/* =========================================================
   OSCENT — Enterprise minimal design (SLO/EN)
   Conservative, C-level friendly. No gimmicks.
   ========================================================= */

:root{
  --bg:#ffffff;
  --ink:#0f1720;
  --muted:#5b6673;
  --line:#e6e9ee;
  --card:#f6f8fb;
  --accent:#0b3d91; /* corporate navy */
  --accent-2:#0d6efd; /* actionable blue */
  --success:#007a5a;
  --danger:#a40028;
  --focus:#2b8aeb;

  --step--1: clamp(.85rem,.78rem + .3vw,.95rem);
  --step-0 : clamp(1.00rem,.95rem + .4vw,1.10rem);
  --step-1 : clamp(1.20rem,1.10rem + .6vw,1.40rem);
  --step-2 : clamp(1.44rem,1.30rem + .8vw,1.80rem);
  --step-3 : clamp(1.80rem,1.55rem + 1.0vw,2.20rem);
  --step-4 : clamp(2.20rem,1.90rem + 1.4vw,2.80rem);

  --radius: 10px;
  --shadow-sm: 0 2px 10px rgba(0,0,0,.05);
  --shadow-md: 0 10px 30px rgba(0,0,0,.08);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.12);

  --max-body: 1240px;
  --max-text: 960px;
}

*,
*::before,
*::after{ box-sizing: border-box; }

html,body{ height: 100%; }

body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
               Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  font-size: var(--step-0);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a{ color: var(--accent); text-decoration: none; }
a:hover{ color: var(--accent-2); }

.container{ width: min(100%, var(--max-body)); margin-inline: auto; padding-inline: 24px; }

.stack{ display: grid; gap: 24px; }
.stack-lg{ display: grid; gap: 48px; }
.text-center{ text-align: center; }
.muted{ color: var(--muted); }
.divider{ height:1px; background: var(--line); width:100%; }

/* Header / Nav */
.site-header{
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: saturate(1.1) blur(6px);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav{
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.brand{ display: inline-flex; align-items: center; gap: 12px; color: var(--ink); }
.brand-mark{
  width: 36px; height: 36px; border-radius: 50%;
  background: radial-gradient(120% 120% at 20% 20%, #1952c7 0%, #0b3d91 45%, #04275c 100%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.5), var(--shadow-sm);
}
.brand-name{ font-weight: 700; letter-spacing: .2px; }

.nav-links{ display: flex; align-items: center; gap: 22px; }
.nav-links a{ padding: 8px 6px; border-radius: 6px; }
.nav-links a:hover{ background: var(--card); }

.nav-cta{
  display: inline-flex; align-items: center; gap:10px;
  background: var(--accent); color: #fff !important; padding: 10px 16px;
  border-radius: 10px; font-weight: 600; box-shadow: var(--shadow-sm);
}
.nav-cta:hover{ background: var(--accent-2); }

.lang-switch{
  display:inline-flex; gap:8px; align-items:center; margin-left:8px;
  border-left:1px solid var(--line); padding-left:12px;
}
.lang-switch button{
  border:1px solid var(--line); background:#fff; color:var(--ink);
  border-radius:8px; padding:6px 10px; cursor:pointer; font-weight:600;
}
.lang-switch button[aria-pressed="true"]{
  background: var(--accent); color:#fff; border-color: transparent;
}

/* Hero */
.hero{
  position: relative; isolation: isolate;
  min-height: 78svh; display:grid; place-items:center;
  background:
    linear-gradient(180deg, rgba(0,0,0,.40) 0%, rgba(0,0,0,.55) 100%),
    url("hero.jpg") center/cover no-repeat fixed;
  color:#fff;
  border-bottom:1px solid var(--line);
}
.hero-inner{ text-align:center; width:min(100%, var(--max-text)); padding: 90px 0; }
.eyebrow{
  display:inline-block; letter-spacing:.12em; text-transform:uppercase;
  font-size: var(--step--1); color:#dfe7f2; background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15); padding:6px 10px; border-radius:999px;
}
.hero h1{ font-size: var(--step-4); line-height:1.1; margin:18px 0 12px; font-weight:700; text-wrap:balance; }
.hero .lead{ color:#e6ebf3; font-size: var(--step-1); margin:0 auto 22px; max-width: 58ch; }

.hero-actions{ display:flex; gap:14px; align-items:center; justify-content:center; flex-wrap:wrap; }
.btn{
  --btn-bg: var(--accent);
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  background: var(--btn-bg); color:#fff; font-weight:600;
  padding: 14px 20px; border-radius:10px; box-shadow:var(--shadow-sm);
  transition: background .2s ease, transform .06s ease, box-shadow .2s ease;
  border:none; cursor:pointer;
}
.btn:hover{ background: var(--accent-2); box-shadow: var(--shadow-md); }
.btn:active{ transform: translateY(1px); }
.btn-outline{
  --btn-bg: transparent; color:#fff; border:1px solid rgba(255,255,255,.5); background:transparent;
}
.btn-outline:hover{ background: rgba(255,255,255,.10); }

