/* Site developed and built by sitethreesixty.com */

/* ============================================================
   home-critical.css — System base + homepage Zone 1 (hero)
   Everything needed for first paint on the homepage.
   ============================================================ */

/* ==========================================================
   SHARED BASE — identical in every [page]-critical.css
   ========================================================== */

/* --- Reset --- */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-body-size);
  line-height: var(--leading-normal);
  color: var(--text-on-light);
  background-color: var(--bg-light);
  overflow-x: hidden;
  padding-top: 60px;
}

img,
video {
  max-width: 100%;
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

h1 { font-size: var(--font-h1); }
h2 { font-size: var(--font-h2); }
h3 { font-size: var(--font-h3); }
h4 { font-size: var(--font-h4); }

p {
  line-height: var(--leading-normal);
}

a {
  color: inherit;
}

ul {
  list-style: none;
}

/* --- Skip link --- */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-small);
  z-index: var(--z-overlay);
  background-color: var(--brand-primary);
  color: var(--text-on-dark);
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: var(--space-sm);
}

/* --- Frame --- */

.frame {
  width: 100%;
  padding: 0 var(--container-pad);
}

/* --- Framework --- */

.framework {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
}

/* --- Zone base (subgrid) --- */

.zone {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: subgrid;
  grid-auto-rows: auto;
  padding-block: var(--zone-pad);
  row-gap: var(--space-lg);
}

/* --- Positions --- */

.pos-full    { grid-column: 1 / -1; }
.pos-wide    { grid-column: 2 / -2; }
.pos-content { grid-column: 3 / -3; max-width: 1200px; justify-self: center; }
.pos-narrow  { grid-column: 4 / -4; max-width: 900px; justify-self: center; }
.pos-left    { grid-column: 1 / 7; }
.pos-right   { grid-column: 7 / -1; }

/* --- Fixture: Header --- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background-color: var(--bg-dark);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding-block: var(--space-md);
}

.site-logo {
  font-family: var(--font-heading);
  font-size: var(--font-h4);
  font-weight: var(--weight-bold);
  color: var(--text-on-dark);
  text-decoration: none;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.nav-list {
  display: flex;
  gap: var(--space-lg);
}

.nav-list a {
  font-family: var(--font-body);
  font-size: var(--font-small);
  font-weight: var(--weight-bold);
  color: var(--text-on-dark);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  transition: color var(--speed-fast) var(--ease-default);
}

.nav-list a:hover {
  color: var(--brand-primary);
}

/* --- Mobile nav toggle --- */

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-on-dark);
  margin-bottom: 5px;
  transition: transform var(--speed-fast) var(--ease-default),
              opacity var(--speed-fast) var(--ease-default);
}

.nav-toggle span:last-child {
  margin-bottom: 0;
}

/* --- Nav overlay --- */

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: var(--black);
  opacity: var(--opacity-half);
  z-index: var(--z-above);
}

.nav-overlay.is-open {
  display: block;
}

/* --- Scroll reveal initial states --- */

[data-reveal] {
  opacity: 0;
}

.reveal-fade-up {
  opacity: 0;
  transform: translateY(30px);
}

/* --- Responsive: single breakpoint at 1000px --- */

@media (max-width: 1000px) {
  .zone {
    padding-inline: var(--container-pad);
  }

  .pos-full,
  .pos-wide,
  .pos-content,
  .pos-narrow,
  .pos-left,
  .pos-right {
    grid-column: 1 / -1;
    max-width: none;
    justify-self: stretch;
  }

  .nav-toggle {
    display: block;
  }

  .nav-list {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    flex-direction: column;
    background-color: var(--bg-dark);
    padding: var(--space-xl) var(--space-lg);
    gap: var(--space-lg);
    transform: translateX(100%);
    transition: transform var(--speed-normal) var(--ease-default);
    z-index: var(--z-modal);
  }

  .nav-list.is-open {
    transform: translateX(0);
  }
}

/* ==========================================================
   END SHARED BASE
   ========================================================== */

/* ============================================================
   Homepage Zone 1 — Hero (dark scheme with background image)
   Zone 1 colour scheme lives here, not in zones.css.
   ============================================================ */

/* --- Zone 1 colour scheme --- */

.zone-hero {
  background-color: var(--bg-dark);
  color: var(--text-on-dark);
  position: relative;
  overflow: hidden;
  padding-block: var(--space-2xl) var(--space-xl);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: var(--opacity-light);
}

.hero-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.zone-hero .section-label {
  color: var(--brand-highlight);
}

.zone-hero .btn-primary {
  background-color: var(--brand-primary);
  color: var(--text-on-dark);
  border-color: var(--brand-primary);
}

.zone-hero .btn-primary:hover {
  background-color: var(--brand-highlight);
  border-color: var(--brand-highlight);
}

.zone-hero .btn-secondary {
  color: var(--text-on-dark);
  border-color: var(--text-on-dark);
}

.zone-hero .btn-secondary:hover {
  background-color: var(--text-on-dark);
  color: var(--bg-dark);
}

/* --- Hero container --- */

.hero-content {
  position: relative;
  z-index: var(--z-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.hero-content h1 {
  font-size: var(--font-display);
  text-transform: uppercase;
}

.hero-tagline {
  font-size: var(--font-h4);
  line-height: var(--leading-normal);
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
}

/* https://www.sitethreesixty.com */