/* =========================================================================
   Rheinland Kraftstoffe — Design-System
   Eigene Marke. Petrol/Teal + Grün-Akzent (HVO/erneuerbar). NICHT Eni-Gelb.
   ========================================================================= */
:root{
  --ink:#0B232C;          /* Tiefes Petrol-Schwarz (Text, dunkle Flächen) */
  --petrol:#0E3A45;
  --petrol-2:#11505C;
  --teal:#0E7E8C;         /* Primäre Markenfarbe */
  --teal-600:#0a6975;
  --green:#2FA36B;        /* Akzent: erneuerbar / HVO / Nachhaltigkeit */
  --green-700:#1f8154;
  --paper:#F7F5F0;        /* Warmer heller Hintergrund */
  --paper-2:#EFEBE2;
  --card:#FFFFFF;
  --line:#E4DFD5;
  --muted:#4C5A5F;        /* abgedunkelt für WCAG 1.4.3 (>=4.5:1 auf paper/paper-2) */
  --ink-soft:#33474D;
  --white:#FFFFFF;
  --maxw:1180px;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(11,35,44,.06), 0 2px 8px rgba(11,35,44,.05);
  --shadow:0 8px 30px rgba(11,35,44,.10);
  --font-sans:"Inter Tight","Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-sans);color:var(--ink);background:var(--paper);
  line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--teal);text-decoration:none}
a:hover{color:var(--teal-600)}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em;margin:0 0 .4em;font-weight:700}
h1{font-size:clamp(2.1rem,5vw,3.5rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.4rem)}
h3{font-size:1.18rem}
p{margin:0 0 1rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;font-size:.78rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:1rem;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--green)}
.lead{font-size:1.18rem;color:var(--ink-soft);max-width:60ch}
.muted{color:var(--muted)}
.section{padding:84px 0}
.section--tight{padding:56px 0}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* ---- Buttons ---- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;font-weight:600;font-size:1rem;
  padding:.85rem 1.5rem;border-radius:999px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .12s ease,box-shadow .2s ease,background .2s ease;white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--teal);color:#fff;box-shadow:var(--shadow-sm)}
.btn--primary:hover{background:var(--teal-600);color:#fff;box-shadow:var(--shadow)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--teal);color:var(--teal)}
.btn--light{background:#fff;color:var(--ink)}
.btn--light:hover{background:var(--paper)}
.btn--green{background:var(--green);color:#fff}
.btn--green:hover{background:var(--green-700);color:#fff}
.btn--lg{padding:1.05rem 1.9rem;font-size:1.05rem}

/* ---- Header / Nav ---- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(247,245,240,.86);
  backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:1.5rem;height:72px}
.brand{display:flex;align-items:center;gap:.65rem;font-weight:800;font-size:1.18rem;letter-spacing:-.02em;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand small{display:block;font-size:.62rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:1px}
.brandmark{width:34px;height:34px;flex:0 0 auto;display:block}  /* neues SVG-Markenzeichen (Techet) */
.brand-name{white-space:nowrap}  /* Markenname nicht auf zwei Zeilen umbrechen */
/* Eni-Vertriebspartner-Badge (prominent im dunklen Hero) */
.eni-badge{display:inline-flex;align-items:center;gap:.5rem;font-size:.8rem;font-weight:700;letter-spacing:.02em;padding:.42rem .9rem;border-radius:999px;margin-bottom:1.1rem;background:rgba(92,205,185,.14);color:#cdeee7;border:1px solid rgba(92,205,185,.38)}
.eni-badge svg{width:15px;height:15px;flex:0 0 auto;color:#5ccdb9}
.nav-links{display:flex;gap:1.35rem;margin-left:auto;align-items:center}
.nav-links a{color:var(--ink-soft);font-weight:500;font-size:.96rem}
.nav-links a:hover{color:var(--teal)}
.nav-actions{display:flex;align-items:center;gap:.85rem}
.nav-phone{font-weight:700;color:var(--ink);white-space:nowrap}
.nav-phone span{display:block;font-size:.66rem;font-weight:500;color:var(--muted)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}

