/* ==========================================================
   BellexFire Digital — Layout
   assets/css/layout.css
   Mobile-first. Breakpoints: 640 / 768 / 1024 / 1280px
   ========================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--bxf-font-body);
  background-color: var(--bxf-bg-deep);
  color: var(--bxf-text);
  line-height: 1.6;
  min-height: 100dvh;
  overflow-x: hidden;
}

img, video, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--bxf-violet); text-decoration: none; }
a:hover { color: var(--bxf-magenta); }
ul, ol { list-style: none; }

/* ── Container ──────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--bxf-container);
  margin-inline: auto;
  padding-inline: var(--bxf-space-4);
}
@media (min-width: 640px)  { .container { padding-inline: var(--bxf-space-6); } }
@media (min-width: 1024px) { .container { padding-inline: var(--bxf-space-8); } }

/* ── Typography scale ───────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--bxf-font-display);
  line-height: 1.15;
  color: var(--bxf-text);
}

h1 { font-size: clamp(2rem,    5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem,  4vw, 2.5rem); font-weight: 600; }
h3 { font-size: clamp(1.2rem, 3vw, 1.75rem); font-weight: 600; }
h4 { font-size: 1.25rem; font-weight: 600; }
h5 { font-size: 1rem;    font-weight: 600; }
h6 { font-size: 0.875rem; font-weight: 600; }

p  { font-size: 1rem; color: var(--bxf-text-dim); margin-bottom: var(--bxf-space-4); }
p:last-child { margin-bottom: 0; }

small { font-size: 0.8125rem; color: var(--bxf-text-muted); }

strong { color: var(--bxf-text); font-weight: 600; }

/* ── Section spacing ────────────────────────────────────── */
.section {
  padding-block: var(--bxf-space-16);
}
@media (min-width: 1024px) {
  .section { padding-block: var(--bxf-space-24); }
}

.section-sm {
  padding-block: var(--bxf-space-8);
}
@media (min-width: 1024px) {
  .section-sm { padding-block: var(--bxf-space-16); }
}

.section-header {
  text-align: center;
  margin-bottom: var(--bxf-space-12);
}

.section-header p {
  font-size: 1.125rem;
  max-width: 640px;
  margin-inline: auto;
}

/* ── Grid system ────────────────────────────────────────── */
.grid {
  display: grid;
  gap: var(--bxf-space-6);
}

.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ── Flex utilities ─────────────────────────────────────── */
.flex         { display: flex; }
.flex-col     { flex-direction: column; }
.flex-wrap    { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start  { align-items: flex-start; }
.justify-center  { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2  { gap: var(--bxf-space-2); }
.gap-4  { gap: var(--bxf-space-4); }
.gap-6  { gap: var(--bxf-space-6); }
.gap-8  { gap: var(--bxf-space-8); }

/* ── Text utilities ─────────────────────────────────────── */
.text-center  { text-align: center; }
.text-left    { text-align: left; }
.text-muted   { color: var(--bxf-text-muted); }
.text-dim     { color: var(--bxf-text-dim); }
.text-gradient {
  background: var(--bxf-gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Spacing utilities ──────────────────────────────────── */
.mt-4  { margin-top: var(--bxf-space-4); }
.mt-6  { margin-top: var(--bxf-space-6); }
.mt-8  { margin-top: var(--bxf-space-8); }
.mb-4  { margin-bottom: var(--bxf-space-4); }
.mb-6  { margin-bottom: var(--bxf-space-6); }
.mb-8  { margin-bottom: var(--bxf-space-8); }

/* ── Header ─────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(10, 4, 18, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--bxf-border);
}

.header-inner {
  width: 100%;
  max-width: var(--bxf-container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  padding: 0 var(--bxf-space-6);
}

/* ── Nav logo (image) ────────────────────────────────────── */
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  position: relative;
}

.nav-logo-img {
  height: 80px;
  width: auto;
  position: relative;
  z-index: 2;
  transition: all 0.3s ease;
  filter: drop-shadow(0 0 8px rgba(255, 43, 214, 0.3));
}

.nav-logo::before {
  content: '';
  position: absolute;
  inset: -8px -16px;
  border-radius: 16px;
  background: radial-gradient(ellipse,
    rgba(255, 43, 214, 0.2) 0%,
    rgba(168, 85, 247, 0.1) 40%,
    transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease, transform 0.4s ease;
  transform: scale(0.8);
  z-index: 1;
}

.nav-logo:hover::before {
  opacity: 1;
  transform: scale(1);
  animation: logoGlowPulse 1.5s ease-in-out infinite alternate;
}

.nav-logo:hover .nav-logo-img {
  filter: drop-shadow(0 0 15px rgba(255, 43, 214, 0.6))
          drop-shadow(0 0 30px rgba(168, 85, 247, 0.3));
  transform: scale(1.05);
}

