/* MillAxis Dental Technology
   Layout: an engineering drawing sheet. Porcelain paper, hairline rules, mono callouts
   like dimension labels, and one graphite CAD viewport band as the centrepiece. */
:root {
  color-scheme: light;
  --paper: #f3f3f0;
  --paper-2: #e9e9e4;
  --surface: #fbfbf9;
  --ink: #141619;
  --ink-2: #50565d;
  --ink-3: #868c93;
  --line: #d5d6d0;
  --graphite: #111315;
  --graphite-2: #1a1d20;
  --graphite-line: #2b2f34;
  --on-dark: #ecedeb;
  --on-dark-2: #9ba1a7;
  --copper: #b06f3c;       /* from the MillAxis mark, deepened for contrast */
  --copper-2: #e2b08a;     /* the mark's original peach */
  --whatsapp: #1f8f55;

  --f-display: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Hanken Grotesk", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --s-1: clamp(2.6rem, 1.4rem + 4.6vw, 5.4rem);
  --s-2: clamp(2rem, 1.3rem + 2.6vw, 3.4rem);
  --s-3: clamp(1.35rem, 1.1rem + 0.9vw, 1.8rem);
  --s-body: 1.0625rem;
  --s-small: 0.9rem;
  --s-mono: 0.72rem;

  --max: 1320px;
  --gutter-l: max(20px, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, env(safe-area-inset-right, 0px));
  --radius: 4px;
  --idc-grid: #8d8f8b;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--f-body); font-size: var(--s-body); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 600; letter-spacing: -0.022em; line-height: 1.04; margin: 0; text-wrap: balance; }
p { margin: 0; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 3px; }
[hidden] { display: none !important; }

.mono { font-family: var(--f-mono); font-size: var(--s-mono); letter-spacing: 0.08em; text-transform: uppercase; font-weight: 500; }
.wrap { max-width: var(--max); margin: 0 auto; padding-left: var(--gutter-l); padding-right: var(--gutter-r); }
.section { padding-block: clamp(4.5rem, 3rem + 6vw, 8.5rem); }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.5rem 3rem; align-items: end; margin-bottom: clamp(2.5rem, 2rem + 2vw, 4rem); }
.section-head h2 { font-size: var(--s-2); }
.section-head p { color: var(--ink-2); max-width: 46ch; }
.eyebrow { display: flex; align-items: center; gap: 0.75rem; color: var(--ink-3); margin-bottom: 1.1rem; }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.lede { font-size: 1.2rem; color: var(--ink-2); max-width: 52ch; }
.draft { display: inline-block; font-family: var(--f-mono); font-size: 0.6rem; letter-spacing: 0.1em; color: var(--copper); border: 1px solid var(--copper); padding: 0.05rem 0.35rem; border-radius: 2px; vertical-align: 0.2em; margin-left: 0.4rem; text-transform: uppercase; }
body.no-draft .draft { display: none; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 0.6rem; padding: 0.95rem 1.4rem; border-radius: var(--radius); font-weight: 600; text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s; font-size: 0.98rem; line-height: 1.1; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--copper); }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-wa { background: var(--whatsapp); color: #fff; }
.btn-wa:hover { background: #17764a; }
.btn svg { width: 18px; height: 18px; flex: none; }
.link-arrow { text-decoration: none; font-weight: 600; display: inline-flex; gap: 0.4rem; align-items: center; }
.link-arrow::after { content: "→"; transition: transform 0.2s; }
.link-arrow:hover::after { transform: translateX(4px); }

/* nav */
.nav { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: color-mix(in srgb, var(--paper) 86%, transparent); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 2rem; height: 64px; }
.brand { display: flex; align-items: center; gap: 0.65rem; text-decoration: none; font-family: var(--f-display); font-weight: 600; font-size: 1.12rem; letter-spacing: -0.01em; white-space: nowrap; }
.brand img { height: 30px; width: auto; }
.brand small { font-family: var(--f-mono); font-size: 0.62rem; letter-spacing: 0.12em; color: var(--ink-3); text-transform: uppercase; font-weight: 500; }
.nav-links { display: flex; gap: 1.6rem; margin-left: auto; }
.nav-links a { text-decoration: none; font-size: 0.93rem; color: var(--ink-2); white-space: nowrap; }
.nav-links a:hover { color: var(--ink); }
.mode-switch { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; background: var(--surface); }
.mode-switch a { text-decoration: none; font-size: 0.82rem; padding: 0.35rem 0.85rem; border-radius: 999px; color: var(--ink-2); white-space: nowrap; }
.mode-switch a[aria-current="page"] { background: var(--ink); color: var(--paper); }
.nav-cta { padding: 0.6rem 1rem; font-size: 0.88rem; white-space: nowrap; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: var(--radius); padding: 0.45rem 0.7rem; cursor: pointer; }
@media (max-width: 1240px) {
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); padding: 0.5rem var(--gutter-r) 1rem var(--gutter-l); }
  .nav-links a { padding: 0.8rem 0; border-bottom: 1px solid var(--line); }
  .nav.is-open .nav-links { display: flex; }
  .nav-toggle { display: inline-block; }
  .nav-cta { display: none; }
}
.only-mobile { display: none; }
@media (max-width: 560px) { .brand small { display: none; } .nav-in { gap: 0.8rem; } .mode-switch { display: none; } .nav-links .only-mobile { display: block; } }

