/**
 * Desarrolladora Arco S.A. de C.V.
 * Landing Page - Estilos CSS
 *
 * Diseno: Arquitectonico Moderno / Elegante Premium
 * Paleta: Dorado, Grafito, Blancos cremosos
 * Concepto: Construccion de vivienda y diseno de interiores
 */

/* ========================================
   CSS Variables
======================================== */
:root {
    /* Colores principales - Basados en el logo */
    --color-gold: #C9A227;
    --color-gold-dark: #A88921;
    --color-gold-light: #D4B53D;
    --color-gold-pale: #F5EDD6;

    /* Colores neutros */
    --color-charcoal: #2D2D2D;
    --color-graphite: #3D3D3D;
    --color-gray-dark: #5A5A5A;
    --color-gray: #7A7A7A;
    --color-gray-light: #A0A0A0;
    --color-gray-200: #E5E5E5;
    --color-cream: #FAF8F5;
    --color-white: #FFFFFF;
   

    /* Gradientes */
    --gradient-gold: linear-gradient(135deg, #C9A227 0%, #D4B53D 50%, #A88921 100%);
    --gradient-dark: linear-gradient(180deg, #2D2D2D 0%, #1A1A1A 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.7) 100%);

    /* Tipografia */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Raleway', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Espaciado */
    --container-width: 1400px;
    --section-padding: 120px;

    /* Bordes y sombras */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.16);
    --shadow-xl: 0 24px 64px rgba(0,0,0,0.2);
    --shadow-gold: 0 8px 32px rgba(201, 162, 39, 0.3);

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

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

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-charcoal);
    background-color: var(--color-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ========================================
   Container
======================================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* ========================================
   Typography
======================================== */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--color-gold);
    margin-bottom: 24px;
}

.section-label.light {
    color: var(--color-gold-light);
}

.label-line {
    display: block;
    width: 50px;
    height: 1px;
    background: var(--color-gold);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 4vw, 3.5rem);
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-charcoal);
    margin-bottom: 24px;
}

.section-title.light {
    color: var(--color-white);
}

.section-title em {
    font-style: normal;
    color: var(--color-gold);
}

.section-subtitle {
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--color-gray);
    max-width: 600px;
    line-height: 1.8;
}

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 36px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

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

.btn-primary {
    background: var(--color-gold);
    color: var(--color-charcoal);
    box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
    background: var(--color-gold-dark);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(201, 162, 39, 0.4);
}

.btn-secondary {
    background: var(--color-charcoal);
    color: var(--color-white);
}

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

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

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

.btn-outline-light {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255,255,255,0.5);
}

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

.btn-lg {
    padding: 20px 48px;
    font-size: 0.9375rem;
}

/* ========================================
   Header
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 24px 0;
    transition: var(--transition-base);
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 400px;
    background: linear-gradient(180deg, rgba(255,255, 255, 0.9) 0%, rgba(127, 126, 126, 0.484) 40%, rgba(42, 41, 41, 0.15) 90%, transparent 100%);
    pointer-events: none;
    z-index: -1;
    transition: var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    padding: 16px 0;
    box-shadow: var(--shadow-md);
}

.header.scrolled::before {
    opacity: 0;
}

.header-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 100px;
    width: auto;
    transition: var(--transition-fast);
}

.header.scrolled .logo img {
    height: 100px;
}

.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    position: relative;
    padding: 12px 20px;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-white);
    transition: var(--transition-fast);
}

.header.scrolled .nav-link {
    color: var(--color-charcoal);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 20px;
    right: 20px;
    height: 2px;
    background: var(--color-gold);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-white);
}

.header.scrolled .header-phone {
    color: var(--color-charcoal);
}

.header-phone svg {
    width: 18px;
    height: 18px;
}

.header-phone:hover {
    color: var(--color-gold);
}

.btn-header {
    padding: 12px 28px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-charcoal);
    background: var(--color-gold);
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
}

.btn-header:hover {
    background: var(--color-gold-dark);
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-fast);
}

.header.scrolled .menu-toggle span {
    background: var(--color-charcoal);
}

/* ========================================
   Hero Section
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.hero-media {
    position: absolute;
    inset: 0;
}

.hero-image {
    position: absolute;
    inset: 0;
    background: url('img/fachada.webp') center/cover no-repeat;
    transform: scale(1.1);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(0,0,0,0.5) 0%,
        rgba(0,0,0,0.4) 50%,
        rgba(0,0,0,0.7) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 160px 40px 60px;
    max-width: 900px;
    margin: 0 auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-text {
    margin-bottom: 0;
}

