:root {
  --bg: #f6f2eb;
  --surface: #ffffff;
  --surface-soft: #f1ebe3;

  --primary: #202613;
  --secondary: #374019;
  --accent: #8a8c3f;

  --text: #202613;
  --text-soft: #594e4d;

  --border: rgba(32, 38, 19, 0.10);
  --shadow: rgba(31, 26, 21, 0.05);

  --container: 1100px;
  --radius: 18px;
}

/* RESET */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

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

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

p {
  text-align: justify;
}

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

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(246, 242, 235, 0.95);
  border-bottom: 1px solid rgba(32, 38, 19, 0.08);
  backdrop-filter: blur(8px);
}

.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
}

.logo {
  color: var(--primary);
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

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

.main-nav a {
  color: var(--text-soft);
  font-size: 0.93rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  position: relative;
  transition: color 0.2s ease;
}

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

.main-nav a.active {
  color: var(--primary);
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  background: var(--accent);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: white;
  border-radius: 10px;
  cursor: pointer;
  color: var(--text);
}

/* HERO */
.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(rgba(32, 38, 19, 0.35), rgba(32, 38, 19, 0.35)),
    url("images/hero.jpg") center center / cover no-repeat;
}

.hero-overlay {
  width: 100%;
}

.hero-box {
  max-width: 620px;
  color: white;
}

.hero-kicker {
  margin: 0 0 12px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.9);
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  line-height: 1.02;
  color: white;
}

.hero-text {
  margin: 0 0 24px;
  max-width: 28ch;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.96);
  text-align: left;
}

.hero-btn {
  display: inline-block;
  padding: 14px 24px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.08);
  color: white;
  font-size: 0.85rem;
  transition: background 0.2s ease, transform 0.2s ease;
}

.hero-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-1px);
}

/* SECTIONS */
.section {
  padding: 80px 0;
}

.section h2 {
  margin: 0 0 22px;
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.08;
  font-weight: 600;
  color: var(--primary);
}

.section p {
  margin: 0 0 18px;
  color: var(--text-soft);
  font-size: 1rem;
}

.section-project,
.section-architecture,
.section-promoter,
.section-gallery {
  background: var(--bg);
}

.section-logements,
.section-location,
.section-contact {
  background: var(--surface-soft);
}

/* SPLIT */
.split-section {
  display: grid;
  grid-template-columns: 380px 1fr; /* plus large pour le titre */
  gap: 80px; 
  align-items: start;
}
.split-title h2 {
  margin: 0;
}

.split-content p {
  margin-top: 0;
  margin-bottom: 18px;
  max-width: 520px;
}

/* LOGEMENTS */
.section-intro {
  margin-bottom: 28px;
}

.housing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-top: 30px;
}

.housing-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border);
  padding: 28px;
  border-radius: var(--radius);
  box-shadow: 0 10px 30px var(--shadow);
}

.housing-card h3 {
  margin: 0 0 12px;
  font-size: 1.15rem;
  color: var(--secondary);
}

.housing-meta {
  margin-top: 12px;
  color: var(--text-soft);
  font-weight: 600;
}

.notes-box {
  margin-top: 24px;
  padding: 20px 24px;
  border-left: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.55);
}

.text-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--secondary);
  font-weight: 600;
}

.text-link:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* ARCHITECTURE */
.archi-intro {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: center;
  margin: 28px 0 42px;
}

.archi-text {
  max-width: 62ch;
}

.archi-text p {
  text-align: justify;
}

.archi-logo {
  display: flex;
  justify-content: flex-end;
}

.archi-logo img {
  width: 100%;
  max-width: 320px;
  height: auto;
  display: block;
}

.architecture-points {
  display: flex;
  flex-direction: column;
  border-top: 1px solid rgba(32, 38, 19, 0.10);
}

.archi-point {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid rgba(32, 38, 19, 0.10);
}

.archi-point h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--primary);
}

.archi-point p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.6;
  text-align: left;
}

/* GALERIE */
.section-gallery h2 {
  margin-bottom: 24px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  align-items: start;
}

.gallery-item {
  overflow: hidden;
  border-radius: 18px;
  background: #ddd;
  aspect-ratio: 4 / 3;
  width: 100%;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.03);
}

/* CONTACT */
.contact-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: start;
}

.contact-intro {
  position: relative;
  max-width: 420px;
  padding-left: 22px;
}

.contact-intro::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 2px;
  height: 140px;
  background: var(--accent);
  opacity: 0.7;
}

.contact-eyebrow {
  margin: 0 0 10px;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  text-align: left;
}

.contact-intro h2 {
  margin: 0 0 14px;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 0.95;
}

.contact-company {
  margin: 0 0 18px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary);
  text-align: left;
}

.contact-details {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
}

.contact-details li {
  margin-bottom: 8px;
}

.contact-details a {
  color: var(--text-soft);
  text-decoration: none;
}

.contact-description {
  max-width: 32ch;
  color: var(--text-soft);
  line-height: 1.7;
  text-align: left;
}

.interest-form {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px;
  box-shadow: 0 10px 30px var(--shadow);
}

