/* ============================================
   GX365S Design System — Deep Plum + Hot Pink
   ============================================ */

:root {
  /* Core Palette */
  --color-primary: #1a0a1e;
  --color-secondary: #e91e8c;
  --color-accent: #ffd700;
  --color-bg: #120812;
  --color-surface: rgba(233, 30, 140, 0.08);
  --color-text: #ffffff;

  /* Extended Tokens */
  --bg-footer: #10060f;
  --bg-card-solid: #2a1030;
  --bg-card-dark: #150a18;
  --bg-heading-block: rgba(26, 10, 30, 0.5);
  --bg-ticker: #1f0d24;
  --text-heading: #ffecd2;
  --text-heading-alt: #ffe0b2;
  --text-nav-hover: #ffd700;
  --text-link: #f48fb1;
  --text-keyword: #f8bbd0;
  --text-footer-brand: #ff6ec7;
  --border-header: #f06292;
  --border-section: #e91e8c;
  --border-footer: #ff4081;
  --border-faq: #2a1030;
  --border-divider: #f8bbd0;

  /* Gradients */
  --gradient-btn-primary: linear-gradient(180deg, #e91e8c 0%, #c2185b 100%);
  --gradient-btn-secondary: linear-gradient(180deg, #f06292 0%, #e91e8c 100%);
  --gradient-btn-mobile: linear-gradient(180deg, #e91e8c 0%, #c2185b 100%);
  --gradient-provider: linear-gradient(135deg, #2a1030 0%, #1a0a1e 100%);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 60px;
  --space-3xl: 80px;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: 'Kanit', sans-serif;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-attachment: fixed;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--text-link); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--text-nav-hover); }
ul, ol { list-style-position: inside; }

/* ============================================
   Typography
   ============================================ */
h1 { font-size: 32px; font-weight: 600; line-height: 1.2; color: var(--text-heading); margin-bottom: var(--space-lg); }
h2 { font-size: 25px; font-weight: 600; line-height: 1.3; color: var(--text-heading); margin-bottom: var(--space-md); }
h3 { font-size: 20px; font-weight: 600; line-height: 1.3; color: var(--text-heading-alt); margin-bottom: var(--space-md); }
p { margin-bottom: var(--space-md); }

/* ============================================
   Layout
   ============================================ */
.container { max-width: 1240px; margin: 0 auto; padding: 0 var(--space-md); }
.section { padding: var(--space-xl) 0; }
.section-inner { max-width: 1240px; margin: 0 auto; padding: 0 var(--space-md); }

/* ============================================
   Header
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-primary);
  border-bottom: 1px solid var(--border-header);
  height: 72px;
}
.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-text {
  display: none;
}
.logo img { height: 56px; width: auto; }
.main-nav { display: flex; align-items: center; gap: var(--space-lg); }
.main-nav a {
  color: var(--color-text);
  font-size: 16px;
  font-weight: 700;
  padding: var(--space-sm) var(--space-md);
  transition: color 0.2s ease;
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active { color: var(--text-nav-hover); }

/* ============================================
   CTA Buttons
   ============================================ */
.cta-button, .cta-primary {
  display: inline-block;
  background: var(--gradient-btn-primary);
  color: #fff;
  font-family: 'Kanit', sans-serif;
  font-size: 16px;
  font-weight: 500;
  padding: 14px 32px;
  border-radius: 25px;
  border: none;
  cursor: pointer;
  text-shadow: 0 0 10px rgba(0,0,0,0.3);
  transition: transform 0.2s cubic-bezier(0.4,0,0.2,1), box-shadow 0.2s ease;
  text-align: center;
  white-space: nowrap;
}
.cta-button:hover, .cta-primary:hover { transform: scale(0.96); color: #fff; box-shadow: 0 4px 20px rgba(233,30,140,0.4); }
.cta-header { padding: 10px 24px; font-size: 15px; }
.cta-header-nav { display: inline-block; }
.cta-footer {
  background: var(--gradient-btn-secondary);
  border: 1px solid rgba(255,255,255,0.9);
  border-radius: 25px;
  padding: 14px 32px;
  color: #fff;
  font-weight: 500;
}
.cta-footer:hover { transform: scale(0.96); color: #fff; }

