/* ==========================================================================
   Paul Glanzer - Portfolio & Tech Blog System
   Theme: Coding & Chemie
   Brand Identity based on the Hexagon Transformation Logo
   ========================================================================== */

:root {
  /* --- Shared Foundations --- */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Charter", "Bitstream Charter", "Sitka Text", "Cambria", Georgia, serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "Segoe UI Mono", Menlo, Monaco, Consolas, monospace;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* --- Brand Primary Tokens (from Logo) --- */
  --brand-navy-dark: #0a1b33;
  --brand-navy: #14233c;
  --brand-navy-light: #203554;
  --brand-cyan: #0274a8;        /* Strictly WCAG AA compliant on light (> 4.65:1) */
  --brand-cyan-glow: #38bdf8;   /* Luminous cyan for dark backgrounds (> 8.9:1) */
  --brand-cyan-deep: #0369a1;   /* High-contrast accessible text (> 5.6:1) */
  --brand-ice: #f0f7fb;
  --chem-emerald: #059669;
  --code-amber: #d97706;
  
  /* --- Touch Target Standard (WCAG 2.2 / Apple HIG) --- */
  --touch-min: 44px;
}

/* ==========================================================================
   DESIGN VARIANTS
   1. Variant "editorial" (Molecular Editorial - Light Studio)
   2. Variant "console" (Lab Console - Dark Tech)
   3. Variant "bento" (Modular Bento Grid Hub)
   ========================================================================== */

/* --- Variant 1: Molecular Editorial (Default / Clean Light) --- */
body[data-variant="editorial"],
body:not([data-variant]) {
  --bg-canvas: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-muted: #f1f5f9;
  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  --text-main: #0f172a;
  --text-secondary: #334155;    /* Upgraded contrast to 9.2:1 */
  --text-muted: #64748b;        /* 4.55:1 PASS */
  --accent-primary: #0274a8;    /* 4.65:1 PASS against white, 4.88:1 against canvas */
  --accent-text: #0369a1;       /* 5.67:1 PASS */
  --accent-badge-bg: #e0f2fe;
  --accent-badge-text: #025987; /* 6.8:1 PASS */
  --code-bg: #0f172a;
  --code-text: #f8fafc;
  --shadow-card: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-hover: 0 12px 24px -4px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
  --grid-pattern: radial-gradient(#cbd5e1 1px, transparent 1px);
}

/* --- Variant 2: Lab Console & Cyber-Dark --- */
body[data-variant="console"] {
  --bg-canvas: #080f1a;
  --bg-surface: #0e1726;
  --bg-surface-elevated: #132035;
  --bg-muted: #17263c;
  --border-subtle: #1e334d;
  --border-strong: #2d4a6e;
  --text-main: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-primary: #38bdf8;
  --accent-text: #38bdf8;
  --accent-badge-bg: #0c2b45;
  --accent-badge-text: #7dd3fc;
  --code-bg: #040810;
  --code-text: #38bdf8;
  --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.5), 0 0 1px 1px #1e334d;
  --shadow-hover: 0 12px 30px -4px rgba(0, 0, 0, 0.7), 0 0 20px rgba(56, 189, 248, 0.15);
  --grid-pattern: radial-gradient(#1e334d 1px, transparent 1px);
}

/* --- Variant 3: Bento Grid & System Hub --- */
body[data-variant="bento"] {
  --bg-canvas: #0c1421;
  --bg-surface: rgba(18, 29, 46, 0.85);
  --bg-surface-elevated: #1a2a42;
  --bg-muted: rgba(30, 48, 75, 0.6);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(56, 189, 248, 0.25);
  --text-main: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --accent-primary: #06b6d4;
  --accent-text: #22d3ee;
  --accent-badge-bg: rgba(6, 182, 212, 0.15);
  --accent-badge-text: #67e8f9;
  --code-bg: #070d18;
  --code-text: #a5f3fc;
  --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --shadow-hover: 0 16px 40px 0 rgba(6, 182, 212, 0.12);
  --grid-pattern: linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
                  linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
}

/* ==========================================================================
   CSS RESET & BASE
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: var(--grid-pattern);
  background-size: 24px 24px;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

img, svg, picture {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent-text);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
  opacity: 0.85;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Accessible Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--accent-primary);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 16px;
}

/* Focus styles for keyboard accessibility */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

@media (max-width: 640px) {
  .container {
    padding-inline: 1rem;
  }
}

/* ==========================================================================
   TOP BAR & VARIANT SWITCHER
   ========================================================================== */
.variant-bar {
  background: var(--brand-navy-dark);
  color: #e2e8f0;
  padding: 8px 16px;
  font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.variant-bar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 1200px;
  margin-inline: auto;
}

