/* ΔΙΑΤΑΞΗ ΤΕΧΝΙΚΗ ΚΑΤΑΣΚΕΥΑΣΤΙΚΗ — shared stylesheet */

:root {
  --gold: #9C7B2E;
  --gold-dark: #7C6224;
  --grey: #8C8A82;
  --olive: #E3DEC3;
  --olive-2: #EEEAD8;
  --terracotta: #C1501F;
  --terracotta-dark: #A6420F;
  --graphite: #2E2E2A;
  --white: #FFFFFF;
  --hairline: rgba(46, 46, 42, 0.14);
  --hairline-soft: rgba(46, 46, 42, 0.1);
  --max-width: 1180px;
  --font-sans: 'Inter', "Helvetica Neue", Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', "Courier New", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--graphite);
  line-height: 1.6;
  background: var(--olive-2);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--terracotta);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--terracotta); }

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

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

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

/* Header */
header.site-header {
  border-bottom: 1px solid var(--hairline-soft);
  position: sticky;
  top: 0;
  background: rgba(247, 244, 236, 0.92);
  backdrop-filter: blur(6px);
  z-index: 100;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.5px;
  white-space: nowrap;
  flex-shrink: 0;
}

.brand img { height: 30px; width: auto; flex-shrink: 0; }

.brand small {
  display: block;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--grey);
  text-transform: uppercase;
  margin-top: 2px;
}

nav.main-nav {
  flex-shrink: 0;
}

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
}

/* Hamburger toggle (mobile only) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--graphite);
  transition: transform .2s, opacity .2s;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

nav.main-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--graphite);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  opacity: 0.75;
  transition: opacity .2s;
  white-space: nowrap;
}

nav.main-nav a:hover { opacity: 1; }

nav.main-nav a.active {
  opacity: 1;
  border-bottom-color: var(--terracotta);
}

.header-cta {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--graphite);
  color: var(--graphite);
  padding: 9px 18px;
  border-radius: 2px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background .2s, color .2s;
}
.header-cta:hover { background: var(--graphite); color: #fff; }

@media (max-width: 780px) {
  .nav-toggle { display: flex; }

  nav.main-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
  }

  nav.main-nav ul {
    display: none;
    flex-direction: column;
    gap: 0;
    background: var(--olive-2);
    border-bottom: 1px solid var(--hairline);
    padding: 8px 24px 20px;
  }

  nav.main-nav ul.open { display: flex; }

  nav.main-nav a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--hairline-soft);
    opacity: 1;
  }
  nav.main-nav li:last-child a { border-bottom: none; }

  nav.main-nav a.active { border-bottom-color: var(--terracotta); color: var(--terracotta); }

  .header-cta { padding: 8px 14px; font-size: 12px; }
}

/* Hero */
.hero {
  background: var(--olive-2);
  color: var(--graphite);
  padding: 100px 0 90px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(156, 123, 46, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(156, 123, 46, 0.16) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
  position: relative;
}

@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-mark { display: none; }
}

.hero h1 {
  font-size: clamp(32px, 4.6vw, 52px);
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.1;
  margin: 0 0 20px;
}

.hero p.lead {
  font-size: 17px;
  color: #54534C;
  max-width: 520px;
  margin: 0 0 30px;
}

.hero .accent { color: var(--gold); }

.hero-mark { display: flex; align-items: center; justify-content: center; }

.btnrow {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  flex: 0 0 auto;
  width: fit-content;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 2px;
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gold);
  color: #fff;
}
.btn-primary:hover { background: var(--gold-dark); }

.btn-outline {
  background: transparent;
  color: var(--graphite);
  border: 1px solid rgba(46, 46, 42, 0.3);
}
.btn-outline:hover { border-color: var(--graphite); }

/* Page header (non-home pages) */
.page-header {
  background: var(--olive-2);
  color: var(--graphite);
  padding: 64px 0 56px;
  position: relative;
  overflow: hidden;
}
.page-header .wrap { position: relative; }
.page-header h1 { margin: 0 0 8px; font-size: clamp(26px, 3.8vw, 38px); font-weight: 800; letter-spacing: -0.3px; }
.page-header p { margin: 0; color: #54534C; }

/* Sections */
section { padding: 100px 0; }
section.alt { background: var(--olive); }

h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 800;
  letter-spacing: -0.3px;
  margin: 0 0 12px;
}

h2.center { text-align: center; }

.section-lead {
  color: var(--grey);
  max-width: 680px;
  margin: 0 0 40px;
}
.section-lead.center { margin-left: auto; margin-right: auto; text-align: center; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.section-head h2 { margin-bottom: 0; max-width: 600px; }
.section-head p { font-size: 14px; color: var(--grey); max-width: 340px; margin: 0; }

