/* Kat In Love — Couple Cinema · V1 (single page, bilingual)
   Built on the VSP web skill template (2026-10). Palette from the Kat logo:
   starry-night navy, moon gold, cream. Vietnamese = serif; English = sans, smaller, warm grey. */
@font-face { font-family: "Cormorant Garamond"; font-weight: 300 700; font-display: swap; src: url("../fonts/cormorant-vi.woff2") format("woff2");
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB; }
@font-face { font-family: "Cormorant Garamond"; font-weight: 300 700; font-display: swap; src: url("../fonts/cormorant-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Cormorant Garamond"; font-weight: 300 700; font-display: swap; src: url("../fonts/cormorant-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Lora"; font-weight: 400 700; font-display: swap; src: url("../fonts/lora-vi.woff2") format("woff2");
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB; }
@font-face { font-family: "Lora"; font-weight: 400 700; font-display: swap; src: url("../fonts/lora-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Lora"; font-weight: 400 700; font-display: swap; src: url("../fonts/lora-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

:root {
  color-scheme: dark;
  --paper: #0e1428;              /* starry-night navy */
  --surface: #161e3a;
  --ink: #f4ecd8;                /* moonlit cream */
  --ink-muted: #bdb6a6;
  --en: #a9a397;                 /* English voice — warm grey, ≥ 6:1 on navy */
  --night: #080c1a;
  --night-2: #121a33;
  --on-night: #f4ecd8;
  --on-night-muted: #bdb6a6;
  --en-night: #a39d91;
  --gold: #e8b94a;               /* moon gold */
  --gold-light: #f3cf6e;
  --gold-deep: #eab64c;          /* on dark the "deep" gold must stay bright */
  --gold-wash: rgba(232, 185, 74, .2);
  --teal: #6fcbd6;               /* swirl accent from the logo, used sparingly */
  --rule: rgba(244, 236, 216, .14);
  --rule-night: rgba(244, 236, 216, .16);

  --font-display: "Cormorant Garamond", "Lora", Georgia, serif;
  --font-body: "Lora", Georgia, "Times New Roman", serif;
  --font-en: "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;

  --step--1: clamp(.82rem, .79rem + .15vw, .9rem);
  --step-0: clamp(1rem, .96rem + .2vw, 1.0625rem);
  --step-1: clamp(1.15rem, 1.06rem + .45vw, 1.35rem);
  --step-2: clamp(1.45rem, 1.25rem + 1vw, 2rem);
  --step-3: clamp(1.85rem, 1.45rem + 1.9vw, 2.9rem);
  --step-4: clamp(2.4rem, 1.7rem + 3.2vw, 4.2rem);
  --step-5: clamp(2.9rem, 1.9rem + 5vw, 6rem);

  --gutter: clamp(16px, 4vw, 48px);
  --maxw: 1360px;
  --toc-w: 248px;
  --header-h: 64px;
  --gap-sec: clamp(64px, 9vw, 128px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 20px); }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); font-size: var(--step-0);
  line-height: 1.68; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--gold-deep); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--ink); }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 400; line-height: 1.12; letter-spacing: -.012em; margin: 0; font-feature-settings: "lnum" 1; text-wrap: balance; }
p { margin: 0 0 1em; text-wrap: pretty; }
figure { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
::selection { background: rgba(182, 130, 53, .3); }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 14px; z-index: 200; }
.skip:focus { left: 8px; }
svg { overflow: visible; }

/* ── The English voice ── */
.en { font-family: var(--font-en); font-weight: 400; color: var(--en); letter-spacing: .005em; font-style: normal; }
p.en, div.en { font-size: .86em; line-height: 1.6; border-left: 2px solid var(--gold-wash); padding-left: .85em; margin-top: -.35em; }
span.en, small.en { display: block; font-size: .8em; line-height: 1.45; margin-top: .2em; }
h1 .en, h2 .en, h3 .en, h4 .en { display: block; font-family: var(--font-en); font-weight: 400; letter-spacing: .01em; color: var(--en); text-wrap: balance; }
h1 .en { font-size: .3em; margin-top: .6em; letter-spacing: .04em; }
h2 .en { font-size: max(.38em, 1rem); margin-top: .55em; }
h3 .en { font-size: max(.5em, .95rem); margin-top: .45em; }
h4 .en { font-size: max(.72em, .85rem); margin-top: .3em; }
.night .en { color: var(--en-night); }
.night p.en, .night div.en { border-left-color: rgba(225, 173, 102, .35); }
.en-tag { font-family: var(--font-en); font-size: .62rem; letter-spacing: .14em; color: var(--gold-deep); border: 1px solid var(--gold-wash); padding: 1px 4px; margin-right: .5em; vertical-align: .15em; }

.num-k { display: inline-flex; align-items: baseline; gap: 10px; font: 400 1.05rem/1 var(--font-display); color: var(--gold-deep);
  letter-spacing: .08em; font-feature-settings: "lnum" 1; margin-bottom: 18px; }
.num-k::after { content: ""; width: 36px; height: 1px; background: var(--gold); align-self: center; }
.night .num-k { color: var(--gold-light); }
.muted { color: var(--ink-muted); }
.lede { font-size: var(--step-1); line-height: 1.6; max-width: 62ch; }
.lede + .en { font-size: calc(var(--step-1) * .8); max-width: 66ch; }

/* ── Header ── */
.site-header { position: sticky; top: 0; z-index: 60; background: rgba(243, 242, 242, .95);
  -webkit-backdrop-filter: saturate(1.2) blur(8px); backdrop-filter: saturate(1.2) blur(8px); border-bottom: 1px solid var(--rule); }
.site-header .bar { display: flex; align-items: center; gap: 16px; min-height: var(--header-h); max-width: calc(var(--maxw) + 2 * var(--gutter)); margin: 0 auto; padding-inline: var(--gutter); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); min-width: 0; }
.brand-mark { border: 1.5px solid var(--gold); color: var(--gold-deep); font: 600 1.1rem/1 var(--font-display); letter-spacing: .06em; padding: 7px 10px 6px; flex-shrink: 0; }
.brand-name { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-name b { font: 500 1.06rem/1.1 var(--font-display); }
.brand-name i { font: normal .72rem/1.3 var(--font-en); letter-spacing: .06em; color: var(--en); }
.head-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.head-link { font: 400 .9rem/1 var(--font-body); color: var(--ink); text-decoration: none; padding: 8px 6px; white-space: nowrap; }
.head-link .en { display: inline; margin-left: 6px; font-size: .78rem; }
.btn { display: inline-flex; flex-direction: column; align-items: center; justify-content: center; min-height: 46px; padding: .55em 1.3em;
  border: 1px solid var(--ink); border-radius: 2px; background: var(--ink); color: var(--paper); text-decoration: none; cursor: pointer;
  font: 500 .82rem/1.2 var(--font-body); letter-spacing: .08em; text-transform: uppercase; transition: background .2s, border-color .2s, color .2s; }
.btn .en { color: inherit; opacity: .72; text-transform: none; letter-spacing: .02em; font-size: .72rem; margin-top: 2px; display: block; }
.btn:hover { background: var(--gold-deep); border-color: var(--gold-deep); color: var(--paper); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.night .btn { background: var(--gold); border-color: var(--gold); color: var(--night); }
.night .btn:hover { background: var(--on-night); border-color: var(--on-night); }
.night .btn-ghost { background: transparent; color: var(--on-night); border-color: var(--rule-night); }
.night .btn-ghost:hover { background: var(--on-night); color: var(--night); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-sm { min-height: 40px; padding: .45em 1em; }
.toc-btn { display: none; appearance: none; border: 1px solid var(--rule); background: transparent; color: var(--ink); border-radius: 2px;
  min-height: 42px; padding: 6px 12px; cursor: pointer; align-items: center; gap: 10px; font: 500 .82rem/1.15 var(--font-body); text-align: left; }
.toc-btn .en { display: block; font-size: .68rem; margin: 0; }
.toc-btn svg { width: 18px; height: 18px; flex-shrink: 0; }
/* current chapter strip (tablet/phone) */
.now { display: none; border-top: 1px solid var(--rule); }
.now-inner { display: flex; align-items: baseline; gap: 10px; padding: 7px var(--gutter); font-size: .86rem; white-space: nowrap; overflow: hidden; }
.now-inner b { font: 400 1rem/1 var(--font-display); color: var(--gold-deep); }
.now-inner .en { display: inline; font-size: .74rem; overflow: hidden; text-overflow: ellipsis; }
.progress { position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%; background: var(--gold); transform-origin: 0 50%; transform: scaleX(0); }

