/* RESET & CORE VARIABLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Corporate Colors */
    --color-bg: #f9fbfc;
    --color-surface: #ffffff;
    --color-primary: #f0b90b; /* Professional Dark Yellow/Gold */
    --color-primary-hover: #d2a108;
    --color-text: #222222;
    --color-text-muted: #555555;
    --color-border: #e0e5eb;
    --color-dark: #12151c;
    
    --font-stack: 'Inter', sans-serif;
    --transition: all 0.3s ease-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-stack);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* UTILITIES */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: 100px 0;
}

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

.text-center {
    text-align: center;
}

.mt-80 {
    margin-top: 80px;
}

/* TYPOGRAPHY */
h1, h2, h3, h4 {
    font-weight: 800;
    line-height: 1.2;
    color: var(--color-dark);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: 20px; }
h2 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 20px; }
h3 { font-size: 1.5rem; margin-bottom: 15px; }

p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.divider {
    height: 4px;
    width: 60px;
    background-color: var(--color-primary);
    margin-bottom: 30px;
}
.divider.text-center {
    margin-left: auto;
    margin-right: auto;
}

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 14px 28px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(240, 185, 11, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: #fff;
    border-color: #fff;
}

.btn-outline:hover {
    background-color: #fff;
    color: var(--color-dark);
    transform: translateY(-2px);
}

/* NAVBAR */
.navbar {
    position: fixed;
    top: 0; left: 0; width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    color: var(--color-dark);
}
.logo-accent {
    color: var(--color-primary);
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a:not(.btn) {
    color: var(--color-dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a:not(.btn):hover {
    color: var(--color-primary);
}

/* Mobile Toggle Placeholder */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

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

.hero-slider {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 1;
}

.slide {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.parallax-bg {
    width: 100%;
    height: 120%;
    object-fit: cover;
    object-position: center;
    transform: translateY(0);
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(18,21,28,0.9) 0%, rgba(18,21,28,0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    color: #ffffff;
    max-width: 800px;
}

.hero-content h1 {
    color: #ffffff;
}

.hero-content p {
    color: #e0e5eb;
    font-size: 1.25rem;
}

.badge {
    display: inline-block;
    padding: 6px 12px;
    background-color: var(--color-primary);
    color: var(--color-dark);
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
    border-radius: 2px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

/* STATS */
.stats-section {
    background-color: var(--color-surface);
    padding: 60px 0;
    border-bottom: 1px solid var(--color-border);
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1;
    margin-bottom: 5px;
}

.stat-value .counter {
    color: var(--color-primary);
}

.stat-label {
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

/* CAPABILITIES CARDS */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.card {
    background: var(--color-surface);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.06);
    border-color: var(--color-primary);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 15px;
}

/* IMAGE GALLERY */
.gallery-section {
    padding-bottom: 100px;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    height: 300px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

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

.gallery-item:hover img {
    transform: scale(1.08); /* slight realistic hover effect */
}

/* SPLIT LAYOUT */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.split-layout.reverse {
    direction: rtl;
}
.split-layout.reverse > * {
    direction: ltr;
}

.split-image {
    width: 100%;
    height: 500px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.hover-scale {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.split-image:hover .hover-scale {
    transform: scale(1.05);
}

.check-list {
    list-style: none;
    margin-top: 20px;
}

.check-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    font-weight: 600;
    color: var(--color-dark);
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-primary);
    font-weight: 800;
}

/* CTA FORM */
.call-to-action {
    position: relative;
    background-color: var(--color-dark);
    color: #fff;
    padding: 100px 0;
}

.cta-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: linear-gradient(45deg, rgba(240, 185, 11, 0.05) 25%, transparent 25%, transparent 50%, rgba(240, 185, 11, 0.05) 50%, rgba(240, 185, 11, 0.05) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    text-align: center;
    margin: 0 auto;
}

.cta-content h2 {
    color: #fff;
}

.corporate-form {
    background: var(--color-surface);
    padding: 40px;
    border-radius: 8px;
    margin-top: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    text-align: left;
}

.form-row {
    display: flex;
    gap: 20px;
}

.corporate-form input,
.corporate-form select,
.corporate-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-stack);
    font-size: 1rem;
    transition: var(--transition);
}

.corporate-form input:focus,
.corporate-form select:focus,
.corporate-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(240, 185, 11, 0.1);
}

.submit-btn {
    width: 100%;
    border: none;
}

/* FOOTER */
.footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 80px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-links h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-links ul {
    list-style: none;
}
.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--color-border);
    padding-top: 20px;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ANIMATION CLASSES */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-up.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-fade {
    opacity: 0;
    transition: opacity 1s ease-out;
}
.reveal-fade.active {
    opacity: 1;
}

/* Optional staggering */
.stagger-1 { transition-delay: 100ms; }
.stagger-2 { transition-delay: 200ms; }
.stagger-3 { transition-delay: 300ms; }

/* RESPONSIVE */
@media (max-width: 900px) {
    .split-layout, .split-layout.reverse {
        grid-template-columns: 1fr;
    }
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    .footer-content {
        grid-template-columns: 1fr;
    }
    .nav-links {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
    .hero-buttons {
        flex-direction: column;
    }
}