/* ======================================================
   WAGET LANDING PAGE — "Liquid Luxury" Aesthetic
   Premium dark cinematic + luminous gold + electric blue
   ====================================================== */

/* ---------- CSS VARIABLES ---------- */
:root {
  /* Brand */
  --blue: #007AFF;
  --blue-light: #3D9AFF;
  --blue-deep: #0055CC;
  --gold: #FFB800;
  --gold-light: #FFD166;
  --gold-dim: #a07600;
  --green: #34C759;
  --orange: #FF9500;

  /* Dark surfaces (hero, voice, footer) */
  --dark-1: #060B14;
  --dark-2: #0D1B2A;
  --dark-3: #1C2536;
  --dark-4: #25324A;

  /* Light mode (default) */
  --bg: #F5F7FB;
  --surface: #FFFFFF;
  --surface-hover: #F0F3FA;
  --text-1: #0F1729;
  --text-2: #5A6478;
  --text-3: #9AA2B4;
  --border: rgba(15, 23, 41, 0.08);
  --shadow-sm: 0 1px 3px rgba(15,23,41,0.04);
  --shadow-md: 0 4px 20px rgba(15,23,41,0.06);
  --shadow-lg: 0 12px 48px rgba(15,23,41,0.10);
  --card-border: rgba(15, 23, 41, 0.06);

  /* Layout */
  --container: 1120px;
  --header-h: 68px;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  /* Type */
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
}

/* Dark mode overrides */
[data-theme="dark"] {
  --bg: #0F1729;
  --surface: #1A2340;
  --surface-hover: #222D4A;
  --text-1: #F0F2F8;
  --text-2: #A0AAC0;
  --text-3: #5E6880;
  --border: rgba(255,255,255,0.06);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.4);
  --card-border: rgba(255,255,255,0.06);
}

/* ---------- RESET ---------- */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-1);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background .4s ease, color .4s ease;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea {
  font: inherit; color: inherit; border: none; background: none; outline: none;
}
ul { list-style: none; }

/* ---------- UTILITY ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Section common */
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(0,122,255,0.08);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-tag--light {
  color: var(--gold);
  background: rgba(255,184,0,0.12);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.section-subtitle {
  font-size: 17px;
  color: var(--text-2);
  max-width: 520px;
  line-height: 1.65;
}

/* ===================================================
   HEADER
   =================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background .35s, backdrop-filter .35s, box-shadow .35s;
}
.site-header.scrolled {
  background: rgba(245,247,251,0.72);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  box-shadow: 0 1px 0 var(--border);
}
[data-theme="dark"] .site-header.scrolled {
  background: rgba(15,23,41,0.78);
}
/* Header over hero — dark mode: white text */
[data-theme="dark"] .site-header:not(.scrolled) .nav-link,
[data-theme="dark"] .site-header:not(.scrolled) .logo-text {
  color: #fff;
}
[data-theme="dark"] .site-header:not(.scrolled) .theme-toggle {
  color: #fff;
}
[data-theme="dark"] .site-header:not(.scrolled) .hamburger-line {
  background: #fff;
}
/* Header scrolled — explicit text colors */
.site-header.scrolled .nav-link,
.site-header.scrolled .logo-text {
  color: var(--text-1);
}
.site-header.scrolled .theme-toggle {
  color: var(--text-2);
}
.site-header.scrolled .hamburger-line {
  background: var(--text-1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  object-fit: cover;
}
.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: color .3s;
}

/* Nav */
.nav-list {
  display: flex;
  gap: 8px;
}
.nav-link {
  font-size: 15px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: color .25s, background .25s;
}
.nav-link:hover {
  color: var(--blue);
  background: rgba(0,122,255,0.06);
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.theme-toggle {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  transition: background .25s, color .25s;
  color: var(--text-2);
}
.theme-toggle:hover { background: rgba(0,122,255,0.08); color: var(--blue); }
.theme-icon { width: 20px; height: 20px; }
.theme-icon--dark { display: none; }
[data-theme="dark"] .theme-icon--light { display: none; }
[data-theme="dark"] .theme-icon--dark { display: block; }

/* Hamburger */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  cursor: pointer;
  align-items: center;
  border-radius: 50%;
  transition: background .25s;
  position: relative;
}
.mobile-menu-btn:hover { background: rgba(0,122,255,0.08); }
.hamburger-line {
  display: block;
  width: 20px; height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: transform .3s, opacity .3s, background .3s;
}
/* When menu is open, hamburger uses theme-aware colors */
.mobile-menu-btn.active .hamburger-line {
  background: var(--text-1) !important;
}
[data-theme="dark"] .mobile-menu-btn.active .hamburger-line {
  background: #fff !important;
}
.mobile-menu-btn.active .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-btn.active .hamburger-line:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================================================
   HERO
   =================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(165deg, #E8EDF6 0%, #F0F4FB 40%, var(--bg) 100%);
  padding: calc(var(--header-h) + 40px) 24px 60px;
  transition: background .4s ease;
}
[data-theme="dark"] .hero {
  background: linear-gradient(165deg, var(--dark-1) 0%, var(--dark-2) 40%, var(--dark-3) 100%);
}

