/* ═══════════════════════════════════════════════════════════
   AI-Driven webMethods Integration — Shared Styles
   No external font requests — fully GDPR-compliant
   ═══════════════════════════════════════════════════════════ */

:root {
    --color-bg: #0C0E12;
    --color-bg-elevated: #13161C;
    --color-bg-card: #181C24;
    --color-border: rgba(255,255,255,0.06);
    --color-text: #E8E9EC;
    --color-text-muted: #9BA0B0;
    --color-accent: #4ADE80;
    --color-accent-dim: rgba(74, 222, 128, 0.12);
    --color-accent-glow: rgba(74, 222, 128, 0.25);
    --color-warm: #F59E0B;
    --color-warm-dim: rgba(245, 158, 11, 0.12);
    --font-display: Georgia, 'Times New Roman', 'Noto Serif', serif;
    --font-body: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    font-size: 17px;
    font-weight: 450;
    -webkit-font-smoothing: antialiased;
}

/* ─── Utility ─── */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 28px;
}

/* ─── Grain overlay ─── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
}

/* ─── Shared link styles ─── */
a.link-accent {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

a.link-accent:hover {
    opacity: 0.75;
}

/* ─── Nav bar ─── */
.nav {
    padding: 28px 0;
    border-bottom: 1px solid var(--color-border);
}

.nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-home {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-accent);
    text-decoration: none;
    transition: opacity 0.2s;
}

.nav-home:hover {
    opacity: 0.75;
}

/* ─── Buttons ─── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 36px;
    background: var(--color-accent);
    color: var(--color-bg);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s ease;
    box-shadow: 0 0 24px var(--color-accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px var(--color-accent-glow);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 28px;
    background: transparent;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 16px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s ease;
}

.btn-ghost:hover {
    border-color: rgba(255,255,255,0.15);
    color: var(--color-text);
}

/* ─── Section ─── */
.section {
    padding: 90px 0;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.section h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    line-height: 1.2;
    margin-bottom: 20px;
}

.section-intro {
    color: var(--color-text-muted);
    font-size: 18px;
    max-width: 620px;
    margin-bottom: 48px;
    font-weight: 400;
}

/* ─── Footer ─── */
footer {
    padding: 32px 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
    font-size: 14px;
    color: var(--color-text-muted);
    opacity: 0.6;
}

footer a {
    color: var(--color-text-muted);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.2s;
}

footer a:hover {
    opacity: 1;
}

/* ─── Scroll animations ─── */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}


/* ═══════════════════════════════════════════════════════════
   Landing page styles
   ═══════════════════════════════════════════════════════════ */

/* ─── Hero ─── */
.hero {
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -300px;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
    opacity: 0.15;
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-40px, 30px) scale(1.1); }
}

.hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeUp 0.6s ease forwards 0.2s;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5.5vw, 3.6rem);
    line-height: 1.15;
    color: var(--color-text);
    max-width: 750px;
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 0.35s;
}

.hero h1 em {
    font-style: italic;
    color: var(--color-accent);
}

.hero-sub {
    font-size: 19px;
    color: var(--color-text-muted);
    max-width: 620px;
    margin-top: 28px;
    font-weight: 400;
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 0.5s;
}

.hero-cta-row {
    margin-top: 44px;
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 0.65s;
}

/* ─── Divider ─── */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
    margin: 0;
}

/* ─── Credential bar ─── */
.credential-bar {
    padding: 48px 0;
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.credential-bar .container {
    display: flex;
    gap: 48px;
    justify-content: center;
    flex-wrap: wrap;
}

.credential-item {
    text-align: center;
}

.credential-number {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-accent);
}

.credential-label {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-top: 4px;
    letter-spacing: 0.5px;
}

/* ─── Topic cards ─── */
.topic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.topic-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 32px 28px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.topic-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.topic-card:hover {
    border-color: rgba(74, 222, 128, 0.15);
    transform: translateY(-3px);
}

.topic-card:hover::before {
    opacity: 1;
}

.topic-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--color-accent-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 20px;
}

