:root {
  /* Programa palette — monochrome + EU-blue signal */
  --ink: #1a1a1a;
  --paper: #ffffff;
  --fog: #f4f4f4;
  --ash: #a3a3a3;
  --blue: #003399;

  --border: #1a1a1a;       /* hairline ink border */
  --hairline: #e6e6e6;     /* faint divider where full ink is too heavy */

  --radius-sm: 10px;       /* nav, inputs, buttons, chips */
  --radius-lg: 16px;       /* cards, banners, hero art */
  --maxw: 1120px;

  --tracking: -0.03em;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "Neue Haas Grotesk Text", ui-sans-serif, system-ui,
    -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: var(--tracking);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { font-weight: 500; letter-spacing: var(--tracking); color: var(--ink); }
h1 { font-size: clamp(2rem, 5vw, 2.625rem); line-height: 1.1; margin: 0 0 0.4em; }
h2 { font-size: clamp(1.4rem, 3.2vw, 1.75rem); line-height: 1.2; margin: 0 0 0.7em; }
h3 { font-size: 1.25rem; line-height: 1.2; margin: 0 0 0.35em; }
p { margin: 0 0 1em; }
a { color: var(--ink); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
.muted { color: var(--ash); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 760px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* Header — flat white, no heavy border */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--hairline);
}
.site-header .row { padding: 14px 24px; }
.logo {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 500; font-size: 1.1rem; color: var(--ink);
}
.logo:hover { text-decoration: none; }
.logo img { border-radius: 6px; }

/* Language switcher — wrapping chips, no overlap on mobile */
.langs {
  display: flex; flex-wrap: wrap; gap: 8px;
  align-items: center;
}
.langs a {
  display: inline-flex; align-items: center;
  padding: 5px 11px;
  font-size: 0.85rem; line-height: 1.1;
  color: var(--ink);
  background: var(--fog);
  border: 1px solid transparent;
  border-radius: 999px;
  white-space: nowrap;
}
.langs a:hover { text-decoration: none; border-color: var(--ink); }
.langs a[aria-current="true"] {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--paper);
  font-weight: 500;
}

/* Hero */
.hero { padding: 64px 0 40px; background: var(--paper); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.lead { font-size: 1.15rem; color: var(--ink); margin-bottom: 1.3em; }
.hero-art img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  background: var(--fog);
}
.trust {
  list-style: none; padding: 0; margin: 20px 0 0;
  display: flex; flex-wrap: wrap; gap: 8px 20px;
  color: var(--ink); font-weight: 500; font-size: 0.92rem;
}
.trust li { display: inline-flex; align-items: center; }

/* App CTA callout (top of guides) */
.app-callout {
  background: linear-gradient(180deg, #eef3fe, #ffffff);
  border: 1px solid var(--border);
  border-left: 4px solid var(--blue);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 22px 0 10px;
}
.app-callout p {
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 14px;
  font-size: 1.06rem;
}
.app-callout .badges { margin: 0; }
[dir="rtl"] .app-callout { border-left: 1px solid var(--border); border-right: 4px solid var(--blue); }

/* Store badges */
.badges { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.badge { display: inline-flex; }
.badge img { height: 54px; width: auto; border-radius: var(--radius-sm); }
.badge.soon { position: relative; opacity: 0.9; }
.badge.soon em {
  position: absolute; top: -8px; inset-inline-end: -6px;
  background: var(--blue); color: var(--paper);
  font-style: normal; font-size: 0.62rem; font-weight: 500;
  padding: 2px 8px; border-radius: 999px; border: 1px solid var(--blue);
}

/* Sections */
.section { padding: 72px 0; }
.section.alt { background: var(--fog); }
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card {
  background: var(--fog); border: none; border-radius: var(--radius-lg);
  padding: 24px;
}
.section.alt .card { background: var(--paper); }
.card h3 { color: var(--ink); }
.card p { margin: 0; color: var(--ink); }

.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; gap: 20px; }
.steps li { display: flex; gap: 16px; align-items: flex-start; }
.step {
  flex: none; width: 38px; height: 38px; border-radius: 50%;
  background: var(--blue); color: var(--paper); border: 1px solid var(--blue);
  font-weight: 500; display: grid; place-items: center;
}
.steps p { margin: 0; color: var(--ink); }

.rule { font-size: 1.05rem; }
.refs { padding-inline-start: 1.1em; margin: 0; }
.refs li { margin: 0.35em 0; }
.refs a { text-decoration: underline; text-underline-offset: 2px; }

/* FAQ */
.faq details {
  border: 1px solid var(--ink); border-radius: var(--radius-sm);
  background: var(--paper); margin-bottom: 10px;
}
.section.alt .faq details { background: var(--paper); }
.faq summary {
  cursor: pointer; padding: 16px 18px; font-weight: 500;
  list-style: none; display: flex; justify-content: space-between;
  align-items: center; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--blue); font-weight: 500; flex: none; }
.faq details[open] summary::after { content: "–"; }
.faq .answer { padding: 0 18px 16px; }
.faq .answer p { margin: 0; color: var(--ink); }

/* CTA */
.cta { padding: 80px 0; text-align: center; background: var(--fog); }
.cta .badges { justify-content: center; margin-top: 20px; }

/* Footer */
footer { border-top: 1px solid var(--hairline); padding: 48px 0 32px; background: var(--paper); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.foot-grid h3 {
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--ash); font-weight: 500;
}
.foot-links { display: flex; flex-direction: column; gap: 8px; font-size: 0.9rem; }
.foot-links a { color: var(--ink); }
.foot-legal { margin-top: 14px; }
.copyright { margin-top: 32px; color: var(--ash); font-size: 0.82rem; }

/* Legal + lang index */
.legal h2 { font-size: 1.3rem; margin-top: 1.4em; }
.lang-index {
  list-style: none; padding: 0; display: flex; flex-wrap: wrap;
  gap: 10px; font-size: 1rem;
}
.lang-index a {
  display: inline-flex; padding: 8px 14px; background: var(--fog);
  border-radius: 999px; border: 1px solid transparent;
}
.lang-index a:hover { text-decoration: none; border-color: var(--ink); }

/* RTL tweaks */
[dir="rtl"] .trust, [dir="rtl"] .langs, [dir="rtl"] .badges { direction: rtl; }

/* Responsive */
@media (max-width: 820px) {
  .hero { padding: 40px 0 28px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-art { order: -1; }
  .cards { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 28px; }
  .section { padding: 56px 0; }
}

@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .site-header .row { padding: 12px 18px; gap: 10px; }
  /* Language chips: full row, comfortable tap targets, never overlap */
  .langs { width: 100%; gap: 8px; }
  .langs a { font-size: 0.82rem; padding: 6px 12px; }
  .lead { font-size: 1.05rem; }
  .badge img { height: 48px; }
}