/* ============================================================
   OPUS VALIO — shared stylesheet
   Tokens pulled directly from the brand guidelines:
   Shadow Grey / Tropical Teal / Pearl Aqua / Mint Cream / Taupe Grey
   Josefin Slab (display) + Signika Negative (body/UI) + Yrsa (quotes)
   ============================================================ */

:root{
  --ink:        #32292F; /* Shadow Grey   — primary text, dark surfaces */
  --accent:     #70ABAF; /* Tropical Teal — CTAs, signals, links */
  --accent-2:   #99E1D9; /* Pearl Aqua    — secondary accent, dividers */
  --bg:         #F0F7F4; /* Mint Cream    — primary background */
  --taupe:      #705D56; /* Taupe Grey    — supporting neutral */

  --panel:      #FFFFFF;
  --border:     rgba(50,41,47,0.14);
  --border-soft:rgba(50,41,47,0.08);
  --ink-soft:   rgba(50,41,47,0.68);
  --ink-faint:  rgba(50,41,47,0.46);

  --font-display: 'Josefin Slab', Georgia, serif;
  --font-body:    'Signika Negative', -apple-system, 'Segoe UI', sans-serif;
  --font-quote:   'Yrsa', Georgia, serif;

  --max: 1180px;
  --pad: 28px;

  --ease: cubic-bezier(0.23, 1, 0.32, 1);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html, body{ margin:0; padding:0; }

body{
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg{ max-width:100%; display:block; }

a{ color: inherit; text-decoration: none; }

::selection{ background: var(--accent-2); color: var(--ink); }

:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
  color: var(--ink);
  line-height: 1.08;
}

h1{ font-size: 56px; letter-spacing: -0.02em; }
h2{ font-size: 34px; letter-spacing: -0.01em; }
h3{ font-size: 22px; }
h4{ font-size: 18px; font-family: var(--font-body); font-weight: 600; }

p{ margin: 0 0 1em; max-width: 62ch; }
p:last-child{ margin-bottom: 0; }

.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* ---------- header ---------- */

.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(240,247,244,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-soft);
}

.site-header .bar{
  display:flex; align-items:center; justify-content:space-between;
  padding: 16px var(--pad);
  max-width: var(--max);
  margin: 0 auto;
}

.brand{ display:flex; align-items:center; gap:12px; }
.brand svg{ width:44px; height:44px; flex-shrink:0; }
.brand span{
  font-family: var(--font-display);
  font-weight:600; font-size:24px; letter-spacing:0.02em;
}

.main-nav{ display:flex; align-items:center; gap:34px; }
.main-nav ul{ list-style:none; display:flex; gap:30px; margin:0; padding:0; }
.main-nav a{
  font-size: 15px; font-weight: 500; color: var(--ink-soft);
  transition: color 150ms var(--ease);
}
.main-nav a:hover, .main-nav a[aria-current="page"]{ color: var(--ink); }
.main-nav a[aria-current="page"]{ font-weight:600; }

.nav-toggle{
  display:none; background:none; border:none; cursor:pointer;
  width:40px; height:40px; padding:8px;
}
.nav-toggle span{
  display:block; width:100%; height:2px; background:var(--ink);
  margin:6px 0; transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}

/* ---------- buttons ---------- */

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family: var(--font-body); font-weight:600; font-size:15px;
  padding: 13px 26px; border-radius: 999px;
  border: 1px solid transparent;
  cursor:pointer; white-space:nowrap;
  transition: transform 150ms var(--ease), background 150ms var(--ease), border-color 150ms var(--ease), color 150ms var(--ease);
}
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0); }

.btn-primary{ background: var(--accent); color: #FFFFFF; }
.btn-primary:hover{ background: #5f9599; }

.btn-ghost{ background: transparent; color: var(--ink); border-color: var(--border); }
.btn-ghost:hover{ border-color: var(--ink); }

.btn-dark{ background: var(--ink); color: var(--bg); }
.btn-dark:hover{ background: #221c20; }

.btn svg{ width:16px; height:16px; }

/* ---------- kicker / labels ---------- */

.kicker{
  font-size: 12.5px; font-weight:600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent);
  display:flex; align-items:center; gap:8px;
}
.kicker::before{
  content:""; width:16px; height:1px; background: var(--accent);
}

