/* ==========================================================================
   Cabinet Lacant — feuille de style principale
   ========================================================================== */

:root {
  --navy-950: #0b1d33;
  --navy-900: #10243e;
  --navy-800: #17324f;
  --navy-700: #22456b;
  --gold-500: #b8925a;
  --gold-400: #c9a877;
  --gold-100: #f1e6d5;
  --paper: #f7f5f0;
  --paper-dark: #efece4;
  --ink: #1f2530;
  --ink-soft: #4b5563;
  --white: #ffffff;
  --border: #e3ddd0;

  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max-width: 1180px;
  --radius: 4px;
  --shadow-soft: 0 10px 30px -12px rgba(11, 29, 51, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--navy-950);
  line-height: 1.2;
  margin: 0 0 0.6em;
}

p {
  margin: 0 0 1em;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-500);
  font-weight: 600;
  margin-bottom: 14px;
}

.section {
  padding: 96px 0;
}

.section--alt {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  max-width: 640px;
  margin: 0 0 56px;
}

.section-head p {
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ---------------------------------------------------------------------- */
/* Header / Navigation                                                    */
/* ---------------------------------------------------------------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
  background: rgba(247, 245, 240, 0.98);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  line-height: 1;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--navy-950);
}

.brand-tagline {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin-top: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--navy-800);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--gold-500);
  transition: width 0.2s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn--primary {
  background: var(--navy-950);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--navy-800);
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}

.btn--gold {
  background: var(--gold-500);
  color: var(--white);
}

.btn--gold:hover {
  background: var(--gold-400);
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  border-color: var(--navy-900);
  color: var(--navy-950);
}

.btn--ghost:hover {
  background: var(--navy-950);
  color: var(--white);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy-950);
  display: block;
}

/* ---------------------------------------------------------------------- */
/* Hero                                                                    */
/* ---------------------------------------------------------------------- */

.hero {
  position: relative;
  padding: 200px 0 120px;
  background:
    radial-gradient(circle at 82% 18%, rgba(184, 146, 90, 0.16), transparent 55%),
    linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 55%, var(--navy-800) 100%);
  color: var(--white);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, transparent, rgba(0,0,0,0.7) 40%, transparent 90%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 760px;
}

.hero .eyebrow {
  color: var(--gold-400);
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2.3rem, 5vw, 3.4rem);
  margin-bottom: 0.4em;
}

.hero h1 em {
  color: var(--gold-400);
  font-style: normal;
}

.hero-lede {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.78);
  max-width: 560px;
  margin-bottom: 2.2em;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  padding-top: 32px;
  max-width: 720px;
}

.hero-fact dt {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--gold-400);
  margin-bottom: 6px;
}

.hero-fact dd {
  margin: 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.68);
  letter-spacing: 0.01em;
}

/* ---------------------------------------------------------------------- */
/* Values / About                                                         */
/* ---------------------------------------------------------------------- */

.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 72px;
  align-items: start;
}

.about-text p {
  color: var(--ink-soft);
  font-size: 1.03rem;
}

.about-text .signature {
  margin-top: 28px;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--navy-950);
}

.about-text .signature span {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-top: 4px;
}

.values-list {
  display: grid;
  gap: 22px;
}

.value-card {
  display: flex;
  gap: 18px;
  padding: 22px 24px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.value-icon {
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--navy-950);
  color: var(--gold-400);
  display: flex;
  align-items: center;
  justify-content: center;
}

.value-icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
}

.value-card h4 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.value-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

/* ---------------------------------------------------------------------- */
/* Expertise cards                                                        */
/* ---------------------------------------------------------------------- */

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.expertise-card {
  padding: 32px 28px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.expertise-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
  border-color: var(--gold-400);
}

.expertise-number {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--gold-500);
  margin-bottom: 18px;
  display: block;
}

.expertise-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.expertise-card p {
  color: var(--ink-soft);
  font-size: 0.93rem;
  margin: 0;
}

/* ---------------------------------------------------------------------- */
/* Methodology                                                            */
/* ---------------------------------------------------------------------- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  counter-reset: step;
  position: relative;
}

.step {
  position: relative;
  padding: 0 24px 0 0;
}

.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 22px;
  right: -13px;
  width: 26px;
  height: 1px;
  background: var(--border);
}

.step-index {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  color: var(--gold-500);
  margin-bottom: 14px;
}

.step h4 {
  font-size: 1.02rem;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------------------------------------------------------------------- */
/* Contact                                                                 */
/* ---------------------------------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
}

.contact-info {
  display: grid;
  gap: 24px;
  align-content: start;
}

.contact-item {
  display: flex;
  gap: 16px;
}

.contact-item .value-icon {
  background: var(--gold-500);
  color: var(--navy-950);
}

.contact-item h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-bottom: 4px;
}

.contact-item p {
  margin: 0;
  font-size: 1rem;
  color: var(--navy-950);
  font-weight: 500;
}

.placeholder-note {
  font-size: 0.78rem;
  color: var(--gold-500);
  font-style: italic;
}

.contact-form {
  display: grid;
  gap: 18px;
  background: var(--white);
  padding: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--navy-900);
}

.field input,
.field textarea {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper);
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--gold-500);
  background: var(--white);
}

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

.form-note {
  font-size: 0.78rem;
  color: var(--ink-soft);
}

/* ---------------------------------------------------------------------- */
/* Footer                                                                  */
/* ---------------------------------------------------------------------- */

.site-footer {
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.72);
  padding: 56px 0 28px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand .brand-name {
  color: var(--white);
}

.footer-links {
  display: flex;
  gap: 28px;
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.88rem;
}

.footer-links a:hover {
  color: var(--gold-400);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: 0.8rem;
}

/* ---------------------------------------------------------------------- */
/* Legal page                                                             */
/* ---------------------------------------------------------------------- */

.legal {
  padding: 160px 0 100px;
  max-width: 820px;
  margin: 0 auto;
}

.legal h2 {
  margin-top: 2em;
  font-size: 1.3rem;
}

.legal p, .legal li {
  color: var(--ink-soft);
}

.legal .placeholder-note {
  display: block;
  margin-top: 4px;
}

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

@media (max-width: 960px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .expertise-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 36px;
  }

  .step:not(:last-child)::after {
    display: none;
  }

  .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .nav-links,
  .nav-cta .btn--ghost {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav.is-open .nav-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    padding: 24px 28px 32px;
    border-bottom: 1px solid var(--border);
  }

  .hero {
    padding: 150px 0 90px;
  }

  .hero-facts {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 72px 0;
  }
}