/*
Theme Name: VitalCKM
Theme URI: https://vitalckm.com
Author: Vital CKM, Inc.
Description: Corporate marketing theme for vitalckm.com — the parent site for the VitalCKM Clinical Intelligence Platform, matching the design language of cardio.vitalckm.com and ckd.vitalckm.com.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: vitalckm
*/

/* ============================================================
   DESIGN TOKENS — matches the cardio.vitalckm.com / ckd.vitalckm.com
   design system: C = blue, K = light blue, M = violet.
   The parent site uses all three evenly since it represents the
   whole Cardiovascular–Kidney–Metabolic platform, not one product.
   ============================================================ */
:root {
  --ink-900: #10192b;
  --ink-600: #4a5670;
  --ink-400: #8b96ab;
  --paper-50: #f6f8fc;
  --paper-100: #eef1f8;
  --line-200: #dbe2f0;
  --line-100: #e9edf7;

  --blue-700: #013f8f;
  --blue-600: #025bcd;   /* C — Cardiovascular */
  --blue-100: #e5f2fd;

  --sky-600: #2ca8f0;    /* K — Kidney */
  --sky-100: #e6f6fe;

  --violet-700: #591896;
  --violet-600: #6f1eb8; /* M — Metabolic */
  --violet-100: #f2e8fb;

  --moss-500: #2f8f6b;
  --moss-100: #e1f3ec;
  --risk-700: #9f1d35;
  --risk-600: #b8293f;
  --risk-100: #fbe4e8;

  --brand-gradient: linear-gradient(100deg, #025bcd 0%, #2ca8f0 50%, #6f1eb8 100%);

  --font-display: "Fraunces", ui-serif, Georgia, serif;
  --font-body: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --shadow-panel: 0 1px 2px rgba(16, 25, 43, 0.04), 0 8px 24px rgba(16, 25, 43, 0.06);
}

/* ============================================================
   RESET / BASE
   ============================================================ */
* { box-sizing: border-box; }

html, body { overflow-x: hidden; overflow-x: clip; width: 100%; touch-action: pan-y; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper-50);
  color: var(--ink-900);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--blue-600); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 16px;
  color: var(--ink-900);
}
h1 { font-size: 44px; letter-spacing: -0.01em; }
h2 { font-size: 32px; letter-spacing: -0.01em; }
h3 { font-size: 22px; }
p { margin: 0 0 16px; color: var(--ink-600); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-600);
}

:focus-visible {
  outline: 2px solid var(--blue-600);
  outline-offset: 2px;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 72px 0; }
section.tight { padding: 40px 0; }

.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-head h2 { margin-bottom: 12px; }
.section-head p { font-size: 18px; }

.grad-divider {
  height: 3px;
  background: var(--brand-gradient);
  border: none;
  margin: 0;
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(246, 248, 252, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line-200);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}

.site-logo img { height: 34px; width: auto; }

.primary-nav ul {
  list-style: none;
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
}

.primary-nav a {
  display: block;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--ink-900);
  font-weight: 500;
  font-size: 15px;
}
.primary-nav a:hover,
.primary-nav .current-menu-item > a {
  background: var(--blue-100);
  color: var(--blue-700);
  text-decoration: none;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
  appearance: none;
  border: 1px solid var(--line-200);
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 20px;
  line-height: 1;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15.5px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.06s ease, box-shadow 0.15s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--blue-600);
  color: #fff;
}
.btn-primary:hover { background: var(--blue-700); color: #fff; }

.btn-gradient {
  background: var(--brand-gradient);
  color: #fff;
  box-shadow: 0 8px 24px rgba(2, 91, 205, 0.25);
}
.btn-gradient:hover { color: #fff; filter: brightness(1.05); }

.btn-outline {
  background: #fff;
  border-color: var(--line-200);
  color: var(--ink-900);
}
.btn-outline:hover { border-color: var(--blue-600); color: var(--blue-700); }

.btn-sm { padding: 8px 16px; font-size: 14px; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 88px 0 64px;
  text-align: center;
}
.hero-badge {
  width: 92px;
  height: 92px;
  margin: 0 auto 28px;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-panel);
}
.hero-badge img { width: 100%; height: 100%; object-fit: cover; }

.hero h1 { max-width: 820px; margin: 0 auto 18px; }
.hero .lede {
  max-width: 640px;
  margin: 0 auto 32px;
  font-size: 19px;
}
.hero-ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.hero-tagline {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-400);
}
.hero-tagline b { color: var(--blue-600); }
.hero-tagline .k { color: var(--sky-600); }
.hero-tagline .m { color: var(--violet-600); }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: #fff;
  border: 1px solid var(--line-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-panel);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.pillar-card { text-align: left; }
.pillar-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  color: #fff;
}
.pillar-icon.c { background: var(--blue-600); }
.pillar-icon.k { background: var(--sky-600); }
.pillar-icon.m { background: var(--violet-600); }

.pillar-card h3 { margin-bottom: 8px; }
.pillar-card .tag {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pillar-card.c .tag { color: var(--blue-600); }
.pillar-card.k .tag { color: var(--sky-600); }
.pillar-card.m .tag { color: var(--violet-600); }

/* ============================================================
   STATS STRIP
   ============================================================ */
.stats-strip {
  background: var(--ink-900);
  color: #fff;
  padding: 48px 0;
}
.stats-strip .grid-3,
.stats-strip .grid-4 { text-align: center; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
@media (max-width: 860px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
.stat-num {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 700;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #b7c0d6;
  margin-top: 6px;
}
.stats-strip .stats-note {
  text-align: center;
  color: #8492ac;
  font-size: 13px;
  margin: 28px 0 0;
}

