:root {
  color-scheme: dark;
  --bg: #071113;
  --bg-raised: #0b171a;
  --surface: #0f1f23;
  --surface-strong: #14272b;
  --text: #edf8f7;
  --muted: #9fb7b6;
  --soft: #6f8988;
  --line: rgba(135, 225, 217, 0.16);
  --accent: #28d6c4;
  --accent-soft: rgba(40, 214, 196, 0.12);
  --accent-line: rgba(40, 214, 196, 0.36);
  --shadow: rgba(0, 24, 28, 0.42);
  --radius: 8px;
  --max: 1360px;
}

@view-transition {
  navigation: auto;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  isolation: isolate;
  background:
    linear-gradient(115deg, transparent 0%, transparent 46%, rgba(40, 214, 196, 0.07) 46%, transparent 56%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-raised) 54%, var(--bg) 100%);
  color: var(--text);
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    "Hiragino Sans GB",
    "Noto Sans SC",
    ui-sans-serif,
    system-ui,
    sans-serif;
  line-height: 1.5;
}

body.is-leaving {
  opacity: 1;
  transform: none;
}

body.site-page,
body.course-page {
  background:
    radial-gradient(circle at 78% 10%, rgba(40, 214, 196, 0.1), transparent 26%),
    radial-gradient(circle at 12% 38%, rgba(22, 118, 216, 0.1), transparent 30%),
    linear-gradient(115deg, transparent 0%, transparent 46%, rgba(40, 214, 196, 0.07) 46%, transparent 56%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-raised) 54%, var(--bg) 100%);
}

main {
  position: relative;
  z-index: 1;
  overflow: hidden;
}

body::before,
body::after {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
}

body::before {
  z-index: -2;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.72), transparent 82%);
}

body::after {
  z-index: 50;
  opacity: 0.12;
  background-image: repeating-linear-gradient(0deg, transparent 0 2px, rgba(237, 248, 247, 0.2) 3px);
  mix-blend-mode: overlay;
}

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

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

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

.global-particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100vw;
  height: 100vh;
  opacity: 0.92;
  pointer-events: none;
}

.ambient-rail {
  position: fixed;
  top: 88px;
  bottom: 28px;
  z-index: 0;
  display: none;
  width: clamp(74px, 7vw, 128px);
  padding: 18px 10px;
  pointer-events: none;
}

.ambient-rail-left {
  left: max(10px, calc((100vw - var(--max)) / 2 - 154px));
}

.ambient-rail-right {
  right: max(10px, calc((100vw - var(--max)) / 2 - 154px));
}

.rail-core {
  position: relative;
  overflow: hidden;
  border-inline: 1px solid rgba(40, 214, 196, 0.2);
  background:
    linear-gradient(180deg, transparent, rgba(40, 214, 196, 0.12), transparent),
    repeating-linear-gradient(180deg, rgba(40, 214, 196, 0.16) 0 1px, transparent 1px 36px);
  mask-image: linear-gradient(180deg, transparent 0, #000 12%, #000 88%, transparent 100%);
}

.rail-core::before,
.rail-core::after {
  position: absolute;
  left: 50%;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(57, 241, 223, 0.7);
  border-radius: 50%;
  background: rgba(40, 214, 196, 0.16);
  box-shadow: 0 0 26px rgba(40, 214, 196, 0.44);
  content: "";
  transform: translateX(-50%);
  animation: rail-node 6.8s linear infinite;
}

.rail-core::after {
  width: 12px;
  height: 12px;
  animation-delay: -3.4s;
}

.rail-label {
  position: absolute;
  left: 50%;
  color: rgba(237, 248, 247, 0.28);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transform: translateX(-50%) rotate(90deg);
  white-space: nowrap;
}

.ambient-rail-left .rail-label {
  top: 38px;
}

.ambient-rail-right .rail-label {
  bottom: 54px;
}

.transition-overlay {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  background: rgba(3, 12, 14, 0);
  transition: background 180ms ease;
}

.section-jump-flash {
  position: fixed;
  top: 72px;
  left: 0;
  z-index: 90;
  width: 100vw;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(57, 241, 223, 0.95), transparent);
  box-shadow: 0 0 34px rgba(40, 214, 196, 0.72);
  opacity: 0;
  pointer-events: none;
  transform: translateX(-100%);
}

body.is-section-jumping .section-jump-flash {
  animation: section-scan 760ms cubic-bezier(0.16, 1, 0.3, 1);
}

.is-section-target {
  animation: section-pulse 1080ms cubic-bezier(0.16, 1, 0.3, 1);
}

.transition-overlay::before,
.transition-overlay::after {
  position: absolute;
  inset: -18% -20%;
  content: "";
  transform: translateX(-115%) skewX(-13deg);
}

.transition-overlay::before {
  background:
    linear-gradient(90deg, transparent, rgba(40, 214, 196, 0.24), transparent 26%),
    linear-gradient(135deg, rgba(4, 17, 21, 0.98), rgba(10, 44, 50, 0.98) 62%, rgba(40, 214, 196, 0.86));
  box-shadow: 0 0 70px rgba(40, 214, 196, 0.28);
}

.transition-overlay::after {
  inset: -18% -28%;
  background:
    repeating-linear-gradient(90deg, transparent 0 30px, rgba(237, 248, 247, 0.12) 30px 31px),
    linear-gradient(90deg, transparent, rgba(57, 241, 223, 0.28), transparent);
  mix-blend-mode: screen;
}

.transition-overlay span {
  position: relative;
  z-index: 1;
  padding: 12px 16px;
  border: 1px solid rgba(57, 241, 223, 0.46);
  border-radius: var(--radius);
  background: rgba(3, 12, 14, 0.68);
  color: var(--accent);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(12px);
}

body.is-leaving .transition-overlay {
  opacity: 1;
  visibility: visible;
  background: rgba(3, 12, 14, 0.72);
}

body.is-leaving .transition-overlay::before {
  animation: page-wipe 680ms cubic-bezier(0.76, 0, 0.24, 1) forwards;
}

body.is-leaving .transition-overlay::after {
  animation: page-wipe 680ms cubic-bezier(0.76, 0, 0.24, 1) 50ms forwards;
}

body.is-leaving .transition-overlay span {
  animation: transition-label 520ms ease 120ms forwards;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  min-height: 72px;
  padding: 12px clamp(20px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 17, 19, 0.78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  font-weight: 760;
  letter-spacing: 0;
}

.brand img {
  width: 42px;
  height: 34px;
  object-fit: contain;
}

.brand span {
  color: var(--text);
  text-shadow: 0 0 18px rgba(40, 214, 196, 0.22);
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: clamp(10px, 1.55vw, 26px);
  color: var(--muted);
  font-size: 0.93rem;
  white-space: nowrap;
}

.nav-links a {
  border-radius: 999px;
}

.nav-links a,
.nav-cta,
.button {
  transition:
    transform 180ms ease,
    color 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

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

.nav-links a.is-active {
  position: relative;
}

.nav-links a.is-active::after {
  position: absolute;
  left: 50%;
  bottom: -12px;
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(40, 214, 196, 0.8);
  content: "";
  transform: translateX(-50%);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 999px;
  font-weight: 700;
  white-space: nowrap;
}

.nav-cta {
  padding: 0 18px;
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  color: var(--text);
}

.nav-cta.is-active {
  border-color: var(--accent);
  background: rgba(40, 214, 196, 0.24);
  box-shadow: 0 0 24px rgba(40, 214, 196, 0.22);
}

.nav-cta:hover,
.nav-cta:focus-visible,
.button.secondary:hover,
.button.secondary:focus-visible {
  border-color: var(--accent);
  background: rgba(40, 214, 196, 0.18);
}

.nav-cta:active,
.button:active {
  transform: translateY(1px);
}

.section-dock {
  position: fixed;
  top: 96px;
  right: clamp(18px, 2.4vw, 42px);
  z-index: 18;
  width: 156px;
  pointer-events: none;
}

