/*
Theme Name: WP Lead Demo
Theme URI: https://wplead.acfunc.online/
Author: DotaClover
Description: Lightweight Chinese landing theme for the WPForms lead-capture demo (everyday AI literacy course).
Version: 2.0.0
Text Domain: wplead-demo
*/

:root {
	--bg: #f5f7fb;
	--ink: #152033;
	--muted: #5b667a;
	--line: #d8dee9;
	--panel: #ffffff;
	--brand: #2563eb;
	--brand-dark: #1d4ed8;
	--teal: #0d9488;
	--amber: #f59e0b;
	--rose: #e11d48;
	--shadow: 0 18px 48px rgba(21, 32, 51, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	background: var(--bg);
	color: var(--ink);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
	font-size: 16px;
	line-height: 1.7;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

.wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
	position: sticky; top: 0; z-index: 30;
	border-bottom: 1px solid rgba(216, 222, 233, 0.9);
	background: rgba(255, 255, 255, 0.94);
	backdrop-filter: blur(12px);
}
.header-inner {
	display: flex; align-items: center; justify-content: space-between;
	min-height: 68px; gap: 16px;
}
.brand {
	display: inline-flex; align-items: center; gap: 10px;
	color: var(--ink); font-weight: 800; text-decoration: none;
}
.brand-mark {
	display: grid; place-items: center;
	width: 40px; height: 40px; border-radius: 10px;
	background: linear-gradient(135deg, var(--brand), var(--teal));
	color: #fff; font-size: 14px; font-weight: 800;
}
.brand small { display: block; margin-top: -2px; color: var(--muted); font-size: 12px; font-weight: 600; }
.nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 14px; font-weight: 700; }
.nav a { color: var(--ink); text-decoration: none; }
.nav-cta {
	display: inline-flex; align-items: center; min-height: 38px;
	padding: 0 14px; border-radius: 10px; background: var(--brand); color: #fff !important;
}

.hero {
	padding: 64px 0 40px;
	background:
		radial-gradient(circle at 12% 18%, rgba(37, 99, 235, 0.14), transparent 42%),
		radial-gradient(circle at 88% 12%, rgba(13, 148, 136, 0.12), transparent 36%),
		linear-gradient(180deg, #fff, var(--bg));
}
.hero-grid {
	display: grid;
	grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.8fr);
	gap: 36px; align-items: center;
}
.eyebrow {
	display: inline-flex; align-items: center; min-height: 30px; padding: 0 12px;
	border: 1px solid rgba(37, 99, 235, 0.22); border-radius: 999px;
	background: rgba(255, 255, 255, 0.8); color: var(--brand-dark);
	font-size: 13px; font-weight: 800;
}
h1, h2, h3 { margin: 0; line-height: 1.18; }
h1 { margin-top: 16px; font-size: clamp(34px, 5.4vw, 56px); }
.lead { max-width: 640px; margin: 18px 0 0; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.button {
	display: inline-flex; align-items: center; justify-content: center;
	min-height: 46px; min-width: 44px; padding: 0 18px;
	border-radius: 12px; border: 1px solid var(--brand);
	background: var(--brand); color: #fff; font: inherit; font-weight: 800; cursor: pointer;
}
.button.secondary { background: #fff; color: var(--brand); }
.hero-card {
	padding: 22px; border: 1px solid var(--line); border-radius: 16px;
	background: var(--panel); box-shadow: var(--shadow);
}
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat {
	padding: 16px; border-radius: 12px; background: #f8fafc; border: 1px solid var(--line);
}
.stat strong { display: block; font-size: 22px; color: var(--brand-dark); }
.stat span { color: var(--muted); font-size: 13px; }

.section { padding: 56px 0; }
.section-title { max-width: 720px; margin-bottom: 24px; }
.section-title h2 { font-size: clamp(26px, 3.4vw, 34px); }
.section-title p { margin: 10px 0 0; color: var(--muted); font-size: 16px; }

.feature-grid, .card-grid {
	display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px;
}
.feature, .card, .faq-item {
	padding: 20px; border: 1px solid var(--line); border-radius: 14px;
	background: var(--panel);
}
.feature strong, .card h3, .faq-item h3 { display: block; margin-bottom: 8px; }
.feature p, .card p, .faq-item p { margin: 0; color: var(--muted); }

