/* =========================================================================
   SIMMEC TRAINING SOLUTIONS
   Design system: SpaceX-inspired structure with SIMMEC brand colors.
   Pure single-file stylesheet for static GoDaddy upload.
   ========================================================================= */

/* -------- Design tokens -------- */
:root {
  /* Surface */
  --canvas-night: #1A1A1A;
  --canvas-night-soft: #232323;
  --canvas-light: #FFFFFF;
  --canvas-cool: #F5EFE0;
  --canvas-tan-light: #EDE4D3;
  --hairline-on-dark: #3a3a3f;
  --hairline-on-light: #D9D9D9;

  /* Text */
  --on-primary: #FFFFFF;
  --on-primary-mute: #F5EFE0;
  --ink: #1A1A1A;
  --ink-mute: #595959;
  --ink-grey-mid: #808080;

  /* SIMMEC accent — the brand tan substituted for pure-white chrome */
  --accent-tan: #B79E70;
  --accent-tan-deep: #8B7355;
  --safety-red: #C00000;

  /* Spacing scale */
  --space-xxs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 18px;
  --space-xl: 24px;
  --space-xxl: 32px;
  --space-huge: 48px;

  /* Radius scale */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-pill: 32px;
  --radius-full: 9999px;

  /* Type scale */
  --display-xxl: 80px;
  --display-xl: 60px;
  --display-lg: 48px;
  --body-lg: 16px;
  --body-md: 16px;
  --button-cap: 13.008px;
  --micro-cap: 12px;
  --caption: 13.008px;

  /* Reading column */
  --column: 1200px;
}

/* -------- Reset / base -------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'Arial Narrow', Arial, Verdana, sans-serif;
  font-size: var(--body-md);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.32px;
  color: var(--on-primary);
  background: var(--canvas-night);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* -------- Typography classes -------- */
.display-xxl {
  font-size: var(--display-xxl);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  margin: 0;
}
.display-xl {
  font-size: var(--display-xl);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin: 0;
}
.display-lg {
  font-size: var(--display-lg);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.96px;
  text-transform: uppercase;
  margin: 0;
}
.body-lg {
  font-size: var(--body-lg);
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0.32px;
}
.body-md {
  font-size: var(--body-md);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.32px;
}
.button-cap {
  font-size: var(--button-cap);
  font-weight: 700;
  line-height: 0.94;
  letter-spacing: 1.17px;
  text-transform: uppercase;
}
.micro-cap {
  font-size: var(--micro-cap);
  font-weight: 400;
  line-height: 2.0;
  letter-spacing: 0.96px;
  text-transform: uppercase;
}
.caption {
  font-size: var(--caption);
  font-weight: 400;
  line-height: 1.5;
}

/* Eyebrow over a hero headline */
.eyebrow {
  font-size: var(--micro-cap);
  font-weight: 700;
  line-height: 2.0;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  color: var(--accent-tan);
  margin: 0 0 var(--space-md) 0;
}

/* -------- Layout primitives -------- */
.column {
  width: 100%;
  max-width: var(--column);
  margin: 0 auto;
  padding: 0 var(--space-xxl);
}

/* Full-bleed photographic band — the brand's signature */
.band-photo {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  background-color: var(--canvas-night);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}
.band-photo::before {
  /* Photographic grade — darken slightly so type lands cleanly. No scrim/gradient. */
  content: '';
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.35);
  pointer-events: none;
}
.band-photo > .column { position: relative; z-index: 1; padding-top: var(--space-huge); padding-bottom: var(--space-huge); }

/* Short hero variant (used on inner pages so hero doesn't eat the whole fold) */
.band-photo.is-short { min-height: 70vh; }

/* Dark content band (no photo) */
.band-dark {
  background: var(--canvas-night);
  color: var(--on-primary);
  padding: var(--space-huge) 0;
}
.band-night-soft {
  background: var(--canvas-night-soft);
  color: var(--on-primary);
  padding: var(--space-huge) 0;
  border-top: 1px solid var(--hairline-on-dark);
  border-bottom: 1px solid var(--hairline-on-dark);
}

/* -------- Buttons -------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-lg) var(--space-xl);
  border-radius: var(--radius-pill);
  font-size: var(--button-cap);
  font-weight: 700;
  line-height: 0.94;
  letter-spacing: 1.17px;
  text-transform: uppercase;
  border: 1px solid currentColor;
  background: transparent;
  color: var(--on-primary);
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover, .btn:focus-visible {
  background: var(--accent-tan);
  color: var(--ink);
  border-color: var(--accent-tan);
  outline: none;
}

/* Ghost on dark — the universal marketing CTA, bordered in SIMMEC tan */
.btn-ghost-dark {
  color: var(--on-primary);
  border-color: var(--accent-tan);
}
.btn-ghost-dark:hover, .btn-ghost-dark:focus-visible {
  background: var(--accent-tan);
  color: var(--ink);
  border-color: var(--accent-tan);
}

/* Ghost on light — for shop/form contexts */
.btn-ghost-light {
  color: var(--ink);
  border-color: var(--accent-tan-deep);
}
.btn-ghost-light:hover, .btn-ghost-light:focus-visible {
  background: var(--accent-tan-deep);
  color: var(--on-primary);
  border-color: var(--accent-tan-deep);
}

