/* ============================================================
   GANGULY.ORG — Shared Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=DM+Sans:wght@300;400;500&display=swap');

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

:root {
  --cream:        #f5f0e8;
  --parchment:    #ede5d4;
  --parchment-dk: #e0d5c0;
  --ink:          #1c1712;
  --ink-soft:     #2c251d;
  --sienna:       #8b4a2b;
  --sienna-dk:    #6e3820;
  --gold:         #c8973a;
  --gold-pale:    rgba(200,151,58,.15);
  --muted:        #6b5d4f;
  --light-muted:  #a89880;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans:  'DM Sans', sans-serif;
  --nav-h: 72px;
  --max-w: 1200px;
  --transition: .28s cubic-bezier(.4,0,.2,1);
}

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Subtle paper grain overlay on every page */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

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

/* ── NAVIGATION ── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 500;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 4rem;
  background: rgba(245,240,232,.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(200,151,58,.18);
  transition: box-shadow var(--transition);
}
.site-nav.scrolled {
  box-shadow: 0 4px 32px rgba(28,23,18,.1);
}
.nav-logo {
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--ink);
  text-decoration: none;
  display: flex; align-items: center; gap: .1em;
}
.nav-logo .accent { color: var(--gold); }

.nav-links {
  display: flex; align-items: center;
  gap: 2.4rem;
  list-style: none;
}
.nav-links a {
  font-size: .75rem;
  font-weight: 400;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -2px; left: 0; right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--sienna); }
.nav-links a[aria-current="page"]::after,
.nav-links a:hover::after { transform: scaleX(1); }

/* Hamburger (mobile) */
.nav-burger {
  display: none;
  flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px;
  background: none; border: none;
}
.nav-burger span {
  display: block; width: 24px; height: 1.5px;
  background: var(--ink);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── PAGE OFFSET ── */
.page-body { padding-top: var(--nav-h); }

/* ── PAGE HEADER ── */
.page-header {
  min-height: 0;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 2.4rem 6rem 2.2rem;
  position: relative; overflow: hidden;
}
.page-header-label {
  font-size: .7rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 1rem;
  opacity: 0; animation: fadeUp .8s .1s forwards;
}
.page-header-title {
  font-family: var(--serif);
  font-size: clamp(3.2rem,5.5vw,5.5rem);
  font-weight: 300; line-height: 1.05;
  opacity: 0; animation: fadeUp .9s .25s forwards;
}
.page-header-title em { font-style: italic; }
.page-header-sub {
  margin-top: 1rem; font-size: 1rem; line-height: 1.85;
  max-width: 55ch;
  opacity: 0; animation: fadeUp .9s .4s forwards;
}

/* dark variant */
.page-header--dark { background: var(--ink); }
.page-header--dark .page-header-title { color: var(--cream); }
.page-header--dark .page-header-sub   { color: rgba(245,240,232,.45); }

/* parchment variant */
.page-header--parchment { background: var(--parchment); }
.page-header--parchment .page-header-title { color: var(--ink); }
.page-header--parchment .page-header-sub   { color: var(--muted); }

/* sienna variant */
.page-header--sienna { background: var(--sienna); }
.page-header--sienna .page-header-label { color: rgba(245,240,232,.6); }
.page-header--sienna .page-header-title { color: var(--cream); }
.page-header--sienna .page-header-sub   { color: rgba(245,240,232,.6); }

/* ── BREADCRUMB ── */
.breadcrumb {
  padding: 1.3rem 6rem;
  border-bottom: 1px solid var(--gold-pale);
  display: flex; align-items: center; gap: .6rem;
}
.breadcrumb a {
  font-size: .72rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--light-muted); text-decoration: none;
  transition: color var(--transition);
}
.breadcrumb a:hover { color: var(--sienna); }
.breadcrumb .sep { color: rgba(200,151,58,.35); font-size: .7rem; }

