:root {
  color-scheme: dark;
  --bg: #050605;
  --panel: #0d100e;
  --panel-strong: #121711;
  --text: #f2f0e8;
  --muted: #a9ada4;
  --soft: #767c73;
  --line: rgba(242, 240, 232, 0.13);
  --line-strong: rgba(242, 240, 232, 0.26);
  --green: #c8f55d;
  --cyan: #5ee4df;
  --amber: #f0bd56;
  --ink: #050605;
  --max: 1120px;
  --header: 76px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

/* Keep browser refresh/history restoration instant during startup.
   This prevents a visible top-to-section sweep before the page settles. */
html.is-restoring-scroll {
  scroll-behavior: auto !important;
}

section[id] {
  scroll-margin-top: calc(var(--header) + 12px);
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    var(--bg);
  background-size: 44px 44px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.site-shell {
  min-height: 100vh;
  overflow: hidden;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header);
  padding: 0 clamp(20px, 5vw, 72px);
  background: rgba(5, 6, 5, 0.72);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px);
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(5, 6, 5, 0.9);
  border-bottom-color: var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  color: var(--text);
  font-weight: 760;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--green);
  font-size: 0.78rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 30px);
  color: var(--muted);
  font-size: 1rem;
  font-weight: 650;
}

.nav-links a {
  position: relative;
  padding: 8px 0;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 1px;
  background: var(--green);
  content: "";
  opacity: 0;
  transform: scaleX(0.3);
  transition: opacity 160ms ease, transform 160ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.section-panel {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  position: relative;
  display: grid;
  min-height: 92svh;
  align-items: end;
  padding: calc(var(--header) + 46px) 0 24px;
}

.hero::before {
  position: absolute;
  inset: var(--header) 0 8%;
  z-index: -2;
  background:
    linear-gradient(115deg, transparent 0%, rgba(200, 245, 93, 0.08) 42%, transparent 43%),
    linear-gradient(120deg, transparent 0%, rgba(94, 228, 223, 0.06) 60%, transparent 61%),
    linear-gradient(180deg, transparent 0%, rgba(5, 6, 5, 0.4) 46%, var(--bg) 100%);
  content: "";
}

.hero::after {
  /* Cover the body's grid through the Hero, then reveal it into About.
     Stay behind the original 3D layers; section coordinates are unchanged. */
  position: absolute;
  top: 0;
  bottom: -160px;
  left: 50%;
  z-index: -3;
  width: 100vw;
  background: linear-gradient(to bottom, var(--bg) calc(100% - 160px), transparent);
  content: "";
  pointer-events: none;
  transform: translateX(-50%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: min(740px, 100%);
}

.hero-media {
  position: absolute;
  top: var(--header);
  left: 50%;
  bottom: 0;
  z-index: -1;
  width: 100vw;
  overflow: hidden;
  /* Embedded time-zero frame is available before external images or WebGL. */
  background: var(--hero-first-frame) center / auto 100% no-repeat;
  opacity: 0.82;
  pointer-events: none;
  transform: translateX(-50%);
}

.hero-media::after {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(90deg, rgba(5, 6, 5, 0.98) 0%, rgba(5, 6, 5, 0.9) 34%, rgba(5, 6, 5, 0.42) 66%, rgba(5, 6, 5, 0.62) 100%),
    linear-gradient(180deg, rgba(5, 6, 5, 0.08) 0%, rgba(5, 6, 5, 0.28) 48%, rgba(5, 6, 5, 0.95) 100%);
  content: "";
}

.hero-media img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  filter: saturate(1.02) contrast(1.06);
  transform: scale(1.025) translate3d(var(--hero-shift-x, 0), var(--hero-shift-y, 0), 0);
  transition: opacity 700ms ease, transform 900ms cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}

.hero-media picture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media .hero-3d-poster {
  left: 50%;
  right: auto;
  width: auto;
  max-width: none;
  filter: none;
  transform: translateX(-50%);
  opacity: 0;
  transition: none;
}

.hero-3d-poster.is-loaded {
  opacity: 1;
}

.hero-animation {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  opacity: 0.92;
  mix-blend-mode: screen;
}

.hero-webgl {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  opacity: 0;
}

.hero-media img,
.hero-animation {
  transition: opacity 350ms ease;
}

.hero-media.has-webgl .hero-webgl {
  opacity: 1;
}

.hero-media.has-poster,
.hero-media.has-webgl {
  background-image: none;
}

/* The captured first frame and live scene use the same compositing. */
.hero .hero-media {
  opacity: 0.96;
}

.hero .hero-media::after {
  background:
    linear-gradient(90deg, rgba(5, 6, 5, 0.98) 0%, rgba(5, 6, 5, 0.86) 34%, rgba(5, 6, 5, 0.22) 68%, rgba(5, 6, 5, 0.18) 100%),
    linear-gradient(180deg, rgba(5, 6, 5, 0.04) 0%, rgba(5, 6, 5, 0.12) 50%, rgba(5, 6, 5, 0.7) 100%);
}

.hero-media.has-webgl .hero-3d-poster {
  opacity: 0;
}

.hero-media.has-webgl .hero-animation {
  opacity: 0;
}

.hero-kicker-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 14px;
}

.hero-kicker-row .eyebrow {
  margin: 0;
}

.receiver-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 6px 9px;
  border: 1px solid rgba(200, 245, 93, 0.2);
  border-radius: 6px;
  background: rgba(5, 6, 5, 0.52);
  color: rgba(242, 240, 232, 0.68);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.68rem;
  line-height: 1.2;
  text-transform: uppercase;
}

.hero-content > .receiver-status {
  display: flex;
  width: fit-content;
  margin: 12px auto 0;
}

.receiver-status span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px rgba(200, 245, 93, 0.75);
  animation: status-pulse 2.6s ease-in-out infinite;
}

.tower path,
.robot path,
.robot circle,
.robot rect,
.mini-satellite path,
.mini-satellite rect,
.directional-beam path,
.signal-arcs path {
  fill: none;
  vector-effect: non-scaling-stroke;
}

.tower path {
  stroke: url("#towerGlow");
  stroke-width: 1.4;
}

.tower .tower-core {
  stroke: rgba(242, 240, 232, 0.22);
  stroke-dasharray: 4 7;
}

.robot .robot-body,
.robot .robot-head {
  fill: rgba(13, 16, 14, 0.92);
  stroke: var(--green);
  stroke-width: 1.5;
}

.robot path,
.robot circle {
  stroke: var(--green);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.robot .robot-eye,
.robot .robot-antenna-tip {
  fill: var(--cyan);
  stroke: none;
  filter: drop-shadow(0 0 5px rgba(94, 228, 223, 0.8));
}

.robot-arm {
  transform-box: fill-box;
  transform-origin: 80% 80%;
  animation: robot-wave 3.4s ease-in-out infinite;
}

.ground-robot {
  cursor: pointer;
  transition: filter 180ms ease;
  outline: none;
}

.robot-hitbox {
  fill: transparent;
  pointer-events: all;
}

.ground-robot:focus-visible,
.ground-robot.is-active {
  filter:
    drop-shadow(0 0 8px rgba(94, 228, 223, 0.65))
    drop-shadow(0 0 18px rgba(200, 245, 93, 0.34));
}

.ground-robot:focus-visible .robot-eye,
.ground-robot:focus-visible .robot-antenna-tip,
.ground-robot.is-active .robot-eye,
.ground-robot.is-active .robot-antenna-tip {
  fill: #f2f0e8;
  filter: drop-shadow(0 0 9px rgba(94, 228, 223, 1));
}

.ground-robot:focus-visible .robot-body,
.ground-robot:focus-visible .robot-head,
.ground-robot.is-active .robot-body,
.ground-robot.is-active .robot-head {
  fill: rgba(26, 36, 28, 0.98);
}

.robot-greeting {
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, filter 180ms ease;
}

.robot-greeting-cloud,
.robot-greeting-tail {
  fill: rgba(242, 240, 232, 0.97);
  stroke: rgba(200, 245, 93, 0.72);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.robot-greeting-mobile {
  display: none;
}

.robot-greeting text {
  fill: var(--ink);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  font-weight: 760;
  letter-spacing: 0;
}

.ground-robot:focus-visible ~ .robot-greeting,
.ground-robot.is-active ~ .robot-greeting {
  opacity: 1;
  filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.3));
}

@media (hover: hover) and (pointer: fine) {
  .ground-robot:hover {
    filter:
      drop-shadow(0 0 8px rgba(94, 228, 223, 0.65))
      drop-shadow(0 0 18px rgba(200, 245, 93, 0.34));
  }

  .ground-robot:hover .robot-eye,
  .ground-robot:hover .robot-antenna-tip {
    fill: #f2f0e8;
    filter: drop-shadow(0 0 9px rgba(94, 228, 223, 1));
  }

  .ground-robot:hover .robot-body,
  .ground-robot:hover .robot-head {
    fill: rgba(26, 36, 28, 0.98);
  }

  .ground-robot:hover ~ .robot-greeting {
    opacity: 1;
    filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.3));
  }
}

