:root {
  --brand: #0f8f6d;
  --brand-dark: #0a6e54;
  --cream: #f8f6f1;
  --ink: #1f2a24;
  --muted: #6b7570;
  --line: #e7e2d8;
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Malgun Gothic", sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* header */

.site-header {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  background: rgba(248, 246, 241, 0.9);
  position: sticky;
  top: 0;
  backdrop-filter: blur(6px);
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand img {
  height: 24px;
  width: auto;
  display: block;
}

.site-header nav {
  display: flex;
  gap: 24px;
  font-size: 14px;
  color: var(--muted);
}

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

/* hero */

.hero {
  padding: 72px 0 56px;
}

.hero .wrap {
  display: flex;
  align-items: center;
  gap: 48px;
}

.hero-copy {
  flex: 1.1;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-dark);
  background: rgba(15, 143, 109, 0.1);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 40px;
  line-height: 1.3;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.hero p.lead {
  font-size: 17px;
  color: var(--muted);
  margin: 0 0 28px;
  max-width: 480px;
}

.hero-visual {
  flex: 0.9;
  display: flex;
  justify-content: center;
}

.hero-visual img {
  width: 220px;
  max-width: 100%;
  height: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
}

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

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-outline {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn-outline:hover {
  border-color: var(--brand);
  color: var(--brand-dark);
}

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

/* features */

.features {
  padding: 24px 0 72px;
}

.features h2 {
  font-size: 26px;
  margin: 0 0 32px;
  text-align: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.feature-card .icon {
  font-size: 28px;
  margin-bottom: 14px;
  display: block;
}

.feature-card h3 {
  font-size: 17px;
  margin: 0 0 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

/* generic page (privacy / terms / contact) */

.page {
  padding: 56px 0 80px;
}

.page-header {
  margin-bottom: 36px;
}

.page-header h1 {
  font-size: 30px;
  margin: 0 0 8px;
}

.page-header p {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}

.doc {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px;
}

.doc h2 {
  font-size: 18px;
  margin: 32px 0 12px;
}

.doc h2:first-child {
  margin-top: 0;
}

.doc p, .doc li {
  font-size: 15px;
  color: #3c453f;
}

.doc ul {
  padding-left: 20px;
}

.doc table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 14px;
}

.doc th, .doc td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
}

.doc th {
  background: var(--cream);
}

/* contact form */

.contact-grid {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.contact-form {
  flex: 1;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
}

.contact-info {
  flex: 0.7;
  padding-top: 8px;
}

.contact-info h3 {
  font-size: 16px;
  margin: 0 0 10px;
}

.contact-info p {
  font-size: 14px;
  color: var(--muted);
}

.field {
  margin-bottom: 20px;
}

.field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.field select,
.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
}

.field select:focus,
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand);
}

.field textarea {
  resize: vertical;
  min-height: 140px;
}

.form-note {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}

.form-status {
  margin-top: 16px;
  font-size: 14px;
  min-height: 20px;
}

.form-status.success {
  color: var(--brand-dark);
}

.form-status.error {
  color: #c0392b;
}

button[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

/* footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
}

.site-footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 18px;
}

.footer-links a:hover {
  color: var(--ink);
}

@media (max-width: 720px) {
  .hero .wrap {
    flex-direction: column-reverse;
    text-align: center;
  }

  .hero p.lead {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

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

  .contact-grid {
    flex-direction: column;
  }

  .doc {
    padding: 24px;
  }

  .site-header nav {
    gap: 14px;
  }
}