/* Rings Brand 三元牌 · ringsbrand.com */

@font-face { font-family: "TRB Serif Cond"; src: url("../fonts/trb-serif-cond-700.woff2?v=2cb7a00d") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "TRB Serif HK"; src: url("../fonts/trb-serif-hk-700.woff2?v=e1a9b8a6") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "TRB Sans"; src: url("../fonts/trb-sans-400.woff2?v=ab1208a2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "TRB Sans"; src: url("../fonts/trb-sans-600.woff2?v=854bb75d") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "TRB Mono"; src: url("../fonts/trb-mono-500.woff2?v=d10828cc") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }

:root {
  --paper: #F7F4EE;
  --paper-2: #EEE8DE;
  --card: #FFFDF9;
  --line: #E2DBD0;
  --line-2: #CFC6B8;
  --ink: #1A1816;
  --ink-2: #48423C;
  --muted: #6B645C;
  --red: #D6252C;
  --red-ink: #B51D23;
  --red-on-night: #FF7A73;
  --night: #161412;
  --night-2: #221F1C;
  --night-line: #3A3531;
  --night-ink: #F2EDE6;
  --night-muted: #B9B0A5;
  --radius: 14px;
  --radius-sm: 10px;
  --max: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --font-sans: "TRB Sans", "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang HK", "PingFang TC", "Noto Sans TC", "Noto Sans CJK TC", "Microsoft JhengHei", sans-serif;
  --font-display: "TRB Serif Cond", "TRB Serif HK", "Noto Serif TC", "Noto Serif CJK TC", "Songti TC", "PMingLiU", Georgia, "Times New Roman", serif;
  --font-mono: "TRB Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 88px; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  font-kerning: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
html[lang^="zh"] body { line-height: 1.85; letter-spacing: .02em; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { color: var(--red-ink); }
:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; border-radius: 4px; }
p { margin: 0 0 1em; }
h3 { font-weight: 600; }
.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }

.skip { position: absolute; left: 12px; top: -80px; z-index: 100; background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 8px; text-decoration: none; }
.skip:focus { top: 12px; color: #fff; }

/* ---------- Type ---------- */
.display { font-family: var(--font-display); font-weight: 700; line-height: 1.02; letter-spacing: -.005em; margin: 0; text-wrap: balance; }
html[lang^="zh"] .display { line-height: 1.22; letter-spacing: .03em; }
.display em { font-style: normal; color: var(--red); }
.kicker { display: flex; align-items: center; gap: 10px; margin: 0 0 18px; font-family: var(--font-mono); font-weight: 500; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--red-ink); }
.kicker::before { content: ""; flex: none; width: 22px; height: 2px; background: currentColor; }
html[lang^="zh"] .kicker { font-family: var(--font-sans); font-weight: 600; font-size: .9rem; letter-spacing: .2em; }

/* ---------- Brand mark ---------- */
.mark { color: var(--red); }
.brand { display: inline-flex; align-items: center; gap: 12px; margin-right: auto; color: var(--ink); text-decoration: none; }
.brand:hover { color: var(--ink); }
.brand .mark { width: 40px; height: 38px; flex: none; }
.brand-word { display: inline-flex; align-items: baseline; gap: 10px; line-height: 1; white-space: nowrap; }
.brand-en { font-family: var(--font-display); font-weight: 700; font-size: 1.32rem; letter-spacing: .08em; }
.brand-zh { font-family: var(--font-display); font-weight: 700; font-size: 1.02rem; letter-spacing: .14em; color: var(--ink-2); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(247, 244, 238, .93); -webkit-backdrop-filter: saturate(1.2) blur(10px); backdrop-filter: saturate(1.2) blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 28px; min-height: 68px; }
.site-nav { display: flex; gap: 26px; }
.site-nav a { padding: 6px 0; border-bottom: 2px solid transparent; color: var(--ink-2); font-size: .93rem; text-decoration: none; }
.site-nav a:hover { color: var(--ink); border-bottom-color: var(--red); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.lang-switch { display: inline-flex; align-items: center; justify-content: center; min-width: 48px; min-height: 40px; padding: 0 12px; border: 1px solid var(--line-2); border-radius: 999px; font-size: .92rem; font-weight: 600; line-height: 1; text-decoration: none; }
.lang-switch:hover { border-color: var(--ink); color: var(--ink); }
.cta-short { display: none; }
@media (max-width: 1040px) { .site-nav { display: none; } }
@media (max-width: 560px) {
  .header-inner { gap: 10px; min-height: 60px; }
  .brand { gap: 9px; }
  .brand .mark { width: 32px; height: 30px; }
  .brand-en { font-size: 1.12rem; }
  .brand-zh { display: none; }
  .cta-long { display: none; }
  .cta-short { display: inline; }
}

