/* =========================================================
   SCHRIFTEN – lokal ausgeliefert, keine Verbindung zu Google
   Die .woff2-Dateien gehören nach assets/fonts/.
   Fehlen sie, greift automatisch die Systemschrift.
   ========================================================= */
@font-face{
  font-family:"Archivo"; font-style:normal; font-weight:500; font-display:swap;
  src:url("../fonts/archivo-500.woff2") format("woff2");
}
@font-face{
  font-family:"Archivo"; font-style:normal; font-weight:600; font-display:swap;
  src:url("../fonts/archivo-600.woff2") format("woff2");
}
@font-face{
  font-family:"Instrument Sans"; font-style:normal; font-weight:400; font-display:swap;
  src:url("../fonts/instrument-sans-400.woff2") format("woff2");
}
@font-face{
  font-family:"Instrument Sans"; font-style:normal; font-weight:500; font-display:swap;
  src:url("../fonts/instrument-sans-500.woff2") format("woff2");
}
@font-face{
  font-family:"Instrument Sans"; font-style:normal; font-weight:600; font-display:swap;
  src:url("../fonts/instrument-sans-600.woff2") format("woff2");
}
@font-face{
  font-family:"JetBrains Mono"; font-style:normal; font-weight:400; font-display:swap;
  src:url("../fonts/jetbrains-mono-400.woff2") format("woff2");
}
@font-face{
  font-family:"JetBrains Mono"; font-style:normal; font-weight:500; font-display:swap;
  src:url("../fonts/jetbrains-mono-500.woff2") format("woff2");
}

/* =========================================================
   SILBERRÜCKEN Transport – Stylesheet
   Zurückhaltende, helle Farbwelt für Schweizer B2B-Dienstleistung
   ========================================================= */

:root{
  --paper:      #FAFAF8;   /* Seitenhintergrund */
  --surface:    #FFFFFF;   /* Karten            */
  --alt:        #F1F1EE;   /* abgesetzte Bänder */
  --ink:        #17181A;   /* Text, Buttons     */
  --ink-soft:   #3D4044;
  --muted:      #696D71;
  --line:       #DEDED9;
  --line-soft:  #EBEBE6;
  --accent:     #2F4F5F;   /* Stahlblau, sparsam eingesetzt */
  --accent-soft:#7E9AA8;

  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body:    "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --shell: 1180px;
  --pad: clamp(20px, 5vw, 56px);
  --section-y: clamp(72px, 9vw, 128px);

  --ease: cubic-bezier(.22,.61,.36,1);
}

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

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; scroll-padding-top:112px; }

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:clamp(15.5px, .5vw + 14px, 17px);
  line-height:1.68;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,svg,video{ display:block; max-width:100%; }
a{ color:inherit; }

::selection{ background:var(--ink); color:var(--paper); }

:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; }

.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--ink); color:var(--paper); padding:12px 18px; font-size:14px;
}
.skip-link:focus{ left:12px; top:12px; }

.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--pad);
}

.mono{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.12em;
  text-transform:uppercase;
}

.visually-hidden{
  position:absolute; width:1px; height:1px;
  overflow:hidden; clip-path:inset(50%); white-space:nowrap;
}

/* ---------- Typografie ---------- */
h1,h2,h3{
  font-family:var(--font-display);
  font-weight:600;
  font-variation-settings:"wdth" 100;
  line-height:1.12;
  letter-spacing:-.012em;
  margin:0;
  text-wrap:balance;
}

h1{ font-size:clamp(2.1rem, 4.6vw, 3.7rem); line-height:1.06; }
h2{ font-size:clamp(1.6rem, 3vw, 2.4rem); }
h3{ font-size:1.1rem; }

p{ margin:0 0 1.1em; }
p:last-child{ margin-bottom:0; }

.lead{
  font-size:clamp(1.02rem, 1.1vw, 1.18rem);
  color:var(--ink-soft);
}

.eyebrow{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent);
  margin:0 0 18px;
  display:flex;
  align-items:center;
  gap:12px;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px;
  background:var(--accent);
  flex:none;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:15px 28px;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  text-decoration:none;
  border:1px solid var(--ink);
  border-radius:2px;
  cursor:pointer;
  transition:background .25s var(--ease), color .25s var(--ease),
             border-color .25s var(--ease);
}
.btn-primary{ background:var(--ink); color:var(--paper); }
.btn-primary:hover{ background:#000; border-color:#000; }

.btn-secondary{ background:transparent; color:var(--ink); border-color:var(--line); }
.btn-secondary:hover{ border-color:var(--ink); background:var(--surface); }

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(250,250,248,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease);
}
.site-header.is-stuck{ border-bottom-color:var(--line); }

