/* mamaisondesign.fr · Contemporain Aérien & Matières */

:root {
  --color-bg: #F5F1EA;
  --color-secondary: #A8A093;
  --color-accent: #5C6B4F;
  --color-text: #2C2A26;
  --color-text-muted: #6B665E;
  --color-white: #FDFCFA;
  --font-serif: "Fraunces", "Georgia", serif;
  --font-sans: "Work Sans", "Helvetica Neue", sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --max-width: 72rem;
  --header-height: 4.5rem;
  --radius: 2px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  opacity: 0.75;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 300;
  line-height: 1.25;
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.625rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
  margin: 0 0 var(--space-sm);
}

ul, ol {
  margin: 0 0 var(--space-sm);
  padding-left: 1.25rem;
}

/* Placeholder content marker */
.placeholder {
  background: rgba(168, 160, 147, 0.15);
  border-left: 3px solid var(--color-secondary);
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* Layout */
.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-xl);
}

.section--tight {
  padding-block: var(--space-lg);
}

.section--hero {
  padding-block: var(--space-2xl) var(--space-xl);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 241, 234, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(168, 160, 147, 0.25);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--space-sm);
}

.site-logo {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--color-text);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.site-logo span {
  color: var(--color-accent);
}

.site-nav {
  display: none;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  color: var(--color-text);
  font-size: 0.8125rem;
  font-weight: 400;
}

@media (min-width: 900px) {
  .site-nav a:not(.btn) {
    font-size: 0.875rem;
  }
}

.site-nav a.is-active {
  color: var(--color-accent);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.5rem;
  height: 1.5px;
  background: var(--color-text);
  transition: var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.site-nav--open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-bg);
  padding: var(--space-md);
  border-bottom: 1px solid rgba(168, 160, 147, 0.25);
  align-items: stretch;
}

.site-nav--open a {
  padding: var(--space-xs) 0;
}

@media (min-width: 768px) {
  .site-nav {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  text-align: center;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn--primary:hover {
  opacity: 1;
  background: #4a5740;
}

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn--outline:hover {
  opacity: 1;
  background: var(--color-accent);
  color: var(--color-white);
}

/* Hero */
.hero {
  text-align: center;
  max-width: 42rem;
  margin-inline: auto;
}

.hero__lead {
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-top: var(--space-md);
}

/* Cards grid */
.grid {
  display: grid;
  gap: var(--space-md);
}

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

.grid--3 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
}

/* Service cards */
.card {
  background: var(--color-white);
  padding: var(--space-md);
  border: 1px solid rgba(168, 160, 147, 0.2);
}

.card__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-secondary);
  margin-bottom: var(--space-xs);
}

.card__tarif {
  margin-top: var(--space-sm);
  margin-bottom: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.card__link {
  display: inline-block;
  margin-top: var(--space-sm);
  font-weight: 500;
  font-size: 0.9375rem;
}

/* Image placeholders */
.img-placeholder {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, rgba(168, 160, 147, 0.2), rgba(92, 107, 79, 0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-style: italic;
  border: 1px dashed rgba(168, 160, 147, 0.4);
}

.img-placeholder--wide {
  aspect-ratio: 16 / 9;
}

.img-placeholder--texture {
  aspect-ratio: 1;
  background:
    linear-gradient(45deg, rgba(168, 160, 147, 0.15) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(168, 160, 147, 0.15) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(92, 107, 79, 0.08) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(92, 107, 79, 0.08) 75%),
    var(--color-bg);
  background-size: 20px 20px;
}

/* Project cards */
.project-card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: rgba(168, 160, 147, 0.12);
}

.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-card__benefit {
  margin-top: var(--space-sm);
  margin-bottom: 0;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.project-card__context {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* Testimonials */
.testimonial {
  background: var(--color-white);
  padding: var(--space-md);
  border-left: 3px solid var(--color-accent);
}

.testimonial__quote {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 300;
  font-style: italic;
  margin-bottom: var(--space-sm);
}

.testimonial__author {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Table */
.table-wrapper {
  overflow-x: auto;
  margin-bottom: var(--space-lg);
}

