/* 기존 center-text 스타일 대신 새로운 랜딩 페이지 스타일 */
        .landing-hero {
            position: absolute;
            top: 30%;
            left: 8%;
            transform: translateY(-50%);
            z-index: 100;
            max-width: 600px;
            color: white;
            /* text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7); */
        }

        .landing-hero__subtitle {
            font-size: clamp(0.9rem, 2vw, 1.2rem);
            font-weight: 500;
            color: #00d4ff;
            margin-bottom: 10px;
            letter-spacing: 2px;
            text-transform: uppercase;
            opacity: 0;
            animation: slideInLeft 1s ease-out 0.5s forwards;
        }

        .landing-hero__title {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
            opacity: 0;
            animation: slideInLeft 1s ease-out 0.8s forwards;
        }

        .landing-hero__title span {
            display: block;
        }

        .landing-hero__title .highlight {
            background: linear-gradient(135deg, #00d4ff, #0099cc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .landing-hero__description {
            font-size: clamp(1rem, 2.5vw, 1.3rem);
            line-height: 1.6;
            margin-bottom: 30px;
            color: rgba(255, 255, 255, 0.9);
            opacity: 0;
            animation: slideInLeft 1s ease-out 1.1s forwards;
        }

        .landing-hero__buttons {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            opacity: 0;
            animation: slideInLeft 1s ease-out 1.4s forwards;
        }

        .landing-hero__btn {
            padding: 15px 30px;
            border: none;
            border-radius: 50px;
            font-size: clamp(0.9rem, 2vw, 1.1rem);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            min-width: 150px;
            justify-content: center;
        }

        .landing-hero__btn--primary {
            background: linear-gradient(135deg, #00d4ff, #0099cc);
            color: white;
            box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
        }

        .landing-hero__btn--primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(0, 212, 255, 0.4);
        }

        .landing-hero__btn--secondary {
            background: rgba(255, 255, 255, 0.1);
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(10px);
        }

        .landing-hero__btn--secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
        }

        /* 데코레이션 요소들 */
        .landing-hero__decoration {
            position: absolute;
            top: -50px;
            left: -50px;
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 153, 204, 0.1));
            border-radius: 50%;
            opacity: 0;
            animation: float 3s ease-in-out infinite, fadeIn 1s ease-out 0.2s forwards;
        }

        .landing-hero__decoration::before {
            content: '';
            position: absolute;
            top: 20px;
            right: -30px;
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 153, 204, 0.15));
            border-radius: 50%;
            animation: float 3s ease-in-out infinite 1s;
        }

        .landing-hero__stats {
            display: flex;
            gap: 30px;
            margin-top: 40px;
            opacity: 0;
            animation: slideInLeft 1s ease-out 1.7s forwards;
        }

        .landing-hero__stat {
            text-align: left;
        }

        .landing-hero__stat-number {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #00d4ff;
            display: block;
            line-height: 1;
        }

        .landing-hero__stat-label {
            font-size: clamp(0.8rem, 1.5vw, 1rem);
            color: rgba(255, 255, 255, 0.8);
            margin-top: 5px;
        }

        /* 애니메이션 키프레임 */
        @keyframes slideInLeft {
            from {
            opacity: 0;
            transform: translateX(-50px);
            }
            to {
            opacity: 1;
            transform: translateX(0);
            }
        }

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

        @keyframes float {
            0%, 100% {
            transform: translateY(0);
            }
            50% {
            transform: translateY(-10px);
            }
        }

        /* 모바일 반응형 */
        @media screen and (max-width: 768px) {
            .landing-hero {
                left: 5%;
                max-width: 90%;
            }

            .landing-hero__buttons {
                flex-direction: column;
                gap: 15px;
            }

            .landing-hero__btn {
                min-width: 200px;
            }

            .landing-hero__stats {
                gap: 20px;
                margin-top: 30px;
            }

            .landing-hero__decoration {
                width: 80px;
                height: 80px;
                top: -40px;
                left: -40px;
            }

            .landing-hero__decoration::before {
                width: 50px;
                height: 50px;
                top: 15px;
                right: -25px;
            }
        }

        @media screen and (max-width: 480px) {
            .landing-hero {
                left: 4%;
                max-width: 92%;
                top:30%
            }

