/* Brand: cornerstoneacuirvine.life — Cornerstone Acupuncture Institute (cor57) */
:root {
  --cor57-max: 1120px;
  --cor57-pad: clamp(1.1rem, 3.4vw, 1.9rem);
  --cor57-radius: 2px;
  --cor57-ease: cubic-bezier(.22, .7, .25, 1);
  --cor57-paper: color-mix(in srgb, var(--dna-surface, #252a3d) 70%, #cbb9a0 30%);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--dna-font-body, Inter, system-ui, sans-serif);
  color: var(--dna-ink, #f2efe8);
  background:
    radial-gradient(1200px 520px at 12% -10%, color-mix(in srgb, var(--dna-accent, #7a82d4) 18%, transparent), transparent 60%),
    linear-gradient(180deg, color-mix(in srgb, var(--dna-bg, #141824) 92%, #1e2436), var(--dna-bg, #141824));
  background-attachment: fixed;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--dna-accent, #8b93d6); }
h1, h2, h3, .cor57-display {
  font-family: var(--dna-font-display, "Roboto Slab", Georgia, serif);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.18;
  color: var(--dna-ink, #f2efe8);
}
p { margin: 0 0 1rem; color: var(--dna-ink-soft, #b7b3c6); }
ul { margin: 0; padding: 0; list-style: none; }

.cor57-skip {
  position: absolute; left: -999px; top: 0;
  background: var(--dna-surface, #252a3d); color: var(--dna-ink); padding: .65rem 1rem; z-index: 100;
}
.cor57-skip:focus { left: 1rem; top: 1rem; }

.cor57-wrap,
.wrap {
  width: min(100% - 2 * var(--cor57-pad), var(--cor57-max));
  margin-inline: auto;
}

.cor57-btn,
.btn-solid,
.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .45rem; min-height: 48px; padding: .75rem 1.3rem;
  border-radius: var(--cor57-radius); border: 1px solid transparent;
  font: 600 0.95rem/1 var(--dna-font-body, system-ui, sans-serif);
  cursor: pointer; text-decoration: none;
  transition: transform .2s var(--cor57-ease), background .2s, color .2s, border-color .2s;
}
.cor57-btn:hover,
.btn-solid:hover,
.btn-ghost:hover { transform: translateY(-1px); }

.cor57-btn--solid,
.btn-solid {
  background: var(--dna-accent, #8b93d6);
  color: var(--dna-accent-ink, #141824);
  border-color: color-mix(in srgb, var(--dna-accent, #8b93d6) 70%, #fff);
}
.cor57-btn--ghost,
.btn-ghost {
  background: color-mix(in srgb, var(--dna-surface, #252a3d) 55%, transparent);
  color: var(--dna-ink, #f2efe8);
  border-color: color-mix(in srgb, var(--dna-ink, #f2efe8) 28%, transparent);
}

.cor57-btn:focus-visible,
.btn-solid:focus-visible,
.btn-ghost:focus-visible,
.cor57-links a:focus-visible,
.cor57-drawer a:focus-visible,
.cor57-burger:focus-visible,
.cor57-brand:focus-visible,
.cor57-bk-form input:focus-visible,
.cor57-acc-btn:focus-visible,
.contact-info a:focus-visible,
.cor57-foot a:focus-visible {
  outline: 2px solid var(--dna-accent, #8b93d6);
  outline-offset: 3px;
}

