/* 婚礼管家门户页样式：无外部依赖，系统字体栈；
   主题 = 米白底 + 墨绿主色 + 香槟金点缀，标题衬线体营造婚礼质感。 */

:root {
  --bg: #faf7f1;
  --bg-soft: #f3eee4;
  --card: #ffffff;
  --ink: #22302a;
  --ink-soft: #5c6862;
  --green: #2c4a3e;
  --green-deep: #1e352c;
  --gold: #c2a878;
  --gold-deep: #a3854e;
  --line: #e7dfd0;
  --radius: 18px;
  --shadow: 0 12px 40px rgba(34, 48, 42, .08);
  --serif: "Noto Serif SC", "Source Han Serif SC", "STZhongsong", Georgia, "SimSun", serif;
  --sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-weight: 600; line-height: 1.3; }
h1, h2 { font-family: var(--serif); }

section { scroll-margin-top: 84px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 22px; border-radius: 999px;
  font-size: 15px; font-weight: 500; text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  cursor: pointer; border: none;
}
.btn-lg { padding: 14px 30px; font-size: 16px; }
.btn-primary {
  background: linear-gradient(135deg, var(--green), var(--green-deep));
  color: #f6f1e5; box-shadow: 0 8px 24px rgba(30, 53, 44, .28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(30, 53, 44, .34); }
.btn-ghost {
  background: transparent; color: var(--green);
  box-shadow: inset 0 0 0 1.5px rgba(44, 74, 62, .35);
}
.btn-ghost:hover { background: rgba(44, 74, 62, .06); }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 247, 241, .82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.nav.scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 24px rgba(34, 48, 42, .06); }
.nav-inner { display: flex; align-items: center; gap: 32px; height: 68px; }
.brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--ink); margin-right: auto;
}
.brand-mark { width: 30px; height: 30px; color: var(--gold-deep); }
.brand-name { font-family: var(--serif); font-size: 21px; font-weight: 700; letter-spacing: 1px; }
.brand-tag {
  font-size: 11px; color: var(--gold-deep); border: 1px solid var(--gold);
  border-radius: 4px; padding: 0 5px; line-height: 18px; margin-top: 2px;
}
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  color: var(--ink-soft); text-decoration: none; font-size: 15px;
  transition: color .2s ease;
}
.nav-links a:hover { color: var(--green); }
.nav-toggle { display: none; background: none; border: none; color: var(--ink); }
.nav-toggle svg { width: 26px; height: 26px; display: block; }

/* ---------- 首屏 ---------- */
.hero { position: relative; overflow: hidden; padding: 72px 0 96px; }
.hero-decor {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(560px 400px at 85% 10%, rgba(194, 168, 120, .16), transparent 65%),
    radial-gradient(520px 420px at 8% 88%, rgba(44, 74, 62, .10), transparent 65%);
}
.hero-decor::before, .hero-decor::after {
  content: ""; position: absolute; border-radius: 50%;
  border: 1.5px solid rgba(163, 133, 78, .25);
}
.hero-decor::before { width: 420px; height: 420px; top: -140px; right: -100px; }
.hero-decor::after { width: 300px; height: 300px; top: -60px; right: 120px; border-color: rgba(163, 133, 78, .15); }
.hero-inner {
  position: relative; display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 48px; align-items: center;
}
.pill {
  display: inline-block; font-size: 13px; color: var(--gold-deep);
  background: rgba(194, 168, 120, .14); border: 1px solid rgba(194, 168, 120, .4);
  border-radius: 999px; padding: 4px 14px; margin-bottom: 22px; letter-spacing: .5px;
}
.hero h1 { font-size: 58px; letter-spacing: 2px; }
.hero h1 em {
  font-style: normal; color: var(--green); position: relative; white-space: nowrap;
}
.hero h1 em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 6px; height: 12px;
  background: linear-gradient(90deg, rgba(194, 168, 120, .45), rgba(194, 168, 120, .12));
  z-index: -1; border-radius: 4px;
}
.lead { font-size: 17px; color: var(--ink-soft); margin: 22px 0 30px; max-width: 480px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 36px; list-style: none; margin-top: 44px; flex-wrap: wrap;
}
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong {
  font-family: var(--serif); font-size: 26px; color: var(--green); line-height: 1.2;
}
.hero-stats span { font-size: 13px; color: var(--ink-soft); }

