/* RSD | Rhein Strategic Defence & Industry – Navigation 5 „Kontakt“ – Longpage v1.2_final (13.09.2026)
   Reines CSS, keine externen Ressourcen. Design-Tokens gemäß Homepage-Handoff. */

/* Schriften: IBM Plex Sans, self-hosted (SIL OFL 1.1, siehe assets/fonts/OFL-IBM-Plex-Sans.txt) */
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-700-normal.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-ext-400-normal.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-ext-500-normal.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-ext-600-normal.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/ibm-plex-sans-latin-ext-700-normal.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }

/* Tokens */
:root {
  --navy: #0B1F3A;
  --navy-2: #1F3A5F;
  --graphit: #2F343B;
  --steel: #6B7280;
  --offwhite: #F4F5F7;
  --line: #D5D9E0;
  --white: #FFFFFF;
  --content: 1120px;
  --gutter: clamp(20px, 4vw, 48px);
}

html { scroll-behavior: auto; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

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

body {
  margin: 0;
  background: var(--white);
  color: var(--graphit);
  font-family: "IBM Plex Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 28px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap { max-width: var(--content); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }

/* Skip-Link */
.skip-link { position: absolute; left: -999px; top: 0; z-index: 100; background: var(--navy); color: var(--white); padding: 12px 16px; font-weight: 600; text-decoration: none; }
.skip-link:focus { left: 16px; top: 16px; outline: 2px solid var(--navy-2); outline-offset: 2px; }

/* Header und Navigation */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px 40px; flex-wrap: wrap; min-height: 76px; }
.brand { display: inline-block; padding: 18px 0; line-height: 0; }
.brand img { height: 36px; width: auto; display: block; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0 28px; }
.site-nav a { display: inline-block; padding: 26px 0 24px; color: var(--navy); font-size: 15px; line-height: 24px; font-weight: 500; text-decoration: none; border-bottom: 2px solid transparent; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--navy-2); }
.site-nav a[aria-current="page"] { font-weight: 600; border-bottom-color: var(--navy); }

/* Typografie */
h1, h2, h3 { color: var(--navy); font-weight: 600; margin: 0; }
h1 { font-size: 40px; line-height: 48px; margin-bottom: 20px; }
h2 { font-size: 28px; line-height: 36px; margin-bottom: 20px; }
h3 { font-size: 16px; line-height: 22px; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 10px; }
p { margin: 0 0 16px; }
p:last-child { margin-bottom: 0; }
.kicker { display: block; font-size: 12px; line-height: 16px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--steel); margin-bottom: 16px; }
.lead { font-size: 19px; line-height: 30px; }
.small { font-size: 13px; line-height: 20px; color: var(--steel); }
a { color: var(--navy-2); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--navy); }
a:focus-visible { outline: 2px solid var(--navy-2); outline-offset: 2px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; height: 48px; padding: 0 26px; background: var(--navy); color: var(--white); font-size: 15px; font-weight: 700; line-height: 1; text-decoration: none; border-radius: 4px; }
.btn:hover { background: var(--navy-2); color: var(--white); }
.btn:focus-visible { outline: 2px solid var(--navy-2); outline-offset: 3px; }

/* Sektionen */
.sec { padding: 72px 0; }
.sec--rule { border-top: 1px solid var(--line); }
.band { padding: 56px 0; }
.band--navy { background: var(--navy); color: var(--white); }
.band--navy h2, .band--navy h3, .band--navy p { color: var(--white); }
.band--navy .small { color: var(--line); }
.band--navy a { color: var(--white); }
.band--navy a:hover { color: var(--line); }
.band--offwhite { background: var(--offwhite); }

/* Raster */
.grid { display: grid; gap: 40px 48px; align-items: start; }
.grid--7-5 { grid-template-columns: 7fr 5fr; }
.grid--5-7 { grid-template-columns: 5fr 7fr; }
.grid--3 { grid-template-columns: repeat(3, 1fr); gap: 32px 40px; }

/* Hero */
.hero-text .btn { margin: 8px 0 16px; }
.hero-media { position: relative; margin: 0; aspect-ratio: 3 / 2; background: var(--offwhite); overflow: hidden; }
.hero-media img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 55%; }
/* KI-Kennzeichnung je Bild (Art. 50 Abs. 4 KI-VO): Overlay-Label in der Bildecke, 12 px, Kontrast > 4,5:1 */
.ai-label { position: absolute; right: 8px; bottom: 8px; margin: 0; background: rgba(11, 31, 58, 0.92); color: var(--white); font-size: 12px; line-height: 16px; padding: 3px 8px; border-radius: 2px; }

/* Infobox */
.infobox { background: var(--offwhite); padding: 24px 28px 8px; }
.infobox__label { display: block; font-size: 12px; line-height: 16px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--navy-2); margin-bottom: 8px; }
.infobox ul { list-style: none; margin: 0; padding: 0; }
.infobox li { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 15px; line-height: 22px; }
.infobox li:last-child { border-bottom: 0; }

/* Standort */
.address { font-style: normal; color: var(--navy); font-weight: 700; line-height: 28px; }

/* Abstände */
.mt-8 { margin-top: 8px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }

/* Link-Zeile */
.linkline { margin-top: 24px; font-weight: 500; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0 40px; font-size: 13px; line-height: 20px; color: var(--steel); }
.site-footer .wrap { display: grid; grid-template-columns: 1fr auto; gap: 12px 40px; align-items: start; }
.site-footer p { margin: 0; }
.site-footer nav a { color: var(--steel); text-decoration: none; }
.site-footer nav a:hover, .site-footer nav a:focus-visible { color: var(--navy); text-decoration: underline; }
.site-footer .footer-links { white-space: nowrap; }
.site-footer .copyright { grid-column: 1 / -1; }

/* Breakpoints */
@media (max-width: 900px) {
  .grid--7-5, .grid--5-7 { grid-template-columns: 1fr; }
  .site-footer .wrap { grid-template-columns: 1fr; }
  .site-footer .footer-links { white-space: normal; }
}
@media (max-width: 600px) {
  body { font-size: 16px; line-height: 26px; }
  h1 { font-size: 30px; line-height: 36px; }
  h2 { font-size: 24px; line-height: 30px; }
  .lead { font-size: 17px; line-height: 27px; }
  .sec { padding: 48px 0; }
  .band { padding: 24px 0; }
  .grid--3 { grid-template-columns: 1fr; }
  .brand img { height: 30px; }
  .site-nav ul { gap: 0 20px; }
  .site-nav a { padding: 8px 0 6px; }
  .site-header .wrap { padding-bottom: 8px; }
}
