/* N.E.T Education Academy — Public Website Design System */

:root {
  --pub-primary: #0d9488;
  --pub-primary-dark: #0f766e;
  --pub-primary-light: #14b8a6;
  --pub-secondary: #2563eb;
  --pub-accent: #8b5cf6;
  --pub-bg: #f8fafc;
  --pub-bg-muted: #f1f5f9;
  --pub-surface: #ffffff;
  --pub-text: #0f172a;
  --pub-text-muted: #64748b;
  --pub-border: #e2e8f0;
  --pub-radius: 16px;
  --pub-radius-lg: 24px;
  --pub-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
  --pub-shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.1);
  --pub-gradient: linear-gradient(135deg, #0d9488 0%, #2563eb 55%, #8b5cf6 100%);
  --pub-gradient-soft: linear-gradient(180deg, #f0fdfa 0%, #f8fafc 40%, #fff 100%);
  --pub-font: "Inter", system-ui, sans-serif;
  --pub-display: "Plus Jakarta Sans", "Manrope", sans-serif;
  --pub-nav-h: 72px;
  --pub-transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

.pub-dark {
  --pub-bg: #0b1220;
  --pub-bg-muted: #111827;
  --pub-surface: #1e293b;
  --pub-text: #f8fafc;
  --pub-text-muted: #94a3b8;
  --pub-border: #334155;
  --pub-gradient-soft: linear-gradient(180deg, #0f172a 0%, #0b1220 100%);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--pub-font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--pub-text);
  background: var(--pub-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--pub-primary); text-decoration: none; }
.hidden { display: none !important; }

.pub-container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }
.pub-main--home, .pub-main--page { padding: 0; max-width: none; }

.pub-mesh {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(13, 148, 136, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(37, 99, 235, 0.08), transparent);
}

/* Nav */
.pub-nav {
  position: sticky; top: 0; z-index: 100; height: var(--pub-nav-h);
  background: rgba(255, 255, 255, 0.78); backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent; transition: box-shadow var(--pub-transition), border-color var(--pub-transition);
}
.pub-dark .pub-nav { background: rgba(15, 23, 42, 0.88); }
.pub-nav--scrolled { border-color: var(--pub-border); box-shadow: 0 1px 3px rgba(0,0,0,0.06); }
.pub-nav-inner { display: flex; align-items: center; justify-content: space-between; height: var(--pub-nav-h); gap: 1rem; }
.pub-brand { display: flex; align-items: center; gap: 0.75rem; color: var(--pub-text); font-weight: 700; font-family: var(--pub-display); }
.pub-brand:hover { color: var(--pub-text); }
.pub-brand img { width: 40px; height: 40px; object-fit: contain; border-radius: 10px; }
.pub-brand span { display: none; max-width: 200px; line-height: 1.2; font-size: 0.95rem; }
@media (min-width: 640px) { .pub-brand span { display: inline; } }
.pub-nav-links { display: none; align-items: center; gap: 0.1rem; }
@media (min-width: 1024px) { .pub-nav-links { display: flex; } }
.pub-nav-link {
  padding: 0.5rem 0.8rem; border-radius: 10px; font-size: 0.88rem; font-weight: 500;
  color: var(--pub-text-muted); transition: color var(--pub-transition), background var(--pub-transition);
}
.pub-nav-link:hover, .pub-nav-link.is-active { color: var(--pub-primary); background: rgba(13, 148, 136, 0.08); }
.pub-nav-actions { display: none; align-items: center; gap: 0.5rem; }
@media (min-width: 1024px) { .pub-nav-actions { display: flex; } }
.pub-icon-btn {
  width: 40px; height: 40px; border: none; border-radius: 10px; background: transparent;
  color: var(--pub-text-muted); cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
}
.pub-nav-toggle { display: flex; }
@media (min-width: 1024px) { .pub-nav-toggle { display: none; } }
.pub-nav-mobile { display: none; flex-direction: column; gap: 0.25rem; padding: 0.75rem 0 1rem; border-top: 1px solid var(--pub-border); }
.pub-nav-mobile.is-open { display: flex; }

/* Buttons */
.pub-btn {
  position: relative; overflow: hidden; display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.65rem 1.25rem; border-radius: 12px; font-family: var(--pub-display); font-size: 0.9rem; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; transition: transform var(--pub-transition), box-shadow var(--pub-transition);
}
.pub-btn--primary { background: var(--pub-gradient); color: #fff; box-shadow: 0 4px 14px rgba(13, 148, 136, 0.35); }
.pub-btn--primary:hover { color: #fff; transform: translateY(-1px); }
.pub-btn--outline { background: var(--pub-surface); color: var(--pub-text); border-color: var(--pub-border); }
.pub-btn--outline:hover { border-color: var(--pub-primary); color: var(--pub-primary); }
.pub-btn--ghost { background: transparent; color: var(--pub-text-muted); }
.pub-btn--lg { padding: 0.85rem 1.5rem; font-size: 1rem; }
.pub-btn--sm { padding: 0.45rem 0.9rem; font-size: 0.82rem; }
.pub-ripple {
  position: absolute; border-radius: 50%; background: rgba(255,255,255,0.35);
  transform: scale(0); animation: pubRipple 0.55s ease-out; pointer-events: none;
}
@keyframes pubRipple { to { transform: scale(2.5); opacity: 0; } }

