/* CHIRO - Combined Styles for Vercel Deployment */

/* Font Imports from HTML <link> tag */

/* Colors */
:root {
  /* Background Colors */
  --primary-bg: #0A0A0A;
  --secondary-bg: #111111;
  --card-bg: #1A1A1A;
  
  /* Navigation */
  --nav-height: 80px;
  
  /* Text Colors */
  --primary-text: #FFFFFF;
  --secondary-text: #A0A0A0;
  --disabled-text: #666666;
  
  /* Accent Colors */
  --accent-red: #FF3B30;
  --accent-blue: #007AFF;
  --success: #34C759;
  --warning: #FF9500;
  
  /* Border Colors */
  --primary-border: #2A2A2A;
  --secondary-border: #1F1F1F;
  --hover-border: #3A3A3A;
  
  /* Typography */
  --font-en-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-korean: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  --font-title: "Black Han Sans", sans-serif;
  
  /* Font Sizes */
  --font-display-large: 4.5rem;  /* 72px */
  --font-display: 3.5rem;        /* 56px */
  --font-h1: 3rem;               /* 48px */
  --font-h2: 2.25rem;            /* 36px */
  --font-h3: 1.75rem;            /* 28px */
  --font-h4: 1.5rem;             /* 24px */
  --font-body-large: 1.25rem;    /* 20px */
  --font-body: 1rem;             /* 16px */
  --font-caption: 0.875rem;      /* 14px */
  --font-micro: 0.75rem;         /* 12px */
  
  /* Font Weights */
  --font-thin: 100;
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-black: 900;
  
  /* Spacing */
  --space-section: 160px;
  --space-component: 80px;
  --space-element: 40px;
  --space-text: 24px;
  --space-min: 8px;
  
  /* Animation */
  --duration-instant: 100ms;
  --duration-fast: 200ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --duration-very-slow: 1000ms;
  
  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Layout */
  --container-max-width: 1440px;
  --container-padding: 5%;
  --grid-gap: 24px;
  --border-radius: 8px;
  --line-height-tight: 1.2;
  --line-height-normal: 1.6;
  --line-height-loose: 1.8;
}

/* Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

/* Enable smooth scrolling only on non-touch devices */
@media (hover: hover) and (pointer: fine) {
  html {
    scroll-behavior: auto;
  }
}

body {
  font-family: var(--font-korean);
  background-color: var(--primary-bg);
  color: var(--primary-text);
  line-height: var(--line-height-normal);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6, .title-font {
  font-family: var(--font-title);
  font-weight: 400; /* Black Han Sans only supports regular weight */
  font-style: normal;
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-text);
  text-transform: uppercase;
  letter-spacing: 1px;
}

h1 { font-size: var(--font-h1); }
h2 { font-size: var(--font-h2); }
h3 { font-size: var(--font-h3); }
h4 { font-size: var(--font-h4); }

p {
  font-family: var(--font-korean);
  margin-bottom: var(--space-text);
  color: var(--secondary-text);
}

a {
  color: var(--primary-text);
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-default);
}

a:hover {
  color: var(--accent-red);
}

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

section {
  padding: var(--space-section) 0;
}

/* Navigation */
.main-navigation {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  transition: all var(--duration-normal) var(--ease-default);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px var(--container-padding);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.nav-logo-text {
  font-family: var(--font-title);
  font-size: var(--font-h4);
  color: var(--primary-text);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 40px;
}

.nav-link {
  font-family: var(--font-en-primary);
  font-size: var(--font-body);
  color: var(--secondary-text);
  text-decoration: none;
  padding: 8px 0;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-text);
  text-shadow: 0 0 12px rgba(255, 255, 255, 0.2);
}

/* Enhanced Underline Animation */
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-red), transparent);
  background-size: 200% 100%;
  background-position: 100% 0;
  transform: translateX(-50%);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 1px;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
  background-position: 0% 0;
  background: var(--accent-red);
  box-shadow: 0 0 8px rgba(255, 59, 48, 0.4);
}

.nav-contact-btn {
  background: var(--accent-red);
  color: var(--primary-text);
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-size: var(--font-caption);
  font-weight: var(--font-medium);
  transition: all var(--duration-normal) var(--ease-default);
}

.nav-contact-btn:hover {
  background: var(--accent-red);
  filter: brightness(1.1);
  transform: translateY(-1px);
}

/* ===== MOBILE NAVIGATION STYLES ===== */

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  position: relative;
  z-index: 1001;
}

.nav-toggle-line {
  width: 24px;
  height: 2px;
  background: var(--primary-text);
  margin: 3px 0;
  transition: all 0.3s var(--ease-default);
  transform-origin: center;
}

.nav-toggle.active .nav-toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .nav-toggle-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu */
.nav-mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  transform: translateY(-100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
  visibility: hidden;
  pointer-events: none;
}

.nav-mobile-menu.active {
  transform: translateY(0);
  visibility: visible;
  pointer-events: auto;
}

