/* ==========================================================================
   Common Health Group — CommonHealthGroup.org
   Editorial-minimal design system
   ========================================================================== */

:root {
  --bg:        #fcfcfa;
  --ink:       #10181d;
  --muted:     #5b6a70;
  --faint:     #93a1a6;
  --line:      #e7e7e2;
  --blue:      #2e6da4;
  --green:     #45a06b;
  --dark:      #0e1a22;
  --dark-text: #e9edee;
  --dark-muted:#93a5ab;
  --grad:      linear-gradient(100deg, #2e6da4 0%, #45a06b 100%);
  --max:       1200px;
  --pad-sec:   clamp(5.5rem, 12vh, 9rem);
  --ease:      cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

::selection { background: #d6e6da; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, .display {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 500;
  color: var(--ink);
}

h1 {
  font-size: clamp(2.7rem, 6.5vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.3rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

p { color: var(--muted); }

a { color: var(--ink); text-decoration: none; }

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

.container { width: min(var(--max), 90%); margin: 0 auto; }
.narrow    { width: min(720px, 90%); margin: 0 auto; }

section { padding: var(--pad-sec) 0; }

/* ------------------------------ Small elements ---------------------------- */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.6rem;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--grad);
  flex-shrink: 0;
}

.accent {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  line-height: 1.6;
  max-width: 34em;
  color: var(--muted);
}

.hairline { border: 0; border-top: 1px solid var(--line); }

/* --------------------------------- Links ---------------------------------- */

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  font-size: 1rem;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.2rem;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), gap 0.25s var(--ease);
}

.link-arrow::after { content: "\2192"; transition: transform 0.25s var(--ease); }

.link-arrow:hover { color: var(--blue); border-color: var(--blue); gap: 0.8rem; }

.btn {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 0.85rem 2rem;
  cursor: pointer;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}

.btn:hover { background: var(--ink); color: var(--bg); transform: translateY(-2px); }

.btn-solid { background: var(--ink); color: var(--bg); }
.btn-solid:hover { background: var(--blue); border-color: var(--blue); color: #fff; }

.btn-light { border-color: var(--dark-text); color: var(--dark-text); }
.btn-light:hover { background: var(--dark-text); color: var(--dark); }

/* --------------------------------- Header --------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(252, 252, 250, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-mark { width: 32px; height: 32px; flex-shrink: 0; }

.wm-blue  { color: var(--blue); }
.wm-green { color: var(--green); }

.main-nav { display: flex; align-items: center; gap: 2.4rem; }

.main-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s;
  position: relative;
}

.main-nav a:hover { color: var(--ink); }

.main-nav a.active { color: var(--ink); }

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--grad);
  border-radius: 2px;
}

.nav-cta {
  color: var(--ink) !important;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 0.45rem 1.25rem;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.nav-cta:hover { background: var(--ink); color: var(--bg) !important; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.4rem; }
.nav-toggle span { display: block; width: 22px; height: 1.5px; background: var(--ink); margin: 6px 0; }

/* ---------------------------------- Hero ----------------------------------- */

.hero {
  position: relative;
  padding: clamp(6rem, 16vh, 11rem) 0 clamp(5rem, 12vh, 8rem);
  overflow: hidden;
}

.hero h1 { max-width: 13em; }

.hero .lede { margin: 2.2rem 0 3rem; }

.hero-actions { display: flex; align-items: center; gap: 2.2rem; flex-wrap: wrap; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.hero-anim-wrap { display: flex; justify-content: center; }

.hero-anim {
  width: min(460px, 100%);
  animation: chg-float 7s ease-in-out infinite alternate;
}

/* --- Hero animation: draw-in shield, beating heart, signal pulses --- */

.hero-anim .shield {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: chg-draw 2.2s var(--ease) 0.2s forwards;
}

.hero-anim .heart-g {
  transform-box: fill-box;
  transform-origin: center;
  opacity: 0;
  animation:
    chg-fade 0.8s var(--ease) 1.4s forwards,
    chg-beat 2.6s ease-in-out 2.2s infinite;
}

.hero-anim .trace-base { opacity: 0.16; }

.hero-anim .trace {
  stroke-dasharray: 10 110;
  stroke-dashoffset: 0;
  animation: chg-flow 3s linear infinite;
}

