/* =========================================================
   LE LABO — Centre de Recherche en Économie
   Design tokens
   Navy   : autorité, rigueur académique
   Or     : valeur, croissance, distinction (repris du logo)
   Fraunces (display) + Inter (texte) + IBM Plex Mono (données)
   ========================================================= */

:root {
  /* Couleurs */
  --navy-950: #081221;
  --navy-900: #0f1f3d;
  --navy-800: #16294c;
  --navy-700: #1c3a63;
  --navy-100: #e7ebf3;

  --gold-600: #b8863d;
  --gold-500: #c9974a;
  --gold-400: #d9ad6c;
  --gold-200: #f0dfc0;
  --gold-100: #f7ecd8;

  --cream-50: #faf8f4;
  --cream-100: #f3efe6;

  --ink-900: #1a2130;
  --ink-600: #5b6472;
  --ink-400: #8b93a1;

  --white: #ffffff;

  /* Typo */
  --font-display: "Fraunces", "Iowan Old Style", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  /* Radii / shadows */
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-soft: 0 20px 60px -20px rgba(15, 31, 61, 0.25);
  --shadow-card: 0 10px 30px -12px rgba(15, 31, 61, 0.18);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* =========================================================
   Reset / base
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--cream-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy-900);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
}

p { margin: 0; }

ul { margin: 0; padding: 0; list-style: none; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy-900);
  color: var(--white);
  padding: 12px 20px;
  z-index: 2000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 3px solid var(--gold-500);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--gold-600);
  margin-bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1.5px;
  background: var(--gold-500);
  display: inline-block;
}
.eyebrow-light { color: var(--gold-400); }

.section { padding: 108px 0; position: relative; }
@media (max-width: 767.98px) { .section { padding: 72px 0; } }

.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head.text-lg-start { margin: 0 0 40px; }
.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 16px; }
.section-sub { color: var(--ink-600); font-size: 1.05rem; }
.section-head-light h2 { color: var(--white); }
.section-head-light .section-sub { color: rgba(255,255,255,0.72); }

/* =========================================================
   Reveal on scroll
   ========================================================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  border-radius: 999px;
  font-weight: 600;
  padding: 0.75rem 1.6rem;
  font-size: 0.95rem;
  transition: all 0.3s var(--ease);
  border: none;
}

.btn-primary-gold {
  background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
  color: var(--white);
  box-shadow: 0 12px 30px -10px rgba(184, 134, 61, 0.55);
}
.btn-primary-gold:hover, .btn-primary-gold:focus {
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -10px rgba(184, 134, 61, 0.65);
}
.btn-primary-gold i { margin-left: 6px; }

.btn-outline-navy {
  background: transparent;
  color: var(--navy-900);
  border: 1.5px solid var(--navy-900);
}
.btn-outline-navy:hover {
  background: var(--navy-900);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-nav-cta {
  background: var(--navy-900);
  color: var(--white);
  padding: 0.55rem 1.3rem;
  font-size: 0.88rem;
  border-radius: 999px;
}
.btn-nav-cta:hover { background: var(--gold-600); color: var(--white); }

/* =========================================================
   Header
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250, 248, 244, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(15, 31, 61, 0.08);
  transition: box-shadow 0.3s var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 8px 24px -18px rgba(15,31,61,0.4); }

.navbar { padding: 14px 0; }

.nav-link {
  color: var(--navy-900);
  font-weight: 500;
  font-size: 0.94rem;
  padding: 0.5rem 0.85rem !important;
  position: relative;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 0.3rem;
  height: 2px;
  background: var(--gold-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav-link:hover::after { transform: scaleX(1); }

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  padding: 96px 0 120px;
  overflow: hidden;
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(184,134,61,0.10), transparent 60%),
    var(--cream-50);
}

