.app-hero {
    padding: 180px 8% 100px;
    text-align: center;
}

.app-hero h1 {
    font-size: 4rem;
    max-width: 900px;
    margin: auto;
    line-height: 1.1;
}

.app-hero p {
    max-width: 700px;
    margin: 30px auto;
    color: rgba(255, 255, 255, .75);
    line-height: 1.8;
}

.mini-tag {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .05);
    margin-bottom: 30px;
}

.service-explorer {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 40px;
    padding: 100px 8%;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.service-item {
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .08);
    padding: 25px;
    border-radius: 24px;
    color: #fff;
    cursor: pointer;
    text-align: left;
    font-size: 1rem;
    transition: .3s;
}

.service-item span {
    display: block;
    margin-bottom: 10px;
    color: #4da3ff;
}

.service-item.active {
    background: rgba(255, 255, 255, .08);
    transform: translateX(10px);
}

.service-panel {
    padding: 50px;
    border-radius: 30px;
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .08);
    backdrop-filter: blur(20px);
    min-height: 500px;
}

.service-panel h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.service-panel p {
    line-height: 1.8;
    color: rgba(255, 255, 255, .75);
    margin-bottom: 30px;
}

.service-panel ul {
    list-style: none;
}

.service-panel li {
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.business-value,
.tech-stack,
.support-section,
.current-work,
.cta-section {
    padding: 120px 8%;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.value-grid,
.stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.value-card,
.stack-card,
.support-card,
.work-card {
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .08);
    backdrop-filter: blur(20px);
    padding: 35px;
    border-radius: 30px;
}

.value-card h3,
.stack-card h3 {
    margin-bottom: 15px;
}

.stack-card ul {
    list-style: none;
}

.stack-card li {
    padding: 8px 0;
}

.support-card {
    text-align: center;
    max-width: 900px;
    margin: auto;
}

.support-card h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.work-card {
    text-align: center;
    max-width: 900px;
    margin: auto;
}

.work-card span {
    color: #4da3ff;
    display: block;
    margin-bottom: 20px;
}

.cta-section {
    text-align: center;
}

.primary-btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 999px;
    background: #fff;
    color: #000;
    text-decoration: none;
    font-weight: 600;
    margin-top: 30px;
}

@media(max-width:900px) {
    .service-explorer {
        display: flex;
        flex-direction: column;
        gap: 25px;
        padding: 60px 20px;
    }
    .service-list {
        display: flex;
        flex-direction: row;
        gap: 12px;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
        padding-bottom: 5px;
    }
    .service-list::-webkit-scrollbar {
        display: none;
    }
    .service-item {
        min-width: 220px;
        flex-shrink: 0;
        padding: 18px;
        border-radius: 18px;
        font-size: .95rem;
    }
    .service-item span {
        font-size: .8rem;
        margin-bottom: 8px;
    }
    .service-item.active {
        transform: none;
        border-color: rgba(77, 163, 255, .4);
        background: rgba(77, 163, 255, .12);
    }
    .service-panel {
        width: 100%;
        min-height: auto;
        padding: 30px 25px;
        border-radius: 24px;
    }
    .service-content h2 {
        font-size: 1.8rem;
        line-height: 1.3;
    }
    .service-content h3 {
        font-size: 1rem;
        line-height: 1.5;
        margin-bottom: 18px;
    }
    .service-content p {
        font-size: .95rem;
        line-height: 1.9;
    }
    .service-icon {
        font-size: 3rem;
        margin-bottom: 15px;
    }
    .app-hero h1 {
        font-size: 2.6rem;
        line-height: 1.1;
    }
    .app-hero {
        padding: 150px 20px 80px;
    }
    .service-item strong {
        display: block;
        font-size: 1rem;
        font-weight: 600;
    }
}


/* ==========================
   TECHNOLOGY STACK
========================== */

.tech-stack {
    padding: 120px 8%;
    overflow: hidden;
    position: relative;
}

.tech-slider {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.tech-track {
    display: flex;
    gap: 45px;
    width: max-content;
    will-change: transform;
    animation: techMarquee 55s linear infinite;
}

.tech-slider:hover .tech-track {
    animation-play-state: paused;
}


/* CARD */

.tech-card {
    min-width: 260px;
    height: 110px;
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    border-radius: 24px;
    background: rgba(255, 255, 255, .05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, .08);
    transition: all .4s ease;
}


/* ICON CONTAINER */

.tech-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: 18px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .06);
    transition: .4s ease;
}


/* IMAGE NORMALIZATION */

.tech-icon img {
    width: 42px;
    height: 42px;
    object-fit: contain;
    display: block;
}


/* LABEL */

.tech-card span {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: .02em;
}


/* HOVER EFFECT */

.tech-card:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, .4);
    box-shadow: 0 15px 35px rgba(59, 130, 246, .18);
}

.tech-card:hover .tech-icon {
    transform: scale(1.08);
}


/* FADE EDGES */

.tech-slider::before,
.tech-slider::after {
    content: "";
    position: absolute;
    top: 0;
    width: 120px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
    border-radius: 50%;
}

.tech-slider::before {
    left: 0;
    background: linear-gradient( to right, #050b1800, transparent);
    border-radius: 50px;
}

.tech-slider::after {
    right: 0;
    background: linear-gradient( to left, #050b1800, transparent);
    border-radius: 50px;
}


/* INFINITE MARQUEE */

@keyframes techMarquee {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-50%);
    }
}


/* MOBILE */

@media(max-width:768px) {
    .tech-stack {
        padding: 100px 20px;
    }
    .tech-card {
        min-width: 220px;
        height: 95px;
        gap: 15px;
    }
    .tech-icon {
        width: 60px;
        height: 60px;
    }
    .tech-icon img {
        width: 34px;
        height: 34px;
    }
    .tech-slider::before,
    .tech-slider::after {
        width: 50px;
    }
}