/* Hero */
.hero {
    position: relative;
    min-height: min(84vh, 680px);
    display: flex;
    align-items: flex-start;
    padding-top: clamp(2.75rem, 7vw, 4.5rem);
    padding-bottom: clamp(4rem, 8vw, 6rem);
}

.hero .container {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(2rem, 6vw, 4rem);
    align-items: center;
}

.hero-content {
    display: grid;
    gap: clamp(1.4rem, 4vw, 2rem);
}

.hero-content h1 {
    margin: 0;
    font-size: var(--font-size-3xl);
}

.glitch {
    color: var(--color-text);
}

.hero-subtitle {
    font-size: clamp(0.95rem, 2vw, 1rem);
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.hero-description {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    max-width: 38ch;
    color: var(--color-text-muted);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.hero-visual {
    position: relative;
    display: grid;
    place-items: center;
    min-height: clamp(260px, 40vw, 420px);
    overflow: visible;
}

.hud-container {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hud-panel {
    background: rgba(15, 15, 20, 0.85);
    border: 1px solid var(--color-primary);
    box-shadow: 0 0 15px rgba(220, 38, 38, 0.2);
    border-radius: var(--radius-sm);
    padding: 1rem;
    width: clamp(200px, 60%, 280px);
    z-index: 2;
    transform: perspective(600px) rotateY(-10deg) rotateX(5deg);
    animation: hud-float 6s ease-in-out infinite alternate;
    backdrop-filter: blur(10px);
}

.hud-panel .panel-header {
    font-size: 0.9rem;
    color: var(--color-primary);
    border-bottom: 1px solid rgba(220, 38, 38, 0.3);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.hud-panel .toggle-row, .hud-panel .range-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
    font-size: 0.8rem;
    color: var(--color-text);
}

.hud-panel .switch {
    width: 32px;
    height: 16px;
    background: rgba(220, 38, 38, 0.2);
    border-radius: 8px;
    position: relative;
}

.hud-panel .switch::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-primary);
    top: 2px;
    right: 2px;
    box-shadow: 0 0 5px var(--color-primary);
}

.hud-panel .slider {
    flex: 1;
    margin-left: 1rem;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    position: relative;
}

.hud-panel .slider .fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 2px;
    box-shadow: 0 0 5px var(--color-primary);
}

.radar-element {
    position: absolute;
    right: 5%;
    bottom: 10%;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 2px solid rgba(220, 38, 38, 0.4);
    background: radial-gradient(circle, rgba(220,38,38,0.1) 0%, rgba(15,15,20,0.8) 100%);
    box-shadow: 0 0 15px rgba(220, 38, 38, 0.3);
    z-index: 1;
    transform: perspective(600px) rotateX(60deg) rotateY(10deg);
}

.radar-element .radar-circle {
    position: absolute;
    inset: 10px;
    border-radius: 50%;
    border: 1px dashed rgba(220, 38, 38, 0.3);
}

.radar-element .radar-sweep {
    position: absolute;
    width: 50%;
    height: 50%;
    bottom: 50%;
    right: 50%;
    transform-origin: bottom right;
    background: linear-gradient(0deg, rgba(220,38,38,0) 0%, rgba(220,38,38,0.5) 100%);
    animation: radar-spin 3s linear infinite;
}

.radar-element .radar-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    background: #ff3b3b;
    border-radius: 50%;
    box-shadow: 0 0 8px #ff3b3b;
    opacity: 0;
}

.radar-element .dot-1 {
    top: 30%;
    left: 40%;
    animation: dot-ping 3s infinite 0.5s;
}

.radar-element .dot-2 {
    bottom: 40%;
    right: 30%;
    animation: dot-ping 3s infinite 2s;
}

@keyframes hud-float {
    0% { transform: perspective(600px) rotateY(-10deg) rotateX(5deg) translateY(0); }
    100% { transform: perspective(600px) rotateY(-5deg) rotateX(2deg) translateY(-10px); }
}

@keyframes radar-spin {
    100% { transform: rotate(360deg); }
}

@keyframes dot-ping {
    0%, 10% { opacity: 1; transform: scale(1); }
    30%, 100% { opacity: 0; transform: scale(2); }
}

/* Feature & service sections */
.features,
.services,
.advantages,
.testimonials,
.blog,
.contact,
.about {
    padding-block: var(--section-spacing-y);
}

.section-header {
    display: grid;
    gap: 0.75rem;
    justify-items: center;
    margin: 0 auto clamp(2.5rem, 6vw, 3.5rem);
}

