/* 
   Erdemli Havalandırma Sistemleri
   Custom Stylesheet (Premium & Responsive Design)
*/

/* --- Variables & Core Settings --- */
:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --accent: #0ea5e9;
    --accent-dark: #0284c7;
    --accent-gradient: linear-gradient(135deg, #0284c7, #0d9488);
    --secondary-gradient: linear-gradient(135deg, #0f172a, #1e293b);
    --whatsapp: #25D366;
    --phone: #0284c7;
    --text-main: #334155;
    --text-dark: #0f172a;
    --text-light: #64748b;
    --text-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --bg-dark-card: rgba(30, 41, 59, 0.7);
    --border-color: #e2e8f0;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.3;
}

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

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

ul {
    list-style: none;
}

/* --- Utility Components --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

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

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3.5rem auto;
}

.section-header span {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.8rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    gap: 0.5rem;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--text-white);
    box-shadow: 0 4px 15px rgba(2, 132, 199, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.6);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--accent-gradient);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(2, 132, 199, 0.3);
}

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

.btn-white:hover {
    background-color: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

/* --- Header & Top Bar --- */
.top-bar {
    background-color: var(--primary);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.top-info {
    display: flex;
    gap: 1.5rem;
}

.top-info a, .top-info span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.top-info a:hover {
    color: var(--accent);
}

.top-social {
    display: flex;
    gap: 1rem;
}

.top-social a {
    color: rgba(255, 255, 255, 0.8);
}

.top-social a:hover {
    color: var(--accent);
}

.main-header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.main-header.scrolled {
    padding: 0.6rem 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 50px;
    width: 50px;
    object-fit: contain;
    border-radius: 50%;
    border: 2px solid var(--accent);
    background-color: var(--bg-white);
    padding: 1px;
    transition: var(--transition);
}

.logo:hover .logo-img {
    transform: scale(1.05) rotate(5deg);
}

.logo-icon {
    background: var(--accent-gradient);
    color: var(--text-white);
    width: 45px;
    height: 45px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 10px rgba(2, 132, 199, 0.3);
    animation: rotateWind 8s linear infinite;
}

@keyframes rotateWind {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

.brand-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
    letter-spacing: 1px;
}

.brand-sub {
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-light);
    letter-spacing: 1px;
}

.logo-light .brand-name {
    color: var(--text-white);
}

.logo-light .brand-sub {
    color: rgba(255, 255, 255, 0.6);
}

.desktop-nav ul {
    display: flex;
    gap: 2rem;
}

.desktop-nav a {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
    position: relative;
    padding: 0.5rem 0;
}

.desktop-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent-gradient);
    transition: var(--transition);
    border-radius: 2px;
}

.desktop-nav a:hover, 
.desktop-nav a.active {
    color: var(--accent);
}

.desktop-nav a:hover::after,
.desktop-nav a.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 101;
}

.mobile-menu-toggle .bar {
    width: 100%;
    height: 3px;
    background-color: var(--primary);
    border-radius: 10px;
    transition: var(--transition);
}

/* --- Mobile Navigation Drawer --- */
.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: var(--bg-white);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    transition: var(--transition-slow);
}

.mobile-nav-drawer.open {
    right: 0;
}

.drawer-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.drawer-close {
    font-size: 1.5rem;
    background: transparent;
    border: none;
    color: var(--primary);
    cursor: pointer;
}

.drawer-body {
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: space-between;
}

.mobile-nav ul {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-nav a {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mobile-nav a:hover, 
.mobile-nav a.active {
    color: var(--accent);
}

.drawer-contact {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.drawer-contact h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.05rem;
}

.contact-link i {
    color: var(--accent);
}

.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.drawer-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    background: var(--secondary-gradient);
    color: var(--text-white);
    overflow: hidden;
    padding: 7rem 0;
    display: flex;
    align-items: center;
    min-height: 80vh;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.15;
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.shape {
    position: absolute;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.shape-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -100px;
}

