/* ==========================================================================
   CGD PRO — style.css
   ========================================================================== */

:root {
  /* TEST test-couleurs : inversion des teintes blanc / blanc cassé */
  --color-bg: #FFFFFF;
  --color-primary: #36456D;
  --color-text: #1A1A1A;
  --color-border: #E5E5DC;
  --color-white: #F9F9F1;

  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Lato', sans-serif;

  --container-max: 1200px;
  --header-height: 76px;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
  margin: 0 0 1rem;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2rem; margin-bottom: 2rem; }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1rem; text-align: justify; }

ul, ol {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

button {
  font-family: inherit;
}

/* --- Focus visibility --- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* --- Skip link --- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.5rem 1rem;
  z-index: 200;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* --- Layout helpers --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

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

.section__cta {
  text-align: center;
  margin-top: 2.5rem;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.9rem 1.75rem;
  border-radius: 4px;
  border: 2px solid var(--color-primary);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
  text-decoration: none;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: #2a3557;
  text-decoration: none;
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  transition: box-shadow 0.2s ease;
}

.header.is-scrolled {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--color-primary);
  text-decoration: none;
}

.nav__list {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2rem;
}

.nav__list a {
  color: var(--color-text);
  font-weight: 700;
}

.nav__list a:hover {
  color: var(--color-primary);
}

/* Burger */
.burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.burger span {
  display: block;
  width: 26px;
  height: 2px;
  background-color: var(--color-primary);
}

/* Mobile menu overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  background-color: var(--color-bg);
  z-index: 150;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
  visibility: hidden;
}

.mobile-menu.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-menu__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 2.5rem;
  line-height: 1;
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
}

.mobile-menu__list {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: center;
}

.mobile-menu__list li {
  margin: 1.5rem 0;
}

.mobile-menu__list a {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  background-color: var(--color-bg);
}

.hero__inner {
  text-align: center;
}

.hero__subtitle {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  text-align: center;
}

.hero__text {
  max-width: 640px;
  margin: 0 auto 2.5rem;
  font-size: 1.05rem;
  text-align: center;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   Section 2 — Qui sommes-nous
   ========================================================================== */

.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.value-card {
  border: 1px solid var(--color-border);
  padding: 2rem;
  text-align: center;
  border-radius: 4px;
}

.value-card p {
  text-align: center;
}

/* ==========================================================================
   Section 3 — Prestations
   ========================================================================== */

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.service-card {
  border: 1px solid var(--color-border);
  padding: 2rem;
  border-radius: 4px;
  background-color: var(--color-bg);
}

/* --- Accordéon fiches (value-card / service-card) — mobile uniquement --- */

.accordion-card__trigger {
  display: block;
  width: 100%;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  text-align: inherit;
  cursor: default;
}

.accordion-card__trigger h3 {
  margin: 0 0 1rem;
}

.accordion-card__chevron {
  display: none;
  flex-shrink: 0;
  color: var(--color-primary);
}

@media (max-width: 767px) {
  .accordion-card__trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    cursor: pointer;
  }

  .accordion-card__trigger h3 {
    margin: 0;
  }

  .accordion-card__chevron {
    display: inline-block;
    transition: transform 0.2s ease;
  }

  .accordion-card.is-open .accordion-card__chevron {
    transform: rotate(180deg);
  }

  .accordion-card__panel {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease;
  }

  .accordion-card.is-open .accordion-card__panel {
    opacity: 1;
  }

  .accordion-card__panel p {
    margin-top: 1rem;
    margin-bottom: 0;
  }
}

/* ==========================================================================
   Section 4 — Capacités de production
   ========================================================================== */

#capacites h3 {
  margin-top: 2.5rem;
}

.equipment-list {
  padding-left: 1.25rem;
}

.equipment-list li {
  margin-bottom: 0.75rem;
}

.table-wrapper {
  overflow-x: auto;
  margin-bottom: 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--color-border);
}

thead th {
  background-color: var(--color-primary);
  color: var(--color-white);
  text-align: left;
  padding: 0.75rem 1rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
}

tbody td {
  border: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
  vertical-align: top;
  text-align: justify;
}

.table-note {
  font-size: 0.85rem;
  font-style: italic;
  color: #555;
}

.info-table td:first-child {
  font-weight: 700;
  width: 30%;
  background-color: var(--color-bg);
}

/* ==========================================================================
   Section 5 — Comment ça marche
   ========================================================================== */

