@import url('https://fonts.googleapis.com/css2?family=Cabin+Sketch:wght@700&family=Atkinson+Hyperlegible:wght@400;700&display=swap');
:root {
  --bg: #f7f7f4;
  --surface: #ffffff;
  --surface-soft: #fbf7ee;
  --text: #202020;
  --muted: #66645e;

  --red: #c54832;
  --green: #2f6b45;
  --yellow: #d6a21f;
  --ink: #252525;

  --border: #e4ded2;
  --shadow: 0 8px 24px rgba(30, 25, 15, 0.08);
  --shadow-hover: 0 14px 34px rgba(30, 25, 15, 0.14);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Atkinson Hyperlegible", sans-serif;
  line-height: 1.65;
}

/* Zone principale */

main.content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 2.2rem;
  box-shadow: var(--shadow);
}

/* Navbar */

.navbar {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

/* TITRE SITE / NAVBAR */

.navbar-title,
.navbar-brand,
.navbar-brand span {

  font-family: "Cabin Sketch", sans-serif;

  font-weight: 700;

  color: #1d1d1b;

  font-size: 1.9rem;

  letter-spacing: 0.015em;

  text-transform: lowercase;

  /* effet graphite dense */

  text-shadow:
    0.35px 0.35px 0 #111,
    -0.35px -0.35px 0 #111,
    0px 0px 1px rgba(0,0,0,0.35);

  /* texture intérieure */

  background-image:
    repeating-linear-gradient(
      45deg,
      rgba(0,0,0,0.08) 0px,
      rgba(0,0,0,0.08) 1px,
      transparent 1px,
      transparent 3px
    );

  -webkit-background-clip: text;

  -webkit-text-fill-color: #1f1f1f;

  transition:
    transform 0.2s ease,
    filter 0.2s ease;
}

/* BOUTONS NAVIGATION */

.navbar-nav .nav-link {

  font-family: "Cabin Sketch", sans-serif;

  font-size: 1.15rem;

  color: #222 !important;

  letter-spacing: 0.015em;

  text-transform: lowercase;

  /* effet graphite */

  text-shadow:
    0.25px 0.25px 0 #111;

  background-image:
    repeating-linear-gradient(
      45deg,
      rgba(0,0,0,0.05) 0px,
      rgba(0,0,0,0.05) 1px,
      transparent 1px,
      transparent 3px
    );

  -webkit-background-clip: text;

  -webkit-text-fill-color: #222;

  transition:
    color 0.2s ease,
    transform 0.2s ease;
}

.navbar-nav .nav-link:hover {

  color: #111 !important;

  transform: translateY(-1px);

  text-decoration: none;
}

.navbar-nav .nav-link.active {

  color: #111 !important;

  border-bottom: 3px solid var(--yellow);

  padding-bottom: 0.2rem;
}

.navbar-brand:hover,
.navbar-title:hover {

  transform: translateY(-1px);

  filter: contrast(1.04);
}

.navbar-brand img {
  max-height: 46px;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.navbar-brand img:hover {
  transform: translateY(-2px) scale(1.04);
  filter: drop-shadow(0 6px 10px rgba(0,0,0,0.18));
}

/* Titres */


h1 {

  font-family: "Cabin Sketch", sans-serif;

  font-size: 3.4rem;

  color: #1b1b1b;

  text-shadow:
    0.4px 0.4px 0 #111,
    -0.4px -0.4px 0 #111;

  background-image:
    repeating-linear-gradient(
      45deg,
      rgba(0,0,0,0.07) 0px,
      rgba(0,0,0,0.07) 1px,
      transparent 1px,
      transparent 3px
    );

  -webkit-background-clip: text;

  -webkit-text-fill-color: #1f1f1f;
}

/* =========================
   TITRES STYLE CONTOURS
========================= */

h1, h2, h3 {

  font-family: "Cabin Sketch", sans-serif;

  color: #1d1d1b;

  letter-spacing: 0.015em;

  background-image:
    repeating-linear-gradient(
      45deg,
      rgba(0,0,0,0.06) 0px,
      rgba(0,0,0,0.06) 1px,
      transparent 1px,
      transparent 3px
    );

  -webkit-background-clip: text;

