/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --blue:       #009FE3;
    --blue-dark:  #0077B6;
    --blue-light: #E8F6FD;
    --navy:       #1A1F36;
    --gray:       #6B7280;
    --gray-light: #F3F4F6;
    --white:      #FFFFFF;
    --radius:     8px;
    --shadow:     0 4px 24px rgba(0,159,227,.12);
    --transition: .3s ease;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--navy);
    background: var(--white);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ─── Accessibility: Fokus-Stile für Tastaturnavigation ─── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 2px;
    border-radius: 3px;
}

/* ─── Utility ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}
.btn-primary {
    background: var(--blue);
    color: var(--white);
}
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,159,227,.35); }

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,.6);
}
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: var(--white); }

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--blue);
    background: var(--blue-light);
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 14px;
}

h2.section-title {
    font-size: clamp(26px, 4vw, 38px);
    font-weight: 700;
    color: var(--navy);
    line-height: 1.25;
    margin-bottom: 16px;
}

.section-lead {
    font-size: 17px;
    color: var(--gray);
    max-width: 600px;
}

section { padding: 96px 0; }

/* ─── TOP BAR ─── */
.topbar {
    background: var(--navy);
    color: rgba(255,255,255,.75);
    font-size: 13px;
    padding: 8px 0;
}
.topbar .inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.topbar a { color: var(--blue); }
.topbar a:hover { color: #fff; }
.topbar-links { display: flex; gap: 20px; }

/* ─── HEADER / NAV ─── */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--white);
    border-bottom: 1px solid rgba(0,0,0,.07);
    box-shadow: 0 2px 12px rgba(0,0,0,.06);
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}

.nav-logo img { height: 44px; width: auto; }

.nav-links {
    display: flex;
    list-style: none;
    gap: 4px;
    align-items: center;
}

.nav-links a {
    display: block;
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--navy);
    border-radius: var(--radius);
    transition: var(--transition);
}
.nav-links a:hover { color: var(--blue); background: var(--blue-light); }
.nav-links a.active { color: var(--blue); font-weight: 600; }

.nav-cta { margin-left: 8px; }

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
}
.burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--navy);
    border-radius: 2px;
    transition: var(--transition);
}

/* ─── HERO ─── */
.hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--navy) 0%, #0d2d50 55%, #004e8c 100%);
    color: var(--white);
    padding: 120px 0 100px;
    min-height: 580px;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23009FE3' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
    opacity: 1;
}

#heroCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.hero-blob {
    position: absolute;
    right: -100px;
    top: -100px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0,159,227,.25) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: 680px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--blue);
    background: rgba(0,159,227,.15);
    border: 1px solid rgba(0,159,227,.3);
    padding: 5px 16px;
    border-radius: 20px;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(34px, 5.5vw, 60px);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 22px;
}

.hero h1 span { color: var(--blue); }

.hero p {
    font-size: 18px;
    line-height: 1.75;
    color: rgba(255,255,255,.8);
    margin-bottom: 36px;
    max-width: 540px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 60px;
    flex-wrap: wrap;
}

.stat { border-left: 3px solid var(--blue); padding-left: 16px; }
.stat-num { font-size: 32px; font-weight: 800; color: var(--white); }
.stat-label { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 2px; }

/* ─── SERVICES ─── */
#leistungen { background: var(--gray-light); }

.services-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 56px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--white);
    border-radius: 14px;
    padding: 36px 30px;
    border: 1px solid rgba(0,0,0,.06);
    box-shadow: 0 2px 12px rgba(0,0,0,.04);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--blue);
    transform: scaleX(0);
    transition: var(--transition);
    transform-origin: left;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: rgba(0,159,227,.2);
}
.service-card:hover::after { transform: scaleX(1); }

.service-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--blue-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon svg { width: 26px; height: 26px; color: var(--blue); }

.service-card h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--navy);
}

.service-card p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.65;
}

/* ─── WHY US ─── */
.whyus-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.whyus-visual { position: relative; }

.whyus-img-wrap {
    border-radius: 20px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--navy) 0%, #004e8c 100%);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.whyus-img-inner {
    text-align: center;
    color: white;
}

.whyus-img-inner img { width: 180px; margin: 0 auto 20px; filter: brightness(0) invert(1); opacity: .85; }
.whyus-img-inner p { font-size: 16px; color: rgba(255,255,255,.7); }

