/* ==========================================================================
   Gọn — Landing page styles
   Nạp design tokens từ assets/tokens.css, phần dưới là layout cho landing.
   ========================================================================== */
@import url("assets/tokens.css");

/* Landing page luôn hiển thị ở tông sáng như thiết kế — khoá lại các biến ngữ
   nghĩa mà tokens.css đảo màu khi hệ điều hành ở chế độ tối. */
:root, :root:root {
  color-scheme: light;
  --bg-page: var(--paper-050);
  --bg-surface: #FFFFFF;
  --text-primary: var(--ink-800);
  --text-muted: var(--ink-500);
  --border: var(--ink-100);
  --accent: var(--mint-600);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg-page: var(--paper-050);
    --bg-surface: #FFFFFF;
    --text-primary: var(--ink-800);
    --text-muted: var(--ink-500);
    --border: var(--ink-100);
    --accent: var(--mint-600);
  }
}

/* ---------- Reset nhẹ ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);          /* 17px — tối thiểu cho người lớn tuổi */
  line-height: var(--lh-body);
  color: var(--ink-800);
  background: var(--paper-050);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;                  /* không tràn ngang */
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

/* ---------- Bố cục chung ---------- */
.wrap {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: 20px;
}
section { padding-block: var(--sp-9); }
@media (max-width: 640px) { section { padding-block: var(--sp-8); } }

.eyebrow {
  display: inline-block;
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--mint-700);
  background: var(--mint-100);
  padding: 6px 14px;
  border-radius: var(--r-full);
  margin-bottom: var(--sp-4);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
  color: var(--ink-800);
}
.section-lead {
  margin-top: var(--sp-4);
  color: var(--ink-500);
  max-width: 60ch;
}
.center { text-align: center; margin-inline: auto; }
.center .section-lead { margin-inline: auto; }

/* ---------- Nút ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-body);
  border-radius: var(--r-full);
  padding: 14px 28px;
  min-height: 48px;                    /* vùng chạm tối thiểu */
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform .12s ease, box-shadow .2s ease, background .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: var(--mint-400);
  color: var(--ink-900);               /* tương phản 11.9:1 */
  box-shadow: var(--sh-mint);
}
.btn--primary:hover { background: var(--mint-300); }
.btn--ghost {
  background: transparent;
  color: var(--ink-800);
  border: 1.5px solid var(--ink-100);
}
.btn--ghost:hover { border-color: var(--ink-300); }

/* Nút "Sắp có" — placeholder, app chưa phát hành */
.btn--soon {
  background: var(--ink-800);
  color: var(--paper-050);
  cursor: default;
  gap: 12px;
}
.btn--soon .badge-soon {
  font-size: 12px;
  font-weight: var(--fw-bold);
  letter-spacing: .03em;
  background: var(--mint-400);
  color: var(--ink-900);
  padding: 3px 8px;
  border-radius: var(--r-full);
  text-transform: uppercase;
}
.btn--soon.on-dark { background: rgba(255,255,255,.08); color: var(--paper-050); border: 1px solid rgba(255,255,255,.14); }

.btn-sub { font-size: var(--fs-small); color: var(--ink-300); margin-top: var(--sp-3); }
.on-dark .btn-sub, .hero .btn-sub { color: rgba(255,255,255,.55); }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper-050) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--ink-100);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 68px;
}
.site-header .logo { height: 30px; width: auto; }
.header-cta { display: flex; align-items: center; gap: 10px; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  background: var(--ink-900);
  background-image: var(--grad-hero);
  color: var(--paper-050);
  overflow: hidden;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--sp-8);
  align-items: center;
}
.hero-copy .kicker {
  display: inline-block;
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--mint-300);
  background: rgba(47,217,160,.10);
  border: 1px solid rgba(47,217,160,.22);
  padding: 6px 14px;
  border-radius: var(--r-full);
  margin-bottom: var(--sp-5);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: var(--fw-extrabold);
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  color: var(--paper-050);
}
.stat-big {
  font-family: var(--font-display);
  font-weight: var(--fw-extrabold);
  font-size: inherit;
  line-height: inherit;
  letter-spacing: -0.02em;
  background: var(--grad-mint);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  white-space: nowrap;
}
.hero-sub {
  margin-top: var(--sp-5);
  font-size: 1.15rem;
  color: rgba(255,255,255,.82);
  max-width: 46ch;
}
.hero-actions { margin-top: var(--sp-6); }
/* Cam kết "trên máy" — trên nếp gấp đầu tiên, ngay trong hero */
.hero-assurance {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: var(--sp-6);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--mint-300);
  background: rgba(47,217,160,.08);
  border: 1px solid rgba(47,217,160,.20);
  padding: 10px 16px;
  border-radius: var(--r-full);
}
.hero-assurance svg { flex: none; }

