/* ================================================================
   WaterKit Support — WaterMinder.com Inspired Design
   ================================================================ */

/* ── Font ──────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@300;400;500;600;700&display=swap');

/* ── Theme Variables ──────────────────────────────── */
:root {
  --bg-primary: #fff;
  --bg-light: #f7faff;
  --bg-hero-start: #f0f7ff;
  --bg-hero-end: #f7faff;
  --bg-card: #fff;
  --bg-card-icon: linear-gradient(135deg, #E6EFFE 0%, #d4e4fb 100%);
  --bg-icon-solid: #E6EFFE;
  --bg-phone: #1a1a1e;
  --bg-footer: #1a1a1a;
  --bg-navbar: rgba(255,255,255,0.95);

  --text-primary: #1a1a1a;
  --text-secondary: #555;
  --text-tertiary: #666;
  --text-quaternary: #999;
  --text-footer: rgba(255,255,255,0.7);
  --text-on-accent: #fff;

  --accent: #3981D3;
  --accent-hover: #1a5a9e;
  --accent-shadow: rgba(57,129,211,0.3);
  --accent-shadow-hover: rgba(57,129,211,0.4);
  --accent-glow: rgba(57,129,211,0.08);
  --accent-glow-soft: rgba(57,129,211,0.06);
  --accent-border: rgba(57,129,211,0.08);

  --border-soft: rgba(0,0,0,0.04);
  --border-medium: rgba(0,0,0,0.06);
  --border-lang: #ddd;

  --shadow-card: rgba(0,0,0,0.04);
  --shadow-phone: rgba(0,0,0,0.15);
  --shadow-phone-soft: rgba(0,0,0,0.06);
  --shadow-hover: rgba(57,129,211,0.12);

  --navbar-blur: saturate(180%) blur(12px);
  --transition: 0.2s;
  --transition-theme: background-color 0.3s ease, color 0.3s ease;
}

[data-theme="dark"] {
  --bg-primary: #0d1117;
  --bg-light: #161b22;
  --bg-hero-start: #0d1929;
  --bg-hero-end: #0d1117;
  --bg-card: #161b22;
  --bg-card-icon: linear-gradient(135deg, rgba(74,155,232,0.15) 0%, rgba(74,155,232,0.08) 100%);
  --bg-icon-solid: rgba(74,155,232,0.15);
  --bg-phone: #000;
  --bg-footer: #000;
  --bg-navbar: rgba(13,17,23,0.9);

  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-tertiary: #8b949e;
  --text-quaternary: #6e7681;
  --text-footer: rgba(255,255,255,0.6);
  --text-on-accent: #fff;

  --accent: #4a9be8;
  --accent-hover: #6bb0f0;
  --accent-shadow: rgba(74,155,232,0.3);
  --accent-shadow-hover: rgba(74,155,232,0.4);
  --accent-glow: rgba(74,155,232,0.12);
  --accent-glow-soft: rgba(74,155,232,0.08);
  --accent-border: rgba(74,155,232,0.15);

  --border-soft: rgba(255,255,255,0.06);
  --border-medium: rgba(255,255,255,0.08);
  --border-lang: rgba(255,255,255,0.15);

  --shadow-card: rgba(0,0,0,0.2);
  --shadow-phone: rgba(0,0,0,0.4);
  --shadow-phone-soft: rgba(0,0,0,0.2);
  --shadow-hover: rgba(74,155,232,0.15);

  --navbar-blur: saturate(120%) blur(12px);
}

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

html { height: 100%; width: 100%; max-width: 100%; scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: 'Quicksand', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: var(--transition-theme);
}

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

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

/* ── Navigation ──────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--bg-navbar);
  backdrop-filter: var(--navbar-blur);
  -webkit-backdrop-filter: var(--navbar-blur);
  border-bottom: 1px solid var(--border-medium);
  transition: var(--transition-theme);
}

.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  transition: var(--transition-theme);
}
.brand:hover { color: var(--text-primary); }

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  box-shadow: 0 2px 8px var(--accent-shadow);
}

