/* ============================================================
   AURA — Marketing Website Styles
   Design system: mirrors aura-app/src/theme/colors.ts
   ============================================================ */

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

/* --- CSS Variables ----------------------------------------- */
:root {
  --bg-primary:    #000000;
  --bg-secondary:  #1A1A1A;
  --bg-tertiary:   #2A2A2A;
  --turquoise:     #18DCD7;
  --electric-blue: #00A0DC;
  --hot-pink:      #FF10F0;
  --neon-pink:     #FF006E;
  --text-primary:  rgba(255, 255, 255, 0.95);
  --text-secondary:#A8A8A8;
  --border:        #2A2A2A;
  --border-light:  #3A3A3A;
  --font:          'Inter', sans-serif;
  --max-w:         1100px;
  --radius:        16px;
  --transition:    0.2s ease;
}

/* --- Reset -------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* --- Utility ----------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--turquoise) 0%, var(--hot-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.25px;
  cursor: pointer;
  border: none;
  transition: transform var(--transition), opacity var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { transform: scale(1.03); }
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--turquoise), var(--electric-blue));
  color: #000;
}
.btn-primary:hover {
  box-shadow: 0 0 24px rgba(24, 220, 215, 0.4);
}
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-light);
}
.btn-outline:hover {
  border-color: var(--turquoise);
  color: var(--turquoise);
}
.btn-store {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1.5px solid var(--border-light);
  padding: 12px 22px;
  border-radius: 14px;
  font-size: 14px;
}
.btn-store:hover {
  border-color: var(--turquoise);
  box-shadow: 0 0 16px rgba(24, 220, 215, 0.2);
}
.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--turquoise);
  background: rgba(24, 220, 215, 0.1);
  border: 1px solid rgba(24, 220, 215, 0.25);
  border-radius: 100px;
  padding: 4px 14px;
  margin-bottom: 16px;
}

/* --- Nav ---------------------------------------------------- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo img {
  height: 28px;
  width: auto;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Hero --------------------------------------------------- */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(ellipse, rgba(24,220,215,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(255,16,240,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 32px;
}
.hero-badge span { color: var(--turquoise); font-weight: 600; }
.hero h1 {
  font-size: clamp(48px, 7vw, 80px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.hero p {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.65;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 80px;
}
.store-icon { font-size: 20px; }
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  gap: 20px;
  align-items: flex-end;
}
.phone-mockup {
  width: 220px;
  height: 440px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-light);
  border-radius: 36px;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}
.phone-mockup.main {
  width: 240px;
  height: 480px;
  border-color: var(--turquoise);
  box-shadow: 0 0 40px rgba(24,220,215,0.2), 0 40px 80px rgba(0,0,0,0.5);
}
.phone-mockup::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 6px;
  background: var(--border-light);
  border-radius: 3px;
}
.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 16px 16px;
  gap: 12px;
}
.phone-screen-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}
.phone-score {
  font-size: 52px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--turquoise), var(--hot-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.phone-score-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}
.phone-vibes {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 4px;
}
.vibe-pill {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}
.phone-side { opacity: 0.5; transform: scale(0.9); }

/* --- Features ----------------------------------------------- */
.features {
  padding: 100px 0;
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header h2 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 16px;
}
.section-header p {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--turquoise), var(--hot-pink));
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: 0 24px 48px rgba(0,0,0,0.3);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}
.feature-icon.teal  { background: rgba(24,220,215,0.12); }
.feature-icon.pink  { background: rgba(255,16,240,0.12); }
.feature-icon.blue  { background: rgba(0,160,220,0.12); }
.feature-step {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--turquoise);
  margin-bottom: 8px;
}
.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.25px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Screenshots -------------------------------------------- */
.screenshots {
  padding: 100px 0;
  background: var(--bg-secondary);
}
.screenshots-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 16px 24px 32px;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-snap-type: x mandatory;
}
.screenshots-scroll::-webkit-scrollbar { display: none; }
.screenshot-card {
  flex-shrink: 0;
  width: 220px;
  height: 420px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  border-radius: 28px;
  overflow: hidden;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: border-color var(--transition);
}
.screenshot-card:hover { border-color: var(--turquoise); }
.screenshot-card .ss-icon { font-size: 32px; }
.screenshot-card .ss-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}
.screenshots-hint {
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 16px;
}

/* --- FAQ ---------------------------------------------------- */
.faq {
  padding: 100px 0;
}
.faq-list {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item.open { border-color: var(--border-light); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  gap: 16px;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--turquoise); }
.faq-item.open .faq-question { color: var(--turquoise); }
.faq-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--text-secondary);
  transition: transform 0.3s ease, color 0.3s ease;
}
.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--turquoise);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}
.faq-answer p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --- CTA Banner --------------------------------------------- */
.cta-banner {
  padding: 100px 0;
}
.cta-inner {
  background: linear-gradient(135deg, rgba(24,220,215,0.08), rgba(255,16,240,0.08));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 72px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-inner::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(24,220,215,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.cta-inner h2 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.cta-inner p {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 36px;
}
.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Footer ------------------------------------------------- */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}
.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.footer-brand { display: flex; flex-direction: column; gap: 12px; }
.footer-brand img { height: 24px; width: auto; }
.footer-brand p {
  font-size: 13px;
  color: var(--text-secondary);
  max-width: 260px;
}
.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.footer-col h4 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--text-primary); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-secondary);
}
.footer-bottom-links {
  display: flex;
  gap: 24px;
}
.footer-bottom-links a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.footer-bottom-links a:hover { color: var(--text-primary); }

/* --- Page header (privacy/terms) ---------------------------- */
.page-header {
  padding: 120px 0 60px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 60px;
}
.page-header h1 {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 8px;
}
.page-header p { font-size: 15px; color: var(--text-secondary); }
.legal-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px 80px;
}
.legal-content h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 40px 0 12px;
  letter-spacing: -0.25px;
}
.legal-content h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 28px 0 8px;
}
.legal-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}
.legal-content ul {
  padding-left: 20px;
  margin-bottom: 12px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}
.legal-content a { color: var(--turquoise); text-decoration: underline; }

/* --- Responsive --------------------------------------------- */
@media (max-width: 900px) {
  .features-grid { grid-template-columns: 1fr; gap: 16px; }
  .phone-mockup:not(.main) { display: none; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-cta .btn:not(.btn-primary) { display: none; }
  .hero { padding: 120px 0 60px; }
  .features, .faq, .cta-banner { padding: 72px 0; }
  .screenshots { padding: 72px 0; }
  .cta-inner { padding: 48px 24px; }
  .footer-inner { flex-direction: column; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn-store { justify-content: center; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-actions .btn { justify-content: center; }
}