/* ============================================
   Chibi Gen Studio — Main Stylesheet
   Modern, clean, beautiful design
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --color-bg: #0a0a0f;
  --color-bg-alt: #12121a;
  --color-bg-card: #1a1a26;
  --color-bg-card-hover: #22222f;
  --color-surface: #1e1e2e;
  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-light: rgba(255, 255, 255, 0.1);

  --color-text: #e4e4e7;
  --color-text-muted: #9ca3af;
  --color-text-dim: #6b7280;

  --color-primary: #a78bfa;
  --color-primary-light: #c4b5fd;
  --color-primary-dark: #7c3aed;
  --color-primary-glow: rgba(167, 139, 250, 0.15);

  --color-accent: #f472b6;
  --color-accent-light: #f9a8d4;

  --color-gumroad: #ff90e8;
  --color-gumroad-dark: #e06bc8;
  --color-superhive: #60a5fa;
  --color-superhive-dark: #3b82f6;

  --color-success: #34d399;
  --color-warning: #fbbf24;

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Space Grotesk', 'Inter', sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px var(--color-primary-glow);

  --container-max: 1200px;
  --container-narrow: 800px;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-light);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  line-height: 1;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(124, 58, 237, 0.4);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary-light);
  border: 2px solid var(--color-border-light);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-glow);
  color: #fff;
  transform: translateY(-2px);
}

.btn-gumroad {
  background: linear-gradient(135deg, var(--color-gumroad), var(--color-gumroad-dark));
  color: #1a1a26;
  font-weight: 700;
}
.btn-gumroad:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(255, 144, 232, 0.35);
  color: #1a1a26;
}

.btn-superhive {
  background: linear-gradient(135deg, var(--color-superhive), var(--color-superhive-dark));
  color: #fff;
  font-weight: 700;
}
.btn-superhive:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(96, 165, 250, 0.35);
  color: #fff;
}

.btn-nav {
  padding: 10px 22px;
  font-size: 0.875rem;
  background: var(--color-primary-glow);
  color: var(--color-primary-light);
  border: 1px solid rgba(167, 139, 250, 0.2);
}
.btn-nav:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.3s ease;
  background: transparent;
}

.site-header.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
}

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

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
}

.logo-icon {
  font-size: 1.4rem;
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-actions {
  margin-left: 16px;
}

.site-nav a {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.2s ease;
}

.site-nav a:hover {
  color: #fff;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0;
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(20px);
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.mobile-menu.active {
  max-height: 300px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu a {
  display: block;
  padding: 12px 0;
  font-size: 1rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 20%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(244, 114, 182, 0.06) 0%, transparent 50%);
  animation: heroGlow 20s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-5%, -5%) scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary-light);
  background: var(--color-primary-glow);
  border: 1px solid rgba(167, 139, 250, 0.15);
  border-radius: var(--radius-full);
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 0%, var(--color-primary-light) 50%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--color-text-muted);
  max-width: 620px;
  margin: 0 auto 40px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

/* ---------- Section Styles ---------- */
.section {
  padding: 100px 0;
}

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

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ---------- Features / Why Choose Us ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 20px;
  display: block;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---------- About / Meet Creator ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-bg-card), var(--color-surface));
}

.about-text h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.8;
}

.about-text blockquote {
  border-left: 3px solid var(--color-primary);
  padding-left: 20px;
  margin: 24px 0;
  font-style: italic;
  color: var(--color-text);
}

/* ---------- Blog List ---------- */
.blog-hero {
  padding: 140px 0 60px;
  text-align: center;
}

.blog-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 12px;
}

.blog-hero p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 28px;
  padding-bottom: 80px;
}

.post-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-md);
}

.post-card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-surface);
}

.post-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.post-card:hover .post-card-image img {
  transform: scale(1.05);
}

.post-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.post-card-meta {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.category-tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--color-primary-glow);
  color: var(--color-primary-light);
  border-radius: var(--radius-full);
}

.post-card-body h2 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  line-height: 1.35;
}

.post-card-body h2 a {
  color: #fff;
}
.post-card-body h2 a:hover {
  color: var(--color-primary-light);
}

.post-card-body p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  flex: 1;
}

.post-card-footer {
  padding: 0 28px 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.post-card-footer .read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.post-card-footer .read-more svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

