/* ==========================================================================
   Variables
   ========================================================================== */
:root {
  --color-bg: #f8faf7;
  --color-bg-alt: #f5efe2;
  --color-surface: #ffffff;
  --color-text: #0f172a;
  --color-text-muted: #51607a;
  --color-border: #dbe2ea;
  --color-accent: #0f766e;
  --color-accent-dark: #134e4a;
  --color-accent-contrast: #ffffff;

  /* Accent vif réservé aux grandes surfaces (boutons, puces décoratives) :
     toujours associé à un texte foncé pour garantir le contraste (voir README). */
  --color-accent-strong: #d97706;
  --color-accent-strong-dark: #b45309;
  --color-accent-strong-contrast: #0f172a;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --max-width: 1100px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;

  --radius: 10px;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 4px 16px rgba(15, 23, 42, 0.06);

  --transition-fast: 150ms ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0b1220;
    --color-bg-alt: #101a2c;
    --color-surface: #15213a;
    --color-text: #e8edf4;
    --color-text-muted: #94a3b8;
    --color-border: #233049;
    --color-accent: #f59e0b;
    --color-accent-dark: #14b8a6;
    --color-accent-contrast: #0b1220;

    --color-accent-strong: #fbbf24;
    --color-accent-strong-dark: #f59e0b;
    --color-accent-strong-contrast: #0b1220;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 16px rgba(0, 0, 0, 0.35);
  }
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

img,
svg {
  max-width: 100%;
  display: block;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

ol {
  list-style: none;
}

a {
  color: inherit;
}

h1,
h2,
h3 {
  line-height: 1.25;
  margin: 0 0 var(--space-2);
}

p {
  margin: 0 0 var(--space-2);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: var(--space-2);
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-2);
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  min-height: 44px;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background-color: var(--color-accent-strong);
  color: var(--color-accent-strong-contrast);
}

.btn--primary:hover {
  background-color: var(--color-accent-strong-dark);
}

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

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

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding-block: var(--space-2);
  padding-inline: clamp(1.25rem, 4vw, 4rem);
  gap: var(--space-2);
}

.site-brand {
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
}

.lang-switch {
  margin-left: auto;
  margin-right: var(--space-2);
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.lang-switch:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

@media (min-width: 860px) {
  .lang-switch {
    margin-left: var(--space-2);
    margin-right: 0;
    order: 1;
  }
}

.noscript-banner {
  background-color: var(--color-accent-strong);
  color: var(--color-accent-strong-contrast);
  text-align: center;
  padding: var(--space-2) var(--space-3);
  font-weight: 600;
}

.noscript-banner a {
  color: inherit;
  text-decoration: underline;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  padding: 0;
}

.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background-color: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(4) {
  transform: translateY(-7px) rotate(-45deg);
}

.primary-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: none;
}

.primary-nav.is-open {
  display: block;
}

.primary-nav ul {
  display: flex;
  flex-direction: column;
  padding: var(--space-2) var(--space-3);
}

.primary-nav a {
  display: block;
  padding: var(--space-1) 0;
  text-decoration: none;
  color: var(--color-text-muted);
  font-weight: 500;
}

.primary-nav a:hover,
.primary-nav a[aria-current="true"] {
  color: var(--color-accent);
}

.has-submenu {
  position: relative;
}

.nav-submenu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  width: 100%;
  background: none;
  border: none;
  font: inherit;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-1) 0;
  cursor: pointer;
}

.nav-submenu-toggle:hover,
.nav-submenu-toggle[aria-expanded="true"],
.nav-submenu-toggle.has-active-child {
  color: var(--color-accent);
}

.nav-submenu-toggle__chevron {
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.nav-submenu-toggle[aria-expanded="true"] .nav-submenu-toggle__chevron {
  transform: rotate(180deg);
}

.primary-nav .submenu {
  display: none;
  flex-direction: column;
  margin: 0.25rem 0 0.25rem var(--space-1);
  border-left: 2px solid var(--color-border);
}

.has-submenu.is-open .submenu {
  display: flex;
}

.submenu a {
  font-size: 0.95rem;
}

#submenu-profil, #submenu-parcours {
  gap: 0;
}

@media (min-width: 860px) {
  .nav-toggle {
    display: none;
  }

  .primary-nav {
    position: static;
    display: block;
    border-bottom: none;
    background: none;
  }

