/* =========================================================
   ΑΧΑΡΝΑΪΚΗ ΑΝΑΚΥΚΛΩΣΗ — Design System
   Bootstrap 5 override layer. Βιομηχανική / πράσινη ταυτότητα.
   ========================================================= */

:root {
  --green-900: #0f4d2a;
  --green-700: #16713d;
  --green-600: #1c8347;
  --green-500: #2e9e54;
  --green-100: #e8f3ec;
  --ink-900:   #14181c;   /* dark industrial sections / footer */
  --ink-800:   #1c2229;
  --ink-700:   #2a3138;
  --steel-600: #5a6470;
  --steel-400: #8a949e;
  --paper:     #f6f7f4;
  --line:      #e4e7e2;
  --white:     #ffffff;

  --ff-display: "Barlow Semi Condensed", "Inter", system-ui, sans-serif;
  --ff-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --shadow-sm: 0 2px 8px rgba(20,24,28,.06);
  --shadow-md: 0 10px 30px rgba(20,24,28,.10);
  --radius: 10px;
}

* { scroll-behavior: smooth; }

body {
  font-family: var(--ff-body);
  color: var(--ink-800);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .display-font {
  font-family: var(--ff-display);
  font-weight: 700;
  letter-spacing: .01em;
  line-height: 1.1;
  color: var(--ink-900);
}

a { color: var(--green-700); text-decoration: none; }
a:hover { color: var(--green-900); }

.text-green { color: var(--green-700) !important; }
.bg-paper { background: var(--paper) !important; }
.bg-ink { background: var(--ink-900) !important; }

/* ---------- Eyebrow / section heading ---------- */
.eyebrow {
  font-family: var(--ff-body);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--green-600);
  margin-bottom: .5rem;
}
.section-title {
  font-size: clamp(1.7rem, 1.2rem + 2vw, 2.6rem);
  text-transform: uppercase;
  margin-bottom: .35rem;
}
.section-rule {
  width: 64px; height: 4px; border: 0;
  background: var(--green-500); opacity: 1;
  margin: 1rem auto 0;
}
.section-rule.start { margin-left: 0; }

section { padding-block: clamp(3.5rem, 2rem + 5vw, 6rem); }

/* ---------- Buttons ---------- */
.btn { font-weight: 600; border-radius: 8px; padding: .7rem 1.5rem; letter-spacing: .01em; }
.btn-green { background: var(--green-600); border-color: var(--green-600); color: #fff; }
.btn-green:hover { background: var(--green-900); border-color: var(--green-900); color: #fff; }
.btn-outline-light-green { border: 2px solid #fff; color: #fff; background: transparent; }
.btn-outline-light-green:hover { background: #fff; color: var(--green-900); }
.btn-call { background: #fff; color: var(--green-900); }
.btn-call:hover { background: var(--green-100); color: var(--green-900); }
.btn-lg { padding: .85rem 2rem; font-size: 1.05rem; }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--green-900);
  color: #dff0e6;
  font-size: .9rem;
}
.topbar a { color: #fff; }
.topbar a:hover { color: var(--green-100); text-decoration: underline; }
.topbar .sep { color: rgba(255,255,255,.35); }

/* ---------- Navbar ---------- */
.site-nav {
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.site-nav .navbar-brand { display: flex; align-items: center; }
.brand-logo { height: 52px; width: auto; display: block; }
.footer-logo { height: 56px; width: auto; display: block; }
@media (max-width: 575.98px) { .brand-logo { height: 44px; } }
.navbar .nav-link {
  font-weight: 600; color: var(--ink-800);
  padding: .5rem 1rem !important; position: relative;
}
.navbar .nav-link:hover,
.navbar .nav-link.active { color: var(--green-700); }
.navbar .nav-link.active::after {
  content: ""; position: absolute; left: 1rem; right: 1rem; bottom: 2px;
  height: 2px; background: var(--green-600);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    linear-gradient(rgba(15,20,24,.72), rgba(15,20,24,.78)),
    radial-gradient(circle at 30% 30%, #3a4149, #14181c 70%);
  color: #fff;
  padding-block: clamp(4rem, 3rem + 7vw, 8rem);
  overflow: hidden;
}
.hero::after { /* subtle industrial texture */
  content: ""; position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(45deg, rgba(255,255,255,.025) 0 2px, transparent 2px 24px);
  pointer-events: none;
}
.hero h1 {
  color: #fff; text-transform: uppercase;
  font-size: clamp(2.2rem, 1.3rem + 4vw, 4rem);
}
.hero .hero-sub {
  font-family: var(--ff-display); font-weight: 500;
  font-size: clamp(1.05rem, .9rem + 1vw, 1.5rem);
  letter-spacing: .04em; color: var(--green-500);
}
.hero p.lead { color: rgba(255,255,255,.85); }

