:root {
    --bg-color: #ffffff;
    --bg-light: #fafafa;
    --bg-dark: #0a0a0a;
    --text-primary: #111111;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --border-color: #eaeaea;
    --border-dark: #333333;
    --accent: #000000;
    --nav-height: 70px;
    --radius-lg: 24px;
    --radius-md: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Inter', sans-serif; background-color: var(--bg-color); color: var(--text-primary);
    line-height: 1.5; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden;
}

/* Utilities */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 140px 0; }
.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--bg-dark); color: white; }
.border-y { border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
.border-b { border-bottom: 1px solid var(--border-color); }
.border-t-dark { border-top: 1px solid var(--border-dark); }
.text-gray { color: var(--text-secondary); }
.text-gray-400 { color: #9ca3af; }
.text-white { color: white; }
.text-dark { color: var(--text-primary); }
.bg-gray { background-color: #e5e7eb; }
.opacity-70 { opacity: 0.7; }
.text-center { text-align: center; }
.flex-center { display: flex; justify-content: center; }
.mt-2 { margin-top: 8px; } .mt-4 { margin-top: 24px; } .mt-8 { margin-top: 48px; } .pt-8 { padding-top: 48px; }
.mb-2 { margin-bottom: 8px; } .mb-4 { margin-bottom: 16px; } .mb-8 { margin-bottom: 32px; }
.p-8 { padding: 32px; }
.rounded-lg { border-radius: 16px; }
.border-smooth { border: 1px solid var(--border-color); }
.text-sm { font-size: 0.875rem; }
.text-xl { font-size: 1.25rem; }
.text-3xl { font-size: 2.25rem; letter-spacing: -0.02em; line-height: 1.2;}
.text-strong { font-weight: 600; color: var(--text-primary); }
.font-bold { font-weight: 700; }
.shadow-xl { box-shadow: 0 20px 40px rgba(0,0,0,0.08); }
.shadow-2xl { box-shadow: 0 30px 60px rgba(0,0,0,0.12); }

/* Navigation */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; height: var(--nav-height);
    background: rgba(255, 255, 255, 0.8); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color); z-index: 100; display: flex; align-items: center;
}
.nav-container {
    width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; justify-content: space-between; align-items: center;
}
.logo { font-weight: 600; font-size: 1.125rem; letter-spacing: -0.02em; }
.logo-link { display: flex; align-items: center; text-decoration: none; }
.logo-img { max-height: 44px; width: auto; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-link {
    text-decoration: none; color: var(--text-secondary); font-size: 0.875rem; font-weight: 500; transition: color 0.2s ease;
}
.nav-link:hover { color: var(--text-primary); }
.mobile-menu-toggle { display: none; background: transparent; border: none; cursor: pointer; color: var(--text-primary); padding: 4px; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; padding: 10px 20px; border-radius: 8px;
    font-size: 0.875rem; font-weight: 500; text-decoration: none; transition: all 0.2s ease; cursor: pointer;
}
.btn-large { padding: 18px 36px; font-size: 1.125rem; border-radius: 12px; }
.btn-primary { background-color: var(--accent); color: white; border: 1px solid var(--accent); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); }
.btn-primary:hover { background-color: #222; border-color: #222; transform: translateY(-1px); box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15); }
.btn-inverted { background-color: white; color: black; border: 1px solid white; }
.btn-inverted:hover { background-color: #f0f0f0; border-color: #f0f0f0; color: black; }
.btn-outline { background-color: transparent; color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-outline:hover { background-color: var(--bg-light); border-color: #ccc; }

/* Hero */
.hero { padding-top: calc(160px + var(--nav-height)); text-align: center; }
.hero-title {
    font-size: 4.5rem; font-weight: 700; letter-spacing: -0.04em; line-height: 1.05; margin-bottom: 24px; max-width: 900px; margin-inline: auto;
}
.hero-subtitle { font-size: 1.25rem; color: var(--text-secondary); max-width: 650px; margin: 0 auto 48px; line-height: 1.6; }
.hero-cta { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.cta-note { font-size: 0.875rem; color: var(--text-tertiary); font-weight: 400; }

