/* =============================================
   ZOURNTOS — Πολιτικός Μηχανικός
   Light Engineering Theme
   ============================================= */
@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@200..800&display=swap");
:root {
  --bg: #f7f6f3;
  --bg-2: #f0efeb;
  --bg-3: #eae9e4;
  --white: #ffffff;
  --logo-bg: #f1f1f1;
  --ink: #141414;
  --ink-2: #2e2e2e;
  --ink-3: #555555;
  --ink-4: #888888;
  --border: rgba(0, 0, 0, 0.08);
  --border-2: rgba(0, 0, 0, 0.14);
  --red: #7a90bc;
  --red-dark: #4b6294;
  --red-light: #9aabd0;
  --font-display: "Manrope", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --nav-h: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}

/* =============================================
   NAVIGATION
   ============================================= */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: #f1f1f1;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  transition: var(--transition);
  overflow: visible;
}

#navbar.scrolled {
  box-shadow: 0 2px 32px rgba(0, 0, 0, 0.08);
}

.nav-inner {
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  cursor: pointer;
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
}

/* Logo always on #f1f1f1 */
.logo-img {
  height: 52.8px;
  width: auto;
  max-width: 242px;
  object-fit: contain;
  background: transparent;
  padding: 0;
}

.logo-text {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  align-items: center;
  margin-top: 4px;
}

.logo-text small {
  display: block;
  margin-top: -5px;
  font-weight: 400;
  font-size: 0.68rem;
  color: var(--ink-3);
  letter-spacing: 0.06em;
}

.nav-links {
  display: none;
  list-style: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  width: 100%;
  grid-column: 1 / -1;
  justify-self: stretch;
  background: rgba(241, 241, 241, 0.98);
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem 2rem;
  gap: 1.68rem;
  border-bottom: 1px solid var(--border);
  z-index: 1001;
  backdrop-filter: blur(12px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.08);
}

.hero-intro .nav-links {
  left: -1.5rem;
  width: calc(100% + 3rem);
}

.nav-links li {
  width: 100%;
  display: flex;
  justify-content: center;
}

.nav-link {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  position: relative;
  transition: color var(--transition);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 1.5px;
  background: var(--red);
  transform: translateX(-50%);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--ink);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.cta-link {
  color: var(--white) !important;
  background: var(--red);
  padding: 0.5rem 1.2rem;
  border-radius: 2px;
  transition: background var(--transition) !important;
}
.cta-link::after {
  display: none;
}
.cta-link:hover {
  background: var(--red-dark) !important;
}
.cta-link.active {
  color: var(--white) !important;
}

.nav-toggle {
  display: none;
}

.hamburger {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  cursor: pointer;
  grid-column: 3;
  grid-row: 1;
  justify-self: end;
  z-index: 1002;
  box-shadow: none;
}

.hamburger:hover {
  background: transparent;
  box-shadow: none;
}

.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  min-height: 2px;
  max-height: 2px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 1px;
  background: var(--ink);
  flex: 0 0 2px;
  transition: var(--transition);
}

.nav-toggle:checked ~ .nav-links {
  display: flex;
}

.nav-toggle:checked ~ .hamburger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle:checked ~ .hamburger span:nth-child(2) {
  opacity: 0;
}

.nav-toggle:checked ~ .hamburger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 769px) {
  #navbar .hamburger {
    display: none;
  }

  #navbar .nav-inner {
    grid-template-columns: auto 1fr;
  }

  #navbar .nav-links {
    display: flex;
    position: static;
    top: auto;
    left: auto;
    right: auto;
    width: auto;
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    background: transparent;
    flex-direction: row;
    align-items: center;
    text-align: left;
    padding: 0;
    gap: 1.19rem 1.61rem;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
    z-index: 1;
  }

  #navbar .nav-links li {
    width: auto;
    display: block;
    justify-content: flex-start;
  }

  #navbar .nav-link::after {
    left: 0;
    transform: none;
  }
}

/* =============================================
   BUTTONS
   ============================================= */
.btn-primary {
  background: var(--red);
  color: var(--white);
  border: none;
  padding: 0.9rem 2.2rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background var(--transition),
    transform var(--transition);
  border-radius: 2px;
  display: inline-block;
}
.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--border-2);
  padding: 0.9rem 2.2rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    border-color var(--transition),
    background var(--transition);
  border-radius: 2px;
  display: inline-block;
}
.btn-ghost:hover {
  border-color: var(--ink);
  background: rgba(0, 0, 0, 0.03);
}