.hero-subtitle {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 24px;
    padding: 12px 24px;
    border: 1px solid rgba(201, 162, 39, 0.4);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 400;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: 24px;
}

.hero-title span {
    color: var(--color-gold);
    font-weight: 500;
}

.hero-description {
    font-size: 1.125rem;
    font-weight: 300;
    color: rgba(255,255,255,0.85);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.9;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* Hero Stats - Bottom Bar */
.hero-stats {
    position: relative;
    z-index: 3;
    display: flex;
    justify-content: center;
    gap: 0;
    background: rgba(45, 45, 45, 0.95);
    backdrop-filter: blur(20px);
}

.stat-card {
    text-align: center;
    padding: 40px 60px;
    border-right: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition-base);
}

.stat-card:last-child {
    border-right: none;
}

.stat-card:hover {
    background: rgba(201, 162, 39, 0.1);
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 500;
    color: var(--color-gold);
    line-height: 1;
}

.stat-number::after {
    content: '+';
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.7);
    margin-top: 12px;
}

/* Hero Scroll */
.hero-scroll {
    position: absolute;
    bottom: 140px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 3;
}

.hero-scroll span {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6);
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.4);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-dot {
    width: 4px;
    height: 8px;
    background: var(--color-gold);
    border-radius: 2px;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(12px); opacity: 0.3; }
}

/* ========================================
   About Section
======================================== */
.about {
    padding: var(--section-padding) 0;
    background: var(--color-cream);
}

.about-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 100px;
    align-items: center;
}

.about-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, auto);
    gap: 24px;
}

.gallery-item {
    overflow: hidden;
    border-radius: var(--radius-lg);
}

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

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-main {
    grid-column: 1 / -1;
    height: 350px;
}

.gallery-secondary {
    height: 220px;
}

.gallery-accent {
    position: relative;
    height: 220px;
}

.gallery-badge {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(to top, rgba(201, 162, 39, 0.95), transparent);
    text-align: center;
}

.badge-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--color-white);
    line-height: 1;
}

.badge-text {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.9);
    margin-top: 4px;
}

.about-content {
    padding-left: 20px;
}

.about-lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-graphite);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-text {
    font-size: 1rem;
    color: var(--color-gray);
    margin-bottom: 40px;
    line-height: 1.9;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.feature-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gold-pale);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-gold);
}

.feature-text h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-charcoal);
    margin-bottom: 4px;
}

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

/* ========================================
   Services Section
======================================== */
.services {
    padding: var(--section-padding) 0;
    background: var(--color-charcoal);
}

.services-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
    padding: 0 40px;
}

.services-grid {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.service-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 500px;
}

.service-card.reverse {
    direction: rtl;
}

.service-card.reverse > * {
    direction: ltr;
}

.service-image {
    position: relative;
    overflow: hidden;
}

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

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-number {
    position: absolute;
    top: 40px;
    left: 40px;
    font-family: var(--font-heading);
    font-size: 6rem;
    font-weight: 400;
    color: rgba(255,255,255,0.15);
    line-height: 1;
}

.service-card.reverse .service-number {
    left: auto;
    right: 40px;
}

.service-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px 80px;
    background: var(--color-graphite);
}

.service-content h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: 20px;
}

.service-content p {
    font-size: 1rem;
    color: var(--color-gray-light);
    margin-bottom: 28px;
    line-height: 1.8;
}

.service-list {
    margin-bottom: 32px;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.8);
    padding: 8px 0;
}

.service-list li::before {
    content: '';
    width: 8px;
    height: 1px;
    background: var(--color-gold);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-gold);
}

.service-link svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

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

.service-link:hover svg {
    transform: translateX(5px);
}

/* ========================================
   Projects Section
======================================== */
.projects {
    padding: var(--section-padding) 0;
    background: var(--color-white);
}

.projects-header {
    margin-bottom: 60px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 300px);
    gap: 24px;
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    cursor: pointer;
}

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

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

.project-overlay {
    position: absolute;
    inset: 0;
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.8) 100%);
    opacity: 0;
    transition: var(--transition-base);
}

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

.project-category {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 8px;
}

.project-overlay h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: 8px;
}

.project-overlay p {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.8);
}

.project-large {
    grid-column: span 2;
    grid-row: span 2;
}

.project-wide {
    grid-column: span 2;
}

.projects-cta {
    text-align: center;
    margin-top: 60px;
}

/* ========================================
   Process Section - Accordion Style
======================================== */
.process {
    padding: var(--section-padding) 0;
    background: var(--color-charcoal);
    overflow: hidden;
}

