/* ============================================================
   Chinese Acupuncture Clinic
   Shared stylesheet — all 5 pages
   Design system: v3 brand
============================================================ */

/* Accessibility: disable all motion for users who ask for it */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:0.01ms !important;
    animation-delay:0ms !important;
    transition-duration:0.01ms !important;
    scroll-behavior:auto !important;
  }
}

:root{
  /* Motion kill-switch: set to 0 to disable all entrance animations */
  --motion-scale:1;

  /* Colors — wood (green) + fire (red) + earth (cream) */
  --cream:#FBF9F4;
  --cream-deep:#F1ECDF;
  --ink:#2B2B28;
  --ink-soft:#5A584F;
  --green:#3A4A40;
  --green-mid:#5E7060;
  --green-deep:#2F3C34;
  --red:#6B2018;
  --red-soft:#8C3A2E;
  --red-tint:#D9A89C;
  --line:#D9D0C2;
  --gold-soft:#D9A89C;

  /* Type scale */
  --type-display:'Cormorant Garamond', Georgia, serif;
  --type-label:'Cinzel', Georgia, serif;
  --type-body:'EB Garamond', Georgia, serif;

  /* Spacing scale */
  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:32px;
  --space-5:48px;
  --space-6:64px;
  --space-7:96px;
  --space-8:128px;

  /* Layout */
  --max-width:1140px;
}

/* ==========================================================
   RESET + BASE
========================================================== */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:var(--type-body);
  font-size:18px;
  line-height:1.75;
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--green);text-decoration:none;transition:color .2s;}
a:hover{color:var(--red);}
button{font-family:inherit;cursor:pointer;}

.wrap{max-width:var(--max-width);margin:0 auto;padding:0 40px;}

/* ==========================================================
   PLACEHOLDER STYLES — visible markers for content TBD
========================================================== */

.placeholder{
  background:#FFF6DE;
  color:#7A5800;
  font-family:var(--type-label);
  font-size:0.85em;
  letter-spacing:1px;
  padding:2px 8px;
  border:1px dashed #D4A82A;
  border-radius:2px;
  font-style:normal;
}
.placeholder-block{
  background:#FFF8E1;
  border:1px dashed #D4A82A;
  border-radius:3px;
  padding:24px 32px;
  margin:16px 0;
  color:#7A5800;
  font-family:var(--type-body);
  font-style:italic;
}
.placeholder-block strong{
  display:block;
  font-family:var(--type-label);
  font-size:13px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:#A07A0A;
  font-style:normal;
  margin-bottom:8px;
}
.placeholder-img{
  background:var(--cream-deep);
  border:1px dashed var(--line);
  border-radius:3px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--ink-soft);
  font-family:var(--type-body);
  font-style:italic;
  font-size:14px;
  text-align:center;
  padding:20px;
  position:relative;
}
.placeholder-img::after{
  content:"";
  position:absolute;
  inset:12px;
  border:1px solid var(--red);
  opacity:.25;
  border-radius:2px;
  pointer-events:none;
}

/* ==========================================================
   HEADER
========================================================== */

header.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(251,249,244,0.94);
  backdrop-filter:saturate(140%) blur(8px);
  -webkit-backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:background calc(300ms * var(--motion-scale)) ease,
             box-shadow calc(300ms * var(--motion-scale)) ease;
}
header.site-header.scrolled{
  background:rgba(251,249,244,0.98);
  box-shadow:0 1px 12px rgba(0,0,0,0.03);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:88px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
}
.brand-logo{
  height:44px;
  width:auto;
  display:block;
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.15;
}
/* Brand wordmark with enlarged initials */
.brand-name{
  font-family:var(--type-label);
  font-weight:600;
  color:var(--green);
  text-transform:uppercase;
  letter-spacing:1.2px;
  font-size:14px;
}
.brand-name .lg{font-size:18px;letter-spacing:1.5px;}
.brand-sub{
  font-family:var(--type-body);
  font-style:italic;
  font-size:12.5px;
  color:var(--red);
  letter-spacing:.5px;
  margin-top:3px;
}
nav ul{
  list-style:none;
  display:flex;
  gap:34px;
  align-items:center;
}
nav a{
  color:var(--ink-soft);
  font-family:var(--type-body);
  font-size:16px;
  letter-spacing:.3px;
  position:relative;
}
nav a:hover{color:var(--green);}
nav a.active{color:var(--green);}
nav a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-6px;
  width:4px;
  height:4px;
  background:var(--red);
  border-radius:50%;
  transform:translateX(-50%);
}

