:root {
  --color-bg: #0b0c15;
  --color-surface: #121326;
  --color-surface-alt: #181a34;
  --color-border: #2a2c54;
  --color-primary: #6c7cff;
  --color-primary-strong: #4859ff;
  --color-secondary: #00c2b7;
  --color-text: #f5f6ff;
  --color-text-muted: #b0b2ca;
  --color-strength: #5be1a5;
  --color-risk: #ff7b84;
  --color-action: #ffd66b;
  --font-base: "Pretendard", "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shadow-soft: 0 16px 40px rgba(6, 9, 30, 0.35);
  --shadow-flat: 0 0 0 1px rgba(108, 124, 255, 0.05);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container-max: 1200px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: radial-gradient(circle at top left, #1a1d37 0%, #070811 50%, #050711 100%);
  min-height: 100vh;
}

a {
  color: var(--color-text);
  text-decoration: none;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(22px);
  background: rgba(5, 7, 17, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  min-height: var(--header-height);
}

.site-header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.site-header__drawer {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-nav {
  display: flex;
  gap: 18px;
}

.site-nav a {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  padding: 8px 10px;
  border-radius: 999px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus,
.site-nav a.is-active {
  color: var(--color-text);
  background-color: rgba(108, 124, 255, 0.12);
}

.site-header__cta {
  display: flex;
  gap: 12px;
}

.nav-toggle {
  display: none;
  border: none;
  background: transparent;
  color: var(--color-text);
  font: inherit;
  padding: 8px;
  border-radius: 10px;
  cursor: pointer;
  align-items: center;
  gap: 10px;
}

.nav-toggle:focus {
  outline: 2px solid rgba(108, 124, 255, 0.5);
  outline-offset: 2px;
}

.nav-toggle__label {
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-toggle__icon {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.nav-toggle__icon span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.is-open .nav-toggle__icon span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle__icon span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open .nav-toggle__icon span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  color: var(--color-text);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-strong) 100%);
  box-shadow: var(--shadow-flat);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(108, 124, 255, 0.35);
}

.button--ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: none;
}

.button--ghost:hover,
.button--ghost:focus {
  background: rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.button--large {
  padding: 14px 28px;
  font-size: 1rem;
}

.button--full {
  width: 100%;
}

.page-main {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 120px 32px 120px;
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(108, 124, 255, 0.18);
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  align-items: center;
  gap: 40px;
  padding: 48px;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(26, 29, 55, 0.92), rgba(9, 11, 24, 0.92));
  box-shadow: var(--shadow-soft);
}

.hero__copy h1 {
  font-size: 2.8rem;
  line-height: 1.15;
  margin: 16px 0;
}

.hero__copy p {
  color: var(--color-text-muted);
  margin-bottom: 28px;
  font-size: 1.05rem;
}

.hero__list {
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  color: var(--color-text-muted);
}

.hero__list li {
  position: relative;
  padding-left: 18px;
}

.hero__list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__metrics {
  display: grid;
  gap: 18px;
}

.metric-card {
  padding: 22px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 32px rgba(5, 7, 12, 0.3);
}

.metric-card strong {
  display: block;
  font-size: 2.1rem;
  margin-bottom: 8px;
  color: var(--color-secondary);
}

.metric-card span {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.panel {
  border-radius: var(--radius-lg);
  background: rgba(10, 12, 26, 0.85);
  padding: 48px;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.hero--intro {
  margin-top: 24px;
}

.panel__header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}

.panel__header h2 {
  margin: 0;
  font-size: 2.1rem;
}

.panel__subtitle {
  color: var(--color-text-muted);
  margin-top: 12px;
}

.panel__header-cta {
  display: flex;
  gap: 12px;
}

.intake-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
}

.intake-form {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 32px;
  border-radius: var(--radius-md);
  background: rgba(13, 15, 34, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-row label {
  font-weight: 600;
  font-size: 0.95rem;
}

.form-row input,
.form-row textarea {
  font: inherit;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: rgba(108, 124, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(108, 124, 255, 0.2);
}

.form-row--split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.form-row small {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.form-status {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.intake-aside {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.aside-card {
  padding: 24px;
  border-radius: var(--radius-md);
  background: rgba(22, 23, 42, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.aside-card h3 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.15rem;
}

.aside-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
  color: var(--color-text-muted);
}

.aside-card--highlight {
  background: linear-gradient(145deg, rgba(72, 89, 255, 0.2), rgba(0, 194, 183, 0.16));
  border-color: rgba(108, 124, 255, 0.35);
}

.panel--analysis .analysis-output {
  border-radius: var(--radius-md);
  background: rgba(11, 14, 31, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 32px;
  min-height: 220px;
  display: grid;
  gap: 18px;
}

.analysis-placeholder {
  color: var(--color-text-muted);
  text-align: center;
  display: grid;
  gap: 12px;
}

.analysis-entry {
  padding: 20px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.04);
  display: grid;
  gap: 10px;
}

.analysis-entry--score {
  border: 1px solid rgba(108, 124, 255, 0.25);
  background: linear-gradient(135deg, rgba(108, 124, 255, 0.2), rgba(0, 194, 183, 0.12));
}

.analysis-entry__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.analysis-entry[data-type="strength"] .analysis-entry__badge {
  background: rgba(91, 225, 165, 0.2);
  color: var(--color-strength);
}

.analysis-entry[data-type="risk"] .analysis-entry__badge {
  background: rgba(255, 123, 132, 0.2);
  color: var(--color-risk);
}

.analysis-entry[data-type="action"] .analysis-entry__badge {
  background: rgba(255, 214, 107, 0.2);
  color: var(--color-action);
}

