/* ==========================================================================
   antoniacheng.com — production stylesheet
   Built from the Antonia Cheng Design System (tokens v2: porcelain + Tiffany).
   Tokens are verbatim from tokens/*.css — do not tweak values here.
   ========================================================================== */

/* ---- Tokens: color ---- */
:root{
--ink-900:#2B1B2C; --ink-800:#3A2740; --ink-700:#4A3453; --ink-600:#5E4569;
--porcelain-50:#FBFCFC; --porcelain-100:#F2F6F6; --porcelain-200:#E5EEED; --porcelain-300:#D2E2E0;
--blush-100:#F9F0F2; --blush-200:#F1DFE4;
--tiffany-500:#0ABAB5; --tiffany-600:#09A19D; --tiffany-700:#087F7C;
--vermillion-600:#C22F1B; --vermillion-500:#D8391F; --vermillion-400:#E5502F;
--whatsapp-600:#1FAE54; --whatsapp-700:#128C46;
--grade-gold:#B98A2F;
--neutral-900:#1E2124; --neutral-700:#474E54; --neutral-500:#6E787E; --neutral-300:#C3CDD0; --neutral-200:#D9E0E2; --neutral-100:#EDF1F2;
--surface-page:var(--porcelain-50);
--surface-card:#FFFFFF;
--surface-raised:var(--porcelain-100);
--surface-blush:var(--blush-100);
--surface-inverse:var(--ink-900);
--text-display:var(--ink-900);
--text-body:#26232B;
--text-muted:#5C6167;
--text-on-inverse:var(--porcelain-50);
--text-on-inverse-muted:#C6BFCC;
--accent-ink:var(--vermillion-500);
--accent-cta:var(--tiffany-500);
--accent-cta-hover:var(--tiffany-600);
--text-on-cta:var(--ink-900);
--link:var(--tiffany-700);
--link-hover:var(--tiffany-600);
--border-hairline:#E3EAEA;
--border-strong:var(--ink-900);
--focus-ring:2px solid var(--tiffany-600);
/* ---- Tokens: typography ---- */
--font-display-tc:'Noto Serif TC',serif;
/* CJK fallback is REQUIRED here, not optional. Source Serif 4 and Georgia contain no
   Chinese glyphs, so without 'Noto Serif TC' every CJK character in a display element
   (明報, 數以萬計, 20+ 年, press captions) fell through to an arbitrary OS font —
   WenQuanYi on Linux, MingLiU/JhengHei on Windows, Songti on macOS. Latin is unaffected:
   the browser still resolves Latin glyphs to Source Serif 4 first, per-glyph. */
--font-display-latin:'Source Serif 4','Noto Serif TC',Georgia,serif;
--font-display:'Source Serif 4','Noto Serif TC',Georgia,serif;
--font-body:'IBM Plex Sans','Noto Sans TC',-apple-system,sans-serif;
/* Caveat is Latin-only (the design system says so), but the red margin notes are mostly
   Chinese (你的私人評卷員, 時間分配可以訓練, 適合你，如果). The bare `cursive` generic
   resolved those to Comic Sans MS on Windows — actively off-brand. 'Noto Sans TC' is
   already loaded, so Chinese annotations now render consistently on every platform.
   A system kai/楷書 face would look more handwritten, but only on desktop Windows —
   that would reintroduce exactly the cross-device inconsistency this fixes. */
--font-annotation:'Caveat','Noto Sans TC',cursive;
--text-hero:clamp(40px,8vw,78px);
--text-h2:clamp(30px,5vw,46px);
--text-h3:clamp(22px,3.2vw,28px);
--text-lead:19px;
--text-base:17px;
--text-small:14px;
--text-caption:12.5px;
--text-annotation:clamp(18px,2.4vw,24px);
--weight-display:700; --weight-display-heavy:900; --weight-body:400; --weight-medium:500; --weight-bold:700;
--leading-display:1.15; --leading-tc-display:1.25; --leading-body:1.7; --leading-tight:1.4;
--tracking-tc-display:0.02em; --tracking-caps:0.14em;
/* ---- Tokens: spacing / radius / shadow / motion ---- */
--space-1:4px; --space-2:8px; --space-3:12px; --space-4:16px; --space-5:24px; --space-6:32px; --space-7:48px; --space-8:64px; --space-9:96px; --space-10:128px;
--section-pad-mobile:64px; --section-pad-desktop:112px;
--container-max:1160px; --container-pad:20px;
--radius-xs:3px; --radius-sm:6px; --radius-md:10px; --radius-lg:16px; --radius-pill:999px;
--shadow-paper:0 1px 2px rgba(43,27,44,.07),0 6px 18px rgba(43,27,44,.08);
--shadow-paper-lifted:0 2px 4px rgba(43,27,44,.08),0 14px 34px rgba(43,27,44,.13);
--shadow-card:0 1px 3px rgba(43,27,44,.05),0 4px 12px rgba(43,27,44,.05);
--tilt-clipping:-2.5deg; --tilt-clipping-alt:1.5deg;
--ease-out:cubic-bezier(.22,.61,.36,1);
--dur-fast:160ms; --dur-med:320ms; --dur-draw:700ms;
}

