/* ==========================================================================
   Prof. Dr. Md. Kamrul Ahsan — design system
   Layout concept: an editorial page that reads like a monograph, organised
   along the spinal column. Treatments are indexed by real spinal level
   (C1–C7, L1–S1); a slim segmented "column ruler" marks the region.
   One committed light identity (ivory / white / midnight navy).
   ========================================================================== */
:root {
  --navy: #101B2B;
  --navy-2: #172438;
  --charcoal: #20262E;
  --ivory: #F7F5F0;
  --white: #FFFFFF;
  --steel: #71849A;
  --champagne: #B6A17A;
  --border: #E5E3DE;
  --ink-soft: #4F5966;        /* body copy on light grounds, 7.2:1 on ivory */
  --on-navy: #E9ECF1;
  --on-navy-soft: #A9B4C2;
  --line-navy: rgba(255,255,255,.12);

  --f-display: "Manrope", "Hind Siliguri", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-body: "Inter", "Hind Siliguri", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-serif: "DM Serif Display", Georgia, "Times New Roman", serif;
  --f-bn: "Hind Siliguri", "Noto Sans Bengali", "Nirmala UI", "Vrinda", sans-serif;

  --t-xs: .78rem;
  --t-sm: .9rem;
  --t-base: clamp(1rem, .96rem + .2vw, 1.0625rem);
  --t-lg: clamp(1.125rem, 1.05rem + .35vw, 1.3rem);
  --t-h3: clamp(1.2rem, 1.1rem + .5vw, 1.45rem);
  --t-h2: clamp(1.75rem, 1.3rem + 2vw, 2.85rem);
  --t-h1: clamp(2.3rem, 1.4rem + 4.2vw, 4.75rem);
  --t-display: clamp(2.6rem, 1.4rem + 5.6vw, 5.6rem);

  --gutter: clamp(1.1rem, .6rem + 2.4vw, 2.5rem);
  --max: 1280px;
  --narrow: 720px;
  --sec: clamp(4rem, 2.5rem + 6vw, 8.5rem);
  --header-h: 72px;
  --radius: 2px;
  --ease: cubic-bezier(.2,.7,.2,1);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--white);
  color: var(--charcoal);
  font-family: var(--f-body);
  font-size: var(--t-base);
  line-height: 1.65;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--champagne); outline-offset: 3px; border-radius: 1px; }
[lang="bn"], .bn { font-family: var(--f-bn); letter-spacing: 0; }
h1, h2, h3, h4 { font-family: var(--f-display); color: var(--navy); font-weight: 600; letter-spacing: -.022em; line-height: 1.08; margin: 0; text-wrap: balance; }
h1 { font-size: var(--t-h1); }
h2 { font-size: var(--t-h2); }
h3 { font-size: var(--t-h3); letter-spacing: -.012em; line-height: 1.25; }
p { margin: 0; text-wrap: pretty; }
em.serif, .serif { font-family: var(--f-serif); font-style: italic; font-weight: 400; letter-spacing: -.01em; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--navy); color: #fff; padding: .6rem 1rem; z-index: 100; }
.skip:focus { left: 8px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- layout primitives ---------- */
.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.narrow { max-width: var(--narrow); }
.sec { padding-block: var(--sec); }
.sec--tight { padding-block: calc(var(--sec) * .6); }
.bg-ivory { background: var(--ivory); }
.bg-navy { background: var(--navy); color: var(--on-navy); }
.bg-navy h1, .bg-navy h2, .bg-navy h3 { color: #fff; }
.stack { display: grid; gap: 1.1rem; }
.stack-lg { display: grid; gap: 2rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .7rem;
  font-family: var(--f-display); font-size: var(--t-xs); font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; color: var(--steel);
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--champagne); }
.bg-navy .eyebrow { color: var(--on-navy-soft); }
.lede { font-size: var(--t-lg); line-height: 1.6; color: var(--ink-soft); max-width: 62ch; }
.bg-navy .lede { color: var(--on-navy-soft); }
.muted { color: var(--ink-soft); }
.small { font-size: var(--t-sm); }
.rule { border: 0; border-top: 1px solid var(--border); margin: 0; }

.sec-head { display: grid; gap: 1rem; margin-bottom: clamp(2.2rem, 4vw, 3.5rem); max-width: 760px; }
.sec-head--split { max-width: none; grid-template-columns: 1fr; align-items: end; }
@media (min-width: 900px) { .sec-head--split { grid-template-columns: 1.2fr 1fr; gap: 3rem; } }

/* ---------- buttons & links ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  min-height: 48px; padding: .8rem 1.4rem;
  font-family: var(--f-display); font-weight: 600; font-size: .95rem; letter-spacing: .005em;
  text-decoration: none; border-radius: var(--radius); border: 1px solid transparent;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
  cursor: pointer; white-space: nowrap;
}
.btn--primary { background: var(--navy); color: #fff; }
.btn--primary:hover { background: var(--navy-2); }
.btn--ghost { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn--ghost:hover { background: var(--navy); color: #fff; }
.bg-navy .btn--primary, .btn--light { background: var(--ivory); color: var(--navy); }
.bg-navy .btn--primary:hover, .btn--light:hover { background: #fff; }
.bg-navy .btn--ghost { border-color: rgba(255,255,255,.4); color: #fff; }
.bg-navy .btn--ghost:hover { background: #fff; color: var(--navy); }
.btn .arr { transition: transform .25s var(--ease); }
.btn:hover .arr { transform: translateX(3px); }
.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; }

