/* Hero */
.hero {
    position: relative;
    min-height: min(94vh, 760px);
    display: flex;
    align-items: center;
    padding-block: clamp(5.5rem, 10vw, 7rem);
}

.hero::after {
    content: '';
    position: absolute;
    inset: clamp(0rem, 4vw, 1.5rem);
    border-radius: var(--radius-lg);
    background: radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.18), transparent 60%),
        radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.12), transparent 70%);
    z-index: -1;
}

.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;
}

.glitch {
    background: linear-gradient(120deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 12px 32px rgba(99, 102, 241, 0.32);
}

.hero-subtitle {
    font-size: clamp(0.95rem, 2vw, 1rem);
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: rgba(226, 232, 240, 0.7);
}

.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);
}

.hero-visual::before {
    content: '';
    position: absolute;
    inset: clamp(1.2rem, 4vw, 2rem);
    border-radius: var(--radius-lg);
    background: linear-gradient(140deg, rgba(99, 102, 241, 0.25), rgba(12, 19, 34, 0.65));
    border: 1px solid rgba(148, 163, 184, 0.16);
    box-shadow: var(--shadow-md);
    filter: saturate(120%);
}

.floating-card {
    position: absolute;
    width: clamp(110px, 18vw, 160px);
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--color-primary), rgba(236, 72, 153, 0.6));
    opacity: 0.42;
    filter: blur(0.4px);
    box-shadow: 0 14px 40px rgba(15, 23, 42, 0.32);
    animation: hero-float 18s ease-in-out infinite;
    will-change: transform;
}

.card-1 { top: 12%; left: 6%; }
.card-2 { bottom: 8%; right: 10%; }
.card-3 { top: 46%; right: 32%; }

.hero-visual .card-1 { animation-delay: -4s; }
.hero-visual .card-2 { animation-delay: -9s; }
.hero-visual .card-3 { animation-delay: -14s; }

@media (prefers-reduced-motion: no-preference) {
    .hero-visual:hover .floating-card {
        animation-play-state: paused;
        transform: translate3d(6px, -10px, 0) rotate(3deg);
    }
}

/* 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;
}

.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: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 10;
    backdrop-filter: blur(8px);
}

.carousel-button:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    color: rgba(255, 255, 255, 1);
}

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

.carousel-prev {
    left: 0.5rem;
}

.carousel-next {
    right: 0.5rem;
}

@media (max-width: 1200px) {
    .carousel-prev {
        left: 0.5rem;
    }
    
    .carousel-next {
        right: 0.5rem;
    }
}

@media (max-width: 992px) {
    .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;
    }
}

@media (max-width: 576px) {
    .carousel-button {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1rem;
    }
    
    .carousel-prev {
        left: 0.5rem;
    }
    
    .carousel-next {
        right: 0.5rem;
    }
}

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

.indicator {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator[aria-current="true"] {
    background: rgba(0, 212, 255, 0.8);
    border-color: rgba(0, 212, 255, 1);
    width: 1.5rem;
    border-radius: 0.375rem;
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.6);
}

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

/* 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 rgba(148, 163, 184, 0.18);
    background: rgba(12, 19, 34, 0.72);
    text-align: center;
    box-shadow: 0 14px 30px rgba(12, 19, 34, 0.28);
}

.stat-number {
    font-size: clamp(2.1rem, 5vw, 2.7rem);
    background: linear-gradient(120deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.4rem;
}

.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);
}

.rotating-cube {
    position: relative;
    --cube-size: clamp(200px, 32vw, 260px);
    --cube-half: calc(var(--cube-size) / 2);
    width: var(--cube-size);
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    transform-style: preserve-3d;
    transform-origin: center;
    animation: cube-spin 24s ease-in-out infinite;
    will-change: transform;
}

.rotating-cube::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    background: radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.35), transparent 70%),
        linear-gradient(145deg, rgba(12, 19, 34, 0.92), rgba(148, 163, 184, 0.12));
    border: 1px solid rgba(148, 163, 184, 0.16);
    box-shadow: var(--shadow-md);
    filter: saturate(120%);
    transform: translateZ(calc(var(--cube-half) * -1));
    pointer-events: none;
}

.cube-face {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: linear-gradient(160deg, rgba(15, 23, 42, 0.92), rgba(99, 102, 241, 0.25));
    border: 1px solid rgba(148, 163, 184, 0.22);
    box-shadow: inset 0 0 18px rgba(15, 23, 42, 0.6);
    backface-visibility: hidden;
}

.cube-face.front { transform: translateZ(var(--cube-half)); }
.cube-face.back { transform: rotateY(180deg) translateZ(var(--cube-half)); }
.cube-face.right { transform: rotateY(90deg) translateZ(var(--cube-half)); }
.cube-face.left { transform: rotateY(-90deg) translateZ(var(--cube-half)); }
.cube-face.top { transform: rotateX(90deg) translateZ(var(--cube-half)); }
.cube-face.bottom { transform: rotateX(-90deg) translateZ(var(--cube-half)); }

.cube-face.left,
.cube-face.bottom { filter: brightness(0.85); }

.cube-face.top { filter: brightness(1.1); }

@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 rgba(148, 163, 184, 0.18);
    background: rgba(12, 19, 34, 0.74);
    transition: transform var(--transition-base), border var(--transition-base);
}

.info-item:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.45);
}

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

.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(160px, 45vw, 220px);
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
        aspect-ratio: 4 / 3;
    }

    .hero-visual::before {
        inset: 0;
    }

    .floating-card {
        width: clamp(60px, 22vw, 90px);
        opacity: 0.5;
    }

    .card-1 { top: 8%; left: 4%; }
    .card-2 { bottom: 6%; right: 6%; }
    .card-3 { top: 40%; right: 25%; }

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

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