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--accent); }

.nav-lang {
  display: inline-block;
  padding: 6px 16px;
  border: 1.5px solid var(--border-lang);
  border-radius: 999px;
  font-size: 13px !important;
  font-weight: 600 !important;
  transition: all var(--transition);
}
.nav-lang:hover {
  border-color: var(--accent) !important;
  color: var(--accent) !important;
}

/* ── Theme Toggle ─────────────────────────────────── */
.theme-toggle {
  width: 38px;
  height: 38px;
  border: 1.5px solid var(--border-lang);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: scale(1.08);
}
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-moon { display: none; }
.theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }

/* ── Container ──────────────────────────────────── */
.max-w-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Section ──────────────────────────────────────── */
.section {
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}

.section-title {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  transition: var(--transition-theme);
}

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

.section-title-wrapper p {
  font-size: 18px;
  color: var(--text-tertiary);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto;
  transition: var(--transition-theme);
}

.bg-light { background: var(--bg-light); transition: var(--transition-theme); }
.bg-white { background: var(--bg-primary); transition: var(--transition-theme); }

/* ── Hero ──────────────────────────────────────── */
.hero-section {
  padding: 120px 0 100px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg-hero-start) 0%, var(--bg-hero-end) 100%);
  border-bottom: 1px solid var(--accent-border);
  transition: var(--transition-theme);
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -150px; left: -150px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--accent-glow-soft) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-section .max-w-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  min-height: 480px;
  z-index: 2;
}

.hero-text {
  max-width: 520px;
  position: relative;
  z-index: 2;
  flex: 1;
}

.hero-text h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 22px;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  transition: var(--transition-theme);
}

.hero-text p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.75;
  max-width: 480px;
  transition: var(--transition-theme);
}

/* Download badges */
.download-badges { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.download-badges a { display: inline-block; }
.download-badges img { height: 50px; width: auto; transition: transform 0.2s; }
.download-badges a:hover img { transform: translateY(-2px); }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  padding: 12px 26px;
  border-radius: 12px;
  color: var(--text-on-accent) !important;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: all var(--transition);
  box-shadow: 0 4px 14px var(--accent-shadow);
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--text-on-accent) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-shadow-hover);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  padding: 12px 26px;
  border-radius: 12px;
  color: var(--accent);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 2px solid var(--accent);
  transition: all var(--transition);
}
.btn-outline:hover {
  background: var(--accent);
  color: var(--text-on-accent) !important;
  transform: translateY(-2px);
}

/* Hero phone on the right, with ring */
.hero-phone {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 0 0 auto;
  z-index: 2;
}

.phone-rotate-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 400px;
  height: 400px;
}

.phone-ring {
  animation: rotate 24s linear infinite;
  width: 400px;
  height: 400px;
  position: absolute;
  top: 0; left: 0;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.phone-inner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50%;
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(-50%, -50%) translateY(0); }
  50% { transform: translate(-50%, -50%) translateY(-10px); }
}

/* ── Overview / 3-column phone grid ────────────── */
.phone-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  justify-items: center;
  margin-top: 16px;
}

.phone-grid-3 .phone-mockup {
  width: 240px;
  transition: transform 0.3s ease;
}
.phone-grid-3 .phone-mockup:hover {
  transform: translateY(-8px);
}

/* ── Phone Mockup ──────────────────────────────── */
.phone-mockup {
  padding: 10px 5px;
  background: var(--bg-phone);
  border-radius: 36px;
  box-shadow: 0 24px 60px var(--shadow-phone), 0 4px 16px var(--shadow-phone-soft);
  position: relative;
  display: inline-block;
  transition: var(--transition-theme);
}

.phone-mockup .screen {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 26px;
}

/* ── iPad Mockup ────────────────────────────────── */
.ipad-mockup {
  padding: 10px 6px;
  background: var(--bg-phone);
  border-radius: 22px;
  box-shadow: 0 24px 60px var(--shadow-phone), 0 4px 16px var(--shadow-phone-soft);
  display: inline-block;
  width: 320px;
  transition: var(--transition-theme);
}

.ipad-mockup .screen {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
}

/* ── Mac Mockup ────────────────────────────────── */
.mac-mockup {
  display: inline-block;
  width: 440px;
}

