/* ============================================
   ChinaWiFiGo - Modern Light Theme
   Bright, Fashionable, Minimalist, Professional
   ============================================ */

:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --accent-light: #22d3ee;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-light: #ffffff;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    --transition-base: 0.3s ease;
    --font-sans: 'Plus Jakarta Sans', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: var(--transition-base); }

/* ============================================
   LOADING SCREEN - Digital Earth · Global Connection
   ============================================ */
#loading-screen {
    position: fixed; inset: 0;
    background: radial-gradient(ellipse at 50% 35%, #1e1b4b 0%, #0f172a 50%, #020617 100%);
    display: flex; align-items: center; justify-content: center;
    z-index: 10000;
    transition: opacity 0.8s cubic-bezier(0.23, 1, 0.32, 1), visibility 0.8s;
}
#loading-screen.hidden { opacity: 0; visibility: hidden; }

.loading-center { text-align: center; }

/* Particles */
.loading-particles {
    position: absolute; inset: 0;
    overflow: hidden;
}
.particle {
    position: absolute;
    width: 2px; height: 2px;
    background: rgba(255,255,255,0.7);
    border-radius: 50%;
    animation: particleFloat 8s linear infinite;
}

/* Earth wrapper */
.loading-earth-wrapper {
    position: relative;
    width: 200px; height: 200px;
    margin: 0 auto;
    animation: earthWrapperEnter 1.2s cubic-bezier(0.23, 1, 0.32, 1) 0.5s both;
}

@keyframes earthWrapperEnter {
    from { opacity: 0; transform: scale(0.5) rotateY(-30deg); }
    to { opacity: 1; transform: scale(1) rotateY(0); }
}

/* Globe */
.loading-earth {
    position: absolute; inset: 20px;
    border-radius: 50%;
    background:
        radial-gradient(circle at 25% 25%, rgba(99,102,241,0.35) 0%, transparent 55%),
        radial-gradient(circle at 75% 70%, rgba(168,85,247,0.25) 0%, transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(59,130,246,0.15) 0%, transparent 60%),
        linear-gradient(160deg, #1e1b4b 0%, #312e81 40%, #1e3a8a 100%);
    box-shadow:
        inset -30px -30px 60px rgba(0,0,0,0.5),
        inset 20px 20px 40px rgba(255,255,255,0.08),
        0 0 60px rgba(99,102,241,0.25),
        0 0 120px rgba(99,102,241,0.1);
    animation: globeRotate 30s linear infinite;
    transform-style: preserve-3d;
}

.loading-earth::before {
    content: '';
    position: absolute; top: 10%; left: 15%;
    width: 35%; height: 25%;
    background: radial-gradient(ellipse, rgba(255,255,255,0.12) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(6px);
}

.loading-earth::after {
    content: '';
    position: absolute; inset: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, transparent 50%, rgba(0,0,0,0.3) 100%);
    pointer-events: none;
}

/* China beacon */
.china-beacon {
    position: absolute;
    top: 30%; left: 64%;
    width: 20px; height: 18px;
    background: radial-gradient(circle, rgba(251,191,36,0.9) 0%, rgba(251,191,36,0.4) 40%, transparent 70%);
    border-radius: 50%;
    animation: beaconPulse 2s cubic-bezier(0.23, 1, 0.32, 1) 2s infinite;
    filter: blur(1px);
}

@keyframes beaconPulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.6); opacity: 1; }
}

/* Signal waves */
.signal-waves {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
}
.signal-wave {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid rgba(99,102,241,0.5);
    border-radius: 50%;
    opacity: 0;
}
.signal-wave:nth-child(1) {
    width: 220px; height: 220px;
    animation: waveExpand 2.5s cubic-bezier(0.23, 1, 0.32, 1) 2s infinite;
}
.signal-wave:nth-child(2) {
    width: 220px; height: 220px;
    animation: waveExpand 2.5s cubic-bezier(0.23, 1, 0.32, 1) 2.7s infinite;
}
.signal-wave:nth-child(3) {
    width: 220px; height: 220px;
    animation: waveExpand 2.5s cubic-bezier(0.23, 1, 0.32, 1) 3.4s infinite;
}

@keyframes waveExpand {
    0% { transform: translate(-50%, -50%) scale(0.65); opacity: 0.7; border-color: rgba(99,102,241,0.6); }
    50% { border-color: rgba(168,85,247,0.3); }
    100% { transform: translate(-50%, -50%) scale(2.0); opacity: 0; border-color: rgba(99,102,241,0); }
}

/* Orbit rings */
.orbit-ring {
    position: absolute;
    top: 50%; left: 50%;
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}
.orbit-ring.ring-1 {
    width: 260px; height: 260px;
    animation: orbitSpin 18s linear infinite;
}
.orbit-ring.ring-2 {
    width: 340px; height: 340px;
    animation: orbitSpin 25s linear infinite reverse;
}
.orbit-ring .satellite {
    position: absolute;
    top: -3px; left: 50%;
    transform: translateX(-50%);
    width: 5px; height: 5px;
    background: rgba(255,255,255,0.85);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(255,255,255,0.5), 0 0 20px rgba(99,102,241,0.3);
}

@keyframes orbitSpin {
    from { transform: translate(-50%, -50%) rotateX(70deg) rotateZ(0deg); }
    to { transform: translate(-50%, -50%) rotateX(70deg) rotateZ(360deg); }
}

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

@keyframes particleFloat {
    0% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-120px) translateX(60px); opacity: 0; }
}

/* Loading text */
.loading-text { margin-top: 50px; }
.loading-brand {
    display: block;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 2.5rem; font-weight: 800;
    background: linear-gradient(135deg, #818cf8, #c084fc, #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: textReveal 1s cubic-bezier(0.23, 1, 0.32, 1) 3s both;
    letter-spacing: 0.05em;
}
.loading-subtitle {
    display: block;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1rem; font-weight: 300;
    color: rgba(255,255,255,0.55);
    margin-top: 10px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    animation: textReveal 1s cubic-bezier(0.23, 1, 0.32, 1) 3.4s both;
}

@keyframes textReveal {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   LOADING SCREEN - Cosmic Connection v2
   ============================================ */
#loading-screen {
    position: fixed; inset: 0; z-index: 99999;
    background: linear-gradient(160deg, #0f172a 0%, #1e1b4b 30%, #1e3a8a 100%);
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.8s cubic-bezier(0.23, 1, 0.32, 1), visibility 0.8s;
}
#loading-screen.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loading-particles { position: absolute; inset: 0; overflow: hidden; }
.loading-particle {
    position: absolute; border-radius: 50%;
    background: rgba(255,255,255,0.6); box-shadow: 0 0 6px rgba(99,102,241,0.5);
    animation: particleFloat var(--duration) ease-in-out infinite;
    animation-delay: var(--delay);
}

.loading-center { position: relative; z-index: 2; text-align: center; }

.loading-earth-wrapper {
    position: relative; width: 200px; height: 200px; margin: 0 auto;
    animation: earthWrapperEnter 1s cubic-bezier(0.23, 1, 0.32, 1) 0.3s both;
}

@keyframes earthWrapperEnter {
    from { opacity: 0; transform: scale(0.3) rotateY(-45deg); filter: blur(10px); }
    to { opacity: 1; transform: scale(1) rotateY(0); filter: blur(0); }
}

.loading-earth {
    position: absolute; inset: 20px; border-radius: 50%;
    background:
        radial-gradient(circle at 25% 25%, rgba(99,102,241,0.4) 0%, transparent 55%),
        radial-gradient(circle at 75% 70%, rgba(168,85,247,0.3) 0%, transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(59,130,246,0.2) 0%, transparent 60%),
        linear-gradient(160deg, #1e1b4b 0%, #312e81 40%, #1e3a8a 100%);
    box-shadow:
        inset -30px -30px 60px rgba(0,0,0,0.5),
        inset 20px 20px 40px rgba(255,255,255,0.08),
        0 0 60px rgba(99,102,241,0.3),
        0 0 120px rgba(99,102,241,0.15),
        0 0 200px rgba(99,102,241,0.05);
    animation: globeRotate 20s linear infinite;
    transform-style: preserve-3d;
}

