/* Secure API Integrations — warm pastel theme */
:root {
  --blush: #f3cfc4;
  --peach: #f8e4d8;
  --cream: #fff8f4;
  --rose: #e8a090;
  --coral: #d4846a;
  --mint: #c8ddd4;
  --sage: #8fafa3;
  --lavender: #ddd0e0;
  --ink: #3d2f2a;
  --muted: #7a6660;
  --card: #ffffff;
  --shadow: 0 10px 30px rgba(61, 47, 42, 0.08);
  --shadow-soft: 0 4px 16px rgba(61, 47, 42, 0.06);
  --radius: 1.25rem;
  --radius-sm: 0.75rem;
  --radius-pill: 999px;
  --font-display: "Gowun Batang", "Noto Serif KR", serif;
  --font-body: "Noto Sans KR", sans-serif;
  --max: 1120px;
  --header-h: 4.25rem;
}

*,
*::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%, rgba(232, 176, 168, 0.35), transparent 55%),
    radial-gradient(ellipse 60% 40% at 95% 5%, rgba(200, 221, 212, 0.4), transparent 50%),
    linear-gradient(180deg, var(--cream) 0%, #fff5ef 40%, #f7efe8 100%);
  min-height: 100vh;
  line-height: 1.7;
  font-size: 1rem;
}

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

a {
  color: var(--coral);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 0.75rem;
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(255, 248, 244, 0.85);
  border-bottom: 1px solid rgba(232, 176, 168, 0.35);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, #fff8f5 0%, transparent 40%),
    linear-gradient(145deg, var(--rose), var(--coral));
  box-shadow: var(--shadow-soft);
  flex-shrink: 0;
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.site-nav .nav-cta {
  background: var(--coral);
  color: #fff !important;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-soft);
}

.site-nav .nav-cta:hover {
  background: var(--ink);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(255, 248, 244, 0.98);
    padding: 1rem 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(232, 176, 168, 0.35);
    box-shadow: var(--shadow);
  }

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

  .site-nav .nav-cta {
    text-align: center;
    margin-top: 0.5rem;
  }
}

/* Layout */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 4rem 0;
}

.section-tight {
  padding: 2.5rem 0;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 0.75rem;
}

.lead {
  font-size: 1.1rem;
  max-width: 38rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-pill);
  border: none;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  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: linear-gradient(135deg, var(--rose), var(--coral));
  color: #fff !important;
  box-shadow: 0 8px 20px rgba(212, 132, 106, 0.35);
}

.btn-primary:hover {
  color: #fff !important;
  box-shadow: 0 12px 28px rgba(212, 132, 106, 0.45);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink) !important;
  border: 1.5px solid var(--blush);
}

.btn-ghost:hover {
  background: #fff;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Cards */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid rgba(243, 207, 196, 0.5);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(61, 47, 42, 0.1);
}

.card-body {
  padding: 1.35rem 1.5rem 1.6rem;
}

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

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

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

@media (max-width: 800px) {
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* Hero variants */
.hero-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: end;
  padding: 3.5rem 0 2rem;
  min-height: calc(100vh - var(--header-h) - 2rem);
}

.hero-visual {
  position: relative;
  border-radius: 2rem;
  overflow: hidden;
  box-shadow: var(--shadow);
  animation: float-in 0.9s ease both;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  min-height: 420px;
}

.hero-copy {
  padding-bottom: 1.5rem;
  animation: rise 0.8s ease both;
}

.hero-copy h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.2rem);
  color: var(--ink);
  margin-bottom: 1rem;
}

.hero-brand-signal {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--coral);
  margin-bottom: 0.35rem;
  letter-spacing: -0.02em;
}

@media (max-width: 850px) {
  .hero-split {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 2rem;
  }

  .hero-visual {
    order: -1;
  }

  .hero-visual img {
    min-height: 280px;
    aspect-ratio: 16 / 10;
  }
}

/* Soft blob backgrounds */
.blob-panel {
  position: relative;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.75), rgba(248, 228, 216, 0.6));
  border-radius: 2rem;
  padding: 2.5rem;
  border: 1px solid rgba(243, 207, 196, 0.6);
  box-shadow: var(--shadow-soft);
}

/* Trust strip */
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  justify-content: center;
  padding: 2rem 0;
  border-top: 1px solid rgba(232, 176, 168, 0.3);
  border-bottom: 1px solid rgba(232, 176, 168, 0.3);
}

.trust-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.65rem;
  color: var(--ink);
}

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

/* Feature list — not cards by default, soft panels */
.feature-flow {
  display: grid;
  gap: 2rem;
}

.feature-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(232, 176, 168, 0.25);
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
  background: linear-gradient(145deg, var(--mint), var(--peach));
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  box-shadow: var(--shadow-soft);
}

/* Testimonials */
.quote-block {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(221, 208, 224, 0.5);
}

.quote-block blockquote {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  color: var(--ink);
  font-style: italic;
}

.quote-meta {
  font-size: 0.88rem;
  color: var(--muted);
}

.stars {
  color: var(--coral);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

/* Pricing */
.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

.price-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(243, 207, 196, 0.5);
  display: flex;
  flex-direction: column;
}

.price-card.featured {
  background: linear-gradient(165deg, #fff 0%, var(--peach) 100%);
  border-color: var(--rose);
  transform: scale(1.02);
}

.price-card h3 {
  color: var(--ink);
}

.price-amount {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--coral);
  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;
  color: var(--muted);
  padding-left: 1.4rem;
  position: relative;
}

.price-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--sage);
}

/* Forms */
.form-panel {
  background: #fff;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(243, 207, 196, 0.5);
}

