/* =====================================================================
   Sufi Platform — Landing stylesheet
   Cinematic, tokens-first. Built on --sb-* design tokens.
   Loaded globally via App.razor (<link href="css/landing.css" />).
   ===================================================================== */

/* TopMenuLayout auto-fills a page header (app name) that duplicates the top bar brand. */
.sb-stack:has(.landing-shell) > .sufi-page-header-bar,
.sb-stack:has(.generic-landing) > .sufi-page-header-bar {
    display: none;
}

/* Full-bleed landing: escape TopMenuLayout container + content padding. */
.sb-stack:has(.landing-shell) .sufi-content-wrapper,
.sb-stack:has(.generic-landing) .sufi-content-wrapper {
    padding: 0;
    background: #050712;
}

.sb-stack:has(.landing-shell) .sufi-content-wrapper > .sb-container,
.sb-stack:has(.generic-landing) .sufi-content-wrapper > .sb-container {
    max-width: none;
    width: 100%;
    padding-inline: 0;
}

/* Generic landing hero: keep canvas inside the page body and show hero reveals immediately. */
.sb-stack:has(.generic-landing) .generic-landing {
    position: relative;
    isolation: isolate;
    min-height: 100%;
    color: var(--text, #e7eaf2);
}

.sb-stack:has(.generic-landing) .generic-landing .global-atmosphere {
    position: absolute;
    inset: 0;
}

.sb-stack:has(.generic-landing) .generic-landing .hero-scene .reveal {
    opacity: 1;
    transform: none;
}

/* Desktop: fit the hero to the shell so the page itself does not scroll. */
@media (min-width: 1100px) {
    html:has(.generic-landing),
    html:has(.generic-landing) body {
        overflow: hidden;
        height: 100%;
    }

    .sb-stack:has(.generic-landing) .sufi-content-wrapper {
        overflow: hidden;
        min-height: 0;
    }

    .sb-stack:has(.generic-landing) .sufi-content-wrapper > .sb-container,
    .sb-stack:has(.generic-landing) .sufi-content-body {
        display: flex;
        flex: 1 1 auto;
        flex-direction: column;
        height: 100%;
        min-height: 0;
    }

    .sb-stack:has(.generic-landing) .generic-landing {
        display: flex;
        flex: 1 1 auto;
        flex-direction: column;
        height: 100%;
        min-height: 0;
        overflow: hidden;
    }

    .sb-stack:has(.generic-landing) .generic-landing #main-content {
        display: flex;
        flex: 1 1 auto;
        flex-direction: column;
        min-height: 0;
    }

    .sb-stack:has(.generic-landing) .generic-landing .hero-scene {
        flex: 1 1 auto;
        height: auto;
        min-height: 0;
        max-height: 100%;
        padding-block: 12px 56px;
    }

    .sb-stack:has(.generic-landing) .generic-landing .hero-layout {
        align-items: stretch;
        height: 100%;
        min-height: 0;
    }

    .sb-stack:has(.generic-landing) .generic-landing .hero-copy {
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .sb-stack:has(.generic-landing) .generic-landing .architecture-stage,
    .sb-stack:has(.generic-landing) .generic-landing .architecture-frame {
        height: 100%;
        min-height: 0;
        max-height: 100%;
    }
}

@media (max-width: 1099px) {
    .sb-stack:has(.generic-landing) .generic-landing .hero-scene {
        min-height: auto;
        padding-block: 24px 48px;
    }
}

/* Host shell owns document direction; keep hero copy readable in mixed locales. */
.sb-stack:has(.generic-landing) .hero-copy,
.sb-stack:has(.generic-landing) .hero-copy h1,
.sb-stack:has(.generic-landing) .hero-lead,
.sb-stack:has(.generic-landing) .hero-note {
    max-width: min(690px, 100%);
}

