/* PluriKey Website - Design System by SANDY
 * Based on the PluriKey Extension Dark Copper theme
 * 2026 - RASSELBANDE */

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

:root {
  /* Core Palette - Dark Copper */
  --pk-bg: #07060d;
  --pk-bg-alt: #0c0b14;
  --pk-surface: #101018;
  --pk-surface-2: #161622;
  --pk-surface-3: #1e1e2e;

  --pk-border: rgba(255,255,255,0.07);
  --pk-border-hover: rgba(255,255,255,0.14);

  --pk-text: #ececf4;
  --pk-text-dim: rgba(255,255,255,0.62);
  --pk-text-muted: rgba(255,255,255,0.38);

  --pk-copper: #d4915e;
  --pk-copper-bright: #e8a86e;
  --pk-copper-dim: rgba(212,145,94,0.14);
  --pk-copper-glow: rgba(212,145,94,0.25);

  --pk-indigo: #818cf8;
  --pk-indigo-dim: rgba(129,140,248,0.12);
  --pk-teal: #2dd4bf;
  --pk-teal-dim: rgba(45,212,191,0.12);
  --pk-green: #22c55e;
  --pk-green-dim: rgba(34,197,94,0.12);
  --pk-yellow: #eab308;
  --pk-yellow-dim: rgba(234,179,8,0.12);
  --pk-red: #ef4444;
  --pk-red-dim: rgba(239,68,68,0.12);

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --font-display: 'Inter', sans-serif;

  /* Spacing */
  --section-pad: clamp(60px, 10vw, 120px);
  --content-max: 1140px;
  --content-wide: 1320px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 200ms;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--pk-text);
  background: var(--pk-bg);
  overflow-x: hidden;
}

a { color: var(--pk-copper); text-decoration: none; transition: color var(--duration) var(--ease); }
a:hover { color: var(--pk-copper-bright); }

img { max-width: 100%; display: block; }

.container { max-width: var(--content-max); margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: var(--content-wide); margin: 0 auto; padding: 0 24px; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  transition: background var(--duration) var(--ease), backdrop-filter var(--duration) var(--ease);
}

.nav.scrolled {
  background: rgba(7,6,13,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--pk-border);
}

.nav-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--pk-text);
  letter-spacing: -0.02em;
}

.nav-logo svg { width: 28px; height: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--pk-text-dim);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--duration) var(--ease);
}
.nav-links a:hover { color: var(--pk-text); }

.nav-cta {
  padding: 8px 20px;
  background: var(--pk-copper);
  color: var(--pk-bg) !important;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  transition: all var(--duration) var(--ease);
}
.nav-cta:hover {
  background: var(--pk-copper-bright);
  box-shadow: 0 4px 20px rgba(212,145,94,0.3);
  color: var(--pk-bg) !important;
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--pk-text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--section-pad) 24px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(212,145,94,0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* Grid pattern background */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212,145,94,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,145,94,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--pk-copper-dim);
  border: 1px solid rgba(212,145,94,0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--pk-copper);
  font-weight: 500;
  margin-bottom: 2rem;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--pk-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 .copper { color: var(--pk-copper); }

.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--pk-text-dim);
  line-height: 1.7;
  max-width: 620px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  border: none;
  text-decoration: none;
}

.btn-copper {
  background: var(--pk-copper);
  color: var(--pk-bg);
}
.btn-copper:hover {
  background: var(--pk-copper-bright);
  box-shadow: 0 6px 24px rgba(212,145,94,0.35);
  color: var(--pk-bg);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--pk-text-dim);
  border: 1px solid var(--pk-border-hover);
}
.btn-ghost:hover {
  background: var(--pk-surface);
  border-color: var(--pk-copper-dim);
  color: var(--pk-text);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--pk-border);
}

.hero-stat .num {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--pk-copper);
  font-variant-numeric: tabular-nums;
}

.hero-stat .label {
  font-size: 0.78rem;
  color: var(--pk-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* ============================================================
   PROBLEM SECTION
   ============================================================ */
.section {
  padding: var(--section-pad) 0;
}

.section-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--pk-copper);
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1.2rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--pk-text-dim);
  max-width: 640px;
  line-height: 1.7;
}

.section-desc.center { margin: 0 auto; text-align: center; }

.problems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.problem-card {
  padding: 1.5rem;
  background: var(--pk-surface);
  border: 1px solid var(--pk-border);
  border-radius: 12px;
  transition: all var(--duration) var(--ease);
}

.problem-card:hover {
  border-color: var(--pk-border-hover);
  transform: translateY(-2px);
}

.problem-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--pk-red-dim);
  border-radius: 10px;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.problem-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.problem-card p {
  font-size: 0.88rem;
  color: var(--pk-text-dim);
  line-height: 1.6;
}