.dock-group {
  position: absolute;
  top: 0;
  right: 0;
  display: grid;
  width: 100%;
  gap: 7px;
  padding: 12px;
  border: 1px solid rgba(135, 225, 217, 0.18);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(40, 214, 196, 0.1), transparent 42%),
    rgba(5, 14, 17, 0.72);
  box-shadow: 0 24px 60px rgba(0, 24, 28, 0.28);
  opacity: 0;
  pointer-events: none;
  transform: translateX(16px);
  transition:
    opacity 220ms ease,
    transform 220ms ease;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.dock-group.is-active {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.dock-group span {
  padding-bottom: 7px;
  border-bottom: 1px solid rgba(135, 225, 217, 0.14);
  color: var(--accent);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.dock-group .dock-divider {
  margin-top: 7px;
  padding-top: 9px;
  padding-bottom: 0;
  border-top: 1px solid rgba(135, 225, 217, 0.16);
  border-bottom: 0;
  color: rgba(159, 183, 182, 0.72);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}

.dock-group a {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 32px;
  padding: 0 9px 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  transition:
    color 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.dock-group a::before {
  position: absolute;
  left: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(135, 225, 217, 0.36);
  content: "";
}

.dock-group a:hover,
.dock-group a:focus-visible,
.dock-group a.is-active {
  border-color: rgba(40, 214, 196, 0.28);
  background: rgba(40, 214, 196, 0.1);
  color: var(--text);
  outline: 0;
  transform: translateX(-2px);
}

.dock-group a.is-active::before {
  background: var(--accent);
  box-shadow: 0 0 16px rgba(40, 214, 196, 0.8);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
  align-items: center;
  gap: clamp(44px, 5vw, 84px);
  min-height: clamp(700px, calc(100dvh - 180px), 900px);
  padding-top: 38px;
  padding-bottom: 28px;
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  width: fit-content;
  margin: 0 0 18px;
  padding: 8px 12px;
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

h1 {
  margin-bottom: 22px;
  font-size: 4.9rem;
  line-height: 1.04;
  letter-spacing: 0;
  text-wrap: balance;
}

h2,
h3 {
  text-wrap: balance;
}

.hero-title span {
  display: block;
  white-space: nowrap;
}

.course-title span {
  display: block;
  white-space: nowrap;
}

.hero-subtitle {
  max-width: 640px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  min-width: 118px;
  padding: 0 22px;
}

.button.primary {
  border: 1px solid transparent;
  background: var(--accent);
  color: #061113;
  box-shadow: 0 18px 42px var(--shadow);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: #5fe2d4;
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(237, 248, 247, 0.04);
  color: var(--text);
}

.button.ghost {
  border: 1px solid rgba(135, 225, 217, 0.14);
  background: transparent;
  color: var(--muted);
}

.button.ghost:hover,
.button.ghost:focus-visible {
  border-color: var(--accent-line);
  background: rgba(237, 248, 247, 0.05);
  color: var(--text);
}

.tech-icon {
  display: inline-block;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  background:
    linear-gradient(135deg, #39f1df, #1676d8 72%),
    var(--accent);
  mask: var(--icon-url) center / contain no-repeat;
  -webkit-mask: var(--icon-url) center / contain no-repeat;
  filter: drop-shadow(0 10px 22px rgba(40, 214, 196, 0.22));
}

.icon-cpu {
  --icon-url: url("assets/icons/cpu.svg");
}

.icon-robot {
  --icon-url: url("assets/icons/robot.svg");
}

.icon-code {
  --icon-url: url("assets/icons/code.svg");
}

.icon-network {
  --icon-url: url("assets/icons/network.svg");
}

.icon-box {
  --icon-url: url("assets/icons/box.svg");
}

.icon-brain {
  --icon-url: url("assets/icons/brain.svg");
}

.icon-database {
  --icon-url: url("assets/icons/database.svg");
}

.icon-route {
  --icon-url: url("assets/icons/route.svg");
}

.icon-presentation {
  --icon-url: url("assets/icons/presentation.svg");
}

.icon-rocket {
  --icon-url: url("assets/icons/rocket.svg");
}

.icon-sparkles {
  --icon-url: url("assets/icons/sparkles.svg");
}

.icon-book {
  --icon-url: url("assets/icons/book-2.svg");
}

.icon-git {
  --icon-url: url("assets/icons/git-branch.svg");
}

.icon-shield {
  --icon-url: url("assets/icons/shield-check.svg");
}

.icon-map {
  --icon-url: url("assets/icons/map-pin.svg");
}

.icon-phone {
  --icon-url: url("assets/icons/phone.svg");
}

.icon-mail {
  --icon-url: url("assets/icons/mail.svg");
}

.icon-user-star {
  --icon-url: url("assets/icons/user-star.svg");
}

.icon-trophy {
  --icon-url: url("assets/icons/trophy.svg");
}

.icon-school {
  --icon-url: url("assets/icons/school.svg");
}

.icon-building {
  --icon-url: url("assets/icons/building-community.svg");
}

.icon-target {
  --icon-url: url("assets/icons/target-arrow.svg");
}

.hero-visual {
  min-width: 0;
}

.visual-stage {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  width: min(100%, 640px);
  margin-left: auto;
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(40, 214, 196, 0.14), transparent 38%),
    linear-gradient(315deg, rgba(12, 112, 215, 0.16), transparent 42%),
    linear-gradient(180deg, var(--surface-strong), var(--surface));
  box-shadow: 0 34px 90px var(--shadow);
}

.visual-stage::before {
  position: absolute;
  inset: 32px;
  z-index: 0;
  border: 1px solid var(--accent-line);
  border-radius: var(--radius);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 36px 36px;
  content: "";
  transform: rotate(-8deg);
}

.visual-stage::after {
  position: absolute;
  inset: 12%;
  z-index: 0;
  border: 1px solid rgba(237, 248, 247, 0.1);
  border-radius: var(--radius);
  content: "";
  transform: rotate(13deg);
}

.hero-logo {
  position: relative;
  z-index: 2;
  width: 74%;
  filter:
    drop-shadow(0 0 1px rgba(237, 248, 247, 0.9))
    drop-shadow(0 18px 32px rgba(0, 34, 40, 0.42));
}

.logo-plate {
  position: absolute;
  inset: 17%;
  z-index: 1;
  border: 1px solid rgba(135, 225, 217, 0.2);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 36%, rgba(237, 248, 247, 0.16), transparent 38%),
    linear-gradient(180deg, rgba(237, 248, 247, 0.08), rgba(40, 214, 196, 0.05)),
    rgba(2, 9, 11, 0.62);
  box-shadow:
    inset 0 1px 0 rgba(237, 248, 247, 0.14),
    0 24px 60px rgba(0, 0, 0, 0.32);
}

.axis,
.orbit {
  position: absolute;
  pointer-events: none;
}

.axis {
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-line), transparent);
}

.axis-one {
  transform: rotate(28deg);
}

.axis-two {
  transform: rotate(-32deg);
}

.orbit {
  border: 1px solid var(--accent-line);
  border-radius: 999px;
}

.orbit-one {
  width: 72%;
  height: 46%;
  transform: rotate(26deg);
}

.orbit-two {
  width: 50%;
  height: 84%;
  transform: rotate(-23deg);
}

.signal-card {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--accent-line);
  border-radius: var(--radius);
  background: rgba(7, 17, 19, 0.74);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 800;
  box-shadow: 0 18px 44px rgba(0, 24, 28, 0.2);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.signal-card::after {
  position: absolute;
  width: 46px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-line), transparent);
  content: "";
}

.signal-card .tech-icon {
  width: 21px;
  height: 21px;
}

.signal-one {
  top: 11%;
  left: 10%;
}

.signal-one::after {
  right: -46px;
}

.signal-two {
  top: 25%;
  right: 9%;
}

.signal-two::after,
.signal-three::after {
  left: -46px;
  transform: rotate(180deg);
}

.signal-three {
  right: 12%;
  bottom: 13%;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: -24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(237, 248, 247, 0.03);
}

.proof-strip div {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 4px 14px;
  align-items: center;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.proof-strip div:last-child {
  border-right: 0;
}

.proof-strip strong {
  display: block;
  margin-bottom: 0;
  color: var(--text);
  font-size: 1.28rem;
}

.proof-strip .tech-icon {
  grid-row: span 2;
  width: 34px;
  height: 34px;
}

.proof-strip div > span:not(.tech-icon) {
  color: var(--muted);
}

.matrix,
.positioning,
.system,
.founder,
.advantages,
.cooperation,
.roadmap {
  padding-block: 112px;
}

.home-section {
  position: relative;
}

.home-section + .home-section {
  border-top: 1px solid rgba(135, 225, 217, 0.1);
}