.loading-earth::before {
    content: ''; position: absolute; top: 10%; left: 15%;
    width: 35%; height: 25%;
    background: radial-gradient(ellipse, rgba(255,255,255,0.15) 0%, transparent 70%);
    border-radius: 50%; filter: blur(6px);
}

.loading-earth::after {
    content: ''; position: absolute; inset: 0; border-radius: 50%;
    background: linear-gradient(135deg, transparent 50%, rgba(0,0,0,0.3) 100%);
    pointer-events: none;
}

.china-beacon {
    position: absolute; top: 30%; left: 64%;
    width: 20px; height: 18px;
    background: radial-gradient(circle, rgba(251,191,36,0.95) 0%, rgba(251,191,36,0.5) 40%, transparent 70%);
    border-radius: 50%; animation: beaconPulse 1.8s cubic-bezier(0.23, 1, 0.32, 1) 1.5s infinite;
    filter: blur(1px);
}

@keyframes beaconPulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.8); opacity: 1; }
}

.signal-waves { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.signal-wave {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    border: 2px solid rgba(99,102,241,0.5); border-radius: 50%; opacity: 0;
}
.signal-wave:nth-child(1) { width: 220px; height: 220px; animation: waveExpand 2s cubic-bezier(0.23, 1, 0.32, 1) 1.2s infinite; }
.signal-wave:nth-child(2) { width: 220px; height: 220px; animation: waveExpand 2s cubic-bezier(0.23, 1, 0.32, 1) 1.7s infinite; }
.signal-wave:nth-child(3) { width: 220px; height: 220px; animation: waveExpand 2s cubic-bezier(0.23, 1, 0.32, 1) 2.2s infinite; }

@keyframes waveExpand {
    0% { transform: translate(-50%, -50%) scale(0.5); opacity: 0.8; border-color: rgba(99,102,241,0.7); }
    50% { border-color: rgba(168,85,247,0.4); }
    100% { transform: translate(-50%, -50%) scale(2.0); opacity: 0; border-color: rgba(99,102,241,0); }
}

.orbit-ring { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); border-radius: 50%; border: 1px solid rgba(255,255,255,0.08); }
.orbit-ring.ring-1 { width: 260px; height: 260px; animation: orbitSpin 12s linear infinite; }
.orbit-ring.ring-2 { width: 320px; height: 320px; animation: orbitSpin 18s linear infinite reverse; }

.satellite {
    position: absolute; top: -3px; left: 50%; transform: translateX(-50%);
    width: 6px; height: 6px; border-radius: 50%;
    background: rgba(255,255,255,0.8); box-shadow: 0 0 8px rgba(99,102,241,0.6);
}

@keyframes orbitSpin { from { transform: translate(-50%, -50%) rotate(0); } to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes globeRotate { from { transform: rotate(0); } to { transform: rotate(360deg); } }
@keyframes particleFloat { 0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; } 50% { transform: translateY(-20px) scale(1.2); opacity: 0.8; } }

.loading-text { margin-top: 40px; text-align: center; }
.loading-brand {
    display: block; font-size: 1.75rem; font-weight: 800; letter-spacing: 0.05em;
    color: var(--text-light); animation: textReveal 0.8s cubic-bezier(0.23, 1, 0.32, 1) 1.2s both;
}
.loading-brand .gradient-letter { display: inline-block; animation: letterBounce 0.6s cubic-bezier(0.23, 1, 0.32, 1) both; }
@keyframes letterBounce { from { opacity: 0; transform: translateY(30px) rotateX(-90deg); } to { opacity: 1; transform: translateY(0) rotateX(0); } }
.loading-subtitle {
    display: block; font-size: 0.85rem; font-weight: 400; color: rgba(255,255,255,0.55);
    margin-top: 10px; letter-spacing: 0.25em; text-transform: uppercase;
    animation: textReveal 0.8s cubic-bezier(0.23, 1, 0.32, 1) 1.6s both;
}

@keyframes textReveal {
    from { opacity: 0; transform: translateY(20px); filter: blur(4px); }
    to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

.loading-progress {
    width: 120px; height: 2px; background: rgba(255,255,255,0.1); border-radius: 2px;
    margin: 20px auto 0; overflow: hidden; animation: fadeIn 0.5s ease 1.8s both;
}
.loading-progress-bar {
    width: 0%; height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px; animation: progressFill 1.5s ease-in-out 2s forwards;
}
@keyframes progressFill { from { width: 0%; } to { width: 100%; } }

/* ============================================
   SCROLL ANIMATIONS v2 - Modern & Smooth
   ============================================ */
.fade-in, .slide-in-up, .slide-in-left, .slide-in-right, .scale-in, .flip-in {
    opacity: 0; transition: opacity 0.8s cubic-bezier(0.23, 1, 0.32, 1), transform 0.8s cubic-bezier(0.23, 1, 0.32, 1), filter 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}
.fade-in { transform: translateY(0); filter: blur(4px); }
.slide-in-up { transform: translateY(50px); filter: blur(2px); }
.slide-in-left { transform: translateX(-50px); }
.slide-in-right { transform: translateX(50px); }
.scale-in { transform: scale(0.85) translateY(20px); }
.flip-in { transform: perspective(800px) rotateX(-15deg) translateY(30px); filter: blur(2px); }

.fade-in.visible, .slide-in-up.visible, .slide-in-left.visible, .slide-in-right.visible, .scale-in.visible, .flip-in.visible {
    opacity: 1; transform: translate(0) scale(1) rotateX(0); filter: blur(0);
}

.stagger-1 { transition-delay: 0.08s; }
.stagger-2 { transition-delay: 0.16s; }
.stagger-3 { transition-delay: 0.24s; }
.stagger-4 { transition-delay: 0.32s; }
.stagger-5 { transition-delay: 0.40s; }
.stagger-6 { transition-delay: 0.48s; }

/* Hero entrance animations */
.hero-entrance .hero-badge { animation: heroBadgeIn 0.8s cubic-bezier(0.23, 1, 0.32, 1) 0.4s both; }
.hero-entrance .hero-title { animation: heroTitleIn 1s cubic-bezier(0.23, 1, 0.32, 1) 0.6s both; }
.hero-entrance .hero-subtitle { animation: heroFadeIn 0.8s cubic-bezier(0.23, 1, 0.32, 1) 0.8s both; }
.hero-entrance .hero-cta { animation: heroFadeIn 0.8s cubic-bezier(0.23, 1, 0.32, 1) 1s both; }
.hero-entrance .hero-contact { animation: heroFadeIn 0.8s cubic-bezier(0.23, 1, 0.32, 1) 1.2s both; }
.hero-entrance .hero-device { animation: heroDeviceIn 1.2s cubic-bezier(0.23, 1, 0.32, 1) 0.8s both; }

@keyframes heroBadgeIn { from { opacity: 0; transform: translateY(-20px) scale(0.9); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes heroTitleIn { from { opacity: 0; transform: translateY(40px); filter: blur(6px); } to { opacity: 1; transform: translateY(0); filter: blur(0); } }
@keyframes heroFadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes heroDeviceIn { from { opacity: 0; transform: translateY(60px) rotateX(-10deg) scale(0.9); } to { opacity: 1; transform: translateY(0) rotateX(0) scale(1); } }

/* ============================================
   NAVIGATION
   ============================================ */
#main-nav {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    padding: 1rem 0; transition: var(--transition-base);
}
#main-nav.scrolled {
    background: rgba(255,255,255,0.95); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm); padding: 0.75rem 0;
}

.nav-container { max-width: 1280px; margin: 0 auto; padding: 0 var(--space-lg); display: flex; align-items: center; justify-content: space-between; }

.logo { display: flex; align-items: center; gap: 0.75rem; }
.logo-icon {
    width: 40px; height: 40px; background: var(--gradient-primary); border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center; color: var(--text-light);
    font-size: 1.25rem; box-shadow: 0 4px 15px rgba(99,102,241,0.3);
}
.logo-text { font-size: 1.5rem; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.logo-brand { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); letter-spacing: 0.02em; white-space: nowrap; }

