/* 101 Local Duct Cleaning - Clean White Design System */

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2C3E50;
    background-color: #FFFFFF;
    overflow-x: hidden;
}

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

/* =====================================================
   TYPOGRAPHY
   ===================================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: #2C3E50;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    color: #1A202C;
}

h3 {
    font-size: 1.75rem;
    color: #2D3748;
}

p {
    margin-bottom: 1rem;
    color: #4A5568;
    font-size: 1.05rem;
}

/* =====================================================
   PROMOTIONAL BANNER (STICKY TOP)
   ===================================================== */
.promo-banner {
    background: linear-gradient(135deg, #E63946 0%, #D62828 100%);
    color: white;
    text-align: center;
    padding: 12px 20px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 2000;
    box-shadow: 0 2px 10px rgba(230, 57, 70, 0.3);
    animation: promo-pulse 2s ease-in-out infinite;
}

@keyframes promo-pulse {

    0%,
    100% {
        box-shadow: 0 2px 10px rgba(230, 57, 70, 0.3);
    }

    50% {
        box-shadow: 0 4px 20px rgba(230, 57, 70, 0.5);
    }
}

.promo-banner-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.promo-text {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.promo-discount {
    font-size: 1.5rem;
    font-weight: 900;
    color: #FFD700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.promo-cta {
    background: white;
    color: #E63946;
    padding: 8px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.promo-cta:hover {
    background: #FFD700;
    color: #2C3E50;
    transform: scale(1.05);
}

/* =====================================================
   HEADER & NAVIGATION
   ===================================================== */
.header {
    background: #FFFFFF;
    position: fixed;
    top: 46px;
    /* Below promo banner */
    left: 0;
    right: 0;
    z-index: 2001;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-image {
    height: 60px;
    width: auto;
    object-fit: contain;
}

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

.nav-menu a {
    text-decoration: none;
    color: #2C3E50;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #FF6B35;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #FF6B35;
    transition: width 0.3s ease;
}

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

.nav-menu a.active {
    color: #FF6B35;
}

.nav-contact {
    display: flex;
    align-items: center;
    gap: 15px;
}

.phone-link {
    background: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
    display: flex;
    align-items: center;
    gap: 8px;
}

.phone-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #FF6B35;
    margin: 3px 0;
    transition: 0.3s;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: white;
    color: #FF6B35;
    border: 2px solid #FF6B35;
}

.btn-secondary:hover {
    background: #FF6B35;
    color: white;
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, #28A745 0%, #20873A 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
    margin-top: 110px;
    /* Account for fixed header + promo banner */
    padding: 80px 20px;
    background: linear-gradient(135deg, #F8F9FA 0%, #E9ECEF 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('images/Duct Cleaning Banner.jpg') center/cover no-repeat;
    opacity: 0.1;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    color: #1A202C;
    margin-bottom: 1.5rem;
    font-size: 3.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #FF6B35;
    font-weight: 600;
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.2rem;
    color: #4A5568;
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.promo-badge-float {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #E63946;
    color: white;
    padding: 20px;
    border-radius: 50%;
    width: 120px;
    height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(230, 57, 70, 0.4);
    animation: float-badge 3s ease-in-out infinite;
    z-index: 2;
}

@keyframes float-badge {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

.promo-badge-float .discount {
    font-size: 2rem;
    font-weight: 900;
    line-height: 1;
}

.promo-badge-float .label {
    font-size: 0.7rem;
    font-weight: 600;
    margin-top: 5px;
}

/* =====================================================
   SECTION HEADERS
   ===================================================== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #FF6B35, #F7931E);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.15rem;
    color: #6C757D;
    max-width: 700px;
    margin: 0 auto;
}

/* =====================================================
   SERVICES SECTION
   ===================================================== */
.services {
    padding: 80px 0;
    background: #FFFFFF;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: #FFFFFF;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid #F8F9FA;
    position: relative;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: #FF6B35;
}

.service-promo-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #E63946;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
    z-index: 10;
    box-shadow: 0 4px 10px rgba(230, 57, 70, 0.3);
}

.service-image {
    height: 250px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-content {
    padding: 1.5rem;
}

.service-content h3 {
    margin-bottom: 1rem;
    color: #2C3E50;
}

.service-content p {
    margin-bottom: 1rem;
    color: #4A5568;
}

.service-content ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.service-content li {
    padding: 0.4rem 0;
    color: #4A5568;
    position: relative;
    padding-left: 1.5rem;
}

