:root {
    /* Color Palette */
    --color-primary: #2C5F7F;
    --color-primary-dark: #1E4258;
    --color-accent: #3DBAA0;
    --color-accent-dark: #2E9B84;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-lighter: #999999;
    --color-white: #FFFFFF;
    --color-bg-light: #F5F5F5;
    --color-bg-card: #FFFFFF;

    /* Typography Scale with Clamp */
    --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 0.825rem + 0.25vw, 1rem);
    --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --font-size-md: clamp(1.125rem, 1.05rem + 0.375vw, 1.375rem);
    --font-size-lg: clamp(1.5rem, 1.35rem + 0.75vw, 2rem);
    --font-size-xl: clamp(2rem, 1.7rem + 1.5vw, 3rem);
    --font-size-2xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);

    /* Spacing Scale with Clamp */
    --space-xs: clamp(0.5rem, 0.45rem + 0.25vw, 0.75rem);
    --space-sm: clamp(0.75rem, 0.65rem + 0.5vw, 1.25rem);
    --space-md: clamp(1rem, 0.85rem + 0.75vw, 1.75rem);
    --space-lg: clamp(1.5rem, 1.2rem + 1.5vw, 3rem);
    --space-xl: clamp(2rem, 1.5rem + 2.5vw, 4.5rem);
    --space-2xl: clamp(3rem, 2rem + 5vw, 8rem);

    /* Container Width */
    --container-max: 75rem;
    --container-padding: clamp(1rem, 0.5rem + 2.5vw, 2rem);

    /* Border Radius */
    --radius-sm: clamp(0.25rem, 0.2rem + 0.25vw, 0.5rem);
    --radius-md: clamp(0.5rem, 0.4rem + 0.5vw, 1rem);
    --radius-lg: clamp(0.75rem, 0.6rem + 0.75vw, 1.5rem);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Shadows */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 1rem 2rem rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
}

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

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

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

/* Header & Navigation */
.header {
    background-color: var(--color-white);
    border-bottom: 0.0625rem solid rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding-block: var(--space-sm);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

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

.logo-img {
    height: 2.5rem;
    width: auto;
}

.footer-logo-img {
    height: 2rem;
    filter: brightness(0) invert(1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 0.375em;
    width: 2em;
    height: 2em;
    justify-content: center;
    align-items: center;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 0.125em;
    background-color: var(--color-primary);
    transition: all var(--transition-base);
}

.nav-menu {
    display: none;
    flex-direction: column;
    gap: var(--space-sm);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    padding: var(--space-md) var(--container-padding);
    border-bottom: 0.0625rem solid rgba(0, 0, 0, 0.1);
}

.nav-menu.active {
    display: flex;
}

.nav-menu a {
    display: block;
    padding: var(--space-xs);
    transition: color var(--transition-base);
}

.nav-menu a:hover {
    color: var(--color-accent);
}

.btn-contact {
    display: inline-flex;
    width: fit-content;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-base);
}

.btn-contact:hover {
    background-color: var(--color-accent-dark);
    color: var(--color-white);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    width: fit-content;
    background: none;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: calc(var(--space-xs) - 1px) var(--space-sm);
    color: var(--color-primary);
}

.lang-btn {
    font-weight: 600;
    font-size: inherit;
    color: var(--color-text-light);
    cursor: pointer;
    transition: color var(--transition-fast);
    background: none;
    border: none;
    padding: 0 0.25rem;
}

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

.lang-btn.active {
    color: var(--color-primary);
    font-weight: 800;
}

.lang-separator {
    color: var(--color-text-lighter);
    margin: 0 0.125rem;
    font-size: var(--font-size-sm);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding-block: var(--space-xl) var(--space-2xl);
}

.hero-title {
    font-size: var(--font-size-2xl);
    line-height: 1.2;
    margin-bottom: var(--space-md);
    font-weight: 700;
}

.highlight {
    color: var(--color-accent);
    display: block;
}

.hero-description {
    font-size: var(--font-size-md);
    opacity: 0.9;
    margin-bottom: var(--space-lg);
    max-width: 40em;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-0.125em);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 0.125em solid var(--color-white);
}

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

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 8rem), 1fr));
    gap: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 0.0625rem solid rgba(255, 255, 255, 0.2);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.stat-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.stat-icon {
    font-size: var(--font-size-xl);
}

/* Section Styles */
.section {
    padding-block: var(--space-2xl);
}

.section-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    text-align: center;
}

.section-subtitle {
    font-size: var(--font-size-md);
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: var(--space-xl);
    max-width: 100%;
    margin-inline: auto;
}

/* What We Do Section */
.what-we-do {
    background-color: var(--color-bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
    gap: var(--space-lg);
}

.service-card {
    background-color: var(--color-bg-card);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-0.5em);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: clamp(3rem, 2.5rem + 2.5vw, 4rem);
    height: clamp(3rem, 2.5rem + 2.5vw, 4rem);
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.service-icon svg {
    width: 60%;
    height: 60%;
}

