/* =============================================
   BoxAcademy.io — Stylesheet
   Paleta: Azul claro + Dorado (legible / accesible)
   ============================================= */

:root {
  --navy:        #E8F4FD;
  --navy-2:      #D6EAF8;
  --navy-3:      #C3DEFF;
  --navy-card:   #F0F8FF;
  --navy-border: rgba(37,99,235,0.15);

  --gold:        #F5B800;
  --gold-light:  #FFD84D;
  --gold-dark:   #C89000;
  --gold-glow:   rgba(245,184,0,0.15);
  --gold-subtle: rgba(245,184,0,0.07);

  --blue-accent: #2563EB;
  --blue-light:  #60A5FA;

  --text-1: #0D1F3C;
  --text-2: #1E3A5F;
  --text-3: #3A6EA8;

  --green:  #22C55E;
  --yellow: #EAB308;
  --red:    #EF4444;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-card: 0 4px 24px rgba(37,99,235,0.13);
  --shadow-gold: 0 0 24px rgba(245,184,0,0.18);

  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;

  --container: 1200px;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--navy);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, video, iframe { max-width: 100%; }
ul { list-style: none; }

.container, .footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==============================
   TYPOGRAPHY
   ============================== */
.gold-text {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--gold-subtle);
  border: 1px solid rgba(245,184,0,0.25);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-sub {
  color: var(--text-2);
  font-size: 1.05rem;
  max-width: 600px;
  margin-bottom: 2.5rem;
}

/* ==============================
   BUTTONS
   ============================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: #000;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(245,184,0,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(245,184,0,0.45);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--text-1);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 26px;
  border-radius: var(--radius-md);
  border: 1px solid var(--navy-border);
  cursor: pointer;
  transition: var(--transition);
}
.btn-secondary:hover {
  border-color: rgba(245,184,0,0.4);
  color: var(--gold-dark);
  background: var(--gold-subtle);
}

.btn-xl { padding: 16px 36px; font-size: 1.05rem; }

/* ==============================
   NAVBAR
   ============================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  background: rgba(232,244,253,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--navy-border);
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(214,234,248,0.98);
  box-shadow: 0 4px 24px rgba(37,99,235,0.15);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-icon {
  font-size: 1.4rem;
  line-height: 1;
}
.brand-text {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-1);
  letter-spacing: -0.02em;
}
.brand-accent { color: var(--gold); }

.pilas-back-link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-2);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.pilas-back-link:hover {
  color: var(--text-1);
  background: rgba(37,99,235,0.08);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text-1);
  background: rgba(37,99,235,0.08);
}

.nav-link.highlight { color: var(--gold); }
.nav-link.highlight:hover { background: var(--gold-subtle); }

.btn-nav {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: #000;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  margin-left: 8px;
}
.btn-nav:hover { box-shadow: var(--shadow-gold); transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 12px 24px 16px;
  border-top: 1px solid var(--navy-border);
  gap: 4px;
}
.mobile-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-2);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.mobile-menu a:hover { color: var(--text-1); background: rgba(255,255,255,0.06); }
.mobile-menu.open { display: flex; }

/* ==============================
   HERO
   ============================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 24px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.07) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 40%, transparent 80%);
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
}
.glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--gold) 0%, transparent 70%);
  top: -200px; right: -100px;
  opacity: 0.12;
}
.glow-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--blue-accent) 0%, transparent 70%);
  bottom: 100px; left: -100px;
  opacity: 0.15;
}

.hero-content {
  position: relative;
  max-width: 680px;
  margin: 0 auto;
  z-index: 10;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--gold);
  background: var(--gold-subtle);
  border: 1px solid rgba(245,184,0,0.25);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: 0.08em;
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 540px;
}
.hero-sub strong { color: var(--text-1); }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 36px;
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  width: fit-content;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 24px;
}
.stat-num {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--text-3);
  margin-top: 4px;
}
.stat-div {
  width: 1px;
  height: 40px;
  background: var(--navy-border);
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Hero visual floating cards */
.hero-visual {
  position: absolute;
  right: 60px;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  z-index: 5;
}

