/* ==================== Root & General ==================== */
:root {
    --primary-color: #1e40af;
    --secondary-color: #0f766e;
    --accent-color: #f97316;
    --light-bg: #f8fafc;
    --dark-bg: #1e293b;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #ffffff;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 3rem;
}

p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ==================== Navigation ==================== */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo h1 {
    font-size: 1.8rem;
    margin: 0;
}

.logo span {
    font-size: 0.8rem;
    opacity: 0.9;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: white;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.nav-menu a:hover {
    opacity: 0.8;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 5px 0;
    transition: 0.3s;
}

/* ==================== Hero Section ==================== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 120px 20px;
    text-align: center;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content h2 {
    font-size: 3.5rem;
    color: white;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

/* ==================== Buttons ==================== */
.cta-button {
    background: var(--accent-color);
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.cta-button:hover {
    background: #ea580c;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(249, 115, 22, 0.4);
}

/* ==================== About Section ==================== */
.about {
    padding: 80px 20px;
    background-color: var(--light-bg);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* ==================== Services Section ==================== */
.services {
    padding: 80px 20px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--accent-color);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.service-card p {
    font-size: 0.95rem;
}

/* ==================== Expertise Section ==================== */
.expertise {
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--light-bg) 0%, #e0f2fe 100%);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.expertise-item {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    position: relative;
}

.expertise-item .number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.expertise-item h3 {
    font-size: 1.2rem;
}

/* ==================== Why Us Section ==================== */
.why-us {
    padding: 80px 20px;
    background-color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 20px;
}

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

.feature h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

/* ==================== CTA Section ==================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 60px 20px;
    text-align: center;
}

.cta-section h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

/* ==================== Contact Section ==================== */
.contact {
    padding: 80px 20px;
    background-color: var(--light-bg);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.info-item h3 {
    margin-bottom: 0.5rem;
}

.info-item a {
    color: var(--primary-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.info-item a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

/* ==================== Footer ==================== */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 30px 20px;
    text-align: center;
}

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

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: white;
    font-size: 1.3rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
}

/* ==================== Responsive Design ==================== */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--primary-color);
        padding: 2rem;
        gap: 1rem;
        z-index: 999;
    }

    .nav-menu.active {
        display: flex;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-content h2 {
        font-size: 2.5rem;
    }

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

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer .container {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    h2 {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .nav-menu {
        padding: 1rem;
    }

    .cta-button {
        padding: 10px 20px;
        font-size: 0.95rem;
    }
}