:root {
  --ink: #111318;
  --paper: #F2F5F8;
  --soft: #DDE5EE;
  --line: rgba(255,255,255,.16);
  --accent: #4D8DFF;
  --accent-2: #72C7FF;
  --muted: #888C96;
  --deep: #111318;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--paper);
  background: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
::selection { background: var(--accent); color: #fff; }

.site-header {
  position: sticky; top: 0; z-index: 20;
  width: 100%;
  padding: 20px 5vw;
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(247,248,250,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand { font-size: 1.2rem; font-weight: 950; letter-spacing: -.05em; }
.brand span { color: var(--accent); }
nav { display: flex; align-items: center; gap: 28px; font-size: .76rem; font-weight: 850; text-transform: uppercase; letter-spacing: .08em; }
nav a { opacity: .7; transition: opacity .2s, color .2s; }
nav a:hover { opacity: 1; color: var(--accent); }
nav .nav-cta { padding: 10px 14px; background: var(--ink); color: #fff; opacity: 1; }

.section { padding: 110px 5vw; max-width: 1440px; margin: auto; }
.section-light { background: var(--ink); color: var(--paper); max-width: none; padding-left: max(5vw, calc((100vw - var(--max))/2)); padding-right: max(5vw, calc((100vw - var(--max))/2)); }
.section-label { font-size: .72rem; letter-spacing: .15em; font-weight: 900; color: var(--muted); margin-bottom: 46px; }
.section-heading { display: grid; grid-template-columns: 1fr .7fr; gap: 60px; align-items: end; margin-bottom: 70px; }
.section-heading h2, .about h2, .contact h2 {
  font-size: clamp(3rem, 6vw, 6.4rem);
  line-height: .92; letter-spacing: -.065em; margin: 0; font-weight: 950;
}
h2 em { font-style: normal; color: var(--accent); }
.section-heading p { color: var(--muted); max-width: 430px; margin: 0 0 5px; }

.hero {
  min-height: calc(100vh - 70px);
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 7vw;
  align-items: center;
  padding-top: 70px; padding-bottom: 80px;
  background: #111318;
}
.eyebrow { font-size: .7rem; letter-spacing: .18em; font-weight: 900; margin: 0 0 24px; color: var(--accent); }
.hero h1 { font-size: clamp(4.4rem, 9vw, 9.2rem); line-height: .82; letter-spacing: -.08em; margin: 0 0 30px; font-weight: 950; color: var(--paper); }
.hero h1 span { color: var(--accent); }
.type-line { min-height: 34px; font-size: clamp(1rem, 2vw, 1.35rem); font-weight: 800; margin: 0 0 25px; color: var(--paper); }
.cursor { color: var(--accent-2); animation: blink .75s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero-intro { max-width: 570px; color: var(--muted); font-size: 1.05rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 35px; }
.button {
  display: inline-flex; align-items: center; justify-content: space-between; gap: 30px;
  padding: 14px 18px; border: 1px solid currentColor;
  font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 850;
  transition: transform .2s, background .2s, color .2s;
}
.button:hover { transform: translateY(-3px); }
.button-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.button-secondary { color: var(--paper); }
.button-secondary:hover { background: #0B0D12; color: #fff; }
.hero-image-wrap { display: flex; justify-content: center; }
.image-frame { position: relative; width: min(100%, 500px); }
.image-frame::before {
  content: ""; position: absolute; inset: 18px -18px -18px 18px;
  border: 2px solid var(--accent); z-index: 0;
}
.image-frame img {
  position: relative; z-index: 1; width: 100%; aspect-ratio: 4/5;
  object-fit: cover; object-position: center top;
  filter: grayscale(.1) contrast(1.04);
}
.image-tag {
  position: absolute; z-index: 2; right: -16px; bottom: 20px;
  padding: 10px 14px; background: #0B0D12; color: #fff;
  font-size: .66rem; font-weight: 900; letter-spacing: .12em;
}

