/* ========================================
   PRODUCT DETAIL PAGE (PDP) STYLES
   ========================================= */
.pdp-page {
    background: #050a15;
    color: #fff;
    overflow-x: hidden;
}

.pdp-section {
    padding: 100px 5%;
    position: relative;
    z-index: 10;
}

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

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-700 { max-width: 700px; margin-left: auto; margin-right: auto; }
.max-w-900 { max-width: 900px; margin-left: auto; margin-right: auto; }

.section-title {
    font-family: 'Inter', sans-serif;
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.1;
}

.section-desc, .about-body, .pdp-tagline, p {
    font-family: 'Inter', sans-serif;
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
    margin-top: 20px;
}

/* Navbar at Top */
.pdp-page .navbar {
    top: 30px;
    bottom: auto;
    background: rgba(10, 15, 30, 0.7);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 1. PDP Hero */
.pdp-hero {
    min-height: 100vh;
    padding: 150px 5% 100px;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    width: 100%;
}

.main-image-container {
    position: relative;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    padding: 40px;
    border-radius: 30px;
}

.main-product-img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 50px rgba(0,0,0,0.5));
}

.pdp-tag {
    color: #61B564;
    font-weight: 600;
    letter-spacing: 2px;
    font-size: 0.9rem;
    margin-bottom: 15px;
    display: block;
}

.pdp-title {
    font-size: 5rem;
    font-family: 'Inter', sans-serif;
    margin-bottom: 10px;
}

.pdp-tagline {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
}

.pdp-key-benefits {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.benefit-item i {
    color: #61B564;
    font-size: 1.2rem;
}

.pdp-config {
    margin-bottom: 40px;
}

.config-group {
    margin-bottom: 20px;
}

.config-group label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: 10px;
}

.size-options {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.size-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    padding: 10px 24px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none; /* Already non-clickable */
}

.size-btn.active {
    background: rgba(97, 181, 100, 0.08);
    color: #fff;
    border: 1px solid rgba(97, 181, 100, 0.4);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2), 
                inset 0 0 10px rgba(97, 181, 100, 0.1);
}

.pdp-price-row {
    margin-bottom: 40px;
}

.current-price {
    font-size: 2.5rem;
    font-weight: 700;
    margin-right: 15px;
}

.original-price {
    text-decoration: line-through;
    color: rgba(255,255,255,0.3);
    font-size: 1.2rem;
}

.discount-badge {
    background: #61B564;
    color: #000;
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.8rem;
    margin-left: 10px;
    display: none; /* Hide for Get a Quote flow */
}

.pdp-actions {
    display: flex;
    gap: 18px;
    align-items: center;
    margin-top: 40px;
    margin-bottom: 30px;
    max-width: 600px;
}

/* ---- Primary CTA: Get a Quote (PDP) ---- */
.btn-buy-now {
    background: #61B564;
    color: #000;
    border: none;
    padding: 18px 44px;
    border-radius: 100px;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
                box-shadow 0.3s ease, 
                background 0.3s ease;
    box-shadow: 0 12px 24px rgba(97, 181, 100, 0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

/* Soft top highlight */
.btn-buy-now::after {
    display: none;
}

.btn-buy-now:hover {
    background: #52a455;
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 35px rgba(97, 181, 100, 0.3);
}

.btn-buy-now:active {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(97, 181, 100, 0.2);
}

.btn-buy-now.lg {
    padding: 22px 60px;
    font-size: 1.1rem;
}

/* Glowing variant — adds the sweeping shine + breathing halo */
.glowing-btn {
    position: relative;
    overflow: hidden;
    animation: buttonGlow 3.5s ease-in-out infinite;
}

@keyframes buttonGlow {
    0%, 100% {
        box-shadow:
            0 14px 32px rgba(74, 157, 77, 0.4),
            0 0 0 0 rgba(97, 181, 100, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.3);
    }
    50% {
        box-shadow:
            0 14px 32px rgba(74, 157, 77, 0.45),
            0 0 60px 4px rgba(97, 181, 100, 0.45),
            inset 0 1px 0 rgba(255, 255, 255, 0.3);
    }
}

