:root,
[data-theme="dg"] {
    /* Primary Brand Colors - Design Gateway Blue */
    --brand:
        /* #0ea5e9 */
        #0B5ED7;
    --brand-dark:
        /* #6366f1 */
        #0e3c82;
    --brand-darker:
        /* #3b82f6 */
        #0A1F44;
    --brand-tint-light: #dbeafe;
    --brand-tint-lighter: #cffafe;
    --accent:
        /* #3b82f6 */
        #00C48C;
    --accent-cyan:
        /* #06b6d4 */
        #00C2FF;

    /* Base Text & Background Colors */
    --text-primary:
        /* #0a0f14 */
        #0B132B;
    --text-secondary:
        /* #2e3541 */
        #282d37;
    --text-dark: #0f172a;
    --text-label: #475569;
    --text-blue: #2563eb;
    --text-white: #ffffff;

    /* Page & Surface Colors (white backgrounds) */
    --page-bg:
        /* #ffffff */
        #F5F7FA;
    --page-bg-secondary: #eaf2ff;
    --card-surface: #ffffff;
    --surface-soft: #d4e4ff;
    --surface-light: #f8fafc;
    --nav-blur: rgba(255, 255, 255, .88);
    --dark-bg: #232a32;

    /* Border Colors - Updated for DG Blue */
    --border-default: #bfdbfe;
    --border-light: #dbeafe;
    --border-table: #f0f9ff;
    --border-select: #dbeafe;
    --border-subtle: #cffafe;

    /* Gray Scale */
    --gray-light: #64748b;
    --gray-soft: #9ca3af;
    --gray-lighter: #e2e8f0;
    --gray-medium: #6b7280;
    --gray-bg: #f3f4f6;
    --gray-dark: #374151;

    /* SVG/Diagram Specific Colors - Updated for DG Blue */
    --svg-title-bg: #0ea5e9;
    --svg-label-primary: #3b82f6;
    --svg-label-secondary: #64748b;
    --svg-container-border: #94a3b8;
    --svg-cpu-bg: #dbeafe;
    --svg-cpu-border: #3b82f6;
    --svg-cpu-inner-bg: #bfdbfe;
    --svg-cpu-text: #0a0f14;
    --svg-pcie-bg: #fef3c7;
    --svg-pcie-border: #b8860b;
    --svg-pcie-text: #664d00;
    --svg-fpga-bg: #e0e7ff;
    --svg-fpga-border: #6366f1;
    --svg-fpga-text: #4f46e5;
    --svg-dma-bg: #bfdbfe;
    --svg-dma-border: #0ea5e9;
    --svg-dma-text: #0369a1;
    --svg-trading-bg: #fef08a;
    --svg-trading-border: #06b6d4;
    --svg-trading-text: #0891b2;
    --svg-ethernet-bg: #f0f9ff;
    --svg-ethernet-border: #0ea5e9;
    --svg-ethernet-text: #0369a1;
    --svg-network-bg: #0ea5e9;
    --svg-network-border: #0369a1;
    --svg-market-bg: #1e293b;
    --svg-market-border: #0a0f14;
    --svg-arrow-default: #3b82f6;
    --svg-arrow-accent: #06b6d4;
    --svg-arrow-gray: #94a3b8;
    --svg-separator: #0ea5e9;
    --svg-tooltip-bg: #dbeafe;
    --svg-tooltip-border: #bfdbfe;
    --svg-tooltip-text: #0369a1;

    /* Modal & Overlay Colors */
    --modal-bg-dark: #0b1220;
    --modal-text-light: #f5f7fb;
    --modal-close: #b8c2d6;
    --modal-backdrop: rgba(10, 15, 20, 0.6);
    --modal-backdrop-dark: rgba(0, 0, 0, 0.55);
    --overlay-bg: rgba(10, 15, 20, 0.55);

    /* Interactive States - Updated for DG Blue */
    --hover-light: #dbeafe;
    --focus-ring-blue: rgba(14, 165, 233, .18);
    --focus-ring-brand: rgba(14, 165, 233, .25);
    --focus-outline-red: #ffe6e6;

    /* Tooltip Colors */
    --tooltip-bg: #0a0f14;
    --tooltip-text: #fff;

