/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

:root {
    /* Colors */
    --primary-color: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #6366F1;
    --secondary-color: #10B981;
    --accent-color: #F59E0B;
    
    --text-dark: #1F2937;
    --text-gray: #6B7280;
    --text-light: #9CA3AF;
    
    --bg-white: #FFFFFF;
    --bg-gray: #F9FAFB;
    --bg-dark: #111827;
    
    --border-gray: #E5E7EB;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px;
    
    /* Typography */
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

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

a:hover {
    color: var(--primary-dark);
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */

.header {
    position: sticky;
    top: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    text-decoration: none;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dark);
}

.logo-icon {
    font-size: 32px;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    color: var(--text-gray);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    background: rgba(79, 70, 229, 0.1);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: var(--transition);
}

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

.hero {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)" /></svg>');
    opacity: 0.3;
}

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

.hero-content {
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    color: #FCD34D;
    text-shadow: 0 2px 10px rgba(252, 211, 77, 0.3);
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    opacity: 0.95;
    margin-bottom: 30px;
}

.hero-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
}

.benefit {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.benefit-icon {
    font-size: 24px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--bg-white);
    color: var(--primary-color);
    font-size: 18px;
    font-weight: 600;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    color: var(--primary-dark);
}

.cta-button-large {
    padding: 20px 40px;
    font-size: 20px;
}

.cta-icon {
    font-size: 24px;
}

.hero-note {
    margin-top: 20px;
    font-size: 14px;
    opacity: 0.9;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow-xl);
    max-width: 400px;
    width: 100%;
    animation: floatAnimation 3s ease-in-out infinite;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.card-icon {
    font-size: 32px;
}

.card-title {
    font-size: 20px;
    font-weight: 600;
}

.card-body {
    color: var(--text-gray);
}

.key-placeholder {
    background: var(--bg-gray);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
}

.key-line {
    height: 12px;
    background: linear-gradient(90deg, #E5E7EB 0%, #D1D5DB 100%);
    border-radius: 6px;
    margin-bottom: 10px;
    animation: shimmer 2s infinite;
}

.key-line.short {
    width: 60%;
}

.card-text {
    text-align: center;
    font-weight: 500;
    color: var(--secondary-color);
}

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

.features {
    padding: var(--section-padding) 0;
    background: var(--bg-white);
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-white);
    border: 2px solid var(--border-gray);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

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

.how-it-works {
    padding: var(--section-padding) 0;
    background: var(--bg-gray);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 30px;
    background: var(--bg-white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.step:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(10px);
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    font-size: 28px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
}

.step-content h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.step-content p {
    color: var(--text-gray);
    margin-bottom: 15px;
    line-height: 1.7;
}

.step-link {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition);
}

.step-link:hover {
    transform: translateX(5px);
}

.step-button {
    display: inline-block;
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
    margin-top: 10px;
}

.step-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.step-button.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-text {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
}

.cta-button-white {
    background: var(--bg-white);
    color: var(--primary-color);
}

.cta-button-white:hover {
    background: var(--bg-gray);
}

.cta-button-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.cta-button-outline:hover {
    background: white;
    color: var(--primary-color);
}

.cta-note {
    margin-top: 20px;
    font-size: 14px;
    opacity: 0.9;
}

.cta-buttons-group {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   KEYWORDS SECTION (SEO)
   ======================================== */

.keywords-section {
    padding: var(--section-padding) 0;
    background: var(--bg-white);
}

.keywords-content {
    max-width: 900px;
    margin: 0 auto;
}

.keywords-content h3 {
    font-size: 28px;
    margin-top: 40px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.keywords-content p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.keywords-list {
    list-style: none;
    padding-left: 0;
}

.keywords-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-gray);
    color: var(--text-gray);
}

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

.footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: white;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 15px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

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

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

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

.footer-social a {
    color: white;
    font-size: 14px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: var(--transition);
}

.footer-social a:hover {
    background: rgba(255, 255, 255, 0.2);
}

.footer-cta {
    display: inline-block;
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

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

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    margin: 5px 0;
}

.footer-disclaimer {
    font-size: 12px;
}

/* ========================================
   PAGE HERO (SUBPAGES)
   ======================================== */

.page-hero {
    padding: 80px 0 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.page-hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-hero p {
    font-size: 20px;
    opacity: 0.95;
}

/* ========================================
   DOWNLOAD PAGE
   ======================================== */

.download-section {
    padding: var(--section-padding) 0;
    background: var(--bg-gray);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.download-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.download-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.download-card h2 {
    font-size: 28px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.download-desc {
    color: var(--text-gray);
    margin-bottom: 20px;
}

.download-features {
    list-style: none;
    text-align: left;
    margin: 20px 0;
}