/* Background orbs */
.hero-bg {
  position: absolute; inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.18;
}
.hero-orb--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--blue) 0%, transparent 70%);
  top: -20%; right: -10%;
  animation: orbFloat 18s ease-in-out infinite;
}
.hero-orb--2 {
  width: 450px; height: 450px;
  background: radial-gradient(circle, var(--gold) 0%, transparent 70%);
  bottom: -15%; left: -5%;
  opacity: 0.12;
  animation: orbFloat 22s ease-in-out infinite reverse;
}
.hero-orb--3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, var(--blue-light) 0%, transparent 70%);
  top: 40%; left: 50%;
  opacity: 0.08;
  animation: orbFloat 15s ease-in-out infinite 3s;
}
[data-theme="dark"] .hero-orb { opacity: 0.35; }
[data-theme="dark"] .hero-orb--2 { opacity: 0.18; }
[data-theme="dark"] .hero-orb--3 { opacity: 0.12; }
.hero-grain {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  background-repeat: repeat;
  opacity: 0;
}
[data-theme="dark"] .hero-grain { opacity: 0.5; }

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* App icon */
.hero-icon-wrap {
  position: relative;
  margin-bottom: 36px;
  animation: heroFloat 5s ease-in-out infinite;
}
.hero-icon {
  width: 160px; height: 160px;
  border-radius: 36px;
  position: relative;
  z-index: 2;
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.06),
    0 20px 60px rgba(0,0,0,0.12),
    0 0 80px rgba(0,122,255,0.1);
}
[data-theme="dark"] .hero-icon {
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.08),
    0 20px 60px rgba(0,0,0,0.5),
    0 0 80px rgba(255,184,0,0.15);
}
.hero-icon-glow {
  position: absolute;
  inset: -30px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,184,0,0.25) 0%, rgba(0,122,255,0.08) 50%, transparent 70%);
  z-index: 1;
  animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.12); opacity: 0.7; }
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* Hero text */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 7vw, 64px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-1);
  margin-bottom: 20px;
}
[data-theme="dark"] .hero-title { color: #fff; }
.hero-title-accent {
  background: linear-gradient(135deg, var(--gold-dim) 0%, var(--gold) 50%, var(--gold-dim) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmerGold 4s linear infinite;
}
[data-theme="dark"] .hero-title-accent {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
@keyframes shimmerGold {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.hero-subtitle {
  font-size: clamp(16px, 2.5vw, 19px);
  color: var(--text-2);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 40px;
}
[data-theme="dark"] .hero-subtitle { color: rgba(255,255,255,0.6); }

/* CTA Buttons */
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.store-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  transition: transform .25s, box-shadow .25s;
  position: relative;
  overflow: hidden;
}
.store-btn--apple {
  background: var(--text-1);
  color: var(--bg);
  box-shadow: 0 4px 24px rgba(0,0,0,0.1);
}
[data-theme="dark"] .store-btn--apple {
  background: #fff;
  color: #0F1729;
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}
.store-btn--apple:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}
[data-theme="dark"] .store-btn--apple:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.store-btn--google {
  background: rgba(0,0,0,0.04);
  color: var(--text-3);
  border: 1px solid var(--border);
  cursor: default;
  filter: grayscale(0.6);
}
[data-theme="dark"] .store-btn--google {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.35);
  border-color: rgba(255,255,255,0.08);
}
.store-btn--disabled {
  pointer-events: none;
}
.store-badge-icon { flex-shrink: 0; }
.store-badge-text { text-align: left; line-height: 1.25; }
.store-badge-text small { font-size: 11px; font-weight: 400; display: block; opacity: 0.7; }
.store-badge-text strong { font-size: 17px; font-weight: 700; }

.coming-soon-badge {
  position: absolute;
  top: 10px; right: -28px;
  background: var(--gold-dim);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 32px;
  transform: rotate(35deg);
}

/* Scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-3);
  animation: scrollBounce 2s ease-in-out infinite;
}
[data-theme="dark"] .hero-scroll-hint { color: rgba(255,255,255,0.25); }
.hero-scroll-hint svg { width: 28px; height: 28px; }
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.25; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 0.5; }
}

