/* ===== 全局变量 ===== */
:root {
  --primary: #0EA5A4;
  --primary-dark: #0B7C7B;
  --primary-light: #E6FBFA;
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --bg: #FFFFFF;
  --bg-soft: #F8FAFC;
  --bg-alt: #F1F5F9;
  --dark-1: #0B1F2A;
  --dark-2: #0F172A;
  --dark-3: #0B3D3C;
  --text: #1E293B;
  --text-soft: #64748B;
  --text-mute: #94A3B8;
  --text-on-dark: #F1F5F9;
  --text-soft-on-dark: #94A3B8;
  --border: #E2E8F0;
  --border-on-dark: rgba(255, 255, 255, 0.12);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.18);
  --radius: 14px;
  --radius-lg: 22px;
  --maxw: 1140px;
  --header-h: 64px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.3; font-weight: 800; }
p { margin: 0; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ===== SVG 线性图标基础样式 ===== */
.i {
  width: 1em; height: 1em; display: inline-block; vertical-align: middle;
  fill: none; stroke: currentColor; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round;
}
.icon-wrap { color: var(--primary); }
.section--dark .icon-wrap, .hero .icon-wrap, .cta-section .icon-wrap { color: #5EEAD4; }
.card-icon, .agent-emoji, .promise-icon, .user-emoji { color: var(--primary); }
.section--dark .card-icon, .section--dark .agent-emoji,
.section--dark .promise-icon, .section--dark .user-emoji { color: #5EEAD4; }
.hero-points .icon-wrap, .contact-box .icon-wrap, .summary-points .icon-wrap { color: var(--primary); }
.section--dark .summary-points .icon-wrap { color: #5EEAD4; }
.cta-section .contact-box .icon-wrap, .hero .hero-points .icon-wrap { color: #5EEAD4; }
/* ===== 顶部导航 ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
}
.site-header.scrolled { border-color: var(--border); box-shadow: var(--shadow-sm); }
/* 深色板块上 header 文字变白 */
.site-header.on-dark { background: rgba(15, 23, 42, 0.35); }
.site-header.on-dark .logo-text,
.site-header.on-dark .nav-menu a { color: #fff; }
.site-header.on-dark .nav-menu a:hover { color: #5EEAD4; }
.site-header.on-dark .nav-toggle span { background: #fff; }
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px;
  object-fit: cover; flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(14, 165, 164, 0.25);
}
.logo-text { letter-spacing: 1px; }
.nav-menu { display: flex; gap: 22px; }
.nav-menu a { font-size: 14.5px; color: var(--text-soft); font-weight: 500; transition: color 0.2s var(--ease); white-space: nowrap; }
.nav-menu a:hover { color: var(--primary); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero（深色全屏渐变）===== */
.hero {
  min-height: 100vh;
  scroll-snap-align: start;
  display: flex; align-items: center;
  padding-top: calc(var(--header-h) + 24px);
  background:
    radial-gradient(900px 500px at 80% 10%, rgba(14, 165, 164, 0.35), transparent 60%),
    radial-gradient(700px 400px at 0% 80%, rgba(245, 158, 11, 0.18), transparent 60%),
    linear-gradient(135deg, var(--dark-1), #0F3D3C 70%);
  color: var(--text-on-dark);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px; pointer-events: none; opacity: 0.5;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; width: 100%; }
.badge {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  background: rgba(14, 165, 164, 0.22); color: #5EEAD4;
  font-size: 13px; font-weight: 600; margin-bottom: 20px; border: 1px solid rgba(94, 234, 212, 0.3);
}
.hero-title {
  font-size: clamp(38px, 6.5vw, 64px); font-weight: 800; letter-spacing: 3px;
  background: linear-gradient(135deg, #fff, #5EEAD4);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-subtitle { margin-top: 18px; font-size: 17px; color: var(--text-soft-on-dark); max-width: 480px; }
.hero-cta { margin-top: 28px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 13px 28px; border-radius: 999px; font-weight: 600; font-size: 15px; transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 10px 28px rgba(14, 165, 164, 0.45); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--text-on-dark); border: 1.5px solid rgba(255,255,255,0.3); }
.btn-ghost:hover { border-color: #5EEAD4; color: #5EEAD4; }
.hero-points { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; color: var(--text-soft-on-dark); }
.hero-points li { display: flex; align-items: center; gap: 6px; }
.hero-points .icon-wrap { display: inline-flex; color: #5EEAD4; }