.nav-mobile-link {
  font-family: "Black Han Sans", sans-serif;
  font-size: 36px;
  font-weight: 400;
  color: var(--secondary-text);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: all 0.3s var(--ease-default);
  opacity: 0;
  transform: translateY(30px);
}

.nav-mobile-menu.active .nav-mobile-link {
  opacity: 1;
  transform: translateY(0);
}

.nav-mobile-link:nth-child(1) { transition-delay: 0.1s; }
.nav-mobile-link:nth-child(2) { transition-delay: 0.2s; }
.nav-mobile-link:nth-child(3) { transition-delay: 0.3s; }
.nav-mobile-link:nth-child(4) { transition-delay: 0.4s; }
.nav-mobile-link:nth-child(5) { transition-delay: 0.5s; }

.nav-mobile-link:hover,
.nav-mobile-link.active {
  color: var(--accent-red);
  transform: scale(1.05);
}

/* Navigation Indicator */
.nav-indicator {
  position: fixed;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.nav-indicator-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s var(--ease-default);
  position: relative;
}

.nav-indicator-dot.active {
  background: var(--accent-red);
  transform: scale(1.2);
}

.nav-indicator-dot:hover {
  background: rgba(255, 255, 255, 0.6);
}

/* Tooltip for indicator */
.nav-indicator-dot::before {
  content: attr(data-section);
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.9);
  color: var(--primary-text);
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-default);
}

.nav-indicator-dot:hover::before {
  opacity: 1;
}

/* Mobile Navigation Responsive */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-indicator {
    display: none;
  }
  
  .nav-mobile-link {
    font-size: 28px;
  }
}

/* Portfolio Section */
.portfolio-section {
  position: relative;
  background: var(--secondary-bg);
  z-index: 1;
  padding: var(--space-section) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-component);
}

.section-title {
  font-size: var(--font-h2);
  margin-bottom: var(--space-text);
}

.section-subtitle {
  font-size: var(--font-body-large);
  color: var(--secondary-text);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 40px;
  margin-bottom: var(--space-component);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.portfolio-item {
  position: relative;
  aspect-ratio: 4/3;
  min-height: 300px;
  overflow: hidden;
  border-radius: 12px;
  background: var(--card-bg);
  opacity: 1;
  transform: translateY(0);
  transition: all var(--duration-slow) var(--ease-default);
}

.portfolio-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-image {
  position: relative;
  width: 100%;
  height: 100%;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-default);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 10, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-default);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.05);
}

.portfolio-info {
  text-align: center;
}

.project-title {
  font-size: var(--font-h4);
  color: var(--primary-text);
  margin-bottom: var(--space-min);
}

.project-category {
  font-size: var(--font-caption);
  color: var(--secondary-text);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Services Section */
.services-section {
  background: var(--primary-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-element);
}

.service-card {
  background: var(--card-bg);
  padding: var(--space-element);
  border-radius: var(--border-radius);
  text-align: center;
  transition: transform var(--duration-normal) var(--ease-default);
}

.service-card:hover {
  transform: translateY(-8px);
}

.service-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-text) auto;
  background: var(--accent-red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Contact Section */
.contact-section {
  position: relative;
  background: var(--secondary-bg);
  padding: 80px 0;
  min-height: 60vh;
  z-index: 1;
}

.contact-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  margin-top: 40px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.contact-cta {
  text-align: center;
  order: -1;
}

.cta-title {
  font-size: var(--font-h2);
  margin-bottom: var(--space-text);
}

.cta-button {
  background: var(--accent-red);
  color: var(--primary-text);
  padding: 20px 40px;
  border: none;
  border-radius: var(--border-radius);
  font-size: var(--font-body-large);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-default);
}

.cta-button:hover {
  background: var(--accent-red);
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-text);
  width: 100%;
}

.contact-item {
  background: var(--card-bg);
  padding: var(--space-element);
  border-radius: var(--border-radius);
  text-align: center;
}

/* Footer */
.site-footer {
  margin-top: var(--space-section);
  padding-top: var(--space-component);
  border-top: 1px solid var(--secondary-border);
  background-color: var(--secondary-bg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--space-element);
  margin-bottom: var(--space-element);
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-element);
}

.footer-brand h3 {
  font-family: var(--font-en-primary);
  font-size: var(--font-h3);
  font-weight: var(--font-bold);
  color: var(--primary-text);
  margin-bottom: var(--space-text);
  letter-spacing: 2px;
}

.footer-brand p {
  font-family: var(--font-en-primary);
  font-size: var(--font-caption);
  color: var(--secondary-text);
  line-height: var(--line-height-normal);
}

.footer-column h4 {
  font-family: var(--font-en-primary);
  font-size: var(--font-body);
  font-weight: var(--font-semibold);
  color: var(--primary-text);
  margin-bottom: var(--space-text);
}

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

.footer-column li {
  margin-bottom: var(--space-min);
}

.footer-column a {
  font-family: var(--font-en-primary);
  font-size: var(--font-caption);
  color: var(--secondary-text);
  transition: color var(--duration-normal) var(--ease-default);
}

