/* ==========================================================================
   VINX - Official Website Stylesheet
   Supports Light & Dark Modes with Geist/Mono Minimalist Aesthetic
   Inspired by dora-omega-two.vercel.app
   ========================================================================== */

:root {
  /* Light Mode (Porcelain Aesthetic) */
  --background: #fafafc;
  --foreground: #09090b;
  --card: #ffffff;
  --card-hover: #f5f5f7;
  --card-border: #e4e4e9;
  --card-border-hover: #d0d0d8;
  --border: #e5e5ec;
  --border-subtle: #ebebef;
  --muted: #f0f0f4;
  --muted-foreground: #6b6b7b;
  --primary: #09090b;
  --primary-foreground: #fafafc;
  --secondary: #f2f2f6;
  --secondary-foreground: #18181b;
  --accent: #16a34a;
  --accent-cyan: #0284c7;
  --header-bg: rgba(250, 250, 252, 0.85);
  --marquee-bg: rgba(240, 240, 244, 0.45);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.04);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Geist", "Inter", "SF Pro Display", "Segoe UI", Roboto, sans-serif;
  --font-mono: "Geist Mono", "JetBrains Mono", "SF Mono", Menlo, Monaco, Consolas, monospace;
}

[data-theme="dark"],
.dark {
  /* Dark Mode (Stealth Onyx Aesthetic) */
  --background: #070709;
  --foreground: #f4f4f6;
  --card: #0c0c10;
  --card-hover: #111116;
  --card-border: #1a1a22;
  --card-border-hover: #2a2a36;
  --border: #18181f;
  --border-subtle: #121217;
  --muted: #131317;
  --muted-foreground: #82828e;
  --primary: #f4f4f6;
  --primary-foreground: #070709;
  --secondary: #16161c;
  --secondary-foreground: #e4e4e7;
  --accent: #22c55e;
  --accent-cyan: #06b6d4;
  --header-bg: rgba(7, 7, 9, 0.85);
  --marquee-bg: rgba(19, 19, 23, 0.35);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.45);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  tab-size: 4;
}

body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  letter-spacing: -0.015em;
  overflow-x: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
}

::selection {
  background-color: var(--foreground);
  color: var(--background);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 5px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #272730;
  border-radius: 9999px;
}
[data-theme="light"] ::-webkit-scrollbar-thumb {
  background: #c8c8d0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.15s ease, color 0.15s ease;
}

/* Container */
.container {
  max-width: 48rem; /* 768px - exact Dora width */
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
  width: 100%;
}

@media (min-width: 640px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

/* Typography Utilities */
.font-mono {
  font-family: var(--font-mono);
}

.text-xs {
  font-size: 0.75rem;
  line-height: 1rem;
}

.text-sm {
  font-size: 0.875rem;
  line-height: 1.25rem;
}

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

.uppercase-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted-foreground);
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100%;
  background-color: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.5rem;
}

@media (min-width: 640px) {
  .header-inner {
    height: 4rem;
  }
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 900;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.logo-icon {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted-foreground);
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.theme-toggle-btn:hover {
  color: var(--foreground);
  border-color: var(--card-border-hover);
  background-color: var(--muted);
}

.theme-toggle-btn svg {
  width: 1rem;
  height: 1rem;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, background 0.15s ease;
}

.nav-link:hover {
  color: var(--foreground);
  background-color: var(--muted);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.main-content {
  flex: 1 0 auto;
  padding-top: 2rem;
  padding-bottom: 5rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

@media (min-width: 640px) {
  .main-content {
    padding-top: 3.5rem;
    padding-bottom: 7rem;
    gap: 4rem;
  }
}

.hero-section {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero-heading {
  font-size: 1.85rem;
  line-height: 1.16;
  font-weight: 600;
  letter-spacing: -0.035em;
  color: var(--foreground);
  text-wrap: balance;
}

