/* ========================================
   DG Ads - Dark Premium Theme
   ======================================== */

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

:root {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #111111;
    --bg-card: #0f0f0f;
    --bg-card-hover: #1a1a1a;
    --accent: #c9a84c;
    --accent-hover: #dbb960;
    --accent-dark: #a88a3a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #555555;
    --border-color: #1e1e1e;
    --border-light: #2a2a2a;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-accent: 0 4px 20px rgba(201, 168, 76, 0.15);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

/* ========================================
   Preloader
   ======================================== */
#preloader {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

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

.preloader-logo {
    width: 220px;
    height: auto;
    margin-bottom: 32px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px;
    animation: pulse 1.5s ease-in-out infinite;
}

.preloader-bar {
    width: 200px;
    height: 3px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.preloader-progress {
    height: 100%;
    width: 0;
    background: var(--accent);
    border-radius: 3px;
    animation: preloaderProgress 1.5s ease forwards;
}

@keyframes preloaderProgress {
    to { width: 100%; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(0.95); }
}

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

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo img {
    height: 55px;
    width: auto;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.15);
    padding: 2px;
    transition: all var(--transition);
}

.navbar.scrolled .logo img {
    height: 45px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    display: inline-block;
    padding: 8px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.5px;
    transition: color var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 20px;
    right: 20px;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform var(--transition);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
    padding: 4px;
}

.hamburger span {
    width: 28px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

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

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.85) 0%,
        rgba(0, 0, 0, 0.6) 50%,
        rgba(0, 0, 0, 0.8) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 24px;
}

.hero-tag {
    display: inline-block;
    padding: 8px 24px;
    background: rgba(201, 168, 76, 0.15);
    border: 1px solid rgba(201, 168, 76, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease 0.3s forwards;
}

.hero h1 {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease 0.5s forwards;
}

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

.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease 0.7s forwards;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease 0.9s forwards;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 6px;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
}

.btn-primary {
    background: var(--accent);
    color: #000;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-primary i {
    transition: transform var(--transition);
}

.btn-primary:hover i {
    transform: translateX(4px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease 1.1s forwards;
}

.hero-stat strong {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.hero-stat span {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0;
    animation: fadeIn 1s ease 1.5s forwards;
}

.scroll-indicator span {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { opacity: 0; transform: scaleY(0); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); }
}

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

@keyframes fadeIn {
    to { opacity: 1; }
}

/* ========================================
   Section Common Styles
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(201, 168, 76, 0.1);
    border: 1px solid rgba(201, 168, 76, 0.2);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-title--left {
    text-align: left;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

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

.services-carousel {
    position: relative;
    overflow: hidden;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 24px;
}

.service-card {
    flex: 0 0 calc(33.333% - 16px);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 36px 28px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    transform: scaleX(0);
    transition: transform var(--transition);
}

.service-card:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 168, 76, 0.1);
    border-radius: 14px;
    margin-bottom: 20px;
    font-size: 1.4rem;
    color: var(--accent);
    transition: all var(--transition);
}

.service-card:hover .service-icon {
    background: var(--accent);
    color: #000;
    transform: scale(1.05);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.service-card > p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.service-features li i {
    color: var(--accent);
    font-size: 0.7rem;
}

/* Carousel Controls */
.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.carousel-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--border-light);
    background: var(--bg-card);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.9rem;
}

.carousel-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #000;
}

.carousel-dots {
    display: flex;
    gap: 8px;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-light);
    cursor: pointer;
    transition: all var(--transition);
    border: none;
}

.carousel-dot.active {
    background: var(--accent);
    width: 28px;
    border-radius: 5px;
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: 100px 0;
    background: var(--bg-primary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-content .section-tag {
    margin-bottom: 16px;
}

.about-content > p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.about-feature > i {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 168, 76, 0.1);
    border-radius: 10px;
    color: var(--accent);
    font-size: 1rem;
}

.about-feature h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.about-feature p {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

/* Stats Grid */
.about-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-accent);
}

.stat-icon {
    position: absolute;
    top: 16px;
    right: 16px;
    color: rgba(201, 168, 76, 0.15);
    font-size: 1.5rem;
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ========================================
   Clients Section
   ======================================== */
.clients {
    padding: 100px 0;
    background: var(--bg-secondary);
}

/* Marquee */
.clients-marquee {
    margin-bottom: 60px;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
    display: flex;
    gap: 40px;
    animation: marquee 25s linear infinite;
    width: max-content;
}

.client-item {
    flex-shrink: 0;
}

.client-logo-placeholder {
    padding: 20px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    transition: all var(--transition);
}

.client-logo-placeholder:hover {
    border-color: var(--accent);
    color: var(--accent);
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Testimonials */
.testimonials {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.testimonial-card {
    display: none;
    text-align: center;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    animation: fadeIn 0.5s ease;
}

.testimonial-card.active {
    display: block;
}

.testimonial-stars {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 20px;
    color: var(--accent);
    font-size: 0.9rem;
}

.testimonial-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 28px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent);
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.testimonial-author strong {
    display: block;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.testimonial-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 28px;
}

.testimonial-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-light);
    background: transparent;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.8rem;
}

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

.testimonial-dots {
    display: flex;
    gap: 6px;
}

.testimonial-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-light);
    cursor: pointer;
    transition: all var(--transition);
    border: none;
}

.testimonial-dot.active {
    background: var(--accent);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: 100px 0;
    background: var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.contact-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition);
}

.contact-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-accent);
}

.contact-card-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 168, 76, 0.1);
    border-radius: 14px;
    font-size: 1.3rem;
    color: var(--accent);
    transition: all var(--transition);
}

.contact-card:hover .contact-card-icon {
    background: var(--accent);
    color: #000;
}

.contact-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.contact-card > p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    transition: all var(--transition);
}

.contact-link:hover {
    gap: 10px;
}

.contact-link i {
    font-size: 0.75rem;
}

/* Contact Social */
.contact-social {
    text-align: center;
}

.contact-social > p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.social-icons a {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-light);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: all var(--transition);
}

.social-icons a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #000;
    transform: translateY(-3px);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    padding-top: 80px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-logo {
    display: inline-block;
    margin-bottom: 16px;
}

.footer-logo img {
    height: 55px;
    width: auto;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.15);
    padding: 2px;
}

.footer-brand > p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-light);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: all var(--transition);
}

.footer-social a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #000;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links ul,
.footer-contact ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition);
}

.footer-links ul li a:hover {
    color: var(--accent);
}

.footer-contact ul li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-contact ul li i {
    color: var(--accent);
    margin-top: 4px;
    font-size: 0.85rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    border-top: 1px solid var(--border-color);
}

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

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

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

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

/* ========================================
   Back to Top Button
   ======================================== */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent);
    color: #000;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition);
    box-shadow: var(--shadow-accent);
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#back-to-top:hover {
    background: var(--accent-hover);
    transform: translateY(-4px);
}

/* ========================================
   Scroll Animations
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .service-card {
        flex: 0 0 calc(50% - 12px);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }

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

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    .nav-link {
        font-size: 1.2rem;
        padding: 16px 24px;
    }

    .nav-link::after {
        display: none;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-stats {
        gap: 20px;
    }

    .hero-stat strong {
        font-size: 1.2rem;
    }

    .service-card {
        flex: 0 0 100%;
    }

    .about-stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        justify-content: center;
        max-width: 280px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 12px;
    }

    .hero-stat-divider {
        width: 40px;
        height: 1px;
    }

    .about-stats-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .stat-number {
        font-size: 2.2rem;
    }
}