.whyus-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--blue);
    color: white;
    border-radius: 14px;
    padding: 18px 22px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0,159,227,.4);
}
.whyus-badge strong { display: block; font-size: 28px; font-weight: 800; }
.whyus-badge span { font-size: 12px; opacity: .85; }

.feature-list { list-style: none; margin-top: 32px; display: flex; flex-direction: column; gap: 18px; }

.feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-check {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--blue-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

.feature-check svg { width: 14px; height: 14px; color: var(--blue); }

.feature-item h4 { font-size: 16px; font-weight: 600; margin-bottom: 3px; }
.feature-item p { font-size: 14px; color: var(--gray); }

/* ─── PARTNERS ─── */
#partner { background: var(--gray-light); }

.partners-header { text-align: center; margin-bottom: 56px; }
.partners-header .section-lead { margin: 0 auto; }

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 16px;
}

.partner-card {
    background: var(--white);
    border-radius: 12px;
    padding: 22px 20px;
    border: 1px solid rgba(0,0,0,.07);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
    color: var(--gray);
    letter-spacing: .03em;
    transition: var(--transition);
    text-align: center;
    min-height: 72px;
}

.partner-card:hover {
    color: var(--blue);
    border-color: rgba(0,159,227,.3);
    box-shadow: 0 4px 16px rgba(0,159,227,.12);
    transform: translateY(-3px);
}

/* ─── SICHERHEITSHINWEISE (RSS) ─── */
#sicherheit { background: var(--white); }

.rss-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.rss-card {
    background: var(--gray-light);
    border-radius: 14px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.rss-card:hover {
    border-color: var(--blue);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,.07);
}

.rss-card-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--blue);
    font-weight: 600;
    letter-spacing: .03em;
}

.rss-card-title {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.45;
    color: var(--navy);
}

.rss-card-title a {
    color: inherit;
    text-decoration: none;
}

.rss-card-title a:hover { color: var(--blue); }

.rss-card-summary {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.6;
    flex: 1;
}

.rss-card-more {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    font-weight: 600;
    color: var(--blue);
    text-decoration: none;
    margin-top: auto;
}

.rss-card-more:hover { gap: 8px; }

.rss-loading {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--gray);
    padding: 40px;
    font-size: 14px;
}

.rss-spinner {
    animation: spin 1.2s linear infinite;
    color: var(--blue);
}

@keyframes spin { to { transform: rotate(360deg); } }

.rss-error {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--gray);
    padding: 40px;
    font-size: 14px;
}

.rss-source {
    margin-top: 20px;
    font-size: 12px;
    color: var(--gray);
    text-align: right;
}

.rss-source a { color: var(--blue); text-decoration: none; }

@media (max-width: 900px) {
    .rss-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
    .rss-grid { grid-template-columns: 1fr; }
}

/* ─── REMOTE / CLOUD ─── */
.quick-links { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

.quick-card {
    border-radius: 16px;
    padding: 40px 36px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    overflow: hidden;
}

.quick-card.blue {
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
    color: white;
}

.quick-card.dark {
    background: linear-gradient(135deg, var(--navy) 0%, #0d2d50 100%);
    color: white;
}

.quick-card h3 { font-size: 24px; font-weight: 700; }
.quick-card p { font-size: 15px; opacity: .85; line-height: 1.65; }

.quick-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(255,255,255,.15);
    display: flex;
    align-items: center;
    justify-content: center;
}
.quick-icon svg { width: 28px; height: 28px; color: white; }

.quick-card .btn-quick {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: white;
    background: rgba(255,255,255,.15);
    border: 1px solid rgba(255,255,255,.25);
    padding: 10px 22px;
    border-radius: var(--radius);
    transition: var(--transition);
    width: fit-content;
    margin-top: auto;
}
.quick-card .btn-quick:hover { background: rgba(255,255,255,.25); }

/* ─── CONTACT ─── */
#kontakt { background: var(--navy); color: white; }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-info h2 { color: white; }
.contact-info .section-tag { background: rgba(0,159,227,.2); color: var(--blue); }

.contact-info p { color: rgba(255,255,255,.7); max-width: 440px; margin-top: 8px; }