.shape-2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -100px;
}

.hero-grid {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: var(--text-white);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-content h1 span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-actions-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 0.25rem;
}

.stat-item p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
}

.hero-image-wrapper {
    position: relative;
}

.hero-image-wrapper img {
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-badge {
    position: absolute;
    bottom: 20px;
    left: -20px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 1.5rem;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-lg);
    animation: bounceBadge 3s ease-in-out infinite;
}

@keyframes bounceBadge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.badge-icon {
    background: var(--accent-gradient);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.badge-text span {
    display: block;
}

.badge-title {
    font-weight: 700;
    font-size: 0.95rem;
}

.badge-sub {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
}

/* --- Services Showcase --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-white);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

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

.service-card-icon {
    width: 65px;
    height: 65px;
    background: rgba(14, 165, 233, 0.1);
    color: var(--accent);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.75rem;
    transition: var(--transition);
}

.service-card:hover .service-card-icon {
    background: var(--accent-gradient);
    color: var(--text-white);
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.service-card-link {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-dark);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.service-card-link i {
    font-size: 0.8rem;
    transition: var(--transition);
}

.service-card:hover .service-card-link {
    color: var(--accent);
}

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

/* --- Features / Why Choose Us --- */
.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.features-image-wrapper {
    position: relative;
}

.features-image-wrapper img {
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}

.features-experience-box {
    position: absolute;
    top: -30px;
    right: -30px;
    background: var(--accent-gradient);
    color: var(--text-white);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    max-width: 170px;
}

.features-experience-box h4 {
    font-size: 3rem;
    line-height: 1;
    margin-bottom: 0.25rem;
    color: var(--text-white);
}

.features-experience-box p {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
}

.features-content h2 {
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
}

.features-content > p {
    color: var(--text-light);
    margin-bottom: 2.5rem;
}

.feature-list-item {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background-color: var(--bg-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--accent);
    flex-shrink: 0;
    border: 1px solid var(--border-color);
}

.feature-info h4 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.feature-info p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* --- Call To Action (CTA) --- */
.cta-section {
    background: var(--secondary-gradient);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
    text-align: center;
    padding: 6rem 0;
}

.cta-section .shape {
    opacity: 0.15;
}

.cta-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.75rem;
    color: var(--text-white);
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2.5rem;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.cta-phone-info {
    margin-top: 2.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
}

.cta-phone-info i {
    color: var(--accent);
    animation: pulseIcon 1.5s infinite;
}

@keyframes pulseIcon {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* --- About Page (Hakkımızda) --- */
.about-intro-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.about-intro-content h2 {
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
}

.about-intro-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.value-card {
    background-color: var(--bg-light);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.value-card:hover {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.value-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1.5rem auto;
}

.value-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.value-card p {
    font-size: 0.95rem;
    color: var(--text-light);
}

/* --- Contact Page (İletişim) --- */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
}

.contact-details-box {
    background: var(--secondary-gradient);
    color: var(--text-white);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-details-box h2 {
    color: var(--text-white);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-details-box > p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2.5rem;
}

.contact-info-block {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 2.25rem;
}

.contact-info-block-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-info-block-text h4 {
    color: var(--text-white);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.contact-info-block-text p, .contact-info-block-text a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.contact-info-block-text a:hover {
    color: var(--accent);
}

.contact-form-container {
    background-color: var(--bg-white);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.contact-form-container h3 {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.contact-form-container p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 0.85rem 1.2rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-light);
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
    color: var(--text-dark);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    background-color: var(--bg-white);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.15);
}

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

.form-feedback {
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    display: none;
    font-weight: 500;
}

.form-feedback.success {
    display: block;
    background-color: rgba(37, 211, 102, 0.1);
    color: #15803d;
    border: 1px solid rgba(37, 211, 102, 0.2);
}

.form-feedback.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.1);
    color: #b91c1c;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.map-section {
    line-height: 0;
}

.map-wrapper {
    height: 450px;
    position: relative;
    background-color: var(--bg-light);
    overflow: hidden;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.9)), url('/images/hero_bg.png') center/cover;
    text-align: center;
    padding: 2rem;
}

