/* ============================================================
   ByteBots — Design System CSS
   bytebots.co | Educación Tecnológica para Jóvenes
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ─── Variables ─────────────────────────────────────────── */
:root {
  --navy:      #0F2044;
  --navy-mid:  #1E3A6E;
  --teal:      #00B4D8;
  --teal-dark: #007E96;
  --orange:    #F7931E;
  --green:     #00B894;
  --red:       #E1353B;
  --white:     #FFFFFF;
  --light-bg:  #F0F4F8;
  --gray:      #64748B;
  --gray-light:#E2E8F0;
  --text:      #1A1A2E;

  --font-head: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius:    12px;
  --radius-lg: 20px;
  --shadow:    0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.14);

  --transition: 0.25s ease;
}

/* ─── Reset ─────────────────────────────────────────────── */
*, *::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);
  background: var(--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; }

/* ─── Container ─────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 24px; }

/* ─── Typography ─────────────────────────────────────────── */
h1,h2,h3,h4,h5 { font-family: var(--font-head); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p  { font-size: 1rem; color: var(--gray); line-height: 1.7; }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  background: rgba(0,180,216,0.1);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-title { color: var(--navy); margin-bottom: 16px; }
.section-sub { font-size: 1.05rem; max-width: 600px; color: var(--gray); }

/* ─── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--teal);
  color: var(--white);
}
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,180,216,0.35); }

.btn-secondary {
  background: var(--orange);
  color: var(--white);
}
.btn-secondary:hover { background: #e07e10; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(247,147,30,0.35); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }

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

.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-lg { padding: 18px 36px; font-size: 1.05rem; }

/* ─── Navbar ─────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: 72px;
  display: flex; align-items: center;
  background: rgba(15,32,68,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.navbar-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
}
.navbar-brand span { color: var(--teal); }
.navbar-logo-icon {
  width: 38px; height: 38px;
  background: var(--teal);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.navbar-nav { display: flex; align-items: center; gap: 32px; }
.navbar-nav a {
  color: rgba(255,255,255,0.8);
  font-weight: 500;
  font-size: 0.92rem;
  transition: var(--transition);
  position: relative;
}
.navbar-nav a:hover, .navbar-nav a.active { color: var(--white); }
.navbar-nav a.active::after {
  content: '';
  position: absolute; bottom: -4px; left: 0; right: 0; height: 2px;
  background: var(--teal); border-radius: 2px;
}
.navbar-cta { display: flex; align-items: center; gap: 12px; }
.navbar-toggle { display: none; background: none; border: none; cursor: pointer; }
.navbar-toggle span {
  display: block; width: 24px; height: 2px; background: var(--white);
  margin: 5px 0; transition: var(--transition); border-radius: 2px;
}

/* ─── Mobile Menu ─────────────────────────────────────────── */
.mobile-menu {
  display: none;
  position: fixed; top: 72px; left: 0; right: 0;
  background: var(--navy);
  padding: 24px;
  border-bottom: 2px solid var(--teal);
  z-index: 999;
}
.mobile-menu.open { display: flex; flex-direction: column; gap: 20px; }
.mobile-menu a {
  color: rgba(255,255,255,0.85);
  font-size: 1rem; font-weight: 500;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-menu a:last-child { border-bottom: none; }

/* ─── Hero ─────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy) 0%, #0d2a5e 60%, #0a1a35 100%);
  display: flex; align-items: center;
  padding-top: 72px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -200px; right: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0,180,216,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute; bottom: -100px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(247,147,30,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
  padding: 100px 0;
  position: relative; z-index: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,180,216,0.15);
  border: 1px solid rgba(0,180,216,0.3);
  border-radius: 100px; padding: 8px 16px;
  font-size: 0.82rem; font-weight: 600; color: var(--teal);
  margin-bottom: 24px;
}
.hero-badge::before {
  content: ''; width: 8px; height: 8px;
  background: var(--teal); border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.hero h1 { color: var(--white); margin-bottom: 24px; }
.hero h1 .accent { color: var(--teal); }
.hero h1 .highlight { color: var(--orange); }
.hero p { font-size: 1.1rem; color: rgba(255,255,255,0.7); margin-bottom: 36px; max-width: 480px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats { display: flex; gap: 32px; }
.hero-stat-num { font-family: var(--font-head); font-size: 1.8rem; font-weight: 800; color: var(--white); }
.hero-stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.5); }

