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

:root {
    --color-primary: #5D3FD3;
    --color-primary-dark: #4A30BD;
    --color-primary-light: #7A63DD;
    --color-accent: #F5A623;
    --color-accent-dark: #D88E1A;
    --color-dark: #1a1a2e;
    --color-text: #2d3142;
    --color-text-light: #6c757d;
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-bg-dark: #0f0f23;
    --color-border: #e9ecef;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.15);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: 0.3s ease;
    --container: 1240px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

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

.section {
    padding: 100px 0;
}

.section-dark {
    background: var(--color-bg-dark);
    color: #fff;
}

.section-dark .section-title,
.section-dark .section-desc {
    color: #fff;
}

.section-dark .section-tag {
    color: var(--color-accent);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    transition: all var(--transition);
    white-space: nowrap;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(93, 63, 211, 0.3);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(93, 63, 211, 0.4);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 16px;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
}

.btn-full {
    width: 100%;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
    border-bottom-color: var(--color-border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 112px;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.logo-img {
    height: 80px;
    width: auto;
    max-width: 260px;
    object-fit: contain;
    display: block;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
    border-left: 1px solid rgba(93, 63, 211, 0.2);
    padding-left: 12px;
}

.logo-name-cn {
    color: var(--color-text);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.2px;
    white-space: nowrap;
}

.logo-name-en {
    color: var(--color-text-light);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1px;
    white-space: nowrap;
    margin-top: 3px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 36px;
    align-items: center;
}

.nav-menu a {
    color: var(--color-text);
    font-weight: 500;
    font-size: 15px;
    position: relative;
    padding: 4px 0;
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition);
}

.lang-switch:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.lang-current {
    color: var(--color-primary);
}

.lang-other {
    color: var(--color-text-light);
}

.lang-separator {
    color: var(--color-text-light);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

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

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: #fff;
    padding: 120px 0 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: heroZoom 30s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    from { transform: scale(1); }
    to { transform: scale(1.08); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(93, 63, 211, 0.55) 0%, rgba(123, 93, 231, 0.35) 50%, rgba(245, 166, 35, 0.35) 100%);
}

.hero-tint {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(26, 26, 46, 0.45) 0%, rgba(26, 26, 46, 0.2) 30%, rgba(26, 26, 46, 0.25) 70%, rgba(26, 26, 46, 0.55) 100%);
}

.hero-grid-pattern {
    position: absolute;
    inset: 0;
    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;
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 28px;
    letter-spacing: 1px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.15;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 80px;
}

.hero-actions .btn-outline {
    color: #fff;
    border-color: #fff;
}

.hero-actions .btn-outline:hover {
    background: #fff;
    color: var(--color-primary);
}

.hero-stats {
    display: flex;
    gap: 60px;
    justify-content: center;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.5px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 44px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-indicator span {
    width: 4px;
    height: 8px;
    background: #fff;
    border-radius: 2px;
    animation: scrollBounce 1.5s infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: 0.3; }
}

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    margin-bottom: 70px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(93, 63, 211, 0.1);
    color: var(--color-primary);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -0.5px;
    color: var(--color-dark);
}

.section-desc {
    font-size: 17px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===== Services ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition);
    border: 1px solid var(--color-border);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-card.featured {
    border: 2px solid var(--color-primary);
    position: relative;
}

.service-card.featured::before {
    content: '★ Featured';
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: var(--color-accent);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
    z-index: 2;
}

.service-image {
    position: relative;
    height: 280px;
    overflow: hidden;
    background: var(--color-bg-light);
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0) 60%, rgba(0,0,0,0.4) 100%);
    pointer-events: none;
}

.service-content {
    padding: 40px 28px 28px;
}

.service-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-dark);
}

.service-content p {
    color: var(--color-text-light);
    margin-bottom: 20px;
    line-height: 1.7;
    font-size: 15px;
}

.service-features {
    list-style: none;
    border-top: 1px solid var(--color-border);
    padding-top: 16px;
}

.service-features li {
    padding: 6px 0;
    color: var(--color-text);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ===== Domestic Logistics (国内物流与海外服务) ===== */
.section-alt {
    background: linear-gradient(180deg, #f8f9fa 0%, #fdf6ec 100%);
}

.domestic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 36px;
}

.domestic-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 44px 40px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.domestic-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-primary);
    transition: width var(--transition);
}

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

.domestic-card:hover::after {
    width: 6px;
}

.domestic-card.featured {
    background: linear-gradient(135deg, #ffffff 0%, #f7f0ff 100%);
    border-color: var(--color-primary);
}

.domestic-card.featured::after {
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
}

.domestic-icon {
    flex-shrink: 0;
    width: 72px;
    height: 72px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(93, 63, 211, 0.25);
}

.domestic-card.featured .domestic-icon {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    box-shadow: 0 8px 24px rgba(245, 166, 35, 0.3);
}

.domestic-icon svg {
    width: 36px;
    height: 36px;
}

.domestic-content {
    flex: 1;
}

.domestic-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--color-dark);
}

.domestic-content p {
    color: var(--color-text-light);
    line-height: 1.75;
    margin-bottom: 20px;
    font-size: 15px;
}

.domestic-features {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.domestic-features li {
    padding: 6px 14px;
    background: rgba(93, 63, 211, 0.08);
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    transition: all var(--transition);
}

.domestic-card.featured .domestic-features li {
    background: rgba(245, 166, 35, 0.12);
    color: var(--color-accent-dark);
}

