/* ===== 基础重置 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --accent: #8b5cf6;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --light: #f1f5f9;
    --white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; color: var(--dark); line-height: 1.6; overflow-x: hidden; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== 导航栏 ===== */
.navbar { position: fixed; top: 0; left: 0; right: 0; background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); box-shadow: var(--shadow-sm); z-index: 1000; transition: all 0.3s ease; }
.navbar.scrolled { box-shadow: var(--shadow); }
.nav-container { display: flex; justify-content: space-between; align-items: center; padding: 1rem 20px; }
.logo { display: flex; align-items: center; gap: 0.5rem; font-size: 1.5rem; font-weight: 700; cursor: pointer; }
.logo-icon { font-size: 2rem; }
.logo-text { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-menu { display: flex; list-style: none; gap: 2rem; }
.nav-menu a { text-decoration: none; color: var(--dark); font-weight: 500; transition: color 0.3s ease; position: relative; }
.nav-menu a:hover, .nav-menu a.active { color: var(--primary); }
.nav-menu a::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background: var(--gradient-primary); transition: width 0.3s ease; }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }
.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 5px; }
.mobile-menu-btn span { width: 25px; height: 3px; background: var(--dark); border-radius: 2px; transition: all 0.3s ease; }

/* ===== 按钮 ===== */
.btn-primary, .btn-secondary { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1.5rem; border-radius: 50px; text-decoration: none; font-weight: 600; transition: all 0.3s ease; border: none; cursor: pointer; font-size: 1rem; }
.btn-primary { background: var(--gradient-primary); color: var(--white); box-shadow: var(--shadow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-secondary { background: var(--white); color: var(--primary); border: 2px solid var(--primary); }
.btn-secondary:hover { background: var(--primary); color: var(--white); }
.btn-large { padding: 1rem 2rem; font-size: 1.1rem; }
.btn-text { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--primary); text-decoration: none; font-weight: 600; transition: gap 0.3s ease; }
.btn-text:hover { gap: 0.75rem; }

/* ===== 英雄横幅 ===== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding: 100px 0 60px; overflow: hidden; }
.hero-bg-effect { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%); z-index: -1; }
.hero-bg-effect::before { content: ''; position: absolute; top: -50%; right: -20%; width: 800px; height: 800px; background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%); border-radius: 50%; }
.hero-content { text-align: center; max-width: 900px; margin: 0 auto; }
.hero-badge { display: inline-block; background: rgba(99, 102, 241, 0.1); color: var(--primary); padding: 0.5rem 1rem; border-radius: 50px; font-weight: 600; margin-bottom: 1.5rem; animation: fadeInDown 0.8s ease; }
.hero-title { font-size: 3.5rem; font-weight: 800; line-height: 1.2; margin-bottom: 1.5rem; animation: fadeInUp 0.8s ease 0.2s both; }
.gradient-text { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 1.25rem; color: var(--gray); max-width: 700px; margin: 0 auto 2rem; animation: fadeInUp 0.8s ease 0.4s both; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; margin: 3rem 0; animation: fadeInUp 0.8s ease 0.6s both; }
.stat-item { text-align: center; }
.stat-number { font-size: 2.5rem; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { color: var(--gray); font-size: 0.9rem; margin-top: 0.5rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; margin-top: 2rem; animation: fadeInUp 0.8s ease 0.8s both; }
.hero-scroll-indicator { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); text-align: center; color: var(--gray); font-size: 0.9rem; animation: bounce 2s infinite; }
.scroll-arrow { width: 20px; height: 20px; border-right: 2px solid var(--gray); border-bottom: 2px solid var(--gray); transform: rotate(45deg); margin: 10px auto 0; }

/* ===== 通用区块 ===== */
section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header h2 { font-size: 2.5rem; font-weight: 700; margin-bottom: 1rem; }
.section-header p { font-size: 1.1rem; color: var(--gray); }

/* ===== 价值主张 ===== */
.value-prop { background: var(--light); }
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.value-card { background: var(--white); padding: 2rem; border-radius: 20px; text-align: center; transition: all 0.3s ease; box-shadow: var(--shadow-sm); }
.value-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-xl); }
.value-icon { font-size: 3rem; margin-bottom: 1rem; }
.value-card h3 { font-size: 1.3rem; margin-bottom: 1rem; }
.value-card p { color: var(--gray); }

