/* =========================================================
   ArtMaGraph — Design tokens
   ========================================================= */
:root{
  --ink: #15130f;
  --ink-soft: #1e1b15;
  --ink-line: rgba(247,242,233,0.12);

  --cream: #f7f2e9;
  --cream-soft: #efe7d6;
  --paper-line: rgba(21,19,15,0.1);

  --gold: #c9a24b;
  --gold-bright: #e0bc6c;
  --gold-dark: #8f6f2e;

  --muted: #8a8371;
  --dated-blue: #3b5b7a;

  --text-on-ink: #f2ead9;
  --text-on-ink-soft: #c9c0aa;
  --text-on-cream: #221f19;
  --text-on-cream-soft: #5b5546;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, sans-serif;

  --container: 1180px;
  --radius: 14px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

/* =========================================================
   Reset & base
   ========================================================= */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--cream);
  color: var(--text-on-cream);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,p{ margin:0; }
button{ font: inherit; cursor:pointer; }
input,textarea{ font: inherit; }

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--gold); color:var(--ink); padding:10px 16px; border-radius:0 0 8px 0;
}
.skip-link:focus{ left:0; }

/* subtle linen texture on cream sections */
body{
  background-image:
    repeating-linear-gradient(45deg, rgba(21,19,15,0.015) 0px, rgba(21,19,15,0.015) 1px, transparent 1px, transparent 3px);
}

/* =========================================================
   Layout helpers
   ========================================================= */
.section{ padding: 128px 0; }
.section--dark{ background: var(--ink); color: var(--text-on-ink); }
.section--dark .section-lead{ color: var(--text-on-ink-soft); }
.section-inner{ max-width: var(--container); margin:0 auto; padding:0 32px; }
.section-inner--split{
  display:grid; grid-template-columns: 0.85fr 1.15fr; gap:72px; align-items:center;
}

.eyebrow{
  display:flex; align-items:center; gap:10px;
  font-family: var(--font-body); font-weight:600; font-size:13px; letter-spacing:.14em;
  text-transform:uppercase; color: var(--gold-dark); margin:0 0 18px;
}
.section--dark .eyebrow{ color: var(--gold-bright); }
.eyebrow.center{ justify-content:center; }
.eyebrow-mark{
  width:25px; height:30px; flex-shrink:0; object-fit:contain;
}
.section--dark .eyebrow-mark{ filter: brightness(0) invert(1); }

.section-title{
  font-family: var(--font-display); font-weight:100; font-size: clamp(2rem, 3.4vw, 3rem);
  line-height:1.15; letter-spacing:-.01em; max-width: 18ch; margin:0 auto;
}
.section-title.center{ text-align:center; max-width:20ch; }

.title-rule{
  display:block; width:44px; height:2px; background: var(--gold); margin:22px 0 24px;
  border-radius:1px;
}
.title-rule.center{ margin-left:auto; margin-right:auto; }
.section--dark .title-rule{ background: var(--gold-bright); }
.section-lead{
  max-width: 56ch; margin: 20px auto 0; text-align:center;
  color: var(--text-on-cream-soft); font-size:1.05rem; font-weight:100;
}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:15px 30px; border-radius:999px; font-weight:600; font-size:.95rem;
  border:1px solid transparent; transition: transform .35s var(--ease), background .3s, border-color .3s, color .3s;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--gold); color:var(--ink); }
.btn-primary:hover{ background: var(--gold-bright); }
.btn-ghost{ border-color: currentColor; color:inherit; }
.section--dark .btn-ghost, .hero .btn-ghost{ border-color: rgba(247,242,233,.35); }
.hero .btn-ghost:hover, .section--dark .btn-ghost:hover{ border-color: var(--gold); color: var(--gold-bright); }

/* scroll reveal */
.reveal{ opacity:0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--delay, 0ms); }
.reveal.is-visible{ opacity:1; transform:none; }

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index:100;
  padding: 22px 0; transition: padding .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
}
.site-header.is-scrolled{
  padding: 14px 0; background: rgba(247,242,233,.88); backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--paper-line);
}
.header-inner{
  max-width: var(--container); margin:0 auto; padding:0 32px;
  display:flex; align-items:center; justify-content:space-between;
}
.logo{ display:inline-flex; align-items:center; }
.logo-img{ height:100px; width:auto; display:block; }
.main-nav{ display:flex; align-items:center; gap:36px; }
.main-nav a{ font-size:.92rem; font-weight:500; color: var(--text-on-cream); opacity:.8; transition: opacity .25s, color .25s; }
.main-nav a:hover{ opacity:1; color: var(--gold-dark); }
.nav-cta{
  opacity:1 !important; background: var(--ink); color: var(--text-on-ink) !important;
  padding:11px 22px; border-radius:999px; transition: background .3s, color .3s, transform .3s;
}
.nav-cta:hover{ background: var(--gold); color: var(--ink) !important; transform: translateY(-1px); }

