/* ============================================
   PORTFOLIO - Creative Video Creator
   Dark Modern / Artistic Theme
   ============================================ */

/* Custom Fonts */
@font-face {
    font-family: 'Rocket';
    src: url('../font/a로케트.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Racer';
    src: url('../font/a카레이서.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* CSS Variables */
:root {
    /* Colors */
    --color-bg: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-tertiary: #1a1a1a;
    --color-text: #ffffff;
    --color-text-muted: #888888;
    --color-accent: #ff4d4d;
    --color-accent-secondary: #ff6b6b;
    --color-gradient-start: #ff4d4d;
    --color-gradient-end: #ff9f43;

    /* Typography */
    --font-primary: 'Montserrat', 'Noto Sans KR', sans-serif;
    --font-display: 'Bebas Neue', 'Montserrat', sans-serif;

    /* Spacing */
    --section-padding: 120px;
    --container-width: 1400px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-medium);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 40px;
}

.nav-logo a {
    font-family: var(--font-display);
    font-size: 1.8rem;
    letter-spacing: 3px;
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 2px;
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-gradient-start), var(--color-gradient-end));
    transition: var(--transition-fast);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.nav-hamburger span {
    width: 30px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-fast);
}

.nav-hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-hamburger.active span:nth-child(2) {
    opacity: 0;
}

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

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(10, 10, 10, 0.98);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-medium);
    z-index: 999;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu ul {
    list-style: none;
    text-align: center;
}

.mobile-menu li {
    margin: 30px 0;
}

.mobile-menu a {
    font-family: var(--font-display);
    font-size: 2.5rem;
    letter-spacing: 5px;
}

/* ============================================
   HERO SECTION (Legacy - kept for compatibility)
   ============================================ */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Hero Video Section - Clean video display */
.hero-video-section .hero-swiper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-fallback {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f0f23 100%);
    z-index: -1;
}

/* Animated background when no video */
.video-fallback::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(255, 77, 77, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 159, 67, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(255, 77, 77, 0.05) 0%, transparent 70%);
    animation: gradientPulse 8s ease-in-out infinite;
}

@keyframes gradientPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 10, 0.3) 0%,
        rgba(10, 10, 10, 0.5) 50%,
        rgba(10, 10, 10, 0.9) 100%
    );
    z-index: 2;
}

/* Hero Video Section - Full screen video only */
.hero-video-section {
    height: 100vh;
    width: 100%;
    position: relative;
    overflow: hidden;
}

/* Hero Content Section - Separate section below video */
.hero-content-section {
    min-height: 50vh;
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    position: relative;
    overflow: hidden;
}

/* Hero Content Background Video/Image */
.hero-content-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-content-bg video,
.hero-content-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 10, 0.7) 0%,
        rgba(10, 10, 10, 0.8) 50%,
        rgba(10, 10, 10, 0.95) 100%
    );
    z-index: 2;
}

/* Hero Title Animated Effects */
.hero-title-animated {
    position: relative;
}

.hero-title-animated .line {
    position: relative;
    display: block;
}

/* Glow Effect */
.hero-title-animated.effect-glow .line {
    text-shadow:
        0 0 10px rgba(255, 77, 77, 0.5),
        0 0 20px rgba(255, 77, 77, 0.3),
        0 0 40px rgba(255, 77, 77, 0.2);
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        text-shadow:
            0 0 10px rgba(255, 77, 77, 0.5),
            0 0 20px rgba(255, 77, 77, 0.3),
            0 0 40px rgba(255, 77, 77, 0.2);
    }
    50% {
        text-shadow:
            0 0 20px rgba(255, 77, 77, 0.8),
            0 0 40px rgba(255, 77, 77, 0.5),
            0 0 60px rgba(255, 77, 77, 0.3);
    }
}

/* Gradient Sweep Effect */
.hero-title-animated.effect-gradient .line {
    background: linear-gradient(
        90deg,
        var(--color-text) 0%,
        var(--color-accent) 50%,
        var(--color-text) 100%
    );
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientSweep 4s ease-in-out infinite;
}

@keyframes gradientSweep {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Typewriter Effect */
.hero-title-animated.effect-typewriter .line {
    overflow: hidden;
    white-space: nowrap;
    border-right: 3px solid var(--color-accent);
    animation: typing 2s steps(20) forwards, blink 0.7s step-end infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    50% { border-color: transparent; }
}

/* Shadow Depth Effect */
.hero-title-animated.effect-shadow .line {
    text-shadow:
        1px 1px 0 rgba(255, 77, 77, 0.8),
        2px 2px 0 rgba(255, 77, 77, 0.6),
        3px 3px 0 rgba(255, 77, 77, 0.4),
        4px 4px 0 rgba(255, 77, 77, 0.2),
        5px 5px 10px rgba(0, 0, 0, 0.5);
}

/* Outline Effect */
.hero-title-animated.effect-outline .line {
    -webkit-text-stroke: 2px var(--color-accent);
    -webkit-text-fill-color: transparent;
    transition: all 0.3s ease;
}

.hero-title-animated.effect-outline:hover .line {
    -webkit-text-fill-color: var(--color-accent);
}

/* ============================================
   NEON LIGHT-UP SCROLL EFFECT
   스크롤 시 글자가 하나씩 불켜지는 효과
   ============================================ */
.hero-title-neon .char {
    display: inline-block;
    -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.3);
    -webkit-text-fill-color: transparent;
    color: transparent;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    text-shadow: none;
    position: relative;
}

/* 글자가 켜진 상태 - Lit state (CREATIVE, VISUAL) */
.hero-title-neon .char.lit {
    -webkit-text-stroke: 0;
    -webkit-text-fill-color: #ffffff;
    color: #ffffff;
    text-shadow:
        0 0 10px rgba(255, 255, 255, 0.5),
        0 0 20px rgba(255, 255, 255, 0.3),
        0 0 40px rgba(255, 77, 77, 0.2);
    animation: neonFlicker 0.2s ease-in-out;
}

