/* ==========================================================================
   Glasgutachten.at – Design-System
   Farben, Typografie und Komponenten. Zentrale Datei für das ganze Design.
   ========================================================================== */

/* --- Schriften (selbst gehostet, keine Google-Fonts = DSGVO-sicher) ------- */
@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');}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;
  src:url('../fonts/inter-latin-700-normal.woff2') format('woff2');}
@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:600;font-display:swap;
  src:url('../fonts/source-serif-4-latin-600-normal.woff2') format('woff2');}
@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:700;font-display:swap;
  src:url('../fonts/source-serif-4-latin-700-normal.woff2') format('woff2');}

/* --- Design-Tokens ------------------------------------------------------- */
:root{
  /* Farben */
  --ink:#0C1D24;           /* Anthrazit-Petrol, Haupttextfarbe & dunkle Flächen */
  --ink-soft:#14323C;      /* etwas heller, für Verläufe                       */
  --petrol:#12616F;        /* Primärfarbe: Links, Buttons, Akzentlinien        */
  --petrol-dark:#0D4B56;
  --petrol-light:#E6F1F2;  /* zarte Hinterlegung                              */
  --amber:#C8811F;         /* Signalfarbe: Bruch, Warnung, Hervorhebung        */
  --amber-light:#FBF1E1;
  --paper:#FBFAF7;         /* warmes Weiß, Seitenhintergrund                   */
  --white:#FFFFFF;
  --line:#E2E0DA;          /* Trennlinien                                      */
  --muted:#5A6A70;         /* Sekundärtext                                     */

  /* Typografie */
  --font-sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --font-serif:'Source Serif 4',Georgia,'Times New Roman',serif;

  /* Maße */
  --wrap:1160px;
  --wrap-narrow:760px;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 1px 2px rgba(12,29,36,.05),0 8px 28px rgba(12,29,36,.07);
  --shadow-lg:0 2px 4px rgba(12,29,36,.06),0 20px 50px rgba(12,29,36,.12);
}

/* --- Basis --------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-sans);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{max-width:100%;height:auto;display:block;}
a{color:var(--petrol);text-decoration-thickness:1px;text-underline-offset:3px;}
a:hover{color:var(--petrol-dark);}

h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;line-height:1.18;
  letter-spacing:-.015em;margin:0 0 .5em;color:var(--ink);}
h1{font-size:clamp(2.1rem,5.2vw,3.5rem);}
h2{font-size:clamp(1.65rem,3.4vw,2.35rem);}
h3{font-size:clamp(1.2rem,2.2vw,1.45rem);}
h4{font-size:1.08rem;font-family:var(--font-sans);font-weight:700;letter-spacing:0;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.2em;padding-left:1.25em;}
li{margin-bottom:.45em;}
strong{font-weight:600;}
hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0;}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:20px;}
.wrap-narrow{max-width:var(--wrap-narrow);}
section{padding:clamp(3rem,7vw,5.5rem) 0;}
.section-tight{padding:clamp(2rem,4vw,3rem) 0;}

.eyebrow{font-family:var(--font-sans);font-size:.78rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--petrol);
  margin:0 0 .9rem;display:flex;align-items:center;gap:.6rem;}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--amber);flex:none;}
.lead{font-size:1.16rem;color:var(--muted);max-width:62ch;}
.center{text-align:center;}
.center .eyebrow{justify-content:center;}
.center .lead{margin-inline:auto;}

/* --- Skip-Link (Barrierefreiheit) --------------------------------------- */
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;
  padding:.8rem 1.2rem;z-index:999;border-radius:0 0 var(--radius-sm) 0;}
.skip:focus{left:0;}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:4px;}

/* --- Kopfzeile ----------------------------------------------------------- */
.topbar{background:var(--ink);color:#C6D4D8;font-size:.86rem;}
.topbar .wrap{display:flex;gap:1.5rem;justify-content:flex-end;align-items:center;
  min-height:40px;flex-wrap:wrap;}
.topbar a{color:#C6D4D8;text-decoration:none;display:inline-flex;align-items:center;gap:.4rem;}
.topbar a:hover{color:#fff;}
.topbar svg{width:15px;height:15px;flex:none;}

.site-header{position:sticky;top:0;z-index:100;background:rgba(251,250,247,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;
  gap:1rem;min-height:76px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--ink);}
.brand svg{width:42px;height:42px;flex:none;}
.brand-text{display:block;}
.brand b{font-family:var(--font-serif);font-size:1.22rem;font-weight:700;
  display:block;line-height:1.15;letter-spacing:-.02em;white-space:nowrap;}
.brand small{display:block;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);font-weight:500;line-height:1.3;margin-top:.1rem;}