/* ---------- 手机 mockup ---------- */
.hero-visual { position: relative; display: flex; justify-content: center; }
.phone {
  width: 310px; border-radius: 44px; padding: 12px;
  background: linear-gradient(160deg, #33423b, #1b2722);
  box-shadow: 0 30px 70px rgba(30, 53, 44, .35), inset 0 0 0 2px rgba(255, 255, 255, .06);
}
.phone-screen {
  border-radius: 34px; overflow: hidden; background: #f7f4ee;
  display: flex; flex-direction: column; min-height: 560px;
}
.app-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 22px 18px 14px;
}
.app-date { font-size: 12px; color: var(--ink-soft); }
.app-title { font-size: 15px; font-weight: 600; margin-top: 2px; }
.app-badge {
  font-size: 11px; color: #fff; background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  border-radius: 999px; padding: 3px 10px; white-space: nowrap;
}
.app-now {
  margin: 0 14px; padding: 14px 16px; border-radius: 16px;
  background: linear-gradient(135deg, var(--green), var(--green-deep));
  color: #eef3ee; box-shadow: 0 10px 24px rgba(30, 53, 44, .26);
}
.app-now-label { font-size: 11px; opacity: .75; letter-spacing: 1px; }
.app-now-title { font-size: 17px; font-weight: 600; margin-top: 3px; }
.app-now-timer { font-size: 12px; color: #d8c9a5; margin-top: 3px; }
.app-now-actions { display: flex; gap: 8px; margin-top: 12px; }
.act {
  flex: 1; text-align: center; font-size: 12px; padding: 6px 0;
  border-radius: 8px; background: rgba(255, 255, 255, .14);
}
.act-done { background: #d8c9a5; color: var(--green-deep); font-weight: 600; }
.app-cues { list-style: none; padding: 16px 18px 8px; flex: 1; }
.app-cues li {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: 10px; font-size: 13px;
}
.app-cues .t { font-variant-numeric: tabular-nums; color: var(--ink-soft); width: 40px; }
.app-cues .txt { flex: 1; }
.app-cues .st { font-size: 11px; color: var(--gold-deep); }
.app-cues li.done { color: #9aa39d; }
.app-cues li.done .txt { text-decoration: line-through; }
.app-cues li.done .st { color: #8fae9c; }
.app-cues li.cur {
  background: #fff; box-shadow: 0 6px 18px rgba(34, 48, 42, .08);
  font-weight: 600;
}
.app-cues li.cur .st {
  background: rgba(194, 168, 120, .18); border-radius: 999px; padding: 1px 8px;
}
.app-tabbar {
  display: flex; border-top: 1px solid #e9e4d8; background: #fff;
}
.app-tabbar span {
  flex: 1; text-align: center; font-size: 12px; padding: 12px 0 16px; color: #9aa39d;
}
.app-tabbar .on { color: var(--green); font-weight: 600; }

.float-card {
  position: absolute; display: flex; align-items: center; gap: 10px;
  background: #fff; border-radius: 14px; padding: 12px 16px;
  box-shadow: 0 14px 36px rgba(34, 48, 42, .14); font-size: 13px;
  animation: floaty 5s ease-in-out infinite;
}
.float-card strong { display: block; font-size: 13px; }
.float-card small { color: var(--ink-soft); font-size: 11px; }
.float-1 { top: 84px; left: -26px; }
.float-2 { bottom: 96px; right: -18px; animation-delay: 2.5s; }
.dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.dot-ok { background: #4e9a6f; box-shadow: 0 0 0 4px rgba(78, 154, 111, .16); }
.dot-new { background: var(--gold-deep); box-shadow: 0 0 0 4px rgba(163, 133, 78, .18); }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ---------- 区块标题 ---------- */
.sec-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.sec-kicker {
  font-size: 13px; letter-spacing: 4px; color: var(--gold-deep); margin-bottom: 10px;
}
.sec-head h2 { font-size: 36px; letter-spacing: 1px; }
.sec-sub { color: var(--ink-soft); margin-top: 12px; font-size: 15.5px; }
.sec-head-light h2 { color: #f3efe4; }
.sec-head-light .sec-kicker { color: var(--gold); }

/* ---------- 痛点 ---------- */
.pain { padding: 88px 0 40px; }
.pain-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.pain-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px; position: relative; overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.pain-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.pain-no {
  font-family: var(--serif); font-size: 40px; color: rgba(194, 168, 120, .35);
  line-height: 1; display: block; margin-bottom: 14px;
}
.pain-card h3 { font-size: 17px; margin-bottom: 8px; }
.pain-card p { font-size: 13.5px; color: var(--ink-soft); }

