:root {
  --ink: #18201a;
  --green: #344439;
  --green-deep: #26372d;
  --paper: #f7f4ef;
  --terracotta: #b9614d;
  --line: #ddd7cc;
  font-family: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); }

.kh-page { min-height: 100vh; display: flex; flex-direction: column; }
.kh-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px 7vw; background: #fff; border-bottom: 1px solid var(--line); }
.kh-header-nav { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.kh-header-nav a { color: var(--ink); font-size: 12px; text-decoration: none; }
.kh-header-nav a:hover, .kh-header-nav a:focus-visible, .kh-header-nav a.is-active { color: var(--terracotta); }
.kh-logo { width: 190px; height: 43px; display: block; background: url('../assets/logo/kkv-logo.svg') left center / contain no-repeat; }
.kh-header-note { margin: 0; color: #6c716c; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }

.kh-hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr); min-height: 420px; background: var(--green); color: #fff; }
.kh-hero-copy { display: flex; flex-direction: column; justify-content: center; padding: 54px 7vw; }
.kh-eyebrow { margin: 0 0 18px; color: #e0ad9f; font-size: 11px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.kh-hero h1 { max-width: 640px; margin: 0; font-size: clamp(42px, 4.6vw, 68px); line-height: .98; letter-spacing: -.055em; }
.kh-hero-lead { max-width: 540px; margin: 22px 0 0; color: rgba(255,255,255,.84); font-size: 17px; line-height: 1.5; }
.kh-hero-art { min-height: 320px; background: linear-gradient(90deg, rgba(22,34,27,.08), rgba(22,34,27,.32)), url('../assets/images/hero-video-clean.png') center / cover; }
.kh-hero--image-hidden { grid-template-columns: 1fr; }
.kh-hero--image-hidden .kh-hero-art { display: none; }

.kh-main { width: min(1120px, 86vw); margin: 0 auto; padding: 68px 0 82px; }
.kh-intro { display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; align-items: start; }
.kh-intro h2, .kh-membership h2 { margin: 0; font-size: clamp(31px, 4vw, 48px); line-height: 1.05; letter-spacing: -.04em; }
.kh-intro-copy p, .kh-membership p { margin: 0 0 18px; color: #596059; font-size: 17px; line-height: 1.65; }
.kh-values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 58px; }
.kh-value { min-height: 145px; padding: 24px; background: #fff; border-top: 4px solid var(--terracotta); box-shadow: 0 8px 22px rgba(35,43,36,.06); }
.kh-value h3 { margin: 0 0 10px; font-size: 20px; }
.kh-value p { margin: 0; color: #697069; line-height: 1.5; }
.kh-membership { display: grid; grid-template-columns: 1.1fr .9fr; gap: 52px; align-items: center; margin-top: 70px; padding: 48px 52px; background: var(--green-deep); color: #fff; }
.kh-membership h2 { margin-bottom: 18px; }
.kh-membership p { color: rgba(255,255,255,.8); }
.kh-membership-card { padding: 28px; background: #fff; color: var(--ink); }
.kh-membership-card h3 { margin: 0 0 10px; font-size: 23px; }
.kh-membership-card p { margin-bottom: 22px; color: #626a62; font-size: 15px; line-height: 1.5; }
.kh-button { display: inline-flex; align-items: center; gap: 10px; padding: 14px 21px; border: 1px solid var(--terracotta); border-radius: 28px; background: var(--terracotta); color: #fff; font: inherit; font-size: 14px; font-weight: 700; text-decoration: none; cursor: pointer; transition: transform .18s ease, background-color .18s ease, box-shadow .18s ease; }
.kh-button:hover, .kh-button:focus-visible { background: #9f4e3d; box-shadow: 0 7px 16px rgba(70,34,25,.22); transform: translateY(-2px); outline: none; }
.kh-organization { display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; align-items: start; margin-top: 70px; padding-top: 44px; border-top: 1px solid var(--line); }
.kh-organization h2 { max-width: 420px; margin: 0; font-size: clamp(28px, 3.5vw, 42px); line-height: 1.05; letter-spacing: -.04em; }
.kh-organization > p { max-width: 650px; margin: 4px 0 0; color: #596059; font-size: 17px; line-height: 1.65; }
.kh-footer { display: grid; grid-template-columns: 1.1fr .9fr 1.2fr .9fr; gap: 34px; margin-top: auto; padding: 30px 7vw; background: #fff; color: #747a73; font-size: 12px; line-height: 1.55; }
.kh-footer-brand, .kh-footer-block { display: flex; flex-direction: column; gap: 5px; }
.kh-footer strong { color: var(--ink); font-size: 12px; }
.kh-footer-brand strong { font-size: 15px; }
.kh-footer address, .kh-footer p { margin: 0; font-style: normal; }
.kh-footer a { color: inherit; text-decoration: none; }
.kh-footer a:hover, .kh-footer a:focus-visible { color: var(--terracotta); text-decoration: underline; }
.kh-social-links { display: flex; flex-direction: column; gap: 7px; }
.kh-social-links a, .kh-social-link { display: inline-flex; align-items: center; gap: 8px; color: inherit; text-decoration: none; }
.kh-social-links a:hover, .kh-social-links a:focus-visible { text-decoration: underline; }
.kh-social-links svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 17px; }
.kh-page .kh-footer::before, .kh-page .kh-footer::after { display: none; }