@media (min-width: 640px) {
  .hero-heading {
    font-size: 2.35rem;
  }
}

@media (min-width: 768px) {
  .hero-heading {
    font-size: 2.75rem;
  }
}

.hero-subtext {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--muted-foreground);
  max-width: 34rem;
  font-weight: 400;
}

@media (min-width: 640px) {
  .hero-subtext {
    font-size: 1.05rem;
  }
}

/* Hero CTA Area */
.cta-group {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.85rem;
  padding-top: 0.5rem;
}

@media (min-width: 640px) {
  .cta-group {
    flex-direction: row;
    align-items: center;
    gap: 1.25rem;
  }
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  height: 2.75rem;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  border-radius: var(--radius-full);
  background-color: var(--primary);
  color: var(--primary-foreground);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: opacity 0.15s ease, transform 0.1s ease;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

@media (min-width: 640px) {
  .btn-primary {
    height: 3rem;
    font-size: 0.875rem;
  }
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-primary:active {
  transform: translateY(1px);
}

.os-icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.meta-caption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted-foreground);
  text-align: center;
}

@media (min-width: 640px) {
  .meta-caption {
    text-align: left;
  }
}

/* Format Switcher Pills */
.format-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding-top: 0.25rem;
}

.pill-link {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
  background-color: var(--muted);
  border: 1px solid var(--border);
  color: var(--muted-foreground);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.15s ease;
}

.pill-link:hover {
  color: var(--foreground);
  border-color: var(--card-border-hover);
  background-color: var(--secondary);
}

.pill-link.active-pill {
  color: var(--foreground);
  border-color: var(--card-border-hover);
  background-color: var(--card-hover);
  box-shadow: 0 0 0 1px var(--card-border-hover);
}

/* ==========================================================================
   Supported Linux Distros Deck
   ========================================================================== */
.distro-box {
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background-color: var(--card);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.distro-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--muted-foreground);
}

.distro-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}

.distro-chip {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background-color: var(--muted);
  border: 1px solid var(--border-subtle);
  color: var(--foreground);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.distro-note {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--muted-foreground);
  line-height: 1.4;
}

/* ==========================================================================
   Infinite Marquee Section (Exact Dora format)
   ========================================================================== */
.marquee-section {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding-top: 1.15rem;
  padding-bottom: 1.15rem;
  margin-left: -1.25rem;
  margin-right: -1.25rem;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--marquee-bg);
  overflow: hidden;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

@media (min-width: 640px) {
  .marquee-section {
    margin-left: -1.5rem;
    margin-right: -1.5rem;
    padding-top: 1.35rem;
    padding-bottom: 1.35rem;
  }
}

.marquee-container {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  width: 100%;
}

.marquee-track-wrapper {
  display: flex;
  overflow: hidden;
  user-select: none;
  gap: 1.75rem;
  width: 100%;
}

.marquee-track {
  display: flex;
  flex-shrink: 0;
  justify-content: space-around;
  gap: 1.75rem;
  animation: marquee 32s linear infinite;
}

.marquee-track-wrapper:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-100% - 1.75rem));
  }
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
  opacity: 0.8;
  cursor: default;
  transition: opacity 0.2s ease, filter 0.2s ease;
}

.marquee-item:hover {
  opacity: 1;
}

.marquee-icon-box {
  width: 1.85rem;
  height: 1.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background-color: var(--card);
  border: 1px solid var(--border);
  padding: 0.25rem;
  box-shadow: var(--shadow-sm);
}

.marquee-icon-box svg {
  width: 1.1rem;
  height: 1.1rem;
}

.marquee-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--foreground);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

/* Gradient side masks (Exact Dora technique) */
.marquee-mask-left {
  pointer-events: none;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 16.666%;
  background: linear-gradient(to right, var(--background), transparent);
  z-index: 10;
}

