@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --primary: #0f172a;
  --primary-700: #1e293b;
  --primary-600: #334155;
  --primary-500: #475569;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-600: #3b82f6;
  --accent-light: #dbeafe;
  --accent-glow: rgba(37,99,235,0.15);
  --accent-glow-strong: rgba(37,99,235,0.25);
  --green: #059669;
  --green-light: #d1fae5;
  --orange: #ea580c;
  --red: #dc2626;
  --bg: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-muted: #f1f5f9;
  --bg-dark: #0b1120;
  --bg-dark-700: #131c31;
  --bg-dark-600: #1a2744;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --radius: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.1);
  --shadow-accent: 0 8px 32px rgba(37,99,235,0.25);
  --max-w: 1140px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.7; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }

.fade-up { opacity: 0; transform: translateY(20px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
/* Ensure containers aren't collapsed even when children are invisible */
.pain-grid, .feature-grid, .faq-inner, .pricing-card, .testimonial-content { min-height: 1px; }

/* ── NAV ── */
.nav {
  position: fixed; top: 0; width: 100%; z-index: 100;
  background: rgba(255,255,255,0.85);
  border-bottom: 1px solid rgba(226,232,240,0.6);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto;
  padding: 14px 24px;
  display: flex; justify-content: space-between; align-items: center;
}
.logo {
  font-size: 1.3rem; font-weight: 800; color: var(--primary);
  text-decoration: none; letter-spacing: -0.03em;
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link {
  color: var(--text-secondary); text-decoration: none; font-size: 0.88rem;
  font-weight: 500; transition: color var(--transition);
}
.nav-link:hover { color: var(--primary); }
.nav-cta {
  background: var(--accent); color: #fff; border: none;
  padding: 10px 22px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.875rem; cursor: pointer;
  text-decoration: none; transition: all var(--transition);
  letter-spacing: -0.01em;
}
.nav-cta:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: var(--shadow-accent); }

/* ── HERO ── */
.hero {
  padding: 160px 24px 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, var(--accent-glow) 0%, transparent 60%),
    radial-gradient(circle at 20% 80%, rgba(37,99,235,0.04) 0%, transparent 40%),
    radial-gradient(circle at 80% 60%, rgba(37,99,235,0.04) 0%, transparent 40%);
  pointer-events: none;
}
/* Grid pattern */
.hero::after {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(0,0,0,0.02) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(0,0,0,0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 100px;
  background: var(--accent-light); color: var(--accent);
  font-size: 0.8rem; font-weight: 600; margin-bottom: 24px;
  letter-spacing: -0.01em;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s ease infinite; }
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem); font-weight: 900; line-height: 1.08;
  max-width: 760px; margin: 0 auto 20px; color: var(--primary);
  letter-spacing: -0.04em;
}
.hero .gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, #7c3aed 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero .subhead {
  font-size: 1.15rem; color: var(--text-secondary); max-width: 540px; margin: 0 auto 40px;
  line-height: 1.75; font-weight: 400;
}

/* ── CTA FORM ── */
.cta-box {
  max-width: 440px; margin: 0 auto;
  display: flex; gap: 8px;
}
.cta-box input {
  flex: 1; padding: 15px 18px; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); font-size: 0.95rem;
  font-family: inherit; transition: all var(--transition);
  background: var(--bg);
}
.cta-box input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-glow); }
.cta-box button {
  background: var(--accent); color: #fff; border: none;
  padding: 15px 28px; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 0.95rem; cursor: pointer;
  white-space: nowrap; transition: all var(--transition);
  font-family: inherit;
}
.cta-box button:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: var(--shadow-accent); }
.cta-note { font-size: 0.8rem; color: var(--text-muted); margin-top: 16px; }

/* ── SOCIAL PROOF BAR ── */
.proof-bar {
  padding: 48px 24px;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-subtle);
}
.proof-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; justify-content: center; gap: 48px; flex-wrap: wrap;
  align-items: center;
}
.proof-stat { text-align: center; }
.proof-stat .num {
  font-size: 2rem; font-weight: 800; color: var(--primary);
  letter-spacing: -0.03em; line-height: 1;
}
.proof-stat .label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; margin-top: 4px; }
.proof-divider { width: 1px; height: 40px; background: var(--border); }