.post-card:hover .read-more svg {
  transform: translateX(4px);
}

/* ---------- Post Full (Article) ---------- */
.post-full {
  padding-top: 100px;
}

.post-header {
  padding: 40px 0;
  text-align: center;
}

.post-hero-image {
  max-width: var(--container-narrow);
  margin: 0 auto 32px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.post-hero-image img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.post-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--color-text-dim);
  margin-bottom: 20px;
}

.post-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  max-width: var(--container-narrow);
  margin: 0 auto 12px;
  letter-spacing: -0.01em;
}

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

/* Post Content */
.post-content {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 40px 0 60px;
}

.post-content h2 {
  font-size: 1.6rem;
  margin: 48px 0 16px;
}

.post-content h3 {
  font-size: 1.3rem;
  margin: 36px 0 12px;
}

.post-content p {
  margin-bottom: 18px;
  color: var(--color-text);
  line-height: 1.85;
}

.post-content ul, .post-content ol {
  margin-bottom: 18px;
  padding-left: 24px;
}

.post-content li {
  margin-bottom: 8px;
  color: var(--color-text);
  line-height: 1.7;
}

.post-content img {
  border-radius: var(--radius-md);
  margin: 28px 0;
  border: 1px solid var(--color-border);
}

.post-content blockquote {
  border-left: 3px solid var(--color-primary);
  padding: 16px 24px;
  margin: 28px 0;
  background: var(--color-bg-card);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.post-content blockquote p {
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 0;
}

.post-content code {
  background: var(--color-bg-card);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.88rem;
}

.post-content pre {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 24px 0;
  overflow-x: auto;
}

.post-content pre code {
  background: none;
  padding: 0;
}

/* Video Embed */
.video-embed {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  margin: 32px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Video Container - สำหรับหน้าแรก */
.video-container {
  max-width: 800px;
  margin: 0 auto;
}

.video-container .video-embed {
  max-width: 100%;
  padding-bottom: 56.25%;
}

/* Shop Buttons in Post */
.post-shop-buttons {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 40px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  margin-bottom: 48px;
}

.post-shop-buttons h3 {
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.shop-button-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Post Navigation */
.post-navigation {
  max-width: var(--container-narrow);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding-bottom: 80px;
}

.post-nav-link {
  display: block;
  padding: 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.post-nav-link:hover {
  border-color: var(--color-border-light);
  background: var(--color-bg-card-hover);
}

.post-nav-link.next {
  text-align: right;
}

.nav-label {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 6px;
}

.post-nav-link.next .nav-label {
  justify-content: flex-end;
}

.nav-label svg {
  width: 14px;
  height: 14px;
}

.nav-title {
  font-family: var(--font-heading);
  font-weight: 600;
  color: #fff;
  font-size: 0.95rem;
}

/* ---------- Page Content ---------- */
.page-content {
  padding: 140px 0 80px;
}

.page-header {
  text-align: center;
  margin-bottom: 60px;
}

.page-header h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 12px;
}

.page-subtitle {
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo-icon {
  font-size: 1.6rem;
  display: block;
  margin-bottom: 4px;
}

.footer-brand h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.footer-tagline {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.footer-founder {
  color: var(--color-text-dim);
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.footer-location {
  color: var(--color-text-dim);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-location svg {
  width: 14px;
  height: 14px;
}

.footer-links h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.footer-links a {
  display: block;
  color: var(--color-text-dim);
  font-size: 0.9rem;
  padding: 5px 0;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
  font-size: 0.82rem;
  color: var(--color-text-dim);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  color: var(--color-text-dim);
  font-size: 0.82rem;
}
.footer-legal a:hover {
  color: var(--color-text);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .site-nav {
    display: none;
  }

  .nav-links {
    flex-direction: column;
    gap: 16px;
  }

  .nav-actions {
    margin-left: 0;
    margin-top: 16px;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .hero {
    min-height: 90vh;
    padding: 100px 20px 60px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .section {
    padding: 60px 0;
  }

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

  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-image {
    max-width: 360px;
    margin: 0 auto;
  }

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

  .post-navigation {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .btn {
    padding: 12px 22px;
    font-size: 0.88rem;
  }

  .feature-card {
    padding: 28px 24px;
  }

  .post-content {
    padding: 24px 0 48px;
  }
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Scroll animation helper */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}