/* 
=====================================================
   VALCRU SERVICE LLC - Main Stylesheet
   Theme: Professional Construction & Heavy Machinery Training
===================================================== 
*/

:root {
    /* Color Palette */
    --primary: #FDB813;      /* Construction Yellow */
    --primary-hover: #E5A510;
    --secondary: #111111;    /* Deep Black/Gray */
    --bg-dark: #1A1A1A;
    --bg-light: #F8F9FA;
    --text-main: #333333;
    --text-muted: #666666;
    --text-light: #FFFFFF;
    --border-color: #E2E8F0;
    --success: #22C55E;
    
    /* Typography */
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Shadows & Effects */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-yellow: 0 10px 20px -5px rgba(253, 184, 19, 0.4);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 8px;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--secondary);
    text-transform: uppercase;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.highlight {
    color: var(--primary);
}

.subtitle-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background-color: rgba(253, 184, 19, 0.15);
    color: #b38000;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 50px;
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--secondary);
    box-shadow: var(--shadow-yellow);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 15px 25px -5px rgba(253, 184, 19, 0.5);
}

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

.btn-secondary:hover {
    background-color: var(--text-light);
    color: var(--secondary);
    transform: translateY(-3px);
}

.btn-light {
    background-color: var(--text-light);
    color: var(--secondary);
}

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

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo span {
    color: var(--primary);
    font-weight: 500;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-btn {
    background-color: var(--primary);
    color: var(--secondary);
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius);
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
}

.nav-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    transition: var(--transition);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax effect */
    z-index: -1;
}

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

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--primary);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    margin-bottom: 1.5rem;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 4.5rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #E2E8F0;
    margin-bottom: 2.5rem;
    max-width: 600px;
    font-weight: 300;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 2;
}

.mouse {
    width: 30px;
    height: 45px;
    border: 2px solid rgba(255,255,255,0.6);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background-color: var(--primary);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 15px); opacity: 0; }
}

/* ==========================================================================
   Trust Banner
   ========================================================================== */
.trust-banner {
    background-color: var(--primary);
    padding: 3rem 0;
    position: relative;
    margin-top: -10px;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}

.trust-item {
    color: var(--secondary);
}

.trust-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.trust-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--secondary);
}

.trust-item p {
    font-weight: 600;
    text-transform: uppercase;
    font-family: var(--font-heading);
    letter-spacing: 1px;
}

/* ==========================================================================
   Training Section
   ========================================================================== */
.training {
    padding: 6rem 0;
    background-color: #FFFFFF;
}

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

.training-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.training-text > p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-list i {
    background-color: rgba(253, 184, 19, 0.1);
    color: var(--primary-hover);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.feature-list h4 {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.feature-list p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.training-image {
    position: relative;
}

.rounded-image {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    width: 100%;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background-color: var(--secondary);
    color: var(--text-light);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 5px solid var(--primary);
}

.exp-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.exp-text {
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-weight: 600;
    line-height: 1.2;
}

/* ==========================================================================
   Services Banner
   ========================================================================== */
.services-banner {
    background: linear-gradient(rgba(17, 17, 17, 0.9), rgba(17, 17, 17, 0.9)), url('images/hero.png') center/cover fixed;
    padding: 5rem 0;
    text-align: center;
    color: var(--text-light);
}

.services-banner h2 {
    color: var(--text-light);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.services-banner p {
    max-width: 600px;
    margin: 0 auto 2rem auto;
    font-size: 1.1rem;
    color: #E2E8F0;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact {
    padding: 6rem 0;
    background-color: var(--bg-light);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.contact-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-list li {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-hover);
    font-size: 1.25rem;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.info-text span {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    color: var(--secondary);
    margin-bottom: 0.25rem;
}

.info-text a, .info-text p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.info-text a:hover {
    color: var(--primary-hover);
}

/* Form Styles */
.contact-form-wrapper {
    background-color: #FFFFFF;
    padding: 3rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border-top: 5px solid var(--primary);
}

.form h3 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 500;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    color: var(--secondary);
    font-size: 0.9rem;
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--bg-light);
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(253, 184, 19, 0.2);
    background-color: #FFFFFF;
}

.btn-submit {
    width: 100%;
    margin-top: 1rem;
}

.btn-submit.success {
    background-color: var(--success);
    color: #FFFFFF;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--bg-dark);
    color: #FFFFFF;
    padding: 4rem 0 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand {
    max-width: 400px;
}

.footer-brand h2 {
    color: var(--text-light);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.footer-brand h2 span {
    color: var(--primary);
}

.footer-brand p {
    color: #A0AEC0;
    margin-top: 1rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-light);
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.footer-bottom {
    text-align: center;
    padding: 1.5rem 0;
    background-color: #111111;
    color: #A0AEC0;
    font-size: 0.9rem;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .training-content,
    .contact-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .experience-badge {
        bottom: -20px;
        left: 20px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: rgba(17, 17, 17, 0.98);
        flex-direction: column;
        padding: 2rem 0;
        clip-path: circle(0% at top right);
        transition: clip-path 0.5s ease-in-out;
    }

    .nav-menu.active {
        clip-path: circle(150% at top right);
    }

    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .trust-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
}