.footer-column a:hover {
  color: var(--primary-text);
}

.footer-bottom {
  border-top: 1px solid var(--secondary-border);
  padding-top: var(--space-text);
  text-align: center;
}

.footer-bottom p {
  font-size: var(--font-caption);
  color: var(--disabled-text);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  :root {
    --font-display-large: 3rem;
    --font-display: 2.5rem;
    --font-h1: 2rem;
    --font-h2: 1.75rem;
    --font-h3: 1.5rem;
    --space-section: 80px;
    --space-component: 40px;
    --space-element: 24px;
  }
  
  .nav-menu {
    display: none;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, 1fr);
    gap: 20px;
    max-width: 400px;
  }
  
  .portfolio-item {
    min-height: 250px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-text);
    text-align: center;
  }
  
  .footer-links {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-text);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-info {
    grid-template-columns: 1fr;
  }
}

/* ===== HERO SECTION ===== */

/* Hero Section Styles */
.hero-section {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: var(--primary-bg);
  /* Ensure the section's bottom equals the visual bottom */
  padding: 0;
}

/* Video Background */
.hero-video-container {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 10, 0.4);
  z-index: 2;
}

/* Hero Content Layout */
.hero-content {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 3;
  display: grid;
  grid-template-rows: 1fr auto 1fr;
  grid-template-columns: 1fr auto 1fr;
  /* Keep near-flush with a tiny breathing room at bottom */
  padding: calc(var(--nav-height) + 8px) 60px 4px 60px;
  gap: 40px;
}

/* Top Left: Main Text */
.hero-top-left {
  grid-row: 1;
  grid-column: 1;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
}

.hero-main-text {
  max-width: 600px;
  will-change: transform;
  transition: transform 0.1s ease-out;
}

.hero-title-line {
  font-family: var(--font-en-primary);
  font-size: var(--font-display);
  font-weight: var(--font-bold);
  line-height: var(--line-height-tight);
  color: var(--primary-text);
  margin-bottom: 8px;
  opacity: 1;
  transform: translateY(0);
}

.hero-subtitle {
  font-family: var(--font-en-primary);
  font-size: var(--font-h3);
  font-weight: var(--font-regular);
  color: var(--secondary-text);
  margin-top: 16px;
  opacity: 1;
  transform: translateY(0);
}

/* Top Right: Project Badge */
.hero-top-right {
  grid-row: 1;
  grid-column: 3;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
}

.hero-badge {
  background: var(--card-bg);
  border: 1px solid var(--primary-border);
  border-radius: 8px;
  padding: 16px 24px;
  text-align: center;
  opacity: 1;
  transform: translateY(0);
  will-change: transform;
  transition: transform 0.1s ease-out;
}

.badge-number {
  display: block;
  font-family: var(--font-en-primary);
  font-size: var(--font-h2);
  font-weight: var(--font-bold);
  color: var(--accent-red);
  line-height: 1;
}

.badge-text {
  display: block;
  font-family: var(--font-en-primary);
  font-size: var(--font-caption);
  font-weight: var(--font-medium);
  color: var(--secondary-text);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Center: Logo and Typing */
.hero-center {
  grid-row: 2;
  grid-column: 1 / -1;
  position: absolute;
  left: 50%;
  top: calc(50% - (var(--nav-height) + 8px) / 2);
  /* Preserve centering while allowing parallax offset via CSS variable */
  transform: translate(-50%, -50%) translate3d(0, var(--parallaxY, 0px), 0);
  text-align: center;
}

.hero-center-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hero-logo {
  margin-bottom: 32px;
}

.logo-text {
  font-family: "Black Han Sans", sans-serif;
  font-size: var(--font-display-large);
  font-weight: 400;
  color: var(--primary-text);
  letter-spacing: 6px;
  opacity: 1;
  transform: scale(1);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.typing-container {
  position: relative;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.typing-text {
  font-family: var(--font-en-primary);
  font-size: var(--font-h2);
  font-weight: var(--font-medium);
  color: var(--secondary-text);
  min-height: 1.2em;
  display: inline-block;
}

.typing-cursor {
  font-family: var(--font-en-primary);
  font-size: var(--font-h2);
  color: var(--accent-red);
  animation: blink 1s infinite;
  margin-left: 2px;
}

/* Bottom Left: Social Links */
.hero-bottom-left {
  grid-row: 3;
  grid-column: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 16px;
  will-change: transform;
  transition: transform 0.1s ease-out;
  /* Nudge up slightly to align bottom text with section end */
  margin-bottom: 6px;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 16px;
  opacity: 1;
  transform: translateY(0);
}

.social-link {
  font-family: var(--font-en-primary);
  font-size: var(--font-caption);
  font-weight: var(--font-medium);
  color: var(--secondary-text);
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-default);
}

.social-link:hover {
  color: var(--primary-text);
}

.social-divider {
  color: var(--disabled-text);
  font-size: var(--font-caption);
}

.copyright {
  opacity: 1;
  transform: translateY(0);
}

.copyright p {
  font-family: var(--font-en-primary);
  font-size: var(--font-micro);
  color: var(--disabled-text);
  /* Avoid extra space pushing content above the section bottom */
  margin-bottom: 0;
}