/* ---- Base ---- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--surface-page);color:var(--text-body);font-family:var(--font-body);font-size:var(--text-base);line-height:var(--leading-body);-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--font-display);color:var(--text-display);line-height:var(--leading-tc-display);letter-spacing:var(--tracking-tc-display);margin:0;font-weight:var(--weight-display)}
p{margin:0}
/* color-mix() needs Chrome 111+ / Safari 16.2+. Older Chinese browsers (UC/QQ/Mi)
   ignore the second declaration and keep the solid colour — an acceptable fallback. */
a{color:var(--link);text-decoration-color:rgba(8,127,124,.4);text-decoration-color:color-mix(in oklab,var(--link) 40%,transparent);text-underline-offset:3px}
a:hover{color:var(--link-hover)}
:focus-visible{outline:var(--focus-ring);outline-offset:2px}
/* height:auto is REQUIRED. Images carry width/height attributes (good — they reserve
   layout space and prevent CLS), but any rule setting width:100% without height:auto
   leaves the attribute height in force and stretches the image. This was rendering the
   NYT clipping at 207×485 when its ratio needs 207×190. */
img{max-width:100%;display:block;height:auto}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* Visually hidden (screen readers + document outline only) */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}

/* Skip link */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--surface-card);color:var(--text-display);padding:10px 18px;z-index:100;border-radius:0 0 var(--radius-sm) 0;font-weight:600}
.skip-link:focus{left:0}

/* ---- Marking-ink system (the signature) ---- */
.ink-note{font-family:var(--font-annotation);color:var(--accent-ink);font-size:var(--text-annotation);line-height:1.2;transform:rotate(-2deg);display:inline-block}
.ink-underline{position:relative;display:inline-block}
.ink-underline>svg{position:absolute;left:-2%;bottom:-.18em;width:104%;height:.32em;overflow:visible;pointer-events:none}
.ink-underline>svg path{fill:none;stroke:var(--accent-ink);stroke-width:3.5;stroke-linecap:round;vector-effect:non-scaling-stroke}
.ink-draw path{stroke-dasharray:1;stroke-dashoffset:1;animation:ink-draw var(--dur-draw) var(--ease-out) forwards}
@keyframes ink-draw{to{stroke-dashoffset:0}}
/* deferred variant: draws when JS adds .is-in to an ancestor */
.ink-draw-wait path{stroke-dasharray:1;stroke-dashoffset:0}
.js .ink-draw-wait path{stroke-dashoffset:1}
.js .is-in .ink-draw-wait path{animation:ink-draw var(--dur-draw) var(--ease-out) forwards;animation-delay:180ms}
.ink-circle{position:relative;display:inline-flex;align-items:center;justify-content:center}
.ink-circle>svg{position:absolute;inset:-22% -14%;width:128%;height:144%;overflow:visible;pointer-events:none}
.ink-circle>svg ellipse,.ink-circle>svg path{fill:none;stroke:var(--accent-ink);stroke-width:2.5;vector-effect:non-scaling-stroke}
.ink-tick{color:var(--accent-ink);font-weight:700}

/* ---- Scroll reveals (JS-gated; no-JS sees everything) ---- */
.js [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity var(--dur-med) var(--ease-out),transform var(--dur-med) var(--ease-out)}
.js [data-reveal].is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js [data-reveal]{opacity:1;transform:none}}

/* ---- Layout ---- */
.container{max-width:var(--container-max);margin:0 auto;padding:var(--section-pad-mobile) var(--container-pad)}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-body);font-weight:600;font-size:16px;line-height:1.2;padding:13px 26px;border-radius:var(--radius-pill);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out),transform var(--dur-fast)}
.btn:active{transform:translateY(1px)}
.btn--lg{padding:16px 30px;font-size:17px}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--primary{background:var(--accent-cta);color:var(--text-on-cta)}
.btn--primary:hover{background:var(--accent-cta-hover);color:var(--text-on-cta)}
.btn--secondary{background:transparent;color:var(--ink-900);border-color:var(--ink-900)}
.btn--secondary:hover{background:var(--ink-900);color:var(--porcelain-50)}
.btn .wa-glyph{flex:none}

/* ---- Nav ---- */
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:var(--container-max);margin:0 auto;padding:16px var(--container-pad);position:relative}
.nav-logo img{height:40px;width:auto}
.nav-links{display:flex;gap:22px;font-size:15px;font-weight:500}
.nav-links a{color:var(--text-display);text-decoration:none}
.nav-links a:hover{color:var(--tiffany-700)}
.nav-toggle{display:none;background:none;border:1px solid var(--border-hairline);border-radius:var(--radius-sm);padding:8px 10px;cursor:pointer;color:var(--text-display)}
.nav-menu{display:none}
.nav-menu.is-open{display:flex;position:absolute;top:100%;left:var(--container-pad);right:var(--container-pad);z-index:60;flex-direction:column;background:var(--surface-card);border:1px solid var(--border-hairline);border-radius:var(--radius-md);box-shadow:var(--shadow-paper-lifted);padding:10px 0}
.nav-menu.is-open a{padding:12px 20px;color:var(--text-display);text-decoration:none;font-weight:500}
.nav-menu.is-open a:hover{background:var(--porcelain-100)}

