:root {
  --bg: #f7f2e8;
  --bg-soft: #f1e9dc;
  --ink: #0a2a33;
  --ink-muted: #34505a;
  --brand: #0e6a73;
  --brand-strong: #0b4b53;
  --accent: #ef5a47;
  --accent-soft: #ff8a7a;
  --line: rgba(10, 42, 51, 0.14);
  --shadow: 0 18px 45px rgba(7, 24, 28, 0.16);
  --radius-xl: 2rem;
  --radius-2xl: 2.75rem;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Sora", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1400px 700px at 5% -10%, #fff4dc 0%, transparent 60%),
    radial-gradient(1200px 600px at 95% -20%, #e3f4f0 0%, transparent 55%),
    var(--bg);
  line-height: 1.5;
}

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

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

.container {
  width: min(var(--max), calc(100% - 2.5rem));
  margin: 0 auto;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  z-index: 30;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.95' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

.site-header {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  width: min(1200px, calc(100% - 1.75rem));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(4, 24, 30, 0.42);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 22px rgba(4, 16, 22, 0.2);
  color: #f7f2e8;
  transition: 220ms ease;
}

.site-header.scrolled {
  background: rgba(4, 24, 30, 0.72);
  backdrop-filter: blur(16px);
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: 0 10px 26px rgba(7, 24, 28, 0.26);
  color: #f7f2e8;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: auto;
  height: 2.15rem;
  max-width: min(80vw, 18.8rem);
  filter: drop-shadow(0 4px 10px rgba(4, 16, 22, 0.2));
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
}

.site-nav a,
.btn {
  transition:
    transform 180ms cubic-bezier(0.25, 0.46, 0.45, 0.94),
    box-shadow 180ms ease,
    background-color 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  transform: translateY(-1px);
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.78rem 1.2rem;
  cursor: pointer;
  overflow: hidden;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px) scale(1.03);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #f47f4d);
  color: #fff;
  box-shadow: 0 10px 24px rgba(239, 90, 71, 0.3);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: 0 14px 32px rgba(239, 90, 71, 0.35);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
  background: rgba(255, 255, 255, 0.09);
}

.btn-nav {
  background: rgba(255, 255, 255, 0.16);
  color: inherit;
  border-color: rgba(255, 255, 255, 0.45);
}

.site-header.scrolled .btn-nav {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.14);
}

.hero {
  position: relative;
  min-height: 100dvh;
  display: grid;
  overflow: hidden;
  border-bottom-left-radius: var(--radius-2xl);
  border-bottom-right-radius: var(--radius-2xl);
}

.hero-image,
.hero-overlay {
  grid-area: 1 / 1;
}

.hero-image {
  background-image: url("https://images.unsplash.com/photo-1612277795421-9bc7706a4a34?auto=format&fit=crop&w=1800&q=80");
  background-size: cover;
  background-position: center;
  filter: saturate(1.08) contrast(1.02);
  transform: scale(1.04);
}

.hero-overlay {
  background:
    radial-gradient(78% 62% at 18% 76%, rgba(3, 13, 18, 0.55) 0%, transparent 72%),
    linear-gradient(112deg, rgba(5, 20, 25, 0.48) 0%, rgba(5, 20, 25, 0.15) 46%, rgba(5, 20, 25, 0) 70%),
    linear-gradient(180deg, rgba(5, 20, 25, 0.6) 0%, rgba(6, 28, 34, 0.85) 58%, rgba(5, 19, 24, 0.94) 100%),
    linear-gradient(120deg, rgba(14, 106, 115, 0.22) 0%, transparent 48%, rgba(239, 90, 71, 0.12) 100%);
}

.hero-content {
  grid-area: 1 / 1;
  position: relative;
  z-index: 2;
  padding-top: 8rem;
  padding-bottom: 4.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
  min-height: 100dvh;
}

