/* ============================================================
   Solvia Nova — Main CSS
   Custom styles & AOS animations
   TailwindCSS loaded via CDN in HTML head
   ============================================================ */

/* ============================================================
   BASE RESETS & CUSTOM PROPERTIES
   ============================================================ */
:root {
  --bg-primary: #060816;
  --bg-secondary: #0F172A;
  --accent-blue: #3B82F6;
  --glow: rgba(59, 130, 246, 0.35);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: #f8fafc;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(59, 130, 246, 0.3);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(59, 130, 246, 0.5);
}

/* ============================================================
   SELECTION
   ============================================================ */
::selection {
  background: rgba(59, 130, 246, 0.3);
  color: #fff;
}

/* ============================================================
   TYPOGRAPHY — ARTICLE CONTENT
   ============================================================ */
.article-content {
  line-height: 1.8;
  font-size: 1rem;
}
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  color: #f1f5f9;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}
.article-content h2 { font-size: 1.5rem; }
.article-content h3 { font-size: 1.25rem; }
.article-content p {
  color: #94a3b8;
  margin-bottom: 1.25rem;
}
.article-content a {
  color: #60a5fa;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content a:hover { color: #93c5fd; }
.article-content ul,
.article-content ol {
  color: #94a3b8;
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}
.article-content li { margin-bottom: 0.5rem; }
.article-content blockquote {
  border-left: 3px solid #3b82f6;
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: rgba(59, 130, 246, 0.05);
  border-radius: 0 0.75rem 0.75rem 0;
  color: #cbd5e1;
  font-style: italic;
}
.article-content code {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(51, 65, 85, 0.5);
  padding: 0.15rem 0.4rem;
  border-radius: 0.375rem;
  font-size: 0.875em;
  color: #93c5fd;
  font-family: 'Fira Code', 'Cascadia Code', monospace;
}
.article-content pre {
  background: #0F172A;
  border: 1px solid rgba(51, 65, 85, 0.5);
  border-radius: 0.75rem;
  padding: 1.25rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
}
.article-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: #e2e8f0;
}
.article-content img {
  border-radius: 0.75rem;
  max-width: 100%;
  height: auto;
  margin: 1.5rem 0;
  border: 1px solid rgba(51, 65, 85, 0.5);
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}
.article-content th {
  background: rgba(59, 130, 246, 0.1);
  color: #93c5fd;
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(51, 65, 85, 0.6);
}
.article-content td {
  padding: 0.75rem 1rem;
  color: #94a3b8;
  border-bottom: 1px solid rgba(51, 65, 85, 0.4);
}
.article-content hr {
  border: none;
  border-top: 1px solid rgba(51, 65, 85, 0.5);
  margin: 2rem 0;
}

/* ============================================================
   LINE CLAMP UTILITIES
   ============================================================ */
.line-clamp-1 {
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
.line-clamp-2 {
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.line-clamp-3 {
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

/* ============================================================
   AOS ANIMATIONS — LIGHTWEIGHT CUSTOM
   ============================================================ */
[data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
  transition-duration: 0.6s;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}
[data-aos].aos-animate {
  opacity: 1;
  transform: none !important;
}
[data-aos="fade-up"] { transform: translateY(24px); }
[data-aos="fade-down"] { transform: translateY(-24px); }
[data-aos="fade-right"] { transform: translateX(-24px); }
[data-aos="fade-left"] { transform: translateX(24px); }
[data-aos="fade-in"] { transform: none; }
[data-aos="zoom-in"] { transform: scale(0.95); }

/* Delay utilities */
[data-aos-delay="80"]  { transition-delay: 80ms; }
[data-aos-delay="100"] { transition-delay: 100ms; }
[data-aos-delay="200"] { transition-delay: 200ms; }
[data-aos-delay="300"] { transition-delay: 300ms; }
[data-aos-delay="400"] { transition-delay: 400ms; }

/* ============================================================
   NAVBAR HEIGHT UTILITY
   ============================================================ */
#navbar { min-height: 72px; }

/* ============================================================
   GLASSMORPHISM CARD
   ============================================================ */
.glass-card {
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(51, 65, 85, 0.5);
  border-radius: 1rem;
}

/* ============================================================
   GLOW EFFECTS
   ============================================================ */
.glow-blue {
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.2);
}
.glow-blue-sm {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.15);
}

/* ============================================================
   BUTTON STYLES
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: #2563eb;
  color: #fff;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 0.75rem;
  transition: all 0.2s ease;
  box-shadow: 0 4px 24px rgba(59, 130, 246, 0.3);
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary:hover {
  background: #3b82f6;
  box-shadow: 0 4px 32px rgba(59, 130, 246, 0.4);
  transform: translateY(-1px);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  background: rgba(30, 41, 59, 0.5);
  color: #fff;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(51, 65, 85, 0.6);
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
}
.btn-secondary:hover {
  background: rgba(30, 41, 59, 0.8);
  border-color: rgba(59, 130, 246, 0.3);
}

