/* ===== LANDING PAGE (index.php) ===== */
:root {
    --primary: #0066cc;
    --primary-dark: #0052a3;
    --primary-light: #3385d6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #1a1a1a;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--gray-900);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== NAVIGATION ===== */
.navbar {
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    padding: 1rem 0;
    transition: all 0.3s ease;
}
.navbar.scrolled { box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.navbar-brand { font-weight: 700; font-size: 1.5rem; color: var(--dark); letter-spacing: -0.5px; }
.nav-link { color: var(--gray-700); font-weight: 500; padding: 0.5rem 1rem !important; transition: color 0.2s; }
.nav-link:hover { color: var(--primary); }
.btn-primary { background: var(--primary); border: none; padding: 0.625rem 1.5rem; font-weight: 600; border-radius: 8px; transition: all 0.2s; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,102,204,0.3); }

/* ===== HERO SECTION ===== */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #fff 100%);
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; right: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(0,102,204,0.08) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    color: var(--primary);
    padding: 0.5rem 1.25rem; border-radius: 50px;
    font-weight: 600; font-size: 0.875rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0,102,204,0.1);
}
.hero-title {
    font-size: 3.5rem; font-weight: 800; line-height: 1.15;
    color: var(--dark); margin-bottom: 1.5rem; letter-spacing: -1.5px;
}
.hero-subtitle {
    font-size: 1.2rem; color: var(--gray-600);
    line-height: 1.8; margin-bottom: 2.5rem; max-width: 600px;
}
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-hero-primary {
    background: var(--primary); color: #fff;
    padding: 1rem 2rem; border-radius: 10px;
    font-weight: 600; font-size: 1.125rem; border: none;
    display: inline-flex; align-items: center; gap: 0.5rem;
    transition: all 0.3s;
    box-shadow: 0 4px 14px rgba(0,102,204,0.25);
    text-decoration: none;
}
.btn-hero-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,102,204,0.35); color: #fff; }
.btn-hero-secondary {
    background: #fff; color: var(--gray-700);
    padding: 1rem 2rem; border-radius: 10px;
    font-weight: 600; font-size: 1.125rem;
    border: 2px solid var(--gray-200);
    display: inline-flex; align-items: center; gap: 0.5rem;
    transition: all 0.3s; text-decoration: none;
}
.btn-hero-secondary:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.trust-badges { display: flex; gap: 2rem; flex-wrap: wrap; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--gray-200); }
.trust-badge { display: flex; align-items: center; gap: 0.5rem; color: var(--gray-600); font-size: 0.9rem; font-weight: 500; }
.trust-badge i { color: var(--primary); font-size: 1.25rem; }

/* App Preview Card */
.app-preview {
    background: #1a1a2e; border-radius: 24px; padding: 1.5rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    border: 2px solid #2a2a3e; color: #fff;
    max-width: 340px; margin: 0 auto;
}
.app-preview-header {
    display: flex; align-items: center; gap: 0.75rem;
    margin-bottom: 1.5rem; padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.app-preview-header img { width: 36px; height: 36px; border-radius: 8px; }
.app-preview-header span { font-weight: 700; font-size: 1.1rem; }
.app-scan-area {
    background: rgba(255,255,255,0.05); border-radius: 16px;
    padding: 1.5rem; text-align: center;
    margin-bottom: 1rem; border: 1px dashed rgba(255,255,255,0.15);
}
.app-scan-area i { font-size: 2.5rem; color: var(--primary-light); margin-bottom: 0.5rem; }
.app-scan-area p { color: rgba(255,255,255,0.7); font-size: 0.85rem; margin: 0; }
.app-progress {
    background: rgba(255,255,255,0.05); border-radius: 12px;
    padding: 1rem 1.25rem; margin-bottom: 1rem;
}
.app-progress-header { display: flex; justify-content: space-between; margin-bottom: 0.5rem; font-size: 0.85rem; }
.app-progress-header .label { color: rgba(255,255,255,0.6); }
.app-progress-header .value { color: var(--primary-light); font-weight: 700; }
.app-progress-bar { height: 6px; background: rgba(255,255,255,0.1); border-radius: 10px; overflow: hidden; }
.app-progress-bar .fill { height: 100%; background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%); border-radius: 10px; width: 60%; }
.app-progress-text { text-align: center; color: rgba(255,255,255,0.5); font-size: 0.8rem; margin-top: 0.5rem; }
.app-credits-btn {
    display: block; width: 100%;
    background: linear-gradient(135deg, var(--warning) 0%, #d97706 100%);
    color: #fff; border: none; border-radius: 12px;
    padding: 0.875rem; font-weight: 700; font-size: 0.95rem;
    text-align: center; cursor: default;
}
.app-credits-divider { text-align: center; color: rgba(255,255,255,0.4); font-size: 0.8rem; margin: 0.75rem 0; }

