/* ============================================
   HAIGE INTERNATIONAL TRADE — Website Styles
   Theme: Dark Blue (#012046) + White
   ============================================ */

:root {
    /* Colors */
    --navy-900: #011232;
    --navy-800: #012046;
    --navy-700: #013060;
    --navy-600: #014078;
    --navy-500: #015098;
    --navy-400: #1a6dbb;
    --navy-300: #4a9adb;
    --navy-100: #b8daf5;
    --white: #ffffff;
    --off-white: #f5f8fc;
    --light-gray: #e8eef5;
    --gray-500: #7a8a9a;
    --gray-700: #4a5568;
    --green-wechat: #07c160;

    /* Typography */
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-max: 1200px;
    --radius: 16px;
    --radius-sm: 10px;

    /* Transitions */
    --transition: all 0.3s ease;
}

/* ===== RESET ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    color: var(--navy-800);
    background: var(--white);
    line-height: 1.65;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; }

/* ===== SVG ICONS ===== */
.icon-sm { width: 18px; height: 18px; }
.icon-md { width: 24px; height: 24px; }
.icon-lg { width: 28px; height: 28px; }
.icon-xl { width: 40px; height: 40px; }

/* ===== UTILITIES ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}
.section { padding: var(--section-padding); }
.section-alt { background: var(--off-white); }
.text-gradient {
    background: linear-gradient(135deg, var(--navy-300), var(--white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== SECTION HEADER ===== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}
.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--navy-400);
    background: rgba(26, 109, 187, 0.1);
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 16px;
}
.section-title {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--navy-800);
    letter-spacing: -0.5px;
}
.contact .section-title { color: var(--white); }

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.3px;
}
.btn-primary {
    background: var(--white);
    color: var(--navy-800);
}
.btn-primary:hover {
    background: var(--navy-100);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}
.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
}
.btn-full { width: 100%; text-align: center; }

/* ===== LANGUAGE SLIDER TOGGLE ===== */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}
.lang-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 50px;
    padding: 3px;
    cursor: pointer;
    user-select: none;
    overflow: hidden;
}
.lang-switch-option {
    position: relative;
    z-index: 2;
    font-size: 0.78rem;
    font-weight: 700;
    color: rgba(255,255,255,0.5);
    padding: 5px 14px;
    transition: color 0.3s ease;
    white-space: nowrap;
    letter-spacing: 0.5px;
}
.lang-switch-option.active {
    color: var(--navy-800);
}
.lang-switch-knob {
    position: absolute;
    z-index: 1;
    top: 3px;
    left: 3px;
    width: calc(50% - 3px);
    height: calc(100% - 6px);
    background: var(--white);
    border-radius: 50px;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.lang-switch.knob-right .lang-switch-knob {
    transform: translateX(100%);
}

/* ===== CHINESE FONT ===== */
body.lang-zh {
    font-family: 'Noto Sans SC', 'Inter', -apple-system, sans-serif;
}
body.lang-zh .hero-title {
    font-weight: 900;
}
body.lang-zh .section-title {
    font-weight: 900;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    padding: 14px 0;
}
.navbar.scrolled {
    background: rgba(1, 32, 70, 0.97);
    backdrop-filter: blur(10px);
    padding: 8px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.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: 12px;
}
.nav-logo-img {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    object-fit: cover;
}
.nav-logo-text-wrap {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}
.nav-logo-text {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 2px;
}
.nav-logo-sub {
    font-size: 0.6rem;
    font-weight: 500;
    color: rgba(255,255,255,0.55);
    letter-spacing: 2px;
    text-transform: uppercase;
}
.nav-menu {
    display: flex;
    gap: 36px;
}
.nav-menu a {
    color: rgba(255,255,255,0.85);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: var(--transition);
}
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--white);
    transition: width 0.3s ease;
}
.nav-menu a:hover { color: var(--white); }
.nav-menu a:hover::after { width: 100%; }
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}
.nav-toggle span {
    width: 26px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(160deg, var(--navy-800) 0%, var(--navy-900) 50%, #000a1a 100%);
    overflow: hidden;
}

/* Hero layered patterns */
.hero-bg-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    /* Radial gradient glows */
    background:
        radial-gradient(ellipse at 20% 40%, rgba(26,109,187,0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 60%, rgba(74,154,219,0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(1,80,152,0.15) 0%, transparent 60%);
}
.hero-bg-overlay::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    /* Grid pattern */
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
}
.hero-bg-overlay::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    /* Crystal/diagonal pattern */
    background-image:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 30px,
            rgba(74,154,219,0.03) 30px,
            rgba(74,154,219,0.03) 60px
        ),
        repeating-linear-gradient(
            -45deg,
            transparent,
            transparent 30px,
            rgba(26,109,187,0.02) 30px,
            rgba(26,109,187,0.02) 60px
        );
}

