/* ==========================================================================
   Premium Vendorz — Design Tokens
   Display: Space Grotesk | Body: Inter | Data/Code: JetBrains Mono
   ========================================================================== */
:root {
  --pv-blue: #2563EB;
  --pv-blue-dark: #1D4ED8;
  --pv-blue-deep: #1E3A8A;
  --pv-white: #FFFFFF;
  --pv-bg: #F8FAFC;
  --pv-bg-tint: #EFF6FF;
  --pv-accent: #F59E0B;
  --pv-accent-dark: #D97706;
  --pv-ink: #0F172A;
  --pv-ink-soft: #475569;
  --pv-ink-faint: #94A3B8;
  --pv-line: #E2E8F0;

  --pv-radius-sm: 12px;
  --pv-radius: 20px;
  --pv-radius-lg: 28px;

  --pv-shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --pv-shadow: 0 12px 32px rgba(37, 99, 235, 0.12);
  --pv-shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.14);

  --pv-font-display: 'Space Grotesk', sans-serif;
  --pv-font-body: 'Inter', sans-serif;
  --pv-font-mono: 'JetBrains Mono', monospace;

  --pv-container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--pv-font-body);
  color: var(--pv-ink);
  background: var(--pv-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--pv-font-display);
  line-height: 1.15;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; color: var(--pv-ink-soft); line-height: 1.7; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

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

.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--pv-font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pv-blue);
  background: var(--pv-bg-tint);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.eyebrow::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--pv-accent); }

.section-head h2 { font-size: clamp(28px, 4vw, 40px); color: var(--pv-ink); }
.section-head p { font-size: 17px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--pv-font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--pv-blue); color: var(--pv-white); box-shadow: var(--pv-shadow); }
.btn-primary:hover { background: var(--pv-blue-dark); transform: translateY(-2px); box-shadow: 0 16px 36px rgba(37,99,235,.22); }
.btn-outline { background: var(--pv-white); color: var(--pv-ink); border-color: var(--pv-line); }
.btn-outline:hover { border-color: var(--pv-blue); color: var(--pv-blue); transform: translateY(-2px); }
.btn-accent { background: var(--pv-accent); color: var(--pv-ink); }
.btn-accent:hover { background: var(--pv-accent-dark); color: var(--pv-white); transform: translateY(-2px); }
.btn-whatsapp {
  background: var(--pv-ink);
  color: var(--pv-white);
  padding: 10px 20px;
  font-size: 14px;
}
.btn-whatsapp:hover { background: var(--pv-blue); }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 18px; font-size: 13.5px; }

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 252, 0.78);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid rgba(226, 232, 240, .8);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-name { font-family: var(--pv-font-display); font-size: 18px; font-weight: 500; color: var(--pv-ink); }
.brand-name strong { font-weight: 700; color: var(--pv-blue); }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  padding: 9px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--pv-ink-soft);
  transition: background .2s ease, color .2s ease;
}
.main-nav a:hover { color: var(--pv-blue); background: var(--pv-bg-tint); }
.main-nav a.active { color: var(--pv-blue); background: var(--pv-bg-tint); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; flex-direction: column; gap: 4px; background: none; border: none; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--pv-ink); border-radius: 2px; transition: transform .25s ease, opacity .25s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ==========================================================================
   Hero + signature "AI code → live site" panel
   ========================================================================== */
.hero {
  position: relative;
  padding: 90px 0 60px;
  overflow: hidden;
  background:
    radial-gradient(60% 50% at 85% 8%, rgba(245, 158, 11, .12), transparent 70%),
    radial-gradient(60% 60% at 8% 20%, rgba(37, 99, 235, .14), transparent 70%),
    var(--pv-bg);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}
.hero-copy .eyebrow { margin-bottom: 22px; }
.hero-copy h1 {
  font-size: clamp(36px, 5vw, 56px);
  color: var(--pv-ink);
}
.hero-copy h1 .accent { color: var(--pv-blue); }
.hero-copy p.lead { font-size: 18px; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 28px; margin-top: 42px; flex-wrap: wrap; }
.hero-meta div { font-family: var(--pv-font-mono); }
.hero-meta strong { display: block; font-size: 22px; color: var(--pv-ink); font-family: var(--pv-font-display); }
.hero-meta span { font-size: 12.5px; color: var(--pv-ink-faint); text-transform: uppercase; letter-spacing: .05em; }

