/* ===========================================================
   ENEY — site.css
   Tech / electric / motorny design system
   =========================================================== */

:root {
  --bg:           #F7FAFC;
  --bg-soft:      #EEF4F8;
  --text:         #0B0F14;
  --graphite:     #151A21;
  --graphite-2:   #222A34;
  --muted:        #6B7684;
  --border:       #DCE6EF;
  --blue:         #1677FF;
  --blue-light:   #62C7FF;
  --blue-electric:#00AFFF;
  --blue-dark:    #0B3D91;
  --white:        #FFFFFF;
  --error:        #C0625A;

  --font-head: 'Space Grotesk', 'Inter', -apple-system, Segoe UI, sans-serif;
  --font-body: 'Inter', -apple-system, Segoe UI, sans-serif;

  --radius-s: 6px;
  --radius-m: 12px;
  --radius-l: 20px;

  --shadow-card: 0 2px 20px rgba(11,15,20,0.06);
  --shadow-modal: 0 16px 56px rgba(11,15,20,0.22);

  --container: 1180px;
}

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

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 16px;
}
h1 { font-size: clamp(32px, 5.5vw, 56px); line-height: 1.08; }
h2 { font-size: clamp(24px, 3.4vw, 34px); line-height: 1.15; }
h3 { font-size: 20px; }
p { margin: 0 0 16px; color: var(--text); }
.muted { color: var(--muted); }

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

.section { padding: 64px 0; }
.section-alt { background: var(--bg-soft); }
.section-graphite {
  background: var(--graphite);
  color: var(--white);
}
.section-graphite h1, .section-graphite h2, .section-graphite h3, .section-graphite p { color: var(--white); }
.section-graphite .muted { color: #9AA6B2; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}
.section-graphite .eyebrow { color: var(--blue-light); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius-m);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-electric) 100%);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(22,119,255,0.30);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(22,119,255,0.38); }
.btn-accent {
  background: var(--text);
  color: var(--white);
}
.btn-accent:hover { background: var(--blue-dark); }
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.section-graphite .btn-ghost { border-color: #3A4250; color: var(--white); }
.btn-block { width: 100%; }
.btn-lg { padding: 17px 36px; font-size: 16px; }
.btn-sm { padding: 9px 16px; font-size: 13px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247,250,252,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.logo-link { display: flex; align-items: center; }
.logo-mark { display: block; height: 26px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.main-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover, .main-nav a.active { color: var(--text); border-bottom-color: var(--blue); }
.nav-mobile-label { display: none; }

.header-cta .btn { padding: 11px 20px; font-size: 14px; }

@media (max-width: 860px) {
  .main-nav { gap: 14px; }
  .nav-secondary { display: none; }
  .nav-full-label { display: none; }
  .nav-mobile-label { display: inline; }
}

/* ---------- Hero ---------- */
.hero { padding: 88px 0 64px; background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%); }
.hero-wrap { max-width: 760px; }
.hero-sub { font-size: 18px; color: var(--muted); max-width: 600px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }

/* ---------- Section head row ---------- */
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.section-head h2 { margin-bottom: 0; }
.section-head-link { font-weight: 600; color: var(--blue); font-size: 14px; white-space: nowrap; }
.section-head-link:hover { color: var(--blue-dark); }

/* ---------- Grid / cards ---------- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-3 { grid-template-columns: 1fr; } }

.card {
  display: block;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(11,15,20,0.10); border-color: var(--blue-light); }
.card-eyebrow {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13px;
  color: var(--blue-light);
  margin-bottom: 10px;
}
.card-name { margin: 0 0 8px; font-size: 20px; }
.card-tagline { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.card-link { font-weight: 600; color: var(--blue); font-size: 14px; }

/* ---------- Lists ---------- */
.checklist { list-style: none; margin: 0 0 16px; padding: 0; }
.checklist li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  color: var(--text);
}
.checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--blue);
}
.checklist-not li::before { background: var(--muted); border-radius: 50%; }
.checklist-check li::before { background: var(--blue-electric); }
.section-graphite .checklist li { color: var(--white); }

