/* TASK-TIER4-ENTERPRISE-TIER-MOCKUP — /enterprise.html landing */
:root {
  --ent-bg: #0B1524;
  --ent-surface: #0F1C30;
  --ent-border: rgba(255,255,255,0.08);
  --ent-text: #E8EEF5;
  --ent-mute: rgba(232,238,245,0.62);
  --ent-primary: #00D4B4;
  --ent-accent: #5B8DEF;
}
* { box-sizing: border-box; }
body {
  background: var(--ent-bg);
  color: var(--ent-text);
  font-family: 'Cairo', system-ui, sans-serif;
  margin: 0;
  line-height: 1.6;
}
.ent-lang {
  position: fixed;
  inset-block-start: 12px; inset-inline-end: 12px;
  background: var(--ent-surface);
  border: 1px solid var(--ent-border);
  color: var(--ent-text);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  min-height: 44px;
  min-width: 52px;
  z-index: 10;
}

.ent-wrap { max-width: 1100px; margin: 0 auto; padding: 64px 20px; }

.ent-hero { text-align: center; margin-block-end: 44px; }
.ent-badge {
  display: inline-block;
  background: rgba(0,212,180,0.12);
  color: var(--ent-primary);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  margin-block-end: 16px;
}
.ent-hero h1 { font-size: clamp(26px, 5vw, 40px); margin: 0 0 14px; line-height: 1.2; }
.ent-sub { font-size: 16px; color: var(--ent-mute); max-width: 720px; margin: 0 auto 22px; }

.ent-cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.ent-cta-primary, .ent-cta-ghost {
  padding: 12px 22px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.ent-cta-primary { background: var(--ent-primary); color: #0B1524; }
.ent-cta-primary:hover { background: #1EE0C0; }
.ent-cta-ghost { background: transparent; color: var(--ent-text); border: 1px solid var(--ent-border); }
.ent-cta-ghost:hover { border-color: var(--ent-primary); }

.ent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-block-end: 48px;
}
.ent-feat {
  background: var(--ent-surface);
  border: 1px solid var(--ent-border);
  border-radius: 12px;
  padding: 22px 20px;
}
.ent-feat-ic { font-size: 28px; margin-block-end: 8px; }
.ent-feat h3 { margin: 0 0 6px; font-size: 16px; }
.ent-feat p { margin: 0; color: var(--ent-mute); font-size: 13.5px; }

.ent-trust { text-align: center; margin-block-end: 48px; }
.ent-trust h2 { font-size: 22px; margin: 0 0 16px; }
.ent-trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: 720px; margin: 0 auto; }
.ent-trust-box {
  background: var(--ent-surface);
  border: 1px dashed var(--ent-border);
  border-radius: 10px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ent-mute);
  font-size: 13px;
}

.ent-contact {
  background: var(--ent-surface);
  border: 1px solid var(--ent-border);
  border-radius: 16px;
  padding: 32px 24px;
  max-width: 720px;
  margin: 0 auto;
}
.ent-contact h2 { margin: 0 0 6px; font-size: 22px; text-align: center; }
.ent-contact > p { text-align: center; color: var(--ent-mute); margin: 0 0 20px; }
.ent-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.ent-form label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--ent-mute); }
.ent-form label span { font-weight: 600; color: var(--ent-text); font-size: 13px; }
.ent-form input,
.ent-form select {
  background: var(--ent-bg);
  border: 1px solid var(--ent-border);
  color: var(--ent-text);
  padding: 10px 12px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  min-height: 44px;
}
.ent-form input:focus,
.ent-form select:focus { outline: 2px solid var(--ent-primary); outline-offset: 1px; }
.ent-form button { grid-column: 1 / -1; margin-block-start: 8px; justify-content: center; }
.ent-form-status { grid-column: 1 / -1; text-align: center; font-size: 13.5px; font-weight: 600; }
.ent-form-status.ok   { color: var(--ent-primary); }
.ent-form-status.err  { color: #FF4D4F; }
.ent-form-status.warn { color: #FFC100; }

@media (max-width: 600px) {
  .ent-form { grid-template-columns: 1fr; }
  .ent-trust-grid { grid-template-columns: 1fr; }
  .ent-wrap { padding: 40px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .ent-cta-primary, .ent-cta-ghost { transition: none !important; }
}