:root {
  --color-chalk: #f7f5f1;
  --color-ivory: #f3efe6;
  --color-sand: #d4c4a8;
  --color-teal: #5e9e8f;
  --color-teal-deep: #4a8578;
  --color-navy: #1b2a4a;
  --color-navy-soft: #2a3d66;
  --color-coral: #e07a5f;
  --color-text: #1b2a4a;
  --color-muted: #5a6478;
  --color-white: #ffffff;
  --font-serif: "Cormorant Garamond", "Noto Serif TC", Georgia, serif;
  --font-sans: "Source Sans 3", "Noto Sans TC", "Helvetica Neue", sans-serif;
  --radius: 12px;
  --radius-pill: 999px;
  --shadow-bloom: 0 10px 28px rgba(27, 42, 74, 0.14);
  --header-h: 4.25rem;
  --max: 72rem;
  --space: clamp(1.25rem, 3vw, 2.5rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text);
  background:
    radial-gradient(ellipse at 12% 0%, rgba(94, 158, 143, 0.12), transparent 45%),
    radial-gradient(ellipse at 88% 8%, rgba(224, 122, 95, 0.08), transparent 40%),
    linear-gradient(180deg, var(--color-chalk) 0%, #efeae0 48%, var(--color-chalk) 100%);
  min-height: 100vh;
}

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

a {
  color: var(--color-teal-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--color-coral);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin: 0 0 0.6em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.55rem);
}

p {
  margin: 0 0 1rem;
}

.u-container {
  width: min(100% - 2 * var(--space), var(--max));
  margin-inline: auto;
}

.u-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-teal-deep);
  margin-bottom: 0.75rem;
}

.u-lede {
  font-size: 1.15rem;
  color: var(--color-muted);
  max-width: 38rem;
}

.u-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(247, 245, 241, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(27, 42, 74, 0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100% - 2 * var(--space), var(--max));
  margin-inline: auto;
}

.site-header__brand {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-navy);
  text-decoration: none;
  white-space: nowrap;
}

.site-header__brand span {
  color: var(--color-teal-deep);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.site-nav a {
  font-size: 0.92rem;
  color: var(--color-navy);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-coral);
}

.site-nav__toggle {
  display: none;
  border: 1px solid var(--color-navy);
  background: transparent;
  color: var(--color-navy);
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.9rem;
  font-family: inherit;
  cursor: pointer;
}

@media (max-width: 920px) {
  .site-nav__toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem var(--space) 1.25rem;
    background: rgba(247, 245, 241, 0.96);
    border-bottom: 1px solid rgba(27, 42, 74, 0.1);
    display: none;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 0.65rem 0;
    border-bottom: 1px solid rgba(27, 42, 74, 0.06);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.45rem;
  border-radius: var(--radius-pill);
  border: none;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.35s ease, box-shadow 0.35s ease, background 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-bloom);
  text-decoration: none;
}

.btn--navy {
  background: var(--color-navy);
  color: var(--color-white);
}

.btn--navy:hover {
  color: var(--color-white);
  background: var(--color-navy-soft);
}

.btn--teal {
  background: var(--color-teal);
  color: var(--color-white);
}

.btn--teal:hover {
  color: var(--color-white);
  background: var(--color-teal-deep);
}

.btn--ghost {
  background: transparent;
  color: var(--color-navy);
  border: 1px solid var(--color-navy);
}

.btn--ghost:hover {
  color: var(--color-navy);
}

/* Cards */
.card {
  background:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E"),
    var(--color-ivory);
  border: 1px solid rgba(27, 42, 74, 0.22);
  border-radius: var(--radius);
  padding: 1.35rem;
  overflow: hidden;
}

.card__image {
  margin: -1.35rem -1.35rem 1rem;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  width: calc(100% + 2.7rem);
}

.card__title {
  margin-bottom: 0.4rem;
}

.card__meta {
  font-size: 0.88rem;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
}

/* Sections */
.section {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.section--tight {
  padding: clamp(2rem, 4vw, 3rem) 0;
}