/* STORYTELLER (accent) - 꺼진 상태 */
.hero-title-neon .line.accent .char {
    -webkit-text-stroke: 1.5px rgba(255, 159, 67, 0.4);
}

/* STORYTELLER (accent) - 켜진 상태: 골드/오렌지 그라디언트 */
.hero-title-neon .line.accent .char.lit {
    -webkit-text-stroke: 0;
    background: linear-gradient(135deg, #FFD700 0%, #FF9F43 50%, #FF6B35 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    filter: drop-shadow(0 0 8px rgba(255, 159, 67, 0.6))
            drop-shadow(0 0 20px rgba(255, 107, 53, 0.3));
}

/* 네온 깜빡임 애니메이션 - 부드럽게 */
@keyframes neonFlicker {
    0% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 1;
    }
}

/* 공백 문자 처리 */
.hero-title-neon .char.space {
    width: 0.3em;
}

/* 라인별 간격 유지 */
.hero-title-neon .line {
    display: block;
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 20px;
    width: 100%;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 12vw, 10rem);
    line-height: 0.95;
    letter-spacing: 5px;
    margin-bottom: 30px;
}

.hero-title .line {
    display: block;
    opacity: 0;
    transform: translateY(50px);
    animation: fadeUp 1s forwards;
}

.hero-title .line:nth-child(2) {
    animation-delay: 0.2s;
}

.hero-title .line.accent {
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation-delay: 0.4s;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 1.4rem;
    font-weight: 400;
    font-family: 'Rocket', 'Noto Sans KR', sans-serif;
    color: rgba(255, 255, 255, 0.3);
    letter-spacing: 3px;
    margin-bottom: 50px;
    cursor: default;
    transition: color 0.1s ease;
}

/* 고장난 전구 깜빡임 효과 */
.hero-subtitle.flicker-active {
    animation: brokenBulbFlicker 0.8s ease-in-out forwards;
}

@keyframes brokenBulbFlicker {
    0% { color: rgba(255, 255, 255, 0.3); text-shadow: none; }
    5% { color: rgba(255, 255, 255, 0.8); text-shadow: 0 0 5px rgba(255,255,255,0.5); }
    10% { color: rgba(255, 255, 255, 0.2); text-shadow: none; }
    15% { color: rgba(255, 255, 255, 0.6); text-shadow: 0 0 3px rgba(255,255,255,0.3); }
    20% { color: rgba(255, 255, 255, 0.1); text-shadow: none; }
    30% { color: rgba(255, 255, 255, 0.7); text-shadow: 0 0 5px rgba(255,255,255,0.4); }
    35% { color: rgba(255, 255, 255, 0.2); text-shadow: none; }
    45% { color: rgba(255, 255, 255, 0.5); text-shadow: 0 0 3px rgba(255,255,255,0.2); }
    50% { color: rgba(255, 255, 255, 0.1); text-shadow: none; }
    60% { color: rgba(255, 255, 255, 0.4); text-shadow: 0 0 2px rgba(255,255,255,0.2); }
    70% { color: rgba(255, 255, 255, 0.8); text-shadow: 0 0 8px rgba(255,255,255,0.5); }
    75% { color: rgba(255, 255, 255, 0.3); text-shadow: none; }
    85% { color: rgba(255, 255, 255, 0.9); text-shadow: 0 0 10px rgba(255,255,255,0.6); }
    90% { color: rgba(255, 255, 255, 0.5); text-shadow: 0 0 5px rgba(255,255,255,0.3); }
    100% {
        color: #ffffff;
        text-shadow: 0 0 10px rgba(255,255,255,0.4), 0 0 20px rgba(255,255,255,0.2);
    }
}

/* 불 켜진 상태 유지 */
.hero-subtitle.lit {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(255,255,255,0.4), 0 0 20px rgba(255,255,255,0.2);
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    opacity: 0;
    animation: fadeUp 1s 0.8s forwards;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 40px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 2px;
    border-radius: 0;
    transition: var(--transition-medium);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    color: var(--color-text);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 77, 77, 0.3);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-text);
    color: var(--color-text);
}

.btn-outline:hover {
    background: var(--color-text);
    color: var(--color-bg);
}

/* Scroll Indicator */
.scroll-indicator {
    position: relative;
    margin-top: 40px;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0;
    animation: fadeUp 1s 1.2s forwards;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--color-text-muted);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--color-text-muted);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

.scroll-indicator span {
    font-size: 0.7rem;
    letter-spacing: 3px;
    color: var(--color-text-muted);
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section-header {
    margin-bottom: 60px;
}

.section-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--color-accent);
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    letter-spacing: 5px;
}

/* ============================================
   CHANNELS SECTION
   ============================================ */
.channels-section {
    padding: var(--section-padding) 0;
    background: var(--color-bg);
    position: relative;
    overflow: hidden;
}

/* Smoke/Light Leak Background Effects */
.channels-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(255, 77, 77, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(255, 159, 67, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse 70% 60% at 50% 80%, rgba(255, 77, 77, 0.05) 0%, transparent 50%);
    animation: smokeFloat 20s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

/* Floating smoke orbs */
.channels-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle 300px at 10% 20%, rgba(255, 100, 100, 0.04) 0%, transparent 70%),
        radial-gradient(circle 400px at 90% 80%, rgba(255, 159, 67, 0.05) 0%, transparent 70%),
        radial-gradient(circle 250px at 70% 30%, rgba(255, 77, 77, 0.03) 0%, transparent 70%),
        radial-gradient(circle 350px at 30% 70%, rgba(255, 120, 80, 0.04) 0%, transparent 70%);
    animation: smokeFloat2 25s ease-in-out infinite reverse;
    pointer-events: none;
    z-index: 0;
}

@keyframes smokeFloat {
    0%, 100% {
        transform: translateX(0) translateY(0) scale(1);
        opacity: 1;
    }
    25% {
        transform: translateX(30px) translateY(-20px) scale(1.05);
        opacity: 0.8;
    }
    50% {
        transform: translateX(-20px) translateY(30px) scale(1.1);
        opacity: 1;
    }
    75% {
        transform: translateX(40px) translateY(10px) scale(1.02);
        opacity: 0.9;
    }
}

@keyframes smokeFloat2 {
    0%, 100% {
        transform: translateX(0) translateY(0) rotate(0deg);
        filter: blur(0px);
    }
    33% {
        transform: translateX(-40px) translateY(25px) rotate(2deg);
        filter: blur(2px);
    }
    66% {
        transform: translateX(25px) translateY(-15px) rotate(-1deg);
        filter: blur(1px);
    }
}

/* Light leak streaks */
.channels-section .container,
.channels-section .channels-preview,
.channels-section .channels-cta {
    position: relative;
    z-index: 1;
}

/* Animated Smoke Layers */
.smoke-layer {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.6;
}

.smoke-layer-1 {
    background:
        radial-gradient(ellipse 600px 400px at 15% 30%, rgba(255, 77, 77, 0.12) 0%, transparent 60%);
    animation: smokeWave1 18s ease-in-out infinite;
    filter: blur(40px);
}

.smoke-layer-2 {
    background:
        radial-gradient(ellipse 500px 350px at 85% 60%, rgba(255, 159, 67, 0.1) 0%, transparent 55%);
    animation: smokeWave2 22s ease-in-out infinite;
    filter: blur(50px);
}

.smoke-layer-3 {
    background:
        radial-gradient(ellipse 450px 300px at 50% 80%, rgba(255, 100, 100, 0.08) 0%, transparent 50%);
    animation: smokeWave3 15s ease-in-out infinite;
    filter: blur(35px);
}

@keyframes smokeWave1 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.6;
    }
    25% {
        transform: translate(80px, -40px) scale(1.2);
        opacity: 0.4;
    }
    50% {
        transform: translate(20px, 60px) scale(0.9);
        opacity: 0.7;
    }
    75% {
        transform: translate(-60px, 20px) scale(1.1);
        opacity: 0.5;
    }
}

@keyframes smokeWave2 {
    0%, 100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
        opacity: 0.5;
    }
    33% {
        transform: translate(-100px, 50px) scale(1.3) rotate(5deg);
        opacity: 0.7;
    }
    66% {
        transform: translate(60px, -30px) scale(0.8) rotate(-3deg);
        opacity: 0.4;
    }
}

@keyframes smokeWave3 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-40px, -50px) scale(1.15);
        opacity: 0.7;
    }
}

/* Light Leak Effects */
.light-leak {
    position: absolute;
    pointer-events: none;
    z-index: 0;
    mix-blend-mode: screen;
}

.light-leak-1 {
    top: -20%;
    left: -10%;
    width: 60%;
    height: 80%;
    background: linear-gradient(
        135deg,
        rgba(255, 77, 77, 0.15) 0%,
        rgba(255, 159, 67, 0.1) 30%,
        transparent 60%
    );
    animation: lightLeak1 12s ease-in-out infinite;
    filter: blur(60px);
    opacity: 0.7;
}

.light-leak-2 {
    bottom: -30%;
    right: -15%;
    width: 70%;
    height: 90%;
    background: linear-gradient(
        -45deg,
        rgba(255, 120, 80, 0.12) 0%,
        rgba(255, 77, 77, 0.08) 40%,
        transparent 70%
    );
    animation: lightLeak2 16s ease-in-out infinite;
    filter: blur(80px);
    opacity: 0.6;
}

@keyframes lightLeak1 {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
        opacity: 0.7;
    }
    25% {
        transform: translate(50px, 30px) rotate(3deg);
        opacity: 0.5;
    }
    50% {
        transform: translate(20px, -20px) rotate(-2deg);
        opacity: 0.8;
    }
    75% {
        transform: translate(-30px, 10px) rotate(1deg);
        opacity: 0.6;
    }
}

@keyframes lightLeak2 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.6;
    }
    33% {
        transform: translate(-60px, -40px) scale(1.1);
        opacity: 0.8;
    }
    66% {
        transform: translate(40px, 30px) scale(0.95);
        opacity: 0.5;
    }
}

/* Subtle particle dust effect */
.channels-section .section-header::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 200px;
    background:
        radial-gradient(circle 2px at 20% 30%, rgba(255, 255, 255, 0.3) 0%, transparent 100%),
        radial-gradient(circle 1px at 80% 20%, rgba(255, 255, 255, 0.2) 0%, transparent 100%),
        radial-gradient(circle 1.5px at 40% 70%, rgba(255, 200, 150, 0.25) 0%, transparent 100%),
        radial-gradient(circle 1px at 60% 50%, rgba(255, 255, 255, 0.15) 0%, transparent 100%),
        radial-gradient(circle 2px at 90% 80%, rgba(255, 150, 100, 0.2) 0%, transparent 100%);
    animation: dustFloat 10s linear infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes dustFloat {
    0% {
        transform: translateX(-50%) translateY(0);
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateX(-50%) translateY(-30px);
        opacity: 0.6;
    }
}

.channels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 0 40px;
    max-width: 1600px;
    margin: 0 auto;
}

.channel-card {
    position: relative;
    background: var(--color-bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.channel-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.channel-thumbnail-slider {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.channel-slides {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}

.channel-slide {
    min-width: 100%;
    height: 100%;
}

.channel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.channel-slide-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    letter-spacing: 2px;
}

.channel-slider-dots {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 10;
}

.channel-slider-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.channel-slider-dot.active {
    background: var(--color-accent);
    transform: scale(1.3);
}

.channel-info {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.channel-logo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--color-bg-tertiary);
}

.channel-logo-placeholder {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: white;
}

.channel-text {
    flex: 1;
}

.channel-name {
    font-family: var(--font-display);
    font-size: 1.2rem;
    letter-spacing: 2px;
    margin-bottom: 5px;
}

.channel-desc {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.channel-video-count {
    display: inline-block;
    padding: 4px 10px;
    background: var(--color-bg-tertiary);
    border-radius: 20px;
    font-size: 0.7rem;
    color: var(--color-text-muted);
    letter-spacing: 1px;
}

