/* Roeon project · δημόσιο site. Χρώματα όπως η εφαρμογή (Ocean Mist, D-22b). Χωρίς γραμματοσειρές από έξω. */
:root {
  --c: #135c86;
  --c2: #128a86;
  --dark: #0b2f52;
  --ink: #16212c;
  --muted: #5b6b7a;
  --line: #e3e9ef;
  --bg: #f6f9fb;
  --grad: linear-gradient(135deg, #135c86, #128a86);
  --hero: linear-gradient(135deg, #0e3a66 0%, #135c86 45%, #128a86 78%, #3ba36a 100%);
  --radius: 18px;
  --shadow: 0 18px 50px rgba(6, 30, 56, 0.18);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--c); }
h1, h2, h3 { line-height: 1.15; margin: 0 0 0.5em; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.6rem); }
h3 { font-size: 1.12rem; }
p { margin: 0 0 1em; }
.wrap { width: min(1160px, 100% - 40px); margin: 0 auto; }
.narrow { width: min(820px, 100% - 40px); }
.skip { position: absolute; left: -999px; top: 8px; background: #fff; padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid #f5b400; outline-offset: 2px; border-radius: 6px; }

/* Κουμπιά */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.85em 1.4em; border-radius: 999px; font-weight: 700; text-decoration: none;
  color: #fff; background: var(--grad); box-shadow: 0 8px 24px rgba(18, 138, 134, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 12px 30px rgba(18, 138, 134, 0.45); }
.btn-sm { padding: 0.55em 1.05em; font-size: 0.95rem; }
.btn-ghost { background: rgba(255, 255, 255, 0.12); box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.6); }
.btn-light { background: #fff; color: var(--c); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2); }

/* Μενού */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, 0.86); backdrop-filter: blur(14px) saturate(160%); border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.nav.scrolled { border-bottom-color: var(--line); }
.nav-in { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; }
.brand img { height: 40px; width: auto; }
.nav-links { display: flex; gap: 22px; margin-left: 12px; }
.nav-links a, .nav-cta .link, .lang { color: var(--ink); text-decoration: none; font-weight: 500; font-size: 0.97rem; }
.nav-links a:hover, .nav-cta .link:hover, .lang:hover { color: var(--c); }
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.lang { color: var(--muted); font-size: 0.9rem; }

/* Hero */
.hero { background: var(--hero); color: #fff; padding: 72px 0 96px; overflow: hidden; position: relative; }
.hero::before { content: ''; position: absolute; inset: auto -10% -40% auto; width: 60vw; height: 60vw; background: radial-gradient(circle, rgba(120, 220, 200, 0.35), transparent 65%); pointer-events: none; }
.hero-in { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; position: relative; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.8rem; font-weight: 700; opacity: 0.85; }
.hero h1 { font-size: clamp(2.3rem, 5vw, 3.9rem); }
.hero h1 span { background: linear-gradient(90deg, #b9f3e4, #ffffff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 1.15rem; opacity: 0.93; max-width: 36em; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 14px; }
.note { font-size: 0.9rem; opacity: 0.8; margin: 0; }

/* Εικόνα της εφαρμογής */
.window { background: #fff; color: var(--ink); border-radius: 16px; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35); overflow: hidden; transform: perspective(1400px) rotateY(-8deg) rotateX(3deg); }
.window-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: #eef2f6; border-bottom: 1px solid var(--line); }
.window-bar i { width: 11px; height: 11px; border-radius: 50%; background: #d4dbe2; }
.window-bar i:first-child { background: #ff6b5f; } .window-bar i:nth-child(2) { background: #ffbd2e; } .window-bar i:nth-child(3) { background: #28c840; }
.window-bar span { margin-left: 10px; font-size: 0.78rem; color: var(--muted); background: #fff; padding: 2px 10px; border-radius: 6px; }
.window-body { display: grid; grid-template-columns: 150px 1fr; min-height: 320px; }
.mock-side { background: var(--hero); color: #fff; padding: 14px 10px; display: flex; flex-direction: column; gap: 6px; font-size: 0.82rem; }
.mock-side b { font-size: 1rem; margin-bottom: 8px; padding-left: 8px; }
.mock-side span { padding: 6px 8px; border-radius: 8px; opacity: 0.85; }
.mock-side span.on { background: rgba(255, 255, 255, 0.95); color: var(--c); opacity: 1; font-weight: 700; }
.mock-main { padding: 14px; background: var(--bg); }
.mock-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 12px; }
.mock-tiles div { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; }
.mock-tiles small { display: block; font-size: 0.68rem; color: var(--muted); }
.mock-tiles strong { font-size: 1.15rem; }
.mock-rows { background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.row { display: grid; grid-template-columns: 60px 1fr auto; gap: 10px; align-items: center; padding: 9px 12px; font-size: 0.82rem; border-bottom: 1px solid var(--line); }
.row:last-child { border-bottom: 0; }
.pill { justify-self: start; font-size: 0.7rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; }
.p-blue { background: #e3effa; color: #1f5f99; } .p-teal { background: #ddf4f1; color: #0d7470; }
.p-green { background: #e2f5e7; color: #1f7a3c; } .p-gray { background: #eef1f4; color: #57636f; }

