:root {
  --ink: #141414;
  --sand: #f4efe7;
  --sun: #ffb000;
  --jade: #0f766e;
  --sky: #b7d8ff;
  --chili: #f05941;
  --graphite: #2c2c2c;
  --glass: rgba(255, 255, 255, 0.8);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans KR", sans-serif;
  background: radial-gradient(circle at top, #fff6d5 0%, #f9e7d9 45%, #e7f1ff 100%);
  color: var(--ink);
  min-height: 100vh;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.hero {
  padding: 32px 6vw 48px;
  background: linear-gradient(120deg, rgba(255, 176, 0, 0.18), rgba(15, 118, 110, 0.2));
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-links {
  display: flex;
  gap: 16px;
  font-size: 14px;
}

.nav a,
.footer a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.nav a:hover,
.footer a:hover {
  border-color: rgba(20, 20, 20, 0.6);
}

.logo {
  font-family: "Changa", sans-serif;
  font-weight: 700;
  letter-spacing: 1px;
  font-size: 20px;
}

.hero-content {
  max-width: 640px;
  padding-top: 48px;
}

.eyebrow {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin: 0 0 12px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  margin: 0 0 16px;
  font-weight: 700;
}

.lead {
  font-size: 18px;
  line-height: 1.6;
  margin: 0 0 28px;
}

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

.pick-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 14px 0 10px;
}

.pick-controls .primary,
.pick-controls .outline {
  min-width: 160px;
}

.pick-controls button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
}

.step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.08em;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.2);
}

.btn-text {
  font-size: 15px;
}

.primary .step-badge {
  background: rgba(255, 255, 255, 0.2);
}

.outline .step-badge {
  background: rgba(20, 20, 20, 0.08);
}

button {
  border: none;
  cursor: pointer;
  font-family: "Noto Sans KR", sans-serif;
  font-weight: 600;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  box-shadow: none;
  transform: none;
}

button:active {
  transform: translateY(1px) scale(0.99);
}

.primary {
  background: var(--ink);
  color: #fff;
  padding: 14px 24px;
  border-radius: 999px;
  box-shadow: 0 12px 25px rgba(20, 20, 20, 0.2);
}

.primary:hover {
  box-shadow: 0 18px 30px rgba(20, 20, 20, 0.25);
}

.outline {
  background: transparent;
  border: 2px solid var(--ink);
  padding: 12px 22px;
  border-radius: 999px;
}

.ghost {
  background: var(--glass);
  border-radius: 999px;
  padding: 10px 18px;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.main {
  padding: 40px 6vw 72px;
  display: grid;
  gap: 24px;
}

.card {
  background: var(--glass);
  backdrop-filter: blur(12px);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 20px 40px rgba(15, 118, 110, 0.12);
  border: 1px solid rgba(0, 0, 0, 0.05);
  animation: rise 0.6s ease;
}

@keyframes rise {
  from {
    transform: translateY(12px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.label {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 0 0 6px;
  color: var(--graphite);
}

.card h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 32px);
}

.sub {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.6;
}

.hint {
  color: rgba(20, 20, 20, 0.65);
  font-size: 14px;
}

.pulse {
  animation: pulse 0.9s ease-in-out infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.04);
  }
  100% {
    transform: scale(1);
  }
}

.actions {
  margin-top: 20px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tag {
  background: var(--sun);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.recommendations {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.recommendations li {
  background: rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  padding: 14px 18px;
  line-height: 1.5;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.grid {
  display: grid;
  gap: 16px;
}

.card,
.info,
.content {
  position: relative;
}

.card::after,
.content::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(0, 0, 0, 0.04);
  pointer-events: none;
}

.main > .card:nth-child(1) {
  border-left: 4px solid rgba(15, 118, 110, 0.25);
}

.main > .card:nth-child(2) {
  border-left: 4px solid rgba(240, 89, 65, 0.25);
}

.content {
  background: rgba(255, 255, 255, 0.88);
  border-radius: 22px;
  padding: 28px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.06);
}

.content-head {
  margin-bottom: 18px;
}

.content-head h2 {
  margin-bottom: 6px;
}
.content-grid {
  display: grid;
  gap: 16px;
}

.content-grid h4 {
  margin: 0 0 6px;
  font-size: 18px;
}

.content-grid p {
  margin: 0;
  line-height: 1.6;
  color: rgba(20, 20, 20, 0.85);
}

.sample-grid {
  display: grid;
  gap: 16px;
}

.sample-card {
  background: #fff;
  border-radius: 18px;
  padding: 18px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 12px 20px rgba(0, 0, 0, 0.04);
}

.sample-card h4 {
  margin: 0 0 6px;
  font-size: 18px;
}

.sample-card p {
  margin: 0 0 10px;
  color: rgba(20, 20, 20, 0.85);
}

.badge {
  display: inline-block;
  background: rgba(15, 118, 110, 0.12);
  color: var(--jade);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.checklist li {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 14px;
  padding: 12px 14px;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.faq {
  display: grid;
  gap: 14px;
}

.faq h4 {
  margin: 0 0 6px;
  font-size: 18px;
}

.faq p {
  margin: 0;
  color: rgba(20, 20, 20, 0.85);
  line-height: 1.6;
}

.updated {
  margin: 18px 0 0;
  font-size: 12px;
  color: rgba(20, 20, 20, 0.6);
}

.info {
  background: #fff;
  border-radius: 18px;
  padding: 20px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05);
}

.info p {
  margin: 0;
  line-height: 1.6;
  color: rgba(20, 20, 20, 0.85);
}

.info h3 {
  margin: 0 0 8px;
  font-family: "Changa", sans-serif;
  font-size: 20px;
}

.footer {
  text-align: center;
  padding: 30px 16px 50px;
  font-size: 14px;
  color: rgba(20, 20, 20, 0.7);
}

.footer-links {
  display: flex;
  gap: 18px;
  justify-content: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

@media (min-width: 960px) {
  .main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid {
    grid-column: span 2;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .content {
    grid-column: span 2;
  }

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

  .sample-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (max-width: 600px) {
  .hero {
    padding: 24px 6vw 36px;
  }

  .card {
    padding: 22px;
  }

  .hero-actions,
  .actions {
    flex-direction: column;
    align-items: stretch;
  }

  .pick-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    flex-wrap: wrap;
  }
}