:root {
    --bg-dark: #1a0b1e;
    --bg-darker: #120414;
    --neon-pink: #ff2a85;
    --neon-blue: #00f3ff;
    --text-main: #f8f8f8;
    --text-muted: #b0a8b9;
    --glass-bg: rgba(255, 42, 133, 0.1);
    --glass-border: rgba(255, 42, 133, 0.3);
}

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

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, .neon-badge, .btn-neon, .accordion-header {
    font-family: 'Jua', sans-serif;
    font-weight: 400;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center { text-align: center; }
.text-gray { color: var(--text-muted); }
.text-red { color: #ff4d4d; }
.strike { text-decoration: line-through; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mt-4 { margin-top: 4rem; }
.pt-2 { padding-top: 2rem; }
.align-left { text-align: left; }
.border-top { border-top: 1px solid var(--glass-border); }

/* Neon Typography */
.neon-text-main {
    color: #fff;
    text-shadow: 
        0 0 5px #fff,
        0 0 10px #fff,
        0 0 20px var(--neon-pink),
        0 0 40px var(--neon-pink),
        0 0 80px var(--neon-pink);
    font-size: 2.5rem;
    line-height: 1.2;
}

.neon-text-sub {
    color: #fff;
    text-shadow: 
        0 0 5px #fff,
        0 0 10px var(--neon-blue),
        0 0 20px var(--neon-blue),
        0 0 40px var(--neon-blue);
    font-size: 1.8rem;
}

.neon-pink {
    color: var(--neon-pink);
    text-shadow: 0 0 10px var(--neon-pink);
}

.neon-blue {
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
}

.large-text { font-size: 3.5rem; }

/* Sections */
.section {
    padding: 80px 0;
    position: relative;
}

.dark-section {
    background-color: var(--bg-darker);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: url('images/hero_bg.png') no-repeat center center/cover;
    background-color: var(--bg-dark); /* Fallback */
    padding: 100px 0;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(26, 11, 30, 0.75);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

/* UI Elements */
.badge.neon-badge {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    border: 1px solid var(--neon-pink);
    color: var(--neon-pink);
    box-shadow: 0 0 10px rgba(255, 42, 133, 0.5), inset 0 0 5px rgba(255, 42, 133, 0.5);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.highlight-box {
    background: rgba(255, 42, 133, 0.15);
    border: 2px solid var(--neon-pink);
    border-radius: 15px;
    padding: 20px;
    display: inline-block;
    box-shadow: 0 0 15px rgba(255, 42, 133, 0.4);
}

.highlight-box p {
    font-size: 1.5rem;
    margin: 0;
}

.highlight-box strong {
    font-size: 2.2rem;
    color: var(--neon-pink);
    font-family: 'Jua', sans-serif;
    letter-spacing: 2px;
}

.desc {
    font-size: 1.2rem;
    word-break: keep-all;
}

.btn-neon {
    display: inline-block;
    padding: 15px 40px;
    font-size: 1.5rem;
    color: #fff;
    background: var(--neon-pink);
    border: none;
    border-radius: 30px;
    text-decoration: none;
    box-shadow: 0 0 10px var(--neon-pink), 0 0 20px var(--neon-pink), inset 0 0 10px rgba(255,255,255,0.5);
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-neon:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px var(--neon-pink), 0 0 40px var(--neon-pink), inset 0 0 15px rgba(255,255,255,0.8);
}

.btn-neon.outline {
    background: transparent;
    border: 2px solid var(--neon-blue);
    color: var(--neon-blue);
    box-shadow: 0 0 10px var(--neon-blue), inset 0 0 10px var(--neon-blue);
}

.btn-neon.outline:hover {
    background: rgba(0, 243, 255, 0.1);
    box-shadow: 0 0 20px var(--neon-blue), inset 0 0 20px var(--neon-blue);
}

.cta-text {
    white-space: nowrap;
    font-size: min(2.5rem, 5.5vw);
}

.btn-group {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.check-list {
    list-style: none;
    display: inline-block;
    font-size: 1.1rem;
}

.check-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.check-icon {
    color: var(--neon-pink);
    font-weight: bold;
    text-shadow: 0 0 5px var(--neon-pink);
}

