/* =====================================================================
   T. KOULIS ENGINEERS — θέμα 2026
   Λιτό, αρχιτεκτονικό ύφος: χαρτί, μελάνι, χαλκός, λεπτές γραμμές.
   Φορτώνεται τελευταίο (από το inc/side.php), οπότε υπερισχύει του template.
   ===================================================================== */

:root {
  --paper: #F5F3EF;
  --paper-2: #ECE8E1;
  --white: #FBFAF8;
  --ink: #1E2226;
  --ink-2: #3A3F44;
  --muted: #6A6E71;
  --line: #D8D3CA;
  --line-2: #C6C0B5;
  --cu: #9A5530;          /* χαλκός για κείμενο/κουμπιά (AA σε χαρτί) */
  --cu-line: #B87333;     /* χαλκός για γραμμές/λεπτομέρειες */
  --cu-dark: #D39B70;     /* χαλκός σε σκούρο φόντο */
  --font: "Fira Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Fira Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --wrap: 1240px;
  --gut: clamp(16px, 4vw, 48px);
  --s1: clamp(56px, 8vw, 120px);
  --s2: clamp(36px, 5vw, 72px);
  /* το πορτοκαλί του template γίνεται χαλκός */
  --color-orange1: #9A5530;
}

/* ---------- βάση ---------- */
html { -webkit-text-size-adjust: 100%; }
body,
body.home-style1,
body.inner-pages-style1 {
  background: var(--paper) !important;
  color: var(--ink);
  font-family: var(--font) !important;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}
body h1, body h2, body h3, body h4, body h5, body h6,
body .js-title, body p, body a, body li, body button, body input, body select, body textarea, body span {
  font-family: var(--font);
}
body h1, body h2, body h3 { letter-spacing: -0.015em; }
::selection { background: var(--cu); color: var(--white); }
a { color: inherit; }
a:hover { color: var(--cu); }
:focus-visible { outline: 2px solid var(--cu); outline-offset: 3px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
img { max-width: 100%; }

/* ---------- απλοποίηση template ---------- */
.loader-wrap, .side_menu_style4, .side_menu4_overlay, .side_menu4_overlay2,
.c-line, .side_shape, .side_shape2, .leafs, .contact_shap, .to_top { display: none !important; }
.wow { visibility: visible !important; animation: none !important; }
.rounded-pill, .butn { border-radius: 0 !important; }
.butn { letter-spacing: .02em; }
.bg-orange1 { background: var(--cu) !important; }
.color-orange1 { color: var(--cu) !important; }
.border-orange1 { border-color: var(--cu) !important; }
.hover-bg-orange1:hover, .hover-bg-black:hover { background: var(--ink) !important; color: var(--paper) !important; }
.tc-service-card, .project-card, .card { border-radius: 0 !important; }
.inner-pages-style1 .tc-inner-header-style1 { background: transparent !important; }
.inner-pages-style1 .tc-inner-header-style1 h1,
.inner-pages-style1 .tc-inner-header-style1 .js-title {
  font-size: clamp(2.1rem, 4.6vw, 3.6rem) !important;
  line-height: 1.12 !important;
  font-weight: 300 !important;
  max-width: 22ch;
}
.inner-pages-style1 [class*="style1"] h2 { font-weight: 400; }
#scrollsmoother-container, .smooth-scroll-content { background: var(--paper); }
.tk-cookie-button--accept { border-color: var(--cu) !important; background: var(--cu) !important; }
.tk-cookie-banner { border-radius: 0 !important; }
.tk-cookie-banner__content { border-radius: 0 !important; }
.tk-cookie-button { border-radius: 0 !important; }

