/* =====================================================
   MNT — Mauritania New Technologies
   Design System v5 — Multi-Theme
   ===================================================== */

/* ============================
   THEME 1 : OBSIDIAN (défaut)
   Fond noir · Bleu électrique
   ============================ */
:root,
[data-theme="obsidian"] {
  /* Surfaces */
  --bg:         #08080C;
  --bg-2:       #0D0D12;
  --bg-3:       #131318;
  --bg-card:    #0E0E14;
  --bg-card-2:  #141419;
  --bg-header:  rgba(8,8,12,0.90);
  --bg-feature: linear-gradient(145deg,#0E0E18,#0A0A12);

  /* Texte */
  --ink:        #F8F8FC;
  --ink-soft:   #A8A8B8;
  --ink-muted:  #6E6E82;
  --muted:      #4A4A5C;
  --ink-btn:    #FFFFFF;

  /* Bordures */
  --line:       rgba(255,255,255,0.06);
  --line-soft:  rgba(255,255,255,0.03);
  --line-hover: rgba(37,99,235,0.35);

  /* Accent */
  --accent:      #2563EB;
  --accent-dark: #1D4ED8;
  --accent-soft: rgba(37,99,235,0.10);
  --accent-glow: rgba(37,99,235,0.25);
  --blue:        #2563EB;
  --blue-soft:   rgba(37,99,235,0.10);

  /* Ombres */
  --shadow:      0 20px 60px -20px rgba(0,0,0,.9);
  --shadow-lg:   0 40px 100px -30px rgba(0,0,0,.95);
  --shadow-glow: 0 0 60px rgba(37,99,235,.12);
  --shadow-card: 0 1px 0 rgba(255,255,255,.05) inset, 0 -1px 0 rgba(0,0,0,.3) inset;

  /* Layout & typo — commun à tous les thèmes */
  --font-sans:   'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-serif:  'Fraunces', Georgia, 'Times New Roman', serif;
  --font-mono:   'JetBrains Mono', 'Menlo', 'Monaco', monospace;
  --maxw:        1200px;
  --radius-sm:   8px;
  --radius:      14px;
  --radius-lg:   22px;
  --radius-xl:   28px;
  --ease:        cubic-bezier(.2,.6,.2,1);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
  --t-fast:      150ms;
  --t-med:       300ms;
  --t-slow:      600ms;
}

/* ============================
   THEME 2 : PERLE
   Fond blanc · Bleu saphir
   ============================ */
[data-theme="pearl"] {
  --bg:         #FAFAFA;
  --bg-2:       #F0F0F4;
  --bg-3:       #E4E4EC;
  --bg-card:    #FFFFFF;
  --bg-card-2:  #F7F7FB;
  --bg-header:  rgba(250,250,252,0.94);
  --bg-feature: linear-gradient(145deg,#EEF2FF,#E0E7FF);

  --ink:        #09090B;
  --ink-soft:   #3F3F46;
  --ink-muted:  #71717A;
  --muted:      #A1A1AA;
  --ink-btn:    #FFFFFF;

  --line:       rgba(0,0,0,0.08);
  --line-soft:  rgba(0,0,0,0.04);
  --line-hover: rgba(37,99,235,0.30);

  --accent:      #2563EB;
  --accent-dark: #1D4ED8;
  --accent-soft: rgba(37,99,235,0.08);
  --accent-glow: rgba(37,99,235,0.18);
  --blue:        #2563EB;
  --blue-soft:   rgba(37,99,235,0.08);

  --shadow:      0 20px 60px -20px rgba(0,0,0,.12);
  --shadow-lg:   0 40px 100px -30px rgba(0,0,0,.18);
  --shadow-glow: 0 0 40px rgba(37,99,235,.10);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.07), 0 0 0 1px rgba(0,0,0,0.04);
}

/* ============================
   THEME 3 : DUNE
   Sable foncé · Or champagne
   ============================ */
[data-theme="dune"] {
  --bg:         #0F0C07;
  --bg-2:       #15110A;
  --bg-3:       #1C1710;
  --bg-card:    #12100A;
  --bg-card-2:  #1A1610;
  --bg-header:  rgba(15,12,7,0.90);
  --bg-feature: linear-gradient(145deg,#1C1710,#130E07);

  --ink:        #FBF7EE;
  --ink-soft:   #C4B898;
  --ink-muted:  #8A7A60;
  --muted:      #5A4A35;
  --ink-btn:    #0F0C07;

