/* ============================================================
   CIA CURSOS - Design System
   Informática com Inteligência Artificial | Dourados/MS
   ============================================================ */

/* ---- Google Fonts Import ---- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* ---- CSS Custom Properties (Design Tokens) ---- */
:root {
  /* Primary Palette — CIA Cursos: Amarelo + Preto */
  --color-primary:        #FFD600; /* Amarelo CIA */
  --color-primary-dark:   #E6C000; /* Amarelo escuro */
  --color-primary-light:  #FFE566; /* Amarelo claro */
  --color-secondary:      #FFD600; /* Amarelo (mesmo primário) */
  --color-accent:         #FFC107; /* Âmbar */
  --color-accent-light:   #FFD740;

  /* Neutrals */
  --color-dark:           #0D0D0D; /* Preto */
  --color-dark-2:         #1A1A1A; /* Preto suave */
  --color-dark-3:         #242424; /* Cinza escuro */
  --color-mid:            #555555;
  --color-light:          #F5F5F0; /* Quase branco */
  --color-white:          #FFFFFF;
  --color-border:         #E0E0D8;

  /* Text */
  --text-primary:         #0D0D0D;
  --text-secondary:       #444444;
  --text-muted:           #888888;
  --text-on-dark:         #FFFFFF;
  --text-on-dark-muted:   rgba(255,255,255,0.65);

  /* Gradients */
  --gradient-hero:        linear-gradient(135deg, #0D0D0D 0%, #1A1A1A 60%, #111111 100%);
  --gradient-card:        linear-gradient(145deg, #1A1A1A 0%, #242424 100%);
  --gradient-accent:      linear-gradient(135deg, #FFD600 0%, #FFC107 100%);
  --gradient-blue:        linear-gradient(135deg, #FFD600 0%, #FFC107 100%);
  --gradient-section:     linear-gradient(180deg, #F5F5F0 0%, #FFFFFF 100%);

  /* Typography */
  --font-heading:         'Poppins', sans-serif;
  --font-body:            'Inter', sans-serif;

  /* Spacing */
  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2rem;
  --space-2xl:  3rem;
  --space-3xl:  4rem;
  --space-4xl:  6rem;

  /* Borders */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.12);
  --shadow-md:  0 8px 24px rgba(0,0,0,0.18);
  --shadow-lg:  0 16px 48px rgba(0,0,0,0.25);
  --shadow-blue:   0 8px 32px rgba(255,214,0,0.35);
  --shadow-accent: 0 8px 32px rgba(255,214,0,0.4);

  /* Transitions */
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

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

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }

p { color: var(--text-secondary); line-height: 1.75; }

.text-gradient {
  background: linear-gradient(135deg, #FFD600 0%, #FFC107 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-accent { color: var(--color-accent); }
.text-white { color: var(--color-white) !important; }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-blue);
  color: var(--color-dark);
  box-shadow: var(--shadow-blue);
  font-weight: 700;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(255,214,0,0.55);
  background: var(--color-primary-light);
}

.btn-accent {
  background: var(--color-dark);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--color-primary);
}
.btn-accent:hover {
  transform: translateY(-2px);
  background: var(--color-dark-2);
  box-shadow: 0 12px 40px rgba(255,214,0,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-dark);
  border-color: var(--color-primary);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

/* ---- Section Labels ---- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255,214,0,0.1);
  color: var(--color-secondary);
  border: 1px solid rgba(255,214,0,0.3);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-heading);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.section-label-dark {
  background: rgba(255,214,0,0.08);
  color: var(--color-primary);
  border-color: rgba(255,214,0,0.2);
}

/* ---- Section Titles ---- */
.section-title {
  margin-bottom: var(--space-md);
}
.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}
.section-header {
  margin-bottom: var(--space-3xl);
}
.section-header.centered {
  text-align: center;
}
.section-header.centered .section-subtitle {
  margin: 0 auto;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(13,13,13,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background var(--transition);
}