/* Filled tan — used sparingly, e.g. primary contact-form submit */
.btn-filled-tan {
  background: var(--accent-tan);
  color: var(--ink);
  border-color: var(--accent-tan);
}
.btn-filled-tan:hover, .btn-filled-tan:focus-visible {
  background: var(--accent-tan-deep);
  border-color: var(--accent-tan-deep);
  color: var(--on-primary);
}

/* -------- Top navigation -------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl) var(--space-xxl);
  background: transparent;
  transition: background 200ms ease, border-color 200ms ease;
}
.nav.is-scrolled {
  background: rgba(26,26,26,0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--hairline-on-dark);
}
.nav-brand {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-xs);
  color: var(--on-primary);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  line-height: 1;
}
.nav-brand .brand-mark {
  color: var(--accent-tan);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xxl);
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  font-size: var(--micro-cap);
  font-weight: 700;
  letter-spacing: 1.17px;
  text-transform: uppercase;
  color: var(--on-primary);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}
.nav-links a:hover,
.nav-links a.is-active {
  color: var(--accent-tan);
  border-bottom-color: var(--accent-tan);
}
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--accent-tan);
  color: var(--on-primary);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-pill);
  font-size: var(--micro-cap);
  font-weight: 700;
  letter-spacing: 1.17px;
  text-transform: uppercase;
}

/* -------- Hero block (sits inside .band-photo > .column) -------- */
.hero {
  max-width: 920px;
}
.hero h1 { margin: 0 0 var(--space-xl) 0; }
.hero p.lede {
  font-size: 20px;
  line-height: 1.6;
  letter-spacing: 0.32px;
  color: var(--on-primary-mute);
  max-width: 700px;
  margin: 0 0 var(--space-xxl) 0;
}
.hero .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* -------- Section heading block -------- */
.section-head {
  max-width: 800px;
  margin: 0 0 var(--space-huge) 0;
}
.section-head h2 { margin: 0 0 var(--space-md) 0; }
.section-head p {
  color: var(--on-primary-mute);
  margin: 0;
  font-size: 18px;
  line-height: 1.7;
}

/* -------- Course grid -------- */
.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xxl);
}
.course-card {
  display: flex;
  flex-direction: column;
  background: var(--canvas-night);
  border: 1px solid var(--hairline-on-dark);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: transform 200ms ease, border-color 200ms ease;
}
.course-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-tan);
}
.course-card .thumb {
  aspect-ratio: 16 / 10;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.course-card .body {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}
.course-card .tier {
  font-size: var(--micro-cap);
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--accent-tan);
}
.course-card h3 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.96px;
  text-transform: uppercase;
  color: var(--on-primary);
  margin: 0;
}
.course-card .fullname {
  font-size: var(--micro-cap);
  font-weight: 400;
  letter-spacing: 0.96px;
  text-transform: uppercase;
  color: var(--accent-tan);
  margin: -2px 0 var(--space-xxs) 0;
  line-height: 1.4;
}
.course-card p {
  color: var(--on-primary-mute);
  margin: 0;
  line-height: 1.6;
  font-size: 15px;
}
.track-jump {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-huge);
}
.track-jump a {
  display: inline-flex;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--hairline-on-dark);
  border-radius: var(--radius-pill);
  font-size: var(--micro-cap);
  font-weight: 700;
  letter-spacing: 1.17px;
  text-transform: uppercase;
  color: var(--on-primary-mute);
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}
.track-jump a:hover {
  border-color: var(--accent-tan);
  color: var(--ink);
  background: var(--accent-tan);
}
.course-card .meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: var(--caption);
  color: var(--ink-grey-mid);
  margin-top: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--hairline-on-dark);
}
.course-card .meta span strong {
  color: var(--on-primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.96px;
  font-size: var(--micro-cap);
  display: block;
  margin-bottom: 2px;
}

/* -------- About / two-column block -------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-huge);
  align-items: center;
}
.split img,
.split .photo {
  width: 100%;
  border-radius: var(--radius-sm);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background-size: cover;
  background-position: center;
}
.split h2 { margin: 0 0 var(--space-md) 0; }
.split p {
  color: var(--on-primary-mute);
  line-height: 1.75;
  font-size: 17px;
}
.split p + p { margin-top: var(--space-md); }

/* -------- Stat strip -------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xxl);
  padding-top: var(--space-huge);
  margin-top: var(--space-huge);
  border-top: 1px solid var(--hairline-on-dark);
}
.stat .num {
  display: block;
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 1.2px;
  color: var(--accent-tan);
  margin-bottom: var(--space-xs);
}
.stat .label {
  font-size: var(--micro-cap);
  font-weight: 700;
  letter-spacing: 1.17px;
  text-transform: uppercase;
  color: var(--on-primary-mute);
}