/* ---------- κεφαλίδα ---------- */
.tk-header {
  position: sticky; top: 0; z-index: 1000;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
@supports not (background: color-mix(in srgb, red, blue)) { .tk-header { background: var(--paper); } }
.tk-header__in {
  max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gut);
  height: 72px; display: flex; align-items: center; gap: 32px;
}
.tk-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); flex: none; }
.tk-brand img { width: 34px; height: auto; display: block; }
.tk-brand__txt { display: flex; flex-direction: column; line-height: 1.05; }
.tk-brand__txt b { font-weight: 600; font-size: .95rem; letter-spacing: .14em; }
.tk-brand__txt span { font-size: .66rem; letter-spacing: .32em; color: var(--muted); margin-top: 3px; }
.tk-brand:hover { color: var(--ink); }

.tk-menu { flex: 1; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.tk-menu__list { display: flex; gap: 4px; margin: 0; padding: 0; list-style: none; }
.tk-menu__item { position: relative; }
.tk-menu__item > a {
  display: block; padding: 24px 14px; text-decoration: none; color: var(--ink-2);
  font-size: .94rem; letter-spacing: .01em; position: relative;
}
.tk-menu__item > a::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 18px; height: 1px;
  background: var(--cu-line); transform: scaleX(0); transform-origin: left; transition: transform .25s ease;
}
.tk-menu__item > a:hover, .tk-menu__item.is-active > a { color: var(--ink); }
.tk-menu__item > a:hover::after, .tk-menu__item.is-active > a::after { transform: scaleX(1); }

.tk-sub {
  position: absolute; left: 0; top: 100%; min-width: 330px;
  background: var(--white); border: 1px solid var(--line); border-top: 2px solid var(--cu-line);
  padding: 10px 0 14px; opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.tk-has-sub:hover .tk-sub, .tk-has-sub:focus-within .tk-sub { opacity: 1; visibility: visible; transform: none; }
.tk-sub ol { list-style: none; margin: 0; padding: 0; }
.tk-sub li a { display: flex; gap: 14px; padding: 9px 20px; text-decoration: none; color: var(--ink); font-size: .93rem; }
.tk-sub li a:hover { background: var(--paper); color: var(--ink); }
.tk-num { font-family: var(--mono); font-size: .78rem; color: var(--cu); padding-top: 2px; }
.tk-sub__all { display: block; margin: 8px 20px 0; padding-top: 10px; border-top: 1px solid var(--line); font-size: .86rem; color: var(--cu); text-decoration: none; }

.tk-langs { display: flex; gap: 2px; flex-wrap: wrap; justify-content: flex-end; }
.tk-langs a { font-size: .74rem; letter-spacing: .08em; padding: 4px 6px; color: var(--muted); text-decoration: none; }
.tk-langs a.is-on { color: var(--ink); border-bottom: 1px solid var(--cu-line); }

.tk-burger { display: none; margin-left: auto; width: 44px; height: 44px; border: 0; background: transparent; position: relative; cursor: pointer; }
.tk-burger span:not(.sr-only) { position: absolute; left: 10px; right: 10px; height: 1.5px; background: var(--ink); transition: transform .2s ease, top .2s ease; }
.tk-burger span:nth-child(1) { top: 17px; }
.tk-burger span:nth-child(2) { top: 26px; }
.tk-burger[aria-expanded="true"] span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.tk-burger[aria-expanded="true"] span:nth-child(2) { top: 21px; transform: rotate(-45deg); }

@media (max-width: 1060px) {
  .tk-header__in { height: 64px; }
  .tk-burger { display: block; }
  .tk-menu {
    position: fixed; inset: 64px 0 0 0; background: var(--paper);
    flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 0;
    padding: 12px var(--gut) 40px; overflow-y: auto;
    opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .2s, transform .2s, visibility .2s;
  }
  .tk-menu.is-open { opacity: 1; visibility: visible; transform: none; }
  .tk-menu__list { flex-direction: column; gap: 0; }
  .tk-menu__item > a { padding: 16px 0; font-size: 1.25rem; font-weight: 300; border-bottom: 1px solid var(--line); }
  .tk-menu__item > a::after { display: none; }
  .tk-sub { position: static; opacity: 1; visibility: visible; transform: none; border: 0; background: transparent; padding: 4px 0 10px; min-width: 0; }
  .tk-sub li a { padding: 9px 0 9px 4px; }
  .tk-sub__all { margin: 4px 0 0; }
  .tk-langs { justify-content: flex-start; margin-top: 24px; }
  .tk-langs a { font-size: .9rem; padding: 6px 10px 6px 0; }
  body.tk-menu-open { overflow: hidden; }
}