/* ---------- hero ---------- */

.hero{
  padding: 76px 0 84px;
  border-bottom: 1px solid var(--border-soft);
}
.hero-grid{
  display:grid; grid-template-columns: 1.35fr 0.9fr; gap: 56px; align-items:start;
}
.hero h1{ margin: 18px 0 22px; }
.hero .lede{ font-size:18px; color: var(--ink-soft); max-width: 46ch; }
.hero .cta-row{ display:flex; gap:14px; margin-top:30px; flex-wrap:wrap; }

.ledger{
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 4px;
  overflow:hidden;
}
.ledger-row{
  display:flex; justify-content:space-between; align-items:baseline;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border-soft);
}
.ledger-row:last-child{ border-bottom:none; }
.ledger-row .num{
  font-family: var(--font-display); font-weight:600; font-size:26px; color: var(--ink);
}
.ledger-row .label{ font-size:13.5px; color: var(--ink-faint); text-align:right; max-width:52%; }

/* ---------- sections ---------- */

section{ padding: 74px 0; }
section.tight{ padding: 54px 0; }
.section-head{ max-width: 640px; margin-bottom: 44px; }
.section-head h2{ margin-top:14px; }
.section-head p{ margin-top:14px; color: var(--ink-soft); font-size:17px; }

.alt{ background: var(--panel); border-top:1px solid var(--border-soft); border-bottom:1px solid var(--border-soft); }
.dark{ background: var(--ink); color: var(--bg); }
.dark h2, .dark h3, .dark h4{ color: var(--bg); }
.dark p{ color: rgba(240,247,244,0.72); }
.dark .kicker{ color: var(--accent-2); }
.dark .kicker::before{ background: var(--accent-2); }

/* ---------- values / grid list ---------- */

.value-list{
  display:grid; grid-template-columns: repeat(2, 1fr); gap: 0;
  border-top: 1px solid var(--border);
}
.value-item{
  padding: 28px 26px 28px 0;
  border-bottom: 1px solid var(--border);
}
.value-item:nth-child(odd){ padding-right: 40px; border-right: 1px solid var(--border); padding-left: 0; }
.value-item:nth-child(even){ padding-left: 40px; }
.value-item h3{ margin-bottom:10px; }
.value-item p{ color: var(--ink-soft); font-size:15.5px; }

/* ---------- timeline (case study) ---------- */

.timeline{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border-top: 2px solid var(--ink);
  margin-top: 40px;
}
.timeline-item{
  padding: 20px 22px 0; border-left: 1px solid var(--border);
  position:relative;
}
.timeline-item:first-child{ border-left:none; }
.timeline-item::before{
  content:""; position:absolute; top:-2px; left:-1px;
  width:9px; height:9px; border-radius:50%;
  background: var(--accent);
}
.timeline-item .year{ font-family: var(--font-display); font-weight:600; font-size:20px; }
.timeline-item .desc{ font-size:14.5px; color: var(--ink-soft); margin-top:8px; }

/* ---------- process steps ---------- */

.steps{ counter-reset: step; margin-top: 40px; }
.step{
  display:grid; grid-template-columns: 60px 1fr; gap:20px;
  padding: 22px 0; border-top: 1px solid var(--border);
}
.step:last-child{ border-bottom: 1px solid var(--border); }
.step .index{
  counter-increment: step; font-family: var(--font-display);
  font-size: 22px; color: var(--accent); font-weight:600;
}
.step .index::before{ content: counter(step, decimal-leading-zero); }
.step h4{ margin-bottom:6px; }
.step p{ color: var(--ink-soft); font-size:15px; }

/* ---------- feature / criteria cards (border-led, no shadow) ---------- */

.criteria-grid{
  display:grid; grid-template-columns: repeat(2,1fr); gap:1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top:36px;
}
.criteria-card{ background: var(--panel); padding: 26px 28px; }
.criteria-card h4{ margin-bottom:8px; display:flex; gap:10px; align-items:flex-start; }
.criteria-card h4 svg{ width:20px; height:20px; flex-shrink:0; color: var(--accent); margin-top:2px; }
.criteria-card p{ font-size:14.5px; color: var(--ink-soft); }