.nav-links { display: flex; align-items: center; gap: var(--space-lg); }
.nav-link { font-size: 0.95rem; font-weight: 500; color: var(--text-secondary); position: relative; padding: 0.5rem 0; }
.nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--gradient-primary); transition: var(--transition-base); }
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: var(--space-md); }

.btn-lang { display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1rem; border-radius: var(--radius-full); background: var(--bg-tertiary); color: var(--text-secondary); font-size: 0.875rem; font-weight: 500; }
.btn-lang:hover { background: var(--bg-secondary); color: var(--text-primary); }

.btn-primary {
    display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1.5rem;
    background: var(--gradient-primary); color: var(--text-light); font-size: 0.95rem; font-weight: 600;
    border-radius: var(--radius-full); box-shadow: 0 4px 15px rgba(99,102,241,0.3);
    transition: var(--transition-base); border: none; cursor: pointer;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(99,102,241,0.4); }

.btn-secondary {
    display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1.5rem;
    background: var(--bg-primary); color: var(--text-primary); font-size: 0.95rem; font-weight: 600;
    border-radius: var(--radius-full); border: 2px solid var(--bg-tertiary); transition: var(--transition-base);
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

.btn-outline {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.75rem 1.5rem; background: transparent; color: var(--primary); font-size: 0.95rem; font-weight: 600;
    border-radius: var(--radius-full); border: 2px solid var(--primary); transition: var(--transition-base); width: 100%;
}
.btn-outline:hover { background: var(--primary); color: var(--text-light); transform: translateY(-2px); }

.btn-lg { padding: 1rem 2rem; font-size: 1rem; }

.btn-whatsapp {
    display: inline-flex; align-items: center; gap: 0.5rem; padding: 1rem 2rem;
    background: #25d366; color: var(--text-light); font-size: 1rem; font-weight: 600;
    border-radius: var(--radius-full); box-shadow: 0 4px 15px rgba(37,211,102,0.3); transition: var(--transition-base);
}
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37,211,102,0.4); }

.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 5px; }
.mobile-menu-btn span { display: block; width: 24px; height: 2px; background: var(--text-primary); transition: var(--transition-base); }

.mobile-menu { display: none; position: fixed; top: 70px; left: 0; width: 100%; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); padding: var(--space-lg); flex-direction: column; gap: var(--space-md); box-shadow: var(--shadow-lg); z-index: 999; }
.mobile-menu.active { display: flex; }
.mobile-link { font-size: 1.1rem; font-weight: 500; color: var(--text-primary); padding: var(--space-sm) 0; border-bottom: 1px solid var(--bg-tertiary); }
.mobile-btn { margin-top: var(--space-sm); justify-content: center; }

/* ============================================
   HERO SECTION
   ============================================ */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding: 8rem 0 4rem; overflow: hidden; background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%); }

.hero-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; overflow: hidden; pointer-events: none; }

.gradient-orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.5; }
.orb-1 { width: 500px; height: 500px; background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%); top: -10%; right: -5%; animation: orbFloat 8s ease-in-out infinite; }
.orb-2 { width: 400px; height: 400px; background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%); bottom: -10%; left: -5%; animation: orbFloat 10s ease-in-out infinite reverse; }
.orb-3 { width: 300px; height: 300px; background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%); top: 40%; right: 20%; animation: orbFloat 12s ease-in-out infinite 2s; }

.hero-content { position: relative; z-index: 1; max-width: 1280px; margin: 0 auto; padding: 0 var(--space-lg); display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3xl); align-items: center; }

.hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1rem; background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2); border-radius: var(--radius-full); font-size: 0.875rem; font-weight: 600; color: var(--primary); margin-bottom: var(--space-lg); width: fit-content; }

.hero-title { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; line-height: 1.1; color: var(--text-primary); margin-bottom: var(--space-md); }
.gradient-text { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.hero-subtitle { font-size: 1.25rem; color: var(--text-secondary); margin-bottom: var(--space-xl); max-width: 500px; }
.hero-actions { display: flex; gap: var(--space-md); margin-bottom: var(--space-3xl); }

.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }
.stat-item { text-align: center; }
.stat-number { display: block; font-size: 2rem; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: 0.875rem; color: var(--text-secondary); }

.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.device-mockup { position: relative; width: 320px; height: 400px; }
.device-frame { width: 100%; height: 100%; background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%); border-radius: var(--radius-xl); padding: 2rem; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25), 0 0 0 1px rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; }
.device-screen { text-align: center; color: var(--text-light); }

.wifi-icon-large { font-size: 5rem; margin-bottom: var(--space-md); background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; animation: iconPulse 2s ease-in-out infinite; }

.signal-bars { display: flex; align-items: flex-end; justify-content: center; gap: 4px; margin-bottom: var(--space-lg); }
.bar { width: 6px; background: linear-gradient(to top, var(--primary), var(--accent)); border-radius: 3px; animation: signalBars 1.5s ease-in-out infinite; }
.bar:nth-child(1) { height: 12px; animation-delay: 0s; }
.bar:nth-child(2) { height: 20px; animation-delay: 0.1s; }
.bar:nth-child(3) { height: 28px; animation-delay: 0.2s; }
.bar:nth-child(4) { height: 36px; animation-delay: 0.3s; }

.speed-indicator { display: flex; align-items: baseline; justify-content: center; gap: 0.5rem; }
.speed-value { font-size: 3rem; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.speed-unit { font-size: 1rem; color: var(--text-muted); }

.floating-card { position: absolute; display: flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1rem; background: var(--bg-primary); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); font-size: 0.875rem; font-weight: 600; color: var(--text-primary); animation: floatCard 3s ease-in-out infinite; }
.card-1 { top: 10%; right: -20px; animation-delay: 0s; }
.card-2 { bottom: 20%; left: -30px; animation-delay: 1.5s; }
.floating-card i { color: var(--primary); }

.scroll-indicator { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 0.75rem; color: var(--text-muted); font-size: 0.875rem; }
.scroll-mouse { width: 24px; height: 36px; border: 2px solid var(--text-muted); border-radius: 12px; position: relative; }
.scroll-wheel { position: absolute; top: 6px; left: 50%; transform: translateX(-50%); width: 4px; height: 8px; background: var(--text-muted); border-radius: 2px; animation: scrollWheel 1.5s ease-in-out infinite; }

/* ============================================
   SECTIONS COMMON
   ============================================ */
.section-container { max-width: 1280px; margin: 0 auto; padding: 0 var(--space-lg); }
.section-header { text-align: center; margin-bottom: var(--space-3xl); }
.section-tag { display: inline-block; padding: 0.5rem 1rem; background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2); border-radius: var(--radius-full); font-size: 0.875rem; font-weight: 600; color: var(--primary); margin-bottom: var(--space-md); }
.section-title { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: var(--text-primary); margin-bottom: var(--space-sm); }
.section-subtitle { font-size: 1.25rem; color: var(--text-secondary); }

/* ============================================
   PARTNERS SECTION
   ============================================ */
.partners { padding: var(--space-2xl) 0; background: var(--bg-secondary); border-top: 1px solid var(--bg-tertiary); border-bottom: 1px solid var(--bg-tertiary); }
.partners-container { max-width: 1280px; margin: 0 auto; padding: 0 var(--space-lg); text-align: center; }
.partners-label { font-size: 0.875rem; color: var(--text-muted); margin-bottom: var(--space-lg); text-transform: uppercase; letter-spacing: 0.1em; }
.partners-logos { display: flex; justify-content: center; align-items: center; gap: var(--space-3xl); flex-wrap: wrap; }
.partner-logo { font-size: 2rem; color: var(--text-muted); transition: var(--transition-base); }
.partner-logo:hover { color: var(--primary); transform: translateY(-2px); }

/* ============================================
   FEATURES SECTION
   ============================================ */
.features { padding: var(--space-3xl) 0; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }

.feature-card {
    padding: var(--space-xl); background: var(--bg-primary); border-radius: var(--radius-xl);
    border: 1px solid var(--bg-tertiary); transition: var(--transition-base); position: relative; overflow: hidden;
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-xl); border-color: var(--primary-light); }
.feature-card.featured { grid-row: span 2; background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(99,102,241,0.05) 100%); }

