/*
 * ============================================================
 *  ALGPT ENTERPRISE — Main Stylesheet
 *  /enterprise/css/enterprise.css
 *
 *  Corporate consulting & certification sales page.
 *  Requires: enterprise-tokens.css loaded first.
 * ============================================================
 */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--ent-font);
  font-size: var(--ent-fs-base);
  color: var(--ent-text);
  background: var(--ent-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: var(--ent-cyan-text); text-decoration: none; transition: color var(--ent-transition); }
a:hover { color: var(--ent-cyan-light); }

img { max-width: 100%; height: auto; display: block; }

.container {
  max-width: var(--ent-max-width);
  margin: 0 auto;
  padding: 0 var(--ent-sp-lg);
}

/* ── Navbar ─────────────────────────────────────────────── */
.ent-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: var(--ent-sp-md) 0;
  background: rgba(11, 19, 43, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--ent-border);
  transition: background var(--ent-transition);
}

.ent-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ent-nav-logo {
  display: flex;
  align-items: center;
  gap: var(--ent-sp-sm);
}

.ent-nav-logo img {
  height: 32px;
  width: auto;
}

.ent-nav-logo span {
  font-size: var(--ent-fs-lg);
  font-weight: 700;
  color: var(--ent-text);
  letter-spacing: -0.02em;
}

.ent-nav-logo .enterprise-badge {
  font-size: var(--ent-fs-xs);
  color: var(--ent-cyan-text);
  background: var(--ent-cyan-soft);
  border: 1px solid var(--ent-cyan-border);
  padding: 2px 8px;
  border-radius: var(--ent-radius-full);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.ent-nav-actions {
  display: flex;
  align-items: center;
  gap: var(--ent-sp-md);
}

.ent-lang-select {
  background: var(--ent-surface2);
  border: 1px solid var(--ent-border);
  color: var(--ent-text-dim);
  padding: 6px 12px;
  border-radius: var(--ent-radius);
  font-size: var(--ent-fs-sm);
  cursor: pointer;
}

.ent-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: var(--ent-cyan-gradient);
  color: #000;
  font-weight: 700;
  font-size: var(--ent-fs-sm);
  border-radius: var(--ent-radius-full);
  border: none;
  cursor: pointer;
  transition: transform var(--ent-transition), box-shadow var(--ent-transition);
}

.ent-nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--ent-cyan-glow);
  color: #000;
}

/* ── Hero Section ───────────────────────────────────────── */
.ent-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.ent-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(0, 212, 255, 0.06), transparent),
    radial-gradient(ellipse 50% 50% at 80% 20%, rgba(0, 212, 255, 0.04), transparent);
  pointer-events: none;
}

.ent-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--ent-sp-3xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.ent-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--ent-fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ent-cyan-text);
  margin-bottom: var(--ent-sp-lg);
}

.ent-hero-eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--ent-cyan);
}

.ent-hero h1 {
  font-size: var(--ent-fs-hero);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--ent-text);
  margin-bottom: var(--ent-sp-lg);
}

.ent-hero h1 em {
  font-style: normal;
  color: var(--ent-cyan-text);
}

.ent-hero-sub {
  font-size: var(--ent-fs-xl);
  color: var(--ent-text-dim);
  line-height: 1.5;
  margin-bottom: var(--ent-sp-xl);
  max-width: 540px;
}

.ent-hero-actions {
  display: flex;
  gap: var(--ent-sp-md);
  flex-wrap: wrap;
}

.ent-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--ent-cyan-gradient);
  color: #000;
  font-weight: 700;
  font-size: var(--ent-fs-base);
  border-radius: var(--ent-radius-full);
  border: none;
  cursor: pointer;
  transition: transform var(--ent-transition), box-shadow var(--ent-transition);
}

.ent-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--ent-cyan-glow), 0 8px 30px rgba(0, 212, 255, 0.15);
  color: #000;
}

.ent-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: var(--ent-text);
  font-weight: 600;
  font-size: var(--ent-fs-base);
  border-radius: var(--ent-radius-full);
  border: 1px solid var(--ent-border-light);
  cursor: pointer;
  transition: all var(--ent-transition);
}

.ent-btn-secondary:hover {
  border-color: var(--ent-cyan-border);
  background: var(--ent-cyan-soft);
  color: var(--ent-cyan-text);
}