.mac-mockup .mac-screen {
  padding: 10px 8px;
  background: var(--bg-phone);
  border-radius: 14px;
  box-shadow: 0 24px 60px var(--shadow-phone);
  position: relative;
  transition: var(--transition-theme);
}

.mac-mockup .mac-screen .screen {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
}

.mac-mockup .mac-stand {
  width: 120px;
  height: 12px;
  background: linear-gradient(180deg, #b0b0b0 0%, #888 100%);
  margin: 0 auto;
  border-radius: 0 0 6px 6px;
}

.mac-mockup .mac-base {
  width: 220px;
  height: 5px;
  background: linear-gradient(180deg, #aaa 0%, #999 100%);
  margin: 0 auto;
  border-radius: 2px;
}

/* ── Feature Grid (text + image alternating) ───── */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.feature-text {
  padding: 20px 0;
}

.feature-text .box-icon {
  width: 72px;
  height: 72px;
  margin: 0 0 24px;
  color: var(--accent);
  transition: var(--transition-theme);
}
.feature-text .box-icon > rect:first-child {
  fill: var(--bg-icon-solid);
  transition: fill 0.3s ease;
}

.feature-text h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  transition: var(--transition-theme);
}

.feature-text p {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 480px;
  transition: var(--transition-theme);
}

.feature-image {
  display: grid;
  place-content: center;
}

.feature-image .phone-mockup {
  width: 240px;
  transition: transform 0.4s ease;
}
.feature-image .phone-mockup:hover {
  transform: translateY(-6px) scale(1.02);
}

/* ── Watch Section ──────────────────────────────── */
.watch-section {
  background: linear-gradient(135deg, #4a90e2 0%, #3981D3 50%, #1a5a9e 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 100px 0;
}

.watch-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.watch-section .max-w-container { position: relative; z-index: 2; }

.watch-section .section-title {
  color: #fff;
  font-size: 38px;
}
.watch-section .section-title-wrapper p {
  color: rgba(255,255,255,0.9);
  max-width: 640px;
  margin: 0 auto;
}

.watch-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  justify-items: center;
  margin-top: 24px;
}

.watch-grid-3 .phone-mockup {
  width: 260px;
  box-shadow: 0 30px 70px rgba(0,0,0,0.3);
  transition: transform 0.3s ease;
}
.watch-grid-3 .phone-mockup:hover {
  transform: translateY(-8px);
}

/* ── One App, All Devices ───────────────────────── */
.devices-section { text-align: center; padding: 100px 0; }

.device-screenshots {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin: 56px auto 0;
}

.device-screenshot-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.3s ease;
}
.device-screenshot-item:hover {
  transform: translateY(-6px);
}

.device-screenshot-item .label {
  font-weight: 700;
  font-size: 15px;
  color: var(--text-primary);
  margin-top: 16px;
  transition: var(--transition-theme);
}

.watch-frame {
  display: inline-block;
  background: var(--bg-phone);
  border-radius: 50%;
  padding: 8px;
  box-shadow: 0 20px 50px var(--shadow-phone);
  transition: var(--transition-theme);
}
.watch-frame img {
  border-radius: 50%;
  display: block;
}

/* ── CTA Section ────────────────────────────────── */
.cta-section {
  text-align: center;
  padding: 60px 0 20px;
  margin-top: 40px;
}

.cta-section h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  transition: var(--transition-theme);
}

.cta-section p {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 28px;
  transition: var(--transition-theme);
}

.cta-section .download-badges {
  justify-content: center;
}

/* ── Features Grid (3-column cards) ────────────── */
.features-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border-radius: 18px;
  padding: 36px 28px 32px;
  text-align: center;
  box-shadow: 0 2px 12px var(--shadow-card);
  border: 1px solid var(--border-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px var(--shadow-hover);
}

.feature-card .card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card-icon);
  border-radius: 16px;
}

.feature-card .card-icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--text-primary);
  transition: var(--transition-theme);
}

.feature-card p {
  font-size: 14px;
  color: var(--text-tertiary);
  line-height: 1.7;
  transition: var(--transition-theme);
}

