/* ============================================================
   Mastorema — mastorema.gr
   Warm craftsman design system
   Palette: Plaster #FAF6F0 · Ink #2C221A · Terracotta #C05B2E · Clay #E8A87C
   Type: Literata (display) · Source Sans 3 (body)
   ============================================================ */

:root {
  --plaster: #FAF6F0;
  --paper: #FFFDFA;
  --sand: #F3E9DC;
  --line: #EDE2D4;
  --line-strong: #D9C9B6;
  --ink: #2C221A;
  --ink-soft: #6B5D50;
  --ink-faint: #A08B76;
  --terracotta: #C05B2E;
  --terracotta-dark: #9E4A24;
  --clay: #E8A87C;
  --whatsapp: #1FA855;
  --viber: #7B519D;
  --serif: 'Literata', Georgia, 'Times New Roman', serif;
  --sans: 'Source Sans 3', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --radius: 12px;
  --maxw: 1200px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--plaster);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--terracotta); }
a:hover { color: var(--terracotta-dark); }

h1, h2, h3 { font-family: var(--serif); color: var(--ink); margin: 0; text-wrap: balance; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--terracotta);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section { padding: 80px 0; }
.section-title { font-size: clamp(28px, 4vw, 38px); font-weight: 700; line-height: 1.15; }
.section-intro { max-width: 640px; }
.section-intro p { color: var(--ink-soft); font-size: 17px; margin: 14px 0 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 10px;
  padding: 15px 26px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  min-height: 48px;
}
.btn-primary { background: var(--terracotta); color: var(--plaster); }
.btn-primary:hover { background: var(--terracotta-dark); color: var(--plaster); }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: var(--plaster); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 246, 240, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
  max-width: var(--maxw);
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand svg { width: 32px; height: 32px; }
.brand-name { font-family: var(--serif); font-weight: 700; font-size: 21px; color: var(--ink); }

.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav-links a { font-size: 15px; font-weight: 600; color: var(--ink); text-decoration: none; }
.nav-links a:hover { color: var(--terracotta); }

.nav-cta { display: flex; align-items: center; gap: 14px; }
.lang-switch {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 6px 14px;
  text-decoration: none;
  white-space: nowrap;
}
.lang-switch:hover { border-color: var(--terracotta); color: var(--terracotta); }
.nav-phone { white-space: nowrap; padding: 10px 18px; min-height: 42px; font-size: 15px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 10px;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero { padding: 72px 0 88px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 56px;
  align-items: center;
}
.hero h1 { font-size: clamp(34px, 4.6vw, 54px); font-weight: 700; line-height: 1.08; }
.hero-sub { font-size: 19px; color: var(--ink-soft); margin: 22px 0 0; max-width: 560px; }
.hero-sub-en { font-size: 15px; font-style: italic; color: var(--ink-faint); margin: 14px 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 26px; padding: 0; list-style: none; }
.hero-trust li { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--ink-soft); }
.hero-trust svg { flex-shrink: 0; }

.hero-visual {
  background: var(--ink);
  border-radius: 20px;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.hero-visual svg { opacity: 0.92; }
.hero-visual .photo-note {
  position: absolute;
  left: 22px;
  bottom: 18px;
  font-size: 13px;
  color: var(--ink-faint);
  max-width: 320px;
}

/* ---------- Services ---------- */
.services { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 44px; }
.service-card {
  background: var(--plaster);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.service-card h3 { font-size: 20px; font-weight: 600; }
.service-card p { margin: 0; font-size: 15px; color: var(--ink-soft); }

/* ---------- Before/After gallery ---------- */
.gallery-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.ba-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 44px; }
.ba-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.ba-viewer { position: relative; aspect-ratio: 4 / 3; overflow: hidden; touch-action: pan-y; }
.ba-layer { position: absolute; inset: 0; }
.ba-layer img { width: 100%; height: 100%; object-fit: cover; }
.ba-after { clip-path: inset(0 0 0 50%); }
.ba-label {
  position: absolute;
  top: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  border-radius: 999px;
  padding: 5px 12px;
  z-index: 2;
  pointer-events: none;
}
.ba-label-before { left: 12px; color: var(--plaster); background: rgba(44, 34, 26, 0.55); }
.ba-label-after { right: 12px; color: var(--ink); background: rgba(250, 246, 240, 0.8); }
.ba-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--plaster);
  transform: translateX(-50%);
  z-index: 2;
  pointer-events: none;
}
.ba-handle {
  position: absolute;
  top: 50%;
  width: 44px;
  height: 44px;
  transform: translate(-50%, -50%);
  background: var(--plaster);
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(44, 34, 26, 0.3);
  z-index: 3;
  pointer-events: none;
}
.ba-range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  z-index: 4;
}
/* placeholder panels until real photos exist */
.ba-ph { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; }
.ba-ph span { font-size: 13px; color: rgba(250, 246, 240, 0.85); }
.ba-meta { padding: 20px 22px; }
.ba-meta h3 { font-size: 18px; font-weight: 600; }
.ba-meta p { margin: 6px 0 0; font-size: 14px; color: var(--ink-soft); }