/* ---- Hero ---- */
.hero{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding-top:40px}
.hero-copy{display:flex;flex-direction:column;gap:22px;align-items:flex-start}
.hero-eyebrow{font-family:var(--font-display);font-weight:700;font-size:clamp(18px,2.2vw,24px);color:var(--tiffany-700);letter-spacing:.04em}
.hero h1{font-size:var(--text-hero);font-weight:900;line-height:var(--leading-tc-display)}
.hero-lead{font-size:var(--text-lead);color:var(--text-body);max-width:34ch}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
/* minmax(150px,…) forced a 334px minimum (150+150+34 gap) and overflowed every
   viewport ≤344px (iPhone SE 1st gen, folded Galaxy Z Fold). minmax(0,…) lets the
   columns actually shrink; the 34px gap is kept above 360px where it fits. */
.hero-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 34px;margin-top:12px}
@media (max-width:359px){.hero-facts{gap:14px 18px}}
.hero-fact{border-left:1px solid var(--border-hairline);padding-left:14px}
.hero-fact b{display:block;font-family:var(--font-display-latin);font-weight:700;font-size:26px;color:var(--text-display);line-height:1.2}
.hero-fact>span{font-size:14.5px;color:var(--text-muted)}
.hero-fact b span{font-size:inherit;color:inherit}
.hero-art{position:relative;justify-self:end;width:min(46vw,580px);aspect-ratio:1}
.hero-art::before{content:'';position:absolute;inset:4%;border-radius:50%;background:radial-gradient(circle at 38% 30%,#E9F8F7,#C9EBE9 78%)}
.hero-art::after{content:'';position:absolute;inset:4%;border-radius:50%;border:1.5px solid var(--tiffany-500);transform:translate(14px,-12px);opacity:.35;pointer-events:none}
.hero-mask{position:absolute;inset:4%;border-radius:50%;overflow:hidden;box-shadow:0 18px 40px rgba(43,27,44,.14)}
.hero-portrait{width:100%;height:100%;max-width:none;object-fit:cover;object-position:50% 10%;transform:scale(1.12);transform-origin:50% 20%}

/* ---- Media ticker ---- */
.media-band{border-top:1px solid var(--border-hairline);border-bottom:1px solid var(--border-hairline);background:var(--surface-card)}
.media-band .container{padding-top:42px;padding-bottom:42px;display:flex;flex-direction:column;align-items:center;gap:22px}
.media-label{font-family:var(--font-body);font-size:16px;font-weight:500;color:var(--text-muted);letter-spacing:.02em}
.caps-label{font-family:var(--font-body);font-size:12px;letter-spacing:var(--tracking-caps);text-transform:uppercase;color:var(--neutral-500)}
.media-ticker{overflow:hidden;width:100%;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.media-ticker .track{display:flex;width:max-content;animation:media-scroll 36s linear infinite}
.media-ticker:hover .track{animation-play-state:paused}
.media-ticker .row{width:300px;height:140px;flex:none;display:flex;align-items:center;justify-content:center}
.media-ticker .row img{width:auto;max-width:280px;object-fit:contain}
@keyframes media-scroll{to{transform:translateX(-50%)}}

/* ---- About ---- */
.about{display:grid;grid-template-columns:.8fr 1.2fr;gap:52px;align-items:center}
.about-photo{position:relative;aspect-ratio:1;max-width:380px;width:100%;justify-self:center}
.about-photo::after{content:'';position:absolute;inset:0;border-radius:50%;border:1.5px solid var(--tiffany-500);transform:translate(-12px,12px);opacity:.35;pointer-events:none}
.about-photo img{width:100%;height:100%;border-radius:50%;object-fit:cover;object-position:50% 12%;box-shadow:0 14px 32px rgba(43,27,44,.13)}
.about-copy{display:flex;flex-direction:column;gap:18px;align-items:flex-start}
.about-eyebrow{font-family:var(--font-body);font-size:12px;letter-spacing:var(--tracking-caps);text-transform:uppercase;color:var(--tiffany-700);font-weight:600}
.about h2{font-size:var(--text-h2)}
.about h2 .latin-italic{font-family:var(--font-display-latin);font-style:italic}
.about-copy p{font-size:var(--text-lead);line-height:1.85;max-width:46ch}
.about-sig{display:flex;align-items:flex-end;gap:16px;margin-top:6px}
.about-sig img{height:44px;width:auto}
.about-sig .ink-note{font-size:19px;transform:rotate(-1.5deg)}

/* ---- Section marker ---- */
.marker{display:flex;align-items:center;gap:18px}
.marker-num{font-family:var(--font-display-latin);font-weight:700;font-size:20px;color:var(--text-display);padding:2px 8px}
.marker h2{font-size:var(--text-h2);margin:0}
.marker-en{font-family:var(--font-display-latin);font-style:italic;font-size:15px;color:var(--text-muted);margin-top:2px}