.mini-satellite rect {
  fill: rgba(13, 16, 14, 0.9);
  stroke: rgba(200, 245, 93, 0.78);
  stroke-width: 1.2;
}

.mini-satellite path {
  stroke: rgba(94, 228, 223, 0.55);
  stroke-width: 1.1;
}

.directional-beam .beam-guide {
  stroke: rgba(200, 245, 93, 0.22);
  stroke-width: 1.1;
}

.directional-beam,
.signal-arcs {
  opacity: 0;
  transition: opacity 220ms ease;
}

.directional-beam .beam-pulse {
  stroke: var(--green);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 3 117;
}

.directional-beam .pulse-two {
  stroke: var(--cyan);
  animation-delay: -1.6s;
}

.signal-lab[data-mode="uplink"] .directional-beam,
.signal-lab[data-mode="uplink"] .signal-arcs,
.signal-lab[data-mode="downlink"] .directional-beam,
.signal-lab[data-mode="downlink"] .signal-arcs {
  opacity: 1;
}

.signal-lab[data-mode="uplink"] .beam-pulse {
  animation: beam-uplink 3.2s linear infinite;
}

.signal-lab[data-mode="downlink"] .beam-pulse {
  animation: beam-downlink 3.2s linear infinite;
}

.signal-arc {
  stroke: rgba(200, 245, 93, 0.72);
  stroke-width: 1.4;
  stroke-linecap: round;
  transform-box: fill-box;
  transform-origin: center bottom;
  opacity: 0;
  animation: arc-breathe 2.7s ease-out infinite both;
}

.arc-two {
  animation-delay: 0.35s;
}

.arc-three {
  animation-delay: 0.7s;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: none;
  margin-bottom: 24px;
  font-size: clamp(3.8rem, 7vw, 7rem);
  line-height: 0.98;
  letter-spacing: 0;
  white-space: nowrap;
}

.hero-lede {
  max-width: 740px;
  margin-bottom: 28px;
  color: var(--text);
  font-size: clamp(1.06rem, 1.6vw, 1.34rem);
  line-height: 1.46;
}

.hero-lede span {
  display: block;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 740px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 0.94rem;
  font-weight: 760;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover,
.button:focus-visible {
  border-color: rgba(200, 245, 93, 0.78);
  background: rgba(200, 245, 93, 0.1);
  transform: translateY(-1px);
}

.button.primary {
  border-color: transparent;
  background: var(--green);
  color: var(--ink);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: #d8ff76;
  box-shadow: 0 0 24px rgba(200, 245, 93, 0.32);
}

.signal-strip {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 34px;
  border: 1px solid var(--line);
  background: var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.signal-strip span {
  min-height: 56px;
  display: flex;
  align-items: center;
  padding: 14px 16px;
  background: rgba(13, 16, 14, 0.86);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 760;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.intro,
.projects,
.signal-lab,
.research,
.experience,
.contact {
  padding: 82px 0;
  border-top: 1px solid var(--line);
}

.intro {
  padding-top: 42px;
}

.section-heading {
  display: block;
  max-width: 900px;
  margin-bottom: 46px;
}

.section-heading .eyebrow {
  margin-bottom: 18px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.9rem, 3.7vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.intro .section-heading h2 {
  max-width: 820px;
  font-size: clamp(2.25rem, 4.2vw, 3.8rem);
  font-weight: 780;
}

.projects .section-heading h2 {
  max-width: 780px;
  font-size: clamp(2.1rem, 3.5vw, 3.15rem);
}

.signal-lab {
  position: relative;
  padding: 72px 0 86px;
  overflow: clip;
}

.signal-lab::before {
  position: absolute;
  inset: 12% 6% 10%;
  z-index: -1;
  background:
    radial-gradient(circle at 32% 56%, rgba(200, 245, 93, 0.06), transparent 34%),
    radial-gradient(circle at 74% 38%, rgba(94, 228, 223, 0.045), transparent 28%);
  content: "";
}

.signal-lab-heading {
  position: relative;
  z-index: 3;
  max-width: 460px;
  margin-bottom: -54px;
}

.signal-lab-heading .eyebrow {
  margin-bottom: 10px;
}

.signal-lab-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 3.5vw, 3.15rem);
  line-height: 1.05;
}

.signal-lab-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(460px, 0.9fr);
  gap: 20px;
  min-height: 540px;
  align-items: center;
}

.signal-scene {
  position: relative;
  min-width: 0;
}

.signal-scene svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
  filter: drop-shadow(0 24px 40px rgba(0, 0, 0, 0.34));
}

.thought-path {
  fill: none;
  stroke: rgba(242, 240, 232, 0.35);
  stroke-width: 1.25;
  stroke-dasharray: 3 8;
  vector-effect: non-scaling-stroke;
}

.thought-dot {
  fill: rgba(242, 240, 232, 0.16);
  stroke: rgba(200, 245, 93, 0.55);
  stroke-width: 1;
}

.thought-responsive-tablet,
.thought-responsive-mobile {
  display: none;
}

.thought-responsive-path {
  fill: none;
  stroke: rgba(200, 245, 93, 0.48);
  stroke-width: 1.35;
  vector-effect: non-scaling-stroke;
}

.thought-responsive-tablet circle,
.thought-responsive-mobile circle {
  fill: rgba(13, 16, 14, 0.92);
  stroke: rgba(200, 245, 93, 0.78);
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
}

.signal-prompt {
  position: relative;
  z-index: 4;
  display: grid;
  justify-items: center;
  gap: 16px;
  min-width: 0;
}

.signal-prompt::before {
  position: absolute;
  top: 35%;
  right: 100%;
  width: 58px;
  border-top: 2px dotted rgba(242, 240, 232, 0.28);
  content: "";
}

.signal-question {
  position: relative;
  display: grid;
  place-content: center;
  gap: 6px;
  width: min(100%, 330px);
  min-height: 196px;
  padding: 32px;
  border: 1px solid rgba(200, 245, 93, 0.34);
  border-radius: 48% 52% 43% 57% / 54% 45% 55% 46%;
  background: rgba(242, 240, 232, 0.96);
  color: var(--ink);
  cursor: pointer;
  text-align: center;
  box-shadow:
    -24px 18px 0 -13px rgba(242, 240, 232, 0.9),
    22px -18px 0 -12px rgba(242, 240, 232, 0.92),
    0 24px 56px rgba(0, 0, 0, 0.28);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.signal-question:hover,
.signal-question:focus-visible {
  border-color: var(--green);
  transform: translateY(-2px) scale(1.01);
  box-shadow:
    -24px 18px 0 -13px rgba(242, 240, 232, 0.9),
    22px -18px 0 -12px rgba(242, 240, 232, 0.92),
    0 26px 64px rgba(0, 0, 0, 0.34),
    0 0 30px rgba(200, 245, 93, 0.2);
}

.signal-question span {
  font-size: 0.88rem;
  font-weight: 650;
}

.signal-question strong {
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  line-height: 1.12;
}

.signal-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  width: min(100%, 330px);
}

.signal-options[hidden] {
  display: none;
}

.signal-options button {
  min-height: 46px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(13, 16, 14, 0.86);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 760;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.signal-options button:hover,
.signal-options button:focus-visible,
.signal-options button[aria-pressed="true"] {
  border-color: var(--green);
  background: var(--green);
  color: var(--ink);
  box-shadow: 0 0 22px rgba(200, 245, 93, 0.24);
  transform: translateY(-1px);
}

.signal-feedback {
  min-height: 22px;
  margin: 0;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.72rem;
  text-align: center;
  text-transform: uppercase;
}

.signal-result {
  width: min(100%, 500px);
  padding: 18px 14px 15px;
  border: 1px solid rgba(94, 228, 223, 0.28);
  border-radius: 8px;
  background: rgba(13, 16, 14, 0.92);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.24);
  text-align: center;
}

.signal-result[hidden],
.signal-formula[hidden] {
  display: none;
}

.link-equation {
  display: block;
  margin: 0;
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.92rem;
  font-weight: 720;
  line-height: 1.6;
  white-space: nowrap;
}

.link-equation sub {
  color: var(--cyan);
  font-size: 0.68em;
}

.signal-result small {
  display: block;
  margin-top: 10px;
  color: rgba(242, 240, 232, 0.62);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.68rem;
}

.signal-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 112px;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(13, 16, 14, 0.86);
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 760;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease, transform 160ms ease;
}

.signal-close[hidden] {
  display: none;
}

.signal-close span {
  color: var(--green);
  font-size: 1.15rem;
  line-height: 1;
}

.signal-close:hover,
.signal-close:focus-visible {
  border-color: rgba(200, 245, 93, 0.62);
  background: rgba(200, 245, 93, 0.08);
  color: var(--text);
  transform: translateY(-1px);
}

.mission-console {
  --mission-accent: var(--cyan);
  --band-accent: var(--green);
  margin-top: 72px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(9, 12, 10, 0.9);
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.28);
}