.hero-visual { position: relative; }
.hero-card-main {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(10px);
}
.hero-course-preview {
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius);
  padding: 20px;
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 16px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
.hero-course-preview:hover { background: rgba(255,255,255,0.1); }
.course-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; flex-shrink: 0;
}
.ci-teal { background: rgba(0,180,216,0.2); }
.ci-orange { background: rgba(247,147,30,0.2); }
.ci-green { background: rgba(0,184,148,0.2); }
.course-preview-info { flex: 1; }
.course-preview-title { color: var(--white); font-weight: 600; font-size: 0.9rem; margin-bottom: 4px; }
.course-preview-meta { color: rgba(255,255,255,0.5); font-size: 0.78rem; }
.course-preview-price { color: var(--teal); font-weight: 700; font-size: 0.9rem; }

.floating-badge {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius);
  padding: 12px 16px;
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 8px;
  font-size: 0.82rem; font-weight: 600; color: var(--navy);
  white-space: nowrap;
}
.floating-badge-1 { top: -20px; right: -20px; }
.floating-badge-2 { bottom: -10px; left: -20px; }
.badge-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--green); }

/* ─── Logos Bar ─────────────────────────────────────────── */
.logos-bar {
  background: var(--light-bg);
  padding: 28px 0;
  border-top: 1px solid var(--gray-light);
}
.logos-bar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
.logos-bar-label { color: var(--gray); font-size: 0.82rem; font-weight: 500; white-space: nowrap; }
.logos-items { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; }
.logo-item {
  color: var(--gray);
  font-weight: 700;
  font-size: 0.9rem;
  opacity: 0.6;
  transition: var(--transition);
  display: flex; align-items: center; gap: 6px;
}
.logo-item:hover { opacity: 1; color: var(--navy); }

/* ─── Sections generic ───────────────────────────────────── */
section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header .section-sub { margin: 0 auto; }

/* ─── Benefits ───────────────────────────────────────────── */
.benefits { background: var(--white); }
.benefits-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 28px;
}
.benefit-card {
  background: var(--light-bg);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  border: 2px solid transparent;
  position: relative; overflow: hidden;
}
.benefit-card:hover {
  border-color: var(--teal);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.benefit-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--teal); opacity: 0; transition: var(--transition);
}
.benefit-card:hover::before { opacity: 1; }
.benefit-icon {
  width: 60px; height: 60px;
  background: rgba(0,180,216,0.1);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; margin-bottom: 20px;
}
.benefit-card h3 { color: var(--navy); margin-bottom: 10px; font-size: 1.15rem; }
.benefit-card p { font-size: 0.93rem; }

/* ─── Courses ─────────────────────────────────────────────── */
.courses { background: var(--light-bg); }
.courses-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }

.course-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex; flex-direction: column;
  border: 2px solid transparent;
}
.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--teal);
}
.course-card.featured { border-color: var(--teal); }
.course-thumb {
  height: 200px;
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; position: relative;
}
.thumb-navy  { background: linear-gradient(135deg, var(--navy), var(--navy-mid)); }
.thumb-teal  { background: linear-gradient(135deg, var(--teal-dark), var(--teal)); }
.thumb-orange{ background: linear-gradient(135deg, #c4620a, var(--orange)); }
.thumb-green { background: linear-gradient(135deg, #007a62, var(--green)); }
.thumb-purple{ background: linear-gradient(135deg, #5b21b6, #7c3aed); }

.course-badge {
  position: absolute; top: 16px; right: 16px;
  background: var(--orange);
  color: var(--white);
  font-size: 0.72rem; font-weight: 700;
  padding: 4px 10px; border-radius: 100px;
}
.course-badge.new { background: var(--green); }
.course-badge.hot { background: var(--red); }

.course-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.course-level {
  font-size: 0.75rem; font-weight: 600; color: var(--teal);
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px;
}
.course-body h3 { color: var(--navy); font-size: 1.1rem; margin-bottom: 10px; }
.course-body p { font-size: 0.9rem; margin-bottom: 16px; flex: 1; }
.course-meta {
  display: flex; align-items: center; gap: 16px;
  padding-top: 16px; border-top: 1px solid var(--gray-light);
  margin-bottom: 16px;
}
.course-meta span { font-size: 0.8rem; color: var(--gray); display: flex; align-items: center; gap: 4px; }
.course-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto;
}
.course-price { font-family: var(--font-head); }
.price-usd { font-size: 1.5rem; font-weight: 800; color: var(--navy); }
.price-note { font-size: 0.75rem; color: var(--gray); display: block; }
.course-classroom {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.78rem; color: var(--teal); font-weight: 600;
  margin-bottom: 12px;
  padding: 8px 12px;
  background: rgba(0,180,216,0.08);
  border-radius: 8px;
  border: 1px solid rgba(0,180,216,0.2);
}