.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 9vw; max-width: var(--max); margin: auto; }
.about-text { font-size: 1.06rem; max-width: 590px; }
.about-text p { margin: 0 0 24px; }
.about-text strong { font-weight: 900; color: var(--accent); }
.about-text p:first-child::before { content: "> "; font-weight: 900; color: var(--accent-2); }

.services { background: var(--deep); color: #F7F8FA; }
.services .section-label { color: #91A4B7; }
.services .section-heading p { color: #AAB8C5; }
.services h2 em { color: #72C7FF; }
.service-grid { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid rgba(255,255,255,.18); }
.service-card { min-height: 360px; padding: 28px; border-right: 1px solid rgba(255,255,255,.18); position: relative; transition: background .25s; }
.service-card:first-child { border-left: 1px solid rgba(255,255,255,.18); }
.service-card:hover { background: #122E4A; }
.card-number, .product-index { font-size: .68rem; letter-spacing: .12em; font-weight: 900; color: #91A4B7; }
.service-card h3 { font-size: 2rem; letter-spacing: -.04em; margin: 105px 0 14px; }
.service-card p { color: #B7C2CC; max-width: 280px; font-size: .9rem; }
.card-arrow { position: absolute; right: 28px; bottom: 28px; color: var(--accent-2); font-size: 1.4rem; }

.products { background: #171C25; }
.products .section-label { color: var(--accent); }
.products h2 em { color: var(--accent-2); }
.product-list { border-top: 1px solid var(--line); }
.product-row {
  display: grid; grid-template-columns: 70px 1fr auto; gap: 30px; align-items: center;
  padding: 28px 0; border-bottom: 1px solid var(--line);
}
.product-info h3 { margin: 0 0 7px; font-size: 1.35rem; letter-spacing: -.03em; }
.product-info p { margin: 0; color: var(--muted); font-size: .88rem; max-width: 650px; }
.product-actions { display: flex; gap: 8px; }
.small-button {
  padding: 10px 12px; border: 1px solid var(--deep); font-size: .66rem; font-weight: 850;
  text-transform: uppercase; letter-spacing: .06em; white-space: nowrap;
}
.small-button.filled { background: #0B0D12; color: #fff; }
.small-button:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

.pricing { background: #0D1118; color: var(--paper); }
.pricing .section-label { color: var(--accent); }
.pricing h2 em { color: var(--accent-2); }
.pricing-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; background: transparent; }
.price-card { background: #111318; padding: 30px; min-height: 390px; display: flex; flex-direction: column; border: 1px solid rgba(11,31,51,.12); }
.price-card.featured { background: var(--accent); color: #fff; }
.price-card h3 { font-size: 2rem; line-height: 1; letter-spacing: -.045em; margin: 95px 0 15px; }
.price-card p { color: var(--muted); max-width: 360px; }
.price-card.featured p { color: #DCE7FF; }
.price { margin-top: auto; padding-top: 25px; border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
.featured .price { border-color: rgba(255,255,255,.28); color: #DCE7FF; }
.price strong { display: block; color: var(--paper); font-size: 1.25rem; margin-top: 5px; letter-spacing: 0; }
.featured .price strong { color: #fff; }
.extras { margin-top: 15px; background: #0B0D12; color: #fff; padding: 45px; display: grid; grid-template-columns: 1fr 1.5fr; gap: 80px; }
.extras .eyebrow { color: #9FCBFF; }
.extras h3 { font-size: 2rem; line-height: 1; letter-spacing: -.04em; margin: 12px 0 0; }
.extras ul { list-style: none; margin: 0; padding: 0; }
.extras li { display: flex; gap: 20px; align-items: center; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.18); font-weight: 700; }
.extras li span { color: #91A4B7; font-size: .68rem; }
.extras li b { margin-left: auto; font-size: .8rem; color: #91A4B7; }

