:root {
  --navy: #0b3d5c;
  --navy-deep: #072a40;
  --teal: #1f7a8c;
  --teal-bright: #2a9aad;
  --sky: #bfdbf7;
  --ink: #1a1c1e;
  --mist: #e8f0f6;
  --paper: #f3f7fa;
  --white: #ffffff;
  --coral: #d1495b;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Sora", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--white);
  padding: 0.75rem 1rem;
  z-index: 100;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
}

.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* —— Nav —— */
.site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem clamp(1.25rem, 4vw, 2.5rem);
  color: var(--white);
  transition: background 0.35s var(--ease), backdrop-filter 0.35s var(--ease), color 0.35s var(--ease);
}

.site-nav.is-scrolled {
  background: color-mix(in srgb, var(--navy-deep) 88%, transparent);
  backdrop-filter: blur(12px);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 2.15rem;
  height: 2.15rem;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.25));
}

.crest svg {
  display: block;
  width: 100%;
  height: 100%;
}

.brand-crest {
  flex-shrink: 0;
  width: clamp(3.25rem, 8vw, 4.5rem);
  height: auto;
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.35));
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: none;
  gap: 1.5rem;
  margin-left: auto;
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.9;
}

.nav-links a:hover {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

.nav-cta {
  margin-left: auto;
  padding: 0.55rem 1rem;
  border: 1px solid color-mix(in srgb, var(--white) 45%, transparent);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.nav-cta:hover {
  background: color-mix(in srgb, var(--white) 12%, transparent);
  border-color: var(--white);
}

@media (min-width: 780px) {
  .nav-links {
    display: flex;
  }

  .nav-cta {
    margin-left: 0;
  }
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: clip;
  color: var(--white);
  background: var(--navy-deep);
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, color-mix(in srgb, var(--teal) 55%, transparent), transparent 55%),
    radial-gradient(ellipse 50% 40% at 10% 80%, color-mix(in srgb, var(--sky) 28%, transparent), transparent 50%),
    linear-gradient(165deg, var(--navy-deep) 0%, var(--navy) 48%, #145a6e 100%);
  animation: atmosphere-shift 14s ease-in-out infinite alternate;
}

.hero-atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--white) 4%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--white) 4%, transparent) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black 40%, transparent 95%);
  opacity: 0.45;
}

@keyframes atmosphere-shift {
  from {
    filter: hue-rotate(0deg) saturate(1);
  }
  to {
    filter: hue-rotate(8deg) saturate(1.08);
  }
}

.hero-grid {
  position: relative;
  z-index: 1;
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: 7.5rem 0 3.5rem;
  display: grid;
  gap: 2.5rem;
  align-items: end;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    padding: 8rem 0 4rem;
    gap: 3rem;
    align-items: center;
    min-height: 100svh;
  }
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 9vw, 5.5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.4vw, 2.35rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 14ch;
  color: color-mix(in srgb, var(--sky) 92%, white);
}

.lede {
  margin: 1.1rem 0 0;
  max-width: 34ch;
  font-size: 1.05rem;
  color: color-mix(in srgb, var(--white) 78%, var(--sky));
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--white);
  color: var(--navy);
}

.btn-primary:hover {
  background: var(--sky);
}

.btn-ghost {
  border-color: color-mix(in srgb, var(--white) 45%, transparent);
  color: var(--white);
}

.btn-ghost:hover {
  border-color: var(--white);
  background: color-mix(in srgb, var(--white) 8%, transparent);
}

/* Phone mock — product visual */
.hero-visual {
  display: flex;
  justify-content: center;
}

.phone {
  width: min(100%, 280px);
  animation: phone-float 6s var(--ease) infinite alternate;
  filter: drop-shadow(0 28px 50px rgba(0, 0, 0, 0.45));
}

@keyframes phone-float {
  from {
    transform: translateY(0) rotate(-1.5deg);
  }
  to {
    transform: translateY(-12px) rotate(1deg);
  }
}

.phone-bezel {
  background: linear-gradient(160deg, #1a2a35, #0a1520);
  border-radius: 2rem;
  padding: 0.65rem;
  border: 1px solid color-mix(in srgb, var(--sky) 25%, transparent);
}

.phone-screen {
  background: linear-gradient(180deg, var(--navy) 0%, #124a5c 38%, var(--mist) 38%);
  border-radius: 1.5rem;
  min-height: 480px;
  padding: 1.25rem 1rem 1.1rem;
  overflow: hidden;
}

.app-bar {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  color: var(--white);
  margin-bottom: 1.25rem;
}

.app-bar span {
  font-size: 0.75rem;
  opacity: 0.75;
}

.app-bar strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
}

.app-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
  margin-bottom: 1.35rem;
}

