/* 6. Responsive */
@media (max-width: 1050px) {
  .container {
    width: min(var(--container), calc(100% - 40px));
  }
  .main-nav {
    gap: 14px;
  }
  .main-nav a {
    font-size: 13px;
  }
  .hero-card {
    grid-template-columns: 1fr 0.55fr;
    gap: 38px;
    padding: 38px;
  }
  .portrait-frame {
    width: 270px;
  }
  .featured-project {
    grid-template-columns: 1fr;
  }
  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .project-card:last-child {
    grid-column: 1 / -1;
  }
  .skill-groups,
  .journey-grid {
    grid-template-columns: 1fr;
  }
  .journey-grid {
    gap: 52px;
  }
  .contact-card {
    grid-template-columns: 1fr;
  }
  .interest-grid {
    grid-template-columns: 1fr;
  }
  .interest-grid article {
    display: grid;
    grid-template-columns: minmax(170px, 0.42fr) minmax(0, 1fr);
    align-items: start;
    gap: 4px 28px;
  }
  .interest-grid article > p {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin-top: 0;
  }
  .interest-grid .interest-metric {
    grid-column: 1;
    margin-top: 8px;
  }
}

@media (max-width: 800px) {
  html {
    scroll-padding-top: 74px;
  }
  .container {
    width: calc(100% - 40px);
  }
  .section {
    padding: 68px 0;
  }
  .nav-wrap {
    height: 64px;
    gap: 10px;
  }
  .main-nav {
    height: 64px;
  }
  .hero {
    padding-top: 108px;
    padding-bottom: 52px;
  }
  .hero-card {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 28px;
  }
  .hero-copy {
    order: 1;
  }
  .hero-visual {
    order: 0;
  }
  .portrait-frame {
    width: min(180px, 55vw);
    aspect-ratio: 1;
    border-radius: var(--radius);
  }
  .portrait-frame img {
    object-position: center 10%;
  }
  .hello {
    font-size: 16px;
  }
  .hero h1 {
    font-size: clamp(38px, 10vw, 50px);
  }
  .hero-role {
    font-size: 16px;
  }
  .hero-text {
    font-size: 15px;
  }
  .hero-actions .button {
    flex: 1 1 210px;
  }
  .project-grid {
    grid-template-columns: 1fr;
  }
  .project-card:last-child {
    grid-column: auto;
  }
  #journey {
    padding-bottom: 42px;
  }
  #contact {
    padding-top: 38px;
  }
  .contact-card {
    gap: 34px;
    padding: 26px;
  }
  .footer-bottom {
    margin-top: 0;
    text-align: center;
  }
  .legal-grid {
    grid-template-columns: 1fr;
  }
  .lightbox {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 12px;
    padding: 72px 14px 24px;
  }
  .lightbox-stage img {
    max-width: 100%;
    max-height: 68vh;
    border-radius: 9px;
  }
  .lightbox-nav {
    position: absolute;
    z-index: 3;
    top: 50%;
    width: 44px;
    height: 44px;
    background: rgba(23, 25, 27, 0.92);
    transform: translateY(-50%);
  }
  .lightbox-prev {
    left: 10px;
  }
  .lightbox-next {
    right: 10px;
  }
  .lightbox-close {
    top: 12px;
    right: 12px;
  }
}

@media (max-width: 760px) {
  .nav-wrap {
    display: flex;
    justify-content: stretch;
  }
  .nav-primary {
    display: contents;
  }
  .menu-toggle {
    display: grid;
  }
  .nav-actions {
    display: grid;
    width: 100%;
    min-width: 0;
    grid-template-columns: auto minmax(0, 1fr) auto auto auto;
    gap: 8px;
  }
  .nav-actions > * {
    grid-row: 1;
  }
  .nav-cv {
    grid-column: 1;
  }
  .language-toggle {
    grid-column: 3;
  }
  .theme-toggle {
    grid-column: 4;
  }
  .menu-toggle {
    grid-column: 5;
  }
  .main-nav {
    position: absolute;
    z-index: 10;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    height: auto;
    max-height: calc(100vh - 65px);
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin: 0;
    padding: 8px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 0 0 12px 12px;
    background: var(--surface);
    box-shadow: var(--shadow);
  }
  .main-nav.open {
    display: flex;
  }
  .main-nav a {
    width: 100%;
    height: auto;
    min-height: 44px;
    flex: 0 0 auto;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 14px;
  }
  .main-nav a::after {
    display: none;
  }
  .main-nav a:hover,
  .main-nav a.active {
    background: var(--surface-2);
  }
}

