/* Brand: berkeleyacu.life — Berkeley Acupuncture Project (ber01) */
:root {
  --ber01-max: 1100px;
  --ber01-pad: clamp(1.1rem, 3vw, 1.85rem);
  --ber01-radius: 16px;
  --ber01-ease: cubic-bezier(.22, .7, .28, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--dna-font-body, "Nunito Sans", system-ui, sans-serif);
  color: var(--dna-ink, #243028);
  background:
    radial-gradient(900px 420px at 88% -8%, color-mix(in srgb, var(--dna-accent, #6f8f6c) 16%, transparent), transparent 55%),
    linear-gradient(165deg, #f4f7f2 0%, var(--dna-bg, #eef3ec) 42%, #e7eee4 100%);
  line-height: 1.55;
  -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-ink, var(--dna-accent, #5f7a5c)); }
h1, h2, h3 {
  font-family: var(--dna-font-display, "Sora", system-ui, sans-serif);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--dna-ink, #243028);
  margin: 0 0 .75rem;
}
p { margin: 0 0 1rem; color: var(--dna-ink-soft, #4f5d54); }
ul { margin: 0; padding: 0; list-style: none; }

.ber01-skip {
  position: absolute; left: -999px; top: 0;
  background: var(--dna-surface, #fff); color: var(--dna-ink); padding: .6rem 1rem; z-index: 100;
}
.ber01-skip:focus { left: 1rem; top: 1rem; }

.ber01-wrap, .wrap {
  width: min(100% - 2 * var(--ber01-pad), var(--ber01-max));
  margin-inline: auto;
}

.ber01-btn, .btn-solid, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .45rem; min-height: 46px; padding: .7rem 1.25rem;
  border-radius: 999px; 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(--ber01-ease), background .2s, color .2s, border-color .2s;
}
.ber01-btn:hover, .btn-solid:hover, .btn-ghost:hover { transform: translateY(-1px); }
.ber01-btn--solid, .btn-solid {
  /* darkened sage so white label clears WCAG AA (~4.5:1); DNA accent-ink alone was ~3.4 */
  background: color-mix(in srgb, var(--dna-accent, #6f8f6c) 42%, #121c14 58%);
  color: #f7faf6;
  border-color: color-mix(in srgb, var(--dna-accent, #6f8f6c) 35%, #0c140e);
}
.ber01-btn--ghost, .btn-ghost {
  background: transparent;
  color: var(--dna-ink, #243028);
  border-color: var(--dna-line, #d5dfd2);
}

.ber01-btn:focus-visible,
.btn-solid:focus-visible,
.btn-ghost:focus-visible,
.ber01-links a:focus-visible,
.ber01-drawer a:focus-visible,
.ber01-burger:focus-visible,
.ber01-brand:focus-visible,
.ber01-bk-form input:focus-visible,
.ber01-bk-tab:focus-visible,
.ber01-acc-btn:focus-visible,
.contact-info a:focus-visible,
.ber01-foot a:focus-visible {
  outline: 2px solid var(--dna-accent, #6f8f6c);
  outline-offset: 3px;
}

/* Header */
.ber01-top {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--dna-bg, #eef3ec) 88%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--dna-line, #d5dfd2) 70%, transparent);
}
.ber01-bar {
  display: flex; align-items: center; gap: 1rem;
  min-height: 72px;
}
.ber01-brand {
  display: inline-flex; align-items: center; gap: .7rem;
  text-decoration: none; min-width: 0;
}
.ber01-brand b {
  display: block;
  font-family: var(--dna-font-display, "Sora", system-ui, sans-serif);
  font-size: .92rem; letter-spacing: -0.02em;
}
.ber01-brand span span {
  display: block; font-size: .78rem; color: var(--dna-ink-soft, #4f5d54);
}
.ber01-links {
  display: none; gap: 1.1rem; margin-left: auto;
}
.ber01-links a {
  text-decoration: none; font-size: .92rem; font-weight: 600;
  color: var(--dna-ink-soft, #4f5d54);
}
.ber01-links a[aria-current="page"],
.ber01-links a:hover { color: var(--dna-ink, #243028); }
.ber01-bar-end {
  display: flex; align-items: center; gap: .55rem; margin-left: auto;
}
.ber01-bar-end .ber01-btn--ghost { display: none; }
.ber01-bar-end .ber01-btn--solid { display: none; }
.ber01-burger {
  width: 44px; height: 44px; border-radius: 12px;
  border: 1px solid var(--dna-line, #d5dfd2);
  background: var(--dna-surface, #fff);
  display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px;
  cursor: pointer;
}
.ber01-burger span {
  width: 18px; height: 2px; background: var(--dna-ink, #243028); border-radius: 2px;
}
.ber01-drawer {
  display: none; flex-direction: column; gap: .85rem;
  padding: .4rem 0 1.1rem;
}
.ber01-drawer.is-open { display: flex; }
.ber01-drawer a {
  text-decoration: none; font-weight: 600; padding: .35rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--dna-line, #d5dfd2) 70%, transparent);
}

