:root {
    /* PDCS Brand Colors */
    --pdcs-blue: #162F65;
    --pdcs-blue-deep: #0E1F44;
    --pdcs-orange: #FF9933;
    --pdcs-orange-bright: #F6960F;
    
    /* Secondary */
    --white: #F5F5F7;
    --light-grey: #DCE4EA;
    --grey: #99ABBA;
    --bright-blue: #007BFF;
    --purple: #4E2EBF;
    --anthracite: #192335;
    
    /* Functional */
    --bg: #FAFAF7;
    --bg-elevated: #FFFFFF;
    --bg-deep: var(--anthracite);
    --bg-blue: var(--pdcs-blue);
    
    --text: #1A1F2E;
    --text-muted: #5C6577;
    --text-soft: #8A93A4;
    --text-on-dark: #E8EBF2;
    --text-on-dark-muted: #A8B0C2;
    
    --border: #E5E1D8;
    --border-strong: #C8C2B5;
    
    --accent: var(--pdcs-orange);
    --accent-hover: #F58A1A;
    
    /* Type scales */
    --font-display: 'Poppins', -apple-system, system-ui, sans-serif;
    --font-body: 'Poppins', -apple-system, system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    
    /* Spacing */
    --container-max: 1180px;
    --container-text: 720px;
}

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 32px;
}

/* ===== DEMO BANNER ===== */
.demo-banner {
    background: var(--anthracite);
    color: var(--text-on-dark);
    border-bottom: 1px solid rgba(255, 153, 51, 0.25);
}
.demo-banner-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 10px 32px;
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
}
.demo-banner-label {
    background: var(--pdcs-orange);
    color: var(--anthracite);
    padding: 3px 10px;
    border-radius: 2px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 11px;
    flex-shrink: 0;
}
.demo-banner-text { color: var(--text-on-dark-muted); }
.demo-banner-text strong { color: var(--text-on-dark); }

/* ===== HEADER ===== */
.site-header {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(8px);
    background: rgba(250, 250, 247, 0.95);
}
.header-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 18px;
    padding-bottom: 18px;
}
.header-logo img { display: block; height: 32px; width: auto; }
.header-nav {
    display: flex;
    gap: 32px;
}
.header-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.15s ease;
}
.header-nav a:hover { color: var(--pdcs-blue); }

/* ===== HERO ===== */
.hero {
    padding: 96px 0 80px;
    border-bottom: 1px solid var(--border);
    background:
        radial-gradient(circle at 85% 0%, rgba(255, 153, 51, 0.04) 0%, transparent 50%),
        var(--bg);
}
.hero-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 28px;
}
.hero-meta-tag {
    color: var(--pdcs-blue);
    font-weight: 500;
}
.hero-meta-divider { color: var(--border-strong); }

.hero-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(40px, 6.5vw, 72px);
    line-height: 1.08;
    letter-spacing: -0.035em;
    color: var(--text);
    max-width: 920px;
    margin-bottom: 36px;
}
.hero-strike {
    text-decoration: line-through;
    text-decoration-thickness: 3px;
    text-decoration-color: var(--pdcs-orange);
    color: var(--text-muted);
    font-weight: 400;
}
.hero-emphasis {
    color: var(--pdcs-blue);
    font-style: italic;
    font-weight: 500;
}

.hero-lede {
    font-size: clamp(18px, 1.5vw, 21px);
    line-height: 1.55;
    color: var(--text-muted);
    max-width: 660px;
    margin-bottom: 56px;
}

.hero-credit {
    display: flex;
    align-items: center;
    gap: 24px;
}
.hero-credit-line {
    width: 60px;
    height: 1px;
    background: var(--border-strong);
}
.hero-credit-by {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-soft);
    margin-bottom: 4px;
}
.hero-credit-org {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 600;
    color: var(--pdcs-blue);
    letter-spacing: -0.015em;
}

/* ===== INTRO SECTION ===== */
.intro-section {
    padding: 96px 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
}
.intro-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 64px;
    align-items: start;
}
.intro-label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: sticky;
    top: 96px;
}
.label-num {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--pdcs-orange);
    font-weight: 500;
    letter-spacing: 0.15em;
}
.label-text {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.intro-content { max-width: 680px; }
.intro-content h2 {
    font-family: var(--font-display);
    font-size: clamp(32px, 3.5vw, 42px);
    font-weight: 600;
    line-height: 1.18;
    color: var(--text);
    margin-bottom: 32px;
    letter-spacing: -0.025em;
}
.intro-content p {
    margin-bottom: 20px;
    color: var(--text);
}
.intro-content p.lead {
    font-size: 20px;
    line-height: 1.5;
    color: var(--text);
    margin-bottom: 28px;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 56px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat-num {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 600;
    line-height: 1;
    color: var(--pdcs-blue);
    letter-spacing: -0.03em;
}
.stat-num.accent { color: var(--pdcs-orange); }
.stat-unit {
    font-size: 22px;
    color: var(--text-soft);
    font-weight: 500;
    margin-left: 2px;
}
.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.3;
}

