/* ============================================================
   RIVA MAISON — Warm Magazine Color System #9
   Palette: ivoire, crème chaude, sable doux, rouge brique léger,
            bleu grisé discret, noyer, texte anthracite
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --rm-ivoire: #F5F0E8;
  --rm-creme: #F0E6D3;
  --rm-sable: #D4A574;
  --rm-rouge-brique: #A0522D;
  --rm-rouge-fonce: #7C2D26;
  --rm-bleu-grise: #8A9BA8;
  --rm-noyer: #3D2B1F;
  --rm-anthracite: #2C2C2C;
  --rm-blanc: #FFFFFF;
  --rm-noir: #1A1A1A;

  /* Typography */
  --rm-font-serif: 'Georgia', 'Times New Roman', serif;
  --rm-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --rm-space-xs: 0.25rem;
  --rm-space-sm: 0.5rem;
  --rm-space-md: 1rem;
  --rm-space-lg: 1.5rem;
  --rm-space-xl: 2rem;
  --rm-space-2xl: 3rem;
  --rm-space-3xl: 4rem;
  --rm-space-4xl: 6rem;

  /* Layout */
  --rm-max-width: 1200px;
  --rm-content-width: 800px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--rm-font-sans);
  color: var(--rm-anthracite);
  background-color: var(--rm-ivoire);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--rm-rouge-brique);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--rm-noyer);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--rm-font-serif);
  color: var(--rm-noyer);
  line-height: 1.3;
}

/* --- Utility --- */
.rm-container {
  max-width: var(--rm-max-width);
  margin: 0 auto;
  padding: 0 var(--rm-space-lg);
}

.rm-content {
  max-width: var(--rm-content-width);
  margin: 0 auto;
}

.rm-section {
  padding: var(--rm-space-3xl) 0;
}

.rm-section--light {
  background-color: var(--rm-blanc);
}

.rm-section--warm {
  background-color: var(--rm-creme);
}

.rm-section-title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: var(--rm-space-xl);
  position: relative;
}

.rm-section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background-color: var(--rm-rouge-brique);
  margin: var(--rm-space-md) auto 0;
}

.rm-section-subtitle {
  text-align: center;
  font-size: 1.05rem;
  color: var(--rm-bleu-grise);
  margin-bottom: var(--rm-space-2xl);
  font-style: italic;
}

.rm-btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  background-color: var(--rm-rouge-brique);
  color: var(--rm-blanc);
  font-family: var(--rm-font-serif);
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
  text-align: center;
}

.rm-btn:hover {
  background-color: var(--rm-noyer);
  color: var(--rm-blanc);
}

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

.rm-btn--outline:hover {
  background-color: var(--rm-rouge-brique);
  color: var(--rm-blanc);
}

/* ============================================================
   HEADER — Centered Brand (Variant #3, Option B)
   ============================================================ */
.rm-header {
  background-color: var(--rm-ivoire);
  border-bottom: 1px solid rgba(160, 82, 45, 0.15);
  position: sticky;
  top: 0;
  z-index: 100;
}

.rm-header__top {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--rm-space-md) var(--rm-space-lg);
  position: relative;
}

.rm-header__burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--rm-space-sm);
  position: absolute;
  right: var(--rm-space-lg);
  top: 50%;
  transform: translateY(-50%);
}

.rm-header__burger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--rm-noyer);
  margin: 5px 0;
  transition: transform 0.3s ease;
}

.rm-header__logo {
  width: 100px;
  height: auto;
}

.rm-header__nav {
  border-top: 1px solid rgba(160, 82, 45, 0.1);
}

.rm-header__menu {
  display: flex;
  justify-content: center;
  list-style: none;
  gap: var(--rm-space-xl);
  padding: var(--rm-space-sm) var(--rm-space-lg);
}

.rm-header__menu-link {
  font-family: var(--rm-font-serif);
  font-size: 0.925rem;
  color: var(--rm-noyer);
  padding: var(--rm-space-sm) 0;
  position: relative;
  letter-spacing: 0.02em;
}

.rm-header__menu-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--rm-rouge-brique);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.rm-header__menu-link:hover::after {
  transform: scaleX(1);
}

.rm-header__menu-link--cta {
  color: var(--rm-rouge-brique);
  font-weight: 600;
}

