/* Simexa — promotion terms site
   Neutral Simexa design. Accent is intentionally NOT an AT&T brand color.
   To match Simexa brand guidelines, change the custom properties below. */

:root {
  --accent: #0f766e;        /* Simexa accent (teal) */
  --accent-dark: #0b5b54;   /* links, buttons — 6:1 on white */
  --accent-darker: #084a44;
  --ink: #1b2733;           /* primary text */
  --body: #2a3644;          /* long-form legal text */
  --muted: #4a5568;         /* fine print — 7.5:1 on white */
  --rule: #e2e8f0;
  --bg: #ffffff;
  --bg-tint: #f5faf9;
}

* { box-sizing: border-box; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Accessibility */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10;
  background: var(--accent-darker);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}
.brand .dot { color: var(--accent); }
.lang-link {
  display: inline-block;
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 7px 16px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent-dark);
  text-decoration: none;
}
.lang-link:hover {
  background: var(--bg-tint);
  border-color: var(--accent-dark);
}

/* Hero */
.hero { padding: 44px 0 36px; }
.eyebrow {
  margin: 0 0 6px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent-dark);
}
.eyebrow .sm {
  font-size: 0.55em;
  vertical-align: super;
  letter-spacing: 0.03em;
}
h1 {
  margin: 0 0 0.45em;
  font-size: clamp(2rem, 5.5vw, 2.9rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.net-note {
  margin: 0 0 8px;
  max-width: 58ch;
  font-size: 1.05rem;
  color: var(--body);
}
.qualifier {
  margin: 18px 0 22px;
  padding: 14px 18px;
  background: var(--bg-tint);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
}
.qualifier p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--muted);
}
.cta-row { margin: 0; }
.cta {
  display: inline-block;
  background: var(--accent-dark);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: 8px;
}
.cta:hover { background: var(--accent-darker); }

/* Terms */
.terms {
  border-top: 1px solid var(--rule);
  padding: 38px 0 10px;
  scroll-margin-top: 16px;
}
.terms h2 {
  margin: 0 0 0.7em;
  font-size: 1.65rem;
  letter-spacing: -0.01em;
}
.legal p {
  margin: 0 0 1.05em;
  font-size: 0.95rem;
  color: var(--body);
}
.legal strong { color: var(--ink); }
.legal a,
.qualifier a {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
  overflow-wrap: anywhere;
}
.legal a:hover,
.qualifier a:hover { color: var(--accent-darker); }
sup {
  font-size: 0.65em;
  line-height: 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
  margin-top: 26px;
  padding: 26px 0 44px;
  background: var(--bg);
}
.disclosure {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--muted);
}
.copyright {
  margin: 14px 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

/* 404 */
.notfound {
  padding: 70px 0 90px;
  text-align: left;
}
.notfound h1 { font-size: clamp(1.8rem, 5vw, 2.4rem); }
.notfound p { max-width: 58ch; }
.notfound a { color: var(--accent-dark); }
.notfound .lang-block { margin-top: 1.6em; }

/* Small screens */
@media (max-width: 480px) {
  .hero { padding: 32px 0 28px; }
  .container { padding: 0 16px; }
  .cta { display: block; text-align: center; }
}

/* Print */
@media print {
  .skip-link, .lang-link, .cta-row { display: none; }
  .qualifier { border: 1px solid #999; background: none; }
  body { color: #000; }
  .legal p, .disclosure { color: #000; }
  .legal a { color: #000; text-decoration: none; }
  .legal a::after { content: " (" attr(href) ")"; font-size: 0.85em; }
}