/* ============================================
   VARIABLES & RESET
   ============================================ */
:root {
  --bg: #080808;
  --bg-2: #0f0f0f;
  --bg-card: rgba(255, 255, 255, 0.03);
  --border: rgba(255, 255, 255, 0.08);
  --accent: #d4d4d4;
  --accent-dim: rgba(212, 212, 212, 0.08);
  --accent-glow: rgba(212, 212, 212, 0.15);
  --text: #f0f0f0;
  --text-muted: rgba(240, 240, 240, 0.38);
  --text-dim: rgba(240, 240, 240, 0.62);
  --font-display: 'Syne', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;
  --radius: 3px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ============================================
   CANVAS BACKGROUND
   ============================================ */
#bgCanvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

/* ============================================
   CUSTOM CURSOR
   ============================================ */
.cursor {
  position: fixed;
  width: 8px;
  height: 8px;
  background: #ffffff;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease;
  mix-blend-mode: difference;
}

.cursor-follower {
  position: fixed;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease, opacity 0.3s ease;
}

/* ============================================
   ACCENT & UTILITY
   ============================================ */
.accent {
  color: var(--accent);
}

.outline {
  -webkit-text-stroke: 2px var(--accent);
  color: transparent;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 3rem;
  background: rgba(8, 8, 8, 0.7);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  transition: padding var(--transition);
}

.navbar.scrolled {
  padding: 1rem 3rem;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--text);
  transition: width var(--transition);
}

.nav-link:hover { color: var(--text); }
.nav-link:hover::after { width: 100%; }

.nav-cta {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text);
  border-radius: var(--radius);
  transition: background var(--transition), border-color var(--transition);
}

.nav-cta:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  cursor: none;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: #ffffff;
  color: #080808;
  border-color: #ffffff;
}

.btn-primary:hover {
  background: transparent;
  color: #ffffff;
}

.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--text);
}

.btn-large {
  padding: 1.1rem 2.5rem;
  font-size: 1rem;
  margin-top: 2.5rem;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 3rem;
  padding-top: 6rem;
}

.hero-content {
  max-width: 100%;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 2.5rem;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #9dff9d;
  display: inline-block;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9.5vw, 10.5rem);
  font-weight: 800;
  line-height: 0.88;
  letter-spacing: -0.03em;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  /* Prevent overflow */
  word-break: break-word;
}

.hero-title .line {
  display: block;
}

.outline {
  -webkit-text-stroke: 2px var(--accent);
  color: transparent;
}

.hero-sub {
  font-size: clamp(0.95rem, 1.6vw, 1.2rem);
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: 0.02em;
  margin-bottom: 1.2rem;
}

.hero-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 500px;
  line-height: 1.85;
  margin-bottom: 2.5rem;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 3rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scroll-line {
  width: 60px;
  height: 1px;
  background: var(--border);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: var(--accent);
  animation: scrollSlide 2s ease-in-out infinite;
}

@keyframes scrollSlide {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* ============================================
   SECTION BASE
   ============================================ */
.section {
  position: relative;
  z-index: 1;
  padding: 8rem 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 3rem;
}

.section-header {
  margin-bottom: 4rem;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--text);
}

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

.project-card {
  background: var(--bg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-card:hover {
  background: rgba(255, 255, 255, 0.02);
}

.project-card.featured {
  background: rgba(255, 255, 255, 0.015);
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.card-num {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  flex-shrink: 0;
}

.card-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.tag {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text-muted);
  transition: border-color var(--transition), color var(--transition);
}

.project-card:hover .tag {
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--text-dim);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.8;
  flex: 1;
}

.card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.card-status {
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.accent-dot {
  background: #9dff9d;
  box-shadow: 0 0 8px rgba(157, 255, 157, 0.6);
}

.awards {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.award {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Pipeline (projet 05) */
.project-pipeline {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex-wrap: wrap;
}

.pipeline-step {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  flex: 1;
  min-width: 180px;
}

