/* Base */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
	margin: 0;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
	color: #101828;
	background: #ffffff;
	line-height: 1.6;
}
a { color: #175CD3; text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }

/* Header */
.site-header { position: sticky; top: 0; background: rgba(255,255,255,0.9); backdrop-filter: saturate(180%) blur(10px); border-bottom: 1px solid #EEF2F6; z-index: 20; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 0; }
.brand img { height: 32px; }
.site-nav ul { list-style: none; display: flex; gap: 20px; margin: 0; padding: 0; }
.site-nav a { color: #344054; font-weight: 600; }
.cta { display: flex; gap: 12px; align-items: center; }
.nav-toggle { display: none; background: transparent; border: 0; font-size: 22px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; border-radius: 10px; font-weight: 600; border: 1px solid transparent; transition: all .2s ease; }
.btn-primary { background: #175CD3; color: #fff; }
.btn-primary:hover { filter: brightness(0.95); text-decoration: none; }
.btn-secondary { background: #EFF4FF; color: #175CD3; border-color: #D1E0FF; }
.btn-ghost { background: transparent; color: #175CD3; border-color: #D0D5DD; }

/* Hero */
.hero { padding: 64px 0; background: radial-gradient(1200px 500px at 70% -10%, #EFF4FF, rgba(239,244,255,0) 60%); }
.hero-inner { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 24px; }
.hero .eyebrow { color: #6941C6; font-weight: 700; margin: 0 0 8px; }
.hero h1 { font-size: 40px; line-height: 1.15; margin: 0 0 12px; }
.hero .subtitle { color: #475467; margin: 0 0 20px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-media img { width: 100%; height: auto; }

/* Sections */
.section { padding: 56px 0; }
.section.alt { background: #F8FAFC; }
.section h2 { margin: 0 0 8px; font-size: 28px; }
.section .section-desc { color: #475467; margin: 0 0 24px; }
.note { background: #ECFDF3; color: #027A48; border: 1px solid #ABEFC6; padding: 12px 16px; border-radius: 8px; }

/* Cards & Features */
.cards, .features { display: grid; gap: 16px; }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.cards.three, .features.three { grid-template-columns: repeat(3, 1fr); }
.card, .feature { background: #fff; border: 1px solid #EEF2F6; border-radius: 12px; padding: 16px; }
.card h3, .feature h3 { margin: 0 0 8px; font-size: 18px; }
.card ul { margin: 0; padding-left: 18px; color: #475467; }
.feature img { width: 48px; height: 48px; }

/* Channels */
.channel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.channel { background: #F2F4F7; border: 1px dashed #D0D5DD; border-radius: 10px; padding: 16px; text-align: center; color: #344054; font-weight: 600; }

/* Metrics */
.gradient-text { background: linear-gradient(90deg, #175CD3 0%, #6941C6 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.metric-card { position: relative; background: #ffffff; border: 1px solid #EEF2F6; border-radius: 14px; padding: 20px; text-align: center; }
.metric-card.glass { background: linear-gradient(180deg, rgba(255,255,255,.6), rgba(255,255,255,.9)); backdrop-filter: blur(6px); }
.metric-value { font-size: 36px; font-weight: 800; color: #175CD3; letter-spacing: .5px; }
.metric-label { margin: 6px 0 0; color: #475467; }

/* Logo wall */
.logo-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.logo-item { border: 1px solid #EEF2F6; background: #fff; border-radius: 10px; padding: 16px; text-align: center; color: #344054; font-weight: 700; opacity: .9; }

/* Testimonials */
.testimonial .quote { color: #101828; font-weight: 600; }
.testimonial .author { color: #667085; margin: 8px 0 0; }

/* FAQ */
.faq-list { display: grid; gap: 10px; }
.faq { border: 1px solid #EEF2F6; border-radius: 10px; background: #fff; }
.faq summary { cursor: pointer; list-style: none; padding: 12px 16px; font-weight: 700; color: #344054; }
.faq .answer { padding: 0 16px 12px; color: #475467; }
.faq[open] { border-color: #D1E0FF; box-shadow: 0 1px 2px rgba(16,24,40,.06), 0 0 0 4px #EFF4FF inset; }
.faq-cta { margin-top: 12px; }

/* Motion & hover polish */
.card, .feature, .metric-card, .logo-item { transition: transform .18s ease, box-shadow .18s ease; }
.card:hover, .feature:hover, .metric-card:hover, .logo-item:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(16,24,40,.08); }
.btn { box-shadow: 0 1px 2px rgba(16,24,40,.04); }
.btn:hover { box-shadow: 0 4px 12px rgba(23,92,211,.24); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity .5s ease, transform .5s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* Contact */
.contact .contact-form { background: #fff; border: 1px solid #EEF2F6; border-radius: 12px; padding: 16px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 12px; }
label { display: grid; gap: 6px; font-weight: 600; color: #344054; }
input, textarea { width: 100%; padding: 10px 12px; border: 1px solid #D0D5DD; border-radius: 10px; font: inherit; }
input:focus, textarea:focus { outline: 3px solid #EFF4FF; border-color: #84ADFF; }
.form-actions { display: flex; gap: 12px; align-items: center; margin-top: 4px; }
.form-status { margin-top: 8px; color: #027A48; }

/* Footer */
.site-footer { border-top: 1px solid #EEF2F6; background: #ffffff; }
.footer-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding: 24px 0; align-items: start; }
.footer-col h4 { margin: 0 0 8px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.footer-brand { text-align: right; color: #475467; }
.footer-brand img { height: 28px; margin-bottom: 8px; }

/* Responsive */
@media (max-width: 960px) {
	.hero-inner { grid-template-columns: 1fr; }
	.cards.three, .features.three { grid-template-columns: repeat(2, 1fr); }
	.channel-grid { grid-template-columns: repeat(2, 1fr); }
	.metrics-grid { grid-template-columns: repeat(2, 1fr); }
	.logo-wall { grid-template-columns: repeat(3, 1fr); }
	.footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
	.site-nav { display: none; position: absolute; top: 56px; left: 0; right: 0; background: #fff; border-bottom: 1px solid #EEF2F6; }
	.site-nav.open { display: block; }
	.site-nav ul { flex-direction: column; gap: 0; }
	.site-nav li { border-top: 1px solid #F2F4F7; }
	.site-nav a { display: block; padding: 12px 16px; }
	.nav-toggle { display: inline-block; }
	.cards.two, .cards.three, .features.three { grid-template-columns: 1fr; }
	.metrics-grid { grid-template-columns: 1fr; }
	.logo-wall { grid-template-columns: 1fr 1fr; }
	.form-grid { grid-template-columns: 1fr; }
	.footer-inner { grid-template-columns: 1fr; text-align: left; }
	.footer-brand { text-align: left; }
}