.app-stats div {
  background: color-mix(in srgb, var(--white) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--white) 18%, transparent);
  border-radius: 0.65rem;
  padding: 0.55rem 0.35rem;
  text-align: center;
  color: var(--white);
}

.app-stats em {
  display: block;
  font-style: normal;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
}

.app-stats span {
  font-size: 0.62rem;
  opacity: 0.8;
  letter-spacing: 0.02em;
}

.app-modules {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.app-modules li {
  background: var(--white);
  color: var(--ink);
  padding: 0.7rem 0.85rem;
  border-radius: 0.65rem;
  font-size: 0.82rem;
  font-weight: 500;
  border-left: 3px solid var(--teal);
}

/* —— Sections —— */
.band {
  padding: clamp(4rem, 9vw, 6.5rem) 0;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
}

.band h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--navy);
  max-width: 16ch;
}

.section-lede {
  margin: 0.85rem 0 0;
  max-width: 42ch;
  color: color-mix(in srgb, var(--ink) 72%, var(--navy));
  font-size: 1.05rem;
}

.modules {
  background:
    linear-gradient(180deg, var(--paper), var(--mist));
}

.module-rail {
  list-style: none;
  margin: 2.75rem auto 0;
  padding: 0;
  width: min(100% - 2.5rem, var(--max));
  display: grid;
  gap: 0;
  border-top: 1px solid color-mix(in srgb, var(--navy) 16%, transparent);
}

.module-rail li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  grid-template-rows: auto auto;
  column-gap: 1rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--navy) 16%, transparent);
}

@media (min-width: 720px) {
  .module-rail {
    grid-template-columns: 1fr 1fr;
  }

  .module-rail li:nth-child(odd) {
    padding-right: 1.75rem;
    border-right: 1px solid color-mix(in srgb, var(--navy) 12%, transparent);
  }

  .module-rail li:nth-child(even) {
    padding-left: 1.75rem;
  }
}

.mod-num {
  grid-row: 1 / span 2;
  align-self: start;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--teal);
  padding-top: 0.15rem;
}

.module-rail h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy);
}

.module-rail p {
  margin: 0.35rem 0 0;
  grid-column: 2;
  font-size: 0.95rem;
  color: color-mix(in srgb, var(--ink) 70%, var(--navy));
}

/* Roles */
.roles {
  background: var(--navy);
  color: var(--white);
}

.roles .eyebrow {
  color: var(--sky);
}

.roles h2 {
  color: var(--white);
}

.roles .section-lede {
  color: color-mix(in srgb, var(--white) 75%, var(--sky));
}

.roles-grid {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 860px) {
  .roles-grid {
    grid-template-columns: 1fr 1fr;
    align-items: end;
    gap: 4rem;
  }
}

.role-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid color-mix(in srgb, var(--white) 18%, transparent);
}

.role-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--white) 18%, transparent);
  font-size: 0.98rem;
}

.role-list strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
}

.role-list span {
  color: color-mix(in srgb, var(--white) 70%, var(--sky));
}

/* Download */
.download {
  background:
    radial-gradient(ellipse 70% 80% at 100% 0%, color-mix(in srgb, var(--sky) 55%, transparent), transparent 55%),
    var(--paper);
}

.download-panel {
  max-width: 40rem;
}

.download .btn-primary {
  background: var(--navy);
  color: var(--white);
}

.download .btn-primary:hover {
  background: var(--teal);
}

.download .btn-ghost {
  border-color: color-mix(in srgb, var(--navy) 30%, transparent);
  color: var(--navy);
}

.download .btn-ghost:hover {
  border-color: var(--navy);
  background: color-mix(in srgb, var(--navy) 6%, transparent);
}

.fine {
  margin: 1.5rem 0 0;
  font-size: 0.85rem;
  color: color-mix(in srgb, var(--ink) 60%, var(--navy));
}

.fine strong {
  font-weight: 600;
  color: var(--navy);
}

/* Footer */
.site-footer {
  padding: 1.75rem 0 2.25rem;
  background: var(--navy-deep);
  color: color-mix(in srgb, var(--white) 70%, var(--sky));
  font-size: 0.9rem;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
}

.footer-row .logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--white);
}

.footer-row p {
  margin: 0;
  flex: 1;
  min-width: 12rem;
}

.footer-row a:hover {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

/* Reveal motion */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

[data-reveal][data-delay="1"] {
  transition-delay: 0.12s;
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

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

  .hero-atmosphere,
  .phone,
  [data-reveal] {
    animation: none !important;
    transition: none !important;
    opacity: 1;
    transform: none;
  }
}