.mission-console[data-band="l"] {
  --band-accent: #74e7ff;
}

.mission-console[data-band="ku"] {
  --band-accent: #c8f55d;
}

.mission-console[data-band="ka"] {
  --band-accent: #f0bd56;
}

.mission-console[data-status="strong"] {
  --mission-accent: #9be36a;
}

.mission-console[data-status="acquired"] {
  --mission-accent: #a98bff;
}

.mission-console[data-status="marginal"] {
  --mission-accent: #f0bd56;
}

.mission-console[data-status="lost"] {
  --mission-accent: #e77d72;
}

.mission-console-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(15, 19, 16, 0.94);
}

.mission-console-bar > div {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.mission-console-bar strong {
  color: var(--text);
  font-size: 1rem;
}

.mission-code,
.mission-lock,
.mission-result span,
.mission-metrics dt {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  text-transform: uppercase;
}

.mission-code {
  color: var(--green);
  font-size: 0.7rem;
  font-weight: 800;
}

.mission-lock {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  color: var(--muted);
  font-size: 0.67rem;
  text-transform: uppercase;
}

.mission-lock span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mission-accent);
  box-shadow: 0 0 14px var(--mission-accent);
}

.mission-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(350px, 0.95fr);
}

.mission-briefing {
  grid-row: span 2;
  min-width: 0;
  padding: 34px;
  border-right: 1px solid var(--line);
}

.mission-briefing .eyebrow {
  margin-bottom: 10px;
}

.mission-briefing h3 {
  max-width: 14ch;
  margin: 0 0 14px;
  font-size: clamp(1.7rem, 3vw, 2.7rem);
  line-height: 1.05;
}

.mission-briefing > p:not(.eyebrow) {
  max-width: 58ch;
  color: var(--muted);
}

.mission-visual {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 11;
  margin-top: 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #020405 url("assets/mission-ground-station-v2.png") center / cover no-repeat;
}

.mission-briefing > .mission-technical-note {
  max-width: 64ch;
  margin: 10px 0 0;
  color: rgba(169, 177, 171, 0.72);
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 0.68rem;
  line-height: 1.55;
}

.mission-controls {
  display: grid;
  gap: 22px;
  align-content: start;
  padding: 30px;
}

.mission-controls fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.mission-controls legend,
.power-control > span {
  display: block;
  margin-bottom: 9px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.mission-segments {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  overflow: hidden;
}

.mission-segments-two {
  grid-template-columns: repeat(2, 1fr);
}

.mission-segments label {
  position: relative;
  min-width: 0;
  border-right: 1px solid var(--line-strong);
  cursor: pointer;
}

.mission-segments label:last-child {
  border-right: 0;
}

.mission-segments input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.mission-segments span {
  display: grid;
  min-height: 44px;
  place-items: center;
  padding: 0 8px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  transition: background 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.mission-segments input:checked + span {
  background: rgba(200, 245, 93, 0.12);
  color: var(--green);
  box-shadow: inset 0 -2px 0 var(--green);
}

.band-selector input:checked + span {
  color: var(--band-accent);
  box-shadow: inset 0 -2px 0 var(--band-accent);
}

.mission-console[data-band="l"] .band-selector input:checked + span {
  background: rgba(116, 231, 255, 0.13);
}

.mission-console[data-band="ku"] .band-selector input:checked + span {
  background: rgba(200, 245, 93, 0.13);
}

.mission-console[data-band="ka"] .band-selector input:checked + span {
  background: rgba(240, 189, 86, 0.13);
}

.band-note {
  min-height: 2.6em;
  margin: 10px 0 0;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.64rem;
  line-height: 1.4;
}

.mission-segments input:focus-visible + span {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.power-control {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px 18px;
}

.power-control > span {
  margin: 0;
}

.power-control output {
  color: var(--green);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.76rem;
}

.power-control input {
  grid-column: 1 / -1;
  width: 100%;
  accent-color: var(--green);
}

.mission-actions {
  display: grid;
  gap: 10px;
}

.mission-run,
.mission-reset {
  width: 100%;
}

.mission-reset {
  border-color: var(--line-strong);
  background: rgba(7, 11, 9, 0.76);
  color: var(--muted);
}

.mission-reset:hover,
.mission-reset:focus-visible {
  border-color: rgba(200, 245, 93, 0.58);
  color: var(--green);
  background: rgba(200, 245, 93, 0.07);
}

.mission-result {
  padding: 26px 30px 30px;
  border-top: 1px solid var(--line);
  background: rgba(4, 7, 5, 0.7);
}

.mission-verdict {
  padding-left: 14px;
  border-left: 2px solid var(--mission-accent);
}

.mission-verdict span {
  color: var(--mission-accent);
  font-size: 0.65rem;
}

.mission-verdict strong {
  display: block;
  margin: 5px 0 6px;
  font-size: 1.35rem;
}

.mission-verdict p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.mission-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 24px 0 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.mission-metrics div {
  min-width: 0;
  padding: 13px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.mission-metrics dt {
  color: var(--muted);
  font-size: 0.59rem;
}

.mission-metrics dd {
  margin: 5px 0 0;
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.86rem;
}

.mission-model-note {
  margin: 14px 0 0;
  color: rgba(232, 238, 234, 0.58);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.66rem;
  line-height: 1.6;
}

.research-heading h2 {
  max-width: 760px;
  color: rgba(242, 240, 232, 0.88);
  font-size: clamp(1.8rem, 2.8vw, 2.6rem);
  font-weight: 620;
  line-height: 1.18;
}

.experience .section-heading h2 {
  max-width: 670px;
  font-size: clamp(1.75rem, 2.5vw, 2.35rem);
  font-weight: 650;
  line-height: 1.2;
}

.contact-heading h2 {
  font-size: clamp(2rem, 3.2vw, 3rem);
}

.section-subtitle {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.55;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(310px, 0.62fr);
  gap: 42px;
}

.intro-copy {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.08rem;
}

.intro-copy p + p {
  margin-top: 20px;
}

.facts {
  display: grid;
  gap: 1px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--line);
}

.facts div {
  padding: 18px;
  background: rgba(13, 16, 14, 0.88);
}

.facts dt {
  margin-bottom: 5px;
  color: var(--soft);
  font-size: 0.76rem;
  font-weight: 790;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.facts dd {
  margin: 0;
  color: var(--text);
  font-weight: 660;
}

.project-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: start;
}

.project-card {
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(0, 1.08fr);
  min-width: 0;
  min-height: 420px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(13, 16, 14, 0.72);
  overflow: hidden;
}

.project-featured {
  grid-column: auto;
}

.project-code,
.project-chess {
  min-height: 420px;
  margin-top: 0;
}

.project-image {
  position: relative;
  min-height: 260px;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #11140f;
}

.project-image::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 50%, rgba(5, 6, 5, 0.72)),
    linear-gradient(90deg, rgba(5, 6, 5, 0.18), transparent 45%);
  content: "";
}

.project-image img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
  transition: transform 260ms ease, filter 260ms ease;
}

.project-card .project-image {
  min-height: 420px;
  aspect-ratio: auto;
}

.project-card .project-image img {
  min-height: 420px;
}

.project-image.diagram {
  background: #e7e8e4;
}

.project-image.diagram img {
  padding: 10px;
  object-fit: contain;
}

.project-card:hover .project-image img {
  filter: saturate(1) contrast(1.08);
  transform: scale(1.025);
}

.project-image.chess img {
  object-fit: contain;
  object-position: center top;
}

.project-image.chess::after {
  background: linear-gradient(180deg, transparent 80%, rgba(5, 6, 5, 0.12));
}

.project-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: flex-start;
  padding: clamp(24px, 4vw, 44px);
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-meta span + span::before {
  margin-right: 8px;
  color: var(--soft);
  content: "/";
}

.project-body h3 {
  margin-bottom: 16px;
  font-size: clamp(1.5rem, 2.6vw, 2.55rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.project-card .project-body {
  justify-content: center;
}

.project-featured .project-body h3 {
  font-size: clamp(1.8rem, 3vw, 2.65rem);
}

.project-code .project-body h3,
.project-chess .project-body h3 {
  font-size: clamp(1.45rem, 2.2vw, 2rem);
}

.project-body p {
  max-width: 640px;
  color: var(--muted);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 24px;
}

.tag-row span {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 720;
}

.text-link {
  width: fit-content;
  color: var(--green);
  font-weight: 800;
  border-bottom: 1px solid rgba(200, 245, 93, 0.42);
}

.research-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.research-copy {
  color: var(--muted);
  font-size: 1.08rem;
}

.research-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--line);
}

.research-map div {
  min-height: 260px;
  padding: 24px;
  background: rgba(13, 16, 14, 0.9);
}

.research-map span {
  display: block;
  margin-bottom: 42px;
  color: var(--amber);
  font-size: 0.8rem;
  font-weight: 820;
}

.research-map strong {
  display: block;
  margin-bottom: 12px;
  font-size: 1.25rem;
  line-height: 1.12;
}

.research-map p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.timeline {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 0;
  border-top: 1px solid var(--line-strong);
}

.timeline article {
  position: relative;
  padding: 30px clamp(24px, 4vw, 54px) 8px 28px;
  border-left: 1px solid var(--line);
}