            .landing-hero__stats {
                flex-direction: column;
                gap: 15px;
            }
        }

            body{
            /* padding-top: 80px; */
        }
    /* 두 번째 영상용 특별한 텍스트 애니메이션 */
    .special-text-animation {
        position: absolute;
        top: 30%;
        left: 50%;
        transform: translate(-50%, -50%);
        z-index: 100;
        width: 80%;
        max-width: 800px;
        text-align: center;
        display: none;
    }

    .morphing-text {
        font-size: clamp(2rem, 6vw, 4rem);
        font-weight: 700;
        color: transparent;
        background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4, #ffeaa7);
        background-size: 300% 300%;
        background-clip: text;
        -webkit-background-clip: text;
        animation: gradientShift 3s ease-in-out infinite, textPulse 2s ease-in-out infinite;
        text-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
        letter-spacing: 2px;
    }

    .floating-words {
        position: relative;
        height: 200px;
        margin: 40px 0;
        overflow: hidden;
    }

    .word-item {
        position: absolute;
        font-size: clamp(1.2rem, 3vw, 2rem);
        font-weight: 600;
        color: white;
        opacity: 0;
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7);
        animation: floatWords 4s ease-in-out infinite;
    }

    .word-item:nth-child(1) {
        left: 10%;
        top: 20%;
        animation-delay: 0s;
        color: #ff6b6b;
    }

    .word-item:nth-child(2) {
        right: 15%;
        top: 10%;
        animation-delay: 0.8s;
        color: #4ecdc4;
    }

    .word-item:nth-child(3) {
        left: 20%;
        bottom: 20%;
        animation-delay: 1.6s;
        color: #45b7d1;
    }

    .word-item:nth-child(4) {
        right: 10%;
        bottom: 30%;
        animation-delay: 2.4s;
        color: #96ceb4;
    }

    .word-item:nth-child(5) {
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        animation-delay: 3.2s;
        color: #ffeaa7;
    }

    .glitch-text {
        font-size: clamp(1.5rem, 4vw, 2.5rem);
        font-weight: 600;
        color: white;
        text-align: center;
        margin-top: 30px;
        position: relative;
        animation: glitchAnimation 3s linear infinite;
    }

    .glitch-text::before,
    .glitch-text::after {
        content: attr(data-text);
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }

    .glitch-text::before {
        animation: glitchTop 3s linear infinite;
        clip-path: polygon(0 0, 100% 0, 100% 33%, 0 33%);
        -webkit-clip-path: polygon(0 0, 100% 0, 100% 33%, 0 33%);
    }

    .glitch-text::after {
        animation: glitchBottom 3s linear infinite;
        clip-path: polygon(0 67%, 100% 67%, 100% 100%, 0 100%);
        -webkit-clip-path: polygon(0 67%, 100% 67%, 100% 100%, 0 100%);
    }

    .particle-container {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        overflow: hidden;
    }

    .particle {
        position: absolute;
        width: 4px;
        height: 4px;
        background: white;
        border-radius: 50%;
        animation: particleFloat 6s linear infinite;
        opacity: 0;
    }

    /* 애니메이션 키프레임 */
    @keyframes gradientShift {
        0%, 100% {
        background-position: 0% 50%;
        }
        50% {
        background-position: 100% 50%;
        }
    }

    @keyframes textPulse {
        0%, 100% {
        transform: scale(1);
        }
        50% {
        transform: scale(1.05);
        }
    }

    @keyframes floatWords {
        0% {
        opacity: 0;
        transform: translateY(30px) scale(0.8);
        }
        20% {
        opacity: 1;
        transform: translateY(0) scale(1);
        }
        80% {
        opacity: 1;
        transform: translateY(0) scale(1);
        }
        100% {
        opacity: 0;
        transform: translateY(-30px) scale(0.8);
        }
    }

    @keyframes glitchAnimation {
        0%, 100% {
        text-shadow: 
            0.05em 0 0 #ff6b6b,
            -0.05em -0.025em 0 #4ecdc4,
            0.025em 0.05em 0 #45b7d1;
        }
        15% {
        text-shadow: 
            0.05em 0 0 #ff6b6b,
            -0.05em -0.025em 0 #4ecdc4,
            0.025em 0.05em 0 #45b7d1;
        }
        16% {
        text-shadow: 
            -0.05em -0.025em 0 #ff6b6b,
            0.025em 0.025em 0 #4ecdc4,
            -0.05em -0.05em 0 #45b7d1;
        }
        49% {
        text-shadow: 
            -0.05em -0.025em 0 #ff6b6b,
            0.025em 0.025em 0 #4ecdc4,
            -0.05em -0.05em 0 #45b7d1;
        }
        50% {
        text-shadow: 
            0.025em 0.05em 0 #ff6b6b,
            0.05em 0 0 #4ecdc4,
            0 -0.05em 0 #45b7d1;
        }
        99% {
        text-shadow: 
            0.025em 0.05em 0 #ff6b6b,
            0.05em 0 0 #4ecdc4,
            0 -0.05em 0 #45b7d1;
        }
    }

