/* ── Light mode (default) ── */
:root {
  color-scheme: light dark;
  --bg: #F5F5F7;
  --surface: #FFFFFF;
  --surface-elevated: #FFFFFF;
  --border: #D5D5D5;
  --border-light: #E8E8E8;
  --text: #1A1A1A;
  --text-secondary: #444444;
  --text-tertiary: #6B6B6B;
  --accent: #FF385C;
  --accent-hover: #E31C5F;
  --accent-light: rgba(255, 56, 92, 0.08);
  --success: #00796B;
  --warning: #FFB400;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Light mode component colors */
  --nav-bg: rgba(255, 255, 255, 0.9);
  --nav-border: rgba(0, 0, 0, 0.08);
  --hero-glow1: rgba(255, 56, 92, 0.08);
  --hero-glow2: rgba(200, 40, 120, 0.05);
  --icon-shadow: rgba(255, 56, 92, 0.18);
  --icon-border: rgba(0, 0, 0, 0.08);
  --card-bg: rgba(255, 255, 255, 0.5);
  --card-border: rgba(255, 255, 255, 0.7);
  --card-shadow: 0 1px 4px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.03);
  --card-hover-shadow: 0 12px 40px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(255, 56, 92, 0.15);
  --glass-highlight: rgba(255, 255, 255, 0.7);
  --card-hover-border: rgba(255, 56, 92, 0.3);
  --feature-icon-bg: linear-gradient(135deg, rgba(255, 56, 92, 0.12) 0%, rgba(255, 56, 92, 0.05) 100%);
  --feature-icon-border: rgba(255, 56, 92, 0.12);
  --section-divider: linear-gradient(90deg, transparent, rgba(255, 56, 92, 0.25), transparent);
  --pricing-glow: rgba(255, 56, 92, 0.04);
  --featured-bg: linear-gradient(180deg, rgba(255, 56, 92, 0.1) 0%, rgba(255, 56, 92, 0.04) 40%, rgba(255, 255, 255, 0.55) 100%);
  --featured-shadow: 0 0 40px rgba(255, 56, 92, 0.1), 0 4px 24px rgba(0, 0, 0, 0.08);
  --featured-hover-shadow: 0 0 60px rgba(255, 56, 92, 0.12), 0 12px 40px rgba(0, 0, 0, 0.1);
  --badge-shadow: 0 4px 16px rgba(255, 56, 92, 0.3);
  --plan-divider: rgba(0, 0, 0, 0.06);
  --footer-border: rgba(0, 0, 0, 0.08);
  --faq-bg: rgba(255, 255, 255, 0.5);
  --faq-border: rgba(255, 255, 255, 0.6);
  --faq-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
  --faq-hover-border: rgba(0, 0, 0, 0.14);
  --faq-open-border: rgba(255, 56, 92, 0.3);
  --faq-open-bg: rgba(255, 56, 92, 0.03);
  --contact-bg: linear-gradient(180deg, rgba(255, 56, 92, 0.06) 0%, rgba(255, 255, 255, 0.45) 100%);
  --contact-border: rgba(255, 56, 92, 0.15);
}

/* ── Dark mode (auto: follows system, unless user picked light) ── */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0D0D0D;
    --surface: #1A1A1A;
    --surface-elevated: #222222;
    --border: #333333;
    --border-light: #2A2A2A;
    --text: #FFFFFF;
    --text-secondary: #A0A0A0;
    --text-tertiary: #666666;
    --accent-light: rgba(255, 56, 92, 0.12);
    --success: #00A699;

    --nav-bg: rgba(13, 13, 13, 0.75);
    --nav-border: rgba(255, 255, 255, 0.06);
    --hero-glow1: rgba(255, 56, 92, 0.12);
    --hero-glow2: rgba(200, 40, 120, 0.08);
    --icon-shadow: rgba(255, 56, 92, 0.25);
    --icon-border: rgba(255, 255, 255, 0.08);
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --card-shadow: none;
    --card-hover-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 56, 92, 0.1);
    --card-hover-border: rgba(255, 56, 92, 0.3);
    --glass-highlight: rgba(255, 255, 255, 0.12);
    --feature-icon-bg: linear-gradient(135deg, rgba(255, 56, 92, 0.15) 0%, rgba(255, 56, 92, 0.05) 100%);
    --feature-icon-border: rgba(255, 56, 92, 0.12);
    --section-divider: linear-gradient(90deg, transparent, rgba(255, 56, 92, 0.4), transparent);
    --pricing-glow: rgba(255, 56, 92, 0.05);
    --featured-bg: linear-gradient(180deg, rgba(255, 56, 92, 0.15) 0%, rgba(255, 56, 92, 0.05) 40%, rgba(255, 255, 255, 0.05) 100%);
    --featured-shadow: 0 0 60px rgba(255, 56, 92, 0.1), 0 8px 40px rgba(0, 0, 0, 0.3);
    --featured-hover-shadow: 0 0 80px rgba(255, 56, 92, 0.15), 0 16px 56px rgba(0, 0, 0, 0.3);
    --badge-shadow: 0 4px 20px rgba(255, 56, 92, 0.4);
    --plan-divider: rgba(255, 255, 255, 0.05);
    --footer-border: rgba(255, 255, 255, 0.06);
    --faq-bg: rgba(255, 255, 255, 0.04);
    --faq-border: rgba(255, 255, 255, 0.08);
    --faq-shadow: none;
    --faq-hover-border: rgba(255, 255, 255, 0.14);
    --faq-open-border: rgba(255, 56, 92, 0.25);
    --faq-open-bg: rgba(255, 56, 92, 0.03);
    --contact-bg: linear-gradient(180deg, rgba(255, 56, 92, 0.1) 0%, rgba(255, 255, 255, 0.04) 100%);
    --contact-border: rgba(255, 56, 92, 0.15);
  }
}