.form-title {
  margin: 0 0 22px;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--primary);
  text-align: left;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  grid-column: span 6;
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-group-phone-prefix {
  grid-column: span 4;
}

.form-group-phone-number {
  grid-column: span 8;
}

.form-group label {
  font-size: 0.92rem;
  color: var(--primary);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  font: inherit;
  color: var(--text);
  outline: none;
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.checkbox-group {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checkbox {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.checkbox span {
  text-align: left;
}

.submit-btn {
  margin-top: 22px;
  border: none;
  border-radius: 999px;
  background: var(--primary);
  color: white;
  padding: 15px 28px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.submit-btn:hover {
  background: var(--secondary);
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .contact-intro {
    padding-left: 18px;
    max-width: 100%;
  }

  .contact-intro::before {
    height: 120px;
  }

  .interest-form {
    padding: 22px;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .form-group,
  .form-group-full,
  .form-group-phone-prefix,
  .form-group-phone-number {
    grid-column: auto;
  }

  .submit-btn {
    width: 100%;
  }
}
/* FOOTER */
.site-footer {
  padding: 32px 0;
  background: #f1ebe3;
  border-top: 1px solid rgba(32, 38, 19, 0.08);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer-title {
  margin: 0 0 8px;
  font-weight: 700;
  color: var(--primary);
}

.footer-block p {
  margin: 0 0 8px;
  color: var(--text-soft);
  text-align: left;
}

.footer-block a {
  color: var(--text-soft);
}

/* PAGE APPARTEMENT */
.apartment-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 30px;
  align-items: start;
}

.apartment-visual {
  min-height: 360px;
}

.apartment-info {
  background: rgba(255, 255, 255, 0.88);
  padding: 25px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px var(--shadow);
}

.apartment-specs {
  list-style: none;
  padding: 0;
  margin: 0;
}

.apartment-specs li {
  margin-bottom: 12px;
  color: var(--text-soft);
}

/* TABLET */
@media (max-width: 1024px) {
  .split-section,
  .contact-layout,
  .apartment-layout {
    grid-template-columns: 1fr;
  }

  .housing-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .archi-intro {
    grid-template-columns: 1fr 280px;
    gap: 32px;
  }
}

/* MOBILE */
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  p {
    text-align: left;
  }

  .header-inner {
    min-height: 68px;
    gap: 12px;
  }

  .logo {
    font-size: 0.85rem;
    line-height: 1.2;
    max-width: 130px;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    padding: 0;
    font-size: 1.1rem;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(246, 242, 235, 0.98);
    border-bottom: 1px solid rgba(32, 38, 19, 0.08);
    padding: 8px 20px 16px;
    z-index: 999;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    width: 100%;
    padding: 12px 0;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(32, 38, 19, 0.06);
  }

  .main-nav a.active::after {
    bottom: 6px;
  }

  .hero {
    min-height: 72vh;
    align-items: end;
    background-position: center center;
  }

  .hero-box {
    max-width: 100%;
    padding: 0 0 36px;
  }

  .hero-kicker {
    font-size: 0.72rem;
    margin-bottom: 8px;
  }

  .hero h1 {
    font-size: clamp(2.1rem, 9vw, 3rem);
    line-height: 0.98;
    margin: 0 0 14px;
    max-width: 10ch;
  }

  .hero-text {
    max-width: 24ch;
    font-size: 1rem;
    margin-bottom: 18px;
    text-align: left;
  }

  .hero-btn {
    padding: 12px 18px;
    font-size: 0.78rem;
  }

  .section {
    padding: 64px 0;
  }

  .section h2 {
    font-size: 2rem;
    margin-bottom: 18px;
  }

  .split-section,
  .housing-grid,
  .contact-layout,
  .apartment-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .housing-card,
  .interest-form,
  .apartment-info {
    padding: 20px;
  }

  .archi-intro {
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: start;
  }

  .archi-logo {
    justify-content: center;
  }

  .archi-logo img {
    max-width: 220px;
    margin: 0 auto;
  }

  .architecture-points {
    display: flex;
    flex-direction: column;
  }

  .archi-point {
    display: block;
    padding: 18px 0;
  }

  .archi-point h3 {
    margin: 0 0 8px;
  }

  .archi-point p {
    margin: 0;
    text-align: left;
  }

  .section-gallery .container {
    padding-left: 28px;
    padding-right: 28px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    justify-items: center;
  }

  .gallery-item {
    max-width: 420px;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .form-group,
  .form-group-full,
  .form-group-phone-prefix,
  .form-group-phone-number {
    grid-column: auto;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 12px 14px;
  }

  .submit-btn {
    width: 100%;
  }

  .footer-inner {
    flex-direction: column;
    gap: 18px;
  }
}

/* VERY SMALL MOBILE */
@media (max-width: 480px) {
  .logo {
    max-width: 110px;
    font-size: 0.78rem;
  }

  .hero {
    min-height: 66vh;
  }

  .hero h1 {
    font-size: 2.3rem;
  }

  .hero-text {
    font-size: 0.95rem;
    max-width: 22ch;
  }

  .section {
    padding: 52px 0;
  }

  .section h2 {
    font-size: 1.75rem;
  }

  .gallery-item {
    max-width: 100%;
  }
}