/* CSS Variables */
:root {
    --color-primary: #fd7014;
    --color-primary-hover: #e56310;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-bg: #ffffff;
    --color-bg-alt: #f9fafb;
    --color-border: #e5e7eb;
    --color-success: #059669;
    --color-error: #dc2626;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --max-width: 1120px;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: 150ms ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

/* Scroll margin for fixed header */
section[id] {
    scroll-margin-top: 5rem;
}

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

/* Typography */
h1, h2, h3 {
    line-height: 1.2;
    font-weight: 600;
}

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

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

/* Focus states for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

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

.logo-img {
    height: 28px;
    width: auto;
}

.nav {
    display: none;
}

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

.nav-link {
    color: var(--color-text-light);
    font-weight: 500;
}

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

.header-cta {
    display: none;
}

/* Mobile menu button */
.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 2rem;
    height: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition);
}

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

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile nav styles */
.nav.mobile-open {
    display: block;
    position: absolute;
    top: 4rem;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
}

.nav.mobile-open .nav-list {
    flex-direction: column;
    gap: 0;
    padding: 0 1.5rem;
}

.nav.mobile-open .nav-link {
    display: block;
    padding: 0.75rem 0;
}

/* Hero */
.hero {
    padding: 8rem 0 5rem;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.hero-container {
    max-width: 800px;
    text-align: center;
}

.hero-headline {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.hero-subhead {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.hero-ctas {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

/* Section styles */
.section-title {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    text-align: center;
}

/* Services */
.services {
    padding: 5rem 0;
    background-color: var(--color-bg);
}

.services-grid {
    display: grid;
    gap: 1.5rem;
}

.service-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition);
}

.service-card:hover {
    box-shadow: var(--shadow-lg);
}

.service-title {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.service-description {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* About */
.about {
    padding: 5rem 0;
    background-color: var(--color-bg-alt);
}

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

.about-mission {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.about-founder {
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.about-group {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* Contact */
.contact {
    padding: 5rem 0;
    background-color: var(--color-bg);
}

.contact-content {
    max-width: 500px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-weight: 500;
    font-size: 0.9375rem;
}

.form-input {
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: inherit;
    transition: border-color var(--transition);
}

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

.form-input.error {
    border-color: var(--color-error);
}

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

.form-error {
    font-size: 0.875rem;
    color: var(--color-error);
}

.btn-submit {
    margin-top: 0.5rem;
}

.contact-success {
    background-color: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    color: var(--color-success);
    font-weight: 500;
}

.contact-fallback {
    text-align: center;
    margin-top: 2rem;
    color: var(--color-text-light);
}

.email-link {
    font-weight: 500;
}

/* Footer */
.footer {
    padding: 2rem 0;
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.footer-info {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.footer-copyright {
    margin-bottom: 0.25rem;
}

.footer-privacy-link {
    background: none;
    border: none;
    color: var(--color-text-light);
    font-size: 0.875rem;
    cursor: pointer;
    text-decoration: underline;
    font-family: inherit;
}

.footer-privacy-link:hover {
    color: var(--color-primary);
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 200;
}

.modal-overlay[hidden] {
    display: none;
}

.modal {
    background-color: var(--color-bg);
    border-radius: var(--radius);
    max-width: 500px;
    width: 100%;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.modal-title {
    font-size: 1.125rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-light);
    line-height: 1;
    padding: 0;
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-body {
    padding: 1.5rem;
}

.privacy-list {
    list-style: disc;
    padding-left: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* Desktop styles */
@media (min-width: 640px) {
    .hero-headline {
        font-size: 2.5rem;
    }
    
    .hero-ctas {
        flex-direction: row;
        justify-content: center;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .nav {
        display: block;
    }
    
    .header-cta {
        display: inline-flex;
    }
    
    .mobile-menu-btn {
        display: none;
    }
    
    .hero {
        padding: 10rem 0 6rem;
    }
    
    .hero-headline {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-container {
        flex-direction: row;
        justify-content: space-between;
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .hero-headline {
        font-size: 3.25rem;
    }
}