/* ============================================
   VIBESECURE LANDING — Premium Static Site
   Dark Mode | Glassmorphism | Animations
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-primary: hsl(225, 25%, 6%);
  --bg-secondary: hsl(225, 22%, 10%);
  --bg-surface: hsl(225, 20%, 13%);
  --bg-surface-hover: hsl(225, 20%, 16%);
  --accent-green: hsl(145, 80%, 50%);
  --accent-green-glow: hsla(145, 80%, 50%, 0.15);
  --accent-amber: hsl(38, 95%, 55%);
  --accent-amber-glow: hsla(38, 95%, 55%, 0.15);
  --accent-red: hsl(0, 85%, 60%);
  --accent-red-glow: hsla(0, 85%, 60%, 0.15);
  --accent-blue: hsl(210, 90%, 60%);
  --accent-blue-glow: hsla(210, 90%, 60%, 0.12);
  --accent-purple: hsl(265, 80%, 65%);
  --text-primary: hsl(0, 0%, 95%);
  --text-secondary: hsl(225, 15%, 55%);
  --text-tertiary: hsl(225, 12%, 38%);
  --text-inverse: hsl(225, 25%, 6%);
  --border-subtle: hsla(225, 20%, 40%, 0.15);
  --border-default: hsla(225, 20%, 50%, 0.2);
  --glass-bg: hsla(225, 20%, 13%, 0.6);
  --glass-border: hsla(225, 20%, 50%, 0.12);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

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

a { color: var(--accent-blue); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-green); }

img { max-width: 100%; height: auto; }

/* ── Nav ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: hsla(225, 25%, 6%, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 2rem;
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav__brand {
  font-size: 1.3rem; font-weight: 800; letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav__links { display: flex; gap: 2rem; align-items: center; }
.nav__links a {
  font-size: 0.875rem; font-weight: 500; color: var(--text-secondary);
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--text-primary); }
.nav__cta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 1.25rem; border-radius: 8px; font-weight: 600; font-size: 0.85rem;
  background: linear-gradient(135deg, var(--accent-green), hsl(160, 75%, 45%));
  color: var(--text-inverse); border: none; cursor: pointer;
  transition: all 0.2s; box-shadow: 0 0 20px hsla(145, 80%, 50%, 0.2);
}
.nav__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 30px hsla(145, 80%, 50%, 0.35);
  color: var(--text-inverse);
}

/* ── Hero ── */
.hero {
  min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 6rem 1.5rem 4rem; position: relative;
}
.hero::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 50% 20%, hsla(145, 80%, 50%, 0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 80%, hsla(210, 90%, 60%, 0.04) 0%, transparent 50%);
  pointer-events: none;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 1rem; border-radius: 9999px; font-size: 0.8rem; font-weight: 600;
  background: var(--accent-red-glow); color: var(--accent-red);
  margin-bottom: 2rem; animation: fadeInUp 0.6s ease both;
  border: 1px solid hsla(0, 85%, 60%, 0.2);
}
.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 900;
  line-height: 1.08; letter-spacing: -0.03em; max-width: 900px;
  margin-bottom: 1.5rem; animation: fadeInUp 0.6s 0.1s ease both;
}
.hero__title span {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem); color: var(--text-secondary);
  max-width: 600px; margin-bottom: 2.5rem; line-height: 1.7;
  animation: fadeInUp 0.6s 0.2s ease both;
}
.hero__actions {
  display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center;
  animation: fadeInUp 0.6s 0.3s ease both;
}
.btn-hero {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.875rem 2rem; border-radius: 12px; font-weight: 700; font-size: 1rem;
  border: none; cursor: pointer; transition: all 0.2s;
}
.btn-hero--primary {
  background: linear-gradient(135deg, var(--accent-green), hsl(160, 75%, 45%));
  color: var(--text-inverse);
  box-shadow: 0 0 30px hsla(145, 80%, 50%, 0.25);
}
.btn-hero--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px hsla(145, 80%, 50%, 0.4);
}
.btn-hero--secondary {
  background: var(--bg-surface); color: var(--text-primary);
  border: 1px solid var(--border-default);
}
.btn-hero--secondary:hover {
  background: var(--bg-surface-hover);
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}
.hero__counter {
  margin-top: 3rem; display: flex; gap: 3rem;
  animation: fadeInUp 0.6s 0.4s ease both;
}
.hero__counter-item { text-align: center; }
.hero__counter-value {
  font-size: 2rem; font-weight: 800; letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__counter-label {
  font-size: 0.75rem; color: var(--text-tertiary); text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ── Section ── */
.section {
  padding: 6rem 1.5rem; max-width: 1200px; margin: 0 auto;
}
.section--alt { background: var(--bg-secondary); max-width: none; }
.section--alt > .section__inner { max-width: 1200px; margin: 0 auto; }
.section__tag {
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.15em; color: var(--accent-green); margin-bottom: 0.75rem;
}
.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 1rem; line-height: 1.15;
}
.section__subtitle {
  font-size: 1.05rem; color: var(--text-secondary); max-width: 600px;
  line-height: 1.7; margin-bottom: 3rem;
}
.section--center { text-align: center; }
.section--center .section__subtitle { margin-left: auto; margin-right: auto; }

