/* ==============================================
   สไตล์เสริมที่ Tailwind รองรับไม่ได้
   ================================================ */

/* ฟอนต์หลัก */
@import url('https://fonts.googleapis.com/css2?family=Anuphan:wght@400;500;600;700&family=IBM+Plex+Sans+Thai:wght@300;400;500;600&display=swap');

/* ตัวแปรสี Design System */
:root {
  --primary: #fcd535;
  --primary-active: #f0b90b;
  --primary-soft: #fff7d6;
  --ink: #181a20;
  --ink-soft: #2b3139;
  --body: #3d4451;
  --muted: #707a8a;
  --canvas: #ffffff;
  --surface-soft: #fafafa;
  --surface-strong: #f5f5f5;
  --surface-dark: #181a20;
  --hairline: #eaecef;
  --hairline-strong: #d6dae0;
  --success: #0ecb81;
  --line-green: #06c755;
}

/* ฐาน typography */
body {
  font-family: 'IBM Plex Sans Thai', -apple-system, sans-serif;
  color: var(--body);
  background: var(--canvas);
  line-height: 1.7;
}

h1, h2, h3, h4, h5, h6,
.font-display {
  font-family: 'Anuphan', sans-serif;
}

/* ============================
   Navigation
   ============================ */
#main-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 72px;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  transition: box-shadow 0.3s ease;
}

#main-nav.scrolled {
  box-shadow: 0 2px 16px rgba(24, 26, 32, 0.08);
}

.nav-link {
  font-family: 'Anuphan', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.25s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* เมนู mobile */
#mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--canvas);
  padding: 24px;
  flex-direction: column;
}

#mobile-menu.open {
  display: flex;
}

/* ============================
   Buttons
   ============================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: var(--ink);
  font-family: 'Anuphan', sans-serif;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  height: 48px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary:hover {
  background: var(--primary-active);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--canvas);
  color: var(--ink);
  font-family: 'Anuphan', sans-serif;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  height: 48px;
  border-radius: 6px;
  border: 1px solid var(--hairline-strong);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s, transform 0.15s;
}

.btn-secondary:hover {
  border-color: var(--ink);
  transform: translateY(-1px);
}

.btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--line-green);
  color: #fff;
  font-family: 'Anuphan', sans-serif;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  height: 48px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity 0.2s, transform 0.15s;
}

.btn-line:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ============================
   Hero Section
   ============================ */
.hero-section {
  padding: 80px 0 80px;
  background: var(--canvas);
  position: relative;
  overflow: hidden;
}

/* ลายเส้นตกแต่งพื้นหลัง hero */
.hero-section::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: var(--primary-soft);
  opacity: 0.5;
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  right: 40px;
  top: 40px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.12;
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-soft);
  color: var(--ink-soft);
  font-family: 'Anuphan', sans-serif;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 6px 14px;
  border-radius: 9999px;
  border: 1px solid var(--primary);
}

.hero-title {
  font-family: 'Anuphan', sans-serif;
  font-size: clamp(34px, 5vw, 60px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.5px;
  color: var(--ink);
}

.hero-title .accent {
  color: var(--primary);
  position: relative;
  display: inline-block;
}

.hero-title .accent::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--primary);
  opacity: 0.25;
  border-radius: 2px;
}

.stat-number {
  font-family: 'Anuphan', sans-serif;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
}

.stat-accent {
  display: block;
  width: 32px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  margin-top: 6px;
}

/* ============================
   Cards (service-card)
   ============================ */
.service-card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 28px;
  transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
}

.service-card:hover {
  box-shadow: 0 12px 28px rgba(24, 26, 32, 0.10);
  transform: translateY(-3px);
  border-color: var(--primary);
}

.icon-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--primary-soft);
  border-radius: 10px;
  color: var(--ink);
  font-size: 20px;
}

/* ============================
   Banner Showcase (ad slots)
   ============================ */
.banner-section {
  background: var(--surface-soft);
  padding: 80px 0;
}

.ad-slot-large {
  background: var(--surface-strong);
  border: 2px dashed var(--hairline-strong);
  border-radius: 14px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: border-color 0.25s, background 0.25s;
  cursor: pointer;
  overflow: hidden;
}

.ad-slot-large::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-soft) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