.feature-icon {
    width: 60px; height: 60px; background: var(--gradient-primary); border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center; color: var(--text-light); font-size: 1.5rem;
    margin-bottom: var(--space-md); box-shadow: 0 8px 20px rgba(99,102,241,0.3);
}

.feature-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: var(--space-sm); color: var(--text-primary); }
.feature-card p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; }

.feature-highlight { margin-top: var(--space-lg); padding-top: var(--space-md); border-top: 1px solid var(--bg-tertiary); }
.highlight-value { display: block; font-size: 2.5rem; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.highlight-label { font-size: 0.875rem; color: var(--text-muted); }

/* ============================================
   HOW IT WORKS SECTION
   ============================================ */
.how-it-works { padding: var(--space-3xl) 0; background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%); }

.steps { display: flex; gap: var(--space-xl); position: relative; }
.step { flex: 1; text-align: center; position: relative; }
.step-number {
    font-size: 4rem; font-weight: 800; color: rgba(99,102,241,0.1);
    position: absolute; top: -20px; left: 50%; transform: translateX(-50%); z-index: 0;
}
.step-content { position: relative; z-index: 1; padding: var(--space-xl) var(--space-md); }
.step-icon {
    width: 80px; height: 80px; background: var(--gradient-primary); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; color: var(--text-light);
    font-size: 2rem; margin: 0 auto var(--space-md); box-shadow: 0 10px 30px rgba(99,102,241,0.3);
}
.step-content h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: var(--space-sm); color: var(--text-primary); }
.step-content p { font-size: 1rem; color: var(--text-secondary); }

.step-line { position: absolute; top: 40px; right: -50%; width: 100%; height: 2px; background: linear-gradient(to right, var(--primary), var(--secondary)); opacity: 0.3; }
.step:last-child .step-line { display: none; }

/* ============================================
   PRICING SECTION
   ============================================ */
.pricing { padding: var(--space-3xl) 0; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); align-items: start; }

.pricing-card {
    padding: var(--space-xl); background: var(--bg-primary); border-radius: var(--radius-xl);
    border: 1px solid var(--bg-tertiary); transition: var(--transition-base); position: relative;
}
.pricing-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-xl); }
.pricing-card.popular { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-light), var(--shadow-xl); transform: scale(1.05); }

.popular-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    padding: 0.5rem 1.5rem; background: var(--gradient-primary); color: var(--text-light);
    font-size: 0.875rem; font-weight: 600; border-radius: var(--radius-full);
}

.pricing-header { text-align: center; margin-bottom: var(--space-lg); }
.pricing-header h3 { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); }
.pricing-header p { font-size: 0.875rem; color: var(--text-muted); }

.pricing-price { text-align: center; margin-bottom: var(--space-lg); }
.pricing-price .currency { font-size: 1.5rem; font-weight: 600; color: var(--text-primary); vertical-align: top; }
.pricing-price .amount { font-size: 4rem; font-weight: 800; color: var(--text-primary); line-height: 1; }
.pricing-price .period { font-size: 1rem; color: var(--text-muted); }

.pricing-features { list-style: none; margin-bottom: var(--space-xl); }
.pricing-features li { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 0; font-size: 0.95rem; color: var(--text-secondary); border-bottom: 1px solid var(--bg-tertiary); }
.pricing-features li:last-child { border-bottom: none; }
.pricing-features li i { color: var(--primary); }

/* ============================================
   COVERAGE SECTION
   ============================================ */
.coverage { padding: var(--space-3xl) 0; background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%); }
.coverage-content { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3xl); align-items: center; }

.coverage-cities { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin: var(--space-xl) 0; }
.city-tag {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.5rem 1rem; background: var(--bg-primary); border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-full); font-size: 0.875rem; font-weight: 500; color: var(--text-secondary);
    transition: var(--transition-base);
}
.city-tag:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.city-tag i { color: var(--primary); }

.coverage-visual { display: flex; align-items: center; justify-content: center; }
.china-map { width: 100%; max-width: 500px; }
.map-svg { width: 100%; height: auto; }
.map-outline { fill: url(#mapGradient); stroke: var(--primary); stroke-width: 2; }
.coverage-point { fill: var(--primary); }

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials { padding: var(--space-3xl) 0; }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }

.testimonial-card {
    padding: var(--space-xl); background: var(--bg-primary); border-radius: var(--radius-xl);
    border: 1px solid var(--bg-tertiary); transition: var(--transition-base);
}
.testimonial-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-xl); }

.testimonial-rating { display: flex; gap: 0.25rem; margin-bottom: var(--space-md); }
.testimonial-rating i { color: #fbbf24; font-size: 0.875rem; }

.testimonial-text { font-size: 1rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: var(--space-lg); }

.testimonial-author { display: flex; align-items: center; gap: var(--space-sm); }
.author-avatar {
    width: 48px; height: 48px; background: var(--gradient-primary); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; color: var(--text-light);
    font-size: 0.875rem; font-weight: 700;
}
.author-info { display: flex; flex-direction: column; }
.author-name { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); }
.author-location { font-size: 0.875rem; color: var(--text-muted); }

/* ============================================
   CTA SECTION
   ============================================ */
.cta { position: relative; padding: var(--space-3xl) 0; overflow: hidden; }
.cta-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; overflow: hidden; pointer-events: none; }
.cta-bg .orb-1 { width: 600px; height: 600px; top: -50%; left: -10%; opacity: 0.3; }
.cta-bg .orb-2 { width: 500px; height: 500px; bottom: -50%; right: -10%; opacity: 0.3; }

.cta-content { position: relative; z-index: 1; text-align: center; max-width: 800px; margin: 0 auto; padding: 0 var(--space-lg); }
.cta-content h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: var(--text-primary); margin-bottom: var(--space-md); }
.cta-content p { font-size: 1.25rem; color: var(--text-secondary); margin-bottom: var(--space-xl); }

.cta-actions { display: flex; justify-content: center; gap: var(--space-md); margin-bottom: var(--space-xl); }

.cta-contact { display: flex; justify-content: center; gap: var(--space-lg); flex-wrap: wrap; }
.cta-contact span { display: flex; align-items: center; gap: 0.5rem; font-size: 0.95rem; color: var(--text-secondary); }
.cta-contact span i { color: var(--primary); }

/* ============================================
   FOOTER
   ============================================ */
.footer { background: var(--bg-dark); color: var(--text-light); }

.footer-main { padding: var(--space-3xl) 0 var(--space-2xl); }
.footer-container { max-width: 1280px; margin: 0 auto; padding: 0 var(--space-lg); }

.footer-main .footer-container { display: grid; grid-template-columns: 1.5fr 2fr; gap: var(--space-3xl); }

.footer-brand .footer-logo { display: flex; align-items: center; gap: 0.75rem; margin-bottom: var(--space-md); }
.footer-brand .footer-logo .logo-icon { background: var(--gradient-primary); }
.footer-brand .footer-logo .logo-text { color: var(--text-light); -webkit-text-fill-color: var(--text-light); }

.footer-description { font-size: 0.95rem; color: var(--text-muted); line-height: 1.7; margin-bottom: var(--space-lg); }

.footer-social { display: flex; gap: var(--space-sm); }
.social-link {
    width: 40px; height: 40px; background: rgba(255,255,255,0.1); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; color: var(--text-light);
    font-size: 1rem; transition: var(--transition-base);
}
.social-link:hover { background: var(--primary); transform: translateY(-3px); }

.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-xl); }
.footer-column h4 { font-size: 1rem; font-weight: 700; color: var(--text-light); margin-bottom: var(--space-md); }
.footer-column a { display: block; font-size: 0.875rem; color: var(--text-muted); padding: 0.5rem 0; transition: var(--transition-base); }
.footer-column a:hover { color: var(--text-light); padding-left: 0.5rem; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: var(--space-lg) 0; }