/* ── PAIN SECTION ── */
.pain {
  padding: 96px 24px;
  background: var(--bg);
}
.pain-inner { max-width: var(--max-w); margin: 0 auto; }
.section-label {
  text-align: center; font-size: 0.8rem; font-weight: 700;
  color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.section-title {
  text-align: center; font-size: 2rem; font-weight: 800;
  color: var(--primary); letter-spacing: -0.03em; margin-bottom: 10px;
  line-height: 1.2;
}
.section-subtitle {
  text-align: center; color: var(--text-secondary); margin-bottom: 56px;
  font-size: 1.05rem; max-width: 560px; margin-left: auto; margin-right: auto;
}
.pain-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; max-width: 960px; margin: 0 auto;
}
.pain-card {
  background: var(--bg); padding: 32px 24px; border-radius: var(--radius);
  border: 1px solid var(--border); transition: all var(--transition);
  position: relative; overflow: hidden;
}
.pain-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), #7c3aed);
  opacity: 0; transition: opacity var(--transition);
}
.pain-card:hover { box-shadow: var(--shadow-md); border-color: transparent; transform: translateY(-4px); }
.pain-card:hover::before { opacity: 1; }
.pain-card .num { font-size: 2.4rem; font-weight: 900; color: var(--accent); letter-spacing: -0.04em; line-height: 1; }
.pain-card p { color: var(--text-secondary); margin-top: 10px; font-size: 0.9rem; line-height: 1.55; }

/* ── FEATURES ── */
.features {
  padding: 96px 24px;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border-light);
}
.features-inner { max-width: var(--max-w); margin: 0 auto; }
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px; max-width: 960px; margin: 0 auto;
}
.feature-card {
  background: var(--bg); padding: 32px 28px; border-radius: var(--radius);
  border: 1px solid var(--border); transition: all var(--transition);
}
.feature-card:hover { box-shadow: var(--shadow-md); border-color: transparent; transform: translateY(-4px); }
.feature-card .icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--accent-light); display: flex; align-items: center;
  justify-content: center; font-size: 1.4rem; margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 1.05rem; font-weight: 700; color: var(--primary);
  margin-bottom: 8px; letter-spacing: -0.01em;
}
.feature-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.65; }

/* ── TESTIMONIAL ── */
.testimonial {
  padding: 96px 24px; text-align: center;
  background: var(--bg-dark);
  position: relative; overflow: hidden;
}
.testimonial::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(37,99,235,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.testimonial-content { position: relative; z-index: 1; }
.testimonial .quote-mark {
  font-size: 4rem; color: var(--accent); opacity: 0.4; line-height: 1; margin-bottom: -12px;
}
.testimonial blockquote {
  font-size: 1.4rem; font-style: normal; max-width: 640px; margin: 0 auto 24px;
  line-height: 1.7; font-weight: 500; letter-spacing: -0.01em; color: #fff;
}
.testimonial cite { font-size: 0.9rem; color: var(--text-muted); font-style: normal; display: block; }
.testimonial .cite-role { font-size: 0.8rem; color: rgba(148,163,184,0.7); margin-top: 4px; }

/* ── PRICING ── */
.pricing {
  padding: 96px 24px; text-align: center;
  background: var(--bg);
}
.pricing-card {
  max-width: 420px; margin: 40px auto 0;
  background: var(--bg); border: 2px solid var(--accent);
  border-radius: var(--radius); padding: 40px 36px;
  position: relative;
  box-shadow: 0 0 0 1px rgba(37,99,235,0.1), var(--shadow-md);
}
.pricing-card .popular {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #fff; padding: 4px 16px;
  border-radius: 100px; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.02em;
}
.pricing .price {
  font-size: 4rem; font-weight: 900; color: var(--primary); margin: 16px 0 4px;
  letter-spacing: -0.05em; line-height: 1;
}
.pricing .price span { font-size: 1rem; font-weight: 500; color: var(--text-secondary); }
.pricing .price-note { color: var(--text-muted); margin-bottom: 24px; font-size: 0.88rem; }
.pricing-features {
  text-align: left; margin: 24px 0;
  display: flex; flex-direction: column; gap: 12px;
}
.pricing-features li {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.9rem; color: var(--text-secondary); list-style: none;
}
.pricing-features .check {
  width: 20px; height: 20px; border-radius: 50%; flex-shrink: 0;
  background: var(--green-light); color: var(--green);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 700;
}
.pricing-cta {
  display: block; width: 100%; padding: 16px; border: none;
  background: var(--accent); color: #fff; border-radius: var(--radius-sm);
  font-size: 1rem; font-weight: 700; cursor: pointer;
  transition: all var(--transition); font-family: inherit;
  text-decoration: none; text-align: center; margin-top: 8px;
}
.pricing-cta:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: var(--shadow-accent); }
.pricing-example {
  font-size: 0.85rem; color: var(--text-muted); margin-top: 16px;
}

