@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Playfair+Display:wght@400;500;600&display=swap');

:root {
  /* Colors */
  --color-inkwell-black: #17150e;
  --color-cloud-white: #ffffff;
  --color-porcelain-gray: #f0f7f6;
  --color-obsidian-black: #000000;
  --color-silver-mist: #e2e2e2;
  --color-genius-yellow: #cccc25;
  --color-sky-violet: #9fa6ff;
  
  /* Gradients */
  --gradient-yellow: linear-gradient(135deg, rgb(204, 204, 37) 0%, rgb(202, 205, 120) 100%);
  --gradient-violet: linear-gradient(135deg, rgb(159, 166, 255) 0%, rgb(179, 186, 232) 100%);
  --gradient-dark: linear-gradient(135deg, #17150e 0%, #2a2820 100%);

  /* Typography — Font Families */
  --font-inter: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-playfair: 'Playfair Display', ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;

  /* Spacing */
  --spacing-4: 4px;
  --spacing-8: 8px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-20: 20px;
  --spacing-24: 24px;
  --spacing-32: 32px;
  --spacing-40: 40px;
  --spacing-48: 48px;
  --spacing-56: 56px;
  --spacing-80: 60px;
  --spacing-96: 72px;
  --spacing-120: 80px;

  /* Border Radius */
  --radius-cards: 16px; /* softer cards for elite feel */
  --radius-buttons: 1440px;
  
  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Shadows */
  --shadow-soft: 0 10px 40px rgba(0,0,0,0.05);
  --shadow-hover: 0 20px 60px rgba(0,0,0,0.08);
}

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

body {
  font-family: var(--font-inter);
  color: var(--color-inkwell-black);
  background-color: var(--color-cloud-white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 {
  color: var(--color-inkwell-black);
}

.display-hero {
  font-family: var(--font-playfair);
  font-size: 96px;
  line-height: 0.90;
  letter-spacing: -0.03em;
  font-weight: 500;
  margin-bottom: var(--spacing-32);
}

.heading-lg {
  font-family: var(--font-inter);
  font-size: 48px;
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 600;
  margin-bottom: var(--spacing-24);
}

.heading {
  font-family: var(--font-inter);
  font-size: 32px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 600;
  margin-bottom: var(--spacing-16);
}

.subheading {
  font-family: var(--font-inter);
  font-size: 20px;
  line-height: 1.2;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-inkwell-black);
  margin-bottom: var(--spacing-16);
}

.body-text {
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: #4a4a4a;
}

.body-large {
  font-size: 22px;
  line-height: 1.5;
  font-weight: 400;
  color: #4a4a4a;
  max-width: 800px;
}

/* Layout Utilities */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-32);
}

.section {
  padding: var(--spacing-80) 0;
  position: relative;
  overflow: hidden;
}

.section-panel {
  margin: var(--spacing-24) var(--spacing-24);
  padding: var(--spacing-56) var(--spacing-40);
  border-radius: 32px;
}

.section-gray {
  background-color: var(--color-porcelain-gray);
}

.section-dark {
  background: var(--gradient-dark);
  color: var(--color-cloud-white);
}

.section-violet {
  background: var(--gradient-violet);
  color: var(--color-inkwell-black);
}

.section-yellow {
  background: var(--gradient-yellow);
  color: var(--color-inkwell-black);
}

.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 {
  color: var(--color-cloud-white);
}

.section-dark .body-text, .section-dark .body-large {
  color: rgba(255, 255, 255, 0.85);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-80);
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-32);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-24);
}

/* Navigation */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-24) var(--spacing-40);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.logo {
  font-family: var(--font-inter);
  font-weight: 700;
  font-size: 24px;
  color: var(--color-obsidian-black);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: var(--spacing-40);
  list-style: none;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-obsidian-black);
  font-weight: 500;
  font-size: 15px;
  transition: var(--transition-smooth);
}

.nav-links a:hover {
  color: var(--color-sky-violet);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 18px 36px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border-radius: var(--radius-buttons);
  transition: var(--transition-smooth);
  cursor: pointer;
  text-align: center;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--gradient-yellow);
  color: var(--color-inkwell-black);
  border: none;
  box-shadow: 0 4px 15px rgba(204, 204, 37, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(204, 204, 37, 0.4);
}

.btn-dark {
  background-color: var(--color-inkwell-black);
  color: var(--color-cloud-white);
  border: none;
}

.btn-dark:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-obsidian-black);
  border: 1px solid var(--color-obsidian-black);
}

.btn-outline:hover {
  background-color: var(--color-obsidian-black);
  color: var(--color-cloud-white);
}

.btn-light {
  background-color: var(--color-cloud-white);
  color: var(--color-obsidian-black);
  border: none;
}

.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255,255,255,0.2);
}

/* Components */
.card {
  background-color: var(--color-cloud-white);
  border-radius: var(--radius-cards);
  padding: var(--spacing-40);
  border: 1px solid rgba(0,0,0,0.04);
  box-shadow: var(--shadow-soft);
  transition: var(--transition-smooth);
  height: 100%;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-sky-violet);
}

.card-gray {
  background-color: var(--color-porcelain-gray);
  border: none;
  box-shadow: none;
}

.card-gray:hover {
  background-color: #e5f0ef;
  border-color: transparent;
}

.badge {
  display: inline-flex;
  align-items: center;
  background-color: var(--color-porcelain-gray);
  color: var(--color-inkwell-black);
  padding: 8px 16px;
  border-radius: var(--radius-buttons);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-24);
}

.badge-violet {
  background: var(--gradient-violet);
  color: var(--color-inkwell-black);
}

.badge-yellow {
  background: var(--gradient-yellow);
  color: var(--color-inkwell-black);
}

.badge-outline {
  background: transparent;
  border: 1px solid var(--color-silver-mist);
}

/* Footer */
.footer {
  background-color: var(--color-cloud-white);
  padding: var(--spacing-80) 0 var(--spacing-48) 0;
  border-top: 1px solid var(--color-silver-mist);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-80);
  margin-bottom: var(--spacing-80);
}

.footer h4 {
  font-size: 16px;
  margin-bottom: var(--spacing-32);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-inkwell-black);
}

.footer ul {
  list-style: none;
}

.footer ul li {
  margin-bottom: var(--spacing-16);
}

.footer ul li a {
  color: #666;
  text-decoration: none;
  font-size: 15px;
  transition: var(--transition-smooth);
}

.footer ul li a:hover {
  color: var(--color-sky-violet);
}

.footer-bottom {
  border-top: 1px solid var(--color-silver-mist);
  padding-top: var(--spacing-32);
  display: flex;
  justify-content: space-between;
  color: #888;
  font-size: 14px;
}

/* Animations */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-smooth);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 968px) {
  .display-hero { font-size: 64px; }
  .grid-2 { grid-template-columns: 1fr; gap: var(--spacing-48); }
  .footer-content { grid-template-columns: 1fr; gap: var(--spacing-48); }
  .section-panel { margin: var(--spacing-24) var(--spacing-16); padding: var(--spacing-56) var(--spacing-24); }
}
@media (max-width: 480px) {
  .display-hero { font-size: 48px; }
  .heading-lg { font-size: 36px; }
  .section { padding: var(--spacing-80) 0; }
  .nav-links { display: none; }
}