.link-arrow {
  display: inline-flex; gap: .55rem; align-items: center;
  font-family: var(--f-display); font-weight: 600; font-size: .95rem; color: var(--navy);
  text-decoration: none; border-bottom: 1px solid var(--champagne); padding-bottom: .2rem;
}
.link-arrow:hover { border-bottom-color: var(--navy); }
.bg-navy .link-arrow { color: #fff; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: rgba(255,255,255,.92);
  -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s, background .3s;
}
.site-header.is-scrolled { border-bottom-color: var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: var(--header-h); }
.brand { display: grid; text-decoration: none; line-height: 1.1; gap: .2rem; }
.brand__name { font-family: var(--f-display); font-weight: 700; font-size: 1.06rem; color: var(--navy); letter-spacing: -.015em; }
.brand__name span { font-weight: 500; color: var(--steel); }
.brand__role { font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--steel); font-family: var(--f-display); font-weight: 600; }

.nav { display: none; }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: .15rem; }
.nav a, .nav button.nav-drop {
  display: inline-flex; align-items: center; gap: .3rem; padding: .55rem .7rem;
  font-family: var(--f-display); font-weight: 500; font-size: .92rem; color: var(--charcoal);
  text-decoration: none; background: none; border: 0; cursor: pointer; position: relative;
}
.nav a::after, .nav button.nav-drop::after {
  content: ""; position: absolute; left: .7rem; right: .7rem; bottom: .3rem; height: 1px;
  background: var(--champagne); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav a:hover::after, .nav a[aria-current="page"]::after, .nav button.nav-drop:hover::after, .nav .is-current > button.nav-drop::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--navy); font-weight: 600; }
.has-drop { position: relative; }
.drop {
  position: absolute; top: calc(100% + 8px); left: -.5rem; min-width: 300px;
  background: #fff; border: 1px solid var(--border); box-shadow: 0 24px 50px -24px rgba(16,27,43,.28);
  padding: .5rem; display: grid; opacity: 0; visibility: hidden; transform: translateY(-4px);
  transition: opacity .2s, transform .2s var(--ease), visibility .2s;
}
.has-drop.is-open .drop { opacity: 1; visibility: visible; transform: none; }
.drop a { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem .8rem; }
.drop a::after { display: none; }
.drop a:hover { background: var(--ivory); }
.drop .lvl { font-variant-numeric: tabular-nums; font-size: .75rem; color: var(--steel); letter-spacing: .04em; }
.drop .drop-all { border-top: 1px solid var(--border); margin-top: .3rem; padding-top: .8rem; color: var(--navy); font-weight: 600; }
.header-cta { display: none; }
.burger {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 46px; height: 46px; border: 1px solid var(--border); background: #fff; cursor: pointer; padding: 0 12px; border-radius: var(--radius);
}
.burger span { display: block; height: 1.5px; background: var(--navy); transition: transform .3s var(--ease), opacity .2s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (min-width: 1140px) {
  .nav { display: block; }
  .header-cta { display: inline-flex; }
  .burger { display: none; }
}

/* mobile drawer */
.drawer {
  position: fixed; inset: 0; z-index: 60; background: var(--navy); color: #fff;
  padding: calc(env(safe-area-inset-top, 0px) + 1rem) var(--gutter) calc(env(safe-area-inset-bottom, 0px) + 1.5rem);
  display: flex; flex-direction: column; overflow-y: auto;
  opacity: 0; visibility: hidden; transition: opacity .3s var(--ease), visibility .3s;
}
.drawer.is-open { opacity: 1; visibility: visible; }
.drawer__top { display: flex; justify-content: space-between; align-items: center; min-height: 56px; }
.drawer__top .brand__name { color: #fff; }
.drawer__close { width: 46px; height: 46px; background: transparent; border: 1px solid var(--line-navy); color: #fff; font-size: 1.4rem; cursor: pointer; border-radius: var(--radius); }
.drawer nav { margin-top: 1.5rem; }
.drawer ul { list-style: none; margin: 0; padding: 0; }
.drawer li { border-bottom: 1px solid var(--line-navy); }
.drawer a.d-link { display: flex; justify-content: space-between; align-items: baseline; padding: 1rem 0; text-decoration: none; font-family: var(--f-display); font-size: 1.5rem; font-weight: 500; letter-spacing: -.02em; }
.drawer a.d-link[aria-current="page"] { color: var(--champagne); }
.drawer .d-sub { display: grid; gap: .1rem; padding: 0 0 1rem 0; }
.drawer .d-sub a { display: flex; justify-content: space-between; padding: .45rem 0; color: var(--on-navy-soft); text-decoration: none; font-size: 1rem; }
.drawer .d-sub .lvl { font-size: .78rem; color: var(--steel); }
.drawer__foot { margin-top: auto; padding-top: 2rem; display: grid; gap: 1rem; }
.drawer__foot .hot { font-family: var(--f-display); font-size: 1.9rem; font-weight: 600; color: #fff; text-decoration: none; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
body.no-scroll { overflow: hidden; }

