/* ============================================================
   MAKE TECH — Shared Site Style
   maketech-style.css

   Shared header, footer, navigation menu, and home button
   for all pages on maketech.com.au

   Pages link this file and get:
     - MAKE TECH header (Audiowide)
     - Footer: (c) Make Tech Pty Ltd 2026
     - Home button on sub-pages (configurable label)
     - Side-tab nav menu on index (loaded from pages.json)

   CUSTOMISATION VARIABLES (edit these):
   ============================================================ */
:root {
  /* --- Change the home-button label here --- */
  --mt-home-label: "Back to HQ";

  /* --- Brand colours --- */
  --mt-bg: #0b0f14;
  --mt-ink: #e8f4ff;
  --mt-muted: #8aa0c2;
  --mt-accent: #6ee7ff;
  --mt-accent-glow: rgba(110, 231, 255, 0.25);
  --mt-glass-bg: rgba(18, 25, 34, 0.65);
  --mt-glass-border: rgba(255, 255, 255, 0.08);
  --mt-glass-blur: blur(14px);
  --mt-font-brand: 'Audiowide', cursive;
}

/* ============================================================
   GOOGLE FONT IMPORT (Audiowide)
   Pages can still load their own extra fonts.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Audiowide&display=swap');

/* ============================================================
   SHARED HEADER  —  "MAKE TECH"
   Both index and sub-pages get this.
   ============================================================ */
.mt-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9000;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px 16px;
  pointer-events: none;
}

.mt-header .mt-brand {
  pointer-events: auto;
  font-family: var(--mt-font-brand);
  font-size: clamp(0.85rem, 2.5vw, 1.15rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: #bfe9ff;
  padding: 10px 22px;
  border-radius: 16px;
  text-decoration: none;

  background: linear-gradient(180deg,
    rgba(255, 255, 255, 0.025),
    rgba(255, 255, 255, 0.01));
  border: 1px solid var(--mt-glass-border);
  box-shadow:
    0 10px 40px rgba(0, 0, 0, 0.35),
    inset 0 0 0 1px rgba(255, 255, 255, 0.02);
  backdrop-filter: var(--mt-glass-blur);
  -webkit-backdrop-filter: var(--mt-glass-blur);

  transition: color 0.25s, box-shadow 0.25s;
}

.mt-header .mt-brand:hover {
  color: var(--mt-accent);
  box-shadow:
    0 12px 50px rgba(0, 0, 0, 0.4),
    inset 0 0 0 1px rgba(110, 231, 255, 0.12);
}

/* ============================================================
   SHARED FOOTER  —  copyright
   ============================================================ */
.mt-footer {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 9000;
  text-align: center;
  padding: 7px 16px;
  font-family: var(--mt-font-brand);
  font-size: 0.6rem;
  letter-spacing: 1.5px;
  color: var(--mt-muted);
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.45) 0%, transparent 100%);
  pointer-events: none;
}

/* ============================================================
   HOME BUTTON  —  sub-pages only
   The label text is set via CSS content + the variable above.
   ============================================================ */
.mt-home-btn {
  position: fixed;
  top: 12px; left: 14px;
  z-index: 9001;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  font-family: var(--mt-font-brand);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--mt-muted);
  padding: 8px 14px;
  border-radius: 12px;

  background: var(--mt-glass-bg);
  border: 1px solid var(--mt-glass-border);
  backdrop-filter: var(--mt-glass-blur);
  -webkit-backdrop-filter: var(--mt-glass-blur);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);

  transition: color 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.mt-home-btn:hover {
  color: var(--mt-accent);
  border-color: rgba(110, 231, 255, 0.25);
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.35), 0 0 12px var(--mt-accent-glow);
}

/* The arrow and label are rendered via CSS so pages need zero JS */
.mt-home-btn::before {
  content: "\2190"; /* left arrow */
  font-size: 0.85rem;
}
.mt-home-btn::after {
  content: var(--mt-home-label);
}

/* ============================================================
   HOME BUTTON — mobile sizing override (keeps desktop unchanged)
   ============================================================ */
@media (max-width: 640px) {
  .mt-home-btn {
    /* Smaller visual footprint */
    top: 10px;
    left: 10px;
    padding: 6px 10px;
    border-radius: 10px;
    gap: 5px;
    font-size: 0.62rem;

