/* ============================================
   RHEA KEWALRAMANI — Global Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

:root {
  --cream:        #F8F5F0;
  --white:        #FFFFFF;
  --ink:          #1C1C1C;
  --ink-mid:      #555350;
  --ink-light:    #8A8784;
  --ink-lighter:  #B8B5B2;
  --accent:       #3D4F5C;
  --accent-warm:  #C4783A;
  --accent-light: #EDE8E2;
  --border:       rgba(28,28,28,0.10);
  --border-light: rgba(28,28,28,0.06);
  --serif:        'Cormorant Garamond', Georgia, serif;
  --sans:         'DM Sans', system-ui, sans-serif;
  --nav-h:        72px;
  --max-w:        1140px;
  --radius:       4px;
  --transition:   0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3rem;
  background: rgba(248,245,240,0.94);
  backdrop-filter: blur(14px);
  border-bottom: 0.5px solid var(--border);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.06); }
.nav-logo img { height: 36px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}
.nav-links a {
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-mid);
  letter-spacing: 0.03em;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1px;
  background: var(--accent-warm);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--ink); }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: all var(--transition);
}

/* ---- MOBILE NAV ---- */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--cream);
  border-bottom: 0.5px solid var(--border);
  padding: 1.5rem 2rem;
  z-index: 199;
  flex-direction: column;
  gap: 1.25rem;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 15px;
  color: var(--ink-mid);
  padding: 0.25rem 0;
  border-bottom: 0.5px solid var(--border-light);
}

/* ---- PAGE WRAPPER ---- */
.page-wrap {
  padding-top: var(--nav-h);
  min-height: 100vh;
}

/* ---- LAYOUT ---- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 3rem;
}
.section { padding: 6rem 0; }
.section-sm { padding: 4rem 0; }
.divider {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 0.5px;
  background: var(--border);
}

/* ---- TYPOGRAPHY ---- */
.eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-warm);
  margin-bottom: 1rem;
}
.display {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--ink);
}
.display em { font-style: italic; }
.display-lg {
  font-family: var(--serif);
  font-size: clamp(3.2rem, 7vw, 6rem);
  font-weight: 300;
  line-height: 1.05;
  color: var(--ink);
}
.display-lg em { font-style: italic; }
.lead {
  font-size: 17px;
  font-weight: 300;
  color: var(--ink-mid);
  line-height: 1.8;
  max-width: 600px;
}
.body-text {
  font-size: 15px;
  font-weight: 300;
  color: var(--ink-mid);
  line-height: 1.8;
}
.label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink-lighter);
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.7rem 1.5rem;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  transition: all var(--transition);
}
.btn-dark {
  background: var(--ink);
  color: var(--cream);
}
.btn-dark:hover { background: var(--accent); }
.btn-outline {
  border: 0.5px solid var(--border);
  color: var(--ink-mid);
  background: transparent;
}
.btn-outline:hover { border-color: var(--ink); color: var(--ink); }
.btn svg { width: 13px; height: 13px; }

/* ---- CARDS ---- */
.card {
  background: var(--white);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.card:hover {
  border-color: rgba(28,28,28,0.2);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

/* ---- STAT CARDS ---- */
.stat-card {
  padding: 1.25rem 1.5rem;
  background: var(--white);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
}
.stat-label { font-size: 11px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-lighter); margin-bottom: 6px; }
.stat-value { font-size: 16px; font-weight: 500; color: var(--ink); line-height: 1.3; }

/* ---- PAGE HERO ---- */
.page-hero {
  padding: 5rem 0 4rem;
  border-bottom: 0.5px solid var(--border);
}

/* ---- REVEAL ANIMATIONS ---- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ---- FOOTER ---- */
.footer {
  border-top: 0.5px solid var(--border);
  padding: 2rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
}
.footer-copy { font-size: 13px; color: var(--ink-lighter); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 13px; color: var(--ink-lighter); transition: color var(--transition); }
.footer-links a:hover { color: var(--ink); }
.footer-cert { font-size: 13px; color: var(--ink-lighter); }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .nav { padding: 0 1.5rem; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .container { padding: 0 1.5rem; }
  .section { padding: 4rem 0; }
  .footer { flex-direction: column; gap: 0.75rem; text-align: center; padding: 1.5rem; }
}