/* ---------- stat strip ---------- */

.stat-strip{
  display:grid; grid-template-columns: repeat(3,1fr);
  border-top: 1px solid rgba(240,247,244,0.18);
  border-bottom: 1px solid rgba(240,247,244,0.18);
  margin-top: 40px;
}
.stat{ padding: 30px 26px; border-left: 1px solid rgba(240,247,244,0.18); }
.stat:first-child{ border-left:none; }
.stat .n{ font-family: var(--font-display); font-size:38px; font-weight:600; }
.stat .l{ font-size:13.5px; color: rgba(240,247,244,0.64); margin-top:6px; }

/* ---------- quotes ---------- */

.quote-row{ display:grid; grid-template-columns: repeat(2,1fr); gap: 40px; margin-top: 40px; }
.quote{
  border-left: 2px solid var(--accent);
  padding-left: 22px;
}
.quote p{ font-family: var(--font-quote); font-style: italic; font-size: 19px; color: var(--ink); }
.quote cite{ display:block; margin-top:12px; font-style:normal; font-size:13.5px; color: var(--ink-faint); }

/* ---------- vocabulary / say-never table ---------- */

.voice-table{ display:grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 36px; }
.voice-col h4{ margin-bottom:16px; }
.voice-col.say{ border-top: 2px solid var(--accent); padding-top:18px; }
.voice-col.never{ border-top: 2px solid var(--taupe); padding-top:18px; }
.voice-col ul{ margin:0; padding:0; list-style:none; }
.voice-col li{ padding: 10px 0; border-bottom: 1px solid var(--border-soft); font-size:14.5px; color: var(--ink-soft); }

/* ---------- cta band ---------- */

.cta-band{
  background: var(--accent); color:#fff;
  padding: 56px var(--pad); border-radius: 6px;
  display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap;
}
.cta-band h2{ color:#fff; font-size:30px; max-width: 480px; }
.cta-band .btn-dark{ background:#fff; color:var(--ink); }
.cta-band .btn-dark:hover{ background: var(--bg); }

/* ---------- faq ---------- */

.faq-item{ border-top: 1px solid var(--border); }
.faq-item:last-child{ border-bottom: 1px solid var(--border); }
.faq-q{
  width:100%; text-align:left; background:none; border:none; cursor:pointer;
  padding: 20px 0; display:flex; justify-content:space-between; align-items:center;
  font-family: var(--font-body); font-weight:600; font-size:16px; color: var(--ink);
}
.faq-q .plus{ width:18px; height:18px; position:relative; flex-shrink:0; margin-left:20px; }
.faq-q .plus::before, .faq-q .plus::after{
  content:""; position:absolute; background: var(--ink); transition: transform 200ms var(--ease);
}
.faq-q .plus::before{ top:8px; left:0; width:18px; height:2px; }
.faq-q .plus::after{ top:0; left:8px; width:2px; height:18px; }
.faq-item[data-open="true"] .plus::after{ transform: rotate(90deg); opacity:0; }
.faq-a{
  max-height:0; overflow:hidden; transition: max-height 260ms var(--ease);
}
.faq-a p{ padding: 0 0 22px; color: var(--ink-soft); font-size:15px; max-width: 66ch; }

/* ---------- forms ---------- */

.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 8px; }
.field{ display:flex; flex-direction:column; gap:8px; }
.field.full{ grid-column: 1 / -1; }
.field label{ font-size:13.5px; font-weight:600; color: var(--ink-soft); }
.field input, .field textarea{
  font-family: var(--font-body); font-size:15.5px; color: var(--ink);
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 4px; padding: 12px 14px; width:100%;
}
.field input:focus, .field textarea:focus{ border-color: var(--accent); }
.field textarea{ resize: vertical; min-height:120px; }
.field .hint{ font-size:12.5px; color: var(--ink-faint); }
.field .error{ font-size:12.5px; color: #A3402F; display:none; }
.field[data-invalid="true"] input,
.field[data-invalid="true"] textarea{ border-color: #A3402F; }
.field[data-invalid="true"] .error{ display:block; }