/* ---- Step strip ---- */
.steps{display:flex;flex-wrap:wrap;gap:0;list-style:none;margin:22px 0 0;padding:0;background:var(--surface-card);border:1px solid var(--border-hairline);border-radius:var(--radius-md);box-shadow:var(--shadow-card)}
.steps li{flex:1 1 200px;display:flex;gap:14px;align-items:flex-start;padding:18px 22px;border-left:1px solid var(--border-hairline)}
.steps li:first-child{border-left:none}
.steps .step-num{font-family:var(--font-display-latin);font-size:26px;line-height:1.1;color:var(--accent-ink)}
.steps b{display:block;font-family:var(--font-body);font-size:17px;color:var(--text-display)}
.steps .step-desc{font-size:14px;color:var(--text-muted)}

/* ---- Cards ---- */
.card{background:var(--surface-card);border:1px solid var(--border-hairline);border-radius:var(--radius-md);box-shadow:var(--shadow-card);padding:24px}
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:26px}
.pain-card{position:relative}
.pain-quote{font-family:var(--font-display);font-weight:700;font-size:22px;line-height:1.35;color:var(--text-display)}
.pain-card .ink-note{margin-top:10px;font-size:19px}

/* ---- Wedge / marked specimen ---- */
.band-paper{background:var(--blush-100);padding:var(--section-pad-mobile) 0}
.band-paper>.container{padding-top:0;padding-bottom:0}
.wedge-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:start;margin-top:30px}
.wedge-items{display:flex;flex-direction:column;gap:20px}
.wedge-item b{display:block;font-family:var(--font-display);font-size:20px;color:var(--text-display)}
.wedge-item span{font-size:15.5px;color:var(--text-body)}
.wedge-items>.ink-note{font-size:22px}
.wedge-h3{font-size:var(--text-h3);margin:40px 0 16px}
.specimen{background:#fff;box-shadow:var(--shadow-paper);border-radius:2px;padding:26px 28px 30px;font-family:var(--font-display-latin);font-size:16.5px;line-height:2.05;color:var(--neutral-900);background-image:repeating-linear-gradient(transparent,transparent 32.5px,#E8E2D4 32.5px,#E8E2D4 33.5px);position:relative}
.specimen-label{font-family:var(--font-body);font-size:11px;letter-spacing:var(--tracking-caps);text-transform:uppercase;color:var(--neutral-500);margin-bottom:10px}
.specimen .ink-note{font-size:16px;margin-left:14px}
.specimen .specimen-corner{position:absolute;right:22px;bottom:10px;font-size:20px;margin-left:0}

/* ---- Compare table ---- */
.compare{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:24px;align-items:stretch}
.compare-col{background:var(--surface-card);border:1px solid var(--border-hairline);border-radius:var(--radius-lg);padding:26px 28px;color:var(--text-muted)}
.compare-col--ant{position:relative;border:2px solid var(--tiffany-500);box-shadow:var(--shadow-paper-lifted);color:var(--text-body)}
.compare-head{font-family:var(--font-body);font-weight:600;font-size:15px;letter-spacing:.06em;color:var(--neutral-500);padding-bottom:16px}
.compare-head--ant{display:flex;align-items:baseline;gap:10px;padding-bottom:16px}
.compare-head--ant .name{font-family:var(--font-display);font-weight:900;font-size:22px;color:var(--text-display)}
.compare-head--ant .ink-note{font-size:19px}
.compare-row{display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-top:1px solid var(--border-hairline);font-size:16px;line-height:1.55}
.compare-row .x{color:var(--neutral-300);font-weight:700;flex:none}
.compare-row .ink-tick{flex:none}
.compare-row b{font-weight:600;color:var(--neutral-700)}
.compare-col--ant .compare-row b{font-weight:700;color:var(--text-display)}
.compare-row .dot{margin:0 8px;color:var(--neutral-300)}
.compare-col--ant .compare-row .val{color:var(--text-body);font-weight:500}
.wedge-cta{margin-top:26px}

/* ---- Videos ---- */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:26px}
/* Click-to-load facade showing the real YouTube artwork. The thumbnail is hotlinked
   from YouTube's CDN (deterministic URL, same approach as lite-youtube-embed) — nothing
   from youtube.com is executed until the viewer actually taps play. Title and paper sit
   BELOW the image: these thumbnails already carry large burned-in titles, so overlaying
   more text on top just competed with them. */
.facade{display:flex;flex-direction:column;gap:12px}
.facade-btn{position:relative;display:block;border-radius:var(--radius-md);overflow:hidden;background:var(--ink-800);aspect-ratio:16/9;box-shadow:var(--shadow-card);transition:transform var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out)}
.facade-btn:hover,.facade-btn:focus-visible{transform:translateY(-2px);box-shadow:var(--shadow-paper-lifted)}
.facade-thumb{width:100%;height:100%;object-fit:cover}
.facade-disc{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56px;height:56px;border-radius:50%;background:var(--vermillion-500);display:grid;place-items:center;box-shadow:0 4px 14px rgba(43,27,44,.35);transition:background var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out)}
.facade-btn:hover .facade-disc{background:var(--vermillion-400);transform:translate(-50%,-50%) scale(1.06)}
.facade iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:var(--radius-md)}
.facade-meta{display:flex;flex-direction:column;gap:4px}
.facade-paper{font-family:var(--font-body);font-size:11px;letter-spacing:var(--tracking-caps);text-transform:uppercase;color:var(--text-muted)}
.facade-title{font-family:var(--font-display);font-weight:700;font-size:17px;color:var(--text-display);line-height:1.4}
.video-more{margin-top:18px;font-size:15px}

