/* ===================================
   KERON Transport GmbH - CSS Styles
   Modern, Professional Design
   =================================== */

/* === CSS Variables === */
:root {
    --primary-color: #1a73e8;
    --primary-dark: #0d47a1;
    --secondary-color: #ff6b35;
    --accent-color: #4caf50;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --text-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    scroll-behavior: auto; /* Let JS handle smooth scrolling */
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Page load animation */
body:not(.loaded) {
    overflow: hidden;
}

body:not(.loaded) .hero-content {
    opacity: 0;
    transform: translateY(20px);
}

body.loaded .hero-content {
    animation: fadeInUp 1s ease-out forwards;
    animation-delay: 0.2s;
}

/* Smooth page transitions */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-color);
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.page-transition.active {
    opacity: 1;
    pointer-events: all;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: 1rem;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    will-change: transform;
    backface-visibility: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-2px) translateZ(0);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateZ(0);
}

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

.btn-white:hover {
    transform: translateY(-2px) translateZ(0);
    box-shadow: var(--shadow-lg);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* === Section Styles === */
section {
    padding: 5rem 0;
}

.section-header {
    max-width: 800px;
    margin-bottom: 3rem;
}

.section-header.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-label {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.1), rgba(13, 71, 161, 0.1));
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
    margin-bottom: 1rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* ===============================
   NAVIGATION
   =============================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 2rem;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.logo i {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-call {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    transition: var(--transition);
}

.btn-call:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition);
    border-radius: 2px;
}

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

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

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

/* ===============================
   HERO SECTION
   =============================== */
/* ===============================
   HERO SECTION - Modern Design
   =============================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding-top: 100px;
    padding-bottom: 60px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.08) 0%, rgba(26, 115, 232, 0.02) 100%);
    border-radius: 50%;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(26, 115, 232, 0.1);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-badge i {
    font-size: 1rem;
}

.hero-title {
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    line-height: 1.15;
}

.hero-title .highlight {
    color: var(--primary-color);
    display: inline;
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--text-light);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

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

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(26, 115, 232, 0.05);
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.hero-stat {
    display: flex;
    flex-direction: column;
}

.hero-stat .stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.hero-stat .stat-text {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* Hero Image */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 550px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Floating Cards */
.hero-floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-dark);
    animation: float 3s ease-in-out infinite;
}

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

.hero-floating-card.card-1 {
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.hero-floating-card.card-2 {
    bottom: 15%;
    right: -5%;
    animation-delay: 1.5s;
}

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

/* Hero Scroll Button */
.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    color: var(--primary-color);
    background: white;
    box-shadow: var(--shadow-md);
    animation: bounce 2s infinite;
}

.hero-scroll a:hover {
    background: var(--primary-color);
    color: white;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-8px);
    }
    60% {
        transform: translateY(-4px);
    }
}

/* ===============================
   SERVICES SECTION
   =============================== */
.services {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    position: relative;
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid transparent;
    will-change: transform;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.service-card:hover {
    transform: translateY(-10px) translateZ(0);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.05), rgba(13, 71, 161, 0.05));
}

.service-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--secondary-color);
    color: var(--text-white);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.service-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-white);
    border-radius: var(--border-radius-sm);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

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

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

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

.service-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-light);
}

.service-features i {
    color: var(--accent-color);
    font-size: 0.875rem;
}

/* ===============================
   ABOUT SECTION
   =============================== */
.about {
    background: var(--bg-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content {
    max-width: 600px;
}

.about-content p {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.about-features-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: var(--border-radius-sm);
}

.about-feature i {
    color: var(--accent-color);
    font-size: 1.25rem;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.image-wrapper img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: var(--transition);
}

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

.image-overlay {
    position: absolute;
    inset: 0;
    background: rgba(26, 115, 232, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    cursor: pointer;
}

.image-wrapper:hover .image-overlay {
    opacity: 1;
}

.overlay-content {
    text-align: center;
    color: var(--text-white);
}

.overlay-content i {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.overlay-content span {
    display: block;
    font-size: 1.125rem;
    font-weight: 600;
}

.about-badge {
    position: absolute;
    bottom: -20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-white);
    padding: 1.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
}

.about-badge i {
    font-size: 2.5rem;
    color: var(--secondary-color);
}

.about-badge strong {
    display: block;
    font-size: 1.125rem;
}

.about-badge span {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ===============================
   WHY CHOOSE US SECTION
   =============================== */
.why-choose {
    background: var(--bg-white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

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

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

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-white);
    border-radius: 50%;
    font-size: 2rem;
    transition: var(--transition);
}

.benefit-card:hover .benefit-icon {
    transform: rotate(360deg);
}

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

.benefit-card p {
    color: var(--text-light);
}

/* ===============================
   COVERAGE SECTION
   =============================== */
.coverage {
    background: var(--bg-light);
}

.coverage-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.coverage-text h3 {
    margin: 2rem 0 1.5rem;
    font-size: 1.5rem;
}

.cities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.city-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-white);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: var(--transition);
}

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

.city-item i {
    color: var(--primary-color);
}

.coverage-info {
    margin-top: 2rem;
}

.info-box {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.1), rgba(13, 71, 161, 0.1));
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--primary-color);
}

.info-box i {
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.info-box p {
    margin: 0;
    color: var(--text-dark);
}