/* ==========================================================
   BUTTONS
========================================================== */

.btn{
  font-family:var(--type-label);
  font-size:13px;
  letter-spacing:1.8px;
  text-transform:uppercase;
  font-weight:500;
  padding:14px 26px;
  border-radius:2px;
  transition:all .25s;
  display:inline-block;
  border:1px solid transparent;
  cursor:pointer;
  text-align:center;
}
.btn-solid{
  background:var(--green);
  color:#fff;
  border-color:var(--green);
  box-shadow:0 2px 0 rgba(58,74,64,0.15);
}
.btn-solid:hover{
  background:var(--green-deep);
  color:#fff;
}
.btn-ghost{
  background:transparent;
  color:var(--green);
  border-color:var(--green);
}
.btn-ghost:hover{
  background:var(--green);
  color:#fff;
}
.btn-red{
  background:var(--red);
  color:#fff;
  border-color:var(--red);
  box-shadow:0 2px 0 rgba(107,32,24,0.15);
}
.btn-red:hover{
  background:var(--red-soft);
  color:#fff;
}
.btn-lg{padding:16px 32px;font-size:14px;}

/* ==========================================================
   COMMON SECTION STYLES
========================================================== */

.eyebrow{
  font-family:var(--type-label);
  font-size:13px;
  letter-spacing:3px;
  text-transform:uppercase;
  color:var(--red);
}
.section-title{
  font-family:var(--type-display);
  font-weight:500;
  font-size:46px;
  line-height:1.12;
  color:var(--green);
  letter-spacing:.3px;
}
.section-lede{
  font-family:var(--type-display);
  font-style:italic;
  font-weight:400;
  font-size:22px;
  color:var(--ink-soft);
  line-height:1.4;
}

.divider-mark{
  width:60px;
  height:1px;
  background:var(--red);
  margin:40px auto;
  position:relative;
}
.divider-mark::before{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  width:7px;
  height:7px;
  border:1px solid var(--red);
  transform:translate(-50%,-50%) rotate(45deg);
  background:var(--cream);
}

/* Page hero (used on inner pages) */
.page-hero{
  padding:64px 0 48px;
  text-align:center;
  border-bottom:1px solid var(--line);
}
.page-hero .eyebrow{
  margin-bottom:18px;
}
.page-hero h1{
  font-family:var(--type-display);
  font-weight:500;
  font-size:54px;
  line-height:1.1;
  color:var(--green);
  max-width:760px;
  margin:0 auto 16px;
}
.page-hero p.lede{
  font-family:var(--type-display);
  font-style:italic;
  font-size:21px;
  color:var(--ink-soft);
  max-width:600px;
  margin:0 auto;
  line-height:1.5;
}

/* ==========================================================
   FOOTER
========================================================== */

footer.site-footer{
  background:var(--green);
  color:#CDD3CB;
  padding:66px 0 40px;
  margin-top:80px;
}
footer .footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:48px;
  margin-bottom:48px;
}
footer .fbrand .brand-name{color:#fff;}
footer .fbrand .brand-name .lg{color:#fff;}
footer .fbrand .brand-sub{color:var(--gold-soft);}
footer p{font-size:15px;line-height:1.8;color:#B7BEB6;}
footer h4{
  font-family:var(--type-label);
  font-size:12px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--gold-soft);
  margin-bottom:18px;
  font-weight:600;
}
footer a{
  color:#CDD3CB;
  font-size:15px;
  display:block;
  margin-bottom:10px;
  transition:color .2s;
}
footer a:hover{color:#fff;}
.footer-badges{
  border-top:1px solid rgba(255,255,255,.12);
  padding:28px 0;
}
.footer-badges .fb-label{
  font-family:var(--type-label);
  font-size:12px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:#D9D0C2;
  margin-bottom:16px;
}
.footer-badges .fb-row{
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
}
.footer-badges .fb-row img{
  height:132px;
  width:auto;
  cursor:zoom-in;
}