.btn-outline {
  background: transparent;
  color: var(--ink-2);
  border: 1.5px solid var(--border-2);
  padding: 0.8rem 2rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
  border-radius: 2px;
  display: inline-block;
  margin-top: 1.5rem;
}
.btn-outline:hover {
  border-color: var(--red);
  color: var(--red);
}

.btn-text {
  background: none;
  border: none;
  color: var(--red);
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: color var(--transition);
  display: inline-block;
}
.btn-text:hover {
  color: var(--red-dark);
}

.btn-large {
  padding: 1.1rem 2.8rem;
  font-size: 0.9rem;
}
.btn-full {
  width: 100%;
}

/* =============================================
   SECTION HELPERS
   ============================================= */
.section-label {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.8rem;
  font-weight: 500;
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  overflow: visible;
  background: var(--bg);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: none;
  margin: 0 auto;
  padding: 0;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

.hero-intro {
  text-align: center;
  animation: fadeInUp 0.8s 0.08s ease both;
  width: 100%;
  background: #f1f1f1;
  background-image: none;
  padding: 0.85rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 88px;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  position: relative;
  z-index: 5;
}

.hero-intro-logo {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: 0;
}

.hero-intro .hamburger {
  grid-column: 3;
  grid-row: 1;
  justify-self: end;
  z-index: 1002;
}

@media (min-width: 769px) {
  .hero-intro .nav-links {
    display: flex;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-6px);
    transition:
      opacity 0.38s ease,
      transform 0.38s ease,
      visibility 0.38s ease;
  }

  .hero-intro .nav-links li {
    opacity: 0;
    transform: translateY(-5px);
    transition:
      opacity 0.32s ease,
      transform 0.32s ease;
  }

  .hero-intro .nav-toggle:checked ~ .nav-links {
    display: flex;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .hero-intro .nav-toggle:checked ~ .nav-links li {
    opacity: 1;
    transform: none;
  }

  .hero-intro .nav-toggle:checked ~ .nav-links li:nth-child(1) {
    transition-delay: 0.04s;
  }
  .hero-intro .nav-toggle:checked ~ .nav-links li:nth-child(2) {
    transition-delay: 0.08s;
  }
  .hero-intro .nav-toggle:checked ~ .nav-links li:nth-child(3) {
    transition-delay: 0.12s;
  }
  .hero-intro .nav-toggle:checked ~ .nav-links li:nth-child(4) {
    transition-delay: 0.16s;
  }
  .hero-intro .nav-toggle:checked ~ .nav-links li:nth-child(5) {
    transition-delay: 0.2s;
  }

  @media (prefers-reduced-motion: reduce) {
    .hero-intro .nav-links,
    .hero-intro .nav-links li {
      transform: none;
      transition: opacity 0.15s ease, visibility 0.15s ease;
    }

    .hero-intro .nav-toggle:checked ~ .nav-links li:nth-child(n) {
      transition-delay: 0s;
    }
  }
}

.hero-banner {
  width: min(400px, 42vw);
  height: auto;
  margin: 0 auto;
  display: block;
}

.hero-kicker {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 0.85rem;
}

.hero-office {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.15rem, 1.4vw + 0.85rem, 1.7rem);
  letter-spacing: 0.04em;
  color: var(--ink-2);
  line-height: 1.35;
  margin-bottom: 0.45rem;
}

.hero-role {
  font-size: 0.78rem;
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.08em;
  color: var(--ink-4);
}

.hero-cards {
  position: relative;
  width: 100%;
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 1.15rem;
  background-color: var(--white);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cg fill='none' stroke-linecap='square'%3E%3Cpath stroke='rgba(20,20,20,0.045)' stroke-width='0.7' d='M-10 32 L170 8 M-10 78 L170 48 M-10 128 L170 96 M22 -10 L58 170 M88 -10 L118 170 M142 -10 L166 170'/%3E%3Cpath stroke='rgba(122,144,188,0.06)' stroke-width='0.55' d='M-10 50 L170 28 M-10 108 L170 82 M48 -10 L86 170'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 160px 160px;
  padding: 1.15rem 1.4rem 1.6rem;
  min-height: calc(100vh - 8.5rem);
  animation: fadeInUp 0.8s 0.18s ease both;
}

.hero-cards > * {
  position: relative;
  z-index: 1;
}

.hero-card-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-rows: 1fr auto auto auto;
  column-gap: 1.15rem;
  row-gap: 0;
  background: transparent;
  min-height: 0;
}

.hero-card-pair .hero-card {
  display: grid;
  grid-template-rows: subgrid;
  grid-row: 1 / -1;
}

