:root {
  --ink: #1c2530;
  --ink-soft: #4a5562;
  --navy: #17324d;
  --navy-deep: #0f2236;
  --accent: #a8742a;
  --accent-soft: #eadcc3;
  --paper: #f1ece3;
  --card: #faf7f1;
  --alt: #e9e2d5;
  --line: #dcd3c4;
  --radius: 10px;
  --wrap: 1080px;
  --serif: Georgia, "Noto Serif", "Times New Roman", serif;
  --sans: "Segoe UI", system-ui, -apple-system, Roboto, "Noto Sans", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.65 var(--sans);
}
h1, h2, h3 { font-family: var(--serif); color: var(--navy); line-height: 1.25; margin: 0 0 .6em; font-weight: 700; }
h1 { font-size: clamp(1.9rem, 4.6vw, 2.9rem); }
h2 { font-size: clamp(1.55rem, 3.4vw, 2.1rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
a { color: var(--navy); }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.eyebrow { font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin-bottom: .8em; }
.lead { font-size: 1.12rem; color: var(--ink-soft); max-width: 62ch; }
section { padding: 72px 0; }
section + section { border-top: 1px solid var(--line); }
section[id] { scroll-margin-top: 64px; }
.alt { background: var(--alt); }

/* Κεφαλίδα */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(241,236,227,.94); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); }
.brand-mark { width: 36px; height: 36px; flex: none; }
.brand-name { font-family: var(--serif); font-weight: 700; font-size: 1.05rem; line-height: 1.15; }
.brand-name small { display: block; font-family: var(--sans); font-weight: 400; font-size: .75rem; color: var(--ink-soft); }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a:not(.btn) { text-decoration: none; color: var(--ink); font-size: .95rem; }
.nav a:not(.btn):hover { color: var(--accent); }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 999px; text-decoration: none; font-weight: 600; font-size: 1rem; border: 2px solid var(--navy); transition: background .15s, color .15s; }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-deep); border-color: var(--navy-deep); }
.btn-ghost { background: transparent; color: var(--navy); }
.btn-ghost:hover { background: var(--navy); color: #fff; }
.btn-light { background: #fff; color: var(--navy); border-color: #fff; }
.btn-light:hover { background: var(--accent-soft); border-color: var(--accent-soft); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.btn-outline-light:hover { background: rgba(255,255,255,.1); }
.btn-sm { padding: 8px 14px; font-size: .9rem; }
.btn svg { width: 18px; height: 18px; flex: none; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* Εισαγωγή */
.hero { padding: 88px 0 56px; }
.hero h1 { max-width: 20ch; }
.facts { list-style: none; padding: 0; margin: 48px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.facts li { display: flex; gap: 12px; align-items: flex-start; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; font-size: .95rem; color: var(--ink-soft); }
.facts b { display: block; color: var(--navy); font-size: 1rem; }
.facts svg { width: 24px; height: 24px; flex: none; color: var(--accent); margin-top: 2px; }

.stats { list-style: none; padding: 0; margin: 48px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stats li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; font-size: .92rem; color: var(--ink-soft); line-height: 1.45; }
.stats b { display: block; font-family: var(--serif); font-size: 1.7rem; color: var(--navy); margin-bottom: 4px; }

/* Πρόβλημα */
.problem-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start; }
.checklist { list-style: none; padding: 0; margin: 0 0 1.2em; }
.checklist li { position: relative; padding: 10px 0 10px 32px; border-bottom: 1px dashed var(--line); }
.checklist li:last-child { border-bottom: 0; }
.checklist li::before { content: ""; position: absolute; left: 4px; top: 19px; width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--accent); }
.callout { background: var(--navy); color: #e8eef5; border-radius: var(--radius); padding: 28px; }
.callout strong { color: #fff; display: block; font-family: var(--serif); font-size: 1.25rem; margin-bottom: .5em; }
.callout p:last-child { margin-bottom: 0; }

/* Κάρτες */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; display: flex; flex-direction: column; }
.card .num { font-family: var(--serif); color: var(--accent); font-size: .95rem; font-weight: 700; margin-bottom: .5em; }
.card p { color: var(--ink-soft); font-size: .97rem; margin-bottom: 0; }
.card .more { margin-top: auto; padding-top: 14px; font-size: .93rem; font-weight: 600; }

