:root {
    --bg-dark: #0a0a0c;
    --bg-card: #141417;
    --bg-lighter: #1c1c21;
    --text-main: #f0f0f5;
    --text-muted: #9a9cae;
    --accent-orange: #ff5e00;
    --accent-glow: rgba(255, 94, 0, 0.3);
    --accent-blue: #00e1ff;
    
    --font-heading: 'Unbounded', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4, .logo {
    font-family: var(--font-heading);
    font-weight: 700;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

/* Typography Options */
.highlight {
    color: var(--accent-orange);
    text-shadow: 0 0 20px var(--accent-glow);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}
.section-title span {
    color: var(--accent-orange);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-orange) 0%, #d14d00 100%);
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-secondary {
    background: rgba(255,255,255,0.05);
    color: white;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

.btn-outline {
    border: 1px solid rgba(255,255,255,0.2);
    background: transparent;
    padding: 10px 24px;
}
.btn-outline:hover {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}
.header.scrolled {
    background: rgba(10, 10, 12, 0.9);
    backdrop-filter: blur(15px);
    padding: 15px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    letter-spacing: 1px;
    font-weight: 900;
}

.nav {
    display: flex;
    gap: 30px;
}
.nav a {
    font-size: 0.95rem;
    font-weight: 600;
    opacity: 0.8;
}
.nav a:hover {
    opacity: 1;
    color: var(--accent-orange);
}

.header-contact {
    display: flex;
    align-items: center;
    gap: 24px;
}
.phone {
    font-weight: 600;
    font-size: 1.1rem;
}
.phone:hover {
    color: var(--accent-orange);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('hero-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
    transform: scale(1.05); /* Avoid white edges */
}

/* Gradient Overlay for the background image */
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(110deg, rgba(10,10,12,0.95) 0%, rgba(10,10,12,0.7) 40%, rgba(10,10,12,0.4) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
}
.stat {
    display: flex;
    flex-direction: column;
}
.stat-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-orange);
}
.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Services */
.services {
    padding: 120px 0;
    background: var(--bg-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 20px;
    padding: 40px 30px;
    transition: var(--transition);
}
.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 94, 0, 0.3);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    background: var(--bg-lighter);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.gradient-card {
    background: linear-gradient(135deg, rgba(255, 94, 0, 0.1) 0%, rgba(20, 20, 23, 1) 100%);
    border: 1px solid rgba(255, 94, 0, 0.2);
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.gradient-card h3 {
    color: var(--accent-orange);
}
.arrow-link {
    margin-top: auto;
    font-weight: 600;
    display: inline-block;
}
.arrow-link:hover {
    color: var(--accent-orange);
    padding-left: 5px;
}

/* Advantages */
.advantages {
    padding: 100px 0;
    background: var(--bg-lighter);
}

.adv-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.adv-image {
    position: relative;
    height: 600px;
    border-radius: 30px;
    background: linear-gradient(45deg, #141417, #2a2a35);
    /* In a real scenario, this would have an image */
    overflow: hidden;
}
.adv-image::after {
    content: '';
    position: absolute;
    inset: 4px;
    border-radius: 26px;
    background-image: url('adv-bg.png');
    background-size: cover;
    background-position: left center;
    filter: brightness(0.7) contrast(1.2) grayscale(0.5);
}

.adv-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--accent-orange);
    color: white;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-weight: 700;
    font-family: var(--font-heading);
    z-index: 10;
    padding: 20px;
    box-shadow: 0 10px 30px var(--accent-glow);
    animation: pulse 3s infinite;
}

.adv-list {
    list-style: none;
}
.adv-list li {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}
.adv-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: rgba(255, 94, 0, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent-orange);
}
.adv-list h4 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}
.adv-list p {
    color: var(--text-muted);
}

/* CTA Section */
.cta-section {
    padding: 120px 0;
    background: var(--bg-dark);
}

.cta-container {
    background: linear-gradient(135deg, rgba(20, 20, 23, 0.8) 0%, rgba(20, 20, 23, 0.4) 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 30px;
    padding: 80px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-container::before {
    content: '';
    position: absolute;
    top: -50%; right: -50%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
}