.download-features li {
    padding: 8px 0;
    color: var(--text-gray);
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 25px 0;
}

.download-btn {
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
}

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

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

.download-btn.secondary {
    background: var(--bg-gray);
    color: var(--primary-color);
    border: 2px solid var(--border-gray);
}

.download-btn.secondary:hover {
    border-color: var(--primary-color);
}

.download-note {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 15px;
}

/* Installation Guide */
.installation-guide {
    padding: var(--section-padding) 0;
    background: var(--bg-white);
}

.guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.guide-step {
    text-align: center;
    position: relative;
}

.guide-step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 20px;
}

.guide-step h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.guide-step p {
    color: var(--text-gray);
    margin-bottom: 15px;
}

.guide-cta {
    display: inline-block;
    padding: 10px 20px;
    background: var(--secondary-color);
    color: white;
    border-radius: 8px;
    font-weight: 600;
    margin-top: 10px;
}

/* Requirements */
.requirements {
    padding: var(--section-padding) 0;
    background: var(--bg-gray);
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.requirement-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.requirement-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.requirement-card ul {
    list-style: none;
}

.requirement-card li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-gray);
    color: var(--text-gray);
}

.requirement-card li:last-child {
    border-bottom: none;
}

/* ========================================
   INSTRUCTION PAGE
   ======================================== */

.platform-selector {
    padding: 40px 0;
    background: var(--bg-white);
    border-bottom: 2px solid var(--border-gray);
}

.platform-tabs {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.platform-tab {
    padding: 14px 28px;
    background: var(--bg-gray);
    border: 2px solid transparent;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-gray);
}

.platform-tab:hover,
.platform-tab.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-dark);
}

.instructions {
    padding: var(--section-padding) 0;
    background: var(--bg-gray);
}

.instruction-content {
    display: none;
    max-width: 900px;
    margin: 0 auto;
}

.instruction-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.instruction-content h2 {
    font-size: 36px;
    margin-bottom: 40px;
    color: var(--text-dark);
    text-align: center;
}

.instruction-step {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-md);
}

.step-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.step-badge {
    background: var(--primary-color);
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
}

.step-header h3 {
    font-size: 24px;
    color: var(--text-dark);
}

.step-body p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 15px;
}

.step-body ol,
.step-body ul {
    margin-left: 25px;
    color: var(--text-gray);
    line-height: 1.8;
}

.step-body li {
    margin-bottom: 12px;
}

.step-note {
    background: rgba(79, 70, 229, 0.1);
    padding: 12px 16px;
    border-radius: 8px;
    color: var(--text-gray);
    font-size: 14px;
    margin-top: 15px;
}

.step-success {
    background: rgba(16, 185, 129, 0.1);
    padding: 16px 20px;
    border-radius: 8px;
    color: var(--secondary-color);
    font-weight: 600;
    margin-top: 20px;
}

.instruction-tip {
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
    border-radius: 16px;
    padding: 30px;
    margin-top: 40px;
}

.instruction-tip h4 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.instruction-tip ul {
    list-style: none;
}

.instruction-tip li {
    padding: 10px 0;
    color: var(--text-dark);
}

/* Quick Start */
.quick-start {
    padding: 60px 0;
    background: var(--bg-white);
}

.quick-start-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.quick-start-item {
    text-align: center;
    max-width: 250px;
}

.quick-start-number {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-weight: 700;
}

.quick-start-arrow {
    font-size: 32px;
    color: var(--primary-color);
}

/* Video Guide */
.video-guide {
    padding: var(--section-padding) 0;
    background: var(--bg-gray);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.video-card {
    background: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.video-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 20px;
    text-align: center;
    color: white;
}

.video-icon {
    font-size: 64px;
    margin-bottom: 15px;
}

.video-card h3 {
    padding: 20px 20px 10px;
    font-size: 22px;
    color: var(--text-dark);
}

.video-card p {
    padding: 0 20px 20px;
    color: var(--text-gray);
}

/* ========================================
   FAQ PAGE
   ======================================== */

.faq-section {
    padding: var(--section-padding) 0;
    background: var(--bg-gray);
}

.faq-categories {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.faq-category {
    padding: 12px 24px;
    background: var(--bg-white);
    border: 2px solid var(--border-gray);
    border-radius: 10px;
    font-weight: 600;
    color: var(--text-dark);
    transition: var(--transition);
}

.faq-category:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.faq-group {
    margin-bottom: 60px;
}

.faq-group-title {
    font-size: 32px;
    margin-bottom: 30px;
    color: var(--text-dark);
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-color);
}

.faq-item {
    background: var(--bg-white);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin: 0;
}

