/* Luxury Metal Portfolio - Clean Implementation */
:root {
  --bg-dark: #0b0d10;
  --bg-light: #f5f6f8;
  --accent: #ffffff;
  --accent-hover: #f0f0f0;
  --metal-angle: 8deg;
  --metal-band-alpha: 0.03;
  --metal-band-width: 1px;
  --metal-band-spacing: 4px;
  --noise-opacity: 0.015;
  --sheen-opacity: 0.12;

  /* Luxury Typography Colors */
  --text-primary: #f5f5f5;
  --text-secondary: #a8a9ad;
  --text-muted: #7f7f7f;
  --text-accent: #b5b5b5;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;
  --text-8xl: 6rem;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --transition-fast: 160ms ease-out;
  --transition-normal: 240ms ease-out;
  --transition-slow: 450ms ease-in-out;
  --transition-panel: 550ms ease-in-out;
}

/* Reset and Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: "Inter", sans-serif;
  font-weight: 400;
  line-height: 1.6;
  color: var(--bg-light);
  background: var(--bg-dark);
}

/* Home Button */
.home-button {
  position: fixed;
  top: var(--space-8);
  left: var(--space-8);
  z-index: 2000;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: var(--space-4);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.home-button:hover {
  border-color: var(--accent);
  transform: scale(1.05);
}

.home-button svg {
  width: 24px;
  height: 24px;
  fill: #fff;
  transition: fill var(--transition-fast);
}

.home-button:hover svg {
  fill: var(--accent);
}

.home-button a {
  display: block;
  text-decoration: none;
  color: inherit;
}

/* Navigation Progress */
.nav-progress {
  position: fixed;
  top: calc(var(--space-8) + var(--space-4));
  right: var(--space-8);
  z-index: 1000;
}

.progress-dots {
  display: flex;
  flex-direction: row;
  gap: var(--space-3);
}

.progress-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.3);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.progress-dot:hover,
.progress-dot.active {
  border-color: var(--accent);
  background: var(--accent);
  transform: scale(1.2);
}

/* Panel Container */
.panel-container {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

/* Panel Base Styles */
.panel {
  position: absolute;
  inset: 0;
  width: 100vw;
  height: 100vh;
  opacity: 0;
  visibility: hidden;
  transform: translate3d(100%, 0, 0);
  transition: transform var(--transition-panel), opacity var(--transition-panel);
  will-change: transform, opacity;
  backface-visibility: hidden;
  pointer-events: none;
  z-index: 1;
}

.panel.active {
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0);
  pointer-events: auto;
  z-index: 10;
}

.panel-content {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-16);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  position: relative;
  z-index: 2;
}

/* Panel 1: Hero */
.hero-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(0, 0, 0, 0.02)),
    repeating-linear-gradient(
      var(--metal-angle),
      rgba(255, 255, 255, var(--metal-band-alpha)) 0 var(--metal-band-width),
      transparent var(--metal-band-width) var(--metal-band-spacing)
    ),
    var(--bg-dark);
  color: var(--bg-light);
}

.hero-panel .panel-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr auto;
  height: 100%;
  align-items: center;
}

.hero-left {
  grid-column: 1;
  grid-row: 1;
}

.hero-heading {
  font-family: "Playfair Display", serif;
  font-weight: 900;
  font-size: clamp(3rem, 8vw, var(--text-8xl));
  line-height: 0.9;
  background: linear-gradient(135deg, var(--text-primary), var(--text-accent), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-8);
  text-shadow: none;
}

.hero-tagline {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.125rem, 2.5vw, var(--text-xl));
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  opacity: 0.95;
  margin-bottom: var(--space-6);
}

.hero-description {
  font-family: "Inter", sans-serif;
  font-weight: 300;
  font-size: clamp(0.875rem, 1.8vw, var(--text-base));
  color: var(--text-secondary);
  line-height: 1.6;
  opacity: 0.8;
  max-width: 500px;
  margin-top: var(--space-4);
}

