/* ============================================
   深圳鹏城万里科技 — 现代化官网样式
   Design: Clean Light + Tech Blue Accent
   ============================================ */

/* ----- CSS Custom Properties ----- */
:root {
    /* Background */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F1F5F9;
    --bg-glass: rgba(255, 255, 255, 0.82);

    /* Accent — Blue */
    --accent-primary: #2563EB;
    --accent-secondary: #0891B2;
    --accent-gradient: linear-gradient(135deg, #2563EB 0%, #0891B2 100%);
    --accent-glow: rgba(37, 99, 235, 0.2);

    /* Accent — Brand Warm (logo orange) */
    --accent-warm: #F97316;
    --accent-warm-soft: #FB923C;
    --accent-warm-glow: rgba(249, 115, 22, 0.15);
    --accent-brand-gradient: linear-gradient(135deg, #2563EB 0%, #F97316 100%);

    /* Text */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #64748B;

    /* Border */
    --border-subtle: rgba(0, 0, 0, 0.06);
    --border-medium: rgba(0, 0, 0, 0.1);
    --border-glow: rgba(37, 99, 235, 0.25);

    /* Spacing */
    --container-max: 1200px;
    --section-padding: 100px 0;
    --section-padding-mobile: 60px 0;

    /* Typography */
    --font-heading: 'Space Grotesk', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    --font-body: 'DM Sans', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

    /* Transitions */
    --transition-fast: 150ms ease-out;
    --transition-base: 250ms ease-out;
    --transition-slow: 400ms ease-out;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

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

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ----- Section Common ----- */
.section {
    padding: var(--section-padding);
    position: relative;
    overflow: hidden;
}

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

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.1);
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 20px;
    border: 1px solid rgba(59, 130, 246, 0.15);
}

.section-tag-warm {
    color: var(--accent-warm);
    background: rgba(249, 115, 22, 0.08);
    border: 1px solid rgba(249, 115, 22, 0.14);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* ----- Buttons ----- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-primary);
    color: #fff;
}
.btn-primary:hover {
    background: #2563EB;
    box-shadow: 0 4px 20px var(--accent-glow), 0 0 50px var(--accent-warm-glow);
    transform: translateY(-1px);
}

.btn-gradient {
    background: var(--accent-gradient);
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(59, 130, 246, 0.3);
}
.btn-gradient::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(135deg, #2563EB 0%, #0891B2 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}
.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.45), 0 0 60px var(--accent-warm-glow);
}
.btn-gradient:hover::after {
    opacity: 1;
}
.btn-gradient:active {
    transform: translateY(0);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid rgba(0, 0, 0, 0.15);
    color: var(--text-primary);
}
.btn-outline:hover {
    border-color: var(--accent-primary);
    background: rgba(37, 99, 235, 0.04);
    transform: translateY(-1px);
}

.btn-full {
    width: 100%;
}

/* ----- Navigation ----- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: padding var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
}

/* Backdrop blur on a pseudo-element so it doesn't trap position:fixed children */
.navbar::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background: transparent;
    transition: backdrop-filter var(--transition-base);
}

.navbar.scrolled {
    background: var(--bg-glass);
    border-bottom: 1px solid var(--border-subtle);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.navbar.scrolled::before {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1001;
}
.logo-icon {
    width: 36px;
    height: 36px;
    transition: transform var(--transition-base);
}
.nav-logo:hover .logo-icon {
    transform: rotate(-10deg) scale(1.05);
}
.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color var(--transition-fast);
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-base);
    border-radius: 1px;
}
.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}
.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-cta {
    font-size: 0.85rem;
    padding: 10px 22px;
}

.hamburger {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    width: 48px;
    height: 48px;
    padding: 0;
    z-index: 1001;
}
.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}
.hamburger.active span {
    background: var(--text-primary);
}
.hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ----- Hero Section ----- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 0 24px;
}

/* ----- Gradient Border Property ----- */
@property --border-angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

/* Global particle canvas — subtle brand particles across entire page */
.global-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(255,255,255,0.7) 70%);
    z-index: 1;
}

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

.hero-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--accent-primary);
    background: rgba(37, 99, 235, 0.07);
    border: 1px solid rgba(37, 99, 235, 0.12);
    padding: 8px 20px;
    border-radius: 20px;
    margin-bottom: 32px;
}

.hero-title {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-title-line {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.hero-title-accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    min-height: 1.8em;
}
.hero-subtitle .cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background: var(--accent-primary);
    margin-left: 4px;
    vertical-align: text-bottom;
    animation: blink 0.8s step-end infinite;
}

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

/* 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: 10px;
}

.scroll-mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(0, 0, 0, 0.15);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 2px;
    animation: scrollWheel 1.5s ease-in-out infinite;
}

