/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00d4ff;
    --secondary-color: #7c3aed;
    --accent-color: #a855f7;
    --bg-dark: #0a0e27;
    --bg-darker: #050815;
    --text-light: #e0e7ff;
    --text-gray: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-darker);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* ============================================
   ANIMATED BACKGROUND
   ============================================ */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(-45deg, #0a0e27, #1a1f3a, #0f1629, #050815);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    overflow: hidden;
}

.animated-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.animated-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    text-decoration: none;
    display: inline-block;
    transition: transform 0.3s ease;
}

.nav-brand a:hover {
    transform: scale(1.05);
}

.nav-brand h2 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    cursor: pointer;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: width 0.3s ease;
}

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

.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu .nav-whatsapp {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
    margin-left: 1rem;
}

.nav-menu .nav-whatsapp::after {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: all 0.3s ease;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 2rem 80px;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
    animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
    }
    50% {
        box-shadow: 0 4px 25px rgba(0, 212, 255, 0.6);
    }
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(0.9rem, 1.5vw, 1.05rem);
    color: var(--text-gray);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle p {
    margin-bottom: 1rem;
}

.hero-subtitle p:last-child {
    margin-bottom: 0;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-features {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.feature-badge:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-color);
}

.feature-badge .icon {
    font-size: 1.2rem;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.6);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-3px);
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: 100px 2rem;
    position: relative;
}

.section-dark {
    background: rgba(5, 8, 21, 0.5);
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* ============================================
   FEATURES GRID
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    line-height: 1.4;
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* ============================================
   FEATURES LIST
   ============================================ */
.features-list {
    max-width: 800px;
    margin: 0 auto;
}

.feature-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: flex-start;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateX(10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.feature-number {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-width: 80px;
}

.feature-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.feature-content p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* ============================================
   PRICING CARDS
   ============================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured::before {
    transform: scaleX(1);
}

.pricing-badge {
    position: absolute;
    top: 20px;
    right: -30px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    padding: 0.5rem 2rem;
    font-size: 0.85rem;
    font-weight: 600;
    transform: rotate(45deg);
    box-shadow: 0 2px 10px rgba(0, 212, 255, 0.5);
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.pricing-price {
    margin-bottom: 2rem;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-gray);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    padding-left: 1.5rem;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* ============================================
   ACTIVATION SECTION
   ============================================ */
.activation-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.activation-step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.activation-step:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.step-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-width: 60px;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.step-content p {
    color: var(--text-gray);
    line-height: 1.8;
    margin: 0;
}

.activation-guide {
    text-align: center;
    margin-top: 4rem;
    padding: 2.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
}

.activation-guide h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.activation-guide p {
    color: var(--text-gray);
    margin-bottom: 2rem;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   DISCOVER SECTION
   ============================================ */
.discover-intro {
    max-width: 900px;
    margin: 0 auto 3rem;
    text-align: center;
}

.discover-intro p {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: var(--text-gray);
    line-height: 1.8;
}

.discover-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.discover-feature {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.discover-feature:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.discover-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.discover-feature h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    line-height: 1.4;
}

.discover-feature p {
    color: var(--text-gray);
    line-height: 1.8;
    margin: 0;
}

/* ============================================
   CHANNELS SECTION
   ============================================ */
.channels-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.channels-image {
    width: 100%;
}

.channels-image img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.channels-text {
    padding: 2rem;
}

.channels-title {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: left;
}

.channels-divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin-bottom: 2rem;
    border-radius: 2px;
}

.channels-description {
    font-size: 1.1rem;
    color: var(--text-gray);
    line-height: 1.8;
    margin: 0;
}

/* ============================================
   ARTICLES SECTION
   ============================================ */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.article-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    text-decoration: none;
    display: block;
    color: inherit;
}

.article-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.article-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(168, 85, 247, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-placeholder {
    font-size: 4rem;
}

.article-content {
    padding: 2rem;
}

.article-content h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.article-content p {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.article-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-block;
    margin-top: 0.5rem;
    transition: transform 0.3s ease;
}

.article-card:hover .article-link {
    transform: translateX(5px);
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.testimonial-stars {
    color: #ffd700;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.testimonial-text {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--glass-border);
}

.testimonial-author strong {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.testimonial-author span {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary-color);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(0, 212, 255, 0.05);
}

.faq-question h3 {
    font-size: 1.2rem;
    color: var(--text-light);
    margin: 0;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-icon.whatsapp-icon {
    font-size: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
}

