/* ===== OakRidge Conseil — Swiss-precision consulting ===== */
:root{
  --paper:#F5F5F3;
  --surface:#FFFFFF;
  --surface-2:#ECECE8;
  --line:#D9D9D3;
  --line-strong:#C4C4BC;
  --ink:#1A1A1A;
  --ink-soft:#5A5A54;
  --ink-mute:#8A8A82;
  --accent:#3B4A5A;
  --accent-deep:#2A3641;
  --gold:#9A7E3F;
  --max:1240px;
  --gut:32px;
  --r:2px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Archivo","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.02em;line-height:1.08}
em{font-style:italic}

.grid-wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}

.eyebrow{
  font-family:"IBM Plex Mono",monospace;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-soft);display:flex;align-items:center;gap:12px;margin:0 0 22px;
}
.eyebrow .tick{
  color:var(--gold);font-weight:500;
  padding-right:12px;border-right:1px solid var(--line-strong);
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:500;letter-spacing:.02em;
  padding:14px 26px;border-radius:var(--r);border:1px solid transparent;
  cursor:pointer;transition:.25s var(--ease);font-family:inherit;
}
.btn-solid{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-solid:hover{background:var(--accent);border-color:var(--accent)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--ink);background:var(--surface)}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,button:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;
}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(245,245,243,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{display:flex}
.brand-text{font-weight:700;font-size:18px;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-weight:400;color:var(--ink-mute)}
.main-nav{margin-left:auto;display:flex;gap:30px}
.main-nav a{font-size:14px;color:var(--ink-soft);position:relative;padding:4px 0}
.main-nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--ink);transition:width .25s var(--ease)}
.main-nav a:hover{color:var(--ink)}
.main-nav a:hover::after{width:100%}
.nav-cta{font-size:14px;font-weight:500;padding:10px 20px;border:1px solid var(--line-strong);border-radius:var(--r);transition:.25s var(--ease)}
.nav-cta:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.menu-toggle span{width:22px;height:2px;background:var(--ink);transition:.25s var(--ease)}

/* ===== Hero ===== */
.hero{border-bottom:1px solid var(--line);overflow:hidden}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:64px;
  padding-top:72px;padding-bottom:24px;align-items:center;
}
h1{font-size:clamp(2.4rem,5vw,4rem)}
h1 em{font-family:"Spectral",Georgia,serif;font-weight:400;color:var(--accent)}
.lede{font-size:1.12rem;color:var(--ink-soft);max-width:30em;margin:26px 0 32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-metrics{display:flex;gap:38px;margin:48px 0 0;padding-top:30px;border-top:1px solid var(--line)}
.hero-metrics dt{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:8px}
.hero-metrics dd{margin:0;font-size:2rem;font-weight:600;letter-spacing:-.03em}
.hero-metrics dd span{color:var(--gold);font-size:1.3rem}
.hero-figure{position:relative;margin:0;border:1px solid var(--line);background:var(--surface)}
.hero-figure img{aspect-ratio:4/5;object-fit:cover;width:100%}
.hero-figure figcaption{
  font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--ink-soft);
  padding:14px 16px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:3px;
}
.hero-figure .coord{color:var(--gold);letter-spacing:.05em}
.ticker{
  display:flex;gap:0;border-top:1px solid var(--line);
  font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute);
}
.ticker span{padding:16px 0;flex:1;text-align:center;border-right:1px solid var(--line)}
.ticker span:last-child{border-right:none}

/* ===== Trust ===== */
.trust{background:var(--ink);color:#fff}
.trust-inner{display:flex;align-items:center;gap:40px;padding:26px var(--gut);flex-wrap:wrap}
.trust-label{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);margin:0}
.trust-list{display:flex;gap:34px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.trust-list li{font-size:14px;color:#E4E4E0;position:relative;padding-left:16px}
.trust-list li::before{content:"";position:absolute;left:0;top:50%;width:5px;height:5px;background:var(--gold);transform:translateY(-50%)}