.service-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-primary);
}

.service-description {
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.service-list li {
    padding-left: var(--space-md);
    position: relative;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.service-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
    gap: var(--space-lg);
}

.product-card {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.product-card:only-child {
    max-width: 24rem;
}

.product-card:hover {
    transform: translateY(-0.5em);
    box-shadow: var(--shadow-lg);
}

.product-image {
    background-color: var(--color-bg-light);
    color: var(--color-primary);
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.product-card-featured .product-image {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
}

.product-image svg {
    width: clamp(3rem, 2.5rem + 2.5vw, 5rem);
    height: clamp(3rem, 2.5rem + 2.5vw, 5rem);
}

.product-content {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    flex-grow: 1;
}

.product-category {
    font-size: var(--font-size-xs);
    color: var(--color-text-lighter);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.product-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
}

.product-description {
    color: var(--color-text-light);
    line-height: 1.7;
    flex-grow: 1;
}

.product-link {
    color: var(--color-accent);
    font-weight: 600;
    transition: color var(--transition-base);
    align-self: flex-start;
}

.product-link:hover {
    color: var(--color-accent-dark);
}

/* About Section */
.about {
    background-color: var(--color-bg-light);
}

.about-grid {
    display: grid;
    gap: var(--space-xl);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.about-text {
    color: var(--color-text-light);
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
    gap: var(--space-md);
}

.feature-box {
    background-color: var(--color-bg-card);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.feature-icon {
    width: clamp(2.5rem, 2rem + 2.5vw, 3.5rem);
    height: clamp(2.5rem, 2rem + 2.5vw, 3.5rem);
    background-color: var(--color-accent);
    color: var(--color-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.feature-icon svg {
    width: 60%;
    height: 60%;
}

.feature-title {
    font-size: var(--font-size-md);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-primary);
}

.feature-description {
    color: var(--color-text-light);
    line-height: 1.7;
    font-size: var(--font-size-sm);
}

/* Contact Section */
.contact-grid {
    display: grid;
    gap: var(--space-lg);
}

.contact-info {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
}

.contact-info-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-lg);
    font-weight: 700;
}

.contact-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
    padding-block: var(--space-md);
}

.contact-item:not(:last-child) {
    border-bottom: 0.0625rem solid rgba(255, 255, 255, 0.2);
}

.contact-icon {
    width: clamp(2rem, 1.75rem + 1.25vw, 2.5rem);
    height: clamp(2rem, 1.75rem + 1.25vw, 2.5rem);
    flex-shrink: 0;
}

.contact-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    margin-bottom: 0.25em;
}

.contact-value {
    font-size: var(--font-size-md);
    font-weight: 600;
}

a.contact-value {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-base);
}

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

.contact-details {
    background-color: var(--color-bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.contact-details-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-md);
    font-weight: 700;
    color: var(--color-primary);
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.contact-list li {
    padding-left: var(--space-md);
    position: relative;
    color: var(--color-text-light);
    line-height: 1.7;
}

.contact-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding-block: var(--space-2xl);
}

.footer-grid {
    display: grid;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: var(--space-md);
    max-width: 30em;
}

.footer-copyright {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

.footer-title {
    font-size: var(--font-size-md);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a,
.footer-contact a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-base);
}

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

.footer-contact li {
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    padding-top: var(--space-lg);
    border-top: 0.0625rem solid rgba(255, 255, 255, 0.2);
    font-size: var(--font-size-sm);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-base);
}

.footer-bottom a:hover {
    color: var(--color-white);
}

/* Legal Content Section */
.legal-text {
    max-width: 800px;
    margin: 0 auto;
}

.legal-text h1 {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.legal-text h2 {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.legal-text h3 {
    font-size: var(--font-size-md);
    color: var(--color-primary);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.legal-text p {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.legal-text ul {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--space-md);
    padding-left: var(--space-lg);
}

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

.legal-text a:hover {
    text-decoration: underline;
}

.legal-text .source {
    margin-top: var(--space-xl);
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* Tablet & Desktop Styles */
@media (min-width: 48em) {
    .nav-toggle {
        display: none;
    }

    .nav-menu {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: var(--space-lg);
        position: static;
        padding: 0;
        border: none;
        background: none;
        margin-left: auto;
    }

    .hero-buttons {
        flex-wrap: nowrap;
    }

    .about-grid {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }

    .contact-grid {
        grid-template-columns: 1.5fr 1fr;
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

@media (min-width: 64em) {
    .section-title {
        text-align: left;
    }

    .section-subtitle {
        text-align: left;
        margin-inline: 0;
    }
}

/* Focus Styles for Accessibility */
a:focus-visible,
button:focus-visible {
    outline: 0.125em solid var(--color-accent);
    outline-offset: 0.25em;
    border-radius: var(--radius-sm);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}