/* ============================================
   MODERN ELKOS ELEKTRO STYLESHEET v4.0
   Autor: ELKOS Digital Team
   Datum: 2025
   ============================================ */

/* ============================================
   CSS RESET & BASE
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Brand Colors */
    --primary-gold: #FFD700;
    --primary-gold-dark: #E6C200;
    --primary-gold-light: #FFED4E;
    --secondary-blue: #0EA5E9;
    --secondary-blue-dark: #0284C7;
    
    /* Neutral Colors */
    --dark-bg: #0F172A;
    --dark-blue: #1E293B;
    --darker-blue: #0F1419;
    --light-bg: #F8FAFC;
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Poppins', var(--font-primary);
    
    /* Font Sizes */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    --text-6xl: 3.75rem;     /* 60px */
    
    /* Spacing */
    --spacing-xs: 0.5rem;    /* 8px */
    --spacing-sm: 1rem;      /* 16px */
    --spacing-md: 1.5rem;    /* 24px */
    --spacing-lg: 2rem;      /* 32px */
    --spacing-xl: 3rem;      /* 48px */
    --spacing-2xl: 4rem;     /* 64px */
    --spacing-3xl: 6rem;     /* 96px */
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1.25rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;   /* 6px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    --radius-2xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-gold: 0 10px 30px -5px rgba(255, 215, 0, 0.3);
    --shadow-blue: 0 10px 30px -5px rgba(14, 165, 233, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ============================================
   SCROLL PROGRESS BAR
   ============================================ */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-gold), var(--secondary-blue));
    z-index: var(--z-tooltip);
    transition: width 0.1s ease;
}

/* ============================================
   CONTAINER & UTILITIES
   ============================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

/* Margin Utilities */
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

/* Padding Utilities */
.pt-1 { padding-top: var(--spacing-sm); }
.pt-2 { padding-top: var(--spacing-md); }
.pt-3 { padding-top: var(--spacing-lg); }
.pb-1 { padding-bottom: var(--spacing-sm); }
.pb-2 { padding-bottom: var(--spacing-md); }
.pb-3 { padding-bottom: var(--spacing-lg); }

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-600);
}

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

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

ul {
    list-style: none;
}

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

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: sticky;
    top: 0;
    background: var(--dark-bg);
    z-index: var(--z-sticky);
    transition: var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    background: rgba(15, 23, 42, 0.95);
}

.navbar {
    padding: 1rem 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.logo img {
    height: 50px;
    width: auto;
    transition: var(--transition-base);
}

.logo img:hover {
    filter: drop-shadow(0 0 15px rgba(255, 215, 0, 0.5));
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    color: var(--white);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
}

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

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

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-gold);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: auto;
}

/* Social Icons in Header */
.header-social-icons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.social-header-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border: 1px solid rgba(255, 215, 0, 0.3);
    transition: var(--transition-base);
}

.social-header-icon:hover {
    background: var(--primary-gold);
    transform: translateY(-3px);
    box-shadow: var(--shadow-gold);
}

.social-header-icon svg {
    width: 18px;
    height: 18px;
    fill: var(--white);
    transition: var(--transition-base);
}

.social-header-icon:hover svg {
    fill: var(--dark-bg);
}

.social-header-icon.whatsapp-icon:hover {
    background: #25D366;
}

.social-header-icon.whatsapp-icon:hover svg {
    fill: var(--white);
}

/* Call Button */
.btn-call {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-gold);
    color: var(--dark-bg);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: var(--text-base);
    box-shadow: var(--shadow-gold);
    transition: var(--transition-base);
}

.btn-call:hover {
    background: var(--primary-gold-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-call svg {
    stroke-width: 2.5;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: var(--z-modal);
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary-gold);
    transition: var(--transition-base);
    border-radius: 3px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(9px, 9px);
}

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

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--text-base);
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-base);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-gold-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--dark-bg);
}

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

.btn svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-3xl) 0;
    overflow: hidden;
    background: var(--dark-bg);
}

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

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-blue) 50%, var(--darker-blue) 100%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 215, 0, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(14, 165, 233, 0.08) 0%, transparent 50%);
    opacity: 0.6;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 215, 0, 0.3);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-gold);
    border-radius: 50%;
    animation: pulse-animation 2s infinite;
}

