/* Arquitectura APP — 5 áreas + 6 pilares (index, servicios, plataforma) */

.app-arch {
    padding: clamp(3rem, 6vw, 4.5rem) 0;
    scroll-margin-top: 5.75rem;
    background:
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(255, 140, 66, 0.07), transparent 60%),
        linear-gradient(180deg, #ffffff 0%, var(--background-light, #f8f9fa) 100%);
    border-top: 1px solid rgba(255, 140, 66, 0.15);
    border-bottom: 1px solid rgba(255, 140, 66, 0.15);
}

.app-arch-head {
    text-align: center;
    max-width: 46rem;
    margin: 0 auto clamp(2.5rem, 5vw, 3.25rem);
}

.app-arch-kicker,
.app-arch-block-kicker {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--svc-accent-dark, #c45a1a);
    margin-bottom: 0.55rem;
}

.app-arch-head h2 {
    font-size: clamp(1.55rem, 3.8vw, 2.15rem);
    line-height: 1.22;
    color: var(--text-dark, #2c3e50);
    margin-bottom: 0.85rem;
}

.app-arch-intro {
    font-size: clamp(0.98rem, 2.2vw, 1.08rem);
    color: var(--text-secondary, #7f8c8d);
    line-height: 1.65;
}

.app-arch-block {
    margin-bottom: clamp(2rem, 4vw, 2.75rem);
}

.app-arch-block-head {
    margin-bottom: clamp(1.5rem, 3vw, 2rem);
    max-width: 44rem;
}

.app-arch-block-head--center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.app-arch-block-head h3 {
    font-size: clamp(1.25rem, 3vw, 1.65rem);
    color: var(--text-dark, #2c3e50);
    line-height: 1.28;
    margin-bottom: 0.65rem;
}

.app-arch-block-head p {
    color: var(--text-secondary, #7f8c8d);
    line-height: 1.6;
    font-size: 1rem;
}

/* 5 áreas */
.app-arch-areas {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.app-arch-area {
    background: #fff;
    border: 1px solid rgba(255, 140, 66, 0.22);
    border-radius: 18px;
    padding: clamp(1rem, 2.5vw, 1.35rem);
    box-shadow: 0 10px 28px rgba(44, 62, 80, 0.06);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.app-arch-area:hover {
    border-color: rgba(255, 140, 66, 0.45);
    box-shadow: 0 14px 36px rgba(255, 140, 66, 0.1);
}

.app-arch-area-meta {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 0.85rem;
    flex-wrap: wrap;
}

.app-arch-area-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    height: 2rem;
    padding: 0 0.45rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    color: #fff;
    background: linear-gradient(135deg, var(--svc-accent, #ff8c42), var(--svc-accent-deep, #e85d04));
}

.app-arch-area-icon {
    font-size: 1.35rem;
    line-height: 1;
}

.app-arch-area-meta h4 {
    font-size: 1.05rem;
    color: var(--text-dark, #2c3e50);
    margin: 0;
}

.app-arch-area-compare {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.app-arch-col {
    padding: 0.85rem 0.95rem;
    border-radius: 12px;
    line-height: 1.55;
    font-size: 0.92rem;
}

.app-arch-col--alone {
    background: rgba(44, 62, 80, 0.04);
    border: 1px dashed rgba(44, 62, 80, 0.14);
}

.app-arch-col--unified {
    background: linear-gradient(135deg, rgba(255, 140, 66, 0.1), rgba(255, 140, 66, 0.04));
    border: 1px solid rgba(255, 140, 66, 0.28);
}

.app-arch-col-label {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
}

.app-arch-col--alone .app-arch-col-label {
    color: var(--text-secondary, #7f8c8d);
}

.app-arch-col--unified .app-arch-col-label {
    color: var(--svc-accent-dark, #c45a1a);
}

.app-arch-modules {
    margin-top: 0.55rem;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--svc-accent-dark, #c45a1a);
}

.app-arch-area-link {
    display: inline-block;
    margin-top: 0.75rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--svc-accent-dark, #c45a1a);
    text-decoration: none;
}

.app-arch-area-link:hover,
.app-arch-area-link:focus-visible {
    color: var(--svc-accent, #ff8c42);
    text-decoration: underline;
}

.app-arch-closure {
    text-align: center;
    margin-top: 1.35rem;
    font-size: 1.05rem;
    color: var(--text-dark, #2c3e50);
}

/* Puente visual */
.app-arch-bridge {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: clamp(1.5rem, 3vw, 2rem) 0;
}

.app-arch-bridge-line {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 140, 66, 0.45), transparent);
}

.app-arch-bridge-badge {
    flex-shrink: 0;
    padding: 0.45rem 1rem;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #fff;
    background: linear-gradient(135deg, #2c3e50, #1a252f);
    border-radius: 999px;
    box-shadow: 0 6px 18px rgba(26, 37, 47, 0.2);
}

/* 6 pilares */
.app-arch-pillars {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(0.85rem, 2vw, 1.15rem);
}

.app-arch-pillar {
    min-height: 100%;
}

.app-arch-pillar-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: clamp(1rem, 2.5vw, 1.25rem);
    background: #fff;
    border: 1px solid rgba(255, 140, 66, 0.2);
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 8px 22px rgba(44, 62, 80, 0.06);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    position: relative;
    overflow: hidden;
}

.app-arch-pillar-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--svc-accent, #ff8c42), var(--svc-accent-deep, #e85d04));
    opacity: 0;
    transition: opacity 0.25s ease;
}

.app-arch-pillar-link:hover,
.app-arch-pillar-link:focus-visible {
    transform: translateY(-4px);
    border-color: rgba(255, 140, 66, 0.45);
    box-shadow: 0 16px 36px rgba(255, 140, 66, 0.14);
    outline: none;
}

.app-arch-pillar-link:hover::before,
.app-arch-pillar-link:focus-visible::before {
    opacity: 1;
}

.app-arch-pillar-index {
    position: absolute;
    top: 0.75rem;
    right: 0.85rem;
    font-size: 0.68rem;
    font-weight: 800;
    color: rgba(44, 62, 80, 0.35);
}

.app-arch-pillar-icon {
    font-size: 1.65rem;
    margin-bottom: 0.45rem;
}

.app-arch-pillar-link h4 {
    font-size: 1.02rem;
    color: var(--text-dark, #2c3e50);
    margin-bottom: 0.35rem;
}

.app-arch-pillar-desc {
    font-size: 0.86rem;
    color: var(--text-secondary, #7f8c8d);
    line-height: 1.5;
    margin-bottom: 0.45rem;
}

.app-arch-pillar-client {
    font-size: 0.84rem;
    color: var(--text-dark, #2c3e50);
    line-height: 1.5;
    flex-grow: 1;
    margin-bottom: 0.75rem;
}

.app-arch-pillar-cta {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--svc-accent-dark, #c45a1a);
    letter-spacing: 0.02em;
}

.app-arch-foot-cta {
    text-align: center;
    margin-top: clamp(1.5rem, 3vw, 2rem);
}

.page-mapa-app .app-arch-foot-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    justify-content: center;
    align-items: center;
}

.app-arch-foot-cta .app-arch-btn {
    display: inline-block;
}

.app-arch-foot-cta .app-arch-btn--secondary {
    margin-left: 0;
}

/* Variantes por página */
.app-arch--index {
    background:
        radial-gradient(ellipse 70% 45% at 50% 0%, rgba(255, 215, 0, 0.08), transparent 55%),
        linear-gradient(180deg, #fafafa 0%, #ffffff 100%);
}

.app-arch--plataforma {
    padding-top: clamp(2rem, 4vw, 3rem);
    border-top: none;
}

.page-servicios .app-arch {
    border-top: none;
    padding-top: clamp(2rem, 4vw, 3rem);
}

@media (max-width: 960px) {
    .app-arch-pillars {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .app-arch-area-compare {
        grid-template-columns: 1fr;
    }

    .app-arch-pillars {
        grid-template-columns: 1fr;
    }

    .app-arch-bridge {
        flex-direction: column;
        gap: 0.65rem;
    }

    .app-arch-bridge-line {
        width: 60%;
        flex: none;
    }
}