/* ========================================
   WhatCRM Pro DocCenter - Netflix Style
   ======================================== */

:root {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-card: #141414;
    --bg-hover: #1a1a1a;

    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #808080;

    --accent: #00d4aa;
    --accent-dark: #00a88a;
    --accent-glow: rgba(0, 212, 170, 0.4);

    --gradient: linear-gradient(135deg, #00d4aa 0%, #00b894 50%, #00cec9 100%);
    --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.6);
    --glow: 0 0 60px var(--accent-glow);

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.15s ease;
}

* {
    margin: 0;
    padding: 0;
    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;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.7) 50%, transparent 100%);
    padding: 0 40px;
    transition: background var(--transition);
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    border-radius: var(--radius-sm);
    color: #000;
}

.logo-icon svg {
    width: 22px;
    height: 22px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-main {
    font-size: 1.2rem;
    font-weight: 800;
}

.logo-sub {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.accent {
    color: var(--accent);
}

.nav {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.btn-icon svg {
    width: 18px;
    height: 18px;
}

.btn-icon:hover {
    background: #25D366;
    border-color: #25D366;
    color: white;
    transform: scale(1.05);
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--gradient);
    color: #000;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.btn-primary svg {
    width: 16px;
    height: 16px;
}

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

/* ========================================
   Hero
   ======================================== */
.hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    padding: 120px 40px 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 170, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(102, 126, 234, 0.1), transparent),
        linear-gradient(to bottom, var(--bg-primary), var(--bg-secondary));
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black, transparent 70%);
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 24px;
}

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

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        box-shadow: 0 0 0 0 var(--accent-glow);
    }

    50% {
        opacity: 0.7;
        box-shadow: 0 0 0 8px transparent;
    }
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

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

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.stat:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.stat-icon {
    font-size: 1.5rem;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 0.95rem;
    font-weight: 600;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ========================================
   Featured Video
   ======================================== */
.featured {
    padding: 40px 40px 60px;
}

.featured-card {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 212, 170, 0.05) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.featured-card:hover {
    border-color: var(--accent);
    transform: scale(1.01);
    box-shadow: var(--glow);
}

.featured-video {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.featured-video img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.featured-card:hover .featured-video img {
    transform: scale(1.05);
}

.featured-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.featured-card:hover .featured-overlay {
    opacity: 1;
}

.play-btn-large {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    border: none;
    border-radius: 50%;
    color: #000;
    cursor: pointer;
    transform: scale(0.8);
    transition: var(--transition);
}

.play-btn-large svg {
    width: 32px;
    height: 32px;
    margin-left: 4px;
}

.featured-card:hover .play-btn-large {
    transform: scale(1);
}

.featured-badge-new {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 8px 16px;
    background: var(--gradient);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #000;
}

.featured-info {
    padding: 40px 40px 40px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-category {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 12px;
}

.featured-info h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.featured-info p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.featured-meta {
    display: flex;
    gap: 24px;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.featured-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.featured-meta svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   Videos Grid
   ======================================== */
.videos-section {
    padding: 20px 40px 80px;
}

.category-section {
    margin-bottom: 48px;
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.category-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
}

.category-icon {
    font-size: 1.2rem;
}

.category-count {
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: 4px 12px;
    background: var(--bg-card);
    border-radius: 100px;
}

.videos-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.video-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.video-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.video-card.featured-small {
    border-color: var(--accent);
}

.video-thumb {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.video-card:hover .video-thumb img {
    transform: scale(1.08);
}

.video-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.video-card:hover .video-overlay {
    opacity: 1;
}

.play-btn {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    border-radius: 50%;
    color: #000;
    transform: scale(0.8);
    transition: var(--transition);
}

.play-btn svg {
    width: 24px;
    height: 24px;
    margin-left: 3px;
}

.video-card:hover .play-btn {
    transform: scale(1);
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.85);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.video-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 4px 10px;
    background: var(--gradient);
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    color: #000;
}

.video-info {
    padding: 16px;
}

.video-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.3;
}

.video-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    padding: 40px 40px 80px;
}

.cta-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 48px 56px;
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 212, 170, 0.08) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
}

.cta-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.cta-content p {
    color: var(--text-secondary);
}

.cta-actions {
    display: flex;
    gap: 16px;
    flex-shrink: 0;
}

.btn-cta {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.btn-cta svg {
    width: 18px;
    height: 18px;
}

.btn-whatsapp {
    background: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background: #20bd5a;
    transform: translateY(-2px);
}

.btn-primary-cta {
    background: var(--gradient);
    color: #000;
}

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

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 64px 40px 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.footer-logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    border-radius: var(--radius-sm);
    color: #000;
}

.footer-logo-icon svg {
    width: 18px;
    height: 18px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 300px;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-social a svg {
    width: 18px;
    height: 18px;
}

.footer-social a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #000;
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h4 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-col a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 6px 0;
    transition: var(--transition-fast);
}

.footer-col a:hover {
    color: var(--accent);
    padding-left: 8px;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

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

/* ========================================
   Modal
   ======================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    cursor: pointer;
}

.modal-container {
    position: relative;
    width: 90%;
    max-width: 1100px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
}

.modal.active .modal-container {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-close:hover {
    background: var(--accent);
    color: #000;
}

.modal-header {
    padding: 24px 32px;
    background: linear-gradient(to right, rgba(0, 212, 170, 0.1), transparent);
}

.modal-category {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 8px;
    display: block;
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.modal-video {
    position: relative;
    padding-bottom: 56.25%;
}

.modal-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .container {
        padding: 0 24px;
    }

    .header {
        padding: 0 24px;
    }

    .hero {
        padding: 100px 24px 40px;
    }

    .featured-card {
        grid-template-columns: 1fr;
    }

    .featured-info {
        padding: 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .cta-card {
        flex-direction: column;
        text-align: center;
        padding: 40px 32px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .hero-stats {
        flex-direction: column;
    }

    .stat {
        width: 100%;
    }

    .videos-row {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr 1fr;
    }

    .cta-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn-cta {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .featured,
    .videos-section,
    .cta-section,
    .footer {
        padding-left: 16px;
        padding-right: 16px;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}