/* ===================================================================
   ArNi Solutions – Theme-Styles (Bootstrap 5 Basis)
   Dark-Navy / Blau Corporate-Design · responsive · lokal
=================================================================== */
:root{
    --arni-navy:#0b1f3a;
    --arni-navy-2:#0a1830;
    --arni-navy-3:#122c52;
    --arni-blue:#2b7cff;
    --arni-blue-2:#1f6feb;
    --arni-blue-d:#1556c9;
    --arni-ink:#0f1b2d;
    --arni-text:#41506a;
    --arni-muted:#7787a3;
    --arni-line:#e6ecf5;
    --arni-bg-alt:#f4f8fd;
    --arni-radius:18px;
    --arni-shadow:0 18px 48px rgba(15,30,60,.10);
    --arni-shadow-sm:0 8px 22px rgba(15,30,60,.08);
}
html{scroll-behavior:smooth}
body{
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
    color:var(--arni-text);
    background:#fff;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
h1,h2,h3{color:var(--arni-ink);font-weight:800;letter-spacing:-.02em}
a{text-decoration:none}
.text-arni{color:var(--arni-blue)!important}
.arni-skip{position:absolute;left:1rem;top:.5rem;z-index:2000;background:#fff;padding:.5rem .9rem;border-radius:8px}

/* ---------- Buttons ---------- */
.btn-arni{
    background:var(--arni-blue);border:1px solid var(--arni-blue);color:#fff;font-weight:700;
    border-radius:12px;padding:.7rem 1.4rem;box-shadow:0 10px 24px rgba(43,124,255,.30);
    transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
}
.btn-arni:hover{background:var(--arni-blue-d);border-color:var(--arni-blue-d);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(43,124,255,.40)}
.btn-arni:focus-visible{outline:3px solid rgba(43,124,255,.5);outline-offset:2px}
.btn-arni-ghost{
    background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.28);color:#fff;font-weight:700;
    border-radius:12px;padding:.7rem 1.4rem;transition:background .15s,border-color .15s,transform .15s;
}
.btn-arni-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-2px)}

/* ---------- Navigation ---------- */
.arni-nav{
    position:sticky;top:0;z-index:1030;
    background:rgba(11,31,58,.92);backdrop-filter:blur(10px);
    border-bottom:1px solid rgba(255,255,255,.06);transition:background .25s,box-shadow .25s;
}
.arni-nav.is-scrolled{background:rgba(8,22,44,.98);box-shadow:0 10px 30px rgba(0,0,0,.35)}
.arni-nav .navbar{padding-top:.7rem;padding-bottom:.7rem}
.arni-logo{height:42px;width:auto;display:block}
.arni-nav .nav-link{color:rgba(255,255,255,.82);font-weight:600;padding:.5rem .95rem;border-radius:8px;transition:color .15s,background .15s}
.arni-nav .nav-link:hover,.arni-nav .nav-link:focus{color:#fff;background:rgba(255,255,255,.06)}
.navbar-toggler{border:0;padding:.3rem}
.navbar-toggler:focus{box-shadow:none}
.arni-burger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:28px;height:24px}
.arni-burger span{display:block;height:2.5px;width:100%;background:#fff;border-radius:3px;transition:transform .25s,opacity .25s}
.navbar-toggler[aria-expanded="true"] .arni-burger span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.navbar-toggler[aria-expanded="true"] .arni-burger span:nth-child(2){opacity:0}
.navbar-toggler[aria-expanded="true"] .arni-burger span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
@media (max-width:991.98px){
    .arni-nav .navbar-collapse{background:rgba(8,22,44,.98);margin-top:.6rem;padding:1rem;border-radius:14px;border:1px solid rgba(255,255,255,.08)}
    .arni-nav .btn-arni{display:inline-block;width:100%;text-align:center}
}

/* ---------- Hero ---------- */
.arni-hero{position:relative;background:linear-gradient(160deg,#0c2244 0%,var(--arni-navy) 45%,var(--arni-navy-2) 100%);color:#fff;padding:clamp(3.5rem,8vw,7rem) 0 clamp(4rem,9vw,8rem);overflow:hidden}
.arni-hero-bg{position:absolute;inset:0;pointer-events:none;
    background:
        radial-gradient(620px 380px at 82% 18%,rgba(43,124,255,.28),transparent 60%),
        radial-gradient(480px 300px at 12% 90%,rgba(43,124,255,.14),transparent 60%);
}
.arni-hero .container{position:relative;z-index:1}
.arni-hero-title{font-size:clamp(2.1rem,4.6vw,3.6rem);line-height:1.08;color:#fff;margin-bottom:1.2rem}
.arni-hero-sub{font-size:clamp(1.02rem,1.5vw,1.18rem);color:rgba(255,255,255,.82);max-width:36rem;line-height:1.7;margin-bottom:2rem}
.arni-hero-cta{display:flex;flex-wrap:wrap;gap:.85rem}
.arni-hero-visual{display:flex;justify-content:center;align-items:center}
.arni-hero-svg{width:100%;max-width:520px;height:auto;filter:drop-shadow(0 30px 60px rgba(0,0,0,.45))}

