/* ==========================================================================
   ARIUS — Conseil patrimonial privé
   Direction artistique : sobre, institutionnelle, patrimoniale.
   Palette : ivoire, bleu nuit, anthracite, accent bronze.
   ========================================================================== */

:root {
  --ivory: #F5F2EA;
  --paper: #FBF9F4;
  --night: #101C2E;
  --night-deep: #0B1422;
  --night-soft: #1A2A42;
  --ink: #1C2129;
  --grey: #545B66;
  --grey-light: #8A9099;
  --bronze: #A07E4B;
  --bronze-soft: #C3A97E;
  --line: rgba(16, 28, 46, 0.14);
  --line-dark: rgba(245, 242, 234, 0.16);

  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans: "Inter", "Helvetica Neue", Arial, sans-serif;

  --w-content: 1120px;
  --w-text: 760px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body { overflow-x: clip; }

body {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--ink);
  background: var(--ivory);
  -webkit-font-smoothing: antialiased;
}

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

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

::selection { background: var(--night); color: var(--ivory); }

/* --------------------------------------------------------------------------
   Typographie
   -------------------------------------------------------------------------- */

h1, h2, h3, .serif {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.18;
  color: var(--night);
  letter-spacing: 0.005em;
}

h1 { font-size: clamp(2.4rem, 5.2vw, 3.9rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
h3 { font-size: clamp(1.35rem, 2.2vw, 1.7rem); }

p { max-width: var(--w-text); }

.lede {
  font-size: clamp(1.1rem, 1.7vw, 1.3rem);
  line-height: 1.7;
  color: var(--grey);
}

.eyebrow {
  display: block;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 1.4rem;
}

.rule {
  width: 56px;
  height: 1px;
  background: var(--bronze);
  border: none;
  margin: 1.8rem 0;
}

.rule--center { margin-left: auto; margin-right: auto; }

/* --------------------------------------------------------------------------
   Structure
   -------------------------------------------------------------------------- */

.container {
  width: min(var(--w-content), 100% - 3rem);
  margin-inline: auto;
}

.narrow { width: min(var(--w-text), 100% - 3rem); margin-inline: auto; }

section { padding: clamp(4.5rem, 9vw, 7.5rem) 0; }

.section-header { margin-bottom: clamp(2.5rem, 5vw, 4rem); }

.bg-paper { background: var(--paper); }
.bg-night { background: var(--night); }
.bg-night-deep { background: var(--night-deep); }

.bg-night h2, .bg-night h3, .bg-night-deep h2, .bg-night-deep h3 { color: var(--ivory); }
.bg-night p, .bg-night-deep p { color: rgba(245, 242, 234, 0.78); }
.bg-night .eyebrow, .bg-night-deep .eyebrow { color: var(--bronze-soft); }

/* --------------------------------------------------------------------------
   En-tête
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ivory);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: min(var(--w-content), 100% - 3rem);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 0;
}

.brand { display: flex; flex-direction: column; line-height: 1.2; }

.brand-name {
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--night);
}

.brand-sub {
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-top: 0.15rem;
}

.site-nav { display: flex; align-items: center; gap: 2.2rem; margin-left: auto; }

.lang-switch { display: flex; align-items: center; gap: 0.7rem; margin-left: 2rem; }

.lang-switch a {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: var(--grey-light);
  transition: color 0.25s;
}

.lang-switch a:hover { color: var(--night); }

.lang-switch a.active { color: var(--bronze); border-bottom: 1px solid var(--bronze); padding-bottom: 2px; }

.site-nav a {
  font-size: 0.83rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--ink);
  padding-bottom: 0.3rem;
  border-bottom: 1px solid transparent;
  transition: color 0.25s, border-color 0.25s;
}

.site-nav a:hover { color: var(--bronze); }

.site-nav a.active {
  color: var(--night);
  border-bottom-color: var(--bronze);
}

.site-nav a.nav-cta {
  border: 1px solid var(--night);
  padding: 0.55rem 1.4rem;
  transition: background 0.3s, color 0.3s;
}

.site-nav a.nav-cta:hover {
  background: var(--night);
  color: var(--ivory);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 24px;
  height: 1px;
  background: var(--night);
  transition: transform 0.3s, opacity 0.3s;
}

/* --------------------------------------------------------------------------
   Hero — page d'accueil
   -------------------------------------------------------------------------- */

.hero {
  background:
    linear-gradient(160deg, rgba(16, 28, 46, 0) 55%, rgba(160, 126, 75, 0.06)),
    var(--night);
  position: relative;
  overflow: hidden;
  padding: clamp(6rem, 13vw, 10.5rem) 0;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245, 242, 234, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 242, 234, 0.035) 1px, transparent 1px);
  background-size: 96px 96px;
  pointer-events: none;
}