/* ---------- Steps ---------- */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 900px) { .steps-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps-grid { grid-template-columns: 1fr; } }
.step-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: 24px;
}
.step-num {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 28px;
  color: var(--blue-light);
  margin-bottom: 10px;
}
.step-card h3 { margin-bottom: 8px; font-size: 17px; }
.step-card p { font-size: 14px; color: var(--muted); margin-bottom: 0; }

/* ---------- Case columns ---------- */
.case-columns, .two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin: 24px 0; }
@media (max-width: 700px) { .case-columns, .two-col { grid-template-columns: 1fr; } }

.callout {
  background: var(--bg-soft);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius-s);
  padding: 16px 18px;
  font-size: 14px;
  color: var(--graphite-2);
  margin: 18px 0;
}
.section-graphite .callout { background: rgba(255,255,255,0.06); border-left-color: var(--blue-light); color: #DCE6EF; }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 14px; max-width: 760px; }
.faq-item { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-m); padding: 18px 22px; }
.faq-q { font-weight: 600; margin-bottom: 8px; font-family: var(--font-head); }
.faq-a { color: var(--muted); font-size: 15px; margin: 0; }

/* ---------- Final CTA ---------- */
.section-cta-final {
  text-align: center;
  background: linear-gradient(135deg, var(--graphite) 0%, var(--blue-dark) 120%);
  color: var(--white);
}
.section-cta-final h2, .section-cta-final p { color: var(--white); }
.section-cta-final p { max-width: 480px; margin: 0 auto 28px; color: #C9D6E4; }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs { font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--blue); }
.bc-sep { margin: 0 6px; }
.bc-current { color: var(--text); font-weight: 500; }

/* ---------- Article / legal ---------- */
.section-block { margin: 24px 0; }
.legal-note { font-size: 13px; color: var(--muted); margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--border); }
.article-cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0; }

/* ---------- Forms ---------- */
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.field .req { color: var(--error); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  font-family: var(--font-body);
  font-size: 15px;
  background: var(--white);
  color: var(--text);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--blue-light); border-color: var(--blue); }
.field input.err, .field select.err, .field textarea.err { border-color: var(--error); }
.form-note { font-size: 12px; color: var(--muted); margin-top: 10px; }
.form-success {
  display: none;
  background: var(--bg-soft);
  border: 1px solid var(--blue-light);
  border-radius: var(--radius-m);
  padding: 24px;
  font-weight: 500;
  margin-top: 18px;
}
.form-success.show { display: block; }
.contact-block { margin-bottom: 32px; }
.contact-block p { margin-bottom: 8px; }
.contact-block a { color: var(--blue); }
.contact-block a:hover { color: var(--blue-dark); }

/* ---------- Footer ---------- */
.site-footer { background: var(--graphite); color: #C9D6E4; padding: 56px 0 28px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; margin-bottom: 36px; }
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; gap: 24px; } }
.footer-col h4 { color: var(--white); font-size: 14px; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 14px; }
.footer-col a { display: block; color: #9AA6B2; font-size: 14px; margin-bottom: 8px; }
.footer-col a:hover { color: var(--blue-light); }
.footer-tagline { color: var(--blue-light); font-weight: 600; font-size: 14px; }
.footer-bottom { border-top: 1px solid #2A3340; padding-top: 20px; font-size: 12px; color: #6B7684; }

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 100;
  background: var(--graphite); color: var(--white);
  padding: 16px 24px; display: none; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.cookie-banner.show { display: flex; }
.cookie-banner p { margin: 0; font-size: 13px; color: #C9D6E4; }
.cookie-actions { display: flex; gap: 10px; }
.cookie-actions button { padding: 8px 16px; border-radius: var(--radius-s); border: 1px solid #3A4250; background: transparent; color: var(--white); cursor: pointer; font-size: 13px; }
.cookie-actions .accept { background: var(--blue); border-color: var(--blue); }