/* ============================================================
   Biomarmedical — Global stylesheet
   Tokens, base reset, typography, buttons, cards, inputs,
   layout helpers, skip-link, page-hero, slim CTA, and the
   responsive scaffolding that applies across every page.

   Load order on every page:
     global.css → header.css → footer.css → <page>.css
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap");

:root {
  /* Brand greens */
  --biomar-green:       #026E49;
  --biomar-green-deep:  #014C33;
  --biomar-green-sage:  #4A8E6F;
  --biomar-green-mint:  #E8F1EC;

  /* Neutrals */
  --cream:              #FAF8F4;
  --white:              #FFFFFF;
  --ink:                #1A2A22;
  --slate:              #5B6B65;
  --slate-soft:         #8A9893;
  --border:             #D8E0DC;
  --border-strong:      #B9C5BF;

  /* Semantic */
  --success:            #026E49;
  --warning:            #C68A1F;
  --danger:             #B33A2A;
  --info:               #3A6FB3;

  /* Foreground / background tokens */
  --fg-1:               var(--ink);
  --fg-2:               var(--slate);
  --fg-3:               var(--slate-soft);
  --fg-inverse:         var(--white);
  --fg-brand:           var(--biomar-green);
  --bg-1:               var(--cream);
  --bg-2:               var(--white);
  --bg-3:               var(--biomar-green-mint);
  --bg-inverse:         var(--biomar-green-deep);

  /* Type families */
  --font-sans:    "Manrope", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-display: var(--font-sans);

  /* Type scale */
  --fs-display:   72px;
  --fs-h1:        56px;
  --fs-h2:        40px;
  --fs-h3:        28px;
  --fs-h4:        20px;
  --fs-body-lg:   18px;
  --fs-body:      16px;
  --fs-body-sm:   14px;
  --fs-caption:   12px;
  --fs-eyebrow:   12px;

  /* Weights */
  --fw-regular:   400;
  --fw-medium:    500;
  --fw-semibold:  600;
  --fw-bold:      700;
  --fw-heavy:     800;

  /* Line heights */
  --lh-tight:   1.08;
  --lh-snug:    1.20;
  --lh-normal:  1.50;
  --lh-relaxed: 1.65;

  /* Letter-spacing */
  --ls-display:  -0.015em;
  --ls-tight:    -0.01em;
  --ls-normal:    0;
  --ls-accent:    0.02em;
  --ls-eyebrow:   0.14em;
  --ls-button:    0.12em;

  /* Spacing (4px scale) */
  --space-1:   4px;
  --space-2:   8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  24px;
  --space-6:  32px;
  --space-7:  48px;
  --space-8:  64px;
  --space-9:  96px;
  --space-10: 128px;

  /* Radii */
  --radius-input:   8px;
  --radius-card:   12px;
  --radius-image:   8px;
  --radius-pill:  999px;

  /* Shadows */
  --shadow-1: 0 1px 2px rgba(2, 110, 73, 0.06), 0 1px 0 rgba(2, 110, 73, 0.04);
  --shadow-2: 0 8px 24px rgba(2, 110, 73, 0.10), 0 2px 4px rgba(2, 110, 73, 0.06);

  /* Motion */
  --ease:       cubic-bezier(0.2, 0, 0, 1);
  --duration:   180ms;

  /* Layout */
  --container-max: 1200px;
  --gutter:        24px;
}

/* ============================================================
   Reset
   ============================================================ */
html { box-sizing: border-box; }
*, *::before, *::after { box-sizing: inherit; }

body {
  margin: 0;
  background: var(--bg-1);
  color: var(--fg-1);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
  font-weight: var(--fw-regular);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

/* ============================================================
   Typography
   ============================================================ */
.display, h1.display {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: var(--fw-heavy);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-display);
  color: var(--fg-1);
  margin: 0;
}

h1, .h1 {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--fg-1);
  margin: 0 0 var(--space-5);
}

h2, .h2 {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  color: var(--fg-1);
  margin: 0 0 var(--space-4);
}

h3, .h3 {
  font-size: var(--fs-h3);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-tight);
  color: var(--fg-1);
  margin: 0 0 var(--space-3);
}

h4, .h4 {
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-normal);
  color: var(--fg-1);
  margin: 0 0 var(--space-2);
}

p, .body {
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
  color: var(--fg-2);
  margin: 0 0 var(--space-4);
}

