/* ==========================================================================
   Καθάργιος — style.css
   Παλέτα: primary #3B7277 / dark #010101 / background #FBFBFB
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --color-primary: #3B7277;
  --color-primary-dark: #2E5A5E;
  --color-dark: #010101;
  --color-bg: #FBFBFB;
  --color-white: #FFFFFF;
  --color-muted: rgba(1, 1, 1, 0.62);
  --color-line: rgba(1, 1, 1, 0.10);

  --font-sans: "Manrope", sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;

  --container: 1160px;
  --section-y: clamp(4.5rem, 9vw, 7.5rem);

  --transition: 0.25s ease;
}

/* ---------- Reset / base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-dark);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  max-width: 22ch;
}

h3 {
  font-size: 1.25rem;
}

/* Προσβασιμότητα: skip link και focus states */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 200;
  padding: 0.75rem 1.25rem;
  background-color: var(--color-dark);
  color: var(--color-white);
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: top var(--transition);
}

.skip-link:focus {
  top: 1rem;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.section {
  padding-block: var(--section-y);
}

/* Μικρή ετικέτα πάνω από τους τίτλους ενοτήτων */
.kicker {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.875rem;
}

.section-head {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-lead {
  margin-top: 0.625rem;
  color: var(--color-muted);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

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

.btn-outline {
  border-color: rgba(255, 255, 255, 0.65);
  color: var(--color-white);
}

.btn-outline:hover {
  background-color: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-dark);
}

.btn-light {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.btn-light:hover {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.btn-block {
  display: block;
  text-align: center;
  margin-top: 1.75rem;
}

.text-link {
  display: inline-block;
  margin-top: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: color var(--transition);
}

.text-link:hover {
  color: var(--color-dark);
}

/* ---------- Header / navigation ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding-block: 1.125rem;
  background-color: transparent;
  transition: background-color var(--transition), box-shadow var(--transition), padding var(--transition);
}

.site-header.is-scrolled,
.site-header.is-solid {
  background-color: var(--color-white);
  box-shadow: 0 1px 0 var(--color-line);
}

.site-header.is-scrolled {
  padding-block: 0.75rem;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-white);
  line-height: 1.1;
  transition: color var(--transition);
}

.brand-logo {
  height: 34px;
  width: auto;
  margin-bottom: 0.25rem;
}

.brand-year {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.75;
}

.site-header.is-scrolled .brand,
.site-header.is-solid .brand {
  color: var(--color-dark);
}

.site-nav {
  margin-left: auto;
}

.site-nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.site-nav a {
  font-size: 0.9375rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  transition: color var(--transition);
}

.site-nav a:hover {
  color: var(--color-white);
}

.site-header.is-scrolled .site-nav a,
.site-header.is-solid .site-nav a {
  color: var(--color-muted);
}

.site-header.is-scrolled .site-nav a:hover,
.site-header.is-solid .site-nav a:hover {
  color: var(--color-dark);
}

.header-phone {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-white);
  white-space: nowrap;
  transition: color var(--transition);
}

.site-header.is-scrolled .header-phone,
.site-header.is-solid .header-phone {
  color: var(--color-primary);
}

/* Hamburger — εμφανίζεται μόνο σε μικρές οθόνες */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: none;
  border: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-white);
  transition: transform var(--transition), opacity var(--transition), background-color var(--transition);
}

.site-header.is-scrolled .nav-toggle span,
.site-header.is-solid .nav-toggle span,
.site-header.menu-open .nav-toggle span {
  background-color: var(--color-dark);
}

.site-header.menu-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.menu-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.menu-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 92vh;
  color: var(--color-white);
}

.hero-media {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(1, 1, 1, 0.55), rgba(1, 1, 1, 0.55)),
    url("images/hero.jpg");
  background-size: cover;
  background-position: center;
}

.hero-content {
  position: relative;
  padding-block: 8rem 6rem;
}

.hero-kicker {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  margin-top: 1rem;
  font-size: clamp(1.0625rem, 2.2vw, 1.375rem);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
}

.about-text h2 {
  margin-bottom: 1.5rem;
}

.about-text p + p {
  margin-top: 1rem;
}

.about-text p {
  color: var(--color-muted);
}

.about-photo img {
  width: 100%;
  border-radius: var(--radius-md);
}

/* ---------- Services ---------- */
.services {
  background-color: var(--color-white);
  border-block: 1px solid var(--color-line);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

.service-card {
  padding: 2rem 1.75rem;
  background-color: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
}

.service-icon {
  width: 44px;
  height: 44px;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.service-card h3 {
  margin-bottom: 0.625rem;
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--color-muted);
}

/* ---------- Why us ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

.why-item {
  padding: 1.75rem 0 0;
  border-top: 2px solid var(--color-primary);
}

.why-item dt {
  font-size: clamp(1.75rem, 3.5vw, 2.375rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.why-item dd {
  margin-top: 0.25rem;
  color: var(--color-muted);
  font-weight: 500;
}