/* ============================================================
   FEATURES / 5 FACES
   ============================================================ */
.features-section {
  background: var(--pk-bg-alt);
}

.faces-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}

.face-card {
  padding: 1.5rem 1.2rem;
  background: var(--pk-surface);
  border: 1px solid var(--pk-border);
  border-radius: 12px;
  text-align: center;
  transition: all var(--duration) var(--ease);
  position: relative;
  overflow: hidden;
}

.face-card:hover {
  border-color: var(--pk-copper-dim);
  background: var(--pk-surface-2);
  transform: translateY(-3px);
}

.face-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--pk-copper);
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
}
.face-card:hover::after { opacity: 1; }

.face-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--pk-copper-dim);
  border-radius: 12px;
  font-size: 1.5rem;
}

.face-card h3 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.face-card p {
  font-size: 0.78rem;
  color: var(--pk-text-muted);
  line-height: 1.5;
}

.face-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.75rem;
}

.badge-green { background: var(--pk-green-dim); color: var(--pk-green); }
.badge-yellow { background: var(--pk-yellow-dim); color: var(--pk-yellow); }
.badge-red { background: rgba(129,140,248,0.12); color: var(--pk-indigo); }

/* ============================================================
   USP SECTION - 7 Alleinstellungsmerkmale
   ============================================================ */
.usp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.usp-card {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--pk-surface);
  border: 1px solid var(--pk-border);
  border-radius: 12px;
  transition: all var(--duration) var(--ease);
}

.usp-card:hover {
  border-color: var(--pk-copper-dim);
  background: var(--pk-surface-2);
}

.usp-num {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--pk-copper-dim);
  color: var(--pk-copper);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.usp-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.usp-card p {
  font-size: 0.85rem;
  color: var(--pk-text-dim);
  line-height: 1.6;
}

/* ============================================================
   COMPARISON TABLE
   ============================================================ */
.comparison-section {
  background: var(--pk-bg-alt);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 3rem;
  font-size: 0.88rem;
}

.comparison-table thead th {
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--pk-text-muted);
  border-bottom: 1px solid var(--pk-border);
}

.comparison-table thead th:last-child {
  color: var(--pk-copper);
}

.comparison-table tbody td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--pk-border);
  color: var(--pk-text-dim);
}

.comparison-table tbody tr:hover td {
  background: var(--pk-surface);
}

.comparison-table tbody td:first-child {
  font-weight: 500;
  color: var(--pk-text);
}

.comparison-table tbody td:last-child {
  color: var(--pk-copper);
  font-weight: 500;
}

.check { color: var(--pk-green); }
.cross { color: var(--pk-text-muted); opacity: 0.4; }
.partial { color: var(--pk-yellow); }
.unique { color: var(--pk-copper); font-weight: 600; }

/* ============================================================
   SENTINEL HERO
   ============================================================ */
.sentinel-section {
  position: relative;
  overflow: hidden;
}

.sentinel-section::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -200px;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212,145,94,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.sentinel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.sentinel-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sentinel-device {
  width: 280px;
  height: 380px;
  background: linear-gradient(145deg, var(--pk-surface-3), var(--pk-surface));
  border: 1px solid var(--pk-border-hover);
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 80px rgba(212,145,94,0.05);
}

.sentinel-screen {
  width: 100%;
  flex: 1;
  background: var(--pk-bg);
  border-radius: 12px;
  border: 1px solid var(--pk-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
}

.sentinel-screen .pk-logo { font-size: 2rem; opacity: 0.8; }
.sentinel-screen .pk-text {
  font-size: 0.7rem;
  color: var(--pk-copper);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.sentinel-screen .pk-status {
  font-size: 0.65rem;
  color: var(--pk-green);
  display: flex;
  align-items: center;
  gap: 4px;
}
.sentinel-screen .pk-status .dot {
  width: 5px;
  height: 5px;
  background: var(--pk-green);
  border-radius: 50%;
}

.sentinel-button {
  width: 40px;
  height: 40px;
  background: var(--pk-surface-3);
  border: 1px solid var(--pk-border-hover);
  border-radius: 50%;
  margin-top: 12px;
}

.sentinel-info h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1.2rem;
}

.sentinel-info h2 .copper { color: var(--pk-copper); }

.sentinel-info > p {
  color: var(--pk-text-dim);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.sentinel-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.spec-item {
  padding: 1rem;
  background: var(--pk-surface);
  border: 1px solid var(--pk-border);
  border-radius: 10px;
}

.spec-item .spec-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pk-text-muted);
  margin-bottom: 4px;
}

.spec-item .spec-value {
  font-size: 0.9rem;
  font-weight: 600;
}

/* ============================================================
   ROADMAP
   ============================================================ */
.roadmap-track {
  position: relative;
  margin-top: 3rem;
  padding-left: 2rem;
}