.hero-right {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.metallic-sheen {
  width: 300px;
  height: 300px;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    rgba(255, 255, 255, var(--sheen-opacity)) 45deg,
    transparent 90deg,
    rgba(255, 255, 255, var(--sheen-opacity)) 135deg,
    transparent 180deg,
    rgba(255, 255, 255, var(--sheen-opacity)) 225deg,
    transparent 270deg,
    rgba(255, 255, 255, var(--sheen-opacity)) 315deg,
    transparent 360deg
  );
  border-radius: 50%;
  animation: sheenRotate 20s linear infinite;
  filter: blur(1px);
}

@keyframes sheenRotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.hero-cta {
  grid-column: 1 / -1;
  grid-row: 2;
  text-align: center;
  padding-bottom: var(--space-16);
}

/* Panel 2: Works */
.works-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(0, 0, 0, 0.02)),
    repeating-linear-gradient(
      var(--metal-angle),
      rgba(255, 255, 255, var(--metal-band-alpha)) 0 var(--metal-band-width),
      transparent var(--metal-band-width) var(--metal-band-spacing)
    ),
    var(--bg-dark);
  color: var(--bg-light);
  padding-top: var(--space-24);
}

.works-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 1fr;
  gap: var(--space-8);
  max-width: 1200px;
  margin: 0 auto;
  height: 70vh;
  margin-top: var(--space-8);
  min-height: 500px;
  align-items: center;
  justify-content: center;
  justify-items: center;
}

/* 데스크탑에서 두 번째 워크패널용 (1개 작업물 가운데 정렬) */
.works-container.mobile-second {
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
  height: 70vh;
  gap: var(--space-8);
  margin-top: var(--space-8);
  max-width: 1200px;
  padding-bottom: var(--space-8);
  justify-items: center;
  align-items: center;
  text-align: center;
}

.work-frame {
  position: relative;
  cursor: pointer;
  transition: transform var(--transition-normal);
  height: 200px;
  min-height: 200px;
  display: inline-block;
  max-width: 350px;
  width: 100%;
  margin: 0 auto;
}

.work-frame:hover {
  transform: scale(1.03);
  z-index: 5;
}

.frame-border {
  width: 100%;
  height: 100%;
  border: 2px solid transparent;
  background: conic-gradient(
    from 0deg,
    #ffffff 0deg,
    #b6bcc4 40deg,
    #7a828b 90deg,
    #2a2f35 140deg,
    #7a828b 220deg,
    #e8edf2 300deg,
    #ffffff 360deg
  );
  border-radius: 12px;
  padding: 3px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  display: inline-block;
  max-width: 100%;
  margin: 0 auto;
}

.frame-border::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bg-dark);
  border-radius: 6px;
  z-index: 1;
}

.work-image-container {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 2;
  overflow: hidden;
  border-radius: 4px;
}

.work-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--transition-slow);
  filter: brightness(0.9);
}

.work-frame:hover .work-image {
  opacity: 1;
}

.metallic-sweep {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left var(--transition-slow);
  z-index: 3;
}

.work-frame:hover .metallic-sweep {
  left: 100%;
  transition-delay: 0.3s;
}

.work-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
  color: var(--bg-light);
  padding: var(--space-8);
  transform: translateY(0);
  transition: transform var(--transition-normal);
  z-index: 4;
}

.work-overlay h3 {
  font-family: "Playfair Display", serif;
  font-size: clamp(1.25rem, 3vw, var(--text-2xl));
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.work-overlay p {
  font-family: "Inter", sans-serif;
  font-size: clamp(0.875rem, 2vw, var(--text-base));
  color: var(--text-secondary);
  font-weight: 300;
  letter-spacing: 0.03em;
}

.works-cta {
  text-align: center;
  margin-top: var(--space-12);
  margin-bottom: var(--space-8);
}

/* Panel 3: Contact */
.contact-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(0, 0, 0, 0.02)),
    repeating-linear-gradient(
      var(--metal-angle),
      rgba(255, 255, 255, var(--metal-band-alpha)) 0 var(--metal-band-width),
      transparent var(--metal-band-width) var(--metal-band-spacing)
    ),
    var(--bg-dark);
  color: var(--bg-light);
}

.contact-container {
  text-align: center;
  margin-bottom: var(--space-16);
}

.contact-container h2 {
  margin-bottom: 1.5rem;
}

.contact-container .contact-email {
  margin-bottom: 2rem;
}

.contact-container .pricing-info p {
  margin: 1.5rem 0;
  line-height: 1.6;
}

.contact-container .price {
  margin: 2.5rem 0;
  font-size: 1.5rem;
  font-weight: bold;
}

