/* ==========================================================================
   Portfolio Corentin Ottavi — Feuille de style principale
   ========================================================================== */

:root[data-theme="dark"] {
  --bg-main: #090d16;
  --bg-surface: #111827;
  --bg-surface-elevated: #1a2336;
  --bg-glass: rgba(17, 24, 39, 0.78);
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --accent-primary: #10b981;
  --accent-secondary: #38bdf8;
  --border-color: rgba(255, 255, 255, 0.09);
  --border-hover: rgba(16, 185, 129, 0.45);
  --shadow-lg: 0 20px 45px -15px rgba(0, 0, 0, 0.65);
}

:root[data-theme="light"] {
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --accent-primary: #059669;
  --accent-secondary: #0284c7;
  --border-color: rgba(15, 23, 42, 0.1);
  --border-hover: rgba(5, 150, 105, 0.45);
  --shadow-lg: 0 20px 40px -15px rgba(15, 23, 42, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.mono {
  font-family: 'JetBrains Mono', monospace;
}

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Fond & effets */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(var(--border-color) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: -2;
}

.bg-glow {
  position: fixed;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  filter: blur(130px);
  opacity: 0.14;
  pointer-events: none;
  z-index: -1;
}

.bg-glow-1 {
  top: -120px;
  left: -100px;
  background: var(--accent-primary);
}

.bg-glow-2 {
  bottom: 10%;
  right: -120px;
  background: var(--accent-secondary);
}

/* Barre de navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-color);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 1rem;
}

.brand-prompt {
  color: var(--accent-primary);
}

.brand-cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--accent-primary);
  animation: blink 1.1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.nav-links {
  display: flex;
  gap: 1.75rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--accent-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.btn-icon {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, transform 0.15s;
}

.btn-icon:hover {
  border-color: var(--accent-primary);
  transform: translateY(-1px);
}

/* Section Hero */
.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
  padding: 5.5rem 1.5rem 4rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-primary);
}

.hero-title {
  font-size: clamp(2.4rem, 4.5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  color: var(--accent-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.15rem;
}

.hero-description {
  color: var(--text-secondary);
  font-size: 1.02rem;
  max-width: 60ch;
  margin-bottom: 1.85rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.3rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--accent-primary);
  color: #04130d;
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent-primary);
}

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

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.85rem 1rem;
}

.metric-val {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.metric-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Terminal Card */
.terminal-card {
  background: #0b101b;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: #131b2e;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.terminal-dots {
  display: flex;
  gap: 0.45rem;
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.terminal-title {
  font-size: 0.78rem;
  color: #9ca3af;
}

.terminal-body {
  padding: 1.25rem;
  font-size: 0.82rem;
  color: #e5e7eb;
  line-height: 1.7;
}

.term-line {
  margin-bottom: 0.5rem;
}

.prompt {
  color: #10b981;
  font-weight: 600;
}

.path {
  color: #38bdf8;
}

.term-output {
  padding-left: 0.5rem;
  margin-bottom: 1rem;
  color: #cbd5e1;
}

.term-output .key {
  color: #38bdf8;
  font-weight: 500;
}

.term-output.success {
  color: #34d399;
  margin-bottom: 0;
}

/* Sections */
.section {
  padding: 4.5rem 1.5rem;
}

.section-header {
  margin-bottom: 2.5rem;
}

.section-header-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.section-tag {
  display: block;
  font-size: 0.8rem;
  color: var(--accent-primary);
  margin-bottom: 0.35rem;
  letter-spacing: 0.06em;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Grille À propos */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.about-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.65rem;
  transition: border-color 0.2s, transform 0.2s;
}

.about-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.about-card h3 {
  font-size: 1.12rem;
  margin-bottom: 0.7rem;
}

.about-card p {
  color: var(--text-secondary);
  font-size: 0.94rem;
}

.about-card code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  color: var(--accent-secondary);
}

/* Timeline */
.timeline {
  position: relative;
  border-left: 2px solid var(--border-color);
  margin-left: 0.75rem;
  padding-left: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.timeline-item {
  position: relative;
}

.timeline-marker {
  position: absolute;
  left: -2.45rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  border: 2px solid var(--text-muted);
}

.timeline-marker.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-primary);
}

.timeline-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.5rem;
}

.timeline-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.45rem;
}

.timeline-date {
  font-size: 0.83rem;
  color: var(--accent-primary);
  font-weight: 600;
}

.timeline-badge {
  font-size: 0.75rem;
  padding: 0.15rem 0.6rem;
  border-radius: 99px;
  background: var(--bg-surface-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.timeline-content h3 {
  font-size: 1.15rem;
  margin-bottom: 0.2rem;
}

.timeline-loc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.65rem;
}

.timeline-content p {
  color: var(--text-secondary);
  font-size: 0.94rem;
}

/* Projets */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn.active,
.filter-btn:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.2s, transform 0.2s;
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.project-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.project-type {
  font-size: 0.78rem;
  color: var(--accent-secondary);
}

.project-link {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-decoration: none;
}

.project-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.94rem;
  margin-bottom: 1.35rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
}

.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

/* Compétences */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.skill-group {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.65rem;
}

.skill-group-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.skill-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg-surface-elevated);
  color: var(--accent-primary);
  font-weight: 700;
}

.skill-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.skill-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding-bottom: 0.55rem;
  border-bottom: 1px dashed var(--border-color);
}

.skill-level {
  font-size: 0.75rem;
  color: var(--accent-primary);
  white-space: nowrap;
}

/* Architecture Homelab */
.arch-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 2rem;
}

.arch-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.arch-node {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1rem 1.5rem;
  text-align: center;
  width: 100%;
  max-width: 580px;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.arch-node.highlight {
  border-color: var(--accent-primary);
}

.node-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--accent-secondary);
  letter-spacing: 0.08em;
}

.node-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.arch-arrow {
  color: var(--accent-primary);
  font-size: 1.2rem;
}

.arch-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  width: 100%;
}

/* Contact */
.contact-card {
  background: linear-gradient(135deg, var(--bg-surface), var(--bg-surface-elevated));
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.75rem;
  text-align: center;
}

.contact-card h2 {
  font-size: 1.85rem;
  margin-bottom: 0.75rem;
}

.contact-card p {
  color: var(--text-secondary);
  max-width: 58ch;
  margin: 0 auto 1.75rem;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
}

.contact-pill {
  padding: 0.65rem 1.2rem;
  border-radius: 99px;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.86rem;
  transition: border-color 0.2s, transform 0.2s;
}

.contact-pill:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.84rem;
  color: var(--text-muted);
}

.back-top {
  color: var(--text-secondary);
  text-decoration: none;
}

/* Modal Terminal Interactif */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 100;
}

.modal-backdrop.open {
  display: flex;
}

.modal-terminal {
  width: 100%;
  max-width: 720px;
  background: #0b101b;
  border: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.term-close {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #9ca3af;
  border-radius: 4px;
  padding: 0.15rem 0.45rem;
  font-size: 0.72rem;
  cursor: pointer;
}

.modal-term-body {
  padding: 1.25rem;
  height: 320px;
  overflow-y: auto;
  font-size: 0.85rem;
  color: #e5e7eb;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cmd-hint {
  color: #10b981;
  font-weight: 600;
}

.modal-term-input-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.25rem;
  background: #111827;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.modal-term-input-row input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #f3f4f6;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.86rem;
}

/* Responsive */
@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 3.5rem;
  }
  .about-grid,
  .skills-grid,
  .projects-grid,
  .arch-row {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
}