/* Global Styling - Dr. Ramesh Vishwanath's Dermatology Clinic */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700&display=swap');

/* --- Resets & Global Rules --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
    position: relative;
}

/* Custom Gold Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--color-brand-gold);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-brand-rose);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6, .font-editorial {
    font-family: var(--font-serif);
    font-weight: var(--weight-medium);
    line-height: 1.2;
    color: var(--color-text-primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 2.5vw, 2.25rem);
}

p {
    font-size: 1rem;
    font-weight: var(--weight-regular);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

/* --- Layout Grids & Containers --- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-narrow {
    width: 100%;
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

/* --- Luxury Buttons & Components --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: var(--weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
}

.btn-primary:hover {
    background-color: var(--color-brand-gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--color-brand-gold);
    color: var(--color-text-primary);
}

.btn-secondary:hover {
    background-color: var(--color-brand-rose-light);
    border-color: var(--color-brand-rose);
    transform: translateY(-2px);
}

.btn-whatsapp {
    background-color: #25D366;
    border-color: #1EBE5D;
    color: #ffffff !important;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
    background-color: #1eb954;
    border-color: #179b44;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

.btn-text {
    padding: 0;
    border-radius: 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.875rem;
    font-weight: var(--weight-semibold);
    color: var(--color-brand-gold);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    position: relative;
}

.btn-text::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-brand-gold);
    transform: scaleX(0.7);
    transform-origin: left;
    transition: var(--transition-fast);
}

.btn-text:hover::after {
    transform: scaleX(1);
}

/* --- Floating Header (Glassmorphic) --- */
.site-header {
    position: fixed;
    top: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 2 * var(--space-lg));
    max-width: var(--container-max);
    z-index: var(--z-header);
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: var(--radius-full);
    padding: 0.85rem var(--space-xl);
    box-shadow: var(--shadow-glass);
    transition: var(--transition-smooth);
}

.site-header.scrolled {
    top: 0;
    width: 100%;
    border-radius: 0;
    border-top: none;
    border-left: none;
    border-right: none;
    padding: 0.65rem var(--space-xl);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 44px;
}

/* Dynamic Brand Logo */
.logo {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: var(--weight-bold);
    letter-spacing: 0.02em;
    color: var(--color-text-primary);
}

.logo-sub {
    font-family: var(--font-sans);
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--color-brand-gold);
    margin-top: -2px;
}

/* Navigation Links & Dropdown */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
}

.nav-link {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-primary);
    position: relative;
    padding: 0.5rem 0;
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%) scale(0);
    width: 4px;
    height: 4px;
    background-color: var(--color-brand-gold);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scale(1);
}

/* Dropdown Container */
.nav-item-dropdown {
    position: relative;
}

.dropdown-arrow {
    font-size: 0.65rem;
    margin-left: 4px;
    transition: transform var(--transition-fast);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(15px);
    opacity: 0;
    pointer-events: none;
    background-color: var(--color-bg-primary);
    border: 1px solid rgba(197, 160, 89, 0.18);
    border-radius: var(--radius-md);
    width: 240px;
    padding: var(--space-sm) 0;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-header);
    list-style: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.nav-item-dropdown:hover .dropdown-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(8px);
}

.nav-item-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-link {
    display: block;
    padding: 0.65rem var(--space-lg);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: var(--weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
    text-align: left;
    white-space: nowrap;
}

.dropdown-link:hover {
    background-color: var(--color-bg-secondary);
    color: var(--color-brand-gold);
    padding-left: calc(var(--space-lg) + 4px);
}

/* Header Utilities */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

/* Dual Clinic Active Indicator Badge */
.clinic-active-badge {
    background-color: var(--color-brand-sage-light);
    color: var(--color-text-primary);
    font-size: 0.6875rem;
    font-weight: var(--weight-semibold);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-brand-sage);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.clinic-active-badge::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background-color: #3e7a30;
    border-radius: 50%;
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(62, 122, 48, 0.7); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 5px rgba(62, 122, 48, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(62, 122, 48, 0); }
}