  --line:       rgba(255,245,220,0.07);
  --line-soft:  rgba(255,245,220,0.04);
  --line-hover: rgba(212,168,75,0.35);

  --accent:      #D4A84B;
  --accent-dark: #B8922E;
  --accent-soft: rgba(212,168,75,0.10);
  --accent-glow: rgba(212,168,75,0.25);
  --blue:        #D4A84B;
  --blue-soft:   rgba(212,168,75,0.10);

  --shadow:      0 20px 60px -20px rgba(0,0,0,.9);
  --shadow-lg:   0 40px 100px -30px rgba(0,0,0,.95);
  --shadow-glow: 0 0 60px rgba(212,168,75,.12);
  --shadow-card: 0 1px 0 rgba(255,245,220,.05) inset, 0 -1px 0 rgba(0,0,0,.3) inset;
}

/* ============================
   THEME 4 : FORÊT
   Vert nuit · Émeraude
   ============================ */
[data-theme="foret"] {
  --bg:         #030A06;
  --bg-2:       #060F09;
  --bg-3:       #0A1410;
  --bg-card:    #061008;
  --bg-card-2:  #0A1510;
  --bg-header:  rgba(3,10,6,0.90);
  --bg-feature: linear-gradient(145deg,#0A1F10,#061208);

  --ink:        #F0FDF4;
  --ink-soft:   #A7D9B3;
  --ink-muted:  #5A9A6A;
  --muted:      #3A6A48;
  --ink-btn:    #030A06;

  --line:       rgba(240,253,244,0.07);
  --line-soft:  rgba(240,253,244,0.04);
  --line-hover: rgba(16,185,129,0.35);

  --accent:      #10B981;
  --accent-dark: #059669;
  --accent-soft: rgba(16,185,129,0.10);
  --accent-glow: rgba(16,185,129,0.25);
  --blue:        #10B981;
  --blue-soft:   rgba(16,185,129,0.10);

  --shadow:      0 20px 60px -20px rgba(0,0,0,.9);
  --shadow-lg:   0 40px 100px -30px rgba(0,0,0,.95);
  --shadow-glow: 0 0 60px rgba(16,185,129,.12);
  --shadow-card: 0 1px 0 rgba(240,253,244,.05) inset, 0 -1px 0 rgba(0,0,0,.3) inset;
}

/* ============================
   THEME 5 : RUBIS
   Nuit profonde · Crimson
   ============================ */
[data-theme="rubis"] {
  --bg:         #0C0505;
  --bg-2:       #120808;
  --bg-3:       #180B0B;
  --bg-card:    #0F0606;
  --bg-card-2:  #160909;
  --bg-header:  rgba(12,5,5,0.90);
  --bg-feature: linear-gradient(145deg,#1A0A0A,#0E0606);

  --ink:        #FFF1F2;
  --ink-soft:   #D4A0A4;
  --ink-muted:  #8A5558;
  --muted:      #5C3538;
  --ink-btn:    #FFFFFF;

  --line:       rgba(255,241,242,0.07);
  --line-soft:  rgba(255,241,242,0.04);
  --line-hover: rgba(225,29,72,0.35);

  --accent:      #E11D48;
  --accent-dark: #BE123C;
  --accent-soft: rgba(225,29,72,0.10);
  --accent-glow: rgba(225,29,72,0.25);
  --blue:        #E11D48;
  --blue-soft:   rgba(225,29,72,0.10);

  --shadow:      0 20px 60px -20px rgba(0,0,0,.9);
  --shadow-lg:   0 40px 100px -30px rgba(0,0,0,.95);
  --shadow-glow: 0 0 60px rgba(225,29,72,.12);
  --shadow-card: 0 1px 0 rgba(255,241,242,.05) inset, 0 -1px 0 rgba(0,0,0,.3) inset;
}

/* ============================
   THEME 6 : COSMOS
   Nuit violette · Lavande
   ============================ */
[data-theme="cosmos"] {
  --bg:         #07050F;
  --bg-2:       #0C0A16;
  --bg-3:       #12101E;
  --bg-card:    #0A0815;
  --bg-card-2:  #100E1C;
  --bg-header:  rgba(7,5,15,0.90);
  --bg-feature: linear-gradient(145deg,#120F20,#0A0818);

  --ink:        #F5F3FF;
  --ink-soft:   #B8B0D8;
  --ink-muted:  #7B72A8;
  --muted:      #524A78;
  --ink-btn:    #FFFFFF;

  --line:       rgba(245,243,255,0.07);
  --line-soft:  rgba(245,243,255,0.04);
  --line-hover: rgba(124,58,237,0.35);

