/* ==========================================================================
   Grafic7 - feuille de style principale
   ========================================================================== */

:root {
  --red: #E31E24;
  --red-dark: #B8181D;
  --grey: #B1B1B1;
  --grey-light: #F4F4F5;
  --grey-lighter: #FAFAFA;
  --black: #1A1A1A;
  --black-soft: #222222;
  --white: #FFFFFF;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.16);
  --font-head: 'Poppins', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  /* keeps the off-canvas mobile menu (translated off-screen) from
                         expanding the page's scrollable width and de-syncing mobile taps */
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-head);
  margin: 0 0 0.5em;
  line-height: 1.15;
}

p {
  margin: 0 0 1em;
  color: #4a4a4a;
}

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

button {
  font-family: inherit;
  cursor: pointer;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--red);
  color: #fff;
  padding: 10px 16px;
  z-index: 200;
  border-radius: 0 0 8px 0;
}

.skip-link:focus {
  left: 0;
}

/* --- Boutons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: 999px;
  border: 2px solid transparent;
  padding: 13px 28px;
  font-size: 0.95rem;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--red);
  color: #fff;
  box-shadow: 0 8px 20px rgba(227, 30, 36, 0.3);
}

.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.5);
  color: inherit;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1rem;
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--black);
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--black);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
}

.logo-mark::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--red) 0%, transparent 55%);
}

.logo-text .accent {
  color: var(--red);
}

.main-nav {
  display: flex;
  gap: 28px;
}

.main-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--black-soft);
  position: relative;
  padding: 6px 0;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: var(--red);
  transition: width .2s ease;
}

.main-nav a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  display: flex;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
}

.lang-switch a {
  padding: 4px 8px;
  border-radius: 6px;
  color: #888;
  touch-action: manipulation;
}

.lang-switch a.active {
  background: var(--black);
  color: #fff;
}

.lang-switch-mobile {
  display: none;
}

.nav-toggle {
  display: none;
  position: relative;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  padding: 0;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  z-index: 210;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease, width .2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 150;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}

.nav-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.nav-mobile-cta {
  display: none;
}

/* --- Hero --- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--black) 0%, #2b2b2b 60%, var(--black) 100%);
  color: #fff;
  padding: 110px 0 130px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(227, 30, 36, 0.35), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(177, 177, 177, 0.15), transparent 40%);
}

.hero-inner {
  position: relative;
  max-width: 760px;
}

.eyebrow {
  color: var(--red);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.1rem;
  max-width: 560px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-top: 28px;
  flex-wrap: wrap;
}

/* --- Sections generales --- */
.section {
  padding: 90px 0;
}

.section-alt {
  background: var(--grey-lighter);
}

.section-dark {
  background: var(--black);
  color: #fff;
}

.section-dark p {
  color: rgba(255, 255, 255, 0.72);
}

.section-head {
  max-width: 640px;
  margin: 0 auto 50px;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.tag {
  display: inline-block;
  font-weight: 800;
  color: var(--red);
  font-size: 0.85rem;
  border: 2px solid var(--red);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 14px;
}

.tag-light {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.grid {
  display: grid;
  gap: 26px;
}

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

.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: transform .2s ease, box-shadow .2s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(227, 30, 36, 0.1);
  color: var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

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

.service-card p {
  font-size: 0.94rem;
  margin: 0;
}

/* --- About / process --- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: start;
}

.about-text p {
  white-space: pre-line;
  font-size: 1.02rem;
}

.process {
  background: #fff;
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow);
}

.process h3 {
  font-size: 1.15rem;
  margin-bottom: 20px;
}

.process-list li {
  display: flex;
  gap: 16px;
  margin-bottom: 22px;
}

.process-list li:last-child {
  margin-bottom: 0;
}

.process-list strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-head);
}

.process-list p {
  margin: 0;
  font-size: 0.92rem;
}

.step {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

/* --- Gallery --- */
.gallery-grid {
  grid-template-columns: repeat(3, 1fr);
}

.gallery-item {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  background: linear-gradient(135deg, var(--black), #3a3a3a);
  position: relative;
  overflow: hidden;
}

