:root {
  /* Brand Colors */
  --suy-primary: #dca655; /* Gold / Ocre */
  --suy-secondary-bg: #ffeaf8; /* Lighter Pale Pink for better contrast with glitter */

  /* Additional Neutrals for Professional Look */
  --suy-dark: #2c2925; /* Charcoal for text readability */
  --suy-light: #fdfdf9; /* Cream/Off-white for backgrounds */
  --suy-accent: #a87e3f; /* Darker gold for hover states or borders */
  --suy-error: #e04a4a; /* Red for incorrect usage highlights */

  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Montserrat', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--suy-dark);
  background-color: var(--suy-light);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--suy-primary);
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1.5rem;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

.section {
  padding: 6rem 0;
  border-bottom: 1px solid rgba(220, 166, 85, 0.2);
}

.section-title {
  font-size: 3rem;
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background-color: var(--suy-primary);
  margin: 1rem auto 0;
}

.text-center {
  text-align: center;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(253, 253, 249, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.logo-nav {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--suy-primary);
  text-decoration: none;
  letter-spacing: 2px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--suy-dark);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: var(--suy-secondary-bg);
  text-align: center;
  padding: 0 2rem;
  margin-top: 60px; /* Offset for fixed nav */
}

.hero img {
  max-width: 400px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 4rem;
  color: var(--suy-dark);
  margin-bottom: 0.5rem;
  letter-spacing: 4px;
}

.hero p {
  font-size: 1.2rem;
  color: var(--suy-dark);
  max-width: 600px;
  margin: 0 auto;
  font-weight: 300;
  letter-spacing: 1px;
}

/* About / Brand Story */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text {
  font-size: 1.1rem;
}

.about-image {
  background-color: var(--suy-secondary-bg);
  padding: 4rem;
  border-radius: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

/* Mission & Vision */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.mv-card {
  background-color: #fff;
  padding: 3rem;
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.03);
  border-top: 4px solid var(--suy-primary);
  text-align: center;
}

.mv-card h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

/* Logo Usage */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.logo-item {
  text-align: center;
}

.logo-box {
  background-color: #fff;
  border: 1px solid #eee;
  padding: 3rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}

.logo-box.dark-bg {
  background-color: var(--suy-dark);
  border: none;
}

.logo-item h4 {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--suy-dark);
  margin-bottom: 0.5rem;
}

.logo-item p {
  font-size: 0.9rem;
  color: #666;
}

/* Clear Space */
.clear-space {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 4rem;
}

.clear-space-box {
  position: relative;
  display: inline-block;
  padding: 3rem;
  border: 2px dashed var(--suy-primary);
  background-color: #fff;
}

.clear-space-indicator {
  position: absolute;
  color: var(--suy-primary);
  font-weight: bold;
  font-family: var(--font-body);
}

.cs-top { top: 1rem; left: 50%; transform: translateX(-50%); }
.cs-bottom { bottom: 1rem; left: 50%; transform: translateX(-50%); }
.cs-left { left: 1rem; top: 50%; transform: translateY(-50%); }
.cs-right { right: 1rem; top: 50%; transform: translateY(-50%); }


/* Expand Grid Utilities */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

/* Info Cards */
.info-card {
  background-color: #fff;
  padding: 2.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.03);
  border-left: 4px solid var(--suy-primary);
  margin-bottom: 2rem;
  transition: transform 0.3s ease;
}

.info-card:hover {
  transform: translateY(-5px);
}

.info-card h4 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.info-card ul {
  padding-left: 1.2rem;
  color: #555;
  font-size: 0.95rem;
}

.info-card li {
  margin-bottom: 0.5rem;
}

/* Usos Adecuados / Incorrectos */
.correct-box {
  background-color: #fff;
  border: 2px solid #e0f2e9;
  padding: 2rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
  position: relative;
  overflow: hidden;
}

.correct-box::before {
  content: '✓';
  position: absolute;
  top: 10px;
  right: 15px;
  color: #34a853;
  font-size: 1.5rem;
  font-weight: bold;
  font-family: var(--font-body);
}

.incorrect-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.incorrect-item {
  text-align: center;
}

.incorrect-box {
  background-color: #fff;
  border: 1px solid #eee;
  padding: 2rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
  position: relative;
  overflow: hidden;
}

.incorrect-box::before {
  content: 'X';
  position: absolute;
  top: 10px;
  right: 15px;
  color: var(--suy-error);
  font-size: 1.5rem;
  font-weight: bold;
  font-family: var(--font-body);
}

.incorrect-box img {
  max-width: 80%;
}

/* CSS specific correct/incorrect usages */
.distort img {
  transform: scaleY(1.5) scaleX(0.8);
}
.rotate img {
  transform: rotate(15deg);
}
.recolor img {
  filter: hue-rotate(90deg) saturate(200%);
}
.bad-contrast {
  background-color: var(--suy-primary);
}
.busy-bg {
  background: repeating-linear-gradient(45deg, #eee, #eee 10px, #ccc 10px, #ccc 20px);
}
.shadow img {
  filter: drop-shadow(5px 5px 5px rgba(0,0,0,0.5));
}
.outline img {
  filter: drop-shadow(2px 0 0 red) drop-shadow(-2px 0 0 red) drop-shadow(0 2px 0 red) drop-shadow(0 -2px 0 red);
}
.box-dark { background-color: var(--suy-dark); }
.box-light { background-color: #ffffff; }
.box-brand { background-color: var(--suy-secondary-bg); }

/* Color Palette */
.color-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.color-card {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.color-swatch {
  height: 150px;
  width: 100%;
}

.bg-primary { background-color: var(--suy-primary); }
.bg-secondary { background-color: var(--suy-secondary-bg); }
.bg-dark { background-color: var(--suy-dark); }
.bg-light { background-color: var(--suy-light); border: 1px solid #eee; }

.color-info {
  padding: 1.5rem;
  background-color: #fff;
}

.color-info h4 {
  font-family: var(--font-body);
  font-size: 1.2rem;
  color: var(--suy-dark);
  margin-bottom: 1rem;
  border-bottom: 1px solid #eee;
  padding-bottom: 0.5rem;
}

.color-values {
  list-style: none;
  font-size: 0.9rem;
  color: #555;
}

.color-values li {
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
}

.color-values strong {
  font-weight: 600;
  color: var(--suy-dark);
}

/* Typography Section */
.type-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.type-card {
  background-color: #fff;
  padding: 3rem;
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.03);
}

.type-sample-heading {
  font-family: var(--font-heading);
  font-size: 4rem;
  line-height: 1;
  color: var(--suy-primary);
  margin-bottom: 1rem;
}

.type-sample-body {
  font-family: var(--font-body);
  font-size: 3rem;
  line-height: 1;
  font-weight: 700;
  color: var(--suy-dark);
  margin-bottom: 1rem;
}

.type-alphabet {
  font-size: 1.2rem;
  word-break: break-all;
  letter-spacing: 2px;
  margin-bottom: 2rem;
  color: #666;
}

.type-use {
  font-size: 0.95rem;
  color: #555;
  border-top: 1px solid #eee;
  padding-top: 1.5rem;
}

/* Footer */
footer {
  background-color: var(--suy-dark);
  color: #fff;
  text-align: center;
  padding: 3rem 0;
}

footer p {
  margin-bottom: 0;
  opacity: 0.7;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none; /* simple hidden nav on mobile for this static page */
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .about-grid, .mv-grid, .type-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .section {
    padding: 4rem 0;
  }

  .section-title {
    font-size: 2rem;
  }
}