/* Rovelko — V1 offline prototype stylesheet */

@font-face {
  font-family: 'Poppins';
  src: url('../fonts/poppins-400.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Poppins';
  src: url('../fonts/poppins-500.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Poppins';
  src: url('../fonts/poppins-700.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root{
  --ink: #0F2B4A;
  --paper: #F6F8FA;
  --teal: #14B8A6;
  --slate: #94A3B8;
  --slate-pale: #E4E9EF;
  --ink-soft: rgba(15,43,74,0.08);
  --max: 1120px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: 'Poppins', system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; }
.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 28px; }

h1,h2,h3,h4{ font-weight: 700; line-height: 1.18; margin: 0; letter-spacing: -0.01em; }
p{ margin: 0; }

.eyebrow{
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--teal);
}

/* ---------- Header / nav ---------- */
.site-header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(246,248,250,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--ink-soft);
}
.site-header .wrap{
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.logo-word{
  font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 24px;
  letter-spacing: -0.01em; color: var(--ink); text-decoration: none;
}
.logo-word .r{ color: var(--teal); }
.logo-img{ height: 26px; width: auto; display: block; }
footer .logo-img{ height: 24px; }
.hero-art .logo-img{ height: 40px; width: auto; display: block; margin-bottom: 18px; }
nav.main-nav ul{
  list-style: none; display: flex; gap: 34px; margin: 0; padding: 0;
}
nav.main-nav a{
  text-decoration: none; font-weight: 500; font-size: 15px; color: var(--ink);
  opacity: 0.78; transition: opacity .15s;
}
nav.main-nav a:hover, nav.main-nav a.active{ opacity: 1; color: var(--teal); }
.nav-toggle{ display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span{ display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; }

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 600; font-size: 14.5px;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: transform .12s ease, box-shadow .12s ease;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{ background: var(--ink); color: var(--paper); }
.btn-primary:hover{ box-shadow: 0 8px 20px rgba(15,43,74,0.22); }
.btn-outline{ background: transparent; color: var(--ink); border-color: var(--ink-soft); }
.btn-outline:hover{ border-color: var(--ink); }
.btn-disabled, .btn-disabled:hover{
  background: var(--slate-pale); color: var(--slate); cursor: not-allowed;
  box-shadow: none; border-color: var(--slate-pale);
}
.btn-disabled .tag{
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  background: rgba(148,163,184,0.35); color: var(--ink); padding: 2px 8px; border-radius: 999px;
  margin-left: 2px;
}

/* ---------- Hero ---------- */
.hero{ padding: 72px 0 56px; }
.hero .wrap{ display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.hero h1{ font-size: 46px; margin: 14px 0 18px; }
.hero p.lead{ font-size: 17.5px; color: #3B4A5C; max-width: 46ch; }
.hero .cta-row{ display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-art{
  background: linear-gradient(155deg, var(--ink) 0%, #16395F 100%);
  border-radius: 18px; padding: 42px; color: var(--paper);
  box-shadow: 0 30px 60px -20px rgba(15,43,74,0.35);
}
.hero-art .tagline{
  font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; font-size: 13px; color: var(--teal);
}
.hero-art .big-word{ font-size: 38px; font-weight: 700; margin-top: 10px; }
.hero-art .sub{ margin-top: 10px; color: rgba(246,248,250,0.7); font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; }
.hero-art .chip-row{ display: flex; gap: 10px; margin-top: 28px; flex-wrap: wrap; }
.hero-art .chip{
  background: rgba(246,248,250,0.08); border: 1px solid rgba(246,248,250,0.18);
  border-radius: 999px; padding: 7px 14px; font-size: 12.5px; color: rgba(246,248,250,0.85);
}

/* ---------- Strip ---------- */
.strip{ background: var(--ink); color: var(--paper); padding: 16px 0; }
.strip .wrap{ display: flex; flex-wrap: wrap; gap: 10px 34px; justify-content: center; font-size: 13.5px; }
.strip .item{ display: flex; align-items: center; gap: 8px; opacity: 0.92; }
.strip .item svg{ flex: none; }

