:root {
    --color-primary: #1a1a1a;
    --color-secondary: #d4af37;
    --color-accent: #8b7355;
    --color-text: #2c2c2c;
    --color-text-light: #666666;
    --color-bg: #ffffff;
    --color-bg-alt: #f8f8f8;
    --color-border: #e0e0e0;
    
    --gradient-primary: linear-gradient(135deg, #1a1a1a 0%, #3d3d3d 100%);
    --gradient-gold: linear-gradient(135deg, #d4af37 0%, #f4e4a6 100%);
    --gradient-overlay: linear-gradient(to bottom, rgba(0,0,0,0.7), rgba(0,0,0,0.3));
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
    --shadow-gold: 0 8px 16px rgba(212,175,55,0.3);
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Montserrat', var(--font-primary);
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    --font-size-4xl: 4rem;
    
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    --max-width: 1400px;
    --header-height: 80px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #1a1a1a;
        --color-bg-alt: #2c2c2c;
        --color-text: #ffffff;
        --color-text-light: #b0b0b0;
        --color-border: #3d3d3d;
    }
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

body.no-scroll {
    overflow: hidden;
}


h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

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

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

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

strong, b {
    font-weight: 600;
}

em, i {
    font-style: italic;
}


.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

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

.section-lg {
    padding: calc(var(--spacing-xl) * 1.5) 0;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(var(--spacing-sm) * -1);
}

.col {
    flex: 1;
    padding: 0 var(--spacing-sm);
}

.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }


.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

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

.btn-secondary {
    background: var(--gradient-gold);
    color: var(--color-primary);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-outline {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
}

.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--radius-full);
}


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

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.card-body {
    padding: var(--spacing-md);
}

.card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.card-text {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}


.form-group {
    margin-bottom: var(--spacing-md);
    position: relative;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
    transition: all var(--transition-fast);
}

.form-control {
    width: 100%;
    padding: 1rem;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-control::placeholder {
    color: var(--color-text-light);
    opacity: 0.6;
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.form-error {
    display: none;
    color: #dc3545;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.form-group.error .form-control {
    border-color: #dc3545;
}

.form-group.error .form-error {
    display: block;
}

.form-success {
    color: #28a745;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.form-floating {
    position: relative;
}

.form-floating .form-control {
    padding: 1.5rem 1rem 0.5rem;
}

.form-floating .form-label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    pointer-events: none;
    transition: all var(--transition-fast);
    font-weight: 400;
    opacity: 0.7;
}

.form-floating .form-control:focus ~ .form-label,
.form-floating .form-control:not(:placeholder-shown) ~ .form-label {
    top: 0.25rem;
    font-size: var(--font-size-xs);
    opacity: 1;
    color: var(--color-secondary);
}


.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(26, 26, 26, 0.98);
    height: 70px;
}

.navbar.scrolled .nav-link {
    color: white;
}

.navbar.scrolled .logo {
    color: white;
}

.navbar.scrolled .menu-toggle span {
    background: white;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.logo {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.logo-accent {
    color: var(--color-secondary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--color-primary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transform: translateX(-50%);
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link:hover {
    color: var(--color-secondary);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

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

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}


.footer {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-xl) 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-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xs);
}

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

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-secondary);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}


.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-light { color: var(--color-text-light); }
.text-white { color: white; }

.bg-primary { background: var(--color-primary); }
.bg-secondary { background: var(--color-secondary); }
.bg-light { background: var(--color-bg-alt); }
.bg-white { background: white; }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-column {
    flex-direction: column;
}


@media (max-width: 1024px) {
    :root {
        --font-size-4xl: 3rem;
        --font-size-3xl: 2.5rem;
        --spacing-xl: 4rem;
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-4xl: 2.5rem;
        --font-size-3xl: 2rem;
        --font-size-2xl: 1.75rem;
        --spacing-lg: 3rem;
        --spacing-xl: 3rem;
        --header-height: 70px;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: white;
        flex-direction: column;
        padding: var(--spacing-md);
        transition: left var(--transition-base);
        overflow-y: auto;
    }

    /* When navbar is in scrolled (dark) mode, keep mobile menu links readable on white menu */
    .navbar.scrolled .nav-menu .nav-link {
        color: var(--color-primary);
    }

    .navbar.scrolled .nav-menu .nav-link:hover {
        color: var(--color-secondary);
    }
    
    .nav-menu.active {
        left: 0;
        box-shadow: var(--shadow-xl);
    }
    
    .nav-link::after {
        display: none;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
}


@media (max-width: 425px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
        --spacing-md: 1.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: var(--font-size-sm);
    }
    
    .btn-lg {
        padding: 1rem 2rem;
        font-size: var(--font-size-base);
    }
}


@media print {
    .navbar,
    .footer,
    .whatsapp-float,
    .btn {
        display: none;
    }
    
    body {
        color: black;
        background: white;
    }
}