    /* Gradient Backgrounds - Updated for DG Blue */
    --feature-bg: linear-gradient(180deg, #fff, #f0f9ff);
    --panel-bg: linear-gradient(0deg, #dbeafe, #ffffff);
    --badge-gradient: linear-gradient(135deg, var(--accent), var(--accent-cyan));
    --badge-new-gradient: var(--brand-darker);
    --card-header-gradient: linear-gradient(135deg, var(--text-primary), var(--brand-dark));
    --cta-gradient: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
    --brand-gradient: linear-gradient(135deg, var(--brand), var(--brand-dark));
    --accent-gradient: linear-gradient(135deg, var(--accent), var(--accent-cyan));

    /* Shadow Definitions */
    --shadow-xs: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 2px 8px rgba(10, 15, 20, 0.25);
    --shadow-card: 0 4px 24px -8px rgba(10, 15, 20, 0.10);
    --shadow-md: 0 6px 20px -6px var(--brand);
    --shadow-lg: 0 8px 40px rgba(10, 15, 20, 0.3);
    --shadow-svg: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 12px 48px rgba(10, 15, 20, 0.35);
    --shadow-demo: 0 10px 30px rgba(0, 0, 0, 0.35);
    --shadow-header: 0 12px 40px -20px rgba(10, 15, 20, .25);

    /* YouTube Brand Colors */
    --youtube-red: #ff0000;
    --youtube-red-dark: #e00000;

    /* Layout Constants */
    --header-h: 76px;
}

/* Fino Green Theme (Alternative) */
[data-theme="fino"] {
    --brand: #1cc58e;
    --brand-dark: #0b8b60;
    --brand-darker: #0A0F14;
    --brand-tint-light: #e8faf5;
    --brand-tint-lighter: #d4f4eb;
    --accent: #a8ff4a;
    --accent-cyan: #0ae0c2;
    --page-bg: #fafffd;
    --page-bg-secondary: #0A0F14;
    --border-default: #d0e4dd;
    --border-light: #e5e7eb;
    --border-table: #f1f5f9;
    --border-select: #e6edf3;
    --border-subtle: #e4f1eb;
    --surface-soft: #f0faf7;
    --surface-light: #f8fbf9;
    --svg-title-bg: #1cc58e;
    --svg-label-primary: #2563eb;
    --svg-cpu-bg: #f0faf7;
    --svg-cpu-border: #4a6b63;
    --svg-cpu-inner-bg: #d4f4eb;
    --svg-fpga-bg: #e8f4f1;
    --svg-fpga-border: #4a6b63;
    --svg-fpga-text: #4a6b63;
    --svg-dma-bg: #d4f4eb;
    --svg-dma-border: #1cc58e;
    --svg-dma-text: #0b8b60;
    --svg-trading-border: #0ae0c2;
    --svg-trading-text: #0b8b60;
    --svg-network-bg: #1cc58e;
    --svg-network-border: #0b8b60;
    --svg-arrow-default: #4a6b63;
    --svg-arrow-accent: #0ae0c2;
    --svg-separator: #1cc58e;
    --svg-tooltip-bg: #f0faf7;
    --svg-tooltip-border: #d0e4dd;
    --svg-tooltip-text: #4a6b63;
    --hover-light: #eef2ff;
    --focus-ring-brand: rgba(28, 197, 142, .25);
    --feature-bg: linear-gradient(180deg, #fff, #f8fbf9);
    --panel-bg: linear-gradient(0deg, #f8fafc, #ffffff);

    /* Fino footer styles - beautiful green theme */
    --cta-bg-fino: linear-gradient(135deg, #0A0F14 0%, #0AE0C2 100%);
    --cta-btn-fino: linear-gradient(135deg, #A8FF4A 0%, #0AE0C2 100%);
    --footer-text-fino: #4a6b63;
}

*,
*::before,
*::after {
    box-sizing: border-box
}

html,
body {
    height: 100%
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-h)
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto
    }
}

body {
    margin: 0;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Inter, Roboto, 'Helvetica Neue', Arial;
    color: var(--text-primary);
    background: var(--page-bg);
    padding-top: var(--header-h)
}

img,
svg,
video,
canvas {
    display: block;
    max-width: 100%
}

a {
    text-decoration: none;
    color: inherit
}

/* Theme-specific footer overrides */
[data-theme="fino"] #aat-cta-shared {
    background: linear-gradient(135deg, var(--brand-darker) 0%, var(--accent-cyan) 100%)
}