/* ─── Process / How it Works ─────────────────────────────── */
.process { background: var(--navy); position: relative; overflow: hidden; }
.process::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(0,180,216,0.1) 0%, transparent 60%);
}
.process .section-label { background: rgba(0,180,216,0.15); }
.process .section-title { color: var(--white); }
.process .section-sub { color: rgba(255,255,255,0.6); }
.process-steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 32px; position: relative; z-index: 1; }
.process-step {
  text-align: center; padding: 32px 20px;
  position: relative;
}
.process-step::after {
  content: '→';
  position: absolute; right: -16px; top: 40px;
  color: rgba(255,255,255,0.2); font-size: 1.5rem;
}
.process-step:last-child::after { display: none; }
.step-num {
  width: 64px; height: 64px;
  background: var(--teal); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 1.4rem; font-weight: 800;
  color: var(--white); margin: 0 auto 20px;
}
.process-step h3 { color: var(--white); font-size: 1.1rem; margin-bottom: 10px; }
.process-step p { color: rgba(255,255,255,0.6); font-size: 0.9rem; }

/* ─── Google Classroom Banner ─────────────────────────────── */
.classroom-banner {
  background: linear-gradient(135deg, #1a7340 0%, #0f5c2e 100%);
  padding: 60px 0;
}
.classroom-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.classroom-icon { font-size: 3rem; margin-bottom: 16px; }
.classroom-banner h2 { color: var(--white); margin-bottom: 12px; }
.classroom-banner p { color: rgba(255,255,255,0.8); margin-bottom: 24px; font-size: 1rem; }
.classroom-features { display: flex; flex-direction: column; gap: 12px; }
.classroom-feature {
  display: flex; align-items: center; gap: 12px;
  color: rgba(255,255,255,0.85); font-size: 0.95rem;
}
.classroom-feature::before { content: '✓'; color: #34d399; font-weight: 700; }
.classroom-visual {
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid rgba(255,255,255,0.15);
}
.classroom-screenshot-mock {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
}
.mock-topbar { display: flex; gap: 6px; margin-bottom: 16px; }
.mock-dot { width: 10px; height: 10px; border-radius: 50%; }
.mock-dot.r { background: #ef4444; }
.mock-dot.y { background: #f59e0b; }
.mock-dot.g { background: #22c55e; }
.mock-content { display: flex; flex-direction: column; gap: 8px; }
.mock-line { height: 10px; background: var(--gray-light); border-radius: 4px; }
.mock-line.short { width: 60%; }
.mock-line.medium { width: 80%; }

/* ─── Testimonials ─────────────────────────────────────────── */
.testimonials { background: var(--white); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.testimonial-card {
  background: var(--light-bg);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute; top: 16px; left: 24px;
  font-size: 5rem; line-height: 1; font-family: Georgia, serif;
  color: var(--teal); opacity: 0.3;
}
.stars { color: #f59e0b; font-size: 1rem; margin-bottom: 16px; }
.testimonial-text { font-size: 0.95rem; color: var(--text); font-style: italic; margin-bottom: 24px; line-height: 1.7; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--teal);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: var(--white); font-size: 1rem;
}
.author-name { font-weight: 600; color: var(--navy); font-size: 0.9rem; }
.author-role { font-size: 0.8rem; color: var(--gray); }

/* ─── CTA Banner ─────────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 100px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(0,180,216,0.15) 0%, transparent 70%);
}
.cta-banner h2 { color: var(--white); margin-bottom: 16px; }
.cta-banner p { color: rgba(255,255,255,0.7); margin-bottom: 36px; font-size: 1.1rem; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ─── Footer ─────────────────────────────────────────────── */
footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 60px; }
.footer-brand { font-family: var(--font-head); font-size: 1.4rem; font-weight: 700; color: var(--white); margin-bottom: 14px; }
.footer-brand span { color: var(--teal); }
.footer-desc { font-size: 0.9rem; margin-bottom: 24px; }
.social-links { display: flex; gap: 12px; }
.social-link {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.08);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; transition: var(--transition);
  color: rgba(255,255,255,0.7);
}
.social-link:hover { background: var(--teal); color: var(--white); }
.footer-heading { color: var(--white); font-weight: 600; font-size: 0.9rem; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.08em; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.9rem; transition: var(--transition); }
.footer-links a:hover { color: var(--teal); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.83rem; flex-wrap: wrap; gap: 12px;
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a:hover { color: var(--teal); }
.footer-badge {
  background: var(--teal);
  color: var(--white);
  font-size: 0.72rem; font-weight: 700;
  padding: 3px 8px; border-radius: 4px;
}