.timeline article::before {
  position: absolute;
  top: -5px;
  left: -5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 16px rgba(200, 245, 93, 0.52);
  content: "";
}

.timeline span {
  display: block;
  margin-bottom: 16px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.timeline h3 {
  margin-bottom: 12px;
  font-size: 1.45rem;
  line-height: 1.15;
}

.timeline p {
  margin: 0;
  color: var(--muted);
}

.contact {
  padding-bottom: 64px;
}

.contact-heading {
  margin-bottom: 38px;
}

.contact-heading .section-subtitle {
  max-width: none;
  white-space: nowrap;
}

.contact-board {
  --contact-accent: #8aa7e8;
  --contact-accent-soft: rgba(80, 112, 180, 0.16);
  --contact-image: url("assets/contact-research-collaboration.webp");
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  min-height: 410px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(5, 6, 5, 0.72);
}

.contact-board[data-active="github"] {
  --contact-accent: #c8f55d;
  --contact-accent-soft: rgba(200, 245, 93, 0.12);
  --contact-image: url("assets/contact-signal-network.webp");
}

.contact-board[data-active="gmail"] {
  --contact-accent: #e4bd7c;
  --contact-accent-soft: rgba(228, 189, 124, 0.13);
  --contact-image: url("assets/contact-gmail-alireza.png");
}

.contact-preview {
  position: relative;
  min-height: 410px;
  isolation: isolate;
  overflow: hidden;
  background-color: #050605;
  background-image:
    linear-gradient(135deg, var(--contact-accent-soft), transparent 50%),
    var(--contact-image);
  background-position: center, center;
  background-repeat: no-repeat;
  background-size: cover, contain;
  transition: background-image 180ms ease;
}

.contact-preview::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 24% 20%, var(--contact-accent-soft), transparent 38%),
    linear-gradient(160deg, rgba(5, 6, 5, 0.12), rgba(5, 6, 5, 0.92) 82%);
  content: "";
}

.contact-preview::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.16) 1px, transparent 1px),
    linear-gradient(180deg, transparent 45%, rgba(5, 6, 5, 0.88));
  background-size: 16px 16px, 16px 16px, auto;
  opacity: 0.38;
  content: "";
}

.contact-preview-content {
  position: absolute;
  right: 24px;
  bottom: 24px;
  left: 24px;
  display: grid;
  gap: 8px;
}

.contact-preview-content span {
  color: var(--contact-accent);
  font-size: clamp(2.8rem, 8vw, 5.2rem);
  font-weight: 830;
  line-height: 0.9;
  letter-spacing: 0;
  text-shadow: 0 12px 34px rgba(0, 0, 0, 0.45);
}

.contact-preview-content strong {
  color: var(--text);
  font-size: clamp(1.7rem, 3.5vw, 2.45rem);
  line-height: 1;
}

.contact-preview-content p {
  max-width: 28ch;
  margin: 0;
  color: rgba(242, 240, 232, 0.78);
  font-size: 0.96rem;
}

.contact-menu {
  display: grid;
  grid-template-rows: repeat(3, 1fr);
}

.contact-card {
  --brand: var(--green);
  --brand-soft: rgba(200, 245, 93, 0.07);
  position: relative;
  display: grid;
  place-items: center;
  min-height: 136px;
  overflow: hidden;
  border-bottom: 1px solid var(--line-strong);
  color: var(--text);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 830;
  line-height: 1;
  letter-spacing: 0;
  text-transform: uppercase;
  background: rgba(13, 16, 14, 0.72);
  transition: color 190ms ease, background 190ms ease;
}

.contact-card[data-channel="linkedin"] {
  --brand: #88aaf2;
  --brand-soft: rgba(86, 126, 213, 0.1);
}

.contact-card[data-channel="github"] {
  --brand: #c8f55d;
  --brand-soft: rgba(200, 245, 93, 0.07);
}

.contact-card[data-channel="gmail"] {
  --brand: #e4bd7c;
  --brand-soft: rgba(228, 189, 124, 0.08);
}

.contact-card:last-child {
  border-bottom: 0;
}

.contact-card::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(90deg, var(--brand-soft), transparent 76%);
  opacity: 0;
  transform: translateX(-24%);
  transition: opacity 220ms ease, transform 260ms ease;
  content: "";
}

.contact-card::after {
  position: absolute;
  inset: 26% auto 26% 0;
  z-index: 1;
  width: 3px;
  background: var(--brand);
  opacity: 0;
  transform: scaleY(0.3);
  transform-origin: center;
  transition: opacity 180ms ease, transform 220ms ease;
  content: "";
}

.contact-card span {
  position: relative;
  z-index: 1;
}

.contact-card:focus-visible,
.contact-card.is-active {
  color: var(--text);
  background: rgba(17, 21, 18, 0.92);
}

.contact-card:focus-visible::before,
.contact-card.is-active::before {
  opacity: 1;
  transform: translateX(0);
}

.contact-card:focus-visible::after,
.contact-card.is-active::after {
  opacity: 0.9;
  transform: scaleY(1);
}

@media (hover: hover) and (pointer: fine) {
  .contact-card:hover {
    color: var(--text);
    background: rgba(17, 21, 18, 0.92);
  }

  .contact-card:hover::before {
    opacity: 1;
    transform: translateX(0);
  }

  .contact-card:hover::after {
    opacity: 0.9;
    transform: scaleY(1);
  }
}

@keyframes status-pulse {
  0%, 100% { opacity: 0.55; transform: scale(0.82); }
  50% { opacity: 1; transform: scale(1); }
}

@keyframes robot-wave {
  0%, 24%, 100% { transform: rotate(0deg); }
  34% { transform: rotate(-12deg); }
  44% { transform: rotate(7deg); }
  54% { transform: rotate(-9deg); }
  64% { transform: rotate(0deg); }
}

@keyframes beam-uplink {
  to { stroke-dashoffset: -120; }
}

@keyframes beam-downlink {
  to { stroke-dashoffset: 120; }
}

@keyframes arc-breathe {
  0% { opacity: 0; transform: scale(0.72); }
  32% { opacity: 0.9; }
  100% { opacity: 0; transform: scale(1.12); }
}

@media (min-width: 1100px) {

  /* M.Sc. Student / Tampere University */
  .hero-kicker-row {
    transform: translate(0px, -70px);
  }

  /* Alireza Ramyad */
  .hero h1 {
    font-size: clamp(3.8rem, 6.1vw, 6rem);
    transform: translate(-5px, -70px);
  }

  /* Download CV */
  .hero-actions {
    transform: translate(-33px, -65px);
  }

  /* Signal acquired / 4 satellites / PDOP 1.2 */
  .hero-content > .receiver-status {
    transform: translate(-33px, -65px);
    margin-top: 12px;
  }
}

@media (max-width: 880px) {
  .site-header {
    padding-inline: 20px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    inset: var(--header) 12px auto 12px;
    display: grid;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(13, 16, 14, 0.96);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .nav-links.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links a {
    min-height: 46px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--line);
  }

  .nav-links a:last-child {
    border-bottom: 0;
  }

  .section-heading,
  .intro-grid,
  .research-layout,
  .contact-board,
  .timeline,
  .signal-lab-stage {
    grid-template-columns: 1fr;
  }

  .hero {
    --signal-strip-space: 149px;
    min-height: 88svh;
    padding-bottom: 28px;
  }

  .hero-media {
    top: var(--header);
    left: 50%;
    right: auto;
    bottom: 0;
    width: 100vw;
    opacity: 0.78;
    transform: translateX(-50%);
  }

  .hero-media img {
    object-position: 62% center;
  }

  .hero-content {
    max-width: 620px;
  }

  .signal-lab-heading {
    margin-bottom: 10px;
  }

  .signal-lab-stage {
    gap: 0;
  }

  .signal-scene {
    width: min(100%, 620px);
    margin: 0 auto;
  }

  .signal-prompt {
    margin-top: -26px;
  }

  .signal-prompt::before {
    display: none;
  }

  .thought-path,
  .thought-dot {
    display: none;
  }

  .thought-responsive-tablet {
    display: block;
  }

  .signal-feedback {
    width: 100%;
    max-width: none;
    white-space: nowrap;
  }

  .research-map {
    grid-template-columns: 1fr 1fr;
  }

  .research-map div:last-child {
    grid-column: 1 / -1;
  }

  .contact-board {
    min-height: 0;
  }

  .contact-heading .section-subtitle {
    white-space: normal;
  }

  .contact-preview {
    min-height: 280px;
  }

  .contact-menu {
    grid-template-rows: repeat(3, minmax(94px, auto));
  }

  .contact-card {
    min-height: 94px;
  }

  .project-list {
    grid-template-columns: 1fr;
  }

  .project-featured {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .project-card {
    grid-template-columns: 1fr;
  }

  .project-code,
  .project-chess {
    min-height: 0;
    margin-top: 0;
  }

  .project-image,
  .project-image img {
    min-height: 250px;
  }

  .project-featured .project-image,
  .project-featured .project-image img {
    min-height: 300px;
  }

