@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');
.landing-page {

    --bg-color: #0a0f1d;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover-bg: rgba(255, 255, 255, 0.06);
    --card-hover-border: rgba(0, 242, 254, 0.4);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-blue: #00f2fe;
    --accent-purple: #9b51e0;
    --gradient-primary: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    --gradient-purple: linear-gradient(135deg, #9b51e0 0%, #e0c3fc 100%);
    --gradient-dark: linear-gradient(180deg, #13192e 0%, #0a0f1d 100%);
    --font-heading: 'Outfit', 'Noto Sans KR', sans-serif;
    --font-body: 'Noto Sans KR', 'Outfit', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container-max: 1200px;
    --container-padding-x: 2rem;
    --section-padding-top: 8rem;
    --section-padding-bottom: 5rem;

    background-color: var(--bg-color);
    background-image: radial-gradient(circle at 10% 20%, rgba(0, 242, 254, 0.05) 0%, transparent 40%),
                      radial-gradient(circle at 90% 80%, rgba(155, 81, 224, 0.05) 0%, transparent 40%);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

.landing-page *,
.landing-page *::before,
.landing-page *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}


.landing-page button.option-card {
    width: 100%;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
    font: inherit;
    color: inherit;
}

/* Header & Navigation */
.landing-page header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 15, 29, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
}

.landing-page .page-container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding-x);
    padding-right: var(--container-padding-x);
}

.landing-page .nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 1rem var(--container-padding-x);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.landing-page .logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.landing-page .logo span {
    color: var(--text-primary);
    -webkit-text-fill-color: var(--text-primary);
    font-weight: 300;
}

.landing-page .nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.landing-page .nav-item a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-family: var(--font-heading);
    transition: var(--transition-smooth);
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

.landing-page .nav-item a:hover, .landing-page .nav-item.active a {
    color: var(--text-primary);
}

.landing-page .nav-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
}

.landing-page .nav-item a:hover::after, .landing-page .nav-item.active a::after {
    width: 100%;
}

.landing-page .nav-btn {
    background: var(--gradient-primary);
    color: #000;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
}

.landing-page .nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(0, 242, 254, 0.5);
    color: #000;
}

.landing-page .nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.landing-page .nav-btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    box-shadow: none;
}

.landing-page .nav-btn-outline:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    box-shadow: none;
}

/* Sections General */
.landing-page section {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--section-padding-top) var(--container-padding-x) var(--section-padding-bottom);
}

.landing-page .section-band {
    max-width: none;
    width: 100%;
    margin: 0;
    padding: var(--section-padding-top) 0 var(--section-padding-bottom);
    background: rgba(255, 255, 255, 0.01);
    border-top: 1px solid var(--card-border);
}

.landing-page .section-band--bordered-bottom {
    border-bottom: 1px solid var(--card-border);
}

.landing-page .section-band > .page-container {
    padding-left: var(--container-padding-x);
    padding-right: var(--container-padding-x);
}

.landing-page .section-title-wrap {
    text-align: center;
    margin-bottom: 4rem;
}

.landing-page .badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    background: rgba(0, 242, 254, 0.1);
    color: var(--accent-blue);
    border: 1px solid rgba(0, 242, 254, 0.2);
}

.landing-page .badge.purple {
    background: rgba(155, 81, 224, 0.1);
    color: #c084fc;
    border: 1px solid rgba(155, 81, 224, 0.2);
}

.landing-page .section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.landing-page .section-subtitle {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.05rem;
}

/* Glass Card */
.landing-page .glass-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2.5rem;
    transition: var(--transition-smooth);
}

.landing-page .glass-card:hover {
    background: var(--card-hover-bg);
    border-color: var(--card-hover-border);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 242, 254, 0.05);
}

/* Hero Section */
.landing-page .hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    padding-top: 8rem;
}

.landing-page .hero-content {
    flex: 1;
}

.landing-page .hero-title {
    font-family: var(--font-heading);
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.landing-page .hero-title span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.landing-page .hero-desc {
    color: var(--text-secondary);
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.landing-page .hero-actions {
    display: flex;
    gap: 1.2rem;
    align-items: center;
}

.landing-page .btn-primary {
    background: var(--gradient-primary);
    color: #000;
    padding: 0.9rem 2.2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-family: var(--font-heading);
    transition: var(--transition-smooth);
    box-shadow: 0 0 20px rgba(0, 242, 254, 0.35);
    border: none;
    cursor: pointer;
}

.landing-page .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(0, 242, 254, 0.55);
}

.landing-page .btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: 0.9rem 2.2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-family: var(--font-heading);
    border: 1px solid var(--card-border);
    transition: var(--transition-smooth);
}

.landing-page .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-primary);
    transform: translateY(-3px);
}