/* ---- Credibility ---- */
.band-cred{background:var(--porcelain-100);color:var(--text-body);padding:var(--section-pad-mobile) 0;border-top:1px solid var(--border-hairline);border-bottom:1px solid var(--border-hairline)}
.band-cred>.container{padding-top:0;padding-bottom:0}
.cred-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cred-stat{background:var(--surface-card);border:1px solid var(--border-hairline);border-radius:var(--radius-md);box-shadow:var(--shadow-card);padding:26px 24px;text-align:center}
.cred-stat--tiffany{border-top:4px solid var(--tiffany-500)}
.cred-stat--ink{border-top:4px solid var(--accent-ink)}
.cred-stat em{font-style:normal;font-family:var(--font-display-latin);font-weight:700;font-size:clamp(34px,3.8vw,52px);display:block;color:var(--text-display)}
.cred-stat em span{font-size:inherit;color:inherit}
.cred-stat>span{font-size:16px;color:var(--text-muted)}
/* ---- WeChat ID (copy-to-clipboard) ---- */
.wechat-line{margin-top:16px;font-size:15px;color:var(--text-muted)}
.wechat-id{font:inherit;font-weight:600;color:var(--link);background:none;border:0;
  border-bottom:1px dashed currentColor;padding:2px 1px;cursor:pointer;
  min-height:32px;/* stays a comfortable tap target on phones */}
.wechat-id:hover,.wechat-id:focus-visible{color:var(--link-hover)}
.wechat-id.is-copied{color:var(--tiffany-600,#0f9b90);border-bottom-style:solid}
.wechat-id--footer{color:inherit;opacity:.85;font-weight:400}
.press-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:28px;align-items:flex-start}
.press-clip{margin:0;background:#fff;padding:8px 8px 6px;border-radius:2px;box-shadow:var(--shadow-paper);flex:1 1 160px;max-width:210px;transition:transform var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out)}
.press-clip:hover{transform:rotate(0deg)!important;box-shadow:var(--shadow-paper-lifted)}
.press-clip img{width:100%;border-radius:2px}
.press-clip figcaption{font-family:var(--font-display-latin);font-weight:600;font-size:12px;color:var(--neutral-700);padding-top:6px}
/* replaced the 天書 mosaic — this space now carries more press coverage */
.clip-grid-sm{columns:6;column-gap:16px;margin-top:32px}
.clip-sm{break-inside:avoid;-webkit-column-break-inside:avoid;margin:0 0 20px}
.clip-sm a{display:block;background:#fff;padding:6px 6px 5px;border-radius:2px;box-shadow:var(--shadow-paper);transition:transform var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out)}
.clip-sm a:hover,.clip-sm a:focus-visible{transform:translateY(-2px);box-shadow:var(--shadow-paper-lifted)}
.clip-sm img{width:100%;border-radius:2px}
.clip-sm figcaption{padding-top:7px;font-family:var(--font-display-latin);font-weight:600;font-size:12px;color:var(--neutral-700);display:flex;justify-content:space-between;gap:8px}
.clip-sm figcaption time{color:var(--text-muted);font-weight:500;font-variant-numeric:tabular-nums}
@media (max-width:900px){.clip-grid-sm{columns:3}}
@media (max-width:480px){.clip-grid-sm{columns:2}}
.cover-mosaic{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:30px}
.cover-img{aspect-ratio:396/560;width:100%;object-fit:cover;border-radius:4px;background:var(--porcelain-200);box-shadow:var(--shadow-paper)}
/* Follows the ragged bottom edge of the masonry wall, so it needs more air than it
   did when it sat between two grids — 20px read as cramped against the last caption. */
.press-more{margin-top:30px;font-size:15.5px;font-weight:500}
.press-more a{color:var(--link);text-decoration:none;border-bottom:1px solid color-mix(in oklab,var(--link) 35%,transparent)}
.press-more a:hover{color:var(--link-hover);border-bottom-color:var(--link-hover)}
.cred-note{margin-top:14px;font-size:13px;color:var(--text-muted)}

/* ---- Published works ---- */
.pubs{margin-top:34px;padding-top:26px;border-top:1px solid var(--border-hairline)}
.pubs-h{font-size:19px;margin:0 0 14px}
.pubs-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;gap:18px}
.pubs-list li{display:flex;flex-direction:column;gap:5px;padding-left:14px;border-left:2px solid var(--tiffany-500)}
.pubs-inner{display:grid;grid-template-columns:300px 1fr;gap:36px;align-items:start}
.pub-figs{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pub-fig{margin:0}
.pub-fig img{width:100%;border-radius:var(--radius-sm);box-shadow:var(--shadow-paper)}
.pub-fig figcaption{margin-top:8px;font-size:12.5px;color:var(--text-muted);line-height:1.5}
@media (max-width:768px){.pubs-inner{grid-template-columns:1fr;gap:24px}.pub-figs{max-width:330px}}
.pubs-list b{font-family:var(--font-display);font-weight:700;font-size:17px;color:var(--text-display);line-height:1.35}
.pubs-list span{font-size:14.5px;color:var(--text-muted);line-height:1.6}
/* publisher attribution — the point of this block is that a real publisher carries these */
.pub-by{display:inline-block;align-self:flex-start;font-family:var(--font-body);font-size:12px;font-weight:600;letter-spacing:.03em;color:var(--tiffany-700);background:var(--porcelain-100);border:1px solid var(--border-hairline);border-radius:var(--radius-pill);padding:3px 11px;margin:2px 0 3px}
.pubs-note{margin-top:16px;font-size:13.5px;color:var(--text-muted)}
@media (max-width:900px){.pubs-list{grid-template-columns:1fr;gap:16px}}