/* Sections */
.pub-section { padding: 5rem 0; }
.pub-section--muted { background: var(--pub-bg-muted); }
.pub-section-head { text-align: center; max-width: 640px; margin: 0 auto 3rem; }
.pub-section-tag {
  display: inline-block; padding: 0.35rem 0.85rem; margin-bottom: 1rem; border-radius: 999px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--pub-primary); background: rgba(13, 148, 136, 0.1); border: 1px solid rgba(13, 148, 136, 0.15);
}
.pub-section-title { font-family: var(--pub-display); font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; line-height: 1.15; margin: 0 0 0.75rem; }
.pub-section-desc { margin: 0; color: var(--pub-text-muted); font-size: 1.05rem; }

/* Hero */
.pub-hero { position: relative; padding: 4rem 0 5rem; background: var(--pub-gradient-soft); overflow: hidden; }
.pub-hero-blob { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.45; pointer-events: none; }
.pub-hero-blob--1 { width: 380px; height: 380px; background: rgba(13,148,136,0.22); top: -80px; right: -60px; }
.pub-hero-blob--2 { width: 280px; height: 280px; background: rgba(37,99,235,0.14); bottom: 0; left: -50px; }
.pub-hero-grid { display: grid; gap: 3rem; align-items: center; }
@media (min-width: 1024px) { .pub-hero-grid { grid-template-columns: 1fr 1fr; } }
.pub-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.4rem 0.9rem; margin-bottom: 1.25rem;
  border-radius: 999px; font-size: 0.82rem; font-weight: 600; background: rgba(255,255,255,0.85);
  border: 1px solid var(--pub-border); color: var(--pub-primary-dark);
}
.pub-hero-title { font-family: var(--pub-display); font-size: clamp(2.25rem, 5.5vw, 3.5rem); font-weight: 800; line-height: 1.08; margin: 0 0 1.25rem; }
.pub-hero-title em { font-style: normal; background: var(--pub-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.pub-hero-lead { font-size: 1.125rem; color: var(--pub-text-muted); margin: 0 0 2rem; max-width: 520px; }
.pub-hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2rem; }
.pub-hero-trust { display: flex; flex-wrap: wrap; gap: 1.25rem; font-size: 0.85rem; color: var(--pub-text-muted); }
.pub-hero-trust strong { color: var(--pub-text); }

