:root {
  --bg-0: #060c1a;
  --bg-1: #0a142a;
  --bg-2: #0f1d3b;
  --line: rgba(255,255,255,0.08);
  --text: #e8edf5;
  --muted: #8a99b3;
  --accent: #4d8cff;
  --accent-2: #6ea8ff;
  --accent-glow: rgba(77,140,255,0.35);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--bg-0);
  color: var(--text);
  line-height: 1.55;
  overflow-x: hidden;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6,12,26,0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}
.logo {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 2px;
  color: var(--text);
  text-decoration: none;
}
.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--text); }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 24px;
  border-radius: 12px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform .15s ease, box-shadow .2s, background .2s;
  white-space: nowrap;
}
.btn-sm { padding: 9px 18px; font-size: 13px; border-radius: 10px; }
.btn-lg { padding: 17px 36px; font-size: 16px; border-radius: 14px; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: white;
  box-shadow: 0 10px 32px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 40px var(--accent-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent-2);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.badge {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(77,140,255,0.12);
  border: 1px solid rgba(77,140,255,0.25);
  border-radius: 999px;
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero h1 {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -1px;
  margin-bottom: 24px;
}
.grad {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 540px;
  margin-bottom: 36px;
}
.hero-cta {
  display: flex;
  gap: 14px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.hero-meta {
  display: flex;
  gap: 44px;
}
.hero-meta > div {
  display: flex;
  flex-direction: column;
}
.hero-meta strong {
  font-family: 'Rajdhani', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
}
.hero-meta span {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.5px;
}

.hero-glow {
  position: absolute;
  top: -100px;
  right: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
  filter: blur(40px);
  z-index: 1;
  pointer-events: none;
}

/* ---------- PHONE MOCKUP ---------- */
.hero-mock {
  display: flex;
  justify-content: center;
}
.phone {
  width: 280px;
  height: 560px;
  background: #0a0a0f;
  border-radius: 40px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow:
    0 30px 80px rgba(0,0,0,0.6),
    0 0 60px rgba(77,140,255,0.15);
  position: relative;
}
.phone-notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 22px;
  background: #000;
  border-radius: 14px;
  z-index: 3;
}
.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #0d1b2a 0%, #080f18 100%);
  border-radius: 30px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 60px;
}
.mock-header {
  margin-bottom: 30px;
}
.mock-ia {
  background: rgba(255,255,255,0.08);
  color: var(--accent-2);
  font-size: 11px;
  padding: 5px 14px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 1px;
}
.mock-oval {
  width: 150px;
  height: 200px;
  border: 2px dashed rgba(255,255,255,0.3);
  border-radius: 50%;
  margin-bottom: 20px;
}
.mock-text {
  color: rgba(255,255,255,0.5);
  font-size: 13px;
  margin-bottom: 30px;
}
.mock-shutter {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: white;
  border: 4px solid rgba(255,255,255,0.4);
  box-shadow: 0 0 20px rgba(255,255,255,0.2);
}
.mock-tabbar {
  position: absolute;
  bottom: 18px;
  left: 0; right: 0;
  display: flex;
  justify-content: space-around;
  padding: 0 20px;
}
.mock-tabbar span {
  width: 22px;
  height: 22px;
  background: rgba(255,255,255,0.15);
  border-radius: 6px;
}
.mock-tabbar span.active {
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

/* ---------- SECTIONS ---------- */
.section-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 700;
  text-align: center;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}
.section-sub {
  color: var(--muted);
  text-align: center;
  font-size: 17px;
  max-width: 600px;
  margin: 0 auto 64px;
}

/* ---------- STEPS ---------- */
.steps {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px 28px;
  transition: border-color .2s, transform .2s;
}
.step:hover {
  border-color: rgba(77,140,255,0.3);
  transform: translateY(-4px);
}
.step-num {
  font-family: 'Rajdhani', sans-serif;
  font-size: 48px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 16px;
  line-height: 1;
}
.step h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
}
.step p {
  color: var(--muted);
  font-size: 14.5px;
}

/* ---------- FEATURES ---------- */
.features {
  padding: 100px 0;
  background: var(--bg-1);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  transition: border-color .2s, transform .2s;
}
.feature:hover {
  border-color: rgba(77,140,255,0.3);
  transform: translateY(-3px);
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(77,140,255,0.2) 0%, rgba(77,140,255,0.05) 100%);
  border: 1px solid rgba(77,140,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--accent-2);
  margin-bottom: 18px;
}
.feature h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}
.feature p {
  color: var(--muted);
  font-size: 14px;
}

/* ---------- TECH ---------- */
.tech {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 100%);
}
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 880px;
  margin: 0 auto;
}
.tech-item {
  padding: 12px 22px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition: color .2s, border-color .2s;
}
.tech-item:hover {
  color: var(--accent-2);
  border-color: rgba(77,140,255,0.3);
}

/* ---------- CTA ---------- */
.cta {
  padding: 100px 0;
  background: var(--bg-0);
}
.cta-inner {
  text-align: center;
  background: linear-gradient(135deg, rgba(77,140,255,0.08) 0%, rgba(77,140,255,0.02) 100%);
  border: 1px solid rgba(77,140,255,0.2);
  border-radius: 28px;
  padding: 70px 40px;
}
.cta h2 {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: 14px;
}
.cta p {
  color: var(--muted);
  font-size: 17px;
  margin-bottom: 32px;
}

/* ---------- FOOTER ---------- */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--line);
  background: var(--bg-0);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: color .2s;
}
.footer-links a:hover { color: var(--text); }
.footer-meta {
  color: var(--muted);
  font-size: 13px;
}

/* ---------- REVEAL ON SCROLL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-text { display: flex; flex-direction: column; align-items: center; }
  .hero-meta { justify-content: center; gap: 28px; }
  .hero-cta { justify-content: center; }
  .steps-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 500px) {
  .hero { padding: 60px 0 70px; }
  .hero-meta { gap: 18px; }
  .hero-meta strong { font-size: 24px; }
  .phone { width: 240px; height: 480px; }
  .cta-inner { padding: 50px 24px; }
}