/* ============================================
   FRIENDLY LINKS
   ============================================ */
.footer-friendly-links {
    background: rgba(255,255,255,0.02);
    border-top: 1px solid rgba(255,255,255,0.06);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding: var(--space-md) 0;
}
.footer-friendly-links h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.footer-friendly-links h4 i { color: var(--primary-light); font-size: 0.75rem; }
.friendly-links-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs) var(--space-md);
}
.friendly-links-list a {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    padding: 0.2rem 0;
    transition: var(--transition-base);
    text-decoration: none;
}
.friendly-links-list a i { font-size: 0.7rem; color: var(--primary-light); transition: var(--transition-base); }
.friendly-links-list a:hover { color: var(--text-light); }
.friendly-links-list a:hover i { color: var(--accent-light); }

@media (max-width: 768px) {
    .friendly-links-list { justify-content: center; }
    .footer-friendly-links h4 { text-align: center; justify-content: center; }
}
.footer-bottom .footer-container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-md); }

.footer-info p { font-size: 0.875rem; color: var(--text-muted); }
.footer-license { margin-top: 0.25rem; }

.footer-payment { display: flex; gap: var(--space-sm); }
.footer-payment i { font-size: 1.5rem; color: var(--text-muted); transition: var(--transition-base); }
.footer-payment i:hover { color: var(--text-light); }

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
    position: fixed; bottom: 2rem; right: 2rem;
    width: 48px; height: 48px; background: var(--gradient-primary); color: var(--text-light);
    border: none; border-radius: 50%; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; box-shadow: 0 4px 15px rgba(99,102,241,0.4);
    opacity: 0; visibility: hidden; transform: translateY(20px);
    transition: var(--transition-base); z-index: 999;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(99,102,241,0.5); }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-visual { display: none; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-card.featured { grid-row: span 1; }
    .coverage-content { grid-template-columns: 1fr; }
    .coverage-visual { order: -1; }
    .footer-main .footer-container { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links, .nav-actions .btn-lang { display: none; }
    .mobile-menu-btn { display: flex; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: 1fr; }
    .steps { flex-direction: column; }
    .step-line { display: none; }
    .pricing-grid { grid-template-columns: 1fr; }
    .pricing-card.popular { transform: scale(1); }
    .testimonials-grid { grid-template-columns: 1fr; }
    .cta-actions { flex-direction: column; }
    .footer-links { grid-template-columns: 1fr; text-align: center; }
    .footer-social { justify-content: center; }
    .footer-bottom .footer-container { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.5rem; }
    .hero-actions { flex-direction: column; }
    .section-title { font-size: 2rem; }
    .partners-logos { gap: var(--space-lg); }
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-in {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

.slide-in-left {
    opacity: 0; transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.slide-in-left.visible { opacity: 1; transform: translateX(0); }

.slide-in-right {
    opacity: 0; transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.slide-in-right.visible { opacity: 1; transform: translateX(0); }

.scale-in {
    opacity: 0; transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.scale-in.visible { opacity: 1; transform: scale(1); }

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }


/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7); }
}

/* ============================================
   QR CODE MODAL
   ============================================ */
.qr-modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0; visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.qr-modal-overlay.active { opacity: 1; visibility: visible; }

.qr-modal {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    max-width: 400px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}
.qr-modal-overlay.active .qr-modal { transform: scale(1); }

.qr-modal h3 { margin-bottom: var(--space-md); color: var(--text-primary); }
.qr-modal img { max-width: 250px; width: 100%; border-radius: var(--radius-md); margin-bottom: var(--space-md); }
.qr-modal-close {
    padding: 0.5rem 1.5rem;
    background: var(--bg-tertiary); color: var(--text-primary);
    border: none; border-radius: var(--radius-full);
    cursor: pointer; font-weight: 600;
    transition: var(--transition-base);
}
.qr-modal-close:hover { background: var(--primary); color: var(--text-light); }

/* ============================================
   LANGUAGE DROPDOWN
   ============================================ */
.lang-dropdown {
    position: relative;
}
.lang-dropdown-menu {
    position: absolute;
    top: 100%; right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    opacity: 0; visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-base);
    z-index: 100;
    overflow: hidden;
}
.lang-dropdown:hover .lang-dropdown-menu,
.lang-dropdown.active .lang-dropdown-menu {
    opacity: 1; visibility: visible;
    transform: translateY(0);
}
.lang-dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: var(--transition-base);
    white-space: nowrap;
}
.lang-dropdown-item:hover { background: var(--bg-secondary); color: var(--primary); }

/* ============================================
   HERO DEVICE VISUAL - SMALLER & LEFT
   ============================================ */
.hero-device-mini {
    position: relative;
    width: 260px;
    height: 180px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.2), 0 0 0 1px rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 0.5rem;
}
.hero-device-mini .connected-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: #22c55e;
}
.hero-device-mini .connected-badge i { animation: pulseDot 2s ease-in-out infinite; }
@keyframes pulseDot { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* ============================================
   COVERAGE MAP - CHINA OUTLINE
   ============================================ */
.china-map-svg { width: 100%; max-width: 500px; }
.china-map-svg .china-outline {
    fill: rgba(99, 102, 241, 0.08);
    stroke: var(--primary);
    stroke-width: 1.5;
}
.china-map-svg .city-marker {
    fill: var(--primary);
    animation: markerPulse 2s ease-in-out infinite;
}
.china-map-svg .city-marker:nth-child(2) { animation-delay: 0.3s; }
.china-map-svg .city-marker:nth-child(3) { animation-delay: 0.6s; }
.china-map-svg .city-marker:nth-child(4) { animation-delay: 0.9s; }
.china-map-svg .city-marker:nth-child(5) { animation-delay: 1.2s; }
.china-map-svg .city-marker:nth-child(6) { animation-delay: 1.5s; }
.china-map-svg .city-marker:nth-child(7) { animation-delay: 1.8s; }
.china-map-svg .city-marker:nth-child(8) { animation-delay: 2.1s; }
.china-map-svg .city-label {
    font-size: 10px;
    fill: var(--text-secondary);
}

@keyframes markerPulse {
    0%, 100% { opacity: 0.6; r: 4; }
    50% { opacity: 1; r: 6; }
}

/* ============================================
   EARTH ANIMATION - CHINA HIGHLIGHT
   ============================================ */
.earth-china-highlight {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 1s ease;
}
.earth-china-highlight.active {
    opacity: 1;
    background: radial-gradient(circle at 65% 35%, rgba(255, 200, 0, 0.4) 0%, transparent 30%);
}

/* ============================================
   RESPONSIVE ADDITIONS
   ============================================ */
@media (max-width: 768px) {
    .qr-modal { padding: var(--space-md); }
    .qr-modal img { max-width: 200px; }
    .hero-device-mini { width: 200px; height: 140px; }
}



/* ============================================
   WHATSAPP FLOAT BUTTON v2 - 3D Icon (No circle bg)
   ============================================ */
.whatsapp-float-v2 {
    position: fixed;
    bottom: 100px;
    right: 29px;
    z-index: 9999;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: transform 0.3s ease;
    filter: drop-shadow(0 4px 12px rgba(37, 211, 102, 0.35));
    animation: whatsappShake 2.5s ease-in-out infinite;
    animation-delay: 1s;
    border-radius: 0 !important;
    background: none !important;
    box-shadow: none !important;
    border: none !important;
}

.whatsapp-float-v2:hover {
    transform: scale(1.08);
    filter: drop-shadow(0 6px 20px rgba(37, 211, 102, 0.5));
    animation-play-state: paused;
}

.whatsapp-float-v2:active {
    transform: scale(0.95);
}

.whatsapp-float-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    pointer-events: none;
    border-radius: 0 !important;
    background: none !important;
    box-shadow: none !important;
    border: none !important;
}

@keyframes whatsappShake {
    0%, 100% { transform: rotate(0deg); }
    2% { transform: rotate(-3deg); }
    4% { transform: rotate(3deg); }
    6% { transform: rotate(-2deg); }
    8% { transform: rotate(2deg); }
    10% { transform: rotate(0deg); }
}

#whatsappQRModal {
    position: fixed;
    right: 29px;
    bottom: 180px;
    z-index: 100000;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
    transform: scale(0.9) translateY(10px);
    width: 340px;
    max-width: calc(100vw - 58px);
    filter: drop-shadow(0 10px 40px rgba(0,0,0,0.25));
}