.visual-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 160px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  animation: float 4s ease-in-out infinite;
}
.vc1 { animation-delay: 0s; }
.vc2 { animation-delay: 1s; }
.vc3 { animation-delay: 2s; }
.vc4 { animation-delay: 3s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.visual-card:hover { border-color: rgba(245,184,0,0.3); box-shadow: var(--shadow-gold); }

.vc-icon { font-size: 1.8rem; }
.vc-title { font-family: var(--font-head); font-weight: 700; font-size: 0.9rem; color: var(--text-1); }
.vc-sub { font-size: 0.75rem; color: var(--text-3); margin-top: 2px; }

/* ==============================
   WHAT IS BOX
   ============================== */
.what-is {
  padding: 80px 0;
  border-top: 1px solid var(--navy-border);
}

.what-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 2rem;
}

.what-text p {
  color: var(--text-2);
  margin-bottom: 16px;
  font-size: 1.05rem;
  line-height: 1.75;
}
.what-text strong { color: var(--text-1); }

.what-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.chip {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-2);
  background: var(--navy-3);
  border: 1px solid var(--navy-border);
  padding: 6px 14px;
  border-radius: 100px;
  transition: var(--transition);
}
.chip:hover { color: var(--gold); border-color: rgba(245,184,0,0.3); }

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--navy-border);
  box-shadow: var(--shadow-card);
}
.video-wrapper iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}
.video-caption {
  text-align: center;
  color: var(--text-3);
  font-size: 0.82rem;
  margin-top: 10px;
}

/* ==============================
   LEVELS
   ============================== */
.levels {
  padding: 80px 0;
  background: var(--navy-2);
}

.levels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 2.5rem;
}

.level-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.level-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.level-beginner:hover { border-color: rgba(34,197,94,0.35); }
.level-intermediate:hover { border-color: rgba(245,184,0,0.45); }
.level-advanced:hover { border-color: rgba(239,68,68,0.35); }

.featured-level {
  border-color: rgba(245,184,0,0.3);
  background: linear-gradient(135deg, var(--navy-card), rgba(245,184,0,0.04));
  box-shadow: 0 0 40px rgba(245,184,0,0.1);
}

.featured-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: #000;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.72rem;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.level-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.level-icon { font-size: 2.5rem; margin-bottom: 12px; }

.level-title {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.level-desc {
  color: var(--text-2);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.level-time {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--gold);
  background: var(--gold-subtle);
  border: 1px solid rgba(245,184,0,0.2);
  padding: 5px 12px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 20px;
}

.level-modules {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.level-modules li a {
  display: block;
  font-size: 0.88rem;
  color: var(--text-2);
  padding: 9px 14px;
  background: rgba(37,99,235,0.05);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.level-modules li a:hover {
  color: var(--text-1);
  background: rgba(37,99,235,0.08);
  border-color: rgba(245,184,0,0.2);
  transform: translateX(4px);
}

.btn-level {
  display: block;
  text-align: center;
  background: var(--navy-3);
  color: var(--text-1);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 13px;
  border-radius: var(--radius-md);
  border: 1px solid var(--navy-border);
  transition: var(--transition);
  margin-top: auto;
}
.level-beginner .btn-level:hover { border-color: var(--green); color: var(--green); }
.level-intermediate .btn-level {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: #000;
  border-color: transparent;
}
.level-intermediate .btn-level:hover { box-shadow: var(--shadow-gold); transform: translateY(-2px); }
.level-advanced .btn-level:hover { border-color: var(--red); color: var(--red); }

/* ==============================
   CERTIFICATION
   ============================== */
.cert-section {
  padding: 80px 0;
  background: var(--navy);
}

.cert-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.cert-content p {
  color: var(--text-2);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 20px;
}

.cert-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.cert-point {
  font-size: 0.95rem;
  color: var(--text-2);
  padding: 8px 0;
  border-bottom: 1px solid var(--navy-border);
}
.cert-point:last-child { border-bottom: none; }

.cert-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.cert-roadmap {
  background: var(--navy-card);
  border: 1px solid rgba(245,184,0,0.2);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.roadmap-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--gold);
  margin-bottom: 24px;
}

