/* ── RESET & BASE ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: #ffffff;
  color: #0F172A;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ── DESIGN TOKENS ────────────────────────────── */
:root {
  --blue:      #1D3F73;
  --blue-dk:   #0F2448;
  --blue-lt:   #EBF0FA;
  --orange:    #F97316;
  --orange-dk: #EA580C;
  --green:     #059669;
  --slate:     #0F172A;
  --slate-7:   #334155;
  --slate-5:   #64748B;
  --slate-3:   #CBD5E1;
  --slate-1:   #F1F5F9;
  --white:     #FFFFFF;
  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --shadow:    0 4px 24px rgba(15,36,72,.07);
  --shadow-lg: 0 12px 48px rgba(15,36,72,.12);

  /* legacy compat */
  --color-primary: #1D3F73;
  --accent-blue:   #F97316;
  --bg-deep:       #F1F5F9;
  --bg-surface:    #FFFFFF;
  --bg-surface-hover: #EBF0FA;
  --border-glass:  #CBD5E1;
  --border-glass-hover: #1D3F73;
  --text-primary:  #0F172A;
  --text-secondary:#334155;
  --text-muted:    #64748B;
  --shadow-main:   0 4px 24px rgba(15,36,72,.07);
  --shadow-glow:   0 0 20px rgba(29,63,115,.15);
  --shadow-glow-strong: 0 0 32px rgba(29,63,115,.25);
  --warn-bg:       rgba(239,68,68,.05);
  --warn-line:     rgba(239,68,68,.25);
  --ok:            #059669;
  --container-wide: 1140px;
  --container-article: 760px;
}

/* ── UTILITIES ────────────────────────────────── */
.container {
  width: min(100% - 2rem, var(--container-wide));
  margin-inline: auto;
}
.article-main {
  width: min(100% - 2rem, var(--container-article));
  margin-inline: auto;
  padding-bottom: 4rem;
}

/* ── TOP BAR ──────────────────────────────────── */
.topbar {
  background: var(--blue-dk);
  color: rgba(255,255,255,.8);
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 16px;
  letter-spacing: .02em;
}

/* ── HEADER ───────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 20;
  border-bottom: 1px solid var(--slate-3);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.nav-row {
  display: flex; align-items: center;
  justify-content: space-between;
  gap: 1rem; padding: .9rem 0;
}
.brand {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 1.375rem; font-weight: 700;
  letter-spacing: -.03em; color: var(--blue);
  display: inline-block; position: relative;
  padding-right: 14px;
}
.brand::after {
  content: "•"; font-size: 1.5rem;
  position: absolute; top: -2px; right: 0;
  color: var(--orange); line-height: 1;
}
.nav-links {
  display: none; gap: 1.5rem;
  font-weight: 600; font-size: .92rem;
  color: var(--slate-7);
}
.nav-links a:hover { color: var(--blue); }
@media(min-width:780px) { .nav-links { display: flex; } }

/* ── BUTTONS ──────────────────────────────────── */
.button {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: .7rem 1.4rem;
  font-weight: 700; font-size: .9rem;
  letter-spacing: .02em;
  display: inline-flex; align-items: center;
  justify-content: center; cursor: pointer;
  transition: all .22s ease; font-family: inherit;
}
.button:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.button-primary {
  background: var(--orange); color: #fff;
  box-shadow: 0 4px 16px rgba(249,115,22,.3);
}
.button-primary:hover {
  background: var(--orange-dk);
  box-shadow: 0 8px 24px rgba(249,115,22,.4);
}
.button-outline {
  border: 1.5px solid var(--slate-3); color: var(--slate); background: #fff;
}
.button-outline:hover { background: var(--slate-1); border-color: var(--blue); }

/* ── CONTENT LAYOUT ───────────────────────────── */
.section { padding: 3.5rem 0; }
.page-title { padding: 3rem 0 1.5rem; }