/* ===== STATS BANNER ===== */
.stats-banner {
    padding: 4rem 0;
    background: linear-gradient(135deg, #0052a3 0%, #0066cc 30%, #0077ed 70%, #0052a3 100%);
    color: #fff; position: relative; overflow: hidden;
}
.stats-banner::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 50%, rgba(255,255,255,0.05) 0%, transparent 60%);
}
.stat-item { text-align: center; position: relative; z-index: 1; }
.stat-value {
    font-size: 3.5rem; font-weight: 800; line-height: 1; margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #fff 0%, #c7d2fe 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-label { font-size: 1rem; opacity: 0.85; font-weight: 500; letter-spacing: 0.3px; }
.stat-divider {
    width: 1px; height: 50px; background: rgba(255,255,255,0.15);
    margin: auto;
}

/* ===== SECTIONS ===== */
.section-header { text-align: center; max-width: 800px; margin: 0 auto 4rem; }
.section-badge { color: var(--primary); font-weight: 700; font-size: 0.875rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1rem; }
.section-title { font-size: 2.75rem; font-weight: 800; color: var(--dark); margin-bottom: 1rem; line-height: 1.2; letter-spacing: -1px; }
.section-subtitle { font-size: 1.125rem; color: var(--gray-600); line-height: 1.7; }

/* ===== NO POPUPS SECTION ===== */
.nopopups { padding: 5rem 0; background: var(--gray-50); }
.nopopup-card {
    background: #fff; padding: 2rem; border-radius: 16px;
    border: 2px solid var(--gray-100); height: 100%; transition: all 0.3s;
}
.nopopup-card:hover { border-color: var(--success); box-shadow: 0 8px 24px rgba(16,185,129,0.12); transform: translateY(-4px); }
.nopopup-icon {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    border-radius: 12px; display: flex; align-items: center; justify-content: center;
    margin-bottom: 1.25rem; font-size: 1.5rem; color: #fff;
}
.nopopup-title { font-size: 1.25rem; font-weight: 700; color: var(--dark); margin-bottom: 0.75rem; }
.nopopup-desc { color: var(--gray-600); line-height: 1.7; }

/* ===== BENEFITS SECTION ===== */
.benefits { padding: 5rem 0; background: #fff; }
.benefit-card {
    background: #fff; padding: 2rem; border-radius: 16px;
    border: 2px solid var(--gray-100); height: 100%; transition: all 0.3s;
}
.benefit-card:hover { border-color: var(--primary); box-shadow: 0 8px 24px rgba(0,102,204,0.12); transform: translateY(-4px); }
.benefit-icon {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 12px; display: flex; align-items: center; justify-content: center;
    margin-bottom: 1.25rem; font-size: 1.5rem; color: #fff;
}
.benefit-title { font-size: 1.25rem; font-weight: 700; color: var(--dark); margin-bottom: 0.75rem; }
.benefit-desc { color: var(--gray-600); line-height: 1.7; }

