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

:root {
  --bg: #0b0b0d;
  --bg2: #111115;
  --bg3: #17171c;
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.18);
  --accent: #e8ff47;
  --accent2: #47ffb2;
  --text: #f0efe8;
  --muted: #6e6e7a;
  --muted2: #9999a8;
  --font-display: 'JetBrains Mono', monospace;
  --font-mono: 'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  cursor: none;
}

/* ── Custom cursor ── */
.cursor {
  position: fixed;
  width: 10px; height: 10px;
  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, background 0.2s;
  mix-blend-mode: difference;
}
.cursor-ring {
  position: fixed;
  width: 36px; height: 36px;
  border: 1px solid rgba(232,255,71,0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.12s ease, width 0.3s, height 0.3s, border-color 0.3s;
}
.cursor-ring.expand { width: 60px; height: 60px; border-color: var(--accent); }

/* ── Noise overlay ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.028;
  pointer-events: none;
  z-index: 1000;
}

/* ── Nav ── */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 500;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.5rem 3rem;
  border-bottom: 1px solid var(--border);
  background: rgba(11,11,13,0.85);
  backdrop-filter: blur(16px);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}
.nav-logo span { color: var(--accent); }

nav ul { list-style: none; display: flex; gap: 2.5rem; }
nav ul a {
  color: var(--muted2);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.2s;
}
nav ul a:hover { color: var(--accent); }

.nav-status {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.08em;
}
.status-dot {
  width: 7px; height: 7px;
  background: var(--accent2);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}

/* ── Hero ── */
#hero {
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 3rem 5rem;
  position: relative;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 60%, black 30%, transparent 90%);
}

.hero-tag {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.2s forwards;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 8.5rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.4s forwards;
}
h1 .dim          { color: var(--muted); }
h1 .accent-word  { color: var(--accent); }

.hero-bottom {
  display: flex; align-items: flex-end; justify-content: space-between;
  opacity: 0;
  animation: fadeUp 0.8s 0.7s forwards;
}

.hero-desc {
  max-width: 360px;
  color: var(--muted2);
  font-size: 0.88rem;
  line-height: 1.8;
}
.hero-desc strong { color: var(--text); font-weight: 400; }

.hero-scroll {
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px; height: 60px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollDrop 1.5s ease-in-out infinite;
}
@keyframes scrollDrop {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Section commons ── */
section { padding: 7rem 3rem; }
section + section { border-top: 1px solid var(--border); }

.section-label {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4rem;
  display: flex; align-items: center; gap: 1rem;
}
.section-label::after {
  content: '';
  flex: 1;
  max-width: 80px;
  height: 1px;
  background: var(--accent);
  opacity: 0.4;
}

/* ── About ── */
#about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 2rem;
}
h2 em { font-style: normal; color: var(--accent); }

.about-text {
  color: var(--muted2);
  line-height: 1.9;
  font-size: 0.88rem;
  margin-bottom: 1.5rem;
}
.about-text strong { color: var(--text); font-weight: 400; }

.about-right { padding-top: 4.5rem; }

.info-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 2rem;
  margin-bottom: 1rem;
}
.info-card-label {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.6rem;
}
.info-card-value {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
.info-card-value span { color: var(--accent); }

.skills-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; }
.skill-tag {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 1px;
  color: var(--muted2);
  transition: border-color 0.2s, color 0.2s;
}
.skill-tag:hover { border-color: var(--accent); color: var(--accent); }

/* ── Portfolio ── */
#portfolio { padding: 7rem 3rem; }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
}

.project-card {
  background: var(--bg);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  cursor: none;
  transition: background 0.3s;
}
.project-card:hover { background: var(--bg3); }
.project-card:hover .project-arrow { color: var(--accent); transform: translate(4px, -4px); }
.project-card:hover .project-num   { color: var(--accent); }

.project-num {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  margin-bottom: 2rem;
  transition: color 0.2s;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.8rem;
  line-height: 1.1;
}

.project-desc {
  font-size: 0.82rem;
  color: var(--muted2);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.project-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 2rem; }
.ptag {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 1px;
  color: var(--muted2);
}

.project-arrow {
  font-size: 1.3rem;
  color: var(--muted);
  transition: color 0.2s, transform 0.2s;
  display: inline-block;
}

.project-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.project-card.featured .project-title { font-size: 2.2rem; }

.project-mockup {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 2px;
  height: 220px;
  display: flex; align-items: center; justify-content: center;
}
.mockup-inner { width: 80%; text-align: center; }
.mockup-bar {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  margin-bottom: 0.6rem;
}
.mockup-bar.accent { background: var(--accent); width: 40%; }
.mockup-bar.short  { width: 60%; }

/* ── CV ── */
#cv { padding: 7rem 3rem; }

.cv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 1rem;
}

.cv-column-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.cv-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.cv-item:last-child { border-bottom: none; }

.cv-date {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

.cv-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.2rem;
}

.cv-place {
  font-size: 0.78rem;
  color: var(--muted2);
  margin-bottom: 0.6rem;
}

.cv-desc {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.7;
}

.cv-download {
  margin-top: 4rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.cv-download-note {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* ── Contact ── */
#contact {
  text-align: center;
  padding: 8rem 3rem;
  position: relative;
  overflow: hidden;
}
#contact::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(232,255,71,0.04) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.contact-pre {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
}

h2.contact-heading {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-bottom: 2.5rem;
}
h2.contact-heading .dim { color: var(--muted); }

.contact-links {
  display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap;
  margin-bottom: 4rem;
}