@media (min-width: 920px) {
  .ber01-links { display: flex; }
  .ber01-bar-end { margin-left: 0; }
  .ber01-bar-end .ber01-btn--ghost,
  .ber01-bar-end .ber01-btn--solid { display: inline-flex; }
  .ber01-burger, .ber01-drawer, .ber01-drawer.is-open { display: none !important; }
}

/* Hero split — full-bleed plane */
.ber01-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(115deg, color-mix(in srgb, var(--dna-accent, #6f8f6c) 12%, #f7faf5) 0%, transparent 48%),
    var(--dna-bg, #eef3ec);
}
.ber01-hero-plane.hero-inner,
.ber01-hero .hero-inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  padding: clamp(2.4rem, 6vw, 4.8rem) 0;
}
.ber01-kicker, .eyebrow {
  display: inline-block;
  font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--dna-accent-ink, var(--dna-accent, #5f7a5c));
  margin-bottom: .85rem;
}
.ber01-hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.35rem);
  max-width: 14ch;
  margin-bottom: 1rem;
}
.ber01-lede, .ber01-hero .sub {
  font-size: 1.05rem; max-width: 38ch; margin-bottom: 1.4rem;
}
.ber01-hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; }
.ber01-hero-visual {
  border-radius: calc(var(--ber01-radius) + 4px);
  overflow: hidden;
  border: 1px solid var(--dna-line, #d5dfd2);
  box-shadow: 0 28px 60px -36px rgba(36, 48, 40, .45);
  min-height: 280px;
  background: var(--dna-surface-2, #e2ebe0);
}
.ber01-hero-visual img {
  width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16 / 10;
}

/* Sections */
.ber01-sec { padding: clamp(2.8rem, 6vw, 4.6rem) 0; }
.ber01-sec--soft {
  background: color-mix(in srgb, var(--dna-surface, #fff) 70%, var(--dna-bg, #eef3ec));
  border-block: 1px solid color-mix(in srgb, var(--dna-line, #d5dfd2) 65%, transparent);
}
.ber01-sec-head { max-width: 40rem; margin-bottom: 1.8rem; }
.ber01-sec-head h2 { font-size: clamp(1.55rem, 3vw, 2.15rem); }

.ber01-js [data-ber01-reveal] {
  opacity: 0; transform: translateY(14px);
  transition: opacity .55s var(--ber01-ease), transform .55s var(--ber01-ease);
}
.ber01-js [data-ber01-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .ber01-js [data-ber01-reveal] { opacity: 1; transform: none; transition: none; }
}

/* Trust tiles */
.ber01-tiles {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
}
.ber01-tiles .tile {
  padding: 1.25rem 1.2rem;
  background: var(--dna-surface, #fff);
  border: 1px solid var(--dna-line, #d5dfd2);
  border-radius: var(--ber01-radius);
}
.ber01-tiles .ic {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--dna-accent, #6f8f6c) 16%, #fff);
  color: var(--dna-accent-ink, var(--dna-accent, #5f7a5c));
  margin-bottom: .85rem;
}
.ber01-tiles h3 { font-size: 1.05rem; margin-bottom: .35rem; }
.ber01-tiles p { margin: 0; font-size: .95rem; }

@media (min-width: 760px) {
  .ber01-tiles { grid-template-columns: repeat(3, 1fr); }
}

/* Process steps */
.ber01-steps {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
}
.ber01-steps .step {
  padding: 1.2rem;
  border-left: 3px solid var(--dna-accent, #6f8f6c);
  background: color-mix(in srgb, var(--dna-surface, #fff) 80%, transparent);
  border-radius: 0 var(--ber01-radius) var(--ber01-radius) 0;
}
.ber01-steps .n {
  width: 2rem; height: 2rem; border-radius: 999px;
  display: grid; place-items: center;
  font: 700 .9rem/1 var(--dna-font-display, "Sora", system-ui, sans-serif);
  background: var(--dna-accent, #6f8f6c);
  color: var(--dna-accent-ink, #172019);
  margin-bottom: .7rem;
}
.ber01-steps h3 { font-size: 1.02rem; }
.ber01-steps p { margin: 0; font-size: .94rem; }

