/* ==========================================================================
   DESIGN SYSTEM - ARAGÓN CONSTRUCCIONES
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
    /* Color Palette */
    --primary: hsl(38, 92%, 52%);
    /* Amber Gold */
    --primary-rgb: 235, 155, 30;
    --primary-hover: hsl(38, 92%, 42%);
    --primary-light: hsl(38, 90%, 95%);

    --bg-dark: #0b0f17;
    /* Slate Black */
    --bg-dark-secondary: #131924;
    /* Deep Gray */
    --bg-light: #faf8f5;
    /* Warm Cream White */
    --bg-light-secondary: #f0ede8;
    /* Soft Greige */

    --text-dark-main: #1c1e21;
    --text-dark-muted: #5e6673;
    --text-light-main: #f3f4f6;
    --text-light-muted: #9ca3af;

    --border-dark: rgba(255, 255, 255, 0.08);
    --border-light: rgba(0, 0, 0, 0.08);

    /* Font stacks */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Outfit', sans-serif;

    /* Spacing & Borders */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-premium: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 20px 40px -15px rgba(0, 0, 0, 0.55);

    /* Current default theme state variables (fallback) */
    --bg: var(--bg-dark);
    --bg-secondary: var(--bg-dark-secondary);
    --text: var(--text-light-main);
    --text-muted: var(--text-light-muted);
    --border: var(--border-dark);
    --card-bg: rgba(19, 25, 36, 0.7);
    --blur: 16px;
    --bg-rgb: 11, 15, 23;
}

/* Light Mode Variables Override */
[data-theme="light"] {
    --bg: var(--bg-light);
    --bg-secondary: var(--bg-light-secondary);
    --text: var(--text-dark-main);
    --text-muted: var(--text-dark-muted);
    --border: var(--border-light);
    --card-bg: rgba(255, 255, 255, 0.75);
    --shadow-premium: 0 10px 40px -10px rgba(139, 115, 85, 0.15);
    --shadow-hover: 0 20px 40px -15px rgba(139, 115, 85, 0.18);
    --bg-rgb: 250, 248, 245;
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */

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

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

a {
    color: inherit;
    text-decoration: none;
}

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

button,
input,
select,
textarea {
    font-family: inherit;
    border: none;
    outline: none;
}

ul {
    list-style: none;
}

/* Scrollbar customization */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* ==========================================================================
   REUSABLE UTILITIES & LAYOUTS
   ========================================================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 60px 0;
    position: relative;
    transition: var(--transition);
}

.section-bg-alt {
    background-color: var(--bg-secondary);
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title-wrap {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.section-title span {
    color: var(--primary);
    position: relative;
    display: inline-block;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    font-weight: 300;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    gap: 10px;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    background: rgba(var(--primary-rgb), 0.03);
}

.btn-whatsapp {
    background: #25d366;
    color: #fff;
}

.btn-whatsapp:hover {
    background: #20ba5a;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.navbar {
    z-index: 1000;
    background: rgba(var(--bg-rgb), 0.8) !important;
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(var(--bg-rgb), 0.95) !important;
    box-shadow: var(--shadow-premium);
    padding-top: 6px !important;
    padding-bottom: 6px !important;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -1px;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    line-height: 1.2;
    color: var(--text) !important;
    transition: color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo-text span {
    font-size: 0.8rem;
    font-family: var(--font-sans);
    display: block;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--primary);
    margin-top: -2px;
}

/* Custom Hamburger toggler button styling */
.navbar-toggler {
    padding: 6px 8px;
    border: 1px solid var(--border) !important;
    border-radius: var(--radius-sm);
    outline: none !important;
    box-shadow: none !important;
    background: transparent;
    transition: var(--transition);
}

.navbar-toggler:hover {
    border-color: var(--primary) !important;
}

.navbar-toggler-icon-custom {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 20px;
    height: 14px;
}

.navbar-toggler-icon-custom span {
    width: 100%;
    height: 2px;
    background-color: var(--text);
    transition: var(--transition);
    border-radius: 2px;
}

