:root {
  --bg: #f3e7d0;
  --bg-soft: #fbf6ee;
  --ink: #2d231c;
  --muted: #6d5e52;
  --primary: #8a3a26;
  --primary-dark: #6d2b1c;
  --accent: #c97c3d;
  --line: #dccab8;
  --card: rgba(255,255,255,.82);
  --shadow: 0 18px 50px rgba(58, 33, 17, .12);
  --radius: 22px;
  --container: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #f7ecdb 0%, #f0e2cc 100%);
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--container), calc(100% - 2rem)); margin: 0 auto; }
.topbar {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(247, 236, 219, .84);
  border-bottom: 1px solid rgba(138,58,38,.08);
}
.nav {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  min-height: 76px;
}
.brand { display: flex; align-items: center; gap: .85rem; font-weight: 800; letter-spacing: .01em; }
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #fff url("logo-masa-termica.png") center / cover no-repeat;
  border: 1px solid rgba(138,58,38,.25);
  box-shadow: 0 8px 18px rgba(138,58,38,.18);
  flex: 0 0 auto;
}
.brand-mark::after {
  content: none;
}
.brand small { display:block; color: var(--muted); font-weight: 600; }
.menu { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.menu a { color: var(--muted); font-weight: 600; }
.menu a:hover { color: var(--primary-dark); }
.actions { display: flex; gap: .75rem; align-items: center; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: 48px; padding: 0 1rem; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; transition: .2s ease; cursor: pointer;
}
.button-primary { background: var(--primary); color: #fff; box-shadow: 0 12px 24px rgba(138,58,38,.22); }
.button-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.button-secondary { background: rgba(255,255,255,.65); border-color: rgba(138,58,38,.16); }
.button-secondary:hover { background: #fff; }
.button-ghost { border-color: rgba(138,58,38,.22); }
.hero { padding: 4.5rem 0 3rem; position: relative; overflow: hidden; }
.hero-grid {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 2rem; align-items: center;
}
.hero-copy h1 {
  margin: 0 0 1rem; font-size: clamp(2.4rem, 5vw, 4.6rem); line-height: .98; letter-spacing: -.03em;
}
.kicker {
  display: inline-flex; align-items: center; gap: .5rem; padding: .45rem .8rem; border-radius: 999px;
  background: rgba(255,255,255,.6); border: 1px solid rgba(138,58,38,.1); color: var(--primary-dark); font-weight: 700;
}
.hero-copy p { font-size: 1.12rem; color: var(--muted); max-width: 62ch; }
.hero-cards {
  display: grid; gap: 1rem;
}
.glass-card, .card {
  background: var(--card); border: 1px solid rgba(138,58,38,.08); border-radius: var(--radius); box-shadow: var(--shadow);
}
.glass-card { padding: 1.1rem; }
.hero-panel { padding: 1.5rem; }
.hero-panel h3 { margin: 0 0 .4rem; }
.hero-panel p { margin: 0; color: var(--muted); }
.hero-map { display:grid; gap:.9rem; margin-top: 1rem; }
.micro-card {
  display:flex; gap:.85rem; align-items:flex-start; padding: 1rem; border-radius: 18px;
  background: rgba(255,255,255,.74); border: 1px solid rgba(138,58,38,.08);
}
.micro-icon {
  width: 44px; height:44px; flex:0 0 auto; border-radius: 14px; background: rgba(201,124,61,.16);
  display:grid; place-items:center; color: var(--primary); font-size: 1.2rem; font-weight: 800;
}
.stats {
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.2rem;
}
.stat {
  padding: 1rem; border-radius: 18px; background: rgba(255,255,255,.62); border: 1px solid rgba(138,58,38,.08);
}
.stat strong { display:block; font-size:1.5rem; }
.section { padding: 2.2rem 0 1rem; }
.section-lg { padding: 4rem 0; }
.section-head { max-width: 70ch; margin-bottom: 1.5rem; }