.hero-growth-line {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
  pointer-events: none;
}
.hero-growth-line svg { width: 100%; height: 100%; }
.growth-path {
  fill: none;
  stroke: var(--gold-400);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  animation: draw-line 2.6s var(--ease) 0.3s forwards;
}
.growth-arrow {
  fill: none;
  stroke: var(--gold-500);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 120;
  stroke-dashoffset: 120;
  animation: draw-line 0.6s var(--ease) 2.6s forwards;
}
.growth-dot {
  fill: var(--gold-500);
  opacity: 0;
  animation: fade-in 0.4s var(--ease) forwards;
}
.growth-dot:nth-of-type(1) { animation-delay: 1.1s; }
.growth-dot:nth-of-type(2) { animation-delay: 1.7s; }
.growth-dot:nth-of-type(3) { animation-delay: 2.3s; }

@keyframes draw-line { to { stroke-dashoffset: 0; } }
@keyframes fade-in { to { opacity: 1; } }

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

.hero h1 {
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  margin-bottom: 22px;
}

.hero-lead {
  font-size: 1.12rem;
  color: var(--ink-600);
  max-width: 540px;
  margin-bottom: 34px;
}

.hero-cta { margin-bottom: 34px; }

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--ink-600);
  font-weight: 500;
}
.hero-trust i { color: var(--gold-600); margin-right: 6px; }

.hero-media { position: relative; }
.hero-img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  width: 100%;
  aspect-ratio: 4/3.4;
  object-fit: cover;
}
.hero-media-card {
  position: absolute;
  left: -18px;
  bottom: -28px;
  background: var(--navy-900);
  color: var(--white);
  padding: 20px 22px;
  border-radius: var(--radius-md);
  max-width: 260px;
  box-shadow: var(--shadow-soft);
}
.hero-media-figure {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 600;
  color: var(--gold-400);
}
.hero-media-label {
  display: block;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.75);
  margin-top: 6px;
  line-height: 1.4;
}
@media (max-width: 991.98px) {
  .hero-media-card { left: 12px; right: 12px; bottom: -24px; max-width: none; }
}

.hero-scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  color: var(--gold-600);
  font-size: 1.3rem;
  animation: bob 2.2s ease-in-out infinite;
  z-index: 1;
}
@keyframes bob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* =========================================================
   À propos — intro, valeurs, équipe
   ========================================================= */
.section-about { background: var(--white); }

.about-intro { margin-bottom: 88px; }
.about-intro h2 { font-size: clamp(1.7rem, 2.8vw, 2.2rem); margin-bottom: 20px; }
.about-intro .eyebrow { justify-content: flex-start; }

.about-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.about-media img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.about-values, .about-team { margin-bottom: 88px; }
.about-team { margin-bottom: 0; }
.about-values .eyebrow, .about-team .eyebrow { justify-content: center; }
.about-values-title, .about-team-title {
  text-align: center;
  font-size: clamp(1.4rem, 2.2vw, 1.7rem);
  max-width: 620px;
  margin: 0 auto;
}

.value-card {
  background: var(--cream-100);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  height: 100%;
  text-align: center;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }
.value-icon {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--gold-400);
  font-size: 1.3rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px;
}
.value-card h4 { font-size: 1.05rem; margin-bottom: 10px; }
.value-card p { color: var(--ink-600); font-size: 0.92rem; }

.team-card { text-align: center; }
.team-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
  position: relative;
}
.team-photo::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(8,18,33,0.35) 0%, transparent 45%);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.team-card:hover .team-photo::after { opacity: 1; }
.team-photo img {
  width: 100%;
  aspect-ratio: 4/4.5;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.team-card:hover .team-photo img { transform: scale(1.06); }
.team-card h4 { font-size: 1rem; margin-bottom: 4px; }
.team-role { display: block; font-size: 0.8rem; color: var(--ink-600); }

/* =========================================================
   Pourquoi nous / Why cards
   ========================================================= */
.why-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  height: 100%;
  box-shadow: var(--shadow-card);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
  border: 1px solid rgba(15,31,61,0.05);
}
.why-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 50px -18px rgba(15,31,61,0.28);
}
.why-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--gold-200), var(--gold-100));
  color: var(--gold-600);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.why-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.why-card p { color: var(--ink-600); font-size: 0.96rem; }