/* ===== CREDITS SECTION ===== */
.credits-section { padding: 5rem 0; background: var(--gray-50); }
.credits-step { text-align: center; padding: 2rem 1rem; }
.credits-step-number {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, var(--warning) 0%, #d97706 100%);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1.25rem; font-size: 1.5rem; font-weight: 800; color: #fff;
    box-shadow: 0 8px 20px rgba(245,158,11,0.25);
}
.credits-step h4 { font-size: 1.125rem; font-weight: 700; color: var(--dark); margin-bottom: 0.75rem; }
.credits-step p { color: var(--gray-600); font-size: 0.95rem; line-height: 1.6; }
.model-card {
    background: #fff; border-radius: 16px; padding: 2rem;
    border: 2px solid var(--gray-100); height: 100%;
}
.model-card.premium { border-color: var(--warning); }
.model-card h4 { font-size: 1.25rem; font-weight: 700; color: var(--dark); margin-bottom: 1.25rem; }
.model-card ul { list-style: none; padding: 0; margin: 0; }
.model-card ul li { padding: 0.5rem 0; color: var(--gray-600); display: flex; align-items: center; gap: 0.5rem; }
.model-card ul li i { color: var(--success); font-size: 1.1rem; }

/* ===== WIN-WIN SECTION ===== */
.winwin-section { padding: 5rem 0; background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 50%, #f0f9ff 100%); }
.winwin-card {
    background: #fff; padding: 2.5rem; border-radius: 20px;
    border: 2px solid var(--gray-100); height: 100%; transition: all 0.3s;
    position: relative; overflow: hidden;
}
.winwin-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
}
.winwin-card.publisher::before { background: linear-gradient(90deg, var(--primary), var(--primary-light)); }
.winwin-card.viewer::before { background: linear-gradient(90deg, var(--success), #059669); }
.winwin-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.08); }
.winwin-icon {
    width: 64px; height: 64px; border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1.5rem; font-size: 1.75rem; color: #fff;
}
.winwin-card.publisher .winwin-icon { background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
.winwin-card.viewer .winwin-icon { background: linear-gradient(135deg, var(--success), #059669); }
.winwin-card h3 { font-size: 1.35rem; font-weight: 700; color: var(--dark); margin-bottom: 0.75rem; }
.winwin-card p { color: var(--gray-600); line-height: 1.7; }
.winwin-conclusion {
    background: #fff; border-radius: 16px; padding: 1.5rem 2rem;
    border: 2px solid var(--success); text-align: center;
    font-size: 1.1rem; font-weight: 600; color: var(--dark);
}

/* ===== HOW IT WORKS ===== */
.how-it-works { padding: 5rem 0; background: #fff; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 3rem; }
.step { text-align: center; }
.step-number {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1.5rem; font-size: 1.75rem; font-weight: 800; color: #fff;
    box-shadow: 0 8px 20px rgba(0,102,204,0.25);
}
.step-title { font-size: 1.125rem; font-weight: 700; color: var(--dark); margin-bottom: 0.75rem; }
.step-desc { color: var(--gray-600); font-size: 0.95rem; line-height: 1.6; }

/* ===== INTEGRATION SECTION ===== */
.integration { padding: 5rem 0; background: var(--dark); color: #fff; }
.integration .section-badge { color: var(--primary-light); }
.integration .section-title { color: #fff; }
.integration .section-subtitle { color: rgba(255,255,255,0.7); }
.code-tabs { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.code-tab {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.7); padding: 0.5rem 1rem;
    border-radius: 8px; font-size: 0.85rem; font-weight: 600;
    cursor: pointer; transition: all 0.2s;
}
.code-tab:hover { background: rgba(255,255,255,0.15); color: #fff; }
.code-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.code-example {
    background: #000; border-radius: 16px; padding: 2rem;
    border: 1px solid rgba(255,255,255,0.1); position: relative;
}
.code-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 1.5rem; padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.code-title { color: rgba(255,255,255,0.6); font-size: 0.875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.copy-btn {
    background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
    color: #fff; padding: 0.5rem 1rem; border-radius: 8px;
    font-size: 0.875rem; font-weight: 600; cursor: pointer; transition: all 0.2s;
}
.copy-btn:hover { background: rgba(255,255,255,0.2); }
.code-block {
    background: transparent; color: #a8b9f1;
    font-family: 'Courier New', monospace; font-size: 0.85rem;
    line-height: 1.8; overflow-x: auto; white-space: pre-wrap; word-break: break-all;
}
.integration-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 3rem; }
.integration-feature { display: flex; align-items: start; gap: 1rem; }
.integration-feature-icon {
    width: 48px; height: 48px;
    background: rgba(0,102,204,0.2); border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; color: var(--primary-light); font-size: 1.25rem;
}
.integration-feature-content h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.375rem; }
.integration-feature-content p { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin: 0; }

