/* ===================================
   CSS Reset & Base Styles
   =================================== */

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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #7c3aed;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --error-color: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

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

ul {
    list-style: none;
}

/* ===================================
   Layout & Container
   =================================== */

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

/* ===================================
   Header & Navigation
   =================================== */

header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    border-radius: 2px;
    transition: 0.3s;
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

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

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: white;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   Page Hero (Subpages)
   =================================== */

.page-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.page-hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-hero p {
    font-size: 1.125rem;
    color: white;
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

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

.btn-link {
    color: var(--primary-color);
    font-weight: 600;
    transition: color 0.3s;
}

.btn-link:hover {
    color: var(--primary-dark);
}

/* ===================================
   Sections
   =================================== */

section {
    padding: 4rem 0;
}

section h2 {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

section p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ===================================
   Services Overview
   =================================== */

.services-overview {
    background-color: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.service-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.service-card p {
    margin-bottom: 1.5rem;
}

/* ===================================
   Features Grid
   =================================== */

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

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

.feature {
    text-align: center;
    padding: 1.5rem;
}

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

/* ===================================
   CTA Section
   =================================== */

.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 5rem 0;
}

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

.cta-section p {
    color: white;
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

/* ===================================
   Services Detail Pages
   =================================== */

.services-detail {
    padding: 4rem 0;
}

.service-detail-card {
    background-color: var(--bg-light);
    padding: 3rem;
    border-radius: 0.75rem;
    text-align: center;
    margin-bottom: 2rem;
}

.service-detail-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.service-intro {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

/* ===================================
   Process Steps
   =================================== */

.process-section {
    background-color: var(--bg-light);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step h3 {
    margin-bottom: 0.5rem;
}

/* ===================================
   Service Content Pages
   =================================== */

.service-content {
    padding: 4rem 0;
}

.content-section {
    max-width: 900px;
    margin: 0 auto 3rem;
}

.content-section h2 {
    text-align: left;
    margin-bottom: 1.5rem;
}

.offerings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.offering-card {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border-left: 4px solid var(--primary-color);
}

.offering-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.process-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.process-item {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 0.5rem;
}

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

.use-cases,
.benefits-list,
.ordered-list {
    padding-left: 1.5rem;
}

.use-cases li,
.benefits-list li,
.ordered-list li {
    list-style: disc;
    margin-bottom: 0.75rem;
    color: var(--text-light);
    line-height: 1.8;
}

.ordered-list {
    list-style: decimal;
}

.disclaimer-box {
    background-color: #fef3c7;
    border-left: 4px solid #f59e0b;
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin: 2rem auto;
    max-width: 900px;
}

.disclaimer-box h3 {
    color: #92400e;
    margin-bottom: 0.5rem;
}

.disclaimer-box p {
    color: #78350f;
}

/* ===================================
   About Page
   =================================== */

.about-content {
    padding: 4rem 0;
}

.about-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.about-service {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 0.5rem;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.philosophy-item {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 0.5rem;
}

.philosophy-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

/* ===================================
   Contact Page
   =================================== */

.contact-content {
    padding: 4rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: start;
}

.contact-info h2 {
    text-align: left;
    margin-bottom: 1rem;
}

.contact-details {
    margin: 2rem 0;
}

.contact-item {
    margin-bottom: 1.5rem;
}

.contact-item h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: var(--primary-color);
}

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

.services-reminder {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-top: 2rem;
}

.services-reminder h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.services-reminder ul {
    padding-left: 1.5rem;
}

.services-reminder li {
    list-style: disc;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

/* ===================================
   Contact Form
   =================================== */

.contact-form-container {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 0.75rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

.form-group textarea {
    resize: vertical;
}

.form-message {
    padding: 1rem;
    border-radius: 0.5rem;
    text-align: center;
    display: none;
}

.form-message.success {
    background-color: #d1fae5;
    color: #065f46;
    display: block;
}

.form-message.error {
    background-color: #fee2e2;
    color: #991b1b;
    display: block;
}

/* ===================================
   Legal Pages
   =================================== */

.legal-content {
    padding: 4rem 0;
}

.legal-section {
    max-width: 900px;
    margin: 0 auto 3rem;
}

.legal-section h2 {
    text-align: left;
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.legal-section h3 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.legal-section p {
    margin-bottom: 1rem;
}

.legal-section ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.legal-section li {
    list-style: disc;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.legal-section a {
    color: var(--primary-color);
}

.legal-section a:hover {
    text-decoration: underline;
}

/* ===================================
   Footer
   =================================== */

footer {
    background-color: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }

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

    .menu-toggle {
        display: flex;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .page-hero h1 {
        font-size: 1.75rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

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

    .services-grid,
    .features-grid,
    .process-steps,
    .offerings-grid {
        grid-template-columns: 1fr;
    }

    section h2 {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 3rem 0;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    section {
        padding: 2rem 0;
    }

    .contact-form-container {
        padding: 1.5rem;
    }
}