/* Features page styles (supplements style.css) */

.features-hero {
    padding: 9rem 2rem 3rem;
    text-align: center;
}

.features-headline {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.features-hero .accent-rule {
    margin: 1rem auto 1.25rem;
}

.features-sub {
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--text-muted);
    max-width: 520px;
    margin: 0 auto;
}

/* Feature card grid */
.section-features {
    padding-top: 0;
}

.feature-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    row-gap: 3.5rem;
}

.feature-card {
    display: flex;
    flex-direction: column;
    padding: 0;
    border: 1px solid var(--border);
    background: #fff;
    text-decoration: none;
    color: inherit;
    position: relative;
    transition:
        border-color 0.2s,
        background 0.2s,
        opacity 0.6s ease-out,
        transform 0.6s ease-out;
}

.feature-card:hover {
    border-color: var(--accent-border);
}

.feature-card::before,
.feature-card::after {
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
    pointer-events: none;
    z-index: 2;
    transition: border-color 0.2s;
}

.feature-card::before {
    top: -1px;
    left: -1px;
    border-top: 2px solid var(--border-bracket);
    border-left: 2px solid var(--border-bracket);
}

.feature-card::after {
    bottom: -1px;
    right: -1px;
    border-bottom: 2px solid var(--border-bracket);
    border-right: 2px solid var(--border-bracket);
}

.feature-card:hover::before,
.feature-card:hover::after {
    border-color: var(--accent);
}

/* Screenshot area */
.feature-card-visual {
    position: relative;
    overflow: hidden;
    background: rgba(234, 88, 12, 0.15);
    aspect-ratio: 16 / 8;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-card-icon {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    z-index: 2;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: none;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.feature-card-icon svg {
    width: 1rem;
    height: 1rem;
    color: var(--accent);
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.feature-card-visual::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to bottom, transparent, rgba(234, 88, 12, 0.15));
    z-index: 1;
    pointer-events: none;
}

.feature-card-visual.is-placeholder::after {
    display: none;
}

.feature-card-img {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top left;
    transition: transform 0.35s ease;
}

.feature-card:hover .feature-card-img:not(.is-broken) {
    transform: scale(1.04);
}

/* When image fails to load, hide it and show placeholder state */
.feature-card-img.is-broken {
    display: none;
}

/* Large background icon — hidden when screenshot loads */
.feature-card-bg-icon {
    display: none;
}

.feature-card-visual.is-placeholder .feature-card-bg-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.5rem;
    height: 3.5rem;
    opacity: 0.15;
}

.feature-card-visual.is-placeholder .feature-card-bg-icon svg {
    width: 3.5rem;
    height: 3.5rem;
    color: var(--accent);
    fill: none;
    stroke: currentColor;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Card body */
.feature-card-body {
    padding: 1rem 1.25rem 1.25rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.feature-card-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--text-sec);
    margin: 0 0 1rem;
    flex: 1;
}

.feature-card-link {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    transition: color 0.15s;
}

.feature-card-link .arrow {
    display: inline-block;
    margin-left: 0.25rem;
    transition: transform 0.15s;
}

.feature-card:hover .feature-card-link .arrow {
    transform: translateX(3px);
}

/* Active nav link */
.nav-link-active {
    color: var(--accent) !important;
}

/* ===== Feature detail page ===== */
.feature-detail-hero {
    padding: 9rem 2rem 3rem;
}

.feature-detail-hero .section-wide {
    max-width: var(--wide-w);
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.breadcrumb-link {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.15s;
}

.breadcrumb-link:hover {
    color: var(--accent);
}

.breadcrumb-sep {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--border-bracket);
    letter-spacing: 0.12em;
}

.breadcrumb-current {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
}

.feature-detail-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.feature-detail-hero .accent-rule {
    margin: 1rem 0 1.5rem;
}

.feature-detail-lead {
    font-size: 1.1rem;
    line-height: 1.65;
    color: var(--text-muted);
}

