/* 海狸咨询 / Hailey's Counseling — D1 「安静的书页」The Quiet Page.
   Tokens + reveal API per MARKUP-SPEC.md; motion charter per REFACTOR-RESEARCH.md §2. */

/* ---- Webfont (self-hosted subset, OFL) ---- */
@font-face{
  font-family:"Noto Serif SC";
  src:local("Noto Serif SC"),url("../fonts/noto-serif-sc-500.woff2") format("woff2");
  font-weight:500;
  font-display:swap;
}
@font-face{
  font-family:"Noto Serif SC";
  src:local("Noto Serif SC"),url("../fonts/noto-serif-sc-600.woff2") format("woff2");
  font-weight:600;
  font-display:swap;
}

/* ---- Tokens ---- */
:root{
  --bg:#faf6ef; --paper:#fffdf8; --ink:#222a26; --muted:#586259;
  --line:#e7dccb; --accent:#5c7d65; --accent-strong:#476150; --accent-2:#8a5a36;
  --sage-bg:#e7ece5; --sand:#efe5d6;
  --dark-bg:#232e27; --dark-paper:#2c3830; --dark-ink:#f2ede2; --dark-muted:#b9c4b6; --dark-line:#3d4a41;
  --dur-line:340ms; --dur-fade:480ms; --dur-hover:150ms; --dur-accent:230ms; --dur-blur:200ms; --rise:12px;
  --ease-out:cubic-bezier(.19,1,.22,1);
  --shadow-sm:0 10px 30px rgba(95,127,104,.14);
  --shadow:0 22px 60px rgba(65,52,38,.10);
  --r-sm:14px; --r:22px; --r-lg:30px;
  --container:1180px; --gutter:clamp(20px,5vw,40px);
  --font-display:"Noto Serif SC","Songti SC","Noto Serif CJK SC",Georgia,serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---- Base ---- */
*{box-sizing:border-box}
@media (prefers-reduced-motion: no-preference){
  html{scroll-behavior:smooth}
}
body{
  margin:0;font-family:var(--font-sans);background:var(--bg);color:var(--ink);
  line-height:1.75;letter-spacing:0;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;hanging-punctuation:first allow-end last;
}
@supports (text-spacing-trim: trim-both){
body{text-spacing-trim:trim-both}
}
a{color:inherit;text-decoration:none}
p{margin:0 0 1rem}
img{max-width:100%;display:block}
h1,h2,blockquote{font-family:var(--font-display);font-weight:600;letter-spacing:.05em}
h3{font-family:var(--font-sans);font-weight:700}

.container{width:min(var(--container),calc(100% - var(--gutter)*2));margin-inline:auto}

/* Below-fold rendering relief */
#neurodiversity,#services,#process,#faq,#contact{
  content-visibility:auto;contain-intrinsic-size:auto 720px;
}
#faq{contain-intrinsic-size:auto 900px}

/* ---- Accessibility helpers ---- */
.skip-link{
  position:fixed;left:16px;top:-60px;z-index:60;background:var(--ink);color:#fff;
  padding:10px 16px;border-radius:10px;transition:top .2s var(--ease);
}
.skip-link:focus{top:16px}
:focus-visible{outline:2.5px solid var(--accent);outline-offset:3px;border-radius:6px}
.btn:focus-visible,.wechat-copy:focus-visible{outline-offset:4px}

/* ---- Eyebrow (Latin labels only get tracking) ---- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;margin:0 0 16px;
  letter-spacing:.15em;text-transform:uppercase;font-size:.78rem;font-weight:700;color:var(--accent-2);
}
.eyebrow-mark{width:18px;height:1px;background:currentColor;opacity:.7;display:inline-block;
  transform-origin:left;transition:transform var(--dur-line) var(--ease-out)}
.eyebrow-on-dark{color:#e7d8c4}
main{counter-reset:sec}
main .eyebrow::before{
  counter-increment:sec;content:counter(sec,decimal-leading-zero) / "";
  font-weight:600;opacity:.5;letter-spacing:.05em;
}

