/* === ZarkarSEO Custom Styles === */
:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: #1a2035;
    --bg-card-hover: #1f2a45;
    --accent: #3b82f6;
    --accent-light: #60a5fa;
    --accent-dark: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.3);
    --green: #10b981;
    --green-glow: rgba(16, 185, 129, 0.3);
    --purple: #8b5cf6;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #1e293b;
    --gradient-1: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-2: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    --gradient-3: linear-gradient(135deg, #0a0e1a 0%, #1a2035 50%, #0a0e1a 100%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* === Animations === */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
    50% { box-shadow: 0 0 40px var(--accent-glow), 0 0 60px rgba(59,130,246,0.15); }
}
@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}
@keyframes count-up {
    from { opacity: 0; transform: scale(0.5); }
    to { opacity: 1; transform: scale(1); }
}
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}
.animate-fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }

/* === Navigation === */
.navbar {
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}
.navbar.scrolled {
    background: rgba(10, 14, 26, 0.98);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.nav-link {
    position: relative;
    transition: color 0.3s ease;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
    border-radius: 1px;
}
.nav-link:hover::after {
    width: 100%;
}

/* === Hero Section === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(ellipse at 20% 50%, rgba(59,130,246,0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(139,92,246,0.08) 0%, transparent 50%),
                var(--bg-primary);
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.015'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}
.hero-gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    pointer-events: none;
}
.hero-gradient-orb.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--accent);
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}
.hero-gradient-orb.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--purple);
    bottom: -50px;
    left: -50px;
    animation: float 10s ease-in-out infinite reverse;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}
.hero-title .gradient-text {
    background: var(--gradient-1);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 4s ease infinite;
}
.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.7;
}

/* === Buttons === */
.btn-primary {
    background: var(--gradient-1);
    color: white;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}
.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}
.btn-primary:hover::before { opacity: 1; }

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 12px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    text-decoration: none;
}
.btn-secondary:hover {
    border-color: var(--accent);
    background: rgba(59,130,246,0.05);
    transform: translateY(-2px);
}

.btn-green {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    text-decoration: none;
}
.btn-green:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--green-glow);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.875rem;
    border-radius: 8px;
}

/* === Cards === */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.4s ease;
    transform-origin: left;
}
.card:hover {
    border-color: rgba(59,130,246,0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    background: var(--bg-card-hover);
}
.card:hover::before { transform: scaleX(1); }

.card-featured {
    border-color: var(--accent);
    position: relative;
}
.card-featured::after {
    content: 'POPULAR';
    position: absolute;
    top: 16px;
    right: -32px;
    background: var(--gradient-1);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 40px;
    transform: rotate(45deg);
    letter-spacing: 1px;
}

/* === Price tag === */
.price-tag {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.price-tag .currency {
    font-size: 1.2rem;
    vertical-align: super;
}

/* === Stats Section === */
.stats-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    position: relative;
}
.stat-card {
    text-align: center;
    padding: 40px 20px;
}
.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 8px;
    font-weight: 500;
}

/* === Testimonials === */
.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    position: relative;
}
.testimonial-card::before {
    content: '\201C';
    font-size: 4rem;
    color: var(--accent);
    opacity: 0.3;
    position: absolute;
    top: 10px;
    left: 20px;
    font-family: Georgia, serif;
    line-height: 1;
}
.testimonial-stars { color: #fbbf24; letter-spacing: 2px; }
.testimonial-name { font-weight: 600; color: var(--text-primary); }
.testimonial-role { color: var(--text-muted); font-size: 0.85rem; }

/* === Section styling === */
.section-title {
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}
.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* === Feature list === */
.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 0;
    color: var(--text-secondary);
}
.feature-list li .check-icon {
    color: var(--green);
    font-weight: bold;
    flex-shrink: 0;
    margin-top: 2px;
}

/* === Trust badges === */
.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--green);
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* === Footer === */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}
.footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}
.footer a:hover { color: var(--accent-light); }

