/* style.css — Mise en page et composants */

/* =========================================
   RESET & BASE
   ========================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s, color 0.3s;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 700;
  line-height: 1.1;
}

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 3px;
}

/* =========================================
   CONTAINER
   ========================================= */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .container { padding: 0 2.5rem; }
}

/* =========================================
   HEADER & NAV
   ========================================= */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s, background-color 0.3s, backdrop-filter 0.3s;
}

@media (min-width: 768px) {
  .site-header { padding: 0 2.5rem; }
}

.site-header.is-scrolled {
  background-color: rgba(8, 8, 13, 0.82);
  border-color: var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 24px var(--shadow);
}

[data-theme="light"] .site-header.is-scrolled {
  background-color: rgba(245, 243, 255, 0.85);
}

.nav {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  transition: opacity 0.2s;
}

.nav-logo:hover { opacity: 0.65; }

.logo-bracket { color: var(--amber); }

.nav-links {
  display: none;
  gap: 0.125rem;
  margin-left: auto;
}

@media (min-width: 768px) {
  .nav-links { display: flex; }
}

.nav-links a {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 6px;
  transition: color 0.2s, background-color 0.2s;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--text);
  background-color: var(--bg-secondary);
}

.theme-toggle {
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.2s, color 0.2s, background-color 0.2s;
}

@media (min-width: 768px) {
  .theme-toggle { margin-left: 0; }
}

.theme-toggle:hover {
  border-color: var(--amber);
  color: var(--amber);
  background-color: var(--amber-muted);
}

.theme-icon {
  display: none;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
}

[data-theme="light"] .theme-icon--moon { display: flex; }
[data-theme="dark"]  .theme-icon--sun  { display: flex; }

/* =========================================
   INTRO PROJETS
   ========================================= */
.projects-intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.projects-intro-left { flex: 1; }


@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
  50%       { opacity: 0.7; transform: scale(0.8); box-shadow: 0 0 0 6px rgba(245, 158, 11, 0); }
}

/* =========================================
   BOUTONS
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  font-family: 'Chakra Petch', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 8px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  line-height: 1;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn--primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(var(--accent-rgb), 0.4);
}

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

.btn--ghost:hover {
  border-color: var(--amber);
  color: var(--amber);
  transform: translateY(-2px);
}

/* =========================================
   SECTIONS
   ========================================= */
.section {
  padding: 5rem 0;
}

@media (min-width: 768px) {
  .section { padding: 8rem 0; }
}

/* Première section — compense la navbar fixe */
.section--projects {
  padding-top: calc(64px + 2.5rem);
}

@media (min-width: 768px) {
  .section--projects { padding-top: calc(64px + 4rem); }
}

.section-header {
  margin-bottom: 3rem;
}

.section-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem; 
  letter-spacing: 0.12em;
  color: var(--amber);
  margin-bottom: 0.6rem;
}

.section-title {
  font-size: clamp(1.875rem, 4vw, 3rem);
  letter-spacing: -0.03em;
}

/* =========================================
   PROJETS — BENTO GRID
   ========================================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 210px;
  gap: 10px;
}

/* Carte 1 — vedette */
.project-card:nth-child(1) {
  grid-column: span 4;
  grid-row: span 2;
}

/* Cartes 2 et 3 — colonne droite */
.project-card:nth-child(2),
.project-card:nth-child(3) {
  grid-column: span 2;
}

/* Cartes 4 et 5 — rangée large */
.project-card:nth-child(4),
.project-card:nth-child(5) {
  grid-column: span 3;
}

/* Cartes 6+ — standard */
.project-card:nth-child(n+6) {
  grid-column: span 2;
}

@media (max-width: 767px) {
  .projects-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }

  .project-card:nth-child(n) {
    grid-column: span 1 !important;
    grid-row: span 1 !important;
  }
}

@media (min-width: 480px) and (max-width: 767px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 180px;
  }

  .project-card:nth-child(1) {
    grid-column: span 2 !important;
    grid-row: span 1 !important;
  }
}

/* --- Cartes projet (style overlay) --- */
.project-card {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: scale(1.015);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 16px 48px var(--shadow-strong);
  z-index: 2;
}