.hero-card-pair .hero-card h2 {
  grid-row: 2;
}

.hero-card-pair .hero-card p {
  grid-row: 3;
}

.hero-card-pair .hero-card .hero-card-more {
  grid-row: 4;
}

.hero-card-split {
  display: grid;
  grid-template-rows: 1fr 1fr;
  min-height: 0;
  gap: 1.15rem;
  background: transparent;
}

.hero-card {
  --card-image: none;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 0;
  height: 100%;
  background: var(--white);
  padding: 2rem 1.75rem 1.6rem;
  border-radius: 16px;
  border: none;
  box-shadow:
    0 14px 36px rgba(20, 20, 20, 0.12),
    0 2px 8px rgba(20, 20, 20, 0.05);
  transition:
    background var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
}

.hero-card-split .hero-card {
  padding: 1.5rem 1.5rem 1.25rem;
}

.hero-card > * {
  position: relative;
  z-index: 2;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: var(--card-image);
  background-size: cover;
  background-position: var(--card-pos, 50% 50%);
  background-repeat: no-repeat;
  transform: scale(1);
  transform-origin: center center;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(10, 10, 10, 0.32) 0%,
    rgba(10, 10, 10, 0.42) 32%,
    rgba(10, 10, 10, 0.7) 100%
  );
  opacity: 0;
  transition:
    opacity var(--transition),
    background var(--transition);
}

.hero-card--image {
  box-shadow:
    0 14px 36px rgba(20, 20, 20, 0.12),
    0 2px 8px rgba(20, 20, 20, 0.05);
}

.hero-card--image::after {
  opacity: 1;
}

.hero-card:hover {
  z-index: 3;
  transform: translateY(-8px);
  box-shadow:
    0 22px 48px rgba(20, 20, 20, 0.18),
    0 6px 16px rgba(20, 20, 20, 0.08);
}

.hero-card:hover::before {
  transform: scale(1.06);
}

.hero-card--image:hover::after {
  background: linear-gradient(
    180deg,
    rgba(10, 10, 10, 0.36) 0%,
    rgba(10, 10, 10, 0.48) 32%,
    rgba(10, 10, 10, 0.78) 100%
  );
}

.hero-card:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: -2px;
}

.hero-card h2 {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.7rem;
  line-height: 1.4;
}

.hero-card p {
  font-size: 0.88rem;
  color: var(--ink-3);
  line-height: 1.7;
}

.hero-card-more {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition:
    color var(--transition),
    transform var(--transition),
    letter-spacing var(--transition);
}

.hero-card:hover .hero-card-more {
  color: var(--red-dark);
  transform: translateX(4px);
}

.hero-card--image h2,
.hero-card--image p {
  color: var(--white);
  text-shadow: 0 1px 16px rgba(0, 0, 0, 0.45);
}

.hero-card--image h2 {
  font-size: 1.05rem;
}

.hero-card--image .hero-card-more {
  color: var(--red);
  border-top-color: rgba(255, 255, 255, 0.22);
}

.hero-card--image:hover .hero-card-more {
  color: var(--red-light);
}

@media (prefers-reduced-motion: reduce) {
  .hero-card:hover {
    transform: none;
  }
  .hero-card:hover::before {
    transform: none;
  }
  .hero-card:hover .hero-card-more {
    transform: none;
  }
}

@media (max-width: 860px) {
  .hero-cards {
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 1rem 1rem 1.4rem;
    gap: 1rem;
  }

  .hero-card-pair {
    grid-template-columns: 1fr;
    grid-template-rows: none;
    gap: 1rem;
  }

  .hero-card-pair .hero-card {
    display: flex;
    grid-row: auto;
  }

  .hero-card {
    min-height: 18rem;
  }

  .hero-card-split .hero-card {
    min-height: 14rem;
  }
}

.hero-actions {
  align-self: center;
  justify-content: center;
  display: flex;
  gap: 1rem;
  animation: fadeInUp 0.8s 0.3s ease both;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  animation: fadeInUp 0.8s 0.6s ease both;
}

.hero-scroll-hint span {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--red), transparent);
  animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
  0%,
  100% {
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
}

/* =============================================
   SERVICES STRIP
   ============================================= */
.services-strip {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.strip-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: stretch;
}

.strip-item {
  flex: 1;
  padding: 3rem 2.5rem;
  display: flex;
  gap: 1.5rem;
  cursor: pointer;
  transition: background var(--transition);
  text-decoration: none;
  color: inherit;
}
.strip-item:hover {
  background: var(--bg-2);
}
.strip-item:hover .strip-arrow {
  color: var(--red);
  transform: translateX(4px);
}

