/* ── NITI INSTITUTE · BRAND SYSTEM ── */
:root {
  --navy:       #1A3266;
  --deep:       #0F1E40;
  --gold:       #F5B800;
  --tint:       #EEF0F8;
  --cloud:      #F5F6FA;
  --ink:        #1A1A1A;
  --muted:      #4A5568;
  --border:     #D0D8EC;
  --white:      #FFFFFF;
  --r:          8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4 { font-family: Georgia, 'Times New Roman', serif; color: var(--navy); line-height: 1.2; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); }
h3 { font-size: 1.3rem; }
p  { color: var(--muted); line-height: 1.8; }

.label {
  font-family: Arial, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--deep);
  border-bottom: 3px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5vw;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.nav-brand img { height: 36px; width: auto; }
.nav-brand-name {
  font-family: Georgia, serif;
  font-size: 1rem;
  font-weight: bold;
  color: var(--white);
  letter-spacing: 0.12em;
}

.nav-links { display: flex; gap: 0; }
.nav-links a {
  display: block;
  padding: 0 18px;
  height: 64px;
  line-height: 64px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -3px;
  transition: color 0.2s, border-color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--gold); border-bottom-color: var(--gold); }

/* ── HERO ── */
.hero {
  position: relative;
  background: linear-gradient(120deg, var(--deep) 0%, var(--navy) 100%);
  padding: 100px 5vw 80px;
  overflow: hidden;
  min-height: 480px;
  display: flex;
  align-items: center;
}

.hero-watermark {
  position: absolute;
  right: 4vw;
  top: 50%;
  transform: translateY(-50%);
  font-family: Georgia, serif;
  font-size: clamp(12rem, 22vw, 22rem);
  font-weight: bold;
  color: rgba(255,255,255,0.04);
  user-select: none;
  pointer-events: none;
  line-height: 1;
}

.hero-inner { position: relative; z-index: 1; max-width: 760px; }
.hero .label { color: var(--gold); margin-bottom: 18px; display: block; }
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--gold); }
.hero p { color: rgba(255,255,255,0.82); font-size: 1.1rem; max-width: 600px; margin-bottom: 36px; }

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: var(--r);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.2s;
}
.btn-gold { background: var(--gold); color: var(--deep); }
.btn-gold:hover { background: #e0a800; }
.btn-outline { border: 2px solid rgba(255,255,255,0.5); color: var(--white); margin-left: 12px; }
.btn-outline:hover { border-color: var(--white); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--deep); }

/* ── GOLD BAR ── */
.gold-bar { height: 4px; background: var(--gold); }

/* ── SECTIONS ── */
.section { padding: 72px 5vw; }
.section-alt { background: var(--cloud); }
.section-dark { background: var(--navy); }
.section-deep { background: var(--deep); }

.section-header { margin-bottom: 48px; }
.section-header .label { display: block; margin-bottom: 10px; }
.section-header h2 { margin-bottom: 14px; }
.section-header p { max-width: 640px; font-size: 1.05rem; }
.section-dark .section-header h2,
.section-deep .section-header h2 { color: var(--white); }
.section-dark .section-header p,
.section-deep .section-header p { color: rgba(255,255,255,0.75); }
.section-dark .label { color: var(--gold); }

/* ── GRID ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ── CARDS ── */
.card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  padding: 28px 24px;
  border-top: 4px solid var(--gold);
}
.card h3 { margin-bottom: 10px; }
.card .card-icon { font-size: 2rem; margin-bottom: 14px; display: block; }

.card-dark {
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: var(--r);
  padding: 28px 24px;
  border-top: 4px solid var(--gold);
}
.card-dark h3 { color: var(--gold); margin-bottom: 10px; }
.card-dark p { color: rgba(255,255,255,0.78); }
.card-dark .card-icon { font-size: 2rem; margin-bottom: 14px; display: block; }

/* ── MISSION STRIP ── */
.mission-strip {
  background: var(--gold);
  padding: 48px 5vw;
  text-align: center;
}
.mission-strip blockquote {
  font-family: Georgia, serif;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-style: italic;
  color: var(--deep);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ── ACTIVITY ITEMS ── */
.activity {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1.5px solid var(--border);
}
.activity:last-child { border-bottom: none; }
.act-num {
  font-family: Georgia, serif;
  font-size: 2rem;
  font-weight: bold;
  color: var(--gold);
  min-width: 48px;
  line-height: 1;
  padding-top: 4px;
}
.act-content h3 { margin-bottom: 6px; }
.act-content p  { margin-bottom: 8px; }
.targets { display: flex; flex-wrap: wrap; gap: 8px; }
.target-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--navy);
  background: var(--tint);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  padding: 3px 12px;
}

/* ── VALUES GRID ── */
.value-row {
  display: flex;
  gap: 0;
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  margin-bottom: 12px;
}
.value-key {
  background: var(--navy);
  color: var(--white);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 20px;
  min-width: 180px;
  display: flex;
  align-items: center;
}
.value-val {
  padding: 14px 20px;
  font-size: 0.95rem;
  color: var(--ink);
  flex: 1;
}

/* ── CONTACT ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
}
.contact-item-icon {
  font-size: 1.3rem;
  padding-top: 2px;
  flex-shrink: 0;
}
.contact-item h4 {
  font-family: Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 3px;
}
.contact-item p { color: var(--white); margin: 0; font-size: 0.95rem; }

/* ── FOOTER ── */
footer {
  background: var(--deep);
  border-top: 4px solid var(--gold);
  padding: 40px 5vw 28px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { height: 40px; width: auto; }
.footer-brand-text { }
.footer-brand-name {
  font-family: Georgia, serif;
  font-size: 0.95rem;
  font-weight: bold;
  color: var(--white);
  letter-spacing: 0.1em;
}
.footer-tagline {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 3px;
}
.footer-links { display: flex; flex-direction: column; gap: 6px; }
.footer-links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
}
.footer-links a:hover { color: var(--gold); }
.footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  align-self: flex-end;
}

/* ── FOCUS HERO PILLS ── */
.focus-pills { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.pill {
  padding: 7px 18px;
  border-radius: 30px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 2px solid var(--gold);
  color: var(--gold);
}

/* ── PAGE HERO VARIANTS ── */
.hero-sm { min-height: 260px; padding: 64px 5vw 56px; }

/* ── DIVIDER ── */
.divider { height: 1.5px; background: var(--border); margin: 0 5vw; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links a { padding: 0 10px; font-size: 0.72rem; }
  .value-row { flex-direction: column; }
  .value-key { min-width: unset; }
}