.gallery-item::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.55;
  mix-blend-mode: overlay;
  background: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.06) 0 10px, transparent 10px 20px);
}

.gallery-item.ph-2,
.gallery-item.ph-5 {
  background: linear-gradient(135deg, var(--red), var(--red-dark));
}

.gallery-item.ph-3,
.gallery-item.ph-6 {
  background: linear-gradient(135deg, var(--grey), #8f8f8f);
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  align-items: start;
}

.contact-list {
  margin-top: 26px;
  display: grid;
  gap: 18px;
}

.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-list strong {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--grey);
}

.contact-list a {
  color: #fff;
  font-weight: 600;
}

.contact-list a:hover {
  color: var(--red);
}

.contact-form {
  color: var(--black);
}

.form-row {
  margin-bottom: 18px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.form-row-2 .form-row {
  margin-bottom: 0;
}

.contact-form label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 6px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid #e2e2e2;
  font-family: inherit;
  font-size: 0.95rem;
  background: #fcfcfc;
  transition: border-color .15s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--red);
  background: #fff;
}

.form-required-note {
  font-size: 0.78rem;
  color: var(--grey);
  margin: 10px 0 0;
}

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
}

.form-alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 0.9rem;
  font-weight: 600;
}

.form-alert.success {
  background: #e6f6ea;
  color: #1e7d3c;
}

.form-alert.error {
  background: #fdecec;
  color: var(--red-dark);
}

/* --- Footer --- */
.site-footer {
  background: var(--white);
  color: rgba(0, 0, 0, 0.7);
  padding: 46px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.site-footer .logo {
  color: #fff;
}

.footer-tagline {
  margin: 8px 0 0;
  font-size: 0.85rem;
  color: rgba(0, 0, 0, 0.55);
}

.footer-meta {
  text-align: right;
  font-size: 0.82rem;
}

.footer-meta p {
  margin: 2px 0;
  color: rgba(0, 0, 0, 0.55);
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease;
  z-index: 120;
  border: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 960px) {

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

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 760px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 82vw);
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 96px 26px 26px;
    gap: 4px;
    overflow-y: auto;
    box-shadow: -12px 0 40px rgba(0, 0, 0, 0.18);
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: transform .3s ease, opacity .3s ease, visibility 0s linear .3s;
    z-index: 190;
    height: 100vh;
  }

  .main-nav.open {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
    transition: transform .3s ease, opacity .3s ease, visibility 0s linear 0s;
  }

  .main-nav a {
    padding: 14px 4px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    font-size: 1.02rem;
    touch-action: manipulation;
  }

  .nav-toggle {
    display: flex;
  }

  .header-actions .lang-switch-desktop {
    display: none;
  }

  .header-actions .btn-sm {
    display: none;
  }

  .lang-switch-mobile {
    display: flex;
    gap: 10px;
    margin: 18px 0 6px;
  }

  .lang-switch-mobile a {
    flex: 1;
    text-align: center;
    padding: 10px 8px;
    border: 1.5px solid #e2e2e2;
    border-radius: 8px;
    font-weight: 700;
    color: var(--black-soft);
  }

  .lang-switch-mobile a.active {
    background: var(--black);
    border-color: var(--black);
    color: #fff;
  }

  .nav-mobile-cta {
    display: flex;
    margin-top: 10px;
  }

  .services-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

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

  .section {
    padding: 64px 0;
  }

  .hero {
    padding: 90px 0 90px;
  }

  .footer-inner {
    text-align: center;
    justify-content: center;
  }

  .footer-meta {
    text-align: center;
  }
}

body.nav-open {
  overflow: hidden;
}


.gallery-photo {
  padding: 0;
  margin: 0;
}

.gallery-photo::before {
  display: none;
}

.gallery-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-photo figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 14px 16px 12px;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.65), transparent);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: 0 0 var(--radius) var(--radius);
}