.hero-content::before {
  content: "";
  position: absolute;
  left: -1.25rem;
  bottom: 1.2rem;
  width: min(760px, 92%);
  height: clamp(290px, 48vh, 430px);
  z-index: -1;
  border-radius: 2.6rem;
  background:
    linear-gradient(128deg, rgba(5, 21, 27, 0.62), rgba(5, 21, 27, 0.16)),
    radial-gradient(80% 95% at 15% 65%, rgba(0, 0, 0, 0.34), transparent 78%);
  filter: blur(1px);
  pointer-events: none;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: max-content;
  gap: 0.45rem;
  margin: 0;
  padding: 0.42rem 0.68rem;
  border-radius: 999px;
  font: 500 0.74rem/1 "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.eyebrow {
  color: #f4f6f7;
  background: rgba(6, 24, 31, 0.54);
  border-color: rgba(255, 255, 255, 0.42);
  box-shadow: 0 6px 16px rgba(4, 18, 24, 0.25);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45);
}

.eyebrow strong {
  color: #ffe6d5;
  font-weight: 600;
}

.hero h1 {
  margin: 1.05rem 0 0.9rem;
  font-family: "Sora", sans-serif;
  font-size: clamp(2rem, 7.6vw, 5rem);
  letter-spacing: -0.02em;
  line-height: 0.98;
  max-width: 13ch;
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.hero h1 span {
  display: inline-block;
  font-family: "Fraunces", serif;
  font-style: italic;
  font-weight: 600;
  color: #ffe0ce;
  font-size: clamp(2.7rem, 10vw, 6.25rem);
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.hero-copy {
  margin: 0;
  max-width: 63ch;
  font-size: clamp(1rem, 1.2vw, 1.25rem);
  color: #f2f7f8;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.52);
}

.hero-actions {
  margin-top: 1.7rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.hero-meta {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.hero-meta span {
  font: 500 0.8rem/1 "IBM Plex Mono", monospace;
  letter-spacing: 0.02em;
  padding: 0.45rem 0.64rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

section {
  padding: 5.3rem 0;
}

.urgency {
  margin-top: 1.2rem;
}

.urgency-head,
.model-head {
  max-width: 70ch;
}

.urgency-head h2,
.model-head h2,
.mission-text h2,
.contact h2 {
  margin: 0.85rem 0 0;
  font-size: clamp(1.8rem, 4vw, 3.25rem);
  letter-spacing: -0.02em;
  line-height: 1.04;
}

.section-kicker {
  background: color-mix(in srgb, var(--brand) 14%, white 86%);
  color: var(--brand-strong);
  border-color: color-mix(in srgb, var(--brand) 30%, white 70%);
}

.urgency-grid {
  margin-top: 1.7rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card,
.model-card,
.detail,
.mission-panel,
.contact-card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: color-mix(in srgb, white 78%, var(--bg) 22%);
  box-shadow: var(--shadow);
}

.card {
  padding: 1.45rem;
}

.card h3,
.model-card h3,
.detail h3,
.mission-panel h3 {
  margin: 0;
  font-size: 1.15rem;
}

.card p,
.model-card p,
.detail p,
.mission-text p,
.mission-panel li,
.contact-card p {
  margin: 0.75rem 0 0;
  color: var(--ink-muted);
}

.mission {
  padding-top: 3rem;
}

.mission-wrap {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 1rem;
  align-items: stretch;
}

.mission-text {
  border-radius: var(--radius-xl);
  padding: 1.7rem;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.72), rgba(255, 248, 238, 0.92));
  border: 1px solid color-mix(in srgb, var(--brand) 18%, white 82%);
}

.mission-panel {
  padding: 1.6rem;
  background: linear-gradient(160deg, rgba(14, 106, 115, 0.13), rgba(255, 255, 255, 0.9));
}