/* Ενότητες */
section { padding: 96px 0; }
.sub { color: var(--muted); font-size: 1.1rem; max-width: 42em; }
.problem { text-align: center; }
.scatter { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin: 36px auto; max-width: 860px; }
.chip { background: var(--bg); border: 1px dashed #c8d3dd; border-radius: 999px; padding: 10px 18px; color: var(--muted); font-weight: 500; }
.chip:nth-child(odd) { transform: rotate(-2deg); } .chip:nth-child(even) { transform: rotate(2deg); }
.chip.in { transform: rotate(0); }
.answer { font-size: clamp(1.4rem, 3vw, 2.1rem); font-weight: 700; }
.answer strong { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.journey { background: var(--bg); }
.steps-line { list-style: none; padding: 0; margin: 44px 0 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; position: relative; }
.steps-line::before { content: ''; position: absolute; top: 22px; left: 5%; right: 5%; height: 3px; background: linear-gradient(90deg, #135c86, #128a86, #3ba36a); border-radius: 3px; }
.steps-line li { position: relative; }
.steps-line b, .how-grid b { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--grad); color: #fff; font-size: 1.1rem; margin-bottom: 14px; box-shadow: 0 0 0 6px var(--bg); position: relative; }
.steps-line p, .how-grid p, .card p { color: var(--muted); font-size: 0.97rem; margin: 0; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: #fff; transition: transform 0.2s, box-shadow 0.2s; }
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card h3 { display: flex; align-items: center; gap: 10px; }
.card h3::before { content: ''; width: 10px; height: 10px; border-radius: 3px; background: var(--grad); flex: none; }

.trust { background: var(--hero); color: #fff; }
.trust-in { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 32px; }
.checks li::before { content: '✓'; position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 0.8rem; font-weight: 800; background: rgba(255, 255, 255, 0.95); color: var(--c2); }
.trust .checks li { background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.22); border-radius: 14px; padding: 14px 16px 14px 48px; }
.trust .checks li::before { left: 14px; top: 15px; }

.how-grid { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.how-grid li { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.how-grid b { box-shadow: none; }
.compat { margin-top: 28px; color: var(--muted); font-weight: 600; text-align: center; }

.pricing { background: var(--bg); text-align: center; }
.price-card { max-width: 440px; margin: 36px auto 0; background: #fff; border-radius: 24px; padding: 36px 32px; box-shadow: var(--shadow); border: 1px solid var(--line); text-align: left; }
.plan { font-weight: 700; color: var(--c); margin: 0; }
.price { margin: 6px 0 2px; } .price strong { font-size: 3rem; letter-spacing: -0.03em; } .price span { color: var(--muted); }
.yearly { color: var(--c2); font-weight: 600; }
.price-card .checks { margin: 20px 0 26px; } .price-card .checks li::before { background: var(--grad); color: #fff; }
.price-card .btn { width: 100%; }
.price-card .note { color: var(--muted); opacity: 1; text-align: center; margin-top: 12px; }

.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font-weight: 650; font-size: 1.06rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 1.4rem; line-height: 1; color: var(--c2); transition: transform 0.2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); margin: 12px 0 0; }

.final { background: var(--hero); color: #fff; text-align: center; }
.final h2 { max-width: 22em; margin: 0 auto 28px; }

.foot { padding: 32px 0; border-top: 1px solid var(--line); }
.foot-in { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.foot nav { display: flex; gap: 18px; flex-wrap: wrap; }
.foot nav a { color: var(--muted); text-decoration: none; }
.foot small { margin-left: auto; color: var(--muted); }
.brand-sm { height: 32px; width: auto; }
.vat { color: var(--muted); font-size: 0.92rem; margin: 0 0 6px; }
.soon { text-align: center; color: var(--c2); font-weight: 600; margin-top: 6px; }
.contact { margin: 22px 0 0; opacity: 0.9; } .contact a { color: #fff; font-weight: 700; }

/* Εμφάνιση με κύλιση (μόνο αν υπάρχει JS και δεν έχει ζητηθεί λιγότερη κίνηση) */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.js .reveal.in { opacity: 1; transform: none; }
.js .chip.reveal:not(.in) { transform: translateY(18px) rotate(var(--r, 0deg)); }
.js .window.reveal { transform: perspective(1400px) rotateY(-14deg) rotateX(6deg) translateY(30px); }
.js .window.reveal.in { transform: perspective(1400px) rotateY(-8deg) rotateX(3deg); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal, .js .reveal.in, .js .window.reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card { transition: none; }
}

