/*
Theme Name: Hollmann Engineering
Theme URI: https://hollmann-engineering.de/
Author: Hollmann Engineering
Description: Individuelles, DSGVO-freundliches WordPress-Theme für Hollmann Engineering – Prozessanalyse (MTM/REFA), Cardboard Engineering sowie Vorrichtungskonstruktion und -fertigung. Neutrale, leicht anpassbare Texte (über den Customizer editierbar), Farben an der Siemens-Palette orientiert, SEO- und GEO-optimiert (strukturierte Daten, FAQ). Ohne externe Fonts/CDNs.
Version: 1.2.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: hollmann-engineering
*/

/* ============================================================
   DESIGN TOKENS  –  Standardfarben (im Customizer überschreibbar)
   ============================================================ */
:root{
  --petrol:#009999;          /* Siemens Petrol – Primär/Signal */
  --deep:#000028;            /* Siemens Deep Blue – dunkle Flächen */
  --deep-2:#001a4d;          /* etwas aufgehelltes Navy für Verläufe */
  --teal:#005159;            /* dunkles Teal – Linien/Akzente auf Dunkel */
  --light-petrol:#00c1b6;

  --ink:#141726;
  --paper:#f5f6f5;
  --paper-2:#eceeee;
  --line:#d8dcdd;
  --muted:#5c6670;
  --on-dark:#eef3f4;
  --on-dark-dim:#9fb6bf;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --wrap:1180px;
  --gutter:clamp(1.25rem,4vw,3rem);
  --radius:3px;

  --step-hero:clamp(2.3rem,1.4rem + 4vw,4.3rem);
  --step-h2:clamp(1.65rem,1.2rem + 2vw,2.5rem);
  --step-h3:clamp(1.1rem,1rem + .55vw,1.35rem);
  --step-body:clamp(1rem,.96rem + .2vw,1.08rem);
}

/* Hover-/Aktiv-Töne werden aus der Primärfarbe abgeleitet – ein Farbwert genügt */
:root{
  --petrol-hover:color-mix(in srgb, var(--petrol), #000 16%);
  --petrol-soft:color-mix(in srgb, var(--petrol), #fff 88%);
}

/* ============================================================ BASE */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);font-size:var(--step-body);line-height:1.65;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{line-height:1.12;letter-spacing:-.015em;font-weight:750;margin:0}
p{margin:0 0 1rem}
ul{margin:0 0 1rem;padding:0 0 0 1.1rem}
li{margin:.3rem 0}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(3.5rem,7vw,6.5rem)}

.eyebrow{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);display:inline-flex;align-items:center;gap:.6rem;margin:0 0 1rem}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--petrol);display:inline-block}
.on-dark .eyebrow{color:var(--on-dark-dim)}
.lead{font-size:clamp(1.1rem,1rem + .5vw,1.3rem);max-width:62ch}

/* ============================================================ BUTTONS */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--font-mono);font-size:.82rem;letter-spacing:.06em;text-decoration:none;font-weight:600;padding:.85rem 1.4rem;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;transition:transform .12s ease, background .18s ease, border-color .18s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--petrol);color:#fff;border-color:var(--petrol)}
.btn-primary:hover{background:var(--petrol-hover);border-color:var(--petrol-hover)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.on-dark .btn-ghost{color:var(--on-dark);border-color:rgba(255,255,255,.3)}
.on-dark .btn-ghost:hover{border-color:var(--on-dark)}
.btn .arrow{transition:transform .15s ease}
.btn:hover .arrow{transform:translateX(3px)}

/* ============================================================ HEADER */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb, var(--paper) 88%, transparent);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:70px}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--ink)}
.brand img{max-height:44px;width:auto}
.brand .brand-name{font-weight:800;letter-spacing:-.02em;font-size:1.05rem}
.brand .brand-sub{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;display:block;margin-top:2px}
.primary-nav ul{display:flex;gap:1.6rem;list-style:none;margin:0;padding:0;align-items:center}
.primary-nav a{text-decoration:none;font-size:.95rem;padding:.4rem 0;position:relative}
.primary-nav a::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--petrol);transition:width .2s ease}
.primary-nav a:hover::after,.primary-nav .current-menu-item a::after{width:100%}
.nav-cta{margin-left:.4rem}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);padding:.5rem .6rem;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);margin:4px 0}
@media (max-width:900px){
  .nav-toggle{display:block}
  .primary-nav{position:absolute;top:100%;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height .28s ease}
  .primary-nav.open{max-height:75vh}
  .primary-nav ul{flex-direction:column;align-items:flex-start;gap:0;padding:1rem var(--gutter)}
  .primary-nav li{width:100%;border-bottom:1px solid var(--line)}
  .primary-nav li:last-child{border-bottom:0}
  .primary-nav a{display:block;padding:.9rem 0;width:100%}
  .nav-cta{margin:.6rem 0}
}