/* ── Pricing / Subscription ─────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 920px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border-radius: 18px;
  padding: 40px 28px 36px;
  text-align: center;
  box-shadow: 0 2px 12px var(--shadow-card);
  border: 1px solid var(--border-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px var(--shadow-hover);
}

.pricing-card.featured {
  border: 2px solid var(--accent);
  box-shadow: 0 8px 24px var(--shadow-hover);
}

.pricing-card .pricing-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card-icon);
  border-radius: 16px;
}

.pricing-card .pricing-icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent);
}

.pricing-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--text-primary);
  transition: var(--transition-theme);
}

.pricing-card .pricing-desc {
  font-size: 15px;
  color: var(--text-tertiary);
  line-height: 1.7;
  margin-bottom: 0;
  transition: var(--transition-theme);
}

.pricing-card .badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: var(--text-on-accent);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 4px 12px var(--accent-shadow);
}

.subscription-note {
  max-width: 760px;
  margin: 36px auto 0;
  font-size: 13px;
  color: var(--text-quaternary);
  line-height: 1.8;
  text-align: center;
  padding: 0 20px;
  transition: var(--transition-theme);
}

/* ── Contact ─────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 920px;
  margin: 0 auto;
}

.contact-card {
  background: var(--bg-card);
  border-radius: 18px;
  padding: 36px 28px;
  text-align: center;
  box-shadow: 0 2px 12px var(--shadow-card);
  border: 1px solid var(--border-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px var(--shadow-hover);
}

.contact-card .contact-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card-icon);
  border-radius: 16px;
}

.contact-card .contact-icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent);
}

.contact-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--text-primary);
  transition: var(--transition-theme);
}

.contact-card p {
  font-size: 15px;
  color: var(--text-tertiary);
  line-height: 1.7;
  margin: 0;
  transition: var(--transition-theme);
}

.contact-card a {
  color: var(--accent);
  font-weight: 600;
  word-break: break-all;
  transition: color var(--transition);
}
.contact-card a:hover { color: var(--accent-hover); }

/* ── Footer ─────────────────────────────────────── */
.footer {
  background: var(--bg-footer);
  color: var(--text-footer);
  text-align: center;
  padding: 64px 24px 40px;
  transition: var(--transition-theme);
}

.footer p {
  font-size: 13px;
  margin: 8px 0;
}

.footer a { color: var(--text-footer); transition: color var(--transition); }
.footer a:hover { color: #fff; }

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 28px;
  margin-bottom: 20px;
}

/* ── Mobile Nav Toggle (hamburger) ───────────────── */
.nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border: 1.5px solid var(--border-lang);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
  flex-shrink: 0;
}
.nav-toggle:hover { border-color: var(--accent); color: var(--accent); }
.nav-toggle svg { width: 20px; height: 20px; }

.nav-links.open {
  display: flex;
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  flex-direction: column;
  background: var(--bg-navbar);
  backdrop-filter: var(--navbar-blur);
  -webkit-backdrop-filter: var(--navbar-blur);
  border-bottom: 1px solid var(--border-medium);
  padding: 16px 24px;
  gap: 16px;
  z-index: 99;
}

/* ── Subpage Header ──────────────────────────────── */
.subpage-header {
  padding: 100px 0 56px;
  text-align: center;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  border-bottom: none;
  transition: var(--transition-theme);
}
.subpage-header h1 {
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.subpage-header .subpage-subtitle {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  margin-top: 10px;
}
.subpage-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 16px;
  transition: color var(--transition);
}
.subpage-back:hover { color: #fff; }