/* Editor mockup: signature element */
.hero-visual { position: relative; }
.editor-window {
  background: var(--pv-ink);
  border-radius: var(--pv-radius);
  overflow: hidden;
  box-shadow: var(--pv-shadow-lg);
  transform: rotate(-1.2deg);
}
.editor-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(255,255,255,.04);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.editor-titlebar span { width: 11px; height: 11px; border-radius: 50%; }
.editor-titlebar span:nth-child(1) { background: #F87171; }
.editor-titlebar span:nth-child(2) { background: #FBBF24; }
.editor-titlebar span:nth-child(3) { background: #34D399; }
.editor-titlebar .filename { margin-left: 10px; font-family: var(--pv-font-mono); font-size: 12.5px; color: rgba(255,255,255,.45); }
.editor-body {
  padding: 22px 24px 26px;
  font-family: var(--pv-font-mono);
  font-size: 13.5px;
  line-height: 1.9;
  min-height: 230px;
  color: #CBD5E1;
}
.editor-body .tag { color: #60A5FA; }
.editor-body .attr { color: #FBBF24; }
.editor-body .str { color: #34D399; }
.editor-body .comment { color: #64748B; }
.editor-line { white-space: pre; }
.type-cursor { display: inline-block; width: 8px; height: 15px; background: var(--pv-accent); vertical-align: middle; margin-left: 2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.preview-pill {
  position: absolute;
  right: -18px;
  bottom: -22px;
  background: var(--pv-white);
  border: 1px solid var(--pv-line);
  border-radius: var(--pv-radius);
  box-shadow: var(--pv-shadow);
  padding: 16px 18px;
  width: 210px;
  animation: float 5s ease-in-out infinite;
}
.preview-pill .dot-row { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.preview-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--pv-accent); }
.preview-pill strong { font-family: var(--pv-font-display); font-size: 14px; }
.preview-pill p { margin: 4px 0 0; font-size: 12.5px; }

.floating-badge {
  position: absolute;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(8px);
  border: 1px solid var(--pv-line);
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--pv-shadow-sm);
  display: flex;
  align-items: center;
  gap: 8px;
}
.floating-badge.b1 { top: -20px; left: 10px; animation: float 6s ease-in-out infinite; }
.floating-badge.b2 { top: 40%; left: -34px; animation: float 7s ease-in-out infinite 1s; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ==========================================================================
   Feature cards
   ========================================================================== */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feature-card {
  background: var(--pv-white);
  border: 1px solid var(--pv-line);
  border-radius: var(--pv-radius);
  padding: 30px 26px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--pv-shadow); border-color: transparent; }
.feature-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 14px;
  background: var(--pv-bg-tint);
  font-size: 22px;
  margin-bottom: 18px;
}
.feature-card h3 { font-size: 18px; }
.feature-card p { font-size: 14.5px; margin-bottom: 0; }

/* ==========================================================================
   Learning journey timeline
   ========================================================================== */
.journey { display: flex; align-items: stretch; justify-content: space-between; gap: 0; }
.journey-step { flex: 1; text-align: center; position: relative; padding: 0 12px; }
.journey-step .num {
  width: 54px; height: 54px; margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--pv-white);
  border: 2px solid var(--pv-blue);
  color: var(--pv-blue);
  font-family: var(--pv-font-display);
  font-weight: 700;
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 2;
}
.journey-step h4 { font-size: 15.5px; margin-bottom: 4px; }
.journey-step p { font-size: 13px; margin: 0; }
.journey-connector {
  position: absolute; top: 27px; left: 50%; width: 100%; height: 2px;
  background: repeating-linear-gradient(to right, var(--pv-line) 0 8px, transparent 8px 14px);
  z-index: 1;
}
.journey-step:last-child .journey-connector { display: none; }