/* Toggle menu open icon animations */
.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon-custom span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon-custom span:nth-child(2) {
    opacity: 0;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon-custom span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Collapsible Navbar Overrides */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(var(--bg-rgb), 0.98);
        backdrop-filter: blur(var(--blur));
        -webkit-backdrop-filter: blur(var(--blur));
        margin-top: 10px;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-premium);
        border: 1px solid var(--border);
        padding: 15px 24px;
        transition: var(--transition);
    }
}

.navbar-nav .nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text);
    position: relative;
    padding: 8px 0;
    transition: var(--transition);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary) !important;
}

/* Active indicator underline on desktop */
@media (min-width: 992px) {
    .navbar-nav .nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background-color: var(--primary);
        transition: var(--transition);
    }

    .navbar-nav .nav-link:hover::after,
    .navbar-nav .nav-link.active::after {
        width: 100%;
    }
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle {
    background: transparent;
    cursor: pointer;
    font-size: 1.25rem;
    color: var(--text);
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.theme-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.theme-toggle .fa-sun {
    display: none;
}

[data-theme="light"] .theme-toggle .fa-moon {
    display: none;
}

[data-theme="light"] .theme-toggle .fa-sun {
    display: block;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding-top: 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.45);
    transition: filter 0.5s ease;
}

[data-theme="light"] .hero-bg img {
    filter: brightness(0.75);
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Symmetrical radial overlay for centering focus, with a bottom fade to transition to the next section */
    background: radial-gradient(circle, rgba(var(--bg-rgb), 0.45) 0%, rgba(var(--bg-rgb), 0.8) 100%),
        linear-gradient(to top, rgba(var(--bg-rgb), 1) 0%, rgba(var(--bg-rgb), 0) 40%);
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 720px;
}

.hero .badge {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.2);
    padding: 8px 20px;
    font-weight: 700;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 2.6rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text);
    /* Always adapt to active theme text color */
    animation: fadeInUp 1s ease forwards;
}

.hero-title span {
    color: var(--accent);
    font-style: italic;
}

.hero-slogan {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary);
    margin-top: -12px;
    margin-bottom: 24px;
    animation: fadeInUp 1s ease 0.1s forwards;
    opacity: 0;
    transition: color 0.3s ease;
}

[data-theme="light"] .hero-slogan {
    color: #855800;
    /* Darker bronze gold for excellent readability in light mode */
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-light-muted);
    /* Fallback high contrast in dark */
    margin-bottom: 40px;
    font-weight: 300;
    animation: fadeInUp 1s ease 0.2s forwards;
    opacity: 0;
}

/* Specific high contrast overrides per theme */
[data-theme="dark"] .hero-description {
    color: rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .hero-description {
    color: var(--text-dark-main);
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    animation: fadeInUp 1s ease 0.4s forwards;
    opacity: 0;
}

/* ==========================================================================
   ABOUT / FEATURES SECTION
   ========================================================================== */

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

.about-text-content .badge {
    margin-bottom: 16px;
}

.about-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
}

.about-description {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 32px;
}

.features-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.feature-item {
    display: flex;
    gap: 16px;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.3rem;
    flex-shrink: 0;
}

.feature-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.feature-info p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow-premium);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: rgba(var(--primary-rgb), 0.3);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 12px;
}

.stat-label {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text);
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 40px 32px;
    box-shadow: var(--shadow-premium);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background-color: var(--primary);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--primary-rgb), 0.2);
    box-shadow: var(--shadow-hover);
}

.service-card:hover::before {
    height: 100%;
}

.service-icon-box {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: rgba(var(--primary-rgb), 0.05);
    border: 1px solid rgba(var(--primary-rgb), 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.8rem;
    margin-bottom: 28px;
    transition: var(--transition);
}

.service-card:hover .service-icon-box {
    background: var(--primary);
    color: #fff;
    transform: scale(1.1);
}

.service-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.service-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 28px;
    flex-grow: 1;
}

.service-meta {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-action {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text);
    transition: var(--transition);
    cursor: pointer;
    background: none;
    border: none;
    text-align: left;
    width: fit-content;
}

.service-action i {
    transition: var(--transition);
}

.service-card:hover .service-action {
    color: var(--primary);
}

.service-card:hover .service-action i {
    transform: translateX(5px);
}

/* ==========================================================================
   QUOTE CALCULATOR
   ========================================================================== */

.calculator-wrap {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-premium);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.calc-form {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-weight: 600;
    font-size: 0.95rem;
}

.form-select,
.form-input {
    width: 100%;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 1rem;
    transition: var(--transition);
}

[data-theme="light"] .form-select,
[data-theme="light"] .form-input {
    background: rgba(0, 0, 0, 0.03);
}

.form-select:focus,
.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
}

/* Custom Checkbox Grid for Services */
.services-selection {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.service-check-label {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

[data-theme="light"] .service-check-label {
    background: rgba(0, 0, 0, 0.02);
}

.service-check-label:hover {
    border-color: rgba(var(--primary-rgb), 0.3);
}

.service-check-input {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.service-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.service-check-input:checked::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: white;
    font-size: 0.65rem;
}

.service-check-input:checked+span {
    color: var(--primary);
}

.service-check-label.checked {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.05);
}

/* Range slider styling */
.range-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.range-val-wrap {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    font-size: 0.95rem;
}

.range-value {
    color: var(--primary);
}

.range-slider {
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 5px;
    outline: none;
}

.range-slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.calc-summary {
    background: rgba(var(--primary-rgb), 0.03);
    border: 1px solid rgba(var(--primary-rgb), 0.15);
    border-radius: var(--radius-md);
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.summary-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    border-bottom: 1px dashed var(--border);
    padding-bottom: 16px;
}

.summary-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
}

.summary-row.total {
    border-top: 1px dashed var(--border);
    padding-top: 20px;
    margin-top: 8px;
    font-weight: 700;
    font-size: 1.2rem;
}

.summary-row.total .price-tag {
    color: var(--primary);
    font-family: var(--font-serif);
    font-size: 1.6rem;
}

.calc-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
    margin-top: 24px;
}

/* ==========================================================================
   PORTFOLIO / GALLERY
   ========================================================================== */

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border);
    padding: 10px 22px;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 50px;
    cursor: pointer;
    color: var(--text);
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--primary);
    background: var(--primary);
    color: #fff;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 32px;
}

.gallery-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-premium);
    cursor: pointer;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.gallery-item img,
.gallery-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.2) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 32px;
    opacity: 0;
    transition: var(--transition);
    z-index: 2;
}

.gallery-item:hover img,
.gallery-item:hover video {
    transform: scale(1.08);
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.gallery-item-category {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--primary);
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.gallery-item-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 48px;
    margin-bottom: 48px;
}

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

.contact-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    box-shadow: var(--shadow-premium);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    transition: var(--transition);
    text-decoration: none;
    color: var(--text);
    position: relative;
    overflow: hidden;
    height: 100%;
    box-sizing: border-box;
}

.contact-card:not(.no-link) {
    cursor: pointer;
}

.contact-card:not(.no-link):hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 12px 30px rgba(var(--primary-rgb), 0.15);
}

.contact-card-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.05);
    border: 1px solid rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    transition: var(--transition);
    margin-bottom: 8px;
}

.contact-card:hover .contact-card-icon {
    background: var(--primary);
    color: #fff;
    transform: scale(1.1);
}

.contact-card h4 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    color: var(--text);
}

.contact-card p {
    font-size: 1rem;
    color: var(--text-muted);
    margin: 0;
    font-weight: 500;
}

.contact-card span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.contact-card .contact-card-action {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    transition: var(--transition);
}

.contact-card:hover .contact-card-action i {
    transform: translateX(4px);
}

/* Highlighted WhatsApp Card */
.contact-card.highlight {
    border-color: rgba(37, 211, 102, 0.3);
    background: linear-gradient(180deg, var(--card-bg) 0%, rgba(37, 211, 102, 0.03) 100%);
}