.form-status{
  margin-top: 18px; padding: 14px 16px; border-radius:4px; font-size:14.5px;
  display:none;
}
.form-status.show{ display:block; }
.form-status.success{ background: rgba(112,171,175,0.16); color:#2c5457; }
.form-status.fail{ background: rgba(163,64,47,0.12); color:#7c3226; }

/* ---------- footer ---------- */

.site-footer{ background: var(--ink); color: rgba(240,247,244,0.8); padding: 56px 0 30px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer-brand{ display:flex; align-items:center; gap:10px; margin-bottom:14px; }
.footer-brand span{ font-family: var(--font-display); font-weight:600; font-size:18px; color:#fff; }
.footer-tag{ font-size:14.5px; color: rgba(240,247,244,0.56); max-width:34ch; }
.footer-col h4{ color:#fff; font-size:14px; margin-bottom:14px; }
.footer-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; }
.footer-col a{ font-size:14.5px; color: rgba(240,247,244,0.68); transition: color 150ms; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{
  margin-top:48px; padding-top:22px; border-top:1px solid rgba(240,247,244,0.14);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size:13px; color: rgba(240,247,244,0.46);
}

/* ---------- whatsapp float ---------- */

.wa-float{
  position: fixed; bottom: 22px; right: 22px; z-index: 60;
  display:flex; align-items:center; gap:10px;
  background: var(--ink); color: var(--bg);
  padding: 13px 20px 13px 16px; border-radius: 999px;
  box-shadow: 0 6px 20px rgba(50,41,47,0.28);
  font-size:14.5px; font-weight:600;
  transition: transform 150ms var(--ease);
}
.wa-float:hover{ transform: translateY(-2px); }
.wa-float svg{ width:20px; height:20px; color: var(--accent-2); }

/* ---------- disclaimer note ---------- */

.disclaimer{
  font-size: 13px; color: var(--ink-faint); border-top: 1px solid var(--border);
  margin-top: 28px; padding-top:16px; max-width: 68ch;
}

/* ---------- utility ---------- */

.mt-0{ margin-top:0; }
.two-col{ display:grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items:start; }
.eyebrow-line{ width:44px; height:2px; background:var(--accent); margin-bottom:18px; }

/* ---------- responsive ---------- */

@media (max-width: 880px){
  h1{ font-size:38px; }
  h2{ font-size:27px; }
  .hero-grid{ grid-template-columns: 1fr; gap:36px; }
  .value-list{ grid-template-columns: 1fr; }
  .value-item:nth-child(odd){ border-right:none; padding-right:0; }
  .value-item:nth-child(even){ padding-left:0; }
  .timeline{ grid-template-columns: 1fr 1fr; row-gap: 26px; }
  .criteria-grid{ grid-template-columns: 1fr; }
  .quote-row{ grid-template-columns: 1fr; gap:28px; }
  .voice-table{ grid-template-columns: 1fr; gap: 24px; }
  .stat-strip{ grid-template-columns: 1fr; }
  .stat{ border-left:none; border-top:1px solid rgba(240,247,244,0.18); }
  .stat:first-child{ border-top:none; }
  .footer-grid{ grid-template-columns: 1fr; gap:30px; }
  .two-col{ grid-template-columns: 1fr; gap: 30px; }
  .form-grid{ grid-template-columns: 1fr; }

  .main-nav ul{
    flex-direction:column; align-items:flex-start; gap:0;
    position:absolute; top:100%; left:0; right:0;
    background: var(--bg); border-bottom:1px solid var(--border);
    padding: 8px var(--pad) 18px; max-height:0; overflow:hidden;
    transition: max-height 260ms var(--ease);
  }
  .main-nav[data-open="true"] ul{ max-height:360px; }
  .main-nav ul li{ width:100%; }
  .main-nav ul a{ display:block; padding:12px 0; border-bottom:1px solid var(--border-soft); }
  .main-nav .cta-slot{ display:none; }
  .nav-toggle{ display:block; }
  .cta-band{ flex-direction:column; align-items:flex-start; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}