/* Header — topbar */
.cor57-top {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--dna-bg, #141824) 82%, transparent);
  border-bottom: 1px solid var(--dna-line, hsla(240,20%,70%,.14));
}
.cor57-bar {
  display: flex; align-items: center; gap: 1rem;
  min-height: 74px;
}
.cor57-brand {
  display: inline-flex; align-items: center; gap: .7rem;
  text-decoration: none; min-width: 0;
}
.cor57-brand img { width: 34px; height: 34px; border-radius: 8px; }
.cor57-brand b {
  display: block;
  font-family: var(--dna-font-display, "Roboto Slab", Georgia, serif);
  font-size: .95rem; font-weight: 600; letter-spacing: -0.01em;
}
.cor57-brand span span {
  display: block;
  font-size: .72rem;
  color: var(--dna-ink-soft, #b7b3c6);
  letter-spacing: .02em;
}
.cor57-links {
  display: none; gap: 1.15rem; margin-left: auto;
  font-size: .92rem;
}
.cor57-links a { text-decoration: none; color: var(--dna-ink-soft, #b7b3c6); }
.cor57-links a[aria-current="page"],
.cor57-links a:hover { color: var(--dna-ink, #f2efe8); }
.cor57-bar-end {
  display: flex; align-items: center; gap: .6rem; margin-left: auto;
}
.cor57-bar-end .cor57-btn { display: none; }
.cor57-burger {
  width: 44px; height: 44px; border: 1px solid var(--dna-line, hsla(240,20%,70%,.2));
  background: transparent; border-radius: var(--cor57-radius); cursor: pointer;
  display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.cor57-burger span {
  display: block; width: 18px; height: 2px;
  background: var(--dna-ink, #f2efe8);
}
.cor57-drawer {
  display: none; flex-direction: column; gap: .85rem;
  padding: 0 var(--cor57-pad) 1.2rem;
}
.cor57-drawer.is-open { display: flex; }
.cor57-drawer a {
  text-decoration: none;
  padding: .55rem 0;
  border-bottom: 1px solid var(--dna-line, hsla(240,20%,70%,.12));
  color: var(--dna-ink-soft, #b7b3c6);
}
body.cor57-nav-open { overflow: hidden; }

@media (min-width: 900px) {
  .cor57-links { display: flex; }
  .cor57-bar-end { margin-left: 0; }
  .cor57-bar-end .cor57-btn { display: inline-flex; }
  .cor57-burger { display: none; }
  .cor57-drawer,
  .cor57-drawer.is-open { display: none; }
}

/* Hero — split */
.cor57-hero {
  padding: clamp(2.2rem, 5vw, 3.6rem) 0 clamp(2.5rem, 5vw, 3.8rem);
}
.cor57-hero-plane {
  display: grid;
  gap: clamp(1.4rem, 3vw, 2.4rem);
  align-items: center;
}
.cor57-kicker {
  display: inline-block;
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--dna-accent, #8b93d6) 80%, #fff);
  margin-bottom: .85rem;
}
.cor57-hero h1 {
  font-size: clamp(2rem, 4.6vw, 3.15rem);
  max-width: 14ch;
  margin: 0 0 1rem;
}
.cor57-lede {
  font-size: 1.05rem;
  max-width: 38ch;
  margin-bottom: 1.4rem;
}
.cor57-hero-actions {
  display: flex; flex-wrap: wrap; gap: .7rem;
}
.cor57-hero-visual {
  position: relative;
  min-height: 280px;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--dna-line, hsla(240,20%,70%,.16));
  box-shadow: 0 24px 60px rgba(0,0,0,.28);
}
.cor57-hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 280px;
  aspect-ratio: 16 / 10;
}
.cor57-hero-visual::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(135deg, color-mix(in srgb, var(--dna-accent, #8b93d6) 12%, transparent), transparent 45%);
  pointer-events: none;
}

@media (min-width: 900px) {
  .cor57-hero-plane {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 2.6rem;
  }
  .cor57-hero-visual,
  .cor57-hero-visual img { min-height: 420px; }
}

/* First-visit timeline (casestudies) — not cards */
.cor57-visit {
  padding: clamp(2.4rem, 5vw, 3.8rem) 0;
}
.cor57-sec-head {
  max-width: 40rem;
  margin-bottom: clamp(1.4rem, 3vw, 2rem);
}
.cor57-sec-head h2 {
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  margin: 0 0 .7rem;
}
.cor57-rail {
  display: grid;
  gap: 0;
  border-left: 1px solid color-mix(in srgb, var(--dna-accent, #8b93d6) 45%, transparent);
  margin-left: .55rem;
}
.cor57-rail-step {
  position: relative;
  padding: 0 0 1.6rem 1.55rem;
}
.cor57-rail-step:last-child { padding-bottom: 0; }
.cor57-rail-step::before {
  content: "";
  position: absolute;
  left: -5px; top: .35rem;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--dna-accent, #8b93d6);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--dna-bg, #141824) 70%, #000);
}
.cor57-rail-step b {
  display: block;
  font-family: var(--dna-font-display, "Roboto Slab", Georgia, serif);
  font-size: 1.05rem;
  margin-bottom: .35rem;
  color: var(--dna-ink, #f2efe8);
}
.cor57-rail-n {
  display: inline-block;
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--dna-accent, #8b93d6) 75%, #fff);
  margin-bottom: .25rem;
}