/* Channel Modal */
.channel-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.channel-modal.active {
    opacity: 1;
    visibility: visible;
}

.channel-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
}

.channel-modal-content {
    position: relative;
    width: 90%;
    max-width: 1200px;
    max-height: 90vh;
    background: var(--color-bg-secondary);
    border-radius: 16px;
    overflow: hidden;
    transform: translateY(30px);
    transition: transform 0.4s ease;
}

.channel-modal.active .channel-modal-content {
    transform: translateY(0);
}

.channel-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--color-bg-tertiary);
    border: none;
    border-radius: 50%;
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.channel-modal-close:hover {
    background: var(--color-accent);
}

.channel-modal-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 30px;
    border-bottom: 1px solid var(--color-bg-tertiary);
}

.channel-modal-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
}

.channel-modal-info {
    flex: 1;
}

.channel-modal-name {
    font-family: var(--font-display);
    font-size: 2rem;
    letter-spacing: 3px;
    margin-bottom: 8px;
}

.channel-modal-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.channel-videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    padding: 30px;
    max-height: 60vh;
    overflow-y: auto;
}

/* Custom Scrollbar for videos grid */
.channel-videos-grid::-webkit-scrollbar {
    width: 8px;
}

.channel-videos-grid::-webkit-scrollbar-track {
    background: var(--color-bg);
    border-radius: 4px;
}

.channel-videos-grid::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border-radius: 4px;
}

.channel-videos-grid::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

.channel-video-card {
    background: var(--color-bg);
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.channel-video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.channel-video-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.channel-video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.channel-video-card:hover .channel-video-thumbnail img {
    transform: scale(1.1);
}

.channel-video-thumbnail-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

.channel-video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 77, 77, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.channel-video-card:hover .channel-video-play {
    opacity: 1;
}

.channel-video-play svg {
    width: 20px;
    height: 20px;
    margin-left: 3px;
    fill: white;
}

.channel-video-info {
    padding: 15px;
}

.channel-video-title {
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 5px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.channel-video-date {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 992px) {
    .channels-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 20px;
    }

    .channel-modal-content {
        width: 95%;
    }

    .channel-videos-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .channels-grid {
        grid-template-columns: 1fr;
    }

    .channel-modal-header {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .channel-modal-name {
        font-size: 1.5rem;
    }

    .channel-videos-grid {
        grid-template-columns: 1fr;
        max-height: 50vh;
    }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-section {
    padding: var(--section-padding) 0;
    background: var(--color-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: start;
}

/* When image is hidden, move text to the right */
.about-content.no-image {
    grid-template-columns: 1fr;
    justify-items: end;
    max-width: 800px;
    margin-left: auto;
}

.about-content.no-image .about-text {
    text-align: left;
    max-width: 600px;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-placeholder {
    display: none;
}

.image-placeholder span {
    display: none;
}

.image-wrapper::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 1px solid var(--color-accent);
    z-index: -1;
}

.about-name {
    font-family: var(--font-display);
    font-size: 2.5rem;
    letter-spacing: 3px;
    margin-bottom: 5px;
}

.about-role {
    color: var(--color-accent);
    font-size: 1rem;
    letter-spacing: 2px;
    margin-bottom: 30px;
}

.about-description {
    margin-bottom: 40px;
}

.about-description p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.05rem;
    margin-bottom: 8px;
    line-height: 1.5;
    word-break: keep-all;
}

/* 문단 구분 (빈 줄 효과) */
.about-description p:empty,
.about-description p br:only-child {
    margin-bottom: 20px;
}

/* 중요 키워드 강조 */
.about-description strong,
.about-description b {
    color: #ffffff;
    font-weight: 600;
}

/* 인용/강조 문장 */
.about-description .highlight {
    color: var(--color-accent);
    font-weight: 500;
}

/* 핵심 메시지 강조 박스 */
.about-description .key-message {
    background: linear-gradient(135deg, rgba(255, 77, 77, 0.1), rgba(255, 159, 67, 0.1));
    border-left: 3px solid var(--color-accent);
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
}

.about-description .key-message p {
    margin-bottom: 5px;
    color: #ffffff;
}

/* 문단 구분 여백 */
.about-description .paragraph-break {
    height: 15px;
}

.about-stats {
    display: flex;
    gap: 50px;
    margin-bottom: 40px;
    padding: 30px 0;
    border-top: 1px solid var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-bg-tertiary);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 3rem;
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    letter-spacing: 2px;
}

.about-skills h4 {
    font-size: 0.85rem;
    letter-spacing: 3px;
    margin-bottom: 15px;
    color: var(--color-text-muted);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    padding: 8px 16px;
    background: var(--color-bg-tertiary);
    font-size: 0.8rem;
    letter-spacing: 1px;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

/* Shimmer Effect for Skill Tags */
.tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.03) 20%,
        rgba(255, 255, 255, 0.15) 40%,
        rgba(255, 255, 255, 0.25) 50%,
        rgba(255, 255, 255, 0.15) 60%,
        rgba(255, 255, 255, 0.03) 80%,
        transparent 100%
    );
    animation: tagShimmer 3s ease-in-out infinite;
    animation-delay: var(--shimmer-delay, 0s);
}

.tag:nth-child(1) { --shimmer-delay: 0s; }
.tag:nth-child(2) { --shimmer-delay: 0.2s; }
.tag:nth-child(3) { --shimmer-delay: 0.4s; }
.tag:nth-child(4) { --shimmer-delay: 0.6s; }
.tag:nth-child(5) { --shimmer-delay: 0.8s; }
.tag:nth-child(6) { --shimmer-delay: 1s; }
.tag:nth-child(7) { --shimmer-delay: 1.2s; }
.tag:nth-child(8) { --shimmer-delay: 1.4s; }
.tag:nth-child(9) { --shimmer-delay: 1.6s; }
.tag:nth-child(10) { --shimmer-delay: 1.8s; }