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
  padding: var(--space-2xl) 0 var(--space-xl);
  text-align: center;
}
.hero-image {
  border-radius: 10px;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto var(--space-lg);
  overflow: hidden;
}
.hero-image img { width: 100%; height: auto; border-radius: 10px; }
.hero-content { max-width: 900px; margin: 0 auto; text-align: center; }
.hero-content h1 { font-size: 36px; margin-bottom: var(--space-md); }
.hero-cta { margin-top: var(--space-lg); }

/* ============================================
   Ticker
   ============================================ */
.ticker-bar {
  background: var(--bg-ticker);
  border-radius: 20px;
  max-width: 1240px;
  margin: 0 auto var(--space-xl);
  padding: var(--space-sm) var(--space-md);
  overflow: hidden;
  white-space: nowrap;
}
.ticker-content {
  display: inline-block;
  animation: ticker-scroll 25s linear infinite;
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 500;
}
@keyframes ticker-scroll { 0% { transform: translateX(100%); } 100% { transform: translateX(-100%); } }

/* ============================================
   Content Sections
   ============================================ */
.content-card {
  background: var(--color-surface);
  border: 2px solid var(--border-section);
  border-radius: 10px;
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
}
.content-card:hover { box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); align-items: center; }
.two-col-reverse { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); align-items: center; }
.two-col-reverse .col-image { order: -1; }
.col-text { padding: var(--space-md) 0; }
.col-image img { border-radius: 10px; width: 100%; }

/* H3 Blocks */
.h3-block {
  background: var(--bg-heading-block);
  border-radius: 10px;
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}
.h3-block h3 { color: var(--text-heading-alt); }
.h3-block ul, .h3-block ol { padding-left: var(--space-lg); margin-bottom: var(--space-md); }
.h3-block li { margin-bottom: var(--space-sm); line-height: 1.6; }

/* Label Bars */
.label-bar {
  background: var(--gradient-provider);
  border: 1px solid var(--border-section);
  border-radius: 7px;
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
  font-weight: 600;
  color: var(--text-heading);
}

/* ============================================
   FAQ Section
   ============================================ */
.faq-section {
  background: var(--bg-card-dark);
  border-radius: 20px;
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
}
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); margin-top: var(--space-lg); }
.faq-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-faq);
  border-radius: 20px;
  padding: 35px;
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), box-shadow 0.3s ease;
}
.faq-card:hover { transform: translate3d(0,-8px,0) scale(1.02); box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.faq-card strong, .faq-card .faq-q { color: var(--color-accent); font-weight: 600; display: block; margin-bottom: var(--space-sm); }
.faq-card p { font-size: 15px; line-height: 1.6; margin: 0; }

/* ============================================
   Review Section
   ============================================ */
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); margin-top: var(--space-lg); }
.review-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-faq);
  border-radius: 20px;
  padding: var(--space-lg);
  transition: transform 0.3s ease;
}
.review-card:hover { transform: translateY(-5px); }
.review-stars { color: var(--color-accent); margin-bottom: var(--space-sm); font-size: 18px; }
.review-author { font-size: 14px; color: var(--text-keyword); margin-top: var(--space-sm); }

/* ============================================
   Gallery
   ============================================ */
.gallery-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-sm); }
.gallery-grid img { border-radius: 7px; transition: filter 0.3s ease; cursor: pointer; }
.gallery-grid img:hover { filter: brightness(132%) contrast(121%) saturate(116%); }

/* ============================================
   Registration Steps
   ============================================ */
.reg-steps { counter-reset: step; }
.reg-steps li {
  counter-increment: step;
  list-style: none;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-divider);
  position: relative;
  padding-left: 48px;
}
.reg-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  background: var(--gradient-btn-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
}

