/* ===================================
   KangLv ZhiJia - Premium BMW Style
   Global Styles & Variables
   =================================== */

:root {
    /* Primary Colors */
    --primary-blue: #0066B3;
    --primary-green: #00A86B;
    --accent-light: #3399FF;
    --accent-cyan: #00D4FF;
    
    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-blue) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-light) 0%, var(--primary-green) 100%);
    --gradient-dark: linear-gradient(180deg, #001a33 0%, #003366 100%);
    
    /* Text Colors */
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a68;
    --text-light: #6b6b8d;
    --text-white: #ffffff;
    --text-muted: #9999b3;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fc;
    --bg-tertiary: #f0f2f8;
    --bg-dark: #0a0a14;
    --bg-card: #ffffff;
    
    /* Spacing */
    --section-padding: 120px 0;
    --container-padding: 0 5%;
    --card-padding: 40px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --radius-full: 50%;
    
    /* Shadows */
    --shadow-sm: 0 4px 20px rgba(0, 102, 179, 0.08);
    --shadow-md: 0 8px 40px rgba(0, 102, 179, 0.12);
    --shadow-lg: 0 20px 60px rgba(0, 102, 179, 0.15);
    --shadow-xl: 0 30px 80px rgba(0, 102, 179, 0.2);
    --shadow-glow: 0 0 60px rgba(0, 168, 107, 0.3);
    
    /* Transitions */
    --transition-fast: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Z-index layers */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
    --z-toast: 700;
}

/* ===================================
   CSS Reset & Base Styles
   =================================== */

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

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

ul, ol {
    list-style: none;
}

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ===================================
   Container & Layout
   =================================== */

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.section {
    padding: var(--section-padding);
    position: relative;
}

/* ===================================
   Preloader
   =================================== */

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
}

.preloader-logo {
    margin-bottom: 20px;
}

.preloader-circle {
    animation: preloaderRotate 2s linear infinite;
}

@keyframes preloaderRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.preloader-text {
    color: var(--text-white);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 4px;
    margin-bottom: 30px;
}

.preloader-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.preloader-progress {
    height: 100%;
    background: var(--gradient-primary);
    animation: preloaderProgress 2s ease-in-out forwards;
}

@keyframes preloaderProgress {
    0% { width: 0%; }
    100% { width: 100%; }
}

/* ===================================
   Header & Navigation
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed);
    padding: 20px 0;
    transition: var(--transition-smooth);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: 15px 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: var(--z-fixed);
}

.logo-svg {
    transition: var(--transition-fast);
}

.nav-logo:hover .logo-svg {
    transform: scale(1.05);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-list {
    display: flex;
    gap: 40px;
}

.nav-link {
    position: relative;
    padding: 8px 0;
    font-weight: 500;
    color: var(--text-primary);
}

.nav-link-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
}

.nav-link:hover .nav-link-line,
.nav-link.active .nav-link-line {
    width: 100%;
}

.nav-link.active {
    color: var(--primary-blue);
}

.nav-social {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: var(--text-white);
    transform: translateY(-3px);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-cta {
    padding: 12px 28px;
    background: var(--gradient-primary);
    color: var(--text-white);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
}

.hamburger-line {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

.nav-close {
    display: none;
    position: absolute;
    top: 20px;
    right: 20px;
    color: var(--text-primary);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--bg-dark);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(0, 102, 179, 0.4) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(0, 168, 107, 0.3) 0%, transparent 40%),
                var(--bg-dark);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    animation: particleFloat 15s linear infinite;
}

@keyframes particleFloat {
    0%, 100% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh) scale(1); opacity: 0; }
}

.hero-lines {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-line {
    position: absolute;
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(0, 168, 107, 0.2), transparent);
}

.line-1 { left: 20%; }
.line-2 { left: 50%; }
.line-3 { left: 80%; }

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding-top: 100px;
}

.hero-text {
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    margin-bottom: 30px;
    color: var(--text-white);
    font-size: 0.9rem;
    font-weight: 500;
}

.badge-icon {
    color: #FFD700;
}

.hero-title {
    color: var(--text-white);
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.title-line.accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-visual {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
}

.hero-image-wrapper {
    position: relative;
    height: 600px;
}

.hero-image-shape {
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    filter: blur(80px);
    opacity: 0.5;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero-image-container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.hero-floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 20px 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-white);
    animation: floatCard 6s ease-in-out infinite;
}

.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 40%;
    right: 10%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    color: var(--text-white);
    opacity: 0.7;
}

.scroll-text {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 2px;
    height: 60px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 1px;
    position: relative;
    overflow: hidden;
}

.scroll-dot {
    width: 100%;
    height: 30px;
    background: var(--gradient-primary);
    border-radius: 1px;
    animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
    0% { transform: translateY(-30px); }
    100% { transform: translateY(60px); }
}

