/* ============================================================
   NEREO HOME PAGE — Estilos
   ============================================================ */

/* ── Hero ───────────────────────────────────────────────────── */
.nereo-hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background-color: var(--nereo-bg-deep);
    padding-block: 6rem 4rem;
}

.nereo-hero__canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.55;
    pointer-events: none;
}

/* Glows decorativos */
.nereo-hero__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.nereo-hero__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
}

.nereo-hero__glow--cyan {
    width: 600px;
    height: 600px;
    background: radial-gradient(ellipse at center, rgba(0, 229, 255, 0.12) 0%, transparent 70%);
    top: -150px;
    right: -100px;
}

.nereo-hero__glow--purple {
    width: 500px;
    height: 500px;
    background: radial-gradient(ellipse at center, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
    bottom: -100px;
    left: -80px;
}

/* Contenido del hero */
.nereo-hero__content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.75rem;
    max-width: 800px;
}

.nereo-hero__title {
    font-size: clamp(2.25rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--nereo-text-primary);
}

.nereo-hero__subtitle {
    font-size: clamp(1rem, 1.8vw, 1.25rem);
    color: var(--nereo-text-secondary);
    max-width: 600px;
    line-height: 1.6;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem;
}

/* Typing effect */
.nereo-hero__typing-wrap {
    display: inline-flex;
    align-items: center;
    gap: 1px;
    min-width: 140px;
}

.nereo-typing-cursor {
    color: var(--nereo-cyan);
    animation: nereo-blink 1s step-end infinite;
    font-weight: 300;
    margin-left: 2px;
}

/* Botones hero */
.nereo-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Mini stats */
.nereo-hero__stats {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--nereo-glass-border);
    width: 100%;
}

.nereo-hero__stat {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.nereo-hero__stat-value {
    font-family: var(--nereo-font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    line-height: 1;
}

.nereo-hero__stat-label {
    font-size: 0.75rem;
    color: var(--nereo-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.nereo-hero__stat-divider {
    width: 1px;
    height: 32px;
    background: var(--nereo-glass-border);
}

/* Scroll indicator */
.nereo-hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
}

.nereo-hero__scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--nereo-cyan), transparent);
    animation: nereo-float 2s ease-in-out infinite;
}

/* ── Sección What ───────────────────────────────────────────── */
.nereo-section--what {
    background-color: var(--nereo-bg-deep);
}

.nereo-what__title {
    font-size: clamp(1.5rem, 2.8vw, 2.125rem);
    margin-top: 1rem;
    margin-bottom: 1.25rem;
}

.nereo-what__body {
    margin-bottom: 1.25rem;
    font-size: 1.0625rem;
}

.nereo-feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.nereo-feature-list li {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.95rem;
    color: var(--nereo-text-secondary);
}

.nereo-feature-list li::before {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--nereo-cyan);
    flex-shrink: 0;
    box-shadow: 0 0 8px rgba(0, 229, 255, 0.6);
}

/* App frame con scan */
.nereo-what__visual {
    position: relative;
}

.nereo-app-frame {
    overflow: hidden;
    border-radius: var(--nereo-radius-lg);
    border: 1px solid var(--nereo-glass-border);
}

.nereo-app-frame__img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
}

.nereo-app-frame__status {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.875rem;
    background: rgba(6, 12, 26, 0.85);
    border: 1px solid var(--nereo-glass-border);
    border-radius: var(--nereo-radius-full);
    font-family: var(--nereo-font-heading);
    font-size: 0.75rem;
    color: var(--nereo-text-secondary);
    backdrop-filter: blur(8px);
}

.nereo-app-frame__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--nereo-teal);
    animation: nereo-glow-pulse 1.8s ease-in-out infinite;
}

/* ── Sección IA ─────────────────────────────────────────────── */
.nereo-section--ai {
    background-color: var(--nereo-bg-dark);
}

/* Demo IA: layout */
.nereo-ai-demo {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
    margin-bottom: 4rem;
}

/* Frame de imagen IA */
.nereo-ai-frame {
    position: relative;
    border-radius: var(--nereo-radius-lg);
    overflow: hidden;
    background: var(--nereo-bg-mid);
    border: 1px solid var(--nereo-glass-border);
}

.nereo-ai-frame__img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* Scan line en el frame IA */
.nereo-ai-scan {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--nereo-cyan), transparent);
    animation: nereo-scan 3.5s linear infinite;
    pointer-events: none;
}

/* Bounding boxes */
.nereo-bbox {
    position: absolute;
    border: 1.5px solid var(--nereo-cyan);
    border-radius: 4px;
    animation: nereo-glow-pulse 2.5s ease-in-out infinite;
}

.nereo-bbox--1 {
    top: 25%;
    left: 12%;
    width: 30%;
    height: 25%;
}

.nereo-bbox--2 {
    top: 50%;
    right: 10%;
    width: 35%;
    height: 28%;
}

.nereo-bbox__label {
    position: absolute;
    top: -1.5rem;
    left: 0;
    background: var(--nereo-cyan);
    color: var(--nereo-bg-deep);
    font-family: var(--nereo-font-heading);
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.125rem 0.375rem;
    border-radius: 3px;
    white-space: nowrap;
}

/* Corners del frame IA */
.nereo-ai-corners {
    position: absolute;
    inset: 12px;
    pointer-events: none;
}

.nereo-ai-corners span {
    position: absolute;
    width: 20px;
    height: 20px;
    border-color: var(--nereo-cyan);
    border-style: solid;
    opacity: 0.7;
}