/* ---------- Buttons ---------- */
.btn { --bg: var(--ink); --fg: #fff; display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 14px 24px; border: 0; border-radius: 999px; background: var(--bg); color: var(--fg); font: 600 1rem/1.1 var(--font-sans); text-decoration: none; cursor: pointer; transition: background-color .15s ease, transform .1s ease; }
.btn:hover { color: var(--fg); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .7; cursor: progress; }
.btn-red { --bg: var(--red); }
.btn-red:hover { --bg: var(--red-ink); }
.btn-white { --bg: #fff; --fg: var(--red-ink); }
.btn-white:hover { --bg: var(--paper); }
.btn-ghost { --bg: transparent; --fg: var(--ink); box-shadow: inset 0 0 0 1px var(--line-2); }
.btn-ghost:hover { --fg: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.btn-sm { min-height: 40px; padding: 10px 16px; font-size: .9rem; }
.btn-block { width: 100%; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding-block: clamp(36px, 6vw, 80px) clamp(56px, 8vw, 104px); }
.hero-rings { position: absolute; right: -9%; top: -14%; width: min(64vw, 820px); height: auto; color: var(--red); opacity: .07; pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); grid-template-areas: "text media" "form media"; column-gap: clamp(28px, 5vw, 76px); row-gap: 30px; align-items: start; }
.hero-text { grid-area: text; }
.hero-media { grid-area: media; margin: 0; position: sticky; top: 100px; }
.hero-form { grid-area: form; scroll-margin-top: 84px; }
.hero h1 { font-size: clamp(2.7rem, 1.3rem + 5.2vw, 5.8rem); }
html[lang^="zh"] .hero h1 { font-size: clamp(2.6rem, 1.3rem + 4.8vw, 5.2rem); }
.tagline { margin: 18px 0 0; color: var(--red-ink); font-size: clamp(1.3rem, 1rem + 1.1vw, 1.9rem); line-height: 1.2; }
html[lang^="zh"] .tagline { letter-spacing: .06em; }
.lede { max-width: 36ch; margin: 22px 0 0; color: var(--ink-2); font-size: clamp(1.1rem, 1rem + .45vw, 1.34rem); line-height: 1.5; }
html[lang^="zh"] .lede { max-width: 25em; line-height: 1.75; }
.plate { overflow: hidden; border-radius: calc(var(--radius) + 6px); background: #d9d6d2; box-shadow: 0 40px 70px -40px rgba(40, 28, 18, .45), 0 0 0 1px rgba(26, 24, 22, .06); }
.plate img { width: 100%; }
.hero-media figcaption { margin-top: 12px; color: var(--muted); font-family: var(--font-mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; text-align: center; }
html[lang^="zh"] .hero-media figcaption { font-family: var(--font-sans); letter-spacing: .12em; font-size: .85rem; }
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "text" "form" "media"; row-gap: 28px; }
  .hero-media { position: static; width: min(300px, 78vw); justify-self: center; }
  .hero-rings { width: 120vw; right: -50%; top: 18%; }
  .lede { max-width: 40ch; }
}