.membership-dialog .membership-permissions > label:not(.membership-other-field) { display: flex; align-items: flex-start; gap: 8px; color: #555; font-size: 13px; font-weight: 400; line-height: 1.45; }
.membership-dialog .membership-permissions > label:not(.membership-other-field) input { flex: 0 0 auto; width: auto; margin: 3px 0 0; accent-color: var(--terracotta); }
.membership-dialog .membership-permissions > .membership-form-note { display: block; margin-top: 10px; }
.membership-dialog .membership-other-option { display: inline-flex; align-items: center; gap: 9px; }
.membership-dialog .membership-other-option > label { display: inline-flex; align-items: center; gap: 7px; color: #555; font-size: 13px; font-weight: 400; }
.membership-dialog .membership-other-option > label input { width: auto; accent-color: var(--terracotta); }
.membership-dialog .membership-other-input { width: 210px; border: 1px solid #d8d3ca; border-radius: 7px; padding: 7px 9px; color: var(--ink); background: #fbfaf8; font: inherit; font-size: 12px; }
.membership-dialog .membership-other-input:focus { outline: 2px solid rgba(185,97,77,.35); outline-offset: 1px; border-color: var(--terracotta); }
.membership-dialog .membership-other-input[hidden] { display: none; }
.kh-page .membership-form-footer { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 12px; }
.kh-page .membership-form-footer .membership-form-note { flex: 1 1 auto; margin: 0; }
.kh-page .membership-form-footer .membership-form-actions { flex: 0 0 auto; margin-top: 0; }
.kh-page .membership-form-status:empty { display: none; }
.kh-page .membership-form-footer { margin-top: 8px; }

