:root {
  --accent: #00F0FF;
  --accent-dim: #00F0FF12;
  --accent-glow: #00F0FF25;
  --bg: #080c0e;
  --surface: #0d1214;
  --surface-hover: #141c20;
  --text: #e8eaed;
  --text-dim: #6b7280;
  --border: #1c2428;
  --font-body: 'IBM Plex Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-display: 'Instrument Serif', serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-width: thin; scrollbar-color: #00F0FF var(--bg); }
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #253035; border-radius: 3px; }
::selection { background: var(--accent); color: var(--bg); }

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

/* ── Animations ── */
@keyframes blink      { 0%,100%{opacity:1} 50%{opacity:0} }
@keyframes pulse      { 0%,100%{box-shadow:0 0 0 0 #00F0FF} 50%{box-shadow:0 0 0 8px rgba(0,240,255,0)} }
@keyframes scanline   { 0%{top:-100%} 100%{top:200%} }
@keyframes float1     { 0%,100%{transform:rotate(45deg) translateY(0)} 50%{transform:rotate(45deg) translateY(-14px)} }
@keyframes float2     { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
@keyframes fadeUp     { from{opacity:0;transform:translateY(36px)} to{opacity:1;transform:translateY(0)} }
@keyframes termLine   { from{opacity:0;transform:translateX(-16px)} to{opacity:1;transform:translateX(0)} }
@keyframes gridFade   { from{opacity:0} to{opacity:0.04} }
@keyframes pageIn     { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }

/* ── Reveal on scroll ── */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.75s cubic-bezier(.22,1,.36,1), transform 0.75s cubic-bezier(.22,1,.36,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }
.reveal.d5 { transition-delay: 0.40s; }
.reveal.d6 { transition-delay: 0.48s; }

/* ── Page entrance ── */
.page-enter {
  animation: pageIn 0.6s cubic-bezier(.22,1,.36,1) forwards;
}

/* ── Scanline overlay ── */
.scanline-overlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 999; overflow: hidden; opacity: 0.025;
}
.scanline-overlay::before {
  content: ''; position: absolute; left: 0; right: 0; height: 50%;
  background: linear-gradient(transparent, #00F0FF, transparent);
  animation: scanline 8s linear infinite;
}

/* ── Cursor glow ── */
.cursor-glow {
  position: fixed; width: 440px; height: 440px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,240,255,0.08) 0%, transparent 70%);
  pointer-events: none; z-index: 998;
  transition: left .25s ease-out, top .25s ease-out;
  transform: translate(-50%, -50%);
}

/* ── Navigation ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1001;
  padding: 14px 40px;
  background: rgba(8,12,14,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
.nav-logo {
  font-family: var(--font-mono); font-size: 13px; font-weight: 700;
  letter-spacing: 1.5px; text-decoration: none; color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.nav-logo .dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); animation: pulse 2s infinite;
}
.nav-logo .prefix { color: var(--accent); }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--text-dim); text-decoration: none;
  transition: color .3s; position: relative; cursor: pointer;
}
.nav-links a:hover,
.nav-links a.active { color: var(--accent); }
.nav-links a.active::after {
  content: ''; position: absolute; bottom: -6px; left: 50%; transform: translateX(-50%);
  width: 3px; height: 3px; border-radius: 50%; background: var(--accent);
}

.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; transition: all .3s; }

/* ── Sections ── */
section { padding: 120px 64px; position: relative; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-label {
  font-family: var(--font-mono); font-size: 11px; color: var(--accent);
  letter-spacing: 3px; text-transform: uppercase; margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display); font-size: clamp(34px, 5vw, 42px);
  font-weight: 400; line-height: 1.2; margin-bottom: 56px;
}
.section-title em { color: var(--accent); font-style: italic; }

