/* CR Enterprises LLC — legacy accent #e82c2b; body/nav fonts match prior crenterprises.us (Tahoma / Verdana). */
:root {
  --bg: #f0f1f4;
  --surface: #ffffff;
  --text: #444444;
  --muted: #5c5c5c;
  --border: #e2e4e8;
  --accent: #e82c2b;
  --accent-hover: #c41e1e;
  --accent-soft: rgba(232, 44, 43, 0.09);
  --ink: #1a1f26;
  --ink-soft: #2d3540;
  --radius: 8px;
  --radius-sm: 5px;
  --shadow: 0 1px 3px rgba(26, 31, 38, 0.08);
  --shadow-md: 0 8px 24px rgba(26, 31, 38, 0.1);
  --font: Tahoma, Arial, Helvetica, sans-serif;
  --font-display: Verdana, Arial, Helvetica, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", Consolas, "SF Mono", monospace;
  --measure: 68ch;
  --content-max: 1100px;
  /* iPhone safe areas (notch / home indicator); env() falls back to 0 where unsupported */
  --pad-inline-start: max(1.25rem, env(safe-area-inset-left, 0px));
  --pad-inline-end: max(1.25rem, env(safe-area-inset-right, 0px));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  background-image: linear-gradient(rgba(26, 31, 38, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 31, 38, 0.035) 1px, transparent 1px);
  background-size: 40px 40px;
  background-attachment: fixed;
  overflow-x: hidden;
  overflow-wrap: break-word;
  -webkit-tap-highlight-color: rgba(232, 44, 43, 0.12);
}

/* fixed backgrounds are unreliable on iOS Safari; scroll attachment avoids repaint jank */
@media (max-width: 900px) {
  body {
    background-attachment: scroll;
  }
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--accent-hover);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: fixed;
  left: max(1rem, env(safe-area-inset-left, 0px));
  top: max(1rem, env(safe-area-inset-top, 0px));
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  z-index: 100;
}

/* —— Header —— */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-top: 3px solid var(--accent);
}

.site-header__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 1rem var(--pad-inline-end) 1.1rem var(--pad-inline-start);
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.28rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand a {
  color: var(--ink);
  text-decoration: none;
}

.brand a:hover {
  color: var(--accent);
}

.brand__tag {
  display: block;
  font-weight: 500;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.2rem;
  letter-spacing: 0.02em;
}

.brand__tag em {
  font-style: normal;
  color: var(--ink-soft);
  font-weight: 600;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0.35rem;
  align-items: center;
}

.nav a {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  touch-action: manipulation;
}

.nav a:hover {
  color: var(--ink);
  background: rgba(26, 31, 38, 0.05);
  border-color: var(--border);
}

.nav a[aria-current="page"] {
  color: var(--surface);
  font-weight: 600;
  background: var(--accent);
  border-color: var(--accent);
}

.nav a[aria-current="page"]:hover {
  color: var(--surface);
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* Lenovo program strip */
.partner-strip {
  background: linear-gradient(90deg, var(--ink) 0%, #222831 50%, var(--ink-soft) 100%);
  color: #c8cdd6;
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.partner-strip__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0.55rem var(--pad-inline-end) 0.55rem var(--pad-inline-start);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
}

.partner-strip__logo {
  height: 34px;
  width: auto;
  max-width: min(42vw, 160px);
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}

@media (max-width: 480px) {
  .partner-strip__logo {
    height: 28px;
    max-width: 130px;
  }
}

.partner-strip__text {
  margin: 0;
  line-height: 1.45;
  flex: 1 1 220px;
  min-width: 0;
}

.partner-strip__meta {
  color: #a8b0bc;
}

/* —— Main —— */
main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 2rem var(--pad-inline-end) max(3rem, calc(2rem + env(safe-area-inset-bottom, 0px)))
    var(--pad-inline-start);
}

main.main--home {
  padding-top: 1.75rem;
}

.page-title,
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 2.8vw, 2.15rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
  line-height: 1.22;
  color: var(--ink);
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
  max-width: 100%;
}

.section-title {
  font-size: clamp(1.45rem, 2.2vw, 1.75rem);
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 0 0 0.65rem;
  font-weight: 600;
}

.lead {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: var(--measure);
  margin: 0 0 1.75rem;
  line-height: 1.55;
}

.prose {
  max-width: var(--measure);
}

.prose p {
  margin: 0 0 1rem;
}

.prose ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

.prose li {
  margin-bottom: 0.35rem;
}

/* Home hero */
.hero {
  background: linear-gradient(145deg, #161a20 0%, #1e252e 42%, #252d38 100%);
  color: #d7dce4;
  border-radius: var(--radius);
  padding: 2rem 1.75rem 2.25rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 100% 0%, rgba(232, 44, 43, 0.12), transparent 55%);
  pointer-events: none;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.2vw, 2.35rem);
  font-weight: 600;
  color: #fff;
  margin: 0 0 0.75rem;
  line-height: 1.18;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.hero__lead {
  margin: 0 0 1.35rem;
  font-size: 1.05rem;
  line-height: 1.55;
  max-width: 52ch;
  color: #aeb6c4;
}

.hero__credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  margin-bottom: 1.35rem;
}

