/* North Dakota Anesthesia Services — winter prairie, modernized */

:root {
  --color-frost: #fbfcfd;
  --color-ice: #eef2f5;
  --color-charcoal: #1c2228;
  --color-slate: #5d6770;
  --color-accent: #3c6e91;
  --color-accent-dark: #2b526c;
  --color-accent-light: #6fa3c4;
  --color-accent-pale: #e4ecf1;
  --color-border: #e1e7eb;
  --shadow-card: 0 8px 24px rgba(28, 34, 40, 0.07);
  --shadow-pop: 0 20px 48px rgba(28, 34, 40, 0.14);
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --max-width: 1180px;
  --font-base: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-charcoal);
  background: var(--color-frost);
  line-height: 1.65;
  font-size: 16px;
  font-weight: 400;
}

a { color: var(--color-accent-dark); text-decoration: none; }
a:hover { color: var(--color-accent); }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.18;
  color: var(--color-charcoal);
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 4.6vw, 3.6rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 700; }

p { margin: 0 0 16px; color: var(--color-slate); font-weight: 400; }

.section { padding: 110px 0; }
.section--ice { background: var(--color-ice); }
.section--dark { background: var(--color-charcoal); color: #fff; }
.section--dark h2, .section--dark h3, .section--dark h1 { color: #fff; }
.section--dark p { color: #aab4bd; }

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}
.section-eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  display: inline-block;
}
.section-head { max-width: 680px; margin: 0 auto 60px; text-align: center; }
.section-head .section-eyebrow { justify-content: center; }

.hr-line { width: 100%; height: 1px; background: var(--color-border); margin: 0; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.92rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary { background: var(--color-accent); color: #fff; box-shadow: var(--shadow-card); }
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-2px); box-shadow: var(--shadow-pop); }
.btn-outline { border-color: rgba(255,255,255,0.4); color: inherit; background: rgba(255,255,255,0.06); }
.btn-outline:hover { background: rgba(255,255,255,0.14); transform: translateY(-2px); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 252, 253, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 88px; }
.site-header__logo img { height: 50px; width: auto; filter: brightness(0) saturate(100%) invert(16%) sepia(15%) saturate(900%) hue-rotate(170deg) brightness(95%); }
.site-nav { display: flex; align-items: center; gap: 34px; }
.site-nav a { color: var(--color-charcoal); font-weight: 600; font-size: 0.92rem; }
.site-nav a:hover { color: var(--color-accent); }
.site-nav__cta { display: none; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 22px;
  position: relative;
  padding: 0;
}
.nav-toggle span {
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-charcoal);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 10px; }
.nav-toggle span:nth-child(3) { top: 20px; }

/* Hero */
.hero {
  position: relative;
  padding: 0;
  background: var(--color-charcoal);
  color: #fff;
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.5; transform: scale(1.04); }
.hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(160deg, rgba(20,26,32,0.9) 10%, rgba(28,60,80,0.55) 65%, rgba(20,26,32,0.85) 100%); }
.hero .container { position: relative; padding: 190px 28px 130px; text-align: left; }
.hero__inner { max-width: 720px; }
.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #cfe2ee;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 8px 18px;
  border-radius: 999px;
  margin-bottom: 28px;
}
.hero h1 { color: #fff; margin-bottom: 30px; }
.hero p.lede { font-size: 1.15rem; color: #cdd7de; max-width: 540px; margin-bottom: 36px; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Stats */
.stats-strip {
  position: relative;
  background: var(--color-charcoal);
  color: #fff;
  background-size: cover;
  background-position: center;
}
.stats-strip::before { content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(20,26,32,0.82), rgba(20,26,32,0.86)); }
.stats-strip .container { position: relative; padding: 90px 28px; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.stats-card {
  text-align: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  backdrop-filter: blur(6px);
}
.stats-card h2 { color: #fff; font-size: 3rem; font-weight: 800; margin-bottom: 8px; background: linear-gradient(135deg, #ffffff, #9fc4dc); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stats-card p { color: #aab4bd; font-size: 0.88rem; letter-spacing: 0.04em; text-transform: uppercase; margin: 0; font-weight: 600; }

