/* ============================================================
   NANMA CHARITABLE TRUST — design tokens
   Palette rooted in Kerala's material world: banana-leaf green,
   laterite earth, temple-brass gold, ledger-paper ivory.
   ============================================================ */
:root{
  --ivory: #FBF6EA;
  --ivory-deep: #F1E9D6;
  --ink: #1C2B1E;
  --ink-soft: #48584A;
  --green: #2F5233;
  --green-deep: #1E3722;
  --green-pale: #E4EBDD;
  --gold: #B98A1F;
  --gold-soft: #E3C67C;
  --terracotta: #A6512E;
  --line: rgba(28,43,30,0.14);
  --shadow: 0 20px 50px -25px rgba(28,43,30,0.35);

  --serif: "Fraunces", Georgia, serif;
  --sans: "Work Sans", -apple-system, BlinkMacSystemFont, sans-serif;

  --wrap: 1160px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin: 0; padding: 0; }
.wrap{ max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }
.ml{ font-family: var(--serif); font-style: italic; }

/* subtle paper grain so ivory doesn't feel flat/AI-default */
.grain{
  position: fixed; inset: 0; pointer-events: none; z-index: 999;
  opacity: .045; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* -------------------- headings -------------------- */
h1,h2,h3{ font-family: var(--serif); font-weight: 500; color: var(--green-deep); margin: 0; }
h1{ font-size: clamp(2.6rem, 5.4vw, 4.4rem); line-height: 1.04; letter-spacing: -0.01em; }
h1 em{ font-style: italic; font-weight: 400; color: var(--green); }
h2{ font-size: clamp(1.9rem, 3.4vw, 2.7rem); line-height: 1.14; }
h3{ font-size: 1.4rem; }

.section-eyebrow{
  font-family: var(--sans); font-size: .78rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; color: var(--gold);
  margin: 0 0 14px;
}
.section-eyebrow--light{ color: var(--gold-soft); }
.section-title{ margin-bottom: 44px; max-width: 20ch; }

/* -------------------- buttons -------------------- */
.btn{
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 26px; border-radius: 3px; font-weight: 600; font-size: .95rem;
  border: 1.5px solid transparent; transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary{ background: var(--green); color: var(--ivory); }
.btn-primary:hover{ background: var(--green-deep); transform: translateY(-2px); }
.btn-ghost{ border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover{ background: var(--ink); color: var(--ivory); transform: translateY(-2px); }
.btn-block{ width: 100%; }

/* ==================== HEADER ==================== */
.site-header{
  position: sticky; top: 0; z-index: 100;
  background: rgba(251,246,234,.88); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{ display: flex; align-items: center; gap: 28px; padding-top: 16px; padding-bottom: 16px; }
.brand{ display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand-mark{ width: 34px; height: 34px; color: var(--green); flex: none; }
.brand-mark svg{ width: 100%; height: 100%; }
.brand-word{ display: flex; flex-direction: column; line-height: 1.05; }
.brand-en{ font-family: var(--serif); font-size: 1.2rem; font-weight: 600; color: var(--green-deep); }
.brand-ml{ font-size: .68rem; letter-spacing: .05em; color: var(--ink-soft); }

.main-nav{ display: flex; gap: 30px; }
.main-nav a{ font-size: .92rem; font-weight: 500; color: var(--ink-soft); position: relative; }
.main-nav a:hover{ color: var(--green-deep); }

.header-call{
  display: flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: .92rem; color: var(--green-deep);
  border-left: 1px solid var(--line); padding-left: 24px;
}
.header-call .dot{ width: 7px; height: 7px; border-radius: 50%; background: var(--terracotta); animation: pulse 2.2s infinite; }
@keyframes pulse{ 0%,100%{ opacity: 1;} 50%{ opacity: .35;} }

.nav-toggle{ display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span{ width: 22px; height: 2px; background: var(--ink); display: block; }