/* ---------- Section headers ---------- */
.section{ padding: 78px 0; }
.section-head{ max-width: 620px; margin: 0 0 42px; }
.section-head h2{ font-size: 32px; margin-top: 10px; }
.section-head p{ color: #4C5A6B; margin-top: 12px; font-size: 15.5px; }
.section-alt{ background: #FFFFFF; border-top: 1px solid var(--ink-soft); border-bottom: 1px solid var(--ink-soft); }

/* ---------- Product cards ---------- */
.product-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.product-card{
  background: #fff; border: 1px solid var(--ink-soft); border-radius: 16px; overflow: hidden;
  display: flex; flex-direction: column; text-decoration: none; color: var(--ink);
  transition: transform .15s ease, box-shadow .15s ease;
}
.product-card:hover{ transform: translateY(-4px); box-shadow: 0 24px 40px -22px rgba(15,43,74,0.3); }
.product-card .thumb{
  height: 168px; display: flex; align-items: center; justify-content: center;
  background: var(--ink); position: relative; overflow: hidden;
}
.product-card .thumb img{ width: 100%; height: 100%; object-fit: cover; object-position: top; opacity: 0.96; }
.product-card .thumb .glyph{ font-size: 54px; color: var(--teal); font-weight: 700; }
.product-card .body{ padding: 22px 22px 26px; flex: 1; display: flex; flex-direction: column; }
.product-card .kicker{ font-size: 11.5px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal); margin-bottom: 8px; }
.product-card h3{ font-size: 19px; margin-bottom: 10px; }
.product-card .desc{ font-size: 14px; color: #4C5A6B; flex: 1; }
.product-card .feat-list{ list-style: none; margin: 16px 0 0; padding: 0; display: flex; flex-direction: column; gap: 7px; }
.product-card .feat-list li{ font-size: 13px; color: #3B4A5C; display: flex; gap: 8px; align-items: flex-start; }
.product-card .feat-list li::before{ content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--teal); margin-top: 7px; flex: none; }
.product-card .card-foot{ margin-top: 18px; font-size: 13px; font-weight: 600; color: var(--ink); display: flex; align-items: center; gap: 6px; }

/* ---------- Status strip (coming soon) ---------- */
.soon-banner{
  display: flex; align-items: center; gap: 10px; background: #FBF3E7; border: 1px solid #ECD9B8;
  color: #7A5A17; padding: 12px 18px; border-radius: 10px; font-size: 13.5px; font-weight: 500;
}

/* ---------- Contact ---------- */
.contact-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.contact-card{ background: #fff; border: 1px solid var(--ink-soft); border-radius: 16px; padding: 30px; }
.contact-card h3{ font-size: 18px; margin-bottom: 10px; }
.contact-card p{ color: #4C5A6B; font-size: 14.5px; }
.field{ margin-top: 16px; }
.field label{ display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 6px; color: var(--ink); }
.field input, .field textarea{
  width: 100%; border: 1px solid var(--ink-soft); border-radius: 9px; padding: 11px 13px;
  font-family: 'Poppins', sans-serif; font-size: 14px; background: #FBFCFD; color: var(--slate);
}
.field textarea{ resize: vertical; min-height: 90px; }

/* ---------- Footer ---------- */
footer{ background: var(--ink); color: rgba(246,248,250,0.78); padding: 48px 0 30px; margin-top: 10px; }
footer .wrap{ display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 30px; }
footer .logo-word{ color: var(--paper); }
footer .cols{ display: flex; gap: 60px; flex-wrap: wrap; }
footer .col h4{ font-size: 12.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal); margin-bottom: 12px; font-weight: 700; }
footer .col a, footer .col p{ display: block; font-size: 13.5px; color: rgba(246,248,250,0.72); text-decoration: none; margin-bottom: 9px; }
footer .col a:hover{ color: var(--paper); }
footer .legal{ margin-top: 36px; padding-top: 22px; border-top: 1px solid rgba(246,248,250,0.14); font-size: 12.5px; color: rgba(246,248,250,0.5); }