.topic-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.topic-card p {
    color: var(--color-text-muted);
    font-size: 15px;
    line-height: 1.6;
}

/* ─── AI Section ─── */
.ai-section {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.ai-section::before {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
}

.ai-highlight {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 40px 36px;
    margin-top: 32px;
    position: relative;
}

.ai-highlight::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), transparent 50%, rgba(74, 222, 128, 0.1));
    z-index: -1;
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--color-warm-dim);
    border-radius: 20px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--color-warm);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.ai-highlight h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 14px;
}

.ai-highlight p {
    color: var(--color-text-muted);
    font-size: 16px;
    line-height: 1.7;
    max-width: 680px;
}

.ai-highlight p + p {
    margin-top: 16px;
}

.ai-highlight strong {
    color: var(--color-text);
    font-weight: 600;
}

/* ─── Principles ─── */
.principles {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.principle {
    flex: 1;
    min-width: 240px;
    padding-left: 20px;
    border-left: 2px solid var(--color-accent);
}

.principle h4 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.principle p {
    color: var(--color-text-muted);
    font-size: 15px;
}

/* ─── Author / Biography ─── */
.author-section {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.author-bio {
    margin-top: 36px;
    color: var(--color-text-muted);
    font-size: 16.5px;
    line-height: 1.75;
    max-width: 720px;
}

.author-bio p + p {
    margin-top: 16px;
}

.author-bio strong {
    color: var(--color-text);
    font-weight: 600;
}

.author-links {
    margin-top: 20px !important;
}

.author-links a {
    margin-right: 24px;
}

.bio-credentials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 40px;
}

.bio-credential {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px 22px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: border-color 0.3s ease;
}

.bio-credential:hover {
    border-color: rgba(74, 222, 128, 0.15);
}

.bio-credential-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: var(--color-accent-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    margin-top: 2px;
}

.bio-credential-text {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.55;
}

.bio-credential-text strong {
    display: block;
    color: var(--color-text);
    font-weight: 600;
    margin-bottom: 3px;
}

/* ─── CTA Section ─── */
.cta-section {
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
    opacity: 0.08;
}

.cta-section h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    margin-bottom: 16px;
}

.cta-section p {
    color: var(--color-text-muted);
    font-size: 18px;
    max-width: 520px;
    margin: 0 auto 40px;
    font-weight: 400;
}

.cta-note {
    font-size: 14px !important;
    color: var(--color-text-muted);
    margin-top: 20px !important;
    opacity: 0.7;
}


/* ═══════════════════════════════════════════════════════════
   Imprint page styles
   ═══════════════════════════════════════════════════════════ */

/* ─── Page header ─── */
.page-header {
    padding: 80px 0 40px;
}

.page-header-eyebrow {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeUp 0.6s ease forwards 0.2s;
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    line-height: 1.2;
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 0.35s;
}

/* ─── Imprint content ─── */
.imprint-section {
    padding: 0 0 90px;
}

.imprint-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 44px 40px;
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 0.5s;
}

.imprint-card h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.imprint-block {
    margin-bottom: 28px;
}

.imprint-block:last-child {
    margin-bottom: 0;
}

.imprint-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.imprint-block p {
    color: var(--color-text-muted);
    font-size: 16px;
    line-height: 1.7;
}

.imprint-block p strong {
    color: var(--color-text);
    font-weight: 600;
}

.imprint-block a {
    color: var(--color-accent);
    text-decoration: none;
    transition: opacity 0.2s;
}

.imprint-block a:hover {
    opacity: 0.75;
}

.imprint-divider {
    height: 1px;
    background: var(--color-border);
    margin: 28px 0;
}


/* ═══════════════════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 640px) {
    .hero { padding: 80px 0 60px; }
    .section { padding: 64px 0; }
    .credential-bar .container { gap: 32px; }
    .principles { flex-direction: column; gap: 28px; }
    .bio-credentials { grid-template-columns: 1fr; }
    .ai-highlight { padding: 28px 22px; }
    .page-header { padding: 60px 0 32px; }
    .imprint-card { padding: 28px 22px; }
}