/* ── Doc Content (legal pages, etc.) ─────────────── */
.doc-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}
.doc-content .updated {
  font-size: 14px;
  color: var(--text-tertiary);
  margin-bottom: 28px;
  transition: var(--transition-theme);
}
.doc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  padding: 28px 32px;
  margin-bottom: 20px;
  box-shadow: 0 2px 12px var(--shadow-card);
  transition: var(--transition-theme);
}
.doc-card h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 14px;
  transition: var(--transition-theme);
}
.doc-card p, .doc-card li {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.8;
}
.doc-card ul, .doc-card ol {
  margin: 0 0 12px 20px;
}
.doc-card strong { color: var(--text-primary); transition: var(--transition-theme); }
.doc-card a { color: var(--accent); }
.doc-card a:hover { color: var(--accent-hover); }
.lang-link {
  text-align: center;
  font-size: 14px;
  margin-top: 32px;
}
.lang-link a { color: var(--accent); font-weight: 600; }

/* ── Doc Layout (sidebar + main) ─────────────────── */
.doc-layout {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 64px;
  min-height: calc(100vh - 64px);
}
.doc-sidebar {
  width: 240px;
  flex-shrink: 0;
  padding: 32px 16px 32px 24px;
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  overflow-y: auto;
  border-right: 1px solid var(--border-medium);
  transition: var(--transition-theme);
}
.doc-sidebar .sidebar-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-quaternary);
  margin-bottom: 12px;
  padding: 0 8px;
}
.doc-sidebar .sidebar-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--transition);
}
.doc-sidebar .sidebar-item:hover {
  background: var(--accent-glow);
  color: var(--accent);
}
.doc-sidebar .sidebar-item.active {
  background: var(--accent);
  color: var(--text-on-accent);
}
.doc-main {
  flex: 1;
  padding: 40px;
  min-width: 0;
  max-width: calc(100% - 240px);
}
.doc-main h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  transition: var(--transition-theme);
}
.doc-main > p.lead {
  font-size: 17px;
  color: var(--text-tertiary);
  margin-bottom: 32px;
  transition: var(--transition-theme);
}
.doc-section {
  margin-bottom: 48px;
}
.doc-section h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-medium);
  transition: var(--transition-theme);
}
.doc-section h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 24px 0 8px;
  transition: var(--transition-theme);
}
.doc-section p, .doc-section li {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 8px;
}
.doc-section ul, .doc-section ol {
  margin: 0 0 16px 20px;
  color: var(--text-secondary);
}
.doc-section strong { color: var(--text-primary); }
.doc-section a { color: var(--accent); }
.doc-section a:hover { color: var(--accent-hover); }

/* FAQ items */
.faq-category { margin-bottom: 40px; }
.faq-category > h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  transition: var(--transition-theme);
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition-theme);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  transition: var(--transition-theme);
}
.faq-question:hover { color: var(--accent); }
.faq-question .chevron {
  font-size: 12px;
  color: var(--text-quaternary);
  transition: transform 0.2s;
}
.faq-item.open .faq-question .chevron { transform: rotate(180deg); }
.faq-answer {
  display: none;
  padding: 0 20px 16px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.faq-item.open .faq-answer { display: block; }
.faq-answer p { margin-bottom: 8px; }
.faq-answer strong { color: var(--text-primary); }
.faq-answer ol, .faq-answer ul { margin: 8px 0 12px 20px; }
.faq-answer li { margin-bottom: 4px; }

/* Alert boxes in docs */
.doc-alert {
  background: var(--accent-glow);
  border-left: 4px solid var(--accent);
  padding: 14px 16px;
  border-radius: 8px;
  margin: 16px 0;
}
.doc-alert h4 { color: var(--accent); margin-bottom: 6px; font-size: 14px; }
.doc-alert p { color: var(--text-secondary); margin: 0; }
.doc-alert-tip {
  background: rgba(240,160,64,0.08);
  border-left-color: #F0A040;
}
.doc-alert-tip h4 { color: #F0A040; }

/* Tables in docs */
.doc-table-wrap { overflow-x: auto; margin: 16px 0; }
.doc-table-wrap table { width: 100%; border-collapse: collapse; font-size: 14px; }
.doc-table-wrap th, .doc-table-wrap td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-medium);
}
.doc-table-wrap th { font-weight: 600; color: var(--text-primary); background: var(--bg-light); }
.doc-table-wrap td { color: var(--text-secondary); }

/* Mobile sidebar overlay */
.doc-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 98;
}
.doc-overlay.active { display: block; }

