/* ============================================================
   BLACK OPS — Système de design
   Charte : NOIR & BLANC · Police : Roboto / Roboto Mono (Gas Stream)
   Esthétique : dossier classifié · patrimoine Akan · deep-tech
   ============================================================ */

:root {
  --ink:        #000000;
  --paper:      #ffffff;
  --near:       #0a0a0a;
  --steel:      #8a8a8a;
  --steel-2:    #b8b8b8;
  --hair:       #e8e8e8;
  --hair-dark:  #242424;

  --f-display: 'Big Shoulders Display', 'Oswald', Impact, sans-serif;
  --f-body:    'Dosis', system-ui, sans-serif;
  --f-mono:    'Dosis', system-ui, sans-serif;

  --maxw: 1240px;
  --gut: clamp(20px, 5vw, 72px);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--f-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4,
.brand__word, .hero h1, .sec-head h2, .cap h3, .work__name,
.stat__n, .contact h2, .cline .v {
  font-family: var(--f-display);
}

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

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ---------- Layout helpers ---------- */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }

.eyebrow {
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--steel);
}

.tag {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Classification bar — recurring dossier device */
.classbar {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}
.classbar .dot { width: 8px; height: 8px; background: var(--ink); border-radius: 50%; flex: none; }
.classbar .rule { height: 1px; flex: 1; background: var(--border, #cfcfcf); }
.section--dark .classbar .rule { background: #3a3a3a; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--hair);
  transition: transform .4s var(--ease);
}
.nav.hidden { transform: translateY(-100%); }
.nav__inner {
  max-width: var(--maxw); margin-inline: auto;
  padding: 14px var(--gut);
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand__mark { width: 40px; height: 40px; flex: none; display: block; overflow: hidden; }
.brand__mark img { width: 100%; height: 100%; object-fit: contain; object-position: center; }
.brand__word {
  font-weight: 900; font-size: 17px; letter-spacing: 0.24em;
  text-transform: uppercase;
}
.nav__links { display: flex; align-items: center; gap: 34px; }
.nav__links a {
  font-family: var(--f-mono); font-size: 12px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--near); position: relative; padding: 4px 0;
}
.nav__links a::after {
  content: ''; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 1.5px; background: var(--ink); transition: width .3s var(--ease);
}
.nav__links a:hover::after { width: 100%; }
.nav__cta {
  border: 1.5px solid var(--ink); padding: 9px 18px;
  font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.12em;
  text-transform: uppercase; transition: background .25s, color .25s;
}
.nav__cta:hover { background: var(--ink); color: var(--paper); }
.nav__burger { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav__burger span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: .3s var(--ease); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding-top: 84px;
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
}
.hero__grid {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(var(--hair) 1px, transparent 1px),
    linear-gradient(90deg, var(--hair) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000 30%, transparent 80%);
  opacity: .7;
}
.hero__inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center;
}
.hero__meta {
  display: flex; gap: 20px; margin-bottom: 26px; flex-wrap: wrap;
}
.hero__meta .tag { color: var(--steel); border-left: 2px solid var(--ink); padding-left: 10px; }
.hero h1 {
  font-size: clamp(46px, 9vw, 118px);
  line-height: 0.92;
  font-weight: 900;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.hero h1 .thin { font-weight: 300; letter-spacing: -0.01em; }
.hero h1 .out {
  -webkit-text-stroke: 2px var(--ink); color: transparent;
}
.hero__lede {
  margin-top: 30px; max-width: 46ch; font-size: clamp(15px, 1.5vw, 18px);
  color: var(--near); line-height: 1.6;
}
.hero__actions { margin-top: 38px; display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--f-mono); font-size: 13px; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 15px 26px; cursor: pointer;
  border: 1.5px solid var(--ink); background: var(--ink); color: var(--paper);
  transition: background .25s var(--ease), color .25s var(--ease), transform .25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }
.btn svg { width: 15px; height: 15px; }

.hero__mark { display: flex; justify-content: center; align-items: center; position: relative; }
.hero__mask-img {
  width: 100%; max-width: 460px; height: auto;
  filter: drop-shadow(0 24px 60px rgba(0,0,0,.28));
  animation: floaty 7s ease-in-out infinite;
}
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

.hero__ticker {
  position: relative; z-index: 2; margin-top: auto;
  border-top: 1px solid var(--ink);
  overflow: hidden; white-space: nowrap;
}
.ticker__track {
  display: inline-flex; gap: 48px; padding: 14px 0;
  animation: ticker 34s linear infinite;
  font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--near);
}
.ticker__track span { display: inline-flex; align-items: center; gap: 48px; }
.ticker__track span::after { content: '◆'; font-size: 8px; color: var(--steel); }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ============================================================
   SECTION SHELL
   ============================================================ */
.section { padding: clamp(72px, 11vw, 150px) 0; border-bottom: 1px solid var(--hair); }
.section--dark { background: var(--ink); color: var(--paper); border-bottom: 1px solid var(--hair-dark); }
.section--dark .eyebrow { color: #e8e8e8; }
.section--dark .classbar { color: #f0f0f0; }
.section--dark .classbar .dot { background: var(--paper); }
.section--dark .classbar .rule { background: var(--hair-dark); }

.sec-head { margin-bottom: 60px; }
.sec-head__row { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-top: 20px; flex-wrap: wrap; }
.sec-head h2 {
  font-size: clamp(30px, 5vw, 60px); font-weight: 900;
  letter-spacing: -0.015em; text-transform: uppercase; line-height: 0.98;
}
.sec-head p { max-width: 42ch; color: #4a4a4a; font-size: 16px; font-weight: 500; }
.section--dark .sec-head p { color: #cfcfcf; }
.section--dark .sec-head p { color: var(--steel-2); }