/* Mockup */
.pub-mockup-wrap { position: relative; }
.pub-mockup {
  border-radius: 24px; background: rgba(255,255,255,0.55); backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.6); box-shadow: var(--pub-shadow-lg); overflow: hidden;
}
.pub-mockup-bar { display: flex; align-items: center; gap: 0.5rem; padding: 0.85rem 1rem; border-bottom: 1px solid var(--pub-border); }
.pub-mockup-dot { width: 10px; height: 10px; border-radius: 50%; }
.pub-mockup-url { margin-left: auto; font-size: 0.72rem; color: var(--pub-text-muted); }
.pub-mockup-body { display: grid; grid-template-columns: 64px 1fr; min-height: 280px; }
.pub-mockup-side { padding: 1rem 0.5rem; border-right: 1px solid var(--pub-border); display: flex; flex-direction: column; align-items: center; gap: 0.75rem; }
.pub-mockup-side span { width: 28px; height: 28px; border-radius: 8px; background: var(--pub-bg-muted); }
.pub-mockup-side span.active { background: rgba(13,148,136,0.2); }
.pub-mockup-main { padding: 1.25rem; }
.pub-mockup-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 0.65rem; margin-bottom: 1rem; }
.pub-mockup-metric { padding: 0.75rem; border-radius: 12px; background: var(--pub-bg-muted); }
.pub-mockup-metric.accent { background: rgba(13,148,136,0.12); }
.pub-mockup-metric-label { font-size: 0.68rem; color: var(--pub-text-muted); }
.pub-mockup-metric-val { font-family: var(--pub-display); font-weight: 800; font-size: 1.25rem; }
.pub-mockup-chart { height: 56px; display: flex; align-items: flex-end; gap: 4px; margin-bottom: 0.75rem; }
.pub-mockup-chart span { flex: 1; border-radius: 4px 4px 0 0; background: linear-gradient(180deg, var(--pub-primary-light), var(--pub-primary)); }
.pub-mockup-progress-track { height: 8px; border-radius: 999px; background: var(--pub-border); overflow: hidden; }
.pub-mockup-progress-fill { height: 100%; width: 75%; border-radius: 999px; background: var(--pub-gradient); }
.pub-float {
  position: absolute; display: flex; align-items: center; gap: 0.65rem; padding: 0.75rem 1rem;
  border-radius: 14px; background: rgba(255,255,255,0.92); border: 1px solid var(--pub-border);
  box-shadow: var(--pub-shadow); animation: pubFloat 5s ease-in-out infinite;
}
.pub-float--a { top: 12%; right: -8%; }
.pub-float--b { bottom: 18%; left: -6%; animation-delay: 1.5s; }
@media (max-width: 1023px) { .pub-float { display: none; } }
@keyframes pubFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* Stats */
.pub-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: -2.5rem; position: relative; z-index: 2; }
@media (min-width: 768px) { .pub-stats { grid-template-columns: repeat(4, 1fr); } }
.pub-stat {
  display: flex; align-items: center; gap: 1rem; padding: 1.25rem; border-radius: var(--pub-radius);
  background: var(--pub-surface); border: 1px solid var(--pub-border); box-shadow: var(--pub-shadow);
  transition: transform var(--pub-transition);
}
.pub-stat:hover { transform: translateY(-3px); }
.pub-stat-icon { width: 48px; height: 48px; border-radius: 14px; display: flex; align-items: center; justify-content: center; }
.pub-stat-icon--teal { background: rgba(13,148,136,0.12); color: var(--pub-primary); }
.pub-stat-icon--blue { background: rgba(37,99,235,0.12); color: var(--pub-secondary); }
.pub-stat-icon--green { background: rgba(16,185,129,0.12); color: #10b981; }
.pub-stat-icon--amber { background: rgba(245,158,11,0.12); color: #f59e0b; }
.pub-stat-val { font-family: var(--pub-display); font-size: 1.5rem; font-weight: 800; }
.pub-stat-label { font-size: 0.8rem; color: var(--pub-text-muted); }

/* Grids & cards */
.pub-grid-2, .pub-grid-3, .pub-grid-4 { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .pub-grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .pub-grid-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .pub-grid-4 { grid-template-columns: repeat(4, 1fr); } }
.pub-card {
  padding: 1.5rem; border-radius: var(--pub-radius); background: var(--pub-surface);
  border: 1px solid var(--pub-border); transition: transform var(--pub-transition), box-shadow var(--pub-transition);
}
.pub-card:hover { transform: translateY(-4px); box-shadow: var(--pub-shadow); }
.pub-card--highlight { background: linear-gradient(145deg, rgba(13,148,136,0.08), rgba(37,99,235,0.05)); }
.pub-card-icon { width: 48px; height: 48px; border-radius: 14px; margin-bottom: 1rem; display: flex; align-items: center; justify-content: center; background: rgba(13,148,136,0.1); color: var(--pub-primary); }
.pub-card-title { font-family: var(--pub-display); font-size: 1.1rem; font-weight: 700; margin: 0 0 0.5rem; }
.pub-card-desc { margin: 0; font-size: 0.9rem; color: var(--pub-text-muted); }

.pub-uni-grid { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.pub-uni-pill { padding: 0.85rem 1.25rem; border-radius: 12px; background: var(--pub-surface); border: 1px solid var(--pub-border); font-weight: 600; font-size: 0.88rem; }

.pub-why-item { display: flex; gap: 1rem; align-items: flex-start; }
.pub-why-num { font-family: var(--pub-display); font-size: 1.5rem; font-weight: 800; color: var(--pub-primary); opacity: 0.35; flex-shrink: 0; }

.pub-course { padding: 0; overflow: hidden; }
.pub-course-top { padding: 1.25rem; background: linear-gradient(135deg, rgba(13,148,136,0.06), rgba(37,99,235,0.04)); }
.pub-course-inst { font-size: 0.75rem; font-weight: 600; color: var(--pub-primary); text-transform: uppercase; }
.pub-course-name { font-family: var(--pub-display); font-weight: 700; margin: 0.35rem 0 0; }
.pub-course-meta { display: flex; justify-content: space-between; padding: 1rem 1.25rem; font-size: 0.85rem; color: var(--pub-text-muted); }

.pub-step { padding: 1.5rem; text-align: center; }
.pub-step-num { width: 48px; height: 48px; margin: 0 auto 1rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; background: var(--pub-gradient); color: #fff; }
.pub-step-title { font-family: var(--pub-display); font-weight: 700; margin: 0 0 0.5rem; }
.pub-step-desc { margin: 0; font-size: 0.88rem; color: var(--pub-text-muted); }