/* Pricing remapped = weekday rhythm */
.cor57-rhythm {
  padding: clamp(2rem, 4vw, 3.2rem) 0;
}
.cor57-rhythm-panel {
  display: grid;
  gap: 1.4rem;
  padding: clamp(1.3rem, 3vw, 1.9rem);
  background: color-mix(in srgb, var(--dna-surface, #252a3d) 88%, #cbb9a0 12%);
  border: 1px solid var(--dna-line, hsla(240,20%,70%,.14));
  border-radius: 4px;
}
.cor57-rhythm-grid {
  display: grid;
  gap: 1rem;
}
.cor57-rhythm-item strong {
  display: block;
  font-family: var(--dna-font-display, "Roboto Slab", Georgia, serif);
  font-size: 1.05rem;
  margin-bottom: .3rem;
  color: var(--dna-ink, #f2efe8);
}
.cor57-rhythm-item p { margin: 0; font-size: .95rem; }
@media (min-width: 760px) {
  .cor57-rhythm-panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
  }
  .cor57-rhythm-grid { grid-template-columns: 1fr 1fr; }
}

/* Services accordion */
.cor57-services {
  padding: clamp(2.4rem, 5vw, 3.8rem) 0;
}
.cor57-acc {
  display: grid;
  gap: .55rem;
  max-width: 46rem;
}
.cor57-acc-item {
  border: 1px solid var(--dna-line, hsla(240,20%,70%,.16));
  background: color-mix(in srgb, var(--dna-surface, #252a3d) 92%, transparent);
  border-radius: 3px;
}
.cor57-acc-item.is-open {
  border-color: color-mix(in srgb, var(--dna-accent, #8b93d6) 45%, var(--dna-line));
}
.cor57-acc-btn {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  text-align: left;
  padding: 1rem 1.1rem;
  background: transparent; border: 0; cursor: pointer;
  color: var(--dna-ink, #f2efe8);
  font: 600 1.02rem/1.3 var(--dna-font-display, "Roboto Slab", Georgia, serif);
}
.cor57-acc-btn .cor57-acc-ic {
  display: inline-flex; align-items: center; gap: .65rem;
}
.cor57-acc-btn .dna-ic {
  width: 1.25rem; height: 1.25rem;
  color: var(--dna-accent, #8b93d6);
}
.cor57-acc-chev {
  width: 10px; height: 10px;
  border-right: 2px solid var(--dna-ink-soft, #b7b3c6);
  border-bottom: 2px solid var(--dna-ink-soft, #b7b3c6);
  transform: rotate(45deg);
  transition: transform .2s var(--cor57-ease);
  flex-shrink: 0;
}
.cor57-acc-item.is-open .cor57-acc-chev {
  transform: rotate(225deg);
  margin-top: 4px;
}
.cor57-acc-panel {
  padding: 0 1.1rem 1.1rem;
  color: var(--dna-ink-soft, #b7b3c6);
  font-size: .98rem;
}
.cor57-acc-panel p { margin: 0; }

/* Stats — location hours strip */
.cor57-strip {
  padding: 0 0 clamp(2rem, 4vw, 2.8rem);
}
.cor57-strip-inner {
  display: grid;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  border-block: 1px solid var(--dna-line, hsla(240,20%,70%,.16));
  background: color-mix(in srgb, var(--dna-surface-2, #2c3248) 55%, transparent);
}
.cor57-strip-inner strong {
  display: block;
  font-family: var(--dna-font-display, "Roboto Slab", Georgia, serif);
  font-size: 1rem;
  margin-bottom: .25rem;
  color: var(--dna-ink, #f2efe8);
}
.cor57-strip-inner p { margin: 0; font-size: .92rem; }
@media (min-width: 760px) {
  .cor57-strip-inner {
    grid-template-columns: 1.2fr 1fr 1fr;
    align-items: start;
  }
}