/* ── Problem/Solution ── */
.problem-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.problem-card {
  background: var(--glass-bg); backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border); border-radius: 16px;
  padding: 2rem; transition: all 0.25s;
}
.problem-card:hover {
  border-color: var(--border-default); transform: translateY(-4px);
  box-shadow: 0 8px 32px hsla(0, 0%, 0%, 0.4);
}
.problem-card__icon { font-size: 2rem; margin-bottom: 1rem; }
.problem-card__title { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.problem-card__text { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

/* ── Steps ── */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.step {
  text-align: center; padding: 2rem 1.5rem;
  background: var(--glass-bg); backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border); border-radius: 16px;
  transition: all 0.25s; position: relative;
}
.step:hover { border-color: var(--accent-green); transform: translateY(-4px); }
.step__number {
  width: 48px; height: 48px; border-radius: 50%; display: flex;
  align-items: center; justify-content: center; margin: 0 auto 1.25rem;
  background: linear-gradient(135deg, var(--accent-green), hsl(160, 75%, 45%));
  color: var(--text-inverse); font-weight: 800; font-size: 1.2rem;
}
.step__title { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.step__text { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

/* ── Skills Grid ── */
.skills-showcase {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.skill-item {
  background: var(--glass-bg); backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border); border-radius: 14px;
  padding: 1.5rem; transition: all 0.25s; position: relative; overflow: hidden;
}
.skill-item::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-blue));
  opacity: 0; transition: opacity 0.25s;
}
.skill-item:hover { border-color: var(--accent-green); transform: translateY(-3px); }
.skill-item:hover::before { opacity: 1; }
.skill-item__header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 0.5rem; }
.skill-item__icon { font-size: 1.5rem; }
.skill-item__badge {
  padding: 0.15rem 0.5rem; border-radius: 9999px; font-size: 0.65rem;
  font-weight: 700; text-transform: uppercase;
}
.skill-item__badge--free { background: var(--accent-green-glow); color: var(--accent-green); }
.skill-item__badge--pro { background: var(--accent-amber-glow); color: var(--accent-amber); }
.skill-item__title { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.25rem; }
.skill-item__desc { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.5; }