.section-header .section-title {
    margin: 0;
}

.section-header .section-intro {
    margin: 0;
}

.section-header.align-left {
    justify-items: flex-start;
    text-align: left;
    margin-inline: 0;
    margin-bottom: 1.25rem;
}

.section-header.align-left .section-title {
    width: auto;
    text-align: left;
}

.section-header.align-left .section-title::after {
    margin: 0.35rem 0 0;
}

.section-header.align-left .section-intro {
    text-align: left;
}

.section-intro {
    max-width: 640px;
    margin: -0.5rem auto clamp(2rem, 5vw, 3rem);
    text-align: center;
    font-size: clamp(1rem, 2.5vw, 1.15rem);
    color: var(--color-text-muted);
}

.features-grid,
.services-grid,
.advantages-grid,
.testimonials-grid,
.blog-grid {
    display: grid;
    gap: clamp(1.5rem, 4vw, 2.4rem);
}

.features-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.services-grid {
    margin-top: clamp(2rem, 5vw, 2.6rem);
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.advantages-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.testimonials-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

/* Testimonials Carousel */
.testimonials {
    overflow: hidden;
}

.testimonials > .container {
    padding-left: 5rem;
    padding-right: 5rem;
    position: relative;
}

.testimonials-carousel-wrapper {
    position: relative;
    margin-top: 2rem;
    overflow: hidden;
}

.testimonials-carousel {
    display: flex;
    gap: 1.5rem;
    scroll-behavior: smooth;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0.5rem 0;
}

.testimonials-carousel .testimonial-card {
    flex: 0 0 calc(50% - 0.75rem);
    min-width: 0;
    scroll-snap-align: start;
    box-sizing: border-box;
}

@media (max-width: 992px) {
    .testimonials > .container {
        padding-left: 4rem;
        padding-right: 4rem;
    }
}

@media (max-width: 768px) {
    .testimonials > .container {
        padding-left: 3rem;
        padding-right: 3rem;
    }

    .testimonials-carousel .testimonial-card {
        flex: 0 0 100%;
    }
}

@media (max-width: 576px) {
    .testimonials > .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

.carousel-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-surface-1);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: border-color var(--transition-base), color var(--transition-base);
    z-index: 10;
}

.carousel-button:hover {
    border-color: var(--color-border-strong);
    color: var(--color-text);
}

.carousel-button:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel-prev {
    left: 0.5rem;
}

.carousel-next {
    right: 0.5rem;
}

@media (max-width: 768px) {
    .carousel-button {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1rem;
    }

    .carousel-prev { left: 0.25rem; }
    .carousel-next { right: 0.25rem; }
}

.carousel-indicators {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.indicator {
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 50%;
    border: 1px solid var(--color-border-strong);
    background: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
}

.indicator[aria-current="true"] {
    background: var(--color-text);
    border-color: var(--color-text);
    width: 1.25rem;
    border-radius: 0.375rem;
}

.indicator:hover {
    border-color: var(--color-text);
}

.blog-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
}

@media (max-width: 992px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

/* About */
.about-content {
    display: grid;
    gap: clamp(2rem, 6vw, 3.5rem);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    align-items: center;
}

.about-text h2 {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
}

.stats {
    margin-top: clamp(1.6rem, 4vw, 2.2rem);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: clamp(1rem, 3vw, 1.8rem);
}

.stat-item {
    padding: 1.4rem 1.1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface-1);
    text-align: center;
}

.stat-number {
    font-size: clamp(2.1rem, 5vw, 2.7rem);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: 0.4rem;
    letter-spacing: var(--letter-spacing-tight);
}

.stat-label {
    font-size: 0.92rem;
    color: var(--color-text-muted);
}

.about-visual {
    position: relative;
    display: grid;
    place-items: center;
    min-height: clamp(240px, 35vw, 340px);
}

.terminal-window {
    width: 100%;
    max-width: clamp(280px, 90%, 400px);
    background: #0d0d12;
    border-radius: var(--radius-md);
    border: 1px solid rgba(220, 38, 38, 0.4);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 15px rgba(220, 38, 38, 0.1);
    font-family: monospace;
    overflow: hidden;
    position: relative;
    z-index: 10;
}

.terminal-header {
    background: #1a1a24;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.terminal-header .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-header .dot.red { background: #ff5f56; }
.terminal-header .dot.yellow { background: #ffbd2e; }
.terminal-header .dot.green { background: #27c93f; }

.terminal-header .title {
    margin-left: 1rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

