:root {
    /* COLOR PALETTE */
    --brown-900: #1c1917;
    --brown-800: #292524;
    --brown-700: #3a3632;
    --brown-600: #4a4642;
    --brown-500: #5a5652;
    --brown-400: #8a8682;
    --brown-300: #bab6b2;
    --brown-200: #e7e5e4;
    --brown-100: #f5f5f4;
    
    --orange-600: #ea580c;
    --orange-500: #f97316;
    --orange-400: #fb923c;
    --orange-300: #fdba74;
    --orange-100: #ffedd5;
    --orange-700: #c2410c;
    
    --white: #ffffff;
    
    /* SPACING */
    --space-3xs: 0.25rem;
    --space-2xs: 0.5rem;
    --space-xs: 0.75rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* TYPOGRAPHY */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    
    /* SHADOWS */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* RADIUS */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* TRANSITIONS */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.7; color: var(--brown-600); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-md); }

/* === NAVIGATION === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--brown-800);
    border-bottom: 1px solid var(--brown-700);
    box-shadow: var(--shadow-lg);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    max-width: 1200px;
    margin: 0 auto;
}

.navbar-logo {
    font-size: var(--text-xl);
    font-weight: 800;
    max-height: 30px;
    color: var(--white);
    text-decoration: none;
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.navbar-menu a {
    color: var(--brown-200);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-sm);
    position: relative;
    padding: var(--space-xs) 0;
}

.navbar-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--orange-400);
    transition: var(--transition);
}

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

.navbar-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    background: none;
    border: none;
}

.navbar-mobile-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--orange-400);
}

/* === HERO - FIXED STRUCTURE === */
.hero {
    min-height: 100vh;
    padding-top: 80px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    background-color: var(--brown-100);
}

.hero-content-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) var(--space-md);
}

.hero-slider {
    position: relative;
    width: 100%;
    max-width: 1200px;
    touch-action: pan-y;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
}

.hero-slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(245, 245, 244, 0.95) 0%, rgba(231, 229, 228, 0.85) 100%);
    z-index: -1;
}

.hero-slide-content {
    text-align: center;
    max-width: 900px;
    padding: var(--space-xl);
}

.hero-slide-title {
    font-size: clamp(var(--text-5xl), 6vw, var(--text-6xl));
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    background: linear-gradient(90deg, var(--brown-900), var(--orange-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-slide-description {
    font-size: var(--text-xl);
    color: var(--brown-500);
    margin-bottom: var(--space-xl);
}

.hero-slider-nav {
    position: static;
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    padding-bottom: var(--space-xl);
    margin-top: auto;
    z-index: 10;
}

.hero-slider-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--brown-300);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    z-index: 5;
}

.hero-slider-dot.active {
    background-color: var(--orange-600);
    transform: scale(1.2);
    border-color: var(--white);
}

.hero-slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--brown-200);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
    font-size: var(--text-2xl);
    color: var(--brown-600);
}

.hero-slider-arrow:hover {
    background-color: var(--white);
    transform: translateY(-50%) scale(1.1);
    color: var(--orange-600);
    border-color: var(--orange-300);
}

.hero-slider-arrow.prev {
    left: var(--space-lg);
}

.hero-slider-arrow.next {
    right: var(--space-lg);
}

/* === BUTTONS - HOVER/ACTIVE STATES === */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-xl);
    border-radius: 50px;
    font-weight: 600;
    font-size: var(--text-sm);
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}

.button-primary {
    background: linear-gradient(90deg, var(--orange-600), var(--orange-500));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.button-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.button-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

.button-secondary {
    background: transparent;
    color: var(--orange-600);
    border-color: var(--orange-600);
}

.button-secondary:hover {
    background: var(--orange-600);
    color: var(--white);
}

.button-secondary:active {
    background: var(--orange-700);
    border-color: var(--orange-700);
}

/* === SECTIONS - STRICT ALTERNATING PATTERN === */
.section {
    padding: var(--space-3xl) 0;
}

.section-light {
    background-color: var(--brown-100);
    color: var(--brown-600);
}

.section-dark {
    background-color: var(--brown-700);
    color: var(--brown-100);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: var(--text-5xl);
    font-weight: 800;
    margin-bottom: var(--space-md);
    background: linear-gradient(90deg, var(--brown-900), var(--orange-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-dark .section-title {
    background: linear-gradient(90deg, var(--brown-100), var(--orange-300));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: var(--text-xl);
    color: var(--brown-500);
    max-width: 700px;
    margin: 0 auto;
}

.section-dark .section-subtitle {
    color: var(--brown-300);
}

/* === OFFERING CARDS - NO BACKGROUND HOVER === */
.offerings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--space-xl);
}

.offering-card {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.offering-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.offering-image {
    height: 240px;
    background: linear-gradient(135deg, var(--brown-100) 0%, var(--brown-200) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
}

.offering-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background-color: var(--brown-500);
    color: var(--white);
    padding: var(--space-2xs) var(--space-sm);
    border-radius: 50px;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.offering-content {
    padding: var(--space-xl);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.offering-content h3 {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--brown-900);
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.offering-content p {
    color: var(--brown-600);
    margin-bottom: var(--space-md);
    flex-grow: 1;
    font-size: var(--text-sm);
    line-height: 1.7;
}

/* === CAPABILITIES === */
.capabilities-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.capabilities-block h3 {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--brown-100);
    margin-bottom: var(--space-lg);
}

.capabilities-block p {
    color: var(--brown-300);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.capabilities-list {
    list-style: none;
}

.capabilities-list li {
    padding: var(--space-sm) 0;
    color: var(--brown-300);
    border-bottom: 1px solid var(--brown-600);
    font-size: var(--text-sm);
}

.capabilities-list li:last-child {
    border-bottom: none;
}

.capabilities-list strong {
    color: var(--brown-100);
    font-weight: 600;
}

/* === CONTACT === */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-info h3 {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--brown-900);
    margin-bottom: var(--space-lg);
}

.contact-info p {
    color: var(--brown-600);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.contact-form {
    background-color: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--brown-200);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    color: var(--brown-700);
    font-weight: 500;
    font-size: var(--text-sm);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--brown-200);
    border-radius: var(--radius-md);
    background-color: var(--white);
    font-size: var(--text-sm);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--orange-500);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

/* === FOOTER === */
.footer {
    background-color: var(--brown-900);
    color: var(--brown-400);
    text-align: center;
    padding: var(--space-xl) 0;
}

/* === MOBILE === */
@media (max-width: 768px) {
    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--brown-800);
        flex-direction: column;
        padding: var(--space-md);
        gap: var(--space-sm);
        border-top: 1px solid var(--brown-700);
    }

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

    .navbar-mobile-toggle {
        display: flex;
    }

    .hero {
        padding-top: 70px;
        min-height: 80vh;
    }

    .hero-slider-arrow {
        display: none;
    }

    .hero-slide-title {
        font-size: var(--text-4xl);
    }

    .hero-slide-description {
        font-size: var(--text-lg);
    }

    .hero-slide-actions {
        flex-direction: column;
        align-items: center;
    }

    .button {
        width: 100%;
        max-width: 320px;
    }

    .offerings-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .capabilities-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .section {
        padding: var(--space-2xl) 0;
    }

    .section-title {
        font-size: var(--text-4xl);
    }
}