:root {
    --ink: #0f172a; /* very dark slate */
    --text: #0f172a;
    --muted: #475569; /* slate-600 */
    --muted2: #64748b; /* slate-500 */
    --line: #e2e8f0; /* slate-200 */
    --bg: #f8fafc; /* slate-50 */
    --card: #ffffff;
    --accent: #0f172a; /* keep it restrained */
    --accent2: #1e293b; /* slate-800 */
    --soft: rgba(15, 23, 42, .06);
    --soft2: rgba(15, 23, 42, .10);
    --nav-offset: 120px;
    --radius: 18px;
}

html {
    scroll-behavior: smooth;
}

a {
    color: var(--text);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: radial-gradient(1200px 600px at 15% 10%, #ffffff 0%, var(--bg) 60%),
    radial-gradient(900px 500px at 90% 0%, #eef2ff 0%, var(--bg) 55%);
    color: var(--text);
    line-height: 1.75;
}

.container {
    max-width: 980px;
}

/* Top bar */
.topbar {
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(248, 250, 252, .75);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(226, 232, 240, .7);
    min-height: 72px;
}


.brand {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    text-decoration: none;
    color: var(--ink);
}

.brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(145deg, var(--ink), #111827);
    box-shadow: 0 10px 25px var(--soft);
    position: relative;
    overflow: hidden;
}

.brand-mark:before {
    content: "";
    position: absolute;
    inset: -40%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, .20), transparent 55%);
    transform: rotate(15deg);
}

.brand-name {
    font-weight: 600;
    letter-spacing: -0.02em;
}

.brand-tag {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.70rem;
    color: var(--muted2);
    font-weight: 500;
}

.nav-link {
    color: var(--muted);
    font-size: 0.95rem;
    padding: .4rem .6rem;
    border-radius: 10px;
}

.nav-link:hover {
    color: var(--ink);
    background: rgba(15, 23, 42, .04);
}

/* Hero */
.hero {
    margin-top: 2.0rem;
    margin-bottom: 3.2rem;
    background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
    border: 1px solid rgba(226, 232, 240, .8);
    border-radius: var(--radius);
    padding: 3.2rem 3rem;
    box-shadow: 0 20px 50px var(--soft);
    position: relative;
    overflow: hidden;
}

.hero:after {
    content: "";
    position: absolute;
    right: -120px;
    top: -160px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(15, 23, 42, .09), transparent 60%);
    filter: blur(0.2px);
    pointer-events: none;
}

.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    padding: .40rem .75rem;
    border-radius: 999px;
    border: 1px solid rgba(226, 232, 240, .9);
    background: rgba(248, 250, 252, .7);
    color: var(--muted);
    font-size: .9rem;
}

h1 {
    font-weight: 600;
    letter-spacing: -0.03em;
    margin-top: 1.1rem;
}

.lead {
    font-size: 1.12rem;
    color: var(--muted);
    margin-top: 1rem;
}

.quote {
    border-left: 4px solid var(--ink);
    padding-left: 1rem;
    margin: 1.8rem 0 1.2rem 0;
    font-weight: 500;
}

.cta-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 1.3rem;
}

.btn-primary {
    background: var(--ink);
    border: none;
    padding: .85rem 1.25rem;
    border-radius: 14px;
    font-weight: 500;
    color: #ffffff;
    box-shadow: 0 12px 25px rgba(15, 23, 42, .18);
    transition: background-color .15s ease,
    box-shadow .15s ease,
    transform .06s ease;
}

.btn-primary:hover {
    background: #020617;
    box-shadow: 0 14px 30px rgba(15, 23, 42, .22);
}

.btn-primary:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(15, 23, 42, .18),
    0 12px 25px rgba(15, 23, 42, .18);
}

.btn-primary:active,
.btn-primary.active,
.show > .btn-primary {
    color: #ffffff !important;
    background-color: #020617 !important;
    border-color: #020617 !important;
    box-shadow: 0 6px 14px rgba(15, 23, 42, .22) !important;
    transform: translateY(1px);
}

.btn-outline-dark {
    border-radius: 14px;
    padding: .85rem 1.1rem;
    border: 1px solid rgba(15, 23, 42, .25);
    color: var(--ink);
    background: rgba(255, 255, 255, .6);
    box-shadow: 0 6px 16px rgba(15, 23, 42, .06);
    transition: background-color .15s ease,
    border-color .15s ease,
    box-shadow .15s ease,
    transform .06s ease;
}

.btn-outline-dark:hover {
    background-color: rgba(15, 23, 42, .04);
    border-color: rgba(15, 23, 42, .45);
    box-shadow: 0 8px 20px rgba(15, 23, 42, .10);
    color: var(--ink);
}

.btn-outline-dark:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(15, 23, 42, .14),
    0 6px 16px rgba(15, 23, 42, .08);
}

.btn-outline-dark:active,
.btn-outline-dark.active,
.show > .btn-outline-dark {
    color: var(--ink) !important;
    background-color: rgba(15, 23, 42, .06) !important;
    border-color: rgba(15, 23, 42, .55) !important;
    box-shadow: 0 4px 10px rgba(15, 23, 42, .12) !important;
    transform: translateY(1px);
}