.contact-icon.whatsapp-icon svg {
    width: 64px;
    height: 64px;
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-card p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: rgba(5, 8, 21, 0.8);
    border-top: 1px solid var(--glass-border);
    padding: 4rem 2rem 2rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-section p {
    color: var(--text-gray);
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-gray);
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.6);
}

/* ============================================
   CHECKOUT POPUP
   ============================================ */
.checkout-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.checkout-popup.active {
    display: flex;
}

.checkout-popup-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.checkout-popup-content {
    position: relative;
    background: var(--bg-dark);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    z-index: 10001;
}

.checkout-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.checkout-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-color);
}

.checkout-popup-content h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: center;
}

.checkout-pack {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--glass-bg);
    border-radius: 10px;
    border: 1px solid var(--glass-border);
}

.checkout-pack p {
    font-size: 1.2rem;
    color: var(--text-light);
    font-weight: 600;
    margin: 0;
}

#checkoutForm {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input {
    padding: 0.9rem 1.2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-light);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group input::placeholder {
    color: var(--text-gray);
}

.checkout-info {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.6;
    text-align: center;
    margin: 0;
    padding: 1rem;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-up {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .checkout-popup-content {
        padding: 2rem 1.5rem;
        max-width: 95%;
        margin: 1rem;
    }
    
    .checkout-popup-content h2 {
        font-size: 1.5rem;
    }
    
    .checkout-close {
        top: 0.5rem;
        right: 0.5rem;
        font-size: 1.8rem;
        width: 35px;
        height: 35px;
    }
    
    .checkout-pack p {
        font-size: 1.1rem;
    }
    
    .form-group input {
        padding: 0.8rem 1rem;
        font-size: 0.95rem;
    }
    
    .checkout-info {
        font-size: 0.85rem;
        padding: 0.8rem;
    }
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 14, 39, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 3rem;
        transition: left 0.3s ease;
        border-top: 1px solid var(--glass-border);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
        width: 100%;
        text-align: center;
    }
    
    .nav-menu .nav-whatsapp {
        margin-left: 0;
        width: 80%;
        max-width: 250px;
        padding: 0.7rem 1.2rem;
        font-size: 0.85rem;
    }
    
    .hero {
        padding: 100px 1rem 60px;
    }
    
    .hero h1 {
        font-size: 2rem;
        line-height: 1.3;
        margin-bottom: 1.2rem;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 0.4rem 1.2rem;
        margin-bottom: 1.2rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .hero-subtitle p {
        margin-bottom: 0.8rem;
        font-size: 0.85rem;
        line-height: 1.6;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        margin-bottom: 2rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        padding: 0.9rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 0.75rem;
        align-items: stretch;
    }
    
    .feature-badge {
        justify-content: center;
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
    
    .section {
        padding: 60px 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
        line-height: 1.3;
        margin-bottom: 0.8rem;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }
    
    .features-grid,
    .pricing-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .pricing-card {
        padding: 2rem 1.5rem;
    }
    
    .price {
        font-size: 2.5rem;
    }
    
    .pricing-features {
        font-size: 0.9rem;
    }
    
    .pricing-features li {
        padding: 0.6rem 0;
        font-size: 0.85rem;
    }
    
    .feature-item {
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem;
    }
    
    .feature-number {
        min-width: auto;
        font-size: 2.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .feature-card h3 {
        font-size: 1.1rem;
    }
    
    .feature-card p {
        font-size: 0.9rem;
    }
    
    .activation-steps {
        grid-template-columns: 1fr;
    }
    
    .activation-step {
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem;
    }
    
    .step-number {
        min-width: auto;
        font-size: 2rem;
    }
    
    .step-content h3 {
        font-size: 1.2rem;
    }
    
    .step-content p {
        font-size: 0.9rem;
    }
    
    .activation-guide {
        padding: 2rem 1.5rem;
    }
    
    .activation-guide h3 {
        font-size: 1.5rem;
    }
    
    .activation-guide p {
        font-size: 0.95rem;
    }
    
    .discover-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .discover-feature {
        padding: 2rem 1.5rem;
    }
    
    .discover-icon {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .discover-feature h3 {
        font-size: 1.2rem;
    }
    
    .discover-feature p {
        font-size: 0.9rem;
    }
    
    .channels-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .channels-text {
        padding: 1.5rem 0;
        text-align: center;
    }
    
