/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #00D4FF;
    --primary-dark: #0066FF;
    --accent: #00F0FF;
    --bg: #0A0E1A;
    --bg-light: #0F1525;
    --bg-card: rgba(15, 21, 37, 0.6);
    --text: #E8ECF4;
    --text-muted: #8B94A8;
    --border: rgba(0, 212, 255, 0.1);
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --gradient-1: linear-gradient(135deg, #00D4FF 0%, #0066FF 100%);
    --gradient-2: linear-gradient(135deg, #0066FF 0%, #00D4FF 100%);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.15);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== GLASS EFFECT ===== */
.glass {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(10, 14, 26, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text);
}

.logo-icon svg {
    display: block;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-accent {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-cta {
    background: var(--gradient-1);
    color: white !important;
    padding: 10px 24px;
    border-radius: 10px;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: orbFloat 10s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -100px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--primary-dark);
    bottom: -150px;
    left: -100px;
    animation-delay: -5s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-30px, 30px) scale(1.1); }
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-subtitle {
    display: block;
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: 400;
    color: var(--text-muted);
    margin-top: 16px;
    line-height: 1.4;
}

.hero-description {
    max-width: 640px;
    margin: 0 auto 40px;
    font-size: 1.15rem;
    color: var(--text-muted);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
    animation: fadeInUp 0.8s ease 0.3s both;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    font-family: inherit;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
}

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

.btn-secondary {
    background: var(--glass);
    color: var(--text);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
}

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

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    animation: fadeInUp 0.8s ease 0.4s both;
    flex-wrap: wrap;
}

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

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--glass-border);
}

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

/* ===== SECTIONS ===== */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.2;
    max-width: 700px;
    margin: 0 auto;
}

/* ===== ABOUT ===== */
.about {
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-light) 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.about-card {
    padding: 32px;
    transition: all 0.4s ease;
}

.about-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 212, 255, 0.2);
    box-shadow: var(--shadow-glow);
}

.about-icon {
    margin-bottom: 20px;
}

.about-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.about-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.about-text {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ===== FEATURES ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 212, 255, 0.2);
    box-shadow: var(--shadow-card);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    color: var(--primary);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ===== ADVANTAGES ===== */
.advantages {
    background: var(--bg-light);
}

.advantages-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 28px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all 0.4s ease;
}

.advantage-item:hover {
    border-color: rgba(0, 212, 255, 0.2);
    transform: translateX(8px);
}

.advantage-num {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    flex-shrink: 0;
    min-width: 48px;
}

.advantage-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.advantage-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== INDUSTRIES ===== */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.industry-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 36px 28px;
    text-align: center;
    transition: all 0.4s ease;
}

.industry-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 212, 255, 0.2);
    box-shadow: var(--shadow-glow);
}

.industry-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.industry-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.industry-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ===== INTEGRATION ===== */
.integration-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    padding: 64px;
    align-items: center;
}

.integration-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin: 16px 0 20px;
    line-height: 1.3;
}

.integration-content > p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

.integration-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.integration-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.integration-list li svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.integration-visual {
    position: relative;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.integration-lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.integration-node {
    position: absolute;
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    z-index: 2;
}

.integration-node.central {
    background: var(--gradient-1);
    color: white;
    border: none;
    font-size: 1rem;
    padding: 14px 28px;
    box-shadow: var(--shadow-glow);
}

.integration-node:nth-child(2) { top: 10%; left: 15%; }
.integration-node:nth-child(3) { top: 10%; right: 15%; }
.integration-node:nth-child(4) { top: 42%; left: 5%; }
.integration-node:nth-child(5) { top: 42%; right: 5%; }
.integration-node:nth-child(6) { bottom: 10%; left: 15%; }
.integration-node:nth-child(7) { bottom: 10%; right: 15%; }

/* ===== SUPPORT ===== */
.support {
    background: var(--bg-light);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.support-card {
    text-align: center;
    padding: 36px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    transition: all 0.4s ease;
}

.support-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 212, 255, 0.2);
}

.support-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.support-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.support-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ===== CTA ===== */
.cta-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    padding: 64px;
    align-items: center;
}

.cta-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
}

.cta-content > p {
    color: var(--text-muted);
    margin-bottom: 32px;
    font-size: 1.05rem;
}

.cta-contacts {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.contact-item:hover {
    opacity: 0.8;
}

.cta-form-wrapper {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--border);
}

.cta-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.3s ease;
    resize: none;
}

.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);
    background: rgba(255, 255, 255, 0.08);
}

/* ===== FORM ALERTS ===== */
.form-alert {
    padding: 14px 18px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 16px;
    text-align: center;
    animation: fadeInUp 0.4s ease;
}

.form-alert.success {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    color: var(--primary);
}

.form-alert.error {
    background: rgba(255, 80, 80, 0.1);
    border: 1px solid rgba(255, 80, 80, 0.3);
    color: #ff6b6b;
}

/* ===== FOOTER ===== */
.footer {
    padding: 64px 0 32px;
    border-top: 1px solid var(--border);
    background: var(--bg-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ===== ANIMATE ON SCROLL ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .about-grid,
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .industries-grid,
    .support-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .integration-wrapper,
    .cta-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .integration-visual {
        order: -1;
        height: 250px;
    }
    
    .cta-form-wrapper {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--bg);
        flex-direction: column;
        padding: 100px 40px 40px;
        gap: 24px;
        transition: right 0.3s ease;
        border-left: 1px solid var(--border);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .stat-divider {
        width: 60px;
        height: 1px;
    }
    
    .about-grid,
    .features-grid,
    .industries-grid,
    .support-grid {
        grid-template-columns: 1fr;
    }
    
    .advantage-item {
        flex-direction: column;
        text-align: center;
    }
    
    .integration-wrapper,
    .cta-wrapper {
        padding: 40px 24px;
    }
    
    .integration-visual {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 32px;
    }
    
    .footer-brand p {
        max-width: 100%;
    }
    
    .footer-brand .logo {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
}