@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ── Light Theme (Default) ─────────────────────────────────────────────── */
:root {
  --bg: #f8fafc;
  --bg-gradient: radial-gradient(circle at top right, #ede9fe, #f8fafc 50%);
  --surface: #ffffff;
  --surface-hover: #f1f5f9;
  --border: rgba(0, 0, 0, 0.07);
  --border-hover: rgba(0, 0, 0, 0.14);
  --text: #1e293b;
  --text-muted: #64748b;
  --primary: #4f46e5;
  --primary-hover: #6366f1;
  --accent: #7c3aed;
  --green: #059669;
  --nav-bg: rgba(248, 250, 252, 0.85);
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --footer-bg: #f1f5f9;
  --donate-bg: linear-gradient(145deg, #f1f5f9, #ffffff);
  --donate-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.08);
  --orb-opacity: 0.15;
  --about-bg: rgba(241, 245, 249, 0.5);
  --about-img-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  --badge-bg: rgba(79, 70, 229, 0.08);
  --badge-border: rgba(79, 70, 229, 0.2);
  --badge-text: var(--primary);
  --font: 'Outfit', system-ui, -apple-system, sans-serif;
  --mono: 'SF Mono', 'Cascadia Code', Consolas, monospace;
  --max-w: 1100px;
  --radius-lg: 16px;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Dark Theme ────────────────────────────────────────────────────────── */
:root[data-theme="dark"] {
  --bg: #030712;
  --bg-gradient: radial-gradient(circle at top right, #1e1b4b, #030712 50%);
  --surface: rgba(17, 24, 39, 0.6);
  --surface-hover: rgba(31, 41, 55, 0.8);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.2);
  --text: #f9fafb;
  --text-muted: #9ca3af;
  --primary: #6366f1;
  --primary-hover: #818cf8;
  --accent: #a855f7;
  --green: #10b981;
  --nav-bg: rgba(3, 7, 18, 0.7);
  --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  --card-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.4);
  --footer-bg: #030712;
  --donate-bg: linear-gradient(145deg, rgba(17, 24, 39, 0.8), rgba(3, 7, 18, 0.9));
  --donate-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --orb-opacity: 0.4;
  --about-bg: rgba(0, 0, 0, 0.2);
  --about-img-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  --badge-bg: rgba(99, 102, 241, 0.1);
  --badge-border: rgba(99, 102, 241, 0.3);
  --badge-text: var(--primary-hover);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg);
}

body {
  font-family: var(--font);
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  position: relative;
}

/* Background Glowing Orbs */
body::before,
body::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  opacity: var(--orb-opacity);
  pointer-events: none;
}

body::before {
  width: 400px;
  height: 400px;
  background: var(--primary);
  top: -100px;
  left: -100px;
}

body::after {
  width: 300px;
  height: 300px;
  background: var(--accent);
  bottom: -50px;
  right: -50px;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-hover);
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Nav ───────────────────────────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  letter-spacing: -0.02em;
}

.nav-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switch {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  background: var(--surface);
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.lang-switch a {
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.lang-switch a.active {
  background: var(--border);
  color: var(--text);
}

/* Theme Toggle */
.theme-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.55rem;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--text-muted);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

/* ── Hero ──────────────────────────────────────────────────────────────── */
#hero {
  text-align: center;
  padding: 10rem 0 6rem;
  position: relative;
}

.badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--badge-text);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  backdrop-filter: blur(8px);
}

#hero h1 {
  font-size: 4.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--text), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

/* ── Tools Section ─────────────────────────────────────────────────────── */
#tools {
  padding: 5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text);
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--card-shadow);
}

.tool-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: var(--card-shadow-hover);
}

.tool-card.active-tool {
  border-color: rgba(79, 70, 229, 0.3);
}

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

.tool-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.tool-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background: var(--badge-bg);
  border: 1px solid var(--border);
}

.tool-card h3 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.tool-card p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  flex-grow: 1;
}

.features-list {
  list-style: none;
  margin-bottom: 2rem;
}

.features-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.features-list li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 800;
}

/* Coming Soon Tool */
.tool-card.disabled-tool {
  opacity: 0.75;
  cursor: not-allowed;
}

.tool-card.disabled-tool:hover {
  transform: none;
  border-color: var(--border);
  box-shadow: var(--card-shadow);
}

.status-badge {
  background: var(--badge-bg);
  color: var(--text-muted);
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--border);
}

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
  color: #fff;
}

.btn-secondary {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--border-hover);
  color: var(--text);
}

.btn-disabled {
  background: var(--surface-hover);
  border-color: var(--border);
  color: var(--text-muted);
  cursor: not-allowed;
  pointer-events: none;
}

/* ── Blog Section ──────────────────────────────────────────────────────── */
#blog {
  padding: 5rem 0;
  position: relative;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  box-shadow: var(--card-shadow);
}