/* ── Manual/FAQ Page Sections (scoped) ──────────── */
.doc-main .page-section { display: none; }
.doc-main .page-section.active { display: block; }
.doc-main .page-section h1 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  transition: var(--transition-theme);
}
.doc-main .page-section > p {
  color: var(--text-secondary);
  margin-top: 0;
  margin-bottom: 24px;
  transition: var(--transition-theme);
}
.doc-main .page-section h2 {
  font-size: 22px;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-medium);
  padding-bottom: 8px;
  color: var(--accent);
  transition: var(--transition-theme);
}
.doc-main .page-section h3 {
  font-size: 17px;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--text-primary);
  transition: var(--transition-theme);
}
.doc-main .page-section ul,
.doc-main .page-section ol {
  color: var(--text-secondary);
  margin: 12px 0 24px 20px;
  transition: var(--transition-theme);
}
.doc-main .page-section li { margin-bottom: 8px; }
.doc-main .page-section strong { color: var(--text-primary); }
.doc-main .page-section a { color: var(--accent); }
.doc-main .page-section a:hover { color: var(--accent-hover); }

/* Doc sidebar nav (manual/faq scoped) */
.doc-sidebar .nav-section { margin-bottom: 20px; }
.doc-sidebar .nav-group-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-quaternary);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  padding: 0 8px;
  transition: var(--transition-theme);
}
.doc-sidebar .nav-item {
  display: block;
  padding: 7px 12px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
  line-height: 1.4;
}
.doc-sidebar .nav-item:hover {
  background: var(--accent-glow);
  color: var(--accent);
}
.doc-sidebar .nav-item.active {
  background: var(--accent);
  color: var(--text-on-accent);
}
.doc-sidebar .nav-sub { padding-left: 12px; }
.doc-sidebar .nav-sub .nav-item {
  font-size: 13px;
  font-weight: 400;
  padding: 5px 12px;
  color: var(--text-tertiary);
}
.doc-sidebar .nav-sub .nav-item:hover { color: var(--accent); }
.doc-sidebar .nav-sub .nav-item.active {
  background: var(--accent);
  color: var(--text-on-accent);
}

/* Doc alert (non-prefixed, scoped for manual/faq) */
.doc-main .alert {
  background: var(--accent-glow);
  border-left: 4px solid var(--accent);
  padding: 14px 16px;
  border-radius: 8px;
  margin: 16px 0;
  transition: var(--transition-theme);
}
.doc-main .alert h4 { color: var(--accent); margin: 0 0 6px 0; font-size: 14px; }
.doc-main .alert p { margin: 0; color: var(--text-secondary); }
.doc-main .alert.alert-tip {
  background: rgba(240,160,64,0.08);
  border-left-color: #F0A040;
}
.doc-main .alert.alert-tip h4 { color: #F0A040; }
.doc-main .alert.alert-info h4 { color: var(--accent); }
.doc-main .alert.alert-warning {
  background: rgba(240,160,64,0.08);
  border-left-color: #F0A040;
}
.doc-main .alert.alert-warning h4 { color: #F0A040; }

/* Doc table (non-prefixed, scoped for manual/faq) */
.doc-main .table-wrap { overflow-x: auto; margin: 16px 0; }
.doc-main .table-wrap table { width: 100%; border-collapse: collapse; font-size: 14px; }
.doc-main .table-wrap th,
.doc-main .table-wrap td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-medium);
  transition: var(--transition-theme);
}
.doc-main .table-wrap th {
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-light);
}
.doc-main .table-wrap td { color: var(--text-secondary); }

/* Doc tags (scoped) */
.doc-main .tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}
.doc-main .tag-pro {
  background: var(--accent-glow);
  color: var(--accent);
}

/* Doc TOC button (mobile only — toggles off-canvas sidebar) */
.doc-toc-btn {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1.5px solid var(--border-lang);
  border-radius: 10px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  margin-bottom: 20px;
  transition: all var(--transition);
}
.doc-toc-btn:hover { border-color: var(--accent); color: var(--accent); }
.doc-toc-btn svg { width: 16px; height: 16px; }

