@charset "UTF-8";
/* =====================================================
   SELITEC GT - Professional Software Development Company
   Modern, Clean & Professional Design
   Colors: White, Red (#E63946), Blue (#1D3557)
   ===================================================== */

/* =====================================================
   CSS Variables & Root Settings
   ===================================================== */
:root {
    /* Primary Colors */
    --primary-blue: #1D3557;
    --primary-blue-light: #457B9D;
    --primary-blue-dark: #0D1B2A;
    
    /* Accent Colors */
    --accent-red: #E63946;
    --accent-red-light: #FF6B6B;
    --accent-red-dark: #C1121F;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --off-white: #F8F9FA;
    --light-gray: #E9ECEF;
    --gray: #6C757D;
    --dark-gray: #343A40;
    --black: #212529;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-red-light) 100%);
    --gradient-hero: linear-gradient(135deg, var(--primary-blue-dark) 0%, var(--primary-blue) 50%, var(--primary-blue-light) 100%);
    
    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 20px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

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

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

/* =====================================================
   Utility Classes
   ===================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.section {
    padding: var(--section-padding);
}

.section-sm {
    padding: 60px 0;
}

.accent {
    color: var(--accent-red);
}

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

/* =====================================================
   Preloader
   ===================================================== */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-blue-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    position: relative;
}

.loader-inner {
    position: absolute;
    top: -3px;
    left: -3px;
    width: 60px;
    height: 60px;
    border: 3px solid transparent;
    border-top-color: var(--accent-red);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* =====================================================
   Navigation
   ===================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    padding: 15px 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar:not(.scrolled) .logo {
    color: var(--white);
}

.navbar.scrolled .logo {
    color: var(--primary-blue);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: var(--gradient-accent);
    border-radius: var(--radius-sm);
    color: var(--white);
}

.logo-img {
    width: 45px;
    height: 45px;
    border-radius: var(--radius-sm);
    object-fit: contain;
    flex-shrink: 0;
}

.logo-text .accent {
    color: var(--accent-red);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.navbar:not(.scrolled) .nav-link {
    color: rgba(255, 255, 255, 0.9);
}

.navbar.scrolled .nav-link {
    color: var(--dark-gray);
}

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

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

.nav-link:hover,
.nav-link.active {
    color: var(--accent-red);
}

.nav-btn {
    padding: 10px 25px !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition-normal);
}

.navbar.scrolled .nav-toggle span {
    background: var(--primary-blue);
}

/* =====================================================
   Buttons
   ===================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 30px;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-xl);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--white);
    border-color: var(--accent-red);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(230, 57, 70, 0.4);
}

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

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

.btn-lg {
    padding: 16px 35px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn i {
    font-size: 0.9em;
    transition: var(--transition-normal);
}

.btn:hover i {
    transform: translateX(5px);
}

/* =====================================================
   Hero Section
   ===================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-red);
    top: -200px;
    right: -200px;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--primary-blue-light);
    bottom: -100px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--white);
    top: 50%;
    left: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--white);
    margin-bottom: 25px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 35px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 15px;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

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

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

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Code Window */
.code-window {
    background: var(--primary-blue-dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.window-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.3);
}

.window-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.window-dot.red { background: #FF5F56; }
.window-dot.yellow { background: #FFBD2E; }
.window-dot.green { background: #27C93F; }

.window-title {
    margin-left: auto;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

.window-body {
    padding: 25px;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
}

.window-body code {
    color: var(--white);
}

.window-body .keyword { color: #FF79C6; }
.window-body .variable { color: #8BE9FD; }
.window-body .property { color: #50FA7B; }
.window-body .string { color: #F1FA8C; }
.window-body .function { color: #BD93F9; }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}

.scroll-indicator a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.6);
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--accent-red);
    border-radius: 2px;
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.5; transform: translateX(-50%) translateY(10px); }
}

.scroll-text {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* =====================================================
   Section Headers
   ===================================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(230, 57, 70, 0.1);
    color: var(--accent-red);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    margin-bottom: 15px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

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

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

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

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

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

.service-card.featured {
    background: var(--gradient-primary);
    color: var(--white);
}

.service-card.featured::before {
    background: var(--gradient-accent);
    transform: scaleX(1);
}

.service-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 5px 15px;
    background: var(--accent-red);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
}

