/* Detroit Anesthesia Services — "Clinical Briefing" theme (report/ledger structure, ink & slate palette) */
/* IBM Plex Serif (display) + Figtree (body) — first use of this pairing in the family */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Serif:wght@500;600;700&family=Figtree:wght@400;500;600;700&display=swap');

:root {
  --color-ink: #1a1b1d;
  --color-deepest: #141516;
  --color-dark: #24262a;
  --color-slate: #55606b;
  --color-slate-light: #8993a0;
  --color-accent: #4d7a7e;
  --color-accent-light: #7fa5a8;
  --color-paper: #f6f5f2;
  --color-pale-bg: #efeee9;
  --color-muted: #6e6a63;
  --color-border: #ddd9d1;
  --font-display: "IBM Plex Serif", Georgia, serif;
  --font-body: "Figtree", "Helvetica Neue", Arial, sans-serif;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-ink);
  margin: 0 0 .5em;
  line-height: 1.2;
}
p { margin: 0 0 1em; }
a { color: var(--color-accent); text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- top rule (letterhead bar) ---------- */
.tile-strip { height: 4px; background: var(--color-accent); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246,245,242,.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-ink);
  box-shadow: 0 1px 0 var(--color-accent);
  transition: box-shadow .25s ease;
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; padding-bottom: 14px;
  transition: padding .25s ease;
}
.site-header.is-scrolled .container { padding-top: 9px; padding-bottom: 9px; }
.site-header.is-scrolled { box-shadow: 0 1px 0 var(--color-accent), 0 8px 20px rgba(20,21,22,.08); }
.site-header__logo img { height: 44px; width: auto; transition: height .25s ease; }
.site-header.is-scrolled .site-header__logo img { height: 36px; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a {
  font-family: var(--font-body); font-size: .82rem; font-weight: 600;
  color: var(--color-ink); letter-spacing: .06em; text-transform: uppercase;
  padding: 6px 0; border-bottom: 2px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.site-nav a:hover, .site-nav a.active { border-color: var(--color-accent); color: var(--color-accent); }
.site-header__actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 32px; height: 24px; position: relative;
}
.nav-toggle span {
  display: block; position: absolute; left: 0; right: 0; height: 2px; background: var(--color-ink);
}
.nav-toggle span:nth-child(1){ top: 0; }
.nav-toggle span:nth-child(2){ top: 11px; }
.nav-toggle span:nth-child(3){ top: 22px; }

.btn {
  display: inline-block; font-family: var(--font-body); font-weight: 700; font-size: .82rem;
  letter-spacing: .04em; text-transform: uppercase;
  padding: 13px 26px; border-radius: 2px; border: 1px solid transparent; cursor: pointer;
  transition: all .15s ease;
}
.btn-sm { padding: 9px 18px; font-size: .76rem; }
.btn-primary { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.btn-primary:hover { background: #3c6266; border-color: #3c6266; }
.btn-outline { border-color: #fff; color: #fff; }
.btn-outline:hover { background: #fff; color: var(--color-ink); }
.btn-secondary { background: transparent; border-color: var(--color-ink); color: var(--color-ink); }
.btn-secondary:hover { background: var(--color-ink); color: var(--color-paper); }
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(20,21,22,.15); }
.btn:active { transform: translateY(0); box-shadow: none; }

/* ---------- hero (static panel, ruled graph texture, no slideshow) ---------- */
.hero {
  position: relative; padding: 120px 0 96px; background: var(--color-deepest); color: #fff; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: -48px; opacity: .5;
  background-image:
    repeating-linear-gradient(0deg, rgba(127,165,168,.09) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(90deg, rgba(127,165,168,.09) 0 1px, transparent 1px 48px);
}
@media (prefers-reduced-motion: no-preference) {
  .hero::before { animation: heroGridDrift 40s linear infinite; }
}
@keyframes heroGridDrift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 48px 48px, 48px 48px; }
}
.hero__inner {
  position: relative; z-index: 1; max-width: 700px; padding: 0 24px 0 32px;
  border-left: 3px solid var(--color-accent);
}
.hero__kicker {
  display: block; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  font-size: .8rem; color: var(--color-accent-light); margin-bottom: 18px;
}
.hero h1 { color: #fff; font-size: clamp(2rem, 4vw, 3.1rem); margin-bottom: 30px; }
.hero__actions { display: flex; gap: 16px; }

