@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;900&family=Montserrat:wght@700;900&family=Noto+Sans+KR:wght@300;400;700&display=swap');

:root {
    --primary-yellow: #f2a900;
    --primary-yellow-hover: #d19200;
    --dark-bg: #0a0a0b;
    --charcoal-bg: rgba(25, 25, 25, 0.5);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-muted: #aaaaaa;
    --text-light: #ffffff;
    --text-dark: #000000;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-view {
    display: none;
    animation: fadeIn 0.6s ease-out;
}

.page-view:not(#home) {
    padding-top: 120px;
}

.page-view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* SPA Navigation Bar */
.nav-bar {
    display: flex;
    gap: 0.3rem;
    background: rgba(30, 30, 35, 0.4);
    backdrop-filter: blur(20px);
    padding: 0.3rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-btn {
    background: transparent;
    border: none;
    color: #999;
    padding: 0.6rem 1.3rem;
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}

.nav-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.nav-btn.active {
    background: var(--primary-yellow);
    color: #000;
    box-shadow: 0 4px 20px rgba(242, 169, 0, 0.3);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(25, 25, 25, 0.4);
    font-family: 'Inter', 'Montserrat', sans-serif;
    table-layout: fixed; /* Enforce fixed layout for precision */
    min-width: 1200px; /* Increased to accommodate all 10 columns comfortably */
}

.data-table th, .data-table td {
    padding: 1.2rem 0.6rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid rgba(255, 255, 255, 0.05); /* Vertical Grid Lines */
    font-size: 0.95rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500; /* Slightly heavier for clarity */
}

.data-table td:last-child, .data-table th:last-child {
    border-right: none;
}

.data-table thead th {
    background: rgba(242, 169, 0, 0.2); /* Slightly stronger contrast */
    color: var(--primary-yellow);
    font-weight: 800;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    border-right: 1px solid rgba(242, 169, 0, 0.1);
}

/* Specific Column Widths for Perfect Alignment */
.data-table th:nth-child(1), .data-table td:nth-child(1) { width: 200px; text-align: left; padding-left: 1.5rem; } /* 업체명 */
.data-table th:nth-child(2), .data-table td:nth-child(2) { width: 80px; }  /* 시공지 */
.data-table th:nth-child(3), .data-table td:nth-child(3) { width: 110px; } /* 시공일 */
.data-table th:nth-child(4), .data-table td:nth-child(4), .data-table th:nth-child(5), .data-table td:nth-child(5),
.data-table th:nth-child(6), .data-table td:nth-child(6), .data-table th:nth-child(7), .data-table td:nth-child(7),
.data-table th:nth-child(8), .data-table td:nth-child(8), .data-table th:nth-child(9), .data-table td:nth-child(9),
.data-table th:nth-child(10), .data-table td:nth-child(10) { width: 70px; }  /* 3M~5Y */
.data-table th:nth-child(11), .data-table td:nth-child(11) { width: 100px; } /* 판정 */

.data-table tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.02); /* Zebra stripes */
}

.data-table tbody tr:hover {
    background: rgba(242, 169, 0, 0.05); /* Highlight on hover */
}

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

body {
    font-family: 'Inter', 'Montserrat', 'Noto Sans KR', sans-serif;
    color: var(--text-light);
    background-color: var(--dark-bg);
    line-height: 1.6;
    letter-spacing: -0.01em;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Typography */
.text-yellow {
    color: var(--primary-yellow);
}

.text-dark {
    color: var(--text-dark);
}

.text-light {
    color: var(--text-light);
}

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

.icon-yellow {
    stroke: var(--primary-yellow);
    width: 48px;
    height: 48px;
    margin-bottom: 1.5rem;
}

/* Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: 8rem 0;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 2rem;
    letter-spacing: -1px;
    line-height: 1.2;
}

.header-center {
    text-align: center;
    margin-bottom: 4rem;
}

.header-center h2 {
    font-size: 3.5rem;
}

.subtitle {
    font-size: 1.25rem;
    font-weight: 300;
}

.mb-5 {
    margin-bottom: 5rem;
}

/* Backgrounds */
.dark-bg {
    background-color: var(--dark-bg);
}

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

.bg-charcoal {
    background-color: var(--charcoal-bg);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.bg-yellow {
    background-color: var(--primary-yellow);
}

