:root {
  --white: #ffffff;
  --ink: #1f3d7a;
  --ink-soft: #3a5a9a;
  --accent: #2e52f2;
  --accent-hover: #3d61ff;
  --accent-light: #b9d3ff;
  --eyebrow: #dbe7ff;
  --gutter: clamp(16px, 6.2vw, 96px);
  --container: 1240px;
  /* Page edge shared by nav, hero and every section: the gutter on small
     screens, a centred --container column on wide ones. */
  --edge: max(var(--gutter), calc((100vw - var(--container)) / 2));
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  background: #6fa5ea;
  color: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
a, button, summary, select, input { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  transform: translateY(-160%);
  transition: transform .2s;
}
.skip-link:focus-visible { transform: none; outline: 2px solid #fff; outline-offset: 2px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  display: block;
}

/* soft scrim so copy stays legible over the left side */
.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 45% at 18% 38%, rgba(40, 90, 180, 0.28), transparent 70%),
    linear-gradient(180deg, rgba(30, 70, 160, 0.18) 0%, transparent 28%);
}

/* ---------- Nav ---------- */
.nav {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--edge);
}

.logo {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--white);
}
.logo span {
  background: linear-gradient(135deg, #7fb2ff 0%, #3f6dff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav__links {
  display: flex;
  gap: 44px;
  list-style: none;
  font-size: 14px;
  font-weight: 400;
}
.nav__links a {
  position: relative;
  padding-bottom: 10px;
  opacity: 0.88;
  transition: opacity .2s;
}
.nav__links a:hover { opacity: 1; }
.nav__links a.active { opacity: 1; font-weight: 500; }
.nav__links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1.5px;
  background: var(--white);
  border-radius: 2px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border-radius: 999px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background .25s, border-color .25s, transform .25s, box-shadow .25s;
  white-space: nowrap;
}
.btn svg { width: 14px; height: 14px; flex: none; transition: transform .25s; }
.btn:hover svg { transform: translateX(3px); }

.btn--nav {
  padding: 11px 22px;
  font-size: 13.5px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  background: rgba(20, 50, 130, 0.12);
  backdrop-filter: blur(6px);
}
.btn--nav:hover { background: rgba(255, 255, 255, 0.14); border-color: #fff; }

.btn--primary {
  padding: 15px 29px;
  font-size: 15px;
  background: var(--accent);
  border: 1px solid var(--accent);
  box-shadow: 0 10px 30px -10px rgba(46, 82, 242, 0.7);
}
.btn--primary:hover { background: var(--accent-hover); transform: translateY(-1px); }

.btn--ghost {
  padding: 15px 29px;
  font-size: 15px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(4px);
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.14); }

/* ---------- Copy ---------- */
.hero__content {
  position: relative;
  z-index: 2;
  padding: clamp(66px, 12vh, 126px) var(--edge) 0;
}

.eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--eyebrow);
  opacity: 0.9;
}

.headline {
  margin-top: 22px;
  font-size: clamp(40px, 4.45vw, 70px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.025em;
  white-space: nowrap;
}
.headline .hl {
  background: linear-gradient(95deg, #a9c6ff 0%, #cfe2ff 55%, #b8d4ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sub {
  margin-top: 28px;
  max-width: 452px;
  font-size: 17px;
  line-height: 1.62;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.95);
}

.ctas {
  margin-top: 32px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.divider {
  margin-top: 38px;
  width: 150px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.55), transparent);
  margin-left: 40px;
}

.features {
  margin-top: 28px;
  display: flex;
  align-items: center;
  list-style: none;
}
.features li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 22px;
  font-size: 12px;
  line-height: 1.4;
  color: var(--ink-soft);
}
.features li:first-child { padding-left: 0; }
.features li + li { border-left: 1px solid rgba(58, 90, 154, 0.25); }
.features svg { width: 26px; height: 26px; flex: none; color: #5b82d6; }

/* ---------- Scroll cue ---------- */
.scroll-cue {
  position: absolute;
  left: var(--edge);
  bottom: 86px;
  display: flex;
  align-items: flex-start;
  gap: 24px;
  font-size: 12px;
  color: var(--ink-soft);
  z-index: 2;
}
.mouse {
  position: relative;
  width: 20px;
  height: 32px;
  border: 1.3px solid rgba(58, 90, 154, 0.6);
  border-radius: 12px;
}
.mouse::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 7px;
  width: 2px;
  height: 5px;
  margin-left: -1px;
  border-radius: 2px;
  background: rgba(58, 90, 154, 0.8);
  animation: wheel 1.8s ease-in-out infinite;
}
.mouse::after {
  content: "";
  position: absolute;
  left: 50%;
  top: calc(100% + 10px);
  width: 1px;
  height: 26px;
  background: rgba(58, 90, 154, 0.45);
}
.scroll-cue span { margin-top: 10px; }
@keyframes wheel {
  0%   { transform: translateY(0); opacity: 1; }
  70%  { transform: translateY(8px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ---------- Entrance ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1);
  transition-delay: calc(var(--d, 0) * 90ms);
}
.is-ready .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; opacity: 1; transform: none; }
  .mouse::before { animation: none; }
}

/* ---------- Responsive ---------- */
/* ---------- Mobile menu toggle ---------- */
.nav__toggle {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: 10px;
  place-items: center;
  color: inherit;
  background: rgba(20, 50, 130, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  cursor: pointer;
}
.nav__toggle svg { width: 18px; height: 18px; }
.nav__toggle .i-close { display: none; }
.nav.is-open .nav__toggle .i-open { display: none; }
.nav.is-open .nav__toggle .i-close { display: block; }
.nav__end { display: flex; align-items: center; }

@media (max-width: 1100px) {
  .nav__links { gap: 28px; }
}

@media (max-width: 900px) {
  .nav__toggle { display: grid; }
  .nav__links {
    position: absolute;
    top: calc(100% + 8px);
    left: var(--edge);
    right: var(--edge);
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 8px;
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 24px 50px -20px rgba(12, 34, 102, 0.45);
  }
  .nav.is-open .nav__links { display: flex; }
  .nav__links a {
    display: block;
    padding: 14px 16px;
    border-radius: 12px;
    font-size: 16px;
    color: #0b1f52;
    opacity: 1;
  }
  .nav__links a:hover, .nav__links a.active { background: #e6edff; }
  .nav__links a.active::after { display: none; }
  .hero__content { padding-top: 48px; }
  .headline { white-space: normal; }
  .scroll-cue { display: none; }
  .hero__scrim {
    background: linear-gradient(180deg, rgba(40, 90, 185, 0.55) 0%, rgba(60, 110, 200, 0.35) 45%, transparent 70%);
  }
  .features { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; }
  .features li { flex-direction: column; align-items: flex-start; gap: 8px; }
  .features li { color: #fff; }
  .features li + li { border-left-color: rgba(255,255,255,.3); }
  .features svg { color: #fff; }
  /* Room for the illustration drawn by hero.js (1.15× width on tablets). */
  .hero { padding-bottom: calc(65.5vw + 24px); }
  .hero__scrim { display: none; }
}

@media (max-width: 600px) {
  /* Phones: 1.45× width illustration. */
  .hero { padding-bottom: calc(82.6vw + 24px); }
}

@media (max-width: 520px) {
  .logo { font-size: 26px; }
  .btn--nav { padding: 9px 14px; font-size: 12.5px; gap: 8px; }
  .sub { font-size: 15.5px; }
  .ctas .btn { flex: 1 1 auto; justify-content: center; }
  .features li { padding: 0 14px; }
  .divider { display: none; }
}