@media (min-width: 860px) {
  .ber01-steps { grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }
  .ber01-steps .step { border-left: 0; border-top: 3px solid var(--dna-accent, #6f8f6c); border-radius: 0 0 var(--ber01-radius) var(--ber01-radius); }
}

/* Floor notes / testimonials */
.ber01-notes {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
}
.ber01-note {
  padding: 1.25rem 1.2rem;
  background: var(--dna-surface, #fff);
  border: 1px solid var(--dna-line, #d5dfd2);
  border-radius: var(--ber01-radius);
}
.ber01-note h3 { font-size: 1.05rem; }
.ber01-note p { margin: 0; }
@media (min-width: 760px) {
  .ber01-notes { grid-template-columns: repeat(3, 1fr); }
}

/* About statsled */
.ber01-about .ber01-lede { max-width: 54ch; }
.ber01-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
  margin-top: 1.8rem;
}
.ber01-stats .stat {
  padding: 1.1rem 1rem;
  background: var(--dna-surface, #fff);
  border: 1px solid var(--dna-line, #d5dfd2);
  border-radius: var(--ber01-radius);
}
.ber01-stats b {
  display: block;
  font-family: var(--dna-font-display, "Sora", system-ui, sans-serif);
  font-size: 1.55rem; letter-spacing: -0.03em;
  color: var(--dna-ink, #243028);
  margin-bottom: .25rem;
}
.ber01-stats span { color: var(--dna-ink-soft, #4f5d54); font-size: .9rem; }
@media (min-width: 760px) {
  .ber01-stats { grid-template-columns: repeat(4, 1fr); }
}

/* Gallery */
.ber01-gallery-grid {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
}
.ber01-gallery-grid figure { margin: 0; }
.ber01-gallery-grid img {
  width: 100%; aspect-ratio: 16 / 10; object-fit: cover;
  border-radius: var(--ber01-radius);
  border: 1px solid var(--dna-line, #d5dfd2);
}
.ber01-gallery-grid figcaption {
  margin-top: .55rem; font-size: .9rem; color: var(--dna-ink-soft, #4f5d54);
}
@media (min-width: 760px) {
  .ber01-gallery-grid { grid-template-columns: 1.2fr .8fr; align-items: end; }
}

/* FAQ / cases */
.ber01-cases-grid {
  display: grid; grid-template-columns: 1fr; gap: 1.6rem; align-items: center;
}
.ber01-cases-grid img {
  border-radius: var(--ber01-radius);
  border: 1px solid var(--dna-line, #d5dfd2);
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
}
.ber01-cases { display: grid; gap: .9rem; margin-top: 1.2rem; }
.ber01-case {
  display: grid; grid-template-columns: auto 1fr; gap: .85rem; align-items: start;
  padding: .9rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--dna-line, #d5dfd2) 80%, transparent);
}
.ber01-case:last-child { border-bottom: 0; }
.ber01-case b {
  font-family: var(--dna-font-display, "Sora", system-ui, sans-serif);
  color: var(--dna-accent-ink, var(--dna-accent, #5f7a5c));
}
.ber01-case h3 { font-size: 1.02rem; margin-bottom: .25rem; }
.ber01-case p { margin: 0; font-size: .94rem; }
@media (min-width: 900px) {
  .ber01-cases-grid { grid-template-columns: 1.15fr .85fr; gap: 2.4rem; }
}

/* Services accordion */
.ber01-acc { display: grid; gap: .7rem; }
.ber01-acc-item {
  background: var(--dna-surface, #fff);
  border: 1px solid var(--dna-line, #d5dfd2);
  border-radius: var(--ber01-radius);
  overflow: hidden;
}
.ber01-acc-item.is-open {
  border-color: color-mix(in srgb, var(--dna-accent, #6f8f6c) 55%, var(--dna-line, #d5dfd2));
}
.ber01-acc-btn {
  width: 100%; text-align: left; cursor: pointer;
  display: flex; flex-direction: column; gap: .2rem;
  padding: 1.05rem 1.15rem;
  background: transparent; border: 0;
  font: inherit; color: inherit;
}
.ber01-acc-kicker {
  font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--dna-accent-ink, var(--dna-accent, #5f7a5c));
}
.ber01-acc-title {
  font-family: var(--dna-font-display, "Sora", system-ui, sans-serif);
  font-weight: 600; font-size: 1.05rem;
}
.ber01-acc-panel { padding: 0 1.15rem 1.1rem; }
.ber01-acc-panel p { margin: 0; font-size: .95rem; }
.ber01-acc-item.lead .ber01-acc-title { font-size: 1.12rem; }
.ber01-more { margin-top: 1.2rem; }
.ber01-more a { font-weight: 600; }

