:root {
  --cream: #f8f3ec;
  --beige: #efe6da;
  --dark: #1e2a2d;
  --ink: #1f2628;
  --muted: #6b6f6e;
  --terracotta: #b4532f;
  --terracotta-dark: #9a4426;
  --sage: #d9e6e1;
  --tan: #e7ddcc;
  --rose: #f4dccf;
  --border: #e4ddd2;
  --white: #ffffff;
  --radius: 16px;
  --serif: "Fraunces", Georgia, serif;
  --sans: "DM Sans", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}
img { max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 12px; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; color: var(--ink); margin: 0 0 20px; line-height: 1.12; }
h1 { font-size: clamp(2.4rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.5rem); }
h3 { font-size: 1.5rem; }
h4 { font-size: 1rem; font-weight: 500; margin: 8px 0; }
.narrow { max-width: 680px; }

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #2f5b52;
  margin-bottom: 16px;
}
.eyebrow.light { color: #9cc7bd; }
.lead { font-size: 1.1rem; color: #3c4345; max-width: 480px; }
.small { font-size: 0.875rem; }
.tiny { font-size: 0.75rem; }
.muted { color: var(--muted); }
.strong { font-weight: 600; }
.label { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; margin: 18px 0 8px; color: var(--muted); }
.caption { font-size: 0.75rem; color: var(--muted); margin-top: 12px; }
.link { color: var(--terracotta); font-weight: 500; display: inline-block; margin-top: 6px; }
.link:hover { text-decoration: underline; }

/* Buttons */
.btn {
  display: inline-block;
  border-radius: 999px;
  padding: 13px 26px;
  font: 500 0.95rem var(--sans);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.btn-sm { padding: 8px 18px; font-size: 0.875rem; }
.btn-primary { background: var(--terracotta); color: #fff; }
.btn-primary:hover { background: var(--terracotta-dark); }
.btn-outline { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: #fff; }
.btn-dark { background: var(--dark); color: #fff; }
.btn-dark:hover { background: #000; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.actions.tight { margin-top: 20px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: var(--cream); border-bottom: 1px solid transparent; }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { font-family: var(--serif); font-size: 1.35rem; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 0.9rem; }
.nav-links a:not(.btn):hover { color: var(--terracotta); }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.5rem; cursor: pointer; color: var(--ink); }

/* Sections */
section { padding: 96px 0; }
.hero { padding: 48px 0 96px; }
.band-beige { background: var(--beige); }
.band-dark { background: var(--dark); color: #fff; }
.band-dark h2 { color: #fff; margin-bottom: 40px; }

.two-col { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 64px; align-items: start; }
.two-col.even { gap: 24px; margin-top: 40px; }
.two-col.center { align-items: center; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* Cards */
.card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.card-head h3 { margin: 0; }
.profile-card { box-shadow: 0 1px 2px rgba(0,0,0,.03); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip, .pill { display: inline-block; border-radius: 999px; padding: 5px 12px; font-size: 0.8rem; white-space: nowrap; }
.tan { background: var(--tan); }
.sage { background: var(--sage); }
.rose { background: var(--rose); }

.quotes { display: grid; gap: 16px; }
.quote { margin: 0; font-family: var(--serif); font-size: 1.1rem; line-height: 1.5; padding: 22px 28px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 16px; }
.step-num { font-family: var(--serif); font-size: 2.2rem; color: var(--terracotta); }

.use-card { background: var(--cream); color: var(--ink); border: 0; display: flex; flex-direction: column; }
.use-card .eyebrow { margin-bottom: 10px; font-size: 0.68rem; }
.use-card h3 { margin-bottom: 12px; }
.use-card .inner { padding: 18px 20px; margin-top: auto; }
.use-card .inner p { margin-bottom: 6px; }

.partner-card { padding: 32px; }
.partner-card .eyebrow { font-size: 0.68rem; margin-bottom: 12px; }

.shares { padding: 24px 28px; }
.share-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 14px 0; border-top: 1px solid var(--border); font-size: 0.875rem; }
.share-row:first-of-type { border-top: 0; }

/* Form */
.join-form { display: flex; flex-direction: column; }
.join-form label { font-size: 0.85rem; font-weight: 500; margin: 14px 0 6px; }
.join-form label:first-child { margin-top: 0; }
.join-form input, .join-form select {
  font: inherit; font-size: 0.95rem;
  padding: 11px 14px;
  border: 1px solid #cfc8b8;
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}
.join-form input:focus, .join-form select:focus { outline: 2px solid var(--terracotta); outline-offset: 1px; border-color: transparent; }
.join-form .btn { margin-top: 24px; align-self: flex-start; }
.form-msg { margin: 14px 0 0; font-size: 0.9rem; min-height: 1.2em; }
.form-msg.error { color: #a12f1a; }
.form-msg.ok { color: #2f5b52; }

.site-footer { padding: 32px 0; border-top: 1px solid var(--border); }
.site-footer .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }

/* Responsive */
@media (max-width: 900px) {
  .two-col, .three-col, .steps { grid-template-columns: minmax(0,1fr); gap: 32px; }
  section { padding: 64px 0; }
}
@media (max-width: 760px) {
  .container { padding: 0 16px; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 16px;
    padding: 20px 16px 24px; background: var(--cream); border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .share-row { flex-direction: column; align-items: flex-start; gap: 6px; }
}

/* KIST brand additions */
.logo { display: inline-flex; align-items: center; gap: 8px; letter-spacing: 0.08em; font-weight: 500; }
.logo-mark { width: 22px; height: 22px; color: var(--dark); }
.actions.tight { align-items: center; }
.saved { color: #2f5b52; }
.band-dark h2.narrow { margin-bottom: 40px; }
.benefits { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 28px; margin-bottom: 40px; }
.benefits h4 { color: #fff; font-family: var(--serif); font-size: 1.15rem; font-weight: 400; }
.benefits p { color: #c9d1cf; }
#everywhere .three-col { margin-top: 40px; }
@media (max-width: 1000px) { .benefits { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); } }