*, *::before, *::after {
    box-sizing: border-box;
}

:root {
    --calc-bg: #0a0f1d;
    --calc-card: #151c2c;
    --calc-card-hover: #1e293b;
    --calc-border: #243249;
    --calc-text-primary: #f8fafc;
    --calc-text-secondary: #94a3b8;
    --calc-accent: #6366f1; /* Indigo */
    --calc-orange: #ff5500;
    --calc-emerald: #10b981;
    --font-title: 'Outfit', sans-serif;
    --glow-indigo: rgba(99, 102, 241, 0.15);
}

/* Scope landing page content to prevent page styling overrides */
.excel-crm-landing {
    color: var(--calc-text-primary);
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem 3rem 1.5rem;
}

/* Hero Header */
.hero {
    text-align: center;
    padding: 3rem 1rem 2.5rem 1rem;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--calc-accent) 0%, transparent 70%);
    opacity: 0.15;
    filter: blur(50px);
    pointer-events: none;
}

.badge-promo {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    border: 1.5px dashed var(--calc-accent);
    color: #a5b4fc;
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: var(--font-title);
    font-size: clamp(2.2rem, 6vw, 4.2rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #f8fafc 30%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    color: var(--calc-text-secondary);
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    max-width: 800px;
    margin: 0 auto 2.5rem auto;
    font-weight: 400;
}

/* Layout Grid */
.grid-layout {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 2.5rem;
    margin-bottom: 5rem;
    align-items: start;
}

@media (max-width: 968px) {
    .grid-layout {
        grid-template-columns: 1fr;
    }
}

/* Calculator Card */
.calc-card {
    background-color: var(--calc-card);
    border: 1px solid var(--calc-border);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    position: relative;
}

.calc-header {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--calc-border);
    padding-bottom: 1.25rem;
}

.calc-header h2 {
    font-family: var(--font-title);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--calc-text-primary);
    margin-bottom: 0.4rem;
}

.calc-header p {
    color: var(--calc-text-secondary);
    font-size: 0.9rem;
}

.slider-group {
    margin-bottom: 2rem;
}

.slider-label-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.slider-label {
    font-weight: 600;
    font-size: 1rem;
    color: var(--calc-text-primary);
}

.slider-val {
    font-family: var(--font-title);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--calc-accent);
    background: rgba(99, 102, 241, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 10px;
    background: var(--calc-border);
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--calc-accent);
    cursor: pointer;
    box-shadow: 0 0 10px var(--calc-accent);
    transition: transform 0.1s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.25);
}

/* ROI Results Summary */
.roi-summary {
    background-color: var(--calc-bg);
    border: 1px solid var(--calc-border);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px dashed var(--calc-border);
}

.result-row.last {
    border-bottom: none;
    padding-bottom: 0;
}

.result-label {
    font-size: 0.95rem;
    color: var(--calc-text-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.result-val {
    font-family: var(--font-title);
    font-size: 1.5rem;
    font-weight: 800;
}

.result-val.leak {
    color: #ef4444; /* Red */
}

.result-val.gain {
    color: var(--calc-emerald); /* Green */
}

/* Sidebar Info Cards */
.sidebar-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    background-color: var(--calc-card);
    border: 1px solid var(--calc-border);
    border-radius: 16px;
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
}

.info-card.hot::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--calc-orange) 0%, var(--calc-accent) 100%);
}

.info-card h3 {
    font-family: var(--font-title);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--calc-text-primary);
}

.info-card p {
    color: var(--calc-text-secondary);
    font-size: 0.92rem;
}

.benefit-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 0.5rem;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--calc-text-primary);
}

.benefit-icon {
    color: var(--calc-emerald);
    flex-shrink: 0;
    margin-top: 2px;
}

/* Comparison Section */
.comparison-section {
    margin-bottom: 5rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-family: var(--font-title);
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.section-header p {
    color: var(--calc-text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.comparison-table-wrapper {
    background-color: var(--calc-card);
    border: 1px solid var(--calc-border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.comparison-table-wrapper table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.comparison-table-wrapper th, .comparison-table-wrapper td {
    padding: 1.25rem 1.75rem;
    border-bottom: 1px solid var(--calc-border);
}

.comparison-table-wrapper th {
    background-color: rgba(21, 28, 44, 0.8);
    font-family: var(--font-title);
    font-weight: 700;
    color: var(--calc-text-primary);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.comparison-table-wrapper td {
    font-size: 0.95rem;
    color: var(--calc-text-secondary);
}

.comparison-table-wrapper td.feature {
    font-weight: 600;
    color: var(--calc-text-primary);
    font-family: var(--font-title);
}

.comparison-table-wrapper tr:last-child th, .comparison-table-wrapper tr:last-child td {
    border-bottom: none;
}

.badge-excel {
    background-color: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-crm {
    background-color: rgba(16, 185, 129, 0.1);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.2);
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Stack comparison table on mobile */
@media (max-width: 768px) {
    .comparison-table-wrapper table, 
    .comparison-table-wrapper thead, 
    .comparison-table-wrapper tbody, 
    .comparison-table-wrapper th, 
    .comparison-table-wrapper td, 
    .comparison-table-wrapper tr {
        display: block;
    }

    .comparison-table-wrapper thead tr {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }

    .comparison-table-wrapper tr {
        border-bottom: 2px solid var(--calc-border);
        padding: 1rem 0;
    }

    .comparison-table-wrapper td {
        border: none;
        padding: 0.5rem 1.5rem;
        position: relative;
        padding-left: 50%;
        text-align: right;
        white-space: normal;
    }

    .comparison-table-wrapper td::before {
        position: absolute;
        left: 1.5rem;
        width: 45%;
        padding-right: 10px;
        white-space: nowrap;
        text-align: left;
        font-weight: 700;
        color: var(--calc-text-primary);
    }

    .comparison-table-wrapper td.feature {
        text-align: left;
        padding-left: 1.5rem;
        font-size: 1.1rem;
        border-bottom: 1px solid var(--calc-border);
        margin-bottom: 0.5rem;
        padding-bottom: 0.5rem;
    }

    .comparison-table-wrapper td.feature::before {
        content: "";
    }

    .comparison-table-wrapper td:nth-of-type(2)::before { content: "Excel / Sheets"; }
    .comparison-table-wrapper td:nth-of-type(3)::before { content: "Spark CRM"; }
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, var(--calc-card) 0%, #161e33 100%);
    border: 1px solid var(--calc-border);
    border-radius: 24px;
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.4);
    margin-bottom: 5rem;
}

.cta-banner::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--calc-accent) 0%, transparent 70%);
    opacity: 0.1;
    filter: blur(40px);
    pointer-events: none;
}

.cta-title {
    font-family: var(--font-title);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-text {
    color: var(--calc-text-secondary);
    font-size: 1.1rem;
    max-width: 650px;
    margin: 0 auto 2.5rem auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.25rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--calc-accent) 0%, #4f46e5 100%);
    color: var(--calc-text-primary);
    box-shadow: 0 8px 24px var(--glow-indigo);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.35);
}

.btn-secondary {
    background-color: transparent;
    color: var(--calc-text-primary);
    border: 1.5px solid var(--calc-border);
}

.btn-secondary:hover {
    background-color: var(--calc-card-hover);
    border-color: var(--calc-text-secondary);
    transform: translateY(-2px);
}