/* Navigation Burger Menu Button (Luxury Circle Design) */
.menu-toggle {
    display: none;
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(197, 160, 89, 0.25);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    cursor: pointer;
    z-index: 1000;
    transition: var(--transition-smooth);
    padding: 0;
}

.menu-toggle:hover,
.menu-toggle.active {
    border-color: var(--color-brand-gold);
    background: var(--color-bg-secondary);
}

.menu-toggle span {
    position: absolute;
    left: 13px;
    display: block;
    width: 18px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: var(--transition-smooth);
    transform-origin: center;
}

.menu-toggle span:nth-child(1) {
    top: 15px;
}
.menu-toggle span:nth-child(2) {
    top: 21px;
}
.menu-toggle span:nth-child(3) {
    top: 27px;
}

@media (max-width: 1150px) {
    .site-header {
        width: calc(100% - 1.5rem);
        padding: 0.65rem 1.25rem;
        top: 0.5rem;
    }

    .site-header.scrolled {
        width: 100%;
        top: 0;
        padding: 0.55rem 1rem;
    }

    /* Mobile header container: Space Between logo on left and toggle on right */
    .header-container {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        width: 100% !important;
    }

    .logo {
        display: flex;
        flex-direction: column;
        text-align: left;
        flex-shrink: 0;
    }

    .logo-main {
        font-size: 1.35rem;
    }

    .logo-sub {
        font-size: 0.5625rem;
        letter-spacing: 0.18em;
    }

    .menu-toggle {
        display: flex !important;
        margin-left: auto !important;
        flex-shrink: 0;
    }

    .header-actions {
        display: none !important;
    }

    /* Off-canvas Navigation Drawer without horizontal overflow */
    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        transform: translateX(105%);
        visibility: hidden;
        width: min(320px, 85vw);
        height: 100vh;
        background: rgba(252, 250, 247, 0.98);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border-left: 1px solid rgba(197, 160, 89, 0.2);
        box-shadow: -8px 0 32px rgba(43, 35, 31, 0.12);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        gap: var(--space-md);
        padding: 5rem var(--space-xl) var(--space-2xl);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1), visibility 0.35s;
        z-index: 999;
    }

    .nav-menu.open {
        transform: translateX(0);
        visibility: visible;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }
    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    /* Mobile Accordion Style Dropdown */
    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        pointer-events: auto;
        box-shadow: none;
        border: none;
        background: rgba(197, 160, 89, 0.06);
        border-radius: var(--radius-sm);
        width: 100%;
        padding: var(--space-xs) 0;
        display: none; /* Controlled by JS toggling .open class */
        text-align: center;
        margin-top: var(--space-xs);
        transition: none;
    }

    .dropdown-menu.open {
        display: block;
    }

    .dropdown-link {
        text-align: center;
        padding: 0.6rem var(--space-sm);
        font-size: 0.78125rem;
        color: var(--color-text-secondary);
        white-space: normal;
        display: block;
    }

    .dropdown-link:hover {
        background: transparent;
        color: var(--color-brand-gold);
        padding-left: var(--space-sm);
    }

    .nav-item-dropdown {
        width: 100%;
        text-align: center;
    }

    /* Prevent desktop absolute reveal on mobile hover */
    .nav-item-dropdown:hover .dropdown-menu {
        transform: none;
        opacity: 1;
    }

    .clinic-active-badge {
        display: none; /* Hide on small screen header to save space */
    }
}

@media (max-width: 480px) {
    .site-header {
        width: calc(100% - 1rem);
        padding: 0.55rem 0.85rem;
        top: 0.35rem;
    }

    .header-container {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        width: 100% !important;
    }

    .logo-main {
        font-size: 1.15rem;
    }

    .logo-sub {
        font-size: 0.5rem;
        letter-spacing: 0.12em;
    }

    .container, .container-narrow {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* --- Section Dividers & General Components --- */
section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section-title-wrap {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-subtitle {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: var(--weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--color-brand-gold);
    margin-bottom: var(--space-xs);
    display: block;
}

.section-title {
    font-size: clamp(2.25rem, 3.5vw, 3rem);
}

/* --- Footer Elements --- */
.site-footer {
    background-color: #241D1A;
    color: var(--color-bg-secondary);
    padding: var(--space-4xl) 0 var(--space-xl);
    font-size: 0.875rem;
}