.nereo-ai-corners span:nth-child(1) { top: 0; left: 0; border-width: 2px 0 0 2px; }
.nereo-ai-corners span:nth-child(2) { top: 0; right: 0; border-width: 2px 2px 0 0; }
.nereo-ai-corners span:nth-child(3) { bottom: 0; left: 0; border-width: 0 0 2px 2px; }
.nereo-ai-corners span:nth-child(4) { bottom: 0; right: 0; border-width: 0 2px 2px 0; }

/* Pasos IA */
.nereo-ai-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.nereo-ai-step {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.nereo-ai-step__num {
    font-family: var(--nereo-font-heading);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    flex-shrink: 0;
    width: 2.5rem;
}

.nereo-ai-step__title {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 0.375rem;
    color: var(--nereo-text-primary);
}

.nereo-ai-step__desc {
    font-size: 0.9rem;
    color: var(--nereo-text-secondary);
    line-height: 1.6;
}

/* Grid de fauna */
.nereo-fauna-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.nereo-fauna-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.5rem;
    padding: 1.5rem 1rem;
    transition: var(--nereo-transition);
}

.nereo-fauna-card:hover {
    border-color: var(--nereo-cyan);
    transform: translateY(-4px);
}

.nereo-fauna-card__icon {
    font-size: 2.25rem;
    line-height: 1;
}

.nereo-fauna-card__name {
    font-family: var(--nereo-font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--nereo-text-primary);
}

.nereo-fauna-card__detail {
    font-size: 0.8rem;
    color: var(--nereo-text-muted);
}

/* ── Beneficios (grid 2×3) ──────────────────────────────────── */
.nereo-section--benefits {
    background-color: var(--nereo-bg-deep);
}

.nereo-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.nereo-benefit-card {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    padding: 1.75rem;
    transition: var(--nereo-transition);
}

.nereo-benefit-card:hover {
    border-color: rgba(0, 229, 255, 0.35);
    transform: translateY(-4px);
}

.nereo-benefit-card__icon {
    width: 40px;
    height: 40px;
    color: var(--nereo-cyan);
}

.nereo-benefit-card__icon svg {
    width: 100%;
    height: 100%;
}

.nereo-benefit-card__title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--nereo-text-primary);
}

.nereo-benefit-card__desc {
    font-size: 0.9rem;
    color: var(--nereo-text-secondary);
    line-height: 1.6;
}

/* ── Flujo de campo ─────────────────────────────────────────── */
.nereo-section--flow {
    background-color: var(--nereo-bg-dark);
}

.nereo-flow {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    justify-content: center;
}

.nereo-flow-step {
    flex: 1;
    max-width: 300px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 2rem 1.5rem;
    background: var(--nereo-glass-bg);
    border: 1px solid var(--nereo-glass-border);
    border-radius: var(--nereo-radius-lg);
    backdrop-filter: var(--nereo-glass-blur);
}

.nereo-flow-step__num {
    font-family: var(--nereo-font-heading);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.nereo-flow-step__title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--nereo-text-primary);
}

.nereo-flow-step__desc {
    font-size: 0.875rem;
    color: var(--nereo-text-secondary);
    line-height: 1.6;
}

.nereo-flow-arrow {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    color: var(--nereo-glass-border);
}

.nereo-flow-arrow svg {
    width: 100%;
    height: 100%;
}

/* ── Protocolos ─────────────────────────────────────────────── */
.nereo-section--protocols {
    background-color: var(--nereo-bg-deep);
}

.nereo-protocols-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.nereo-protocol-card {
    padding: 2.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: var(--nereo-transition);
}

.nereo-protocol-card:hover {
    border-color: rgba(0, 229, 255, 0.3);
}

.nereo-protocol-card__header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nereo-protocol-card__title {
    font-size: 2rem;
    font-weight: 700;
}

.nereo-protocol-card__desc {
    font-size: 0.95rem;
    color: var(--nereo-text-secondary);
    line-height: 1.7;
}

.nereo-protocol-card__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    border-top: 1px solid var(--nereo-glass-border);
    padding-top: 1rem;
}

.nereo-protocol-card__list li {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.875rem;
    color: var(--nereo-text-secondary);
}

.nereo-protocol-card__list li::before {
    content: '';
    display: block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--nereo-teal);
    flex-shrink: 0;
}

/* ── CTA Final ──────────────────────────────────────────────── */
.nereo-section--cta {
    background-color: var(--nereo-bg-dark);
}

.nereo-cta {
    padding: clamp(2.5rem, 6vw, 5rem) clamp(2rem, 5vw, 4rem);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.nereo-cta__title {
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 700;
    max-width: 700px;
}

.nereo-cta__subtitle {
    font-size: 1.0625rem;
    color: var(--nereo-text-secondary);
    max-width: 560px;
    line-height: 1.7;
}

.nereo-cta__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .nereo-benefits-grid { grid-template-columns: repeat(2, 1fr); }
    .nereo-fauna-grid { grid-template-columns: repeat(2, 1fr); }
    .nereo-ai-demo { grid-template-columns: 1fr; }

    .nereo-flow {
        flex-direction: column;
        align-items: stretch;
    }

    .nereo-flow-arrow {
        transform: rotate(90deg);
        align-self: center;
    }

    .nereo-flow-step { max-width: 100%; }
}

@media (max-width: 768px) {
    .nereo-hero { padding-block: 5rem 3rem; }
    .nereo-hero__stats { gap: 1rem; }
    .nereo-hero__stat-divider { display: none; }
    .nereo-benefits-grid { grid-template-columns: 1fr; }
    .nereo-protocols-grid { grid-template-columns: 1fr; }
    .nereo-fauna-grid { grid-template-columns: repeat(2, 1fr); }
    .nereo-ai-demo { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .nereo-hero__title { font-size: 2rem; }
    .nereo-hero__actions { flex-direction: column; align-items: flex-start; }
    .nereo-fauna-grid { grid-template-columns: repeat(2, 1fr); }
}