:root {
    --blue-400: #60a5fa;
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    --purple-400: #c084fc;
    --purple-500: #a855f7;
    --purple-600: #9333ea;
    --cyan-400: #22d3ee;
    --cyan-500: #06b6d4;
    --green-400: #4ade80;
    --green-500: #22c55e;
    --orange-400: #fb923c;
    --orange-500: #f97316;
    --pink-400: #f472b6;
    --pink-500: #ec4899;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --bg-primary: #020617;
    --bg-secondary: #0f172a;
    --card-bg: rgba(15, 23, 42, 0.8);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: rgba(51, 65, 85, 0.5);
    --primary-accent: #60a5fa;
    --whatsapp-green: #25d366;
    --white: #ffffff;
    --glow-blue: 0 0 30px rgba(59, 130, 246, 0.4);
    --glow-purple: 0 0 30px rgba(168, 85, 247, 0.4);
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-vibrant: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.grid {
    display: grid;
}

section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
    border: 1px solid rgba(96, 165, 250, 0.3);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--blue-400);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.gradient-text {
    background: var(--gradient-vibrant);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(2, 6, 23, 0.95);
    border-bottom: 1px solid rgba(51, 65, 85, 0.3);
    transition: background 0.3s ease;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-vibrant);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: white;
    font-size: 1.25rem;
}

.logo-text {
    color: var(--text-primary);
}

.nav-menu-wrapper {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--text-primary);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-vibrant);
    border-radius: 2px;
}

.hamburger-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.hamburger-btn .line {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

@media (max-width: 900px) {
    .hamburger-btn {
        display: flex;
    }
    
    .nav-menu-wrapper {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 80px 30px 30px;
        transition: right 0.3s ease;
        border-left: 1px solid var(--border-color);
    }
    
    .nav-menu-wrapper.active {
        right: 0;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 20px;
        width: 100%;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu a,
    .nav-menu button {
        display: block;
        width: 100%;
        text-align: center;
        padding: 12px;
    }
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    font-size: 1rem;
}

.btn:hover {
    transform: translateY(-3px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--blue-500), var(--purple-500));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

.btn-glow {
    animation: glow-pulse 2s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(139, 92, 246, 0.6); }
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-accent);
    border-color: var(--primary-accent);
}

.btn-secondary:hover {
    background-color: var(--primary-accent);
    color: var(--white);
    box-shadow: var(--glow-blue);
}

.btn-whatsapp {
    padding: 16px 32px;
    font-size: 1.1rem;
    border-radius: 12px;
    background-color: var(--whatsapp-green);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp svg {
    width: 24px;
    height: 24px;
}

.btn-whatsapp-nav {
    color: var(--white);
    background-color: transparent;
    border: 2px solid var(--whatsapp-green);
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.btn-whatsapp-nav:hover {
    background-color: var(--whatsapp-green);
    transform: scale(1.1);
}

.btn-whatsapp-nav svg {
    width: 20px;
    height: 20px;
}

.btn-nav {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.btn-coupon {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(245, 158, 11, 0.2));
    border: 1px solid rgba(251, 191, 36, 0.4);
    color: #fbbf24;
    width: 100%;
    margin-top: 16px;
}

.btn-coupon:hover {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.3), rgba(245, 158, 11, 0.3));
    box-shadow: 0 0 20px rgba(251, 191, 36, 0.3);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-bg-animation {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    will-change: transform;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    top: -15%;
    left: -5%;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #ec4899, #f97316);
    top: 50%;
    right: -10%;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, #06b6d4, #10b981);
    bottom: -5%;
    left: 35%;
}

.particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--blue-400);
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--green-500);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.6s ease-out 0.1s backwards;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease-out 0.3s backwards;
}

.hero-trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 60px;
    animation: fadeInUp 0.6s ease-out 0.4s backwards;
}

.trust-avatars {
    display: flex;
}

.trust-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    color: white;
    border: 2px solid var(--bg-primary);
    margin-left: -10px;
}

.trust-avatar:first-child {
    margin-left: 0;
}

.trust-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.trust-number {
    color: var(--text-primary);
    font-weight: 700;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stats-section {
    padding: 80px 0;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.5) 0%, rgba(2, 6, 23, 1) 100%);
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

