/**
 * The AVIDICO Model — editorial section (model page + home)
 */

.avidico-model-section {
    position: relative;
    padding: clamp(3rem, 6vw, 5rem) 0;
    background: transparent;
    overflow: hidden;
}

.avidico-model-section--page {
    padding-top: clamp(2rem, 4vw, 3rem);
}

.ams-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(15rem, 20rem);
    gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
}

.ams-content {
    min-width: 0;
}

/* ── Lede ── */
.ams-eyebrow {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0 0 var(--space-4);
    padding: 0;
    border: none;
    background: none;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
}

.ams-eyebrow__rule {
    display: block;
    width: 2.5rem;
    height: 1px;
    background: linear-gradient(90deg, #6c4dff 0%, #2e6bff 55%, #25b8f5 100%);
}

.ams-title {
    margin: 0 0 var(--space-3);
    font-size: clamp(1.9rem, 3.6vw, 3rem) !important;
    font-weight: 400;
    line-height: 1.08;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
}

.ams-subtitle {
    margin: 0;
    max-width: 34rem;
    font-size: clamp(0.9rem, 1.2vw, 1rem);
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.ams-positioning {
    margin: var(--space-3) 0 0;
    max-width: 34rem;
    font-size: 0.8125rem;
    line-height: 1.65;
    color: var(--color-text-muted);
}

/* ── Statement ── */
.ams-statement {
    position: relative;
    max-width: 34rem;
    margin: clamp(1.75rem, 3vw, 2.5rem) 0 0;
    padding-top: var(--space-5);
}

.ams-statement::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 2rem;
    height: 1px;
    background: var(--color-border-default);
}

.ams-statement p {
    margin: 0 0 var(--space-3);
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.ams-statement p:last-child {
    margin-bottom: 0;
}

.ams-statement__lead {
    font-size: 0.9375rem !important;
    font-weight: 600;
    color: var(--color-text-primary) !important;
}

/* ── Four stages ── */
.ams-stages {
    list-style: none;
    margin: clamp(2rem, 4vw, 3rem) 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(1rem, 2vw, 2rem);
}

.ams-stage {
    position: relative;
    min-width: 0;
}

.ams-stage__head {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: var(--space-4);
}

/* Connector line + arrow between stage heads */
.ams-stage:not(:last-child) .ams-stage__head::after {
    content: "";
    position: absolute;
    left: calc(100% + 0.35rem);
    top: 50%;
    width: clamp(0.75rem, 2vw, 1.75rem);
    height: 1px;
    background: linear-gradient(90deg, rgba(57, 198, 244, 0.45), rgba(57, 198, 244, 0.05));
    transform: translateY(-50%);
}

.ams-stage__badge {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 50%;
    border: 1px solid var(--color-border-default);
    background: rgba(9, 20, 32, 0.9);
    font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", monospace;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    transition:
        border-color var(--duration-normal) var(--ease-standard),
        color var(--duration-normal) var(--ease-standard),
        box-shadow var(--duration-normal) var(--ease-standard);
}

.ams-stage:first-child .ams-stage__badge {
    border-color: rgba(57, 198, 244, 0.6);
    color: var(--color-text-primary);
    box-shadow: 0 0 18px rgba(46, 107, 255, 0.28);
}

.ams-stage:hover .ams-stage__badge {
    border-color: rgba(57, 198, 244, 0.6);
    color: var(--color-text-primary);
    box-shadow: 0 0 18px rgba(46, 107, 255, 0.22);
}

.ams-stage__icon {
    font-size: 0.95rem;
    color: var(--color-accent-primary-edge);
    opacity: 0.9;
}

.ams-stage__label {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-text-primary);
    line-height: 1.2;
}

.ams-stage__desc {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.ams-stage__points {
    list-style: none;
    margin: var(--space-4) 0 0;
    padding: 0;
    display: grid;
    gap: 0.35rem;
}

.ams-stage__points li {
    position: relative;
    padding-left: 0.85rem;
    font-size: 0.75rem;
    line-height: 1.5;
    color: var(--color-text-secondary);
}

.ams-stage__points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--color-accent-primary-edge);
    opacity: 0.75;
}

.ams-stage__outcome {
    position: relative;
    margin: var(--space-4) 0 0;
    padding-top: var(--space-3);
    font-size: 0.75rem;
    line-height: 1.6;
    color: var(--color-text-muted);
}

.ams-stage__outcome::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 1.5rem;
    height: 1px;
    background: var(--color-border-default);
}

