/* Schriften lokal (keine Verbindung zu Google) */
@font-face { font-family: "Archivo"; font-style: normal; font-weight: 800; font-display: swap; src: url("../fonts/archivo-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/inter-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/inter-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/inter-latin-600-normal.woff2") format("woff2"); }

/* W-Air – Stylesheet */
:root {
  --navy: #0B2545;
  --blue: #1E88E5;
  --link: #1565C0;
  --text2: #3D5068;
  --line: #E1E8F0;
  --soft: #F5F8FC;
  --tint: #E8F2FC;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: #fff; color: var(--navy);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px; line-height: 1.55;
}
a { color: var(--link); }
a:hover { color: var(--navy); }
h1, h2, h3, .display { font-family: Archivo, Inter, sans-serif; font-weight: 800; }
.wrap { max-width: 1160px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.soft { background: var(--soft); }
.muted { color: var(--text2); }
.kicker { margin: 0 0 14px; font-size: 14px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--link); }

/* Header */
.site-header { border-bottom: 1px solid #E6ECF3; background: #fff; }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding-top: 18px; padding-bottom: 18px; }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 26px; font-weight: 500; font-size: 16px; }
.nav a { color: var(--navy); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--link); }
.nav a.btn, .nav a.btn:hover { color: #fff; }

/* Logo */
.logo { display: inline-flex; align-items: center; gap: 7px; text-decoration: none; color: var(--navy); }
.logo svg { width: 36px; height: 28px; }
.logo .dash { display: block; width: 13px; height: 6px; margin-top: 4px; background: var(--blue); transform: skewX(-15deg); }
.logo .word { font-family: Archivo, sans-serif; font-weight: 800; font-size: 32px; line-height: 1; letter-spacing: -0.5px; }
.idot { position: relative; display: inline-block; }
.idot::after { content: ""; position: absolute; left: 50%; top: 0.05em; width: 0.17em; height: 0.17em; margin-left: -0.085em; border-radius: 50%; background: var(--blue); }

/* Buttons */
.btn { display: inline-block; padding: 15px 26px; border-radius: 12px; font-weight: 600; text-decoration: none; border: 1px solid var(--navy); background: var(--navy); color: #fff; font: inherit; font-weight: 600; cursor: pointer; }
.btn:hover { background: #163a66; color: #fff; }
.btn.ghost { background: #fff; color: var(--navy); border-color: #C9D5E3; }
.btn.ghost:hover { border-color: var(--navy); }
.btn.small { padding: 11px 18px; }

/* Hero */
.hero { display: flex; flex-wrap: wrap; align-items: center; gap: 48px; padding-top: 80px; padding-bottom: 90px; }
.hero-text { flex: 1 1 500px; min-width: 0; }
.hero h1 { margin: 0 0 22px; font-size: clamp(40px, 6vw, 64px); line-height: 1.03; letter-spacing: -1.5px; }
.hero .lead { margin: 0 0 34px; max-width: 540px; font-size: 20px; color: var(--text2); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }
.checks { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 32px; font-size: 15px; color: var(--text2); }
.checks span { display: inline-flex; align-items: center; gap: 8px; }
.hero-mark { flex: 1 1 360px; display: flex; justify-content: center; }
.hero-mark .tile { width: 400px; max-width: 100%; aspect-ratio: 1 / 1; border-radius: 32px; background: var(--soft); display: flex; align-items: center; justify-content: center; }
.hero-mark svg { width: 75%; height: auto; }

/* Sections */
section.block { padding-top: 88px; padding-bottom: 88px; }
.block h2 { margin: 0 0 12px; font-size: clamp(30px, 4vw, 40px); letter-spacing: -0.8px; line-height: 1.1; }
.head-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 38px; }
.head-row p { margin: 0; max-width: 580px; }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.card { display: flex; flex-direction: column; gap: 10px; padding: 26px; background: #fff; border: 1px solid var(--line); border-radius: 18px; text-decoration: none; color: var(--navy); }
a.card:hover { border-color: #9DB8D6; }
.card .ic { width: 44px; height: 44px; border-radius: 12px; background: var(--tint); display: flex; align-items: center; justify-content: center; }
.card .ic svg { width: 24px; height: 24px; }
.card .t { font-family: Archivo, sans-serif; font-weight: 800; font-size: 21px; }
.card .d { font-size: 15px; color: var(--text2); }
.panel { padding: 36px; border: 1px solid var(--line); border-radius: 22px; }
.panel h3 { margin: 0 0 18px; font-size: 28px; line-height: 1.15; }
.panel ul { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 10px; color: var(--text2); }
.badge { display: inline-block; padding: 5px 12px; border-radius: 999px; background: var(--navy); color: #fff; font-size: 13px; font-weight: 600; vertical-align: middle; }
.product { padding: 0; overflow: hidden; }
.product .pic { height: 150px; background: var(--tint); display: flex; align-items: center; justify-content: center; }
.product .pic svg { width: 56px; height: 56px; }
.product .body { padding: 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product .soon { font-weight: 600; margin-top: 8px; }
.notify { margin-top: 34px; padding: 28px; background: #fff; border: 1px solid var(--line); border-radius: 20px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.notify p { margin: 0; font-weight: 600; }

