@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Sora:wght@500;600;700&display=swap');

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

:root {
  --navy-950: #030816;
  --navy-900: #061027;
  --navy-800: #0a1a3d;
  --blue-500: #2f6bff;
  --blue-400: #5b8dff;
  --cyan-300: #7fe3ff;
  --silver-100: #eef3fb;
  --silver-300: #c3d0e6;
  --silver-500: #8fa2c2;
  --muted: #b9c7de;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* overflow-x only on html: setting it on body too would make body its own
   scroll container and break the sticky nav's containing block */
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--navy-950);
  color: var(--silver-100);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- Layers: bg (0) < canvas (1) < content (2+) < nav (100) ---- */

#bg_layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(1100px 700px at 50% 108%, rgba(47, 107, 255, .28), transparent 65%),
    radial-gradient(900px 600px at 12% -10%, rgba(91, 141, 255, .16), transparent 60%),
    radial-gradient(900px 600px at 92% 0%, rgba(143, 162, 194, .12), transparent 60%),
    linear-gradient(180deg, #050d22 0%, #061230 55%, #040a1c 100%);
}
#bg_layer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(143, 162, 194, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 162, 194, .05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 60%, #000 20%, transparent 80%);
  mask-image: radial-gradient(ellipse at 50% 60%, #000 20%, transparent 80%);
}
#bg_layer::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: -40%;
  width: 40%;
  background: linear-gradient(105deg, transparent 0%, rgba(195, 208, 230, .06) 50%, transparent 100%);
  animation: sheen 14s linear infinite;
}
@keyframes sheen {
  from { transform: translateX(0); }
  to { transform: translateX(400%); }
}

#hydra_canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
}

/* ---- Nav ---- */

#site_nav {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  padding: 22px 0;
  background: rgba(6, 16, 39, .38);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(143, 162, 194, .10);
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition: padding 250ms ease, background-color 250ms ease, box-shadow 250ms ease, backdrop-filter 250ms ease, -webkit-backdrop-filter 250ms ease;
}
#site_nav.nav-scrolled {
  padding: 10px 0;
  background: rgba(4, 10, 28, .90);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, .45);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -.02em;
  color: var(--silver-100);
  text-decoration: none;
  transition: font-size 250ms ease;
}
.logo svg { width: 1.15em; height: 1.15em; flex: none; transition: width 250ms ease, height 250ms ease; }
.logo .w-hydra {
  background: linear-gradient(180deg, #ffffff 0%, #aebcd6 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.logo .w-robot {
  background: linear-gradient(180deg, #8fb4ff 0%, #2f6bff 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
#site_nav.nav-scrolled .logo { font-size: 1.2rem; }

a#buy_now_link, a#buy_now_bottom {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  letter-spacing: .01em;
  border-radius: 999px;
  white-space: nowrap;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease), background 200ms ease, padding 250ms ease, font-size 250ms ease;
}
a#buy_now_link {
  padding: 12px 26px;
  font-size: .95rem;
  color: #fff;
  background: linear-gradient(135deg, #3a75ff 0%, #1d47b5 100%);
  border: 1px solid rgba(160, 190, 255, .45);
  box-shadow: 0 6px 20px rgba(47, 107, 255, .30), inset 0 1px 0 rgba(255, 255, 255, .25);
}
#site_nav.nav-scrolled a#buy_now_link { padding: 8px 18px; font-size: .85rem; }
a#buy_now_link:hover,
a#buy_now_link:focus {
  color: #fff;
  transform: translateY(-2px);
  background: linear-gradient(135deg, #5b8dff 0%, #2856d0 100%);
  box-shadow: 0 10px 28px rgba(47, 107, 255, .50), inset 0 1px 0 rgba(255, 255, 255, .35);
}
a#buy_now_link:active { transform: translateY(0); }
a#buy_now_link:focus-visible, a#buy_now_bottom:focus-visible, .logo:focus-visible {
  outline: 3px solid var(--cyan-300);
  outline-offset: 4px;
}

/* ---- Content sections (above bg 0 and canvas 1) ---- */

.hero,
.cards-section,
.cta,
.signal-line {
  position: relative;
  z-index: 2;
}

/* ---- Hero ---- */

.hero {
  padding: 12vh 24px 8vh;
  text-align: center;
}
.hero::before {
  content: "";
  position: absolute;
  left: 50%; top: 42%;
  width: min(1000px, 100%);
  height: 80%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse at center, rgba(3, 8, 22, .72) 0%, rgba(3, 8, 22, .40) 45%, transparent 72%);
  pointer-events: none;
  z-index: 0;
}
.hero > * { position: relative; z-index: 1; }
.hero h1 {
  margin: 0 auto 28px;
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 6vw, 5rem);
  line-height: 1.04;
  letter-spacing: -.03em;
  color: var(--silver-100);
}
.hero h1 span { display: block; }
.hero h1 .l1 {
  background: linear-gradient(180deg, #ffffff 0%, #c3d0e6 45%, #8fa2c2 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  filter: drop-shadow(0 2px 14px rgba(0, 0, 0, .55));
}
.hero h1 .l2 {
  background: linear-gradient(180deg, #a9c4ff 0%, #4d86ff 55%, #2451c9 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  filter: drop-shadow(0 2px 14px rgba(0, 0, 0, .55));
}
.hero p {
  max-width: 680px;
  margin: 0 auto;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--muted);
  text-shadow: 0 1px 12px rgba(3, 8, 22, .95);
}

