/**
 * ICE Project Services Ltd - Main Stylesheet
 * Modern, professional design with ISO 9001:2015 prominence
 */

/* =====================================================
   CSS VARIABLES (Design Tokens)
   ===================================================== */
:root {
    /* Colors - Professional Engineering Palette */
    --color-primary: #1e3a8a;        /* Deep Blue - Trust, Stability */
    --color-primary-light: #2563eb;  /* Bright Blue */
    --color-primary-dark: #1e293b;   /* Navy */
    --color-secondary: #64748b;      /* Slate Gray */
    --color-accent: #059669;         /* Green - Environment, Growth */
    --color-accent-light: #10b981;   /* Light Green */
    
    /* Neutrals */
    --color-white: #ffffff;
    --color-off-white: #f8fafc;
    --color-light-gray: #e2e8f0;
    --color-gray: #94a3b8;
    --color-dark-gray: #475569;
    --color-dark: #1e293b;
    --color-black: #0f172a;
    
    /* Status Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-headings: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Font Sizes */
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */
    --font-size-5xl: 3rem;      /* 48px */
    --font-size-6xl: 3.75rem;   /* 60px */
    
    /* Spacing */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 3rem;     /* 48px */
    --spacing-3xl: 4rem;     /* 64px */
    --spacing-4xl: 6rem;     /* 96px */
    
    /* Border Radius */
    --radius-sm: 0.25rem;    /* 4px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    --radius-2xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Z-Index Layers */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* =====================================================
   RESET & BASE STYLES
   ===================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--color-primary-light);
}

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

ul, ol {
    list-style-position: inside;
}

/* =====================================================
   LAYOUT & CONTAINER
   ===================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-4xl) 0;
}

.section-sm {
    padding: var(--spacing-3xl) 0;
}

/* =====================================================
   TOP BAR
   ===================================================== */
.top-bar {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.top-bar-left,
.top-bar-right {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.top-bar span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.top-bar i {
    color: var(--color-accent-light);
}

.iso-badge {
    background-color: var(--color-accent);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* =====================================================
   MAIN NAVIGATION
   ===================================================== */
.main-nav {
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

/* Logo */
.logo a {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.logo-text {
    font-family: var(--font-headings);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.logo-text strong {
    color: var(--color-accent);
}

.logo-tagline {
    font-size: var(--font-size-xs);
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    transition: var(--transition-base);
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: var(--color-dark);
    font-weight: 500;
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-primary);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-base);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-light);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-accent {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn-accent:hover {
    background-color: var(--color-accent-light);
    border-color: var(--color-accent-light);
    color: var(--color-white);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-nav {
    padding: var(--spacing-sm) var(--spacing-lg);
}

.btn-nav::after {
    display: none;
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-4xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><path d="M0 0h60v60H0z" fill="none"/><path d="M30 0L0 30l30 30 30-30z" fill="rgba(255,255,255,0.03)"/></svg>');
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h1 {
    color: var(--color-white);
    font-size: var(--font-size-6xl);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero-highlight {
    color: var(--color-accent-light);
}

.hero p {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

/* ISO Certification Badge in Hero */
.hero-iso-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(255, 255, 255, 0.2);
    margin-top: var(--spacing-xl);
}

.hero-iso-badge i {
    font-size: var(--font-size-3xl);
    color: var(--color-accent-light);
}

.hero-iso-badge-text strong {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.hero-iso-badge-text span {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

/* =====================================================
   HERO SLIDER
   ===================================================== */
.hero-slider {
    position: relative;
    height: 100vh;
    min-height: 600px;
    max-height: 900px;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    background-size: cover !important;
    background-position: center !important;
}

.hero-slide.active {
    opacity: 1;
    z-index: 1;
}

.hero-slide .hero-content {
    animation: slideInUp 0.8s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-slide h1 {
    color: var(--color-white);
    font-size: var(--font-size-6xl);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-slide .hero-highlight {
    display: block;
    color: var(--color-accent-light);
    font-size: var(--font-size-3xl);
    margin-top: var(--spacing-md);
}

.hero-slide p {
    color: var(--color-white);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
    max-width: 700px;
}

.slider-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-control:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.slider-control.prev {
    left: 30px;
}

.slider-control.next {
    right: 30px;
}

.slider-control svg {
    stroke: var(--color-white);
}

.slider-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-md);
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.6);
}

.indicator.active {
    background: var(--color-white);
    transform: scale(1.3);
}

/* White button variant for slider */
.btn-white {
    background-color: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-white);
}

