/* =====================================================================
   Nidhal Bouaziz — Portfolio
   Design system: dark-first, aurora-lit, glassmorphism, glow accents.
   Light mode available via [data-theme="light"].
   ===================================================================== */

/* ---------- Design tokens ---------- */
:root {
  /* Brand */
  --blue: #3b82f6;
  --blue-bright: #60a5fa;
  --cyan: #22d3ee;
  --violet: #8b5cf6;
  --pink: #ec4899;

  /* Gradients */
  --grad-brand: linear-gradient(120deg, #60a5fa 0%, #22d3ee 45%, #8b5cf6 100%);
  --grad-brand-soft: linear-gradient(120deg, rgba(96, 165, 250, 0.18), rgba(34, 211, 238, 0.14), rgba(139, 92, 246, 0.18));
  --grad-heat: linear-gradient(120deg, #22d3ee, #3b82f6 55%, #8b5cf6);

  /* Dark theme (default) */
  --bg: #060915;
  --bg-2: #0a0f22;
  --surface: rgba(20, 27, 51, 0.55);
  --surface-solid: #121a33;
  --surface-2: rgba(30, 41, 74, 0.5);
  --glass-border: rgba(148, 178, 255, 0.16);
  --glass-border-strong: rgba(148, 178, 255, 0.32);
  --text: #eaf0ff;
  --text-soft: #aab6d8;
  --text-dim: #7d8ab5;
  --heading: #f6f9ff;

  --shadow-sm: 0 4px 18px rgba(2, 6, 23, 0.45);
  --shadow-md: 0 18px 44px rgba(2, 6, 23, 0.55);
  --shadow-glow: 0 12px 40px rgba(59, 130, 246, 0.35);
  --shadow-glow-cyan: 0 12px 40px rgba(34, 211, 238, 0.28);

  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  --max-width: 1180px;
  --space-section: clamp(1.4rem, 3vw, 2.6rem);

  --font-display: 'Sora', 'Montserrat', system-ui, sans-serif;
  --font-body: 'Inter', 'Montserrat', system-ui, sans-serif;

  --header-h: 66px;
}

:root[data-theme="light"] {
  --bg: #eef3fb;
  --bg-2: #e2ebf9;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-solid: #ffffff;
  --surface-2: rgba(255, 255, 255, 0.6);
  --glass-border: rgba(37, 99, 235, 0.16);
  --glass-border-strong: rgba(37, 99, 235, 0.3);
  --text: #10203f;
  --text-soft: #3a4a6b;
  --text-dim: #475569;
  --heading: #0b1730;
  /* Re-tune accents used as TEXT so they meet WCAG AA on light surfaces */
  --cyan: #0e7490;
  --blue-bright: #1d4ed8;

  --shadow-sm: 0 6px 18px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 18px 40px rgba(37, 99, 235, 0.14);
  --shadow-glow: 0 14px 38px rgba(59, 130, 246, 0.22);
  --shadow-glow-cyan: 0 14px 38px rgba(34, 211, 238, 0.2);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 18px);
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--heading);
  line-height: 1.15;
  font-weight: 700;
}

h1 { font-size: clamp(2.3rem, 6vw, 4.2rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.4rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p { color: var(--text-soft); }
strong { color: var(--text); font-weight: 600; }

/* ---------- Animated background (injected by JS) ---------- */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(1200px 700px at 12% -8%, rgba(59, 130, 246, 0.20), transparent 60%),
    radial-gradient(1000px 600px at 92% 4%, rgba(139, 92, 246, 0.18), transparent 60%),
    radial-gradient(900px 700px at 50% 108%, rgba(34, 211, 238, 0.14), transparent 60%),
    var(--bg);
}

.aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  mix-blend-mode: screen;
  will-change: transform;
}
:root[data-theme="light"] .aurora { opacity: 0.42; mix-blend-mode: multiply; }

.aurora-1 { width: 46vw; height: 46vw; left: -8vw; top: -6vw;
  background: radial-gradient(circle, #3b82f6, transparent 68%);
  animation: drift1 22s ease-in-out infinite alternate; }
.aurora-2 { width: 40vw; height: 40vw; right: -6vw; top: 6vh;
  background: radial-gradient(circle, #8b5cf6, transparent 68%);
  animation: drift2 26s ease-in-out infinite alternate; }
.aurora-3 { width: 44vw; height: 44vw; left: 24vw; bottom: -18vw;
  background: radial-gradient(circle, #22d3ee, transparent 68%);
  animation: drift3 30s ease-in-out infinite alternate; }

@keyframes drift1 { from { transform: translate(0,0) scale(1);} to { transform: translate(8vw, 6vh) scale(1.15);} }
@keyframes drift2 { from { transform: translate(0,0) scale(1);} to { transform: translate(-7vw, 8vh) scale(1.2);} }
@keyframes drift3 { from { transform: translate(0,0) scale(1);} to { transform: translate(6vw, -6vh) scale(1.1);} }

.constellation {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.9;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 178, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 178, 255, 0.04) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 50% 0%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 50% 0%, black, transparent 80%);
}
:root[data-theme="light"] .bg-grid {
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.05) 1px, transparent 1px);
}

/* ---------- Layout ---------- */
main {
  width: min(100%, var(--max-width));
  margin-inline: auto;
  padding: 1.6rem 1.2rem 0.5rem;
  position: relative;
}
main > section,
main > .hero { margin-bottom: var(--space-section); }

