/* Theme tokens */
:root {
  --bg: #0b1020;
  --bg-elev: #10162b;
  --card: #121a33;
  --text: #e6ecff;
  --muted: #a7b3d6;
  --primary: #256eff;
  --primary-600: #1d59cc;
  --accent: #22d3ee;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 14px rgba(0,0,0,.25);
  --shadow-md: 0 10px 30px rgba(0,0,0,.35);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.45);
  --container: 1200px;
}

/* Reset / base */
* { box-sizing: border-box; }
html:focus-within { scroll-behavior: smooth; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 800px at 80% -10%, rgba(37,110,255,.15), transparent),
              radial-gradient(900px 700px at -10% 10%, rgba(34,211,238,.12), transparent),
              var(--bg);
  line-height: 1.6;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute; left: -9999px; top: auto;
}
.skip-link:focus {
  left: 1rem; top: 1rem; z-index: 9999;
  background: var(--bg-elev); color: var(--text);
  padding: .75rem 1rem; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

/* Header / Nav */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  backdrop-filter: saturate(140%) blur(8px);
  background: color-mix(in oklab, var(--bg) 85%, transparent);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: .9rem 0;
}
.brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 800; letter-spacing: .2px; }
.brand-icon { font-size: 1.2rem; }
.brand-text { background: linear-gradient(90deg, #fff, #b6c5ff); -webkit-background-clip: text; background-clip: text; color: transparent; }

.nav-menu { display: flex; align-items: center; gap: 1rem; list-style: none; margin: 0; padding: 0; }
.nav-menu a { color: var(--muted); padding: .55rem .8rem; border-radius: 999px; transition: color .2s, background .2s; }
.nav-menu a:hover { color: #fff; background: rgba(255,255,255,.06); }

.nav-toggle { display: none; background: transparent; border: 0; padding: .4rem; cursor: pointer; }
.nav-toggle .bar { display: block; width: 24px; height: 2px; background: #dfe7ff; margin: 5px 0; transition: transform .25s, opacity .25s; }

/* Hero */
.section { position: relative; padding: 80px 0; }
.section-muted { background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0) 40%), var(--bg-elev); }
.section-head { text-align: center; margin-bottom: 2.2rem; }
.section-head h2 { margin: 0 0 .5rem; font-size: clamp(1.6rem, 1.1rem + 1.8vw, 2.25rem); }
.section-head p { margin: 0; color: var(--muted); }

.hero { padding-top: 96px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; align-items: center; }
.hero-title { font-size: clamp(2rem, 1.2rem + 3vw, 3rem); line-height: 1.12; margin: 0 0 .8rem; }
.hero-subtitle { color: var(--muted); font-size: clamp(1rem, .95rem + .5vw, 1.125rem); margin: 0 0 1.2rem; }
.hero-cta { display: flex; gap: .8rem; flex-wrap: wrap; margin-bottom: 1rem; }
.hero-badges { list-style: none; display: flex; gap: .8rem; padding: 0; margin: 0; color: var(--muted); }
.hero-badges li { background: rgba(255,255,255,.06); padding: .5rem .75rem; border-radius: 999px; border: 1px solid rgba(255,255,255,.06); }

.hero-art { position: relative; }
.hero-blob { position: absolute; inset: -10% -10% auto auto; width: 120%; color: var(--primary); z-index: -1; }
.hero-card { position: relative; margin-left: auto; width: min(360px, 95%); background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0)), var(--card); border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius); padding: 1rem 1rem; box-shadow: var(--shadow-md); animation: float 6s ease-in-out infinite; }
.hero-card-row { display: flex; align-items: center; gap: .6rem; padding: .65rem .75rem; border-radius: var(--radius-sm); }
.hero-card-row + .hero-card-row { margin-top: .35rem; }
.hero-card-row .icon { font-size: 1.1rem; }
.hero-card-row:hover { background: rgba(255,255,255,.04); }

@keyframes float { 0%, 100% { transform: translateY(0) } 50% { transform: translateY(-6px) } }

.section-wave { position: absolute; bottom: 0; left: 0; width: 100%; height: 70px; color: var(--bg-elev); }
.section-wave path { fill: currentColor; }

/* Cards */
.grid.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.card { background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0)), var(--card); border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transform: translateY(0); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(255,255,255,.12); }
.card-image { width: 100%; height: 140px; overflow: hidden; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.card:hover .card-image img { transform: scale(1.05); }
.card-content { padding: 1.1rem; }
.card h3 { margin: .3rem 0 .4rem; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); }
.card-icon { font-size: 1.6rem; display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: rgba(37,110,255,.15); border: 1px solid rgba(37,110,255,.25); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; counter-reset: step; padding: 0; margin: 0 0 1.6rem; list-style: none; }
.step { background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0)), var(--card); border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius); padding: 1.2rem; position: relative; overflow: hidden; }
.step h3 { margin: .2rem 0 .3rem; font-size: 1.05rem; }
.step p { margin: 0; color: var(--muted); }
.step-num { position: absolute; top: .9rem; right: .9rem; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: rgba(34,211,238,.12); border: 1px solid rgba(34,211,238,.25); color: #b6f4ff; font-weight: 700; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.stat { text-align: center; background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0)), var(--card); border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius); padding: 1.2rem; }
.stat-num { display: block; font-weight: 800; font-size: clamp(1.5rem, 1.1rem + 2.2vw, 2.5rem); background: linear-gradient(180deg, #fff, #9fc0ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-label { color: var(--muted); }