/* ---------- credentials ribbon (replaces feature diamonds) ---------- */
.credentials-ribbon { border-bottom: 1px solid var(--color-border); background: var(--color-pale-bg); }
.credentials-ribbon__list {
  list-style: none; counter-reset: cred;
  margin: 0; padding: 0; display: flex; justify-content: center; flex-wrap: wrap;
}
.credentials-ribbon__item {
  counter-increment: cred;
  display: flex; align-items: baseline; gap: 10px;
  padding: 26px 36px; border-left: 1px solid var(--color-border);
  font-family: var(--font-body); font-weight: 600; letter-spacing: .01em;
}
.credentials-ribbon__item:first-child { border-left: none; }
.credentials-ribbon__item::before {
  content: counter(cred, upper-roman) ".";
  font-family: var(--font-display); font-weight: 600; color: var(--color-accent); font-size: 1rem;
}

/* ---------- sections ---------- */
.section { padding: 96px 0; }
.section--pale { background: var(--color-pale-bg); }
.section--dark { background: var(--color-deepest); color: #eceae6; }
.section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }

.section-head { max-width: 640px; margin: 0 auto 60px; text-align: center; }
.section-num-row { display: flex; align-items: center; gap: 14px; justify-content: center; margin-bottom: 10px; }
.section-num-row--left { justify-content: flex-start; }
.section-num {
  display: inline-block; font-family: var(--font-display); font-weight: 600; font-size: .85rem;
  color: var(--color-accent); border: 1px solid var(--color-accent); border-radius: 2px; padding: 3px 9px;
}
.section-eyebrow {
  font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  font-size: .78rem; color: var(--color-slate);
}
.section--dark .section-eyebrow { color: var(--color-accent-light); }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: .95fr 1.15fr; gap: 64px; align-items: center; }
.about-img {
  background-size: cover; background-position: center; min-height: 380px;
  border: 1px solid var(--color-ink);
  box-shadow: 10px 10px 0 var(--color-accent);
}
.about-text h2 { font-size: 2rem; }

/* ---------- services: ledger rows (numerals generated via counter, no markup needed) ---------- */
.filmstrip { display: flex; flex-direction: column; counter-reset: svc; }
.film-row {
  display: grid; grid-template-columns: 64px 1fr 220px; gap: 32px; align-items: center;
  padding: 32px 0; border-top: 1px solid var(--color-border);
  counter-increment: svc;
}
.filmstrip .film-row:last-child { border-bottom: 1px solid var(--color-border); }
.film-row::before {
  content: counter(svc, decimal-leading-zero);
  order: 1;
  font-family: var(--font-display); font-weight: 600; font-size: 1.6rem; color: var(--color-accent);
}
.film-row__media { order: 3; }
.film-row__text { order: 2; }
.film-row__media-inner { height: 130px; background-size: cover; background-position: center; border: 1px solid var(--color-border); }
.film-row__tag {
  display: block; font-size: .72rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase;
  color: var(--color-accent); margin-bottom: 10px;
}
.film-row__text h4, .film-row__text h3 { font-size: 1.3rem; margin-bottom: 8px; }
.film-row__text p { color: var(--color-muted); margin: 0; }