/* Services / highlight grid (hairline, numbered) */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.svc {
  background: var(--olive-2);
  padding: 32px 26px;
  transition: background .2s;
}
.svc:hover { background: var(--olive); }
.svc .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--terracotta);
  margin-bottom: 20px;
  display: block;
}
.svc h3 { font-size: 17px; font-weight: 700; margin: 0 0 10px; }
.svc p { font-size: 13.5px; color: #5C5B54; margin: 0; }

@media (max-width: 900px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .svc-grid { grid-template-columns: 1fr; } }

/* Generic grid (kept for layout flexibility) */
.grid {
  display: grid;
  gap: 28px;
}
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 900px) {
  .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; }
}

/* Project sections (Έργα page) */
.project-section { margin-bottom: 72px; }
.project-section:last-child { margin-bottom: 0; }
.project-section h2 { margin-bottom: 6px; }
.project-section .project-desc {
  color: var(--grey);
  max-width: 680px;
  margin: 0 0 28px;
}
.subgroup-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--grey);
  margin: 28px 0 12px;
}
.subgroup-label:first-child { margin-top: 0; }

/* Photo cards — no boxed/filled background behind photos; each image keeps
   its own natural proportions instead of being letterboxed into a fixed box. */
.photo-card img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--hairline);
}
.photo-card .cap {
  padding: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--grey);
}

.stage-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 700px) { .stage-grid { grid-template-columns: 1fr; } }

.single-shot { max-width: 520px; }

/* Project / before-after photos — no shared background frame, each photo keeps
   its own natural proportions (mismatched before/after ratios are common and
   should not be forced into a common box). */
.project-card { margin-bottom: 8px; }

.ba-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 700px) {
  .ba-pair { grid-template-columns: 1fr; }
}

.ba-slot {
  position: relative;
}

.ba-slot img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--hairline);
}

.ba-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--graphite);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 1px;
  padding: 4px 9px;
}
.ba-tag.after { background: var(--terracotta); color: #fff; }

/* Reviews */
.review-box {
  border: 1px solid var(--hairline);
  padding: 28px;
  background: var(--olive-2);
  max-width: 640px;
}
.stars { color: var(--terracotta); font-size: 18px; letter-spacing: 2px; margin-bottom: 10px; }
.review-box p.quote { font-style: italic; color: var(--graphite); margin: 0 0 14px; }
.review-box .author { font-weight: 700; font-size: 14px; color: var(--grey); }

/* Process band (light, consistent with rest of site) */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.step {
  border-top: 1px solid var(--hairline);
  padding-top: 20px;
}
.step .step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--terracotta);
  margin-bottom: 14px;
}
.step h3 { margin: 0 0 8px; font-size: 16px; font-weight: 700; }
.step p { margin: 0; color: var(--grey); font-size: 13.5px; }

@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 22px; }
.contact-list li { border-bottom: none; padding: 0; }
.contact-list .label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--terracotta);
  margin-bottom: 6px;
}
.contact-list .value { font-size: 16px; font-weight: 500; color: var(--graphite); }

.note {
  font-size: 13px;
  color: var(--grey);
  background: var(--olive);
  border-left: 3px solid var(--terracotta);
  padding: 12px 16px;
  margin-top: 20px;
}

.map-embed {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--hairline);
  margin-top: 20px;
  overflow: hidden;
}
.map-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* Lead / interest form */
.lead-form {
  display: grid;
  gap: 20px;
  margin-top: 4px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
}
.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--terracotta);
  margin-bottom: 6px;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--graphite);
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: 2px;
  padding: 10px 12px;
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--terracotta);
}
.form-note { font-size: 12px; color: var(--grey); margin: -6px 0 0; }
.hp-field { position: absolute; left: -9999px; top: -9999px; }

/* Footer */
footer.site-footer {
  background: var(--graphite);
  color: #C7C6BE;
  padding: 48px 0 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr; } }

footer.site-footer h4 {
  color: #fff;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0 0 14px;
}
footer.site-footer p, footer.site-footer li { font-size: 14px; color: #B0AFA6; }
footer.site-footer ul { list-style: none; padding: 0; margin: 0; }
footer.site-footer li { margin-bottom: 8px; }
footer.site-footer a:hover { color: var(--terracotta); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #8C8A82;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}