/* Screenshot */
.feature-screenshot {
    margin-top: 3rem;
    margin-left: -2rem;
    margin-right: -2rem;
}

.feature-screenshot img {
    display: block;
    width: 100%;
    height: auto;
}

.feature-screenshot-mobile {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-left: 0;
    margin-right: 0;
}

.feature-screenshot-mobile img {
    width: auto;
    max-height: 800px;
}

/* Problem statement */
.feature-problem {
    padding-bottom: 0;
}

.feature-problem .section-wide {
    max-width: var(--wide-w);
}

.feature-problem-text {
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--text-sec);
    max-width: 680px;
}

.feature-problem-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.feature-problem-list li {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-sec);
    padding-left: 1.25rem;
    position: relative;
}

.feature-problem-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    border: 1.5px solid var(--accent);
    transform: rotate(45deg);
}

/* How it works */
.feature-how {
    padding-top: 2rem;
}

.feature-how .section-wide {
    max-width: var(--wide-w);
}

.feature-how-heading {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 3vw, 1.6rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text);
    margin-bottom: 2rem;
}

.feature-how-steps {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.feature-how-step {
    display: grid;
    grid-template-columns: 3rem 1fr;
    gap: 1.25rem;
    align-items: start;
}

.feature-step-num {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    padding-top: 0.1rem;
}

.feature-step-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text);
    margin-bottom: 0.4rem;
}

.feature-step-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-sec);
}

/* Detail content (capabilities grid) */
.feature-detail-content {
    padding-top: 0;
}

.feature-detail-content .section-wide {
    max-width: var(--wide-w);
}

.feature-detail-section-title {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 3vw, 1.6rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text);
    margin-bottom: 1.5rem;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.detail-grid .panel p {
    font-size: 0.95rem;
}

/* Use cases */
.feature-uses {
    padding-bottom: 0;
}

.feature-uses .section-wide {
    max-width: var(--wide-w);
}

.feature-use-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.feature-use-item {
    padding: 1rem 1.25rem;
    border: 1px solid var(--border);
    background: var(--panel-bg);
}

.feature-use-item strong {
    display: block;
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 0.35rem;
}

.feature-use-item span {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-sec);
}

/* Related features */
.feature-related {
    padding-bottom: 0;
}

.feature-related .section-wide {
    max-width: var(--wide-w);
}

.feature-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.feature-related-link {
    display: block;
    padding: 1rem 1.25rem;
    border: 1px solid var(--border);
    background: var(--panel-bg);
    text-decoration: none;
    transition: border-color 0.2s;
}

.feature-related-link:hover {
    border-color: var(--accent-border);
}

.feature-related-link strong {
    display: block;
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.feature-related-link span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Detail CTA */
.feature-detail-cta {
    text-align: center;
    padding: 3rem 2rem 1rem;
}

/* Extended stagger for card grid (12 children) */
.reveal-stagger.visible > *:nth-child(5) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}
.reveal-stagger.visible > *:nth-child(6) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.5s;
}
.reveal-stagger.visible > *:nth-child(7) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.6s;
}
.reveal-stagger.visible > *:nth-child(8) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.7s;
}
.reveal-stagger.visible > *:nth-child(9) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.8s;
}
.reveal-stagger.visible > *:nth-child(10) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.9s;
}
.reveal-stagger.visible > *:nth-child(11) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 1s;
}
.reveal-stagger.visible > *:nth-child(12) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 1.1s;
}

@media (max-width: 768px) {
    .features-hero {
        padding: 7rem 1.25rem 2rem;
    }

    .feature-detail-hero {
        padding: 7rem 1.25rem 2rem;
    }

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

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

    .feature-use-list {
        grid-template-columns: 1fr;
    }

    .feature-related-grid {
        grid-template-columns: 1fr;
    }

    .feature-how-step {
        grid-template-columns: 2rem 1fr;
    }
}

@media (max-width: 480px) {
    .feature-card-grid {
        grid-template-columns: 1fr;
    }
}