.hero__scope {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #7a8699;
  letter-spacing: 0.06em;
}

.hero__cta,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.inline-actions {
  margin-top: 1.25rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.15rem;
  font-size: 0.92rem;
  font-weight: 600;
  font-family: var(--font);
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  touch-action: manipulation;
}

.btn--primary {
  background: var(--accent);
  color: #fff !important;
  border-color: var(--accent);
}

.btn--primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff !important;
}

.btn--ghost {
  background: transparent;
  color: #e8eaef !important;
  border-color: rgba(255, 255, 255, 0.35);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff !important;
}

.btn--surface {
  background: var(--surface);
  color: var(--ink) !important;
  border-color: var(--border);
}

.btn--surface:hover {
  border-color: var(--accent);
  color: var(--accent) !important;
}

/* Pillar cards (home) */
.pillars {
  margin-bottom: 2.25rem;
}

.pillar-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 900px) {
  .pillar-cards {
    grid-template-columns: 1fr;
  }
}

.pillar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.2rem 1.35rem;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.pillar-card:hover {
  box-shadow: var(--shadow-md);
  border-color: #d0d4db;
}

.pillar-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: 0.75rem;
  color: var(--accent);
}

.pillar-card__icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.pillar-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.pillar-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

.surface-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.5rem 1.6rem;
  box-shadow: var(--shadow);
}

.surface-block + .surface-block {
  margin-top: 1.25rem;
}

.panel {
  background: var(--accent-soft);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  box-shadow: var(--shadow);
}

.panel h2 {
  font-size: 0.82rem;
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  color: var(--ink-soft);
}

.panel p {
  margin: 0;
  font-size: 0.95rem;
}

/* Partner page lockup (light) */
.partner-lockup-light {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.partner-lockup-light__badge {
  flex: 1 1 220px;
  max-width: 320px;
  background: #fff;
  color: #fff;
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  border-left: 4px solid var(--accent);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.partner-program-logo {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  margin: 0;
}

.partner-lockup-light__copy {
  flex: 1 1 280px;
  margin: 0;
  font-size: 0.98rem;
  color: var(--muted);
  align-self: center;
}

.vendor-lockup {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin: 1.25rem 0 0;
  padding: 1rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.vendor-lockup__mark {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
}

.vendor-lockup__caption {
  margin: 0;
  font-size: 0.95rem;
}

.contact-block {
  margin-top: 1rem;
}

.contact-block dt {
  font-family: var(--font-mono);
  font-weight: 600;
  margin-top: 0.85rem;
  color: var(--ink-soft);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-block dd {
  margin: 0.15rem 0 0;
}

/* —— Footer —— */
.site-footer {
  border-top: 3px solid var(--accent);
  background: var(--ink);
  color: #a8b0bc;
  padding: 2rem var(--pad-inline-end) max(1.5rem, calc(1rem + env(safe-area-inset-bottom, 0px)))
    var(--pad-inline-start);
  margin-top: 2.5rem;
  font-size: 0.88rem;
}

.site-footer a {
  color: #c8cdd6;
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.site-footer strong {
  color: #fff;
}

.footer-grid {
  max-width: var(--content-max);
  margin: 0 auto 1.5rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1.5rem 2rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-col h2 {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 700;
}

.footer-col p {
  margin: 0 0 0.5rem;
  line-height: 1.5;
}

.footer-col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.35rem;
}

.footer-base {
  max-width: var(--content-max);
  margin: 0 auto;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
  color: #7a8699;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  align-items: center;
}

.footer-meta {
  line-height: 1.5;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

@media (max-width: 640px) {
  .site-header__inner {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .brand {
    font-size: clamp(1.12rem, 4.2vw, 1.28rem);
  }

  .nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.35rem 0.4rem;
  }

  .nav a {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 44px;
    padding: 0.5rem 0.5rem;
    font-size: 0.88rem;
    line-height: 1.25;
  }
}

/* iPhone SE / 12 mini width: comfortable type and spacing */
@media (max-width: 480px) {
  .hero {
    padding: 1.5rem 1rem 1.75rem;
  }

  .hero__title {
    max-width: none;
    font-size: clamp(1.55rem, 6.5vw, 1.95rem);
  }

  .hero__lead {
    font-size: 1rem;
  }

  .surface-block {
    padding: 1.2rem 1rem 1.35rem;
  }

  .panel {
    padding: 1.1rem 1rem 1.2rem;
  }

  .partner-lockup-light__badge {
    max-width: 100%;
    flex: 1 1 100%;
  }

  .vendor-lockup {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }

  .vendor-lockup__mark {
    width: 44px;
    height: 44px;
  }

  .footer-col a,
  .footer-links a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0.35rem 0;
  }

  .footer-col li {
    margin-bottom: 0.15rem;
  }

  /* Avoid iOS double-tap zoom on interactive text sized below ~16px */
  .nav a,
  .footer-links a,
  .footer-col a {
    font-size: max(16px, 0.88rem);
  }
}

/* Apple-recommended 44×44pt minimum for primary taps (phones, tablets) */
@media (pointer: coarse) {
  .btn {
    min-height: 44px;
    padding: 0.65rem 1.2rem;
  }

  .footer-links {
    gap: 0.5rem 1rem;
  }

  .footer-links a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
}