/* Floating crystal particles */
.hero-particles {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 1;
}
.particle {
    position: absolute;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(74,154,219,0.15);
    transform: rotate(45deg);
    animation: floatParticle 12s infinite ease-in-out;
}
.particle:nth-child(1) { width: 12px; height: 12px; top: 18%; left: 12%; animation-duration: 10s; }
.particle:nth-child(2) { width: 8px; height: 8px; top: 70%; left: 8%; animation-duration: 14s; animation-delay: 1s; }
.particle:nth-child(3) { width: 18px; height: 18px; top: 25%; left: 88%; animation-duration: 11s; animation-delay: 2s; }
.particle:nth-child(4) { width: 6px; height: 6px; top: 80%; left: 85%; animation-duration: 13s; animation-delay: 0.5s; }
.particle:nth-child(5) { width: 14px; height: 14px; top: 50%; left: 5%; animation-duration: 15s; animation-delay: 3s; }
.particle:nth-child(6) { width: 10px; height: 10px; top: 15%; left: 50%; animation-duration: 9s; animation-delay: 1.5s; }
.particle:nth-child(7) { width: 7px; height: 7px; top: 60%; left: 92%; animation-duration: 12s; animation-delay: 2.5s; }
.particle:nth-child(8) { width: 16px; height: 16px; top: 40%; left: 95%; animation-duration: 16s; animation-delay: 4s; }
.particle:nth-child(9) { width: 9px; height: 9px; top: 85%; left: 40%; animation-duration: 11s; animation-delay: 1s; }
.particle:nth-child(10) { width: 11px; height: 11px; top: 10%; left: 25%; animation-duration: 13s; animation-delay: 3.5s; }

@keyframes floatParticle {
    0%, 100% { transform: rotate(45deg) translateY(0) translateX(0); opacity: 0.08; }
    25% { transform: rotate(90deg) translateY(-30px) translateX(15px); opacity: 0.15; }
    50% { transform: rotate(135deg) translateY(-10px) translateX(-20px); opacity: 0.1; }
    75% { transform: rotate(180deg) translateY(20px) translateX(10px); opacity: 0.05; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 24px;
}
.hero-company-name {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    margin-bottom: 20px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--navy-100);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}
.hero-badge svg { opacity: 0.8; }
.hero-title {
    font-size: 3.8rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 24px;
}
.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}
.hero-subtitle strong { color: var(--white); }
.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
}
.hero-stats {
    display: flex;
    gap: 48px;
    justify-content: center;
}
.stat-number {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--white);
}
.stat-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}
.hero-scroll span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 12px;
    position: relative;
}
.hero-scroll span::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: rgba(255,255,255,0.6);
    border-radius: 2px;
    animation: scrollDown 1.5s infinite;
}
@keyframes scrollDown {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 24px; }
}

/* ===== ABOUT ===== */
.about { background: var(--white); }
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: start;
}
.about-text p {
    margin-bottom: 20px;
    color: var(--gray-700);
    font-size: 1.05rem;
}
.about-text strong { color: var(--navy-800); }
.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 36px;
}
.highlight-item {
    display: flex;
    gap: 14px;
    align-items: start;
}
.highlight-icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(26,109,187,0.1);
    color: var(--navy-500);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.highlight-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy-800);
    margin-bottom: 4px;
}
.highlight-item p {
    font-size: 0.88rem;
    color: var(--gray-500);
    margin: 0;
}

/* About visual card */
.about-map-card {
    background: linear-gradient(145deg, var(--navy-800), var(--navy-900));
    border-radius: var(--radius);
    padding: 40px;
    color: var(--white);
    box-shadow: 0 20px 60px rgba(1,32,70,0.2);
    position: relative;
    overflow: hidden;
}
.about-map-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 30px 30px;
    pointer-events: none;
}
.map-header { position: relative; margin-bottom: 32px; }
.map-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.map-header p {
    color: rgba(255,255,255,0.65);
    font-size: 0.92rem;
}
.trade-routes {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
}
.route {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,0.06);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.08);
}
.route-flag {
    font-size: 0.7rem;
    font-weight: 700;
    background: rgba(74,154,219,0.2);
    color: var(--navy-100);
    border: 1px solid rgba(74,154,219,0.3);
    border-radius: 6px;
    padding: 4px 8px;
    letter-spacing: 1px;
    flex-shrink: 0;
}
.route-info span {
    font-size: 0.92rem;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
}
.route-arrow {
    color: var(--navy-300);
    margin: 0 4px;
}

/* ===== SERVICES ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.service-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 36px 28px;
    border: 1px solid var(--light-gray);
    transition: var(--transition);
    position: relative;
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(1,32,70,0.12);
    border-color: var(--navy-300);
}
.service-card.featured {
    border: 2px solid var(--navy-400);
    background: linear-gradient(145deg, var(--white), var(--off-white));
}
.service-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--navy-700);
    color: var(--white);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 5px 16px;
    border-radius: 50px;
    letter-spacing: 1px;
    text-transform: uppercase;
    white-space: nowrap;
}
.service-icon-wrap {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(26,109,187,0.08), rgba(74,154,219,0.12));
    color: var(--navy-500);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    border: 1px solid rgba(26,109,187,0.12);
    transition: var(--transition);
}
.service-card:hover .service-icon-wrap {
    background: linear-gradient(135deg, rgba(26,109,187,0.15), rgba(74,154,219,0.2));
    border-color: rgba(74,154,219,0.3);
    transform: scale(1.05);
}
.service-card.featured .service-icon-wrap {
    background: linear-gradient(135deg, var(--navy-600), var(--navy-400));
    color: var(--white);
    border: none;
    box-shadow: 0 8px 24px rgba(26,109,187,0.3);
}
.service-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--navy-800);
    margin-bottom: 12px;
}
.service-card p {
    color: var(--gray-700);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.65;
}
.service-features li {
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--gray-700);
    padding-left: 24px;
    position: relative;
}
.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--navy-400);
    font-weight: 700;
}

