/* ============================================
   Mobile First CSS - velaro-hubz.world
   ============================================ */

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

:root {
    /* Modern Color Palette */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --secondary-dark: #db2777;
    --accent: #10b981;
    --accent-dark: #059669;
    
    /* Dark Theme Base */
    --bg: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    /* Light Elements */
    --white: #ffffff;
    --card-bg: rgba(30, 41, 59, 0.8);
    --card-bg-hover: rgba(51, 65, 85, 0.9);
    
    /* Shadows & Effects */
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 20px 25px -5px rgba(99, 102, 241, 0.3), 0 10px 10px -5px rgba(99, 102, 241, 0.2);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.4);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text);
    background: linear-gradient(135deg, var(--bg) 0%, #1e293b 50%, var(--bg-secondary) 100%);
    background-attachment: fixed;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ============================================
   Header & Navigation
   ============================================ */

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 20px rgba(99, 102, 241, 0.1);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    position: relative;
    gap: 1rem;
    flex-wrap: nowrap;
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
    flex-shrink: 0;
    min-width: 0;
}

.logo-img {
    width: 48px;
    height: 48px;
    transition: var(--transition);
    filter: drop-shadow(0 2px 8px rgba(99, 102, 241, 0.3));
    flex-shrink: 0;
}

.logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.logo:hover .logo-img {
    transform: scale(1.1) rotate(-5deg);
    filter: drop-shadow(0 4px 16px rgba(99, 102, 241, 0.6));
}

.logo:hover .logo-text {
    filter: brightness(1.2);
}

.nav-menu {
    display: none;
    list-style: none;
    gap: 2rem;
    align-items: center;
    flex: 1;
    justify-content: center;
    min-width: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-link:hover {
    color: var(--text);
}

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

.nav-cta {
    display: none;
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    white-space: nowrap;
    flex-shrink: 0;
}


.burger-menu {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.burger-menu span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
    border-radius: 2px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
}

.burger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.burger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu */
.nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(30, 41, 59, 0.98);
    backdrop-filter: blur(20px);
    padding: 2rem 1rem;
    box-shadow: var(--shadow-lg);
    gap: 1.5rem;
    margin-top: 1rem;
    border-top: 1px solid rgba(99, 102, 241, 0.2);
}

.nav-cta-mobile {
    margin-top: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(99, 102, 241, 0.2);
}

.nav-cta-mobile .btn {
    width: 100%;
    justify-content: center;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: var(--transition);
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(236, 72, 153, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

.btn-secondary:hover {
    background: linear-gradient(135deg, #f472b6 0%, var(--secondary) 100%);
    transform: translateY(-3px);
    box-shadow: 0 0 25px rgba(236, 72, 153, 0.5);
}

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

/* ============================================
   Hero Section
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 6rem 0 4rem;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(135deg, rgba(30, 27, 75, 0.9) 0%, rgba(49, 46, 129, 0.85) 25%, rgba(76, 29, 149, 0.85) 50%, rgba(124, 58, 237, 0.85) 75%, rgba(99, 102, 241, 0.9) 100%),
        url('../images/hero-bg.jpg') center/cover no-repeat;
    z-index: -2;
    animation: gradientShift 15s ease infinite;
    background-size: 200% 200%, cover;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(16, 185, 129, 0.2) 0%, transparent 50%);
    opacity: 0.8;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.4;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(15, 23, 42, 0.6) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--white);
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.badge:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.hero-title {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--secondary) 0%, #f472b6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(236, 72, 153, 0.5);
}

.hero-subtitle {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-note {
    font-size: 0.875rem;
    opacity: 0.9;
    font-style: italic;
}

/* ============================================
   Sections
   ============================================ */

section {
    padding: 4rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Features Section
   ============================================ */

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    transform: scaleX(0);
    transition: var(--transition);
}

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

.feature-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-hover);
    background: var(--card-bg-hover);
    border-color: rgba(99, 102, 241, 0.4);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   Services Section
   ============================================ */

.services {
    background: transparent;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.service-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: var(--transition);
    position: relative;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
    transform: scaleX(0);
    transition: var(--transition);
}

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

.service-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-hover);
    border-color: rgba(99, 102, 241, 0.4);
}

.service-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: var(--transition);
    filter: brightness(0.9) contrast(1.1);
}

.service-card:hover img {
    filter: brightness(1) contrast(1.15);
    transform: scale(1.05);
}

.service-content {
    padding: 1.5rem;
}

.service-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

.service-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* ============================================
   Reviews Section
   ============================================ */

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.review-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: var(--transition);
    position: relative;
}

.review-card::before {
    content: '"';
    position: absolute;
    top: 1rem;
    left: 1.5rem;
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.2;
    font-family: serif;
    line-height: 1;
}