/* ── Buttons ── */
.btn {
  display: inline-block; padding: 13px 32px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 2px;
  text-transform: uppercase; text-decoration: none; cursor: pointer;
  transition: all .3s; border-radius: 0;
}
.btn-primary { border: 1px solid var(--accent); background: transparent; color: var(--accent); }
.btn-primary:hover { background: var(--accent); color: var(--bg); }
.btn-ghost { border: 1px solid var(--border); background: transparent; color: var(--text-dim); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ── Hero ── */
#hero { min-height: 100vh; display: flex; align-items: center; padding-top: 100px; }
.hero-grid-bg {
  position: absolute; inset: 0; opacity: 0;
  background-image:
    linear-gradient(var(--accent) 1px, transparent 1px),
    linear-gradient(90deg, var(--accent) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridFade 1.5s .3s forwards;
}
.hero-shape-1 {
  position: absolute; top: 18%; right: 10%; width: 200px; height: 200px;
  border: 1px solid var(--border); animation: float1 7s ease-in-out infinite; opacity: .22;
}
.hero-shape-2 {
  position: absolute; bottom: 25%; right: 18%; width: 80px; height: 80px;
  border: 1px solid #00F0FF; border-radius: 50%;
  animation: float2 5s ease-in-out infinite 1s; opacity: .3;
}
.hero-content { max-width: 880px; position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; margin-bottom: 28px;
  border: 1px solid var(--border); background: var(--surface); border-radius: 2px;
  font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: 1px;
}
.hero-badge .bdot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.hero-name {
  font-family: var(--font-display); font-size: clamp(52px, 8vw, 100px);
  font-weight: 400; line-height: 1.05; margin-bottom: 12px; letter-spacing: -1px;
}
.hero-name em { color: var(--accent); font-style: italic; }
.hero-typed {
  font-family: var(--font-mono); font-size: 15px; color: var(--text-dim);
  margin-bottom: 32px; min-height: 24px;
}
.hero-typed .cursor { animation: blink 1s infinite; color: var(--accent); }
.hero-desc { font-size: 17px; line-height: 1.8; color: var(--text-dim); max-width: 560px; margin-bottom: 40px; }
.hero-stats {
  margin-top: 64px; display: flex; gap: 48px;
  font-family: var(--font-mono); font-size: 11px; color: var(--text-dim);
}
.hero-stats .num { font-size: 26px; font-weight: 700; color: var(--text); display: block; margin-bottom: 4px; }
.hero-clock {
  position: absolute; bottom: 36px; right: 64px;
  font-family: var(--font-mono); font-size: 11px; color: var(--text-dim);
}

/* ── About ── */
#about { border-top: 1px solid var(--border); }
.about-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 80px; }
#about p { font-size: 16px; line-height: 1.9; color: var(--text-dim); margin-bottom: 24px; }
#about strong { color: var(--text); }

.terminal {
  background: var(--surface); border: 1px solid var(--border); padding: 20px 24px;
  border-radius: 2px; margin-top: 16px;
}
.terminal-dots { display: flex; gap: 6px; margin-bottom: 16px; }
.terminal-dots span { width: 10px; height: 10px; border-radius: 50%; opacity: .7; }
.terminal-line {
  font-family: var(--font-mono); font-size: 13px; line-height: 2.1;
  opacity: 0; transform: translateX(-16px);
  animation: termLine .5s forwards;
}
.terminal-line .prompt { color: var(--accent); }
.terminal-line .val { color: var(--text-dim); }
.tl1{animation-delay:.2s} .tl2{animation-delay:.35s} .tl3{animation-delay:.5s}
.tl4{animation-delay:.65s} .tl5{animation-delay:.8s}

/* ── Skills ── */
#skills { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.skill-card {
  border: 1px solid var(--border); padding: 32px 24px; border-radius: 2px;
  background: var(--surface); transition: all .4s;
}
.skill-card:hover { border-color: var(--accent); background: var(--surface-hover); }
.skill-card .icon { font-size: 28px; margin-bottom: 18px; color: var(--accent); }
.skill-card h3 {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 2px;
  text-transform: uppercase; margin-bottom: 22px;
}
.skill-item {
  display: flex; align-items: center; gap: 10px; font-size: 13.5px;
  color: var(--text-dim); padding: 5px 0;
}
.skill-item::before { content: '▸'; color: var(--accent); font-size: 10px; flex-shrink: 0; }

.certs-title {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 2px;
  text-transform: uppercase; margin-bottom: 20px; color: var(--text-dim);
}
.certs-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 56px; }
.cert-item {
  border: 1px solid var(--border); padding: 16px 18px; border-radius: 2px;
  display: flex; align-items: center; gap: 12px; transition: all .3s;
}
.cert-item:hover { border-color: var(--accent); }
.cert-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.cert-dot.done     { background: var(--accent); }
.cert-dot.progress { background: #ffbd2e; }
.cert-dot.planned  { background: var(--text-dim); opacity: .4; }
.cert-item span { font-size: 12.5px; font-family: var(--font-mono); }
.cert-item.dim span { color: var(--text-dim); }

