/* ===================================
   Mills Northwest Heating & Cooling
   Premium Dark Luxury Theme
   Burgundy + Blush + Gold Accents
   =================================== */

:root {
    --bg-primary: #0D0D0D;
    --bg-secondary: #141414;
    --bg-tertiary: #1A1A1A;
    --bg-card: #181818;
    --bg-card-hover: #1E1E1E;
    
    --burgundy: #722F37;
    --burgundy-light: #8B3A42;
    --burgundy-dark: #5C2530;
    
    --blush: #F4C2C2;
    --blush-light: #F8D4D4;
    --blush-muted: #E8B4B4;
    
    --gold: #C4A882;
    --gold-light: #D4BC9A;
    --gold-dark: #A89070;
    
    --text-primary: #F5F5F5;
    --text-secondary: #B8B8B8;
    --text-muted: #888888;
    
    --border: rgba(196, 168, 130, 0.15);
    --border-hover: rgba(196, 168, 130, 0.3);
    
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===================================
   Navigation
   =================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.nav.scrolled {
    background: rgba(13, 13, 13, 0.98);
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    color: var(--gold);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: var(--transition);
}

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    background: transparent;
    border: 1px solid var(--gold);
    color: var(--gold) !important;
    padding: 10px 24px;
    border-radius: 4px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    background: var(--gold);
    color: var(--bg-primary) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    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(5px, -5px);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: 
        linear-gradient(135deg, rgba(13, 13, 13, 0.92) 0%, rgba(20, 20, 20, 0.88) 50%, rgba(114, 47, 55, 0.35) 100%),
        url('https://images.pexels.com/photos/5691503/pexels-photo-5691503.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080') center/cover no-repeat;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, 
        rgba(13, 13, 13, 0.6) 0%, 
        rgba(13, 13, 13, 0.4) 50%, 
        rgba(13, 13, 13, 0.8) 100%);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(114, 47, 55, 0.3), transparent),
        radial-gradient(circle at 80% 80%, rgba(196, 168, 130, 0.05), transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 120px 24px 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(196, 168, 130, 0.1);
    border: 1px solid rgba(196, 168, 130, 0.3);
    border-radius: 100px;
    color: var(--gold);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 32px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.text-gold {
    color: var(--gold);
    position: relative;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-trust {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.trust-item svg {
    color: var(--gold);
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
}

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

.btn-primary:hover {
    background: var(--burgundy-light);
    border-color: var(--burgundy-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(114, 47, 55, 0.4);
}

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

.btn-secondary:hover {
    border-color: var(--gold);
    color: var(--gold);
}

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

.btn-outline:hover {
    background: var(--gold);
    color: var(--bg-primary);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ===================================
   Section Styles
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-label {
    display: inline-block;
    color: var(--gold);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===================================
   Services Section
   =================================== */
.services {
    padding: 120px 0;
    background: var(--bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 40px 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--burgundy), var(--gold));
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(114, 47, 55, 0.15);
    border: 1px solid rgba(114, 47, 55, 0.3);
    border-radius: 12px;
    color: var(--blush);
    margin-bottom: 24px;
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 700px;
    object-fit: cover;
    border-radius: 8px;
    display: block;
}

.about-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--burgundy), transparent);
    border-radius: 8px;
    z-index: -1;
    opacity: 0.6;
}

.about-content {
    padding: 20px 0;
}

.about-content .section-label {
    text-align: left;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-text {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--gold);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===================================
   Why Us Section
   =================================== */
.why-us {
    padding: 120px 0;
    background: var(--bg-primary);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.why-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 48px 40px;
    transition: var(--transition);
    position: relative;
}

.why-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.why-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--burgundy);
    opacity: 0.4;
    line-height: 1;
    margin-bottom: 16px;
}

.why-card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.why-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===================================
   CTA Section
   =================================== */
.cta {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--burgundy-dark) 0%, var(--burgundy) 50%, var(--burgundy-dark) 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(196, 168, 130, 0.1), transparent 60%),
        radial-gradient(ellipse at 80% 50%, rgba(244, 194, 194, 0.08), transparent 60%);
    pointer-events: none;
}

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

.cta-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.cta-text {
    font-size: 1.1rem;
    color: rgba(245, 245, 245, 0.85);
    line-height: 1.7;
    margin-bottom: 40px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.contact-info .section-label,
.contact-info .section-title {
    text-align: left;
}

.contact-info .section-title {
    margin-bottom: 16px;
}

.contact-text {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    gap: 20px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(114, 47, 55, 0.15);
    border: 1px solid rgba(114, 47, 55, 0.3);
    border-radius: 10px;
    color: var(--blush);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
    color: var(--text-primary);
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    line-height: 1.6;
}

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

/* ===================================
   Contact Form
   =================================== */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 40px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 14px 16px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: var(--font-body);
    transition: var(--transition);
    width: 100%;
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888888' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group select option {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

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

.form-success {
    display: none;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(114, 47, 55, 0.15);
    border: 1px solid rgba(114, 47, 55, 0.3);
    border-radius: 4px;
    color: var(--blush);
    font-size: 0.95rem;
}

.form-success.show {
    display: flex;
}

.form-success svg {
    flex-shrink: 0;
}

/* ===================================
   Footer
   =================================== */
.footer {
    padding: 80px 0 40px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-top: 16px;
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.footer-logo-icon {
    color: var(--gold);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.footer-contact p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 8px;
}

.footer-contact a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-align: center;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .about-grid {
        gap: 48px;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(13, 13, 13, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 32px 24px;
        gap: 24px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .hero-trust {
        gap: 20px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image img {
        height: 400px;
    }
    
    .about-content .section-label,
    .about-content .section-title {
        text-align: center;
    }
    
    .about-text {
        text-align: center;
    }
    
    .about-stats {
        justify-content: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact-info .section-label,
    .contact-info .section-title {
        text-align: center;
    }
    
    .contact-text {
        text-align: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }
    
    .footer-brand p {
        max-width: none;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
    
    .service-card {
        padding: 32px 24px;
    }
    
    .why-card {
        padding: 32px 24px;
    }
}

/* ===================================
   Animations (progressive enhancement)
   =================================== */
@media (prefers-reduced-motion: no-preference) {
    .service-card,
    .why-card {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.6s ease, transform 0.6s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    }
}