.form-group {
  margin-bottom: 1.15rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.92rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--blush);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--cream);
  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(--coral);
  box-shadow: 0 0 0 3px rgba(232, 160, 144, 0.25);
}

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

.field-error {
  display: none;
  color: #b54a3c;
  font-size: 0.85rem;
  margin-top: 0.35rem;
}

.form-group.has-error .field-error {
  display: block;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: #b54a3c;
}

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

.form-status.is-success {
  display: block;
  background: rgba(200, 221, 212, 0.5);
  color: #2d5a4a;
}

.form-status.is-error {
  display: block;
  background: rgba(232, 160, 144, 0.35);
  color: #8a3a2e;
}

.inline-error {
  background: rgba(232, 160, 144, 0.3);
  color: #8a3a2e;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  margin: 0.5rem 0;
}

/* Page hero (inner pages) */
.page-hero {
  padding: 3rem 0 2rem;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
}

.page-hero p {
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

.page-hero-visual {
  margin: 2rem auto 0;
  max-width: 720px;
  border-radius: 1.5rem;
  overflow: hidden;
  box-shadow: var(--shadow);
}

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

/* Course / blog meta */
.meta {
  font-size: 0.85rem;
  color: var(--sage);
  margin-bottom: 0.5rem;
}

.prose {
  max-width: 720px;
  margin: 0 auto;
}

.prose h2 {
  margin-top: 2.5rem;
}

.prose ul,
.prose ol {
  color: var(--muted);
  padding-left: 1.25rem;
}

.prose li {
  margin-bottom: 0.4rem;
}

.module-list {
  list-style: none;
  padding: 0;
}

.module-list li {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(243, 207, 196, 0.4);
  color: var(--muted);
}

.module-list strong {
  color: var(--ink);
  display: block;
  margin-bottom: 0.25rem;
}

/* FAQ */
.faq details {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(243, 207, 196, 0.4);
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
}

.faq details p {
  margin: 0.75rem 0 0;
}

/* Tables */
.cookie-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  font-size: 0.9rem;
}

.cookie-table th,
.cookie-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(243, 207, 196, 0.4);
  color: var(--muted);
}

.cookie-table th {
  background: var(--peach);
  color: var(--ink);
  font-weight: 600;
}

/* Footer */
.site-footer {
  margin-top: 4rem;
  background: linear-gradient(180deg, transparent, rgba(243, 207, 196, 0.35));
  padding: 3.5rem 0 2rem;
  border-top: 1px solid rgba(232, 176, 168, 0.35);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.footer-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink);
  margin-bottom: 0.35rem;
}

.footer-tag {
  max-width: 28rem;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin: 2.5rem 0;
}

.footer-cols h3 {
  font-size: 0.95rem;
  margin-bottom: 0.85rem;
}

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

.footer-cols li {
  margin-bottom: 0.45rem;
}

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

.footer-cols a:hover {
  color: var(--coral);
}

.footer-address {
  font-style: normal;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.footer-copy {
  font-size: 0.85rem;
  border-top: 1px solid rgba(232, 176, 168, 0.3);
  padding-top: 1.25rem;
}

@media (max-width: 800px) {
  .footer-cols {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 500px) {
  .footer-cols {
    grid-template-columns: 1fr;
  }
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  max-width: 520px;
  margin: 0 auto;
  z-index: 200;
  background: #fff;
  border-radius: var(--radius);
  padding: 1.35rem 1.5rem;
  box-shadow: 0 16px 48px rgba(61, 47, 42, 0.18);
  border: 1px solid var(--blush);
  animation: rise 0.45s ease both;
}

.cookie-banner[hidden] {
  display: none !important;
}

.cookie-banner p {
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.cookie-banner a {
  color: var(--coral);
}

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

.cookie-actions .btn {
  padding: 0.55rem 1.1rem;
  font-size: 0.88rem;
}

.btn-reject {
  background: transparent;
  color: var(--muted) !important;
  border: 1.5px solid var(--blush);
}

.btn-reject:hover {
  background: var(--peach);
  color: var(--ink) !important;
}

/* 404 */
.error-page {
  text-align: center;
  padding: 5rem 1.25rem;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

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

/* Instructor */
.instructor {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.25rem;
  align-items: center;
  background: #fff;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.instructor img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
}

@media (max-width: 500px) {
  .instructor {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }
}

/* Animations */
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float-in {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.reveal {
  animation: rise 0.7s ease both;
}

.reveal-delay {
  animation: rise 0.7s ease 0.15s both;
}

.soft-pulse {
  animation: soft-pulse 4s ease-in-out infinite;
}

@keyframes soft-pulse {
  0%, 100% {
    box-shadow: 0 8px 24px rgba(212, 132, 106, 0.2);
  }
  50% {
    box-shadow: 0 12px 32px rgba(143, 175, 163, 0.35);
  }
}

/* Legal prose */
.legal {
  max-width: 760px;
  margin: 0 auto;
  padding-bottom: 3rem;
}

.legal h2 {
  margin-top: 2rem;
  font-size: 1.25rem;
}

.legal p,
.legal li {
  font-size: 0.95rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 800px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.address-block {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(243, 207, 196, 0.5);
}

.address-block address {
  font-style: normal;
  color: var(--muted);
  margin-bottom: 1rem;
}

.case-study {
  background: linear-gradient(145deg, #fff, var(--peach));
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(243, 207, 196, 0.5);
  margin-bottom: 1.5rem;
}

.tag {
  display: inline-block;
  background: var(--mint);
  color: #2d5a4a;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
}