/* ============================================
   Login Form
   ============================================ */
.login-form-container {
  max-width: 480px;
  margin: var(--space-lg) auto var(--space-xl);
  background: var(--bg-card-solid);
  border: 2px solid var(--border-section);
  border-radius: 20px;
  padding: var(--space-xl);
}
.login-form h3 { text-align: center; color: var(--text-heading); margin-bottom: var(--space-lg); }
.login-form label { display: block; margin-bottom: var(--space-xs); font-weight: 500; font-size: 15px; }
.login-form input {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  height: 48px;
  padding: 0 var(--space-md);
  color: var(--color-text);
  font-family: 'Kanit', sans-serif;
  font-size: 16px;
  margin-bottom: var(--space-md);
  transition: border-color 0.2s ease;
}
.login-form input:focus { border-color: var(--color-accent); outline: none; }
.login-form .cta-button { width: 100%; margin-top: var(--space-sm); }
.form-links { display: flex; justify-content: space-between; margin-top: var(--space-md); font-size: 14px; }

/* ============================================
   Promotion Cards
   ============================================ */
.promo-card {
  background: var(--color-surface);
  border: 2px solid var(--border-section);
  border-radius: 10px;
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}
.promo-card img { border-radius: 10px; margin-bottom: var(--space-md); max-width: 600px; width: 100%; margin-left: auto; margin-right: auto; }
.promo-card h2 { color: var(--text-heading); }
.promo-steps { margin: var(--space-md) 0; padding-left: var(--space-lg); }
.promo-steps li { margin-bottom: var(--space-sm); }

/* ============================================
   Blog Post Styles
   ============================================ */
.blog-content { max-width: 860px; margin: 0 auto; }
.blog-featured-img { border-radius: 10px; margin-bottom: var(--space-lg); width: 100%; }
.blog-meta { font-size: 14px; color: var(--text-keyword); margin-bottom: var(--space-xl); }
.blog-content h2 { margin-top: var(--space-xl); }
.blog-content p { margin-bottom: var(--space-md); line-height: 1.8; }
.blog-content ul, .blog-content ol { margin-bottom: var(--space-md); padding-left: var(--space-lg); }
.blog-content li { margin-bottom: var(--space-sm); line-height: 1.7; }
.blog-cta {
  text-align: center;
  margin: var(--space-xl) 0;
  padding: var(--space-lg);
  background: var(--bg-card-solid);
  border-radius: 10px;
  border: 1px solid var(--border-section);
}

/* ============================================
   Archive / Post Grid
   ============================================ */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); margin-top: var(--space-lg); }
.post-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-faq);
  border-radius: 10px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.post-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.post-card-image img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.post-card-content { padding: var(--space-md); }
.post-card-content h2 { font-size: 18px; margin-bottom: var(--space-sm); }
.post-card-content h2 a { color: var(--text-heading); }
.post-card-content h2 a:hover { color: var(--color-accent); }
.post-card-meta { font-size: 13px; color: var(--text-keyword); margin-bottom: var(--space-sm); }
.post-card-content p { font-size: 15px; line-height: 1.6; margin-bottom: var(--space-sm); color: rgba(255,255,255,0.8); }
.read-more { color: var(--color-secondary); font-weight: 500; font-size: 14px; }
.read-more:hover { color: var(--color-accent); }

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--bg-footer);
  border-top: 2px solid var(--border-footer);
  padding: var(--space-xl) 0 var(--space-lg);
}
.footer-inner { max-width: 1240px; margin: 0 auto; padding: 0 var(--space-md); }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); }
.footer-brand { font-size: 24px; font-weight: 700; color: var(--text-footer-brand); margin-bottom: var(--space-md); }
.footer-desc { font-size: 14px; line-height: 1.6; color: rgba(255,255,255,0.7); }
.footer-links h4 { color: var(--text-heading); margin-bottom: var(--space-md); font-size: 16px; }
.footer-links a { display: block; color: rgba(255,255,255,0.7); font-size: 14px; padding: var(--space-xs) 0; }
.footer-links a:hover { color: var(--text-nav-hover); }
.footer-cta-section { text-align: center; padding-top: var(--space-md); }
.footer-cta-section p { margin-bottom: var(--space-md); font-size: 15px; color: rgba(255,255,255,0.8); }
.footer-copyright {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ============================================
   Floating CTA (Mobile)
   ============================================ */
.floating-cta {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  display: none;
}
.floating-cta .cta-button {
  background: var(--gradient-btn-mobile);
  padding: 14px 40px;
  font-size: 16px;
  box-shadow: 0 4px 20px rgba(233,30,140,0.5);
  animation: pulse-glow 2s infinite;
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 4px 20px rgba(233,30,140,0.5); }
  50% { box-shadow: 0 4px 30px rgba(233,30,140,0.8); }
}