.section-head h2 { font-size: clamp(1.8rem, 4vw, 3rem); margin: 0 0 .5rem; line-height:1.04; }
.section-head p { margin:0; color: var(--muted); }
.grid-4, .grid-3, .grid-2 { display:grid; gap: 1rem; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card { padding: 1.35rem; }
.card h3, .card h4 { margin-top: 0; margin-bottom: .45rem; }
.card p { color: var(--muted); }
.link-row { display:flex; align-items:center; gap: .5rem; color: var(--primary-dark); font-weight: 700; }
.path-card {
  padding: 1.35rem; display:flex; flex-direction:column; gap: .8rem; min-height: 260px;
  background: linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.7));
}
.tag {
  display:inline-flex; width:fit-content; padding: .35rem .7rem; border-radius:999px; background: rgba(201,124,61,.14);
  color: var(--primary-dark); font-weight: 700; font-size: .88rem;
}
.path-card ul, .simple-list { margin: 0; padding-left: 1rem; color: var(--muted); }
.feature-band {
  padding: 1.4rem; border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(125deg, #8a3a26 0%, #b0512f 38%, #d18e4e 100%);
  color: white; box-shadow: 0 24px 44px rgba(138,58,38,.26);
}
.feature-band p { color: rgba(255,255,255,.84); }
.comparison {
  width: 100%; overflow: auto; border-radius: var(--radius); border:1px solid rgba(138,58,38,.08); background: rgba(255,255,255,.7);
}
table { width:100%; border-collapse: collapse; min-width: 720px; }
th, td { padding: 1rem; text-align: left; border-bottom:1px solid rgba(138,58,38,.08); }
th { font-size: .88rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
.accent-box {
  padding:1.2rem; border-radius: 20px; background: rgba(201,124,61,.12); border:1px solid rgba(138,58,38,.08);
}
.quote {
  padding: 1.3rem; border-left: 4px solid var(--accent); background: rgba(255,255,255,.68); border-radius: 0 20px 20px 0;
}
.faq-item summary {
  cursor:pointer; list-style:none; font-weight: 800; padding: 1rem 0;
}
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item { border-bottom:1px solid rgba(138,58,38,.12); }
.faq-item p { margin-top:0; color: var(--muted); padding-bottom: 1rem; }
.cta { padding: 4rem 0 5rem; }
.cta-box {
  display:grid; grid-template-columns: 1.1fr .9fr; gap: 1.2rem; align-items:center;
  padding: 1.7rem; border-radius: calc(var(--radius) + 8px);
  background: linear-gradient(120deg, rgba(255,255,255,.94), rgba(255,248,240,.8)); border:1px solid rgba(138,58,38,.08);
  box-shadow: var(--shadow);
}
.footer { padding: 2rem 0 3.5rem; color: var(--muted); }
.footer-grid { display:grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 1rem; }
.footer h4 { margin-top:0; color: var(--ink); }
.footer a { color: var(--muted); display:block; margin: .35rem 0; }
.badge-list { display:flex; flex-wrap: wrap; gap: .55rem; }
.badge { padding:.45rem .75rem; border-radius:999px; background: rgba(255,255,255,.64); border:1px solid rgba(138,58,38,.08); }
.callout { margin-top: 1rem; font-size: .95rem; color: var(--muted); }
.page-hero { padding: 3.5rem 0 2rem; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3.6rem); line-height:1.02; margin:0 0 .7rem; }
.page-hero p { color: var(--muted); max-width: 70ch; }
.page-layout { display:grid; grid-template-columns: 1.25fr .75fr; gap:1.2rem; }
.sidebar-sticky { position: sticky; top: 96px; }
.notice {
  padding: .9rem 1rem; border-radius: 18px; background: rgba(255,255,255,.68); border: 1px solid rgba(138,58,38,.08); color: var(--muted);
}
@media (max-width: 980px) {
  .hero-grid, .cta-box, .page-layout, .footer-grid, .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .menu { display:none; }
  .nav { padding: .8rem 0; }
  .stats { grid-template-columns: 1fr; }
}