/* Polices
------------------------------------------------------------------------ */

@font-face {
  font-family: "TitilliumWeb";
  src: url("/fonts/TitilliumWeb-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "TitilliumWeb";
  src: url("/fonts/TitilliumWeb-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* Couleurs
------------------------------------------------------------------------ */

:root {
  /* Fonds */
  --color-background: #2f3e46;
  --color-surface: #354f52;
  --color-surface-dark: #243138;

  /* Texte et accents */
  --color-text: #cad2c5;
  --color-link: #a9cecf;
  --color-accent: #a8c9a5;
  --color-highlight: #ebdbb2;
  --color-heading-soft: #c7d9c9;

  /* Messages */
  --color-flash-notice-background: #294e43;
  --color-flash-error-background: #2c4647;
  --color-flash-error-border: #e6afa2;

  /* Ombres */
  --color-shadow-light: rgb(202 210 197 / 20%);
  --color-shadow-dark: rgb(0 0 0 / 8%);
}

/* Structure et mise en page
------------------------------------------------------------------------ */

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

html {
  scroll-behavior: smooth;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  background: var(--color-background);
  color: var(--color-text);
  font-family: "TitilliumWeb", sans-serif;
  font-size: 1.4rem;
}

main {
  display: flex;
  flex: 1;
  min-width: 0;
  flex-direction: column;
}

/* Image sur les sections alternées de l'accueil et les pages intérieures. */
main > section {
  background-color: var(--color-background);
}

main > section:nth-of-type(odd):not(:only-of-type),
.page-section {
  background-color: var(--color-surface);
  background-image:
    linear-gradient(rgb(15 40 55 / 74%), rgb(15 40 55 / 74%)),
    url("/images/background.webp");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.content {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding: 20px;
}

.prose {
  max-width: 72ch;
  line-height: 1.6;
}

/* Une seule feuille de lecture sur les pages intérieures. */
.page-section {
  flex: 1;
  padding: clamp(24px, 5vw, 72px) 20px;
}

.page-panel {
  max-width: 1000px;
  padding: clamp(24px, 4vw, 48px);
  background: var(--color-background);
}

.page-panel.prose {
  max-width: 72ch;
}

.section-services,
.section-hosting {
  padding-bottom: 100px;
}

/* Typographie et liens
------------------------------------------------------------------------ */

h1,
h2,
h3,
h4 {
  color: var(--color-text);
  font-weight: 700;
  text-align: left;
}

h1 {
  margin-block: 0.67em;
  font-size: 2.8rem;
  line-height: 1.1;
}

h2 {
  padding-left: 14px;
  border-left: 4px solid var(--color-highlight);
  color: var(--color-highlight);
  font-size: 2.6rem;
  line-height: 1.15;
}

h3 {
  width: fit-content;
  padding-bottom: 0.25rem;
  border-bottom: 2px solid var(--color-accent);
  color: var(--color-highlight);
  font-size: 1.9rem;
  line-height: 1.2;
}

h4 {
  color: var(--color-heading-soft);
  font-size: 1.4rem;
  line-height: 1.25;
}

a {
  color: var(--color-link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Liens dans les paragraphes et le pied de page. */
main p a:not(.button),
footer a {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 8px 12px;
  background: var(--color-text);
  color: var(--color-background);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

/* En-tête et navigation
------------------------------------------------------------------------ */

.topbar {
  display: flex;
  min-height: 70px;
  flex-wrap: wrap;
  align-items: center;
  text-align: left;
  background: var(--color-surface);
  border-bottom: 1px solid rgb(202 210 197 / 18%);
}

.topbar a {
  padding-left: 20px;
}

.topbar a:hover {
  color: var(--color-text);
}

.topbar > form {
  margin: 0 20px 0 auto;
}

.topbar a.topbar__account {
  margin-left: auto;
  margin-right: 20px;
}

.topbar .topbar__account {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--color-accent);
  background: transparent;
  color: var(--color-accent);
  font: inherit;
  line-height: normal;
  text-decoration: none;
}

.topbar .topbar__account:hover {
  background: var(--color-accent);
  color: var(--color-background);
  text-decoration: none;
}

.topbar button.topbar__account {
  appearance: none;
  border-radius: 0;
  cursor: pointer;
}

.topbar img {
  display: block;
  width: 48px;
  height: 48px;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo img {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
}

.hero p {
  font-size: 1.6rem;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4rem);
}

.hero__lead {
  margin-bottom: 0;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* Boutons et cartes
------------------------------------------------------------------------ */

.button {
  display: inline-block;
  padding: 10px 16px;
  border: 2px solid var(--color-accent);
  background: var(--color-accent);
  color: var(--color-background);
  font-weight: 700;
  transition: filter 0.2s ease;
}