/* ===== Sections ===== */
.section{padding:96px 0;border-bottom:1px solid var(--line)}
.section-head{max-width:46em;margin-bottom:56px}
.section-head h2{font-size:clamp(1.9rem,3.5vw,2.7rem);margin-top:6px}
.section-head h2 em{font-family:"Spectral",Georgia,serif;font-weight:400;color:var(--accent)}
.section-sub{color:var(--ink-soft);font-size:1.05rem;margin:20px 0 0;max-width:40em}

/* ===== Method steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;list-style:none;margin:0;padding:0;border:1px solid var(--line);background:var(--surface)}
.step{padding:34px 28px;border-right:1px solid var(--line);transition:.3s var(--ease)}
.step:last-child{border-right:none}
.step:hover{background:var(--surface-2)}
.step-num{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--gold);display:block;margin-bottom:30px}
.step h3{font-size:1.25rem;margin-bottom:12px}
.step p{font-size:.95rem;color:var(--ink-soft);margin:0}

/* ===== Expertises ===== */
.exp-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.exp-card{border:1px solid var(--line);background:var(--surface);overflow:hidden;transition:.3s var(--ease)}
.exp-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.exp-card img{aspect-ratio:3/2;object-fit:cover;width:100%;filter:grayscale(.25) contrast(1.02);transition:.5s var(--ease)}
.exp-card:hover img{filter:grayscale(0)}
.exp-body{padding:26px 28px}
.exp-body h3{font-size:1.3rem;margin-bottom:10px}
.exp-body p{color:var(--ink-soft);font-size:.97rem;margin:0}
.exp-wide{grid-column:1 / -1}
.exp-wide img{aspect-ratio:16/6}

/* ===== Pricing ===== */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);background:var(--surface)}
.price-card{padding:42px 34px;border-right:1px solid var(--line);position:relative;display:flex;flex-direction:column}
.price-card:last-child{border-right:none}
.price-featured{background:var(--ink);color:#fff}
.price-flag{position:absolute;top:0;right:0;font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.12em;text-transform:uppercase;background:var(--gold);color:#1A1A1A;padding:6px 12px}
.price-head h3{font-size:1.4rem;margin-bottom:8px}
.price-desc{font-size:.9rem;color:var(--ink-soft);margin:0 0 24px}
.price-featured .price-desc{color:#B9B9B2}
.price{display:flex;align-items:baseline;gap:8px;margin:0 0 28px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.price-featured .price{border-color:rgba(255,255,255,.18)}
.price .amount{font-size:2.3rem;font-weight:600;letter-spacing:-.03em}
.price .unit{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--ink-mute);letter-spacing:.08em}
.price-list{list-style:none;margin:0 0 32px;padding:0;flex:1}
.price-list li{font-size:.94rem;color:var(--ink-soft);padding:10px 0 10px 22px;position:relative;border-bottom:1px solid var(--line)}
.price-featured .price-list li{color:#D7D7D2;border-color:rgba(255,255,255,.12)}
.price-list li::before{content:"→";position:absolute;left:0;color:var(--gold)}
.price-btn{width:100%}
.price-foot{margin:28px 0 0;font-size:.9rem;color:var(--ink-soft)}
.price-foot a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.contact-info .section-sub{margin-bottom:34px}
.contact-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.contact-list li{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.contact-key{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);padding-top:3px}
.contact-val{font-size:.98rem;color:var(--ink)}
.contact-val a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}