.section__head {
  display: grid;
  gap: 0.75rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
  max-width: 40rem;
}

.grid-2 {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
}

.grid-3 {
  display: grid;
  gap: 1.35rem;
  grid-template-columns: repeat(3, 1fr);
}

.grid-services {
  display: grid;
  gap: 1.35rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

@media (max-width: 860px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Hero variants */
.hero {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3rem, 7vw, 5rem);
}

.hero--split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: end;
}

.hero--split .hero__visual {
  position: relative;
  min-height: 22rem;
}

.hero--split .hero__visual img {
  width: 100%;
  height: 100%;
  min-height: 22rem;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid rgba(27, 42, 74, 0.18);
}

.hero__layer {
  position: absolute;
  width: 58%;
  bottom: -1.25rem;
  left: -1rem;
  border-radius: var(--radius);
  border: 1px solid rgba(27, 42, 74, 0.2);
  box-shadow: var(--shadow-bloom);
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.hero__brand {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.05;
  margin-bottom: 0.85rem;
  color: var(--color-navy);
}

.hero__brand em {
  font-style: italic;
  color: var(--color-teal-deep);
}

.hero__text {
  max-width: 32rem;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

@media (max-width: 860px) {
  .hero--split {
    grid-template-columns: 1fr;
  }

  .hero__layer {
    display: none;
  }
}

/* Page hero simpler */
.page-hero {
  padding: clamp(2.25rem, 5vw, 3.5rem) 0 1.5rem;
}

.page-hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.page-hero__image {
  border-radius: var(--radius);
  border: 1px solid rgba(27, 42, 74, 0.18);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

@media (max-width: 860px) {
  .page-hero__grid {
    grid-template-columns: 1fr;
  }
}

/* Offer strip */
.offer-spotlight {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: stretch;
  background: var(--color-ivory);
  border: 1px solid rgba(27, 42, 74, 0.2);
  border-radius: var(--radius);
  overflow: hidden;
}

.offer-spotlight__media img {
  width: 100%;
  height: 100%;
  min-height: 18rem;
  object-fit: cover;
}

.offer-spotlight__body {
  padding: clamp(1.5rem, 3vw, 2.25rem);
}

@media (max-width: 860px) {
  .offer-spotlight {
    grid-template-columns: 1fr;
  }
}

/* Quote / reviews */
.quote {
  border-left: 3px solid var(--color-coral);
  padding-left: 1.15rem;
  margin: 0 0 1.5rem;
}

.quote p {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.45;
}

.quote cite {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.story-block {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid rgba(27, 42, 74, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.45);
}

/* Pricing */
.rate-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(27, 42, 74, 0.12);
}

.rate-row:last-child {
  border-bottom: none;
}

@media (max-width: 700px) {
  .rate-row {
    grid-template-columns: 1fr;
  }
}

/* Forms */
.form {
  display: grid;
  gap: 1rem;
  max-width: 36rem;
}

.form__field {
  display: grid;
  gap: 0.35rem;
}

.form__field label {
  font-weight: 600;
  font-size: 0.92rem;
}

.form__field input,
.form__field select,
.form__field textarea {
  font: inherit;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(27, 42, 74, 0.28);
  border-radius: 10px;
  background: var(--color-white);
  color: var(--color-navy);
}

.form__field textarea {
  min-height: 8rem;
  resize: vertical;
}

.form__error {
  color: #a33b2b;
  font-size: 0.85rem;
  display: none;
}

.form__field.is-invalid .form__error {
  display: block;
}

.form__field.is-invalid input,
.form__field.is-invalid select,
.form__field.is-invalid textarea {
  border-color: #a33b2b;
}

.form__status {
  padding: 0.85rem 1rem;
  border-radius: 10px;
  display: none;
}

.form__status.is-success {
  display: block;
  background: rgba(94, 158, 143, 0.18);
  border: 1px solid var(--color-teal);
}

.form__status.is-error {
  display: block;
  background: rgba(224, 122, 95, 0.15);
  border: 1px solid var(--color-coral);
}

