/* Owelio - Professional Desktop Portfolio Stylesheet */
:root {
  --bg-primary: #080C15;
  --bg-secondary: #0D1322;
  --bg-card: #121A2F;
  --bg-card-subtle: #162039;
  --border-subtle: #1E293B;
  --border-strong: #334155;
  --border-focus: #10B981;

  --emerald-500: #10B981;
  --emerald-400: #34D399;
  --emerald-600: #059669;
  --emerald-glow: rgba(16, 185, 129, 0.15);
  --emerald-surface: rgba(16, 185, 129, 0.08);

  --slate-50: #F8FAFC;
  --slate-100: #F1F5F9;
  --slate-200: #E2E8F0;
  --slate-300: #CBD5E1;
  --slate-400: #94A3B8;
  --slate-500: #64748B;
  --slate-600: #475569;
  --slate-800: #1E293B;
  --slate-900: #0F172A;

  --rose-400: #FB7185;
  --rose-surface: rgba(244, 63, 94, 0.1);
  --amber-400: #FBBF24;
  --indigo-400: #818CF8;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Menlo, Consolas, monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-card: 0 12px 32px -4px rgba(0, 0, 0, 0.4), 0 4px 12px -2px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 32px rgba(16, 185, 129, 0.15);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--slate-100);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(16, 185, 129, 0.12), transparent),
    radial-gradient(circle 600px at 80% 60%, rgba(99, 102, 241, 0.05), transparent),
    radial-gradient(circle 500px at 20% 80%, rgba(16, 185, 129, 0.05), transparent);
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Nav */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(8, 12, 21, 0.85);
  border-bottom: 1px solid rgba(30, 41, 59, 0.8);
  transition: border-color var(--transition-normal);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.3);
}

.brand-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.4px;
  color: #FFFFFF;
}

.brand-badge {
  font-size: 11px;
  font-weight: 600;
  background: var(--emerald-surface);
  color: var(--emerald-400);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 2px 8px;
  border-radius: 20px;
  margin-left: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-item a {
  font-size: 14px;
  font-weight: 500;
  color: var(--slate-400);
  transition: color var(--transition-fast);
}

.nav-item a:hover {
  color: var(--slate-100);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Standard Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(16, 185, 129, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--slate-200);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: var(--bg-card-subtle);
  border-color: var(--border-strong);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--slate-300);
  border: 1px solid var(--border-subtle);
}

.btn-outline:hover {
  background: rgba(30, 41, 59, 0.4);
  border-color: var(--slate-600);
  color: #FFFFFF;
}

/* Hero Section */
.hero-section {
  padding: 72px 0 96px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 56px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--emerald-400);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 12.5px;
  font-weight: 600;
  width: fit-content;
}

.status-dot {
  width: 7px;
  height: 7px;
  background: var(--emerald-400);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--emerald-400);
}

.hero-title {
  font-size: 54px;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -1.5px;
  color: #FFFFFF;
}

.hero-title-highlight {
  background: linear-gradient(135deg, #34D399 0%, #10B981 50%, #059669 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.6;
  color: var(--slate-300);
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 8px;
}

.hero-metrics-row {
  display: flex;
  align-items: center;
  gap: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  margin-top: 8px;
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-value {
  font-size: 26px;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.5px;
  font-family: var(--font-mono);
}

.metric-label {
  font-size: 12px;
  color: var(--slate-400);
  font-weight: 500;
}

/* Phone Frame & 3D Showcase */
.showcase-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  position: relative;
  width: 320px;
  height: 680px;
  background: #020617;
  border-radius: 46px;
  padding: 10px;
  box-shadow:
    0 24px 64px -12px rgba(0, 0, 0, 0.75),
    0 0 0 1px rgba(255, 255, 255, 0.12),
    0 0 48px rgba(16, 185, 129, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.phone-mockup:hover {
  transform: translateY(-4px);
  box-shadow:
    0 32px 72px -12px rgba(0, 0, 0, 0.85),
    0 0 0 1px rgba(16, 185, 129, 0.3),
    0 0 60px rgba(16, 185, 129, 0.22);
}

.phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 36px;
  overflow: hidden;
  background: #090E1A;
  position: relative;
}

.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #0F172A;
  display: block;
}

/* Floating Glass Cards */
.floating-card {
  position: absolute;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(18, 26, 47, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 12px;
}

.floating-card-top {
  top: 40px;
  left: -40px;
  animation: floatSlow 5s ease-in-out infinite;
}

.floating-card-bottom {
  bottom: 60px;
  right: -30px;
  animation: floatSlow 6s ease-in-out infinite 1s;
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.card-icon-box {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-icon-box.green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald-400);
}

.card-icon-box.indigo {
  background: rgba(99, 102, 241, 0.15);
  color: var(--indigo-400);
}

.card-text-primary {
  font-size: 13.5px;
  font-weight: 700;
  color: #FFFFFF;
}

.card-text-secondary {
  font-size: 11.5px;
  color: var(--slate-400);
}

/* Section Common Styling */
.section-padding {
  padding: 108px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--emerald-400);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -1px;
  color: #FFFFFF;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-description {
  font-size: 16px;
  color: var(--slate-300);
  line-height: 1.6;
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all var(--transition-normal);
}

.bento-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.bento-card.span-2 {
  grid-column: span 2;
}

.bento-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bento-icon-container {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--emerald-400);
}

