/* Lightbulb Tool - Styles */
/* Built by Michael & Starchild */

:root {
    --color-bg: #0a0a0a;
    --color-text: #e8e8e8;
    --color-text-dim: #a0a0a0;
    --color-accent: #f7931a; /* Bitcoin orange */
    --color-dollar: #85bb65; /* Fiat green (ironic) */
    --color-card-bg: #1a1a1a;
    --color-border: #2a2a2a;
    --spacing-unit: 1rem;
    --max-width: 1200px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    padding: 0;
    margin: 0;
}

main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 0;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--color-accent), #f2a900);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--color-text-dim);
    margin-bottom: 3rem;
}

/* Calculator */
.calculator {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 700px;
    margin: 0 auto 3rem;
    padding: 2rem;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

input, select {
    padding: 0.75rem;
    font-size: 1rem;
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-family: inherit;
}

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

/* Unit Toggle */
.unit-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 2rem auto 1rem;
}

.toggle-label {
    font-size: 0.875rem;
    color: var(--color-text-dim);
    font-weight: 600;
}

.toggle-btn {
    padding: 0.5rem 1rem;
    background: var(--color-card-bg);
    color: var(--color-text-dim);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.2s;
}

.toggle-btn:hover {
    border-color: var(--color-accent);
}

.toggle-btn.active {
    background: var(--color-accent);
    color: var(--color-bg);
    border-color: var(--color-accent);
}

/* Results */
.results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.result-card {
    padding: 2rem;
    background: var(--color-card-bg);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    text-align: center;
}

.dollar-card {
    border-color: var(--color-dollar);
}

.bitcoin-card {
    border-color: var(--color-accent);
}

.result-card h3 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    color: var(--color-text-dim);
}

.result-value {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.old-value, .new-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.old-value {
    color: var(--color-text-dim);
}

.new-value {
    color: var(--color-accent);
}

.dollar-card .new-value {
    color: var(--color-dollar);
}

.arrow {
    font-size: 1.5rem;
    color: var(--color-text-dim);
}

.result-explanation {
    color: var(--color-text-dim);
    font-size: 1rem;
}

.result-explanation strong {
    color: var(--color-text);
    font-size: 1.125rem;
}

.unit-hint {
    margin-top: 1rem;
    padding: 0.75rem;
    background: rgba(247, 147, 26, 0.1);
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--color-accent);
}

/* Loading & Error */
.loading, .error {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-dim);
}

/* Sections */
section {
    margin: 5rem 0;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
}

/* Explainer */
.explainer-content {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.8;
}

.explainer-content p {
    margin-bottom: 1.5rem;
}

.bold-text {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-accent);
    text-align: center;
    margin-top: 2rem;
}

/* Action Grid */
.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.action-card {
    padding: 2rem;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    text-align: center;
}

.action-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.action-card p {
    color: var(--color-text-dim);
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--color-accent);
    color: var(--color-bg);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: transform 0.2s, opacity 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.btn-primary {
    background: var(--color-accent);
    font-size: 1rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 700;
}

/* Getting Started */
.start-cta {
    max-width: 600px;
    margin: 2rem auto 3rem;
    padding: 2rem;
    background: var(--color-card-bg);
    border: 2px solid var(--color-accent);
    border-radius: 12px;
    text-align: center;
}

.start-intro {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.start-note {
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--color-text-dim);
    line-height: 1.5;
}

.onramp-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.onramp-card {
    padding: 1.5rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    text-align: center;
}

.onramp-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.onramp-card p {
    font-size: 0.875rem;
    color: var(--color-text-dim);
    margin-bottom: 1rem;
}

.onramp-card .btn {
    width: 100%;
    display: block;
}

.steps {
    max-width: 600px;
    margin: 2rem auto;
    list-style: none;
    counter-reset: step-counter;
}

.steps li {
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    counter-increment: step-counter;
    position: relative;
    padding-left: 4rem;
}

.steps li::before {
    content: counter(step-counter);
    position: absolute;
    left: 1.5rem;
    top: 1.5rem;
    width: 2rem;
    height: 2rem;
    background: var(--color-accent);
    color: var(--color-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.steps strong {
    display: block;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.steps p {
    color: var(--color-text-dim);
    margin: 0;
}

/* Resources */
.resources ul {
    max-width: 600px;
    margin: 0 auto;
    list-style: none;
}