/* ==================== HERO ==================== */
.hero{ padding: 76px 0 90px; overflow: hidden; }
.hero-inner{ display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.eyebrow{
  font-size: .78rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--terracotta); margin: 0 0 20px;
}
.hero-lede{ max-width: 46ch; color: var(--ink-soft); font-size: 1.06rem; margin: 22px 0 32px; }
.hero-lede em{ font-style: italic; color: var(--ink); }
.hero-cta{ display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 46px; }

.hero-facts{ display: flex; gap: 40px; border-top: 1px solid var(--line); padding-top: 22px; }
.hero-facts div{ display: flex; flex-direction: column; font-size: .82rem; color: var(--ink-soft); }
.hero-facts span{ font-family: var(--serif); font-size: 1.5rem; color: var(--green-deep); font-weight: 500; }

/* rotating trust seal — signature element */
.hero-seal-wrap{ display: flex; justify-content: center; }
.seal{ position: relative; width: min(300px, 60vw); aspect-ratio: 1; color: var(--green-deep); }
.seal-ring{ width: 100%; height: 100%; animation: spin 34s linear infinite; text-transform: uppercase; }
.seal-core{
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  background: var(--ivory-deep); border-radius: 50%; width: 60%; height: 60%; margin: auto;
  border: 1px solid var(--line); box-shadow: var(--shadow);
}
.seal-core svg{ width: 34px; height: 34px; color: var(--green); }
.seal-core span{ font-size: .62rem; letter-spacing: .16em; font-weight: 600; color: var(--gold); }
@keyframes spin{ to{ transform: rotate(360deg); } }

/* ==================== ABOUT ==================== */
.about{ padding: 30px 0 110px; }
.about-grid{ display: grid; grid-template-columns: .9fr 1.1fr; gap: 68px; align-items: center; }
.about-photo{ margin: 0; border-radius: 4px; overflow: hidden; box-shadow: var(--shadow); position: relative; }
.about-photo img{ height: 460px; object-fit: cover; }
.about-photo figcaption{
  position: absolute; left: 0; right: 0; bottom: 0; padding: 14px 18px;
  background: linear-gradient(0deg, rgba(28,43,30,.78), transparent);
  color: var(--ivory); font-size: .78rem; letter-spacing: .03em;
}
.about-copy p{ color: var(--ink-soft); max-width: 54ch; margin: 0 0 18px; }
.about-copy h2{ margin-bottom: 20px; }

.fact-list{ margin-top: 30px; border-top: 1px solid var(--line); }
.fact-list li{
  display: flex; justify-content: space-between; gap: 20px;
  padding: 14px 0; border-bottom: 1px solid var(--line); font-size: .92rem;
}
.fact-list li span{ color: var(--ink-soft); font-weight: 500; }

/* ==================== WHAT WE DO ==================== */
.what-we-do{ background: var(--green-deep); color: var(--ivory-deep); padding: 100px 0; }
.what-we-do .section-title{ color: var(--ivory); }
.pillars{ display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: rgba(251,246,234,.14); }
.pillar{ background: var(--green-deep); padding: 44px 40px; }
.pillar-num{
  font-family: var(--serif); font-style: italic; font-size: 1rem; color: var(--gold-soft);
  display: block; margin-bottom: 18px;
}
.pillar h3{ color: var(--ivory); margin-bottom: 14px; }
.pillar p{ color: rgba(241,233,214,.78); max-width: 42ch; margin: 0 0 22px; }
.pillar-link{ font-weight: 600; font-size: .88rem; color: var(--gold-soft); border-bottom: 1px solid transparent; }
.pillar-link:hover{ border-color: var(--gold-soft); }

/* ==================== VISIT ==================== */
.visit{ padding: 110px 0; }
.visit-grid{ display: grid; grid-template-columns: 1fr .9fr; gap: 68px; align-items: center; }
.visit-copy p{ color: var(--ink-soft); max-width: 50ch; margin: 20px 0 30px; }
.visit-card{
  background: var(--ivory-deep); border: 1px solid var(--line); border-radius: 4px;
  padding: 26px 28px; margin-bottom: 30px;
}
.visit-row{ display: flex; gap: 20px; padding: 14px 0; }
.visit-row + .visit-row{ border-top: 1px solid var(--line); }
.visit-label{ flex: none; width: 90px; font-size: .78rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--gold); }
.visit-row em{ font-style: italic; color: var(--ink-soft); font-size: .88rem; }
.visit-map{ border-radius: 4px; overflow: hidden; box-shadow: var(--shadow); }
.visit-map img{ height: 420px; object-fit: cover; }