[data-theme="fino"] #aat-cta-shared .btn.primary {
    background: var(--brand-darker);
    border: 2px solid var(--accent-cyan);
    color: var(--brand);
    box-shadow: 0 6px 20px 0px var(--brand-darker)
}

[data-theme="fino"] #aat-footer-text {
    color: #4a6b63
}

.container {
    max-width: 1200px;
    margin-inline: auto;
    padding: 0 1rem
}

.grid {
    display: grid;
    gap: 1rem
}

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

/* Responsive flows grid: auto-fill columns with a sensible min width so the number of cards per row adapts */
#flowsGrid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

@media (max-width: 560px) {
    #flowsGrid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media(min-width:900px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr)
    }
}

/* ===== Header (fixed, sticky, scroll-spy) ===== */
header.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: var(--page-bg);
    border-bottom: 1px solid var(--border-default)
}

@media(min-width:900px) {
    .nav-blur {
        position: relative
    }

    .nav-blur::before {
        content: "";
        position: absolute;
        inset: 0;
        background: var(--nav-blur);
        -webkit-backdrop-filter: saturate(180%) blur(10px);
        backdrop-filter: saturate(180%) blur(10px);
        z-index: -1
    }
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .8rem 0;
    gap: .75rem;
    flex-wrap: wrap
}

.brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-weight: 800;
    letter-spacing: .2px;
    flex-wrap: wrap
}

.badge {
    display: inline-grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: var(--brand-gradient);
    color: #fff;
    font-size: .9rem;
    box-shadow: var(--shadow-header)
}

.navlinks {
    display: flex;
    align-items: center;
    gap: .4rem;
    flex-wrap: wrap;
    justify-content: flex-end;
    margin-left: auto
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--page-bg);
    border: 1px solid var(--border-default);
    cursor: pointer;
    z-index: 10001;
    margin-left: auto
}

.hamburger span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    border-radius: 2px;
    transition: .2s
}

/* Responsive adjustments for brand section */
@media(max-width:700px) {
    .brand {
        gap: .4rem;
        font-size: .92rem
    }

    .brand img:first-child {
        height: 40px !important
    }

    .brand img:nth-child(2) {
        height: 24px !important
    }

    #aatPageContainer {
        margin-left: 2px !important
    }
}

@media(max-width:900px) {
    .navlinks {
        position: fixed;
        top: var(--header-h);
        right: 0;
        left: 0;
        background: var(--page-bg);
        border-bottom: 1px solid var(--border-default);
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: .5rem 1rem;
        visibility: hidden;
        opacity: 0;
        pointer-events: none;
        transform: none;
        transition: opacity .3s, visibility .3s;
        box-shadow: 0 8px 24px -12px rgba(15, 23, 42, .12);
        z-index: 10000;
    }

    .navlinks.open {
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
        transform: none;
    }

    .hamburger {
        display: flex;
    }
}

.btn {
    border: 1px solid var(--border-default);
    border-radius: 12px;
    padding: .52rem .9rem;
    background: var(--page-bg);
    cursor: pointer;
    display: inline-block;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1
}

.btn {
    transition: box-shadow .18s, transform .18s, background .18s, color .18s;
}

.btn:hover {
    box-shadow: 0 6px 20px -8px rgb(from var(--dark-bg) r g b / 0.25);
    transform: translateY(-2px) scale(1.04);
}

.btn.cta {
    background: var(--card-surface);
    color: var(--text-primary);
    border: 1px solid var(--accent-cyan);
    border-width: 3px;
    box-shadow: 0 3px 8px rgb(from var(--accent-cyan) r g b / 0.25);
}

.btn.cta:hover {
    background: var(--accent-cyan);
    color: var(--text-white);
}

.btn.details-btn {
    border-color: var(--brand);
    color: var(--accent-cyan);
    border-width: 3px;
    background: var(--brand-darker);
    box-shadow: 0 6px 20px rgb(from var(--brand) r g b / 0.25);
    font-weight: 800;
}

.actions .release-wide {
    width: 100%;
    display: block;
    flex: 1 1 100%;
    text-align: center
}

.btn.details-btn:hover {
    background: var(--card-surface);
    color: var(--text-primary);
}

.btn.details-btn:focus-visible {
    outline: 2px solid var(--focus-ring-brand);
    outline-offset: 2px;
}

