/* ===========================================================
   Marta Gurule, RN — Site Design System
   Palette continues the CSSI / Nurse Brain artifact brand:
   navy authority, warm paper background, teal + coral accents.
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Color tokens */
  --navy: #0B1F3A;
  --navy-soft: #16335C;
  --paper: #FAF7F2;
  --paper-dim: #F1ECE3;
  --teal: #2AA9C4;
  --teal-deep: #1D7E94;
  --coral: #E0556F;
  --coral-deep: #C53A56;
  --ink: #1A1A1A;
  --ink-soft: #4A4F58;
  --line: #DCD5C8;
  --white: #FFFFFF;

  /* Type */
  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --max-width: 1140px;
}

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

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

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

a {
  color: var(--teal-deep);
  text-decoration: none;
}
a:hover { color: var(--coral-deep); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy);
  font-optical-sizing: auto;
  font-variation-settings: 'opsz' 28, 'SOFT' 0;
  line-height: 1.12;
  margin: 0 0 0.5em;
  font-weight: 600;
}

h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); font-weight: 600; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.2rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; color: var(--ink-soft); }

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

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* ---------- Utility label / mono tag (echoes a chart readout) ---------- */
.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-deep);
  font-weight: 500;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--coral-deep);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
  display: inline-block;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.nav-brand span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.07em;
  color: var(--ink-soft);
  text-transform: uppercase;
  margin-top: 2px;
  font-weight: 400;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}
.nav-links a {
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 500;
}
.nav-links a.active { color: var(--coral-deep); }

.nav-cta {
  background: var(--navy);
  color: var(--paper) !important;
  padding: 9px 18px;
  border-radius: 3px;
  font-size: 0.88rem;
  font-weight: 600;
  transition: background 0.18s ease;
}
.nav-cta:hover { background: var(--coral-deep); }

.nav-toggle { display: none; }

@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-toggle {
    display: block;
    background: none;
    border: none;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--navy);
    cursor: pointer;
  }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 20px 28px 28px;
    gap: 18px;
  }
}

/* ---------- Vitals strip (signature motif) ---------- */
.vitals-strip {
  display: flex;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-dim);
}
.vitals-strip .vital {
  flex: 1;
  padding: 18px 20px;
  border-right: 1px solid var(--line);
  text-align: left;
}
.vitals-strip .vital:last-child { border-right: none; }
.vitals-strip .vital .num {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--navy);
  font-weight: 600;
  display: block;
}
.vitals-strip .vital .label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}
@media (max-width: 700px) {
  .vitals-strip { flex-wrap: wrap; }
  .vitals-strip .vital { flex: 1 1 50%; border-bottom: 1px solid var(--line); }
}

.phrase-strip .vital {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px 16px;
  text-align: center;
}
.phrase-strip .phrase {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--navy);
}
@media (max-width: 700px) {
  .phrase-strip .vital { flex: 1 1 50%; padding: 18px 12px; }
  .phrase-strip .phrase { font-size: 0.7rem; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
}
.btn-primary {
  background: var(--coral);
  color: var(--white) !important;
}
.btn-primary:hover { background: var(--coral-deep); }
.btn-secondary {
  background: transparent;
  border-color: var(--navy);
  color: var(--navy) !important;
}
.btn-secondary:hover { background: var(--navy); color: var(--paper) !important; }

/* ---------- Hero ---------- */
.hero {
  padding: 88px 0 56px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { margin-bottom: 20px; }
.hero .lede {
  font-size: 1.12rem;
  color: var(--ink-soft);
  max-width: 540px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.pulse-wrap {
  background: var(--navy);
  border-radius: 6px;
  padding: 26px 22px 18px;
  position: relative;
}
.pulse-wrap .tag {
  color: var(--teal);
  margin-bottom: 10px;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  font-size: clamp(0.5rem, 2.6vw, 0.72rem);
}
.pulse-line {
  width: 100%;
  height: 64px;
  display: block;
}
.pulse-line.loop-diagram {
  height: 220px;
}
.pulse-caption {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #9FB3C8;
  margin-top: 10px;
  letter-spacing: 0.02em;
}

@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.loop-card {
  display: flex;
  align-items: center;
  justify-content: center;
}
.loop-card-img {
  display: block;
  width: 100%;
  max-width: 420px;
  border-radius: 8px;
}

