/* =========================================================
   VARIABLES / RESET
   ========================================================= */
:root {
  --color-primary: #14324A;
  --color-accent: #1F8A70;
  --color-background: #F7F9F8;
  --color-text: #1B2A28;
  --color-border: #E1E6E4;
  --color-gold: #C9962A;

  --font-heading: "Source Serif 4", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --radius: 6px;
  --shadow-soft: 0 4px 16px rgba(20, 50, 74, 0.08);
  --container-width: 1140px;
}

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

html {
  scroll-behavior: smooth;
}

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

h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.25;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(1.9rem, 5vw + 0.5rem, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw + 0.5rem, 2.1rem); }
h3 { font-size: 1.1rem; margin: 0; }

p { margin: 0 0 1em; }

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

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

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

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

section {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: var(--header-height, 88px);
}

section h2 {
  text-align: center;
  margin-bottom: 2rem;
}

/* Accessibility: visible focus */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75em 1.25em;
  z-index: 1000;
  border-radius: 0 0 var(--radius) 0;
}

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

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75em 1.5em;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-accent {
  background: var(--color-accent);
  color: #fff;
}
.btn-accent:hover { background: #17705a; }

.btn-gold {
  background: var(--color-gold);
  color: var(--color-primary);
}
.btn-gold:hover { background: #b5872a; }

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; }

.btn-lg {
  font-size: 1.05rem;
  padding: 0.9em 2em;
}

/* =========================================================
   HEADER / NAV
   ========================================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.is-scrolled {
  background: var(--color-background);
  border-bottom-color: var(--color-border);
  box-shadow: 0 2px 14px rgba(20, 50, 74, 0.08);
}

.logo,
.nav-toggle,
.primary-nav a,
.lang-active {
  transition: color 0.3s ease;
}

.site-header:not(.is-scrolled) .logo,
.site-header:not(.is-scrolled) .nav-toggle,
.site-header:not(.is-scrolled) .lang-active {
  color: #fff;
}

@media (min-width: 900px) {
  .site-header:not(.is-scrolled) .primary-nav a {
    color: #fff;
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.15rem;
  padding-bottom: 1.15rem;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--color-primary);
}

.nav-toggle {
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
}

.primary-nav {
  position: fixed;
  inset: 0 0 0 30%;
  top: 64px;
  background: var(--color-background);
  border-left: 1px solid var(--color-border);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  overflow-y: auto;
}

.primary-nav.is-open {
  transform: translateX(0);
}

.primary-nav ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.primary-nav a {
  position: relative;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding-bottom: 0.2rem;
}

.primary-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--color-accent);
  transition: right 0.2s ease;
}

.primary-nav a:hover { color: var(--color-accent); }
.primary-nav a:hover::after { right: 0; }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lang-active {
  color: var(--color-primary);
  font-weight: 700;
}

.lang-sep { color: var(--color-border); }

.lang-switch a:not(.lang-active) {
  color: #8a9794;
}

.lang-switch a:not(.lang-active):hover {
  color: var(--color-accent);
}

.nav-cta {
  align-self: flex-start;
}

@media (min-width: 900px) {
  .nav-toggle { display: none; }

  .primary-nav {
    position: static;
    inset: auto;
    transform: none;
    flex-direction: row;
    align-items: center;
    background: transparent;
    border: none;
    padding: 0;
    gap: 2rem;
    overflow: visible;
  }

  .primary-nav ul {
    flex-direction: row;
    gap: 1.75rem;
  }

  .nav-cta { align-self: center; }
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  /* PLACEHOLDER IMAGE DE FOND : remplacer ce dégradé par une vraie photo, ex.
     background: linear-gradient(rgba(20,50,74,.72), rgba(20,50,74,.72)), url('../images/hero.jpg') center/cover; */
  background: linear-gradient(135deg, var(--color-primary) 0%, #0c2035 100%);
  overflow: hidden;
  min-height: 560px;
  display: flex;
  align-items: center;
  padding: 7.5rem 0 4rem;
  border-bottom: none;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.trend-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60%;
}

.trend-line path {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 3;
  stroke-linecap: round;
  opacity: 0.35;
  stroke-dasharray: 2000;
  stroke-dashoffset: 2000;
  animation: draw-line 2.4s ease-out 0.2s forwards;
}

@keyframes draw-line {
  to { stroke-dashoffset: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .trend-line path {
    animation: none;
    stroke-dashoffset: 0;
  }
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.hero-container {
  max-width: 1140px;
}

@media (min-width: 1300px) {
  .hero-container { max-width: 1900px; }
}

@media (min-width: 900px) {
  .hero-inner {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 2.5rem;
  }