@media (max-width: 700px) {
  .footer-inner {
    min-height: 0;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    padding-block: 14px;
    text-align: center;
  }
  .footer-links {
    max-width: 100%;
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .button {
    width: 100%;
    flex: 0 0 auto;
  }
}

@media (max-width: 540px) {
  .container {
    width: calc(100% - 36px);
  }
  .section {
    padding: 58px 0;
  }
  .hero {
    padding-top: 108px;
    padding-bottom: 52px;
  }
  .hero-card {
    padding: 22px;
  }
  .portrait-frame {
    width: min(168px, 52vw);
  }
  .hero h1 {
    font-size: 36px;
  }
  .social-links {
    margin-top: 18px;
  }
  .featured-project {
    padding: 20px;
  }
  .skill-group {
    padding: 18px;
  }
  .tech-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-rows: minmax(90px, auto);
    gap: 9px;
  }
  .tech {
    min-height: 90px;
    padding: 10px 6px;
  }
  .tech i {
    font-size: 32px;
  }
  .tech .lucide,
  .tech-concept svg {
    width: 32px;
    height: 32px;
  }
  .journey-grid {
    gap: 46px;
  }
  .contact-card {
    padding: 20px;
  }
  .contact-links a {
    grid-template-columns: 28px minmax(0, 1fr) 18px;
    gap: 10px;
  }
  .contact-links span {
    font-size: 12px;
  }
  .scroll-top {
    right: 8px;
    bottom: max(14px, env(safe-area-inset-bottom));
    width: 46px;
    height: 46px;
  }
  .legal-main {
    padding-top: 92px;
  }
  .legal-card {
    padding: 20px;
  }
  .lightbox {
    padding-inline: 8px;
  }
  .lightbox-stage img {
    max-height: 64vh;
  }
  .footer-links {
    max-width: 270px;
  }
}

/* En dessous de 480 px, les cartes d'intérêts redeviennent verticales :
   le texte garde toute la largeur utile au lieu d'être coincé dans une mini-colonne. */
@media (max-width: 480px) {
  .interest-grid article {
    display: block;
  }
  .interest-grid article > p {
    margin-top: 12px;
  }
  .interest-grid .interest-metric {
    margin-top: 12px;
  }
}

@media (max-width: 420px) {
  .container {
    width: calc(100% - 28px);
  }
  .hero-card,
  .contact-card {
    padding: 18px;
  }
  .section-heading h2,
  .journey-grid h2,
  .contact-card h2,
  .legal-hero h1 {
    font-size: clamp(28px, 9.5vw, 36px);
  }
  .hero h1 {
    font-size: clamp(31px, 10.5vw, 36px);
  }
  .tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .tech span {
    overflow-wrap: normal;
    word-break: normal;
    hyphens: none;
  }
  .contact-links a {
    padding: 12px 10px;
  }
}

@media (max-width: 320px) {
  .container {
    width: calc(100% - 20px);
  }
  .section {
    padding: 48px 0;
  }
  .hero {
    padding-top: 92px;
    padding-bottom: 42px;
  }
  .hero-card {
    gap: 22px;
    padding: 16px;
  }
  .portrait-frame {
    width: min(145px, 56vw);
  }
  .hello {
    font-size: 14px;
  }
  .hero h1 {
    font-size: 30px;
    line-height: 1.02;
    overflow-wrap: anywhere;
  }
  .hero-role {
    font-size: 14px;
  }
  .hero-text {
    font-size: 13px;
    line-height: 1.55;
  }
  .button {
    min-height: 42px;
    padding-inline: 12px;
    font-size: 12px;
    white-space: normal;
    text-align: center;
  }
  .skill-group,
  .interest-grid article,
  .legal-card {
    padding: 16px;
  }
  .skill-group h3 {
    font-size: 16px;
  }
  .tech-grid {
    gap: 8px;
  }
  .tech {
    min-height: 82px;
    gap: 8px;
    padding: 9px 5px;
  }
  .tech i {
    font-size: 29px;
  }
  .tech .lucide,
  .tech-concept svg,
  .tech-logo {
    width: 29px;
    height: 29px;
  }
  .tech-logo-wide {
    width: 50px;
    height: 24px;
  }
  .tech span {
    font-size: 11px;
    line-height: 1.2;
  }
  .contact-card {
    gap: 24px;
    padding: 16px;
  }
  .contact-links a {
    min-height: 52px;
    grid-template-columns: 24px minmax(0, 1fr) 16px;
    gap: 8px;
    padding: 10px 8px;
  }
  .contact-links a > svg:first-child {
    width: 18px;
  }
  .contact-links a > svg:last-child {
    width: 15px;
  }
  .contact-links span,
  .contact-links small {
    font-size: 11px;
    line-height: 1.35;
  }
  .footer-inner {
    font-size: 11px;
  }
  .footer-links {
    max-width: 100%;
  }
  .footer-links a {
    font-size: 11px;
  }
  .footer-links a + a::before {
    margin-inline: 6px;
  }
}