/* ---------- πλέγμα / τυπογραφία νέων σελίδων ---------- */
.tk-wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gut); }
.tk-sec { padding: var(--s1) 0; }
.tk-sec--tight { padding: var(--s2) 0; }
.tk-sec--line { border-top: 1px solid var(--line); }
.tk-sec--ink { background: var(--ink); color: var(--paper); }
.tk-sec--ink a { color: var(--paper); }
.tk-sec--ink .tk-kicker { color: var(--cu-dark); }
.tk-sec--ink .tk-kicker::before { background: var(--cu-dark); }
.tk-sec--paper2 { background: var(--paper-2); }

.tk-kicker {
  display: flex; align-items: center; gap: 12px;
  font-size: .76rem; letter-spacing: .2em; text-transform: uppercase; color: var(--cu); margin: 0 0 22px; font-weight: 500;
}
.tk-kicker::before { content: ""; width: 28px; height: 1px; background: var(--cu-line); flex: none; }
.tk-h1 { font-size: clamp(2.3rem, 5.4vw, 4.4rem); line-height: 1.06; font-weight: 300; letter-spacing: -.025em; margin: 0 0 28px; color: inherit; }
.tk-h2 { font-size: clamp(1.7rem, 3.2vw, 2.6rem); line-height: 1.15; font-weight: 300; letter-spacing: -.02em; margin: 0 0 22px; color: inherit; }
.tk-h3 { font-size: 1.2rem; line-height: 1.3; font-weight: 500; margin: 0 0 10px; color: inherit; }
.tk-lead { font-size: clamp(1.06rem, 1.5vw, 1.25rem); line-height: 1.6; color: var(--ink-2); max-width: 60ch; margin: 0 0 28px; font-weight: 300; }
.tk-sec--ink .tk-lead { color: #C9CCCE; }
.tk-text { color: var(--ink-2); line-height: 1.7; max-width: 68ch; }
.tk-text p { margin: 0 0 1em; }
.tk-muted { color: var(--muted); }
.tk-split { display: grid; grid-template-columns: 1fr; gap: 28px 64px; }
@media (min-width: 900px) { .tk-split { grid-template-columns: 5fr 7fr; } .tk-split--even { grid-template-columns: 1fr 1fr; } }

/* κουμπιά */
.tk-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.tk-btn {
  display: inline-flex; align-items: center; gap: 12px; min-height: 48px; padding: 12px 22px;
  border: 1px solid var(--ink); background: var(--ink); color: var(--paper) !important; text-decoration: none;
  font-size: .95rem; letter-spacing: .02em; transition: background .2s, border-color .2s, color .2s;
}
.tk-btn:hover { background: var(--cu); border-color: var(--cu); color: var(--white) !important; }
.tk-btn--ghost { background: transparent; color: var(--ink) !important; }
.tk-btn--ghost:hover { background: var(--ink); border-color: var(--ink); color: var(--paper) !important; }
.tk-btn--cu { background: var(--cu); border-color: var(--cu); }
.tk-btn--cu:hover { background: var(--ink); border-color: var(--ink); }
.tk-sec--ink .tk-btn { background: var(--paper); color: var(--ink) !important; border-color: var(--paper); }
.tk-sec--ink .tk-btn:hover { background: var(--cu-dark); border-color: var(--cu-dark); color: var(--ink) !important; }
.tk-sec--ink .tk-btn--ghost { background: transparent; color: var(--paper) !important; border-color: #5B6166; }
.tk-link { color: var(--cu); text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 1px; }
.tk-link:hover { color: var(--ink); }