.contact-card.highlight:hover {
    border-color: #25d366;
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.2);
}

.contact-card.highlight .contact-card-icon {
    color: #25d366;
    background: rgba(37, 211, 102, 0.05);
    border-color: rgba(37, 211, 102, 0.15);
}

.contact-card.highlight:hover .contact-card-icon {
    background: #25d366;
    color: #fff;
}

.contact-card.highlight .contact-card-action {
    color: #25d366;
}

/* Social media section styling */
.contact-social-wrap {
    text-align: center;
    margin-top: 40px;
}

.contact-social-wrap .social-title {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    font-size: 1.4rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}

[data-theme="light"] .social-btn {
    background: rgba(0, 0, 0, 0.02);
}

.social-btn:hover {
    transform: translateY(-4px) scale(1.08);
    color: #fff;
}

/* Brand-specific hover states with brand colors */
#contact-social-whatsapp:hover {
    background-color: #25d366;
    border-color: #25d366;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.35);
}

#contact-social-instagram:hover {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    border-color: transparent;
    box-shadow: 0 10px 25px rgba(220, 39, 67, 0.35);
}

#contact-social-facebook:hover {
    background-color: #1877f2;
    border-color: #1877f2;
    box-shadow: 0 10px 25px rgba(24, 119, 242, 0.35);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 80px 0 40px;
    transition: var(--transition);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 20px;
    font-size: 0.95rem;
    max-width: 320px;
}

.footer-tagline {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-top: 10px;
    font-weight: 700;
    font-family: var(--font-serif);
    margin-bottom: 12px;
    transition: var(--transition);
}

[data-theme="light"] .footer-tagline {
    color: #855800;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-link {
    font-size: 0.95rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--primary);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 40px;
    display: flex;
    flex-direction: column;
    text-align: center;
    gap: 20px;
}

.copyright {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.designer {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.designer span {
    color: var(--primary);
}

/* ==========================================================================
   FLOATING WHATSAPP
   ========================================================================== */

.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25d366;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-float::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid #25d366;
    animation: pulseWhatsapp 2s infinite;
    z-index: -1;
}

.whatsapp-float:hover {
    background-color: #20ba5a;
    transform: scale(1.1);
}

/* ==========================================================================
   LIGHTBOX MODAL
   ========================================================================== */

.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.open {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    max-width: 90%;
    max-height: 85vh;
    border-radius: var(--radius-sm);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox.open .lightbox-content {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    color: #fff;
    font-size: 2.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-close:hover {
    color: var(--primary);
}

.lightbox-caption {
    position: absolute;
    bottom: 30px;
    color: #fff;
    font-size: 1.2rem;
    font-weight: 500;
    text-align: center;
    width: 100%;
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulseWhatsapp {
    0% {
        transform: scale(1);
        opacity: 0.8;
    }

    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* Scroll Animation States */
.reveal {
    position: relative;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE DESIGN (MOBILE-FIRST PROGRESSIVE ENHANCEMENT)
   ========================================================================== */

/* Small Devices (Landscape Phones / Small Tablets) */
@media (min-width: 480px) {
    .stat-card {
        padding: 32px;
    }

    .stat-number {
        font-size: 3.5rem;
    }
}

/* Medium Devices (Tablets) */
@media (min-width: 768px) {
    .section {
        padding: 80px 0;
    }

    .section-title {
        font-size: 2.3rem;
    }

    .hero-title {
        font-size: 3.2rem;
    }

    .hero-slogan {
        font-size: 1.35rem;
        letter-spacing: 4px;
    }

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

    .services-selection {
        grid-template-columns: 1fr 1fr;
    }



    .footer-grid {
        grid-template-columns: 1.2fr 1fr;
        gap: 50px;
    }

    .footer-grid> :first-child {
        grid-column: span 2;
    }

    .footer-bottom {
        flex-direction: row;
        text-align: left;
        justify-content: space-between;
    }
}