.key-figures {
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: var(--navy-900);
  border-radius: var(--radius-lg);
  padding: 44px 30px;
  position: relative;
  overflow: hidden;
}
.key-figures::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(500px 300px at 90% 0%, rgba(184,134,61,0.25), transparent 70%);
}
.key-figure {
  text-align: center;
  color: var(--white);
  position: relative;
}
.kf-number, .kf-suffix {
  font-family: var(--font-mono);
  font-size: 2.1rem;
  font-weight: 600;
  color: var(--gold-400);
}
.kf-label {
  display: block;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  margin-top: 6px;
}
@media (max-width: 767.98px) {
  .key-figures { grid-template-columns: repeat(2, 1fr); }
}

/* =========================================================
   Services
   ========================================================= */
.section-services { background: var(--cream-100); }

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  box-shadow: var(--shadow-card);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 24px 50px -18px rgba(15,31,61,0.28); }
.service-media { height: 190px; overflow: hidden; }
.service-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.service-card:hover .service-media img { transform: scale(1.08); }
.service-body { padding: 28px; }
.service-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--navy-900);
  color: var(--gold-400);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
  margin-top: -54px;
  position: relative;
  z-index: 1;
  box-shadow: 0 8px 20px -6px rgba(15,31,61,0.4);
}
.service-body h3 { font-size: 1.2rem; margin-bottom: 10px; }
.service-body p { color: var(--ink-600); font-size: 0.95rem; margin-bottom: 16px; }
.service-link {
  font-weight: 600;
  color: var(--gold-600);
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.service-link i { transition: transform 0.25s var(--ease); }
.service-card:hover .service-link i { transform: translate(3px, -3px); }

/* =========================================================
   Process / méthode
   ========================================================= */
.process-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}
.process-track::before {
  content: "";
  position: absolute;
  top: 26px;
  left: 6%;
  right: 6%;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--gold-400) 0 8px, transparent 8px 16px);
}
.process-step { position: relative; }
.process-number {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--white);
  background: var(--navy-900);
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  position: relative;
  z-index: 1;
  border: 4px solid var(--cream-50);
}
.process-step h3 { font-size: 1.1rem; margin-bottom: 10px; }
.process-step p { color: var(--ink-600); font-size: 0.93rem; }

@media (max-width: 767.98px) {
  .process-track { grid-template-columns: 1fr; gap: 34px; }
  .process-track::before { display: none; }
}

/* =========================================================
   Portfolio
   ========================================================= */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 991.98px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575.98px) { .portfolio-grid { grid-template-columns: 1fr; } }

.portfolio-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: block;
  aspect-ratio: 3/4;
}
.portfolio-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.portfolio-item:hover img { transform: scale(1.1); }
.portfolio-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(8,18,33,0.92) 0%, rgba(8,18,33,0.25) 55%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
  color: var(--white);
}
.portfolio-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold-400);
  margin-bottom: 8px;
}
.portfolio-overlay h3 { color: var(--white); font-size: 1.05rem; margin-bottom: 12px; }
.portfolio-cta {
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0;
  transform: translateY(6px);
  transition: all 0.3s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.portfolio-item:hover .portfolio-cta { opacity: 1; transform: translateY(0); }

/* =========================================================
   Témoignages
   ========================================================= */
.rating-summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 10px;
  font-size: 0.95rem;
}
.rating-stars { color: var(--gold-500); letter-spacing: 2px; }
.rating-value { font-weight: 700; color: var(--navy-900); font-family: var(--font-mono); }
.rating-count { color: var(--ink-600); }

.testimonial-carousel { max-width: 780px; margin: 0 auto 50px; }
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  box-shadow: var(--shadow-card);
}
.testimonial-quote { font-size: 2rem; color: var(--gold-400); margin-bottom: 14px; display: inline-block; }
.testimonial-card p { font-size: 1.15rem; color: var(--navy-900); font-family: var(--font-display); line-height: 1.5; margin-bottom: 26px; }
.testimonial-author strong { display: block; color: var(--navy-900); }
.testimonial-author span { font-size: 0.85rem; color: var(--ink-600); }

.carousel-control-prev, .carousel-control-next { width: auto; opacity: 1; }
.carousel-nav-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--white);
  color: var(--navy-900);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-card);
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}
.carousel-control-prev { left: -10px; }
.carousel-control-next { right: -10px; }
.carousel-nav-icon:hover { background: var(--navy-900); color: var(--white); }
@media (max-width: 575.98px) {
  .testimonial-card { padding: 32px 22px; }
  .carousel-control-prev, .carousel-control-next { display: none; }
}

