/* ========================================
   DJ REMCO - Style Sheet
   Inspired by Edisons.be
   ======================================== */

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #00d4ff;
    --primary-dark: #00a8cc;
    --accent: #9d4edd;
    --bg-dark: #0a0a0a;
    --bg-card: #141414;
    --bg-card-hover: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    --transition: all 0.3s ease;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

/* Typography */
h1, h2, h3, h4, h5 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(3rem, 12vw, 8rem);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient);
    color: var(--bg-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--text-primary);
}

.btn-outline:hover {
    background: var(--text-primary);
    color: var(--bg-dark);
}

.btn-small {
    padding: 10px 20px;
    font-size: 0.85rem;
}

.btn-large {
    padding: 18px 48px;
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    padding: 12px 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.8rem;
    letter-spacing: 0.1em;
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--text-primary);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-cta {
    padding: 10px 24px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid var(--text-secondary);
    border-radius: 4px;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.3) 0%, rgba(10, 10, 10, 0.7) 100%);
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1000px;
    padding: 0 24px;
}

.hero-title {
    margin-bottom: 24px;
    text-shadow: 0 4px 60px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-services {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--primary);
    margin-bottom: 48px;
}

.hero-services .dot {
    color: var(--text-muted);
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--text-muted), transparent);
    animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* Intro Section */
.intro {
    padding: 120px 0;
    background: var(--bg-dark);
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.intro-content h2 {
    margin-bottom: 32px;
}

.intro-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: var(--bg-card);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--bg-dark);
    padding: 48px 32px;
    border-radius: 8px;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 24px;
}

.service-card h3 {
    margin-bottom: 16px;
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.service-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
}

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

/* Projects Section */
.projects {
    padding: 100px 0;
    background: var(--bg-dark);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header p {
    color: var(--text-secondary);
    margin-top: 12px;
}

.section-header a {
    color: var(--primary);
}

.projects-carousel {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 20px 0;
    -webkit-overflow-scrolling: touch;
}

.projects-carousel::-webkit-scrollbar {
    display: none;
}

.project-card {
    flex: 0 0 300px;
    scroll-snap-align: start;
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-6px);
}

.project-image {
    height: 400px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.project-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(10, 10, 10, 0.9) 0%, transparent 50%);
}

.project-card h4 {
    position: relative;
    margin-top: -60px;
    padding: 0 20px 20px;
    z-index: 2;
}

/* Equipment Preview */
.equipment-preview {
    padding: 100px 0;
    background: var(--bg-card);
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.equipment-card {
    background: var(--bg-dark);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.equipment-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.equipment-image {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.equipment-info {
    padding: 24px;
}

.equipment-category {
    font-size: 0.8rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.equipment-info h4 {
    margin: 12px 0 8px;
}

.equipment-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.equipment-price {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
}

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

/* Clients Section */
.clients {
    padding: 80px 0;
    background: var(--bg-dark);
    border-top: 1px solid var(--bg-card-hover);
    border-bottom: 1px solid var(--bg-card-hover);
}

.clients h3 {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 40px;
}

.clients-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 48px;
}

.client-logo {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.5rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    opacity: 0.5;
    transition: var(--transition);
}

.client-logo:hover {
    opacity: 1;
    color: var(--text-primary);
}

/* CTA Section */
.cta-section {
    padding: 120px 0;
    background: var(--gradient);
    text-align: center;
}

.cta-section h2 {
    color: var(--bg-dark);
    margin-bottom: 16px;
}

.cta-section p {
    color: var(--bg-dark);
    opacity: 0.8;
    margin-bottom: 32px;
    font-size: 1.1rem;
}

.cta-section .btn-primary {
    background: var(--bg-dark);
    color: var(--text-primary);
}

.cta-section .btn-primary:hover {
    background: var(--bg-card);
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    background: var(--bg-card);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-col h4 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.5rem;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.footer-col h5 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 20px;
}

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

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid var(--bg-card-hover);
}

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

.social-links {
    display: flex;
    gap: 24px;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-dark);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 32px;
    }

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

    .nav-menu a {
        font-size: 1.5rem;
    }

    .nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-services {
        flex-direction: column;
        gap: 8px;
    }

    .hero-services .dot {
        display: none;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

/* Page specific styles */
.page-header {
    padding: 180px 0 80px;
    background: var(--bg-card);
    text-align: center;
}

.page-header h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    margin-bottom: 16px;
}

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

/* About page */
.about-content {
    padding: 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text h2 {
    margin-bottom: 24px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.about-image {
    height: 500px;
    background-size: cover;
    background-position: center;
    border-radius: 8px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    padding: 80px 0;
    background: var(--bg-card);
}

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

.stat-number {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 4rem;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 8px;
}

/* Equipment page */
.equipment-section {
    padding: 60px 0;
}

.equipment-section:nth-child(even) {
    background: var(--bg-card);
}

.equipment-section h2 {
    margin-bottom: 40px;
}

.equipment-full-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.equipment-full-card {
    background: var(--bg-dark);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.equipment-section:nth-child(even) .equipment-full-card {
    background: var(--bg-card-hover);
}

.equipment-full-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.equipment-full-image {
    height: 220px;
    background-size: cover;
    background-position: center;
}

.equipment-full-info {
    padding: 24px;
}

.equipment-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0;
}

.spec-tag {
    background: var(--bg-card);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Contact page */
.contact-section {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info h2 {
    margin-bottom: 24px;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.contact-details {
    list-style: none;
}

.contact-details li {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.contact-details .icon {
    font-size: 1.5rem;
}

.contact-form {
    background: var(--bg-card);
    padding: 48px;
    border-radius: 8px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--bg-card-hover);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-submit {
    width: 100%;
}

@media (max-width: 768px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .contact-form {
        padding: 32px 24px;
    }

    /* Hero mobile - 隐藏视频，用背景图 */
    .hero-video {
        display: none !important;
    }

    .hero-bg {
        background: 
            linear-gradient(180deg, rgba(10, 10, 10, 0.5) 0%, rgba(10, 10, 10, 0.9) 100%),
            url('https://images.unsplash.com/photo-1470225620780-dba8ba36b745?w=1200') center/cover !important;
        z-index: 1 !important;
    }

    /* R3ACT UNIT section mobile */
    .r3act-section .container > div {
        grid-template-columns: 1fr !important;
        gap: 32px !important;
        text-align: center;
    }

    .r3act-section h2 {
        font-size: 2rem;
    }

    /* Services grid mobile */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* Equipment grid mobile */
    .equipment-grid {
        grid-template-columns: 1fr;
    }

    /* Projects carousel mobile */
    .projects-carousel {
        flex-direction: column;
        gap: 16px;
    }

    .project-card {
        width: 100%;
    }
}