/* ===== Base colors & variables ===== */

:root {

  --bg: #ffffff;

  --bg-alt: #f5f5f7;

  --panel: #ffffff;

  --text: #1f2933;

  --muted: #5c7086;

  --accent: #c45410;

  --accent-dark: #8c3600;

  --border: rgba(17, 24, 39, 0.08);

  --shadow: 0 12px 22px rgba(15, 23, 42, 0.06);

}



*,

*::before,

*::after {

  box-sizing: border-box;

  text-decoration: none;

}



a:hover {

  text-decoration: none;

}



html,

body {

  margin: 0;

  padding: 0;

}



html {

  scroll-behavior: smooth;

}



body {

  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  color: var(--text);

  background: var(--bg);

  line-height: 1.7;

}



img {

  max-width: 100%;

  display: block;

}



a {

  color: inherit;

  text-decoration: none;

}



.container {

  width: min(1120px, 92vw);

  margin: 0 auto;

}



/* ===== Header ===== */

.site-header {

  position: sticky;

  top: 0;

  z-index: 20;

  border-bottom: 1px solid var(--border);

  background: rgba(255, 255, 255, 0.92);

  backdrop-filter: blur(12px);

}



.header-inner {

  display: flex;

  align-items: center;

  justify-content: space-between;

  padding: 12px 0;

  position: relative;

}



.brand {

  display: inline-flex;

  align-items: center;

}



.brand-logo {

  height: 80px;

  width: auto;

  object-fit: contain;

}



/* ===== Main nav (desktop default) ===== */

.main-nav {

  display: flex;

  align-items: center;

  gap: 12px;

}



.main-nav a {

  padding: 8px 14px;

  font-weight: 500;

  color: #243447;

  transition: background 0.2s ease, color 0.2s ease;

}



.main-nav a:hover,

.main-nav a.active {

  background: rgba(196, 84, 16, 0.12);

  color: var(--accent);

}



/* ===== Burger button ===== */

/* ===== Burger button ===== */

.menu-toggle {

  border: none;

  background: transparent;

  cursor: pointer;

  margin-left: auto;

  width: 40px;

  height: 32px;

  padding: 0;

  position: relative;

  display: none; /* θα γίνει block στο mobile */

}



.menu-toggle span {

  position: absolute;

  left: 9px;

  right: 9px;

  height: 2px;

  border-radius: 999px;

  background: #243447;

  transition: transform 0.2s ease, opacity 0.2s ease;

}



/* 3 γραμμές κατακόρυφα στοιχισμένες */

.menu-toggle span:nth-child(1) { top: 9px; }

.menu-toggle span:nth-child(2) { top: 15px; }

.menu-toggle span:nth-child(3) { top: 21px; }



/* open state -> Χ */

.menu-toggle.is-open span:nth-child(1) {

  transform: translateY(6px) rotate(45deg);

}



.menu-toggle.is-open span:nth-child(2) {

  opacity: 0;

}



.menu-toggle.is-open span:nth-child(3) {

  transform: translateY(-6px) rotate(-45deg);

}







/* ===== Hero ===== */

.hero {

  padding: 96px 0 80px;

  background: radial-gradient(

    circle at top left,

    #ffe3c4 0,

    #fff7ee 42%,

    #ffffff 100%

  );

}



.hero-inner {

  display: grid;

  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);

  gap: 48px;

  align-items: center;

}



.hero-text {

  max-width: 520px;

}



.hero-text h1 {

  margin: 0 0 10px;

  font-size: 35px;

  letter-spacing: -0.4px;

  color: #1c2734;

}



.subtitle {

  margin: 0 0 18px;

  color: var(--muted);

  font-weight: 600;

  letter-spacing: 0.2px;

}



.tagline {

  margin: 0 0 26px;

  font-size: 18px;

  color: #334255;

}



.hero-actions {

  display: flex;

  flex-wrap: wrap;

  gap: 12px;

}



.hero-media {

  display: flex;

  justify-content: flex-end;