.strip-divider {
  width: 1px;
  background: var(--border);
  flex-shrink: 0;
}

.strip-num {
  font-size: 2.5rem;
  font-weight: 200;
  color: rgba(122, 144, 188, 0.2);
  line-height: 1;
  flex-shrink: 0;
}

.strip-info h3 {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.strip-info p {
  font-size: 0.85rem;
  color: var(--ink-3);
  line-height: 1.6;
}

.strip-arrow {
  display: block;
  color: var(--border-2);
  font-size: 1.2rem;
  margin-top: 1rem;
  transition:
    color var(--transition),
    transform var(--transition);
}

/* =============================================
   HOME — SERVICES OVERVIEW
   ============================================= */
.home-services {
  padding: 6rem 2rem;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.home-services-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.home-services-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.home-services-header h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 300;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.12;
}

.home-services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.35rem;
}

.home-service-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  padding: 1.75rem 1.75rem 1.5rem;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.07);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.8) inset,
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 14px 36px rgba(0, 0, 0, 0.07);
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
  min-height: 100%;
}

.home-service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(122, 144, 188, 0.22);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.8) inset,
    0 4px 12px rgba(0, 0, 0, 0.06),
    0 22px 48px rgba(0, 0, 0, 0.1);
}

.home-service-card:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

.home-service-card h3 {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.65rem;
}

.home-service-card p {
  font-size: 0.85rem;
  color: var(--ink-3);
  line-height: 1.7;
  flex: 1;
}

.home-service-more {
  margin-top: 1.35rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 500;
}

.home-service-card:hover .home-service-more {
  color: var(--red-dark);
}

@media (prefers-reduced-motion: reduce) {
  .home-service-card:hover {
    transform: none;
  }
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about-section {
  background: #eaebe4;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 8rem 2rem;
}

.about-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8rem;
  align-items: center;
}

.about-text h2 {
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  font-weight: 200;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}
.about-text h2 em {
  font-style: normal;
  font-weight: 700;
}

.about-text p {
  font-size: 0.95rem;
  color: var(--ink-3);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.blueprint-img {
  height: 100%;
  width: 100%;
  background-image: url("abstract_building.webp");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100%;
}
/* =============================================
   FEATURED PROJECTS
   ============================================= */
.featured-projects {
  padding: 6rem 2rem;
  background: var(--bg-2);
}

.fp-header {
  max-width: 1280px;
  margin: 0 auto 3rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.fp-header h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 200;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.fp-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1.5px;
  background: var(--border);
}

.fp-card {
  background: var(--white);
  overflow: hidden;
  cursor: pointer;
  transition: background var(--transition);
}
.fp-card:hover {
  background: var(--bg-3);
}
.fp-card:hover .fp-card-img {
  filter: brightness(0.92);
}

.fp-card-img {
  height: 280px;
  transition: filter var(--transition);
}
.fp-card--large .fp-card-img {
  height: 380px;
}

.fp-card-info {
  padding: 1.5rem;
}

.fp-tag {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.5rem;
  display: block;
  font-weight: 500;
}

.fp-card-info h3 {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.3rem;
}
.fp-card-info p {
  font-size: 0.8rem;
  color: var(--ink-3);
}

/* =============================================
   PROCESS
   ============================================= */
.process-section {
  padding: 8rem 2rem;
  background: var(--bg);
}
.process-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.process-inner h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 200;
  color: var(--ink);
  margin-bottom: 4rem;
  max-width: 500px;
  letter-spacing: -0.02em;
}
.process-inner h2 em {
  font-style: normal;
  font-weight: 700;
}

.process-steps {
  display: flex;
  align-items: flex-start;
}

.process-step {
  flex: 1;
  padding: 2rem;
  border: 1px solid var(--border);
  background: var(--white);
  transition:
    background var(--transition),
    border-color var(--transition);
}
.process-step:hover {
  background: var(--bg-2);
  border-color: rgba(122, 144, 188, 0.2);
}

.step-num {
  font-size: 3rem;
  font-weight: 200;
  color: rgba(122, 144, 188, 0.2);
  line-height: 1;
  margin-bottom: 1rem;
}

.process-step h4 {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--ink-3);
  line-height: 1.7;
}

.process-connector {
  width: 1px;
  height: 60px;
  background: rgba(122, 144, 188, 0.2);
  margin-top: 3rem;
  flex-shrink: 0;
}