/* Bottom Right: Contact CTA */
.hero-bottom-right {
  grid-row: 3;
  grid-column: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 32px;
  will-change: transform;
  transition: transform 0.1s ease-out;
  /* Nudge up slightly so icons aren’t clipped */
  margin-bottom: 6px;
}

.scroll-indicator {
  text-align: right;
  opacity: 1;
  transform: translateY(0);
  /* Ensure scroll arrows remain visible above section bottom */
  margin-bottom: 6px;
}

.scroll-text {
  font-family: var(--font-en-primary);
  font-size: var(--font-micro);
  font-weight: var(--font-medium);
  color: var(--secondary-text);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.scroll-subtitle {
  font-family: var(--font-en-primary);
  font-size: var(--font-micro);
  color: var(--disabled-text);
  margin-bottom: 16px;
}

.scroll-arrows {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.scroll-arrow {
  width: 20px;
  height: 1px;
  background: var(--secondary-text);
  position: relative;
}

.scroll-arrow::after {
  content: '';
  position: absolute;
  right: 0;
  top: -3px;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--secondary-text);
  border-bottom: 1px solid var(--secondary-text);
  transform: rotate(45deg);
}

.scroll-arrow:nth-child(2) {
  animation: scrollArrowMove 2s ease-in-out infinite;
}

@keyframes scrollArrowMove {
  0%, 100% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(10px);
    opacity: 0.5;
  }
}

.contact-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-decoration: none;
  opacity: 1;
  transform: translateY(0);
  transition: all var(--duration-normal) var(--ease-default);
}

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

.cta-number {
  font-family: var(--font-en-primary);
  font-size: var(--font-h4);
  font-weight: var(--font-bold);
  color: var(--accent-red);
  line-height: 1;
}

.cta-text {
  font-family: var(--font-en-primary);
  font-size: var(--font-caption);
  font-weight: var(--font-medium);
  color: var(--secondary-text);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
  transition: color var(--duration-normal) var(--ease-default);
}

.contact-cta:hover .cta-text {
  color: var(--primary-text);
}

/* Hero Mobile Responsive */
@media (max-width: 768px) {
  .hero-content {
    padding: 80px 20px 40px 20px;
    grid-template-rows: auto 1fr auto;
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .hero-top-left {
    grid-row: 1;
    grid-column: 1;
    justify-content: center;
    text-align: center;
  }
  
  .hero-top-right {
    display: none; /* Hide 37+ Projects badge on mobile */
  }
  
  .hero-center {
    grid-row: 2;
    grid-column: 1;
  }
  
  .hero-bottom-left {
    grid-row: 3;
    grid-column: 1;
    align-items: center;
    text-align: center;
  }
  
  .hero-bottom-right {
    display: none; /* Hide Contact CTA and Scroll indicator on mobile */
  }
  
  .logo-text {
    font-size: var(--font-display);
    letter-spacing: 4px;
  }
  
  .hero-title-line {
    font-size: var(--font-h1);
  }
  
  .typing-text {
    font-size: var(--font-h3);
  }
  
  .scroll-indicator {
    text-align: center;
  }
  
  .scroll-arrows {
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero-content {
    padding: 100px 16px 32px 16px;
  }
}

/* (Removed aggressive short-viewport adjustments to preserve original hero layout) */

/* ===== BUTTON STYLES ===== */

/* Secondary Button */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-min);
  font-family: var(--font-en-primary);
  font-size: var(--font-body);
  font-weight: var(--font-medium);
  color: var(--primary-text);
  background: transparent;
  border: 1px solid var(--primary-border);
  padding: 16px 32px;
  border-radius: 8px;
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-default);
}

.btn-secondary:hover {
  background: var(--card-bg);
  border-color: var(--hover-border);
  transform: translateY(-2px);
}

.btn-arrow {
  font-size: var(--font-body-large);
  transition: transform var(--duration-normal) var(--ease-default);
}

.btn-secondary:hover .btn-arrow {
  transform: translateX(4px);
}

/* ===== PRICING STYLES ===== */

/* Pricing Section */
.pricing-section {
  background: var(--primary-bg) !important;
  padding: calc(var(--space-section) * 0.6) 0 calc(var(--space-section) * 1.8) 0;
  min-height: 130vh;
  width: 100%;
  position: relative;
  overflow: visible;
  z-index: 1;
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-element);
  margin-top: var(--space-element);
  align-items: stretch;
}

/* Pricing Cards */
.pricing-card {
  background: var(--card-bg);
  border: 1px solid var(--primary-border);
  border-radius: 8px;
  padding: var(--space-text);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-default);
  opacity: 1;
  transform: translateY(0);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 580px;
}

/* Featured Card */
.pricing-card.featured {
  border-color: var(--accent-red);
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 15px 40px rgba(255, 59, 48, 0.1);
}

.pricing-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-red), var(--accent-blue));
}

