/* 
 * Custom Theme Stylesheet for Dr. Pavan Kumar Ediga Rebuild
 * Inspired by Epione Pain & Spine UI/UX Layout
 */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --accent-teal: #14b8a6;
    --accent-teal-light: #f0fdfa;
    --accent-teal-hover: #0d9488;
    --dark-slate: #0f172a;
    --medium-slate: #1e293b;
    --light-slate: #f8fafc;
    --border-color: #e2e8f0;
    --text-color: #334155;
    --heading-color: #0f172a;
    --body-font: 'Inter', sans-serif;
    --heading-font: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Reset & Base Styling */
body {
    font-family: var(--body-font);
    color: var(--text-color);
    background-color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    color: var(--heading-color);
    font-weight: 700;
}

/* Override utility class font-serif to match the new heading font */
.font-serif {
    font-family: var(--heading-font) !important;
}

/* Sticky Navbar inspired by Epione */
.navbar-custom {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.navbar-custom.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.nav-link {
    font-weight: 500;
    color: var(--text-color) !important;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 1rem !important;
    display: inline-flex !important;
    align-items: center;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 1rem;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: calc(100% - 2rem);
}

/* Hero Carousel Section */
.hero-carousel-section {
    position: relative;
    background-color: var(--light-slate);
}

.hero-carousel-section .carousel-item {
    min-height: auto;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease-in-out, opacity 0.6s ease-in-out;
}

@media (max-width: 991.98px) {
    .hero-carousel-section .carousel-item {
        padding: 5rem 0 4rem 0 !important;
        min-height: auto;
    }
}

.hero-image-container {
    position: relative;
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.1);
    border: 4px solid #ffffff;
}

/* Stats Section */
.stat-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border-color: var(--primary-color);
}

/* Cards (Conditions Treated, Treatments) */
.custom-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2.2rem;
    height: 100%;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.custom-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
    border-color: var(--primary-color);
}

.card-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 0.75rem;
    background-color: var(--primary-light);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    transition: var(--transition);
}

.custom-card:hover .card-icon {
    background-color: var(--primary-color);
    color: #ffffff;
}

/* Services (Dark Section) */
.dark-section {
    background-color: var(--dark-slate);
    color: #ffffff;
}

.dark-section h2 {
    color: #ffffff;
}

.dark-card {
    background-color: var(--medium-slate);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1rem;
    padding: 2.2rem;
    height: 100%;
    transition: var(--transition);
}

.dark-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.3);
}

.dark-card .card-icon {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--primary-color);
}

.dark-card:hover .card-icon {
    background-color: var(--primary-color);
    color: #ffffff;
}

/* Certifications */
.cert-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.cert-card > div:last-child {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.cert-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
    transform: translateY(-4px);
}

.cert-img-wrapper {
    background-color: #f1f5f9;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.cert-img-wrapper img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.cert-card:hover .cert-img-wrapper img {
    transform: scale(1.05);
}

/* Video Playlist Component */
.video-player-container {
    border-radius: 1rem;
    overflow: hidden;
    border: 4px solid #ffffff;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.playlist-sidebar {
    max-height: 520px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1rem;
    background: #ffffff;
}

.playlist-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    background: #ffffff;
    padding: 0.75rem;
    transition: var(--transition);
    text-align: left;
    margin-bottom: 0.75rem;
}

.playlist-btn:hover, .playlist-btn.active {
    border-color: var(--primary-color);
    background-color: var(--primary-light);
}

.playlist-thumb {
    position: relative;
    width: 6.5rem;
    height: 4rem;
    border-radius: 0.5rem;
    overflow: hidden;
    flex-shrink: 0;
}

.playlist-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.25rem;
    transition: var(--transition);
}

.playlist-btn:hover .play-overlay {
    background: rgba(0, 0, 0, 0.5);
}

/* Testimonial Cards */
.testimonial-card {
    background: var(--light-slate);
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
    padding: 2.5rem;
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: var(--primary-color);
    background: #ffffff;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.04);
}

/* Digital Business Card (3D Tilt effect) */
.business-card-wrap {
    perspective: 1000px;
}

.business-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 1.25rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    transition: box-shadow 0.3s;
}

/* FAQ Accordion Styling */
.faq-accordion .accordion-item {
    border: 1px solid var(--border-color);
    border-radius: 0.75rem !important;
    margin-bottom: 1rem;
    overflow: hidden;
    background-color: #ffffff;
    transition: var(--transition);
}

.faq-accordion .accordion-item:hover {
    border-color: var(--primary-color);
}

.faq-accordion .accordion-button {
    font-family: var(--heading-font);
    font-weight: 600;
    color: var(--heading-color);
    padding: 1.25rem 1.5rem;
    background-color: #ffffff;
    box-shadow: none !important;
    transition: var(--transition);
}

.faq-accordion .accordion-button:not(.collapsed) {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.faq-accordion .accordion-button::after {
    transition: var(--transition);
}

/* Floating Action Contact Menu */
.floating-action-menu {
    position: fixed;
    bottom: 2rem;
    right: 2.2rem;
    z-index: 1050;
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    gap: 0.75rem;
}