/* hero */
.hero { position: relative; border-bottom: 1px solid var(--line); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 2rem; align-items: center; padding-block: clamp(3rem, 2rem + 4vw, 6rem); }
.hero h1 { font-size: var(--s-1); letter-spacing: -0.035em; line-height: 0.98; margin-bottom: 1.6rem; }
.hero h1 em { font-style: normal; color: var(--copper); }
.hero .lede { margin-bottom: 2.2rem; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.8rem; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin-top: 2.5rem; color: var(--ink-3); }
.hero-visual { position: relative; aspect-ratio: 1 / 1; max-width: 100%; }
.hero-visual interactive-dental-case { position: absolute; inset: 0; }
.frame-marks { position: absolute; inset: 0; pointer-events: none; }
.frame-marks i { position: absolute; width: 14px; height: 14px; border-color: var(--ink-3); border-style: solid; border-width: 0; }
.frame-marks i:nth-child(1) { top: 0; left: 0; border-top-width: 1px; border-left-width: 1px; }
.frame-marks i:nth-child(2) { top: 0; right: 0; border-top-width: 1px; border-right-width: 1px; }
.frame-marks i:nth-child(3) { bottom: 0; left: 0; border-bottom-width: 1px; border-left-width: 1px; }
.frame-marks i:nth-child(4) { bottom: 0; right: 0; border-bottom-width: 1px; border-right-width: 1px; }
.frame-caption { position: absolute; left: 18px; bottom: 14px; color: var(--ink-3); }
.frame-caption-r { left: auto; right: 18px; }
.hero-ruler { position: absolute; left: 0; right: 0; bottom: 0; height: 10px; background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 10px), repeating-linear-gradient(90deg, var(--ink-3) 0 1px, transparent 1px 100px); background-size: auto 6px, auto 10px; background-repeat: repeat-x; background-position: bottom; opacity: 0.6; }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { aspect-ratio: 4 / 3.4; order: 2; }
  .frame-caption-r { display: none; }
  .section-head { grid-template-columns: 1fr; }
}

/* capability strip */
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-bottom: 1px solid var(--line); }
.metric { padding: 1.8rem 1.5rem 1.8rem 0; border-right: 1px solid var(--line); min-width: 0; }
.metric + .metric { padding-left: 1.5rem; }
.metric:last-child { border-right: 0; }
.metric b { display: block; font-family: var(--f-display); font-weight: 600; font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2.1rem); letter-spacing: -0.02em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.metric span { display: block; color: var(--ink-2); font-size: var(--s-small); margin-top: 0.35rem; }
.metric small { display: block; color: var(--ink-3); font-size: 0.75rem; margin-top: 0.2rem; }
@media (max-width: 760px) {
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric { padding: 1.3rem 1rem 1.3rem 0; }
  .metric:nth-child(2) { border-right: 0; }
  .metric:nth-child(3) { padding-left: 0; }
  .metric:nth-child(n+3) { border-top: 1px solid var(--line); }
}

/* services */
.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--ink); }
.service { padding: 1.6rem 1.8rem 2rem 0; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 1.2rem; min-width: 0; }
.service + .service { padding-left: 1.8rem; }
.service:last-child { border-right: 0; }
.service-top { display: flex; justify-content: space-between; align-items: baseline; }
.service h3 { font-size: var(--s-3); }
.service-img { aspect-ratio: 4 / 3; background: var(--paper-2); display: grid; place-items: center; padding: 1.2rem; }
.service-img img { max-height: 100%; width: auto; object-fit: contain; mix-blend-mode: multiply; }
.service > p { color: var(--ink-2); font-size: var(--s-small); }
.service ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.service li a, .service li span.row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.2rem 1rem; padding: 0.85rem 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.service li a:hover b { color: var(--copper); }
.service li b { font-weight: 600; }
.service li em { font-style: normal; color: var(--ink-3); font-size: 0.85rem; grid-column: 1; }
.service li i { font-style: normal; grid-row: 1 / span 2; grid-column: 2; align-self: center; color: var(--ink-3); }
.services-foot { display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center; justify-content: space-between; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
@media (max-width: 900px) {
  .services { grid-template-columns: 1fr; }
  .service, .service + .service { padding: 1.8rem 0; border-right: 0; border-bottom: 1px solid var(--line); }
}

/* dark band: featured case */
.band-dark { background: var(--graphite); color: var(--on-dark); --idc-grid: #3d4349; }
.band-dark .eyebrow { color: var(--on-dark-2); }
.band-dark .section-head p { color: var(--on-dark-2); }
.feature-meta { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--graphite-line); margin-top: 1.5rem; }
.feature-meta div { padding: 1.1rem 1rem 0 0; min-width: 0; }
.feature-meta dt { color: var(--on-dark-2); margin-bottom: 0.3rem; }
.feature-meta dd { margin: 0; font-size: 0.98rem; }
.feature-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; margin-top: 2rem; }
.band-dark .btn-ghost { border-color: var(--on-dark-2); color: var(--on-dark); }
.band-dark .btn-ghost:hover { background: var(--on-dark); color: var(--graphite); }
@media (max-width: 760px) { .feature-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ---------- interactive-dental-case ---------- */
interactive-dental-case { display: block; position: relative; }
.idc-view { position: relative; width: 100%; height: 100%; min-height: 240px; overflow: hidden; touch-action: none; }
.idc-canvas { display: block; width: 100%; height: 100%; cursor: grab; outline: none; }
.idc-canvas:active { cursor: grabbing; }
.idc-labels { position: absolute; inset: 0; pointer-events: none; }
.idc-label { position: absolute; left: 0; top: 0; white-space: nowrap; font-size: 0.62rem; color: var(--ink-2); padding-left: 10px; margin-top: -0.6em; }
.idc-label::before { content: ""; position: absolute; left: 0; top: 50%; width: 6px; height: 1px; background: var(--copper); }
.idc-loading { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 0.8rem; transition: opacity 0.5s; font-family: var(--f-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.idc-loading.is-done { opacity: 0; pointer-events: none; }
.idc-spinner { width: 34px; height: 34px; border: 1px solid currentColor; border-top-color: var(--copper); border-radius: 50%; animation: idc-spin 1s linear infinite; }
@keyframes idc-spin { to { transform: rotate(360deg); } }
.idc-bar { width: 120px; height: 1px; background: color-mix(in srgb, currentColor 30%, transparent); }
.idc-bar i { display: block; height: 100%; width: 0; background: var(--copper); transition: width 0.3s; }
.idc-fallback { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 1rem; padding: 1.5rem; text-align: center; color: var(--ink-2); }
.idc-fallback img { max-height: 60%; width: auto; }
.idc-hud { position: absolute; left: 14px; right: 14px; top: 12px; overflow: hidden; text-overflow: ellipsis; font-size: 0.62rem; color: var(--ink-3); pointer-events: none; white-space: pre; }
.idc-hint { position: absolute; left: 14px; bottom: 12px; font-size: 0.6rem; color: var(--ink-3); pointer-events: none; transition: opacity 0.3s; }
.idc-view.is-active .idc-hint { opacity: 0; }
.idc-viewtools { position: absolute; right: 12px; top: 10px; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px; max-width: 70%; }
.idc-viewtools button { font-family: var(--f-mono); font-size: 0.64rem; letter-spacing: 0.06em; text-transform: uppercase; background: transparent; border: 1px solid var(--line); color: var(--ink-2); padding: 0.4rem 0.6rem; border-radius: 2px; cursor: pointer; min-width: 2.2rem; }
.idc-viewtools button:hover { border-color: var(--copper); color: var(--copper); }
.idc--full { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 0; border: 1px solid var(--line); background: var(--surface); }
.idc--full .idc-view { height: clamp(380px, 62vh, 680px); }
.idc-ui { border-left: 1px solid var(--line); display: flex; flex-direction: column; min-width: 0; }
.idc-stages { display: flex; flex-direction: column; }
.idc-stages button { display: flex; gap: 0.9rem; align-items: baseline; text-align: left; padding: 1rem 1.2rem; background: none; border: 0; border-bottom: 1px solid var(--line); cursor: pointer; font-family: var(--f-display); font-weight: 600; font-size: 1.15rem; letter-spacing: 0.01em; text-transform: uppercase; color: var(--ink-3); transition: color 0.2s, background 0.2s; }
.idc-stages button .mono { color: var(--ink-3); }
.idc-stages button:hover { color: var(--ink); }
.idc-stages button[aria-selected="true"] { color: var(--ink); background: var(--paper); box-shadow: inset 2px 0 0 var(--copper); }
.idc-stages button[aria-selected="true"] .mono { color: var(--copper); }
.idc-caption { padding: 1.1rem 1.2rem; color: var(--ink-2); font-size: 0.92rem; border-bottom: 1px solid var(--line); min-height: 6.5rem; }
.idc-caption strong { display: block; color: var(--ink); font-weight: 600; margin-bottom: 0.2rem; }
.idc-tools { padding: 1rem 1.2rem 1.2rem; display: grid; gap: 1rem; margin-top: auto; }
.idc-parts { border: 0; margin: 0; padding: 0; min-width: 0; }
.idc-parts legend { color: var(--ink-3); margin-bottom: 0.5rem; padding: 0; }
.idc-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.idc-chip { cursor: pointer; }
.idc-chip input { position: absolute; opacity: 0; pointer-events: none; }
.idc-chip span { display: inline-block; font-size: 0.78rem; padding: 0.3rem 0.6rem; border: 1px solid var(--line); border-radius: 2px; color: var(--ink-3); }
.idc-chip input:checked + span { border-color: var(--ink); color: var(--ink); }
.idc-chip input:focus-visible + span { outline: 2px solid var(--copper); outline-offset: 2px; }
.idc-explode { display: grid; grid-template-columns: auto 1fr; gap: 0.8rem; align-items: center; color: var(--ink-3); }
.idc-explode input { accent-color: var(--copper); width: 100%; }
.idc-mesh { display: flex; gap: 0.5rem; align-items: center; color: var(--ink-3); cursor: pointer; }
.idc-mesh input { accent-color: var(--copper); }