.analysis-score {
  font-size: 3rem;
  font-weight: 700;
  margin: 4px 0;
  color: var(--color-text);
}

.analysis-summary {
  color: var(--color-text-muted);
  margin: 0;
}

.legend {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.legend__item {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text);
}

.legend__item--strength {
  background: rgba(91, 225, 165, 0.2);
  color: var(--color-strength);
}

.legend__item--risk {
  background: rgba(255, 123, 132, 0.2);
  color: var(--color-risk);
}

.legend__item--action {
  background: rgba(255, 214, 107, 0.2);
  color: var(--color-action);
}

.analysis-accordion {
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(20, 22, 40, 0.7);
}

.accordion-toggle {
  width: 100%;
  padding: 18px 24px;
  border: none;
  background: transparent;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.accordion-toggle__icon {
  display: inline-flex;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  align-items: center;
  justify-content: center;
}

.accordion-panel {
  padding: 0 24px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.guidance-list {
  list-style: none;
  padding: 16px 0 0;
  margin: 0;
  display: grid;
  gap: 12px;
  color: var(--color-text-muted);
}

.section {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding: 0 8px;
}

.section__header {
  text-align: center;
  display: grid;
  gap: 16px;
}

.section__header h2 {
  margin: 0;
  font-size: 2rem;
}

.section__header p {
  color: var(--color-text-muted);
  margin: 0 auto;
  max-width: 620px;
}

.cards-grid {
  display: grid;
  gap: 24px;
}

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

.card {
  padding: 28px;
  border-radius: var(--radius-md);
  background: rgba(14, 16, 32, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 16px 30px rgba(5, 7, 15, 0.24);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 12px;
}

.card p {
  color: var(--color-text-muted);
  margin: 0;
}

.card--stack {
  background: linear-gradient(145deg, rgba(72, 89, 255, 0.18), rgba(0, 194, 183, 0.14));
  border-color: rgba(108, 124, 255, 0.22);
}

.workflow-grid,
.features-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.workflow-card,
.feature-card {
  padding: 28px;
  border-radius: var(--radius-md);
  background: rgba(14, 16, 32, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 16px 30px rgba(5, 7, 15, 0.28);
}

.workflow-card h3,
.feature-card h3 {
  margin-top: 0;
  margin-bottom: 12px;
}

.workflow-card p,
.feature-card p {
  color: var(--color-text-muted);
}

.case-card {
  padding: 32px;
  border-radius: var(--radius-md);
  background: rgba(10, 12, 27, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 16px 36px rgba(5, 6, 18, 0.32);
  display: grid;
  gap: 12px;
}

.case-card__tag {
  display: inline-flex;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(108, 124, 255, 0.18);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
}

.case-card h3 {
  margin: 0;
  font-size: 1.4rem;
}

.case-card p {
  color: var(--color-text-muted);
  margin: 0;
}

.faq-list {
  display: grid;
  gap: 16px;
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(16, 18, 36, 0.78);
  overflow: hidden;
}

.faq-item__question {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--color-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.faq-item__question span {
  display: inline-flex;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.faq-item__answer {
  padding: 0 24px 24px;
  color: var(--color-text-muted);
}

.site-footer {
  background: rgba(3, 5, 12, 0.95);
  padding: 72px 32px 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.site-footer__content {
  max-width: var(--container-max);
  margin: 0 auto 48px;
  display: grid;
  gap: 32px;
  grid-template-columns: 1.2fr 1fr;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: 32px;
  border-radius: var(--radius-md);
  background: rgba(14, 16, 32, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-form input,
.contact-form textarea {
  font: inherit;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(0, 194, 183, 0.6);
  box-shadow: 0 0 0 3px rgba(0, 194, 183, 0.18);
}

.site-footer__meta {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8rem;
}

.contact-panel {
  display: grid;
  gap: 18px;
  padding: 32px;
  border-radius: var(--radius-md);
  background: rgba(14, 16, 32, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-panel a {
  color: var(--color-text);
}

.contact-panel p {
  color: var(--color-text-muted);
  margin: 0;
}

.contact-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 4px;
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 40px;
  }

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

  .site-header__drawer {
    gap: 16px;
  }

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

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

  .site-footer__content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    font-size: 15px;
  }

  .site-header__inner {
    padding: 16px 20px;
    gap: 12px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-toggle__label {
    font-size: 0.75rem;
  }

  .site-header__drawer {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    padding: 24px 20px 32px;
    background: rgba(8, 10, 20, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 16px 36px rgba(3, 4, 12, 0.4);
    z-index: 200;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }

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

  .site-nav {
    flex-direction: column;
    gap: 12px;
    width: 100%;
  }

  .site-nav a {
    padding: 10px 0;
  }

  .site-header__cta {
    flex-direction: column;
    width: 100%;
  }

  .site-header__cta .button {
    width: 100%;
  }

  .page-main {
    padding: 96px 20px 96px;
    gap: 64px;
  }

  .hero__copy h1 {
    font-size: 2.2rem;
  }

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

  .panel {
    padding: 32px 24px;
  }

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

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

  .workflow-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .form-row--split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 14px;
  }

  .site-header__inner {
    padding: 14px 20px;
  }

  .hero {
    padding: 28px;
  }

  .hero__copy h1 {
    font-size: 1.9rem;
  }

  .hero__list {
    gap: 10px;
  }

  .metric-card strong {
    font-size: 1.8rem;
  }

  .cards-grid--three {
    grid-template-columns: 1fr;
  }

  .intake-form,
  .contact-form {
    padding: 24px;
  }
}