/* ===========================
   Global Styles & Reset
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-color: #1a3a52;
    --secondary-color: #2c5f8d;
    --accent-color: #3498db;
    --dark-gray: #2c3e50;
    --medium-gray: #7f8c8d;
    --light-gray: #ecf0f1;
    --white: #ffffff;
    --text-dark: #333333;
    --text-light: #666666;
    --border-color: #e0e0e0;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Transitions */
    --transition-base: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

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

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

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

/* ===========================
   Layout Components
   =========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ===========================
   Header
   =========================== */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: var(--spacing-md) 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: var(--spacing-md);
}

.brand-identity {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-full {
    width: clamp(180px, 21vw, 250px);
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.header-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
    min-width: 0;
}

.company-name {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: 1px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
    white-space: nowrap;
}

.header-contact {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--white);
    font-size: 0.95rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 5px;
    transition: var(--transition-base);
    min-height: 44px; /* iOS minimum touch target */
    white-space: nowrap;
}

.contact-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.icon {
    width: 20px;
    height: 20px;
}

.hero-title {
    font-size: clamp(1.45rem, 2.8vw, 2.35rem);
    font-weight: 700;
    margin: 0;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.22);
}

.hero-subtitle {
    font-size: clamp(0.9rem, 1.6vw, 1.15rem);
    font-weight: 400;
    opacity: 0.96;
    max-width: 62ch;
    margin: 0;
}

/* ===========================
   Main Content
   =========================== */
.main-content {
    padding: var(--spacing-xl) 0;
}

@media (max-width: 768px) {
    .main-content {
        padding: var(--spacing-md) 0;
    }
}

.section {
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 768px) {
    .section {
        margin-bottom: var(--spacing-lg);
    }
}

.section-title {
    color: var(--primary-color);
    font-size: 2.25rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--secondary-color) 100%);
    border-radius: 2px;
}

/* ===========================
   About Section
   =========================== */
.about-section {
    background-color: var(--white);
}

.section-content {
    max-width: 900px;
}

.lead-text {
    font-size: 1.15rem;
    color: var(--text-dark);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.section-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

/* ===========================
   Capabilities Section
   =========================== */
.capabilities-section {
    background-color: var(--light-gray);
    padding: var(--spacing-xl);
    border-radius: 10px;
    margin-top: var(--spacing-xl);
}

@media (max-width: 768px) {
    .capabilities-section {
        padding: var(--spacing-md) var(--spacing-sm);
        margin-top: var(--spacing-md);
    }
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

@media (max-width: 768px) {
    .capabilities-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .capabilities-grid {
        margin-top: var(--spacing-sm);
    }
}

.capability-card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: var(--transition-base);
    border: 1px solid var(--border-color);
}

.capability-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.capability-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-color) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.capability-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--white);
}

.capability-title {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.capability-description {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ===========================
   Shop Slideshow Banner
   =========================== */
.slideshow-section {
    margin-top: var(--spacing-xl);
}

.slideshow-banner {
    display: grid;
    grid-template-columns: 1fr 1.35fr 1fr;
    gap: var(--spacing-sm);
    align-items: center;
    width: 100%;
    position: relative;
}

.slide-card {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    border: 1px solid #c8d6e4;
    background: #d9e2eb;
    min-height: clamp(180px, 28vw, 300px);
    transition: var(--transition-base);
}

.slide-card img {
    width: 100%;
    height: 100%;
    min-height: inherit;
    display: block;
    object-fit: cover;
    transition: filter 0.45s ease;
}

.slide-card-left img,
.slide-card-right img {
    filter: grayscale(1) blur(1.5px) brightness(0.58);
}

.slide-card-center {
    box-shadow: 0 10px 26px rgba(26, 58, 82, 0.22);
    border-color: #9fb8cd;
}

.slide-card-center img {
    filter: none;
}

.slideshow-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 999px;
    background: rgba(26, 58, 82, 0.68);
    color: var(--white);
    font-size: 1.3rem;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.slideshow-nav:hover {
    background: rgba(26, 58, 82, 0.9);
    transform: translateY(-50%) scale(1.04);
}

.slideshow-nav:focus-visible {
    outline: 3px solid rgba(52, 152, 219, 0.45);
    outline-offset: 2px;
}

.slideshow-nav-prev {
    left: 0.75rem;
}

.slideshow-nav-next {
    right: 0.75rem;
}

/* ===========================
   Service Area & FAQ Sections
   =========================== */
.service-area-section,
.faq-section {
    background-color: var(--white);
}

.service-area-intro {
    color: var(--text-light);
    line-height: 1.8;
    max-width: 900px;
}

.service-area-list {
    margin-top: var(--spacing-sm);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.65rem 1.2rem;
    list-style: none;
    padding-left: 0;
}

.service-area-list li {
    padding: 0.55rem 0.75rem;
    border: 1px solid #d8e4ef;
    background: #f5f9fd;
    border-radius: 7px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.faq-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

.faq-item {
    border: 1px solid #d8e4ef;
    border-radius: 8px;
    padding: var(--spacing-sm);
    background: #f9fbfd;
}

.faq-item h3 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
}

.faq-item p {
    margin-bottom: 0;
    color: var(--text-light);
}

/* ===========================
   Quote Request Section
   =========================== */
.quote-section {
    padding: var(--spacing-md) 0 var(--spacing-xl);
}

.quote-wrapper {
    background: linear-gradient(140deg, #f7fbff 0%, #edf5fb 100%);
    border: 1px solid #d9e6f2;
    border-radius: 12px;
    padding: var(--spacing-lg);
    box-shadow: 0 8px 18px rgba(26, 58, 82, 0.08);
}

