/* HELLAS MESSENGER — δημόσια ιστοσελίδα (design system από tokens.css) */
@import url("tokens.css");

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--c-navy-950);
  color: var(--c-ink-100);
  font-family: "SF Pro Text", -apple-system, "Segoe UI", Inter, system-ui, sans-serif;
  font-size: var(--t-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---------- φόντο ---------- */
.mesh { position: fixed; inset: 0; z-index: -2; overflow: hidden; }
.mesh::before, .mesh::after, .mesh span {
  content: ""; position: absolute; border-radius: 50%; filter: blur(120px); opacity: .55;
}
.mesh::before { width: 70vw; height: 70vw; left: -20vw; top: -25vw;
  background: radial-gradient(circle at 30% 30%, var(--c-violet-500), transparent 65%); }
.mesh::after { width: 60vw; height: 60vw; right: -18vw; top: -10vw;
  background: radial-gradient(circle at 60% 40%, var(--c-cyan-400), transparent 62%); opacity: .38; }
.mesh span { width: 55vw; height: 55vw; left: 25vw; bottom: -30vw;
  background: radial-gradient(circle at 50% 50%, var(--c-pink-500), transparent 65%); opacity: .3; }
.grain::after {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .12;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}

/* ---------- δομή ---------- */
.wrap { width: min(1180px, 92vw); margin: 0 auto; }
header.nav {
  position: sticky; top: 0; z-index: 50; backdrop-filter: blur(22px) saturate(140%);
  background: rgba(5, 6, 11, .62); border-bottom: 1px solid var(--c-glass-border);
}
.nav-in { display: flex; align-items: center; gap: var(--s-6); padding: var(--s-4) 0; }
.logo { display: flex; align-items: center; gap: var(--s-3); font-weight: 700; letter-spacing: .04em; }
.logo .mark {
  width: 34px; height: 34px; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--c-blue-500), var(--c-violet-500));
  box-shadow: 0 6px 24px rgba(61, 126, 255, .45); font-size: 17px;
}
.nav a { color: var(--c-ink-400); text-decoration: none; font-size: var(--t-label);
  transition: color var(--m-fast) var(--m-spring); }
.nav a:hover { color: var(--c-ink-100); }
.nav .spacer { flex: 1; }
.pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: var(--r-pill);
  background: var(--c-glass-fill); border: 1px solid var(--c-glass-border);
  font-size: var(--t-caption); color: var(--c-ink-200); white-space: nowrap;
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--c-mint-400);
  box-shadow: 0 0 10px var(--c-mint-400); }
.dot.warn { background: var(--c-amber-400); box-shadow: 0 0 10px var(--c-amber-400); }

/* ---------- hero ---------- */
.hero { padding: clamp(48px, 9vw, 120px) 0 clamp(32px, 5vw, 64px); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--s-10); align-items: center; }
@media (max-width: 960px) { .hero-grid { grid-template-columns: 1fr; } }
h1 {
  font-size: clamp(38px, 5.4vw, 68px); line-height: 1.03; letter-spacing: -.03em; font-weight: 700;
  background: linear-gradient(100deg, #fff 10%, var(--c-blue-300) 45%, var(--c-violet-400) 80%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede { color: var(--c-ink-400); font-size: clamp(16px, 1.5vw, 19px); margin-top: var(--s-5); max-width: 42ch; }
.cta { display: flex; gap: var(--s-3); flex-wrap: wrap; margin-top: var(--s-8); }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 24px; border-radius: var(--r-pill);
  font-weight: 600; font-size: var(--t-label); text-decoration: none; border: 1px solid transparent;
  transition: transform var(--m-fast) var(--m-spring), box-shadow var(--m-base) ease, background var(--m-fast);
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--c-blue-500), var(--c-violet-500)); color: #fff;
  box-shadow: 0 12px 34px rgba(61, 126, 255, .42);
}
.btn-ghost { background: var(--c-glass-fill); border-color: var(--c-glass-border); color: var(--c-ink-100); }
.btn-ghost:hover { background: var(--c-glass-fill-strong); }

.stats { display: flex; gap: var(--s-8); margin-top: var(--s-10); flex-wrap: wrap; }
.stat b { display: block; font-size: 26px; font-weight: 700; letter-spacing: -.02em; }
.stat span { color: var(--c-ink-500); font-size: var(--t-caption); text-transform: uppercase; letter-spacing: .1em; }

.phones { position: relative; display: grid; place-items: center; }
.phones img {
  width: 100%; border-radius: var(--r-xl); border: 1px solid var(--c-glass-border);
  box-shadow: 0 40px 90px rgba(0, 0, 0, .6); transform: perspective(1200px) rotateY(-7deg) rotateX(3deg);
}