.scroll-text {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* ----- About Section ----- */
.about {
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
}
.about-text p + p {
    margin-top: 18px;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
}
.stat-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}
.stat-card:hover::before {
    opacity: 1;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Warm-branded stat card (98% satisfaction) */
.stat-card-warm::before {
    background: var(--accent-brand-gradient);
}
.stat-card-warm .stat-number {
    background: var(--accent-brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-card-warm:hover {
    border-color: rgba(249, 115, 22, 0.2);
}

/* ----- Services Section ----- */
.services {
    position: relative;
}
.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.15), transparent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 40px 28px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.service-card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 20px;
    right: 20px;
    height: 1px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
}
.service-card:hover {
    border-color: var(--border-glow);
    background: var(--bg-card-hover);
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(37, 99, 235, 0.08);
}
.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.08);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    transition: all var(--transition-base);
}
.service-icon svg {
    width: 28px;
    height: 28px;
    color: var(--accent-primary);
    transition: color var(--transition-base);
}
.service-card:hover .service-icon {
    background: rgba(59, 130, 246, 0.15);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.1);
}
.service-card:hover .service-icon svg {
    color: var(--accent-secondary);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}
.service-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ----- Advantages Section ----- */
.advantages {
    background: var(--bg-secondary);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.advantage-item {
    text-align: center;
    padding: 32px 24px;
    transition: transform var(--transition-base);
}
.advantage-item:hover {
    transform: translateY(-4px);
}

.advantage-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.06);
    border-radius: 50%;
    border: 1px solid var(--border-medium);
    transition: all var(--transition-base);
}
.advantage-icon svg {
    width: 30px;
    height: 30px;
    color: var(--accent-primary);
    transition: color var(--transition-base);
}
.advantage-item:hover .advantage-icon {
    border-color: var(--border-glow);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.1);
}
.advantage-item:hover .advantage-icon svg {
    color: var(--accent-secondary);
}

.advantage-item h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}
.advantage-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ----- Partners Section ----- */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 24px;
}

.partner-logo {
    cursor: pointer;
}

.partner-placeholder {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 28px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    transition: all var(--transition-base);
}
.partner-placeholder svg {
    width: 36px;
    height: 36px;
    color: var(--text-muted);
    transition: all var(--transition-base);
}
.partner-placeholder span {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    transition: color var(--transition-base);
}
.partner-placeholder:hover {
    border-color: var(--border-glow);
    background: var(--bg-card-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
}
.partner-placeholder:hover svg {
    color: var(--accent-primary);
    opacity: 1;
}
.partner-placeholder:hover span {
    color: var(--text-primary);
}

/* ----- Contact Section ----- */
.contact {
    background: var(--bg-secondary);
}

.contact-grid {
    max-width: 900px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 36px 24px;
    transition: all var(--transition-base);
}
.contact-item:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.contact-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.08);
    border-radius: 50%;
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-base);
}
.contact-item:hover .contact-icon {
    background: rgba(59, 130, 246, 0.15);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.1);
}
.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--accent-primary);
}

.contact-item h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.contact-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}


/* ----- Footer ----- */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-subtle);
    padding: 64px 0 32px;
}

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

.footer-brand p {
    margin-top: 12px;
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 280px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
}
.footer-logo img {
    width: 32px;
    height: 32px;
}

.footer-links h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    font-size: 0.95rem;
}
.footer-links a {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    padding: 4px 0;
    transition: color var(--transition-fast);
}
.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-icp a {
    color: var(--text-muted);
    font-size: inherit;
    transition: color var(--transition-fast);
}
.footer-icp a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    padding-top: 28px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 12px;
    position: relative;
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-brand-gradient);
    opacity: 0.25;
    border-radius: 1px;
    pointer-events: none;
}

/* ----- Scroll Reveal (GSAP handles animations) ----- */
.reveal {
    opacity: 0; /* hidden until GSAP reveals */
}

/* ----- Keyframes ----- */
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes scrollWheel {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(14px); opacity: 0; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ----- Reduced Motion ----- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ----- Responsive ----- */

/* Tablet */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .about-stats {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }
    .contact-info {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .section {
        padding: var(--section-padding-mobile);
    }

    /* Navigation */
    .nav-menu {
        position: fixed;
        inset: 0;
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        gap: 4px;
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        opacity: 0;
        pointer-events: none;
        transform: translateX(20px);
        transition: opacity 0.3s ease-out, transform 0.3s ease-out;
        z-index: 1000;
        padding: 96px 24px 40px;
        overflow-y: auto;
    }
    .nav-menu.active {
        opacity: 1;
        pointer-events: auto;
        transform: translateX(0);
    }