.home-section + .home-section::marker {
  display: none;
}

.home-section::before {
  position: absolute;
  top: 72px;
  left: 0;
  z-index: 2;
  color: rgba(57, 241, 223, 0.68);
  content: attr(data-section);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-shadow: 0 0 20px rgba(40, 214, 196, 0.36);
  writing-mode: vertical-rl;
}

.home-section::after {
  position: absolute;
  top: 74px;
  left: 28px;
  z-index: 2;
  width: 1px;
  height: min(180px, calc(100% - 110px));
  background: linear-gradient(180deg, var(--accent), rgba(40, 214, 196, 0.12), transparent);
  content: "";
}

.home-section > .section-heading,
.home-section > .matrix-intro,
.home-section > .roadmap-copy,
.home-section > .statement {
  position: relative;
}

.home-section > .section-heading::before,
.home-section > .matrix-intro::before,
.home-section > .roadmap-copy::before,
.home-section > .statement::before {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 7px 10px;
  border: 1px solid rgba(40, 214, 196, 0.28);
  border-radius: 999px;
  background: rgba(40, 214, 196, 0.08);
  color: rgba(57, 241, 223, 0.82);
  content: attr(data-section-title);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.founder {
  padding-bottom: 62px;
}

.founder-page .founder {
  padding-bottom: 112px;
}

.advantages {
  padding-top: 68px;
}

.matrix {
  position: relative;
}

.matrix-particles,
.course-hero-canvas,
.visual-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.72;
}

.visual-particles {
  opacity: 0.88;
  pointer-events: none;
}

.matrix::before {
  position: absolute;
  inset: 76px 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-line), transparent);
  content: "";
}

.matrix-intro {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin-bottom: 40px;
}

.matrix-intro h2 {
  margin-bottom: 16px;
  font-size: 3rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.matrix-intro p,
.matrix-card p {
  color: var(--muted);
  line-height: 1.8;
}

.matrix-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: minmax(214px, auto);
  gap: 16px;
}

.matrix-card {
  position: relative;
  overflow: hidden;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(237, 248, 247, 0.07), transparent 42%),
    var(--surface);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.matrix-card::before {
  position: absolute;
  inset: 18px 18px auto auto;
  width: 72px;
  height: 72px;
  border-top: 1px solid var(--accent-line);
  border-right: 1px solid var(--accent-line);
  content: "";
  opacity: 0.6;
}

.matrix-card::after {
  position: absolute;
  right: -58px;
  bottom: -58px;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(40, 214, 196, 0.2);
  border-radius: var(--radius);
  content: "";
  transform: rotate(18deg);
}

.matrix-card:hover,
.matrix-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--accent-line);
  background:
    linear-gradient(135deg, rgba(40, 214, 196, 0.12), transparent 50%),
    var(--surface-strong);
}

.matrix-card .tech-icon {
  width: 46px;
  height: 46px;
  margin-bottom: 22px;
}

.matrix-card h3 {
  margin-bottom: 12px;
  font-size: 1.42rem;
  line-height: 1.28;
}

.matrix-main {
  grid-column: span 2;
  grid-row: span 2;
  display: flex;
  min-height: 412px;
  flex-direction: column;
  justify-content: flex-end;
  background:
    linear-gradient(135deg, rgba(40, 214, 196, 0.2), transparent 48%),
    linear-gradient(315deg, rgba(12, 112, 215, 0.18), transparent 46%),
    var(--surface-strong);
}

.matrix-main .tech-icon {
  width: 72px;
  height: 72px;
}

.matrix-main h3 {
  max-width: 520px;
  font-size: 2rem;
}

.matrix-main p {
  max-width: 520px;
  font-size: 1.04rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 44px;
}

.section-heading h2,
.statement h2,
.roadmap-copy h2,
.footer-brand h2 {
  margin-bottom: 16px;
  font-size: 3rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.section-heading p,
.roadmap-copy p,
.footer-brand p {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.85;
}

.pathway {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr 1.15fr;
  gap: 16px;
  align-items: stretch;
}

.pathway article {
  min-height: 170px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(237, 248, 247, 0.055), rgba(237, 248, 247, 0.02)),
    var(--surface);
}

.pathway article:nth-child(2) {
  margin-top: 34px;
}

.pathway article:nth-child(3) {
  margin-top: 68px;
}

.pathway article > span:not(.tech-icon),
.cooperation-options article > span:not(.tech-icon),
.roadmap-track article > span,
.cell-index {
  display: block;
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 800;
}

.pathway p,
.cooperation-options p,
.roadmap-track p,
.bento-cell p,
.advantage-list p,
.cooperation-panel p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.75;
}

.pathway .tech-icon,
.bento-cell .tech-icon,
.advantage-list .tech-icon,
.cooperation-options .tech-icon {
  width: 36px;
  height: 36px;
  margin-bottom: 18px;
}

.pathway article,
.bento-cell,
.advantage-list article,
.cooperation-options article {
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.pathway article:hover,
.bento-cell:hover,
.advantage-list article:hover,
.cooperation-options article:hover {
  transform: translateY(-3px);
  border-color: var(--accent-line);
}

.bento-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr 1fr;
  grid-auto-rows: minmax(214px, auto);
  gap: 16px;
}

.bento-cell {
  position: relative;
  overflow: hidden;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.bento-cell::after {
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 170px;
  height: 170px;
  border: 1px solid var(--accent-line);
  border-radius: 28px;
  content: "";
  transform: rotate(18deg);
}

.bento-cell.large {
  grid-column: span 2;
  background:
    linear-gradient(135deg, var(--accent-soft), transparent 46%),
    var(--surface);
}

.bento-cell.tall {
  grid-row: span 2;
  background:
    linear-gradient(180deg, rgba(12, 112, 215, 0.16), transparent),
    var(--surface-strong);
}

.bento-cell.image-cell {
  display: grid;
  place-items: center;
  padding: 36px;
  background:
    linear-gradient(45deg, transparent 0 24%, var(--accent-soft) 24% 26%, transparent 26% 52%, var(--accent-soft) 52% 54%, transparent 54%),
    var(--surface-strong);
}

.bento-cell.image-cell::after {
  display: none;
}

.bento-cell.image-cell img {
  width: min(92%, 280px);
  opacity: 1;
  filter:
    drop-shadow(0 0 1px rgba(237, 248, 247, 0.9))
    drop-shadow(0 16px 30px rgba(0, 0, 0, 0.34));
}

.mini-logo-card {
  display: grid;
  place-items: center;
  width: min(100%, 310px);
  min-height: 180px;
  padding: 24px;
  border: 1px solid rgba(135, 225, 217, 0.18);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 20%, rgba(237, 248, 247, 0.18), transparent 38%),
    linear-gradient(180deg, rgba(237, 248, 247, 0.08), rgba(40, 214, 196, 0.04)),
    rgba(2, 9, 11, 0.64);
}

.bento-cell.accent-cell {
  grid-column: span 2;
  background:
    linear-gradient(115deg, rgba(40, 214, 196, 0.22), transparent 54%),
    var(--surface-strong);
}

.bento-cell h3,
.advantage-list h3,
.cooperation-panel h3 {
  margin-bottom: 12px;
  font-size: 1.45rem;
  line-height: 1.28;
}

.statement {
  width: min(100%, 760px);
  margin-bottom: 46px;
}

.curriculum-detail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.curriculum-detail article,
.founder-card,
.partner-card,
.contact-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(237, 248, 247, 0.055), rgba(237, 248, 247, 0.02)),
    var(--surface);
}

.curriculum-detail article {
  padding: 24px;
}

.curriculum-detail h3 {
  margin-bottom: 10px;
  font-size: 1.16rem;
}

.curriculum-detail p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.75;
}

.founder-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
  gap: 18px;
  align-items: stretch;
}

.founder-card {
  position: relative;
  overflow: hidden;
  padding: 34px;
  background:
    linear-gradient(135deg, rgba(40, 214, 196, 0.16), transparent 48%),
    linear-gradient(315deg, rgba(12, 112, 215, 0.14), transparent 46%),
    var(--surface-strong);
}

.founder-card::after {
  position: absolute;
  right: -46px;
  bottom: -46px;
  width: 170px;
  height: 170px;
  background: linear-gradient(135deg, rgba(57, 241, 223, 0.22), rgba(22, 118, 216, 0.12));
  content: "";
  mask: url("assets/icons/trophy.svg") center / contain no-repeat;
  -webkit-mask: url("assets/icons/trophy.svg") center / contain no-repeat;
  opacity: 0.5;
}

