:root {
  color-scheme: light;
  --ink: #151b22;
  --muted: #66717b;
  --paper: #fffdf8;
  --mist: #edf4f3;
  --lake: #0e6f78;
  --lake-deep: #0a3f49;
  --tomato: #d84f3d;
  --sun: #f2b94b;
  --leaf: #4f7b55;
  --line: #d7dfdc;
  --shadow: 0 22px 70px rgba(20, 35, 42, 0.18);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
}

body.menu-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
  cursor: pointer;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 22px;
  min-height: 70px;
  padding: 14px clamp(18px, 4vw, 54px);
  color: #fff;
  background: linear-gradient(180deg, rgba(10, 63, 73, 0.9), rgba(10, 63, 73, 0.38));
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.scrolled {
  background: rgba(10, 63, 73, 0.96);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

.brand,
.site-nav,
.hero-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  min-width: 0;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border: 2px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  color: #fff;
  background: var(--tomato);
  font-weight: 900;
  letter-spacing: 0;
}

.site-nav {
  justify-content: center;
  gap: clamp(14px, 2.6vw, 34px);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #fff;
}

.header-cta,
.button,
.sticky-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 5px;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.09em;
  line-height: 1.2;
  text-transform: uppercase;
}

.header-cta {
  padding: 0 18px;
  color: #fff;
  background: var(--tomato);
}

.menu-button {
  display: none;
  width: 46px;
  height: 42px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 5px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.menu-button span {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 84svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: var(--lake-deep);
}

.hero-bg,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 64% center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(8, 40, 48, 0.98) 0%, rgba(8, 40, 48, 0.88) 38%, rgba(8, 40, 48, 0.36) 68%, rgba(8, 40, 48, 0.12) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.35));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(690px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 92px);
  padding: 110px 0 70px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 15px;
  color: var(--sun);
  font-size: 0.76rem;
  font-weight: 950;
  letter-spacing: 0.14em;
  line-height: 1.5;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  flex: 0 0 auto;
  background: currentColor;
}

h1,
h2 {
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: 0;
}

h1 {
  max-width: 12ch;
  font-size: clamp(3rem, 7vw, 6.6rem);
}

h2 {
  color: var(--lake-deep);
  font-size: clamp(2.15rem, 4.4vw, 4.2rem);
}

h3 {
  color: var(--lake-deep);
  font-size: 1.35rem;
  line-height: 1.15;
}

.hero-copy {
  max-width: 620px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1.08rem, 1.7vw, 1.35rem);
  line-height: 1.68;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  padding: 0 22px;
  border: 1px solid transparent;
}

.button.primary {
  color: #fff;
  background: var(--tomato);
}

.button.primary:hover {
  background: #bd3f30;
}

.button.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.08);
}

.button.dark-secondary {
  color: var(--lake-deep);
  border-color: rgba(10, 63, 73, 0.22);
  background: #fff;
}

.hero-note {
  max-width: 570px;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.95rem;
  line-height: 1.55;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.proof-strip div {
  min-height: 112px;
  padding: 26px clamp(18px, 3vw, 36px);
  background: var(--mist);
}

.proof-strip strong,
.proof-strip span {
  display: block;
}

.proof-strip strong {
  color: var(--lake-deep);
  font-size: 0.82rem;
  font-weight: 950;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.proof-strip span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.45;
}

section:not(.hero):not(.proof-strip) {
  padding: clamp(62px, 8vw, 112px) clamp(18px, 5vw, 70px);
}

.product-section,
.trip-section,
.source-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.85fr);
  gap: clamp(32px, 6vw, 82px);
  align-items: start;
}

.section-copy,
.section-heading {
  min-width: 0;
}

.section-copy p:not(.eyebrow),
.price-panel p,
.feature-grid p,
.trip-grid p,
.launch-grid p,
.faq-list p,
.source-list {
  color: var(--muted);
  font-size: clamp(1.02rem, 1.45vw, 1.16rem);
  line-height: 1.78;
}

.section-copy p + p {
  margin-top: 18px;
}

.price-panel {
  padding: clamp(26px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.panel-label {
  color: var(--tomato);
  font-size: 0.76rem;
  font-weight: 950;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.price-panel h3 {
  margin-top: 10px;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.price {
  margin-top: 18px;
  color: var(--lake);
  font-size: 4.4rem;
  font-weight: 950;
  line-height: 1;
}

