/* ============================================
   AuthorityLinkBoost - Modern CSS Styles
   ============================================ */

/* CSS Variables */
:root {
    --primary: #06b6d4;
    --primary-dark: #0891b2;
    --secondary: #14b8a6;
    --accent: #f59e0b;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --bg-light: #f0fdfa;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #06b6d4 0%, #14b8a6 100%);
    --shadow-sm: 0 2px 8px rgba(6, 182, 212, 0.1);
    --shadow-md: 0 4px 16px rgba(6, 182, 212, 0.15);
    --shadow-lg: 0 8px 32px rgba(6, 182, 212, 0.2);
    --radius: 12px;
    --transition: all 0.3s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-primary);
    background: var(--white);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.nav__brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav__logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav__list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav__link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav__link:hover {
    color: var(--primary);
}

.nav__cta {
    display: flex;
    gap: 15px;
}

.nav__toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn--primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn--outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn--large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn--full {
    width: 100%;
}

.btn--whatsapp {
    background: #25d366;
    color: var(--white);
}

.btn--whatsapp:hover {
    background: #1da851;
}

.btn--telegram {
    background: #0088cc;
    color: var(--white);
}

.btn--telegram:hover {
    background: #006699;
}

/* Hero Section */
.hero {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, #ecfeff 0%, #f0fdfa 100%);
}

.hero__content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero__title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero__cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 600px;
    margin: 0 auto;
}

.stat {
    text-align: center;
}

.stat__number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 5px;
}

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

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Pricing Section */
.pricing-section {
    padding: 80px 0;
    background: var(--white);
}

.pricing-category {
    margin-bottom: 60px;
}

.pricing-category__title {
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.pricing-card--popular {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.05) 0%, rgba(20, 184, 166, 0.05) 100%);
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--gradient);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-card__header {
    text-align: center;
    margin-bottom: 25px;
}

.pricing-card__level {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.pricing-card__price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.pricing-card__features {
    list-style: none;
    margin-bottom: 25px;
}

.pricing-card__features li {
    padding: 10px 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-card__features i {
    color: var(--accent);
    font-size: 1.1rem;
}

/* Contact Section */
.contact-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.contact-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    border-radius: 50%;
    color: var(--white);
    font-size: 2rem;
}

.contact-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Testimonials Section */
.testimonials-section {
    padding: 80px 0;
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary);
}

.testimonial-card__header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.testimonial-card__avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
}

.testimonial-card__info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

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

.testimonial-card__rating {
    color: var(--accent);
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.testimonial-card__text {
    color: var(--text-secondary);
    line-height: 1.7;
    font-style: italic;
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal__content {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px;
    max-width: 500px;
    width: 90%;
    position: relative;
}

.modal__close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal__content h2 {
    margin-bottom: 10px;
}

.modal__price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
}

.modal__text {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.modal__buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Responsive */
@media (max-width: 992px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 600px;
    }
}

@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 30px;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }
    
    .nav__menu.active {
        left: 0;
    }
    
    .nav__list {
        flex-direction: column;
        width: 100%;
        gap: 15px;
    }
    
    .nav__cta {
        width: 100%;
        flex-direction: column;
    }
    
    .nav__toggle {
        display: block;
    }
    
    .hero__title {
        font-size: 2rem;
    }
    
    .hero__subtitle {
        font-size: 1rem;
    }
    
    .hero__cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero__stats {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}