.founder-card .tech-icon {
  width: 58px;
  height: 58px;
  margin-bottom: 22px;
}

.founder-card h3 {
  max-width: 640px;
  margin-bottom: 16px;
  font-size: 2rem;
  line-height: 1.18;
}

.founder-card p {
  max-width: 760px;
  margin-bottom: 14px;
  color: var(--muted);
  line-height: 1.78;
}

.founder-card p:last-child {
  margin-bottom: 0;
}

.founder-tags {
  display: grid;
  align-content: stretch;
  gap: 12px;
}

.founder-tags span {
  display: flex;
  align-items: center;
  min-height: 64px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(237, 248, 247, 0.035);
  color: var(--text);
  font-weight: 800;
}

.founder-evidence {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.evidence-copy {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: auto minmax(260px, 0.36fr) minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  padding: 22px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(40, 214, 196, 0.14), transparent 56%),
    rgba(237, 248, 247, 0.035);
}

.evidence-copy::after {
  position: absolute;
  right: -28px;
  bottom: -66px;
  width: 210px;
  height: 210px;
  border: 1px solid rgba(40, 214, 196, 0.2);
  border-radius: 50%;
  background:
    linear-gradient(90deg, rgba(40, 214, 196, 0.12) 1px, transparent 1px),
    linear-gradient(rgba(40, 214, 196, 0.1) 1px, transparent 1px);
  background-size: 18px 18px;
  content: "";
  opacity: 0.54;
}

.evidence-copy .tech-icon {
  width: 54px;
  height: 54px;
}

.evidence-title {
  min-width: 0;
}

.evidence-kicker,
.certificate-label {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.evidence-copy h3 {
  max-width: 360px;
  margin: 6px 0 0;
  font-size: 1.6rem;
  line-height: 1.2;
}

.evidence-copy p:last-child {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.78;
}

.certificate-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.certificate-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 12px;
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 16% 0%, rgba(40, 214, 196, 0.14), transparent 36%),
    rgba(237, 248, 247, 0.035);
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    background 220ms ease;
}

.certificate-card:hover,
.certificate-card:focus-visible {
  border-color: rgba(40, 214, 196, 0.46);
  background:
    radial-gradient(circle at 16% 0%, rgba(40, 214, 196, 0.22), transparent 38%),
    rgba(237, 248, 247, 0.055);
  outline: 0;
  transform: translateY(-4px);
}

.certificate-featured {
  align-content: start;
}

.certificate-frame {
  display: grid;
  place-items: center;
  aspect-ratio: 1.28;
  overflow: hidden;
  padding: 10px;
  border: 1px solid rgba(6, 17, 19, 0.1);
  border-radius: calc(var(--radius) - 2px);
  background:
    linear-gradient(180deg, #fbfdfc, #e8eeee);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.76),
    0 18px 42px rgba(0, 0, 0, 0.22);
}

.certificate-frame.portrait {
  aspect-ratio: 1.28;
  max-height: none;
}

.certificate-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 4px;
}

.certificate-card strong {
  font-size: 1.08rem;
  line-height: 1.3;
}

.certificate-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

.advantage-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.advantage-list article {
  min-height: 182px;
  padding: 28px;
  background: var(--bg-raised);
}

.advantage-list article:nth-child(2),
.advantage-list article:nth-child(3) {
  background:
    linear-gradient(135deg, rgba(40, 214, 196, 0.08), transparent 48%),
    var(--bg-raised);
}

.cooperation-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 18px;
  align-items: stretch;
}

.partner-card {
  display: grid;
  grid-template-columns: minmax(260px, 0.88fr) minmax(0, 1.12fr);
  gap: 24px;
  align-items: center;
  margin-bottom: 18px;
  padding: 24px;
}

.partner-logo {
  display: grid;
  place-items: center;
  min-height: 170px;
  padding: 18px;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 0%, rgba(237, 248, 247, 0.14), transparent 42%),
    rgba(237, 248, 247, 0.04);
}

.partner-logo img {
  width: min(100%, 420px);
  border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
}

.partner-info h3 {
  margin-bottom: 12px;
  font-size: 1.7rem;
}

.partner-info p {
  margin-bottom: 10px;
  color: var(--muted);
  line-height: 1.75;
}

.partner-info a,
.contact-grid a {
  color: var(--text);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: var(--accent-line);
  text-underline-offset: 4px;
}

.cooperation-panel {
  position: relative;
  overflow: hidden;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(40, 214, 196, 0.16), transparent 58%),
    var(--surface-strong);
}

.cooperation-panel::after {
  position: absolute;
  right: -28px;
  bottom: -28px;
  width: 150px;
  height: 150px;
  background: linear-gradient(135deg, rgba(57, 241, 223, 0.22), rgba(22, 118, 216, 0.1));
  content: "";
  mask: url("assets/icons/network.svg") center / contain no-repeat;
  -webkit-mask: url("assets/icons/network.svg") center / contain no-repeat;
  opacity: 0.42;
}

.cooperation-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.cooperation-options article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(237, 248, 247, 0.035);
}

.cooperation-options article:last-child {
  grid-column: span 2;
}

.partner-expansion {
  padding-block: 112px;
}

.expansion-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.expansion-grid article {
  position: relative;
  overflow: hidden;
  min-height: 250px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 20% 0%, rgba(40, 214, 196, 0.16), transparent 38%),
    linear-gradient(180deg, rgba(237, 248, 247, 0.055), rgba(237, 248, 247, 0.018)),
    var(--surface);
}

.expansion-grid article::after {
  position: absolute;
  right: -48px;
  bottom: -48px;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(40, 214, 196, 0.22);
  border-radius: var(--radius);
  content: "";
  transform: rotate(18deg);
}

.expansion-grid .tech-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 22px;
}

.expansion-grid h3 {
  margin-bottom: 12px;
  font-size: 1.42rem;
}

.expansion-grid p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.76;
}

.roadmap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 36px;
  align-items: start;
}

.growth-model {
  grid-column: 1 / -1;
  margin-top: 22px;
}

.roadmap-track {
  display: grid;
  gap: 14px;
}

.roadmap-track article {
  display: grid;
  grid-template-columns: 52px 132px 1fr;
  gap: 22px;
  align-items: start;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, var(--accent-soft), transparent 42%),
    rgba(237, 248, 247, 0.035);
}

.roadmap-track article::before {
  width: 42px;
  height: 42px;
  background:
    linear-gradient(135deg, #39f1df, #1676d8 72%),
    var(--accent);
  content: "";
  filter: drop-shadow(0 10px 22px rgba(40, 214, 196, 0.22));
  mask: var(--roadmap-icon, url("assets/icons/route.svg")) center / contain no-repeat;
  -webkit-mask: var(--roadmap-icon, url("assets/icons/route.svg")) center / contain no-repeat;
}

.roadmap-track article:nth-child(2) {
  --roadmap-icon: url("assets/icons/network.svg");
}

.roadmap-track article:nth-child(3) {
  --roadmap-icon: url("assets/icons/database.svg");
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 30px;
  padding-block: 72px 84px;
  border-top: 1px solid var(--line);
}

.footer-brand {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.footer-logo-plate {
  display: grid;
  place-items: center;
  min-height: 138px;
  padding: 18px;
  border: 1px solid rgba(135, 225, 217, 0.18);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 20%, rgba(237, 248, 247, 0.2), transparent 40%),
    rgba(237, 248, 247, 0.055);
}

.footer-logo-plate img {
  width: 100%;
  opacity: 1;
  filter:
    drop-shadow(0 0 1px rgba(237, 248, 247, 0.9))
    drop-shadow(0 14px 26px rgba(0, 0, 0, 0.34));
}

.footer-brand h2 {
  max-width: 760px;
  font-size: 2.45rem;
}

.footer-button {
  min-width: 124px;
}

.course-switcher {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  min-width: min(100%, 520px);
}

.course-switcher .button {
  min-width: 112px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.contact-grid article {
  padding: 18px;
}

.contact-grid .tech-icon {
  width: 30px;
  height: 30px;
  margin-bottom: 14px;
}

.contact-grid strong,
.contact-grid a,
.contact-grid article > span:not(.tech-icon) {
  display: block;
}

.contact-grid strong {
  margin-bottom: 8px;
  color: var(--text);
}

.contact-grid article > span:not(.tech-icon) {
  color: var(--muted);
  line-height: 1.65;
}

