/* =========================================================
   VIET ANH – Trusted Mentor · Bản Đồ Khởi Nghiệp
   Màu và chữ theo bộ nhận diện: mực tàu, giấy kem, vàng.
   ========================================================= */
/* Bút lông: Alegreya đậm cho tiêu đề, Alegreya Sans cho chữ (x-height nhỏ nên phóng 12%) */
:root[data-font="but-long"] {
  --head: 'Alegreya', Georgia, serif;
  --body: 'Alegreya Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --head-w: 700;
  --head-w-sm: 700;
  --head-scale: .92;
  --body-scale: 1.12;
}
:root {
  --ink: #283739;          /* mực tàu: chữ, nền tối */
  --ink-deep: #1E2A2C;
  --paper: #FAF6EF;        /* giấy kem */
  --sand: #F3ECE1;
  --card: #F1E8DA;
  --dawn: #F3E1C9;         /* bình minh: ô nhấn */
  --gold: #B49060;         /* vàng: viền, nét */
  --gold-text: #8C6A3C;    /* chữ vàng trên nền kem */
  --gold-ink: #D9B47E;     /* chữ vàng trên nền tối */
  --muted: #5A6667;
  --line: rgba(40, 55, 57, .14);
  --line-ink: rgba(250, 246, 239, .14);
  --error: #A23B2A;
  /* Bộ phông chọn trong config.js (fontSet). Mặc định: Khắc đá */
  --head: 'Noto Serif Display', Georgia, serif;   /* tiêu đề */
  --body: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', sans-serif;  /* chữ thường */
  --num: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', sans-serif;   /* số, nhãn nhỏ, nút */
  --head-w: 400;        /* Khắc đá dùng nét thường, mảnh */
  --head-w-sm: 500;
  --head-scale: .9;
  --body-scale: 1;
  --wrap: 1100px;
  --gutter: clamp(16px, 4vw, 40px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body {
  font-family: var(--body);
  font-size: calc(16px * var(--body-scale));
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
[hidden] { display: none !important; }
a { color: inherit; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
section { padding: clamp(64px, 9vw, 112px) 0; scroll-margin-top: 56px; }

h1, h2, h3 {
  font-family: var(--head);
  font-weight: var(--head-w);
  line-height: 1.18;
  font-variant-numeric: lining-nums;
  text-wrap: balance;
}
h2 { font-size: calc(clamp(32px, 4.6vw, 50px) * var(--head-scale)); margin-bottom: 16px; }
h3 { font-size: calc(clamp(22px, 2.4vw, 26px) * var(--head-scale)); font-weight: var(--head-w-sm); }
.num { font-family: var(--num); font-variant-numeric: lining-nums tabular-nums; }

.kicker {
  font: 600 12px/1.4 var(--num);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold-text);
  margin-bottom: 14px;
}
.sec-head { max-width: 760px; margin: 0 auto clamp(36px, 5vw, 56px); text-align: center; }
.sec-head p { color: var(--muted); font-size: calc(17px * var(--body-scale)); }

.sand { background: var(--sand); }
.dark { background: var(--ink) url(assets/ink.webp) center bottom / cover no-repeat; color: var(--paper); }
.dark .kicker { color: var(--gold-ink); }
.dark .sec-head p { color: rgba(250, 246, 239, .76); }

/* ---------- chỗ cần điền (bản nháp) ---------- */
.ph {
  background: rgba(217, 180, 126, .34);
  outline: 1px dashed var(--gold);
  outline-offset: 1px;
  border-radius: 4px;
  padding: 0 .2em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.dark .ph { background: rgba(217, 180, 126, .2); outline-color: var(--gold-ink); }
.ph-box {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  text-align: center;
  padding: 18px;
  border: 1.5px dashed var(--gold);
  border-radius: 14px;
  background: repeating-linear-gradient(135deg, rgba(180, 144, 96, .08) 0 12px, transparent 12px 24px);
  color: var(--gold-text);
  font-size: calc(14px * var(--body-scale));
  font-weight: 600;
  line-height: 1.45;
}
.ph-box small { font-weight: 400; font-size: calc(12.5px * var(--body-scale)); color: var(--muted); }

