/* ============================================================
   PORTFOLIO – style.css
   Aesthetic: Techno-minimaliste sombre, accents vert terminal
   ============================================================ */

/* ── Variables – Light theme (défaut) ── */
:root, [data-theme="light"] {
  --bg: #f4f5f7;
  --bg2: #eceef2;
  --bg3: #e4e7ed;
  --surface: #ffffff;
  --surface2: #f0f2f6;
  --border: #d8dce6;
  --border2: #c4cad8;
  --accent: #1a9e52;
  --accent2: #168042;
  --accent-dim: rgba(26, 158, 82, 0.10);
  --accent-glow: rgba(26, 158, 82, 0.22);
  --text: #111827;
  --text2: #4b5563;
  --text3: #9ca3af;
  --red: #ef4444;
  --yellow: #f59e0b;
  --green: #22c55e;
  --font-mono: 'Space Mono', monospace;
  --font-sans: 'DM Sans', sans-serif;
  --radius: 12px;
  --radius-sm: 6px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Variables – Dark theme ── */
[data-theme="dark"] {
  --bg: #0a0b0d;
  --bg2: #0f1115;
  --bg3: #151820;
  --surface: #181c22;
  --surface2: #1f2430;
  --border: #232a36;
  --border2: #2e3847;
  --accent: #39e07a;
  --accent2: #2bc46a;
  --accent-dim: rgba(57, 224, 122, 0.12);
  --accent-glow: rgba(57, 224, 122, 0.25);
  --text: #e8edf3;
  --text2: #8b95a5;
  --text3: #505c6e;
  --red: #ff5f57;
  --yellow: #ffbd2e;
  --green: #27c93f;
}

/* ── Theme transition ── */
html {
  transition: background-color 0.4s ease, color 0.4s ease;
}
*, *::before, *::after {
  transition: background-color 0.4s ease, border-color 0.4s ease, color 0.4s ease, box-shadow 0.4s ease;
}
/* Exclude animation-heavy elements from slow transitions */
.cursor, .cursor-follower, .skill-fill, .scroll-line::after {
  transition: none !important;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── Custom cursor ── */
.cursor {
  position: fixed;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, width 0.2s, height 0.2s, opacity 0.2s;
}
.cursor-follower {
  position: fixed;
  width: 32px; height: 32px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.18s ease, width 0.3s, height 0.3s, opacity 0.3s;
  opacity: 0.4;
}
.cursor.hover { width: 14px; height: 14px; }
.cursor-follower.hover { width: 48px; height: 48px; opacity: 0.2; }

/* ── Background ── */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}
[data-theme="dark"] .bg-grid {
  background-image:
    linear-gradient(rgba(57,224,122,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57,224,122,0.03) 1px, transparent 1px);
}
.bg-glow {
  position: fixed;
  top: -20vh; right: -10vw;
  width: 60vw; height: 60vh;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ── Theme toggle button ── */
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.theme-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px;
  cursor: none;
  font-size: 1rem;
  line-height: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition) !important;
}
.theme-toggle:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--accent-glow);
}
.theme-icon { font-size: 1rem; }

/* ── Section base ── */
section {
  position: relative;
  z-index: 1;
  padding: 100px clamp(24px, 8vw, 120px);
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.section-label .accent { color: var(--accent); }

section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 48px;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* ── Accent ── */
.accent { color: var(--accent); }

/* ── Navbar ── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(24px, 6vw, 80px);
  background: rgba(244,245,247,0.80);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
[data-theme="dark"] #navbar {
  background: rgba(10,11,13,0.75);
}
#navbar.scrolled {
  border-bottom-color: var(--border);
  background: rgba(244,245,247,0.95);
}
[data-theme="dark"] #navbar.scrolled {
  background: rgba(10,11,13,0.92);
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 36px;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text2);
  letter-spacing: 0.08em;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { width: 100%; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { display: block; width: 22px; height: 1.5px; background: var(--text2); transition: var(--transition); }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding-top: 120px;
  max-width: 1200px;
}
.hero-content { flex: 1; max-width: 600px; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(57,224,122,0.2);
  padding: 7px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
  animation: fadeUp 0.6s ease both;
}
.dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.hero-title {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 16px;
  animation: fadeUp 0.7s 0.1s ease both;
}
.hero-subtitle {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 24px;
  animation: fadeUp 0.7s 0.2s ease both;
}
.hero-desc {
  font-size: 1.05rem;
  color: var(--text2);
  max-width: 480px;
  margin-bottom: 40px;
  animation: fadeUp 0.7s 0.3s ease both;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeUp 0.7s 0.4s ease both;
}
.btn-primary {
  background: var(--accent);
  color: #0a0b0d;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.06em;
  transition: transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}
.btn-outline {
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border2);
  letter-spacing: 0.06em;
  transition: border-color var(--transition), color var(--transition);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.hero-scroll {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 64px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text3);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  animation: fadeUp 0.7s 0.5s ease both;
}
.scroll-line {
  width: 48px; height: 1px;
  background: var(--border2);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: var(--accent);
  animation: scrollSlide 2s infinite 1s;
}
@keyframes scrollSlide {
  0% { left: -100%; }
  50% { left: 0; }
  100% { left: 100%; }
}

