/* ========================================
   OKPW — Cost Calculator (Full-Page Zoom)
   ======================================== */

/* ---------- CTA Card on main page ---------- */
.calc-cta-section {
    padding: 40px 0 60px;
    background: var(--white);
}

.calc-cta-card {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 48px;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}
.calc-cta-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(85,107,47,0.04), rgba(85,107,47,0.01));
    opacity: 0;
    transition: opacity 0.4s;
}
.calc-cta-card:hover {
    border-color: var(--olive);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.08);
}
.calc-cta-card:hover::before { opacity: 1; }

.calc-cta-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: var(--charcoal);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--olive-light);
    transition: transform 0.4s var(--ease-out-expo);
}
.calc-cta-card:hover .calc-cta-icon { transform: scale(1.05) rotate(-3deg); }

.calc-cta-content { flex: 1; position: relative; z-index: 1; }
.calc-cta-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--charcoal);
    margin: 8px 0 8px;
}
.calc-cta-text {
    font-size: 0.95rem;
    color: var(--gray-500);
    line-height: 1.6;
    max-width: 480px;
}
.calc-cta-action { flex-shrink: 0; position: relative; z-index: 1; }

@media (max-width: 768px) {
    .calc-cta-card {
        flex-direction: column;
        text-align: center;
        padding: 36px 24px;
        gap: 20px;
    }
    .calc-cta-text { max-width: 100%; }
    .calc-cta-title { font-size: 1.4rem; }
}

/* ---------- Full-page calculator (zoom overlay) ---------- */
.calc-page {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 9990;
    background: var(--white);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease 0.5s;
}
.calc-page.active {
    opacity: 1;
    visibility: visible;
}

/* Back button — matches project pages */
.calc-page-back {
    position: fixed;
    top: 24px;
    left: 24px;
    z-index: 9991;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(26,26,26,0.8);
    backdrop-filter: blur(10px);
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.4s var(--ease-out-expo) 0.7s;
}
.calc-page.active .calc-page-back {
    opacity: 1;
    transform: translateX(0);
}
.calc-page-back:hover {
    background: var(--olive);
    border-color: var(--olive);
}

/* Header */
.calc-page-header {
    padding: 80px 0 48px;
    text-align: center;
    background: var(--charcoal);
    color: var(--white);
}
.calc-page-header .section-tag {
    color: var(--olive-light);
}
.calc-page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin: 12px 0 12px;
}
.calc-page-header p {
    font-size: 1rem;
    color: rgba(255,255,255,0.6);
}

/* Calculator body */
.calc-page-body {
    max-width: 960px;
    margin: 0 auto;
    padding: 48px 24px 80px;
}

/* Step dots */
.calc-steps {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 48px;
}
.calc-step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gray-300);
    transition: all 0.3s var(--ease-out-expo);
}
.calc-step-dot.active {
    background: var(--olive);
    width: 32px;
    border-radius: 5px;
}
.calc-step-dot.done {
    background: var(--olive-light);
}

/* Step container */
.calc-step-container {
    min-height: 320px;
    position: relative;
}
.calc-step {
    display: none;
    animation: calcFadeIn 0.4s var(--ease-out-expo);
}
.calc-step.active { display: block; }
@keyframes calcFadeIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.calc-question {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
    color: var(--charcoal);
}
.calc-subtitle {
    text-align: center;
    color: var(--gray-500);
    font-size: 0.95rem;
    margin-bottom: 36px;
}

/* Option cards */
.calc-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}
.calc-option {
    padding: 28px 20px;
    border: 2px solid var(--gray-200);
    border-radius: 14px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s var(--ease-out-expo);
    background: var(--white);
}
.calc-option:hover {
    border-color: var(--olive);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}
.calc-option.selected {
    border-color: var(--olive);
    background: rgba(85, 107, 47, 0.04);
}
.calc-option-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}
.calc-option-title {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--charcoal);
    margin-bottom: 4px;
}
.calc-option-desc {
    font-size: 0.8rem;
    color: var(--gray-500);
    line-height: 1.5;
}

/* Size selector */
.calc-size-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    max-width: 600px;
    margin: 0 auto;
}
.calc-size {
    padding: 24px;
    border: 2px solid var(--gray-200);
    border-radius: 14px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s var(--ease-out-expo);
}
.calc-size:hover {
    border-color: var(--olive);
    transform: translateY(-4px);
}
.calc-size.selected {
    border-color: var(--olive);
    background: rgba(85, 107, 47, 0.04);
}
.calc-size-label {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--charcoal);
    margin-bottom: 4px;
}
.calc-size-dim {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* Result */
.calc-result {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}
.calc-result-label {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--olive);
    margin-bottom: 12px;
}
.calc-result-price {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    color: var(--charcoal);
    margin-bottom: 8px;
}
.calc-result-range {
    font-size: 1rem;
    color: var(--gray-500);
    margin-bottom: 32px;
}
.calc-result-includes {
    text-align: left;
    background: var(--gray-50);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 32px;
    border: 1px solid var(--gray-200);
}
.calc-result-includes h4 {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--olive);
    margin-bottom: 16px;
}
.calc-result-includes ul {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.calc-result-includes li {
    font-size: 0.9rem;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 8px;
}
.calc-result-includes li::before {
    content: '✓';
    color: var(--olive);
    font-weight: 700;
    flex-shrink: 0;
}
.calc-result-note {
    font-size: 0.85rem;
    color: var(--gray-400);
    line-height: 1.6;
    margin-bottom: 32px;
    font-style: italic;
}
.calc-result-cta {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Nav buttons */
.calc-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 36px;
}
.calc-back {
    padding: 12px 24px;
    border: 1.5px solid var(--gray-300);
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.3s;
    background: transparent;
}
.calc-back:hover { border-color: var(--charcoal); color: var(--charcoal); }

/* ---------- Zoom animation overlay ---------- */
.calc-zoom-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: transparent;
    pointer-events: none;
}
.calc-zoom-clone {
    position: absolute;
    background: var(--charcoal);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.7s cubic-bezier(0.65, 0, 0.35, 1);
}
.calc-zoom-clone span {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: rgba(255,255,255,0.15);
    letter-spacing: 0.05em;
    transition: all 0.5s var(--ease-out-expo);
}
.calc-zoom-clone.zooming {
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    border-radius: 0;
}
.calc-zoom-clone.zooming span {
    font-size: 3rem;
    color: rgba(255,255,255,0.6);
}

/* Responsive */
@media (max-width: 768px) {
    .calc-options { grid-template-columns: 1fr 1fr; }
    .calc-size-options { grid-template-columns: 1fr; }
    .calc-result-includes ul { grid-template-columns: 1fr; }
    .calc-page-back { top: 16px; left: 16px; }
}
@media (max-width: 480px) {
    .calc-options { grid-template-columns: 1fr; }
}