.hero-meta{ margin-top:14px; opacity:.85; }

/* Metrics */
.metrics{ background: var(--card); border-bottom:1px solid var(--line); }
.metrics-inner{
  display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:18px;
  padding: 28px 0;
}
.metric{
  background:#fff; border:1px solid var(--line); border-radius:10px;
  padding:18px; text-align:center; box-shadow:var(--shadow-sm);
}
.metric strong{ font-size: var(--step-3); color:var(--accent); display:block; line-height:1.1; }
.metric span{ color:var(--muted); display:block; }

/* Sections */
.section{ padding: 72px 0; }
.section-head{ margin-bottom: 28px; }
.section-head h2{ font-size: var(--step-3); margin:0 0 6px; font-weight:700; }
.section-head p{ margin:0; color:var(--muted); }

/* Capabilities */
.caps-grid{
  display:grid; gap:22px; grid-template-columns: repeat(3, minmax(0, 1fr));
}
.cap{
  background: var(--card); border:1px solid var(--line); border-radius:10px;
  padding:24px; box-shadow: var(--shadow-sm);
  display:grid; gap:10px;
}
.cap h3{ font-size: var(--step-1); color: var(--accent); margin:0; }
.cap p{ margin:0; color: var(--muted); }

/* Industries */
.industries{ background:#fff; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.industries-list{
  display:grid; grid-template-columns:repeat(6,minmax(0,1fr)); gap:12px; padding: 10px 0 6px;
}
.industry{
  background:#fff; border:1px solid var(--line); border-radius:10px; padding:16px; text-align:center;
}

/* Standards */
.standards{ background: var(--card); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.badge-row{ display:flex; flex-wrap:wrap; gap:10px; }
.badge{
  display:inline-flex; align-items:center; gap:10px;
  border:1px solid var(--line); background:#fff; border-radius:999px;
  padding:8px 12px; color:var(--ink); box-shadow:var(--shadow-sm); font-weight:600;
}
.badge .dot{
  width:8px; height:8px; border-radius:50%; background: var(--success);
  box-shadow:0 0 0 3px color-mix(in srgb, var(--success) 20%, transparent);
}

/* Cases */
.cases{ background:#fff; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.case-grid{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:22px; }
.case{
  border:1px solid var(--line); border-radius:10px; background:var(--card);
  padding:24px; box-shadow:var(--shadow-sm); display:grid; gap:10px;
}
.case h3{ margin:0; color:var(--accent); }
.case .meta{ color:var(--muted); font-size:.95em; }
.case ul{ margin:0; padding-left:18px; }
.case li{ margin:6px 0; }

/* Process */
.process{ background:#fff; }
.timeline{ display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:18px; }
.step{
  background: var(--card); border:1px solid var(--line); border-radius:10px;
  padding:22px; box-shadow:var(--shadow-sm);
}
.step strong{ color:var(--accent); display:block; margin-bottom:6px; }

/* Insights */
.insights{ background: var(--card); border-top:1px solid var(--line); }
.article-grid{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px; }
.article{
  background:#fff; border:1px solid var(--line); border-radius:10px;
  padding:18px; box-shadow:var(--shadow-sm); display:grid; gap:8px;
}
.article a{ color:var(--accent); font-weight:600; }
.article time{ color:var(--muted); font-size:.9em; }

/* One-pager */
#onepager p .btn{ margin-top:10px; }

/* Contact */
.contact{ background:#fff; border-top:1px solid var(--line); }
.contact-grid{ display:grid; grid-template-columns:1.2fr .8fr; gap:24px; }
.contact-form{
  display:grid; gap:14px; background:var(--card); border:1px solid var(--line);
  border-radius:10px; padding:18px; box-shadow:var(--shadow-sm);
}
.form-row{ display:grid; gap:14px; grid-template-columns:1fr 1fr; }
.field{ display:grid; gap:6px; }
.field label{ font-weight:600; }
.field input, .field textarea, .field select{
  appearance:none; border:1px solid var(--line); background:#fff; color:var(--ink);
  padding:12px 12px; border-radius:8px; font-size:1rem; transition: outline-color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.field input:focus, .field textarea:focus, .field select:focus{
  outline:3px solid color-mix(in srgb, var(--focus) 20%, transparent);
  border-color: var(--focus);
  box-shadow:0 0 0 3px color-mix(in srgb, var(--focus) 10%, transparent);
}
.required::after{ content:" *"; color:#a40028; }
.form-actions{ display:flex; gap:12px; align-items:center; flex-wrap:wrap; }
.aside{
  background:var(--card); border:1px solid var(--line); border-radius:10px;
  padding:18px; box-shadow:var(--shadow-sm); display:grid; gap:10px; height:fit-content;
}

/* Footer */
.site-footer{ background:#fff; border-top:1px solid var(--line); padding:28px 0; }
.foot{
  display:grid; grid-template-columns:1fr auto; gap:18px; align-items:center; color:var(--muted);
}
.foot .links{ display:flex; gap:16px; flex-wrap:wrap; }

/* Responsiveness */
@media (max-width: 1200px){
  .caps-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .timeline{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .case-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .article-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .industries-list{ grid-template-columns: repeat(3, minmax(0,1fr)); }
  .metrics-inner{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 700px){
  .caps-grid{ grid-template-columns: 1fr; }
  .timeline{ grid-template-columns: 1fr; }
  .case-grid{ grid-template-columns: 1fr; }
  .article-grid{ grid-template-columns: 1fr; }
  .industries-list{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .metrics-inner{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns: 1fr; }
  .nav-links{ gap: 14px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
}