/* Buttons */
.primary-btn {
    display: inline-block;
    background-color: var(--primary-yellow);
    color: var(--text-dark);
    padding: 1rem 2.5rem;
    text-decoration: none;
    font-weight: 700;
    border-radius: 4px;
    transition: background 0.3s;
    text-transform: uppercase;
    font-size: 1rem;
}

.primary-btn:hover {
    background-color: #fff;
    color: var(--text-dark);
}

.secondary-btn {
    display: inline-block;
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #fff;
    padding: 1rem 2.5rem;
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
    transition: all 0.3s;
    text-transform: uppercase;
}

.secondary-btn:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.dark-btn {
    display: inline-block;
    background-color: var(--dark-bg);
    color: var(--text-light);
    padding: 1.2rem 3rem;
    text-decoration: none;
    font-weight: 800;
    border-radius: 4px;
    transition: background 0.3s;
    text-transform: uppercase;
    font-size: 1.1rem;
}

.dark-btn:hover {
    background-color: var(--text-dark);
    color: var(--primary-yellow);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(20, 20, 20, 0.6);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sub-logo {
    font-weight: 400;
    color: var(--primary-yellow);
    font-size: 0.9rem;
    letter-spacing: 3px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-yellow);
}

.btn-outline {
    border: 1px solid var(--primary-yellow);
    padding: 0.6rem 1.5rem;
    border-radius: 30px;
    color: var(--primary-yellow) !important;
}

.btn-outline:hover {
    background: var(--primary-yellow);
    color: #000 !important;
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?q=80&w=2070&auto=format&fit=crop') center/cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.9) 0%, rgba(31, 31, 31, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 900px;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(242, 169, 0, 0.1);
    color: var(--primary-yellow);
    border: 1px solid rgba(242, 169, 0, 0.3);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 2px;
    font-weight: 600;
    margin-bottom: 2rem;
    border-radius: 20px;
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.hero-title .highlight {
    color: var(--primary-yellow);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #ccc;
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 3rem;
}

.hero-subtitle strong {
    color: #fff;
    font-weight: 600;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.scroll-down {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
    letter-spacing: 2px;
    font-weight: 400;
    text-transform: uppercase;
    animation: float 2s infinite ease-in-out;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) translateX(-50%);
    }

    50% {
        transform: translateY(10px) translateX(-50%);
    }
}

/* Tech Section */
.split-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
}

.left-col,
.right-col {
    padding: 6rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.lead-text {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
    font-family: 'Montserrat', sans-serif;
}

.desc {
    font-size: 1.1rem;
    color: #bbb;
    line-height: 1.8;
}

.desc strong {
    color: #fff;
    font-weight: 600;
}

.tech-stats {
    gap: 3rem;
}

.stat-item {
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.stat-item:last-child {
    border: none;
    padding-bottom: 0;
}

.stat-icon {
    stroke: #111;
    width: 32px;
    height: 32px;
    margin-bottom: 1rem;
}

.stat-item h3 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    font-family: 'Montserrat', sans-serif;
}

.stat-item p {
    font-size: 1.05rem;
    font-weight: 500;
    color: #444;
}

/* Benefits */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-bottom: 2rem;
}

.feature-card {
    background: var(--charcoal-bg);
    padding: 4rem 3rem;
    border: 1px solid var(--border-color);
    transition: transform 0.4s, border-color 0.4s;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-yellow);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.feature-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Products */
.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.product-item {
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.4s;
}

.product-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
    border-color: #555;
}

.product-img {
    height: 350px;
    background-color: #333;
}

.block-sidewalk {
    background: url('https://images.unsplash.com/photo-1584485542478-43ec7f753c25?q=80&w=2000&auto=format&fit=crop') center/cover;
}

.block-roadway {
    background: url('https://images.unsplash.com/photo-1580918737233-0c46aee281cc?q=80&w=2000&auto=format&fit=crop') center/cover;
}

.product-body {
    padding: 4rem 3rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.product-desc {
    color: #bbb;
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.specs {
    list-style: none;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.specs li {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
    color: #ccc;
    margin-bottom: 1rem;
}

.specs li i {
    stroke: var(--primary-yellow);
    width: 20px;
    height: 20px;
    opacity: 0.8;
}

.specs strong {
    color: #fff;
    font-weight: 600;
    min-width: 100px;
}

/* Designs */
.type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.type-card {
    background: var(--charcoal-bg);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    text-align: center;
}