.process .container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: center;
}

.process-content {
    padding-right: 40px;
}

.process-header {
    margin-bottom: 40px;
}

.process-intro {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 32px;
}

.process-highlight {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: rgba(201, 162, 39, 0.1);
    border-left: 4px solid var(--color-gold);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.process-highlight-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gold);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.process-highlight-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-charcoal);
}

.process-highlight-text {
    font-size: 1rem;
    color: var(--color-white);
    line-height: 1.6;
}

.process-highlight-text strong {
    color: var(--color-gold);
}

/* Process Accordion Cards */
.process-accordion {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.process-card {
    position: relative;
    display: grid;
    grid-template-columns: 100px 1fr;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-base);
    cursor: pointer;
}

.process-card:hover {
    background: rgba(255,255,255,0.06);
    border-color: var(--color-gold);
    transform: translateX(8px);
}

.process-card-number {
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 162, 39, 0.1);
    border-right: 1px solid rgba(255,255,255,0.08);
    transition: var(--transition-base);
}

.process-card:hover .process-card-number {
    background: var(--color-gold);
}

.process-card-number span {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--color-gold);
    transition: var(--transition-base);
}

.process-card:hover .process-card-number span {
    color: var(--color-charcoal);
}

.process-card-content {
    padding: 28px 32px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.process-card-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 162, 39, 0.15);
    border-radius: var(--radius-md);
    flex-shrink: 0;
    transition: var(--transition-base);
}

.process-card:hover .process-card-icon {
    background: rgba(201, 162, 39, 0.25);
}

.process-card-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-gold);
}

.process-card-text h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: 6px;
}

.process-card-text p {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.6;
}

.process-card-arrow {
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-base);
}

.process-card:hover .process-card-arrow {
    opacity: 1;
}

.process-card-arrow svg {
    width: 20px;
    height: 20px;
    color: var(--color-gold);
}

/* ========================================
   CTA Section
======================================== */
.cta-section {
    position: relative;
    padding: 150px 0;
    overflow: hidden;
}

.cta-shape {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 200%;
    height: 200px;
    background: var(--color-cream);
    border-radius: 0 0 50% 50%;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background: url('img/desarrollo habitacional aerea.webp') center/cover no-repeat;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(45, 45, 45, 0.92), rgba(30, 30, 30, 0.95));
}

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

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: 24px;
    line-height: 1.2;
}

.cta-content h2 span {
    color: var(--color-gold);
}

.cta-content p {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 48px;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    min-height: 800px;
}

.contact-info {
    background: var(--color-charcoal);
    padding: 80px 60px;
    display: flex;
    align-items: center;
}

.contact-info-content {
    max-width: 400px;
}

.contact-description {
    font-size: 1rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 48px;
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 162, 39, 0.15);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

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

.contact-item > div span {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 6px;
}

.contact-item > div a,
.contact-item > div p {
    font-size: 1rem;
    color: var(--color-white);
    line-height: 1.6;
}

.contact-item > div a:hover {
    color: var(--color-gold);
}

a.contact-item {
    text-decoration: none;
    transition: transform 0.2s ease, background-color 0.2s ease;
    padding: 12px;
    margin: -12px;
    margin-bottom: 12px;
    border-radius: 12px;
}

a.contact-item:hover {
    transform: translateX(8px);
    background-color: rgba(255, 255, 255, 0.05);
}

.contact-map {
    margin-top: 16px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.contact-map:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.contact-map iframe {
    display: block;
    width: 100%;
    height: 180px;
    border: none;
    filter: grayscale(30%);
    transition: filter 0.2s ease;
}

.contact-map:hover iframe {
    filter: grayscale(0%);
}

/* Contact Form */
.contact-form-wrapper {
    padding: 80px 80px;
    display: flex;
    align-items: center;
}

.contact-form {
    width: 100%;
    max-width: 550px;
}

.contact-form h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 500;
    color: var(--color-charcoal);
    margin-bottom: 8px;
}

.contact-form > p {
    font-size: 1rem;
    color: var(--color-gray);
    margin-bottom: 40px;
}

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

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-charcoal);
    margin-bottom: 10px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px 20px;
    font-size: 1rem;
    color: var(--color-charcoal);
    background: var(--color-cream);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    outline: none;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--color-gold);
    background: var(--color-white);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%237A7A7A' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 18px;
}

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

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 20px 40px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-charcoal);
    background: var(--color-gold);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-gold);
}