/* Services grid */
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-pop); }
.service-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--color-accent-pale);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}
.service-card__icon svg { width: 26px; height: 26px; }
.service-card h3 { margin-bottom: 14px; color: var(--color-charcoal); }

/* About */
.about-text { max-width: 760px; margin: 0 auto; }
.about-text p { font-size: 1.05rem; }

/* Facility types */
.facility-strip { position: relative; background-size: cover; background-position: center; }
.facility-strip::before { content:""; position:absolute; inset:0; background: linear-gradient(160deg, rgba(20,26,32,0.78), rgba(28,60,80,0.65)); }
.facility-strip .container { position: relative; padding: 90px 28px; }
.facility-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.facility-card {
  text-align: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  padding: 38px 24px;
  backdrop-filter: blur(6px);
  transition: transform 0.2s ease, background 0.2s ease;
}
.facility-card:hover { transform: translateY(-4px); background: rgba(255,255,255,0.14); }
.facility-card__icon {
  width: 56px; height: 56px; margin: 0 auto 18px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.22); border-radius: 50%;
}
.facility-card__icon svg { width: 28px; height: 28px; }
.facility-card h3 { color: #fff; font-weight: 700; font-size: 1.1rem; margin: 0; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-topics { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 26px; }
.contact-topics__btn {
  padding: 9px 18px; border-radius: 999px; background: var(--color-accent-pale); font-size: 0.82rem;
  font-weight: 600; color: var(--color-accent-dark); border: 1px solid transparent; cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}
.contact-topics__btn:hover { background: var(--color-accent-light); color: #fff; }
.contact-topics__btn.is-active {
  background: var(--color-accent-dark); color: #fff;
  box-shadow: 0 0 0 4px var(--color-accent-pale);
}
.contact-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.contact-form { display: none; flex-direction: column; gap: 16px; }
.contact-form.is-active { display: flex; animation: frost-in 0.45s cubic-bezier(0.2, 0.7, 0.3, 1); }
@keyframes frost-in {
  from { opacity: 0; filter: blur(4px); transform: translateY(6px); }
  to { opacity: 1; filter: blur(0); transform: translateY(0); }
}
.contact-form__title { font-size: 1.1rem; margin-bottom: 4px; }
.contact-field { display: flex; flex-direction: column; gap: 6px; }
.contact-field label { font-size: 0.82rem; font-weight: 700; color: var(--color-charcoal); }
.contact-field .req { color: var(--color-accent); margin-left: 2px; }
.contact-field input, .contact-field textarea {
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 12px 14px; font-family: var(--font-base); font-size: 0.95rem; color: var(--color-charcoal);
  background: var(--color-frost); transition: border-color 0.2s ease, box-shadow 0.2s ease;
  resize: vertical;
}
.contact-field input:focus, .contact-field textarea:focus {
  outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-pale);
}
.contact-checkbox { display: flex; align-items: flex-start; gap: 8px; font-size: 0.85rem; color: var(--color-charcoal); cursor: pointer; }
.contact-checkbox input { margin-top: 3px; accent-color: var(--color-accent); }
.contact-checkbox a { color: var(--color-accent-dark); font-weight: 600; }
.contact-checkbox a:hover { color: var(--color-accent); }
.contact-form .btn-primary { align-self: flex-start; border: none; }
.contact-info-list { display: flex; flex-direction: column; gap: 4px; }
.contact-info-item { padding: 22px 24px; border-radius: var(--radius-md); transition: background 0.15s ease; }
.contact-info-item:hover { background: var(--color-ice); }
.contact-info-item h4 { font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent); margin: 0 0 8px; font-weight: 700; }
.contact-info-item p { margin: 0; color: var(--color-charcoal); font-weight: 500; }
.contact-info-item a { color: var(--color-charcoal); font-weight: 600; }
.contact-info-item a:hover { color: var(--color-accent); }

/* Footer */
.site-footer { background: var(--color-ice); padding: 50px 0 28px; border-top: 1px solid var(--color-border); }
.site-footer .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 22px; }
.site-footer__logo img { height: 42px; filter: brightness(0) saturate(100%) invert(16%) sepia(15%) saturate(900%) hue-rotate(170deg) brightness(95%); }
.site-footer__bottom {
  border-top: 1px solid var(--color-border);
  margin-top: 30px; padding-top: 20px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem; color: var(--color-slate);
}
.site-footer__bottom a { color: var(--color-accent-dark); font-weight: 600; }