/* ---------- Sections ---------- */
.arni-section{padding:clamp(3.5rem,7vw,6rem) 0}
.arni-section-alt{background:var(--arni-bg-alt)}
.arni-section-dark{background:linear-gradient(160deg,var(--arni-navy) 0%,var(--arni-navy-2) 100%);color:#fff}
.arni-head{max-width:46rem;margin:0 auto clamp(2rem,4vw,3rem)}
.arni-eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:800;color:var(--arni-blue);background:rgba(43,124,255,.10);padding:.35rem .8rem;border-radius:999px;margin-bottom:.9rem}
.arni-eyebrow-light{color:#bcd2ff;background:rgba(43,124,255,.18)}
.arni-h2{font-size:clamp(1.7rem,3.2vw,2.5rem);margin-bottom:.7rem}
.arni-h2::after{content:"";display:block;width:54px;height:4px;border-radius:4px;background:var(--arni-blue);margin:.9rem auto 0}
.arni-head.text-center .arni-h2::after{margin-left:auto;margin-right:auto}
.arni-section:not(.arni-section-dark) .arni-head:not(.text-center) .arni-h2::after{margin-left:0}
.arni-lead{font-size:1.06rem;color:var(--arni-muted);line-height:1.7;margin-bottom:0}
.arni-lead-light{color:rgba(255,255,255,.78)}

/* ---------- Cards (Leistungen) ---------- */
.arni-card{
    background:#fff;border:1px solid var(--arni-line);border-radius:var(--arni-radius);padding:1.8rem 1.5rem;
    box-shadow:var(--arni-shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.arni-card:hover{transform:translateY(-6px);box-shadow:var(--arni-shadow);border-color:rgba(43,124,255,.4)}
.arni-card-ico{width:58px;height:58px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:var(--arni-blue);
    background:linear-gradient(135deg,rgba(43,124,255,.14),rgba(43,124,255,.06));margin-bottom:1.1rem}
.arni-card-ico .arni-ico{width:30px;height:30px}
.arni-card-title{font-size:1.08rem;margin-bottom:.5rem;font-weight:700}
.arni-card-text{font-size:.94rem;color:var(--arni-text);line-height:1.6;margin:0}

/* ---------- Über uns / Checklist / Stats ---------- */
.arni-checklist{list-style:none;padding:0;margin:1.4rem 0 0}
.arni-checklist li{display:flex;gap:.7rem;align-items:flex-start;padding:.5rem 0;color:var(--arni-text);line-height:1.55}
.arni-checklist i{color:var(--arni-blue);margin-top:.2rem}
.arni-stats{margin:0}
.arni-stat{background:#fff;border:1px solid var(--arni-line);border-radius:var(--arni-radius);padding:1.6rem 1.2rem;text-align:center;box-shadow:var(--arni-shadow-sm);height:100%}
.arni-stat-num{display:block;font-size:2rem;font-weight:800;color:var(--arni-blue);line-height:1}
.arni-stat-label{display:block;margin-top:.45rem;font-size:.9rem;color:var(--arni-muted)}

/* ---------- Projekte ---------- */
.arni-project{background:#fff;border:1px solid var(--arni-line);border-radius:var(--arni-radius);padding:1.7rem 1.5rem;box-shadow:var(--arni-shadow-sm);transition:transform .2s,box-shadow .2s}
.arni-project:hover{transform:translateY(-6px);box-shadow:var(--arni-shadow)}
.arni-project-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}
.arni-project-ico{width:44px;height:44px;color:var(--arni-blue)}
.arni-project-link{font-size:.86rem;font-weight:700;color:var(--arni-blue)}
.arni-project-link:hover{color:var(--arni-blue-d)}
.arni-project-title{font-size:1.18rem;margin-bottom:.5rem}

/* ---------- Technologien ---------- */
.arni-techgrid{display:flex;flex-wrap:wrap;gap:.7rem;justify-content:center;max-width:54rem;margin:0 auto}
.arni-tech{display:inline-flex;align-items:center;font-weight:600;color:#dbe7ff;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);padding:.6rem 1.1rem;border-radius:999px;transition:transform .15s,background .15s,border-color .15s}
.arni-tech:hover{transform:translateY(-3px);background:rgba(43,124,255,.18);border-color:rgba(43,124,255,.5)}

