/* Powerline — Συστήματα Πληροφορικής · Τηλεπικοινωνίες */
:root {
  --red: #c8102e;
  --red-dark: #9e0c24;
  --red-soft: #fdecef;
  --ink: #14202e;
  --text: #2b3645;
  --muted: #5d6b7c;
  --line: #e3e8ee;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --navy: #0f1c2b;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 28, 43, .06), 0 8px 24px rgba(16, 28, 43, .06);
  --wrap: 1180px;
  font-size: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6; -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--red); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.2; margin: 0 0 .6em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.2rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 750; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: .5rem 1rem; z-index: 99; }
.skip:focus { left: 1rem; }
.ico { width: 18px; height: 18px; flex: none; vertical-align: -3px; }
:focus-visible { outline: 3px solid rgba(200, 16, 46, .45); outline-offset: 2px; border-radius: 4px; }

/* κεφαλίδα */
.topbar { background: var(--navy); color: #c9d3de; font-size: .85rem; }
.topbar .wrap { display: flex; justify-content: space-between; gap: 1rem; padding-top: .45rem; padding-bottom: .45rem; }
.topbar a { color: #fff; display: inline-flex; align-items: center; gap: .35rem; }
.topbar-links { display: flex; gap: 1.4rem; }
.topbar a.topbar-portal { background: var(--red); padding: .1rem .7rem; border-radius: 999px; font-weight: 600; }
.topbar a.topbar-portal:hover { background: #a50d26; text-decoration: none; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 1rem; }
.brand img { display: block; width: 150px; height: auto; }
.nav { display: flex; align-items: center; gap: .3rem; }
.nav a { color: var(--ink); font-weight: 600; font-size: .95rem; padding: .5rem .75rem; border-radius: 8px; }
.nav a:hover { background: var(--bg-alt); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--red); }
.nav .btn { color: #fff; margin-left: .5rem; }
.nav .btn:hover { background: var(--red-dark); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: .45rem; color: var(--ink); cursor: pointer; }
.nav-toggle .ico { width: 24px; height: 24px; }

/* κουμπιά */
.btn { display: inline-flex; align-items: center; gap: .5rem; background: var(--red); color: #fff; font-weight: 700; padding: .85rem 1.4rem; border-radius: 10px; border: 2px solid var(--red); cursor: pointer; font: inherit; font-weight: 700; transition: background .15s, transform .15s; }
.btn:hover { background: var(--red-dark); border-color: var(--red-dark); text-decoration: none; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg-alt); border-color: var(--line); }
.btn-light { background: #fff; color: var(--red); border-color: #fff; }
.btn-light:hover { background: var(--red-soft); border-color: var(--red-soft); }
.btn-sm { padding: .5rem 1rem; font-size: .92rem; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }

/* hero */
.hero { position: relative; overflow: hidden; background: radial-gradient(1200px 500px at 85% -10%, #ffe3e8 0, transparent 60%), linear-gradient(180deg, #fff, var(--bg-alt)); }
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; padding-top: 5rem; padding-bottom: 5rem; }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--red); background: var(--red-soft); padding: .3rem .7rem; border-radius: 999px; margin-bottom: 1rem; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 40em; }
.hero-card { background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); padding: 1.6rem; }
.hero-card h3 { font-size: 1rem; color: var(--muted); font-weight: 600; margin-bottom: 1rem; }
.stack { display: grid; gap: .7rem; }
.stack-item { display: flex; gap: .9rem; align-items: center; padding: .8rem 1rem; border-radius: 12px; background: var(--bg-alt); }
.stack-item b { color: var(--ink); display: block; }
.stack-item span { font-size: .88rem; color: var(--muted); }
.badge { flex: none; width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; color: #fff; font-weight: 800; font-size: .95rem; background: var(--red); }
.badge.navy { background: var(--navy); }
.badge.blue { background: #1f5fae; }
.badge.green { background: #1d7a4e; }
.page-hero { background: linear-gradient(180deg, #fff, var(--bg-alt)); border-bottom: 1px solid var(--line); }
.page-hero .wrap { padding-top: 3.6rem; padding-bottom: 3.2rem; }
.page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); }
.crumbs { font-size: .88rem; color: var(--muted); margin-bottom: .8rem; }
.crumbs a { color: var(--muted); }