.btn:active,
.btn.active,
.btn.show,
.btn:focus:active {
    background-image: none !important;
}

.btn {
    -webkit-tap-highlight-color: transparent;
}

.btn:focus,
.btn:focus-visible {
    outline: none !important;
}

.micro {
    color: var(--muted2);
    font-size: .9rem;
}

/* Cards */
.section {
    margin: 4.2rem 0;
}

.section-title {
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-sub {
    color: var(--muted);
    margin-bottom: 1.5rem;
}

.cardx {
    background: var(--card);
    border: 1px solid rgba(226, 232, 240, .85);
    border-radius: var(--radius);
    padding: 2.2rem;
    box-shadow: 0 16px 40px var(--soft);
}

.badge-soft {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    background: rgba(15, 23, 42, .04);
    border: 1px solid rgba(15, 23, 42, .08);
    color: var(--muted);
    padding: .35rem .65rem;
    border-radius: 999px;
    font-size: .85rem;
}

.signal {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.1rem 1.1rem;
    border-radius: 14px;
    border: 1px solid rgba(226, 232, 240, .9);
    background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
}

.signal i {
    font-size: 1.15rem;
    color: var(--ink);
    margin-top: .1rem;
}

.signal p {
    margin: 0;
    color: var(--muted);
}

.signal strong {
    color: var(--ink);
    font-weight: 600;
}

/* Timeline */
.timeline {
    border-left: 2px solid rgba(226, 232, 240, .95);
    padding-left: 1.25rem;
    margin-top: 1.25rem;
}

.step {
    position: relative;
    padding-bottom: 1.5rem;
}

.step:last-child {
    padding-bottom: 0;
}

.step:before {
    content: "";
    position: absolute;
    left: -1.67rem;
    top: .2rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--ink);
    box-shadow: 0 0 0 4px rgba(15, 23, 42, .08);
}

.step-title {
    font-weight: 600;
    margin-bottom: .25rem;
}

.step p {
    margin: 0;
    color: var(--muted);
}

/* FAQ */
.accordion-button {
    font-weight: 600;
    color: var(--ink);
    background: #fff;
}

.accordion-button:not(.collapsed) {
    color: var(--ink);
    background: rgba(15, 23, 42, .03);
    box-shadow: none;
}

.accordion-item {
    border: 1px solid rgba(226, 232, 240, .95);
    border-radius: 14px !important;
    overflow: hidden;
    box-shadow: 0 10px 25px var(--soft);
}

.accordion-item + .accordion-item {
    margin-top: .9rem;
}

/* =========================
Footer – Clean Executive
========================= */

.footer-clean {
    margin-top: 5rem;
    padding: 3.5rem 0 3rem;
    border-top: 1px solid rgba(226, 232, 240, .9);
    background: linear-gradient(
            180deg,
            rgba(248, 250, 252, 0.6) 0%,
            rgba(248, 250, 252, 1) 100%
    );
}

.footer-inner {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2.5rem;
}

.footer-brand {
    max-width: 420px;
}

.footer-description {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--muted2);
    line-height: 1.6;
}

.footer-contact {
    align-self: start;
}

.footer-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: .14em;
    color: rgba(71, 85, 105, .9);
    margin-bottom: .4rem;
}

.footer-mail {
    font-size: 0.95rem;
    color: var(--ink);
    text-decoration: none;
    font-weight: 500;
}

.footer-mail:hover {
    text-decoration: underline;
}

.footer-legal {
    grid-column: 1 / -1;
    padding-top: 1.2rem;
    border-top: 1px solid rgba(226, 232, 240, .8);
    font-size: 0.75rem;
    color: rgba(100, 116, 139, .95);
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
}

.footer-legal a {
    color: rgba(100, 116, 139, .95);
    text-decoration: none;
}

.footer-legal a:hover {
    text-decoration: underline;
}

/* Mobile */
@media (max-width: 768px) {
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* Anchor Offset für Sticky Navbar */
section[id], main#top {
    scroll-margin-top: var(--nav-offset);
}

/* =========================
   LeaderSignals – Wordmark
   Navbar & Footer
   ========================= */

.logo-wordmark {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1;
    color: var(--ink);
    display: inline-flex;
    align-items: baseline;
}

/* Differenzierung im Namen */
.logo-wordmark .leader {
    font-weight: 700;
}

.logo-wordmark .signals {
    font-weight: 500;
    color: rgba(15, 23, 42, .82);
}

/* Navbar-spezifisch */
.logo-wordmark.navbar {
    font-size: 1.02rem;
}

/* Footer-spezifisch */
.logo-wordmark.footer {
    font-size: 0.95rem;
}

/* Claim unter dem Logo */
.logo-claim {
    margin-top: .18rem;
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .14em;
    color: rgba(71, 85, 105, .95);
    line-height: 1.2;
}

/* Optional: Hover nur in Navbar (sehr subtil) */
a.logo-link {
    text-decoration: none;
}

a.logo-link:hover .signals {
    color: rgba(15, 23, 42, .95);
}