.client-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 36px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--ink-400);
  letter-spacing: 0.02em;
  padding-top: 20px;
  border-top: 1px solid rgba(15,31,61,0.08);
}

/* =========================================================
   Stats
   ========================================================= */
.section-stats {
  background: var(--navy-900);
  overflow: hidden;
}
.stats-globe {
  position: absolute;
  top: 0; right: -8%;
  width: 620px; height: 620px;
  border-radius: 50%;
  background-image: radial-gradient(rgba(217,173,108,0.55) 1.4px, transparent 1.4px);
  background-size: 13px 13px;
  -webkit-mask-image: radial-gradient(circle, black 55%, transparent 78%);
  mask-image: radial-gradient(circle, black 55%, transparent 78%);
  opacity: 0.4;
}
.stat-block { position: relative; }
.stat-number, .stat-suffix {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--gold-400);
}
.stat-label {
  display: block;
  color: rgba(255,255,255,0.72);
  font-size: 0.92rem;
  margin-top: 8px;
}

/* =========================================================
   FAQ
   ========================================================= */
.accordion-item {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(15,31,61,0.12);
}
.accordion-item:first-of-type, .accordion-item:last-of-type { border-radius: 0; }
.accordion-button {
  background: transparent;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.08rem;
  color: var(--navy-900);
  padding: 22px 4px;
  box-shadow: none !important;
}
.accordion-button:not(.collapsed) { color: var(--gold-600); background: transparent; }
.accordion-button::after { filter: sepia(1) saturate(2) hue-rotate(-10deg); }
.accordion-body { padding: 0 4px 26px; color: var(--ink-600); font-size: 0.98rem; }

/* =========================================================
   CTA / Contact
   ========================================================= */
.section-cta {
  background: var(--navy-900);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.section-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(700px 400px at 0% 100%, rgba(184,134,61,0.18), transparent 70%);
}
.section-cta .container { position: relative; }
.cta-title { color: var(--white); font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom: 18px; }
.cta-sub { color: rgba(255,255,255,0.72); margin-bottom: 26px; }
.cta-points { margin-bottom: 30px; }
.cta-points li { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: 0.96rem; }
.cta-points i { color: var(--gold-400); }
.cta-contact-info { display: flex; flex-direction: column; gap: 10px; }
.cta-contact-info a { font-weight: 600; display: inline-flex; align-items: center; gap: 8px; color: var(--gold-400); }

.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-soft);
}
.form-label { color: var(--navy-900); font-weight: 600; font-size: 0.88rem; margin-bottom: 6px; }
.form-control, .form-select {
  border: 1.5px solid var(--navy-100);
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  font-size: 0.95rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--gold-500);
  box-shadow: 0 0 0 3px rgba(184,134,61,0.16);
}
.form-success {
  display: none;
  margin-top: 14px;
  color: #2f7a4d;
  background: #eaf7ef;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
}
.form-success.is-shown { display: block; }
.was-validated .form-control:invalid, .was-validated .form-select:invalid { border-color: #d9534f; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: var(--navy-950);
  color: rgba(255,255,255,0.72);
  padding: 72px 0 30px;
  font-size: 0.92rem;
}
.footer-logo { filter: brightness(0) invert(1); margin-bottom: 16px; }
.footer-tagline {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--gold-400);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.25s var(--ease);
}
.footer-social a:hover { background: var(--gold-500); border-color: var(--gold-500); color: var(--navy-950); }

.site-footer h4 {
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 18px;
}
.site-footer ul li { margin-bottom: 10px; }
.site-footer a:hover { color: var(--gold-400); }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; }
.footer-contact i { color: var(--gold-400); margin-top: 3px; }

.site-footer hr { border-color: rgba(255,255,255,0.12); margin: 40px 0 24px; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  font-size: 0.82rem;
}
.footer-legal { display: flex; gap: 22px; }

/* =========================================================
   Back to top
   ========================================================= */
.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--gold-600);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-card);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s var(--ease);
  z-index: 900;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--navy-900); }