:root {
  --bg: #07090f;
  --bg-alt: #0b0e17;
  --card: #10141f;
  --card-border: #1d2333;
  --text: #e8ecf4;
  --muted: #98a2b8;
  --accent: #22d3ee;
  --accent-2: #818cf8;
  --accent-3: #34d399;
  --grad: linear-gradient(92deg, #22d3ee, #818cf8 55%, #c084fc);
  --radius: 16px;
  --font-head: 'Sora', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 760px; }
.center-text { text-align: center; }

h1, h2, h3 { font-family: var(--font-head); line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 800; }
h2.section-title { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; text-align: center; margin-bottom: 16px; }
h3 { font-size: 1.25rem; margin-bottom: 10px; }

.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.accent { color: var(--accent); }
.muted { color: var(--muted); font-size: 0.9rem; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(34, 211, 238, 0.35);
  background: rgba(34, 211, 238, 0.07);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.eyebrow.center { display: table; margin: 0 auto 22px; }

/* NAV */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(7, 9, 15, 0.75);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.nav.scrolled { border-bottom-color: var(--card-border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 8px; font-family: var(--font-head); font-weight: 700; font-size: 1.05rem; }
.logo-mark { font-size: 1.2rem; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 0.92rem; font-weight: 500; color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; }

/* BUTTONS */
.btn {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}
.btn-primary {
  background: var(--grad);
  color: #05070c;
  padding: 12px 24px;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(34, 211, 238, 0.35); }
.btn-ghost {
  border-color: var(--card-border);
  color: var(--text);
  padding: 12px 24px;
}
.btn-ghost:hover { border-color: var(--accent); }
.btn-lg { padding: 15px 32px; font-size: 1.02rem; }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; color: #05070c; }

/* HERO */
.hero {
  position: relative;
  padding: 170px 0 90px;
  text-align: center;
  overflow: hidden;
}
.hero-glow {
  position: absolute; inset: -20% -10% auto;
  height: 70%;
  background:
    radial-gradient(ellipse 45% 55% at 30% 20%, rgba(34, 211, 238, 0.16), transparent 65%),
    radial-gradient(ellipse 45% 55% at 70% 15%, rgba(129, 140, 248, 0.18), transparent 65%);
  pointer-events: none;
}
.grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero-inner { position: relative; }
.hero-sub {
  max-width: 640px; margin: 24px auto 36px;
  font-size: 1.15rem; color: var(--muted);
}
.hero-sub strong { color: var(--text); }
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 48px; justify-content: center; flex-wrap: wrap;
  margin-top: 70px;
}
.stat-num { font-family: var(--font-head); font-size: 2.4rem; font-weight: 800; color: var(--accent); }
.stat-label { font-size: 0.85rem; color: var(--muted); max-width: 160px; }

/* SECTIONS */
.section { padding: 96px 0; position: relative; }
.section.alt { background: var(--bg-alt); border-top: 1px solid var(--card-border); border-bottom: 1px solid var(--card-border); }
.section-sub { text-align: center; color: var(--muted); max-width: 620px; margin: 0 auto 48px; font-size: 1.05rem; }

/* CARDS */
.cards-3 {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-top: 48px;
}
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(34, 211, 238, 0.4); }
.card p { color: var(--muted); font-size: 0.97rem; }
.card-icon { font-size: 1.9rem; margin-bottom: 14px; }
.card-feature ul { margin-top: 16px; padding-left: 18px; color: var(--muted); font-size: 0.93rem; }
.card-feature li { margin-bottom: 6px; }
.step-num {
  font-family: var(--font-head); font-weight: 800; font-size: 0.9rem;
  color: var(--accent); letter-spacing: 0.15em; margin-bottom: 12px;
}
.big-num { font-family: var(--font-head); font-size: 2.6rem; font-weight: 800; margin-bottom: 10px; }

.pain-close { text-align: center; margin-top: 48px; font-size: 1.15rem; color: var(--muted); }
.pain-close strong { color: var(--text); }

/* TIMELINE */
.timeline { max-width: 720px; margin: 56px auto 0; display: grid; gap: 36px; }
.tl-item { display: flex; gap: 24px; align-items: flex-start; }
.tl-dot {
  flex: 0 0 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--grad); color: #05070c;
  font-family: var(--font-head); font-weight: 800;
}
.tl-item p { color: var(--muted); }

/* ABOUT */
.about-grid {
  display: grid; grid-template-columns: 280px 1fr; gap: 48px;
  margin-top: 48px; align-items: start;
}
.about-photo {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 40px 24px;
  text-align: center;
  position: sticky; top: 100px;
}
.about-avatar {
  width: 120px; height: 120px; border-radius: 50%;
  margin: 0 auto 18px;
  display: grid; place-items: center;
  background: var(--grad);
  color: #05070c;
  font-family: var(--font-head); font-weight: 800; font-size: 2.2rem;
}
.about-name { font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; }
.about-role { color: var(--muted); font-size: 0.9rem; margin-top: 4px; }
.about-copy p { color: var(--muted); margin-bottom: 18px; font-size: 1.02rem; }
.about-copy h3 { margin: 28px 0 14px; }
.about-list { list-style: none; display: grid; gap: 12px; }
.about-list li {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 14px 18px;
  color: var(--muted);
  font-size: 0.97rem;
}
.about-list strong { color: var(--text); }

/* FAQ */
.faq {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
}
.faq summary {
  cursor: pointer; padding: 18px 22px;
  font-family: var(--font-head); font-weight: 600;
  list-style: none; position: relative;
}
.faq summary::after { content: '+'; position: absolute; right: 22px; color: var(--accent); font-size: 1.2rem; }
.faq[open] summary::after { content: '–'; }
.faq p { padding: 0 22px 20px; color: var(--muted); }

/* CTA / FORM */
.cta { overflow: hidden; }
.contact-form { display: grid; gap: 14px; margin-top: 40px; text-align: left; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form input, .contact-form textarea {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.97rem;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--accent);
}
.contact-form .btn { justify-self: center; margin-top: 8px; }
.form-note { text-align: center; color: var(--accent-3); font-size: 0.9rem; min-height: 1.2em; }

/* FOOTER */
.footer { border-top: 1px solid var(--card-border); padding: 40px 0; text-align: center; }
.footer-inner { display: grid; gap: 8px; justify-items: center; color: var(--muted); }

/* REVEAL ANIMATION */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* RESPONSIVE */
@media (max-width: 860px) {
  .cards-3 { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { position: static; }
  .nav-links {
    display: none;
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--card-border);
    padding: 12px 24px 20px;
  }
  .nav-links a { padding: 12px 0; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .form-row { grid-template-columns: 1fr; }
  .hero { padding-top: 130px; }
  .hero-stats { gap: 28px; }
}