/* About — editorial */
.cor57-about {
  padding: clamp(2.2rem, 5vw, 3.6rem) 0;
}
.cor57-about-grid {
  display: grid;
  gap: 1.6rem;
  align-items: center;
}
.cor57-about-visual {
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--dna-line, hsla(240,20%,70%,.16));
}
.cor57-about-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.cor57-quote {
  margin: 1.2rem 0 0;
  padding-left: 1rem;
  border-left: 2px solid var(--dna-accent, #8b93d6);
  font-family: var(--dna-font-display, "Roboto Slab", Georgia, serif);
  font-size: 1.15rem;
  color: var(--dna-ink, #f2efe8);
  line-height: 1.45;
}
@media (min-width: 900px) {
  .cor57-about-grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    gap: 2.4rem;
  }
}

/* Gallery */
.cor57-gallery {
  padding: clamp(1.6rem, 4vw, 2.8rem) 0 clamp(2.4rem, 5vw, 3.6rem);
}
.cor57-gallery-grid {
  display: grid;
  gap: .85rem;
}
.cor57-gallery-grid figure {
  margin: 0;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--dna-line, hsla(240,20%,70%,.14));
  background: var(--dna-surface, #252a3d);
}
.cor57-gallery-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.cor57-gallery-grid figcaption {
  padding: .7rem .9rem .85rem;
  font-size: .85rem;
  color: var(--dna-ink-soft, #b7b3c6);
}
@media (min-width: 760px) {
  .cor57-gallery-grid {
    grid-template-columns: 1.15fr .85fr .85fr;
  }
  .cor57-gallery-grid figure:first-child img { aspect-ratio: 16 / 11; height: 100%; }
}

/* CTA / callback band */
.cor57-cta {
  padding: 0 0 clamp(2.8rem, 6vw, 4rem);
}
.cor57-cta-band {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.4rem, 3.2vw, 2rem);
  border: 1px solid var(--dna-line, hsla(240,20%,70%,.16));
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--dna-accent, #8b93d6) 14%, transparent), transparent 55%),
    var(--dna-surface, #252a3d);
  border-radius: 4px;
}
@media (min-width: 900px) {
  .cor57-cta-band {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

/* Booking timeline */
.cor57-bk { max-width: 34rem; }
.cor57-bk-steps {
  list-style: none; margin: 0 0 1.1rem; padding: 0;
  display: grid; gap: .45rem;
}
.cor57-bk-steps li {
  display: flex; align-items: center; gap: .65rem;
  font-size: .86rem;
  color: var(--dna-ink-soft, #b7b3c6);
}
.cor57-bk-steps li span {
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.35rem; height: 1.35rem; border-radius: 50%;
  font-size: .72rem; font-weight: 700;
  border: 1px solid var(--dna-line, hsla(240,20%,70%,.25));
  color: var(--dna-ink-soft, #b7b3c6);
}
.cor57-bk-steps li.is-on { color: var(--dna-ink, #f2efe8); }
.cor57-bk-steps li.is-on span {
  background: var(--dna-accent, #8b93d6);
  color: var(--dna-accent-ink, #141824);
  border-color: transparent;
}
.cor57-bk-title {
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
  margin: 0 0 .55rem;
}
.cor57-bk-hint,
.cor57-bk-note {
  font-size: .9rem;
  color: var(--dna-ink-soft, #b7b3c6);
  margin: 0 0 1rem;
}
.cor57-bk-note { margin-top: .75rem; margin-bottom: 0; }
.cor57-bk-label {
  display: block;
  font-size: .82rem;
  margin-bottom: .35rem;
  color: var(--dna-ink, #f2efe8);
}
.cor57-bk-form input[type="tel"] {
  width: 100%;
  min-height: 48px;
  padding: .7rem .9rem;
  border-radius: var(--cor57-radius);
  border: 1px solid var(--dna-line, hsla(240,20%,70%,.25));
  background: color-mix(in srgb, var(--dna-bg, #141824) 70%, #000);
  color: var(--dna-ink, #f2efe8);
  font: 500 1rem/1.2 var(--dna-font-body, system-ui, sans-serif);
  margin-bottom: .75rem;
}
.cor57-bk-form input[aria-invalid="true"] {
  border-color: #d98989;
}
.cor57-bk-error {
  color: #f0b4b4;
  font-size: .88rem;
  margin: -.35rem 0 .75rem;
}
.cor57-bk-success {
  margin: 0;
  font-family: var(--dna-font-display, "Roboto Slab", Georgia, serif);
  font-size: 1.15rem;
  color: var(--dna-ink, #f2efe8);
}
.cor57-bk-done {
  padding: 1rem 0;
}

