/* ===================================
   拓普森电商 - 官方网站样式
   =================================== */

/* CSS Variables */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #0f172a;
    --accent-color: #f59e0b;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--secondary-color);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

.highlight {
    color: var(--primary-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

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

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

.btn-full {
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232563eb' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.8;
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--secondary-color);
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 16px;
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--text-light);
    border-bottom: 2px solid var(--text-light);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* Section Styles */
section {
    padding: 100px 0;
}

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

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-header.left .section-desc {
    margin: 0;
}

/* Pain Points */
.pain-points {
    background: var(--bg-white);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.pain-card {
    background: var(--bg-light);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
}

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

.pain-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-color);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.pain-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.pain-card h3 {
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.pain-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

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

.about-text {
    padding-right: 20px;
}

.about-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 40px 0;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.info-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.info-content h4 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 4px;
}

.info-content p {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--secondary-color);
}

.mission-vision {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.mv-card {
    background: var(--bg-white);
    padding: 24px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.mv-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.mv-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

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

.stat-item {
    background: var(--primary-color);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    color: white;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    display: block;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Services */
.services {
    background: var(--bg-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--bg-light);
    padding: 32px;
    border-radius: 16px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.service-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.service-card > p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

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

.service-features li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Timeline */
.timeline {
    background: var(--bg-light);
}

.timeline-container {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.timeline-phase {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow);
}

.phase-header {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--bg-light);
}

.phase-year {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.phase-header h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.phase-header p {
    color: var(--text-secondary);
}

.timeline-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.timeline-item {
    position: relative;
    padding-left: 30px;
    border-left: 3px solid var(--border-color);
}

.timeline-item.current {
    border-left-color: var(--primary-color);
}

.timeline-dot {
    position: absolute;
    left: -9px;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 4px solid var(--bg-white);
    box-shadow: var(--shadow);
}

.timeline-year {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.timeline-content h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

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

.timeline-tags span {
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Cases */
.cases {
    background: var(--bg-white);
}

.case-category {
    margin-bottom: 60px;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 30px;
}

.category-icon {
    font-size: 2rem;
}

.category-header h3 {
    font-size: 1.5rem;
}

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

.case-card {
    background: var(--bg-light);
    border-radius: 16px;
    padding: 24px;
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.case-brand {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-color);
}

.brand-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.brand-platform {
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 500;
}

.case-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.case-scale, .case-achievement {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.case-scale .label, .case-achievement .label {
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.case-scale .value {
    font-weight: 600;
    color: var(--primary-color);
}

.case-achievement p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Partners */
.partners-logos {
    margin-top: 60px;
    padding-top: 60px;
    border-top: 2px solid var(--bg-light);
}

.client-logos-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.client-logo-item {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 30px 20px;
    transition: var(--transition);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
}

.client-logo-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.client-logo-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.client-logo-placeholder .logo-text {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.logos-note {
    text-align: center;
    color: var(--text-light);
    font-size: 0.85rem;
    margin-top: 30px;
    font-style: italic;
}

.logo-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.partner-logo {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition);
}

.partner-logo:hover {
    background: var(--primary-color);
    color: white;
}

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

.advantage-content {
    display: grid;
    gap: 60px;
}

.team-section h3,
.talent-section h3,
.service-standards h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    text-align: center;
}

.leader-card {
    display: flex;
    gap: 30px;
    background: var(--bg-white);
    padding: 30px;
    border-radius: 16px;
    margin-bottom: 30px;
}

.leader-avatar {
flex-shrink: 0;
}

.avatar-placeholder {
    width: 100px;
    height: 100px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    font-weight: 700;
}

.leader-info h4 {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.leader-title {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 16px;
}

.leader-credentials {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.leader-credentials li {
    padding-left: 20px;
    position: relative;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.leader-credentials li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.team-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.team-stat {
    background: var(--bg-white);
    padding: 24px;
    border-radius: 12px;
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

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

.talent-channels {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.channel-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
}

.channel-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-color);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.channel-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.channel-card h4 {
    margin-bottom: 12px;
}

.channel-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.standards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.standard-item {
    background: var(--bg-white);
    padding: 24px;
    border-radius: 12px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.standard-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    flex-shrink: 0;
}

.standard-icon.time { background: linear-gradient(135deg, #10b981, #34d399); }
.standard-icon.conversion { background: linear-gradient(135deg, #f59e0b, #fbbf24); }
.standard-icon.availability { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }
.standard-icon.quality { background: linear-gradient(135deg, #ec4899, #f472b6); }

.standard-content h4 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.standard-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.highlight-text {
    color: var(--primary-color);
    font-weight: 600;
}

/* Data Dashboard */
.data-dashboard {
    margin-top: 60px;
    background: var(--primary-color);
    padding: 40px;
    border-radius: 20px;
    color: white;
}

.data-dashboard h3 {
    text-align: center;
    margin-bottom: 40px;
    color: white;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

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

.dashboard-number {
    font-size: 3rem;
    font-weight: 800;
    display: block;
    margin-bottom: 8px;
}

.dashboard-label {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Process */
.process {
    background: var(--bg-white);
}

.process-steps {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    overflow-x: auto;
    padding: 20px 0;
}

.step {
    flex: 1;
    text-align: center;
    min-width: 150px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto 16px;
}

.step-content h4 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.step-arrow {
    font-size: 1.5rem;
    color: var(--primary-color);
    padding-top: 20px;
}

/* Contact */
.contact {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #1e3a5f 100%);
    color: white;
}

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

.contact .section-title {
    color: white;
}

.contact .section-desc {
    color: rgba(255, 255, 255, 0.8);
}

.contact-desc {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

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

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

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.contact-text h4 {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 4px;
}

.contact-text p {
    font-size: 1rem;
}

.contact-form-wrapper {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 20px;
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    text-align: center;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo .logo-icon {
    background: var(--primary-color);
}

.footer-logo .logo-text {
    color: white;
    font-size: 1.25rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 20px;
}

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

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    margin-bottom: 8px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }

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

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

    .about-stats {
        grid-template-columns: repeat(4, 1fr);
    }

    .logo-grid {
        grid-template-columns: repeat(4, 1fr);
    }

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

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

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }

    .navbar .container {
        height: 70px;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .hamburger {
        display: flex;
    }

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

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .pain-grid,
    .services-grid,
    .cases-grid,
    .standards-grid,
    .talent-channels {
        grid-template-columns: 1fr;
    }

    .mission-vision {
        grid-template-columns: 1fr;
    }

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

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

    .timeline-phase {
        padding: 24px;
    }

    .timeline-items {
        grid-template-columns: 1fr;
    }

    .logo-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .process-steps {
        flex-direction: column;
        align-items: center;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

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

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

    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .logo-text {
        display: none;
    }

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

    .stat-number {
        font-size: 2.5rem;
    }

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

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

    .leader-card {
        flex-direction: column;
        text-align: center;
    }

    .leader-credentials {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Smooth scroll offset for fixed header */
section[id] {
    scroll-margin-top: 80px;
}