/* ============================================================
   FOOTER — Centered
   ============================================================ */
.rm-footer {
  background-color: var(--rm-noyer);
  color: var(--rm-creme);
  padding: var(--rm-space-3xl) var(--rm-space-lg) var(--rm-space-xl);
  text-align: center;
}

.rm-footer__logo {
  width: 60px;
  height: auto;
  margin: 0 auto var(--rm-space-md);
}

.rm-footer__tagline {
  font-family: var(--rm-font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--rm-sable);
  margin-bottom: var(--rm-space-xl);
}

.rm-footer__menu {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  list-style: none;
  gap: var(--rm-space-sm) var(--rm-space-lg);
  margin-bottom: var(--rm-space-xl);
}

.rm-footer__menu-link {
  color: var(--rm-creme);
  font-size: 0.875rem;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.rm-footer__menu-link:hover {
  opacity: 1;
  color: var(--rm-sable);
}

.rm-footer__bottom {
  border-top: 1px solid rgba(245, 240, 232, 0.15);
  padding-top: var(--rm-space-lg);
}

.rm-footer__copyright {
  font-size: 0.8rem;
  opacity: 0.7;
  margin-bottom: var(--rm-space-xs);
}

.rm-footer__domain {
  font-size: 0.8rem;
  font-family: var(--rm-font-serif);
  color: var(--rm-sable);
  margin-bottom: var(--rm-space-sm);
}

.rm-footer__disclaimer {
  font-size: 0.75rem;
  opacity: 0.5;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.5;
}

/* ============================================================
   HERO — Storytelling (Variant #9)
   ============================================================ */
.rm-hero {
  padding: var(--rm-space-4xl) var(--rm-space-lg);
  text-align: center;
  background: linear-gradient(180deg, var(--rm-ivoire) 0%, var(--rm-creme) 100%);
  position: relative;
  overflow: hidden;
}

.rm-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('/assets/images/rivamaisonib-hero-interior.webp') center/cover no-repeat;
  opacity: 0.12;
  z-index: 0;
}

.rm-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--rm-content-width);
  margin: 0 auto;
}

.rm-hero__title {
  font-size: 3rem;
  color: var(--rm-noyer);
  margin-bottom: var(--rm-space-lg);
  line-height: 1.2;
}

.rm-hero__subtitle {
  font-size: 1.2rem;
  color: var(--rm-rouge-brique);
  font-style: italic;
  margin-bottom: var(--rm-space-xl);
}

.rm-hero__text {
  font-size: 1.05rem;
  color: var(--rm-anthracite);
  max-width: 650px;
  margin: 0 auto var(--rm-space-xl);
  line-height: 1.8;
}

.rm-hero__btn {
  font-size: 1.05rem;
}

/* ============================================================
   CONTENT SECTIONS — Magazine Layout (Variant #4)
   ============================================================ */
.rm-content-section {
  padding: var(--rm-space-3xl) 0;
}

.rm-content-section--alt {
  background-color: var(--rm-creme);
}

.rm-content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--rm-space-xl);
  justify-items: center;
  text-align: center;
  max-width: var(--rm-content-width);
  margin: 0 auto;
}

.rm-content-grid__image {
  border-radius: 2px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  max-width: 100%;
}

.rm-content-grid__title {
  font-size: 1.75rem;
  margin-bottom: var(--rm-space-md);
}

.rm-content-grid__text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--rm-anthracite);
  margin-bottom: var(--rm-space-md);
}

/* --- Editorial Text --- */
.rm-editorial {
  max-width: var(--rm-content-width);
  margin: 0 auto;
}

.rm-editorial p {
  margin-bottom: var(--rm-space-lg);
  font-size: 1.025rem;
  line-height: 1.8;
}

.rm-editorial__lead {
  font-size: 1.15rem;
  font-family: var(--rm-font-serif);
  color: var(--rm-noyer);
  font-style: italic;
  line-height: 1.7;
}

.rm-editorial__pullquote {
  font-family: var(--rm-font-serif);
  font-size: 1.5rem;
  color: var(--rm-rouge-brique);
  text-align: center;
  padding: var(--rm-space-xl) var(--rm-space-lg);
  margin: var(--rm-space-xl) 0;
  border-top: 1px solid rgba(160, 82, 45, 0.2);
  border-bottom: 1px solid rgba(160, 82, 45, 0.2);
  font-style: italic;
}