/* ---- Cards ---- */

.cards {
  max-width: 1120px;
  margin: 0 auto;
  padding: 6vh 24px 8vh;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.card {
  position: relative;
  display: block;
  height: auto;
  padding: 38px;
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(16, 32, 68, .82) 0%, rgba(7, 15, 34, .88) 100%);
  border: 1px solid rgba(160, 190, 230, .18);
  color: var(--muted);
  text-align: left;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 34px rgba(0, 0, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .06);
  overflow: hidden;
  transition: transform 300ms var(--ease), border-color 300ms ease, box-shadow 300ms ease;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #c3d0e6 30%, #5b8dff 70%, transparent);
  opacity: .7;
}
.card:hover {
  transform: translateY(-8px);
  border-color: rgba(127, 180, 255, .55);
  box-shadow: 0 22px 50px rgba(0, 0, 0, .5), 0 0 34px rgba(47, 107, 255, .22), inset 0 1px 0 rgba(255, 255, 255, .10);
}
.card h2 {
  margin: 0 0 14px;
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 1.3rem;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--silver-100);
}
.card p {
  margin: 0;
  font-size: 1rem;
  color: var(--muted);
}

/* ---- CTA / signal line ---- */

.cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 6vh 24px 12vh;
}
.signal-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 600px;
}
.signal-status {
  margin: 0 0 26px;
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: .85rem;
  letter-spacing: .22em;
  color: var(--cyan-300);
  opacity: 1;
  text-shadow: 0 0 18px rgba(127, 227, 255, .45), 0 1px 10px rgba(3, 8, 22, .95);
}
a#buy_now_bottom {
  padding: 20px 46px;
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  color: #06122b;
  background: linear-gradient(135deg, #f4f8ff 0%, #b7c7e3 55%, #8fa6cc 100%);
  border: 1px solid rgba(255, 255, 255, .55);
  box-shadow: 0 12px 38px rgba(47, 107, 255, .35), inset 0 1px 0 rgba(255, 255, 255, .8);
}
a#buy_now_bottom:hover,
a#buy_now_bottom:focus {
  color: #06122b;
  transform: translateY(-3px) scale(1.02);
  background: linear-gradient(135deg, #ffffff 0%, #cfe0ff 55%, #8fb4ff 100%);
  box-shadow: 0 18px 52px rgba(47, 107, 255, .60), 0 0 0 4px rgba(91, 141, 255, .25), inset 0 1px 0 rgba(255, 255, 255, .9);
}
a#buy_now_bottom:active { transform: translateY(0) scale(1); }
.signal-sub {
  margin: 22px 0 0;
  font-size: .9rem;
  color: var(--silver-300);
  opacity: 1;
  text-transform: none;
  letter-spacing: normal;
  text-shadow: 0 1px 10px rgba(3, 8, 22, .95);
}

/* ---- Footer ----
   Markup is injected via SSI; only styled here. Sits above the fixed
   bg (0) and canvas (1) on its own opaque background. */

footer {
  position: relative;
  z-index: 2;
  padding: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--silver-100);
  background: rgba(3, 8, 22, .94);
  border-top: 1px solid rgba(143, 162, 194, .14);
}
footer div { margin: 4px 0; }
footer div:first-child { margin-top: 0; }
footer div:last-child { margin-bottom: 0; }
footer a { color: inherit; }
footer a:hover { color: var(--cyan-300); }

/* ---- Responsive ---- */

@media (max-width: 720px) {
  .nav-inner { padding: 0 20px; }
  .logo { font-size: 1.4rem; }
  #site_nav.nav-scrolled .logo { font-size: 1.1rem; }
}
@media (max-width: 480px) {
  #site_nav { padding: 14px 0; }
  #site_nav.nav-scrolled { padding: 8px 0; }
  .nav-inner { padding: 0 14px; }
  .logo { font-size: 1.1rem; gap: 7px; }
  #site_nav.nav-scrolled .logo { font-size: 1rem; }
  a#buy_now_link { padding: 9px 16px; font-size: .82rem; }
  #site_nav.nav-scrolled a#buy_now_link { padding: 7px 13px; font-size: .78rem; }
  .hero { padding: 11vh 18px 5vh; }
  .cards { padding: 4vh 16px 6vh; gap: 20px; }
  .card { padding: 30px 26px; }
  .cta { padding: 4vh 16px 10vh; }
  a#buy_now_bottom { width: 100%; max-width: 340px; padding: 18px 20px; white-space: normal; text-align: center; }
  .signal-status { letter-spacing: .16em; }
}

/* ---- Reduced motion ---- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  #bg_layer::after { animation: none; opacity: 0; }
  #site_nav, .card, a#buy_now_link, a#buy_now_bottom, .logo, .logo svg { transition: none; }
  .card:hover, a#buy_now_link:hover, a#buy_now_bottom:hover { transform: none; }
}