/* Language Coach — clean, professional placeholder theme.
   Text-faithful rebuild of the current site; the visual design will be replaced. */

:root {
  --ink: #0f1e33;
  --body: #33445c;
  --muted: #6b7a90;
  --accent: #1d4ed8;
  --accent-dark: #1743b0;
  --bg: #ffffff;
  --bg-alt: #f4f7fb;
  --line: #e2e8f2;
  --radius: 12px;
  --wrap: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--body);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { color: var(--ink); line-height: 1.2; margin: 0 0 .5em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; width: 100%; }
.narrow { max-width: 760px; }
.narrow-p { max-width: 760px; }
.center { text-align: center; }

/* Header / nav */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--accent); display: inline-flex; }
.brand-name { font-size: 18px; letter-spacing: .01em; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links > a { color: var(--ink); font-weight: 500; }

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent); color: #fff;
  padding: 13px 24px; border-radius: 999px;
  font-weight: 600; font-size: 16px;
  transition: background .18s ease, transform .18s ease;
}
.btn:hover { background: var(--accent-dark); text-decoration: none; transform: translateY(-1px); }
.btn-sm { padding: 9px 18px; font-size: 15px; }
.btn-ghost { background: transparent; color: var(--accent); box-shadow: inset 0 0 0 1.5px var(--accent); }
.btn-ghost:hover { background: rgba(29, 78, 216, .06); }
.btn-on-accent { background: #fff; color: var(--accent); }
.btn-on-accent:hover { background: #eef2ff; }

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.cta-row.center { justify-content: center; }

/* Sections */
.band { padding: 72px 0; border-bottom: 1px solid var(--line); }
.band-alt { background: var(--bg-alt); }
.band p { margin: 0 0 1.1em; }
.band p:last-child { margin-bottom: 0; }
.section-title { font-size: clamp(24px, 3vw, 32px); margin-bottom: .8em; }
.eyebrow {
  text-transform: uppercase; letter-spacing: .16em; font-size: 13px;
  font-weight: 600; color: var(--accent); margin: 0 0 14px;
}
.eyebrow-light { color: rgba(255, 255, 255, .8); }
.emph { color: var(--ink); font-weight: 600; }

/* Hero */
.hero { padding: 96px 0 84px; background: linear-gradient(180deg, #f4f7fb 0%, #ffffff 100%); }
.hero h1 { font-size: clamp(32px, 5vw, 52px); max-width: 900px; letter-spacing: -.01em; }
.hero .lead { font-size: clamp(18px, 2.2vw, 21px); color: var(--muted); max-width: 620px; margin: 20px 0 0; }

/* Cards */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px; box-shadow: 0 1px 2px rgba(15, 30, 51, .04);
}
.card h2 { font-size: 21px; }
.card p { margin: 0; }

/* Split (audyt) */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }

/* Lists */
.checklist { list-style: none; margin: 0; padding: 0; }
.checklist li { position: relative; padding-left: 30px; margin-bottom: 14px; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .5em;
  width: 16px; height: 8px; border-left: 2.5px solid var(--accent);
  border-bottom: 2.5px solid var(--accent); transform: rotate(-45deg);
}
.tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; align-content: start; }
.tags li {
  background: var(--bg); border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 16px; font-size: 15px; color: var(--ink);
}

/* Accent band */
.band-accent { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%); border-bottom: none; }
.band-accent .big-statement {
  color: #fff; font-size: clamp(22px, 3.2vw, 30px); font-weight: 600;
  line-height: 1.35; max-width: 820px; margin: 0 auto 32px;
}

/* Benefits */
.benefits { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin: 40px 0 12px; }
.benefit-col h3 { font-size: 19px; padding-bottom: 12px; border-bottom: 2px solid var(--accent); display: inline-block; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-label { text-transform: uppercase; letter-spacing: .12em; font-size: 12px; font-weight: 600; color: var(--muted); margin: 18px 0 4px; }
.contact-grid p { margin: 0 0 4px; }
.contact address { font-style: normal; line-height: 1.7; color: var(--ink); }

/* Footer */
.site-footer { padding: 28px 0; background: var(--ink); color: #cdd7e6; font-size: 14px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer .muted { color: #7f90a8; }

/* Responsive */
@media (max-width: 760px) {
  .cards, .split, .benefits, .contact-grid { grid-template-columns: 1fr; gap: 24px; }
  .band { padding: 56px 0; }
  .hero { padding: 64px 0 56px; }
  .nav-links { gap: 14px; }
  .nav-links > a:not(.btn) { display: none; }
}