/* ── SECTIONS ── */
.section { padding: 5.5rem 0; }
.section--parchment { background: var(--parchment); }
.section--ink       { background: var(--ink); }
.section--dark      { background: var(--ink-soft); }

.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 6rem;
}

.section-label {
  font-size: .7rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold); margin-bottom: .9rem;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem,3.5vw,3.4rem);
  font-weight: 300; line-height: 1.15;
  margin-bottom: 1.5rem;
}
.section-title--light { color: var(--cream); }
.section-title--dark  { color: var(--ink); }

/* ── DIVIDER ── */
.ornament-divider {
  display: flex; align-items: center; gap: 1.4rem;
  max-width: var(--max-w); margin: 0 auto; padding: 0 6rem;
}
.ornament-divider::before,
.ornament-divider::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(to right, transparent, rgba(200,151,58,.25), transparent);
}
.ornament-divider span { color: var(--gold); font-size: .9rem; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--sans); font-size: .74rem;
  font-weight: 500; letter-spacing: .16em; text-transform: uppercase;
  text-decoration: none; cursor: pointer; border: none;
  padding: .9rem 2.2rem;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.btn:hover { transform: translateY(-1px); }
.btn--dark  { background: var(--ink);    color: var(--cream); }
.btn--dark:hover  { background: var(--sienna); }
.btn--light { background: var(--cream);  color: var(--sienna); }
.btn--light:hover { background: var(--ink); color: var(--cream); }
.btn--ghost {
  background: transparent;
  color: var(--cream);
  border: 1px solid rgba(245,240,232,.3);
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn .arrow { transition: transform var(--transition); }
.btn:hover .arrow { transform: translateX(4px); }

/* ── CARDS ── */
.card {
  background: var(--parchment);
  border: 1px solid rgba(200,151,58,.14);
  padding: 2.5rem 2.2rem;
  position: relative; overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}
.card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: var(--gold);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.card:hover { border-color: rgba(200,151,58,.4); transform: translateY(-3px); }
.card:hover::after { transform: scaleX(1); }

.card--dark {
  background: var(--ink-soft);
  border-color: rgba(200,151,58,.1);
}
.card--dark:hover { border-color: rgba(200,151,58,.3); }

/* ── FOOTER ── */
.site-footer {
  background: var(--ink);
  padding: 3.5rem 6rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  border-top: 1px solid rgba(200,151,58,.08);
}
.footer-logo {
  font-family: var(--serif);
  font-size: 1.4rem; font-weight: 400;
  color: var(--cream); text-decoration: none;
}
.footer-logo .accent { color: var(--gold); }
.footer-links {
  display: flex; gap: 2rem; list-style: none;
}
.footer-links a {
  font-size: .7rem; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(245,240,232,.3); text-decoration: none;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--gold); }
.footer-copy {
  font-size: .72rem; letter-spacing: .06em;
  color: rgba(245,240,232,.22);
  text-align: right;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; } to { opacity: 1; }
}
@keyframes spin {
  from { transform: rotate(0deg); } to { transform: rotate(360deg); }
}

.reveal {
  opacity: 0; transform: translateY(18px);
  transition: opacity .6s var(--transition), transform .6s var(--transition);
}
.reveal.visible { opacity: 1; transform: none; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .section-inner, .breadcrumb, .page-header, .site-footer { padding-left: 3rem; padding-right: 3rem; }
  .ornament-divider { padding: 0 3rem; }
}

@media (max-width: 768px) {
  :root { --nav-h: 60px; }
  .site-nav { padding: 0 1.5rem; }
  .nav-links { display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0; background: var(--cream); flex-direction: column; align-items: center; justify-content: center; gap: 2.5rem; z-index: 499; }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1rem; }
  .nav-burger { display: flex; }

  .page-header, .section-inner, .breadcrumb, .site-footer, .ornament-divider { padding-left: 1.5rem; padding-right: 1.5rem; }

  .site-footer { grid-template-columns: 1fr; text-align: center; }
  .footer-links { justify-content: center; }
  .footer-copy { text-align: center; }
}