/* =========================================
   BRUSELAS CONSTRUCCIONES - MAIN STYLESHEET
   Modern Construction Company Website
   ========================================= */

/* ------------------- Variables ------------------- */
:root {
    /* Colors */
    --color-primary: #c9a96e;
    --color-primary-dark: #a88b52;
    --color-primary-light: #d4bc8a;
    --color-accent: #ff462e;

    --color-dark: #0a0a0a;
    --color-dark-100: #0f0f0f;
    --color-dark-200: #141414;
    --color-dark-300: #1a1a1a;
    --color-dark-400: #242424;
    --color-dark-500: #2d2d2d;

    --color-light: #ffffff;
    --color-light-100: #f9f9f9;
    --color-light-200: #f0f0f0;
    --color-light-300: #e0e0e0;
    --color-light-400: #c0c0c0;
    --color-light-500: #a0a0a0;

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

    /* Spacing */
    --section-padding: 120px;
    --container-padding: 24px;
    --container-max: 1400px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-smooth: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 60px rgba(0, 0, 0, 0.25);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: 80px;
}

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

body.loading {
    overflow: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

/* ------------------- Preloader ------------------- */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--color-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
}

.preloader-logo {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.3em;
    margin-bottom: 2rem;
}

.preloader-bar {
    width: 200px;
    height: 2px;
    background: var(--color-dark-400);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.preloader-progress {
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    animation: loading 1.5s ease-in-out forwards;
}

@keyframes loading {
    0% { width: 0; }
    100% { width: 100%; }
}

/* ------------------- Custom Cursor ------------------- */
.cursor,
.cursor-follower {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    display: none;
}

@media (min-width: 1024px) and (hover: hover) {
    .cursor,
    .cursor-follower {
        display: block;
    }

    .cursor {
        width: 8px;
        height: 8px;
        background: var(--color-primary);
        transition: transform 0.1s ease;
    }

    .cursor-follower {
        width: 40px;
        height: 40px;
        border: 1px solid var(--color-primary);
        transition: transform 0.3s ease, width 0.3s ease, height 0.3s ease, border-color 0.3s ease;
    }

    .cursor-follower.hover {
        width: 60px;
        height: 60px;
        border-color: var(--color-primary-light);
    }
}

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

/* ------------------- Header ------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-base);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: var(--shadow-md);
}

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

.nav-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-light);
    letter-spacing: 0.2em;
    line-height: 1;
}

.logo-sub {
    font-size: 0.65rem;
    font-weight: 400;
    color: var(--color-primary);
    letter-spacing: 0.4em;
    margin-top: 4px;
}

.nav-menu {
    display: none;
}

@media (min-width: 1024px) {
    .nav-menu {
        display: block;
    }
}

.nav-list {
    display: flex;
    gap: 40px;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-light-400);
    letter-spacing: 0.05em;
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-light);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-actions .btn {
    display: none;
}

@media (min-width: 768px) {
    .nav-actions .btn {
        display: inline-flex;
    }
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
}

@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-light);
    transition: var(--transition-base);
}

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

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-8px);
}

/* Mobile Menu */
@media (max-width: 1023px) {
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-dark);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
    }

    .nav-menu.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 24px;
    }

    .nav-link {
        font-size: 1.5rem;
    }
}

/* ------------------- Buttons ------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    letter-spacing: 0.02em;
}

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

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-light);
    border: 1px solid var(--color-light-500);
}

.btn-outline:hover {
    background: var(--color-light);
    color: var(--color-dark);
    border-color: var(--color-light);
}

.btn-lg {
    font-size: 1rem;
    padding: 16px 32px;
}

.btn-block {
    width: 100%;
}

.btn svg {
    transition: var(--transition-base);
}

.btn:hover svg {
    transform: translateX(4px);
}

/* ------------------- Section Styles ------------------- */
.section {
    padding: var(--section-padding) 0;
}

