/* 
   Nor-Tech IT Solutions LTD Website Styles
*/

/* ===== VARIABLES ===== */
:root {
    /* Colors */
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --medium-gray: #666666;
    --charcoal: #333333;
    --accent-blue: #007BFF;
    --accent-blue-hover: #0056b3;

    /* Typography */
    --heading-font: 'Montserrat', sans-serif;
    --body-font: 'Roboto', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;

    /* Other */
    --border-radius: 5px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--charcoal);
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

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

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

a:hover {
    color: var(--accent-blue-hover);
}

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--accent-blue);
}

.section-header p {
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-family: var(--heading-font);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

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

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    height: 80px;
    width: auto;
    max-width: 400px;
}

.nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
}

.nav-menu li {
    margin-left: var(--spacing-md);
}

.nav-menu a {
    color: var(--charcoal);
    font-weight: 500;
    padding: 0.5rem;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-blue);
    transition: var(--transition);
}

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

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

.hamburger {
    display: block;
    position: relative;
    width: 24px;
    height: 2px;
    background-color: var(--charcoal);
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--charcoal);
    transition: var(--transition);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

/* ===== HERO SECTION ===== */
.hero {
    padding: calc(var(--spacing-xl) * 2) 0 var(--spacing-xl);
    background-color: var(--white);
    background-image: url('../images/hero-background.png');
    background-size: cover;
    background-position: bottom;
    background-repeat: no-repeat;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    margin-bottom: var(--spacing-sm);
    font-size: 3rem;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--medium-gray);
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--accent-blue);
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    margin-bottom: var(--spacing-xs);
}

.service-card p {
    color: var(--medium-gray);
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

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

.about-text {
    max-width: none;
    text-align: left;
}

.about-graphic {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.feature i {
    color: var(--accent-blue);
    font-size: 1.25rem;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--accent-blue);
    margin-right: var(--spacing-sm);
    margin-top: 5px;
}

.contact-item h3 {
    margin-bottom: 5px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: var(--body-font);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

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

/* ===== FOOTER ===== */
.footer {
    background-color: var(--charcoal);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-links h3,
.footer-social h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

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

.footer-links ul li a {
    color: #aaa;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--accent-blue);
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--accent-blue);
    color: var(--white);
}

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

.footer-bottom p {
    color: #aaa;
    font-size: 0.875rem;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 992px) {
    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: var(--spacing-lg);
        transition: var(--transition);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }

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

    .nav-menu li {
        margin: 0 0 var(--spacing-md);
    }

    .nav-toggle {
        display: block;
    }

    .nav-toggle.active .hamburger {
        background-color: transparent;
    }

    .nav-toggle.active .hamburger::before {
        transform: rotate(45deg);
        top: 0;
    }

    .nav-toggle.active .hamburger::after {
        transform: rotate(-45deg);
        bottom: 0;
    }

    .hero {
        padding: calc(var(--spacing-xl) + 70px) 0 var(--spacing-lg);
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

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

    .about-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 576px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-logo {
        align-items: center;
    }

    .social-icons {
        justify-content: center;
    }

    .feature {
        justify-content: center;
    }

    .logo {
        height: 35px;
        max-width: 180px;
    }
}


/* ===== 404 ERROR PAGE ===== */
.error-404 {
    padding: calc(var(--spacing-xl) * 2) 0 var(--spacing-xl);
    background-color: var(--white);
    background-image: url('../images/hero-background.png');
    background-size: cover;
    background-position: bottom;
    background-repeat: no-repeat;
    text-align: center;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.error-content {
    max-width: 600px;
    margin: 0 auto;
}

.error-icon {
    font-size: 4rem;
    color: var(--accent-blue);
    margin-bottom: var(--spacing-md);
}

.error-404 h1 {
    font-size: 6rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: var(--spacing-xs);
    line-height: 1;
}

.error-404 h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--charcoal);
}

.error-404 p {
    font-size: 1.125rem;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-sm);
}

.error-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

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

.btn-secondary:hover {
    background-color: var(--accent-blue);
    color: var(--white);
}

.btn i {
    margin-right: var(--spacing-xs);
}

.helpful-links {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.helpful-links h3 {
    color: var(--charcoal);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.helpful-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    align-items: center;
}

.helpful-links ul li a {
    color: var(--accent-blue);
    font-weight: 500;
    transition: var(--transition);
}

.helpful-links ul li a:hover {
    color: var(--accent-blue-hover);
}

/* Responsive styles for 404 page */
@media (max-width: 768px) {
    .error-404 h1 {
        font-size: 4rem;
    }

    .error-404 h2 {
        font-size: 2rem;
    }

    .error-actions {
        flex-direction: column;
        align-items: center;
    }

    .error-actions .btn {
        width: 100%;
        max-width: 250px;
    }
}

@media (max-width: 576px) {
    .error-icon {
        font-size: 3rem;
    }

    .error-404 h1 {
        font-size: 3rem;
    }

    .error-404 h2 {
        font-size: 1.75rem;
    }

    .helpful-links ul {
        gap: var(--spacing-sm);
    }
}