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

.ent-hero-visual img {
  border-radius: var(--ent-radius-xl);
  box-shadow: 0 0 60px rgba(0, 212, 255, 0.08), 0 0 120px rgba(0, 212, 255, 0.04);
  max-height: 500px;
  object-fit: cover;
}

/* ── Trust Bar ──────────────────────────────────────────── */
.ent-trust {
  padding: var(--ent-sp-2xl) 0;
  border-top: 1px solid var(--ent-border);
  border-bottom: 1px solid var(--ent-border);
}

.ent-trust-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--ent-sp-xl) var(--ent-sp-3xl);
}

.ent-trust-item {
  text-align: center;
}

.ent-trust-value {
  font-size: var(--ent-fs-3xl);
  font-weight: 800;
  color: var(--ent-cyan-text);
  line-height: 1.2;
}

.ent-trust-label {
  font-size: var(--ent-fs-sm);
  color: var(--ent-text-muted);
  margin-top: 4px;
}

/* ── Section Base ───────────────────────────────────────── */
.ent-section {
  padding: var(--ent-sp-3xl) 0;
}

.ent-section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--ent-sp-3xl);
}

.ent-section-eyebrow {
  font-size: var(--ent-fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ent-cyan-text);
  margin-bottom: var(--ent-sp-sm);
}

.ent-section-title {
  font-size: var(--ent-fs-4xl);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--ent-sp-md);
}

.ent-section-desc {
  font-size: var(--ent-fs-lg);
  color: var(--ent-text-dim);
  line-height: 1.6;
}

/* ── Problem Section ────────────────────────────────────── */
.ent-problem {
  background: var(--ent-surface);
}

.ent-problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--ent-sp-xl);
}

.ent-problem-card {
  padding: var(--ent-sp-xl);
  background: var(--ent-card);
  border: 1px solid var(--ent-border);
  border-radius: var(--ent-radius-lg);
  text-align: center;
}

.ent-problem-icon {
  font-size: 2.5rem;
  margin-bottom: var(--ent-sp-md);
}

.ent-problem-card h3 {
  font-size: var(--ent-fs-lg);
  font-weight: 700;
  margin-bottom: var(--ent-sp-sm);
}

.ent-problem-card p {
  color: var(--ent-text-muted);
  font-size: var(--ent-fs-sm);
  line-height: 1.6;
}

/* ── Benefits Section ───────────────────────────────────── */
.ent-benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--ent-sp-xl);
}

.ent-benefit-card {
  padding: var(--ent-sp-xl) var(--ent-sp-lg);
  background: var(--ent-card);
  border: 1px solid var(--ent-border);
  border-radius: var(--ent-radius-lg);
  transition: border-color var(--ent-transition), transform var(--ent-transition);
}

.ent-benefit-card:hover {
  border-color: var(--ent-cyan-border);
  transform: translateY(-4px);
}

.ent-benefit-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ent-cyan-soft);
  border: 1px solid var(--ent-cyan-border);
  border-radius: var(--ent-radius);
  font-size: 1.5rem;
  margin-bottom: var(--ent-sp-md);
}

.ent-benefit-card h3 {
  font-size: var(--ent-fs-lg);
  font-weight: 700;
  margin-bottom: var(--ent-sp-sm);
}

.ent-benefit-card p {
  color: var(--ent-text-dim);
  font-size: var(--ent-fs-sm);
  line-height: 1.6;
}

/* ── Language Warning Banner (Architect's Clause) ───────── */
.ent-lang-warning {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  max-width: 800px;
  margin: 0 auto var(--ent-sp-2xl);
  padding: var(--ent-sp-md) var(--ent-sp-lg);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.30);
  border-left: 3px solid var(--ent-warn);
  border-radius: var(--ent-radius);
  font-size: var(--ent-fs-sm);
  color: var(--ent-warn);
  line-height: 1.6;
}

.ent-lang-warning-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── Packages / Pricing ─────────────────────────────────── */
.ent-packages {
  background: var(--ent-surface);
}

.ent-packages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--ent-sp-xl);
  align-items: stretch;
}

.ent-pkg {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--ent-sp-xl);
  background: var(--ent-card);
  border: 1px solid var(--ent-border);
  border-radius: var(--ent-radius-xl);
  transition: border-color var(--ent-transition), transform var(--ent-transition);
}

.ent-pkg:hover {
  border-color: var(--ent-cyan-border);
  transform: translateY(-4px);
}

