/* ==========================================================================
   marvin-tonolo.fr — Fondations CSS
   Variables, polices, reset, composants réutilisables, structure responsive.
   Vanilla CSS — pas de préprocesseur, pas de framework.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Variables
   -------------------------------------------------------------------------- */

:root {
  /* Couleurs */
  --color-paper: #F7F6F3;
  --color-ink: #1C1E21;
  --color-ink-rgb: 28, 30, 33;
  --color-line: #DEDBD3;
  --color-text-secondary: #3A3D42;
  --color-text-tertiary: #6B6F76;
  --color-done-bg: #E4EEEA;
  --color-done-text: #1F4438;
  --color-progress-bg: #FCF3DF;
  --color-progress-text: #7A5306;
  --color-accent: #2F5D50;

  --color-surface: #FFFFFF;

  /* Typographie */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Rythme / échelle */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;

  --radius-sm: 4px;
  --radius-md: 6px;

  --container-max-width: 720px;
  --container-padding: var(--space-3);

  /* Hauteur réelle mesurée du header : ~116px mobile (marque + nav sur 2
     lignes), ~59px desktop (une ligne). Marge de sécurité ajoutée pour
     absorber un futur libellé de nav plus long ou un rendu de police
     différent — à revérifier si le contenu du header change. */
  --header-height: 140px;
}

@media (min-width: 768px) {
  :root {
    --header-height: 76px;
  }
}

/* --------------------------------------------------------------------------
   2. Polices (@font-face)
   -------------------------------------------------------------------------- */

@font-face {
  font-family: 'Space Grotesk';
  src: url('../assets/fonts/Space_Grotesk/SpaceGrotesk-Regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Space Grotesk';
  src: url('../assets/fonts/Space_Grotesk/SpaceGrotesk-Medium.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'Space Grotesk';
  src: url('../assets/fonts/Space_Grotesk/SpaceGrotesk-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: 'Space Grotesk';
  src: url('../assets/fonts/Space_Grotesk/SpaceGrotesk-Bold.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../assets/fonts/Inter/Inter-Regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../assets/fonts/Inter/Inter-Italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../assets/fonts/Inter/Inter18pt-Medium.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../assets/fonts/Inter/Inter18pt-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../assets/fonts/Inter/Inter18pt-Bold.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../assets/fonts/IBM_Plex_Mono/IBMPlexMono-Medium.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}

/* --------------------------------------------------------------------------
   3. Reset / Base
   -------------------------------------------------------------------------- */

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

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
picture,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

ul,
ol {
  list-style: none;
}

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

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

button {
  cursor: pointer;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
}

/* --------------------------------------------------------------------------
   4. Accessibilité — focus visible, préférences de mouvement
   -------------------------------------------------------------------------- */

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* --------------------------------------------------------------------------
   5. Structure / conteneur de page
   -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  padding-block: var(--space-6);
  scroll-margin-top: var(--header-height);
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-7);
  }
}

/* --------------------------------------------------------------------------
   6. Typographie utilitaire
   -------------------------------------------------------------------------- */

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-2);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 24px;
  color: var(--color-ink);
}

@media (min-width: 768px) {
  .section-title {
    font-size: 28px;
  }
}

.hero-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 36px;
  color: var(--color-ink);
}

@media (min-width: 768px) {
  .hero-name {
    font-size: 48px;
  }
}

.text-secondary {
  color: var(--color-text-secondary);
}

.text-tertiary {
  color: var(--color-text-tertiary);
}

/* --------------------------------------------------------------------------
   7. Séparateur de section
   -------------------------------------------------------------------------- */

.section-divider {
  border: none;
  border-top: 1px solid var(--color-line);
  margin: 0;
}

/* --------------------------------------------------------------------------
   8. Boutons
   -------------------------------------------------------------------------- */

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 15px;
  line-height: 1.2;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.hero-cta .btn-primary,
.hero-cta .btn-secondary {
  min-width: 11.5rem;
}

.btn-primary {
  background-color: var(--color-ink);
  color: var(--color-paper);
  border: 1px solid var(--color-ink);
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-ink);
}

.btn-secondary:hover {
  background-color: var(--color-ink);
  color: var(--color-paper);
}

/* --------------------------------------------------------------------------
   9. Badges
   -------------------------------------------------------------------------- */

.badge-done,
.badge-progress {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  line-height: 1.4;
}

