/* ============================================
   APEX GEAR - Vêtements Techniques
   Design Moderne & Sportif
   ============================================ */

:root {
    --primary: #00d4ff;
    --primary-dark: #00a8cc;
    --accent: #ff6b35;
    --noir: #0d0d0d;
    --noir-light: #1a1a1a;
    --noir-card: #141414;
    --gris-dark: #2a2a2a;
    --gris: #666;
    --gris-light: #999;
    --blanc: #ffffff;
    --blanc-off: #f5f5f5;
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, #ff4444 100%);
    --font-heading: 'Bebas Neue', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--noir);
    color: var(--blanc);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

h1 {
    font-size: clamp(3rem, 10vw, 8rem);
    line-height: 0.9;
}

h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    color: var(--gris-light);
}

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

a:hover {
    color: var(--blanc);
}

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

.section {
    padding: 8rem 0;
}

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

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

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

.bg-dark {
    background: var(--noir-light);
}

.bg-gradient {
    background: linear-gradient(180deg, var(--noir) 0%, var(--noir-light) 100%);
}

/* Tags */
.tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.tag-filled {
    background: var(--primary);
    color: var(--noir);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 2px solid var(--primary);
    background: transparent;
    color: var(--primary);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary);
    transition: var(--transition);
    z-index: -1;
}

.btn:hover {
    color: var(--noir);
}

.btn:hover::before {
    left: 0;
}

.btn-filled {
    background: var(--gradient-primary);
    border: none;
    color: var(--noir);
}

.btn-filled::before {
    background: var(--blanc);
}

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

.btn-accent::before {
    background: var(--accent);
}

.btn-accent:hover {
    color: var(--blanc);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(20px);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--blanc);
    letter-spacing: 0.1em;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--blanc);
    position: relative;
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
                linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.6)),
                url('https://images.unsplash.com/photo-1556906781-9a412961c28c?w=1920') center/cover;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content .tag {
    margin-bottom: 1.5rem;
}

.hero-content h1 {
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gris-dark);
}

.stat {
    text-align: left;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gris-light);
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    max-height: 600px;
    object-fit: contain;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--noir-card);
    padding: 2.5rem;
    border: 1px solid var(--gris-dark);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

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

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--blanc);
}

/* Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.product-card {
    background: var(--noir-card);
    border: 1px solid var(--gris-dark);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.product-card:hover {
    border-color: var(--primary);
}

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.4rem 1rem;
    background: var(--accent);
    color: var(--blanc);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 2;
}

.product-image {
    height: 350px;
    overflow: hidden;
    background: linear-gradient(180deg, var(--gris-dark) 0%, var(--noir-card) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-info {
    padding: 1.5rem;
}

.product-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.product-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--blanc);
}

.product-info p {
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.product-price {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--blanc);
}

.product-colors {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.color-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--gris-dark);
    cursor: pointer;
    transition: var(--transition);
}

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

/* Categories */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.category-card {
    position: relative;
    height: 400px;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
}

.category-card img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.category-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(0,0,0,0.9) 0%, transparent 60%);
}

.category-content {
    position: relative;
    z-index: 1;
    padding: 2rem;
    width: 100%;
}

.category-content h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.category-content p {
    color: var(--gris-light);
    margin-bottom: 1.5rem;
}

/* Technology */
.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.tech-image {
    position: relative;
}

.tech-image img {
    width: 100%;
    border: 1px solid var(--gris-dark);
}

.tech-list {
    list-style: none;
}

.tech-item {
    display: flex;
    gap: 1.5rem;
    padding: 2rem 0;
    border-bottom: 1px solid var(--gris-dark);
}

.tech-item:first-child {
    padding-top: 0;
}

.tech-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--primary);
    line-height: 1;
}

.tech-item h4 {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: none;
    margin-bottom: 0.5rem;
    color: var(--blanc);
}

/* Testimonials */
.testimonials-slider {
    max-width: 900px;
    margin: 0 auto;
}

.testimonial {
    text-align: center;
    padding: 3rem;
}

.testimonial-quote {
    font-size: 1.5rem;
    line-height: 1.8;
    color: var(--blanc);
    margin-bottom: 2rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-info h4 {
    font-family: var(--font-body);
    font-weight: 600;
    text-transform: none;
    color: var(--blanc);
}