/* ─── Page Header (interior pages) ─────────────────────────── */
.page-header {
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  padding: 140px 0 80px;
  text-align: center;
}
.page-header h1 { color: var(--white); margin-bottom: 16px; }
.page-header p { color: rgba(255,255,255,0.7); font-size: 1.1rem; max-width: 560px; margin: 0 auto; }

/* ─── Blog ─────────────────────────────────────────────────── */
.blog-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; }
.blog-posts { display: flex; flex-direction: column; gap: 32px; }
.blog-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: grid; grid-template-columns: 240px 1fr;
}
.blog-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.blog-thumb {
  height: 100%; min-height: 200px;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
}
.blog-body { padding: 28px; }
.blog-cat {
  display: inline-block;
  background: rgba(0,180,216,0.1);
  color: var(--teal);
  font-size: 0.75rem; font-weight: 700;
  padding: 4px 10px; border-radius: 4px;
  text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.blog-body h3 { color: var(--navy); font-size: 1.15rem; margin-bottom: 10px; }
.blog-body p { font-size: 0.9rem; margin-bottom: 16px; }
.blog-meta { display: flex; gap: 16px; font-size: 0.8rem; color: var(--gray); }

/* Blog sidebar */
.blog-sidebar { display: flex; flex-direction: column; gap: 28px; }
.sidebar-widget {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
}
.sidebar-widget h3 { color: var(--navy); font-size: 1rem; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--gray-light); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  background: var(--light-bg);
  color: var(--gray);
  padding: 6px 12px; border-radius: 100px;
  font-size: 0.8rem; font-weight: 500;
  transition: var(--transition); cursor: pointer;
}
.tag:hover { background: var(--teal); color: var(--white); }

/* ─── Contact ─────────────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 64px; align-items: start; }
.contact-info h2 { color: var(--navy); margin-bottom: 16px; }
.contact-info p { margin-bottom: 32px; }
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; }
.contact-item-icon {
  width: 46px; height: 46px; flex-shrink: 0;
  background: rgba(0,180,216,0.1);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.contact-item-title { font-weight: 600; color: var(--navy); font-size: 0.9rem; margin-bottom: 2px; }
.contact-item-val { font-size: 0.9rem; color: var(--gray); }

.contact-form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.contact-form-card h3 { color: var(--navy); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; font-size: 0.85rem; font-weight: 600;
  color: var(--navy); margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 12px 16px;
  border: 2px solid var(--gray-light);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.93rem; color: var(--text);
  transition: var(--transition);
  background: var(--white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,180,216,0.12);
}
.form-group textarea { min-height: 120px; resize: vertical; }

/* ─── About ─────────────────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-visual {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center; color: var(--white);
}
.about-stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 32px; }
.about-stat { background: rgba(255,255,255,0.08); border-radius: var(--radius); padding: 20px; }
.about-stat-num { font-size: 2rem; font-weight: 800; color: var(--teal); }
.about-stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.6); }
.mission-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.mission-card {
  background: var(--light-bg);
  border-radius: var(--radius);
  padding: 20px;
  border-left: 4px solid var(--teal);
}
.mission-card.orange { border-color: var(--orange); }
.mission-card.green { border-color: var(--green); }
.mission-card h4 { color: var(--navy); font-size: 0.95rem; margin-bottom: 6px; }
.mission-card p { font-size: 0.85rem; }

/* ─── WhatsApp Float ──────────────────────────────────────── */
.whatsapp-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 999;
  width: 56px; height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: var(--transition);
  text-decoration: none;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,0.5); }

/* ─── Utilities ─────────────────────────────────────────── */
.text-center { text-align: center; }
.text-white { color: var(--white); }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .benefits-grid { grid-template-columns: repeat(2,1fr); }
  .courses-grid { grid-template-columns: repeat(2,1fr); }
  .process-steps { grid-template-columns: repeat(2,1fr); }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .classroom-inner { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  section { padding: 72px 0; }
  .navbar-nav, .navbar-cta { display: none; }
  .navbar-toggle { display: flex; flex-direction: column; justify-content: center; }
  .benefits-grid { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .blog-card { grid-template-columns: 1fr; }
  .blog-thumb { min-height: 160px; }
  .form-row { grid-template-columns: 1fr; }
  .about-stat-grid { grid-template-columns: 1fr 1fr; }
  .mission-cards { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .process-steps { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .cta-actions { flex-direction: column; align-items: center; }
}