/* ενότητες */
section { padding: 4.5rem 0; }
.alt { background: var(--bg-alt); }
.section-head { max-width: 760px; margin-bottom: 2.4rem; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-head p { color: var(--muted); font-size: 1.05rem; }
.grid { display: grid; gap: 1.2rem; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.card p { color: var(--muted); font-size: .97rem; }
.card ul { margin: 0 0 1rem; padding-left: 1.1rem; color: var(--text); font-size: .95rem; }
.card ul li { margin-bottom: .25rem; }
.card .more { margin-top: auto; font-weight: 700; }
.card-ico { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; background: var(--red-soft); color: var(--red); margin-bottom: 1rem; }
.card-ico svg { width: 26px; height: 26px; }
a.card { color: inherit; transition: transform .15s, box-shadow .15s, border-color .15s; }
a.card:hover { text-decoration: none; transform: translateY(-3px); border-color: #f2b8c2; box-shadow: 0 12px 30px rgba(16, 28, 43, .1); }
.tag { display: inline-block; font-size: .75rem; font-weight: 700; color: var(--red); background: var(--red-soft); border-radius: 999px; padding: .15rem .6rem; margin-bottom: .7rem; align-self: flex-start; }
.tag.navy { color: #fff; background: var(--navy); }

/* σύγκριση Galaxy / Pylon */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
.compare .card { padding: 2rem; }
.compare h3 { font-size: 1.5rem; }
.ticks { list-style: none; padding: 0 !important; }
.ticks li { position: relative; padding-left: 1.7rem; margin-bottom: .55rem !important; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .35em; width: 1.05rem; height: 1.05rem; border-radius: 50%; background: var(--red-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c8102e' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/70% no-repeat; }

/* κλάδοι */
.chips { display: flex; flex-wrap: wrap; gap: .6rem; }
.chip { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: .55rem 1rem; font-weight: 600; color: var(--ink); font-size: .95rem; }

.small-chips { margin-top: auto; gap: .4rem; }
.small-chips .chip { padding: .3rem .8rem; font-size: .85rem; }

.product-card img, .img-placeholder { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: contain; border-radius: 10px; background: #fff; border: 1px solid var(--line); margin-bottom: 1rem; }
.img-placeholder { display: grid; place-items: center; background: var(--bg-alt); color: var(--muted); font: italic 700 1.6rem Georgia, serif; }
.specs { margin: 0 0 1rem; padding-left: 1.1rem; font-size: .9rem; color: var(--text); }
.specs li { margin-bottom: .2rem; }
.buy { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: auto; }
.more-link { margin-top: 1.4rem; font-weight: 700; }

/* βήματα */
.steps { counter-reset: s; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.step { position: relative; padding: 1.5rem; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.step::before { counter-increment: s; content: counter(s); display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--red); color: #fff; font-weight: 800; margin-bottom: .9rem; }
.step p { color: var(--muted); font-size: .95rem; margin: 0; }

/* λίστα προϊόντων */
.product { display: grid; grid-template-columns: 220px 1fr; gap: 1.6rem; padding: 1.6rem 0; border-top: 1px solid var(--line); }
.product:first-of-type { border-top: 0; }
.product h3 { font-size: 1.25rem; margin: 0; }
.product .for { color: var(--muted); font-size: .9rem; margin-top: .3rem; }
.product p { color: var(--text); }
.product ul { margin: 0; padding-left: 1.1rem; columns: 2; column-gap: 2rem; }
.product ul li { break-inside: avoid; margin-bottom: .25rem; }