}



.hero-card {

  background: #fff;

  border: 1px solid var(--border);

  padding: 12px;

  box-shadow: var(--shadow);

}



/* ===== Buttons ===== */

.btn {

  display: inline-flex;

  align-items: center;

  justify-content: center;

  padding: 12px 20px;

  border: 1px solid transparent;

  font-weight: 600;

  letter-spacing: 0.2px;

  cursor: pointer;

  transition:

    transform 0.12s ease,

    box-shadow 0.2s ease,

    background 0.2s ease,

    color 0.2s ease;

}



.btn.primary {

  background: var(--accent);

  color: #fff;

  box-shadow: var(--shadow);

}



.btn.primary:hover {

  background: var(--accent-dark);

  transform: translateY(-1px);

  box-shadow: 0 16px 28px rgba(196, 84, 16, 0.28);

}



.btn.outline {

  border-color: rgba(196, 84, 16, 0.3);

  color: var(--accent);

  background: #fff;

}



.btn.outline:hover {

  border-color: var(--accent);

  color: var(--accent-dark);

  background: rgba(196, 84, 16, 0.08);

}



/* ===== Sections ===== */

.section {

  padding: 80px 0;

  background: var(--bg);

}



.section.muted {

  background: var(--bg-alt);

  border-block: 1px solid var(--border);

}



.section h2 {

  margin: 0 0 28px;

  font-size: 30px;

  color: #1d2733;

  position: relative;

  display: inline-block;

}



.section h2::after {

  content: '';

  position: absolute;

  left: 0;

  bottom: -8px;

  width: 56px;

  height: 3px;

  background: linear-gradient(90deg, #c45410, #ff9f4a);

}



.section p {

  color: #4b5563;

}


/* ===== Gallery ===== */
.gallery {
  background: linear-gradient(180deg, #ffffff 0%, #fff4e8 100%);
}

.gallery-intro {
  max-width: 640px;
  margin-bottom: 32px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
}

.gallery-item {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(17, 24, 39, 0.08);
  background: #fff;
  box-shadow: var(--shadow);
}

.gallery-item img {
  width: 100%;
  height: 275px;
  object-fit: cover;
  display: block;
  object-position: center center;
}


/* ===== Company details & address ===== */

.company-details {

  list-style: none;

  padding: 0;

  margin: 18px 0 12px;

  display: grid;

  gap: 10px;

  grid-template-columns: repeat(2, minmax(0, 1fr));

}



.company-details li {

  padding: 10px 14px;

  border: 1px solid rgba(17, 24, 39, 0.09);

  background: #f9fafb;

  box-shadow: none;

  font-size: 0.95rem;

}



.company-details strong {

  font-weight: 600;

}



.company-address {

  font-style: normal;

  margin-top: 12px;

  padding: 14px 16px;

  background: #fff8f1;

  border: 1px solid rgba(196, 84, 16, 0.18);

  color: #374151;

  font-size: 0.95rem;

}



/* ===== Services grid ===== */

.grid {

  display: grid;

  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap: 20px;

}



.service {

  padding: 22px;

  border: 1px solid rgba(17, 24, 39, 0.08);

  background: linear-gradient(135deg, #ffffff, #fff7ee);

  box-shadow: var(--shadow);

}



.service h3 {

  margin: 6px 0 10px;

  font-size: 20px;

  color: #1f2a36;

  letter-spacing: 0.02em;

}



.service p {

  margin: 0;

  color: #4b5563;

}



/* ===== Contact ===== */

.contact {

  display: grid;

  gap: 24px;

}



.contact-grid {

  display: grid;

  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap: 24px;

}



.contact-cards {

  display: grid;

  gap: 12px;

}



.contact-card {

  padding: 16px;

  border: 1px solid rgba(17, 24, 39, 0.08);

  background: #fff;

  display: grid;

  gap: 6px;

  box-shadow: var(--shadow);

  transition: transform 0.12s ease, box-shadow 0.2s ease;

