:root {
  --green: #0a8f24;
  --green-2: #19bf3e;
  --ink: #10231b;
  --muted: #5d6b65;
  --line: #dce8e1;
  --surface: #ffffff;
  --soft: #f3fbf5;
  --accent: #e60012;
  --shadow: 0 18px 55px rgba(4, 68, 26, .14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans Thai", system-ui, sans-serif;
  color: var(--ink);
  background: #f8fbf9;
  line-height: 1.65;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, .92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  letter-spacing: 0;
  color: var(--green);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: #fff;
  background: var(--green);
}

.nav {
  display: flex;
  gap: 18px;
  font-size: 15px;
  color: var(--muted);
}

.nav a:hover {
  color: var(--green);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 520px);
  align-items: center;
  gap: clamp(28px, 5vw, 70px);
  padding: clamp(42px, 7vw, 92px) clamp(18px, 5vw, 70px) 36px;
  background:
    radial-gradient(circle at 80% 20%, rgba(25, 191, 62, .18), transparent 34%),
    linear-gradient(135deg, #ffffff 0%, #f4fff6 58%, #e8fbef 100%);
}

.hero-copy {
  max-width: 790px;
}

.eyebrow {
  margin: 0 0 10px;
  font-weight: 800;
  color: var(--green);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 16px;
  font-size: clamp(42px, 7vw, 84px);
  line-height: 1.02;
  font-weight: 900;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.18;
  font-weight: 900;
}

h3 {
  font-size: 22px;
  line-height: 1.25;
}

.lead {
  max-width: 720px;
  font-size: clamp(18px, 2vw, 22px);
  color: var(--muted);
}

.offer-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 26px 0 16px;
}

.offer-strip > div,
.countdown > div,
.insight-grid article,
.result-panel,
.signup-form,
.price-box {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .86);
  box-shadow: var(--shadow);
}

.offer-strip > div {
  min-height: 96px;
  padding: 16px;
  border-radius: 8px;
}

.label {
  display: block;
  color: var(--muted);
  font-size: 14px;
}

.offer-strip strong {
  display: block;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1;
  color: var(--accent);
}

.offer-strip s {
  display: block;
  margin-top: 6px;
  font-size: 28px;
  color: var(--muted);
}

.countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(72px, 1fr));
  gap: 10px;
  max-width: 560px;
}

.countdown > div {
  min-height: 92px;
  display: grid;
  place-items: center;
  padding: 12px;
  border-radius: 8px;
}

.countdown strong {
  display: block;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1;
}

.countdown span {
  color: var(--muted);
  font-size: 14px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 22px;
  border: 0;
  border-radius: 8px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.btn.primary {
  color: #fff;
  background: var(--green);
}

.btn.primary:hover {
  background: #08791f;
}

.btn.secondary {
  color: var(--green);
  background: #fff;
  border: 1px solid var(--line);
}

.btn.full {
  width: 100%;
}

.hero-media {
  margin: 0;
}

.hero-media img {
  display: block;
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(12, 88, 35, .22);
}

section {
  padding: clamp(54px, 8vw, 94px) clamp(18px, 5vw, 70px);
}

.section-head {
  max-width: 900px;
  margin-bottom: 28px;
}

.insight-grid,
.fit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.insight-grid article {
  min-height: 250px;
  padding: 24px;
  border-radius: 8px;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 24px;
  border-radius: 50%;
  color: #fff;
  background: var(--green);
  font-weight: 900;
}

.review {
  background: #fff;
}

.review-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
  gap: 18px;
  align-items: stretch;
}

.video-feature {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: var(--ink);
}

.video-feature video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #000;
}

.video-caption {
  padding: 18px 22px 22px;
  color: #fff;
  background: linear-gradient(135deg, #10231b, #0a8f24);
}

.video-caption strong,
.video-caption span {
  display: block;
}

.video-caption strong {
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.15;
}

.video-caption span {
  color: rgba(255, 255, 255, .86);
}

.review-points {
  display: grid;
  gap: 12px;
}

.review-points div,
.ads-grid article,
.budget-note {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.review-points div {
  display: grid;
  align-content: center;
  gap: 8px;
  min-height: 112px;
  padding: 22px;
}

