/* =============================================
   VARIABLES — GitHub Primer Design System
   ============================================= */
:root {
  /* Light mode */
  --color-bg: #ffffff;
  --color-bg-alt: #f6f8fa;
  --color-bg-glass: rgba(255, 255, 255, 0.97);
  --color-footer-bg: #f6f8fa;
  --color-text: #1f2328;
  --color-text-muted: #636c76;
  --color-accent: #0969da;
  --color-accent-light: rgba(9, 105, 218, 0.1);
  --color-success: #1a7f37;
  --color-border: #d0d7de;
  --color-border-muted: #d8dee4;
  --color-topic-bg: #ddf4ff;
  --color-topic-text: #0550ae;
  --color-avatar-bg: #eaeef2;
  --color-canvas-inset: #eaeef2;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --font-size-base: 18px;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 5rem;

  --radius: 6px;
  --radius-full: 9999px;
  --shadow-btn: 0 1px 0 rgba(27, 31, 36, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.03);
  --transition: 0.15s ease;

  --container-width: 1012px;
}

/* =============================================
   DARK THEME — GitHub Dark
   ============================================= */
[data-theme="dark"] {
  --color-bg: #0d1117;
  --color-bg-alt: #161b22;
  --color-bg-glass: rgba(13, 17, 23, 0.97);
  --color-footer-bg: #161b22;
  --color-text: #e6edf3;
  --color-text-muted: #848d97;
  --color-accent: #58a6ff;
  --color-accent-light: rgba(56, 139, 253, 0.15);
  --color-success: #52a567;
  --color-border: #30363d;
  --color-border-muted: #21262d;
  --color-topic-bg: rgba(56, 139, 253, 0.1);
  --color-topic-text: #58a6ff;
  --color-avatar-bg: #21262d;
  --color-canvas-inset: #010409;
  --shadow-btn: 0 1px 0 rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

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

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

img { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

/* =============================================
   LAYOUT UTILITIES
   ============================================= */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xxl) 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.section__subtitle {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: -1.25rem;
  margin-bottom: var(--space-lg);
}

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

/* =============================================
   BUTTONS — GitHub style
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 5px 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid;
  font-family: var(--font-family);
  text-decoration: none;
  line-height: 20px;
  white-space: nowrap;
  user-select: none;
}

.btn--primary {
  background-color: var(--color-success);
  color: #ffffff;
  border-color: rgba(27, 31, 36, 0.15);
  box-shadow: var(--shadow-btn);
}

.btn--primary:hover {
  background-color: #1a7f37;
  text-decoration: none;
}

[data-theme="dark"] .btn--primary {
  border-color: rgba(240, 246, 252, 0.1);
}

[data-theme="dark"] .btn--primary:hover {
  background-color: #46954a;
  text-decoration: none;
}

.btn--outline {
  background-color: var(--color-bg-alt);
  color: var(--color-text);
  border-color: var(--color-border);
  box-shadow: var(--shadow-btn);
}

.btn--outline:hover {
  background-color: var(--color-canvas-inset);
  text-decoration: none;
}

.btn--full {
  width: 100%;
}

/* =============================================
   HEADER / NAV — GitHub style
   ============================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--color-bg-glass);
  backdrop-filter: blur(4px);
  border-bottom: 1px solid var(--color-border);
  transition: border-color var(--transition), background-color 0.3s ease;
}

.header.scrolled {
  box-shadow: 0 1px 0 var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
  padding: 0 var(--space-md);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text);
  text-decoration: none;
}

.nav__logo:hover {
  text-decoration: none;
  color: var(--color-accent);
}

.nav__logo-img {
  display: none;
  flex-shrink: 0;
  border-radius: var(--radius);
}

.nav__logo-text {
  white-space: nowrap;
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__menu {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.nav__link {
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition), background-color var(--transition);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: var(--radius);
}

.nav__link:hover {
  background-color: var(--color-bg-alt);
  text-decoration: none;
}

.nav__link.active {
  font-weight: 600;
}

/* Bouton dark / light mode */
.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  cursor: pointer;
  width: 32px;
  height: 32px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  transition: color var(--transition), background-color var(--transition);
  margin-left: 0.5rem;
}