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:92px;
}

.brand{ display:flex; align-items:center; gap:14px; text-decoration:none; flex:none; }
.brand-mark{ height:46px; width:auto; flex:none; border-radius:6px; }
.brand-text{ display:flex; flex-direction:column; line-height:1; }
.brand-name{
  font-family:var(--font-display);
  font-weight:600;
  font-variation-settings:"wdth" 108;
  font-size:1.14rem;
  letter-spacing:.07em;
}
.brand-sub{
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--muted);
  margin-top:6px;
}

.nav{ display:flex; align-items:center; gap:24px; }
.nav a{
  font-size:1.02rem;
  text-decoration:none;
  color:var(--ink-soft);
  transition:color .2s var(--ease);
}
.nav a:hover{ color:var(--ink); }
.nav .nav-cta{ color:var(--paper); padding:13px 22px; font-size:.74rem; }
.nav .nav-cta:hover{ color:var(--paper); }

.nav-toggle{
  display:none;
  align-items:center; gap:10px;
  background:none; border:0; color:var(--ink);
  font-family:var(--font-mono); font-size:.68rem;
  letter-spacing:.14em; text-transform:uppercase;
  padding:10px 0; cursor:pointer;
}
.nav-toggle-bars{ display:grid; gap:5px; width:20px; }
.nav-toggle-bars i{ height:1px; background:var(--ink); transition:transform .3s var(--ease); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:first-child{ transform:translateY(3px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:last-child{ transform:translateY(-3px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;
  padding-block:clamp(56px,8vw,104px) clamp(56px,7vw,88px);
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-inner{ position:relative; }

.hero-crest{
  position:absolute;
  z-index:0;
  top:-14%;
  left:50%;
  transform:translateX(-50%);
  width:min(66vw, 780px);
  aspect-ratio:1069 / 738;
  background:url("../img/logo-mark-dark.svg") no-repeat center / contain;
  opacity:.075;
  pointer-events:none;
}
.hero-inner > *:not(.hero-crest){ position:relative; z-index:1; }

.hero-title{ margin-bottom:24px; max-width:19ch; }
.hero-lead{ max-width:58ch; font-size:clamp(1rem,1.15vw,1.16rem); color:var(--ink-soft); margin-bottom:34px; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:12px; }

.hero-meta{
  margin-top:clamp(40px,5vw,64px);
  padding-top:26px;
  border-top:1px solid var(--line);
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
  gap:22px 30px;
}
.hero-meta div{ display:grid; gap:6px; align-content:start; }
.hero-meta .meta-key{
  font-family:var(--font-mono);
  font-size:.66rem; letter-spacing:.12em; text-transform:uppercase;
  color:var(--accent);
}
.hero-meta .meta-val{ font-size:.94rem; color:var(--ink-soft); }

/* =========================================================
   SEKTIONEN
   ========================================================= */
.section{ padding-block:var(--section-y); }
.section-alt{ background:var(--alt); }
.section-head{ max-width:46ch; margin-bottom:clamp(34px,4.5vw,56px); }
.section-text{ max-width:62ch; margin-bottom:clamp(28px,3.5vw,44px); color:var(--ink-soft); }

/* ---------- Zweispaltig ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);
  gap:clamp(28px,5vw,80px);
  align-items:start;
}
.split-head h2{ position:sticky; top:126px; }

/* ---------- Merkmalliste ---------- */
.facts{ list-style:none; margin:0; padding:0; border-top:1px solid var(--line); }
.facts li{
  display:grid;
  grid-template-columns:160px 1fr;
  gap:22px;
  padding:15px 0;
  border-bottom:1px solid var(--line);
  align-items:baseline;
}
.fact-key{ color:var(--accent); }
.fact-val{ color:var(--ink-soft); }

/* ---------- Karten ---------- */
.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(270px,1fr));
  gap:clamp(14px,1.6vw,20px);
}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  padding:clamp(24px,2.6vw,34px);
  transition:border-color .25s var(--ease);
}
.card:hover{ border-color:var(--ink); }
.card-icon{ display:block; width:28px; height:28px; color:var(--accent); margin-bottom:22px; }
.card-icon svg{ width:100%; height:100%; stroke-linecap:round; stroke-linejoin:round; }
.card h3{ margin-bottom:10px; }
.card p{ color:var(--muted); font-size:.94rem; }

/* ---------- Transportmodelle ---------- */
.models{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(260px,1fr));
  gap:clamp(14px,1.6vw,20px);
}
.model{
  background:var(--surface);
  border:1px solid var(--line);
  padding:clamp(24px,2.6vw,34px);
  display:flex;
  flex-direction:column;
}
.model-name{
  font-size:1.35rem;
  letter-spacing:.05em;
  text-transform:uppercase;
  margin-bottom:10px;
}
.model-desc{ color:var(--muted); font-size:.94rem; margin-bottom:20px; }
.model-list{ list-style:none; margin:0; padding:0; border-top:1px solid var(--line-soft); }
.model-list li{
  position:relative;
  padding:11px 0 11px 18px;
  border-bottom:1px solid var(--line-soft);
  color:var(--ink-soft);
  font-size:.9rem;
}
.model-list li:last-child{ border-bottom:0; }
.model-list li::before{
  content:"";
  position:absolute; left:0; top:20px;
  width:7px; height:1px; background:var(--accent);
}
.model-accent{ border-color:var(--ink); }
.model-accent .model-name{ color:var(--accent); }