/* ---------- Sign-up form ---------- */
.signup { position: relative; max-width: 640px; padding: clamp(18px, 2.6vw, 30px); background: var(--card); border: 1px solid var(--line); border-radius: calc(var(--radius) + 4px); box-shadow: 0 30px 60px -44px rgba(40, 28, 18, .4); }
.field { min-width: 0; margin: 0 0 18px; padding: 0; border: 0; }
.field > label, .field > legend { display: block; margin: 0 0 8px; padding: 0; font-size: .95rem; font-weight: 600; }
.opt { font-weight: 400; color: var(--muted); }
.signup input[type="email"], .signup select { width: 100%; min-height: 52px; padding: 12px 14px; border: 1px solid var(--line-2); border-radius: var(--radius-sm); background-color: #fff; color: var(--ink); font: inherit; font-size: 1.0625rem; letter-spacing: normal; -webkit-appearance: none; appearance: none; }
.signup select { padding-right: 44px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' fill='none' stroke='%231A1816' stroke-width='2'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; background-size: 14px 9px; }
.signup input[type="email"]::placeholder { color: #9A9188; }
.signup input[type="email"]:focus, .signup select:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(214, 37, 44, .22); }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; display: inline-flex; }
.chip input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.chip span { display: inline-flex; align-items: center; min-height: 44px; padding: 9px 16px; border: 1px solid var(--line-2); border-radius: 999px; background: #fff; font-size: .95rem; line-height: 1.2; transition: background-color .12s ease, color .12s ease, border-color .12s ease; }
.chip:hover span { border-color: var(--ink); }
.chip input:checked + span { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip input:focus-visible + span { outline: 3px solid var(--red); outline-offset: 2px; }
.consent { margin: 4px 0 20px; padding-top: 16px; border-top: 1px dashed var(--line-2); }
.dm-notice { margin: 0 0 12px; color: var(--ink-2); font-size: .9rem; line-height: 1.55; }
.check { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 12px; align-items: start; font-size: .97rem; line-height: 1.5; cursor: pointer; }
.check input { width: 22px; height: 22px; margin: 1px 0 0; accent-color: var(--red); cursor: pointer; }
.privacy-link { margin: 10px 0 0 36px; color: var(--muted); font-size: .88rem; }
.hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.form-status { min-height: 1.4em; margin: 12px 0 0; font-size: .95rem; }
.form-status:empty { display: none; }
.form-status:focus { outline: none; }
.form-status[data-kind="error"] { color: var(--red-ink); font-weight: 600; }
.signup.is-done .field, .signup.is-done .consent, .signup.is-done button { display: none; }
.signup.is-done .form-status { display: flex; gap: 14px; align-items: flex-start; margin: 0; color: var(--ink); font-family: var(--font-display); font-weight: 700; font-size: clamp(1.4rem, 1.1rem + 1vw, 1.8rem); line-height: 1.25; }
.signup.is-done .form-status::before { content: ""; flex: none; width: 34px; height: 34px; margin-top: 2px; border-radius: 50%; background: var(--red) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%23fff' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 22px no-repeat; }
.preview-note { margin: 12px 0 0; color: var(--muted); font-size: .85rem; }

/* ---------- Sections ---------- */
.section { padding-block: clamp(68px, 9vw, 128px); }
.section-head { max-width: 780px; }
.section-head h2, .split-text h2, .story h2 { font-size: clamp(2.2rem, 1.3rem + 3.3vw, 4rem); }
.section-lede { max-width: 60ch; margin: 20px 0 0; color: var(--ink-2); font-size: 1.12rem; }
html[lang^="zh"] .section-lede { max-width: 34em; }
.photo { margin: 0; }
.photo img { width: 100%; border-radius: var(--radius); }
.photo figcaption, .cutaway figcaption { display: flex; gap: 10px; margin-top: 12px; color: var(--muted); font-size: .86rem; }
.photo figcaption::before, .cutaway figcaption::before { content: ""; flex: none; width: 16px; height: 1px; margin-top: .8em; background: currentColor; }

html[lang^="zh"] .section-head h2, html[lang^="zh"] .split-text h2, html[lang^="zh"] .story h2, html[lang^="zh"] .genuine h2 { font-size: clamp(2rem, 1.3rem + 2.3vw, 3.3rem); }
html[lang^="zh"] .join h2 { font-size: clamp(2rem, 1.4rem + 2vw, 3.2rem); }

/* In the kitchens */
.kitchens { background-color: #FBFAF7; background-image: linear-gradient(rgba(26, 24, 22, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(26, 24, 22, .05) 1px, transparent 1px); background-size: 64px 64px; border-block: 1px solid var(--line); }
.split { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(28px, 6vw, 88px); align-items: center; }
.split-text p:not(.kicker) { max-width: 40ch; color: var(--ink-2); font-size: 1.14rem; }
.split-text h2 { margin-bottom: 26px; }
html[lang^="zh"] .split-text p:not(.kicker) { max-width: 24em; }

