/* === WILCORD - Institutional Knowledge Portal === */
/* Primary: #2C3E50 (Deep Sapphire) */
/* Accents: #F39C12 (Goldenrod), #1ABC9C (Jade Green), #BDC3C7 (Silver Mist) */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #2C3E50;
  background-color: #ffffff;
  line-height: 1.6;
}

/* === TYPOGRAPHY === */
h1 {
  font-size: 3.5rem;
  font-weight: 700;
  color: #2C3E50;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #2C3E50;
  margin-bottom: 1.5rem;
  margin-top: 3rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.8rem;
  font-weight: 600;
  color: #2C3E50;
  margin-bottom: 1rem;
  margin-top: 2rem;
}

h4 {
  font-size: 1.4rem;
  font-weight: 600;
  color: #2C3E50;
  margin-bottom: 0.8rem;
}

p {
  font-size: 1.05rem;
  color: #2C3E50;
  margin-bottom: 1.5rem;
  line-height: 1.8;
  max-width: 900px;
}

a {
  color: #2C3E50;
  text-decoration: none;
  transition: color 0.3s ease, border-color 0.3s ease;
  border-bottom: 2px solid transparent;
}

a:hover {
  color: #F39C12;
  border-bottom-color: #F39C12;
}

ul, ol {
  margin-bottom: 1.5rem;
  margin-left: 2rem;
}

li {
  margin-bottom: 0.8rem;
  line-height: 1.8;
}

/* === LAYOUT === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.container-full {
  width: 100%;
}

/* === HEADER & NAVIGATION === */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: #ffffff;
  box-shadow: 0 2px 8px rgba(44, 62, 80, 0.08);
  z-index: 1000;
  padding: 1.2rem 0;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: #2C3E50;
  letter-spacing: 0.05em;
}

nav {
  display: flex;
  gap: 3rem;
  align-items: center;
}

nav a {
  font-size: 1rem;
  color: #2C3E50;
  font-weight: 500;
  position: relative;
  padding-bottom: 0.5rem;
}

nav a.active {
  color: #1ABC9C;
  border-bottom: 3px solid #1ABC9C;
}

nav a:hover:not(.active) {
  color: #F39C12;
}

main {
  margin-top: 80px;
  padding-top: 3rem;
}

/* === HERO SECTION === */
.hero {
  width: 100%;
  background: linear-gradient(135deg, rgba(44, 62, 80, 0.95) 0%, rgba(26, 188, 156, 0.1) 100%);
  padding: 120px 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero h1 {
  color: #ffffff;
  max-width: 900px;
  margin: 0 auto 1.5rem;
}

.hero-subtitle {
  font-size: 1.4rem;
  color: #BDC3C7;
  max-width: 800px;
  margin: 0 auto 2rem;
  font-weight: 300;
}

/* === SECTIONS === */
section {
  padding: 100px 2rem;
  border-bottom: 1px solid #f0f0f0;
}

section:last-of-type {
  border-bottom: none;
}

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

/* === GRID LAYOUT === */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

/* === IMAGES === */
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(44, 62, 80, 0.12);
}

.image-container {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
}

.image-container img:hover {
  opacity: 0.9;
  transform: scale(1.02);
  transition: all 0.3s ease;
}

/* === CARDS === */
.card {
  background-color: #ffffff;
  border: 1px solid #e8e8e8;
  border-radius: 4px;
  padding: 2.5rem;
  box-shadow: 0 4px 12px rgba(44, 62, 80, 0.08);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 12px 32px rgba(44, 62, 80, 0.15);
  transform: translateY(-4px);
}

.card h3 {
  margin-top: 0;
}

.card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 1.5rem;
}

/* === BUTTONS === */
.btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  background-color: #2C3E50;
  color: #BDC3C7;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn:hover {
  background-color: #1ABC9C;
  color: #ffffff;
}

.btn-secondary {
  background-color: transparent;
  border: 2px solid #2C3E50;
  color: #2C3E50;
}

.btn-secondary:hover {
  background-color: #2C3E50;
  color: #ffffff;
}

/* === FOOTER === */
footer {
  background-color: #2C3E50;
  color: #BDC3C7;
  padding: 80px 2rem 40px;
  margin-top: 100px;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4rem;
  margin-bottom: 4rem;
  border-bottom: 1px solid rgba(189, 195, 199, 0.2);
  padding-bottom: 4rem;
}

.footer-section h4 {
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.footer-section a {
  color: #BDC3C7;
  font-size: 0.95rem;
  display: block;
  margin-bottom: 0.8rem;
}

.footer-section a:hover {
  color: #F39C12;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.footer-bottom p {
  margin: 0;
  color: #BDC3C7;
}

/* === ACCENT SECTIONS === */
.section-accent {
  background-color: #f8f9fa;
}

.section-testimonial {
  background-color: #2C3E50;
  color: #BDC3C7;
}

.section-testimonial h2 {
  color: #ffffff;
}

.section-testimonial p {
  color: #BDC3C7;
}

/* === BLOCKQUOTE === */
blockquote {
  border-left: 4px solid #F39C12;
  padding-left: 2rem;
  margin: 2rem 0;
  font-style: italic;
  color: #2C3E50;
  font-size: 1.1rem;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  h1 {
    font-size: 2.2rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  h3 {
    font-size: 1.4rem;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  nav {
    gap: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  section {
    padding: 60px 2rem;
  }

  .hero {
    padding: 80px 2rem;
  }

  .hero h1 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.4rem;
  }

  nav {
    gap: 1rem;
    font-size: 0.9rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  section {
    padding: 40px 1.5rem;
  }

  .container {
    padding: 0 1.5rem;
  }
}