.panel-copy {
  margin-top: 14px;
}

.price-panel ul {
  display: grid;
  gap: 10px;
  margin: 24px 0;
  padding: 0;
  list-style: none;
}

.price-panel li {
  position: relative;
  padding-left: 28px;
  color: var(--ink);
  line-height: 1.45;
}

.price-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--leaf);
}

.wide-button {
  width: 100%;
}

.text-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--lake);
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.inside-section,
.launch-section {
  background: var(--mist);
}

.section-heading {
  max-width: 890px;
  margin: 0 auto clamp(30px, 5vw, 56px);
  text-align: center;
}

.section-heading .eyebrow {
  justify-content: center;
}

.feature-grid,
.launch-grid,
.trip-grid {
  display: grid;
  gap: 18px;
}

.feature-grid {
  grid-template-columns: repeat(4, 1fr);
  max-width: 1160px;
  margin: 0 auto;
}

.feature-grid article,
.launch-grid article,
.trip-grid article {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.feature-grid article {
  min-height: 260px;
}

.feature-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 36px;
  border-radius: 50%;
  color: #fff;
  background: var(--lake);
  font-size: 0.82rem;
  font-weight: 950;
}

.feature-grid p,
.trip-grid p,
.launch-grid p {
  margin-top: 12px;
}

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

.launch-grid {
  grid-template-columns: repeat(3, 1fr);
  max-width: 1160px;
  margin: 0 auto;
}

.launch-grid .button {
  width: 100%;
  margin-top: 22px;
}

.source-section {
  align-items: center;
  background: #fff;
}

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

.source-list a {
  color: var(--lake);
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.faq-section {
  background: var(--paper);
}

.faq-list {
  max-width: 840px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
}

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

summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  color: var(--lake-deep);
  cursor: pointer;
  font-size: 0.94rem;
  font-weight: 950;
  letter-spacing: 0.06em;
  list-style: none;
  text-transform: uppercase;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  color: var(--tomato);
  font-size: 1.5rem;
}

details[open] summary::after {
  content: "-";
}

.faq-list p {
  padding: 0 0 26px;
}

.site-footer {
  padding: 34px 18px 86px;
  color: rgba(255, 255, 255, 0.72);
  text-align: center;
  background: var(--lake-deep);
}

.site-footer p {
  margin: 6px 0;
  line-height: 1.5;
}

.site-footer strong {
  color: #fff;
}

.sticky-download {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 35;
  min-height: 52px;
  padding: 0 22px;
  color: #fff;
  background: var(--tomato);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.24);
}

@media (max-width: 1040px) {
  .feature-grid,
  .launch-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: auto auto;
  }

  .brand {
    max-width: calc(100vw - 92px);
  }

  .brand span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .menu-button {
    display: block;
    justify-self: end;
  }

  .site-nav,
  .header-cta {
    display: none;
  }

  .site-nav.open {
    position: fixed;
    inset: 70px 12px auto;
    display: grid;
    gap: 0;
    padding: 12px;
    color: var(--lake-deep);
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .site-nav.open a {
    padding: 16px;
    border-bottom: 1px solid var(--line);
  }

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

  .proof-strip,
  .product-section,
  .trip-section,
  .source-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 66px;
    padding: 12px 14px;
  }

  .brand {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
  }

  .hero {
    min-height: 82svh;
  }

  .hero-bg {
    object-position: 70% center;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(8, 40, 48, 0.54), rgba(8, 40, 48, 0.92) 54%, rgba(8, 40, 48, 1) 100%),
      linear-gradient(90deg, rgba(8, 40, 48, 0.55), rgba(8, 40, 48, 0.05));
  }

  .hero-content {
    width: calc(100% - 28px);
    margin: 0 auto;
    align-self: end;
    padding: 94px 0 34px;
  }

  h1 {
    max-width: 11ch;
    font-size: clamp(2.5rem, 14vw, 4.2rem);
  }

  h2 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .hero-copy {
    font-size: 1.04rem;
  }

  .button,
  .header-cta {
    width: 100%;
  }

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

  .proof-strip,
  .feature-grid,
  .trip-grid,
  .launch-grid {
    grid-template-columns: 1fr;
  }

  .proof-strip div {
    min-height: 92px;
  }

  .sticky-download {
    right: 12px;
    bottom: 12px;
    left: 12px;
  }

  .site-footer {
    padding-bottom: 92px;
  }
}