/* Cas extrêmes : on réorganise d'abord la mise en page avant de réduire la typo. */
@media (max-width: 260px) {
  html {
    scroll-padding-top: 56px;
  }
  body {
    font-size: 12px;
  }
  .container {
    width: calc(100% - 12px);
  }
  .section {
    padding: 38px 0;
  }
  .section-heading {
    margin-bottom: 22px;
  }
  .section-heading h2,
  .journey-grid h2,
  .contact-card h2,
  .legal-hero h1 {
    font-size: clamp(22px, 12vw, 28px);
    line-height: 1.08;
    overflow-wrap: anywhere;
  }
  .section-kicker,
  .project-type {
    font-size: 9px;
  }

  .nav-wrap {
    height: 50px;
  }
  .nav-actions {
    grid-template-columns: 34px minmax(0, 1fr) repeat(3, 28px);
    gap: 3px;
  }
  .theme-toggle,
  .menu-toggle,
  .language-toggle {
    width: 28px;
    height: 30px;
    border-radius: 6px;
  }
  .theme-toggle svg,
  .menu-toggle svg {
    width: 13px;
  }
  .language-toggle {
    min-width: 0;
    flex-basis: 28px;
    font-size: 9px;
  }
  .nav-cv {
    width: 34px;
    min-height: 30px;
    height: 30px;
    gap: 2px;
    padding: 0;
    font-size: 0;
  }
  .nav-cv::before {
    content: "CV";
    font-size: 9px;
  }
  .nav-cv svg {
    width: 10px;
  }
  .main-nav {
    top: calc(100% + 1px);
    max-height: calc(100vh - 51px);
    padding: 6px;
  }
  .main-nav a {
    min-height: 36px;
    padding: 8px 6px;
    font-size: 11px;
  }

  .hero {
    padding-top: 68px;
    padding-bottom: 36px;
  }
  .hero-card {
    gap: 18px;
    padding: 12px;
    border-radius: 9px;
  }
  .portrait-frame {
    width: min(96px, 62vw);
    border-radius: 8px;
  }
  .hello {
    font-size: 12px;
  }
  .hero h1 {
    font-size: clamp(22px, 15vw, 28px);
    line-height: 1.02;
    overflow-wrap: anywhere;
  }
  .hero-role {
    margin-top: 12px;
    font-size: 12px;
    line-height: 1.45;
  }
  .hero-text {
    margin-top: 8px;
    font-size: 12px;
    line-height: 1.5;
  }
  .hero-actions {
    gap: 7px;
    margin-top: 16px;
  }
  .button {
    min-height: 38px;
    gap: 5px;
    padding-inline: 8px;
    font-size: 11px;
    line-height: 1.25;
    white-space: normal;
  }
  .button svg {
    width: 13px;
    flex: 0 0 13px;
  }
  .social-links {
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
  }
  .social-links a {
    width: 32px;
    height: 32px;
    border-radius: 7px;
  }
  .social-links svg {
    width: 14px;
  }

  .featured-project,
  .project-card,
  .skill-group,
  .interest-grid article,
  .contact-card,
  .legal-card {
    min-width: 0;
    max-width: 100%;
    padding: 12px;
  }
  .project-card h3,
  .featured-project h3,
  .skill-group h3,
  .interest-title h3,
  .timeline-item h3 {
    font-size: 14px;
    overflow-wrap: anywhere;
  }
  .project-card p,
  .featured-project p,
  .timeline-item p,
  .interest-grid article > p,
  .contact-card > div > p {
    font-size: 12px;
    line-height: 1.5;
    overflow-wrap: anywhere;
  }