.sb-stack:has(.generic-landing) .hero-copy h1 {
    line-height: 1.16;
}

/* ---------- Page canvas -------------------------------------------------- */

.landing-page {
    position: relative;
    min-height: 100vh;
    background: transparent;
}

.landing-content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: none;
    margin-inline: 0;
    padding-block: var(--sb-space-10);
    padding-inline: 0;
}

/* ---------- Landing shell + aurora background --------------------------- */

.landing-shell {
    position: relative;
    min-height: 100vh;
    isolation: isolate;
    overflow-x: clip;
    background:
        radial-gradient(120% 80% at 50% -10%, color-mix(in srgb, var(--sb-color-primary) 8%, transparent) 0%, transparent 55%),
        var(--sb-color-background);
}

.landing-shell__main {
    position: relative;
    z-index: 1;
    background: transparent;
}

/* ---------- Hero (SEO H1 + subtitle + module slot) --------------------- */

.landing-hero {
    position: relative;
    min-height: min(92vh, 920px);
    display: flex;
    align-items: center;
    justify-content: center;
    isolation: isolate;
    padding-block: var(--sb-space-10) var(--sb-space-8);
    overflow: hidden;
}

.landing-hero__inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sb-space-6);
    width: 100%;
    text-align: center;
    padding-inline: var(--sb-space-4);
}

.landing-hero__copy {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sb-space-4);
    max-width: 46rem;
    padding-block: var(--sb-space-5);
    padding-inline: var(--sb-space-5);
}

.landing-hero__title { order: 1; }
.landing-hero__slot { order: 2; }
.landing-hero__subtitle { order: 3; }

.landing-hero__copy::before {
    content: "";
    position: absolute;
    inset: -10% -14%;
    z-index: -1;
    pointer-events: none;
    background: radial-gradient(
        ellipse 72% 68% at 50% 42%,
        color-mix(in srgb, var(--sb-color-background) 82%, transparent) 0%,
        color-mix(in srgb, var(--sb-color-background) 48%, transparent) 52%,
        transparent 78%
    );
}

.landing-hero__title {
    font-size: clamp(2.25rem, 5.5vw, 4rem);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.025em;
    color: var(--sb-on-surface);
    margin: 0;
    padding-block: var(--sb-space-1);
    text-wrap: balance;
    text-shadow:
        0 2px 28px color-mix(in srgb, var(--sb-color-background) 90%, transparent),
        0 0 48px color-mix(in srgb, var(--sb-color-background) 55%, transparent);
}

.landing-hero__slot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4em;
    margin: 0;
    min-height: 2.5rem;
    min-inline-size: 12rem;
    padding: 0.5rem 1.25rem;
    border-radius: var(--sb-radius-lg, 0.75rem);
    border: 1px solid color-mix(in srgb, var(--sb-color-primary) 48%, transparent);
    background: color-mix(
        in srgb,
        var(--sb-color-surface-container-high, var(--sb-color-surface)) 82%,
        var(--sb-color-primary) 18%
    );
    box-shadow:
        inset 0 1px 0 color-mix(in srgb, var(--sb-on-surface) 14%, transparent),
        0 0 0 1px color-mix(in srgb, var(--sb-color-primary) 12%, transparent),
        0 12px 36px color-mix(in srgb, var(--sb-color-background) 45%, transparent),
        0 0 28px color-mix(in srgb, var(--sb-color-primary) 16%, transparent);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    font-size: clamp(1.05rem, 2.3vw, 1.25rem);
    font-weight: 650;
    letter-spacing: -0.01em;
    color: var(--sb-on-surface);
    line-height: 1.2;
}

.landing-hero__slot-prefix {
    color: var(--sb-color-primary);
    font-weight: 700;
    opacity: 0.95;
}

.landing-hero__slot-word {
    display: inline-block;
    min-inline-size: 7rem;
    text-align: center;
    opacity: 1;
    transform: translateY(0);
    transition:
        opacity 220ms cubic-bezier(0.22, 1, 0.36, 1),
        transform 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