/* επίσημος συνεργάτης */
.partner { display: flex; align-items: center; gap: 1.6rem; border: 1px solid var(--line); border-radius: 20px; padding: 1.8rem 2rem; background: #fff; box-shadow: var(--shadow); }
.partner h3 { font-size: 1.3rem; margin-bottom: .3rem; }
.partner p { color: var(--muted); margin: 0; }
.partner .btn { flex: none; margin-left: auto; }
.partner-mark { flex: none; width: 64px; height: 64px; border-radius: 16px; background: var(--navy); color: #fff; display: grid; place-items: center; font: italic 700 2.2rem Georgia, serif; }

/* τιμές */
.prices { width: 100%; border-collapse: collapse; margin-bottom: .5rem; }
.prices td { padding: .7rem 0; border-top: 1px solid var(--line); vertical-align: top; }
.prices tr:first-child td { border-top: 0; }
.prices td:last-child { text-align: right; font-weight: 800; color: var(--ink); white-space: nowrap; padding-left: 1rem; font-size: 1.1rem; }
.prices small { display: block; color: var(--muted); font-size: .82rem; margin-top: .15rem; }
.small-note { font-size: .85rem; margin: 0; }
.notes { margin: 1.6rem 0 0; padding-left: 1.2rem; color: var(--muted); }
.notes li { margin-bottom: .4rem; }

/* CTA */
.cta { background: linear-gradient(120deg, var(--red) 0%, #a30d27 100%); color: #fff; border-radius: 20px; padding: 2.6rem; display: flex; justify-content: space-between; align-items: center; gap: 2rem; }
.cta h2 { color: #fff; margin-bottom: .3rem; }
.cta p { margin: 0; color: #ffe3e8; }
.cta .actions { margin: 0; flex: none; }
.cta .btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .5); }
.cta .btn-ghost:hover { background: rgba(255, 255, 255, .1); }

/* επικοινωνία */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 2rem; align-items: start; }
.info-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.info-list li { display: flex; gap: .9rem; align-items: flex-start; }
.info-list .card-ico { margin: 0; width: 42px; height: 42px; }
.info-list b { display: block; color: var(--ink); }
form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
form label { display: block; font-weight: 600; color: var(--ink); font-size: .92rem; margin-bottom: 1rem; }
form input, form select, form textarea { display: block; width: 100%; margin-top: .35rem; font: inherit; padding: .7rem .85rem; border: 1px solid #cdd5df; border-radius: 10px; background: #fff; color: var(--ink); }
form input:focus, form select:focus, form textarea:focus { border-color: var(--red); outline: 3px solid rgba(200, 16, 46, .15); }
form .check { display: flex; gap: .6rem; align-items: flex-start; font-weight: 400; color: var(--muted); }
form .check input { width: auto; margin-top: .3rem; }
.hp { position: absolute; left: -5000px; }
.notice { padding: 1rem 1.2rem; border-radius: 10px; margin-bottom: 1rem; font-weight: 600; }
.notice.ok { background: #e7f6ee; color: #145c39; }
.notice.err { background: var(--red-soft); color: var(--red-dark); }

/* υποσέλιδο */
/* μπάρα συνεργατών */
.partners-bar { background: #fff; border-top: 1px solid #e6eaef; padding: 2rem 0 2.2rem; }
.partners-bar h2 { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: #6b7785; text-align: center; margin: 0 0 1.2rem; }
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; width: max-content; animation: pl-marquee 55s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee ul { display: flex; align-items: center; list-style: none; margin: 0; padding: 0; }
.marquee li { padding: 0 2.8rem; }
.marquee img { height: 48px; width: auto; max-width: none; }
@keyframes pl-marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; flex-wrap: wrap; width: auto; justify-content: center; } .marquee-track > ul[aria-hidden] { display: none; } }
@media (max-width: 640px) { .marquee img { height: 36px; } .marquee li { padding: 0 1.6rem; } }