.service-content li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #28A745;
    font-weight: bold;
    font-size: 1.1rem;
}

/* =====================================================
   ABOUT SECTION
   ===================================================== */
.about-us {
    padding: 80px 0;
    background: #F8F9FA;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.credentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.credential-item {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    display: flex;
    gap: 1rem;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.credential-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.credential-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #FF6B35, #F7931E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-item {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #FF6B35;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.95rem;
    color: #6C757D;
    font-weight: 500;
}

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

.mission-content,
.values-content {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.values-list {
    list-style: none;
    padding: 0;
}

.values-list li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.values-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: #FF6B35;
    font-weight: bold;
}

/* =====================================================
   WHY CHOOSE US
   ===================================================== */
.why-choose-us {
    padding: 80px 0;
    background: #FFFFFF;
}

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

.feature-card {
    background: #F8F9FA;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: #FF6B35;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #FF6B35, #F7931E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.8rem;
}

/* =====================================================
   TESTIMONIALS
   ===================================================== */
.testimonials-section {
    padding: 80px 0;
    background: #F8F9FA;
}

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

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.stars {
    color: #FFD700;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.testimonial-author {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px solid #F8F9FA;
}

.testimonial-author strong {
    color: #2C3E50;
    display: block;
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    color: #6C757D;
    font-size: 0.9rem;
}

/* =====================================================
   CONTACT SECTION
   ===================================================== */
.contact {
    padding: 80px 0;
    background: #FFFFFF;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #FF6B35, #F7931E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-right: 1rem;
    flex-shrink: 0;
}

.contact-item h4 {
    color: #2C3E50;
    margin-bottom: 0.5rem;
}

.contact-item p {
    margin: 0;
    color: #4A5568;
}

.contact-item a {
    color: #FF6B35;
    text-decoration: none;
    font-weight: 500;
}

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

/* Contact Form */
.contact-form {
    background: #F8F9FA;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #E9ECEF;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
    background: white;
    color: #2C3E50;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #FF6B35;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

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

/* =====================================================
   FAQ SECTION
   ===================================================== */
.advanced-faq-section {
    padding: 80px 0;
    background: #F8F9FA;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 1rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: #F8F9FA;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
    color: #2C3E50;
}

.faq-toggle {
    font-size: 1.5rem;
    color: #FF6B35;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: #4A5568;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    background: #2C3E50;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section li {
    color: #CBD5E0;
    margin-bottom: 0.5rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: #CBD5E0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #FF6B35;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #4A5568;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #FF6B35;
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid #4A5568;
    padding-top: 2rem;
    text-align: center;
    color: #CBD5E0;
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */
@media (max-width: 768px) {

    /* Promo Banner */
    .promo-banner {
        padding: 10px 15px;
    }

    .promo-text {
        font-size: 0.9rem;
    }

    .promo-discount {
        font-size: 1.2rem;
    }

    /* Hide desktop promo content on mobile */
    .promo-banner-content {
        display: none;
    }

    /* Show mobile-only promo content on one line */
    .promo-banner::before {
        content: '40% OFF - Limited Time Only!';
        display: block;
        font-size: 1.1rem;
        font-weight: 700;
        letter-spacing: 0.5px;
    }

    .promo-banner::after {
        content: '';
        display: none;
    }

    /* Header */
    .header {
        top: 42px;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 130px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.1);
        padding: 2rem 0;
        z-index: 999;
    }

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

    .nav-menu li {
        margin: 1rem 0;
    }

    .hamburger {
        display: flex;
    }

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

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .logo-image {
        height: 45px;
    }

    .phone-link {
        font-size: 0.9rem;
        padding: 10px 18px;
    }

    /* Hero */
    .hero {
        margin-top: 100px;
        padding: 60px 20px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .promo-badge-float {
        width: 90px;
        height: 90px;
        padding: 15px;
        top: 10px;
        right: 10px;
    }

    .promo-badge-float .discount {
        font-size: 1.5rem;
    }

    .promo-badge-float .label {
        font-size: 0.6rem;
    }

    /* Grid Layouts */
    .services-grid,
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

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

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

/* =====================================================
   UTILITY CLASSES
   ===================================================== */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.location-text,
.location-highlight {
    color: #FF6B35;
    font-weight: 600;
}