/*
Theme Name: AIIT Node
Theme URI: https://www.aiit-node.com
Author: AIIT Node GmbH
Author URI: https://www.aiit-node.com
Description: Maßgeschneidertes, DSGVO-konformes Theme für die AIIT Node GmbH (Berlin). Zweisprachig Deutsch/Englisch, keine externen Requests, keine Tracker, keine Web-Fonts von Drittanbietern. Slogan: "We write the Future".
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: aiit-node
Tags: business, technology, custom-colors, custom-menu, custom-logo, translation-ready, two-columns, full-width-template, blog
*/

/* =========================================================================
   1. Design-Tokens
   ========================================================================= */
:root{
  --navy-900:#071427;
  --navy-800:#0a1b33;
  --navy-700:#0e2647;
  --navy-600:#143156;
  --gold:#c9a227;
  --gold-300:#e7c86b;
  --gold-tint:rgba(201,162,39,.12);
  --ink:#0e1726;
  --ink-soft:#33404f;
  --muted:#5b6675;
  --line:#e4e7ec;
  --paper:#ffffff;
  --paper-2:#f6f8fb;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(7,20,39,.06),0 1px 3px rgba(7,20,39,.05);
  --shadow-md:0 10px 30px -12px rgba(7,20,39,.18);
  --shadow-lg:0 30px 60px -20px rgba(7,20,39,.28);
  --container:1180px;
  --gutter:clamp(20px,5vw,48px);
  --section-y:clamp(68px,10vw,128px);
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}

/* =========================================================================
   2. Reset / Basis
   ========================================================================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:clamp(1rem,.96rem + .2vw,1.075rem);
  line-height:1.65;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:var(--navy-700);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--gold)}
h1,h2,h3,h4{line-height:1.15;font-weight:800;letter-spacing:-.02em;color:var(--ink);margin:0 0 .5em}
h1{font-size:clamp(2.2rem,1.6rem + 3vw,3.6rem)}
h2{font-size:clamp(1.8rem,1.4rem + 2vw,2.7rem)}
h3{font-size:clamp(1.2rem,1.1rem + .6vw,1.45rem);letter-spacing:-.01em}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.2em}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px;border-radius:4px}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap;border:0;padding:0;margin:-1px}
.skip-link{position:fixed;top:-60px;left:12px;z-index:999;background:var(--navy-800);color:#fff;padding:10px 16px;border-radius:8px;transition:top .2s}
.skip-link:focus{top:12px;color:#fff}

/* =========================================================================
   3. Layout-Helfer
   ========================================================================= */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:var(--section-y)}
.section--tight{padding-block:clamp(48px,7vw,84px)}
.section-head{max-width:62ch;margin-bottom:clamp(32px,5vw,56px)}
.section-head.center{margin-inline:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:.55em;
  font-size:.78rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold);margin-bottom:1rem;
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor}
.center .eyebrow::after{content:"";width:26px;height:1px;background:currentColor}
.lead{font-size:clamp(1.1rem,1rem + .5vw,1.3rem);color:var(--ink-soft);line-height:1.6}

/* =========================================================================
   4. Buttons
   ========================================================================= */
.btn{
  --bg:var(--gold);--fg:var(--navy-900);--bd:var(--gold);
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  padding:.9em 1.6em;border-radius:999px;
  font-weight:700;font-size:.98rem;letter-spacing:.01em;
  background:var(--bg);color:var(--fg);border:1.5px solid var(--bd);
  cursor:pointer;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s,color .18s;
  text-decoration:none;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);color:var(--navy-900)}
.btn svg{width:1.05em;height:1.05em}
.btn--ghost{--bg:transparent;--fg:var(--ink);--bd:var(--line)}
.btn--ghost:hover{--bd:var(--gold);color:var(--ink)}
.btn--on-dark{--bg:transparent;--fg:#fff;--bd:rgba(255,255,255,.35)}
.btn--on-dark:hover{--bd:var(--gold-300);color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:2rem}

