:root {
  --ink: #f0e8dc; --muted: rgba(240,232,220,.62); --bg: #12151a; --bg-soft: #1a1f26; --white: #222831;
  --line: rgba(240,232,220,0.14); --accent: #c4a574; --accent-deep: #e2c9a0; --accent-bar: #e2c9a0;
  --on-accent: #12151a; --font: 'Anuphan', sans-serif; --heading: 'Prompt', 'Anuphan', sans-serif;
  --brand: 'Cormorant Garamond', 'Anuphan', serif; --mono: 'IBM Plex Mono', 'Anuphan', monospace;
  --max: 820px; --demo-h: 48px; --header-h: 72px; --ease: cubic-bezier(0.22, 1, 0.36, 1); --radius: 2px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 120px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
body {
  font-family: var(--font); color: var(--ink); line-height: 1.65; overflow-x: hidden; font-synthesis: none;
  background:
    radial-gradient(ellipse 40% 35% at 50% 0%, rgba(196,165,116,0.12), transparent 55%),
    var(--bg);
}
img { max-width: 100%; display: block; } a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; font-size: 16px; } ul, ol, dl { list-style: none; }
.wrap { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.demo-bar { position: sticky; top: 0; z-index: 60; display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; padding: .55rem 1.25rem; background: #080a0d; color: #fff; font-size: .82rem; }
.demo-bar strong { font-family: var(--mono); font-size: .68rem; letter-spacing: .06em; color: var(--accent-bar); font-weight: 500; }
.demo-bar__actions { display: flex; gap: .45rem; flex-wrap: wrap; }
.demo-bar a { padding: .35rem .7rem; border: 1px solid rgba(255,255,255,.25); font-size: .78rem; font-weight: 500; }
.demo-bar a.is-primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }

.site-header { position: sticky; top: var(--demo-h); z-index: 50; background: rgba(18,21,26,.94); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); position: relative; }
.brand { font-family: var(--heading); font-weight: 700; font-size: 1.2rem; display: inline-flex; align-items: baseline; gap: .45rem; }
.brand small { font-family: var(--brand); font-size: .72rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.menu-toggle { display: none; background: none; border: 1px solid var(--line); padding: .45rem .8rem; cursor: pointer; color: var(--ink); }
.nav { display: flex; align-items: center; gap: 1.25rem; }
.nav a { font-size: .92rem; font-weight: 500; color: var(--muted); }
.nav-cta { background: var(--accent); color: var(--on-accent) !important; padding: .55rem 1.05rem; }

.btn { display: inline-flex; align-items: center; justify-content: center; padding: .9rem 1.4rem; font-weight: 600; border: 1.5px solid transparent; cursor: pointer; transition: transform .2s var(--ease); }
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--ghost { color: #fff; border-color: rgba(255,255,255,.4); background: transparent; }
.btn--block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; }

.hero { position: relative; min-height: min(92dvh, 860px); display: flex; align-items: flex-end; color: #fff; overflow: hidden; }
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; animation: ken 22s var(--ease) both; }
.hero__media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,10,13,.5) 0%, rgba(8,10,13,.82) 55%, rgba(8,10,13,.96) 100%); }
.hero__fx { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.dust {
  position: absolute; width: 3px; height: 3px; border-radius: 50%; background: var(--accent-bar);
  box-shadow: 0 0 6px rgba(226,201,160,.55); animation: dustFall 12s linear infinite;
}
.dust--1 { left: 20%; top: -4%; }
.dust--2 { left: 45%; top: -8%; width: 2px; height: 2px; animation-duration: 14s; animation-delay: -3s; }
.dust--3 { left: 62%; top: -5%; animation-duration: 11s; animation-delay: -6s; }
.dust--4 { left: 78%; top: -10%; width: 2px; height: 2px; animation-duration: 15s; animation-delay: -2s; }
.hero__inner {
  position: relative; z-index: 2; padding: 5.5rem 0 4rem; max-width: 34rem; margin-inline: auto;
  width: min(100% - 2.5rem, 34rem); text-align: center; animation: rise 1s var(--ease) both;
}
.hero__brand { font-family: var(--heading); font-size: 1.1rem; font-weight: 700; margin-bottom: 1.2rem; display: flex; gap: .5rem; align-items: baseline; justify-content: center; flex-wrap: wrap; }
.hero__brand span { font-family: var(--brand); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-bar); font-weight: 600; }
.hero h1 { font-family: var(--heading); font-size: clamp(2.2rem, 5vw, 3.35rem); line-height: 1.18; letter-spacing: -.02em; margin-bottom: 1rem; }
.hero h1 em { display: block; font-family: var(--brand); font-style: italic; font-weight: 500; color: var(--accent-bar); font-size: .72em; margin-top: .35rem; }
.hero__lead { color: rgba(255,255,255,.8); margin-bottom: 1.6rem; }
@keyframes ken { from { transform: scale(1.06); } to { transform: scale(1); } }
@keyframes rise { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
@keyframes dustFall {
  0% { transform: translate3d(0,0,0); opacity: 0; }
  12% { opacity: .85; }
  100% { transform: translate3d(10px, 110vh, 0); opacity: 0; }
}

