/* =========================================================================
   DADSON PRODUCTION — Design system
   Direction : cinéma éditorial. Ink profond, bone chaud, laiton discret.
   Display : Fraunces (caractère) · Body : Instrument Sans · Mono : JetBrains Mono
   ========================================================================= */

:root {
  /* Palette */
  --ink:        #0B0B0D;
  --ink-2:      #121317;
  --ink-3:      #17181D;
  --bone:       #F3EEE6;
  --bone-dim:   #A7A49B;
  --bone-mute:  #6E6C66;
  --brass:      #C9A96A;
  --brass-deep: #A8874A;
  --line:       rgba(243, 238, 230, 0.10);
  --line-2:     rgba(243, 238, 230, 0.16);

  /* Type */
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --body:    "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Rythme */
  --page:    1240px;
  --gutter:  clamp(20px, 5vw, 64px);
  --radius:  2px;
}

/* ------------------------------------------------------------------ Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

::selection { background: var(--brass); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
  border-radius: var(--radius);
}

/* --------------------------------------------------------------- Structure */
.wrap { max-width: var(--page); margin-inline: auto; padding-inline: var(--gutter); }

section { position: relative; }
.section-pad { padding-block: clamp(72px, 11vw, 160px); }
.rule { height: 1px; background: var(--line); border: 0; }

/* ---------------------------------------------------------------- Eyebrow */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--brass-deep);
  display: inline-block;
}
.eyebrow.center { justify-content: center; }

/* --------------------------------------------------------------- Typography */
h1, h2, h3, h4 { font-family: var(--display); font-weight: 340; line-height: 1.04; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.7rem, 7vw, 5.4rem); }
h2 { font-size: clamp(2rem, 4.6vw, 3.6rem); }
h3 { font-size: clamp(1.3rem, 2.4vw, 1.9rem); }
.em { font-style: italic; color: var(--brass); font-weight: 300; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.28rem); color: var(--bone-dim); line-height: 1.6; max-width: 60ch; }
p { max-width: 68ch; }
.muted { color: var(--bone-dim); }

/* --------------------------------------------------------------- Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 13px; letter-spacing: 0.10em; text-transform: uppercase;
  padding: 15px 26px;
  border-radius: var(--radius);
  transition: transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  will-change: transform;
}
.btn-primary { background: var(--brass); color: var(--ink); font-weight: 600; }
.btn-primary:hover { background: var(--bone); transform: translateY(-2px); }
.btn-ghost { border: 1px solid var(--line-2); color: var(--bone); }
.btn-ghost:hover { border-color: var(--brass); color: var(--brass); transform: translateY(-2px); }
.btn .arw { transition: transform .25s ease; }
.btn:hover .arw { transform: translate(3px, -3px); }

/* --------------------------------------------------------------- Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--ink) 82%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand {
  font-family: var(--mono);
  font-size: 14px; letter-spacing: 0.16em; font-weight: 700;
}
.brand .dot { color: var(--brass); }
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a {
  font-family: var(--mono);
  font-size: 12.5px; letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--bone-dim);
  position: relative; padding-block: 6px;
  transition: color .2s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--bone); }
.nav-links a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: var(--brass);
}
.nav-cta { margin-left: 8px; }
.nav-toggle { display: none; background: none; border: 0; color: var(--bone); font-family: var(--mono); font-size: 12px; letter-spacing: .12em; }

@media (max-width: 860px) {
  .nav-links {
    position: fixed; inset: 68px 0 auto 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--ink-2); border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 24px;
    transform: translateY(-120%); transition: transform .35s ease;
    height: auto;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 16px 0; font-size: 15px; width: 100%; border-bottom: 1px solid var(--line); }
  .nav-links .nav-cta { margin: 16px 0 0; }
  .nav-toggle { display: inline-block; }
}

/* --------------------------------------------------------------- Hero */
.hero { position: relative; min-height: 92vh; display: flex; align-items: flex-end; overflow: hidden; }
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.92) contrast(1.02); }
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(to top, var(--ink) 4%, rgba(11,11,13,.55) 42%, rgba(11,11,13,.25) 100%),
    linear-gradient(to right, rgba(11,11,13,.7) 0%, rgba(11,11,13,.1) 55%);
}
.hero-inner { position: relative; z-index: 2; padding-bottom: clamp(48px, 8vw, 96px); width: 100%; }
.hero h1 { max-width: 16ch; margin: 18px 0 22px; }
.hero .lead { color: var(--bone); opacity: .9; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }

.hud {
  position: absolute; top: 22px; left: var(--gutter); right: var(--gutter); z-index: 2;
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 11px; letter-spacing: .16em; color: var(--bone-dim);
}
.hud .rec { color: var(--brass); display: inline-flex; align-items: center; gap: 8px; }
.hud .rec::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--brass); animation: blink 1.6s infinite; }
@keyframes blink { 0%, 60% { opacity: 1; } 80%, 100% { opacity: .15; } }

/* --------------------------------------------------------------- Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat { padding: 40px var(--gutter); border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat .n { font-family: var(--display); font-size: clamp(2.2rem, 4vw, 3.2rem); line-height: 1; }
.stat .n .u { color: var(--brass); }
.stat .l { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--bone-dim); margin-top: 12px; }
@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .stat:nth-child(odd) { border-left: 0; }
}

/* --------------------------------------------------------------- Section head */
.sec-head { display: grid; grid-template-columns: 1fr; gap: 18px; margin-bottom: clamp(40px, 6vw, 72px); max-width: 760px; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head.center .eyebrow { justify-content: center; }

/* --------------------------------------------------------------- Portfolio grid */
.pf-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; }
.pf-item {
  position: relative; overflow: hidden; border-radius: var(--radius);
  background: var(--ink-2); border: 1px solid var(--line);
  aspect-ratio: 3/4;
}
.pf-item.wide { aspect-ratio: 16/10; }
.pf-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.7,.2,1); }
.pf-item:hover img { transform: scale(1.05); }
.pf-item .meta {
  position: absolute; inset: auto 0 0 0; padding: 18px;
  background: linear-gradient(to top, rgba(11,11,13,.9), transparent);
  display: flex; justify-content: space-between; align-items: flex-end;
  transform: translateY(8px); opacity: 0; transition: .35s ease;
}
.pf-item:hover .meta { transform: translateY(0); opacity: 1; }
.pf-item .cat { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--brass); }
.pf-item .frame { font-family: var(--mono); font-size: 11px; color: var(--bone-dim); }
/* Emplacement image à fournir */
.pf-item.slot { display: flex; align-items: center; justify-content: center; }
.pf-item.slot span { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; color: var(--bone-mute); }
.col-6 { grid-column: span 6; } .col-4 { grid-column: span 4; } .col-3 { grid-column: span 3; } .col-8 { grid-column: span 8; } .col-12 { grid-column: span 12; }
@media (max-width: 860px) { .pf-grid > * { grid-column: span 6 !important; } .pf-item.wide { aspect-ratio: 3/4; } }
@media (max-width: 520px) { .pf-grid > * { grid-column: span 12 !important; } }

/* --------------------------------------------------------------- Filters */
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.filter {
  font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  padding: 9px 16px; border: 1px solid var(--line-2); border-radius: 40px; color: var(--bone-dim);
  background: none; transition: .2s ease;
}
.filter:hover { color: var(--bone); border-color: var(--line-2); }
.filter.active { background: var(--brass); color: var(--ink); border-color: var(--brass); font-weight: 600; }

/* --------------------------------------------------------------- Split / feature */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.split.rev .split-media { order: 2; }
.split-media { position: relative; aspect-ratio: 4/5; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--line); }
.split-media img { width: 100%; height: 100%; object-fit: cover; }
.split-tag { position: absolute; left: 16px; bottom: 16px; font-family: var(--mono); font-size: 11px; letter-spacing: .14em; color: var(--bone); background: rgba(11,11,13,.6); padding: 7px 12px; border-radius: var(--radius); backdrop-filter: blur(6px); }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } .split.rev .split-media { order: 0; } }