.body-lg { font-size: var(--fs-body-lg); line-height: var(--lh-relaxed); }
.body-sm { font-size: var(--fs-body-sm); }
.caption { font-size: var(--fs-caption); color: var(--fg-3); letter-spacing: var(--ls-normal); }

.eyebrow {
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-eyebrow);
  color: var(--biomar-green);
  margin: 0 0 var(--space-3);
}

.accent {
  font-weight: var(--fw-heavy);
  text-transform: uppercase;
  letter-spacing: var(--ls-accent);
}

.hero-quote {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: var(--fw-medium);
  font-style: italic;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--white);
}
.hero-quote .accent { font-style: normal; color: var(--white); }

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.95em;
  color: var(--fg-1);
  background: var(--biomar-green-mint);
  padding: 0.1em 0.4em;
  border-radius: 4px;
}

a {
  color: var(--biomar-green);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: text-decoration-thickness var(--duration) var(--ease);
}
a:hover { text-decoration-thickness: 2px; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-button);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--duration) var(--ease),
              color var(--duration) var(--ease),
              transform var(--duration) var(--ease),
              border-color var(--duration) var(--ease);
}
.btn-primary { background: var(--biomar-green); color: var(--white); }
.btn-primary:hover { background: var(--biomar-green-deep); text-decoration: none; }
.btn-primary:active { transform: translateY(1px); }

.btn-secondary {
  background: transparent;
  color: var(--biomar-green);
  border-color: var(--biomar-green);
}
.btn-secondary:hover { background: var(--biomar-green-mint); text-decoration: none; }
.btn-secondary:active { transform: translateY(1px); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: transparent;
  padding: 10px 16px;
}
.btn-ghost:hover { background: var(--biomar-green-mint); text-decoration: none; }

/* Arrow icons on dark/green button surfaces — flip to white. */
.btn-primary img,
.cta-band .btn-secondary img { filter: brightness(0) invert(1); }

/* ============================================================
   Cards & inputs
   ============================================================ */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-1);
  padding: var(--space-6);
  transition: box-shadow var(--duration) var(--ease);
}
.card:hover { box-shadow: var(--shadow-2); }

.input {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-input);
  transition: border-color var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
}
.input::placeholder { color: var(--slate-soft); }
.input:focus {
  outline: none;
  border-color: var(--biomar-green);
  box-shadow: 0 0 0 3px rgba(2, 110, 73, 0.15);
}

/* ============================================================
   Layout helpers
   ============================================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section { padding: var(--space-9) 0; }
.section--cream { background: var(--cream); }
.section--white { background: var(--white); }

.eyebrow-rule {
  display: block;
  width: 80px;
  height: 3px;
  background: var(--biomar-green);
  margin: 0 0 var(--space-4);
  border-radius: 2px;
}
.eyebrow-rule.center { margin-left: auto; margin-right: auto; }

.icon-halo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: var(--biomar-green-mint);
  color: var(--biomar-green);
}
.icon-halo svg,
.icon-halo img { width: 40px; height: 40px; }
.icon-halo svg {
  stroke: currentColor;
  stroke-width: 1.75;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ============================================================
   Skip link (accessibility)
   ============================================================ */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--biomar-green);
  color: var(--white);
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  z-index: 100;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ls-button);
}
.skip-link:focus { left: 16px; top: 16px; }

/* ============================================================
   Section heads (shared across all pages)
   ============================================================ */
.section-head { margin-bottom: var(--space-7); max-width: 720px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--center .eyebrow-rule { margin-left: auto; margin-right: auto; }
.section-head__title {
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}
.section-head__sub {
  margin-top: var(--space-3);
  color: var(--slate);
  font-size: 17px;
  line-height: 1.65;
}

.section-title {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: var(--ink);
  margin: 0;
  max-width: 720px;
}
.section-title--narrow { max-width: 560px; }
.section-kicker {
  margin: var(--space-3) 0 0;
  color: var(--slate);
  font-size: 16px;
  line-height: 1.65;
  max-width: 540px;
}

