/* ============================================================
   ARVENZA — brand stylesheet
   Palette: warm ivory / deep charcoal / bronze
   ============================================================ */

:root {
  --bg: #FAF7F1;
  --bg-alt: #F3EDE2;
  --card: #FFFFFF;
  --ink: #201A13;
  --ink-soft: #6B5F4F;
  --line: #E6DCCB;
  --accent: #9A6B3F;
  --accent-deep: #7C5430;
  --accent-soft: #EBDDCB;
  --dark: #201A13;
  --dark-soft: #352B20;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(60, 45, 25, 0.08);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}
.container-narrow { width: min(760px, 92%); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 500; line-height: 1.15; }
h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); margin-bottom: 0.5em; }
h3 { font-size: 1.25rem; margin-bottom: 0.4em; }

p { color: var(--ink-soft); }
h1 + p, h2 + p { margin-top: 0.4em; }

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

.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9em;
}
.eyebrow-light { color: #D9B78C; }

.section { padding: clamp(64px, 9vw, 110px) 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--dark); color: #F4EDE0; }
.section-dark h2 { color: #FAF7F1; }
.section-dark p { color: #C9BCA6; }
.section-lede { max-width: 560px; margin-bottom: 2.2em; }
.fineprint { font-size: 0.82rem; color: #9A8E7B; margin-top: 1.4em; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-align: center;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--accent);
  color: #FFF;
  box-shadow: 0 6px 18px rgba(154, 107, 63, 0.35);
}
.btn-primary:hover { background: var(--accent-deep); }
.btn-ghost {
  border-color: var(--line);
  color: var(--ink);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-deep); }
.btn-light { background: #F4EDE0; color: var(--dark); }
.btn-light:hover { background: #FFF; }
.btn-sm { padding: 10px 20px; font-size: 0.88rem; }
.btn-block { display: block; width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 247, 241, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 68px;
}
.brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--ink);
}
.main-nav { display: flex; gap: 28px; }
.main-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.15s;
}
.main-nav a:hover { color: var(--accent-deep); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.lang-toggle {
  border: 1.5px solid var(--line);
  background: transparent;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--ink-soft);
  font-family: var(--font-body);
  transition: border-color 0.15s, color 0.15s;
}
.lang-toggle:hover { border-color: var(--accent); color: var(--accent-deep); }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}
.nav-burger span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

/* ---------- Hero ---------- */
.hero { padding: clamp(56px, 8vw, 96px) 0 clamp(40px, 6vw, 72px); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.lede {
  font-size: 1.13rem;
  max-width: 520px;
  margin-top: 1em;
}
.hero-ctas { display: flex; gap: 14px; margin-top: 2em; flex-wrap: wrap; }
.hero-trust {
  margin-top: 1.8em;
  font-size: 0.85rem;
  color: #9A8E7B;
}

.window-scene {
  position: relative;
  filter: drop-shadow(0 24px 40px rgba(60, 45, 25, 0.14));
}
.window-scene svg { width: 100%; height: auto; }
.panel {
  transition: transform 2.6s cubic-bezier(0.6, 0, 0.2, 1);
  transform-box: fill-box;
}
.panel-left { transform-origin: left center; }
.panel-right { transform-origin: right center; }
.window-scene.is-open .panel-left { transform: translateX(-18px) scaleX(0.22); }
.window-scene.is-open .panel-right { transform: translateX(18px) scaleX(0.22); }

.scene-chip {
  position: absolute;
  left: 50%;
  bottom: -22px;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  background: #FFF;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px;
  box-shadow: var(--shadow);
  white-space: nowrap;
}
.scene-btn {
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-soft);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.scene-btn.is-active { background: var(--accent-soft); color: var(--accent-deep); }

/* ---------- Trust bar ---------- */
.trustbar {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--card);
  padding: 18px 0;
  margin-top: 28px;
}
.trustbar-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}
.trustbar-inner > span {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #9A8E7B;
  font-weight: 600;
}
.trustbar ul {
  display: flex;
  gap: 28px;
  list-style: none;
  flex-wrap: wrap;
  justify-content: center;
}
.trustbar li {
  font-family: var(--font-display);
  font-size: 1.02rem;
  color: var(--ink);
}

/* ---------- Steps ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 2.4em;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 14px;
}
.step p { font-size: 0.93rem; }