/* CSS Mockups Composition */
.hero-visual { margin-top: 100px; }
.mockup-composition {
    position: relative; height: 500px; max-width: 1000px; margin: 0 auto; display: flex; justify-content: center; align-items: flex-end;
}
.mockup-laptop {
    width: 700px; height: 440px; background: white; border: 1px solid var(--border-color);
    border-radius: 12px 12px 0 0; position: relative; z-index: 2; overflow: hidden; display: flex; flex-direction: column;
}
.mockup-tablet {
    width: 280px; height: 380px; background: white; border: 1px solid var(--border-color); border-radius: 16px;
    position: absolute; left: 0; bottom: 0; z-index: 3; overflow: hidden;
}
.mockup-mobile {
    width: 180px; height: 360px; background: white; border: 1px solid var(--border-color); border-radius: 24px;
    position: absolute; right: 40px; bottom: -20px; z-index: 4; overflow: hidden;
}
.mockup-header {
    height: 32px; background: var(--bg-light); border-bottom: 1px solid var(--border-color); display: flex; align-items: center; padding: 0 12px; gap: 6px;
}
.dot { width: 10px; height: 10px; border-radius: 50%; background: #e5e5e5; }
.dot.red { background: #ff5f56; } .dot.yellow { background: #ffbd2e; } .dot.green { background: #27c93f; }
.placeholder-content {
    flex: 1; display: flex; justify-content: center; align-items: center; color: white; font-weight: 600; font-size: 1.25rem; letter-spacing: -0.02em;
}
.bg-gradient-1 { background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%); color: #333; }
.bg-gradient-2 { background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%); color: #333; }
.bg-gradient-3 { background: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%); color: #333; }

/* Sections */
.section-title { font-size: 3rem; font-weight: 700; letter-spacing: -0.04em; line-height: 1.1; margin-bottom: 80px; }

/* Comparison Section */
.comparison-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; max-width: 1200px; margin: 0 auto; align-items: stretch; }
.comparison-col { display: grid; grid-template-rows: auto auto 1fr 1fr 1fr; gap: 0; padding-bottom: 0; }
.comparison-col h2 { margin-bottom: 8px; }
.comparison-col > p { margin-bottom: 24px; }
.comp-item { font-size: 1.25rem; font-weight: 500; display: flex; align-items: center; gap: 16px; line-height: 1.4; padding: 12px 0; border-top: 1px solid rgba(255,255,255,0.07); }
.success-col .comp-item { border-top-color: rgba(0,0,0,0.07); }
.icon-x { color: #ff4d4f; font-weight: bold; font-size: 1.5rem; line-height: 1.2;}
.icon-check { color: #10b981; font-weight: bold; font-size: 1.5rem; line-height: 1.2;}
.icon-check.green { color: #10b981; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-card { padding: 32px 0; }
.stat-number { font-size: 4rem; font-weight: 700; letter-spacing: -0.05em; display: inline-block; line-height: 1; }
.stat-suffix { font-size: 3rem; font-weight: 700; letter-spacing: -0.05em; color: var(--text-primary); }
.stat-label { font-size: 1.125rem; color: var(--text-secondary); margin-top: 12px; font-weight: 500; }

/* Deliverables Clean Grid */
.deliverables-clean-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; max-width: 800px; margin: 0 auto; }
.deliverable-item { display: flex; align-items: center; gap: 24px; padding: 32px; background: white; border: 1px solid var(--border-color); border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.02); }
.deliverable-item h3 { font-size: 1.5rem; font-weight: 500; letter-spacing: -0.02em; }
.deliverable-item .icon-check { font-size: 2rem; }

/* Before & After */
.before-after-grid { display: flex; align-items: center; justify-content: center; gap: 40px; max-width: 1000px; margin: 0 auto; }
.ba-col { flex: 1; display: flex; flex-direction: column; align-items: center; }
.ba-badge { display: inline-block; padding: 6px 16px; border-radius: 100px; font-weight: 600; font-size: 0.875rem; margin-bottom: 24px; letter-spacing: 0.02em;}
.ba-badge.before { background: #fee2e2; color: #b91c1c; }
.ba-badge.after { background: #d1fae5; color: #047857; }
.ba-arrow { font-size: 3rem; color: var(--text-tertiary); margin-top: 40px; }
.minimal-mockup { width: 100%; height: 300px; }
.bg-gradient-premium { background: linear-gradient(135deg, #111 0%, #333 100%); color: white; }