/* Khung điện thoại (CSS thuần) */
.phone {
  --w: 280px;
  width: var(--w);
  margin-inline: auto;
  aspect-ratio: 280 / 580;
  background: #050D16;
  border: 10px solid #1B2A38;
  border-radius: 40px;
  box-shadow: var(--sh-lg), 0 0 0 1px rgba(47,217,160,.12);
  transform: rotate(4deg);
  padding: 14px 12px;
  position: relative;
}
.phone::before {
  content: "";
  position: absolute; top: 14px; left: 50%; transform: translateX(-50%);
  width: 96px; height: 22px; background: #050D16; border-radius: var(--r-full);
}
.phone-screen {
  height: 100%;
  background: linear-gradient(180deg, #0E1C2A 0%, #0B1622 100%);
  border-radius: 28px;
  padding: 34px 16px 16px;
  display: flex; flex-direction: column; gap: 12px;
}
.phone-h {
  color: rgba(255,255,255,.55); font-size: 13px; font-weight: var(--fw-medium);
}
.phone-total {
  font-family: var(--font-display); font-weight: var(--fw-extrabold);
  font-size: 30px; letter-spacing: -.02em; line-height: 1.1;
  background: var(--grad-mint); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.phone-row {
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 14px; padding: 11px 12px;
}
.phone-row .l { display: flex; align-items: center; gap: 9px; }
.phone-dot { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; font-size: 15px; }
.phone-row .name { color: #E7EEF3; font-size: 13px; font-weight: var(--fw-semibold); line-height: 1.2; }
.phone-row .meta { color: rgba(255,255,255,.45); font-size: 11px; }
.phone-row .size { color: var(--mint-300); font-size: 13px; font-weight: var(--fw-bold); }
.phone-cta {
  margin-top: auto; text-align: center;
  background: var(--mint-400); color: var(--ink-900);
  font-weight: var(--fw-bold); font-size: 14px;
  padding: 12px; border-radius: var(--r-full);
}

/* ==========================================================================
   BA CỘT
   ========================================================================== */
.cards {
  margin-top: var(--sp-7);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.card {
  background: var(--bg-surface);
  border: 1px solid var(--ink-100);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  box-shadow: var(--sh-sm);
  transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--sh-md); }
.card-icon {
  width: 52px; height: 52px; border-radius: var(--r-md);
  display: grid; place-items: center;
  background: var(--mint-100);
  margin-bottom: var(--sp-4);
}
.card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem; font-weight: var(--fw-bold);
  color: var(--ink-800);
}
.card p { margin-top: var(--sp-3); color: var(--ink-500); font-size: var(--fs-small); }

/* ==========================================================================
   KHỐI QUYỀN RIÊNG TƯ  (nền mint-050)
   ========================================================================== */
.privacy { background: var(--mint-050); }
.privacy .wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-8); align-items: center;
}
.privacy .lockicon {
  width: 64px; height: 64px; border-radius: var(--r-lg);
  display: grid; place-items: center; background: var(--mint-400);
  box-shadow: var(--sh-mint); margin-bottom: var(--sp-5);
}
.privacy h2 { color: var(--ink-800); }
.privacy .section-lead { color: var(--ink-600); }
.privacy-list { margin-top: var(--sp-6); display: grid; gap: var(--sp-4); }
.privacy-list li { display: flex; gap: 12px; align-items: flex-start; }
.privacy-list .tick {
  flex: none; width: 26px; height: 26px; border-radius: var(--r-full);
  background: var(--mint-400); display: grid; place-items: center; margin-top: 2px;
}
.privacy-list b { color: var(--ink-800); }
.privacy-list span { color: var(--ink-500); font-size: var(--fs-small); display: block; }