/* ── Hero ── */
.night { background: var(--night); color: var(--on-night); }
.night .muted { color: var(--on-night-muted); }
.hero .wrap { max-width: calc(var(--maxw) + 2 * var(--gutter)); margin: 0 auto; padding: clamp(48px, 7vw, 108px) var(--gutter) clamp(40px, 5vw, 72px);
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(32px, 5vw, 80px); align-items: center; }
.hero h1 { font-size: var(--step-5); color: var(--on-night); }
.hero .lede { color: var(--on-night); opacity: .9; margin-top: 1.4rem; }
.hero .btn-row { margin-top: 2rem; }
.kicker { display: block; font: 400 .78rem/1.4 var(--font-en); letter-spacing: .18em; text-transform: uppercase; color: var(--gold-light); margin-bottom: 1.2rem; }
.plate-night img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border: 6px solid var(--night-2); outline: 1px solid var(--rule-night); }
.plate-night figcaption { margin-top: 10px; font-size: .86rem; color: var(--on-night-muted); }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--rule-night); }
.stats > div { padding: 24px 20px 26px 0; border-right: 1px solid var(--rule-night); }
.stats > div + div { padding-left: 20px; }
.stats > div:last-child { border-right: 0; }
.stat-n { display: block; font: 400 clamp(2rem, 1.4rem + 2.2vw, 3.2rem)/1 var(--font-display); color: var(--gold-light); font-feature-settings: "lnum" 1; margin-bottom: 10px; }
.stats p { margin: 0; font-size: .9rem; line-height: 1.45; color: var(--on-night); }
.stats .en { font-size: .76rem; }
.contents { border-top: 1px solid var(--rule-night); }
.contents ol { list-style: none; margin: 0; padding: 0; counter-reset: c; }
.contents li a { display: grid; grid-template-columns: 3.2rem minmax(0, 1fr) auto; gap: 8px 16px; align-items: baseline; padding: 16px 0;
  border-bottom: 1px solid var(--rule-night); color: var(--on-night); text-decoration: none; transition: padding .25s, background .25s; }
.contents li a:hover { padding-left: 10px; background: rgba(243, 242, 242, .03); }
.contents .c-n { font: 400 1.4rem/1 var(--font-display); color: var(--gold-light); font-feature-settings: "lnum" 1; }
.contents .c-t { font: 400 var(--step-1)/1.3 var(--font-display); }
.contents .c-t .en { font-size: .8rem; margin-top: 4px; }
.contents .c-arrow { color: var(--gold-light); font-family: var(--font-display); font-size: 1.3rem; }
.contents-head { display: flex; align-items: baseline; gap: 14px; padding: 28px 0 10px; font: 400 var(--step-2)/1.2 var(--font-display); }
.contents-head .en { display: inline; font-size: .9rem; }
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .plate-night img { aspect-ratio: 4 / 3; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats > div { padding: 20px 14px 22px 0; border-bottom: 1px solid var(--rule-night); }
  .stats > div:nth-child(2n) { border-right: 0; padding-left: 14px; }
  .stats > div:nth-child(2n+1) { padding-left: 0; }
  .stats > div:nth-last-child(-n+2) { border-bottom: 0; }
}

/* ── Layout: TOC + main ── */
.layout { max-width: calc(var(--maxw) + 2 * var(--gutter)); margin: 0 auto; padding-inline: var(--gutter);
  display: grid; grid-template-columns: var(--toc-w) minmax(0, 1fr); gap: clamp(40px, 4.5vw, 72px); }
main { min-width: 0; padding-bottom: var(--gap-sec); }

.toc { position: sticky; top: calc(var(--header-h) + 28px); align-self: start; max-height: calc(100vh - var(--header-h) - 48px);
  overflow-y: auto; overscroll-behavior: contain; padding: 40px 6px 32px 0; scrollbar-width: thin; }
.js .toc { opacity: 0; transform: translateX(-14px); transition: opacity .5s ease, transform .5s ease; }
.js .toc.shown { opacity: 1; transform: none; }
.toc-title { font: 400 .74rem/1.3 var(--font-en); letter-spacing: .18em; text-transform: uppercase; color: var(--en); margin: 0 0 14px; display: flex; gap: 8px; align-items: baseline; }
.toc-title b { font: 500 .8rem/1 var(--font-body); letter-spacing: .12em; color: var(--ink); }
.toc-track { position: relative; padding-left: 18px; }
.toc-track::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 1px; background: var(--rule); }
.toc-fill { position: absolute; left: 0; top: 4px; width: 1px; background: var(--gold); height: 0; transition: height .15s linear; }
.toc-ch { margin-bottom: 4px; }
.toc-ch > a { display: grid; grid-template-columns: 1.9rem minmax(0, 1fr); gap: 2px 8px; padding: 8px 0; text-decoration: none; color: var(--ink-muted); transition: color .2s; }
.toc-ch > a .n { font: 400 1.05rem/1.25 var(--font-display); color: var(--gold-deep); font-feature-settings: "lnum" 1; }
.toc-ch > a .t { font: 500 .93rem/1.3 var(--font-body); }
.toc-ch > a .t .en { font-size: .72rem; margin-top: 2px; font-weight: 400; }
.toc-ch > a:hover, .toc-ch.active > a { color: var(--ink); }
.toc-ch.active > a .t { color: var(--ink); }
.toc-subs { padding: 0 0 8px 1.9rem; margin-left: 8px; display: grid; gap: 1px; }
.js .toc-subs { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s ease; padding-bottom: 0; }
.js .toc-subs > div { overflow: hidden; }
.js .toc-ch.open .toc-subs { grid-template-rows: 1fr; padding-bottom: 8px; }
.toc-subs a { display: block; position: relative; padding: 5px 0 5px 12px; font-size: .84rem; line-height: 1.32; color: var(--ink-muted); text-decoration: none; border-left: 1px solid transparent; }
.toc-subs a .en { font-size: .7rem; margin-top: 1px; }
.toc-subs a:hover { color: var(--ink); }
.toc-subs a.active { color: var(--ink); border-left-color: var(--gold); }
.toc-subs a.active::before { content: ""; position: absolute; left: -4px; top: 50%; width: 7px; height: 7px; margin-top: -3.5px; border-radius: 50%; background: var(--gold); }
.toc-foot { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--rule); font-size: .84rem; }
.toc-foot a { text-decoration: none; display: block; padding: 4px 0; }
.toc-close { display: none; }
.scrim { display: none; }

@media (max-width: 1180px) {
  .layout { grid-template-columns: 1fr; }
  .toc-btn { display: inline-flex; }
  .head-link { display: none; }
  .now.on { display: block; }
  .toc { position: fixed; z-index: 80; top: 0; left: 0; bottom: 0; width: min(360px, 88vw); max-height: none; padding: 20px 22px 32px;
    background: var(--paper); box-shadow: 18px 0 40px rgba(32, 31, 29, .18); transform: translateX(-105%); opacity: 1 !important;
    transition: transform .35s ease, visibility .35s; visibility: hidden; }
  .js .toc, .js .toc.shown { transform: translateX(-105%); }
  .toc-open .toc, .js.toc-open .toc { transform: none !important; visibility: visible; }
  .toc-close { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
  .toc-close button { appearance: none; border: 1px solid var(--rule); background: transparent; width: 42px; height: 42px; border-radius: 50%; font: 300 1.6rem/1 var(--font-display); cursor: pointer; color: var(--ink); }
  .scrim { display: block; position: fixed; inset: 0; background: rgba(20, 19, 18, .45); z-index: 70; opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; }
  .toc-open .scrim { opacity: 1; visibility: visible; }
}
@media (max-width: 560px) {
  .brand-name i { display: none; }
  .brand-name b { font-size: .95rem; max-width: 7.6em; line-height: 1.08; }
  .brand-mark { font-size: 1rem; padding: 6px 8px 5px; }
  .head-actions .btn { display: none; }
  .toc-btn { padding: 6px 10px; }
}