.section { padding: 4.75rem 0; }
.section--soft { background: var(--bg-soft); }
.section--gallery { background: #0e1116; }
.section--accent { background: #080a0d; padding: 5rem 0; }
.eyebrow { font-family: var(--mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: .65rem; }

.chapters-head { margin-bottom: 2.25rem; max-width: 34rem; margin-inline: auto; text-align: center; }
.chapters-head h2 { font-family: var(--heading); font-size: clamp(1.85rem, 3.4vw, 2.5rem); letter-spacing: -.02em; margin-bottom: .55rem; }
.chapters-head p { color: var(--muted); }

/* EDITORIAL CHAPTERS — unique to Dental Soft C */
.chapter { border-top: 1px solid var(--line); }
.chapter a {
  display: grid; gap: .55rem; padding: 1.75rem 0; text-align: center;
  transition: color .2s, transform .25s var(--ease);
}
.chapter a:hover { transform: translateY(-2px); color: var(--accent-deep); }
.chapter__no { font-family: var(--brand); font-style: italic; font-size: 1.05rem; color: var(--accent); }
.chapter h3 { font-family: var(--heading); font-size: clamp(1.5rem, 2.8vw, 1.9rem); letter-spacing: -.015em; }
.chapter p { color: var(--muted); max-width: 28rem; margin-inline: auto; font-size: .98rem; }
.chapter strong { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent-bar); font-weight: 500; }

.craft { display: grid; grid-template-columns: .9fr 1.1fr; gap: 2.25rem; align-items: center; }
.craft__photo { margin: 0; }
.craft__photo img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.craft__photo figcaption { margin-top: .75rem; font-family: var(--brand); font-style: italic; color: var(--muted); font-size: 1rem; }
.craft__copy h2 { font-family: var(--heading); font-size: clamp(1.75rem, 3vw, 2.35rem); margin: .35rem 0 1rem; }
.craft__copy > p { color: var(--muted); margin-bottom: 1.5rem; }
.craft__facts { display: grid; gap: 0; }
.craft__facts div { display: grid; grid-template-columns: 7rem 1fr; gap: .75rem; padding: .9rem 0; border-top: 1px solid var(--line); }
.craft__facts dt { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); padding-top: .2rem; }
.craft__facts dd { font-family: var(--heading); font-size: 1.1rem; }

.visit { display: grid; gap: 0; margin-bottom: 2.5rem; }
.visit li {
  display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding: 1.25rem 0;
  border-top: 1px solid var(--line); align-items: start;
}
.visit li > span { font-family: var(--brand); font-style: italic; font-size: 1.35rem; color: var(--accent); }
.visit h3 { font-family: var(--heading); font-size: 1.2rem; margin-bottom: .35rem; }
.visit p { color: var(--muted); font-size: .95rem; }


.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.gallery figure { margin: 0; border: 1px solid var(--line); overflow: hidden; background: var(--white); }
.gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; transition: transform .55s var(--ease); }
.gallery figure:hover img { transform: scale(1.04); }
.gallery__wide { grid-column: span 2; }
.gallery__wide img { aspect-ratio: 16/9; }
.gallery figcaption { padding: .7rem .85rem; font-size: .85rem; color: var(--muted); }