/* ── Dark mode (forced by user) ── */
:root[data-theme="dark"] {
  --bg: #0D0D0D;
  --surface: #1A1A1A;
  --surface-elevated: #222222;
  --border: #333333;
  --border-light: #2A2A2A;
  --text: #FFFFFF;
  --text-secondary: #A0A0A0;
  --text-tertiary: #666666;
  --accent-light: rgba(255, 56, 92, 0.12);
  --success: #00A699;

  --nav-bg: rgba(13, 13, 13, 0.75);
  --nav-border: rgba(255, 255, 255, 0.06);
  --hero-glow1: rgba(255, 56, 92, 0.12);
  --hero-glow2: rgba(200, 40, 120, 0.08);
  --icon-shadow: rgba(255, 56, 92, 0.25);
  --icon-border: rgba(255, 255, 255, 0.08);
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-border: rgba(255, 255, 255, 0.1);
  --card-shadow: none;
  --card-hover-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 56, 92, 0.1);
  --card-hover-border: rgba(255, 56, 92, 0.3);
  --glass-highlight: rgba(255, 255, 255, 0.12);
  --feature-icon-bg: linear-gradient(135deg, rgba(255, 56, 92, 0.15) 0%, rgba(255, 56, 92, 0.05) 100%);
  --feature-icon-border: rgba(255, 56, 92, 0.12);
  --section-divider: linear-gradient(90deg, transparent, rgba(255, 56, 92, 0.4), transparent);
  --pricing-glow: rgba(255, 56, 92, 0.05);
  --featured-bg: linear-gradient(180deg, rgba(255, 56, 92, 0.15) 0%, rgba(255, 56, 92, 0.05) 40%, rgba(255, 255, 255, 0.05) 100%);
  --featured-shadow: 0 0 60px rgba(255, 56, 92, 0.1), 0 8px 40px rgba(0, 0, 0, 0.3);
  --featured-hover-shadow: 0 0 80px rgba(255, 56, 92, 0.15), 0 16px 56px rgba(0, 0, 0, 0.3);
  --badge-shadow: 0 4px 20px rgba(255, 56, 92, 0.4);
  --plan-divider: rgba(255, 255, 255, 0.05);
  --footer-border: rgba(255, 255, 255, 0.06);
  --faq-bg: rgba(255, 255, 255, 0.04);
  --faq-border: rgba(255, 255, 255, 0.08);
  --faq-shadow: none;
  --faq-hover-border: rgba(255, 255, 255, 0.14);
  --faq-open-border: rgba(255, 56, 92, 0.25);
  --faq-open-bg: rgba(255, 56, 92, 0.03);
  --contact-bg: linear-gradient(180deg, rgba(255, 56, 92, 0.1) 0%, rgba(255, 255, 255, 0.04) 100%);
  --contact-border: rgba(255, 56, 92, 0.15);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.container { max-width: 1080px; margin: 0 auto; padding: 0 32px; }

/* ── Nav ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 14px 0;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--nav-border);
}

nav .container { display: flex; align-items: center; justify-content: space-between; }

nav .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

nav .logo-icon { width: 28px; height: 28px; border-radius: 7px; }

nav .nav-links { display: flex; gap: 32px; list-style: none; }
nav .nav-links a { color: var(--text-secondary); font-size: 14px; font-weight: 500; }
nav .nav-links a:hover { color: var(--text); }
nav .nav-links a[aria-current="page"] { color: var(--accent); }