.skip-link {
  position: absolute;
  left: -9999px;
}
.skip-link:focus {
  left: 1rem; top: 1rem; position: fixed;
  width: auto; height: auto; padding: 0.6rem 0.95rem;
  border-radius: 10px; background: var(--surface-solid); color: var(--blue-bright);
  border: 1px solid var(--glass-border-strong); box-shadow: var(--shadow-md); z-index: 2000;
}

/* ---------- Header / nav ---------- */
header.glass-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  background: rgba(6, 9, 21, 0.72);
  background: color-mix(in srgb, var(--bg) 62%, transparent);
  border-bottom: 1px solid var(--glass-border);
  transition: transform 0.3s ease, background 0.3s ease;
}
header.glass-header.hide-on-scroll { transform: translateY(-100%); }
header.glass-header.menu-open { transform: translateY(0); }

.nav-wrap {
  width: min(100%, var(--max-width));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 1.2rem;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  color: var(--heading);
  white-space: nowrap;
}
.brand .brand-mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--grad-brand);
  color: #04122e;
  font-weight: 800;
  box-shadow: var(--shadow-glow);
  flex-shrink: 0;
}
.brand .brand-sub { color: var(--blue-bright); }

nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
nav a {
  position: relative;
  color: var(--text-soft);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.5rem 0.85rem;
  border-radius: 10px;
  transition: color 0.2s ease, background 0.2s ease;
}
nav a::after {
  content: "";
  position: absolute;
  left: 0.85rem; right: 0.85rem; bottom: 0.28rem;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
nav a:hover, nav a:focus-visible { color: var(--text); background: var(--surface-2); outline: none; }
nav a:hover::after, nav a:focus-visible::after { transform: scaleX(1); }
nav a.active { color: var(--text); }
nav a.active::after { transform: scaleX(1); }

.nav-tools { display: flex; align-items: center; gap: 0.45rem; }

.theme-toggle {
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: var(--surface);
  color: var(--text);
  display: grid; place-items: center;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.theme-toggle:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); border-color: var(--glass-border-strong); }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }

.hamburger {
  display: none;
  border: none;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  width: 42px; height: 42px;
  border-radius: 12px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.hamburger span { width: 18px; height: 2px; border-radius: 999px; background: var(--text); transition: transform 0.25s ease, opacity 0.2s ease; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary,
.about-btn, .glow-btn, .voir-plus-btn {
  background: var(--grad-heat);
  color: #04122e;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover, .about-btn:hover, .glow-btn:hover, .voir-plus-btn:hover,
.btn-primary:focus-visible, .about-btn:focus-visible, .glow-btn:focus-visible, .voir-plus-btn:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 18px 48px rgba(34, 211, 238, 0.45);
  outline: none;
}
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--glass-border-strong);
  box-shadow: var(--shadow-sm);
}
.btn-ghost:hover, .btn-ghost:focus-visible {
  transform: translateY(-3px);
  border-color: var(--blue-bright);
  box-shadow: var(--shadow-glow);
  outline: none;
}
.about-btn, .voir-plus-btn {
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
  border: none;
}

/* ---------- Cards / surfaces ---------- */
.glass {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: relative;
}

.container,
.about-section,
.domaines-section,
.education-section,
.events-section,
.experience-section,
.projects-section,
.competences-section,
.interests-section,
.section-block {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: clamp(1.4rem, 2.6vw, 2.4rem);
  position: relative;
  overflow: hidden;
}

/* Section eyebrow + heading */
.section-head { margin-bottom: 1.4rem; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--glass-border);
  background: var(--surface-2);
  margin-bottom: 0.9rem;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}
.section-head h2 { position: relative; }
.section-head h1,
.about-content h1 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); letter-spacing: -0.01em; position: relative; }
.section-head p { margin-top: 0.55rem; max-width: 65ch; }

.grad-text {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
/* Darken gradient-clipped text stops in light mode for legibility */
:root[data-theme="light"] .grad-text,
:root[data-theme="light"] .stat-num,
:root[data-theme="light"] .education-bac-label {
  background-image: linear-gradient(120deg, #2563eb, #0891b2 55%, #7c3aed);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(2.4rem, 6vw, 5rem) clamp(1.3rem, 4vw, 3.4rem);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  background:
    radial-gradient(700px 320px at 82% 12%, rgba(139, 92, 246, 0.22), transparent 70%),
    radial-gradient(680px 340px at 8% 90%, rgba(34, 211, 238, 0.18), transparent 70%),
    var(--surface);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.9fr);
  gap: 2.4rem;
  align-items: center;
}
.hero-content { position: relative; z-index: 2; }
.hero-hi {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--font-display); font-weight: 600;
  color: var(--text-soft);
  font-size: 0.95rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--glass-border);
  background: var(--surface-2);
  margin-bottom: 1.2rem;
}
.hero-hi .dot { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 12px #22c55e; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero h1 { margin-bottom: 0.6rem; }
.hero h1 .grad-text { display: inline-block; }

.hero-roles {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.6vw, 1.7rem);
  font-weight: 600;
  color: var(--text);
  min-height: 1.6em;
  margin-bottom: 1.1rem;
}
.hero-roles .role {
  background: var(--grad-heat);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-roles .cursor { color: var(--cyan); font-weight: 400; animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.hero-lead { font-size: 1.05rem; max-width: 54ch; margin-bottom: 1.6rem; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-bottom: 1.6rem; }