.terminal-body {
    padding: 1.5rem;
    color: #0f0;
    font-size: 0.85rem;
    line-height: 1.6;
}

.terminal-body p {
    margin: 0;
    opacity: 0;
    animation: fade-in 0.1s forwards;
}

@keyframes fade-in {
    to { opacity: 1; }
}

.terminal-body p.success {
    color: var(--color-primary);
}

.terminal-body .loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    animation: dots 2s steps(4, end) infinite;
}

.terminal-body .blink {
    animation: blinker 1s step-end infinite;
}

.terminal-body p:nth-child(1) { animation-delay: 0.5s; }
.terminal-body p:nth-child(2) { animation-delay: 1.2s; }
.terminal-body p:nth-child(3) { animation-delay: 1.5s; }
.terminal-body p:nth-child(4) { animation-delay: 3.5s; }
.terminal-body p:nth-child(5) { animation-delay: 4.5s; }
.terminal-body p:nth-child(6) { animation-delay: 6.0s; }
.terminal-body p:nth-child(7) { animation-delay: 6.5s; }

@keyframes blinker {
    50% { opacity: 0; }
}

@keyframes dots {
    0% { content: ''; }
    25% { content: '.'; }
    50% { content: '..'; }
    75% { content: '...'; }
    100% { content: 'OK'; color: var(--color-primary); }
}

@keyframes hero-float {
    0% { transform: translate3d(0, 0, 0) scale(1); }
    20% { transform: translate3d(4px, -10px, 0) scale(1.02); }
    40% { transform: translate3d(-6px, 6px, 0) scale(1); }
    60% { transform: translate3d(3px, -4px, 0) scale(1.03); }
    80% { transform: translate3d(-4px, 8px, 0) scale(0.98); }
    100% { transform: translate3d(0, 0, 0) scale(1); }
}

@keyframes cube-spin {
    0% { transform: rotateX(-18deg) rotateY(14deg); }
    25% { transform: rotateX(18deg) rotateY(32deg); }
    50% { transform: rotateX(32deg) rotateY(-12deg); }
    75% { transform: rotateX(-28deg) rotateY(-28deg); }
    100% { transform: rotateX(-18deg) rotateY(14deg); }
}

@media (prefers-reduced-motion: reduce) {
    .floating-card,
    .rotating-cube,
    .cube-face {
        animation: none !important;
    }
}

/* Testimonials */
.testimonial-card {
    display: grid;
    gap: 1.4rem;
    padding: clamp(1.75rem, 4vw, 2.25rem);
}

.testimonial-quote {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--color-text);
}

.author-role {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Blog */
.blog-card {
    display: grid;
    gap: 1.2rem;
    padding: clamp(1.6rem, 4vw, 2.1rem);
}

.blog-card p {
    font-size: 0.98rem;
    line-height: 1.65;
}

.blog-card .btn-secondary {
    width: fit-content;
}

/* Contact */
.contact-content {
    margin-top: clamp(1.5rem, 4vw, 2.5rem);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: clamp(1.5rem, 4vw, 2.8rem);
}

.contact-info {
    display: grid;
    gap: clamp(1.2rem, 3.5vw, 2rem);
}

.info-item {
    display: grid;
    gap: 0.5rem;
    padding: clamp(1.1rem, 3vw, 1.5rem);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface-1);
    transition: border-color var(--transition-base);
}

.info-item:hover {
    border-color: var(--color-border-strong);
}

.info-icon {
    font-size: 1.6rem;
    color: var(--color-text-muted);
}

.info-item h4 {
    margin: 0;
    color: var(--color-text);
}

.info-item p {
    margin: 0;
    color: var(--color-text-muted);
}

.contact-form {
    display: grid;
    gap: 1rem;
}

@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        place-items: center;
    }

    .hero-description {
        max-width: 45ch;
    }

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

    .about-visual {
        order: -1;
    }
}

@media (max-width: 640px) {
    .hero {
        min-height: auto;
        padding-bottom: clamp(3rem, 12vw, 4rem);
    }

    .hero-visual {
        min-height: clamp(260px, 45vw, 320px);
        width: 100%;
        max-width: 100%;
        margin: 0 auto;
    }

    .hud-panel {
        width: 90%;
        padding: 0.8rem;
    }

    .radar-element {
        width: 80px;
        height: 80px;
        right: 2%;
        bottom: 5%;
    }

    .section-title {
        margin-bottom: clamp(2rem, 8vw, 2.6rem);
    }

    .section-intro {
        margin-top: 0.5rem;
    }
}