/* mobile call bar */
.callbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: grid; grid-template-columns: 1.25fr 1fr; gap: 1px; background: var(--line-navy);
  padding-bottom: env(safe-area-inset-bottom, 0px); background-color: var(--navy);
  border-top: 1px solid rgba(255,255,255,.08);
}
.callbar a { display: flex; align-items: center; justify-content: center; gap: .5rem; min-height: 56px; color: #fff; text-decoration: none; font-family: var(--f-display); font-weight: 600; font-size: .95rem; background: var(--navy); }
.callbar a + a { border-left: 1px solid var(--line-navy); color: var(--on-navy-soft); }
.callbar .num { font-variant-numeric: tabular-nums; }
@media (max-width: 1139px) { body { padding-bottom: calc(56px + env(safe-area-inset-bottom, 0px)); } }
@media (min-width: 1140px) { .callbar { display: none; } }

/* ---------- breadcrumbs ---------- */
.crumbs { font-size: var(--t-xs); color: var(--steel); letter-spacing: .02em; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; padding: 0; margin: 0; }
.crumbs li:not(:last-child)::after { content: "/"; margin-left: .4rem; color: var(--border); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--navy); }
.bg-navy .crumbs, .bg-navy .crumbs a { color: var(--on-navy-soft); }

/* ---------- column ruler (signature element) ---------- */
.ruler { display: grid; gap: 3px; width: 10px; }
.ruler i { display: block; height: 4px; background: var(--border); border-radius: 1px; }
.ruler i.sacrum { height: 18px; border-radius: 1px 1px 5px 5px; }
.ruler i.on { background: var(--champagne); }
.ruler-wrap { display: grid; grid-template-columns: auto auto; gap: .8rem; align-items: start; }
.ruler-labels { display: grid; font-size: .66rem; letter-spacing: .1em; color: var(--steel); font-family: var(--f-display); font-weight: 600; text-transform: uppercase; }
.bg-navy .ruler i { background: rgba(255,255,255,.14); }
.bg-navy .ruler i.on { background: var(--champagne); }

/* ---------- home hero ---------- */
.hero { background: var(--ivory); position: relative; overflow: hidden; }
.hero__grid { display: grid; gap: 2rem; padding-top: clamp(2rem, 4vw, 4.5rem); }
.hero__text { display: grid; gap: 1.6rem; align-content: center; padding-bottom: 1rem; }
.hero h1 { font-size: var(--t-display); line-height: .98; letter-spacing: -.035em; }
.hero h1 .first { display: block; font-size: .34em; letter-spacing: -.005em; font-weight: 500; color: var(--steel); margin-bottom: .55em; line-height: 1.2; }
.hero__tag { font-family: var(--f-serif); font-size: clamp(1.35rem, 1rem + 1.4vw, 2.05rem); line-height: 1.25; color: var(--navy); max-width: 26ch; }
.hero__tag em { color: var(--champagne); font-style: italic; }
.hero__meta { display: grid; gap: .35rem; font-size: var(--t-sm); color: var(--ink-soft); }
.hero__meta strong { color: var(--navy); font-weight: 600; font-family: var(--f-display); }
.hero__bn { font-family: var(--f-bn); font-size: 1.05rem; color: var(--navy); }
.hero__media { position: relative; align-self: end; margin-inline: calc(var(--gutter) * -1); }
.hero__media img { width: 100%; max-width: 760px; margin-inline: auto; mix-blend-mode: multiply; animation: rise 1.1s var(--ease) both; }
.hero__badge {
  position: absolute; left: var(--gutter); bottom: 1.4rem; background: var(--navy); color: #fff;
  padding: .9rem 1.1rem; display: grid; gap: .15rem; max-width: 260px; font-size: .8rem; line-height: 1.4;
}
.hero__badge b { font-family: var(--f-display); font-weight: 600; font-size: .95rem; }
.hero__badge span { color: var(--on-navy-soft); }
.hero__rail { display: none; }
@media (max-width: 599px) { .hero__badge { display: none; } }
@media (min-width: 960px) {
  .hero__grid { grid-template-columns: minmax(0, 1.08fr) auto minmax(0, 1fr); gap: clamp(1.5rem, 3vw, 3rem); }
  .hero__text { padding-bottom: clamp(3rem, 6vw, 6rem); }
  .hero__rail { display: grid; align-self: center; }
  .hero__media { margin-inline: 0 calc(var(--gutter) * -1); }
  .hero__badge { left: auto; right: var(--gutter); bottom: 2.4rem; }
}
@keyframes rise { from { opacity: .001; transform: translateY(18px); } to { opacity: 1; transform: none; } }