  .timeline article {
    padding-right: 8px;
    padding-bottom: 28px;
  }

  .mission-grid {
    grid-template-columns: 1fr;
  }

  .mission-briefing {
    grid-row: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

/* One shared strip for wider phones and tablets, in either orientation. */
@media (min-width: 700px) and (max-width: 1099px) {
  .signal-strip {
    grid-template-columns: 1.3fr 0.75fr 1fr 1fr;
    margin-right: 172px;
    /* Keep the original row footprint, so the Hero copy does not move. */
    margin-top: calc(var(--signal-strip-space, 106px) - 44px);
  }

  .signal-strip span {
    min-height: 42px;
    padding: 6px 10px;
    font-size: 0.7rem;
    line-height: 1.3;
  }
}

@media (min-width: 700px) and (max-width: 880px) and (orientation: portrait) {
  .hero-actions { translate: -10px 0; }
  .hero-content > .receiver-status { translate: -10px 0; }
}

@media (min-width: 881px) and (max-width: 1099px) and (orientation: landscape) {
  .hero-actions { translate: -40px 0; }
  .hero-content > .receiver-status { translate: -40px 0; }
}

@media (max-width: 699px) {
  .signal-strip {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 561px) and (max-width: 880px) {
  /* M.Sc. Student / Tampere University */
.hero-kicker-row {
  transform: translate(18px, -75px);
}

/* Alireza Ramyad */
.hero h1 {
  transform: translate(10px, -75px);
}

/* Download CV */
.hero-actions {
  transform: translate(-100px, -70px);
}

/* Signal acquired */
.hero-content > .receiver-status {
  transform: translate(-100px, -63px);
  margin-top: 6px;
}

  .contact-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-height: 0;
  }

  .contact-preview {
    min-height: 0;
    aspect-ratio: 4 / 3;
  }

  .contact-menu {
    grid-template-rows: repeat(3, minmax(0, 1fr));
  }

  .contact-card {
    min-height: 0;
  }

  .signal-scene .tower,
  .signal-scene .signal-arcs {
    transform: translate(-22px, -16px);
  }

  .signal-scene .directional-beam path {
    d: path("M192 194 C252 140 330 94 418 69");
  }
}

/* Short landscape screens need room below the fixed header and above the strip. */
@media (min-width: 700px) and (max-width: 1099px) and (max-height: 600px) and (orientation: landscape) {
  .hero {
    --signal-strip-space: 68px;
    min-height: max(412px, 100svh);
    grid-template-rows: 1fr auto;
  }

  .hero-content { align-self: start; max-width: 620px; }
  .hero-kicker-row { transform: translate(18px, -22px); }
  .hero h1 { font-size: 3.8rem; transform: translate(10px, -22px); }
  .hero-actions { transform: translate(-100px, -17px); translate: none; }
  .hero-content > .receiver-status {
    transform: translate(-100px, -10px);
    translate: none;
    margin-top: 6px;
  }
}

@media (max-width: 560px) {
  .section-panel {
    width: min(100% - 28px, var(--max));
  }

  .brand span:last-child {
    display: none;
  }

  .hero {
    min-height: 720px;
    padding-top: calc(var(--header) + 30px);
    padding-bottom: 22px;
  }

  .hero-content {
    max-width: 100%;
    transform: translateY(-100px);
  }

  .hero-media {
    opacity: 0.86;
  }

  .hero-media::after {
    background:
      linear-gradient(90deg, rgba(5, 6, 5, 0.96) 0%, rgba(5, 6, 5, 0.75) 48%, rgba(5, 6, 5, 0.2) 82%, rgba(5, 6, 5, 0.42) 100%),
      linear-gradient(180deg, rgba(5, 6, 5, 0.08) 0%, rgba(5, 6, 5, 0.22) 54%, rgba(5, 6, 5, 0.9) 100%);
  }

  .hero-media img {
    object-position: 68% center;
  }

  .hero-kicker-row {
    display: grid;
    justify-items: start;
    gap: 9px;
    margin-bottom: 16px;
    transform: translate(25px, -35px);
  }

  .receiver-status {
    max-width: 100%;
    gap: 4px;
    padding: 4px 5px;
    font-size: 0.4rem;
  }

  .hero-content > .receiver-status {
    align-self: flex-start;
    margin: 6px 0 0;
    transform: translate(20px, -15px);
  }

  h1 {
    max-width: none;
    margin-bottom: 16px;
    font-size: clamp(2.2rem, 10.2vw, 2.75rem);
    line-height: 1;
    white-space: nowrap;
    transform: translate(20px, -35px);
  }

  .hero-lede {
    max-width: 29ch;
    font-size: 0.96rem;
    line-height: 1.48;
  }

  .hero-actions {
    display: flex;
    width: 100%;
    max-width: 29ch;
    justify-content: flex-start;
    margin-top: 8px;
    transform: translate(50px, -30px);
  }

  .hero-actions .button.primary {
    width: auto;
    min-width: 96px;
    min-height: 34px;
    padding: 6px 8px;
    font-size: 0.64rem;
  }

  .mission-model-note {
    white-space: nowrap;
    font-size: 0.38rem;
    line-height: 1.3;
    letter-spacing: 0;
  }

  .research-map {
    grid-template-columns: 1fr;
  }

  .signal-strip {
    grid-template-columns: 1fr 1fr;
    margin-top: 20px;
  }

  .signal-strip span {
    min-height: 42px;
    padding: 8px 10px;
    font-size: 0.68rem;
    line-height: 1.25;
  }

  .intro,
  .projects,
  .signal-lab,
  .research,
  .experience,
  .contact {
    padding: 72px 0;
  }

  .intro {
    padding-top: 36px;
  }

  .signal-lab {
    padding-top: 58px;
    padding-bottom: 68px;
  }

  .signal-lab-heading h2 {
    font-size: clamp(1.9rem, 9vw, 2.5rem);
  }

  .signal-lab-stage {
    min-height: 0;
  }

  .signal-scene {
    margin-top: -8px;
  }

  .signal-prompt {
    margin-top: 14px;
  }

  .robot-greeting text {
    font-size: 18px;
  }

  .robot-greeting-desktop {
    display: none;
  }

  .robot-greeting-mobile {
    display: inline;
  }

  .thought-responsive-tablet {
    display: none;
  }

  .thought-responsive-mobile {
    display: block;
  }

  .signal-question {
    width: min(100%, 286px);
    min-height: 164px;
    padding: 26px 28px;
  }

  .signal-options {
    width: min(100%, 286px);
  }

  .signal-feedback {
    max-width: none;
    font-size: 0.62rem;
    line-height: 1.45;
    white-space: nowrap;
  }

  .signal-result {
    padding: 16px 8px 13px;
  }

  .link-equation {
    font-size: 0.82rem;
    line-height: 1.55;
  }

  .section-heading {
    gap: 12px;
    margin-bottom: 30px;
  }

  .section-heading h2 {
    font-size: clamp(1.72rem, 8.4vw, 2.4rem);
    line-height: 1.12;
  }

  .intro .section-heading h2 {
    font-size: clamp(2rem, 9.2vw, 2.7rem);
  }

  .research-heading h2,
  .experience .section-heading h2 {
    font-size: clamp(1.62rem, 7.4vw, 2rem);
  }

  .contact-heading {
    margin-bottom: 28px;
  }

  .contact-preview {
    min-height: 230px;
    background-position: center, center;
  }

  .contact-board[data-active="gmail"] .contact-preview {
    background-size: cover, cover;
    background-position: center, 68% center;
  }

  .contact-preview-content {
    right: 18px;
    bottom: 18px;
    left: 18px;
  }

  .contact-card {
    min-height: 82px;
    font-size: clamp(1.35rem, 7.5vw, 1.9rem);
  }

  .project-image,
  .project-image img,
  .project-featured .project-image,
  .project-featured .project-image img {
    min-height: 210px;
  }

  .project-card .project-image.chess,
  .project-card .project-image.chess img {
    height: 210px;
    min-height: 210px;
  }

  .project-body {
    padding: 22px;
  }

  .project-meta {
    display: grid;
    gap: 3px;
  }

  .project-meta span + span::before {
    content: "";
    margin: 0;
  }

  .mission-console {
    margin-top: 48px;
  }

  .mission-console-bar {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding: 15px 17px;
  }

  .mission-briefing,
  .mission-controls,
  .mission-result {
    padding: 22px 18px;
  }

  .mission-briefing h3 {
    font-size: 1.85rem;
  }

  .mission-visual {
    width: calc(100% + 36px);
    margin-left: -18px;
  }

  .mission-segments span {
    min-height: 42px;
    font-size: 0.72rem;
  }

  .mission-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .mission-metrics div {
    padding: 11px 9px;
  }

  .mission-metrics dd {
    font-size: 0.76rem;
  }
}

/* AR Ground Station identity */
.brand {
  position: relative;
}

.brand-copy {
  display: grid;
  gap: 3px;
  line-height: 1;
}

.brand-copy strong {
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 790;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.brand-copy small {
  color: var(--soft);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.58rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-mark {
  position: relative;
  overflow: hidden;
}