/* Pricing Badge */
.pricing-badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-red);
  color: var(--primary-text);
  font-family: var(--font-en-primary);
  font-size: var(--font-micro);
  font-weight: var(--font-semibold);
  padding: 6px 16px;
  border-radius: 0 0 8px 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Card Hover Effects */
.pricing-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: var(--hover-border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.pricing-card.featured:hover {
  transform: translateY(-15px) scale(1.04);
  box-shadow: 0 25px 50px rgba(255, 59, 48, 0.2);
}

/* Pricing Header */
.pricing-header {
  padding-top: 2px;
  padding-bottom: var(--space-element);
  border-bottom: 1px solid var(--secondary-border);
  margin-bottom: var(--space-element);
}

.pricing-card.featured .pricing-header {
  margin-top: 10px;
}

.pricing-title {
  font-family: var(--font-en-primary);
  font-size: var(--font-h3);
  font-weight: var(--font-semibold);
  color: var(--primary-text);
  margin-bottom: var(--space-min);
}

.pricing-subtitle {
  font-family: var(--font-en-primary);
  font-size: var(--font-caption);
  font-weight: var(--font-regular);
  color: var(--secondary-text);
  margin-bottom: var(--space-text);
}

/* Pricing Price */
.pricing-price {
  margin-bottom: var(--space-text);
}

.price-amount {
  display: block;
  font-family: var(--font-en-primary);
  font-size: var(--font-h2);
  font-weight: var(--font-bold);
  color: var(--accent-red);
  line-height: 1;
}

.price-period {
  font-family: var(--font-en-primary);
  font-size: var(--font-caption);
  font-weight: var(--font-regular);
  color: var(--secondary-text);
  margin-top: var(--space-min);
}

/* Pricing Features */
.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-text) 0;
  text-align: left;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.pricing-features li {
  font-family: var(--font-en-primary);
  font-size: var(--font-micro);
  font-weight: var(--font-regular);
  color: var(--secondary-text);
  padding: 6px 0;
  border-bottom: 1px solid var(--secondary-border);
  position: relative;
  padding-left: 20px;
  transition: color var(--duration-normal) var(--ease-default);
  line-height: 1.3;
}

.pricing-features li:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-red);
  font-weight: var(--font-bold);
  font-size: var(--font-caption);
}

.pricing-card:hover .pricing-features li {
  color: var(--primary-text);
}

/* Pricing CTA Buttons */
.pricing-cta {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en-primary);
  font-size: var(--font-body);
  font-weight: var(--font-medium);
  text-decoration: none;
  padding: 16px 32px;
  border-radius: 8px;
  transition: all var(--duration-normal) var(--ease-default);
  border: 1px solid transparent;
  margin-top: auto;
}

/* Hover-only CTA Buttons */
.pricing-cta-hover {
  opacity: 1;
  transform: translateY(0);
  transition: all var(--duration-normal) var(--ease-default);
}

.pricing-card:hover .pricing-cta-hover {
  opacity: 1;
  transform: translateY(0);
}

/* Primary CTA (Featured card) */
.pricing-cta.btn-primary {
  background: var(--accent-red);
  color: var(--primary-text);
  border-color: var(--accent-red);
}

.pricing-cta.btn-primary:hover {
  background: transparent;
  color: var(--accent-red);
  border-color: var(--accent-red);
  transform: translateY(-2px);
}

/* Secondary CTA */
.pricing-cta.btn-secondary {
  background: transparent;
  color: var(--primary-text);
  border-color: var(--primary-border);
}

.pricing-cta.btn-secondary:hover {
  background: var(--accent-red);
  color: var(--primary-text);
  border-color: var(--accent-red);
  transform: translateY(-2px);
}

/* Mobile Responsive for Pricing */
@media (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: var(--space-text);
    margin-top: var(--space-element);
  }
  
  .pricing-card {
    padding: var(--space-element);
    min-height: auto;
  }
  
  .pricing-card.featured {
    transform: translateY(0) scale(1);
    order: -1;
  }
  
  .pricing-card.featured:hover {
    transform: translateY(-4px) scale(1.02);
  }
  
  .pricing-title {
    font-size: var(--font-h4);
  }
  
  .price-amount {
    font-size: var(--font-h3);
  }
  
  .pricing-features {
    flex: none;
  }
  
  .pricing-features li {
    font-size: var(--font-caption);
    padding: var(--space-min) 0;
    position: relative; /* 아이콘 위치 기준점 */
    padding-left: 20px; /* 아이콘이 들어갈 공간 확보 */
  }
}

/* ===== HORIZONTAL SCROLL SECTION ===== */

/* Horizontal Scroll Section */
.horizontal-scroll-section {
  position: relative;
  height: 100vh;
  overflow: hidden;
  background: transparent;
  /* Keep above subsequent sections during pin */
  z-index: 900;
  /* iOS에서 바운스 억제 */
  overscroll-behavior: none;
}