/* =============================================
   CTA BAND
   ============================================= */
.cta-band {
  background: var(--ink);
  padding: 6rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: -50%;
  width: 200%;
  height: 200%;
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 28px,
    rgba(255, 255, 255, 0.025) 28px,
    rgba(255, 255, 255, 0.025) 29px
  );
  pointer-events: none;
}

.cta-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 200;
  color: var(--white);
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

.cta-inner p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 2.5rem;
}

/* =============================================
   INNER HERO (inner pages)
   ============================================= */
.inner-hero {
  padding: calc(var(--nav-h) + 5rem) 2rem 5rem;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.inner-hero::before {
  content: "";
  position: absolute;
  inset: -50%;
  width: 200%;
  height: 200%;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 32px,
    rgba(122, 144, 188, 0.04) 32px,
    rgba(122, 144, 188, 0.04) 33px
  );
  pointer-events: none;
}

.inner-hero--red::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(to left, rgba(122, 144, 188, 0.04), transparent);
}

.inner-hero-content {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
}

.inner-hero h1 {
  font-size: clamp(2.15rem, 4.4vw, 4rem);
  font-weight: 200;
  color: var(--ink);
  line-height: 1.08;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}
.inner-hero h1 em {
  font-style: normal;
  font-weight: 700;
}

.inner-hero p {
  font-size: 1rem;
  color: var(--ink-3);
  max-width: 560px;
  line-height: 1.7;
}

.inner-hero--compact {
  padding: calc(var(--nav-h) + 2.75rem) 2rem 2.5rem;
}

.inner-hero--compact h1 {
  margin-bottom: 0.85rem;
}

/* =============================================
   FEATURED STATIC STUDIES
   ============================================= */
.studies-featured {
  padding: 6rem 2rem;
  background: var(--bg);
}

.sf-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.sf-header {
  margin-bottom: 3.5rem;
}

.sf-header h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 200;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.sf-intro {
  max-width: 46em;
  margin-top: 0.9rem;
  font-size: 1.05rem;
  font-weight: 450;
  color: var(--ink-2);
  line-height: 1.7;
}

.sf-intro a {
  color: var(--red);
  font-weight: 650;
  transition: color var(--transition);
}

.sf-intro a:hover {
  color: var(--red-dark);
}

.studies-featured--restore .sf-intro {
  max-width: none;
}

.sf-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.sf-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--white);
  overflow: hidden;
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.06);
  height: 41.8rem;
  align-items: stretch;
  color: inherit;
  text-decoration: none;
  transition: box-shadow var(--transition);
}

a.sf-item {
  cursor: pointer;
}

a.sf-item:hover {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12);
}

a.sf-item:hover .sf-photo img {
  transform: scale(1.04);
}

.sf-item--reverse {
  grid-template-columns: 1fr 1fr;
}

.sf-item--reverse .sf-photo {
  order: 2;
}

.sf-photo {
  min-height: 0;
  height: 100%;
  background: var(--bg-3);
  overflow: hidden;
}

.sf-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.45s ease;
}

.sf-body {
  padding: clamp(1.75rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sf-loc {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 650;
  margin-bottom: 0.7rem;
}

.sf-body h3 {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
  line-height: 1.3;
}

.sf-body p {
  font-size: 0.9rem;
  color: var(--ink-3);
  line-height: 1.75;
  max-width: 42em;
}

.sf-cta {
  display: inline-block;
  align-self: flex-start;
  margin-top: 1.15rem;
  color: var(--red);
  font-size: 0.95rem;
  font-weight: 200;
  font-style: italic;
  letter-spacing: 0.01em;
  line-height: 1.4;
}

.sf-more {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

/* =============================================
   SERVICE DETAIL
   ============================================= */
.service-detail {
  padding: 6rem 2rem;
  background: var(--bg);
}

.service-detail--rule {
  border-bottom: 1px solid var(--border);
  padding-bottom: 3.5rem;
}

.service-detail--rule .sd-intro {
  margin-bottom: 0;
}

.service-detail--rule + .studies-featured {
  padding-top: 3.5rem;
}
.sd-inner {
  max-width: 1280px;
  margin: 0 auto;
}
.sd-block + .sd-block {
  margin-top: 4.5rem;
}
.sd-intro {
  max-width: 700px;
  margin-bottom: 2.5rem;
}

.sd-intro--full {
  max-width: none;
}

.sd-intro--full .sd-when {
  max-width: none;
}

.sd-intro h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 200;
  color: var(--ink);
  margin-bottom: 1.5rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.sd-intro p {
  font-size: 0.95rem;
  color: var(--ink-3);
  line-height: 1.8;
}