.review-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(99, 102, 241, 0.4);
}

.review-stars {
    color: var(--secondary);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.review-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
    position: relative;
    z-index: 1;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.review-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(99, 102, 241, 0.3);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
    transition: var(--transition);
    flex-shrink: 0;
}

.review-card:hover .review-avatar {
    border-color: var(--primary);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    transform: scale(1.05);
}

.review-author-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.review-author-info strong {
    color: var(--text);
    font-weight: 600;
    font-size: 1rem;
}

.review-author-info span {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ============================================
   Contacts Section
   ============================================ */

.contacts {
    background: transparent;
}

.contacts-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 24px;
    height: 24px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.contact-item strong {
    display: block;
    color: var(--text);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-secondary);
}

/* Contact Form */
.contact-form {
    background: var(--card-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: var(--shadow);
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    background: rgba(15, 23, 42, 0.6);
    color: var(--text);
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2), 0 0 20px rgba(99, 102, 241, 0.3);
    background: rgba(15, 23, 42, 0.8);
}

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

/* Captcha Styles */
.captcha-group {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.captcha-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text);
    font-weight: 500;
    font-size: 0.9375rem;
}

.captcha-label span {
    background: rgba(99, 102, 241, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    font-weight: 600;
    color: var(--primary);
    font-size: 1rem;
    min-width: 120px;
    text-align: center;
    font-family: 'Courier New', monospace;
}

.captcha-group input {
    width: 100%;
    padding: 0.875rem 3rem 0.875rem 1rem;
    position: relative;
}

.captcha-group {
    position: relative;
}

.captcha-group > div {
    position: relative;
}

.captcha-refresh {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 8px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--primary);
    z-index: 1;
}

.captcha-refresh:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary);
    transform: rotate(180deg);
}

.captcha-refresh svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: linear-gradient(180deg, transparent 0%, rgba(15, 23, 42, 0.95) 100%);
    border-top: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--text);
    padding: 4rem 0 2rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.footer-logo-img {
    width: 48px;
    height: 48px;
    filter: drop-shadow(0 2px 8px rgba(99, 102, 241, 0.3));
    transition: var(--transition);
}

.footer-logo:hover .footer-logo-img {
    transform: scale(1.1) rotate(-5deg);
    filter: drop-shadow(0 4px 16px rgba(99, 102, 241, 0.6));
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
    color: var(--text);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-column p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--text);
    padding-left: 4px;
    text-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

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

.social-links a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    color: var(--text);
    transition: var(--transition);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.social-links a:hover {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
    border-color: transparent;
}

.social-links svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

/* ============================================
   Cookie Popup
   ============================================ */

.cookie-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--card-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.4);
    padding: 1.5rem;
    z-index: 2000;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-top: 1px solid rgba(99, 102, 241, 0.2);
}

.cookie-popup.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    text-align: center;
}

.cookie-content p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.cookie-content a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.cookie-content a:hover {
    text-decoration: underline;
}

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

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

/* ============================================
   Modal Windows
   ============================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 1rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: var(--transition);
}

.modal.active .modal-overlay {
    background: rgba(0, 0, 0, 0.8);
}

.modal-content {
    position: relative;
    background: var(--card-bg);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border-radius: 24px;
    padding: 2rem 1.5rem;
    max-width: 500px;
    width: 100%;
    max-height: 95vh;
    overflow-y: auto;
    z-index: 1;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
    border: 1px solid rgba(99, 102, 241, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(99, 102, 241, 0.2);
    margin: auto;
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-large {
    max-width: 700px;
}

.modal-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    font-size: 1.5rem;
    color: var(--text);
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
    line-height: 1;
    z-index: 10;
    flex-shrink: 0;
}

.modal-close:hover {
    background: var(--primary);
    color: var(--white);
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.modal-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding-right: 2.5rem;
    line-height: 1.3;
}

.modal-content > p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.modal-form {
    margin-top: 1.5rem;
}

.modal-text {
    color: var(--text-secondary);
    line-height: 1.8;
}

.modal-text h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-text h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.modal-text ul {
    margin-left: 1.5rem;
    margin-top: 0.75rem;
    margin-bottom: 1rem;
}

.modal-text li {
    margin-bottom: 0.5rem;
}

.modal-form label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.modal-form label input[type="checkbox"] {
    width: auto;
}

.modal-form label a {
    color: var(--primary);
    text-decoration: none;
}

.modal-form label a:hover {
    text-decoration: underline;
}

/* ============================================
   Mobile Improvements (до 767px)
   ============================================ */