.section-dark {
    background: var(--color-dark);
    color: var(--color-light);
}

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

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.tag-number {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.1em;
}

.tag-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-light-500);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.section-dark .tag-text {
    color: var(--color-light-400);
}

.tag-line {
    display: inline-block;
    width: 40px;
    height: 1px;
    background: var(--color-primary);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 20px;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-light-500);
    line-height: 1.7;
}

.section-dark .section-subtitle {
    color: var(--color-light-400);
}

/* ------------------- Hero Section ------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-video,
.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 10, 0.7) 0%,
        rgba(10, 10, 10, 0.5) 50%,
        rgba(10, 10, 10, 0.9) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 120px 0 80px;
    max-width: 900px;
}

.hero-tag {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    color: var(--color-light-400);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5.5rem);
    font-weight: 600;
    line-height: 1.1;
    color: var(--color-light);
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.title-accent {
    color: var(--color-primary);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-light-400);
    max-width: 600px;
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 32px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 600;
    color: var(--color-light);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-light-500);
    margin-top: 8px;
}

.stat-divider {
    width: 1px;
    height: 60px;
    background: var(--color-dark-400);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-light-500);
}

.scroll-text {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: var(--color-dark-400);
    position: relative;
    overflow: hidden;
}

.scroll-dot {
    width: 3px;
    height: 10px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    position: absolute;
    left: -1px;
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% { top: 0; opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

/* ------------------- About Section ------------------- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

@media (min-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
        gap: 80px;
    }
}

.about-content .section-tag {
    justify-content: flex-start;
}

.about-content .section-title {
    text-align: left;
}

.about-text {
    font-size: 1.125rem;
    color: var(--color-light-500);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-text strong {
    color: var(--color-dark);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin: 40px 0;
}

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

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
}

.feature-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.feature-content p {
    font-size: 0.875rem;
    color: var(--color-light-500);
}

.about-visual {
    position: relative;
}

.visual-main {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.visual-main img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
}

.visual-secondary {
    position: absolute;
    bottom: -40px;
    left: -40px;
    width: 60%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--color-light);
}

.visual-secondary img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.visual-badge {
    position: absolute;
    top: 40px;
    right: -20px;
    width: 140px;
    height: 140px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    box-shadow: var(--shadow-lg);
}

.badge-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1;
}

.badge-text {
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
    line-height: 1.3;
    margin-top: 4px;
}

/* ------------------- Services Section ------------------- */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

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

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.service-card {
    background: var(--color-dark-200);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.service-card:hover {
    background: var(--color-dark-300);
    transform: translateY(-8px);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    color: var(--color-primary);
    margin-bottom: 24px;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-light);
    margin-bottom: 16px;
}

.service-description {
    font-size: 0.9375rem;
    color: var(--color-light-500);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-features {
    margin-bottom: 24px;
}

.service-features li {
    font-size: 0.875rem;
    color: var(--color-light-400);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 500;
}

.service-link:hover {
    color: var(--color-primary-light);
}

.service-link svg {
    transition: var(--transition-base);
}

.service-link:hover svg {
    transform: translateX(4px);
}

/* ------------------- Projects Section ------------------- */
.projects-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
}

.filter-btn {
    font-size: 0.875rem;
    font-weight: 500;
    padding: 10px 24px;
    border-radius: var(--radius-full);
    color: var(--color-light-500);
    background: var(--color-light-200);
    transition: var(--transition-base);
}

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

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

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

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

.project-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-light-200);
}

.project-card-lg {
    grid-column: span 1;
}

@media (min-width: 1024px) {
    .project-card-lg {
        grid-column: span 2;
    }
}

.project-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.project-card-lg .project-image {
    aspect-ratio: 16/9;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
}

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

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-view {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    transform: scale(0.8);
    transition: var(--transition-base);
}

.project-card:hover .project-view {
    transform: scale(1);
}

.project-content {
    padding: 24px;
}

.project-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.project-location {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: var(--color-light-500);
}

.project-location svg {
    color: var(--color-primary);
}

.projects-cta {
    text-align: center;
}

/* ------------------- Testimonials Section ------------------- */
.testimonials-slider {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .testimonials-slider {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    background: var(--color-dark-200);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition-base);
}

.testimonial-card:hover {
    background: var(--color-dark-300);
    transform: translateY(-4px);
}

.testimonial-quote {
    color: var(--color-primary);
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--color-light-400);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--color-primary);
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-light);
    margin-bottom: 4px;
}

.author-role {
    font-size: 0.8125rem;
    color: var(--color-light-500);
}

/* ------------------- Process Section ------------------- */
.process-timeline {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .process-timeline {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
}

.process-step {
    position: relative;
    text-align: center;
    padding: 40px 24px;
    background: var(--color-light-200);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.process-step:hover {
    background: var(--color-light-100);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 20px;
    opacity: 0.3;
}

.step-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    margin: 0 auto 20px;
}

.step-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.step-description {
    font-size: 0.9375rem;
    color: var(--color-light-500);
    line-height: 1.6;
}

/* ------------------- Contact Section ------------------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
}

@media (min-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr 1.2fr;
        gap: 80px;
    }
}

.contact-info .section-tag {
    justify-content: flex-start;
}

.contact-info .section-title {
    text-align: left;
}

.contact-description {
    font-size: 1.125rem;
    color: var(--color-light-400);
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

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

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--color-dark-300);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.contact-text h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-light);
    margin-bottom: 4px;
}

.contact-text p,
.contact-text a {
    font-size: 0.9375rem;
    color: var(--color-light-400);
}

.contact-text a:hover {
    color: var(--color-primary);
}

.contact-social h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-light);
    margin-bottom: 16px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--color-dark-300);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-light-400);
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--color-primary);
    color: var(--color-dark);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-dark-200);
    border-radius: var(--radius-xl);
    padding: 48px;
}

.form-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-light);
    margin-bottom: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

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

.form-group {
    margin-bottom: 0;
}

.form-group:not(.form-row .form-group) {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-light);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
    font-family: var(--font-primary);
    color: var(--color-light);
    background: var(--color-dark-300);
    border: 1px solid var(--color-dark-400);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-light-500);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23a0a0a0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.contact-form .btn {
    margin-top: 8px;
}

/* ------------------- Footer ------------------- */
.footer {
    background: var(--color-dark);
    color: var(--color-light);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--color-dark-400);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
        gap: 60px;
    }
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 20px;
}

.footer-description {
    font-size: 0.9375rem;
    color: var(--color-light-500);
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-legal {
    font-size: 0.8125rem;
    color: var(--color-light-500);
}

.footer-legal p {
    margin-bottom: 4px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-light);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

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

.footer-links a,
.footer-contact a {
    font-size: 0.9375rem;
    color: var(--color-light-500);
}

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

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 30px 0;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--color-light-500);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 0.8125rem;
    color: var(--color-light-500);
}

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

/* ------------------- Back to Top ------------------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-base);
    z-index: 999;
    box-shadow: var(--shadow-md);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-light);
    transform: translateY(-4px);
}

/* ------------------- Animations ------------------- */
[data-aos] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-20px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(20px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

/* ------------------- Responsive Adjustments ------------------- */
@media (max-width: 767px) {
    :root {
        --section-padding: 80px;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-divider {
        display: none;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .visual-secondary,
    .visual-badge {
        display: none;
    }

    .contact-form-wrapper {
        padding: 32px 24px;
    }
}

@media (max-width: 479px) {
    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ------------------- Selection ------------------- */
::selection {
    background: var(--color-primary);
    color: var(--color-dark);
}

::-moz-selection {
    background: var(--color-primary);
    color: var(--color-dark);
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--color-dark-400);
    border-radius: var(--radius-full);
}

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