/* ---------- nút ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 56px;
  padding: 0 34px;
  border-radius: 999px;
  border: 1px solid var(--gold);
  background: var(--gold-ink);
  color: var(--ink);
  font: 700 15px/1.2 var(--num);
  letter-spacing: .12em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 12px 28px -14px rgba(140, 106, 60, .7);
  transition: background .2s, transform .2s;
}
.btn:hover { background: #E4C394; transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }
.dark .btn:focus-visible { outline-color: var(--paper); }
.btn[disabled] { opacity: .7; cursor: wait; transform: none; }
.cta-row { text-align: center; margin-top: clamp(36px, 5vw, 52px); }
.cta-row small { display: block; margin-top: 12px; color: var(--muted); font-size: calc(14px * var(--body-scale)); }
.dark .cta-row small { color: rgba(250, 246, 239, .7); }

/* ---------- thanh trên cùng ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(30, 42, 44, .95);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  color: var(--paper);
  border-bottom: 1px solid var(--line-ink);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 56px; }
.topbar .logo { height: 26px; width: auto; }
.tb-mid { display: flex; align-items: baseline; gap: 10px; font-size: calc(13px * var(--body-scale)); white-space: nowrap; }
.tb-mid b { font-family: var(--num); color: var(--gold-ink); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
#tb-cd { font-weight: 600; font-variant-numeric: tabular-nums; }
.tb-btn {
  padding: 9px 16px; border-radius: 999px;
  background: var(--gold-ink); color: var(--ink);
  font: 700 12px/1 var(--num); letter-spacing: .1em; text-transform: uppercase; text-decoration: none;
  white-space: nowrap;
}

/* ---------- nền phong cảnh (đầu trang + form) ---------- */
.scenic {
  --img-w: max(100vw, 1100px);
  position: relative;
  overflow: hidden;
  text-align: center;
  background: linear-gradient(180deg, #E6E4E1 0%, #EDE8E1 45%, #F3E7D6 100%);
  padding-bottom: 0;
}
.scenic::before {
  content: "";
  position: absolute; bottom: 0; left: 50%;
  width: var(--img-w);
  aspect-ratio: 16 / 9;
  transform: translateX(-50%);
  background: url(assets/sunrise.webp) center bottom / cover no-repeat;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 42%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 42%);
  pointer-events: none;
}
.scenic-in {
  position: relative; z-index: 1;
  max-width: 800px; margin: 0 auto;
  padding: 0 var(--gutter) calc(var(--img-w) * .5625 * .3);
}

/* ---------- đầu trang ---------- */
.hero { padding-top: clamp(40px, 7vw, 84px); }
.badge {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--gold);
  border-radius: 999px;
  background: rgba(250, 246, 239, .55);
  color: var(--gold-text);
  font: 600 11.5px/1.2 var(--num);
  letter-spacing: .18em;
  text-transform: uppercase;
}
.hero h1 { font-size: calc(clamp(54px, 10.5vw, 116px) * var(--head-scale)); line-height: 1.08; margin: 22px 0 16px; }
.when { font: 600 clamp(16px, 2.2vw, 20px)/1.4 var(--num); color: var(--gold-text); }
.hook {
  font-family: var(--head);
  font-weight: var(--head-w);
  font-size: calc(clamp(31px, 5vw, 52px) * var(--head-scale));
  line-height: 1.18;
  margin: clamp(30px, 4.5vw, 44px) 0 20px;
}
.hook em { color: var(--gold-text); }
.lede { max-width: 640px; margin: 0 auto; font-size: calc(17px * var(--body-scale)); color: #3B4849; }
.video {
  width: min(300px, 76vw);
  aspect-ratio: 9 / 16;
  margin: 34px auto 0;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(40, 55, 57, .55);
}
.video .ph-box { height: 100%; background-color: rgba(250, 246, 239, .7); }
.video iframe { width: 100%; height: 100%; border: 0; display: block; }
.facts { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 10px; list-style: none; margin: 30px auto 0; max-width: 660px; }
.facts li {
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(250, 246, 239, .78);
  font-size: calc(14px * var(--body-scale)); font-weight: 500;
}

