/**
 * Salkon Mühendislik - Ana CSS Dosyası
 * Main Stylesheet - Corporate, Clean, Minimal Design
 */

/* ============================================
   CSS Variables & Root Styles
   ============================================ */
:root {
    /* Colors */
    --primary-color: #00A4CC;
    --primary-dark: #008FB3;
    --primary-light: #33B8D6;
    --secondary-color: #0D47A1;
    --secondary-dark: #002171;
    --accent-color: #00BCD4;
    
    --dark-color: #1A1A2E;
    --text-dark: #2C3E50;
    --text-light: #6C757D;
    --text-muted: #95A5A6;
    
    --bg-white: #FFFFFF;
    --bg-light: #F8F9FA;
    --bg-gray: #E9ECEF;
    --bg-dark: #1A1A2E;
    
    --border-color: #DEE2E6;
    --border-light: #E9ECEF;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    
    --line-height-base: 1.6;
    --line-height-heading: 1.3;
    
    /* Spacing */
    --spacing-xs: 0.125rem;   /* 2px */
    --spacing-sm: 0.25rem;     /* 4px */
    --spacing-md: 0.375rem;   /* 6px */
    --spacing-lg: 0.5rem;     /* 8px */
    --spacing-xl: 0.75rem;     /* 12px */
    --spacing-2xl: 1rem;    /* 16px */
    --spacing-3xl: 1.5rem;    /* 24px */
    --spacing-4xl: 2rem;    /* 24px */
    
    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 20px;
    --header-height: 80px;
    
    /* Transitions */
    --transition-speed: 0.3s;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.15);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-dark);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    zoom: 0.9;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: var(--line-height-heading);
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(32px, 5vw, 56px); }
h2 { font-size: clamp(28px, 4vw, 42px); }
h3 { font-size: clamp(24px, 3.5vw, 32px); }
h4 { font-size: clamp(20px, 3vw, 24px); }
h5 { font-size: clamp(18px, 2.5vw, 20px); }
h6 { font-size: clamp(16px, 2vw, 18px); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

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

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

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

ul, ol {
    list-style: none;
}

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

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

/* ============================================
   Layout & Container
   ============================================ */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    padding-top:25px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col-lg-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 15px;
}

.align-center {
    align-items: top;
}

/* ============================================
   Header
   ============================================ */
.site-header {
    position: sticky;
    top: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

.top-bar {
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-light);
    padding: 10px 0;
    font-size: var(--font-size-sm);
}

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

.contact-info {
    display: flex;
    gap: 20px;
}

.contact-info a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--text-light);
    transition: var(--transition-smooth);
    border-radius: 4px;
}

.contact-info a:hover {
    background-color: rgba(0, 156, 229, 0.1);
    color: var(--primary-color);
}

.contact-info i {
    font-size: 16px;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-white);
    color: var(--text-light);
    transition: var(--transition-smooth);
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--bg-white);
    transform: translateY(-2px);
}

.language-switcher {
    position: relative;
}

.language-switcher .lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    color: var(--text-light);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.language-switcher .lang-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.language-switcher .lang-toggle i.fa-chevron-down {
    font-size: 10px;
    transition: transform 0.3s ease;
}

.language-switcher:hover .lang-toggle i.fa-chevron-down {
    transform: rotate(180deg);
}

.language-switcher .lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    background: var(--bg-white, #fff);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    display: none;
    z-index: 1000;
    overflow: hidden;
}

.language-switcher:hover .lang-dropdown,
.language-switcher.active .lang-dropdown {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-switcher .lang-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-dark);
    font-size: 14px;
    transition: var(--transition-smooth);
    border-bottom: 1px solid var(--border-color);
}

.language-switcher .lang-option:last-child {
    border-bottom: none;
}

.language-switcher .lang-option:hover {
    background: var(--bg-light);
}

.language-switcher .lang-option.active {
    background: var(--primary-color);
    color: var(--bg-white);
}

.language-switcher .lang-option.active .lang-flag {
    background: rgba(255, 255, 255, 0.2);
}

.language-switcher .lang-flag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 24px;
    background: var(--bg-light);
    border-radius: 4px;
    font-weight: 700;
    font-size: 11px;
    color: var(--primary-color);
}

.language-switcher .lang-name {
    flex: 1;
    font-weight: 500;
}

.main-header {
    padding: 15px 0;
}

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

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

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

.nav-menu > li {
    position: relative;
}

.nav-menu > li.has-dropdown > a {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-menu > li.has-dropdown > a i {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.nav-menu > li.has-dropdown:hover > a i {
    transform: rotate(180deg);
}

.nav-menu a {
    padding: 8px 16px;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-menu > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.nav-menu > li > a:hover::after,
.nav-menu > li > a.active::after {
    transform: scaleX(1);
}

.nav-menu > li > a.active {
    color: var(--primary-color);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 220px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 12px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin-top: 10px;
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: var(--text-dark);
    font-size: 14px;
    transition: all 0.2s ease;
}

.dropdown-menu a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
    padding-left: 25px;
}