.landing-page .hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.landing-page .hero-image-container {
    width: 100%;
    max-width: 500px;
    border-radius: 24px;
    padding: 10px;
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.2) 0%, rgba(155, 81, 224, 0.2) 100%);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.landing-page .hero-image-container img {
    width: 100%;
    border-radius: 16px;
    display: block;
    object-fit: cover;
}

/* Feature Image grid (Necessity and Processor) */
.landing-page .feature-row {
    display: flex;
    align-items: center;
    gap: 4rem;
    margin-bottom: 6rem;
}

.landing-page .feature-row.reverse {
    flex-direction: row-reverse;
}

.landing-page .feature-info {
    flex: 1.2;
}

.landing-page .feature-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.landing-page .feature-img-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    width: 100%;
    transition: var(--transition-smooth);
}

.landing-page .feature-img-card:hover {
    border-color: rgba(155, 81, 224, 0.3);
    box-shadow: 0 15px 40px rgba(155, 81, 224, 0.1);
}

.landing-page .feature-img-card img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    display: block;
}

.landing-page .feature-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.landing-page .feature-title span {
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.landing-page .feature-list {
    list-style: none;
}

.landing-page .feature-list-item {
    margin-bottom: 1.2rem;
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
}

.landing-page .feature-list-item::before {
    content: '✦';
    color: var(--accent-blue);
    font-weight: bold;
    font-size: 1.1rem;
    line-height: 1;
    margin-top: 0.2rem;
}

.landing-page .feature-list-item strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.2rem;
}

.landing-page .feature-list-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Products/Lineups Section */
.landing-page .lineup-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 5rem;
}

.landing-page .lineup-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.landing-page .lineup-img-holder {
    background: rgba(0, 0, 0, 0.25);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 220px;
    border: 1px solid rgba(255, 255, 255, 0.02);
}

.landing-page .lineup-img-holder img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: var(--transition-smooth);
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.5));
}

.landing-page .lineup-card:hover .lineup-img-holder img {
    transform: translateY(-5px) scale(1.03);
}

.landing-page .lineup-name {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.landing-page .lineup-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

/* Spec Chips styling */
.landing-page .spec-chips-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-top: 1px solid var(--card-border);
    padding-top: 1.2rem;
}

.landing-page .spec-chip {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
    font-size: 0.85rem;
    transition: var(--transition-smooth);
}

.landing-page .spec-chip:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(0, 242, 254, 0.2);
}

.landing-page .spec-chip-label {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--accent-blue);
    width: 50px;
    flex-shrink: 0;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.landing-page .spec-chip-label.purple {
    color: #c084fc;
}

.landing-page .spec-chip-value {
    color: var(--text-primary);
    font-weight: 400;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Price Area styling */
.landing-page .price-tag-wrap {
    margin: 1rem 0 1.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    border-top: 1px dashed var(--card-border);
    padding-top: 1rem;
    flex-grow: 1;
    justify-content: flex-end;
}

.landing-page .original-price-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.landing-page .original-price {
    text-decoration: line-through;
}

.landing-page .discount-badge {
    color: #ff4757;
    font-weight: 700;
}

.landing-page .final-price {
    font-family: var(--font-heading);
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--accent-blue);
}

.landing-page .lineup-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--card-border);
    padding-top: 1.2rem;
}

.landing-page .lineup-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.landing-page .lineup-link::after {
    content: '→';
    transition: var(--transition-smooth);
}

.landing-page .lineup-link:hover::after {
    transform: translateX(4px);
}


/* Compare Image Section */
.landing-page .compare-container {
    width: 100%;
    text-align: center;
}

.landing-page .compare-img-box {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.landing-page .compare-img-box img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}

/* Detail Page specific layout */
.landing-page .detail-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

/* Tabs System (Sidebar) */
.landing-page .tab-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    list-style: none;
}

.landing-page .tab-btn {
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1.2rem;
    border-radius: 12px;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.landing-page .tab-btn:hover {
    color: var(--text-primary);
    border-color: rgba(0, 242, 254, 0.2);
    background: rgba(255, 255, 255, 0.05);
}

.landing-page .tab-btn.active {
    background: linear-gradient(90deg, rgba(0, 242, 254, 0.1) 0%, rgba(155, 81, 224, 0.1) 100%);
    border-color: var(--accent-blue);
    color: var(--text-primary);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.1);
}

.landing-page .tab-btn.active::after {
    content: '▶';
    font-size: 0.8rem;
    color: var(--accent-blue);
}

/* Tab Content */
.landing-page .tab-content-panel {
    display: none;
    animation: fadeIn 0.4s ease;
}

.landing-page .tab-content-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.landing-page .spec-img-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0,0,0,0.3);
}