.domestic-features li:hover {
    background: var(--color-primary);
    color: #fff;
}

.domestic-card.featured .domestic-features li:hover {
    background: var(--color-accent);
    color: #fff;
}

/* ===== Advantages ===== */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.advantage-card {
    padding: 36px 28px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition);
    backdrop-filter: blur(10px);
}

.advantage-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
    border-color: var(--color-accent);
}

.advantage-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.advantage-icon svg {
    width: 28px;
    height: 28px;
}

.advantage-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #fff;
}

.advantage-card p {
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
    font-size: 15px;
}

/* ===== Network ===== */
.network-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.network-map {
    background: var(--color-bg-light);
    padding: 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.network-map-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-sm);
}

.route-line {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: dash 4s ease-in-out infinite;
}

.route-1 { animation-delay: 0s; }
.route-2 { animation-delay: 0.5s; }
.route-3 { animation-delay: 1s; }

@keyframes dash {
    to { stroke-dashoffset: 0; }
}

.network-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.network-region {
    padding: 24px;
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    transition: all var(--transition);
}

.network-region:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.network-region h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.network-region p {
    color: var(--color-text-light);
    font-size: 15px;
}

/* ===== About ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: #000;
}

.about-image img,
.about-image .about-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 480px;
    display: block;
}

.about-experience {
    position: absolute;
    bottom: 30px;
    left: 30px;
    padding: 24px 32px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.exp-number {
    display: block;
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 6px;
    color: var(--color-accent);
}

.exp-text {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
}

.about-content .section-tag {
    margin-bottom: 12px;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 24px;
}

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

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 48px;
}

.value-item {
    padding: 36px 28px;
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    border-top: 4px solid var(--color-primary);
    position: relative;
    transition: all var(--transition);
}

.value-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.value-item .value-num {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.value-item h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
    letter-spacing: 0.3px;
}

.value-item p {
    font-size: 14.5px;
    color: var(--color-text-light);
    line-height: 1.75;
    margin-bottom: 0;
}

/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

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

.contact-info > p {
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
    margin-bottom: 36px;
    font-size: 16px;
}

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

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

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-label {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

.contact-value {
    color: #fff;
    font-size: 16px;
    font-weight: 500;
}

a.contact-value:hover {
    color: var(--color-accent);
}

.contact-form-wrapper {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

.form-row .form-group {
    margin-bottom: 0;
}

.form-group label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 15px;
    font-family: inherit;
    transition: all var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.12);
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: var(--color-bg-dark);
    color: #fff;
}

.form-note {
    text-align: center;
    margin-top: 16px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
}

/* ===== Footer ===== */
.footer {
    background: #050514;
    color: #fff;
    padding: 80px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-brand .footer-logo {
    height: 80px;
    width: auto;
    max-width: 380px;
    margin-bottom: 20px;
    object-fit: contain;
}

.footer-logo-block {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
    padding: 0;
    background: transparent;
}

.footer-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.footer-logo-name-cn {
    color: #fff;
    font-size: 14px;
    font-weight: 700;
}

.footer-logo-name-en {
    color: rgba(255, 255, 255, 0.65);
    font-size: 11px;
    font-weight: 500;
    margin-top: 3px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    font-size: 14px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--color-accent);
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    transition: color var(--transition);
}

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

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    margin-bottom: 10px;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}

/* ===== Animations ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 112px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        transition: transform var(--transition);
        align-items: flex-start;
    }

    .nav-menu.active {
        transform: translateY(0);
    }

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

    .network-content,
    .about-grid,
    .contact-grid,
    .domestic-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .domestic-card {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .hero-stats {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }

    .container {
        padding: 0 20px;
    }

    .nav-actions .btn {
        display: none;
    }

    .hero {
        padding: 100px 0 40px;
        min-height: auto;
    }

    .hero-actions {
        margin-bottom: 50px;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }

    .hero-stats {
        gap: 30px;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .contact-form-wrapper {
        padding: 28px;
    }

    .contact-form .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .contact-form .form-row .form-group {
        margin-bottom: 20px;
    }

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

    .services-grid,
    .advantages-grid,
    .domestic-grid {
        grid-template-columns: 1fr;
    }

    .logo-img {
        height: 56px;
        max-width: 200px;
    }

    .logo-text {
        display: none;
    }

    .nav-container {
        height: 92px;
    }

    .domestic-card {
        padding: 32px 24px;
    }

    .about-image img {
        min-height: 300px;
    }

    .scroll-indicator {
        display: none;
    }
}

/* ===== Loading States ===== */
.contact-form button[type="submit"]:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-success {
    padding: 20px;
    background: rgba(40, 167, 69, 0.15);
    border: 1px solid rgba(40, 167, 69, 0.4);
    border-radius: var(--radius-sm);
    color: #5fff5f;
    margin-top: 16px;
    text-align: center;
    animation: fadeInUp 0.4s ease;
}

.form-error {
    padding: 20px;
    background: rgba(220, 53, 69, 0.15);
    border: 1px solid rgba(220, 53, 69, 0.4);
    border-radius: var(--radius-sm);
    color: #ff8a8a;
    margin-top: 16px;
    text-align: center;
    animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 999;
    box-shadow: 0 4px 14px rgba(93, 63, 211, 0.4);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
}

.back-to-top svg {
    width: 22px;
    height: 22px;
}