.landing-hero__slot-word.is-fading {
    opacity: 0.25;
    transform: translateY(0.18rem);
}

.landing-hero__subtitle {
    margin: 0;
    max-width: 38rem;
    font-size: clamp(0.95rem, 1.9vw, 1.125rem);
    line-height: 1.65;
    color: color-mix(in srgb, var(--sb-on-surface) 74%, var(--sb-on-surface-variant));
    text-wrap: balance;
    text-shadow:
        0 1px 18px color-mix(in srgb, var(--sb-color-background) 88%, transparent),
        0 0 36px color-mix(in srgb, var(--sb-color-background) 50%, transparent);
}

.landing-hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--sb-space-3);
    margin-top: var(--sb-space-2);
}

@media (max-width: 768px) {
    .landing-hero {
        min-height: auto;
        padding-block: var(--sb-space-8) var(--sb-space-6);
    }

    .landing-hero__copy {
        padding-inline: var(--sb-space-3);
        gap: var(--sb-space-3);
    }

    .landing-hero__copy::before {
        inset: -4% -6%;
    }

    .landing-hero__actions {
        flex-direction: column;
        width: 100%;
    }

    .landing-hero__actions > * {
        width: 100%;
    }

    .landing-hero__slot {
        min-inline-size: 0;
        max-width: 100%;
    }

    .landing-hero__slot-word {
        min-inline-size: 5.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .landing-hero,
    .landing-hero__title,
    .landing-hero__slot-word {
        transition: none;
        animation: none;
    }

    .landing-hero__slot-word,
    .landing-hero__slot-word.is-fading {
        opacity: 1;
        transform: none;
    }
}

/* ---------- Pure-HTML primitives (no Sb* components) -------------------- */

/* Inline icon — SVG from SufiIcons.GetSvg rendered via LandingIcon.razor.
   Uses stroke="currentColor", so it inherits color from its container. */
.landing-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 0;
}

.landing-icon svg {
    display: block;
    width: 1em;
    height: 1em;
}

/* Anchor-styled buttons (SSR-safe, no OnClick/JS needed). */
.landing-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 3rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--sb-radius-full);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 0.2s ease,
                background 0.2s ease,
                border-color 0.2s ease,
                color 0.2s ease;
}

.landing-btn--solid {
    background: var(--sb-color-primary);
    color: var(--sb-color-on-primary);
    box-shadow: var(--sb-shadow-md);
}

.landing-btn--solid:hover {
    transform: translateY(-2px);
    box-shadow: var(--sb-shadow-lg);
}

.landing-btn--outline {
    background: transparent;
    color: var(--sb-on-surface);
    border: 1px solid color-mix(in srgb, var(--sb-outline) 55%, transparent);
}

.landing-btn--outline:hover {
    transform: translateY(-2px);
    border-color: var(--sb-color-primary);
    color: var(--sb-color-primary);
}

.landing-btn:focus-visible {
    outline: 2px solid var(--sb-color-primary);
    outline-offset: 2px;
}

.landing-aurora {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.landing-aurora__blob {
    position: absolute;
    display: block;
    width: 42rem;
    height: 42rem;
    max-width: 60vw;
    max-height: 60vw;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.55;
    will-change: transform;
}

.landing-aurora__blob--1 {
    top: -12rem;
    left: -10rem;
    background: radial-gradient(circle at 30% 30%, color-mix(in srgb, var(--sb-color-primary) 70%, transparent), transparent 70%);
    animation: landing-aurora-drift-1 38s ease-in-out infinite;
}

.landing-aurora__blob--2 {
    top: 20%;
    right: -14rem;
    background: radial-gradient(circle at 60% 40%, color-mix(in srgb, var(--sb-color-secondary) 60%, transparent), transparent 70%);
    animation: landing-aurora-drift-2 46s ease-in-out infinite;
}