  --accent:      #7C3AED;
  --accent-dark: #6D28D9;
  --accent-soft: rgba(124,58,237,0.10);
  --accent-glow: rgba(124,58,237,0.25);
  --blue:        #7C3AED;
  --blue-soft:   rgba(124,58,237,0.10);

  --shadow:      0 20px 60px -20px rgba(0,0,0,.9);
  --shadow-lg:   0 40px 100px -30px rgba(0,0,0,.95);
  --shadow-glow: 0 0 60px rgba(124,58,237,.12);
  --shadow-card: 0 1px 0 rgba(245,243,255,.05) inset, 0 -1px 0 rgba(0,0,0,.3) inset;
}

/* ============================
   RESET & BASE
   ============================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--t-fast) var(--ease)}
button{font:inherit;cursor:pointer;border:0;background:none}
ul,ol{list-style:none}

.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.container-narrow{max-width:880px;margin:0 auto;padding:0 28px}

/* Pas d'orbes — design pur et minimaliste */

/* ============================
   TYPOGRAPHY
   ============================ */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:2.5px;
  text-transform:uppercase;color:var(--accent);
}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--accent);opacity:.5}

.h1{
  font-family:var(--font-serif);font-weight:500;
  font-size:clamp(42px,6vw,84px);line-height:1.02;letter-spacing:-3px;
  font-optical-sizing:auto;
}
.h1 em{font-style:italic;font-weight:400;color:var(--accent)}
.h2{
  font-family:var(--font-serif);font-weight:500;
  font-size:clamp(34px,4.2vw,58px);line-height:1.07;letter-spacing:-2px;
}
.h2 em{font-style:italic;font-weight:400;color:var(--accent)}
.h3{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.25;letter-spacing:-.6px}
.h4{font-size:18px;font-weight:600;letter-spacing:-.3px;color:var(--ink)}
.lead{font-size:clamp(17px,1.5vw,21px);color:var(--ink-muted);max-width:60ch;line-height:1.65}
.muted{color:var(--muted)}
.kicker{font-family:var(--font-mono);font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:2px}

/* ============================
   BUTTONS
   ============================ */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:999px;
  font-weight:600;font-size:15px;
  border:1px solid transparent;
  transition:all var(--t-med) var(--ease);
  white-space:nowrap;
}
.btn .arr{transition:transform var(--t-med) var(--ease)}
.btn:hover .arr{transform:translateX(5px)}

.btn-primary{
  background:var(--accent);color:var(--ink-btn);font-weight:700;
}
.btn-primary:hover{
  background:var(--accent-dark);
  transform:translateY(-1px);
  box-shadow:0 10px 35px -8px var(--accent-glow);
}
.btn-accent{
  background:var(--accent);
  color:var(--ink-btn);font-weight:700;
}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 10px 35px -8px var(--accent-glow)}

.btn-ghost{
  border-color:rgba(255,255,255,.15);color:var(--ink-soft);background:transparent;
}
.btn-ghost:hover{border-color:rgba(255,255,255,.35);color:var(--ink);background:rgba(255,255,255,.05)}

.btn-ghost-light{border-color:rgba(255,255,255,.18);color:var(--ink);background:transparent}
.btn-ghost-light:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.3)}

.btn-sm{padding:10px 20px;font-size:13.5px}
.btn-lg{padding:18px 36px;font-size:16px}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;font-size:15px;color:var(--ink-soft);
  border-bottom:1px solid rgba(255,255,255,.18);padding-bottom:3px;
  transition:all var(--t-med) var(--ease);
}
.link-arrow:hover{color:var(--accent);border-color:var(--accent)}

/* ============================
   HEADER / NAV
   ============================ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--bg-header);
  backdrop-filter:saturate(200%) blur(24px);
  -webkit-backdrop-filter:saturate(200%) blur(24px);
  border-bottom:1px solid transparent;
  transition:border-color var(--t-med) var(--ease);
}
.site-header.scrolled{border-bottom-color:rgba(255,255,255,.06)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-brand{display:flex;align-items:center}
.nav-brand img{height:30px;width:auto;filter:brightness(0) invert(1)}
.nav-links{display:flex;align-items:center;gap:36px}
.nav-links a{
  font-size:14px;font-weight:500;color:var(--ink-muted);
  position:relative;padding:6px 0;transition:color var(--t-fast) var(--ease);
}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;
  height:1.5px;background:var(--accent);border-radius:2px;
}
.nav-cta{display:flex;align-items:center;gap:12px}
.burger{
  display:none;width:40px;height:40px;
  border-radius:10px;border:1px solid rgba(255,255,255,.12);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.burger span{display:block;width:18px;height:1.5px;background:var(--ink);transition:all var(--t-med) var(--ease)}
.burger.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0;transform:scaleX(0)}
.burger.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.nav-mobile{display:none}
@media(max-width:920px){
  .nav-links,.nav-cta .btn{display:none}
  .nav-cta .burger{display:flex}
  .nav-mobile{
    display:block;position:fixed;inset:72px 0 0 0;
    background:var(--bg);border-top:1px solid var(--line);
    transform:translateX(100%);transition:transform var(--t-slow) var(--ease);
    padding:40px 28px;z-index:99;overflow-y:auto;
  }
  .nav-mobile.open{transform:translateX(0)}
  .nav-mobile ul{display:flex;flex-direction:column;gap:4px}
  .nav-mobile a{
    display:block;font-size:20px;font-weight:600;padding:16px 0;
    border-bottom:1px solid var(--line);color:var(--ink-soft);
  }
  .nav-mobile a:hover{color:var(--ink)}
  .nav-mobile .btn{margin-top:28px;width:100%;justify-content:center;display:flex}
}

/* ============================
   HERO
   ============================ */
.hero{position:relative;padding:100px 0 140px;overflow:hidden}
.hero-grid-bg{
  position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 10%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 10%,transparent 100%);
}
.hero>.container{position:relative;z-index:1}
.hero-meta{
  display:inline-flex;align-items:center;gap:12px;margin-bottom:36px;
  font-family:var(--font-mono);font-size:12px;color:var(--ink-muted);
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  padding:8px 18px;border-radius:999px;
}
.hero-meta .dot{
  width:6px;height:6px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 3px var(--accent-soft);
  animation:pulse 2.5s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 3px var(--accent-soft)}
  50%{box-shadow:0 0 0 7px rgba(212,168,75,.04)}
}
.hero h1{margin:0 0 32px;max-width:22ch}
.hero .lead{margin-bottom:48px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:80px}
.hero-trust{
  display:flex;align-items:center;gap:40px;flex-wrap:wrap;
  padding-top:40px;border-top:1px solid rgba(255,255,255,.06);
}
.hero-trust .label{font-family:var(--font-mono);font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:2px}
.hero-trust .items{display:flex;align-items:center;gap:32px;flex-wrap:wrap}
.hero-trust .item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-muted);font-weight:500}
.hero-trust .item::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);flex-shrink:0}

/* ============================
   STRIP / MARQUEE
   ============================ */
.strip{
  border-top:1px solid rgba(255,255,255,.05);
  border-bottom:1px solid rgba(255,255,255,.05);
  padding:24px 0;background:var(--bg-2);overflow:hidden;
}
.marquee-wrap{display:flex;width:max-content;animation:marqueeScroll 32s linear infinite}
.marquee{display:flex;align-items:center;gap:56px;font-family:var(--font-serif);font-size:18px;color:var(--ink-muted);font-style:italic;padding-right:56px}
.marquee .sep{color:var(--accent);font-style:normal;opacity:.5;padding:0 4px}
@keyframes marqueeScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ============================
   SECTIONS
   ============================ */
section{padding:120px 0;position:relative}
section.compact{padding:80px 0}
.section-head{margin-bottom:64px;max-width:760px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head .eyebrow{margin-bottom:20px;display:block}
.section-head h2{margin-bottom:20px}
.section-dark{background:var(--bg-2);border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05)}
.section-dark-inline{background:var(--bg-2)}

/* ============================
   PILLARS
   ============================ */
.pillars{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid rgba(255,255,255,.06);border-radius:var(--radius-lg);overflow:hidden;
  background:var(--bg-card);
}
.pillar{padding:36px 28px;border-right:1px solid rgba(255,255,255,.05);transition:background var(--t-med) var(--ease)}
.pillar:last-child{border-right:0}
.pillar:hover{background:var(--bg-card-2)}
.pillar .num{font-family:var(--font-mono);font-size:11px;color:var(--accent);opacity:.7;margin-bottom:18px;letter-spacing:1px}
.pillar h4{margin-bottom:10px}
.pillar p{font-size:14.5px;color:var(--ink-muted)}
@media(max-width:900px){
  .pillars{grid-template-columns:1fr 1fr}
  .pillar{border-bottom:1px solid rgba(255,255,255,.05)}
  .pillar:nth-child(odd){border-right:1px solid rgba(255,255,255,.05)}
  .pillar:nth-child(even){border-right:0}
  .pillar:nth-last-child(-n+2){border-bottom:0}
}
@media(max-width:560px){
  .pillars{grid-template-columns:1fr}
  .pillar{border-right:0!important;border-bottom:1px solid rgba(255,255,255,.05)}
  .pillar:last-child{border-bottom:0}
}

/* ============================
   SERVICES (bento grid)
   ============================ */
.services{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.service{
  grid-column:span 2;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:36px;
  display:flex;flex-direction:column;
  transition:all var(--t-med) var(--ease);position:relative;overflow:hidden;
}
.service:hover{
  border-color:rgba(37,99,235,.35);
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg),0 0 60px rgba(37,99,235,.10);
}
.service.feature{
  grid-column:span 3;
  background:var(--bg-feature);
  border-color:rgba(37,99,235,.25);
}
.service.feature::before{
  content:"";position:absolute;top:-80px;right:-80px;
  width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(37,99,235,.15),transparent 70%);
  animation:floatOrb 10s ease-in-out infinite alternate;
}
@keyframes floatOrb{0%{transform:scale(1) translate(0,0)}100%{transform:scale(1.4) translate(-30px,20px)}}
.service.feature .service-desc,.service.feature .service-list li{color:var(--ink-muted)}
.service.dark{grid-column:span 3;background:var(--bg-2)}
.service-icon{
  width:48px;height:48px;border-radius:12px;
  background:var(--accent-soft);color:var(--accent);
  display:grid;place-items:center;margin-bottom:24px;
  transition:all var(--t-med) var(--ease-spring);
}
.service:hover .service-icon{background:var(--accent);color:var(--ink-btn);transform:rotate(-6deg) scale(1.1)}
.service.feature .service-icon{background:rgba(37,99,235,.15);color:var(--accent)}
.service h3{margin-bottom:12px;font-family:var(--font-serif);font-weight:500;font-size:24px;letter-spacing:-.5px;color:var(--ink)}
.service.feature h3{color:var(--ink)}
.service-desc{color:var(--ink-muted);font-size:15px;margin-bottom:20px;flex:1}
.service-list{margin-bottom:20px}
.service-list li{
  display:flex;align-items:center;gap:10px;
  padding:7px 0;font-size:14px;color:var(--ink-muted);
  border-bottom:1px solid var(--line);
}
.service-list li:last-child{border-bottom:0}
.service-list li::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent);flex-shrink:0}
.service-cta{margin-top:auto}
@media(max-width:1000px){
  .services{grid-template-columns:repeat(2,1fr)}
  .service,.service.feature,.service.dark{grid-column:span 1}
}
@media(max-width:600px){.services{grid-template-columns:1fr}}

/* ============================
   PROCESS
   ============================ */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(255,255,255,.06)}
.step{padding:40px 32px 40px 0;border-right:1px dashed rgba(255,255,255,.08);position:relative}
.step:last-child{border-right:0;padding-right:0}
.step-num{font-family:var(--font-mono);font-size:12px;color:var(--accent);margin-bottom:18px;display:flex;align-items:center;gap:8px;opacity:.8}
.step-num::after{content:"";flex:1;height:1px;background:rgba(255,255,255,.08);margin-right:24px}
.step h4{margin-bottom:10px;font-size:19px;letter-spacing:-.3px}
.step p{font-size:14px;color:var(--ink-muted);line-height:1.65}
.step .duration{margin-top:14px;font-size:11px;color:var(--muted);font-family:var(--font-mono);letter-spacing:.5px}
@media(max-width:900px){
  .process{grid-template-columns:1fr 1fr}
  .step:nth-child(2n){border-right:0}
  .step{border-bottom:1px dashed rgba(255,255,255,.08);padding:32px 24px 32px 0}
  .step:nth-last-child(-n+2){border-bottom:0}
}
@media(max-width:560px){
  .process{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px dashed rgba(255,255,255,.08);padding:28px 0}
  .step:last-child{border-bottom:0}
}