.kh-social-hero { padding: 76px 7vw 68px; background: var(--green); color: #fff; }
.kh-social-hero h1 { max-width: 760px; margin: 16px 0; font-size: clamp(44px, 7vw, 78px); line-height: .98; letter-spacing: -2px; }
.kh-social-hero p:not(.kh-eyebrow) { max-width: 540px; color: rgba(255,255,255,.84); font-size: 18px; line-height: 1.5; }
.kh-social-content { display: grid; grid-template-columns: .8fr 1.2fr; gap: 44px; align-items: start; padding: 68px 7vw; background: var(--paper); }
.kh-social-intro h2 { margin: 12px 0 14px; font-size: 40px; letter-spacing: -1px; }
.kh-social-intro p:not(.kh-eyebrow) { max-width: 410px; color: #666; line-height: 1.6; }
.kh-instagram-card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 8px 22px rgba(38,40,33,.07); }
.kh-instagram-head { display: flex; justify-content: space-between; gap: 16px; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.kh-instagram-head span { color: #777; font-size: 13px; }
.kh-instagram-card iframe { display: block; width: 100%; min-height: 600px; border: 0; }
.kh-social-note { display: grid; grid-template-columns: 1fr 1fr auto; gap: 24px; align-items: end; padding: 48px 7vw 64px; background: var(--paper); border-top: 1px solid var(--line); }
.kh-social-note h2, .kh-social-note p { margin: 0; }
.kh-social-note h2 { font-size: 26px; }
.kh-social-note p { color: #666; line-height: 1.5; }
.kh-text-link { color: var(--ink); font-size: 13px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.kh-text-link span { color: var(--terracotta); margin-left: 6px; }
.kh-page .membership-success-panel { padding: 34px 26px 30px; border: 1px solid rgba(185,97,77,.28); border-radius: 14px; background: #f6f0e8; text-align: center; }
.kh-page .membership-success-panel .eyebrow { margin-bottom: 8px; color: var(--terracotta); }
.kh-page .membership-success-panel h3 { margin: 0 0 12px; color: var(--green-deep); font-size: clamp(28px, 4vw, 40px); line-height: 1.05; letter-spacing: -.035em; }
.kh-page .membership-success-panel p:not(.eyebrow) { margin: 0; color: #4f594f; font-size: 18px; line-height: 1.5; }
.kh-page .membership-success-panel .membership-success-note { margin-top: 12px; color: #73796f; font-size: 14px; }

@media (max-width: 760px) {
  .membership-dialog .membership-other-option { flex-basis: 100%; }
  .membership-dialog .membership-other-input { flex: 1 1 auto; min-width: 0; }
  .kh-page .membership-form-footer { align-items: stretch; flex-direction: column; gap: 10px; }
  .kh-page .membership-form-footer .membership-form-actions { justify-content: flex-start; }
  .kh-page .membership-dialog input[type="checkbox"] { width: 18px; height: 18px; }
  .kh-page .membership-dialog .membership-checkboxes label,
  .kh-page .membership-dialog .membership-permissions > label,
  .kh-page .membership-dialog .membership-confirmations label { min-height: 28px; }
}

@media (max-width: 760px) {
  .kh-header { padding: 18px 6vw; }
  .kh-header-nav { gap: 14px; }
  .kh-header-nav a { font-size: 11px; }
  .kh-hero { min-height: 0; grid-template-columns: 1fr; }
  .kh-intro, .kh-membership { grid-template-columns: 1fr; }
  .kh-values { display: none; }
  .kh-hero-copy { padding: 44px 8vw; }
  .kh-hero h1 { font-size: clamp(40px, 11vw, 54px); }
  .kh-hero-lead { margin-top: 20px; font-size: 17px; }
  .kh-hero-art { min-height: 0; height: clamp(170px, 43vw, 230px); aspect-ratio: 16 / 9; }
  .kh-main { width: min(88vw, 560px); padding-top: 52px; }
  .kh-intro { gap: 28px; }
  .kh-values { grid-template-columns: 1fr; margin-top: 40px; }
  .kh-membership { gap: 24px; margin-top: 46px; padding: 30px 24px; }
  .kh-organization { grid-template-columns: 1fr; gap: 22px; margin-top: 48px; padding-top: 32px; }
  .kh-organization > p { margin-top: 0; font-size: 16px; }
  .kh-footer { grid-template-columns: 1fr; gap: 22px; padding: 28px 8vw; }
  .kh-social-content { grid-template-columns: 1fr; padding: 55px 8%; }
  .kh-social-note { grid-template-columns: 1fr; gap: 14px; padding: 42px 8% 52px; }
  .kh-social-hero { padding: 58px 8% 52px; }
  .kh-instagram-card iframe { min-height: 520px; }
}

@media (prefers-reduced-motion: reduce) {
  .kh-button { transition: none; }
}