@keyframes tagShimmer {
    0% {
        left: -100%;
    }
    50%, 100% {
        left: 100%;
    }
}

.tag:hover {
    background: var(--color-accent);
}

.tag:hover::before {
    animation: none;
}

/* ============================================
   WORKS SECTION
   ============================================ */
.works-section {
    padding: var(--section-padding) 0;
    background: var(--color-bg-secondary);
}

.works-filter {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 2px;
    cursor: pointer;
    padding: 10px 20px;
    transition: var(--transition-fast);
    position: relative;
}

.filter-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition-fast);
    transform: translateX(-50%);
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--color-text);
}

.filter-btn.active::after {
    width: 100%;
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.work-item {
    position: relative;
    overflow: hidden;
}

.work-item.large {
    grid-column: span 2;
}

.work-thumbnail {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    cursor: pointer;
}

.work-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.thumbnail-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg));
    display: flex;
    align-items: center;
    justify-content: center;
}

.thumbnail-placeholder span {
    font-family: var(--font-display);
    font-size: 1.2rem;
    letter-spacing: 3px;
    color: var(--color-text-muted);
}

.work-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to top,
        rgba(10, 10, 10, 0.95) 0%,
        rgba(10, 10, 10, 0.7) 50%,
        transparent 100%
    );
    display: flex;
    align-items: flex-end;
    padding: 30px;
    opacity: 0;
    transition: var(--transition-medium);
}

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

.work-item:hover .work-thumbnail img {
    transform: scale(1.1);
}

.work-info {
    transform: translateY(20px);
    transition: var(--transition-medium);
}

.work-item:hover .work-info {
    transform: translateY(0);
}

.work-category {
    display: inline-block;
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--color-accent);
    margin-bottom: 10px;
}

.work-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.work-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 15px;
}

.work-link {
    font-size: 0.85rem;
    letter-spacing: 2px;
    color: var(--color-accent);
    transition: var(--transition-fast);
}

.work-link:hover {
    letter-spacing: 4px;
}

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-medium);
    opacity: 0;
}

.work-item:hover .play-icon {
    opacity: 1;
}

.play-icon svg {
    width: 24px;
    height: 24px;
    margin-left: 4px;
}

.works-more {
    text-align: center;
    margin-top: 60px;
}

/* ============================================
   SHOWREEL SECTION
   ============================================ */
.showreel-section {
    position: relative;
    height: 70vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f0f23 100%);
    overflow: hidden;
}

.showreel-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 30px 30px;
    opacity: 0.5;
}

.showreel-content {
    position: relative;
    text-align: center;
    z-index: 2;
}

.showreel-content h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 4rem);
    letter-spacing: 10px;
    margin-bottom: 15px;
}

.showreel-content p {
    color: var(--color-text-muted);
    margin-bottom: 40px;
    letter-spacing: 2px;
}

.play-showreel {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    transition: var(--transition-medium);
    position: relative;
}

.play-showreel::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: inherit;
    animation: pulse 2s infinite;
    z-index: -1;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.play-showreel:hover {
    transform: scale(1.1);
}

.play-showreel svg {
    width: 40px;
    height: 40px;
    margin-left: 5px;
}

.showreel-video-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
}

.showreel-video-container.active {
    opacity: 1;
    visibility: visible;
}

.showreel-video-container video {
    max-width: 90%;
    max-height: 90%;
}

.close-showreel {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: none;
    border: 1px solid var(--color-text);
    color: var(--color-text);
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.close-showreel:hover {
    background: var(--color-text);
    color: var(--color-bg);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
    padding: var(--section-padding) 0;
    background: var(--color-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

/* Center aligned contact layout */
.contact-content.contact-centered {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0;
}

.contact-centered .contact-info {
    max-width: 600px;
    width: 100%;
}

.contact-info h3 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    letter-spacing: 3px;
    margin-bottom: 20px;
}

.contact-info > p {
    color: var(--color-text-muted);
    margin-bottom: 50px;
}

.contact-details {
    margin-bottom: 50px;
}

.contact-item {
    margin-bottom: 35px;
}

.contact-centered .contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-item .label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 3px;
    color: var(--color-accent);
    margin-bottom: 12px;
    font-weight: 500;
}

.contact-item a,
.contact-item > span:not(.label) {
    font-size: 1.3rem;
    transition: var(--transition-fast);
    font-weight: 300;
    letter-spacing: 1px;
}

.contact-item a:hover {
    color: var(--color-accent);
}

/* Contact Value Row with Copy Button */
.contact-value-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

/* Copy Button - Premium Design */
.copy-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, rgba(255, 77, 77, 0.1) 0%, rgba(255, 159, 67, 0.08) 100%);
    border: 1px solid rgba(255, 77, 77, 0.3);
    border-radius: 50px;
    color: #fff;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.copy-btn:hover {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-gradient-end) 100%);
    border-color: transparent;
    transform: translateY(-2px) scale(1.05);
    box-shadow:
        0 10px 30px rgba(255, 77, 77, 0.3),
        0 0 20px rgba(255, 77, 77, 0.2);
}

.copy-btn:active {
    transform: translateY(0) scale(0.98);
}

.copy-btn .copy-text {
    position: relative;
    z-index: 2;
    transition: opacity 0.3s ease;
}

.copy-btn .copy-icon {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
}

.copy-btn .copy-icon svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.copy-btn:hover .copy-icon svg {
    transform: scale(1.1);
}

.copy-btn .copy-success {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    color: #fff;
    font-weight: 600;
    z-index: 2;
    transition: opacity 0.3s ease;
}

/* Copy success state */
.copy-btn.copied {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    border-color: transparent;
}

.copy-btn.copied .copy-text,
.copy-btn.copied .copy-icon {
    opacity: 0;
}

.copy-btn.copied .copy-success {
    opacity: 1;
}

/* Shimmer Effect */
.copy-btn-shimmer {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: copyBtnShimmer 3s ease-in-out infinite;
    z-index: 1;
}