/* ===== 服务预览 ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.service-card { background: var(--white); border: 2px solid var(--light); border-radius: 20px; padding: 2rem; transition: all 0.3s ease; position: relative; overflow: hidden; }
.service-card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-5px); }
.service-card.featured { border-color: var(--primary); background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%); }
.service-badge { position: absolute; top: 15px; right: 15px; background: var(--gradient-primary); color: var(--white); padding: 0.3rem 0.8rem; border-radius: 50px; font-size: 0.8rem; font-weight: 600; }
.service-icon { font-size: 3rem; margin-bottom: 1rem; }
.service-card h3 { font-size: 1.5rem; margin-bottom: 1rem; }
.service-card p { color: var(--gray); margin-bottom: 1.5rem; }
.service-features { list-style: none; margin-bottom: 1.5rem; }
.service-features li { padding: 0.5rem 0; color: var(--dark-light); }
.service-link { color: var(--primary); text-decoration: none; font-weight: 600; transition: gap 0.3s ease; display: inline-flex; align-items: center; gap: 0.5rem; }
.service-link:hover { gap: 0.75rem; }
.services-cta, .cases-cta { text-align: center; margin-top: 3rem; }

/* ===== 案例预览 ===== */
.cases-preview { background: var(--light); }
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.case-card { background: var(--white); border-radius: 20px; padding: 2rem; transition: all 0.3s ease; box-shadow: var(--shadow-sm); }
.case-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-xl); }
.case-category { display: inline-block; background: rgba(99, 102, 241, 0.1); color: var(--primary); padding: 0.3rem 0.8rem; border-radius: 50px; font-size: 0.8rem; font-weight: 600; margin-bottom: 1rem; }
.case-card h3 { font-size: 1.3rem; margin-bottom: 1rem; }
.case-card p { color: var(--gray); margin-bottom: 1.5rem; }
.case-metrics { display: flex; gap: 1.5rem; }
.metric { text-align: center; }
.metric-value { display: block; font-size: 1.8rem; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.metric-label { font-size: 0.8rem; color: var(--gray); }

/* ===== 流程 ===== */
.process-timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; position: relative; }
.process-step { text-align: center; position: relative; }
.step-number { width: 60px; height: 60px; border-radius: 50%; background: var(--gradient-primary); color: var(--white); font-size: 1.5rem; font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 1.5rem; }
.step-content h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.step-content p { color: var(--gray); }

/* ===== CTA 区块 ===== */
.cta-section { background: var(--gradient-dark); color: var(--white); }
.cta-content { text-align: center; }
.cta-content h2 { font-size: 2.5rem; margin-bottom: 1rem; }
.cta-content p { font-size: 1.2rem; opacity: 0.9; margin-bottom: 2rem; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; }

/* ===== 页脚 ===== */
.footer { background: var(--dark); color: var(--white); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand .logo { margin-bottom: 1rem; }
.footer-brand p { color: var(--gray-light); margin-bottom: 1.5rem; }
.social-links { display: flex; gap: 1rem; }
.social-links a { font-size: 1.5rem; text-decoration: none; transition: transform 0.3s ease; }
.social-links a:hover { transform: scale(1.2); }
.footer-links h4, .footer-contact h4 { font-size: 1.1rem; margin-bottom: 1rem; }
.footer-links ul, .footer-contact ul { list-style: none; }
.footer-links li, .footer-contact li { margin-bottom: 0.8rem; }
.footer-links a { color: var(--gray-light); text-decoration: none; transition: color 0.3s ease; }
.footer-links a:hover { color: var(--primary-light); }
.footer-contact li { color: var(--gray-light); }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid var(--dark-light); color: var(--gray-light); }