/* The method */
.method { background: var(--paper-2); }
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); margin: 48px 0 0; padding: 0; border-top: 2px solid var(--ink); list-style: none; }
.steps li { display: flex; flex-direction: column; gap: 8px; padding: 20px 18px 24px; border-right: 1px solid var(--line-2); }
.steps li:first-child { padding-left: 0; }
.steps li:last-child { border-right: 0; }
.step-no { color: var(--red-ink); font-family: var(--font-mono); font-size: .78rem; letter-spacing: .1em; }
.step-term { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.55rem, 1.1rem + 1.2vw, 2.15rem); line-height: 1.2; letter-spacing: .06em; }
.step-en { color: var(--ink-2); font-size: .93rem; line-height: 1.4; }
.sources { margin: 20px 0 0; color: var(--muted); font-size: .86rem; }
.sources a { color: var(--ink-2); }
.anatomy { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(32px, 6vw, 88px); align-items: center; margin-top: clamp(64px, 8vw, 104px); }
.cutaway { width: 100%; max-width: 480px; margin: 0; justify-self: center; }
.cutaway-art { position: relative; }
.cutaway-art img { width: 100%; }
.pin { position: absolute; width: 34px; height: 34px; margin: -17px 0 0 -17px; border-radius: 50%; background: var(--red); color: #fff; font: 500 .95rem/34px var(--font-mono); text-align: center; box-shadow: 0 0 0 4px rgba(255, 255, 255, .9), 0 8px 18px rgba(0, 0, 0, .25); }
.pin-1 { left: 60%; top: 11%; }
.pin-2 { left: 36%; top: 47%; }
.pin-3 { left: 82%; top: 20.5%; }
.pin-4 { left: 9%; top: 36%; }
.legend { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-2); }
.legend li { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 18px; align-items: start; padding: 22px 0; border-bottom: 1px solid var(--line-2); }
.legend-no { width: 34px; height: 34px; border-radius: 50%; background: var(--ink); color: #fff; font: 500 .95rem/34px var(--font-mono); text-align: center; }
.legend h3 { margin: 3px 0 6px; font-size: 1.15rem; }
.legend p { margin: 0; color: var(--ink-2); }

/* Genuine or copy */
.genuine { background: var(--night); color: var(--night-ink); }
.genuine .kicker { color: var(--red-on-night); }
.genuine .display em { color: var(--red-on-night); }
.genuine h2 { font-size: clamp(2.3rem, 1.3rem + 3.6vw, 4.2rem); }
.genuine .section-lede { color: var(--night-muted); }
.genuine-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(36px, 6vw, 96px); align-items: start; }
.mark-figure { display: flex; align-items: center; gap: 22px; margin: 38px 0 0; }
.mark-figure img { flex: none; width: 150px; height: 150px; border-radius: 50%; object-fit: cover; box-shadow: 0 0 0 1px var(--night-line), 0 0 0 9px var(--night-2); }
.mark-figure figcaption { max-width: 22ch; color: var(--night-muted); font-size: .92rem; }
.checks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin: 0; padding: 0; overflow: hidden; list-style: none; background: var(--night-line); border: 1px solid var(--night-line); border-radius: var(--radius); }
.checks li { padding: 28px 26px; background: var(--night); }
.checks h3 { display: flex; align-items: center; gap: 12px; margin: 0 0 10px; font-size: 1.12rem; color: #fff; }
.checks h3::before { content: ""; flex: none; width: 12px; height: 12px; border: 2px solid var(--red-on-night); border-radius: 50%; }
.checks p { margin: 0; color: var(--night-muted); }
.checks a { color: #fff; overflow-wrap: anywhere; }
.checks a:hover { color: var(--red-on-night); }

/* Our story */
.story-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.story-text h2 { margin-bottom: 26px; }
.story-text p:not(.kicker) { color: var(--ink-2); font-size: 1.12rem; }

/* Join band */
.join { position: relative; overflow: hidden; padding-block: clamp(56px, 8vw, 100px); background: var(--red); color: #fff; }
.join-inner { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: clamp(20px, 4vw, 52px); align-items: center; }
.join .mark { width: clamp(76px, 9vw, 120px); height: auto; color: #fff; }
.join h2 { font-size: clamp(2.2rem, 1.4rem + 3vw, 3.8rem); }
.join p { margin: 10px 0 0; font-size: 1.15rem; }
.join .btn-white:focus-visible { outline-color: #fff; }

/* Footer */
.site-footer { padding-block: 44px 36px; background: var(--night); color: var(--night-muted); font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 18px 32px; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 12px; color: var(--night-ink); }
.footer-brand .mark { width: 34px; height: 32px; }
.footer-brand .brand-zh { color: var(--night-muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.footer-links a { color: var(--night-ink); text-decoration: none; }
.footer-links a:hover { color: #fff; text-decoration: underline; }
.footer-legal, .footer-copy { grid-column: 1 / -1; margin: 0; }
.footer-legal { padding-top: 18px; border-top: 1px solid var(--night-line); }