/* =========================================================================
   5. Header
   ========================================================================= */
.site-header{
  position:sticky;top:0;z-index:100;
  background:transparent;
  transition:background .3s,box-shadow .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.site-header .container{display:flex;align-items:center;gap:24px;min-height:76px}
.site-brand{display:flex;align-items:center;flex-shrink:0}
.site-brand img{height:44px;width:auto}
.site-brand .logo--dark{display:none}
.primary-nav{margin-left:auto}
.primary-nav ul{list-style:none;display:flex;gap:28px;margin:0;padding:0}
.primary-nav a{
  color:#fff;text-decoration:none;font-weight:600;font-size:.97rem;
  padding:6px 0;position:relative;transition:color .2s;
}
.primary-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--gold-300);transition:right .25s var(--ease)}
.primary-nav a:hover::after,.primary-nav .current-menu-item > a::after{right:0}
.lang-switch{display:flex;align-items:center;gap:6px;font-weight:700;font-size:.85rem;letter-spacing:.04em}
.lang-switch a{color:rgba(255,255,255,.6);text-decoration:none;padding:4px 6px;border-radius:6px}
.lang-switch a.is-active{color:#fff;background:rgba(255,255,255,.14)}
.lang-switch span{color:rgba(255,255,255,.3)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:.25s}

/* Solid header (scrolled) + inner pages */
.site-header.is-solid,
body:not(.home) .site-header{
  background:var(--paper);
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-sm);
}
.site-header.is-solid .site-brand .logo--light,
body:not(.home) .site-header .site-brand .logo--light{display:none}
.site-header.is-solid .site-brand .logo--dark,
body:not(.home) .site-header .site-brand .logo--dark{display:block}
.site-header.is-solid .primary-nav a,
body:not(.home) .site-header .primary-nav a{color:var(--ink)}
.site-header.is-solid .nav-toggle span,
body:not(.home) .site-header .nav-toggle span{background:var(--ink)}
.site-header.is-solid .lang-switch a,
body:not(.home) .site-header .lang-switch a{color:var(--muted)}
.site-header.is-solid .lang-switch a.is-active,
body:not(.home) .site-header .lang-switch a.is-active{color:var(--ink);background:var(--gold-tint)}
.site-header.is-solid .lang-switch span,
body:not(.home) .site-header .lang-switch span{color:var(--line)}

@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);
    padding:8px var(--gutter) 20px;margin:0;
    display:none;box-shadow:var(--shadow-md);
  }
  .primary-nav.is-open{display:block}
  .primary-nav ul{flex-direction:column;gap:0}
  .primary-nav li{border-bottom:1px solid var(--line)}
  .primary-nav li:last-child{border-bottom:0}
  .primary-nav a{color:var(--ink)!important;display:block;padding:14px 0}
  .primary-nav a::after{display:none}
  .lang-switch{margin-left:auto}
}

/* =========================================================================
   6. Hero
   ========================================================================= */
.hero{
  position:relative;
  margin-top:-76px;padding-top:calc(76px + clamp(60px,11vw,120px));
  padding-bottom:clamp(72px,12vw,140px);
  background:radial-gradient(120% 90% at 15% 0%,var(--navy-700) 0%,var(--navy-800) 45%,var(--navy-900) 100%);
  color:#fff;overflow:hidden;
}
.hero__grid{
  position:absolute;inset:0;
  background-image:url("assets/img/hero-pattern.svg");
  background-size:min(80vw,760px);background-position:top right;background-repeat:no-repeat;
  opacity:.6;
  -webkit-mask-image:radial-gradient(70% 65% at 82% 12%,#000,transparent 70%);
          mask-image:radial-gradient(70% 65% at 82% 12%,#000,transparent 70%);
}
.hero .container{position:relative}
.hero__inner{max-width:60ch}
.hero .eyebrow{color:var(--gold-300)}
.hero__slogan{
  color:#fff;
  font-size:clamp(2.6rem,1.3rem + 6vw,5.4rem);
  font-weight:800;line-height:1.03;letter-spacing:-.03em;
  margin:0 0 .35em;
}
.hero__slogan .accent{
  color:transparent;background:linear-gradient(120deg,var(--gold-300),var(--gold));
  -webkit-background-clip:text;background-clip:text;
}
.hero__gloss{
  display:block;font-size:clamp(.9rem,.8rem + .4vw,1.05rem);
  font-weight:600;letter-spacing:.32em;text-transform:uppercase;
  color:rgba(255,255,255,.55);margin-bottom:1.6rem;
}
.hero__text{font-size:clamp(1.05rem,1rem + .5vw,1.28rem);color:rgba(255,255,255,.82);max-width:52ch}
.hero__meta{
  display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:2.4rem;
  font-size:.9rem;color:rgba(255,255,255,.6);
}
.hero__meta span{display:inline-flex;align-items:center;gap:.5em}
.hero__meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold-300)}