.cred-strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--white); }
.cred-strip ul { list-style: none; margin: 0; padding: 1.1rem 0; display: flex; flex-wrap: wrap; gap: .5rem 0; justify-content: space-between; }
.cred-strip li { font-family: var(--f-display); font-weight: 600; font-size: .9rem; color: var(--navy); letter-spacing: .01em; padding-inline: .2rem; }
.cred-strip li span { display: block; font-weight: 500; color: var(--steel); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
@media (max-width: 700px) { .cred-strip ul { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem .5rem; } }

/* ---------- documentary ---------- */
.doc { position: relative; overflow: hidden; }
.doc__grid { display: grid; gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
@media (min-width: 960px) { .doc__grid { grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); } }
.player { position: relative; aspect-ratio: 16 / 9; background: #0B1320; overflow: hidden; max-width: 100%; }
.player img { width: 100%; height: 100%; object-fit: cover; object-position: 60% 30%; transition: transform 1.2s var(--ease), opacity .4s; opacity: .88; }
.player:hover img { transform: scale(1.025); opacity: 1; }
.player::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(16,27,43,0) 40%, rgba(16,27,43,.75)); pointer-events: none; }
.player iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.player__btn {
  position: absolute; inset: 0; z-index: 2; display: flex; align-items: flex-end; justify-content: flex-start; gap: 1rem;
  padding: clamp(1rem, 3vw, 2rem); background: none; border: 0; cursor: pointer; text-decoration: none; color: #fff; text-align: left;
}
.play {
  flex: none; width: clamp(58px, 7vw, 84px); aspect-ratio: 1; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.55); display: grid; place-items: center;
  background: rgba(16,27,43,.35); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  transition: background .3s var(--ease), border-color .3s, transform .4s var(--ease);
}
.play svg { width: 34%; height: 34%; margin-left: 8%; fill: #fff; }
.player__btn:hover .play, .player__btn:focus-visible .play { background: var(--champagne); border-color: var(--champagne); transform: scale(1.05); }
.player__label { display: grid; gap: .15rem; font-family: var(--f-display); }
.player__label b { font-size: clamp(1rem, .9rem + .5vw, 1.25rem); font-weight: 600; }
.player__label span { font-size: .8rem; color: var(--on-navy-soft); letter-spacing: .08em; text-transform: uppercase; }
.doc__text { display: grid; gap: 1.4rem; }
.doc__text h2 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.4rem); }
.doc__text h2 em { color: var(--champagne); }

/* ---------- treatment index (home + overview) ---------- */
.tindex { border-top: 1px solid var(--border); }
.tindex__group { display: grid; gap: 0; }
.tindex__head { display: flex; justify-content: space-between; align-items: baseline; padding: 1.5rem 0 .6rem; font-family: var(--f-display); font-size: var(--t-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--steel); font-weight: 600; }
.trow {
  display: grid; grid-template-columns: 4.8rem minmax(0, 1fr) auto; gap: 1rem; align-items: center;
  padding: 1.35rem 0; border-bottom: 1px solid var(--border); text-decoration: none; position: relative;
  transition: padding .35s var(--ease);
}
.trow__lvl { font-family: var(--f-display); font-weight: 600; font-size: .82rem; color: var(--steel); font-variant-numeric: tabular-nums; letter-spacing: .02em; }
.trow__main { display: grid; gap: .25rem; min-width: 0; }
.trow__title { font-family: var(--f-display); font-weight: 600; font-size: clamp(1.25rem, 1rem + 1.2vw, 2rem); color: var(--navy); letter-spacing: -.025em; line-height: 1.15; }
.trow__bn { font-family: var(--f-bn); color: var(--ink-soft); font-size: .95rem; }
.trow__lede { display: none; color: var(--ink-soft); font-size: var(--t-sm); max-width: 46ch; }
.trow__go { width: 44px; height: 44px; border: 1px solid var(--border); border-radius: 50%; display: grid; place-items: center; color: var(--navy); transition: background .3s, color .3s, border-color .3s; }
.trow:hover .trow__go { background: var(--navy); color: #fff; border-color: var(--navy); }
.trow__thumb { display: none; }
@media (min-width: 900px) {
  .trow { grid-template-columns: 6rem minmax(0, 1.1fr) minmax(0, 1fr) auto; gap: 2rem; padding: 1.7rem 0; }
  .trow__lede { display: block; }
  .trow:hover { padding-left: .8rem; }
  .trow__thumb {
    display: block; position: absolute; right: 5.5rem; top: 50%; width: 220px; aspect-ratio: 1536/949; object-fit: cover;
    transform: translateY(-50%) scale(.96); opacity: 0; pointer-events: none; transition: opacity .35s, transform .45s var(--ease);
    box-shadow: 0 30px 60px -30px rgba(16,27,43,.5); z-index: 2;
  }
  .trow:hover .trow__thumb { opacity: 1; transform: translateY(-50%) scale(1); }
}