.pathway {
  --mx: 50%;
  --my: 50%;
  position: relative;
  perspective: 1200px;
}

.pathway::before {
  position: absolute;
  inset: -86px -30px;
  z-index: -1;
  background:
    radial-gradient(circle at var(--mx) var(--my), rgba(40, 214, 196, 0.18), transparent 24%),
    linear-gradient(90deg, transparent 0 8%, rgba(40, 214, 196, 0.12) 8% 8.4%, transparent 8.4% 32%, rgba(40, 214, 196, 0.1) 32% 32.4%, transparent 32.4% 58%, rgba(40, 214, 196, 0.1) 58% 58.4%, transparent 58.4%);
  content: "";
  opacity: 0.76;
  pointer-events: none;
}

.pathway article {
  --card-mx: 50%;
  --card-my: 50%;
  --card-scale: 1;
  background:
    radial-gradient(circle at var(--card-mx) var(--card-my), rgba(40, 214, 196, 0.2), transparent 34%),
    linear-gradient(180deg, rgba(237, 248, 247, 0.055), rgba(237, 248, 247, 0.02)),
    var(--surface);
  transform: translateZ(0) scale(var(--card-scale));
  transform-origin: center;
  will-change: transform, background;
}

.pathway article:hover {
  transform: translateY(-7px) scale(var(--card-scale, 1.035));
  box-shadow: 0 28px 70px rgba(0, 24, 28, 0.34);
}

.curriculum-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 74px minmax(0, 1.08fr) 74px minmax(0, 1fr);
  align-items: center;
  gap: 0;
  margin-bottom: 20px;
  padding: 22px;
  border: 1px solid rgba(135, 225, 217, 0.12);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(40, 214, 196, 0.08), transparent 24%, transparent 76%, rgba(22, 118, 216, 0.08)),
    rgba(237, 248, 247, 0.018);
}

.stage-card {
  position: relative;
  overflow: hidden;
  display: flex;
  min-height: 382px;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(237, 248, 247, 0.055), rgba(237, 248, 247, 0.02)),
    var(--surface);
}

.stage-card::after {
  position: absolute;
  right: -44px;
  bottom: -44px;
  width: 180px;
  height: 180px;
  border: 1px solid var(--accent-line);
  border-radius: var(--radius);
  content: "";
  transform: rotate(18deg);
}

.stage-card.featured {
  min-height: 426px;
  transform: translateY(-10px);
  background:
    linear-gradient(180deg, rgba(12, 112, 215, 0.2), rgba(40, 214, 196, 0.06)),
    var(--surface-strong);
  box-shadow: inset 0 1px 0 rgba(237, 248, 247, 0.08);
}

.stage-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.stage-number {
  color: rgba(237, 248, 247, 0.22);
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
}

.stage-card .tech-icon {
  width: 42px;
  height: 42px;
}

.stage-card h3 {
  margin-bottom: 14px;
  font-size: 1.55rem;
  line-height: 1.25;
}

.stage-card p {
  margin-bottom: 22px;
  color: var(--muted);
  line-height: 1.8;
}

.stage-jump {
  position: relative;
  z-index: 1;
  display: inline-flex;
  width: fit-content;
  margin-top: auto;
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 900;
}

.flow-arrow {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 82px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
}

.flow-arrow::before {
  width: 58px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), rgba(40, 214, 196, 0.18));
  box-shadow: 0 0 20px rgba(40, 214, 196, 0.38);
  content: "";
}

.flow-arrow::after {
  position: absolute;
  top: 50%;
  right: 17px;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.flow-arrow span {
  position: absolute;
  top: calc(50% + 24px);
  color: var(--muted);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.curriculum-core {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) minmax(280px, 0.78fr);
  gap: 18px;
  align-items: center;
  padding: 24px;
  border: 1px solid var(--accent-line);
  border-radius: var(--radius);
  background:
    linear-gradient(115deg, rgba(40, 214, 196, 0.16), transparent 54%),
    var(--surface-strong);
}

.core-logo {
  display: grid;
  place-items: center;
  min-height: 156px;
  padding: 20px;
  border: 1px solid rgba(135, 225, 217, 0.18);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 22%, rgba(237, 248, 247, 0.18), transparent 40%),
    rgba(2, 9, 11, 0.55);
}

.core-logo img {
  width: min(100%, 220px);
  filter:
    drop-shadow(0 0 1px rgba(237, 248, 247, 0.9))
    drop-shadow(0 16px 28px rgba(0, 0, 0, 0.34));
}

.course-gateway {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.course-entry {
  position: relative;
  overflow: hidden;
  display: grid;
  align-content: start;
  min-height: 260px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 18% 0%, rgba(40, 214, 196, 0.18), transparent 36%),
    linear-gradient(180deg, rgba(237, 248, 247, 0.05), rgba(237, 248, 247, 0.018)),
    var(--surface);
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    background 220ms ease,
    box-shadow 220ms ease;
}

.course-entry::before {
  position: absolute;
  inset: auto 22px 22px auto;
  width: 124px;
  height: 124px;
  border: 1px solid var(--accent-line);
  border-radius: var(--radius);
  content: "";
  opacity: 0.48;
  transform: rotate(16deg);
}

.course-entry::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 0 46%, rgba(40, 214, 196, 0.16) 47%, transparent 62%),
    radial-gradient(circle at var(--entry-x, 50%) var(--entry-y, 50%), rgba(57, 241, 223, 0.2), transparent 36%);
  content: "";
  opacity: 0;
  transition: opacity 220ms ease;
}

.course-entry:hover,
.course-entry:focus-visible {
  border-color: rgba(40, 214, 196, 0.48);
  outline: 0;
  transform: translateY(-7px);
  box-shadow: 0 26px 70px rgba(0, 24, 28, 0.36);
}

.course-entry:hover::after,
.course-entry:focus-visible::after {
  opacity: 1;
}

.course-entry > * {
  position: relative;
  z-index: 1;
}

.entry-index {
  color: rgba(237, 248, 247, 0.22);
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1;
}

.course-entry .tech-icon {
  width: 48px;
  height: 48px;
  margin: 18px 0 28px;
}

.course-entry strong {
  margin-bottom: 12px;
  font-size: 1.5rem;
  line-height: 1.25;
}

.course-entry p {
  margin: 0 0 20px;
  color: var(--muted);
  line-height: 1.72;
}

.course-entry em {
  width: fit-content;
  margin-top: auto;
  color: var(--accent);
  font-style: normal;
  font-weight: 900;
}

.primary-entry {
  background:
    radial-gradient(circle at 18% 0%, rgba(40, 214, 196, 0.22), transparent 36%),
    linear-gradient(180deg, rgba(237, 248, 247, 0.06), rgba(237, 248, 247, 0.02)),
    var(--surface-strong);
}

.adult-entry {
  background:
    radial-gradient(circle at 16% 0%, rgba(22, 118, 216, 0.22), transparent 38%),
    linear-gradient(180deg, rgba(237, 248, 247, 0.05), rgba(237, 248, 247, 0.018)),
    var(--surface);
}

.plan-entry {
  background:
    radial-gradient(circle at 20% 0%, rgba(57, 241, 223, 0.16), transparent 40%),
    linear-gradient(180deg, rgba(12, 112, 215, 0.1), rgba(237, 248, 247, 0.018)),
    var(--surface);
}

.course-page .site-header {
  view-transition-name: site-header;
}

.course-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 32px;
  align-items: center;
  min-height: calc(100dvh - 72px);
  padding-block: 96px 72px;
}

.course-hero::before {
  position: absolute;
  inset: 64px 0 52px;
  z-index: 0;
  border: 1px solid rgba(135, 225, 217, 0.14);
  border-radius: var(--radius);
  background:
    linear-gradient(115deg, rgba(40, 214, 196, 0.12), transparent 36%),
    rgba(237, 248, 247, 0.018);
  content: "";
  pointer-events: none;
}

.course-hero-copy,
.course-hero-panel {
  position: relative;
  z-index: 2;
}

.course-hero h1 {
  max-width: 920px;
}

.course-hero-actions {
  position: relative;
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.course-hero-actions .button {
  position: relative;
  z-index: 5;
}

.course-hero-panel {
  overflow: hidden;
  min-height: 420px;
  padding: 34px;
  border: 1px solid var(--accent-line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 16% 0%, rgba(40, 214, 196, 0.18), transparent 42%),
    var(--surface-strong);
  box-shadow: 0 30px 90px rgba(0, 24, 28, 0.38);
}

