.feature-card {
    background: rgba(30, 64, 175, 0.08);
    border: 1px solid rgba(30, 64, 175, 0.4);
    border-radius: 1rem;
    padding: 2rem;
    transition: 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: #f97316;
}

.feature-card p {
    color: #cbd5f5;
}

.glass-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(148, 163, 184, 0.15);
    backdrop-filter: blur(14px);
    border-radius: 1.25rem;
    padding: 2rem;
    transition: 0.35s ease;
}

.glass-card:hover {
    transform: translateY(-8px);
    border-color: rgba(249,115,22,0.6);
}

.lang-btn {
    padding: 0.4rem 0.75rem;
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 0.5rem;
    font-size: 0.85rem;
    background: transparent;
    color: white;
    cursor: pointer;
    transition: 0.2s;
}

.lang-btn:hover {
    border-color: #f97316;
    color: #f97316;
}

.menu-wrapper {
    position: relative;
    z-index: 10000;
    display: inline-block;
}

.menu-btn {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 0.75rem;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
    width: 20px;
    height: 2px;
    background: white;
    display: block;
    position: absolute;
    content: '';
    transition: 0.3s ease;
}

.menu-icon::before { transform: translateY(-6px); }
.menu-icon::after { transform: translateY(6px); }

.menu-panel {
    z-index: 9999;
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    background: rgba(2,6,23,0.96);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 1rem;
    padding: 1rem;
    min-width: 220px;
    opacity: 0;
    transform: translateY(-4px) scale(0.98);
    pointer-events: none;
    transition: 0.2s ease;
}

.menu-wrapper:hover .menu-panel {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.menu-wrapper:hover .menu-icon { background: transparent; }
.menu-wrapper:hover .menu-icon::before { transform: rotate(45deg); }
.menu-wrapper:hover .menu-icon::after { transform: rotate(-45deg); }

.menu-nav { display: flex; flex-direction: column; }

.menu-link {
    padding: 0.6rem 0.75rem;
    border-radius: 0.6rem;
    color: white;
    text-decoration: none;
    transition: 0.2s;
}

.menu-link:hover {
    background: rgba(249,115,22,0.2);
    color: #f97316;
    padding-left: 1rem;
}

.menu-lang {
    margin-top: 0.75rem;
    display: flex;
    gap: 0.5rem;
}

#gradient-bg {
    position: fixed;
    inset: -20%;
    z-index: 0;
    pointer-events: none;
    --x: 50%;
    --y: 50%;
    background:
        radial-gradient(800px at var(--x) var(--y), rgba(56,189,248,0.22), transparent 60%),
        radial-gradient(1000px at calc(100% - var(--x)) calc(100% - var(--y)), rgba(249,115,22,0.16), transparent 65%),
        linear-gradient(180deg, #020617, #020617);
}

.bg-grid-pattern {
    background-size: 40px 40px;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4rem;
}

.reveal-on-scroll {
    opacity: 1;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-visible {
    opacity: 1;
    transform: translateY(0);
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
}

.bento-card {
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.6) 0%, rgba(15, 23, 42, 0.3) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border-radius: 1.5rem;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: 0.4s ease;
    overflow: hidden;
    position: relative;
}

.bento-card:hover {
    border-color: rgba(249, 115, 22, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5);
}


.col-span-2 { grid-column: auto; }
.row-span-2 { grid-row: auto; }

@media (min-width: 768px) {
    .bento-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: minmax(180px, auto);
    }
    .col-span-2 { grid-column: span 2; }
    .row-span-2 { grid-row: span 2; }
}



.marquee-wrapper {
    overflow: hidden;
    position: relative;
    width: 100%;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-content {
    display: flex;
    gap: 3rem;
    width: max-content;
    animation: scroll-left 40s linear infinite;
}

@keyframes scroll-left { to { transform: translateX(-50%); } }

.tech-item {
    font-size: 1.1rem;
    font-weight: 600;
    color: #64748b;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pipeline-step {
    border-left: 2px solid rgba(255,255,255,0.1);
    padding-left: 2rem;
    padding-bottom: 3rem;
    position: relative;
}
.pipeline-step:last-child { border-left: transparent; }

.pipeline-dot {
    position: absolute; left: -9px; top: 0;
    width: 16px; height: 16px;
    background: #020617;
    border: 2px solid #f97316;
    border-radius: 50%;
    z-index: 2;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.solution-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 1rem;
    transition: 0.3s;
    position: relative;
    overflow: hidden;
}

.solution-icon { font-size: 2.5rem; margin-bottom: 1rem; color: #f97316; }

.qa-box {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 2rem;
}
.qa-item { border-bottom: 1px solid rgba(255, 255, 255, 0.1); padding-bottom: 1.5rem; margin-bottom: 1.5rem; }
.qa-item:last-child { border-bottom: none; margin-bottom: 0; }
.qa-question { font-size: 1.25rem; font-weight: 600; color: white; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 1rem; }
.qa-question::before { content: "Q."; color: #f97316; font-family: monospace; }
.qa-answer { color: #94a3b8; line-height: 1.6; padding-left: 2.5rem; }

.footer-cta {
    background: linear-gradient(180deg, rgba(2,6,23,0) 0%, rgba(249,115,22,0.08) 100%);
    border-top: 1px solid rgba(255,255,255,0.05);
}

.arch-diagram {
    display: flex; align-items: center; justify-content: center; gap: 2rem; flex-wrap: wrap; position: relative;
}
.arch-node {
    background: #0f172a; border: 1px solid rgba(255, 255, 255, 0.1); padding: 1.5rem; border-radius: 1rem; text-align: center; min-width: 140px; position: relative; transition: 0.3s; z-index: 10;
}
.arch-connector { height: 2px; width: 60px; background: rgba(255, 255, 255, 0.1); position: relative; overflow: hidden; }
.arch-connector::after {
    content: ''; position: absolute; top: 0; left: 0; bottom: 0; width: 20px;
    background: #f97316; box-shadow: 0 0 10px #f97316; animation: flow 2s infinite linear;
}
@keyframes flow { 0% { transform: translateX(-100%); } 100% { transform: translateX(400%); } }

@media (max-width: 768px) {
    .arch-diagram { flex-direction: column; }
    .arch-connector { width: 2px; height: 60px; }
    .arch-connector::after {
        top: 0; left: 0; right: 0; height: 20px; width: 100%;
        animation: flow-vertical 2s infinite linear;
    }
    @keyframes flow-vertical { 0% { transform: translateY(-100%); } 100% { transform: translateY(400%); } }
}

html { scroll-behavior: smooth; }


@media (max-width: 640px) {
    .col-span-2 { grid-column: auto !important; }
    .row-span-2 { grid-row: auto !important; }

    .section-title {
        font-size: 1.75rem !important;
        margin-bottom: 2rem !important;
        word-wrap: break-word;
        line-height: 1.2;
    }

    h1 {
        word-break: break-word;
        overflow-wrap: break-word;
    }

    .bento-card, .glass-card {
        padding: 1.25rem !important;
        min-height: auto !important;
    }

    .bento-card .font-mono, .glass-card .font-mono {
        font-size: 0.7rem !important;
        overflow-x: auto;
        white-space: pre;
    }

    section {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
        overflow-x: hidden;
    }
}