/* ============================================
   IRIMIA RÉNOVATION — Design System
   ============================================ */

:root {
  /* Palette extraite du logo */
  --c-brown: #8B6F4E;
  --c-brown-dark: #6B5239;
  --c-brown-light: #A88B6A;
  --c-beige: #D4C4B0;
  --c-beige-light: #E8DDCC;
  --c-cream: #F5F0E8;
  --c-cream-soft: #FAF7F2;
  --c-white: #FFFFFF;
  --c-ink: #2C2419;
  --c-ink-soft: #5A4F42;
  --c-line: rgba(44, 36, 25, 0.12);

  --ff-serif: "Cormorant Garamond", "Times New Roman", serif;
  --ff-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --container: 1280px;
  --container-narrow: 1080px;

  --radius: 2px;
  --shadow-soft: 0 20px 60px -20px rgba(44, 36, 25, 0.18);
  --shadow-lift: 0 30px 80px -20px rgba(44, 36, 25, 0.28);

  --t-fast: 200ms cubic-bezier(.2,.8,.2,1);
  --t-base: 400ms cubic-bezier(.2,.8,.2,1);
  --t-slow: 800ms cubic-bezier(.2,.8,.2,1);
}

/* ============================================
   Reset
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--ff-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--c-ink);
  background: var(--c-cream-soft);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast); }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; background: none; border: none; outline: none; }
address { font-style: normal; }
em { font-style: italic; }

/* ============================================
   Layout
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4 {
  font-family: var(--ff-serif);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.section__eyebrow {
  font-family: var(--ff-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--c-brown);
  margin-bottom: 1.25rem;
}

.section__title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 1.5rem;
  max-width: 28ch;
}

.section__lead {
  font-size: 1.125rem;
  color: var(--c-ink-soft);
  max-width: 60ch;
}

.section__header {
  margin-bottom: 4rem;
  max-width: 60ch;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.05rem 2.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--t-base);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--c-ink);
  color: var(--c-cream);
}
.btn--primary:hover {
  background: var(--c-brown);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.btn--ghost {
  border-color: var(--c-cream);
  color: var(--c-cream);
}
.btn--ghost:hover {
  background: var(--c-cream);
  color: var(--c-ink);
}

.btn--block { width: 100%; }

.btn svg { transition: transform var(--t-fast); }
.btn:hover svg { transform: translateX(4px); }

/* ============================================
   Loader
   ============================================ */
.loader {
  position: fixed;
  inset: 0;
  background: var(--c-cream-soft);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 600ms ease, visibility 600ms ease;
}
.loader.is-hidden { opacity: 0; visibility: hidden; }

.loader__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}
.loader__line {
  width: 1px;
  height: 80px;
  background: var(--c-brown);
  transform-origin: top;
  animation: loaderLine 1.4s ease-in-out infinite;
}
.loader__text {
  font-family: var(--ff-serif);
  font-size: 1.25rem;
  letter-spacing: 0.4em;
  color: var(--c-brown);
}
@keyframes loaderLine {
  0%, 100% { transform: scaleY(0.2); opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* ============================================
   Header
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: all var(--t-base);
}
.header.is-scrolled {
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
  padding: 0.75rem 0;
}

.header__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}

.header__brand {
  display: block;
  line-height: 0;
  grid-column: 1;
  justify-self: start;
}
.nav { grid-column: 2; justify-self: center; }
.nav__toggle { grid-column: 3; justify-self: end; }
.header__logo {
  height: 42px;
  width: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--t-base), transform var(--t-base), visibility var(--t-base);
}
.header.is-scrolled .header__logo,
.header.is-menu-open .header__logo {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav__link {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--c-cream);
  position: relative;
  padding: 0.4rem 0;
  transition: color var(--t-fast);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transition: right var(--t-base);
}
.nav__link:hover::after { right: 0; }

.header.is-scrolled .nav__link { color: var(--c-cream); }

.nav__link--cta {
  background: var(--c-brown);
  color: var(--c-cream) !important;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  transition: all var(--t-base);
}
.nav__link--cta::after { display: none; }
.nav__link--cta:hover {
  background: var(--c-ink);
  transform: translateY(-1px);
}