.nav{display:flex;align-items:center;gap:.25rem;}
.nav a{padding:.55rem .75rem;border-radius:var(--radius-sm);text-decoration:none;
  color:var(--ink);font-size:.95rem;font-weight:500;white-space:nowrap;}
.nav a:hover{background:var(--petrol-light);color:var(--petrol-dark);}
.nav a[aria-current="page"]{color:var(--petrol);font-weight:600;
  box-shadow:inset 0 -2px 0 var(--amber);}

/* Ausklappmenü Leistungen */
.has-sub{position:relative;}
.has-sub>button{font:inherit;font-size:.95rem;font-weight:500;color:var(--ink);
  background:none;border:0;cursor:pointer;padding:.55rem .75rem;border-radius:var(--radius-sm);
  display:inline-flex;align-items:center;gap:.35rem;}
.has-sub>button:hover{background:var(--petrol-light);color:var(--petrol-dark);}
.has-sub>button svg{width:11px;height:11px;transition:transform .2s;}
.has-sub[data-open="true"]>button svg{transform:rotate(180deg);}
.submenu{position:absolute;top:calc(100% + 6px);left:0;min-width:290px;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);
  padding:.5rem;display:none;}
.has-sub[data-open="true"] .submenu{display:block;}
.submenu a{display:block;padding:.6rem .7rem;font-size:.92rem;border-radius:var(--radius-sm);}
.submenu a small{display:block;color:var(--muted);font-size:.8rem;font-weight:400;margin-top:.1rem;}

.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius-sm);
  width:46px;height:44px;cursor:pointer;align-items:center;justify-content:center;}
.nav-toggle svg{width:22px;height:22px;}

/* --- Buttons ------------------------------------------------------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.5rem;border-radius:999px;font-weight:600;font-size:.98rem;
  text-decoration:none;border:1.5px solid transparent;cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
  font-family:var(--font-sans);line-height:1.2;text-align:center;}
.btn svg{width:17px;height:17px;flex:none;}
.btn-primary{background:var(--amber);color:#2A1B06;border-color:var(--amber);}
.btn-primary:hover{background:#B5721A;border-color:#B5721A;color:#2A1B06;
  transform:translateY(-1px);box-shadow:0 8px 20px rgba(200,129,31,.3);}
.btn-dark{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-dark:hover{background:var(--petrol-dark);border-color:var(--petrol-dark);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(12,29,36,.25);}
.btn-ghost:hover{border-color:var(--ink);background:rgba(12,29,36,.04);color:var(--ink);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;}
.btn-row{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.8rem;}
.center .btn-row{justify-content:center;}

/* --- Hero ---------------------------------------------------------------- */
.hero{position:relative;background:linear-gradient(150deg,var(--ink) 0%,var(--ink-soft) 55%,#1B4650 100%);
  color:#fff;overflow:hidden;padding:clamp(3.5rem,8vw,6rem) 0 clamp(3rem,7vw,5rem);}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:72px 72px;mask-image:radial-gradient(ellipse 85% 75% at 72% 25%,#000 10%,transparent 72%);}
.hero .wrap{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center;}
.hero h1{color:#fff;margin-bottom:.45em;}
.hero h1 em{font-style:normal;color:#F2B860;}
.hero p.lead{color:#CBD9DD;font-size:1.2rem;}
.hero .eyebrow{color:#7FC8D4;}
.hero-trust{display:flex;gap:1.6rem;flex-wrap:wrap;margin-top:2.4rem;
  padding-top:1.6rem;border-top:1px solid rgba(255,255,255,.14);}
.hero-trust div{display:flex;align-items:center;gap:.55rem;font-size:.92rem;color:#BFD2D7;}
.hero-trust svg{width:19px;height:19px;color:#5FB9C7;flex:none;}

/* Hero-Grafik: Glasscheibe mit Bruchbild */
.hero-visual{position:relative;}
.hero-visual svg{width:100%;height:auto;filter:drop-shadow(0 24px 50px rgba(0,0,0,.45));}

/* --- Karten -------------------------------------------------------------- */
.grid{display:grid;gap:1.4rem;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.7rem;box-shadow:var(--shadow);display:flex;flex-direction:column;}
.card h3{font-size:1.2rem;margin-bottom:.45rem;}
.card p{color:var(--muted);font-size:.97rem;margin-bottom:1rem;}
.card .more{margin-top:auto;font-weight:600;font-size:.93rem;text-decoration:none;
  display:inline-flex;align-items:center;gap:.4rem;}
.card .more svg{width:15px;height:15px;transition:transform .15s;}
a.card{text-decoration:none;color:inherit;transition:transform .18s ease,box-shadow .18s ease,border-color .18s;}
a.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#C9D6D8;color:inherit;}
a.card:hover .more svg{transform:translateX(3px);}