.roadmap-steps { display: flex; flex-direction: column; }

.rs {
  display: flex;
  align-items: center;
  gap: 16px;
}

.rs-num {
  width: 36px; height: 36px;
  background: var(--navy-3);
  border: 2px solid var(--navy-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-2);
  flex-shrink: 0;
}
.rs-num.gold {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: #000;
  border-color: transparent;
  font-size: 1rem;
}

.rs-info { display: flex; flex-direction: column; }
.rs-info strong { font-size: 0.95rem; color: var(--text-1); font-weight: 600; }
.rs-info span { font-size: 0.8rem; color: var(--text-3); }

.rs-line {
  width: 2px;
  height: 24px;
  background: var(--navy-border);
  margin-left: 17px;
}

/* ==============================
   VIDEOS
   ============================== */
.videos-section {
  padding: 80px 0;
  background: var(--navy-2);
}

.videos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 2rem;
}

.video-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.video-card:hover { transform: translateY(-4px); border-color: rgba(245,184,0,0.2); box-shadow: var(--shadow-card); }

.video-thumb {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
}
.video-thumb iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
}

.video-info { padding: 20px; }
.video-info h4 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  margin: 8px 0;
}
.video-info p { font-size: 0.85rem; color: var(--text-2); }

.video-level {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.beginner-tag { background: rgba(34,197,94,0.12); color: var(--green); border: 1px solid rgba(34,197,94,0.25); }
.intermediate-tag { background: var(--gold-subtle); color: var(--gold); border: 1px solid rgba(245,184,0,0.25); }
.advanced-tag { background: rgba(239,68,68,0.12); color: var(--red); border: 1px solid rgba(239,68,68,0.25); }

.more-videos { text-align: center; margin-top: 2rem; }

/* ==============================
   INTEGRATIONS
   ============================== */
.integrations {
  padding: 80px 0;
  background: var(--navy);
}

.integrations-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 2rem;
}

.int-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
}
.int-icon { font-size: 1.8rem; }
.int-card:hover { border-color: rgba(245,184,0,0.3); transform: translateY(-3px); color: var(--text-1); }

/* ==============================
   GLOSSARY
   ============================== */
.glossary-preview {
  padding: 80px 0;
  background: var(--navy-2);
}

.glossary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 2rem;
}

.gloss-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition);
}
.gloss-card:hover { border-color: rgba(245,184,0,0.25); }

.gloss-term {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--gold);
  margin-bottom: 8px;
}
.gloss-def { font-size: 0.88rem; color: var(--text-2); line-height: 1.65; }

/* ==============================
   DOWNLOADS
   ============================== */
.downloads-section {
  padding: 80px 0;
  background: var(--navy);
}

.downloads-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 2rem;
}

.dl-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}
.dl-card:hover { transform: translateY(-4px); border-color: rgba(245,184,0,0.3); }

.dl-icon { font-size: 2.2rem; }
.dl-card h4 { font-family: var(--font-head); font-weight: 700; font-size: 0.95rem; color: var(--text-1); }
.dl-card p { font-size: 0.82rem; color: var(--text-2); line-height: 1.55; flex: 1; }

.btn-dl {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--gold);
  background: var(--gold-subtle);
  border: 1px solid rgba(245,184,0,0.25);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  margin-top: 6px;
  width: 100%;
  text-align: center;
}
.btn-dl:hover { background: rgba(245,184,0,0.15); }

/* ==============================
   CTA
   ============================== */
.cta-section {
  padding: 80px 0;
  background: var(--navy-2);
  border-top: 1px solid var(--navy-border);
  border-bottom: 1px solid var(--navy-border);
}

.cta-inner {
  text-align: center;
  max-width: 660px;
  margin: 0 auto;
}

.cta-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold);
  background: var(--gold-subtle);
  border: 1px solid rgba(245,184,0,0.25);
  padding: 5px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.cta-inner h2 {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}
.cta-inner p { color: var(--text-2); font-size: 1.05rem; margin-bottom: 32px; }

.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ==============================
   FOOTER
   ============================== */
.footer {
  padding: 60px 0 32px;
  background: var(--navy);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--navy-border);
  margin-bottom: 28px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-3);
  line-height: 1.6;
  margin-top: 12px;
  max-width: 280px;
}
.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-col h4 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--text-3);
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--gold); }

