:root {
  --ink: #1e2024;
  --ink-soft: #3e4147;
  --teal: #176b6f;
  --teal-dark: #0e4d50;
  --blue: #2f6fed;
  --ivory: #f6f1e8;
  --ivory-2: #fffaf1;
  --clay: #c8684a;
  --sage: #9aae8b;
  --line: #d9d0c2;
  --white: #ffffff;
  --shadow: 0 22px 70px rgba(30, 32, 36, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

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

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

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 54px);
  border-bottom: 1px solid rgba(30, 32, 36, 0.08);
  background: rgba(246, 241, 232, 0.92);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 1px rgba(30, 32, 36, 0.12);
}

.brand span {
  font-size: 1.02rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.2vw, 26px);
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 650;
}

.nav-links a {
  position: relative;
}

.nav-links a::after {
  position: absolute;
  left: 0;
  bottom: -7px;
  width: 0;
  height: 2px;
  background: var(--teal);
  content: "";
  transition: width 180ms ease;
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(30, 32, 36, 0.14);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.78fr);
  gap: clamp(30px, 6vw, 80px);
  align-items: center;
  padding: clamp(54px, 8vw, 110px) clamp(20px, 5vw, 72px) 72px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 20px;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 34px;
  height: 2px;
  background: var(--clay);
  content: "";
}

h1,
.page-title {
  margin: 0;
  color: var(--ink);
  font-size: clamp(3rem, 7.5vw, 6.7rem);
  line-height: 0.94;
  letter-spacing: 0;
}

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

.lead {
  margin: 26px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 1.7vw, 1.35rem);
  line-height: 1.65;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  font-weight: 850;
}

.button.secondary {
  background: transparent;
  color: var(--ink);
}

.button.teal {
  border-color: var(--teal);
  background: var(--teal);
}

.visual-panel {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  border: 1px solid rgba(30, 32, 36, 0.12);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(23, 107, 111, 0.14), rgba(47, 111, 237, 0.08)),
    var(--ivory-2);
  box-shadow: var(--shadow);
}

.visual-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 32, 36, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 32, 36, 0.08) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent);
}

.orbital {
  position: absolute;
  inset: 76px 42px auto;
  height: 310px;
  border: 1px solid rgba(23, 107, 111, 0.32);
  border-radius: 50%;
  transform: rotate(-14deg);
}

.orbital::before,
.orbital::after {
  position: absolute;
  inset: 38px 72px;
  border: 1px solid rgba(47, 111, 237, 0.26);
  border-radius: 50%;
  content: "";
}

.orbital::after {
  inset: 84px 22px;
  border-color: rgba(200, 104, 74, 0.38);
  transform: rotate(31deg);
}

.mark-card {
  position: absolute;
  top: 80px;
  left: 50%;
  width: min(250px, 54%);
  transform: translateX(-50%);
}

.mark-card img {
  width: 100%;
  border-radius: 32px;
  box-shadow: 0 26px 50px rgba(30, 32, 36, 0.22);
}

.thesis-card {
  position: absolute;
  right: 30px;
  bottom: 34px;
  left: 30px;
  padding: 28px;
  border: 1px solid rgba(30, 32, 36, 0.12);
  border-radius: 22px;
  background: rgba(255, 250, 241, 0.92);
  box-shadow: 0 18px 48px rgba(30, 32, 36, 0.13);
}

.thesis-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
}

.thesis-card strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 1.22rem;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 10px clamp(20px, 5vw, 72px) 0;
  overflow: hidden;
  border: 1px solid rgba(30, 32, 36, 0.1);
  border-radius: 24px;
  background: var(--line);
}

.metric {
  padding: 28px;
  background: var(--ivory-2);
}

.metric strong {
  display: block;
  color: var(--teal);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 10px;
  color: var(--ink-soft);
  font-weight: 650;
}

.section {
  padding: clamp(54px, 8vw, 100px) clamp(20px, 5vw, 72px);
}

.section.alt {
  background: var(--ink);
  color: var(--white);
}

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(280px, 0.54fr);
  gap: 34px;
  align-items: end;
  margin-bottom: 34px;
}

.section-header h2,
.compact-title {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

.section-header p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.alt .section-header p,
.alt .card p,
.alt .feature p {
  color: rgba(255, 255, 255, 0.72);
}

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

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.card,
.feature,
.product-card,
.route-card {
  border: 1px solid rgba(30, 32, 36, 0.12);
  border-radius: 18px;
  background: var(--ivory-2);
  box-shadow: 0 16px 42px rgba(30, 32, 36, 0.08);
}

.card,
.feature {
  padding: 26px;
}

.alt .card,
.alt .feature {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: none;
}

.card h3,
.feature h3,
.product-card h3,
.route-card h3 {
  margin: 0 0 12px;
  font-size: 1.23rem;
}

.card p,
.feature p,
.product-card p,
.route-card p {
  margin: 0;
  color: var(--ink-soft);
}

.kicker {
  color: var(--clay);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.method-list {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.method-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
}

