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

:root {
  --teal: #16B8A6;
  --teal-dark: #0E9C8C;
  --cyan: #54E6D0;
  --ink: #15223C;
  --white: #F4F8FF;
  --muted: #8A9BB5;
}

body {
  font-family: 'Sora', sans-serif;
  background-color: #0D1826;
  background-image:
    radial-gradient(circle, rgba(84,230,208,.12) 1px, transparent 1px),
    linear-gradient(180deg, #0D1826 0%, #15223C 50%, #0F2535 100%);
  background-size: 22px 22px, 100% 100%;
  background-attachment: fixed;
  color: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.65;
}

a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--cyan); }

.top-bar { height: 4px; background: linear-gradient(90deg, var(--teal), var(--cyan)); }

.nav-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; max-width: 900px; margin: 0 auto;
}
.wordmark { font-size: 22px; font-weight: 800; color: var(--white); }
.wordmark span { color: var(--teal); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-links { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.nav-links a {
  font-size: 11px; font-weight: 600; color: var(--muted);
  padding: 6px 12px; border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.08);
}
.nav-ghost {
  font-size: 12px; font-weight: 600; color: var(--muted);
  padding: 8px 16px; border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: color 0.15s, border-color 0.15s;
}
.nav-ghost:hover { color: var(--white); border-color: rgba(255,255,255,0.2); }
.lang-switch { display: flex; align-items: center; gap: 2px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); border-radius: 100px; padding: 3px; }
.lang-btn { font-size: 11px; font-weight: 700; color: var(--muted); padding: 4px 10px; border-radius: 100px; text-decoration: none; transition: all 0.15s; }
.lang-btn.active { background: rgba(22,184,166,0.2); color: var(--teal); }
.lang-btn:hover:not(.active) { color: var(--white); }
.nav-cta {
  font-size: 12px; font-weight: 700; color: var(--white);
  padding: 8px 18px; border-radius: 100px;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  box-shadow: 0 4px 16px rgba(22,184,166,0.25);
  transition: box-shadow 0.15s, transform 0.15s;
  white-space: nowrap;
}
.nav-cta:hover { box-shadow: 0 6px 24px rgba(22,184,166,0.4); transform: translateY(-1px); color: var(--white); }

.container { max-width: 780px; margin: 0 auto; padding: 48px 24px 72px; }

.breadcrumb { font-size: 12px; color: var(--muted); margin-bottom: 20px; }
.breadcrumb a { color: var(--muted); }

h1 { font-size: clamp(28px, 5vw, 38px); font-weight: 800; line-height: 1.15; margin-bottom: 16px; }
h2 { font-size: 20px; font-weight: 700; margin: 36px 0 12px; color: var(--white); }
h3 { font-size: 16px; font-weight: 600; margin: 20px 0 8px; }

.lead { font-size: 17px; color: var(--muted); margin-bottom: 24px; }

.answer-box {
  background: rgba(22,184,166,0.08);
  border: 1px solid rgba(22,184,166,0.22);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 28px;
}
.answer-box strong { color: var(--teal); }

.cmp-table {
  width: 100%; border-collapse: collapse; font-size: 13px;
  margin: 16px 0 24px; overflow-x: auto; display: block;
}
.cmp-table thead th {
  text-align: left; padding: 10px 12px;
  background: rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted);
}
.cmp-table td {
  padding: 10px 12px; border-bottom: 1px solid rgba(255,255,255,0.06);
  vertical-align: top;
}
.cmp-table .yes { color: var(--teal); font-weight: 600; }
.cmp-table .no { color: rgba(255,100,80,0.85); }

ul { margin: 12px 0 12px 20px; color: var(--muted); font-size: 15px; }
p { margin-bottom: 14px; color: var(--muted); font-size: 15px; }

.faq-item {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px; padding: 16px 18px; margin-bottom: 10px;
  background: rgba(255,255,255,0.03);
}
.faq-item h3 { margin: 0 0 8px; font-size: 15px; color: var(--white); }
.faq-item p { margin: 0; font-size: 14px; }

.btn-primary {
  display: inline-block; margin-top: 24px;
  background: linear-gradient(135deg, var(--teal), var(--cyan));
  color: var(--ink); font-weight: 700; font-size: 14px;
  padding: 14px 28px; border-radius: 100px;
}

.footer {
  text-align: center; padding: 40px 24px 48px;
  font-size: 12px; color: var(--muted); line-height: 1.9;
  border-top: 1px solid rgba(255,255,255,0.06);
  max-width: 900px; margin: 0 auto;
}
.footer a { color: var(--teal); }

/* ── Calculator tool ── */
.calc-panel {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 28px;
}
.calc-field { margin-bottom: 20px; }
.calc-field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 8px;
}
.calc-field input[type="number"],
.calc-field select {
  width: 100%;
  font-family: 'Sora', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 12px 14px;
}
.calc-field input[type="range"] {
  width: 100%;
  margin-top: 8px;
  accent-color: var(--teal);
}
.calc-price-display {
  font-size: 32px;
  font-weight: 800;
  color: var(--cyan);
  margin-top: 4px;
}
.calc-results { display: grid; gap: 10px; margin: 20px 0; }
.calc-result {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 16px;
  align-items: center;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
}
.calc-result.best {
  border-color: rgba(22,184,166,0.45);
  background: rgba(22,184,166,0.1);
}
.calc-result .platform { font-size: 14px; font-weight: 700; color: var(--white); }
.calc-result .fee-note { font-size: 11px; color: var(--muted); grid-column: 1; }
.calc-result .net {
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
  text-align: right;
}
.calc-result.best .net { color: var(--cyan); }
.calc-result .diff {
  font-size: 11px;
  color: var(--muted);
  text-align: right;
  grid-column: 2;
}
.calc-bar-wrap {
  grid-column: 1 / -1;
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 100px;
  overflow: hidden;
}
.calc-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--cyan));
  border-radius: 100px;
  transition: width 0.25s ease;
}
.calc-disclaimer {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
  margin-top: 8px;
}

@media (max-width: 600px) {
  .cmp-table { font-size: 12px; }
  .nav-links { display: none; }
  .nav-ghost { display: none; }
  .calc-result .net { font-size: 17px; }
  .nav-cta { padding: 8px 14px; font-size: 11px; }
}