/* ---- Courses ---- */
.course-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:26px}
/* the DSE tier has three cards, not four — fill the row rather than leaving a gap */
.course-grid--3{grid-template-columns:repeat(3,1fr)}
.course-card{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.course-level{font-family:var(--font-body);font-size:11px;letter-spacing:var(--tracking-caps);text-transform:uppercase;color:var(--text-muted)}
.course-card h3{font-size:var(--text-h3);margin:0}
.course-fit{font-size:15.5px;color:var(--text-body);line-height:1.6}
.course-fit .ink-note{font-size:18px;margin-right:6px}
.course-card .btn{margin-top:auto}

/* ---- Three ways to study ---- */
.ways-lead{margin-top:18px;font-size:var(--text-lead);color:var(--text-muted);max-width:52ch}
.ways-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.way{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.way-tag{font-family:var(--font-body);font-size:11px;letter-spacing:var(--tracking-caps);text-transform:uppercase;color:var(--tiffany-700);font-weight:600}
.way h3{font-size:20px;margin:0}
.way-list{margin:0;padding-left:18px;font-size:15.5px;line-height:1.65;color:var(--text-body)}
.way-list li{margin-bottom:5px}
.way .btn{margin-top:auto}
.ways-note{margin-top:20px;font-size:15.5px;color:var(--text-muted)}

/* ---- Course groups, fees ---- */
.grp-h{font-size:var(--text-h3);margin:52px 0 0;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.grp-h .grp-year{font-family:var(--font-body);font-size:13px;font-weight:500;letter-spacing:.04em;color:var(--text-muted)}
.grp-lead{margin-top:10px;font-size:16px;color:var(--text-muted);max-width:62ch}
.course-grid--4{grid-template-columns:repeat(4,1fr)}
.gram-grid{grid-template-columns:repeat(3,1fr)}
.card--accent{border:2px solid var(--tiffany-500);box-shadow:var(--shadow-paper-lifted)}
.course-meta{margin-top:auto;padding-top:12px;width:100%;border-top:1px solid var(--border-hairline);display:flex;align-items:baseline;justify-content:space-between;gap:10px;font-size:13.5px;color:var(--text-muted)}
.course-meta b{font-family:var(--font-display-latin);font-weight:700;font-size:22px;color:var(--text-display);white-space:nowrap}
.course-meta b span{font-family:var(--font-body);font-weight:500;font-size:12.5px;color:var(--text-muted)}
.gram-bundle{margin-top:20px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:16px;color:var(--text-body)}
.gram-bundle b{font-family:var(--font-display-latin);font-size:20px;color:var(--text-display)}

/* ---- Schedule table ---- */
.sched-wrap{margin-top:8px;scroll-margin-top:20px}
.sched{width:100%;border-collapse:collapse;margin-top:22px;font-size:15px;background:var(--surface-card);border:1px solid var(--border-hairline);border-radius:var(--radius-md);overflow:hidden}
.sched th,.sched td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--border-hairline)}
.sched thead th{background:var(--porcelain-100);font-family:var(--font-body);font-weight:600;font-size:13px;letter-spacing:.02em;color:var(--text-display);white-space:nowrap}
.sched tbody th.lvl{font-family:var(--font-display-latin);font-weight:700;font-size:19px;color:var(--text-display);background:var(--porcelain-50);vertical-align:top;white-space:nowrap;border-right:1px solid var(--border-hairline)}
.sched td{color:var(--text-body)}
.sched td:last-child{font-family:var(--font-display-latin);font-weight:600;white-space:nowrap}
.sched tbody tr:last-child td{border-bottom:none}
.sched-note{margin-top:14px;font-size:13px;color:var(--text-muted);max-width:70ch}
.sched-cta{margin-top:22px;display:flex;gap:14px;flex-wrap:wrap}
/* Course-guide download. Size is stated up front — this audience is on mobile data. */
.guide-dl{display:flex;align-items:center;gap:16px;margin-top:26px;padding:18px 22px;background:var(--surface-card);border:1px solid var(--border-hairline);border-left:3px solid var(--accent-ink);border-radius:var(--radius-md);box-shadow:var(--shadow-card);text-decoration:none;transition:box-shadow var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out)}
.guide-dl:hover{box-shadow:var(--shadow-paper-lifted);transform:translateY(-1px)}
.guide-icon{flex:none;color:var(--accent-ink);display:grid;place-items:center}
.guide-txt{display:flex;flex-direction:column;gap:3px}
.guide-txt b{font-family:var(--font-display);font-weight:700;font-size:17px;color:var(--text-display)}
.guide-txt span{font-size:13.5px;color:var(--text-muted);line-height:1.55}
@media (max-width:768px){.guide-dl{padding:16px 18px;gap:13px}}
/* Per-level accordion. Open by default so no-JS and desktop see everything;
   js/site.js collapses all but the first on phones. */
.sched-acc{margin-top:20px}
.sched-acc>summary{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;cursor:pointer;list-style:none;padding:10px 0;border-bottom:1px solid var(--border-hairline)}
.sched-acc>summary::-webkit-details-marker{display:none}
.sched-acc>summary .lvl-tag{font-family:var(--font-display-latin);font-weight:700;font-size:21px;color:var(--text-display)}
.sched-acc>summary .lvl-sub{font-size:14px;color:var(--text-muted)}
.sched-acc>summary::after{content:'';margin-left:auto;width:9px;height:9px;border-right:2px solid var(--accent-ink);border-bottom:2px solid var(--accent-ink);transform:rotate(45deg);transition:transform var(--dur-fast) var(--ease-out);flex:none;align-self:center}
.sched-acc[open]>summary::after{transform:rotate(-135deg)}
@media (min-width:769px){.sched-acc>summary{cursor:default}.sched-acc>summary::after{display:none}}