.resources li {
    margin-bottom: 1rem;
}

.resources a {
    color: var(--color-accent);
    text-decoration: none;
    font-size: 1.125rem;
    transition: opacity 0.2s;
}

.resources a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-text-dim);
    font-size: 0.875rem;
    border-top: 1px solid var(--color-border);
}

footer p {
    margin: 0.5rem 0;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .calculator {
        grid-template-columns: 1fr;
        padding: 1.5rem;
    }
    
    .results {
        grid-template-columns: 1fr;
    }
    
    .result-value {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .arrow {
        transform: rotate(90deg);
    }
}

/* ============================================================
   CHART + KICKER (merged into hero)
   ============================================================ */

.auto-label {
    font-size: 0.8rem;
    color: var(--color-accent);
    font-weight: 400;
    margin-left: 4px;
}

.house-chart-container {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    height: 300px;
    margin: 2rem auto 0;
    max-width: 860px;
}

.chart-label {
    color: var(--color-text-dim);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    text-align: center;
}

.house-kicker {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.12), rgba(247, 147, 26, 0.08));
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: 12px;
    padding: 1.5rem 2rem;
    text-align: center;
    max-width: 860px;
    margin: 1.5rem auto 0;
}

.kicker-text {
    font-size: 1.05rem;
    color: var(--color-text);
    margin-bottom: 0.4rem;
}

.kicker-text strong {
    color: #a855f7;
}

.kicker-sub {
    color: var(--color-text-dim);
    font-size: 0.9rem;
    font-style: italic;
}

/* ============================================================
   WHAT IF I BOUGHT BITCOIN SECTION
   ============================================================ */

.what-if {
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-dim);
    margin-top: -1.25rem;
    margin-bottom: 2.5rem;
}

.wi-calculator {
    max-width: 560px;
    margin: 0 auto 2.5rem;
}

.wi-results {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    max-width: 900px;
    margin: 0 auto;
}

.wi-card {
    flex: 1;
    padding: 2rem 1.75rem;
    background: var(--color-card-bg);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    transition: transform 0.2s;
}

.wi-card-dollar {
    border-color: rgba(133, 187, 101, 0.35);
    background: linear-gradient(160deg, #1a1a1a, rgba(133, 187, 101, 0.05));
}

.wi-card-bitcoin {
    border-color: var(--color-accent);
    background: linear-gradient(160deg, #1a1a1a, rgba(247, 147, 26, 0.07));
    box-shadow: 0 0 40px rgba(247, 147, 26, 0.08);
}

.wi-card-icon {
    font-size: 2rem;
    margin-bottom: 0.25rem;
}

.wi-card-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-dim);
}

.wi-card-values {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin: 0.25rem 0;
}

.wi-old {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-dim);
}

.wi-arrow {
    font-size: 1.2rem;
    color: var(--color-text-dim);
}

.wi-new {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.wi-new-dollar {
    color: var(--color-dollar);
}

.wi-new-btc {
    color: var(--color-accent);
}

.wi-card-sub {
    font-size: 0.9rem;
    color: var(--color-text-dim);
    line-height: 1.5;
    max-width: 280px;
}

.wi-card-sub strong {
    color: var(--color-text);
}

.wi-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 1.25rem;
    flex-shrink: 0;
}

.wi-vs {
    font-size: 1.1rem;
    font-weight: 900;
    color: var(--color-text-dim);
    background: var(--color-card-bg);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.05em;
}

.wi-kicker {
    background: linear-gradient(135deg, rgba(247, 147, 26, 0.1), rgba(168, 85, 247, 0.08));
    border: 1px solid rgba(247, 147, 26, 0.3);
    border-radius: 12px;
    padding: 1.5rem 2rem;
    text-align: center;
    max-width: 860px;
    margin: 1.5rem auto 0;
}

.wi-kicker .kicker-text strong {
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .wi-results {
        flex-direction: column;
        gap: 0;
    }

    .wi-card {
        border-radius: 0;
    }

    .wi-card-dollar {
        border-radius: 12px 12px 0 0;
    }

    .wi-card-bitcoin {
        border-radius: 0 0 12px 12px;
    }

    .wi-divider {
        padding: 0.5rem 0;
    }

    .wi-new {
        font-size: 1.4rem;
    }
}

@media (max-width: 768px) {
    .house-chart-container {
        height: 240px;
        padding: 1rem;
    }
    .house-kicker {
        padding: 1rem 1.25rem;
    }
}