@media (max-width: 900px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.stat-card {
    text-align: center;
    padding: 40px 24px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(51, 65, 85, 0.5);
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-vibrant);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.stat-card:hover {
    transform: translateY(-5px);
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.stat-icon {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.stat-icon-blue {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.1));
    color: var(--blue-400);
}

.stat-icon-purple {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(168, 85, 247, 0.1));
    color: var(--purple-400);
}

.stat-icon-green {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(34, 197, 94, 0.1));
    color: var(--green-400);
}

.stat-icon-orange {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.2), rgba(249, 115, 22, 0.1));
    color: var(--orange-400);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-vibrant);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-vibrant);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 8px;
}

.why-choose-us {
    background: var(--bg-primary);
    position: relative;
}

.why-choose-us::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    padding: 40px 30px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(51, 65, 85, 0.5);
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(96, 165, 250, 0.4);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.feature-icon-wrap {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon-wrap {
    transform: scale(1.1) rotate(5deg);
}

.feature-icon-blue {
    background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
    color: white;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.feature-icon-purple {
    background: linear-gradient(135deg, var(--purple-500), var(--purple-600));
    color: white;
    box-shadow: 0 8px 25px rgba(168, 85, 247, 0.3);
}

.feature-icon-green {
    background: linear-gradient(135deg, var(--green-500), #059669);
    color: white;
    box-shadow: 0 8px 25px rgba(34, 197, 94, 0.3);
}

.feature-icon-orange {
    background: linear-gradient(135deg, var(--orange-500), #ea580c);
    color: white;
    box-shadow: 0 8px 25px rgba(249, 115, 22, 0.3);
}

.feature-icon-pink {
    background: linear-gradient(135deg, var(--pink-500), #db2777);
    color: white;
    box-shadow: 0 8px 25px rgba(236, 72, 153, 0.3);
}

.feature-icon-cyan {
    background: linear-gradient(135deg, var(--cyan-500), #0891b2);
    color: white;
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.3);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.services {
    background-color: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 140%;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 1;
}

.card {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(51, 65, 85, 0.5);
    border-radius: 24px;
    padding: 32px;
    text-align: left;
    box-shadow: var(--card-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-vibrant);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover::before {
    opacity: 1;
}

.card:hover {
    border-color: rgba(96, 165, 250, 0.5);
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 30px rgba(59, 130, 246, 0.1);
}

.card.popular {
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3), 0 0 20px rgba(59, 130, 246, 0.1);
}

.card.popular::after {
    content: 'POPULAR';
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--gradient-vibrant);
    color: white;
    padding: 6px 40px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    transform: rotate(45deg);
}

.card-header {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.card-description-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 8px;
}

.backlink-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 12px;
    background: rgba(30, 41, 59, 0.5);
    border-radius: 8px;
}

.backlink-type {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.backlink-count {
    font-weight: 700;
    color: var(--primary-accent);
}

.price {
    margin: 24px 0;
}

.price-currency {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-right: 4px;
    vertical-align: top;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-vibrant);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-footer {
    margin-top: auto;
    text-align: center;
}

.card-footer .btn {
    width: 100%;
}

.backlink-calculator {
    background: var(--bg-primary);
    position: relative;
}

.unified-calculator {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(51, 65, 85, 0.5);
    border-radius: 24px;
    padding: 40px;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
}

.calculator-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(51, 65, 85, 0.5);
}

.calculator-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-vibrant);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.calculator-header-text h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.calculator-header-text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.backlink-rows {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.backlink-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 20px;
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid rgba(51, 65, 85, 0.3);
    border-radius: 16px;
    transition: all 0.2s ease;
    position: relative;
}

.backlink-row:hover {
    border-color: rgba(96, 165, 250, 0.3);
    background: rgba(30, 41, 59, 0.6);
}

.popular-row {
    border-color: rgba(168, 85, 247, 0.4);
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(59, 130, 246, 0.1));
}

.popular-tag {
    position: absolute;
    top: -8px;
    right: 16px;
    background: var(--gradient-vibrant);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    text-transform: uppercase;
}