/* ---------- 核心功能 ---------- */
.features { padding: 88px 0; }
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feat-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.feat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: rgba(194, 168, 120, .55); }
.feat-icon {
  display: inline-flex; width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(44, 74, 62, .10), rgba(194, 168, 120, .16));
  color: var(--green); align-items: center; justify-content: center; margin-bottom: 18px;
}
.feat-icon svg { width: 26px; height: 26px; }
.feat-card h3 { font-size: 18px; margin-bottom: 8px; }
.feat-card p { font-size: 14px; color: var(--ink-soft); }

/* ---------- 业务闭环 ---------- */
.flow { padding: 88px 0; background: linear-gradient(180deg, var(--bg-soft), var(--bg)); }
.flow-line {
  list-style: none; max-width: 760px; margin: 0 auto; position: relative;
}
.flow-line::before {
  content: ""; position: absolute; left: 27px; top: 10px; bottom: 10px;
  width: 2px; background: linear-gradient(180deg, var(--gold), rgba(194, 168, 120, .18));
}
.flow-line li {
  position: relative; padding: 0 0 34px 84px;
}
.flow-line li:last-child { padding-bottom: 0; }
.flow-no {
  position: absolute; left: 0; top: -4px;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--card); border: 1.5px solid var(--gold);
  color: var(--gold-deep); font-family: var(--serif); font-size: 22px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(163, 133, 78, .18);
}
.flow-line h3 { font-size: 18px; }
.flow-line p { font-size: 14px; color: var(--ink-soft); margin-top: 4px; }

/* ---------- 双端体验 ---------- */
.screens { padding: 88px 0; }
.duo {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 44px; align-items: center;
}
.duo-label {
  display: inline-block; font-size: 12.5px; letter-spacing: 1px; color: var(--green);
  background: rgba(44, 74, 62, .08); border-radius: 999px; padding: 4px 14px; margin-bottom: 16px;
}
.duo-label-gold { color: var(--gold-deep); background: rgba(194, 168, 120, .16); }
.duo-col h3 { font-family: var(--serif); font-size: 24px; margin-bottom: 18px; }
.duo-list { list-style: none; }
.duo-list li {
  font-size: 14px; color: var(--ink-soft);
  padding: 12px 0; border-bottom: 1px dashed var(--line);
}
.duo-list li:last-child { border-bottom: none; }
.duo-list strong {
  display: block; color: var(--ink); font-size: 15px; margin-bottom: 2px;
}
.duo-note {
  margin-top: 16px; font-size: 13px; color: var(--gold-deep);
  background: rgba(194, 168, 120, .12); border-radius: 12px; padding: 12px 16px;
}

/* 新人端深色手机 */
.duo-phone .phone { width: 280px; }
.phone-dark .phone-screen { background: #171d1a; min-height: 520px; color: #e9e4d6; }
.cli-hero {
  height: 168px; position: relative;
  background:
    radial-gradient(220px 130px at 70% 20%, rgba(194, 168, 120, .5), transparent 70%),
    linear-gradient(160deg, #3a4a42, #20291f 70%);
}
.cli-hero-dots { position: absolute; bottom: 12px; left: 0; right: 0; display: flex; gap: 7px; justify-content: center; }
.cli-hero-dots i {
  width: 7px; height: 7px; background: rgba(233, 228, 214, .35); transform: rotate(45deg);
}
.cli-hero-dots i.on { background: var(--gold); }
.cli-body { padding: 18px 20px; flex: 1; }
.cli-name { font-family: var(--serif); font-size: 24px; letter-spacing: 4px; }
.cli-sub { font-size: 12px; color: #b8b2a0; margin-top: 4px; }
.cli-line { font-size: 12.5px; color: var(--gold); margin-top: 10px; }
.cli-actions { display: flex; gap: 10px; margin-top: 16px; }
.cli-actions span {
  flex: 1; text-align: center; font-size: 11px; color: #d9d3c2;
  border: 1px solid rgba(233, 228, 214, .22); border-radius: 12px; padding: 10px 0;
}
.cli-task {
  margin-top: 16px; padding: 13px 14px; border-radius: 14px;
  background: rgba(194, 168, 120, .13); border: 1px solid rgba(194, 168, 120, .35);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.cli-task strong { font-size: 13px; display: block; }
.cli-task small { font-size: 11px; color: #b8b2a0; }
.cli-go {
  font-size: 12px; color: #1e352c; background: var(--gold);
  border-radius: 999px; padding: 5px 12px; white-space: nowrap;
}
.cli-bar {
  display: flex; gap: 10px; padding: 12px 16px 18px; background: rgba(0, 0, 0, .25);
}
.cli-bar span {
  flex: 1; text-align: center; font-size: 12.5px; padding: 9px 0;
  border-radius: 999px; border: 1px solid rgba(233, 228, 214, .28); color: #d9d3c2;
}
.cli-bar .hot { background: var(--gold); border-color: var(--gold); color: #1e352c; font-weight: 600; }