/* ---- Hero ---- */
.hero{position:relative;background:
   radial-gradient(120% 90% at 85% -10%, rgba(47,163,107,.16), transparent 55%),
   radial-gradient(100% 80% at 10% 0%, rgba(14,126,140,.14), transparent 50%),
   var(--paper);
   padding:74px 0 64px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1 .accent{color:var(--teal)}
.hero .lead{margin-top:.6rem}
.hero-cta{display:flex;gap:.9rem;flex-wrap:wrap;margin-top:1.8rem}
.hero-trust{display:flex;gap:1.4rem;flex-wrap:wrap;margin-top:2rem;font-size:.92rem;color:var(--ink-soft)}
.hero-trust .ht{display:flex;align-items:center;gap:.5rem}
.hero-trust svg{flex:0 0 auto;color:var(--green)}

/* PLZ / Liefergebiet-Check Karte */
.plz-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow);
}
.plz-card h3{font-size:1.25rem;margin-bottom:.2rem;color:var(--ink)}
.plz-card p{font-size:.95rem;color:var(--muted)}
.plz-form{display:flex;gap:.6rem;margin-top:1rem}
.plz-form input{
  flex:1;padding:.85rem 1rem;border:1.5px solid var(--line);border-radius:12px;font-size:1rem;font-family:inherit;
}
.plz-form input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(14,126,140,.14)}
.plz-note{font-size:.8rem;color:var(--muted);margin-top:.8rem}

/* ---- Trust-Leiste ---- */
.trustbar{background:var(--ink);color:#cfe0e2}
.trustbar .container{display:flex;flex-wrap:wrap;gap:14px 36px;justify-content:center;padding-top:22px;padding-bottom:22px}
.trustbar .ti{display:flex;align-items:center;gap:.6rem;font-size:.95rem;font-weight:500}
.trustbar .ti b{color:#fff;font-weight:700}
.trustbar svg{color:var(--green)}

/* ---- Karten / Grids ---- */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);transition:transform .14s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.prod .tag{
  display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  color:var(--green-700);background:rgba(47,163,107,.12);padding:.25rem .6rem;border-radius:999px;margin-bottom:.8rem;
}
.prod h3{margin-bottom:.35rem}
.prod p{font-size:.95rem;color:var(--ink-soft);margin-bottom:0}

/* Mobile: in .split-Sektionen immer Überschrift vor Bild (kein Bild über dem Titel) */
@media (max-width:920px){.split .sec-head{order:-1}}

/* Ablauf */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{position:relative;padding-top:8px}
.step .num{
  width:42px;height:42px;border-radius:12px;background:var(--teal);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:1.1rem;margin-bottom:.9rem;
}
.step h3{font-size:1.05rem}
.step p{font-size:.92rem;color:var(--ink-soft);margin:0}

/* Preis-Transparenz */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.panel-dark{background:linear-gradient(160deg,var(--petrol),var(--ink));color:#dbe9ea;border-radius:var(--radius-lg);padding:38px}
.panel-dark h2{color:#fff}
.panel-dark ul{list-style:none;padding:0;margin:1rem 0 0}
.panel-dark li{display:flex;gap:.7rem;padding:.5rem 0;border-bottom:1px solid rgba(255,255,255,.08)}
.panel-dark li svg{flex:0 0 auto;color:var(--green);margin-top:3px}

/* FAQ */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq summary{padding:18px 22px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--teal);transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 22px 20px;margin:0;color:var(--ink-soft)}

/* ---- Anfrageformular ---- */
.form-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.86rem;font-weight:600;margin-bottom:.35rem;color:var(--ink-soft)}
.field .opt{font-weight:400;color:var(--muted)}
.field input,.field select,.field textarea{
  width:100%;padding:.8rem .9rem;border:1.5px solid var(--line);border-radius:10px;font-size:1rem;font-family:inherit;background:#fff;color:var(--ink);
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(14,126,140,.14)}
.field textarea{min-height:110px;resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.check{display:flex;gap:.6rem;align-items:flex-start;font-size:.88rem;color:var(--ink-soft)}
.check input{width:auto;margin-top:.25rem}
/* Kontaktwunsch (E-Mail / Telefon) als Pillen-Radio */
.radio-row{display:flex;gap:.5rem;flex-wrap:wrap}
.radio{display:inline-flex;align-items:center;gap:.4rem;font-size:.92rem;font-weight:500;
  color:var(--ink-soft);border:1.5px solid var(--line);border-radius:999px;padding:.5rem .95rem;cursor:pointer}
.radio input{width:auto;margin:0}
.radio:has(input:checked){border-color:var(--teal);color:var(--teal);background:rgba(14,126,140,.07)}
/* Ansprechpartner mit Portrait (Kontaktseite); Monogramm-Fallback wenn Foto fehlt */
.person{display:flex;align-items:center;gap:.9rem}
.person img,.person .person-mono{width:60px;height:60px;border-radius:50%;flex:0 0 auto}
.person img{object-fit:cover;border:2px solid var(--line)}
.person .person-mono{display:grid;place-items:center;background:linear-gradient(135deg,var(--teal),var(--petrol));color:#fff;font-weight:800;font-size:1.2rem}
.form-msg{margin-top:1rem;padding:.85rem 1rem;border-radius:10px;font-size:.92rem;display:none}
.form-msg.ok{display:block;background:rgba(47,163,107,.12);color:var(--green-700)}
.form-msg.err{display:block;background:#fdecec;color:#b3261e}

