/* ============================================
   CONVETRA — Premium Landing Page
   ============================================ */

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

:root {
  --bg: #060612;
  --bg-surface: #0d0d24;
  --bg-card: rgba(124, 131, 255, 0.04);
  --border: rgba(124, 131, 255, 0.12);
  --border-hover: rgba(124, 131, 255, 0.3);
  --primary: #7c83ff;
  --primary-light: #a5aaff;
  --primary-dim: rgba(124, 131, 255, 0.15);
  --gold: #f5c842;
  --gold-dark: #e6a817;
  --text: #ffffff;
  --text-secondary: #8a8ab5;
  --text-dim: #555577;
  --green: #4caf50;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  cursor: default;
  overflow-x: hidden;
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   ANIMATED BACKGROUND
   ============================================ */

.bg-effects {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  will-change: transform;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #7c83ff 0%, transparent 70%);
  top: -200px;
  right: -150px;
  animation: orbFloat1 20s ease-in-out infinite;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #4a5aff 0%, transparent 70%);
  bottom: -100px;
  left: -200px;
  animation: orbFloat2 25s ease-in-out infinite;
}

.orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, #9b59b6 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: orbFloat3 18s ease-in-out infinite;
  opacity: 0.2;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 131, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 131, 255, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 30%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 30%, black 20%, transparent 70%);
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-80px, 60px) scale(1.1); }
  66% { transform: translate(40px, -30px) scale(0.95); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(70px, -50px) scale(1.05); }
  66% { transform: translate(-40px, 40px) scale(0.9); }
}

@keyframes orbFloat3 {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.3); }
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav.scrolled {
  padding: 10px 0;
  background: rgba(6, 6, 18, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.nav-logo img {
  border-radius: 8px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch {
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(13, 13, 36, 0.8);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238a8ab5' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 24px;
}

.lang-switch:hover { border-color: var(--border-hover); }
.lang-switch:focus { border-color: var(--primary); }
.lang-switch option { background: var(--bg-surface); color: var(--text); }

.nav-cta {
  padding: 8px 20px;
  border-radius: 100px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s;
}

.nav-cta:hover {
  background: var(--primary-light);
  box-shadow: 0 0 24px rgba(124, 131, 255, 0.4);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 100px;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  transition: all 0.3s;
  border: none;
  cursor: default;
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

.btn-glow {
  box-shadow: 0 0 30px rgba(124, 131, 255, 0.3);
}

.btn-glow:hover {
  box-shadow: 0 0 50px rgba(124, 131, 255, 0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 100px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 16px;
  font-weight: 500;
  border: 1px solid var(--border);
  transition: all 0.3s;
  cursor: default;
}

.btn-secondary:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--primary-dim);
}

.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 100px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #1a1000;
  font-size: 16px;
  font-weight: 700;
  transition: all 0.3s;
  border: none;
  cursor: default;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(245, 200, 66, 0.35);
}

.btn-full { width: 100%; justify-content: center; }

.btn-lg {
  padding: 18px 36px;
  font-size: 17px;
}

/* ============================================
   HERO
   ============================================ */

.hero {
  position: relative;
  z-index: 1;
  padding: 160px 0 100px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 6px 10px;
  border-radius: 100px;
  background: var(--primary-dim);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 500;
  color: var(--primary-light);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: clamp(42px, 5.5vw, 72px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, #a78bfa 50%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -1px;
}

.stat-num.stat-text {
  font-size: 16px;
  letter-spacing: 0;
  line-height: 1.3;
  font-weight: 700;
  display: flex;
  align-items: center;
  min-height: 36px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 2px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ============================================
   HERO MOCKUP
   ============================================ */

.hero-visual {
  display: flex;
  justify-content: center;
}

.mockup {
  position: relative;
  width: 380px;
}

.mockup-glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(circle at center, rgba(124, 131, 255, 0.2) 0%, transparent 70%);
  filter: blur(40px);
  z-index: 0;
  animation: mockupGlow 4s ease-in-out infinite;
}

@keyframes mockupGlow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.mockup-window {
  position: relative;
  z-index: 1;
  border-radius: 20px;
  background: rgba(13, 13, 36, 0.9);
  border: 1px solid var(--border);
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow:
    0 25px 80px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(124, 131, 255, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: rgba(22, 33, 62, 0.8);
  border-bottom: 1px solid var(--border);
}

.mockup-dots {
  display: flex;
  gap: 6px;
}

.mockup-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mockup-dots span:nth-child(1) { background: #ff5f57; }
.mockup-dots span:nth-child(2) { background: #febc2e; }
.mockup-dots span:nth-child(3) { background: #28c840; }

.mockup-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 10px;
}

.mockup-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}

.mockup-name {
  font-size: 14px;
  font-weight: 600;
}

.mockup-status {
  font-size: 11px;
  color: var(--green);
}

.mockup-chat {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 300px;
}

.mockup-msg {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 14px;
  animation: msgAppear 0.4s ease-out both;
}

.mockup-msg:nth-child(1) { animation-delay: 0.5s; }
.mockup-msg:nth-child(2) { animation-delay: 1.2s; }
.mockup-msg:nth-child(3) { animation-delay: 2s; }
.mockup-msg:nth-child(4) { animation-delay: 2.8s; }

@keyframes msgAppear {
  from { opacity: 0; transform: translateY(10px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.mockup-received {
  align-self: flex-start;
  background: rgba(22, 33, 62, 0.8);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.mockup-sent {
  align-self: flex-end;
  background: var(--primary);
  border-bottom-right-radius: 4px;
}