.landing-aurora__blob--3 {
    bottom: -16rem;
    left: 30%;
    background: radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--sb-color-tertiary, var(--sb-color-primary)) 50%, transparent), transparent 70%);
    animation: landing-aurora-drift-3 54s ease-in-out infinite;
}

@keyframes landing-aurora-drift-1 {
    0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(4rem, 3rem, 0) scale(1.08); }
}

@keyframes landing-aurora-drift-2 {
    0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(-3rem, 4rem, 0) scale(1.12); }
}

@keyframes landing-aurora-drift-3 {
    0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(2rem, -3rem, 0) scale(1.06); }
}

/* ---------- Scroll-reveal primitive (native, progressive enhancement) -- */
/* Gated by @supports so non-Chromium browsers render content visibly.     */

@supports (animation-timeline: view()) {
    [data-reveal] {
        opacity: 0;
        transform: translateY(22px);
        animation: landing-reveal linear both;
        animation-timeline: view();
        animation-range: entry 6% cover 26%;
    }
}

@keyframes landing-reveal {
    to { opacity: 1; transform: none; }
}

/* ---------- Chapter system --------------------------------------------- */

.chapter {
    position: relative;
    margin-block: var(--sb-space-10);
    padding-block: var(--sb-space-2);
    scroll-margin-top: var(--sb-space-8);
}

.chapter + .chapter {
    border-top: 1px solid color-mix(in srgb, var(--sb-outline) 28%, transparent);
}

.chapter[data-accent="primary"]   { --chapter-accent: var(--sb-color-primary); }
.chapter[data-accent="success"]   { --chapter-accent: var(--sb-color-success); }
.chapter[data-accent="secondary"] { --chapter-accent: var(--sb-color-secondary); }
.chapter[data-accent="info"]      { --chapter-accent: var(--sb-color-info); }
.chapter[data-accent="warning"]   { --chapter-accent: var(--sb-color-warning); }
.chapter[data-accent="neutral"]   { --chapter-accent: var(--sb-outline); }

.chapter__head {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--sb-space-5);
    align-items: start;
    max-width: 56rem;
    margin: 0 auto var(--sb-space-8);
    text-align: center;
}

.chapter__index {
    grid-column: 1 / -1;
    justify-self: center;
    font-size: clamp(4rem, 11vw, 7.5rem);
    font-weight: 800;
    line-height: 0.9;
    letter-spacing: -0.04em;
    color: transparent;
    -webkit-text-stroke: 1px color-mix(in srgb, var(--chapter-accent) 45%, transparent);
    background: linear-gradient(180deg, color-mix(in srgb, var(--chapter-accent) 22%, transparent), transparent 80%);
    -webkit-background-clip: text;
    background-clip: text;
    user-select: none;
    margin-bottom: var(--sb-space-2);
}

.chapter__heading {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    gap: var(--sb-space-2);
    align-items: center;
}

.chapter__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--chapter-accent);
}

.chapter__eyebrow::before {
    content: "";
    width: 1.5rem;
    height: 1px;
    background: var(--chapter-accent);
    opacity: 0.6;
}

.chapter__title {
    margin: 0;
    font-size: clamp(1.75rem, 3.6vw, 2.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    text-wrap: balance;
    color: var(--sb-on-surface);
    background: linear-gradient(180deg, var(--sb-on-surface) 0%, color-mix(in srgb, var(--sb-on-surface) 70%, var(--chapter-accent)) 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.chapter__subtitle {
    margin: 0;
    max-width: 48rem;
    font-size: clamp(0.9375rem, 1.6vw, 1.0625rem);
    line-height: 1.6;
    color: var(--sb-on-surface-variant);
    text-wrap: pretty;
}

/* ---------- Feature cards ---------------------------------------------- */

.chapter__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
    row-gap: var(--sb-space-12);
    column-gap: var(--sb-space-6);
}

