/* ============================================
   CRO AGENCY — "Conversion Funnel & Heatmaps"
   Page accent: #FF6B35 (CRO Orange)
   ============================================ */

/* ---------- Hero ---------- */
.cro-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 6rem;
    overflow: hidden;
    background: radial-gradient(ellipse at 70% 30%, rgba(255, 107, 53, 0.06) 0%, transparent 60%);
}

.cro-hero .funnel-svg {
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translate(0, -50%);
    width: 440px;
    height: 440px;
    opacity: 0.16;
    z-index: 0;
}

/* Funnel and Heatmap Animations */
.funnel-layer {
    fill: none;
    stroke: #FF6B35;
    stroke-width: 2;
    opacity: 0.7;
}

.funnel-liquid {
    fill: url(#funnel-grad);
    opacity: 0.25;
}

.funnel-particle {
    fill: #FF6B35;
    animation: funnel-flow 4s infinite linear;
}

.heatmap-glow {
    fill: #FF6B35;
    filter: drop-shadow(0 0 10px #FF6B35);
    animation: heatmap-pulse 2s infinite alternate;
}

.heatmap-glow.hot {
    fill: #FF3B30;
    filter: drop-shadow(0 0 12px #FF3B30);
    animation-delay: 0.5s;
}

.heatmap-glow.warm {
    fill: #FFCC00;
    filter: drop-shadow(0 0 8px #FFCC00);
    animation-delay: 1s;
}

@keyframes funnel-flow {
    0% { transform: translateY(0) scale(1); opacity: 0; }
    10% { opacity: 0.8; }
    90% { opacity: 0.8; }
    100% { transform: translateY(220px) scale(0.4); opacity: 0; }
}

@keyframes heatmap-pulse {
    0% { opacity: 0.4; r: 6px; }
    100% { opacity: 0.9; r: 12px; }
}

/* ---------- Stats Row ---------- */
.cro-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.cro-metric-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: var(--space-md);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.cro-metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, #FF6B35, transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.cro-metric-card:hover {
    border-color: rgba(255, 107, 53, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(255, 107, 53, 0.05);
}

.cro-metric-card:hover::before {
    opacity: 1;
}

.cro-metric-card .metric-icon {
    color: #FF6B35;
    margin-bottom: var(--space-sm);
}

.cro-metric-card .metric-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.25rem;
}

.cro-metric-card .metric-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ---------- Heatmap Interactive Teardown Mockup ---------- */
.heatmap-visualizer {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
}

.mockup-page {
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: #0d0d0d;
    border-radius: 8px;
    height: 340px;
    position: relative;
    padding: 1rem;
    overflow: hidden;
}

.mockup-header {
    height: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 1.5rem;
    display: flex;
    gap: 4px;
}
.mockup-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.mockup-hero {
    height: 100px;
    border: 1px dashed rgba(255, 255, 255, 0.04);
    margin-bottom: 1rem;
    border-radius: 4px;
    position: relative;
}

.mockup-cta {
    position: absolute;
    bottom: 20px;
    left: 20px;
    width: 120px;
    height: 28px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
}

.mockup-sidebar {
    position: absolute;
    top: 52px;
    right: 20px;
    width: 80px;
    height: 180px;
    border: 1px dashed rgba(255, 255, 255, 0.04);
    border-radius: 4px;
}

/* Heatmap Overlays (CSS Radial Gradients) */
.heat-spot {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.75;
    mix-blend-mode: screen;
}

.heat-spot.spot-1 {
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, #ff0000 0%, #ff7700 30%, #ffff00 60%, transparent 100%);
    top: 30px;
    left: 80px;
}

.heat-spot.spot-2 {
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, #ff4400 0%, #ffff00 40%, transparent 100%);
    top: 180px;
    left: 40px;
}

.heat-spot.spot-3 {
    width: 50px;
    height: 50px;
    background: radial-gradient(circle, #00ff00 0%, transparent 100%);
    top: 80px;
    right: 35px;
}

/* ---------- CRO Uplift Calculator ---------- */
.cro-calculator {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: var(--space-lg);
    max-width: 750px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.cro-calculator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #FF6B35, #ff9e79, #FF6B35);
}

.calc-inputs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.calc-field label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
}

.calc-field input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: #fff;
    font-family: var(--font-body);
    font-size: 1.05rem;
    transition: border-color 0.3s ease;
}

.calc-field input:focus {
    outline: none;
    border-color: #FF6B35;
}

.calc-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.calc-result-item {
    text-align: center;
}

.calc-result-item .result-value {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: #FF6B35;
}

.calc-result-item .result-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-top: 0.25rem;
}

/* ---------- Split Testing Matrix Diagram ---------- */
.matrix-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.matrix-variant {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: var(--space-md);
    position: relative;
}

.matrix-variant.winner {
    border-color: rgba(255, 107, 53, 0.4);
    box-shadow: 0 0 30px rgba(255, 107, 53, 0.08);
}

.variant-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.matrix-variant.control .variant-tag { background: rgba(255, 255, 255, 0.08); color: var(--color-text-muted); }
.matrix-variant.winner .variant-tag { background: rgba(255, 107, 53, 0.15); color: #FF6B35; }

/* ---------- Methodology Steps ---------- */
.cro-methodology {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
    margin-top: var(--space-lg);
}

.cro-methodology::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 12.5%;
    right: 12.5%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.3), #FF6B35, rgba(255, 107, 53, 0.3), transparent);
}

.cro-methodology-step {
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 0 0.5rem;
}

.cro-methodology-step .step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #FF6B35;
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: var(--font-heading);
    margin: 0 auto var(--space-sm);
    position: relative;
    z-index: 2;
}

.cro-methodology-step h4 {
    font-size: 0.95rem;
    margin-bottom: 0.4rem;
    color: #fff;
}

.cro-methodology-step p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin: 0;
    max-width: 100%;
}

/* ---------- FAQ Accordion ---------- */
.cro-faq details {
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md) 0;
}

.cro-faq details summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    color: #fff;
    transition: color 0.3s ease;
}

.cro-faq details summary::-webkit-details-marker { display: none; }

.cro-faq details summary::after {
    content: '+';
    font-size: 1.5rem;
    color: #FF6B35;
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 1rem;
}

.cro-faq details[open] summary::after {
    transform: rotate(45deg);
}

.cro-faq details summary:hover { color: #FF6B35; }

.cro-faq details .faq-answer {
    padding-top: var(--space-sm);
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.7;
    max-width: 90%;
}

/* ---------- CTA ---------- */
.cro-cta {
    text-align: center;
    padding: var(--space-xl) 0;
    background: radial-gradient(ellipse at center, rgba(255, 107, 53, 0.05) 0%, transparent 70%);
    border-top: 1px solid var(--color-border);
}

.cro-cta .btn-primary {
    background: #FF6B35;
    color: #fff;
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
}

.cro-cta .btn-primary:hover {
    background: transparent;
    color: #FF6B35;
    border: 1px solid #FF6B35;
}

/* ---------- Section Label ---------- */
.cro-label {
    color: #FF6B35;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-sm);
    display: block;
}

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .cro-stats-row { grid-template-columns: repeat(2, 1fr); }
    .cro-methodology { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
    .cro-methodology::before { display: none; }
    .calc-inputs { grid-template-columns: repeat(2, 1fr); }
    .calc-results { grid-template-columns: 1fr; }
    .cro-hero .funnel-svg { display: none; }
    .matrix-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .cro-stats-row { grid-template-columns: 1fr; }
    .cro-methodology { grid-template-columns: 1fr; }
    .calc-inputs { grid-template-columns: 1fr; }
}