#whatsappQRModal.active {
    display: block;
    opacity: 1;
    transform: scale(1) translateY(0);
}

#whatsappQRModal .qr-modal-content {
    background: var(--bg-primary, #fff);
    border-radius: 16px;
    padding: 24px;
    position: relative;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    text-align: center;
}

/* 小箭头指向 WhatsApp 浮动按钮 */
#whatsappQRModal .qr-modal-content::after {
    content: '';
    position: absolute;
    bottom: -10px;
    right: 24px;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid var(--bg-primary, #fff);
}

#whatsappQRModal .qr-modal-content img {
    max-width: 260px;
    width: 100%;
    border-radius: 12px;
    margin: 0 auto;
    display: block;
}

@media (max-width: 768px) {
    #whatsappQRModal {
        right: 19px;
        bottom: 90px;
        width: 300px;
        max-width: calc(100vw - 38px);
    }
    #whatsappQRModal .qr-modal-content::after {
        right: 14px;
    }
    .whatsapp-float-v2 {
        bottom: 20px;
        right: 19px;
        width: 60px;
        height: 60px;
    }
}


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

@media (max-width: 480px) {
  :root { --radius: 12px; --radius-sm: 8px; --radius-xs: 6px; }
  .container, .section-container { padding: 0 16px !important; }
  .nav-container { padding: 0 16px !important; height: 56px !important; }
  .nav-logo { font-size: 18px !important; }
  .nav-logo img { height: 28px !important; }
  .nav-links { display: none !important; }
  .nav-actions { gap: 8px !important; }
  .hero { padding: 80px 0 48px !important; }
  .hero h1, .hero-title { font-size: 28px !important; line-height: 1.3 !important; }
  .hero p, .hero-subtitle { font-size: 15px !important; }
  .hero .btn-group { flex-direction: column !important; align-items: center !important; gap: 12px !important; }
  .hero .btn-group .btn-primary, .hero .btn-group .btn-secondary { width: 100% !important; max-width: 280px !important; }
  .section { padding: 48px 0 !important; }
  .section-title { font-size: 24px !important; }
  .section-subtitle { font-size: 15px !important; }
  .features-grid, .pricing-grid, .stats-grid, .testimonial-grid, .guide-grid, .city-grid, .attraction-grid, .info-grid, .card-grid, .grid, .city-info-grid, .itinerary-grid, .extras-grid, .places-grid { grid-template-columns: 1fr !important; gap: 16px !important; }
  .pricing-card, .feature-card, .testimonial-card, .guide-card, .attraction-card, .city-card, .info-card, .card, .card-1, .card-2, .floating-card, .step-card, .faq-item, .experience-card, .blog-card, .order-card, .cities-card, .related-card, .article-card, .city-info-card, .extras-card, .route-card, .itinerary-card, .pc, .place-card, .overview-card { padding: 20px !important; border-radius: 12px !important; }
  .pricing-card.popular { transform: none !important; }
  .pricing-price { font-size: 2.5rem !important; }
  .pricing-price .currency { font-size: 1.25rem !important; }
  .pricing-features li { font-size: 13px !important; padding: 8px 0 !important; }
  .stats-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 12px !important; }
  .stat-number { font-size: 2rem !important; }
  .stat-label { font-size: 12px !important; }
  .form-container, .form-card { padding: 20px !important; border-radius: 12px !important; }
  .form-row { flex-direction: column !important; gap: 0 !important; }
  .form-group { flex: none !important; width: 100% !important; margin-bottom: 16px !important; }
  .form-input, .form-select, .form-textarea, .input-field { padding: 12px 14px !important; font-size: 15px !important; border-radius: 8px !important; }
  .step-indicator { flex-direction: column !important; gap: 8px !important; }
  .step-connector { display: none !important; }
  .payment-methods { flex-direction: column !important; gap: 12px !important; }
  .payment-method { padding: 16px !important; }
  .summary-box { padding: 16px !important; margin: 16px 0 !important; }
  .summary-row { padding: 8px 0 !important; font-size: 14px !important; }
  .summary-total { font-size: 18px !important; }
  .trust-badges { gap: 1rem !important; margin-top: 2rem !important; flex-wrap: wrap !important; }
  .trust-badge i { font-size: 1.5rem !important; }
  .trust-badge p { font-size: 12px !important; }
  .exchange-rate { padding: 8px !important; font-size: 13px !important; }
  .qr-display { padding: 20px !important; }
  .qr-display .amount { font-size: 28px !important; }
  .qr-display img { max-width: 220px !important; }
  .toast { padding: 12px 20px !important; font-size: 14px !important; }
  .footer-grid { grid-template-columns: 1fr !important; gap: 24px !important; padding: 40px 0 !important; }
  .footer-brand .logo { font-size: 18px !important; }
  .footer-bottom { padding-top: 16px !important; font-size: 12px !important; }
  .btn-primary, .btn-secondary, .btn-outline, .btn-lang, .btn-whatsapp, .btn-lg, .btn, .btn-sm { padding: 12px 20px !important; font-size: 14px !important; border-radius: 10px !important; }
  .btn-lg { padding: 14px 24px !important; font-size: 15px !important; }
  .card-image { height: 160px !important; }
  .card-image img { height: 160px !important; }
  .card-title { font-size: 18px !important; }
  .card-text { font-size: 13px !important; }
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr !important; }
  .flex-row { flex-direction: column !important; }
  .mobile-only { display: block !important; }
  .desktop-only { display: none !important; }
  table { display: block !important; overflow-x: auto !important; -webkit-overflow-scrolling: touch !important; white-space: nowrap !important; }
  .img-responsive, img { max-width: 100% !important; height: auto !important; }
  .whatsapp-float { width: 50px !important; height: 50px !important; bottom: 16px !important; right: 16px !important; }
  .whatsapp-float i { font-size: 20px !important; }
  .back-to-top { width: 44px !important; height: 44px !important; bottom: 80px !important; right: 16px !important; }
  .faq-question { font-size: 14px !important; padding: 14px 16px !important; }
  .faq-answer { font-size: 13px !important; padding: 0 16px 14px !important; }
  .guide-profile { flex-direction: column !important; text-align: center !important; }
  .guide-avatar { width: 80px !important; height: 80px !important; margin: 0 auto 12px !important; }
  .modal-content { padding: 20px !important; border-radius: 12px !important; width: 95% !important; }
  .popup { padding: 20px !important; border-radius: 12px !important; width: 95% !important; }
  .timeline-item { padding-left: 40px !important; }
  .timeline-dot { width: 32px !important; height: 32px !important; left: 0 !important; }
  .timeline-content { padding: 16px !important; }
  .scroll-container { padding: 0 16px !important; }
  .scroll-item { min-width: 280px !important; }
  .rating-bar { height: 6px !important; }
  .review-header { flex-direction: column !important; gap: 8px !important; }
  .author-avatar { width: 40px !important; height: 40px !important; }
  .comparison-table { display: block !important; overflow-x: auto !important; }
  .comparison-table th, .comparison-table td { padding: 10px 12px !important; font-size: 13px !important; }
  .device-mockup { max-width: 100% !important; }
  .step-number { width: 36px !important; height: 36px !important; font-size: 14px !important; }
  .step-title { font-size: 15px !important; }
  .step-description { font-size: 13px !important; }
  .language-switcher { padding: 6px 10px !important; font-size: 12px !important; }
  .city-banners, .related-section, .promo-section { grid-template-columns: 1fr !important; gap: 12px !important; }
  .banner-card { padding: 16px !important; }
  .promo-card { padding: 16px !important; }
  .city-cta { padding: 24px 16px !important; }
  .city-cta h2 { font-size: 20px !important; }
  .city-cta a { padding: 12px 20px !important; font-size: 14px !important; }
  .city-cta a + a { margin-left: 0 !important; margin-top: 8px !important; display: block !important; }
  .city-overview { padding: 20px !important; }
  .city-overview h3 { font-size: 17px !important; }
  .overview-card { padding: 14px !important; }
  .overview-card .big { font-size: 18px !important; }
  .city-extras { padding: 20px !important; }
  .extras-card { padding: 14px !important; }
  .route-card { padding: 14px !important; }
  .city-banners { gap: 12px !important; margin: 1rem 0 !important; }
  .city-banners > div { padding: 20px !important; border-radius: 12px !important; }
  .city-banners h4 { font-size: 15px !important; }
  .city-banners p { font-size: 12px !important; }
  .city-banners a { padding: 8px 16px !important; font-size: 12px !important; }
  .hidden-mobile { display: none !important; }
  .visible-mobile { display: block !important; }
  .flex-wrap-mobile { flex-wrap: wrap !important; }
  .justify-center-mobile { justify-content: center !important; }
  .items-center-mobile { align-items: center !important; }
  .overflow-x-auto-mobile { overflow-x: auto !important; -webkit-overflow-scrolling: touch !important; }
  .whitespace-nowrap-mobile { white-space: nowrap !important; }
  .min-w-0-mobile { min-width: 0 !important; }
  .break-words-mobile { word-break: break-word !important; overflow-wrap: break-word !important; }
  .truncate-mobile { overflow: hidden !important; text-overflow: ellipsis !important; white-space: nowrap !important; }
  .rounded-mobile { border-radius: 8px !important; }
  .rounded-lg-mobile { border-radius: 12px !important; }
  .shadow-mobile { box-shadow: 0 2px 8px rgba(0,0,0,0.08) !important; }
  .border-mobile { border: 1px solid var(--border) !important; }
  .bg-white-mobile { background: #fff !important; }
  .bg-secondary-mobile { background: var(--bg-secondary) !important; }
  .text-primary-mobile { color: var(--text-primary) !important; }
  .text-secondary-mobile { color: var(--text-secondary) !important; }
  .text-accent-mobile { color: var(--accent) !important; }
  .font-semibold-mobile { font-weight: 600 !important; }
  .font-bold-mobile { font-weight: 700 !important; }
  .tracking-tight-mobile { letter-spacing: -0.02em !important; }
  .text-balance-mobile { text-wrap: balance !important; }
  .snap-x-mobile { scroll-snap-type: x mandatory !important; }
  .snap-start-mobile { scroll-snap-align: start !important; }
  .scrollbar-hide-mobile { -ms-overflow-style: none !important; scrollbar-width: none !important; }
  .scrollbar-hide-mobile::-webkit-scrollbar { display: none !important; }
  .touch-pan-x-mobile { touch-action: pan-x !important; }
  .select-none-mobile { user-select: none !important; -webkit-user-select: none !important; }
}