.hero .container { position: relative; z-index: 1; }

.hero h1 { color: var(--ivory); max-width: 17ch; }

.hero .lede {
  color: rgba(245, 242, 234, 0.75);
  max-width: 62ch;
  margin-top: 2rem;
}

.hero-actions { margin-top: 3rem; display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: center; }

/* --------------------------------------------------------------------------
   Boutons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.95rem 2.3rem;
  border: 1px solid var(--bronze);
  color: var(--bronze-soft);
  background: transparent;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}

.btn:hover { background: var(--bronze); color: var(--night-deep); }

.btn--dark {
  border-color: var(--night);
  color: var(--night);
}

.btn--dark:hover { background: var(--night); color: var(--ivory); }

.link-quiet {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(245, 242, 234, 0.65);
  border-bottom: 1px solid rgba(195, 169, 126, 0.5);
  padding-bottom: 0.3rem;
  transition: color 0.25s;
}

.link-quiet:hover { color: var(--bronze-soft); }

.link-quiet--dark { color: var(--grey); border-bottom-color: var(--bronze); }
.link-quiet--dark:hover { color: var(--night); }

/* --------------------------------------------------------------------------
   Hero — pages intérieures
   -------------------------------------------------------------------------- */

.page-hero {
  background: var(--night);
  padding: clamp(4.5rem, 9vw, 7rem) 0;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(195, 169, 126, 0.18);
  border-radius: 50%;
  pointer-events: none;
}

.page-hero h1 { color: var(--ivory); max-width: 20ch; }

.page-hero .lede {
  color: rgba(245, 242, 234, 0.72);
  margin-top: 1.6rem;
  max-width: 66ch;
}

/* --------------------------------------------------------------------------
   Grilles et blocs
   -------------------------------------------------------------------------- */

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(2rem, 4vw, 4rem); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); }

.pillar {
  border-top: 1px solid var(--line);
  padding-top: 1.8rem;
}

.pillar .num {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--bronze);
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 1.1rem;
}

.pillar h3 { margin-bottom: 0.9rem; }

.pillar p { font-size: 0.98rem; color: var(--grey); }

/* Étapes de la méthode */

.step {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: 2.6rem 0;
  border-top: 1px solid var(--line);
}

.step:last-of-type { border-bottom: 1px solid var(--line); }

.step .num {
  font-family: var(--serif);
  font-size: 2rem;
  color: var(--bronze);
  line-height: 1;
}

.step h3 { margin-bottom: 0.7rem; }

.step p { color: var(--grey); }

/* Expertises */

.expertise {
  display: grid;
  grid-template-columns: minmax(200px, 340px) 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(3rem, 6vw, 4.5rem) 0;
  border-top: 1px solid var(--line);
}

.expertise:first-of-type { border-top: none; padding-top: 0; }

.expertise h2 { font-size: clamp(1.5rem, 2.4vw, 1.9rem); position: sticky; top: 110px; }

.expertise .num {
  display: block;
  font-family: var(--serif);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--bronze);
  margin-bottom: 0.9rem;
}

.expertise-body p + p { margin-top: 1.2rem; }

.expertise-body .note {
  margin-top: 1.6rem;
  padding: 1.4rem 1.6rem;
  background: var(--paper);
  border-left: 2px solid var(--bronze);
  font-size: 0.93rem;
  color: var(--grey);
}

.bg-paper .expertise-body .note { background: var(--ivory); }

/* Citations / encadrés */

.statement {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  line-height: 1.45;
  font-weight: 500;
  color: var(--night);
  max-width: 30ch;
}

.bg-night .statement, .bg-night-deep .statement { color: var(--ivory); }

/* Portrait du fondateur */
.founder-intro {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.portrait {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--night);
  border-radius: 2px;
}

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

.portrait-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 4.5rem;
  letter-spacing: 0.12em;
  color: var(--bronze-soft);
}

.founder-quote {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  line-height: 1.4;
  font-style: italic;
  color: var(--night);
}

@media (max-width: 760px) {
  .founder-intro { grid-template-columns: 1fr; }
  .portrait { max-width: 220px; }
}

/* Présence géographique */

.cities {
  display: flex;
  gap: clamp(2rem, 6vw, 5rem);
  flex-wrap: wrap;
  margin-top: 3rem;
}

.city { border-top: 1px solid var(--line-dark); padding-top: 1.4rem; min-width: 180px; }