.hero-socials { display: flex; gap: 0.55rem; align-items: center; flex-wrap: wrap; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 0.6rem 1.4rem; margin-top: 1.4rem; color: var(--text-dim); font-size: 0.9rem; }
.hero-meta span { display: inline-flex; align-items: center; gap: 0.4rem; }
.hero-meta svg { width: 16px; height: 16px; color: var(--cyan); }

/* Hero portrait */
.hero-visual { position: relative; z-index: 2; justify-self: center; }
.hero-portrait {
  position: relative;
  width: min(340px, 74vw);
  aspect-ratio: 1 / 1;
}
.hero-portrait .ring {
  position: absolute; inset: -10%;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--cyan), var(--blue), var(--violet), var(--cyan));
  filter: blur(2px);
  opacity: 0.55;
  animation: spin 14s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.hero-portrait img {
  position: absolute; inset: 5%;
  width: 90%; height: 90%;
  object-fit: cover;
  object-position: center top;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow-md);
}
.hero-badge {
  position: absolute;
  z-index: 3;
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-pill);
  background: var(--surface-solid);
  border: 1px solid var(--glass-border-strong);
  box-shadow: var(--shadow-md);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--text);
  animation: floaty 5s ease-in-out infinite;
}
.hero-badge svg { width: 18px; height: 18px; }
.hero-badge.b1 { top: 6%; left: -6%; }
.hero-badge.b2 { bottom: 12%; right: -8%; animation-delay: 1.5s; }
.hero-badge.b3 { bottom: -4%; left: 12%; animation-delay: 0.8s; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.scroll-cue {
  position: absolute;
  bottom: 1rem; left: 50%; transform: translateX(-50%);
  z-index: 3;
  color: var(--text-dim);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: 0.35rem;
}
.scroll-cue .mouse {
  width: 22px; height: 34px; border-radius: 12px;
  border: 2px solid var(--text-dim);
  position: relative;
}
.scroll-cue .mouse::before {
  content: ""; position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
  width: 3px; height: 6px; border-radius: 2px; background: var(--cyan);
  animation: wheel 1.6s infinite;
}
@keyframes wheel { 0% { opacity: 1; top: 6px; } 100% { opacity: 0; top: 16px; } }

/* ---------- Stats ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}
.stat-card {
  padding: 1.3rem 1.1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  background: var(--surface-2);
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.stat-card:hover { transform: translateY(-4px); border-color: var(--glass-border-strong); box-shadow: var(--shadow-glow); }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 800;
  line-height: 1;
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-num .suffix { -webkit-text-fill-color: var(--cyan); }
.stat-label { margin-top: 0.5rem; color: var(--text-soft); font-size: 0.85rem; font-weight: 500; }

/* ---------- About ---------- */
.about-section {
  display: grid;
  grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
  gap: 2.2rem;
  align-items: center;
}
.about-image { position: relative; }
.about-image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border-strong);
  box-shadow: var(--shadow-md);
}
.about-image::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, transparent 55%, rgba(34, 211, 238, 0.15));
  pointer-events: none;
}
.about-content { display: grid; gap: 1rem; }
.about-content p { font-size: 1.02rem; max-width: 64ch; }

/* ---------- Domaines ---------- */
.domaines-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.1rem;
}
.domaines-list li {
  background: var(--surface-2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  text-align: center;
  padding: 1.4rem 1.2rem;
  min-height: 210px;
  justify-content: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}
.domaines-list li::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--grad-brand-soft);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.domaines-list li:hover { transform: translateY(-6px); border-color: var(--glass-border-strong); box-shadow: var(--shadow-glow); }
.domaines-list li:hover::before { opacity: 1; }
.domaines-list li img {
  width: 74px; height: 74px;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  position: relative; z-index: 1;
}
.domaines-list li span { color: var(--text); font-weight: 600; font-size: 0.96rem; position: relative; z-index: 1; }

/* ---------- Education ---------- */
.education-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}
.education-card {
  background: var(--surface-2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.education-card:hover { transform: translateY(-4px); border-color: var(--glass-border-strong); box-shadow: var(--shadow-glow); }
.education-img { border-radius: 12px; width: 100%; aspect-ratio: 16/9; object-fit: cover; margin-bottom: 0.9rem; border: 1px solid var(--glass-border); }
.education-info { display: grid; gap: 0.3rem; }
.education-bac { font-size: 1rem; font-weight: 700; color: var(--text); font-family: var(--font-display); }
.education-bac-label {
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.education-school { color: var(--text-soft); font-size: 0.95rem; }
.education-school-secondary { color: var(--cyan); font-weight: 600; font-size: 0.9rem; }

/* ---------- Events carousel ---------- */
.events-carousel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  touch-action: pan-y;
}
.carousel-btn {
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid var(--glass-border-strong);
  background: var(--surface);
  color: var(--text);
  font-size: 1.3rem;
  display: grid; place-items: center;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.carousel-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); color: #04122e; background: var(--grad-heat); }
.event-card-carousel {
  background: var(--surface-2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 0.9rem;
  box-shadow: var(--shadow-sm);
}
.event-img { width: 100%; aspect-ratio: 16/9; max-height: 440px; border-radius: 14px; object-fit: cover; border: 1px solid var(--glass-border); }
.event-name { margin-top: 0.8rem; color: var(--text); text-align: center; font-weight: 700; font-family: var(--font-display); }
.event-dots { display: flex; gap: 0.4rem; justify-content: center; margin-top: 0.8rem; }
.event-dots button { width: 8px; height: 8px; border-radius: 50%; border: none; background: var(--text-dim); cursor: pointer; padding: 0; transition: transform 0.2s, background 0.2s; }
.event-dots button.active { background: var(--cyan); transform: scale(1.4); box-shadow: 0 0 10px var(--cyan); }

