@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800;900&display=swap");

:root {
  --bg: #0c0c0c;
  --panel: #0e1115;
  --white: #ffffff;
  --muted: rgba(255, 255, 255, 0.56);
  --faint: rgba(255, 255, 255, 0.36);
  --line: rgba(255, 255, 255, 0.11);
  --brand: #3d81e3;
  --ice: #a4f4fd;
  --font: "DM Sans", Inter, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--white);
  background: var(--bg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

section[id],
.profile-window-wrap[id] {
  scroll-margin-top: 88px;
}

button,
summary {
  font: inherit;
}

::selection {
  background: rgba(61, 129, 227, 0.35);
}

.container {
  width: min(calc(100% - 3rem), 1152px);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  color: #000;
  background: #fff;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.page-background {
  position: fixed;
  z-index: -3;
  inset: 0;
  pointer-events: none;
}

.page-background video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.56;
}

.video-shade,
.video-vignette {
  position: absolute;
  inset: 0;
}

.video-shade {
  background: rgba(4, 6, 9, 0.55);
}

.video-vignette {
  background:
    linear-gradient(to bottom, rgba(12, 12, 12, 0.05), rgba(12, 12, 12, 0.58) 76%, #0c0c0c 100%),
    radial-gradient(circle at center, transparent 30%, rgba(0, 0, 0, 0.48) 100%);
}

.guide {
  position: fixed;
  z-index: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(255, 255, 255, 0.07);
  pointer-events: none;
}

.guide-left {
  left: calc(50% - 576px);
}

.guide-right {
  right: calc(50% - 576px);
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 1rem;
  left: 50%;
  width: min(calc(100% - 2rem), 1152px);
  height: 62px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0.45rem 0.5rem 0.45rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 10, 13, 0.52);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px) saturate(130%);
  transform: translateX(-50%);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.site-header.scrolled {
  background: rgba(8, 10, 13, 0.82);
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  width: max-content;
  font-size: 0.82rem;
  font-weight: 600;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.68rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
}

.main-nav a {
  position: relative;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.78rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: #fff;
}

.main-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -0.3rem;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transition: transform 0.25s ease;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

.header-cta {
  justify-self: end;
  padding: 0.78rem 1.1rem;
  color: #000;
  border-radius: 999px;
  background: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  transition: transform 0.2s ease, background 0.2s ease;
}

.header-cta:hover {
  background: #eef7ff;
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  color: #fff;
  border: 0;
  background: none;
}

.hero {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  padding-top: clamp(9rem, 18vh, 12rem);
  padding-bottom: 6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-status {
  width: min(100%, 520px);
  display: flex;
  justify-content: space-between;
  margin-bottom: 2.2rem;
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-status span:first-child {
  color: rgba(255, 255, 255, 0.75);
}

.hero-status i {
  width: 6px;
  height: 6px;
  display: inline-block;
  margin-right: 0.4rem;
  border-radius: 50%;
  background: #78d99c;
  box-shadow: 0 0 0 4px rgba(120, 217, 156, 0.1);
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.75rem, 7vw, 7rem);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.065em;
}

.hero h1 span {
  display: block;
}

.shiny-text {
  padding-bottom: 0.08em;
  background-image: linear-gradient(to right, #091020 0%, #0b2551 13%, #a4f4fd 32%, #00d2ff 50%, #4d85d6 68%, #091020 88%, #091020 100%);
  background-size: 200% auto;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: shiny 10s linear infinite;
}

.hero-intro {
  max-width: 620px;
  margin: 2rem 0 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.96rem;
  line-height: 1.65;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
  margin-top: 2rem;
}

.button {
  min-width: 158px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 0.88rem 1.1rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 600;
  transition: transform 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-light {
  color: #000;
  background: #fff;
}

.button-light:hover {
  background: #eef7ff;
}

.button-glass {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
}

.button-glass:hover {
  background: rgba(255, 255, 255, 0.08);
}

.liquid-glass {
  position: relative;
  border: 0;
  background: rgba(255, 255, 255, 0.025);
  background-blend-mode: luminosity;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(14px) saturate(120%);
  overflow: hidden;
}

