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

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #2c2c2c;
    --accent-color: #c9a961;
    --accent-dark: #a88d4f;
    --success-color: #27ae60;
    --warning-color: #e74c3c;
    --light-bg: #f5f5f5;
    --white: #ffffff;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --border-color: #d4d4d4;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 80px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent 0%, var(--accent-color) 50%, transparent 100%);
}

.hero-logo {
    max-width: 180px;
    height: auto;
    margin-bottom: 30px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
    background: white;
    border-radius: 50%;
    padding: 10px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    opacity: 0.9;
}

/* Calculator Section */
.calculator-section {
    padding: 60px 20px;
    background-color: var(--light-bg);
}

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.calculator-box,
.benefits-box {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.calculator-box::before,
.benefits-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color) 0%, transparent 100%);
}

.calculator-title,
.benefits-title {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.calculator-steps {
    position: relative;
}

.calculator-step {
    display: none;
    margin-bottom: 30px;
}

.calculator-step.active {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

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

.step-label {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.calculator-checkbox {
    width: 24px;
    height: 24px;
    cursor: pointer;
    accent-color: var(--accent-color);
}

.step-hint {
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
}

.calculator-input,
.calculator-select {
    width: 100%;
    padding: 15px;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    transition: border-color 0.3s;
}

.calculator-input:focus,
.calculator-select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.input-group {
    position: relative;
}

.currency-symbol {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-light);
}

.percent-symbol {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-light);
}

.input-group .calculator-input {
    padding-left: 40px;
}

.input-group .calculator-input + .percent-symbol {
    padding-right: 40px;
}

.calculator-nav {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn {
    padding: 15px 30px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--white);
    flex: 1;
}

.btn-primary:hover {
    background-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(201, 169, 97, 0.3);
}

.btn-secondary {
    background-color: var(--light-bg);
    color: var(--text-dark);
}

.btn-secondary:hover {
    background-color: var(--border-color);
}

.btn-accent {
    background-color: var(--success-color);
    color: var(--white);
}

.btn-accent:hover {
    background-color: #229954;
}

/* Calculator Result */
.calculator-result {
    margin-top: 30px;
    padding: 30px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 8px;
    color: var(--white);
    text-align: center;
    animation: slideIn 0.5s ease-out;
    border: 2px solid var(--accent-color);
}

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

.result-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--accent-color);
}

.result-content h4 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.result-amount {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 20px 0;
    color: var(--accent-color);
}

.result-breakdown {
    margin: 30px 0;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 20px;
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.result-row.highlight {
    background: rgba(201, 169, 97, 0.1);
    margin: 0 -10px;
    padding: 15px 10px;
    border-radius: 6px;
}

.result-row.delta {
    background: rgba(39, 174, 96, 0.15);
    margin: 10px -10px 0;
    padding: 15px 10px;
    border-radius: 6px;
    border-bottom: none;
}

.result-label {
    font-size: 1.1rem;
    font-weight: 500;
}

.result-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.result-row.delta .result-value {
    color: var(--success-color);
}

.result-description {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.email-capture {
    background: rgba(255, 255, 255, 0.1);
    padding: 25px;
    border-radius: 6px;
    margin-top: 20px;
}

.email-capture p {
    margin-bottom: 10px;
}

.email-form {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.email-form .calculator-input {
    flex: 1;
}

/* Benefits List */
.benefits-list {
    list-style: none;
}

.benefits-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.benefits-list i {
    color: var(--accent-color);
    font-size: 1.3rem;
    margin-top: 3px;
    flex-shrink: 0;
}

/* CTA Box */
.cta-box {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-dark) 100%);
    padding: 15px 30px;
    border-radius: 6px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(201, 169, 97, 0.3);
    border: 2px solid var(--accent-color);
    transition: all 0.3s ease;
    display: inline-block;
    cursor: pointer;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(201, 169, 97, 0.3);
    }
    50% {
        box-shadow: 0 4px 25px rgba(201, 169, 97, 0.6);
    }
}

.cta-box:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 6px 30px rgba(201, 169, 97, 0.7);
    animation: none;
}

.cta-box a {
    text-decoration: none;
    color: var(--white);
    display: block;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.cta-box p {
    margin: 0;
}

/* Video Section */
.video-section {
    padding: 60px 20px;
    background-color: var(--white);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--accent-color);
}

.section-subtitle {
    font-size: 1.3rem;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-dark);
    font-weight: 600;
}

.video-placeholder {
    max-width: 800px;
    margin: 0 auto;
    background: var(--light-bg);
    padding: 100px 40px;
    border-radius: 8px;
    text-align: center;
    border: 3px dashed var(--border-color);
}