/* Fond dégradé par défaut (quand pas d'image) */
.project-card:nth-child(1) { --card-grad: linear-gradient(135deg, #1a0533 0%, #5b21b6 100%); }
.project-card:nth-child(2) { --card-grad: linear-gradient(135deg, #0a0a14 0%, #3730a3 100%); }
.project-card:nth-child(3) { --card-grad: linear-gradient(135deg, #1c0a0a 0%, #92400e 80%); }
.project-card:nth-child(4) { --card-grad: linear-gradient(135deg, #080d1a 0%, #1e3a5f 100%); }
.project-card:nth-child(5) { --card-grad: linear-gradient(135deg, #0d0a1a 0%, #4c1d95 100%); }
.project-card:nth-child(n+6) { --card-grad: linear-gradient(135deg, #0a0e1a 0%, #312e81 100%); }

/* Image plein format */
.project-card-image {
  position: absolute;
  inset: 0;
  margin: 0;
  background: var(--card-grad);
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease, opacity 0.3s;
}

.project-card:hover .project-card-image img {
  transform: scale(1.06);
}

/* Overlay dégradé pour la lisibilité du texte */
.project-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(4, 2, 12, 0.95) 0%,
    rgba(4, 2, 12, 0.5)  45%,
    rgba(4, 2, 12, 0.1)  100%
  );
  pointer-events: none;
  transition: opacity 0.3s;
}

[data-theme="light"] .project-card::after {
  background: linear-gradient(
    to top,
    rgba(10, 4, 24, 0.9) 0%,
    rgba(10, 4, 24, 0.4)  45%,
    rgba(10, 4, 24, 0.05) 100%
  );
}

/* Corps de carte — positionné en bas */
.project-card-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.project-card-title {
  font-size: 1rem;
  color: #fff;
  letter-spacing: -0.01em;
  text-shadow: 0 1px 8px rgba(0,0,0,0.6);
}

.project-card:nth-child(1) .project-card-title {
  font-size: 1.3rem;
}

.project-card-description {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.5;
  display: none;
}

.project-card:nth-child(1) .project-card-description,
.project-card:nth-child(4) .project-card-description,
.project-card:nth-child(5) .project-card-description {
  display: block;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.63rem;
  padding: 0.15rem 0.5rem;
  background: rgba(139, 92, 246, 0.25);
  color: rgba(255,255,255,0.8);
  border: 1px solid rgba(139, 92, 246, 0.4);
  border-radius: 4px;
  backdrop-filter: blur(4px);
}

.project-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: 'Chakra Petch', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--amber);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s, transform 0.2s, gap 0.2s;
}

.project-card:hover .project-card-link {
  opacity: 1;
  transform: translateY(0);
}

.project-card-link:hover { gap: 0.55rem; }

/* Placeholder (pas encore de projets) */
.projects-empty {
  grid-column: 1 / -1;
  padding: 3.5rem 2rem;
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* =========================================
   COMPÉTENCES
   ========================================= */
.section--skills {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem 1.5rem;
}

@media (min-width: 768px) {
  .skills-grid { grid-template-columns: repeat(4, 1fr); }
}

.skill-category-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1rem;
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skill-list li {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding-left: 0.75rem;
  border-left: 2px solid var(--border-strong);
  line-height: 1.5;
  transition: color 0.2s, border-color 0.2s;
}

.skill-list li:hover {
  color: var(--text);
  border-color: var(--accent);
}

/* =========================================
   À PROPOS
   ========================================= */
.about-layout {
  display: flex;
  flex-direction: column-reverse;
  gap: 3rem;
  align-items: flex-start;
}

@media (min-width: 768px) {
  .about-layout {
    flex-direction: row;
    align-items: center;
    gap: 5rem;
  }
}

.about-text { flex: 1; }

.about-text p {
  color: var(--text-muted);
  line-height: 1.85;
  max-width: 560px;
}

.about-text p + p { margin-top: 1rem; }

.about-avatar { margin: 0; }

.about-avatar img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-strong);
  transition: border-color 0.3s, box-shadow 0.3s;
}

@media (min-width: 768px) {
  .about-avatar img { width: 240px; height: 240px; }
}

.about-avatar img:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.15);
}

/* =========================================
   CONTACT
   ========================================= */
.section--contact {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.contact-intro {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

@media (min-width: 480px) {
  .contact-links {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  font-weight: 500;
  font-size: 0.925rem;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s, background-color 0.2s;
}

.contact-link:hover {
  border-color: var(--accent);
  background: var(--surface-raised);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--shadow);
}

.contact-link-icon {
  color: var(--accent);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* =========================================
   FOOTER
   ========================================= */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.site-footer p {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* =========================================
   SCROLL REVEAL
   ========================================= */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal:nth-child(6) { transition-delay: 0.5s; }

/* =========================================
   RÉDUCTION DU MOUVEMENT
   ========================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}