/* ---------- expertise panel row (replaces mosaic diamonds; numeral generated via counter) ---------- */
.mosaic-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: exp; }
.mosaic-tile {
  padding: 40px 28px; border-left: 1px solid rgba(255,255,255,.12); border-top: 2px solid var(--color-accent);
  counter-increment: exp;
}
.mosaic-tile:first-child { border-left: none; }
.mosaic-diamond { display: block; margin-bottom: 18px; }
.mosaic-diamond::before {
  content: counter(exp, decimal-leading-zero);
  font-family: var(--font-display); font-weight: 600; font-size: 1.3rem; color: var(--color-accent-light);
}
.mosaic-diamond img { display: none; }
.mosaic-tile h4 { font-size: 1.05rem; letter-spacing: .01em; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-select-card {
  background: var(--color-paper); border: 1px solid var(--color-border); border-top: 2px solid var(--color-accent); padding: 40px;
}
.contact-select-card label { display: block; font-weight: 700; margin-bottom: 10px; }
.contact-select {
  width: 100%; padding: 13px 14px; font-family: var(--font-body); font-size: 1rem; border-radius: 2px;
  border: 1px solid var(--color-ink); background: #fff; color: var(--color-ink); margin-bottom: 28px;
}
.contact-panel { display: none; }
.contact-panel.is-active { display: block; }
.contact-panel h4, .contact-panel h3 { font-family: var(--font-body); font-size: 1rem; text-transform: uppercase; letter-spacing: .06em; color: var(--color-accent); margin-bottom: 18px; }
.contact-field { margin-bottom: 18px; }
.contact-field label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px; }
.contact-field input, .contact-field textarea {
  width: 100%; padding: 10px 2px; border: none; border-bottom: 1px solid var(--color-border); border-radius: 0;
  font-family: var(--font-body); background: transparent;
}
.contact-field input:focus, .contact-field textarea:focus { outline: none; border-bottom-color: var(--color-accent); }
.contact-field input[type="file"] { padding: 6px 0; border-bottom: none; }
.contact-checkbox { display: flex; align-items: flex-start; gap: 8px; font-size: .85rem; margin-bottom: 18px; cursor: pointer; }
.contact-checkbox input { margin-top: 3px; }
.contact-checkbox a { color: var(--color-accent); }
.contact-info-list { display: flex; flex-direction: column; gap: 0; }
.contact-info-item { display: flex; gap: 16px; align-items: flex-start; padding: 20px 0; border-top: 1px solid var(--color-border); }
.contact-info-item img { width: 20px; height: 20px; margin-top: 3px; filter: invert(35%) sepia(15%) saturate(700%) hue-rotate(140deg) brightness(90%); }
.contact-info-item p { margin: 0; }
.contact-info-item a { color: var(--color-ink); font-weight: 600; }

/* ---------- footer ---------- */
.site-footer { background: var(--color-deepest); color: #c6c2b9; padding: 64px 0 0; }
.site-footer .container { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.site-footer__logo img { height: 38px; width: auto; margin-bottom: 16px; }
.site-footer__nav { display: flex; flex-direction: column; gap: 10px; }
.site-footer__nav a { color: #c6c2b9; font-size: .92rem; }
.site-footer__nav a:hover { color: var(--color-accent-light); }
.site-footer__address p { color: #8b8880; font-size: .92rem; margin: 0; }
.site-footer__bottom {
  margin-top: 48px; border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0;
  display: flex; justify-content: space-between; font-size: .85rem; color: #767268;
}
.site-footer__bottom a { color: #8b8880; }

/* ---------- page hero (privacy/blog) ---------- */
.page-hero { background: var(--color-deepest); color: #fff; padding: 90px 0 60px; text-align: center; }
.page-hero h1 { color: #fff; }

/* ---------- blog ---------- */
.blog-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  background: var(--color-pale-bg);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2.5rem;
}
.blog-disclaimer__icon { color: var(--color-accent); flex-shrink: 0; margin-top: 2px; }
.blog-disclaimer__text { flex: 1; min-width: 0; max-width: none; font-size: 0.925rem; line-height: 1.6; color: var(--color-muted); text-align: justify; text-align-last: left; }
.blog-disclaimer__text a { color: var(--color-accent); font-weight: 600; text-decoration: underline; }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
a.blog-card {
  display: block; text-decoration: none; color: inherit;
  background: var(--color-paper); border: 1px solid var(--color-border);
  transition: border-color .15s ease, transform .15s ease;
}
a.blog-card:hover { border-color: var(--color-accent); transform: translateY(-2px); }
.blog-card__img { width: 100%; height: 180px; object-fit: cover; filter: grayscale(.15); }
.blog-card__body { padding: 22px; }
.blog-card__date {
  font-size: .74rem; color: var(--color-slate);
  text-transform: uppercase; letter-spacing: .06em; font-weight: 700;
}
.blog-card__title { font-size: 1.15rem; margin: 12px 0 10px; }
.blog-card__excerpt { color: var(--color-muted); font-size: .92rem; }
.blog-card__link { display: inline-block; font-weight: 700; font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: var(--color-accent); transition: transform .2s ease; }
a.blog-card:hover .blog-card__link { transform: translateX(4px); }
.blog-view-all { text-align: center; margin-top: 48px; }
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 56px; }
.pagination a, .pagination span { padding: 8px 14px; border: 1px solid var(--color-border); }
.pagination .current { background: var(--color-ink); color: #fff; border-color: var(--color-ink); }

