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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #11140e;
  background-color: #f5f5f1;
  line-height: 1.6;
}

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

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid #1c6b3a;
  outline-offset: 3px;
}

button {
  font: inherit;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
}

/* VARIABLES */
:root {
  --bg-page: #f5f5f1;
  --bg-elevated: #ffffff;
  --accent: #1c6b3a;
  --accent-soft: #d2e4d5;
  --accent-dark: #0e3a1f;
  --text-main: #11140e;
  --text-muted: #666b60;
  --border-soft: #dde0d6;
  --shadow-soft: 0 10px 30px rgba(15, 30, 15, 0.09);
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --header-height: 64px;
}

/* LAYOUT GLOBAL */
.section {
  padding: 3.5rem 1.25rem;
}

.section:nth-of-type(odd) {
  background: #f0f3ec;
}

.section:nth-of-type(even) {
  background: #f8f8f4;
}

.section-intro {
  max-width: 960px;
  margin: 0 auto 2.5rem auto;
}

.section-intro.narrow {
  max-width: 720px;
}

.section-intro h2 {
  margin: 0 0 0.5rem 0;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
}

.section-intro p {
  margin: 0;
  color: var(--text-muted);
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(12px);
  background: rgba(245, 245, 241, 0.9);
  border-bottom: 1px solid rgba(210, 218, 204, 0.7);
  transition: background 160ms ease-out, box-shadow 160ms ease-out, border-color 160ms ease-out;
}

.site-header.is-scrolled {
  background: rgba(245, 245, 241, 0.98);
  box-shadow: 0 8px 20px rgba(15, 25, 15, 0.12);
  border-color: rgba(210, 218, 204, 0.9);
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 1.25rem;
}

.brand-block {
  flex: 1 1 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: radial-gradient(circle at 20% 20%, #f6fff7 0, #1c6b3a 35%, #0e3a1f 100%);
  color: #f7f7f4;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.06em;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
}

.brand-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-toggle {
  width: 36px;
  height: 32px;
  border-radius: 20px;
  border: 1px solid var(--border-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.9);
}

.nav-toggle-bar {
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: #283424;
  position: relative;
}

.nav-toggle-bar + .nav-toggle-bar {
  margin-left: 4px;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: fixed;
  inset: var(--header-height) 0 auto 0;
  background: rgba(245, 245, 241, 0.98);
  border-bottom: 1px solid var(--border-soft);
  transform: translateY(-110%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease-out, transform 160ms ease-out;
}

.nav-list.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.nav-list li {
  border-top: 1px solid rgba(211, 216, 206, 0.7);
}

.nav-list a {
  display: block;
  padding: 0.9rem 1.5rem;
  font-size: 0.95rem;
}

.nav-list a:hover {
  background: rgba(220, 230, 219, 0.7);
}

.nav-cta {
  font-weight: 600;
  color: var(--accent-dark);
}

.header-phone {
  display: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent-dark);
}

/* HERO */
.hero {
  padding: 4rem 1.25rem 3.5rem 1.25rem;
  background: radial-gradient(circle at top left, #e5f0e7 0, #f5f5f1 48%, #f2efe8 100%);
}

.hero-grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr);
  gap: 2.75rem;
}

.hero-content {
  max-width: 620px;
}

.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--accent-dark);
  font-weight: 600;
  margin: 0 0 0.7rem 0;
}

.hero h1 {
  margin: 0 0 0.9rem 0;
  font-size: 1.8rem;
  line-height: 1.25;
}

.hero-text {
  margin: 0 0 1.5rem 0;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.3rem;
  font-size: 0.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn.primary {
  background: linear-gradient(135deg, #1c6b3a, #14502b);
  color: #f9fff7;
  box-shadow: 0 10px 24px rgba(10, 40, 18, 0.3);
}

.btn.primary:hover {
  background: linear-gradient(135deg, #1f7440, #14502b);
}

.btn.ghost {
  border-color: rgba(28, 107, 58, 0.4);
  color: var(--accent-dark);
  background: rgba(247, 248, 244, 0.8);
}

.btn.ghost:hover {
  background: rgba(236, 242, 233, 0.9);
}

.hero-highlights {
  list-style: none;
  margin: 0;
  padding: 0.6rem 0 0 0;
  display: grid;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-highlights li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 0.35rem;
  border-radius: 999px;
  background: #1c6b3a;
}