/* ── TYPOGRAPHY ───────────────────────────────── */
h1, h2, h3 {
  font-family: 'DM Sans', sans-serif;
  color: var(--slate); line-height: 1.2;
  letter-spacing: -.02em; font-weight: 800;
}
.title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 1rem 0; line-height: 1.15;
}
.lead {
  font-size: 1.15rem; color: var(--slate-5);
  margin: 1.2rem 0; font-weight: 500;
  border-left: 4px solid var(--orange);
  padding-left: 1rem;
}
.meta-line {
  color: var(--text-secondary); font-size: .8rem;
  font-weight: 600; text-transform: uppercase;
  letter-spacing: .05em; border-bottom: 1px solid var(--slate-3);
  padding-bottom: 1rem; margin-bottom: 1.5rem;
}
.crumbs { margin-top: 1.5rem; color: var(--slate-5); font-size: .84rem; }
.tag {
  margin-top: 1rem; display: inline-block;
  background: rgba(249,115,22,.1); color: var(--orange-dk);
  border: 1px solid rgba(249,115,22,.25);
  border-radius: 999px; padding: .25rem .9rem;
  font-size: .72rem; font-weight: 800;
  letter-spacing: .06em; text-transform: uppercase;
}

/* ── CARDS & SURFACES ─────────────────────────── */
.media { margin: 1.5rem 0; padding: 0; background: transparent; border: 0; box-shadow: none; }
.media-gif, .media video {
  width: 100%; border-radius: var(--radius-lg);
  object-fit: cover; display: block;
  border: 1px solid var(--slate-3);
  box-shadow: var(--shadow);
  aspect-ratio: 4/3;
}

.card, .pillar, .quote, .compare,
.faq-item, .info-card, .form-card,
.summary-card, .price-card, .badge {
  background: var(--white);
  border: 1px solid var(--slate-3);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: all .25s ease;
}
.card, .pillar, .quote, .compare,
.faq-item, .info-card, .form-card,
.summary-card, .price-card { padding: 1.5rem; }

.card:hover, .pillar:hover, .compare:hover,
.info-card:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.pillar strong {
  color: var(--slate); font-size: 1.1rem;
  display: block; margin-bottom: .5rem;
}
.pillars { display: grid; gap: 1rem; }

/* ── PRICE CARD ───────────────────────────────── */
.price-card {
  border: 2px solid var(--orange);
  background: linear-gradient(160deg, #fff7ed 0%, #ffffff 100%);
  position: relative;
}
.price-card::before {
  content: "Συνιστάται";
  position: absolute; top: -12px; right: 20px;
  background: var(--orange); color: #fff;
  font-size: .65rem; font-weight: 800;
  letter-spacing: .08em; text-transform: uppercase;
  padding: .25rem .75rem; border-radius: 999px;
}
.price {
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(2rem, 5vw, 2.8rem);
  color: var(--orange); margin: .5rem 0;
  font-weight: 800; letter-spacing: -.04em;
  display: inline-block;
}

/* ── LISTS ────────────────────────────────────── */
ul.clean { list-style: none; padding: 0; margin: 1rem 0; }
ul.clean li {
  padding-left: 1.5rem; position: relative;
  margin-bottom: .6rem; color: var(--slate-7);
  font-size: 1rem;
}
ul.clean li::before {
  content: "✓"; position: absolute; left: 0;
  color: var(--orange); font-weight: 800;
}

/* ── TRUST STRIP ──────────────────────────────── */
.trust-strip {
  margin: 1.5rem 0 2rem;
  display: grid; gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
}
.badge {
  text-align: center; padding: 1rem;
  font-weight: 700; color: var(--slate);
  border: 1px solid var(--slate-3);
}
.badge:hover { border-color: var(--orange); transform: translateY(-2px); }
@media(min-width:780px) { .trust-strip { grid-template-columns: repeat(4, 1fr); } }

/* ── GRIDS ────────────────────────────────────── */
.grid-2, .grid-3, .faq-list { display: grid; gap: 1rem; }
@media(min-width:780px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1.5fr 1fr; }
}

/* ── FORMS ────────────────────────────────────── */
form { display: grid; gap: 1.2rem; }
label {
  display: grid; gap: .45rem;
  font-weight: 600; color: var(--slate); font-size: .9rem;
}
input, select, textarea {
  width: 100%; border: 1.5px solid var(--slate-3);
  border-radius: var(--radius); padding: .8rem 1rem;
  font-size: .95rem; color: var(--slate);
  background: #fff; transition: all .2s ease; font-family: inherit;
}
input:hover, select:hover, textarea:hover { border-color: var(--blue); }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(249,115,22,.12);
}
input::placeholder { color: var(--slate-5); }
input.invalid, select.invalid, textarea.invalid {
  border-color: #ef4444; background: rgba(239,68,68,.04);
}
.field-error {
  min-height: 1rem; font-size: .78rem;
  color: #dc2626; font-weight: 600; margin-top: .2rem;
}

