/* ===================================================
   REMIXTOPTOP — โทนสีน้ำเงิน-ฟ้า-ขาว
   Token system:
   --navy-900: #0a1f44  (พื้นหลังเข้ม/ข้อความหลัก)
   --blue-700: #1e4fd6  (สีหลักจากโลโก้)
   --blue-500: #3b82f6  (ฟ้าสว่าง accent)
   --ice-100:  #e8f1ff  (พื้นหลังฟ้าอ่อน)
   --white:    #ffffff
=================================================== */

:root {
  --navy-900: #0a1f44;
  --navy-800: #0f2a5c;
  --blue-700: #1e4fd6;
  --blue-600: #2f63e8;
  --blue-500: #3b82f6;
  --blue-300: #93c5fd;
  --ice-100: #e8f1ff;
  --ice-50: #f5f9ff;
  --white: #ffffff;
  --gray-500: #5b6b8c;

  --font-display: 'Sora', 'Noto Sans Thai', sans-serif;
  --font-body: 'Noto Sans Thai', 'Sora', sans-serif;

  --radius-lg: 18px;
  --radius-md: 12px;
  --container: 1200px;

  --shadow-card: 0 10px 30px -10px rgba(10, 31, 68, 0.18);
  --shadow-lift: 0 18px 40px -12px rgba(30, 79, 214, 0.35);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--navy-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { text-decoration: none; color: inherit; }

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--navy-900);
  line-height: 1.25;
}

:focus-visible {
  outline: 3px solid var(--blue-500);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ===== Top utility bar ===== */
.topbar {
  background: var(--navy-900);
  color: var(--ice-100);
  font-size: 0.82rem;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 24px;
}
.topbar-right { color: var(--blue-300); }

/* ===== Header ===== */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--ice-100);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  gap: 24px;
}
.brand-logo { height: 38px; width: auto; }

.main-nav {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy-900);
  padding: 8px 2px;
  position: relative;
  white-space: nowrap;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  height: 2px; width: 0;
  background: var(--blue-600);
  transition: width 0.25s ease;
}
.main-nav a:hover::after,
.main-nav a.active::after { width: 100%; }
.main-nav a.active { color: var(--blue-700); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 11px 24px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-primary {
  background: linear-gradient(120deg, var(--blue-700), var(--blue-500));
  color: var(--white);
  box-shadow: var(--shadow-lift);
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--blue-700);
  border: 1.5px solid var(--blue-700);
  padding: 9px 22px;
}
.btn-ghost:hover { background: var(--ice-100); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  width: 100%;
  height: 2.5px;
  background: var(--navy-900);
  border-radius: 2px;
  transition: 0.25s ease;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--blue-700) 55%, var(--blue-500) 100%);
  color: var(--white);
  overflow: hidden;
  padding: 84px 0 110px;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='matrix' values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.05 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 160px 160px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 1;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--blue-300);
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.35);
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero h1 {
  color: var(--white);
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  margin-bottom: 18px;
}
.hero h1 span { color: var(--blue-300); }
.hero p.lead {
  color: rgba(255,255,255,0.8);
  font-size: 1.08rem;
  max-width: 520px;
  margin-bottom: 32px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 44px;
  flex-wrap: wrap;
}
.hero-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--white);
}
.hero-stat span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}
.hero-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 100%;
  max-width: 360px;
}
.hero-card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 0.92rem;
}
.hero-card-row:last-child { border-bottom: none; }
.hero-card-row .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue-300);
  margin-right: 10px;
  display: inline-block;
}
.hero-card-tag {
  font-size: 0.72rem;
  color: var(--blue-300);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
  display: block;
}

/* ===== Section heading ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--ice-50); }
.section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 48px;
}
.section-eyebrow {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--blue-700);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  display: block;
}
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 12px; }
.section-head p { color: var(--gray-500); font-size: 1rem; }

/* ===== Service cards (หน้าแรก) ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--ice-100);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--blue-300);
  box-shadow: var(--shadow-lift);
}
.service-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  color: var(--white);
}
.service-icon svg { width: 26px; height: 26px; }
.service-card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.service-card p { color: var(--gray-500); font-size: 0.92rem; margin-bottom: 16px; }
.service-link {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--blue-700);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.service-link svg { width: 14px; height: 14px; transition: transform 0.2s ease; }
.service-card:hover .service-link svg { transform: translateX(4px); }

/* ===== Why us / features ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-item { text-align: center; padding: 18px; }
.feature-item .feature-num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  color: var(--blue-300);
  font-weight: 700;
  letter-spacing: 0.06em;
}
.feature-item h4 { margin: 10px 0 8px; font-size: 1.02rem; }
.feature-item p { font-size: 0.88rem; color: var(--gray-500); }

/* ===== Steps (how it works) ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.step {
  text-align: center;
  padding: 0 16px;
  position: relative;
}
.step-circle {
  width: 54px; height: 54px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  position: relative;
  z-index: 1;
}
.step:nth-child(odd) .step-circle { background: linear-gradient(135deg, var(--blue-700), var(--blue-500)); }
.steps::before {
  content: '';
  position: absolute;
  top: 27px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: var(--ice-100);
  z-index: 0;
}
.step h4 { font-size: 1rem; margin-bottom: 6px; }
.step p { font-size: 0.86rem; color: var(--gray-500); }