/* ---------- đồng hồ đếm ngược ---------- */
.cd { margin: 34px auto 0; }
.cd .lbl { font: 600 12px/1.4 var(--num); letter-spacing: .2em; text-transform: uppercase; color: var(--gold-text); margin-bottom: 12px; }
.cd-row { display: flex; justify-content: center; gap: 10px; }
.cd-box { width: 76px; padding: 13px 0 10px; border-radius: 14px; background: var(--ink); color: var(--paper); }
.cd-box b { display: block; font: 600 30px/1 var(--num); font-variant-numeric: tabular-nums; }
.cd-box span { display: block; font-family: var(--num); margin-top: 6px; font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--gold-ink); }

/* ---------- tấm bản đồ (Business Model Canvas) ---------- */
.canvas {
  max-width: 1000px; margin: 0 auto;
  padding: clamp(8px, 1.4vw, 14px);
  border-radius: 18px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .7);
}
.canvas-grid {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.cell { position: relative; min-height: 140px; padding: 14px 14px 16px; background: var(--paper); }
.cell .n { display: block; margin-bottom: 6px; font: 700 12px/1 var(--num); color: var(--gold-text); }
.cell b { display: block; font: 600 calc(15px * var(--body-scale))/1.3 var(--body); }
.cell small { display: block; margin-top: 6px; font-size: calc(13.5px * var(--body-scale)); line-height: 1.45; color: var(--muted); }
.cell.start { background: var(--dawn); }
.pin {
  display: inline-block; margin-top: 10px;
  padding: 5px 9px; border-radius: 999px;
  background: var(--ink); color: var(--gold-ink);
  font: 700 10px/1 var(--num); letter-spacing: .12em; text-transform: uppercase;
}
.c-kp { grid-column: 1 / 3; grid-row: 1 / 3; }
.c-ka { grid-column: 3 / 5; grid-row: 1; }
.c-kr { grid-column: 3 / 5; grid-row: 2; }
.c-vp { grid-column: 5 / 7; grid-row: 1 / 3; }
.c-cr { grid-column: 7 / 9; grid-row: 1; }
.c-ch { grid-column: 7 / 9; grid-row: 2; }
.c-cs { grid-column: 9 / 11; grid-row: 1 / 3; }
.c-co { grid-column: 1 / 6; grid-row: 3; min-height: 92px; }
.c-rv { grid-column: 6 / 11; grid-row: 3; min-height: 92px; }
.canvas-legend {
  display: flex; justify-content: space-between; gap: 12px;
  max-width: 1000px; margin: 14px auto 0;
  font-size: calc(13px * var(--body-scale)); letter-spacing: .06em; color: rgba(250, 246, 239, .72);
}
.canvas-note { max-width: 680px; margin: 28px auto 0; text-align: center; color: rgba(250, 246, 239, .8); }

/* ---------- nỗi đau ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.pain { padding: 28px; border-radius: 18px; background: var(--card); }
.pain h3 { margin: 16px 0 8px; }
.pain p { color: var(--muted); }
.ring {
  display: grid; place-items: center; flex: none;
  width: 62px; height: 62px;
  background: url(assets/ring-gold.webp) center / contain no-repeat;
  font: 600 18px/1 var(--num);
  color: var(--gold-text);
}
.dark .ring { color: var(--gold-ink); }