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.price-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}
.price-card-featured {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  position: relative;
}
.badge {
  position: absolute;
  top: -13px;
  left: 28px;
  background: var(--accent);
  color: #FFF;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
}
.price {
  font-family: var(--font-display);
  font-size: 2.1rem;
  color: var(--ink);
  margin: 6px 0 18px;
}
.price span { font-size: 0.95rem; color: #9A8E7B; font-family: var(--font-body); margin-right: 4px; }
.price-card ul {
  list-style: none;
  margin-bottom: 26px;
  flex-grow: 1;
}
.price-card li {
  font-size: 0.93rem;
  color: var(--ink-soft);
  padding: 7px 0 7px 26px;
  position: relative;
}
.price-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ---------- Comparison table ---------- */
.table-wrap { overflow-x: auto; margin-top: 2.2em; }
.compare-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.compare-table th, .compare-table td {
  padding: 15px 18px;
  text-align: center;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--line);
}
.compare-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--ink);
}
.compare-table thead th {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  background: var(--bg-alt);
}
.compare-table td { color: var(--ink-soft); }
.col-arvenza {
  background: #FBF3E9;
  color: var(--accent-deep) !important;
  font-weight: 600;
}
.compare-table tbody tr:last-child td { border-bottom: none; }

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 2.2em;
}
.service-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
}
.service-card p { font-size: 0.93rem; }

/* ---------- Trade ---------- */
.trade-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.trade-list {
  list-style: none;
  margin: 1.6em 0 2em;
}
.trade-list li {
  padding: 8px 0 8px 28px;
  position: relative;
  color: #E4D9C4;
  font-size: 0.95rem;
}
.trade-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #D9B78C;
  font-weight: 700;
}
.trade-audience h3 { color: #F4EDE0; margin-bottom: 1em; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips span {
  border: 1px solid #4A3E2F;
  color: #D9CDB5;
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.86rem;
}
.chips-area { margin-top: 1.8em; }
.chips-area span {
  border-color: var(--line);
  color: var(--ink-soft);
  background: var(--card);
}

/* ---------- FAQ ---------- */
.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-top: 12px;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 0.98rem;
  list-style: none;
  position: relative;
  padding-right: 48px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--accent);
  transition: transform 0.2s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p {
  padding: 0 22px 20px;
  font-size: 0.93rem;
}

/* ---------- Quote ---------- */
.quote-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.contact-cards { display: grid; gap: 12px; margin-top: 1.8em; }
.contact-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 22px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.contact-card:hover { border-color: var(--accent); box-shadow: var(--shadow); }
.contact-label { font-size: 0.8rem; color: #9A8E7B; }
.contact-value {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--accent-deep);
}
.quote-form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.quote-form label {
  display: block;
  margin-bottom: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
}
.quote-form label span { display: block; margin-bottom: 6px; }
.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--bg);
  color: var(--ink);
  transition: border-color 0.15s;
}
.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.quote-form .fineprint { text-align: center; margin-top: 1em; }
.form-status { margin-top: 1em; font-size: 0.9rem; text-align: center; }
.form-status.ok { color: #4A7C42; }
.form-status.err { color: #A34A2E; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--dark);
  color: #C9BCA6;
  padding: 56px 0 96px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.6fr 1.2fr;
  gap: 40px;
}
.brand-footer { color: #F4EDE0; font-size: 1.2rem; margin-bottom: 0.5em; }
.site-footer p { color: #A79A83; font-size: 0.9rem; }
.site-footer .fineprint { color: #7A6E59; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.9rem; color: #C9BCA6; }
.footer-links a:hover { color: #F4EDE0; }

/* ---------- Mobile CTA bar ---------- */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background: rgba(250, 247, 241, 0.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  padding: 10px 14px;
  gap: 10px;
}
.mobile-cta .btn-primary { flex: 1; }
.mobile-cta .btn-ghost { background: var(--card); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { width: 100%; max-width: 520px; margin: 0 auto; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
  .price-card-featured { order: -1; }
  .services-grid { grid-template-columns: 1fr; }
  .trade-grid, .quote-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 760px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 8px 0;
  }
  .main-nav a { padding: 14px 6%; }
  .site-header.nav-open .main-nav { display: flex; }
  .nav-burger { display: flex; }
  .site-header.nav-open .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .site-header.nav-open .nav-burger span:nth-child(2) { opacity: 0; }
  .site-header.nav-open .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .header-actions .btn { display: none; }

  .steps-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .mobile-cta { display: flex; }
  body { padding-bottom: 64px; }
  .scene-chip { bottom: -18px; }
  .scene-btn { font-size: 0.72rem; padding: 7px 10px; }
}