/* Card basis targets the desired column count per breakpoint. max-width caps
   growth so a partial last row centers instead of leaving one stretched
   orphan card (e.g. 5 cards in a 4-up chapter). */
.chapter__grid[data-cols-sm="2"] { --card-basis: 20rem; }
.chapter__grid[data-cols-sm="3"] { --card-basis: 17rem; }
.chapter__grid[data-cols-sm="4"] { --card-basis: 15rem; }

@media (min-width: 768px) {
    .chapter__grid[data-cols-md="2"] { --card-basis: 36rem; }
    .chapter__grid[data-cols-md="3"] { --card-basis: 23rem; }
    .chapter__grid[data-cols-md="4"] { --card-basis: 17rem; }
    .chapter__grid[data-cols-md="5"] { --card-basis: 13rem; }
}

.feature-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--sb-space-4);
    flex: 1 1 var(--card-basis, 16rem);
    max-width: var(--card-basis, 16rem);
    min-width: 0;
    padding: var(--sb-space-6);
    overflow: hidden;
    border-radius: var(--sb-radius-xl);
    background: var(--sb-color-surface);
    border: 1px solid color-mix(in srgb, var(--sb-outline) 45%, transparent);
    box-shadow: var(--sb-shadow-md);
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 0.28s cubic-bezier(0.22, 1, 0.36, 1),
                border-color 0.28s ease;
}

.feature-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: linear-gradient(90deg, var(--chapter-accent), color-mix(in srgb, var(--chapter-accent) 0%, transparent));
    opacity: 0.7;
}

.feature-card::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(120% 90% at 50% 0%, color-mix(in srgb, var(--chapter-accent) 10%, transparent), transparent 55%);
    opacity: 0;
    transition: opacity 0.28s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--chapter-accent) 50%, transparent);
    box-shadow: var(--sb-shadow-lg);
}

.feature-card:hover::after { opacity: 1; }

.feature-card__header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--sb-space-2) var(--sb-space-3);
}

.feature-card__lead {
    display: flex;
    align-items: center;
    gap: var(--sb-space-3);
    min-width: 0;
}

.feature-card__icon-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    flex-shrink: 0;
    font-size: 1.5rem;
    border-radius: var(--sb-radius-lg);
    background: color-mix(in srgb, var(--chapter-accent) 12%, transparent);
    color: var(--chapter-accent);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--chapter-accent) 26%, transparent);
}

.feature-card__title {
    margin: 0;
    font-size: 1.0625rem;
    font-weight: 650;
    line-height: 1.35;
    color: var(--sb-on-surface);
    text-wrap: balance;
    /* Long CRM/CMS titles: keep lead row readable without crushing icons */
    hyphens: auto;
}

.feature-card__lead .feature-card__title {
    flex: 1 1 auto;
    min-width: 0;
}

.feature-card__desc {
    margin: 0;
    margin-block-start: auto;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--sb-on-surface-variant);
    text-wrap: pretty;
}

.feature-card__badges {
    display: inline-flex;
    flex-wrap: wrap;
    align-content: center;
    justify-content: flex-start;
    gap: 0.375rem;
    flex: 1 1 100%;
    margin-top: 0;
}

/* ---------- Badges ----------------------------------------------------- */

.category-badge,
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.55rem;
    border-radius: var(--sb-radius-full);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
    line-height: 1.5;
}

.category-badge {
    background: var(--sb-color-primary);
    color: var(--sb-color-on-primary);
}

.status-badge::before {
    content: "";
    width: 0.4rem;
    height: 0.4rem;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.9;
}

.status-alpha .status-badge {
    background: var(--sb-color-info-light);
    color: var(--sb-color-info);
}

.status-next .status-badge {
    background: var(--sb-color-warning-light);
    color: var(--sb-color-warning);
}

.status-future .status-badge {
    background: var(--sb-color-surface-variant);
    color: var(--sb-on-surface-variant);
}

