:root {
  --color-navy: #12345b;
  --color-blue: #1f67a9;
  --color-sky: #eaf5ff;
  --color-sky-strong: #d7ecff;
  --color-ink: #1f2d3d;
  --color-muted: #5c6b7a;
  --color-border: #d8e1ea;
  --color-white: #ffffff;
  --color-bg: #f7fbff;
  --shadow-soft: 0 12px 30px rgba(18, 52, 91, 0.08);
  --radius: 18px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-white);
  font-family: "Sarabun", "Noto Sans Thai", "Leelawadee UI", Tahoma, Arial, sans-serif;
  font-size: 18px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; border-radius: 14px; }
a { color: var(--color-blue); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
a:hover { color: var(--color-navy); }
button, input, select, textarea { font: inherit; }
:focus-visible { outline: 3px solid #f2a900; outline-offset: 3px; }

.screen-reader-text {
  border: 0; clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; word-wrap: normal !important;
}
.screen-reader-text:focus { clip: auto !important; clip-path: none; height: auto; width: auto; top: 8px; left: 8px; z-index: 100000; background: #fff; padding: 12px 18px; }
.site-container { width: min(calc(100% - 32px), var(--container)); margin-inline: auto; }
.content-shell { padding-block: 56px 88px; }
.content-shell--narrow { max-width: 850px; }
.entry-content > * { margin-top: 0; margin-bottom: 1.25em; }
.entry-content > .alignwide { width: min(1100px, 100%); margin-left: auto; margin-right: auto; }
.entry-content h2, .entry-content h3 { color: var(--color-navy); line-height: 1.35; }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--color-border); backdrop-filter: blur(10px); }
.site-header__inner { min-height: 82px; display: flex; align-items: center; gap: 24px; }
.site-branding { flex: 0 0 auto; }
.site-branding__text { display: inline-flex; gap: 11px; align-items: center; color: var(--color-navy); text-decoration: none; line-height: 1.25; }
.site-branding__mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; color: #fff; background: var(--color-blue); font-size: 31px; font-weight: 700; }
.site-branding__text strong { display: block; font-size: 18px; }
.site-branding__text small { color: var(--color-muted); font-size: 13px; }
.custom-logo { max-height: 58px; width: auto; border-radius: 0; }
.primary-navigation { margin-left: auto; }
.primary-menu, .footer-menu { list-style: none; margin: 0; padding: 0; }
.primary-menu { display: flex; align-items: center; gap: 24px; }
.primary-menu a { color: var(--color-ink); text-decoration: none; font-weight: 600; font-size: 16px; }
.primary-menu a:hover, .primary-menu .current-menu-item > a { color: var(--color-blue); }
.nav-toggle { display: none; min-width: 48px; min-height: 48px; border: 1px solid var(--color-border); border-radius: 12px; background: #fff; color: var(--color-navy); cursor: pointer; }
.nav-toggle__label { position: absolute; clip: rect(1px,1px,1px,1px); }
.nav-toggle__icon { font-size: 25px; }

.button, .wp-block-button__link { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 11px 20px; border-radius: 999px; border: 2px solid transparent; font-weight: 700; text-decoration: none; transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease; }
.button:hover, .wp-block-button__link:hover { transform: translateY(-1px); }
.button--primary, .is-style-fill > .wp-block-button__link { color: #fff; background: var(--color-blue); box-shadow: 0 8px 20px rgba(31,103,169,.2); }
.button--primary:hover { color: #fff; background: var(--color-navy); }
.header-call { white-space: nowrap; }

.page-hero { padding: 52px 0; background: linear-gradient(135deg, var(--color-sky), #fff); border-bottom: 1px solid var(--color-border); }
.page-hero h1 { margin: 0; color: var(--color-navy); font-size: clamp(2rem, 6vw, 3.45rem); line-height: 1.2; }
.eyebrow { margin: 0 0 8px; color: var(--color-blue); font-size: 14px; font-weight: 800; letter-spacing: .03em; }

.hero-clinic { padding: clamp(48px, 8vw, 96px) 0; background: radial-gradient(circle at 90% 20%, var(--color-sky-strong), transparent 40%), linear-gradient(180deg, #fff 0%, var(--color-bg) 100%); }
.hero-clinic h1 { margin: 0 0 18px; max-width: 760px; color: var(--color-navy); font-size: clamp(2.3rem, 7vw, 4.7rem); line-height: 1.15; }
.hero-clinic p { max-width: 720px; font-size: clamp(1.06rem, 2.2vw, 1.28rem); color: var(--color-muted); }
.hero-clinic .wp-block-buttons { margin-top: 28px; }

.condition-grid, .post-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.condition-card, .post-card, .info-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: var(--shadow-soft); overflow: hidden; }
.condition-card { padding: 24px; }
.condition-card h3 { margin-top: 0; color: var(--color-navy); }
.condition-card a { display: inline-block; font-weight: 700; }
.post-card__image { display: block; aspect-ratio: 16/9; overflow: hidden; background: var(--color-sky); }
.post-card__image img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }
.post-card__body { padding: 24px; }
.post-card h2 { margin: 0 0 12px; font-size: 1.35rem; line-height: 1.4; }
.post-card h2 a { color: var(--color-navy); text-decoration: none; }