/* Footer minimal */
.cor57-foot {
  border-top: 1px solid var(--dna-line, hsla(240,20%,70%,.14));
  padding: 1.4rem 0 2rem;
}
.cor57-foot-inner {
  display: flex; flex-wrap: wrap; gap: .85rem 1.4rem;
  align-items: baseline; justify-content: space-between;
  font-size: .88rem;
  color: var(--dna-ink-soft, #b7b3c6);
}
.cor57-foot a { text-decoration: none; }
.cor57-foot nav { display: flex; flex-wrap: wrap; gap: .85rem 1.1rem; }

/* Inner pages */
.cor57-page {
  padding: clamp(2rem, 4.5vw, 3.2rem) 0 clamp(2.8rem, 5vw, 4rem);
}
.cor57-page h1 {
  font-size: clamp(1.85rem, 3.8vw, 2.6rem);
  max-width: 16ch;
  margin: 0 0 1rem;
}
.cor57-prose {
  max-width: 42rem;
}
.cor57-prose h2 {
  font-size: 1.35rem;
  margin: 1.8rem 0 .7rem;
}
.cor57-svc-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.6rem;
}
.cor57-svc-card {
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--dna-line, hsla(240,20%,70%,.16));
  background: var(--dna-surface, #252a3d);
  border-radius: 3px;
}
.cor57-svc-card h2 {
  margin: 0 0 .45rem;
  font-size: 1.2rem;
}
.cor57-svc-card p { margin: 0; }

/* Contact split-right */
.cor57-contact-layout {
  display: grid;
  gap: 1.6rem;
  margin-top: 1.6rem;
}
.contact-info {
  padding: 1.2rem 1.25rem;
  border: 1px solid var(--dna-line, hsla(240,20%,70%,.16));
  background: var(--dna-surface, #252a3d);
  border-radius: 3px;
}
.contact-info h2 {
  font-size: 1.15rem;
  margin: 0 0 .8rem;
}
.contact-info dl {
  margin: 0;
  display: grid;
  gap: .85rem;
}
.contact-info dt {
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--dna-accent, #8b93d6) 70%, #fff);
  margin-bottom: .2rem;
}
.contact-info dd {
  margin: 0;
  color: var(--dna-ink-soft, #b7b3c6);
}
.contact-info a { color: var(--dna-ink, #f2efe8); }
@media (min-width: 900px) {
  .cor57-contact-layout[data-contact-layout="split-right"] {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: start;
  }
  /* DNA may place booking before info in DOM for split-right; force visual columns */
  .cor57-contact-layout[data-contact-layout="split-right"] > [data-contact-info] {
    grid-column: 1;
    grid-row: 1;
  }
  .cor57-contact-layout[data-contact-layout="split-right"] > [data-contact-booking] {
    grid-column: 2;
    grid-row: 1;
  }
}

/* Reveal motion (dial = 2) - never hide content; only a soft settle */
.cor57-js [data-cor57-reveal] {
  opacity: 1;
  transform: none;
}
.cor57-js [data-cor57-reveal].is-in {
  animation: cor57-settle .55s var(--cor57-ease);
}
@keyframes cor57-settle {
  from { opacity: .72; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 390px) {
  .cor57-hero h1 { font-size: 1.75rem; }
  .cor57-bar { min-height: 64px; }
  .cor57-brand b { font-size: .86rem; }
}

@media (prefers-reduced-motion: reduce) {
  .cor57-js [data-cor57-reveal].is-in { animation: none; }
  html { scroll-behavior: auto; }
}