.site-footer { background: var(--navy); color: #b8c4d1; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.3fr; gap: 2.5rem; padding-top: 3.5rem; padding-bottom: 2.5rem; }
.site-footer h3 { color: #fff; font-size: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.site-footer a { color: #e3e9f0; }
.footer-areas { font-size: .88rem; }
.area-group { margin-bottom: 1.4rem; }
.area-group h3 { font-size: 1rem; margin: 0 0 .5rem; }
.footer-areas a { text-decoration: underline; }
.footer-logo { background: #fff; border-radius: 10px; padding: .4rem .7rem; margin-bottom: 1rem; width: 150px; }
.contact-list li { display: flex; gap: .6rem; align-items: flex-start; }
.contact-list .ico { margin-top: 4px; color: #ff8a9c; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; border-top: 1px solid rgba(255, 255, 255, .1); padding-top: 1.2rem; padding-bottom: 1.6rem; font-size: .85rem; }

/* κινητό */
/* μεσαίες οθόνες: όλο το μενού σε μία γραμμή */
@media (max-width: 1180px) {
  .nav { gap: 0; }
  .nav a { padding: .5rem .45rem; font-size: .88rem; white-space: nowrap; }
  .nav .btn { margin-left: .3rem; }
  .brand img { width: 120px; height: auto; }
  .topbar-links a { white-space: nowrap; }
  .topbar .wrap > span:first-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}
@media (max-width: 980px) {
  .hero .wrap, .contact-grid, .compare { grid-template-columns: 1fr; }
  .g4, .steps { grid-template-columns: repeat(2, 1fr); }
  .g3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; padding: .6rem 20px 1rem; box-shadow: var(--shadow); }
  .nav.open { display: flex; }
  .nav a { padding: .8rem .5rem; }
  .nav .btn { margin: .4rem 0 0; justify-content: center; }
  .cta, .partner { flex-direction: column; align-items: flex-start; }
  .partner .btn { margin-left: 0; }
}
@media (max-width: 640px) {
  section { padding: 3.2rem 0; }
  .g2, .g3, .g4, .steps, .footer-grid, form .row { grid-template-columns: 1fr; }
  .topbar .wrap > span:first-child { display: none; }
  .topbar .wrap { justify-content: center; }
  .topbar-links { gap: 1rem; font-size: .8rem; }
  .topbar-links a { white-space: nowrap; }
  .topbar-links a[href^="mailto:"] { display: none; }
  .hero .wrap { padding-top: 3rem; padding-bottom: 3rem; }
  .product { grid-template-columns: 1fr; gap: .6rem; }
  .product ul { columns: 1; }
  .cta { padding: 1.8rem; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }

section[id] { scroll-margin-top: 84px; }

/* οδηγοί / άρθρα */
.prose { max-width: 760px; }
.prose h2 { font-size: clamp(1.35rem, 2.4vw, 1.7rem); margin-top: 2.2rem; }
.prose h3 { margin-top: 1.4rem; }
.prose p, .prose li { font-size: 1.05rem; line-height: 1.7; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin-bottom: .45rem; }
.prose .callout { background: var(--bg-alt); border-left: 4px solid var(--red, #c8102e); border-radius: 8px; padding: 1rem 1.2rem; margin: 1.4rem 0; }
.prose .callout p { margin: 0; }
.article-meta { color: var(--muted); font-size: .9rem; margin-top: .6rem; }
.table-scroll { overflow-x: auto; margin: 1.2rem 0; }
.compare-table { width: 100%; border-collapse: collapse; min-width: 560px; font-size: .97rem; }
.compare-table th, .compare-table td { border: 1px solid var(--line); padding: .65rem .8rem; text-align: left; vertical-align: top; }
.compare-table th { background: var(--bg-alt); color: var(--ink); }
.guide-card time { display: block; color: var(--muted); font-size: .85rem; margin-bottom: .4rem; }

/* Facebook */
.topbar a.topbar-fb .ico { width: 16px; height: 16px; }
.share { display: flex; flex-wrap: wrap; align-items: center; gap: .7rem; margin-top: 2.4rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.share > .ico { width: 20px; height: 20px; color: var(--red); }
.share > span { font-weight: 600; color: var(--ink); margin-right: .3rem; }
.share .btn .ico { width: 18px; height: 18px; }