/* ============================================
   Hamburger Menu
   ============================================ */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  z-index: 1001;
}
.hamburger span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* Mobile Nav Overlay */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(18, 8, 18, 0.98);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: var(--space-xl);
  gap: var(--space-md);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  color: var(--color-text);
  font-size: 20px;
  font-weight: 600;
  padding: var(--space-md) var(--space-xl);
}
.mobile-nav a:hover { color: var(--text-nav-hover); }
.mobile-nav .cta-button { margin-top: var(--space-md); }

/* ============================================
   Scroll Animations
   ============================================ */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.5s ease-out, transform 0.5s ease-out; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   Keyword Highlight
   ============================================ */
.kw-highlight { color: var(--text-keyword); font-weight: 500; }

/* ============================================
   Table of Contents
   ============================================ */
.toc {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-faq);
  border-radius: 10px;
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}
.toc h3 { font-size: 18px; margin-bottom: var(--space-md); }
.toc ol { padding-left: var(--space-lg); }
.toc li { margin-bottom: var(--space-sm); }
.toc a { color: var(--text-link); font-size: 15px; }
.toc a:hover { color: var(--color-accent); }

/* ============================================
   Responsive — Tablet (768-1024px)
   ============================================ */
@media (max-width: 1024px) {
  h1 { font-size: 25px; }
  h2 { font-size: 21px; }
  h3 { font-size: 19px; }
  body { font-size: 16px; }
  .hero-content h1 { font-size: 28px; }
  .two-col, .two-col-reverse { grid-template-columns: 1fr; }
  .two-col-reverse .col-image { order: 0; }
  .faq-grid { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(6, 1fr); }
  .post-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
  .cta-header-nav { display: none; }
  .hamburger { display: flex; }
  .main-nav { display: none; }
  .section { padding: var(--space-lg) 0; }
}

/* ============================================
   Responsive — Mobile (<767px)
   ============================================ */
@media (max-width: 767px) {
  h1 { font-size: 20px; }
  h2 { font-size: 19px; }
  h3 { font-size: 17px; }
  body { font-size: 15px; }
  .promo-card img { max-width: 100%; }
  .container, .section-inner, .content-card, .faq-section, .promo-card, .blog-content, .login-form-container { max-width: 100%; }
  table { display: block; overflow-x: auto; max-width: 100%; }
  .hero-content h1 { font-size: 22px; }
  .container, .section-inner, .header-inner, .footer-inner { padding: 0 var(--space-sm); }
  .hero-section { padding: var(--space-lg) 0; }
  .content-card { padding: var(--space-md); }
  .faq-card { padding: var(--space-lg); }
  .post-grid { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-md); }
  .cta-button, .cta-primary { width: 100%; min-height: 48px; padding: 14px 24px; }
  .floating-cta { display: block; }
  .login-form-container { margin: var(--space-md) auto; padding: var(--space-lg); }
  .two-col, .two-col-reverse { gap: var(--space-md); }
  .h3-block { padding: var(--space-md); }
  .reg-steps li { padding-left: 44px; }
  .promo-card { padding: var(--space-md); }
  .blog-content { padding: 0 var(--space-xs); }
  .section { padding: var(--space-md) 0; }
  .footer-cta-section { padding-top: var(--space-sm); }
  .ticker-bar { border-radius: 10px; margin-bottom: var(--space-md); }
}