.ent-pkg--featured {
  border-color: var(--ent-cyan);
  background: linear-gradient(180deg, rgba(0, 212, 255, 0.04) 0%, var(--ent-card) 40%);
}

.ent-pkg--featured::before {
  content: '';
  position: absolute;
  top: -1px; left: 20%; right: 20%;
  height: 2px;
  background: var(--ent-cyan-gradient);
  border-radius: 0 0 2px 2px;
}

.ent-pkg-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  font-size: var(--ent-fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #000;
  background: var(--ent-cyan-gradient);
  border-radius: var(--ent-radius-full);
  white-space: nowrap;
}

.ent-pkg-tier {
  font-size: var(--ent-fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ent-cyan-text);
  margin-bottom: var(--ent-sp-sm);
}

.ent-pkg-name {
  font-size: var(--ent-fs-2xl);
  font-weight: 800;
  margin-bottom: var(--ent-sp-xs);
}

.ent-pkg-desc {
  font-size: var(--ent-fs-sm);
  color: var(--ent-text-muted);
  margin-bottom: var(--ent-sp-lg);
  line-height: 1.5;
}

.ent-pkg-price {
  margin-bottom: var(--ent-sp-lg);
}

.ent-pkg-price .amount {
  font-size: var(--ent-fs-4xl);
  font-weight: 800;
  color: var(--ent-text);
}

.ent-pkg-price .currency {
  font-size: var(--ent-fs-lg);
  color: var(--ent-text-dim);
  margin-left: 4px;
}

.ent-pkg-price .credits-alt {
  display: block;
  font-size: var(--ent-fs-sm);
  color: var(--ent-text-muted);
  margin-top: 4px;
}

.ent-pkg-hours {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: var(--ent-sp-md);
  background: var(--ent-cyan-soft);
  border: 1px solid var(--ent-cyan-border);
  border-radius: var(--ent-radius);
  margin-bottom: var(--ent-sp-lg);
  font-weight: 700;
  color: var(--ent-cyan-text);
}

.ent-pkg-hours .hours-icon { font-size: 1.25rem; }

.ent-pkg-features {
  list-style: none;
  flex: 1;
  margin-bottom: var(--ent-sp-xl);
}

.ent-pkg-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: var(--ent-fs-sm);
  color: var(--ent-text-dim);
  line-height: 1.5;
}

.ent-pkg-features li::before {
  content: '✓';
  color: var(--ent-cyan-text);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.ent-pkg-features li.premium::before {
  content: '★';
  color: var(--ent-gold-text);
}

.ent-pkg-cta {
  width: 100%;
  padding: 14px;
  font-size: var(--ent-fs-base);
  font-weight: 700;
  text-align: center;
  border-radius: var(--ent-radius);
  border: none;
  cursor: pointer;
  transition: all var(--ent-transition);
}

.ent-pkg-cta--primary {
  background: var(--ent-cyan-gradient);
  color: #000;
}

.ent-pkg-cta--primary:hover {
  box-shadow: var(--ent-cyan-glow);
  transform: translateY(-1px);
}

.ent-pkg-cta--outline {
  background: transparent;
  color: var(--ent-cyan-text);
  border: 1px solid var(--ent-cyan-border);
}

.ent-pkg-cta--outline:hover {
  background: var(--ent-cyan-soft);
  border-color: var(--ent-cyan);
}

/* Scarcity counter */
.ent-scarcity {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: var(--ent-sp-md);
  padding: var(--ent-sp-sm) var(--ent-sp-md);
  background: var(--ent-warn-soft);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--ent-radius);
  font-size: var(--ent-fs-sm);
  font-weight: 600;
  color: var(--ent-warn);
}

.ent-scarcity .pulse {
  width: 8px;
  height: 8px;
  background: var(--ent-warn);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* ── Comparison Table ───────────────────────────────────── */
.ent-comparison {
  margin-top: var(--ent-sp-3xl);
  overflow-x: auto;
}

.ent-comparison table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--ent-fs-sm);
}

.ent-comparison th {
  padding: var(--ent-sp-md);
  text-align: left;
  font-weight: 700;
  color: var(--ent-text);
  border-bottom: 2px solid var(--ent-cyan-border);
  white-space: nowrap;
}

.ent-comparison th.featured {
  color: var(--ent-cyan-text);
}

.ent-comparison td {
  padding: var(--ent-sp-md);
  border-bottom: 1px solid var(--ent-border);
  color: var(--ent-text-dim);
}