/* ============================================================ HERO */
.hero{position:relative;color:var(--on-dark);background:linear-gradient(160deg, var(--deep-2), var(--deep) 70%);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(0,193,182,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(0,193,182,.10) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(180deg,#000 55%,transparent 100%)}
.hero .wrap{position:relative;padding-block:clamp(4rem,9vw,7rem)}
.hero-inner{max-width:840px}
.hero h1{font-size:var(--step-hero);letter-spacing:-.025em;margin:.4rem 0 1.1rem}
.hero .hero-sub{font-size:clamp(1.05rem,1rem + .6vw,1.3rem);color:var(--on-dark-dim);max-width:64ch;margin-bottom:2rem}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap}
.hero-tags{margin-top:2.6rem;padding-top:1.1rem;border-top:1px solid rgba(0,193,182,.28);display:flex;gap:1.6rem;flex-wrap:wrap;font-family:var(--font-mono);font-size:.76rem;letter-spacing:.06em;color:var(--on-dark-dim)}
.hero-tags span{display:inline-flex;align-items:center;gap:.5rem}
.hero-tags span::before{content:"";width:7px;height:7px;background:var(--petrol);border-radius:50%}

/* ============================================================ ENTITY */
.entity{background:var(--paper-2);border-bottom:1px solid var(--line)}
.entity .wrap{padding-block:clamp(2.4rem,4vw,3.4rem)}
.entity p{font-size:clamp(1.1rem,1rem + .6vw,1.38rem);line-height:1.5;max-width:76ch;margin:0}
.entity strong{font-weight:750}

/* ============================================================ SERVICES (Spektrum, 4 gleichwertig) */
.section-head{max-width:62ch;margin-bottom:2.6rem}
.section-head h2{font-size:var(--step-h2);margin-bottom:.7rem}
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem}
@media (max-width:1000px){.services-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.services-grid{grid-template-columns:1fr}}
.service{background:#fff;border:1px solid var(--line);border-top:3px solid var(--petrol);border-radius:var(--radius);padding:1.5rem 1.4rem;display:flex;flex-direction:column;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}
.service:hover{transform:translateY(-3px);box-shadow:0 10px 30px -18px rgba(0,0,40,.35)}
.service .tag{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--petrol);margin-bottom:.9rem}
.service .icon{width:36px;height:36px;color:var(--deep);margin-bottom:.9rem}
.service h3{font-size:var(--step-h3);margin-bottom:.5rem}
.service p{font-size:.96rem;color:var(--ink)}

/* ============================================================ USP (dark) */
.usp{background:var(--deep);color:var(--on-dark)}
.usp h2{font-size:var(--step-h2);max-width:24ch;margin-bottom:1rem}
.usp .lead{color:var(--on-dark-dim);max-width:68ch}
.usp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.6rem}
@media (max-width:820px){.usp-grid{grid-template-columns:1fr}}
.usp-item{border-top:1px solid rgba(0,193,182,.35);padding-top:1rem}
.usp-item h4{font-size:1.05rem;margin-bottom:.4rem;color:#fff}
.usp-item p{color:var(--on-dark-dim);font-size:.96rem;margin:0}

/* ============================================================ AUDIENCE strip */
.audience .wrap{display:flex;flex-wrap:wrap;align-items:baseline;gap:.8rem 2.2rem}
.audience h2{font-size:var(--step-h3);margin-right:1rem}
.audience ul{display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;list-style:none;padding:0;margin:0;font-family:var(--font-mono);font-size:.9rem;color:var(--muted)}
.audience li{display:inline-flex;align-items:center;gap:.5rem}
.audience li::before{content:"";width:8px;height:8px;border:1px solid var(--petrol);transform:rotate(45deg)}