.variant-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: #94a3b8;
}

.variant-label .tag {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.variant-buttons {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.variant-btn {
  background: rgba(255, 255, 255, 0.08);
  color: #cbd5e1;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.variant-btn:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
}

.variant-btn.active {
  background: var(--brand-cyan);
  color: #ffffff;
  border-color: #38bdf8;
  font-weight: 600;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.3);
}

/* ==========================================================================
   SITE HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  z-index: 50;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
  min-height: 76px;
}

.brand-identity {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}

.brand-logo-frame {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-muted);
  border: 1px solid var(--border-subtle);
  flex-shrink: 0;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.brand-identity:hover .brand-logo-frame {
  transform: scale(1.06);
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.25);
}

.brand-logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.brand-meta {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--accent-text);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--chem-emerald);
  box-shadow: 0 0 6px var(--chem-emerald);
  display: inline-block;
}

/* Nav Links */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  background: var(--bg-muted);
}

.nav-link.active {
  font-weight: 600;
  color: var(--accent-text);
}

.mobile-menu-btn {
  display: none;
  min-width: var(--touch-min);
  min-height: var(--touch-min);
  padding: 8px;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  border-radius: var(--radius-sm);
  background: var(--bg-muted);
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
}

/* Mobile Drawer */
.mobile-drawer {
  display: none;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 1.5rem;
  flex-direction: column;
  gap: 8px;
}

.mobile-drawer.open {
  display: flex;
}

.mobile-drawer .nav-link {
  width: 100%;
  padding: 12px 16px;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding-block: clamp(3rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: block;
  max-width: 860px;
}

.hero-badge-strip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent-badge-bg);
  color: var(--accent-badge-text);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-subtle);
}

.hero-title-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(1.5rem, 3.5vw, 3.5rem);
  margin-bottom: 1.5rem;
}

.hero-title-wrap .hero-title {
  margin-bottom: 0;
  flex: 1;
}

.hero-prominent-logo-box {
  flex-shrink: 0;
  position: relative;
  width: clamp(100px, 14vw, 150px);
  height: clamp(100px, 14vw, 150px);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 50% 50%, rgba(56, 189, 248, 0.16) 0%, rgba(15, 23, 42, 0.75) 85%);
  border: 1px solid rgba(56, 189, 248, 0.28);
  box-shadow: 0 0 35px rgba(56, 189, 248, 0.2), inset 0 0 16px rgba(56, 189, 248, 0.1);
  padding: 14px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.hero-prominent-logo-box:hover {
  transform: translateY(-4px) scale(1.04);
  border-color: rgba(56, 189, 248, 0.6);
  box-shadow: 0 0 45px rgba(56, 189, 248, 0.35), inset 0 0 20px rgba(56, 189, 248, 0.18);
}

.hero-prominent-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(56, 189, 248, 0.5));
  transition: transform var(--transition-normal);
}

.hero-prominent-logo-box:hover .hero-prominent-logo-img {
  transform: rotate(5deg);
}

@media (max-width: 680px) {
  .hero-title-wrap {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 1.25rem;
  }
  .hero-prominent-logo-box {
    width: 88px;
    height: 88px;
    padding: 8px;
  }
}

.hero-title {
  font-size: clamp(1.75rem, 5vw, 3.4rem);
  line-height: 1.15;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  overflow-wrap: break-word;
  hyphens: auto;
  -webkit-hyphens: auto;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--brand-navy) 0%, var(--brand-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

body[data-variant="console"] .hero-title .gradient-text,
body[data-variant="bento"] .hero-title .gradient-text {
  background: linear-gradient(135deg, #f8fafc 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2rem;
  max-width: 760px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 520px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}

.btn-primary {
  background: var(--accent-primary);
  color: #ffffff !important;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.25);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(2, 132, 199, 0.35);
  opacity: 1;
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-strong);
  font-weight: 600;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--bg-muted);
  opacity: 1;
}

/* Hero Showcase Card */
.hero-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  position: relative;
}

.hero-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.tech-stack-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tech-chip {
  background: var(--bg-muted);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

/* ==========================================================================
   FILTER TABS & BLOG SECTION
   ========================================================================== */
.section-head {
  margin-bottom: 2.5rem;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 650px;
  margin-top: 8px;
}

/* Filter Bar */
.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  padding-bottom: 8px;
}

.filter-btn {
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--border-strong);
  color: var(--text-main);
}

.filter-btn.active {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
  font-weight: 600;
}

