:root {
  --bg: #0a0a0f;
  --bg2: #0f0c29;
  --bg3: #16213e;
  --primary: #7c3aed;
  --primary-light: #a855f7;
  --secondary: #06b6d4;
  --secondary-light: #22d3ee;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --glass: rgba(255,255,255,0.04);
  --glass-border: rgba(255,255,255,0.08);
  --glow: 0 0 40px rgba(124,58,237,0.3);
  --glow-cyan: 0 0 40px rgba(6,182,212,0.3);
  --radius: 16px;
  --radius-sm: 10px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ── Background ── */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, rgba(124,58,237,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 80%, rgba(6,182,212,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 50% 50%, rgba(49,46,129,0.1) 0%, transparent 70%),
    var(--bg);
  animation: meshShift 20s ease-in-out infinite alternate;
}

@keyframes meshShift {
  0%   { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(30deg); }
}

#particles { position: fixed; inset: 0; z-index: -1; pointer-events: none; }

/* ── Nav ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(10,10,15,0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s;
}

nav.scrolled {
  padding: 0.7rem 2rem;
  background: rgba(10,10,15,0.9);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(124,58,237,0.4); }
  50% { box-shadow: 0 0 0 10px rgba(124,58,237,0); }
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switcher {
  display: flex;
  gap: 0.3rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 0.3rem;
}

.lang-btn {
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.05em;
}

.lang-btn:hover { color: var(--text); background: rgba(255,255,255,0.08); }
.lang-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
}

.btn-nav {
  padding: 0.6rem 1.4rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: none;
  border-radius: 8px;
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
  box-shadow: 0 0 20px rgba(124,58,237,0.3);
}

.btn-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(124,58,237,0.5);
}

/* ── Sections ── */
section { padding: 6rem 2rem; }

.container { max-width: 1200px; margin: 0 auto; }

/* ── Hero ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 50px;
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-light);
  margin-bottom: 2rem;
  animation: fadeInDown 0.6s ease;
}

.hero-badge span { animation: badgePulse 2s ease-in-out infinite; }

@keyframes badgePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

h1.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.7s ease 0.1s both;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 50%, #f472b6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
  animation: fadeInUp 0.7s ease 0.3s both;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2.5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-weight: 800;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
  box-shadow: 0 0 30px rgba(124,58,237,0.4), 0 4px 15px rgba(0,0,0,0.3);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 0 50px rgba(124,58,237,0.6), 0 8px 25px rgba(0,0,0,0.4); }
.btn-primary:hover::before { opacity: 1; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
  backdrop-filter: blur(10px);
}

.btn-secondary:hover { background: rgba(255,255,255,0.08); transform: translateY(-3px); }

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 1.5rem 2rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.7s ease 0.4s both;
}

.stat-item { text-align: center; }
.stat-num {
  font-size: 1.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}
.stat-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }

/* Floating orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  animation: orbFloat 8s ease-in-out infinite;
}
.orb-1 { width: 400px; height: 400px; background: rgba(124,58,237,0.2); top: -100px; right: -100px; animation-delay: 0s; }
.orb-2 { width: 300px; height: 300px; background: rgba(6,182,212,0.15); bottom: 0; left: -50px; animation-delay: -3s; }

@keyframes orbFloat {
  0%, 100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(30px,-30px) scale(1.05); }
  66% { transform: translate(-20px,20px) scale(0.95); }
}

/* Floating icons */
.floating-icon {
  position: absolute;
  font-size: 2rem;
  animation: floatIcon 6s ease-in-out infinite;
  pointer-events: none;
  filter: drop-shadow(0 0 10px rgba(124,58,237,0.5));
}
.fi-1 { top: 20%; left: 5%; animation-delay: 0s; }
.fi-2 { top: 60%; right: 5%; animation-delay: -2s; }
.fi-3 { top: 30%; right: 10%; animation-delay: -4s; }
.fi-4 { bottom: 30%; left: 8%; animation-delay: -1s; }

@keyframes floatIcon {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

/* ── How it works ── */
#how {
  background: linear-gradient(180deg, transparent, rgba(124,58,237,0.05), transparent);
}

.section-header { text-align: center; margin-bottom: 4rem; }
.section-tag {
  display: inline-block;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  color: var(--primary-light);
  padding: 0.3rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-sub { color: var(--text-muted); font-size: 1.1rem; max-width: 500px; margin: 0 auto; }

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 60px; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
  opacity: 0.3;
}

.step {
  text-align: center;
  padding: 2.5rem 2rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  position: relative;
  transition: all 0.3s;
  opacity: 0;
  transform: translateY(30px);
}