@keyframes copyBtnShimmer {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

.copy-btn:hover .copy-btn-shimmer {
    animation: none;
    left: -100%;
}

/* Social Links - Centered */
.social-links {
    display: flex;
    gap: 15px;
}

.contact-centered .social-links {
    justify-content: center;
}

.social-link {
    width: 55px;
    height: 55px;
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-accent), var(--color-gradient-end));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.social-link:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 77, 77, 0.25);
}

.social-link:hover::before {
    opacity: 1;
}

.social-link svg {
    width: 22px;
    height: 22px;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.social-link:hover svg {
    transform: scale(1.1);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 0;
    background: none;
    border: none;
    border-bottom: 1px solid var(--color-bg-tertiary);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group label {
    position: absolute;
    left: 0;
    top: 15px;
    font-size: 0.85rem;
    letter-spacing: 2px;
    color: var(--color-text-muted);
    pointer-events: none;
    transition: var(--transition-fast);
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: -10px;
    font-size: 0.7rem;
    color: var(--color-accent);
}

.form-group textarea {
    resize: none;
    min-height: 120px;
}

.contact-form .btn {
    align-self: flex-start;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 40px 0;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-bg-tertiary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 3px;
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* ============================================
   VIDEO MODAL
   ============================================ */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
}

.video-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid var(--color-text);
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-text);
    color: var(--color-bg);
}

.modal-content video {
    max-width: 100%;
    max-height: 80vh;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
    .works-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .work-item.large {
        grid-column: span 2;
    }
}

@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }

    .container {
        padding: 0 20px;
    }

    .nav-links {
        display: none;
    }

    .nav-hamburger {
        display: flex;
    }

    .hero-title {
        font-size: clamp(2.5rem, 15vw, 5rem);
    }

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

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

    .work-item.large {
        grid-column: span 1;
    }

    .about-stats {
        justify-content: space-between;
        gap: 20px;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 14px 30px;
        width: 100%;
        text-align: center;
    }

    .about-stats {
        flex-direction: column;
        align-items: flex-start;
    }

    .stat-item {
        text-align: left;
    }

    .works-filter {
        justify-content: center;
    }

    .filter-btn {
        padding: 8px 15px;
        font-size: 0.75rem;
    }
}

/* ============================================
   ANIMATIONS & UTILITIES
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading state for images */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    100% { left: 100%; }
}

/* ============================================
   HERO SWIPER STYLES
   ============================================ */
.hero-swiper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-slide {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide-media {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.slide-media video,
.slide-media img,
.slide-media iframe {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 10, 0.1) 0%,
        rgba(10, 10, 10, 0.2) 70%,
        rgba(10, 10, 10, 0.8) 100%
    );
}

.hero-pagination {
    position: absolute;
    bottom: 30px !important;
    z-index: 10;
}

.hero-pagination .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.3);
    opacity: 1;
    transition: var(--transition-fast);
}

.hero-pagination .swiper-pagination-bullet-active {
    background: var(--color-accent);
    transform: scale(1.2);
}

/* ============================================
   GREETING SECTION (Pin on Scroll)
   ============================================ */
.greeting-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    position: relative;
    overflow: hidden;
}

/* Greeting Ambient Background Effects */
.greeting-ambient {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.08;
    pointer-events: none;
    z-index: 0;
}

.greeting-ambient-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.4) 0%, transparent 70%);
    top: -200px;
    left: -100px;
    animation: greetingFloat1 20s ease-in-out infinite;
}

.greeting-ambient-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(200, 200, 200, 0.3) 0%, transparent 70%);
    bottom: -150px;
    right: -100px;
    animation: greetingFloat2 25s ease-in-out infinite;
}

.greeting-ambient-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: greetingPulse 15s ease-in-out infinite;
}

.greeting-glow {
    position: absolute;
    pointer-events: none;
    z-index: 0;
}

.greeting-glow-1 {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    top: 30%;
    left: 0;
    animation: greetingGlowMove1 12s ease-in-out infinite;
}

.greeting-glow-2 {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
    bottom: 35%;
    left: 0;
    animation: greetingGlowMove2 15s ease-in-out infinite;
}

@keyframes greetingFloat1 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.08;
    }
    50% {
        transform: translate(50px, 30px) scale(1.1);
        opacity: 0.12;
    }
}

@keyframes greetingFloat2 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.06;
    }
    50% {
        transform: translate(-40px, -20px) scale(1.15);
        opacity: 0.1;
    }
}

@keyframes greetingPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.05;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.3);
        opacity: 0.1;
    }
}

@keyframes greetingGlowMove1 {
    0%, 100% {
        transform: translateX(-100%);
        opacity: 0;
    }
    50% {
        transform: translateX(100%);
        opacity: 1;
    }
}

@keyframes greetingGlowMove2 {
    0%, 100% {
        transform: translateX(100%);
        opacity: 0;
    }
    50% {
        transform: translateX(-100%);
        opacity: 1;
    }
}

.greeting-content {
    text-align: center;
    padding: 0 40px;
}

.greeting-text {
    font-family: 'Rocket', var(--font-primary);
    font-size: clamp(1.5rem, 4vw, 3rem);
    font-weight: normal;
    line-height: 1.8;
    color: var(--color-text-muted);
}

.greeting-text span {
    display: inline-block;
    opacity: 0.2;
    transition: opacity 0.3s ease, color 0.3s ease;
}

.greeting-text span.show {
    opacity: 1;
    color: var(--color-text);
}

/* ============================================
   WORKS SWIPER CAROUSEL
   ============================================ */
.works-swiper {
    width: 100%;
    padding: 40px 0 60px;
    overflow: visible;
}

.work-slide {
    transition: transform 0.4s ease, opacity 0.4s ease;
}

.work-slide:not(.swiper-slide-active) {
    opacity: 0.5;
    transform: scale(0.9);
}

.work-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-bg-tertiary);
}

.work-card .work-thumbnail {
    aspect-ratio: 16/10;
    position: relative;
    overflow: hidden;
}

.work-card .work-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.work-card:hover .work-thumbnail img {
    transform: scale(1.1);
}