/* ---------- Interests ---------- */
.interests-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.1rem;
}
.interests-list li {
  background: var(--surface-2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 0.9rem;
  text-align: center;
  color: var(--text);
  font-weight: 700;
  font-family: var(--font-display);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  overflow: hidden;
}
.interests-list li:hover { transform: translateY(-5px); border-color: var(--glass-border-strong); box-shadow: var(--shadow-glow); }
.interest-img { width: 100%; aspect-ratio: 4/3; border-radius: 12px; object-fit: cover; margin-bottom: 0.8rem; border: 1px solid var(--glass-border); }

/* ---------- Languages ---------- */
.lang-list { display: grid; gap: 1.1rem; }
.lang-row { display: grid; gap: 0.4rem; }
.lang-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.lang-name { font-family: var(--font-display); font-weight: 600; color: var(--text); }
.lang-level { color: var(--text-dim); font-size: 0.85rem; }
.lang-bar { height: 9px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--glass-border); overflow: hidden; }
.lang-fill { height: 100%; border-radius: 999px; background: var(--grad-heat); width: 0; transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1); box-shadow: 0 0 14px rgba(34, 211, 238, 0.5); }

/* ---------- Associative / value cards ---------- */
.value-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.1rem; }
.value-card {
  background: var(--surface-2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.3rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.value-card:hover { transform: translateY(-4px); border-color: var(--glass-border-strong); box-shadow: var(--shadow-glow); }
.value-card .vc-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--grad-brand-soft);
  border: 1px solid var(--glass-border);
  color: var(--cyan);
  margin-bottom: 0.9rem;
}
.value-card .vc-icon svg { width: 24px; height: 24px; }
.value-card h3 { margin-bottom: 0.15rem; }
.value-card .vc-meta { color: var(--cyan); font-size: 0.82rem; font-weight: 600; margin-bottom: 0.6rem; }

/* ---------- Experience timeline ---------- */
.timeline { position: relative; display: grid; gap: 1.3rem; }
.timeline::before {
  content: "";
  position: absolute;
  left: 20px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--blue), var(--violet));
  opacity: 0.5;
}
.tl-item { position: relative; padding-left: 56px; }
.tl-dot {
  position: absolute; left: 12px; top: 6px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--bg-2);
  border: 3px solid var(--cyan);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--cyan) 22%, transparent), 0 0 16px var(--cyan);
  z-index: 1;
}
.tl-card {
  background: var(--surface-2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.3rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.tl-card:hover { transform: translateX(4px); border-color: var(--glass-border-strong); box-shadow: var(--shadow-glow); }
.experience-content { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.2rem; align-items: start; }
.experience-info h2, .tl-card h2 { font-size: clamp(1.15rem, 2vw, 1.5rem); margin-bottom: 0.3rem; }
.experience-meta {
  color: var(--cyan);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
  display: inline-flex; align-items: center; gap: 0.45rem;
}
.experience-list { margin-top: 0.6rem; padding-left: 1.15rem; display: grid; gap: 0.42rem; color: var(--text-soft); font-size: 0.95rem; list-style: none; }
.experience-list li { position: relative; padding-left: 1.1rem; }
.experience-list li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.experience-list strong { color: var(--blue-bright); }
.company-logo-link { justify-self: center; }
.company-logo {
  width: 110px; aspect-ratio: 1/1; object-fit: contain;
  border-radius: 16px; border: 1px solid var(--glass-border);
  background: #fff; padding: 8px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.company-logo:hover { transform: translateY(-3px) scale(1.03); box-shadow: var(--shadow-glow); }

/* ---------- Projects ---------- */
.project-filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.4rem; }
.filter-btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--glass-border);
  background: var(--surface-2);
  color: var(--text-soft);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}
.filter-btn:hover { color: var(--text); border-color: var(--glass-border-strong); }
.filter-btn.active { background: var(--grad-heat); color: #04122e; border-color: transparent; box-shadow: var(--shadow-glow); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.2rem;
}
.project-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface-2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  overflow: hidden;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
  transform-style: preserve-3d;
}
.project-tile::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(400px 200px at var(--mx, 50%) var(--my, 0%), rgba(34, 211, 238, 0.14), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.project-tile:hover { transform: translateY(-6px); border-color: var(--glass-border-strong); box-shadow: var(--shadow-glow); }
.project-tile:hover::before { opacity: 1; }
.pt-top { display: flex; align-items: center; justify-content: space-between; gap: 0.8rem; margin-bottom: 0.9rem; }
.pt-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--grad-brand-soft);
  border: 1px solid var(--glass-border);
  color: var(--cyan);
  flex-shrink: 0;
}
.pt-icon svg { width: 26px; height: 26px; }
.pt-cat {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-dim);
  padding: 0.3rem 0.7rem; border-radius: var(--radius-pill);
  border: 1px solid var(--glass-border); background: var(--surface);
}
.project-tile h3 { margin-bottom: 0.15rem; }
.pt-tag-role { color: var(--cyan); font-size: 0.82rem; font-weight: 600; margin-bottom: 0.6rem; display: block; font-family: var(--font-display); }
.project-tile p { font-size: 0.92rem; margin-bottom: 1rem; flex-grow: 1; }
.pt-stack { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1rem; }
.chip {
  font-size: 0.72rem; font-weight: 600;
  color: var(--text-soft);
  padding: 0.28rem 0.6rem; border-radius: 8px;
  border: 1px solid var(--glass-border);
  background: var(--surface);
}
.pt-links { display: flex; gap: 0.7rem; flex-wrap: wrap; margin-top: auto; }
.pt-link { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.85rem; font-weight: 600; color: var(--blue-bright); transition: color 0.2s, gap 0.2s; }
.pt-link:hover { color: var(--cyan); gap: 0.55rem; }
.pt-link svg { width: 15px; height: 15px; }
.pt-badge {
  position: absolute; top: 0.85rem; right: 0.85rem;
  z-index: 3;
  font-size: 0.66rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.28rem 0.6rem; border-radius: var(--radius-pill);
  box-shadow: 0 6px 16px rgba(3, 6, 21, 0.4);
}
.pt-badge.live { color: #052e16; background: linear-gradient(120deg, #4ade80, #22d3ee); }
.pt-badge.flagship { color: #04122e; background: var(--grad-heat); }