/* CTA band */
.ber01-cta {
  padding: clamp(2.8rem, 6vw, 4.2rem) 0;
  background:
    linear-gradient(120deg, color-mix(in srgb, var(--dna-accent, #6f8f6c) 22%, #1f2a22), color-mix(in srgb, var(--dna-accent, #6f8f6c) 45%, #334438));
  color: #f4f8f3;
}
.ber01-cta h2 { color: #f7faf6; font-size: clamp(1.6rem, 3vw, 2.2rem); max-width: 18ch; }
.ber01-cta p { color: color-mix(in srgb, #f4f8f3 82%, transparent); max-width: 42ch; }
.ber01-cta .ber01-btn--solid,
.ber01-cta .btn-solid {
  background: #f4f8f3; color: #1f2a22; border-color: #f4f8f3;
}

/* Footer */
.ber01-foot {
  padding: 2.6rem 0 1.4rem;
  background: color-mix(in srgb, var(--dna-ink, #243028) 94%, #000);
  color: #dce5db;
}
.ber01-foot-grid {
  display: grid; grid-template-columns: 1fr; gap: 1.4rem;
  padding-bottom: 1.6rem;
  border-bottom: 1px solid color-mix(in srgb, #fff 12%, transparent);
}
.ber01-foot b { display: block; color: #fff; margin-bottom: .45rem; font-family: var(--dna-font-display, "Sora", system-ui, sans-serif); }
.ber01-foot p, .ber01-foot span, .ber01-foot a {
  display: block; color: #c5d1c4; text-decoration: none; font-size: .92rem; margin-bottom: .25rem;
}
.ber01-foot a:hover { color: #fff; }
.ber01-foot-base {
  display: flex; flex-wrap: wrap; gap: .6rem 1.2rem;
  padding-top: 1rem; font-size: .85rem; color: #a9b8a8;
}
@media (min-width: 800px) {
  .ber01-foot-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}

/* Inner pages */
.ber01-page-hero { padding: clamp(2.2rem, 5vw, 3.4rem) 0 1rem; }
.ber01-page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); max-width: 16ch; }

.ber01-svc-page {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
}
.ber01-svc-card {
  padding: 1.3rem 1.2rem;
  background: var(--dna-surface, #fff);
  border: 1px solid var(--dna-line, #d5dfd2);
  border-radius: var(--ber01-radius);
}
.ber01-svc-card .ic {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--dna-accent, #6f8f6c) 16%, #fff);
  color: var(--dna-accent-ink, var(--dna-accent, #5f7a5c));
  margin-bottom: .8rem;
}
.ber01-svc-card h2 { font-size: 1.15rem; }
.ber01-svc-card p { margin: 0; }
@media (min-width: 800px) {
  .ber01-svc-page { grid-template-columns: 1fr 1fr; }
}

.ber01-split-media,
.ber01-about-page {
  display: grid; grid-template-columns: 1fr; gap: 1.6rem; align-items: center;
}
.ber01-split-media img,
.ber01-about-page img {
  border-radius: var(--ber01-radius);
  border: 1px solid var(--dna-line, #d5dfd2);
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
}
@media (min-width: 880px) {
  .ber01-split-media,
  .ber01-about-page { grid-template-columns: 1fr 1fr; gap: 2.2rem; }
}

.ber01-checklist { margin-top: 1rem; }
.ber01-checklist li {
  position: relative; padding-left: 1.2rem; margin-bottom: .45rem;
  color: var(--dna-ink-soft, #4f5d54);
}
.ber01-checklist li::before {
  content: ""; position: absolute; left: 0; top: .55rem;
  width: .55rem; height: .55rem; border-radius: 50%;
  background: var(--dna-accent, #6f8f6c);
}

