/* Baterii Tracțiune CMS — Frontend */
:root {
  --color-primary: #0f2744;
  --color-primary-light: #1a3a5c;
  --color-accent: #f5a623;
  --color-accent-hover: #e09410;
  --color-success: #22c55e;
  --color-error: #ef4444;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-bg: #f8fafc;
  --color-bg-alt: #eef2f7;
  --color-white: #ffffff;
  --color-border: #e2e8f0;
  --font: 'DM Sans', system-ui, -apple-system, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(15, 39, 68, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 39, 68, 0.12);
  --container: 1200px;
  --header-h: 72px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--color-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-accent); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--color-primary);
  box-shadow: var(--shadow);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h);
}
.logo {
  display: flex; align-items: center; gap: 10px;
  color: var(--color-white); font-size: 1.1rem;
}
.logo:hover { color: var(--color-accent); }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text small { font-size: .75rem; opacity: .7; font-weight: 400; }
.logo-icon { color: var(--color-accent); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--color-white); transition: .3s;
}

.main-nav { display: flex; align-items: center; gap: 24px; }
.main-nav ul { display: flex; gap: 20px; list-style: none; }
.main-nav a { color: rgba(255,255,255,.85); font-weight: 500; font-size: .95rem; }
.main-nav a:hover { color: var(--color-accent); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 24px; border-radius: var(--radius-sm);
  font-family: var(--font); font-weight: 600; font-size: .95rem;
  border: 2px solid transparent; cursor: pointer;
  transition: all .2s; text-align: center;
}
.btn-primary { background: var(--color-accent); color: var(--color-primary); border-color: var(--color-accent); }
.btn-primary:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); color: var(--color-primary); }
.btn-outline { background: transparent; color: var(--color-white); border-color: rgba(255,255,255,.4); }
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn-sm { padding: 8px 16px; font-size: .85rem; }
.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-block { width: 100%; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white); padding: 60px 0 80px;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
}
.hero-badge {
  display: inline-block; background: rgba(245,166,35,.15);
  color: var(--color-accent); padding: 6px 14px; border-radius: 20px;
  font-size: .85rem; font-weight: 600; margin-bottom: 16px;
}
.hero h1 { font-size: clamp(2rem, 4vw, 2.75rem); line-height: 1.2; margin-bottom: 16px; }
.hero-lead { font-size: 1.15rem; opacity: .85; margin-bottom: 28px; max-width: 520px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-trust { list-style: none; display: flex; gap: 20px; flex-wrap: wrap; font-size: .9rem; opacity: .7; }
.hero-trust li::before { content: '✓ '; color: var(--color-accent); }

.hero-visual { display: flex; justify-content: center; }
.battery-card {
  width: 280px; height: 140px; background: #1a3a5c;
  border: 3px solid #2a5080; border-radius: 8px;
  display: flex; align-items: center; gap: 8px; padding: 20px;
  position: relative; box-shadow: var(--shadow-lg);
}
.battery-cell { flex: 1; height: 80px; background: linear-gradient(180deg, #f5a623, #d4891a); border-radius: 4px; }
.battery-terminal { width: 12px; height: 30px; background: #94a3b8; border-radius: 2px; position: absolute; right: -8px; top: 50%; transform: translateY(-50%); }

/* Sections */
.section { padding: 64px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-title { font-size: 1.75rem; margin-bottom: 32px; color: var(--color-primary); }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; }
.section-header .section-title { margin-bottom: 0; }
.link-more { font-weight: 600; color: var(--color-accent); }

/* Cards */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.cards-3 { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.cards-2 { grid-template-columns: repeat(auto-fill, minmax(400px, 1fr)); }

.card {
  background: var(--color-white); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.card-link { display: flex; justify-content: space-between; align-items: center; color: inherit; }
.card-link:hover { color: inherit; }
.card h3 { font-size: 1.05rem; margin-bottom: 8px; line-height: 1.4; }
.card h3 a { color: var(--color-primary); }
.card h3 a:hover { color: var(--color-accent); }
.card p { font-size: .9rem; color: var(--color-text-muted); }
.card-arrow { font-size: 1.25rem; color: var(--color-accent); }
.card-tag {
  display: inline-block; font-size: .7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em;
  background: rgba(245,166,35,.15); color: #b45309;
  padding: 3px 8px; border-radius: 4px; margin-bottom: 10px;
}
.card-tag-info { background: rgba(15,39,68,.08); color: var(--color-primary); }

/* CTA Section */
.cta-section { background: var(--color-primary); color: var(--color-white); }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.cta-text h2 { font-size: 1.75rem; margin-bottom: 16px; }
.cta-text p { opacity: .85; margin-bottom: 20px; }
.check-list { list-style: none; }
.check-list li { padding: 6px 0; padding-left: 24px; position: relative; }
.check-list li::before { content: '✓'; position: absolute; left: 0; color: var(--color-accent); font-weight: 700; }

/* Breadcrumbs */
.breadcrumbs { background: var(--color-white); border-bottom: 1px solid var(--color-border); padding: 12px 0; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; font-size: .85rem; }
.breadcrumbs li:not(:last-child)::after { content: '›'; margin-left: 8px; color: var(--color-text-muted); }
.breadcrumbs a { color: var(--color-text-muted); }
.breadcrumbs [aria-current] { color: var(--color-text); font-weight: 500; }