.btn.explore-btn {
    border-color: var(--brand);
    color: var(--accent-cyan);
    border-width: 3px;
    background: var(--brand-darker);
    box-shadow: 0 6px 20px rgb(from var(--brand) r g b / 0.25);
    font-weight: 800;
}

.btn.explore-btn:hover {
    background: var(--card-surface);
    color: var(--text-primary);
}

.btn.explore-btn:focus-visible {
    outline: 2px solid var(--focus-ring-brand);
    outline-offset: 2px;
}

.btn.demo-btn {
    background: var(--card-surface);
    color: var(--text-primary);
    border: 1px solid var(--accent-cyan);
    border-width: 3px;
    box-shadow: 0 3px 8px rgb(from var(--accent-cyan) r g b / 0.25);
}

.btn.demo-btn:hover {
    background: var(--accent-cyan);
    color: var(--text-white);
}

.btn.demo-btn:focus-visible {
    outline: 2px solid var(--focus-outline-red);
    outline-offset: 2px;
}

.btn.docs-toggle {
    border-color: var(--brand-dark);
    color: var(--text-white);
    background: var(--brand);
    border-width: 2px;
    box-shadow: 0 3px 10px rgb(from var(--brand) r g b / 0.25);
    font-weight: 800;
}

.btn.docs-toggle:hover {
    color: var(--text-primary);
    background: rgb(from var(--brand) r g b / 0.10);
}

.btn.demos-toggle {
    border-color: var(--brand-dark);
    color: var(--text-white);
    background: var(--brand);
    border-width: 2px;
    box-shadow: 0 3px 10px rgb(from var(--brand) r g b / 0.25);
    font-weight: 800;
}

.btn.demos-toggle:hover {
    color: var(--text-primary);
    background: rgb(from var(--brand) r g b / 0.10);
}

.btn:focus-visible {
    outline: 2px solid var(--focus-ring-brand);
    outline-offset: 2px
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--focus-ring-brand);
    outline-offset: 2px;
}

img[alt],
svg[aria-label],
canvas[aria-label] {
    outline: none
}

.btn.primary {
    background: var(--brand-gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.3)
}

.btn.ghost {
    background: var(--page-bg)
}

.btn.link {
    border-color: transparent;
    background: transparent
}

.btn.link.active {
    background: var(--brand-tint-light);
    border-bottom: 3px solid var(--brand);
    box-shadow: 0 2px 0 0 var(--brand-dark);
    color: var(--brand);
    transition: background .3s, border-bottom .3s, color .3s, box-shadow .3s;
    animation: spyFade .35s cubic-bezier(.4, 0, .2, 1);
}

@keyframes spyFade {
    0% {
        background: var(--brand-tint-lighter);
        border-bottom: 3px solid var(--brand-dark);
        color: var(--brand-dark);
    }

    100% {
        background: var(--brand-tint-light);
        border-bottom: 3px solid var(--brand);
        color: var(--brand);
    }
}

/* ===== Animation & Transition ===== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    animation: fadeInUp .7s cubic-bezier(.4, 0, .2, 1) forwards;
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(24px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    background:
        radial-gradient(1200px 420px at 50% -120px, rgb(from var(--brand-tint-lighter) r g b/ 0.25), transparent),
        radial-gradient(800px 220px at 10% -80px, rgb(from var(--brand-tint-light) r g b/ 0.2), transparent),
        linear-gradient(120deg, var(--brand-darker) 0%, var(--brand) 100%),
        var(--page-bg);
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.18) 0%, rgba(6, 182, 212, 0.12) 60%, transparent 100%);
    filter: blur(32px);
    opacity: 0.7;
    z-index: 0;
    pointer-events: none;
}

.hero::after {
    content: "";
    position: absolute;
    top: 60px;
    right: -120px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, transparent 100%);
    filter: blur(24px);
    opacity: 0.6;
    z-index: 0;
    pointer-events: none;
}

.hero>.container {
    position: relative;
    z-index: 1;
}

.embed-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-start
}

/* Use aspect-ratio so video and image boxes are identical (480x260) */
.embed-responsive {
    position: relative;
    width: 100%;
    max-width: 480px;
    aspect-ratio: 480/260;
    height: auto;
    border-radius: 16px;
    overflow: hidden
}

.embed-responsive iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0
}

.responsive-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block
}

.eyebrow {
    font-weight: 800;
    letter-spacing: .4px;
    color: var(--text-white);
    text-transform: uppercase;
    font-size: .8rem;
}