/* ── Projects ── */
#projects { border-top: 1px solid var(--border); }
.projects-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.projects-table thead th {
  text-align: left; padding: 14px 16px; border-bottom: 2px solid var(--accent);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 2px;
  text-transform: uppercase; color: var(--accent);
}
.projects-table tbody tr { border-bottom: 1px solid var(--border); }
.projects-table tbody tr:hover { background: var(--surface); }
.projects-table td { padding: 14px 16px; }
.badge {
  padding: 3px 10px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 1px;
}
.badge-pro   { border: 1px solid var(--accent); color: var(--accent); }
.badge-perso { border: 1px solid var(--border); color: var(--text-dim); }
.td-tech  { color: var(--text-dim); }
.td-year  { font-family: var(--font-mono); color: var(--accent); }

/* ── Veille ── */
#veille { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.veille-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.veille-card {
  border: 1px solid var(--border); padding: 32px 24px; border-radius: 2px; transition: all .4s;
}
.veille-card:hover { border-color: var(--accent); }
.veille-card .vicon { font-size: 24px; margin-bottom: 16px; }
.veille-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 12px; }
.veille-card p { font-size: 13.5px; line-height: 1.8; color: var(--text-dim); }

/* ── Contact ── */
#contact { border-top: 1px solid var(--border); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.contact-desc { font-size: 16px; line-height: 1.8; color: var(--text-dim); margin-bottom: 48px; }
.contact-item {
  display: flex; align-items: center; gap: 16px; margin-bottom: 20px;
  cursor: pointer; transition: color .3s; text-decoration: none; color: inherit;
}
.contact-item:hover { color: var(--accent); }
.contact-icon {
  width: 42px; height: 42px; display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); font-size: 15px; color: var(--accent); flex-shrink: 0;
}
.contact-label {
  font-family: var(--font-mono); font-size: 10px; color: var(--text-dim);
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 2px;
}
.contact-val { font-size: 14px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  font-family: var(--font-mono); font-size: 10px; color: var(--text-dim);
  letter-spacing: 2px; text-transform: uppercase; display: block; margin-bottom: 7px;
}
.form-group input,
.form-group textarea {
  width: 100%; padding: 12px 14px; background: transparent;
  border: 1px solid var(--border); color: var(--text); font-size: 14px;
  font-family: var(--font-body); outline: none; transition: border-color .3s;
}
.form-group textarea { resize: vertical; }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }

/* ── Footer ── */
footer {
  padding: 36px 64px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: 11px; color: var(--text-dim);
}
footer .status-dot { color: var(--accent); }

/* ── Page header (inner pages) ── */
.page-header {
  padding: 160px 64px 80px;
  border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.page-header-bg {
  position: absolute; inset: 0; opacity: 0.03;
  background-image:
    linear-gradient(var(--accent) 1px, transparent 1px),
    linear-gradient(90deg, var(--accent) 1px, transparent 1px);
  background-size: 60px 60px;
}
.page-header-inner { max-width: 1100px; margin: 0 auto; position: relative; z-index: 1; }
.page-num {
  font-family: var(--font-mono); font-size: 80px; font-weight: 700;
  color: var(--border); position: absolute; right: 0; top: -20px;
  line-height: 1; pointer-events: none; user-select: none;
}

/* ── Responsive ── */
@media(max-width: 768px) {
  .hamburger { display: block; }
  .nav-links {
    position: fixed; top: 54px; left: 0; right: 0; background: rgba(8,12,14,.97);
    flex-direction: column; align-items: center; gap: 0; padding: 20px 0;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%); transition: transform .4s cubic-bezier(.22,1,.36,1);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 14px 0; font-size: 13px; }
}
@media(max-width: 1024px) {
  section { padding: 80px 32px; }
  .page-header { padding: 140px 32px 60px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .certs-grid { grid-template-columns: 1fr 1fr; }
  .veille-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-clock { display: none; }
  .hero-stats { gap: 32px; flex-wrap: wrap; }
  .page-num { font-size: 60px; opacity: 0.5; }
}
@media(max-width: 640px) {
  section { padding: 64px 20px; }
  nav { padding: 14px 20px; }
  .page-header { padding: 120px 20px 48px; }
  .skills-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 8px; text-align: center; padding: 28px 20px; }
  .hero-shape-1, .hero-shape-2 { display: none; }
  .page-num { display: none; }
}