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--c-cream);
  transition: all var(--t-base);
}
.header.is-scrolled .nav__toggle span { background: var(--c-cream); }
.header.is-menu-open .nav__toggle span { background: var(--c-ink); }

.header.is-menu-open .nav__toggle span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.header.is-menu-open .nav__toggle span:nth-child(2) { opacity: 0; }
.header.is-menu-open .nav__toggle span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  color: var(--c-cream);
  overflow: hidden;
  padding: 8rem 0 6rem;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: heroZoom 14s ease-out forwards;
}
@keyframes heroZoom {
  from { transform: scale(1.08); }
  to { transform: scale(1); }
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(20,16,10,0.55) 0%, rgba(20,16,10,0.4) 50%, rgba(20,16,10,0.8) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.hero__logo {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
  margin: 0 auto 2rem;
  filter: drop-shadow(0 8px 30px rgba(255, 200, 100, 0.25));
  -webkit-user-select: none;
  user-select: none;
  pointer-events: none;
}

.hero__title {
  font-size: clamp(2.25rem, 5vw, 4.5rem);
  line-height: 1.1;
  font-weight: 400;
  margin-bottom: 2rem;
  letter-spacing: -0.01em;
  color: var(--c-cream);
}
.hero__title span { display: block; }
.hero__title--italic {
  font-style: italic;
  color: var(--c-cream);
}

.hero__lead {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.7;
  max-width: 620px;
  margin: 0 auto 2.5rem;
  color: rgba(245, 240, 232, 0.92);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 30px;
  height: 50px;
  border: 1px solid rgba(245, 240, 232, 0.5);
  border-radius: 20px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.hero__scroll span {
  display: block;
  width: 2px;
  height: 8px;
  background: var(--c-cream);
  border-radius: 2px;
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(14px); opacity: 0.3; }
}

/* ============================================
   About
   ============================================ */
.about {
  padding: 8rem 0;
  background: var(--c-cream-soft);
}

.about__grid {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about__visual {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.about__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1200ms ease;
}
.about__visual:hover img { transform: scale(1.04); }

.about__intro {
  font-family: var(--ff-serif);
  font-size: 1.5rem;
  line-height: 1.5;
  color: var(--c-ink);
  margin-bottom: 1.75rem;
  font-style: italic;
}

.about__values {
  margin-top: 2.5rem;
  border-top: 1px solid var(--c-line);
}
.about__values li {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--c-line);
  color: var(--c-ink-soft);
}
.about__values strong {
  display: block;
  font-family: var(--ff-serif);
  font-size: 1.25rem;
  color: var(--c-brown);
  font-weight: 500;
  margin-bottom: 0.25rem;
  font-style: italic;
}

/* ============================================
   Services
   ============================================ */
.services {
  padding: 8rem 0;
  background: var(--c-cream);
  position: relative;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--c-line);
  border-left: 1px solid var(--c-line);
}

.service {
  padding: 2.5rem 2rem;
  background: transparent;
  border-right: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  transition: background var(--t-base), transform var(--t-base);
  display: flex;
  flex-direction: column;
  position: relative;
}
.service:hover {
  background: var(--c-cream-soft);
  transform: translateY(-4px);
  z-index: 2;
  box-shadow: var(--shadow-soft);
}

.service__icon {
  width: 48px;
  height: 48px;
  color: var(--c-brown);
  margin-bottom: 1.5rem;
  transition: transform var(--t-base);
}
.service:hover .service__icon {
  transform: scale(1.1) rotate(-3deg);
}
.service__icon svg { width: 100%; height: 100%; }

.service__title {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  color: var(--c-ink);
}

.service__desc {
  color: var(--c-ink-soft);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.service__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
}
.service__tags li {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  background: var(--c-cream-soft);
  color: var(--c-brown);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

/* ============================================
   Réalisations
   ============================================ */
.realisations {
  padding: 8rem 0;
  background: var(--c-cream-soft);
}

.realisations__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.reali {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
  background: var(--c-ink);
}
.reali img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 800ms cubic-bezier(.2,.8,.2,1), opacity var(--t-base);
}
.reali:hover img {
  transform: scale(1.06);
  opacity: 0.85;
}