/* ===== 页面头部 ===== */
.page-header { background: var(--gradient-dark); color: var(--white); padding: 150px 0 80px; text-align: center; }
.page-header h1 { font-size: 3rem; margin-bottom: 1rem; }
.page-header p { font-size: 1.2rem; opacity: 0.9; }
.contact-header { background: var(--gradient-primary); }
/* ===== 服务详情页面 ===== */
.services-detail { padding: 60px 0; }
.service-detail-card { background: var(--white); border-radius: 20px; padding: 3rem; margin-bottom: 3rem; box-shadow: var(--shadow-lg); border: 2px solid var(--light); }
.service-detail-header { display: flex; align-items: center; gap: 2rem; margin-bottom: 2rem; padding-bottom: 2rem; border-bottom: 2px solid var(--light); }
.service-icon-large { font-size: 4rem; }
.service-info h2 { font-size: 2rem; margin-bottom: 0.5rem; }
.service-tagline { color: var(--gray); font-size: 1.1rem; }
.service-description, .service-packages, .consulting-process, .optimization-deliverables { margin-bottom: 2rem; }
.service-description h3, .service-packages h3, .consulting-process h3, .optimization-deliverables h3 { font-size: 1.5rem; margin-bottom: 1.5rem; color: var(--primary); }
.feature-list { list-style: none; }
.feature-list li { padding: 0.75rem 0; font-size: 1rem; border-bottom: 1px solid var(--light); }
.feature-list li:last-child { border-bottom: none; }
.package-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.package-card { background: var(--light); border-radius: 15px; padding: 2rem; text-align: center; position: relative; transition: all 0.3s ease; }
.package-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.package-card.recommended { background: var(--gradient-primary); color: var(--white); }
.package-badge { position: absolute; top: 10px; right: 10px; background: var(--secondary); color: var(--white); padding: 0.3rem 0.8rem; border-radius: 50px; font-size: 0.8rem; font-weight: 600; }
.package-card h4 { font-size: 1.3rem; margin-bottom: 1rem; }
.package-price { font-size: 2rem; font-weight: 700; margin-bottom: 1.5rem; }
.package-price span { font-size: 1rem; font-weight: 400; }
.package-features { list-style: none; text-align: left; margin-bottom: 1.5rem; }
.package-features li { padding: 0.5rem 0; }
.pricing-simple { text-align: center; padding: 2rem; background: var(--light); border-radius: 15px; margin-top: 2rem; }
.price-highlight { margin-bottom: 1rem; }
.price-label { display: block; color: var(--gray); font-size: 1rem; margin-bottom: 0.5rem; }
.price-value { font-size: 2.5rem; font-weight: 700; color: var(--primary); }
.price-value span { font-size: 1rem; font-weight: 400; }
.price-note { color: var(--gray); margin-bottom: 1.5rem; }
.optimization-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.opt-item { background: var(--light); padding: 1.5rem; border-radius: 15px; }
.opt-item h4 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.opt-item p { color: var(--gray); font-size: 0.9rem; }
.deliverable-list { list-style: none; }
.deliverable-list li { padding: 0.75rem 0; border-bottom: 1px solid var(--light); }
.deliverable-list li:last-child { border-bottom: none; }
.process-steps-horizontal { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.process-step-h { text-align: center; padding: 1.5rem; background: var(--light); border-radius: 15px; }
.step-h-number { width: 50px; height: 50px; border-radius: 50%; background: var(--gradient-primary); color: var(--white); font-size: 1.3rem; font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; }
.process-step-h h4 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.process-step-h p { color: var(--gray); font-size: 0.9rem; }
.custom-engagement { margin-top: 2rem; }
.engagement-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.engagement-item { background: var(--light); padding: 1.5rem; border-radius: 15px; text-align: center; }
.engagement-item h4 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.engagement-item p { color: var(--gray); margin-bottom: 1rem; }
.engagement-price { display: block; font-size: 1.3rem; font-weight: 700; color: var(--primary); }

/* ===== FAQ ===== */
.faq-section { background: var(--light); }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.faq-item { background: var(--white); padding: 2rem; border-radius: 15px; box-shadow: var(--shadow-sm); }
.faq-item h3 { font-size: 1.2rem; margin-bottom: 1rem; color: var(--primary); }
.faq-item p { color: var(--gray); line-height: 1.8; }

/* ===== 联系页面 ===== */
.contact-section { padding: 60px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; }
.contact-info h2 { font-size: 2rem; margin-bottom: 1rem; }
.contact-intro { color: var(--gray); margin-bottom: 2rem; }
.contact-methods { margin-bottom: 2rem; }
.contact-method { display: flex; align-items: flex-start; gap: 1.5rem; margin-bottom: 2rem; }
.method-icon { font-size: 2.5rem; width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; background: rgba(99, 102, 241, 0.1); border-radius: 50%; }
.method-content h3 { font-size: 1.2rem; margin-bottom: 0.3rem; }
.method-content p { font-size: 1.1rem; color: var(--dark); margin-bottom: 0.3rem; }
.method-note { font-size: 0.9rem; color: var(--gray); }
.social-connect h3 { font-size: 1.2rem; margin-bottom: 1rem; }
.social-links-large { display: flex; gap: 1rem; flex-wrap: wrap; }
.social-link { display: flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1.25rem; background: var(--light); border-radius: 50px; text-decoration: none; color: var(--dark); font-weight: 600; transition: all 0.3s ease; }
.social-link:hover { background: var(--primary); color: var(--white); transform: translateY(-2px); }