/* ---------- Inner pages ---------- */
.page { padding-block: clamp(40px, 6vw, 88px) clamp(64px, 8vw, 112px); }
.prose { max-width: 800px; }
.prose h1 { font-size: clamp(2.5rem, 1.5rem + 3.6vw, 4.2rem); }
.prose h2 { margin: 44px 0 12px; padding-top: 26px; border-top: 1px solid var(--line); font-size: 1.28rem; font-weight: 600; }
.prose p, .prose li { color: var(--ink-2); }
.prose ul { margin: 0 0 1em; padding-left: 1.25em; }
.prose li { margin-bottom: .6em; }
.prose strong { color: var(--ink); }
.prose .updated { margin: 16px 0 34px; color: var(--muted); font-family: var(--font-mono); font-size: .8rem; letter-spacing: .04em; }
.prose .address { padding: 18px 20px; border-left: 3px solid var(--red); background: var(--card); line-height: 1.7; }
mark.todo { padding: 0 .3em; border-radius: 3px; background: #FFE58A; color: #4A3700; font-weight: 600; }

.body-center { min-height: 100vh; display: grid; place-items: center; }
.thanks { width: 100%; padding: 40px var(--gutter); }
.thanks-card { max-width: 560px; margin-inline: auto; padding: clamp(28px, 5vw, 48px); background: var(--card); border: 1px solid var(--line); border-radius: calc(var(--radius) + 6px); text-align: center; }
.thanks-card .mark { width: 88px; height: auto; margin: 0 auto 26px; }
.thanks-card h1 { font-size: clamp(2.2rem, 1.6rem + 2vw, 3.2rem); }
.thanks-card h2 { margin-top: 30px; font-size: clamp(1.8rem, 1.4rem + 1.5vw, 2.4rem); }
.thanks-card p { margin: 14px 0 26px; color: var(--ink-2); }
.btn-pair { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .split, .anatomy, .genuine-grid, .story-grid { grid-template-columns: minmax(0, 1fr); }
  .split-text, .story-text { order: -1; }
  .cutaway { max-width: 400px; }
  .steps { grid-template-columns: minmax(0, 1fr); border-top-width: 2px; }
  .steps li { display: grid; grid-template-columns: 38px 7.5em minmax(0, 1fr); align-items: baseline; gap: 10px; padding: 16px 0; border-right: 0; border-bottom: 1px solid var(--line-2); }
  html[lang^="zh"] .steps li { grid-template-columns: 38px minmax(0, 1fr); }
  .step-term { font-size: 1.6rem; }
}
@media (max-width: 760px) {
  .join-inner { grid-template-columns: minmax(0, 1fr); }
  .join .btn { justify-self: start; }
  .checks { grid-template-columns: minmax(0, 1fr); }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 420px) {
  .steps li { grid-template-columns: 32px minmax(0, 1fr); }
  .step-en { grid-column: 2; }
  .mark-figure img { width: 116px; height: 116px; }
}

/* Story: three generations, and on display at 2 Cafe */
.generations, .seen-at { margin-top: clamp(48px, 7vw, 96px); }
.photo-wide img, .photo-pair img { display: block; width: 100%; height: auto; }
.photo-pair .pair { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(12px, 2vw, 24px); }
@media (max-width: 640px) { .photo-pair .pair { grid-template-columns: 1fr; } }

/* Story: milestones timeline */
.history { margin-top: clamp(48px, 7vw, 96px); }
.timeline { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); max-width: 860px; }
.timeline li { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.timeline p { margin: 0; color: var(--ink-2); font-size: 1.05rem; }
.tl-year { font-family: var(--font-mono); font-weight: 500; color: var(--red-ink); letter-spacing: .06em; padding-top: .15em; }
html[lang^="zh"] .tl-year { font-family: var(--font-sans); font-weight: 600; letter-spacing: .04em; }
.tl-source { margin: 16px 0 0; max-width: 860px; color: var(--muted); font-size: .86rem; }
.tl-source a { color: inherit; }
@media (max-width: 640px) { .timeline li { grid-template-columns: 1fr; gap: 4px; } }
.nowrap { white-space: nowrap; }