.section-soft { padding: 64px 0; background: var(--color-bg); }
.section-white { padding: 64px 0; background: #fff; }
.section-heading { max-width: 780px; margin-bottom: 30px; }
.section-heading h2 { margin-bottom: 10px; color: var(--color-navy); font-size: clamp(1.7rem, 4vw, 2.6rem); }
.clinic-note, .medical-note { padding: 18px 20px; border-left: 4px solid var(--color-blue); background: var(--color-sky); border-radius: 10px; }
.text-link { font-weight: 700; }

.article-header h1 { color: var(--color-navy); font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.25; }
.article-featured { margin: 24px 0 36px; }
.article-footer { margin-top: 44px; }
.navigation.pagination { margin-top: 36px; }
.nav-links { display: flex; gap: 8px; flex-wrap: wrap; }
.page-numbers { min-width: 44px; min-height: 44px; padding: 8px 12px; display: grid; place-items: center; border: 1px solid var(--color-border); border-radius: 10px; text-decoration: none; }
.page-numbers.current { background: var(--color-navy); color: #fff; }

.site-footer { margin-top: 40px; padding: 56px 0 24px; background: var(--color-navy); color: #dce9f6; }
.site-footer__grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr; gap: 32px; }
.site-footer h2 { margin-top: 0; color: #fff; font-size: 1.1rem; }
.site-footer a { color: #fff; }
.site-footer__title { font-size: 1.4rem !important; }
.footer-menu li { margin-bottom: 8px; }
.site-footer__bottom { padding-top: 28px; margin-top: 32px; border-top: 1px solid rgba(255,255,255,.15); font-size: 14px; }
.mobile-contact-bar { display: none; }
.empty-state { padding: 56px 0; text-align: center; }

@media (max-width: 980px) {
  .header-call { display: none; }
  .nav-toggle { display: inline-grid; place-items: center; margin-left: auto; }
  .primary-navigation { position: absolute; left: 0; right: 0; top: 100%; display: none; margin: 0; padding: 12px 16px 20px; background: #fff; border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-soft); }
  .nav-open .primary-navigation { display: block; }
  .primary-menu { flex-direction: column; align-items: stretch; gap: 4px; }
  .primary-menu a { display: block; min-height: 48px; padding: 11px 12px; border-radius: 10px; }
  .condition-grid, .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  body { font-size: 17px; padding-bottom: 64px; }
  .site-header__inner { min-height: 72px; gap: 12px; }
  .site-branding__text strong { font-size: 15px; }
  .site-branding__text small { font-size: 12px; }
  .site-branding__mark { width: 38px; height: 38px; }
  .condition-grid, .post-grid, .site-footer__grid { grid-template-columns: 1fr; }
  .content-shell { padding-block: 38px 64px; }
  .section-soft, .section-white { padding: 48px 0; }
  .mobile-contact-bar { display: block; position: fixed; z-index: 110; left: 10px; right: 10px; bottom: 10px; }
  .mobile-contact-bar a { display: flex; align-items: center; justify-content: center; min-height: 52px; border-radius: 999px; background: var(--color-blue); color: #fff; font-weight: 800; text-decoration: none; box-shadow: 0 12px 28px rgba(18,52,91,.3); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

.button--secondary { color: var(--color-navy); background: #fff; border-color: var(--color-border); }
.button--secondary:hover { background: var(--color-sky); color: var(--color-navy); }
.clinic-info-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; margin: 26px 0; }
.info-card { padding: 24px; }
.info-card h3 { margin: 0 0 8px; color: var(--color-navy); }
.info-card p { margin: 0; }
.clinic-contact-buttons { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0; }
@media (max-width: 760px) { .clinic-info-grid { grid-template-columns: 1fr; } }


/* ==================================================
   Homepage layout & spacing
   ================================================== */

/* จัดระยะซ้าย-ขวาของ Section หลักให้ตรงกัน */
.hero-clinic,
.section-soft,
.section-white {
  padding-left: max(24px, calc((100vw - var(--container)) / 2));
  padding-right: max(24px, calc((100vw - var(--container)) / 2));
}

/* Hero Columns - รองรับทั้งกรณี class อยู่ที่ Columns
   และอยู่ที่ Group ครอบ Columns */
.hero-clinic.wp-block-columns,
.hero-clinic .wp-block-columns {
  align-items: center;
  gap: clamp(36px, 5vw, 72px);
  margin-left: auto;
  margin-right: auto;
}

/* ฝั่งข้อความ */
.hero-clinic .wp-block-column:first-child {
  min-width: 0;
}

.hero-clinic .eyebrow {
  margin: 0 0 12px;
}

.hero-clinic h1 {
  margin: 0 0 18px;
  max-width: 680px;
  color: var(--color-navy);
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  line-height: 1.12;
}