.landing-page .spec-img-card img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
}

.landing-page .spec-title-info {
    text-align: left;
    margin-bottom: 2rem;
}

.landing-page .spec-title-info h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.landing-page .spec-title-info p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Accessory & Case Options */
.landing-page .option-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
}

.landing-page .options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 5rem;
}

.landing-page .option-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.landing-page .option-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-smooth);
}

.landing-page .option-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 242, 254, 0.3);
}

.landing-page .option-card.selected {
    border-color: var(--accent-blue);
    background: rgba(0, 242, 254, 0.03);
    box-shadow: 0 10px 25px rgba(0, 242, 254, 0.1);
}

.landing-page .option-card.selected::before {
    opacity: 1;
}

.landing-page .option-img-holder {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    height: 180px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    margin-bottom: 1.2rem;
}

.landing-page .option-img-holder img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.landing-page .option-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
}

.landing-page .option-desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.landing-page .select-indicator {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--card-border);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-smooth);
    background: transparent;
}

.landing-page .option-card.selected .select-indicator {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

.landing-page .option-card.selected .select-indicator::after {
    content: '✓';
    color: #000;
    font-weight: bold;
    font-size: 0.8rem;
}

/* Accessory Section */
.landing-page .accessory-section {
    background: linear-gradient(180deg, transparent 0%, rgba(155, 81, 224, 0.03) 100%);
    border-radius: 24px;
    padding: 4rem 0;
    margin-bottom: 2rem;
    border: 1px solid rgba(155, 81, 224, 0.08);
}

.landing-page .accessory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.landing-page .accessory-card {
    text-align: center;
}

.landing-page .accessory-img-box {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
}

.landing-page .accessory-img-box img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.landing-page .accessory-name {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.landing-page .accessory-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Quote/Consultation Form */
.landing-page .quote-section {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto var(--section-padding-bottom) auto;
}

.landing-page .form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.landing-page .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.landing-page .form-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.landing-page .form-input, .landing-page .form-select, .landing-page .form-textarea {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 0.9rem 1.2rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    width: 100%;
}

.landing-page .form-input:focus, .landing-page .form-select:focus, .landing-page .form-textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 10px rgba(0, 242, 254, 0.15);
    background: rgba(0, 0, 0, 0.3);
}

.landing-page .form-checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.landing-page .form-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    padding: 0.8rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 0.9rem;
}

.landing-page .form-checkbox-label:hover {
    background: rgba(255, 255, 255, 0.04);
}

.landing-page .form-checkbox-label input {
    accent-color: var(--accent-blue);
    width: 16px;
    height: 16px;
}

.landing-page .form-submit-btn {
    width: 100%;
    margin-top: 1rem;
    padding: 1.1rem;
    font-size: 1.05rem;
    font-weight: 700;
}

/* Modal Styling */
.landing-page .modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(5, 7, 14, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.landing-page .modal-overlay.active {
    display: flex;
    opacity: 1;
}

.landing-page .modal-content {
    background: #111625;
    border: 1px solid rgba(0, 242, 254, 0.3);
    border-radius: 20px;
    padding: 3rem 2.5rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 242, 254, 0.1);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.landing-page .modal-overlay.active .modal-content {
    transform: translateY(0);
}

.landing-page .modal-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 242, 254, 0.1);
    border: 2px solid var(--accent-blue);
    color: var(--accent-blue);
    border-radius: 50%;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 242, 254, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(0, 242, 254, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 242, 254, 0); }
}

.landing-page .modal-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.landing-page .modal-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

/* Footer */
.landing-page footer {
    border-top: 1px solid var(--card-border);
    padding: 6rem var(--container-padding-x) 3rem;
    background: #05070f;
}

.landing-page .footer-grid {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.landing-page .footer-col {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.landing-page .footer-col-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 0.5rem;
}

.landing-page .footer-col-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient-primary);
}

.landing-page .footer-col p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.landing-page .footer-col-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.landing-page .footer-col-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    display: inline-block;
}

.landing-page .footer-col-links a:hover {
    color: var(--accent-blue);
    transform: translateX(3px);
}

.landing-page .footer-bottom {
    max-width: var(--container-max);
    margin: 0 auto;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.landing-page .footer-bottom-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.landing-page .footer-bottom-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.8rem;
    transition: var(--transition-smooth);
}

.landing-page .footer-bottom-links a:hover {
    color: var(--text-primary);
}

/* Legal Document Pages */
.landing-page .legal-page {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--section-padding-top) var(--container-padding-x) 4rem;
}

.landing-page .legal-page .glass-card {
    padding: 3rem;
}

.landing-page .legal-page .glass-card:hover {
    transform: none;
}

.landing-page .legal-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.landing-page .legal-updated {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 2.5rem;
}

