/* =========================================
   WIN32 DISK IMAGER - PREMIUM REDESIGN
   ========================================= */

:root {
    --primary: #2563eb;
    --primary-light: #60a5fa;
    --primary-hover: #1d4ed8;
    --secondary: #0f172a;
    --accent: #f59e0b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-main: #334155;
    --text-light: #64748b;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 50px -12px rgba(0,0,0,0.15);
    --border-radius-sm: 8px;
    --border-radius: 16px;
    --container-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

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

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 48px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 5px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    margin: 16px auto 0;
    border-radius: 10px;
}

/* ================= HEADER ================= */
.site-header {
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
}

.logo img {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1));
    transition: transform 0.3s ease;
}

.logo span {
    font-size: 1.8rem;
    font-weight: 900;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
}

.logo:hover img {
    transform: rotate(-5deg) scale(1.1);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

.main-nav a {
    color: var(--text-main);
    font-weight: 600;
    font-size: 1rem;
    position: relative;
    padding: 8px 0;
    opacity: 0.8;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 4px;
    transition: width 0.3s ease;
}

.main-nav a:hover, .main-nav a.active {
    opacity: 1;
    color: var(--primary);
}

.main-nav a:hover::after, .main-nav a.active::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    background: rgba(37, 99, 235, 0.1);
    border: none;
    padding: 10px;
    border-radius: 12px;
    color: var(--primary);
    cursor: pointer;
    z-index: 1001;
}

/* ================= HERO ================= */
.hero {
    background: 
        radial-gradient(circle at 100% 0%, rgba(37, 99, 235, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 0% 100%, rgba(96, 165, 250, 0.05) 0%, transparent 40%),
        #ffffff;
    padding: 120px 0 80px;
    margin-bottom: 60px;
    overflow: hidden;
    position: relative;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
    align-items: center;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1;
    color: var(--secondary);
    margin-bottom: 28px;
    font-weight: 900;
    letter-spacing: -0.05em;
}

.hero-content p {
    font-size: 1.35rem;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 600px;
    line-height: 1.5;
}

.hero-cta {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 18px 40px;
    border-radius: 20px;
    font-weight: 800;
    font-size: 1.15rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: white;
    box-shadow: 0 20px 40px -10px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 25px 50px -12px rgba(37, 99, 235, 0.5);
    color: white;
}

.hero-image img {
    border-radius: 30px;
    box-shadow: 0 50px 100px -20px rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.8);
    transform: perspective(1500px) rotateY(-15deg) rotateX(10deg);
}

/* ================= FEATURES ================= */
.features {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 48px;
    border-radius: 32px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.05);
    transition: all 0.4s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-card:hover {
    background: #ffffff;
    transform: translateY(-12px);
    box-shadow: 0 30px 60px -15px rgba(0,0,0,0.1);
    border-color: var(--primary-light);
}

.feature-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(96, 165, 250, 0.1));
    color: var(--primary);
    border-radius: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
}

.feature-icon svg {
    width: 44px;
    height: 44px;
}

/* ================= DOWNLOAD PAGE ================= */
.download-intro {
    font-size: 1.25rem;
    color: var(--text-main);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

.download-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border-radius: 40px;
    padding: 60px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow-lg);
    margin-bottom: 60px;
}

.download-visual {
    perspective: 1000px;
    margin-bottom: 40px;
}

.premium-img {
    max-width: 500px;
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.12);
    transform: rotateX(5deg) rotateY(-5deg);
    transition: transform 0.5s ease;
}

.premium-img:hover {
    transform: rotateX(0deg) rotateY(0deg) scale(1.02);
}

.download-card h3 {
    font-size: 2rem;
    margin-bottom: 32px;
    color: var(--secondary);
}

.download-info {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.download-info span {
    background: white;
    padding: 12px 24px;
    border-radius: 100px;
    font-size: 0.95rem;
    color: var(--text-light);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.download-info strong {
    color: var(--primary);
    margin-right: 6px;
}

.btn-download {
    padding: 22px 60px;
    font-size: 1.3rem;
    border-radius: 24px;
}

.warning-note {
    background: rgba(245, 158, 11, 0.05);
    border-left: 5px solid var(--accent);
    padding: 24px;
    border-radius: 16px;
    font-size: 1rem;
    color: #92400e;
    margin-top: 48px;
}