.sd-intro p + p {
  margin-top: 1rem;
}

.sd-when {
  max-width: 700px;
  margin-top: 1.75rem;
  padding-left: 1.15rem;
  color: var(--ink-3);
}

.sd-when li {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 0.45rem;
}

.sd-more {
  display: inline-block;
  margin-top: 1.15rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--red);
  transition: color var(--transition);
}

.sd-more:hover {
  color: var(--red-dark);
}

.studies-featured--after {
  padding-top: 0;
}

.studies-featured--restore .sf-item {
  height: 23.91rem;
}

.sd-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--border);
}

.sd-card {
  background: var(--white);
  padding: 2.5rem;
  transition: background var(--transition);
  border-left: 3px solid transparent;
}
.sd-card:hover {
  background: var(--bg-2);
  border-left-color: var(--red);
}

.sd-icon {
  font-size: 1rem;
  color: var(--red);
  margin-bottom: 1rem;
}

.sd-card h4 {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.sd-card p {
  font-size: 0.85rem;
  color: var(--ink-3);
  line-height: 1.7;
}

/* =============================================
   TYPES SECTION
   ============================================= */
.types-section {
  padding: 6rem 2rem;
  background: var(--bg-2);
}
.types-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.types-inner h2 {
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 200;
  color: var(--ink);
  margin-bottom: 2.5rem;
  letter-spacing: -0.02em;
}

.types-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--border);
}

.type-item {
  background: var(--white);
  padding: 1.8rem 2rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  transition: background var(--transition);
}
.type-item:hover {
  background: var(--bg-3);
}

.type-item span {
  font-size: 1.5rem;
  font-weight: 200;
  color: rgba(122, 144, 188, 0.2);
  flex-shrink: 0;
}
.type-item p {
  font-size: 0.85rem;
  color: var(--ink-2);
}

/* =============================================
   WARNING SECTION
   ============================================= */
.warning-section {
  padding: 6rem 2rem;
  background: var(--bg);
}
.warning-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.warning-inner h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 200;
  color: var(--ink);
  margin-bottom: 3rem;
  letter-spacing: -0.02em;
}

.warning-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.warning-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.5rem;
  border: 1px solid var(--border);
  background: var(--white);
  transition: border-color var(--transition);
}
.warning-item:hover {
  border-color: rgba(122, 144, 188, 0.3);
}

.w-bullet {
  width: 8px;
  height: 8px;
  background: var(--red);
  border-radius: 50%;
  margin-top: 0.45rem;
  flex-shrink: 0;
}
.warning-item p {
  font-size: 0.88rem;
  color: var(--ink-3);
  line-height: 1.6;
}

/* =============================================
   PROJECTS PAGE
   ============================================= */
.projects-section {
  padding: clamp(3.5rem, 8vw, 5.5rem) clamp(1rem, 4vw, 2rem);
  background: var(--bg);
}

.proj-shell {
  max-width: 1280px;
  margin: 0 auto;
}

.proj-filter {
  display: flex;
  gap: 0.5rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
  flex-wrap: wrap;
  justify-content: center;
}

@media (min-width: 720px) {
  .proj-filter {
    justify-content: flex-start;
  }
}

.filter-radio {
  display: none;
}

.filter-btn {
  background: var(--white);
  border: 1px solid var(--border-2);
  color: var(--ink-3);
  padding: 0.5rem 1.2rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
  border-radius: 2px;
  display: inline-block;
}
.filter-btn:hover {
  border-color: var(--ink);
  color: var(--ink);
}

#f-all:checked ~ .proj-shell .proj-filter label[for="f-all"],
#f-static:checked ~ .proj-shell .proj-filter label[for="f-static"],
#f-rest:checked ~ .proj-shell .proj-filter label[for="f-rest"] {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

/* Έργο εμφανίζεται σε φίλτρο αν έχει την αντίστοιχη cat-* */
#f-static:checked ~ .proj-shell .proj-card:not(.cat-static),
#f-rest:checked ~ .proj-shell .proj-card:not(.cat-rest) {
  display: none;
}

@keyframes proj-show-all {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes proj-show-static {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes proj-show-rest {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#f-all:checked ~ .proj-shell .proj-card {
  animation: proj-show-all 0.4s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

#f-static:checked ~ .proj-shell .proj-card.cat-static {
  animation: proj-show-static 0.4s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

#f-rest:checked ~ .proj-shell .proj-card.cat-rest {
  animation: proj-show-rest 0.4s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: clamp(1rem, 2.5vw, 1.35rem);
}

