:root {
  --cream: #f8f6f2;
  --white: #ffffff;
  --gold: #b88828;
  --gold-soft: #d1b166;
  --navy: #1d2463;
  --charcoal: #1e1e1e;
  --slate: #2e2e2e;
  --muted: #6b6b6b;
  --shadow: 0 20px 60px rgba(30, 30, 30, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--charcoal);
  background: var(--cream);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.page {
  overflow-x: hidden;
}

.container {
  width: min(100% - 40px, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  background: var(--navy);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(184, 136, 40, 0.15);
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-brand img {
  width: 86px;
  height: auto;
}

.nav-title {
  font-family: "Playfair Display", "Times New Roman", serif;
  font-size: 20px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #FFF;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  border: 1px solid transparent;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.btn-primary {
  background: var(--gold);
  color: var(--white);
  box-shadow: 0 12px 30px rgba(184, 136, 40, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(184, 136, 40, 0.4);
}
.btn-secondary {
  border: 1px solid var(--gold);
  color: var(--gold);
  box-shadow: 0 12px 30px rgba(184, 136, 40, 0.3);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(184, 136, 40, 0.4);
}

.btn-ghost {
  border-color: var(--cream);
  color: var(--cream);
}

.hero {
  position: relative;
  padding: 120px 0 140px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: center;
}

.hero-content .eyebrow {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 18px;
}

.hero-title {
  font-family: "Playfair Display", "Times New Roman", serif;
  font-size: clamp(42px, 6vw, 76px);
  margin: 0 0 16px;
  line-height: 1.2em;
}

.hero-lead {
  font-size: 18px;
  color: var(--slate);
  margin-bottom: 26px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-card {
  background: var(--white);
  padding: 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid rgba(184, 136, 40, 0.1);
}

.hero-card h3 {
  margin-top: 0;
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.hero-card p {
  margin-bottom: 12px;
  color: var(--slate);
}

.parallax-shell {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(0px);
  opacity: 0.55;
}

.orb-1 {
  width: 280px;
  height: 280px;
  background: rgba(184, 136, 40, 0.22);
  top: 40px;
  left: -80px;
}

.orb-2 {
  width: 220px;
  height: 220px;
  background: rgba(29, 36, 99, 0.28);
  top: 120px;
  right: -60px;
}

.orb-3 {
  width: 360px;
  height: 360px;
  background: rgba(184, 136, 40, 0.18);
  bottom: -160px;
  left: 30%;
}

.orb-4 {
  width: 200px;
  height: 200px;
  background: rgba(29, 36, 99, 0.22);
  top: -40px;
  right: 25%;
}

.spark {
  position: absolute;
  border-radius: 999px;
  /* border: 1px solid rgba(29, 36, 99, 0.4); */
  /* box-shadow: 0 0 25px rgba(29, 36, 99, 0.18), inset 0 0 18px rgba(184, 136, 40, 0.2); */
  background: rgba(255, 255, 255, 0.55);
}

.spark-1 {
  width: 140px;
  height: 140px;
  top: 60%;
  left: -40px;
}

.spark-2 {
  width: 110px;
  height: 110px;
  top: 18%;
  right: -30px;
}

.section {
  padding: 110px 0;
  position: relative;
}

.section-title {
  font-family: "Playfair Display", "Times New Roman", serif;
  font-size: clamp(30px, 4vw, 50px);
  margin: 0 0 12px;
}

.section-subtitle {
  color: var(--muted);
  max-width: 680px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 26px;
  border: 1px solid rgba(184, 136, 40, 0.12);
  box-shadow: 0 16px 40px rgba(30, 30, 30, 0.08);
}

.card h4 {
  margin-top: 0;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.card ul {
  padding-left: 18px;
  margin: 12px 0 0;
  color: var(--slate);
}

.parallax-band {
  background: rgba(29, 36, 99, 0.04);
  border-top: 1px solid rgba(29, 36, 99, 0.2);
  border-bottom: 1px solid rgba(29, 36, 99, 0.2);
}

.with-illustration {
  position: relative;
  overflow: hidden;
}

.with-illustration::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background-image: var(--illustration);
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  pointer-events: none;
  mask-image: linear-gradient(to left, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0));
  -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0));
  transform: translate3d(var(--bg-shift, 0px), 0, 0);
  transition: transform 0.2s ease-out;
  will-change: transform;
}

.illustration-left::after {
  right: auto;
  left: 0;
  mask-image: linear-gradient(to right, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0));
  -webkit-mask-image: linear-gradient(to right, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0));
}

.with-illustration > .container {
  position: relative;
  z-index: 1;
}

.band-program {
  --illustration: url("../img/reunion.png");
}

.band-learning {
  --illustration: url("../img/meeting.png");
}

.band-ecosystem {
  --illustration: url("../img/close-up-astronaut-reviewing-spacecraft-metrics-tablet.jpg");
}

.band-committee {
  --illustration: url("../img/operation.png");
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
  align-items: center;
}

.quote-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.quote {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 22px;
  border-left: 3px solid var(--navy);
  color: var(--slate);
}

.committee-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 20px;
  margin-top: 46px;
}

.person-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: left;
  border: 1px solid rgba(184, 136, 40, 0.1);
  box-shadow: 0 14px 36px rgba(30, 30, 30, 0.08);
}

.person-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.person-card h4 {
  margin: 0 0 6px;
  font-size: 18px;
}

.person-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(29, 36, 99, 0.12);
  color: var(--navy);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.cta {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 50px;
  display: grid;
  gap: 20px;
}

.cta p {
  color: rgba(255, 255, 255, 0.75);
}

.footer {
  padding: 40px 0 60px;
  color: var(--muted);
  font-size: 13px;
}

.reveal {
  opacity: 0;
  transform: translateY(40px) scale(0.98);
  transition: opacity 0.9s ease, transform 0.9s ease;
  will-change: transform, opacity;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }
}

@media (min-width: 900px) and (max-width: 1199px) {
  .committee-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .committee-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
  }

  .person-card {
    padding: 16px;
  }

  .person-card img {
    height: 170px;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 90px;
  }

  .cta {
    padding: 36px;
  }
}