/* Προγράμματα */
.software .card { background: var(--card); border-top: 4px solid var(--navy); }
.software .tag { display: inline-block; align-self: flex-start; font-size: .78rem; font-weight: 600; color: var(--accent); background: var(--accent-soft); border-radius: 999px; padding: 3px 10px; margin-bottom: 12px; }
.software .card p { margin-bottom: 1em; }
.software .card .more { padding-top: 4px; }

/* Ποιος είμαι */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: start; }
.principles { background: var(--accent-soft); border-radius: var(--radius); padding: 26px 28px; }
.principles h3 { margin-bottom: .8em; }
.principles ul { margin: 0; padding-left: 1.1em; }
.principles li { margin-bottom: .45em; }

/* Πώς δουλεύουμε */
.steps { list-style: none; padding: 0; margin: 36px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.steps li { counter-increment: step; border-top: 3px solid var(--navy); padding-top: 18px; }
.steps li::before { content: counter(step); display: block; font-family: var(--serif); font-size: 2rem; color: var(--accent); line-height: 1; margin-bottom: 10px; }
.steps p { color: var(--ink-soft); font-size: .97rem; margin: 0; }
.remote { margin-top: 48px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.remote h3 { font-size: 1.3rem; }
.remote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 16px; }
.remote-grid h4 { margin: 0 0 .3em; color: var(--navy); font-size: 1rem; }
.remote-grid p { margin: 0; color: var(--ink-soft); font-size: .95rem; }

/* Επικοινωνία */
.contact { background: var(--navy); color: #dfe7f0; }
.contact h2 { color: #fff; }
.contact .lead { color: #c4d1de; }
.contact-list { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; max-width: 760px; }
.contact-list a, .contact-list .item { display: flex; gap: 14px; align-items: center; padding: 18px 20px; border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius); color: #fff; text-decoration: none; height: 100%; }
.contact-list a:hover { background: rgba(255,255,255,.07); }
.contact-list svg { width: 22px; height: 22px; flex: none; color: #e0b66f; }
.contact-list span { display: block; font-size: .8rem; color: #a9b9c9; }
.contact-list b { font-weight: 600; word-break: break-word; }

/* Σελίδες προγραμμάτων */
.crumbs { font-size: .9rem; color: var(--ink-soft); margin-bottom: 1.2em; }
.crumbs a { color: var(--ink-soft); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.ticks { list-style: none; padding: 0; margin: 0; }
.ticks li { position: relative; padding: 8px 0 8px 30px; }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 15px; width: 14px; height: 8px; border-left: 2.5px solid var(--accent); border-bottom: 2.5px solid var(--accent); transform: rotate(-45deg); }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.badge { display: flex; gap: 12px; align-items: flex-start; max-width: 62ch; margin: 28px 0 0; padding: 14px 18px; background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: var(--radius); font-size: .95rem; color: var(--ink-soft); }
.badge b { color: var(--navy); }
.badge svg { width: 24px; height: 24px; flex: none; color: var(--accent); margin-top: 1px; }
.note { font-size: .88rem; color: var(--ink-soft); margin-top: 1.2em; }
.cta-band { background: var(--navy); color: #dfe7f0; border-radius: var(--radius); padding: 36px; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #c4d1de; max-width: 60ch; }
.cta-band .actions { margin-top: 20px; }

footer { background: var(--navy-deep); color: #93a5b8; font-size: .88rem; padding: 28px 0; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; }
footer a { color: #c4d1de; text-decoration: none; }
footer a:hover { color: #fff; }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }

@media (max-width: 900px) {
  .cards, .remote-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .facts { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .problem-grid, .about-grid, .split { grid-template-columns: 1fr; gap: 32px; }
  .nav a:not(.btn) { display: none; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  section { padding: 56px 0; }
  .hero { padding: 56px 0 40px; }
  .cards, .steps, .remote-grid, .contact-list { grid-template-columns: 1fr; }
  .brand-name small { display: none; }
  .hero .actions .btn, .cta-band .actions .btn { width: 100%; justify-content: center; }
  .cta-band { padding: 28px 22px; }
}