.site-footer h4 {
    color: var(--color-bg-primary);
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
}

.site-footer p {
    color: var(--color-brand-rose-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

@media (max-width: 991px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-brand .logo-main {
    color: var(--color-bg-primary);
    font-size: 1.75rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-xs);
}

.footer-links a {
    color: var(--color-brand-rose-light);
}

.footer-links a:hover {
    color: var(--color-brand-gold);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-bottom-links a:hover {
    color: var(--color-brand-gold);
}

@media (max-width: 576px) {
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

/* --- Mobile Navigation Drawer Action CTAs --- */
.mobile-nav-cta {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(197, 160, 89, 0.2);
}

@media (max-width: 1150px) {
    .mobile-nav-cta {
        display: flex;
    }
    
    .mobile-nav-cta .btn {
        width: 100%;
        padding: 0.75rem 1rem;
        font-size: 0.75rem;
        letter-spacing: 0.08em;
        justify-content: center;
    }
}

/* --- Floating Quick-Contact Actions Widget --- */
.floating-quick-actions {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 990;
    align-items: center;
}

.floating-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
    border: none;
    outline: none;
    text-decoration: none;
}

.floating-btn-wa {
    background-color: #25D366;
    color: #ffffff !important;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.45);
}

.floating-btn-wa:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.65);
}

.floating-btn-call {
    background-color: var(--color-text-primary);
    color: var(--color-brand-gold) !important;
    border: 1px solid var(--color-brand-gold);
}

.floating-btn-call:hover {
    background-color: var(--color-brand-gold);
    color: #ffffff !important;
    transform: scale(1.1);
}

.floating-btn-top {
    width: 40px;
    height: 40px;
    font-size: 0.875rem;
    background: var(--color-bg-card);
    color: var(--color-text-secondary);
    border: 1px solid rgba(197, 160, 89, 0.35);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: var(--transition-fast);
}

.floating-btn-top.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.floating-btn-top:hover {
    background: var(--color-bg-secondary);
    color: var(--color-brand-gold);
    transform: translateY(-3px);
}

.floating-tooltip {
    position: absolute;
    right: calc(100% + 10px);
    background: var(--color-text-primary);
    color: #ffffff;
    font-size: 0.6875rem;
    font-family: var(--font-sans);
    font-weight: 600;
    white-space: nowrap;
    padding: 4px 10px;
    border-radius: var(--radius-xs);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.floating-btn:hover .floating-tooltip {
    opacity: 1;
}

/* --- Mobile Sticky Bottom Bar (1-Tap Booking on Mobile Devices) --- */
.mobile-sticky-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(252, 250, 247, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(197, 160, 89, 0.3);
    padding: 0.45rem 0.75rem calc(0.45rem + env(safe-area-inset-bottom));
    z-index: 995;
    box-shadow: 0 -4px 20px rgba(43, 35, 31, 0.08);
    justify-content: space-around;
    align-items: center;
}

@media (max-width: 768px) {
    .floating-quick-actions {
        bottom: 4.8rem;
        right: 0.85rem;
    }
    
    .floating-tooltip {
        display: none; /* Tooltips not needed on touch screens */
    }

    .mobile-sticky-bar {
        display: flex;
    }
    
    /* Ensure content is never obstructed by the sticky bar */
    body {
        padding-bottom: calc(3.8rem + env(safe-area-inset-bottom));
    }
}

.sticky-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--color-text-primary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: var(--transition-fast);
    flex: 1;
    text-align: center;
}

.sticky-action-btn i {
    font-size: 1.15rem;
}

.sticky-call-btn i {
    color: var(--color-brand-gold);
}

.sticky-wa-btn i {
    color: #25D366;
}

.sticky-book-btn i {
    color: var(--color-brand-sage);
}

.sticky-action-btn:active {
    transform: scale(0.96);
    background: rgba(197, 160, 89, 0.1);
}

/* --- Refined Form Input Focus Polish --- */
.form-control:focus {
    outline: none !important;
    border-color: var(--color-brand-gold) !important;
    box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.2) !important;
}