/* ============================================================
   FORM INPUTS
   ============================================================ */
.form-input {
  width: 100%;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(51, 65, 85, 0.6);
  color: #f1f5f9;
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
  font-family: var(--font-sans);
}
.form-input:focus {
  border-color: rgba(59, 130, 246, 0.5);
}
.form-input::placeholder {
  color: #475569;
}

/* ============================================================
   BADGE / TAG
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid;
}
.badge-blue {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
}
.badge-emerald {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.2);
  color: #6ee7b7;
}

/* ============================================================
   SECTION DIVIDER
   ============================================================ */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.3), transparent);
}

/* ============================================================
   GRID BACKGROUND PATTERN
   ============================================================ */
.grid-bg {
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* ============================================================
   SWIPER GALLERY OVERRIDES
   ============================================================ */
.swiper-pagination-bullet {
  background: rgba(255, 255, 255, 0.3) !important;
  opacity: 1 !important;
}
.swiper-pagination-bullet-active {
  background: #3b82f6 !important;
}

/* ============================================================
   MASONRY GALLERY
   ============================================================ */
.masonry-grid {
  columns: 2;
  column-gap: 1rem;
}
@media (min-width: 768px) {
  .masonry-grid { columns: 3; }
}
@media (min-width: 1024px) {
  .masonry-grid { columns: 4; }
}
.masonry-item {
  break-inside: avoid;
  margin-bottom: 1rem;
}

/* ============================================================
   ADMIN SIDEBAR TRANSITION
   ============================================================ */
aside {
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   LOADING SKELETON
   ============================================================ */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.skeleton {
  background: linear-gradient(90deg, rgba(30,41,59,0.5) 25%, rgba(51,65,85,0.5) 50%, rgba(30,41,59,0.5) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 0.5rem;
}

/* ============================================================
   PULSE ANIMATION
   ============================================================ */
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(59, 130, 246, 0); }
}
.pulse-glow {
  animation: pulse-glow 2s infinite;
}

/* ============================================================
   HERO FLOATING ANIMATION
   ============================================================ */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}
.float-animation {
  animation: float 4s ease-in-out infinite;
}

/* ============================================================
   RESPONSIVE UTILITIES
   ============================================================ */
@media (max-width: 640px) {
  .article-content h2 { font-size: 1.25rem; }
  .article-content h3 { font-size: 1.1rem; }
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
  nav, footer, .no-print { display: none !important; }
  body { background: white; color: black; }
}

/* ============================================================
   HARMONIZED BORDERS — Override white outlines for cohesive dark UI
   Replace jarring white borders with subtle slate/blue tones
   ============================================================ */

/* Override border-white opacity variants used across components */
.border-white\/5 {
  border-color: rgba(30, 41, 59, 0.5) !important;
}
.border-white\/8 {
  border-color: rgba(51, 65, 85, 0.5) !important;
}
.border-white\/10 {
  border-color: rgba(51, 65, 85, 0.6) !important;
}
.border-white\/15 {
  border-color: rgba(51, 65, 85, 0.7) !important;
}
.border-white\/20 {
  border-color: rgba(71, 85, 105, 0.6) !important;
}

/* Override bg-white opacity variants for subtle backgrounds */
.bg-white\/3 {
  background-color: rgba(15, 23, 42, 0.4) !important;
}
.bg-white\/5 {
  background-color: rgba(30, 41, 59, 0.5) !important;
}
.bg-white\/10 {
  background-color: rgba(30, 41, 59, 0.7) !important;
}

/* Hover states — slightly brighter but still harmonized */
.hover\:bg-white\/5:hover {
  background-color: rgba(30, 41, 59, 0.6) !important;
}
.hover\:bg-white\/10:hover {
  background-color: rgba(30, 41, 59, 0.8) !important;
}
.hover\:border-white\/15:hover {
  border-color: rgba(59, 130, 246, 0.25) !important;
}
.hover\:border-white\/20:hover {
  border-color: rgba(59, 130, 246, 0.3) !important;
}

/* Navbar border when scrolled */
.border-b.border-white\/5 {
  border-bottom-color: rgba(30, 41, 59, 0.6) !important;
}

/* Border-t dividers (footer, sections) */
.border-t.border-white\/5 {
  border-top-color: rgba(30, 41, 59, 0.6) !important;
}

/* Border-y sections */
.border-y.border-white\/5 {
  border-top-color: rgba(30, 41, 59, 0.6) !important;
  border-bottom-color: rgba(30, 41, 59, 0.6) !important;
}

/* Lightbox context — keep white/10 for overlay buttons (dark bg-black/95 context) */
.fixed.bg-black\/95 .bg-white\/10,
[x-show="open"] .bg-white\/10 {
  background-color: rgba(255, 255, 255, 0.1) !important;
}
.fixed.bg-black\/95 .hover\:bg-white\/20:hover,
[x-show="open"] .hover\:bg-white\/20:hover {
  background-color: rgba(255, 255, 255, 0.2) !important;
}