/* ===== VARIABLES & THEME ===== */
:root {
    --bg-main: #060913;
    --bg-secondary: #0c1222;
    --bg-glass: rgba(12, 18, 34, 0.6);
    --bg-glass-hover: rgba(20, 30, 50, 0.8);
    
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    
    --accent-primary: #00f0ff;
    --accent-secondary: #0088ff;
    --accent-glow: 0 0 20px rgba(0, 240, 255, 0.5);
    
    --border-color: rgba(255, 255, 255, 0.1);
    
    --font-main: 'Outfit', sans-serif;
    
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 100px 0;
}

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

.highlight-text {
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-highlight {
    color: var(--accent-primary);
}

.w-100 {
    width: 100%;
}

/* ===== UTILITIES ===== */
.glass-panel {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: var(--transition-smooth);
}

.glass-panel:hover {
    background: var(--bg-glass-hover);
    border-color: rgba(0, 240, 255, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-block;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #000;
    font-weight: 600;
    border-radius: 30px;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--accent-glow);
    text-align: center;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
    color: #fff;
}

.btn-secondary {
    display: inline-block;
    padding: 12px 28px;
    background: transparent;
    color: var(--text-primary);
    font-weight: 500;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(0, 240, 255, 0.05);
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: var(--transition-fast);
}

.navbar.scrolled {
    background: rgba(6, 9, 19, 0.9);
    padding: 15px 5%;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 1px;
}

.logo i {
    color: var(--accent-primary);
    font-size: 1.8rem;
    filter: drop-shadow(0 0 10px var(--accent-primary));
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: var(--transition-fast);
}

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

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* ===== HERO SECTION ===== */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 0 5%;
    background: url('hero.jpg') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, #060913 20%, rgba(6, 9, 19, 0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 700px;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

/* ===== SECTION TITLES ===== */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.section-title p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

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

.feature-card {
    padding: 40px 30px;
    text-align: center;
}

.icon-wrap {
    width: 70px;
    height: 70px;
    background: rgba(0, 240, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--accent-primary);
    box-shadow: inset 0 0 20px rgba(0, 240, 255, 0.2);
    transition: var(--transition-fast);
}

.feature-card:hover .icon-wrap {
    background: var(--accent-primary);
    color: #000;
    box-shadow: var(--accent-glow);
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== PRODUCTS SECTION ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.product-card {
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

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

.badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent-primary);
    color: #000;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    box-shadow: var(--accent-glow);
}

.badge.pro {
    background: linear-gradient(135deg, #ff00ff, #8a2be2);
    color: white;
    box-shadow: 0 0 15px rgba(255, 0, 255, 0.5);
}

.product-info {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-info h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.product-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.specs {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.specs li {
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: #ccc;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ===== STATS SECTION ===== */
.stats-section {
    position: relative;
    padding: 100px 0;
    background: url('https://images.unsplash.com/photo-1517420704952-d9f39e95b43e?auto=format&fit=crop&q=80&w=2070') center/cover fixed;
}

.stats-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(6, 9, 19, 0.85);
    backdrop-filter: blur(5px);
}

.relative { position: relative; }
.z-10 { z-index: 10; }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item h2 {
    font-size: 3.5rem;
    display: inline;
    color: var(--accent-primary);
    font-weight: 900;
    text-shadow: var(--accent-glow);
}

.stat-item span {
    font-size: 2rem;
    color: var(--accent-primary);
    font-weight: 700;
}

.stat-item p {
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 1px;
    margin-top: 10px;
}

/* ===== CONTACT SECTION ===== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    overflow: hidden;
}

.contact-info {
    padding: 60px;
    background: rgba(0, 0, 0, 0.2);
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.icon-circle {
    width: 50px;
    height: 50px;
    background: rgba(0, 240, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 1.2rem;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.contact-link {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.contact-link:hover {
    color: var(--accent-primary);
}

.contact-form {
    padding: 60px;
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    color: white;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
}

.form-group label {
    position: absolute;
    top: 15px;
    left: 15px;
    color: var(--text-secondary);
    pointer-events: none;
    transition: var(--transition-fast);
}

.form-group input:focus ~ label,
.form-group input:valid ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label {
    top: -10px;
    left: 10px;
    font-size: 0.8rem;
    background: var(--bg-secondary);
    padding: 0 5px;
    color: var(--accent-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: transparent;
}

select option {
    background: var(--bg-main);
    color: white;
}

/* ===== FOOTER ===== */
footer {
    background: #02040a;
    border-top: 1px solid var(--border-color);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin: 20px 0;
    max-width: 300px;
}

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

.socials a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.socials a:hover {
    background: var(--accent-primary);
    color: #000;
    box-shadow: var(--accent-glow);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: white;
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 10px;
    transition: var(--transition-fast);
}

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

.footer-contact p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .nav-links, .navbar .btn-primary {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
}