/* badge lightbox (js/main.js) */
.lightbox{
  position:fixed;
  inset:0;
  z-index:200;
  background:rgba(43,43,40,0.82);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:32px;
  cursor:zoom-out;
  opacity:0;
  transition:opacity calc(200ms * var(--motion-scale)) ease;
}
.lightbox.open{opacity:1;}
.lightbox img{
  max-width:min(90vw,720px);
  max-height:85vh;
  width:auto;
  height:auto;
  border-radius:3px;
  box-shadow:0 12px 48px rgba(0,0,0,0.35);
}

.fbottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:26px;
  text-align:center;
  font-size:13px;
  color:#8E968C;
  letter-spacing:.3px;
}

/* ==========================================================
   MOTION — subtle entrance animations
   (all durations scale with --motion-scale; 0 = off.
    js/main.js adds .scrolled / .anim-ready / .in-view)
========================================================== */

@keyframes rise-in{
  from{opacity:0;transform:translateY(12px);}
  to{opacity:1;transform:translateY(0);}
}

/* B. Hero entrance (Home) — pure CSS, starts at first paint */
.hero .eyebrow,
.hero h1,
.hero .slogan,
.hero .hero-cta,
.hero .divider-mark{
  animation:rise-in calc(500ms * var(--motion-scale)) cubic-bezier(0.16,1,0.3,1) both;
}
.hero h1{animation-delay:calc(100ms * var(--motion-scale));}
.hero .slogan{animation-delay:calc(200ms * var(--motion-scale));}
.hero .hero-cta{animation-delay:calc(300ms * var(--motion-scale));}
.hero .divider-mark{animation-delay:calc(400ms * var(--motion-scale));}

/* C. Philosophy strip reveal (Home) — hidden only once JS marks .anim-ready,
   so content stays visible if JS never runs */
.philosophy-strip.anim-ready .quote,
.philosophy-strip.anim-ready .attrib{
  opacity:0;
  transform:translateY(16px);
  transition:opacity calc(700ms * var(--motion-scale)) cubic-bezier(0.16,1,0.3,1),
             transform calc(700ms * var(--motion-scale)) cubic-bezier(0.16,1,0.3,1);
}
.philosophy-strip.anim-ready .attrib{
  transition-duration:calc(500ms * var(--motion-scale));
  transition-delay:calc(300ms * var(--motion-scale));
}
.philosophy-strip.anim-ready.in-view .quote,
.philosophy-strip.anim-ready.in-view .attrib{
  opacity:1;
  transform:translateY(0);
}

/* D. Core modality cards stagger (Services) — container-triggered so order
   is always index-based, never viewport-arrival-based */
.modalities .grid.anim-ready .mcard{
  opacity:0;
  transform:translateY(20px);
  transition:opacity calc(500ms * var(--motion-scale)) cubic-bezier(0.16,1,0.3,1),
             transform calc(500ms * var(--motion-scale)) cubic-bezier(0.16,1,0.3,1);
}
.modalities .grid.anim-ready.in-view .mcard{
  opacity:1;
  transform:translateY(0);
}
.modalities .grid.anim-ready.in-view .mcard:nth-child(2){transition-delay:calc(80ms * var(--motion-scale));}
.modalities .grid.anim-ready.in-view .mcard:nth-child(3){transition-delay:calc(160ms * var(--motion-scale));}
.modalities .grid.anim-ready.in-view .mcard:nth-child(4){transition-delay:calc(240ms * var(--motion-scale));}
.modalities .grid.anim-ready.in-view .mcard:nth-child(5){transition-delay:calc(320ms * var(--motion-scale));}
.modalities .grid.anim-ready.in-view .mcard:nth-child(6){transition-delay:calc(400ms * var(--motion-scale));}
.modalities .grid.anim-ready.in-view .mcard:nth-child(7){transition-delay:calc(480ms * var(--motion-scale));}

/* ==========================================================
   RESPONSIVE
========================================================== */

@media(max-width:960px){
  .wrap{padding:0 24px;}
  nav ul{display:none;} /* mobile menu — TBD */
  .page-hero h1{font-size:40px;}
  .section-title{font-size:36px;}
  footer .footer-grid{grid-template-columns:1fr;gap:32px;}
}

@media(max-width:600px){
  body{font-size:17px;}
  .footer-badges .fb-row{gap:16px;}
  .footer-badges .fb-row img{height:108px;}
  .page-hero{padding:48px 0 36px;}
  .page-hero h1{font-size:32px;}
  .section-title{font-size:28px;}
}