/* ═══════════════════════════════════════════════════════════════
   Optify — Modern Glass Website
   ═══════════════════════════════════════════════════════════════ */

:root {
  --sage: #7BAF8E;
  --sage-light: #A3CCAF;
  --sage-dark: #5E8A6E;
  --cream: #FBF8F1;
  --cream-dark: #F3EDE4;
  --text-primary: #1a1a1a;
  --text-secondary: #555;
  --text-tertiary: #999;
  --surface: rgba(255, 255, 255, 0.55);
  --surface-border: rgba(255, 255, 255, 0.4);
  --surface-solid: #FFFDFA;
  --divider: rgba(0, 0, 0, 0.06);
  --glass-blur: 24px;
  --radius: 24px;
  --radius-sm: 16px;
  --radius-lg: 32px;
  --radius-xl: 40px;
  --max-width: 1140px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --cream: #0a0a0a;
    --cream-dark: #111;
    --text-primary: #f0ede8;
    --text-secondary: #aaa;
    --text-tertiary: #666;
    --surface: rgba(255, 255, 255, 0.06);
    --surface-border: rgba(255, 255, 255, 0.1);
    --surface-solid: #1a1a1a;
    --divider: rgba(255, 255, 255, 0.06);
  }
}

/* ── Reset ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
  background: var(--cream);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ── Animated Background Orbs ────────────────────────────────── */
.bg-orbs {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}
.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: orbFloat 20s ease-in-out infinite;
}
.bg-orb-1 {
  width: 600px; height: 600px;
  background: var(--sage);
  top: -200px; right: -100px;
  animation-delay: 0s;
}
.bg-orb-2 {
  width: 500px; height: 500px;
  background: var(--sage-light);
  bottom: -150px; left: -150px;
  animation-delay: -7s;
  animation-duration: 25s;
}
.bg-orb-3 {
  width: 350px; height: 350px;
  background: #D4A574;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
  animation-duration: 30s;
  opacity: 0.2;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(40px, -60px) scale(1.05); }
  50% { transform: translate(-30px, 40px) scale(0.95); }
  75% { transform: translate(50px, 20px) scale(1.02); }
}

/* ── Glass Card Mixin ────────────────────────────────────────── */
.glass {
  background: var(--surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
}

/* ── Scroll Animations ───────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ── Navigation ──────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 32px);
  max-width: 700px;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 10px 10px 20px;
  background: var(--surface);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--surface-border);
  border-radius: 999px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.06);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text-primary);
}

.nav-brand img { width: 32px; height: 32px; border-radius: 8px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 999px;
  transition: all 0.25s var(--ease);
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(123, 175, 142, 0.08);
}

.nav-cta {
  background: var(--sage) !important;
  color: white !important;
  font-weight: 600 !important;
  padding: 8px 20px !important;
}

.nav-cta:hover {
  background: var(--sage-dark) !important;
  transform: scale(1.02);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  margin: 4px 0;
  border-radius: 2px;
  transition: 0.3s var(--ease);
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  padding: 160px 0 60px;
  text-align: center;
  position: relative;
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px 6px 8px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--sage-dark);
  margin-bottom: 28px;
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--surface-border);
}

.hero-chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sage);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
  font-size: clamp(44px, 7vw, 72px);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: 20px;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--sage), var(--sage-light), #D4A574);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 40px;
  line-height: 1.65;
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s var(--ease);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--sage);
  color: white;
  box-shadow: 0 4px 20px rgba(123,175,142,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(123,175,142,0.35);
}

.btn-glass {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--surface-border);
  color: var(--text-primary);
}
.btn-glass:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,0.7);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

@media (prefers-color-scheme: dark) {
  .btn-glass:hover { background: rgba(255,255,255,0.1); }
}

/* ── Screenshots (Staggered Cascade) ─────────────────────────── */
.screenshots {
  padding: 20px 0 100px;
  overflow: hidden;
}

.screenshots-cascade {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.cascade-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex-shrink: 0;
}

.cascade-left { padding-top: 60px; }
.cascade-right { padding-top: 40px; }

.cascade-card {
  width: 220px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
  box-shadow: 0 16px 48px rgba(0,0,0,0.08);
}

.cascade-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 24px 64px rgba(0,0,0,0.12);
}

.cascade-card img { width: 100%; height: auto; display: block; }

.cascade-hero {
  width: 260px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.12);
}

.cascade-hero:hover {
  transform: translateY(-14px) scale(1.03);
  box-shadow: 0 32px 80px rgba(0,0,0,0.16);
}

/* ── Stats Row ───────────────────────────────────────────────── */
.stats {
  padding: 40px 0 80px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stat-card {
  text-align: center;
  padding: 28px 16px;
  border-radius: var(--radius);
  background: var(--surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--surface-border);
  transition: transform 0.4s var(--ease);
}

.stat-card:hover { transform: translateY(-4px); }

.stat-number {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--sage), var(--sage-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 13px;
  color: var(--text-tertiary);
  font-weight: 500;
  margin-top: 4px;
}

/* ── Features ────────────────────────────────────────────────── */
.features { padding: 80px 0; }