/* ===== USE CASES ===== */
.use-cases { padding: 5rem 0; background: #fff; }
.use-case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 3rem; }
.use-case-card {
    background: var(--gray-50); padding: 2.5rem; border-radius: 16px;
    border: 2px solid var(--gray-100); transition: all 0.3s; text-align: center;
}
.use-case-card:hover { border-color: var(--primary); box-shadow: 0 8px 24px rgba(0,102,204,0.12); transform: translateY(-4px); }
.use-case-icon { font-size: 4rem; margin-bottom: 1.5rem; }
.use-case-title { font-size: 1.375rem; font-weight: 700; color: var(--dark); margin-bottom: 1rem; }
.use-case-desc { color: var(--gray-600); line-height: 1.7; }
.use-case-demo-actions {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    align-items: stretch;
}
.use-case-demo-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.55rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--gray-300);
    background: #fff;
    color: var(--primary-dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s;
}
.use-case-demo-link:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
}
.use-case-demo-link-copy {
    width: 100%;
    border-color: #1d4ed8;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #fff;
    font-weight: 700;
}
.use-case-demo-link-copy:hover {
    color: #fff;
    border-color: #1e40af;
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
}
.use-case-demo-link-secondary {
    width: 100%;
}

/* ===== CPM TABS ===== */
.cpm-tabs { display: flex; gap: 0.5rem; flex-wrap: wrap; justify-content: center; margin-bottom: 2rem; }
.cpm-tab {
    background: var(--gray-100); border: 2px solid var(--gray-200);
    color: var(--gray-600); padding: 0.625rem 1.5rem; border-radius: 10px;
    font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: all 0.2s;
}
.cpm-tab:hover { border-color: var(--primary); color: var(--primary); }
.cpm-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.cpm-tab-content { display: none; }
.cpm-tab-content.active { display: block; }

/* ===== PAYOUT SECTION ===== */
.payout-section { padding: 5rem 0; background: var(--gray-50); }
.payout-card {
    background: #fff; padding: 2rem; border-radius: 16px;
    height: 100%; text-align: center; border: 2px solid var(--gray-100);
}
.payout-icon { font-size: 2.5rem; color: var(--primary); margin-bottom: 1rem; }
.payout-card h4 { font-size: 1.125rem; font-weight: 700; margin-bottom: 0.75rem; }
.payout-card p { color: var(--gray-600); line-height: 1.7; font-size: 0.95rem; }

/* ===== FAQ SECTION ===== */
.faq-section { padding: 5rem 0; background: #fff; }
.faq-item {
    background: var(--gray-50); border-radius: 12px;
    margin-bottom: 1rem; border: 1px solid var(--gray-200); overflow: hidden;
}
.faq-question {
    padding: 1.25rem 1.5rem; font-weight: 700; color: var(--dark);
    cursor: pointer; display: flex; justify-content: space-between; align-items: center;
    background: none; border: none; width: 100%; text-align: left; font-size: 1rem;
}
.faq-question:hover { color: var(--primary); }
.faq-question i { transition: transform 0.3s; color: var(--gray-400); }
.faq-answer { padding: 0 1.5rem 1.25rem; color: var(--gray-600); line-height: 1.7; display: none; }
.faq-item.active .faq-answer { display: block; }
.faq-item.active .faq-question i { transform: rotate(180deg); }