.contact-heading {
  font-family: "Playfair Display", serif;
  font-size: clamp(2.5rem, 6vw, var(--text-7xl));
  font-weight: 900;
  margin-bottom: var(--space-8);
  background: linear-gradient(135deg, var(--text-primary), var(--text-accent), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  text-shadow: none;
}

.contact-subhead {
  font-family: "Inter", sans-serif;
  font-size: clamp(1.125rem, 2.5vw, var(--text-xl));
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: var(--space-8);
  letter-spacing: 0.05em;
  line-height: 1.4;
}

.contact-email {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.pricing-info {
  text-align: center;
  margin-bottom: var(--space-12);
}

.pricing-text {
  font-family: "Inter", sans-serif;
  font-size: clamp(1rem, 2.5vw, var(--text-lg));
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: var(--space-2);
  letter-spacing: 0.05em;
}

.price {
  font-family: "Playfair Display", serif;
  font-size: clamp(1.5rem, 3.5vw, var(--text-3xl));
  color: var(--text-secondary);
  font-weight: 700;
  margin-bottom: var(--space-6);
  letter-spacing: 0.02em;
}

.pricing-details {
  font-family: "Inter", sans-serif;
  font-size: clamp(0.875rem, 2vw, var(--text-base));
  color: var(--text-muted);
  font-weight: 300;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-4);
  word-break: keep-all;
  white-space: nowrap;
}

.contact-details {
  font-family: "Inter", sans-serif;
  font-size: clamp(0.75rem, 1.8vw, var(--text-sm));
  color: var(--text-accent);
  font-weight: 400;
  letter-spacing: 0.05em;
  margin-top: var(--space-8);
  font-style: italic;
}

.email-text {
  font-family: "Inter", sans-serif;
  font-size: clamp(1.125rem, 2.5vw, var(--text-xl));
  color: var(--text-primary);
  font-weight: 300;
  letter-spacing: 0.05em;
}

.copy-button {
  background: transparent;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.copy-button:hover {
  color: var(--accent-hover);
  transform: scale(1.1);
}

.copy-button.copied {
  color: #10b981;
}

.contact-cta {
  text-align: center;
}

/* CTA Button */
.cta-button {
  position: relative;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid transparent;
  padding: var(--space-4) var(--space-8);
  font-size: clamp(1rem, 2vw, var(--text-lg));
  font-weight: 300;
  cursor: pointer;
  transition: all var(--transition-normal);
  border-radius: 8px;
  overflow: hidden;
  font-family: "Inter", sans-serif;
  letter-spacing: 0.05em;
}

.cta-button:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.cta-text {
  margin-right: var(--space-2);
}

.cta-arrow {
  transition: transform var(--transition-fast);
}

.cta-button:hover .cta-arrow {
  transform: translateX(4px);
}

/* Project Overlay */
.project-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(11, 13, 16, 0.95);
  backdrop-filter: blur(20px);
  z-index: 3000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-overlay.active {
  opacity: 1;
  visibility: visible;
}

.overlay-content {
  background: var(--bg-dark);
  color: var(--bg-light);
  padding: var(--space-16);
  border-radius: 12px;
  max-width: 600px;
  width: 95%;
  text-align: center;
  position: relative;
}

.overlay-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: transparent;
  border: none;
  color: #666;
  font-size: 24px;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: 4px;
  transition: color var(--transition-fast);
}

.overlay-close:hover {
  color: #333;
}

.overlay-image {
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
  background-size: cover;
  background-position: center;
  border-radius: 8px;
  margin-bottom: var(--space-8);
}

.overlay-info h3 {
  font-family: "Playfair Display", serif;
  font-size: clamp(1.75rem, 4vw, var(--text-3xl));
  margin-bottom: var(--space-2);
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: 0.02em;
  display: none;
}

.overlay-info p {
  font-family: "Inter", sans-serif;
  font-size: clamp(1rem, 2.5vw, var(--text-lg));
  color: var(--text-secondary);
  font-weight: 300;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-8);
  display: none;
}

