/* ============================================================
   PGTEK — main.css
   Shared styles: CSS variables, reset, nav, footer, layout,
   reveal animations, typography utilities.
   Page-specific styles stay in each HTML file's <style> block.
   ============================================================ */

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

/* ── Design tokens ── */
:root {
  --void:       #050e0f;
  --deep:       #060f10;
  --surface:    #0f1e20;
  --green:      #00fff0;
  --green2:     #00e0d8;
  --green-glow: rgba(0,255,240,.18);
  --green-pale: rgba(0,255,240,.06);
  --off:        #8fa89f;
  --muted:      #8a9fa8;
  --muted2:     #4a5a62;
  --border:     rgba(0,255,240,.08);
  --border2:    rgba(0,255,240,.18);
  --border3:    rgba(0,255,240,.35);
  --mono:       'IBM Plex Mono', monospace;
  --sans:       'Inter', sans-serif;
  --radius:     10px;
}

/* ── Base ── */
html { scroll-behavior: smooth; }
body {
  background: var(--void);
  color: var(--off);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Background image overlay ── */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100lvh;
  background: url('../datacenter_new.png') center/cover no-repeat;
  opacity: .25;
  z-index: -1;
  pointer-events: none;
}

/* ── Scanline effect ── */
body::after {
  content: '';
  pointer-events: none;
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,.04) 2px,
    rgba(0,0,0,.04) 4px
  );
  z-index: 9999;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; width: 100%; z-index: 100;
  height: 68px; padding: 0 3.5rem;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(5,11,10,0.88);
  backdrop-filter: blur(22px);
  border-bottom: 1px solid var(--border);
}
.nav-logo { text-decoration: none; }
.nav-links { display: flex; gap: 2.2rem; align-items: center; }
.nav-links a {
  color: var(--muted); text-decoration: none;
  font-size: .81rem; font-weight: 500;
  letter-spacing: .04em; transition: color .2s;
  font-family: var(--mono);
}
.nav-links a:hover,
.nav-links a.active { color: var(--green); }
.nav-cta {
  border: 1px solid var(--border2);
  background: var(--green-pale);
  color: var(--green) !important;
  padding: .4rem 1.1rem;
  border-radius: 6px;
  font-weight: 600 !important;
}
.nav-cta:hover { background: rgba(0,255,240,0.13) !important; }
.nav-burger {
  display: none; background: none;
  border: 1px solid var(--border2); border-radius: 6px;
  color: var(--green); font-size: 1.3rem;
  padding: .3rem .7rem; cursor: pointer;
  font-family: var(--mono); line-height: 1; transition: all .2s;
}
.nav-burger:hover { border-color: var(--border3); background: var(--green-pale); }

/* ── Nav dropdowns ── */
.nav-dropdown { position: relative; display: inline-flex; align-items: center; }
.nav-dropdown-trigger {
  cursor: pointer; background: none; border: none; padding: 0;
  color: var(--muted); font-family: var(--mono);
  font-size: .81rem; letter-spacing: .04em; font-weight: 500;
  transition: color .2s; display: flex; align-items: center;
  gap: .3rem; line-height: 1;
}
.nav-dropdown:hover .nav-dropdown-trigger,
.nav-dropdown-trigger.active { color: var(--green); }
.nav-dropdown-menu {
  display: none; position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%);
  background: rgba(5,11,10,0.97);
  border: 1px solid rgba(0,255,240,0.15);
  border-radius: 6px; padding: 10px 0 .5rem;
  min-width: 195px; z-index: 200;
  backdrop-filter: blur(12px);
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown-menu.open { display: block; }
.nav-dropdown-menu a {
  display: block; padding: .45rem 1.2rem;
  color: var(--muted); text-decoration: none;
  font-family: var(--mono); font-size: .78rem;
  transition: color .2s, background .2s; white-space: nowrap;
}
.nav-dropdown-menu a.dd-all {
  color: var(--green);
  border-bottom: 1px solid rgba(0,255,240,0.1);
  margin-bottom: .25rem; padding-bottom: .55rem;
}
.nav-dropdown-menu a:hover { color: var(--green); background: rgba(0,255,240,0.05); }

