/* ===== CSS Variables ===== */
:root {
    --primary: #D9411E;
    --primary-light: #FF6B35;
    --primary-dark: #B33418;
    --secondary: #1A365D;
    --secondary-light: #2C5282;
    --accent: #F59E0B;
    
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    --text-white: #FFFFFF;
    
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-alt: #F3F4F6;
    --bg-dark: #111827;
    
    --border: #E5E7EB;
    --border-light: #F3F4F6;
    
    --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);
    --shadow-primary: 0 10px 25px -5px rgba(217, 65, 30, 0.3);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --container-max: 1200px;
    --section-padding: 96px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

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

/* ===== Section ===== */
.section {
    padding: var(--section-padding) 0;
}

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

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(217, 65, 30, 0.1);
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.section-tag.light {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

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

.section-desc {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.section-desc.light {
    color: rgba(255, 255, 255, 0.85);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: white;
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px -5px rgba(217, 65, 30, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-block {
    width: 100%;
}

.btn-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 10px 25px -5px rgba(217, 65, 30, 0.3);
    }
    50% {
        box-shadow: 0 10px 35px -5px rgba(217, 65, 30, 0.5);
    }
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    border-bottom-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: block;
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(217, 65, 30, 0.08);
}

.nav-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: white;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

.nav-download-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-primary);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    padding: 140px 0 100px;
    overflow: hidden;
}

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

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, #FFF5F2 0%, #FFFFFF 70%);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(217, 65, 30, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(26, 54, 93, 0.06) 0%, transparent 40%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #10B981;
    border-radius: 50%;
    animation: dotPulse 2s infinite;
}

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

.hero-title {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 24px;
}

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

.hero-subtitle {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 36px;
}

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

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

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

.stat-number {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

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

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-icon-wrap {
    position: relative;
    width: 360px;
    height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-glow {
    position: absolute;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(217, 65, 30, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-icon {
    position: relative;
    width: 200px;
    height: 200px;
    filter: drop-shadow(0 20px 40px rgba(217, 65, 30, 0.3));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.hero-icon svg {
    width: 100%;
    height: 100%;
}

.floating-file {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    background: white;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
}

.floating-file svg {
    width: 40px;
    height: 40px;
}

.floating-file span {
    font-size: 10px;
}

.file-1 {
    top: 40px;
    left: 10px;
    animation: floatFile1 4s ease-in-out infinite;
}

.file-2 {
    top: 80px;
    right: 0;
    animation: floatFile2 5s ease-in-out infinite;
}

.file-3 {
    bottom: 50px;
    left: 40px;
    animation: floatFile3 4.5s ease-in-out infinite;
}

@keyframes floatFile1 {
    0%, 100% { transform: translateY(0) rotate(-5deg); }
    50% { transform: translateY(-15px) rotate(0deg); }
}

@keyframes floatFile2 {
    0%, 100% { transform: translateY(0) rotate(5deg); }
    50% { transform: translateY(-20px) rotate(0deg); }
}

@keyframes floatFile3 {
    0%, 100% { transform: translateY(0) rotate(-3deg); }
    50% { transform: translateY(-10px) rotate(3deg); }
}

/* ===== About Section ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
}

.about-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.about-features {
    margin-top: 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--text-primary);
}

.feature-check {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.15);
    color: #10B981;
    border-radius: 50%;
    flex-shrink: 0;
}

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

.about-card {
    width: 100%;
    max-width: 420px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border);
}

.about-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

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

.card-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #E5E7EB;
}

.card-dots span:nth-child(1) { background: #EF4444; }
.card-dots span:nth-child(2) { background: #F59E0B; }
.card-dots span:nth-child(3) { background: #10B981; }

.card-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.about-card-body {
    padding: 28px;
}

.compress-item {
    margin-bottom: 24px;
}

.compress-item:last-of-type {
    margin-bottom: 8px;
}

.compress-label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.format-badge {
    padding: 2px 10px;
    font-size: 12px;
    font-weight: 700;
    border-radius: 4px;
    color: white;
}

.format-7z { background: var(--primary); }
.format-zip { background: var(--secondary); }
.format-rar { background: #10B981; }