/* Story: three-generations photo runs edge to edge on phones */
@media (max-width: 640px) {
  .generations .photo-wide picture, .generations .photo-wide img { display: block; }
  .generations .photo-wide img { width: calc(100% + 2 * var(--gutter)); max-width: none; margin-inline: calc(-1 * var(--gutter)); border-radius: 0; }
}

/* ---------- Draft: heritage hero (three generations band) ---------- */
.hero-grid { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); grid-template-areas: "text text" "band band" "lede form"; row-gap: clamp(24px, 3vw, 40px); }
.hero-band { grid-area: band; margin: 0; }
.hero-band .plate { background: #e9e7e3; }
.hero-band img { display: block; width: 100%; height: auto; }
.hero-band figcaption { margin-top: 12px; color: var(--muted); font-size: .86rem; }
.hero-lede { grid-area: lede; }
.hero-lede .lede { margin-top: 0; }
.hero h1 { max-width: 14ch; }
@media (min-width: 961px) { .hero h1 { max-width: none; font-size: clamp(2.7rem, 1rem + 4.4vw, 5.4rem); } }
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "text" "band" "lede" "form"; }
  .hero-band .plate { margin-inline: calc(-1 * var(--gutter)); border-radius: 0; box-shadow: none; }
  .hero-band figcaption { margin-top: 10px; }
}

/* ---------- Coming soon: home-pot teaser (update 13) ---------- */
.teaser { background: var(--paper-2, #efeae2); border-block: 1px solid var(--line); }
.teaser-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(28px, 6vw, 88px); align-items: center; }
.teaser-text h2 { margin-bottom: 22px; font-size: clamp(2.2rem, 1.3rem + 3.3vw, 4rem); }
html[lang^="zh"] .teaser-text h2 { font-size: clamp(2rem, 1.3rem + 2.3vw, 3.3rem); }
.teaser-text p:not(.kicker) { max-width: 38ch; margin: 0 0 28px; color: var(--ink-2); font-size: 1.14rem; }
html[lang^="zh"] .teaser-text p:not(.kicker) { max-width: 24em; }
.teaser-media { margin: 0; justify-self: center; width: min(100%, 420px); }
.teaser-video { display: block; width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; border-radius: calc(var(--radius) + 6px); background: #2a2622; box-shadow: 0 40px 70px -40px rgba(40, 28, 18, .45); }
@media (max-width: 960px) {
  .teaser-grid { grid-template-columns: minmax(0, 1fr); }
  .teaser-media { width: min(100%, 460px); }
}
.teaser-media { position: relative; }
.teaser-sound { position: absolute; right: 14px; bottom: 14px; z-index: 1; display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 10px 16px 10px 13px; border: 0; border-radius: 999px; background: rgba(20, 16, 12, .72); color: #fff; font: 600 .9rem/1 var(--font-sans); cursor: pointer; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.teaser-sound:hover { background: rgba(20, 16, 12, .86); }
.teaser-sound:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; }
.teaser-sound svg { width: 20px; height: 20px; flex: none; }
.teaser-sound[aria-pressed="false"] .wave { opacity: .35; }

/* ---------- Teaser in the hero, beside the form (update 16) ---------- */
.hero-teaser { margin-top: clamp(28px, 3vw, 40px); padding-top: clamp(22px, 2.4vw, 30px); border-top: 1px solid var(--line); }
.hero-teaser .kicker { margin-bottom: 10px; }
.hero-teaser-text { max-width: 38ch; margin: 0 0 18px; color: var(--ink-2); font-size: 1.05rem; }
html[lang^="zh"] .hero-teaser-text { max-width: 24em; }
.hero-teaser .teaser-media { justify-self: start; width: min(100%, 380px); margin: 0; }
@media (max-width: 960px) { .hero-teaser .teaser-media { width: min(100%, 460px); } }

.hero-teaser { grid-area: teaser; margin-top: 0; }
.hero-grid { grid-template-areas: "text text" "band band" "lede form" "teaser form"; grid-template-rows: auto auto auto 1fr; }
.hero-form { align-self: start; }
@media (max-width: 960px) {
  .hero-grid { grid-template-areas: "text" "band" "lede" "form" "teaser"; grid-template-rows: none; }
}
.teaser-up { display: none; }
@media (max-width: 960px) {
  .teaser-up { display: inline-flex; align-items: center; min-height: 44px; margin-top: 10px; color: var(--red-ink); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
}