.row-info {
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 1;
}

.row-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.profile-icon { background: linear-gradient(135deg, var(--blue-500), var(--blue-600)); }
.article-icon { background: linear-gradient(135deg, var(--purple-500), var(--purple-600)); }
.sharing-icon { background: linear-gradient(135deg, var(--green-500), #059669); }
.directory-icon { background: linear-gradient(135deg, var(--orange-500), #ea580c); }
.comment-icon { background: linear-gradient(135deg, var(--pink-500), #db2777); }
.forum-icon { background: linear-gradient(135deg, var(--cyan-500), #0891b2); }

.row-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.row-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.row-price {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.row-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.slider-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 180px;
}

.backlink-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: rgba(51, 65, 85, 0.5);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.backlink-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--gradient-vibrant);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
    transition: transform 0.2s ease;
}

.backlink-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.slider-value {
    min-width: 30px;
    text-align: center;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.quantity-input {
    width: 70px;
    padding: 10px 12px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(51, 65, 85, 0.5);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    outline: none;
    transition: border-color 0.2s ease;
}

.quantity-input:focus {
    border-color: var(--blue-500);
}

@media (max-width: 700px) {
    .backlink-row {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
    }
    
    .row-controls {
        justify-content: space-between;
    }
    
    .slider-wrapper {
        flex: 1;
    }
}

.calculator-footer {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(51, 65, 85, 0.5);
}

.summary-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-bottom: 24px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.stat-item .stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.stat-item .stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-vibrant);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(51, 65, 85, 0.5);
}

.calculator-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.calculator-actions .btn {
    min-width: 140px;
}

.testimonials-section {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.testimonials-wrapper {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonials-track {
    display: flex;
    gap: 24px;
    transition: transform 0.5s ease;
}

.testimonial-card {
    flex: 0 0 calc(33.333% - 16px);
    min-width: 300px;
    padding: 32px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(51, 65, 85, 0.5);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    border-color: rgba(96, 165, 250, 0.4);
    transform: translateY(-5px);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.testimonial-text {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    color: white;
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
}

.author-role {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.testimonials-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
}

.testimonial-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(51, 65, 85, 0.5);
    border: 1px solid rgba(96, 165, 250, 0.3);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.testimonial-btn:hover {
    background: var(--blue-500);
    border-color: var(--blue-500);
}

.testimonial-dots {
    display: flex;
    gap: 8px;
}

.testimonial-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(51, 65, 85, 0.5);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.testimonial-dot.active {
    background: var(--gradient-vibrant);
    width: 30px;
    border-radius: 10px;
}

@media (max-width: 900px) {
    .testimonial-card {
        flex: 0 0 calc(50% - 12px);
    }
}

@media (max-width: 600px) {
    .testimonial-card {
        flex: 0 0 100%;
    }
}

.working-process {
    background: var(--bg-primary);
    position: relative;
}

.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--blue-500), var(--purple-500), var(--pink-500));
}

.process-step {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
}

.process-step:last-child {
    margin-bottom: 0;
}

.step-number-wrap {
    flex-shrink: 0;
    width: 60px;
    display: flex;
    justify-content: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-vibrant);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.5rem;
    color: white;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
    position: relative;
    z-index: 1;
}

.step-content {
    flex: 1;
    padding: 24px 30px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(51, 65, 85, 0.5);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.step-content:hover {
    border-color: rgba(96, 165, 250, 0.4);
    transform: translateX(5px);
}

.step-content .step-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue-400);
    margin-bottom: 16px;
}

.step-content .step-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.step-content .step-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

@media (max-width: 600px) {
    .timeline-line {
        display: none;
    }
    
    .process-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .step-content {
        width: 100%;
    }
}

.faq-section {
    background: var(--bg-secondary);
    position: relative;
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(51, 65, 85, 0.5);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(96, 165, 250, 0.3);
}

.faq-item.active {
    border-color: rgba(96, 165, 250, 0.5);
}

.faq-question {
    width: 100%;
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: color 0.2s ease;
}

.faq-question:hover {
    color: var(--blue-400);
}

.faq-icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
    color: var(--blue-400);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 24px 24px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.trust-section {
    padding: 60px 0;
    background: linear-gradient(180deg, var(--bg-secondary), var(--bg-primary));
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(51, 65, 85, 0.5);
    border-radius: 12px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.trust-badge:hover {
    border-color: rgba(96, 165, 250, 0.4);
    color: var(--text-primary);
}