.landing-page .legal-content h2 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--card-border);
}

.landing-page .legal-content h2:first-child {
    margin-top: 0;
}

.landing-page .legal-content p,
.landing-page .legal-content li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

.landing-page .legal-content ul,
.landing-page .legal-content ol {
    padding-left: 1.5rem;
    margin: 0.75rem 0;
}

.landing-page .legal-content li {
    margin-bottom: 0.4rem;
}

.landing-page .legal-content strong {
    color: var(--text-primary);
}

.landing-page .legal-back {
    display: inline-block;
    margin-top: 2rem;
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.landing-page .legal-back:hover {
    opacity: 0.8;
}


/* Responsive Grid / Media Queries */
@media (max-width: 992px) {
    .landing-page .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 7rem;
    }
    
    .landing-page .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }
    
    .landing-page .hero-actions {
        justify-content: center;
    }
    
    .landing-page .feature-row, .landing-page .feature-row.reverse {
        flex-direction: column;
        gap: 2.5rem;
    }
    
    .landing-page .detail-layout {
        grid-template-columns: 1fr;
    }
    
    .landing-page .tab-list {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .landing-page .tab-btn {
        white-space: nowrap;
        padding: 0.9rem 1.5rem;
    }
    
    .landing-page .tab-btn.active::after {
        content: '';
    }
}

@media (max-width: 768px) {
    .landing-page {
        --container-padding-x: 1.25rem;
        --section-padding-top: 6rem;
        --section-padding-bottom: 3.5rem;
        font-size: 14px;
    }
    
    .landing-page .nav-menu {
        display: none; /* simple mobile bypass for MVP, buttons remain */
    }
    
    .landing-page .hero-title {
        font-size: 2.6rem;
    }
    
    .landing-page .section-title {
        font-size: 1.85rem;
    }
    
    .landing-page .form-group-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .landing-page .footer-container {
        flex-direction: column;
        text-align: center;
    }

    /* Responsive adjustment for Lineup Cards on Mobile */
    .landing-page .lineup-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .landing-page .lineup-card {
        max-width: 450px;
        margin: 0 auto;
        width: 100%;
    }

    .landing-page .spec-chip {
        padding: 0.5rem 0.6rem;
        font-size: 0.8rem;
    }

    .landing-page .spec-chip-label {
        width: 45px;
        font-size: 0.7rem;
    }

    .landing-page .compare-img-box {
        padding: 1rem;
    }

    /* Footer Mobile Adjustments */
    .landing-page .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .landing-page .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1.2rem;
    }
}


/* Guarantee 4 columns layout when desktop is wide enough */
@media (min-width: 1024px) {
    .landing-page .lineup-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
    }
}

/* Necessity Section - Stacked Layout (text top, image bottom fullwidth) */
.landing-page .necessity-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3.5rem;
}

.landing-page .necessity-feature-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    transition: var(--transition-smooth);
}

.landing-page .necessity-feature-item:hover {
    border-color: rgba(155, 81, 224, 0.35);
    background: rgba(155, 81, 224, 0.05);
    transform: translateY(-4px);
    box-shadow: 0 10px 28px rgba(155, 81, 224, 0.08);
}

.landing-page .necessity-icon {
    font-size: 2rem;
    margin-bottom: 0.8rem;
    line-height: 1;
}

.landing-page .necessity-feature-item strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
}

.landing-page .necessity-feature-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.65;
}

.landing-page .necessity-img-fullwidth {
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.landing-page .necessity-img-fullwidth:hover {
    border-color: rgba(155, 81, 224, 0.3);
    box-shadow: 0 20px 50px rgba(155, 81, 224, 0.08);
}

.landing-page .necessity-img-fullwidth img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 14px;
}

@media (max-width: 992px) {
    .landing-page .necessity-features-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
    .landing-page .necessity-img-fullwidth {
        padding: 1.5rem;
    }
}

@media (min-width: 993px) and (max-width: 1199px) {
    .landing-page .necessity-features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Processor Section Layout - Stacked & Expanded */
.landing-page .processor-stacked-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3.5rem;
    width: 100%;
}

.landing-page .processor-info-wide {
    width: 100%;
    text-align: center;
}

.landing-page .processor-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
    text-align: left;
}

.landing-page .processor-img-expanded-box {
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
    transition: var(--transition-smooth);
}

.landing-page .processor-img-expanded-box:hover {
    border-color: rgba(155, 81, 224, 0.3);
    box-shadow: 0 20px 50px rgba(155, 81, 224, 0.1);
}

.landing-page .processor-img-expanded-box img {
    width: 100%;
    height: auto;
    border-radius: 14px;
    display: block;
}