.hero-visual {
  display: grid;
  gap: 0.9rem;
}

.hero-strip {
  display: grid;
  gap: 0.9rem;
}

.hero-strip-bottom {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-photo {
  background: rgba(247, 248, 244, 0.95);
  border-radius: var(--radius-md);
  padding: 0.45rem;
  border: 1px solid rgba(206, 215, 201, 0.9);
}

.hero-photo.large {
  border-radius: var(--radius-lg);
}

.hero-photo img {
  border-radius: calc(var(--radius-md) - 3px);
}

.hero-photo.large img {
  border-radius: calc(var(--radius-lg) - 4px);
}

.hero-photo figcaption {
  margin-top: 0.3rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* SERVICES */
.section-services {
  position: relative;
}

.section-services::before {
  content: "";
  position: absolute;
  inset: 0 18% auto auto;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(60, 90, 70, 0.35));
  opacity: 0.7;
}

.services-layout {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  gap: 2.5rem;
}

.services-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.6rem;
}

.service-item {
  background: var(--bg-elevated);
  border-radius: 12px;
  padding: 1.3rem 1.2rem;
  border: 1px solid rgba(209, 215, 205, 0.9);
  box-shadow: 0 12px 28px rgba(10, 20, 10, 0.08);
}

.service-item h3 {
  margin: 0 0 0.4rem 0;
  font-size: 1rem;
}

.service-item p {
  margin: 0 0 0.6rem 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.service-item ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: #3f4638;
}

.service-item li + li {
  margin-top: 0.15rem;
}

.services-focus {
  background: #0f2c18;
  color: #f5fff8;
  border-radius: 16px;
  padding: 1.4rem 1.3rem;
  position: relative;
  overflow: hidden;
}

.services-focus::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto auto;
  background: radial-gradient(circle at top, rgba(135, 199, 158, 0.8), transparent 55%);
  opacity: 0.35;
  pointer-events: none;
}

.services-focus h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
}

.services-focus p {
  margin: 0 0 0.8rem 0;
  font-size: 0.9rem;
}

.services-focus dl {
  margin: 0 0 1rem 0;
  font-size: 0.88rem;
}

.services-focus dt {
  font-weight: 600;
}

.services-focus dd {
  margin: 0 0 0.5rem 0;
  color: rgba(231, 247, 236, 0.86);
}

.inline-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.88rem;
  padding-bottom: 0.1rem;
  border-bottom: 1px solid rgba(210, 235, 216, 0.75);
}

.inline-cta::after {
  content: "→";
  font-size: 0.9em;
}

/* MÉTHODE */
.section-method {
  background: #f8f8f4;
}

.method-steps {
  list-style: none;
  max-width: 840px;
  margin: 0 auto;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.method-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: flex-start;
  gap: 0.9rem;
  padding: 1rem 1.1rem;
  border-radius: 16px;
  background: linear-gradient(90deg, rgba(220, 233, 218, 0.85), rgba(248, 248, 244, 0.96));
  border: 1px solid rgba(204, 214, 201, 0.9);
}

.method-index {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid rgba(34, 87, 50, 0.6);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: #1c6b3a;
  background: #f6fbf7;
}

.method-body h3 {
  margin: 0 0 0.3rem 0;
  font-size: 1rem;
}

.method-body p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* RÉALISATIONS */
.section-realisations {
  background: #eef3eb;
}

.realisations-grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.6rem;
}

.realisation-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
  background: var(--bg-elevated);
  border-radius: 16px;
  border: 1px solid rgba(216, 224, 213, 0.92);
  overflow: hidden;
}

.realisation-card figure {
  margin: 0;
}

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

.realisation-card figcaption {
  padding: 0.6rem 0.9rem 0.2rem 0.9rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.realisation-text {
  padding: 0.4rem 1rem 1rem 1rem;
}

.realisation-text h3 {
  margin: 0 0 0.3rem 0;
  font-size: 1rem;
}

.realisation-text p {
  margin: 0;
  font-size: 0.93rem;
  color: #444a3c;
}

/* AVIS */
.section-avis {
  background: #f8f8f4;
}

.avis-grid {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.2rem;
}

.avis-item {
  background: #ffffff;
  border-radius: 14px;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(212, 220, 209, 0.9);
}

.avis-quote {
  margin: 0 0 0.4rem 0;
  font-size: 0.95rem;
}

.avis-meta {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* FAQ */
.section-faq {
  background: #eff3ec;
}