/* ---------- τμήματα ---------- */
section { padding: clamp(48px, 7vw, 96px) 0; }
.section-head { max-width: 62ch; margin-bottom: var(--s-10); }
.kicker { color: var(--c-cyan-400); font-size: var(--t-caption); letter-spacing: .18em;
  text-transform: uppercase; font-weight: 600; }
h2 { font-size: clamp(26px, 3.2vw, 40px); letter-spacing: -.02em; margin-top: var(--s-3); }
.section-head p { color: var(--c-ink-400); margin-top: var(--s-3); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--s-4); }
.card {
  background: linear-gradient(160deg, rgba(255,255,255,.075), rgba(255,255,255,.025));
  border: 1px solid var(--c-glass-border); border-radius: var(--r-lg); padding: var(--s-6);
  backdrop-filter: blur(18px); position: relative; overflow: hidden;
  transition: transform var(--m-base) var(--m-spring), border-color var(--m-base);
}
.card:hover { transform: translateY(-4px); border-color: var(--c-glass-border-strong); }
.card::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.5), transparent);
}
.card h3 { font-size: var(--t-h2); margin-bottom: var(--s-2); }
.card p { color: var(--c-ink-400); font-size: var(--t-label); }
.ico {
  width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; margin-bottom: var(--s-4);
  background: linear-gradient(135deg, rgba(61,126,255,.35), rgba(109,91,255,.28));
  border: 1px solid var(--c-glass-border); font-size: 20px;
}

.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-8); align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

.steps { counter-reset: s; display: grid; gap: var(--s-4); }
.step { display: grid; grid-template-columns: 44px 1fr; gap: var(--s-4); align-items: start;
  background: var(--c-glass-fill); border: 1px solid var(--c-glass-border);
  border-radius: var(--r-md); padding: var(--s-4) var(--s-5); }
.step::before {
  counter-increment: s; content: counter(s);
  width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--c-blue-500), var(--c-violet-500));
  font-weight: 700; font-size: var(--t-label);
}
.step b { display: block; margin-bottom: 2px; }
.step span { color: var(--c-ink-400); font-size: var(--t-label); }

.dl {
  background: linear-gradient(150deg, rgba(61,126,255,.16), rgba(109,91,255,.10));
  border: 1px solid var(--c-glass-border-strong); border-radius: var(--r-xl); padding: var(--s-8);
  display: flex; gap: var(--s-6); align-items: center; justify-content: space-between; flex-wrap: wrap;
}
.dl .meta { color: var(--c-ink-400); font-size: var(--t-label); margin-top: 6px; }
code { font-family: "SF Mono", ui-monospace, monospace; font-size: .92em;
  background: rgba(255,255,255,.07); padding: 2px 7px; border-radius: 6px; }

.notice {
  border-left: 3px solid var(--c-amber-400); background: rgba(255,176,32,.08);
  padding: var(--s-4) var(--s-5); border-radius: var(--r-sm); color: var(--c-ink-200);
  font-size: var(--t-label);
}

footer { border-top: 1px solid var(--c-glass-border); padding: var(--s-8) 0; color: var(--c-ink-500);
  font-size: var(--t-caption); }
footer .row { display: flex; gap: var(--s-6); justify-content: space-between; flex-wrap: wrap; }

/* ---------- φόρμα ενεργοποίησης ---------- */
.auth { min-height: 100vh; display: grid; place-items: center; padding: var(--s-8) var(--s-4); }
.auth-card {
  width: min(520px, 94vw); background: linear-gradient(165deg, rgba(255,255,255,.09), rgba(255,255,255,.03));
  border: 1px solid var(--c-glass-border-strong); border-radius: var(--r-xl); padding: var(--s-8);
  backdrop-filter: blur(26px); box-shadow: 0 30px 80px rgba(0,0,0,.55);
}
.auth-card h1 { font-size: 30px; background: none; color: var(--c-ink-100); -webkit-text-fill-color: initial; }
.field { margin-top: var(--s-4); }
.field label { display: block; font-size: var(--t-caption); color: var(--c-ink-400);
  margin-bottom: 6px; letter-spacing: .04em; text-transform: uppercase; }
input {
  width: 100%; padding: 13px 16px; border-radius: var(--r-sm); font-size: var(--t-body);
  background: rgba(0,0,0,.32); border: 1px solid var(--c-glass-border); color: var(--c-ink-100);
  outline: none; transition: border-color var(--m-fast), box-shadow var(--m-fast);
}
input:focus { border-color: var(--c-blue-400); box-shadow: 0 0 0 3px rgba(61,126,255,.20); }
.msg { margin-top: var(--s-4); padding: var(--s-3) var(--s-4); border-radius: var(--r-sm);
  font-size: var(--t-label); display: none; }
.msg.err { display: block; background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.35);
  color: #FFB4B4; }
.msg.ok { display: block; background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.35);
  color: #A7F3C4; }
.hint { color: var(--c-ink-500); font-size: var(--t-caption); margin-top: var(--s-3); }