.blog-card:hover {
  transform: translateY(-5px);
  border-color: rgba(124, 58, 237, 0.3);
  box-shadow: var(--card-shadow-hover);
}

.blog-meta {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.blog-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text);
  line-height: 1.3;
}

.blog-card p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.read-more {
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.blog-card:hover .read-more {
  color: var(--accent);
  gap: 0.75rem;
}

/* ── Language Content Visibility ────────────────────────────────────────── */
[data-lang]:not(.lang-active) {
  display: none !important;
}

/* ── Blog Article Page ─────────────────────────────────────────────────── */
.post-reader {
  padding: 10rem 0 5rem;
  min-height: 80vh;
}

.container-sm {
  max-width: 800px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.back-link:hover {
  color: var(--primary);
  transform: translateX(-5px);
}

.post-header {
  margin-bottom: 4rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.post-header h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.post-content p {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.post-content strong {
  color: var(--text);
}

.post-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.post-content a:hover {
  color: var(--accent);
}

.post-img {
  max-width: 150px;
  display: block;
  margin: 3rem auto;
  opacity: 0.8;
}

.post-tags {
  margin-bottom: 1rem;
}

.post-meta {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 1rem;
}

/* ── About Section ─────────────────────────────────────────────────────── */
#about {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
  background: var(--about-bg);
}

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

.about-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.about-content p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--about-img-shadow);
}

.about-image img {
  max-width: 100%;
  border-radius: var(--radius-sm);
}

/* ── Donate Section ────────────────────────────────────────────────────── */
#donate {
  padding: 5rem 0;
  position: relative;
}

.donate-card {
  background: var(--donate-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 4rem 3rem;
  display: flex;
  align-items: center;
  gap: 3rem;
  box-shadow: var(--donate-shadow);
  position: relative;
  overflow: hidden;
}

.donate-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at right center, rgba(124, 58, 237, 0.06), transparent 50%);
  pointer-events: none;
}

.donate-icon {
  font-size: 5rem;
  line-height: 1;
  filter: drop-shadow(0 0 20px rgba(239, 68, 68, 0.3));
  animation: pulse 3s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.donate-content {
  flex: 1;
}

.donate-content h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.donate-content p {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 650px;
}

.donate-buttons {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.donate-buttons .btn {
  padding: 0.9rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.donate-buttons .btn-primary {
  background: linear-gradient(135deg, #f43f5e, #e11d48);
  box-shadow: 0 10px 25px rgba(225, 29, 72, 0.25);
}

.donate-buttons .btn-primary:hover {
  box-shadow: 0 15px 35px rgba(225, 29, 72, 0.4);
  transform: translateY(-3px);
}

.donate-buttons .btn-secondary {
  background: var(--surface);
  border: 1px solid var(--border);
}

.donate-buttons .btn-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--border-hover);
}

.sponsor-note {
  font-style: italic;
}

/* ── Footer ────────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
  background: var(--footer-bg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: var(--text);
  font-weight: 600;
}

.footer-col p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.license-info {
  font-size: 0.8rem !important;
  opacity: 0.7;
}

.license-info a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Blog Listing Page ─────────────────────────────────────────────────── */
.blog-listing {
  padding: 10rem 0 5rem;
  min-height: 80vh;
}

.blog-listing .section-header {
  margin-bottom: 3rem;
}

.blog-listing .blog-grid {
  max-width: 900px;
  margin: 0 auto;
}

/* ── Download Section ──────────────────────────────────────────────────── */
.download-section {
  margin-top: auto;
}

.download-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.dl-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.85rem;
  background: var(--surface-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  transition: var(--transition);
}

.dl-btn:hover {
  border-color: var(--primary);
  background: var(--badge-bg);
  color: var(--text);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.dl-btn.dl-recommended {
  border-color: var(--primary);
  background: var(--badge-bg);
}

.dl-btn svg {
  flex-shrink: 0;
  opacity: 0.65;
}

.dl-btn:hover svg,
.dl-btn.dl-recommended svg {
  opacity: 1;
}

.dl-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.3;
}

.dl-info strong {
  font-size: 0.85rem;
  font-weight: 600;
}

.dl-info small {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 400;
}

.all-releases-link {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  padding-top: 0.25rem;
}

.all-releases-link:hover {
  color: var(--primary);
}

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  #hero h1 {
    font-size: 2.8rem;
  }

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

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

  .donate-card {
    flex-direction: column;
    text-align: center;
    padding: 2.5rem 2rem;
  }

  .donate-buttons {
    justify-content: center;
  }

  .nav-links {
    display: none;
  }

  .post-header h1 {
    font-size: 2rem;
  }

  .blog-listing {
    padding: 8rem 0 3rem;
  }
}

@media (max-width: 480px) {
  #hero h1 {
    font-size: 2.2rem;
  }

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