.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 1px;
  transition: all 0.25s;
  cursor: none;
}
.btn-primary {
  background: var(--accent);
  color: #0b0b0d;
  border: 1px solid var(--accent);
}
.btn-primary:hover { background: transparent; color: var(--accent); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-hover);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.contact-info {
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}
.contact-info a { color: var(--muted2); text-decoration: none; transition: color 0.2s; }
.contact-info a:hover { color: var(--accent); }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 3rem;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-copy { font-size: 0.72rem; color: var(--muted); letter-spacing: 0.08em; }
.footer-copy span { color: var(--accent); }
.footer-right { font-size: 0.7rem; color: var(--muted); letter-spacing: 0.06em; }

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible      { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.35s; }

/* ── Mobile ── */
@media (max-width: 768px) {
  nav { padding: 1.2rem 1.5rem; }
  nav ul { gap: 1.5rem; }
  .nav-status { display: none; }
  #hero { padding: 0 1.5rem 3.5rem; }
  section, #portfolio, #cv { padding: 4rem 1.5rem; }
  #about { grid-template-columns: 1fr; gap: 3rem; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-template-columns: 1fr; }
  .cv-grid { grid-template-columns: 1fr; gap: 2rem; }
  footer { flex-direction: column; gap: 0.8rem; text-align: center; }
}

/* ── Strengths / Weaknesses ── */
.strengths-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2rem 0;
}

.strength-card {
  padding: 1.2rem 1.4rem;
  border-radius: 2px;
  border-left: 3px solid transparent;
}
.strength-card.strength {
  background: rgba(71, 255, 178, 0.05);
  border-left-color: var(--accent2);
}
.strength-card.weakness {
  background: rgba(232, 255, 71, 0.04);
  border-left-color: var(--accent);
}

.strength-label {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.3rem;
}
.strength-card.strength .strength-label { color: var(--accent2); }
.strength-card.weakness .strength-label { color: var(--accent); }

.strength-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.strength-card p {
  font-size: 0.78rem;
  color: var(--muted2);
  line-height: 1.7;
}

/* ── Projet professionnel ── */
#projet-pro { padding: 7rem 3rem; }

.projet-pro-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: start;
}

.projet-pro-text {}

/* ── Activities table ── */
.activities-intro {
  font-size: 0.82rem;
  color: var(--muted2);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.activities-table { overflow-x: auto; }

.activities-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.activities-table th {
  text-align: left;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.8rem 1.2rem;
  border-bottom: 1px solid var(--border);
}

.activities-table td {
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--border);
  color: var(--muted2);
  vertical-align: middle;
}

.activities-table td:first-child {
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.row-toggle {
  cursor: pointer;
  transition: background 0.2s;
}
.row-toggle:hover { background: var(--bg3); }
.row-toggle:hover td { color: var(--text); }
.row-toggle:hover td:first-child { color: var(--accent); }

.dd-arrow {
  color: var(--muted);
  font-size: 0.75rem;
  margin-left: 0.4rem;
  display: inline-block;
  transition: transform 0.25s;
  user-select: none;
}
.row-toggle.open .dd-arrow { transform: rotate(180deg); color: var(--accent); }

.dd-content { display: none; }
.dd-content.open { display: table-row; }

.dd-inner {
  padding: 1.5rem 2rem;
  background: var(--bg3);
  border-left: 2px solid var(--accent);
}
.dd-inner p {
  font-size: 0.82rem;
  color: var(--muted2);
  line-height: 1.8;
  margin-bottom: 0.9rem;
}
.dd-inner p:last-child { margin-bottom: 0; }

.row-static td { color: var(--muted2); }

.row-total td {
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 700;
  border-top: 1px solid var(--border-hover);
  border-bottom: none;
  padding-top: 1.2rem;
}
.row-total td:first-child { color: var(--accent); }

/* Hackathon 2024 standalone block */
.hackathon-note {
  margin-top: 3rem;
  padding: 2rem 2.5rem;
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  background: var(--bg3);
}
.section-sublabel {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
}
.hackathon-note p {
  font-size: 0.82rem;
  color: var(--muted2);
  line-height: 1.8;
  margin-bottom: 0.9rem;
}
.hackathon-note p:last-child { margin-bottom: 0; }

/* ── Mobile additions ── */
@media (max-width: 768px) {
  .strengths-grid { grid-template-columns: 1fr; }
  .projet-pro-grid { grid-template-columns: 1fr; gap: 2rem; }
  #projet-pro { padding: 4rem 1.5rem; }
  .hackathon-note { padding: 1.5rem; }
  .dd-inner { padding: 1rem 1.2rem; }
}

/* ── Intro hackathon toggle ── */
.activities-intro {
  margin-bottom: 2.5rem;
  max-width: 700px;
}

.intro-toggle {
  font-size: 0.82rem;
  color: var(--accent);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  width: 100%;
  transition: color 0.2s;
  user-select: none;
}
.intro-toggle:hover { color: var(--text); }
.intro-toggle.open .dd-arrow { transform: rotate(180deg); }

.intro-content {
  display: none;
  padding: 1.2rem 1.5rem;
  margin-top: 0.5rem;
  background: var(--bg3);
  border-left: 2px solid var(--accent);
}
.intro-content.open { display: block; }
.intro-content p {
  font-size: 0.82rem;
  color: var(--muted2);
  line-height: 1.8;
}

.dd-proof-imgs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 0.8rem;
}

.dd-proof-img {
  max-width: 50%;
  max-height: 500px;
  width: calc(50% - 0.4rem);
  object-fit: contain;
  border: 1px solid var(--border);
  border-radius: 2px;
}

@media (max-width: 768px) {
  .dd-proof-img { width: 100%; }
}