/* ========================================
   ELEMENTS - PROFESSIONAL IT CONSULTING WEBSITE
   CSS Stylesheet
   ======================================== */

/* ========================================
   1. ROOT & VARIABLES
   ======================================== */

:root {
    --primary-color: #0F6E56;
    --primary-light: #1D9E75;
    --secondary-color: #185FA5;
    --secondary-light: #378ADD;
    --accent-color: #E24B4A;
    --text-primary: #2C2C2A;
    --text-secondary: #5F5E5A;
    --text-light: #888780;
    --bg-white: #FFFFFF;
    --bg-light: #F1EFE8;
    --bg-lighter: #FAF9F7;
    --border-color: #D3D1C7;
    --border-light: #E8E6DE;
    --success-color: #639922;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #1D9E75;
        --primary-light: #5DCAA5;
        --secondary-color: #378ADD;
        --secondary-light: #85B7EB;
        --text-primary: #F1EFE8;
        --text-secondary: #B4B2A9;
        --text-light: #888780;
        --bg-white: #2C2C2A;
        --bg-light: #444441;
        --bg-lighter: #3C3C3A;
        --border-color: #5F5E5A;
        --border-light: #444441;
    }
}

/* ========================================
   2. GLOBAL STYLES
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

a:hover {
    color: var(--primary-light);
}

button {
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   3. NAVIGATION
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition);
}

@media (prefers-color-scheme: dark) {
    .navbar {
        background-color: rgba(44, 44, 42, 0.95);
    }
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition);
    padding: var(--spacing-xs) 0;
    border-bottom: 2px solid transparent;
}

.nav-links a:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

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

    .nav-links {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
        background-color: var(--bg-white);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    @media (prefers-color-scheme: dark) {
        .nav-links {
            background-color: var(--bg-light);
        }
    }

    .nav-links.active {
        max-height: 400px;
    }

    .nav-links a {
        padding: var(--spacing-sm) 0;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(10px, 10px);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

/* Account for navbar height */
body {
    padding-top: 70px;
}

/* ========================================
   4. HERO SECTION
   ======================================== */

.hero {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-lighter) 100%);
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
    opacity: 0.05;
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--secondary-light) 0%, transparent 70%);
    opacity: 0.05;
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.05rem;
    }

    .hero {
        min-height: 500px;
        padding: var(--spacing-lg) var(--spacing-md);
    }
}

/* ========================================
   5. BUTTONS
   ======================================== */

.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--primary-light);
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(15, 110, 86, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

/* ========================================
   6. SECTIONS & HEADERS
   ======================================== */

section {
    padding: var(--spacing-2xl) var(--spacing-md);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 0.8s ease;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .section-header h2 {
        font-size: 1.8rem;
    }

    section {
        padding: var(--spacing-xl) var(--spacing-md);
    }
}

/* ========================================
   7. ABOUT SECTION
   ======================================== */

#about {
    background-color: var(--bg-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.about-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.about-highlights {
    display: grid;
    gap: var(--spacing-md);
}

.highlight-card {
    background-color: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.highlight-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(15, 110, 86, 0.1);
}

.highlight-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.highlight-card h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.highlight-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0;
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* ========================================
   8. SERVICES SECTION
   ======================================== */

#services {
    background-color: var(--bg-lighter);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background-color: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease;
}

.service-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: 0 8px 24px rgba(15, 110, 86, 0.15);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.service-card h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   9. WHY CHOOSE SECTION
   ======================================== */

#why-choose {
    background-color: var(--bg-white);
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.reason-card {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
    background-color: var(--bg-light);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease;
}

.reason-card:hover {
    border-left-color: var(--primary-light);
    background-color: var(--bg-lighter);
    transform: translateX(4px);
}

.reason-icon {
    display: inline-block;
    width: 32px;
    height: 32px;
    background-color: var(--success-color);
    color: var(--bg-white);
    border-radius: 50%;
    text-align: center;
    line-height: 32px;
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.reason-card h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.reason-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0;
}

/* ========================================
   10. TARGET CLIENTS SECTION
   ======================================== */

#clients {
    background-color: var(--bg-lighter);
}

.clients-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.clients-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.clients-list {
    text-align: left;
    margin: var(--spacing-lg) auto;
    padding: 0 var(--spacing-lg);
    max-width: 600px;
}

.clients-list li {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    position: relative;
    padding-left: var(--spacing-lg);
}

.clients-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.clients-closing {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-top: var(--spacing-lg);
    line-height: 1.8;
}

/* ========================================
   11. CONTACT SECTION
   ======================================== */

#contact {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--bg-white);
}

#contact .section-header h2,
#contact .section-subtitle {
    color: var(--bg-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-item h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--bg-white);
}

.info-item p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

.contact-details {
    margin-top: var(--spacing-md);
}

.contact-details p {
    margin-bottom: var(--spacing-sm);
}

.contact-details a {
    color: var(--bg-white);
    text-decoration: none;
    font-weight: 500;
}

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

.contact-form {
    background-color: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-primary);
    background-color: var(--bg-white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(15, 110, 86, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    width: 100%;
    margin-top: var(--spacing-sm);
}

.form-note {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
    margin-top: var(--spacing-md);
}

@media (max-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* ========================================
   12. FOOTER
   ======================================== */

.footer {
    background-color: var(--text-primary);
    color: var(--bg-white);
    padding: var(--spacing-2xl) var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h3,
.footer-section h4 {
    color: var(--bg-white);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

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

.footer-section a:hover {
    color: var(--bg-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom a:hover {
    color: var(--bg-white);
}

/* ========================================
   13. ANIMATIONS
   ======================================== */

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scroll animation for cards */
.service-card,
.reason-card,
.highlight-card {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
}

/* ========================================
   14. UTILITY CLASSES
   ======================================== */

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

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

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

.mt-small {
    margin-top: var(--spacing-sm);
}

.mt-medium {
    margin-top: var(--spacing-md);
}

.mt-large {
    margin-top: var(--spacing-lg);
}

.mb-small {
    margin-bottom: var(--spacing-sm);
}

.mb-medium {
    margin-bottom: var(--spacing-md);
}

.mb-large {
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   15. ACCESSIBILITY
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* ========================================
   16. PRINT STYLES
   ======================================== */

@media print {
    .navbar,
    .footer {
        display: none;
    }

    body {
        padding-top: 0;
    }

    section {
        page-break-inside: avoid;
    }
}