.hero h1 {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    line-height: 1.06;
    margin: .25rem 0 0;
    color: var(--text-white);
}

.hero p {
    max-width: 980px;
    color: var(--text-white);
    margin: .8rem 0 0;
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-top: .9rem
}

.chip {
    border: 1px solid var(--border-default);
    border-radius: 999px;
    padding: .4rem .7rem;
    font-size: .85rem;
    color: var(--brand-dark);
    background: var(--page-bg)
}

.factbar {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-top: .75rem
}

.fact {
    background: var(--surface-light);
    border: 1px solid var(--border-default);
    border-radius: 10px;
    padding: .45rem .65rem;
    font-size: .85rem;
    color: var(--text-primary)
}

.section-title {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-weight: 900;
    margin: 1.25rem 0 .75rem;
    font-size: 2rem
}

.section-title::before {
    content: "";
    width: 8px;
    height: 30px;
    border-radius: 6px;
    background: var(--brand-gradient)
}

.section-title-inverted {
    color: var(--brand);
    display: flex;
    align-items: center;
    gap: .6rem;
    font-weight: 900;
    margin: 1.25rem 0 .75rem;
    font-size: 2rem
}

.section-title-inverted::before {
    content: "";
    width: 8px;
    height: 30px;
    border-radius: 6px;
    background: var(--accent-gradient)
}

/* ===== Card Layout ===== */
.card {
    position: relative;
    border: 1px solid var(--border-default);
    background: var(--card-surface);
    border-radius: 18px;
    padding: 1rem;
    box-shadow: 0 10px 30px -18px rgba(15, 23, 42, .18)
}

.card:has(.badge-new) {
    border: 2px solid transparent;
    background: linear-gradient(var(--card-surface), var(--card-surface)) padding-box, linear-gradient(135deg, #00C2FF, #00E5A0, #00C2FF) border-box;
    box-shadow: 0 10px 30px -8px rgba(0, 194, 255, .25), inset 0 0 20px rgba(0, 194, 255, .1)
}

.card h3 {
    margin: .1rem 0 .25rem;
    font-size: 1.12rem
}

.card .tagline {
    color: var(--text-secondary);
    font-size: .95rem
}

.pill {
    display: inline-block;
    border: 1px solid var(--border-default);
    border-radius: 999px;
    padding: .28rem .6rem;
    font-size: .78rem;
    color: var(--text-label);
    background: var(--surface-light);
    margin: .25rem .25rem 0 0
}

.actions {
    margin-top: .8rem;
    display: flex;
    gap: .5rem;
    flex-wrap: wrap
}

/* ===== Card Select Checkbox ===== */
.select-pin {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 3;
    width: 44px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.select-pin input {
    position: absolute;
    opacity: 0;
    inset: 0;
    margin: 0;
    cursor: pointer;
    /* ensure the native input sits above the custom UI so clicks reliably hit it */
    z-index: 4;
}

.select-ui {
    width: 34px;
    height: 28px;
    border-radius: 8px;
    border: 2px solid var(--border-select);
    background: var(--page-bg);
    display: grid;
    place-items: center;
    box-shadow: 0 6px 18px -10px rgba(15, 23, 42, .06);
    transition: all .14s cubic-bezier(.4, 0, .2, 1);
    /* allow clicks to pass through to the (invisible) input underneath */
    pointer-events: none;
}

.select-ui::after {
    content: "";
    width: 12px;
    height: 8px;
    border: 3px solid transparent;
    border-left-color: var(--brand);
    border-bottom-color: var(--brand);
    transform: rotate(-45deg) scale(.6);
    opacity: 0;
    transition: transform .12s ease, opacity .12s ease;
}

.select-pin input:checked+.select-ui {
    box-shadow: inset 0 0 0 2px rgba(14, 165, 233, 0.133), 0 6px 18px -10px rgba(10, 15, 20, .04);
    border-color: rgba(14, 165, 233, 0.4);
    background: var(--page-bg);
}

.select-pin input:checked+.select-ui::after {
    opacity: 1;
    transform: rotate(-45deg) scale(1);
}

.select-pin input:focus-visible+.select-ui {
    outline: 2px solid var(--focus-ring-blue);
    outline-offset: 2px;
}