/* -------- Cadre / bio cards -------- */
.bio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xxl);
}
.bio {
  padding: var(--space-xl);
  border: 1px solid var(--hairline-on-dark);
  border-radius: var(--radius-sm);
}
.bio h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.96px;
  text-transform: uppercase;
  margin: 0 0 var(--space-xxs) 0;
}
.bio .role {
  font-size: var(--micro-cap);
  font-weight: 700;
  letter-spacing: 1.17px;
  text-transform: uppercase;
  color: var(--accent-tan);
  margin-bottom: var(--space-md);
  display: block;
}
.bio p {
  color: var(--on-primary-mute);
  margin: 0;
  line-height: 1.65;
}

/* -------- Contact block -------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-huge);
}
.contact-info dl {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}
.contact-info dt {
  font-size: var(--micro-cap);
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--accent-tan);
  margin-bottom: var(--space-xxs);
}
.contact-info dd {
  margin: 0;
  font-size: 18px;
  line-height: 1.5;
}
.contact-info dd a {
  border-bottom: 1px solid var(--accent-tan);
  padding-bottom: 1px;
}
.contact-info dd a:hover { color: var(--accent-tan); }

.form {
  display: grid;
  gap: var(--space-md);
}
.form label {
  display: block;
  font-size: var(--micro-cap);
  font-weight: 700;
  letter-spacing: 1.17px;
  text-transform: uppercase;
  color: var(--on-primary-mute);
  margin-bottom: var(--space-xxs);
}
.form input,
.form select,
.form textarea {
  width: 100%;
  background: var(--canvas-night-soft);
  border: 1px solid var(--hairline-on-dark);
  color: var(--on-primary);
  padding: var(--space-md);
  border-radius: var(--radius-xs);
  font: inherit;
  line-height: 1.4;
  transition: border-color 180ms ease;
}
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--accent-tan);
}
.form textarea { min-height: 160px; resize: vertical; }
.form .row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}
.form button[type="submit"] {
  justify-self: start;
  margin-top: var(--space-md);
}

/* -------- Capability / value strip -------- */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xxl);
}
.cap h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.96px;
  text-transform: uppercase;
  margin: 0 0 var(--space-sm) 0;
  color: var(--on-primary);
}
.cap .num-mark {
  display: inline-block;
  font-size: var(--micro-cap);
  font-weight: 700;
  letter-spacing: 1.6px;
  color: var(--accent-tan);
  margin-bottom: var(--space-md);
}
.cap p {
  color: var(--on-primary-mute);
  margin: 0;
  line-height: 1.7;
}

/* -------- Footer -------- */
.footer {
  background: var(--canvas-night);
  color: var(--on-primary-mute);
  padding: var(--space-huge) var(--space-xxl) var(--space-xxl);
  border-top: 1px solid var(--hairline-on-dark);
}
.footer-cols {
  max-width: var(--column);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-huge);
  padding-bottom: var(--space-huge);
  border-bottom: 1px solid var(--hairline-on-dark);
}
.footer h4 {
  font-size: var(--micro-cap);
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--on-primary);
  margin: 0 0 var(--space-md) 0;
}
.footer ul {
  list-style: none;
  padding: 0; margin: 0;
  display: grid;
  gap: var(--space-xs);
}
.footer ul a:hover { color: var(--accent-tan); }
.footer .brand-block .wordmark {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  color: var(--on-primary);
  margin-bottom: var(--space-md);
  display: inline-block;
}
.footer .brand-block .wordmark span { color: var(--accent-tan); }
.footer .legal {
  max-width: var(--column);
  margin: 0 auto;
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: var(--caption);
  color: var(--ink-grey-mid);
}

/* -------- Responsive -------- */
@media (max-width: 1279px) {
  .course-grid { grid-template-columns: repeat(2, 1fr); }
  .bio-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-cols { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-cols .col-3 { display: none; }
}
@media (max-width: 960px) {
  :root { --display-xxl: 60px; --display-xl: 48px; --display-lg: 36px; }
  .nav { padding: var(--space-md) var(--space-xl); }
  .nav-links { gap: var(--space-lg); }
  .stats { grid-template-columns: repeat(2, 1fr); gap: var(--space-xl); }
  .split { grid-template-columns: 1fr; gap: var(--space-xl); }
  .cap-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-xxl); }
  .footer-cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  :root { --display-xxl: 48px; --display-xl: 36px; --display-lg: 28px; }
  .column { padding: 0 var(--space-xl); }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(26,26,26,0.97);
    border-top: 1px solid var(--hairline-on-dark);
    border-bottom: 1px solid var(--hairline-on-dark);
    padding: var(--space-md) var(--space-xl);
    gap: 0;
  }
  .nav-links.is-open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--hairline-on-dark); }
  .nav-links li:last-child { border-bottom: none; }
  .nav-links a { display: block; padding: var(--space-md) 0; }
  .course-grid { grid-template-columns: 1fr; }
  .bio-grid { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr; }
  .form .row-2 { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; gap: var(--space-xl); }
  .hero p.lede { font-size: 17px; }
  .stat .num { font-size: 42px; }
}
@media (max-width: 599px) {
  :root { --display-xxl: 40px; }
  .band-photo { min-height: 80vh; }
  .band-photo.is-short { min-height: 60vh; }
}