/* Footer */
.site-footer { border-top: 1px solid #E6ECF3; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; padding-top: 40px; padding-bottom: 56px; font-size: 15px; color: var(--text2); }
.site-footer .links { display: flex; flex-wrap: wrap; gap: 24px; }
.site-footer .note { flex-basis: 100%; margin: 8px 0 0; font-size: 13px; }

/* Rechner */
.calc-layout { display: flex; flex-wrap: wrap; gap: 28px; align-items: flex-start; }
.tool-list { flex: 1 1 240px; display: flex; flex-wrap: wrap; gap: 8px; }
.tool-btn { flex: 1 1 200px; min-height: 52px; text-align: left; padding: 0 18px; border-radius: 14px; font: inherit; font-size: 16px; font-weight: 600; cursor: pointer; background: #fff; color: var(--navy); border: 1px solid #D5DEE9; }
.tool-btn[aria-pressed="true"] { background: var(--navy); color: #fff; border-color: var(--navy); }
.calc-main { flex: 999 1 600px; min-width: 0; display: flex; flex-direction: column; gap: 24px; }
.calc-card { border: 1px solid var(--line); border-radius: 22px; padding: 28px; display: flex; flex-direction: column; gap: 26px; }
.calc-card h2 { margin: 0; font-size: 28px; }
.seg-row { display: flex; flex-wrap: wrap; gap: 24px; }
.seg-group { display: flex; flex-direction: column; gap: 8px; }
.seg-group > span { font-size: 14px; font-weight: 600; color: var(--text2); }
.seg { display: flex; flex-wrap: wrap; gap: 6px; padding: 4px; background: #F0F4F9; border-radius: 12px; }
.seg button { min-height: 44px; padding: 0 16px; border: 0; border-radius: 9px; background: transparent; color: var(--navy); font: inherit; font-size: 15px; font-weight: 600; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--navy); color: #fff; }
.calc-body { display: flex; flex-wrap: wrap; gap: 28px; align-items: flex-start; }
.inputs { flex: 1 1 280px; min-width: 0; display: flex; flex-direction: column; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-weight: 600; font-size: 15px; }
.in-box { display: flex; align-items: center; border: 1px solid #C9D5E3; border-radius: 12px; overflow: hidden; }
.in-box input { flex: 1; min-width: 0; height: 52px; padding: 0 16px; border: 0; font: inherit; font-size: 19px; font-weight: 600; color: var(--navy); background: #fff; }
.in-box input:focus { outline: 3px solid #90C2F0; outline-offset: -3px; }
.in-box .unit { padding: 0 16px; height: 52px; display: flex; align-items: center; background: var(--soft); color: var(--text2); font-size: 15px; border-left: 1px solid var(--line); white-space: nowrap; }
.field input[type="range"] { width: 100%; accent-color: var(--navy); height: 28px; }
.results { flex: 1 1 300px; min-width: 0; display: flex; flex-direction: column; gap: 10px; padding: 16px; background: var(--soft); border-radius: 18px; }
.results > .lbl { font-size: 14px; font-weight: 600; color: var(--text2); padding: 0 6px; }
.res { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 12px; padding: 13px 18px; border-radius: 14px; background: #fff; font-size: 16px; }
.res b { white-space: nowrap; }
.res.strong { background: var(--navy); color: #fff; font-size: 18px; padding: 16px 18px; }
.vis { display: flex; align-items: center; justify-content: center; height: 170px; background: #fff; border-radius: 12px; margin-top: 4px; }
.formula { border-radius: 18px; background: var(--soft); padding: 24px 28px; }
.formula h3 { margin: 0 0 10px; font-size: 20px; }
.formula p { margin: 0; white-space: pre-line; font-size: 15px; color: var(--text2); line-height: 1.7; }
.small { font-size: 13px; color: var(--text2); margin: 0; }

/* Textseiten */
.prose { max-width: 760px; padding-top: 56px; padding-bottom: 96px; }
.prose h1 { font-size: 44px; margin: 0 0 24px; }
.prose h2 { font-size: 24px; margin: 36px 0 10px; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }