/* CSS Variables */
:root {
    --primary-color: #6366f1; /* Indigo 500 */
    --primary-hover: #4f46e5;
    --secondary-color: #ec4899; /* Pink 500 */
    --bg-color: #0f172a; /* Slate 900 - Dark mode default */
    --surface-color: #1e293b; /* Slate 800 */
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --success: #10b981;
    --danger: #ef4444;
    --font-family: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

/* Header */
.header {
    background-color: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -1px;
}

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

.main-nav a {
    margin: 0 15px;
    font-weight: 600;
    color: var(--text-muted);
}

.main-nav a:hover, .main-nav a.active {
    color: #fff;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.action-btn {
    background: var(--surface-color);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    border: 1px solid var(--border-color);
}

.action-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.cart-btn {
    position: relative;
    padding: 10px 15px;
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--secondary-color);
    color: #fff;
    font-size: 12px;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: bold;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-family);
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(99, 102, 241, 0.4);
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at top right, rgba(99,102,241,0.15) 0%, transparent 40%),
                radial-gradient(circle at bottom left, rgba(236,72,153,0.1) 0%, transparent 40%);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-text h1 {
    font-size: 64px;
    line-height: 1.1;
    margin-bottom: 20px;
}

.highlight {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-image img {
    width: 100%;
    height: auto;
}

/* Features */
.features {
    padding: 100px 0;
    background-color: var(--surface-color);
}

.section-title {
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    margin-bottom: 10px;
}

.text-center {
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-color);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.feature-card .icon {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 22px;
}

.feature-card p {
    color: var(--text-muted);
}

/* Footer */
.footer {
    background-color: #020617;
    padding: 80px 0 0;
    border-top: 1px solid var(--border-color);
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-logo {
    display: block;
    margin-bottom: 20px;
}

.brand-col p {
    color: var(--text-muted);
    margin-bottom: 20px;
    max-width: 300px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface-color);
    margin-right: 10px;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-3px);
}

.footer-col h3 {
    font-size: 20px;
    margin-bottom: 25px;
    color: #fff;
}

.footer-col a {
    display: block;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.footer-col a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-bottom {
    background: #000;
    padding: 20px 0;
    text-align: center;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
}

/* AI Chatbot */
.ai-chatbot {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.chatbot-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.4);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.chatbot-toggle:hover {
    transform: scale(1.1);
}

.chatbot-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 350px;
    height: 450px;
    background: var(--surface-color);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0);
    transform-origin: bottom right;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.chatbot-window.active {
    transform: scale(1);
}

.chatbot-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chatbot-header h3 {
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-chat {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 18px;
}

.chatbot-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 15px;
    font-size: 14px;
    line-height: 1.4;
}

.bot-message {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    align-self: flex-start;
    border-bottom-left-radius: 5px;
}

.user-message {
    background: var(--primary-color);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 5px;
}

.chatbot-input {
    padding: 15px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
    background: var(--bg-color);
}

.chatbot-input input {
    flex: 1;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: white;
    padding: 10px 15px;
    border-radius: 20px;
    outline: none;
    font-family: var(--font-family);
}

.chatbot-input input:focus {
    border-color: var(--primary-color);
}

.chatbot-input button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.chatbot-input button:hover {
    background: var(--primary-hover);
}

/* Animations */
.animate-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

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

.animate-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Hero Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-secondary {
    background: var(--surface-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    box-shadow: none;
}

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

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

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

.hero-stats .stat strong {
    font-size: 24px;
    color: #fff;
}

.hero-stats .stat span {
    font-size: 14px;
    color: var(--text-muted);
}

.hero-image img {
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

/* Section Badge */
.section-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-color);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

/* ---- PRODUCTS SECTION ---- */
.products-section {
    padding: 100px 0;
    background: var(--bg-color);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 10px;
}

.product-card {
    background: var(--surface-color);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    border-color: var(--primary-color);
}

.product-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    z-index: 2;
}

.product-badge.new-badge {
    background: linear-gradient(135deg, #10b981, #059669);
}

.product-img {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(236,72,153,0.08));
}

.product-icon {
    font-size: 64px;
    color: var(--primary-color);
    opacity: 0.7;
    transition: var(--transition);
}

.product-card:hover .product-icon {
    transform: scale(1.15);
    opacity: 1;
}

.product-info {
    padding: 24px;
}

.product-info h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.product-info p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 16px;
}

.product-price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 16px;
}

.product-price .price {
    font-size: 24px;
    font-weight: 800;
    color: #fff;
}

.product-price small {
    color: var(--text-muted);
    font-size: 13px;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
}

/* ---- HOW IT WORKS ---- */
.how-section {
    padding: 100px 0;
    background: var(--surface-color);
}

.how-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.step {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    max-width: 280px;
    flex: 1;
    transition: var(--transition);
}

.step:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    font-size: 22px;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step h3 {
    margin-bottom: 10px;
    font-size: 20px;
}

.step p {
    color: var(--text-muted);
    font-size: 14px;
}

.step-arrow {
    color: var(--primary-color);
    font-size: 24px;
    opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 50px;
    }
    
    .hero-text h1 { font-size: 36px; }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 24px;
    }

    .main-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hide-mobile {
        display: none;
    }
    
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .how-steps {
        flex-direction: column;
    }
}