.pub-testimonial { padding: 1.75rem; border-radius: var(--pub-radius-lg); background: var(--pub-surface); border: 1px solid var(--pub-border); }
.pub-testimonial-text { font-style: italic; color: var(--pub-text-muted); margin: 0 0 1rem; }
.pub-testimonial-author { display: flex; align-items: center; gap: 0.75rem; }
.pub-testimonial-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--pub-gradient); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; }

.pub-faq-item { border: 1px solid var(--pub-border); border-radius: 14px; margin-bottom: 0.75rem; background: var(--pub-surface); }
.pub-faq-q { list-style: none; cursor: pointer; padding: 1.1rem 1.25rem; font-weight: 600; display: flex; justify-content: space-between; align-items: center; }
.pub-faq-q::-webkit-details-marker { display: none; }
.pub-faq-a { padding: 0 1.25rem 1.1rem; color: var(--pub-text-muted); font-size: 0.92rem; }

.pub-cta { padding: 5rem 0; background: var(--pub-gradient); color: #fff; text-align: center; }
.pub-cta-title { font-family: var(--pub-display); font-size: clamp(1.75rem, 4vw, 2.25rem); font-weight: 800; margin: 0 0 0.75rem; }
.pub-cta .pub-btn--outline { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.35); color: #fff; }

.pub-footer { background: #0f172a; color: #94a3b8; padding: 4rem 0 0; }
.pub-footer a { color: #cbd5e1; }
.pub-footer-grid { display: grid; gap: 2rem; margin-bottom: 2.5rem; }
@media (min-width: 768px) { .pub-footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.pub-footer-brand { color: #fff; font-family: var(--pub-display); font-weight: 800; }
.pub-footer h6 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; }
.pub-footer-links { display: flex; flex-direction: column; gap: 0.5rem; }
.pub-footer-bottom { padding: 1.25rem 0; border-top: 1px solid #1e293b; font-size: 0.82rem; text-align: center; }

.pub-page-hero { padding: 3.5rem 0 2.5rem; text-align: center; background: var(--pub-gradient-soft); border-bottom: 1px solid var(--pub-border); }
.pub-page-hero-title { font-family: var(--pub-display); font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 800; margin: 0.5rem 0; }
.pub-page-content { padding: 3rem 0; }

.pub-form-card { max-width: 480px; margin: 0 auto; padding: 2rem; border-radius: var(--pub-radius-lg); background: var(--pub-surface); border: 1px solid var(--pub-border); box-shadow: var(--pub-shadow); }
.pub-form-card--wide { max-width: 720px; }
.pub-field { margin-bottom: 1.1rem; }
.pub-label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.4rem; }
.pub-input, .pub-textarea, .pub-select {
  width: 100%; padding: 0.7rem 0.9rem; border-radius: 12px; border: 1px solid var(--pub-border);
  background: var(--pub-bg); font-size: 0.95rem; color: var(--pub-text);
}
.pub-input:focus { outline: none; border-color: var(--pub-primary); box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15); }
.pub-form-grid--2 { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .pub-form-grid--2 { grid-template-columns: 1fr 1fr; } }

.pub-table-wrap { overflow-x: auto; border-radius: var(--pub-radius); border: 1px solid var(--pub-border); }
.pub-table { width: 100%; border-collapse: collapse; }
.pub-table th { text-align: left; padding: 0.85rem 1rem; background: var(--pub-bg-muted); font-size: 0.78rem; text-transform: uppercase; color: var(--pub-text-muted); }
.pub-table td { padding: 0.85rem 1rem; border-top: 1px solid var(--pub-border); }

.alert-success, .alert-danger, .alert-warning, .alert-info {
  padding: 0.85rem 1rem; border-radius: 12px; margin-bottom: 1rem; font-size: 0.9rem; border: 1px solid;
}
.alert-success { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }
.alert-danger { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.alert-warning { background: #fffbeb; border-color: #fde68a; color: #92400e; }

.pub-login-wrap { min-height: calc(100vh - var(--pub-nav-h) - 120px); display: flex; align-items: center; justify-content: center; padding: 2rem 1rem; }
.pub-banner { background: var(--pub-gradient); color: #fff; font-size: 0.85rem; }
.pub-banner-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.5rem 1.25rem; max-width: 1200px; margin: 0 auto; }
.pub-banner-dismiss { background: none; border: none; color: #fff; font-size: 1.25rem; cursor: pointer; }

[data-pub-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-pub-reveal].is-visible { opacity: 1; transform: translateY(0); }

.pub-contact-card { padding: 1.5rem; border-radius: var(--pub-radius); background: var(--pub-surface); border: 1px solid var(--pub-border); height: 100%; }
.pub-blog-card { overflow: hidden; padding: 0; }
.pub-blog-img { height: 140px; background: var(--pub-gradient); display: flex; align-items: center; justify-content: center; color: #fff; }
.pub-blog-body { padding: 1.25rem; }