/* ===== 手机 mock ===== */
.hero-visual { display: flex; justify-content: center; position: relative; }
.phone-mock {
  width: 280px; height: 560px; border-radius: 38px;
  background: #0F172A; padding: 12px; position: relative;
  box-shadow: var(--shadow-lg), 0 0 0 8px rgba(15, 23, 42, 0.3);
  transform: rotate(-3deg); transition: transform 0.4s var(--ease);
}
.phone-mock:hover { transform: rotate(0deg) translateY(-6px); }
.phone-notch { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); width: 100px; height: 22px; background: #0F172A; border-radius: 0 0 14px 14px; z-index: 2; }
.phone-screen { width: 100%; height: 100%; border-radius: 28px; background: #fff; overflow: hidden; display: flex; flex-direction: column; color: var(--text); }
.mock-header { padding: 30px 18px 14px; border-bottom: 1px solid var(--border); }
.mock-date { font-weight: 700; font-size: 15px; }
.mock-stats { display: flex; gap: 12px; margin-top: 8px; font-size: 12px; color: var(--text-soft); }
.mock-stats span { background: var(--bg-alt); padding: 3px 8px; border-radius: 6px; }
.mock-timeline { flex: 1; padding: 14px 18px; overflow: hidden; }
.mock-item { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px dashed var(--border); }
.mock-item .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--text-mute); margin-top: 4px; flex-shrink: 0; }
.mock-item .dot.active { background: var(--primary); box-shadow: 0 0 0 4px rgba(14, 165, 164, 0.2); }
.mock-item b { font-size: 13px; }
.mock-item p { font-size: 11px; color: var(--text-soft); margin-top: 2px; }
.mock-tabbar { display: flex; border-top: 1px solid var(--border); padding: 10px 0; font-size: 11px; color: var(--text-mute); }
.mock-tabbar span { flex: 1; text-align: center; }
.mock-tabbar span.active { color: var(--primary); font-weight: 700; }

/* ===== 通用 section（全屏 + 居中 + snap）===== */
.section {
  min-height: 100vh;
  scroll-snap-align: start;
  display: flex; flex-direction: column; justify-content: center;
  padding: 90px 0;
  position: relative;
}
.section-title { font-size: clamp(28px, 4.5vw, 42px); text-align: center; font-weight: 800; }
.section-desc { text-align: center; color: var(--text-soft); margin-top: 14px; max-width: 640px; margin-left: auto; margin-right: auto; font-size: 16px; }
.grid { display: grid; gap: 22px; margin-top: 48px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* ===== 各板块背景（明暗交替）===== */
#pain { background: var(--bg-soft); }
#features { background: linear-gradient(160deg, var(--dark-2), #1E293B); color: var(--text-on-dark); }
#agents { background: linear-gradient(180deg, #fff, #F0FDFA); }
#summary { background: linear-gradient(135deg, var(--dark-3), #134E4A); color: var(--text-on-dark); }
#promise { background: var(--bg-soft); }
#users { background: linear-gradient(160deg, var(--dark-2), #1E293B); color: var(--text-on-dark); }
.cta-section { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; }

/* ===== 深色板块文字/卡片适配 ===== */
.section--dark .section-desc { color: var(--text-soft-on-dark); }
.section--dark .card,
.section--dark .feature-card,
.section--dark .agent-card,
.section--dark .promise-item,
.section--dark .user-card {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-on-dark);
  color: var(--text-on-dark);
  backdrop-filter: blur(8px);
}
.section--dark .card p,
.section--dark .feature-card > p,
.section--dark .agent-card > p:last-child,
.section--dark .promise-item p,
.section--dark .user-card > p:last-child { color: var(--text-soft-on-dark); }
.section--dark .feature-tag { background: rgba(14, 165, 164, 0.2); color: #5EEAD4; }
.section--dark .feature-list li { color: var(--text-on-dark); }
.section--dark .feature-list li::before { color: #5EEAD4; }
.section--dark .agent-scene { background: rgba(14, 165, 164, 0.2); color: #5EEAD4; }
.section--dark .user-tag { background: rgba(245, 158, 11, 0.18); color: #FCD34D; }
.section--dark .summary-points li { background: rgba(255,255,255,0.05); border-color: var(--border-on-dark); }
.section--dark .summary-points b { color: #5EEAD4; }

/* ===== 卡片 ===== */
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-icon { font-size: 30px; margin-bottom: 12px; }
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--text-soft); font-size: 14.5px; }

