/* ========================================
   ITSM Technology Enterprise - Stylesheet
   Colors: Orange (#FF6B35), Black (#1A1A1A), Blue (#0066CC)
   ======================================== */

:root {
    --primary-orange: #FF6B35;
    --primary-black: #1A1A1A;
    --primary-blue: #0066CC;
    --light-gray: #F5F5F5;
    --text-gray: #666666;
    --white: #FFFFFF;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--primary-black);
    background-color: var(--white);
}

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

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.nav-brand a {
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary-orange);
    line-height: 1;
}

.logo-subtitle {
    font-size: 12px;
    color: var(--primary-blue);
    letter-spacing: 1px;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--primary-black);
    font-weight: 500;
    transition: color 0.3s;
    padding: 8px 15px;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-black);
    margin: 3px 0;
    transition: 0.3s;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-black) 100%);
    color: var(--white);
    padding: 120px 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s;
}

.hero-content .lead {
    font-size: 24px;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1.2s;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-block;
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: #FF5722;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.4);
}

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

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

.btn-lg {
    padding: 18px 45px;
    font-size: 18px;
}

/* ========================================
   SERVICES SECTION
   ======================================== */

.services-preview {
    padding: 80px 0;
    background: var(--light-gray);
}

.section-title {
    text-align: center;
    font-size: 38px;
    margin-bottom: 50px;
    color: var(--primary-black);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-orange);
    margin: 15px auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.service-icon {
    font-size: 50px;
    color: var(--primary-orange);
    margin-bottom: 20px;
}

.service-icon i::before {
    content: "⚡";
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--primary-black);
}

.service-card p {
    color: var(--text-gray);
    margin-bottom: 20px;
}

.service-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.service-link:hover {
    color: var(--primary-orange);
}

/* ========================================
   WHY CHOOSE US
   ======================================== */

.why-choose {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.feature {
    text-align: center;
}

.feature-number {
    font-size: 48px;
    font-weight: bold;
    color: var(--primary-orange);
    opacity: 0.3;
    margin-bottom: 20px;
}

.feature h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary-black);
}

.feature p {
    color: var(--text-gray);
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
    background: var(--primary-orange);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--primary-black);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3,
.footer-col h4 {
    margin-bottom: 20px;
    color: var(--primary-orange);
}

.footer-col p {
    margin-bottom: 10px;
    opacity: 0.8;
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: all 0.3s;
}

.footer-col ul li a:hover {
    opacity: 1;
    color: var(--primary-orange);
    padding-left: 5px;
}

.footer-col i {
    margin-right: 10px;
    color: var(--primary-orange);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.7;
}

/* ========================================
   CONTACT FORM
   ======================================== */

.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 50px;
}

.contact-info {
    background: var(--light-gray);
    padding: 40px;
    border-radius: 10px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-info-item i {
    font-size: 24px;
    color: var(--primary-orange);
    margin-right: 20px;
    margin-top: 5px;
}

.contact-info-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

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

.form-group input,
.form-group textarea,
.form-group select {
    padding: 12px 15px;
    border: 2px solid #E0E0E0;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

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

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.alert {
    padding: 15px 20px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.alert-success {
    background: #D4EDDA;
    color: #155724;
    border: 1px solid #C3E6CB;
}

.alert-error {
    background: #F8D7DA;
    color: #721C24;
    border: 1px solid #F5C6CB;
}

/* ========================================
   SERVICES PAGE
   ======================================== */

.service-detail {
    padding: 80px 0;
}

.service-detail-card {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    margin-bottom: 40px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
}

.service-detail-card h2 {
    color: var(--primary-orange);
    margin-bottom: 20px;
    font-size: 32px;
}

.service-detail-card h3 {
    color: var(--primary-blue);
    margin-top: 25px;
    margin-bottom: 15px;
}

.service-detail-card ul {
    list-style: none;
    padding-left: 0;
}

.service-detail-card ul li {
    padding: 10px 0 10px 30px;
    position: relative;
    color: var(--text-gray);
}

.service-detail-card ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-orange);
    font-weight: bold;
}

/* ========================================
   ANIMATIONS
   ======================================== */

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

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        transition: left 0.3s;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .hero-content .lead {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 28px;
    }
}