/* TB-Architektur — Tech-Konzept-Seite */

.tb-arch {
    --tb-a-fg: #0E0E2A;
    --tb-a-mut: #5b5b78;
    --tb-a-line: #e5e7ee;
    --tb-a-bg-alt: #f7f8fc;
    --tb-a-accent: #1919C8;
    --tb-a-accent-bg: rgba(25, 25, 200, 0.08);
    --tb-a-radius: 14px;
    color: var(--tb-a-fg);
    line-height: 1.6;
}

.tb-arch__hero {
    padding: clamp(48px, 8vw, 110px) 0 clamp(40px, 7vw, 80px);
    background:
        /* Circuit-/Grid-Pattern für Tech-Buyer-Atmosphäre */
        linear-gradient(rgba(25, 25, 200, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(25, 25, 200, 0.02) 1px, transparent 1px),
        linear-gradient(135deg, #fff 0%, var(--tb-a-bg-alt) 100%);
    background-size: 32px 32px, 32px 32px, 100% 100%;
    border-bottom: 1px solid var(--tb-a-line);
    position: relative;
    overflow: hidden;
}
.tb-arch__hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 100% 0%, rgba(25, 25, 200, 0.10) 0%, transparent 40%),
        radial-gradient(circle at 0% 100%, rgba(24, 198, 230, 0.10) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
}
.tb-arch__hero-inner { position: relative; z-index: 1; }
.tb-arch__hero-inner {
    max-width: 880px;
    margin: 0 auto;
    padding: 0 clamp(16px, 4vw, 32px);
}
.tb-arch__eyebrow {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--tb-a-accent);
    background: var(--tb-a-accent-bg);
    padding: 5px 13px;
    border-radius: 999px;
    font-weight: 700;
    margin-bottom: 18px;
}
.tb-arch__title {
    font-size: clamp(36px, 6vw, 64px);
    line-height: 1.05;
    margin: 0 0 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.tb-arch__title-accent { color: var(--tb-a-accent); }
.tb-arch__lead {
    font-size: clamp(17px, 1.6vw, 19px);
    color: var(--tb-a-mut);
    max-width: 760px;
    margin: 0 0 16px;
}
.tb-arch__lead strong { color: var(--tb-a-fg); }

.tb-arch__section {
    padding: clamp(48px, 7vw, 90px) clamp(16px, 4vw, 32px);
    max-width: 1180px;
    margin: 0 auto;
}
.tb-arch__section--alt {
    max-width: none;
    background: var(--tb-a-bg-alt);
    padding-left: 0;
    padding-right: 0;
}
.tb-arch__section--alt > * {
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
    padding-left: clamp(16px, 4vw, 32px);
    padding-right: clamp(16px, 4vw, 32px);
}
.tb-arch__h2 {
    font-size: clamp(26px, 3.5vw, 38px);
    margin: 0 0 14px;
    font-weight: 800;
    letter-spacing: -0.01em;
}
.tb-arch__h2--centered { text-align: center; }
.tb-arch__sub {
    color: var(--tb-a-mut);
    max-width: 720px;
    margin: 0 0 36px;
    font-size: clamp(15px, 1.4vw, 17px);
}

/* DATENFLUSS */
.tb-arch__flow {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: stretch;
    justify-content: center;
}
.tb-arch__flow-step {
    flex: 1 1 180px;
    max-width: 220px;
    background: #fff;
    border: 1px solid var(--tb-a-line);
    border-top: 4px solid var(--tb-a-accent);
    border-radius: var(--tb-a-radius);
    padding: 18px 16px 16px;
    text-align: center;
}
.tb-arch__flow-icon {
    font-size: 32px;
    margin-bottom: 8px;
    line-height: 1;
}
.tb-arch__flow-step h3 {
    font-size: 15px;
    font-weight: 800;
    margin: 0 0 6px;
}
.tb-arch__flow-step p {
    font-size: 13px;
    color: var(--tb-a-mut);
    margin: 0;
    line-height: 1.45;
}
.tb-arch__flow-step code {
    background: rgba(0,0,0,0.06);
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 11px;
}
.tb-arch__flow-arrow {
    align-self: center;
    color: var(--tb-a-accent);
    font-size: 22px;
    font-weight: 700;
}
@media (max-width: 760px) {
    .tb-arch__flow-arrow { transform: rotate(90deg); }
    .tb-arch__flow-step { max-width: none; flex-basis: 100%; }
}

/* PRINZIPIEN */
.tb-arch__principles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}
.tb-arch__principle {
    background: #fff;
    border: 1px solid var(--tb-a-line);
    border-radius: var(--tb-a-radius);
    padding: 24px 26px;
}
.tb-arch__principle-icon {
    font-size: 32px;
    margin-bottom: 10px;
    line-height: 1;
}
.tb-arch__principle h3 {
    font-size: 18px;
    font-weight: 800;
    margin: 0 0 10px;
    letter-spacing: -0.005em;
}
.tb-arch__principle p {
    margin: 0;
    color: var(--tb-a-fg);
    font-size: 14.5px;
    line-height: 1.6;
}
.tb-arch__principle code {
    background: rgba(0,0,0,0.06);
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 0.92em;
    font-family: ui-monospace, "SF Mono", Monaco, monospace;
}

/* PROOF */
.tb-arch__proof {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}
.tb-arch__proof-item {
    background: #fff;
    border: 1px solid var(--tb-a-line);
    border-left: 4px solid var(--tb-a-accent);
    border-radius: var(--tb-a-radius);
    padding: 20px 22px;
}
.tb-arch__proof-item h3 {
    font-size: 17px;
    font-weight: 800;
    margin: 0 0 8px;
}
.tb-arch__proof-item p {
    margin: 0 0 8px;
    font-size: 14.5px;
    line-height: 1.55;
}
.tb-arch__proof-stat {
    font-size: 13px;
    color: var(--tb-a-accent);
    font-weight: 600;
    border-top: 1px dashed var(--tb-a-line);
    padding-top: 8px !important;
    margin-top: 10px !important;
}
.tb-arch__proof-stat a {
    color: var(--tb-a-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* CTA */
.tb-arch__cta {
    text-align: center;
    padding: clamp(48px, 8vw, 100px) clamp(16px, 4vw, 32px);
    max-width: 800px;
    margin: 0 auto;
}
.tb-arch__cta-lead {
    color: var(--tb-a-mut);
    margin: 0 auto 28px;
    font-size: 16px;
    max-width: 640px;
}
.tb-arch__cta-row {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}
.tb-arch__btn {
    display: inline-block;
    padding: 12px 22px;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
    border: 1px solid var(--tb-a-line);
    color: var(--tb-a-fg);
    background: #fff;
    transition: transform 120ms ease, box-shadow 120ms ease;
}
.tb-arch__btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(14,14,42,0.08);
}
.tb-arch__btn--primary {
    background: var(--tb-a-accent);
    color: #fff;
    border-color: var(--tb-a-accent);
}
@media (prefers-reduced-motion: reduce) {
    .tb-arch__btn { transition: none; }
}