/* ── Hero ── */
.hero {
  position: relative;
  text-align: center;
  padding: 120px 0 100px;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 50% 20%, var(--hero-glow1) 0%, transparent 60%),
              radial-gradient(ellipse 60% 50% at 60% 10%, var(--hero-glow2) 0%, transparent 50%);
}

.hero-content { position: relative; z-index: 1; }

.hero-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  margin-bottom: 32px;
  box-shadow: 0 8px 48px var(--icon-shadow), 0 0 0 1px var(--icon-border);
}

.hero h1 {
  font-size: 64px;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero .highlight {
  background: linear-gradient(135deg, #FF385C 0%, #FF6B6B 40%, #FF385C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .tagline {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.55;
}

.download-btn { display: inline-block; transition: transform 0.2s, opacity 0.2s; }
.download-btn:hover { transform: translateY(-2px); opacity: 0.85; }
.app-store-img { height: 52px; display: block; }

/* ── Features ── */
.features {
  padding: 100px 0 80px;
  position: relative;
  background: radial-gradient(ellipse 50% 40% at 20% 60%, rgba(255, 56, 92, 0.04) 0%, transparent 60%),
              radial-gradient(ellipse 40% 35% at 80% 30%, rgba(120, 100, 255, 0.03) 0%, transparent 50%);
}

.features::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: var(--section-divider);
}

.features h2 {
  text-align: center;
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 17px;
  margin-bottom: 64px;
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
}

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

.feature-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.25s, box-shadow 0.3s, background 0.3s;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 10%, var(--glass-highlight) 50%, transparent 90%);
  z-index: 1;
}

.feature-card:hover {
  border-color: var(--card-hover-border);
  transform: translateY(-4px);
  box-shadow: var(--card-hover-shadow);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--feature-icon-bg);
  border: 1px solid var(--feature-icon-border);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Pricing ── */
.pricing {
  padding: 100px 0;
  position: relative;
  background: radial-gradient(ellipse 70% 50% at 50% 50%, var(--pricing-glow) 0%, transparent 60%);
}

.pricing::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: var(--section-divider);
}

.pricing h2 {
  text-align: center;
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 780px;
  margin: 0 auto;
  align-items: start;
}

.pricing-grid.four-col {
  grid-template-columns: repeat(4, 1fr);
  max-width: 1000px;
}

/* ── Billing Toggle ── */
.billing-toggle {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 48px;
  padding: 3px;
  background: var(--border-light);
  border-radius: 10px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.toggle-btn.active {
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.toggle-btn .save-badge {
  font-size: 9px;
  font-weight: 700;
  color: #fff;
  background: var(--success);
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.pricing-note {
  text-align: center;
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 24px;
}

.price-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  position: relative;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.3s;
}

.price-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 10%, var(--glass-highlight) 50%, transparent 90%);
  z-index: 1;
}

.price-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--card-hover-shadow);
}

.price-card.featured {
  border: 2px solid var(--accent);
  background: var(--featured-bg);
  box-shadow: var(--featured-shadow);
  padding: 44px 28px 40px;
  overflow: visible;
}

.price-card.featured:hover {
  box-shadow: var(--featured-hover-shadow);
  transform: translateY(-4px);
}

.price-card .badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #FF385C, #FF6B6B);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  box-shadow: var(--badge-shadow);
  white-space: nowrap;
}

.price-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.price-card.featured h3 { color: var(--text); }

.price-card .price {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.price-card.featured .price { color: var(--text); }

.price-card .price span {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-tertiary);
}

.price-card .trial {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
}

.price-card .savings {
  display: inline-block;
  margin-top: 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--success);
  background: rgba(0, 166, 153, 0.1);
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid rgba(0, 166, 153, 0.15);
}

.plan-features {
  list-style: none;
  padding: 0;
  margin-top: 20px;
  text-align: left;
}

.plan-features li {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 5px 0;
  border-top: 1px solid var(--plan-divider);
}

.plan-features li::before {
  content: "\2713";
  color: var(--success);
  font-weight: 700;
  margin-right: 8px;
}

/* ── CTA ── */
.cta-section {
  position: relative;
  padding: 80px 0 100px;
  text-align: center;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: var(--section-divider);
}

.cta-content { position: relative; z-index: 1; }

.cta-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  margin-bottom: 20px;
  box-shadow: 0 4px 24px rgba(255, 56, 92, 0.2);
}

.cta-section h2 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

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

/* ── Footer ── */
footer {
  border-top: 1px solid var(--footer-border);
  padding: 28px 0;
}

footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

footer .copyright { font-size: 13px; color: var(--text-tertiary); }
footer .footer-links { display: flex; gap: 24px; list-style: none; }
footer .footer-links a { font-size: 13px; color: var(--text-secondary); }
footer .footer-links a:hover { color: var(--text); }