/* compact page hero (inner pages) */
.page-hero {
  position: relative;
  background:
    linear-gradient(rgba(15,20,24,.7), rgba(15,20,24,.8)),
    radial-gradient(circle at 70% 20%, #3a4149, #14181c 70%);
  color: #fff; padding-block: clamp(3rem, 2rem + 4vw, 5rem);
}
.page-hero h1 { color: #fff; text-transform: uppercase; font-size: clamp(2rem, 1.4rem + 3vw, 3.2rem); }
.page-hero .crumb { color: rgba(255,255,255,.7); font-size: .9rem; }
.page-hero .crumb a { color: var(--green-500); }

/* ---------- Trust strip ---------- */
.trust-strip { background: var(--green-100); border-block: 1px solid var(--line); }
.trust-item { display: flex; align-items: center; gap: .8rem; padding: 1.1rem 0; }
.trust-item i { color: var(--green-600); font-size: 1.7rem; flex: 0 0 auto; }
.trust-item span { font-weight: 600; color: var(--ink-800); line-height: 1.25; }

/* ---------- Process steps ---------- */
.step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem 1.2rem; height: 100%; text-align: center;
  transition: transform .2s ease, box-shadow .2s ease;
}
.step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.step .step-num {
  font-family: var(--ff-display); font-weight: 700; font-size: .9rem;
  color: var(--green-600); letter-spacing: .1em;
}
.step .step-ic {
  width: 64px; height: 64px; margin: .6rem auto .9rem;
  border-radius: 50%; background: var(--green-100); color: var(--green-700);
  display: grid; place-items: center; font-size: 1.7rem;
}
.step h3 { font-size: 1.15rem; text-transform: uppercase; margin-bottom: .35rem; }
.step p { font-size: .92rem; color: var(--steel-600); margin: 0; }

/* ---------- Material category cards ---------- */
.mat-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem 1.5rem; height: 100%;
  border-top: 4px solid var(--green-600);
  transition: transform .2s ease, box-shadow .2s ease;
}
.mat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.mat-card .mat-ic {
  width: 56px; height: 56px; border-radius: 12px;
  background: var(--green-100); color: var(--green-700);
  display: grid; place-items: center; font-size: 1.6rem; margin-bottom: 1rem;
}
.mat-card h3 { font-size: 1.2rem; text-transform: uppercase; margin-bottom: .9rem; }
.mat-list { list-style: none; padding: 0; margin: 0; }
.mat-list li {
  display: flex; gap: .5rem; align-items: flex-start;
  font-size: .95rem; padding: .28rem 0; color: var(--ink-800);
}
.mat-list li i { color: var(--green-600); margin-top: .25rem; flex: 0 0 auto; }

/* ---------- Green CTA banner ---------- */
.cta-banner {
  background: linear-gradient(100deg, var(--green-700), var(--green-600));
  color: #fff;
}
.cta-banner .cta-text { font-family: var(--ff-display); font-size: clamp(1.2rem,1rem+1vw,1.6rem); font-weight: 500; }
.cta-banner .cta-phone {
  font-family: var(--ff-display); font-weight: 700;
  font-size: clamp(1.8rem, 1.2rem + 2.5vw, 2.8rem);
  color: #fff; letter-spacing: .02em; white-space: nowrap;
}
.cta-banner .cta-phone:hover { color: var(--green-100); }

/* ---------- Split feature ---------- */
.feature-img {
  border-radius: var(--radius); box-shadow: var(--shadow-md);
  width: 100%; height: 100%; object-fit: cover; min-height: 280px;
  background: linear-gradient(135deg, var(--ink-700), var(--ink-900));
}
.placeholder-img {
  border-radius: var(--radius); min-height: 300px;
  background:
    linear-gradient(135deg, rgba(46,158,84,.12), rgba(20,24,28,.04)),
    repeating-linear-gradient(45deg, #e9ece8 0 12px, #f3f5f1 12px 24px);
  display: grid; place-items: center; color: var(--steel-400);
  border: 1px solid var(--line);
}
.placeholder-img i { font-size: 3rem; }