/* ===== iOS 전용 횡스크롤 스타일 ===== */

/* iOS Safari 감지 - iOS에서만 적용되는 스타일 */
@supports (-webkit-touch-callout: none) {
    /* iOS 스크롤 모드일 때만 적용 */
    .horizontal-scroll-section.ios-scroll {
        /* 네이티브 횡스크롤 활성화 */
        overflow-x: scroll !important;
        overflow-y: hidden !important;
        scroll-snap-type: x mandatory !important;
        -webkit-overflow-scrolling: touch !important;
        
        /* 스크롤바 숨기기 */
        scrollbar-width: none !important;
        -ms-overflow-style: none !important;
    }
    
    .horizontal-scroll-section.ios-scroll::-webkit-scrollbar {
        display: none !important;
    }
    
    /* iOS에서 wrapper 스타일 변경 */
    .horizontal-scroll-section.ios-scroll .horizontal-wrapper {
        /* flex 컨테이너로 변경 */
        display: flex !important;
        flex-direction: row !important;
        width: 400vw !important;
        height: 100vh !important;
        
        /* transform 제거 (스크롤로 대체) */
        transform: none !important;
        will-change: auto !important;
    }
    
    /* iOS에서 패널 스타일 */
    .horizontal-scroll-section.ios-scroll .horizontal-panel {
        /* 스냅 포인트 설정 */
        scroll-snap-align: start !important;
        scroll-snap-stop: always !important;
        
        /* 플렉스 아이템 설정 */
        flex: 0 0 100vw !important;
        width: 100vw !important;
        height: 100vh !important;
        
        /* 포지션 고정 */
        position: relative !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    /* iOS에서 비디오 컨테이너 수정 */
    .horizontal-scroll-section.ios-scroll .horizontal-video-container {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        z-index: 1 !important;
        pointer-events: none !important;
    }
    
    /* iOS에서 컨텐츠 위치 조정 */
    .horizontal-scroll-section.ios-scroll .panel-content {
        position: relative !important;
        z-index: 10 !important;
        pointer-events: auto !important;
    }
    
    /* iOS 스크롤 스무딩 */
    .horizontal-scroll-section.ios-scroll {
        scroll-behavior: smooth !important;
    }
    
    /* iOS 터치 인터랙션 개선 */
    .horizontal-scroll-section.ios-scroll {
        /* 터치 딜레이 제거 */
        touch-action: pan-x !important;
        -webkit-tap-highlight-color: transparent !important;
    }
    
    /* iOS에서 패널 전환 효과 */
    .horizontal-scroll-section.ios-scroll .panel-content {
        opacity: 1 !important;
        transform: none !important;
        transition: opacity 0.3s ease !important;
    }
}

/* iOS가 아닌 기기에서는 기존 스타일 유지 */
.horizontal-scroll-section:not(.ios-scroll) {
    /* 기존 스타일 그대로 유지 */
    position: relative;
    height: 100vh;
    overflow: hidden;
    background: transparent;
    z-index: 900;
    overscroll-behavior: contain;
}

/* Progress Indicators 기본 스타일 (모든 기기) */
.progress-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 100;
    padding: 12px 20px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 30px;
    backdrop-filter: blur(10px);
}

.progress-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.progress-dot.active {
    background: var(--accent-red);
    transform: scale(1.3);
    border-color: var(--accent-red);
}

.progress-dot:hover {
    background: rgba(255, 255, 255, 0.6);
    transform: scale(1.2);
}

/* iOS에서 Progress Indicators 위치 고정 */
@supports (-webkit-touch-callout: none) {
    .horizontal-scroll-section.ios-scroll ~ .progress-indicators,
    .horizontal-scroll-section.ios-scroll .progress-indicators {
        position: fixed !important;
        bottom: 40px !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        z-index: 100 !important;
    }
}

/* 모바일 공통 (iOS 포함) */
@media (max-width: 768px) {
    .progress-indicators {
        bottom: 20px !important;
        padding: 8px 16px !important;
    }
    
    .progress-dot {
        width: 8px;
        height: 8px;
    }
}

@supports (-webkit-touch-callout: none) and (max-width: 768px) {
    .horizontal-scroll-section.ios-scroll .panel-main-title {
        font-size: 48px !important;
    }
    
    .horizontal-scroll-section.ios-scroll .panel-subtitle {
        font-size: 20px !important;
    }
    
    .horizontal-scroll-section.ios-scroll .panel-description {
        font-size: 16px !important;
        padding: 0 20px !important;
    }
}

.horizontal-scroll-section.is-pinned {
  z-index: 900 !important;
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100vh !important;
}

.horizontal-scroll-section.is-pinned .horizontal-container {
  z-index: 910 !important;
}

.horizontal-scroll-section.is-pinned .panel-content {
  z-index: 920 !important;
}

/* Background Video */
.horizontal-video-container {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 5;
  pointer-events: none;
}

.horizontal-video {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover;
  object-position: center;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  opacity: 1 !important;
  display: block !important;
}

.horizontal-video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 10, 0.3);
  z-index: 2;
  pointer-events: none;
  mix-blend-mode: multiply;
}

/* When pinned, lift video/overlay to viewport-fixed to avoid repaint glitches */
.horizontal-scroll-section.is-pinned .horizontal-video-container {
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 901 !important;
}