.grid-list {
    display: inline-grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px 30px;
    text-align: left;
}

@media (max-width: 500px) {
    .grid-list { grid-template-columns: 1fr; }
}

.alert-box {
    display: block;
    width: fit-content;
    margin: 2.5rem auto 1rem;
    padding: 15px 35px;
    color: #ff3b30;
    font-family: 'Jua', sans-serif;
    font-size: 1.6rem;
    line-height: 1.4;
    border: 5px double #ff3b30;
    border-radius: 15px;
    transform: rotate(-4deg);
    position: relative;
    text-align: center;
    opacity: 0.95;
    box-shadow: 0 0 15px rgba(255, 59, 48, 0.2), inset 0 0 10px rgba(255, 59, 48, 0.1);
}

.alert-box::before {
    content: "♥ OHMY ♥";
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-dark);
    padding: 0 10px;
    font-size: 1rem;
    color: #ff3b30;
    letter-spacing: 2px;
    white-space: nowrap;
}

.dark-section .alert-box::before {
    background: var(--bg-darker);
}

/* removed .alert-box.green */

/* Specific Section Styles */
.problem-cards {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 400px;
    margin: 2rem auto;
}

.problem-cards .card {
    font-size: 1.1rem;
    font-weight: bold;
}

.flow-steps {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.flow-steps .step {
    background: rgba(0, 243, 255, 0.1);
    border: 1px solid var(--neon-blue);
    padding: 15px 30px;
    border-radius: 30px;
    font-size: 1.2rem;
    box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
}

.flow-steps .arrow {
    color: var(--neon-pink);
    font-size: 1.5rem;
}

.image-box img {
    max-width: 100%;
    border-radius: 15px;
    border: 2px solid var(--neon-pink);
    box-shadow: 0 0 20px rgba(255, 42, 133, 0.5);
}

.youtube-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 2rem;
}
.youtube-grid iframe {
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: 10px;
    border: 2px solid var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.youtube-grid iframe:hover {
    border-color: var(--neon-pink);
    box-shadow: 0 0 15px rgba(255, 42, 133, 0.6);
}
@media (max-width: 600px) {
    .youtube-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.data-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

@media (max-width: 500px) {
    .data-grid { grid-template-columns: 1fr; }
}

.data-item {
    padding: 20px 10px;
}

.data-item .label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.data-item .value {
    margin-top: 5px;
}

.vs-box {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

@media (max-width: 600px) {
    .vs-box {
        flex-direction: column;
    }
    .vs-divider {
        margin: 10px 0;
    }
    .mobile-nowrap {
        white-space: nowrap;
        font-size: min(1.5rem, 5vw) !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        margin-left: auto !important;
        margin-right: auto !important;
    }
}

.vs-item {
    background: rgba(255,255,255,0.05);
    padding: 20px;
    border-radius: 15px;
    min-width: 150px;
}

.vs-item.highlight {
    background: var(--glass-bg);
    border: 1px solid var(--neon-pink);
    box-shadow: 0 0 15px rgba(255, 42, 133, 0.3);
}

.vs-divider {
    font-family: 'Jua', sans-serif;
    font-size: 1.5rem;
    color: var(--text-muted);
}

.vip-card h4 {
    font-size: 1.3rem;
}

.vip-card .price {
    font-size: 1.8rem;
    margin: 10px 0;
}

.vip-card .sub-text {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.essence-box {
    font-size: 2.5rem;
    font-family: 'Jua', sans-serif;
}

.cost-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.cost-card .price {
    font-size: 2rem;
    margin-bottom: 15px;
}

.optional-badge {
    background: var(--neon-blue);
    color: var(--bg-dark);
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 10px;
}

.limit-box {
    border: 3px dashed var(--neon-pink);
    padding: 20px;
    border-radius: 15px;
    font-size: 1.5rem;
    display: inline-block;
    background: rgba(255, 42, 133, 0.05);
}

/* Accordion FAQ */
.accordion {
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

.accordion-item {
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.accordion-header {
    width: 100%;
    padding: 20px 0;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.2rem;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--neon-pink);
    transition: transform 0.3s ease;
}

.accordion-header.active::after {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.accordion-content p {
    padding-bottom: 20px;
    color: var(--text-muted);
}

.footer {
    padding: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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