/* Project cover (visual header) */
.pt-cover {
  position: relative;
  margin: -1.4rem -1.4rem 1.1rem;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--c1, #3b82f6), var(--c2, #8b5cf6));
  border-bottom: 1px solid var(--glass-border);
}
.pt-cover::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1.4px);
  background-size: 15px 15px; opacity: 0.55;
}
.pt-cover::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(130% 100% at 85% 0%, rgba(255, 255, 255, 0.26), transparent 55%);
}
.pt-cover-glyph { position: relative; z-index: 1; color: #fff; filter: drop-shadow(0 8px 18px rgba(2, 6, 20, 0.35)); }
.pt-cover-glyph svg { width: 58px; height: 58px; }
.pt-cover-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s ease; z-index: 0; }
.pt-cover-img.contain { object-fit: contain; padding: 0.9rem; }
.project-tile:hover .pt-cover-img { transform: scale(1.06); }
.pt-cover-tag {
  position: absolute; z-index: 2; top: 0.6rem; left: 0.6rem;
  font-size: 0.64rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: #fff; background: rgba(3, 6, 15, 0.42);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  padding: 0.24rem 0.6rem; border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

/* Featured project showcase (Wondertech Scan) */
.project-card-modern {
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-xl);
  background: var(--surface-2);
  padding: clamp(1.3rem, 2.4vw, 2rem);
  box-shadow: var(--shadow-md);
}
.project-card-header { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.project-title { font-size: clamp(1.4rem, 2.4vw, 2rem); margin-bottom: 0; }
.project-label { color: var(--text-dim); font-size: 0.92rem; font-weight: 600; }
.project-logo-circle {
  width: 92px; height: 92px; border-radius: 50%;
  border: 1px solid var(--glass-border-strong);
  background: var(--surface); display: grid; place-items: center; position: relative;
  box-shadow: var(--shadow-glow);
}
.project-img-modern { width: 64px; height: 64px; border-radius: 50%; object-fit: contain; background: #fff; }
.project-logo-label {
  position: absolute; bottom: -0.9rem; left: 50%; transform: translateX(-50%);
  font-size: 0.7rem; background: var(--grad-heat); color: #04122e; font-weight: 700;
  padding: 0.2rem 0.55rem; border-radius: var(--radius-pill);
}
.project-info p { color: var(--text-soft); margin-bottom: 1rem; max-width: 78ch; }
.project-fonctionnalites { margin-top: 1rem; display: grid; gap: 1rem; }
.app-screenshot-flex {
  display: grid; grid-template-columns: minmax(200px, 300px) minmax(0, 1fr); gap: 1rem;
  background: var(--surface); border: 1px solid var(--glass-border); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.app-screenshot-flex:hover { transform: translateY(-3px); border-color: var(--glass-border-strong); box-shadow: var(--shadow-glow); }
.app-screenshot-img-mixed { width: 100%; height: auto; max-height: 320px; object-fit: contain; background: linear-gradient(180deg, rgba(34,211,238,0.06), rgba(139,92,246,0.06)); padding: 0.7rem; }
.app-screenshot-desc-mixed { padding: 1.2rem; color: var(--text-soft); font-size: 0.94rem; line-height: 1.65; }
.app-screenshot-caption-mixed { color: var(--cyan); font-size: 1rem; font-weight: 700; margin-bottom: 0.55rem; font-family: var(--font-display); }

/* ---------- Certifications ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.2rem; }
.cert-card {
  position: relative;
  background: var(--surface-2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  overflow: hidden;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
.cert-card::after {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad-heat);
}
.cert-card:hover { transform: translateY(-6px); border-color: var(--glass-border-strong); box-shadow: var(--shadow-glow); }
.cert-top { display: flex; align-items: center; gap: 0.9rem; margin-bottom: 0.9rem; }
.cert-logo {
  width: 54px; height: 54px; border-radius: 14px; flex-shrink: 0;
  display: grid; place-items: center;
  background: #fff; border: 1px solid var(--glass-border);
  font-family: var(--font-display); font-weight: 800; font-size: 0.7rem; color: #0b1730;
  text-align: center; line-height: 1.05;
  padding: 4px;
}
.cert-issuer { font-family: var(--font-display); font-weight: 600; color: var(--text); font-size: 0.95rem; }
.cert-date { color: var(--text-dim); font-size: 0.8rem; }
.cert-card h3 { font-size: 1.12rem; margin-bottom: 0.5rem; }
.cert-card p { font-size: 0.88rem; margin-bottom: 0.9rem; }
.cert-skills { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.9rem; }
.cert-verify { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.82rem; font-weight: 600; color: var(--cyan); }
.cert-verify svg { width: 15px; height: 15px; }
.badge-verified {
  position: absolute; top: 1.1rem; right: 1.1rem;
  display: inline-flex; align-items: center; gap: 0.3rem;
  font-size: 0.68rem; font-weight: 700; color: #052e16;
  background: linear-gradient(120deg, #4ade80, #22d3ee);
  padding: 0.25rem 0.55rem; border-radius: var(--radius-pill);
  box-shadow: 0 4px 14px rgba(3, 6, 21, 0.35);
  z-index: 2;
}