    @keyframes glitchTop {
        2%, 64% {
        transform: translate(2px, -2px);
        filter: hue-rotate(0deg);
        }
        4%, 60% {
        transform: translate(-2px, 2px);
        filter: hue-rotate(90deg);
        }
        62% {
        transform: translate(13px, -1px) scaleY(1.1);
        filter: hue-rotate(180deg);
        }
    }

    @keyframes glitchBottom {
        2%, 64% {
        transform: translate(-2px, 0);
        filter: hue-rotate(180deg);
        }
        4%, 60% {
        transform: translate(-2px, 0);
        filter: hue-rotate(270deg);
        }
        62% {
        transform: translate(-22px, 5px) scaleY(0.9);
        filter: hue-rotate(0deg);
        }
    }

    @keyframes particleFloat {
        0% {
        opacity: 0;
        transform: translateY(100vh) translateX(0) rotate(0deg);
        }
        10% {
        opacity: 1;
        }
        90% {
        opacity: 1;
        }
        100% {
        opacity: 0;
        transform: translateY(-100px) translateX(100px) rotate(360deg);
        }
    }

    /* 모바일 반응형 */
    @media screen and (max-width: 768px) {
        .special-text-animation {
        width: 95%;
        }

        .floating-words {
        height: 150px;
        margin: 30px 0;
        }

        .word-item {
        font-size: clamp(1rem, 4vw, 1.5rem);
        }

        .glitch-text {
        font-size: clamp(1.2rem, 5vw, 2rem);
        margin-top: 20px;
        }
    }

      /* 세 번째 비디오용 물결 텍스트 애니메이션 */
.wavy-text-animation {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 100;
    width: 90%;
    max-width: 900px;
    text-align: center;
    display: none;
}

.wavy-container {
    position: relative;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(15px);
    border-radius: 30px;
    padding: 60px 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

/* 물결 효과 제목 */
.wavy-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: 30px;
    perspective: 1000px;
}

.wavy-char {
    display: inline-block;
    color: #fff;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    animation: wave 2s ease-in-out infinite;
    transform-origin: center bottom;
}

.wavy-char:nth-child(1) { animation-delay: 0s; }
.wavy-char:nth-child(2) { animation-delay: 0.1s; }
.wavy-char:nth-child(3) { animation-delay: 0.2s; }
.wavy-char:nth-child(4) { animation-delay: 0.3s; }
.wavy-char:nth-child(5) { animation-delay: 0.4s; }
.wavy-char:nth-child(6) { animation-delay: 0.5s; }
.wavy-char:nth-child(7) { animation-delay: 0.6s; }

@keyframes wave {
    0%, 100% {
        transform: rotateX(0deg) rotateY(0deg) scale(1);
        color: #fff;
    }
    25% {
        transform: rotateX(-15deg) rotateY(15deg) scale(1.1);
        color: #00d4ff;
        text-shadow: 0 0 30px rgba(0, 212, 255, 0.8);
    }
    50% {
        transform: rotateX(15deg) rotateY(-15deg) scale(0.9);
        color: #ff6b6b;
        text-shadow: 0 0 30px rgba(255, 107, 107, 0.8);
    }
    75% {
        transform: rotateX(-10deg) rotateY(10deg) scale(1.05);
        color: #4ecdc4;
        text-shadow: 0 0 30px rgba(78, 205, 196, 0.8);
    }
}

/* 펄스 서브타이틀 */
.pulse-subtitle {
    font-size: clamp(1.2rem, 3vw, 2rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.7;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
        color: #ffd700;
        text-shadow: 0 0 20px rgba(255, 215, 0, 0.6);
    }
}

/* 회전 요소들 */
.rotating-elements {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.rotating-item {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    animation: rotate3D 4s linear infinite;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
}