.navbar.scrolled {
  background: rgba(13,13,13,0.98);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

/* Logo */
.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar-logo-img {
  height: 52px;
  width: auto;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(255,214,0,0.3));
  transition: transform var(--transition), filter var(--transition);
}

.navbar-logo:hover .navbar-logo-img {
  transform: scale(1.05);
  filter: drop-shadow(0 4px 16px rgba(255,214,0,0.5));
}

.navbar-logo .logo-icon {
  width: 42px;
  height: 42px;
  background: var(--gradient-blue);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--color-dark);
  font-family: var(--font-heading);
  box-shadow: var(--shadow-blue);
}

.navbar-logo .logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.navbar-logo .logo-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.navbar-logo .logo-tagline {
  font-size: 0.65rem;
  color: var(--color-secondary);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Nav Links */
.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-link {
  padding: 0.5rem 1rem;
  color: rgba(255,255,255,0.8);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
  background: rgba(255,255,255,0.08);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--color-secondary);
  border-radius: 2px;
}

.navbar-cta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  min-height: 100vh;
  background: var(--gradient-hero);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(255,214,0,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(255,214,0,0.3) 0%, transparent 60%);
  pointer-events: none;
}

/* Grid dots pattern */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  width: 100%;
}

.hero-text {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255,214,0,0.12);
  border: 1px solid rgba(255,214,0,0.35);
  color: var(--color-secondary);
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-heading);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-secondary);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero-title {
  color: var(--color-white);
  margin-bottom: var(--space-lg);
  font-weight: 800;
}

.hero-title .highlight {
  color: var(--color-secondary);
  display: block;
}

.hero-description {
  color: var(--text-on-dark-muted);
  font-size: 1.1rem;
  margin-bottom: var(--space-2xl);
  max-width: 480px;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.hero-stats {
  display: flex;
  gap: var(--space-2xl);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--color-white);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-on-dark-muted);
  margin-top: 2px;
}

/* Hero visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card-stack {
  position: relative;
  width: 100%;
  max-width: 480px;
}

.hero-main-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: relative;
}

.hero-card-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-secondary);
  margin-bottom: var(--space-lg);
}

.course-preview-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.course-preview-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.course-preview-item:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(255,214,0,0.25);
}

.course-preview-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.course-preview-info {
  flex: 1;
  min-width: 0;
}

.course-preview-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.course-preview-cat {
  font-size: 0.75rem;
  color: var(--text-on-dark-muted);
  margin-top: 2px;
}

.course-preview-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(255,214,0,0.15);
  color: var(--color-secondary);
  border: 1px solid rgba(255,214,0,0.3);
  white-space: nowrap;
}

/* Floating accent cards */
.float-card {
  position: absolute;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.float-card-1 {
  top: -24px;
  right: -24px;
  animation: float 4s ease-in-out infinite;
}

.float-card-2 {
  bottom: -20px;
  left: -24px;
  animation: float 4s ease-in-out infinite 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.float-card .fc-icon { font-size: 1.5rem; }
.float-card .fc-info .fc-label {
  font-size: 0.7rem;
  color: var(--text-on-dark-muted);
  font-weight: 500;
}
.float-card .fc-info .fc-value {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-white);
}

/* ============================================================
   CATEGORIES SECTION
   ============================================================ */
.categories-section {
  padding: var(--space-4xl) 0;
  background: var(--color-light);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.category-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.category-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-blue);
  transform: translateY(-4px);
}

.category-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.category-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.category-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================================
   COURSES SECTION
   ============================================================ */
.courses-section {
  padding: var(--space-4xl) 0;
  background: var(--color-white);
}

.courses-filter {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  padding: 0.45rem 1.2rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--color-light);
  color: var(--text-secondary);
  border: 1.5px solid var(--color-border);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  color: var(--color-dark);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-blue);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-xl);
}

/* Course Card */
.course-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.course-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: transparent;
}