.btn-white:hover {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

/* =====================================================
   STATS SECTION
   ===================================================== */
.stats-section {
    background-color: var(--color-off-white);
    padding: var(--spacing-3xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--color-primary);
    font-family: var(--font-headings);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--color-secondary);
    font-weight: 500;
}

/* =====================================================
   SECTION HEADERS
   ===================================================== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-subtitle {
    color: var(--color-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: var(--font-size-4xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-secondary);
}

/* =====================================================
   CARDS
   ===================================================== */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: var(--spacing-xl);
}

.card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

/* Service Cards */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    text-align: center;
    padding: var(--spacing-2xl);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
    color: var(--color-white);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    transform: scale(1.1);
}

/* =====================================================
   FOOTER
   ===================================================== */
.main-footer {
    background-color: var(--color-dark);
    color: var(--color-light-gray);
}

.footer-top {
    padding: var(--spacing-4xl) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

.footer-col h3,
.footer-col h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.footer-tagline {
    color: var(--color-accent-light);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-light-gray);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent-light);
}

.footer-contact li {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    align-items: flex-start;
}

.footer-contact i {
    color: var(--color-accent-light);
    margin-top: 4px;
}

.iso-certification {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: var(--color-accent);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
}

.footer-stats {
    background-color: var(--color-primary-dark);
    padding: var(--spacing-2xl) 0;
}

.footer-bottom {
    background-color: var(--color-black);
    padding: var(--spacing-lg) 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--color-dark-gray);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: all var(--transition-base);
}

.social-links a:hover {
    background-color: var(--color-primary);
    transform: translateY(-3px);
}

/* =====================================================
   SCROLL TO TOP BUTTON
   ===================================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xl);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

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

/* =====================================================
   FORMS
   ===================================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-dark);
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
    border: 2px solid var(--color-light-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.form-success {
    background-color: var(--color-success);
    color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

/* =====================================================
   UTILITIES
   ===================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.py-4 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }

.bg-light { background-color: var(--color-off-white); }
.bg-white { background-color: var(--color-white); }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-accent { color: var(--color-accent); }

/* =====================================================
   PROJECT FILTERS
   ===================================================== */
.filter-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-white);
    border: 2px solid var(--color-light-gray);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

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

/* =====================================================
   PROJECT MAP
   ===================================================== */
#project-map {
    height: 500px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-2xl);
}

.leaflet-popup-content-wrapper {
    border-radius: var(--radius-md);
}

.map-popup h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.map-popup p {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

/* =====================================================
   PROJECT CARDS
   ===================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    position: relative;
}

.project-status {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    z-index: 1;
}

.project-status.ongoing {
    background-color: var(--color-info);
    color: var(--color-white);
}

.project-status.completed {
    background-color: var(--color-success);
    color: var(--color-white);
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.project-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* =====================================================
   BREADCRUMB
   ===================================================== */
.breadcrumb {
    background-color: var(--color-off-white);
    padding: var(--spacing-lg) 0;
}

.breadcrumb ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-sm);
    align-items: center;
    margin: 0;
    padding: 0;
}

.breadcrumb li::after {
    content: '/';
    margin-left: var(--spacing-sm);
    color: var(--color-gray);
}

.breadcrumb li:last-child::after {
    display: none;
}

/* =====================================================
   ANIMATIONS
   ===================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* =====================================================
   CONTACT PAGE STYLES
   ===================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-2xl);
}

.contact-info h2 {
    font-size: var(--font-size-2xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.contact-methods {
    margin-top: var(--spacing-2xl);
}

.contact-method {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-off-white);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.contact-method:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-method h3 {
    font-size: var(--font-size-lg);
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.contact-method p {
    color: var(--color-secondary);
    margin: 0;
}

.contact-method a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-method a:hover {
    color: var(--color-primary-light);
}

.iso-badge-large {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    border-radius: var(--border-radius-lg);
    margin-top: var(--spacing-2xl);
}

.iso-icon {
    flex-shrink: 0;
}

.iso-badge-large h4 {
    font-size: var(--font-size-lg);
    margin: 0 0 var(--spacing-xs);
}

.iso-badge-large p {
    margin: 0;
    opacity: 0.9;
    font-size: var(--font-size-sm);
}

.contact-form-wrapper {
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-form-wrapper h2 {
    font-size: var(--font-size-2xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.contact-form {
    margin-top: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.required {
    color: var(--color-error);
}

.error-message {
    display: block;
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    min-height: 1.25rem;
}

.form-help {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--spacing-xs);
}

.char-counter {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
}

.form-message {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    margin-top: var(--spacing-lg);
}

.form-message.success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid var(--color-success);
}

.form-message.error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid var(--color-error);
}