/* ---------- hero ---------- */
.tk-hero { padding: clamp(40px, 7vw, 96px) 0 var(--s2); }
.tk-hero__grid { display: grid; gap: 40px; align-items: end; }
@media (min-width: 980px) { .tk-hero__grid { grid-template-columns: 7fr 5fr; gap: 64px; } }
.tk-hero__img { position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: var(--paper-2); }
.tk-hero__img img { width: 100%; height: 100%; object-fit: cover; display: block; filter: grayscale(.25) contrast(1.02); }
.tk-hero__img::after { content: ""; position: absolute; left: 0; bottom: 0; width: 38%; height: 3px; background: var(--cu-line); }
@media (max-width: 979px) { .tk-hero__img { aspect-ratio: 16 / 10; } }
.tk-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); margin-top: 48px; }
.tk-facts div { padding: 18px 16px 0 0; }
.tk-facts b { display: block; font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 300; letter-spacing: -.02em; }
.tk-facts span { display: block; font-size: .82rem; color: var(--muted); margin-top: 4px; line-height: 1.4; }

/* ---------- άξονες (αριθμημένες γραμμές) ---------- */
.tk-pillars { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.tk-pillar { border-bottom: 1px solid var(--line); }
.tk-pillar a {
  display: grid; grid-template-columns: 56px 1fr; gap: 6px 20px; padding: 30px 0; text-decoration: none; color: var(--ink);
  transition: padding .25s ease, background .25s ease;
}
@media (min-width: 900px) { .tk-pillar a { grid-template-columns: 90px minmax(0, 5fr) minmax(0, 6fr) 40px; align-items: baseline; gap: 32px; padding: 38px 0; } }
.tk-pillar__n { font-family: var(--mono); font-size: .9rem; color: var(--cu); }
.tk-pillar__t { font-size: clamp(1.25rem, 2.1vw, 1.7rem); font-weight: 300; line-height: 1.25; letter-spacing: -.01em; }
.tk-pillar__d { color: var(--muted); line-height: 1.6; font-size: .98rem; grid-column: 2; }
@media (min-width: 900px) { .tk-pillar__d { grid-column: auto; } }
.tk-pillar__a { display: none; font-size: 1.3rem; color: var(--cu); transition: transform .25s ease; }
@media (min-width: 900px) { .tk-pillar__a { display: block; } }
.tk-pillar a:hover { color: var(--ink); }
.tk-pillar a:hover .tk-pillar__a { transform: translateX(6px); }
.tk-pillar a:hover .tk-pillar__t { color: var(--cu); }

/* ---------- λίστες / κάρτες ---------- */
.tk-grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.tk-grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); }
.tk-grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.tk-grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.tk-cell { background: var(--paper); padding: 28px 26px 30px; }
.tk-sec--paper2 .tk-cell { background: var(--paper-2); }
.tk-cell p { margin: 0; color: var(--muted); line-height: 1.6; font-size: .96rem; }
.tk-cell .tk-num { display: block; margin-bottom: 18px; }

.tk-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.tk-list li { padding: 15px 0 15px 30px; border-bottom: 1px solid var(--line); position: relative; line-height: 1.55; color: var(--ink-2); }
.tk-list li::before { content: ""; position: absolute; left: 0; top: 26px; width: 14px; height: 1px; background: var(--cu-line); }
.tk-list a { text-decoration: none; }
.tk-list--cols { columns: 2 320px; column-gap: 48px; border-top: 0; }
.tk-list--cols li { break-inside: avoid; }
.tk-sec--ink .tk-list, .tk-sec--ink .tk-list li { border-color: #3A3F44; color: #D9DBDC; }