.pipeline-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.pipeline-step strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.2rem;
}

.pipeline-step p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.pipeline-arrow {
  font-size: 1.2rem;
  color: var(--text-muted);
  align-self: center;
  flex-shrink: 0;
}

.card-gh-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  transition: color var(--transition);
}

.card-gh-link:hover {
  color: var(--text);
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 200px;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--border);
}

.timeline-item {
  display: grid;
  grid-template-columns: 200px 1px 1fr;
  padding: 3rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.timeline-item:last-child {
  border-bottom: none;
}

.timeline-left {
  display: flex;
  align-items: flex-start;
  padding-top: 0.25rem;
  justify-content: flex-end;
  padding-right: 3rem;
}

.timeline-year {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  white-space: nowrap;
}

.timeline-dot {
  position: relative;
  display: flex;
  justify-content: center;
  padding-top: 0.45rem;
}

.timeline-dot::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.timeline-right {
  padding-left: 3rem;
}

.timeline-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
}

.timeline-place {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 0.8rem;
  letter-spacing: 0.02em;
}

.timeline-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 520px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  position: relative;
  z-index: 1;
  padding: 8rem 0 3rem;
  border-top: 1px solid var(--border);
}

.footer-cta-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.footer-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 7.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.92;
  margin-bottom: 2rem;
  color: var(--text);
}

.footer-title .accent {
  color: var(--accent);
}

.footer-sub {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 460px;
  line-height: 1.85;
}

.footer-links {
  display: flex;
  flex-direction: column;
  margin-top: 3.5rem;
  border-top: 1px solid var(--border);
}

.footer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left var(--transition);
  color: var(--text-dim);
}

.footer-link:hover {
  padding-left: 0.5rem;
}

.link-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  width: 100px;
  flex-shrink: 0;
}

.link-val {
  font-size: 0.92rem;
  font-weight: 500;
  flex: 1;
  text-align: right;
  transition: color var(--transition);
}

.footer-link:hover .link-val {
  color: var(--text);
}

.footer-bottom {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.76rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

/* ============================================
   REVEAL ANIMATION
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card[data-index="0"] { transition-delay: 0s; }
.project-card[data-index="1"] { transition-delay: 0.08s; }
.project-card[data-index="2"] { transition-delay: 0.16s; }
.project-card[data-index="3"] { transition-delay: 0.24s; }
.project-card[data-index="4"] { transition-delay: 0.32s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .timeline::before { left: 160px; }
  .timeline-item { grid-template-columns: 160px 1px 1fr; }
  .timeline-left { padding-right: 2rem; }
  .timeline-right { padding-left: 2rem; }
}

@media (max-width: 768px) {
  .navbar { padding: 1.1rem 1.5rem; }
  .navbar.scrolled { padding: 0.85rem 1.5rem; }
  .nav-links { display: none; }

  .hero { padding: 0 1.5rem; padding-top: 5rem; }
  .hero-scroll-indicator { left: 1.5rem; }

  .container { padding: 0 1.5rem; }
  .section { padding: 5rem 0; }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-card[style] {
    grid-column: 1 !important;
  }

  .pipeline-arrow { display: none; }
  .project-pipeline { flex-direction: column; gap: 1.2rem; }

  .timeline::before { display: none; }
  .timeline-item {
    grid-template-columns: 1fr;
    padding: 2rem 0;
  }
  .timeline-left {
    padding-right: 0;
    justify-content: flex-start;
    margin-bottom: 0.5rem;
  }
  .timeline-dot { display: none; }
  .timeline-right { padding-left: 0; }

  .footer { padding: 5rem 0 2rem; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero-btns { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .footer-link { flex-direction: column; align-items: flex-start; gap: 0.2rem; }
  .link-val { text-align: left; }
  .card-tags { justify-content: flex-start; }
}

@media (max-width: 768px) {
  .cursor, .cursor-follower { display: none; }
  body { cursor: auto; }
}