@keyframes pulse-animation {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(255, 215, 0, 0);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.hero-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--white);
    font-weight: 500;
    font-size: var(--text-base);
}

.hero-features svg {
    flex-shrink: 0;
    stroke: var(--primary-gold);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--primary-gold);
    font-family: var(--font-display);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(14, 165, 233, 0.1));
    color: var(--secondary-blue);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(14, 165, 233, 0.2);
}

.section-badge.light {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-gold);
    border-color: rgba(255, 215, 0, 0.3);
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    font-weight: 800;
}

.section-header p {
    font-size: var(--text-lg);
    color: var(--gray-600);
    line-height: 1.8;
}

/* ============================================
   SERVICES PREVIEW SECTION
   ============================================ */
.services-preview {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-gold), var(--secondary-blue));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-gold);
}

.service-icon {
    font-size: 3.5rem;
    line-height: 1;
    margin-bottom: var(--spacing-md);
    display: block;
}

.service-card h3 {
    font-size: var(--text-2xl);
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.service-card > p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.service-list {
    margin-bottom: var(--spacing-lg);
}

.service-list li {
    padding: 0.625rem 0;
    padding-left: 1.75rem;
    color: var(--gray-700);
    position: relative;
    line-height: 1.6;
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
    font-size: 1.1rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary-blue);
    font-weight: 600;
    font-size: var(--text-base);
    transition: var(--transition-base);
}

.service-link:hover {
    color: var(--primary-gold);
    gap: 1rem;
}

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

/* Glass Effect */
.glass-effect {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* ============================================
   WHY US SECTION
   ============================================ */
.why-us {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.benefit-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: var(--transition-base);
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-gold);
}

.benefit-icon {
    font-size: 4rem;
    line-height: 1;
    margin-bottom: var(--spacing-md);
    display: block;
}

.benefit-card h3 {
    font-size: var(--text-xl);
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.benefit-card p {
    color: var(--gray-600);
    line-height: 1.8;
}

/* ============================================
   OBJECT TYPES SECTION
   ============================================ */
.object-types {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.objects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.object-card {
    background: linear-gradient(135deg, var(--dark-bg), var(--dark-blue));
    color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
    border: 1px solid rgba(255, 215, 0, 0.1);
}

.object-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-gold);
}

.object-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.object-card h3 {
    font-size: var(--text-2xl);
    color: var(--primary-gold);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.object-card ul {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.object-card li {
    padding-left: 1.75rem;
    position: relative;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.object-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-gold);
    font-weight: bold;
}

/* ============================================
   WORK PROCESS SECTION
   ============================================ */
.work-process {
    padding: var(--spacing-3xl) 0;
    background: var(--dark-bg);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.work-process::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 215, 0, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(14, 165, 233, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.work-process .section-header h2 {
    color: var(--white);
}

.work-process .section-header p {
    color: rgba(255, 255, 255, 0.8);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-xl);
    position: relative;
    z-index: 2;
}

.step {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 2px solid rgba(255, 215, 0, 0.2);
    transition: var(--transition-base);
}

.step:hover {
    background: rgba(255, 215, 0, 0.1);
    border-color: var(--primary-gold);
    transform: translateY(-8px);
    box-shadow: var(--shadow-gold);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: var(--primary-gold);
    color: var(--dark-bg);
    border-radius: 50%;
    font-size: var(--text-3xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-display);
    box-shadow: var(--shadow-gold);
}

.step h3 {
    font-size: var(--text-xl);
    color: var(--primary-gold);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.step p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--gray-900);
    transition: var(--transition-base);
}

.faq-question:hover {
    color: var(--secondary-blue);
}

.faq-question svg {
    flex-shrink: 0;
    stroke: var(--gray-400);
    transition: var(--transition-base);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
    stroke: var(--primary-gold);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
}

.faq-answer p,
.faq-answer ul {
    padding: 0 1.5rem 1.5rem;
    color: var(--gray-600);
    line-height: 1.8;
}

.faq-answer ul {
    padding-left: 3rem;
    padding-bottom: 1rem;
}

.faq-answer li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.faq-answer li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-gold);
    font-weight: bold;
}