  .hero-card { flex-shrink: 1; min-width: 0; }
}

.hero-card {
  max-width: 620px;
  background: rgba(247, 249, 248, 0.95);
  backdrop-filter: blur(6px);
  border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  padding: 2rem 1.5rem;
}

@media (min-width: 900px) {
  .hero-card { padding: 2.75rem; }
}

.mascot { display: block; fill: none; }

/* Mascotte dimensionnée en JS pour correspondre approximativement à la taille de la carte de texte */
.hero-mascot-bg {
  width: 260px;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  flex-shrink: 1;
  min-width: 0;
  pointer-events: none;
}

@media (min-width: 900px) {
  .hero-mascot-bg { max-width: none; }
}

/* Animation de la mascotte : petit rebond ("envie de s'envoler"), battement d'ailes, clin d'œil */
.mascot-figure {
  transform-box: fill-box;
  transform-origin: center;
  animation: mascot-bob 2.4s ease-in-out infinite;
}

@keyframes mascot-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.wing {
  transform-box: fill-box;
}

.wing-left {
  transform-origin: 90% 15%;
  animation: wing-flap-left 1.2s ease-in-out infinite;
}

.wing-right {
  transform-origin: 10% 15%;
  animation: wing-flap-right 1.2s ease-in-out infinite;
}

@keyframes wing-flap-left {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(-20deg); }
}

@keyframes wing-flap-right {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(20deg); }
}

.eye-wink {
  transform-box: fill-box;
  transform-origin: center;
  animation: mascot-wink 4.5s ease-in-out infinite;
}

@keyframes mascot-wink {
  0%, 90%, 100% { transform: scaleY(1); }
  93% { transform: scaleY(0.1); }
  96% { transform: scaleY(1); }
}

@media (prefers-reduced-motion: reduce) {
  .mascot-figure,
  .wing-left,
  .wing-right,
  .eye-wink {
    animation: none;
  }
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--color-text);
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero-reassurance {
  margin-top: 1.25rem;
  margin-bottom: 0;
  font-size: 0.85rem;
  color: #5c6d6a;
}

/* =========================================================
   CARD GRID (partagé services / promesses)
   ========================================================= */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 700px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
}

/* =========================================================
   PROMESSES
   ========================================================= */
.promise-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 2rem 1.5rem;
}

.promise-icon {
  color: var(--color-primary);
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 1rem;
}

.promise-icon svg { width: 100%; height: 100%; }

.promise-card h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
}

.promise-card p { margin: 0; color: var(--color-text); }

/* =========================================================
   SERVICES — grille illustrée (icônes larges, sans carte)
   ========================================================= */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem 1.5rem;
}

@media (min-width: 600px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .services-grid { grid-template-columns: repeat(4, 1fr); }
}

.service-feature {
  display: block;
  text-align: center;
  color: var(--color-text);
}

.service-feature-icon {
  width: 5rem;
  height: 5rem;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  background: rgba(31, 138, 112, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.service-feature-icon svg {
  width: 2.25rem;
  height: 2.25rem;
}

.service-feature:hover .service-feature-icon {
  transform: translateY(-3px);
  background: rgba(31, 138, 112, 0.16);
}

.service-feature h3 {
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
}

.service-feature p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--color-text);
}

/* =========================================================
   SOUS-BLOCS DE SECTION (regroupements internes)
   ========================================================= */
.services-block {
  margin-top: 3rem;
}

.block-title {
  text-align: center;
  font-size: clamp(1.15rem, 1.5vw + 0.6rem, 1.4rem);
  margin-bottom: 1.75rem;
}

/* =========================================================
   PROCESS
   ========================================================= */
.process-steps-wrap {
  position: relative;
}

.process-line {
  display: none;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: visible;
}

@media (min-width: 700px) {
  .process-line { display: block; }
}

.process-line path {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 2;
  stroke-linecap: round;
  opacity: 0.5;
}

.process-steps-wrap.is-drawn .process-line path {
  transition: stroke-dashoffset 1.3s ease-out;
}

.process-steps {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  counter-reset: step;
}

@media (min-width: 700px) {
  .process-steps { grid-template-columns: repeat(4, 1fr); }
}

.process-steps li {
  text-align: center;
  padding: 0 0.5rem;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.process-steps p { margin: 0; }

/* =========================================================
   RÉALISATIONS
   ========================================================= */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 700px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .portfolio-grid { grid-template-columns: repeat(3, 1fr); }
}

.portfolio-card {
  display: block;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  color: var(--color-text);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.portfolio-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(20, 50, 74, 0.12);
}

