/* ==========================================================================
   Evera Health Design System & Core Stylesheet
   Material Design 3 Token Palette + LTR/RTL Bidirectional Engine
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Noto+Sans+Arabic:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette - Material 3 Token Names */
    --color-primary: #006398;
    --color-primary-container: #5ab0f2;
    --color-on-primary: #ffffff;
    --color-on-primary-container: #004166;
    --color-primary-fixed: #cde5ff;
    --color-primary-fixed-dim: #93ccff;
    --color-on-primary-fixed: #001d31;

    --color-secondary: #406185;
    --color-secondary-container: #b3d4ff;
    --color-on-secondary: #ffffff;
    --color-on-secondary-container: #3b5c80;
    --color-secondary-fixed: #d1e4ff;

    --color-tertiary: #526069;
    --color-tertiary-container: #9cabb5;
    --color-on-tertiary-container: #324048;

    --color-surface: #f8f9ff;
    --color-surface-dim: #c2dcff;
    --color-surface-bright: #f8f9ff;
    --color-surface-container-lowest: #ffffff;
    --color-surface-container-low: #eef4ff;
    --color-surface-container: #e5eeff;
    --color-surface-container-high: #dbe9ff;
    --color-surface-container-highest: #d1e4ff;
    --color-background: #f8f9ff;

    --color-on-surface: #001d36;
    --color-on-surface-variant: #404850;
    --color-on-background: #001d36;

    --color-outline: #707881;
    --color-outline-variant: #bfc7d1;

    --color-inverse-surface: #0a3254;
    --color-inverse-on-surface: #eaf1ff;
    --color-inverse-primary: #93ccff;

    --color-error: #ba1a1a;
    --color-error-container: #ffdad6;
    --color-on-error: #ffffff;

    /* Typography */
    --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-arabic: 'Noto Sans Arabic', 'IBM Plex Sans', sans-serif;

    /* Layout & Spacing */
    --container-max: 1280px;
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    --shadow-ambient: 0 12px 32px rgba(0, 43, 77, 0.08);
    --shadow-card: 0 4px 20px rgba(0, 41, 77, 0.05);

    /* Transition Speeds */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   CSS Reset & Core Elements
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-background);
    color: var(--color-on-background);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* RTL Typography Adjustment */
[dir="rtl"] body {
    font-family: var(--font-arabic);
}

/* Language Switching Visibility Rules */
html[lang="en"] .lang-ar {
    display: none !important;
}
html[lang="ar"] .lang-en {
    display: none !important;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Material Icons Helper */
.material-symbols-outlined {
    font-family: 'Material Symbols Outlined';
    font-weight: normal;
    font-style: normal;
    font-size: 24px;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    -webkit-font-smoothing: antialiased;
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

.material-symbols-outlined.fill-1 {
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* RTL Icon Flip Helper */
[dir="rtl"] .rtl-flip {
    transform: scaleX(-1);
}

/* ==========================================================================
   Layout & Container Utilities
   ========================================================================== */
.container-max {
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

@media (max-width: 640px) {
    .container-max {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* Header & Sticky Top Bar */
.top-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 4.25rem;
    z-index: 1000;
    background: rgba(248, 249, 255, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-outline-variant);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    transition: var(--transition-normal);
}

@media (max-width: 768px) {
    .top-header {
        padding: 0 1rem;
    }
}

.top-header.scrolled {
    background: rgba(248, 249, 255, 0.96);
    box-shadow: 0 4px 20px rgba(0, 29, 54, 0.06);
}

.brand-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-item {
    font-weight: 600;
    color: var(--color-on-surface-variant);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);

}

.nav-item:hover {
    color: var(--color-primary);
    background-color: var(--color-surface-container-low);
}

.nav-item.active {
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    border-radius: 0;
}

/* Nav Dropdown Engine */
.nav-dropdown {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.nav-dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
}

.dropdown-arrow {
    font-size: 20px !important;
    transition: transform var(--transition-fast);
}

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

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    background-color: #ffffff;
    min-width: 360px;
    padding: 0.75rem 0;
    border-radius: var(--radius-md);
    box-shadow: 0 12px 36px rgba(0, 29, 54, 0.14), 0 4px 12px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--color-outline-variant);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 1050;
}