/* ---------- about split ---------- */
.split { display: grid; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
@media (min-width: 960px) { .split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .split--rev > :first-child { order: 2; } }
.frame { position: relative; }
.frame img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.frame--wide img { aspect-ratio: 3 / 2; }
.frame figcaption { font-size: var(--t-xs); color: var(--steel); margin-top: .7rem; letter-spacing: .02em; }
.frame::before { content: ""; position: absolute; left: -14px; top: 14px; bottom: -14px; width: 1px; background: var(--champagne); }

.facts { list-style: none; margin: 0; padding: 0; display: grid; border-top: 1px solid var(--border); }
.facts li { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: 1.2rem; padding: 1.1rem 0; border-bottom: 1px solid var(--border); align-items: baseline; }
.facts b { font-family: var(--f-display); font-weight: 600; font-size: 1.6rem; color: var(--navy); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.facts span { color: var(--ink-soft); font-size: var(--t-sm); }

/* ---------- qualifications ---------- */
.quals { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.qual { padding: 1.6rem 1.4rem; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); display: grid; gap: .5rem; align-content: start; }
.qual b { font-family: var(--f-display); font-size: 1.5rem; font-weight: 600; color: var(--navy); letter-spacing: -.02em; }
.qual .where { font-size: var(--t-xs); letter-spacing: .1em; text-transform: uppercase; color: var(--steel); font-weight: 600; font-family: var(--f-display); }
.qual p { font-size: var(--t-sm); color: var(--ink-soft); }

/* ---------- timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0; display: grid; }
.tl { display: grid; grid-template-columns: 5.6rem minmax(0, 1fr); gap: 1.4rem; padding: 1.3rem 0; border-bottom: 1px solid var(--border); position: relative; }
.tl:first-child { border-top: 1px solid var(--border); }
.tl__yr { font-family: var(--f-display); font-weight: 600; color: var(--navy); font-variant-numeric: tabular-nums; font-size: 1.05rem; }
.tl__yr small { display: block; font-weight: 500; color: var(--steel); font-size: .78rem; }
.tl h3 { font-size: 1.12rem; }
.tl p { font-size: var(--t-sm); color: var(--ink-soft); margin-top: .2rem; }
.tl--now .tl__yr { color: var(--champagne); }
.tl__date { display: block; margin-top: .35rem; font-size: var(--t-xs); color: var(--steel); font-variant-numeric: tabular-nums; }

/* ---------- research ---------- */
.pubs { display: grid; gap: 0; counter-reset: pub; }
.pub { display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: 1rem; padding: 1.2rem 0; border-bottom: 1px solid var(--border); }
.pub::before { counter-increment: pub; content: counter(pub, decimal-leading-zero); font-family: var(--f-display); font-weight: 600; color: var(--steel); font-size: .85rem; font-variant-numeric: tabular-nums; padding-top: .15rem; }
.pub p { font-size: .96rem; line-height: 1.6; }
.pub mark { background: none; color: var(--navy); font-weight: 600; }
.pubgroup { display: grid; gap: .3rem; margin-top: 3rem; }
.pubgroup:first-child { margin-top: 0; }
.pubgroup__head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1rem; align-items: baseline; padding-bottom: .8rem; border-bottom: 1px solid var(--navy); }
.pubgroup__head h2 { font-size: var(--t-h3); }
.pubgroup__head span { font-size: var(--t-xs); letter-spacing: .1em; text-transform: uppercase; color: var(--steel); font-weight: 600; font-family: var(--f-display); }
.tally { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr)); gap: 0; border-top: 1px solid var(--line-navy); }
.tally div { padding: 1.4rem 1rem 1.4rem 0; border-bottom: 1px solid var(--line-navy); display: grid; gap: .25rem; }
.tally b { font-family: var(--f-display); font-size: clamp(2rem, 1.6rem + 1.6vw, 3rem); font-weight: 600; color: #fff; letter-spacing: -.03em; font-variant-numeric: tabular-nums; line-height: 1; }
.tally span { color: var(--on-navy-soft); font-size: var(--t-sm); }
.cite-list { display: grid; gap: 0; border-top: 1px solid var(--border); }
.cite { padding: 1.2rem 0; border-bottom: 1px solid var(--border); display: grid; gap: .35rem; }
.cite .jr { font-size: var(--t-xs); letter-spacing: .08em; text-transform: uppercase; color: var(--steel); font-weight: 600; font-family: var(--f-display); }
.cite p { font-family: var(--f-display); font-weight: 600; color: var(--navy); font-size: 1.08rem; line-height: 1.35; letter-spacing: -.01em; }