.contact-items { margin-top: 40px; display: flex; flex-direction: column; gap: 24px; }

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-item-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(0,159,227,.2);
    border: 1px solid rgba(0,159,227,.3);
    display: flex;
    align-items: center;
    justify-content: center;
}
.contact-item-icon svg { width: 20px; height: 20px; color: var(--blue); }

.contact-item-text { font-size: 15px; }
.contact-item-text strong { display: block; color: white; font-weight: 600; margin-bottom: 2px; }
.contact-item-text span { color: rgba(255,255,255,.65); }
.contact-item-text a { color: var(--blue); }
.contact-item-text a:hover { color: white; }

.contact-form-wrap {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 16px;
    padding: 36px;
}

.contact-form-wrap h3 { color: white; font-size: 20px; margin-bottom: 24px; }

.form-group { margin-bottom: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

label { display: block; font-size: 13px; font-weight: 600; color: rgba(255,255,255,.7); margin-bottom: 6px; }

input, textarea, select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: var(--radius);
    color: white;
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

input::placeholder, textarea::placeholder { color: rgba(255,255,255,.35); }
input:focus, textarea:focus { border-color: var(--blue); background: rgba(0,159,227,.08); box-shadow: 0 0 0 3px rgba(0,159,227,.15); }

textarea { resize: vertical; min-height: 100px; }

select option { background: var(--navy); }

.form-submit { margin-top: 8px; }
.form-submit .btn-primary { width: 100%; justify-content: center; padding: 14px; }

/* ─── FOOTER ─── */
footer { background: #0f1628; color: rgba(255,255,255,.55); font-size: 14px; padding: 60px 0 0; }

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-brand img { height: 40px; margin-bottom: 16px; filter: brightness(0) invert(1); opacity: .85; }
.footer-brand p { line-height: 1.7; }

.footer-col h4 { color: white; font-size: 14px; font-weight: 700; margin-bottom: 16px; letter-spacing: .05em; text-transform: uppercase; }

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { color: rgba(255,255,255,.55); transition: var(--transition); }
.footer-col ul a:hover { color: var(--blue); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 22px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { color: rgba(255,255,255,.5); }
.footer-bottom-links a:hover { color: var(--blue); }

/* ─── MOBILE NAV ─── */
.mobile-nav {
    display: none;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: white;
    z-index: 200;
    padding: 24px;
    gap: 8px;
    overflow-y: auto;
}

.mobile-nav.open { display: flex; }

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.mobile-nav-header img { height: 36px; }

.close-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    border: 1px solid rgba(0,0,0,.1);
    background: none;
    cursor: pointer;
    font-size: 20px;
}

.mobile-nav a {
    display: block;
    padding: 14px 16px;
    font-size: 16px;
    font-weight: 500;
    color: var(--navy);
    border-radius: var(--radius);
    transition: var(--transition);
}
.mobile-nav a:hover { background: var(--blue-light); color: var(--blue); }
.mobile-nav .btn-primary { margin-top: 16px; justify-content: center; }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
    .nav-links, .nav-cta { display: none; }
    .burger { display: flex; }

    .whyus-grid { grid-template-columns: 1fr; }
    .whyus-visual { display: none; }

    .quick-links { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }

    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .footer-brand { grid-column: 1/-1; }
}

@media (max-width: 600px) {
    section { padding: 64px 0; }
    .hero { padding: 80px 0 64px; min-height: auto; }
    .hero-stats { gap: 24px; }
    .hero-actions { flex-direction: column; }
    .services-header { flex-direction: column; align-items: flex-start; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .form-row { grid-template-columns: 1fr; }
}

/* ─── SCROLL ANIMATION ─── */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

.fade-up:nth-child(2) { transition-delay: .1s; }
.fade-up:nth-child(3) { transition-delay: .2s; }
.fade-up:nth-child(4) { transition-delay: .3s; }
.fade-up:nth-child(5) { transition-delay: .4s; }
.fade-up:nth-child(6) { transition-delay: .5s; }
.fade-up:nth-child(7) { transition-delay: .6s; }
.fade-up:nth-child(8) { transition-delay: .7s; }

/* ─── PRINT ─── */
@media print {
    .topbar, header, .mobile-nav, footer { display: none; }
    body { font-size: 12pt; color: #000; }
}