/* ========================================
   ADDKEE - COMPLETE STYLESHEET
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

:root {
    --primary-color: #f97316;
    --primary-dark: #ea580c;
    --primary-light: #fb923c;
    --secondary-color: #dc2626;
    --bg-black: #000000;
    --bg-dark: #0a0a0a;
    --bg-card: #1a1a1a;
    --bg-hover: #262626;
    --text-white: #ffffff;
    --text-gray: #a3a3a3;
    --text-dark-gray: #737373;
    --border-color: #262626;
    --border-light: #404040;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
    --transition: all 0.3s ease;
}

[data-theme="light"] {
    --bg-black: #ffffff;
    --bg-dark: #f9fafb;
    --bg-card: #ffffff;
    --bg-hover: #f3f4f6;
    --text-white: #111827;
    --text-gray: #6b7280;
    --text-dark-gray: #9ca3af;
    --border-color: #e5e7eb;
    --border-light: #d1d5db;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-black);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.9);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-white);
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.desktop-nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-gray);
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--bg-hover);
    transform: scale(1.05);
}

.theme-toggle svg {
    color: var(--text-white);
}

.sun-icon {
    display: none;
}

[data-theme="light"] .sun-icon {
    display: block;
}

[data-theme="light"] .moon-icon {
    display: none;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-white);
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-nav {
    display: none;
    flex-direction: column;
    gap: 1rem;
    padding: 2rem 0 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: 1rem;
}

.mobile-nav.active {
    display: flex;
}

.mobile-link {
    padding: 0.75rem;
    color: var(--text-white);
    font-weight: 500;
    border-radius: 8px;
    transition: var(--transition);
}

.mobile-link:hover {
    background: var(--bg-hover);
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 6rem 2rem;
    overflow: hidden;
}

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

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

[data-theme="light"] .gradient-orb {
    opacity: 0.15;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--primary-color);
    top: -200px;
    right: -100px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary-color);
    bottom: -150px;
    left: -150px;
    animation-delay: 5s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: var(--info);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(30px, -30px); }
    66% { transform: translate(-30px, 30px); }
}

.hero-shape {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(249, 115, 22, 0.05) 100%);
    clip-path: polygon(30% 0%, 100% 0%, 100% 100%, 0% 100%);
}

.hero-container {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
}

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

.premium-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    margin-bottom: 2rem;
    animation: pulse 2s ease-in-out infinite;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse-dot 1.5s ease-in-out infinite;
}

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

.badge-text {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-white);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.125rem;
    transition: var(--transition);
    box-shadow: 0 10px 20px rgba(249, 115, 22, 0.3);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(249, 115, 22, 0.4);
}

.arrow-icon {
    transition: var(--transition);
}

.btn-primary:hover .arrow-icon {
    transform: translateX(5px);
}

.btn-secondary {
    padding: 1rem 2rem;
    background: transparent;
    color: var(--text-white);
    border: 2px solid var(--border-light);
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.125rem;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
}

.feature-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.1), rgba(251, 146, 60, 0.1));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon svg {
    color: var(--primary-color);
}

.feature-title {
    font-weight: 700;
    color: var(--text-white);
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.feature-desc {
    font-size: 0.875rem;
    color: var(--text-gray);
}

/* Courses Section */
.courses-section {
    padding: 5rem 2rem;
    background: var(--bg-dark);
}

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

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-gray);
}

.btn-view-all {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-white);
    font-weight: 600;
    transition: var(--transition);
}

.btn-view-all:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.horizontal-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.horizontal-scroll::-webkit-scrollbar {
    height: 8px;
}

.horizontal-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.horizontal-scroll::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.scroll-container {
    display: flex;
    gap: 2rem;
    padding-bottom: 1rem;
}

.course-card {
    flex: 0 0 350px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.course-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.card-image-wrapper {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.course-card:hover .card-image {
    transform: scale(1.1);
}

.discount-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.375rem 0.75rem;
    background: var(--error);
    color: white;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.875rem;
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.btn-view-course {
    padding: 0.75rem 1.5rem;
    background: white;
    color: var(--bg-black);
    border-radius: 8px;
    font-weight: 700;
    transition: var(--transition);
}

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

.card-content {
    padding: 1.5rem;
}

.course-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 0.5rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.course-title a:hover {
    color: var(--primary-color);
}

.course-author {
    font-size: 0.875rem;
    color: var(--text-gray);
    margin-bottom: 0.75rem;
}

.course-description {
    font-size: 0.9375rem;
    color: var(--text-dark-gray);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.course-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    color: var(--text-gray);
}

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

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.course-price {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.original-price {
    font-size: 1rem;
    color: var(--text-dark-gray);
    text-decoration: line-through;
}

.price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.btn-enroll {
    padding: 0.625rem 1.25rem;
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.9375rem;
    transition: var(--transition);
}

.btn-enroll:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.no-courses {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

.no-courses h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 0.75rem;
}

.no-courses p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

/* Stats Section */
.stats-section {
    padding: 5rem 2rem;
    background: var(--bg-black);
}

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

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: var(--transition);
}

.stat-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.stat-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.1), rgba(251, 146, 60, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    color: var(--primary-color);
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    color: var(--text-gray);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
    padding: 4rem 2rem 2rem;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-tagline {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 0.75rem;
}

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

.footer-links h4,
.footer-contact h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 1.25rem;
}

.footer-links a {
    display: block;
    color: var(--text-gray);
    margin-bottom: 0.75rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    transform: translateX(3px);
}

.footer-contact p {
    color: var(--text-gray);
    margin-bottom: 0.5rem;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-dark-gray);
    font-size: 0.9375rem;
}

.footer-bottom p {
    margin: 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding: 4rem 1.5rem;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.875rem;
    }
    
    .course-card {
        flex: 0 0 280px;
    }
}