/* ---- Testimonials ---- */
.testi-heroes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:26px}
/* Masonry columns, not grid. The screenshots have wildly different aspect ratios
   (one WeChat thread is 640×988), and in a grid that one item sets the row height
   and leaves a dead band under the other five. Columns let them pack naturally,
   and fewer/wider columns keep the Chinese text legible. */
.testi-wall{columns:3;column-gap:18px;margin-top:30px}
.testi-wall .shot{break-inside:avoid;-webkit-column-break-inside:avoid;margin:0 0 18px}
.shot{margin:0;display:flex;flex-direction:column;gap:10px}
.shot-frame{background:#fff;padding:8px;border-radius:6px;box-shadow:var(--shadow-paper);transition:transform var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out)}
.shot-frame:hover{transform:rotate(0deg)!important;box-shadow:var(--shadow-paper-lifted)}
.shot--hero .shot-frame{box-shadow:var(--shadow-paper-lifted)}
.shot-frame img{border-radius:3px;width:100%}
.shot figcaption{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.shot-story{font-size:14.5px;color:var(--text-muted);line-height:1.55}
.grade-chip{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-body);font-weight:700;font-size:13px;padding:6px 14px;border-radius:var(--radius-pill);background:var(--porcelain-100);border:1px solid var(--border-hairline);color:var(--ink-900)}
.grade-chip .from{color:var(--neutral-500);font-weight:500}
.testi-note{margin-top:14px;font-size:var(--text-caption);color:var(--text-muted)}

/* ---- FAQ ---- */
.faq-wrap{max-width:820px}
.faq-list{margin-top:14px}
.faq{border-bottom:1px solid var(--border-hairline)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;padding:18px 2px;font-family:var(--font-body);font-weight:600;font-size:17px;color:var(--text-display);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{flex:none;transition:transform var(--dur-fast) var(--ease-out)}
.faq[open] summary svg{transform:rotate(45deg)}
.faq-a{padding:0 2px 20px;color:var(--text-body);font-size:16px;line-height:var(--leading-body);max-width:62ch}
.final-cta{margin-top:56px;text-align:center;display:flex;flex-direction:column;gap:12px;align-items:center;background:var(--surface-card);border:1px solid var(--border-hairline);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:44px 24px}
.final-cta h2{font-size:var(--text-h2)}
.final-cta p{color:var(--text-muted)}

/* ---- Footer ---- */
.footer{background:var(--ink-900);padding:36px 0;margin-top:64px}
.footer-inner{max-width:var(--container-max);margin:0 auto;padding:0 var(--container-pad);display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.footer img{height:44px;width:auto}
.footer nav{display:flex;gap:20px;font-size:14px}
.footer a{color:var(--porcelain-50);text-decoration:none}
.footer a:hover{color:var(--text-on-inverse-muted)}
.footer .muted{color:var(--text-on-inverse-muted)}
.footer-copy{font-size:12.5px;color:var(--text-on-inverse-muted)}