/* =========================================================================
   7. Marquee / Trust strip
   ========================================================================= */
.strip{background:var(--navy-900);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.06)}
.strip .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px 34px;padding-block:22px;font-size:.86rem;letter-spacing:.06em;text-transform:uppercase}
.strip strong{color:var(--gold-300);font-weight:700}

/* =========================================================================
   8. Services
   ========================================================================= */
.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:22px}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;position:relative;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.card__icon{
  width:52px;height:52px;border-radius:12px;
  display:grid;place-items:center;margin-bottom:20px;
  background:var(--gold-tint);color:var(--gold);
}
.card__icon svg{width:26px;height:26px}
.card h3{margin-bottom:.4em}
.card p{color:var(--muted);font-size:.98rem;margin:0}
.card__no{position:absolute;top:24px;right:26px;font-size:.8rem;font-weight:700;color:var(--line)}

/* =========================================================================
   9. Approach
   ========================================================================= */
.approach{background:var(--paper-2);border-block:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:28px 32px;counter-reset:step}
.step{position:relative;padding-top:54px}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;top:0;left:0;line-height:1;
  font-size:1.6rem;font-weight:800;color:var(--gold);letter-spacing:-.02em;
}
.step::after{content:"";position:absolute;top:34px;left:2px;width:34px;height:2px;background:var(--gold);opacity:.4}
.step h3{margin-bottom:.35em}
.step p{color:var(--muted);font-size:.97rem;margin:0}

/* =========================================================================
   10. Slogan band
   ========================================================================= */
.slogan-band{
  background:var(--navy-800);color:#fff;text-align:center;position:relative;overflow:hidden;
  padding-block:clamp(64px,10vw,120px);
}
.slogan-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("assets/img/hero-pattern.svg");background-size:520px;opacity:.35;
  -webkit-mask-image:radial-gradient(60% 100% at 50% 50%,#000,transparent);
          mask-image:radial-gradient(60% 100% at 50% 50%,#000,transparent);
}
.slogan-band .container{position:relative}
.slogan-band__eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.28em;text-transform:uppercase;color:var(--gold-300);margin-bottom:1rem}
.slogan-band__title{
  font-size:clamp(2.2rem,1.2rem + 5vw,4.6rem);font-weight:800;letter-spacing:-.03em;line-height:1.05;margin:0 0 .4em;
}
.slogan-band__title .accent{color:transparent;background:linear-gradient(120deg,var(--gold-300),var(--gold));-webkit-background-clip:text;background-clip:text}
.slogan-band__sub{color:rgba(255,255,255,.62);letter-spacing:.06em;margin:0}

/* =========================================================================
   11. About
   ========================================================================= */
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,6vw,72px);align-items:start}
@media (max-width:860px){.about-grid{grid-template-columns:1fr}}
.about-copy p{color:var(--ink-soft)}
.facts{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper);box-shadow:var(--shadow-sm)}
.facts dl{margin:0}
.facts .row{display:grid;grid-template-columns:1fr 1.3fr;gap:12px;padding:16px 22px;border-bottom:1px solid var(--line)}
.facts .row:last-child{border-bottom:0}
.facts dt{color:var(--muted);font-size:.85rem;font-weight:600;letter-spacing:.02em;margin:0}
.facts dd{margin:0;font-weight:600;font-size:.92rem;color:var(--ink)}