.prestations-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.prestations-table th,
.prestations-table td {
  padding: var(--space-sm);
  text-align: left;
  border-bottom: 1px solid rgba(168, 160, 147, 0.3);
  vertical-align: top;
}

.prestations-table th {
  font-family: var(--font-serif);
  font-weight: 400;
  background: rgba(168, 160, 147, 0.1);
}

.prestations-table td:first-child {
  font-weight: 500;
  color: var(--color-text-muted);
  width: 25%;
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid rgba(168, 160, 147, 0.25);
  padding-block: var(--space-sm);
}

.faq-item summary {
  font-family: var(--font-serif);
  font-weight: 400;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
}

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

.faq-item summary::after {
  content: "+";
  font-family: var(--font-sans);
  font-size: 1.25rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin-top: var(--space-sm);
  color: var(--color-text-muted);
}

/* Method steps */
.method-steps {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .method-steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.method-step {
  text-align: center;
}

.method-step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--color-accent);
  border-radius: 50%;
  font-size: 0.875rem;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.method-step p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* About layout */
.about-photo {
  width: 100%;
  object-fit: cover;
  object-position: center top;
}

.about-grid {
  display: grid;
  gap: var(--space-lg);
  align-items: start;
}

.about-intro__figure {
  margin: 0;
}

.about-intro__lead {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.about-intro__content .about-intro__subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  margin-top: 0;
  margin-bottom: var(--space-md);
}

.about-divider {
  border: none;
  border-top: 1px solid rgba(168, 160, 147, 0.35);
  margin: var(--space-lg) 0;
}

.about-quote {
  margin: var(--space-md) 0;
  padding: var(--space-md);
  border: 1px solid rgba(168, 160, 147, 0.25);
  border-left: 3px solid var(--color-accent);
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-text-muted);
  background: var(--color-white);
}

.about-quote strong {
  font-style: normal;
  font-weight: 500;
  color: var(--color-text);
}

.about-benefits {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.about-benefit-card {
  padding: var(--space-md);
  background: var(--color-white);
  border: 1px solid rgba(168, 160, 147, 0.22);
}

.about-benefit-card h3 {
  font-size: 1.0625rem;
  font-weight: 400;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.about-benefit-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.about-benefit-card p strong {
  color: var(--color-text);
  font-weight: 500;
}

.about-grid--intro .about-photo {
  aspect-ratio: 4 / 5;
  max-width: 16rem;
  margin-inline: auto;
  border: 1px solid rgba(44, 42, 38, 0.12);
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-grid--intro {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .about-intro__figure {
    justify-self: end;
  }

  .about-grid--intro .about-photo {
    max-width: 20rem;
    margin-inline: 0 0 auto;
  }
}

/* Section headers */
.section-header {
  text-align: center;
  max-width: 36rem;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

.section-header p {
  color: var(--color-text-muted);
}

/* Newsletter block (in-page) */
.newsletter-block {
  background: var(--color-white);
  padding: var(--space-lg);
  text-align: center;
  border: 1px solid rgba(168, 160, 147, 0.2);
}

/* Forms */
.form-group {
  margin-bottom: var(--space-sm);
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid rgba(168, 160, 147, 0.4);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-text);
}

.form-group textarea {
  min-height: 5rem;
  resize: vertical;
}

.form-row {
  display: grid;
  gap: var(--space-sm);
}

@media (min-width: 640px) {
  .form-row--2 {
    grid-template-columns: 1fr 1fr;
  }
}

.form-inline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  max-width: 28rem;
  margin-inline: auto;
}

.form-inline input {
  flex: 1;
  min-width: 12rem;
}

.form-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* Footer */
.site-footer {
  background: rgba(168, 160, 147, 0.12);
  padding-block: var(--space-xl);
  margin-top: var(--space-xl);
}

.footer-grid {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.footer-bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(168, 160, 147, 0.25);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.footer-bottom a {
  color: var(--color-text-muted);
}

/* Utility */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mb-lg { margin-bottom: var(--space-lg); }
.mt-lg { margin-top: var(--space-lg); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}