.footer-bottom {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-3);
}

/* ==============================
   MODULE PAGE STYLES
   ============================== */
.module-hero {
  padding: 140px 24px 60px;
  background: var(--navy-2);
  border-bottom: 1px solid var(--navy-border);
}

.module-hero-inner {
  max-width: var(--container);
  margin: 0 auto;
}

.module-breadcrumb {
  font-size: 0.82rem;
  color: var(--text-3);
  margin-bottom: 16px;
}
.module-breadcrumb a { color: var(--gold); }
.module-breadcrumb a:hover { text-decoration: underline; }

.module-level-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}

/* Level tag color variants */
.tag-principiante { background: rgba(34,197,94,.12); color: #16a34a; }
.tag-intermedio   { background: var(--gold-subtle); color: var(--gold-dark); }
.tag-avanzado     { background: rgba(239,68,68,.1); color: #dc2626; }

.module-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.module-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  color: var(--text-3);
  font-size: 0.85rem;
  margin-bottom: 20px;
}

.module-body {
  max-width: var(--container);
  margin: 0 auto;
  padding: 60px 24px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: start;
}

.module-content h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--text-1);
  margin: 32px 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--navy-border);
  scroll-margin-top: 100px;
}
.module-content h2:first-child { margin-top: 0; }

.module-content p {
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 16px;
  font-size: 1rem;
}

.module-content h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-1);
  margin: 24px 0 10px;
  scroll-margin-top: 100px;
}

.module-content ul, .module-content ol {
  list-style: disc;
  padding-left: 20px;
  color: var(--text-2);
  margin-bottom: 16px;
}
.module-content ol { list-style: decimal; }
.module-content ul li, .module-content ol li { margin-bottom: 8px; line-height: 1.65; }

/* Key-value table used in module content */
.key-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.key-table th {
  background: var(--navy-2);
  color: var(--text-1);
  font-family: var(--font-head);
  font-weight: 700;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 2px solid var(--navy-border);
}
.key-table td {
  padding: 9px 14px;
  color: var(--text-2);
  border-bottom: 1px solid var(--navy-border);
  vertical-align: top;
  line-height: 1.55;
}
.key-table tbody tr:last-child td { border-bottom: none; }
.key-table tbody tr:hover td { background: var(--navy-card); }

/* Concept grid cards */
.concept-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  margin: 20px 0;
}
.concept-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-card);
}
.concept-card .cc-icon { font-size: 1.5rem; margin-bottom: 8px; display: block; }
.concept-card h4 {
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 6px;
}
.concept-card p { font-size: 0.85rem; color: var(--text-3); margin: 0; line-height: 1.5; }

/* Module complete section (always visible, below module-body) */
.module-complete-section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 28px 24px;
  border-top: 1px solid var(--navy-border);
  text-align: center;
}

.info-box {
  background: rgba(37,99,235,0.08);
  border-left: 3px solid var(--blue-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  margin: 20px 0;
  color: var(--text-2);
  font-size: 0.95rem;
}
.info-box strong { color: var(--blue-accent); }

.tip-box {
  background: var(--gold-subtle);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  margin: 20px 0;
  color: var(--text-2);
  font-size: 0.95rem;
}
.tip-box strong { color: var(--gold); }

.module-sidebar {
  position: sticky;
  top: 90px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.sidebar-card h4 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 14px;
  color: var(--gold);
}

.sidebar-links { display: flex; flex-direction: column; gap: 6px; }
.sidebar-links a {
  font-size: 0.85rem;
  color: var(--text-2);
  padding: 8px 12px;
  background: rgba(37,99,235,0.05);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  border: 1px solid transparent;
}
.sidebar-links a:hover { color: var(--gold); border-color: rgba(245,184,0,0.2); background: var(--gold-subtle); }
.sidebar-links a.current { color: var(--gold); background: var(--gold-subtle); border-color: rgba(245,184,0,0.25); }

.progress-complete-btn {
  display: block;
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: #000;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}
.progress-complete-btn:hover { box-shadow: var(--shadow-gold); transform: translateY(-2px); }
.progress-complete-btn.done { background: rgba(34,197,94,0.15); color: var(--green); border: 1px solid rgba(34,197,94,0.3); }