/* ==================== CONTACT ==================== */
.contact{ background: var(--ivory-deep); padding: 110px 0; }
.contact-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.contact-lede{ color: var(--ink-soft); max-width: 46ch; margin: 18px 0 36px; }
.contact-methods{ display: flex; flex-direction: column; gap: 2px; background: var(--line); border-radius: 4px; overflow: hidden; }
.contact-method{ background: var(--ivory-deep); display: flex; justify-content: space-between; align-items: center; padding: 20px 22px; transition: background .15s ease; }
a.contact-method:hover{ background: var(--green-pale); }
.cm-label{ font-size: .76rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }
.cm-value{ font-family: var(--serif); font-size: 1.05rem; color: var(--green-deep); text-align: right; }

.contact-form{
  background: var(--ivory); border: 1px solid var(--line); border-radius: 4px;
  padding: 34px; display: flex; flex-direction: column; gap: 18px; box-shadow: var(--shadow);
}
.contact-form label{ display: flex; flex-direction: column; gap: 8px; font-size: .84rem; font-weight: 600; color: var(--ink-soft); }
.contact-form input, .contact-form textarea{
  font-family: var(--sans); font-size: .96rem; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 3px; background: var(--ivory-deep); color: var(--ink);
  resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus{ outline: 2px solid var(--green); outline-offset: 1px; }
.form-note{ font-size: .76rem; color: var(--ink-soft); margin: 0; text-align: center; }

/* ==================== FOOTER ==================== */
.site-footer{ background: var(--ink); color: var(--ivory-deep); padding: 40px 0; }
.footer-inner{ display: flex; justify-content: space-between; align-items: center; gap: 30px; flex-wrap: wrap; }
.footer-brand{ display: flex; align-items: center; gap: 14px; }
.footer-brand .brand-mark{ color: var(--gold-soft); width: 30px; height: 30px; }
.footer-brand div{ display: flex; flex-direction: column; font-size: .82rem; }
.footer-brand strong{ font-family: var(--serif); font-size: 1.02rem; font-weight: 500; }
.footer-brand span{ color: rgba(241,233,214,.6); }
.footer-meta{ display: flex; flex-direction: column; align-items: flex-end; gap: 6px; font-size: .76rem; color: rgba(241,233,214,.6); text-align: right; }

/* ==================== reveal-on-scroll ==================== */
.reveal{ opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible{ opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity: 1; transform: none; transition: none; }
  .seal-ring{ animation: none; }
  html{ scroll-behavior: auto; }
}

/* ==================== responsive ==================== */
@media (max-width: 900px){
  .main-nav, .header-call{ display: none; }
  .nav-toggle{ display: flex; }
  .hero-inner, .about-grid, .visit-grid, .contact-grid{ grid-template-columns: 1fr; }
  .hero-seal-wrap{ order: -1; }
  .pillars{ grid-template-columns: 1fr; }
  .about-photo img, .visit-map img{ height: 320px; }
  .footer-inner{ flex-direction: column; align-items: flex-start; }
  .footer-meta{ align-items: flex-start; text-align: left; }
}

@media (max-width: 900px){
  .main-nav.open{
    display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--ivory); border-bottom: 1px solid var(--line); padding: 20px 28px; gap: 18px;
  }
}

@media (max-width: 560px){
  .hero-facts{ gap: 24px; flex-wrap: wrap; }
  .visit-row{ flex-direction: column; gap: 6px; }
  .visit-label{ width: auto; }
  .cm-value{ text-align: left; }
  .contact-method{ flex-direction: column; align-items: flex-start; gap: 6px; }
}