/* ============================================
   PinkMandarin - Company Website Styles
   ============================================ */

/* --- Variables --- */
:root {
  --pink: #FF6B9D;
  --mandarin: #FF8A65;
  --gradient: linear-gradient(135deg, #FF6B9D, #FF8A65);
  --gradient-hover: linear-gradient(135deg, #e85a8a, #e07854);
  --bg: #FAFAFA;
  --bg-white: #FFFFFF;
  --bg-dark: #1a1a2e;
  --text: #2d2d3a;
  --text-light: #6b7280;
  --text-white: #f0f0f5;
  --border: #e5e7eb;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.1);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
  --max-width: 1120px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* --- Utility --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255, 107, 157, 0.3);
}

.btn-primary:hover {
  background: var(--gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 107, 157, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}

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

.section-label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--text);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 640px;
  line-height: 1.8;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  overflow: hidden;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
}

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

.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 4px;
  gap: 2px;
}

.lang-btn {
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  background: transparent;
  color: var(--text-light);
  transition: var(--transition);
}

.lang-btn.active {
  background: var(--gradient);
  color: #fff;
}

.mobile-controls {
  display: none;
  align-items: center;
  gap: 12px;
}

.mobile-lang {
  display: none;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Hero --- */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(255, 107, 157, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-characters {
  margin-top: 48px;
}

.hero-characters img {
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
  border-radius: var(--radius);
  filter: drop-shadow(0 8px 32px rgba(0, 0, 0, 0.1));
}

/* --- Section Parade --- */
.section-parade {
  text-align: center;
  margin: -40px 0 -60px;
  opacity: 0.75;
  transition: opacity 0.3s;
}

.section-parade:hover {
  opacity: 1;
}

.section-parade img {
  max-width: 400px;
  width: 100%;
  margin: 0 auto;
}

/* --- About --- */
.about {
  padding: 100px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 48px;
}

.about-visual {
  background: var(--gradient);
  border-radius: var(--radius);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  max-height: 400px;
}

.about-visual-inner {
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.15));
}

.about-visual-inner img {
  width: 280px;
  height: 280px;
  object-fit: contain;
}

.about-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  margin-top: 24px;
}

.about-content h3:first-child {
  margin-top: 0;
}

.about-content p {
  color: var(--text-light);
  line-height: 1.8;
}

.value-list {
  list-style: none;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.value-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-light);
}

.value-list li::before {
  content: '';
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  background: var(--gradient);
  border-radius: 50%;
  margin-top: 8px;
}

/* --- Apps --- */
.apps {
  padding: 100px 0;
  background: var(--bg-white);
}

.apps-header {
  text-align: center;
  margin-bottom: 64px;
}

.apps-header .section-desc {
  margin: 0 auto;
}

.app-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.app-cards-single {
  grid-template-columns: 1fr;
  max-width: 560px;
}

.app-card {
  background: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--border);
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.app-card-visual {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.app-card-visual.review-bg {
  background: linear-gradient(135deg, #FFF0F5, #FFE8D6);
}

.app-card-visual.petoxia-bg {
  background: linear-gradient(135deg, #E8F5E9, #F3E5F5);
}

.app-card-visual.mathmove-bg {
  background: linear-gradient(135deg, #EDE9FE, #CFFAFE);
}

.app-card-visual.sct-bg {
  background: linear-gradient(135deg, #E3F2FD, #E8EAF6);
}

.app-card-icon {
  width: 140px;
  height: 140px;
  border-radius: 28px;
  object-fit: cover;
  filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.12));
  transition: var(--transition);
}


.app-card:hover .app-card-icon {
  transform: scale(1.05);
}

.app-card-body {
  padding: 32px;
}

.app-card-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.badge-released {
  background: #dcfce7;
  color: #16a34a;
}

.badge-dev {
  background: #fef3c7;
  color: #d97706;
}

.app-card-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.app-card-title a {
  color: inherit;
  transition: var(--transition);
}

.app-card-title a:hover {
  color: var(--pink);
}

a.app-card-visual {
  display: flex;
}

.app-card-subtitle {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 16px;
}

.app-card-desc {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.app-card-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.feature-tag {
  padding: 4px 12px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--text-light);
}

.app-card-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.app-card-links a {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--pink);
  transition: var(--transition);
}

.app-card-links a:hover {
  opacity: 0.7;
}

/* --- Footer Characters --- */
.footer-characters {
  text-align: center;
  margin-bottom: -4px;
  line-height: 0;
}

.footer-characters img {
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
}

/* --- Contact / Footer --- */
.footer {
  background: var(--bg-dark);
  color: var(--text-white);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand .logo-icon {
  background: rgba(255, 255, 255, 0.15);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer h4 {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
  transition: var(--transition);
}

.footer-bottom a:hover {
  color: #fff;
}

/* --- Legal Pages --- */
.legal-page {
  padding: 120px 0 80px;
  min-height: 100vh;
}

.legal-page .container {
  max-width: 800px;
}

.legal-header {
  margin-bottom: 48px;
}

.legal-header h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.legal-header .meta {
  font-size: 0.9rem;
  color: var(--text-light);
}