/* ---------- post prev/next navigation ---------- */
.article-post-nav { background: var(--color-pale-bg); border-top: 1px solid var(--color-border); }
.article-post-nav-inner {
  max-width: 860px; margin: 0 auto; padding: 40px 24px;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: start; gap: 24px;
}
.post-nav-prev, .post-nav-next { display: flex; flex-direction: column; gap: 6px; max-width: 280px; }
.post-nav-next { text-align: right; margin-left: auto; }
.post-nav-label {
  font-weight: 700; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--color-accent);
}
.post-nav-title {
  font-family: var(--font-display); font-weight: 600; font-size: 1rem; color: var(--color-ink);
  transition: color .2s ease;
}
.post-nav-prev:hover .post-nav-title, .post-nav-next:hover .post-nav-title { color: var(--color-accent); }
.post-nav-all {
  align-self: center; font-family: var(--font-body); font-weight: 700; font-size: .78rem;
  letter-spacing: .04em; text-transform: uppercase; color: var(--color-ink);
  border: 1px solid var(--color-ink); padding: 10px 18px; border-radius: 2px; white-space: nowrap;
  transition: background .2s ease, color .2s ease;
}
.post-nav-all:hover { background: var(--color-ink); color: var(--color-paper); }
.post-nav-placeholder { display: block; }
@media (max-width: 640px) {
  .article-post-nav-inner { grid-template-columns: 1fr; text-align: left; gap: 16px; }
  .post-nav-next { text-align: left; margin-left: 0; }
  .post-nav-all { order: -1; justify-self: start; }
}

.post-content { max-width: 760px; margin: 0 auto; }
.post-back { font-weight: 700; font-size: .85rem; text-transform: uppercase; color: var(--color-accent); }
.post-meta { color: var(--color-slate); margin: 22px 0 6px; font-size: .85rem; }
.post-hero-img { width: 100%; height: 360px; object-fit: cover; margin: 18px 0 36px; border: 1px solid var(--color-border); }
.legal-content h5 { font-family: var(--font-body); font-size: 1.05rem; margin-top: 2em; }
.legal-content h2 { font-family: var(--font-body); font-size: 1.05rem; margin-top: 2em; }

/* ---------- scroll reveal (progressive enhancement; classes added by scripts.js) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal-init {
    opacity: 0; transform: translateY(24px);
    transition: opacity .6s cubic-bezier(.2,.6,.2,1), transform .6s cubic-bezier(.2,.6,.2,1);
  }
  .reveal-init.is-visible { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-img { min-height: 280px; }
  .film-row { grid-template-columns: 44px 1fr; }
  .film-row .film-row__media, .film-row.reverse .film-row__media { order: 3; grid-column: 1 / -1; }
  .film-row__media-inner { height: 200px; }
  .contact-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none; position: fixed; top: 73px; left: 0; right: 0; height: calc(100vh - 73px);
    background: var(--color-paper); flex-direction: column; align-items: flex-start;
    padding: 30px 24px; gap: 18px; overflow-y: auto;
  }
  .site-nav.is-open { display: flex; }
  .site-header__actions .btn-secondary { display: none; }
  .mosaic-strip { grid-template-columns: repeat(2, 1fr); }
  .mosaic-tile:nth-child(3) { border-left: none; }
  .credentials-ribbon__item { padding: 18px 22px; }
  .blog-grid { grid-template-columns: 1fr; }
  .site-footer .container { flex-direction: column; }
}