.ber01-hours { display: grid; gap: .55rem; max-width: 28rem; }
.ber01-hours li {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: .7rem .85rem;
  background: var(--dna-surface, #fff);
  border: 1px solid var(--dna-line, #d5dfd2);
  border-radius: 12px;
  color: var(--dna-ink-soft, #4f5d54);
}
.ber01-hours li span:first-child { font-weight: 600; color: var(--dna-ink, #243028); }
.ber01-hours--compact { max-width: none; }
.ber01-hours--compact li {
  background: transparent; border: 0; border-bottom: 1px solid color-mix(in srgb, var(--dna-line, #d5dfd2) 80%, transparent);
  border-radius: 0; padding: .45rem 0;
}

.ber01-prose { max-width: 42rem; }
.ber01-prose h2 { font-size: 1.25rem; margin-top: 1.6rem; }
.ber01-prose a { color: var(--dna-accent-ink, var(--dna-accent, #5f7a5c)); font-weight: 600; }

/* Contact stacked-info-first */
.ber01-contact-shell { padding: 0 0 3.2rem; }
.ber01-contact-info {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
  padding: 1.2rem;
  background: var(--dna-surface, #fff);
  border: 1px solid var(--dna-line, #d5dfd2);
  border-radius: var(--ber01-radius);
  margin-bottom: 1.2rem;
}
.ber01-contact-info b {
  display: block; font-size: .78rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--dna-ink-soft, #4f5d54); margin-bottom: .25rem;
}
.ber01-contact-info a, .ber01-contact-info span {
  color: var(--dna-ink, #243028); text-decoration: none; font-weight: 600;
}
@media (min-width: 760px) {
  .ber01-contact-info { grid-template-columns: repeat(2, 1fr); }
}

/* Booking tabs */
.ber01-bk {
  padding: 1.35rem 1.25rem 1.5rem;
  background: var(--dna-surface, #fff);
  border: 1px solid var(--dna-line, #d5dfd2);
  border-radius: var(--ber01-radius);
}
.ber01-bk-tabs {
  display: flex; flex-wrap: wrap; gap: .4rem;
  margin-bottom: .85rem;
}
.ber01-bk-tab {
  border: 1px solid var(--dna-line, #d5dfd2);
  background: color-mix(in srgb, var(--dna-bg, #eef3ec) 70%, #fff);
  color: var(--dna-ink-soft, #4f5d54);
  border-radius: 999px;
  padding: .45rem .9rem;
  font: 600 .85rem/1 var(--dna-font-body, system-ui, sans-serif);
  cursor: pointer;
}
.ber01-bk-tab.is-on {
  background: color-mix(in srgb, var(--dna-accent, #6f8f6c) 18%, #fff);
  border-color: color-mix(in srgb, var(--dna-accent, #6f8f6c) 45%, var(--dna-line, #d5dfd2));
  color: var(--dna-ink, #243028);
}
.ber01-bk-context {
  font-size: .92rem; color: var(--dna-ink-soft, #4f5d54); margin-bottom: 1rem;
  padding-bottom: .9rem;
  border-bottom: 1px dashed var(--dna-line, #d5dfd2);
}
.ber01-bk-title { font-size: 1.35rem; margin-bottom: .45rem; }
.ber01-bk-hint { font-size: .94rem; margin-bottom: 1rem; }
.ber01-bk-label {
  display: block; font-weight: 600; font-size: .9rem; margin-bottom: .4rem;
}
.ber01-bk-form input[type="tel"] {
  width: 100%; min-height: 48px; padding: .7rem .9rem;
  border-radius: 12px; border: 1px solid var(--dna-line, #d5dfd2);
  background: var(--dna-bg, #eef3ec); color: var(--dna-ink, #243028);
  font: 1rem/1.2 var(--dna-font-body, system-ui, sans-serif);
  margin-bottom: .7rem;
}
.ber01-bk-form input[aria-invalid="true"] {
  border-color: #b42318;
}
.ber01-bk-error {
  color: #b42318; font-size: .9rem; margin: 0 0 .7rem;
}
.ber01-bk-note {
  margin: .75rem 0 0; font-size: .85rem; color: var(--dna-ink-soft, #4f5d54);
}
.ber01-bk-done { padding: .4rem 0; }
.ber01-bk-success {
  font-family: var(--dna-font-display, "Sora", system-ui, sans-serif);
  font-size: 1.15rem; font-weight: 600; color: var(--dna-ink, #243028); margin: 0;
}

@media (max-width: 860px) {
  .ber01-hero .hero-inner {
    grid-template-columns: 1fr;
    padding-top: 2rem;
  }
  .ber01-hero h1 { max-width: none; }
  .ber01-hero-visual { order: -1; }
}

.dna-ic svg { width: 1.25rem; height: 1.25rem; display: block; }