/* === Form styling === */
.form-input {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: 10px;
    width: 100%;
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}
.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-input::placeholder { color: var(--text-muted); }
textarea.form-input { resize: vertical; min-height: 120px; }

/* === Category badge === */
.category-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.category-badge.backlinks {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-light);
}
.category-badge.rank {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
}

/* === Guarantee banner === */
.guarantee-banner {
    background: linear-gradient(135deg, rgba(16,185,129,0.1) 0%, rgba(59,130,246,0.1) 100%);
    border: 1px solid rgba(16,185,129,0.2);
    border-radius: 16px;
    padding: 24px;
}

/* === Cart table === */
.cart-table {
    width: 100%;
    border-collapse: collapse;
}
.cart-table th {
    text-align: left;
    padding: 12px 16px;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border);
}
.cart-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.cart-table input[type="number"] {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 8px;
    width: 70px;
    text-align: center;
}

/* === Messages/Alerts === */
.alert {
    padding: 14px 20px;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: 0.95rem;
    animation: slideDown 0.3s ease-out;
}
.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
}
.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}
.alert-warning {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fbbf24;
}

/* === Logo === */
.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.logo-text .logo-accent {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === Scroll reveal === */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === Mobile menu === */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 14, 26, 0.98);
    z-index: 999;
    padding: 80px 20px 20px;
    animation: fadeIn 0.3s ease;
}
.mobile-menu.active { display: flex; flex-direction: column; align-items: center; gap: 24px; }
.mobile-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 500;
}

/* === Policy pages === */
.policy-content h2 { font-size: 1.8rem; font-weight: 700; margin: 40px 0 16px; color: var(--text-primary); }
.policy-content h3 { font-size: 1.3rem; font-weight: 600; margin: 32px 0 12px; color: var(--text-primary); }
.policy-content h4 { font-size: 1.1rem; font-weight: 600; margin: 24px 0 10px; color: var(--text-primary); }
.policy-content p { color: var(--text-secondary); margin-bottom: 16px; line-height: 1.8; }
.policy-content ul, .policy-content ol { color: var(--text-secondary); margin: 12px 0 16px 24px; }
.policy-content li { margin-bottom: 8px; line-height: 1.7; }
.policy-content a { color: var(--accent-light); text-decoration: underline; }
.policy-content table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.policy-content th, .policy-content td { padding: 12px 16px; text-align: left; border: 1px solid var(--border); }
.policy-content th { background: var(--bg-card); color: var(--text-primary); font-weight: 600; }
.policy-content td { color: var(--text-secondary); }
.policy-content strong { color: var(--text-primary); }

/* === Responsive === */
@media (max-width: 768px) {
    .hero { min-height: auto; padding: 120px 0 60px; }
    .hero-title { font-size: 2.2rem; }
    .stat-number { font-size: 2rem; }
    .card { padding: 24px; }
    .price-tag { font-size: 2rem; }
    .desktop-nav { display: none !important; }
    .mobile-toggle { display: flex !important; }
    .cart-table { font-size: 0.85rem; }
    .cart-table td, .cart-table th { padding: 10px 8px; }
}
@media (min-width: 769px) {
    .mobile-toggle { display: none !important; }
}

/* === Hamburger === */
.hamburger { width: 24px; height: 18px; position: relative; cursor: pointer; }
.hamburger span {
    display: block; width: 100%; height: 2px; background: var(--text-primary);
    position: absolute; left: 0; transition: all 0.3s ease; border-radius: 1px;
}
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 8px; }
.hamburger span:nth-child(3) { top: 16px; }

/* === Shimmer effect for loading === */
.shimmer {
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* === CTA Section === */
.cta-section {
    background: radial-gradient(ellipse at center, rgba(59,130,246,0.1) 0%, transparent 70%),
                var(--bg-primary);
}

/* === Scrollbar === */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }