/* Reporting Intelligence — pastel warm theme */
:root {
  --bg: #fff6f2;
  --bg-soft: #f3f8f5;
  --bg-blush: #fce8e1;
  --surface: #ffffff;
  --primary: #e8917c;
  --primary-deep: #d47862;
  --primary-soft: #f5c6b8;
  --accent: #7ba89a;
  --accent-soft: #d4e8e0;
  --ink: #3d3532;
  --muted: #7a6f6a;
  --line: #eddcd5;
  --shadow: 0 10px 28px rgba(61, 53, 50, 0.08);
  --shadow-sm: 0 4px 14px rgba(61, 53, 50, 0.06);
  --radius: 22px;
  --radius-sm: 14px;
  --radius-pill: 999px;
  --font-display: "Gowun Dodum", "Noto Serif KR", serif;
  --font-body: "Noto Sans KR", sans-serif;
  --max: 1120px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, #fad9c8 0%, transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, #d4e8e0 0%, transparent 50%),
    var(--bg);
  line-height: 1.7;
  min-height: 100vh;
}

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

a {
  color: var(--primary-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.35;
  margin: 0 0 0.6em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.15rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 246, 242, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--primary-soft), var(--accent-soft));
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  border: none;
  background: var(--surface);
  border-radius: 12px;
  padding: 0.55rem 0.75rem;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem 1.1rem;
  flex-wrap: wrap;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.92rem;
  padding: 0.25rem 0;
  transition: color 0.2s ease;
}

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

.site-nav .nav-cta {
  background: var(--primary);
  color: #fff !important;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, background 0.2s ease;
}

.site-nav .nav-cta:hover {
  background: var(--primary-deep);
  transform: translateY(-1px);
}

@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; align-items: center; }
  .site-nav {
    display: none;
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: calc(var(--header-h) + 0.35rem);
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
  }
  .site-nav.is-open { display: flex; }
  .site-nav .nav-cta { text-align: center; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-pill);
  border: none;
  font-family: var(--font-body);
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

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

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

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

.btn-accent:hover { background: #6a9789; color: #fff; }

/* Cards */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(237, 220, 213, 0.7);
  overflow: hidden;
}

.card-body { padding: 1.35rem 1.45rem; }

.card-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: linear-gradient(180deg, var(--bg-soft) 0%, transparent 100%);
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.lead {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 38rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Home hero — brand-led, soft wash */
.hero-home {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: flex-end;
  padding: 3rem 0 4.5rem;
  overflow: hidden;
}

.hero-home::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(255, 246, 242, 0.92) 0%, rgba(255, 246, 242, 0.55) 42%, rgba(252, 232, 225, 0.25) 100%),
    url("https://images.unsplash.com/photo-1551288049-bebda4e38f71?w=1600&q=80") center / cover no-repeat;
  z-index: 0;
  animation: heroFade 1.2s ease both;
}

.hero-home .container {
  position: relative;
  z-index: 1;
}

.brand-hero {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  line-height: 1.15;
  margin: 0 0 0.75rem;
  max-width: 12ch;
  animation: riseIn 0.9s ease 0.15s both;
}

.hero-tagline {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--muted);
  max-width: 28rem;
  margin-bottom: 1.75rem;
  animation: riseIn 0.9s ease 0.35s both;
}

.hero-actions {
  animation: riseIn 0.9s ease 0.5s both;
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes heroFade {
  from { opacity: 0; transform: scale(1.03); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes softFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.float-soft {
  animation: softFloat 5s ease-in-out infinite;
}

/* Soft illustration blobs */
.blob {
  border-radius: 40% 60% 55% 45% / 45% 40% 60% 55%;
  background: linear-gradient(145deg, var(--primary-soft), var(--accent-soft));
  opacity: 0.55;
}

/* Proof strip */
.proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  padding: 2rem 0;
  border-block: 1px solid var(--line);
}

.proof-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--primary-deep);
}

.proof-item span {
  font-size: 0.88rem;
  color: var(--muted);
}

/* Course cards */
.course-card .card-body h3 { margin-bottom: 0.35rem; }
.course-meta {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.pill {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: #3f655a;
  font-size: 0.78rem;
}

/* Testimonials */
.quote-card {
  padding: 1.5rem;
  height: 100%;
}

.quote-card blockquote {
  margin: 0 0 1rem;
  font-size: 1rem;
  color: var(--ink);
}

.quote-card cite {
  font-style: normal;
  font-size: 0.88rem;
  color: var(--muted);
}

.stars {
  color: var(--primary);
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

/* Pricing */
.price-card {
  padding: 2rem 1.6rem;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.price-card.featured {
  border: 2px solid var(--primary-soft);
  transform: translateY(-6px);
}

.price-amount {
  font-family: var(--font-display);
  font-size: 2rem;
  margin: 0.5rem 0 1rem;
}

.price-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  flex: 1;
}

.price-card li {
  padding: 0.4rem 0;
  padding-left: 1.2rem;
  position: relative;
  color: var(--muted);
  font-size: 0.94rem;
}

.price-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
  color: var(--ink);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--surface);
  color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232, 145, 124, 0.22);
}

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

.field-error {
  display: none;
  color: #c45c4a;
  font-size: 0.82rem;
  margin-top: 0.3rem;
}

.form-group.is-invalid .field-error { display: block; }
.form-group.is-invalid input,
.form-group.is-invalid select,
.form-group.is-invalid textarea {
  border-color: #c45c4a;
}

.form-status {
  display: none;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  margin-top: 0.75rem;
  font-size: 0.92rem;
}

.form-status.is-success {
  display: block;
  background: var(--accent-soft);
  color: #2f564a;
}

.form-status.is-error {
  display: block;
  background: #fce4e0;
  color: #8a3b2f;
}

.inline-error {
  display: none;
  margin: 0.75rem 0;
  padding: 0.75rem 1rem;
  background: #fce4e0;
  color: #8a3b2f;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.inline-error.is-visible { display: block; }

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  max-width: 520px;
  z-index: 200;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  padding: 1.25rem 1.35rem;
  display: none;
}

.cookie-banner.is-visible { display: block; animation: riseIn 0.4s ease both; }

.cookie-banner p {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* Footer */
.site-footer {
  background: linear-gradient(180deg, transparent, var(--bg-blush));
  border-top: 1px solid var(--line);
  padding: 3.5rem 0 2rem;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li { margin-bottom: 0.4rem; }

.footer-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.92rem;
}

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

.footer-meta {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.65;
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
}

/* Page heroes (inner) */
.page-hero {
  padding: 3.25rem 0 2rem;
}

.page-hero p {
  color: var(--muted);
  max-width: 36rem;
}

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

.prose h2 { margin-top: 2rem; }
.prose ul, .prose ol { padding-left: 1.25rem; color: var(--muted); }
.prose li { margin-bottom: 0.4rem; }

.article-cover {
  border-radius: var(--radius);
  overflow: hidden;
  margin: 1.5rem 0 2rem;
  box-shadow: var(--shadow);
}

.article-cover img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 0.9rem;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

th {
  background: var(--bg-soft);
  font-weight: 500;
}

/* FAQ */
.faq-item {
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.25rem;
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow-sm);
}

.faq-item h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

/* Modules */
.module-list {
  counter-reset: mod;
  list-style: none;
  padding: 0;
}

.module-list li {
  counter-increment: mod;
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.25rem 1.1rem 3.5rem;
  margin-bottom: 0.75rem;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.module-list li::before {
  content: counter(mod, decimal-leading-zero);
  position: absolute;
  left: 1rem;
  top: 1.1rem;
  font-family: var(--font-display);
  color: var(--primary);
  font-size: 0.95rem;
}

/* Avatar */
.avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}

.instructor {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: var(--surface);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* 404 */
.page-404 {
  min-height: 60vh;
  display: flex;
  align-items: center;
  text-align: center;
  padding: 4rem 0;
}

.page-404 .code {
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--primary-soft);
  line-height: 1;
  margin-bottom: 0.5rem;
}

/* Contact address block */
.contact-aside {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.contact-aside h2 {
  font-size: 1.2rem;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 800px) {
  .contact-layout { grid-template-columns: 1fr; }
  .price-card.featured { transform: none; }
}

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

.muted { color: var(--muted); }
.mt-0 { margin-top: 0; }
.mb-2 { margin-bottom: 2rem; }
.text-center { text-align: center; }
.stack-sm > * + * { margin-top: 0.75rem; }