.contact-aside {
  background: var(--color-navy);
  color: var(--color-chalk);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.contact-aside a {
  color: var(--color-sand);
}

.contact-aside h2 {
  color: var(--color-white);
}

/* Footer */
.site-footer {
  margin-top: clamp(3rem, 8vw, 5rem);
  background: var(--color-navy);
  color: rgba(247, 245, 241, 0.88);
  position: relative;
}

.site-footer::before {
  content: "";
  display: block;
  height: 3px;
  background: var(--color-coral);
}

.site-footer__inner {
  width: min(100% - 2 * var(--space), var(--max));
  margin-inline: auto;
  padding: clamp(2.5rem, 5vw, 4rem) 0 2rem;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 2rem;
}

.site-footer h3 {
  font-family: var(--font-serif);
  color: var(--color-white);
  font-size: 1.15rem;
  margin-bottom: 0.85rem;
}

.site-footer a {
  color: rgba(247, 245, 241, 0.78);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 0.45rem;
}

.site-footer a:hover {
  color: var(--color-coral);
}

.site-footer__cta {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--color-white);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.site-footer__social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.site-footer__social a {
  opacity: 0.65;
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(247, 245, 241, 0.35);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.site-footer__bottom {
  width: min(100% - 2 * var(--space), var(--max));
  margin-inline: auto;
  padding: 1rem 0 1.75rem;
  border-top: 1px solid rgba(247, 245, 241, 0.12);
  font-size: 0.85rem;
  color: rgba(247, 245, 241, 0.55);
}

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

@media (max-width: 560px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
  }
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  z-index: 200;
  max-width: 36rem;
  margin-inline: auto;
  background: var(--color-ivory);
  border: 1px solid rgba(27, 42, 74, 0.25);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow-bloom);
  display: none;
}

.cookie-banner.is-visible {
  display: block;
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.85rem;
}

.cookie-banner__error {
  color: #a33b2b;
  font-size: 0.85rem;
  margin-top: 0.5rem;
  display: none;
}

.cookie-banner__error.is-visible {
  display: block;
}

/* Legal prose */
.prose {
  max-width: 42rem;
}

.prose h2 {
  margin-top: 2rem;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1rem 0 1.5rem;
}

.prose th,
.prose td {
  border: 1px solid rgba(27, 42, 74, 0.18);
  padding: 0.55rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: var(--color-ivory);
}

/* Detail lists */
.detail-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
}

.detail-list li {
  position: relative;
  padding-left: 1.15rem;
  margin-bottom: 0.45rem;
}

.detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--color-coral);
}

.process-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
}

.process-steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 1.25rem 2.5rem;
  border-left: 1px solid rgba(27, 42, 74, 0.18);
  margin-left: 0.6rem;
}

.process-steps li::before {
  content: counter(step);
  position: absolute;
  left: -0.75rem;
  top: 0;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--color-navy);
  color: white;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Cohort calendar custom page */
.cohort-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-ivory);
  border: 1px solid rgba(27, 42, 74, 0.2);
  border-radius: var(--radius);
  overflow: hidden;
}

.cohort-table th,
.cohort-table td {
  padding: 0.9rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(27, 42, 74, 0.12);
}

.cohort-table th {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  background: rgba(27, 42, 74, 0.04);
}

/* Motion */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-stagger.is-visible > *:nth-child(1) {
  transition-delay: 0.05s;
}
.reveal-stagger.is-visible > *:nth-child(2) {
  transition-delay: 0.15s;
}
.reveal-stagger.is-visible > *:nth-child(3) {
  transition-delay: 0.25s;
}
.reveal-stagger.is-visible > *:nth-child(4) {
  transition-delay: 0.35s;
}
.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: none;
}

.parallax-img {
  will-change: transform;
  transition: transform 0.2s linear;
}

/* 404 */
.page-404 {
  text-align: center;
  padding: 5rem 0 6rem;
}

.page-404 h1 {
  font-size: clamp(3rem, 8vw, 5rem);
}