/* ============================================================ ÜBER / VERTRAUEN */
.about-card{display:grid;grid-template-columns:200px 1fr;gap:2rem;align-items:start;background:#fff;border:1px solid var(--line);border-left:3px solid var(--petrol);border-radius:var(--radius);padding:2rem;max-width:920px}
@media (max-width:640px){.about-card{grid-template-columns:1fr;gap:1.2rem;padding:1.4rem}}
.about-photo{width:200px;aspect-ratio:1;background:var(--paper-2);border-radius:var(--radius);overflow:hidden;display:flex;align-items:center;justify-content:center}
@media (max-width:640px){.about-photo{width:120px}}
.about-photo img{width:100%;height:100%;object-fit:cover}
.about-initials{font-family:var(--font-mono);font-size:3rem;font-weight:700;color:var(--petrol);letter-spacing:.05em}
.about-body h3{font-size:var(--step-h3);margin-bottom:.2rem}
.about-role{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:1rem}
.about-team{border-top:1px solid var(--line);padding-top:1rem;margin-top:1rem;color:var(--muted);font-size:.95rem}

/* ============================================================ FAQ */
.faq{background:var(--paper-2)}
.faq-list{max-width:820px;margin-top:1.6rem}
.faq details{border-bottom:1px solid var(--line);padding:.4rem 0}
.faq summary{cursor:pointer;list-style:none;padding:1rem 2rem 1rem 0;position:relative;font-weight:650;font-size:1.05rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:.2rem;top:.9rem;font-family:var(--font-mono);color:var(--petrol);font-size:1.3rem;transition:transform .2s ease}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:.2rem 0 1.1rem;max-width:72ch}

/* ============================================================ CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.6rem}
@media (max-width:820px){.contact-grid{grid-template-columns:1fr;gap:1.8rem}}
.contact h2{font-size:var(--step-h2);margin-bottom:.8rem}
.contact-info{font-family:var(--font-mono);font-size:.92rem;line-height:2}
.contact-info a{color:var(--petrol);text-decoration:none}
.contact-info a:hover{color:var(--petrol-hover)}
.contact-info .label{color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-size:.7rem;display:block;margin-top:1.1rem}
form.he-form{display:grid;gap:.9rem}
.he-form label{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:.3rem}
.he-form input,.he-form textarea{width:100%;font-family:var(--font-sans);font-size:1rem;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:.8rem .9rem}
.he-form input:focus,.he-form textarea:focus{outline:2px solid var(--petrol);outline-offset:1px;border-color:var(--petrol)}
.he-form textarea{min-height:130px;resize:vertical}
.he-form .hp{position:absolute;left:-9999px}
.form-note{font-size:.85rem;color:var(--muted)}
.form-status{padding:.9rem 1rem;border-radius:var(--radius);font-size:.95rem;margin-bottom:1rem}
.form-status.ok{background:var(--petrol-soft);border:1px solid var(--light-petrol);color:var(--teal)}
.form-status.err{background:#fbeceb;border:1px solid #e6bfbc;color:#8a2b23}
.consent-line{font-size:.82rem;color:var(--muted)}
.consent-line a{color:var(--petrol)}

/* ============================================================ FOOTER */
.site-footer{background:var(--deep);color:var(--on-dark-dim)}
.site-footer .wrap{padding-block:3rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr;gap:1.4rem}}
.site-footer h5{color:#fff;font-size:.8rem;font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;margin:0 0 .9rem}
.site-footer a{color:var(--on-dark-dim);text-decoration:none}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none;padding:0;margin:0;line-height:2}
.footer-brand p{max-width:38ch;font-size:.92rem}
.footer-bottom{border-top:1px solid rgba(0,193,182,.25);margin-top:2rem;padding-top:1.4rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.82rem}

/* ============================================================ REVEAL + A11Y */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
:focus-visible{outline:2px solid var(--petrol);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--deep);color:#fff;padding:.7rem 1rem;z-index:100}
.skip-link:focus{left:0}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.reveal{opacity:1;transform:none;transition:none}.btn,.service{transition:none}}

/* Generische Seiten */
.entry-content{max-width:74ch}
.entry-content h2{font-size:var(--step-h2);margin:2rem 0 .8rem}
.entry-content h3{font-size:var(--step-h3);margin:1.6rem 0 .6rem}