.proj-card {
  background: var(--white);
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid rgba(0, 0, 0, 0.07);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.85) inset,
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 12px 32px rgba(0, 0, 0, 0.06);
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  cursor: default;
}

.proj-card:hover {
  transform: translateY(-4px);
  border-color: rgba(122, 144, 188, 0.2);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.85) inset,
    0 4px 12px rgba(0, 0, 0, 0.06),
    0 20px 44px rgba(0, 0, 0, 0.1);
}

.proj-thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-3);
}

.proj-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.proj-meta {
  padding: 1.25rem 1.35rem 1.4rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.proj-tag {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 500;
  margin-bottom: 0.55rem;
  display: block;
}

.proj-meta h3 {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0;
  line-height: 1.35;
}

@media (prefers-reduced-motion: reduce) {
  .proj-card:hover {
    transform: none;
  }

  #f-all:checked ~ .proj-shell .proj-card,
  #f-static:checked ~ .proj-shell .proj-card.cat-static,
  #f-rest:checked ~ .proj-shell .proj-card.cat-rest {
    animation: none;
  }
}

/* =============================================
   CONTACT
   ============================================= */
.contact-section {
  padding: 6rem 2rem;
  background: var(--bg);
}

.contact-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 6rem;
}

.contact-info h2,
.contact-form-wrap h2 {
  font-size: 2rem;
  font-weight: 200;
  color: var(--ink);
  margin-bottom: 2.5rem;
  letter-spacing: -0.02em;
}

.info-item {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.info-label {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.4rem;
  font-weight: 500;
}
.info-val {
  font-size: 0.95rem;
  color: var(--ink-2);
}
.info-val a {
  transition: color var(--transition);
}
.info-val a:hover {
  color: var(--red);
}

.remote-notice {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid rgba(122, 144, 188, 0.2);
  background: rgba(122, 144, 188, 0.03);
  margin-top: 2rem;
}

.rn-icon {
  font-size: 1.4rem;
  color: var(--red);
  flex-shrink: 0;
  line-height: 1.4;
}
.remote-notice p {
  font-size: 0.85rem;
  color: var(--ink-3);
  line-height: 1.7;
}
.remote-notice strong {
  color: var(--ink);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--white);
  border: 1px solid var(--border-2);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 300;
  padding: 0.8rem 1rem;
  border-radius: 2px;
  outline: none;
  transition: border-color var(--transition);
  appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--ink-4);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--red);
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23555' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-color: var(--white);
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-note {
  font-size: 0.75rem;
  color: var(--ink-4);
  text-align: center;
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--ink);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.6rem 2rem;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  column-gap: 2.5rem;
  row-gap: 0.55rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  grid-row: 1 / span 2;
}

.footer-logo {
  width: auto;
  height: 72px;
  object-fit: contain;
  background: transparent;
  padding: 0;
}

.footer-brand p {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
  padding-right: 1.1rem;
  margin-right: 1.1rem;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  font-weight: 500;
  flex: none;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
}

.footer-links li:not(:last-child) {
  padding-right: 1.1rem;
  margin-right: 1.1rem;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-links a,
.footer-contact p,
.footer-contact a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition);
}
.footer-links a:hover,
.footer-contact a:hover {
  color: var(--red-light);
}

.footer-links h4 a,
.footer-contact h4 a {
  font-size: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  color: inherit;
  font-weight: inherit;
}

.footer-links h4 a:hover,
.footer-contact h4 a:hover {
  color: var(--red-light);
}

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 0;
  row-gap: 0.4rem;
}

.footer-contact p {
  margin: 0;
}

.footer-contact p:not(:last-child) {
  padding-right: 1.1rem;
  margin-right: 1.1rem;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding: 1.1rem 2rem;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.2);
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    grid-row: auto;
  }
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =============================================
   CSS-ONLY NAV TOGGLE (no JS)
   ============================================= */
@media (max-width: 768px) {
  .hamburger {
    cursor: pointer;
    z-index: 1002;
  }
  .logo-img {
    height: 44px;
    max-width: 176px;
  }
  .hero-actions {
    flex-direction: column; /* Το ένα κάτω από το άλλο */
    align-items: center; /* Κεντράρισμα στον άξονα */
  }
  .hero-actions a {
    width: 100%; /* Προαιρετικό: Τα κουμπιά πιάνουν όλο το πλάτος */
    max-width: 300px; /* Προαιρετικό: Για να μην απλώνουν υπερβολικά */
    text-align: center;
  }

