:root {
  --bg: #050608;
  --ink: #eef1f5;
  --grid-light: rgba(180, 190, 205, 0.09);
  --grid-fine: rgba(140, 150, 170, 0.05);
  --grid-shadow: rgba(0, 0, 0, 0.6);
  --metallic: linear-gradient(135deg, #0a0c0f 0%, #111418 50%, #0a0c0f 100%);
  --line: rgba(130, 146, 164, 0.18);
  --panel: rgba(10, 12, 16, 0.9);
  --accent: #c0c8d4;
  --muted: #97a2ad;
  --steel: #8c99a6;
  --glow: rgba(80, 140, 220, 0.12);
}

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

html,
body {
  height: 100%;
  min-height: 100dvh;
  margin: 0;
  padding: 0;
}

body {
  font-family: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
  overflow-x: hidden;
}

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

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(20, 30, 50, 0.45) 0%, transparent 65%),
    radial-gradient(ellipse at 50% 100%, rgba(10, 15, 25, 0.3) 0%, transparent 60%),
    linear-gradient(to bottom, #0a0b0e 0%, #050608 40%, #020304 100%);
  pointer-events: none;
}

.wrap {
  width: min(1180px, 92vw);
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

.bg-atmosphere {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  min-height: 100dvh;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(
      ellipse at 50% 20%,
      rgba(30, 55, 100, 0.1) 0%,
      transparent 70%
    ),
    radial-gradient(
      ellipse at 50% 80%,
      rgba(15, 25, 50, 0.08) 0%,
      transparent 65%
    );
  opacity: 0.9;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 10, 14, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 0;
  gap: 1.5rem;
}

.logo {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
}

.primary-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.primary-nav a {
  padding-bottom: 0.3rem;
  border-bottom: 1px solid transparent;
}

.primary-nav a:focus-visible,
.primary-nav a:hover {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.cta-row {
  margin: 0 0 2.2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  border: 1px solid rgba(140, 158, 178, 0.35);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
  background: transparent;
  color: var(--ink);
}

.btn-primary {
  background: linear-gradient(120deg, rgba(154, 172, 194, 0.22), rgba(200, 210, 224, 0.5));
  box-shadow: 0 18px 40px rgba(5, 8, 14, 0.45);
  border-color: rgba(176, 192, 212, 0.6);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  border-color: rgba(208, 220, 236, 0.8);
  box-shadow: 0 22px 56px rgba(6, 9, 14, 0.5);
}

.hero {
  padding: 6rem 0 4.5rem;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 3rem;
  align-items: start;
}

.hero-copy h1 {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: clamp(2.7rem, 6vw, 5.1rem);
  letter-spacing: -0.02em;
  line-height: 1.02;
  margin-bottom: 1.3rem;
}

.hero-lead {
  max-width: 520px;
  color: rgba(238, 241, 245, 0.8);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  margin-bottom: 2rem;
}

.eyebrow {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  font-size: 0.7rem;
  color: var(--steel);
  margin-bottom: 1rem;
}

.hero-brief {
  display: grid;
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}

.brief-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.brief-value {
  display: block;
  margin-top: 0.3rem;
  color: var(--ink);
  font-weight: 500;
}

.hero-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2.2rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}

.panel-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.panel-metrics {
  display: grid;
  gap: 1.2rem;
  margin-top: 1.6rem;
}

.panel-metrics dt {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.panel-metrics dd {
  margin-top: 0.4rem;
  color: var(--ink);
  font-weight: 500;
}

h1,
h2,
h3 {
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.section {
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--line);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

.section-head p {
  max-width: 520px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.6rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.8rem;
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.28);
}

.card h3 {
  margin-bottom: 0.6rem;
  font-size: 1.1rem;
}

.card p {
  color: rgba(238, 241, 245, 0.75);
}

.list-grid {
  display: grid;
  gap: 1.2rem;
}

.list-item {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 12px;
  padding: 1.6rem;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.25);
}

.list-item p {
  color: rgba(238, 241, 245, 0.75);
  margin-top: 0.4rem;
}

.leadership-grid {
  display: grid;
  gap: 1.2rem;
}

.leader-card {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 12px;
  padding: 1.5rem;
  display: grid;
  gap: 0.6rem;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.25);
}

.leader-block {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--accent);
}

.contact {
  background: rgba(12, 14, 18, 0.92);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.4rem;
}

.contact-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.6rem;
  background: var(--panel);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.25);
}

.contact-card a {
  color: var(--accent);
}

.site-footer {
  padding: 3.5rem 0;
  color: var(--muted);
  background: #06070a;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
}

.footer-grid strong {
  color: var(--ink);
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Stagger cards within a grid */
.grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.grid .reveal:nth-child(3) { transition-delay: 0.2s; }

/* ── Card hover effects ── */
.card {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.35s ease,
              border-color 0.35s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 64px rgba(0, 0, 0, 0.4), 0 0 40px var(--glow);
  border-color: rgba(130, 170, 220, 0.3);
}

.list-item,
.leader-card,
.contact-card {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.35s ease,
              border-color 0.35s ease;
}

.list-item:hover,
.leader-card:hover,
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.35), 0 0 30px var(--glow);
  border-color: rgba(130, 170, 220, 0.25);
}

/* ── Button enhancements ── */
.btn {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  background: linear-gradient(120deg, rgba(154, 172, 194, 0.3), rgba(200, 210, 224, 0.6));
}

/* ── Logo pulse ── */
.logo {
  transition: text-shadow 0.3s ease;
}

.logo:hover {
  text-shadow: 0 0 20px rgba(180, 200, 230, 0.25);
}

/* ── Hero panel glow ── */
.hero-panel {
  transition: box-shadow 0.4s ease, border-color 0.4s ease;
}

.hero-panel:hover {
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.35), 0 0 60px var(--glow);
  border-color: rgba(130, 170, 220, 0.25);
}

/* ── Active nav link highlight ── */
.primary-nav a.active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* ── Mobile hamburger menu ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  z-index: 200;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Header scroll effect ── */
.site-header {
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    height: 100dvh;
    background: rgba(8, 10, 14, 0.98);
    backdrop-filter: blur(20px);
    padding: 5rem 2rem 2rem;
    gap: 0;
    border-left: 1px solid var(--line);
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 150;
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
  }

  .primary-nav.open {
    transform: translateX(0);
  }

  .primary-nav a {
    font-size: 0.9rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--line);
    letter-spacing: 0.18em;
  }

  .hero {
    padding-top: 4.5rem;
  }
}

@media (max-width: 640px) {
  .hero-brief {
    gap: 0.8rem;
  }

  .hero-copy h1 {
    font-size: clamp(2.2rem, 8vw, 3.5rem);
  }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .card,
  .list-item,
  .leader-card,
  .contact-card,
  .btn,
  .hero-panel {
    transition: none;
  }
}