    /* Optional: shorten label on mobile (uses your existing variable system) */
    --mt-home-label: "Back";
  }

  .mt-home-btn::before {
    font-size: 0.78rem;
  }
}

/* Optional: ultra-small phones — icon-only */
@media (max-width: 420px) {
  .mt-home-btn {
    --mt-home-label: "";
    padding: 6px 9px;
  }
}


/* ============================================================
   NAVIGATION MENU  —  index.html only
   Collapsible tab: bottom-left on desktop, bottom on mobile.
   Click the "Projects" tab to expand; click again to collapse.
   ============================================================ */

/* --- Container (both modes) --- */
.mt-nav {
  position: fixed;
  bottom: 28px; /* above footer */
  left: 0;
  z-index: 8500;
  width: 300px;

  background: var(--mt-glass-bg);
  border: 1px solid var(--mt-glass-border);
  border-left: none;
  border-radius: 0 16px 16px 0;
  backdrop-filter: var(--mt-glass-blur);
  -webkit-backdrop-filter: var(--mt-glass-blur);
  box-shadow: 8px 0 40px rgba(0, 0, 0, 0.4);

  display: flex;
  flex-direction: column;
  gap: 6px;

  scrollbar-width: thin;
  scrollbar-color: rgba(110, 231, 255, 0.2) transparent;

  /* Collapsed by default — only the title tab is visible */
  max-height: 42px;
  overflow: hidden;
  transition: max-height 0.35s ease, border-radius 0.35s ease, width 0.35s ease;
}

.mt-nav.open {
  max-height: 70vh;
  overflow-y: auto;
  padding-bottom: 14px;
}

.mt-nav::-webkit-scrollbar { width: 4px; }
.mt-nav::-webkit-scrollbar-thumb {
  background: rgba(110, 231, 255, 0.2);
  border-radius: 2px;
}

/* --- Tab title (click target) --- */
.mt-nav-title {
  font-family: var(--mt-font-brand);
  font-size: 0.65rem;
  letter-spacing: 2px;
  color: var(--mt-muted);
  text-transform: uppercase;
  padding: 11px 16px;
  cursor: pointer;
  user-select: none;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
}

.mt-nav-title:hover {
  color: var(--mt-accent);
}

/* Chevron indicator */
.mt-nav-title::after {
  content: "\25B2"; /* ▲ */
  font-size: 0.55rem;
  opacity: 0.5;
  transition: transform 0.3s;
}

.mt-nav:not(.open) .mt-nav-title::after {
  transform: rotate(180deg); /* ▼ when collapsed */
}

/* --- Items wrapper (for padding without affecting collapsed height) --- */
.mt-nav-items {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 16px;
}

.mt-nav-items a {
  display: block;
  text-decoration: none;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.mt-nav-items a:hover {
  background: rgba(110, 231, 255, 0.06);
  border-color: rgba(110, 231, 255, 0.15);
  transform: translateX(4px);
}

.mt-nav-items a .mt-nav-item-title {
  font-family: var(--mt-font-brand);
  font-size: 0.8rem;
  color: var(--mt-ink, #e8f4ff);
  letter-spacing: 0.04em;
  margin-bottom: 3px;
}

.mt-nav-items a .mt-nav-item-desc {
  font-size: 0.68rem;
  color: var(--mt-muted);
  line-height: 1.4;
}

/* --- Mobile: full-width bottom tab --- */
@media (max-width: 900px) {
  .mt-nav {
    left: 0;
    right: 0;
    width: 100%;
    border-radius: 16px 16px 0 0;
    border: 1px solid var(--mt-glass-border);
    border-left: none;
    border-bottom: none;
    box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.5);
  }

  .mt-nav-title {
    justify-content: center;
  }

  .mt-nav.open {
    max-height: 50vh;
  }

  .mt-nav-items {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    padding: 0 10px;
  }

  .mt-nav-items a {
    text-align: center;
    padding: 10px 6px;
  }

  .mt-nav-items a:hover {
    transform: none;
  }

  .mt-nav-items a .mt-nav-item-title {
    font-size: 0.7rem;
  }

  .mt-nav-items a .mt-nav-item-desc {
    font-size: 0.58rem;
  }
}