.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:none; padding:8px; z-index:101;
}
.nav-toggle span{ width:22px; height:2px; background: var(--text-on-cream); transition: transform .3s, opacity .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative; overflow:hidden;
  padding: 168px 0 100px;
  background:
    radial-gradient(1100px 480px at 85% -10%, rgba(201,162,75,.14), transparent 60%),
    var(--cream);
}
.hero::after{
  content:""; position:absolute; z-index:0; top:-8%; right:-6%; width:46%; aspect-ratio:764/932;
  background-color: var(--gold);
  -webkit-mask: url("../assets/images/logo-mark.svg") no-repeat center / contain;
  mask: url("../assets/images/logo-mark.svg") no-repeat center / contain;
  opacity:.08; pointer-events:none;
}
.hero-inner{
  position:relative; z-index:1;
  max-width: var(--container); margin:0 auto; padding: 0 32px;
  display:grid; grid-template-columns: 1fr 1fr; gap:64px; align-items:center;
}
.hero-title{
  font-family: var(--font-display); font-weight:100; font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height:1.12; letter-spacing:-.01em; margin: 0 0 24px;
}
.hero-sub{
  max-width:46ch; font-size:1.08rem; color: var(--text-on-cream-soft); margin-bottom:36px;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }

/* =========================================================
   Compare slider (before / after)
   ========================================================= */
.compare{
  position:relative; width:100%; aspect-ratio: 4 / 3.1; border-radius: var(--radius);
  overflow:hidden; box-shadow: 0 30px 70px -25px rgba(21,19,15,.45), 0 0 0 1px var(--paper-line);
  user-select:none; -webkit-user-select:none;
  background: var(--ink);
}
.compare-frame{ position:absolute; inset:0; }
.compare-after{ z-index:1; }
.compare-before{
  z-index:2;
  clip-path: inset(0 calc(100% - var(--pos, 50%)) 0 0);
}
.mock-browser{ width:100%; height:100%; display:flex; flex-direction:column; }
.mock-chrome{
  display:flex; align-items:center; gap:7px; padding:10px 14px; background:#e7e1d3; flex:0 0 auto;
}
.mock-chrome--old{ background:#d9d2c0; }
.mock-dot{ width:9px; height:9px; border-radius:50%; background:#c9bfa8; }
.mock-url{
  margin-left:10px; font-size:11px; font-family: var(--font-body); color:#7a715c;
  background:#f4efe4; padding:3px 10px; border-radius:6px; letter-spacing:.02em;
}
.mock-body{ position:relative; flex:1 1 auto; overflow:hidden; }

/* ---- NEW mockup ---- */
.mock-body--new{ background: #fbf9f4; padding: 22px 26px; }
.mock-new-nav{ display:flex; align-items:center; gap:26px; margin-bottom: 8%; }
.mock-new-logo{ font-family: var(--font-display); font-weight:600; font-size:.85rem; color:#221f19; margin-right:auto; }
.mock-new-link{ width:34px; height:6px; border-radius:4px; background:#d8d2c3; }
.mock-new-btn{
  font-size:.65rem; font-weight:600; padding:7px 14px; border-radius:999px; background: var(--gold); color:#221f19;
}
.mock-new-hero{ display:flex; flex-direction:column; gap:10px; margin-bottom:9%; }
.mock-new-line{ height:14px; border-radius:4px; background: linear-gradient(90deg,#221f19,#3a352a); }
.mock-new-line--big{ width:78%; height:20px; }
.mock-new-line--big.short{ width:52%; }
.mock-new-line--small{ width:60%; height:9px; background:#c7c0ac; margin-top:6px; }
.mock-new-cta{
  margin-top:12px; align-self:flex-start; font-size:.65rem; font-weight:600;
  padding:9px 18px; border-radius:999px; background:#221f19; color:#f7f2e9;
}
.mock-new-cards{ display:flex; gap:12px; }
.mock-card{ flex:1; aspect-ratio:1.3/1; border-radius:8px; background: linear-gradient(135deg,#efe7d6,#ddd4bd); }