.brand-mark::before,
.project-card::before,
.contact-board::before,
.nav-channel-copy::before {
  position: absolute;
  z-index: 8;
  width: 12px;
  height: 12px;
  border-top: 1px solid var(--cyan);
  border-right: 1px solid var(--cyan);
  content: "";
  pointer-events: none;
}

.brand-mark::after,
.project-card::after,
.contact-board::after,
.nav-channel-copy::after {
  position: absolute;
  z-index: 8;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: -6px 0 0 rgba(94, 228, 223, 0.88);
  content: "";
  pointer-events: none;
}

.brand-mark::before {
  top: 4px;
  right: 4px;
}

.brand-mark::after {
  right: 5px;
  bottom: 5px;
}

.section-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  margin: 0 0 0 auto;
  padding: 6px 9px;
  border: 1px solid rgba(94, 228, 223, 0.18);
  border-radius: 6px;
  background: rgba(5, 6, 5, 0.62);
  color: rgba(242, 240, 232, 0.68);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.64rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.section-status-led {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(94, 228, 223, 0.72);
}

.section-status-compact {
  display: none;
}

.nav-console-title,
.nav-channel-code,
.nav-channel-copy,
.nav-channel-dot {
  position: relative;
  z-index: 1;
}

.nav-links a::after {
  display: none;
}

.project-card,
.contact-board {
  position: relative;
}

.project-card::before,
.contact-board::before {
  top: 10px;
  right: 10px;
}

.project-card::after,
.contact-board::after {
  top: 25px;
  right: 11px;
}

.project-system-id {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  width: fit-content;
  margin: 0 0 10px;
  color: rgba(242, 240, 232, 0.58);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.67rem;
  font-weight: 720;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
}

.project-body > .project-system-id {
  color: rgba(242, 240, 232, 0.58);
}

.project-system-id span {
  color: var(--cyan);
}

.contact-preview-content span {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  letter-spacing: 0.045em;
}

.contact-card {
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  padding: 18px;
  text-align: center;
}

.contact-card .contact-channel-title {
  font-size: clamp(1.35rem, 2.7vw, 2.2rem);
  line-height: 0.98;
}

.contact-card small {
  position: relative;
  z-index: 1;
  color: var(--soft);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.66rem;
  font-weight: 720;
  letter-spacing: 0.09em;
}

.contact-card.is-active small,
.contact-card:focus-visible small {
  color: var(--brand);
}

.brand:focus-visible,
.menu-toggle:focus-visible,
.nav-links a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.contact-card:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: -4px;
}

.menu-toggle span {
  transition: transform 180ms ease;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

@keyframes channel-acquire {
  0% {
    opacity: 0.8;
    transform: scale(0.5);
  }
  70% {
    opacity: 0.28;
    transform: scale(2.6);
  }
  100% {
    opacity: 0;
    transform: scale(3);
  }
}

@media (min-width: 1400px) {
  .nav-links {
    position: fixed;
    top: 50vh;
    right: 8px;
    bottom: auto;
    left: auto;
    z-index: 22;
    display: grid;
    width: 42px;
    gap: 6px;
    padding: 16px 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(-50%);
  }

  .nav-links::before {
    position: absolute;
    top: 34px;
    right: 5px;
    bottom: 34px;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--line-strong) 12%, var(--line-strong) 88%, transparent);
    content: "";
    pointer-events: none;
  }

  .nav-console-title {
    display: none;
  }

  .nav-links a {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 42px;
    min-height: 42px;
    padding: 4px 0;
    border: 0;
    color: var(--soft);
  }

  .nav-channel-code {
    width: 23px;
    color: inherit;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.58rem;
    font-weight: 720;
    letter-spacing: 0.02em;
    text-align: right;
  }

  .nav-channel-dot {
    width: 11px;
    height: 11px;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    background: var(--bg);
    transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
  }

  .nav-channel-dot::after {
    position: absolute;
    inset: -1px;
    border: 1px solid var(--green);
    border-radius: inherit;
    content: "";
    opacity: 0;
    pointer-events: none;
  }

  .nav-channel-copy {
    position: absolute;
    top: 50%;
    right: 44px;
    display: grid;
    width: 92px;
    gap: 3px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: rgba(13, 16, 14, 0.96);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
    opacity: 0;
    pointer-events: none;
    text-align: right;
    transform: translate(7px, -50%);
    transition: opacity 160ms ease, transform 180ms ease;
  }

  .nav-channel-copy::before {
    top: 4px;
    right: 4px;
    width: 8px;
    height: 8px;
  }

  .nav-channel-copy::after {
    right: 5px;
    bottom: 5px;
  }

  .nav-channel-copy strong {
    color: var(--text);
    font-size: 0.69rem;
    font-weight: 760;
    line-height: 1;
    text-transform: uppercase;
  }

  .nav-channel-copy small {
    color: var(--soft);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.54rem;
    line-height: 1;
    text-transform: uppercase;
  }

  .nav-links a:hover .nav-channel-copy,
  .nav-links a:focus-visible .nav-channel-copy {
    opacity: 1;
    transform: translate(0, -50%);
  }

  .nav-links a:hover .nav-channel-code,
  .nav-links a:focus-visible .nav-channel-code,
  .nav-links a[aria-current="location"] .nav-channel-code {
    color: var(--green);
  }

  .nav-links a:hover .nav-channel-dot,
  .nav-links a:focus-visible .nav-channel-dot,
  .nav-links a[aria-current="location"] .nav-channel-dot {
    border-color: var(--green);
    background: var(--green);
    box-shadow: 0 0 14px rgba(200, 245, 93, 0.58);
  }

  .nav-links a.is-acquiring .nav-channel-dot::after {
    animation: channel-acquire 600ms ease-out 1;
  }
}

@media (max-width: 1399px) {
  .site-header {
    gap: 12px;
    padding-inline: 20px;
  }

  .menu-toggle {
    display: block;
    flex: 0 0 auto;
  }

  .nav-links {
    position: fixed;
    top: calc(var(--header) + 12px);
    right: 12px;
    bottom: auto;
    left: auto;
    z-index: 24;
    display: grid;
    width: min(420px, calc(100vw - 24px));
    max-height: calc(100svh - var(--header) - 24px);
    gap: 0;
    padding: 10px;
    overflow-y: auto;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    background: rgba(13, 16, 14, 0.98);
    box-shadow: 0 22px 70px rgba(0, 0, 0, 0.42);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .nav-links::before {
    display: none;
  }

  .nav-links.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-console-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 0;
    padding: 10px 12px 14px;
    border-bottom: 1px solid var(--line);
    color: var(--text);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    line-height: 1;
    text-transform: uppercase;
  }

  .nav-console-title strong {
    font-size: 0.7rem;
    letter-spacing: 0.05em;
  }

  .nav-console-title span {
    color: var(--cyan);
    font-size: 0.58rem;
    letter-spacing: 0.08em;
  }

  .nav-links a {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr) 12px;
    gap: 12px;
    align-items: center;
    min-height: 58px;
    padding: 9px 12px;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
  }

  .nav-links a:last-child {
    border-bottom: 0;
  }

  .nav-links a:hover,
  .nav-links a:focus-visible,
  .nav-links a[aria-current="location"] {
    color: var(--text);
    background: rgba(200, 245, 93, 0.055);
  }

  .nav-channel-code {
    color: var(--green);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.64rem;
    font-weight: 760;
    letter-spacing: 0.04em;
  }

  .nav-channel-code::before {
    color: var(--soft);
    content: "CH-";
  }

  .nav-channel-copy {
    position: static;
    display: grid;
    width: auto;
    gap: 4px;
    padding: 0;
    border: 0;
    background: transparent;
    opacity: 1;
    pointer-events: auto;
    text-align: left;
    transform: none;
  }

  .nav-channel-copy::before,
  .nav-channel-copy::after {
    display: none;
  }

  .nav-channel-copy strong {
    color: inherit;
    font-size: 0.82rem;
    font-weight: 750;
    line-height: 1;
    text-transform: uppercase;
  }

  .nav-channel-copy small {
    color: var(--soft);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.58rem;
    letter-spacing: 0.07em;
    line-height: 1;
    text-transform: uppercase;
  }

  .nav-channel-dot {
    width: 9px;
    height: 9px;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    background: transparent;
  }

  .nav-links a[aria-current="location"] .nav-channel-dot {
    border-color: var(--green);
    background: var(--green);
    box-shadow: 0 0 12px rgba(200, 245, 93, 0.54);
  }
}

@media (max-width: 560px) {
  .site-header {
    gap: 8px;
    padding-inline: 14px;
  }

  .brand {
    gap: 8px;
  }

  .brand span.brand-copy:last-child {
    display: grid;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
  }

  .brand-copy strong {
    font-size: 0.67rem;
    letter-spacing: 0.035em;
  }

  .brand-copy small {
    display: block;
    font-size: 0.47rem;
    letter-spacing: 0.075em;
  }

  .section-status {
    gap: 6px;
    margin-left: auto;
    padding: 5px 7px;
    font-size: 0.58rem;
  }