/* ---------- gallery ---------- */
.mosaic { display: grid; gap: .75rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.mosaic a { display: block; overflow: hidden; position: relative; background: var(--ivory); }
.mosaic img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 3 / 2; transition: transform .9s var(--ease); }
.mosaic a:hover img { transform: scale(1.04); }
@media (min-width: 900px) {
  .mosaic { grid-template-columns: repeat(12, minmax(0, 1fr)); grid-auto-rows: clamp(120px, 12vw, 190px); gap: 1rem; }
  .mosaic img { aspect-ratio: auto; }
  .mosaic a:nth-child(1) { grid-column: span 7; grid-row: span 3; }
  .mosaic a:nth-child(2) { grid-column: span 5; grid-row: span 2; }
  .mosaic a:nth-child(3) { grid-column: span 5; grid-row: span 2; }
  .mosaic a:nth-child(4) { grid-column: span 4; grid-row: span 2; }
  .mosaic a:nth-child(5) { grid-column: span 3; grid-row: span 2; }
}
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2rem; }
.chip { min-height: 40px; padding: .45rem 1rem; border: 1px solid var(--border); background: #fff; cursor: pointer; font-family: var(--f-display); font-weight: 500; font-size: .88rem; border-radius: 999px; color: var(--charcoal); transition: all .2s; }
.chip[aria-pressed="true"] { background: var(--navy); color: #fff; border-color: var(--navy); }
.chip:hover { border-color: var(--navy); }
.grid-gallery { display: grid; gap: clamp(.75rem, 1.6vw, 1.4rem); grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); }
.gitem { display: grid; gap: .6rem; text-decoration: none; }
.gitem__img { overflow: hidden; background: var(--ivory); }
.gitem img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; transition: transform .9s var(--ease); }
.gitem:hover img { transform: scale(1.04); }
.gitem figcaption { font-size: var(--t-sm); color: var(--ink-soft); line-height: 1.45; display: grid; gap: .15rem; }
.gitem figcaption b { font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--steel); font-family: var(--f-display); font-weight: 600; }
.posters { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); }
.posters .gitem img { aspect-ratio: 5 / 6; object-position: top; }

/* lightbox */
.lb { position: fixed; inset: 0; z-index: 80; background: rgba(9,15,25,.96); display: grid; grid-template-rows: auto minmax(0, 1fr) auto; padding: calc(env(safe-area-inset-top, 0px) + .5rem) .5rem calc(env(safe-area-inset-bottom, 0px) + .5rem); color: #fff; }
.lb[hidden] { display: none; }
.lb__bar { display: flex; justify-content: space-between; align-items: center; padding: .25rem .5rem; font-size: var(--t-sm); color: var(--on-navy-soft); font-variant-numeric: tabular-nums; }
.lb__stage { display: grid; place-items: center; min-height: 0; position: relative; }
.lb__stage img { max-height: 100%; max-width: 100%; object-fit: contain; }
.lb__cap { text-align: center; padding: .8rem 1rem 0; font-size: var(--t-sm); color: var(--on-navy); max-width: 70ch; margin-inline: auto; }
.lb button { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.18); color: #fff; width: 48px; height: 48px; border-radius: 50%; cursor: pointer; font-size: 1.2rem; display: grid; place-items: center; }
.lb button:hover { background: rgba(255,255,255,.16); }
.lb__prev, .lb__next { position: absolute; top: 50%; transform: translateY(-50%); }
.lb__prev { left: .5rem; } .lb__next { right: .5rem; }

/* ---------- videos ---------- */
.vgrid { display: grid; gap: 1.4rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.vcard { display: grid; gap: .7rem; text-decoration: none; }
.vcard .player { aspect-ratio: 16/9; }
.vcard .player::after { background: linear-gradient(180deg, rgba(16,27,43,0) 30%, rgba(16,27,43,.7)); }
.vcard .play { width: 54px; }
.vthumb-fallback { position: absolute; inset: 0; display: grid; place-items: center; background: radial-gradient(120% 90% at 20% 10%, #22324A 0%, var(--navy) 60%); }
.vthumb-fallback span { font-family: var(--f-display); font-weight: 600; font-size: 3.4rem; color: rgba(255,255,255,.07); letter-spacing: -.04em; }
.vcard__meta { display: grid; gap: .25rem; font-size: var(--t-sm); color: var(--ink-soft); }
.vcard__meta b { font-family: var(--f-bn); color: var(--navy); font-weight: 600; font-size: 1.02rem; line-height: 1.45; }

/* ---------- chambers ---------- */
.chambers { display: grid; gap: 1.5rem; }
@media (min-width: 900px) { .chambers { grid-template-columns: 1fr 1fr; } }
.chamber { background: #fff; border: 1px solid var(--border); padding: clamp(1.5rem, 3vw, 2.5rem); display: grid; gap: 1.4rem; align-content: start; }
.bg-ivory .chamber { border-color: transparent; }
.chamber__tag { display: flex; justify-content: space-between; align-items: center; font-family: var(--f-display); font-size: var(--t-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--steel); font-weight: 600; }
.chamber h3 { font-size: clamp(1.4rem, 1.1rem + 1vw, 1.9rem); letter-spacing: -.02em; }
.chamber .bn-name { font-family: var(--f-bn); color: var(--ink-soft); margin-top: .3rem; }
.dl { display: grid; gap: 0; margin: 0; border-top: 1px solid var(--border); }
.dl div { display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); gap: 1rem; padding: .9rem 0; border-bottom: 1px solid var(--border); }
.dl dt { font-size: var(--t-xs); letter-spacing: .1em; text-transform: uppercase; color: var(--steel); font-weight: 600; font-family: var(--f-display); padding-top: .2rem; }
.dl dd { margin: 0; color: var(--charcoal); }
.dl dd .bn { display: block; color: var(--ink-soft); font-size: .92rem; }
.dl .closed { display: block; font-size: var(--t-sm); color: var(--steel); }
.phones { display: flex; flex-wrap: wrap; gap: .4rem .9rem; }
.phones a { font-family: var(--f-display); font-weight: 600; color: var(--navy); font-variant-numeric: tabular-nums; text-decoration: none; border-bottom: 1px solid var(--champagne); }