/* ---------- Ablauf ---------- */
.flow{ list-style:none; margin:0; padding:0; border-top:1px solid var(--line); }
.flow-step{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:20px;
  padding:24px 0;
  border-bottom:1px solid var(--line);
}
.flow-no{ color:var(--accent); padding-top:3px; }
.flow-body h3{ margin-bottom:7px; }
.flow-body p{ color:var(--muted); max-width:64ch; font-size:.94rem; }

/* ---------- Hinweisbox ---------- */
.callout{
  margin-top:clamp(30px,4vw,44px);
  border:1px solid var(--line);
  background:var(--surface);
  padding:clamp(22px,2.6vw,32px);
}
.callout-title{ color:var(--accent); margin:0 0 14px; }
.callout-list{
  list-style:none; margin:0; padding:0;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  gap:8px 30px;
}
.callout-list li{ position:relative; padding-left:18px; font-size:.93rem; color:var(--ink-soft); }
.callout-list li::before{
  content:""; position:absolute; left:0; top:11px;
  width:7px; height:1px; background:var(--accent);
}

/* ---------- Aufzählung ---------- */
.checklist{
  list-style:none; margin:0; padding:0;
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(260px,1fr));
  gap:0 clamp(24px,4vw,56px);
}
.checklist li{
  position:relative;
  padding:15px 0 15px 28px;
  border-bottom:1px solid var(--line);
  font-size:.95rem;
  color:var(--ink-soft);
}
.checklist li::before{
  content:"";
  position:absolute; left:2px; top:22px;
  width:10px; height:5px;
  border-left:1.5px solid var(--accent);
  border-bottom:1.5px solid var(--accent);
  transform:rotate(-45deg);
}

/* ---------- Auftraggeber ---------- */
.clients{
  list-style:none; margin:0; padding:0;
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(190px,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.clients li{
  background:var(--paper);
  padding:24px 22px;
  font-family:var(--font-display);
  font-weight:500;
  font-size:.98rem;
  color:var(--ink-soft);
  display:flex; align-items:center;
}

/* ---------- Vergleichstabelle ---------- */
.table-wrap{ overflow-x:auto; border:1px solid var(--line); background:var(--surface); }
.spec-table{ width:100%; min-width:640px; border-collapse:collapse; text-align:left; }
.spec-table th,.spec-table td{
  padding:15px 20px;
  border-bottom:1px solid var(--line-soft);
  vertical-align:top;
  font-size:.92rem;
  font-weight:400;
}
.spec-table thead th{
  font-family:var(--font-display);
  font-weight:600;
  font-size:.92rem;
  letter-spacing:.05em;
  text-transform:uppercase;
  border-bottom-color:var(--line);
}
.spec-table tbody th{
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--muted);
  width:24%;
  white-space:nowrap;
}
.spec-table td{ color:var(--ink-soft); }
.spec-table tbody tr:last-child th,
.spec-table tbody tr:last-child td{ border-bottom:0; }
.spec-table .col-accent{ background:rgba(47,79,95,.05); }
.spec-table thead .col-accent{ color:var(--accent); }

/* ---------- FAQ ---------- */
.faq{ border-top:1px solid var(--line); max-width:820px; }
.faq-item{ border-bottom:1px solid var(--line); }
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 40px 20px 0;
  position:relative;
  font-family:var(--font-display);
  font-weight:600;
  font-size:1.02rem;
  line-height:1.4;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content:"";
  position:absolute; right:6px; top:26px;
  width:10px; height:10px;
  border-right:1.5px solid var(--accent);
  border-bottom:1.5px solid var(--accent);
  transform:rotate(45deg);
  transition:transform .25s var(--ease);
}
.faq-item[open] summary::after{ transform:rotate(-135deg); }
.faq-item summary:hover{ color:var(--accent); }
.faq-answer{ padding:0 40px 22px 0; color:var(--muted); font-size:.95rem; max-width:66ch; }