/* ---------- nhận được gì ---------- */
.gains { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 22px; }
.gains li {
  position: relative;
  padding: 20px 22px 20px 64px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
  color: var(--muted);
}
.gains li::before {
  content: ""; position: absolute; left: 22px; top: 22px;
  width: 26px; height: 26px; border-radius: 50%; background: var(--ink);
}
.gains li::after {
  content: ""; position: absolute; left: 31px; top: 27px;
  width: 7px; height: 12px;
  border: solid var(--gold-ink); border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.gains b { display: block; margin-bottom: 4px; font-weight: 600; color: var(--ink); }

.photos {
  display: grid; gap: 14px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, .92fr);
  grid-template-rows: clamp(220px, 27vw, 360px) clamp(160px, 18vw, 240px);
  margin-top: clamp(40px, 6vw, 64px);
}
.photos figure { border-radius: 16px; overflow: hidden; background: var(--card); }
.photos img { width: 100%; height: 100%; object-fit: cover; }
.photos .p1 { grid-column: 1 / 3; grid-row: 1; }
.photos .p2 { grid-column: 3; grid-row: 1 / 3; }
.photos .p3 { grid-column: 1; grid-row: 2; }
.photos .p4 { grid-column: 2; grid-row: 2; }
.photos .p1 img { object-position: 50% 55%; }
.photos .p2 img { object-position: 50% 30%; }
.photos .p3 img { object-position: 68% 40%; }
.photos .p4 img { object-position: 28% 55%; }
.photo-cap { margin-top: 14px; text-align: center; font-size: calc(14px * var(--body-scale)); color: var(--muted); }

/* ---------- lịch buổi học ---------- */
.parts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.part { padding: clamp(24px, 3vw, 34px); border-radius: 20px; background: var(--card); }
.part-head { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.part-time { font: 600 12px/1.4 var(--num); letter-spacing: .16em; text-transform: uppercase; color: var(--gold-text); margin-bottom: 4px; }
.part h3 { font-size: calc(clamp(25px, 2.8vw, 30px) * var(--head-scale)); }
.part ol { list-style: none; }
.part li { padding: 16px 0; border-top: 1px solid var(--line); }
.part li:last-child { padding-bottom: 0; }
.part li b { display: block; margin-bottom: 4px; font-weight: 600; }
.part li p { font-size: calc(15px * var(--body-scale)); color: var(--muted); }

/* ---------- người chia sẻ ---------- */
.speaker { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.portrait { aspect-ratio: 4 / 5; border-radius: 22px; overflow: hidden; background: var(--ink-deep); border: 1px solid var(--line-ink); }
.portrait img { width: 100%; height: 100%; object-fit: cover; object-position: center 15%; }
.speaker h2 { font-size: calc(clamp(42px, 5.5vw, 64px) * var(--head-scale)); margin-bottom: 6px; }
.role { margin-bottom: 22px; font-family: var(--num); font-size: 14px; font-weight: 600; letter-spacing: .08em; color: var(--gold-ink); }
.creds { list-style: none; }
.creds li { position: relative; padding: 11px 0 11px 26px; border-top: 1px solid var(--line-ink); color: rgba(250, 246, 239, .9); }
.creds li::before {
  content: ""; position: absolute; left: 3px; top: 20px;
  width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid var(--gold-ink);
}
.speaker blockquote {
  margin: 26px 0;
  font-family: var(--head); font-style: italic; font-weight: var(--head-w);
  font-size: calc(clamp(27px, 3vw, 34px) * var(--head-scale)); line-height: 1.25;
  color: var(--gold-ink);
}
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; max-width: 420px; }
.stat { padding: 16px; border: 1px solid var(--line-ink); border-radius: 14px; background: rgba(30, 42, 44, .4); }
.stat b { display: block; margin-bottom: 6px; font: 600 clamp(24px, 3vw, 30px)/1.1 var(--num); color: var(--paper); }
.stat > span { display: block; font-size: calc(13px * var(--body-scale)); line-height: 1.45; color: rgba(250, 246, 239, .72); }