/* thẻ minh hoạ offline */
.offline-card {
  background: var(--ink-900);
  background-image: var(--grad-hero);
  border-radius: var(--r-xl);
  padding: var(--sp-7);
  color: var(--paper-050);
  box-shadow: var(--sh-lg);
}
.offline-card .flow { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.offline-node {
  flex: 1; text-align: center;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-md); padding: 16px 8px;
}
.offline-node .ic { font-size: 26px; }
.offline-node .lb { font-size: 12px; color: rgba(255,255,255,.7); margin-top: 6px; }
.offline-x { color: var(--danger-500); font-weight: var(--fw-bold); font-size: 22px; }
.offline-caption { margin-top: var(--sp-5); text-align: center; color: var(--mint-300); font-weight: var(--fw-semibold); }

/* ==========================================================================
   KHỐI AN TOÀN
   ========================================================================== */
.safety { background: var(--paper-050); }
.safety-grid {
  margin-top: var(--sp-7);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5);
}
.safety-item {
  background: var(--bg-surface); border: 1px solid var(--ink-100);
  border-radius: var(--r-lg); padding: var(--sp-6);
}
.safety-item .ic {
  width: 48px; height: 48px; border-radius: var(--r-md); display: grid; place-items: center;
  background: var(--warn-100); margin-bottom: var(--sp-4);
}
.safety-item h3 { font-family: var(--font-display); font-size: 1.15rem; font-weight: var(--fw-bold); color: var(--ink-800); }
.safety-item p { margin-top: var(--sp-2); color: var(--ink-500); font-size: var(--fs-small); }

/* ==========================================================================
   TRƯỚC / SAU  (nền trắng)
   ========================================================================== */
.beforeafter { background: var(--bg-surface); }
.ba-wrap { margin-top: var(--sp-7); display: grid; grid-template-columns: 1fr auto 1fr; gap: var(--sp-6); align-items: center; }
.ba-col { text-align: center; }
.ba-label { font-size: var(--fs-small); font-weight: var(--fw-semibold); color: var(--ink-500); text-transform: uppercase; letter-spacing: .04em; }
.ba-num { font-family: var(--font-display); font-weight: var(--fw-extrabold); font-size: 2.4rem; letter-spacing: -.02em; line-height: 1.1; margin-top: 6px; }
.ba-col.before .ba-num { color: var(--ink-800); }
.ba-col.after .ba-num { background: var(--grad-mint); -webkit-background-clip: text; background-clip: text; color: transparent; }
.ba-bar { height: 18px; border-radius: var(--r-full); margin-top: var(--sp-4); overflow: hidden; background: var(--paper-100); }
.ba-bar > i { display: block; height: 100%; border-radius: var(--r-full); }
.ba-col.before .ba-bar > i { width: 100%; background: var(--ink-300); }
.ba-col.after  .ba-bar > i { width: 34%; background: var(--grad-mint); }
.ba-note { margin-top: 10px; font-size: var(--fs-small); color: var(--ink-300); }
.ba-arrow { color: var(--mint-600); font-size: 34px; font-weight: var(--fw-bold); }
.ba-caption { margin-top: var(--sp-6); text-align: center; color: var(--ink-500); font-size: var(--fs-small); }