/* ==========================================================================
   Course cards (home teaser + courses page)
   ========================================================================== */
.course-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.course-card {
  background: var(--pv-white);
  border: 1px solid var(--pv-line);
  border-radius: var(--pv-radius);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.course-card:hover { transform: translateY(-5px); box-shadow: var(--pv-shadow); }
.course-thumb {
  height: 150px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--pv-blue) 0%, var(--pv-blue-deep) 100%);
  color: rgba(255,255,255,.92);
  font-family: var(--pv-font-display);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.02em;
  position: relative;
}
.course-thumb::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 0%, rgba(245,158,11,.35), transparent 60%);
}
.course-body { padding: 26px; }
.badge-row { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.badge {
  font-family: var(--pv-font-mono);
  font-size: 11.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: .02em;
}
.badge-difficulty { background: var(--pv-bg-tint); color: var(--pv-blue); }
.badge-duration { background: #FFFBEB; color: var(--pv-accent-dark); }
.badge-price { background: var(--pv-ink); color: var(--pv-white); }
.course-card h3 { font-size: 19px; }
.course-card p.desc { font-size: 14.5px; }
.course-actions { display: flex; gap: 10px; margin-top: 18px; }

/* Expandable variant on Courses page */
.course-expand {
  background: var(--pv-white);
  border: 1px solid var(--pv-line);
  border-radius: var(--pv-radius);
  margin-bottom: 22px;
  overflow: hidden;
}
.course-expand-head {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 22px 26px;
}
.course-expand-thumb {
  width: 96px; height: 72px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--pv-blue), var(--pv-blue-deep));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-family: var(--pv-font-mono); font-weight: 600; font-size: 12px;
  text-align: center; padding: 6px;
}
.course-expand-info h3 { font-size: 19px; margin-bottom: 6px; }
.course-expand-info .badge-row { margin-bottom: 8px; }
.course-expand-cta { display: flex; flex-direction: column; gap: 10px; align-items: stretch; min-width: 170px; }
.toggle-details {
  background: none; border: none; color: var(--pv-blue); font-weight: 600; font-size: 13.5px;
  display: flex; align-items: center; gap: 6px; padding: 4px 0;
}
.toggle-details svg { transition: transform .25s ease; }
.course-expand.open .toggle-details svg { transform: rotate(180deg); }

.course-expand-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
  border-top: 1px solid var(--pv-line);
}
.course-expand.open .course-expand-body { border-top: 1px solid var(--pv-line); }
.course-expand-body-inner { padding: 26px; display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; }
.course-expand-body-inner h4 { font-size: 14px; text-transform: uppercase; letter-spacing: .04em; color: var(--pv-ink-faint); font-family: var(--pv-font-mono); font-weight: 600; margin-bottom: 14px; }
.learn-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; }
.learn-list li { font-size: 14px; color: var(--pv-ink-soft); display: flex; gap: 8px; align-items: flex-start; }
.learn-list li::before { content: '✓'; color: var(--pv-blue); font-weight: 700; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.tag-list span { background: var(--pv-bg-tint); color: var(--pv-blue); font-size: 12.5px; font-weight: 600; padding: 5px 12px; border-radius: 999px; }