.floating-menu-trigger {
    background-color: #a855f7; /* Purple */
    color: #ffffff;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(168, 85, 247, 0.3);
    transition: var(--transition);
    border: none;
    cursor: pointer;
    outline: none;
}

.floating-menu-trigger:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 30px rgba(168, 85, 247, 0.4);
}

.floating-menu-options {
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    gap: 0.75rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.floating-menu-options.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.floating-menu-item {
    width: 3.2rem;
    height: 3.2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
    text-decoration: none;
}

.floating-menu-item:hover {
    transform: scale(1.1);
    color: #ffffff;
}

.floating-menu-item.whatsapp-btn {
    background-color: #25d366; /* WhatsApp Green */
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

.floating-menu-item.whatsapp-btn:hover {
    box-shadow: 0 12px 24px rgba(37, 211, 102, 0.4);
}

.floating-menu-item.call-btn {
    background-color: #10b981; /* Call Green */
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.floating-menu-item.call-btn:hover {
    box-shadow: 0 12px 24px rgba(16, 185, 129, 0.4);
}


/* Floating back-to-top button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 100;
    background-color: var(--primary-color);
    color: #ffffff;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.2);
    border: none;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-hover);
    transform: translateY(-3px);
}

/* Sticky Mobile CTA (Epione inspired) */
.mobile-sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    display: none;
    z-index: 99;
    box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.05);
}

@media (max-width: 767.98px) {
    .mobile-sticky-cta {
        display: flex;
        justify-content: space-between;
        gap: 0.75rem;
    }
    .floating-whatsapp {
        bottom: 5rem;
    }
    .back-to-top {
        bottom: 5rem;
    }
    body {
        padding-bottom: 4.5rem; /* space for sticky mobile CTA */
    }
}

/* General Layout Elements */
.section-padding {
    padding: 4rem 0;
}

@media (max-width: 767.98px) {
    .section-padding {
        padding: 2.5rem 0;
    }
}

.section-title-wrap {
    text-align: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    color: var(--primary-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    display: block;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.section-title-wrap .divider {
    height: 3px;
    width: 4.5rem;
    background-color: var(--primary-color);
    margin: 1.25rem auto 0 auto;
    border-radius: 2px;
}

/* Animation utilities */
@keyframes heartbeat {
    0% { transform: scale(1); }
    14% { transform: scale(1.05); }
    28% { transform: scale(1); }
    42% { transform: scale(1.05); }
    70% { transform: scale(1); }
}

.animate-heartbeat {
    animation: heartbeat 1.8s ease-in-out infinite;
}

/* Gallery Hover styling */
.gallery-hover-item {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
    aspect-ratio: 1;
}

.gallery-hover-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-hover-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    color: #ffffff;
    padding: 1rem;
    text-align: center;
}

.gallery-hover-item:hover img {
    transform: scale(1.08);
}

.gallery-hover-item:hover .gallery-hover-overlay {
    opacity: 1;
}

/* Forms styling */
.form-control, .form-select {
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    border-color: var(--border-color);
    font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
    border-color: var(--primary-color);
}

/* Hover Dropdown menu for desktop views */
@media (min-width: 992px) {
    .navbar-nav .nav-item.dropdown:hover .dropdown-menu {
        display: block;
        margin-top: 0;
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        animation: dropdownFadeIn 0.25s ease forwards;
    }
    
    .navbar-nav .dropdown-menu {
        display: none;
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px);
        transition: all 0.25s ease;
    }
}

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

/* Custom Dropdown Item Hover Styling */
.dropdown-item {
    color: var(--text-color);
    transition: all 0.2s ease;
}

.dropdown-item:hover, .dropdown-item:focus {
    background-color: var(--primary-color) !important;
    color: #ffffff !important;
}

/* Condition Card Styling like the user-requested mockup */
.condition-card {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    height: 350px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: var(--transition);
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.condition-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.5) 50%, rgba(0, 0, 0, 0.1) 100%);
    z-index: 1;
    transition: var(--transition);
}

.condition-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.condition-card:hover::before {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.98) 0%, rgba(0, 0, 0, 0.6) 60%, rgba(0, 0, 0, 0.2) 100%);
}

.condition-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    z-index: 2;
    color: #ffffff;
}

.condition-card-title {
    font-weight: 700;
    font-size: 1.35rem;
    margin-bottom: 0.5rem;
    color: #ffffff !important;
}

.condition-card-text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.condition-card-link {
    color: #00d4ff !important;
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: var(--transition);
}

.condition-card-link:hover {
    color: #38bdf8 !important;
    text-decoration: underline !important;
}

/* Reviews Banner Slider (Epione Layout inspired) */
.reviews-banner-section {
    background-color: #f8fafc;
}

.reviews-banner {
    background: linear-gradient(135deg, #0f766e 0%, #0369a1 100%);
    border-radius: 1.5rem;
    padding: 3rem;
    color: #ffffff;
    box-shadow: 0 15px 35px rgba(15, 23, 42, 0.12);
    position: relative;
    overflow: hidden;
}