.btn-large {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.map-container {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.map-container iframe {
    display: block;
}

/* Form validation states */
.form-control.error {
    border-color: var(--color-error);
}

.form-control.success {
    border-color: var(--color-success);
}

.form-control[aria-invalid="true"] {
    border-color: var(--color-error);
}

.form-control[aria-invalid="false"] {
    border-color: var(--color-success);
}

/* =====================================================
   SERVICES PAGE STYLES
   ===================================================== */
.lifecycle-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.lifecycle-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.lifecycle-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.lifecycle-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0 auto var(--spacing-lg);
}

.lifecycle-item h3 {
    font-size: var(--font-size-xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.lifecycle-item p {
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
}

.services-grid-large {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.service-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0 0;
}

.service-list li {
    padding: var(--spacing-sm) 0;
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--color-light-gray);
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list li::before {
    content: "✓";
    color: var(--color-accent);
    font-weight: 700;
    margin-right: var(--spacing-sm);
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.sector-card {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.sector-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.sector-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.sector-card h3 {
    font-size: var(--font-size-xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.sector-card p {
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
}

.section-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
}

.iso-section {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.iso-badge-hero {
    margin: 0 auto var(--spacing-xl);
}

.iso-badge-hero svg {
    stroke: var(--color-white);
}

.iso-content h2 {
    font-size: var(--font-size-4xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.iso-content p {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.iso-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.iso-feature {
    font-size: var(--font-size-lg);
    font-weight: 600;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
}

.cta-box {
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-2xl);
    background: var(--color-off-white);
    border-radius: var(--border-radius-lg);
}

.cta-box h2 {
    font-size: var(--font-size-4xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
}

.cta-box p {
    font-size: var(--font-size-xl);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-2xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* =====================================================
   GALLERY PAGE STYLES
   ===================================================== */
.gallery-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

.gallery-filter-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-white);
    color: var(--color-dark);
    border: 2px solid var(--color-light-gray);
    border-radius: var(--border-radius-full);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.gallery-filter-btn:hover {
    background: var(--color-off-white);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.gallery-filter-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    aspect-ratio: 4/3;
    background: var(--color-light-gray);
}

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

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0));
    color: var(--color-white);
    padding: var(--spacing-xl);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h3 {
    font-size: var(--font-size-lg);
    margin: 0 0 var(--spacing-xs);
    color: var(--color-white);
}

.gallery-overlay p {
    font-size: var(--font-size-sm);
    margin: 0;
    opacity: 0.9;
}

/* Lightbox Styles */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: var(--z-modal);
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox-content {
    max-width: 90%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--border-radius-lg);
    transition: opacity 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: var(--color-white);
    font-size: 3rem;
    font-weight: 300;
    cursor: pointer;
    z-index: 1;
    transition: color var(--transition-fast);
}

.lightbox-close:hover {
    color: var(--color-accent);
}

.lightbox-caption {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--border-radius-md);
    max-width: 600px;
}

.lightbox-caption strong {
    font-size: var(--font-size-xl);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    border: none;
    font-size: 2rem;
    padding: var(--spacing-lg) var(--spacing-xl);
    cursor: pointer;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    backdrop-filter: blur(10px);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.3);
}

.lightbox-prev {
    left: 40px;
}

.lightbox-next {
    right: 40px;
}

/* =====================================================
   CAREERS PAGE STYLES
   ===================================================== */
.careers-status {
    max-width: 800px;
    margin: var(--spacing-3xl) auto;
}

.no-vacancies-card {
    text-align: center;
    padding: var(--spacing-4xl);
    background: var(--color-off-white);
    border-radius: var(--border-radius-lg);
    border: 2px dashed var(--color-light-gray);
}

.no-vacancies-icon {
    margin: 0 auto var(--spacing-xl);
    color: var(--color-secondary);
}

.no-vacancies-icon svg {
    stroke: var(--color-secondary);
}

.no-vacancies-card h3 {
    font-size: var(--font-size-2xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
}

.no-vacancies-card p {
    font-size: var(--font-size-lg);
    color: var(--color-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.no-vacancies-card p:last-child {
    margin-bottom: 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.benefit-card {
    padding: var(--spacing-2xl);
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.benefit-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.benefit-icon svg {
    stroke: var(--color-white);
}

.benefit-card h3 {
    font-size: var(--font-size-xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.benefit-card p {
    color: var(--color-secondary);
    line-height: 1.7;
}

.careers-disciplines {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.discipline-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.discipline-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.discipline-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.discipline-item h4 {
    font-size: var(--font-size-base);
    color: var(--color-dark);
    margin: 0;
}