/* ---- Buttons — quiet, flat ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  min-height:48px;padding:0 24px;border-radius:999px;background:var(--accent);color:#fff;
  font-weight:700;font-size:.98rem;border:1px solid transparent;cursor:pointer;
  transition:background var(--dur-hover) var(--ease-out),border-color var(--dur-hover) var(--ease-out);
}
.btn:hover{background:var(--accent-strong)}
.btn.secondary{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.secondary:hover{background:var(--paper);border-color:var(--accent)}
.btn-sm{min-height:42px;padding:0 18px;font-size:.92rem}

/* ---- Nav ---- */
.nav{position:sticky;top:0;z-index:40;background:rgba(250,246,239,.82);backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(231,220,203,.6)}
.nav-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{display:inline-flex;border-radius:11px;line-height:0}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:1.12rem;letter-spacing:.02em}
.brand-text span{font-size:.76rem;color:var(--muted)}
.nav-links{display:flex;gap:26px;align-items:center;font-size:.95rem;color:#3f4a43}
.nav-links a:not(.btn){position:relative;padding:4px 0;transition:color var(--dur-hover) var(--ease-out)}
.nav-links a:not(.btn)::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:1px;
  background:var(--accent);transition:right .25s var(--ease-out)}
.nav-links a:not(.btn):hover{color:var(--accent-strong)}
.nav-links a:not(.btn):hover::after{right:0}
.nav-toggle{display:none;align-items:center;justify-content:center;width:46px;height:46px;
  border:1px solid var(--line);background:#fff;border-radius:12px;color:var(--ink);cursor:pointer}
.nav-toggle .icon-close{display:none}
.nav-toggle[aria-expanded="true"] .icon-menu{display:none}
.nav-toggle[aria-expanded="true"] .icon-close{display:inline}

/* ---- Hero — compact breathing pace ---- */
.hero{padding:clamp(48px,6vw,76px) 0 clamp(52px,7vw,88px)}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(32px,5vw,64px);align-items:center}
.hero-title{font-size:clamp(2.1rem,4.6vw,3.4rem);line-height:1.28;margin:18px 0 26px}
.hero-line{display:block}
.hero .lead{font-size:clamp(1.05rem,1.5vw,1.1875rem);line-height:1.75;color:#46524a;max-width:620px;margin:0}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}

.hero-card{background:transparent;border:0;padding:0}
.portrait-frame{margin:0;border-radius:var(--r);overflow:hidden;background:var(--sand);aspect-ratio:4/5}
.portrait-frame img{width:100%;height:100%;object-fit:cover;object-position:center 28%;filter:saturate(.97) contrast(.99)}
.cred{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0 0}
.cred div{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 13px}
.cred dt{font-size:.72rem;letter-spacing:.04em;color:var(--accent-2);font-weight:700;margin-bottom:3px}
.cred dd{margin:0;font-size:.9rem;color:var(--ink);font-weight:600}

/* ---- Sections — calm but compact ---- */
.section{padding:clamp(64px,8vw,100px) 0}
.section.alt{background:var(--paper)}
.section-title{max-width:760px;margin-bottom:clamp(32px,4vw,46px)}
.section-title h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.3;margin:0 0 16px}
.section-title>p{font-size:1.0625rem;color:var(--muted);margin:0}
.split{display:grid;grid-template-columns:.82fr 1.18fr;gap:clamp(32px,4.5vw,56px);align-items:start}
.about-text p{color:#3f4a43}
.about-text p:last-of-type{margin-bottom:0}