.mission-panel ul {
  margin: 0.85rem 0 0;
  padding-left: 1.05rem;
}

.mission-panel li + li {
  margin-top: 0.5rem;
}

.model {
  color: #fff;
  position: relative;
}

.model::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(120deg, rgba(6, 36, 42, 0.98) 20%, rgba(8, 56, 64, 0.95) 52%, rgba(8, 33, 39, 0.98) 100%),
    url("https://images.unsplash.com/photo-1607305387299-a3d9611cd469?auto=format&fit=crop&w=1800&q=80") center / cover;
}

.model::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.18;
  background: radial-gradient(500px 280px at 20% 10%, rgba(239, 90, 71, 0.5), transparent 65%);
}

.model .section-kicker {
  color: #d4f5ef;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.26);
}

.model-head h2 {
  max-width: 17ch;
}

.model-grid {
  margin-top: 1.8rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.model-card {
  padding: 1.45rem;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(4px);
}

.model-card p {
  color: rgba(255, 255, 255, 0.9);
}

.step {
  display: inline-block;
  font: 500 0.82rem/1 "IBM Plex Mono", monospace;
  color: #ffe0ce;
  margin-bottom: 0.7rem;
}

.details {
  padding-top: 4rem;
}

.details-wrap {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.detail {
  padding: 1.3rem;
}

.contact {
  padding-top: 3rem;
  padding-bottom: 6rem;
}

.contact-card {
  padding: clamp(1.4rem, 4vw, 2.3rem);
  background:
    linear-gradient(130deg, rgba(255, 255, 255, 0.96), rgba(255, 242, 230, 0.95));
  border-color: color-mix(in srgb, var(--accent) 30%, white 70%);
}

.contact-card h2 {
  max-width: 18ch;
}

.legal-note {
  font-size: 0.86rem;
  line-height: 1.45;
}

.site-footer {
  background:
    linear-gradient(160deg, rgba(6, 34, 42, 0.98), rgba(8, 48, 55, 0.97)),
    url("https://images.unsplash.com/photo-1518005020951-eccb494ad742?auto=format&fit=crop&w=1400&q=80") center / cover;
  color: #d9ecef;
  border-top-left-radius: 3rem;
  border-top-right-radius: 3rem;
  padding: 3.2rem 0 1rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 1.1rem;
  align-items: start;
}

.footer-grid > div {
  min-width: 0;
}

.site-footer p,
.site-footer a {
  color: #d7e8ea;
}

.site-footer a {
  font-weight: 500;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: #ffffff;
}

.footer-brand {
  margin: 0;
  font-family: "Fraunces", serif;
  font-size: clamp(1.25rem, 3vw, 1.8rem);
  color: #f3f8f9;
}

.footer-label {
  font: 500 0.75rem/1 "IBM Plex Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #a7d8dd;
  margin: 0;
}

.footer-grid a {
  display: block;
  margin-top: 0.6rem;
  width: fit-content;
}

.footer-grid a:hover,
.footer-grid a:focus-visible {
  transform: translateY(-1px);
}

.footer-bottom {
  margin-top: 1.4rem;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
  color: #c8dee2;
  font-size: 0.85rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 700ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

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

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 60%, white 40%);
  outline-offset: 2px;
}

@media (max-width: 980px) {
  .site-header {
    width: calc(100% - 1rem);
    padding-inline: 0.8rem;
  }

  .site-nav {
    display: none;
  }

  .mission-wrap,
  .urgency-grid,
  .model-grid,
  .details-wrap,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-content {
    padding-top: 7rem;
  }

  .btn-nav {
    display: none;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(var(--max), calc(100% - 1.2rem));
  }

  .site-header {
    top: 0.6rem;
    gap: 0.6rem;
    padding: 0.65rem 0.8rem;
  }

  .brand-logo {
    height: 1.85rem;
    max-width: 13.5rem;
  }

  .hero-content {
    padding-bottom: 3rem;
  }

  .hero-content::before {
    left: -0.55rem;
    bottom: 2.45rem;
    width: 106%;
    height: clamp(280px, 50vh, 380px);
  }

  .hero-actions {
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  section {
    padding: 4rem 0;
  }
}