/* ============================================================
   PRODUCT CARDS (Products page)
   ============================================================ */
.product-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.product-status {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
}
.product-status.live { background: var(--moss-100); color: var(--moss-500); }
.product-status.beta { background: var(--sky-100); color: #0779c9; }
.product-status.soon { background: var(--violet-100); color: var(--violet-600); }

.product-card h3 { margin-bottom: 4px; }
.product-card .product-desc { flex: 1; }
.product-card .btn { align-self: flex-start; }

/* ============================================================
   SERVICES
   ============================================================ */
.service-card { display: flex; flex-direction: column; gap: 10px; }
.service-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-400);
}

/* ============================================================
   TEAM
   ============================================================ */
.team-card { text-align: left; }
.team-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--brand-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  margin-bottom: 14px;
}
.team-card .role {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 6px;
}
.team-card .name { font-family: var(--font-display); font-weight: 600; font-size: 18px; margin-bottom: 4px; }

/* ---- Featured founder profile (About Us leadership section) ---- */
.founder-feature {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--line-200);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-panel);
}
.founder-avatar {
  width: 96px;
  height: 96px;
  font-size: 30px;
  flex-shrink: 0;
}
.founder-feature-body .role {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 6px;
}
.founder-feature-body .name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  margin: 0 0 14px;
}
.founder-feature-body p { margin-bottom: 12px; }
.founder-feature-body p:last-child { margin-bottom: 0; }

.advisory-note {
  margin-top: 22px;
  background: var(--blue-100);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
}
.advisory-note h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  margin: 0 0 8px;
  color: var(--ink-900);
}
.advisory-note p { margin: 0; color: var(--ink-600); }

@media (max-width: 700px) {
  .founder-feature { flex-direction: column; gap: 18px; padding: 28px; }
}

/* ============================================================
   TABLES (category tables, platform layers)
   ============================================================ */
.vckm-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-panel); }
.vckm-table th, .vckm-table td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line-100); font-size: 15px; }
.vckm-table th { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-400); background: var(--paper-100); }
.vckm-table tr:last-child td { border-bottom: none; }
.vckm-table td.no { color: var(--ink-400); }

/* ============================================================
   RESEARCH LIST
   ============================================================ */
.research-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 36px;
}
.research-filters a {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-200);
  color: var(--ink-900);
  font-size: 14px;
  font-weight: 500;
}
.research-filters a.active,
.research-filters a:hover {
  background: var(--blue-600);
  border-color: var(--blue-600);
  color: #fff;
  text-decoration: none;
}

.research-list { display: flex; flex-direction: column; gap: 18px; }
.research-item {
  background: #fff;
  border: 1px solid var(--line-200);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
}
.research-item .cat {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 6px;
}
.research-item h3 { margin: 0 0 6px; font-size: 19px; }
.research-item .date { font-size: 13px; color: var(--ink-400); white-space: nowrap; }
.research-empty {
  text-align: center;
  padding: 40px;
  color: var(--ink-400);
  border: 1px dashed var(--line-200);
  border-radius: var(--radius-md);
}

/* single research post */
.single-research .shell { max-width: 760px; }
.single-research .post-meta { font-family: var(--font-mono); font-size: 13px; color: var(--ink-400); margin-bottom: 8px; }
.single-research h1 { font-size: 34px; }
.single-research .post-body { font-size: 17.5px; line-height: 1.7; }
.single-research .post-body h2 { font-size: 24px; margin-top: 32px; }
.single-research .back-link { display: inline-block; margin-bottom: 24px; font-size: 14px; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
@media (max-width: 860px) { .contact-wrap { grid-template-columns: 1fr; } }

.contact-info .info-row { margin-bottom: 22px; }
.contact-info .info-row .label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin-bottom: 4px;
}
.contact-info .info-row .value { font-size: 16.5px; font-weight: 500; }

.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-200);
  background: var(--paper-100);
  font-family: var(--font-body);
  font-size: 15.5px;
  color: var(--ink-900);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue-600);
  background: #fff;
}
.field textarea { min-height: 140px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }

.form-notice {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 14.5px;
}
.form-notice.success { background: var(--moss-100); color: var(--moss-500); }
.form-notice.error { background: var(--risk-100); color: var(--risk-700); }

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band {
  background: var(--brand-gradient);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 56px;
  text-align: center;
}
.cta-band h2, .cta-band p { color: #fff; }
.cta-band .btn-outline { background: #fff; color: var(--ink-900); border-color: transparent; }

/* ============================================================
   DISCLAIMER
   ============================================================ */
.disclaimer-box {
  background: var(--paper-100);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  font-size: 13.5px;
  color: var(--ink-400);
  line-height: 1.6;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--ink-900);
  color: #b7c0d6;
  padding: 56px 0 28px;
  margin-top: 40px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}
@media (max-width: 760px) { .footer-top { grid-template-columns: 1fr 1fr; } }
.footer-brand img { height: 30px; margin-bottom: 12px; }
.footer-brand p { color: #8492ac; font-size: 14px; max-width: 260px; }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: #b7c0d6; font-size: 14.5px; }
.footer-col a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 22px;
  font-size: 13px;
  color: #6b7690;
}
.footer-bottom .disclaimer-box {
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.08);
  color: #8492ac;
  margin-bottom: 18px;
}

/* ============================================================
   MOBILE NAV
   ============================================================ */
@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .primary-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line-200);
    box-shadow: var(--shadow-panel);
  }
  .primary-nav.open { display: block; }
  .primary-nav ul { flex-direction: column; padding: 12px; gap: 2px; }
  .primary-nav a { padding: 12px 14px; }
  .header-cta .btn-outline { display: none; }
  .hero { padding: 56px 0 40px; }
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  section { padding: 48px 0; }
  .cta-band { padding: 36px 24px; }
}