/* ---- Pull-quote: horizontal below 980, vertical-rl above ---- */
.quote-vertical{margin:0}
.quote{
  margin:28px 0 0;border-left:2px solid var(--accent);padding:6px 0 6px 22px;
  font-family:var(--font-display);font-weight:500;letter-spacing:.05em;
  font-size:clamp(1.2rem,1.8vw,1.4rem);line-height:1.6;color:#3a463c;
}
@media (min-width:980px){
  .about-body{display:grid;grid-template-columns:1fr auto;gap:clamp(36px,4vw,72px);align-items:start}
  .quote-vertical{padding-top:6px}
  .quote-vertical .quote{
    writing-mode:vertical-rl;text-orientation:mixed;max-height:21em;
    line-height:1.9;font-family:var(--font-display);font-weight:500;letter-spacing:.05em;
    margin:0;border-left:0;padding:0 0 0 26px;border-right:2px solid var(--accent);
    padding-right:26px;font-size:clamp(1.15rem,1.35vw,1.35rem);
  }
}

/* ---- Cards — flat, quiet ---- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:32px 28px}
.card:hover{border-color:var(--accent)}
.card-icon{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;
  border-radius:13px;background:var(--sage-bg);color:var(--accent-strong);margin-bottom:18px}
.card h3{margin:0 0 10px;font-size:1.2rem}
.card p{color:var(--muted);margin:0}

/* ---- Services ---- */
.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.service-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:32px 30px}
.service-card:hover{border-color:var(--accent)}
.service-card h3{font-size:1.32rem;margin:0 0 10px}
.service-card>p{color:var(--muted);margin:0}
.pill-list{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.pill{background:var(--sand);border:0;border-radius:999px;padding:6px 14px;color:#566359;font-size:.88rem}

/* ---- Path into care ---- */
.path{list-style:none;margin:0;padding:0;max-width:640px;position:relative}
.path::before{content:"";position:absolute;left:4px;top:10px;bottom:10px;width:2px;background:var(--line);
  transform-origin:top;transition:transform var(--dur-fade) var(--ease-out)}
.path-step{position:relative;padding:0 0 36px 38px}
.path-step:last-child{padding-bottom:0}
.path-dot{
  position:absolute;left:0;top:.4em;width:10px;height:10px;border-radius:50%;
  background:var(--accent);
  transition:background-color var(--dur-fade) var(--ease-out),transform var(--dur-line) var(--ease-out);
}
.path-copy strong{
  display:block;margin-bottom:6px;font-size:1.05rem;color:var(--ink);
  transition:color var(--dur-fade) var(--ease-out);
}
.path-copy p{color:var(--muted);margin:0;font-size:.98rem}
/* Under motion (W3 adds html.anim): steps rest muted, dots rest line; .is-active deepens to ink. */
html.anim .path-dot{background:var(--line)}
html.anim .path-copy strong{color:var(--muted)}
html.anim .path-step.is-active .path-dot,.path-step.is-active .path-dot{background:var(--accent-strong)}
html.anim .path-step.is-active .path-copy strong{color:var(--ink)}

/* ---- QR slot ---- */
.qr-slot{
  display:flex;gap:24px;align-items:center;max-width:640px;margin-top:clamp(40px,6vw,56px);
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:24px 26px;
}
.qr-img{
  flex:none;width:132px;height:132px;border:1px solid var(--line);border-radius:16px;background:#fff;
}
.qr-copy strong{display:block;font-size:1.05rem;margin-bottom:2px}
.qr-id{color:var(--accent-strong);font-weight:700;letter-spacing:.02em}
.qr-copy p{margin:10px 0 0;color:var(--muted);font-size:.95rem}

