/* PocketEar - Brand styles
   Brand palette mirrors src/theme/colors.ts (deep teal). */

:root {
  --color-bg-deep: #1E3A3A;
  --color-bg-main: #2D5A5A;
  --color-bg-card: rgba(255, 255, 255, 0.06);
  --color-bg-card-hover: rgba(255, 255, 255, 0.10);
  --color-border: rgba(255, 255, 255, 0.12);
  --color-accent: #5ABABA;
  --color-accent-bright: #7ADEDC;
  --color-text: #FFFFFF;
  --color-text-muted: rgba(255, 255, 255, 0.72);
  --color-text-faint: rgba(255, 255, 255, 0.5);
  --color-success: #4ADE80;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --container: 1100px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: linear-gradient(180deg, var(--color-bg-deep) 0%, var(--color-bg-main) 50%, var(--color-bg-deep) 100%);
  background-attachment: fixed;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: var(--color-accent-bright); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

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

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(30, 58, 58, 0.7);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--color-text);
}

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

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}

.nav-links a:hover { color: var(--color-text); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #062626;
}
.btn-primary:hover {
  background: var(--color-accent-bright);
  transform: translateY(-1px);
  text-decoration: none;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.10);
  text-decoration: none;
}

/* Hero */
.hero {
  padding: 80px 0 64px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(122, 222, 220, 0.10);
  border: 1px solid rgba(122, 222, 220, 0.25);
  color: var(--color-accent-bright);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-bright) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  font-size: 19px;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto 36px;
}

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

.hero-meta {
  margin-top: 28px;
  font-size: 13px;
  color: var(--color-text-faint);
}

/* Sections */
section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 17px;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Feature grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.feature-card:hover {
  background: var(--color-bg-card-hover);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(122, 222, 220, 0.12);
  color: var(--color-accent-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 14px;
}

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  counter-reset: step-counter;
}

.step {
  text-align: center;
  padding: 24px;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-bright) 100%);
  color: #062626;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 22px;
  margin: 0 auto 18px;
}

.step h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step p {
  color: var(--color-text-muted);
  font-size: 14px;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.plan {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
}

.plan.featured {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent), 0 12px 40px rgba(122, 222, 220, 0.15);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #062626;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.05em;
}

.plan h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.plan-desc {
  color: var(--color-text-faint);
  font-size: 13px;
  margin-bottom: 16px;
}

.plan-quota {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 4px;
}

.plan-quota-unit {
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 400;
}

.plan-features {
  list-style: none;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.plan-features li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--color-text-muted);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.plan-features li::before {
  content: "✓";
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-note {
  text-align: center;
  color: var(--color-text-faint);
  font-size: 13px;
  margin-top: 32px;
}

/* FAQ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 12px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::after {
  content: "+";
  font-size: 22px;
  color: var(--color-accent-bright);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after { transform: rotate(45deg); }

.faq-item p {
  margin-top: 12px;
  color: var(--color-text-muted);
  font-size: 15px;
}

/* CTA */
.cta-section {
  text-align: center;
  padding: 100px 0;
}

.cta-section h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.cta-section p {
  color: var(--color-text-muted);
  font-size: 17px;
  margin-bottom: 32px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 48px 0 32px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-grid h4 {
  color: var(--color-text);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
}

.footer-grid ul { list-style: none; }
.footer-grid ul li { margin-bottom: 8px; }
.footer-grid a { color: var(--color-text-muted); }
.footer-grid a:hover { color: var(--color-text); }

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--color-text-faint);
}

/* Legal pages */
.legal {
  max-width: 780px;
  margin: 0 auto;
  padding: 64px 0;
}

.legal h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.legal .updated {
  color: var(--color-text-faint);
  font-size: 14px;
  margin-bottom: 40px;
}

.legal h2 {
  font-size: 22px;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 12px;
  color: var(--color-text);
}

.legal p {
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.legal ul {
  margin: 12px 0 16px 24px;
  color: var(--color-text-muted);
}

.legal ul li { margin-bottom: 6px; }

.legal a { word-break: break-word; }

/* Responsive */
@media (max-width: 720px) {
  .nav-links { gap: 16px; }
  .nav-links a:not(.btn) { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  section { padding: 56px 0; }
  .hero { padding: 56px 0 40px; }
}