/* ============================================================
   1Month Portfolio - Design System: "Momentum"
   Dark-mode-first · Electric Violet + Warm Gold
   ============================================================ */

/* ── Reset & Base ──────────────────────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Background */
  --bg: #F5F5F7;
  --bg-elevated: #EAEAEE;
  --bg-card: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.6);

  /* Primary - Slate Gray */
  --primary: #2D3436;
  --primary-glow: transparent;
  --primary-light: #636E72;
  --primary-surface: rgba(45, 52, 54, 0.05);

  /* Secondary - Accent Orange */
  --secondary: #FF4500;
  --secondary-glow: transparent;

  /* Status */
  --success: #10B981;
  --info: #3B82F6;

  /* Text */
  --text-primary: #2D3436;
  --text-secondary: #636E72;
  --text-accent: #FF4500;

  /* Borders */
  --border: rgba(0, 0, 0, 0.1);
  --border-glow: rgba(0, 0, 0, 0.1);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 100px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 0.3s var(--ease-out);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ── Ambient Background Removed for Minimal Look ───────────────── */

/* ── Container ─────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ── Navigation (dark band) ────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: #0A0A0F;
  color: #F5F5F7;
  transition: box-shadow var(--transition), padding var(--transition);
}

.nav.scrolled {
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 24px rgba(0, 0, 0, 0.25);
  padding: var(--space-sm) 0;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  color: #FFFFFF;
  letter-spacing: -0.03em;
  line-height: 1;
}

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

.footer-logo-img {
  height: 64px;
}

.brand-text {
  /* matches the original wordmark: sans-serif, bold, tight kerning */
}

.brand-text--lg {
  font-size: 1.9rem;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), #9333EA);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 1.25rem;
  font-weight: 700;
}

.nav-name {
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition);
  position: relative;
  white-space: nowrap;
}

.nav-link:hover {
  color: #FFFFFF;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #FFFFFF;
  transition: width var(--transition);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link--cta {
  background: #7C3AED;
  color: #fff !important;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  transition: background var(--transition), transform 0.2s ease;
}

.nav-link--cta::after {
  display: none;
}

.nav-link--cta:hover {
  background: #9333EA;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px var(--space-lg) var(--space-3xl);
  position: relative;
  z-index: 1;
}

.hero-inner {
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 16px;
  background: var(--primary-surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary-light);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.8s var(--ease-out) both;
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s var(--ease-out) 0.1s both;
}

.hero-highlight {
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
  animation: fadeInUp 0.8s var(--ease-out) 0.2s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s var(--ease-out) 0.3s both;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary), #9333EA);
  color: #fff;
  box-shadow: 0 4px 24px var(--primary-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--primary-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn--ghost:hover {
  color: var(--text-primary);
  border-color: rgba(0, 0, 0, 0.20);
  background: rgba(0, 0, 0, 0.03);
}

/* Stats bar */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  margin-top: var(--space-4xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
  animation: fadeInUp 0.8s var(--ease-out) 0.5s both;
}

.hero-stat {
  text-align: center;
}

.hero-stat-number {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.hero-stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

/* ── Sections ──────────────────────────────────────────────── */
.section {
  padding: var(--space-4xl) 0;
  position: relative;
  z-index: 1;
}

.section--alt {
  background: var(--bg-elevated);
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary-light);
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: var(--space-3xl);
}

/* ── Philosophy ────────────────────────────────────────────── */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.philosophy-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition);
}

.philosophy-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--border-glow);
}

.philosophy-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.philosophy-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.philosophy-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── About Me & Timeline ────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-2xl);
  align-items: start;
}

.bio-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.bio-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.bio-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.bio-text:last-child {
  margin-bottom: 0;
}

.bio-highlight {
  color: var(--text-primary);
  font-weight: 500;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 15px;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-left: 48px;
}

.timeline-dot {
  position: absolute;
  left: 0;
  top: 4px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 2px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 1rem;
  z-index: 2;
  box-shadow: 0 0 10px var(--bg);
}