/* --- Gallery Grid --- */
.rm-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--rm-space-lg);
}

.rm-gallery__item {
  overflow: hidden;
  border-radius: 2px;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.rm-gallery__item:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.rm-gallery__item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

/* --- FAQ Accordion --- */
.rm-faq {
  max-width: var(--rm-content-width);
  margin: 0 auto;
}

.rm-faq__item {
  border-bottom: 1px solid rgba(61, 43, 31, 0.1);
}

.rm-faq__question {
  width: 100%;
  background: none;
  border: none;
  padding: var(--rm-space-lg) 0;
  font-family: var(--rm-font-serif);
  font-size: 1.05rem;
  color: var(--rm-noyer);
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.3s ease;
}

.rm-faq__question:hover {
  color: var(--rm-rouge-brique);
}

.rm-faq__question::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--rm-rouge-brique);
  transition: transform 0.3s ease;
}

.rm-faq__question[aria-expanded="true"]::after {
  transform: rotate(45deg);
}

.rm-faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0;
}

.rm-faq__answer--open {
  max-height: 500px;
  padding: 0 0 var(--rm-space-lg);
}

.rm-faq__answer p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--rm-anthracite);
}

/* ============================================================
   PAGE HERO (Internal Pages)
   ============================================================ */
.rm-page-hero {
  padding: var(--rm-space-3xl) var(--rm-space-lg);
  text-align: center;
  background: linear-gradient(180deg, var(--rm-ivoire) 0%, var(--rm-creme) 100%);
}

.rm-page-hero__title {
  font-size: 2.5rem;
  color: var(--rm-noyer);
  margin-bottom: var(--rm-space-md);
}

.rm-page-hero__subtitle {
  font-size: 1.1rem;
  color: var(--rm-bleu-grise);
  font-style: italic;
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================================
   CTA — Contact CTA (Variant #10)
   ============================================================ */
.rm-cta {
  text-align: center;
  padding: var(--rm-space-3xl) var(--rm-space-lg);
  background-color: var(--rm-noyer);
  color: var(--rm-creme);
}

.rm-cta__title {
  font-size: 2rem;
  color: var(--rm-creme);
  margin-bottom: var(--rm-space-md);
}

.rm-cta__text {
  font-size: 1.05rem;
  opacity: 0.9;
  max-width: 500px;
  margin: 0 auto var(--rm-space-xl);
  line-height: 1.7;
}

.rm-cta__btn {
  background-color: var(--rm-rouge-brique);
  color: var(--rm-blanc);
  font-family: var(--rm-font-serif);
  font-size: 1rem;
  padding: 0.875rem 2.5rem;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
  display: inline-block;
}

.rm-cta__btn:hover {
  background-color: var(--rm-sable);
  color: var(--rm-noyer);
}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.rm-form {
  max-width: 600px;
  margin: 0 auto;
}

.rm-form__group {
  margin-bottom: var(--rm-space-lg);
}

.rm-form__label {
  display: block;
  font-family: var(--rm-font-serif);
  font-size: 0.9rem;
  color: var(--rm-noyer);
  margin-bottom: var(--rm-space-xs);
}

.rm-form__input,
.rm-form__textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--rm-creme);
  background-color: var(--rm-blanc);
  font-family: var(--rm-font-sans);
  font-size: 1rem;
  color: var(--rm-anthracite);
  transition: border-color 0.3s ease;
}

.rm-form__input:focus,
.rm-form__textarea:focus {
  outline: none;
  border-color: var(--rm-rouge-brique);
}

.rm-form__textarea {
  min-height: 150px;
  resize: vertical;
}

.rm-form__submit {
  width: 100%;
}

/* ============================================================
   AGE GATE (21+ Popup)
   ============================================================ */
.rm-agegate {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(29, 25, 20, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.rm-agegate--visible {
  opacity: 1;
  visibility: visible;
}

.rm-agegate__modal {
  background-color: var(--rm-ivoire);
  padding: var(--rm-space-3xl) var(--rm-space-2xl);
  max-width: 420px;
  width: 90%;
  text-align: center;
  border-radius: 2px;
}

.rm-agegate__title {
  font-size: 1.5rem;
  margin-bottom: var(--rm-space-md);
}

.rm-agegate__text {
  font-size: 0.95rem;
  color: var(--rm-anthracite);
  margin-bottom: var(--rm-space-xl);
  line-height: 1.6;
}

