:root {
--primary: #0F172A;
--accent: #3B82F6;
--accent-hover: #2563EB;
--bg: #FFFFFF;
--bg-alt: #F8FAFC;
--text: #0F172A;
--text-muted: #64748B;
--border: #E2E8F0;
--shadow: 0 4px 12px rgba(15,23,42,0.06);
--shadow-lg: 0 12px 32px rgba(15,23,42,0.10);
--radius: 10px;
--radius-lg: 16px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
margin: 0;
font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
font-size: 16px;
line-height: 1.6;
color: var(--text);
background: var(--bg);
}
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
a { color: var(--accent); }

header {
position: sticky; top: 0;
background: rgba(255,255,255,0.92);
backdrop-filter: blur(8px);
border-bottom: 1px solid var(--border);
z-index: 100;
}
nav {
max-width: 1180px; margin: 0 auto; padding: 16px 24px;
display: flex; align-items: center; justify-content: space-between; gap: 32px;
}
.logo { font-size: 20px; font-weight: 700; color: var(--primary); text-decoration: none; letter-spacing: -0.02em; }
nav ul { display: flex; gap: 32px; list-style: none; margin: 0; padding: 0; }
nav ul a { color: var(--text-muted); text-decoration: none; font-size: 15px; font-weight: 500; transition: color 0.15s; }
nav ul a:hover { color: var(--text); }

.btn-primary, .btn-secondary {
display: inline-block; padding: 10px 18px; border-radius: var(--radius);
font-size: 15px; font-weight: 600; text-decoration: none; transition: all 0.15s;
border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #1E293B; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-secondary { background: transparent; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--text-muted); }
.btn-lg { padding: 14px 24px; font-size: 16px; }

.hero { padding: 96px 0 64px; text-align: center; }
.hero h1 { font-size: clamp(36px, 5vw, 56px); line-height: 1.1; letter-spacing: -0.03em; margin: 0 0 20px; font-weight: 700; max-width: 840px; margin-left: auto; margin-right: auto; }
.hero .lede { font-size: 20px; color: var(--text-muted); margin: 0 auto 36px; max-width: 620px; }
.cta-group { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.hero-subnote { font-size: 14px; color: var(--text-muted); margin-top: 32px; }

section { padding: 64px 0; }
.section-alt { background: var(--bg-alt); }
h2 { font-size: clamp(28px, 4vw, 40px); line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 16px; text-align: center; }
.section-lede { font-size: 18px; color: var(--text-muted); text-align: center; max-width: 640px; margin: 0 auto 56px; }

.logos { padding: 32px 0 64px; text-align: center; }
.logos p { font-size: 13px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 24px; }
.logos ul { display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; list-style: none; padding: 0; margin: 0; }
.logos li { font-size: 18px; font-weight: 600; color: #94A3B8; letter-spacing: -0.01em; }

.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; max-width: 1080px; margin: 0 auto; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; }

.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; transition: all 0.2s; }
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.card h3 { font-size: 20px; margin: 16px 0 8px; letter-spacing: -0.01em; }
.card p { color: var(--text-muted); margin: 0; }
.card .icon { width: 40px; height: 40px; border-radius: 10px; background: var(--bg-alt); display: flex; align-items: center; justify-content: center; font-size: 20px; }

.stats { background: var(--primary); color: #fff; text-align: center; }
.stats .grid-4 { max-width: 1080px; margin: 0 auto; }
.stats .stat-num { font-size: 48px; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 8px; }
.stats .stat-label { color: rgba(255,255,255,0.7); font-size: 15px; }

.testimonial { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; }
.testimonial blockquote { font-size: 17px; line-height: 1.5; margin: 0 0 24px; color: var(--text); }
.testimonial .author { display: flex; align-items: center; gap: 12px; }
.testimonial .avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg,#3B82F6,#8B5CF6); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 600; }
.testimonial .author-info strong { display: block; font-size: 15px; }
.testimonial .author-info span { font-size: 14px; color: var(--text-muted); }

.final-cta { text-align: center; padding: 96px 0; }
.final-cta h2 { margin-bottom: 16px; }
.final-cta p { color: var(--text-muted); font-size: 18px; margin-bottom: 32px; }

footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding: 64px 0 32px; }
footer .container > .grid-4 { margin-bottom: 48px; }
footer h4 { font-size: 14px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin: 0 0 16px; }
footer ul { list-style: none; padding: 0; margin: 0; }
footer ul li { margin-bottom: 10px; }
footer ul a { color: var(--text); text-decoration: none; font-size: 15px; }
footer ul a:hover { color: var(--accent); }
.copyright { text-align: center; font-size: 14px; color: var(--text-muted); padding-top: 32px; border-top: 1px solid var(--border); margin: 0; }

.page-hero { padding: 80px 0 48px; text-align: center; }
.page-hero h1 { font-size: clamp(32px, 4.5vw, 48px); letter-spacing: -0.02em; margin: 0 0 16px; }
.page-hero p { font-size: 19px; color: var(--text-muted); max-width: 640px; margin: 0 auto; }

.prose { max-width: 720px; margin: 0 auto; padding: 32px 24px 80px; font-size: 17px; line-height: 1.7; }
.prose h2 { font-size: 28px; text-align: left; margin: 48px 0 16px; }
.prose h3 { font-size: 20px; margin: 32px 0 8px; }
.prose p, .prose li { font-size: 17px; line-height: 1.7; }
.prose ul, .prose ol { padding-left: 24px; }
.prose li { margin-bottom: 8px; }
.prose blockquote { border-left: 3px solid var(--accent); padding-left: 20px; color: var(--text-muted); margin: 24px 0; font-style: italic; }

.contact-form { max-width: 560px; margin: 0 auto; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 500; }
.form-group input, .form-group textarea, .form-group select {
width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius);
font-family: inherit; font-size: 15px; background: var(--bg);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.form-group textarea { min-height: 120px; resize: vertical; }

.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; max-width: 1080px; margin: 0 auto; }
.price-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; }
.price-card.featured { border-color: var(--accent); box-shadow: var(--shadow-lg); }
.price-card h3 { font-size: 22px; margin: 0 0 8px; }
.price-card .price { font-size: 40px; font-weight: 700; letter-spacing: -0.02em; margin: 16px 0; }
.price-card .price span { font-size: 16px; color: var(--text-muted); font-weight: 400; }
.price-card ul { list-style: none; padding: 0; margin: 24px 0; }
.price-card ul li { padding: 8px 0; color: var(--text-muted); }

.blog-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 32px; max-width: 1080px; margin: 0 auto; }
.blog-card { border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; background: #fff; transition: all 0.2s; }
.blog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.blog-card h3 { margin: 0 0 12px; font-size: 20px; }
.blog-card h3 a { color: var(--text); text-decoration: none; }
.blog-card .meta { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.blog-card p { color: var(--text-muted); margin: 0; }

@media (max-width: 768px) {
nav ul { display: none; }
.hero { padding: 64px 0 48px; }
section { padding: 48px 0; }
}