/* ---------- Gallery ---------- */
.gallery {
  background-color: var(--color-white);
  border-block: 1px solid var(--color-line);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 3vw, 2rem);
}

.gallery-item {
  overflow: hidden;
  border-radius: var(--radius-md);
}

.gallery-item img,
.gallery-item video {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  background-color: var(--color-dark);
}

.gallery-item img {
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.04);
}

.gallery-item--video video {
  cursor: pointer;
}

@media (min-width: 1025px) {
  .gallery-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .gallery-item--video {
    grid-column: span 3;
  }

  .gallery-item:not(.gallery-item--video) {
    grid-column: span 2;
  }
}

/* ---------- Reviews ---------- */
.reviews {
  padding-bottom: 0;
}

.reviews-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(2rem, 4vw, 3rem);
}

.reviews-score {
  width: 100%;
  max-width: 400px;
  padding: 2.25rem 2rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  text-align: center;
}

.reviews-number {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1;
}

.stars {
  color: var(--color-primary);
  letter-spacing: 0.1em;
  font-size: 1.125rem;
}

.reviews-score .stars {
  margin-top: 0.375rem;
}

.reviews-score .btn {
  margin-top: 1.25rem;
}

/* ---------- Call to action ---------- */
.cta {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding-block: clamp(4rem, 8vw, 6.5rem);
  text-align: center;
}

.cta h2 {
  max-width: 24ch;
  margin-inline: auto;
}

.cta p {
  margin-top: 1rem;
  color: rgba(255, 255, 255, 0.85);
}

.cta .btn {
  margin-top: 2.25rem;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: stretch;
}

.contact-map iframe {
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 0;
  border-radius: var(--radius-md);
}

.contact-card {
  padding: 2.5rem 2.25rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}

.contact-business-card {
  width: 100%;
  border-radius: var(--radius-sm);
  margin-bottom: 1.75rem;
}

.contact-card h3 {
  margin-bottom: 1.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-line);
}

.contact-row {
  margin-bottom: 1.5rem;
}

.contact-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.375rem;
}

.contact-row a {
  display: block;
  font-weight: 600;
  transition: color var(--transition);
}

.contact-row a:hover {
  color: var(--color-primary);
}

.contact-row small {
  font-weight: 500;
  color: var(--color-muted);
}

/* ---------- Legal page (privacy / cookies) ---------- */
.legal {
  padding-top: calc(var(--section-y) + 80px);
}

.legal-inner {
  max-width: 760px;
}

.legal h1 {
  font-size: clamp(1.875rem, 4vw, 2.625rem);
  margin-bottom: 0.5rem;
}

.legal-updated {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 2.5rem;
}

.legal section {
  margin-bottom: 2.25rem;
}

.legal h2 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.legal p {
  color: var(--color-muted);
}

.legal p + p {
  margin-top: 0.75rem;
}

.legal ul {
  margin: 0.75rem 0 0 1.25rem;
  color: var(--color-muted);
}

.legal li + li {
  margin-top: 0.375rem;
}

.legal a:not(.text-link) {
  color: var(--color-primary);
  font-weight: 600;
}

.legal a:not(.text-link):hover {
  text-decoration: underline;
}

/* ---------- Footer ---------- */
.site-footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.72);
  padding-block: 3.5rem 0;
  font-size: 0.9375rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 2.5rem;
  padding-bottom: 2.5rem;
}

.site-footer .brand {
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-nav a,
.footer-contact a {
  display: block;
  transition: color var(--transition);
}

.footer-nav a:hover,
.footer-contact a:hover {
  color: var(--color-white);
}

.footer-contact a + a {
  margin-top: 0.5rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-block: 1.5rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
}

.footer-credit a {
  font-weight: 600;
}

.footer-heart {
  display: inline-block;
  width: 0.9em;
  height: 0.9em;
  vertical-align: -0.1em;
  margin-left: 0.15em;
  color: #c45c5c;
}

.footer-bottom a {
  transition: color var(--transition);
}

.footer-bottom a:hover {
  color: var(--color-white);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

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

/* Tablet */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .why-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem 1.5rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Mobile navigation breakpoint */
@media (max-width: 860px) {
  .header-phone {
    display: none;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(320px, 85vw);
    margin: 0;
    padding: 6.5rem 2.25rem 2rem;
    background-color: var(--color-white);
    box-shadow: -1px 0 0 var(--color-line);
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }

  .site-header.menu-open .site-nav {
    transform: none;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 1.5rem;
  }

  .site-nav a {
    font-size: 1.125rem;
    color: var(--color-dark);
  }

  .site-header.menu-open .brand {
    color: var(--color-dark);
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-photo {
    order: -1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Mobile */
@media (max-width: 560px) {
  .hero {
    min-height: 100svh;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }

  .services-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

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

  .contact-card {
    padding: 2rem 1.5rem;
  }
}