.select-pin:hover .select-ui {
    transform: translateY(-2px) scale(1.02);
}

/* make the card visually indicate selection when its input is checked */
.card .select-pin input:checked~h3 {
    color: var(--brand);
    transition: color .18s ease;
}

.card .select-pin input:checked~h3+p {
    color: var(--text-secondary);
    opacity: 0.95;
    transition: opacity .18s ease, color .18s ease;
}

@media (max-width:700px) {
    .select-pin {
        right: 10px;
        top: 10px;
        width: 40px;
        height: 34px;
    }

    .select-ui {
        width: 30px;
        height: 26px;
    }
}

/* ===== Comparison Table & Chips ===== */
.table-wrap {
    border: 1px solid var(--border-default);
    border-radius: 18px;
    overflow: auto;
    background: var(--page-bg);
    position: relative;
}

/* Horizontal scroll hint for mobile */
.table-wrap::after {
    /* keep pseudo-element present but hidden by default; visibility controlled by .has-scroll */
    content: "";
    position: absolute;
    right: 18px;
    top: 12px;
    background: var(--brand);
    color: #fff;
    font-size: .85rem;
    padding: 2px 10px;
    border-radius: 8px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s;
    z-index: 2;
}

.table-wrap.scrolled-x::after {
    opacity: 0 !important;
    pointer-events: none;
}

/* while resizing, show hint even if table had been scrolled previously; helps the user notice new scrollability */
.table-wrap.has-scroll.resizing::after {
    opacity: 0.85 !important;
    pointer-events: none;
}

/* brief grace period after resize when table was previously user-scrolled */
.table-wrap.has-scroll.resized-grace::after {
    opacity: 0.85 !important;
    pointer-events: none;
}

/* briefly show hint when new content (columns) was added to the table */
.table-wrap.has-scroll.content-added::after {
    opacity: 0.85 !important;
    pointer-events: none;
}

@media (max-width: 900px) {
    .table-wrap.has-scroll::after {
        content: "Scroll →";
        opacity: 0.85;
    }

    table {
        min-width: 600px;
    }
}

/* If JS floating hint is active, hide the pseudo-element to avoid duplicate hints */
.floating-hint-enabled .table-wrap.has-scroll::after {
    opacity: 0 !important;
    pointer-events: none;
}

/* Floating hint element (used instead of relying on pseudo-element so the hint does NOT scroll with table content) */
.table-scroll-hint {
    position: fixed;
    z-index: 10002;
    pointer-events: none;
    background: var(--brand);
    color: #fff;
    font-size: .85rem;
    padding: 2px 10px;
    border-radius: 8px;
    opacity: 0;
    transition: opacity .18s ease, transform .18s ease;
    transform: translateY(0);
    display: inline-block;
}

.table-scroll-hint.show {
    opacity: 0.85
}

@media (min-width:901px) {

    /* hide floating hint on wide viewports (desktop where table layout differs) */
    .table-scroll-hint {
        display: none
    }
}

table {
    width: 100%;
    border-collapse: collapse
}

thead {
    color: var(--text-primary);
    background: var(--brand)
}

th,
td {
    padding: .85rem 1rem;
    text-align: left;
    border-top: 1px solid var(--border-table);
    vertical-align: top
}

/* Ensure the first (Category) column keeps a stable width and can wrap
   long labels if needed. This prevents it from collapsing and stealing
   space from the flow columns. */
th:first-child,
td:first-child {
    font-weight: 800;
    color: var(--text-primary);
    background: var(--brand);
    /* keep a readable minimum width; adjust px as needed */
    min-width: 160px;
    width: 160px;
    /* allow wrapping inside the category cell rather than overflowing */
    white-space: normal;
}

/* Make comparison table columns distribute more fairly across available width.
  We use fixed table layout and a JS-inserted <colgroup> to assign percentages so
  flow columns have equal widths while the first (category) column keeps a smaller share. */
.table-wrap table {
    table-layout: fixed
}

.table-wrap th,
.table-wrap td {
    overflow-wrap: break-word
}

.compare-note {
    display: flex;
    gap: .5rem;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: .6rem;
    color: var(--text-label)
}

.chip-sel {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .28rem .55rem .28rem .6rem;
    border-radius: 999px;
    border: 1px solid var(--border-default);
    background: var(--surface-soft);
    font-size: .78rem
}

