/* ═══════════════════════════════════
   RESET & ROOT VARIABLES
═══════════════════════════════════ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #050d1a;
  --bg2: #080f1f;
  --navy: #0a1428;
  --cyan: #00d4ff;
  --cyan2: #00a8cc;
  --violet: #7c3aed;
  --violet2: #5b21b6;
  --text: #e2e8f0;
  --text2: #94a3b8;
  --text3: #64748b;
  --glass: rgba(255,255,255,0.04);
  --glass-border: rgba(255,255,255,0.08);
  --glow-c: 0 0 30px rgba(0,212,255,0.25);
  --glow-v: 0 0 30px rgba(124,58,237,0.25);
  --font-display: 'Syne', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --font-body: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  cursor: none;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ═══════════════════════════════════
   CUSTOM CURSOR
═══════════════════════════════════ */
#cursor {
  position: fixed;
  width: 10px; height: 10px;
  background: var(--cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.1s ease;
  mix-blend-mode: screen;
}
#cursor-ring {
  position: fixed;
  width: 36px; height: 36px;
  border: 1.5px solid rgba(0,212,255,0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transition: transform 0.25s ease, width 0.2s, height 0.2s, border-color 0.2s;
  transform: translate(-50%, -50%);
}
body:hover #cursor { transform: translate(-50%, -50%); }

/* ═══════════════════════════════════
   SCROLLBAR
═══════════════════════════════════ */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--violet); border-radius: 2px; }

/* ═══════════════════════════════════
   NAVIGATION
═══════════════════════════════════ */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 5%;
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
  transition: background 0.3s, box-shadow 0.3s;
}
nav.scrolled {
  background: rgba(5,13,26,0.85);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--glass-border);
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--cyan); }
.nav-links {
  display: flex; gap: 2rem; list-style: none;
}
.nav-links a {
  color: var(--text2);
  text-decoration: none;
  font-size: 0.875rem;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1px; background: var(--cyan);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s;
}
.nav-links a:hover { color: var(--cyan); }
.nav-links a:hover::after { transform: scaleX(1); }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: none; background: none; border: none; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed;
  top: 68px; left: 0; right: 0; bottom: 0;
  background: rgba(5,13,26,0.97);
  backdrop-filter: blur(20px);
  flex-direction: column; align-items: center; justify-content: center;
  gap: 2.5rem; z-index: 999;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--cyan); }

/* ═══════════════════════════════════
   HERO SECTION
═══════════════════════════════════ */
#hero {
  position: relative;
  width: 100%; height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
#particles-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.hero-content {
  position: relative; z-index: 2;
  text-align: center; padding: 0 5%;
}
.hero-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  padding: 0.4rem 1rem;
  border: 1px solid rgba(0,212,255,0.3);
  border-radius: 100px;
  background: rgba(0,212,255,0.05);
}
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.7) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-name .accent { 
  background: linear-gradient(135deg, var(--cyan) 0%, var(--violet) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 2vw, 1.15rem);
  color: var(--text2);
  margin-bottom: 3rem;
  min-height: 1.6em;
}
.typing-cursor {
  display: inline-block;
  width: 2px; height: 1.1em;
  background: var(--cyan);
  margin-left: 3px;
  vertical-align: middle;
  animation: blink 0.9s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-ctas {
  display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #fff;
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: none;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,212,255,0.3);
}
.btn-outline {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 2rem;
  border: 1px solid var(--glass-border);
  color: var(--text2);
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 8px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  transition: transform 0.2s, border-color 0.2s, color 0.2s;
  cursor: none;
}
.btn-outline:hover {
  transform: translateY(-2px);
  border-color: rgba(124,58,237,0.5);
  color: var(--text);
}
.scroll-indicator {
  position: absolute; bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  opacity: 0.5;
}
.scroll-indicator span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text3);
}
.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--text3), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 0.5; }
  50% { transform: scaleY(0.5); opacity: 0.2; }
}

/* ═══════════════════════════════════
   SECTIONS COMMON
═══════════════════════════════════ */
section { padding: 6rem 5%; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
.section-line {
  width: 60px; height: 3px;
  background: linear-gradient(to right, var(--cyan), var(--violet));
  border-radius: 2px;
  margin-bottom: 3.5rem;
}
.container { max-width: 1200px; margin: 0 auto; }

