/* =========================================================
   PLATFORM PAGE
   ========================================================= */

.platform-page {
    position: relative;
    overflow: hidden;
}

.platform-page::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 10% 12%, rgba(37, 99, 235, 0.15), transparent 28%),
        radial-gradient(circle at 88% 18%, rgba(56, 189, 248, 0.11), transparent 24%),
        radial-gradient(circle at 55% 78%, rgba(37, 99, 235, 0.07), transparent 32%);
    pointer-events: none;
    z-index: 0;
}

.platform-page > * {
    position: relative;
    z-index: 1;
}

/* =========================================================
   HERO
   ========================================================= */

.platform-hero {
    padding: 80px 0 60px;
}

.platform-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.platform-hero-copy h1 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.15;
    color: #0f172a;
    margin: 12px 0 20px;
}

.platform-hero-copy p {
    font-size: 1.05rem;
    color: #475569;
    line-height: 1.7;
    margin-bottom: 32px;
}

.platform-hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Hero Visual */
.platform-diagram {
    background: #0f172a;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.22);
}

.pd-topbar {
    display: flex;
    gap: 6px;
    padding: 14px 18px 10px;
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.pd-topbar span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: block;
}

.pd-header {
    padding: 20px 24px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

.pd-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #38bdf8;
    text-transform: uppercase;
    margin: 0 0 4px;
}

.pd-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #f1f5f9;
    margin: 0;
}

.pd-status {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.pd-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: rgba(255, 255, 255, 0.05);
    margin: 0;
}

.pd-tile {
    background: #0f172a;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pd-tile-icon {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.2);
    padding: 3px 8px;
    border-radius: 4px;
    display: inline-block;
    width: fit-content;
    margin-bottom: 6px;
}

.pd-tile strong {
    color: #f1f5f9;
    font-size: 0.9rem;
    font-weight: 600;
}

.pd-tile p {
    color: #64748b;
    font-size: 0.78rem;
    margin: 0;
}

/* =========================================================
   CAPABILITIES
   ========================================================= */

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

.platform-cap-card {
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 12px;
    padding: 28px 24px;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.platform-cap-card:hover {
    box-shadow: 0 8px 32px rgba(37, 99, 235, 0.08);
    transform: translateY(-2px);
}

.cap-icon {
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.15);
    padding: 5px 10px;
    border-radius: 6px;
    display: inline-block;
    margin-bottom: 16px;
}

.platform-cap-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 10px;
}

.platform-cap-card p {
    font-size: 0.9rem;
    color: #475569;
    line-height: 1.65;
    margin: 0;
}

/* =========================================================
   LAYERS
   ========================================================= */

.layers-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.layer-card {
    background: #f8fafc;
    border: 1px solid rgba(15, 23, 42, 0.07);
    border-radius: 12px;
    padding: 32px 28px;
}

.layer-card-featured {
    background: #0f172a;
    border-color: transparent;
}

.layer-card-featured .layer-num {
    color: #38bdf8;
}

.layer-card-featured h3 {
    color: #f1f5f9;
}

.layer-card-featured p {
    color: #94a3b8;
}

.layer-num {
    font-size: 0.75rem;
    font-weight: 700;
    color: #2563eb;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
    display: block;
}

.layer-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 10px;
}

.layer-card p {
    font-size: 0.9rem;
    color: #475569;
    line-height: 1.65;
    margin: 0;
}

/* =========================================================
   DEVELOPER TOOLS
   ========================================================= */

.platform-devtools {
    background: #0f172a;
    border-radius: 16px;
    margin: 0 auto;
    overflow: hidden;
}

.platform-devtools-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    align-items: stretch;
}

.platform-devtools-copy {
    padding: 56px 48px;
}

.platform-devtools-copy .section-kicker {
    color: #38bdf8;
}

.platform-devtools-copy h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: #f1f5f9;
    margin: 12px 0 16px;
    line-height: 1.2;
}

.platform-devtools-copy p {
    font-size: 0.95rem;
    color: #94a3b8;
    line-height: 1.7;
    margin-bottom: 24px;
}

.platform-devtools-list {
    list-style: none;
    padding: 0;
    margin: 0 0 32px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.platform-devtools-list li {
    font-size: 0.9rem;
    color: #cbd5e1;
    padding-left: 20px;
    position: relative;
}

.platform-devtools-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #38bdf8;
    font-weight: 700;
}

.platform-devtools-code {
    background: rgba(255, 255, 255, 0.03);
    border-left: 1px solid rgba(255, 255, 255, 0.06);
    padding: 40px 36px;
    display: flex;
    align-items: center;
}

.platform-devtools-code pre {
    margin: 0;
    overflow-x: auto;
}

.platform-devtools-code code {
    font-family: "SF Mono", "Fira Code", "Consolas", monospace;
    font-size: 0.8rem;
    line-height: 1.8;
    color: #cbd5e1;
    white-space: pre;
}

/* =========================================================
   CTA
   ========================================================= */

.platform-cta-box {
    background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 100%);
    border-radius: 16px;
    padding: 64px 56px;
    text-align: center;
}

.platform-cta-box .section-kicker {
    color: #93c5fd;
}

.platform-cta-box h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    color: #fff;
    margin: 12px 0 16px;
}

.platform-cta-box p {
    font-size: 1rem;
    color: #bfdbfe;
    line-height: 1.7;
    max-width: 560px;
    margin: 0 auto 32px;
}

.platform-cta-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 900px) {
    .platform-hero-grid,
    .platform-devtools-grid {
        grid-template-columns: 1fr;
    }

    .platform-cap-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .layers-grid {
        grid-template-columns: 1fr;
    }

    .platform-devtools-copy {
        padding: 40px 32px;
    }

    .platform-devtools-code {
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding: 32px;
    }

    .platform-cta-box {
        padding: 48px 32px;
    }
}

@media (max-width: 600px) {
    .platform-cap-grid {
        grid-template-columns: 1fr;
    }
}