/* ---- Footer ---- */
.site-footer{background:var(--ink);color:#a9bcbf;padding:56px 0 28px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.site-footer h4{color:#fff;font-size:.95rem;margin:0 0 1rem;letter-spacing:.04em}
.site-footer a{color:#a9bcbf;display:block;padding:.25rem 0;font-size:.92rem}
.site-footer a:hover{color:#fff}
.footer-brand .brand{color:#fff}
.footer-brand p{font-size:.9rem;max-width:30ch;margin-top:1rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.84rem}
.ph{color:#f2c14e;font-weight:600}  /* Platzhalter-Markierung sichtbar */

/* ---- Section headlines ---- */
.sec-head{max-width:58ch;margin-bottom:40px}
.sec-head.center{margin-left:auto;margin-right:auto}

/* ---- Responsive ---- */
@media (max-width:920px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .grid-4,.grid-3,.grid-2,.form-row,.footer-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .section{padding:60px 0}
}

/* =========================================================================
   ENTERPRISE-POLITUR v2 (2026-06-04) — Tiefe, Hierarchie, Rhythmus.
   Bewusst am Dateiende: spätere Regeln überschreiben Teile oben.
   ========================================================================= */

/* Anker nicht unter den Sticky-Header rutschen lassen */
[id]{scroll-margin-top:88px}

/* ---- Hero: dunkel & wertig, weiße PLZ-Karte als Fokuspunkt ---- */
.hero{
  color:#dbe9ea;
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(47,163,107,.20), transparent 55%),
    radial-gradient(90% 80% at 6% 0%, rgba(14,126,140,.32), transparent 55%),
    linear-gradient(165deg,#0d2e38 0%, var(--ink) 72%);
  padding:96px 0 84px;
}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.10),transparent)}
.hero .eyebrow{color:#7fe3d2}
.hero h1{color:#fff;font-size:clamp(2.3rem,5.2vw,3.7rem)}
.hero h1 .accent{color:#5ccdb9}
.hero .lead{color:#b7cfd2}
.hero-trust{color:#cfe0e2;border-top:1px solid rgba(255,255,255,.10);padding-top:1.5rem}
.hero-trust svg{color:#5ccdb9}
.hero .btn--ghost{color:#fff;border-color:rgba(255,255,255,.32)}
.hero .btn--ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}
.plz-card{box-shadow:0 24px 60px rgba(0,0,0,.32);border-color:rgba(255,255,255,.65)}

/* ---- Credibility-Strip (echte Firmenfakten, hell) ---- */
.trustbar{background:var(--card);border-bottom:1px solid var(--line)}
.trustbar .container{gap:14px 30px}
.trustbar .ti{color:var(--ink-soft);font-weight:600}
.trustbar .ti b{color:var(--ink)}
.trustbar svg{color:var(--teal)}

/* ---- Branchen als Icon-Karten ---- */
.zg-card{display:flex;flex-direction:column}
.zg-ic{
  width:48px;height:48px;border-radius:13px;display:grid;place-items:center;margin-bottom:1.1rem;
  background:linear-gradient(135deg,rgba(14,126,140,.13),rgba(47,163,107,.13));
  color:var(--teal);border:1px solid rgba(14,126,140,.16);
}
.zg-ic svg{width:24px;height:24px}
.zg-card h3{font-size:1.12rem;margin-bottom:.35rem}
.zg-card p{color:var(--muted);font-size:.94rem;margin:0}

/* ---- Rhythmus & Wertigkeit ---- */
.section{padding:96px 0}
.section--tight{padding:64px 0}
.sec-head{margin-bottom:48px}
.eyebrow{letter-spacing:.16em}
.card{border-radius:16px}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem)}

@media (max-width:680px){
  .hero{padding:64px 0 56px}
  .section{padding:64px 0}
}