.course-card-banner {
  height: 180px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.course-card-banner .banner-icon {
  font-size: 4rem;
  position: relative;
  z-index: 1;
}

.course-card-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: inherit;
  opacity: 0.85;
}

.course-card-tag {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  z-index: 2;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(6px);
  color: var(--color-white);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.course-card-body {
  padding: var(--space-xl);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.course-card-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  font-family: var(--font-heading);
}

.course-card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.course-card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
  margin-bottom: var(--space-lg);
}

.course-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.course-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.course-card-cta {
  background: var(--gradient-blue);
  color: var(--color-dark);
  padding: 0.55rem 1.3rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(255,214,0,0.25);
}

.course-card:hover .course-card-cta {
  box-shadow: 0 8px 24px rgba(255,214,0,0.4);
}

/* ============================================================
   FEATURES SECTION
   ============================================================ */
.features-section {
  padding: var(--space-4xl) 0;
  background: var(--color-dark);
  position: relative;
  overflow: hidden;
}

.features-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 60% 80% at 0% 50%, rgba(255,214,0,0.2) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 100% 50%, rgba(255,214,0,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
  position: relative;
  z-index: 1;
}

.feature-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition);
}

.feature-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,214,0,0.2);
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--gradient-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-blue);
}

.feature-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-on-dark-muted);
  line-height: 1.7;
}

/* ============================================================
   ABOUT / DIFFERENTIALS SECTION
   ============================================================ */
.about-section {
  padding: var(--space-4xl) 0;
  background: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-image-wrapper {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--gradient-hero);
  min-height: 440px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.about-image-wrapper .about-illustration {
  font-size: 8rem;
  position: relative;
  z-index: 1;
}

.about-badge {
  position: absolute;
  bottom: var(--space-xl);
  left: var(--space-xl);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  z-index: 2;
}

.about-badge-icon { font-size: 1.75rem; }
.about-badge-info .ab-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.about-badge-info .ab-value {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.about-content .section-label { margin-bottom: var(--space-md); }

.check-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.check-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255,214,0,0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.check-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.check-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ============================================================
   TESTIMONIALS SECTION
   ============================================================ */
.testimonials-section {
  padding: var(--space-4xl) 0;
  background: var(--color-light);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.testimonial-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.testimonial-stars {
  color: var(--color-primary);
  font-size: 1rem;
  margin-bottom: var(--space-md);
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  font-style: italic;
  margin-bottom: var(--space-lg);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  font-family: var(--font-heading);
  flex-shrink: 0;
}

.author-info .author-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.author-info .author-course {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ============================================================
   CTA BANNER SECTION
   ============================================================ */
.cta-section {
  padding: var(--space-4xl) 0;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 70% at 50% 50%, rgba(255,214,0,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  color: var(--color-white);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-lg);
  font-weight: 800;
}

.cta-desc {
  color: var(--text-on-dark-muted);
  font-size: 1.1rem;
  margin-bottom: var(--space-2xl);
}

.cta-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-dark);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: var(--space-4xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.footer-brand .footer-logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-blue);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--color-dark);
}

.footer-brand .footer-logo-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--color-white);
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-on-dark-muted);
  line-height: 1.75;
  max-width: 280px;
  margin-bottom: var(--space-lg);
}

.social-links {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition);
  text-decoration: none;
}

.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-on-dark-muted);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.footer-links a:hover {
  color: var(--color-secondary);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.footer-contact-item .ci-icon {
  font-size: 1rem;
  margin-top: 2px;
  flex-shrink: 0;
  color: var(--color-secondary);
}

.footer-contact-item .ci-text {
  font-size: 0.85rem;
  color: var(--text-on-dark-muted);
  line-height: 1.5;
}

.footer-bottom {
  padding: var(--space-xl) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

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

.footer-bottom-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-bottom-links a {
  font-size: 0.8rem;
  color: var(--text-on-dark-muted);
  transition: color var(--transition);
}

.footer-bottom-links a:hover {
  color: var(--color-secondary);
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  background: var(--gradient-hero);
  padding: calc(var(--nav-height) + var(--space-4xl)) 0 var(--space-4xl);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(255,214,0,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.page-hero-content {
  position: relative;
  z-index: 2;
}

.page-hero h1 { color: var(--color-white); margin-bottom: var(--space-md); }
.page-hero p { color: var(--text-on-dark-muted); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.breadcrumb a,
.breadcrumb span {
  font-size: 0.85rem;
  color: var(--text-on-dark-muted);
}

.breadcrumb a:hover { color: var(--color-secondary); }
.breadcrumb .sep { color: rgba(255,255,255,0.3); }
.breadcrumb .current { color: var(--color-secondary); font-weight: 600; }

/* ============================================================
   COURSE DETAIL PAGE
   ============================================================ */
.course-detail {
  padding: var(--space-4xl) 0;
}

.course-detail-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-3xl);
  align-items: flex-start;
}

/* Sticky sidebar */
.course-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-xl));
}

.sidebar-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.sidebar-banner {
  height: 200px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-banner-icon { font-size: 5rem; position: relative; z-index: 1; }

.sidebar-body {
  padding: var(--space-xl);
}

.sidebar-price-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.sidebar-price {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2rem;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.sidebar-enroll-btn {
  display: block;
  width: 100%;
  text-align: center;
  background: var(--gradient-accent);
  color: var(--color-dark);
  padding: 1rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: var(--space-md);
  transition: all var(--transition);
  box-shadow: var(--shadow-accent);
}

.sidebar-enroll-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(255,214,0,0.45);
}

.sidebar-whatsapp-btn {
  display: block;
  width: 100%;
  text-align: center;
  background: #25D366;
  color: var(--color-white);
  padding: 0.85rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: var(--space-xl);
  transition: all var(--transition);
}

.sidebar-whatsapp-btn:hover {
  background: #1ebe5a;
  transform: translateY(-2px);
}

.sidebar-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.sidebar-feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.sidebar-feature-item .sfi-icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Course content tabs */
.course-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--space-2xl);
}

.course-tab {
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
}

.course-tab.active,
.course-tab:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Curriculum accordion */
.curriculum-section {
  margin-bottom: var(--space-2xl);
}

.curriculum-module {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.curriculum-module-header {
  padding: var(--space-md) var(--space-lg);
  background: var(--color-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.curriculum-module-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.curriculum-module-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.curriculum-lessons {
  padding: var(--space-sm) 0;
}

.curriculum-lesson {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-lg);
}

.lesson-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255,214,0,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.lesson-name {
  flex: 1;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.lesson-duration {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Skills / Outcomes */
.outcomes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.outcome-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.outcome-icon {
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.mission-section {
  padding: var(--space-4xl) 0;
  background: var(--color-white);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.mission-card {
  text-align: center;
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.mission-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-blue);
  transform: translateY(-4px);
}

.mission-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-lg);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.mission-card h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.2rem;
}

.team-section {
  padding: var(--space-4xl) 0;
  background: var(--color-light);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.team-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.team-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-heading);
}

.team-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
}

.team-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-section {
  padding: var(--space-4xl) 0;
  background: var(--color-white);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: flex-start;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.ci-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(255,214,0,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.ci-content h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.ci-content p {
  font-size: 0.9rem;
}

/* Contact Form */
.contact-form {
  background: var(--color-light);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1.1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--color-white);
  transition: border-color var(--transition);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255,214,0,0.1);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

/* ============================================================
   COURSES LISTING PAGE
   ============================================================ */
.courses-page {
  padding: var(--space-4xl) 0;
  background: var(--color-light);
}

.courses-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-3xl);
  align-items: flex-start;
}

.courses-sidebar-filter {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-xl));
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.filter-group {
  margin-bottom: var(--space-xl);
}