  .tech-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
    gap: 7px;
  }
  .tech {
    min-height: 68px;
    grid-template-columns: 30px minmax(0, 1fr);
    place-items: center start;
    align-content: center;
    gap: 9px;
    padding: 9px;
    text-align: left;
  }
  .tech i {
    font-size: 26px;
  }
  .tech .lucide,
  .tech-concept svg,
  .tech-logo {
    width: 26px;
    height: 26px;
  }
  .tech-logo-wide {
    width: 44px;
    height: 22px;
  }
  .tech.tech-brand {
    grid-template-columns: 44px minmax(0, 1fr);
  }
  .tech span {
    width: 100%;
    font-size: 11px;
    line-height: 1.2;
    overflow-wrap: anywhere;
    word-break: normal;
  }

  .interest-grid {
    gap: 9px;
    margin-top: 18px;
  }
  .interest-title {
    min-height: 0;
    gap: 7px;
  }
  .interest-title svg,
  .chess-icon {
    width: 18px;
    flex: 0 0 18px;
    font-size: 20px;
  }
  .interest-grid article > p,
  .interest-grid .interest-metric {
    margin-top: 9px;
  }
  .interest-grid .interest-metric {
    display: block;
    font-size: 11px;
    line-height: 1.35;
    overflow-wrap: anywhere;
  }
  .journey-grid {
    gap: 32px;
  }
  .timeline {
    margin-left: 8px;
    padding-left: 20px;
  }

  .contact-card {
    gap: 20px;
  }
  .contact-links {
    gap: 8px;
  }
  .contact-links a {
    min-height: 48px;
    grid-template-columns: 20px minmax(0, 1fr);
    gap: 7px;
    padding: 9px 8px;
    border-radius: 7px;
  }
  .contact-links a > svg:first-child {
    width: 16px;
  }
  .contact-links a > svg:last-child {
    display: none;
  }
  .contact-links span,
  .contact-links small {
    font-size: 11px;
    line-height: 1.35;
    overflow-wrap: anywhere;
  }

  .footer-inner {
    gap: 7px;
    padding-block: 11px;
    font-size: 11px;
    line-height: 1.45;
  }
  .footer-links {
    max-width: 100%;
    gap: 2px 0;
  }
  .footer-links a {
    min-height: 30px;
    font-size: 11px;
  }
  .footer-links a + a::before {
    margin-inline: 4px;
  }
  .scroll-top {
    right: 4px;
    bottom: max(8px, env(safe-area-inset-bottom));
    width: 34px;
    height: 34px;
  }
  .scroll-top svg {
    width: 15px;
  }
}

@media (max-width: 180px) {
  .container {
    width: calc(100% - 8px);
  }
  .hero-card,
  .featured-project,
  .project-card,
  .skill-group,
  .interest-grid article,
  .contact-card,
  .legal-card {
    padding: 9px;
  }
  .nav-actions {
    grid-template-columns: 30px minmax(0, 1fr) repeat(3, 26px);
    gap: 2px;
  }
  .theme-toggle,
  .menu-toggle,
  .language-toggle {
    width: 26px;
    height: 28px;
  }
  .nav-cv {
    width: 30px;
    min-height: 28px;
    height: 28px;
  }
  .hero h1 {
    font-size: 21px;
  }
  .section-heading h2,
  .journey-grid h2,
  .contact-card h2,
  .legal-hero h1 {
    font-size: 20px;
  }
  .contact-links a {
    grid-template-columns: 18px minmax(0, 1fr);
    gap: 5px;
    padding-inline: 6px;
  }
}

@media (max-height: 500px) and (orientation: landscape) and (max-width: 800px) {
  .lightbox {
    padding-block: 54px 10px;
  }
  .lightbox-stage img {
    max-height: 72vh;
  }
  .lightbox-close {
    top: 6px;
    right: 8px;
  }
}

/* 7. Accessibilité et compatibilité */
:focus-visible {
  outline: 2px solid var(--accent-text);
  outline-offset: 3px;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
@supports not (backdrop-filter: blur(1px)) {
  .site-header {
    background: var(--bg);
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}