@keyframes logoGlowPulse {
  0% {
    background: radial-gradient(ellipse,
      rgba(255, 43, 214, 0.25) 0%,
      rgba(168, 85, 247, 0.12) 40%,
      transparent 70%);
  }
  50% {
    background: radial-gradient(ellipse,
      rgba(168, 85, 247, 0.3) 0%,
      rgba(255, 43, 214, 0.15) 40%,
      transparent 70%);
  }
  100% {
    background: radial-gradient(ellipse,
      rgba(255, 43, 214, 0.25) 0%,
      rgba(168, 85, 247, 0.12) 40%,
      transparent 70%);
  }
}

@media (max-width: 768px) {
  .nav-logo-img {
    height: 60px;
  }
}

/* ── Offset fixed header ─────────────────────────────────── */
#main {
  padding-top: 80px;
}
@media (max-width: 768px) {
  #main { padding-top: 60px; }
}

/* ── Primary nav ─────────────────────────────────────────── */
.site-nav {
  display: none;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
}
@media (min-width: 1024px) {
  .site-nav { display: flex; }
}

.site-nav a {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  color: var(--bxf-text-dim);
  transition: color 0.2s;
}

.nav-cta {
  margin-left: 1.5rem;
  display: none;
}
@media (min-width: 1024px) {
  .nav-cta { display: inline-flex; }
}
.mobile-nav .nav-cta {
  display: block;
  margin-left: 0;
}
.site-nav a:hover { color: var(--bxf-magenta); }

/* Services dropdown */
.nav-dropdown {
  position: relative;
}
.nav-dropdown > a::after {
  content: ' ▾';
  font-size: 0.7rem;
}
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  background: var(--bxf-bg-panel-2);
  border: 1px solid var(--bxf-border);
  border-radius: var(--bxf-radius);
  padding: var(--bxf-space-2) 0;
  min-width: 200px;
  box-shadow: var(--bxf-glow-violet);
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  display: block;
}
.nav-dropdown-menu a {
  display: block;
  padding: var(--bxf-space-2) var(--bxf-space-4);
  font-size: 0.875rem;
  color: var(--bxf-text-dim);
}
.nav-dropdown-menu a:hover {
  background: rgba(168, 85, 247, 0.1);
  color: var(--bxf-magenta);
}

/* ── Mobile hamburger (CSS-only checkbox hack) ──────────── */
.nav-toggle { display: none; }
.nav-toggle-label {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 20px;
  cursor: pointer;
  z-index: 110;
}
@media (min-width: 1024px) {
  .nav-toggle-label { display: none; }
}

.nav-toggle-label span {
  display: block;
  height: 2px;
  background: var(--bxf-text-dim);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

.nav-toggle:checked + .nav-toggle-label span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.nav-toggle:checked + .nav-toggle-label span:nth-child(2) {
  opacity: 0;
}
.nav-toggle:checked + .nav-toggle-label span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--bxf-bg-panel);
  border-top: 1px solid var(--bxf-border);
  padding: var(--bxf-space-6) var(--bxf-space-4);
  gap: var(--bxf-space-4);
}
.nav-toggle:checked ~ .mobile-nav {
  display: flex;
}
@media (min-width: 1024px) {
  .mobile-nav { display: none !important; }
}

.mobile-nav a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--bxf-text-dim);
  padding-block: var(--bxf-space-2);
  border-bottom: 1px solid var(--bxf-border);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a:hover { color: var(--bxf-magenta); }

.mobile-nav-group-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bxf-text-muted);
  padding-bottom: var(--bxf-space-1);
}

/* ── Footer ─────────────────────────────────────────────── */
.site-footer {
  background: var(--bxf-bg-panel);
  border-top: 1px solid var(--bxf-border);
  padding-block: var(--bxf-space-16) var(--bxf-space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--bxf-space-8);
  margin-bottom: var(--bxf-space-12);
}
@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
}

.footer-col-title {
  font-family: var(--bxf-font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bxf-magenta);
  margin-bottom: var(--bxf-space-4);
}

.footer-col p { font-size: 0.875rem; margin-bottom: var(--bxf-space-3); }

.footer-col ul { display: flex; flex-direction: column; gap: var(--bxf-space-2); }
.footer-col ul a {
  font-size: 0.875rem;
  color: var(--bxf-text-dim);
  transition: color 0.2s;
}
.footer-col ul a:hover { color: var(--bxf-magenta); }

.footer-bottom {
  border-top: 1px solid var(--bxf-border);
  padding-top: var(--bxf-space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--bxf-space-2);
  text-align: center;
}
@media (min-width: 640px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}

.footer-bottom p { font-size: 0.8125rem; color: var(--bxf-text-muted); margin: 0; }