/* ── FAQ ── */
.faq { padding: 96px 24px; background: var(--bg-subtle); border-top: 1px solid var(--border-light); }
.faq-inner { max-width: 680px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border); overflow: hidden;
}
.faq-q {
  padding: 20px 0; cursor: pointer; display: flex;
  justify-content: space-between; align-items: center;
  font-weight: 600; font-size: 1rem; color: var(--primary);
  background: none; border: none; width: 100%; text-align: left;
  font-family: inherit; transition: color var(--transition);
}
.faq-q:hover { color: var(--accent); }
.faq-q .arrow { transition: transform 0.3s ease; font-size: 0.8rem; color: var(--text-muted); }
.faq-item.open .faq-q .arrow { transform: rotate(180deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease;
  color: var(--text-secondary); font-size: 0.92rem; line-height: 1.7;
}
.faq-item.open .faq-a { max-height: 200px; padding-bottom: 20px; }

/* ── TRUST ── */
.trust {
  padding: 40px 24px; text-align: center;
  border-top: 1px solid var(--border-light);
}
.trust-badges {
  display: flex; justify-content: center; gap: 32px; flex-wrap: wrap;
  color: var(--text-muted); font-size: 0.85rem; font-weight: 500;
}
.trust-badges span { display: flex; align-items: center; gap: 6px; }

/* ── BOTTOM CTA ── */
.bottom-cta {
  padding: 112px 24px; text-align: center;
  background: var(--bg-dark);
  position: relative; overflow: hidden;
}
.bottom-cta::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 100%, rgba(37,99,235,0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 0%, rgba(124,58,237,0.08) 0%, transparent 50%);
  pointer-events: none;
}
.bottom-cta-content { position: relative; z-index: 1; }
.bottom-cta h2 {
  font-size: 2.2rem; font-weight: 800; letter-spacing: -0.03em;
  color: #fff; margin-bottom: 14px;
}
.bottom-cta p { color: var(--text-muted); margin-bottom: 36px; max-width: 460px; margin-left: auto; margin-right: auto; font-size: 1.05rem; }
.bottom-cta .cta-box input {
  background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.12); color: #fff;
}
.bottom-cta .cta-box input::placeholder { color: rgba(255,255,255,0.4); }
.bottom-cta .cta-box input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(37,99,235,0.2); }

/* ── FOOTER ── */
.footer {
  padding: 28px 24px; text-align: center;
  font-size: 0.8rem; color: var(--text-muted);
  border-top: 1px solid var(--border-light);
}

/* ── VARIANT NAV ── */
.variant-nav {
  background: var(--bg-subtle); padding: 28px 24px; text-align: center;
  border-top: 1px solid var(--border-light);
}
.variant-nav p { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 8px; }
.variant-nav a {
  color: var(--accent); margin: 0 14px; font-size: 0.85rem;
  text-decoration: none; font-weight: 500; transition: color var(--transition);
}
.variant-nav a:hover { color: var(--accent-hover); }

/* ── STICKY CTA ── */
.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 99;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  padding: 14px 24px;
  transform: translateY(100%); transition: transform 0.4s ease;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.06);
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; justify-content: center; align-items: center; gap: 16px;
}
.sticky-inner p { font-size: 0.88rem; font-weight: 600; color: var(--primary); white-space: nowrap; }
.sticky-inner .cta-box { margin: 0; max-width: 320px; flex-shrink: 0; }
.sticky-inner .cta-box input { padding: 10px 14px; font-size: 0.88rem; }
.sticky-inner .cta-box button { padding: 10px 18px; font-size: 0.88rem; }

/* ── SUCCESS MSG ── */
.success-msg {
  display: none; padding: 14px 18px; background: var(--green-light);
  border: 1px solid #a7f3d0; border-radius: var(--radius-sm);
  color: var(--green); font-weight: 600; margin-top: 12px;
  font-size: 0.9rem;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .hero { padding: 130px 20px 70px; }
  .cta-box { flex-direction: column; }
  .pain-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .proof-inner { gap: 24px; }
  .proof-divider { display: none; }
  .nav-links { gap: 16px; }
  .nav-link { display: none; }
  .sticky-inner p { display: none; }
  .sticky-inner .cta-box { max-width: 100%; flex: 1; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .hero .subhead { font-size: 1rem; }
  .pain-grid { grid-template-columns: 1fr; }
  .pricing-card { padding: 32px 24px; }
}