.icon-badge{width:50px;height:50px;border-radius:12px;background:var(--petrol-light);
  color:var(--petrol);display:flex;align-items:center;justify-content:center;margin-bottom:1.1rem;flex:none;}
.icon-badge svg{width:25px;height:25px;}
.icon-badge.amber{background:var(--amber-light);color:#9A6112;}

/* --- Zahlen / Vertrauensleiste ------------------------------------------ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;}
.stat{text-align:center;padding:1.4rem .8rem;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius);}
.stat b{display:block;font-family:var(--font-serif);font-size:2.2rem;color:var(--petrol);line-height:1;}
.stat span{display:block;font-size:.88rem;color:var(--muted);margin-top:.45rem;}

/* --- Ablauf (Zeitstrahl) ------------------------------------------------- */
.steps{counter-reset:s;display:grid;gap:1.1rem;}
.step{position:relative;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);padding:1.5rem 1.6rem 1.5rem 4.6rem;box-shadow:var(--shadow);}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:1.5rem;top:1.45rem;
  width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.95rem;
  font-family:var(--font-sans);}
.step h3{font-size:1.12rem;margin-bottom:.3rem;}
.step p{margin:0;color:var(--muted);font-size:.97rem;}

/* --- Dunkler Abschnitt --------------------------------------------------- */
.dark{background:var(--ink);color:#DCE6E9;}
.dark h2,.dark h3{color:#fff;}
.dark .lead{color:#AFC2C7;}
.dark .eyebrow{color:#7FC8D4;}
.dark .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12);box-shadow:none;}
.dark .card h3{color:#fff;}
.dark .card p{color:#AFC2C7;}
.dark a{color:#8FD3DE;}

/* --- Hinweisboxen -------------------------------------------------------- */
.note{border-left:4px solid var(--petrol);background:var(--petrol-light);
  padding:1.2rem 1.4rem;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:1.8rem 0;}
.note p:last-child{margin-bottom:0;}
.note.warn{border-color:var(--amber);background:var(--amber-light);}
.note h4{margin-bottom:.35rem;}

/* --- FAQ (Akkordeon) ----------------------------------------------------- */
.faq{border-top:1px solid var(--line);}
.faq details{border-bottom:1px solid var(--line);}
.faq summary{cursor:pointer;padding:1.25rem 2.5rem 1.25rem 0;font-weight:600;
  font-size:1.05rem;list-style:none;position:relative;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"";position:absolute;right:.4rem;top:1.55rem;width:11px;height:11px;
  border-right:2px solid var(--petrol);border-bottom:2px solid var(--petrol);
  transform:rotate(45deg);transition:transform .2s;}
.faq details[open] summary::after{transform:rotate(-135deg);top:1.75rem;}
.faq summary:hover{color:var(--petrol);}
.faq .answer{padding:0 2.5rem 1.4rem 0;color:var(--muted);}
.faq .answer p:last-child{margin-bottom:0;}

/* --- Tabellen ------------------------------------------------------------ */
.table-wrap{overflow-x:auto;margin:1.8rem 0;border:1px solid var(--line);
  border-radius:var(--radius);background:var(--white);}
table{width:100%;border-collapse:collapse;font-size:.96rem;}
th,td{padding:.9rem 1.1rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
th{background:var(--petrol-light);font-weight:600;color:var(--ink);font-size:.9rem;}
tr:last-child td{border-bottom:0;}

/* --- Formular ------------------------------------------------------------ */
.form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(1.5rem,4vw,2.4rem);box-shadow:var(--shadow);}
.field{margin-bottom:1.15rem;}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:.4rem;}
.field label .req{color:var(--amber);}
.field input,.field select,.field textarea{width:100%;padding:.8rem .95rem;font:inherit;
  font-size:.98rem;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  background:var(--paper);color:var(--ink);}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--petrol);
  outline:none;box-shadow:0 0 0 3px rgba(18,97,111,.13);}
.field textarea{min-height:150px;resize:vertical;}
.field small{display:block;color:var(--muted);font-size:.85rem;margin-top:.35rem;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1.15rem;}
.check{display:flex;gap:.7rem;align-items:flex-start;font-size:.9rem;color:var(--muted);}
.check input{width:auto;margin-top:.25rem;flex:none;}
.hp{position:absolute;left:-9999px;}

/* --- Kontaktkarte -------------------------------------------------------- */
.contact-card{background:var(--ink);color:#DCE6E9;border-radius:var(--radius);
  padding:clamp(1.5rem,4vw,2.2rem);}
.contact-card h3{color:#fff;}
.contact-list{list-style:none;padding:0;margin:0;}
.contact-list li{display:flex;gap:.9rem;align-items:flex-start;margin-bottom:1.1rem;font-size:.97rem;}
.contact-list svg{width:20px;height:20px;color:#5FB9C7;flex:none;margin-top:.15rem;}
.contact-list a{color:#fff;text-decoration:none;font-weight:500;}
.contact-list a:hover{color:#8FD3DE;text-decoration:underline;}
.contact-list span{color:#AFC2C7;font-size:.86rem;display:block;}