.quote-intro {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.quote-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.quote-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.95rem;
}

.form-group label span {
    color: #c0392b;
}

.form-help-text {
    color: var(--text-light);
    font-size: 0.85rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    border: 1px solid #c7d6e3;
    border-radius: 8px;
    padding: 0.75rem 0.85rem;
    font-size: 1rem;
    color: var(--text-dark);
    background-color: var(--white);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input {
    min-height: 44px;
}

.form-group textarea {
    resize: vertical;
    min-height: 130px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.18);
}

.quote-submit-btn {
    border: none;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    font-weight: 700;
    font-size: 1rem;
    padding: 0.85rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    min-height: 46px;
}

.quote-submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(26, 58, 82, 0.24);
}

.quote-submit-btn:active {
    transform: translateY(0);
}

.quote-form-note {
    color: var(--text-light);
    font-size: 0.92rem;
    margin-bottom: 0;
}

.quote-form-error {
    color: #c0392b;
    font-size: 0.9rem;
    margin-bottom: 0;
    min-height: 1.2rem;
}

.quote-company-email {
    color: var(--primary-color);
    font-weight: 600;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background-color: var(--dark-gray);
    color: var(--light-gray);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

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

.footer-section {
    padding: var(--spacing-sm);
}

.footer-title {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.footer-heading {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.footer-text {
    color: var(--medium-gray);
    font-size: 0.95rem;
}

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

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.footer-contact-item a {
    color: var(--light-gray);
}

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

.icon-small {
    width: 16px;
    height: 16px;
    stroke: var(--accent-color);
    flex-shrink: 0;
}

.footer-hours p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--medium-gray);
    font-size: 0.9rem;
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    .header {
        padding: 0.7rem 0;
    }
    
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 0.65rem;
    }

    .brand-identity {
        justify-content: center;
    }

    .logo-full {
        width: clamp(120px, 38vw, 160px);
        max-height: 140px;
        object-fit: contain;
    }

    .header-info {
        align-items: center;
    }

    .header-contact {
        justify-content: center;
        gap: var(--spacing-xs);
    }
    
    .contact-link {
        justify-content: center;
        font-size: 0.9rem;
    }
    
    .hero-title {
        font-size: 1.25rem;
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: 0.8rem;
        max-width: 28ch;
    }

    .header-contact {
        gap: 0.25rem;
    }

    .contact-link {
        padding: 0.25rem 0.45rem;
        min-height: 34px;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-title::after {
        width: 50px;
    }
    
    .lead-text {
        font-size: 1.05rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .footer-contact-item {
        justify-content: center;
    }
    
    .footer-section {
        padding: var(--spacing-xs);
    }

    .quote-wrapper {
        padding: var(--spacing-md);
    }

    .quote-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .service-area-list {
        grid-template-columns: 1fr 1fr;
    }

    .slideshow-banner {
        gap: 0.65rem;
    }

    .slide-card {
        min-height: clamp(130px, 30vw, 190px);
    }

    .slideshow-nav {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
    }

    .slideshow-nav-prev {
        left: 0.45rem;
    }

    .slideshow-nav-next {
        right: 0.45rem;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 15px;
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 2.5rem;
    }
    
    .company-name {
        font-size: 1.5rem;
    }

    .brand-identity {
        gap: 0.6rem;
    }

    .logo-full {
        width: clamp(100px, 34vw, 130px);
        max-height: 120px;
        border-radius: 6px;
    }

    
    .hero-title {
        font-size: 1.1rem;
        line-height: 1.05;
    }
    
    .hero-subtitle {
        font-size: 0.76rem;
        max-width: 24ch;
    }

    .header-contact {
        gap: 0.2rem;
        flex-wrap: nowrap;
    }

    .contact-link {
        padding: 0.22rem 0.35rem;
        min-height: 30px;
        font-size: 0;
    }

    .contact-link .icon {
        width: 18px;
        height: 18px;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .capability-card {
        padding: var(--spacing-sm);
    }
    
    .capability-icon {
        width: 45px;
        height: 45px;
    }
    
    .capability-icon svg {
        width: 24px;
        height: 24px;
    }
    
    .capability-title {
        font-size: 1.15rem;
    }
    
    .footer {
        padding: var(--spacing-md) 0 var(--spacing-sm);
    }

    .quote-section {
        padding: var(--spacing-sm) 0 var(--spacing-lg);
    }

    .quote-wrapper {
        padding: var(--spacing-sm);
    }

    .quote-submit-btn {
        width: 100%;
    }

    .service-area-list {
        grid-template-columns: 1fr;
    }

    .slideshow-banner {
        grid-template-columns: 0.9fr 1.2fr 0.9fr;
        gap: 0.45rem;
    }

    .slide-card {
        border-radius: 9px;
        min-height: clamp(105px, 27vw, 145px);
    }

    .slide-card-left img,
    .slide-card-right img {
        filter: grayscale(1) blur(1.2px) brightness(0.6);
    }

    .slideshow-nav {
        width: 32px;
        height: 32px;
        font-size: 0.95rem;
    }

    .slideshow-nav-prev {
        left: 0.2rem;
    }

    .slideshow-nav-next {
        right: 0.2rem;
    }
}

/* Tablet landscape optimization */
@media (min-width: 769px) and (max-width: 1024px) {
    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===========================
   Animations
   =========================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section {
    opacity: 1;
    transform: none;
}

/* ===========================
   Utility Classes
   =========================== */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0;
}

.mt-2 {
    margin-top: var(--spacing-md);
}