.button:hover {
  filter: brightness(1.12);
  text-decoration: none;
}

.button--secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-color: var(--color-link);
  background: transparent;
  color: var(--color-link);
}

.box {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: space-between;
  margin-top: 80px;
  padding: 20px 20px 40px;
  border: 2px solid var(--color-text);
  box-shadow: 0 0 5px var(--color-shadow-light), 0 4px 4px var(--color-shadow-dark);
}

.box img {
  display: block;
  max-width: 96px;
  margin-inline: auto;
}

.box__title {
  margin-block: 0;
  padding: 10px;
  border-bottom: 0;
  background: var(--color-background);
  color: var(--color-text);
  translate: 0 -55px;
}

/* Bordure supérieure interrompue autour des titres, sans masquer la photo. */
.section-hosting .box {
  border-top: 0;
  background: rgb(15 40 55 / 30%);
}

.section-hosting .box__title {
  display: flex;
  align-items: center;
  gap: 8px;
  width: auto;
  margin-inline: -22px;
  padding: 10px 0;
  background: transparent;
  translate: 0 calc(-50% - 20px);
}

.section-hosting .box__title::before,
.section-hosting .box__title::after {
  content: "";
  flex: 1;
  border-top: 2px solid var(--color-text);
}

.section-hosting .box__title::before {
  flex: 0 0 20px;
}

.box__link {
  padding: 20px;
  color: var(--color-text);
  text-align: center;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.box__link:hover {
  text-decoration: none;
}

.service-icon {
  margin-top: -20px;
  margin-bottom: 10px;
}

/* Couleur des cartes selon leur position. */
.section-services .box:nth-child(3n + 1) {
  --service-accent: var(--color-link);
}

.section-services .box:nth-child(3n + 2) {
  --service-accent: var(--color-accent);
}

.section-services .box:nth-child(3n + 3) {
  --service-accent: var(--color-highlight);
}

.section-services .box__title {
  color: var(--service-accent);
}

.section-services .box__link:focus-visible {
  border-color: var(--service-accent);
}

/* Formulaires et messages
------------------------------------------------------------------------ */

.contact-form {
  display: grid;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin: 0;
  padding: 10px;
  border: 0;
  font-family: inherit;
  font-size: 1.2rem;
}

/* Ne pas appliquer le fond clair au bouton d'envoi. */
.contact-form input:not([type="submit"]),
.contact-form textarea {
  background: var(--color-text);
  color: var(--color-background);
}

.contact-form textarea {
  min-height: 150px;
  resize: vertical;
  box-shadow: 0 0 10px var(--color-surface-dark);
}

.contact-form input:not([type="submit"]):focus-visible,
.contact-form textarea:focus-visible {
  outline-color: var(--color-surface);
}

.submit {
  width: 100%;
  background: var(--color-accent);
  color: var(--color-background);
  font-weight: 700;
  cursor: pointer;
}

.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.flash {
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  border-left: 3px solid;
}

.flash--notice {
  background-color: var(--color-flash-notice-background);
  border-color: var(--color-accent);
  color: var(--color-text);
}

.flash--error {
  background-color: var(--color-flash-error-background);
  border-color: var(--color-flash-error-border);
  color: var(--color-text);
}

/* Admin
------------------------------------------------------------------------ */

.members-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.members-table th,
.members-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-shadow-light);
}

.members-table th {
  color: var(--color-highlight);
}

.members-table td {
  vertical-align: top;
}

/* Pied de page
------------------------------------------------------------------------ */

footer {
  padding: 40px 20px;
  background: var(--color-surface-dark);
  box-shadow: 0 0 20px var(--color-surface-dark);
}

.botbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  font-size: 1rem;
  text-align: center;
}

.botbar p {
  margin-inline: auto;
}

/* Adaptations et accessibilité
------------------------------------------------------------------------ */

@media screen and (min-width: 1080px) {
  .col--1-1,
  .col--1-2,
  .col--1-1-1 {
    display: grid;
    gap: 40px;
  }

  .col--1-1 {
    grid-template-columns: repeat(2, 1fr);
  }

  .col--1-2 {
    grid-template-columns: 1fr 2fr;
  }

  .col--1-1-1 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Effets au survol sur les écrans et périphériques adaptés. */
@media (hover: hover) and (min-width: 1080px) {
  .box__link:hover {
    transform: scale(1.04);
  }

  .section-services .box__link:hover {
    border-color: var(--service-accent);
  }
}

@media screen and (max-width: 600px) {
  .box {
    margin-top: 60px;
    padding: 20px;
  }

  .section-services,
  .section-hosting {
    padding-bottom: 60px;
  }

  footer {
    padding: 24px 20px;
  }
}

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

  .box__link,
  .button {
    transition: none;
  }

  .box__link:hover {
    transform: none;
  }
}