.module-nav {
  display: flex;
  justify-content: space-between;
  padding: 24px;
  border-top: 1px solid var(--navy-border);
  max-width: var(--container);
  margin: 0 auto;
}
.module-nav-btn {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-2);
  padding: 10px 18px;
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.module-nav-btn:hover { color: var(--gold); border-color: rgba(245,184,0,0.3); }

/* ==============================
   QUIZ PAGE
   ============================== */
.quiz-hero {
  padding: 140px 24px 60px;
  text-align: center;
  background: var(--navy-2);
  border-bottom: 1px solid var(--navy-border);
}

.quiz-container {
  max-width: 760px;
  margin: 48px auto;
  padding: 0 24px;
}

.quiz-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  margin-bottom: 24px;
}

.quiz-progress-bar {
  height: 4px;
  background: var(--navy-3);
  border-radius: 4px;
  margin-bottom: 32px;
  overflow: hidden;
}
.quiz-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold));
  border-radius: 4px;
  transition: width 0.5s ease;
}

.quiz-question-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-3);
  margin-bottom: 8px;
}

.quiz-question {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-1);
  line-height: 1.4;
  margin-bottom: 28px;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: rgba(37,99,235,0.05);
  border: 2px solid var(--navy-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.95rem;
  color: var(--text-2);
  text-align: left;
  width: 100%;
  font-family: var(--font-body);
}
.quiz-option:hover { border-color: rgba(245,184,0,0.35); color: var(--text-1); background: var(--gold-subtle); }
.quiz-option.selected { border-color: var(--gold); color: var(--text-1); background: var(--gold-subtle); }
.quiz-option.correct { border-color: var(--green); background: rgba(34,197,94,0.08); color: var(--green); }
.quiz-option.wrong { border-color: var(--red); background: rgba(239,68,68,0.08); color: var(--red); }

.quiz-option-letter {
  width: 32px; height: 32px;
  background: var(--navy-3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.82rem;
  flex-shrink: 0;
}

.quiz-explanation {
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.25);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-top: 16px;
  display: none;
}
.quiz-explanation.show { display: block; }

.quiz-results {
  text-align: center;
  display: none;
  padding: 40px;
}
.quiz-results.show { display: block; }
.quiz-score {
  font-family: var(--font-head);
  font-size: 4rem;
  font-weight: 800;
  margin: 16px 0;
}
.quiz-score-label { font-size: 1.1rem; color: var(--text-2); margin-bottom: 24px; }

/* ==============================
   PROGRESS PAGE
   ============================== */
.progress-dashboard {
  max-width: var(--container);
  margin: 0 auto;
  padding: 120px 24px 60px;
}

.progress-header {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--navy-border);
}

.overall-progress {
  background: var(--navy-card);
  border: 1px solid rgba(245,184,0,0.2);
  border-radius: var(--radius-xl);
  padding: 36px;
  margin-bottom: 40px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}

.overall-progress-bar {
  height: 10px;
  background: var(--navy-3);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 12px;
}
.overall-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold));
  border-radius: 10px;
  transition: width 1s ease;
}

.progress-circle {
  width: 100px; height: 100px;
  position: relative;
}
.progress-circle svg { transform: rotate(-90deg); }
.progress-circle-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
}
.progress-circle-num { font-size: 1.5rem; font-weight: 800; color: var(--gold); line-height: 1; }
.progress-circle-pct { font-size: 0.7rem; color: var(--text-3); }

.modules-progress-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.module-progress-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-md);
  padding: 20px;
  cursor: pointer;
  transition: var(--transition);
}
.module-progress-card:hover { border-color: rgba(245,184,0,0.25); transform: translateY(-2px); }
.module-progress-card.completed { border-color: rgba(34,197,94,0.3); }

.mpc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.mpc-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-3);
}
.mpc-status {
  font-size: 1rem;
}

.mpc-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-1);
  margin-bottom: 12px;
  line-height: 1.3;
}

.mpc-bar {
  height: 4px;
  background: var(--navy-3);
  border-radius: 4px;
  overflow: hidden;
}
.mpc-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.8s ease;
}
.mpc-fill.green { background: var(--green); }
.mpc-fill.gold { background: linear-gradient(90deg, var(--gold-dark), var(--gold)); }
.mpc-fill.blue { background: var(--blue-accent); }