.liquid-glass::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.36) 0%, rgba(255, 255, 255, 0.1) 20%, transparent 42%, transparent 60%, rgba(255, 255, 255, 0.08) 80%, rgba(255, 255, 255, 0.3) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.profile-window-wrap {
  position: relative;
  z-index: 2;
  padding-bottom: 7rem;
}

.window-bar {
  height: 40px;
  padding: 0 1rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 18px 18px 0 0;
  background: rgba(0, 0, 0, 0.48);
  backdrop-filter: blur(18px);
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.62rem;
}

.window-state {
  justify-self: end;
}

.traffic-lights {
  display: flex;
  gap: 0.4rem;
}

.traffic-lights i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.traffic-lights i:nth-child(1) { background: #ff5f57; }
.traffic-lights i:nth-child(2) { background: #febc2e; }
.traffic-lights i:nth-child(3) { background: #28c840; }

.profile-window {
  min-height: 520px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 280px;
  border-radius: 0 0 20px 20px;
  background: rgba(10, 13, 17, 0.82);
}

.profile-sidebar {
  padding: 1.3rem;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.22);
}

.sidebar-person {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--line);
}

.person-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, #0b2551, #00a9cf);
  font-size: 0.68rem;
  font-weight: 700;
}

.sidebar-person > div:last-child {
  display: flex;
  flex-direction: column;
}

.sidebar-person strong {
  font-size: 0.76rem;
  font-weight: 600;
}

.sidebar-person span {
  color: var(--faint);
  font-size: 0.61rem;
}

.profile-sidebar nav {
  display: grid;
  gap: 0.35rem;
  margin-top: 1.2rem;
}

.profile-sidebar nav a {
  padding: 0.65rem 0.7rem;
  display: flex;
  gap: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  font-size: 0.72rem;
  transition: color 0.2s ease, background 0.2s ease;
}

.profile-sidebar nav a span {
  color: rgba(255, 255, 255, 0.25);
}

.profile-sidebar nav a:hover,
.profile-sidebar nav a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.sidebar-note {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  color: var(--faint);
  font-size: 0.6rem;
}

.profile-main {
  padding: clamp(2rem, 4vw, 3.5rem);
  display: flex;
  flex-direction: column;
}

.panel-eyebrow,
.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-eyebrow span,
.section-eyebrow span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #fff;
}

.section-eyebrow i {
  padding: 0.22rem 0.5rem;
  color: rgba(255, 255, 255, 0.45);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-style: normal;
  letter-spacing: 0;
  text-transform: none;
}

.profile-main h2 {
  max-width: 610px;
  margin: 2rem 0 2.5rem;
  font-size: clamp(2.2rem, 4vw, 4rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.05em;
}

.profile-copy {
  margin-top: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.3rem;
}

.profile-copy p {
  margin: 0;
  padding-top: 1rem;
  color: rgba(255, 255, 255, 0.5);
  border-top: 1px solid var(--line);
  font-size: 0.74rem;
  line-height: 1.6;
}

.profile-data {
  padding: 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-left: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.14);
}

.summary-card {
  min-height: 170px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: 12px;
}

.summary-label {
  color: var(--faint);
  font-size: 0.59rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.summary-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.8rem;
}

.data-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.data-grid article {
  min-height: 110px;
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
}

.data-grid strong {
  font-size: 1.7rem;
  font-weight: 500;
  letter-spacing: -0.05em;
}

.data-grid span {
  color: var(--faint);
  font-size: 0.58rem;
  font-weight: 600;
  text-transform: uppercase;
}

.section {
  position: relative;
  z-index: 1;
  padding-top: clamp(5rem, 9vw, 8rem);
  padding-bottom: clamp(5rem, 9vw, 8rem);
}

.section-intro {
  max-width: 670px;
  margin-bottom: 3rem;
}

.section-intro.centered {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-intro.centered .section-eyebrow {
  justify-content: center;
}

.section-intro h2,
.feature-copy h2,
.final-cta h2 {
  margin: 1.15rem 0 0;
  font-size: clamp(2.6rem, 5vw, 5rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.055em;
}