.faq-toggle {
    font-size: 28px;
    color: var(--primary-color);
    font-weight: 300;
    transition: var(--transition);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 2000px;
}

.faq-answer > * {
    padding: 0 30px 25px;
}

.faq-answer p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 15px;
}

.faq-answer ol,
.faq-answer ul {
    margin-left: 25px;
    color: var(--text-gray);
    line-height: 1.8;
}

.faq-answer li {
    margin-bottom: 12px;
}

.faq-tip {
    background: rgba(79, 70, 229, 0.1);
    padding: 15px 20px;
    border-radius: 8px;
    margin-top: 15px;
    color: var(--text-dark);
}

.faq-button {
    display: inline-block;
    padding: 14px 28px;
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
    font-weight: 600;
    margin-top: 15px;
    transition: var(--transition);
}

.faq-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.service-item {
    background: var(--bg-gray);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    color: var(--text-dark);
}

/* ========================================
   CONTACTS PAGE
   ======================================== */

.contact-methods {
    padding: var(--section-padding) 0;
    background: var(--bg-gray);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.contact-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.contact-card.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
}

.contact-card.primary h3,
.contact-card.primary p {
    color: white;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.contact-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.contact-card p {
    color: var(--text-gray);
    margin-bottom: 20px;
}

.contact-button {
    display: inline-block;
    padding: 14px 28px;
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.contact-card.primary .contact-button {
    background: white;
    color: var(--primary-color);
}

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

.contact-button.secondary {
    background: var(--bg-gray);
    color: var(--primary-color);
}

.contact-note {
    font-size: 14px;
    margin-top: 15px;
    opacity: 0.9;
}

/* Contact Form */
.contact-form-section {
    padding: var(--section-padding) 0;
    background: var(--bg-white);
}

.form-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

.form-header {
    text-align: center;
    margin-bottom: 40px;
}

.form-header h2 {
    font-size: 36px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.form-header p {
    color: var(--text-gray);
    font-size: 18px;
}

.contact-form {
    background: var(--bg-gray);
    padding: 40px;
    border-radius: 16px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-gray);
    border-radius: 8px;
    font-size: 16px;
    font-family: var(--font-main);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-button {
    width: 100%;
    padding: 16px 32px;
    background: var(--primary-color);
    color: white;
    font-size: 18px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.submit-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.form-success {
    text-align: center;
    padding: 60px 40px;
    background: var(--bg-gray);
    border-radius: 16px;
}

.success-icon {
    font-size: 80px;
    margin-bottom: 20px;
}

.form-success h3 {
    font-size: 28px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.form-success p {
    color: var(--text-gray);
    font-size: 18px;
}

/* Support Info */
.support-info {
    padding: var(--section-padding) 0;
    background: var(--bg-gray);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.support-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.support-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.support-hours {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 18px;
}

.support-card p {
    color: var(--text-gray);
}

/* Popular Topics */
.popular-topics {
    padding: var(--section-padding) 0;
    background: var(--bg-white);
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.topic-card {
    background: var(--bg-gray);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: var(--transition);
    color: var(--text-dark);
}

.topic-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background: var(--bg-white);
}

.topic-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.topic-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.topic-card p {
    font-size: 14px;
    color: var(--text-gray);
}

/* Quick Actions */
.quick-actions {
    padding: var(--section-padding) 0;
    background: var(--bg-gray);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.action-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.action-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    font-size: 32px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 20px;
}

.action-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.action-card p {
    color: var(--text-gray);
    margin-bottom: 20px;
}

.action-button {
    display: inline-block;
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.action-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Social Proof */
.social-proof {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.proof-content h2 {
    font-size: 36px;
    margin-bottom: 50px;
}

.proof-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 18px;
    opacity: 0.9;
}

.proof-cta {
    display: inline-block;
    padding: 18px 40px;
    background: white;
    color: var(--primary-color);
    font-size: 18px;
    font-weight: 600;
    border-radius: 12px;
    transition: var(--transition);
}

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

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes shimmer {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

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

@media (max-width: 768px) {
    :root {
        --section-padding: 50px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-white);
        flex-direction: column;
        padding: 30px;
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-image {
        order: -1;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .page-hero h1 {
        font-size: 32px;
    }
    
    .page-hero p {
        font-size: 16px;
    }
    
    .features-grid,
    .download-grid,
    .requirements-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .platform-tabs {
        flex-direction: column;
    }
    
    .platform-tab {
        width: 100%;
    }
    
    .quick-start-arrow {
        transform: rotate(90deg);
    }
    
    .faq-question h3 {
        font-size: 16px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .proof-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 36px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 26px;
    }
    
    .cta-button-large {
        padding: 16px 24px;
        font-size: 16px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .feature-card,
    .download-card {
        padding: 30px 20px;
    }
}