/* ========================================================================
   VARIABLES & DESIGN TOKENS
   ======================================================================== */
:root {
    /* Colors */
    --clr-navy: #0F172A;
    --clr-navy-light: #1E293B;
    --clr-orange: #FFCA28;
    --clr-orange-hover: #FFB300;
    --clr-blue: #3B82F6;
    --clr-white: #FFFFFF;
    --clr-gray-50: #F8FAFC;
    --clr-gray-100: #F1F5F9;
    --clr-gray-200: #E2E8F0;
    --clr-gray-600: #475569;
    --clr-gray-800: #1E293B;
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --max-width: 1200px;
    --section-padding: 5rem 0;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--clr-gray-800);
    line-height: 1.6;
    background-color: var(--clr-gray-50);
}

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

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

ul {
    list-style: none;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--clr-navy);
}

h2 { font-size: 2.5rem; margin-bottom: 1rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
p { color: var(--clr-gray-600); }

/* ========================================================================
   UTILITIES
   ======================================================================== */
.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-padding { padding: var(--section-padding); }
.text-center { text-align: center; }
.white-bg { background-color: var(--clr-white); }
.max-w-800 { max-width: 800px; margin: 0 auto 3rem auto; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
}

.btn-primary {
    background-color: var(--clr-orange);
    color: var(--clr-navy);
    font-weight: 800;
}

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

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

.btn-secondary:hover {
    background-color: var(--clr-white);
    color: var(--clr-navy);
    transform: translateY(-2px);
}

/* ========================================================================
   HEADER & NAVIGATION
   ======================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: all var(--transition-normal);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar.scrolled {
    padding: 0.75rem 0;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--clr-navy);
    letter-spacing: 1px;
}

.logo span {
    color: var(--clr-orange);
}

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

.nav-links a {
    color: var(--clr-gray-800);
    font-weight: 600;
    font-size: 0.95rem;
}

.nav-links a:hover { color: var(--clr-orange); }
.nav-links .btn-primary { color: var(--clr-navy); }
.nav-links .btn-primary:hover { color: var(--clr-navy); }

.mobile-menu-toggle {
    display: none;
    font-size: 2rem;
    color: var(--clr-navy);
    cursor: pointer;
}

/* ========================================================================
   HERO SECTION
   ======================================================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 1;
    transform: scale(1.05); /* slightly zoomed for animation potential */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.4) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
    margin: 0; /* Reset container margin for hero */
    color: var(--clr-white);
}

.hero h1 {
    color: var(--clr-white);
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.hero p {
    color: var(--clr-gray-200);
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

/* ========================================================================
   SERVICES & PAGE HEADERS
   ======================================================================== */
.navbar.bg-navy {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.page-header {
    padding: 10rem 0 4rem 0;
    background-color: var(--clr-navy-light);
    color: var(--clr-white);
    text-align: center;
}
.page-header h1 {
    color: var(--clr-white);
    font-size: 3rem;
    margin-bottom: 1rem;
}
.page-header p {
    color: var(--clr-gray-200);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--clr-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--clr-gray-200);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--clr-orange);
}

.service-img-wrapper {
    height: 220px;
    overflow: hidden;
}

.service-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-img-wrapper img {
    transform: scale(1.1);
}

.service-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.service-badge {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    color: var(--clr-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    align-self: flex-start;
}

.service-content h3 { font-size: 1.3rem; }
.service-content p { margin-bottom: 1.5rem; flex-grow: 1; }

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    color: var(--clr-gray-800);
}

.service-features i { color: var(--clr-orange); font-size: 1.2rem; }

/* ========================================================================
   WHY CHOOSE US / SECTORS (DARk Layout)
   ======================================================================== */
.about {
    background-color: var(--clr-navy);
    color: var(--clr-white);
}

.about h2 { color: var(--clr-white); }
.about .lead-text { color: var(--clr-gray-200); font-size: 1.2rem; margin-bottom: 3rem; }

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.benefit-item {
    display: flex;
    gap: 1.5rem;
}

.icon-box {
    width: 60px;
    height: 60px;
    background: rgba(255, 202, 40, 0.15);
    color: var(--clr-orange);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

.benefit-item h4 { color: var(--clr-white); margin-bottom: 0.5rem; font-size: 1.2rem; }
.benefit-item p { color: var(--clr-gray-200); margin: 0; }

.glass-panel {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 3rem;
    box-shadow: var(--shadow-glass);
}