.tk-steps { counter-reset: s; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 0; border-top: 1px solid var(--ink); }
.tk-step { padding: 26px 24px 8px 0; counter-increment: s; }
.tk-step::before { content: counter(s, decimal-leading-zero); font-family: var(--mono); font-size: .85rem; color: var(--cu); display: block; margin-bottom: 14px; }
.tk-step p { color: var(--muted); line-height: 1.6; margin: 0; font-size: .96rem; }
.tk-sec--ink .tk-steps { border-color: #5B6166; }
.tk-sec--ink .tk-step p { color: #B9BDC0; }
.tk-sec--ink .tk-step::before { color: var(--cu-dark); }

/* τεχνολογίες / ετικέτες */
.tk-tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
.tk-tags li { border: 1px solid var(--line-2); padding: 6px 12px; font-size: .85rem; color: var(--ink-2); }
.tk-sec--ink .tk-tags li { border-color: #4A5056; color: #D9DBDC; }

/* έργα */
.tk-projects { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 40px 28px; }
.tk-proj { text-decoration: none; color: var(--ink); display: block; }
.tk-proj__img { aspect-ratio: 4 / 3; background: var(--paper-2); overflow: hidden; position: relative; }
.tk-proj__img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s ease; filter: grayscale(.2); }
.tk-proj:hover .tk-proj__img img { transform: scale(1.03); }
.tk-proj__ph { position: absolute; inset: 0; display: grid; place-items: center; }
.tk-proj__ph svg { width: 46%; height: auto; opacity: .55; }
.tk-proj__meta { display: flex; gap: 10px; font-size: .8rem; color: var(--muted); margin: 16px 0 6px; letter-spacing: .04em; }
.tk-proj__meta span + span::before { content: "·"; margin-right: 10px; }
.tk-proj__t { font-size: 1.12rem; font-weight: 400; line-height: 1.35; margin: 0; }
.tk-proj:hover .tk-proj__t { color: var(--cu); }

/* σελίδα υπηρεσίας */
.tk-crumb { font-size: .82rem; color: var(--muted); margin-bottom: 26px; }
.tk-crumb a { text-decoration: none; color: var(--muted); }
.tk-crumb a:hover { color: var(--cu); }
.tk-svc-hero { padding: clamp(36px, 6vw, 80px) 0 var(--s2); border-bottom: 1px solid var(--line); }
.tk-svc-hero .tk-num { font-size: 1rem; display: block; margin-bottom: 18px; }
.tk-aside { border-left: 1px solid var(--cu-line); padding-left: 22px; color: var(--ink-2); line-height: 1.65; }
.tk-aside b { font-weight: 500; color: var(--ink); }
.tk-faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.tk-faq summary { cursor: pointer; font-size: 1.06rem; list-style: none; display: flex; justify-content: space-between; gap: 18px; }
.tk-faq summary::-webkit-details-marker { display: none; }
.tk-faq summary::after { content: "+"; color: var(--cu); font-size: 1.3rem; line-height: 1; }
.tk-faq details[open] summary::after { content: "−"; }
.tk-faq details p { margin: 12px 0 0; color: var(--muted); line-height: 1.65; max-width: 70ch; }

/* CTA */
.tk-cta { display: grid; gap: 28px; align-items: end; }
@media (min-width: 900px) { .tk-cta { grid-template-columns: 1fr auto; } }
.tk-cta .tk-h2 { margin: 0; max-width: 20ch; }