.reali figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 2rem 1.75rem 1.75rem;
  background: linear-gradient(to top, rgba(20,16,10,0.85) 0%, rgba(20,16,10,0) 100%);
  color: var(--c-cream);
  transform: translateY(8px);
  transition: transform var(--t-base);
}
.reali:hover figcaption { transform: translateY(0); }

.reali__cat {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-beige);
  margin-bottom: 0.5rem;
}
.reali__title {
  font-family: var(--ff-serif);
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.2;
  color: var(--c-cream);
}

.realisations__note {
  text-align: center;
  margin-top: 3rem;
  color: var(--c-ink-soft);
  font-size: 0.9rem;
}

/* ============================================
   Experience / Stats — Notre histoire
   ============================================ */
.experience {
  padding: 8rem 0;
  background: var(--c-cream);
}

.experience__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.experience__intro p {
  color: var(--c-ink-soft);
  margin-bottom: 1rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--c-line);
  border-left: 1px solid var(--c-line);
}

.stat {
  padding: 2.5rem 1.5rem;
  border-right: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  text-align: center;
  background: var(--c-cream-soft);
  transition: background var(--t-base);
}
.stat:hover { background: var(--c-white); }

.stat__number {
  display: block;
  font-family: var(--ff-serif);
  font-size: clamp(2.75rem, 4.5vw, 4rem);
  font-weight: 400;
  line-height: 1;
  color: var(--c-brown);
  margin-bottom: 0.75rem;
  font-style: italic;
  letter-spacing: -0.02em;
}
.stat__number--stars {
  font-style: normal;
  font-size: clamp(1.5rem, 2vw, 2rem);
  letter-spacing: 0.15em;
  color: var(--c-brown);
  padding-top: 0.5rem;
}
.stat__suffix {
  font-size: 0.55em;
  color: var(--c-brown-light);
  font-style: normal;
  vertical-align: super;
  margin-left: 0.05em;
  font-weight: 500;
}
.stat__label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-ink-soft);
  font-weight: 500;
}

/* ============================================
   Testimonials
   ============================================ */
.testimonials {
  padding: 8rem 0;
  background: var(--c-cream);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.testimonial {
  background: var(--c-white);
  padding: 2.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: transform var(--t-base), box-shadow var(--t-base);
}
.testimonial:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.testimonial__rating {
  color: var(--c-brown);
  font-size: 1.1rem;
  letter-spacing: 0.25em;
}

.testimonial__quote {
  font-family: var(--ff-serif);
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--c-ink);
  font-style: italic;
  flex-grow: 1;
  position: relative;
}
.testimonial__quote::before {
  content: "\201C";
  position: absolute;
  left: -0.5rem;
  top: -2rem;
  font-size: 4rem;
  color: var(--c-brown-light);
  opacity: 0.35;
  line-height: 1;
  font-family: var(--ff-serif);
}

.testimonial__author {
  border-top: 1px solid var(--c-line);
  padding-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.testimonial__author strong {
  font-family: var(--ff-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--c-brown);
  font-style: italic;
}
.testimonial__author span {
  font-size: 0.85rem;
  color: var(--c-ink-soft);
}

/* ============================================
   Zone d'intervention
   ============================================ */
.zone {
  padding: 8rem 0;
  background: var(--c-ink);
  color: var(--c-cream);
}
.zone .section__eyebrow { color: var(--c-beige); }
.zone .section__title { color: var(--c-cream); }

.zone__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.zone__text p { color: rgba(245, 240, 232, 0.75); margin-bottom: 1rem; }

.zone__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}
.zone__list li {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(245, 240, 232, 0.12);
  font-family: var(--ff-serif);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--c-beige);
  transition: color var(--t-fast), padding var(--t-fast);
}
.zone__list li:hover {
  color: var(--c-cream);
  padding-left: 0.5rem;
}

/* ============================================
   Contact
   ============================================ */
.contact {
  padding: 8rem 0;
  background: var(--c-cream-soft);
}

.contact__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
  align-items: start;
}