/* ===== CONTACT ===== */
.contact {
    background: linear-gradient(160deg, var(--navy-800), var(--navy-900));
    color: var(--white);
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 48px;
    align-items: start;
}
.contact-card {
    color: var(--white);
}
.contact-card > h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.contact-card > p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 36px;
    font-size: 1rem;
}
.contact-detail {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
    align-items: start;
}
.contact-icon-wrap {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(255,255,255,0.08);
    color: var(--navy-100);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.contact-detail strong {
    display: block;
    font-size: 0.85rem;
    color: var(--navy-100);
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.contact-detail p {
    font-size: 1rem;
    color: rgba(255,255,255,0.9);
}

/* WeChat section */
.contact-wechat {
    margin-top: 36px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.wechat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.wechat-icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(7,193,96,0.15);
    color: var(--green-wechat);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.wechat-header h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
}
.contact-wechat > p {
    color: rgba(255,255,255,0.65);
    font-size: 0.92rem;
    margin-bottom: 20px;
}
.wechat-id-box {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(7,193,96,0.1);
    border: 1px solid rgba(7,193,96,0.25);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    margin-bottom: 20px;
}
.wechat-id-label {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.wechat-id-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--green-wechat);
    flex: 1;
}
.wechat-copy-btn {
    background: rgba(7,193,96,0.2);
    border: none;
    color: var(--green-wechat);
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.wechat-copy-btn:hover {
    background: rgba(7,193,96,0.35);
}
.wechat-copy-btn.copied {
    background: var(--green-wechat);
    color: var(--white);
}
.wechat-qr-placeholder {
    background: var(--white);
    border-radius: var(--radius-sm);
    padding: 24px;
    text-align: center;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.wechat-qr-placeholder svg {
    color: var(--navy-700);
}
.wechat-qr-placeholder p {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--navy-800);
    margin: 0;
}
.wechat-qr-placeholder span {
    font-size: 0.78rem;
    color: var(--gray-500);
}

/* Contact form */
.contact-form-wrap {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px;
    color: var(--navy-800);
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}
.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 28px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--navy-700);
    margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.95rem;
    color: var(--navy-800);
    transition: var(--transition);
    background: var(--off-white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--navy-400);
    background: var(--white);
}
.form-group textarea { resize: vertical; }
.contact-form .btn-primary {
    background: var(--navy-700);
    color: var(--white);
}
.contact-form .btn-primary:hover {
    background: var(--navy-600);
    transform: translateY(-2px);
}
.form-success {
    display: none;
    text-align: center;
    margin-top: 16px;
    padding: 14px;
    background: #e8f5e9;
    color: #2e7d32;
    border-radius: var(--radius-sm);
    font-weight: 500;
}
.form-success.show { display: block; }

/* ===== FOOTER ===== */
.footer {
    background: var(--navy-900);
    color: rgba(255,255,255,0.7);
    padding: 64px 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}
.footer-brand {
    display: flex;
    gap: 16px;
    align-items: start;
}
.footer-logo {
    width: 52px;
    height: 52px;
    border-radius: 8px;
    flex-shrink: 0;
}
.footer-brand h4 {
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}
.footer-brand p {
    font-size: 0.88rem;
    line-height: 1.6;
}
.footer-links h5, .footer-contact h5 {
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: 1px;
    text-transform: uppercase;
}
.footer-links a {
    display: block;
    padding: 5px 0;
    font-size: 0.92rem;
    color: rgba(255,255,255,0.65);
    transition: var(--transition);
}
.footer-links a:hover { color: var(--white); padding-left: 4px; }
.footer-contact p {
    font-size: 0.92rem;
    margin-bottom: 8px;
    color: rgba(255,255,255,0.65);
}
.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.05rem; }
    .hero-stats { gap: 28px; }
    .stat-number { font-size: 1.8rem; }
    .section-title { font-size: 2rem; }
    .section-header { margin-bottom: 40px; }
    .section { padding: 64px 0; }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--navy-900);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
    }
    .nav-menu.active { display: flex; }
    .nav-toggle { display: flex; }
    .lang-switch-option { padding: 4px 10px; font-size: 0.72rem; }

    .services-grid { grid-template-columns: 1fr; }
    .about-highlights { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-cta { flex-direction: column; }
    .hero-cta .btn { width: 100%; text-align: center; }
    .nav-logo-sub { display: none; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2rem; }
    .hero-stats { flex-direction: column; gap: 20px; }
    .contact-form-wrap { padding: 28px 20px; }
}

/* ===== ANIMATIONS ===== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}