/* viewer on dark */
.band-dark .idc--full, .case-dialog .idc--full { background: var(--graphite-2); border-color: var(--graphite-line); }
.band-dark .idc-ui, .case-dialog .idc-ui { border-color: var(--graphite-line); }
.band-dark .idc-stages button, .case-dialog .idc-stages button { border-color: var(--graphite-line); color: var(--on-dark-2); }
.band-dark .idc-stages button:hover, .case-dialog .idc-stages button:hover { color: var(--on-dark); }
.band-dark .idc-stages button[aria-selected="true"], .case-dialog .idc-stages button[aria-selected="true"] { color: var(--on-dark); background: var(--graphite); }
.band-dark .idc-caption, .case-dialog .idc-caption { color: var(--on-dark-2); border-color: var(--graphite-line); }
.band-dark .idc-caption strong, .case-dialog .idc-caption strong { color: var(--on-dark); }
.band-dark .idc-chip span, .case-dialog .idc-chip span { border-color: var(--graphite-line); color: var(--on-dark-2); }
.band-dark .idc-chip input:checked + span, .case-dialog .idc-chip input:checked + span { border-color: var(--on-dark); color: var(--on-dark); }
.band-dark .idc-viewtools button, .case-dialog .idc-viewtools button { border-color: var(--graphite-line); color: var(--on-dark-2); }
.band-dark .idc-hud, .band-dark .idc-hint, .band-dark .idc-loading, .band-dark .idc-explode, .band-dark .idc-mesh, .band-dark .idc-parts legend,
.case-dialog .idc-hud, .case-dialog .idc-hint, .case-dialog .idc-loading, .case-dialog .idc-explode, .case-dialog .idc-mesh, .case-dialog .idc-parts legend { color: var(--on-dark-2); }
.band-dark .idc-label, .case-dialog .idc-label { color: var(--on-dark); }
@media (max-width: 900px) {
  .idc--full { grid-template-columns: 1fr; }
  .idc--full .idc-view { height: min(72vw, 460px); }
  .idc-ui { border-left: 0; border-top: 1px solid var(--line); }
  .band-dark .idc-ui, .case-dialog .idc-ui { border-top-color: var(--graphite-line); }
  .idc-stages { flex-direction: row; overflow-x: auto; scrollbar-width: none; }
  .idc-stages::-webkit-scrollbar { display: none; }
  .idc-stages button { flex: 1 1 0; justify-content: center; border-bottom: 0; border-right: 1px solid var(--line); padding: 0.8rem 0.5rem; font-size: 0.86rem; }
  .idc-stages button .mono { display: none; }
  .idc-viewtools button[data-zoom] { display: none; }
  .idc-viewtools button { padding: 0.35rem 0.5rem; font-size: 0.6rem; min-width: 0; }
  .band-dark .idc-stages button, .case-dialog .idc-stages button { border-right-color: var(--graphite-line); }
  .idc-stages button[aria-selected="true"] { box-shadow: inset 0 -2px 0 var(--copper); }
  .idc-caption { min-height: 0; }
  .idc-viewtools { max-width: 100%; left: 12px; right: 12px; top: auto; bottom: 10px; justify-content: flex-start; }
  .idc-hint { display: none; }
}

