/* ============================================
   深圳市侑铕文化发展有限公司
   纯 CSS 奢华科技风格
   ============================================ */

/* CSS Variables */
:root {
    --void: #0a0a0f;
    --obsidian: #12121a;
    --gold: #d4af37;
    --gold-light: #e8d5a3;
    --gold-dark: #b8960c;
    --platinum: #e8e8e8;
    --cyber: #40e0d0;
    --nebula: #9b59b6;
    --text-primary: #f5f5f5;
    --text-secondary: #a0a0a0;
    --border: rgba(212, 175, 55, 0.2);
    --glass: rgba(15, 15, 25, 0.8);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--void);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

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

/* Utility Classes */
.gradient-gold {
    background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-cyber {
    background: linear-gradient(135deg, var(--cyber), var(--nebula));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-dark), var(--gold));
    color: var(--void);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(212, 175, 55, 0.4);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary span,
.btn-primary svg {
    position: relative;
    z-index: 1;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    border-color: var(--gold);
    background: rgba(212, 175, 55, 0.1);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-label {
    display: inline-block;
    color: var(--gold);
    font-size: 13px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 300;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 50px;
    margin-bottom: 24px;
}

.section-badge svg {
    width: 16px;
    height: 16px;
    color: var(--gold);
}

.section-badge span {
    font-size: 12px;
    color: var(--gold);
    letter-spacing: 0.1em;
}

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

.nav.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    color: var(--void);
}

.logo-text {
    font-size: 20px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.3s ease;
}

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

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

.nav-cta {
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--gold-dark), var(--gold));
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--void);
    transition: var(--transition);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.4);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    z-index: 999;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-menu a {
    font-size: 16px;
    color: var(--text-primary);
    padding: 8px 0;
}

.mobile-cta {
    display: block;
    margin-top: 24px;
    padding: 14px;
    background: linear-gradient(135deg, var(--gold-dark), var(--gold));
    border-radius: 50px;
    text-align: center;
    color: var(--void);
    font-weight: 500;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 80px;
}

#particleCanvas {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(212, 175, 55, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(212, 175, 55, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 50px;
    margin-bottom: 32px;
    animation: reveal-scale 0.6s ease forwards;
}

.hero-badge svg {
    width: 16px;
    height: 16px;
    color: var(--gold);
}

.hero-badge span {
    font-size: 13px;
    color: var(--platinum);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(40px, 8vw, 80px);
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: reveal-up 0.8s ease forwards;
    animation-delay: 0.1s;
    opacity: 0;
}

.hero-desc {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
    animation: reveal-up 0.8s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    animation: reveal-up 0.8s ease forwards;
    animation-delay: 0.3s;
    opacity: 0;
}

.hero-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border: 1px solid;
    opacity: 0.2;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    border-color: var(--gold);
    border-radius: 50%;
    top: 20%;
    left: 10%;
}

.shape-2 {
    width: 200px;
    height: 200px;
    border-color: var(--cyber);
    transform: rotate(45deg);
    bottom: 20%;
    right: 10%;
    animation-delay: 2s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    border-color: var(--nebula);
    border-radius: 50%;
    top: 50%;
    right: 30%;
    animation-delay: 4s;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, transparent, var(--gold), transparent);
    animation: pulse 2s ease-in-out infinite;
}

/* Services Section */
.services {
    padding: 120px 0;
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(212, 175, 55, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(212, 175, 55, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

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

.service-card {
    background: rgba(15, 15, 25, 0.6);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(135deg, var(--gold), var(--cyber), var(--nebula), var(--gold));
    background-size: 300% 100%;
    animation: border-flow 4s linear infinite;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(212, 175, 55, 0.15);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(64, 224, 208, 0.2));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: transform 0.4s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-icon svg {
    width: 28px;
    height: 28px;
    color: var(--gold);
}

.service-card h3 {
    font-size: 22px;
    font-weight: 500;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.service-card:hover h3 {
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

/* About Section */
.about {
    padding: 120px 0;
    background: var(--void);
}

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

.about-label {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.about-label span:first-child {
    width: 48px;
    height: 1px;
    background: linear-gradient(to right, var(--gold), transparent);
}