/* Large Devices (Desktops / Laptops) */
@media (min-width: 1024px) {
    .section {
        padding: 100px 0;
    }

    .section-title {
        font-size: 2.8rem;
    }

    .hero {
        text-align: left;
        justify-content: flex-start;
    }

    .hero-title {
        font-size: 4rem;
    }

    .hero-slogan {
        font-size: 1.6rem;
        letter-spacing: 5px;
        margin-top: -8px;
        margin-bottom: 30px;
    }

    .hero-actions {
        justify-content: flex-start;
    }

    .about-grid {
        grid-template-columns: 1.2fr 1fr;
        gap: 80px;
    }

    .calculator-wrap {
        grid-template-columns: 1.2fr 1fr;
        gap: 60px;
        padding: 60px;
    }



    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 80px;
    }

    .footer-grid> :first-child {
        grid-column: span 1;
    }
}

/* ==========================================================================
   PORTFOLIO CAROUSEL & LIGHTBOX UPGRADES
   ========================================================================== */

.carousel-section-header {
    margin-bottom: 30px;
}
.carousel-section-title {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.carousel-section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

.portfolio-carousel-wrapper {
    position: relative;
    padding: 0 50px;
    margin: 0 auto;
    max-width: 100%;
}

.portfolio-carousel-track-container {
    overflow: hidden;
    width: 100%;
    cursor: grab;
}

.portfolio-carousel-track-container:active {
    cursor: grabbing;
}

.portfolio-carousel-track {
    display: flex;
    gap: 24px;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.portfolio-carousel-item {
    flex: 0 0 100%;
    max-width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-premium);
    cursor: pointer;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.portfolio-carousel-item .video-badge,
.gallery-item .video-badge {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    background: rgba(var(--primary-rgb), 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.6rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    z-index: 3;
    transition: var(--transition);
    pointer-events: none;
}

.portfolio-carousel-item:hover .video-badge,
.gallery-item:hover .video-badge {
    transform: translate(-50%, -50%) scale(1.15);
    background: var(--primary);
    box-shadow: 0 6px 25px rgba(var(--primary-rgb), 0.6);
}

.portfolio-carousel-item img, 
.portfolio-carousel-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-carousel-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.2) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 32px;
    opacity: 0;
    transition: var(--transition);
    z-index: 2;
}

.portfolio-carousel-item:hover img,
.portfolio-carousel-item:hover video {
    transform: scale(1.08);
}

.portfolio-carousel-item:hover .portfolio-carousel-item-overlay {
    opacity: 1;
}

.portfolio-carousel-item-category {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--primary);
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.portfolio-carousel-item-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
}

.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(var(--bg-rgb), 0.6);
    border: 1px solid var(--border);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    transition: var(--transition);
}

.carousel-control:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.4);
}

.carousel-control.prev {
    left: 0px;
}

.carousel-control.next {
    right: 0px;
}

.carousel-control:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    background: rgba(var(--bg-rgb), 0.3);
    border-color: var(--border);
    color: var(--text-muted);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 30px;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.carousel-dot.active {
    background: var(--primary);
    transform: scale(1.3);
    width: 18px;
    border-radius: 4px;
}

/* Lightbox container and video updates */
.lightbox-content-container {
    max-width: 85%;
    max-height: 80vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #000;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
}

.lightbox-content-container img,
.lightbox-content-container video {
    max-width: 100%;
    max-height: 80vh;
    display: block;
    object-fit: contain;
}

@media (min-width: 576px) {
    .portfolio-carousel-item {
        flex: 0 0 calc(50% - 12px);
    }
    .carousel-control.prev {
        left: -10px;
    }
    .carousel-control.next {
        right: -10px;
    }
}

@media (min-width: 992px) {
    .portfolio-carousel-item {
        flex: 0 0 calc(33.333% - 16px);
    }
    .carousel-control.prev {
        left: -20px;
    }
    .carousel-control.next {
        right: -20px;
    }
}