:root {
  --white: #fff;
  --ink: #063b2c;
  --body: #263a31;
  --muted: #5b6f66;
  --green: #219653;
  --fresh: #5ec747;
  --lime: #b9eb3f;
  --mint: #e9fff4;
  --mint-line: #c7f2d8;
  --yellow: #ffd600;
  --line: rgba(6, 59, 44, .16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--body);
  font-family: "Noto Sans TC", system-ui, sans-serif;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.75;
}

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

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

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

h1,
h2,
h3,
.brand strong,
.eyebrow,
.button,
.program-index,
.status,
.journey-line strong,
.journey-line span,
.reading-note {
  font-family: "Nunito", "Noto Sans TC", system-ui, sans-serif;
}

h1 {
  max-width: 900px;
  margin-bottom: 22px;
  color: var(--ink);
  font-size: clamp(62px, 10vw, 132px);
  font-weight: 900;
  line-height: .84;
}

h2 {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: 52px;
  font-weight: 900;
  line-height: 1.1;
}

h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 30px;
  font-weight: 900;
  line-height: 1.18;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(20px, 5vw, 76px);
  border-bottom: 2px solid var(--mint-line);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  outline: 3px solid rgba(255, 214, 0, .2);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.1;
}

.brand small {
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.2;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-nav a {
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

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

.site-nav .nav-cta {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  margin-inline: auto;
  border-radius: 999px;
  background: var(--ink);
}

main {
  overflow: hidden;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 900;
}

.button.primary {
  background: var(--ink);
  color: #fff;
}

.button.secondary {
  border: 2px solid var(--fresh);
  background: #fff;
  color: var(--ink);
}

.reading-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, .46fr);
  gap: clamp(34px, 6vw, 88px);
  align-items: center;
  min-height: calc(100svh - 78px);
  padding: clamp(82px, 10vw, 138px) clamp(20px, 5vw, 76px) clamp(76px, 9vw, 120px);
  background:
    linear-gradient(180deg, #fff 0%, #fff 74%, var(--mint) 100%);
}

.reading-hero::before {
  content: "";
  position: absolute;
  right: clamp(20px, 5vw, 76px);
  bottom: 54px;
  left: clamp(20px, 5vw, 76px);
  height: 2px;
  background: var(--mint-line);
}

.reading-hero::after {
  content: "";
  position: absolute;
  left: clamp(20px, 5vw, 76px);
  bottom: 54px;
  width: 220px;
  height: 6px;
  border-radius: 999px;
  background: var(--lime);
}

.hero-copy,
.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-copy .eyebrow,
.section-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.hero-copy .eyebrow::after,
.section-head .eyebrow::after {
  content: "";
  width: 46px;
  height: 4px;
  border-radius: 999px;
  background: var(--lime);
}

.hero-lead {
  max-width: 650px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 19px;
  font-weight: 700;
}

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

.hero-visual {
  justify-self: end;
  width: min(36vw, 430px);
  aspect-ratio: 1 / 1;
  border: 10px solid #fff;
  border-radius: 50%;
  outline: 3px solid var(--lime);
  background: #fff;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.07) brightness(1.04);
}

.reading-note {
  position: absolute;
  right: -18px;
  bottom: 28px;
  z-index: 2;
  min-width: 238px;
  padding: 18px 20px;
  border: 2px solid var(--fresh);
  border-radius: 18px;
  background: #fff;
}

.reading-note span {
  display: block;
  margin-bottom: 5px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.reading-note strong {
  display: block;
  color: var(--ink);
  font-size: 28px;
  font-weight: 900;
  line-height: 1;
}

.section {
  position: relative;
  padding: clamp(76px, 9vw, 124px) clamp(20px, 5vw, 76px);
  background: #fff;
}

.section::before {
  content: "";
  position: absolute;
  top: 0;
  right: clamp(20px, 5vw, 76px);
  left: clamp(20px, 5vw, 76px);
  height: 1px;
  background: var(--mint-line);
}

.section-head {
  max-width: 860px;
  margin-bottom: 40px;
}

.section-head.wide {
  max-width: 1000px;
}

.section-head p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 5vw, 76px);
  max-width: 1120px;
}

.intro-grid p {
  margin: 0;
  padding-left: 24px;
  border-left: 4px solid var(--lime);
  color: var(--muted);
  font-size: 18px;
}

.why {
  background:
    linear-gradient(180deg, #fff 0%, var(--mint) 52%, #fff 100%);
}

.reason-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  max-width: 1180px;
}