/* ============================================================
   Page hero (used on About / Partners / Contact)
   ============================================================ */
.page-hero {
  background: var(--cream);
  padding: 110px 0 var(--space-9);
  border-bottom: 1px solid var(--border);
}
.page-hero__crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: var(--ls-button);
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: var(--space-6);
}
.page-hero__crumbs a { color: var(--slate); text-decoration: none; }
.page-hero__crumbs a:hover { color: var(--biomar-green); }
.page-hero__crumbs .sep { color: var(--slate-soft); }
.page-hero h1 {
  font-size: clamp(40px, 5.5vw, 68px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.022em;
  margin: 0;
  max-width: 920px;
}
.page-hero__lead {
  max-width: 720px;
  font-size: 19px;
  color: var(--slate);
  margin: var(--space-5) 0 0;
  line-height: 1.6;
}
.page-hero__grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--space-8);
  align-items: end;
}
.page-hero__aside {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
}
.page-hero__aside-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}
.page-hero__aside-key {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--biomar-green);
}
.page-hero__aside-val {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.005em;
}

/* ============================================================
   Slim CTA (shared across home / about / partners)
   ============================================================ */
.cta-slim {
  background: var(--white);
  padding: var(--space-8) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-slim__inner {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--space-6);
  align-items: center;
}
.cta-slim__title {
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.cta-slim__sub { margin: 0; font-size: 14.5px; color: var(--slate); }
.cta-slim__actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* ============================================================
   Legacy dark CTA band (kept for backward compatibility)
   ============================================================ */
.cta-band { background: var(--biomar-green-deep); color: var(--white); }
.cta-band__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  align-items: center;
  gap: var(--space-7);
  padding: var(--space-9) 0;
}
.cta-band__title {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-3);
  color: var(--white);
}
.cta-band__sub { font-size: 17px; color: rgba(255,255,255,0.85); margin: 0; }
.cta-band__actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  flex-wrap: wrap;
}
.cta-band .btn-primary { background: var(--white); color: var(--biomar-green); }
.cta-band .btn-primary:hover { background: rgba(255,255,255,0.92); }
.cta-band .btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.cta-band .btn-secondary:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.4);
}

/* ============================================================
   Responsive (global concerns only)
   Breakpoints: 1366 / 1200 / 1024 / 880 / 767
   Component-specific responsive lives in each component file.
   ============================================================ */

@media (max-width: 1200px) {
  .cta-slim__inner,
  .page-hero__grid { gap: var(--space-7); }
}

@media (max-width: 1024px) {
  :root { --gutter: 20px; }

  .section { padding-top: var(--space-8); padding-bottom: var(--space-8); }

  .cta-slim__inner,
  .page-hero__grid { gap: var(--space-6); }

  .section-title { font-size: clamp(26px, 3.2vw, 36px); }
}

@media (max-width: 880px) {
  :root { --gutter: 18px; }

  .section { padding-top: var(--space-7); padding-bottom: var(--space-7); }

  .cta-slim { padding-top: var(--space-7); padding-bottom: var(--space-7); }
  .cta-slim__inner,
  .page-hero__grid { grid-template-columns: 1fr; gap: var(--space-6); align-items: start; }
  .cta-slim__actions,
  .cta-band__actions { justify-content: flex-start; }

  .page-hero { padding-top: 96px; padding-bottom: var(--space-7); }
  .page-hero h1 { font-size: clamp(36px, 6vw, 52px); }
  .page-hero__lead { font-size: 17px; }
}

@media (max-width: 767px) {
  :root { --gutter: 16px; }

  .section { padding-top: var(--space-7); padding-bottom: var(--space-7); }

  .cta-slim { padding-top: var(--space-6); padding-bottom: var(--space-6); }
  .cta-slim__title { font-size: clamp(20px, 5.4vw, 24px); }
  .cta-slim__actions { flex-direction: column; align-items: stretch; width: 100%; }
  .cta-slim__actions .btn { width: 100%; }
  .cta-band__actions { flex-direction: column; align-items: stretch; }
  .cta-band__actions .btn { width: 100%; }

  .page-hero { padding-top: 76px; padding-bottom: var(--space-7); }
  .page-hero h1 { font-size: clamp(30px, 7.4vw, 42px); }
  .page-hero__lead { font-size: 16px; }
  .page-hero__crumbs { font-size: 11px; }
  .page-hero__aside-row { grid-template-columns: 1fr; gap: 6px; padding: var(--space-3) 0; align-items: stretch; }
  .page-hero__aside-key { padding-top: 0; }

  .section-title { font-size: clamp(22px, 7vw, 30px); }
}