/* ---- Mobile WhatsApp bar ---- */
#wa-bar{display:none}

/* ---- Responsive ---- */
@media (max-width:900px){
.nav-links{display:none}
.nav-toggle{display:inline-flex;align-items:center}
/* Header WhatsApp CTA is redundant on mobile — the sticky bottom bar is always
   on screen. Removing it also frees the top-right corner for the hamburger,
   which is where thumbs expect it. */
.nav>.btn{display:none}
.nav-toggle{margin-left:auto}
.hero{grid-template-columns:1fr;gap:34px;padding-top:16px}
.hero-art{justify-self:center;padding-left:0;width:min(86vw,480px)}
.pain-grid,.video-grid,.course-grid{grid-template-columns:1fr 1fr}
.about{grid-template-columns:1fr;gap:30px}
.wedge-grid{grid-template-columns:1fr}
.cred-stats{grid-template-columns:1fr 1fr}
.cover-mosaic{grid-template-columns:repeat(3,1fr)}
.testi-heroes{grid-template-columns:1fr}
.testi-wall{columns:2}
/* -webkit-backdrop-filter is required on iOS Safari ≤17 and most Chinese browsers
   (UC/QQ/Mi/Huawei) — without it the bar renders unblurred. The 94%-opaque background
   is a deliberate fallback so it still reads correctly where blur is unsupported. */
#wa-bar{display:block;position:fixed;left:0;right:0;bottom:0;z-index:50;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(251,248,241,.94);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--border-hairline)}
#wa-bar a{display:flex;align-items:center;justify-content:center;gap:10px;background:var(--accent-cta);color:var(--text-on-cta);font-family:var(--font-body);font-weight:600;font-size:16px;padding:14px 20px;border-radius:var(--radius-pill);text-decoration:none;min-height:48px}
body{padding-bottom:84px}
}
@media (max-width:480px){.pain-grid{grid-template-columns:1fr}}

/* ---- Phones & portrait tablets: one item per row ----------------------------
   Two-up was cramming 16:9 video titles over the play disc, shrinking course
   cards, and — worst — rendering the press scans and testimonial screenshots at
   ~165px wide, where the Chinese text is unreadable. These are content people
   are meant to actually READ, so width wins over density. */
@media (max-width:900px){
  .ways-grid{grid-template-columns:1fr}
  .course-grid--4,.gram-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .video-grid{grid-template-columns:1fr}
  .course-grid,.course-grid--4,.gram-grid{grid-template-columns:1fr}

  /* Schedule: a 6-column table is unreadable on a phone. Rows become labelled
     cards, and each level collapses so a J2 student never scrolls past S45 and S6. */
  .sched,.sched thead,.sched tbody,.sched tr,.sched td{display:block;width:100%}
  .sched thead{display:none}
  .sched{border:none;background:none;overflow:visible;margin-top:12px}
  .sched tbody tr{background:var(--surface-card);border:1px solid var(--border-hairline);border-radius:var(--radius-md);box-shadow:var(--shadow-card);padding:4px 0;margin-bottom:10px}
  .sched td{display:flex;justify-content:space-between;gap:16px;align-items:baseline;border-bottom:1px solid var(--border-hairline);padding:8px 16px}
  .sched tbody tr td:last-child{border-bottom:none;font-size:17px}
  .sched td::before{content:attr(data-l);font-size:12.5px;color:var(--text-muted);font-weight:500;flex:none}

  .testi-wall{columns:1}

  /* Press clippings: flex with mixed aspect ratios produced a ragged two-column
     stagger. Grid + no tilt aligns them; full width makes the scans legible. */
  .press-row{display:grid;grid-template-columns:1fr;gap:20px}
  .press-clip{flex:none;max-width:none;transform:none!important}
  .press-clip:hover{transform:none!important}

  /* Testimonial screenshots are the proof — let them fill the column. */
  .testi-heroes{gap:28px}
  .shot-frame{transform:none!important}
}

/* 天書 covers stay a mosaic (they read as a wall of books, not as text),
   but drop to 2-up on the narrowest phones so each cover is recognisable. */
@media (max-width:400px){
  .cover-mosaic{grid-template-columns:repeat(2,1fr)}
}

/* ---- Very narrow phones (≤359px): iPhone SE 1st gen, folded Galaxy Z Fold ---- */
@media (max-width:359px){
  /* 獨自苦惱 is kept on one line by design, but at 320px the H1 is wider than the
     content box. Release the nowrap only here — every phone ≥360px keeps the design. */
  .hero h1 span{white-space:normal!important}
  .container{--container-pad:16px}
  .compare-col,.card,.specimen{padding-left:18px;padding-right:18px}
}

/* ---- Touch ergonomics ----
   Desktop keeps the design system's exact button metrics; touch devices get the
   44px minimum the handoff asked for. WCAG 2.2 AA only requires 24px, but these
   are the primary conversion targets, so size them for thumbs. */
@media (pointer:coarse){
  .btn--sm{min-height:44px}
  .nav-logo{display:flex;align-items:center;min-height:44px}
  .nav-toggle{min-width:44px;min-height:44px;justify-content:center}
  .footer nav a{padding:11px 0;display:inline-block}
  .footer-copy a{display:inline-block;padding:10px 0}
  .nav-menu.is-open a{min-height:44px;display:flex;align-items:center}
  /* touchscreen laptops still see the desktop nav above 900px */
  .nav-links a{padding:9px 0}
  .video-more a,.faq summary{min-height:44px}
  /* the only route to /media/ — give it a real target, not an inline-text-sized one */
  .press-more a{display:inline-block;padding:11px 0}
  .faq summary{align-items:center}
}

/* ---- Landscape phones: don't let the fixed bar eat a short viewport ---- */
@media (max-width:900px) and (max-height:450px) and (orientation:landscape){
  #wa-bar{position:static;padding-bottom:10px}
  body{padding-bottom:0}
}