/* ── Chapters & sections ── */
.chapter { margin-top: var(--gap-sec); }
.chapter:first-child { margin-top: clamp(40px, 6vw, 72px); }
.ch-head { background: var(--night); color: var(--on-night); padding: clamp(36px, 5vw, 64px) clamp(22px, 4vw, 56px); display: grid;
  grid-template-columns: minmax(0, 1fr) auto; gap: 16px 32px; align-items: end; margin-bottom: clamp(48px, 6vw, 88px); }
.ch-head h2 { font-size: var(--step-4); color: var(--on-night); }
.ch-head h2 .en { color: var(--en-night); }
.ch-head p { grid-column: 1 / -1; margin: 0; color: var(--on-night-muted); max-width: 62ch; border-top: 1px solid var(--rule-night); padding-top: 18px; }
.ch-head p .en { color: var(--en-night); font-size: .82em; margin-top: .5em; }
.ghost { font: 400 clamp(4.5rem, 2.5rem + 8vw, 10rem)/.8 var(--font-display); color: var(--gold); font-feature-settings: "lnum" 1; letter-spacing: -.02em; }
@media (max-width: 640px) { .ch-head { grid-template-columns: 1fr; } .ghost { order: -1; font-size: 4.5rem; } }

.sec { margin-top: clamp(56px, 8vw, 112px); }
.ch-head + .sec { margin-top: 0; }
.sec-head { margin-bottom: clamp(26px, 4vw, 48px); max-width: 52rem; }
.sec-head h3 { font-size: var(--step-3); }
.sec-head > p { margin-top: 1rem; font-size: var(--step-1); color: var(--ink-muted); line-height: 1.55; }
.sec-head > p.en { font-size: calc(var(--step-1) * .78); margin-top: .2rem; color: var(--en); }
.note { font-size: var(--step--1); color: var(--ink-muted); margin-top: 14px; }
.note .en { display: block; font-size: .92em; margin-top: 2px; }

/* panels — the illustration ground */
.panel { background: var(--surface); padding: clamp(20px, 3vw, 36px); }
.panel.line { background: transparent; border: 1px solid var(--rule); }
.panel.acc { background: transparent; border: 1px solid var(--gold); box-shadow: inset 0 0 0 9999px rgba(182, 130, 53, .05); }
.panel-t { font: 600 .98rem/1.3 var(--font-body); margin-bottom: 4px; }
.panel-t .en { font-weight: 400; }
.cols-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(16px, 2.4vw, 32px); }
.cols-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2.4vw, 32px); }
.cols-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(16px, 2.4vw, 32px); }
@media (max-width: 980px) { .cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .cols-2, .cols-3 { grid-template-columns: 1fr; } }
@media (max-width: 420px) { .cols-4 { grid-template-columns: 1fr; } }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4.5vw, 64px); align-items: center; }
.split.flip > :first-child { order: 2; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } .split.flip > :first-child { order: 0; } }

/* ruled cards */
.ruled { display: grid; border-top: 1px solid var(--rule); }
.ruled > * { padding: 24px clamp(14px, 2vw, 26px) 26px; border-right: 1px solid var(--rule); }
.ruled > *:first-child { padding-left: 0; }
.ruled > *:last-child { border-right: 0; padding-right: 0; }
.ruled.c4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.ruled.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ruled.c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.night .ruled, .night .ruled > * { border-color: var(--rule-night); }
@media (max-width: 980px) {
  .ruled.c4 { grid-template-columns: 1fr 1fr; }
  .ruled.c4 > * { border-bottom: 1px solid var(--rule); }
  .ruled.c4 > *:nth-child(2n) { border-right: 0; padding-right: 0; }
  .ruled.c4 > *:nth-child(2n+1) { padding-left: 0; }
  .ruled.c4 > *:nth-last-child(-n+2) { border-bottom: 0; }
  .night .ruled.c4 > * { border-color: var(--rule-night); }
}
@media (max-width: 640px) {
  .ruled.c4, .ruled.c3, .ruled.c2 { grid-template-columns: 1fr; }
  .ruled > *, .ruled.c4 > * { padding: 20px 0 22px !important; border-right: 0; border-bottom: 1px solid var(--rule); }
  .ruled > *:last-child, .ruled.c4 > *:last-child { border-bottom: 0; }
  .night .ruled > * { border-color: var(--rule-night); }
}
.ruled h4, .card h4 { font-size: var(--step-1); font-weight: 600; margin-bottom: .45em; }
.ruled p { margin-bottom: .6em; font-size: .95rem; }
.ruled p:last-child { margin-bottom: 0; }
.idx { display: block; font: 400 1.05rem/1 var(--font-display); color: var(--gold-deep); letter-spacing: .08em; font-feature-settings: "lnum" 1; margin-bottom: 12px; }
.night .idx { color: var(--gold-light); }
.icon { width: 44px; height: 44px; stroke: var(--gold); fill: none; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 18px; }
.icon.sm { width: 30px; height: 30px; margin: 0; flex-shrink: 0; }
/* tables */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
table { width: 100%; border-collapse: collapse; font-size: .93rem; font-feature-settings: "lnum" 1; }
th, td { text-align: left; vertical-align: top; padding: 13px 14px; border-bottom: 1px solid var(--rule); }
th:first-child, td:first-child { padding-left: 0; }
tr:last-child > * { border-bottom: 0; }
thead th { font-weight: 600; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; border-bottom: 1px solid var(--ink); }
thead th .en { text-transform: none; letter-spacing: .01em; font-weight: 400; }
tbody th { font-weight: 600; }
td .en, th .en { font-size: .76rem; }
.hl { background: rgba(182, 130, 53, .09); }
thead th.hl { color: var(--gold-deep); }
.wide { min-width: 760px; }
.swipe { display: none; font: .76rem/1.3 var(--font-en); color: var(--en); margin: 0 0 8px; }
@media (max-width: 760px) {
  .swipe { display: block; }
  .wide tbody th { position: sticky; left: 0; background: var(--paper); z-index: 1; box-shadow: 1px 0 0 var(--rule); min-width: 130px; max-width: 150px; }
  .wide thead th:first-child { position: sticky; left: 0; background: var(--paper); z-index: 2; }
  th, td { padding: 11px 11px; }
}
@media (max-width: 640px) {
  .compare thead { display: none; }
  .compare, .compare tbody, .compare tr, .compare th, .compare td { display: block; width: 100%; }
  .compare tr { padding: 14px 0; border-bottom: 1px solid var(--rule); }
  .compare tr:last-child { border-bottom: 0; }
  .compare tbody th { padding: 0 0 8px; border: 0; }
  .compare td { display: grid; grid-template-columns: 6.4em minmax(0, 1fr); gap: 10px; padding: 6px 0; border: 0; }
  .compare td::before { content: attr(data-l); font: .7rem/1.3 var(--font-en); letter-spacing: .06em; text-transform: uppercase; color: var(--en); padding-top: .25em; }
  .compare td.hl { padding: 8px 10px; margin-top: 4px; }
}
details.fold { border-top: 1px solid var(--rule); }
details.fold:last-of-type { border-bottom: 1px solid var(--rule); }
details.fold summary { list-style: none; cursor: pointer; padding: 18px 44px 18px 0; position: relative; font: 500 var(--step-1)/1.3 var(--font-display); }
details.fold summary::-webkit-details-marker { display: none; }
details.fold summary::after { content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%); font: 300 1.8rem/1 var(--font-display); color: var(--gold); }
details.fold[open] summary::after { content: "–"; }
details.fold summary .en { font-size: .78rem; margin-top: 4px; }
details.fold .fold-body { padding: 0 0 26px; }

/* plates & galleries */
.plate { background: var(--surface); border: 6px solid var(--surface); outline: 1px solid var(--rule); overflow: hidden; }
.plate img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.zoom { display: block; width: 100%; height: 100%; padding: 0; border: 0; background: none; cursor: zoom-in; }
.zoom:hover img { transform: scale(1.03); }
.r45 .plate { aspect-ratio: 4 / 5; } .r43 .plate { aspect-ratio: 4 / 3; } .r34 .plate { aspect-ratio: 3 / 4; } .r23 .plate { aspect-ratio: 2 / 3; } .r11 .plate { aspect-ratio: 1; }
figcaption { font-size: .88rem; margin-top: 10px; line-height: 1.45; }
figcaption .en { font-size: .74rem; }
.gallery { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(10px, 1.6vw, 18px); }
.gallery.g5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.gallery.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 980px) { .gallery, .gallery.g5 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .gallery.g3 { grid-template-columns: 1fr; } }
.points { border-top: 1px solid var(--rule); margin-top: 1.4em; }
.points li { padding: 13px 0 13px 26px; border-bottom: 1px solid var(--rule); position: relative; }
.points li::before { content: ""; position: absolute; left: 2px; top: 1.4em; width: 12px; height: 1px; background: var(--gold); }
.points li .en { font-size: .78rem; }
.night .points, .night .points li { border-color: var(--rule-night); }
/* contact */
.clist li { display: grid; grid-template-columns: 7em minmax(0, 1fr); gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--rule); }
.clist li > span:first-child { font: .74rem/1.3 var(--font-en); letter-spacing: .08em; text-transform: uppercase; color: var(--en); padding-top: .3em; }
.clist li > span:first-child b { display: block; font: 600 .8rem/1.3 var(--font-body); letter-spacing: .02em; text-transform: none; color: var(--ink); }
.night .clist li { border-color: var(--rule-night); }
.night .clist li > span:first-child { color: var(--en-night); }
.night .clist li > span:first-child b { color: var(--on-night); }
.addr { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 16px; }
.addr .icon { margin: 0; }
.addr h4 { font-size: var(--step-1); font-weight: 600; margin-bottom: .4em; }