.invite { width: min(100% - 2.5rem, 26rem); margin-inline: auto; }
.invite__head {
  position: relative; text-align: center; padding: 1.5rem 1.25rem 1.25rem;
  background: #1c222c; border: 1px solid var(--line); border-bottom: none;
}
.invite__head > span:not(.stamp) {
  display: block; font-family: var(--mono); font-size: .68rem; letter-spacing: .16em; color: var(--accent-bar); margin-bottom: .65rem;
}
.invite__head strong { display: block; font-family: var(--heading); font-size: 1.45rem; margin-bottom: .5rem; color: #fff; }
.invite__head p { color: rgba(255,255,255,.7); font-size: .92rem; }
.invite__head b { color: #fff; font-weight: 600; }
.stamp {
  position: absolute; right: .85rem; top: .85rem;
  display: inline-flex; align-items: center; justify-content: center;
  width: 3.2rem; height: 3.2rem; border: 2px solid rgba(226,201,160,.75); border-radius: 50%;
  font-family: var(--mono); font-size: .58rem; letter-spacing: .12em; color: var(--accent-bar);
  transform: rotate(12deg) scale(.6); opacity: 0;
}
.invite.reveal.is-in .stamp { animation: stampHit .55s var(--ease) .35s both; }
@keyframes stampHit {
  0% { opacity: 0; transform: rotate(12deg) scale(1.4); }
  70% { opacity: 1; transform: rotate(12deg) scale(.95); }
  100% { opacity: 1; transform: rotate(12deg) scale(1); }
}
.form {
  background: #f0e8dc; color: #1a1612; padding: 1.5rem 1.35rem 1.6rem; display: grid; gap: .85rem;
  border: 1px solid var(--line); border-top: 2px dashed rgba(26,22,18,.2);
}
.field { display: grid; gap: .3rem; }
.field label { font-size: .85rem; font-weight: 500; color: #5a4e42; }
.field input, .field select, .field textarea { padding: .75rem .9rem; border: 1px solid rgba(26,22,18,.18); background: #fff; color: #1a1612; }

.site-footer { background: #080a0d; color: rgba(255,255,255,.65); padding: 2rem 0; }
/* Voice strip — soft quotes */
.voice-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}
.voice-strip__item {
  margin: 0;
  padding: 1.55rem 1.4rem 1.45rem 1.5rem;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid var(--accent, var(--gold, var(--blush, var(--coral, var(--teal, var(--cyan, var(--line)))))));
  background: transparent;
}
.voice-strip__item:nth-child(even) {
  border-left-color: color-mix(in srgb, var(--accent, var(--gold, var(--blush, var(--line)))) 55%, transparent);
}
.voice-strip__item p {
  font-family: var(--heading, var(--brand, var(--display, inherit)));
  font-size: clamp(1.05rem, 1.7vw, 1.22rem);
  line-height: 1.45;
  margin: 0 0 0.85rem;
  color: var(--ink);
  font-weight: 500;
}
.voice-strip__item cite {
  display: block;
  font-style: normal;
  font-size: 0.88rem;
  color: var(--muted);
}
@media (max-width: 720px) {
  .voice-strip { grid-template-columns: 1fr; }
  .voice-strip__item { padding-inline: 0 0.25rem; border-left-width: 2px; padding-left: 1.1rem; }
}

.footer { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.site-footer .brand { color: #fff; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .craft, }
@media (max-width: 720px) {
  .menu-toggle { display: block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; background: var(--bg); border-bottom: 1px solid var(--line); padding: .75rem 1.25rem 1rem; }
  .nav.is-open { display: flex; }
  .nav a { padding: .7rem 0; border-bottom: 1px solid var(--line); }
  .gallery { grid-template-columns: 1fr; }
  .gallery__wide { grid-column: auto; }
  .hero__inner { text-align: left; margin-left: max(calc((100% - var(--max)) / 2), 1.25rem); margin-right: auto; }
  .btn-row { justify-content: flex-start; }
  .chapters-head { text-align: left; margin-inline: 0; }
  .chapter a { text-align: left; }
  .chapter p { margin-inline: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__media img, .hero__inner, .dust, .invite.reveal.is-in .stamp { animation: none; }
  .stamp { opacity: 1; transform: rotate(12deg) scale(1); }
  .reveal { opacity: 1; transform: none; transition: none; }
}