/* CSS Variables */
:root {
    --color-primary: #1a365d;
    --color-secondary: #2d3748;
    --color-accent: #2c5282;
    --color-bg-light: #f7fafc;
    --color-bg-white: #ffffff;
    --color-text-dark: #1a202c;
    --color-text-light: #4a5568;
    --color-text-white: #ffffff;
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text-dark);
    line-height: 1.6;
    background-color: var(--color-bg-white);
}

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

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    background-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    color: var(--color-text-white);
    font-size: 1.25rem;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-text-white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.nav-link:hover {
    color: #cbd5e0;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-text-white);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background-color: var(--color-bg-light);
    padding: var(--spacing-xxl) var(--spacing-md);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-content {
    order: 2;
}

.hero-title {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.hero-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.hero-features li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-text-dark);
}

.hero-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.cta-button {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-text-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    margin-bottom: 2rem;
}

.cta-button:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
}

.hero-image {
    order: 1;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Section Styles */
section {
    padding: var(--spacing-xxl) var(--spacing-md);
}

.section-title {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.section-intro {
    font-size: 1.125rem;
    color: var(--color-text-light);
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

/* Services Section */
.services {
    background-color: var(--color-bg-white);
}

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

.service-card {
    background-color: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-accent);
    transition: var(--transition);
}

.service-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.service-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.service-card p {
    color: var(--color-text-light);
}

/* Experience Section */
.experience {
    background-color: var(--color-bg-light);
}

.experience-block {
    background-color: var(--color-bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.experience-period {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: var(--spacing-xs);
}

.experience-list {
    list-style: none;
    padding-left: 0;
}

.experience-list li {
    padding: var(--spacing-sm) 0;
    color: var(--color-text-dark);
    border-bottom: 1px solid #e2e8f0;
}

.experience-list li:last-child {
    border-bottom: none;
}

.experience-list strong {
    color: var(--color-primary);
}

.experience-closing {
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-text-dark);
    font-weight: 500;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--color-bg-white);
    border-radius: var(--border-radius);
}

/* Process Section */
.process {
    background-color: var(--color-bg-white);
}

.process-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.process-step {
    background-color: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--color-accent);
    color: var(--color-text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto var(--spacing-md);
}

.process-step h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.process-step p {
    color: var(--color-text-light);
}

/* Contact Section */
.contact {
    background-color: var(--color-bg-light);
}

.contact-info {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--color-bg-white);
    border-radius: var(--border-radius);
}

.contact-info p {
    margin: var(--spacing-sm) 0;
    color: var(--color-text-dark);
    font-size: 1.125rem;
}

.contact-info strong {
    color: var(--color-primary);
}

.contact-form-wrapper {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-bg-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.contact-form-wrapper iframe {
    width: 100%;
    min-height: 800px;
    border: none;
    display: block;
}

/* Footer */
.footer {
    background-color: var(--color-secondary);
    color: var(--color-text-white);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
}

.footer p {
    margin: var(--spacing-xs) 0;
}

/* Responsive Design - Tablet */
@media (min-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }

    .hero-content {
        order: 1;
    }

    .hero-image {
        order: 2;
    }

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

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .section-title {
        font-size: 2.5rem;
    }
}

/* Responsive Design - Desktop */
@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }

    .nav-menu {
        display: flex;
    }

    .hero-title {
        font-size: 3rem;
    }

    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .process-steps {
        grid-template-columns: repeat(4, 1fr);
    }

    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* Mobile Menu */
@media (max-width: 767px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background-color: var(--color-primary);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: var(--spacing-lg) 0;
    }

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

    .nav-link {
        padding: var(--spacing-sm);
        display: block;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

/* Responsive iframe */
@media (max-width: 768px) {
    .contact-form-wrapper iframe {
        min-height: 600px;
    }
}