.theme-toggle:hover {
  color: var(--color-text);
  background-color: var(--color-bg-alt);
}

.icon-sun { display: none; }
.icon-moon { display: block; }

[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

/* Mobile toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: 1px solid var(--color-border);
  cursor: pointer;
  padding: 5px 7px;
  border-radius: var(--radius);
}

.nav__toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* =============================================
   HERO / PROFIL — GitHub profile page style
   ============================================= */
.hero {
  padding-top: 62px;
}

.profile {
  display: grid;
  grid-template-columns: 296px 1fr;
  gap: var(--space-xl);
  align-items: start;
  padding: var(--space-xl) 0;
}

/* ---- Sidebar ---- */
.profile__sidebar {
  position: sticky;
  top: 80px;
}

.profile__avatar {
  width: 72%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background-color: var(--color-avatar-bg);
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  overflow: hidden;
}

.profile__avatar svg {
  width: 58%;
  height: 58%;
}

.profile__name {
  font-size: 1.625rem;
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 4px;
}

.profile__username {
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  line-height: 1.25;
}

.profile__bio {
  font-size: 0.875rem;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.profile__actions {
  margin-bottom: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.profile__meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.profile__meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.profile__meta-item svg {
  flex-shrink: 0;
}

.profile__meta-item a {
  color: var(--color-text-muted);
}

.profile__meta-item a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* ---- Contenu principal ---- */
.profile__main {
  min-width: 0;
  padding-top: var(--space-xs);
}

.profile__section-title {
  font-size: 1rem;
  font-weight: 600;
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

/* =============================================
   À PROPOS
   ============================================= */
.about__text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

/* Topic pills — GitHub repo topics style */
.topics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--space-lg);
}

.skills {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.skills__group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.skills__label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  min-width: 100px;
  padding-top: 4px;
}

.skills__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* Réalisations */
.highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.highlight {
  border-left: 3px solid var(--color-success);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.highlight__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 4px;
}

.highlight__client {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
}

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

.highlight__desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
}

.topic {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  background-color: var(--color-topic-bg);
  color: var(--color-topic-text);
  line-height: 1.5;
  cursor: default;
  transition: background-color var(--transition), color var(--transition);
}

.topic:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* =============================================
   CV / TIMELINE
   ============================================= */
.cv__block {
  margin-bottom: var(--space-xl);
}

.cv__category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

.timeline {
  display: flex;
  flex-direction: column;
}

.timeline__item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
  position: relative;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: 120px;
  top: 10px;
  bottom: 0;
  width: 1px;
  background-color: var(--color-border);
  transform: translateX(calc(var(--space-md) / 2 - 0.5px));
}

.timeline__item:last-child::before {
  display: none;
}

.timeline__item::after {
  content: '';
  position: absolute;
  left: 120px;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-bg);
  border: 2px solid var(--color-accent);
  transform: translateX(calc(var(--space-md) / 2 - 4px));
}

.timeline__date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
  padding-top: 6px;
  text-align: right;
  font-family: var(--font-mono);
}

.timeline__duration {
  display: block;
  font-size: 0.7rem;
  opacity: 0.8;
}

.timeline__content {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-bg);
}

.timeline__title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.timeline__company {
  font-size: 0.9375rem;
  color: var(--color-accent);
  margin-bottom: 2px;
}

.timeline__sector {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 4px;
}

.timeline__mission {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.timeline__desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.timeline__tags {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: var(--space-xs);
}

.timeline__tag-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.timeline__tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background-color: var(--color-topic-bg);
  color: var(--color-topic-text);
  font-size: 0.7rem;
  font-weight: 500;
}

.timeline__team {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: var(--space-xs);
  padding-top: var(--space-xs);
  border-top: 1px solid var(--color-border-muted);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.about__list-block p {
  margin-bottom: 2px;
}

.about__list-block .timeline__list {
  margin-top: 0;
}

.stats {
  display: flex;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
  flex-wrap: wrap;
}

.stat {
  flex: 1;
  min-width: 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-sm) var(--space-xs);
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
}

.stat__value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-success);
}

.stat__label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.timeline__list {
  margin: var(--space-xs) 0 0 1.25rem;
  padding: 0;
  list-style-type: disc;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.cv__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-lg);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.cv__header-name {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 4px;
}

