@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@500;600;700;800&family=Prompt:wght@500;600;700;800&display=swap');

:root {
  --primary: #16b0ef;
  --secondary: #473e97;
  --secondary-deep: #35256f;
  --text: #202125;
  --muted: #6d7892;
  --white: #ffffff;
  --surface: #fbfbff;
  --line: rgba(71, 62, 151, 0.12);
  --shadow: 0 26px 70px rgba(25, 16, 63, 0.28);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Montserrat", "Prompt", "Segoe UI", sans-serif;
  color: var(--text);
  background: #ffffff;
}
:lang(th) body,
body:lang(th) {
  font-family: "Prompt", "Montserrat", "Segoe UI", sans-serif;
}

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

.shell {
  width: min(calc(100% - 32px), 1120px);
  margin: 0 auto;
  padding: 30px 0 44px;
}

.brand-lockup {
  display: grid;
  justify-items: center;
  gap: 10px;
  margin-bottom: 28px;
}

.brand-lockup img {
  width: min(320px, 62vw);
  filter: none;
}

.brand-lockup span {
  color: var(--secondary);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.card {
  background: var(--surface);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.thankyou-card {
  max-width: 760px;
  margin: 0 auto;
  padding: 44px 40px 34px;
  text-align: center;
  border: 1px solid rgba(71, 62, 151, 0.14);
  border-top: 4px solid var(--primary);
  background: var(--surface);
  box-shadow:
    0 32px 70px rgba(33, 43, 75, 0.12),
    0 8px 18px rgba(71, 62, 151, 0.08);
}

.eyebrow {
  color: rgba(71, 62, 151, 0.76);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1 {
  margin: 16px auto 0;
  max-width: 12ch;
  font-size: clamp(2.2rem, 4.3vw, 3.9rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  color: var(--secondary);
  font-weight: 700;
  white-space: normal;
  text-wrap: balance;
}

.divider {
  width: 74px;
  height: 3px;
  margin: 28px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.hero-copy {
  margin: 24px auto 0;
  max-width: 28ch;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.8;
}

.note {
  margin-top: 24px;
  padding: 15px 18px;
  border-radius: 14px;
  background: #f3f6ff;
  border: 1px solid rgba(71, 62, 151, 0.08);
  color: var(--muted);
  line-height: 1.7;
}

.action-block {
  margin-top: 28px;
}

.action-copy {
  margin: 0 auto;
  max-width: 33ch;
  color: var(--muted);
  line-height: 1.85;
}

.cta-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.line-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 224px;
  min-height: 56px;
  padding: 14px 24px;
  width: 100%;
  border: 0;
  border-radius: 8px;
  background: #06c755;
  color: #ffffff;
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow: 0 14px 28px rgba(6, 199, 85, 0.22);
}

.wa-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 56px;
  width: 100%;
  padding: 14px 24px;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--secondary-deep), var(--secondary));
  color: #ffffff;
  font: inherit;
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow: 0 18px 30px rgba(71, 62, 151, 0.22);
  cursor: pointer;
}

.button-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border-radius: 10px;
  background: #ffffff;
}

.button-icon svg {
  width: 26px;
  height: 26px;
}

.line-icon {
  color: #06c755;
}

.wa-icon {
  color: #25d366;
}

.mini-section {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(71, 62, 151, 0.08);
}

.mini-section h2 {
  margin: 0;
  color: var(--secondary);
  font-size: 1.34rem;
  letter-spacing: -0.03em;
}

.summary-inline > p,
.whatsapp-section > p {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.7;
}

ul {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

li {
  padding: 12px 14px;
  border-radius: 12px;
  background: #f7f8fe;
  border: 1px solid rgba(71, 62, 151, 0.08);
  color: var(--muted);
  line-height: 1.6;
}

li::first-line {
  color: var(--secondary);
  font-weight: 800;
}

.whatsapp-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  text-align: left;
}

.wa-card {
  padding: 16px;
  border-radius: 14px;
  border: 1px solid rgba(71, 62, 151, 0.08);
  background: #ffffff;
}

.wa-card h3 {
  margin: 0 0 14px;
  text-align: center;
  color: var(--secondary);
  font-size: 1.05rem;
}

.wa-link {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 62px;
  padding: 12px 14px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--secondary-deep), var(--secondary));
}

.wa-copy {
  display: flex;
  align-items: center;
}

.wa-copy strong {
  color: #18ebff;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

.wa-modal[hidden] {
  display: none;
}

.wa-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
}

.wa-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 17, 47, 0.58);
  backdrop-filter: blur(4px);
}

.wa-modal-dialog {
  position: relative;
  width: min(calc(100% - 24px), 980px);
  max-height: calc(100vh - 48px);
  margin: 24px auto;
  overflow: auto;
  padding: 28px;
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 28px 70px rgba(18, 14, 44, 0.34);
}

.wa-modal-head {
  text-align: center;
}

.wa-modal-head h2 {
  margin: 14px 0 0;
  color: var(--secondary);
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.wa-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--secondary);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

.wa-modal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 900px) {
  .wa-modal-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(calc(100% - 20px), 1120px);
    padding-top: 22px;
  }

  .thankyou-card {
    padding: 30px 20px 24px;
    border-radius: 22px;
  }

  .brand-lockup {
    margin-bottom: 20px;
  }

  h1 {
    font-size: clamp(2rem, 10vw, 3rem);
    white-space: normal;
  }

  .cta-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .line-button,
  .wa-trigger {
    min-width: 0;
    min-height: 52px;
    padding: 10px 12px;
    gap: 8px;
    font-size: 0.82rem;
    letter-spacing: 0.01em;
  }

  .button-icon {
    width: 38px;
    height: 38px;
    border-radius: 8px;
  }

  .button-icon svg {
    width: 20px;
    height: 20px;
  }

  .wa-modal-dialog {
    width: min(calc(100% - 16px), 980px);
    margin: 8px auto;
    max-height: calc(100vh - 16px);
    padding: 22px 16px 16px;
    border-radius: 18px;
  }

  .wa-modal-head h2 {
    font-size: 1.6rem;
  }

  .wa-modal-grid {
    grid-template-columns: 1fr;
  }
}