/* workflow (scroll driven) */
.workflow { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(2rem, 4vw, 5rem); }
.workflow-viewer { position: sticky; top: calc(64px + 2rem); height: calc(100vh - 64px - 4rem); max-height: 720px; border: 1px solid var(--line); background: var(--surface); align-self: start; }
.workflow-viewer interactive-dental-case { height: 100%; }
.workflow-viewer .frame-caption { z-index: 2; }
.workflow-steps { list-style: none; margin: 0; padding: 0; }
.wf-step { min-height: 62vh; display: flex; flex-direction: column; justify-content: center; gap: 0.9rem; border-top: 1px solid var(--line); padding-block: 2rem; opacity: 0.35; transition: opacity 0.4s; }
.wf-step:last-child { min-height: 50vh; }
.wf-step.is-active { opacity: 1; }
.wf-step .num { font-family: var(--f-display); font-size: 3.6rem; font-weight: 500; color: var(--copper); line-height: 1; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.wf-step h3 { font-size: var(--s-2); }
.wf-step p { color: var(--ink-2); max-width: 40ch; }
.wf-step .tags { display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; color: var(--ink-3); }
@media (max-width: 900px) {
  .workflow { grid-template-columns: 1fr; gap: 0; }
  .workflow-viewer { top: 64px; height: 42vh; z-index: 5; margin-inline: calc(-1 * var(--gutter-l)) calc(-1 * var(--gutter-r)); border-inline: 0; }
  .wf-step { min-height: 55vh; background: var(--paper); }
  .wf-step .num { font-size: 2.6rem; }
}

/* cases grid */
.cases { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.case-card { background: var(--paper); display: flex; flex-direction: column; text-align: left; border: 0; padding: 0; cursor: pointer; min-width: 0; transition: background 0.25s; }
.case-card:hover { background: var(--surface); }
.case-thumb { aspect-ratio: 4 / 3; background: radial-gradient(120% 90% at 50% 40%, var(--surface), var(--paper-2)); position: relative; overflow: hidden; display: grid; place-items: center; }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(.2,.7,.2,1); }
.case-card:hover .case-thumb img { transform: scale(1.04); }
.case-thumb .ph { color: var(--ink-3); }
.case-thumb .badge { position: absolute; left: 12px; top: 10px; color: var(--ink-3); }
.case-body { padding: 1.2rem 1.2rem 1.4rem; display: flex; flex-direction: column; gap: 0.5rem; flex: 1; }
.case-body .mono { color: var(--copper); }
.case-body h3 { font-size: 1.3rem; }
.case-body p { color: var(--ink-2); font-size: 0.9rem; flex: 1; }
.case-body .meta { display: flex; flex-wrap: wrap; gap: 0.3rem 0.9rem; color: var(--ink-3); font-size: 0.78rem; padding-top: 0.7rem; border-top: 1px solid var(--line); }
.case-body .link-arrow { margin-top: 0.4rem; font-size: 0.92rem; }
@media (max-width: 1080px) { .cases { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .cases { grid-template-columns: 1fr; } }