.glass-panel h3 { color: var(--clr-white); margin-bottom: 2rem; font-size: 1.8rem; }

.sectors-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sectors-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
    color: var(--clr-gray-100);
    padding: 1rem;
    background: rgba(255,255,255,0.03);
    border-radius: 8px;
    transition: background var(--transition-fast);
}

.sectors-list li:hover { background: rgba(255,255,255,0.1); }
.sectors-list i { color: var(--clr-blue); font-size: 1.5rem; }

/* ========================================================================
   EXPERIENCE & CLIENTS
   ======================================================================== */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 5rem;
}

.metric {
    padding: 2rem;
    background: var(--clr-white);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    border-top: 4px solid var(--clr-orange);
}

.metric h3 { font-size: 1.2rem; color: var(--clr-navy); margin-bottom: 0.5rem; }
.metric p { font-size: 0.95rem; margin: 0; }

.clients-banner { padding: 3rem 0; border-top: 1px solid var(--clr-gray-200); }
.small-caps { text-transform: uppercase; font-size: 0.85rem; font-weight: 700; letter-spacing: 2px; margin-bottom: 1.5rem; }

.client-logos-text {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem 2rem;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--clr-gray-600);
}

.client-logos-text .dot { color: var(--clr-orange); }

/* ========================================================================
   FOOTER
   ======================================================================== */
.footer {
    background-color: var(--clr-white);
    color: var(--clr-gray-800);
    padding: 5rem 0 2rem 0;
    border-top: 1px solid var(--clr-gray-200);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand h2 { color: var(--clr-navy); font-size: 2.5rem; margin-bottom: 0.5rem; }
.footer-brand h2 span { color: var(--clr-orange); }
.footer-brand p { color: var(--clr-gray-600); margin-bottom: 2rem; font-size: 1.1rem; }

.certifications { display: flex; gap: 1rem; flex-wrap: wrap; }
.cert-badge {
    background: var(--clr-gray-50);
    border: 1px solid var(--clr-gray-200);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--clr-gray-800);
}
.cert-badge i { color: var(--clr-orange); }

.footer-contact h3 { color: var(--clr-navy); margin-bottom: 1.5rem; }
.footer-contact p { 
    color: var(--clr-gray-600); 
    margin-bottom: 1rem; 
    display: flex; 
    align-items: center; 
    gap: 1rem; 
}
.footer-contact i { color: var(--clr-orange); font-size: 1.2rem; }
.footer-contact a { color: var(--clr-gray-600); }
.footer-contact a:hover { color: var(--clr-orange); }

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--clr-gray-200);
    color: var(--clr-gray-600);
    font-size: 0.9rem;
}

/* ========================================================================
   ANIMATIONS 
   ======================================================================== */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* ========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ======================================================================== */
@media (max-width: 992px) {
    .about-grid, .footer-grid { grid-template-columns: 1fr; }
    .metrics-grid { grid-template-columns: 1fr 1fr; }
    .hero h1 { font-size: 3rem; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Hide default on mobile */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--clr-white);
        flex-direction: column;
        padding: 2rem;
        text-align: center;
        border-top: 1px solid var(--clr-gray-200);
        box-shadow: var(--shadow-md);
    }
    
    .nav-links.active { display: flex; }
    .mobile-menu-toggle { display: block; }

    .hero h1 { font-size: 2.5rem; }
    .hero p { font-size: 1.1rem; }
    .hero-actions { flex-direction: column; }
    
    .metrics-grid { grid-template-columns: 1fr; }
    
    .glass-panel { padding: 2rem; }
}

/* Lightbox Styles */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.lightbox.active {
    display: flex;
    opacity: 1;
}
.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.8);
}
.lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    color: white;
    font-size: 4rem;
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
}
.lightbox-close:hover {
    color: var(--clr-orange);
}
.gallery-img {
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.gallery-img:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.2);
}

/* Lightbox Navigation Arrows */
.lightbox-prev, .lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 4rem;
    font-weight: bold;
    cursor: pointer;
    padding: 1rem;
    user-select: none;
    transition: color 0.3s ease, transform 0.2s ease;
    z-index: 10000;
    text-shadow: 0 4px 10px rgba(0,0,0,0.8);
}
.lightbox-prev:active, .lightbox-next:active { transform: translateY(-50%) scale(0.9); }
.lightbox-prev:hover, .lightbox-next:hover { color: var(--clr-orange); }
.lightbox-prev { left: 2%; }
.lightbox-next { right: 2%; }