/* ===================================================
   FEATURES
   =================================================== */
.features {
  padding: 100px 0;
  position: relative;
}
.features .section-header {
  text-align: center;
  margin-bottom: 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform .3s cubic-bezier(.16,1,.3,1), box-shadow .3s, border-color .3s;
  position: relative;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0,122,255,0.15);
}

/* Highlighted card */
.feature-card--highlight {
  border-color: rgba(255,184,0,0.25);
  background: linear-gradient(135deg, var(--surface) 0%, rgba(255,184,0,0.03) 100%);
  box-shadow: 0 0 0 1px rgba(255,184,0,0.08), var(--shadow-md);
}
[data-theme="dark"] .feature-card--highlight {
  background: linear-gradient(135deg, var(--surface) 0%, rgba(255,184,0,0.06) 100%);
}
.feature-card--highlight:hover {
  border-color: rgba(255,184,0,0.4);
  box-shadow: 0 0 0 1px rgba(255,184,0,0.15), 0 12px 48px rgba(255,184,0,0.08);
}
.feature-highlight-badge {
  position: absolute;
  top: 14px; right: 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(255,184,0,0.1);
  padding: 4px 10px;
  border-radius: 100px;
}

.feature-icon-wrap {
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,122,255,0.08);
  border-radius: 14px;
  margin-bottom: 16px;
  color: var(--blue);
}
.feature-card--highlight .feature-icon-wrap {
  background: rgba(255,184,0,0.1);
  color: var(--gold);
}
.feature-icon-wrap svg { width: 24px; height: 24px; }

.feature-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.feature-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-2);
}

/* ===================================================
   VOICE HIGHLIGHT
   =================================================== */
.voice {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
  background: linear-gradient(170deg, #E8EDF6 0%, #F0F4FB 100%);
  color: var(--text-1);
  transition: background .4s ease, color .4s ease;
}
[data-theme="dark"] .voice {
  background: linear-gradient(170deg, var(--dark-2) 0%, var(--dark-1) 100%);
  color: #fff;
}
.voice-bg {
  position: absolute; inset: 0;
  pointer-events: none;
}
.voice-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
}
.voice-orb--1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--blue) 0%, transparent 70%);
  top: -30%; left: -10%;
  opacity: 0.08;
}
.voice-orb--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--gold) 0%, transparent 70%);
  bottom: -20%; right: -5%;
  opacity: 0.06;
}
[data-theme="dark"] .voice-orb--1 { opacity: 0.18; }
[data-theme="dark"] .voice-orb--2 { opacity: 0.1; }

.voice-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

/* Voice visual */
.voice-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 260px;
  height: 260px;
  margin: 0 auto;
}

.voice-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,122,255,0.15);
}
[data-theme="dark"] .voice-ring {
  border-color: rgba(0,122,255,0.12);
}
.voice-ring--1 { inset: 0; animation: ringPulse 4s ease-out infinite; }
.voice-ring--2 { inset: 15%; animation: ringPulse 4s ease-out infinite 1.3s; }
.voice-ring--3 { inset: 30%; animation: ringPulse 4s ease-out infinite 2.6s; }
@keyframes ringPulse {
  0% { transform: scale(0.8); opacity: 0.6; }
  100% { transform: scale(1.4); opacity: 0; }
}

.voice-mic-wrap {
  width: 80px; height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 100%);
  border-radius: 50%;
  box-shadow: 0 0 60px rgba(0,122,255,0.3);
  position: relative;
  z-index: 3;
}
.voice-mic-icon { width: 32px; height: 32px; color: #fff; }

/* Sound wave bars — inline version below title */
.voice-waves-inline {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 36px;
  margin-bottom: 24px;
}
.voice-bar {
  width: 3px;
  border-radius: 3px;
  background: var(--blue);
  animation: voiceWave 1.2s ease-in-out infinite;
  animation-delay: calc(var(--i) * 0.08s);
}
[data-theme="dark"] .voice-bar { background: var(--blue-light); }
@keyframes voiceWave {
  0%, 100% { height: 6px; opacity: 0.25; }
  50% { height: calc(10px + var(--i) * 2px); opacity: 0.6; }
}

/* Voice text */
.voice-content { position: relative; z-index: 2; }
.voice-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.voice-desc {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-2);
  margin-bottom: 16px;
}
[data-theme="dark"] .voice-desc { color: rgba(255,255,255,0.6); }
.voice-desc em {
  color: var(--gold-dim);
  font-style: normal;
  font-weight: 600;
}
[data-theme="dark"] .voice-desc em { color: var(--gold-light); }
.voice-desc--secondary {
  font-size: 15px;
  color: var(--text-3);
}
[data-theme="dark"] .voice-desc--secondary { color: rgba(255,255,255,0.4); }