/* Fade-in on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ═══════════════════════════════════
   À PROPOS
═══════════════════════════════════ */
#apropos { background: var(--bg2); }
.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  align-items: center;
}
.about-avatar-wrap {
  position: relative;
}
.about-avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 20px;
  background: var(--navy);
  border: 1px solid var(--glass-border);
  overflow: hidden;
  position: relative;
}
.avatar-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  display: block;
  position: relative;
  z-index: 1;
}
.avatar-ring {
  position: absolute; inset: -12px;
  border-radius: 28px;
  border: 1px solid rgba(0,212,255,0.15);
}
.about-text h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}
.about-text p {
  color: var(--text2);
  line-height: 1.8;
  margin-bottom: 1.25rem;
  font-size: 0.975rem;
}
.about-badges {
  display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2.5rem;
}
.badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.45rem 1rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--text2);
  backdrop-filter: blur(8px);
  transition: border-color 0.2s, color 0.2s;
}
.badge:hover { border-color: rgba(0,212,255,0.3); color: var(--text); }
.about-stats {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 1.5rem;
}
.stat-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 1.25rem;
  text-align: center;
  backdrop-filter: blur(10px);
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  display: block;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text3);
  margin-top: 0.25rem;
}

/* ═══════════════════════════════════
   COMPÉTENCES
═══════════════════════════════════ */
#competences { background: var(--bg); }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.skill-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 2rem;
  backdrop-filter: blur(10px);
  transition: border-color 0.3s, transform 0.3s;
}
.skill-card:hover {
  border-color: rgba(0,212,255,0.25);
  transform: translateY(-4px);
}
.skill-card-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.skill-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text);
}
.skill-pills {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.pill {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  font-weight: 500;
  transition: box-shadow 0.2s;
}
.pill-cyan {
  background: rgba(0,212,255,0.1);
  color: var(--cyan);
  border: 1px solid rgba(0,212,255,0.2);
}
.pill-cyan:hover { box-shadow: 0 0 12px rgba(0,212,255,0.3); }
.pill-violet {
  background: rgba(124,58,237,0.12);
  color: #a78bfa;
  border: 1px solid rgba(124,58,237,0.25);
}
.pill-violet:hover { box-shadow: 0 0 12px rgba(124,58,237,0.3); }
.pill-teal {
  background: rgba(20,184,166,0.1);
  color: #2dd4bf;
  border: 1px solid rgba(20,184,166,0.2);
}
.pill-teal:hover { box-shadow: 0 0 12px rgba(20,184,166,0.3); }

/* ═══════════════════════════════════
   EXPÉRIENCES — TIMELINE
═══════════════════════════════════ */
#experiences { background: var(--bg2); }
.timeline {
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute; left: 0; top: 8px; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan), var(--violet), transparent);
}
.timeline-item {
  position: relative;
  padding-left: 2rem;
  padding-bottom: 3rem;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute; left: -2.45rem; top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  border: 2px solid var(--bg2);
  box-shadow: 0 0 12px rgba(0,212,255,0.5);
}
.timeline-dot.violet {
  background: var(--violet);
  box-shadow: 0 0 12px rgba(124,58,237,0.5);
}
.timeline-dot.teal {
  background: #14b8a6;
  box-shadow: 0 0 12px rgba(20,184,166,0.5);
}
.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan);
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
}
.timeline-date.violet { color: #a78bfa; }
.timeline-date.teal { color: #2dd4bf; }
.timeline-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 1.5rem 1.75rem;
  backdrop-filter: blur(10px);
  transition: border-color 0.3s;
}
.timeline-card:hover { border-color: rgba(0,212,255,0.2); }
.timeline-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}
.timeline-card .org {
  font-size: 0.875rem;
  color: var(--text2);
  margin-bottom: 1rem;
}
.timeline-card ul {
  list-style: none; margin-bottom: 1rem;
}
.timeline-card ul li {
  font-size: 0.9rem;
  color: var(--text2);
  padding-left: 1.25rem;
  position: relative;
  margin-bottom: 0.4rem;
  line-height: 1.5;
}
.timeline-card ul li::before {
  content: '→';
  position: absolute; left: 0;
  color: var(--cyan);
  font-size: 0.8rem;
}

/* ═══════════════════════════════════
   FORMATION
═══════════════════════════════════ */
#formation { background: var(--bg); }
.edu-list { display: flex; flex-direction: column; gap: 1.25rem; }
.edu-card {
  display: flex; align-items: flex-start; gap: 1.5rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.5rem 2rem;
  backdrop-filter: blur(10px);
  transition: border-color 0.3s, transform 0.3s;
}
.edu-card:hover {
  border-color: rgba(124,58,237,0.25);
  transform: translateX(6px);
}
.edu-icon {
  font-size: 2.2rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}
.edu-years {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--violet);
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}
.edu-degree {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}
.edu-school {
  font-size: 0.875rem;
  color: var(--text2);
}
.flag { margin-left: 0.4rem; }

/* ═══════════════════════════════════
   PROJETS
═══════════════════════════════════ */
#projets { background: var(--bg2); }

.projects-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  margin-bottom: 2rem;
}

.projects-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-filter {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  padding: 0.45rem 1rem;
  border-radius: 100px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  color: var(--text2);
  cursor: none;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.project-filter:hover {
  color: var(--text);
  border-color: rgba(0, 212, 255, 0.25);
}

.project-filter.is-active {
  color: var(--text);
  border-color: rgba(0, 212, 255, 0.4);
  background: rgba(0, 212, 255, 0.08);
}

.project-filter[data-accent="violet"].is-active {
  border-color: rgba(124, 58, 237, 0.45);
  background: rgba(124, 58, 237, 0.1);
}

.project-filter[data-accent="teal"].is-active {
  border-color: rgba(20, 184, 166, 0.45);
  background: rgba(20, 184, 166, 0.1);
}

.projects-count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text3);
  letter-spacing: 0.06em;
}

.projects-showcase {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 1fr;
  gap: 1.25rem;
  align-items: stretch;
}

.project-card {
  --project-accent: var(--cyan);
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 300px;
  border-radius: 18px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card[data-accent="violet"] { --project-accent: #a78bfa; }
.project-card[data-accent="teal"] { --project-accent: #2dd4bf; }

.project-card-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 0% 0%, rgba(0, 212, 255, 0.12), transparent 55%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.project-card[data-accent="violet"] .project-card-glow {
  background: radial-gradient(ellipse 80% 60% at 0% 0%, rgba(124, 58, 237, 0.14), transparent 55%);
}

.project-card[data-accent="teal"] .project-card-glow {
  background: radial-gradient(ellipse 80% 60% at 0% 0%, rgba(20, 184, 166, 0.12), transparent 55%);
}

.project-card-inner {
  flex: 1;
  width: 100%;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  backdrop-filter: blur(12px);
  transition: border-color 0.3s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

.project-card:hover .project-card-inner {
  border-color: color-mix(in srgb, var(--project-accent) 35%, transparent);
}

.project-card:hover .project-card-glow { opacity: 1; }

.project-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.project-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.project-emoji {
  font-size: 2.25rem;
  line-height: 1;
  width: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
}

.project-index {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--text3);
}

.project-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
  text-align: right;
}

.project-category {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--project-accent);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  border: 1px solid color-mix(in srgb, var(--project-accent) 30%, transparent);
  background: color-mix(in srgb, var(--project-accent) 10%, transparent);
}

.project-year {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text3);
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
  line-height: 1.25;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--text2);
  line-height: 1.65;
  margin-bottom: 1.1rem;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: auto;
  padding-top: 0.25rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text3);
  text-decoration: none;
  transition: color 0.2s;
  cursor: none;
}

.project-link svg {
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.project-link:hover {
  color: var(--project-accent);
}

.project-link:hover svg {
  opacity: 1;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.25rem 0.65rem;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  color: var(--text3);
}

.project-card--skeleton {
  min-height: 220px;
  background: linear-gradient(
    110deg,
    var(--glass) 8%,
    rgba(255, 255, 255, 0.07) 18%,
    var(--glass) 33%
  );
  background-size: 200% 100%;
  animation: projectShimmer 1.4s linear infinite;
  border-radius: 18px;
  border: 1px solid var(--glass-border);
}

@keyframes projectShimmer {
  to { background-position: -200% 0; }
}

.projects-empty,
.projects-error {
  grid-column: 1 / -1;
  text-align: center;
  padding: 2.5rem;
  color: var(--text2);
  font-size: 0.95rem;
}

.projects-error code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--cyan);
}

/* ═══════════════════════════════════
   LANGUES
═══════════════════════════════════ */
#langues { background: var(--bg); }

.languages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.lang-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 1.75rem 1.25rem;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: border-color 0.3s, transform 0.3s;
}

.lang-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-4px);
}

.lang-flag {
  font-size: 2.25rem;
  display: block;
  margin-bottom: 0.75rem;
}

.lang-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.lang-level {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text3);
  letter-spacing: 0.04em;
}

/* ═══════════════════════════════════
   CONTACT
═══════════════════════════════════ */
#contact { background: var(--bg2); }
.contact-center {
  max-width: 680px;
  margin: 0 auto;
}
.contact-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 3rem;
  backdrop-filter: blur(16px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: ''; position: absolute;
  top: -80px; right: -80px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,0.15) 0%, transparent 70%);
}
.contact-card::after {
  content: ''; position: absolute;
  bottom: -60px; left: -60px;
  width: 160px; height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.1) 0%, transparent 70%);
}
.contact-card h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}
.contact-card > p {
  color: var(--text2);
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
}
.contact-items {
  display: flex; flex-direction: column; gap: 1rem;
  margin-bottom: 2.5rem;
  text-align: left;
}
.contact-item {
  display: flex; align-items: center; gap: 1rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
  color: var(--text2);
}
.contact-item:hover {
  border-color: rgba(0,212,255,0.25);
  background: rgba(0,212,255,0.04);
  color: var(--text);
}
.contact-item-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.icon-cyan { background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.2); }
.icon-violet { background: rgba(124,58,237,0.1); border: 1px solid rgba(124,58,237,0.2); }
.icon-teal { background: rgba(20,184,166,0.1); border: 1px solid rgba(20,184,166,0.2); }
.contact-item-text { font-size: 0.9rem; }
.contact-item-label {
  font-size: 0.73rem;
  color: var(--text3);
  margin-bottom: 0.1rem;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}
.availability {
  display: inline-flex; align-items: center; gap: 0.5rem;
  margin-bottom: 2rem;
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  background: rgba(20,184,166,0.08);
  border: 1px solid rgba(20,184,166,0.2);
  font-size: 0.82rem;
  color: #2dd4bf;
  font-family: var(--font-mono);
}
.avail-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #2dd4bf;
  animation: pulse 2s ease infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(45,212,191,0.5); }
  50% { box-shadow: 0 0 0 5px rgba(45,212,191,0); }
}

/* ═══════════════════════════════════
   FOOTER
═══════════════════════════════════ */
footer {
  background: var(--bg);
  border-top: 1px solid var(--glass-border);
  padding: 2.5rem 5%;
  display: flex;
  align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.footer-left {
  font-size: 0.85rem;
  color: var(--text3);
  font-family: var(--font-mono);
}
.footer-left span { color: var(--cyan); }
.footer-links {
  display: flex; gap: 1.5rem;
}
.footer-links a {
  font-size: 0.82rem;
  color: var(--text3);
  text-decoration: none;
  font-family: var(--font-mono);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--cyan); }

/* ═══════════════════════════════════
   RESPONSIVE
═══════════════════════════════════ */
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .languages-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  nav { padding: 0 4%; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  
  section { padding: 4.5rem 5%; }
  
  .about-grid { grid-template-columns: 1fr; }
  .about-avatar-wrap { max-width: 200px; margin: 0 auto; }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
  .stat-num { font-size: 1.75rem; }
  
  .skills-grid { grid-template-columns: 1fr; }
  .projects-showcase { grid-template-columns: 1fr; }
  .project-card { min-height: 0; }
  .languages-grid { grid-template-columns: repeat(2, 1fr); }

  .contact-card { padding: 2rem 1.5rem; }
  
  footer { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; align-items: center; }
  .about-stats { grid-template-columns: 1fr; max-width: 200px; }
}

/* ═══════════════════════════════════
   SECTION HEADER LAYOUT
═══════════════════════════════════ */
.section-header {
  margin-bottom: 0;
}