.contact__infos {
  margin-top: 2.5rem;
}
.contact__infos li {
  padding: 1.25rem 0;
  border-top: 1px solid var(--c-line);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.contact__infos li:last-child { border-bottom: 1px solid var(--c-line); }

.contact__label {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--c-brown);
  font-weight: 500;
}

.contact__infos a, .contact__infos address {
  font-family: var(--ff-serif);
  font-size: 1.25rem;
  color: var(--c-ink);
  font-style: italic;
}
.contact__infos a:hover { color: var(--c-brown); }
.contact__infos em {
  font-size: 0.8rem;
  color: var(--c-ink-soft);
  font-family: var(--ff-sans);
  font-style: normal;
  margin-left: 0.4rem;
}

/* ============================================
   Form
   ============================================ */
.form {
  background: var(--c-white);
  padding: 3rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

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

.form__field label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-brown);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form__field input,
.form__field textarea,
.form__field select {
  width: 100%;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 1rem;
  color: var(--c-ink);
  background: transparent;
  border-radius: 0;
  transition: border-color var(--t-fast);
}
.form__field input:focus,
.form__field textarea:focus,
.form__field select:focus {
  border-bottom-color: var(--c-brown);
}
.form__field textarea {
  resize: vertical;
  min-height: 120px;
}
.form__field select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='none' stroke='%238B6F4E' stroke-width='1.2' d='M1 1l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
  padding-right: 2rem;
}

.form button[type="submit"] {
  margin-top: 1rem;
}

.form__legal {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--c-ink-soft);
  text-align: center;
  line-height: 1.5;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--c-ink);
  color: rgba(245, 240, 232, 0.7);
  padding: 5rem 0 1.5rem;
  font-size: 0.9rem;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__logo {
  height: auto;
  width: 100%;
  max-width: 240px;
  margin-bottom: 1rem;
}
.footer__tagline {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--c-beige);
  max-width: 22ch;
}

.footer__col h4 {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--c-cream);
  font-family: var(--ff-sans);
  font-weight: 500;
  margin-bottom: 1.25rem;
}
.footer__col ul li {
  margin-bottom: 0.6rem;
}
.footer__col a:hover { color: var(--c-beige); }

.footer__bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(245, 240, 232, 0.12);
  text-align: center;
  font-size: 0.8rem;
  color: rgba(245, 240, 232, 0.5);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .realisations__grid { grid-template-columns: repeat(2, 1fr); }
  .about__grid, .zone__grid, .contact__grid, .experience__inner { gap: 3rem; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 1.25rem; }

  .nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(85vw, 380px);
    background: var(--c-cream-soft);
    transform: translateX(100%);
    transition: transform var(--t-base);
    padding: 6rem 2rem 2rem;
    box-shadow: -10px 0 40px rgba(0,0,0,0.1);
  }
  .header.is-menu-open .nav { transform: translateX(0); }
  .nav__list { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
  .nav__link { color: var(--c-ink) !important; font-size: 1.1rem; }
  .nav__link--cta { width: 100%; text-align: center; }

  .nav__toggle { display: flex; }

  .hero { padding: 6rem 0 4.5rem; min-height: 100vh; min-height: 100dvh; }
  .hero__title { font-size: clamp(2.5rem, 12vw, 4.5rem); }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { width: 100%; }
  .hero__scroll { bottom: 1.25rem; }

  .about, .services, .realisations, .zone, .contact, .experience, .testimonials { padding: 5rem 0; }
  .about__grid, .zone__grid, .contact__grid, .experience__inner { grid-template-columns: 1fr; gap: 3rem; }
  .about__visual { aspect-ratio: 4/3; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .testimonial { padding: 2rem; }

  .services__grid { grid-template-columns: 1fr; }
  .realisations__grid { grid-template-columns: 1fr; }

  .zone__list { grid-template-columns: 1fr; }
  .zone__list li { font-size: 1.2rem; }

  .form { padding: 1.75rem; }
  .form__row { grid-template-columns: 1fr; gap: 0; margin-bottom: 0; }

  .footer__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer__logo { max-width: 200px; }
}