/* ── Legal pages ── */
.legal { padding: 56px 0 100px; max-width: 680px; margin: 0 auto; }
.legal h1 { font-size: 36px; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.02em; }
.legal .effective-date { font-size: 14px; color: var(--text-tertiary); margin-bottom: 48px; }
.legal h2 { font-size: 20px; font-weight: 600; margin-top: 40px; margin-bottom: 12px; }
.legal p, .legal li { font-size: 15px; color: var(--text-secondary); line-height: 1.75; margin-bottom: 12px; }
.legal ul { padding-left: 24px; margin-bottom: 12px; }
.legal li { margin-bottom: 6px; }
.legal strong { color: var(--text); }

.legal .summary-box {
  background: #e8f5e9;
  border: 2px solid #4caf50;
  border-radius: 12px;
  padding: 20px;
  margin: 24px 0;
}
.legal .summary-box h2 { margin-top: 0; color: #2e7d32; }
.legal .summary-box p { margin-bottom: 0; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .legal .summary-box {
    background: rgba(76, 175, 80, 0.08);
    border-color: rgba(76, 175, 80, 0.25);
  }
  :root:not([data-theme="light"]) .legal .summary-box h2 { color: #81c784; }
}
:root[data-theme="dark"] .legal .summary-box {
  background: rgba(76, 175, 80, 0.08);
  border-color: rgba(76, 175, 80, 0.25);
}
:root[data-theme="dark"] .legal .summary-box h2 { color: #81c784; }

/* ── Help page ── */
.help {
  padding: 56px 0 100px;
  background: radial-gradient(ellipse 50% 30% at 30% 40%, rgba(255, 56, 92, 0.03) 0%, transparent 60%),
              radial-gradient(ellipse 40% 30% at 70% 70%, rgba(120, 100, 255, 0.02) 0%, transparent 50%);
}
.help h1 { font-size: 36px; font-weight: 700; margin-bottom: 36px; letter-spacing: -0.02em; }
.help h2 { font-size: 24px; font-weight: 600; margin-top: 48px; margin-bottom: 20px; }
.help h3 { font-size: 17px; font-weight: 600; margin-top: 24px; margin-bottom: 8px; }
.help p, .help li { font-size: 15px; color: var(--text-secondary); line-height: 1.75; margin-bottom: 12px; }
.help ul, .help ol { padding-left: 24px; margin-bottom: 16px; }
.help li { margin-bottom: 8px; }

.help .faq-item {
  position: relative;
  background: var(--faq-bg);
  border: 1px solid var(--faq-border);
  box-shadow: var(--faq-shadow);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 10px;
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  overflow: hidden;
  transition: border-color 0.2s, background 0.2s;
}

.help .faq-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 10%, var(--glass-highlight) 50%, transparent 90%);
}

.help .faq-item:hover { border-color: var(--faq-hover-border); }
.help .faq-item[open] { border-color: var(--faq-open-border); background: var(--faq-open-bg); }

.help .faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.help .faq-item summary::after { content: "+"; font-size: 20px; color: var(--text-tertiary); transition: color 0.2s; }
.help .faq-item[open] summary::after { content: "\2212"; color: var(--accent); }
.help .faq-item .faq-answer { margin-top: 14px; }

.help .contact-box {
  position: relative;
  background: var(--contact-bg);
  border: 1px solid var(--contact-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  margin-top: 48px;
  text-align: center;
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  overflow: hidden;
}

.help .contact-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 10%, var(--glass-highlight) 50%, transparent 90%);
}

.help .contact-box h3 { margin-top: 0; font-size: 20px; margin-bottom: 8px; }

/* ── Theme Toggle ── */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px 6px 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  transition: border-color 0.2s, color 0.2s;
  -webkit-user-select: none;
  user-select: none;
}

.theme-toggle:hover {
  border-color: var(--text-tertiary);
  color: var(--text);
}

.theme-toggle svg {
  flex-shrink: 0;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .hero { padding: 80px 0 64px; }
  .hero-icon { width: 64px; height: 64px; border-radius: 16px; }
  .hero h1 { font-size: 40px; }
  .hero .tagline { font-size: 17px; }
  .features, .pricing { padding: 72px 0; }
  .features h2, .pricing h2 { font-size: 32px; }
  .feature-grid { grid-template-columns: 1fr; gap: 12px; }
  .pricing-grid, .pricing-grid.four-col { grid-template-columns: 1fr; max-width: 320px; }
  .toggle-btn { font-size: 12px; padding: 7px 14px; }
  .toggle-btn .save-badge { font-size: 8px; }
  footer .container { flex-direction: column; text-align: center; }
}

@media (min-width: 769px) and (max-width: 960px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid.four-col { grid-template-columns: repeat(2, 1fr); max-width: 560px; }
}