/* ==========================================================================
   CTA CUỐI
   ========================================================================== */
.finalcta { background: var(--ink-900); background-image: var(--grad-hero); color: var(--paper-050); text-align: center; }
.finalcta h2 { color: var(--paper-050); }
.finalcta .section-lead { color: rgba(255,255,255,.75); }
.finalcta .hero-actions { display: flex; flex-direction: column; align-items: center; gap: 8px; margin-top: var(--sp-6); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer { background: var(--ink-900); color: rgba(255,255,255,.7); padding-block: var(--sp-7); }
.site-footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--sp-6); }
.site-footer .logo { height: 30px; margin-bottom: var(--sp-4); }
.site-footer p { font-size: var(--fs-small); color: rgba(255,255,255,.55); max-width: 40ch; }
.site-footer h4 { font-size: var(--fs-small); text-transform: uppercase; letter-spacing: .05em; color: rgba(255,255,255,.45); margin-bottom: var(--sp-3); font-weight: var(--fw-semibold); }
.site-footer a { color: rgba(255,255,255,.8); text-decoration: none; display: inline-block; padding: 4px 0; }
.site-footer a:hover { color: var(--mint-300); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); margin-top: var(--sp-6); padding-top: var(--sp-5); font-size: var(--fs-small); color: rgba(255,255,255,.45); }

/* ==========================================================================
   TRANG CHÍNH SÁCH
   ========================================================================== */
.policy { background: var(--paper-050); }
.policy .wrap { max-width: 760px; }
.policy h1 { font-family: var(--font-display); font-size: var(--fs-h1); font-weight: var(--fw-bold); color: var(--ink-800); letter-spacing: -.01em; }
.policy .updated { color: var(--ink-300); font-size: var(--fs-small); margin-top: var(--sp-2); }
.policy h2 { font-family: var(--font-display); font-size: var(--fs-h2); font-weight: var(--fw-bold); color: var(--ink-800); margin-top: var(--sp-7); }
.policy p, .policy li { color: var(--ink-600); }
.policy p { margin-top: var(--sp-4); }
.policy ul { margin-top: var(--sp-4); display: grid; gap: var(--sp-3); }
.policy ul li { position: relative; padding-left: 26px; }
.policy ul li::before { content: ""; position: absolute; left: 4px; top: 11px; width: 8px; height: 8px; border-radius: 50%; background: var(--mint-500); }
.policy .callout {
  margin-top: var(--sp-6); background: var(--mint-050); border: 1px solid var(--mint-100);
  border-left: 4px solid var(--mint-500); border-radius: var(--r-md); padding: var(--sp-5);
}
.policy .callout p { margin-top: 0; color: var(--ink-700); }
.policy .back { display: inline-flex; align-items: center; gap: 8px; margin-top: var(--sp-7); color: var(--mint-700); font-weight: var(--fw-semibold); text-decoration: none; }

/* ==========================================================================
   HEADER NAV + DẢI TIN CẬY (mới)
   ========================================================================== */
.header-nav { display: flex; gap: var(--sp-5); margin-inline: auto; }
.header-nav a {
  text-decoration: none; color: var(--ink-600);
  font-size: var(--fs-small); font-weight: var(--fw-medium); padding: 6px 2px;
}
.header-nav a:hover { color: var(--mint-700); }

.hero .wrap.trust-strip {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 14px; margin-top: var(--sp-7); padding-top: var(--sp-6);
  border-top: 1px solid rgba(255,255,255,.08);
  color: rgba(255,255,255,.62); font-size: var(--fs-small);
}
.trust-strip b { color: var(--mint-300); font-weight: var(--fw-bold); }
.trust-strip .dot { width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,.25); }

/* ==========================================================================
   TÙY CHỈNH TIÊU CHÍ  (nền trắng)
   ========================================================================== */
.criteria { background: var(--bg-surface); }
.criteria .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-8); align-items: center; }
.criteria-points { margin-top: var(--sp-6); display: grid; gap: var(--sp-4); }
.criteria-points li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink-500); font-size: var(--fs-small); }
.criteria-points b { color: var(--ink-800); }
.criteria-points .tick {
  flex: none; width: 24px; height: 24px; border-radius: 50%;
  background: var(--mint-100); display: grid; place-items: center; margin-top: 1px;
}