.step.visible { opacity: 1; transform: translateY(0); }
.step:hover { transform: translateY(-8px); border-color: rgba(124,58,237,0.3); box-shadow: var(--glow); }

.step-num {
  position: absolute;
  top: -1px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-weight: 900;
  font-size: 0.75rem;
  padding: 0.25rem 0.8rem;
  border-radius: 0 0 10px 10px;
  letter-spacing: 0.1em;
}

.step-icon {
  font-size: 3rem;
  margin: 1.5rem 0 1rem;
  filter: drop-shadow(0 0 15px rgba(124,58,237,0.4));
}

.step h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: 0.7rem; }
.step p { color: var(--text-muted); font-size: 0.95rem; }

/* ── Features ── */
#features { background: linear-gradient(180deg, transparent, rgba(6,182,212,0.03), transparent); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  padding: 2rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  transition: all 0.3s;
  opacity: 0;
  transform: translateY(30px);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(124,58,237,0.05), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card.visible { opacity: 1; transform: translateY(0); }
.feature-card:hover { transform: translateY(-5px); border-color: rgba(124,58,237,0.25); box-shadow: var(--glow); }
.feature-card:hover::before { opacity: 1; }

.feature-icon-wrap {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(6,182,212,0.2));
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.2rem;
}

.feature-card h3 { font-size: 1.15rem; font-weight: 800; margin-bottom: 0.6rem; }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; }

/* ── AI Score ── */
#score { background: linear-gradient(180deg, transparent, rgba(124,58,237,0.06), transparent); }

.score-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.score-visual {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 2rem;
  backdrop-filter: blur(10px);
}

.score-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.score-num {
  font-size: 3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.score-badge {
  background: rgba(34,197,94,0.15);
  border: 1px solid rgba(34,197,94,0.3);
  color: #4ade80;
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
}

.criteria { display: flex; flex-direction: column; gap: 0.8rem; }

.criterion { }
.criterion-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.3rem;
  font-size: 0.85rem;
}
.criterion-name { color: var(--text-muted); }
.criterion-score { font-weight: 700; color: var(--primary-light); }

.bar-track {
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  width: 0;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.score-text h3 { font-size: 1.6rem; font-weight: 900; margin-bottom: 1rem; }
.score-text p { color: var(--text-muted); margin-bottom: 1.5rem; line-height: 1.7; }

.score-list { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.score-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.score-list li::before { content: '✦'; color: var(--primary-light); font-size: 0.7rem; }

/* ── Trust ── */
#trust { }

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.trust-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  transition: all 0.3s;
  opacity: 0;
  transform: scale(0.9);
}

.trust-card.visible { opacity: 1; transform: scale(1); }
.trust-card:hover { transform: scale(1.03); border-color: rgba(124,58,237,0.3); }

.trust-logo { font-size: 2rem; margin-bottom: 0.5rem; }
.trust-name { font-weight: 800; font-size: 0.95rem; margin-bottom: 0.3rem; }
.trust-desc { color: var(--text-muted); font-size: 0.8rem; }

.trust-badges {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  padding: 0.7rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
}

.trust-badge .icon { font-size: 1.1rem; }

/* ── CTA ── */
#cta {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(124,58,237,0.15), transparent);
  pointer-events: none;
}

.cta-box {
  max-width: 700px;
  margin: 0 auto;
  padding: 4rem 3rem;
  background: var(--glass);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: 24px;
  backdrop-filter: blur(20px);
  position: relative;
  box-shadow: 0 0 80px rgba(124,58,237,0.15);
}

#cta h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-bottom: 1rem; }
#cta p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 2.5rem; }

.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.cta-note { margin-top: 1.5rem; color: var(--text-muted); font-size: 0.85rem; }

/* ── Footer ── */
footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--glass-border);
  background: rgba(0,0,0,0.3);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links { display: flex; gap: 2rem; flex-wrap: wrap; }
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }

.footer-copy { color: var(--text-muted); font-size: 0.85rem; }

/* ── Animations ── */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Typewriter ── */
.typewriter { display: inline; }
.cursor {
  display: inline-block;
  width: 3px;
  height: 0.9em;
  background: var(--primary-light);
  border-radius: 2px;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
  margin-left: 2px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ── Glow divider ── */
.glow-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
  margin: 0;
  opacity: 0.3;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  nav { padding: 1rem; }
  .nav-right { gap: 0.5rem; }
  .btn-nav { display: none; }
  .hero-stats { gap: 1rem; }
  .score-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display: none; }
  .cta-box { padding: 2rem 1.5rem; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
  .features-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  section { padding: 4rem 1rem; }
  .trust-grid { grid-template-columns: 1fr; }
}

/* ── Scroll reveal delay classes ── */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }