/* ═══════════════════════════════════════════════════════════════
   BQB Studio — Julien Borer
   ═══════════════════════════════════════════════════════════════ */

:root {
  --bg: #0a0a0a;
  --bg-card: #141414;
  --bg-surface: #1a1a1a;
  --bg-hover: #1e1e1e;
  --text: #f3f2f5;
  --text-sec: #a0a0a0;
  --text-muted: #555;
  --accent: #6effdc;
  --accent-hover: #50e0c0;
  --accent-dim: rgba(110,255,220,.1);
  --border: #222;
  --font: 'DM Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 4px 20px rgba(0,0,0,.4);
  --transition: 150ms ease;
  --max-w: 1100px;
  --header-h: 64px;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul, ol { list-style: none; }

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; color: var(--text); }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; letter-spacing: -.03em; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); letter-spacing: -.02em; }
h3 { font-size: clamp(1rem, 2vw, 1.3rem); }
p { color: var(--text-sec); }

.text-accent { color: var(--accent); }
.text-mono { font-family: var(--font-mono); }
.text-sm { font-size: .875rem; }

/* ── Layout ────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section--alt { background: var(--bg-card); }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font); font-weight: 600; font-size: .85rem;
  padding: 12px 24px; border-radius: var(--radius); border: none;
  cursor: pointer; transition: all var(--transition);
  text-decoration: none; text-transform: lowercase; letter-spacing: .02em;
}
.btn:hover { transform: translateY(-1px); }

.btn-accent {
  background: var(--accent); color: var(--bg);
}
.btn-accent:hover { background: var(--accent-hover); }

.btn-outline {
  background: transparent; color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-ghost { background: transparent; color: var(--text-sec); padding: 8px 0; }
.btn-ghost:hover { color: var(--accent); }

/* ── Header ────────────────────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(10,10,10,.85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; height: 100%;
}
.header-logo {
  display: flex; align-items: center;
}
.header-logo-img {
  height: 40px; width: auto; display: block;
  filter: brightness(0) invert(1);
  opacity: .85;
  transition: opacity var(--transition);
}
.header-logo-img:hover { opacity: 1; }
.header-nav { display: flex; gap: 8px; }
.nav-link {
  padding: 6px 14px; border-radius: var(--radius);
  font-size: .85rem; font-weight: 500; color: var(--text-sec);
  text-transform: lowercase; transition: all var(--transition);
}
.nav-link:hover { color: var(--text); }
.nav-link.active { color: var(--accent); }

.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; color: var(--text); }
.mobile-toggle i { width: 20px; height: 20px; }
.toggle-close { display: none; }
.mobile-toggle.open .toggle-open { display: none; }
.mobile-toggle.open .toggle-close { display: block; }

@media (max-width: 768px) {
  .header-nav { display: none; }
  .mobile-toggle { display: flex; }
}

/* ── Mobile Drawer ─────────────────────────────────────────── */
.mobile-drawer {
  position: fixed; inset: 0; z-index: 99;
  pointer-events: none; opacity: 0;
  transition: opacity .25s;
}
.mobile-drawer.open { pointer-events: all; opacity: 1; }
.mobile-drawer-backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.6);
}
.mobile-drawer-panel {
  position: absolute; right: 0; top: 0; bottom: 0;
  width: min(300px, 80vw);
  background: var(--bg-card);
  transform: translateX(100%);
  transition: transform .3s cubic-bezier(.22,1,.36,1);
  padding-top: calc(var(--header-h) + 16px);
  display: flex; flex-direction: column;
}
.mobile-drawer.open .mobile-drawer-panel { transform: translateX(0); }
.mobile-link {
  display: block; padding: 16px 24px;
  font-size: 1rem; font-weight: 500; color: var(--text-sec);
  text-transform: lowercase;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}
.mobile-link:hover { color: var(--accent); }

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  padding: calc(var(--header-h) + 80px) 0 80px;
  position: relative;
}
.hero h1 { margin-bottom: 20px; max-width: 700px; }
.hero p.hero-sub {
  font-size: clamp(.95rem, 2vw, 1.1rem); color: var(--text-sec);
  max-width: 560px; line-height: 1.7; margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ── Section Labels ───────────────────────────────────────── */
.section-label {
  font-family: var(--font-mono); font-size: .75rem; font-weight: 500;
  color: var(--accent); text-transform: uppercase; letter-spacing: .1em;
  margin-bottom: 16px;
}
.section-head { margin-bottom: 48px; }
.section-head h2 { margin-bottom: 12px; }
.section-head p { font-size: 1rem; max-width: 560px; line-height: 1.7; }

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  padding: 28px; border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all .2s;
}
.card:hover {
  border-color: var(--accent-dim);
  background: var(--bg-hover);
  transform: translateY(-2px);
}
.card-icon {
  width: 40px; height: 40px; border-radius: var(--radius);
  background: var(--accent-dim);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); margin-bottom: 16px;
}
.card-icon i { width: 20px; height: 20px; }
.card h3 { margin-bottom: 8px; }
.card p { font-size: .85rem; line-height: 1.6; }

/* ── Project Cards ─────────────────────────────────────────── */
.project-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  overflow: hidden;
  transition: all .2s;
}
.project-card:hover {
  border-color: rgba(110,255,220,.2);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.project-thumb {
  height: 200px; background: var(--bg-surface);
  overflow: hidden;
}
.project-thumb img { width: 100%; height: 100%; object-fit: cover; }
.project-body { padding: 20px; }
.project-tag {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: .7rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .05em; margin-bottom: 10px;
}
.tag-tech { background: var(--accent-dim); color: var(--accent); }
.tag-lighting { background: rgba(255,200,50,.1); color: #ffc832; }
.project-card h3 { font-size: 1rem; margin-bottom: 6px; }
.project-card p { font-size: .8rem; }

/* ── Showcase ──────────────────────────────────────────────── */
.showcase {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  align-items: center; padding: 40px 0;
}
.showcase.reverse { direction: rtl; }
.showcase.reverse > * { direction: ltr; }
.showcase-text h3 { font-size: 1.3rem; margin-bottom: 12px; }
.showcase-text p { font-size: .9rem; line-height: 1.7; margin-bottom: 16px; }
.showcase-text ul { display: flex; flex-direction: column; gap: 8px; }
.showcase-text li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .85rem; color: var(--text-sec);
}
.showcase-text li i { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; margin-top: 3px; }
.showcase-img { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); position: relative; }
.showcase-img img { border-radius: var(--radius-lg); position: relative; z-index: 1; }

/* Glow auras for project images */
.amassa-glow, .lighting-glow, .portals-glow, .desk-glow {
  position: relative;
  overflow: visible;
}
.amassa-glow::before, .lighting-glow::before, .portals-glow::before, .desk-glow::before {
  content: '';
  position: absolute;
  inset: -20px;
  z-index: 0;
  border-radius: var(--radius-lg);
  opacity: .35;
  filter: blur(40px);
  pointer-events: none;
}
.amassa-glow::before {
  background: linear-gradient(135deg, #4a1a8a 0%, #c74488 35%, #f97316 70%, #fbbf24 100%);
}
.lighting-glow::before {
  background: linear-gradient(135deg, #1a3a8a 0%, #3b82f6 40%, #6effdc 100%);
  opacity: .3;
}
.portals-glow::before {
  background: linear-gradient(135deg, #8b1aff 0%, #ff1a8b 50%, #ff6b1a 100%);
  opacity: .3;
}
.desk-glow::before {
  background: linear-gradient(135deg, #0a4a3a 0%, #6effdc 50%, #3b82f6 100%);
  opacity: .25;
}

@media (max-width: 768px) {
  .showcase, .showcase.reverse { grid-template-columns: 1fr; gap: 24px; direction: ltr; }
}

/* ── Skills Pills ─────────────────────────────────────────── */
.skills { display: flex; flex-wrap: wrap; gap: 8px; }
.skill {
  padding: 6px 14px; border-radius: 999px;
  font-size: .75rem; font-weight: 600;
  border: 1px solid var(--border);
  color: var(--text-sec);
  transition: all var(--transition);
}
.skill:hover { border-color: var(--accent); color: var(--accent); }

/* ── Contact Form ──────────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: .8rem; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--border);
  border-radius: var(--radius); font-family: var(--font); font-size: .9rem;
  color: var(--text); background: var(--bg-surface);
  transition: border-color var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(110,255,220,.08);
}
.form-textarea { min-height: 120px; resize: vertical; }
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }

/* ── About ─────────────────────────────────────────────────── */
.about-text { max-width: 680px; }
.about-text p { font-size: 1rem; line-height: 1.8; margin-bottom: 20px; }

/* ── Divider ───────────────────────────────────────────────── */
.divider { border: none; border-top: 1px solid var(--border); margin: 60px 0; }

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  font-size: .8rem; color: var(--text-muted);
}
.footer-left { display: flex; align-items: center; gap: 12px; }
.footer-right { display: flex; align-items: center; gap: 16px; }
.footer-sep { color: var(--border); }
.footer-name { font-weight: 600; color: var(--text-sec); }
.footer-link { color: var(--text-muted); transition: color var(--transition); }
.footer-link:hover { color: var(--accent); }
@media (max-width: 768px) {
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}

/* ── Animations ────────────────────────────────────────────── */
.fade-in {
  opacity: 0; transform: translateY(16px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

.stagger > *:nth-child(1) { transition-delay: .05s; }
.stagger > *:nth-child(2) { transition-delay: .1s; }
.stagger > *:nth-child(3) { transition-delay: .15s; }
.stagger > *:nth-child(4) { transition-delay: .2s; }
.stagger > *:nth-child(5) { transition-delay: .25s; }
.stagger > *:nth-child(6) { transition-delay: .3s; }