/* --- Regionen-Wolke ------------------------------------------------------ */
.pills{display:flex;flex-wrap:wrap;gap:.55rem;list-style:none;padding:0;margin:1.4rem 0 0;}
.pills li{background:var(--white);border:1px solid var(--line);border-radius:999px;
  padding:.4rem 1rem;font-size:.9rem;color:var(--muted);margin:0;}
.dark .pills li{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);color:#C6D4D8;}

/* --- CTA-Band ------------------------------------------------------------ */
.cta-band{background:linear-gradient(120deg,var(--petrol-dark),var(--ink));color:#fff;
  border-radius:var(--radius);padding:clamp(2rem,5vw,3.2rem);text-align:center;}
.cta-band h2{color:#fff;margin-bottom:.4em;}
.cta-band p{color:#C3D5D9;max-width:56ch;margin-inline:auto;}

/* --- Beitrags-/Artikeltext ---------------------------------------------- */
.prose{max-width:74ch;}
.prose h2{margin-top:2.4em;}
.prose h3{margin-top:1.8em;}
.prose>*:first-child{margin-top:0;}
.prose ul li::marker{color:var(--amber);}
.breadcrumb{font-size:.86rem;color:var(--muted);padding:1.1rem 0 0;}
.breadcrumb a{text-decoration:none;}
.breadcrumb a:hover{text-decoration:underline;}
.meta{font-size:.88rem;color:var(--muted);margin-bottom:1.6rem;}

/* --- Fußzeile ------------------------------------------------------------ */
.site-footer{background:var(--ink);color:#A8BCC2;padding:3.5rem 0 0;font-size:.94rem;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:2.2rem;padding-bottom:2.8rem;}
.site-footer h4{color:#fff;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;
  margin-bottom:1rem;font-weight:600;}
.site-footer ul{list-style:none;padding:0;margin:0;}
.site-footer li{margin-bottom:.55rem;}
.site-footer a{color:#A8BCC2;text-decoration:none;}
.site-footer a:hover{color:#fff;text-decoration:underline;}
.footer-brand svg{width:44px;height:44px;margin-bottom:.9rem;}
.footer-brand p{max-width:34ch;font-size:.92rem;line-height:1.6;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:1.4rem 0;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.87rem;}

/* --- Responsiv ----------------------------------------------------------- */
@media (max-width:1000px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:860px){
  .nav-toggle{display:flex;}
  .nav{position:fixed;inset:0 0 0 auto;width:min(340px,86vw);background:var(--white);
    flex-direction:column;align-items:stretch;padding:5.5rem 1.2rem 2rem;gap:.15rem;
    box-shadow:-8px 0 40px rgba(12,29,36,.2);transform:translateX(100%);
    transition:transform .25s ease,visibility .25s;overflow-y:auto;visibility:hidden;}
  .nav[data-open="true"]{transform:translateX(0);visibility:visible;}
  .nav a,.has-sub>button{padding:.85rem .8rem;font-size:1.02rem;width:100%;justify-content:space-between;}
  .submenu{position:static;display:block;box-shadow:none;border:0;border-left:2px solid var(--line);
    border-radius:0;margin:0 0 .4rem .8rem;padding:0 0 0 .5rem;min-width:0;}
  .submenu a{font-size:.94rem;padding:.55rem .5rem;}
  .nav .btn{margin-top:.8rem;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{max-width:440px;margin:1rem auto 0;}
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  body.nav-open{overflow:hidden;}
  .nav-close{position:absolute;top:1.1rem;right:1.1rem;background:none;border:0;cursor:pointer;
    width:42px;height:42px;display:flex;align-items:center;justify-content:center;}
  .nav-close svg{width:22px;height:22px;}
}
@media (min-width:861px){.nav-close{display:none;}}
@media (max-width:560px){
  body{font-size:16px;}
  .grid-4,.stats{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .field-row{grid-template-columns:1fr;}
  .topbar .wrap{justify-content:center;gap:1rem;}
  .btn{width:100%;}
  .btn-row{flex-direction:column;}
  .nav .btn{width:100%;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* --- Druck --------------------------------------------------------------- */
@media print{
  .site-header,.topbar,.site-footer,.btn,.nav-toggle{display:none!important;}
  body{background:#fff;font-size:11pt;}
  .hero{background:#fff;color:#000;}
  .hero h1,.hero p{color:#000;}
}