.hotline { display: grid; gap: .4rem; }
.hotline__num { white-space: nowrap; font-family: var(--f-display); font-weight: 600; font-size: clamp(2.3rem, 1.2rem + 3.6vw, 4.2rem); letter-spacing: -.035em; line-height: 1; color: #fff; text-decoration: none; font-variant-numeric: tabular-nums; }
.hotline__num:hover { color: var(--champagne); }
.cta-band__grid { display: grid; gap: 2rem; align-items: end; }
@media (min-width: 900px) { .cta-band__grid { grid-template-columns: 1.2fr 1fr; } }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--border); }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 1.5rem; padding: 1.35rem 0; font-family: var(--f-display); font-weight: 600; font-size: 1.1rem; color: var(--navy); letter-spacing: -.01em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 400; font-size: 1.5rem; line-height: 1; color: var(--steel); transition: transform .3s var(--ease); flex: none; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding: 0 0 1.5rem; color: var(--ink-soft); max-width: 68ch; }

/* ---------- page heads ---------- */
.phead { background: var(--ivory); padding-block: clamp(2rem, 4vw, 3.5rem) clamp(3rem, 6vw, 5.5rem); }
.phead__inner { display: grid; gap: 1.4rem; }
.phead h1 { max-width: 18ch; }
.phead--navy { background: var(--navy); color: var(--on-navy); }
.phead--navy h1 { color: #fff; }

/* treatment page */
.tx-hero { background: var(--ivory); }
.tx-hero__grid { display: grid; gap: 2rem; padding-block: clamp(2rem, 4vw, 3.5rem) clamp(2.5rem, 5vw, 4.5rem); align-items: end; }
@media (min-width: 960px) { .tx-hero__grid { grid-template-columns: auto minmax(0, 1fr) minmax(0, 1fr); gap: 3rem; } }
.tx-hero__rail { display: none; }
@media (min-width: 960px) { .tx-hero__rail { display: grid; align-self: center; } }
.tx-hero__text { display: grid; gap: 1.2rem; }
.tx-hero__aka { font-family: var(--f-serif); font-style: italic; font-size: clamp(1.15rem, 1rem + .6vw, 1.5rem); color: var(--steel); }
.tx-hero__meta { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; font-size: var(--t-sm); color: var(--ink-soft); }
.tx-hero__meta b { color: var(--navy); font-family: var(--f-display); font-weight: 600; }
.tx-hero img { width: 100%; aspect-ratio: 1536/949; object-fit: cover; }

.tx-body { display: grid; gap: 3rem; }
@media (min-width: 1000px) { .tx-body { grid-template-columns: 15rem minmax(0, 1fr); gap: 5rem; } }
.toc { display: none; }
@media (min-width: 1000px) {
  .toc { display: block; position: sticky; top: calc(var(--header-h) + 2rem); align-self: start; }
  .toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: .1rem; border-left: 1px solid var(--border); }
  .toc a { display: block; padding: .45rem 0 .45rem 1rem; text-decoration: none; font-size: var(--t-sm); color: var(--ink-soft); margin-left: -1px; border-left: 1px solid transparent; }
  .toc a:hover, .toc a.is-active { color: var(--navy); border-left-color: var(--champagne); }
}
.prose { display: grid; gap: clamp(2.5rem, 5vw, 4rem); max-width: 760px; min-width: 0; }
.prose section { display: grid; gap: 1rem; }
.prose h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); }
.prose p { color: var(--ink-soft); }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; border-top: 1px solid var(--border); }
.ticks li { padding: .85rem 0 .85rem 1.8rem; border-bottom: 1px solid var(--border); position: relative; color: var(--charcoal); }
.ticks li::before { content: ""; position: absolute; left: 0; top: 1.45rem; width: 12px; height: 1px; background: var(--champagne); }
.two { display: grid; gap: 1.5rem; }
@media (min-width: 760px) { .two { grid-template-columns: 1fr 1fr; } }
.panel { background: var(--ivory); padding: 1.6rem; display: grid; gap: .9rem; align-content: start; }
.panel h3 { font-size: 1.1rem; }
.panel .ticks { border-top-color: rgba(16,27,43,.1); }
.panel .ticks li { border-bottom-color: rgba(16,27,43,.1); font-size: .96rem; }
.alert { border-left: 2px solid #9B3B2E; background: #FBF4F2; padding: 1.3rem 1.4rem; display: grid; gap: .6rem; }
.alert h3 { font-size: 1.05rem; color: #7A2B20; }
.alert ul { margin: 0; padding-left: 1.1rem; color: var(--charcoal); display: grid; gap: .3rem; font-size: .96rem; }
.review-note { font-size: var(--t-xs); color: var(--steel); border: 1px dashed var(--border); padding: .6rem .9rem; letter-spacing: .02em; }
.disclaimer { font-size: var(--t-sm); color: var(--steel); border-top: 1px solid var(--border); padding-top: 1.2rem; }
.related { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); }
.rcard { display: grid; gap: .7rem; text-decoration: none; }
.rcard img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.rcard b { font-family: var(--f-display); color: var(--navy); font-weight: 600; font-size: 1.1rem; letter-spacing: -.01em; }
.rcard span { font-size: var(--t-xs); color: var(--steel); letter-spacing: .06em; }