/* ---------- 安心承诺 ---------- */
.trust {
  padding: 88px 0;
  background:
    radial-gradient(600px 300px at 90% 0%, rgba(194, 168, 120, .12), transparent 60%),
    linear-gradient(160deg, #253d33, var(--green-deep));
}
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.trust-card {
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(233, 228, 214, .14);
  border-radius: var(--radius); padding: 28px 24px; color: #e9e4d6;
  transition: background .25s ease, transform .25s ease;
}
.trust-card:hover { background: rgba(255, 255, 255, .09); transform: translateY(-4px); }
.trust-icon {
  display: inline-flex; width: 46px; height: 46px; border-radius: 12px;
  background: rgba(194, 168, 120, .16); color: var(--gold);
  align-items: center; justify-content: center; margin-bottom: 16px;
}
.trust-icon svg { width: 24px; height: 24px; }
.trust-card h3 { font-size: 17px; margin-bottom: 8px; }
.trust-card p { font-size: 13.5px; color: rgba(233, 228, 214, .72); }

/* ---------- 定价 ---------- */
.pricing { padding: 88px 0 40px; background: linear-gradient(180deg, var(--bg), var(--bg-soft) 60%, var(--bg)); }

.founder {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  border: 1.5px solid var(--gold); border-radius: 16px;
  background: linear-gradient(135deg, rgba(194, 168, 120, .14), rgba(194, 168, 120, .04));
  padding: 18px 26px; margin-bottom: 36px;
}
.founder-tag {
  font-size: 13px; font-weight: 600; color: #fff; white-space: nowrap;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  border-radius: 999px; padding: 5px 14px;
}
.founder-main { flex: 1; font-size: 15px; color: var(--ink); min-width: 240px; }
.founder-main strong { font-family: var(--serif); font-size: 24px; color: var(--gold-deep); margin-right: 4px; }
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-deep)); color: #fff;
  box-shadow: 0 8px 20px rgba(163, 133, 78, .35);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(163, 133, 78, .42); }

.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.price-card {
  position: relative; background: var(--card);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; display: flex; flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease;
}
.price-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.price-card.hot { border: 1.5px solid var(--green); box-shadow: 0 16px 44px rgba(30, 53, 44, .14); }
.hot-badge {
  position: absolute; top: -12px; left: 26px;
  font-size: 12px; color: #f6f1e5; background: linear-gradient(135deg, var(--green), var(--green-deep));
  border-radius: 999px; padding: 3px 14px;
}
.price-card h3 { font-size: 17px; }
.price { margin-top: 12px; }
.price strong { font-family: var(--serif); font-size: 34px; color: var(--green); }
.price span { font-size: 14px; color: var(--ink-soft); }
.price-note { font-size: 13px; color: var(--gold-deep); margin-top: 2px; }
.price-card ul { list-style: none; margin: 18px 0 22px; flex: 1; }
.price-card li {
  font-size: 13.5px; color: var(--ink-soft); padding: 7px 0 7px 22px; position: relative;
}
.price-card li::before {
  content: "✓"; position: absolute; left: 0; color: var(--gold-deep); font-size: 12px;
}
.price-cta { width: 100%; }

.price-extra {
  margin-top: 28px; border-top: 1px dashed var(--line); padding-top: 20px;
  display: grid; gap: 8px;
}
.price-extra p { font-size: 13.5px; color: var(--ink-soft); }
.price-extra strong { color: var(--ink); }

