/* Portfolio For U — réf. client Q3F8K1 */
:root {
  --pfu-ref: "Q3F8K1";

  --bg: #f6f3ee;
  --bg-alt: #eeeae1;
  --ink: #1c1a17;
  --ink-soft: #58524a;
  --accent: #b5573a;
  --accent-soft: #d99a80;
  --line: #e0dace;
  --surface: #ffffff;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Work Sans", -apple-system, "Segoe UI", sans-serif;

  --max-width: 1280px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 16px;
  color: var(--ink);
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 400; }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 16px; color: var(--ink-soft); }

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

.section-label {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 12px;
}

.center { text-align: center; }
.section-label.center { display: block; }

section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 100px 32px;
}

/* ---------- Nav ---------- */
.nav-toggle { display: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 243, 238, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--ink);
  font-weight: 500;
}

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

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 500;
}

.main-nav a:hover { color: var(--accent); }

.nav-cta {
  background: var(--ink);
  color: #fff !important;
  padding: 9px 18px;
  border-radius: 999px;
}

.nav-cta:hover { background: var(--accent); }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 60;
}

.burger span {
  width: 24px;
  height: 2px;
  background: var(--ink);
  display: block;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding-top: 80px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 18px;
}

.hero-text { font-size: 1.1rem; max-width: 46ch; }

.hero-actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-primary { background: var(--accent); color: #fff !important; }
.btn-primary:hover { background: #99462e; }

.btn-ghost {
  border: 1px solid var(--ink);
  color: var(--ink) !important;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent) !important; }

.hero-visual {
  position: relative;
  height: 420px;
}

.tile {
  position: absolute;
  border-radius: 18px;
}

.tile-a {
  width: 68%;
  height: 78%;
  top: 0;
  right: 0;
  background: linear-gradient(160deg, var(--accent) 0%, #7c3a24 100%);
}

.tile-b {
  width: 46%;
  height: 44%;
  bottom: 0;
  left: 0;
  background: linear-gradient(160deg, #e7ddcd 0%, var(--accent-soft) 100%);
}

.tile-c {
  width: 30%;
  height: 30%;
  bottom: 8%;
  right: 12%;
  background: var(--ink);
}

/* ---------- Univers ---------- */
.univers {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 64px;
  align-items: start;
}

.univers-stats {
  display: flex;
  flex-direction: column;
  gap: 24px;
  border-left: 1px solid var(--line);
  padding-left: 32px;
}

.stat { display: flex; flex-direction: column; }

.stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--accent);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

/* ---------- Prestations ---------- */
.prestations { background: var(--bg-alt); max-width: none; }
.prestations > * { max-width: var(--max-width); margin-left: auto; margin-right: auto; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px 28px;
}

.service-num {
  font-family: var(--font-display);
  color: var(--accent-soft);
  font-size: 1.6rem;
}

/* ---------- Portfolio ---------- */
.portfolio-note {
  color: var(--ink-soft);
  font-size: 0.85rem;
  font-style: italic;
  max-width: 50ch;
  margin: 0 auto 40px;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.portfolio-item {
  margin: 0;
  aspect-ratio: 4 / 5;
  border-radius: 14px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
}

.portfolio-item::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  mix-blend-mode: multiply;
}

.portfolio-item img.photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.portfolio-item figcaption {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.6) 40%, transparent 100%);
}

.portfolio-item .tag {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.68rem;
  font-weight: 600;
  color: #fff;
  opacity: 0.85;
}

.portfolio-item .title {
  font-family: var(--font-display);
  color: #fff;
  font-size: 1.05rem;
}

.portfolio-item .desc {
  color: rgba(255,255,255,0.88);
  font-size: 0.82rem;
  line-height: 1.4;
  margin-top: 2px;
}

.portfolio-item .meta {
  color: rgba(255,255,255,0.62);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  margin-top: 4px;
}

.item-1::before { background: linear-gradient(150deg, rgba(193,122,92,0.38), rgba(109,58,38,0.5)); }
.item-2::before { background: linear-gradient(150deg, rgba(138,143,122,0.38), rgba(63,69,54,0.5)); }
.item-3::before { background: linear-gradient(150deg, rgba(181,87,58,0.38), rgba(44,38,34,0.55)); }
.item-4::before { background: linear-gradient(150deg, rgba(217,199,173,0.3), rgba(138,95,67,0.45)); }
.item-5::before { background: linear-gradient(150deg, rgba(109,101,90,0.38), rgba(36,31,26,0.55)); }
.item-6::before { background: linear-gradient(150deg, rgba(168,106,78,0.38), rgba(90,50,32,0.5)); }

/* ---------- Quote ---------- */
.quote { text-align: center; padding-top: 40px; padding-bottom: 40px; }

.quote blockquote {
  margin: 0 auto;
  max-width: 720px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--ink);
  line-height: 1.5;
}

.quote cite {
  display: block;
  margin-top: 20px;
  font-family: var(--font-body);
  font-style: normal;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ---------- Contact ---------- */
.contact { background: var(--ink); max-width: none; }

.contact-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.contact h2, .contact .section-label { color: #fff; }
.contact p { color: #cfc8bd; }

.contact-actions { margin-top: 24px; }

.socials {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 32px;
}

.socials a { color: #cfc8bd; font-size: 0.9rem; }
.socials a:hover { color: var(--accent-soft); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: #a89f92;
  text-align: center;
  padding: 24px 32px 40px;
  font-size: 0.82rem;
  border-top: 1px solid #33302a;
}

.demo-mention a { color: var(--accent-soft); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .main-nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: 78%;
    max-width: 320px;
    height: 100vh;
    background: var(--surface);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 28px;
    padding: 40px;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    box-shadow: -8px 0 24px rgba(0,0,0,0.08);
  }

  .burger { display: flex; }

  .nav-toggle:checked ~ .site-header .main-nav {
    transform: translateX(0);
  }

  .nav-toggle:checked ~ .site-header .burger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle:checked ~ .site-header .burger span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle:checked ~ .site-header .burger span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero { grid-template-columns: 1fr; padding-top: 48px; }
  .hero-visual { height: 260px; order: -1; }

  .univers { grid-template-columns: 1fr; }
  .univers-stats {
    border-left: none;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 24px;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .stat { min-width: 140px; }

  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }

  section { padding: 64px 24px; }
}

@media (max-width: 520px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}