/* ---------- học viên nói gì ---------- */
.tests { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.tests .ph-box { aspect-ratio: 4 / 5; }

/* ---------- câu hỏi thường gặp ---------- */
.faq { max-width: 800px; margin: 0 auto; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  position: relative;
  padding: 22px 44px 22px 0;
  list-style: none; cursor: pointer;
  font: 600 calc(17px * var(--body-scale))/1.45 var(--body);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 8px; top: 28px;
  width: 10px; height: 10px;
  border-right: 2px solid var(--gold); border-bottom: 2px solid var(--gold);
  transform: rotate(45deg); transition: transform .2s;
}
.faq details[open] summary::after { transform: rotate(-135deg); top: 33px; }
.faq summary:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; border-radius: 4px; }
.faq details p { padding: 0 0 22px; color: var(--muted); }

/* ---------- form đăng ký ---------- */
.signup { padding-top: clamp(64px, 9vw, 112px); }
.signup .sec-head { margin-bottom: 28px; }
.signup .sec-head p { color: #3B4849; }
.form-card {
  max-width: 560px; margin: 0 auto;
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid rgba(180, 144, 96, .4);
  border-radius: 22px;
  background: var(--paper);
  box-shadow: 0 40px 80px -40px rgba(40, 55, 57, .55);
  text-align: left;
}
.field { margin-bottom: 16px; }
.field label { display: block; margin-bottom: 6px; font-size: calc(14px * var(--body-scale)); font-weight: 600; }
.field label span { font-weight: 400; color: var(--muted); }
.field input:not([type=checkbox]), .field select {
  width: 100%; height: 52px;
  padding: 0 16px;
  border: 1px solid rgba(40, 55, 57, .25);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  font: 400 16px var(--body);
  -webkit-appearance: none; appearance: none;
}
.field select {
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%238C6A3C' stroke-width='2'/%3E%3C/svg%3E") right 16px center no-repeat;
  padding-right: 40px;
}
.field input:not([type=checkbox]):focus, .field select:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(180, 144, 96, .25); }
.err { display: none; margin-top: 6px; font-size: calc(13px * var(--body-scale)); color: var(--error); }
.field.invalid .err { display: block; }
.field.invalid input:not([type=checkbox]), .field.invalid select { border-color: var(--error); }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: calc(13.5px * var(--body-scale)); line-height: 1.5; color: var(--muted); }
.consent input { flex: none; width: 18px; height: 18px; margin-top: 2px; accent-color: var(--ink); }
.field.invalid .consent { color: var(--error); }
.consent a { color: var(--gold-text); }
.form-card .btn { width: 100%; margin-top: 10px; }
.form-msg { display: none; margin-top: 14px; padding: 12px 14px; border: 1px solid var(--gold); border-radius: 10px; background: #FFF4DC; font-size: calc(14px * var(--body-scale)); }
.form-msg.show { display: block; }
.close-note { margin-top: 16px; text-align: center; font-size: calc(13.5px * var(--body-scale)); color: var(--muted); }
.disclaimer { max-width: 680px; margin: 30px auto 0; font-size: calc(13px * var(--body-scale)); color: #4F5A5B; }

/* ---------- chân trang ---------- */
footer { padding: 48px 0 120px; background: var(--ink-deep); color: rgba(250, 246, 239, .76); font-size: calc(14px * var(--body-scale)); }
footer .logo { height: 34px; width: auto; margin-bottom: 18px; }
footer p + p { margin-top: 4px; }
footer a { color: var(--gold-ink); }
.foot-links { margin-top: 16px; }

/* ---------- nút dính đáy (điện thoại) ---------- */
.sticky-cta {
  position: fixed; z-index: 60;
  left: 12px; right: 12px; bottom: max(12px, env(safe-area-inset-bottom));
  display: none;
  transition: transform .25s, opacity .25s;
}
.sticky-cta.hide { transform: translateY(150%); opacity: 0; pointer-events: none; }