/* ── Pricing ── */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; max-width: 800px; margin: 0 auto; }
.pricing-card {
  background: var(--glass-bg); backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border); border-radius: 20px;
  padding: 2.5rem; text-align: center; transition: all 0.3s;
}
.pricing-card--featured {
  border-color: var(--accent-green);
  box-shadow: 0 0 40px hsla(145, 80%, 50%, 0.12);
  position: relative;
}
.pricing-card--featured::before {
  content: 'MOST POPULAR'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent-green), hsl(160, 75%, 45%));
  color: var(--text-inverse); padding: 0.3rem 1rem; border-radius: 9999px;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em;
}
.pricing-card:hover { transform: translateY(-4px); }
.pricing-card__name { font-size: 1.1rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 1rem; }
.pricing-card__price { font-size: 3rem; font-weight: 900; letter-spacing: -0.03em; margin-bottom: 0.25rem; }
.pricing-card__period { font-size: 0.85rem; color: var(--text-tertiary); margin-bottom: 2rem; }
.pricing-card__features { list-style: none; text-align: left; margin-bottom: 2rem; }
.pricing-card__features li {
  padding: 0.5rem 0; font-size: 0.9rem; color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
  display: flex; align-items: center; gap: 0.5rem;
}
.pricing-card__features li::before { content: '✓'; color: var(--accent-green); font-weight: 700; }
.pricing-card__btn {
  width: 100%; padding: 0.875rem; border-radius: 12px; font-weight: 700;
  font-size: 0.95rem; border: none; cursor: pointer; transition: all 0.2s;
}
.pricing-card__btn--primary {
  background: linear-gradient(135deg, var(--accent-green), hsl(160, 75%, 45%));
  color: var(--text-inverse);
}
.pricing-card__btn--secondary {
  background: var(--bg-surface); color: var(--text-primary);
  border: 1px solid var(--border-default);
}

/* ── CTA ── */
.cta-section {
  text-align: center; padding: 6rem 1.5rem;
  background: linear-gradient(180deg, var(--bg-primary) 0%, hsl(225, 25%, 8%) 100%);
}
.cta-section__title {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 900;
  margin-bottom: 1rem; letter-spacing: -0.02em;
}
.cta-section__text { color: var(--text-secondary); max-width: 500px; margin: 0 auto 2rem; font-size: 1.05rem; }

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border-subtle); padding: 3rem 1.5rem 2rem;
  max-width: 1200px; margin: 0 auto;
}
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 2rem; }
.footer__brand { font-size: 1.2rem; font-weight: 800; margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.footer__desc { font-size: 0.85rem; color: var(--text-tertiary); line-height: 1.6; max-width: 300px; }
.footer__col-title { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1rem; color: var(--text-secondary); }
.footer__col a { display: block; font-size: 0.85rem; color: var(--text-tertiary); margin-bottom: 0.5rem; }
.footer__col a:hover { color: var(--text-primary); }
.footer__bottom {
  border-top: 1px solid var(--border-subtle); padding-top: 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.8rem; color: var(--text-tertiary);
}

/* ── Legal Pages ── */
.legal { max-width: 800px; margin: 0 auto; padding: 7rem 1.5rem 4rem; }
.legal h1 { font-size: 2rem; margin-bottom: 0.5rem; }
.legal .legal__date { color: var(--text-tertiary); font-size: 0.85rem; margin-bottom: 2rem; }
.legal h2 { font-size: 1.3rem; margin-top: 2.5rem; margin-bottom: 0.75rem; color: var(--accent-green); }
.legal p, .legal li { color: var(--text-secondary); line-height: 1.8; margin-bottom: 1rem; font-size: 0.95rem; }
.legal ul { padding-left: 1.5rem; }
.legal strong { color: var(--text-primary); }

/* ── Animations ── */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse-glow { 0%, 100% { box-shadow: 0 0 8px hsla(145, 80%, 50%, 0.15); } 50% { box-shadow: 0 0 24px hsla(145, 80%, 50%, 0.3); } }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav__links a:not(.nav__cta) { display: none; }
  .hero__counter { gap: 1.5rem; }
  .hero__counter-value { font-size: 1.5rem; }
  .steps { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .pricing-grid { grid-template-columns: 1fr; }
}