/* Ảnh mẫu dạng thẻ sáng (dùng chung cho các màn hình mẫu) */
.mock { max-width: 320px; margin-inline: auto; }
.mock-screen.light {
  background: var(--bg-surface); border: 1px solid var(--ink-100);
  border-radius: var(--r-xl); box-shadow: var(--sh-lg); padding: var(--sp-5);
}
.mock-appbar { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: 1.1rem; color: var(--ink-800); margin-bottom: var(--sp-4); }
.mock-label { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-400); font-weight: var(--fw-semibold); margin: var(--sp-4) 0 var(--sp-2); }
.seg { display: flex; background: var(--paper-100); border-radius: var(--r-full); padding: 4px; gap: 4px; }
.seg span { flex: 1; text-align: center; font-size: 13px; font-weight: var(--fw-semibold); color: var(--ink-500); padding: 8px 4px; border-radius: var(--r-full); }
.seg span.on { background: var(--mint-400); color: var(--ink-900); box-shadow: var(--sh-sm); }
.opt { display: flex; align-items: center; justify-content: space-between; padding: 11px 2px; border-bottom: 1px solid var(--ink-050); font-size: 14px; color: var(--ink-700); font-weight: var(--fw-medium); }
.opt:last-of-type { border-bottom: none; }
.sw { width: 38px; height: 22px; border-radius: var(--r-full); background: var(--ink-100); position: relative; flex: none; }
.sw::after { content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: var(--sh-sm); transition: left .2s; }
.sw.on { background: var(--mint-500); }
.sw.on::after { left: 18px; }
.mock-note { margin-top: var(--sp-4); background: var(--mint-050); border: 1px solid var(--mint-100); border-radius: var(--r-md); padding: 12px 14px; font-size: 13px; color: var(--mint-700); line-height: 1.45; }

/* ==========================================================================
   LUỒNG LÀM VIỆC (bốn bước)
   ========================================================================== */
.howto { background: var(--paper-050); }
.steps { margin-top: calc(var(--sp-7) + 8px); display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); }
.step {
  position: relative; background: var(--bg-surface); border: 1px solid var(--ink-100);
  border-radius: var(--r-lg); padding: var(--sp-5); box-shadow: var(--sh-sm);
}
.step-visual {
  height: 148px; display: grid; place-items: center; margin-bottom: var(--sp-4);
  background: var(--ink-900); background-image: var(--grad-hero);
  border-radius: var(--r-md); overflow: hidden;
}
.step-no {
  position: absolute; top: -15px; left: var(--sp-5);
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--mint-400); color: var(--ink-900);
  font-family: var(--font-display); font-weight: var(--fw-extrabold);
  display: grid; place-items: center; box-shadow: var(--sh-mint); z-index: 2;
}
.step h3 { font-family: var(--font-display); font-size: 1.15rem; font-weight: var(--fw-bold); color: var(--ink-800); }
.step p { margin-top: var(--sp-2); color: var(--ink-500); font-size: var(--fs-small); }