.timeline-item--active .timeline-dot {
  border-color: var(--primary);
  background: var(--primary-surface);
  color: var(--primary-light);
  box-shadow: 0 0 15px var(--primary-glow);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition);
}

.timeline-content:hover {
  border-color: var(--border-glow);
  transform: translateX(4px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.timeline-role {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}

.timeline-company {
  color: var(--primary-light);
}

.timeline-date {
  font-size: 0.8rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.05);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.timeline-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

/* ── App Showcase ──────────────────────────────────────────── */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: var(--space-lg);
}

.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.app-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--border-glow);
}

.app-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.app-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.app-icon--b4ugo {
  background: linear-gradient(135deg, #0D9488, #14B8A6);
}

.app-icon--cityfix {
  background: linear-gradient(135deg, #E07A5F, #F4A261);
}

.app-icon--tapching {
  background: linear-gradient(135deg, #F59E0B, #FBBF24);
}

.app-icon--stashcache {
  background: linear-gradient(135deg, #FF8C00, #FF9500);
}

.app-icon--socialhelper {
  background: linear-gradient(135deg, #3B82F6, #60A5FA);
}

.app-icon--doppel {
  background: linear-gradient(135deg, #8B5CF6, #A78BFA);
}

.app-meta {
  flex: 1;
}

.app-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.app-platforms {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.platform-badge {
  font-size: 0.7rem;
  padding: 2px 8px;
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  white-space: nowrap;
}

.app-live-badge {
  padding: 4px 12px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.app-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.app-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--space-md);
}

.tech-chip {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 500;
  font-family: 'JetBrains Mono', monospace;
  border: 1px solid;
  transition: all 0.2s ease;
}

.tech-chip:hover {
  transform: scale(1.05);
}

.tech-chip--frontend {
  background: rgba(59, 130, 246, 0.10);
  color: #1D4ED8;
  border-color: rgba(59, 130, 246, 0.25);
}

.tech-chip--backend {
  background: rgba(16, 185, 129, 0.10);
  color: #047857;
  border-color: rgba(16, 185, 129, 0.25);
}

.tech-chip--cloud {
  background: rgba(168, 85, 247, 0.10);
  color: #6D28D9;
  border-color: rgba(168, 85, 247, 0.25);
}

.tech-chip--data {
  background: rgba(245, 158, 11, 0.12);
  color: #B45309;
  border-color: rgba(245, 158, 11, 0.30);
}

.tech-chip--ai {
  background: rgba(236, 72, 153, 0.10);
  color: #BE185D;
  border-color: rgba(236, 72, 153, 0.25);
}

.tech-chip--native {
  background: rgba(0, 0, 0, 0.04);
  color: #374151;
  border-color: rgba(0, 0, 0, 0.10);
}

.tech-chip--monitoring {
  background: rgba(239, 68, 68, 0.10);
  color: #B91C1C;
  border-color: rgba(239, 68, 68, 0.25);
}

.app-highlights {
  list-style: none;
  margin-bottom: var(--space-md);
  flex: 1;
}

.app-highlights li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.app-highlights li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--primary-light);
  font-weight: 700;
}

.app-links {
  display: flex;
  gap: var(--space-md);
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.app-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-light);
  transition: color var(--transition);
}

.app-link:hover {
  color: var(--text-primary);
}

/* ── Tech Stack Grid ───────────────────────────────────────── */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.tech-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition);
}

.tech-category:hover {
  border-color: var(--border-glow);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.tech-category-title {
  font-family: 'Playfair Display', serif;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.tech-category-icon {
  font-size: 1.2rem;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tech-item {
  padding: 5px 12px;
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.tech-item:hover {
  color: var(--text-primary);
  border-color: rgba(0, 0, 0, 0.18);
  background: rgba(0, 0, 0, 0.05);
  transform: translateY(-1px);
}

/* ── Infrastructure ────────────────────────────────────────── */
.infra-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.infra-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition);
}

.infra-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.infra-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.infra-app-name {
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  font-size: 1.1rem;
}