.hero-anim .trace:nth-of-type(2)  { animation-delay: 0.4s; }
.hero-anim .trace:nth-of-type(3)  { animation-delay: 0.9s; }
.hero-anim .trace:nth-of-type(4)  { animation-delay: 1.3s; }
.hero-anim .trace:nth-of-type(5)  { animation-delay: 0.6s; }
.hero-anim .trace:nth-of-type(6)  { animation-delay: 1.7s; }
.hero-anim .trace:nth-of-type(7)  { animation-delay: 0.2s; }
.hero-anim .trace:nth-of-type(8)  { animation-delay: 1.1s; }
.hero-anim .trace:nth-of-type(9)  { animation-delay: 2.1s; }
.hero-anim .trace:nth-of-type(10) { animation-delay: 1.5s; }

.hero-anim .dot {
  transform-box: fill-box;
  transform-origin: center;
  animation: chg-dot 2.8s ease-in-out infinite;
}

.hero-anim .dot:nth-of-type(2)  { animation-delay: 0.3s; }
.hero-anim .dot:nth-of-type(3)  { animation-delay: 0.7s; }
.hero-anim .dot:nth-of-type(4)  { animation-delay: 1.1s; }
.hero-anim .dot:nth-of-type(5)  { animation-delay: 0.5s; }
.hero-anim .dot:nth-of-type(6)  { animation-delay: 1.5s; }
.hero-anim .dot:nth-of-type(7)  { animation-delay: 0.9s; }
.hero-anim .dot:nth-of-type(8)  { animation-delay: 1.9s; }
.hero-anim .dot:nth-of-type(9)  { animation-delay: 1.3s; }
.hero-anim .dot:nth-of-type(10) { animation-delay: 2.2s; }

@keyframes chg-draw { to { stroke-dashoffset: 0; } }

@keyframes chg-fade { to { opacity: 1; } }

@keyframes chg-beat {
  0%, 100% { transform: scale(1); }
  10%      { transform: scale(1.07); }
  20%      { transform: scale(1); }
  30%      { transform: scale(1.045); }
  40%      { transform: scale(1); }
}

@keyframes chg-flow { to { stroke-dashoffset: -120; } }

@keyframes chg-dot {
  0%, 100% { opacity: 0.45; transform: scale(1); }
  50%      { opacity: 1; transform: scale(1.35); }
}

@keyframes chg-float {
  from { transform: translateY(6px); }
  to   { transform: translateY(-8px); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-anim,
  .hero-anim .shield,
  .hero-anim .heart-g,
  .hero-anim .trace,
  .hero-anim .dot { animation: none; }
  .hero-anim .shield { stroke-dashoffset: 0; }
  .hero-anim .heart-g { opacity: 1; }
}

/* ------------------------------ Statement band ----------------------------- */

.statement h2 { max-width: 22em; }
.statement .lede { margin-top: 2rem; }

/* ------------------------------ Numbered rows ------------------------------ */

.rows { border-top: 1px solid var(--line); margin-top: 3.5rem; }

.row {
  display: grid;
  grid-template-columns: 90px 1fr 1.4fr;
  gap: 2.5rem;
  align-items: baseline;
  padding: 2.6rem 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease);
}

.row:hover { background: rgba(46, 109, 164, 0.025); }

.row .num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.row h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }

.row p { font-size: 1rem; max-width: 34em; }

/* -------------------------------- Dark band -------------------------------- */

.dark-band { background: var(--dark); }
.dark-band h1, .dark-band h2, .dark-band h3 { color: var(--dark-text); }
.dark-band p { color: var(--dark-muted); }
.dark-band .eyebrow { color: var(--dark-muted); }
.dark-band .link-arrow { color: var(--dark-text); border-color: var(--dark-text); }
.dark-band .link-arrow:hover { color: var(--green); border-color: var(--green); }

/* ------------------------------- Inline banner ----------------------------- */

.banner {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2.4rem 2.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.banner h3 { margin-bottom: 0.4rem; }
.banner p { font-size: 0.98rem; max-width: 42em; }

/* --------------------------------- Page hero ------------------------------- */

.page-hero {
  padding: clamp(5rem, 12vh, 8rem) 0 clamp(3rem, 6vh, 4.5rem);
  border-bottom: 1px solid var(--line);
}

.page-hero h1 { max-width: 15em; }
.page-hero .lede { margin-top: 2rem; }

/* ---------------------------------- Prose ---------------------------------- */