.work-card .work-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to top,
        rgba(10, 10, 10, 0.95) 0%,
        rgba(10, 10, 10, 0.7) 50%,
        transparent 100%
    );
    display: flex;
    align-items: flex-end;
    padding: 30px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.work-card:hover .work-overlay {
    opacity: 1;
}

.work-card .work-info {
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.work-card:hover .work-info {
    transform: translateY(0);
}

.work-card .play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s ease;
}

.work-card:hover .play-icon {
    opacity: 1;
}

.work-card .play-icon svg {
    width: 28px;
    height: 28px;
    margin-left: 4px;
}

.work-thumbnail.no-image {
    background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-tertiary));
    display: flex;
    align-items: center;
    justify-content: center;
}

.work-thumbnail.no-image::after {
    content: 'No Image';
    color: var(--color-text-muted);
    font-size: 0.9rem;
    letter-spacing: 2px;
}

.work-thumbnail .thumbnail-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-tertiary));
}

.work-thumbnail .thumbnail-placeholder span {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    letter-spacing: 2px;
}

/* Works Navigation */
.works-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-top: 20px;
}

.swiper-button {
    width: 50px;
    height: 50px;
    border: 1px solid var(--color-text-muted);
    background: transparent;
    color: var(--color-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.swiper-button:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.swiper-button svg {
    width: 20px;
    height: 20px;
}

.works-counter {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 2px;
}

.works-counter .current {
    color: var(--color-accent);
}

.works-counter .divider {
    color: var(--color-text-muted);
}

.works-counter .total {
    color: var(--color-text-muted);
}

/* ============================================
   STATS SECTION (Large Numbers)
   ============================================ */
.stats-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg));
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-box {
    padding: 40px 20px;
}

.stat-big-number {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 10px;
}

.stat-big-label {
    font-size: 0.9rem;
    letter-spacing: 3px;
    color: var(--color-text-muted);
}

/* ============================================
   ADMIN LINK
   ============================================ */
.admin-link {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    opacity: 0.3;
    transition: all 0.3s ease;
    z-index: 100;
}

.admin-link:hover {
    opacity: 1;
    background: var(--color-accent);
    border-color: var(--color-accent);
}

/* ============================================
   RESPONSIVE ADDITIONS
   ============================================ */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .stat-box {
        padding: 30px 20px;
    }

    .greeting-text {
        font-size: 1.2rem;
    }

    .works-navigation {
        gap: 20px;
    }

    .swiper-button {
        width: 40px;
        height: 40px;
    }

    .works-counter {
        font-size: 1.2rem;
    }
}

/* ============================================
   CHANNELS PREVIEW SECTION (Main Page)
   ============================================ */
.channels-intro {
    color: var(--color-text-muted);
    font-size: 1rem;
    letter-spacing: 1px;
    margin-top: -40px;
    margin-bottom: 50px;
}

.channels-preview {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.channels-summary {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 50px;
    padding: 30px 0;
    border-bottom: 1px solid var(--color-bg-tertiary);
}

.channels-summary-stat {
    text-align: center;
}

.channels-summary-stat .stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 3rem;
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

/* ============================================
   CHANNELS LOGO CARD DESIGN
   ============================================ */

/* Shimmer Animation */
@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

@keyframes shimmerPulse {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.6;
    }
}

.channels-logo-slider {
    padding: 20px 0;
}

.channels-logo-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 50px;
}

.channel-logo-card {
    position: relative;
    width: 200px;
    height: 200px;
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: transform 0.4s ease,
                box-shadow 0.4s ease;
    cursor: pointer;
}

.channel-logo-card:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.15),
                0 0 20px rgba(255, 255, 255, 0.1);
}

/* Logo Wrapper */
.channel-logo-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    overflow: hidden;
}

.channel-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.4s ease, filter 0.4s ease;
}

.channel-logo-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 4rem;
    color: white;
}

/* Logo Shimmer Effect */
.channel-logo-shimmer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent 30%,
        rgba(255, 255, 255, 0.2) 50%,
        transparent 70%
    );
    transform: translateX(-100%);
    pointer-events: none;
}

.channel-logo-card:hover .channel-logo-shimmer {
    animation: shimmer 1s ease-in-out;
}

.channel-logo-card:hover .channel-logo-img {
    transform: scale(1.08);
    filter: brightness(0.7);
}

/* Overlay - 심플하게 하단에만 */
.channel-logo-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 15px;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 0, 0, 0.85) 100%
    );
    display: flex;
    align-items: flex-end;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.channel-logo-card:hover .channel-logo-overlay {
    opacity: 1;
}

/* Overlay Shimmer - 숨김 */
.overlay-shimmer {
    display: none;
}

/* Overlay Content */
.channel-overlay-content {
    text-align: center;
    transform: translateY(10px);
    opacity: 0;
    transition: transform 0.4s ease, opacity 0.4s ease;
    z-index: 1;
}

.channel-logo-card:hover .channel-overlay-content {
    transform: translateY(0);
    opacity: 1;
}

.channel-overlay-name {
    display: none;
}

.channel-overlay-subs {
    font-size: 0.75rem;
    color: white;
    margin-bottom: 10px;
    letter-spacing: 1px;
    padding: 4px 12px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 12px;
    backdrop-filter: blur(4px);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

/* View More Button */
.channel-overlay-btn {
    position: relative;
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    color: white;
    font-size: 0.7rem;
    letter-spacing: 2px;
    overflow: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.channel-overlay-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
}

/* Button Shimmer */
.btn-shimmer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transform: translateX(-100%);
    pointer-events: none;
}

.channel-logo-card:hover .btn-shimmer {
    animation: shimmer 0.8s ease-in-out 0.2s;
}

/* Channels CTA */
.channels-cta {
    text-align: center;
    padding: 60px 0;
}