.infra-badge {
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.infra-badge--serverless {
  background: rgba(124, 58, 237, 0.12);
  color: var(--primary-light);
  border: 1px solid rgba(124, 58, 237, 0.2);
}

.infra-badge--vm {
  background: rgba(59, 130, 246, 0.12);
  color: #93C5FD;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.infra-badge--native {
  background: rgba(245, 158, 11, 0.12);
  color: #FCD34D;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.infra-badge--offline {
  background: rgba(16, 185, 129, 0.12);
  color: #6EE7B7;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.infra-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.infra-row {
  display: flex;
  gap: var(--space-md);
  padding: 6px 0;
  font-size: 0.85rem;
}

.infra-label {
  min-width: 80px;
  font-weight: 600;
  color: var(--text-accent);
  font-size: 0.8rem;
  flex-shrink: 0;
}

.infra-value {
  color: var(--text-secondary);
}

/* ── Contact ───────────────────────────────────────────────── */
.contact-inner {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact-inner .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.contact-links {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.contact-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-glow);
  background: var(--primary-surface);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--primary-glow);
}

.contact-btn svg {
  flex-shrink: 0;
}

/* ── Footer (dark backdrop) ────────────────────────────────── */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-2xl) var(--space-lg);
  position: relative;
  z-index: 1;
  background: #0A0A0F;
  color: #F5F5F7;
}

.footer .footer-brand {
  color: #FFFFFF;
}

.footer .footer-links a {
  color: rgba(255, 255, 255, 0.65);
}

.footer .footer-links a:hover {
  color: #FFFFFF;
}

.footer .footer-copy {
  color: rgba(255, 255, 255, 0.45);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1;
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-secondary);
  opacity: 0.6;
}

/* ── Animations ────────────────────────────────────────────── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

/* Stagger children */
.philosophy-grid .reveal:nth-child(2) {
  transition-delay: 0.08s;
}

.philosophy-grid .reveal:nth-child(3) {
  transition-delay: 0.16s;
}

.philosophy-grid .reveal:nth-child(4) {
  transition-delay: 0.24s;
}

.apps-grid .reveal:nth-child(2) {
  transition-delay: 0.06s;
}

.apps-grid .reveal:nth-child(3) {
  transition-delay: 0.12s;
}

.apps-grid .reveal:nth-child(4) {
  transition-delay: 0.18s;
}

.apps-grid .reveal:nth-child(5) {
  transition-delay: 0.24s;
}

.apps-grid .reveal:nth-child(6) {
  transition-delay: 0.30s;
}

.tech-grid .reveal:nth-child(2) {
  transition-delay: 0.05s;
}

.tech-grid .reveal:nth-child(3) {
  transition-delay: 0.10s;
}

.tech-grid .reveal:nth-child(4) {
  transition-delay: 0.15s;
}

.tech-grid .reveal:nth-child(5) {
  transition-delay: 0.20s;
}

.tech-grid .reveal:nth-child(6) {
  transition-delay: 0.25s;
}

.tech-grid .reveal:nth-child(7) {
  transition-delay: 0.30s;
}

.tech-grid .reveal:nth-child(8) {
  transition-delay: 0.35s;
}

.infra-grid .reveal:nth-child(2) {
  transition-delay: 0.08s;
}

.infra-grid .reveal:nth-child(3) {
  transition-delay: 0.16s;
}

.infra-grid .reveal:nth-child(4) {
  transition-delay: 0.24s;
}

.infra-grid .reveal:nth-child(5) {
  transition-delay: 0.32s;
}

.infra-grid .reveal:nth-child(6) {
  transition-delay: 0.40s;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: #0A0A0F;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-xl);
    padding: var(--space-2xl);
    transition: right 0.4s var(--ease-out);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero-stats {
    gap: var(--space-xl);
    flex-wrap: wrap;
  }

  .hero-stat-number {
    font-size: 2rem;
  }

  .apps-grid {
    grid-template-columns: 1fr;
  }

  .infra-grid {
    grid-template-columns: 1fr;
  }

  .infra-row {
    flex-direction: column;
    gap: 2px;
  }

  .infra-label {
    min-width: auto;
  }
}

/* ── Quality Assurance ─────────────────────────────────────── */
.quality-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: var(--space-lg);
}

