/* ====================
   基础样式重置
   ==================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1a1a2e;
    --primary-light: #16213e;
    --accent: #0f3460;
    --accent-light: #e94560;
    --text: #1a1a2e;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --border: #e5e7eb;
    --border-light: #f1f5f9;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 80px rgba(0, 0, 0, 0.12);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

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

/* ====================
   容器
   ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ====================
   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(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow);
    padding: 12px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo-img {
    height: 40px;
    width: auto;
    transition: var(--transition);
}

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

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    position: relative;
    padding: 4px 0;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-light);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--accent-light);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

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

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

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ====================
   按钮
   ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
}

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

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

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--border);
}

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

.btn-full {
    width: 100%;
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(15, 52, 96, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(233, 69, 96, 0.02) 0%, transparent 50%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(15, 52, 96, 0.04) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--bg-secondary);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 32px;
    border: 1px solid var(--border-light);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(40px, 8vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    color: var(--primary);
}

.title-line {
    display: block;
}

.title-line:nth-child(2) {
    color: var(--accent-light);
}

.hero-subtitle {
    font-size: clamp(16px, 2.5vw, 20px);
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 40px;
    letter-spacing: 0.05em;
}

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

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.scroll-indicator span {
    font-size: 12px;
    color: var(--text-light);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-light), transparent);
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    50.1% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ====================
   通用 Section
   ==================== */
.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 80px;
}

.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-light);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--primary);
    letter-spacing: -0.01em;
}

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

/* ====================
   关于我们
   ==================== */
.about {
    background: var(--bg);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.about-card {
    padding: 48px 36px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.about-icon {
    width: 56px;
    height: 56px;
    background: var(--primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: #fff;
}

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

.about-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary);
}

.about-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ====================
   技术能力
   ==================== */
.capabilities {
    background: var(--bg-secondary);
}

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

.capability-card {
    display: flex;
    gap: 28px;
    padding: 40px;
    background: var(--bg);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

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

.capability-num {
    font-size: 36px;
    font-weight: 800;
    color: var(--border);
    line-height: 1;
    flex-shrink: 0;
    font-family: 'Inter', sans-serif;
}

.capability-content h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary);
}

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

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

.capability-tags span {
    padding: 6px 14px;
    background: var(--bg-secondary);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

/* ====================
   成就数据
   ==================== */
.achievements {
    background: var(--primary);
    padding: 100px 0;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.achievement-item {
    text-align: center;
    color: #fff;
}

.achievement-num {
    font-size: clamp(36px, 6vw, 56px);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 12px;
    font-family: 'Inter', sans-serif;
}

.achievement-label {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 400;
}

/* ====================
   案例展示 - 精选项目
   ==================== */
.case-featured {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 40px;
}

.case-featured-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 16/10;
}

.case-featured-bg {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #fff;
    font-weight: 700;
    transition: var(--transition);
}

.case-featured-label {
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0.6;
}

.case-featured-name {
    font-size: clamp(24px, 4vw, 42px);
    font-weight: 800;
    letter-spacing: 0.02em;
}

.case-featured-info {
    padding: 20px 0;
}

.case-featured-info .case-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-secondary);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-light);
    margin-bottom: 16px;
}

.case-featured-info h3 {
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--primary);
}

.case-featured-info p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 28px;
}

.case-featured-details {
    display: grid;
    grid-template-columns: 1.65fr 1fr 2fr;
    gap: 20px;
    margin-bottom: 32px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border-light);
}

.case-detail {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-label {
    font-size: 12px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-value {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
}

.case-featured-info .btn {
    padding: 12px 28px;
    font-size: 14px;
}

.case-featured-bg-2 {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: linear-gradient(135deg, #0f3460 0%, #533483 50%, #e94560 100%);
    color: #fff;
    font-weight: 700;
    transition: var(--transition);
}

.case-featured-bg-3 {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: linear-gradient(135deg, #0d1b2a 0%, #1b2838 50%, #2c3e50 100%);
    color: #fff;
    font-weight: 700;
    transition: var(--transition);
}

.case-featured-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-outline-dark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: 1.5px solid var(--border);
    background: transparent;
    color: var(--primary);
    font-family: inherit;
}

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

/* ====================
   灯塔系统 - 功能模块卡片
   ==================== */
.lighthouse-modules {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.module-card {
    background: var(--bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}

.module-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.module-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--border);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.module-card h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 10px;
}

.module-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ====================
   案例展示 - 案例网格
   ==================== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.case-card {
    background: var(--bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.case-image {
    aspect-ratio: 16/10;
    overflow: hidden;
}

.case-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.05em;
}

.case-1 { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.case-2 { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
.case-3 { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
.case-4 { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); }
.case-5 { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); }
.case-6 { background: linear-gradient(135deg, #30cfd0 0%, #330867 100%); }

.case-info {
    padding: 28px;
}

.case-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-secondary);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    color: var(--accent-light);
    margin-bottom: 12px;
}

.case-info h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary);
}

.case-info p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ====================
   联系我们
   ==================== */
.contact {
    background: var(--bg-secondary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-info .section-header {
    text-align: left;
    margin: 0 0 48px 0;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    background: var(--bg);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-light);
    flex-shrink: 0;
    border: 1px solid var(--border-light);
}

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

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 2px;
}

.contact-value {
    font-size: 16px;
    font-weight: 500;
    color: var(--primary);
}

/* 表单 */
.contact-form-wrapper {
    background: var(--bg);
    padding: 48px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: inherit;
    color: var(--text);
    background: var(--bg);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-light);
    box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

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

/* ====================
   页脚
   ==================== */
.footer {
    background: var(--primary);
    color: #fff;
    padding: 80px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    height: 36px;
    width: auto;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

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

.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
    letter-spacing: 0.05em;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col li,
.footer-col a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

.footer-col a:hover {
    color: #fff;
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 4px;
}

.footer-icp {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.3);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-icp:hover {
    color: rgba(255, 255, 255, 0.6);
}

/* ====================
   滚动动画
   ==================== */
[data-aos] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* ====================
   响应式
   ==================== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .contact-wrapper {
        gap: 48px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 32px;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-link {
        font-size: 20px;
        font-weight: 600;
    }

    .nav-toggle {
        display: flex;
    }

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

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

    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

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

    .case-featured {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .case-featured-details {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .case-featured-info {
        padding: 0;
    }

    .lighthouse-modules {
        grid-template-columns: 1fr;
    }

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

    .contact-info .section-header {
        text-align: center;
    }

    .contact-details {
        align-items: flex-start;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .nav-container {
        padding: 0 16px;
    }

    .hero-content {
        padding: 0 16px;
    }

    .contact-form-wrapper {
        padding: 32px 24px;
    }

    .about-card,
    .capability-card {
        padding: 32px 24px;
    }

    .case-info {
        padding: 20px;
    }
}

/* ====================
   页面加载动画
   ==================== */
.hero-badge,
.hero-title,
.hero-subtitle,
.hero-cta {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.hero-badge { animation-delay: 0.2s; }
.hero-title { animation-delay: 0.4s; }
.hero-subtitle { animation-delay: 0.6s; }
.hero-cta { animation-delay: 0.8s; }

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