.ad-slot-large:hover::before {
  opacity: 1;
}

.ad-slot-large:hover {
  border-color: var(--primary);
}

.ad-slot-small {
  background: var(--surface-strong);
  border: 2px dashed var(--hairline-strong);
  border-radius: 10px;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: border-color 0.25s, background 0.25s;
  cursor: pointer;
  overflow: hidden;
}

.ad-slot-small:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.slot-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary);
  color: var(--ink);
  font-family: 'Anuphan', sans-serif;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ============================
   เช็คเบอร์มงคล
   ============================ */
.lucky-section {
  background: var(--canvas);
  padding: 80px 0;
}

.lucky-card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 4px 24px rgba(24, 26, 32, 0.06);
}

.phone-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}

.phone-input {
  flex: 1;
  height: 56px;
  padding: 0 20px;
  font-family: 'Anuphan', sans-serif;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--ink);
  background: var(--surface-strong);
  border: 2px solid var(--hairline);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.2s;
}

.phone-input:focus {
  border-color: var(--primary);
  background: var(--canvas);
}

.phone-input::placeholder {
  letter-spacing: 2px;
  color: var(--muted);
  font-size: 16px;
}

.predict-btn {
  height: 56px;
  padding: 0 28px;
  background: var(--primary);
  color: var(--ink);
  font-family: 'Anuphan', sans-serif;
  font-size: 15px;
  font-weight: 700;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, transform 0.15s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.predict-btn:hover {
  background: var(--primary-active);
  transform: translateY(-1px);
}

/* ผลลัพธ์คู่เลข */
#result-area {
  display: none;
  margin-top: 32px;
}

#result-area.show {
  display: block;
  animation: fadeInUp 0.4s ease;
}

.pairs-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

/* chip แต่ละคู่เลข */
.pair-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--surface-soft);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 14px 16px;
  min-width: 90px;
  flex: 1;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
  animation: chipReveal 0.4s ease both;
}

.pair-chip:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(24,26,32,0.08);
}

.pair-chip .pair-num {
  font-family: 'Anuphan', sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
}

.pair-chip .pair-meaning {
  font-family: 'IBM Plex Sans Thai', sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: var(--body);
  line-height: 1.4;
}

.pair-chip .pair-level {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* ระดับ ดี / ปานกลาง / ระวัง */
.pair-chip.level-good {
  border-color: #0ecb81;
  background: #f0fdf8;
}

.pair-chip.level-good .pair-num { color: #087a4d; }
.pair-chip.level-good .pair-level {
  background: #0ecb81;
  color: #fff;
}

.pair-chip.level-mid {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.pair-chip.level-mid .pair-num { color: #7a5c00; }
.pair-chip.level-mid .pair-level {
  background: var(--primary);
  color: var(--ink);
}

.pair-chip.level-warn {
  border-color: #f87171;
  background: #fef2f2;
}

.pair-chip.level-warn .pair-num { color: #b91c1c; }
.pair-chip.level-warn .pair-level {
  background: #f87171;
  color: #fff;
}

/* กล่องรวมพลังเลข */
.power-box {
  background: var(--ink);
  border-radius: 14px;
  padding: 24px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.power-number {
  font-family: 'Anuphan', sans-serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  min-width: 64px;
  text-align: center;
}

.power-meaning {
  font-family: 'IBM Plex Sans Thai', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255,255,255,0.85);
}

.power-label {
  font-family: 'Anuphan', sans-serif;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  margin-bottom: 6px;
}

/* ข้อความเตือน */
.error-msg {
  color: #b91c1c;
  font-size: 14px;
  margin-top: 8px;
  display: none;
}

.error-msg.show { display: block; }

/* ============================
   Package / ราคา
   ============================ */
.pricing-section {
  background: var(--surface-soft);
  padding: 80px 0;
}

.pricing-card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 32px 28px;
  flex: 1;
  min-width: 240px;
  transition: transform 0.25s, box-shadow 0.25s;
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(24,26,32,0.10);
}

.pricing-card.featured {
  border: 2px solid var(--primary);
}

.featured-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--ink);
  font-family: 'Anuphan', sans-serif;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 9999px;
  white-space: nowrap;
}

.price-tag {
  font-family: 'Anuphan', sans-serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
}