.mini-mock { width: 100%; padding: 12px; text-align: center; }
.mini-cap { color: rgba(255,255,255,.7); font-size: 11px; margin-top: 10px; }
/* Bước 1 — quét */
.scan-grid { position: relative; width: 110px; height: 80px; margin-inline: auto; display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(3, 1fr); gap: 6px; }
.scan-grid i { background: rgba(255,255,255,.09); border-radius: 5px; }
.scan-line { position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--mint-400); box-shadow: 0 0 12px 2px rgba(47,217,160,.7); border-radius: 2px; animation: scanmove 1.9s ease-in-out infinite; }
@keyframes scanmove { 0% { top: 0; } 50% { top: calc(100% - 3px); } 100% { top: 0; } }
/* Bước 2 — vuốt */
.swipe-card { width: 98px; margin-inline: auto; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: var(--r-md); padding: 12px; transform: rotate(-5deg); }
.swipe-img { height: 68px; border-radius: 8px; background: rgba(180,195,206,.2); display: grid; place-items: center; font-size: 26px; }
.swipe-actions { display: flex; justify-content: space-between; margin-top: 8px; }
.swipe-actions .keep { color: var(--mint-300); font-size: 11px; font-weight: var(--fw-bold); }
.swipe-actions .del { color: var(--danger-500); font-size: 11px; font-weight: var(--fw-bold); }
/* Bước 3 — xác nhận */
.confirm-box { text-align: center; }
.confirm-num { font-family: var(--font-display); font-weight: var(--fw-extrabold); font-size: 1.7rem; color: #fff; }
.confirm-sub { color: var(--mint-300); font-size: 12px; font-weight: var(--fw-semibold); margin-top: 2px; }
.confirm-btn { margin-top: 12px; background: var(--danger-500); color: #fff; font-weight: var(--fw-bold); font-size: 12px; padding: 9px 16px; border-radius: var(--r-full); display: inline-block; }
/* Bước 4 — xong */
.done-box { text-align: center; }
.done-check { width: 46px; height: 46px; margin: 0 auto 10px; border-radius: 50%; background: var(--mint-400); color: var(--ink-900); font-size: 24px; font-weight: 700; display: grid; place-items: center; box-shadow: var(--sh-mint); }
.done-num { font-family: var(--font-display); font-weight: var(--fw-extrabold); font-size: 1.6rem; background: var(--grad-mint); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ==========================================================================
   GIỮ KỶ NIỆM  (nền mint-050)
   ========================================================================== */
.memories { background: var(--mint-050); }
.memories .wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--sp-8); align-items: center; }
.mem-feats { margin-top: var(--sp-6); display: grid; gap: var(--sp-4); }
.mem-feat { display: flex; gap: 14px; align-items: flex-start; }
.mf-ic { flex: none; width: 46px; height: 46px; border-radius: var(--r-md); background: #fff; border: 1px solid var(--mint-100); display: grid; place-items: center; font-size: 22px; box-shadow: var(--sh-sm); }
.mem-feat b { color: var(--ink-800); font-family: var(--font-display); font-size: 1.05rem; }
.mem-feat p { color: var(--ink-500); font-size: var(--fs-small); margin-top: 2px; }

.mem-visual .mock { max-width: 340px; }
.widget-mock { background: linear-gradient(135deg, #16C093, #0A7F63); border-radius: var(--r-lg); padding: var(--sp-5); color: #fff; box-shadow: var(--sh-lg); }
.wg-brand { display: inline-block; background: rgba(255,255,255,.2); font-size: 12px; font-weight: var(--fw-bold); padding: 3px 10px; border-radius: var(--r-full); }
.wg-big { font-family: var(--font-display); font-weight: var(--fw-extrabold); font-size: 2rem; margin-top: 14px; line-height: 1.1; }
.wg-sub { font-size: 13px; color: rgba(255,255,255,.9); margin-top: 2px; }
.memcard-mock { background: #fff; border: 1px solid var(--mint-100); border-radius: var(--r-lg); padding: var(--sp-4); margin-top: var(--sp-4); box-shadow: var(--sh-md); }
.mem-head { display: flex; justify-content: space-between; align-items: center; font-weight: var(--fw-semibold); color: var(--ink-700); font-size: 14px; }
.mem-year { color: var(--mint-700); font-weight: var(--fw-bold); }
.mem-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 12px; }
.mem-thumbs i { aspect-ratio: 1; border-radius: 10px; display: block; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 960px) {
  .header-nav { display: none; }
}
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; gap: var(--sp-7); }
  .hero-visual { order: 2; }
  .privacy .wrap { grid-template-columns: 1fr; }
  .criteria .wrap { grid-template-columns: 1fr; }
  .memories .wrap { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: calc(var(--sp-5) + 10px); }
  .site-footer .wrap { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .cards { grid-template-columns: 1fr; }
  .safety-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .trust-strip { gap: 10px 12px; }
}
@media (max-width: 560px) {
  .header-cta .btn--soon { padding: 10px 14px; }
  .header-cta .btn-label-long { display: none; }
  .site-footer .wrap { grid-template-columns: 1fr; }
  .ba-wrap { grid-template-columns: 1fr; gap: var(--sp-4); }
  .ba-arrow { transform: rotate(90deg); }
  .hero h1 { font-size: clamp(2rem, 9vw, 2.6rem); }
}

/* Ưu tiên hiệu ứng nhẹ, tôn trọng người tắt chuyển động */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}