.hero-fig { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(20px, 4vw, 60px); align-items: center; }
.hero-fig .big { font-size: clamp(4rem, 2.5rem + 6vw, 8rem); }
@media (max-width: 720px) { .hero-fig { grid-template-columns: 1fr; } }

.bleed { position: relative; min-height: clamp(340px, 46vw, 560px); display: flex; align-items: flex-end; overflow: hidden; background: var(--night); color: var(--on-night); }
.bleed > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.bleed::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20, 19, 18, 0) 30%, rgba(20, 19, 18, .85) 100%); }
.bleed .cap { position: relative; z-index: 1; padding: clamp(22px, 4vw, 44px); }
.bleed h4 { font-size: var(--step-2); color: var(--on-night); margin-bottom: .35em; }
.bleed h4 .en { color: #d2ccc6; }
.bleed p { margin: 0; color: #e2ded9; max-width: 60ch; }
.bleed p.en { color: #c4beb8; border-left-color: rgba(225, 173, 102, .5); margin-top: .5em; }

/* footer */
.site-footer { background: var(--night); color: var(--on-night-muted); font-size: .92rem; }
.site-footer .wrap { max-width: calc(var(--maxw) + 2 * var(--gutter)); margin: 0 auto; padding: clamp(48px, 6vw, 80px) var(--gutter) 26px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 32px; }
.site-footer .brand { color: var(--on-night); margin-bottom: 16px; }
.site-footer .brand-mark { color: var(--gold-light); }
.site-footer .brand-name i { color: var(--en-night); }
.site-footer h5 { margin: 0 0 12px; font: 600 .76rem/1.3 var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: var(--on-night); }
.site-footer h5 .en { display: inline; margin-left: 6px; font-weight: 400; letter-spacing: .08em; font-size: .7rem; color: var(--en-night); }
.site-footer a { color: var(--on-night-muted); text-decoration: none; }
.site-footer a:hover { color: var(--gold-light); }
.site-footer p { margin: 0 0 10px; }
.site-footer .en { color: var(--en-night); }
.foot-bottom { margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--rule-night); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; font-size: .8rem; }
@media (max-width: 860px) { .foot-grid { grid-template-columns: 1fr; } }

.fab { position: fixed; right: 14px; bottom: 14px; z-index: 50; display: none; flex-direction: column; gap: 8px; }
.fab a { width: 50px; height: 50px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: var(--paper); box-shadow: 0 6px 18px rgba(0, 0, 0, .25); text-decoration: none; font: 600 .7rem/1 var(--font-en); }
.fab a.zalo { background: var(--gold); color: var(--night); }
.fab svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.to-top { position: fixed; right: 14px; bottom: 14px; z-index: 50; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--rule); background: var(--paper);
  color: var(--ink); display: grid; place-items: center; text-decoration: none; opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; box-shadow: 0 4px 14px rgba(32, 31, 29, .12); }
.to-top.on { opacity: 1; visibility: visible; }
.to-top svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; }
@media (max-width: 760px) { .fab { display: flex; } .to-top { bottom: 132px; right: 16px; width: 42px; height: 42px; } }

/* lightbox */
dialog.lightbox { border: 0; padding: 0; background: transparent; max-width: 100vw; max-height: 100vh; width: 100vw; height: 100vh; margin: 0; }
dialog.lightbox::backdrop { background: rgba(20, 19, 18, .93); }
.lb-inner { position: relative; width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 56px 16px 24px; }
.lightbox img { max-width: min(1200px, 100%); max-height: calc(100vh - 150px); width: auto; height: auto; object-fit: contain; border: 6px solid #2f2c2b; }
.lightbox p { color: #e2ded9; font-size: .92rem; margin: 14px 0 0; text-align: center; max-width: 60ch; }
.lightbox p span { display: block; font: .78rem/1.4 var(--font-en); color: #a9a29b; margin-top: 2px; }
.lightbox button { position: absolute; appearance: none; border: 1px solid rgba(243, 242, 242, .3); background: rgba(20, 19, 18, .55); color: #f3f2f2; width: 46px; height: 46px; border-radius: 50%; font: 300 1.6rem/1 var(--font-display); cursor: pointer; }
.lb-close { top: 12px; right: 12px; } .lb-prev { left: 12px; top: 50%; transform: translateY(-50%); } .lb-next { right: 12px; top: 50%; transform: translateY(-50%); }

@media (prefers-reduced-motion: no-preference) {
  .js .rise { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
  .js .rise.in { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print { .site-header, .toc, .fab, .to-top, .scrim { display: none !important; } .layout { display: block; } }
@media (max-width: 1180px) { .toc > .toc-title { display: none; } }

/* ══ Desktop type-scale review (2026-10-16) ══
   Component text was 11–15px inside a 1000px+ column. Scale the root on
   laptops, raise the floor of every small style, use lining figures. */
/* lining figures everywhere (font: shorthands reset them; Cormorant defaults to oldstyle "W16ooF") */
*, *::before, *::after { font-variant-numeric: lining-nums !important; }
@media (min-width: 1280px) { html { font-size: 106.25%; } }   /* 17px */
@media (min-width: 1600px) { html { font-size: 112.5%; } }    /* 18px */
@media (min-width: 1280px) { :root { --toc-w: 280px; } }

span.en, small.en { font-size: .86em; }
p.en, div.en { font-size: .9em; }
.sec-head { max-width: 60rem; }
.note { font-size: .95rem; }

/* contents list in the hero: a 3-up grid on wide screens */
.contents-head { font-size: var(--step-3); padding: 40px 0 18px; }
.contents-head .en { font-size: 1.05rem; }
.contents .c-n { font-size: clamp(1.6rem, 1.2rem + 1vw, 2.4rem); }
.contents .c-t { font-size: clamp(1.35rem, 1.1rem + .9vw, 2rem); line-height: 1.2; }
.contents .c-t .en { font-size: clamp(.9rem, .85rem + .2vw, 1.05rem); margin-top: 8px; }
@media (min-width: 900px) {
  .contents ol { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--rule-night); }
  .contents li a { display: flex; flex-direction: column; gap: 14px; height: 100%; padding: 30px 28px 34px; border-right: 1px solid var(--rule-night); }
  .contents li:nth-child(3n) a { border-right: 0; }
  .contents li:nth-child(3n+1) a { padding-left: 0; }
  .contents li a:hover { padding-left: 28px; background: rgba(243, 242, 242, .04); }
  .contents li:nth-child(3n+1) a:hover { padding-left: 10px; }
  .contents .c-arrow { margin-top: auto; font-size: 1.6rem; }
}

/* table of contents (left rail) */
.toc-title, .toc-title b { font-size: .82rem; }
.toc-ch > a { grid-template-columns: 2.2rem minmax(0, 1fr); padding: 9px 0; }
.toc-ch > a .n { font-size: 1.2rem; }
.toc-ch > a .t { font-size: 1.02rem; }
.toc-ch > a .t .en { font-size: .8rem; }
.toc-subs { padding-left: 2.2rem; }
.toc-subs a { font-size: .92rem; padding: 6px 0 6px 12px; }
.toc-subs a .en { font-size: .78rem; }
.toc-foot { font-size: .9rem; }

/* hero */
.stats p { font-size: 1.02rem; }
.stats .en { font-size: .86rem; }
.kicker { font-size: .84rem; }
.plate-night figcaption { font-size: .95rem; }