[dir="rtl"] .dropdown-menu {
    left: auto;
    right: 0;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu,
.nav-dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.65rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-on-surface);
    transition: background-color var(--transition-fast), color var(--transition-fast);
    line-height: 1.4;
}

.dropdown-item:hover {
    background-color: var(--color-surface-container-low);
    color: var(--color-primary);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
    box-shadow: 0 2px 8px rgba(0, 99, 152, 0.12);
}

.btn-primary {
    background-color: var(--color-primary-container);
    color: var(--color-on-primary-container);
}

.btn-primary:hover {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0, 99, 152, 0.25);
}

.btn-secondary {
    border: 2px solid var(--color-secondary);
    color: var(--color-secondary);
    background: transparent;
}

.btn-secondary:hover {
    background-color: var(--color-surface-container-low);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.875rem;
}

.btn-icon {
    padding: 0.5rem;
    border-radius: var(--radius-full);
}

.badge-caps {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.85rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    background-color: var(--color-surface-container-low);
    color: var(--color-primary);
    border: 1px solid var(--color-primary-fixed);
}

/* ==========================================================================
   Typography Helpers & Effects
   ========================================================================== */
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-container) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.h1-hero {
    font-size: 3rem;
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-on-surface);
}

@media (max-width: 768px) {
    .h1-hero {
        font-size: 2.1rem;
    }
}

.h2-section {
    font-size: 2rem;
    line-height: 1.25;
    font-weight: 600;
    color: var(--color-on-surface);
}

.body-lg {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--color-on-surface-variant);
}

/* ==========================================================================
   Cards & Bento Grid Architecture
   ========================================================================== */
.glass-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--color-surface-container);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    box-shadow: var(--shadow-ambient);
    transform: translateY(-2px);
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

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

@media (max-width: 640px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }
}

.bento-card {
    background: var(--color-surface-container-lowest);
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    border: 1px solid var(--color-surface-container);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

.bento-card:hover {
    border-color: var(--color-primary-fixed);
    box-shadow: var(--shadow-ambient);
}

.bento-col-2 {
    grid-column: span 2;
}

.bento-row-2 {
    grid-row: span 2;
}

@media (max-width: 1024px) {
    .bento-col-2, .bento-row-2 {
        grid-column: span 1;
        grid-row: span 1;
    }
}

.soft-blue-wash {
    background-color: #E5F4FF;
}

/* ==========================================================================
   Interactive Components (Drawer, Modal, FAQ)
   ========================================================================== */

/* Mobile Drawer Navigation */
.mobile-drawer {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 80%;
    max-width: 320px;
    background: var(--color-surface-container-lowest);
    z-index: 2000;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transform: translateX(-100%);
    transition: var(--transition-smooth);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
}

[dir="rtl"] .mobile-drawer {
    left: auto;
    right: 0;
    transform: translateX(100%);
}

.mobile-drawer.open {
    transform: translateX(0);
}

.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 29, 54, 0.4);
    backdrop-filter: blur(4px);
    z-index: 1999;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

.drawer-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Booking Modal Dialog */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 29, 54, 0.55);
    backdrop-filter: blur(6px);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background: var(--color-surface-container-lowest);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 580px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0, 29, 54, 0.2);
    position: relative;
    transform: scale(0.95);
    transition: var(--transition-smooth);
}

.modal-overlay.active .modal-card {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    color: var(--color-outline);
    border-radius: var(--radius-full);
    padding: 0.35rem;
}

[dir="rtl"] .modal-close {
    right: auto;
    left: 1.25rem;
}

.modal-close:hover {
    background: var(--color-surface-container-low);
    color: var(--color-on-surface);
}

/* FAQ Accordion */
.faq-item {
    border-bottom: 1px solid var(--color-outline-variant);
    padding: 1.25rem 0;
}

.faq-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-on-surface);
    text-align: left;
}

[dir="rtl"] .faq-trigger {
    text-align: right;
}

.faq-trigger span.icon {
    transition: transform var(--transition-normal);
}

.faq-item.open .faq-trigger span.icon {
    transform: rotate(180deg);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-smooth), opacity var(--transition-fast);
    opacity: 0;
    color: var(--color-on-surface-variant);
    padding-top: 0;
}

.faq-item.open .faq-content {
    max-height: 250px;
    opacity: 1;
    padding-top: 0.75rem;
}