/* Certificate image (LinkedIn-style, click to enlarge) */
.cert-media {
  display: block; width: 100%; padding: 0; margin-bottom: 1rem;
  border: none; background: none; cursor: zoom-in;
  position: relative; border-radius: 12px; overflow: hidden;
}
.cert-thumb {
  display: block; width: 100%;
  aspect-ratio: 1.3 / 1;
  object-fit: cover; object-position: center top;
  background: #fff;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  transition: transform 0.35s ease;
}
.cert-media:hover .cert-thumb { transform: scale(1.04); }
.cert-zoom {
  position: absolute; bottom: 0.5rem; right: 0.5rem;
  width: 34px; height: 34px; border-radius: 9px;
  background: rgba(3, 6, 15, 0.62); color: #fff;
  display: grid; place-items: center;
  opacity: 0; transition: opacity 0.25s ease;
  pointer-events: none;
}
.cert-media:hover .cert-zoom, .cert-media:focus-visible .cert-zoom { opacity: 1; }
.cert-media:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.cert-zoom svg { width: 18px; height: 18px; }
.cert-placeholder {
  width: 100%; aspect-ratio: 1.3 / 1; margin-bottom: 1rem;
  border-radius: 12px; border: 1px solid var(--glass-border);
  position: relative; overflow: hidden;
  display: grid; place-items: center; text-align: center; gap: 0.25rem;
  background: #14120b; padding: 1rem;
}
.cert-placeholder::before,
.cert-placeholder::after {
  content: ""; position: absolute; width: 42%; height: 58%;
  background: #f5c518; border-radius: 16px; transform: rotate(14deg); opacity: 0.92;
}
.cert-placeholder::before { top: -22%; left: -12%; }
.cert-placeholder::after { bottom: -22%; right: -12%; }
.cert-placeholder > * { position: relative; z-index: 1; }
.cert-placeholder .cph-brand { font-family: var(--font-display); font-weight: 800; letter-spacing: 0.16em; color: #f5c518; font-size: 1.05rem; text-transform: lowercase; }
.cert-placeholder .cph-title { font-family: var(--font-display); font-weight: 800; letter-spacing: 0.14em; color: #fff; font-size: 1rem; }
.cert-placeholder .cph-sub { color: #d8c98a; font-size: 0.74rem; letter-spacing: 0.04em; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 2000;
  display: none; align-items: center; justify-content: center;
  padding: clamp(1rem, 4vw, 2.5rem);
  background: rgba(3, 6, 15, 0.86);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.lightbox.open { display: flex; animation: fadeIn 0.2s ease; }
.lightbox img {
  max-width: min(1100px, 94vw); max-height: 88vh; width: auto; height: auto;
  border-radius: 14px; border: 1px solid var(--glass-border-strong);
  box-shadow: var(--shadow-md); background: #fff;
}
.lightbox-close {
  position: absolute; top: 1rem; right: 1rem;
  width: 46px; height: 46px; border-radius: 12px;
  border: 1px solid var(--glass-border-strong);
  background: var(--surface-solid); color: var(--text);
  font-size: 1.5rem; line-height: 1; cursor: pointer;
  display: grid; place-items: center;
}
.lightbox-close:hover { color: var(--cyan); box-shadow: var(--shadow-glow); }
.lightbox-hint { position: absolute; bottom: 1rem; left: 50%; transform: translateX(-50%); color: #cbd5e1; font-size: 0.8rem; letter-spacing: 0.04em; }

/* Cert links + Credly */
.cert-links { display: flex; flex-wrap: wrap; gap: 0.4rem 1.2rem; align-items: center; }
.cert-verify.credly { color: #f97316; }
:root[data-theme="light"] .cert-verify.credly { color: #c2410c; }
.credly-row { display: flex; flex-wrap: wrap; gap: 1.3rem; justify-content: center; margin-top: 0.5rem; }
.credly-badge {
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
  background: var(--surface-2); border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg); padding: 1.3rem 1.5rem; min-width: 190px;
  color: inherit; text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.credly-badge:hover { transform: translateY(-5px); border-color: var(--glass-border-strong); box-shadow: var(--shadow-glow); }
.credly-badge img { width: 150px; height: 150px; object-fit: contain; }
.credly-name { display: inline-flex; align-items: center; gap: 0.4rem; font-family: var(--font-display); font-weight: 600; font-size: 0.9rem; color: var(--text); text-align: center; }
.credly-name svg { width: 14px; height: 14px; color: var(--cyan); flex-shrink: 0; }

