/* ============================================
   NU-MAKERS Community Website Styles
   Primary Color: #00B050 (Nucode Green)
   Secondary Color: #FF6B35 (Orange)
   ============================================ */

/* ============================================
   G마켓 산스 폰트
   ============================================ */
@font-face {
    font-family: 'GmarketSans';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2001@1.1/GmarketSansLight.woff') format('woff');
    font-weight: 300;
    font-style: normal;
}

@font-face {
    font-family: 'GmarketSans';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2001@1.1/GmarketSansMedium.woff') format('woff');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'GmarketSans';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2001@1.1/GmarketSansBold.woff') format('woff');
    font-weight: 700;
    font-style: normal;
}

/* ============================================
   CSS Variables & Reset
   ============================================ */
:root {
    /* VIBE HACKATHON - Neon Green & Cyberpunk Style */
    --primary-color: #00FF87;
    --primary-dark: #00D96F;
    --primary-light: #5AFFB0;
    --secondary-color: #00D9FF;
    --secondary-dark: #00B8D9;
    --secondary-light: #5AE4FF;
    --accent-purple: #B066FF;
    --accent-blue: #5A9EFF;
    --accent-pink: #FF66E5;
    --accent-orange: #FF9966;
    --text-dark: #E0E6F0;
    --text-medium: #B0BAD0;
    --text-light: #7A8599;
    --bg-white: #0F1628;
    --bg-light: #1A1F3A;
    --bg-dark: #0A0E1F;
    --bg-card: #151B2E;
    --border-color: #E0E0E0;
    --neon-glow: 0 0 30px rgba(156, 39, 176, 0.4);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'GmarketSans', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #E0E6F0;
    background: 
        radial-gradient(ellipse at top left, rgba(0, 255, 135, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at top right, rgba(0, 217, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(176, 102, 255, 0.06) 0%, transparent 50%),
        linear-gradient(180deg, #0A0E27 0%, #1A1F3A 100%);
    background-attachment: fixed;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* ============================================
   Container & Layout
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 31, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid rgba(0, 255, 135, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    z-index: 1000;
}

.navbar {
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 26px;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'GmarketSans', sans-serif;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-img {
    /* Remove dark background - show only green logo */
    background: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    /* Enhance green color and remove any dark areas */
    filter: brightness(2.0) contrast(1.3) saturate(1.2);
    mix-blend-mode: screen;
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--text-medium);
    position: relative;
    padding: 5px 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--primary-color);
    cursor: pointer;
}

/* ============================================
   Hero Section - CES 2025 DIVE IN Style (Bright)
   ============================================ */
.hero {
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(0, 255, 135, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(0, 217, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(176, 102, 255, 0.15) 0%, transparent 60%),
        linear-gradient(135deg, 
            #0A0E27 0%, 
            #151B35 25%, 
            #1A1F3A 50%, 
            #0F1628 75%, 
            #0A0E27 100%);
    color: var(--text-dark);
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
}

/* Tech Grid Pattern */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 135, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 135, 0.1) 1px, transparent 1px),
        linear-gradient(rgba(0, 217, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 217, 255, 0.05) 1px, transparent 1px);
    background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
    animation: gridMove 20s linear infinite;
    z-index: 0;
}

/* Scanning Line Effect */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--primary-color) 50%, 
        transparent 100%);
    box-shadow: 0 0 20px var(--primary-color);
    animation: scanLine 8s ease-in-out infinite;
    z-index: 1;
}

@keyframes gridMove {
    0% {
        background-position: 0 0, 0 0, 0 0, 0 0;
    }
    100% {
        background-position: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
    }
}

@keyframes scanLine {
    0%, 100% {
        top: 0;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        top: 100%;
        opacity: 0;
    }
}

/* Neon Glow Overlay - CES Style */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.8;
}

.hero-overlay::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(0, 255, 135, 0.2) 0%, transparent 40%),
        radial-gradient(ellipse at 80% 70%, rgba(0, 217, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(176, 102, 255, 0.1) 0%, transparent 50%);
    animation: neonPulse 6s ease-in-out infinite;
}

.hero-overlay::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: 
        radial-gradient(ellipse at 60% 40%, rgba(0, 217, 255, 0.15) 0%, transparent 35%),
        radial-gradient(ellipse at 30% 80%, rgba(0, 255, 135, 0.15) 0%, transparent 35%),
        radial-gradient(circle at 70% 60%, rgba(255, 102, 229, 0.08) 0%, transparent 30%);
    animation: neonPulse 8s ease-in-out infinite reverse;
}

