/* Align AI Foundation — Global Styles */

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

:root {
  --black: #0a0a0a;
  --dark: #111111;
  --dark-2: #1a1a1a;
  --dark-3: #222222;
  --mid: #333333;
  --border: #2a2a2a;
  --text: #e8e8e8;
  --text-muted: #888888;
  --text-dim: #555555;
  --accent: #4a7fa5;
  --accent-light: #5b9cc4;
  --accent-glow: rgba(74, 127, 165, 0.15);
  --white: #ffffff;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--black);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5 {
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }

p { color: #b0b0b0; }

a {
  color: var(--accent-light);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover { color: var(--white); }

/* Layout */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}

section {
  padding: 96px 0;
}

/* NAV */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 64px;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.nav-logo-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
  filter: invert(1);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
}

.nav-cta {
  background: var(--accent);
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 0.875rem !important;
  font-weight: 600 !important;
  transition: background 0.2s, transform 0.1s !important;
}

.nav-cta:hover {
  background: var(--accent-light) !important;
  color: var(--white) !important;
  transform: translateY(-1px);
}

/* HERO */
.hero {
  padding-top: 160px;
  padding-bottom: 120px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(74, 127, 165, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-glow);
  border: 1px solid rgba(74, 127, 165, 0.3);
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero-label::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent-light);
  border-radius: 50%;
}

.hero h1 {
  max-width: 820px;
  margin-bottom: 24px;
  color: var(--white);
}

.hero h1 em {
  font-style: normal;
  color: var(--accent-light);
}

.hero-sub {
  font-size: 1.15rem;
  color: #999;
  max-width: 600px;
  margin-bottom: 48px;
  line-height: 1.7;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  border: 1px solid var(--accent);
}

.btn-primary:hover {
  background: var(--accent-light);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(74, 127, 165, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--dark-2);
  color: var(--white);
  transform: translateY(-2px);
}

/* SECTION LABEL */
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 16px;
}

/* PROGRAMS */
.programs {
  background: var(--dark);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.programs-header {
  max-width: 600px;
  margin-bottom: 64px;
}

.programs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.program-card {
  background: var(--dark-2);
  padding: 40px;
  transition: background 0.2s;
}

.program-card:hover {
  background: var(--dark-3);
}

.program-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-light);
  margin-bottom: 20px;
  opacity: 0.8;
}

.program-card h3 {
  color: var(--white);
  margin-bottom: 12px;
}

.program-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* RESEARCH FOCUS */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.focus-card {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
  transition: border-color 0.2s, transform 0.2s;
}

.focus-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.focus-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-glow);
  border: 1px solid rgba(74, 127, 165, 0.3);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.focus-card h3 {
  color: var(--white);
  margin-bottom: 12px;
}

/* WHY US */
.why-us {
  background: var(--dark);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.why-header {
  max-width: 560px;
  margin-bottom: 64px;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 48px;
}

.why-item {
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.why-item h3 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 10px;
}

.why-item p {
  font-size: 0.9rem;
  line-height: 1.6;
}

/* CTA BAND */
.cta-band {
  text-align: center;
  padding: 120px 0;
}

.cta-band h2 {
  color: var(--white);
  max-width: 600px;
  margin: 0 auto 20px;
}

.cta-band p {
  max-width: 480px;
  margin: 0 auto 40px;
}

/* FOOTER */
footer {
  background: var(--dark);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: start;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 320px;
  margin-top: 12px;
}

.footer-nav {
  display: flex;
  gap: 48px;
}

.footer-nav-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-nav-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav-col a {
  color: #666;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-nav-col a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  width: 36px;
  height: 36px;
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: all 0.2s;
}

.social-links a:hover {
  background: var(--dark-3);
  color: var(--white);
  border-color: var(--accent);
}

/* PAGE HERO (inner pages) */
.page-hero {
  padding-top: 140px;
  padding-bottom: 72px;
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  color: var(--white);
  margin-bottom: 20px;
}

.page-hero p {
  font-size: 1.1rem;
  max-width: 640px;
}

/* ABOUT page */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 56px;
}

.team-card {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: border-color 0.2s;
}

.team-card:hover {
  border-color: var(--accent);
}

.team-photo {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top;
  border: 2px solid rgba(74, 127, 165, 0.4);
  margin-bottom: 20px;
  display: block;
}

.team-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 2px solid rgba(74, 127, 165, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-light);
  margin-bottom: 20px;
}

.team-card h3 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 4px;
}

.team-role {
  font-size: 0.8rem;
  color: var(--accent-light);
  font-weight: 500;
  margin-bottom: 12px;
}

.team-card p {
  font-size: 0.875rem;
  line-height: 1.6;
}

.team-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(74, 127, 165, 0.1);
  color: var(--accent-light);
  border: 1px solid rgba(74, 127, 165, 0.2);
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 16px;
}

/* ALIGNMENT page */
.alignment-sections {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.alignment-block {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 64px;
  align-items: start;
  padding-bottom: 80px;
  border-bottom: 1px solid var(--border);
}

.alignment-block:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.alignment-block h2 {
  color: var(--white);
}

.alignment-content p {
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 20px;
}

.alignment-content p:last-child {
  margin-bottom: 0;
}

/* CONTACT page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  margin-top: 64px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--white);
  font-size: 0.95rem;
  font-family: var(--font);
  transition: border-color 0.2s;
  outline: none;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-info {
  padding-top: 8px;
}

.contact-info h3 {
  color: var(--white);
  margin-bottom: 16px;
}

.contact-info p {
  font-size: 0.95rem;
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.contact-link:hover {
  color: var(--white);
}

.contact-link-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-glow);
  border: 1px solid rgba(74, 127, 165, 0.3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

/* Utilities */
.text-center { text-align: center; }
.text-accent { color: var(--accent-light); }
.text-white { color: var(--white); }

/* Responsive */
@media (max-width: 900px) {
  .programs-grid { grid-template-columns: 1fr; }
  .focus-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .alignment-block { grid-template-columns: 1fr; gap: 24px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-nav { flex-wrap: wrap; gap: 32px; }
}

@media (max-width: 600px) {
  .container { padding: 0 20px; }
  section { padding: 64px 0; }
  .nav-links { display: none; }
  .focus-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}