.city .city-name {
  font-family: var(--serif);
  font-size: 1.45rem;
  color: var(--ivory);
  display: block;
  margin-bottom: 0.4rem;
}

.city p { font-size: 0.9rem; color: rgba(245, 242, 234, 0.6); }

/* --------------------------------------------------------------------------
   Bande CTA finale
   -------------------------------------------------------------------------- */

.cta-band { text-align: center; }

.cta-band h2 { max-width: 22ch; margin-inline: auto; }

.cta-band p { margin: 1.6rem auto 2.6rem; }

/* --------------------------------------------------------------------------
   Formulaire de contact
   -------------------------------------------------------------------------- */

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }

.form-field { display: flex; flex-direction: column; gap: 0.5rem; }

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

.form-field label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--grey);
}

.form-field input,
.form-field select,
.form-field textarea {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 300;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  padding: 0.7rem 0;
  outline: none;
  transition: border-color 0.25s;
  border-radius: 0;
}

.form-field textarea { resize: vertical; min-height: 120px; }

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { border-bottom-color: var(--bronze); }

.form-note { font-size: 0.82rem; color: var(--grey-light); margin-top: 1.4rem; }

.form-success {
  display: none;
  padding: 1.4rem 1.6rem;
  background: var(--paper);
  border-left: 2px solid var(--bronze);
  margin-top: 1.5rem;
  font-size: 0.95rem;
  color: var(--grey);
}

/* --------------------------------------------------------------------------
   Pages réglementaires
   -------------------------------------------------------------------------- */

.legal-content h2 {
  font-size: 1.45rem;
  margin: 3rem 0 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.legal-content h2:first-of-type { border-top: none; padding-top: 0; margin-top: 0; }

.legal-content p + p { margin-top: 1rem; }

.legal-content ul { margin: 1rem 0 1rem 1.2rem; color: var(--grey); }

.legal-content li { margin-bottom: 0.5rem; }

.placeholder { color: var(--bronze); font-style: italic; }

.notice {
  padding: 1.5rem 1.8rem;
  background: var(--paper);
  border-left: 2px solid var(--bronze);
  font-size: 0.93rem;
  color: var(--grey);
  margin: 1.5rem 0;
}

/* --------------------------------------------------------------------------
   Pied de page
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--night-deep);
  color: rgba(245, 242, 234, 0.7);
  padding: clamp(3.5rem, 7vw, 5.5rem) 0 0;
}

.footer-inner {
  width: min(var(--w-content), 100% - 3rem);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  padding-bottom: 3.5rem;
}

.footer-brand .brand-name { color: var(--ivory); font-size: 1.4rem; }

.footer-brand p {
  font-size: 0.92rem;
  margin-top: 1.1rem;
  max-width: 34ch;
  color: rgba(245, 242, 234, 0.6);
}

.footer-cities {
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.75rem !important;
  color: var(--bronze-soft) !important;
}

.footer-col h4 {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze-soft);
  margin-bottom: 1.3rem;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  padding: 0.32rem 0;
  color: rgba(245, 242, 234, 0.65);
  transition: color 0.25s;
}

.footer-col a:hover { color: var(--ivory); }

.footer-legal {
  border-top: 1px solid var(--line-dark);
  padding: 1.8rem 0;
}

.footer-legal .container {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-legal p { font-size: 0.78rem; color: rgba(245, 242, 234, 0.4); max-width: none; }

.footer-disclaimer {
  width: min(var(--w-content), 100% - 3rem);
  margin-inline: auto;
  padding-bottom: 2.2rem;
}

.footer-disclaimer p {
  font-size: 0.78rem;
  line-height: 1.65;
  color: rgba(245, 242, 234, 0.42);
  max-width: none;
}

/* --------------------------------------------------------------------------
   Animations d'apparition — discrètes
   -------------------------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .expertise { grid-template-columns: 1fr; gap: 1.2rem; }
  .expertise h2 { position: static; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .site-nav {
    position: fixed;
    inset: 0;
    top: 68px;
    background: var(--ivory);
    flex-direction: column;
    justify-content: flex-start;
    padding-top: 3rem;
    gap: 1.8rem;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.35s ease, visibility 0.35s;
  }

  .site-nav.open { transform: none; visibility: visible; }

  .site-nav a { font-size: 1.05rem; }

  .nav-toggle { display: flex; }

  .lang-switch { margin-left: auto; margin-right: 1.4rem; }

  body.nav-open { overflow: hidden; }

  .nav-toggle.open span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .nav-toggle.open span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

  .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .step { grid-template-columns: 1fr; gap: 0.8rem; }
  .footer-inner { grid-template-columns: 1fr; }
}