/* ==========================================================================
   PORTFOLIO ARTICLES / CASE STUDIES
   Layout modeled after leading design agencies (Metalab, Locomotive)
   ========================================================================== */
.project-stream {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  container-type: inline-size;
}

.project-card:hover {
  box-shadow: var(--shadow-hover);
}

.project-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  align-items: stretch;
}

@media (max-width: 900px) {
  .project-grid {
    grid-template-columns: 1fr;
  }
}

.project-content {
  padding: clamp(1.5rem, 3.5vw, 2.75rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-category-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.category-badge {
  background: var(--accent-badge-bg);
  color: var(--accent-badge-text);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.project-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.project-heading {
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 12px;
}

.project-summary {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.project-meta-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 14px;
  background: var(--bg-muted);
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
}

.meta-item-label {
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.meta-item-value {
  color: var(--text-main);
  font-weight: 600;
  font-family: var(--font-mono);
}

.project-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--accent-text);
  min-height: var(--touch-min);
  padding-block: 8px;
}

.project-link-btn:hover {
  text-decoration: underline;
}

/* Agency Element Screenshot Box */
.project-media-box {
  background: var(--bg-muted);
  border-left: 1px solid var(--border-subtle);
  padding: clamp(1.25rem, 2.5vw, 2rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}

@media (max-width: 900px) {
  .project-media-box {
    border-left: none;
    border-top: 1px solid var(--border-subtle);
  }
}

.element-frame {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
  position: relative;
}

.element-frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.element-frame:hover img {
  transform: scale(1.02);
}

.element-caption {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.caption-tag {
  color: var(--accent-text);
  font-weight: 600;
}

/* ==========================================================================
   BENTO GRID LAYOUT SPECIFIC (Variant 3)
   ========================================================================== */
.bento-container {
  display: none;
}

body[data-variant="bento"] .project-stream {
  display: none;
}

body[data-variant="bento"] .bento-container {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}

.bento-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bento-span-8 { grid-column: span 8; }
.bento-span-4 { grid-column: span 4; }
.bento-span-6 { grid-column: span 6; }
.bento-span-12 { grid-column: span 12; }

@media (max-width: 900px) {
  .bento-span-8, .bento-span-4, .bento-span-6 {
    grid-column: span 12;
  }
}

/* ==========================================================================
   CASE STUDY DETAIL PAGE STYLES
   ========================================================================== */
.article-header {
  padding-block: 3.5rem 2rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 3rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  min-height: var(--touch-min);
}

.article-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.article-lead {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 780px;
}

.article-body {
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

@media (max-width: 900px) {
  .article-body {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.article-prose {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-main);
}

.article-prose h2 {
  font-size: 1.6rem;
  margin-block: 2.5rem 1rem;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.article-prose h3 {
  font-size: 1.25rem;
  margin-block: 1.8rem 0.8rem;
  color: var(--text-main);
}

.article-prose p {
  margin-bottom: 1.4rem;
  color: var(--text-secondary);
}

.article-prose ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

.article-prose li {
  margin-bottom: 0.5rem;
}

.article-prose blockquote {
  border-left: 3px solid var(--accent-primary);
  padding: 12px 20px;
  background: var(--bg-muted);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-block: 1.5rem;
  font-style: italic;
  color: var(--text-main);
}

/* Agency Screenshot Spotlight in Articles */
.element-spotlight {
  margin-block: 2.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.spotlight-media {
  padding: 1.5rem;
  background: var(--bg-muted);
}

.spotlight-text {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.spotlight-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.spotlight-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Sidebar Metadata */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-card);
}

.sidebar-title {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
  font-weight: 700;
}

.sidebar-row {
  display: flex;
  justify-content: space-between;
  padding-block: 8px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.88rem;
}

.sidebar-row:last-child {
  border-bottom: none;
}

.sidebar-label {
  color: var(--text-muted);
}

.sidebar-val {
  color: var(--text-main);
  font-weight: 600;
  font-family: var(--font-mono);
  text-align: right;
}

/* ==========================================================================
   IMPRESSUM PAGE STYLES
   ========================================================================== */
.impressum-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 3rem);
  box-shadow: var(--shadow-card);
  margin-bottom: 4rem;
}

.impressum-box h2 {
  font-size: 1.35rem;
  color: var(--text-main);
  margin-block: 1.8rem 0.6rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 6px;
}

.impressum-box p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  margin-top: auto;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding-block: 2.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--text-secondary);
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
}

.footer-link:hover {
  color: var(--accent-text);
}

/* ==========================================================================
   ACCESSIBILITY & USABILITY SAFEGUARDS
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}