.about-label span:last-child {
    font-size: 13px;
    color: var(--gold);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.about-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 300;
    line-height: 1.3;
    margin-bottom: 24px;
}

.about-text {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 40px;
}

.about-divider span:first-child,
.about-divider span:last-child {
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--gold), transparent);
}

.about-divider span:last-child {
    background: linear-gradient(to left, var(--gold), transparent);
}

.about-divider span:nth-child(2) {
    width: 8px;
    height: 8px;
    background: var(--gold);
    transform: rotate(45deg);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-card {
    background: rgba(15, 15, 25, 0.6);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(135deg, var(--gold), var(--cyber), var(--nebula), var(--gold));
    background-size: 300% 100%;
    animation: border-flow 4s linear infinite;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(212, 175, 55, 0.15);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card svg {
    width: 32px;
    height: 32px;
    color: var(--gold);
    margin-bottom: 16px;
}

.stat-number {
    font-size: 48px;
    font-weight: 300;
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline;
}

.stat-suffix {
    font-size: 32px;
    font-weight: 300;
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 8px;
}

/* Tech Stack Section */
.tech {
    padding: 120px 0;
    background: var(--void);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.tech-item {
    background: rgba(15, 15, 25, 0.6);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px 24px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.tech-item:hover {
    border-color: var(--gold);
    transform: translateY(-4px);
}

.tech-category {
    font-size: 11px;
    color: var(--gold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 12px;
    display: block;
}

.tech-item h3 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

.tech-item:hover h3 {
    color: var(--gold);
}

.tech-desc {
    font-size: 13px;
    color: var(--text-secondary);
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.tech-item:hover .tech-desc {
    opacity: 1;
    transform: translateY(0);
}

/* Projects Section */
.projects {
    padding: 120px 0;
    position: relative;
}

.projects::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(212, 175, 55, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(212, 175, 55, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.project-card {
    background: var(--obsidian);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(212, 175, 55, 0.15);
}

.project-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

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

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--void), transparent);
}

.project-content {
    padding: 24px;
}

.project-category {
    font-size: 12px;
    color: var(--cyber);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 8px;
    display: block;
}

.project-content h3 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.project-card:hover .project-content h3 {
    color: var(--gold);
}

.project-content p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.project-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.project-tags span {
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Contact Section */
.contact {
    padding: 120px 0;
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(212, 175, 55, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(212, 175, 55, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.contact-form-wrapper {
    background: rgba(15, 15, 25, 0.6);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
}

.contact-form-wrapper h3 {
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 32px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 15px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-card {
    background: rgba(15, 15, 25, 0.6);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
}

.contact-card h3 {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 20px;
    height: 20px;
    color: var(--gold);
}

.contact-label {
    font-size: 13px;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 4px;
}

.contact-value {
    font-size: 15px;
    color: var(--text-primary);
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.social-link:hover {
    border-color: var(--gold);
    background: rgba(212, 175, 55, 0.1);
}

.social-link:hover svg {
    color: var(--gold);
}

/* Footer */
.footer {
    background: var(--void);
    border-top: 1px solid var(--border);
    padding: 80px 0 40px;
    position: relative;
}

.footer-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gold), transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
    margin: 20px 0 24px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a svg {
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.footer-social a:hover {
    background: rgba(212, 175, 55, 0.1);
}

.footer-social a:hover svg {
    color: var(--gold);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 24px;
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-contact svg {
    width: 18px;
    height: 18px;
    color: var(--gold);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 14px;
}

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

.footer-legal a {
    color: var(--text-secondary);
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: var(--gold);
}

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

@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

@keyframes reveal-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes reveal-scale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes border-flow {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

/* Responsive */
@media (max-width: 1024px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

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

@media (max-width: 768px) {
    .nav-links,
    .nav-cta {
        display: none;
    }

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

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

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

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

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

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

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .services,
    .about,
    .tech,
    .projects,
    .contact {
        padding: 80px 0;
    }

    .service-card,
    .stat-card,
    .contact-form-wrapper,
    .contact-card {
        padding: 24px;
    }
}

/* Selection */
::selection {
    background: rgba(212, 175, 55, 0.3);
    color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--void);
}

::-webkit-scrollbar-thumb {
    background: var(--gold-dark);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gold);
}