.course-hero-panel > *:not(.course-hero-canvas):not(.panel-orbit) {
  position: relative;
  z-index: 1;
}

.course-hero-panel .course-hero-canvas {
  opacity: 0.54;
}

.partner-hero-panel {
  display: grid;
  align-content: center;
}

.panel-partner-logo {
  min-height: 128px;
  margin-bottom: 24px;
}

.panel-partner-logo img {
  width: min(100%, 340px);
}

.course-hero-panel .tech-icon {
  width: 68px;
  height: 68px;
  margin-bottom: 28px;
}

.course-hero-panel strong {
  display: block;
  margin-bottom: 14px;
  font-size: 1.82rem;
  line-height: 1.2;
}

.course-hero-panel p {
  margin-bottom: 26px;
  color: var(--muted);
  line-height: 1.8;
}

.panel-orbit {
  position: absolute;
  right: -80px;
  bottom: -90px;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(40, 214, 196, 0.28);
  border-radius: 50%;
}

.panel-orbit::before,
.panel-orbit::after {
  position: absolute;
  border: 1px solid rgba(22, 118, 216, 0.24);
  border-radius: 50%;
  content: "";
}

.panel-orbit::before {
  inset: 34px;
}

.panel-orbit::after {
  inset: 78px;
}

.panel-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.panel-tags span {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(237, 248, 247, 0.045);
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 800;
}

.course-detail,
.project-section {
  padding-block: 96px;
}

.course-ladder {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.course-ladder article,
.project-grid article,
.plan-map article,
.evidence-grid article {
  position: relative;
  overflow: hidden;
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(237, 248, 247, 0.055), rgba(237, 248, 247, 0.018)),
    var(--bg-raised);
}

.course-ladder article::after,
.project-grid article::after,
.plan-map article::after,
.evidence-grid article::after {
  position: absolute;
  right: -42px;
  bottom: -42px;
  width: 132px;
  height: 132px;
  border: 1px solid rgba(40, 214, 196, 0.22);
  border-radius: var(--radius);
  content: "";
  transform: rotate(18deg);
}

.course-ladder span,
.evidence-grid span {
  display: block;
  margin-bottom: 28px;
  color: rgba(237, 248, 247, 0.24);
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
}

.course-ladder h3,
.project-grid h3,
.plan-map h3,
.evidence-grid h3 {
  margin-bottom: 12px;
  font-size: 1.42rem;
  line-height: 1.25;
}

.course-ladder p,
.project-grid p,
.plan-map p,
.evidence-grid p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.78;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(280px, 0.72fr);
  gap: 32px;
  align-items: end;
  margin-bottom: 34px;
}

.split-heading h2 {
  font-size: 2.8rem;
  line-height: 1.1;
}

.split-heading p {
  color: var(--muted);
  line-height: 1.8;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.project-grid .tech-icon,
.plan-map .tech-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 22px;
}

.plan-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.plan-map article {
  min-height: 330px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.plan-map strong {
  position: relative;
  z-index: 1;
  display: block;
  margin-top: 22px;
  color: var(--accent);
  line-height: 1.55;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.evidence-grid article {
  min-height: 260px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 360ms;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.core-copy h3 {
  margin-bottom: 10px;
  font-size: 1.55rem;
}

.core-copy p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.75;
}

.core-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.core-points span {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(237, 248, 247, 0.04);
  color: var(--text);
  font-weight: 800;
}

.masked-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.phone-toggle {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.phone-toggle:hover,
.phone-toggle:focus-visible {
  border-color: var(--accent);
  background: rgba(40, 214, 196, 0.2);
}

.phone-value[hidden] {
  display: none;
}

.roadmap {
  grid-template-columns: 1.12fr 0.88fr;
}

.roadmap-copy h2::before {
  display: block;
  width: fit-content;
  margin-bottom: 14px;
  padding: 7px 11px;
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  content: "元码智能主导";
  font-size: 0.86rem;
  font-weight: 800;
  line-height: 1.2;
}

.roadmap-track article {
  background:
    linear-gradient(90deg, rgba(40, 214, 196, 0.16), transparent 48%),
    rgba(237, 248, 247, 0.04);
}

.reveal {
  opacity: 0;
  filter: blur(12px);
  transform: translateY(34px) scale(0.985);
}

.reveal.is-visible {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0) scale(1);
  transition:
    opacity 760ms cubic-bezier(0.16, 1, 0.3, 1),
    filter 760ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 760ms cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

.matrix-grid.reveal > *,
.pathway.reveal > *,
.curriculum-flow.reveal > *,
.course-gateway.reveal > *,
.advantage-list.reveal > *,
.cooperation-options.reveal > *,
.expansion-grid.reveal > *,
.roadmap-track.reveal > *,
.course-ladder.reveal > *,
.project-grid.reveal > *,
.plan-map.reveal > *,
.evidence-grid.reveal > * {
  opacity: 0;
  transform: translateY(22px);
}

.matrix-grid.reveal.is-visible > *,
.pathway.reveal.is-visible > *,
.curriculum-flow.reveal.is-visible > *,
.course-gateway.reveal.is-visible > *,
.advantage-list.reveal.is-visible > *,
.cooperation-options.reveal.is-visible > *,
.expansion-grid.reveal.is-visible > *,
.roadmap-track.reveal.is-visible > *,
.course-ladder.reveal.is-visible > *,
.project-grid.reveal.is-visible > *,
.plan-map.reveal.is-visible > *,
.evidence-grid.reveal.is-visible > * {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 640ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 640ms cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

@media (prefers-reduced-motion: no-preference) {
  .hero-visual.reveal {
    --reveal-delay: 110ms;
  }

  .proof-strip.reveal {
    --reveal-delay: 180ms;
  }

  .orbit-one {
    animation: slow-spin 18s linear infinite;
  }

  .orbit-two {
    animation: slow-spin-reverse 22s linear infinite;
  }

  .hero-logo {
    animation: logo-float 7s ease-in-out infinite;
  }
}

@keyframes slow-spin {
  from {
    transform: rotate(26deg);
  }

  to {
    transform: rotate(386deg);
  }
}

@keyframes slow-spin-reverse {
  from {
    transform: rotate(-23deg);
  }

  to {
    transform: rotate(-383deg);
  }
}

@keyframes logo-float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

@keyframes rail-node {
  0% {
    top: -28px;
    opacity: 0;
  }

  14%,
  82% {
    opacity: 1;
  }

  100% {
    top: calc(100% + 28px);
    opacity: 0;
  }
}

@keyframes page-wipe {
  0% {
    transform: translateX(-115%) skewX(-13deg);
  }

  56%,
  100% {
    transform: translateX(0%) skewX(-13deg);
  }
}

@keyframes transition-label {
  0% {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }

  35%,
  78% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }

  100% {
    opacity: 0;
    transform: translateY(-10px) scale(0.98);
  }
}

@keyframes section-scan {
  0% {
    opacity: 0;
    transform: translateX(-100%);
  }

  18% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translateX(100%);
  }
}

@keyframes section-pulse {
  0% {
    filter: drop-shadow(0 0 0 rgba(40, 214, 196, 0));
  }

  22% {
    filter: drop-shadow(0 0 28px rgba(40, 214, 196, 0.2));
  }

  100% {
    filter: drop-shadow(0 0 0 rgba(40, 214, 196, 0));
  }
}

@media (min-width: 1280px) {
  .ambient-rail {
    display: grid;
  }
}

@media (max-width: 1480px) and (min-width: 861px) {
  .section-dock {
    display: none;
  }
}

@media (min-width: 1540px) {
  :root {
    --max: 1440px;
  }
}

@media (max-width: 1080px) {
  h1 {
    font-size: 4.2rem;
  }

  .hero {
    grid-template-columns: 1fr 0.92fr;
    gap: 34px;
  }

  .pathway {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .matrix-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .matrix-main {
    grid-column: span 2;
    min-height: 340px;
  }

  .pathway article:nth-child(2),
  .pathway article:nth-child(3) {
    margin-top: 0;
  }

  .bento-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .curriculum-detail,
  .contact-grid,
  .curriculum-core,
  .course-gateway,
  .project-grid,
  .plan-map,
  .evidence-grid,
  .expansion-grid {
    grid-template-columns: 1fr;
  }

  .course-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-block: 80px 56px;
  }

