:root {
  --obsidian: #050505;
  --slate: #64748B;
  --electric-blue: #0A84FF;
  --cobalt: #1E40AF;
  --card-bg: rgba(20, 20, 25, 0.4);
  --card-border: rgba(255, 255, 255, 0.08);
  --glass-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 64px;
  --spacing-section: 140px;
  --border-radius-lg: 24px;
  --border-radius-xl: 32px;
}

/* PREMIUM FONT STACK */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;700;800&family=Inter:wght@400;500;600;800&family=Inter+Tight:wght@300;400;500&display=swap');

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

body {
  font-family: 'Inter Tight', sans-serif;
  background-color: var(--obsidian);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* CINEMATIC ORBS */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  opacity: 0.15;
  pointer-events: none;
}

.orb-1 { top: -10%; left: -10%; width: 500px; height: 500px; background: var(--cobalt); }
.orb-2 { bottom: 10%; right: -5%; width: 600px; height: 600px; background: var(--electric-blue); }
.orb-3 { top: 40%; right: 20%; width: 400px; height: 400px; background: rgba(10, 132, 255, 0.1); }

h1, h2, h3 { 
  font-family: 'Plus Jakarta Sans', sans-serif; 
  font-weight: 300;
  margin-bottom: 24px;
}

.vc-header {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 300;
}

.flex-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

h1 { font-size: 4rem; line-height: 1.2; }
h2 { font-size: 2.5rem; }

.logo-filter {
  filter: invert(1) hue-rotate(180deg) brightness(1.2);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  position: relative;
  z-index: 10;
}

/* LOGO: IMAGE-BASED (High Fidelity) */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 400;
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  text-transform: lowercase;
  text-decoration: none;
  color: #FFF;
  transition: opacity 0.3s;
}

.logo span span { color: var(--electric-blue); font-weight: 700; }

.iq-logo-img {
  height: 32px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.nav-links li a.active {
  color: #FFF;
}

/* SECTION HEADERS (Centered) */
.section-header {
  max-width: 900px;
  margin: 0 auto 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  text-transform: none;
}

/* HERO: CENTERED Vertical Stack */
.hero-centered {
  padding: 160px 0;
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 40px auto;
  text-transform: none;
  letter-spacing: normal;
}

.floating-mockup-centered {
  width: 100%;
  max-width: 500px;
  margin: 80px auto 0;
  border-radius: var(--border-radius-xl);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.8), 0 0 50px rgba(10, 132, 255, 0.1);
  border: 1px solid var(--card-border);
  position: relative;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.floating-mockup-centered:hover {
  transform: translateY(-10px) scale(1.02);
}

/* BENTO GRID (High-End Polish) */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(200px, auto);
  gap: var(--spacing-lg);
  margin-top: 100px;
}

.bento-item {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.bento-item h3 { 
  font-size: 1.1rem; 
  letter-spacing: 0.15em; 
  margin-bottom: 12px;
  color: #FFF;
}

.bento-item p {
  text-transform: none;
  letter-spacing: normal;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.bento-item:hover {
  border-color: rgba(10, 132, 255, 0.3);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 40px rgba(10, 132, 255, 0.05);
}

.bento-item.large { grid-column: span 2; grid-row: span 2; padding: 48px; }
.bento-item.wide { grid-column: span 2; }
.bento-item.tall { grid-row: span 2; }

/* FOUNDER SECTION (Centered Stack) */
.founder-centered {
  text-align: center;
  padding: var(--spacing-section) 0;
}

.founder-img-wrapper {
  width: 200px;
  height: 200px;
  margin: 0 auto 48px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--electric-blue);
}

.founder-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  filter: grayscale(1);
  transition: all 0.5s ease;
}

.founder-img-wrapper:hover .founder-img {
  filter: grayscale(0);
  transform: scale(1.05);
}

/* FOOTER (Centered Balance) */
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  padding: 80px 0;
  border-top: 1px solid var(--card-border);
}

.footer-col h4 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.75rem;
  margin-bottom: 24px;
  color: #FFF;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col ul li a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

.footer-col ul li a:hover {
  color: #FFF;
}

.footer-bottom {
  padding: 40px 0;
  border-top: 1px solid var(--card-border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* BUTTONS */
.btn {
  font-family: 'Plus Jakarta Sans', sans-serif;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 16px 36px;
  border-radius: 50px;
  font-weight: 500;
  font-size: 0.8rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary { background: var(--electric-blue); color: #FFF; }
.btn-primary:hover { background: #0070E0; transform: translateY(-3px); box-shadow: 0 10px 30px rgba(10, 132, 255, 0.3); }

.btn-outline { border: 1px solid var(--card-border); color: #FFF; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.05); border-color: #FFF; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  h1 { font-size: 2.5rem; letter-spacing: 0.3em; }
  .bento-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  h1 { font-size: 2rem; letter-spacing: 0.25em; }
  .bento-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
}