  .primary-nav ul {
    flex-direction: row;
    gap: var(--space-3);
    padding: 0;
  }

  .primary-nav a {
    padding: 0.25rem 0;
  }

  .nav-submenu-toggle {
    width: auto;
    padding: 0.25rem 0;
  }

  .submenu {
    position: absolute;
    top: 100%;
    left: 0;
    flex-direction: column;
    min-width: 210px;
    margin: 0.5rem 0 0;
    padding: 0.5rem;
    border-left: none;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    z-index: 20;
    gap: 0;
  }

  .submenu a {
    padding: 0.5rem 0.75rem;
    border-radius: calc(var(--radius) - 4px);
  }

  .submenu a:hover {
    background-color: var(--color-bg-alt);
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding-block: var(--space-5) var(--space-4);
  background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
}

.hero__inner {
  display: grid;
  gap: var(--space-4);
  align-items: center;
}

@media (min-width: 860px) {
  .hero__inner {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.hero__media {
  display: flex;
  justify-content: center;
}

.hero__photo-frame {
  position: relative;
  width: min(280px, 64vw);
  margin-inline: auto;
}

.hero__photo-frame::before {
  content: "";
  position: absolute;
  top: 16px;
  left: 16px;
  right: -16px;
  bottom: -16px;
  background: var(--color-accent-strong);
  border-radius: 1.75rem;
  z-index: 0;
}

.hero__photo {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 1.75rem;
  border: 4px solid var(--color-surface);
  box-shadow: var(--shadow);
}

.hero__badge {
  position: absolute;
  z-index: 2;
  bottom: -14px;
  right: -14px;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--color-accent-strong);
  color: var(--color-accent-strong-contrast);
  border: 4px solid var(--color-surface);
  box-shadow: var(--shadow);
}

.hero__badge svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 639px) {
  .hero__media {
    order: -1;
    margin-bottom: var(--space-1);
  }

  .hero__photo-frame {
    width: 96px;
  }

  .hero__photo-frame::before {
    top: 6px;
    left: 6px;
    right: -6px;
    bottom: -6px;
    border-radius: 50%;
  }

  .hero__photo {
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    border-width: 3px;
  }

  .hero__badge {
    width: 32px;
    height: 32px;
    bottom: -4px;
    right: -4px;
    border-width: 3px;
  }

  .hero__badge svg {
    width: 16px;
    height: 16px;
  }
}

.hero__eyebrow {
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.hero__name {
  font-size: clamp(2.25rem, 5vw + 1rem, 3.5rem);
}

.hero__role {
  font-size: clamp(1.1rem, 1.5vw + 0.8rem, 1.4rem);
  color: var(--color-text-muted);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.hero__lead {
  max-width: 65ch;
  font-size: 1.05rem;
}

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: var(--space-2) 0 var(--space-3);
}

.hero__tags li {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 500;
}

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

/* ==========================================================================
   Sections
   ========================================================================== */
.section {
  padding-block: var(--space-5);
  scroll-margin-top: 4.5rem;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section__title {
  font-size: clamp(1.5rem, 2vw + 1rem, 2rem);
  margin-bottom: var(--space-3);
}

.section__title--icon {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section__title--icon svg {
  width: 0.85em;
  height: 0.85em;
  color: var(--color-accent-strong);
  flex-shrink: 0;
}

.beyond-gallery-wrap {
  position: relative;
  margin: var(--space-3) calc(-1 * var(--space-3)) 0;
}

.beyond-gallery {
  display: flex;
  gap: var(--space-3);
  padding: 0.5rem var(--space-3) var(--space-1);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;

  /* Pas de barre de scroll visible : le défilement tactile/trackpad/souris reste actif. */
  scrollbar-width: none;
  -ms-overflow-style: none;

  /* Léger fondu aux bords pour indiquer qu'il y a plus de photos à faire défiler. */
  -webkit-mask-image: linear-gradient(to right, transparent, black 48px, black calc(100% - 48px), transparent);
  mask-image: linear-gradient(to right, transparent, black 48px, black calc(100% - 48px), transparent);
}