/* =========================================================================
   MEGA-MENÜ-NAVIGATION (Synthese 2026-06-04) — echte Seiten statt Anker
   ========================================================================= */
.nav-links{gap:1.1rem}
.nav-item{position:relative;display:inline-flex;align-items:center}
.nav-top{display:inline-flex;align-items:center;gap:.34rem;color:var(--ink-soft);font-weight:500;font-size:.96rem;padding:6px 0}
.nav-top:hover{color:var(--teal)}
.nav-top .caret{width:10px;height:6px;opacity:.65;transition:transform .2s}
.nav-item.has-mega:hover .caret{transform:rotate(180deg)}
.nav-item.has-mega::after{content:"";position:absolute;top:100%;left:-12px;right:-12px;height:16px}
.mega{
  position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);
  min-width:660px;background:var(--card);border:1px solid var(--line);border-radius:16px;
  box-shadow:0 24px 60px rgba(11,35,44,.16);padding:22px;display:grid;
  grid-template-columns:1fr 1fr 1fr 1.15fr;gap:6px 26px;
  opacity:0;visibility:hidden;transition:opacity .16s ease,transform .16s ease,visibility .16s;z-index:60;
}
/* Unsichtbare Hover-Bruecke ueber die VOLLE Menue-Breite. Ohne sie schliesst das
   Mega-Menue beim diagonalen Mausweg zu den aeusseren Spalten (Dead-Zone-Bug,
   "Tab rutscht weg" / "geht ins Nix"). Deckt die 7px-Luecke ueber dem ganzen Panel ab. */
.mega::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
.mega--sm{min-width:280px;grid-template-columns:1fr}
.nav-item.has-mega:hover .mega,.nav-item.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(7px)}
.mega-h{display:block;font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:2px 0 8px}
.mega a{display:flex;align-items:center;gap:.4rem;padding:7px 10px;border-radius:9px;color:var(--ink);font-size:.95rem;font-weight:500}
.mega a:hover{background:var(--paper);color:var(--teal)}
.mega-badge{font-size:.6rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--green-700);background:rgba(47,163,107,.13);padding:1px 7px;border-radius:999px}
.mega-aside{background:var(--paper);border-radius:12px;padding:14px 16px}
.mega-aside .mega-all{font-weight:700;color:var(--teal)}
.mega-note{font-size:.82rem;color:var(--muted);margin:8px 0 12px;line-height:1.5}
.mega-aside .btn{width:100%;justify-content:center;font-size:.9rem;padding:.6rem 1rem}

/* Nav schon ab 900px auf Hamburger umstellen — sonst quetscht sich die volle
   Mega-Nav mit dem Markennamen und der bricht zweizeilig um (gemeldeter Logo-Bug). */
@media (max-width:900px){
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:var(--paper);
    flex-direction:column;padding:18px 22px;gap:.4rem;border-bottom:1px solid var(--line);
    max-height:calc(100vh - 72px);overflow:auto}
  .nav-links.open{display:flex}
  .nav-links a{padding:.5rem 0}
  .nav-toggle{display:block;margin-left:auto}
  .nav-phone{display:none}
  .nav-item{display:block;width:100%}
  .nav-top{width:100%;justify-content:space-between}
  .nav-item.has-mega::after{display:none}
  .mega{position:static;transform:none;opacity:1;visibility:visible;min-width:0;
    grid-template-columns:1fr;box-shadow:none;border:0;padding:2px 0 8px 14px;background:transparent}
  .mega--sm{min-width:0}
  .mega-aside{display:none}
  .nav-item.has-mega .caret{opacity:.4}
}

/* =========================================================================
   ACCESSIBILITY (WCAG 2.2) — Skip-Link, sichtbare Fokus-Ringe, Reduced-Motion
   ========================================================================= */
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--teal);color:#fff;
  padding:.7rem 1.1rem;border-radius:0 0 10px 0;font-weight:600}
.skip-link:focus{left:0}
main:focus{outline:none}
a:focus-visible,.btn:focus-visible,button:focus-visible,summary:focus-visible,
.nav-top:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid var(--teal);outline-offset:2px;border-radius:4px}
/* Helle Fokus-Variante auf dunklen Flächen */
.hero a:focus-visible,.hero .btn:focus-visible,
.panel-dark a:focus-visible,.panel-dark .btn:focus-visible,
.site-footer a:focus-visible,.site-footer .btn:focus-visible{outline-color:#fff}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important}
}