/* Cyber teaching section */
.teach-section { position: relative; overflow: hidden; }
.teach-section::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(620px 320px at 12% 0%, rgba(34, 197, 94, 0.12), transparent 60%);
}
.teach-section > * { position: relative; z-index: 1; }
.teach-section .eyebrow { color: #4ade80; border-color: rgba(34, 197, 94, 0.3); }
.teach-section .eyebrow::before { background: #4ade80; box-shadow: 0 0 12px #4ade80; }
.teach-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.2rem; }
.teach-card {
  position: relative; display: flex; flex-direction: column;
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid rgba(34, 197, 94, 0.28);
  background: linear-gradient(180deg, rgba(5, 20, 13, 0.55), var(--surface-2));
  color: inherit;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
.teach-card:hover { transform: translateY(-6px); border-color: rgba(34, 197, 94, 0.6); box-shadow: 0 18px 44px rgba(16, 185, 129, 0.22); }
.teach-cover { position: relative; aspect-ratio: 16 / 9; display: grid; place-items: center; background: #04160e; overflow: hidden; }
.teach-cover::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(34, 197, 94, 0.14) 1px, transparent 1px), linear-gradient(90deg, rgba(34, 197, 94, 0.14) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000, transparent 78%);
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 78%);
}
.teach-cover::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 50% 45%, rgba(34, 197, 94, 0.22), transparent 55%); }
.teach-kicker {
  position: absolute; top: 0.7rem; left: 0.8rem; z-index: 2;
  font-family: ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  font-size: 0.68rem; letter-spacing: 0.04em; color: #4ade80;
  background: rgba(3, 10, 7, 0.55); padding: 0.2rem 0.5rem; border-radius: 6px;
  border: 1px solid rgba(34, 197, 94, 0.3);
}
.teach-icon {
  position: relative; z-index: 2;
  width: 66px; height: 66px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(34, 197, 94, 0.16); border: 2px solid #22c55e; color: #eafff2;
  box-shadow: 0 0 30px rgba(34, 197, 94, 0.4);
  transition: transform 0.25s ease, background 0.25s ease;
}
.teach-card:hover .teach-icon { transform: scale(1.09); background: rgba(34, 197, 94, 0.3); }
.teach-icon svg { width: 26px; height: 26px; }
.teach-icon.play svg { margin-left: 3px; }
.teach-type {
  position: absolute; bottom: 0.7rem; right: 0.8rem; z-index: 2;
  font-size: 0.64rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em;
  color: #052e16; background: #4ade80; padding: 0.2rem 0.55rem; border-radius: var(--radius-pill);
}
.teach-body { padding: 1.2rem; display: flex; flex-direction: column; gap: 0.5rem; flex-grow: 1; }
.teach-body h3 { font-size: 1.06rem; }
.teach-body p { font-size: 0.9rem; flex-grow: 1; }
.teach-link { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 600; font-size: 0.85rem; color: #4ade80; margin-top: 0.2rem; }
.teach-link svg { width: 15px; height: 15px; }
.teach-card:hover .teach-link { color: #86efac; }

/* ---------- Competences ---------- */
.competences-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.1rem; }
.competence-card {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  box-shadow: var(--shadow-sm);
  padding: 1.3rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}
.competence-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad-heat); opacity: 0.85;
}
.competence-card:hover { transform: translateY(-5px); border-color: var(--glass-border-strong); box-shadow: var(--shadow-glow); }
.competence-header { display: flex; flex-direction: column; align-items: center; text-align: center; margin-bottom: 0.7rem; }
.competence-icon {
  width: 60px; height: 60px; border-radius: 14px; object-fit: cover; margin-bottom: 0.55rem;
  border: 1px solid var(--glass-border);
  background: var(--grad-brand-soft);
}
.competence-card h2 { font-size: 1.06rem; margin: 0; }
.competence-badge {
  display: inline-block; margin-left: 0.35rem; font-size: 0.68rem; color: #04122e;
  background: var(--grad-heat); border-radius: var(--radius-pill); padding: 0.12rem 0.5rem; font-weight: 700;
}
.competence-card p { color: var(--text-soft); font-size: 0.92rem; margin-bottom: 0.7rem; text-align: center; }
.tech-logo-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.45rem; margin-bottom: 0.6rem; }
.tech-logo {
  width: 30px; height: 30px; object-fit: contain; border-radius: 8px;
  border: 1px solid var(--glass-border); background: #fff; padding: 3px;
  transition: transform 0.2s ease;
}
.tech-logo:hover { transform: translateY(-3px) scale(1.12); }
.competence-list { display: grid; gap: 0.35rem; color: var(--text-soft); font-size: 0.9rem; text-align: center; }
.competence-list strong { color: var(--blue-bright); }
.competence-divider { grid-column: 1 / -1; height: 1px; border: 0; background: linear-gradient(90deg, transparent, var(--glass-border-strong), transparent); margin: 0.3rem 0; }

/* Tech marquee */
.marquee {
  overflow: hidden; position: relative;
  padding: 0.4rem 0; margin-bottom: 1.6rem;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.marquee-track { display: flex; gap: 1rem; width: max-content; animation: marquee 34s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee-item {
  width: 60px; height: 60px; border-radius: 15px; flex-shrink: 0;
  background: var(--surface-2); border: 1px solid var(--glass-border);
  display: grid; place-items: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.marquee-item:hover { transform: translateY(-4px); border-color: var(--glass-border-strong); box-shadow: var(--shadow-glow); }
.marquee-item img { width: 32px; height: 32px; object-fit: contain; }