.rm-agegate__buttons {
  display: flex;
  gap: var(--rm-space-md);
  justify-content: center;
}

.rm-agegate__btn {
  padding: 0.75rem 2rem;
  border: none;
  font-family: var(--rm-font-serif);
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.rm-agegate__btn--yes {
  background-color: var(--rm-rouge-brique);
  color: var(--rm-blanc);
}

.rm-agegate__btn--yes:hover {
  background-color: var(--rm-noyer);
}

.rm-agegate__btn--no {
  background-color: transparent;
  border: 1px solid var(--rm-rouge-brique);
  color: var(--rm-rouge-brique);
}

.rm-agegate__btn--no:hover {
  background-color: var(--rm-rouge-brique);
  color: var(--rm-blanc);
}

/* ============================================================
   COOKIE BANNER
   ============================================================ */
.rm-cookie {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--rm-noyer);
  color: var(--rm-creme);
  padding: var(--rm-space-lg);
  z-index: 9998;
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.rm-cookie--visible {
  transform: translateY(0);
}

.rm-cookie__inner {
  max-width: var(--rm-max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--rm-space-lg);
  flex-wrap: wrap;
}

.rm-cookie__text {
  font-size: 0.85rem;
  line-height: 1.5;
  flex: 1;
  min-width: 250px;
}

.rm-cookie__text a {
  color: var(--rm-sable);
  text-decoration: underline;
}

.rm-cookie__btn {
  padding: 0.5rem 1.5rem;
  background-color: var(--rm-rouge-brique);
  color: var(--rm-blanc);
  border: none;
  cursor: pointer;
  font-family: var(--rm-font-serif);
  font-size: 0.9rem;
  white-space: nowrap;
}

.rm-cookie__btn:hover {
  background-color: var(--rm-sable);
  color: var(--rm-noyer);
}

/* ============================================================
   LEGAL PAGES — Editorial Style (System #2)
   ============================================================ */
.rm-legal__section {
  margin-bottom: var(--rm-space-xl);
}

.rm-legal__section-title {
  font-size: 1.3rem;
  margin-bottom: var(--rm-space-md);
  color: var(--rm-noyer);
}

.rm-legal__summary {
  background-color: var(--rm-creme);
  padding: var(--rm-space-lg);
  border-left: 3px solid var(--rm-rouge-brique);
  margin: var(--rm-space-xl) 0;
}

/* ============================================================
   THANK YOU PAGE
   ============================================================ */
.rm-thankyou {
  text-align: center;
  padding: var(--rm-space-4xl) var(--rm-space-lg);
}

.rm-thankyou__icon {
  font-size: 3rem;
  color: var(--rm-rouge-brique);
  margin-bottom: var(--rm-space-lg);
}

.rm-thankyou__title {
  font-size: 2rem;
  margin-bottom: var(--rm-space-md);
}

.rm-thankyou__text {
  font-size: 1.1rem;
  color: var(--rm-bleu-grise);
  margin-bottom: var(--rm-space-xl);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .rm-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .rm-header__burger {
    display: block;
  }

  .rm-header__nav {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }

  .rm-header__nav--open {
    max-height: 500px;
  }

  .rm-header__menu {
    flex-direction: column;
    align-items: center;
    gap: var(--rm-space-sm);
    padding: var(--rm-space-md);
  }

  .rm-gallery {
    grid-template-columns: 1fr 1fr;
  }

  .rm-editorial p {
    padding: 0 var(--rm-space-md);
  }

  .rm-hero__title {
    font-size: 2rem;
  }

  .rm-page-hero__title {
    font-size: 1.8rem;
  }

  .rm-section-title {
    font-size: 1.5rem;
  }

  .rm-footer__menu {
    flex-direction: column;
    align-items: center;
    gap: var(--rm-space-sm);
  }

  .rm-agegate__buttons {
    flex-direction: column;
  }

  .rm-cookie__inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .rm-gallery {
    grid-template-columns: 1fr;
  }

  .rm-hero__title {
    font-size: 1.6rem;
  }

  .rm-section {
    padding: var(--rm-space-2xl) 0;
  }
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
  .rm-header,
  .rm-footer,
  .rm-agegate,
  .rm-cookie,
  .rm-hero__btn,
  .rm-cta__btn {
    display: none !important;
  }
}