.service-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(29, 53, 87, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: 25px;
    font-size: 1.8rem;
    color: var(--primary-blue);
    transition: var(--transition-normal);
}

.service-card.featured .service-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

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

.service-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-blue);
}

.service-card.featured .service-title {
    color: var(--white);
}

.service-desc {
    color: var(--gray);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.service-card.featured .service-desc {
    color: rgba(255, 255, 255, 0.8);
}

.service-features {
    margin-bottom: 25px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--dark-gray);
}

.service-card.featured .service-features li {
    color: rgba(255, 255, 255, 0.9);
}

.service-features i {
    color: var(--accent-red);
    font-size: 0.8rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--accent-red);
    font-size: 0.95rem;
}

.service-card.featured .service-link {
    color: var(--white);
}

.service-link:hover {
    gap: 15px;
}

/* =====================================================
   About Section
   ===================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content .section-badge,
.about-content .section-title {
    text-align: left;
}

.about-text {
    color: var(--gray);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.about-features {
    margin: 35px 0;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(230, 57, 70, 0.1);
    border-radius: var(--radius-sm);
    color: var(--accent-red);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.feature-content p {
    color: var(--gray);
    font-size: 0.9rem;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
}

.about-img-placeholder {
    width: 100%;
    height: 450px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.about-img-placeholder i {
    font-size: 5rem;
    margin-bottom: 20px;
    opacity: 0.8;
}

.about-img-placeholder span {
    font-size: 1.2rem;
    font-weight: 500;
}

.experience-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 150px;
    height: 150px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.exp-number {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

.exp-text {
    font-size: 0.75rem;
    text-align: center;
    max-width: 80px;
}

/* =====================================================
   Technology Stack
   ===================================================== */
.tech-stack {
    background: var(--primary-blue);
}

.tech-stack .section-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.tech-stack .section-title {
    color: var(--white);
}

.tech-stack .section-title .accent {
    color: var(--accent-red);
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-normal);
    cursor: default;
}

.tech-item i {
    font-size: 2.5rem;
    transition: var(--transition-normal);
}

.tech-item span {
    font-size: 0.8rem;
}

.tech-item:hover {
    color: var(--white);
    transform: translateY(-5px);
}

.tech-item:hover i {
    color: var(--accent-red);
}

/* =====================================================
   Clients Section
   ===================================================== */
.clients {
    background: var(--off-white);
}

.clients-slider {
    overflow: hidden;
    margin-bottom: 60px;
}

.clients-track {
    display: flex;
    animation: slide 30s linear infinite;
}

@keyframes slide {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.client-logo {
    flex: 0 0 200px;
    padding: 20px;
}

.logo-placeholder {
    height: 100px;
    background: var(--white);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.logo-placeholder i {
    font-size: 2rem;
    margin-bottom: 10px;
}

.logo-placeholder span {
    font-size: 0.8rem;
}

.client-logo-img {
    max-width: 100%;
    max-height: 70px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.logo-placeholder:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
    color: var(--primary-blue);
}

/* Testimonials */
.testimonials {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.testimonial-card {
    display: none;
}

.testimonial-card.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.testimonial-content {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.quote-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    border-radius: 50%;
    color: var(--white);
    margin: 0 auto 25px;
    font-size: 1.2rem;
}

.testimonial-text {
    font-size: 1.1rem;
    color: var(--dark-gray);
    line-height: 1.8;
    margin-bottom: 30px;
    font-style: italic;
}

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

.author-avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.author-info {
    text-align: left;
}

.author-info h4 {
    font-weight: 600;
    color: var(--primary-blue);
}

.author-info span {
    font-size: 0.85rem;
    color: var(--gray);
}

.testimonial-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.testimonial-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--white);
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.testimonial-btn:hover {
    background: var(--gradient-accent);
    color: var(--white);
    transform: scale(1.1);
}

.testimonial-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--light-gray);
    cursor: pointer;
    transition: var(--transition-normal);
}

.dot.active {
    background: var(--accent-red);
    transform: scale(1.2);
}

/* =====================================================
   Contact Section
   ===================================================== */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: var(--off-white);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.info-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.info-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-content h4 {
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.info-content p,
.info-content a {
    color: var(--gray);
    font-size: 0.95rem;
}

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

.social-links {
    margin-top: 20px;
}

.social-links h4 {
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--off-white);
    border-radius: 50%;
    color: var(--primary-blue);
    font-size: 1.1rem;
    transition: var(--transition-normal);
}