/* illustrations & panels */
.panel-t { font-size: 1.1rem; }
.flow-art { height: 170px; }
.flow-st h4 { font-size: 1.25rem; }
.flow-st p { font-size: .98rem; }
.resins3 b { font-size: 1.3rem; }
.resins3 span { font-size: .86rem; }
.resins3 .en { font-size: .8rem; }
.can b { font-size: 1rem; }
.can .en { font-size: .84rem; }
.can svg { max-width: 110px; }
.outcome b { font-size: 1.05rem; }
.outcome span:not(.en) { font-size: .98rem; }
.crew svg { width: 52px; height: 52px; }
.crew-row b { font-size: 1.05rem; }
.crew-row .muted { font-size: .98rem !important; }
.seg { height: 52px; }
.seg-row > b { font-size: 1.05rem; }
.seg-legend { font-size: .92rem; }
.seg-legend .en { font-size: .8rem; }
.scene svg.ill { max-width: 300px; }
.feat b { font-size: 1.05rem; }
.feat span:not(.en) { font-size: .96rem; }
.feat .en { font-size: .84rem; }
.icon.sm { width: 34px; height: 34px; }
.feat li { grid-template-columns: 34px minmax(0, 1fr); }
.chem { grid-template-columns: minmax(0, 140px) minmax(48px, 76px) minmax(0, 140px); }
.chem-cap { font-size: .95rem; }
.chem-cap .en { font-size: .82rem; }
.fade-axis { font-size: .82rem; }
.tl-row { grid-template-columns: minmax(0, 12rem) minmax(0, 1fr); }
.tl-axis { grid-template-columns: minmax(0, 12rem) minmax(0, 1fr); }
.tl-row .lbl { font-size: 1rem; }
.tl-row .lbl .en { font-size: .82rem; }
.tl-bar { height: 36px; }
.tl-bar em { font-size: .95rem; }
.tl-ticks { font-size: .82rem; }
.vs-n span:not(.big) { font-size: 1.05rem; }

/* cards, lists, tables */
.ruled p { font-size: 1rem; }
.ruled h4, .card h4 { font-size: var(--step-2); }
.layers h4 { font-size: 1.4rem; }
.layers p { font-size: 1rem; }
.points li { font-size: 1.02rem; }
.points li .en { font-size: .86rem; }
table { font-size: 1rem; }
thead th { font-size: .82rem; }
td .en, th .en { font-size: .85rem; }
details.fold summary .en { font-size: .88rem; }
.swipe { font-size: .85rem; }
figcaption { font-size: .98rem; }
figcaption .en { font-size: .84rem; }
.sw figcaption b { font-size: 1.05rem; }
.sw figcaption .d { font-size: .9rem; }
.sw-group h4 .en { font-size: .88rem; }
.tint b { font-size: .84rem; }
.tint span:not(.en) { font-size: 1rem; }
.tint .en { font-size: .82rem; }
.tint svg { width: 50px; height: 64px; }
.tint { grid-template-columns: 50px minmax(0, 1fr); }
.clist li > span:first-child { font-size: .8rem; }
.clist li > span:first-child b { font-size: .88rem; }
.addr h4 { font-size: var(--step-2); }
.site-footer { font-size: 1rem; }
.btn { font-size: .86rem; }
.btn .en { font-size: .78rem; }
.head-link { font-size: .98rem; }
.brand-name b { font-size: 1.12rem; }
.brand-name i { font-size: .78rem; }
.now-inner { font-size: .92rem; }
@media (max-width: 560px) { .brand-name b { font-size: .95rem; } }
/* heading English sizes (re-asserted after the span.en floor above) */
h1 .en { font-size: .3em; }
h2 .en { font-size: max(.36em, 1.05rem); }
h3 .en { font-size: max(.46em, 1rem); }
h4 .en { font-size: max(.7em, .86rem); }
.toc-ch > a .t .en, .toc-subs a .en, .contents .c-t .en { font-size: inherit; }
.toc-ch > a .t .en { font-size: .8rem; } .toc-subs a .en { font-size: .78rem; }
.contents .c-t .en { font-size: clamp(.9rem, .85rem + .2vw, 1.05rem); }
.flow { grid-template-columns: minmax(0, 1fr) 36px minmax(0, 1fr) 36px minmax(0, 1.7fr) 36px minmax(0, 1fr); }
@media (max-width: 980px) { .flow { grid-template-columns: 1fr; } }
.ruled h4, .card h4 { font-size: clamp(1.3rem, 1.1rem + .55vw, 1.6rem); }
h4 .en { font-size: max(.62em, .86rem); }
/* resin list: one row per resin instead of three cramped columns */
.resins3 { grid-template-columns: 1fr; gap: 10px; text-align: left; margin-top: 8px; }
.resins3 > div { border-left: 2px solid var(--rule); padding-left: 10px; }
.resins3 > div:last-child { border-left-color: var(--gold); }
.resins3 b { display: inline; margin-right: 6px; }
.resins3 span:not(.en) { display: inline; font-size: .9rem; }
.resins3 .en { font-size: .8rem; }
@media (min-width: 981px) { .flow-st:nth-child(5) h4 { text-align: left; } }
/* workshop / home scenes: drawing above, benefits below */
.scene { grid-template-columns: 1fr; gap: 20px; }
.scene svg.ill { max-width: 280px; margin: 4px 0 6px; }
.feat { grid-template-columns: 1fr; gap: 16px; }
.ch-head a:not(.btn) { color: var(--gold-light); }
.ch-head .clist a { word-break: break-word; }
@media (max-width: 520px) { .tl-bar em { font-size: .8rem; } .tl-bar em::after { content: none; } }
@media (max-width: 400px) { .tl-bar em { font-size: .72rem; } }

/* ══ 2026-10-16 b: header addresses, clickable chapter cards ══ */
.head-addr { display: flex; align-items: center; gap: clamp(16px, 2.4vw, 36px); }
.ha { display: grid; grid-template-columns: 26px minmax(0, auto); gap: 10px; align-items: center; text-decoration: none; color: var(--ink); }
.ha svg { width: 26px; height: 26px; fill: none; stroke: var(--gold); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.ha span { font-size: .86rem; line-height: 1.3; color: var(--ink-muted); }
.ha b { display: block; font: 600 .74rem/1.3 var(--font-body); letter-spacing: .1em; text-transform: uppercase; color: var(--ink); }
.ha b .en { display: inline; margin-left: 6px; font-weight: 400; text-transform: none; letter-spacing: .02em; font-size: .72rem; }
.ha:hover span { color: var(--gold-deep); }
@media (max-width: 1180px) { .head-addr { display: none; } }

/* chapter cards in the hero: read as buttons */
.contents li a { position: relative; cursor: pointer; transition: background .3s ease; }
.contents li a::before { content: ""; position: absolute; left: 0; top: -1px; height: 2px; width: 0; background: var(--gold-light); transition: width .4s ease; }
.contents li a:hover, .contents li a:focus-visible { background: rgba(243, 242, 242, .06); padding-left: 0; }
.contents li a:hover::before, .contents li a:focus-visible::before { width: 100%; }
.contents li a:hover .c-t, .contents li a:focus-visible .c-t { color: var(--gold-light); }
.contents .c-t { transition: color .3s ease; }
.contents .c-go { display: inline-flex; align-items: center; gap: 10px; margin-top: auto; padding-top: 6px;
  font: 600 .76rem/1 var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: var(--gold-light); }
.contents .c-go .en { display: inline; margin: 0; font-size: .74rem; font-weight: 400; letter-spacing: .04em; text-transform: none; color: var(--en-night); }
.contents .c-go .c-arrow { display: inline-grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(225, 173, 102, .55); border-radius: 50%;
  font: 400 1.05rem/1 var(--font-body); margin: 0; transition: transform .3s ease, background .3s ease, color .3s ease; }
.contents li a:hover .c-arrow, .contents li a:focus-visible .c-arrow { transform: translateX(6px); background: var(--gold-light); color: var(--night); }
@media (min-width: 900px) {
  .contents li a, .contents li a:hover { padding: 30px 28px 32px; }
  .contents li:nth-child(3n+1) a, .contents li:nth-child(3n+1) a:hover { padding-left: 20px; }
}
@media (max-width: 899px) {
  .contents li a { grid-template-columns: 3rem minmax(0, 1fr); padding: 18px 8px 18px 0; }
  .contents .c-go { grid-column: 2; }
  .contents li a:hover { padding-left: 0; }
}
.contents { border-top: 0; }
.to-top { }
@media (max-width: 760px) { .to-top { bottom: 132px; } }
/* ══ 2026-10-16 c: MSDS blocks always open; tables ~30% tighter ══ */
.fold { border-top: 1px solid var(--rule); padding-top: 18px; margin-top: 8px; }
.fold + .fold { margin-top: 26px; }
.fold-t { font: 500 var(--step-1)/1.3 var(--font-display); margin: 0 0 12px; }
.fold-t .en { font-size: .88rem; margin-top: 4px; }
.fold .fold-body { padding: 0 0 6px; }
th, td { padding: 9px 10px; }
th:first-child, td:first-child { padding-left: 0; }
td .en, th .en { margin-top: 1px; }
@media (max-width: 760px) { th, td { padding: 8px 8px; } th:first-child, td:first-child { padding-left: 0; } }
@media (max-width: 640px) {
  .compare tr { padding: 10px 0; }
  .compare td { padding: 4px 0; }
  .compare td.hl { padding: 6px 8px; }
  .compare tbody th { padding-bottom: 6px; }
}