/* Delivery-state card tones — subtle, driven by the top accent + badge.
   No left border (avoids the cluttered double-accent look). */
.status-future {
    opacity: 0.78;
    border-style: dashed;
    border-color: color-mix(in srgb, var(--sb-outline) 55%, transparent);
}

.status-future::before { opacity: 0.35; }

.status-future:hover {
    transform: none;
    box-shadow: var(--sb-shadow-sm);
}

.status-future:hover::after { opacity: 0; }

/* ---------- Status legend ---------------------------------------------- */

.status-legend {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--sb-space-3) var(--sb-space-5);
    max-width: 56rem;
    margin: 0 auto var(--sb-space-10);
    padding: var(--sb-space-4) var(--sb-space-5);
    border-radius: var(--sb-radius-xl);
    background: color-mix(in srgb, var(--sb-color-surface) 80%, transparent);
    border: 1px solid color-mix(in srgb, var(--sb-outline) 26%, transparent);
    backdrop-filter: blur(8px);
}

.status-legend__title {
    margin: 0;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--sb-on-surface-variant);
}

.status-legend__items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sb-space-3) var(--sb-space-5);
    align-items: center;
}

.status-legend__item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
}

.status-legend__dot {
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-legend__dot--alpha { background: var(--sb-color-info); }
.status-legend__dot--next { background: var(--sb-color-warning); }
.status-legend__dot--future {
    background: transparent;
    border: 1.5px dashed var(--sb-outline);
}

.status-legend__label {
    font-size: 0.8125rem;
    font-weight: 650;
    color: var(--sb-on-surface);
}

.status-legend__desc {
    font-size: 0.8125rem;
    color: var(--sb-on-surface-variant);
}

/* ---------- CTA footer ------------------------------------------------- */

.cta-footer {
    position: relative;
    margin-block: var(--sb-space-12) var(--sb-space-10);
    padding-block: var(--sb-space-10);
    padding-inline: var(--sb-space-6);
    text-align: center;
    border-radius: var(--sb-radius-2xl);
    overflow: hidden;
    isolation: isolate;
    background:
        radial-gradient(80% 120% at 50% 0%, color-mix(in srgb, var(--sb-color-primary) 22%, transparent), transparent 70%),
        color-mix(in srgb, var(--sb-color-surface) 88%, transparent);
    border: 1px solid color-mix(in srgb, var(--sb-color-primary) 32%, transparent);
    box-shadow: var(--sb-shadow-lg);
}

.cta-footer::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: conic-gradient(from 180deg at 50% 50%, transparent, color-mix(in srgb, var(--sb-color-primary) 18%, transparent), transparent 60%);
    opacity: 0.5;
    animation: cta-shimmer 18s linear infinite;
}

@keyframes cta-shimmer {
    to { transform: rotate(360deg); }
}

.cta-footer__title {
    margin: 0 0 var(--sb-space-2);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
    text-wrap: balance;
    color: var(--sb-on-surface);
}

.cta-footer__subtitle {
    margin: 0 auto var(--sb-space-6);
    max-width: 44rem;
    font-size: clamp(0.9375rem, 1.6vw, 1.0625rem);
    line-height: 1.6;
    color: var(--sb-on-surface-variant);
    text-wrap: pretty;
}

.cta-footer__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--sb-space-3);
}

.cta-footer__hint {
    margin-top: var(--sb-space-4);
    font-size: 0.8125rem;
    color: var(--sb-on-surface-variant);
}

/* ---------- Responsive ------------------------------------------------- */

@media (max-width: 767px) {
    .chapter__head { gap: var(--sb-space-3); }
    .feature-card { padding: var(--sb-space-4); }
    .cta-footer { padding-inline: var(--sb-space-4); }
}

/* ---------- Reduced motion --------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
    .landing-aurora__blob,
    .cta-footer::before {
        animation: none !important;
    }

    [data-reveal] {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }

    .feature-card,
    .feature-card::after {
        transition: none !important;
    }
}