/* =========================================================================
   12. Contact
   ========================================================================= */
.contact{background:var(--navy-800);color:#fff}
.contact .eyebrow{color:var(--gold-300)}
.contact h2{color:#fff}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,6vw,64px)}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}
.contact-info p{color:rgba(255,255,255,.78)}
.contact-info a{color:#fff}
.contact-info a:hover{color:var(--gold-300)}
.contact-list{list-style:none;padding:0;margin:1.6rem 0 0;display:grid;gap:18px}
.contact-list li{display:flex;gap:14px;align-items:flex-start}
.contact-list .ico{flex-shrink:0;width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center;color:var(--gold-300)}
.contact-list .ico svg{width:18px;height:18px}
.contact-list .lbl{display:block;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:2px}

/* Form */
.aiit-form{background:var(--paper);color:var(--ink);border-radius:var(--radius);padding:clamp(24px,4vw,38px);box-shadow:var(--shadow-lg)}
.aiit-form .fld{margin-bottom:18px}
.aiit-form label{display:block;font-weight:600;font-size:.9rem;margin-bottom:7px}
.aiit-form input,.aiit-form textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font:inherit;color:var(--ink);background:var(--paper-2);transition:border-color .2s,background .2s;
}
.aiit-form input:focus,.aiit-form textarea:focus{outline:none;border-color:var(--gold);background:#fff}
.aiit-form textarea{min-height:130px;resize:vertical}
.aiit-form .consent{display:flex;gap:10px;align-items:flex-start;font-size:.86rem;color:var(--muted)}
.aiit-form .consent input{width:auto;margin-top:3px;flex-shrink:0}
.aiit-form .hp{position:absolute;left:-9999px}
.form-note{font-size:.82rem;color:var(--muted);margin-top:14px}
.form-status{padding:12px 16px;border-radius:var(--radius-sm);margin-bottom:18px;font-size:.92rem;font-weight:600}
.form-status.ok{background:#e7f6ec;color:#1c6b3a;border:1px solid #b6e2c4}
.form-status.err{background:#fdecec;color:#a12626;border:1px solid #f3c3c3}

/* =========================================================================
   13. Footer
   ========================================================================= */
.site-footer{background:var(--navy-900);color:rgba(255,255,255,.66);padding-block:clamp(48px,7vw,80px) 28px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
@media (max-width:760px){.footer-top{grid-template-columns:1fr;gap:32px}}
.site-footer img{height:40px;margin-bottom:18px}
.site-footer .tagline{font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-300);font-size:.78rem;margin:0 0 12px}
.site-footer h4{color:#fff;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin:0 0 16px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.site-footer a{color:rgba(255,255,255,.66);text-decoration:none}
.site-footer a:hover{color:var(--gold-300)}
.footer-bottom{
  margin-top:clamp(36px,5vw,56px);padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:.82rem;color:rgba(255,255,255,.45);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap}

/* =========================================================================
   14. Inhalts-Seiten (Impressum, Datenschutz, Blog)
   ========================================================================= */
.page-hero{background:var(--paper-2);border-bottom:1px solid var(--line);padding-block:clamp(48px,8vw,90px) clamp(36px,5vw,56px)}
.page-hero .eyebrow{color:var(--gold)}
.prose{max-width:74ch}
.prose h2{margin-top:2em;font-size:clamp(1.4rem,1.2rem + 1vw,1.8rem)}
.prose h3{margin-top:1.6em}
.prose ul{padding-left:1.3em}
.prose li{margin-bottom:.4em}
.prose a{color:var(--navy-700);text-decoration:underline}
.prose table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.95rem}
.prose th,.prose td{text-align:left;padding:10px 12px;border:1px solid var(--line);vertical-align:top}
.prose code{background:var(--paper-2);padding:2px 6px;border-radius:5px;font-size:.9em}
.legal-toc{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;margin-bottom:2.5em}
.legal-toc ol{margin:.5em 0 0;padding-left:1.4em}
.legal-toc a{text-decoration:none}
.updated{color:var(--muted);font-size:.88rem}

/* Reveal animation – nur wenn JS aktiv ist, damit Inhalte sonst immer sichtbar bleiben */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none}}