  .section-status-led {
    width: 5px;
    height: 5px;
  }

  .section-status-full {
    display: none;
  }

  .section-status-compact {
    display: inline;
  }

  .menu-toggle {
    width: 40px;
    height: 40px;
  }

  .nav-links {
    top: calc(var(--header) + 8px);
    right: 12px;
    width: calc(100vw - 24px);
  }

  .nav-console-title {
    padding-inline: 10px;
  }

  .nav-links a {
    grid-template-columns: 44px minmax(0, 1fr) 10px;
    gap: 9px;
    min-height: 54px;
    padding-inline: 10px;
  }

  .project-system-id {
    margin-bottom: 9px;
    font-size: 0.67rem;
  }

  .project-card::before,
  .contact-board::before {
    top: 8px;
    right: 8px;
    width: 10px;
    height: 10px;
  }

  .project-card::after,
  .contact-board::after {
    top: 21px;
    right: 9px;
  }

  .contact-card .contact-channel-title {
    font-size: clamp(1.25rem, 6.5vw, 1.75rem);
  }

  .contact-card small {
    color: var(--muted);
    font-size: 0.72rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* Selected Technical Reports */
.reports {
  padding: 90px 0;
  border-top: 1px solid var(--line);
}

.reports .section-heading {
  margin-bottom: 30px;
}

.report-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.report-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(13, 16, 14, 0.76);
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.report-card:hover {
  transform: translateY(-3px);
  border-color: rgba(200, 245, 93, 0.36);
  background: rgba(15, 19, 16, 0.92);
}

.report-visual {
  position: relative;
  display: block;
  min-height: 210px;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #e8e9e5;
  border-bottom: 1px solid var(--line);
}

.report-visual::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 56%, rgba(5, 7, 5, 0.46));
  pointer-events: none;
}

.report-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  filter: saturate(0.78) contrast(1.04);
  transition: transform 220ms ease, filter 220ms ease;
}

.report-card:hover .report-visual img {
  transform: scale(1.018);
  filter: saturate(0.92) contrast(1.06);
}

.report-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 24px;
}

.report-id {
  margin: 0 0 14px;
  color: var(--soft);
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.report-id span {
  color: var(--green);
}

.report-body h3 {
  margin: 0 0 8px;
  font-size: clamp(1.3rem, 1.8vw, 1.78rem);
  line-height: 1.1;
}

.report-course {
  margin: 0 0 16px;
  color: var(--green) !important;
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.report-body > p:not(.report-id):not(.report-course) {
  color: var(--muted);
  line-height: 1.58;
}

.report-result {
  display: grid;
  gap: 6px;
  margin: 18px 0 4px;
  padding: 14px 15px;
  border-left: 2px solid var(--green);
  background: rgba(200, 245, 93, 0.045);
}

.report-result span {
  color: var(--soft);
  font-size: 0.68rem;
  font-weight: 760;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.report-result strong {
  color: var(--text);
  font-size: 0.91rem;
  line-height: 1.45;
}

.report-body .text-link {
  margin-top: auto;
}

@media (max-width: 1050px) {
  .report-grid {
    grid-template-columns: 1fr;
  }

  .report-card {
    display: grid;
    grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  }

  .report-visual {
    min-height: 100%;
    aspect-ratio: auto;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }
}

@media (max-width: 700px) {
  .reports {
    padding: 72px 0;
  }

  .report-card {
    display: flex;
  }

  .report-visual {
    min-height: 210px;
    aspect-ratio: 16 / 10;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .report-body {
    padding: 20px;
  }
}

/* CV signal-particle reveal ------------------------------------------------- */
.cv-particle-target {
  position: relative;
  isolation: isolate;
  will-change: opacity, transform, filter, box-shadow;
}

.cv-particle-target.cv-particle-pending {
  opacity: 0;
  filter: blur(3px);
  transform: scale(0.9);
  animation: cv-particle-safety-reveal 0s linear 6s forwards;
}

.cv-particle-target.cv-particle-revealing {
  opacity: 1;
  filter: blur(0);
  transform: scale(1);
  box-shadow:
    0 0 0 1px rgba(200, 245, 93, 0.22),
    0 0 28px rgba(200, 245, 93, 0.32),
    0 0 64px rgba(94, 228, 223, 0.12);
  transition:
    opacity 420ms ease,
    transform 520ms cubic-bezier(0.16, 1, 0.3, 1),
    filter 420ms ease,
    box-shadow 800ms ease;
}

.cv-particle-target.cv-particle-ready {
  box-shadow: none;
}

.cv-particle-canvas {
  position: fixed;
  inset: 0;
  z-index: 40;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  opacity: 1;
}

@keyframes cv-particle-safety-reveal {
  to {
    opacity: 1;
    filter: none;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cv-particle-target.cv-particle-pending {
    opacity: 1;
    filter: none;
    transform: none;
    animation: none;
  }
}

/* Report browser: three cards on desktop, one compact report on touch screens. */
.report-toolbar, .report-picker, .report-details-toggle { display: none; }
.report-details { margin-bottom: 18px; }
.report-details > p:not(.report-course) { color: var(--muted); line-height: 1.58; }
.report-details .tag-row { margin-bottom: 0; }
.reports.is-carousel .report-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin: 0 0 18px;
}
.report-browse-hint { margin: 0; color: var(--soft); font-size: .76rem; }
.report-hint-mobile { display: none; }
.report-navigation { display: flex; align-items: center; gap: 14px; }
.report-counter { min-width: 90px; text-align: center; color: var(--green); font: 700 .75rem monospace; letter-spacing: .04em; }
.report-arrow {
  display: grid; place-items: center; width: 40px; height: 40px;
  padding: 0; border: 1px solid var(--line); border-radius: 50%;
  background: rgba(200,245,93,.035); color: var(--text); font-size: 1.25rem; cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease;
}
.report-arrow:hover:not(:disabled) { background: rgba(200,245,93,.10); border-color: var(--green); }
.report-arrow:disabled { opacity: .28; cursor: default; }
.reports.is-carousel .report-grid {
  display: flex; gap: 18px; overflow-x: auto; overflow-y: hidden;
  scroll-snap-type: x mandatory; overscroll-behavior-x: contain;
  scrollbar-width: thin; scrollbar-color: rgba(200,245,93,.45) rgba(255,255,255,.04);
  padding: 4px 0 14px; cursor: grab;
}
.reports.is-carousel .report-card {
  flex: 0 0 calc((100% - 36px) / 3); scroll-snap-align: start; scroll-snap-stop: always;
}
.reports.is-carousel .report-grid.is-dragging { cursor: grabbing; scroll-snap-type: none; user-select: none; }
.report-grid.is-dragging a { cursor: grabbing; }
.report-grid.is-dragging .report-card:hover { transform: none; }
.report-arrow:focus-visible, .report-picker button:focus-visible, .report-details-toggle:focus-visible {
  outline: 2px solid var(--green); outline-offset: 4px;
}
.reports.is-carousel .report-grid:focus-visible { outline: 1px solid var(--green); outline-offset: 4px; }
@media (max-width: 1050px) {
  .report-hint-desktop { display: none; }
  .report-hint-mobile { display: inline; }
  .reports.is-carousel .report-picker {
    display: grid; grid-template-columns: .8fr .8fr 1fr 1.5fr; gap: 8px; margin: 0 0 14px;
  }
  .report-picker button {
    min-height: 44px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px;
    background: rgba(13,16,14,.76); color: var(--muted); font: inherit; font-size: .76rem;
    cursor: pointer; white-space: nowrap;
  }
  .report-picker button span { color: var(--soft); margin-right: 5px; font: .7rem monospace; }
  .report-picker button[aria-pressed="true"] { border-color: rgba(200,245,93,.55); background: rgba(200,245,93,.075); color: var(--green); }
  .report-picker button[aria-pressed="true"] span { color: var(--green); }
  .reports.is-carousel .report-grid { align-items: flex-start; cursor: auto; }
  .reports.is-carousel .report-card { flex-basis: 100%; grid-template-columns: minmax(220px,.8fr) minmax(0,1.2fr); }
  .reports.is-carousel .report-card:hover { transform: none; }
  .reports.is-carousel .report-result { margin: 12px 0 4px; }
  .reports.is-carousel .report-details-toggle {
    display: flex; justify-content: space-between; align-items: center; min-height: 44px;
    width: 100%; margin: 10px 0 12px; padding: 8px 0; border: 0; border-bottom: 1px solid var(--line);
    background: transparent; color: var(--soft); font: inherit; font-size: .79rem; cursor: pointer;
  }
  .report-details-toggle span { color: var(--green); font-size: 1.1rem; }
  .reports.is-carousel .report-details { display: none; }
  .reports.is-carousel .report-card.is-expanded .report-details { display: block; }
  .reports.is-carousel .report-course { font-size: .7rem; }
  .reports.is-carousel .report-details > p:not(.report-course) { font-size: .9rem; }
  .reports.is-carousel .report-body .text-link { margin-top: 4px; }
}
@media (max-width: 700px) {
  .reports.is-carousel .report-toolbar { gap: 8px; margin-bottom: 14px; }
  .report-navigation { gap: 8px; }
  .report-counter { min-width: 56px; font-size: .7rem; }
  .report-arrow { width: 36px; height: 36px; }
  .report-browse-hint { max-width: 120px; font-size: .7rem; line-height: 1.5; }
  .reports.is-carousel .report-picker { gap: 5px; }
  .report-picker button { padding: 8px 3px; font-size: .65rem; }
  .report-picker button span { display: block; margin: 0 0 3px; font-size: .62rem; }
  .reports.is-carousel .report-visual { min-height: 0; height: 160px; aspect-ratio: auto; }
  .reports.is-carousel .report-visual img { object-fit: contain; object-position: center; }
  .reports.is-carousel .report-body { padding: 18px; }
  .reports.is-carousel .report-body h3 { font-size: 1.32rem; line-height: 1.15; }
  .reports.is-carousel .report-id { margin-bottom: 10px; font-size: .62rem; }
  .reports.is-carousel .report-result { padding: 10px 12px; }
  .reports.is-carousel .report-result strong { font-size: .81rem; }
}
@media (prefers-reduced-motion: reduce) {
  .reports.is-carousel .report-card, .reports.is-carousel .report-visual img { transition: none; }
}
/* Keep the original reading order when full descriptions are visible. */
@media (min-width: 1051px) {
  .report-details { display: contents; }
  .report-details .report-course { order: 1; }
  .report-details > p:not(.report-course) { order: 2; }
  .report-body .report-result { order: 3; }
  .report-details .tag-row { order: 4; margin-bottom: 18px; }
  .report-body .text-link { order: 5; }
}
/* Preserve both axes of the saved OFDM figure. */
#report-4 .report-visual img { object-fit: contain; object-position: center; }

