/* Aqueto — minimal stylesheet, no external deps, no tracking. */

:root {
  --teal-900: #062029;
  --teal-700: #0A4D5A;
  --teal-500: #0E7C8B;
  --teal-300: #329EAB;
  --teal-100: #B6E4EB;
  --aqua-light: #8FECF7;
  --aqua-mid: #3BC5D8;
  --flame-light: #FFD98A;
  --flame-mid: #FBA24A;
  --flame-deep: #E5651E;
  --ink: #0E1418;
  --ink-soft: #2A363C;
  --ink-muted: #5A6770;
  --paper: #FCFCFA;
  --paper-warm: #F5F2EC;
  --paper-tint: #EAF5F7;
  --rule: #D8DEE2;
  --warn-bg: #FFF4E0;
  --warn-border: #E5A14A;
  --warn-ink: #6B3A0A;
  --max: 1080px;
  --pad: clamp(20px, 4vw, 48px);
  --radius: 14px;
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { max-width: 100%; height: auto; display: block; }

a {
  color: var(--teal-500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .15s, border-color .15s;
}
a:hover { color: var(--teal-700); border-bottom-color: currentColor; }

h1, h2, h3, h4 {
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; margin-top: 2em; }
h3 { font-size: 1.25rem; font-weight: 600; margin-top: 1.5em; }
h4 { font-size: 1.05rem; font-weight: 600; margin-top: 1.25em; }

p { margin: 0 0 1em; }
ul, ol { padding-left: 1.4em; margin: 0 0 1em; }
li { margin-bottom: 0.4em; }

hr {
  border: 0;
  height: 1px;
  background: var(--rule);
  margin: 2.5em 0;
}

/* === Layout === */
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

main { padding: 48px 0 80px; }

/* === Header === */
.site-header {
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  background-color: rgba(252, 252, 250, 0.85);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 600;
  font-size: 1.05rem;
  border: 0;
}
.brand:hover { color: var(--teal-500); }
.brand img { width: 32px; height: 32px; border-radius: 7px; }

.lang-switch {
  display: flex;
  gap: 4px;
  align-items: center;
  font-size: 13px;
}
.lang-switch a {
  padding: 5px 9px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--ink-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.lang-switch a:hover { background: var(--paper-tint); border-color: var(--rule); }
.lang-switch a.active { background: var(--teal-500); color: white; }
.lang-switch a.active:hover { background: var(--teal-700); border-color: transparent; }

/* === Hero === */
.hero {
  background:
    radial-gradient(1100px 500px at 20% 0%, rgba(143, 236, 247, 0.18), transparent 60%),
    radial-gradient(900px 500px at 90% 30%, rgba(255, 217, 138, 0.14), transparent 60%),
    linear-gradient(180deg, #FCFCFA 0%, #F1F8F9 100%);
  padding: 96px 0 88px;
  border-bottom: 1px solid var(--rule);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.6rem);
  margin-bottom: 0.4em;
}
.hero .lede {
  font-size: 1.2rem;
  color: var(--ink-soft);
  margin-bottom: 1.6em;
  max-width: 38ch;
}
.hero .icon-display {
  display: flex;
  justify-content: center;
}
.hero .icon-display img {
  width: min(320px, 100%);
  border-radius: 22%;
  box-shadow: 0 20px 60px -15px rgba(14, 124, 139, 0.45);
}

@media (max-width: 800px) {
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero .icon-display { order: -1; }
  .hero .icon-display img { width: 180px; }
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  text-decoration: none;
  transition: transform .12s, box-shadow .15s, background .15s;
  cursor: pointer;
}
.btn-primary {
  background: var(--ink);
  color: white;
}
.btn-primary:hover {
  background: black;
  border-color: var(--ink);
  transform: translateY(-1px);
  box-shadow: 0 8px 22px -8px rgba(0,0,0,0.35);
}
.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  border-color: var(--rule);
}
.btn-ghost:hover { background: var(--paper-tint); border-color: var(--ink-muted); color: var(--ink); }