.channels-view-all {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 22px 50px;
    background: linear-gradient(135deg, rgba(255, 77, 77, 0.15) 0%, rgba(255, 159, 67, 0.1) 100%);
    border: 2px solid transparent;
    border-image: linear-gradient(135deg, var(--color-accent), var(--color-gradient-end)) 1;
    color: #fff;
    font-family: var(--font-display);
    font-size: 1.2rem;
    letter-spacing: 4px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow:
        0 0 20px rgba(255, 77, 77, 0.2),
        0 0 40px rgba(255, 77, 77, 0.1),
        inset 0 0 20px rgba(255, 77, 77, 0.05);
}

/* Shimmer effect */
.channels-view-all::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: btnShimmer 3s ease-in-out infinite;
}

@keyframes btnShimmer {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

/* Glow pulse effect */
.channels-view-all::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-gradient-end));
    z-index: -1;
    border-radius: 0;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.channels-view-all:hover {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-gradient-end) 100%);
    color: white;
    transform: translateY(-3px) scale(1.02);
    box-shadow:
        0 10px 30px rgba(255, 77, 77, 0.4),
        0 0 50px rgba(255, 77, 77, 0.3),
        0 0 80px rgba(255, 77, 77, 0.2);
    border-image: none;
    border-color: transparent;
}

.channels-view-all:hover::after {
    opacity: 0.3;
    animation: glowPulse 2s ease-in-out infinite;
}

.channels-view-all svg {
    width: 22px;
    height: 22px;
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    filter: drop-shadow(0 0 3px rgba(255, 255, 255, 0.5));
}

.channels-view-all:hover svg {
    transform: translateX(8px);
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.8));
}

/* Active/pressed state */
.channels-view-all:active {
    transform: translateY(0) scale(0.98);
    box-shadow:
        0 5px 15px rgba(255, 77, 77, 0.3),
        0 0 30px rgba(255, 77, 77, 0.2);
}

/* Channels Empty State */
.channels-empty {
    text-align: center;
    padding: 60px 40px;
    color: var(--color-text-muted);
    font-size: 1rem;
    letter-spacing: 1px;
}

/* Channels Responsive */
@media (max-width: 992px) {
    .channels-logo-grid {
        gap: 20px;
    }

    .channel-logo-card {
        width: 170px;
        height: 170px;
    }
}

@media (max-width: 768px) {
    .channels-intro {
        margin-top: -30px;
        margin-bottom: 40px;
    }

    .channels-logo-grid {
        gap: 15px;
    }

    .channel-logo-card {
        width: 140px;
        height: 140px;
    }

    .channel-overlay-btn {
        padding: 6px 14px;
        font-size: 0.6rem;
    }

    .channels-view-all {
        padding: 18px 35px;
        font-size: 1rem;
        letter-spacing: 3px;
    }
}

@media (max-width: 480px) {
    .channels-view-all {
        padding: 16px 28px;
        font-size: 0.9rem;
        letter-spacing: 2px;
        gap: 10px;
    }

    .channels-view-all svg {
        width: 18px;
        height: 18px;
    }
}

@media (max-width: 480px) {
    .channel-logo-card {
        width: 140px;
        height: 195px;
    }

    .channel-logo-placeholder {
        font-size: 3rem;
    }

    .channel-overlay-name {
        font-size: 0.9rem;
    }
}

/* ============================================
   HERO VIDEO PIP (Picture-in-Picture) MODE
   ============================================ */
.hero-pip-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.9);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-pip-container.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.pip-video-wrapper {
    position: relative;
    width: 480px;
    aspect-ratio: 16 / 9;
    border-radius: 16px;
    overflow: hidden;
    background: #000;
    box-shadow:
        0 25px 80px rgba(0, 0, 0, 0.7),
        0 0 0 2px rgba(255, 255, 255, 0.1),
        0 0 50px rgba(255, 77, 77, 0.25);
    cursor: pointer;
    transition: all 0.3s ease;
}

.pip-video-wrapper:hover {
    transform: scale(1.02);
    box-shadow:
        0 25px 70px rgba(0, 0, 0, 0.7),
        0 0 0 1px rgba(255, 255, 255, 0.15),
        0 0 40px rgba(255, 77, 77, 0.3);
}

.pip-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pip-controls {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pip-video-wrapper:hover .pip-controls {
    opacity: 1;
}

.pip-close,
.pip-expand {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.pip-close:hover,
.pip-expand:hover {
    background: var(--color-accent);
    transform: scale(1.1);
}

.pip-close svg,
.pip-expand svg {
    width: 20px;
    height: 20px;
}

/* Progress bar */
.pip-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(255, 255, 255, 0.2);
}

.pip-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-gradient-end));
    width: 0;
    transition: width 0.1s linear;
}

/* PIP 진입 애니메이션 */
@keyframes pipSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) translateX(30px) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translateY(0) translateX(0) scale(1);
    }
}

.hero-pip-container.active .pip-video-wrapper {
    animation: pipSlideIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* PIP Hover overlay */
.pip-video-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.4) 0%,
        transparent 40%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

.pip-video-wrapper:hover::before {
    opacity: 1;
}

/* Click hint */
.pip-video-wrapper::after {
    content: '클릭하여 전체화면';
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: white;
    background: rgba(0, 0, 0, 0.6);
    padding: 5px 12px;
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 2;
    white-space: nowrap;
}

.pip-video-wrapper:hover::after {
    opacity: 1;
}

/* Responsive PIP */
@media (max-width: 1024px) {
    .pip-video-wrapper {
        width: 400px;
    }
}

@media (max-width: 768px) {
    .hero-pip-container {
        bottom: 20px;
        right: 20px;
    }

    .pip-video-wrapper {
        width: 320px;
    }

    .pip-close,
    .pip-expand {
        width: 36px;
        height: 36px;
    }

    .pip-close svg,
    .pip-expand svg {
        width: 18px;
        height: 18px;
    }
}

@media (max-width: 480px) {
    .hero-pip-container {
        bottom: 15px;
        right: 15px;
        left: 15px;
    }

    .pip-video-wrapper {
        width: 100%;
    }

    .pip-video-wrapper::after {
        font-size: 0.7rem;
    }
}