.faq-answer strong {
    color: var(--gray-900);
    font-weight: 600;
}

.faq-answer a {
    color: var(--secondary-blue);
    font-weight: 600;
    text-decoration: underline;
}

.faq-answer a:hover {
    color: var(--primary-gold);
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border-left: 5px solid var(--primary-gold);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    border-left: 5px solid var(--primary-gold);
    transition: var(--transition-base);
}

.testimonial:hover {
    box-shadow: var(--shadow-2xl);
    transform: translateY(-8px);
}

.testimonial-rating {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-md);
}

.testimonial p {
    font-size: var(--text-base);
    line-height: 1.8;
    color: var(--gray-700);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-left: 1.5rem;
}

.testimonial p::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -10px;
    font-size: 4rem;
    color: var(--primary-gold);
    opacity: 0.2;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial footer {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

.testimonial footer strong {
    color: var(--gray-900);
    font-size: var(--text-lg);
    font-weight: 700;
}

.testimonial footer span {
    color: var(--gray-500);
    font-size: var(--text-sm);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--secondary-blue), var(--dark-blue));
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

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

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-weight: 800;
}

.cta-content p {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.cta-info {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-info p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--text-base);
    margin: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-column h3,
.footer-column h4 {
    font-size: var(--text-xl);
    color: var(--primary-gold);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.footer-column p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-base);
    padding: 0.25rem 0;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--primary-gold);
    padding-left: 10px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-contact li {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.footer-contact strong {
    color: var(--primary-gold);
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-base);
}

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

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

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition-base);
    border: 1px solid rgba(255, 215, 0, 0.2);
}

.social-links a:hover {
    background: var(--primary-gold);
    color: var(--dark-bg);
    transform: translateY(-3px);
    box-shadow: var(--shadow-gold);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--text-sm);
    margin-bottom: 0.5rem;
}

.footer-credits a {
    color: var(--primary-gold);
    font-weight: 600;
}

.footer-credits a:hover {
    text-decoration: underline;
}

/* ============================================
   WHATSAPP FLOAT BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25D366;
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
    z-index: var(--z-fixed);
    transition: var(--transition-base);
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.7);
}

@keyframes whatsapp-pulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
    }
    50% {
        box-shadow: 0 6px 30px rgba(37, 211, 102, 0.8);
    }
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */
.scroll-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    background: var(--primary-gold);
    color: var(--dark-bg);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-base);
}

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

.scroll-to-top:hover {
    background: var(--primary-gold-light);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 968px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--dark-bg);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-xl);
        gap: 0;
        transition: left 0.3s ease;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu a {
        display: block;
        width: 100%;
        padding: var(--spacing-sm);
    }
    
    .menu-toggle {
        display: flex;
    }
    
    /* Header Social Icons */
    .header-social-icons {
        position: absolute;
        top: 12px;
        right: 55px;
        gap: 0.4rem;
    }
    
    .social-header-icon {
        width: 32px;
        height: 32px;
    }
    
    .social-header-icon svg {
        width: 16px;
        height: 16px;
    }
    
    /* Hero */
    .hero {
        min-height: auto;
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    /* Services Grid */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    /* CTA Info */
    .cta-info {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 640px) {
    :root {
        --container-padding: 1rem;
    }
    
    /* Typography */
    h1 { font-size: var(--text-4xl); }
    h2 { font-size: var(--text-3xl); }
    h3 { font-size: var(--text-2xl); }
    
    /* Spacing */
    .services-preview,
    .why-us,
    .object-types,
    .work-process,
    .testimonials,
    .cta-section,
    .faq-section {
        padding: var(--spacing-2xl) 0;
    }
    
    /* Grids */
    .benefits-grid,
    .objects-grid,
    .process-steps,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    /* Float Buttons */
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
    
    .scroll-to-top {
        bottom: 85px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* ============================================
   AOS ANIMATION LIBRARY COMPATIBILITY
   ============================================ */
[data-aos] {
    pointer-events: none;
}

[data-aos].aos-animate {
    pointer-events: auto;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .header,
    .whatsapp-float,
    .scroll-to-top,
    .scroll-progress {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
    }
    
    a {
        text-decoration: underline;
        color: #000;
    }
}