/* Timeline */
.timeline { display: flex; flex-direction: column; gap: 40px; max-width: 800px; margin: 0 auto; }
.timeline-item { display: flex; gap: 40px; align-items: flex-start; }
.step-num { font-size: 4.5rem; font-weight: 200; color: #e5e5e5; line-height: 1; letter-spacing: -0.05em; min-width: 100px; }
.step-content { padding-top: 12px; }
.step-content h3 { font-size: 1.5rem; font-weight: 600; margin-bottom: 4px; letter-spacing: -0.02em;}
.step-time { display: inline-block; font-size: 0.875rem; color: var(--text-primary); font-weight: 600; background: var(--bg-light); border: 1px solid var(--border-color); padding: 2px 10px; border-radius: 100px; margin-bottom: 12px; }
.step-content p { font-size: 1.125rem; color: var(--text-secondary); }

/* Portfolio */
.portfolio-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.portfolio-card { display: flex; flex-direction: column; gap: 32px; }
.portfolio-image-wrapper { background: var(--bg-light); border-radius: var(--radius-lg); aspect-ratio: 4/3; display: flex; justify-content: center; align-items: center; overflow: hidden; perspective: 1000px; }
.portfolio-mockup { width: 80%; height: 60%; background: white; border: 1px solid var(--border-color); border-radius: 8px; box-shadow: 0 20px 40px rgba(0,0,0,0.1); transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1); }
.bg-gradient-4 { background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%); color: #333; }
.bg-gradient-5 { background: linear-gradient(135deg, #e2ebf0 0%, #cfd9df 100%); color: #333; }
.portfolio-info h3 { font-size: 1.5rem; font-weight: 600; margin-bottom: 8px; letter-spacing: -0.02em;}
.portfolio-info p { color: var(--text-secondary); font-size: 1.125rem; }

/* Benefits Grid */
.benefits-grid { display: grid; grid-template-columns: repeat(3, auto); gap: 16px 48px; text-align: left; justify-content: center; margin: 0 auto; }
.benefit-item { font-size: 1.125rem; display: flex; align-items: center; gap: 12px; }

/* About Section */
.about-wrapper {
    display: grid;
    grid-template-columns: 1.1fr 1.9fr;
    gap: 64px;
    align-items: flex-start;
    max-width: 1100px;
    margin: 0 auto;
}
.about-image-col {
    position: sticky;
    top: calc(var(--nav-height) + 40px);
}
.about-image-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    aspect-ratio: 4/5;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
}
.about-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.about-image-container:hover .about-img {
    transform: scale(1.03);
}
.about-image-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(10, 10, 10, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.badge-dot {
    width: 6px;
    height: 6px;
    background-color: #10b981;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px #10b981;
    animation: pulseDot 2s infinite;
}
@keyframes pulseDot {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}
.about-content-col .badge { display: inline-block; padding: 6px 16px; background: var(--bg-light); border: 1px solid var(--border-color); border-radius: 100px; font-size: 0.875rem; margin-bottom: 32px; }
.about-content-col h2 { font-size: 2rem; font-weight: 500; line-height: 1.4; letter-spacing: -0.03em; margin-bottom: 48px; }
.about-content-col p { font-size: 1.125rem; color: var(--text-secondary); margin-bottom: 24px; line-height: 1.7; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border-color); }
.faq-question { width: 100%; text-align: left; padding: 32px 0; background: transparent; border: none; font-size: 1.25rem; font-weight: 500; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-family: inherit; color: inherit; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1); will-change: max-height; }
.faq-answer p { padding-bottom: 32px; color: var(--text-secondary); font-size: 1.125rem; line-height: 1.6; }
.faq-icon { font-size: 1.5rem; font-weight: 300; transition: transform 0.3s ease; }
.faq-item.active .faq-icon { transform: rotate(45deg); }

/* CTA Final */
.cta-section { padding: 160px 0; }
.cta-text { font-size: 1.25rem; color: #a1a1aa; max-width: 600px; margin: 0 auto; line-height: 1.6; }