    .nav-link {
        font-family: var(--font-heading);
        font-size: 1.1rem;
        font-weight: 600;
        color: var(--text-primary);
        width: 100%;
        min-height: 52px;
        display: flex;
        align-items: center;
        padding: 0 20px;
        position: relative;
        opacity: 0;
        transform: translateX(-8px);
        transition: opacity 0.25s, transform 0.25s, color 0.2s, background 0.15s;
        border-radius: var(--radius-md);
        border-left: 3px solid transparent;
    }
    .nav-link:active {
        background: rgba(0, 0, 0, 0.04);
    }
    .nav-link.active {
        border-left-color: var(--accent-warm);
        color: var(--accent-warm);
    }
    .nav-link::after {
        display: none;
    }
    .nav-menu.active .nav-link {
        opacity: 1;
        transform: translateX(0);
    }
    .nav-menu.active .nav-link:nth-child(1) { transition-delay: 0.06s; }
    .nav-menu.active .nav-link:nth-child(2) { transition-delay: 0.11s; }
    .nav-menu.active .nav-link:nth-child(3) { transition-delay: 0.16s; }
    .nav-menu.active .nav-link:nth-child(4) { transition-delay: 0.21s; }
    .nav-menu.active .nav-link:nth-child(5) { transition-delay: 0.26s; }

    .nav-cta {
        display: flex;
        margin-top: 24px;
        padding: 14px 24px;
        font-size: 1rem;
        min-height: 48px;
        width: 100%;
        justify-content: center;
        opacity: 0;
        transform: translateX(-8px);
        transition: opacity 0.25s 0.30s, transform 0.25s 0.30s;
    }
    .nav-menu.active .nav-cta {
        opacity: 1;
        transform: translateX(0);
    }

    /* Menu brand accent line — shimmering gradient above links */
    .nav-menu::before {
        content: '';
        position: absolute;
        top: 78px;
        left: 24px;
        right: 24px;
        height: 3px;
        background: linear-gradient(90deg, #2563EB, #F97316, #FB923C, #F97316, #2563EB);
        background-size: 200% 100%;
        border-radius: 0 2px 2px 0;
        opacity: 0;
        transition: opacity 0.25s 0.08s;
        animation: menuLineShimmer 2.8s ease-in-out infinite;
    }
    .nav-menu.active::before {
        opacity: 1;
    }

    @keyframes menuLineShimmer {
        0%, 100% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
    }

    .hamburger {
        display: flex;
    }

    /* Hero */
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }

    /* About */
    .about-stats {
        grid-template-columns: 1fr 1fr;
    }
    .stat-number {
        font-size: 2rem;
    }

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

    /* Advantages */
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Partners */
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .footer-links a {
        padding: 8px 0;
        font-size: 0.95rem;
    }
    .footer-brand p {
        font-size: 0.9rem;
    }
    .footer-bottom p {
        font-size: 0.8rem;
    }

    .contact-info {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* Small Mobile */
@media (max-width: 375px) {
    .container {
        padding: 0 16px;
    }
    .hero-title-line {
        font-size: 2rem;
    }
    .about-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .stat-card {
        padding: 20px 16px;
    }
    .stat-number {
        font-size: 1.6rem;
    }
}

/* ============================================
   Premium Effects
   ============================================ */

/* ----- 3D Tilt ----- */
.service-card.tilt-enabled {
    transform-style: preserve-3d;
    perspective: 800px;
    transition: box-shadow 0.3s, border-color 0.3s;
}
.service-card .card-content { position: relative; z-index: 1; }
.service-card .card-glow {
    position: absolute; inset: -1px;
    border-radius: var(--radius-lg);
    background: var(--accent-gradient);
    opacity: 0; transition: opacity 0.4s;
    pointer-events: none; z-index: 0;
}
.service-card:hover .card-glow { opacity: 0.07; }

/* ----- Magnetic Button ----- */
.btn-magnetic { transition: none; }

/* ----- Text Character ----- */
.hero-title-line .char {
    display: inline-block;
    will-change: transform, opacity;
}

/* ============================================
   Global Background Decorations
   ============================================ */
.bg-decorations {
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    overflow: hidden;
}

/* --- Soft Glow Orbs --- */
.bg-orb {
    position: absolute; border-radius: 50%;
    filter: blur(80px); opacity: 0.07;
}
.bg-orb-1 {
    width: 700px; height: 700px;
    background: radial-gradient(circle, #3B82F6 0%, transparent 70%);
    top: -300px; right: -200px;
}
.bg-orb-2 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, #06B6D4 0%, transparent 70%);
    bottom: 20%; left: -200px;
}

/* --- Thin Outline Ring --- */
.bg-ring {
    position: absolute; border-radius: 50%;
    border: 1px solid rgba(37, 99, 235, 0.04);
}
.bg-ring-1 {
    width: 600px; height: 600px;
    top: 40%; right: -300px;
}

/* --- Subtle Dot Grid --- */
.bg-dots {
    position: absolute; inset: 0;
    background-image: radial-gradient(rgba(37, 99, 235, 0.04) 1px, transparent 1px);
    background-size: 50px 50px;
}

@media (max-width: 768px) {
    .bg-decorations { display: none; }
}