  -webkit-text-fill-color: #1f1f1f;
}

/* H1 */

h1 {

  font-size: 3.3rem;

  font-weight: 700;

  text-shadow:
    0.45px 0.45px 0 #111,
    -0.45px -0.45px 0 #111,
    0px 0px 1px rgba(0,0,0,0.28);

  margin-bottom: 1rem;
}

/* H2 */

h2 {

  font-size: 2.2rem;

  font-weight: 700;

  text-shadow:
    0.3px 0.3px 0 #111;

  margin-top: 2.8rem;

  padding-left: 0.7rem;

  border-left: 5px solid var(--green);
}

/* H3 */

h3 {

  font-size: 1.6rem;

  font-weight: 700;

  opacity: 0.92;

  text-shadow:
    0.2px 0.2px 0 #111;
}

/* Liens */

a {
  color: var(--red);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--green);
}

/* Encadrés / cartes */

.card,
.quarto-grid-item,
.quarto-listing .listing-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease;
}

.card:hover,
.quarto-grid-item:hover,
.quarto-listing .listing-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #d8c8a8;
}

/* Images, logos, graphiques */

img {
  max-width: 100%;
}

.figure img,
.quarto-figure img,
p > img {
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--surface-soft);
  padding: 0.45rem;
  box-shadow: var(--shadow);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.figure img:hover,
.quarto-figure img:hover,
p > img:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.quarto-lightbox-enabled {
  cursor: zoom-in;
}

.quarto-lightbox-enabled:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 4px;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: rgba(20, 20, 18, 0.88);
}

.image-lightbox.is-open {
  display: flex;
}

body.lightbox-open {
  overflow: hidden;
}

.image-lightbox__figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  max-width: min(96vw, 1500px);
  max-height: 94vh;
  margin: 0;
}

.image-lightbox__img {
  max-width: 100%;
  max-height: calc(94vh - 4.5rem);
  object-fit: contain;
  border-radius: 10px;
  border: 0;
  background: var(--surface);
  padding: 0;
  box-shadow: 0 22px 70px rgba(0,0,0,0.35);
  transition: none;
}

.image-lightbox__figure .image-lightbox__img:hover {
  transform: none;
  box-shadow: 0 22px 70px rgba(0,0,0,0.35);
}

.image-lightbox__caption {
  max-width: min(92vw, 1100px);
  color: #fffdf7;
  font-size: 0.96rem;
  line-height: 1.45;
  text-align: center;
}

.image-lightbox__close {
  position: fixed;
  top: 1rem;
  right: 1rem;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 999px;
  background: rgba(255,255,255,0.92);
  color: var(--ink);
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.image-lightbox__close:hover,
.image-lightbox__close:focus-visible {
  background: #fff;
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

@media (max-width: 768px) {
  .image-lightbox {
    padding: 0.8rem;
  }

  .image-lightbox__img {
    max-height: calc(94vh - 5.5rem);
  }

  .image-lightbox__caption {
    font-size: 0.86rem;
  }
}

/* Code */

code {
  background: #f1eadf;
  color: var(--ink);
  border-radius: 6px;
  padding: 0.15rem 0.35rem;
}

.sourceCode {
  background: #fbf7ee;
  border: 1px solid var(--border);
  border-radius: 16px;
}

/* Citations */

blockquote {
  background: var(--surface-soft);
  border-left: 5px solid var(--yellow);
  border-radius: 0 16px 16px 0;
  padding: 1rem 1.2rem;
  color: var(--muted);
}

/* Tables */

table {
  border-radius: 12px;
  overflow: hidden;
}

thead {
  background: #f0e7d8;
}

tbody tr:nth-child(even) {
  background: #faf6ee;
}

/* Footer */

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

/* Mobile */

@media (max-width: 768px) {
  main.content {
    padding: 1.3rem;
    border-radius: 14px;
  }

  h1 {
    font-size: 2.1rem;
  }
}
/* Logo navbar */

.navbar-brand img {
  max-height: 48px;

  border-radius: 14px;
  padding: 4px;

  background: rgba(255,255,255,0.7);

  box-shadow:
    0 4px 12px rgba(0,0,0,0.08);

  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    background 0.22s ease;
}

.navbar-brand img:hover {
  transform: translateY(-2px) scale(1.04);

  background: white;

  box-shadow:
    0 10px 24px rgba(0,0,0,0.14);
}
/* Header principal */
.hero-title {
  display: flex;
  align-items: center;
  gap: 22px;

  margin-top: 1rem;
  margin-bottom: 2.5rem;
}

.hero-logo {
  width: 110px;

  border-radius: 24px;

  background: rgba(255,255,255,0.7);

  padding: 10px;

  box-shadow:
    0 8px 24px rgba(0,0,0,0.08);

  transition:
    transform 0.24s ease,
    box-shadow 0.24s ease;
}

.hero-logo:hover {
  transform: translateY(-4px);