.chip-sel .x {
    display: inline-grid;
    place-items: center;
    width: 18px;
    height: 18px;
    border-radius: 9px;
    background: rgba(15, 23, 42, 0.04);
    color: var(--text-dark);
    line-height: 1;
    font-weight: 900;
    opacity: 0;
    transform: scale(.85);
    transition: opacity .12s ease, transform .12s ease
}

.chip-sel:hover .x {
    opacity: 1;
    transform: scale(1)
}

.chip-sel .x:focus-visible {
    outline: 2px solid var(--focus-ring-brand)
}

/* ===== Call-to-Action Strip ===== */
.cta {
    background: var(--brand-gradient);
    color: #fff
}

/* ===== Back-to-Top Button ===== */
.to-top {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 900;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease
}

.to-top.show {
    opacity: 1;
    pointer-events: auto
}

/* ===== Anchor Offset for Sections ===== */
section[id] {
    scroll-margin-top: 86px
}

/* ===== Details Section (Long Strips) ===== */
.details .stack {
    display: flex;
    flex-direction: column;
    gap: 1rem
}

.details .panel {
    position: relative;
    border: none;
    border-radius: 12px;
    background: var(--panel-bg);
    padding: 1rem 1.25rem;
    box-shadow: none;
    overflow: hidden
}

.details .panel::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    background: var(--brand-gradient)
}

.details .panel h3 {
    margin: .1rem 0 .25rem;
    font-size: 1.2rem
}

.details .panel .tagline {
    color: var(--text-secondary);
    font-size: .95rem
}

.details .panel ul {
    padding-left: 1.1rem;
    margin: .55rem 0 0;
    list-style: disc
}

.details .panel li {
    margin: .3rem 0
}

/* ===== Features, Implementation, FAQ ===== */
.features {
    display: grid;
    gap: 1rem
}

@media(min-width:900px) {
    .features {
        grid-template-columns: repeat(3, 1fr)
    }
}

.feat {
    border: 1px solid var(--border-default);
    background: var(--card-surface);
    border-radius: 16px;
    padding: 1rem
}

.feat h3 {
    margin: .1rem 0 .4rem;
    font-size: 1.1rem
}

.feat p {
    color: var(--text-secondary);
    margin: .2rem 0
}

/* ===== Modern Feature Grid ===== */
.feature-grid {
    display: grid;
    gap: 1rem;
    margin-top: .4rem;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    align-items: flex-start;
}

@media(max-width:760px) {
    .feature-grid {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr))
    }
}

.feature-card {
    position: relative;
    border: 1px solid var(--border-default);
    background: var(--feature-bg);
    border-radius: 18px;
    padding: 1rem 1.05rem;
    box-shadow: 0 12px 32px -20px rgb(from var(--brand) r g b / 0.22);
    display: flex;
    flex-direction: column;
    gap: .65rem;
}

.feature-kicker {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .26rem .55rem;
    border-radius: 999px;
    background: var(--brand-tint-light);
    color: var(--brand-dark);
    font-weight: 800;
    letter-spacing: .4px;
    font-size: .82rem;
    width: max-content;
}

.feature-card h3 {
    margin: 0;
    font-size: 1.15rem;
}

.feature-summary {
    color: var(--text-secondary);
    margin: 0
}

.feature-body {
    position: relative;
    overflow: hidden;
    max-height: 240px;
    transition: max-height .25s ease;
}

.feature-card.no-toggle .feature-body {
    max-height: none;
    overflow: visible
}

.feature-card.is-collapsed .feature-body {
    max-height: 240px
}

.feature-card:not(.is-collapsed) .feature-body {
    max-height: 1200px
}

.feature-fade {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 90px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgb(from var(--brand-tint-lighter) r g b / 0.92) 55%, rgb(from var(--brand) r g b / 0.18) 100%);
    /* Brand color fade */
    pointer-events: none;
    opacity: 1;
    transition: opacity .2s ease;
}

.feature-card.no-toggle .feature-fade {
    display: none
}

.feature-card:not(.is-collapsed) .feature-fade {
    opacity: 0
}

.feature-points {
    display: grid;
    gap: .6rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.feature-point {
    display: flex;
    gap: .55rem;
    align-items: flex-start;
    padding: .65rem .75rem;
    border: 1px solid var(--border-subtle);
    background: var(--page-bg);
    border-radius: 12px;
    box-shadow: 0 8px 22px -18px rgba(10, 15, 20, .24);
}

