:root {
  --primary-color: #2563EB; /* Clean Blue */
  --primary-dark: #1d4ed8;
  --bg-color: #ffffff;
  --surface-color: #f9fafb;
  --text-primary: #000000;
  --text-secondary: #4b5563;
  --text-tertiary: #6b7280;
  --border-color: #e5e7eb;
  
  --dark-bg: #ffffff; /* Overridden to white for light theme */
  --dark-surface: #f9fafb; /* Overridden to light gray */
  --dark-text: #000000; /* Overridden to black */
  --dark-border: #e5e7eb;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition: all 0.3s ease;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--dark-bg);
  color: var(--dark-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

/* NAVBAR */
.nav-wrap {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
}

.nav-brand img {
  height: 48px;
  transition: var(--transition);
}

.nav-brand img:hover {
  opacity: 0.8;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.btn-primary {
  background: var(--primary-color);
  color: #ffffff !important;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 600 !important;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

/* HERO SECTION */
#hero {
  position: relative;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 24px;
  overflow: hidden;
}

.hero-bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 15vw;
  font-weight: 800;
  color: rgba(0, 0, 0, 0.03);
  white-space: nowrap;
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.typewriter-container h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero-sub {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--text-tertiary);
  max-width: 600px;
  margin: 0 auto;
}

/* SHOWCASE SECTION */
.section {
  padding: 100px 24px;
  background-color: var(--dark-surface);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.eyebrow {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  margin-bottom: 12px;
  display: block;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: 16px;
}

.divider {
  width: 40px;
  height: 2px;
  background: var(--primary-color);
  margin: 0 auto 24px auto;
}

.section-header p {
  color: #aaa;
  max-width: 600px;
  margin: 0 auto;
}

.sp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.sp-card {
  background: var(--dark-bg);
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.sp-card:hover {
  transform: translateY(-5px);
  border-color: #555;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.sp-cat {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--primary-color);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  font-weight: 600;
}

.sp-card h3 {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.sp-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* FOOTER */
footer {
  padding: 64px 24px 32px 24px;
  border-top: 1px solid var(--dark-border);
  background: var(--dark-bg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand img {
  height: 40px;
  margin-bottom: 16px;
}

.footer-tagline {
  color: var(--text-tertiary);
  font-size: 0.95rem;
  max-width: 300px;
}

.footer-col-title {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 24px;
}

.footer-col-links {
  list-style: none;
}

.footer-col-links li {
  margin-bottom: 12px;
}

.footer-col-links a {
  color: var(--text-tertiary);
  font-size: 0.95rem;
}

.footer-col-links a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--dark-border);
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

/* MOBILE RESPONSIVE */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
}