/* ===== FINDINGS ===== */
.findings-section {
    padding: 96px 0 80px;
    background: var(--bg);
}
.findings-header {
    max-width: 720px;
    margin: 0 auto 80px;
    text-align: center;
}
.findings-header .intro-label {
    flex-direction: row;
    justify-content: center;
    gap: 12px;
    position: static;
    margin-bottom: 24px;
}
.findings-header h2 {
    font-family: var(--font-display);
    font-size: clamp(30px, 3.2vw, 40px);
    font-weight: 600;
    line-height: 1.18;
    color: var(--text);
    margin-bottom: 24px;
    letter-spacing: -0.025em;
}
.findings-header .lead {
    font-size: 19px;
    color: var(--text-muted);
    line-height: 1.55;
}

.finding {
    border-top: 1px solid var(--border);
    padding: 80px 0;
    background: var(--bg);
}
.finding:last-of-type { border-bottom: 1px solid var(--border); }
.finding-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}
.finding-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.finding-num {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.finding-severity {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 100px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
}
.severity-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}
.severity-critical .severity-dot { background: #DC2626; box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15); }
.severity-critical { color: #991B1B; border-color: rgba(220, 38, 38, 0.2); background: #FEF2F2; }
.severity-high .severity-dot { background: var(--pdcs-orange); box-shadow: 0 0 0 3px rgba(255, 153, 51, 0.18); }
.severity-high { color: #B45309; border-color: rgba(255, 153, 51, 0.25); background: #FFF7ED; }
.severity-medium .severity-dot { background: #CA8A04; box-shadow: 0 0 0 3px rgba(202, 138, 4, 0.15); }
.severity-medium { color: #854D0E; border-color: rgba(202, 138, 4, 0.2); background: #FEFCE8; }

.finding-title-block {
    max-width: 820px;
    margin-top: 8px;
}
.finding-cve {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--pdcs-orange-bright);
    margin-bottom: 16px;
    letter-spacing: 0.04em;
}
.finding-title-block h3 {
    font-family: var(--font-display);
    font-size: clamp(26px, 2.8vw, 34px);
    font-weight: 600;
    line-height: 1.25;
    color: var(--text);
    letter-spacing: -0.025em;
}

.finding-perspective {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    margin-top: 16px;
}
.perspective {
    background: var(--bg-elevated);
    padding: 36px 32px;
}
.perspective.attacker {
    background:
        linear-gradient(0deg, rgba(220, 38, 38, 0.02) 0%, rgba(220, 38, 38, 0.02) 100%),
        var(--bg-elevated);
}
.perspective.defender {
    background:
        linear-gradient(0deg, rgba(22, 47, 101, 0.02) 0%, rgba(22, 47, 101, 0.02) 100%),
        var(--bg-elevated);
}
.perspective-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}
.perspective.attacker .perspective-label { color: #B91C1C; }
.perspective.defender .perspective-label { color: var(--pdcs-blue); }
.perspective-icon {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 700;
}
.perspective p {
    color: var(--text);
    margin-bottom: 16px;
    font-size: 16px;
    line-height: 1.6;
}
.code-block {
    background: var(--anthracite);
    color: #E2E8F0;
    padding: 20px 22px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    overflow-x: auto;
    margin-top: 12px;
    white-space: pre;
    border-left: 3px solid var(--pdcs-orange);
}
.code-comment { color: #8FA3C9; font-style: italic; }
.code-warning { color: var(--pdcs-orange); font-weight: 500; }

.finding-context {
    background: var(--bg-elevated);
    border-left: 3px solid var(--pdcs-blue);
    padding: 28px 32px;
    margin-top: 8px;
}
.finding-context-label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--pdcs-blue);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    font-weight: 500;
}
.finding-context p {
    color: var(--text);
    line-height: 1.65;
    font-size: 16px;
}

/* Inline code in body text */
p code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--light-grey);
    padding: 1px 6px;
    border-radius: 3px;
    color: var(--pdcs-blue-deep);
}