/* Κινητό / tablet */
@media (max-width: 980px) {
  .hero-in, .trust-in { grid-template-columns: 1fr; }
  .window, .js .window.reveal, .js .window.reveal.in { transform: none; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .how-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-line { grid-template-columns: 1fr; gap: 22px; }
  .steps-line::before { top: 0; bottom: 0; left: 22px; right: auto; width: 3px; height: auto; }
  .steps-line li { padding-left: 64px; }
  .steps-line b { position: absolute; left: 0; top: 0; }
  .nav-links { display: none; }
}
@media (max-width: 620px) {
  section { padding: 64px 0; }
  .hero { padding: 48px 0 64px; }
  .grid, .how-grid { grid-template-columns: 1fr; }
  .nav-cta .link, .nav-cta .lang { display: none; }
  .window-body { grid-template-columns: 1fr; }
  .mock-side { display: none; }
  .foot small { margin-left: 0; }
}

/* Νομικά κείμενα (D-59) */
.legal { padding: 32px 0 64px; line-height: 1.65; }
.legal h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); margin: 0.2em 0 0.2em; }
.legal h2 { font-size: 1.3rem; margin: 1.8em 0 0.5em; }
.legal h3 { font-size: 1.05rem; margin: 1.3em 0 0.4em; }
.legal ul { padding-left: 1.3em; margin: 0 0 1em; }
.legal code { font-size: 0.9em; background: #eef2f6; padding: 1px 5px; border-radius: 5px; }
.legal-nav { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-bottom: 16px; font-size: 0.93rem; }
.legal-nav a { color: var(--c); text-decoration: none; }
.lg-table { overflow-x: auto; margin: 0 0 1.2em; }
.legal table { border-collapse: collapse; width: 100%; font-size: 0.93rem; }
.legal th, .legal td { border: 1px solid var(--line); padding: 7px 9px; text-align: left; vertical-align: top; }
.legal th { background: #f4f7fa; }

/* Επικοινωνία (D-60) */
.c-hero { background: var(--hero); color: #fff; padding: 56px 0 64px; }
.c-hero h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin: 0.2em 0 0.3em; }
.c-hero .lead { max-width: 40em; }
.c-body { padding: 40px 0 72px; background: var(--bg); }
.c-grid { display: grid; grid-template-columns: 320px 1fr; gap: 28px; align-items: start; margin-top: -76px; }
.c-side { display: flex; flex-direction: column; gap: 14px; }
.c-card, .c-form-wrap { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 20px 22px; box-shadow: 0 12px 34px rgba(14, 58, 102, 0.08); }
.c-card h2 { font-size: 1.05rem; margin: 0 0 6px; }
.c-card p { margin: 0 0 8px; color: var(--muted); font-size: 0.95rem; }
.c-card a { color: var(--c); font-weight: 600; text-decoration: none; }
.c-mail { font-size: 1.05rem; }
.c-form-wrap { padding: 26px 28px; }
.c-form { display: flex; flex-direction: column; gap: 14px; }
.c-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.c-form label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 0.92rem; }
.c-form input, .c-form select, .c-form textarea { font: inherit; font-weight: 400; padding: 0.7em 0.85em; border: 1px solid #cfd8e2; border-radius: 12px; background: #fff; color: var(--ink); width: 100%; box-sizing: border-box; }
.c-form textarea { resize: vertical; min-height: 140px; }
.c-form input:focus, .c-form select:focus, .c-form textarea:focus { outline: none; border-color: var(--c); box-shadow: 0 0 0 3px rgba(19, 92, 134, 0.15); }
.c-form .btn { align-self: flex-start; border: 0; cursor: pointer; font: inherit; font-weight: 700; }
.c-form .btn:disabled { opacity: 0.7; cursor: progress; }
.c-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.c-privacy, .c-req { font-size: 0.85rem; color: var(--muted); margin: 0; }
.c-privacy a { color: var(--c); }
.c-msg { margin: 0; padding: 10px 14px; border-radius: 12px; background: #fff4e5; color: #8a4b00; font-size: 0.93rem; }
.c-done { text-align: center; padding: 32px 8px; }
.c-done h2 { margin: 0 0 8px; }
@media (max-width: 860px) {
  .c-grid { grid-template-columns: 1fr; margin-top: -48px; }
  .c-side { order: 2; }
  .c-row { grid-template-columns: 1fr; }
  .c-form-wrap { padding: 20px 16px; }
}