/* ---------- footer ---------- */
.tk-footer { background: var(--ink); color: #C9CCCE; padding: var(--s2) 0 28px; font-size: .92rem; }
.tk-footer a { color: #E8E6E1; text-decoration: none; }
.tk-footer a:hover { color: var(--cu-dark); }
.tk-footer__grid { display: grid; gap: 36px; grid-template-columns: 1fr; padding-bottom: 40px; border-bottom: 1px solid #3A3F44; }
@media (min-width: 760px) { .tk-footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.tk-footer__brand img { width: 52px; height: auto; margin-bottom: 18px; }
.tk-footer__brand p { max-width: 34ch; line-height: 1.6; margin: 0; }
.tk-footer__h { font-size: .74rem !important; letter-spacing: .2em; text-transform: uppercase; color: var(--cu-dark) !important; font-weight: 500; margin: 6px 0 16px; }
.tk-footer__links { list-style: none; margin: 0; padding: 0; }
.tk-footer__links li { margin: 0 0 9px; line-height: 1.45; }
.tk-footer__foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-top: 22px; font-size: .8rem; color: #9DA2A6; }
.tk-footer__foot p { margin: 0; display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.tk-footer .tk-cookie-settings-link { color: #E8E6E1; font-size: .8rem; background: none; border: 0; padding: 0; cursor: pointer; }

/* ---------- κινούμενα: μόνο ήπια ---------- */
@media (prefers-reduced-motion: no-preference) {
  .tk-reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
  .tk-reveal.is-in { opacity: 1; transform: none; }
}

@media print {
  .tk-header, .tk-footer, .tk-cookie-banner { display: none !important; }
  body { background: #fff !important; }
}

.tk-steps--2 { grid-template-columns: 1fr; }
@media (min-width: 600px) { .tk-steps--2 { grid-template-columns: 1fr 1fr; } }
.tk-steps, .tk-pillars { list-style: none; padding-left: 0; margin-left: 0; }
.tk-step { list-style: none; }

/* ---------- διορθώσεις παλιών σελίδων ---------- */
.inner-pages-style1 .tc-inner-header-style1.tc-invest-hero {
  background: linear-gradient(90deg, rgba(30,34,38,.82) 0%, rgba(30,34,38,.55) 55%, rgba(30,34,38,.15) 100%),
              url('/assets/img/invest/invest_greece.webp') center / cover no-repeat !important;
  min-height: 560px;
}
.tc-inner-header-style1.tc-invest-hero .invest-title { color: var(--paper) !important; max-width: 18ch; }
.tc-inner-header-style1.tc-invest-hero .invest-desc { color: #E9D7C8 !important; max-width: 60ch; }
.tc-inner-header-style1.tc-invest-hero .butn, .tc-invest-hero a.butn { background: var(--paper) !important; color: var(--ink) !important; }
/* κάρτες template: επίπεδες, λεπτές γραμμές */
.inner-pages-style1 .card, .inner-pages-style1 [class*="-card"] { box-shadow: none !important; border-radius: 0 !important; }
.inner-pages-style1 [class*="-card"]:not(.tk-proj) { border: 1px solid var(--line); background: var(--white); }
.inner-pages-style1 .sub-head, .inner-pages-style1 .color-999 { color: var(--muted) !important; }
.inner-pages-style1 .color-666 { color: var(--ink-2) !important; }
.inner-pages-style1 h2.color-orange1, .inner-pages-style1 .color-orange1 { color: var(--cu) !important; }
body { overflow-x: hidden; }
.tk-filter { display: flex; flex-wrap: wrap; gap: 6px 22px; margin: 0 0 40px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.tk-filter a { text-decoration: none; color: var(--muted); font-size: .92rem; padding: 4px 0; }
.tk-filter a.is-on { color: var(--ink); border-bottom: 1px solid var(--cu-line); }
.tk-grid--2 { grid-template-columns: 1fr; }
@media (min-width: 760px) { .tk-grid--2 { grid-template-columns: 1fr 1fr; } }
.tk-text { font-size: 1.06rem; }
.tk-aside { font-size: 1rem; }
.tk-list li { font-size: 1rem; }
.tk-proj__meta { flex-wrap: wrap; row-gap: 2px; }
@media (max-width: 1060px) {
  .tk-header__in { justify-content: space-between; }
  .tk-burger, .tk-burger:hover, .tk-burger:focus, .tk-burger:active { margin: 0 0 0 auto !important; transform: none !important; padding: 0 !important; }
}
@media (max-width: 1060px) {
  .tk-header { -webkit-backdrop-filter: none; backdrop-filter: none; background: var(--paper); }
  .tk-menu { height: calc(100dvh - 64px); }
}