.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: grid;
  gap: 0.7rem;
}

.faq-item {
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid rgba(214, 222, 210, 0.9);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 0.8rem 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  font-size: 0.95rem;
  background: #ffffff;
}

.faq-question span:first-child {
  flex: 1 1 auto;
}

.faq-icon {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 1px solid rgba(28, 107, 58, 0.5);
  position: relative;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  inset: 50%;
  width: 9px;
  height: 1px;
  background: #1c6b3a;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-question[aria-expanded="true"] .faq-icon::after {
  opacity: 0;
}

.faq-answer {
  padding: 0 0.9rem 0.8rem 0.9rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* CONTACT */
.section-contact {
  background: #11140e;
  color: #f8fff7;
}

.contact-grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr);
  gap: 2rem;
}

.section-contact h2 {
  margin: 0 0 0.6rem 0;
  font-size: 1.5rem;
}

.section-contact p {
  margin: 0 0 0.9rem 0;
}

.contact-actions {
  display: grid;
  gap: 0.6rem;
  margin: 1.1rem 0 0.8rem 0;
}

.contact-link {
  display: flex;
  flex-direction: column;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid rgba(174, 193, 176, 0.45);
  background: rgba(6, 25, 13, 0.82);
}

.contact-link.phone {
  background: linear-gradient(120deg, #1c6b3a, #0f3a20);
  border-color: transparent;
}

.contact-link.mail:hover,
.contact-link.phone:hover {
  border-color: rgba(214, 236, 214, 0.8);
}

.contact-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(224, 238, 225, 0.9);
}

.contact-value {
  font-size: 0.98rem;
  font-weight: 500;
}

.contact-note {
  font-size: 0.9rem;
  color: rgba(230, 240, 232, 0.9);
}

.contact-aside {
  border-radius: 14px;
  padding: 1rem 1rem 0.9rem 1rem;
  background: radial-gradient(circle at top left, rgba(92, 142, 104, 0.4), transparent 60%), #050b07;
  border: 1px solid rgba(116, 140, 118, 0.8);
  font-size: 0.9rem;
}

.contact-aside h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
}

.contact-aside dl {
  margin: 0;
}

.contact-aside dt {
  font-weight: 600;
}

.contact-aside dd {
  margin: 0 0 0.5rem 0;
  color: rgba(222, 235, 224, 0.9);
}

/* FOOTER */
.site-footer {
  padding: 1.2rem 1.25rem 1.4rem 1.25rem;
  background: #050705;
  color: #cfd6cf;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: 0.82rem;
}

.footer-brand {
  margin: 0;
}

.footer-meta {
  margin: 0;
  color: #8d9687;
}

.footer-contact {
  margin-top: 0.2rem;
  color: #e4f2e7;
  font-weight: 500;
}

/* RESPONSIVE */
@media (min-width: 640px) {
  .section {
    padding: 4rem 1.75rem;
  }

  .hero {
    padding-top: 4.6rem;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.1fr);
    align-items: center;
  }

  .services-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .realisations-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .avis-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: flex-start;
  }
}

@media (min-width: 840px) {
  :root {
    --header-height: 70px;
  }

  .header-inner {
    padding-inline: 1.75rem;
  }

  .nav-toggle {
    display: none;
  }

  .nav-list {
    position: static;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 1.1rem;
    background: transparent;
    border: none;
  }

  .nav-list li {
    border: none;
  }

  .nav-list a {
    padding: 0.25rem 0;
    font-size: 0.88rem;
  }

  .nav-list a:hover {
    background: none;
    color: var(--accent-dark);
  }

  .nav-cta {
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    border: 1px solid rgba(20, 80, 43, 0.55);
    background: rgba(236, 242, 236, 0.9);
  }

  .header-phone {
    display: inline-flex;
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 1px solid rgba(184, 191, 181, 0.9);
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-grid {
    gap: 3rem;
  }

  .services-layout {
    grid-template-columns: minmax(0, 2.3fr) minmax(0, 1.2fr);
    align-items: flex-start;
  }

  .realisation-card {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr);
  }

  .realisation-card:nth-child(even) {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.1fr);
  }

  .realisation-card:nth-child(even) figure {
    order: 2;
  }

  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1080px) {
  .section {
    padding-inline: 2rem;
  }

  .hero h1 {
    font-size: 2.4rem;
  }
}