/* Footer Styling */
.site-footer {
    background-color: var(--color-inverse-surface);
    color: var(--color-inverse-on-surface);
    padding: 4rem 2rem 2rem;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 2.5rem;
    max-width: var(--container-max);
    margin: 0 auto 3rem;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary-fixed);
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--color-inverse-on-surface);
    opacity: 0.85;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--color-primary-container);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.875rem;
    opacity: 0.7;
}

/* Floating WhatsApp Button Widget */
.whatsapp-float-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 10px;
    direction: ltr;
}

[dir="rtl"] .whatsapp-float-container {
    right: auto;
    left: 24px;
    flex-direction: row-reverse;
}

.whatsapp-float-btn {
    width: 58px;
    height: 58px;
    background-color: #25D366;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
    text-decoration: none;
    position: relative;
}

.whatsapp-float-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.65);
    background-color: #20ba59;
}

.whatsapp-float-btn svg {
    width: 32px;
    height: 32px;
    fill: #ffffff;
}

/* Pulsing Badge Effect */
.whatsapp-float-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #25D366;
    opacity: 0.5;
    z-index: -1;
    animation: wa-pulse 2s infinite ease-in-out;
}

@keyframes wa-pulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    70% {
        transform: scale(1.4);
        opacity: 0;
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

.whatsapp-float-tooltip {
    background: var(--color-surface, #ffffff);
    color: var(--color-on-surface, #1b1c1e);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    pointer-events: none;
    border: 1px solid var(--color-outline-variant, #e0e0e0);
}

/* Home Page Hero Section with Custom Background Image */
.hero-section-home {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    padding: 4.5rem 1.5rem;
    background: linear-gradient(120deg, rgba(255, 255, 255, 0.93) 0%, rgba(245, 250, 255, 0.86) 45%, rgba(255, 255, 255, 0.65) 100%), url('../assets/images/DSC09302-scaled.jpg') center/cover no-repeat;
    overflow: hidden;
}

[dir="rtl"] .hero-section-home {
    background: linear-gradient(-120deg, rgba(255, 255, 255, 0.93) 0%, rgba(245, 250, 255, 0.86) 45%, rgba(255, 255, 255, 0.65) 100%), url('../assets/images/DSC09302-scaled.jpg') center/cover no-repeat;
}

@media (max-width: 768px) {
    .hero-section-home {
        min-height: 75vh;
        padding: 3rem 1rem;
        background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(245, 250, 255, 0.9) 70%, rgba(255, 255, 255, 0.75) 100%), url('../assets/images/DSC09302-scaled.jpg') center/cover no-repeat;
    }
}


/* Footer Social Icon Buttons */
.social-icon-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--color-surface, #ffffff);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s ease, background-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.social-icon-btn:hover {
    background-color: var(--color-primary-container, #005f73);
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
    border-color: transparent;
}

/* ==========================================================================
   Responsive Layout Utilities (About Us & Contact Pages)
   ========================================================================== */
.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: center;
}

.form-row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.section-responsive {
    padding: 4.5rem 1.5rem;
}

.glass-card-responsive {
    padding: 2.5rem;
}

.hero-title-responsive {
    font-size: 2.5rem;
    line-height: 1.2;
}

@media (max-width: 992px) {
    .grid-2-col {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .section-responsive {
        padding: 3rem 1rem;
    }
    
    .glass-card-responsive {
        padding: 1.5rem 1.25rem;
    }

    .hero-title-responsive {
        font-size: 1.85rem;
        line-height: 1.3;
    }
}

@media (max-width: 640px) {
    .form-row-2col {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    /* Prevent mobile browser zoom on inputs */
    input[type="text"],
    input[type="email"],
    input[type="tel"],
    select,
    textarea {
        font-size: 16px !important;
    }
}

/* ==========================================================================
   Service Card & Detail Visual Image Styles
   ========================================================================== */
.service-card-img-wrapper {
    width: 100%;
    height: 180px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 1.25rem;
}

.service-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.bento-card:hover .service-card-img {
    transform: scale(1.05);
}

.service-hero-img-card {
    width: 100%;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-ambient);
    max-height: 380px;
}

.service-hero-img-card img {
    width: 100%;
    height: 100%;
    max-height: 380px;
    object-fit: cover;
    display: block;
}