/* Testimonials */
.testimonials { position: relative; display: grid; grid-template-columns: auto 1fr auto; gap: .8rem; align-items: center; }
.slides { position: relative; overflow: hidden; }
.slide { margin: 0; padding: 1.2rem 1.4rem; background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0)), var(--card); border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius); box-shadow: var(--shadow-sm); opacity: 0; transform: translateX(10%); transition: opacity .4s ease, transform .4s ease; position: absolute; inset: 0; display: grid; align-content: center; gap: .6rem; }
.slide.is-active { opacity: 1; transform: translateX(0); position: relative; }
.slide blockquote { margin: 0; font-size: clamp(1rem, .95rem + .4vw, 1.15rem); line-height: 1.5; }
.slide figcaption { color: var(--muted); }
.carousel-btn { width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.04); color: #fff; cursor: pointer; display: grid; place-items: center; transition: background .2s, transform .2s; }
.carousel-btn:hover { background: rgba(255,255,255,.08); transform: translateY(-1px); }

/* Contact */
.contact-form { background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0)), var(--card); border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius); padding: 1.2rem; box-shadow: var(--shadow-sm); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.field { display: grid; gap: .4rem; }
.field-full { grid-column: 1 / -1; }
.field span { color: var(--muted); font-size: .95rem; }
.field input, .field select, .field textarea {
  background: rgba(255,255,255,.04);
  color: var(--text);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 10px;
  padding: .75rem .85rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.field input::placeholder, .field textarea::placeholder { color: #9fb0d6; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: color-mix(in oklab, var(--primary) 60%, #fff 0%); box-shadow: 0 0 0 3px rgba(37,110,255,.2); background: rgba(255,255,255,.06); }
.form-actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-top: 1rem; }
.form-note { color: var(--muted); margin: 0; font-size: .95rem; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; font-weight: 600; border-radius: 999px; padding: .75rem 1.05rem; border: 1px solid transparent; cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: linear-gradient(180deg, var(--primary), var(--primary-600)); color: #fff; box-shadow: 0 8px 24px rgba(37,110,255,.35); }
.btn-primary:hover { box-shadow: 0 10px 30px rgba(37,110,255,.45); }
.btn-ghost { background: rgba(255,255,255,.06); color: #fff; border-color: rgba(255,255,255,.12); }
.btn-ghost:hover { background: rgba(255,255,255,.1); }
.btn-sm { padding: .55rem .8rem; font-size: .95rem; }

/* Footer */
.site-footer { padding: 34px 0; border-top: 1px solid rgba(255,255,255,.06); background: color-mix(in oklab, var(--bg) 90%, black 10%); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 1rem; align-items: start; }
.footer-brand { color: var(--muted); }
.footer-brand .brand-text { color: #fff; font-weight: 800; display: inline-block; margin-left: .4rem; }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: #fff; }
.footer-meta { display: grid; gap: .5rem; justify-items: end; color: var(--muted); }

/* Back to top */
.back-to-top { position: fixed; right: 18px; bottom: 18px; width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255,255,255,.12); background: rgba(16,22,43,.7); color: #fff; display: grid; place-items: center; box-shadow: var(--shadow-sm); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s, background .2s; }
.back-to-top.show { opacity: 1; pointer-events: auto; transform: translateY(-4px); }
.back-to-top:hover { background: rgba(16,22,43,.9); }

/* Minor overlap guard for sticky cta */
body { padding-bottom: 72px; }

/* Reveal on scroll */
.reveal .card, .reveal .step, .reveal .stat, .reveal .contact-form { opacity: 0; transform: translateY(16px); }
.reveal.is-visible .card, .reveal.is-visible .step, .reveal.is-visible .stat, .reveal.is-visible .contact-form { opacity: 1; transform: translateY(0); transition: transform .6s cubic-bezier(.2,.7,.2,1), opacity .6s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible .card:nth-child(1) { transition-delay: .05s; }
.reveal.is-visible .card:nth-child(2) { transition-delay: .1s; }
.reveal.is-visible .card:nth-child(3) { transition-delay: .15s; }
.reveal.is-visible .card:nth-child(4) { transition-delay: .2s; }
.reveal.is-visible .card:nth-child(5) { transition-delay: .25s; }
.reveal.is-visible .card:nth-child(6) { transition-delay: .3s; }

/* Responsive */
@media (max-width: 1024px) {
  .grid.cards { grid-template-columns: repeat(3, 1fr); }
  .card-image { height: 120px; }
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; margin-bottom: 1rem; }
  .section { padding: 64px 0; }
  .nav { padding: .8rem 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-meta { justify-items: start; }
}
@media (max-width: 720px) {
  .nav-toggle { display: inline-block; }
  .nav-menu { position: absolute; right: 1rem; top: 64px; background: var(--bg-elev); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: .5rem; display: grid; gap: .25rem; min-width: 220px; opacity: 0; pointer-events: none; transform: translateY(-6px); transition: opacity .2s, transform .2s; }
  .nav-menu.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .grid.cards { grid-template-columns: 1fr 1fr; }
  .card-image { height: 100px; }
  .steps { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .sticky-cta { left: 50%; transform: translateX(-50%); right: auto; width: calc(100% - 24px); justify-content: space-between; }
}
@media (max-width: 480px) {
  .grid.cards { grid-template-columns: 1fr; }
  .card-image { height: 120px; }
}