.ent-comparison td.feature-name {
  font-weight: 600;
  color: var(--ent-text);
}

.ent-comparison .check { color: var(--ent-cyan-text); font-weight: 700; }
.ent-comparison .cross { color: var(--ent-text-disabled); }

/* ── Justification / Value Section ──────────────────────── */
.ent-value-block {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--ent-sp-2xl);
  background: var(--ent-card);
  border: 1px solid var(--ent-border);
  border-left: 3px solid var(--ent-cyan);
  border-radius: var(--ent-radius-lg);
  font-size: var(--ent-fs-lg);
  color: var(--ent-text-dim);
  line-height: 1.8;
}

.ent-value-block strong {
  color: var(--ent-text);
}

.ent-value-block em {
  color: var(--ent-cyan-text);
  font-style: normal;
  font-weight: 700;
}

/* ── Certificate Preview ────────────────────────────────── */
.ent-cert-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--ent-sp-2xl);
  align-items: center;
}

.ent-cert-image {
  position: relative;
  border-radius: var(--ent-radius-xl);
  overflow: hidden;
  box-shadow: 0 0 40px rgba(212, 175, 55, 0.08);
  border: 1px solid var(--ent-gold);
}

.ent-cert-image img {
  width: 100%;
}

.ent-cert-info h3 {
  font-size: var(--ent-fs-2xl);
  font-weight: 800;
  margin-bottom: var(--ent-sp-md);
}

.ent-cert-info p {
  color: var(--ent-text-dim);
  line-height: 1.7;
  margin-bottom: var(--ent-sp-md);
}

.ent-cert-features {
  list-style: none;
}

.ent-cert-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: var(--ent-fs-sm);
  color: var(--ent-text-dim);
}

.ent-cert-features li::before {
  content: '🏅';
  flex-shrink: 0;
}

/* ── FAQ ────────────────────────────────────────────────── */
.ent-faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.ent-faq-item {
  border-bottom: 1px solid var(--ent-border);
}

.ent-faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--ent-sp-lg) 0;
  background: none;
  border: none;
  color: var(--ent-text);
  font-size: var(--ent-fs-lg);
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: color var(--ent-transition);
}

.ent-faq-q:hover { color: var(--ent-cyan-text); }

.ent-faq-q .arrow {
  transition: transform var(--ent-transition);
  font-size: var(--ent-fs-xl);
  color: var(--ent-text-muted);
}

.ent-faq-item.open .arrow { transform: rotate(180deg); }

.ent-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--ent-text-dim);
  line-height: 1.7;
  font-size: var(--ent-fs-sm);
}

.ent-faq-item.open .ent-faq-a {
  max-height: 500px;
  padding-bottom: var(--ent-sp-lg);
}

/* ── Final CTA ──────────────────────────────────────────── */
.ent-final-cta {
  text-align: center;
  padding: var(--ent-sp-3xl) 0;
  background:
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(0, 212, 255, 0.06), transparent);
}

.ent-final-cta h2 {
  font-size: var(--ent-fs-4xl);
  font-weight: 800;
  margin-bottom: var(--ent-sp-md);
}

.ent-final-cta p {
  font-size: var(--ent-fs-lg);
  color: var(--ent-text-dim);
  max-width: 600px;
  margin: 0 auto var(--ent-sp-xl);
  line-height: 1.6;
}

/* ── Footer ─────────────────────────────────────────────── */
.ent-footer {
  padding: var(--ent-sp-2xl) 0;
  border-top: 1px solid var(--ent-border);
  text-align: center;
}

.ent-footer-brand {
  font-size: var(--ent-fs-sm);
  color: var(--ent-text-muted);
  margin-bottom: var(--ent-sp-sm);
}

.ent-footer-links {
  display: flex;
  justify-content: center;
  gap: var(--ent-sp-lg);
  font-size: var(--ent-fs-sm);
}

.ent-footer-links a {
  color: var(--ent-text-muted);
}

.ent-footer-links a:hover {
  color: var(--ent-cyan-text);
}

/* ── Payment Modal ──────────────────────────────────────── */
.ent-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
}

.ent-modal-overlay.active { display: flex; }

.ent-modal {
  width: 90%;
  max-width: 520px;
  background: var(--ent-surface2);
  border: 1px solid var(--ent-border);
  border-radius: var(--ent-radius-xl);
  overflow: hidden;
  animation: modalIn 0.25s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.ent-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--ent-sp-lg) var(--ent-sp-xl);
  border-bottom: 1px solid var(--ent-border);
}