  .course-hero-panel {
    min-height: 320px;
  }

  .course-ladder {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split-heading {
    grid-template-columns: 1fr;
  }

  .curriculum-flow {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 16px;
  }

  .stage-card.featured {
    min-height: 338px;
    transform: none;
  }

  .certificate-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-arrow {
    min-height: 44px;
    writing-mode: horizontal-tb;
  }

  .flow-arrow::before {
    width: 1px;
    height: 30px;
    background: linear-gradient(180deg, var(--accent), transparent);
  }

  .flow-arrow::after {
    top: auto;
    right: 50%;
    bottom: 4px;
    transform: translateX(50%) rotate(135deg);
  }

  .flow-arrow span {
    top: 50%;
    left: calc(50% + 18px);
    transform: translateY(-50%);
  }

  .bento-cell.large,
  .bento-cell.accent-cell {
    grid-column: span 2;
  }

  .bento-cell.tall {
    grid-row: span 1;
  }
}

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: minmax(0, auto) auto;
    justify-content: space-between;
    gap: 14px;
    width: 100%;
    max-width: 100vw;
  }

  .nav-links {
    display: none;
  }

  body:not(.course-page) .site-header {
    grid-template-columns: auto 1fr auto;
  }

  body:not(.course-page) .nav-links {
    display: flex;
    justify-content: center;
    gap: 10px;
    overflow-x: auto;
    padding: 2px;
    scrollbar-width: none;
  }

  body:not(.course-page) .nav-links::-webkit-scrollbar {
    display: none;
  }

  body:not(.course-page) .nav-links a {
    padding: 7px 9px;
    border-radius: 999px;
    font-size: 0.86rem;
  }

  .section-dock {
    top: 72px;
    right: 0;
    left: 0;
    width: 100%;
    padding: 8px 16px;
  }

  .dock-group {
    position: static;
    display: none;
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    align-items: center;
    overflow-x: auto;
    width: 100%;
    padding: 8px;
    border-inline: 0;
    border-radius: 0;
    scrollbar-width: none;
    transform: none;
  }

  .dock-group::-webkit-scrollbar {
    display: none;
  }

  .dock-group.is-active {
    display: grid;
  }

  .dock-group span {
    padding: 0 10px 0 0;
    border-bottom: 0;
    border-right: 1px solid rgba(135, 225, 217, 0.14);
    white-space: nowrap;
  }

  .dock-group .dock-divider {
    margin-top: 0;
    padding: 0 10px 0 14px;
    border-top: 0;
    border-left: 1px solid rgba(135, 225, 217, 0.18);
    border-right: 1px solid rgba(135, 225, 217, 0.14);
  }

  .course-page .site-header {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .course-page .brand {
    grid-column: 1;
  }

  .course-page .nav-cta {
    display: inline-flex;
    grid-column: 2;
    padding-inline: 15px;
  }

  .course-page .nav-links {
    grid-column: 1 / -1;
    display: flex;
    justify-content: flex-start;
    order: 3;
    gap: 8px;
    width: 100%;
    overflow-x: auto;
    padding: 4px 2px 2px;
    scrollbar-width: none;
  }

  .course-page .nav-links::-webkit-scrollbar {
    display: none;
  }

  .course-page .nav-links a {
    padding: 8px 11px;
    border: 1px solid rgba(135, 225, 217, 0.14);
    border-radius: 999px;
    background: rgba(237, 248, 247, 0.035);
    font-size: 0.86rem;
  }

  .course-page .nav-links a.is-active,
  .course-page .nav-links a.nav-home {
    border-color: var(--accent-line);
    background: rgba(40, 214, 196, 0.1);
    color: var(--text);
  }

  .course-page .nav-links a.is-active::after {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 76px;
  }

  .hero-copy,
  .hero-visual {
    min-width: 0;
  }

  h1 {
    font-size: 3.35rem;
  }

  .hero-subtitle {
    font-size: 1.02rem;
  }

  .visual-stage {
    width: min(100%, 520px);
    margin-inline: auto;
  }

  .proof-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 0;
  }

  .proof-strip div:nth-child(2) {
    border-right: 0;
  }

  .proof-strip div:nth-child(1),
  .proof-strip div:nth-child(2) {
    border-bottom: 1px solid var(--line);
  }

  .positioning,
  .matrix,
  .system,
  .founder,
  .advantages,
  .cooperation,
  .roadmap {
    padding-block: 76px;
  }

  .founder {
    padding-bottom: 46px;
  }

  .advantages {
    padding-top: 48px;
  }

  .section-heading h2,
  .matrix-intro h2,
  .statement h2,
  .roadmap-copy h2,
  .footer-brand h2 {
    font-size: 2.35rem;
  }

  .cooperation-layout,
  .founder-layout,
  .partner-card,
  .curriculum-core,
  .roadmap,
  .site-footer,
  .footer-brand {
    grid-template-columns: 1fr;
  }

  .footer-logo-plate {
    width: min(100%, 220px);
  }

  .evidence-copy {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .evidence-copy p:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .section-shell {
    width: min(calc(100% - 32px), var(--max));
  }

  .site-header {
    min-height: 64px;
    padding-inline: 16px;
  }

  .brand span {
    font-size: 0.98rem;
  }

  .brand {
    min-width: 0;
  }

  .brand img {
    width: 36px;
    height: 30px;
  }

  body:not(.course-page) .nav-cta {
    display: none;
  }

  .course-page .nav-cta {
    min-height: 36px;
    padding-inline: 12px;
    font-size: 0.86rem;
  }

  h1 {
    max-width: 8.5em;
    font-size: 2.05rem;
    line-height: 1.12;
  }

  .eyebrow {
    max-width: 100%;
    font-size: 0.78rem;
    line-height: 1.35;
    white-space: normal;
  }

  .hero {
    gap: 30px;
    padding-top: 58px;
    padding-bottom: 38px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    gap: 10px;
  }

  .button {
    width: 100%;
    flex: initial;
    min-width: 0;
    padding-inline: 10px;
    font-size: 0.95rem;
  }

  .visual-stage {
    width: min(100%, 350px);
    aspect-ratio: 1;
  }

  .hero-logo {
    width: 68%;
  }

  .proof-strip,
  .matrix-grid,
  .pathway,
  .bento-grid,
  .course-gateway,
  .course-ladder,
  .project-grid,
  .plan-map,
  .evidence-grid,
  .certificate-grid,
  .advantage-list,
  .cooperation-options,
  .expansion-grid {
    grid-template-columns: 1fr;
  }

  .proof-strip div {
    grid-template-columns: 36px 1fr;
    padding: 22px;
  }

  .section-heading h2,
  .matrix-intro h2,
  .statement h2,
  .roadmap-copy h2,
  .split-heading h2 {
    font-size: 1.95rem;
    line-height: 1.18;
  }

  .section-heading p,
  .matrix-intro p,
  .roadmap-copy p,
  .footer-brand p,
  .hero-subtitle {
    font-size: 0.98rem;
    line-height: 1.78;
  }

  .matrix-grid {
    gap: 12px;
  }

  .evidence-copy {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 20px;
  }

  .evidence-copy .tech-icon {
    width: 46px;
    height: 46px;
  }

  .matrix-card,
  .bento-cell,
  .stage-card,
  .course-entry,
  .course-ladder article,
  .project-grid article,
  .plan-map article,
  .evidence-grid article,
  .expansion-grid article,
  .pathway article,
  .advantage-list article,
  .cooperation-options article,
  .founder-card,
  .evidence-copy,
  .certificate-card,
  .partner-card,
  .curriculum-detail article {
    padding: 22px;
  }

  .certificate-frame,
  .certificate-frame.portrait {
    aspect-ratio: 1.24;
    max-height: none;
    padding: 8px;
  }

  .course-hero {
    padding-block: 58px 42px;
  }

  .course-hero::before {
    inset: 28px 0 24px;
  }

  .course-hero h1 {
    font-size: 2.35rem;
  }

  .course-hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .course-hero-panel {
    min-height: 280px;
    padding: 24px;
  }

  .panel-orbit {
    right: -150px;
    bottom: -150px;
    width: 230px;
    height: 230px;
  }

  .course-detail,
  .project-section {
    padding-block: 58px;
  }

  .matrix-card::after,
  .bento-cell::after,
  .stage-card::after,
  .cooperation-panel::after,
  .founder-card::after,
  .pathway::before {
    display: none;
  }