/* Footer */
.footer { padding: 64px 0 24px 0; position: relative; overflow: hidden; }
.footer-content { display: flex; justify-content: space-between; gap: 64px; position: relative; z-index: 2; }
.footer-col { flex: 1; max-width: 400px; }
.compact-footer-col { max-width: 320px; }
.footer-logo-img { max-height: 96px; width: auto; object-fit: contain; filter: invert(1); }
.footer-links-grid { display: flex; gap: 64px; }
.footer-link-group h4 { font-size: 1rem; font-weight: 600; margin-bottom: 24px; letter-spacing: -0.01em;}
.footer-link-group a { display: block; color: var(--text-tertiary); text-decoration: none; margin-bottom: 16px; font-size: 0.9375rem; transition: color 0.2s; }
.footer-link-group a:hover { color: white; }
.footer-bottom { font-size: 0.875rem; position: relative; z-index: 2; }

/* Responsive */
@media (max-width: 900px) {
    .hero-title { font-size: 3rem; }
    .mockup-composition { height: auto; flex-direction: column; align-items: center; gap: 24px; padding-bottom: 40px;}
    .mockup-laptop { width: 100%; height: 300px; }
    .mockup-tablet, .mockup-mobile { position: relative; left: 0; right: 0; bottom: 0; }
    
    .comparison-grid { grid-template-columns: 1fr; gap: 24px; text-align: center; }
    .comp-item { justify-content: center; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .deliverables-clean-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .deliverable-item { flex-direction: column; text-align: center; gap: 12px; padding: 24px 16px; }
    .deliverable-item h3 { font-size: 1.125rem; }
    .before-after-grid { flex-direction: column; gap: 24px; }
    .ba-arrow { transform: rotate(90deg); margin-top: 0; }
    
    .mobile-menu-toggle { display: block; }
    .nav-links {
        display: none; flex-direction: column; position: absolute;
        top: var(--nav-height); left: 0; right: 0;
        background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
        padding: 32px 24px; border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 30px rgba(0,0,0,0.08); gap: 24px; text-align: center;
    }
    .nav-links.active { display: flex; }
    
    .timeline-item { flex-direction: column; gap: 16px; }
    .step-num { font-size: 3rem; }
    
    .about-wrapper { grid-template-columns: 1fr; gap: 40px; }
    .about-image-col { position: relative; top: 0; max-width: 320px; margin: 0 auto; }
    
    .footer-content { flex-direction: column; }
    .footer-links-grid { flex-direction: column; gap: 40px; width: 100%; }
}

/* Cookie Consent Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    padding: 20px 24px;
    transform: translateY(100%);
    animation: cookieSlideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 1s forwards;
}

.cookie-banner.hidden {
    animation: cookieSlideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes cookieSlideUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes cookieSlideDown {
    from { transform: translateY(0); opacity: 1; }
    to { transform: translateY(100%); opacity: 0; }
}

.cookie-content {
    max-width: 680px;
    margin: 0 auto;
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 24px 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
}

.cookie-icon {
    color: #a1a1aa;
    flex-shrink: 0;
}

.cookie-text {
    font-size: 0.875rem;
    color: #a1a1aa;
    line-height: 1.5;
    flex: 1;
}

.cookie-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 10px 22px;
    border-radius: 8px;
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: 'Inter', sans-serif;
    border: none;
    white-space: nowrap;
}

.cookie-btn-reject {
    background: transparent;
    color: #a1a1aa;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.cookie-btn-reject:hover {
    background: rgba(255, 255, 255, 0.06);
    color: white;
    border-color: rgba(255, 255, 255, 0.2);
}

.cookie-btn-accept {
    background: white;
    color: #0a0a0a;
}

.cookie-btn-accept:hover {
    background: #e5e5e5;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
}

@media (max-width: 900px) {
    .cookie-content {
        flex-direction: column;
        text-align: center;
        gap: 16px;
        padding: 24px 20px;
    }

    .cookie-actions {
        width: 100%;
        justify-content: center;
    }

    .cookie-btn {
        flex: 1;
        padding: 12px 16px;
    }
}