@keyframes neonPulse {
    0%, 100% {
        opacity: 1;
        filter: blur(40px);
    }
    50% {
        opacity: 0.6;
        filter: blur(60px);
    }
}

/* Animated SVG Waves - Enhanced */
.hero-waves {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 250px;
    z-index: 0;
    opacity: 0.8;
}

.wave-path {
    animation: waveAnimation 15s ease-in-out infinite;
    transform-origin: center bottom;
}

.wave-1 {
    animation-duration: 10s;
    animation-delay: 0s;
    fill: rgba(0, 255, 135, 0.1);
    filter: drop-shadow(0 0 10px rgba(0, 255, 135, 0.5));
}

.wave-2 {
    animation-duration: 16s;
    animation-delay: -3s;
    fill: rgba(0, 217, 255, 0.08);
    filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.4));
}

.wave-3 {
    animation-duration: 13s;
    animation-delay: -7s;
    fill: rgba(176, 102, 255, 0.06);
    filter: drop-shadow(0 0 10px rgba(176, 102, 255, 0.3));
}

@keyframes waveAnimation {
    0%, 100% {
        transform: translateX(0) translateY(0) scaleX(1) scaleY(1);
    }
    25% {
        transform: translateX(-40px) translateY(-10px) scaleX(1.05) scaleY(1.08);
    }
    50% {
        transform: translateX(-20px) translateY(5px) scaleX(0.98) scaleY(0.92);
    }
    75% {
        transform: translateX(40px) translateY(-8px) scaleX(1.03) scaleY(1.1);
    }
}

/* Floating Particles */
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.3;
    filter: blur(40px);
}

.particle-1 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 184, 212, 0.3), transparent);
    top: 10%;
    left: 5%;
    animation: floatParticle 20s ease-in-out infinite, colorShift 8s ease-in-out infinite;
}

.particle-2 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(156, 39, 176, 0.25), transparent);
    top: 60%;
    left: 75%;
    animation: floatParticle 25s ease-in-out infinite reverse, colorShift 10s ease-in-out infinite;
}

.particle-3 {
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(233, 30, 99, 0.3), transparent);
    top: 30%;
    left: 50%;
    animation: floatParticle 18s ease-in-out infinite, colorShift 7s ease-in-out infinite;
    animation-delay: -5s;
}

.particle-4 {
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(255, 152, 0, 0.25), transparent);
    top: 70%;
    left: 15%;
    animation: floatParticle 22s ease-in-out infinite, colorShift 9s ease-in-out infinite;
    animation-delay: -8s;
}

.particle-5 {
    width: 190px;
    height: 190px;
    background: radial-gradient(circle, rgba(255, 64, 129, 0.28), transparent);
    top: 5%;
    left: 70%;
    animation: floatParticle 16s ease-in-out infinite reverse, colorShift 6s ease-in-out infinite;
    animation-delay: -3s;
}

.particle-6 {
    width: 210px;
    height: 210px;
    background: radial-gradient(circle, rgba(33, 150, 243, 0.25), transparent);
    top: 45%;
    left: 30%;
    animation: floatParticle 24s ease-in-out infinite, colorShift 11s ease-in-out infinite;
    animation-delay: -10s;
}

@keyframes colorShift {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

@keyframes floatParticle {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    25% {
        transform: translate(100px, -80px) scale(1.2);
        opacity: 0.6;
    }
    50% {
        transform: translate(-50px, -150px) scale(0.8);
        opacity: 0.4;
    }
    75% {
        transform: translate(-120px, -60px) scale(1.1);
        opacity: 0.5;
    }
}

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

.hero-main-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.hero-content {
    text-align: left;
}

.hero-image {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 
        0 20px 60px rgba(156, 39, 176, 0.3),
        0 0 80px rgba(0, 184, 212, 0.2);
}

.hero-image a {
    display: block;
    cursor: pointer;
}

.hero-maker-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 30px;
    transition: var(--transition);
}

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

.hero-image-glow {
    position: absolute;
    inset: -10px;
    background: linear-gradient(135deg, var(--accent-purple), var(--primary-color), var(--secondary-color));
    border-radius: 35px;
    z-index: -1;
    opacity: 0.5;
    filter: blur(30px);
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

.hero-title {
    font-size: 72px;
    font-weight: 700;
    margin-bottom: 25px;
    animation: fadeInUp 0.8s ease;
    font-family: 'GmarketSans', sans-serif;
    letter-spacing: 8px;
    text-transform: uppercase;
    background: linear-gradient(
        135deg, 
        #00FF87 0%, 
        #00D9FF 30%,
        #B066FF 60%,
        #FF66E5 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
    position: relative;
    filter: drop-shadow(0 4px 8px rgba(156, 39, 176, 0.3));
}

.hero-title::after {
    content: '';
    display: none;
}

@keyframes gradientShift {
    0% {
        background-position: 0% center;
    }
    50% {
        background-position: 100% center;
    }
    100% {
        background-position: 0% center;
    }
}

@keyframes rainbowGlow {
    0%, 100% {
        filter: 
            drop-shadow(0 0 30px rgba(0, 255, 209, 1))
            drop-shadow(0 0 60px rgba(157, 78, 221, 0.8));
    }
    33% {
        filter: 
            drop-shadow(0 0 30px rgba(255, 0, 255, 1))
            drop-shadow(0 0 60px rgba(255, 0, 110, 0.8));
    }
    66% {
        filter: 
            drop-shadow(0 0 30px rgba(157, 78, 221, 1))
            drop-shadow(0 0 60px rgba(0, 255, 209, 0.8));
    }
}

.hero-subtitle {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease 0.2s backwards;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 3px;
    font-family: 'GmarketSans', sans-serif;
}

.hero-description {
    font-size: 18px;
    margin-bottom: 35px;
    animation: fadeInUp 0.8s ease 0.4s backwards;
    color: var(--text-medium);
    letter-spacing: 1px;
    font-weight: 300;
    line-height: 1.8;
    font-family: 'GmarketSans', sans-serif;
}

@keyframes neonGlow {
    0%, 100% {
        filter: brightness(1) drop-shadow(0 0 20px rgba(0, 255, 135, 0.8));
    }
    50% {
        filter: brightness(1.2) drop-shadow(0 0 40px rgba(0, 255, 135, 1));
    }
}

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

.hero-video {
    max-width: 1000px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.video-title {
    font-size: 28px;
    font-weight: 500;
    text-align: center;
    margin-bottom: 30px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'GmarketSans', sans-serif;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.15),
        0 0 0 3px rgba(156, 39, 176, 0.2);
    border: 3px solid transparent;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-purple)) border-box;
}

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

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 16px 40px;
    border-radius: 0;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 16px;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-family: 'GmarketSans', sans-serif;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #0A0E1F;
    border: 2px solid transparent;
    box-shadow: 
        0 0 20px rgba(157, 78, 221, 0.6),
        0 0 40px rgba(255, 0, 255, 0.4),
        inset 0 0 20px rgba(255, 255, 255, 0.2);
    font-weight: 800;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-pink));
    transition: left 0.3s ease;
    z-index: -1;
}

.btn-primary:hover {
    color: #ffffff;
    box-shadow: 
        0 0 40px rgba(157, 78, 221, 1),
        0 0 80px rgba(255, 0, 255, 0.8),
        inset 0 0 30px rgba(255, 255, 255, 0.3);
    transform: translateY(-5px) scale(1.05);
}

.btn-primary:hover::before {
    left: 0;
}

.btn-secondary {
    background: transparent;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    box-shadow: 
        0 0 10px rgba(0, 217, 255, 0.5),
        inset 0 0 10px rgba(0, 217, 255, 0.2);
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--secondary-color);
    transition: left 0.3s ease;
    z-index: -1;
}

.btn-secondary:hover {
    color: #0A0E1F;
    box-shadow: 
        0 0 20px rgba(0, 217, 255, 1),
        inset 0 0 20px rgba(0, 217, 255, 0.4);
    transform: translateY(-3px);
}

.btn-secondary:hover::before {
    left: 0;
}

/* ============================================
   Section Titles
   ============================================ */
.section-title {
    font-size: 52px;
    font-weight: 500;
    text-align: center;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'GmarketSans', sans-serif;
    letter-spacing: 6px;
    text-transform: uppercase;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(157, 78, 221, 0.8));
}

.section-title::after {
    content: '';
    display: block;
    width: 150px;
    height: 3px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--primary-color) 20%, 
        var(--secondary-color) 50%,
        var(--accent-purple) 80%,
        transparent);
    margin: 25px auto 0;
    box-shadow: 0 0 20px rgba(157, 78, 221, 0.8);
    animation: lineGlow 2s ease-in-out infinite;
}

@keyframes lineGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(157, 78, 221, 0.8);
    }
    50% {
        box-shadow: 0 0 40px rgba(255, 0, 255, 1);
    }
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-medium);
    margin-bottom: 60px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ============================================
   Mission Section - Neon Cyberpunk Style
   ============================================ */
.mission {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-white) 100%);
    position: relative;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.mission-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    border: 3px solid transparent;
    background-clip: padding-box;
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.08),
        0 0 0 3px transparent;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.mission-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(0, 184, 212, 0.05), 
        rgba(156, 39, 176, 0.05), 
        rgba(233, 30, 99, 0.05));
    opacity: 0;
    transition: opacity 0.6s ease;
    z-index: -1;
}

.mission-card::after {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-purple), var(--secondary-color));
    border-radius: 20px;
    z-index: -2;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.mission-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 
        0 20px 60px rgba(156, 39, 176, 0.25),
        0 0 0 3px rgba(156, 39, 176, 0.3);
}

.mission-card:hover::before {
    opacity: 1;
}

.mission-card:hover::after {
    opacity: 1;
}

.mission-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, 
        rgba(0, 184, 212, 0.1), 
        rgba(156, 39, 176, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-purple) 50%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    box-shadow: 
        0 10px 30px rgba(156, 39, 176, 0.15);
    transition: var(--transition);
    position: relative;
}

.mission-icon::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-purple), var(--secondary-color));
    z-index: -1;
    animation: rotate 4s linear infinite;
    padding: 4px;
    -webkit-mask: 
        linear-gradient(#fff 0 0) content-box, 
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.mission-card:hover .mission-icon {
    box-shadow: 
        0 15px 50px rgba(156, 39, 176, 0.35);
    transform: scale(1.1);
}

.mission-card:hover .mission-icon::before {
    animation: rotate 1.5s linear infinite;
}

.mission-card h3 {
    font-size: 26px;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'GmarketSans', sans-serif;
    letter-spacing: 2px;
    font-weight: 500;
}

.mission-card p {
    color: var(--text-medium);
    line-height: 1.7;
}

/* ============================================
   Gallery Section - Neon Cyberpunk Style
   ============================================ */
.gallery {
    background: var(--bg-dark);
    padding: 80px 0 60px;
    position: relative;
}

.gallery-slider-container {
    width: 100%;
    overflow: hidden;
    margin: 50px 0;
    position: relative;
}

.gallery-slider {
    display: flex;
    gap: 20px;
    animation: slideLeft 40s linear infinite;
    width: fit-content;
}

.gallery-slider:hover {
    animation-play-state: paused;
}

@keyframes slideLeft {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.gallery-slide-item {
    flex-shrink: 0;
    width: 400px;
    height: 300px;
    border-radius: 0;
    overflow: hidden;
    border: 2px solid rgba(0, 217, 255, 0.3);
    box-shadow: 
        0 0 20px rgba(0, 217, 255, 0.3),
        inset 0 0 20px rgba(0, 217, 255, 0.1);
    transition: var(--transition);
    position: relative;
}

.gallery-slide-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 255, 135, 0.2) 0%, rgba(0, 217, 255, 0.2) 100%);
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

.gallery-slide-item:hover {
    transform: scale(1.05);
    border-color: var(--secondary-color);
    box-shadow: 
        0 0 40px rgba(0, 217, 255, 0.8),
        inset 0 0 40px rgba(0, 217, 255, 0.2);
    z-index: 10;
}

.gallery-slide-item:hover::before {
    opacity: 1;
}

.gallery-slide-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gallery-link {
    text-align: center;
    margin-top: 30px;
}

.gallery-links {
    text-align: center;
    margin-top: 40px;
}

/* ============================================
   About Section - Neon Cyberpunk Style
   ============================================ */
.about {
    background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-dark) 100%);
    position: relative;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin: 30px 0 15px;
    font-weight: 600;
}

.about-text .lead {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: 25px;
}

.feature-list {
    list-style: none;
    margin-top: 20px;
}

.feature-list li {
    display: flex;
    align-items: start;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.6;
}

.feature-list i {
    color: var(--primary-color);
    font-size: 22px;
    margin-top: 2px;
    flex-shrink: 0;
}

.board-showcase {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 100px;
}

.board-showcase h4 {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 25px;
    text-align: center;
    font-weight: 600;
}

.board-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.board-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: var(--bg-light);
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.board-item:hover {
    background: var(--primary-color);
    color: var(--bg-white);
    transform: translateX(5px);
}

.board-item i {
    font-size: 24px;
    color: var(--primary-color);
}

.board-item:hover i {
    color: var(--bg-white);
}

.board-item span {
    font-weight: 500;
    font-size: 16px;
}

.board-note {
    text-align: center;
    margin-top: 20px;
    padding: 10px;
    background: var(--primary-light);
    color: var(--bg-white);
    border-radius: 5px;
    font-weight: 500;
}

/* ============================================
   Projects Section - Neon Cyberpunk Style
   ============================================ */
.projects {
    background: var(--bg-white);
    position: relative;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--bg-white);
    border-radius: 20px;
    overflow: hidden;
    border: 2px solid rgba(156, 39, 176, 0.1);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-purple);
    box-shadow: 
        0 20px 60px rgba(156, 39, 176, 0.2);
}

.project-image {
    height: 200px;
    background: 
        radial-gradient(ellipse at center, rgba(156, 39, 176, 0.1) 0%, transparent 70%),
        linear-gradient(135deg, 
            rgba(0, 184, 212, 0.05), 
            rgba(233, 30, 99, 0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 4px 8px rgba(156, 39, 176, 0.2));
    border-bottom: 2px solid rgba(156, 39, 176, 0.1);
}

.project-content {
    padding: 25px;
}

.project-content h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--text-dark);
    font-family: 'GmarketSans', sans-serif;
    letter-spacing: 1px;
    font-weight: 500;
}

.project-content p {
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: 15px;
}

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

.tag {
    display: inline-block;
    padding: 6px 14px;
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 0;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: 0 0 10px rgba(0, 255, 135, 0.3);
    transition: var(--transition);
}

.tag:hover {
    background: var(--primary-color);
    color: #000000;
    box-shadow: 0 0 20px rgba(0, 255, 135, 0.8);
}

/* ============================================
   Guide Section
   ============================================ */
.guide {
    background: var(--bg-light);
}

.guide-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.guide-steps {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.step-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    position: relative;
    padding-left: 100px;
}

.step-number {
    position: absolute;
    left: 30px;
    top: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 600;
}

.step-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--text-dark);
    font-weight: 600;
}

.step-card p {
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 15px;
}

.code-block {
    background: #000000;
    color: var(--primary-color);
    padding: 15px 20px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    margin: 15px 0;
}

.code-block code {
    color: var(--primary-light);
}

.step-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 10px;
}

.step-link:hover {
    color: var(--secondary-color);
}

.board-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    margin-top: 10px;
    cursor: pointer;
    transition: var(--transition);
}

.board-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.guide-sidebar {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-box {
    background: var(--bg-white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 100px;
}

.info-box h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.info-box h4 i {
    color: var(--primary-color);
}

.info-box ul {
    list-style: none;
}

.info-box li {
    margin-bottom: 10px;
}

.info-box a {
    color: var(--text-medium);
    display: block;
    padding: 8px 0;
    transition: var(--transition);
}

.info-box a:hover {
    color: var(--primary-color);
    padding-left: 10px;
}

/* ============================================
   Reference Code Section
   ============================================ */
.reference {
    background: var(--bg-white);
}

.code-categories {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.code-tab {
    padding: 12px 30px;
    background: var(--bg-light);
    border: 2px solid transparent;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-medium);
    cursor: pointer;
    transition: var(--transition);
}

.code-tab:hover {
    background: var(--primary-light);
    color: var(--bg-white);
}

.code-tab.active {
    background: var(--primary-color);
    color: var(--bg-white);
    border-color: var(--primary-color);
}

.code-examples {
    position: relative;
}

.code-category {
    display: none;
}

.code-category.active {
    display: block;
}

.code-example {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    position: relative;
}

.code-example h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.code-example h3 i {
    color: var(--primary-color);
}

.code-example > p {
    color: var(--text-medium);
    margin-bottom: 20px;
}

.code-example pre {
    background: #000000;
    color: #E0E6F0;
    padding: 25px;
    border-radius: 10px;
    overflow-x: auto;
    margin-bottom: 15px;
    font-family: 'Courier New', Consolas, Monaco, monospace;
    line-height: 1.6;
    font-size: 14px;
}