.method-item span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--clay);
  color: var(--white);
  font-weight: 900;
}

.method-item h3 {
  margin: 0 0 5px;
  color: var(--white);
}

.method-item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
}

.page-hero {
  padding: clamp(52px, 8vw, 92px) clamp(20px, 5vw, 72px) 34px;
}

.page-hero .lead {
  max-width: 800px;
}

.product-feature {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1fr);
  gap: clamp(26px, 5vw, 66px);
  align-items: center;
  margin-top: 28px;
}

.product-shot {
  overflow: hidden;
  border: 1px solid rgba(30, 32, 36, 0.12);
  border-radius: 26px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.product-shot img {
  width: 100%;
}

.product-copy {
  display: grid;
  gap: 18px;
}

.price-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  color: var(--ink-soft);
}

.price {
  color: var(--teal);
  font-size: 2.4rem;
  font-weight: 950;
  line-height: 1;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--ink-soft);
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: 0.18em;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--teal);
  content: "";
}

.check-list li::after {
  position: absolute;
  left: 5px;
  top: 0.48em;
  width: 6px;
  height: 3px;
  border-bottom: 2px solid var(--white);
  border-left: 2px solid var(--white);
  content: "";
  transform: rotate(-45deg);
}

.preview-section {
  padding-top: 34px;
}

.preview-header {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(280px, 0.54fr);
  gap: 34px;
  align-items: end;
  margin-bottom: 30px;
}

.preview-header h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

.preview-header p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.preview-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(270px, 31vw);
  gap: 18px;
  overflow-x: auto;
  padding: 6px 2px 24px;
  scroll-padding-inline: 2px;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--teal) rgba(30, 32, 36, 0.1);
  scrollbar-width: thin;
}

.preview-item {
  margin: 0;
  scroll-snap-align: start;
}

.preview-page {
  aspect-ratio: 8.5 / 11;
  overflow: hidden;
  border: 1px solid rgba(30, 32, 36, 0.14);
  border-radius: 6px;
  background: var(--white);
  box-shadow: 0 16px 38px rgba(30, 32, 36, 0.1);
}

.preview-page img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
}

.preview-item figcaption {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 750;
}

.preview-item figcaption span {
  color: var(--clay);
  font-weight: 900;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.product-card {
  overflow: hidden;
}

.product-card .band {
  height: 12px;
  background: var(--teal);
}

.product-card:nth-child(2) .band {
  background: var(--blue);
}

.product-card:nth-child(3) .band {
  background: var(--clay);
}

.product-card-content {
  padding: 24px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(23, 107, 111, 0.1);
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 800;
}

.mission-band {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 60px);
  align-items: start;
}

.quote-block {
  padding: 34px;
  border-left: 8px solid var(--clay);
  background: var(--ivory-2);
  box-shadow: var(--shadow);
}

.quote-block p {
  margin: 0;
  font-size: clamp(1.35rem, 2.5vw, 2.2rem);
  font-weight: 850;
  line-height: 1.18;
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
  padding: 22px;
  border: 1px solid rgba(30, 32, 36, 0.12);
  border-radius: 18px;
  background: var(--ivory-2);
}

.timeline-item strong {
  color: var(--teal);
}

.timeline-item p {
  margin: 0;
  color: var(--ink-soft);
}

.support-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.7fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.support-panel {
  padding: 30px;
  border: 1px solid rgba(30, 32, 36, 0.12);
  border-radius: 24px;
  background: var(--ivory-2);
  box-shadow: var(--shadow);
}

.form {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
}

.field label {
  color: var(--ink-soft);
  font-size: 0.85rem;
  font-weight: 800;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  border: 1px solid rgba(30, 32, 36, 0.18);
  border-radius: 12px;
  background: var(--white);
  color: var(--ink);
  font: inherit;
}

.field textarea {
  min-height: 130px;
  resize: vertical;
}

.route-grid {
  display: grid;
  gap: 18px;
}

.route-card {
  padding: 24px;
}

.footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  padding: 38px clamp(20px, 5vw, 72px);
  border-top: 1px solid rgba(30, 32, 36, 0.1);
  color: var(--ink-soft);
}

.footer strong {
  color: var(--ink);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-weight: 750;
}

@media (max-width: 900px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 5px;
  }

  .hero,
  .section-header,
  .preview-header,
  .product-feature,
  .mission-band,
  .support-layout {
    grid-template-columns: 1fr;
  }

  .visual-panel {
    min-height: 480px;
  }

  .metrics,
  .grid-3,
  .grid-2,
  .product-grid {
    grid-template-columns: 1fr;
  }

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

  .preview-track {
    grid-auto-columns: minmax(270px, 72vw);
  }
}

@media (max-width: 560px) {
  .nav-cta {
    width: 100%;
  }

  h1,
  .page-title {
    font-size: 3.3rem;
  }

  .hero {
    padding-top: 42px;
  }

  .metrics {
    margin-inline: 20px;
  }

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

  .preview-track {
    grid-auto-columns: 84vw;
  }
}