/* ---------- FAQ ---------- */
.faq { padding: 88px 0; }
.faq-inner { max-width: 760px; }
.faq-list details {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 0 22px; margin-bottom: 12px; transition: border-color .2s ease;
}
.faq-list details[open] { border-color: rgba(194, 168, 120, .6); }
.faq-list summary {
  list-style: none; cursor: pointer; font-size: 16px; font-weight: 600;
  padding: 18px 0; display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+"; font-family: var(--serif); font-size: 22px; color: var(--gold-deep);
  transition: transform .2s ease; line-height: 1;
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p {
  font-size: 14.5px; color: var(--ink-soft); padding: 0 0 18px;
  border-top: 1px dashed var(--line); padding-top: 14px; margin-top: -4px;
}

/* ---------- 行动召唤 ---------- */
.cta { padding: 40px 0 96px; }
.cta-inner {
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center;
  background:
    radial-gradient(400px 240px at 15% 100%, rgba(194, 168, 120, .2), transparent 65%),
    linear-gradient(150deg, #2f5040, var(--green-deep));
  border-radius: 28px; padding: 60px 64px; color: #f3efe4;
  box-shadow: 0 28px 70px rgba(30, 53, 44, .32);
}
.cta-copy h2 { font-size: 40px; letter-spacing: 1px; }
.cta-copy p { margin: 18px 0 26px; color: rgba(243, 239, 228, .8); font-size: 15.5px; }
.cta-contacts { list-style: none; display: flex; gap: 40px; flex-wrap: wrap; }
.cta-contacts span { display: block; font-size: 12.5px; color: rgba(243, 239, 228, .62); }
.cta-contacts strong {
  font-family: var(--serif); font-size: 22px; color: var(--gold); letter-spacing: 1px;
}
.cta-qr { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.qr-box {
  background: #fdfbf6; border-radius: 20px; padding: 18px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, .25);
}
.qr-box svg { width: 168px; height: 168px; color: #2a352f; display: block; }
.qr-note { font-size: 11px; color: #9aa39d; }
.qr-caption { font-size: 13.5px; color: rgba(243, 239, 228, .75); }

/* ---------- 页脚 ---------- */
.foot { border-top: 1px solid var(--line); padding: 36px 0; background: var(--bg); }
.foot-inner {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}
.foot-brand {
  display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--ink-soft);
  margin-right: auto;
}
.foot-brand .brand-mark { width: 24px; height: 24px; }
.foot-links { display: flex; gap: 20px; flex-wrap: wrap; }
.foot-links a { font-size: 13px; color: var(--ink-soft); text-decoration: none; }
.foot-links a:hover { color: var(--green); }
.foot-legal { width: 100%; font-size: 12px; color: #a8a89e; margin-top: 4px; }

/* ---------- 滚动淡入 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .float-card { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero h1 { font-size: 46px; }
  .pain-grid, .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .feat-grid, .price-grid { grid-template-columns: repeat(2, 1fr); }
  .duo { grid-template-columns: 1fr; justify-items: center; text-align: left; }
  .duo-col { max-width: 560px; width: 100%; }
  .float-1 { left: 0; }
  .float-2 { right: 0; }
}

@media (max-width: 720px) {
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--bg);
    border-bottom: 1px solid var(--line); padding: 8px 24px 16px;
    box-shadow: 0 18px 30px rgba(34, 48, 42, .10);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px dashed var(--line); }
  .nav-links a:last-child { border-bottom: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: block; }

  .hero { padding: 48px 0 72px; }
  .hero-inner { grid-template-columns: 1fr; gap: 56px; }
  .hero h1 { font-size: 40px; }
  .hero-stats { gap: 24px; }
  .float-1 { top: 40px; }

  .sec-head h2 { font-size: 28px; }
  .pain, .features, .flow, .screens, .trust, .pricing, .faq { padding: 64px 0; }
  .pain { padding-bottom: 24px; }
  .pain-grid, .feat-grid, .trust-grid, .price-grid { grid-template-columns: 1fr; }
  .founder { flex-direction: column; align-items: flex-start; }

  .flow-line::before { left: 21px; }
  .flow-no { width: 44px; height: 44px; font-size: 18px; }
  .flow-line li { padding-left: 64px; }

  .cta-inner { grid-template-columns: 1fr; padding: 40px 28px; text-align: center; }
  .cta-copy h2 { font-size: 30px; }
  .cta-contacts { justify-content: center; gap: 24px; }

  .foot-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .foot-brand { margin-right: 0; }
}