.rotating-item:nth-child(1) { animation-delay: 0s; }
.rotating-item:nth-child(2) { animation-delay: -1s; }
.rotating-item:nth-child(3) { animation-delay: -2s; }
.rotating-item:nth-child(4) { animation-delay: -3s; }

.rotating-item:hover {
    transform: scale(1.2);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
}

.rotating-item::after {
    content: attr(data-text);
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.rotating-item:hover::after {
    opacity: 1;
}

@keyframes rotate3D {
    0% {
        transform: rotateY(0deg) rotateX(0deg);
    }
    25% {
        transform: rotateY(90deg) rotateX(0deg);
    }
    50% {
        transform: rotateY(180deg) rotateX(0deg);
    }
    75% {
        transform: rotateY(270deg) rotateX(0deg);
    }
    100% {
        transform: rotateY(360deg) rotateX(0deg);
    }
}

/* 진행 바 텍스트 */
.progress-text {
    margin-top: 40px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 15px;
    position: relative;
}

.progress-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #00d4ff, #4ecdc4, #96ceb4, #ffeaa7);
    border-radius: 4px;
    animation: progressFill 5s ease-in-out infinite;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 20px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6));
    animation: shimmer 2s ease-in-out infinite;
}

@keyframes progressFill {
    0% { width: 0%; }
    50% { width: 100%; }
    100% { width: 0%; }
}

@keyframes shimmer {
    0% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 0; }
}

.progress-label {
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    animation: labelGlow 2s ease-in-out infinite alternate;
}

@keyframes labelGlow {
    0% {
        text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
    }
    100% {
        text-shadow: 0 0 20px rgba(0, 212, 255, 0.6);
    }
}

/* 반응형 조정 */
@media (max-width: 768px) {
    .wavy-container {
        padding: 40px 20px;
        border-radius: 20px;
    }
    
    .rotating-elements {
        gap: 25px;
    }
    
    .rotating-item {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .rotating-item::after {
        font-size: 0.7rem;
        bottom: -25px;
    }
}

@media (max-width: 480px) {
    .wavy-container {
        padding: 30px 15px;
    }
    
    .rotating-elements {
        gap: 20px;
    }
    
    .rotating-item {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

/* 엔트리 애니메이션 */
.wavy-text-animation.show .wavy-container {
    animation: containerSlideIn 1s ease-out;
}

@keyframes containerSlideIn {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}


/* GOODTIER 브랜드 애니메이션 스타일 */
       .goodtier-brand-animation {
            position: absolute;
            top: 20%;
            left: 0;
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 3;
            opacity: 0;
            transition: opacity 1s ease-in-out;
        }

        .brand-container {
            text-align: center;
            max-width: 1000px;
            padding: 40px;
            position: relative;
            margin: 0 auto; /* 추가: 중앙 정렬 확실히 */
        }

        .goodtier-brand-animation.show {
            opacity: 1;
        }

        /* .brand-container {
            text-align: center;
            max-width: 1000px;
            padding: 40px;
            position: relative;
        } */

        /* 브랜드 타이틀 스타일 */
        .brand-title {
            font-size: clamp(2rem, 8vw, 6rem);
            font-weight: 900;
            margin-bottom: 30px;
            letter-spacing: 0.1em;
            position: relative;
        }

        .brand-char {
            display: inline-block;
            background: linear-gradient(135deg, #60a5fa, #34d399, #fbbf24);
            background-size: 200% 200%;
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            animation: brandCharReveal 0.8s ease-out forwards,
                    gradientShift 3s ease-in-out infinite;
            opacity: 0;
            transform: translateY(50px) rotateX(90deg);
        }

        .brand-char:nth-child(1) { animation-delay: 0s; }
        .brand-char:nth-child(2) { animation-delay: 0.1s; }
        .brand-char:nth-child(3) { animation-delay: 0.2s; }
        .brand-char:nth-child(4) { animation-delay: 0.3s; }
        .brand-char:nth-child(5) { animation-delay: 0.4s; }
        .brand-char:nth-child(6) { animation-delay: 0.5s; }
        .brand-char:nth-child(7) { animation-delay: 0.6s; }
        .brand-char:nth-child(8) { animation-delay: 0.7s; }

        /* 브랜드 슬로건 스타일 */
        .brand-slogan {
            margin-bottom: 40px;
            animation: slideInFromLeft 1s ease-out 1.2s forwards;
            opacity: 0;
            transform: translateX(-100px);
        }