.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.process-col {
  border: 1px solid var(--color-border);
  padding: 2rem;
  border-radius: 4px;
}

.process-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step;
}

.process-steps li {
  counter-increment: step;
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: 1.5rem;
}

.process-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.process-steps__title {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.process-steps p {
  margin: 0;
}

/* ==========================================================================
   Section 6 — Réalisations
   ========================================================================== */

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.project-card {
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 2rem;
  background-color: var(--color-bg);
}

/* --- Carousel --- */

.carousel {
  position: relative;
  margin-bottom: 1.5rem;
}

.carousel__viewport {
  position: relative;
  height: 380px;
  border-radius: 4px;
  overflow: hidden;
  background-color: var(--color-border);
}

.carousel__slide {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease;
}

.carousel__slide.is-active {
  opacity: 1;
  visibility: visible;
}

.carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.carousel__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  border: none;
  background-color: rgba(249, 249, 241, 0.9);
  color: var(--color-primary);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel__arrow--prev {
  left: 0.75rem;
}

.carousel__arrow--next {
  right: 0.75rem;
}

.carousel__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 0.75rem;
}

.carousel__counter {
  font-size: 0.85rem;
  color: #555;
}

.carousel__dots {
  display: flex;
  gap: 0.5rem;
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background-color: var(--color-border);
  cursor: pointer;
}

.carousel__dot.is-active {
  background-color: var(--color-primary);
}

/* --- Lightbox --- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background-color: rgba(26, 26, 26, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox[hidden] {
  display: none;
}

.lightbox__image {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  border-radius: 50%;
  background-color: var(--color-white);
  color: var(--color-text);
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: none;
  background-color: var(--color-white);
  color: var(--color-primary);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__arrow--prev {
  left: 1.5rem;
}

.lightbox__arrow--next {
  right: 1.5rem;
}

.lightbox__counter {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-white);
  font-size: 0.9rem;
}

/* ==========================================================================
   Section 7 — Ils nous font confiance
   ========================================================================== */

.clients-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.client-card {
  border: 1px solid var(--color-border);
  padding: 2rem;
  text-align: center;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.client-card strong {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-primary);
}

/* ==========================================================================
   Section 8 — FAQ / Accordion
   ========================================================================== */

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-item h3 {
  margin: 0;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: none;
  border: none;
  text-align: left;
  padding: 1.25rem 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary);
  cursor: pointer;
}

.accordion-chevron {
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.accordion-trigger[aria-expanded="true"] .accordion-chevron {
  transform: rotate(180deg);
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.accordion-panel p {
  padding-bottom: 1.25rem;
}

/* ==========================================================================
   Section 9 — Contact
   ========================================================================== */

.contact-direct {
  margin-bottom: 2.5rem;
}

.contact-direct p {
  margin-bottom: 0.5rem;
}

.tabs__list {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2rem;
}

.tabs__trigger {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  padding: 0.9rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
  cursor: pointer;
}

.tabs__trigger.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tabs__panel {
  display: none;
}

.tabs__panel.is-active {
  display: block;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 640px;
}

.form__field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form__field label {
  font-weight: 700;
  font-size: 0.9rem;
}

.form__field input,
.form__field textarea,
.form__field select {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: var(--color-white);
  color: var(--color-text);
}

.form__field textarea {
  resize: vertical;
}

.form__hint {
  font-size: 0.8rem;
  color: #666;
  margin: 0;
}

.form .btn {
  align-self: flex-start;
}

/* ==========================================================================
   Legal pages
   ========================================================================== */

.legal-content {
  max-width: 760px;
}

.legal-content h2 {
  font-size: 1.15rem;
  margin-top: 2rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 3.5rem 0 1.5rem;
}

.footer a {
  color: var(--color-white);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.footer__brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.footer__col h4 {
  font-family: var(--font-heading);
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.footer__col p {
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

.footer__copyright {
  text-align: center;
  font-size: 0.8rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer__copyright p {
  text-align: center;
}

/* ==========================================================================
   Breakpoints
   ========================================================================== */

@media (min-width: 768px) {
  h1 { font-size: 3.5rem; }
  h2 { font-size: 2.25rem; }

  .nav__list {
    display: flex;
  }

  .burger {
    display: none;
  }

  .hero__actions {
    flex-direction: row;
    justify-content: center;
  }

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

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

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

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

  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 640px;
    margin: 2.5rem auto 0;
  }

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

@media (min-width: 1024px) {
  .section {
    padding: 6.5rem 0;
  }
}