.btn-submit:hover {
    background: var(--color-gold-dark);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(201, 162, 39, 0.4);
}

.btn-submit svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

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

/* ========================================
   Footer
======================================== */
.footer {
    background: var(--color-charcoal);
}

.footer-main {
    padding: 80px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 60px;
}

.footer-logo {
    height: 100px;
    width: auto;
    margin-bottom: 24px;
}

.footer-brand p {
    font-size: 0.9375rem;
    color: var(--color-gray-light);
    margin-bottom: 28px;
    line-height: 1.8;
}

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

.footer-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    color: var(--color-gray-light);
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-gold);
    color: var(--color-charcoal);
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: 24px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

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

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

.footer-contact p {
    font-size: 0.9375rem;
    color: var(--color-gray-light);
    margin-bottom: 12px;
    line-height: 1.7;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 28px 40px;
}

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

.footer-legal {
    display: flex;
    gap: 32px;
}

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

.footer-legal a:hover {
    color: var(--color-gold);
}

/* ========================================
   Animations
======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 1200px) {
    :root {
        --section-padding: 100px;
    }

    .container,
    .header-container {
        padding: 0 32px;
    }

    .about-container {
        gap: 60px;
    }

    .service-content {
        padding: 50px 60px;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .stat-card {
        padding: 30px 40px;
    }

    .about-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .about-content {
        padding-left: 0;
    }

    .service-card {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .service-card.reverse {
        direction: ltr;
    }

    .service-image {
        height: 350px;
    }

    .service-number {
        left: 30px !important;
        right: auto !important;
    }

    .service-content {
        padding: 50px;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 280px);
    }

    .project-large {
        grid-column: span 2;
        grid-row: span 1;
    }

    .project-wide {
        grid-column: span 2;
    }

    .process .container {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .process-content {
        padding-right: 0;
        text-align: center;
    }

    .process-highlight {
        justify-content: center;
        text-align: left;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .contact-info {
        padding: 60px 40px;
    }

    .contact-form-wrapper {
        padding: 60px 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .container,
    .header-container {
        padding: 0 24px;
    }

    .nav,
    .header-phone,
    .btn-header {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    /* Mobile Nav */
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--color-white);
        padding: 100px 30px 40px;
        transition: var(--transition-base);
        box-shadow: var(--shadow-xl);
        display: block;
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
    }

    .nav-link {
        width: 100%;
        padding: 16px 0;
        font-size: 1rem;
        color: var(--color-charcoal);
        border-bottom: 1px solid var(--color-gray-200);
    }

    .nav-link::after {
        display: none;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .hero-cta .btn {
        width: 100%;
        max-width: 300px;
    }

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

    .stat-card {
        padding: 24px 40px;
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .stat-card:last-child {
        border-bottom: none;
    }

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

    .hero-scroll {
        display: none;
    }

    .process-card {
        grid-template-columns: 80px 1fr;
    }

    .process-card-content {
        padding: 20px 24px;
    }

    .process-card-number span {
        font-size: 2rem;
    }

    .about-gallery {
        grid-template-columns: 1fr;
    }

    .gallery-main,
    .gallery-secondary,
    .gallery-accent {
        height: 250px;
    }

    .section-title {
        font-size: 2rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }

    .project-card,
    .project-large,
    .project-wide {
        grid-column: span 1;
        grid-row: span 1;
        height: 280px;
    }

    .process-steps {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-bottom .container {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .container,
    .header-container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 0.625rem;
        letter-spacing: 4px;
    }

    .stat-card {
        padding: 20px 30px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .service-content {
        padding: 40px 24px;
    }

    .service-content h3 {
        font-size: 1.5rem;
    }

    .contact-info,
    .contact-form-wrapper {
        padding: 40px 24px;
    }

    .contact-form h3 {
        font-size: 1.5rem;
    }

    .feature-item {
        flex-direction: column;
        text-align: center;
    }

    .process-card {
        grid-template-columns: 60px 1fr;
    }

    .process-card-number span {
        font-size: 1.5rem;
    }

    .process-card-content {
        padding: 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .process-card-icon {
        width: 40px;
        height: 40px;
    }

    .process-card-icon svg {
        width: 20px;
        height: 20px;
    }

    .process-card-text h4 {
        font-size: 1rem;
    }

    .process-card-text p {
        font-size: 0.8125rem;
    }

    .process-card-arrow {
        display: none;
    }

    .process-highlight {
        flex-direction: column;
        text-align: center;
    }
}