/* ---------- Process ---------- */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 44px; }
.step {
  background: var(--paper);
  border-left: 3px solid var(--terracotta);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.step-num { font-family: var(--serif); font-weight: 700; font-size: 30px; color: var(--clay); }
.step h3 { font-family: var(--sans); font-size: 19px; font-weight: 700; }
.step p { margin: 0; font-size: 15px; color: var(--ink-soft); }

/* ---------- Proof band ---------- */
.proof { background: var(--ink); }
.proof-grid { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.proof h2 { color: var(--plaster); font-size: 28px; }
.proof-lead { color: #C9B8A5; font-size: 15px; max-width: 480px; margin: 8px 0 0; }
.stats { display: flex; gap: 56px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-value { font-family: var(--serif); font-weight: 700; font-size: 34px; color: var(--clay); }
.stat-label { font-size: 14px; color: #C9B8A5; }

/* ---------- Areas ---------- */
.areas-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.chip {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 8px 16px;
}
.testimonial {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px;
}
.testimonial blockquote { margin: 14px 0 0; font-size: 17px; font-style: italic; color: var(--ink); }
.testimonial figcaption { margin-top: 14px; font-size: 14px; font-weight: 700; color: var(--ink-soft); }

/* ---------- FAQ ---------- */
.faq { background: var(--paper); border-top: 1px solid var(--line); }
.faq-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 56px; align-items: start; }
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--plaster);
  overflow: hidden;
}
.faq-item[open] { background: var(--sand); border-color: var(--line-strong); }
.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary svg { flex-shrink: 0; transition: transform 0.2s ease; }
.faq-item[open] summary svg { transform: rotate(180deg); }
.faq-item .faq-answer { padding: 0 24px 20px; font-size: 15px; color: var(--ink-soft); }
.faq-item .faq-answer p { margin: 0; }

/* ---------- Contact ---------- */
.contact { background: var(--sand); border-top: 1px solid var(--line); }
.contact-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 56px; align-items: start; }
.contact-list { list-style: none; margin: 24px 0 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.contact-list li { display: flex; align-items: center; gap: 12px; font-size: 16px; font-weight: 700; }
.contact-list a { color: var(--ink); text-decoration: none; }
.contact-list a:hover { color: var(--terracotta); }
.chat-buttons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.btn-chat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--plaster);
  border-radius: 999px;
  padding: 12px 22px;
  text-decoration: none;
  min-height: 44px;
}
.btn-whatsapp { background: var(--whatsapp); }
.btn-whatsapp:hover { background: #178a45; color: var(--plaster); }
.btn-viber { background: var(--viber); }
.btn-viber:hover { background: #63417e; color: var(--plaster); }

.contact-form {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.contact-form label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 600; color: var(--ink-soft); }
.contact-form input,
.contact-form select,
.contact-form textarea {
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
  background: var(--plaster);
  border: 1px solid #E3D5C3;
  border-radius: 8px;
  padding: 13px 16px;
  width: 100%;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--terracotta);
  outline-offset: 1px;
  border-color: var(--terracotta);
}
.contact-form textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 13px; color: var(--ink-faint); margin: 0; }
.form-status { font-size: 15px; font-weight: 700; margin: 0; }
.form-status.ok { color: #2e7d43; }
.form-status.err { color: #b3341f; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #C9B8A5; padding: 56px 0 96px; }
.footer-grid { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.footer-brand { max-width: 420px; }
.footer-brand .brand-name { color: var(--plaster); }
.footer-brand p { font-size: 14px; margin: 14px 0 0; }
.footer-cols { display: flex; gap: 64px; flex-wrap: wrap; }
.footer-col h3 {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--clay);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; color: #C9B8A5; text-decoration: none; }
.footer-col a:hover { color: var(--plaster); }
.footer-bottom {
  border-top: 1px solid #4A3B2D;
  margin-top: 40px;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #8A6E55;
}

/* ---------- Mobile sticky call bar ---------- */
.mobile-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  border-top: 1px solid var(--line);
  background: var(--paper);
  box-shadow: 0 -4px 16px rgba(44, 34, 26, 0.1);
  padding-bottom: env(safe-area-inset-bottom);
}
.mobile-bar a {
  flex: 1 1 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  padding: 15px 0;
  min-height: 52px;
}
.mobile-bar .mb-call { background: var(--terracotta); color: var(--plaster); }
.mobile-bar .mb-wa { background: var(--whatsapp); color: var(--plaster); }
.mobile-bar .mb-quote { background: var(--sand); color: var(--ink); }

/* ---------- Utilities ---------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--plaster);
  padding: 10px 16px;
  z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .card-grid, .ba-grid, .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 300px; }
  .faq-grid, .contact-grid, .areas-grid { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .hero { padding: 44px 0 56px; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 8px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; padding: 14px 24px; font-size: 16px; }
  .nav-toggle { display: block; }
  .nav-phone { display: none; }

  .mobile-bar { display: flex; }
  body { padding-bottom: 64px; }

  .stats { gap: 32px; }
  .proof-grid { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .card-grid, .ba-grid, .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .gallery-head .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}