/* 2026-10: μότο, διαδρομές πελατών */
.tk-h1--motto { max-width: 16ch; }
.tk-paths { margin-top: 32px; }
.tk-path { display: flex; flex-direction: column; }
.tk-path p { flex: 1 0 auto; }
.tk-path__links { list-style: none; margin: 22px 0 0; padding: 16px 0 0; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 6px 18px; }
.tk-path__links a { color: var(--cu); text-decoration: none; font-size: .92rem; }
.tk-path__links a:hover { color: var(--ink); }
.tk-path__links a span { display: inline-block; transition: transform .2s; }
.tk-path__links a:hover span { transform: translateX(3px); }

/* Case study */
.tk-case { margin: 24px 0 0; border-top: 1px solid var(--line); }
.tk-case__row { display: grid; grid-template-columns: 1fr; gap: 6px; padding: 22px 0; border-bottom: 1px solid var(--line); }
@media (min-width: 900px) { .tk-case__row { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 32px; } }
.tk-case dt { font-family: var(--mono, 'Fira Mono', monospace); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--cu); font-weight: 400; padding-top: 4px; }
.tk-case dd { margin: 0; font-size: 1.08rem; line-height: 1.6; max-width: 62ch; }
.tk-case__row:last-child dd { color: var(--ink); font-weight: 500; }

/* Επικοινωνία (2026-10) */
@media (min-width: 900px) { .tk-split--form { grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); } }
.tk-contact { margin: 0; border-top: 1px solid var(--line); }
.tk-contact > div { padding: 18px 0; border-bottom: 1px solid var(--line); }
.tk-contact dt { font-family: var(--mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--cu); font-weight: 400; margin-bottom: 6px; }
.tk-contact dd { margin: 0; line-height: 1.6; }
.tk-contact a { color: inherit; text-decoration: none; border-bottom: 1px solid var(--line); }
.tk-contact a:hover { color: var(--cu); border-color: var(--cu-line); }
.tk-form { display: grid; grid-template-columns: 1fr; gap: 22px 28px; }
@media (min-width: 700px) { .tk-form { grid-template-columns: 1fr 1fr; } }
.tk-form__field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.tk-form__field--full { grid-column: 1 / -1; }
.tk-form label { font-size: .9rem; color: var(--ink); }
.tk-form input[type=text], .tk-form input[type=email], .tk-form input[type=tel], .tk-form select, .tk-form textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink); background: transparent;
  border: 0; border-bottom: 1px solid #B9B2A6; border-radius: 0; padding: 10px 0; min-height: 46px; -webkit-appearance: none; appearance: none;
}
.tk-form select { background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%239A5530' stroke-width='1.4'/%3E%3C/svg%3E") no-repeat right 4px center; padding-right: 24px; cursor: pointer; }
.tk-form textarea { min-height: 150px; resize: vertical; }
.tk-form input:focus, .tk-form select:focus, .tk-form textarea:focus { outline: none; border-bottom-color: var(--cu); box-shadow: 0 1px 0 var(--cu); }
.tk-form ::placeholder { color: #9A958C; }
.tk-form__check { flex-direction: row; align-items: flex-start; gap: 12px; }
.tk-form__check input { margin-top: 4px; accent-color: var(--cu); width: 18px; height: 18px; flex: 0 0 auto; }
.tk-form__check label { font-size: .85rem; color: var(--muted); line-height: 1.55; }
.tk-form__check a { color: var(--ink); }
.tk-req { color: var(--cu); }
.tk-form button.tk-btn { border: 0; cursor: pointer; font: inherit; }
.tk-honeypot { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; }
.tk-alert { padding: 14px 18px; margin: 0 0 24px; border-left: 2px solid; font-size: .95rem; }
.tk-alert ul { margin: 0; padding-left: 18px; }
.tk-alert--ok { border-color: #4E7A5A; background: #EEF2EC; color: #2F4F37; }
.tk-alert--err { border-color: #9A3B30; background: #F6ECE9; color: #7A2B22; }
.tk-map { border: 1px solid var(--line); background: var(--paper); min-height: 260px; display: flex; align-items: center; }
.tk-map iframe { width: 100%; height: 440px; border: 0; display: block; filter: grayscale(.6); }
.tk-map__ph { padding: 32px; max-width: 760px; }
.tk-map__ph p { margin: 0 0 20px; color: var(--muted); line-height: 1.6; }
.tk-map__ph button { cursor: pointer; font: inherit; }
.tk-cv { margin-top: 28px; border-top: 1px solid var(--line); padding-top: 18px; }
.tk-cv summary { cursor: pointer; color: var(--cu); font-weight: 500; list-style: none; }
.tk-cv summary::-webkit-details-marker { display: none; }
.tk-cv summary::after { content: " +"; }
.tk-cv[open] summary::after { content: " −"; }
.tk-cv .tk-h3 { margin-top: 28px; }

