/* ===== Proofwerk Holding – Minimalist Platform Provider Style ===== */

:root {
    --pw-dark: #0F2A3A;
    --pw-teal: #1FA6A0;
    --pw-teal-dark: #178781;
    --pw-text: #1c2b33;
    --pw-muted: #5b6b73;
    --pw-border: #e6eaec;
    --pw-bg-gray: #f7f8f9;
}

* { box-sizing: border-box; }

html, body.holding-body {
    height: 100%;
}

.holding-body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--pw-text);
    background: #ffffff;
    line-height: 1.5;
}

.holding-body > main {
    flex: 1 0 auto;
}

.holding-body > .holding-footer {
    flex-shrink: 0;
}

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

/* Header */
.holding-header {
    border-bottom: 1px solid var(--pw-border);
    background: #ffffff;
}

.holding-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.holding-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--pw-text);
    font-weight: 700;
    font-size: 1.1rem;
}

.holding-logo { width: 30px; height: 30px; }

.holding-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.6);
    border: 1px solid var(--pw-border);
    border-radius: 10px;
    color: var(--pw-text);
    cursor: pointer;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: background 0.2s ease, transform 0.2s ease;
}

.holding-menu-toggle:hover {
    background: rgba(31, 166, 160, 0.12);
    transform: translateY(-1px);
}

/* Fullscreen menu overlay */
.holding-menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(15, 42, 58, 0.45);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    justify-content: flex-end;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.holding-menu-overlay.open {
    opacity: 1;
    visibility: visible;
}

.holding-menu-panel {
    position: relative;
    width: min(340px, 86vw);
    height: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border-left: 1px solid rgba(255,255,255,0.5);
    box-shadow: -20px 0 60px rgba(15, 42, 58, 0.25);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transform: translateX(24px);
    transition: transform 0.25s ease;
}

.holding-menu-overlay.open .holding-menu-panel {
    transform: translateX(0);
}

.holding-menu-close {
    align-self: flex-end;
    background: none;
    border: none;
    color: var(--pw-text);
    cursor: pointer;
    margin-bottom: 20px;
}

.holding-menu-link {
    padding: 14px 8px;
    color: var(--pw-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--pw-border);
    transition: color 0.15s ease;
}

.holding-menu-link:hover { color: var(--pw-teal-dark); }

.holding-menu-link-primary {
    color: #fff;
    background: linear-gradient(120deg, var(--pw-teal), var(--pw-teal-dark));
    border-radius: 8px;
    border-bottom: none;
    text-align: center;
    margin-bottom: 10px;
}

.holding-menu-link-primary:hover { color: #fff; opacity: 0.92; }

/* Hero */
.pw-hero {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
    min-height: 560px;
    background: linear-gradient(120deg, #ffffff 45%, #eef1f2 100%);
    overflow: hidden;
}

.pw-hero-content {
    padding: 80px 0 80px 24px;
    max-width: 560px;
    margin-left: auto;
    position: relative;
    z-index: 2;
}

.pw-hero-eyebrow {
    display: inline-block;
    color: var(--pw-teal-dark);
    font-weight: 700;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.pw-hero-title {
    font-size: 2.7rem;
    line-height: 1.15;
    font-weight: 800;
    margin: 0 0 22px;
    color: var(--pw-text);
}

.pw-hero-subtitle {
    font-size: 1.05rem;
    color: var(--pw-muted);
    margin: 0 0 36px;
    max-width: 460px;
}

.pw-hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    border: 1.5px solid var(--pw-text);
    border-radius: 4px;
    color: var(--pw-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: all 0.2s ease;
}

.pw-hero-cta:hover {
    background: var(--pw-text);
    color: #fff;
}

.pw-hero-visual {
    position: relative;
    height: 100%;
    min-height: 560px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pw-cube-wrap {
    width: 320px;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 30px 40px rgba(15, 42, 58, 0.15));
    background: rgba(255, 255, 255, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 24px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.pw-cube-wrap svg { width: 100%; height: 100%; }

/* Features Section */
.pw-features {
    background: var(--pw-bg-gray);
    padding: 64px 0;
    border-top: 1px solid var(--pw-border);
}

.pw-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.pw-feature {
    position: relative;
    padding-left: 4px;
}

.pw-feature-icon {
    color: var(--pw-teal-dark);
    margin-bottom: 18px;
}

.pw-feature h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0 0 10px;
    color: var(--pw-text);
}

.pw-feature p {
    font-size: 0.9rem;
    color: var(--pw-muted);
    margin: 0 0 14px;
    line-height: 1.55;
}

.pw-feature-rule {
    width: 28px;
    height: 2px;
    background: var(--pw-teal);
    opacity: 0.5;
}

.pw-vertical-label {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--pw-muted);
    font-weight: 700;
    text-transform: uppercase;
    position: absolute;
    left: -34px;
    top: 0;
    display: none;
}

/* Brands / Beteiligungen bar */
.pw-brands {
    background: var(--pw-dark);
    padding: 40px 0;
}

.pw-brands-label {
    color: rgba(255,255,255,0.55);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 700;
    margin: 0 0 20px;
}

.pw-brands-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.pw-brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    color: #fff;
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
}

.pw-brand-badge svg { flex-shrink: 0; }

.pw-brand-badge.pw-brand-cta {
    background: transparent;
    border: 1px dashed rgba(255,255,255,0.35);
    color: rgba(255,255,255,0.8);
    letter-spacing: 0.05em;
    font-size: 0.78rem;
    text-transform: uppercase;
}

/* Footer */
.holding-footer {
    border-top: 1px solid var(--pw-border);
    padding: 24px 0;
}

.holding-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.holding-footer p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--pw-muted);
}

.holding-footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.holding-footer-links a {
    font-size: 0.85rem;
    color: var(--pw-muted);
    text-decoration: none;
}

.holding-footer-links a:hover { color: var(--pw-teal-dark); }

/* Responsive */
@media (max-width: 992px) {
    .pw-hero { grid-template-columns: 1fr; }
    .pw-hero-content { margin: 0 auto; padding: 56px 24px 0; text-align: left; }
    .pw-hero-visual { min-height: 320px; }
    .pw-features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
    .pw-hero-title { font-size: 2rem; }
    .pw-features-grid { grid-template-columns: 1fr; }
    .pw-brands-row { flex-direction: column; }
}