/* Terminal – always dark, looks like a real terminal */
.hero-terminal {
  flex: 0 0 420px;
  background: #1e2229;
  border: 1px solid #2e3847;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.22);
  animation: fadeLeft 0.8s 0.3s ease both;
  font-family: var(--font-mono);
}
.terminal-bar {
  background: #2a3040;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid #2e3847;
}
.t-dot { width: 12px; height: 12px; border-radius: 50%; }
.t-dot.red { background: #ff5f57; }
.t-dot.yellow { background: #ffbd2e; }
.t-dot.green { background: #27c93f; }
.t-title { margin-left: 8px; font-size: 0.72rem; color: #505c6e; }
.terminal-body { padding: 20px; min-height: 260px; background: #1e2229; }
.t-line { display: flex; align-items: center; gap: 10px; }
.t-prompt { color: #39e07a; }
.t-cmd { color: #e8edf3; font-size: 0.85rem; }
.t-cursor { color: #39e07a; }
.blink { animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.t-output { margin-top: 12px; font-size: 0.8rem; color: #8b95a5; line-height: 1.8; }
.t-output .t-key { color: #39e07a; }
.t-output .t-val { color: #e8edf3; }
.t-output .t-sep { color: #505c6e; }

/* ── ABOUT ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-text h2 { margin-bottom: 24px; }
.about-text p { color: var(--text2); margin-bottom: 16px; font-size: 0.97rem; }
.about-text strong { color: var(--text); font-weight: 500; }
.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(26, 158, 82, 0.25);
  padding: 5px 14px;
  border-radius: 100px;
  letter-spacing: 0.06em;
}
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color var(--transition), transform var(--transition);
}
.stat-card:hover {
  border-color: var(--border2);
  transform: translateY(-4px);
}
.accent-card {
  background: var(--accent-dim);
  border-color: rgba(57,224,122,0.25);
}
.stat-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text2);
  line-height: 1.4;
}

/* ── SKILLS ── */
#skills { background: var(--bg2); }
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.skill-group-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.skill-group-title.mt { margin-top: 36px; }
.skill-list { display: flex; flex-direction: column; gap: 14px; }
.skill-item { display: flex; align-items: center; gap: 16px; }
.skill-name {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text);
  min-width: 110px;
}
.skill-bar {
  flex: 1;
  height: 3px;
  background: var(--surface2);
  border-radius: 2px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  border-radius: 2px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.skill-fill.animated { width: var(--w); }
.skill-badges { display: flex; flex-wrap: wrap; gap: 10px; }
.badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text2);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.badge:hover {
  color: var(--accent);
  border-color: rgba(57,224,122,0.3);
  background: var(--accent-dim);
}

/* ── PROJECTS ── */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.project-card:hover {
  border-color: var(--border2);
  transform: translateY(-5px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}
.project-card:hover::before { opacity: 1; }
.project-card.featured {
  grid-column: span 2;
  background: var(--bg3);
  border-color: var(--border2);
}
.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.project-icon { font-size: 1.8rem; }
.project-links { display: flex; align-items: center; gap: 12px; }
.project-link {
  color: var(--text3);
  transition: color var(--transition);
  display: flex;
  align-items: center;
}
.project-link:hover { color: var(--accent); }
.project-link svg { width: 20px; height: 20px; }
.project-badge-prod {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(57,224,122,0.25);
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.08em;
}
.project-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}
.project-subtitle {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.06em;
}
.project-desc {
  font-size: 0.9rem;
  color: var(--text2);
  flex: 1;
}
.project-desc strong { color: var(--text); font-weight: 500; }
.project-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.ptag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text3);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.06em;
}
.project-cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-top: 8px;
  transition: gap var(--transition);
  display: inline-block;
}
.project-cta:hover { text-decoration: underline; }

/* ── LOOKING FOR ── */
#looking {
  background: linear-gradient(135deg, var(--bg2) 0%, var(--bg) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.looking-inner { max-width: 900px; }
.looking-desc { color: var(--text2); font-size: 1rem; margin-bottom: 40px; }
.looking-desc strong { color: var(--accent); font-weight: 500; }
.looking-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.looking-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color var(--transition), transform var(--transition);
}
.looking-card:hover { border-color: rgba(57,224,122,0.3); transform: translateY(-4px); }
.looking-icon { font-size: 2rem; margin-bottom: 14px; }
.looking-card h4 { font-size: 1rem; font-weight: 500; margin-bottom: 10px; color: var(--text); }
.looking-card p { font-size: 0.87rem; color: var(--text2); }

/* ── CONTACT ── */
#contact { text-align: center; }
.contact-inner { max-width: 700px; margin: 0 auto; }
.contact-inner p { color: var(--text2); margin-bottom: 48px; font-size: 1rem; }
.contact-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 36px;
  min-width: 160px;
  color: var(--text);
  transition: border-color var(--transition), transform var(--transition), color var(--transition);
  font-size: 0.95rem;
  font-weight: 500;
}
.contact-card:hover {
  border-color: rgba(57,224,122,0.4);
  transform: translateY(-5px);
  color: var(--accent);
}
.contact-handle {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text3);
  letter-spacing: 0.06em;
}

/* ── FOOTER ── */
footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 24px;
  border-top: 1px solid var(--border);
  color: var(--text3);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 2;
}
footer .accent { color: var(--accent); }
.footer-stack { opacity: 0.5; margin-top: 4px; }

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeLeft {
  from { opacity: 0; transform: translateX(32px); }
  to { opacity: 1; transform: translateX(0); }
}
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  #hero { flex-direction: column; align-items: flex-start; padding-top: 100px; gap: 48px; }
  .hero-terminal { flex: none; width: 100%; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; }
  .looking-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open { display: flex; flex-direction: column; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: var(--bg); justify-content: center; align-items: center; gap: 32px; }
  .nav-links.open a { font-size: 1.2rem; }
  .contact-links { flex-direction: column; align-items: center; }
  .contact-card { width: 100%; max-width: 280px; }
}