.compress-bar {
    height: 10px;
    background: var(--bg-alt);
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 4px;
}

.compress-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 1.5s ease;
}

.fill-7z { background: linear-gradient(90deg, var(--primary-light), var(--primary)); }
.fill-zip { background: linear-gradient(90deg, var(--secondary-light), var(--secondary)); }
.fill-rar { background: linear-gradient(90deg, #34D399, #10B981); }

.compress-size {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.compress-note {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-light);
    text-align: center;
}

/* ===== Features Section ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    background: white;
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    transition: transform var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.icon-orange {
    background: rgba(217, 65, 30, 0.12);
    color: var(--primary);
}

.icon-blue {
    background: rgba(26, 54, 93, 0.12);
    color: var(--secondary);
}

.icon-green {
    background: rgba(16, 185, 129, 0.12);
    color: #10B981;
}

.icon-purple {
    background: rgba(139, 92, 246, 0.12);
    color: #8B5CF6;
}

.icon-pink {
    background: rgba(236, 72, 153, 0.12);
    color: #EC4899;
}

.icon-teal {
    background: rgba(20, 184, 166, 0.12);
    color: #14B8A6;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

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

/* ===== Download Section ===== */
.download {
    padding: 100px 0;
}

.download-card {
    position: relative;
    background: linear-gradient(135deg, var(--secondary) 0%, #2C5282 100%);
    border-radius: var(--radius-xl);
    padding: 80px 48px;
    overflow: hidden;
}

.download-bg {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(217, 65, 30, 0.15) 0%, transparent 40%);
}

.download-content {
    position: relative;
    text-align: center;
}

.download-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 640px;
    margin: 48px auto 32px;
}

.download-option {
    background: white;
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: left;
    transition: all var(--transition-normal);
}

.download-option.primary-option {
    border: 2px solid var(--primary);
    box-shadow: 0 10px 40px rgba(217, 65, 30, 0.2);
}

.download-option:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.option-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.option-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: white;
    border-radius: var(--radius-md);
}

.option-icon.secondary {
    background: var(--bg-alt);
    color: var(--text-secondary);
}

.option-header h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 2px;
}

.option-sub {
    font-size: 14px;
    color: var(--text-secondary);
}

.option-info {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    font-size: 13px;
    color: var(--text-secondary);
}

.system-requirements {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
}

.system-requirements p {
    margin-bottom: 8px;
}

.license-note {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.7);
}

/* ===== Reviews Section ===== */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.review-card {
    background: white;
    padding: 28px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.review-stars {
    display: flex;
    gap: 2px;
    margin-bottom: 16px;
    color: #F59E0B;
}

.review-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
}

.author-name {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 2px;
}

.author-role {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 64px 0 32px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand p {
    margin-top: 16px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-light);
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: white;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-col h4 {
    color: white;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    color: var(--text-light);
    font-size: 14px;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 14px;
}

.footer-bottom p {
    margin-bottom: 8px;
}

.footer-license {
    color: var(--text-light);
    opacity: 0.7;
}

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

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

.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }

/* ===== Responsive Design ===== */

/* Desktop Large */
@media (max-width: 1200px) {
    :root {
        --container-max: 1000px;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --section-padding: 72px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 48px;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-icon-wrap {
        width: 280px;
        height: 280px;
    }
    
    .hero-icon {
        width: 160px;
        height: 160px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-content {
        text-align: center;
    }
    
    .about-features {
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --section-padding: 56px;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: white;
        flex-direction: column;
        padding: 88px 24px 32px;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
        transition: right var(--transition-normal);
        gap: 4px;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        padding: 12px 16px;
        font-size: 16px;
    }
    
    .nav-download-btn {
        margin-top: 16px;
        width: 100%;
        justify-content: center;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        padding: 110px 0 70px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-desc {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .stat-divider {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .download-card {
        padding: 48px 24px;
        border-radius: var(--radius-lg);
    }
    
    .download-options {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    
    .about-card {
        max-width: 100%;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 30px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .feature-card {
        padding: 28px 22px;
    }
    
    .review-card {
        padding: 24px 20px;
    }
}