.prose h2 { margin: 3.2rem 0 1.2rem; font-size: clamp(1.5rem, 2.6vw, 2rem); }
.prose h3 { margin: 2.2rem 0 0.8rem; }
.prose p { margin-bottom: 1.1rem; }
.prose ul { list-style: none; margin: 1.4rem 0; }
.prose li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.9rem;
  color: var(--muted);
}
.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grad);
}
.prose strong { color: var(--ink); font-weight: 600; }
.prose a { color: var(--blue); border-bottom: 1px solid rgba(46,109,164,0.35); transition: border-color 0.2s; }
.prose a:hover { border-color: var(--blue); }

/* ---------------------------------- Forms ---------------------------------- */

.form-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: clamp(1.8rem, 3vw, 2.8rem);
  background: #ffffff;
}

.form-field { margin-bottom: 1.8rem; }

.form-field label {
  display: block;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.form-field input[type="text"],
.form-field input[type="tel"],
.form-field input[type="email"],
.form-field textarea {
  width: 100%;
  padding: 0.7rem 0.1rem;
  font-size: 1.05rem;
  font-family: inherit;
  color: var(--ink);
  border: none;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  transition: border-color 0.25s;
}

.form-field input:focus, .form-field textarea:focus {
  outline: none;
  border-bottom-color: var(--blue);
}

.consent-box {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.1rem 1.2rem;
  margin: 1.8rem 0;
}

.consent-box input[type="checkbox"] {
  margin-top: 0.28rem;
  width: 17px;
  height: 17px;
  accent-color: var(--blue);
  flex-shrink: 0;
}

.consent-box label { font-size: 0.86rem; color: var(--muted); line-height: 1.6; }
.consent-box a { color: var(--blue); }

.fine-print { font-size: 0.8rem; color: var(--faint); margin-top: 1.2rem; line-height: 1.6; }
.fine-print a { color: var(--muted); text-decoration: underline; }

.form-success {
  display: none;
  border: 1px solid var(--green);
  border-radius: 12px;
  padding: 1.3rem 1.5rem;
  color: var(--ink);
  margin-top: 1rem;
  font-size: 0.98rem;
}

/* -------------------------------- Legal pages ------------------------------ */

.legal .updated { font-size: 0.85rem; color: var(--faint); margin-bottom: 3rem; }
.legal h2 { font-size: 1.4rem; margin: 3rem 0 1rem; }
.legal p, .legal li { margin-bottom: 0.9rem; color: var(--muted); font-size: 0.98rem; }
.legal ul { list-style: none; margin: 1rem 0 1.5rem; }
.legal li { position: relative; padding-left: 1.5rem; }
.legal li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--grad);
}
.legal strong { color: var(--ink); }
.legal a { color: var(--blue); }

.highlight-clause {
  border-left: 2px solid;
  border-image: var(--grad) 1;
  padding: 0.4rem 0 0.4rem 1.6rem;
  margin: 2rem 0;
}
.highlight-clause p { color: var(--ink); font-weight: 500; margin: 0; }

/* --------------------------------- Two column ------------------------------ */

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
}

/* ---------------------------------- Footer --------------------------------- */

.site-footer {
  background: var(--dark);
  color: var(--dark-muted);
  padding: clamp(4rem, 8vh, 6rem) 0 2.5rem;
}

.footer-wordmark {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4.5vw, 3.2rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--dark-text);
  margin-bottom: 0.6rem;
}

.footer-tagline {
  font-size: 0.95rem;
  color: var(--dark-muted);
  margin-bottom: 3.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 2.5rem;
  padding: 2.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer h4 {
  font-family: 'Inter', sans-serif;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 1.1rem;
}

.site-footer p, .site-footer a { color: var(--dark-muted); font-size: 0.94rem; }
.site-footer a:hover { color: var(--dark-text); }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 0.55rem; }

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.82rem;
  color: #5d7077;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.footer-bottom a { color: #5d7077; }
.footer-bottom a:hover { color: var(--dark-text); }

/* ------------------------------ Reveal animation --------------------------- */

/* Only hide reveal elements when JS is running (html.js set by main.js) */
.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

.js .reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* -------------------------------- Responsive ------------------------------- */

@media (max-width: 920px) {
  .two-col { grid-template-columns: 1fr; }
  .row { grid-template-columns: 48px 1fr; }
  .row p { grid-column: 2; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-anim { width: min(320px, 80%); margin-top: 2rem; }
  .footer-grid { grid-template-columns: 1fr; }

  .nav-toggle { display: block; }

  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
  }

  .main-nav.open { display: flex; }

  .main-nav a {
    width: 100%;
    padding: 1.1rem 5%;
    border-top: 1px solid var(--line);
  }

  .main-nav a.active::after { display: none; }
  .nav-cta { border: none; border-radius: 0; }
}