.hero-clinic p {
  margin: 0 0 24px;
  max-width: 680px;
  color: var(--color-muted);
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
  line-height: 1.75;
}

.hero-clinic .wp-block-buttons {
  margin-top: 24px;
  gap: 12px;
}

/* รูปคุณหมอ */
.hero-clinic img {
  display: block;
  width: min(100%, 500px);
  margin-left: auto;
  margin-right: auto;
}

/* Tablet */
@media (max-width: 980px) {

  .hero-clinic,
  .section-soft,
  .section-white {
    padding-left: 24px;
    padding-right: 24px;
  }

  .hero-clinic.wp-block-columns,
  .hero-clinic .wp-block-columns {
    gap: 28px;
  }

  .hero-clinic h1 {
    font-size: clamp(2.1rem, 7vw, 3.5rem);
  }
}

/* Mobile */
@media (max-width: 680px) {

  .hero-clinic,
  .section-soft,
  .section-white {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero-clinic.wp-block-columns,
  .hero-clinic .wp-block-columns {
    gap: 24px;
  }

  .hero-clinic h1 {
    font-size: clamp(1.9rem, 9vw, 2.8rem);
    line-height: 1.16;
  }

  .hero-clinic p {
    font-size: 1rem;
  }
}

/* ==================================================
   Single Article - Reading Experience
   ================================================== */

.single-post .content-shell--narrow {
  width: min(calc(100% - 48px), 820px);
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
  padding-top: 64px;
  padding-bottom: 88px;
}

.single-post .article-header {
  margin-bottom: 34px;
}

.single-post .article-header h1 {
  margin: 0;
  max-width: 780px;
  color: var(--color-navy);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.22;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.single-post .article-featured {
  margin: 0 0 42px;
}

.single-post .article-featured img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
}

.single-post .entry-content {
  color: var(--color-ink);
  font-size: 20px;
  line-height: 1.9;
  overflow-wrap: break-word;
}

.single-post .entry-content > * {
  margin-top: 0;
  margin-bottom: 1.55em;
}

.single-post .entry-content p {
  margin-top: 0;
  margin-bottom: 1.55em;
}

.single-post .entry-content h2 {
  margin-top: 2.1em;
  margin-bottom: 0.75em;
  color: var(--color-navy);
  font-size: clamp(1.75rem, 3.4vw, 2.25rem);
  line-height: 1.35;
}

.single-post .entry-content h3 {
  margin-top: 1.75em;
  margin-bottom: 0.7em;
  color: var(--color-navy);
  font-size: clamp(1.4rem, 2.8vw, 1.75rem);
  line-height: 1.4;
}

.single-post .entry-content h4 {
  margin-top: 1.6em;
  margin-bottom: 0.65em;
  color: var(--color-navy);
  font-size: 1.25rem;
  line-height: 1.45;
}

.single-post .entry-content ul,
.single-post .entry-content ol {
  margin: 0 0 1.7em;
  padding-left: 1.6em;
}

.single-post .entry-content li {
  margin-bottom: 0.55em;
  padding-left: 0.2em;
}

.single-post .entry-content a {
  color: var(--color-blue);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
}

.single-post .entry-content a:hover {
  color: var(--color-navy);
}

.single-post .entry-content figure {
  margin-top: 2em;
  margin-bottom: 2em;
}

.single-post .entry-content img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  margin-left: auto;
  margin-right: auto;
  border-radius: 16px;
}

.single-post .entry-content figcaption {
  margin-top: 10px;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.6;
  text-align: center;
}

.single-post .entry-content blockquote {
  margin: 2em 0;
  padding: 20px 24px;
  border-left: 4px solid var(--color-blue);
  border-radius: 0 12px 12px 0;
  background: var(--color-sky);
  color: var(--color-navy);
}

.single-post .entry-content hr {
  margin: 3em 0;
  border: 0;
  border-top: 1px solid var(--color-border);
}

.single-post .article-footer {
  margin-top: 56px;
}

.single-post .medical-note {
  margin: 0;
  padding: 20px 24px;
  border-left: 4px solid var(--color-blue);
  border-radius: 12px;
  background: var(--color-sky);
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.75;
}

@media (max-width: 980px) {
  .single-post .content-shell--narrow {
    width: min(calc(100% - 40px), 820px);
    padding-top: 48px;
    padding-bottom: 72px;
  }

  .single-post .entry-content {
    font-size: 19px;
  }
}

@media (max-width: 680px) {
  .single-post .content-shell--narrow {
    width: calc(100% - 32px);
    padding-top: 36px;
    padding-bottom: 56px;
  }

  .single-post .article-header {
    margin-bottom: 28px;
  }

  .single-post .article-header h1 {
    font-size: clamp(2rem, 10vw, 2.7rem);
    line-height: 1.25;
  }

  .single-post .article-featured {
    margin-bottom: 32px;
  }

  .single-post .entry-content {
    font-size: 18px;
    line-height: 1.85;
  }

  .single-post .entry-content h2 {
    margin-top: 1.8em;
  }

  .single-post .medical-note {
    padding: 18px;
    font-size: 15px;
  }
}