:root {
  --bg: #fffdf6;
  --surface: #ffffff;
  --text: #1d2433;
  --muted: #5e677a;
  --line: #dce2ef;
  --brand: #0ea5a2;
  --brand-dark: #0a7c7a;
  --accent: #ffb703;
  --peach: #ffe5cc;
  --radius: 22px;
  --shadow: 0 14px 45px rgba(21, 33, 58, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Gowun Dodum", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  overflow-x: hidden;
}

h1,
h2,
h3,
.brand strong,
.btn {
  font-family: "Montserrat", sans-serif;
}

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

.container {
  width: min(1120px, calc(100% - 2.4rem));
  margin-inline: auto;
}

.bg-decor {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.blob {
  position: absolute;
  filter: blur(2px);
  opacity: 0.85;
}

.blob-1 {
  width: 460px;
  height: 460px;
  background: radial-gradient(circle at 30% 30%, #ffd27f, #ffad66 65%, transparent 75%);
  top: -120px;
  right: -100px;
}

.blob-2 {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle at 40% 35%, #92f2e0, #6ddbd0 62%, transparent 74%);
  left: -180px;
  bottom: -220px;
}

.grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(255, 253, 246, 0.8);
  border-bottom: 1px solid rgba(220, 226, 239, 0.8);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1.03rem;
}

.brand-mark {
  width: 34px;
  aspect-ratio: 1;
  border-radius: 12px;
  display: inline-grid;
  place-items: center;
  font-family: "Montserrat", sans-serif;
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand), #4bc6cb);
  color: white;
}

.nav-links {
  display: inline-flex;
  gap: 1.3rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.btn {
  border: 0;
  border-radius: 999px;
  background: var(--brand);
  color: white;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0.9rem 1.3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(11, 137, 137, 0.22);
  background: var(--brand-dark);
}

.btn-sm {
  padding: 0.68rem 1.1rem;
}

.btn-ghost {
  background: white;
  color: var(--text);
  border: 1px solid var(--line);
}

.btn-wide {
  width: 100%;
}

.hero {
  padding: 4.6rem 0 2.2rem;
  display: grid;
  gap: 1.4rem;
  grid-template-columns: 1.25fr 0.85fr;
  align-items: center;
}

.eyebrow {
  margin: 0;
  color: var(--brand-dark);
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
}

.hero h1 {
  margin: 0.8rem 0 0;
  font-size: clamp(2rem, 5vw, 3.3rem);
  line-height: 1.13;
}

.hero h1 span {
  display: inline-block;
  padding: 0 0.25rem;
  background: linear-gradient(to top, #ffe08a 45%, transparent 45%);
}

.hero-text {
  color: var(--muted);
  max-width: 40ch;
  margin: 1.1rem 0 0;
}

.hero-cta {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero-points {
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
  color: #2f3a4d;
}

.hero-points li {
  margin: 0.45rem 0;
  padding-left: 1.45rem;
  position: relative;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #ff8f4a);
}

.hero-card {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.3rem;
  border: 1px solid #e5ebf6;
}

.card-title {
  margin: 0;
  font-weight: 700;
  color: #20304f;
}

.hero-card ul {
  margin: 1rem 0 1.2rem;
  padding: 0;
  list-style: none;
}

.hero-card li {
  display: grid;
  gap: 0.15rem;
  margin: 0.8rem 0;
  padding: 0.8rem;
  background: linear-gradient(120deg, #f6fbff, #f5fff8);
  border-radius: 14px;
}

.hero-card li span {
  color: var(--muted);
  font-size: 0.88rem;
}

.metrics {
  margin-top: 1.2rem;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(4, 1fr);
}

.metrics article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
  text-align: center;
}

.metrics .num {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: #1e2f4e;
}

.metrics p:last-child {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.section-head h2 {
  margin: 0.5rem 0 0;
  font-size: clamp(1.45rem, 3.6vw, 2.2rem);
}

.programs,
.process,
.reviews,
.contact {
  padding: 4rem 0 1rem;
}

.program-grid {
  margin-top: 1.2rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
}

.program-card {
  background: linear-gradient(160deg, #ffffff, #f9fcff);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.2rem;
}

.program-card h3 {
  margin: 0;
}

.program-card p {
  color: #0b7a94;
  font-weight: 700;
  margin: 0.45rem 0 0;
}

.program-card ul {
  padding-left: 1rem;
  color: var(--muted);
  margin: 0.8rem 0 0;
}

.program-card li {
  margin: 0.35rem 0;
}

.step-list {
  list-style: none;
  padding: 0;
  margin: 1.4rem 0 0;
  display: grid;
  gap: 0.9rem;
}

.step-list li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 0.95rem;
  align-items: center;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: white;
}

.step-list li span {
  width: 58px;
  height: 58px;
  display: inline-grid;
  place-items: center;
  border-radius: 17px;
  background: linear-gradient(140deg, #ffd670, #ffb14f);
  color: #3c2b00;
  font-family: "Montserrat", sans-serif;
  font-size: 1.15rem;
  font-weight: 800;
}

.step-list h3 {
  margin: 0;
}

.step-list p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.review-grid {
  margin-top: 1.2rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
}

.review-grid article {
  border-radius: 18px;
  padding: 1.1rem;
  background: linear-gradient(160deg, #ffffff, #fff6e9);
  border: 1px solid #f5ddbd;
}

.review-grid p {
  margin: 0;
}

.review-grid span {
  margin-top: 0.8rem;
  display: block;
  color: #725328;
  font-size: 0.88rem;
}

.contact {
  padding-bottom: 4.2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: start;
}

.contact-form {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem;
  display: grid;
  gap: 0.8rem;
}

.contact-form label {
  font-size: 0.9rem;
  color: #2d3650;
  display: grid;
  gap: 0.4rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid #ced8ea;
  border-radius: 12px;
  padding: 0.75rem;
  font: inherit;
}

.site-footer {
  border-top: 1px solid rgba(220, 226, 239, 0.8);
  padding: 1rem 0 2rem;
  color: var(--muted);
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

  .program-grid,
  .review-grid,
  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-links {
    display: none;
  }
}

@media (max-width: 640px) {
  .program-grid,
  .review-grid,
  .metrics {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3.4rem;
  }

  .container {
    width: min(1120px, calc(100% - 1.4rem));
  }
}