.map-placeholder i {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.map-placeholder h3 {
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.map-placeholder p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

/* --- Footer --- */
.main-footer {
    background-color: var(--primary);
    color: rgba(255, 255, 255, 0.75);
    padding: 5rem 0 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.8fr 0.9fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-col h3 {
    color: var(--text-white);
    font-size: 1.2rem;
    margin-bottom: 1.75rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.brand-col .logo {
    margin-bottom: 1.5rem;
}

.footer-desc {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.75rem;
}

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

.social-links a {
    width: 38px;
    height: 38px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
}

.social-links a:hover {
    background: var(--accent-gradient);
    border-color: transparent;
    transform: translateY(-3px);
}

.footer-links li {
    margin-bottom: 0.85rem;
}

.footer-links a {
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a i {
    font-size: 0.7rem;
    opacity: 0.5;
    transition: var(--transition);
}

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

.footer-links a:hover i {
    transform: translateX(3px);
    opacity: 1;
    color: var(--accent);
}

.contact-info-list li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.contact-info-list i {
    color: var(--accent);
    margin-top: 0.25rem;
}

.contact-info-list a:hover {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2rem 0;
    font-size: 0.9rem;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.developer {
    color: rgba(255, 255, 255, 0.4);
}

/* --- Floating Action Buttons (FABs) --- */
.floating-contact {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 999;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.75rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    border: none;
    outline: none;
}

.btn-whatsapp {
    background-color: var(--whatsapp);
    animation: pulseWhatsapp 2s infinite;
}

.btn-whatsapp:hover {
    transform: scale(1.1) rotate(10deg);
    background-color: #20ba5a;
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.4);
}

.btn-call {
    background-color: var(--phone);
    animation: pulseCall 2s infinite 1s; /* delayed pulse */
}

.btn-call:hover {
    transform: scale(1.1) rotate(-10deg);
    background-color: var(--accent-dark);
    box-shadow: 0 12px 30px rgba(2, 132, 199, 0.4);
}

@keyframes pulseWhatsapp {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

@keyframes pulseCall {
    0% {
        box-shadow: 0 0 0 0 rgba(2, 132, 199, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(2, 132, 199, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(2, 132, 199, 0);
    }
}

/* --- Responsive Adaptations (Mobile Optimization) --- */

/* Medium Devices (Tablets, 992px and down) */
@media (max-width: 992px) {
    html {
        font-size: 15px;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions-group {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image-wrapper {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .hero-badge {
        left: 0;
        bottom: -10px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .features-image-wrapper {
        max-width: 500px;
        margin: 0 auto;
        order: 2;
    }
    
    .about-intro-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

/* Small Devices (Landscape Phones & Small Tablets, 768px and down) */
@media (max-width: 768px) {
    .top-bar {
        display: none; /* Hide top contact bar on mobile for cleaner look and speed */
    }
    
    .desktop-nav {
        display: none; /* Hide regular navigation */
    }
    
    .mobile-menu-toggle {
        display: flex; /* Show mobile hamburger toggle */
    }
    
    .btn-nav {
        display: none; /* Hide call to action inside nav for clean header */
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .section-header h2 {
        font-size: 1.85rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .value-card {
        padding: 2rem 1.5rem;
    }
    
    .contact-details-box {
        padding: 2rem;
    }
    
    .contact-form-container {
        padding: 2rem;
    }
    
    .map-wrapper {
        height: 350px;
    }
    
    .floating-contact {
        bottom: 1.5rem;
        right: 1.5rem;
        gap: 0.75rem;
    }
    
    .floating-btn {
        width: 52px;
        height: 52px;
        font-size: 1.5rem;
    }
}

/* Extra Small Devices (Portrait Phones, 480px and down) */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .hero-content h1 {
        font-size: 2.15rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }
    
    .hero-stats .stat-item {
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        padding-bottom: 1rem;
        width: 100%;
    }
    
    .hero-stats .stat-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}