.section-intro > p,
.feature-copy > p {
  max-width: 520px;
  margin: 1.3rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.now-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}

.glass-card {
  min-height: 330px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  background: rgba(4, 7, 10, 0.38);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), background 0.4s ease;
}

.glass-card:hover,
.stack-card:hover,
.principle-card:hover {
  background: rgba(15, 20, 27, 0.55);
  transform: translateY(-7px);
}

.card-top {
  display: flex;
  justify-content: space-between;
  color: var(--faint);
  font-size: 0.64rem;
  font-weight: 600;
}

.card-top i {
  font-size: 0.9rem;
  font-style: normal;
}

.glass-card h3 {
  margin: auto 0 0.8rem;
  font-size: clamp(1.6rem, 2.7vw, 2.7rem);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.glass-card > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.card-tags,
.feature-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.25rem;
}

.card-tags span,
.feature-chips span {
  padding: 0.35rem 0.6rem;
  color: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  font-size: 0.6rem;
  font-weight: 500;
}

.feature-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: start;
  gap: clamp(3rem, 8vw, 8rem);
}

.feature-copy {
  position: sticky;
  top: 8rem;
}

.timeline-card {
  padding: 1.25rem;
  border-radius: 20px;
  background: rgba(4, 7, 10, 0.42);
}

.timeline-head {
  padding: 0 0.25rem 1rem;
  display: flex;
  justify-content: space-between;
  color: var(--faint);
  border-bottom: 1px solid var(--line);
  font-size: 0.61rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.timeline-item {
  display: grid;
  grid-template-columns: 18px 105px 1fr;
  gap: 1rem;
  padding: 1.6rem 0.25rem;
  border-bottom: 1px solid var(--line);
}

.timeline-item:last-child {
  border-bottom: 0;
}

.timeline-marker {
  position: relative;
  display: flex;
  justify-content: center;
}

.timeline-marker i {
  position: relative;
  z-index: 1;
  width: 8px;
  height: 8px;
  margin-top: 0.3rem;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  background: #18202a;
}

.timeline-item.current .timeline-marker i {
  background: var(--ice);
  box-shadow: 0 0 18px rgba(164, 244, 253, 0.55);
}

.timeline-marker span {
  position: absolute;
  top: 0.8rem;
  bottom: -1.9rem;
  width: 1px;
  background: var(--line);
}

.timeline-date {
  color: var(--faint);
  font-size: 0.63rem;
  font-weight: 600;
}

.role-title {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.role-title h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 500;
}

.role-title span {
  padding: 0.23rem 0.5rem;
  color: #000;
  border-radius: 999px;
  background: #fff;
  font-size: 0.55rem;
  font-weight: 600;
}

.timeline-content p {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.stack-card {
  min-height: 310px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  background: rgba(4, 7, 10, 0.38);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), background 0.4s ease;
}

.stack-number,
.principle-card > span {
  color: var(--faint);
  font-size: 0.62rem;
  font-weight: 600;
}

.stack-card h3 {
  margin: auto 0 0.4rem;
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.045em;
}

.stack-card > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.stack-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.stack-card li {
  padding: 0.36rem 0.62rem;
  color: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.61rem;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin-top: 3rem;
}

.principle-card {
  min-height: 250px;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  background: rgba(4, 7, 10, 0.38);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), background 0.4s ease;
}

.principle-card h3 {
  margin: auto 0 0.7rem;
  font-size: clamp(1.45rem, 2.3vw, 2.3rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.principle-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(3rem, 8vw, 8rem);
}

.faq .section-intro {
  margin: 0;
}

.faq-list {
  padding: 0 1.25rem;
  border-radius: 18px;
  background: rgba(4, 7, 10, 0.38);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list details:last-child {
  border-bottom: 0;
}

.faq-list summary {
  padding: 1.35rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.86rem;
  font-weight: 500;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary span {
  width: 29px;
  height: 29px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  color: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: transform 0.2s ease, background 0.2s ease;
}

.faq-list details[open] summary span {
  color: #000;
  background: #fff;
  transform: rotate(45deg);
}