/* ===== feature-card ===== */
.feature-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-sm); transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease); }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.feature-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.feature-tag { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 12px; background: var(--primary-light); color: var(--primary-dark); font-weight: 800; font-size: 15px; }
.feature-head h3 { font-size: 20px; }
.feature-card > p { color: var(--text-soft); font-size: 15px; margin-bottom: 14px; }
.feature-list { display: grid; gap: 8px; }
.feature-list li { position: relative; padding-left: 22px; font-size: 14.5px; color: var(--text); }
.feature-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--primary); font-weight: 800; }

/* ===== agent-card ===== */
.agent-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; text-align: center; box-shadow: var(--shadow-sm); transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease); }
.agent-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.agent-card.agent-highlight { background: linear-gradient(180deg, var(--primary-light), #fff); border-color: var(--primary); }
.section--dark .agent-card.agent-highlight { background: rgba(14, 165, 164, 0.12); border-color: #5EEAD4; }
.agent-emoji { font-size: 38px; margin-bottom: 12px; }
.agent-card h3 { font-size: 18px; margin-bottom: 4px; }
.agent-scene { display: inline-block; font-size: 12px; color: var(--primary-dark); background: var(--primary-light); padding: 3px 10px; border-radius: 999px; margin: 6px 0 12px; font-weight: 600; }
.agent-card > p:last-child { color: var(--text-soft); font-size: 14px; }

/* ===== summary ===== */
.summary-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; margin-top: 40px; }
.summary-text .section-title { text-align: left; }
.summary-text .section-desc { text-align: left; margin-left: 0; }
.summary-points { display: grid; gap: 14px; margin-top: 24px; }
.summary-points li { padding: 14px 16px; background: #fff; border: 1px solid var(--border); border-radius: 12px; font-size: 14.5px; box-shadow: var(--shadow-sm); display: flex; align-items: center; gap: 10px; }
.summary-points .icon-wrap { display: inline-flex; flex-shrink: 0; }
.summary-points b { color: var(--primary-dark); }
.summary-visual { display: flex; justify-content: center; }
.summary-card-mock { width: 100%; max-width: 340px; background: #fff; border-radius: 18px; padding: 22px; box-shadow: var(--shadow-lg); border: 1px solid var(--border); font-size: 13px; line-height: 1.8; color: var(--text); }
.sc-header { font-weight: 800; font-size: 15px; margin-bottom: 14px; color: var(--primary-dark); }
.sc-row { display: flex; gap: 8px; align-items: center; color: var(--text-soft); padding: 3px 0; }
.sc-row .icon-wrap { display: inline-flex; color: var(--primary); flex-shrink: 0; }
.sc-divider { height: 1px; background: var(--border); margin: 12px 0; }
.sc-block { padding: 6px 0; color: var(--text); }
.sc-block b { color: var(--text); }
.sc-footer { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--border); color: var(--text-soft); font-size: 12px; }

/* ===== promise ===== */
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 48px; }
.promise-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease); }
.promise-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.promise-icon { font-size: 30px; margin-bottom: 10px; }
.promise-item h3 { font-size: 18px; margin-bottom: 8px; }
.promise-item p { color: var(--text-soft); font-size: 14px; }

/* ===== user-card ===== */
.user-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 30px; text-align: center; box-shadow: var(--shadow-sm); transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease); }
.user-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.user-emoji { font-size: 42px; margin-bottom: 10px; }
.user-card h3 { font-size: 20px; margin-bottom: 4px; }
.user-tag { display: inline-block; font-size: 12px; color: var(--accent-dark); background: rgba(245, 158, 11, 0.12); padding: 3px 10px; border-radius: 999px; margin: 4px 0 12px; font-weight: 600; }
.user-card > p:last-child { color: var(--text-soft); font-size: 14.5px; }

/* ===== cta-section ===== */
.cta-section { min-height: 100vh; scroll-snap-align: start; display: flex; flex-direction: column; justify-content: center; padding: 90px 0; }
.cta-inner { text-align: center; }
.cta-inner .section-title { color: #fff; }
.cta-inner .section-desc { color: rgba(255,255,255,0.85); }
.cta-actions { display: flex; gap: 40px; justify-content: center; align-items: center; margin-top: 40px; flex-wrap: wrap; }
.qr-placeholder { text-align: center; }
.qr-box { width: 160px; height: 160px; border: 2px dashed rgba(255,255,255,0.7); border-radius: 16px; display: flex; align-items: center; justify-content: center; text-align: center; font-size: 13px; color: #fff; background: rgba(255,255,255,0.1); padding: 10px; }
.qr-placeholder p { margin-top: 10px; font-size: 13px; color: rgba(255,255,255,0.85); }
.contact-box { text-align: left; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25); border-radius: var(--radius-lg); padding: 26px 30px; backdrop-filter: blur(10px); max-width: 360px; }
.contact-box h3 { font-size: 18px; margin-bottom: 12px; color: #fff; }
.contact-box p { font-size: 14.5px; color: rgba(255,255,255,0.9); padding: 3px 0; display: flex; align-items: center; gap: 8px; }
.contact-box .icon-wrap { display: inline-flex; color: #fff; flex-shrink: 0; }
.contact-note { margin-top: 10px; font-size: 13px; color: rgba(255,255,255,0.7); }