.testimonial-info span {
    font-size: 0.85rem;
    color: var(--primary);
}

/* Newsletter */
.newsletter {
    background: var(--gradient-primary);
    padding: 5rem 0;
}

.newsletter-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}

.newsletter h2 {
    color: var(--noir);
    margin-bottom: 0.5rem;
}

.newsletter p {
    color: var(--noir);
    opacity: 0.8;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
}

.newsletter-form input {
    padding: 1rem 1.5rem;
    min-width: 300px;
    background: rgba(0,0,0,0.2);
    border: none;
    color: var(--blanc);
    font-family: var(--font-body);
}

.newsletter-form input::placeholder {
    color: rgba(255,255,255,0.6);
}

.newsletter-form .btn {
    border-color: var(--noir);
    color: var(--noir);
}

.newsletter-form .btn::before {
    background: var(--noir);
}

.newsletter-form .btn:hover {
    color: var(--primary);
}

/* Footer */
.footer {
    background: var(--noir-light);
    padding: 5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand .logo {
    margin-bottom: 1.5rem;
    display: inline-block;
}

.footer-brand p {
    margin-bottom: 1.5rem;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border: 1px solid var(--gris-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    border-color: var(--primary);
    background: var(--primary);
    color: var(--noir);
}

.footer h4 {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    color: var(--blanc);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--gris-light);
    font-size: 0.95rem;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--gris-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.85rem;
}

/* Page Hero */
.page-hero {
    height: 50vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
}

.page-hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.8)),
                url('https://images.unsplash.com/photo-1571902943202-507ec2618e8f?w=1920') center/cover;
}

.page-hero-content {
    position: relative;
    z-index: 1;
}

.page-hero-content .tag {
    margin-bottom: 1rem;
}

/* Catalogue Page */
.filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.8rem 1.5rem;
    background: transparent;
    border: 1px solid var(--gris-dark);
    color: var(--gris-light);
    font-family: var(--font-body);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--primary);
    color: var(--primary);
}

/* Product Detail */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.product-gallery {
    position: sticky;
    top: 100px;
}

.product-main-image {
    background: var(--noir-card);
    border: 1px solid var(--gris-dark);
    margin-bottom: 1rem;
}

.product-main-image img {
    width: 100%;
    height: 500px;
    object-fit: contain;
}

.product-thumbnails {
    display: flex;
    gap: 1rem;
}

.product-thumb {
    width: 80px;
    height: 80px;
    background: var(--noir-card);
    border: 1px solid var(--gris-dark);
    cursor: pointer;
    transition: var(--transition);
}

.product-thumb:hover,
.product-thumb.active {
    border-color: var(--primary);
}

.product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-details h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.product-rating {
    color: var(--accent);
    margin-bottom: 1rem;
}

.product-price-detail {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 2rem;
}

.product-options {
    margin-bottom: 2rem;
}

.option-label {
    font-weight: 600;
    margin-bottom: 0.8rem;
    display: block;
}

.size-options {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.size-btn {
    width: 50px;
    height: 50px;
    border: 1px solid var(--gris-dark);
    background: transparent;
    color: var(--blanc);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.size-btn:hover,
.size-btn.active {
    border-color: var(--primary);
    background: var(--primary);
    color: var(--noir);
}

.product-specs {
    background: var(--noir-card);
    padding: 2rem;
    margin-top: 3rem;
    border: 1px solid var(--gris-dark);
}

.product-specs h4 {
    font-family: var(--font-body);
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: none;
}

.specs-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--gris-dark);
}

.spec-item span:first-child {
    color: var(--gris-light);
}

/* Responsive */
@media (max-width: 1024px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--noir);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: var(--transition);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-grid,
    .tech-grid,
    .product-detail {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 5rem 0;
    }

    .features-grid,
    .products-grid,
    .categories-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .newsletter-content {
        flex-direction: column;
        text-align: center;
    }

    .newsletter-form {
        flex-direction: column;
        width: 100%;
    }

    .newsletter-form input {
        min-width: auto;
        width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .product-gallery {
        position: relative;
        top: 0;
    }

    .specs-list {
        grid-template-columns: 1fr;
    }
}