/*
GLOBAL DESIGN SYSTEM:
- Brand colors: red, black, white, blue
- Industry: home & commercial inspection
- Style: professional, clean, trustworthy
- No aggressive CTAs
*/

/* ===== CSS VARIABLES ===== */
:root {
    /* Brand Colors */
    --color-red: #E10600;
    --color-red-dark: #B00500;
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-blue: #1E3A5F;
    --color-blue-light: #2B5278;
    
    /* Neutral Tones */
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-heading: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Layout */
    --container-max: 1200px;
    --border-radius: 4px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
}

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

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

ul {
    list-style: none;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

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

/* ===== LAYOUT ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-2xl) 0;
}

.section-alt {
    background-color: var(--color-gray-50);
}

.section-title {
    text-align: center;
    font-size: 2.25rem;
    color: var(--color-black);
    margin-bottom: var(--spacing-xl);
}

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

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo img {
    height: 60px;
    width: auto;
}

/* Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-black);
    margin: 3px 0;
    transition: var(--transition);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    font-weight: 500;
    color: var(--color-gray-700);
    padding: var(--spacing-xs) 0;
    border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-red);
    border-bottom-color: var(--color-red);
}

.nav-link.phone {
    background-color: var(--color-red);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    border-bottom: none;
}

.nav-link.phone:hover {
    background-color: var(--color-red-dark);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-video {
    width: 100vw;
    height: 100%;
    display: block;
    border: none;
    margin-left: calc(-50vw + 50%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(26, 26, 26, 0.6), rgba(26, 26, 26, 0.4));
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--color-white);
    max-width: 800px;
    padding: 0 var(--spacing-md);
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: var(--color-white);
}

/* ===== PAGE HERO ===== */
.page-hero {
    position: relative;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.page-hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.page-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 26, 0.6);
}

.page-hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--color-white);
}

.page-hero-title {
    font-size: 2.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.page-hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-white);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--color-red-dark);
    border-color: var(--color-red-dark);
}

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

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

/* ===== GRIDS ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

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

/* ===== CARDS ===== */
.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.service-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transform: translateY(-4px);
}

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

.service-title {
    color: var(--color-blue);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

/* ===== FEATURES ===== */
.feature {
    padding: var(--spacing-md);
}

.feature-title {
    color: var(--color-blue);
    margin-bottom: var(--spacing-xs);
}

.feature-text {
    color: var(--color-gray-600);
}

/* ===== LINKS ===== */
.link {
    color: var(--color-red);
    font-weight: 600;
    border-bottom: 2px solid transparent;
}

.link:hover {
    border-bottom-color: var(--color-red);
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-blue-light) 100%);
    color: var(--color-white);
}

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

.cta-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-text {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    color: var(--color-white);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== CONTENT LAYOUTS ===== */
.content-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

.content-text h3 {
    color: var(--color-blue);
    margin-top: var(--spacing-lg);
}

.content-text-center {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
}

.content-subtitle {
    color: var(--color-blue);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

/* ===== LISTS ===== */
.checklist {
    list-style: none;
    margin-left: 0;
}

.checklist li {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-xs);
    position: relative;
}

.checklist li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-red);
    font-weight: bold;
}

/* ===== INFO BOXES ===== */
.info-box {
    background-color: var(--color-gray-50);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-red);
    margin-bottom: var(--spacing-md);
}

.info-box-title {
    color: var(--color-blue);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

/* ===== CONTACT PAGE ===== */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

/* Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.form-label {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-700);
}

.form-input,
.form-select,
.form-textarea {
    padding: var(--spacing-sm);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-textarea {
    resize: vertical;
}

/* Contact Info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-info-item {
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
}

.contact-info-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-info-value {
    font-size: 1.125rem;
    color: var(--color-black);
    font-weight: 600;
}

.contact-info-value a {
    color: var(--color-blue);
}

.contact-info-value a:hover {
    color: var(--color-red);
}

/* FAQ */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.faq-item {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
}

.faq-question {
    color: var(--color-blue);
    margin-bottom: var(--spacing-sm);
}

.faq-answer {
    color: var(--color-gray-600);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: var(--spacing-sm);
}

.footer-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.footer-text {
    color: var(--color-gray-300);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links a {
    color: var(--color-gray-300);
}

.footer-links a:hover {
    color: var(--color-red);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-contact a {
    color: var(--color-gray-300);
    font-size: 1.125rem;
}

.footer-contact a:hover {
    color: var(--color-red);
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-700);
    padding-top: var(--spacing-md);
    text-align: center;
    color: var(--color-gray-300);
    font-size: 0.875rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    .hero-title { font-size: 2rem; }
    .page-hero-title { font-size: 1.75rem; }
    .section-title { font-size: 1.75rem; }
    
    /* Navigation */
    .nav-toggle {
        display: flex;
    }
    
    .nav-list {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--color-white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: var(--spacing-xl) 0;
        gap: var(--spacing-md);
        transition: left 0.3s ease;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    }
    
    .nav-list.active {
        left: 0;
    }
    
    .nav-link.phone {
        display: block;
        width: 80%;
        text-align: center;
    }
    
    /* Hero */
    .hero {
        height: 450px;
    }
    
    .page-hero {
        height: 250px;
    }
    
    /* Layouts */
    .content-layout,
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .services-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-title { font-size: 1.5rem; }
    .hero-subtitle { font-size: 1rem; }
    
    .logo img {
        height: 50px;
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
}