/* ── PAYMENT ──────────────────────────────────── */
.payment-methods { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.method-option {
  display: flex; align-items: center; gap: .6rem;
  padding: .8rem 1rem; border: 1.5px solid var(--slate-3);
  border-radius: var(--radius); background: #fff; cursor: pointer;
  font-weight: 600; transition: all .2s ease; color: var(--slate-7);
}
.method-option:hover { border-color: var(--orange); }
.method-option input { width: auto; margin: 0; accent-color: var(--orange); }
.method-option.active { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(249,115,22,.12); }
.payment-block {
  margin-top: .2rem; display: grid; gap: 1rem;
  padding: 1.2rem; background: #f8fafc;
  border-radius: var(--radius-lg); border: 1.5px solid var(--slate-3);
}
.hidden { display: none !important; }
.checkout-feedback {
  margin-top: .5rem; padding: .85rem 1.1rem;
  border-radius: var(--radius); border: 1px solid transparent;
  font-size: .92rem; font-weight: 500; display: none;
}
.checkout-feedback.error { display: block; background: rgba(239,68,68,.08); border-color: rgba(239,68,68,.25); color: #dc2626; }
.checkout-feedback.success { display: block; background: rgba(5,150,105,.08); border-color: rgba(5,150,105,.25); color: #059669; }

/* ── CALLOUT / WARN ───────────────────────────── */
.callout {
  background: var(--blue-lt); border: 1px solid rgba(29,63,115,.15);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius-lg); padding: 1rem 1.25rem;
  margin: 1.5rem 0; color: var(--slate-7);
}
.warn {
  background: var(--warn-bg); border: 1px solid var(--warn-line);
  border-left: 4px solid #ef4444; border-radius: var(--radius-lg);
  padding: 1rem 1.25rem; margin: 1.5rem 0; color: #dc2626; font-weight: 600;
}
.disclaimer { font-size: .88rem; color: var(--slate-5); line-height: 1.6; }
.muted { color: var(--slate-5); }
.stars { color: #f59e0b; letter-spacing: 2px; margin: .4rem 0 .5rem; }

/* ── COMPARE ──────────────────────────────────── */
.compare { border: 1px solid rgba(29,63,115,.15); background: var(--blue-lt); }
.compare:hover { border-color: var(--blue); }

/* ── ARTICLE HEADINGS ─────────────────────────── */
.article-main p, .article-main li {
  font-size: 1.02rem; color: var(--slate-7); margin-bottom: 1.1rem;
}
.article-main h2 {
  margin: 2.5rem 0 1rem;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  border-bottom: 1px solid var(--slate-3); padding-bottom: .5rem;
  position: relative;
}
.article-main h2::after {
  content: ""; position: absolute; left: 0; bottom: -1px;
  width: 48px; height: 3px;
  background: var(--orange); border-radius: 99px;
}
.article-main h3 { margin: 1.8rem 0 .8rem; font-size: 1.2rem; }

/* ── FOOTER ───────────────────────────────────── */
.site-footer {
  background: var(--slate); color: var(--slate-5);
  padding: 3.5rem 0 2rem;
  border-top: 3px solid var(--orange);
}
.footer-grid { display: grid; gap: 2rem; }
@media(min-width:780px) { .footer-grid { grid-template-columns: 1.5fr 1fr; } }
.footer-links { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; }
.footer-links a { color: var(--slate-5); font-weight: 500; font-size: .9rem; }
.footer-links a:hover { color: var(--white); }
.footer-note { font-size: .88rem; color: var(--slate-5); max-width: 56ch; line-height: 1.6; }

/* ── STARS ────────────────────────────────────── */
.nav-note { display: none; font-size: .7rem; font-weight: 700; color: var(--slate-5); text-transform: uppercase; letter-spacing: .1em; }
@media(min-width:780px) { .nav-note { display: block; } }