.trust-badge svg {
    color: var(--blue-400);
}

.newsletter-section {
    padding: 80px 0;
    background: var(--bg-primary);
}

.newsletter-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(96, 165, 250, 0.3);
    border-radius: 24px;
    padding: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

@media (max-width: 800px) {
    .newsletter-card {
        flex-direction: column;
        text-align: center;
        padding: 40px;
    }
}

.newsletter-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.newsletter-text {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.newsletter-form {
    flex-shrink: 0;
    width: 100%;
    max-width: 400px;
}

.newsletter-input-wrap {
    display: flex;
    gap: 12px;
}

.newsletter-input {
    flex: 1;
    padding: 16px 20px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(51, 65, 85, 0.5);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.newsletter-input:focus {
    border-color: var(--blue-500);
}

.newsletter-btn {
    white-space: nowrap;
}

.newsletter-note {
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
}

.footer {
    background: var(--bg-secondary);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(51, 65, 85, 0.3);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 40px;
}

@media (max-width: 800px) {
    .footer-content {
        flex-direction: column;
        gap: 40px;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.footer-desc {
    color: var(--text-secondary);
    max-width: 300px;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(51, 65, 85, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.social-link:hover {
    background: var(--whatsapp-green);
    color: white;
}

.footer-links {
    display: flex;
    gap: 80px;
}

@media (max-width: 600px) {
    .footer-links {
        flex-direction: column;
        gap: 30px;
    }
}

.footer-col h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 10px;
    transition: color 0.2s ease;
}

.footer-col a:hover {
    color: var(--blue-400);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(51, 65, 85, 0.3);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--blue-400);
    text-decoration: none;
}

.scroll-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-vibrant);
    border: none;
    border-radius: 50%;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(59, 130, 246, 0.5);
}

.whatsapp-chat-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--whatsapp-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    animation: whatsapp-pulse 2s ease-in-out infinite;
}

.whatsapp-chat-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(37, 211, 102, 0.5);
}

@keyframes whatsapp-pulse {
    0%, 100% { box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 8px 40px rgba(37, 211, 102, 0.6); }
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    overflow-y: auto;
    padding: 20px;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    position: relative;
    background-color: var(--slate-900);
    border: 1px solid rgba(51, 65, 85, 0.5);
    width: 90%;
    max-width: 500px;
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    padding: 30px;
}

.modal-close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    background: rgba(51, 65, 85, 0.5);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.modal-close-btn:hover {
    background: rgba(239, 68, 68, 0.5);
}

.modal-title {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.track-order-modal {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.track-order-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.track-order-content {
    background: var(--slate-900);
    border: 1px solid rgba(51, 65, 85, 0.5);
    border-radius: 20px;
    padding: 40px;
    width: 90%;
    max-width: 500px;
    position: relative;
}

.form-title {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    text-align: center;
}

.track-order-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.input-group {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.input-group input {
    width: 100%;
    padding: 16px 16px 16px 50px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(51, 65, 85, 0.5);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s ease;
}

.input-group input:focus {
    border-color: var(--blue-500);
}

.track-btn {
    width: 100%;
    padding: 16px;
    background: var(--gradient-vibrant);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.track-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.result-container {
    display: none;
    margin-top: 24px;
    padding: 20px;
    background: rgba(15, 23, 42, 0.6);
    border-radius: 12px;
}

.result-container.show {
    display: block;
}

.result-title {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 12px;
}

[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos-delay="50"] { transition-delay: 0.05s; }
[data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos-delay="150"] { transition-delay: 0.15s; }
[data-aos-delay="200"] { transition-delay: 0.2s; }
[data-aos-delay="250"] { transition-delay: 0.25s; }
[data-aos-delay="300"] { transition-delay: 0.3s; }
[data-aos-delay="400"] { transition-delay: 0.4s; }
[data-aos-delay="500"] { transition-delay: 0.5s; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    [data-aos] {
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .unified-calculator {
        padding: 24px;
    }
    
    .newsletter-card {
        padding: 30px;
    }
    
    .newsletter-input-wrap {
        flex-direction: column;
    }
}