.portfolio-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: top;
  border-bottom: 1px solid var(--color-border);
}

.portfolio-card-body {
  padding: 1.5rem;
}

.portfolio-card h3 { margin-bottom: 0.5rem; }

.portfolio-card-body p {
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
}

.portfolio-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--color-accent);
}

.portfolio-link svg {
  width: 0.9rem;
  height: 0.9rem;
}

/* =========================================================
   FAQ
   ========================================================= */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
}

.faq-icon {
  color: var(--color-accent);
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.25rem 1.25rem;
  color: var(--color-text);
}

.faq-answer p { margin: 0; }

/* =========================================================
   CTA CALLOUT (bandeau d'appel à l'action contenu dans une section)
   ========================================================= */
.cta-callout {
  background: var(--color-primary);
  color: #fff;
  text-align: center;
  border-radius: calc(var(--radius) * 2);
  padding: 2.75rem 1.5rem;
  margin-top: 3rem;
}

.cta-callout h3 {
  color: #fff;
  font-size: clamp(1.3rem, 2vw + 0.6rem, 1.7rem);
  margin-bottom: 1.5rem;
}

/* =========================================================
   FORMULAIRE DE CONTACT
   ========================================================= */
.contact-form-section {
  scroll-margin-top: var(--header-height, 88px);
}

#cf-name {
  scroll-margin-top: calc(var(--header-height, 88px) + 1.5rem);
}

.contact-form-section h2 { margin-bottom: 0.5rem; }

.contact-form-lead {
  text-align: center;
  color: var(--color-text);
  max-width: 50ch;
  margin: 0 auto 2rem;
}

.contact-form {
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 2rem 1.5rem;
}

@media (min-width: 700px) {
  .contact-form { padding: 2.5rem; }
}

.field-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 520px) {
  .field-row.two-col { grid-template-columns: 1fr 1fr; }
}

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

.field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
}

.field .optional {
  font-weight: 400;
  color: var(--color-text);
  opacity: 0.7;
  font-size: 0.78rem;
}

.field input,
.field select,
.field textarea {
  font: inherit;
  color: var(--color-text);
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.7em 0.85em;
  width: 100%;
}

.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.field textarea {
  resize: vertical;
  min-height: 4.5rem;
}

.contact-form-privacy {
  font-size: 0.78rem;
  color: var(--color-text);
  opacity: 0.7;
  margin: 0.25rem 0 0;
}

.contact-form-error {
  font-size: 0.85rem;
  color: #B3432E;
  margin: 0;
}

.contact-form-error[hidden] { display: none; }

.contact-form-success {
  display: none;
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.contact-form-success.is-visible { display: block; }

.contact-form-success svg {
  width: 2.75rem;
  height: 2.75rem;
  color: var(--color-accent);
  margin: 0 auto 0.75rem;
}

.contact-form-success h3 { margin-bottom: 0.4rem; }
.contact-form-success p { margin: 0; color: var(--color-text); }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background: var(--color-primary);
  color: #d9e2df;
  padding-top: 3rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
}

@media (min-width: 700px) {
  .footer-inner { grid-template-columns: repeat(4, 1fr); }
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.footer-heading {
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a,
.footer-links li {
  color: #d9e2df;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.footer-links a:hover { color: #fff; }

.footer-links svg {
  width: 1rem;
  height: 1rem;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-size: 0.8rem;
}

@media (min-width: 600px) {
  .footer-bottom { justify-content: space-between; }
}

.footer-bottom p { margin: 0; }

.footer-bottom-linkedin {
  color: #d9e2df;
  display: flex;
  align-items: center;
}

.footer-bottom-linkedin:hover { color: var(--color-accent); }

.footer-bottom-linkedin svg { width: 1.2rem; height: 1.2rem; }

.footer-bottom a {
  color: #d9e2df;
  text-decoration: underline;
}

/* =========================================================
   PAGES LÉGALES
   ========================================================= */
.legal-header {
  background: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  padding: 1.15rem 0;
}

.legal-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
}

.legal-back svg { width: 1.1rem; height: 1.1rem; }

.legal-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}

.legal-page .updated {
  font-size: 0.85rem;
  color: var(--color-text);
  opacity: 0.7;
  margin-bottom: 2rem;
}

.legal-page h2 {
  text-align: left;
  margin-top: 2.25rem;
  font-size: 1.3rem;
}

.legal-page h2:first-of-type { margin-top: 0; }

.legal-page p { margin-bottom: 1em; }

.legal-page ul {
  list-style: disc;
  padding-left: 1.4rem;
  margin: 0 0 1em;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.legal-page a { text-decoration: underline; }

.legal-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
}