@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

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

:root {
  --bg: #050510;
  --bg-card: rgba(15, 15, 35, 0.6);
  --primary: #6366f1;
  --primary-light: #818cf8;
  --accent: #06b6d4;
  --accent-green: #10b981;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: rgba(99, 102, 241, 0.15);
  --glow: rgba(99, 102, 241, 0.4);
}

html { scroll-behavior: smooth; }

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

/* ── Background Grid ── */
.bg-grid {
  position: fixed; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.bg-glow {
  position: fixed; top: -30%; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px; z-index: 0;
  background: radial-gradient(circle, rgba(99,102,241,0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* ── Layout ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* ── Nav ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 16px 0;
  background: rgba(5, 5, 16, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: padding 0.3s;
}

nav .container { display: flex; justify-content: space-between; align-items: center; }

.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo img { height: 36px; width: 36px; border-radius: 8px; }
.logo-text { font-size: 1.25rem; font-weight: 700; color: var(--text); }
.logo-text span { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

.nav-cta {
  padding: 10px 24px; border: none; border-radius: 8px; cursor: pointer;
  font-family: inherit; font-size: 0.9rem; font-weight: 600;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white; text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 20px var(--glow); }

/* ── Hero ── */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 120px 24px 80px;
}

.hero-content { max-width: 800px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 100px; margin-bottom: 28px;
  background: rgba(99,102,241,0.1); border: 1px solid var(--border);
  font-size: 0.85rem; color: var(--primary-light);
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-green); animation: pulse-dot 2s infinite; }

@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800;
  line-height: 1.1; margin-bottom: 24px; letter-spacing: -0.03em;
}
.hero h1 .gradient {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.hero p { font-size: 1.15rem; color: var(--text-muted); max-width: 600px; margin: 0 auto 40px; line-height: 1.7; }

.cta-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn-primary {
  padding: 14px 32px; border: none; border-radius: 10px; cursor: pointer;
  font-family: inherit; font-size: 1rem; font-weight: 600;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: white; text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--glow); }

.btn-secondary {
  padding: 14px 32px; border-radius: 10px; cursor: pointer;
  font-family: inherit; font-size: 1rem; font-weight: 600;
  background: transparent; border: 1px solid var(--border); color: var(--text);
  text-decoration: none; transition: border-color 0.2s, background 0.2s;
}
.btn-secondary:hover { border-color: var(--primary); background: rgba(99,102,241,0.05); }

/* ── Stats ── */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  padding: 60px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}

.stat { text-align: center; }
.stat-number { font-size: 2.2rem; font-weight: 800; background: linear-gradient(135deg, var(--primary-light), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

/* ── Sections ── */
section { padding: 100px 0; }
.section-label {
  display: inline-block; font-size: 0.8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent);
  margin-bottom: 12px;
}
.section-title { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 800; margin-bottom: 16px; letter-spacing: -0.02em; }
.section-sub { font-size: 1.05rem; color: var(--text-muted); max-width: 600px; line-height: 1.7; }
.section-sub.center { margin: 0 auto; text-align: center; }

/* ── Problem ── */
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 48px; }

.problem-card {
  padding: 24px; border-radius: 12px;
  background: var(--bg-card); border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  transition: border-color 0.3s, transform 0.3s;
}
.problem-card:hover { border-color: rgba(239, 68, 68, 0.3); transform: translateY(-2px); }
.problem-card .icon { font-size: 1.5rem; margin-bottom: 12px; }
.problem-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
.problem-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.5; }

/* ── Solution ── */
.solution-box {
  margin-top: 48px; padding: 40px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(6,182,212,0.08));
  border: 1px solid var(--border);
}
.solution-box blockquote {
  font-size: 1.2rem; font-weight: 500; font-style: italic;
  border-left: 3px solid var(--primary); padding-left: 20px;
  line-height: 1.7;
}
.solution-box blockquote span { color: var(--accent); font-weight: 700; font-style: normal; }

/* ── Process ── */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 48px; }

.process-step {
  text-align: center; padding: 32px 20px; border-radius: 14px;
  background: var(--bg-card); border: 1px solid var(--border);
  backdrop-filter: blur(10px); position: relative;
  transition: border-color 0.3s, transform 0.3s;
}
.process-step:hover { border-color: var(--primary); transform: translateY(-4px); }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 10px; margin-bottom: 16px;
  font-size: 1rem; font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent)); color: white;
}
.process-step h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.process-step p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }

/* ── Includes ── */
.includes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 48px; }

.include-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 20px; border-radius: 12px;
  background: var(--bg-card); border: 1px solid var(--border);
  transition: border-color 0.3s;
}
.include-item:hover { border-color: var(--accent); }
.include-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }
.include-item h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 3px; }
.include-item p { font-size: 0.85rem; color: var(--text-muted); }

/* ── Differentiator ── */
.diff-section { text-align: center; }

.diff-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 48px; max-width: 800px; margin-left: auto; margin-right: auto; }

.diff-card {
  padding: 32px; border-radius: 14px; text-align: left;
  background: var(--bg-card); border: 1px solid var(--border);
}
.diff-card.highlight { border-color: var(--primary); background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(6,182,212,0.05)); }
.diff-card .label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 12px; }
.diff-card.highlight .label { color: var(--accent); }
.diff-card ul { list-style: none; }
.diff-card ul li { padding: 6px 0; font-size: 0.9rem; color: var(--text-muted); }
.diff-card ul li::before { content: '✕ '; color: rgba(239,68,68,0.6); }
.diff-card.highlight ul li::before { content: '✓ '; color: var(--accent-green); }
.diff-card.highlight ul li { color: var(--text); }

/* ── FAQ ── */
.faq-list { max-width: 700px; margin: 48px auto 0; }

.faq-item {
  border-bottom: 1px solid var(--border); overflow: hidden;
}
.faq-question {
  width: 100%; padding: 20px 0; border: none; background: none;
  font-family: inherit; font-size: 1rem; font-weight: 600;
  color: var(--text); text-align: left; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  transition: color 0.2s;
}
.faq-question:hover { color: var(--primary-light); }
.faq-question .arrow { transition: transform 0.3s; font-size: 0.85rem; color: var(--text-muted); }
.faq-item.open .faq-question .arrow { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s; }
.faq-item.open .faq-answer { max-height: 200px; padding-bottom: 20px; }
.faq-answer p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }

/* ── Final CTA ── */
.final-cta {
  text-align: center; padding: 80px 40px; border-radius: 20px; margin: 40px 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(6,182,212,0.08));
  border: 1px solid var(--border);
}
.final-cta h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 800; margin-bottom: 16px; }
.final-cta p { color: var(--text-muted); margin-bottom: 32px; font-size: 1.05rem; }
.final-cta .sub-note { font-size: 0.85rem; color: var(--text-muted); margin-top: 16px; }

/* ── Footer ── */
footer {
  padding: 40px 0; border-top: 1px solid var(--border);
  text-align: center; font-size: 0.85rem; color: var(--text-muted);
}

/* ── Animations ── */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.7s, transform 0.7s; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .problem-grid, .includes-grid, .diff-cards { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 100px 20px 60px; }
  section { padding: 60px 0; }
  .final-cta { padding: 48px 24px; }
}

@media (max-width: 480px) {
  .process-grid { grid-template-columns: 1fr; }
  .cta-group { flex-direction: column; align-items: center; }
  .nav-cta { display: none; }
}