@media (max-width: 767px) {
    .container {
        padding: 0 1rem;
    }

    .nav-cta {
        display: none !important;
    }

    .hero {
        min-height: 70vh;
        padding: 3rem 0;
    }

    .hero-title {
        font-size: 1.75rem;
        line-height: 1.2;
    }

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

    .hero-cta {
        gap: 0.75rem;
    }

    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
        width: 100%;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

    .feature-card,
    .service-card,
    .review-card {
        padding: 1.5rem;
    }

    .service-card img {
        height: 200px;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .modal {
        padding: 0;
        align-items: flex-end;
    }

    .modal-content {
        padding: 1.5rem 1.25rem;
        border-radius: 24px 24px 0 0;
        max-height: 90vh;
        margin: 0;
        width: 100%;
        max-width: 100%;
        transform: translateY(100%);
    }

    .modal.active .modal-content {
        transform: translateY(0) scale(1);
    }

    .modal-content h2 {
        font-size: 1.375rem;
        padding-right: 2rem;
    }

    .modal-large {
        padding: 1.5rem 1.25rem;
    }

    .modal-close {
        top: 0.5rem;
        right: 0.5rem;
    }

    .footer-grid {
        gap: 2rem;
    }

    .logo-text {
        font-size: 1rem;
    }

    .logo-img {
        width: 40px;
        height: 40px;
    }

    .nav {
        padding: 0.75rem 0;
    }

    section {
        padding: 3rem 0;
    }

    .form-group input,
    .form-group textarea {
        font-size: 16px; /* Prevent zoom on iOS */
    }
}

/* ============================================
   Tablet Styles (768px+)
   ============================================ */

@media (min-width: 768px) {
    .container {
        padding: 0 2rem;
    }

    .logo-img {
        width: 52px;
        height: 52px;
    }

    .nav-menu {
        display: flex;
        gap: 1.25rem;
        flex-wrap: wrap;
    }

    .nav-link {
        font-size: 0.9375rem;
        padding: 0.5rem 0;
    }

    .nav-cta {
        display: inline-block;
        font-size: 0.8125rem;
        padding: 0.5rem 0.875rem;
        margin-left: auto;
        white-space: nowrap;
    }

    .nav-cta-mobile {
        display: none;
    }

    .burger-menu {
        display: none;
    }

    .nav-menu.active {
        display: flex;
        flex-direction: row;
        position: static;
        background: none;
        box-shadow: none;
        padding: 0;
        margin: 0;
    }

    .hero {
        min-height: 80vh;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-cta {
        flex-direction: row;
        justify-content: center;
        gap: 1rem;
    }

    .section-title {
        font-size: 2.25rem;
    }

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

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

    .service-card img {
        height: 280px;
    }

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

    .contacts-wrapper {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }

    .contact-form {
        padding: 2rem;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }

    .cookie-content {
        flex-direction: row;
        text-align: left;
        justify-content: space-between;
    }

    .cookie-buttons {
        flex-wrap: nowrap;
    }

    .modal-content {
        padding: 2rem;
        max-width: 550px;
    }

    .modal-content h2 {
        font-size: 1.625rem;
    }

    .modal-large {
        max-width: 650px;
        padding: 2.5rem;
    }
}

/* ============================================
   Desktop Styles (1024px+)
   ============================================ */

@media (min-width: 1024px) {
    .nav-menu {
        gap: 2rem;
    }

    .nav-link {
        font-size: 1rem;
    }

    .nav-cta {
        display: inline-block;
        font-size: 0.875rem;
        padding: 0.5rem 1rem;
        white-space: nowrap;
    }

    .hero {
        min-height: 90vh;
    }

    .hero-title {
        font-size: 3.5rem;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .section-subtitle {
        font-size: 1.25rem;
    }

    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2.5rem;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }

    .service-card img {
        height: 300px;
    }

    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2.5rem;
    }

    .contacts-wrapper {
        gap: 4rem;
    }

    .contact-form {
        padding: 2.5rem;
    }

    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 3rem;
    }

    section {
        padding: 6rem 0;
    }

    .modal-content {
        padding: 2.5rem;
        max-width: 600px;
    }

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

    .modal-large {
        max-width: 700px;
        padding: 3rem;
    }
}

/* ============================================
   Large Desktop Styles (1440px+)
   ============================================ */

@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }

    .hero-title {
        font-size: 4rem;
    }

    .section-title {
        font-size: 3rem;
    }
}

/* ============================================
   Animations
   ============================================ */

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

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

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, #f472b6 100%);
}

/* Selection styling */
::selection {
    background: rgba(99, 102, 241, 0.3);
    color: var(--text);
}

::-moz-selection {
    background: rgba(99, 102, 241, 0.3);
    color: var(--text);
}

/* Loading states */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Performance optimizations */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}