.horizontal-scroll-section.is-pinned .horizontal-video-overlay {
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 902 !important;
}

/* Horizontal Container */
.horizontal-container {
  position: relative;
  z-index: 10;
  height: 100vh;
  overflow: hidden;
  /* Avoid transforms on container; wrapper handles transforms */
  contain: layout style paint;
}

.horizontal-wrapper {
  display: flex;
  width: 400vw;
  height: 100vh;
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
  /* 스무스한 스크롤을 위한 최적화 */
  perspective: 1000px;
  transform-style: preserve-3d;
}

.horizontal-panel {
  width: 100vw;
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  will-change: transform;
}

.panel-content {
  text-align: center;
  opacity: 1;
  transform: translateY(0);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 20;
  will-change: transform, opacity;
  width: 100%;
  max-width: 1200px;
  padding: 0 40px;
}

/* Prevent text selection during scroll */
.horizontal-scroll-section {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

/* Custom scrollbar (hidden) */
.horizontal-container::-webkit-scrollbar {
  display: none;
}

.horizontal-container {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* ===== Progress Indicators (Common) ===== */
.progress-indicators {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 100;
  padding: 12px 20px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 30px;
  backdrop-filter: blur(10px);
}

.progress-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.progress-dot.active {
  background: var(--accent-red);
  transform: scale(1.3);
  border-color: var(--accent-red);
}

.progress-dot:hover {
  background: rgba(255, 255, 255, 0.6);
  transform: scale(1.2);
}

@media (max-width: 768px) {
  .progress-indicators {
    bottom: 20px;
    padding: 8px 16px;
  }
  .progress-dot {
    width: 8px;
    height: 8px;
  }
}

/* ===== iOS Native Horizontal Scroll Overrides ===== */
/* Apply only on iOS Safari */
@supports (-webkit-touch-callout: none) {
  /* Enable native horizontal scroll for iOS on the section itself */
  .horizontal-scroll-section.ios-scroll {
    position: relative;
    overflow-x: scroll !important;
    overflow-y: hidden !important;
    height: 100svh !important;
    scroll-snap-type: x mandatory !important;
    -webkit-overflow-scrolling: touch !important;
    /* iOS Safari smooth + snap 충돌 방지 */
    scroll-behavior: auto !important;
    /* base에서 설정된 contain을 무효화하여 갇힘 방지 */
    overscroll-behavior: auto !important;
    /* Touch tweaks */
    touch-action: pan-x;
    -webkit-tap-highlight-color: transparent;
    /* Hide scrollbar */
    -ms-overflow-style: none !important;
    scrollbar-width: none !important;
  }

  .horizontal-scroll-section.ios-scroll::-webkit-scrollbar {
    display: none !important;
  }

  /* Horizontal layout using flex; remove transforms */
  .horizontal-scroll-section.ios-scroll .horizontal-wrapper {
    display: flex !important;
    flex-direction: row !important;
    width: auto !important;
    height: 100svh !important;
    transform: none !important;
    will-change: auto !important;
    backface-visibility: hidden !important;
  }

  .horizontal-scroll-section.ios-scroll .horizontal-panel {
    flex: 0 0 100vw !important;
    width: 100vw !important;
    height: 100svh !important;
    scroll-snap-align: start !important;
    scroll-snap-stop: always !important;
    position: relative !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }

  /* Keep content above video */
  .horizontal-scroll-section.ios-scroll .panel-content {
    position: relative !important;
    z-index: 10 !important;
    opacity: 1 !important;
    transform: none !important;
    transition: opacity 0.3s ease !important;
  }

  /* Keep background video within section, not global fixed */
  .horizontal-scroll-section.ios-scroll .horizontal-video-container {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100svh !important;
    z-index: 1 !important;
    pointer-events: none !important;
  }

  /* Position indicators within section on iOS */
  .horizontal-scroll-section.ios-scroll .progress-indicators,
  .horizontal-scroll-section.ios-scroll ~ .progress-indicators {
    position: absolute !important;
    bottom: 40px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    z-index: 100 !important;
  }
}

/* ===== ANIMATION SYSTEM ===== */

/* Animation Variables */
:root {
  /* Transition Durations */
  --duration-instant: 100ms;
  --duration-fast: 200ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --duration-very-slow: 1000ms;
  
  /* Easing Functions */
  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-elastic: cubic-bezier(0.68, -0.6, 0.32, 1.6);
}

/* Base Animation Classes */
.animate {
  transition: all var(--duration-normal) var(--ease-default);
}

.animate-fast {
  transition: all var(--duration-fast) var(--ease-default);
}

.animate-slow {
  transition: all var(--duration-slow) var(--ease-default);
}

/* Hover Effects */
.hover-lift {
  transition: transform var(--duration-normal) var(--ease-default);
}

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

.hover-scale {
  transition: transform var(--duration-normal) var(--ease-default);
}

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

.hover-brightness {
  transition: filter var(--duration-normal) var(--ease-default);
}