.cta-container h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}
.cta-container p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}
.cta-btn {
    font-size: 1.2rem;
    padding: 18px 40px;
}

/* Footer */
.footer {
    background: var(--bg-card);
    padding: 80px 0 0 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-info p {
    color: var(--text-muted);
    margin-top: 20px;
    font-size: 0.9rem;
}

.footer-contacts h4, .footer-form h4 {
    font-size: 1.25rem;
    margin-bottom: 24px;
}

.footer-contacts ul {
    list-style: none;
}
.footer-contacts li {
    margin-bottom: 15px;
    color: var(--text-muted);
}
.footer-contacts a {
    color: white;
    font-weight: 600;
}
.footer-contacts a:hover {
    color: var(--accent-orange);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.contact-form input {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    color: white;
    font-family: var(--font-body);
    outline: none;
    transition: var(--transition);
}
.contact-form input:focus {
    border-color: var(--accent-orange);
    background: rgba(255,255,255,0.05);
}
.w-100 {
    width: 100%;
}
.form-disclaimer {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 24px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations */
@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 94, 0, 0.4); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 20px rgba(255, 94, 0, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 94, 0, 0); }
}

.animate-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.animate-up.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* Burger Menu Base */
.burger-menu {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 200;
}
.burger-menu span {
    width: 30px;
    height: 3px;
    background: #ffffff;
    transition: var(--transition);
    border-radius: 2px;
}
.header-action-mobile {
    display: none;
}

/* Responsive */
@media (max-width: 1250px) {
    .container { padding: 0 5%; }
    .burger-menu { display: flex; }
    .desktop-only { display: none !important; }
    
    .nav {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%; left: 0; width: 100%;
        background: rgba(10, 10, 12, 0.98);
        backdrop-filter: blur(20px);
        padding: 15px 5%;
        gap: 15px;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.4s ease-in-out;
        box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    }
    .nav.nav-open {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    .header-action-mobile {
        display: flex;
        flex-direction: column;
        gap: 15px;
        margin-top: 10px;
        padding-top: 15px;
        border-top: 1px solid rgba(255,255,255,0.1);
    }
    .burger-menu.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
    .burger-menu.active span:nth-child(2) { opacity: 0; }
    .burger-menu.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .adv-wrapper { grid-template-columns: 1fr; }
    .adv-image { height: 400px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    
    .hero h1 { font-size: 3.5rem; }
}

@media (max-width: 768px) {
    .container { padding: 0 24px; }
    .hero h1 { font-size: 2.8rem; }
    .hero-actions { flex-direction: column; gap: 15px; }
    .hero-stats { flex-wrap: wrap; gap: 20px; }
    .services-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .section-title { font-size: 2.2rem; margin-bottom: 2rem; }
    .cta-container { padding: 50px 30px; }
    .cta-container h2 { font-size: 2.2rem; }
}

@media (max-width: 500px) {
    .container { padding: 0 16px; }
    .hero h1 { font-size: 2.2rem; }
    .hero-subtitle { font-size: 1.1rem; margin-bottom: 30px; }
    .slogan { font-size: 1rem; text-align: center; white-space: normal; }
    .stat-value { font-size: 1.6rem; }
    .section-title { font-size: 1.8rem; }
    .adv-image { height: 250px; }
    .adv-badge { 
        width: 120px; height: 120px; 
        font-size: 0.9rem; 
        bottom: -20px; right: -20px; padding: 15px; 
    }
    .cta-container h2 { font-size: 1.8rem; }
    .cta-container { padding: 40px 20px; text-align: center; }
    .btn { font-size: 1rem; padding: 12px 20px; }
    .adv-list li { flex-direction: column; gap: 10px; }
    .header-contact { display: flex; flex-direction: column; gap: 10px; }
}

@media (max-width: 360px) {
    .hero h1 { font-size: 1.8rem; }
    .btn { font-size: 0.95rem; }
    .footer-info p { font-size: 0.85rem; }
}