/* case dialog */
.case-dialog { border: 0; padding: 0; margin: auto; width: min(1400px, 100vw - 32px); max-width: none; height: min(900px, 100vh - 32px); max-height: none; background: var(--graphite); color: var(--on-dark); border-radius: var(--radius); --idc-grid: #3d4349; overflow: hidden; }
.case-dialog::backdrop { background: rgba(10, 11, 12, 0.72); backdrop-filter: blur(4px); }
.cd-grid { display: grid; grid-template-columns: minmax(0, 1fr) 400px; grid-template-rows: minmax(0, 1fr); height: 100%; }
.cd-viewer { min-width: 0; min-height: 0; display: flex; }
.cd-viewer interactive-dental-case { flex: 1; display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.case-dialog .idc--full { grid-template-columns: 1fr; grid-template-rows: minmax(0, 1fr) auto; border: 0; height: 100%; }
.case-dialog .idc--full .idc-view { height: auto; flex: 1 1 auto; min-height: 0; }
.case-dialog .idc-ui { flex: none; }
.case-dialog .idc-ui { border-left: 0; border-top: 1px solid var(--graphite-line); }
.case-dialog .idc-stages { flex-direction: row; overflow-x: auto; scrollbar-width: none; }
.case-dialog .idc-stages button { flex: 1 0 auto; border-bottom: 0; border-right: 1px solid var(--graphite-line); padding: 0.85rem 1rem; font-size: 1rem; }
.case-dialog .idc-stages button[aria-selected="true"] { box-shadow: inset 0 -2px 0 var(--copper); }
.case-dialog .idc-caption { min-height: 0; }
.case-dialog .idc-tools { grid-template-columns: minmax(0, 1fr) 220px auto; align-items: center; margin: 0; }
.cd-info { border-left: 1px solid var(--graphite-line); overflow-y: auto; padding: 1.6rem 1.6rem 2rem; display: flex; flex-direction: column; gap: 1.6rem; }
.cd-close { position: absolute; right: 14px; top: 12px; z-index: 5; background: var(--graphite); border: 1px solid var(--graphite-line); color: var(--on-dark); width: 40px; height: 40px; border-radius: 50%; cursor: pointer; font-size: 1.2rem; }
.cd-info .mono { color: var(--copper-2); }
.cd-info h2 { font-size: 2.2rem; margin-top: 0.3rem; }
.cd-info .restoration { color: var(--on-dark-2); margin-top: 0.5rem; }
.cd-info p { color: var(--on-dark-2); font-size: 0.95rem; }
.cd-specs { margin: 0; display: grid; grid-template-columns: auto minmax(0, 1fr); border-top: 1px solid var(--graphite-line); }
.cd-specs dt, .cd-specs dd { padding: 0.65rem 0; border-bottom: 1px solid var(--graphite-line); margin: 0; font-size: 0.9rem; }
.cd-specs dt { color: var(--on-dark-2); padding-right: 1.2rem; font-family: var(--f-mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; align-self: center; }
.cd-flow { display: flex; flex-wrap: wrap; gap: 0.35rem; align-items: center; font-family: var(--f-mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; }
.cd-flow span { border: 1px solid var(--graphite-line); padding: 0.3rem 0.5rem; border-radius: 2px; }
.cd-flow i { font-style: normal; color: var(--copper-2); }
.cd-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.cd-photo { aspect-ratio: 4 / 3; border: 1px dashed var(--graphite-line); display: grid; place-content: center; text-align: center; color: var(--on-dark-2); font-size: 0.75rem; padding: 0.6rem; }
.cd-photo img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 1000px) {
  .case-dialog { width: 100%; height: 100%; max-height: 100%; border-radius: 0; margin: 0; overflow-x: hidden; }
  .cd-grid { grid-template-columns: 1fr; grid-template-rows: auto auto; height: auto; overflow-y: auto; max-height: 100vh; }
  .cd-viewer { height: auto; }
  .case-dialog .idc--full .idc-view { height: 58vh; flex: none; }
  .case-dialog .idc-tools { grid-template-columns: 1fr; }
  .cd-info { border-left: 0; border-top: 1px solid var(--graphite-line); overflow: visible; }
}

/* materials */
.materials { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem; }
.material { display: flex; flex-direction: column; gap: 0.9rem; min-width: 0; }
.material canvas { width: 100%; aspect-ratio: 1 / 1; background: radial-gradient(90% 90% at 50% 45%, var(--surface), var(--paper-2)); display: block; }
.material h3 { font-size: 1.4rem; }
.material .mono { color: var(--ink-3); }
.material dl { margin: 0; border-top: 1px solid var(--line); }
.material dl div { padding: 0.7rem 0; border-bottom: 1px solid var(--line); }
.material dt { font-family: var(--f-mono); font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.material dd { margin: 0.15rem 0 0; font-size: 0.9rem; color: var(--ink-2); }
@media (max-width: 1080px) { .materials { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .materials { grid-template-columns: 1fr; } }