.hero-slider-controls {
    position: absolute;
    bottom: 40px;
    right: 40px;
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 2;
}

.slider-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    transition: var(--transition-fast);
}

.slider-btn:hover {
    background: var(--gradient-primary);
    border-color: transparent;
}

.slider-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition-fast);
}

.dot.active {
    background: var(--gradient-primary);
    width: 30px;
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    border-color: transparent;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--text-white);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-white);
}

.btn-outline-white {
    background: transparent;
    border-color: var(--text-white);
    color: var(--text-white);
}

.btn-outline-white:hover {
    background: var(--text-white);
    color: var(--primary-blue);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn-pulse {
    animation: btnPulse 2s ease-in-out infinite;
}

@keyframes btnPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0, 168, 107, 0.4); }
    50% { box-shadow: 0 0 0 15px rgba(0, 168, 107, 0); }
}

.btn-icon {
    display: flex;
    transition: var(--transition-fast);
}

.btn:hover .btn-icon {
    transform: translateX(5px);
}

/* ===================================
   Stats Section
   =================================== */

.stats-section {
    padding: 80px 0;
    background: var(--bg-primary);
    position: relative;
    z-index: 2;
    margin-top: -60px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-card {
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card:hover {
    transform: translateY(-10px);
}

.stat-icon {
    margin-bottom: 20px;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.stat-description {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ===================================
   Section Headers
   =================================== */

.section-header {
    text-align: left;
    margin-bottom: 60px;
}

.section-header.text-center {
    text-align: center;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(0, 102, 179, 0.1);
    color: var(--primary-blue);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.section-title {
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
}

.section-header.text-center .section-subtitle {
    margin: 0 auto;
}

/* ===================================
   About Section
   =================================== */

.about-section {
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text h3 {
    margin-bottom: 20px;
    font-size: 2rem;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-features {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.feature-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: var(--text-white);
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.feature-content p {
    margin: 0;
    font-size: 0.95rem;
}

.about-visual {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    height: 500px;
}

.about-image-bg {
    position: absolute;
    width: 350px;
    height: 350px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    filter: blur(60px);
    opacity: 0.4;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.about-image-main {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.about-svg {
    width: 300px;
    height: 300px;
    animation: rotateSvg 20s linear infinite;
}

@keyframes rotateSvg {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.about-experience-badge {
    position: absolute;
    bottom: 0;
    right: 0;
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 25px 35px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.badge-number {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}

.badge-text {
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.9;
}

/* ===================================
   Services Section
   =================================== */

.services-section {
    position: relative;
    background: var(--bg-dark);
}

.services-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.services-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(0, 102, 179, 0.3) 0%, transparent 50%);
}

.services-section .section-tag {
    background: rgba(0, 168, 107, 0.2);
    color: var(--primary-green);
}

.services-section .section-title {
    color: var(--text-white);
}

.services-section .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card-large {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.service-card-large:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 168, 107, 0.5);
    box-shadow: var(--shadow-glow);
}

.service-card-inner {
    position: relative;
    padding: 40px;
}

.service-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.service-card-large:hover .service-card-bg {
    transform: scaleX(1);
}

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

.service-icon-wrapper {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    margin-bottom: 25px;
    color: var(--text-white);
}

.service-card-large h3 {
    color: var(--text-white);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-card-large p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 25px;
    line-height: 1.7;
}

.service-features {
    margin-bottom: 25px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.service-features svg {
    color: var(--primary-green);
    flex-shrink: 0;
}

.btn-service {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition-fast);
}

.btn-service:hover {
    background: var(--gradient-primary);
    border-color: transparent;
}

.app-store-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.store-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-white);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.store-badge:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ===================================
   Apps Showcase Section
   =================================== */

.apps-showcase {
    background: var(--bg-secondary);
}

.apps-showcase-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.apps-info-card {
    background: var(--bg-card);
    padding: 50px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.info-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(0, 168, 107, 0.1);
    color: var(--primary-green);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    margin-bottom: 25px;
}

.apps-info-card h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.apps-info-card > p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.app-features-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 35px;
}

.app-feature-item {
    display: flex;
    gap: 20px;
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.app-feature-item:hover {
    transform: translateX(10px);
}

.feature-icon-small {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: var(--text-white);
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.feature-text p {
    margin: 0;
    font-size: 0.9rem;
}

.apps-store-buttons {
    display: flex;
    gap: 15px;
}

.store-button {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 25px;
    background: var(--bg-dark);
    border-radius: var(--radius-md);
    color: var(--text-white);
    transition: var(--transition-fast);
}

.store-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.store-button.google {
    background: #1a1a1a;
}