/* ==============================
   GLOSSARY FULL PAGE
   ============================== */
.glossary-full {
  max-width: var(--container);
  margin: 0 auto;
  padding: 120px 24px 60px;
}

.glossary-search {
  position: relative;
  margin-bottom: 32px;
}
.glossary-search input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-md);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
}
.glossary-search input:focus { border-color: rgba(245,184,0,0.4); }
.glossary-search input::placeholder { color: var(--text-3); }
.glossary-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  pointer-events: none;
}

.glossary-full-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

/* ==============================
   RESPONSIVE
   ============================== */

/* Large tablets / small desktops: ocultar tarjetas flotantes del hero */
@media (max-width: 1100px) {
  .hero-visual { display: none !important; animation: none; }
  .hero-content { max-width: 100%; }
  .hero { padding-top: 130px; }
}

/* Tablets */
@media (max-width: 900px) {
  .nav-links, .btn-nav { display: none; }
  .hamburger { display: flex; }

  .hero { padding-top: 120px; padding-left: 20px; padding-right: 20px; }
  .hero-title { font-size: clamp(2.2rem, 7vw, 3.4rem); }

  .levels-grid { grid-template-columns: 1fr; }
  .videos-grid { grid-template-columns: 1fr; }
  .integrations-grid { grid-template-columns: repeat(2, 1fr); }
  .glossary-grid { grid-template-columns: 1fr 1fr; }
  .downloads-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .what-grid { grid-template-columns: 1fr; }
  .cert-inner { grid-template-columns: 1fr; }
  .module-body { grid-template-columns: 1fr; padding: 40px 20px; }
  .module-sidebar { display: none; }
  .overall-progress { grid-template-columns: 1fr; }
  .modules-progress-grid { grid-template-columns: 1fr 1fr; }
  .glossary-full-grid { grid-template-columns: 1fr; }

  .module-hero { padding: 120px 20px 48px; }
  .module-title { font-size: clamp(1.6rem, 5vw, 2.4rem); }
  .quiz-hero { padding: 120px 20px 48px; }
  .progress-dashboard { padding: 110px 20px 48px; }
  .glossary-full { padding: 110px 20px 48px; }
}

/* Mobile */
@media (max-width: 600px) {
  .hero { padding-top: 110px; padding-left: 16px; padding-right: 16px; }
  .hero-title { font-size: clamp(2rem, 9vw, 3rem); }
  .hero-stats { flex-direction: column; gap: 12px; width: 100%; }
  .stat-div { width: 80%; height: 1px; }
  .hero-cta { flex-direction: column; }
  .cta-buttons { flex-direction: column; align-items: center; }

  .glossary-grid { grid-template-columns: 1fr; }
  .downloads-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .integrations-grid { grid-template-columns: repeat(2, 1fr); }
  .modules-progress-grid { grid-template-columns: 1fr; }
  .quiz-card { padding: 24px 16px; }

  .module-hero { padding: 100px 16px 40px; }
  .module-title { font-size: clamp(1.5rem, 7vw, 2rem); }
  .module-body { padding: 32px 16px; gap: 24px; }
  .module-meta { gap: 10px; font-size: 0.8rem; }
  .module-nav { flex-direction: column; gap: 12px; padding: 20px 16px; }
  .module-nav-btn { text-align: center; }

  .quiz-hero { padding: 100px 16px 40px; }
  .progress-dashboard { padding: 100px 16px 40px; }
  .glossary-full { padding: 100px 16px 40px; }

  .hero-badge { font-size: 0.72rem; padding: 5px 14px; }
  .section-title { font-size: clamp(1.5rem, 6vw, 2rem); }
  .overall-progress { padding: 24px 20px; }
}

/* Extra small (< 400px) */
@media (max-width: 400px) {
  .hero-title { font-size: 1.9rem; }
  .hero-stats { padding: 14px 16px; }
  .stat-num { font-size: 1.5rem; }
  .btn-primary, .btn-secondary { width: 100%; text-align: center; justify-content: center; }
  .integrations-grid { grid-template-columns: 1fr; }
  .quiz-card { padding: 20px 14px; }
}

/* ==============================
   SCROLL ANIMATIONS
   ============================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}