/* ---------- trang phụ (cảm ơn, chính sách) ---------- */
.simple { min-height: 100vh; }
.simple .scenic-in { padding-top: clamp(48px, 8vw, 96px); }
.simple .logo-stacked { width: 120px; height: auto; margin: 0 auto 26px; }
.simple h1 { font-size: calc(clamp(40px, 7vw, 68px) * var(--head-scale)); margin-bottom: 14px; }
.steps { list-style: none; max-width: 560px; margin: 30px auto 0; text-align: left; }
.steps li { display: flex; gap: 16px; align-items: flex-start; padding: 18px 20px; margin-bottom: 12px; border: 1px solid var(--line); border-radius: 16px; background: rgba(250, 246, 239, .85); }
.steps .ring { width: 48px; height: 48px; font-size: calc(15px * var(--body-scale)); }
.steps b { display: block; margin-bottom: 4px; }
.steps p { color: var(--muted); font-size: calc(15px * var(--body-scale)); }
.steps .btn { margin-top: 12px; min-height: 48px; padding: 0 22px; font-size: calc(13px * var(--body-scale)); }
.prose { max-width: 760px; margin: 0 auto; text-align: left; }
.prose h2 { font-size: calc(clamp(26px, 3vw, 32px) * var(--head-scale)); margin: 32px 0 10px; }
.prose p, .prose li { color: #3B4849; }
.prose ul { padding-left: 20px; }

/* ---------- màn hình nhỏ ---------- */
@media (max-width: 860px) {
  .grid-2, .parts, .speaker, .gains { grid-template-columns: 1fr; }
  .portrait { max-width: 420px; }
}
@media (max-width: 760px) {
  .sticky-cta { display: flex; }
  .scenic { --img-w: 230vw; }
  .scenic::before { left: auto; right: -14vw; transform: none; }
  .scenic-in { padding-bottom: calc(var(--img-w) * .5625 * .36); }
}
@media (max-width: 640px) {
  body { font-size: calc(15.5px * var(--body-scale)); }
  .tb-mid .z { display: none; }
  .topbar .logo { height: 22px; }
  .lede, .sec-head p { font-size: calc(16px * var(--body-scale)); }
  .cell { min-height: 96px; padding: 9px 6px 10px; }
  .cell .n { font-size: calc(10px * var(--body-scale)); margin-bottom: 4px; }
  .cell b { font-size: calc(11px * var(--body-scale)); line-height: 1.25; overflow-wrap: anywhere; }
  .cell small { display: none; }
  .pin { margin-top: 6px; padding: 3px 5px; font-size: calc(8px * var(--body-scale)); letter-spacing: .06em; }
  .pin .long { display: none; }
  .c-co, .c-rv { min-height: 62px; }
  .canvas-legend { font-size: calc(11.5px * var(--body-scale)); }
  .pain { padding: 22px; }
  .photos { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-rows: 52vw 36vw 36vw; gap: 10px; }
  .photos .p1 { grid-column: 1 / 3; grid-row: 1; }
  .photos .p2 { grid-column: 1; grid-row: 2 / 4; }
  .photos .p3 { grid-column: 2; grid-row: 2; }
  .photos .p4 { grid-column: 2; grid-row: 3; }
  .tests { grid-template-columns: 1fr; }
  .tests .ph-box { aspect-ratio: 3 / 2; }
  .stats { gap: 8px; }
  .stat { padding: 12px 10px; }
  .stat > span { font-size: calc(12px * var(--body-scale)); }
  .faq summary { font-size: calc(16px * var(--body-scale)); }
}
@media (max-width: 380px) {
  .hero h1 { font-size: calc(46px * var(--head-scale)); }
  .badge { font-size: 10.5px; letter-spacing: .12em; padding: 7px 12px; }
  .cd-box { width: 68px; }
  .cd-box b { font-size: calc(26px * var(--body-scale)); }
  .tb-mid b { display: none; }
}
@media (min-width: 641px) {
  .pin .short { display: none; }
}