.more-findings {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    padding: 48px 56px;
    margin-top: 64px;
    border-radius: 4px;
}
.more-findings h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}
.more-list {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 32px;
}
.more-list li {
    position: relative;
    padding-left: 22px;
    color: var(--text);
    line-height: 1.5;
    font-size: 15px;
}
.more-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--pdcs-orange);
    font-family: var(--font-mono);
    font-weight: 700;
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: var(--anthracite);
    color: var(--text-on-dark);
    padding: 128px 0 96px;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(255, 153, 51, 0.06) 0%, transparent 60%);
    pointer-events: none;
}
.cta-content {
    max-width: 820px;
    position: relative;
    z-index: 1;
}
.intro-label-light .label-text { color: var(--text-on-dark-muted); }
.intro-label-light { 
    margin-bottom: 48px; 
    display: flex;
    align-items: center;
    gap: 12px;
    flex-direction: row;
}
.cta-title {
    font-family: var(--font-display);
    font-size: clamp(40px, 5.5vw, 60px);
    font-weight: 600;
    line-height: 1.12;
    color: var(--text-on-dark);
    margin-bottom: 32px;
    letter-spacing: -0.035em;
}
.cta-emphasis {
    color: var(--pdcs-orange);
    font-style: italic;
    font-weight: 500;
}
.cta-lede {
    font-size: 19px;
    color: var(--text-on-dark-muted);
    line-height: 1.6;
    margin-bottom: 56px;
    max-width: 700px;
}

.cta-service {
    margin-bottom: 56px;
    padding-top: 8px;
    border-top: 1px solid rgba(168, 176, 194, 0.2);
    padding-top: 40px;
}
.cta-service-label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--pdcs-orange);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 16px;
    font-weight: 500;
}
.cta-service-name {
    font-family: var(--font-display);
    font-size: clamp(28px, 3vw, 36px);
    font-weight: 600;
    color: var(--text-on-dark);
    margin-bottom: 20px;
    letter-spacing: -0.025em;
    line-height: 1.15;
}
.cta-service-intro {
    font-size: 17px;
    color: var(--text-on-dark-muted);
    line-height: 1.6;
    max-width: 640px;
}

.cta-pillars {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 40px;
    margin-bottom: 64px;
}
.pillar {
    padding-top: 24px;
    border-top: 1px solid rgba(168, 176, 194, 0.18);
}
.pillar-num {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--pdcs-orange);
    letter-spacing: 0.12em;
    margin-bottom: 10px;
    font-weight: 500;
}
.pillar-name {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-on-dark);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}
.pillar-text {
    color: var(--text-on-dark-muted);
    font-size: 15px;
    line-height: 1.6;
}

.cta-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 2px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s ease;
    cursor: pointer;
    border: 1px solid transparent;
    letter-spacing: 0.01em;
}
.btn-primary {
    background: var(--pdcs-orange);
    color: var(--anthracite);
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}
.btn-ghost {
    color: var(--text-on-dark);
    border-color: rgba(168, 176, 194, 0.3);
}
.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(168, 176, 194, 0.6);
}

/* ===== FOOTER ===== */
.site-footer {
    background: var(--pdcs-blue-deep);
    color: var(--text-on-dark-muted);
    padding: 64px 0 32px;
    font-size: 14px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(168, 176, 194, 0.15);
}
.footer-brand img {
    display: block;
    height: 32px;
    width: auto;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
    opacity: 0.95;
}
.footer-tagline {
    color: var(--text-on-dark-muted);
    line-height: 1.5;
    max-width: 280px;
}
.footer-meta {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
}
.footer-label {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--pdcs-orange);
    margin-bottom: 12px;
    font-weight: 500;
}
.footer-meta p { line-height: 1.6; }
.footer-meta a { color: var(--text-on-dark); text-decoration: underline; text-underline-offset: 2px; }
.footer-bottom {
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-on-dark-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .container { padding: 0 24px; }
    .hero { padding: 64px 0 56px; }
    .intro-grid { grid-template-columns: 1fr; gap: 32px; }
    .intro-label { position: static; flex-direction: row; align-items: center; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; }
    .stat-num { font-size: 40px; }
    .finding-perspective { grid-template-columns: 1fr; }
    .more-list { grid-template-columns: 1fr; }
    .more-findings { padding: 32px 28px; }
    .cta-pillars { grid-template-columns: 1fr; gap: 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 32px; }
    .footer-meta { grid-template-columns: 1fr; gap: 24px; }
    .footer-bottom { flex-direction: column; gap: 12px; align-items: flex-start; }
    .header-nav { gap: 20px; font-size: 13px; }
    .demo-banner-inner { flex-wrap: wrap; gap: 10px; }
}

@media (max-width: 600px) {
    .perspective { padding: 28px 20px; }
    .code-block { font-size: 12px; padding: 16px; }
    .finding-context { padding: 24px 20px; }
    .header-nav { display: none; }
    .stat-num { font-size: 36px; }
    .cta-actions { flex-direction: column; }
    .btn { width: 100%; justify-content: center; }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; animation: none !important; }
}

a:focus-visible, button:focus-visible {
    outline: 2px solid var(--pdcs-orange);
    outline-offset: 2px;
    border-radius: 2px;
}

::selection {
    background: var(--pdcs-orange);
    color: var(--anthracite);
}