/* ============================
   STATS BAND
   ============================ */
.stats-band{
  background:var(--bg-card);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius-xl);padding:64px 48px;
  position:relative;overflow:hidden;
  box-shadow:var(--shadow-card);
}
.stats-band::before{
  content:"";position:absolute;right:-100px;top:-100px;
  width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(37,99,235,.08),transparent 60%);
  opacity:.8;
}
.stats-band::after{
  content:"";position:absolute;left:-80px;bottom:-80px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(37,99,235,.05),transparent 60%);
  opacity:.6;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative;z-index:1}
.stat-item .num{
  font-family:var(--font-serif);font-weight:500;
  font-size:clamp(40px,4.8vw,68px);line-height:1;letter-spacing:-2.5px;margin-bottom:10px;
  background:linear-gradient(135deg,var(--ink) 30%,var(--accent));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.stat-item .lbl{font-family:var(--font-mono);font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:1.5px}
@media(max-width:760px){.stats-grid{grid-template-columns:1fr 1fr;gap:40px}}

/* ============================
   ABOUT / SPLIT
   ============================ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.split.center{align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:48px}}

.story-img{
  border-radius:var(--radius-lg);overflow:hidden;
  background:var(--bg-feature);
  aspect-ratio:4/5;position:relative;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.06);
}
.story-img::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 30%,rgba(37,99,235,.10),transparent 60%);
}
.story-logo-wrap{position:relative;z-index:1;text-align:center;display:flex;flex-direction:column;align-items:center;padding:40px}
.story-logo{width:78%;max-width:300px;height:auto;filter:brightness(0) invert(1);opacity:.85}

.values{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:32px}
.value{
  padding:22px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--bg-card);transition:all var(--t-med) var(--ease);
}
.value:hover{border-color:rgba(212,168,75,.22);background:var(--bg-card-2);transform:translateY(-2px)}
.value strong{display:block;margin-bottom:4px;font-size:15px;color:var(--ink)}
.value span{font-size:13px;color:var(--ink-muted);line-height:1.5}

/* ============================
   QUOTE
   ============================ */
.quote{
  background:var(--bg-card);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius-xl);padding:64px;text-align:center;position:relative;overflow:hidden;
}
.quote::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 0%,rgba(37,99,235,.07),transparent 60%);
}
.quote .mark{font-family:var(--font-serif);font-size:80px;line-height:.5;color:var(--accent);margin-bottom:10px;opacity:.5;position:relative;z-index:1}
.quote blockquote{
  font-family:var(--font-serif);font-weight:400;
  font-size:clamp(22px,2.5vw,32px);line-height:1.35;letter-spacing:-.5px;
  max-width:780px;margin:0 auto 28px;color:var(--ink);position:relative;z-index:1;
}
.quote cite{font-style:normal;font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:2px;position:relative;z-index:1}

/* ============================
   CTA BAND
   ============================ */
.cta-band{
  background:var(--bg-card);
  border:1px solid rgba(37,99,235,.2);
  border-radius:var(--radius-xl);
  padding:80px 64px;text-align:center;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 0%,rgba(37,99,235,.12),transparent 60%);
}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{color:var(--ink);margin-bottom:18px}
.cta-band p{color:var(--ink-muted);font-size:18px;max-width:560px;margin:0 auto 36px}
@media(max-width:600px){.cta-band{padding:48px 28px}}

/* ============================
   PORTFOLIO / RÉALISATIONS
   ============================ */
.portfolio{display:grid;grid-template-columns:1.5fr 1fr;gap:16px}
.portfolio-item{
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:40px;
  display:flex;flex-direction:column;gap:18px;
  background:var(--bg-card);transition:all var(--t-med) var(--ease);position:relative;overflow:hidden;
}
.portfolio-item:hover{border-color:rgba(37,99,235,.35);box-shadow:var(--shadow-lg),0 0 60px rgba(37,99,235,.10);transform:translateY(-4px)}
.portfolio-item.feature{background:var(--bg-feature);border-color:rgba(37,99,235,.2)}
.portfolio-item.feature::before{
  content:"";position:absolute;top:-60px;right:-60px;width:200px;height:200px;
  border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,.12),transparent 70%);
}
.portfolio-badge{
  display:inline-flex;align-items:center;
  font-family:var(--font-mono);font-size:10.5px;font-weight:500;
  text-transform:uppercase;letter-spacing:1.5px;
  padding:5px 12px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);border:1px solid rgba(212,168,75,.2);width:fit-content;
}
.portfolio-badge.coming{background:var(--bg-2);color:var(--muted);border-color:var(--line)}
.portfolio-logo-wrap{height:56px;display:flex;align-items:center}
.portfolio-logo{height:44px;width:auto;filter:brightness(0) invert(1);object-fit:contain}
.portfolio-logo-fallback{height:44px;display:flex;align-items:center;font-family:var(--font-serif);font-size:26px;color:var(--ink)}
.portfolio-placeholder{width:68px;height:68px;border-radius:var(--radius);background:var(--bg-2);border:1px solid var(--line);display:grid;place-items:center;color:var(--muted)}
.portfolio-item h3{font-family:var(--font-serif);font-weight:500;letter-spacing:-.5px;margin:0;color:var(--ink)}
.portfolio-desc{font-size:15px;color:var(--ink-muted);line-height:1.6;flex:1}
.portfolio-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-family:var(--font-mono);font-size:11px;font-weight:500;padding:4px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.08);color:var(--muted);background:rgba(255,255,255,.03)}
.portfolio-client-name{font-family:var(--font-serif);font-size:22px;font-weight:500;color:var(--ink-soft);letter-spacing:-.3px}
.portfolio-meta{font-family:var(--font-mono);font-size:11.5px;color:var(--muted)}
.portfolio-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:900px){.portfolio-row{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.portfolio-row{grid-template-columns:1fr}}
@media(max-width:760px){.portfolio{grid-template-columns:1fr}}