/* ══ 2026-10-17: side rail on tablet / phone (replaces the header "Mục lục" button) ══
   Chapter numbers + dots for the current chapter's sections, fixed to the right edge.
   It slides to a slim tab when the reader stops scrolling; ≡ opens the full contents drawer (from the right). */
.rail, .r-label { display: none; }
@media (max-width: 1180px) {
  .to-top { display: none !important; }
  .rail { display: flex; flex-direction: column; align-items: center; position: fixed; z-index: 60; right: 6px; top: calc(50% - 10px);
    width: 36px; padding: 4px 0; border: 1px solid var(--rule); border-radius: 18px; background: rgba(243, 242, 242, .94);
    -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); box-shadow: 0 6px 22px rgba(32, 31, 29, .16);
    transform: translate(calc(100% + 12px), -50%); opacity: 0; visibility: hidden;
    transition: transform .35s ease, opacity .35s ease, visibility .35s; }
  .rail.on { transform: translate(0, -50%); opacity: 1; visibility: visible; }
  /* resting: tucked against the edge, a gold handle stays visible */
  .rail.on.idle { transform: translate(calc(100% - 11px), -50%); }
  .rail::before { content: ""; position: absolute; left: 3px; top: 50%; width: 3px; height: 34px; margin-top: -17px; border-radius: 2px;
    background: var(--gold); opacity: 0; transition: opacity .3s; }
  .rail.idle::before { opacity: 1; }
  .rail::after { content: ""; position: absolute; top: -8px; bottom: -8px; left: -22px; width: 22px; }   /* wider touch area while tucked */
  .rail.idle > * { opacity: 0; }
  .rail > * { transition: opacity .3s; }
  .rail a, .rail button { -webkit-tap-highlight-color: transparent; }

  .r-top, .r-menu { display: grid; place-items: center; width: 36px; height: 36px; color: var(--ink); text-decoration: none;
    appearance: none; border: 0; background: transparent; padding: 0; cursor: pointer; }
  .r-top svg, .r-menu svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.6; }
  .r-top { border-bottom: 1px solid var(--rule); }
  .r-menu { border-top: 1px solid var(--rule); }
  .r-list { position: relative; display: flex; flex-direction: column; align-items: center; padding: 4px 0; }
  .r-list::before { content: ""; position: absolute; top: 14px; bottom: 14px; left: 50%; width: 1px; background: var(--rule); }

  .r-ch { position: relative; display: grid; place-items: center; width: 36px; height: 32px; text-decoration: none; }
  .r-ch span { display: grid; place-items: center; width: 25px; height: 25px; border-radius: 50%; border: 1px solid var(--rule); background: var(--paper);
    font: 600 .66rem/1 var(--font-en); letter-spacing: .02em; color: var(--ink-muted); transition: background .25s, color .25s, border-color .25s, transform .25s; }
  .r-ch.done span { color: var(--gold-deep); border-color: rgba(182, 130, 53, .55); }
  .r-ch.active span { background: var(--gold); border-color: var(--gold); color: var(--night); transform: scale(1.12); }

  .r-subs { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s ease; }
  .r-subs.open { grid-template-rows: 1fr; }
  .r-subs > div { min-height: 0; overflow: hidden; }
  .r-subs:not(.open) > div { visibility: hidden; transition: visibility 0s .3s; }
  .r-subs { overflow: hidden; }
  .r-sub { position: relative; display: grid; place-items: center; width: 36px; height: 21px; }
  .r-sub i { display: block; width: 6px; height: 6px; border-radius: 50%; background: var(--paper); border: 1px solid rgba(32, 31, 29, .38); transition: all .25s; }
  .r-sub.done i { background: rgba(182, 130, 53, .55); border-color: transparent; }
  .r-sub.active i { width: 10px; height: 10px; background: var(--gold); border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-wash); }

  /* name of the current chapter / section, shown beside the rail for a moment */
  .r-label { display: flex; align-items: baseline; gap: 8px; position: fixed; z-index: 61; right: 52px; max-width: min(62vw, 300px);
    padding: 8px 12px 8px 11px; background: var(--ink); color: var(--paper); border-radius: 3px; box-shadow: 0 6px 20px rgba(32, 31, 29, .22);
    font: 400 .84rem/1.25 var(--font-body); transform: translate(8px, -50%); opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity .25s, transform .25s, visibility .25s; }
  .r-label.on { opacity: 1; visibility: visible; transform: translate(0, -50%); }
  .r-label b { font: 400 1rem/1 var(--font-display); color: var(--gold-light); }
  .r-label .en { display: block; margin: 2px 0 0; padding: 0; border: 0; font: 400 .7rem/1.25 var(--font-en); color: var(--on-night-muted); }
  .r-label::after { content: ""; position: absolute; right: -5px; top: 50%; margin-top: -5px; border: 5px solid transparent; border-right: 0; border-left-color: var(--ink); }

  /* contents drawer now slides in from the right, next to the rail */
  .toc { left: auto; right: 0; transform: translateX(105%); box-shadow: -18px 0 40px rgba(32, 31, 29, .18); }
  .js .toc, .js .toc.shown { transform: translateX(105%); }
  .toc-open .rail { opacity: 0; visibility: hidden; }
}
@media (max-width: 1180px) and (max-height: 560px) { .r-subs { display: none; } }
@media (prefers-reduced-motion: reduce) { .rail, .r-label, .r-subs { transition: none; } }

/* ══════════════════════════════════════════════════════════════════
   Kat In Love theme (2026-10-17)
   The template is light-paper with dark "night" blocks; Kat is dark
   throughout, so re-colour the few hard-coded light values here.
   ══════════════════════════════════════════════════════════════════ */
.site-header { background: rgba(14, 20, 40, .9); }
::selection { background: rgba(232, 185, 74, .35); color: #fff; }
a:hover { color: var(--gold-light); }
.btn { background: var(--gold); border-color: var(--gold); color: var(--night); font-weight: 600; }
.btn .en { opacity: .8; }
.btn:hover { background: var(--ink); border-color: var(--ink); color: var(--night); }
.btn-ghost { background: transparent; color: var(--ink); border-color: rgba(244, 236, 216, .35); }
.btn-ghost:hover { background: var(--ink); color: var(--night); border-color: var(--ink); }
.to-top { background: var(--surface); border-color: var(--rule); }
.wide tbody th, .wide thead th:first-child { background: var(--paper); }
.night .points, .night .points li { border-color: var(--rule-night); }

/* brand: round logo + name */
.brand-logo { width: 46px; height: 46px; border-radius: 50%; flex-shrink: 0; box-shadow: 0 0 0 1px rgba(232, 185, 74, .35); }
.brand-name b { font: 500 1.2rem/1.05 var(--font-display); letter-spacing: .02em; }
.site-footer .brand-logo { width: 64px; height: 64px; }

/* starry sky behind the night blocks */
.night { background-color: var(--night); }
.stars { position: relative; isolation: isolate; }
.stars::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: .75;
  background-image:
    radial-gradient(1.4px 1.4px at 8% 18%, #f4ecd8 50%, transparent 51%),
    radial-gradient(1px 1px at 22% 62%, #f4ecd8 50%, transparent 51%),
    radial-gradient(1.6px 1.6px at 37% 30%, #f3cf6e 50%, transparent 51%),
    radial-gradient(1px 1px at 48% 80%, #f4ecd8 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 63% 12%, #f4ecd8 50%, transparent 51%),
    radial-gradient(1.8px 1.8px at 74% 55%, #f3cf6e 50%, transparent 51%),
    radial-gradient(1px 1px at 86% 26%, #f4ecd8 50%, transparent 51%),
    radial-gradient(1.3px 1.3px at 93% 74%, #6fcbd6 50%, transparent 51%),
    radial-gradient(1px 1px at 14% 88%, #6fcbd6 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 57% 46%, #f4ecd8 50%, transparent 51%);
  background-size: 420px 300px; }
.hero.stars::after { content: ""; position: absolute; z-index: -1; pointer-events: none; right: -8vw; top: -10vw; width: 44vw; height: 44vw; border-radius: 50%;
  background: radial-gradient(circle, rgba(243, 207, 110, .22) 0%, rgba(243, 207, 110, .08) 38%, transparent 68%); }
.hero { overflow: hidden; }
.hero .kicker { color: var(--teal); }
.hero-logo { width: clamp(84px, 9vw, 120px); height: auto; border-radius: 50%; margin-bottom: 22px; box-shadow: 0 0 0 1px rgba(232, 185, 74, .4), 0 0 60px rgba(243, 207, 110, .25); }
.plate-night img { aspect-ratio: 4 / 3; border-color: var(--night-2); }