/* Page hero */
.page-hero { background: var(--color-charcoal); color: #fff; padding: 110px 0 80px; text-align: center; }
.page-hero h1 { color: #fff; margin: 0; }

/* Legal */
.legal-content h5 { margin-top: 40px; font-size: 0.9rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-accent-dark); font-weight: 700; }
.legal-content ul, .legal-content ol { padding-left: 22px; color: var(--color-slate); }
.legal-content li { margin-bottom: 8px; }

/* Blog */
.blog-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 34px;
}
.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: 0.92rem;
  line-height: 1.6;
  color: var(--color-slate);
  text-align: justify;
  text-align-last: left;
  margin: 0;
}
.blog-disclaimer__text a { color: var(--color-accent-dark); font-weight: 700; text-decoration: underline; }

.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.blog-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.blog-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-pop); }
.blog-card__img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.blog-card__body { padding: 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.blog-card__date { font-size: 0.76rem; font-weight: 700; letter-spacing: 0.06em; color: var(--color-accent); text-transform: uppercase; }
.blog-card__title { font-size: 1.08rem; font-weight: 700; margin: 0; }
.blog-card__excerpt { font-size: 0.92rem; margin: 0; flex: 1; }
.blog-card__link { font-weight: 700; font-size: 0.86rem; }

.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 60px; }
.pagination a, .pagination span {
  padding: 11px 18px; border-radius: 999px; border: 1px solid var(--color-border);
  font-weight: 700; font-size: 0.86rem;
}
.pagination a:hover { border-color: var(--color-accent); color: var(--color-accent); background: var(--color-accent-pale); }
.pagination .current { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }

/* Single post */
.post-hero-img { width: 100%; max-height: 460px; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow-card); margin-bottom: 40px; }
.post-meta { color: var(--color-accent); font-weight: 700; font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 14px; }
.post-content { max-width: 740px; margin: 0 auto; }
.post-content h1 { font-size: clamp(1.8rem, 3.6vw, 2.4rem); }
.post-content p { color: var(--color-charcoal); font-size: 1.05rem; }
.post-back { display: inline-block; margin-bottom: 30px; font-weight: 700; font-size: 0.86rem; }

/* Post prev/next nav */
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 56px; padding-top: 36px; border-top: 1px solid var(--color-border); }
.post-nav__link {
  display: flex; flex-direction: column; gap: 8px; padding: 22px;
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.post-nav__link:hover { border-color: var(--color-accent); background: var(--color-ice); transform: translateY(-2px); }
.post-nav__link--next { grid-column: 2; text-align: right; align-items: flex-end; }
.post-nav__label { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent); }
.post-nav__title { font-weight: 700; color: var(--color-charcoal); font-size: 0.95rem; }

/* Scroll reveal */
.reveal { opacity: 0; filter: blur(6px); transform: translateY(22px) scale(0.98); transition: opacity 0.7s cubic-bezier(0.22, 0.7, 0.2, 1), filter 0.7s cubic-bezier(0.22, 0.7, 0.2, 1), transform 0.7s cubic-bezier(0.22, 0.7, 0.2, 1); }
.reveal.is-visible { opacity: 1; filter: blur(0); transform: translateY(0) scale(1); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; filter: none; transform: none; transition: none; }
}

@media (max-width: 900px) {
  .service-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats-grid, .facility-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .site-header__cta { display: none; }
  .site-nav {
    display: none;
    position: absolute;
    top: 88px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: var(--color-frost);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-pop);
    padding: 16px 28px 26px;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { width: 100%; padding: 12px 0; border-bottom: 1px solid var(--color-border); }
  .site-nav__cta { display: inline-flex; margin-top: 10px; }
}

@media (max-width: 640px) {
  .blog-grid { grid-template-columns: 1fr; }
  .section { padding: 76px 0; }
  .hero .container { padding: 140px 24px 90px; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav__link--next { grid-column: 1; text-align: left; align-items: flex-start; }
}