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.testimonial-card {
  background: var(--pv-white);
  border: 1px solid var(--pv-line);
  border-radius: var(--pv-radius);
  padding: 28px;
}
.testimonial-stars { color: var(--pv-accent); font-size: 15px; margin-bottom: 14px; letter-spacing: 2px; }
.testimonial-card p { font-size: 14.5px; font-style: italic; }
.testimonial-person { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--pv-blue), var(--pv-accent));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-family: var(--pv-font-display); font-weight: 700; font-size: 15px;
}
.testimonial-person strong { display: block; font-size: 14.5px; }
.testimonial-person span { font-size: 12.5px; color: var(--pv-ink-faint); }

/* ==========================================================================
   FAQ accordion
   ========================================================================== */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--pv-line); }
.faq-q {
  width: 100%; background: none; border: none; text-align: left;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 4px; font-family: var(--pv-font-display); font-size: 16.5px; font-weight: 600;
  color: var(--pv-ink);
}
.faq-q .icon { flex-shrink: 0; transition: transform .25s ease; color: var(--pv-blue); }
.faq-item.open .faq-q .icon { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a p { padding: 0 4px 22px; font-size: 14.5px; }

/* ==========================================================================
   CTA banner
   ========================================================================== */
.cta-banner {
  background: linear-gradient(120deg, var(--pv-blue-deep) 0%, var(--pv-blue) 55%, var(--pv-blue-dark) 100%);
  border-radius: var(--pv-radius-lg);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(50% 80% at 90% 100%, rgba(245,158,11,.28), transparent 70%);
}
.cta-banner h2 { color: #fff; font-size: clamp(26px, 3.6vw, 36px); position: relative; }
.cta-banner p { color: rgba(255,255,255,.8); position: relative; max-width: 460px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 14px; justify-content: center; margin-top: 26px; position: relative; flex-wrap: wrap; }
.cta-banner .btn-outline { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.3); }
.cta-banner .btn-outline:hover { background: rgba(255,255,255,.16); color: #fff; border-color: #fff; }

/* ==========================================================================
   Page hero (Courses / About / Contact)
   ========================================================================== */
.page-hero { padding: 74px 0 40px; text-align: center; }
.page-hero .eyebrow { display: inline-flex; }
.page-hero h1 { font-size: clamp(32px, 4.6vw, 46px); }
.page-hero p { max-width: 620px; margin: 0 auto; font-size: 17px; }

/* ==========================================================================
   About page
   ========================================================================== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-copy h2 { font-size: clamp(26px, 3.4vw, 34px); }
.about-visual {
  background: var(--pv-white);
  border: 1px solid var(--pv-line);
  border-radius: var(--pv-radius-lg);
  padding: 34px;
  box-shadow: var(--pv-shadow);
}
.about-visual .quote-mark { font-family: var(--pv-font-display); font-size: 60px; color: var(--pv-blue); line-height: 1; }
.about-visual p { font-size: 17px; color: var(--pv-ink); font-family: var(--pv-font-display); font-weight: 500; line-height: 1.5; }
.about-visual .quote-attr { font-family: var(--pv-font-mono); font-size: 13px; color: var(--pv-ink-faint); margin-top: 18px; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 20px; }
.stat-card {
  text-align: center;
  background: var(--pv-white);
  border: 1px solid var(--pv-line);
  border-radius: var(--pv-radius);
  padding: 28px 16px;
}
.stat-card strong { display: block; font-family: var(--pv-font-display); font-size: 26px; color: var(--pv-blue); }
.stat-card span { font-size: 13px; color: var(--pv-ink-soft); }

.mission-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.mission-card {
  background: var(--pv-white);
  border: 1px solid var(--pv-line);
  border-radius: var(--pv-radius);
  padding: 30px;
}
.mission-card .eyebrow { margin-bottom: 12px; }