/* ---------- Abschluss ---------- */
.section-cta{
  background:var(--ink);
  color:var(--paper);
  position:relative;
  overflow:hidden;
}
.cta-crest{
  position:absolute;
  z-index:0;
  top:50%;
  left:35%;
  transform:translate(-50%,-50%);
  width:min(56vw, 680px);
  aspect-ratio:1069 / 738;
  background:url("../img/logo-mark.svg") no-repeat center / contain;
  opacity:.17;
  pointer-events:none;
}
.section-cta .shell{ position:relative; z-index:1; }
.section-cta .eyebrow{ color:var(--accent-soft); }
.section-cta .eyebrow::before{ background:var(--accent-soft); }
.section-cta .lead{ color:rgba(250,250,248,.78); }
.cta-inner{ max-width:62ch; }
.cta-inner h2{ margin-bottom:20px; }
.cta-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:32px; }
.section-cta .btn-primary{ background:var(--paper); color:var(--ink); border-color:var(--paper); }
.section-cta .btn-primary:hover{ background:#fff; border-color:#fff; }
.section-cta .btn-secondary{ color:var(--paper); border-color:rgba(250,250,248,.34); }
.section-cta .btn-secondary:hover{ border-color:var(--paper); background:transparent; }

/* ---------- Kontakt ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.contact-block{
  background:var(--paper);
  padding:clamp(22px,2.4vw,30px);
  display:grid; gap:12px; align-content:start;
}
.contact-key{ color:var(--accent); }
.contact-block address{ font-style:normal; color:var(--ink-soft); line-height:1.75; }
.contact-block p{ color:var(--ink-soft); font-size:.95rem; }
.contact-block a{ text-decoration:none; border-bottom:1px solid var(--line); }
.contact-block a:hover{ border-bottom-color:var(--ink); }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{ background:var(--ink); color:var(--paper); padding-block:52px; }
.footer-inner{
  display:flex; flex-wrap:wrap; align-items:center;
  justify-content:space-between; gap:26px;
}
.footer-logo{ width:132px; height:auto; }
.footer-nav{ display:flex; flex-wrap:wrap; gap:22px; }
.footer-nav a{
  font-size:.85rem; text-decoration:none; color:rgba(250,250,248,.68);
  transition:color .2s var(--ease);
}
.footer-nav a:hover{ color:var(--paper); }
.footer-legal{
  width:100%;
  color:rgba(250,250,248,.45);
  font-size:.64rem; letter-spacing:.08em; text-transform:none;
  border-top:1px solid rgba(250,250,248,.14);
  padding-top:20px; margin:0;
}

/* =========================================================
   UNTERSEITEN
   ========================================================= */
.page-intro{
  padding-block:clamp(52px,6vw,84px) clamp(34px,4vw,52px);
  border-bottom:1px solid var(--line);
}
.page-intro h1{ margin-bottom:22px; max-width:20ch; }
.intro-lead{ max-width:62ch; }
.intro-lead + .intro-lead{ margin-top:16px; color:var(--muted); }

.legal{ padding-block:clamp(52px,6vw,84px) var(--section-y); }
.legal-body{ max-width:70ch; }
.legal-body h2{ font-size:1.35rem; margin:46px 0 14px; }
.legal-body h3{ margin:28px 0 8px; color:var(--ink-soft); }
.legal-body p,.legal-body li{ color:var(--ink-soft); }
.legal-body ul{ padding-left:20px; margin:0 0 1.1em; }
.legal-body li{ margin-bottom:6px; }
.legal-body a{ color:var(--accent); }

/* =========================================================
   SCROLL-REVEAL
   ========================================================= */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible{ opacity:1; transform:none; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1150px) and (min-width:861px){
  .nav{ gap:18px; }
  .nav a{ font-size:.94rem; }
  .brand-name{ font-size:1.04rem; }
}

@media (max-width:980px){
  .split{ grid-template-columns:1fr; }
  .split-head h2{ position:static; }
}

@media (max-width:860px){
  .nav-toggle{ display:flex; }
  .nav{
    position:absolute;
    inset:92px 0 auto 0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:var(--paper);
    border-bottom:1px solid var(--line);
    padding:8px var(--pad) 26px;
    transform:translateY(-10px);
    opacity:0;
    pointer-events:none;
    transition:opacity .25s var(--ease), transform .25s var(--ease);
  }
  .nav.is-open{ opacity:1; transform:none; pointer-events:auto; }
  .nav a{ padding:15px 0; border-bottom:1px solid var(--line-soft); font-size:1rem; }
  .nav .nav-cta{ margin-top:18px; border-bottom:0; justify-content:center; }
  .hero-crest{ width:104vw; top:-6%; opacity:.06; }
  .cta-crest{ left:50%; width:92vw; opacity:.14; }
}

@media (max-width:560px){
  .facts li{ grid-template-columns:1fr; gap:4px; }
  .flow-step{ grid-template-columns:1fr; gap:6px; }
  .flow-no{ padding-top:0; }
  .hero-actions .btn,
  .cta-actions .btn{ width:100%; }
  .footer-logo{ width:112px; }
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  .reveal{ opacity:1; transform:none; }
}