/* ---- OLD mockup ---- */
.mock-body--old{
  background: linear-gradient(#f2f0e6,#e4e0d0);
  font-family: Georgia, "Times New Roman", serif;
  display:flex; flex-direction:column; height:100%;
}
.mock-old-banner{
  background: repeating-linear-gradient(45deg,#ffe14d,#ffe14d 10px,#221f19 10px,#221f19 20px);
  color:#221f19; font-size:.6rem; font-weight:700; text-align:center; padding:3px 0; letter-spacing:.03em;
}
.blink{ animation: blink 1s steps(1) infinite; }
@keyframes blink{ 50%{ opacity:0; } }
.mock-old-nav{
  background: linear-gradient(#4d78a8, var(--dated-blue));
  color:#eaf1fa; font-size:.62rem; padding:8px 12px; display:flex; gap:6px;
  text-shadow: 1px 1px 1px rgba(0,0,0,.35);
}
.mock-old-hero{ padding:10% 8% 4%; position:relative; }
.mock-old-title{
  font-size:1rem; font-weight:700; color:#1f3b57; text-shadow:1px 1px 0 #fff, 2px 2px 3px rgba(0,0,0,.25);
}
.mock-old-badge{
  position:absolute; top:8%; right:8%; background:#c62828; color:#fff; font-family: var(--font-body);
  font-size:.55rem; font-weight:700; padding:3px 8px; border-radius:3px; transform: rotate(-8deg);
  animation: blink 1.4s steps(1) infinite;
}
.mock-old-content{ padding:0 8%; display:flex; flex-direction:column; gap:8px; flex:1; }
.mock-old-block{ height:8px; background:#c7c2ac; width:90%; }
.mock-old-block:nth-child(2){ width:70%; }
.mock-old-btn{
  align-self:flex-start; margin-top:6px; font-family: var(--font-body); font-size:.6rem; font-weight:700;
  color:#22344a; background: linear-gradient(#fff,#c9d6e6); border:1px solid #7d94ab; padding:6px 14px;
  border-radius:3px; box-shadow: 0 2px 0 #7d94ab;
}
.mock-old-marquee{
  overflow:hidden; white-space:nowrap; background:#221f19; color:#ffe14d; font-family: var(--font-body);
  font-size:.55rem; padding:4px 0;
}
.mock-old-marquee span{ display:inline-block; padding-left:100%; animation: marquee 9s linear infinite; }
@keyframes marquee{ to{ transform: translateX(-100%); } }
.mock-old-footer{
  text-align:center; font-family: var(--font-body); font-size:.55rem; color:#6b6552; padding:6px 0; background:#dcd7c6;
}

/* ---- slider control ---- */
.compare-range{
  position:absolute; inset:0; width:100%; height:100%; margin:0; z-index:5;
  -webkit-appearance:none; appearance:none; background:transparent; cursor: ew-resize;
}
.compare-range::-webkit-slider-thumb{
  -webkit-appearance:none; width:56px; height:56px; opacity:0;
}
.compare-range::-moz-range-thumb{ width:56px; height:56px; opacity:0; border:none; }
.compare-handle{
  position:absolute; top:0; bottom:0; left: var(--pos, 50%); transform: translateX(-50%);
  width:3px; background: var(--cream); z-index:4; pointer-events:none;
  box-shadow: 0 0 0 1px rgba(0,0,0,.15);
}
.compare-handle::before, .compare-handle::after{ content:""; }
.compare-handle-arrows{
  position:absolute; top:50%; left:50%; transform: translate(-50%,-50%);
  width:42px; height:42px; border-radius:50%; background: var(--cream);
  display:flex; align-items:center; justify-content:center; font-size:.75rem; color: var(--ink);
  box-shadow: 0 6px 16px rgba(0,0,0,.25);
}
.compare-label{
  position:absolute; top:14px; z-index:4; font-size:.6rem; font-weight:700; letter-spacing:.12em;
  text-transform:uppercase; color:#fff; padding:5px 10px; border-radius:999px;
  pointer-events:none;
  background: rgba(21,19,15,.55);
}
.compare-label--before{ left:14px; background: red; }
.compare-label--after{ right:14px; background: green; }