.social-icon:hover {
    background: var(--gradient-accent);
    color: var(--white);
    transform: translateY(-5px);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--off-white);
    padding: 40px;
    border-radius: var(--radius-lg);
}

.form-header {
    margin-bottom: 30px;
}

.form-header h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.form-header p {
    color: var(--gray);
    font-size: 0.95rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--primary-blue);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 20px;
    padding-left: 45px;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-sm);
    background: var(--white);
    color: var(--dark-gray);
    transition: var(--transition-normal);
}

.form-group textarea {
    padding-left: 20px;
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    cursor: pointer;
    appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-red);
    box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.1);
}

.input-icon {
    position: absolute;
    left: 15px;
    top: 42px;
    color: var(--gray);
    pointer-events: none;
}

.checkbox-group {
    margin-bottom: 25px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--gray);
}

.checkbox-label input {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--light-gray);
    border-radius: 4px;
    flex-shrink: 0;
    position: relative;
    transition: var(--transition-normal);
}

.checkbox-label input:checked + .checkmark {
    background: var(--accent-red);
    border-color: var(--accent-red);
}

.checkbox-label input:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--white);
    font-size: 0.8rem;
}

.checkbox-label a {
    color: var(--accent-red);
    text-decoration: underline;
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: var(--radius-sm);
    text-align: center;
    display: none;
}

.form-message.success {
    display: block;
    background: #D4EDDA;
    color: #155724;
}

.form-message.error {
    display: block;
    background: #F8D7DA;
    color: #721C24;
}

/* =====================================================
   Footer
   ===================================================== */
.footer {
    background: var(--primary-blue-dark);
    color: var(--white);
}

.footer-top {
    padding: 80px 0 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 50px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

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

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.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(--white);
    transition: var(--transition-normal);
}

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

.footer-links h4,
.footer-contact h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent-red);
}

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

.footer-links ul a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: var(--transition-normal);
}

.footer-links ul a:hover {
    color: var(--accent-red);
    padding-left: 10px;
}

.footer-contact ul li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-contact ul li i {
    color: var(--accent-red);
    margin-top: 4px;
}

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

.footer-contact ul a:hover {
    color: var(--accent-red);
}

.footer-bottom {
    padding: 25px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: 25px;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

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

/* =====================================================
   WhatsApp Floating Button
   ===================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    box-shadow: 0 5px 25px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-normal);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 5px 25px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 5px 35px rgba(37, 211, 102, 0.6); }
}

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

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--white);
    color: var(--dark-gray);
    padding: 10px 15px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: var(--transition-normal);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border: 4px solid transparent;
    border-left-color: var(--white);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* =====================================================
   Back to Top Button
   ===================================================== */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-normal);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--gradient-accent);
    transform: translateY(-5px);
}

/* =====================================================
   Responsive Design
   ===================================================== */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
    }
    
    .footer-contact {
        grid-column: span 3;
    }
}

@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtitle {
        margin: 0 auto 35px;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image {
        display: none;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .about-content .section-badge,
    .about-content .section-title {
        text-align: center;
    }
    
    .about-text {
        text-align: center;
    }
    
    .about-features {
        max-width: 500px;
        margin: 35px auto;
    }
    
    .about-content .btn {
        display: block;
        width: fit-content;
        margin: 0 auto;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-brand {
        grid-column: span 2;
    }
    
    .footer-contact {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 70px 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 30px 30px;
        gap: 20px;
        box-shadow: var(--shadow-xl);
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu .nav-link {
        color: var(--dark-gray) !important;
        font-size: 1.1rem;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 25px;
    }
    
    .stat-item {
        flex: 1 0 calc(33.333% - 20px);
        min-width: 100px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand,
    .footer-contact {
        grid-column: span 1;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-links h4::after,
    .footer-contact h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-contact ul li {
        justify-content: center;
    }
    
    .footer-bottom .container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .whatsapp-float {
        width: 55px;
        height: 55px;
        bottom: 20px;
        right: 20px;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 85px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.7rem;
    }
    
    .contact-form-wrapper {
        padding: 25px;
    }
    
    .testimonial-content {
        padding: 25px;
    }
    
    .experience-badge {
        width: 120px;
        height: 120px;
        bottom: -20px;
        right: -10px;
    }
    
    .exp-number {
        font-size: 2.5rem;
    }
}