/* EFBTP coming-soon site. Tokens follow docs/DESIGN_GUIDELINES.md. */
:root {
  --dark-page: #0F172A;
  --dark-card: #172033;
  --dark-border: #334155;
  --dark-text: #F8FAFC;
  --dark-muted: #CBD5E1;
  --surface-page: #F5F7FA;
  --surface-card: #FFFFFF;
  --border: #D7E0EA;
  --text-primary: #172033;
  --text-secondary: #526276;
  --brand: #245A8D;
  --brand-hover: #1D4B78;
  --brand-soft: #E7F1FB;
  --brand-icon: #4182D8;   /* app icon blue */
  --focus-ring: #7CB7F2;
  --radius: 14px;
  --font: Inter, Manrope, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--text-primary); background: var(--surface-page); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 3px; border-radius: 6px; }
.container { width: min(1120px, 100% - 48px); margin-inline: auto; }

/* Header */
.site-header { position: absolute; inset: 0 0 auto 0; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand img { width: 140px; height: auto; }
.header-nav { display: flex; align-items: center; gap: 28px; font-size: 15px; }
.header-nav a:not(.btn) { color: var(--dark-muted); text-decoration: none; }
.header-nav a:not(.btn):hover { color: var(--dark-text); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 22px; border-radius: 10px; background: var(--brand-icon); color: #fff; font-weight: 600; font-size: 15px; text-decoration: none; border: 1px solid transparent; transition: background .15s, border-color .15s, transform .15s; }
.btn:hover { background: #3572C4; transform: translateY(-1px); }
.btn-small { padding: 8px 16px; font-size: 14px; }
.btn-ghost { background: transparent; color: var(--dark-text); border-color: var(--dark-border); }
.btn-ghost:hover { background: rgba(255,255,255,.06); border-color: #475569; }

/* Hero */
.hero { position: relative; overflow: hidden; color: var(--dark-text); padding: 168px 0 112px;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(65,130,216,.35), transparent 60%),
    radial-gradient(700px 420px at -10% 110%, rgba(36,90,141,.35), transparent 60%),
    var(--dark-page); }
.hero-grid { position: absolute; inset: 0; opacity: .35; pointer-events: none;
  background-image: linear-gradient(rgba(148,163,184,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(148,163,184,.12) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 60% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 60% 30%, #000 20%, transparent 75%); }
.hero-inner { position: relative; max-width: 860px; margin-left: max(24px, calc((100% - 1120px) / 2)); }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 24px; padding: 6px 14px; border: 1px solid var(--dark-border); border-radius: 999px; font-size: 13px; font-weight: 600; letter-spacing: .04em; color: var(--dark-muted); background: rgba(23,32,51,.6); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand-icon); box-shadow: 0 0 0 4px rgba(65,130,216,.25); }
h1 { margin: 0; font-size: clamp(40px, 6.4vw, 72px); line-height: 1.04; letter-spacing: -.03em; font-weight: 750; }
.accent { background: linear-gradient(90deg, #7CB7F2, var(--brand-icon)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { max-width: 640px; margin: 24px 0 36px; font-size: clamp(17px, 2vw, 20px); color: var(--dark-muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 40px; margin: 56px 0 0; padding-top: 28px; border-top: 1px solid var(--dark-border); }
.hero-meta dt { font-size: 12px; font-weight: 650; letter-spacing: .1em; text-transform: uppercase; color: #94A3B8; }
.hero-meta dd { margin: 4px 0 0; font-weight: 600; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--surface-card); border-block: 1px solid var(--border); }
.section-label { margin: 0 0 10px; font-size: 12px; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; color: var(--brand); }
h2 { margin: 0; max-width: 720px; font-size: clamp(28px, 3.6vw, 40px); line-height: 1.15; letter-spacing: -.02em; }
.section-lead { max-width: 680px; margin: 16px 0 0; font-size: 17px; color: var(--text-secondary); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.card { background: var(--surface-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: border-color .15s, box-shadow .15s; }
.card:hover { border-color: #B9C7D6; box-shadow: 0 8px 24px rgba(23,32,51,.06); }
.card h3 { margin: 18px 0 8px; font-size: 18px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--text-secondary); font-size: 15px; }
.card-icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 10px; background: var(--brand-soft); }
.card-icon svg { width: 24px; height: 24px; fill: none; stroke: var(--brand); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.principles { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.principle-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.principle-list li { padding: 18px 20px 18px 52px; position: relative; border: 1px solid var(--border); border-radius: 12px; background: #F8FAFC; color: var(--text-secondary); }
.principle-list li::before { content: ""; position: absolute; left: 20px; top: 24px; width: 14px; height: 14px; border-radius: 4px; background: var(--brand); }
.principle-list strong { color: var(--text-primary); }

.cta { background: var(--dark-page); color: var(--dark-text); text-align: center; }
.cta-inner { display: flex; flex-direction: column; align-items: center; }
.cta h2 { margin-inline: auto; }
.cta .section-lead { color: var(--dark-muted); margin: 16px auto 32px; }
.badge { margin: 0 0 18px; padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #7CB7F2; border: 1px solid rgba(124,183,242,.4); background: rgba(65,130,216,.12); }

.site-footer { background: var(--dark-page); color: #94A3B8; font-size: 14px; border-top: 1px solid var(--dark-border); }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 28px 0; }

@media (max-width: 900px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .principles { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 600px) {
  .container { width: calc(100% - 40px); }
  .header-nav a:not(.btn) { display: none; }
  .brand img { width: 116px; }
  .hero { padding: 128px 0 80px; }
  .hero-inner { margin-left: 20px; margin-right: 20px; }
  .hero-actions .btn { width: 100%; }
  .hero-meta { gap: 24px; }
  .cards { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn, .card { transition: none; } }
.hero-full { min-height: 100vh; }