.dropdown-menu a.active {
    color: var(--primary-color);
    background: var(--bg-light);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease;
}

.hero-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 164, 204, 0.9) 0%, rgba(13, 71, 161, 0.85) 100%);
    z-index: 2;
}

.hero-section > .container {
    position: relative;
    z-index: 10;
    width: 100%;
    padding-top: 0;
    padding-bottom: 30px;
}

.hero-content {
    max-width: 700px;
    color: #fff;
    text-align: center;
    margin: 0 auto;
    margin-top: -20px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    margin-bottom: 15px;
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.badge-icon {
    font-size: 16px;
    color: #FFD700;
}

.badge-text {
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.5px;
    color: #fff;
}

.hero-subtitle {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 4px;
    opacity: 0.9;
    letter-spacing: 1px;
    color: #fff;
}

.hero-title {
    font-size: clamp(26px, 4vw, 40px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 10px;
    color: #fff;
}

.hero-description {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 16px;
    opacity: 0.95;
    color: #fff;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    position: relative;
    width: 100%;
    background: linear-gradient(135deg, #1a3a7a, #2851a3);
    padding: 25px 0;
    z-index: 10;
    box-shadow: 0 -5px 30px rgba(0, 0, 0, 0.15);
    margin-top: -50px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.stat-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.stat-icon {
    flex-shrink: 0;
    width: 55px;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    color: #fff;
    font-size: 24px;
}

.stat-content h3 {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    margin: 0;
    line-height: 1;
}

.stat-content p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
    margin: 4px 0 0;
}

/* Hero Controls */
.hero-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 15;
}

.hero-nav-btn.hero-prev {
    left: 20px;
}

.hero-nav-btn.hero-next {
    right: 20px;
}

.hero-nav-btn:hover {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
    border-color: #fff;
}

.hero-dots {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 15;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-dot.active,
.hero-dot:hover {
    background: #fff;
    border-color: #fff;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
    cursor: pointer;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--bg-white);
}

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

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

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

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

/* ============================================
   Sections
   ============================================ */
.section-padding {
    padding: 30px 0;
}

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

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

.section-header {
    margin-bottom: var(--spacing-xl);
}

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

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   About Preview Section
   ============================================ */
.about-preview-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-preview-image img {
    width: 100%;
    height: auto;
    display: block;
}

.about-experience-badge {
    position: absolute;
    bottom: 30px;
    right: 30px;
    width: 120px;
    height: 120px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    border: 6px solid var(--bg-white);
}

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

.experience-years {
    display: block;
    font-size: 48px;
    font-weight: 800;
    color: var(--bg-white);
    line-height: 1;
}

.experience-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--bg-white);
    opacity: 0.9;
}

.about-preview-content {
    padding-left: var(--spacing-xl);
}

.feature-list {
    margin: var(--spacing-lg) 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: var(--spacing-sm);
    font-size: 16px;
    color: var(--text-dark);
}

.feature-list i {
    color: var(--primary-color);
    font-size: 20px;
}

/* ============================================
   Services Section
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-light);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-lg);
    color: var(--bg-white);
    font-size: 32px;
    margin-bottom: var(--spacing-md);
}

.service-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-color);
}

.service-description {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 15px;
}

.service-link:hover {
    gap: 12px;
}

/* ============================================
   Projects Section
   ============================================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.project-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.project-image {
    position: relative;
    width: 100%;
    height: 100%;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85), transparent);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-lg);
    opacity: 1;
    transition: var(--transition-smooth);
}

.project-overlay .project-info {
    color: #fff;
    width: 100%;
}

.project-overlay .project-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-color);
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.project-overlay .project-title,
.project-overlay h3 {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-white);
    color: var(--primary-color);
    border-radius: 50%;
    transition: var(--transition-smooth);
}

.project-card:hover .project-link {
    background: var(--primary-color);
    color: var(--bg-white);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    position: relative;
    padding: var(--spacing-xxl) 0;
    background-image: url('../images/cta-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(13, 71, 161, 0.92), rgba(0, 164, 204, 0.9));
    z-index: 1;
}

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

.cta-content {
    max-width: 800px;
    margin: 25px auto;
    color: var(--bg-white);
}

.cta-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--bg-white);
}

.cta-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    color: var(--bg-white);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.8);
}

.footer-main {
    padding: var(--spacing-xxl) 0 var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-xl);
}

.footer-logo img {
    height: 50px;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--bg-white);
    transition: var(--transition-smooth);
}

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

.footer-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--bg-white);
    margin-bottom: var(--spacing-md);
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact i {
    color: var(--primary-color);
    margin-top: 4px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-map {
    width: 300px;
    height: 200px;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.footer-map iframe {
    width: 100%;
    height: 100%;
}

.footer-bottom {
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   Scroll to Top Button
   ============================================ */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    z-index: 999;
}

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

.scroll-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ============================================
   Utility Classes
   ============================================ */
.mt-40 {
    margin-top: 40px;
}

.mb-40 {
    margin-bottom: 40px;
}