/* Page content */
.page-content { padding: 40px 0 64px; }
.page-header { margin-bottom: 32px; }
.page-header h1 { font-size: clamp(1.75rem, 3vw, 2.25rem); color: var(--color-primary); line-height: 1.25; }
.page-lead { font-size: 1.1rem; color: var(--color-text-muted); margin-top: 12px; max-width: 700px; }

.content-grid { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; }

/* Prose — conținut HTML generat */
.prose { line-height: 1.75; }
.prose h2 { font-size: 1.4rem; color: var(--color-primary); margin: 32px 0 16px; padding-bottom: 8px; border-bottom: 2px solid var(--color-bg-alt); }
.prose h3 { font-size: 1.15rem; margin: 24px 0 12px; }
.prose p { margin-bottom: 16px; }
.prose ul, .prose ol { margin: 16px 0; padding-left: 24px; }
.prose li { margin-bottom: 8px; }
.prose table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: .9rem; }
.prose th, .prose td { border: 1px solid var(--color-border); padding: 10px 14px; text-align: left; }
.prose th { background: var(--color-bg-alt); font-weight: 600; }
.prose details { margin: 16px 0; border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; }
.prose summary { padding: 14px 18px; cursor: pointer; font-weight: 600; background: var(--color-bg-alt); }
.prose details p { padding: 0 18px 14px; }
.prose .cta-block {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: var(--color-white); padding: 28px; border-radius: var(--radius);
  margin: 32px 0; text-align: center;
}
.prose .cta-block .btn-cta {
  display: inline-block; margin-top: 12px; padding: 12px 28px;
  background: var(--color-accent); color: var(--color-primary);
  border-radius: var(--radius-sm); font-weight: 700;
}

/* Sidebar */
.sidebar-box {
  background: var(--color-white); border-radius: var(--radius);
  padding: 24px; margin-bottom: 20px;
  border: 1px solid var(--color-border); box-shadow: var(--shadow);
}
.sidebar-box h4 { font-size: 1rem; margin-bottom: 12px; color: var(--color-primary); }
.sidebar-cta { background: var(--color-primary); color: var(--color-white); border: none; }
.sidebar-cta h4, .sidebar-cta p { color: var(--color-white); }
.sidebar-cta .btn-outline { color: var(--color-white); border-color: rgba(255,255,255,.3); margin-top: 8px; }
.spec-list dt { font-size: .8rem; color: var(--color-text-muted); text-transform: uppercase; margin-top: 8px; }
.spec-list dd { font-weight: 600; }

/* Forms */
.lead-form-wrap {
  background: var(--color-white); border-radius: var(--radius);
  padding: 32px; box-shadow: var(--shadow-lg);
}
.lead-form-wrap h3 { font-size: 1.25rem; color: var(--color-primary); margin-bottom: 4px; }
.form-subtitle { font-size: .9rem; color: var(--color-text-muted); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px; color: var(--color-text); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); font-family: var(--font); font-size: .95rem;
  transition: border-color .2s; background: var(--color-white);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(245,166,35,.15);
}
.form-group small { font-size: .8rem; color: var(--color-text-muted); margin-top: 4px; display: block; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; }
.form-feedback { margin-top: 12px; font-size: .9rem; font-weight: 500; }
.form-feedback.success { color: var(--color-success); }
.form-feedback.error { color: var(--color-error); }

/* Contact / Upload */
.contact-grid, .upload-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding: 48px 0; }
.contact-info { margin-top: 24px; }
.contact-item { margin-bottom: 16px; }
.contact-item strong { display: block; font-size: .8rem; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 4px; }
.steps-list { list-style: none; counter-reset: steps; margin: 24px 0; }
.steps-list li { counter-increment: steps; padding: 12px 0 12px 40px; position: relative; border-bottom: 1px solid var(--color-border); }
.steps-list li::before {
  content: counter(steps); position: absolute; left: 0; top: 12px;
  width: 28px; height: 28px; background: var(--color-accent); color: var(--color-primary);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem;
}

/* Pagination */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 32px; }
.pagination a {
  padding: 8px 14px; border-radius: var(--radius-sm);
  background: var(--color-white); border: 1px solid var(--color-border);
  font-weight: 500;
}
.pagination a.active { background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); }

/* Footer */
.site-footer { background: var(--color-primary); color: rgba(255,255,255,.8); margin-top: auto; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px;
  padding: 48px 0 32px;
}
.footer-grid h4 { color: var(--color-white); font-size: .9rem; margin-bottom: 16px; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: rgba(255,255,255,.7); font-size: .9rem; }
.footer-grid a:hover { color: var(--color-accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; font-size: .85rem; opacity: .6; }

/* Alerts */
.alert { padding: 14px 18px; border-radius: var(--radius-sm); margin: 16px 0; font-weight: 500; }
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }

/* 404 */
.error-page { text-align: center; padding: 100px 0; }
.error-page h1 { font-size: 5rem; color: var(--color-primary); }
.error-page p { font-size: 1.25rem; color: var(--color-text-muted); margin: 16px 0 32px; }

.empty-state { text-align: center; padding: 48px; color: var(--color-text-muted); }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .cta-grid, .content-grid, .contact-grid, .upload-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .cards-2 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    background: var(--color-primary); flex-direction: column;
    padding: 20px; gap: 16px;
    transform: translateY(-120%); opacity: 0;
    transition: .3s; pointer-events: none;
  }
  .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .main-nav ul { flex-direction: column; gap: 12px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .hero { padding: 40px 0 60px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
}