.roadmap-track::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--pk-border);
}

.roadmap-item {
  position: relative;
  padding: 0 0 2.5rem 2rem;
}

.roadmap-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid;
}

.roadmap-item.done::before {
  background: var(--pk-green);
  border-color: var(--pk-green);
}

.roadmap-item.active::before {
  background: var(--pk-copper);
  border-color: var(--pk-copper);
  box-shadow: 0 0 12px rgba(212,145,94,0.4);
}

.roadmap-item.upcoming::before {
  background: transparent;
  border-color: var(--pk-text-muted);
}

.roadmap-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.roadmap-item p {
  font-size: 0.85rem;
  color: var(--pk-text-dim);
}

.roadmap-phase {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pk-text-muted);
  margin-bottom: 2px;
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing-section {
  background: var(--pk-bg-alt);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.pricing-card {
  padding: 2rem 1.5rem;
  background: var(--pk-surface);
  border: 1px solid var(--pk-border);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  transition: all var(--duration) var(--ease);
}

.pricing-card.featured {
  border-color: var(--pk-copper);
  background: linear-gradient(180deg, rgba(212,145,94,0.06) 0%, var(--pk-surface) 100%);
  position: relative;
}

.pricing-card.featured::before {
  content: 'Empfohlen';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 14px;
  background: var(--pk-copper);
  color: var(--pk-bg);
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card.coming-soon {  opacity: 0.7;  position: relative;}.pricing-card.coming-soon .coming-soon-badge {  display: inline-block;  padding: 4px 14px;  background: var(--pk-border);  color: var(--pk-text-muted);  border-radius: 100px;  font-size: 0.7rem;  font-weight: 700;  text-transform: uppercase;  letter-spacing: 0.05em;  margin-top: 0.5rem;}.pricing-card.coming-soon .btn {  pointer-events: none;  opacity: 0.4;  cursor: not-allowed;}
.pricing-card:hover {
  transform: translateY(-3px);
  border-color: var(--pk-border-hover);
}

.pricing-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.3rem;
}

.pricing-price span {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--pk-text-muted);
}

.pricing-desc {
  font-size: 0.82rem;
  color: var(--pk-text-muted);
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--pk-border);
}

.pricing-features {
  list-style: none;
  flex: 1;
  margin-bottom: 1.5rem;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 6px 0;
  font-size: 0.85rem;
  color: var(--pk-text-dim);
}

.pricing-features li::before {
  content: '\2713';
  color: var(--pk-green);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

/* ============================================================
   OPEN SOURCE SECTION
   ============================================================ */
.oss-section { text-align: center; }

.oss-grid {
  display: flex;
  gap: 2rem;
  justify-content: center;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.oss-item {
  padding: 2rem 1.5rem;
  background: var(--pk-surface);
  border: 1px solid var(--pk-border);
  border-radius: 12px;
  width: 200px;
  text-align: center;
  transition: all var(--duration) var(--ease);
}

.oss-item:hover {
  border-color: var(--pk-copper-dim);
  transform: translateY(-2px);
}

.oss-item .oss-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.oss-item h3 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.oss-item p {
  font-size: 0.78rem;
  color: var(--pk-text-muted);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(212,145,94,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box {
  position: relative;
  z-index: 2;
  padding: 4rem 2rem;
  background: var(--pk-surface);
  border: 1px solid var(--pk-border);
  border-radius: 24px;
  max-width: 700px;
  margin: 0 auto;
}

.cta-box h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.cta-box p {
  color: var(--pk-text-dim);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--pk-border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 3rem;
  flex-wrap: wrap;
}

.footer-brand p {
  font-size: 0.82rem;
  color: var(--pk-text-muted);
  margin-top: 0.5rem;
  max-width: 280px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pk-copper);
  margin-bottom: 1rem;
  font-weight: 600;
}

.footer-col a {
  display: block;
  padding: 4px 0;
  font-size: 0.85rem;
  color: var(--pk-text-dim);
}
.footer-col a:hover { color: var(--pk-text); }

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--pk-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--pk-text-muted);
}

.footer-domains {
  display: flex;
  gap: 1rem;
}

.footer-domains a {
  color: var(--pk-text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

/* ============================================================
   BROWSER MOCKUP
   ============================================================ */
.browser-mockup {
  max-width: 700px;
  margin: 3rem auto 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--pk-border-hover);
  box-shadow: 0 20px 80px rgba(0,0,0,0.4), 0 0 60px rgba(212,145,94,0.06);
  position: relative;
  z-index: 2;
}

.browser-chrome {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--pk-surface-2);
  border-bottom: 1px solid var(--pk-border);
}