    .channels-title {
        text-align: center;
        font-size: 1.5rem;
    }
    
    .channels-description {
        font-size: 1rem;
        line-height: 1.7;
    }
    
    .channels-divider {
        margin-left: auto;
        margin-right: auto;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .testimonial-card {
        padding: 2rem 1.5rem;
    }
    
    .testimonial-text {
        font-size: 0.95rem;
    }
    
    .testimonial-author strong {
        font-size: 1rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .article-content {
        padding: 1.5rem;
    }
    
    .article-content h3 {
        font-size: 1.1rem;
    }
    
    .article-content p {
        font-size: 0.9rem;
    }
    
    .contact-card {
        padding: 2rem 1.5rem;
    }
    
    .contact-icon.whatsapp-icon {
        width: 56px;
        height: 56px;
    }
    
    .contact-icon.whatsapp-icon svg {
        width: 56px;
        height: 56px;
    }
    
    .contact-icon {
        font-size: 2.5rem;
    }
    
    .contact-card h3 {
        font-size: 1.3rem;
    }
    
    .contact-card p {
        font-size: 0.9rem;
    }
    
    .faq-question h3 {
        font-size: 1rem;
    }
    
    .faq-question {
        padding: 1.2rem;
    }
    
    .faq-answer p {
        font-size: 0.9rem;
    }
    
    .footer {
        padding: 3rem 1.5rem 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-section p {
        font-size: 0.9rem;
    }
    
    .footer-section h3,
    .footer-section h4 {
        font-size: 1.1rem;
    }
    
    .footer-section ul li {
        font-size: 0.9rem;
    }
    
    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .checkout-popup-content {
        padding: 2rem 1.5rem;
        max-width: 95%;
        margin: 1rem;
    }
    
    .checkout-popup-content h2 {
        font-size: 1.5rem;
    }
    
    .checkout-close {
        top: 0.5rem;
        right: 0.5rem;
        font-size: 1.8rem;
        width: 35px;
        height: 35px;
    }
    
    .checkout-pack p {
        font-size: 1.1rem;
    }
    
    .form-group input {
        padding: 0.8rem 1rem;
        font-size: 0.95rem;
    }
    
    .checkout-info {
        font-size: 0.85rem;
        padding: 0.8rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .hero-badge {
        font-size: 0.7rem;
        padding: 0.35rem 1rem;
    }
    
    .hero-subtitle {
        font-size: 0.85rem;
    }
    
    .hero-subtitle p {
        font-size: 0.8rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
    }
    
    .pricing-card {
        padding: 1.5rem 1.2rem;
    }
    
    .price {
        font-size: 2.2rem;
    }
    
    .pricing-features li {
        font-size: 0.8rem;
        padding: 0.5rem 0;
    }
    
    .feature-card {
        padding: 1.2rem;
    }
    
    .feature-card h3 {
        font-size: 1rem;
    }
    
    .contact-card {
        padding: 1.5rem 1.2rem;
    }
    
    .contact-icon.whatsapp-icon {
        width: 48px;
        height: 48px;
    }
    
    .contact-icon.whatsapp-icon svg {
        width: 48px;
        height: 48px;
    }
    
    .nav-brand h2 {
        font-size: 1.2rem;
    }
    
    .btn {
        padding: 0.85rem 1.3rem;
        font-size: 0.9rem;
    }
    
    .container {
        padding: 0 0.75rem;
    }
    
    .section {
        padding: 50px 0.75rem;
    }
    
    .checkout-popup {
        padding: 1rem;
    }
    
    .checkout-popup-content {
        padding: 1.5rem 1rem;
        max-width: 100%;
        border-radius: 15px;
    }
    
    .checkout-popup-content h2 {
        font-size: 1.3rem;
        margin-bottom: 0.8rem;
    }
    
    .checkout-pack {
        padding: 0.8rem;
        margin-bottom: 1.5rem;
    }
    
    .checkout-pack p {
        font-size: 1rem;
    }
    
    #checkoutForm {
        gap: 1.2rem;
    }
    
    .form-group label {
        font-size: 0.9rem;
    }
    
    .form-group input {
        padding: 0.75rem 0.9rem;
        font-size: 0.9rem;
    }
    
    .checkout-info {
        font-size: 0.8rem;
        padding: 0.7rem;
    }
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .animated-bg,
    .navbar,
    .scroll-top,
    .btn {
        display: none;
    }
    
    body {
        background: #fff;
        color: #000;
    }
}