/**
 * ANTALYA KORSAN TAKSİ - ANA CSS DOSYASI
 * 
 * @package AntalyaKorsanTaksi
 * @version 1.0
 * @date 18 Kasım 2025
 * @author Burak KAYA
 */

/* ============================================
   CSS İÇİNDEKİLER
   ============================================
   1. CSS Variables (Değişkenler)
   2. Reset & Base Styles
   3. Typography
   4. Layout & Grid
   5. Header & Navigation
   6. Hero Section
   7. Services Section
   8. Why Us Section
   9. CTA Section
   10. Blog Section
   11. Footer
   12. Buttons
   13. Forms
   14. Cards
   15. Animations
   16. Utilities
   ============================================ */

/* ============================================
   1. CSS VARIABLES
   ============================================ */
:root {
    /* Ana Renkler - Corporate Theme (Default) */
    --primary-color: #FFD700;
    --primary-dark: #FFC700;
    --primary-light: #FFE44D;
    --secondary-color: #1A1A1A;
    --secondary-dark: #000000;
    --secondary-light: #2D2D2D;
    
    /* Accent Renkler */
    --accent-color: #FF6B00;
    --accent-dark: #E65100;
    --accent-light: #FF8F00;
    
    /* Neutral Renkler */
    --white: #FFFFFF;
    --black: #000000;
    --gray-100: #F8F9FA;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-400: #CED4DA;
    --gray-500: #ADB5BD;
    --gray-600: #6C757D;
    --gray-700: #495057;
    --gray-800: #343A40;
    --gray-900: #212529;
    
    /* Semantic Renkler */
    --success: #28A745;
    --info: #17A2B8;
    --warning: #FFC107;
    --danger: #DC3545;
    
    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Roboto', Arial, sans-serif;
    --font-size-base: 16px;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-black: 900;
    
    /* Line Heights */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.8;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 1rem;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--gray-900);
    background-color: var(--white);
    overflow-x: hidden;
    transition: background-color var(--transition-base);
}

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

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

/* ============================================
   3. TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: clamp(1.125rem, 2vw, 1.25rem); }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-relaxed);
}

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

a:hover {
    color: var(--primary-dark);
}

strong, b {
    font-weight: var(--font-weight-bold);
}

em, i {
    font-style: italic;
}

/* ============================================
   4. LAYOUT & GRID
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--container-padding);
}

.section-padding {
    padding: var(--spacing-3xl) 0;
}

.bg-light {
    background-color: var(--gray-100);
}

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

/* Section Header */
.section-header {
    margin-bottom: var(--spacing-2xl);
}

.section-subtitle {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-bold);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
}

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

/* ============================================
   5. HEADER & NAVIGATION
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background-color: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

.site-header.scrolled {
    background-color: rgba(26, 26, 26, 0.98);
    box-shadow: var(--shadow-lg);
    padding: 0.75rem 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

/* Logo */
.site-logo {
    flex-shrink: 0;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: transform var(--transition-fast);
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo-img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

/* Navigation */
.main-navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
    font-weight: var(--font-weight-medium);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link i {
    font-size: 1rem;
}

.nav-item.active .nav-link,
.nav-link:hover {
    color: var(--primary-color);
    background-color: rgba(255, 215, 0, 0.1);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

/* Theme Switcher */
.theme-switcher {
    position: relative;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-full);
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background-color: rgba(255, 215, 0, 0.2);
    color: var(--primary-color);
    transform: rotate(15deg);
}

.theme-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background-color: var(--secondary-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem;
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 100;
}

.theme-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.theme-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-align: left;
    font-size: 0.875rem;
}

.theme-option:hover {
    background-color: rgba(255, 215, 0, 0.1);
    color: var(--primary-color);
    transform: translateX(5px);
}

.theme-option i {
    font-size: 1rem;
}

/* Call Button */
.btn-call {
    white-space: nowrap;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--white);
    transition: all var(--transition-fast);
    border-radius: 2px;
}

.mobile-menu-toggle.active .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

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

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--secondary-color);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: transform var(--transition-base), opacity var(--transition-base), visibility 0s linear .3s, max-height var(--transition-base);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-fixed);
}

.mobile-menu.open {
    max-height: calc(100vh - 70px);
    overflow-y: auto;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: transform var(--transition-base), opacity var(--transition-base), visibility 0s linear 0s, max-height var(--transition-base);
}

/* Prevent background scroll when menu is open */
body.no-scroll {
    overflow: hidden;
}

.mobile-menu-content {
    padding: 1.5rem;
}

.mobile-nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    color: var(--white);
    transition: all var(--transition-fast);
}

.mobile-nav-item.active .mobile-nav-link,
.mobile-nav-link:hover {
    color: var(--primary-color);
    background-color: rgba(255, 215, 0, 0.1);
}

.mobile-menu-footer {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.mobile-contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-300);
}

.mobile-social {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

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

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

/* WhatsApp Widget */
.whatsapp-widget {
    position: fixed;
    bottom: 2rem;
    z-index: var(--z-fixed);
}

.whatsapp-widget.bottom-left {
    left: 2rem;
}

.whatsapp-widget.bottom-right {
    right: 2rem;
}

.whatsapp-button {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background-color: #25D366;
    color: var(--white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-button:hover {
    transform: scale(1.05);
    background-color: #128C7E;
}

.whatsapp-button i {
    font-size: 1.5rem;
}

/* ============================================
   6. HERO SECTION
   ============================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