.review-points strong {
  color: var(--green);
  font-size: 20px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.video-grid article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.video-grid video {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  max-height: 430px;
  object-fit: cover;
  background: #000;
}

.video-grid strong {
  display: block;
  padding: 12px 14px 14px;
  color: var(--green);
}

.learn {
  background: var(--soft);
}

.learn-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
  gap: 18px;
}

.module-list {
  display: grid;
  gap: 12px;
}

.module {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 18px;
  align-items: start;
  padding: 22px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.module:first-child {
  border-radius: 8px 8px 0 0;
}

.module:last-child {
  border-bottom: 0;
  border-radius: 0 0 8px 8px;
}

.module strong {
  color: var(--green);
  font-size: 20px;
}

.result-panel {
  padding: 26px;
  border-radius: 8px;
}

.result-panel ul {
  margin: 18px 0 0;
  padding-left: 22px;
}

.result-panel li + li {
  margin-top: 10px;
}

.fit-grid div {
  min-height: 108px;
  display: flex;
  align-items: center;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-weight: 700;
}

.africa-ads {
  background:
    radial-gradient(circle at 88% 18%, rgba(230, 0, 18, .08), transparent 25%),
    linear-gradient(135deg, #f8fff9 0%, #ffffff 54%, #eef8f1 100%);
}

.ads-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.ads-grid article {
  min-height: 250px;
  padding: 24px;
}

.country-tag {
  display: inline-flex;
  margin-bottom: 24px;
  padding: 7px 12px;
  border-radius: 999px;
  color: #fff;
  background: var(--green);
  font-weight: 900;
}

.budget-note {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 18px;
  align-items: center;
  margin-top: 16px;
  padding: 22px;
}

.budget-note strong {
  color: var(--accent);
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.05;
}

.budget-note span {
  color: var(--muted);
}

.register {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(320px, 540px);
  gap: clamp(24px, 5vw, 64px);
  align-items: start;
  background:
    linear-gradient(135deg, rgba(10, 143, 36, .08), rgba(255, 255, 255, 1)),
    #fff;
}

.register-copy {
  position: sticky;
  top: 98px;
}

.price-box {
  max-width: 380px;
  margin-top: 26px;
  padding: 24px;
  border-radius: 8px;
}

.price-box span,
.price-box small {
  display: block;
  color: var(--muted);
}

.price-box strong {
  display: block;
  font-size: 52px;
  line-height: 1;
  color: var(--accent);
}

.signup-form {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 4vw, 30px);
  border-radius: 8px;
}

label {
  display: grid;
  gap: 8px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  background: #fff;
  color: var(--ink);
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(25, 191, 62, .18);
  border-color: var(--green);
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.form-note.success {
  color: var(--green);
  font-weight: 800;
}

.hidden {
  display: none !important;
}

.admin-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 80% 15%, rgba(25, 191, 62, .18), transparent 30%),
    linear-gradient(135deg, #f8fff9, #ffffff);
}

.admin-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(24px, 5vw, 70px);
}

.admin-panel {
  width: min(100%, 760px);
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .94);
  box-shadow: var(--shadow);
}

.admin-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.admin-head h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
}

.admin-form {
  display: grid;
  gap: 16px;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tracking-status {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.tracking-status h2 {
  font-size: 24px;
}

.tracking-status dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.tracking-status dl div {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--soft);
}

.tracking-status dt {
  color: var(--muted);
  font-weight: 700;
}

.tracking-status dd {
  margin: 0;
  font-weight: 800;
  color: var(--green);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(18px, 5vw, 70px);
  color: #fff;
  background: var(--ink);
}

.footer span {
  font-weight: 900;
}

@media (max-width: 980px) {
  .hero,
  .learn-layout,
  .review-layout,
  .register {
    grid-template-columns: 1fr;
  }

  .hero-media {
    max-width: 620px;
  }

  .register-copy {
    position: static;
  }
}

@media (max-width: 760px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .offer-strip,
  .insight-grid,
  .ads-grid,
  .fit-grid {
    grid-template-columns: 1fr;
  }

  .budget-note {
    grid-template-columns: 1fr;
  }

  .video-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .countdown {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .module {
    grid-template-columns: 1fr;
    gap: 6px;
  }

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

  .footer {
    flex-direction: column;
  }

  .tracking-status dl div {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}