/* Slanted design effect similar to the mockup */
.reviews-slanted-divider {
    position: relative;
    overflow: hidden;
}

.reviews-slanted-divider::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: -20px;
    width: 40px;
    background-color: #ffffff;
    transform: skewX(-20deg);
}

.review-quote-icon {
    font-size: 2.5rem;
    line-height: 1;
    color: rgba(255, 255, 255, 0.25);
}

.google-reviews-badge {
    background: #ffffff;
    border-radius: 0.5rem;
    padding: 0.4rem 1rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin-top: 0.75rem;
    line-height: 1.2;
}

.google-brand-text {
    font-weight: 700;
    font-size: 0.95rem;
}

.google-stars {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* Carousel transitions and indicators override */
.reviews-carousel .carousel-indicators {
    bottom: -2.5rem;
}

.reviews-carousel .carousel-indicators [data-bs-target] {
    background-color: var(--primary-color);
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

/* Custom Navigation Arrows for Reviews Carousel */
.reviews-carousel .carousel-control-prev,
.reviews-carousel .carousel-control-next {
    width: 3.5rem;
    height: 3.5rem;
    background-color: rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    transition: var(--transition);
    border: none;
    opacity: 0.8;
}

.reviews-carousel .carousel-control-prev:hover,
.reviews-carousel .carousel-control-next:hover {
    background-color: rgba(255, 255, 255, 0.25);
    opacity: 1;
}

.reviews-carousel .carousel-control-prev {
    left: 1.5rem;
}

.reviews-carousel .carousel-control-next {
    right: 1.5rem;
}

/* Ensure content has horizontal spacing so it does not overlap with arrows */
.reviews-banner {
    padding-left: 5rem !important;
    padding-right: 5rem !important;
}

@media (max-width: 991px) {
    .reviews-carousel .carousel-control-prev,
    .reviews-carousel .carousel-control-next {
        width: 2.8rem;
        height: 2.8rem;
    }
    .reviews-carousel .carousel-control-prev {
        left: 0.75rem;
    }
    .reviews-carousel .carousel-control-next {
        right: 0.75rem;
    }
    .reviews-banner {
        padding-left: 4rem !important;
        padding-right: 4rem !important;
    }
}

/* Responsive review content column border */
.review-content-col {
    border-right: none !important;
}

@media (min-width: 992px) {
    .review-content-col {
        border-right: 1px solid rgba(255, 255, 255, 0.2) !important;
    }
}

/* Emergency WhatsApp Banner */
.emergency-whatsapp-banner-link {
    display: block;
    max-width: 580px;
    margin: 0 auto;
    transition: transform 0.3s ease;
    animation: emergency-shake 2.2s ease-in-out infinite;
}

.emergency-whatsapp-banner-link:hover {
    animation-play-state: paused;
}

.emergency-whatsapp-banner {
    background: #e53935; /* Crimson/Emergency Red */
    background: linear-gradient(135deg, #ff2525 0%, #cc1b1b 100%);
    border-radius: 50px;
    padding: 1rem 2.5rem;
    box-shadow: 0 10px 30px rgba(229, 57, 53, 0.4);
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.emergency-whatsapp-banner:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(229, 57, 53, 0.6);
}

.emergency-icon-wrapper {
    background-color: #ffffff;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
    animation: emergency-icon-pulse 2s infinite;
}

.emergency-whatsapp-banner:hover .emergency-icon-wrapper {
    transform: scale(1.1) rotate(8deg);
}

.emergency-icon {
    color: #e53935;
    width: 32px;
    height: 32px;
}

.emergency-text-wrapper {
    color: #ffffff;
}

.emergency-subtitle {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    opacity: 0.9;
    line-height: 1.2;
}

.emergency-title {
    font-size: 1.6rem;
    font-weight: 800;
    font-style: italic;
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-top: 2px;
}

@keyframes emergency-icon-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.6);
    }
    70% {
        box-shadow: 0 0 0 12px rgba(255, 255, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
    }
}

@keyframes emergency-shake {
    0%, 50%, 100% {
        transform: scale(1) rotate(0deg);
    }
    55% {
        transform: scale(1.03) rotate(-1.5deg);
    }
    60% {
        transform: scale(1.03) rotate(1.5deg);
    }
    65% {
        transform: scale(1.03) rotate(-1.5deg);
    }
    70% {
        transform: scale(1.03) rotate(1.5deg);
    }
    75% {
        transform: scale(1.03) rotate(-1deg);
    }
    80% {
        transform: scale(1.03) rotate(1deg);
    }
}

@media (max-width: 576px) {
    .emergency-whatsapp-banner {
        padding: 0.8rem 1.5rem;
        gap: 0.75rem !important;
    }
    
    .emergency-icon-wrapper {
        width: 45px;
        height: 45px;
    }
    
    .emergency-icon {
        width: 24px;
        height: 24px;
    }
    
    .emergency-subtitle {
        font-size: 0.7rem;
    }
    
    .emergency-title {
        font-size: 1.15rem;
    }
}