.store-button.apple {
    background: #1a1a1a;
}

.store-text {
    display: flex;
    flex-direction: column;
}

.get-it {
    font-size: 0.7rem;
    opacity: 0.8;
}

.store-name {
    font-size: 1rem;
    font-weight: 600;
}

.apps-showcase-visual {
    position: relative;
    height: 600px;
}

.phone-mockup-container {
    position: relative;
    width: 300px;
    height: 600px;
    margin: 0 auto;
}

.phone-glow {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(60px);
    opacity: 0.6;
}

.phone-glow-1 {
    width: 200px;
    height: 200px;
    background: var(--primary-blue);
    top: 20%;
    left: -50px;
}

.phone-glow-2 {
    width: 150px;
    height: 150px;
    background: var(--primary-green);
    bottom: 20%;
    right: -30px;
}

.phone-frame {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border-radius: 45px;
    padding: 15px;
    box-shadow: var(--shadow-xl);
    z-index: 1;
}

.phone-notch {
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 30px;
    background: #1a1a1a;
    border-radius: 0 0 20px 20px;
    z-index: 2;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 35px;
    overflow: hidden;
}

.app-screen-content {
    padding: 60px 20px 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.screen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.screen-logo {
    width: 80px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 4px;
}

.screen-menu {
    width: 30px;
    height: 30px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
}

.screen-hero {
    margin-bottom: 30px;
}

.screen-title {
    width: 70%;
    height: 20px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 10px;
    margin-bottom: 15px;
}

.screen-subtitle {
    width: 50%;
    height: 12px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 6px;
}

.screen-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    flex: 1;
}

.screen-card {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
}

.screen-bottom {
    margin-top: auto;
}

.screen-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.nav-dot {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
}

.nav-dot.active {
    width: 24px;
    background: rgba(255, 255, 255, 0.8);
}

.phone-button {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 6px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.phone-shadow {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 250px;
    height: 30px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-full);
    filter: blur(15px);
}

.floating-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.float-element {
    position: absolute;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    animation: floatElement 4s ease-in-out infinite;
}

.el-1 {
    top: 10%;
    left: 0;
    animation-delay: 0s;
}

.el-2 {
    top: 50%;
    right: 0;
    animation-delay: 2s;
}

.el-3 {
    bottom: 10%;
    left: 10%;
    animation-delay: 4s;
}

@keyframes floatElement {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(10deg); }
}

/* ===================================
   Why Choose Us Section
   =================================== */

.why-us-section {
    background: var(--bg-primary);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.advantage-card-large {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 40px 30px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.advantage-card-large::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-smooth);
}

.advantage-card-large:hover::before {
    opacity: 0.05;
}

.advantage-card-large:hover {
    transform: translateY(-15px);
}

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

.advantage-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 4rem;
    font-weight: 800;
    color: var(--bg-tertiary);
    line-height: 1;
    opacity: 0.5;
}

.advantage-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    margin-bottom: 25px;
    color: var(--text-white);
}

.advantage-card-large h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.advantage-card-large p {
    margin-bottom: 25px;
    line-height: 1.7;
}

.advantage-stats {
    display: flex;
    gap: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--bg-tertiary);
}

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

.adv-stat-num {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.adv-stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* ===================================
   CTA Section
   =================================== */

.cta-section {
    position: relative;
    padding: 120px 0;
    background: var(--gradient-primary);
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
}

.cta-particles {
    position: absolute;
    inset: 0;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 25px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    margin-bottom: 30px;
    color: var(--text-white);
    font-weight: 500;
}

.cta-content h2 {
    color: var(--text-white);
    font-size: 3rem;
    margin-bottom: 20px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    margin-bottom: 40px;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

.btn-white {
    background: var(--text-white);
    color: var(--primary-blue);
}

.btn-white:hover {
    background: var(--bg-secondary);
}

.cta-trust {
    display: flex;
    justify-content: center;
    gap: 50px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.trust-item svg {
    color: #FFD700;
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--bg-dark);
    color: var(--text-white);
}

.footer-main {
    padding: 80px 0 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 60px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.footer-social-link:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
}

.footer-column h4 {
    color: var(--text-white);
    font-size: 1.2rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-green);
    padding-left: 5px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact svg {
    flex-shrink: 0;
    color: var(--primary-green);
    margin-top: 3px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact a:hover {
    color: var(--primary-green);
}

.footer-website {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-website svg {
    color: var(--primary-green);
}

.footer-website a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-website a:hover {
    color: var(--primary-green);
}

.footer-bottom {
    padding: 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
}

.footer-legal a:hover {
    color: var(--primary-green);
}

.footer-legal .divider {
    color: rgba(255, 255, 255, 0.3);
}

/* ===================================
   Back to Top Button
   =================================== */

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--text-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    z-index: var(--z-sticky);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* ===================================
   Scrollbar
   =================================== */

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-blue);
}