.legal-content h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 12px;
  color: var(--text);
}

.legal-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 8px;
}

.legal-content p {
  color: var(--text-light);
  margin-bottom: 12px;
  line-height: 1.8;
}

.legal-content ul,
.legal-content ol {
  margin: 12px 0;
  padding-left: 24px;
  color: var(--text-light);
}

.legal-content li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.legal-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.legal-content th,
.legal-content td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.legal-content th {
  font-weight: 600;
  color: var(--text);
}

.legal-content td {
  color: var(--text-light);
}

.legal-lang-toggle {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
}

.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 32px;
  transition: var(--transition);
}

.legal-back:hover {
  color: var(--pink);
}

.steps-list {
  counter-reset: steps;
  list-style: none;
  padding-left: 0;
}

.steps-list li {
  counter-increment: steps;
  position: relative;
  padding-left: 40px;
  margin-bottom: 16px;
}

.steps-list li::before {
  content: counter(steps);
  position: absolute;
  left: 0;
  top: 2px;
  width: 28px;
  height: 28px;
  background: var(--gradient);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
}

.warning-box {
  background: #FFF7ED;
  border-left: 4px solid #F59E0B;
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
}

.warning-box p {
  color: #92400E;
  margin-bottom: 0;
}

/* --- App Detail Page --- */
.app-detail {
  padding: 120px 0 80px;
}

.app-detail-hero {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 48px;
}

.app-detail-icon {
  width: 120px;
  height: 120px;
  border-radius: 28px;
  object-fit: cover;
  filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.12));
  flex-shrink: 0;
}

.app-detail-info h1 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.app-detail-info .app-developer {
  font-size: 0.9rem;
  color: var(--pink);
  font-weight: 600;
  margin-bottom: 8px;
}

.app-detail-info .app-tagline {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 16px;
}

.app-detail-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.app-detail-badges .app-card-badge {
  margin-bottom: 0;
}

.app-detail-buttons {
  display: flex;
  gap: 12px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}

.btn-store {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--bg-dark);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}

.btn-store:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}

.btn-store-icon {
  font-size: 1.4rem;
}

.btn-store-text small {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  opacity: 0.7;
}

/* Screenshots */
.app-screenshots {
  margin-bottom: 64px;
}

.app-screenshots h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.screenshots-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.screenshots-scroll::-webkit-scrollbar {
  height: 6px;
}

.screenshots-scroll::-webkit-scrollbar-track {
  background: var(--border);
  border-radius: 3px;
}

.screenshots-scroll::-webkit-scrollbar-thumb {
  background: var(--pink);
  border-radius: 3px;
}

.screenshot-item {
  flex-shrink: 0;
  scroll-snap-align: start;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.screenshot-item img {
  height: 480px;
  width: auto;
  display: block;
}

/* App Description */
.app-description {
  margin-bottom: 64px;
}

.app-description h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.app-desc-content {
  color: var(--text-light);
  line-height: 1.9;
  max-width: 720px;
}

.app-desc-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 28px;
  margin-bottom: 8px;
}

.app-desc-content p {
  margin-bottom: 12px;
}

.app-desc-content ul {
  list-style: none;
  padding: 0;
}

.app-desc-content ul li {
  padding: 4px 0;
  padding-left: 24px;
  position: relative;
}

.app-desc-content ul li::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 13px;
  width: 6px;
  height: 6px;
  background: var(--gradient);
  border-radius: 50%;
}

/* Features Grid */
.app-features {
  margin-bottom: 64px;
}

.app-features h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
}

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

.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow);
}

.feature-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
}

.feature-card-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: #fff;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* App Links Section */
.app-links-section {
  margin-bottom: 48px;
}

.app-links-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.app-links-list {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.app-links-list a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--pink);
  transition: var(--transition);
}

.app-links-list a:hover {
  opacity: 0.7;
}

@media (max-width: 768px) {
  .app-detail-hero {
    flex-direction: column;
    text-align: center;
  }

  .app-detail-badges {
    justify-content: center;
  }

  .app-detail-buttons {
    justify-content: center;
  }

  .app-detail-info h1 {
    font-size: 1.75rem;
  }

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

  .screenshot-item img {
    height: 360px;
  }
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.3s; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero {
    padding: 130px 0 64px;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero p {
    font-size: 1.05rem;
  }

  .hero-characters img {
    max-width: 400px;
  }

  .section-parade img {
    max-width: 320px;
  }


  .footer-characters img {
    max-width: 320px;
  }

  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

  .nav.open {
    display: flex;
  }

  .mobile-controls {
    display: flex;
  }

  .mobile-lang {
    display: flex;
  }

  .mobile-toggle {
    display: flex;
  }

  .nav .lang-toggle {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-visual {
    max-height: 280px;
  }

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

  .section-title {
    font-size: 1.75rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .legal-page {
    padding: 100px 0 48px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.85rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .app-card-body {
    padding: 24px;
  }

  .header-inner {
    height: 60px;
  }
}