.bento-number {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--slate-500);
  font-weight: 600;
}

.bento-card-title {
  font-size: 19px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.3px;
}

.bento-card-text {
  font-size: 14px;
  color: var(--slate-300);
  line-height: 1.6;
}

.bento-card-visual {
  margin-top: auto;
  padding-top: 16px;
}

.code-snippet-box {
  background: #060911;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate-300);
  overflow-x: auto;
}

.code-keyword { color: #F43F5E; }
.code-fn { color: #38BDF8; }
.code-var { color: #34D399; }
.code-comment { color: #64748B; font-style: italic; }

/* Interactive Simulator */
.simulator-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.simulator-container {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.simulator-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.simulator-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--slate-600);
}

.simulator-tab-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--slate-300);
  font-family: var(--font-mono);
}

.simulator-status-badge {
  font-size: 11.5px;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--emerald-surface);
  color: var(--emerald-400);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.simulator-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  min-height: 480px;
}

.simulator-controls {
  padding: 32px;
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sim-control-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sim-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--slate-300);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.member-chips-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.member-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  font-size: 13px;
  color: var(--slate-200);
  font-weight: 500;
}

.member-avatar-mini {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--emerald-600);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
}

.sim-table-wrapper {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.sim-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.sim-table th {
  background: var(--bg-secondary);
  text-align: left;
  padding: 10px 14px;
  font-weight: 600;
  color: var(--slate-400);
  font-size: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.sim-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--slate-200);
}

.sim-table tr:last-child td {
  border-bottom: none;
}

.sim-table .amount-col {
  font-family: var(--font-mono);
  font-weight: 600;
}

/* Simulator Results Pane */
.simulator-results {
  padding: 32px;
  background: rgba(10, 15, 29, 0.4);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.results-title {
  font-size: 15px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.2px;
}

.transaction-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: border-color var(--transition-fast);
}

.transaction-card:hover {
  border-color: rgba(16, 185, 129, 0.4);
}

.trans-party {
  display: flex;
  align-items: center;
  gap: 8px;
}

.trans-arrow {
  color: var(--emerald-400);
  display: flex;
  align-items: center;
}

.trans-amount {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--emerald-400);
  background: var(--emerald-surface);
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Interactive Tabs Section */
.screen-showcase-section {
  position: relative;
}

.tab-nav {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  background: var(--bg-card);
  padding: 6px;
  border-radius: 32px;
  border: 1px solid var(--border-subtle);
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.tab-btn {
  padding: 10px 22px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--slate-400);
  border-radius: 24px;
  transition: all var(--transition-fast);
}

.tab-btn.active {
  background: var(--emerald-500);
  color: #FFFFFF;
  box-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
}

.tab-panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 56px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 48px;
}

.tab-text-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tab-badge {
  font-size: 12px;
  font-weight: 700;
  color: var(--emerald-400);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.tab-title {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.8px;
  color: #FFFFFF;
}

.tab-description {
  font-size: 15.5px;
  color: var(--slate-300);
  line-height: 1.6;
}

.tab-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tab-bullets li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--slate-200);
}

.bullet-icon {
  width: 18px;
  height: 18px;
  color: var(--emerald-400);
  flex-shrink: 0;
}

.tab-image-frame {
  width: 100%;
  max-width: 320px;
  height: 680px;
  margin: 0 auto;
  border-radius: 42px;
  overflow: hidden;
  border: 10px solid #020617;
  background: #0F172A;
  box-shadow: 0 24px 64px -12px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.tab-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* Architecture Section */
.arch-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.arch-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.arch-layer-badge {
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--indigo-400);
  text-transform: uppercase;
}

.arch-card-title {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
}

.arch-card-desc {
  font-size: 13px;
  color: var(--slate-400);
  line-height: 1.5;
}

/* Download / CTA Section */
.download-section {
  position: relative;
}

.download-banner {
  background: radial-gradient(circle at 50% 0%, rgba(16, 185, 129, 0.15) 0%, transparent 75%), var(--bg-card);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 48px;
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.download-text-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.download-title {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.8px;
  color: #FFFFFF;
}

.download-subtext {
  font-size: 16px;
  color: var(--slate-300);
  line-height: 1.6;
}

.download-specs-row {
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: var(--slate-400);
  font-family: var(--font-mono);
}

.join-code-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.join-label {
  font-size: 12.5px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--slate-400);
  letter-spacing: 0.5px;
}

.join-input-group {
  display: flex;
  gap: 10px;
}

.join-input {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: #FFFFFF;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.join-input:focus {
  outline: none;
  border-color: var(--emerald-500);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0 32px;
  background: #05080E;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(30, 41, 59, 0.4);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 13px;
  color: var(--slate-500);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content {
    align-items: center;
  }
  .hero-metrics-row {
    justify-content: center;
  }
  .bento-grid {
    grid-template-columns: 1fr 1fr;
  }
  .bento-card.span-2 {
    grid-column: span 1;
  }
  .simulator-grid {
    grid-template-columns: 1fr;
  }
  .simulator-controls {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
  .tab-panel-grid {
    grid-template-columns: 1fr;
  }
  .arch-grid {
    grid-template-columns: 1fr 1fr;
  }
  .download-banner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .download-specs-row {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  .nav-links {
    display: none;
  }
  .hero-title {
    font-size: 38px;
  }
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .arch-grid {
    grid-template-columns: 1fr;
  }
  .footer-top, .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}