/* ---------- Forms ---------- */
.form-card {
  background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow-md); overflow: hidden;
}
.form-card .form-head { background: var(--green-600); color: #fff; padding: 1.6rem; }
.form-card .form-head h3 { color: #fff; text-transform: uppercase; margin: 0; }
.form-card .form-body { padding: 1.6rem; }
.form-label { font-weight: 600; font-size: .85rem; text-transform: uppercase; letter-spacing: .03em; color: var(--steel-600); }
.form-control {
  border: 1px solid var(--line); border-radius: 8px; padding: .65rem .8rem;
}
.form-control:focus { border-color: var(--green-500); box-shadow: 0 0 0 .2rem rgba(46,158,84,.15); }
.req { color: #c0392b; }

/* ---------- Info list (contact) ---------- */
.info-row { display: flex; gap: 1rem; align-items: flex-start; padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.info-row:last-child { border-bottom: 0; }
.info-row .info-ic {
  width: 46px; height: 46px; flex: 0 0 46px; border-radius: 10px;
  background: var(--green-600); color: #fff; display: grid; place-items: center; font-size: 1.2rem;
}
.info-row .lbl { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--steel-400); }
.info-row .val { color: #fff; font-weight: 600; }
.info-row .val a { color: #fff; }
.info-row .val a:hover { color: var(--green-500); }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink-900); color: #aeb6bd; padding-top: 3.5rem; }
.site-footer h5 { color: #fff; text-transform: uppercase; font-size: 1.05rem; margin-bottom: 1.1rem; }
.site-footer a { color: #aeb6bd; }
.site-footer a:hover { color: var(--green-500); }
.site-footer .footer-list { list-style: none; padding: 0; margin: 0; }
.site-footer .footer-list li { padding: .25rem 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); margin-top: 2.5rem; padding-block: 1.2rem; font-size: .85rem; }

/* ---------- Floating contact buttons ---------- */
.float-stack { position: fixed; right: 18px; bottom: 18px; z-index: 1040; display: flex; flex-direction: column; gap: 12px; }
.float-btn {
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
  color: #fff; font-size: 1.5rem; box-shadow: var(--shadow-md);
  transition: transform .15s ease;
}
.float-btn:hover { transform: scale(1.08); color: #fff; }
.float-wa { background: #25D366; }
.float-viber { background: #7360f2; }
.float-call { background: var(--green-600); }
@media (min-width: 992px) { .float-call { display: none; } } /* call button mainly for mobile */

/* ---------- Awards ---------- */
.award-card { text-align: center; }
.award-badge {
  width: 110px; height: 110px; margin: 0 auto 1rem; border-radius: 14px;
  background: linear-gradient(135deg, #d4a72c, #b8860b); color: #fff;
  display: grid; place-items: center; font-size: 2.4rem; box-shadow: var(--shadow-md);
}

/* ---------- Utilities ---------- */
.lh-lg { line-height: 1.8; }
.maxw-720 { max-width: 720px; }

/* ---------- Cookie consent bar ---------- */
.cookie-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 1060;
  background: var(--ink-900); color: #d7dde2;
  padding: .9rem 0; box-shadow: 0 -4px 20px rgba(0,0,0,.25);
}
.cookie-bar .cookie-text { font-size: .9rem; }
.cookie-bar a { color: var(--green-500); text-decoration: underline; }
.cookie-bar .btn-outline-light { border-color: rgba(255,255,255,.4); }

/* ---------- Navbar dropdown ---------- */
.navbar .dropdown-menu {
  border: 1px solid var(--line); border-radius: 10px;
  box-shadow: var(--shadow-md); padding: .4rem; margin-top: .5rem; min-width: 240px;
}
.navbar .dropdown-item {
  font-weight: 600; color: var(--ink-800); border-radius: 6px; padding: .55rem .8rem;
}
.navbar .dropdown-item:hover, .navbar .dropdown-item:focus { background: var(--green-100); color: var(--green-900); }
.navbar .dropdown-item.active { background: var(--green-600); color: #fff; }
.navbar .dropdown-toggle.active::after { content: none; } /* μη διπλό underline με το caret */

/* ---------- Footer credit (KS Digital) ---------- */
.footer-credit {
  background: #0f1316; color: #7e878f; padding: .85rem 0;
  font-size: .82rem; border-top: 1px solid rgba(255,255,255,.06);
}
.footer-credit a { color: var(--green-500); font-weight: 600; }
.footer-credit a:hover { color: #fff; text-decoration: underline; }