/* ===== CTA banner ===== */
.cta-banner {
  background: linear-gradient(120deg, var(--navy-900), var(--blue-700));
  border-radius: var(--radius-lg);
  padding: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--white);
  flex-wrap: wrap;
}
.cta-banner h3 { color: var(--white); font-size: 1.5rem; margin-bottom: 8px; }
.cta-banner p { color: rgba(255,255,255,0.78); }

/* ===== Generic page hero (สำหรับหน้าบริการ) ===== */
.page-hero {
  background: linear-gradient(160deg, var(--navy-900), var(--blue-700));
  color: var(--white);
  padding: 60px 0 70px;
  position: relative;
  overflow: hidden;
}
.page-hero .breadcrumb {
  font-size: 0.85rem;
  color: var(--blue-300);
  margin-bottom: 14px;
}
.page-hero h1 { color: var(--white); font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.page-hero p { color: rgba(255,255,255,0.78); max-width: 600px; margin-top: 12px; }

/* ===== Product grid (เติมเกม/แพ็กเน็ต/ร้านค้า/พรีเมียม) ===== */
.product-toolbar {
  display: flex;
  gap: 12px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.product-toolbar input {
  flex: 1;
  min-width: 220px;
  padding: 13px 18px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--ice-100);
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.product-toolbar input:focus { border-color: var(--blue-500); outline: none; }
.filter-chip {
  padding: 11px 18px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--ice-100);
  background: var(--white);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy-900);
  cursor: pointer;
}
.filter-chip.active { background: var(--blue-700); color: var(--white); border-color: var(--blue-700); }

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--ice-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.product-thumb {
  height: 130px;
  background: linear-gradient(135deg, var(--navy-900), var(--blue-600));
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
}
.product-body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.product-body h4 { font-size: 1rem; margin-bottom: 4px; }
.product-body .product-sub { font-size: 0.82rem; color: var(--gray-500); margin-bottom: 14px; }
.product-price {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.product-price strong { color: var(--blue-700); font-family: var(--font-display); font-size: 1.05rem; }
.product-price .btn { padding: 8px 16px; font-size: 0.82rem; }

/* ===== Table (history / pricing list) ===== */
.data-table-wrap {
  background: var(--white);
  border: 1px solid var(--ice-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  background: var(--ice-100);
  color: var(--navy-900);
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-align: left;
  padding: 14px 18px;
}
.data-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--ice-100);
  font-size: 0.92rem;
}
.data-table tr:last-child td { border-bottom: none; }
.status-pill {
  display: inline-flex;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}
.status-success { background: #e3f8ec; color: #15803d; }
.status-pending { background: #fef6e0; color: #b45309; }
.status-failed { background: #fde8e8; color: #b91c1c; }

.empty-state {
  text-align: center;
  padding: 70px 20px;
  color: var(--gray-500);
}
.empty-state svg { width: 56px; height: 56px; color: var(--blue-300); margin: 0 auto 18px; }

/* ===== Contact page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info-card {
  background: linear-gradient(160deg, var(--navy-900), var(--blue-700));
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-info-card h3 { color: var(--white); margin-bottom: 18px; }
.contact-row {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 20px;
}
.contact-row .icon-box {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-row h5 { font-size: 0.95rem; margin-bottom: 3px; color: var(--white); }
.contact-row p { font-size: 0.86rem; color: rgba(255,255,255,0.75); margin: 0; }

.form-card {
  background: var(--white);
  border: 1px solid var(--ice-100);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--navy-900);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--ice-100);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--ice-50);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--blue-500);
  background: var(--white);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-alert {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  margin-bottom: 20px;
}
.form-alert-success { background: #e3f8ec; color: #15803d; border: 1px solid #b9ecce; }
.form-alert-error { background: #fde8e8; color: #b91c1c; border: 1px solid #f8c5c5; }

/* ===== Footer ===== */
.site-footer {
  background: var(--navy-900);
  color: rgba(255,255,255,0.7);
  position: relative;
  overflow: hidden;
  padding-top: 56px;
}
.footer-glow {
  position: absolute;
  top: -120px; left: 50%;
  width: 500px; height: 240px;
  background: radial-gradient(circle, rgba(59,130,246,0.35), transparent 70%);
  transform: translateX(-50%);
}
.footer-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo { height: 32px; margin-bottom: 14px; }
.footer-brand p { font-size: 0.86rem; max-width: 260px; }
.footer-col h4 {
  color: var(--white);
  font-size: 0.92rem;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 0.86rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 11px;
}
.footer-col a:hover { color: var(--blue-300); }
.footer-bottom {
  position: relative;
  z-index: 1;
  text-align: center;
  font-size: 0.8rem;
  padding: 22px 0;
}

/* ===================================================
   Responsive
=================================================== */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .steps::before { display: none; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .main-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--ice-100);
    box-shadow: var(--shadow-card);
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .header-actions .btn-ghost { display: none; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .cta-banner { flex-direction: column; text-align: center; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr 1fr; }
  .hero { padding: 60px 0 70px; }
  .topbar-inner { font-size: 0.72rem; }
}