/* ========================================
   NIAS - Modern Design System
   Enhanced with Gradients, Icons & Interactions
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;600;700;800&display=swap');

/* ============ CSS Variables ============ */
:root {
    /* Brand Colors from Logo */
    --brand-dark-green: #006837;
    --brand-royal-blue: #1B365D;
    --brand-sky-blue: #00AEEF;
    --brand-red: #ED1C24;
    --brand-gold: #FFD700;
    --brand-black: #231F20;

    /* Enhanced Colors */
    --brand-light-green: #00a651;
    --brand-light-blue: #00d4ff;
    --brand-orange: #FF6B35;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #006837 0%, #00a651 100%);
    --gradient-secondary: linear-gradient(135deg, #1B365D 0%, #2a5298 100%);
    --gradient-accent: linear-gradient(135deg, #00AEEF 0%, #00d4ff 100%);
    --gradient-warm: linear-gradient(135deg, #FF6B35 0%, #FFD700 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.7) 100%);

    /* Shadows & Effects */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.2);
    --shadow-green: 0 8px 24px rgba(0, 104, 55, 0.25);
    --shadow-blue: 0 8px 24px rgba(0, 174, 239, 0.25);
    --glow-green: 0 0 20px rgba(0, 174, 239, 0.4);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* Functional Colors */
    --primary-color: var(--brand-dark-green);
    --secondary-color: var(--brand-royal-blue);
    --accent-color: var(--brand-sky-blue);
    --warning-color: var(--brand-red);
    --text-color: var(--brand-black);
    --bg-light: #f9f9f9;
    --bg-white: #ffffff;
}

/* ============ Global Styles ============ */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', sans-serif !important;
    -webkit-tap-highlight-color: transparent;
    background-color: #ffffff !important;
    background-image: none !important;
    color: var(--text-color);
    overflow-x: hidden;
}

/* ============ Header Styles ============ */

/* Header Top Bar - Gradient Background */
.main-header .header-top,
.header-top {
    background: var(--gradient-primary) !important;
    background-image: var(--gradient-primary) !important;
    color: #ffffff;
    padding: 10px 0;
    position: relative;
    overflow: hidden;
}

.main-header .header-top::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

/* Header Upper - Logo Area */
.main-header .header-upper {
    padding: 15px 0;
    background-color: #ffffff !important;
    width: 100% !important;
    border-bottom: 3px solid var(--brand-dark-green);
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 100;
}

.main-header .header-upper .auto-container,
.main-header .header-upper .logo-box {
    background-color: #ffffff !important;
    width: 100% !important;
}

.main-header .logo-box img {
    max-height: 80px;
    width: auto;
    transition: transform var(--transition-base);
}

.main-header .logo-box img:hover {
    transform: scale(1.05);
}

/* Remove Side Curves & Artifacts */
.side-curve,
.main-header .header-lower::before,
.main-header .header-lower::after,
.header-upper::before,
.header-upper::after,
.main-header::before,
.main-header::after {
    display: none !important;
    background: none !important;
    width: 0 !important;
}

/* ============ Navigation Menu ============ */

/* Main Navigation Container - Glassmorphism Effect */
.main-header .header-lower,
.sticky-header,
.sticky-header .right-col,
.main-menu,
.main-menu .navbar-collapse,
.header-style-two .nav-outer {
    background: var(--gradient-primary) !important;
    background-image: var(--gradient-primary) !important;
    position: relative;
}

.main-header .header-lower {
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

/* Sticky Header Effect */
.sticky-header.fixed-header {
    background: rgba(0, 104, 55, 0.95) !important;
    backdrop-filter: blur(15px);
    box-shadow: var(--shadow-lg);
}

/* Navigation Items */
.main-menu .navigation>li {
    margin: 0 5px !important;
    position: relative;
    padding: 25px 0;
    transition: all var(--transition-base);
}

.main-menu .navigation>li>a {
    color: #ffffff !important;
    font-weight: 700;
    font-size: 15px;
    padding: 12px 20px !important;
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    border-radius: 8px;
    transition: all var(--transition-base);
}

/* Icon Styling in Menu */
.main-menu .navigation>li>a i {
    font-size: 16px;
    transition: transform var(--transition-base);
}