/* why + story */
.why { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem; }
.why-item { border-top: 1px solid var(--ink); padding-top: 1.2rem; display: flex; flex-direction: column; gap: 0.6rem; }
.why-item h3 { font-size: 1.3rem; }
.why-item p { color: var(--ink-2); font-size: 0.95rem; }
.story { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; margin-top: clamp(4rem, 8vw, 7rem); }
.story-img { position: relative; aspect-ratio: 3 / 2; overflow: hidden; background: var(--graphite); }
.story-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.4) contrast(1.05); }
.story-img .frame-caption { color: var(--on-dark); }
.story h3 { font-size: var(--s-2); margin-bottom: 1.2rem; }
.story p { color: var(--ink-2); max-width: 50ch; }
.clients { margin-top: 2rem; border-top: 1px solid var(--line); padding-top: 1.2rem; }
.clients .mono { color: var(--ink-3); }
.clients ul { list-style: none; margin: 1rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center; }
.clients li { display: flex; align-items: center; gap: 0.7rem; font-size: 0.88rem; color: var(--ink-2); }
.clients img { height: 40px; width: auto; mix-blend-mode: multiply; }
@media (max-width: 1000px) { .why { grid-template-columns: repeat(2, minmax(0, 1fr)); } .story { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .why { grid-template-columns: 1fr; } }

/* submission */
.submit { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.submit-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 6rem); align-items: start; }
.submit h2 { font-size: var(--s-1); letter-spacing: -0.035em; line-height: 0.98; margin-bottom: 1.5rem; }
.submit-ctas { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }
.submit-steps { list-style: none; margin: 0; padding: 0; counter-reset: s; border-top: 1px solid var(--ink); }
.submit-steps li { counter-increment: s; display: grid; grid-template-columns: 2.4rem minmax(0, 1fr); gap: 0.2rem 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.submit-steps li::before { content: counter(s, decimal-leading-zero); font-family: var(--f-mono); font-size: 0.75rem; color: var(--copper); padding-top: 0.2rem; grid-row: span 2; }
.submit-steps b { font-weight: 600; }
.submit-steps span { color: var(--ink-2); font-size: 0.9rem; }
.phone-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 1rem; margin-top: 1.4rem; color: var(--ink-2); }
.phone-row b { font-family: var(--f-mono); font-size: 1rem; color: var(--ink); letter-spacing: 0.02em; user-select: all; }
.copy-btn { background: none; border: 1px solid var(--line); border-radius: 2px; padding: 0.3rem 0.6rem; font-family: var(--f-mono); font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; color: var(--ink-2); }
.formats { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-top: 1.2rem; }
.formats span { font-family: var(--f-mono); font-size: 0.7rem; border: 1px solid var(--line); padding: 0.25rem 0.5rem; border-radius: 2px; color: var(--ink-2); }
@media (max-width: 900px) { .submit-grid { grid-template-columns: 1fr; } }

/* contact + footer */
.contact { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem; border-top: 1px solid var(--ink); padding-top: 1.5rem; }
.contact div { min-width: 0; }
.contact dt { color: var(--ink-3); margin-bottom: 0.4rem; }
.contact dd { margin: 0; overflow-wrap: anywhere; }
.contact dd a { text-decoration-color: var(--line); text-underline-offset: 3px; }
.pricelist { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.5rem; align-items: center; margin-top: 3rem; padding: 1.6rem; background: var(--paper-2); }
.pricelist h3 { font-size: 1.5rem; }
.pricelist p { color: var(--ink-2); font-size: 0.92rem; margin-top: 0.3rem; }
.pricelist .acts { display: flex; flex-wrap: wrap; gap: 0.6rem; }
@media (max-width: 900px) { .contact { grid-template-columns: repeat(2, minmax(0, 1fr)); } .pricelist { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .contact { grid-template-columns: 1fr; } }
.footer { border-top: 1px solid var(--line); padding-block: 2rem 2.5rem; color: var(--ink-3); font-size: 0.85rem; }
.footer-in { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; align-items: center; }
.footer a { color: var(--ink-2); text-decoration: none; }