@media (min-width: 481px) and (max-width: 767px) {
  .container, .section-container { padding: 0 20px !important; }
  .nav-container { padding: 0 20px !important; }
  .hero h1, .hero-title { font-size: 32px !important; }
  .hero p, .hero-subtitle { font-size: 16px !important; }
  .section { padding: 56px 0 !important; }
  .section-title { font-size: 26px !important; }
  .features-grid, .pricing-grid, .testimonial-grid, .guide-grid, .city-grid, .attraction-grid, .info-grid, .card-grid, .grid, .city-info-grid, .extras-grid, .places-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 16px !important; }
  .stats-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 16px !important; }
  .stat-number { font-size: 2.25rem !important; }
  .footer-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 24px !important; padding: 48px 0 !important; }
  .pricing-card, .feature-card, .testimonial-card, .guide-card, .attraction-card, .city-card, .info-card, .card, .card-1, .card-2, .floating-card, .step-card, .faq-item, .experience-card, .blog-card, .order-card, .cities-card, .related-card, .article-card, .city-info-card, .extras-card, .route-card, .itinerary-card, .pc, .place-card, .overview-card { padding: 22px !important; }
  .pricing-price { font-size: 2.75rem !important; }
  .form-container, .form-card { padding: 24px !important; }
  .form-row { flex-direction: column !important; gap: 0 !important; }
  .form-group { flex: none !important; width: 100% !important; margin-bottom: 16px !important; }
  .step-indicator { flex-wrap: wrap !important; justify-content: center !important; }
  .step-connector { width: 20px !important; }
  .payment-methods { flex-direction: column !important; gap: 12px !important; }
  .btn-primary, .btn-secondary, .btn-outline, .btn-lang, .btn-whatsapp, .btn-lg, .btn, .btn-sm { padding: 12px 22px !important; font-size: 14px !important; }
  .btn-lg { padding: 14px 28px !important; font-size: 15px !important; }
  .grid-3, .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr) !important; }
  .card-image { height: 180px !important; }
  .card-image img { height: 180px !important; }
  .card-title { font-size: 19px !important; }
  .timeline-item { padding-left: 48px !important; }
  .timeline-dot { width: 36px !important; height: 36px !important; }
  .scroll-item { min-width: 300px !important; }
  .city-banners, .related-section, .promo-section { grid-template-columns: repeat(2, 1fr) !important; gap: 14px !important; }
  .nav-links { display: none !important; }
  .city-cta { padding: 28px 20px !important; }
  .city-cta h2 { font-size: 22px !important; }
  .city-cta a { padding: 14px 24px !important; font-size: 15px !important; }
  .city-cta a + a { margin-left: 0 !important; margin-top: 8px !important; display: block !important; }
  .city-overview { padding: 24px !important; }
  .city-overview h3 { font-size: 18px !important; }
  .overview-card { padding: 16px !important; }
  .overview-card .big { font-size: 20px !important; }
  .city-extras { padding: 24px !important; }
  .extras-card { padding: 16px !important; }
  .route-card { padding: 16px !important; }
  .itinerary-grid { grid-template-columns: 1fr !important; }
  .itinerary-card { padding: 18px !important; }
  .guide-card { padding: 18px !important; }
  .guide-card img { height: 200px !important; }
  .experience-card { padding: 18px !important; }
  .experience-card img { height: 200px !important; }
  .blog-card { padding: 18px !important; }
  .blog-card img { height: 180px !important; }
  .device-steps { flex-direction: column !important; gap: 16px !important; }
  .device-step { width: 100% !important; }
  .related-links { padding: 20px !important; }
  .related-links h3 { font-size: 17px !important; }
  .related-section { padding: 20px !important; }
  .promo-section { padding: 20px !important; }
  .faq-answer { padding: 0 20px 20px !important; }
  .modal-content { padding: 24px !important; }
  .popup { padding: 24px !important; }
  .guide-profile { flex-direction: column !important; text-align: center !important; }
  .guide-avatar { width: 90px !important; height: 90px !important; margin: 0 auto 14px !important; }
  .guide-info { padding: 0 !important; }
  .guide-name { font-size: 17px !important; }
  .guide-bio { font-size: 13px !important; }
  .guide-specialties { justify-content: center !important; }
  .city-banner { padding: 24px !important; }
  .city-banner h3 { font-size: 17px !important; }
  .city-banner p { font-size: 13px !important; }
  .city-banner a { padding: 10px 20px !important; font-size: 13px !important; }
  .city-banners > div { padding: 24px !important; border-radius: 14px !important; }
  .city-banners h4 { font-size: 16px !important; }
  .city-banners p { font-size: 13px !important; }
  .city-banners a { padding: 10px 18px !important; font-size: 13px !important; }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .container, .section-container { padding: 0 24px !important; }
  .nav-container { padding: 0 24px !important; }
  .hero h1, .hero-title { font-size: 36px !important; }
  .hero p, .hero-subtitle { font-size: 17px !important; }
  .section { padding: 64px 0 !important; }
  .section-title { font-size: 28px !important; }
  .features-grid, .pricing-grid, .testimonial-grid, .guide-grid, .city-grid, .attraction-grid, .info-grid, .card-grid, .grid, .city-info-grid, .extras-grid, .places-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 18px !important; }
  .stats-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 18px !important; }
  .footer-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 28px !important; padding: 52px 0 !important; }
  .pricing-card, .feature-card, .testimonial-card, .guide-card, .attraction-card, .city-card, .info-card, .card, .card-1, .card-2, .floating-card, .step-card, .faq-item, .experience-card, .blog-card, .order-card, .cities-card, .related-card, .article-card, .city-info-card, .extras-card, .route-card, .itinerary-card, .pc, .place-card, .overview-card { padding: 24px !important; }
  .pricing-price { font-size: 2.75rem !important; }
  .form-container, .form-card { padding: 28px !important; }
  .btn-primary, .btn-secondary, .btn-outline, .btn-lang, .btn-whatsapp, .btn-lg, .btn, .btn-sm { padding: 14px 28px !important; font-size: 15px !important; }
  .btn-lg { padding: 15px 30px !important; font-size: 16px !important; }
  .grid-3 { grid-template-columns: repeat(2, 1fr) !important; }
  .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr) !important; }
  .card-image { height: 200px !important; }
  .card-image img { height: 200px !important; }
  .timeline-item { padding-left: 52px !important; }
  .timeline-dot { width: 38px !important; height: 38px !important; }
  .scroll-item { min-width: 320px !important; }
  .city-banners, .related-section, .promo-section { grid-template-columns: repeat(2, 1fr) !important; gap: 16px !important; }
  .nav-links { gap: 20px !important; }
  .nav-links a { font-size: 13px !important; }
  .nav-actions { gap: 10px !important; }
  .city-cta { padding: 32px 24px !important; }
  .city-cta h2 { font-size: 24px !important; }
  .city-cta a { padding: 14px 28px !important; font-size: 15px !important; }
  .city-cta .btn-primary { width: auto !important; }
  .city-cta .btn-outline { width: auto !important; display: inline-block !important; margin-left: 1rem !important; margin-top: 0 !important; }
  .city-overview { padding: 28px !important; }
  .city-overview h3 { font-size: 19px !important; }
  .city-info-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 16px !important; }
  .city-info-card { padding: 18px !important; }
  .city-extras { padding: 28px !important; }
  .extras-card { padding: 18px !important; }
  .route-card { padding: 18px !important; }
  .itinerary-grid { grid-template-columns: 1fr !important; }
  .itinerary-card { padding: 20px !important; }
  .guide-card { padding: 20px !important; }
  .guide-card img { height: 220px !important; }
  .experience-card { padding: 20px !important; }
  .experience-card img { height: 220px !important; }
  .blog-card { padding: 20px !important; }
  .blog-card img { height: 200px !important; }
  .device-steps { flex-direction: row !important; gap: 20px !important; }
  .device-step { width: auto !important; flex: 1 !important; }
  .related-links { padding: 24px !important; }
  .related-links h3 { font-size: 18px !important; }
  .related-section { padding: 24px !important; }
  .promo-section { padding: 24px !important; }
  .faq-answer { padding: 0 24px 24px !important; }
  .modal-content { padding: 28px !important; }
  .popup { padding: 28px !important; }
  .guide-profile { flex-direction: row !important; text-align: left !important; }
  .guide-avatar { width: 100px !important; height: 100px !important; margin: 0 16px 0 0 !important; }
  .guide-info { padding: 0 !important; }
  .guide-name { font-size: 18px !important; }
  .guide-bio { font-size: 14px !important; }
  .guide-specialties { justify-content: flex-start !important; }
  .city-banner { padding: 28px !important; }
  .city-banner h3 { font-size: 18px !important; }
  .city-banner p { font-size: 14px !important; }
  .city-banner a { padding: 12px 22px !important; font-size: 14px !important; }
  .city-banners > div { padding: 28px !important; border-radius: 14px !important; }
  .city-banners h4 { font-size: 17px !important; }
  .city-banners p { font-size: 13px !important; }
  .city-banners a { padding: 10px 20px !important; font-size: 13px !important; }
}