/* ── Mobile nav ── */
@media (max-width: 768px) {
  nav { padding: 0 1.5rem; }
  .nav-burger { display: flex; align-items: center; }
  .nav-links {
    display: none !important;
    position: fixed; top: 68px; left: 0; right: 0;
    background: rgba(5,11,10,0.97);
    backdrop-filter: blur(22px);
    flex-direction: column; align-items: flex-start;
    gap: 0; padding: 1rem 1.5rem 1.5rem;
    border-bottom: 1px solid var(--border); z-index: 99;
  }
  .nav-links.open { display: flex !important; }
  .nav-links a {
    padding: .75rem 0; width: 100%;
    border-bottom: 1px solid var(--border);
    font-size: .95rem; display: block !important;
  }
  .nav-links a:last-child { border-bottom: none; }
  .nav-cta { border: none; background: none; padding: .75rem 0 !important; border-radius: 0 !important; }
  .nav-dropdown { display: block; width: 100%; }
  .nav-dropdown-trigger {
    width: 100%; padding: .6rem .5rem;
    font-size: .85rem; justify-content: space-between;
  }
  .nav-dropdown-menu {
    position: static; transform: none; border: none;
    border-radius: 0; background: transparent;
    backdrop-filter: none; padding: .25rem 0 .25rem 1rem;
    min-width: 0; margin: 0;
  }
  .nav-dropdown:hover .nav-dropdown-menu { display: none; }
  .nav-dropdown-menu.open { display: block; }
  .nav-dropdown-menu a { padding: .4rem .5rem; font-size: .8rem; }
  .nav-dropdown-menu a.dd-all { border-bottom: 1px solid rgba(0,255,240,0.08); }
}

/* ── Layout ── */
main { padding-top: 68px; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
section { padding: 5rem 2rem; }

/* ── Reveal animations ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .24s; }
.reveal-delay-3 { transition-delay: .36s; }

/* ── Eyebrow labels ── */
.eyebrow {
  font-family: var(--mono); font-size: .78rem; font-weight: 600;
  color: var(--green); letter-spacing: .12em;
  text-transform: lowercase; margin-bottom: 1rem; display: block;
}

/* ── Section divider ── */
.section-divider {
  width: 3rem; height: 2px;
  background: var(--green); margin-bottom: 1.5rem; border-radius: 2px;
}

/* ── Shared buttons ── */
.btn-g {
  font-family: var(--mono); font-size: .84rem; font-weight: 700;
  letter-spacing: .05em; text-decoration: none;
  color: var(--void); background: var(--green);
  border: 2px solid var(--green); border-radius: var(--radius);
  padding: .75rem 1.75rem;
  transition: background .2s, box-shadow .2s, transform .15s;
  display: inline-block;
}
.btn-g:hover {
  background: var(--green2); border-color: var(--green2);
  box-shadow: 0 0 28px var(--green-glow); transform: translateY(-2px);
}
.btn-t {
  font-family: var(--mono); font-size: .84rem; font-weight: 700;
  letter-spacing: .05em; text-decoration: none;
  color: var(--green); background: transparent;
  border: 2px solid var(--border3); border-radius: var(--radius);
  padding: .75rem 1.75rem;
  transition: border-color .2s, background .2s, transform .15s;
  display: inline-block;
}
.btn-t:hover {
  border-color: var(--green); background: var(--green-pale);
  transform: translateY(-2px);
}

/* ── FOOTER ── */
footer {
  background: var(--deep);
  border-top: 1px solid var(--border);
  padding: 2.5rem 3.5rem;
}
.fi {
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap;
  gap: 1.2rem; max-width: 1100px; margin: 0 auto;
}
.fcopy {
  font-family: var(--mono); font-size: .75rem;
  color: var(--off); letter-spacing: .04em;
}
.flinks { display: flex; gap: 1.8rem; }
.flinks a {
  font-family: var(--mono); font-size: .75rem;
  color: var(--off); text-decoration: none;
  letter-spacing: .04em; transition: color .2s;
}
.flinks a:hover { color: var(--green); }
@media (max-width: 600px) {
  footer { padding: 2rem 1.5rem; }
  .fi { flex-direction: column; align-items: flex-start; gap: .8rem; }
}