/* section ground panels on navy */
.panel { background: var(--surface); }
.panel.acc { box-shadow: inset 0 0 0 9999px rgba(232, 185, 74, .06); }

/* commitments / amenities */
.ruled h4 { color: var(--ink); }
.icon { stroke: var(--gold); }
.ic-row { display: flex; gap: 14px; align-items: flex-start; }

/* ── room cards ── */
.rooms { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(16px, 2.4vw, 28px); }
.room { background: var(--surface); border: 1px solid var(--rule); display: flex; flex-direction: column; }
.room.best { border-color: var(--gold); }
.room .plate { border: 0; outline: 0; aspect-ratio: 16 / 9; }
.room-body { padding: clamp(18px, 2.4vw, 28px); display: flex; flex-direction: column; gap: 10px; flex: 1; }
.room-top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.room h4 { font-size: clamp(1.4rem, 1.15rem + .8vw, 1.9rem); font-weight: 500; }
.room .from { font: 400 1rem/1.2 var(--font-body); color: var(--ink-muted); white-space: nowrap; }
.room .from b { font: 500 1.7rem/1 var(--font-display); color: var(--gold-light); margin-left: 4px; }
.room .from .en { display: block; text-align: right; font-size: .8rem; }
.tag { display: inline-block; font: 600 .7rem/1 var(--font-en); letter-spacing: .12em; text-transform: uppercase; color: var(--night); background: var(--gold); padding: 5px 8px 4px; border-radius: 2px; }
.feats { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 6px; }
.feats li { display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--rule); border-radius: 99px; padding: 5px 12px 5px 9px; font-size: .9rem; line-height: 1.2; }
.feats li svg { width: 17px; height: 17px; stroke: var(--gold); fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.feats li .en { display: inline; margin: 0 0 0 4px; font-size: .78rem; }
.feats li.no { color: var(--ink-muted); border-style: dashed; }
@media (max-width: 860px) { .rooms { grid-template-columns: 1fr; } }

/* ── price table ── */
.price-table th, .price-table td { white-space: nowrap; }
.price-table td.p { font: 500 1.25rem/1 var(--font-display); color: var(--ink); }
.price-table td.x { color: var(--ink-muted); }
.price-table thead tr.grp th { border-bottom: 1px solid var(--rule); color: var(--gold-light); font-size: .8rem; text-align: left; }
.price-table thead tr.grp th + th { border-left: 1px solid var(--rule); }
.price-table td.gs, .price-table th.gs { border-left: 1px solid var(--rule); padding-left: 16px; }
.price-table tbody th { font: 500 1rem/1.3 var(--font-body); }
.unit { font: .82rem/1.4 var(--font-en); color: var(--en); margin: 0 0 10px; }
.offers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 2vw, 24px); }
.offer { border: 1px solid var(--gold); padding: 22px 22px 20px; background: rgba(232, 185, 74, .05); }
.offer .big { font-size: clamp(2.2rem, 1.7rem + 2vw, 3.2rem); color: var(--gold-light); }
.offer p { margin: .4em 0 0; }
@media (max-width: 900px) { .offers { grid-template-columns: 1fr; } }

/* ── menu ── */
.menu-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(18px, 3vw, 40px); }
.menu-cols h4 { font: 600 .82rem/1.3 var(--font-en); letter-spacing: .16em; text-transform: uppercase; color: var(--gold-light); border-bottom: 1px solid var(--gold); padding-bottom: 8px; margin-bottom: 6px; }
.menu-cols h4 .en { display: inline; margin-left: 6px; color: var(--en); letter-spacing: .04em; text-transform: none; }
.mi { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 14px; padding: 9px 0; border-bottom: 1px solid var(--rule); }
.mi b { font-weight: 500; }
.mi .pr { font: 500 1.1rem/1.2 var(--font-display); color: var(--gold-light); }
.mi .en { grid-column: 1 / -1; font-size: .8rem; margin: 0; }
.bs { font: 600 .62rem/1 var(--font-en); letter-spacing: .1em; color: var(--night); background: var(--teal); padding: 3px 5px 2px; border-radius: 2px; margin-left: 6px; vertical-align: .2em; }
@media (max-width: 900px) { .menu-cols { grid-template-columns: 1fr; } }

/* ── branches ── */
.branches { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(16px, 2.4vw, 28px); }
.branch { background: var(--surface); border: 1px solid var(--rule); padding: clamp(18px, 2.2vw, 26px); display: flex; flex-direction: column; gap: 12px; }
.branch h4 { font-size: clamp(1.3rem, 1.1rem + .6vw, 1.7rem); font-weight: 500; }
.branch .addr-line { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 10px; align-items: start; margin: 0; }
.branch .addr-line svg { width: 20px; height: 20px; stroke: var(--gold); fill: none; stroke-width: 1.6; margin-top: 3px; }
.branch .addr-line .en { font-size: .8rem; }
.branch .verify { font: .78rem/1.35 var(--font-en); color: var(--teal); }
.thumbs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.thumbs .plate { aspect-ratio: 1; border-width: 0; outline: 0; }
.thumbs .more { position: relative; }
.thumbs .more::after { content: attr(data-more); position: absolute; inset: 0; display: grid; place-items: center; background: rgba(8, 12, 26, .6);
  color: var(--ink); font: 500 1.2rem/1 var(--font-display); pointer-events: none; }
.thumbs .hide { display: none; }
.branch .btn-row { margin-top: auto; }
.btn-sm { font-size: .78rem; }
@media (max-width: 860px) { .branches { grid-template-columns: 1fr; } }

/* ── booking steps ── */
.steps { counter-reset: s; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 2vw, 26px); }
.steps li { border-top: 2px solid var(--gold); padding-top: 18px; }
.steps li::before { counter-increment: s; content: "0" counter(s); display: block; font: 400 2.2rem/1 var(--font-display); color: var(--gold-light); margin-bottom: 10px; }
.steps b { display: block; font-size: 1.1rem; margin-bottom: 4px; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }
.contact-btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }

/* values */
.values { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--rule); }
.values > div { padding: 22px 22px 24px 0; border-bottom: 1px solid var(--rule); }
.values b { display: block; font: 500 1.35rem/1.2 var(--font-display); color: var(--gold-light); margin-bottom: 4px; }
.values b .en { display: inline; margin-left: 8px; font-size: .8rem; color: var(--en); }
@media (max-width: 900px) { .values { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .values { grid-template-columns: 1fr; } }

/* video */
.video { position: relative; aspect-ratio: 16 / 9; background: var(--night); border: 1px solid var(--rule); }
.video iframe, .video button { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video button { cursor: pointer; padding: 0; background: var(--night); }
.video button img { width: 100%; height: 100%; object-fit: cover; opacity: .85; }
.video button span { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 74px; height: 74px; border-radius: 50%;
  background: var(--gold); color: var(--night); display: grid; place-items: center; font-size: 1.6rem; box-shadow: 0 0 0 10px rgba(232, 185, 74, .25); }

/* rail / drawer on navy */
@media (max-width: 1180px) {
  .rail { background: rgba(22, 30, 58, .94); border-color: var(--rule); box-shadow: 0 6px 22px rgba(0, 0, 0, .4); }
  .r-ch span { background: var(--surface); }
  .r-sub i { background: var(--surface); border-color: rgba(244, 236, 216, .4); }
  .r-label { background: var(--ink); color: var(--night); }
  .r-label b { color: #9a6a10; }
  .r-label .en { color: #5b564d; }
  .r-label::after { border-left-color: var(--ink); }
  .toc { background: var(--surface); box-shadow: -18px 0 40px rgba(0, 0, 0, .45); }
  .scrim { background: rgba(4, 6, 14, .6); }
}
.fab a { background: var(--ink); color: var(--night); }
.fab a.zalo { background: var(--gold); color: var(--night); font-size: .72rem; }
.fab a.msg { background: var(--teal); color: var(--night); }
.lightbox img { border-color: var(--surface); }