@media (min-width: 1025px) and (max-width: 1200px) {
  .container, .section-container { padding: 0 28px !important; }
  .nav-container { padding: 0 28px !important; }
  .hero h1, .hero-title { font-size: 40px !important; }
  .features-grid, .pricing-grid, .testimonial-grid, .guide-grid, .city-grid, .attraction-grid, .info-grid, .card-grid, .grid, .stats-grid, .places-grid { grid-template-columns: repeat(3, 1fr) !important; gap: 18px !important; }
  .footer-grid { grid-template-columns: repeat(3, 1fr) !important; gap: 30px !important; }
  .grid-3 { grid-template-columns: repeat(3, 1fr) !important; }
  .grid-4, .grid-5 { grid-template-columns: repeat(3, 1fr) !important; }
  .card-image { height: 200px !important; }
  .card-image img { height: 200px !important; }
  .scroll-item { min-width: 340px !important; }
  .city-banners, .related-section, .promo-section { grid-template-columns: repeat(2, 1fr) !important; gap: 18px !important; }
  .nav-links { gap: 22px !important; }
  .nav-links a { font-size: 14px !important; }
  .city-cta { padding: 36px 28px !important; }
  .city-cta h2 { font-size: 26px !important; }
  .city-cta a { padding: 16px 32px !important; font-size: 16px !important; }
  .city-cta .btn-primary { width: auto !important; }
  .city-cta .btn-outline { width: auto !important; display: inline-block !important; margin-left: 1rem !important; margin-top: 0 !important; }
  .city-overview { padding: 32px !important; }
  .city-overview h3 { font-size: 20px !important; }
  .city-info-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 18px !important; }
  .city-info-card { padding: 20px !important; }
  .city-extras { padding: 32px !important; }
  .extras-card { padding: 20px !important; }
  .route-card { padding: 20px !important; }
  .itinerary-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .itinerary-card { padding: 22px !important; }
  .guide-card { padding: 22px !important; }
  .guide-card img { height: 240px !important; }
  .experience-card { padding: 22px !important; }
  .experience-card img { height: 240px !important; }
  .blog-card { padding: 22px !important; }
  .blog-card img { height: 220px !important; }
  .device-steps { flex-direction: row !important; gap: 24px !important; }
  .device-step { width: auto !important; flex: 1 !important; }
  .related-links { padding: 28px !important; }
  .related-section { padding: 28px !important; }
  .promo-section { padding: 28px !important; }
  .city-banner { padding: 32px !important; }
  .city-banner h3 { font-size: 19px !important; }
  .city-banner p { font-size: 14px !important; }
  .city-banner a { padding: 12px 24px !important; font-size: 14px !important; }
  .city-banners > div { padding: 32px !important; border-radius: 16px !important; }
  .city-banners h4 { font-size: 18px !important; }
  .city-banners p { font-size: 14px !important; }
  .city-banners a { padding: 12px 22px !important; font-size: 14px !important; }
}

/* Mobile Navigation Toggle */
.mobile-nav-toggle {
  display: none;
  cursor: pointer;
  font-size: 24px;
  color: var(--text-primary);
  padding: 8px;
  border-radius: 8px;
  background: transparent;
  border: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.mobile-nav-toggle:hover {
  background: var(--bg-secondary);
}

@media (max-width: 768px) {
  .mobile-nav-toggle { display: flex !important; }
  .nav-links {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    flex-direction: column;
    gap: 0;
    z-index: 99;
    display: none !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    max-height: calc(100vh - 56px);
    overflow-y: auto;
  }
  .nav-links.active { display: flex !important; }
  .nav-links a {
    display: block;
    padding: 12px 0;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
    transition: color 0.2s;
  }
  .nav-links a:last-child { border-bottom: none; }
  .nav-links a:hover { color: var(--accent); }
  .nav-links .btn-primary {
    margin-top: 8px;
    width: 100%;
    text-align: center;
  }
}

/* Print styles */
@media print {
  .nav-container, .whatsapp-float, .whatsapp-float-v2, .back-to-top, .mobile-nav-toggle, .popup, .modal, .toast, .btn-whatsapp, .qr-display, .exchange-rate, .floating-card, .scroll-container, .sticky-nav, .sticky-header {
    display: none !important;
  }
  .hero, .section { padding: 20px 0 !important; }
  body { background: #fff !important; color: #000 !important; }
  .pricing-card, .feature-card, .card { border: 1px solid #ddd !important; box-shadow: none !important; }
  a { text-decoration: none !important; color: #000 !important; }
  .btn-primary, .btn-secondary { background: #eee !important; color: #000 !important; border: 1px solid #ccc !important; }
}