/* ===== 表单 ===== */
.form-card { background: var(--white); padding: 2.5rem; border-radius: 20px; box-shadow: var(--shadow-xl); }
.form-card h2 { font-size: 1.8rem; margin-bottom: 0.5rem; }
.form-subtitle { color: var(--gray); margin-bottom: 2rem; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form-group { display: flex; flex-direction: column; }
.form-group.full-width { grid-column: 1 / -1; }
.form-group label { font-weight: 600; margin-bottom: 0.5rem; color: var(--dark); }
.required { color: var(--secondary); }
.form-group input, .form-group select, .form-group textarea { padding: 0.75rem 1rem; border: 2px solid var(--light); border-radius: 10px; font-size: 1rem; font-family: inherit; transition: all 0.3s ease; }
.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(99, 102, 241, 0.1); }
.form-group textarea { resize: vertical; }
.checkbox-label { display: flex; align-items: flex-start; gap: 0.5rem; font-weight: 400 !important; cursor: pointer; }
.checkbox-label input[type="checkbox"] { width: auto; margin-top: 4px; }
.btn-submit { justify-content: center; width: 100%; padding: 1rem; font-size: 1.1rem; }
.form-note { grid-column: 1 / -1; text-align: center; color: var(--gray); font-size: 0.9rem; margin-top: 1rem; }

/* ===== 预约区块 ===== */
.booking-section { background: var(--light); }
.booking-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.booking-card { background: var(--white); border-radius: 20px; padding: 2rem; text-align: center; box-shadow: var(--shadow-sm); transition: all 0.3s ease; position: relative; }
.booking-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.booking-card.featured { border: 2px solid var(--primary); }
.booking-badge { position: absolute; top: 10px; right: 10px; background: var(--gradient-primary); color: var(--white); padding: 0.3rem 0.8rem; border-radius: 50px; font-size: 0.8rem; font-weight: 600; }
.booking-type h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.booking-type p { color: var(--gray); margin-bottom: 1.5rem; }
.booking-details { display: flex; justify-content: center; gap: 2rem; margin-bottom: 1.5rem; }
.duration, .price { font-weight: 600; }
.price { color: var(--primary); font-size: 1.2rem; }

/* ===== 案例详情页面 ===== */
.cases-filter-section { padding: 40px 0; background: var(--light); }
.filter-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.filter-btn { padding: 0.75rem 1.5rem; border: 2px solid var(--gray-light); background: var(--white); border-radius: 50px; font-weight: 600; cursor: pointer; transition: all 0.3s ease; }
.filter-btn:hover, .filter-btn.active { border-color: var(--primary); background: var(--primary); color: var(--white); }
.cases-detail { padding: 60px 0; }
.case-detail-card { background: var(--white); border-radius: 20px; padding: 3rem; margin-bottom: 3rem; box-shadow: var(--shadow-lg); border: 2px solid var(--light); }
.case-detail-header { margin-bottom: 2rem; }
.case-category-badge { display: inline-block; background: rgba(99, 102, 241, 0.1); color: var(--primary); padding: 0.5rem 1rem; border-radius: 50px; font-weight: 600; margin-bottom: 1rem; }
.case-detail-header h2 { font-size: 2rem; }
.case-detail-content h3 { font-size: 1.3rem; color: var(--primary); margin: 2rem 0 1rem; }
.case-detail-content p { color: var(--gray); line-height: 1.8; }
.challenge-list { list-style: none; padding-left: 0; }
.challenge-list li { padding: 0.75rem 0; padding-left: 2rem; position: relative; }
.challenge-list li::before { content: '⚠️'; position: absolute; left: 0; }
.solution-steps { list-style: none; padding-left: 0; counter-reset: step; }
.solution-steps li { padding: 0.75rem 0; padding-left: 2rem; position: relative; counter-increment: step; }
.solution-steps li::before { content: counter(step); position: absolute; left: 0; width: 24px; height: 24px; background: var(--primary); color: var(--white); border-radius: 50%; text-align: center; line-height: 24px; font-size: 0.8rem; font-weight: 700; }
.case-metrics-large { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin: 2rem 0; padding: 2rem; background: var(--light); border-radius: 15px; }
.metric-large { text-align: center; }
.metric-value-large { display: block; font-size: 3rem; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.metric-label-large { font-size: 0.9rem; color: var(--gray); }
.case-quote { margin-top: 2rem; padding: 1.5rem; background: rgba(99, 102, 241, 0.05); border-left: 4px solid var(--primary); border-radius: 10px; font-style: italic; color: var(--dark-light); }

/* ===== 动画 ===== */
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(10px); } }

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .hero-stats, .value-grid, .services-grid, .cases-grid, .process-timeline, .footer-grid, .package-grid, .booking-options, .case-metrics-large, .optimization-grid, .engagement-options, .process-steps-horizontal { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-menu { display: none; }
    .mobile-menu-btn { display: flex; }
    .hero-title { font-size: 2.5rem; }
    .hero-stats, .value-grid, .services-grid, .cases-grid, .process-timeline, .footer-grid, .package-grid, .booking-options, .case-metrics-large, .optimization-grid, .engagement-options, .process-steps-horizontal { grid-template-columns: 1fr; }
    .hero-actions, .cta-actions { flex-direction: column; }
    .section-header h2 { font-size: 2rem; }
    .contact-form { grid-template-columns: 1fr; }
}