.browser-dots {
  display: flex;
  gap: 6px;
}

.browser-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--pk-surface-3);
}
.browser-dots span:first-child { background: #ef4444; opacity: 0.7; }
.browser-dots span:nth-child(2) { background: #eab308; opacity: 0.7; }
.browser-dots span:nth-child(3) { background: #22c55e; opacity: 0.7; }

.browser-url {
  flex: 1;
  padding: 5px 12px;
  background: var(--pk-surface);
  border-radius: 6px;
  font-size: 0.72rem;
  color: var(--pk-text-muted);
  font-family: var(--font-mono);
}

.browser-body {
  background: var(--pk-bg);
  padding: 24px;
  min-height: 200px;
}

/* Extension popup mockup inside browser */
.ext-popup {
  width: 320px;
  margin-left: auto;
  background: var(--pk-surface);
  border-radius: 10px;
  border: 1px solid var(--pk-border);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.ext-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--pk-border);
}

.ext-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
}

.ext-header-actions {
  display: flex;
  gap: 4px;
}

.ext-header-actions span {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 0.7rem;
  color: var(--pk-text-muted);
  cursor: default;
}

.ext-entry {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--pk-border);
}

.ext-entry:last-child { border-bottom: none; }

.ext-favicon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.ext-entry-info { flex: 1; min-width: 0; }
.ext-entry-user { font-size: 0.82rem; font-weight: 500; }
.ext-entry-url { font-size: 0.65rem; color: var(--pk-text-muted); font-family: var(--font-mono); }

.ext-entry-action {
  font-size: 0.7rem;
  color: var(--pk-text-muted);
  cursor: default;
}

.ext-bar {
  display: flex;
  gap: 6px;
  padding: 8px 12px;
  background: var(--pk-surface-2);
  border-top: 1px solid var(--pk-border);
}

.ext-bar-btn {
  flex: 1;
  padding: 6px;
  background: var(--pk-surface);
  border: 1px solid var(--pk-border);
  border-radius: 6px;
  color: var(--pk-text-muted);
  font-size: 0.65rem;
  text-align: center;
  cursor: default;
}

/* Login form mockup inside browser */
.login-form-mock {
  max-width: 280px;
  padding: 20px;
}

.login-form-mock h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--pk-text-dim);
}

.mock-input {
  width: 100%;
  padding: 8px 10px;
  background: var(--pk-surface-2);
  border: 1px solid var(--pk-border);
  border-radius: 6px;
  margin-bottom: 8px;
  font-size: 0.78rem;
  color: var(--pk-text-dim);
  font-family: var(--font-body);
}

.mock-input.filled {
  border-color: var(--pk-copper-dim);
  color: var(--pk-copper);
}

.mock-btn {
  width: 100%;
  padding: 8px;
  background: var(--pk-copper-dim);
  border: none;
  border-radius: 6px;
  color: var(--pk-copper);
  font-size: 0.78rem;
  font-weight: 600;
  margin-top: 4px;
  cursor: default;
}

.autofill-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  background: var(--pk-copper-dim);
  border-radius: 4px;
  font-size: 0.6rem;
  color: var(--pk-copper);
  font-weight: 600;
  margin-bottom: 8px;
}

/* ============================================================
   DECORATIVE ELEMENTS
   ============================================================ */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
}

.glow-orb.copper {
  background: rgba(212,145,94,0.08);
}

.glow-orb.indigo {
  background: rgba(129,140,248,0.06);
}

/* Floating particles effect */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--pk-copper-dim), transparent);
  margin: 0;
  border: none;
}

/* Animated gradient border for featured elements */
@keyframes border-glow {
  0%, 100% { border-color: rgba(212,145,94,0.2); }
  50% { border-color: rgba(212,145,94,0.4); }
}

/* Icon circles for problem cards */
.icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.icon-circle svg {
  width: 24px;
  height: 24px;
}

.icon-circle.red { background: var(--pk-red-dim); }
.icon-circle.yellow { background: var(--pk-yellow-dim); }
.icon-circle.indigo { background: var(--pk-indigo-dim); }
.icon-circle.copper { background: var(--pk-copper-dim); }
.icon-circle.green { background: var(--pk-green-dim); }
.icon-circle.teal { background: var(--pk-teal-dim); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .faces-grid { grid-template-columns: repeat(3, 1fr); }
  .sentinel-grid { grid-template-columns: 1fr; text-align: center; }
  .sentinel-visual { order: -1; margin-bottom: 2rem; }
  .sentinel-specs { max-width: 400px; margin: 0 auto; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: block; }
  .faces-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { flex-direction: column; gap: 1.5rem; }
  .usp-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }

  .comparison-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

@media (max-width: 480px) {
  .faces-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
}