/* ---- FAQ ---- */
.faq{display:grid;gap:12px;align-content:start}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:4px 20px;transition:border-color var(--dur-hover) var(--ease-out)}
.faq details[open]{border-color:var(--accent)}
.faq summary{list-style:none;cursor:pointer;font-weight:700;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
.faq summary::-webkit-details-marker{display:none}
.faq-chevron{flex:none;width:11px;height:11px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);
  transform:rotate(45deg);transition:transform .25s var(--ease-out);margin-top:-4px}
.faq details[open] .faq-chevron{transform:rotate(-135deg);margin-top:2px}
.faq p{color:var(--muted);margin:0 0 16px;animation:faqIn .3s var(--ease-out)}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---- Contact — the dark grounding band ---- */
.contact-section{background:var(--dark-bg);color:var(--dark-ink);padding-block:clamp(96px,14vh,160px)}
.contact-grid{display:grid;grid-template-columns:1.2fr auto;gap:clamp(32px,4vw,64px);align-items:center}
.contact-section h2{color:var(--dark-ink);font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.3;margin:0 0 16px}
.cta-copy p{color:var(--dark-muted);margin:0;max-width:560px}
.cta-action{
  display:flex;flex-direction:column;align-items:flex-start;gap:8px;
  background:var(--dark-paper);border:1px solid var(--dark-line);border-radius:var(--r);
  padding:clamp(24px,3vw,34px);
}
.cta-label{font-size:.78rem;letter-spacing:.15em;text-transform:uppercase;color:rgba(255,255,255,.7);font-weight:700}
.wechat-copy{display:inline-flex;align-items:center;gap:10px;background:#fff;color:#3c4d42;border:none;cursor:pointer;
  border-radius:999px;padding:13px 20px;font-weight:700;font-size:1.02rem;font-family:var(--font-sans);
  transition:background var(--dur-hover) var(--ease-out)}
.wechat-copy:hover{background:#f4efe6}
.icon-wechat{color:#4a8a52;flex:none}
.wechat-id{letter-spacing:.01em}
.wechat-state{font-size:.82rem;font-weight:700;color:#fff;background:var(--accent);border-radius:999px;padding:3px 10px;transition:background var(--dur-hover) var(--ease-out)}
.wechat-copy.copied .wechat-state{background:var(--accent-strong)}
.cta-hint{font-size:.86rem;color:rgba(255,255,255,.88);margin:2px 0 0}
.cta-hint a.cta-link{color:#fff;font-weight:700;text-decoration:underline;text-underline-offset:2px}
.cta-label-alt{margin-top:18px}
.icon-mail{color:#4a8a52;flex:none}
.email-copy{font-size:.94rem;flex-wrap:wrap;max-width:100%}
.email-copy .wechat-id{word-break:break-all;text-align:left}

/* ---- Footer ---- */
.footer{padding:44px 0 40px}
.footer-note{color:var(--muted);font-size:.82rem;line-height:1.75;padding-bottom:18px}
.footer-note p{margin:0 0 6px;max-width:860px}
.footer-note strong{color:#4c5850}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:26px;color:var(--muted);font-size:.92rem}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{border-radius:9px}
.footer-meta{text-align:right}
.motion-switch{
  background:none;border:0;padding:0;margin:0;color:var(--muted);cursor:pointer;
  font-family:var(--font-sans);font-size:.88rem;letter-spacing:.02em;
}
.motion-switch:hover{text-decoration:underline;text-underline-offset:3px;color:var(--accent-strong)}