/* ============================
   FOOTER
   ============================ */
.site-footer{
  background:var(--bg-2);color:var(--ink-muted);
  padding:80px 0 32px;border-top:1px solid rgba(255,255,255,.05);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:48px;padding-bottom:56px;border-bottom:1px solid rgba(255,255,255,.05);
}
.footer-brand .logo{margin-bottom:20px}
.footer-brand p{font-size:14px;line-height:1.6;max-width:320px;color:var(--muted)}
.footer-col h5{
  color:var(--ink-soft);font-family:var(--font-mono);font-size:11px;font-weight:600;
  text-transform:uppercase;letter-spacing:2px;margin-bottom:20px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--muted);transition:color var(--t-fast) var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:28px;font-family:var(--font-mono);font-size:12px;color:var(--muted);flex-wrap:wrap;gap:16px;
}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}}

/* ============================
   PAGE HERO (pages internes)
   ============================ */
.page-hero{
  padding:90px 0 70px;border-bottom:1px solid rgba(255,255,255,.05);
  position:relative;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 0%,rgba(37,99,235,.07),transparent 60%);
}
.page-hero .container{position:relative;z-index:1}
.page-hero .breadcrumb{font-family:var(--font-mono);font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:2px;margin-bottom:28px}
.page-hero .breadcrumb a{color:var(--muted);transition:color var(--t-fast) var(--ease)}
.page-hero .breadcrumb a:hover{color:var(--ink)}
.page-hero h1{font-size:clamp(40px,5.2vw,72px);margin-bottom:28px;max-width:20ch}
.page-hero p{max-width:60ch;font-size:18px;color:var(--ink-muted)}

/* ============================
   SERVICE DETAIL
   ============================ */
.service-detail{padding:80px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.service-detail:last-of-type{border-bottom:0}
.service-detail .container{display:grid;grid-template-columns:.4fr .6fr;gap:80px;align-items:start}
.service-detail .left .kicker{margin-bottom:14px;display:block}
.service-detail .left h2{font-size:clamp(28px,3.2vw,44px);margin-bottom:18px}
.service-detail .left p{color:var(--ink-muted);font-size:16px;line-height:1.7}
.service-detail .right{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.detail-card{
  padding:26px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--bg-card);transition:all var(--t-med) var(--ease);
}
.detail-card:hover{border-color:rgba(212,168,75,.22);background:var(--bg-card-2)}
.detail-card h4{margin-bottom:8px;font-size:15.5px}
.detail-card p{font-size:13.5px;color:var(--ink-muted);line-height:1.55}
@media(max-width:900px){
  .service-detail .container{grid-template-columns:1fr;gap:40px}
  .service-detail .right{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){.service-detail .right{grid-template-columns:1fr}}

/* IA section */
.service-ia-dark{background:var(--bg-2) !important;color:var(--ink) !important}
.service-ia-dark .kicker{color:var(--accent)}

/* ============================
   TECH GRID (expertise)
   ============================ */
.tech-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.tech{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--bg-card);padding:22px 16px;text-align:center;
  transition:all var(--t-med) var(--ease);
}
.tech:hover{border-color:rgba(212,168,75,.3);background:var(--accent-soft);transform:translateY(-2px)}
.tech .name{font-size:13.5px;font-weight:600;color:var(--ink)}
.tech .cat{font-family:var(--font-mono);font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:1.5px;margin-top:6px}
@media(max-width:900px){.tech-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.tech-grid{grid-template-columns:repeat(2,1fr)}}