.quality-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.quality-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.quality-card--testing::before {
  background: linear-gradient(90deg, var(--success), #34D399);
}

.quality-card--load::before {
  background: linear-gradient(90deg, var(--secondary), #FBBF24);
}

.quality-card--observability::before {
  background: linear-gradient(90deg, var(--info), #818CF8);
}

.quality-card--observability {
  grid-column: 1 / -1;
}

.quality-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--border-glow);
}

.quality-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.quality-icon {
  font-size: 1.5rem;
}

.quality-card-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 600;
}

.quality-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.quality-desc code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  background: rgba(0, 0, 0, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--primary-light);
}

/* Stats Row */
.quality-stats-row {
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
  padding: var(--space-lg);
  background: rgba(0, 0, 0, 0.02);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.quality-stat {
  text-align: center;
  flex: 1;
}

.quality-stat-number {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}

.quality-stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Coverage Bars */
.quality-breakdown {
  margin-bottom: var(--space-lg);
}

.quality-breakdown-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.quality-bar-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.quality-bar-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.quality-bar-label {
  font-size: 0.8rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-secondary);
  min-width: 110px;
  text-align: right;
}

.quality-bar-track {
  flex: 1;
  height: 8px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.quality-bar-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  transition: width 1.2s var(--ease-out);
}

.quality-bar--mobile {
  background: linear-gradient(90deg, #0D9488, #14B8A6);
}

.quality-bar--web {
  background: linear-gradient(90deg, var(--info), #60A5FA);
}

.quality-bar--scan {
  background: linear-gradient(90deg, var(--primary), #A78BFA);
}

.quality-bar--items {
  background: linear-gradient(90deg, var(--secondary), #FBBF24);
}

.quality-bar--auth {
  background: linear-gradient(90deg, #E07A5F, #F4A261);
}

.quality-bar-value {
  font-size: 0.8rem;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 36px;
}

/* Detail Items */
.quality-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.quality-detail-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  padding: var(--space-sm) 0;
}

.quality-detail-item strong {
  color: var(--text-primary);
}

.quality-detail-item code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82em;
  background: rgba(0, 0, 0, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--primary-light);
}

.quality-detail-icon {
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Live Dot */
.quality-live-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  margin-left: auto;
  flex-shrink: 0;
  animation: livePulse 2s ease-in-out infinite;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

@keyframes livePulse {

  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
  }

  50% {
    opacity: 0.5;
    box-shadow: 0 0 16px rgba(16, 185, 129, 0.3);
  }
}

@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;
  }
  .reveal,
  .reveal.visible {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Monitoring Grid */
.quality-monitoring-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
}

.quality-monitor-card {
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition);
}

.quality-monitor-card:hover {
  border-color: var(--border-glow);
  background: rgba(0, 0, 0, 0.04);
}

.quality-monitor-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: 1.05rem;
}

.quality-monitor-icon {
  font-size: 1.2rem;
}

.quality-monitor-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.quality-monitor-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  padding-left: var(--space-md);
  position: relative;
}

.quality-monitor-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--primary-light);
  font-weight: 600;
}

.quality-monitor-list li code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82em;
  background: rgba(0, 0, 0, 0.06);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--primary-light);
}

/* Quality responsive */
@media (max-width: 768px) {
  .quality-grid {
    grid-template-columns: 1fr;
  }

  .quality-card--observability {
    grid-column: auto;
  }

  .quality-stats-row {
    flex-wrap: wrap;
    justify-content: center;
  }

  .quality-bar-label {
    min-width: 80px;
    font-size: 0.72rem;
  }

  .quality-monitoring-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero {
    padding-top: 100px;
  }

  .hero-stats {
    gap: var(--space-lg);
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
  }

  .tech-grid {
    grid-template-columns: 1fr;
  }

  .apps-grid {
    grid-template-columns: 1fr;
  }

  .contact-links {
    flex-direction: column;
    align-items: center;
  }
}