.main-menu .navigation>li:hover>a i {
    transform: scale(1.2) rotate(5deg);
}

/* Hover & Active States with Modern Effects */
.main-menu .navigation>li>a::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0%;
    height: 3px;
    background: var(--brand-gold);
    transition: width var(--transition-base);
    border-radius: 2px;
}

.main-menu .navigation>li:hover>a::before,
.main-menu .navigation>li.current>a::before {
    width: 100%;
}

.main-menu .navigation>li:hover>a,
.main-menu .navigation>li.current>a {
    background: rgba(255, 255, 255, 0.15) !important;
    color: var(--brand-gold) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Dropdown Menus - Premium Design */
.main-menu .navigation>li>ul {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%) !important;
    border: none !important;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    top: 100%;
    min-width: 240px;
    padding: 15px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    display: block !important;
    pointer-events: none;
    overflow: hidden;
}

.main-menu .navigation>li>ul::before {
    content: '';
    position: absolute;
    top: -10px;
    right: 30px;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid #ffffff;
}

.main-menu .navigation>li:hover>ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

/* Dropdown Items with Stagger Animation */
.main-menu .navigation>li>ul>li {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition-fast);
    opacity: 0;
    transform: translateX(10px);
}

.main-menu .navigation>li:hover>ul>li {
    opacity: 1;
    transform: translateX(0);
}

.main-menu .navigation>li:hover>ul>li:nth-child(1) {
    transition-delay: 0.05s;
}

.main-menu .navigation>li:hover>ul>li:nth-child(2) {
    transition-delay: 0.1s;
}

.main-menu .navigation>li:hover>ul>li:nth-child(3) {
    transition-delay: 0.15s;
}

.main-menu .navigation>li:hover>ul>li:nth-child(4) {
    transition-delay: 0.2s;
}

.main-menu .navigation>li:hover>ul>li:nth-child(5) {
    transition-delay: 0.25s;
}

.main-menu .navigation>li>ul>li:last-child {
    border-bottom: none;
}

.main-menu .navigation>li>ul>li>a {
    color: var(--brand-black) !important;
    padding: 14px 25px !important;
    font-weight: 600;
    font-size: 14px;
    text-align: right;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all var(--transition-fast);
    position: relative;
}

.main-menu .navigation>li>ul>li>a i {
    font-size: 14px;
    color: var(--brand-sky-blue);
    transition: all var(--transition-fast);
}

/* Dropdown Hover Effect - Sky Blue Accent */
.main-menu .navigation>li>ul>li:hover>a {
    background: linear-gradient(90deg, rgba(0, 174, 239, 0.1) 0%, transparent 100%) !important;
    color: var(--brand-royal-blue) !important;
    padding-right: 30px !important;
    border-right: 4px solid var(--brand-sky-blue);
}

.main-menu .navigation>li>ul>li:hover>a i {
    transform: translateX(-5px) scale(1.2);
    color: var(--brand-royal-blue);
}

/* ============ Buttons ============ */

.theme-btn {
    position: relative;
    overflow: hidden;
    border-radius: 50px;
    font-weight: 700;
    padding: 14px 32px;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.theme-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.theme-btn:active::before {
    width: 300px;
    height: 300px;
}

.theme-btn.btn-style-one {
    background: var(--gradient-secondary) !important;
    border: none !important;
    color: #ffffff !important;
}

.theme-btn.btn-style-one:hover {
    background: var(--gradient-accent) !important;
    transform: translateY(-3px);
    box-shadow: var(--shadow-blue);
}

.theme-btn.btn-style-two {
    background: var(--gradient-primary) !important;
    border: none !important;
    color: #ffffff !important;
}

.theme-btn.btn-style-two:hover {
    background: var(--gradient-secondary) !important;
    transform: translateY(-3px);
    box-shadow: var(--shadow-green);
}

/* ============ Cards & Content Blocks ============ */

.service-block,
.news-block,
.team-block,
.case-block,
.testimonial-block {
    border: none !important;
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    background: #ffffff;
}

.service-block:hover,
.news-block:hover,
.case-block:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

