/* Login / landing page — app/index.html */

html, body { height: 100%; }
body {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--paper);
}

.page { flex: 1; display: flex; min-height: 0; }

/* ── Hero: brand/description + sign-in card ── */
.hero-wrap {
  flex: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--sp-7);
  align-items: center;
}

.hero-content { max-width: 560px; }

.brand-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}
.brand-mark { height: 44px; width: auto; display: block; }
.brand-word {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 38px;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.red-rule { height: 3px; width: 40px; background: var(--red); margin-bottom: var(--sp-3); border-radius: 1px; }
.eyebrow {
  font-size: 26px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-2); font-family: var(--font-sans); margin-bottom: var(--sp-3);
}
.hero-title {
  font-family: var(--font-serif); font-weight: 500; font-size: 20px; line-height: 1.25;
  letter-spacing: -0.01em; color: var(--ink); margin: 0 0 var(--sp-3);
}
.hero-desc {
  font-size: var(--body-sm-size); line-height: 1.6; color: var(--ink-2);
  font-family: var(--font-sans); margin: 0 0 var(--sp-4);
}
.hero-points {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: var(--sp-2);
}
.hero-points li {
  position: relative; padding-left: var(--sp-5);
  font-size: var(--body-sm-size); color: var(--ink-2); font-family: var(--font-sans);
}
.hero-points li::before {
  content: ''; position: absolute; left: 0; top: 7px;
  width: 6px; height: 6px; background: var(--red); border-radius: 1px;
}

/* ── Sign-in card ── */
.card {
  width: 100%;
  max-width: 420px;
  justify-self: end;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--sp-7) var(--sp-6) var(--sp-6);
  box-shadow: var(--shadow-md);
}

.btn-microsoft {
  display: flex; align-items: center; justify-content: center; gap: var(--sp-3);
  width: 100%; padding: 12px 20px;
  background: #0078D4; color: #fff;
  border: none; border-radius: var(--r-md);
  font-family: var(--font-sans); font-size: 15px; font-weight: 500;
  cursor: pointer;
  transition: background var(--t-micro) var(--ease-standard), transform var(--t-micro) var(--ease-standard);
}
.btn-microsoft:hover { background: #106EBE; }
.btn-microsoft:active { transform: scale(0.98); }
.btn-microsoft:focus-visible { box-shadow: var(--focus-ring); }
.btn-microsoft:disabled { cursor: not-allowed; opacity: 0.75; }
.ms-logo { flex-shrink: 0; }

.btn-spinner { display: none; animation: spin 0.8s linear infinite; }
.btn-microsoft.is-loading .btn-microsoft-label { opacity: 0.85; }
.btn-microsoft.is-loading .btn-spinner { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

.notice {
  margin-top: var(--sp-5); padding: var(--sp-3) 14px;
  background: var(--info-tint); border-radius: var(--r-sm); border-left: 3px solid var(--info);
  font-size: var(--caption-size); color: var(--info); line-height: 1.5; font-family: var(--font-sans);
}
.ms-status {
  margin-top: var(--sp-3); padding: var(--sp-3) 14px;
  background: var(--high-tint); border-radius: var(--r-sm); border-left: 3px solid var(--high);
  font-size: var(--caption-size); color: var(--high); line-height: 1.5; font-family: var(--font-sans);
}

.divider { border: none; height: 1px; background: var(--line); margin: var(--sp-6) 0; }

.vendor-section { text-align: center; }
.vendor-section p { font-size: var(--caption-size); color: var(--ink-3); margin: 0 0 var(--sp-3); font-family: var(--font-sans); }
.vendor-links { display: flex; gap: var(--sp-2); justify-content: center; flex-wrap: wrap; }

.btn-outline {
  display: inline-flex; align-items: center; gap: 6px; min-height: 40px;
  padding: 8px 16px; background: transparent; color: var(--ink-2);
  border: 1px solid var(--line); border-radius: var(--r-md);
  font-family: var(--font-sans); font-size: var(--body-sm-size); font-weight: 500;
  cursor: pointer; text-decoration: none;
  transition: background var(--t-micro) var(--ease-standard), border-color var(--t-micro) var(--ease-standard);
}
.btn-outline:hover { background: var(--paper-2); border-color: var(--line-strong); }
.btn-outline:focus-visible { box-shadow: var(--focus-ring); }
.btn-outline:active { background: var(--paper-3); }

/* ── Site footer ── */
.site-footer { background: var(--ink); padding: var(--sp-5) var(--sp-6) 0; flex-shrink: 0; }

.footer-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--sp-6);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--line-dark);
}
.footer-mark { height: 24px; width: auto; display: block; margin-bottom: var(--sp-2); }
.footer-company { font-family: var(--font-sans); font-weight: 600; font-size: var(--body-sm-size); color: var(--white); margin: 0 0 4px; }
.footer-address, .footer-cin { font-size: var(--caption-size); color: var(--ink-4); font-family: var(--font-sans); line-height: 1.5; margin: 0 0 4px; }

.footer-heading {
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-4); font-family: var(--font-sans); margin-bottom: var(--sp-2);
}
.footer-line { font-size: var(--caption-size); color: var(--ink-4); font-family: var(--font-sans); margin: 0 0 4px; line-height: 1.5; }
.footer-line a { color: var(--ink-4); text-decoration: none; transition: color var(--t-micro) var(--ease-standard); }
.footer-line a:hover { color: var(--white); }
.footer-line a:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; border-radius: 2px; }

.social-links { display: flex; gap: var(--sp-2); }
.social-link {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid var(--line-dark); color: var(--ink-4);
  transition: color var(--t-micro) var(--ease-standard), border-color var(--t-micro) var(--ease-standard), background var(--t-micro) var(--ease-standard);
}
.social-link:hover { color: var(--white); border-color: var(--ink-3); background: rgba(255,255,255,0.06); }
.social-link:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

.footer-bottom {
  max-width: 1200px; margin: 0 auto;
  padding: var(--sp-3) 0;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-2);
  font-size: var(--caption-size); color: var(--ink-4); font-family: var(--font-sans);
}

/* ── No-scroll desktop layout ── */
/* Hero fills whatever space is left above the footer (flex:1 + centered
   content), so the whole page fits one viewport without scrolling.
   Below 900px the layout stacks — full hero + card + footer can't fit
   one mobile screen unscrolled without becoming unreadably small, so
   normal scrolling is restored there instead. */
@media (min-width: 901px) {
  html, body { overflow: hidden; }
}

@media (max-width: 900px) {
  html, body { height: auto; }
  body { display: block; }
  .hero-wrap { display: grid; grid-template-columns: 1fr; padding: var(--sp-7) var(--sp-5); }
  .hero-content { max-width: none; }
  .card { justify-self: stretch; max-width: 480px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .card { padding: var(--sp-6) var(--sp-5) var(--sp-5); }
  .vendor-links { flex-direction: column; }
  .btn-outline { width: 100%; justify-content: center; }
  .hero-title { font-size: 30px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  .btn-microsoft, .btn-outline, .social-link, .footer-line a { transition: none; }
  .btn-spinner { animation: none; }
}