/* Skill proficiency bars */
.skills-block { margin-bottom: 1.8rem; }
.skills-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 0.9rem 2.6rem; }
.skill-row { display: grid; gap: 0.4rem; }
.skill-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.skill-name { font-family: var(--font-display); font-weight: 600; color: var(--text); font-size: 0.95rem; display: inline-flex; align-items: center; gap: 0.5rem; }
.skill-name img { width: 20px; height: 20px; object-fit: contain; }
.skill-pct { color: var(--cyan); font-size: 0.82rem; font-weight: 700; font-family: var(--font-display); }
.skills-subtitle { font-family: var(--font-display); font-weight: 700; color: var(--text); margin: 0.4rem 0 0.9rem; font-size: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.skills-subtitle::before { content: ""; width: 20px; height: 3px; border-radius: 3px; background: var(--grad-heat); }

/* ---------- Footer ---------- */
.site-footer {
  width: min(100%, var(--max-width));
  margin: 2rem auto 1.4rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  background: var(--surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.footer-cta {
  padding: clamp(1.6rem, 3vw, 2.6rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.4rem;
  align-items: center;
  background:
    radial-gradient(500px 220px at 90% 10%, rgba(139, 92, 246, 0.18), transparent 70%),
    radial-gradient(500px 220px at 0% 100%, rgba(34, 211, 238, 0.16), transparent 70%);
}
.footer-cta h2 { margin-bottom: 0.4rem; }
.footer-cta p { max-width: 46ch; }
.contact-icons { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.icon-btn {
  width: 46px; height: 46px; border-radius: 12px;
  background: var(--surface-solid);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  display: inline-flex; align-items: center; justify-content: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.icon-btn:hover, .icon-btn:focus-visible { transform: translateY(-3px); box-shadow: var(--shadow-glow); border-color: var(--glass-border-strong); outline: none; }
.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding: 1rem 1.6rem;
  display: flex; flex-wrap: wrap; gap: 0.6rem 1.2rem; align-items: center; justify-content: space-between;
  font-size: 0.85rem; color: var(--text-dim);
}
.footer-bottom a { color: var(--text-soft); }
.footer-bottom a:hover { color: var(--cyan); }
.footer-nav { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Legacy footer support */
.contact-footer {
  width: min(100%, var(--max-width));
  margin: 2rem auto 1.4rem;
  padding: 1.4rem 1.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  background: var(--surface);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.contact-text { color: var(--text); font-weight: 700; font-size: 1.05rem; font-family: var(--font-display); }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed;
  right: 1.2rem; bottom: 1.2rem;
  width: 48px; height: 48px; border-radius: 14px;
  border: 1px solid var(--glass-border-strong);
  background: var(--surface-solid);
  color: var(--text);
  display: grid; place-items: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.2s ease;
  z-index: 900;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { box-shadow: var(--shadow-glow); color: var(--cyan); }
.to-top svg { width: 20px; height: 20px; }

/* Scroll progress */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0;
  background: var(--grad-heat);
  z-index: 1500;
  box-shadow: 0 0 12px var(--cyan);
  transition: width 0.1s linear;
}

/* ---------- Reveal animations ---------- */
/* Hidden state applies only when JS is active, so no-JS visitors always see content. */
.js-enabled .reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.js-enabled .reveal:not(.is-visible) { will-change: opacity, transform; }
.js-enabled .reveal.reveal-left { transform: translateX(-32px); }
.js-enabled .reveal.reveal-right { transform: translateX(32px); }
.js-enabled .reveal.reveal-scale { transform: scale(0.94); }
.js-enabled .reveal.is-visible { opacity: 1; transform: none; }

a:focus-visible, button:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; text-align: center; gap: 1.8rem; }
  .hero-content { order: 2; }
  .hero-visual { order: 1; }
  .hero-hi, .hero-cta, .hero-socials, .hero-meta { justify-content: center; }
  .hero-lead { margin-inline: auto; }
  .scroll-cue { display: none; }
  .about-section { grid-template-columns: 1fr; text-align: center; }
  .about-content { justify-items: center; }
  .experience-content { grid-template-columns: 1fr; }
  .company-logo-link { justify-self: center; }
  .app-screenshot-flex { grid-template-columns: 1fr; }
  .project-card-header { grid-template-columns: 1fr; justify-items: start; }
  .footer-cta { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.3rem;
    padding: 0.8rem;
    background: rgba(6, 9, 21, 0.98);
    background: color-mix(in srgb, var(--bg) 96%, transparent);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
  }
  nav.open { display: flex; }
  nav a { text-align: center; padding: 0.7rem; min-height: 44px; display: flex; align-items: center; justify-content: center; font-size: 0.95rem; }
  nav a::after { display: none; }
  nav a.active { background: var(--surface-2); }
  .hamburger { display: flex; }
  body.menu-open { overflow: hidden; }

  main { padding: 1rem 0.8rem calc(0.4rem + env(safe-area-inset-bottom, 0px)); }
  .hero-badge { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline::before { left: 14px; }
  .tl-item { padding-left: 44px; }
  .tl-dot { left: 6px; }
}

@media (max-width: 420px) {
  .brand .brand-label { display: none; }
  .projects-grid { grid-template-columns: 1fr; }
}

/* Hover-disable on touch */
@media (hover: none) {
  .project-tile:hover, .cert-card:hover, .competence-card:hover,
  .value-card:hover, .domaines-list li:hover, .stat-card:hover,
  .education-card:hover, .interests-list li:hover, .tl-card:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
  }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .aurora, .hero-portrait .ring { animation: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .constellation { display: none; }
}