/* overview cards for treatments page */
.tgrid { display: grid; gap: clamp(1.5rem, 3vw, 2.5rem) clamp(1rem, 2.5vw, 2rem); grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); }
.tcard { display: grid; gap: 1rem; text-decoration: none; align-content: start; }
.tcard__img { overflow: hidden; position: relative; }
.tcard__img img { width: 100%; aspect-ratio: 1536/949; object-fit: cover; transition: transform .9s var(--ease); }
.tcard:hover img { transform: scale(1.04); }
.tcard__lvl { position: absolute; left: 0; top: 0; background: var(--navy); color: #fff; font-family: var(--f-display); font-size: .75rem; font-weight: 600; padding: .4rem .7rem; letter-spacing: .04em; font-variant-numeric: tabular-nums; }
.tcard h2, .tcard h3 { font-size: 1.45rem; }
.tcard p { font-size: var(--t-sm); color: var(--ink-soft); }
.tcard .bn { font-size: .92rem; color: var(--steel); }

/* ---------- footer ---------- */
.site-footer { background: #0B1421; color: var(--on-navy-soft); padding-block: clamp(3.5rem, 6vw, 5.5rem) 2rem; font-size: var(--t-sm); }
.foot-grid { display: grid; gap: 2.5rem; }
@media (min-width: 760px) { .foot-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
@media (min-width: 1100px) { .foot-grid { grid-template-columns: 1.6fr 1fr 1fr 1.3fr; } }
.site-footer h2 { font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: #fff; font-weight: 600; margin-bottom: 1rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.site-footer a { text-decoration: none; color: var(--on-navy-soft); }
.site-footer a:hover { color: #fff; }
.foot-brand { display: grid; gap: .8rem; max-width: 34ch; }
.foot-brand .brand__name { color: #fff; font-size: 1.25rem; }
.foot-brand .bn { color: var(--on-navy); }
.foot-hot { font-family: var(--f-display); font-size: 1.6rem; font-weight: 600; color: #fff !important; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.foot-base { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line-navy); display: flex; flex-wrap: wrap; gap: .8rem 2rem; justify-content: space-between; font-size: .8rem; }

/* misc */
.notice { background: var(--ivory); padding: 1.4rem 1.6rem; border-left: 2px solid var(--champagne); color: var(--ink-soft); font-size: var(--t-sm); }
.copy-btn { background: none; border: 1px solid var(--border); padding: .25rem .6rem; font-size: .75rem; cursor: pointer; border-radius: 999px; color: var(--steel); margin-left: .4rem; vertical-align: middle; }
.bg-navy .copy-btn { border-color: var(--line-navy); color: var(--on-navy-soft); }
.legal { display: grid; gap: 1.2rem; max-width: 72ch; }
.legal h2 { font-size: 1.4rem; margin-top: 1.4rem; }
.legal p, .legal li { color: var(--ink-soft); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
.vcard .player__label { display: none; }
.vcard .player__btn { align-items: center; justify-content: center; }

/* ---------- CMS additions ---------- */
.h1-sub { display: block; font-size: .42em; font-weight: 500; color: var(--steel); letter-spacing: -.01em; margin-top: .35em; }
.sticky-col { position: sticky; top: calc(var(--header-h) + 2rem); }
@media (max-width: 959px) { .sticky-col { position: static; } }
.big-hot { font-family: var(--f-display); font-weight: 600; font-size: clamp(2rem, 1.4rem + 2.6vw, 3.4rem); letter-spacing: -.03em; color: var(--navy); line-height: 1; }
.big-hot a { text-decoration: none; }
.rich { display: grid; gap: 1rem; color: var(--ink-soft); font-size: var(--t-lg); line-height: 1.7; max-width: 68ch; min-width: 0; }
.rich p, .rich ul, .rich ol, .rich blockquote { margin: 0; }
.rich h2, .rich h3 { margin-top: 1rem; }
.rich a { color: var(--navy); }
.rich img { margin-block: .5rem; }
.rich blockquote { border-left: 2px solid var(--champagne); padding-left: 1.2rem; font-family: var(--f-serif); font-size: 1.25em; color: var(--navy); }
.prose .rich { font-size: var(--t-base); }

.foot-base .credit a { color: var(--on-navy); text-decoration: underline; text-decoration-color: var(--champagne); text-underline-offset: .2em; }
.foot-base .credit a:hover { color: #fff; }