        .slogan-line {
            font-size: clamp(1.2rem, 3vw, 2rem);
            margin-bottom: 10px;
        }

        .slogan-text {
            color: #e2e8f0;
            margin-right: 15px;
        }

        .slogan-highlight {
            background: linear-gradient(135deg, #f59e0b, #ef4444);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: bold;
            position: relative;
        }

        .slogan-highlight::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, #f59e0b, #ef4444);
            animation: underlineExpand 1s ease-out 2s forwards;
            transform: scaleX(0);
            transform-origin: left;
        }

        /* 서비스 설명 스타일 */
        .service-description {
            margin-bottom: 25px;
            animation: fadeInUp 1s ease-out 2.5s forwards;
            opacity: 0;
            transform: translateY(30px);
        }

        .service-line {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            padding: 15px;
            /* background: rgba(255, 255, 255, 0.05); */
            backdrop-filter: blur(10px);
            border-radius: 15px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }

        .service-line:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .service-icon {
            font-size: 2rem;
            margin-right: 15px;
            animation: bounce 2s infinite;
        }

        .service-text {
            font-size: clamp(0.8rem, 2.5vw, 1.3rem);
            color: #f1f5f9;
            font-weight: 500;
        }

        /* 타이핑 애니메이션 */
        .typing-text {
            overflow: hidden;
            border-right: 3px solid #60a5fa;
            white-space: nowrap;
            animation: typing 3s steps(50) 3s forwards,
                    blinkCursor 1s infinite;
            width: 0;
        }

        /* 키워드 클라우드 스타일 */
        .keyword-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            margin-top: 30px;
            animation: fadeInScale 1s ease-out 4s forwards;
            opacity: 0;
            transform: scale(0.8);
        }

        .keyword-item {
            padding: 10px 20px;
            background: linear-gradient(135deg, rgba(96, 165, 250, 0.2), rgba(52, 211, 153, 0.2));
            border: 1px solid rgba(96, 165, 250, 0.3);
            border-radius: 25px;
            color: #e2e8f0;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.3s ease;
            animation: floatIn 1s ease-out forwards;
            opacity: 0;
            transform: translateY(20px);
        }

        .keyword-item:nth-child(1) { animation-delay: 4.5s; }
        .keyword-item:nth-child(2) { animation-delay: 4.7s; }
        .keyword-item:nth-child(3) { animation-delay: 4.9s; }
        .keyword-item:nth-child(4) { animation-delay: 5.1s; }
        .keyword-item:nth-child(5) { animation-delay: 5.3s; }
        .keyword-item:nth-child(6) { animation-delay: 5.5s; }

        .keyword-item:hover {
            transform: translateY(-5px) scale(1.1);
            background: linear-gradient(135deg, rgba(96, 165, 250, 0.4), rgba(52, 211, 153, 0.4));
            box-shadow: 0 10px 25px rgba(96, 165, 250, 0.3);
        }

        /* 파티클 배경 */
        .brand-particles {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: -1;
        }

        .brand-particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: #60a5fa;
            border-radius: 50%;
            animation: particleFloat 6s linear infinite;
            opacity: 0.6;
        }

        /* 애니메이션 키프레임 */
        @keyframes brandCharReveal {
            to {
                opacity: 1;
                transform: translateY(0) rotateX(0);
            }
        }

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

        @keyframes slideInFromLeft {
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes underlineExpand {
            to {
                transform: scaleX(1);
            }
        }

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

        @keyframes fadeInScale {
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

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

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

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

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateY(0);
            }
            40% {
                transform: translateY(-10px);
            }
            60% {
                transform: translateY(-5px);
            }
        }

        @keyframes particleFloat {
            0% {
                transform: translateY(100vh) rotate(0deg);
                opacity: 0;
            }
            10% {
                opacity: 0.6;
            }
            90% {
                opacity: 0.6;
            }
            100% {
                transform: translateY(-100px) rotate(360deg);
                opacity: 0;
            }
        }

        /* 반응형 디자인 */
        @media (max-width: 768px) {
            .brand-container {
                padding: 20px;
            }
            
            .service-line {
                flex-direction: column;
                text-align: center;
            }
            
            .service-icon {
                margin-right: 0;
                margin-bottom: 10px;
            }
            
            .keyword-cloud {
                justify-content: center;
            }
        }