.beyond-gallery::-webkit-scrollbar {
  display: none;
  height: 0;
}

.beyond-scroll-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow);
  cursor: pointer;
  padding: 0;
}

.beyond-scroll-btn:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.beyond-scroll-btn[hidden] {
  display: none;
}

.beyond-scroll-btn--prev {
  left: 0.5rem;
}

.beyond-scroll-btn--next {
  right: 0.5rem;
}

@media (max-width: 639px) {
  .beyond-scroll-btn {
    width: 32px;
    height: 32px;
  }
}

.beyond-item {
  flex: 0 0 auto;
  width: 110px;
  margin: 0;
  text-align: center;
  scroll-snap-align: start;
}

.beyond-item__trigger {
  display: block;
  padding: 0;
  border: none;
  background: none;
  border-radius: 50%;
  cursor: zoom-in;
}

.beyond-item img {
  display: block;
  width: 110px;
  height: 110px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--color-surface);
  box-shadow: var(--shadow);
  margin-inline: auto;
}

.beyond-item figcaption {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

@media (min-width: 640px) {
  .beyond-item {
    width: 140px;
  }

  .beyond-item img {
    width: 140px;
    height: 140px;
  }
}

.section__lead {
  max-width: 65ch;
}

.section__body {
  max-width: 70ch;
}

/* Reveal-on-scroll (progressive enhancement only) */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==========================================================================
   Skills
   ========================================================================== */
.skills-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.skill-group {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
}

.skill-group h3 {
  font-size: 1.05rem;
}

.badge-list {
  list-style-type: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.badge-list li {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  font-size: 0.85rem;
}

.badge-list--lang li {
  background-color: var(--color-surface);
  font-size: 1rem;
  padding: 0.6rem 1.1rem;
}

/* ==========================================================================
   Timeline (Experience)
   ========================================================================== */
.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  border-left: 2px solid var(--color-border);
  padding-left: var(--space-3);
}

.timeline-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  box-shadow: var(--shadow);
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-3) - 6px);
  top: 1.6rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-accent-strong);
}

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

.timeline-item__meta {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.timeline-item__context {
  font-style: italic;
  color: var(--color-text-muted);
}

.timeline-item__points {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin: var(--space-2) 0;
}

.timeline-item__points li {
  position: relative;
  padding-left: 1.1rem;
}

.timeline-item__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent-strong);
}

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

/* ==========================================================================
   Cards (Missions marquantes)
   ========================================================================== */
.cards-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}

@media (min-width: 760px) {
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  box-shadow: var(--shadow);
}

.card h3 {
  font-size: 1.1rem;
}

.card p {
  font-size: 0.95rem;
}

.card p:last-child {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Testimonial
   ========================================================================== */
.testimonial {
  max-width: 65ch;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent-strong);
  border-radius: var(--radius);
  padding: var(--space-3);
  box-shadow: var(--shadow);
  margin: 0;
}

.testimonial blockquote {
  margin: 0 0 var(--space-2);
  font-size: 1.05rem;
  font-style: italic;
}

.testimonial figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-style: normal;
}

.testimonial__name {
  font-weight: 700;
}

.testimonial__role,
.testimonial__meta {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ==========================================================================
   Certifications / Formation
   ========================================================================== */
.split-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 760px) {
  .split-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.list-clean li {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-2);
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-3);
  background-color: var(--color-bg-alt);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.back-to-top {
  text-decoration: underline;
}

/* ==========================================================================
   Lightbox (agrandissement des photos "Au-delà du code")
   ========================================================================== */
.lightbox {
  border: none;
  border-radius: var(--radius);
  padding: 0;
  margin: auto;
  max-width: min(90vw, 720px);
  max-height: 85vh;
  background-color: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow);
}

.lightbox::backdrop {
  background-color: rgba(15, 23, 42, 0.72);
}

.lightbox__img {
  display: block;
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
  background-color: #000;
}

.lightbox__caption {
  margin: 0;
  padding: var(--space-2) var(--space-3);
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.lightbox__close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background-color: var(--color-surface);
  color: var(--color-text);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow);
}

/* ==========================================================================
   404 page
   ========================================================================== */
.error-page {
  text-align: center;
}

.error-page__code {
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0;
}