.coverage-map {
    position: sticky;
    top: 100px;
}

.map-placeholder {
    background: var(--bg-white);
    padding: 4rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    text-align: center;
    min-height: 500px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.map-placeholder i {
    font-size: 5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.map-placeholder h3 {
    margin-bottom: 1rem;
}

.map-placeholder p {
    color: var(--text-light);
}

/* ===============================
   PROCESS SECTION
   =============================== */
.process {
    background: var(--bg-white);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    align-items: start;
    position: relative;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.25rem;
    z-index: 2;
}

.step-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-white);
    border-radius: 50%;
    font-size: 2.5rem;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.step:hover .step-icon {
    transform: scale(1.1);
}

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

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

.step-connector {
    position: absolute;
    top: 50px;
    width: calc(25% - 60px);
    height: 2px;
    background: linear-gradient(to right, var(--primary-color), transparent);
}

.step-connector:nth-of-type(2) {
    left: calc(25% + 30px);
}

.step-connector:nth-of-type(4) {
    left: calc(50% + 30px);
}

.step-connector:nth-of-type(6) {
    left: calc(75% + 30px);
}

/* ===============================
   CTA SECTION
   =============================== */
.cta {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    color: var(--text-white);
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===============================
   CONTACT SECTION
   =============================== */
.contact {
    background: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h3 {
    margin-bottom: 1rem;
}

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

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-white);
    border-radius: var(--border-radius-sm);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--text-light);
    margin: 0;
}

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

.contact-item a:hover {
    text-decoration: underline;
}

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

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    color: var(--primary-color);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    border: 2px solid var(--border-color);
}

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

.contact-form-wrapper {
    background: var(--bg-white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    position: relative;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

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

.form-group.checkbox {
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
}

.form-group.checkbox input {
    width: auto;
    margin: 0;
}

.form-group.checkbox label {
    margin: 0;
    font-weight: 400;
}

.form-message {
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    margin-top: 1rem;
    display: none;
}

.form-message.success {
    background: rgba(76, 175, 80, 0.1);
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    display: block;
}

.form-message.error {
    background: rgba(244, 67, 54, 0.1);
    border: 2px solid #f44336;
    color: #f44336;
    display: block;
}

/* ===============================
   FOOTER
   =============================== */
.footer {
    background: var(--text-dark);
    color: var(--text-white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 2rem;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-col h4 {
    color: var(--text-white);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

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

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

.footer-col a:hover {
    color: var(--text-white);
    padding-left: 5px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.footer-badges {
    display: flex;
    gap: 2rem;
}

.footer-badges span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.footer-badges i {
    color: var(--accent-color);
}

/* ===============================
   SCROLL TO TOP BUTTON
   =============================== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 999;
}

.scroll-top.show {
    display: flex;
}

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

/* ===============================
   RESPONSIVE DESIGN
   =============================== */

/* Tablet */
@media (max-width: 1024px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        background: var(--bg-white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-md);
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    /* Hero Tablet */
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .hero-content {
        order: 2;
    }

    .hero-image {
        order: 1;
    }

    .hero-subtitle {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-floating-card.card-1 {
        left: 5%;
        top: 5%;
    }

    .hero-floating-card.card-2 {
        right: 5%;
        bottom: 10%;
    }

    .about-grid,
    .coverage-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image {
        order: -1;
    }

    .coverage-map {
        position: static;
    }

    .process-steps {
        grid-template-columns: 1fr 1fr;
    }

    .step-connector {
        display: none;
    }

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

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

/* Mobile */
@media (max-width: 768px) {
    section {
        padding: 3rem 0;
    }

    .hero {
        min-height: auto;
        padding-top: 100px;
        padding-bottom: 80px;
    }

    .hero-grid {
        gap: 2rem;
    }

    .hero-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
        padding: 0.875rem 1.5rem;
    }

    .hero-stats {
        flex-direction: row;
        justify-content: space-between;
        gap: 1rem;
    }

    .hero-stat .stat-value {
        font-size: 1.25rem;
    }

    .hero-stat .stat-text {
        font-size: 0.75rem;
    }

    .hero-image-wrapper {
        border-radius: 16px;
    }

    .hero-floating-card {
        padding: 0.75rem 1rem;
        font-size: 0.8rem;
    }

    .hero-floating-card.card-1 {
        left: -5px;
        top: 10%;
    }

    .hero-floating-card.card-2 {
        right: -5px;
        bottom: 15%;
    }

    .hero-floating-card i {
        font-size: 1rem;
    }

    .hero-scroll {
        display: none;
    }

    .services-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .process-steps {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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

    .cta-buttons .btn {
        width: 100%;
    }

    .contact-form-wrapper {
        padding: 1.5rem;
    }

    .btn-call span {
        display: none;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .nav-wrapper {
        padding: 0.75rem 0;
    }

    .logo span {
        font-size: 1.25rem;
    }

    .service-card,
    .benefit-card {
        padding: 2rem 1.5rem;
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out forwards;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out forwards;
}

/* Smooth transitions for all interactive elements */
button, a, input, select, textarea {
    transition: var(--transition);
}

/* Hardware acceleration for better performance */
.service-card,
.benefit-card,
.btn,
.nav-link,
.scroll-top {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Print styles */
@media print {
    .navbar,
    .hero-scroll,
    .scroll-top,
    .cta,
    .contact-form {
        display: none;
    }

    section {
        page-break-inside: avoid;
    }
}