.hover-brightness:hover {
  filter: brightness(1.2);
}

.hover-rotate {
  transition: transform var(--duration-normal) var(--ease-default);
}

.hover-rotate:hover {
  transform: rotate(2deg);
}

/* Focus Effects */
.focus-ring {
  transition: box-shadow var(--duration-fast) var(--ease-default);
}

.focus-ring:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent-red);
}

/* Fade Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

.fade-in {
  animation: fadeIn var(--duration-normal) var(--ease-default);
}

.fade-out {
  animation: fadeOut var(--duration-normal) var(--ease-default);
}

/* Slide Animations */
@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideDown {
  from {
    transform: translateY(-20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideLeft {
  from {
    transform: translateX(20px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideRight {
  from {
    transform: translateX(-20px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.slide-up {
  animation: slideUp var(--duration-normal) var(--ease-default);
}

.slide-down {
  animation: slideDown var(--duration-normal) var(--ease-default);
}

.slide-left {
  animation: slideLeft var(--duration-normal) var(--ease-default);
}

.slide-right {
  animation: slideRight var(--duration-normal) var(--ease-default);
}

/* Scale Animations */
@keyframes scaleIn {
  from {
    transform: scale(0.95);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes scaleOut {
  from {
    transform: scale(1);
    opacity: 1;
  }
  to {
    transform: scale(0.95);
    opacity: 0;
  }
}

.scale-in {
  animation: scaleIn var(--duration-normal) var(--ease-default);
}

.scale-out {
  animation: scaleOut var(--duration-normal) var(--ease-default);
}

/* Rotation Animations */
@keyframes rotate {
  from {
    transform: rotate(-2deg);
  }
  to {
    transform: rotate(0deg);
  }
}

.rotate-in {
  animation: rotate var(--duration-normal) var(--ease-default);
}

/* Typing Animation */
@keyframes typing {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes blink {
  0%, 50% {
    border-color: transparent;
  }
  51%, 100% {
    border-color: var(--accent-red);
  }
}

.typing-animation {
  overflow: hidden;
  border-right: 2px solid var(--accent-red);
  white-space: nowrap;
  animation: 
    typing 3s steps(30, end),
    blink 1s step-end infinite;
}

/* Stagger Animation Delays */
.stagger-1 {
  animation-delay: 0.1s;
}

.stagger-2 {
  animation-delay: 0.2s;
}

.stagger-3 {
  animation-delay: 0.3s;
}

.stagger-4 {
  animation-delay: 0.4s;
}

.stagger-5 {
  animation-delay: 0.5s;
}

.stagger-6 {
  animation-delay: 0.6s;
}

/* Loading Animations */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

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

.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.spin {
  animation: spin 1s linear infinite;
}

/* Scroll Animations */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--duration-slow) var(--ease-default);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Button Animations */
.btn-animate {
  position: relative;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-default);
}

.btn-animate::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left var(--duration-slow) var(--ease-default);
}

.btn-animate:hover::before {
  left: 100%;
}

/* Card Animations */
.card-animate {
  transition: all var(--duration-normal) var(--ease-default);
}

.card-animate:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Text Reveal Animation */
@keyframes textReveal {
  0% {
    clip-path: inset(0 100% 0 0);
  }
  100% {
    clip-path: inset(0 0 0 0);
  }
}

.text-reveal {
  animation: textReveal var(--duration-slow) var(--ease-default);
}

/* Horizontal Scroll Panel Content Styles */
.panel-main-title {
  font-family: "Black Han Sans", sans-serif;
  font-size: clamp(48px, 8vw, 120px);
  font-weight: 400;
  color: var(--primary-text);
  letter-spacing: -0.03em;
  line-height: 0.9;
  margin-bottom: 16px;
  text-transform: uppercase;
  opacity: 0.9;
}

.panel-subtitle {
  font-family: var(--font-primary);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 300;
  color: var(--accent-red);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.panel-description {
  font-family: var(--font-korean);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 400;
  color: var(--secondary-text);
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
  opacity: 0.8;
}

@media (max-width: 768px) {
  .panel-main-title {
    font-size: 48px;
  }
  
  .panel-subtitle {
    font-size: 24px;
    margin-bottom: 16px;
  }
  
  .panel-description {
    font-size: 16px;
  }
}

/* Portfolio Video Styling */
.portfolio-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-video {
  transform: scale(1.05);
}

.portfolio-image {
  position: relative;
  overflow: hidden;
}

/* Ensure video maintains aspect ratio */
.portfolio-image video.portfolio-video {
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Mobile optimization for video portfolios */
@media (max-width: 768px) {
  .portfolio-video {
    /* Auto-play videos on mobile even without hover */
    animation: subtle-scale 10s infinite alternate ease-in-out;
  }
  
  @keyframes subtle-scale {
    0% { transform: translate(-50%, -50%) scale(1); }
    100% { transform: translate(-50%, -50%) scale(1.1); }
  }
}

/* Device Only Badge */
.device-only-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  margin-top: 8px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.portfolio-overlay:hover .device-only-badge {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.4);
}