/* ==========================================================================
   Contact page
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 44px; align-items: start; }
.contact-panel {
  background: var(--pv-white);
  border: 1px solid var(--pv-line);
  border-radius: var(--pv-radius-lg);
  padding: 34px;
}
.contact-whatsapp-card {
  background: linear-gradient(135deg, #16A34A, #15803D);
  border-radius: var(--pv-radius);
  padding: 28px;
  color: #fff;
  margin-bottom: 22px;
}
.contact-whatsapp-card h3 { color: #fff; font-size: 18px; }
.contact-whatsapp-card p { color: rgba(255,255,255,.85); font-size: 14px; }
.contact-whatsapp-card .btn { background: #fff; color: #15803D; margin-top: 8px; }
.contact-info-row { display: flex; align-items: center; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--pv-line); font-size: 14.5px; }
.contact-info-row:last-child { border-bottom: none; }
.contact-info-row .ic { width: 36px; height: 36px; border-radius: 10px; background: var(--pv-bg-tint); color: var(--pv-blue); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }

.form-panel {
  background: var(--pv-white);
  border: 1px solid var(--pv-line);
  border-radius: var(--pv-radius-lg);
  padding: 36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 13.5px; font-weight: 600; color: var(--pv-ink); }
.form-group input, .form-group textarea {
  border: 1px solid var(--pv-line);
  border-radius: 12px;
  padding: 13px 16px;
  font-family: var(--pv-font-body);
  font-size: 14.5px;
  background: var(--pv-bg);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--pv-blue); box-shadow: 0 0 0 3px rgba(37,99,235,.15); background: #fff;
}
.form-note { font-size: 13px; color: var(--pv-ink-faint); margin-top: 12px; }

.map-placeholder {
  margin-top: 60px;
  height: 280px;
  border-radius: var(--pv-radius-lg);
  border: 1px dashed var(--pv-line);
  background:
    linear-gradient(135deg, rgba(37,99,235,.06), rgba(245,158,11,.06)),
    var(--pv-white);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 10px;
  color: var(--pv-ink-faint);
  font-family: var(--pv-font-mono);
  font-size: 13px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--pv-ink); color: rgba(255,255,255,.7); margin-top: 40px; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding: 64px 24px 48px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 18px; }
.footer-col a { display: block; padding: 6px 0; font-size: 14.5px; color: rgba(255,255,255,.65); transition: color .2s ease; }
.footer-col a:hover { color: var(--pv-accent); }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,.55); margin: 14px 0 18px; max-width: 320px; }
.social-icons { display: flex; gap: 10px; }
.social-icons a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.06); display: flex; align-items: center; justify-content: center; padding: 0; }
.social-icons a:hover { background: var(--pv-blue); color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); }
.footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; font-size: 13px; }
.back-to-top {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,.08); color: #fff; border: none;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s ease, transform .2s ease;
}
.back-to-top:hover { background: var(--pv-blue); transform: translateY(-3px); }

/* ==========================================================================
   Scroll-reveal utility
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .course-grid, .testimonial-grid, .mission-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .journey { flex-direction: column; gap: 28px; align-items: flex-start; }
  .journey-connector { display: none; }
  .journey-step { text-align: left; display: flex; align-items: center; gap: 16px; padding: 0; }
  .journey-step .num { margin: 0; }
  .hero-visual { margin-top: 20px; }
  .course-expand-body-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .main-nav { position: fixed; inset: 76px 0 0 0; background: var(--pv-white); flex-direction: column; padding: 20px; gap: 4px; transform: translateX(100%); transition: transform .3s ease; }
  .main-nav.open { transform: translateX(0); }
  .main-nav a { width: 100%; padding: 14px 18px; font-size: 16px; }
  .nav-toggle { display: flex; }
  .header-actions .btn-whatsapp span { display: none; }
  .btn-whatsapp { padding: 10px; border-radius: 50%; }
  .feature-grid, .course-grid, .testimonial-grid, .mission-grid, .stat-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .course-expand-head { grid-template-columns: 1fr; text-align: left; }
  .course-expand-thumb { width: 70px; height: 56px; }
  .course-expand-cta { flex-direction: row; }
  .learn-list { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .cta-banner { padding: 44px 24px; }
}