/* =========================================================
   Services
   ========================================================= */
.services-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:28px; margin-top:56px; }
.service-card{
  position:relative; background: var(--cream-soft); border:1px solid var(--paper-line);
  border-radius: var(--radius); padding:42px; transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.service-card:hover{ transform: translateY(-6px); box-shadow: 0 24px 48px -28px rgba(21,19,15,.25); }
.service-card--featured{ background: var(--ink); color: var(--text-on-ink); border-color: transparent; }
.service-card--featured p{ color: var(--text-on-ink-soft); }
.service-tag{
  display:inline-block; margin-bottom:16px; font-size:.7rem; font-weight:700; letter-spacing:.1em;
  text-transform:uppercase; color:var(--ink); background: var(--gold); padding:5px 12px; border-radius:999px;
}
.service-card h3{ font-family: var(--font-display); font-size:1.5rem; font-weight:500; margin-bottom:14px; }
.service-card p{ color: var(--text-on-cream-soft); margin-bottom:26px; }
.service-list li{
  position:relative; padding-left:22px; margin-bottom:12px; font-size:.94rem;
}
.service-list li::before{
  content:""; position:absolute; left:0; top:9px; width:9px; height:9px; border-radius:50%; background: var(--gold);
}

/* =========================================================
   Process (approche)
   ========================================================= */
.process{
  margin-top:64px; display:grid; grid-template-columns: repeat(5,1fr); gap:28px; counter-reset:step;
  position:relative;
}
.process::before{
  content:""; position:absolute; top:20px; left:6%; right:6%; height:0;
  border-top: 1px solid var(--ink-line);
}
.process-step{ position:relative; z-index:1; }
.process-num{
  display:flex; align-items:center; justify-content:center; width:40px; height:40px; border-radius:50%;
  background: var(--ink); border:2px solid var(--gold); color: var(--gold-bright);
  font-family: var(--font-display); font-size:.95rem; margin-bottom:22px;
}
.process-step h3{ font-family: var(--font-display); font-size:1.15rem; font-weight:500; margin-bottom:10px; }
.process-step p{ font-size:.9rem; color: var(--text-on-ink-soft); }

/* =========================================================
   Portfolio
   ========================================================= */
.portfolio-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap:28px; margin-top:56px; }
.portfolio-card{
  background: var(--cream-soft); border:1px solid var(--paper-line); border-radius: var(--radius);
  overflow:hidden; transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.portfolio-card:hover{ transform: translateY(-6px); box-shadow: 0 24px 48px -28px rgba(21,19,15,.25); }
.portfolio-thumb{ aspect-ratio: 16/10; background: linear-gradient(135deg,#e7e0cd,#d3caae); position:relative; }
.portfolio-thumb--icon{ display:flex; flex-direction:column; }
.portfolio-chrome{
  display:flex; align-items:center; gap:6px; padding:9px 12px; background:#e7e1d3; flex:0 0 auto;
}
.portfolio-chrome .mock-url{ margin-left:8px; }
.portfolio-icon-wrap{ flex:1; display:flex; align-items:center; justify-content:center; }
.portfolio-icon{ width:64px; height:64px; color: var(--gold-dark); opacity:.85; }
.portfolio-card h3{ font-family: var(--font-display); font-size:1.1rem; font-weight:500; margin:24px 26px 10px; }
.portfolio-card p{ font-size:.9rem; color: var(--text-on-cream-soft); margin:0 26px 18px; }
.portfolio-link{
  display:inline-block; margin:0 26px 26px; font-size:.85rem; font-weight:600; color: var(--gold-dark);
  transition: color .25s;
}
.portfolio-link:hover{ color: var(--gold); }

/* =========================================================
   About
   ========================================================= */
.about-visual{ display:flex; justify-content:center; }
.about-frame{
  width:100%; max-width:340px; aspect-ratio:1; border-radius:50%;
  background: var(--ink); display:flex; align-items:center; justify-content:center;
  box-shadow: 0 30px 60px -30px rgba(21,19,15,.4);
  border: 6px solid var(--cream-soft);
  outline: 1px solid var(--gold);
  outline-offset: 14px;
}
.about-mark{ width:34%; height:34%; fill: var(--gold); overflow:visible; }
.about-copy p{ margin-bottom:18px; color: var(--text-on-cream-soft); }
.about-copy .section-title{ margin: 0 0 22px; }