.video-placeholder i {
    font-size: 4rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    opacity: 0.8;
}

.video-placeholder p {
    font-size: 1.2rem;
    color: var(--text-light);
    font-style: italic;
}

/* Problem Section */
.problem-section {
    padding: 60px 20px;
    background-color: var(--light-bg);
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.problem-card {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.problem-card.highlight {
    border-left: 5px solid var(--warning-color);
}

.problem-card h3 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    color: var(--primary-color);
}

.problem-card ul {
    list-style: none;
}

.problem-card li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 1.05rem;
}

.problem-card i {
    margin-top: 3px;
    flex-shrink: 0;
}

.conclusion {
    text-align: center;
    padding: 40px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.conclusion p {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.highlight-text {
    color: var(--accent-color);
    font-weight: 700;
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 60px 20px;
    text-align: center;
    border-top: 3px solid var(--accent-color);
    border-bottom: 3px solid var(--accent-color);
}

.cta-banner h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

/* Case Study Section */
.case-study-section {
    padding: 60px 20px;
    background-color: var(--white);
}

.case-study-box {
    max-width: 900px;
    margin: 0 auto;
    background: var(--light-bg);
    padding: 40px;
    border-radius: 12px;
    border-left: 5px solid var(--accent-color);
}

.case-study-header {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.case-study-header i {
    font-size: 2.5rem;
    color: var(--accent-color);
    filter: drop-shadow(0 2px 4px rgba(201, 169, 97, 0.3));
    flex-shrink: 0;
}

.case-study-header h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.case-study-tagline {
    font-size: 1rem;
    color: var(--text-light);
    margin: 0;
    font-style: italic;
}

.case-study-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    padding: 30px;
    background: var(--white);
    border-radius: 8px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
}

.stat-item.highlight {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 20px;
    border-radius: 8px;
    color: var(--white);
}

.stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.7;
    margin-bottom: 8px;
}

.stat-item.highlight .stat-label {
    color: var(--accent-color);
    opacity: 1;
    font-weight: 600;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-item.highlight .stat-value {
    color: var(--accent-color);
    font-size: 2.5rem;
}

.stat-desc {
    font-size: 0.9rem;
    color: var(--text-light);
}

.stat-item.highlight .stat-desc {
    color: rgba(255, 255, 255, 0.8);
}

.stat-arrow {
    font-size: 2rem;
    color: var(--accent-color);
    flex-shrink: 0;
}

.case-study-footer {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

.case-study-footer p {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--text-dark);
    margin: 0;
}

.case-study-footer i {
    color: var(--accent-color);
    font-size: 1rem;
}

/* Comparison Section */
.comparison-section {
    padding: 60px 20px;
    background-color: var(--light-bg);
}

.comparison-table {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.comparison-column {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.comparison-column.without {
    border-top: 5px solid var(--warning-color);
}

.comparison-column.with {
    border-top: 5px solid var(--success-color);
}

.comparison-column h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.comparison-column.without h3 {
    color: var(--warning-color);
}

.comparison-column.with h3 {
    color: var(--success-color);
}

.comparison-column ul {
    list-style: none;
}

.comparison-column li {
    padding: 15px;
    margin-bottom: 10px;
    background: var(--light-bg);
    border-radius: 6px;
    font-size: 1.05rem;
}

/* About Section */
.about-section {
    padding: 60px 20px;
    background-color: var(--white);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-content p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    line-height: 1.8;
}

.highlight-box {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 8px;
    margin: 30px 0;
    border-left: 5px solid var(--accent-color);
    position: relative;
}

.highlight-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-color) 0%, transparent 100%);
}

.highlight-box p {
    margin-bottom: 0;
}

.final-statement {
    font-weight: 600;
    color: var(--primary-color);
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 30px 20px;
    text-align: center;
}

.footer p {
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .calculator-box,
    .benefits-box {
        padding: 20px;
    }

    .cta-box a {
        font-size: 1.1rem;
    }

    .calculator-grid,
    .problem-grid,
    .comparison-table {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .calculator-nav {
        flex-direction: column;
    }

    .email-form {
        flex-direction: column;
    }

    .result-amount {
        font-size: 2rem;
    }

    .about-content p {
        font-size: 1rem;
    }

    .case-study-box {
        padding: 20px;
    }

    .case-study-stats {
        flex-direction: column;
        gap: 20px;
        padding: 0;
        background: transparent;
    }

    .stat-item {
        font-size: 0.9rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .stat-item.highlight .stat-value {
        font-size: 1.8rem;
    }

    .stat-arrow {
        transform: rotate(90deg);
    }

    .case-study-footer {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
}