/* ===================================
   Exfil Global - CSS Stylesheet
   Brand Colors: Orange #FF6600, Black #000000
   =================================== */

/* CSS Variables */
:root {
    --primary-orange: #FF6600;
    --primary-black: #000000;
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #7a7a7a;
    --bg-white: #ffffff;
    --bg-light: #f8f8f8;
    --bg-gray: #e5e5e5;
    --border-color: #dddddd;
    --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 8px 32px rgba(0, 0, 0, 0.16);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--primary-orange);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 102, 0, 0.3);
}

.btn-primary:hover {
    background: #e55a00;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 102, 0, 0.4);
}

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

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

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 20px;
}

.logo img {
    height: 80px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
    margin: 0;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-orange);
    transition: width 0.3s ease;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-black) 0%, #2a2a2a 100%);
    color: white;
    text-align: center;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 102, 0, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-title {
    font-size: 5.5rem;
    margin-bottom: 1.5rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -2px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.35rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 2rem;
    color: var(--primary-orange);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* Animations */
.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s backwards;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s backwards;
}

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

/* Section Styles */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 800;
}

.title-divider {
    width: 80px;
    height: 4px;
    background: var(--primary-orange);
    margin: 0 auto 20px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-medium);
    max-width: 700px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text {
    font-size: 1.1rem;
}

.about-text .lead {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: 1.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.stat-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.stat-icon {
    font-size: 2.5rem;
    color: var(--primary-orange);
    margin-bottom: 15px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-black);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-medium);
    font-weight: 600;
}

/* Sectors Section */
.sectors {
    background: white;
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.sector-card {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 16px;
    transition: var(--transition);
    border: 3px solid transparent;
}

.sector-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-orange);
}

.sector-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 2.2rem;
    color: white;
}

.sector-title {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--primary-black);
}

.sector-description {
    font-size: 1.1rem;
    color: var(--text-medium);
    margin-bottom: 25px;
}

.sector-features {
    list-style: none;
    margin-bottom: 30px;
}

.sector-features li {
    padding: 12px 0;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
}

.sector-features i {
    color: var(--primary-orange);
    font-size: 1.1rem;
}

.sector-cta {
    margin-top: auto;
}

.sector-link {
    color: var(--primary-orange);
    font-weight: 600;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.sector-link:hover {
    gap: 12px;
}

.sector-link i {
    transition: var(--transition);
}

/* Why Us Section */
.why-us {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    color: white;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-black);
}

.feature-description {
    color: var(--text-medium);
    font-size: 1rem;
    line-height: 1.7;
}

/* Contact Section */
.contact {
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--primary-black);
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
    font-size: 1.3rem;
}

.contact-details h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--primary-black);
}

.contact-details p {
    color: var(--text-medium);
    margin: 0;
}

.contact-details a {
    color: var(--primary-orange);
    font-weight: 500;
}

.contact-details a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form-wrapper {
    position: relative;
}

.contact-form {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 12px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-black);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-orange);
}

.form-group textarea {
    resize: vertical;
}

.btn-submit {
    width: 100%;
    font-size: 1.1rem;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.form-success {
    display: none;
    background: #4CAF50;
    color: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
}

.form-success.show {
    display: block;
}

.form-success i {
    font-size: 3rem;
    margin-bottom: 15px;
}

.form-success p {
    font-size: 1.2rem;
    margin: 0;
}

/* Footer */
.footer {
    background: var(--primary-black);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    font-weight: 500;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    color: var(--primary-orange);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* Responsive Design */
@media (max-width: 968px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .logo img {
        height: 65px;
    }
    
    .hero-title {
        font-size: 3.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.15rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .sectors-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: white;
        flex-direction: column;
        padding: 40px;
        gap: 20px;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .logo img {
        height: 55px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .logo img {
        height: 45px;
    }
    
    .hero-title {
        font-size: 2rem;
        letter-spacing: -1px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
    
    .sector-card,
    .feature-card {
        padding: 30px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
}