.ent-modal-header h3 {
  font-size: var(--ent-fs-xl);
  font-weight: 700;
}

.ent-modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ent-surface3);
  border: 1px solid var(--ent-border);
  border-radius: var(--ent-radius);
  color: var(--ent-text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all var(--ent-transition);
}

.ent-modal-close:hover {
  color: var(--ent-text);
  border-color: var(--ent-cyan-border);
}

.ent-modal-body {
  padding: var(--ent-sp-xl);
}

/* Payment Tabs */
.ent-pay-tabs {
  display: flex;
  gap: 2px;
  background: var(--ent-surface);
  border-radius: var(--ent-radius);
  padding: 3px;
  margin-bottom: var(--ent-sp-lg);
}

.ent-pay-tab {
  flex: 1;
  padding: 10px 8px;
  text-align: center;
  font-size: var(--ent-fs-sm);
  font-weight: 600;
  color: var(--ent-text-muted);
  background: none;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--ent-transition);
}

.ent-pay-tab.active {
  background: var(--ent-surface3);
  color: var(--ent-cyan-text);
}

.ent-pay-tab:hover:not(.active) {
  color: var(--ent-text);
}

.ent-pay-panel {
  display: none;
}

.ent-pay-panel.active {
  display: block;
}

.ent-pay-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--ent-sp-md);
  background: var(--ent-surface);
  border-radius: var(--ent-radius);
  margin-bottom: var(--ent-sp-lg);
}

.ent-pay-summary .pkg-name {
  font-weight: 700;
}

.ent-pay-summary .pkg-price {
  font-size: var(--ent-fs-xl);
  font-weight: 800;
  color: var(--ent-cyan-text);
}

.ent-pay-btn {
  width: 100%;
  padding: 14px;
  font-size: var(--ent-fs-base);
  font-weight: 700;
  border-radius: var(--ent-radius);
  border: none;
  cursor: pointer;
  transition: all var(--ent-transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.ent-pay-btn--stripe {
  background: #635bff;
  color: #fff;
}

.ent-pay-btn--stripe:hover { background: #5046e5; }

.ent-pay-btn--paypal {
  background: #ffc439;
  color: #111;
}

.ent-pay-btn--paypal:hover { background: #f0b71e; }

.ent-pay-btn--crypto {
  background: linear-gradient(135deg, #627eea, #3b5ccc);
  color: #fff;
}

.ent-pay-btn--crypto:hover { background: linear-gradient(135deg, #5570d3, #3050bb); }

.ent-pay-btn--credits {
  background: var(--ent-cyan-gradient);
  color: #000;
}

.ent-pay-btn--credits:hover {
  box-shadow: var(--ent-cyan-glow);
}

.ent-credits-balance {
  text-align: center;
  margin-bottom: var(--ent-sp-md);
  padding: var(--ent-sp-md);
  background: var(--ent-surface);
  border-radius: var(--ent-radius);
}

.ent-credits-balance .balance-label {
  font-size: var(--ent-fs-sm);
  color: var(--ent-text-muted);
}

.ent-credits-balance .balance-amount {
  font-size: var(--ent-fs-2xl);
  font-weight: 800;
  color: var(--ent-success);
}

.ent-credits-insufficient {
  color: var(--ent-danger);
  font-size: var(--ent-fs-sm);
  text-align: center;
  padding: var(--ent-sp-sm);
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .ent-hero-grid { grid-template-columns: 1fr; gap: var(--ent-sp-xl); }
  .ent-hero-visual { order: -1; }
  .ent-hero h1 { font-size: var(--ent-fs-4xl); }
  .ent-packages-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .ent-cert-preview { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .ent-problem-grid,
  .ent-benefits-grid { grid-template-columns: 1fr; }
  .ent-hero h1 { font-size: var(--ent-fs-3xl); }
  .ent-section-title { font-size: var(--ent-fs-3xl); }
  .ent-trust-grid { gap: var(--ent-sp-lg); }
}

@media (max-width: 480px) {
  .ent-hero { padding: 100px 0 60px; }
  .ent-hero h1 { font-size: var(--ent-fs-2xl); }
  .ent-hero-actions { flex-direction: column; }
  .ent-nav-cta span { display: none; }
  .ent-section { padding: var(--ent-sp-2xl) 0; }
}