/* ---- Reveal scaffolding (INERT until motion.js adds html.anim in W3) ----
   Defaults ARE final state: no-JS and pre-W3 pages render fully. */
html.anim [data-reveal-line]:not(.is-in){opacity:0;transform:translateY(var(--rise))}
html.anim [data-reveal-fade]:not(.is-in){opacity:0}
html.anim [data-hero-lines] .hero-line:not(.is-in){opacity:.22}  /* variant A default */
html.anim[data-hero="rise"] .hero-line:not(.is-in){opacity:0;transform:translateY(var(--rise))}
/* W7 ink-settle: titles + hero lines sharpen from a 1.6px blur (≤2px ≤200ms law) */
html.anim .section-title[data-reveal-line]:not(.is-in),
html.anim .hero-line:not(.is-in){filter:blur(1.6px)}
/* W7 drawn accents: rail grows top-down, dots + eyebrow rules pop with their group */
html.anim [data-reveal-group]:not(.is-in) .path::before{transform:scaleY(0)}
html.anim [data-path-step]:not(.is-in) .path-dot{transform:scale(.4)}
html.anim [data-reveal-group]:not(.is-in) .eyebrow-mark{transform:scaleX(0)}
[data-reveal-line],.hero-line{
  transition:opacity var(--dur-line) var(--ease-out),
    transform var(--dur-line) var(--ease-out),
    filter var(--dur-blur) var(--ease-out),
    border-color var(--dur-hover) var(--ease-out);
  transition-delay:calc(var(--i,0) * 90ms);
}
[data-reveal-fade]{
  transition:opacity var(--dur-fade) var(--ease-out),
    transform var(--dur-line) var(--ease-out),
    border-color var(--dur-hover) var(--ease-out);
  transition-delay:calc(var(--i,0) * 90ms);
}
/* D1 breathing pace: hero lines land ~450ms apart (charter: duration stays ≤360ms) */
html.anim [data-hero-lines] .hero-line{transition-delay:calc(var(--i,0) * 450ms)}
/* Hover feedback must not inherit the reveal stagger delay */
.card:hover,.service-card:hover{transition-delay:0s}
html[data-motion="off"] [data-reveal-line],
html[data-motion="off"] [data-reveal-fade],
html[data-motion="off"] .hero-line{transition:none}
/* Sections revealed after being scrolled past enter settled, not mid-flight */
.instant,.instant *,.instant *::before,.instant *::after{transition:none!important}
@media (prefers-reduced-motion: reduce){
  html.anim [data-reveal-line]:not(.is-in){transform:none}      /* opacity-only */
  html.anim [data-hero-lines] .hero-line:not(.is-in){opacity:1} /* instant */
  html.anim .section-title[data-reveal-line]:not(.is-in),
  html.anim .hero-line:not(.is-in){filter:none}
  html.anim [data-reveal-group]:not(.is-in) .path::before,
  html.anim [data-reveal-group]:not(.is-in) .eyebrow-mark,
  html.anim [data-path-step]:not(.is-in) .path-dot{transform:none}
  .btn,.card,.service-card,.wechat-copy,.faq details,.faq p,.nav-links a:not(.btn)::after{
    transition:none!important;animation:none!important;
  }
}

/* ---- Responsive ---- */
@media (max-width:980px){
  .hero-grid,.split{grid-template-columns:1fr}
  .hero-card{max-width:460px}
  .cards{grid-template-columns:1fr 1fr}
  .service-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;align-items:start}
}
@media (max-width:860px){
  .nav-toggle{display:inline-flex}
  .nav-links{position:absolute;left:var(--gutter);right:var(--gutter);top:72px;flex-direction:column;
    align-items:stretch;gap:6px;background:#fff;border:1px solid var(--line);border-radius:18px;
    padding:14px;box-shadow:var(--shadow);display:none}
  .nav-links.open{display:flex;animation:menuIn .22s var(--ease)}
  .nav-links a:not(.btn){padding:11px 12px;border-radius:10px}
  .nav-links a:not(.btn):hover{background:var(--bg)}
  .nav-links a:not(.btn)::after{display:none}
  .nav-links .btn{margin-top:4px}
  @keyframes menuIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
}
@media (max-width:620px){
  .cards{grid-template-columns:1fr}
  .cred{grid-template-columns:1fr 1fr}
  .footer-inner{flex-direction:column;align-items:flex-start}
  .footer-meta{text-align:left}
  .hero-actions .btn{flex:1 1 auto}
  .qr-slot{flex-direction:column;align-items:flex-start}
  .cta-action,.wechat-copy{max-width:100%}
  .email-copy{font-size:.84rem;padding:12px 12px;gap:7px;justify-content:flex-start;flex-wrap:nowrap}
  .email-copy .wechat-id{overflow-wrap:anywhere}
  .email-copy .wechat-state{margin-left:auto;flex:none}
}
@media (max-width:400px){
  .email-copy{font-size:.78rem;padding:11px 10px}
  .email-copy .icon-mail{display:none}
}

/* W3 motion.js support */
html.anim [data-accent-chars] span{display:inline-block;opacity:0;transform:translateY(4px);transition:opacity var(--dur-accent) var(--ease-out),transform var(--dur-accent) var(--ease-out)}
html.anim [data-accent-chars].is-in span{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.motion-switch{display:none}}