/* Image Hover Effects */
.news-block .image img,
.case-block .image img {
    transition: transform var(--transition-slow);
}

.news-block:hover .image img,
.case-block:hover .image img {
    transform: scale(1.1);
}

/* Overlay Effects */
.case-block .overlay-box {
    background: var(--gradient-overlay);
    transition: all var(--transition-base);
}

.case-block:hover .overlay-box {
    background: linear-gradient(180deg, rgba(0, 104, 55, 0.8) 0%, rgba(0, 104, 55, 0.95) 100%);
}

/* ============ Footer ============ */

.main-footer {
    background: var(--gradient-primary) !important;
    position: relative;
    overflow: hidden;
}

.main-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-warm);
}

.main-footer .footer-bottom {
    background: var(--gradient-secondary) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.main-footer .footer-widget h3,
.main-footer .footer-widget .text,
.main-footer .footer-widget .links-widget ul li,
.main-footer .copyright,
.main-footer .copyright a,
.header-top .top-left .text,
.header-top .social-box li a {
    color: #ffffff !important;
}

.main-footer .footer-widget .links-widget ul li a {
    color: #ffffff !important;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.main-footer .footer-widget .links-widget ul li a::before {
    content: '\f105';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    transition: transform var(--transition-fast);
}

.main-footer .footer-widget .links-widget ul li a:hover {
    color: var(--brand-gold) !important;
    transform: translateX(-5px);
}

.main-footer .footer-widget .links-widget ul li a:hover::before {
    transform: translateX(-3px);
}

/* ============ Headings ============ */

.sec-title h2 {
    color: var(--brand-dark-green) !important;
    position: relative;
    padding-bottom: 20px;
}

.sec-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 50%;
    transform: translateX(50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

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

/* ============ Breadcrumbs ============ */

.breadcrumb-outer {
    margin-bottom: var(--spacing-lg);
}

.bread-crumb {
    background: var(--gradient-primary);
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.bread-crumb h3 {
    color: #ffffff !important;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.bread-crumb h3::before {
    content: '\f005';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--brand-gold);
    animation: pulse 2s ease-in-out infinite;
}

/* ============ Social Icons ============ */

.header-top .social-box li a,
.main-footer .social-box li a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.header-top .social-box li a:hover,
.main-footer .social-box li a:hover {
    background: var(--brand-gold);
    transform: translateY(-3px) rotate(360deg);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
}

/* ============ Slider Enhancements ============ */

.main-slider .slide {
    position: relative;
}

.main-slider .slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-overlay);
    z-index: 1;
}

.main-slider .content {
    position: relative;
    z-index: 2;
}

/* ============ Utility Classes ============ */

.shadow-sm {
    box-shadow: var(--shadow-sm);
}

.shadow-md {
    box-shadow: var(--shadow-md);
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

.shadow-xl {
    box-shadow: var(--shadow-xl);
}

.gradient-primary {
    background: var(--gradient-primary);
}

.gradient-secondary {
    background: var(--gradient-secondary);
}

.gradient-accent {
    background: var(--gradient-accent);
}

/* ============ Hide Elements ============ */

.search-box-outer,
.search-box-btn,
.search-panel,
.modern-search-box,
.side-curve,
.nav-toggler,
.color-palate,
.color-trigger,
.palate-foo,
.various-color,
.option-box {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* Keep scroll-to-top visible with enhanced style */
.scroll-to-top {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-accent) !important;
    box-shadow: var(--shadow-blue);
    transition: all var(--transition-base);
}

.scroll-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 24px rgba(0, 174, 239, 0.4);
}

/* ============ PWA Specifics ============ */

@media (display-mode: standalone) {
    body {
        padding-top: env(safe-area-inset-top);
    }
}

/* ============ Responsive Design ============ */

@media (max-width: 991px) {
    .main-menu .navigation>li {
        padding: 15px 0;
    }

    .main-menu .navigation>li>a {
        padding: 10px 15px !important;
        font-size: 14px;
    }
}

@media (max-width: 767px) {
    .main-header .logo-box img {
        max-height: 60px;
    }

    .bread-crumb h3 {
        font-size: 18px;
    }
}