.feature-point::before {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 6px;
    margin-top: .35rem;
    background: var(--brand-gradient);
    box-shadow: 0 0 0 6px rgba(14, 165, 233, .08);
    flex-shrink: 0;
}

.feature-point strong {
    color: var(--text-primary)
}

.feature-point p {
    margin: 0;
    color: var(--text-secondary)
}

.feature-toggle {
    align-self: flex-start;
    margin-top: .2rem;
    border-radius: 999px;
    padding: .48rem .9rem;
    border: 1px solid var(--border-default);
    background: var(--page-bg);
    font-weight: 800;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    color: var(--text-primary);
    box-shadow: 0 8px 24px -18px rgba(10, 15, 20, .24);
    transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}

.feature-card.no-toggle .feature-toggle {
    display: none
}

.feature-toggle:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 28px -18px rgba(10, 15, 20, .28);
    border-color: var(--brand)
}

.feature-toggle:focus-visible {
    outline: 2px solid var(--focus-ring-brand);
    outline-offset: 2px
}

.feature-toggle .chevron {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform .2s ease;
}

.feature-card:not(.is-collapsed) .feature-toggle .chevron {
    transform: rotate(-135deg)
}

/* Footer Styles for both themes */
#aat-cta-shared {
    background: var(--brand-gradient)
}

#aat-footer-text {
    color: var(--text-secondary)
}

.steps {
    counter-reset: stp
}

.step {
    border-left: 4px solid var(--border-light);
    padding: .6rem .6rem .6rem 1rem;
    margin: .4rem 0;
    background: var(--page-bg);
    border-radius: 10px;
    border: 1px solid var(--border-default)
}

.step h4 {
    margin: .1rem 0 .25rem
}

.step h4::before {
    counter-increment: stp;
    content: counter(stp) ". ";
    font-weight: 900;
    color: var(--brand-dark)
}

details.faq {
    border: 1px solid var(--border-default);
    border-radius: 12px;
    background: var(--card-surface);
    padding: .8rem 1rem
}

details.faq+details.faq {
    margin-top: .6rem
}

details.faq summary {
    cursor: pointer;
    font-weight: 800
}

details.faq p {
    color: var(--text-secondary);
    margin: .5rem 0 0
}

/* ===== Helper Classes for HTML Inline Styles ===== */
.bg-soft {
    background: var(--surface-soft)
}

.bg-base {
    background: var(--page-bg)
}

.bg-secondary {
    background: var(--page-bg-secondary)
}

.badge-gradient {
    background: var(--badge-gradient)
}

.card-header-gradient {
    background: var(--card-header-gradient);
    color: white
}

.light-gray-text {
    color: var(--gray-light)
}

.border-color {
    border-color: var(--border-default)
}

/* ===== Feature Center (Why Section) ===== */
.feature-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center
}

.feature-center img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1.5rem;
    display: block
}

.feature-center h3 {
    font-size: 1.25rem;
    margin: 0 0 1rem 0
}

.feature-center p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1.05rem
}

/* Toggleable List Styles (Generic) */
.toggle-list {
    margin-top: .6rem;
    padding: .65rem .75rem;
    border: 1px solid var(--border-default);
    background: var(--surface-soft);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    gap: .55rem;
    text-align: left;
}

.toggle-list[hidden] {
    display: none !important;
}

.toggle-category {
    display: flex;
    flex-direction: column;
    gap: .3rem;
}

.toggle-category-title {
    font-size: .85rem;
    font-weight: 700;
    color: var(--brand);
    text-transform: uppercase;
    letter-spacing: .3px;
    margin-bottom: .15rem;
    padding-bottom: .25rem;
    border-bottom: 1px solid var(--border-default);
}

.toggle-link {
    display: flex;
    align-items: center;
    gap: .35rem;
    color: var(--text-primary);
    font-weight: 600;
    padding-left: .5rem;
    text-decoration: none;
}

.toggle-link:hover {
    color: var(--brand-dark);
}

.toggle-item {
    display: flex;
    align-items: center;
    gap: .45rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    padding-left: 0.5rem;
}

.toggle-item::before {
    content: "•";
    color: var(--brand);
    font-weight: bold;
}

/* Text trigger for show/hide sections */
.toggle-trigger-text {
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: color 0.2s;
    user-select: none;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.toggle-trigger-text:hover {
    color: var(--brand);
}