/**
 * Çankırı Solar Enerji - Main Stylesheet
 * Modern, responsive and clean design for solar energy website
 */

/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --primary-color: #f59e0b;
    --primary-dark: #d97706;
    --primary-light: #fbbf24;
    --secondary-color: #3b82f6;
    --secondary-dark: #2563eb;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-color: #1f2937;
    --light-color: #f9fafb;
    --text-color: #374151;
    --text-light: #6b7280;
    --border-color: #e5e7eb;
    --white: #ffffff;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Borders */
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    --box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition: all 0.3s ease;
}

/* ===== 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-family);
    line-height: var(--line-height-base);
    color: var(--text-color);
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

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

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

ul {
    list-style: none;
}

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

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

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

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

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

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

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

/* ===== Modern Top Bar ===== */
.top-bar {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: var(--white);
    padding: 0.875rem 0;
    font-size: 0.875rem;
    border-bottom: 1px solid rgba(245, 158, 11, 0.1);
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.top-bar-item i {
    color: var(--primary-color);
    font-size: 0.875rem;
}

.top-bar-item a,
.top-bar-item span {
    color: rgba(255, 255, 255, 0.9);
    transition: var(--transition);
    font-weight: 500;
}

.top-bar-item a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(245, 158, 11, 0.3);
}

/* ===== Modern Header with Glassmorphism ===== */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(245, 158, 11, 0.1);
}

.header.scrolled {
    padding: 0.5rem 0;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.12);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    transition: padding 0.4s ease;
}

.header.scrolled .header-content {
    padding: 0.875rem 0;
}

/* Modern Logo */
.logo a {
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
    transition: var(--transition);
}

.header.scrolled .logo-icon {
    width: 42px;
    height: 42px;
}

.logo-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.header.scrolled .logo-icon i {
    font-size: 1.25rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--dark-color);
    letter-spacing: -0.5px;
}

.logo-subtitle {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: 0.5px;
}

.logo a:hover .logo-icon {
    transform: rotate(5deg) scale(1.05);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

/* Modern Navigation */
.nav-menu ul {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.nav-menu a {
    position: relative;
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.938rem;
    padding: 0.625rem 1.125rem;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.3px;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-color);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(245, 158, 11, 0.12));
}

.nav-menu a:hover::before {
    width: 70%;
}

.nav-menu a.active {
    color: var(--white);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.25);
}

.nav-menu a.active::before {
    display: none;
}

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

.btn-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-gradient:hover::before {
    left: 100%;
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(245, 158, 11, 0.4);
}

/* Modern Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    position: relative;
    z-index: 2001;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--dark-color);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

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

/* ===== Modern Mobile Menu ===== */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: linear-gradient(180deg, var(--white) 0%, #f9fafb 100%);
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
    z-index: 2000;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.2);
}

.mobile-menu-header span {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.mobile-menu-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 8px;
    color: var(--white);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
}

.mobile-menu-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.mobile-nav ul {
    padding: var(--spacing-lg);
}

.mobile-nav li {
    margin-bottom: 0.5rem;
}

.mobile-nav a {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem 1rem;
    color: var(--text-color);
    border-radius: 10px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.mobile-nav a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.mobile-nav a:hover::before {
    transform: scaleY(1);
}

.mobile-nav a:hover {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--primary-color);
    padding-left: 1.25rem;
}

.mobile-nav a i {
    width: 20px;
    text-align: center;
}

.mobile-nav a.mobile-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    margin-top: var(--spacing-lg);
    justify-content: center;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.mobile-nav a.mobile-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
    padding-left: 1rem;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 1999;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
    display: block;
    opacity: 1;
}

/* ===== Flash Messages ===== */
.flash-message {
    padding: 1rem 0;
    margin-bottom: 0;
    animation: slideDown 0.3s ease;
}

.flash-success {
    background-color: #d1fae5;
    border-left: 4px solid var(--success-color);
}

.flash-error {
    background-color: #fee2e2;
    border-left: 4px solid var(--danger-color);
}

.flash-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.flash-content i {
    font-size: 1.5rem;
}

.flash-success i {
    color: var(--success-color);
}

.flash-error i {
    color: var(--danger-color);
}

.flash-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.7;
    transition: var(--transition);
}

.flash-close:hover {
    opacity: 1;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    color: var(--white);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
    padding: var(--spacing-2xl) 0;
}

.hero-title {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.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-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
}

.hero-feature i {
    color: var(--primary-light);
    font-size: 1.25rem;
}

/* ===== Stats Section ===== */
.stats {
    background-color: var(--light-color);
    padding: var(--spacing-2xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

.stat-icon {
    font-size: 3rem;
    color: var(--primary-color);
}

.stat-number {
    font-size: 2.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.stat-label {
    color: var(--text-light);
    font-size: 1rem;
}

/* ===== Section Styles ===== */
.section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.section-subtitle {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--primary-color);
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-description {
    color: var(--text-light);
    font-size: 1.125rem;
}

.section-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

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

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

.service-card {
    padding: var(--spacing-xl);
    background-color: var(--white);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
}

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

.service-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

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

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

.service-features {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-color);
}

.service-features i {
    color: var(--success-color);
    margin-right: 0.5rem;
}

/* ===== Why Us Section ===== */
.why-us-section {
    background-color: var(--light-color);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.why-us-item {
    padding: var(--spacing-xl);
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

.why-us-item:hover {
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-5px);
}

.why-us-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.why-us-item h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.why-us-item p {
    color: var(--text-light);
}

/* ===== Gallery Section ===== */
.gallery-section {
    background-color: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

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

.gallery-image {
    position: relative;
    overflow: hidden;
    padding-top: 75%;
}

.gallery-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.9));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    padding: var(--spacing-lg);
    color: var(--white);
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover .gallery-image img {
    transform: scale(1.1);
}

.gallery-overlay h4 {
    color: var(--white);
    margin-bottom: 0.5rem;
}

.gallery-overlay p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-md);
}

/* ===== CTA Section ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

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

.cta-section .btn-secondary {
    background-color: var(--white);
    color: var(--primary-color);
}

.cta-section .btn-secondary:hover {
    background-color: var(--light-color);
    color: var(--primary-dark);
}

/* ===== Footer ===== */
.footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: var(--spacing-2xl) 0 0;
}

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

.footer-column h3,
.footer-column h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-column p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
}

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

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

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.footer-contact i {
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) 0;
}

.footer-bottom-content {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom-content p {
    margin-bottom: 0.5rem;
}

/* ===== Scroll to Top Button ===== */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--box-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

.scroll-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .services-grid,
    .why-us-grid,
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    /* Top Bar Responsive */
    .top-bar {
        font-size: 0.813rem;
        padding: 0.625rem 0;
    }

    .top-bar-content {
        flex-direction: column;
        gap: 0.75rem;
    }

    .top-bar-left {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
        text-align: center;
    }

    .top-bar-item {
        justify-content: center;
    }

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

    /* Header Responsive */
    .header-content {
        padding: 1rem 0;
    }

    .header.scrolled .header-content {
        padding: 0.75rem 0;
    }

    .logo-icon {
        width: 42px;
        height: 42px;
    }

    .logo-icon i {
        font-size: 1.25rem;
    }

    .logo-title {
        font-size: 1.125rem;
    }

    .logo-subtitle {
        font-size: 0.75rem;
    }

    .nav-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .header-actions .btn {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-content h2 {
        font-size: 1.75rem;
    }

    .cta-content p {
        font-size: 1rem;
    }

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

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

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .services-grid,
    .why-us-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }

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