.badge-done {
  background-color: var(--color-done-bg);
  color: var(--color-done-text);
}

.badge-progress {
  background-color: var(--color-progress-bg);
  color: var(--color-progress-text);
}

/* --------------------------------------------------------------------------
   10. Card
   -------------------------------------------------------------------------- */

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

/* --------------------------------------------------------------------------
   11. Avatar / placeholder du hero
   -------------------------------------------------------------------------- */

.hero-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  background-color: var(--color-line);
  flex-shrink: 0;
}

.hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 768px) {
  .hero-avatar {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 4;
    border-radius: var(--radius-md);
  }
}

/* --------------------------------------------------------------------------
   12. Layout hero (colonne mobile, deux colonnes desktop)
   -------------------------------------------------------------------------- */

.hero-layout {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .hero-layout {
    flex-direction: row-reverse;
    align-items: center;
    gap: var(--space-6);
  }

  .hero-layout > .hero-avatar {
    max-width: 240px;
  }
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  background-color: transparent;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 5px 12px;
  margin-bottom: var(--space-3);
}

/* --------------------------------------------------------------------------
   13. En-tête / navigation
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-paper);
  border-bottom: 1px solid var(--color-line);
  box-shadow: 0 1px 2px rgba(var(--color-ink-rgb), 0.04);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-block: var(--space-3);
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  font-family: var(--font-mono);
  font-size: 13px;
}

.nav-list a {
  color: var(--color-text-secondary);
}

.nav-list a:hover {
  color: var(--color-ink);
}

/* --------------------------------------------------------------------------
   14. Groupe de boutons (hero, contact)
   -------------------------------------------------------------------------- */

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.hero-tagline {
  margin-top: var(--space-3);
  max-width: 48ch;
  font-family: var(--font-body);
  text-align: left;
}

/* --------------------------------------------------------------------------
   15. Compétences clés
   -------------------------------------------------------------------------- */

.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

@media (min-width: 768px) {
  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--color-accent);
  line-height: 1.20;
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: none;
  margin-bottom: var(--space-2);
}

.skill-item h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--color-ink);
  line-height: 1.30;
  text-align: left;
  text-transform: none;
  margin-bottom: var(--space-1);
}

.skill-item p {
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 400;
  line-height: 1.55;
  text-align: left;
  text-transform: none;
}

.skills-extra {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-line);
}

.skills-extra h3 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-2);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
}

/* --------------------------------------------------------------------------
   16. Preuves concrètes
   -------------------------------------------------------------------------- */

.proof-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

@media (min-width: 768px) {
  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card-header {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.card-header h3 {
  font-size: 16px;
  font-weight: 700;
}

.card-header .badge-done,
.card-header .badge-progress {
  flex-shrink: 0;
}

.proof-content {
  display: flex;
  flex-direction: column;
}

.proof-block {
  margin-top: var(--space-2);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  line-height: 22px;
  text-transform: none;
}

.proof-block:first-child {
  margin-top: 0;
}

.proof-block strong {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 22px;
  text-transform: none;
}

.proof-divider {
  border: none;
  border-top: 1px solid var(--color-line);
  /* Le bloc suivant ajoute déjà --space-2 en margin-top (flex column, pas
     de fusion de marges) : on compense ici pour un espacement symétrique
     de --space-3 de part et d'autre du trait. */
  margin: var(--space-3) 0 var(--space-2);
}

/* --------------------------------------------------------------------------
   17. Parcours
   -------------------------------------------------------------------------- */

.parcours-subtitle {
  font-size: 16px;
  margin-top: var(--space-5);
  margin-bottom: var(--space-3);
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  border-left: 1px solid var(--color-line);
}

.timeline-item {
  padding-left: var(--space-4);
}

.timeline-dot {
  display: none;
}

.timeline-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  margin-bottom: var(--space-1);
}

.timeline-role {
  font-size: 16px;
  margin-bottom: var(--space-1);
}

.timeline-item p:not(.timeline-meta) {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.55;
  opacity: 0.8;
  margin: 0;
}

@media (min-width: 768px) {
  .timeline {
    flex-direction: row;
    align-items: flex-start;
    border-left: none;
    position: relative;
    gap: var(--space-4);
  }

  .timeline::before {
    content: "";
    position: absolute;
    top: 5px;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--color-line);
  }