/* ===== #contact 板块内的页脚区（联系+备案+版权合并）===== */
.footer-area {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  display: flex; flex-wrap: wrap; gap: 24px;
  justify-content: space-between; align-items: center;
}
.footer-brand { display: flex; gap: 12px; align-items: center; }
.footer-brand strong { font-size: 17px; color: #fff; }
.footer-brand p { font-size: 13px; color: rgba(255, 255, 255, 0.8); margin-top: 2px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.footer-links a { font-size: 14px; color: rgba(255, 255, 255, 0.85); transition: color 0.2s var(--ease); }
.footer-links a:hover { color: #fff; }
.footer-meta { margin-top: 20px; text-align: center; }
.footer-meta p { font-size: 12.5px; color: rgba(255, 255, 255, 0.7); margin-bottom: 6px; }
.footer-meta .copyright { color: rgba(255, 255, 255, 0.55); }
.footer-meta .icp a { color: rgba(255, 255, 255, 0.7); transition: color 0.2s var(--ease); }
.footer-meta .icp a:hover { color: #fff; }

/* ===== 滚动指示器 ===== */
.scroll-cue {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-soft); opacity: 0.8;
  transition: opacity 0.3s var(--ease); z-index: 5;
}
.section--dark .scroll-cue, .hero .scroll-cue { color: var(--text-soft-on-dark); }
.scroll-cue:hover { opacity: 1; }
.scroll-cue .mouse {
  width: 24px; height: 38px; border: 2px solid currentColor; border-radius: 14px; position: relative;
}
.scroll-cue .mouse::after {
  content: ""; position: absolute; top: 7px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 8px; border-radius: 2px; background: currentColor;
  animation: scrollWheel 1.6s var(--ease) infinite;
}
@keyframes scrollWheel {
  0% { opacity: 0; transform: translate(-50%, 0); }
  30% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, 14px); }
}

/* ===== reveal 动效（错位延迟）===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.grid .reveal:nth-child(2) { transition-delay: 0.08s; }
.grid .reveal:nth-child(3) { transition-delay: 0.16s; }
.grid .reveal:nth-child(4) { transition-delay: 0.24s; }
.grid .reveal:nth-child(5) { transition-delay: 0.32s; }
.grid .reveal:nth-child(6) { transition-delay: 0.40s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; scroll-snap-type: none; }
  .phone-mock:hover { transform: rotate(-3deg); }
  .scroll-cue .mouse::after { animation: none; }
}

/* ===== 响应式：平板 ===== */
@media (max-width: 900px) {
  html { scroll-snap-type: y proximity; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .promise-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-area { flex-direction: column; align-items: center; text-align: center; }
  .hero-inner { grid-template-columns: 1fr; gap: 36px; text-align: center; }
  .hero-text { order: 2; }
  .hero-visual { order: 1; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-cta, .hero-points { justify-content: center; }
}

/* ===== 响应式：手机 ===== */
@media (max-width: 720px) {
  .nav-menu {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; gap: 0; background: #fff;
    border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md);
    padding: 8px 0; transform: translateY(-120%); opacity: 0; pointer-events: none;
    transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
  }
  .nav-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-menu a { padding: 14px 24px; border-bottom: 1px solid var(--border); color: var(--text); }
  .nav-menu a:last-child { border-bottom: 0; }
  .nav-toggle { display: flex; }

  .phone-mock { width: 230px; height: 460px; }
  .grid-2, .grid-3, .promise-grid { grid-template-columns: 1fr; }
  .summary-wrap { grid-template-columns: 1fr; gap: 32px; }
  .summary-text .section-title, .summary-text .section-desc { text-align: center; }
  .summary-text .section-desc { margin-left: auto; margin-right: auto; }
  .section { padding: 70px 0; }
  .cta-actions { flex-direction: column; gap: 24px; }
  .footer-area { flex-direction: column; gap: 18px; }
  .footer-links { justify-content: center; }
  .footer-meta { text-align: center; }
  .scroll-cue { bottom: 16px; }
}

@media (max-width: 380px) {
  .hero-title { font-size: 36px; }
  .phone-mock { width: 200px; height: 400px; }
}