/* ── Animations ─────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 992px) {
  .section { padding: 60px 0; }
  .hero-section { padding: 100px 0 60px; }
  .hero-section .max-w-container {
    display: block;
    min-height: auto;
    text-align: center;
  }
  .hero-text {
    max-width: 100%;
    margin: 0 auto 40px;
  }
  .hero-text p { margin: 0 auto 28px; max-width: 100%; }
  .download-badges { justify-content: center; }
  .hero-phone {
    position: relative;
    padding-top: 20px;
  }
  .phone-rotate-wrap { width: 280px; height: 280px; }
  .phone-ring { width: 280px; height: 280px; }
  .phone-inner { width: 50%; }

  .feature-grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .feature-text .box-icon { margin: 0 auto 20px; }
  .feature-text p { margin: 0 auto; }
  .feature-image { margin-top: 10px; }

  .phone-grid-3 { grid-template-columns: 1fr; gap: 32px; }
  .watch-grid-3 { grid-template-columns: 1fr; gap: 32px; }

  .features-grid-3 { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
  .contact-grid { grid-template-columns: 1fr; max-width: 400px; }

  .section-title { font-size: 30px; }
  .hero-text h1 { font-size: 34px; }
  .feature-text h2 { font-size: 26px; }

  /* Mobile nav: hamburger shows, links hidden by default */
  .nav-toggle { display: flex; }
  .nav-links { display: none; }
  .nav-links .nav-lang, .nav-links .theme-toggle { display: none; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    background: var(--bg-navbar);
    backdrop-filter: var(--navbar-blur);
    -webkit-backdrop-filter: var(--navbar-blur);
    border-bottom: 1px solid var(--border-medium);
    padding: 16px 24px;
    gap: 16px;
    z-index: 99;
  }
  .nav-links.open .nav-lang,
  .nav-links.open .theme-toggle { display: flex; }

  .device-screenshots { gap: 24px; }
  .mac-mockup { width: 300px !important; }
  .ipad-mockup { width: 220px !important; }
  .phone-grid-3 .phone-mockup,
  .watch-grid-3 .phone-mockup { width: 200px !important; }
  .feature-image .phone-mockup { width: 200px !important; }
  .device-screenshot-item .phone-mockup { width: 150px !important; }

  /* Doc layout: sidebar becomes off-canvas */
  .doc-layout { flex-direction: column; }
  .doc-sidebar {
    position: fixed;
    left: -280px;
    top: 64px;
    width: 260px;
    height: calc(100vh - 64px);
    background: var(--bg-primary);
    z-index: 99;
    transition: left 0.3s ease;
    border-right: 1px solid var(--border-medium);
  }
  .doc-sidebar.open { left: 0; }
  .doc-toc-btn { display: inline-flex; }
  .doc-main { max-width: 100%; padding: 32px 24px; }
  .doc-main h1 { font-size: 26px; }

  .subpage-header { padding: 100px 0 36px; }
  .subpage-header h1 { font-size: 28px; }
}

@media (max-width: 768px) {
  .section { padding: 48px 0; }
  .section-title { font-size: 26px; }
  .hero-text h1 { font-size: 28px; }
  .feature-text h2 { font-size: 22px; }
  .phone-ring { width: 220px; height: 220px; }
  .mac-mockup { width: 260px !important; }
  .ipad-mockup { width: 180px !important; }
  .phone-grid-3 .phone-mockup,
  .watch-grid-3 .phone-mockup { width: 180px !important; }
  .feature-image .phone-mockup { width: 180px !important; }
  .device-screenshot-item .phone-mockup { width: 130px !important; }
  .doc-card { padding: 20px; }
  .doc-main { padding: 24px 16px; }
}

@media (max-width: 480px) {
  .phone-ring { width: 180px; height: 180px; }
  .phone-grid-3 .phone-mockup,
  .watch-grid-3 .phone-mockup { width: 160px !important; }
  .feature-image .phone-mockup { width: 160px !important; }
  .hero-text h1 { font-size: 24px; }
  .hero-text p { font-size: 15px; }
  .download-badges img { height: 44px; }
  .doc-card { padding: 16px; }
}