/* Selected Works uses the Reports browser's visual language and native swipe. */
.project-toolbar, .project-picker, .project-details-toggle { display: none; }
.projects.is-carousel .section-heading { margin-bottom: 30px; }
.projects.has-carousel-controls .project-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin: 0 0 18px;
}
.project-browse-hint { margin: 0; color: var(--soft); font-size: .76rem; }
.project-hint-mobile { display: none; }
.project-navigation { display: flex; align-items: center; gap: 14px; }
.project-counter { min-width: 90px; text-align: center; color: var(--green); font: 700 .75rem monospace; letter-spacing: .04em; }
.project-arrow {
  display: grid; place-items: center; width: 40px; height: 40px;
  padding: 0; border: 1px solid var(--line); border-radius: 50%;
  background: rgba(200,245,93,.035); color: var(--text); font-size: 1.25rem; cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease;
}
.project-arrow:hover:not(:disabled) { background: rgba(200,245,93,.10); border-color: var(--green); }
.project-arrow:disabled { opacity: .28; cursor: default; }
.projects.is-carousel .project-list {
  display: flex; align-items: stretch; gap: 18px; overflow-x: auto; overflow-y: hidden;
  scroll-snap-type: x mandatory; overscroll-behavior-x: contain;
  scrollbar-width: thin; scrollbar-color: rgba(200,245,93,.45) rgba(255,255,255,.04);
  padding: 4px 0 14px; cursor: grab;
}
.projects.is-carousel .project-card {
  display: flex; flex-direction: column; flex: 0 0 calc((100% - 36px) / 2.5);
  min-height: 0; margin: 0; scroll-snap-align: start; scroll-snap-stop: always;
  background: rgba(13,16,14,.76);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}
.projects.is-carousel .project-card:hover {
  transform: translateY(-3px); border-color: rgba(200,245,93,.36); background: rgba(15,19,16,.92);
}
.projects.is-carousel .project-card .project-image {
  display: block; flex: 0 0 auto; width: 100%; height: 210px; min-height: 0;
  aspect-ratio: auto; border-bottom: 1px solid var(--line); cursor: grab;
}
.projects.is-carousel .project-card .project-image img {
  display: block; width: 100%; height: 100%; min-height: 0;
  object-fit: contain; object-position: center;
}
.projects.is-carousel .project-image::after {
  background: linear-gradient(180deg, transparent 70%, rgba(5,7,5,.16)); pointer-events: none;
}
.projects.is-carousel .project-body { min-width: 0; justify-content: flex-start; padding: 24px; }
.projects.is-carousel .project-body h3 {
  margin: 0 0 14px; font-size: clamp(1.3rem,1.8vw,1.78rem); line-height: 1.1;
}
.projects.is-carousel .project-meta { margin-bottom: 12px; font-size: .7rem; letter-spacing: .04em; }
.projects.is-carousel .project-system-id { margin-bottom: 14px; font-size: .67rem; }
.projects.is-carousel .project-system-id span { color: var(--green); }
.project-details > p { color: var(--muted); line-height: 1.58; }
.project-details .tag-row { margin-bottom: 18px; }
.projects.is-carousel .project-body .text-link { margin-top: auto; align-self: flex-start; }
.projects.is-carousel .project-list.is-grabbing,
.projects.is-carousel .project-list.is-grabbing a { cursor: grabbing; user-select: none; }
.projects.is-carousel .project-list.is-dragging { scroll-snap-type: none; }
.projects.is-carousel .project-list.is-grabbing .project-card:hover { transform: none; }
.projects.is-carousel .project-list.is-grabbing .project-image img { transform: none; }
.project-arrow:focus-visible, .project-picker button:focus-visible, .project-details-toggle:focus-visible {
  outline: 2px solid var(--green); outline-offset: 4px;
}
.projects.is-carousel .project-list:focus-visible { outline: 1px solid var(--green); outline-offset: 4px; }
@media (max-width: 1050px) {
  .project-hint-desktop { display: none; }
  .project-hint-mobile { display: inline; }
  .projects.has-carousel-controls .project-picker {
    display: flex; gap: 8px; overflow-x: auto; margin: 0 0 14px; padding: 4px 0;
    scrollbar-width: thin; scrollbar-color: rgba(200,245,93,.45) transparent;
  }
  .project-picker button {
    flex: 1 0 auto; min-height: 44px; padding: 8px 12px;
    border: 1px solid var(--line); border-radius: 6px;
    background: rgba(13,16,14,.76); color: var(--muted); font: inherit; font-size: .76rem;
    cursor: pointer; white-space: nowrap;
  }
  .project-picker button span { color: var(--soft); margin-right: 5px; font: .7rem monospace; }
  .project-picker button[aria-pressed="true"] { border-color: rgba(200,245,93,.55); background: rgba(200,245,93,.075); color: var(--green); }
  .project-picker button[aria-pressed="true"] span { color: var(--green); }
  .projects.is-carousel .project-card {
    flex-basis: 100%; display: grid; grid-template-columns: minmax(220px,.8fr) minmax(0,1.2fr);
  }
  .projects.is-carousel .project-card:hover { transform: none; }
  .projects.is-carousel .project-card .project-image {
    height: 100%; border-right: 1px solid var(--line); border-bottom: 0;
  }
  .projects.has-carousel-controls .project-details-toggle {
    display: flex; justify-content: space-between; align-items: center; min-height: 44px;
    width: 100%; margin: 0 0 12px; padding: 8px 0; border: 0; border-bottom: 1px solid var(--line);
    background: transparent; color: var(--soft); font: inherit; font-size: .79rem; cursor: pointer;
  }
  .project-details-toggle span { color: var(--green); font-size: 1.1rem; }
  .projects.has-carousel-controls .project-details { display: none; }
  .projects.has-carousel-controls .project-card.is-expanded .project-details { display: block; }
  .project-details > p { font-size: .9rem; }
}
@media (max-width: 700px) {
  .projects.has-carousel-controls .project-toolbar { gap: 8px; margin-bottom: 14px; }
  .project-navigation { gap: 8px; }
  .project-counter { min-width: 56px; font-size: .7rem; }
  .project-arrow { width: 36px; height: 36px; }
  .project-browse-hint { max-width: 120px; font-size: .7rem; line-height: 1.5; }
  .projects.has-carousel-controls .project-picker { gap: 5px; }
  .project-picker button { padding: 8px 10px; font-size: .65rem; }
  .project-picker button span { display: block; margin: 0 0 3px; font-size: .62rem; }
  .projects.is-carousel .project-card { display: flex; }
  .projects.is-carousel .project-card .project-image { height: 160px; border-right: 0; border-bottom: 1px solid var(--line); }
  .projects.is-carousel .project-body { padding: 18px; }
  .projects.is-carousel .project-body h3 { font-size: 1.32rem; line-height: 1.15; }
  .projects.is-carousel .project-system-id { margin-bottom: 10px; font-size: .62rem; }
}
@media (max-width: 700px) and (max-height: 500px) and (orientation: landscape) {
  .projects.is-carousel .project-card { display: grid; grid-template-columns: minmax(180px,.8fr) minmax(0,1.2fr); }
  .projects.is-carousel .project-card .project-image { height: 100%; border-right: 1px solid var(--line); border-bottom: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .projects.is-carousel .project-card, .projects.is-carousel .project-image img { transition: none; }
}