.principles{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.principle{
  padding:30px;border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--bg-card);display:flex;gap:20px;transition:all var(--t-med) var(--ease);
}
.principle:hover{border-color:rgba(212,168,75,.2);background:var(--bg-card-2)}
.principle .num{font-family:var(--font-serif);font-size:36px;line-height:1;color:var(--accent);font-weight:500;flex-shrink:0;opacity:.65}
.principle h4{margin-bottom:8px}
.principle p{font-size:14.5px;color:var(--ink-muted);line-height:1.6}
@media(max-width:760px){.principles{grid-template-columns:1fr}}

/* ============================
   CONTACT
   ============================ */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;align-items:start}
.contact-info .info-block{margin-bottom:32px;padding-bottom:32px;border-bottom:1px solid var(--line)}
.contact-info .info-block:last-of-type{border-bottom:0}
.contact-info h4{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:2px;color:var(--muted);margin-bottom:10px}
.contact-info .val{font-size:17px;font-weight:500;color:var(--ink)}
.contact-info .val a:hover{color:var(--accent)}
.contact-info .sub{font-size:14px;color:var(--ink-muted);margin-top:4px}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr;gap:48px}}

.contact-form{
  background:var(--bg-card);border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-card);
}
.field{margin-bottom:20px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-soft);margin-bottom:8px}
.field label .req{color:var(--accent);margin-left:2px}
.field input,.field textarea,.field select{
  width:100%;padding:14px 16px;
  border:1.5px solid var(--line);border-radius:10px;
  font:inherit;font-size:15px;color:var(--ink);background:var(--bg-2);
  transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:0;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);
}
.field input::placeholder,.field textarea::placeholder{color:var(--muted)}
.field select option{background:var(--bg-2);color:var(--ink)}
.field textarea{resize:vertical;min-height:140px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:560px){.field-row{grid-template-columns:1fr}}

/* ============================
   FAQ
   ============================ */
.faq{max-width:840px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:24px;
  font-size:17px;font-weight:600;color:var(--ink-soft);
  transition:color var(--t-fast) var(--ease);
}
.faq-item summary:hover,.faq-item[open] summary{color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;font-weight:300;color:var(--muted);transition:color var(--t-med) var(--ease);flex-shrink:0}
.faq-item[open] summary::after{content:"−";color:var(--accent)}
.faq-item .answer{padding:0 0 26px;color:var(--ink-muted);font-size:15.5px;line-height:1.7;max-width:680px}
.faq-item .answer a{color:var(--accent);border-bottom:1px solid var(--accent-soft)}

/* ============================
   AVAILABILITY
   ============================ */
.availability-card{
  padding:20px 24px;background:rgba(37,99,235,.05);
  border:1px solid rgba(37,99,235,.15);border-radius:var(--radius);
  display:flex;flex-direction:column;gap:8px;margin-top:40px;
}
.availability-card .avail-top{display:flex;align-items:center;gap:10px}
.availability-card .dot{
  width:8px;height:8px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 3px var(--accent-soft);
  animation:pulse 2.5s ease-in-out infinite;flex-shrink:0;
}
.availability-card strong{font-size:14px;color:var(--ink)}
.availability-card p{font-size:13px;color:var(--ink-muted);margin:0}

/* ============================
   FLOATING WHATSAPP
   ============================ */
.fab-whatsapp{
  position:fixed;bottom:24px;right:24px;z-index:90;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 20px 14px 16px;border-radius:999px;
  background:#25D366;color:#fff;font-weight:600;font-size:14px;
  box-shadow:0 10px 30px -8px rgba(37,211,102,.5),0 4px 12px rgba(0,0,0,.3);
  transition:all var(--t-med) var(--ease);
}
.fab-whatsapp:hover{transform:translateY(-2px);box-shadow:0 16px 40px -10px rgba(37,211,102,.65),0 6px 16px rgba(0,0,0,.3)}
.fab-whatsapp::before{
  content:"";display:inline-block;width:22px;height:22px;background:#fff;
  -webkit-mask:url(../assets/whatsapp.svg) center/contain no-repeat;
  mask:url(../assets/whatsapp.svg) center/contain no-repeat;
}
.fab-whatsapp .label{display:inline}
@media(max-width:520px){.fab-whatsapp{padding:14px;border-radius:50%}.fab-whatsapp .label{display:none}}

/* ============================
   REVEAL ANIMATIONS
   ============================ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:translateY(0)}
.reveal[data-delay="1"]{transition-delay:.1s}
.reveal[data-delay="2"]{transition-delay:.2s}
.reveal[data-delay="3"]{transition-delay:.3s}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}