/* ==========================================
   CSS Variables - Color Scheme
   Charcoal + Warm Copper
   ========================================== */
:root {
    /* Charcoal colors */
    --color-charcoal-dark: #2D2D2D;
    --color-charcoal: #3A3A3A;
    --color-charcoal-light: #4A4A4A;
    --color-charcoal-lighter: #5A5A5A;

    /* Warm copper colors */
    --color-copper: #C87533;
    --color-copper-light: #D4845F;
    --color-copper-dark: #B86729;

    /* Neutral colors */
    --color-white: #FFFFFF;
    --color-off-white: #F8F8F8;
    --color-light-gray: #E0E0E0;
    --color-gray: #999999;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-charcoal-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

/* ==========================================
   Container
   ========================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

/* ==========================================
   Language Switcher
   ========================================== */
.language-switcher {
    position: fixed;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    z-index: 1000;
    display: flex;
    gap: 0.25rem;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    padding: 0.25rem;
    box-shadow: var(--shadow-md);
}

.lang-btn {
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-charcoal);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.lang-btn:hover {
    background-color: var(--color-off-white);
}

.lang-btn.active {
    background-color: var(--color-copper);
    color: var(--color-white);
}

/* ==========================================
   Navigation
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 999;
    transition: all var(--transition-base);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-charcoal-dark);
    line-height: 1.3;
}

.logo span {
    color: var(--color-copper);
    font-weight: 600;
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-charcoal-dark);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.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(7px, -6px);
}

.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-charcoal-dark);
    padding: var(--spacing-3xl) var(--spacing-lg);
    transition: right var(--transition-base);
    box-shadow: var(--shadow-lg);
}

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

.nav-menu li {
    margin-bottom: var(--spacing-md);
}

.nav-link {
    display: block;
    padding: var(--spacing-sm);
    color: var(--color-white);
    font-weight: 500;
    font-size: 1.125rem;
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-copper-light);
    transform: translateX(5px);
}

/* Desktop Navigation */
@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }

    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        background-color: transparent;
        padding: 0;
        display: flex;
        box-shadow: none;
    }

    .nav-menu li {
        margin-bottom: 0;
        margin-left: var(--spacing-lg);
    }

    .nav-link {
        padding: var(--spacing-xs);
        color: var(--color-charcoal-dark);
        font-size: 1rem;
    }

    .nav-link:hover {
        color: var(--color-copper);
        transform: none;
    }
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-charcoal-dark) 0%, var(--color-charcoal-light) 100%);
    padding: var(--spacing-3xl) 0;
    margin-top: 60px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(200, 117, 51, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(200, 117, 51, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-light-gray);
    line-height: 1.6;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }
}

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

.btn-primary {
    background-color: var(--color-copper);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--color-copper-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ==========================================
   Section Styles
   ========================================== */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-charcoal-dark);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }
}

/* ==========================================
   Services Section
   ========================================== */
.services {
    background-color: var(--color-off-white);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 640px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-copper) 0%, var(--color-copper-light) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.service-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--color-white);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-charcoal-dark);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--color-charcoal-light);
    line-height: 1.6;
}

/* ==========================================
   Expertise Section
   ========================================== */
.expertise {
    background-color: var(--color-white);
}

.expertise-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 1024px) {
    .expertise-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
    }
}

.expertise-text .section-title {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.expertise-description {
    color: var(--color-charcoal-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.expertise-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
    justify-content: center;
}

.feature-item {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--color-off-white);
    border-radius: var(--radius-md);
    flex: 1 1 calc(33.333% - var(--spacing-md));
    min-width: 120px;
}

@media (max-width: 640px) {
    .feature-item {
        flex: 1 1 100%;
    }
}

.feature-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-copper);
    margin-bottom: var(--spacing-xs);
}

.feature-label {
    font-size: 0.875rem;
    color: var(--color-charcoal-light);
}

.expertise-note {
    background-color: var(--color-off-white);
    padding: var(--spacing-md);
    border-left: 4px solid var(--color-copper);
    border-radius: var(--radius-sm);
    color: var(--color-charcoal-light);
    margin-top: var(--spacing-md);
}

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

.highlight-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-charcoal-dark) 0%, var(--color-charcoal-light) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    color: var(--color-white);
}

.highlight-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-copper-light);
}

.highlight-card p {
    color: var(--color-light-gray);
    line-height: 1.6;
}

/* ==========================================
   Team Section
   ========================================== */
.team {
    background-color: var(--color-off-white);
}

.team-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.team-member {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.member-image {
    position: relative;
    width: 100%;
    height: 350px;
    overflow: hidden;
    background-color: var(--color-light-gray);
}

@media (min-width: 540px) {
    .member-image {
        height: 450px;
    }
}

@media (min-width: 768px) {
    .member-image {
        height: 480px;
    }
}

@media (min-width: 1024px) {
    .member-image {
        height: 520px;
    }
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.team-member:hover .member-image img {
    transform: scale(1.05);
}

.member-info {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: var(--spacing-sm);
}

.member-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-charcoal-dark);
}

.member-role {
    font-size: 1rem;
    color: var(--color-copper);
    font-weight: 600;
}

.member-description {
    color: var(--color-charcoal-light);
    line-height: 1.6;
}

/* ==========================================
   Contact Section
   ========================================== */
.contact {
    background-color: var(--color-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
    }
}

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

.contact-item {
    display: flex;
    gap: var(--spacing-md);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-copper) 0%, var(--color-copper-light) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-white);
}

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

.contact-details h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-charcoal-dark);
}

.contact-details p {
    color: var(--color-charcoal-light);
    line-height: 1.6;
}

.contact-details a {
    color: var(--color-copper);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.contact-details a:hover {
    color: var(--color-copper-dark);
}

.contact-cta {
    display: flex;
    align-items: center;
}

.cta-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(135deg, var(--color-charcoal-dark) 0%, var(--color-charcoal-light) 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    text-align: center;
    gap: var(--spacing-md);
}

.cta-box h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-copper-light);
}

.cta-box p {
    color: var(--color-light-gray);
    line-height: 1.6;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background-color: var(--color-charcoal-dark);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-md);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-brand h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-copper-light);
}

.footer-brand p {
    color: var(--color-light-gray);
}

.footer-info p {
    color: var(--color-gray);
    font-size: 0.875rem;
}

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

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

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

/* ==========================================
   Animations
   ========================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ==========================================
   Accessibility
   ========================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible for keyboard navigation */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-copper);
    outline-offset: 2px;
}