.cv__header-title {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin: 0;
}

.cv__header-contact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: right;
}

.cv__header-contact-item {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.cv__info-row {
  display: flex;
  gap: var(--space-xl);
}

.cv__info-row .cv__block {
  flex: 1;
}

.cv__info-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cv__info-list li {
  font-size: 0.9rem;
  color: var(--color-text);
}

.cv__download {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-lg);
}

/* =============================================
   CONTACT
   ============================================= */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.contact__value {
  font-size: 0.875rem;
  color: var(--color-text);
}

a.contact__value:hover {
  color: var(--color-accent);
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  background-color: var(--color-bg);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form__group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.form__group input,
.form__group textarea {
  padding: 5px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-family);
  font-size: 0.875rem;
  color: var(--color-text);
  background-color: var(--color-bg-alt);
  transition: border-color var(--transition), box-shadow var(--transition), background-color 0.3s ease;
  resize: vertical;
  line-height: 20px;
}

.form__group input:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.3);
  background-color: var(--color-bg);
}

[data-theme="dark"] .form__group input:focus,
[data-theme="dark"] .form__group textarea:focus {
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.3);
}

.form__note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* =============================================
   FOOTER — GitHub style
   ============================================= */
.footer {
  background-color: var(--color-footer-bg);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: var(--space-lg) 0;
  text-align: center;
  font-size: 0.75rem;
  transition: background-color 0.3s ease;
}

.footer__legal {
  margin-top: 0.25rem;
  font-size: 0.7rem;
  opacity: 0.75;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1012px) {
  :root {
    --space-xxl: 3rem;
  }

  .cv-page .section__title {
    text-align: center;
  }

  /* Nav mobile — horizontal, pas de menu déroulant */
  .nav__toggle {
    display: none;
  }

  .nav__logo {
    flex-shrink: 0;
  }

  .nav__logo-img {
    display: block;
  }

  .nav__logo-text {
    display: none;
  }

  .nav__menu {
    position: static;
    flex-direction: row;
    padding: 0;
    gap: 2px;
    background-color: transparent;
    border-bottom: none;
    box-shadow: none;
    transform: none;
    transition: none;
    flex-wrap: wrap;
  }

  .nav__link {
    width: auto;
    padding: 6px 8px;
    font-size: 0.85rem;
  }

  .nav__link.active {
    display: none;
  }

  /* Profil */
  .profile {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .profile__sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: var(--space-md);
    row-gap: var(--space-xs);
    align-items: start;
  }

  .profile__avatar {
    width: 120px;
    margin-bottom: 0;
    margin-right: var(--space-sm);
    grid-column: 1;
    grid-row: 1 / 3;
    justify-self: end;
    align-self: center;
  }

  .profile__name {
    grid-column: 2;
    grid-row: 1;
    align-self: end;
    text-align: left;
    font-size: 1.25rem;
    margin-left: var(--space-sm);
  }

  .profile__actions {
    grid-column: 2;
    grid-row: 2;
    align-self: start;
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 0;
    margin-left: var(--space-sm);

  }

  .profile__actions .btn {
    width: auto;
  }

  .profile__username,
  .profile__bio,
  .profile__meta {
    grid-column: 1 / -1;
  }

  /* Timeline */
  .timeline__item {
    grid-template-columns: 1fr;
  }

  .timeline__item::before,
  .timeline__item::after {
    display: none;
  }

  .timeline__date {
    text-align: left;
    color: var(--color-accent);
    font-weight: 600;
  }

  .timeline__duration {
    display: inline;
  }

  /* Contact */
  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 392px) {
  .profile__sidebar {
    grid-template-columns: 1fr;
  }

  .profile__avatar {
    width: 120px;
    grid-column: 1;
    grid-row: 1;
    justify-self: center;
    margin-right: auto;
    margin-left: auto;
  }

  .profile__name {
    grid-column: 1;
    grid-row: 2;
    text-align: center;
    margin-left: 0;
  }

  .profile__actions {
    grid-column: 1;
    grid-row: 3;
    align-items: center;
    margin-left: 0;
  }

  .profile__username,
  .profile__bio,
  .profile__meta {
    grid-column: 1;
  }

  .cv__download {
    flex-direction: column;
    align-items: center;
  }
}