/* ---------- Section base ---------- */
section { padding: 76px 0; }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Triage lanes (signature severity-style cards) ---------- */
.lanes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
.lane {
  background: var(--white);
  padding: 28px 26px;
  border-right: 1px solid var(--line);
  position: relative;
}
.lane:last-child { border-right: none; }
.lane-level {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  display: inline-block;
  padding: 3px 9px;
  border-radius: 3px;
  margin-bottom: 14px;
  color: var(--white);
}
.lane h3 { margin-bottom: 10px; }
.lane p { font-size: 0.93rem; margin-bottom: 0; }

.lane.l1 .lane-level { background: var(--coral); }
.lane.l2 .lane-level { background: var(--teal-deep); }
.lane.l3 .lane-level { background: var(--navy-soft); }

@media (max-width: 820px) {
  .lanes { grid-template-columns: 1fr; }
  .lane { border-right: none; border-bottom: 1px solid var(--line); }
  .lane:last-child { border-bottom: none; }
}

/* ---------- Proof / case study callout ---------- */
.proof-block {
  background: var(--navy);
  border-radius: 8px;
  padding: 44px;
  color: var(--paper);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 36px;
  align-items: center;
}
.proof-block .eyebrow { color: var(--teal); }
.proof-block .eyebrow::before { background: var(--teal); }
.proof-block h2 { color: var(--white); margin-bottom: 14px; }
.proof-block p { color: #C7D3E0; }
.proof-block .quote {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-style: italic;
  font-variation-settings: 'opsz' 24;
  color: var(--white);
  line-height: 1.4;
  margin-bottom: 18px;
}
.proof-visual {
  width: 220px;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.15);
  flex-shrink: 0;
}
.proof-visual img { width: 100%; display: block; }

@media (max-width: 820px) {
  .proof-block { grid-template-columns: 1fr; padding: 32px 24px; }
  .proof-visual { width: 100%; max-width: 280px; }
}

/* ---------- About teaser card ---------- */
.about-teaser {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: center;
}
.about-teaser .photo {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 8px;
  background: var(--paper-dim);
  border: 1px solid var(--line);
  overflow: hidden;
}
.about-teaser .photo img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 700px) {
  .about-teaser { grid-template-columns: 1fr; }
  .about-teaser .photo { max-width: 200px; margin: 0 auto; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: #B9C6D6;
  padding: 48px 0 28px;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 28px;
  margin-bottom: 28px;
}
.footer-brand {
  font-family: var(--font-display);
  color: var(--white);
  font-size: 1.1rem;
}
.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}
.footer-links a { color: #B9C6D6; font-size: 0.9rem; }
.footer-links a:hover { color: var(--teal); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 20px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: #7E92AA;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Generic content page styles (About, Portfolio, etc.) ---------- */
.page-hero {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--line);
}
.prose { max-width: 700px; }
.prose p { font-size: 1.02rem; }
.prose strong { color: var(--navy); }

.case-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 28px;
}
.case-card .meta-row {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 3px;
  background: var(--paper-dim);
  color: var(--navy);
  border: 1px solid var(--line);
}
.case-card h3 { margin-bottom: 14px; }
.case-card .field-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--coral-deep);
  display: block;
  margin-bottom: 4px;
  margin-top: 16px;
}
.case-card .field-label:first-of-type { margin-top: 0; }
.case-card .case-actions { margin-top: 22px; display: flex; gap: 12px; flex-wrap: wrap; }
.case-card img { border-radius: 6px; border: 1px solid var(--line); margin: 16px 0; }

.contact-form {
  display: grid;
  gap: 18px;
  max-width: 560px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
@media (max-width: 760px) {
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
}
.contact-form label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--navy);
  display: block;
  margin-bottom: 6px;
}
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--white);
  color: var(--ink);
}
.contact-form input:focus, .contact-form textarea:focus {
  border-color: var(--teal);
  outline: none;
}

.bg-paper-dim { background: var(--paper-dim); }
.bg-navy { background: var(--navy); color: var(--paper); }
.bg-navy h2 { color: var(--white); }
.bg-navy p { color: #C7D3E0; }

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }

/* ---------- Testimonials ---------- */
.testimonials-section {
  background: var(--paper-dim);
  padding: 64px 0;
  border-top: 1px solid var(--line);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
}
.testimonial-card .quote-mark {
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 8px;
}
.testimonial-card p.quote-text {
  font-size: 0.95rem;
  color: var(--ink);
  line-height: 1.55;
  flex-grow: 1;
  margin-bottom: 18px;
}
.testimonial-card .attribution {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.testimonial-card .attribution .name {
  font-weight: 600;
  color: var(--navy);
  font-size: 0.92rem;
  display: block;
}
.testimonial-card .attribution .role {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  display: block;
  margin-top: 3px;
}

@media (max-width: 820px) {
  .testimonials-grid { grid-template-columns: 1fr; }
}