.timeline { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.lesson {
	padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: #fff;
}
.lesson-num {
	display: inline-grid; place-items: center; width: 32px; height: 32px;
	border-radius: 999px; background: rgba(37, 99, 235, 0.1); color: var(--brand-dark); font-weight: 800;
}
.lesson h3 { margin: 12px 0 8px; font-size: 18px; }
.lesson ul { margin: 0; padding-left: 18px; color: var(--muted); }

.lead-form-section {
	padding: 48px 0 64px;
	background: linear-gradient(180deg, rgba(37, 99, 235, 0.06), transparent);
}
.lead-form-grid {
	display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr); gap: 24px; align-items: start;
}
.form-panel {
	padding: 24px; border-radius: 16px; border: 1px solid var(--line);
	background: #fff; box-shadow: var(--shadow);
}
.form-panel h2 { font-size: 24px; margin-bottom: 8px; }
.form-note { color: var(--muted); margin: 0 0 16px; }
.form-note-small { margin-top: 14px; font-size: 13px; }

.page-main { padding: 40px 0 64px; }
.content-panel {
	max-width: 760px; margin: 0 auto; padding: 28px;
	border: 1px solid var(--line); border-radius: 16px; background: #fff;
}
.content-panel h1 { font-size: 32px; margin-bottom: 18px; }
.content-panel h2 { font-size: 20px; margin: 22px 0 8px; }
.content-panel p { color: var(--muted); }

.thank-you-panel {
	max-width: 720px; margin: 0 auto; padding: 32px;
	border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow);
}
.thank-you-panel h1 { font-size: 30px; margin-bottom: 10px; }
.godance-reception {
	margin-top: 18px; padding: 18px; border-radius: 14px;
	background: #f8fafc; border: 1px solid var(--line);
}
.godance-reception h2 { font-size: 20px; margin-bottom: 8px; }
.godance-reception ul { margin: 10px 0 0; padding-left: 18px; color: var(--muted); }
.godance-reception .qr { margin-top: 14px; max-width: 160px; }

.site-footer {
	padding: 40px 0 28px; border-top: 1px solid var(--line); background: #0f172a; color: #cbd5e1;
}
.site-footer a { color: #e2e8f0; }
.footer-grid {
	display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 20px;
}
.footer-grid strong { display: block; color: #fff; margin-bottom: 8px; }
.footer-grid p { margin: 0 0 6px; font-size: 14px; color: #94a3b8; }
.footer-links { display: grid; gap: 6px; }
.footer-bottom {
	margin-top: 24px; padding-top: 16px; border-top: 1px solid rgba(148, 163, 184, 0.25);
	font-size: 13px; color: #94a3b8;
}

.lead-modal {
	position: fixed; inset: 0; z-index: 100;
	display: none; align-items: center; justify-content: center; padding: 16px;
}
.lead-modal[aria-hidden="false"] { display: flex; }
.lead-modal__backdrop {
	position: absolute; inset: 0; background: rgba(15, 23, 42, 0.55);
}
.lead-modal__dialog {
	position: relative; z-index: 1; width: min(520px, 100%);
	max-height: min(90vh, 760px); overflow: auto;
	padding: 22px; border-radius: 16px; background: #fff; box-shadow: var(--shadow);
}
.lead-modal__close {
	position: absolute; top: 10px; right: 12px;
	border: 0; background: transparent; font-size: 24px; line-height: 1; cursor: pointer; color: var(--muted);
}
body.lead-modal-open { overflow: hidden; }

@media (max-width: 900px) {
	.hero-grid, .lead-form-grid, .feature-grid, .card-grid, .timeline, .footer-grid {
		grid-template-columns: 1fr;
	}
	.nav a:not(.nav-cta) { display: none; }
	h1 { font-size: 34px; }
	.section { padding: 44px 0; }
}
@media (max-width: 390px) {
	.wrap { width: calc(100% - 24px); }
	.header-inner { min-height: 60px; }
	.button { width: 100%; }
	.hero-actions .button.secondary { width: 100%; }
}