/* ================================================
   YANNICK COMPAORE — PORTFOLIO
   Theme: Tech Noir · Gold Accent · African Heritage
   ================================================ */

:root {
  --bg: #080c10;
  --bg-2: #0d1117;
  --bg-3: #111820;
  --surface: #141b24;
  --surface-2: #1a2330;
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(212,175,55,0.3);

  --gold: #d4af37;
  --gold-light: #f0cc5a;
  --gold-dim: rgba(212,175,55,0.15);
  --green: #00e5a0;
  --green-dim: rgba(0,229,160,0.1);

  --text: #e8edf2;
  --text-2: #8899aa;
  --text-3: #4a5a6a;

  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Mono', monospace;
  --font-serif: 'Fraunces', serif;

  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}

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

/* ====== CURSOR ====== */
.cursor {
  position: fixed;
  width: 10px;
  height: 10px;
  background: var(--gold);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, width 0.3s, height 0.3s, opacity 0.3s;
  mix-blend-mode: difference;
}
.cursor-trail {
  position: fixed;
  width: 36px;
  height: 36px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease, opacity 0.3s;
  opacity: 0.5;
}
body:hover .cursor { opacity: 1; }
a:hover ~ .cursor, button:hover ~ .cursor { width: 20px; height: 20px; }

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

/* ====== CONTAINER ====== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ====== NAV ====== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(8,12,16,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 14px 40px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.nav-logo .dot { color: var(--gold); }

.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-links a {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-2);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 10px 22px;
  border: 1px solid var(--gold);
  color: var(--gold);
  border-radius: 40px;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-cta:hover { background: var(--gold); color: var(--bg); }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: none;
  padding: 4px;
}
.burger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  transition: var(--transition);
  border-radius: 1px;
}

/* ====== MOBILE MENU ====== */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--bg-2);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu ul { display: flex; flex-direction: column; gap: 32px; text-align: center; }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-2);
  transition: color var(--transition);
}
.mobile-menu a:hover { color: var(--gold); }

/* ====== HERO ====== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212,175,55,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,175,55,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: drift 12s ease-in-out infinite alternate;
}
.blob-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(212,175,55,0.2), transparent 70%);
  top: -200px; right: -100px;
}
.blob-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,229,160,0.15), transparent 70%);
  bottom: -100px; left: -100px;
  animation-delay: -4s;
}
.blob-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(212,175,55,0.1), transparent 70%);
  top: 50%; left: 40%;
  animation-delay: -8s;
}
@keyframes drift {
  0% { transform: translate(0,0) scale(1); }
  100% { transform: translate(30px, 20px) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 80px 40px 80px 80px;
  max-width: 900px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.2s;
}
.tag-dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}
@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(4rem, 10vw, 9rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}
.line {
  display: block;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards;
}
.line:nth-child(1) { animation-delay: 0.4s; }
.accent-line {
  color: transparent;
  -webkit-text-stroke: 2px var(--gold);
  animation-delay: 0.6s;
}

.hero-sub {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 300;
  color: var(--text-2);
  margin-bottom: 40px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.8s;
}
.hero-sub em { color: var(--gold); font-style: normal; }

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 1s;
}
.btn-primary {
  padding: 14px 32px;
  background: var(--gold);
  color: var(--bg);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 4px;
  transition: var(--transition);
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); }
.btn-ghost {
  padding: 14px 32px;
  border: 1px solid var(--border);
  color: var(--text-2);
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 4px;
  transition: var(--transition);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 1.2s;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}
.stat-label { font-size: 0.7rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.1em; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

.hero-scroll {
  position: absolute;
  bottom: 40px;
  right: 60px;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-3);
  opacity: 0;
  animation: fadeIn 1s ease forwards 1.5s;
  writing-mode: vertical-rl;
}
.scroll-line {
  width: 1px; height: 60px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: extend 2s ease-in-out infinite;
}
@keyframes extend {
  0%, 100% { height: 40px; opacity: 0.4; }
  50% { height: 70px; opacity: 1; }
}

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

/* ====== REVEAL ====== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ====== SECTION ====== */
.section { padding: 120px 0; }

.section-tag {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.05;
  margin-bottom: 60px;
}
.section-title em { color: var(--gold); font-style: italic; font-family: var(--font-serif); font-weight: 300; }

/* ====== ABOUT ====== */
.about { background: var(--bg-2); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.about-text { color: var(--text-2); margin-bottom: 20px; font-size: 0.95rem; }
.about-text strong { color: var(--text); }
.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}
.badge {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 40px;
  font-size: 0.75rem;
  color: var(--text-2);
  background: var(--surface);
  transition: var(--transition);
}
.badge:hover { border-color: var(--gold); color: var(--gold); }
.about-links { display: flex; gap: 16px; }
.about-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.78rem;
  color: var(--text-2);
  transition: var(--transition);
}
.about-link svg { width: 16px; height: 16px; }
.about-link:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }

/* ====== SKILLS ====== */
.skills { background: var(--bg); }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.skill-card:hover::before { transform: scaleX(1); }
.skill-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.skill-icon { font-size: 1.8rem; margin-bottom: 16px; }
.skill-card h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
  color: var(--text);
}
.skill-card ul { display: flex; flex-wrap: wrap; gap: 8px; }
.tech-pill {
  padding: 4px 12px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 40px;
  font-size: 0.72rem;
  color: var(--text-2);
  display: inline-block;
  transition: var(--transition);
}
.skill-card:hover .tech-pill { border-color: rgba(212,175,55,0.2); }

/* ====== EXPERIENCE ====== */
.experience { background: var(--bg-2); }
.timeline { position: relative; }
.timeline-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 24px;
  margin-bottom: 48px;
}
.tl-marker { display: flex; flex-direction: column; align-items: center; padding-top: 6px; }
.tl-dot {
  width: 14px; height: 14px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  background: var(--bg-2);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: var(--transition);
}
.timeline-item:hover .tl-dot { background: var(--gold); }
.tl-line { width: 1px; flex: 1; background: var(--border); margin-top: 8px; }
.tl-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  transition: var(--transition);
}
.tl-content:hover { border-color: var(--border-hover); transform: translateX(4px); }
.tl-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 8px;
}
.tl-role {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.tl-company { font-size: 0.8rem; color: var(--gold); }
.tl-date {
  font-size: 0.72rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
  white-space: nowrap;
  padding-top: 4px;
}
.tl-bullets { margin-bottom: 16px; }
.tl-bullets li {
  font-size: 0.85rem;
  color: var(--text-2);
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}
.tl-bullets li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 0.7rem;
  top: 6px;
}
.tl-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tl-tags span {
  padding: 3px 10px;
  background: var(--gold-dim);
  border: 1px solid rgba(212,175,55,0.2);
  border-radius: 4px;
  font-size: 0.7rem;
  color: var(--gold-light);
  letter-spacing: 0.06em;
}

/* ====== PROJECTS ====== */
.projects { background: var(--bg); }
.projects-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.proj-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.proj-card:hover { border-color: var(--border-hover); transform: translateY(-6px); }
.proj-card.featured {
  background: linear-gradient(135deg, var(--surface) 0%, rgba(212,175,55,0.05) 100%);
  border-color: rgba(212,175,55,0.2);
}
.proj-card.featured .proj-badge {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}
.proj-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--border);
  line-height: 1;
  margin-bottom: 16px;
  transition: color var(--transition);
}
.proj-card:hover .proj-num { color: rgba(212,175,55,0.15); }
.proj-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.proj-card p { font-size: 0.85rem; color: var(--text-2); margin-bottom: 20px; flex: 1; line-height: 1.7; }
.proj-stack { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.proj-stack span {
  padding: 3px 10px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.68rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
  transition: var(--transition);
}
.proj-card:hover .proj-stack span { border-color: rgba(212,175,55,0.2); color: var(--text-2); }
.proj-link {
  font-size: 0.78rem;
  color: var(--gold);
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
  margin-top: auto;
}
.proj-link:hover { gap: 10px; }

/* ====== FORMATION ====== */
.formation { background: var(--bg-2); }
.edu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.edu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
}
.edu-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.edu-icon { font-size: 2rem; }
.edu-info { display: flex; flex-direction: column; gap: 6px; }
.edu-info h3 { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--text); }
.edu-school { font-size: 0.82rem; color: var(--gold); }
.edu-spec { font-size: 0.78rem; color: var(--text-2); }
.edu-date { font-size: 0.7rem; color: var(--text-3); letter-spacing: 0.08em; margin-top: 4px; }

/* ====== CONTACT ====== */
.contact { background: var(--bg); }
.contact-sub { font-size: 1rem; color: var(--text-2); margin-top: -40px; margin-bottom: 60px; }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: var(--transition);
  cursor: none;
}
.contact-card:hover { border-color: var(--gold); transform: translateY(-4px); background: var(--gold-dim); }
.cc-icon { font-size: 1.5rem; margin-bottom: 4px; }
.cc-label { font-size: 0.68rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-3); }
.cc-value { font-size: 0.82rem; color: var(--text); word-break: break-all; }

/* ====== FOOTER ====== */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
}
.footer-logo span { color: var(--gold); }
.footer p { font-size: 0.78rem; color: var(--text-3); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 0.78rem; color: var(--text-3); transition: color var(--transition); }
.footer-links a:hover { color: var(--gold); }

/* ====== RESPONSIVE ====== */
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { flex-direction: column; }
  .edu-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .nav { padding: 16px 24px; }
  .nav.scrolled { padding: 12px 24px; }
  .nav-links, .nav-cta { display: none; }
  .burger { display: flex; }

  .hero-content { padding: 60px 24px; }
  .hero-stats { gap: 20px; }
  .stat-num { font-size: 1.5rem; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { flex-direction: column; }
  .edu-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .section { padding: 80px 0; }
  .tl-header { flex-direction: column; }
  .hero-scroll { display: none; }
  .cursor, .cursor-trail { display: none; }
  body { cursor: auto; }
}