/* --------------------------------------------------------------- Value cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.card { background: var(--ink); padding: clamp(28px, 3vw, 44px); }
.card .idx { font-family: var(--mono); font-size: 12px; color: var(--brass); letter-spacing: .1em; }
.card h3 { margin: 18px 0 12px; }
.card p { color: var(--bone-dim); font-size: 15.5px; }
@media (max-width: 820px) { .cards { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------- Offers */
.offers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.offer {
  border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(26px, 3vw, 38px);
  display: flex; flex-direction: column; background: var(--ink-2);
}
.offer.feat { border-color: var(--brass-deep); background: linear-gradient(180deg, rgba(201,169,106,.06), transparent); position: relative; }
.offer .badge { position: absolute; top: -12px; left: 26px; background: var(--brass); color: var(--ink); font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; padding: 5px 12px; border-radius: 40px; }
.offer .tier { font-family: var(--mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--bone-dim); }
.offer h3 { margin: 14px 0 10px; font-size: 1.4rem; }
.offer .desc { color: var(--bone-dim); font-size: 15px; min-height: 48px; }
.offer .price { font-family: var(--display); font-size: 2.4rem; margin: 22px 0 4px; }
.offer .price small { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; color: var(--bone-dim); display: block; text-transform: uppercase; margin-top: 6px; }
.offer ul { list-style: none; margin: 24px 0 28px; display: flex; flex-direction: column; gap: 12px; }
.offer li { font-size: 15px; color: var(--bone-dim); padding-left: 26px; position: relative; }
.offer li::before { content: ""; position: absolute; left: 0; top: 9px; width: 12px; height: 1px; background: var(--brass); }
.offer .btn { margin-top: auto; justify-content: center; }
@media (max-width: 860px) { .offers { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------- Process */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.step { background: var(--ink); padding: 34px var(--gutter) 40px; }
.step .idx { font-family: var(--mono); font-size: 12px; color: var(--brass); }
.step h3 { font-size: 1.15rem; margin: 20px 0 10px; }
.step p { color: var(--bone-dim); font-size: 14px; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------- Testimonials */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.quote { border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; background: var(--ink-2); display: flex; flex-direction: column; }
.quote .stars { color: var(--brass); letter-spacing: 3px; font-size: 13px; }
.quote blockquote { font-family: var(--display); font-size: 1.18rem; line-height: 1.45; font-weight: 300; margin: 20px 0 26px; }
.quote .who { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.quote .av { width: 42px; height: 42px; border-radius: 50%; background: var(--ink-3); border: 1px solid var(--line-2); overflow: hidden; flex: none; }
.quote .who b { font-weight: 600; font-size: 14.5px; display: block; }
.quote .who span { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--bone-dim); text-transform: uppercase; }
@media (max-width: 860px) { .quotes { grid-template-columns: 1fr; } }

/* Logos strip */
.logos { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: clamp(28px, 5vw, 64px); opacity: .7; }
.logos span { font-family: var(--display); font-size: 1.3rem; color: var(--bone-dim); letter-spacing: .02em; }

/* --------------------------------------------------------------- FAQ */
.faq { max-width: 820px; margin-inline: auto; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 26px 40px 26px 0; position: relative; font-family: var(--display); font-size: clamp(1.1rem, 2vw, 1.35rem); font-weight: 340; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 24px; font-family: var(--mono); color: var(--brass); font-size: 1.4rem; transition: transform .3s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .a { color: var(--bone-dim); padding: 0 40px 28px 0; font-size: 15.5px; }

/* --------------------------------------------------------------- CTA band */
.cta-band { text-align: center; }
.cta-band h2 { max-width: 18ch; margin: 22px auto 34px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* --------------------------------------------------------------- Contact / form */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(36px, 6vw, 80px); }
.reassure { list-style: none; display: flex; flex-direction: column; gap: 22px; margin-top: 34px; }
.reassure li { padding-left: 28px; position: relative; }
.reassure li::before { content: "→"; position: absolute; left: 0; color: var(--brass); font-family: var(--mono); }
.reassure b { display: block; font-weight: 600; }
.reassure span { color: var(--bone-dim); font-size: 14.5px; }

form { display: grid; gap: 20px; }
.field { display: grid; gap: 8px; }
.field label { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--bone-dim); }
.field input, .field select, .field textarea {
  background: var(--ink-2); border: 1px solid var(--line-2); color: var(--bone);
  padding: 14px 16px; border-radius: var(--radius); font-family: var(--body); font-size: 15px;
  transition: border-color .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brass); }
.field textarea { min-height: 130px; resize: vertical; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; color: var(--bone-mute); text-transform: uppercase; text-align: center; }
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } .row-2 { grid-template-columns: 1fr; } }

/* --------------------------------------------------------------- Footer */
.site-footer { border-top: 1px solid var(--line); padding-block: clamp(56px, 7vw, 88px) 40px; }
.foot-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; }
.foot-brand .brand { font-size: 16px; }
.foot-brand p { color: var(--bone-dim); font-size: 14.5px; margin-top: 16px; max-width: 34ch; }
.foot-col h4 { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--bone-dim); font-weight: 400; margin-bottom: 18px; }
.foot-col a { display: block; font-size: 14.5px; color: var(--bone); margin-bottom: 12px; transition: color .2s; }
.foot-col a:hover { color: var(--brass); }
.foot-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--line); }
.foot-bottom p { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; color: var(--bone-mute); text-transform: uppercase; }
@media (max-width: 760px) { .foot-top { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: span 2; } }

/* --------------------------------------------------------------- Reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* --------------------------------------------------------------- Page hero (interior) */
.page-hero { padding-top: clamp(60px, 9vw, 120px); padding-bottom: clamp(40px, 6vw, 72px); border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); max-width: 18ch; margin: 20px 0 20px; }
.page-hero .lead { max-width: 62ch; }
.crumbs { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--bone-mute); }
.crumbs a:hover { color: var(--brass); }