  .timeline-item {
    flex: 1 1 0;
    min-width: 0;
    padding-left: 0;
    position: relative;
  }

  .timeline-dot {
    display: block;
    position: relative;
    z-index: 1;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-ink);
    margin-bottom: var(--space-3);
  }
}

.parcours-divider {
  border: none;
  border-top: 1px solid var(--color-line);
  margin: var(--space-6) 0;
}

.education-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.education-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.education-date {
  font-family: var(--font-mono);
  font-size: 12px;
  min-width: 90px;
  flex-shrink: 0;
}

.education-label {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-ink);
}

/* --------------------------------------------------------------------------
   18. Contact
   -------------------------------------------------------------------------- */

.contact-tagline {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.60;
  text-align: center;
  text-transform: none;
  margin-top: var(--space-3);
}

#contact .section-title {
  text-align: center;
}

#contact .hero-cta {
  justify-content: center;
}

.contact-email-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  font-weight: 400;
  color: #1C1E21;
  line-height: 1.20;
  text-align: center;
  text-transform: none;
  background: none;
  border: 1px solid #DEDBD3;
  border-radius: 4px;
  padding: 8px 16px;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  border: 1px solid #1C1E21;
  border-radius: 4px;
  background: none;
  opacity: 1.00;
  padding: 6px;
}

.social-links a:hover {
  color: var(--color-ink);
}

/* --------------------------------------------------------------------------
   19. Pied de page
   -------------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--color-line);
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-block: var(--space-4);
  font-size: 13px;
}

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

/* --------------------------------------------------------------------------
   20. Ajustements mobile (@media max-width: 767px uniquement — borne basse
   du breakpoint desktop @media (min-width: 768px) utilisé partout ailleurs
   dans ce fichier, pour éviter tout chevauchement exactement à 768px)
   -------------------------------------------------------------------------- */

@media (max-width: 767px) {
  /* Test : header/nav masqués sur mobile (à retirer si non concluant) */
  .site-header {
    display: none;
  }

  /* Navigation sur une seule ligne, scroll horizontal discret si ça déborde */
  .site-nav {
    flex-wrap: nowrap;
  }

  .nav-brand {
    display: none;
  }

  .site-nav nav {
    min-width: 0;
  }

  .nav-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    /* Ombres de scroll : visibles uniquement tant qu'il reste du contenu à
       découvrir de ce côté (se masquent d'elles-mêmes en fin de course),
       via la technique des calques de fond local/scroll — pas de JS. */
    background-image:
      linear-gradient(to right, var(--color-paper) 30%, rgba(247, 246, 243, 0)),
      linear-gradient(to left, var(--color-paper) 30%, rgba(247, 246, 243, 0)),
      linear-gradient(to right, rgba(var(--color-ink-rgb), 0.18), rgba(var(--color-ink-rgb), 0)),
      linear-gradient(to left, rgba(var(--color-ink-rgb), 0.18), rgba(var(--color-ink-rgb), 0));
    background-position: 0 0, 100% 0, 0 0, 100% 0;
    background-repeat: no-repeat;
    background-color: var(--color-paper);
    background-size: 20px 100%, 20px 100%, 10px 100%, 10px 100%;
    background-attachment: local, local, scroll, scroll;
  }

  .nav-list::-webkit-scrollbar {
    display: none;
  }

  .nav-list li {
    flex-shrink: 0;
  }

  :root {
    --header-height: 0px;
  }

  /* Hero en carte compacte : avatar réduit en ligne avec le nom,
     badge/tagline/CTA repositionnés sans toucher au DOM (hero-content
     passe en display:contents pour rejoindre la grille du hero-layout). */
  .hero-layout {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    row-gap: 0;
    column-gap: var(--space-3);
  }

  .hero-content {
    display: contents;
  }

  .hero-avatar {
    grid-column: 1;
    grid-row: 1;
    width: 64px;
    height: 64px;
  }

  .hero-badge {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: start;
    margin-top: var(--space-3);
    margin-bottom: 0;
  }

  .hero-name {
    grid-column: 2;
    grid-row: 1;
    font-size: 26px;
  }

  .hero-tagline {
    grid-column: 1 / -1;
    grid-row: 3;
  }

  .hero-layout .hero-cta {
    grid-column: 1 / -1;
    grid-row: 4;
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn-primary,
  .hero-cta .btn-secondary {
    width: 100%;
    min-width: 0;
  }
}