/* ---------- For Dentists page ---------- */
.dent-hero { border-bottom: 1px solid var(--line); padding-block: clamp(2.5rem, 2rem + 3vw, 4.5rem); }
.dent-hero h1 { font-size: var(--s-2); margin-bottom: 1rem; }
.dent-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); padding-block: 3rem 6rem; }
.dent-layout > * { min-width: 0; }
.dent-nav { position: sticky; top: calc(64px + 2rem); align-self: start; display: flex; flex-direction: column; border-top: 1px solid var(--ink); }
.dent-nav a { text-decoration: none; padding: 0.6rem 0; border-bottom: 1px solid var(--line); font-size: 0.9rem; color: var(--ink-2); display: flex; gap: 0.7rem; }
.dent-nav a span { font-family: var(--f-mono); font-size: 0.68rem; color: var(--ink-3); padding-top: 0.15rem; }
.dent-nav a.is-active, .dent-nav a:hover { color: var(--ink); }
.dent-nav a.is-active span { color: var(--copper); }
.dent-sec { padding-bottom: 3.5rem; margin-bottom: 3.5rem; border-bottom: 1px solid var(--line); scroll-margin-top: 90px; }
.dent-sec:last-child { border-bottom: 0; }
.dent-sec > h2 { font-size: var(--s-3); margin-bottom: 0.5rem; }
.dent-sec > .intro { color: var(--ink-2); margin-bottom: 1.6rem; max-width: 62ch; }
.spec-table-wrap { overflow-x: auto; border: 1px solid var(--line); background: var(--surface); }
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; min-width: 520px; }
.spec-table th, .spec-table td { text-align: left; padding: 0.75rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table thead th { font-family: var(--f-mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; background: var(--paper); }
.spec-table td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; font-family: var(--f-mono); font-size: 0.85rem; }
.spec-table th.num { text-align: right; }
.spec-table tr.group td { font-family: var(--f-mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--copper); background: var(--paper); padding-block: 0.5rem; }
.spec-table td small { display: block; color: var(--ink-3); font-size: 0.78rem; }
.price-cat { margin-bottom: 2.2rem; scroll-margin-top: 90px; }
.price-cat h3 { font-size: 1.25rem; display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.4rem 1rem; margin-bottom: 0.6rem; }
.price-cat h3 .mono { color: var(--ink-3); font-weight: 400; }
.price-cat .facts { display: flex; flex-wrap: wrap; gap: 0.3rem 1.4rem; color: var(--ink-2); font-size: 0.85rem; margin-bottom: 0.8rem; }
.price-cat .facts b { font-weight: 600; color: var(--ink); }
.price-cat .notes { color: var(--copper); font-size: 0.85rem; margin-top: 0.6rem; }
.cards-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cards-2 > div { background: var(--surface); padding: 1.3rem; min-width: 0; }
.cards-2 h3 { font-size: 1.15rem; margin-bottom: 0.6rem; }
.cards-2 ul { margin: 0; padding-left: 1.1rem; color: var(--ink-2); font-size: 0.92rem; }
.cards-2 li + li { margin-top: 0.35rem; }
.steps-list { list-style: none; margin: 0; padding: 0; counter-reset: s; }
.steps-list li { counter-increment: s; display: grid; grid-template-columns: 3rem minmax(0, 1fr); padding: 1rem 0; border-top: 1px solid var(--line); }
.steps-list li::before { content: counter(s, decimal-leading-zero); font-family: var(--f-mono); color: var(--copper); font-size: 0.8rem; padding-top: 0.15rem; }
.steps-list b { display: block; }
.steps-list span { color: var(--ink-2); font-size: 0.92rem; }
.formats-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.formats-grid div { background: var(--surface); padding: 1.2rem; }
.formats-grid b { font-family: var(--f-mono); font-size: 1.3rem; display: block; margin-bottom: 0.3rem; }
.formats-grid span { color: var(--ink-2); font-size: 0.88rem; }
.forms-list { display: flex; flex-direction: column; gap: 0.6rem; }
.form-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 0.8rem; padding: 1rem 1.2rem; border: 1px solid var(--line); background: var(--surface); }
.form-row .muted { color: var(--ink-3); font-size: 0.85rem; }
.btn[aria-disabled="true"] { opacity: 0.45; pointer-events: none; }
@media (max-width: 900px) {
  .dent-layout { grid-template-columns: 1fr; }
  .dent-nav { position: static; flex-direction: row; overflow-x: auto; border-top: 0; border-bottom: 1px solid var(--line); gap: 1.2rem; }
  .dent-nav a { border-bottom: 0; white-space: nowrap; }
  .cards-2, .formats-grid { grid-template-columns: 1fr; }
}