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

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.9) 0%, rgba(26, 26, 26, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    padding: var(--spacing-2xl) 0;
}

.hero-title {
    margin-bottom: var(--spacing-lg);
}

.hero-title-main {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: var(--font-weight-black);
    color: var(--primary-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    margin-bottom: var(--spacing-sm);
}

.hero-title-sub {
    display: block;
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: var(--font-weight-medium);
    color: var(--white);
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    line-height: var(--line-height-relaxed);
    color: var(--gray-300);
}

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

.hero-features {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-2xl);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
}

.hero-feature i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--white);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(16px); }
}

/* ============================================
   7. SERVICES SECTION
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-full);
    font-size: 2rem;
    color: var(--white);
    transition: transform var(--transition-base);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);
}

.service-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: var(--line-height-relaxed);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
    transition: gap var(--transition-fast);
}

.service-link:hover {
    gap: 1rem;
}

/* ============================================
   8. WHY US SECTION
   ============================================ */
.why-us-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-2xl);
    align-items: center;
}

.why-us-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.why-us-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.why-us-image:hover img {
    transform: scale(1.05);
}

.why-us-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.feature-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.feature-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(10px);
}

.feature-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    color: var(--white);
}

.feature-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
}

.feature-content p {
    color: var(--gray-600);
    margin-bottom: 0;
}

/* ============================================
   9. CTA SECTION
   ============================================ */
.cta-section {
    position: relative;
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    overflow: hidden;
}

.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/cta-bg.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.9), rgba(0, 0, 0, 0.8));
}

.cta-content {
    position: relative;
    z-index: 1;
    color: var(--white);
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: 1.25rem;
    color: var(--gray-300);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-info {
    margin-top: var(--spacing-lg);
    font-size: 1.125rem;
    color: var(--gray-300);
}

.cta-info a {
    color: var(--primary-color);
    font-weight: var(--font-weight-bold);
}

/* ============================================
   10. BLOG SECTION
   ============================================ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

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

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.blog-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

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

.blog-category {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
}

.blog-content {
    padding: var(--spacing-xl);
}

.blog-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.blog-title a {
    color: var(--secondary-color);
    transition: color var(--transition-fast);
}

.blog-title a:hover {
    color: var(--primary-color);
}

.blog-excerpt {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: var(--line-height-relaxed);
}

.blog-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
    transition: gap var(--transition-fast);
}

.blog-link:hover {
    gap: 1rem;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-column h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    font-size: 1.25rem;
}

.footer-column p,
.footer-column a {
    color: var(--gray-300);
    line-height: var(--line-height-relaxed);
}

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

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

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

.footer-links a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    transform: translateX(5px);
}

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

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

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--gray-400);
}

.developer-credit {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--secondary-color);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-base);
}

.developer-credit:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

/* ============================================
   12. BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    text-align: center;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--secondary-color);
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ============================================
   13. FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: var(--font-primary);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   14. CARDS
   ============================================ */
.card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-xl);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

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

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    background-color: var(--gray-100);
}

/* ============================================
   15. ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-fadeIn { animation: fadeIn 0.6s ease-out; }
.animate-fadeInUp { animation: fadeInUp 0.6s ease-out; }
.animate-fadeInDown { animation: fadeInDown 0.6s ease-out; }
.animate-slideInLeft { animation: slideInLeft 0.6s ease-out; }
.animate-slideInRight { animation: slideInRight 0.6s ease-out; }
.animate-zoomIn { animation: zoomIn 0.6s ease-out; }

/* ============================================
   16. UTILITIES
   ============================================ */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.align-items-center { align-items: center !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }

.gap-sm { gap: var(--spacing-sm) !important; }
.gap-md { gap: var(--spacing-md) !important; }
.gap-lg { gap: var(--spacing-lg) !important; }

.m-0 { margin: 0 !important; }
.mt-auto { margin-top: auto !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-sm { margin-bottom: var(--spacing-sm) !important; }
.mb-md { margin-bottom: var(--spacing-md) !important; }
.mb-lg { margin-bottom: var(--spacing-lg) !important; }

.p-0 { padding: 0 !important; }
.p-sm { padding: var(--spacing-sm) !important; }
.p-md { padding: var(--spacing-md) !important; }
.p-lg { padding: var(--spacing-lg) !important; }

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

.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-white { color: var(--white) !important; }
.text-muted { color: var(--gray-600) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-secondary { background-color: var(--secondary-color) !important; }
.bg-white { background-color: var(--white) !important; }

.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }

.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }

.overflow-hidden { overflow: hidden !important; }

.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

.lazy.loaded {
    opacity: 1;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--secondary-color);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-lg);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-xl);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #128C7E;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-300);
    border-top-color: var(--primary-color);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --container-padding: 1.5rem;
    }
    
    .services-grid,
    .blog-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-navigation {
        display: none;
    }
    
    .nav-menu {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-menu a {
        width: 100%;
        padding: 1rem;
    }
    
    .theme-switcher {
        width: 100%;
        justify-content: center;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-features {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .why-us-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-float {
        bottom: 5rem;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 14px;
        --container-padding: 1rem;
    }
    
    .section-padding {
        padding: var(--spacing-2xl) 0;
    }
    
    .services-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Print Styles */
@media print {
    .site-header,
    .whatsapp-float,
    .scroll-to-top,
    .mobile-menu-toggle,
    .theme-switcher {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }
    
    a {
        text-decoration: underline;
    }
    
    .section-padding {
        padding: 1rem 0;
    }
}