.mockup-text {
  font-size: 13px;
  line-height: 1.4;
}

.mockup-translation {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 12px;
  color: var(--primary-light);
  line-height: 1.4;
}

.mockup-translation::before {
  content: '\1F310 ';
  font-size: 10px;
}

.mockup-time {
  font-size: 10px;
  opacity: 0.5;
  margin-top: 4px;
  text-align: right;
}

.mockup-received .mockup-time { text-align: left; }

.mockup-input {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: rgba(22, 33, 62, 0.8);
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-dim);
}

.mockup-send {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #fff;
}

/* ============================================
   SECTIONS COMMON
   ============================================ */

section {
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 100px;
  background: var(--primary-dim);
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.section-header h2 {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
}

/* ============================================
   FEATURES
   ============================================ */

.features {
  padding: 120px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 32px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: radial-gradient(circle at top left, rgba(124, 131, 255, 0.08) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

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

/* ============================================
   HOW IT WORKS
   ============================================ */

.how {
  padding: 120px 0;
}

.steps {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: 32px;
  position: relative;
  padding-bottom: 48px;
}

.step:last-child { padding-bottom: 0; }

.step-num {
  font-size: 48px;
  font-weight: 900;
  color: var(--primary);
  opacity: 0.3;
  line-height: 1;
  flex-shrink: 0;
  width: 70px;
  text-align: center;
}

.step-line {
  position: absolute;
  left: 35px;
  top: 60px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--border), transparent);
}

.step:last-child .step-line { display: none; }

.step-content h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.step-content p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ============================================
   LANGUAGES
   ============================================ */

.languages {
  padding: 120px 0;
}

.lang-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.lang-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.lang-card:hover {
  border-color: var(--border-hover);
  background: var(--primary-dim);
  transform: translateY(-2px);
}

.lang-flag {
  font-size: 24px;
  line-height: 1;
}

.lang-name {
  font-size: 14px;
  font-weight: 500;
}

/* ============================================
   PRICING
   ============================================ */

.pricing {
  padding: 120px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.pricing-card {
  padding: 40px 36px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.4s;
}

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

.pricing-premium {
  border-color: rgba(245, 200, 66, 0.25);
  background: linear-gradient(170deg, rgba(245, 200, 66, 0.06) 0%, rgba(124, 131, 255, 0.04) 100%);
}

.pricing-premium:hover {
  border-color: rgba(245, 200, 66, 0.4);
  box-shadow: 0 20px 80px rgba(245, 200, 66, 0.1);
}

.pricing-popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  border-radius: 100px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #1a1000;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.pricing-tier {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.pricing-price {
  margin-bottom: 32px;
}

.price-amount {
  font-size: 44px;
  font-weight: 900;
  letter-spacing: -2px;
}

.price-gold {
  background: linear-gradient(135deg, var(--gold), #ffe066);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-period {
  font-size: 14px;
  color: var(--text-dim);
  margin-left: 4px;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--text-secondary);
}

.pricing-features svg { flex-shrink: 0; }

/* ============================================
   DOWNLOAD CTA
   ============================================ */

.download {
  padding: 120px 0;
}

.download-card {
  position: relative;
  text-align: center;
  padding: 80px 40px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  overflow: hidden;
}

.download-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 300px;
  background: radial-gradient(circle, rgba(124, 131, 255, 0.2) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.download-card h2 {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
  position: relative;
}

.download-card p {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  position: relative;
}

.download-card .btn-primary {
  position: relative;
}

.download-note {
  display: block;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-dim);
  position: relative;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  position: relative;
  z-index: 1;
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
}

.footer-brand img { border-radius: 6px; }

.footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-link {
  font-size: 13px;
  color: var(--text-dim);
  transition: color 0.2s;
}

.footer-link:hover { color: var(--primary-light); }

.footer-copy {
  font-size: 13px;
  color: var(--text-dim);
}

/* ============================================
   SCROLL REVEAL ANIMATION
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.features-grid .reveal:nth-child(2) { transition-delay: 0.08s; }
.features-grid .reveal:nth-child(3) { transition-delay: 0.16s; }
.features-grid .reveal:nth-child(4) { transition-delay: 0.24s; }
.features-grid .reveal:nth-child(5) { transition-delay: 0.32s; }
.features-grid .reveal:nth-child(6) { transition-delay: 0.4s; }

.steps .reveal:nth-child(2) { transition-delay: 0.15s; }
.steps .reveal:nth-child(3) { transition-delay: 0.3s; }

.pricing-grid .reveal:nth-child(2) { transition-delay: 0.12s; }

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

@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-sub { margin: 0 auto 32px; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }

  .mockup { width: 340px; }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .lang-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(6, 6, 18, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open { display: flex; }

  .nav-right .nav-cta { display: none; }
  .nav-burger { display: flex; }

  .hero { padding: 120px 0 60px; }
  .hero-title { letter-spacing: -1px; }

  .features-grid,
  .lang-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .step { gap: 20px; }
  .step-num { font-size: 36px; width: 50px; }
  .step-line { left: 25px; }

  .mockup { width: 300px; }

  .download-card { padding: 48px 24px; }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .features-grid,
  .lang-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .stat-divider { display: none; }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary, .btn-secondary {
    justify-content: center;
  }

  .mockup { width: 100%; max-width: 320px; }
}

/* ============================================
   SCROLLBAR
   ============================================ */

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #222; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #333; }

/* ============================================
   SELECTION
   ============================================ */

::selection {
  background: rgba(124, 131, 255, 0.3);
  color: #fff;
}