/* ---------- Feature (Sicherheit/Hosting) ---------- */
.arni-feature{background:#fff;border:1px solid var(--arni-line);border-radius:var(--arni-radius);padding:1.6rem 1.4rem;box-shadow:var(--arni-shadow-sm);transition:transform .2s,box-shadow .2s}
.arni-feature:hover{transform:translateY(-5px);box-shadow:var(--arni-shadow)}

/* ---------- CTA ---------- */
.arni-cta{padding:clamp(3rem,6vw,5rem) 0;background:var(--arni-bg-alt)}
.arni-cta-box{background:linear-gradient(135deg,var(--arni-blue) 0%,var(--arni-blue-d) 100%);border-radius:26px;padding:clamp(2.2rem,5vw,3.6rem);text-align:center;color:#fff;box-shadow:0 26px 60px rgba(43,124,255,.35);position:relative;overflow:hidden}
.arni-cta-box::after{content:"";position:absolute;inset:0;background:radial-gradient(420px 200px at 85% 10%,rgba(255,255,255,.18),transparent 60%);pointer-events:none}
.arni-cta-title{color:#fff;font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:.8rem;position:relative}
.arni-cta-text{color:rgba(255,255,255,.92);max-width:44rem;margin:0 auto 1.8rem;line-height:1.7;position:relative}
.arni-cta-actions{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;align-items:center;position:relative}
.arni-cta .btn-arni{background:#fff;color:var(--arni-blue-d);border-color:#fff;box-shadow:0 12px 28px rgba(0,0,0,.18)}
.arni-cta .btn-arni:hover{background:#eef4ff;color:var(--arni-blue-d)}
.arni-cta-mail{color:#fff;font-weight:700;opacity:.95}
.arni-cta-mail:hover{color:#fff;text-decoration:underline}

/* ---------- Footer ---------- */
.arni-footer{background:var(--arni-navy-2);color:rgba(255,255,255,.72);padding:3.2rem 0 1.6rem}
.arni-footer .arni-logo{filter:brightness(0) invert(1);opacity:.95}
.arni-footer-text{font-size:.92rem;line-height:1.7;max-width:24rem}
.arni-footer-head{color:#fff;font-size:1rem;font-weight:700;margin-bottom:1rem}
.arni-footer-list{list-style:none;padding:0;margin:0}
.arni-footer-list li{margin-bottom:.55rem}
.arni-footer-list a{color:rgba(255,255,255,.72);font-size:.92rem;transition:color .15s}
.arni-footer-list a:hover{color:var(--arni-blue)}
.arni-footer-bottom{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.10);margin-top:2.4rem;padding-top:1.4rem;font-size:.85rem}

/* ---------- Reveal-Animation ---------- */
.arni-reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.arni-reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    .arni-reveal{opacity:1;transform:none;transition:none}
    .arni-card:hover,.arni-project:hover,.arni-feature:hover,.btn-arni:hover{transform:none}
}

/* =====================================================================
   Mehrseitiger Ausbau – Subseiten, Hero, Breadcrumb, Prosa, Steps, FAQ
   ===================================================================== */

/* ---------- Navigation: Dropdown ---------- */
.arni-dropdown{border:1px solid var(--arni-line);border-radius:14px;box-shadow:var(--arni-shadow);padding:.5rem;margin-top:.6rem;min-width:240px}
.arni-dropdown .dropdown-item{border-radius:9px;padding:.55rem .8rem;font-weight:600;color:var(--arni-ink)}
.arni-dropdown .dropdown-item:hover,.arni-dropdown .dropdown-item.active{background:rgba(43,124,255,.10);color:var(--arni-blue)}
.arni-nav .nav-link.active{color:var(--arni-blue)}

/* ---------- Subseiten-Hero ---------- */
.arni-subhero{position:relative;background:linear-gradient(160deg,#0c2244 0%,var(--arni-navy) 55%,var(--arni-navy-2) 100%);color:#fff;padding:clamp(2.6rem,6vw,4.6rem) 0 clamp(2.8rem,6vw,4.4rem);overflow:hidden}
.arni-subhero .container{position:relative;z-index:1}
.arni-subhero-title{font-size:clamp(1.8rem,4vw,3rem);line-height:1.12;color:#fff;margin:.6rem 0 1rem;max-width:24ch}
.arni-subhero-sub{font-size:clamp(1rem,1.4vw,1.15rem);color:rgba(255,255,255,.82);max-width:46rem;line-height:1.7;margin-bottom:1.6rem}

/* ---------- Breadcrumb ---------- */
.arni-breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;padding:0;margin:0 0 .4rem;font-size:.85rem}
.arni-breadcrumb li+li::before{content:"/";margin-right:.5rem;color:rgba(255,255,255,.4)}
.arni-breadcrumb a{color:rgba(255,255,255,.7);text-decoration:none}
.arni-breadcrumb a:hover{color:#fff}
.arni-breadcrumb span{color:#bcd2ff}