  .home-services-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .fp-grid {
    grid-template-columns: 1fr 1fr;
  }
  .fp-card--large {
    grid-column: span 2;
  }
  .sd-cards {
    grid-template-columns: 1fr 1fr;
  }
  .sf-item,
  .sf-item--reverse {
    grid-template-columns: 1fr;
    height: auto;
  }
  .sf-item--reverse .sf-photo {
    order: 0;
  }
  .sf-photo {
    height: auto;
    min-height: 220px;
    aspect-ratio: 16 / 10;
  }
  .sf-body {
    padding: 1.25rem 1.35rem 1.5rem;
    justify-content: flex-start;
  }
  .sf-body h3 {
    margin-bottom: 0.95rem;
    font-size: 1.15rem;
  }
  .sf-body p {
    display: none;
  }
  .sf-cta {
    display: inline-block;
    align-self: flex-start;
    margin-top: 0;
    background: var(--red);
    color: var(--white);
    padding: 0.7rem 1.2rem;
    font-size: 0.72rem;
    font-weight: 600;
    font-style: normal;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 2px;
    line-height: 1.3;
  }
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .footer-inner {
    align-items: flex-start;
  }
  .strip-inner {
    flex-direction: column;
  }
  .strip-divider {
    width: 100%;
    height: 1px;
  }
  .process-steps {
    flex-direction: column;
  }
  .process-connector {
    width: 60px;
    height: 1px;
    margin: 0 2rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .types-grid {
    grid-template-columns: 1fr 1fr;
  }
  .warning-grid {
    grid-template-columns: 1fr;
  }
  .fp-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.35rem;
  }
  }


/* =============================================
   PROJECT DETAIL
   ============================================= */
.pd-section {
  padding: 4rem 2rem 6rem;
  background: var(--bg);
}

.pd-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.pd-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
  margin-bottom: 2.5rem;
}

.pd-fact {
  background: var(--white);
  padding: 1.25rem 1.4rem;
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.05);
}

.pd-fact span {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 650;
  margin-bottom: 0.35rem;
}

.pd-fact p {
  font-size: 0.95rem;
  color: var(--ink);
  line-height: 1.5;
}

.pd-copy {
  max-width: none;
  font-size: 1.02rem;
  color: var(--ink-2);
  line-height: 1.85;
  margin-bottom: 2.5rem;
}

.pd-copy p + p {
  margin-top: 1rem;
}

.pd-gallery {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 0.85rem;
  margin-bottom: 2.75rem;
}

.pd-gallery:not(:has(img)) {
  display: none;
}

.pd-gallery:has(> img:only-child) {
  grid-template-columns: 1fr;
  grid-template-rows: auto;
}

.pd-gallery:has(> img:nth-child(2):last-child) {
  grid-template-columns: 1.35fr 1fr;
  grid-template-rows: auto;
}

.pd-gallery img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  display: block;
  background: var(--bg-3);
}

.pd-gallery img[hidden] {
  display: none;
}

.pd-gallery img:first-child {
  grid-row: span 2;
  min-height: 460px;
}

.pd-gallery:has(> img:only-child) img:first-child,
.pd-gallery:has(> img:nth-child(2):last-child) img:first-child {
  grid-row: auto;
}

.pd-back {
  display: inline-block;
  margin-bottom: 3rem;
}

@media (max-width: 1024px) {
  .pd-facts {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .pd-facts {
    grid-template-columns: 1fr;
  }
  .pd-gallery {
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }
  .pd-gallery img:first-child {
    grid-row: auto;
    min-height: 240px;
  }
}

@media (prefers-reduced-motion: reduce) {
  a.sf-item:hover .sf-photo img {
    transform: none;
  }
}

/* =============================================
   PROJECT PAGE TRANSITIONS
   ============================================= */
@view-transition {
  navigation: auto;
}

::view-transition-group(root) {
  animation-duration: 0.45s;
  animation-timing-function: ease;
}

::view-transition-old(root) {
  animation: 0.4s ease both vtFadeOut;
}

::view-transition-new(root) {
  animation: 0.45s ease both vtFadeIn;
}

@keyframes vtFadeOut {
  to {
    opacity: 0;
  }
}

@keyframes vtFadeIn {
  from {
    opacity: 0;
  }
}

@keyframes pageEnter {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

html.page-enter body {
  animation: pageEnter 0.48s ease both;
}

html.is-leaving body {
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  @view-transition {
    navigation: none;
  }

  html.page-enter body,
  html.is-leaving body {
    animation: none;
    opacity: 1;
    transition: none;
  }
}