/* ===================================================
   SUPPORT
   =================================================== */
.support {
  padding: 100px 0;
}
.support-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.support-info .section-subtitle { margin-bottom: 32px; }
.support-illustration {
  border-radius: var(--radius);
  max-width: 260px;
  opacity: 0.85;
}

/* Form */
.support-form {
  background: var(--surface);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}
.form-group {
  margin-bottom: 20px;
  position: relative;
}
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-1);
}
.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-size: 15px;
  transition: border-color .25s, box-shadow .25s;
  color: var(--text-1);
}
.form-input::placeholder { color: var(--text-3); }
.form-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.1);
}
.form-input.invalid {
  border-color: #FF3B30;
}
.form-input.invalid:focus {
  box-shadow: 0 0 0 3px rgba(255,59,48,0.1);
}
.form-textarea { resize: vertical; min-height: 120px; }

.select-wrap {
  position: relative;
}
.select-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px; height: 18px;
  color: var(--text-3);
  pointer-events: none;
}
.form-select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 42px;
  cursor: pointer;
}

.form-error {
  display: none;
  font-size: 13px;
  color: #FF3B30;
  margin-top: 4px;
}
.form-group.has-error .form-error { display: block; }

.form-submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 100%);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform .25s, box-shadow .25s, opacity .25s;
  position: relative;
}
.form-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(0,122,255,0.3);
}
.form-submit:active { transform: translateY(0); }
.form-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}
.form-submit-icon { width: 18px; height: 18px; }
.form-submit-loading { display: none; align-items: center; gap: 8px; }
.form-submit.loading .form-submit-text { display: none; }
.form-submit.loading .form-submit-icon { display: none; }
.form-submit.loading .form-submit-loading { display: flex; }

.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.form-feedback {
  display: none;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-top: 16px;
  font-size: 15px;
}
.form-feedback svg { width: 22px; height: 22px; flex-shrink: 0; margin-top: 1px; }
.form-feedback.show { display: flex; }
.form-feedback--success {
  background: rgba(52,199,89,0.08);
  color: var(--green);
}
.form-feedback--error {
  background: rgba(255,59,48,0.08);
  color: #FF3B30;
}

/* ===================================================
   FOOTER
   =================================================== */
.site-footer {
  background: var(--dark-1);
  color: rgba(255,255,255,0.5);
  padding: 48px 0 32px;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 24px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.footer-logo {
  width: 44px; height: 44px;
  border-radius: 12px;
}
.footer-name {
  font-size: 18px;
  color: #fff;
  display: block;
}
.footer-tagline {
  font-size: 14px;
  color: rgba(255,255,255,0.4);
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 14px;
  font-weight: 500;
  transition: color .25s;
}
.footer-links a:hover { color: var(--blue-light); }
.footer-bottom {
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.3);
}

/* ===================================================
   RESPONSIVE
   =================================================== */

/* Tablet */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .voice-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .voice-visual {
    width: 220px;
    height: 220px;
  }
  .voice-waves-inline {
    justify-content: center;
  }
  .support-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .support-info { text-align: center; }
  .support-info .section-subtitle { margin-left: auto; margin-right: auto; }
  .support-illustration { margin: 0 auto; }
}

/* Mobile */
@media (max-width: 768px) {
  :root { --header-h: 60px; }

  .main-nav {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity .35s, visibility .35s;
    z-index: 999;
  }
  [data-theme="dark"] .main-nav {
    background: var(--dark-2);
  }
  .main-nav.open {
    opacity: 1;
    visibility: visible;
  }
  .main-nav.open .nav-link {
    color: var(--text-1);
  }
  [data-theme="dark"] .main-nav.open .nav-link {
    color: #fff;
  }
  .nav-list {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }
  .nav-link {
    font-size: 24px;
    padding: 12px 24px;
  }
  .mobile-menu-btn {
    display: flex;
    z-index: 1001;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .hero-icon {
    width: 120px; height: 120px;
    border-radius: 28px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  .store-btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .voice {
    padding: 80px 0;
  }

  .support-form {
    padding: 24px;
  }

  .footer-top {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
}

/* Small phones */
@media (max-width: 380px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 32px; }
  .store-btn { padding: 12px 20px; }
  .store-badge-text strong { font-size: 15px; }
  .support-form { padding: 20px; }
}

/* ===================================================
   PRINT
   =================================================== */
@media print {
  .site-header, .hero-bg, .voice-bg, .hero-scroll-hint,
  .theme-toggle, .mobile-menu-btn { display: none !important; }
  .hero { min-height: auto; padding: 40px 24px; }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ===================================================
   REDUCED MOTION
   =================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ===================================================
   FOCUS STYLES (Accessibility)
   =================================================== */
:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
  border-radius: 4px;
}
.store-btn:focus-visible,
.form-submit:focus-visible,
.nav-link:focus-visible {
  outline-offset: 4px;
}