.contact-form{background:var(--surface);border:1px solid var(--line);padding:38px}
.field{margin-bottom:20px;display:flex;flex-direction:column}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field label,.consent span{font-size:.9rem;color:var(--ink-soft)}
.field label{margin-bottom:8px;font-weight:500;color:var(--ink)}
.field input,.field textarea,.field select{
  font-family:inherit;font-size:15px;padding:13px 14px;
  border:1px solid var(--line-strong);border-radius:var(--r);background:var(--paper);color:var(--ink);
  transition:.2s var(--ease);
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);background:#fff}
.field textarea{resize:vertical}
.field-error{font-size:.8rem;color:#A6342B;margin-top:6px;min-height:1em}
.consent{display:flex;gap:12px;align-items:flex-start;margin:6px 0 24px;cursor:pointer}
.consent input{margin-top:3px;accent-color:var(--accent);width:16px;height:16px;flex-shrink:0}
.consent a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.form-submit{width:100%}
.form-status{font-size:.92rem;margin:16px 0 0;min-height:1.2em}
.form-status.ok{color:#2F6B4F}
.form-status.err{color:#A6342B}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:#C9C9C3;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.3fr 1.1fr;gap:44px;padding-bottom:54px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .brand-text{color:#fff;font-size:20px}
.footer-brand .brand-text em{color:var(--ink-mute)}
.footer-brand p{margin:16px 0 0;font-size:.92rem;max-width:24em;color:#9A9A92}
.footer-col h4{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:18px;font-weight:500}
.footer-col a,.footer-col p{display:block;font-size:.93rem;color:#C9C9C3;margin-bottom:11px;transition:color .2s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-base{display:flex;justify-content:space-between;padding:24px var(--gut);font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.08em;color:var(--ink-mute);max-width:var(--max);margin:0 auto}

/* ===== Cookie banner ===== */
.cookie-banner{position:fixed;left:0;right:0;bottom:0;z-index:80;background:var(--surface);border-top:1px solid var(--line-strong);box-shadow:0 -8px 40px rgba(0,0,0,.08)}
.cookie-inner{max-width:var(--max);margin:0 auto;padding:20px var(--gut);display:flex;align-items:center;gap:28px}
.cookie-inner p{margin:0;font-size:.9rem;color:var(--ink-soft);flex:1}
.cookie-inner a{color:var(--accent);text-decoration:underline}
.cookie-actions{display:flex;gap:12px;flex-shrink:0}
.cookie-btn{padding:11px 22px}

/* ===== Legal pages ===== */
.legal{padding:64px 0 96px}
.legal-wrap{max-width:780px}
.legal .eyebrow{margin-bottom:18px}
.legal h1{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:14px}
.legal .updated{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--ink-mute);margin-bottom:40px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.legal h2{font-size:1.4rem;margin:42px 0 14px}
.legal h3{font-size:1.1rem;margin:26px 0 10px}
.legal p,.legal li{color:var(--ink-soft);font-size:1rem}
.legal ul{padding-left:20px}
.legal li{margin-bottom:8px}
.legal a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.legal .back{display:inline-flex;align-items:center;gap:8px;margin-top:48px;font-size:.9rem;font-family:"IBM Plex Mono",monospace;color:var(--accent)}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-figure{order:-1;max-width:480px}
  .contact-grid{grid-template-columns:1fr;gap:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2){border-right:none}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line)}
  .price-grid{grid-template-columns:1fr}
  .price-card{border-right:none;border-bottom:1px solid var(--line)}
  .price-card:last-child{border-bottom:none}
}
@media(max-width:760px){
  :root{--gut:20px}
  .main-nav,.nav-cta{display:none}
  .menu-toggle{display:flex;margin-left:auto}
  .main-nav.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--line);padding:18px var(--gut);gap:6px}
  .main-nav.open a{padding:12px 0;border-bottom:1px solid var(--line)}
  .section{padding:64px 0}
  .exp-grid{grid-template-columns:1fr}
  .hero-metrics{flex-wrap:wrap;gap:26px}
  .ticker{flex-wrap:wrap}
  .ticker span{flex:1 1 33%;border-bottom:1px solid var(--line)}
  .cookie-inner{flex-direction:column;align-items:stretch;gap:16px}
  .cookie-actions{justify-content:stretch}
  .cookie-btn{flex:1}
  .footer-base{flex-direction:column;gap:8px}
  .contact-list li{grid-template-columns:1fr}
}
@media(max-width:480px){
  .steps{grid-template-columns:1fr}
  .step{border-right:none!important;border-bottom:1px solid var(--line)!important}
  .step:last-child{border-bottom:none!important}
  .field-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}