}



.contact-card:hover {

  transform: translateY(-2px);

  box-shadow: 0 20px 32px rgba(15, 23, 42, 0.08);

}



.label {

  font-size: 12px;

  letter-spacing: 0.4px;

  text-transform: uppercase;

  color: var(--muted);

}



.value {

  font-size: 19px;

  font-weight: 700;

  color: #1f2a36;

}



.small-print {

  color: #5d6b7b;

  margin: 0;

}



/* ===== Form ===== */

.contact-form {

  padding: 24px;

  background: #fff;

  border: 1px solid rgba(17, 24, 39, 0.08);

  box-shadow: var(--shadow);

}



.form-group {

  display: grid;

  gap: 6px;

  margin-bottom: 18px;

}



.form-group label {

  font-weight: 600;

  color: #223042;

}



.form-group input,

.form-group textarea {

  width: 100%;

  padding: 12px 14px;

  border: 1px solid rgba(17, 24, 39, 0.18);

  font: inherit;

  transition: border 0.2s ease, box-shadow 0.2s ease;

}



.form-group input:focus,

.form-group textarea:focus {

  outline: none;

  border-color: var(--accent);

  box-shadow: 0 0 0 3px rgba(196, 84, 16, 0.15);

}



.form-group textarea {

  resize: vertical;

  min-height: 160px;

}



.checkbox-group {

  display: flex;

  align-items: flex-start;

  gap: 10px;

  font-size: 0.9rem;

  color: #415163;

}



.checkbox-group input[type='checkbox'] {

  margin-top: 4px;

}



/* Honeypot field – κρυφό */

.hp-field {

  display: none;

}



.submit-btn {

  display: inline-flex;

  align-items: center;

  justify-content: center;

  padding: 12px 22px;

  background: var(--accent);

  color: #fff;

  border: none;

  font-weight: 600;

  cursor: pointer;

  transition:

    background 0.2s ease,

    transform 0.1s ease,

    box-shadow 0.2s ease;

}



.submit-btn:hover {

  background: var(--accent-dark);

  transform: translateY(-1px);

  box-shadow: 0 14px 24px rgba(196, 84, 16, 0.28);

}



/* ===== Footer ===== */

.site-footer {

  border-top: 1px solid var(--border);

  background: #f9fafb;

  box-shadow: 0 -6px 16px rgba(15, 23, 42, 0.04);

}



.footer-inner {

  display: flex;

  justify-content: space-between;

  align-items: center;

  padding: 20px 0 26px;

  color: #465466;

  font-size: 14px;

}



.footer-link {

  color: var(--accent);

}



.footer-link:hover {

  color: #111827;

}



/* ===== Responsive ===== */

@media (max-width: 980px) {

  .hero-inner {

    grid-template-columns: 1fr;

  }



  .hero-media {

    justify-content: flex-start;

  }



  .grid {

    grid-template-columns: repeat(2, minmax(0, 1fr));

  }



  .contact-grid {

    grid-template-columns: 1fr;

  }

}



@media (max-width: 720px) {

  .brand-logo {

    height: 56px;

  }



  .menu-toggle {

    display: block;  /* εδώ το εμφανίζουμε */

  }



  .main-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    background: #ffffff;
    flex-direction: column;
    gap: 4px;
    padding: 8px 16px 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.06);
    display: none;
  }



  .main-nav a {
    width: 100%;
  }



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

  .hero-actions {
    width: 100%;
  }



  .btn {
    flex: 1 1 240px;
    justify-content: center;
  }

  .company-details {
    grid-template-columns: 1fr;
  }

}



@media (max-width: 540px) {

  .hero {
      padding-top: 60px;
      padding-bottom: 40px;
  }

  .hero-text h1 {
      font-size: 22px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .contact-card {
    text-align: center;
  }

  .section {
      padding: 40px 0;
  }

  .checkbox-group {
      display: inline;
  }

  .gallery-item img{
    height: 100%;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;

  }

}