.filter-group h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.filter-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  cursor: pointer;
  transition: color var(--transition);
}

.filter-option:hover { color: var(--color-primary); }

.filter-option input[type="radio"],
.filter-option input[type="checkbox"] {
  accent-color: var(--color-primary);
}

.filter-option label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-md { gap: var(--space-md); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.bg-dark { background: var(--color-dark); }
.bg-light { background: var(--color-light); }
.bg-white { background: var(--color-white); }

.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-2xl) 0;
}

/* Tag pills */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tag-blue {
  background: rgba(255,214,0,0.1);
  color: var(--color-primary);
}

.tag-cyan {
  background: rgba(255,214,0,0.15);
  color: #B8860B;
}

.tag-orange {
  background: rgba(255,214,0,0.1);
  color: var(--color-accent);
}

.tag-green {
  background: rgba(16,185,129,0.1);
  color: #059669;
}

.tag-purple {
  background: rgba(139,92,246,0.1);
  color: #7C3AED;
}

/* ============================================================
   FLOATING WHATSAPP BUTTON
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff;
  padding: 13px 20px 13px 16px;
  border-radius: var(--radius-full);
  box-shadow: 0 6px 24px rgba(37,211,102,0.45);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.25s ease;
  animation: waBounce 2.5s ease-in-out infinite;
}

.whatsapp-float:hover {
  background: #1ebe5c;
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 10px 32px rgba(37,211,102,0.55);
}

.whatsapp-float svg {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

@keyframes waBounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

@media (max-width: 480px) {
  .whatsapp-float span { display: none; }
  .whatsapp-float { padding: 14px; border-radius: 50%; }
}

/* ============================================================
   DESIGN GRÁFICO PROMO SECTION
   ============================================================ */
.design-promo-section {
  background: var(--color-dark);
  padding: 0;
  overflow: hidden;
}

.design-promo-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 520px;
}

.design-promo-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-4xl) var(--space-3xl) var(--space-4xl) var(--space-3xl);
}

.design-promo-label {
  display: inline-block;
  background: rgba(255,214,0,0.12);
  color: var(--color-primary);
  border: 1px solid rgba(255,214,0,0.3);
  border-radius: var(--radius-full);
  padding: 5px 16px;
  font-size: 0.78rem;
  font-weight: 700;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-lg);
}

.design-promo-tagline {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: rgba(255,255,255,0.75);
  margin-bottom: var(--space-md);
  font-style: italic;
  line-height: 1.5;
}

.design-promo-title {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-xl);
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.design-promo-softwares {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.design-sw-pill {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  font-family: var(--font-heading);
}

.design-promo-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
}

.design-promo-note {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  margin-top: var(--space-md);
}

.design-promo-image {
  position: relative;
  overflow: hidden;
}

.design-promo-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

@media (max-width: 900px) {
  .design-promo-inner {
    grid-template-columns: 1fr;
  }
  .design-promo-image {
    height: 420px;
    order: -1;
  }
  .design-promo-content {
    padding: var(--space-3xl) var(--space-xl);
  }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { display: none; }
  .course-detail-layout { grid-template-columns: 1fr; }
  .course-sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .courses-layout { grid-template-columns: 1fr; }
  .courses-sidebar-filter { position: static; }
  .contact-layout { grid-template-columns: 1fr; }
  .mission-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root {
    --space-4xl: 4rem;
    --space-3xl: 2.5rem;
  }

  .navbar-nav { display: none; }
  .navbar-cta .btn { display: none; }
  .nav-toggle { display: flex; }

  .hero-stats { gap: var(--space-xl); }
  .outcomes-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .mission-grid { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-lg); }
  .hero-cta { flex-direction: column; }
  .cta-actions { flex-direction: column; align-items: center; }
  .hero-stats { flex-wrap: wrap; gap: var(--space-lg); }
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-light); }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary-dark); }