/* ========================================
   上海盛拓通信科技有限公司 - 官方网站样式
   ======================================== */

/* CSS变量 */
:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --secondary: #0f172a;
    --secondary-light: #1e293b;
    --accent: #00a8e8;
    --text: #1a1a2e;
    --text-light: #4a5568;
    --text-muted: #718096;
    --bg: #ffffff;
    --bg-light: #f7fafc;
    --bg-dark: #0a2540;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container: 1200px;
}

/* 重置与基础 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

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

ul {
    list-style: none;
}

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

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

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(14, 165, 233, 0.3);
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.btn-full {
    width: 100%;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 37, 64, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: white;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 900;
    color: white;
}

.logo-text {
    font-size: 1.25rem;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 6px;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.nav-btn {
    padding: 8px 20px;
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    color: white;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 8px;
    transition: var(--transition);
    margin-left: 16px;
    white-space: nowrap;
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(14, 165, 233, 0.3);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: white;
    transition: var(--transition);
    border-radius: 2px;
}

/* Hero区域 */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    opacity: 0.4;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    padding: 120px 0 80px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-line {
    display: block;
}

.hero-line.accent {
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #10b981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.7);
    max-width: 700px;
    margin: 0 auto 48px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.stat-suffix {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 8px;
}

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

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    display: block;
    width: 32px;
    height: 48px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    position: relative;
}

.scroll-indicator span {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { top: 8px; opacity: 1; }
    50% { top: 24px; opacity: 0.3; }
}

/* 通用section样式 */
.section {
    padding: 100px 0;
}

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

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

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

.section-dark .section-desc {
    color: rgba(255, 255, 255, 0.6);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text);
}

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

/* 关于我们 */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-text {
    margin-bottom: 40px;
}

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

.about-text .lead {
    font-size: 1.25rem;
    color: var(--text);
    font-weight: 500;
}

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

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

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #10b981 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

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

.feature-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.feature-info p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.about-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.visual-card {
    position: relative;
    width: 280px;
    height: 280px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.visual-content {
    text-align: center;
    color: white;
    z-index: 2;
}

.visual-year {
    display: block;
    font-size: 4rem;
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #10b981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.visual-label {
    font-size: 1.125rem;
    opacity: 0.8;
    margin-top: 8px;
}

.visual-ring {
    position: absolute;
    inset: -20px;
    border: 2px dashed rgba(14, 165, 233, 0.3);
    border-radius: 50%;
    animation: spin 30s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.visual-dots {
    position: absolute;
    display: flex;
    gap: 8px;
    bottom: 20%;
    right: 10%;
}

.visual-dots span {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.4;
    animation: pulse 2s infinite;
}

.visual-dots span:nth-child(2) { animation-delay: 0.3s; }
.visual-dots span:nth-child(3) { animation-delay: 0.6s; }

@keyframes pulse {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.3); }
}

/* 业务领域 */
.business-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.business-card {
    background: var(--secondary-light);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.business-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0ea5e9 0%, #06b6d4 100%);
    transform: scaleX(0);
    transition: var(--transition);
}

.business-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    border-color: rgba(14, 165, 233, 0.2);
}

.business-card:hover::before {
    transform: scaleX(1);
}

.business-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #10b981 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

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

.business-title {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: white;
}

.business-desc {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 20px;
    line-height: 1.7;
}

.business-list {
    margin-bottom: 24px;
}

.business-list li {
    padding: 8px 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.business-list li:last-child {
    border-bottom: none;
}

.business-list strong {
    color: var(--primary);
    font-weight: 600;
}

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

.tag {
    padding: 6px 14px;
    background: rgba(14, 165, 233, 0.15);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 500;
}

/* 成功案例 */
.solutions-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 28px;
    border: none;
    background: var(--bg-light);
    color: var(--text-muted);
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.tab-btn:hover {
    background: var(--border);
    color: var(--text);
}

.tab-btn.active {
    background: var(--secondary);
    color: white;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

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

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

.case-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}

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

.case-card.featured {
    grid-column: span 2;
    grid-row: span 2;
    display: grid;
    grid-template-rows: 1fr auto;
}

.case-image {
    position: relative;
    height: 100%;
    min-height: 200px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 37, 64, 0.8) 0%, transparent 60%);
}

.case-info {
    padding: 24px;
}

.case-card.featured .case-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    color: white;
}

.case-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary);
    color: white;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.case-info h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.case-info p {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.case-card.featured .case-info p {
    color: rgba(255, 255, 255, 0.8);
}

/* 资质荣誉 */
.qual-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.qual-card {
    background: var(--secondary-light);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

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

.qual-image {
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--secondary);
}

.qual-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.qual-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    gap: 12px;
}

.qual-placeholder svg {
    width: 48px;
    height: 48px;
}

.qual-info {
    padding: 20px;
}

.qual-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: white;
    margin-bottom: 4px;
}

.qual-info p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* 合作伙伴 */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.partner-card {
    background: white;
    border-radius: var(--radius);
    padding: 40px 32px;
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.partner-logo {
    margin-bottom: 20px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-logo svg {
    max-width: 180px;
    height: auto;
}

.partner-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* 联系我们 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

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

.contact-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 24px;
    background: var(--secondary-light);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #10b981 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
}

.contact-detail h4 {
    font-size: 1rem;
    font-weight: 600;
    color: white;
    margin-bottom: 6px;
}

.contact-detail p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.contact-detail p.sub {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 4px;
}

/* 联系表单 */
.contact-form-wrapper {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 28px;
    color: var(--text);
}

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

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.9375rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg);
    color: var(--text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

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

/* 页脚 */
.footer {
    background: #051524;
    color: white;
    padding: 64px 0 32px;
}

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

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    transition: var(--transition);
}

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

.footer-contact p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.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, 0.4);
    font-size: 0.875rem;
    line-height: 1.7;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-visual {
        order: -1;
    }
    
    .business-grid {
        grid-template-columns: 1fr;
    }
    
    .case-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-card.featured {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .qual-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--secondary);
        flex-direction: column;
        padding: 80px 32px 32px;
        transition: var(--transition);
        gap: 4px;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        padding: 12px 16px;
        font-size: 1.125rem;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .case-grid {
        grid-template-columns: 1fr;
    }
    
    .case-card.featured {
        grid-column: span 1;
    }
    
    .qual-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .visual-card {
        width: 220px;
        height: 220px;
    }
    
    .visual-year {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    
    .stat-item {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .stat-label {
        margin-top: 0;
    }
    
    .section {
        padding: 64px 0;
    }
    
    .business-card {
        padding: 28px;
    }
    
    .contact-form-wrapper {
        padding: 28px;
    }
}

/* 滚动显示动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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