.type-visual {
    height: 120px;
    background: #333;
    margin-bottom: 1.5rem;
    opacity: 0.5;
    position: relative;
    overflow: hidden;
}

/* Mocking patterns */
.type-1 {
    background: repeating-linear-gradient(0deg, #444, #444 1px, transparent 1px, transparent 20px), repeating-linear-gradient(90deg, #444, #444 1px, transparent 1px, transparent 20px);
}

.type-2 {
    background: repeating-linear-gradient(0deg, #444, #444 1px, transparent 1px, transparent 30px), repeating-linear-gradient(90deg, #444, #444 1px, transparent 1px, transparent 60px);
}

.type-3 {
    background: radial-gradient(circle, transparent 20%, #444 20%, #444 80%, transparent 80%, transparent), radial-gradient(circle, transparent 20%, #444 20%, #444 80%, transparent 80%, transparent) 25px 25px;
    background-size: 50px 50px;
}

.type-4 {
    background: repeating-linear-gradient(90deg, #444, #444 5px, transparent 5px, transparent 40px);
}

.type-5 {
    background: repeating-linear-gradient(45deg, #444, #444 2px, transparent 2px, transparent 15px);
}

.type-6 {
    background: repeating-linear-gradient(-45deg, #444, #444 2px, transparent 2px, transparent 20px);
}

.type-7 {
    background: repeating-radial-gradient(circle, #444, #444 2px, transparent 2.5px, transparent 10px);
}

.type-card h4 {
    font-size: 1rem;
    color: #aaa;
    font-weight: 500;
}

/* Footer */
.footer {
    background-color: #000;
    padding: 5rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

.footer-info {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.8;
}

/* Video Comparison */
.video-compare-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.video-box {
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

.video-label {
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.video-placeholder {
    height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #111;
    position: relative;
    border-bottom: 4px solid transparent;
}

.highlight-box {
    border-color: var(--primary-yellow);
    box-shadow: 0 0 30px rgba(242, 169, 0, 0.15);
    transform: scale(1.02);
}

.highlight-box .video-placeholder {
    border-bottom: 4px solid var(--primary-yellow);
    background: linear-gradient(180deg, #111 0%, rgba(242, 169, 0, 0.05) 100%);
}

.video-placeholder video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.video-placeholder i,
.video-placeholder span {
    z-index: 2;
}

@media (max-width: 1024px) {
    .split-layout {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 4rem;
    }

    .product-showcase {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 4%;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
    }

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

    .view-title {
        font-size: 2.2rem;
        margin-bottom: 2rem;
    }

    .video-filters {
        justify-content: center;
        gap: 0.8rem;
    }

    .vid-filter-btn {
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
        flex: 1 1 20%;
        min-width: 70px;
    }

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

    .calc-form {
        padding: 1.5rem;
    }

    .chart-container {
        gap: 1.5rem;
        height: 250px;
    }

    .chart-bar-group {
        width: 120px;
    }

    .saving-value {
        font-size: 2.5rem;
    }

    .saving-card {
        min-width: 100%;
        padding: 1.5rem;
    }

    .bar-value {
        font-size: 1.2rem;
        top: -80px;
    }
}

/* Applications Grid (Premium Glassmorphism) */
.applications-section {
    position: relative;
    padding: 8rem 0;
    overflow: hidden;
}

.applications-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(242, 169, 0, 0.05) 0%, transparent 60%);
    z-index: 0;
    pointer-events: none;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.app-card {
    background: rgba(25, 25, 25, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    text-decoration: none;
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.app-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(242, 169, 0, 0.5);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), inset 0 0 20px rgba(242, 169, 0, 0.05);
    background: rgba(30, 30, 30, 0.8);
}

.app-card-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-yellow), #ffd700);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: transform 0.4s;
}

.app-card:hover .app-card-icon {
    transform: scale(1.2);
}

.app-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-family: 'Montserrat', sans-serif;
    line-height: 1.3;
}

.app-card-title.ko-text {
    font-family: 'Noto Sans KR', sans-serif;
}

.app-card-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
}

.app-card:hover .app-card-desc {
    opacity: 1;
    max-height: 100px;
    margin-top: 1rem;
}


.score-good { background: #34A853; color: #fff; }
.score-warn { background: #FBBC05; color: #000; }
.score-bad { background: #EA4335; color: #fff; }