.btn-row {
  display: flex; flex-wrap: wrap; gap: 12px;
}

/* === Sections === */
section.block { padding: 72px 0; }
section.block + section.block { border-top: 1px solid var(--rule); }
section.block.tinted { background: var(--paper-tint); border-color: var(--teal-100); }

.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 { margin-top: 0; }
.section-title p { max-width: 60ch; margin: 0 auto; color: var(--ink-soft); font-size: 1.05rem; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.feature-card {
  background: white;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 28px;
}
.feature-card .ico {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--paper-tint);
  color: var(--teal-500);
  font-size: 22px;
  margin-bottom: 14px;
}
.feature-card h3 { margin: 0 0 6px; font-size: 1.1rem; }
.feature-card p { margin: 0; color: var(--ink-soft); font-size: 0.97rem; }

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}
.step h3 {
  display: flex; align-items: baseline; gap: 12px;
  margin-top: 0;
}
.step h3 .num {
  display: inline-flex;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--teal-500);
  color: white;
  align-items: center; justify-content: center;
  font-size: 0.95rem; font-weight: 600;
}
.step p { color: var(--ink-soft); margin: 0; }

/* === Disclaimer card on landing === */
.disclaimer {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: var(--radius);
  padding: 28px 32px;
  color: var(--warn-ink);
}
.disclaimer h3 { margin-top: 0; color: var(--warn-ink); }
.disclaimer p:last-child { margin-bottom: 0; }
.disclaimer a { color: var(--warn-ink); border-bottom: 1px solid currentColor; }

/* === Legal pages === */
.legal-content {
  max-width: 760px;
  margin: 0 auto;
}
.legal-content h1 { font-size: 2.1rem; }
.legal-content .meta {
  color: var(--ink-muted);
  font-size: 0.9rem;
  margin-bottom: 2em;
}
.legal-content h2 {
  margin-top: 2.2em;
  padding-top: 0.8em;
  border-top: 1px solid var(--rule);
  font-size: 1.4rem;
}
.legal-content h3 { font-size: 1.1rem; }

.callout {
  background: var(--paper-tint);
  border-left: 4px solid var(--teal-500);
  padding: 16px 20px;
  border-radius: 6px;
  margin: 1.5em 0;
}
.callout.warn {
  background: var(--warn-bg);
  border-left-color: var(--warn-border);
  color: var(--warn-ink);
}
.callout p:last-child { margin-bottom: 0; }
.callout strong { color: inherit; }

table.contacts { width: 100%; border-collapse: collapse; margin: 1em 0; }
table.contacts th, table.contacts td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--rule); font-size: 0.95rem; }
table.contacts th { font-weight: 600; background: var(--paper-warm); }

/* === Footer === */
.site-footer {
  background: var(--teal-900);
  color: rgba(255,255,255,0.78);
  padding: 56px 0 32px;
  font-size: 0.95rem;
}
.site-footer a { color: rgba(255,255,255,0.85); border-color: rgba(255,255,255,0.25); }
.site-footer a:hover { color: white; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.footer-grid h4 { color: white; font-size: 0.95rem; margin: 0 0 12px; letter-spacing: 0.02em; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-meta {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}
.footer-meta .lang-switch a { color: rgba(255,255,255,0.7); }
.footer-meta .lang-switch a.active { background: var(--teal-300); color: var(--teal-900); }
.footer-meta .lang-switch a:hover { background: rgba(255,255,255,0.1); color: white; }

@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}

/* === Language toggling === */
[data-lang] { display: none; }
html[lang="en"] [data-lang="en"],
html[lang="de"] [data-lang="de"],
html[lang="fr"] [data-lang="fr"],
html[lang="es"] [data-lang="es"] { display: block; }
html[lang="en"] li[data-lang="en"],
html[lang="de"] li[data-lang="de"],
html[lang="fr"] li[data-lang="fr"],
html[lang="es"] li[data-lang="es"] { display: list-item; }
html[lang="en"] span[data-lang="en"],
html[lang="de"] span[data-lang="de"],
html[lang="fr"] span[data-lang="fr"],
html[lang="es"] span[data-lang="es"] { display: inline; }

/* === Misc === */
.muted { color: var(--ink-muted); }
.small { font-size: 0.88rem; }
.center { text-align: center; }