/* ============================================================
   ACTIVITÉS — dossier grid
   ============================================================ */
.caps {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid currentColor; border-left: 1px solid currentColor;
}
.cap {
  border-right: 1px solid; border-bottom: 1px solid;
  border-color: var(--hair-dark);
  padding: 30px 26px 34px; position: relative; min-height: 190px;
  display: flex; flex-direction: column;
  transition: background .3s var(--ease), color .3s var(--ease);
  overflow: hidden;
}
.section--dark .caps { border-color: var(--hair-dark); }
.cap__num { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.1em; color: var(--steel); }
.cap__ico { margin: 20px 0 auto; width: 40px; height: 40px; }
.cap__ico svg { width: 100%; height: 100%; stroke: currentColor; }
.cap h3 { font-size: 17px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em; margin-top: 18px; }
.cap p { font-size: 12.5px; color: var(--steel-2); margin-top: 8px; line-height: 1.5; font-family: var(--f-mono); }
.cap::before {
  content: ''; position: absolute; inset: 0; background: var(--paper);
  transform: translateY(101%); transition: transform .4s var(--ease); z-index: 0;
}
.cap:hover::before { transform: translateY(0); }
.cap:hover { color: var(--ink); }
.cap:hover .cap__num, .cap:hover p { color: var(--near); }
.cap > * { position: relative; z-index: 1; }

/* ============================================================
   RÉALISATIONS — product dossier cards
   ============================================================ */
.works { display: flex; flex-direction: column; }
.work {
  display: grid; grid-template-columns: 90px 1fr auto; gap: 30px; align-items: center;
  padding: 38px 0; border-top: 1px solid var(--hair);
  position: relative; transition: padding-left .35s var(--ease);
}
.work:hover { padding-left: 20px; }
.work__idx { font-family: var(--f-mono); font-size: 13px; color: var(--steel); align-self: start; padding-top: 6px; }
.work__body { }
.work__name { font-size: clamp(28px, 4vw, 46px); font-weight: 900; letter-spacing: -0.01em; text-transform: uppercase; line-height: 1; }
.work__tags { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.work__tags span {
  font-family: var(--f-mono); font-size: 12.5px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  border: 1.5px solid var(--ink); padding: 5px 12px; color: var(--ink);
}
.work__desc { margin-top: 14px; max-width: 64ch; color: #2b2b2b; font-size: 16.5px; font-weight: 500; line-height: 1.6; }
.work__cta {
  display: inline-flex; align-items: center; gap: 10px; align-self: start; padding-top: 8px;
  font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; white-space: nowrap;
}
.work__cta .arrow { display: inline-flex; transition: transform .3s var(--ease); }
.work:hover .work__cta .arrow { transform: translate(4px, -4px); }
.work__cta svg { width: 14px; height: 14px; }

/* ============================================================
   MÉTHODE / bande stats
   ============================================================ */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat { padding: 8px 0; border-left: 1px solid var(--hair-dark); padding-left: 22px; }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat__n { font-size: clamp(38px, 6vw, 66px); font-weight: 900; letter-spacing: -0.03em; line-height: 1; }
.stat__l { font-family: var(--f-mono); font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--steel-2); margin-top: 12px; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact h2 { font-size: clamp(34px, 6vw, 78px); font-weight: 900; text-transform: uppercase; letter-spacing: -0.02em; line-height: 0.95; }
.contact__lede { margin-top: 24px; color: var(--near); max-width: 40ch; font-size: 16px; }
.cline { display: flex; flex-direction: column; gap: 6px; padding: 22px 0; border-top: 1px solid var(--hair); }
.cline .k { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--steel); }
.cline .v { font-size: clamp(18px, 2.4vw, 26px); font-weight: 700; }
.cline .v a { transition: opacity .2s; }
.cline .v a:hover { opacity: .55; }

/* ============================================================
   FOOTER
   ============================================================ */
.foot { background: var(--ink); color: var(--paper); padding: 70px 0 40px; }
.foot__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid var(--hair-dark); }
.foot__brand { display: flex; align-items: center; gap: 14px; }
.foot__logo { width: auto; height: 130px; }
.foot__tag { margin-top: 20px; color: var(--steel-2); font-size: 13.5px; max-width: 34ch; line-height: 1.6; }
.foot__col h4 { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--steel); margin-bottom: 18px; }
.foot__col a { display: block; padding: 7px 0; color: var(--steel-2); font-size: 14px; transition: color .2s, padding-left .2s; }
.foot__col a:hover { color: var(--paper); padding-left: 6px; }
.foot__bar { display: flex; justify-content: space-between; align-items: center; padding-top: 26px; flex-wrap: wrap; gap: 14px; }
.foot__bar span { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--steel); text-transform: uppercase; }

/* ============================================================
   REVEAL animation
   ============================================================ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__burger { display: block; }
  .hero__inner { grid-template-columns: 1fr; gap: 30px; }
  .hero__mark { order: -1; }
  .hero__mask-img { max-width: 240px; }
  .caps { grid-template-columns: 1fr 1fr; }
  .contact__grid { grid-template-columns: 1fr; gap: 34px; }
  .foot__top { grid-template-columns: 1fr; gap: 30px; }
  .stats { grid-template-columns: 1fr 1fr; gap: 30px 0; }
  .stat { border-left: 0; padding-left: 0; }
}
@media (max-width: 560px) {
  .caps { grid-template-columns: 1fr; }
  .work { grid-template-columns: 1fr; gap: 12px; }
  .work__idx { padding-top: 0; }
  .work__cta { padding-top: 4px; }
  .hero__meta { gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .01ms !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}