.faq-list details p {
  max-width: 650px;
  margin: -0.15rem 3rem 1.3rem 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.final-cta {
  position: relative;
  z-index: 1;
  padding-top: 5rem;
  padding-bottom: 8rem;
}

.cta-card {
  min-height: 470px;
  padding: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 28px;
  background: rgba(6, 9, 13, 0.5);
  text-align: center;
}

.cta-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(520px circle at 50% 0%, rgba(164, 244, 253, 0.12), transparent 72%);
  pointer-events: none;
}

.cta-card > p {
  margin: 0 0 1rem;
  color: var(--faint);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cta-card > span {
  max-width: 500px;
  margin-top: 1.2rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(14px);
}

.footer-inner {
  min-height: 74px;
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: center;
  gap: 1rem;
  color: var(--faint);
  font-size: 0.61rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.footer-inner p {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes shiny {
  from { background-position: -200% center; }
  to { background-position: 200% center; }
}

@media (max-width: 1180px) {
  .guide {
    display: none;
  }
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
  }

  .menu-icon,
  .menu-icon::before {
    width: 20px;
    height: 1px;
    display: block;
    background: currentColor;
    transition: transform 0.25s ease;
  }

  .menu-icon::before {
    content: "";
    transform: translateY(5px);
  }

  .menu-toggle[aria-expanded="true"] .menu-icon {
    transform: rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] .menu-icon::before {
    transform: rotate(-90deg);
  }

  .main-nav {
    position: fixed;
    inset: -1px;
    z-index: 1;
    min-height: 100svh;
    padding: 7rem 2rem 3rem;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    border-radius: 2rem;
    background: rgba(8, 12, 17, 0.96);
    backdrop-filter: blur(24px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
  }

  .main-nav.open {
    opacity: 1;
    visibility: visible;
  }

  .main-nav a {
    color: #fff;
    font-size: clamp(2.5rem, 10vw, 5rem);
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.05em;
  }

  .profile-window {
    grid-template-columns: 190px 1fr;
  }

  .profile-data {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .data-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .feature-layout,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .feature-copy {
    position: static;
  }
}

@media (max-width: 700px) {
  .container {
    width: calc(100% - 2rem);
  }

  .site-header {
    top: 0.65rem;
    width: calc(100% - 1.3rem);
    height: 58px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

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

  .page-background video {
    opacity: 0.42;
  }

  .hero {
    min-height: 850px;
    padding-top: 7.5rem;
    padding-bottom: 4rem;
  }

  .hero-status {
    margin-bottom: 2.8rem;
    font-size: 0.56rem;
  }

  .hero h1 {
    font-size: clamp(3.1rem, 15vw, 4.6rem);
  }

  .hero-intro {
    font-size: 0.88rem;
  }

  .profile-window-wrap {
    width: calc(100% - 1rem);
  }

  .window-bar {
    grid-template-columns: 1fr auto;
  }

  .window-state {
    display: none;
  }

  .profile-window {
    grid-template-columns: 1fr;
  }

  .profile-sidebar {
    padding: 1rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .profile-sidebar nav,
  .sidebar-note {
    display: none;
  }

  .profile-main {
    padding: 1.5rem;
  }

  .profile-main h2 {
    margin: 1.5rem 0 2rem;
    font-size: 2.35rem;
  }

  .profile-copy {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .profile-data {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

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

  .now-grid,
  .stack-grid,
  .principle-grid {
    grid-template-columns: 1fr;
  }

  .glass-card,
  .stack-card {
    min-height: 280px;
  }

  .timeline-item {
    grid-template-columns: 18px 1fr;
  }

  .timeline-date {
    grid-column: 2;
  }

  .timeline-content {
    grid-column: 2;
  }

  .section-intro h2,
  .feature-copy h2,
  .final-cta h2 {
    font-size: clamp(2.45rem, 11vw, 3.5rem);
  }

  .cta-card {
    min-height: 430px;
    padding: 2rem 1.25rem;
  }

  .footer-inner {
    grid-template-columns: 1fr auto;
  }

  .footer-inner p:nth-child(2) {
    display: none;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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