.overlay-link {
  display: inline-block;
  padding: var(--space-4) var(--space-8);
  text-decoration: none;
  color: var(--text-primary);
  font-family: "Inter", sans-serif;
  font-weight: 300;
  letter-spacing: 0.05em;
  transition: all var(--transition-normal);
}

.overlay-link:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .panel-content {
    padding: 0 var(--space-8);
  }

  .hero-panel .panel-content {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    text-align: center;
    gap: var(--space-2);
    padding-top: var(--space-12);
  }

  .hero-right {
    grid-column: 1;
    grid-row: 2;
  }

  .hero-cta {
    grid-column: 1;
    grid-row: 3;
    padding-bottom: var(--space-8);
  }

  .works-container {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(3, 1fr);
    height: auto;
    gap: var(--space-6);
    margin-top: var(--space-4);
    max-width: 90%;
    margin: 0 auto;
    padding-bottom: var(--space-8);
    justify-content: center;
  }

  /* 모바일에서 삼각형 배치 무효화하고 세로 배치로 */
  .works-container .work-frame:nth-child(1),
  .works-container .work-frame:nth-child(2),
  .works-container .work-frame:nth-child(3) {
    grid-column: 1;
    grid-row: auto;
  }

  /* 모바일에서 두 번째 워크패널용 (1개 작업물) */
  .works-container.mobile-second {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
    height: auto;
    gap: var(--space-6);
    margin-top: var(--space-4);
    max-width: 90%;
    margin: 0 auto;
    padding-bottom: var(--space-8);
    justify-content: center;
    align-items: center;
    text-align: center;
  }

  .work-frame {
    height: 180px;
    min-height: 180px;
    display: inline-block;
    max-width: 300px;
    width: 100%;
    margin: 0 auto;
  }

  .frame-border {
    max-width: 300px;
  }

  .contact-email {
    flex-direction: column;
    gap: var(--space-4);
  }

  .nav-progress {
    top: calc(var(--space-4) + var(--space-4));
    right: var(--space-4);
  }

  .home-button {
    top: var(--space-4);
    left: var(--space-4);
    z-index: 100;
  }

  .works-panel {
    padding-top: var(--space-20);
    padding-bottom: var(--space-8);
  }

  .hero-heading {
    font-size: var(--text-6xl);
  }

  .contact-heading {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-6);
  }

  .overlay-content {
    width: 98%;
    padding: var(--space-8);
    max-width: 500px;
  }

  .overlay-image {
    aspect-ratio: 16/10;
  }
}

@media (max-width: 480px) {
  .panel-content {
    padding: 0 var(--space-4);
  }

  .hero-heading {
    font-size: var(--text-5xl);
  }

  .contact-heading {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
  }

  .pricing-details {
    font-size: clamp(0.75rem, 1.5vw, var(--text-sm));
  }

  .works-container {
    gap: var(--space-4);
    margin-top: var(--space-2);
    max-width: 95%;
    margin: 0 auto;
    padding-bottom: var(--space-12);
    justify-content: center;
    text-align: center;
  }

  .work-frame {
    height: 160px;
    min-height: 160px;
    display: inline-block;
    max-width: 280px;
    width: 100%;
    margin: 0 auto;
  }

  .frame-border {
    max-width: 280px;
  }

  .works-panel {
    padding-top: var(--space-20);
    padding-bottom: var(--space-12);
  }

  .hero-panel .panel-content {
    gap: 0;
  }

  .hero-cta {
    padding-bottom: var(--space-6);
  }

  .overlay-content {
    width: 100%;
    padding: var(--space-6);
    max-width: 400px;
  }

  .overlay-image {
    aspect-ratio: 4/3;
  }
}

/* Focus States for Accessibility */
.cta-button:focus,
.progress-dot:focus,
.copy-button:focus,
.overlay-close:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .panel {
    transition: none;
  }

  .metallic-sheen {
    animation: sheenRotate 60s linear infinite;
  }
}

/* Mobile Animation Fix */
@media (max-width: 768px) {
  .metallic-sheen {
    width: 250px;
    height: 250px;
    animation: sheenRotate 20s linear infinite;
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
  }
}

@media (max-width: 480px) {
  .metallic-sheen {
    width: 200px;
    height: 200px;
    animation: sheenRotate 20s linear infinite;
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
  }
}