.how-to-install {
    margin-top: 80px;
}

.how-to-install h2 {
    margin-bottom: 40px;
    font-size: 2.2rem;
    text-align: center;
}

.how-to-install ol {
    list-style: none;
    display: grid;
    gap: 24px;
}

.how-to-install li {
    background: white;
    padding: 28px 32px;
    border-radius: 24px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 1.15rem;
    counter-increment: step-counter;
}

.step-content {
    flex: 1;
    text-align: left;
    line-height: 1.6;
}

.how-to-install li::before {
    content: counter(step-counter);
    width: 44px;
    height: 44px;
    background: var(--primary);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    flex-shrink: 0;
}

/* ================= REQUIREMENTS ================= */
.requirements {
    margin-bottom: 100px;
}

.modern-table {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-collapse: collapse;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

.modern-table td {
    padding: 24px 32px;
    border-bottom: 1px solid var(--border);
}

.modern-table tr:last-child td {
    border-bottom: none;
}

.modern-table td:first-child {
    background-color: #f8fafc;
    width: 30%;
    color: var(--secondary);
    font-weight: 700;
}

/* ================= INTRO ================= */
.intro {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(180deg, transparent, rgba(37, 99, 235, 0.03));
}

.intro p {
    max-width: 850px;
    margin: 0 auto 24px;
    font-size: 1.2rem;
    color: var(--text-main);
    line-height: 1.8;
}

/* ================= COMPARISON TABLE ================= */
.comparison-section {
    padding: 80px 48px;
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(20px);
    margin: 80px auto;
    border-radius: 60px;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.comparison-container {
    overflow-x: auto;
    border-radius: 32px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.05);
    border: 1px solid var(--border);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.comparison-table th, .comparison-table td {
    padding: 24px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.comparison-table th:first-child, .comparison-table td:first-child {
    text-align: left;
    padding-left: 32px;
}

.comparison-table th {
    background-color: #f8fafc;
    color: var(--secondary);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.win32-col {
    background-color: rgba(37, 99, 235, 0.02);
    color: var(--primary);
    font-weight: 700;
}

/* ================= STEPS ================= */
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.step-card {
    display: flex;
    gap: 24px;
    padding: 40px;
    background: white;
    border-radius: 32px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    border-color: var(--primary-light);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.5rem;
    flex-shrink: 0;
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
}

/* ================= FAQ ================= */
.faq {
    padding: 100px 0;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.faq-question {
    width: 100%;
    padding: 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary);
}

.faq-icon {
    width: 28px;
    height: 28px;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--primary);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer p {
    padding: 0 32px 32px;
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* ================= FOOTER ================= */
.site-footer {
    background-color: var(--secondary);
    color: white;
    padding: 80px 0 40px;
    margin-top: 120px;
    border-radius: 60px 60px 0 0;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 48px;
    text-align: center;
}

.footer-links {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-weight: 600;
    font-size: 1.1rem;
}

.footer-links a:hover {
    color: white;
    transform: translateY(-2px);
}

.copyright {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.95rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    width: 100%;
    padding-top: 40px;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 1024px) {
    .hero-content h1 { font-size: 3.2rem; }
    .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .hero-content p { margin: 0 auto 40px; }
    .hero-cta { justify-content: center; }
    .hero-image img { transform: none; max-width: 80%; margin: 0 auto; }
}

@media (max-width: 768px) {
    .site-header { height: 80px; }
    .header-inner { height: 100%; }
    
    .mobile-toggle { display: block; }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        z-index: 1000;
        display: flex !important;
        align-items: center;
        justify-content: center;
        transition: right 0.5s cubic-bezier(0.77, 0, 0.175, 1);
        box-shadow: -20px 0 50px rgba(0,0,0,0.1);
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .main-nav a {
        font-size: 1.5rem;
        font-weight: 800;
    }

    .hero-content h1 { font-size: 2.5rem; }
    .logo span { font-size: 1.5rem; }
    .section-title { font-size: 2rem; }
    
    .feature-card, .step-card { padding: 32px; }
    .comparison-section { padding: 40px 20px; border-radius: 40px; }
    .footer-links { gap: 20px; }
}

@media (max-width: 480px) {
    .hero-content h1 { font-size: 2.2rem; }
    .hero-cta { flex-direction: column; width: 100%; }
    .btn { width: 100%; }
}