.code-example pre code {
    display: block;
}

.btn-copy {
    position: absolute;
    top: 30px;
    right: 30px;
    padding: 8px 16px;
    background: var(--secondary-color);
    color: var(--bg-white);
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.btn-copy:hover {
    background: var(--secondary-dark);
    transform: scale(1.05);
}

/* ============================================
   Partners & Sponsors Section - Neon Cyberpunk Style
   ============================================ */
.partners {
    background: var(--bg-light);
    padding: 80px 0;
    position: relative;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.partner-item {
    background: #FFFFFF;
    border-radius: 15px;
    overflow: hidden;
    border: 2px solid rgba(0, 255, 135, 0.2);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.1),
        0 0 20px rgba(0, 255, 135, 0.1);
    transition: var(--transition);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 30px;
    aspect-ratio: 3/2;
}

.partner-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(0, 255, 135, 0.03), 
        rgba(0, 217, 255, 0.03));
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
    pointer-events: none;
}

.partner-item:hover {
    transform: translateY(-10px) scale(1.05);
    border-color: var(--primary-color);
    box-shadow: 
        0 20px 50px rgba(0, 255, 135, 0.3),
        0 0 40px rgba(0, 217, 255, 0.3);
    z-index: 10;
}

.partner-item:hover::before {
    opacity: 1;
}

.partner-item img {
    max-width: 85%;
    max-height: 85%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    filter: grayscale(0.2) brightness(0.95);
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.partner-item:hover img {
    filter: grayscale(0) brightness(1);
    transform: scale(1.08);
}

/* Responsive Grid */
@media (max-width: 1200px) {
    .partners-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 25px;
    }
}

@media (max-width: 992px) {
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .partner-item {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .partners-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

/* ============================================
   Footer - Neon Cyberpunk Style
   ============================================ */
.footer {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #050812 100%);
    color: var(--text-dark);
    padding: 60px 0 30px;
    border-top: 3px solid transparent;
    border-image: linear-gradient(90deg, var(--primary-color), var(--accent-purple), var(--secondary-color)) 1;
    box-shadow: 0 -10px 40px rgba(0, 255, 135, 0.2);
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 24px;
    margin-bottom: 15px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'GmarketSans', sans-serif;
    letter-spacing: 2px;
    font-weight: 600;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-dark);
    font-family: 'GmarketSans', sans-serif;
    letter-spacing: 1px;
    font-weight: 600;
}

.footer-section p {
    color: var(--text-medium);
    line-height: 1.7;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: var(--text-medium);
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-purple));
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(156, 39, 176, 0.3);
}

.social-links a:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-pink));
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 25px rgba(233, 30, 99, 0.4);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 255, 135, 0.2);
    color: var(--text-light);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 992px) {
    .hero-main-section {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(10, 14, 31, 0.98);
        backdrop-filter: blur(10px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 40px rgba(0, 255, 135, 0.3);
        border-top: 2px solid rgba(0, 255, 135, 0.5);
        padding: 30px 0;
        gap: 20px;
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-toggle {
        display: block;
    }

    .hero-title {
        font-size: 64px;
        letter-spacing: 6px;
    }

    .hero-subtitle {
        font-size: 22px;
    }

    .section-title {
        font-size: 36px;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .board-showcase {
        position: static;
    }

    .guide-content {
        grid-template-columns: 1fr;
    }

    .info-box {
        position: static;
    }

    .step-card {
        padding-left: 30px;
        padding-top: 80px;
    }

    .step-number {
        left: 50%;
        transform: translateX(-50%);
        top: 20px;
    }

    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .gallery-slide-item {
        width: 350px;
        height: 260px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-title {
        font-size: 52px;
        letter-spacing: 4px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .section-title {
        font-size: 32px;
    }

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

    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-slide-item {
        width: 300px;
        height: 225px;
    }

    .code-categories {
        flex-direction: column;
    }

    .code-tab {
        width: 100%;
    }

    .btn-copy {
        position: static;
        margin-top: 15px;
        width: 100%;
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 40px;
        letter-spacing: 3px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-description {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .logo span {
        display: none;
    }

    .code-example pre {
        font-size: 12px;
        padding: 15px;
    }
    
    .gallery-slide-item {
        width: 280px;
        height: 210px;
    }
}