.marquee-mask-right {
  pointer-events: none;
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  width: 16.666%;
  background: linear-gradient(to left, var(--background), transparent);
  z-index: 10;
}

/* ==========================================================================
   Architecture & Philosophy (3-Column Grid)
   ========================================================================== */
.section-block {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 640px) {
  .section-block {
    gap: 1.25rem;
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

@media (min-width: 640px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.15rem;
  }
}

.card-arch {
  padding: 1rem 1.15rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  background-color: var(--card);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.card-arch:hover {
  border-color: var(--card-border-hover);
  background-color: var(--card-hover);
}

.card-arch-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-bottom: 0.15rem;
}

.card-arch-top .num {
  font-weight: 700;
  color: var(--muted-foreground);
}

.card-arch-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
  letter-spacing: -0.01em;
}

.card-arch-desc {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  line-height: 1.55;
}

/* ==========================================================================
   Security & Core Tooling (Stacked Bento Cards)
   ========================================================================== */
.bento-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.bento-card {
  padding: 0.95rem 1.15rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  background-color: var(--card);
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.bento-card:hover {
  border-color: var(--card-border-hover);
  background-color: var(--card-hover);
}

.bento-icon-container {
  padding: 0.5rem;
  border-radius: var(--radius-md);
  background-color: var(--muted);
  border: 1px solid var(--border);
  flex-shrink: 0;
  margin-top: 0.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bento-icon-container svg {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--foreground);
}

.bento-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.bento-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
  letter-spacing: -0.01em;
}

.bento-desc {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  line-height: 1.55;
}

/* ==========================================================================
   Interactive Desktop Deck Mockup
   ========================================================================== */
.preview-deck {
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  background-color: var(--card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.preview-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background-color: var(--muted);
  border-bottom: 1px solid var(--border-subtle);
}

.traffic-dots {
  display: flex;
  gap: 0.4rem;
}

.dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 9999px;
  background-color: var(--border-subtle);
  border: 1px solid var(--border);
}

.preview-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--muted-foreground);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.pulse-indicator {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 9999px;
  background-color: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.preview-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sim-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-md);
  background-color: var(--background);
  border: 1px solid var(--border);
}

.sim-input-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted-foreground);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.sim-fetch-btn {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  background-color: var(--primary);
  color: var(--primary-foreground);
  font-weight: 600;
}

.sim-media-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  background-color: var(--secondary);
  border: 1px solid var(--border);
}

@media (min-width: 640px) {
  .sim-media-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.sim-media-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sim-media-thumb {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-sm);
  background-color: var(--muted);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sim-media-details {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.sim-media-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--foreground);
}

.sim-media-meta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--muted-foreground);
  display: flex;
  gap: 0.5rem;
}

.sim-progress-box {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 11rem;
}

.sim-progress-bar-track {
  width: 100%;
  height: 4px;
  background-color: var(--muted);
  border-radius: 9999px;
  overflow: hidden;
}

.sim-progress-bar-fill {
  height: 100%;
  width: 78%;
  background: linear-gradient(to right, #06b6d4, #22c55e);
  border-radius: 9999px;
  animation: pulse-width 3s ease-in-out infinite alternate;
}

@keyframes pulse-width {
  0% { width: 45%; }
  100% { width: 92%; }
}

.sim-progress-stats {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--muted-foreground);
  display: flex;
  justify-content: space-between;
}

/* ==========================================================================
   Bottom CTA Section
   ========================================================================== */
.bottom-cta-section {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 640px) {
  .bottom-cta-section {
    padding-top: 2.75rem;
    gap: 1.25rem;
  }
}

.bottom-cta-heading {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--foreground);
}

@media (min-width: 640px) {
  .bottom-cta-heading {
    font-size: 1.85rem;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  padding-top: 2rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid var(--border-subtle);
  background-color: var(--background);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: center;
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    text-align: left;
  }
}

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

.footer-links a {
  color: var(--muted-foreground);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

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