/* Sweeping shine across the button */
.glowing-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -60%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        110deg,
        transparent 0%,
        rgba(255, 255, 255, 0.32) 50%,
        transparent 100%
    );
    transform: skewX(-18deg);
    transition: left 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    z-index: 1;
}

.glowing-btn:hover::before {
    left: 130%;
}

.glowing-btn:hover {
    background: linear-gradient(135deg, #75d178 0%, #54ae57 100%);
    transform: translateY(-3px);
}

/* ---- WhatsApp tile (PDP, paired with the Get a Quote button) ---- */
.whatsapp-btn {
    background: linear-gradient(135deg, #25D366 0%, #1ebd5b 100%);
    color: #fff;
    border: none;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    transition:
        transform 0.45s cubic-bezier(0.175, 0.885, 0.32, 1.275),
        box-shadow 0.4s ease,
        background 0.4s ease;
    box-shadow:
        0 14px 32px rgba(37, 211, 102, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* Glossy highlight on the WhatsApp tile */
.whatsapp-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(
        circle at 28% 22%,
        rgba(255, 255, 255, 0.4) 0%,
        rgba(255, 255, 255, 0) 60%
    );
    pointer-events: none;
}

.whatsapp-btn i {
    position: relative;
    z-index: 1;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.22));
}

.whatsapp-btn:hover {
    background: linear-gradient(135deg, #2eea73 0%, #25cd66 100%);
    transform: translateY(-3px) scale(1.05);
    box-shadow:
        0 22px 44px rgba(37, 211, 102, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.34);
}

.whatsapp-btn:hover i {
    transform: scale(1.12) rotate(-6deg);
}

.whatsapp-btn:active {
    transform: translateY(-1px) scale(1);
    box-shadow:
        0 8px 18px rgba(37, 211, 102, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

/* Large variant of the buy-now button (hero CTA) */
.btn-buy-now.lg {
    padding: 22px 60px;
    max-width: 400px;
    margin: 30px auto 0;
    font-size: 1.05rem;
}

.btn-add-cart {
    display: none; /* Removed as per request */
}

.pdp-trust-badges {
    display: flex;
    gap: 20px;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
}

/* 3. Comparison Grid */
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.compare-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.compare-card.sparsh {
    border-color: #61B564;
    background: rgba(97, 181, 100, 0.05);
}

.compare-card h3 {
    font-size: 2rem;
    margin-bottom: 30px;
    font-family: 'Inter', sans-serif;
}

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

.compare-card ul li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
    color: rgba(255,255,255,0.7);
}

.compare-card.regular ul li::before {
    content: '✕';
    position: absolute;
    left: 0;
    color: #ff4444;
}

.compare-card.sparsh ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #61B564;
}

/* 5. Layer Breakdown */
.layers-grid {
    margin-top: 50px;
}

.layers-exploded {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.layer-stack-visual {
    perspective: 1000px;
}

.stack-layer {
    transition: transform 0.5s ease;
}

.layers-visual:hover .stack-layer {
    transform: translateY(-10px) rotate(0deg);
}

.layer-item {
    display: flex;
    align-items: center;
    gap: 40px;
    background: rgba(255, 255, 255, 0.02);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: all 0.3s ease;
}

.layer-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: #61B564;
}

.layer-num {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid #61B564;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #61B564;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.layer-info h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.layer-info p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.5);
}

/* 6. Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-tile {
    background: rgba(255, 255, 255, 0.03);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.05);
    transition: all 0.4s ease;
}

.feature-tile:hover {
    transform: translateY(-10px);
    border-color: #61B564;
}

.feature-tile i {
    font-size: 2.5rem;
    color: #61B564;
    margin-bottom: 20px;
}

/* 7. Cooling Tech Grid */
.tech-item {
    transition: all 0.3s ease;
}

/* 11. Premium Testimonials */
.testimonial-card {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(97, 181, 100, 0.1);
    border-color: rgba(97, 181, 100, 0.3) !important;
}

.testimonial-text {
    transition: color 0.3s ease;
}

.testimonial-card:hover .testimonial-text {
    color: #fff;
}

/* 10. Trust Assurance */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}

.trust-item i {
    font-size: 3rem;
    color: #61B564;
    margin-bottom: 20px;
}

/* 11. Use Cases */
.use-case-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.use-case {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px 30px;
    border-radius: 50px;
    border: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
}

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
}