  box-shadow:
    0 16px 34px rgba(0,0,0,0.16);
}

.hero-main-title {
  font-family: "Source Serif 4", serif;

  font-size: 3rem;
  font-weight: 700;

  letter-spacing: -0.03em;

  color: #222;
}

.hero-subtitle {
  color: #66645e;

  font-size: 1.05rem;

  margin-top: 0.3rem;
}

.hero-title h1 {
  margin-bottom: 0.15rem;
}

.hero-title p {
  margin: 0;
  color: var(--muted);

  font-size: 1rem;
}

/* HERO BANNER */

.hero-banner {
  width: 100%;

  border-radius: 28px;

  border: 1px solid var(--border);

  box-shadow:
    0 12px 36px rgba(0,0,0,0.10);

  margin-bottom: 2.5rem;

  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.hero-banner:hover {
  transform: translateY(-3px);

  box-shadow:
    0 20px 44px rgba(0,0,0,0.16);
}
/* MOT "Contours" */

.contours-word {

  font-family: "Cabin Sketch", sans-serif;

  font-weight: 700;

  color: #1d1d1b;

  letter-spacing: 0.01em;

  text-shadow:
    0.25px 0.25px 0 #111,
    -0.25px -0.25px 0 #111,
    0px 0px 1px rgba(0,0,0,0.28);

  background-image:
    repeating-linear-gradient(
      45deg,
      rgba(0,0,0,0.06) 0px,
      rgba(0,0,0,0.06) 1px,
      transparent 1px,
      transparent 3px
    );

  -webkit-background-clip: text;

  -webkit-text-fill-color: #1f1f1f;
}

/* FORCE POLICE CONTOURS */

.navbar *,
.navbar-brand,
.navbar-title,
.navbar-nav .nav-link,
h1,
h2,
h3 {

  font-family: "Cabin Sketch", sans-serif !important;
}

/* =========================
   CONTACT CARD
========================= */

.contact-card {

  background: var(--surface);

  border: 1px solid var(--border);

  border-radius: 22px;

  padding: 1.4rem 1.6rem;

  box-shadow: var(--shadow);

  margin-top: 1.5rem;

  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease;
}

.contact-card:hover {

  transform: translateY(-3px);

  box-shadow: var(--shadow-hover);
}

.contact-card p {
  margin-bottom: 1rem;
}

.contact-card a {

  color: var(--red);

  text-decoration: none;

  font-weight: 600;
}

.contact-card a:hover {
  color: var(--green);
}

.contact-item {

  display: flex;

  align-items: center;

  gap: 0.7rem;

  margin-bottom: 0.7rem;
}

.contact-item:last-child {
  margin-bottom: 0;
}

.contact-item i {

  font-size: 1.1rem;

  color: var(--green);

  width: 20px;
}

/* =========================
   DATAVIZ CARD
========================= */

.viz-card {

  background: var(--surface);

  border: 1px solid var(--border);

  border-radius: 26px;

  padding: 1.4rem;

  margin: 2rem 0;

  box-shadow: var(--shadow);

  transition:
    transform 0.24s ease,
    box-shadow 0.24s ease;
}

.viz-card:hover {

  transform: translateY(-4px);

  box-shadow: var(--shadow-hover);
}

/* GIF */

.viz-gif {

  width: 100%;

  border-radius: 18px;

  display: block;

  box-shadow:
    0 10px 28px rgba(0,0,0,0.12);
}

/* légende */

.viz-card em {

  display: block;

  margin-top: 1rem;

  color: var(--muted);

  font-size: 0.96rem;
}
/* animation GIF */

.viz-gif {

  transition:
    transform 0.4s ease,
    filter 0.4s ease,
    box-shadow 0.4s ease;
}

/* hover GIF */

.viz-card:hover .viz-gif {

  transform: scale(1.02);

  filter:
    contrast(1.03)
    saturate(1.03);

  box-shadow:
    0 18px 42px rgba(0,0,0,0.18);
}

.viz-card {

  overflow: hidden;
}
/* =========================
   DOWNLOAD BUTTON
========================= */

.download-btn {

  display: inline-block;

  margin-top: 1rem;

  padding: 0.55rem 1rem;

  border-radius: 999px;

  background: var(--surface-soft);

  border: 1px solid var(--border);

  color: var(--ink);

  text-decoration: none;

  font-weight: 600;

  box-shadow: var(--shadow);

  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.download-btn:hover {

  transform: translateY(-2px);

  background: white;

  box-shadow: var(--shadow-hover);

  text-decoration: none;
}