/* ── System stack visual ── */
.ams-stack {
    position: relative;
    min-width: 0;
    padding: var(--space-4) 0 var(--space-4) var(--space-2);
}

.ams-stack__list {
    position: relative;
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: clamp(1.25rem, 2.5vw, 2.15rem);
}

/* Vertical connector running through the glyph column */
.ams-stack__list::before {
    content: "";
    position: absolute;
    left: 1.45rem;
    top: 1.5rem;
    bottom: 1.5rem;
    width: 1px;
    background: linear-gradient(180deg,
            rgba(108, 77, 255, 0.05) 0%,
            rgba(46, 107, 255, 0.55) 25%,
            rgba(37, 184, 245, 0.55) 75%,
            rgba(37, 184, 245, 0.05) 100%);
}

.ams-stack__list::after {
    content: "";
    position: absolute;
    left: 1.4rem;
    top: 1.5rem;
    bottom: 1.5rem;
    width: 3px;
    border-radius: 2px;
    background-image: linear-gradient(180deg, transparent 0%, #39c6f4 50%, transparent 100%);
    background-size: 100% 4rem;
    background-repeat: no-repeat;
    opacity: 0.8;
    animation: amsFlow 6s linear infinite;
}

.ams-stack__node {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 0;
}

.ams-stack__glyph {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 2.9rem;
    height: 2.9rem;
    border: 1px solid rgba(57, 198, 244, 0.32);
    background: linear-gradient(150deg, rgba(46, 107, 255, 0.14) 0%, rgba(9, 20, 32, 0.95) 70%);
    transform: rotate(45deg);
    color: var(--color-accent-primary-edge);
    font-size: 0.95rem;
    animation: amsGlyphPulse 7s ease-in-out infinite;
}

.ams-stack__glyph > i {
    transform: rotate(-45deg);
}

.ams-stack__node:nth-child(2) .ams-stack__glyph {
    animation-delay: -1.4s;
}

.ams-stack__node:nth-child(3) .ams-stack__glyph {
    animation-delay: -2.8s;
}

.ams-stack__node:nth-child(4) .ams-stack__glyph {
    animation-delay: -4.2s;
}

.ams-stack__node:nth-child(5) .ams-stack__glyph {
    animation-delay: -5.6s;
}

/* Lead node renders as a capsule instead of a diamond */
.ams-stack__node--lead .ams-stack__glyph {
    width: auto;
    height: auto;
    padding: 0.55rem 0.9rem;
    gap: 0.5rem;
    grid-auto-flow: column;
    align-items: center;
    border-radius: var(--radius-sm);
    transform: none;
    animation: none;
}

.ams-stack__node--lead .ams-stack__glyph > i {
    transform: none;
}

.ams-stack__glyph-label {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--color-text-primary);
}

.ams-stack__body {
    min-width: 0;
}

.ams-stack__label {
    margin: 0 0 0.2rem;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--color-text-primary);
}

.ams-stack__tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.3rem;
    margin: 0;
    font-size: 0.625rem;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
}

.ams-stack__tags span:not(:last-child)::after {
    content: "·";
    margin-left: 0.3rem;
    color: var(--color-border-strong);
}

@keyframes amsFlow {
    0% {
        background-position: 0 -4rem;
    }

    100% {
        background-position: 0 calc(100% + 4rem);
    }
}

@keyframes amsGlyphPulse {

    0%,
    100% {
        border-color: rgba(57, 198, 244, 0.28);
        box-shadow: 0 0 0 rgba(46, 107, 255, 0);
    }

    50% {
        border-color: rgba(57, 198, 244, 0.6);
        box-shadow: 0 0 18px rgba(46, 107, 255, 0.22);
    }
}

/* ── Responsive ── */
@media (max-width: 1199.98px) {
    .ams-grid {
        grid-template-columns: minmax(0, 1fr) minmax(13rem, 16rem);
        gap: clamp(1.5rem, 3vw, 2.5rem);
    }

    .ams-stages {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: clamp(1.5rem, 3vw, 2.25rem);
    }

    .ams-stage:not(:last-child) .ams-stage__head::after {
        display: none;
    }
}

@media (max-width: 991.98px) {
    .ams-grid {
        grid-template-columns: 1fr;
    }

    .ams-stack {
        max-width: 24rem;
        padding-left: 0;
    }
}

@media (max-width: 575.98px) {
    .ams-stages {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .ams-stack__list {
        gap: var(--space-5);
    }
}

@media (prefers-reduced-motion: reduce) {

    .ams-stack__glyph,
    .ams-stack__list::after {
        animation: none;
    }

    .ams-stage__badge {
        transition: none;
    }
}