/* ============================================================
   AURA — Features Page Styles
   ============================================================ */

/* ── Features Hero (compact) ── */
.features-hero {
    position: relative;
    padding: calc(var(--nav-height) + var(--sp-3xl)) 0 var(--sp-3xl);
    background: var(--gradient-hero);
    text-align: center;
    overflow: hidden;
}

.features-hero__blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    pointer-events: none;
    animation: gradient-shift 8s ease-in-out infinite;
}

.features-hero__blob--1 {
    width: 400px;
    height: 400px;
    background: rgba(20, 184, 166, 0.12);
    top: -80px;
    right: -60px;
}

.features-hero__blob--2 {
    width: 300px;
    height: 300px;
    background: rgba(99, 102, 241, 0.08);
    bottom: -40px;
    left: -80px;
    animation-delay: -3s;
}

.features-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(20, 184, 166, 0.06);
    border: 1px solid rgba(20, 184, 166, 0.15);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--color-primary-dark);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--sp-lg);
}

.features-hero__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--sp-md);
    position: relative;
}

.features-hero__subtitle {
    font-size: var(--fs-lg);
    color: var(--color-text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ── Sticky Sub-navigation ── */
.features-subnav {
    position: sticky;
    top: var(--nav-height);
    z-index: 900;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--ease-base);
}

.features-subnav--shadow {
    box-shadow: var(--shadow-sm);
}

.features-subnav__inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-xl);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: 52px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.features-subnav__inner::-webkit-scrollbar {
    display: none;
}

.features-subnav__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    white-space: nowrap;
    padding: 6px 0;
    border-bottom: 2px solid transparent;
    transition: all var(--ease-fast);
}

.features-subnav__link:hover {
    color: var(--color-primary);
}

.features-subnav__link--active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.features-subnav__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.features-subnav__dot--teal   { background: var(--color-primary); }
.features-subnav__dot--green  { background: var(--color-success); }
.features-subnav__dot--purple { background: var(--color-secondary); }
.features-subnav__dot--amber  { background: var(--color-warning); }

/* ── Contour Section ── */
.contour {
    padding: var(--sp-4xl) 0;
}

.contour:nth-child(even) {
    background: var(--color-bg-secondary);
}

.contour__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--sp-3xl);
}

.contour__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--sp-md);
}

.contour__icon--teal   { background: rgba(20, 184, 166, 0.08); color: var(--color-primary); }
.contour__icon--green  { background: rgba(16, 185, 129, 0.08); color: var(--color-success); }
.contour__icon--purple { background: rgba(99, 102, 241, 0.08); color: var(--color-secondary); }
.contour__icon--amber  { background: rgba(245, 158, 11, 0.08); color: var(--color-warning); }

.contour__tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: var(--color-primary-dim);
    border: 1px solid rgba(20, 184, 166, 0.15);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--color-primary-dark);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--sp-md);
}

.contour__tag--green {
    background: rgba(16, 185, 129, 0.06);
    border-color: rgba(16, 185, 129, 0.15);
    color: #059669;
}

.contour__tag--purple {
    background: rgba(99, 102, 241, 0.06);
    border-color: rgba(99, 102, 241, 0.15);
    color: var(--color-secondary);
}

.contour__tag--amber {
    background: rgba(245, 158, 11, 0.06);
    border-color: rgba(245, 158, 11, 0.15);
    color: #d97706;
}

.contour__title {
    font-size: var(--fs-4xl);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: var(--sp-sm);
}

.contour__subtitle {
    font-size: var(--fs-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ── Sub-feature Block ── */
.subfeat {
    margin-bottom: var(--sp-3xl);
}

.subfeat:last-child {
    margin-bottom: 0;
}

.subfeat__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-3xl);
    align-items: start;
}

.subfeat__grid--reverse {
    direction: rtl;
}

.subfeat__grid--reverse > * {
    direction: ltr;
}

.subfeat__content {
    display: flex;
    flex-direction: column;
    gap: var(--sp-md);
}

.subfeat__label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: var(--font-mono);
}

.subfeat__title {
    font-size: var(--fs-2xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.subfeat__desc {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.subfeat__list {
    display: flex;
    flex-direction: column;
    gap: var(--sp-sm);
    margin-top: var(--sp-sm);
}

.subfeat__list li {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-sm);
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.subfeat__list li svg {
    flex-shrink: 0;
    margin-top: 3px;
    color: var(--color-primary);
}

.subfeat__highlight {
    display: flex;
    align-items: center;
    gap: var(--sp-md);
    padding: var(--sp-md) var(--sp-lg);
    background: var(--color-primary-dim);
    border: 1px solid rgba(20, 184, 166, 0.15);
    border-radius: var(--radius-md);
    margin-top: var(--sp-md);
}

.subfeat__highlight-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
}

.subfeat__highlight-text {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--color-text);
}

.subfeat__highlight-text span {
    display: block;
    font-weight: 400;
    font-size: var(--fs-xs);
    color: var(--color-text-secondary);
}

/* ── Visual Panel Additions ── */
.vpanel__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--sp-sm) 0;
    border-bottom: 1px solid var(--color-border-subtle);
}

.vpanel__row:last-child {
    border-bottom: none;
}

/* stat-box color variants */
.stat-box--teal .stat-box__val   { color: var(--color-primary); }
.stat-box--green .stat-box__val  { color: var(--color-success); }
.stat-box--purple .stat-box__val { color: var(--color-secondary); }
.stat-box--amber .stat-box__val  { color: var(--color-warning); }

/* progress bar warning variant */
.progress-bar__fill--warning {
    background: linear-gradient(135deg, var(--color-warning), #fbbf24);
}

.progress-bar__fill--success {
    background: var(--gradient-primary);
}

/* ── Contract Row ── */
.contract-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--sp-sm);
    transition: border-color var(--ease-fast);
}

.contract-row:last-child {
    margin-bottom: 0;
}

.contract-row:hover {
    border-color: var(--color-border-hover);
}

.contract-row__info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.contract-row__name {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--color-text);
}

.contract-row__meta {
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
}

.contract-row__badge {
    display: inline-flex;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    font-weight: 600;
    white-space: nowrap;
}

.contract-row__badge--active {
    background: rgba(16, 185, 129, 0.08);
    color: var(--color-success);
}

.contract-row__badge--renewal {
    background: rgba(245, 158, 11, 0.08);
    color: var(--color-warning);
}

.contract-row__badge--fulfilled {
    background: rgba(99, 102, 241, 0.08);
    color: var(--color-secondary);
}

/* ── Mobile App Sub-feature Grid ── */
.subfeat__phones {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-2xl);
    margin-top: var(--sp-2xl);
}

.subfeat__phone-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ── Integrations Section ── */
.integ {
    padding: var(--sp-4xl) 0;
}

.integ__header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--sp-3xl);
}

.integ__title {
    font-size: var(--fs-3xl);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: var(--sp-sm);
}

.integ__subtitle {
    font-size: var(--fs-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.integ__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--sp-lg);
}

.integ__card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--sp-xl);
    text-align: center;
    transition: all var(--ease-base);
}

.integ__card:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.integ__card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--sp-md);
    color: var(--color-primary);
}

.integ__card-title {
    font-size: var(--fs-sm);
    font-weight: 700;
    margin-bottom: var(--sp-xs);
}

.integ__card-desc {
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* ── Features CTA ── */
.features-cta {
    text-align: center;
    padding: var(--sp-4xl) 0;
    background: var(--color-bg-secondary);
}

.features-cta__title {
    font-size: var(--fs-3xl);
    font-weight: 800;
    margin-bottom: var(--sp-md);
}

.features-cta__text {
    font-size: var(--fs-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--sp-xl);
}

/* ── Forecast Rows ── */
.forecast-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-sm) var(--sp-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--sp-sm);
}

.forecast-row:last-child {
    margin-bottom: 0;
}

.forecast-row__label {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-text);
}

.forecast-row__value {
    font-size: var(--fs-sm);
    font-weight: 700;
    font-family: var(--font-mono);
}

.forecast-row__value--up {
    color: var(--color-success);
}

.forecast-row__value--neutral {
    color: var(--color-primary);
}

.forecast-row__value--down {
    color: var(--color-error);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .subfeat__grid {
        grid-template-columns: 1fr;
        gap: var(--sp-xl);
    }

    .subfeat__grid--reverse {
        direction: ltr;
    }

    .integ__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .subfeat__phones {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--sp-xl);
    }
}

@media (max-width: 768px) {
    .features-hero {
        padding: calc(var(--nav-height) + var(--sp-xl)) 0 var(--sp-xl);
    }

    .features-hero__title {
        font-size: var(--fs-3xl);
    }

    .features-subnav__inner {
        justify-content: flex-start;
        gap: var(--sp-lg);
        padding: 0 var(--container-padding);
    }

    .contour {
        padding: var(--sp-3xl) 0;
    }

    .contour__title {
        font-size: var(--fs-3xl);
    }

    .subfeat__phones {
        grid-template-columns: 1fr;
        gap: var(--sp-2xl);
    }

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

    .contract-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--sp-sm);
    }

    .forecast-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}

@media (max-width: 480px) {
    .features-hero__title {
        font-size: var(--fs-2xl);
    }

    .features-subnav__inner {
        gap: var(--sp-md);
    }

    .subfeat__title {
        font-size: var(--fs-xl);
    }

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

    .stat-grid--3 {
        grid-template-columns: 1fr;
    }
}