/* ---------- Product detail page ---------- */
.pd-hero{ padding: 48px 0 10px; }
.pd-hero .back-link{ font-size: 13.5px; font-weight: 600; color: var(--teal); text-decoration: none; display: inline-flex; gap: 6px; align-items: center; margin-bottom: 20px; }
.pd-hero .grid{ display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 50px; align-items: center; }
.pd-hero h1{ font-size: 36px; margin: 12px 0 16px; }
.pd-hero .lead{ color: #3B4A5C; font-size: 16px; max-width: 50ch; }
.pd-hero .price-box{ background: #fff; border: 1px solid var(--ink-soft); border-radius: 16px; padding: 26px; }
.pd-hero .price-box .label{ font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--slate); font-weight: 600; }
.pd-hero .price-box .price{ font-size: 28px; font-weight: 700; margin: 8px 0 16px; color: var(--ink); }
.pd-hero .price-box ul{ list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-direction: column; gap: 9px; }
.pd-hero .price-box li{ font-size: 13.5px; color: #3B4A5C; display: flex; gap: 8px; }
.pd-hero .price-box li::before{ content: '✓'; color: var(--teal); font-weight: 700; }

.gallery{ display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 20px; }
.gallery figure{ margin: 0; background: #fff; border: 1px solid var(--ink-soft); border-radius: 14px; overflow: hidden; }
.gallery img{ width: 100%; display: block; }
.gallery figcaption{ padding: 12px 16px 16px; font-size: 13px; color: #4C5A6B; font-weight: 500; }

.feature-grid{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature-item{ background: #fff; border: 1px solid var(--ink-soft); border-radius: 14px; padding: 20px 22px; }
.feature-item h4{ font-size: 15px; margin-bottom: 7px; }
.feature-item p{ font-size: 13.5px; color: #4C5A6B; }

.sheet-list{ list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; }
.sheet-list li{ display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--ink-soft); }
.sheet-list li:last-child{ border-bottom: none; }
.sheet-list .num{ font-weight: 700; color: var(--teal); font-size: 14px; min-width: 22px; }
.sheet-list .name{ font-weight: 600; font-size: 14.5px; min-width: 180px; }
.sheet-list .desc{ font-size: 13.5px; color: #4C5A6B; }

.faq-item{ border-bottom: 1px solid var(--ink-soft); padding: 18px 0; }
.faq-item summary{ cursor: pointer; font-weight: 600; font-size: 15px; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-item summary::-webkit-details-marker{ display: none; }
.faq-item summary::after{ content: '+'; color: var(--teal); font-size: 20px; font-weight: 400; }
.faq-item[open] summary::after{ content: '–'; }
.faq-item p{ margin-top: 10px; font-size: 14px; color: #4C5A6B; }

.note-box{ background: #FBFCFD; border: 1px solid var(--ink-soft); border-left: 3px solid var(--teal); border-radius: 10px; padding: 18px 22px; font-size: 13.5px; color: #4C5A6B; }
.missing-box{ background: #FDF4EC; border: 1px solid #ECD9B8; border-left: 3px solid #C98A2E; border-radius: 10px; padding: 18px 22px; font-size: 13.5px; color: #6B4A13; }

/* ---------- Responsive ---------- */
@media (max-width: 860px){
  .hero .wrap, .pd-hero .grid, .contact-grid{ grid-template-columns: 1fr; }
  .hero h1{ font-size: 34px; }
  .product-grid{ grid-template-columns: 1fr; }
  .feature-grid{ grid-template-columns: 1fr; }
  nav.main-nav{ display: none; }
  nav.main-nav.open{
    display: flex; position: absolute; top: 76px; left: 0; right: 0; background: var(--paper);
    border-bottom: 1px solid var(--ink-soft); padding: 18px 28px;
  }
  nav.main-nav.open ul{ flex-direction: column; gap: 18px; }
  .nav-toggle{ display: block; }
  footer .wrap{ flex-direction: column; }
  .sheet-list li{ flex-direction: column; gap: 4px; }
}
@media (max-width: 480px){
  .hero h1{ font-size: 28px; }
  .section{ padding: 54px 0; }
  .hero-art{ padding: 28px; }
}