/* ---------- Prosa (Langtext / SEO-Content) ---------- */
.arni-prose{color:var(--arni-text);font-size:1.04rem;line-height:1.8}
.arni-prose-wide{max-width:50rem}
.arni-prose h2{color:var(--arni-ink)}
.arni-prose h3{color:var(--arni-ink);font-size:1.25rem;margin:2rem 0 .7rem}
.arni-prose p{margin-bottom:1.1rem}
.arni-prose strong{color:var(--arni-ink)}
.arni-prose a{color:var(--arni-blue);text-decoration:underline;text-underline-offset:2px}
.arni-prose a:hover{color:var(--arni-blue-d)}
.arni-prose .arni-h2::after{margin-left:0}

/* ---------- Info-Panel (Sidebar-Box) ---------- */
.arni-panel{background:#fff;border:1px solid var(--arni-line);border-radius:var(--arni-radius);padding:1.7rem 1.6rem;box-shadow:var(--arni-shadow)}
.arni-panel-title{font-size:1.12rem;color:var(--arni-ink);margin-bottom:1.1rem}
.arni-panel .arni-checklist{margin:0}

/* ---------- Checklist (hell) ---------- */
.arni-checklist-light li{color:rgba(255,255,255,.86)}
.arni-checklist-light i{color:#7fb0ff}

/* ---------- Prozess-Schritte ---------- */
.arni-steps{list-style:none;counter-reset:step;padding:0;margin:0;display:flex;flex-direction:column;gap:1.1rem}
.arni-step{display:flex;gap:1.1rem;align-items:flex-start;background:#fff;border:1px solid var(--arni-line);border-radius:var(--arni-radius);padding:1.25rem 1.4rem;box-shadow:var(--arni-shadow-sm)}
.arni-step-num{flex:0 0 auto;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;background:linear-gradient(160deg,var(--arni-blue),var(--arni-blue-d))}
.arni-step-title{font-size:1.1rem;color:var(--arni-ink);margin:.15rem 0 .35rem}
.arni-step-text{color:var(--arni-text);margin:0;line-height:1.65}

/* ---------- Karten als Link ---------- */
.arni-card-link{text-decoration:none;color:inherit;position:relative}
.arni-card-link:hover{transform:translateY(-4px);box-shadow:var(--arni-shadow);border-color:rgba(43,124,255,.35)}
.arni-card-more{display:inline-flex;align-items:center;gap:.4rem;margin-top:.9rem;font-weight:700;color:var(--arni-blue)}
.arni-card-link:hover .arni-card-more i{transform:translateX(4px)}
.arni-card-more i{transition:transform .2s ease}

/* ---------- FAQ-Accordion ---------- */
.arni-accordion{max-width:50rem;margin:0 auto}
.arni-accordion .accordion-item{border:1px solid var(--arni-line);border-radius:var(--arni-radius)!important;margin-bottom:.8rem;overflow:hidden;background:#fff}
.arni-accordion .accordion-button{font-weight:700;color:var(--arni-ink);background:#fff;padding:1.1rem 1.3rem}
.arni-accordion .accordion-button:not(.collapsed){color:var(--arni-blue);background:rgba(43,124,255,.06);box-shadow:none}
.arni-accordion .accordion-button:focus{box-shadow:0 0 0 .2rem rgba(43,124,255,.18)}
.arni-accordion .accordion-button::after{background-size:1.1rem}
.arni-accordion .accordion-body{color:var(--arni-text);line-height:1.75;padding:0 1.3rem 1.2rem}

/* ---------- Kontakt ---------- */
.arni-contact-list{list-style:none;padding:0;margin:1.4rem 0}
.arni-contact-list li{display:flex;gap:1rem;align-items:flex-start;padding:.8rem 0;border-bottom:1px solid var(--arni-line)}
.arni-contact-list li:last-child{border-bottom:0}
.arni-contact-list i{flex:0 0 auto;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:rgba(43,124,255,.10);color:var(--arni-blue)}
.arni-contact-list span{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--arni-muted);font-weight:700}
.arni-contact-list a{color:var(--arni-ink);font-weight:600;text-decoration:none}
.arni-contact-list a:hover{color:var(--arni-blue)}
.arni-form .form-label{font-weight:600;color:var(--arni-ink);font-size:.9rem}
.arni-form .form-control,.arni-form .form-select{border:1px solid var(--arni-line);border-radius:11px;padding:.7rem .9rem}
.arni-form .form-control:focus,.arni-form .form-select:focus{border-color:var(--arni-blue);box-shadow:0 0 0 .2rem rgba(43,124,255,.15)}
.arni-form-note{font-size:.82rem;color:var(--arni-muted);margin-top:.8rem;margin-bottom:0;text-align:center}