/* =========================================================
   FAQ
   ========================================================= */
.section-inner--narrow{ max-width:760px; }
.faq-list{ margin-top:48px; display:flex; flex-direction:column; gap:14px; }
.faq-item{
  background: var(--cream-soft); border:1px solid var(--paper-line); border-radius: var(--radius);
  padding: 22px 26px;
}
.faq-item summary{
  cursor:pointer; list-style:none; font-family: var(--font-display); font-weight:500; font-size:1.05rem;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content:"+"; flex:0 0 auto; width:28px; height:28px; border-radius:50%; border:1px solid var(--gold-dark);
  color: var(--gold-dark); display:flex; align-items:center; justify-content:center; font-size:1.1rem;
  transition: transform .3s var(--ease);
}
.faq-item[open] summary::after{ content:"\2212"; }
.faq-item p{ margin-top:16px; color: var(--text-on-cream-soft); font-size:.95rem; }

/* =========================================================
   Contact
   ========================================================= */
.contact-grid{ display:grid; grid-template-columns: 1.3fr 1fr; gap:48px; margin-top:56px; }
.contact-form{
  background: var(--ink-soft); border:1px solid var(--ink-line); border-radius: var(--radius); padding:38px;
  display:flex; flex-direction:column; gap:20px;
}
.form-row{ display:flex; flex-direction:column; gap:8px; }
.form-row label{ font-size:.82rem; font-weight:500; color: var(--text-on-ink-soft); }
.form-row input, .form-row textarea{
  background: rgba(247,242,233,.06); border:1px solid var(--ink-line); border-radius:8px; padding:13px 14px;
  color: var(--text-on-ink); resize:vertical; transition: border-color .25s;
}
.form-row input:focus, .form-row textarea:focus{ outline:none; border-color: var(--gold); }
.form-honeypot{
  position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden;
}
.form-status{ font-size:.85rem; min-height:1.2em; color: var(--text-on-ink-soft); }
.form-status--success{ color: var(--gold-bright); }
.form-status--error{ color: #e08a6a; }
.contact-info{ display:flex; flex-direction:column; gap:28px; justify-content:center; }
.contact-info-item{ display:flex; flex-direction:column; gap:6px; }
.contact-info-label{ font-size:.72rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color: var(--gold-bright); }
.contact-info-item a, .contact-info-item span{ font-size:1.05rem; }
.contact-info-item a:hover{ color: var(--gold-bright); }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ background: var(--ink); color: var(--text-on-ink-soft); padding:48px 0; }
.footer-inner{
  max-width: var(--container); margin:0 auto; padding:0 32px;
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:20px;
}
.logo--footer{ color: var(--text-on-ink); }
.footer-nav{ display:flex; gap:26px; flex-wrap:wrap; }
.footer-nav a{ font-size:.88rem; opacity:.8; }
.footer-nav a:hover{ opacity:1; color: var(--gold-bright); }
.footer-copy{ font-size:.82rem; opacity:.7; width:100%; text-align:center; margin-top:8px; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px){
  .section{ padding:96px 0; }
  .hero{ padding:150px 0 80px; }
  .hero-inner{ grid-template-columns:1fr; gap:48px; }
  .hero-visual{ order:-1; }
  .section-inner--split{ grid-template-columns:1fr; }
  .about-visual{ order:-1; }
  .services-grid{ grid-template-columns:1fr; }
  .process{ grid-template-columns: repeat(2,1fr); row-gap:36px; }
  .process::before{ display:none; }
  .portfolio-grid{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }

  .main-nav{
    position:fixed; inset:0; top:0; z-index:99; background: var(--ink);
    display:flex; flex-direction:column; align-items:center; justify-content:center; gap:32px;
    transform: translateY(-100%); opacity:0; pointer-events:none;
    transition: transform .45s var(--ease), opacity .3s;
  }
  .main-nav.is-open{ transform:none; opacity:1; pointer-events:auto; }
  .main-nav a{ color: var(--text-on-ink); font-family: var(--font-display); font-size:1.6rem; opacity:1; }
  .nav-cta{ background: var(--gold); color: var(--ink) !important; }
  .nav-toggle{ display:flex; }
  .nav-toggle span{ background: var(--text-on-cream); }
  .site-header.is-scrolled .nav-toggle span, body.nav-open .nav-toggle span{ background: var(--text-on-cream); }
  body.nav-open .nav-toggle span{ background: var(--text-on-ink); }
}

@media (max-width: 620px){
  .header-inner{ padding:0 20px; }
  .section-inner, .hero-inner{ padding:0 20px; }
  .process{ grid-template-columns:1fr; }
  .hero-title{ font-size:1.9rem; }
}