.contact { background: #111318; }
.contact-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 9vw; align-items: start; max-width: var(--max); margin: auto; }
.contact h2 { margin-bottom: 35px; }
.contact-grid > div > p { color: var(--muted); max-width: 520px; }
.socials { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 40px; font-size: .75rem; font-weight: 850; text-transform: uppercase; letter-spacing: .08em; }
.socials a { border-bottom: 2px solid var(--accent); padding-bottom: 4px; }
.socials a:hover { color: var(--accent-2); border-color: var(--accent-2); }
.contact-form { display: grid; gap: 22px; }
.contact-form label { display: grid; gap: 8px; font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 850; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; border: 0; border-bottom: 1px solid var(--line); background: transparent;
  padding: 12px 0; color: var(--paper); font: inherit; outline: none; border-radius: 0;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--accent); }
.contact-form textarea { resize: vertical; }
.contact-form .button { border: 0; width: max-content; margin-top: 8px; cursor: pointer; }

.footer {
  max-width: 1440px; margin: auto; padding: 24px 5vw;
  display: flex; justify-content: space-between; color: var(--muted);
  background: var(--ink);
  font-size: .7rem; text-transform: uppercase; letter-spacing: .08em;
}
.footer a:hover { color: var(--accent); }

@media (max-width: 900px) {
  nav a:not(.nav-cta) { display: none; }
  .hero, .about-content, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 55px; }
  .hero-image-wrap { order: -1; justify-content: flex-start; }
  .image-frame { width: min(78vw, 460px); }
  .section-heading { grid-template-columns: 1fr; gap: 25px; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .service-card { border-bottom: 1px solid rgba(255,255,255,.18); }
  .product-row { grid-template-columns: 45px 1fr; }
  .product-actions { grid-column: 2; }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card { min-height: 330px; }
  .extras { grid-template-columns: 1fr; gap: 35px; }
}
@media (max-width: 560px) {
  .section { padding-top: 75px; padding-bottom: 75px; }
  .site-header { padding: 16px 5vw; }
  .nav-cta { font-size: .62rem; }
  .hero h1 { font-size: clamp(3.8rem, 18vw, 6rem); }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 290px; border-left: 1px solid rgba(255,255,255,.18); }
  .service-card h3 { margin-top: 75px; }
  .product-row { grid-template-columns: 1fr; gap: 12px; }
  .product-actions { grid-column: auto; flex-wrap: wrap; }
  .extras { padding: 30px 22px; }
  .footer { flex-direction: column; gap: 10px; }
}


/* Language switch */
.lang-toggle{appearance:none;border:1px solid var(--line);background:transparent;color:inherit;font:inherit;font-weight:800;letter-spacing:.04em;padding:.55rem .75rem;border-radius:999px;cursor:pointer;margin-left:.5rem;transition:.2s ease}.lang-toggle:hover{border-color:var(--accent);color:var(--accent-2);transform:translateY(-1px)}

/* Header readability + language switch */
header, .header, .site-header, .nav, .nav a {
  color: #111318;
}
.nav a:hover {
  color: var(--accent);
}
.lang-toggle {
  appearance: none;
  border: 1px solid #111318;
  background: #111318;
  color: #ffffff;
  font: inherit;
  font-weight: 800;
  letter-spacing: .04em;
  padding: .5rem .75rem;
  border-radius: 999px;
  cursor: pointer;
  margin-left: .65rem;
  transition: .2s ease;
}
.lang-toggle:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  transform: translateY(-1px);
}

/* Prominent ENG / GR language switch */
.language-switch{
  display:inline-flex;
  align-items:center;
  gap:2px;
  margin-left:18px;
  padding:3px;
  border:1px solid #111318;
  border-radius:999px;
  background:#111318;
  box-shadow:0 4px 14px rgba(0,0,0,.12);
  flex-shrink:0;
}
.language-switch .lang-option{
  appearance:none;
  border:0;
  background:transparent;
  color:#ffffff;
  min-width:44px;
  height:32px;
  padding:0 10px;
  border-radius:999px;
  font:inherit;
  font-size:.72rem;
  font-weight:800;
  letter-spacing:.06em;
  line-height:32px;
  cursor:pointer;
  opacity:.72;
  transition:all .2s ease;
}
.language-switch .lang-option:hover{
  opacity:1;
}
.language-switch .lang-option.active{
  background:#4D8DFF;
  color:#ffffff;
  opacity:1;
}