  .proof-strip div,
  .proof-strip div:nth-child(2) {
    border-right: 0;
  }

  .proof-strip div:not(:last-child) {
    border-bottom: 1px solid var(--line);
  }

  .bento-cell.large,
  .matrix-main,
  .bento-cell.accent-cell,
  .cooperation-options article:last-child {
    grid-column: span 1;
  }

  .matrix-main {
    grid-row: span 1;
    min-height: 286px;
  }

  .matrix-main .tech-icon {
    width: 54px;
    height: 54px;
  }

  .matrix-main h3 {
    font-size: 1.65rem;
  }

  .roadmap-track article {
    grid-template-columns: 42px 1fr;
    gap: 8px;
  }

  .roadmap-track article p {
    grid-column: 1 / -1;
  }

  .signal-card {
    padding: 7px 9px;
    font-size: 0.72rem;
  }

  .signal-card::after {
    display: none;
  }

  .founder-card h3 {
    font-size: 1.58rem;
  }

  .founder-tags span {
    min-height: auto;
  }

  .partner-logo {
    min-height: 132px;
    padding: 12px;
  }

  .mini-logo-card {
    min-height: 150px;
  }

  .core-logo {
    min-height: 138px;
  }

  .core-points {
    grid-template-columns: 1fr;
  }

  .masked-phone {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-brand h2 {
    font-size: 2rem;
  }
}

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

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}

.site-page .site-header,
.course-page .site-header {
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.site-page .nav-links,
.course-page .nav-links {
  min-width: 0;
}

.site-page .section-dock,
.course-page .section-dock {
  display: block;
}

.site-page .home-section > .section-heading,
.site-page .home-section > .matrix-intro,
.site-page .home-section > .roadmap-copy,
.site-page .home-section > .statement,
.course-page .home-section > .section-heading,
.course-page .home-section > .matrix-intro,
.course-page .home-section > .roadmap-copy,
.course-page .home-section > .statement {
  max-width: 920px;
}

.consulting-page #contact {
  margin-block: 24px 0;
}

.consulting-page #contact.home-section {
  padding-block: 56px;
}

.consulting-page .site-footer + .cooperation {
  padding-top: 64px;
}

.consulting-page .course-hero {
  min-height: auto;
  padding-block: 72px 40px;
}

.consulting-page .course-hero-panel {
  min-height: 460px;
}

.consulting-fast-contact {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  margin: 18px 0 20px;
}

.consulting-fast-contact a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid rgba(135, 225, 217, 0.18);
  border-radius: var(--radius);
  background: rgba(237, 248, 247, 0.045);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.consulting-fast-contact a:hover,
.consulting-fast-contact a:focus-visible {
  border-color: var(--accent-line);
  background: rgba(40, 214, 196, 0.1);
  outline: 0;
  transform: translateY(-2px);
}

.consulting-fast-contact .tech-icon {
  width: 30px;
  height: 30px;
  margin-bottom: 0;
}

.consulting-fast-contact strong {
  margin-bottom: 0;
  font-size: 1rem;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.consulting-fast-contact em {
  color: var(--accent);
  font-size: 0.78rem;
  font-style: normal;
  font-weight: 900;
  white-space: nowrap;
}

.consulting-info-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.consulting-info-grid article {
  min-height: 220px;
}

.consulting-page .cooperation {
  padding-block: 76px;
}

.consulting-form-section {
  position: relative;
  overflow: hidden;
}

.consulting-form-section::before {
  position: absolute;
  inset: 12% auto auto 8%;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(40, 214, 196, 0.14);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(40, 214, 196, 0.12), transparent 64%);
  content: "";
  pointer-events: none;
}

.consulting-form {
  position: relative;
  display: grid;
  gap: 18px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(40, 214, 196, 0.1), transparent 44%),
    linear-gradient(315deg, rgba(12, 112, 215, 0.1), transparent 42%),
    rgba(9, 22, 25, 0.78);
  box-shadow: 0 30px 90px rgba(0, 24, 28, 0.28);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.consulting-form label {
  display: grid;
  gap: 8px;
}

.consulting-form label > span {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 800;
}

.consulting-form input,
.consulting-form select,
.consulting-form textarea {
  width: 100%;
  border: 1px solid rgba(135, 225, 217, 0.18);
  border-radius: var(--radius);
  background: rgba(2, 9, 11, 0.62);
  color: var(--text);
  font: inherit;
  outline: 0;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.consulting-form input,
.consulting-form select {
  min-height: 48px;
  padding: 0 14px;
}

.consulting-form textarea {
  min-height: 104px;
  padding: 13px 14px;
  resize: vertical;
}

.consulting-form input::placeholder,
.consulting-form textarea::placeholder {
  color: rgba(159, 183, 182, 0.66);
}

.consulting-form input:focus,
.consulting-form select:focus,
.consulting-form textarea:focus {
  border-color: var(--accent-line);
  background: rgba(2, 9, 11, 0.82);
  box-shadow: 0 0 0 3px rgba(40, 214, 196, 0.08);
}

.form-wide {
  grid-column: 1 / -1;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.consulting-output {
  min-height: 124px;
  padding: 18px;
  border: 1px dashed rgba(135, 225, 217, 0.24);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(135deg, rgba(237, 248, 247, 0.035) 0 1px, transparent 1px 18px),
    rgba(2, 9, 11, 0.42);
}

.consulting-output h3 {
  margin-bottom: 8px;
  font-size: 1.06rem;
}

.consulting-output p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.consulting-output pre {
  max-height: 300px;
  margin: 0;
  overflow: auto;
  color: var(--muted);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.72;
  white-space: pre-wrap;
}

.founder-page .founder-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.founder-page .founder-evidence {
  margin-top: 0;
}

.founder-page .expansion-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.growth-page .roadmap {
  grid-template-columns: 0.88fr 1.12fr;
}

.partners-page .partner-card {
  margin-bottom: 0;
}

@media (max-width: 1120px) {
  .site-page .site-header,
  .course-page .site-header {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .site-page .brand,
  .course-page .brand {
    grid-column: 1;
  }

  .site-page .nav-cta,
  .course-page .nav-cta {
    grid-column: 2;
  }

  .site-page .nav-links,
  .course-page .nav-links {
    grid-column: 1 / -1;
    display: flex;
    justify-content: flex-start;
    order: 3;
    gap: 8px;
    width: 100%;
    overflow-x: auto;
    padding: 4px 2px 2px;
    scrollbar-width: none;
  }

  .site-page .nav-links::-webkit-scrollbar,
  .course-page .nav-links::-webkit-scrollbar {
    display: none;
  }

  .site-page .nav-links a,
  .course-page .nav-links a {
    padding: 8px 11px;
    border: 1px solid rgba(135, 225, 217, 0.14);
    background: rgba(237, 248, 247, 0.035);
    font-size: 0.86rem;
  }

  .site-page .nav-links a.is-active,
  .course-page .nav-links a.is-active {
    border-color: var(--accent-line);
    background: rgba(40, 214, 196, 0.1);
  }

  .site-page .nav-links a.is-active::after,
  .course-page .nav-links a.is-active::after {
    display: none;
  }

  .founder-page .founder-layout,
  .founder-page .expansion-grid,
  .growth-page .roadmap {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .site-page .nav-links,
  .course-page .nav-links {
    display: flex;
  }

  .site-page .nav-cta,
  .course-page .nav-cta {
    display: inline-flex;
  }

  .course-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 92px;
  }

  .course-hero-panel {
    min-height: 360px;
  }

  .founder-page .expansion-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-page .site-header,
  .course-page .site-header {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .site-page .nav-cta,
  .course-page .nav-cta {
    min-height: 36px;
    padding-inline: 12px;
    font-size: 0.84rem;
  }

  .site-page .nav-links a,
  .course-page .nav-links a {
    padding: 7px 9px;
    font-size: 0.82rem;
  }

  .course-title span,
  .hero-title span {
    white-space: normal;
  }

  .course-hero {
    padding-top: 82px;
  }

  .course-hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .course-switcher {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
    min-width: 0;
  }

  .course-hero-panel {
    min-height: 300px;
    padding: 24px;
  }

  .consulting-fast-contact a {
    grid-template-columns: 30px minmax(0, 1fr);
  }

  .consulting-fast-contact em {
    grid-column: 2;
  }

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

  .form-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .consulting-form {
    padding: 20px;
  }

  .partner-info p,
  .contact-grid span,
  .contact-grid a {
    word-break: break-word;
  }
}