/* =============================================
   Design Tokens — ANN STUDIO Landing (Soft Pastel Dream)
   ============================================= */
:root {
  --color-primary: #FF8A71;
  --color-primary-dark: #E5735A;
  --color-secondary: #95B8A2;
  --color-accent: #F4D37F;
  --color-bg: #FDFBF7;
  --color-text: #4A433D;
  --color-text-light: #8C847D;
  --color-card-bg: #FFFFFF;
  --color-card-shadow: rgba(74, 67, 61, 0.05);
  --color-card-hover-shadow: rgba(74, 67, 61, 0.12);
  --color-footer-bg: #4A433D;
  --color-footer-text: #FDFBF7;

  --font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-size-hero: clamp(2.5rem, 6vw, 4.5rem);
  --font-size-h2: clamp(1.75rem, 4vw, 2.5rem);
  --font-size-h3: clamp(1.25rem, 2.5vw, 1.5rem);
  --font-size-body: 1.0625rem;
  --font-size-small: 0.9375rem;
  
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  --line-height-tight: 1.15;
  --line-height-normal: 1.6;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 10rem;

  --max-width: 1200px;
  --container-padding: clamp(1.25rem, 5vw, 2.5rem);
  --card-radius: 28px;
  --card-shadow: 0 12px 32px var(--color-card-shadow);
  --card-hover-shadow: 0 24px 64px var(--color-card-hover-shadow);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --animation-duration: 0.8s;
  --animation-easing: cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* =============================================
   Base
   ============================================= */
body {
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: var(--line-height-normal);
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* =============================================
   Hero
   ============================================= */
.hero {
  padding-block: var(--space-3xl) var(--space-2xl);
  text-align: center;
  background-color: var(--color-bg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -10%;
  width: 60%;
  height: 140%;
  background: radial-gradient(ellipse at center, rgba(255, 138, 113, 0.12) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  right: -10%;
  width: 60%;
  height: 140%;
  background: radial-gradient(ellipse at center, rgba(149, 184, 162, 0.12) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

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

.hero-title {
  font-size: var(--font-size-hero);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  letter-spacing: -0.04em;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp var(--animation-duration) var(--animation-easing) 0.1s forwards;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  color: var(--color-text-light);
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp var(--animation-duration) var(--animation-easing) 0.25s forwards;
  line-height: 1.7;
}

/* =============================================
   Portfolio / Section
   ============================================= */
.portfolio {
  padding-block: var(--space-2xl);
  position: relative;
  z-index: 1;
}

.section-title {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: -0.03em;
  text-align: center;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: var(--space-xl);
}

/* =============================================
   Site Grid & Cards
   ============================================= */
.site-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .site-grid { grid-template-columns: repeat(2, 1fr); }
}

.site-card {
  background-color: var(--color-card-bg);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(74, 67, 61, 0.03);
}

@media (hover: hover) {
  .site-card:hover { 
    transform: translateY(-12px); 
    box-shadow: var(--card-hover-shadow); 
  }
  .site-card:hover .card-link { 
    background-color: var(--color-primary-dark); 
    transform: translateX(4px);
  }
}

.site-card:active { transform: scale(0.98); }

.card-image-wrap {
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #FFF0E6 0%, #F0F7F4 100%);
  position: relative;
}

/* Empty state placeholder for missing images */
.card-image-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(255, 138, 113, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 80% 70%, rgba(149, 184, 162, 0.15) 0%, transparent 50%);
  z-index: 1;
}

.card-image-wrap::after {
  content: 'ANN STUDIO';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-weight: 800;
  font-size: 1.75rem;
  color: rgba(74, 67, 61, 0.08);
  letter-spacing: 0.15em;
  z-index: 1;
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  display: block;
  position: relative;
  z-index: 2;
}

.site-card:hover .card-image { transform: scale(1.05); }

.card-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}

.card-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.tag {
  font-size: 0.8125rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-dark);
  background-color: rgba(255, 138, 113, 0.12);
  padding: 0.35rem 0.875rem;
  border-radius: 50px;
  letter-spacing: -0.01em;
}

.card-title {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-top: var(--space-xs);
}

.card-desc {
  font-size: var(--font-size-small);
  color: var(--color-text-light);
  line-height: 1.6;
  flex: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-small);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  transition: all var(--transition-fast);
  margin-top: var(--space-sm);
  align-self: flex-start;
  min-height: 48px;
  box-shadow: 0 4px 12px rgba(255, 138, 113, 0.25);
}

/* =============================================
   Service Regions
   ============================================= */
.service-regions {
  padding: var(--space-2xl) 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, #FFF5F0 100%);
  position: relative;
}

.region-groups {
  max-width: 860px;
  margin: var(--space-xl) auto 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.region-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  background: var(--color-card-bg);
  padding: var(--space-md);
  border-radius: 24px;
  box-shadow: 0 8px 24px rgba(74, 67, 61, 0.03);
  border: 1px solid rgba(74, 67, 61, 0.02);
}

.region-group-label {
  font-size: 1rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary-dark);
  white-space: nowrap;
  padding-top: 0.5rem;
  min-width: 64px;
  text-align: center;
}

.region-group-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.region-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 1.125rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 138, 113, 0.2);
  background: var(--color-card-bg);
  color: var(--color-text);
  font-size: 0.9375rem;
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(255, 138, 113, 0.04);
}

.region-tag:hover {
  border-color: var(--color-primary);
  background: rgba(255, 138, 113, 0.05);
  transform: translateY(-2px);
}

.region-tag-hash { 
  color: var(--color-primary); 
  margin-right: 4px; 
  font-weight: var(--font-weight-bold);
}

@media (max-width: 640px) {
  .region-group { flex-direction: column; gap: var(--space-sm); padding: var(--space-sm); }
  .region-group-label { padding-top: 0; text-align: left; }
}

/* =============================================
   Trust Section
   ============================================= */
.trust-section {
  padding-block: var(--space-2xl);
  background-color: #FFF5F0;
  position: relative;
}

.trust-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background: linear-gradient(to bottom, transparent, var(--color-bg));
}

.trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .trust-grid { grid-template-columns: repeat(3, 1fr); }
}

.trust-card {
  background-color: var(--color-card-bg);
  border-radius: 32px;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: 0 12px 32px rgba(74, 67, 61, 0.04);
  border: 1px solid rgba(74, 67, 61, 0.03);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.trust-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 24px 48px rgba(74, 67, 61, 0.08);
}

.trust-icon { 
  font-size: 2.5rem; 
  margin-bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: #FFF0E6;
  border-radius: 24px;
  transform: rotate(-5deg);
  transition: transform var(--transition-normal);
}

.trust-card:hover .trust-icon {
  transform: rotate(5deg) scale(1.1);
}

.trust-title { 
  font-size: 1.25rem; 
  font-weight: var(--font-weight-extrabold); 
  color: var(--color-text); 
  margin-bottom: 0.75rem; 
  letter-spacing: -0.02em;
}

.trust-desc { 
  font-size: var(--font-size-small); 
  color: var(--color-text-light); 
  line-height: 1.7; 
}

/* =============================================
   FAQ Section
   ============================================= */
.faq-section { 
  padding: var(--space-3xl) 0; 
  background: var(--color-bg); 
}

.faq-list { 
  max-width: 860px; 
  margin: 0 auto; 
  display: flex; 
  flex-direction: column; 
  gap: 1rem; 
}

.faq-item {
  background: var(--color-card-bg);
  border-radius: 24px;
  box-shadow: 0 4px 16px rgba(74, 67, 61, 0.03);
  border: 1px solid rgba(74, 67, 61, 0.04);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item[open] { 
  box-shadow: 0 12px 32px rgba(74, 67, 61, 0.08); 
  border-color: rgba(255, 138, 113, 0.3);
}

.faq-question {
  padding: 1.5rem 2rem;
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  transition: color var(--transition-fast);
  letter-spacing: -0.01em;
}

.faq-question::-webkit-details-marker { display: none; }
.faq-question::marker { display: none; }

.faq-question::after {
  content: '+';
  font-size: 1.75rem;
  font-weight: var(--font-weight-regular);
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform var(--transition-normal);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 138, 113, 0.1);
  border-radius: 50%;
}

.faq-item[open] .faq-question::after { 
  transform: rotate(45deg); 
  background: var(--color-primary);
  color: #FFF;
}

.faq-question:hover { color: var(--color-primary-dark); }

.faq-answer { 
  padding: 0 2rem 1.5rem; 
}

.faq-answer p { 
  color: var(--color-text-light); 
  line-height: 1.7; 
  margin: 0; 
  padding-top: 1rem;
  border-top: 1px dashed rgba(74, 67, 61, 0.1);
}

@media (max-width: 640px) {
  .faq-question { padding: 1.25rem 1.5rem; font-size: 1rem; }
  .faq-answer { padding: 0 1.5rem 1.25rem; }
}

/* =============================================
   Contact Section
   ============================================= */
.contact-section { padding-block: var(--space-2xl); background: var(--color-bg); }

.contact-inner {
  background: linear-gradient(135deg, var(--color-primary) 0%, #FF9E88 100%);
  border-radius: 40px;
  padding: 5rem 2rem;
  text-align: center;
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(255, 138, 113, 0.25);
}

.contact-inner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.contact-inner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.contact-title { 
  font-size: clamp(1.5rem, 4vw, 2.25rem); 
  font-weight: var(--font-weight-extrabold); 
  letter-spacing: -0.03em; 
  margin-bottom: 1rem; 
  position: relative;
  z-index: 1;
}

.contact-desc { 
  font-size: clamp(1rem, 2vw, 1.125rem); 
  opacity: 0.9; 
  margin-bottom: 2.5rem; 
  position: relative;
  z-index: 1;
}

.contact-actions { 
  display: flex; 
  flex-wrap: wrap; 
  gap: 1rem; 
  justify-content: center; 
  position: relative;
  z-index: 1;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: var(--font-weight-bold);
  font-size: 1.0625rem;
  transition: all var(--transition-fast);
  min-height: 56px;
}

.contact-btn--primary { 
  background-color: #FFFFFF; 
  color: var(--color-primary-dark); 
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.contact-btn--secondary { 
  background-color: rgba(255, 255, 255, 0.15); 
  color: #FFFFFF; 
  border: 2px solid rgba(255, 255, 255, 0.3); 
  backdrop-filter: blur(4px);
}

.contact-btn:hover { 
  transform: translateY(-4px); 
}

.contact-btn--primary:hover {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.contact-btn--secondary:hover {
  background-color: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
}

/* =============================================
   Footer
   ============================================= */
.site-footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: var(--space-2xl) 0 var(--space-lg);
  border-top-left-radius: 40px;
  border-top-right-radius: 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(253, 251, 247, 0.1);
}

.footer-brand-section { flex: 1; }

.footer-brand { 
  font-size: 1.5rem; 
  font-weight: var(--font-weight-extrabold); 
  margin-bottom: 0.75rem; 
  letter-spacing: 0.05em;
}

.footer-desc { 
  font-size: var(--font-size-small); 
  opacity: 0.6; 
  line-height: 1.6;
  max-width: 320px;
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-link-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-link-title {
  font-size: 0.875rem;
  font-weight: var(--font-weight-bold);
  opacity: 0.9;
  margin-bottom: 0.25rem;
}

.footer-link-group a {
  font-size: 0.8125rem;
  color: var(--color-footer-text);
  opacity: 0.5;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.footer-link-group a:hover { opacity: 1; }

.footer-locations {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(253, 251, 247, 0.1);
}

.footer-location {
  font-size: 0.8125rem;
  opacity: 0.5;
  line-height: 1.5;
}

.footer-location strong {
  font-weight: var(--font-weight-bold);
  opacity: 1;
  color: var(--color-primary);
  margin-right: 0.25rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
}

.footer-copy { 
  font-size: 0.8125rem; 
  opacity: 0.35; 
}

.footer-contact-links {
  display: flex;
  gap: var(--space-sm);
}

.footer-contact-links a {
  font-size: 0.8125rem;
  color: var(--color-footer-text);
  opacity: 0.5;
  text-decoration: none;
  padding: 0.375rem 1rem;
  border: 1px solid rgba(253, 251, 247, 0.2);
  border-radius: 50px;
  transition: all var(--transition-fast);
}

.footer-contact-links a:hover {
  opacity: 1;
  border-color: var(--color-primary);
  background: rgba(255, 138, 113, 0.15);
}

@media (max-width: 768px) {
  .footer-top { flex-direction: column; gap: var(--space-lg); }
  .footer-links { gap: var(--space-xl); }
  .footer-locations { flex-direction: column; gap: var(--space-sm); }
  .footer-bottom { flex-direction: column; gap: var(--space-sm); text-align: center; }
}

/* =============================================
   Animations
   ============================================= */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--animation-duration) var(--animation-easing), transform var(--animation-duration) var(--animation-easing);
}

.animate-on-scroll.is-visible { opacity: 1; transform: translateY(0); }