/* ===== CTA SECTION ===== */
.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff; text-align: center; position: relative; overflow: hidden;
}
.cta::before {
    content: ''; position: absolute; top: -200px; right: -200px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}
.cta-content { position: relative; z-index: 1; }
.cta-title { font-size: 3rem; font-weight: 800; margin-bottom: 1.5rem; line-height: 1.2; }
.cta-subtitle { font-size: 1.25rem; margin-bottom: 2.5rem; opacity: 0.95; max-width: 700px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-cta-primary {
    background: #fff; color: var(--primary);
    padding: 1.125rem 2.5rem; border-radius: 10px;
    font-weight: 700; font-size: 1.125rem; border: none;
    display: inline-flex; align-items: center; gap: 0.5rem;
    transition: all 0.3s; box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    text-decoration: none;
}
.btn-cta-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,0.25); color: var(--primary); }
.btn-cta-secondary {
    background: rgba(255,255,255,0.15); color: #fff;
    padding: 1.125rem 2.5rem; border-radius: 10px;
    font-weight: 700; font-size: 1.125rem;
    border: 2px solid rgba(255,255,255,0.3);
    display: inline-flex; align-items: center; gap: 0.5rem;
    transition: all 0.3s; text-decoration: none;
}
.btn-cta-secondary:hover { background: rgba(255,255,255,0.25); border-color: rgba(255,255,255,0.5); transform: translateY(-2px); color: #fff; }

/* ===== FOOTER ===== */
.footer { background: var(--gray-900); color: rgba(255,255,255,0.7); padding: 4rem 0 2rem; }
.footer-brand { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.footer-brand-text { font-size: 1.5rem; font-weight: 700; color: #fff; }
.footer-desc { margin-bottom: 1.5rem; line-height: 1.7; color: rgba(255,255,255,0.6); }
.footer-title { color: #fff; font-weight: 700; font-size: 1rem; margin-bottom: 1.25rem; }
.footer-link { color: rgba(255,255,255,0.6); text-decoration: none; display: block; margin-bottom: 0.75rem; transition: color 0.2s; }
.footer-link:hover { color: #fff; }
.footer-bottom { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); text-align: center; font-size: 0.9rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) { .hero-title { font-size: 3rem; } }
@media (max-width: 992px) {
    .hero { padding: 100px 0 60px; }
    .hero-title { font-size: 2.5rem; }
    .section-title { font-size: 2.25rem; }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .integration-features { grid-template-columns: 1fr; }
    .use-case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .hero { padding: 90px 0 40px; }
    .hero-title { font-size: 2rem; letter-spacing: -0.5px; }
    .hero-subtitle { font-size: 1.1rem; }
    .hero-cta { flex-direction: column; }
    .btn-hero-primary, .btn-hero-secondary { width: 100%; justify-content: center; }
    .trust-badges { flex-direction: column; gap: 1rem; }
    .section-title { font-size: 2rem; }
    .stat-value { font-size: 2.5rem; }
    .steps { grid-template-columns: 1fr; }
    .cta-title { font-size: 2rem; }
    .cta-buttons { flex-direction: column; }
    .btn-cta-primary, .btn-cta-secondary { width: 100%; justify-content: center; }
}
@media (max-width: 576px) {
    .navbar { padding: 0.75rem 0; }
    .hero { padding: 75px 0 30px; }
    .hero-title { font-size: 1.75rem; }
    .hero-subtitle { font-size: 1rem; }
    .section-title { font-size: 1.75rem; }
    .section-subtitle { font-size: 1rem; }
    .use-case-grid { grid-template-columns: 1fr; }
    .benefit-card, .use-case-card, .nopopup-card { padding: 1.5rem; }
    .code-example { padding: 1.5rem; }
    .code-tabs { gap: 0.25rem; }
    .code-tab { padding: 0.375rem 0.75rem; font-size: 0.75rem; }
    .hero-badge { font-size: 0.78rem; padding: 0.4rem 0.9rem; max-width: 100%; white-space: normal; text-align: center; justify-content: center; margin-top: 15px; }
}