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--sage);
  background: rgba(123,175,142,0.1);
  border: 1px solid rgba(123,175,142,0.15);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(30px, 4.5vw, 44px);
  font-weight: 800;
  letter-spacing: -1.2px;
  line-height: 1.1;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.6;
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  padding: 32px 24px;
  border-radius: var(--radius);
  background: var(--surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--surface-border);
  transition: all 0.4s var(--ease);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--surface-border), transparent);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.06);
  border-color: rgba(123,175,142,0.2);
}

.feature-emoji {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ── Personas Section ────────────────────────────────────────── */
.personas { padding: 80px 0; }

.personas-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 48px;
}

.personas-phone {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.12);
  transition: transform 0.6s var(--ease);
}

.personas-phone:hover { transform: translateY(-8px) rotate(-1deg); }
.personas-phone img { width: 100%; }

.personas-content h3 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.6px;
  margin-bottom: 14px;
}

.personas-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 24px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--surface-border);
  color: var(--sage-dark);
  transition: all 0.25s var(--ease);
}

.tag:hover {
  background: rgba(123,175,142,0.12);
  border-color: rgba(123,175,142,0.25);
  transform: translateY(-2px);
}

/* ── CTA ─────────────────────────────────────────────────────── */
.cta { padding: 80px 0; }

.cta-card {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 72px 48px;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--sage), var(--sage-light));
  color: white;
}

.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.2), transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(255,255,255,0.1), transparent 50%);
}

.cta-card > * { position: relative; z-index: 1; }

.cta-card h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.cta-card p {
  font-size: 16px;
  opacity: 0.9;
  max-width: 400px;
  margin: 0 auto 32px;
}

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: white;
  color: var(--sage-dark);
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  transition: all 0.3s var(--ease);
  border: none;
  cursor: pointer;
}

.btn-white:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0,0,0,0.15);
}

/* ── Footer ──────────────────────────────────────────────────── */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--divider);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-brand { max-width: 260px; }

.footer-brand-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-brand-title img { width: 24px; height: 24px; border-radius: 6px; }

.footer-brand p {
  font-size: 13px;
  color: var(--text-tertiary);
  line-height: 1.5;
}

.footer-cols { display: flex; gap: 48px; }

.footer-col h5 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.25s;
}
.footer-col a:hover { color: var(--sage); }

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--divider);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-tertiary);
}

/* ── Legal Pages ─────────────────────────────────────────────── */
.legal-page { padding: 120px 0 80px; }
.legal-page .container { max-width: 680px; }

.legal-page h1 {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 6px;
}

.legal-meta {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--divider);
}

.legal-page h2 {
  font-size: 18px;
  font-weight: 700;
  margin-top: 36px;
  margin-bottom: 12px;
  letter-spacing: -0.2px;
}

.legal-page p, .legal-page li {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 12px;
}

.legal-page ul { padding-left: 20px; margin-bottom: 16px; }
.legal-page li { margin-bottom: 6px; }
.legal-page a { color: var(--sage); font-weight: 500; }
.legal-page a:hover { text-decoration: underline; }

/* ── Support Page ────────────────────────────────────────────── */
.support-page { padding: 120px 0 80px; }
.support-page .container { max-width: 680px; }

.support-page h1 {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 8px;
}

.support-page .subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 36px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  border-radius: var(--radius);
  background: var(--surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--surface-border);
  margin-bottom: 40px;
  transition: transform 0.3s var(--ease);
}

.contact-card:hover { transform: translateY(-2px); }

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(123,175,142,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 2px; }
.contact-card p { font-size: 13px; color: var(--text-secondary); }
.contact-card a { color: var(--sage); font-weight: 600; }
.contact-card a:hover { text-decoration: underline; }

.faq-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 20px;
}

.faq-item {
  margin-bottom: 10px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--surface-border);
  overflow: hidden;
  transition: border-color 0.3s;
}

.faq-item.open { border-color: rgba(123,175,142,0.25); }

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 18px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: color 0.25s;
}

.faq-question:hover { color: var(--sage); }

.faq-chevron {
  font-size: 16px;
  transition: transform 0.35s var(--ease);
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.faq-item.open .faq-chevron { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}

.faq-answer-inner {
  padding: 0 20px 18px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.65;
}

.faq-answer-inner a { color: var(--sage); }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: calc(100% + 8px);
    left: 0; right: 0;
    background: var(--surface);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius);
    padding: 12px;
    gap: 4px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  }
  .nav-links.open a { padding: 12px 16px; width: 100%; }

  .hero { padding: 130px 0 40px; }
  .hero p { font-size: 16px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }

  .screenshots-cascade { gap: 12px; }
  .cascade-card { width: 160px; }
  .cascade-hero { width: 190px; }
  .cascade-left { padding-top: 40px; }
  .cascade-right { padding-top: 24px; }

  .personas-layout {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .personas-phone { max-width: 260px; margin: 0 auto; }
  .tags { justify-content: center; }

  .cta-card { padding: 48px 24px; }

  .footer-grid { flex-direction: column; gap: 32px; }
  .footer-cols { gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
}

@media (max-width: 480px) {
  .hero-buttons { flex-direction: column; width: 100%; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 20px 12px; }
}