/* ══ 2026-10-18: chỉ tiếng Việt · 3 hạng phòng · widget chat 2 fanpage · chi nhánh gọn hơn ══ */
/* rooms: 3 cards side by side on wide screens */
@media (min-width: 1000px) { .rooms { grid-template-columns: repeat(3, minmax(0, 1fr)); } .room .plate { aspect-ratio: 4 / 3; } }

/* branches: tighter rhythm so more cards fit on screen */
#chi-nhanh .ch-head { margin-bottom: clamp(28px, 3.5vw, 44px); }
#chi-nhanh .sec { margin-top: clamp(26px, 3.2vw, 40px); }
#chi-nhanh .ch-head + .sec { margin-top: 0; }
#chi-nhanh .sec-head { margin-bottom: 14px; display: flex; align-items: baseline; gap: 14px; }
#chi-nhanh .sec-head .num-k { margin-bottom: 0; }
#chi-nhanh .sec-head h3 { font-size: clamp(1.5rem, 1.25rem + .9vw, 2.1rem); }
#chi-nhanh .branches { gap: clamp(12px, 1.6vw, 18px); }
#chi-nhanh .branch { padding: clamp(14px, 1.6vw, 20px); gap: 10px; }
#chi-nhanh .branch h4 { font-size: clamp(1.2rem, 1.05rem + .45vw, 1.45rem); }
@media (min-width: 1400px) { #chi-nhanh .branches { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* chat widget */
.fab { display: none !important; }
.chatw { position: fixed; right: 16px; bottom: 16px; z-index: 70; display: flex; flex-direction: column; align-items: flex-end; gap: 12px; }
.chatw-btn { position: relative; width: 58px; height: 58px; border-radius: 50%; border: 0; cursor: pointer; display: grid; place-items: center;
  background: linear-gradient(135deg, #0a7cff, #a334fa 60%, #ff5c87); color: #fff; box-shadow: 0 8px 24px rgba(0, 0, 0, .45); transition: transform .2s; }
.chatw-btn:hover { transform: scale(1.06); }
.chatw-btn svg { width: 30px; height: 30px; }
.chatw-btn svg path + path { fill: #fff; stroke: #fff; }
.chatw-btn svg path:first-child { fill: transparent; stroke: #fff; stroke-width: 1.8; }
.chatw-dot { position: absolute; top: 4px; right: 4px; width: 12px; height: 12px; border-radius: 50%; background: #31d158; border: 2px solid var(--paper); }
.chatw.open .chatw-dot { display: none; }
.chatw-panel { width: min(340px, calc(100vw - 32px)); background: #fff; color: #1c1e21; border-radius: 16px; overflow: hidden; box-shadow: 0 18px 50px rgba(0, 0, 0, .5);
  font-family: var(--font-en); }
.chatw-panel[hidden] { display: none; }
.chatw-head { display: flex; align-items: center; gap: 10px; padding: 14px 14px 14px 16px; background: linear-gradient(135deg, #0a7cff, #a334fa); color: #fff; }
.chatw-head img { border-radius: 50%; flex-shrink: 0; }
.chatw-head b { display: block; font-size: 1rem; }
.chatw-head span { font-size: .8rem; opacity: .9; }
.chatw-x { margin-left: auto; appearance: none; border: 0; background: rgba(255, 255, 255, .2); color: #fff; width: 32px; height: 32px; border-radius: 50%; font-size: 1.3rem; line-height: 1; cursor: pointer; }
.chatw-hi { margin: 14px 16px 6px; padding: 10px 12px; background: #f0f2f5; border-radius: 14px 14px 14px 4px; font-size: .92rem; line-height: 1.45; }
.chatw-opt { display: grid; grid-template-columns: 34px minmax(0, 1fr) auto; gap: 10px; align-items: center; margin: 8px 12px; padding: 10px 12px;
  border: 1px solid #e4e6eb; border-radius: 12px; text-decoration: none; color: #1c1e21; transition: background .2s, border-color .2s; }
.chatw-opt:hover { background: #f0f6ff; border-color: #0a7cff; color: #1c1e21; }
.chatw-opt svg { width: 32px; height: 32px; color: #0a7cff; }
.chatw-opt svg path + path { fill: #fff; stroke: #fff; }
.chatw-opt b { display: block; font-size: .95rem; }
.chatw-opt span { font-size: .76rem; color: #65676b; min-width: 0; overflow-wrap: anywhere; }
.chatw-opt i { font-style: normal; color: #0a7cff; font-size: 1.1rem; }
.chatw-more { display: flex; gap: 8px; padding: 6px 12px 14px; }
.chatw-more a { flex: 1; text-align: center; padding: 9px 8px; border-radius: 10px; background: #f0f2f5; color: #1c1e21; text-decoration: none; font-size: .86rem; font-weight: 600; }
.chatw-more a:hover { background: #e4e6eb; color: #1c1e21; }
.to-top { bottom: 90px; right: 22px; }
@media (max-width: 1180px) { .rail { top: calc(50% - 40px); } }

/* ══ 2026-10-18 (5): hero — "Điểm nổi bật" and "Khám phá" as two clearly separate blocks ══ */
.block-label { display: flex; align-items: center; gap: 14px; margin: 0 0 18px; font: 600 .8rem/1.2 var(--font-en); letter-spacing: .2em; text-transform: uppercase; color: var(--gold-light); }
.block-label::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, rgba(232, 185, 74, .45), transparent); }
.block-label .en { display: none; }

/* highlights: four bordered cards with an icon — the only place with big gold numerals */
.usp { margin-top: clamp(8px, 2vw, 20px); }
.usp .stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(10px, 1.4vw, 18px); border: 0; }
.usp .stats > div { position: relative; padding: 22px 22px 22px !important; border: 1px solid rgba(232, 185, 74, .35) !important; border-radius: 16px;
  background: linear-gradient(160deg, rgba(232, 185, 74, .10), rgba(232, 185, 74, .02) 60%); }
.usp-ic { position: absolute; top: 18px; right: 18px; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(232, 185, 74, .14); color: var(--gold-light); }
.usp-ic svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.usp .stat-n { margin-bottom: 8px; }
.usp .stats p { color: var(--ink-muted); font-size: .98rem; max-width: 16em; }
@media (max-width: 900px) {
  .usp .stats { grid-template-columns: 1fr 1fr; }
  .usp .stats > div { border-right: 1px solid rgba(232, 185, 74, .35) !important; padding: 18px !important; }
  .usp-ic { width: 34px; height: 34px; top: 14px; right: 14px; }
}

/* contents: navigation tiles — small numbered chip, title, arrow; clearly "click me" */
.hero .contents { margin-top: clamp(44px, 6vw, 72px); border: 0; }
.hero .contents ol { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(10px, 1.2vw, 16px); border: 0; }
.hero .contents li a, .hero .contents li a:hover, .hero .contents li:nth-child(3n+1) a, .hero .contents li:nth-child(3n+1) a:hover {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 16px; height: 100%;
  padding: 18px 18px 18px 18px; border: 1px solid var(--rule) !important; border-radius: 12px; background: var(--surface);
  transition: border-color .25s, background .25s, transform .25s; }
.hero .contents li a::before { display: none; }
.hero .contents li a:hover, .hero .contents li a:focus-visible { border-color: var(--gold) !important; background: #1b2445; transform: translateY(-2px); }
.hero .contents .c-n { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(232, 185, 74, .55);
  font: 500 .95rem/1 var(--font-en) !important; color: var(--gold-light); letter-spacing: .02em; }
.hero .contents .c-t { font-size: clamp(1.15rem, 1rem + .4vw, 1.4rem) !important; line-height: 1.25; }
.hero .contents .c-go { margin: 0; padding: 0; font-size: 0; gap: 0; }
.hero .contents .c-go .c-arrow { width: 34px; height: 34px; font-size: 1rem; }
@media (max-width: 899px) {
  .hero .contents ol { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .hero .contents ol { grid-template-columns: 1fr; gap: 8px; }
  .hero .contents li a, .hero .contents li a:hover { padding: 12px 14px; gap: 12px; }
  .hero .contents .c-n { width: 34px; height: 34px; }
}
.hero .contents .c-go { grid-column: auto; }
@media (max-width: 560px) { .hero .contents li:nth-child(n) a, .hero .contents li:nth-child(n) a:hover { padding: 12px 14px; gap: 12px; } }