.price-unit {
  font-size: 15px;
  font-weight: 400;
  color: var(--muted);
  margin-left: 4px;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
}

.check-item i {
  color: var(--success);
  margin-top: 2px;
  flex-shrink: 0;
}

/* ============================
   Steps
   ============================ */
.steps-section {
  background: var(--canvas);
  padding: 80px 0;
}

.step-card {
  background: var(--surface-soft);
  border-radius: 14px;
  padding: 28px 24px;
  flex: 1;
  min-width: 200px;
  transition: background 0.25s;
}

.step-card:hover {
  background: var(--primary-soft);
}

.step-num {
  font-family: 'Anuphan', sans-serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 12px;
}

/* ============================
   Reviews
   ============================ */
.reviews-section {
  background: var(--surface-soft);
  padding: 80px 0;
}

.review-card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 28px;
  flex: 1;
  min-width: 260px;
  transition: box-shadow 0.25s, transform 0.25s;
}

.review-card:hover {
  box-shadow: 0 12px 28px rgba(24,26,32,0.08);
  transform: translateY(-2px);
}

.review-stars {
  color: var(--primary);
  font-size: 14px;
  letter-spacing: 2px;
}

.reviewer-avatar {
  width: 44px;
  height: 44px;
  border-radius: 9999px;
  background: var(--primary);
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Anuphan', sans-serif;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}

/* ============================
   FAQ
   ============================ */
.faq-section {
  background: var(--canvas);
  padding: 80px 0;
}

.faq-row {
  border-bottom: 1px solid var(--hairline);
  padding: 0;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  font-family: 'Anuphan', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  text-align: left;
  transition: color 0.2s;
}

.faq-question:hover { color: var(--primary-active); }

.faq-icon {
  color: var(--primary);
  font-size: 18px;
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq-row.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-answer-inner {
  padding-bottom: 20px;
  font-size: 15px;
  color: var(--body);
  line-height: 1.7;
}

.faq-row.open .faq-answer {
  max-height: 400px;
}

/* ============================
   CTA Band
   ============================ */
.cta-band {
  background: var(--primary);
  border-radius: 20px;
  padding: 48px;
  margin: 80px 0;
}

/* ============================
   Footer
   ============================ */
.site-footer {
  background: var(--surface-dark);
  padding: 64px 0 40px;
  color: rgba(255,255,255,0.75);
}

.footer-logo {
  font-family: 'Anuphan', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}

.footer-logo .dot {
  color: var(--primary);
}

.footer-link {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
  display: block;
  margin-bottom: 8px;
}

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

.footer-heading {
  font-family: 'Anuphan', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

/* ============================
   Section eyebrow pill
   ============================ */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Anuphan', sans-serif;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--ink);
  background: var(--primary-soft);
  border: 1px solid var(--primary);
  padding: 4px 12px;
  border-radius: 9999px;
}

.section-title {
  font-family: 'Anuphan', sans-serif;
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.2;
  margin-top: 12px;
  margin-bottom: 8px;
}

.section-desc {
  font-size: 16px;
  color: var(--muted);
  max-width: 560px;
}

/* ============================
   Animations
   ============================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes chipReveal {
  from {
    opacity: 0;
    transform: scale(0.85) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* scroll reveal class */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger delays */
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }
.reveal-d4 { transition-delay: 0.4s; }

/* ============================
   Divider accent
   ============================ */
.yellow-line {
  display: block;
  width: 48px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
  margin-top: 12px;
}

/* ============================
   Responsive ปรับเพิ่มเติม
   ============================ */
@media (max-width: 768px) {
  .hero-section {
    padding: 56px 0;
  }

  .hero-section::before,
  .hero-section::after {
    display: none;
  }

  .lucky-card {
    padding: 24px 16px;
  }

  .phone-input-wrapper {
    flex-direction: column;
  }

  .phone-input,
  .predict-btn {
    width: 100%;
  }

  .cta-band {
    padding: 32px 20px;
    border-radius: 14px;
    margin: 40px 0;
  }

  .power-box {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .power-number {
    font-size: 40px;
  }
}

@media (max-width: 480px) {
  .pair-chip {
    min-width: 76px;
    padding: 10px 10px;
  }

  .pair-chip .pair-num {
    font-size: 20px;
  }
}