/* Κουμπί συνομιλίας: το chat φορτώνει μόνο με επιλογή του επισκέπτη */
.tk-chat-launch {
  position: fixed; right: 18px; bottom: 18px; z-index: 900;
  padding: .7rem 1.1rem; border: 1px solid var(--cu-line);
  background: var(--paper); color: var(--ink);
  font: 500 .9rem/1 var(--font); letter-spacing: .02em;
  border-radius: 999px; cursor: pointer; box-shadow: 0 4px 16px rgba(30,34,38,.12);
}
.tk-chat-launch:hover, .tk-chat-launch:focus-visible { background: var(--cu); border-color: var(--cu); color: var(--white); }
.tk-chat-launch[disabled] { opacity: .7; cursor: progress; }
.tk-chat-launch[hidden] { display: none; }
body.tk-menu-open .tk-chat-launch { display: none; }
@media print { .tk-chat-launch { display: none; } }

/* Δείγμα παραδοτέου (PDF) στις ενότητες «Παραδοτέα» */
.tk-sample { margin: 1.6rem 0 0; display: flex; flex-direction: column; align-items: flex-start; gap: .6rem; }
.tk-sample__n { font-size: .85rem; color: var(--muted); }
.tk-sec--ink .tk-sample__n { color: #A9AEB1; }

/* Πρόσθετα πεδία ανά εμπορική διαδρομή στη φόρμα */
.tk-form__group { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr; gap: 22px 28px; padding: 18px 0 4px; border-top: 1px solid var(--line); }
@media (min-width: 700px) { .tk-form__group { grid-template-columns: 1fr 1fr; } }
.tk-form__group[hidden], .tk-form__field[hidden] { display: none; }
.tk-form__group-h { grid-column: 1 / -1; margin: 0; font-family: var(--mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--cu); }

/* Τελικό CTA αρχικής με τρία κουμπιά: τίτλος πάνω, κουμπιά από κάτω */
.tk-cta--stack { grid-template-columns: 1fr !important; align-items: start; }
.tk-cta--stack .tk-h2 { max-width: 28ch; }

/* Ενδεικτικές εικόνες τελικού έργου (αρχιτεκτονική τρίτων): μικρές, με σαφή σημείωση */
.tk-indicative { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 16px 24px; padding-top: 8px; border-top: 1px solid var(--line); }
.tk-indicative figure { margin: 0; max-width: 320px; }
.tk-indicative img { display: block; width: 100%; height: auto; max-height: 220px; object-fit: cover; filter: saturate(.85); }
.tk-indicative__n { flex: 1 1 260px; margin: 0; font-size: .85rem; color: var(--muted); max-width: 52ch; }