/* Video Gallery */
.video-hub-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.video-filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.vid-filter-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: #888;
    padding: 0.5rem 1rem;
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s;
}

.vid-filter-btn:hover, .vid-filter-btn.active {
    border-color: var(--primary-yellow);
    color: var(--primary-yellow);
    background: rgba(242, 169, 0, 0.1);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.video-card {
    background: var(--charcoal-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s;
}

.video-card:hover {
    transform: translateY(-5px);
    border-color: #555;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    background: #000;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-info {
    padding: 1.5rem;
}

.video-info h4 {
    color: #fff;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.video-meta {
    font-size: 0.85rem;
    color: var(--primary-yellow);
    font-weight: 600;
}

/* No data message */
.no-data {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
    font-style: italic;
    grid-column: 1 / -1;
}

/* Premium Glow Effect for CTA */
.btn-glow {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-glow::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
    transform: scale(0.5);
}

.btn-glow:hover::after {
    opacity: 1;
    transform: scale(1);
    animation: pulseGlow 1.5s infinite alternate;
}

@keyframes pulseGlow {
    0% {
        transform: scale(0.9);
        opacity: 0.5;
    }

    100% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}
/* Calculator & Results UI */
.calc-form {
    max-width: 850px;
    margin: 2rem auto;
    background: rgba(20, 20, 20, 0.6);
    backdrop-filter: blur(20px);
    padding: 3rem;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}

.input-box {
    width: 100%;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    padding: 1.2rem;
    border-radius: 12px;
    color: #fff;
    font-size: 1.1rem;
    transition: all 0.3s;
}

.input-box:focus {
    outline: none;
    border-color: var(--primary-yellow);
    box-shadow: 0 0 15px rgba(242, 169, 0, 0.2);
}

.chart-container {
    display: flex;
    justify-content: center;
    gap: 5rem;
    margin: 8rem 0 4rem 0; /* Increased top margin for clear labels */
    height: 350px;
}

.chart-bar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 180px; /* Slightly wider */
}

.bar-track {
    flex: 1;
    width: 60px; /* Slightly wider */
    background: rgba(255, 255, 255, 0.03);
    border-radius: 30px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    margin-bottom: 2rem; /* More space for labels below */
    overflow: visible;
}

.bar {
    width: 100%;
    border-radius: 30px;
    transition: height 1.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.fill-red { background: linear-gradient(to top, #ff4d4d, #ff8080); box-shadow: 0 0 20px rgba(255, 77, 77, 0.2); }
.fill-blue { background: linear-gradient(to top, #2ecc71, #58d68d); box-shadow: 0 0 20px rgba(46, 204, 113, 0.2); }

.bar-value {
    position: absolute;
    top: -120px; /* Pushed significantly higher to avoid overlap with labels */
    left: 50%;
    transform: translateX(-50%);
    font-weight: 900;
    color: #fff;
    font-size: 1.8rem; /* Larger and clearer */
    text-shadow: 0 0 20px rgba(0,0,0,1), 0 0 10px rgba(255,255,255,0.3);
    white-space: nowrap;
    width: 400px;
    text-align: center;
    z-index: 10;
}

.bar-label {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    line-height: 1.4;
    margin-top: 1rem;
}

.saving-card {
    background: linear-gradient(135deg, rgba(242, 169, 0, 0.2), rgba(0,0,0,1));
    border: 1.5px solid var(--primary-yellow);
    padding: 3rem;
    border-radius: 30px;
    text-align: center;
    display: inline-block;
    min-width: 450px;
    box-shadow: 0 20px 40px rgba(242, 169, 0, 0.1);
}

.saving-value {
    font-size: 4.5rem;
    font-weight: 950;
    color: var(--primary-yellow);
    letter-spacing: -2px;
    margin: 1.5rem 0;
    text-shadow: 0 0 30px rgba(242, 169, 0, 0.3);
}

.table-wrapper {
    margin-bottom: 5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.score-badge {
    padding: 4px 10px;
    color: var(--text-light);
}

.view-title {
    font-size: 3.5rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 5rem;
    letter-spacing: -1.5px;
    color: var(--text-light);
}

.view-title span {
    display: block;
    font-size: 1.2rem;
    color: var(--primary-yellow);
    font-weight: 400;
    margin-top: 1rem;
}