:root {
    --bg: #0B0F14;
    --bg-2: #0F1620;
    --surface: #111A24;
    --surface-2: #162233;
    --border: rgba(234, 240, 247, 0.12);
    --shadow: rgba(0, 0, 0, 0.35);
    --text: #EAF0F7;
    --text-muted: #A9B6C6;
    --text-faint: rgba(234, 240, 247, 0.55);
    --action: #2F7BFF;
    --action-hover: #1F63DB;
    --action-soft: rgba(47, 123, 255, 0.14);
    --brand-red: #D41111;
    --brand-red-hover: #b00e0e;
    --accent-red: #FF4D4D;
    --accent-red-hover: #FF6B6B;
    --problem: var(--brand-red);
    --problem-soft: rgba(212, 17, 17, 0.14);
    --problem-hover: var(--brand-red-hover);
    --signal: #21D4C2;
    --signal-soft: rgba(33, 212, 194, 0.14);
    --focus: #9CC2FF;
    --success: #21D4C2;
    --warning: #FBBF24;
    --danger: #F87171;
    --overlay-1: rgba(234, 240, 247, 0.04);
    --overlay-2: rgba(234, 240, 247, 0.07);
    --overlay-3: rgba(234, 240, 247, 0.1);
    --overlay-4: rgba(234, 240, 247, 0.14);
    --accent: var(--action);
    --accent-hover: var(--action-hover);
    --accent-2: var(--signal);
    --accent-2-hover: #14B8A6;
    --color-primary: var(--action);
    --color-primary-hover: var(--action-hover);
    --color-background-dark: var(--bg);
    --color-surface-dark: var(--bg-2);
    --color-card-glass: rgba(17, 26, 36, 0.6);
}

html.theme-vulcan-refresh {
    --bg: #0B0F14;
    --bg-2: #0F1620;
    --surface: #111A24;
    --surface-2: #162233;
    --border: rgba(234, 240, 247, 0.12);
    --shadow: rgba(0, 0, 0, 0.35);
    --text: #EAF0F7;
    --text-muted: #A9B6C6;
    --text-faint: rgba(234, 240, 247, 0.55);
    --action: #2F7BFF;
    --action-hover: #1F63DB;
    --action-soft: rgba(47, 123, 255, 0.14);
    --brand-red: #D41111;
    --brand-red-hover: #b00e0e;
    --accent-red: #FF4D4D;
    --accent-red-hover: #FF6B6B;
    --problem: var(--brand-red);
    --problem-soft: rgba(212, 17, 17, 0.14);
    --problem-hover: var(--brand-red-hover);
    --signal: #21D4C2;
    --signal-soft: rgba(33, 212, 194, 0.14);
    --focus: #9CC2FF;
    --success: #21D4C2;
    --warning: #FBBF24;
    --danger: #F87171;
    --overlay-1: rgba(234, 240, 247, 0.04);
    --overlay-2: rgba(234, 240, 247, 0.07);
    --overlay-3: rgba(234, 240, 247, 0.1);
    --overlay-4: rgba(234, 240, 247, 0.14);
    --accent: var(--action);
    --accent-hover: var(--action-hover);
    --accent-2: var(--signal);
    --accent-2-hover: #14B8A6;
    --color-primary: var(--action);
    --color-primary-hover: var(--action-hover);
    --color-background-dark: var(--bg);
    --color-surface-dark: var(--bg-2);
    --color-card-glass: rgba(17, 26, 36, 0.6);
}

html {
    scroll-behavior: smooth;
}

h1,
h2 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
}

.bg-grid {
    background-size: 80px 80px;
    background-position: center;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    mask-image: radial-gradient(circle at 50% 35%, black 0%, black 55%, transparent 85%);
    -webkit-mask-image: radial-gradient(circle at 50% 35%, black 0%, black 55%, transparent 85%);
}

.bg-lines {
    background-image:
        linear-gradient(120deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(60deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 160px 160px, 220px 220px;
    background-position: center;
}

.glass-panel {
    background-color: var(--color-card-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    box-shadow: 0 20px 25px -5px var(--shadow), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
}

.glass-button {
    background-color: var(--overlay-1);
    border: 1px solid var(--border);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    transition: all 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-button:hover {
    background-color: var(--overlay-3);
    border-color: var(--border);
}

.focus-ring:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 4px;
}

.value-icon {
    background-color: var(--overlay-1);
    border: 1px solid var(--border);
    color: var(--action);
}

.group:hover .value-icon {
    background-color: var(--action-soft);
    color: var(--action-hover);
    box-shadow: 0 0 20px rgba(47, 123, 255, 0.35);
}

.value-icon-bg {
    color: rgba(255, 255, 255, 0.1);
}

.group:hover .value-icon-bg {
    color: rgba(47, 123, 255, 0.12);
}

.material-symbols-outlined {
    color: currentColor;
}

.material-symbols-outlined.text-primary {
    color: var(--problem);
}

.text-primary {
    color: var(--problem);
}

.text-primary-hover {
    color: var(--problem-hover);
}

.bg-background-dark {
    background-color: var(--bg);
}

.bg-surface-dark {
    background-color: var(--bg-2);
}

.text-gray-400 {
    color: var(--text-muted);
}

.text-gray-500 {
    color: var(--text-faint);
}

.text-white {
    color: var(--text);
}

.bg-primary {
    background-color: var(--action);
}

.bg-primary-hover {
    background-color: var(--action-hover);
}

.border-white\/5 {
    border-color: var(--border);
}

.border-white\/10 {
    border-color: var(--border);
}

.border-white\/15 {
    border-color: var(--border);
}

.border-primary {
    border-color: var(--problem);
}

.border-primary\/30 {
    border-color: color-mix(in srgb, var(--problem) 30%, transparent);
}

.border-primary\/40 {
    border-color: color-mix(in srgb, var(--problem) 40%, transparent);
}

.border-primary\/50 {
    border-color: color-mix(in srgb, var(--action) 50%, transparent);
}

.bg-white\/5 {
    background-color: var(--overlay-1);
}

.bg-white\/10 {
    background-color: var(--overlay-3);
}

.bg-white\/15 {
    background-color: var(--overlay-4);
}

.bg-primary\/5 {
    background-color: color-mix(in srgb, var(--action) 8%, transparent);
}

.bg-primary\/20 {
    background-color: color-mix(in srgb, var(--action) 20%, transparent);
}

.bg-primary\/30 {
    background-color: color-mix(in srgb, var(--problem) 30%, transparent);
}

.bg-black\/20 {
    background-color: color-mix(in srgb, var(--surface) 60%, transparent);
}

.bg-black\/40 {
    background-color: var(--surface);
}

.bg-black\/50 {
    background-color: var(--surface-2);
}

.bg-card-glass {
    background-color: var(--surface);
}

.hover\:bg-primary-hover:hover {
    background-color: var(--action-hover);
}

.hover\:text-primary-hover:hover {
    color: var(--action-hover);
}

.hover\:border-primary\/40:hover {
    border-color: color-mix(in srgb, var(--action) 40%, transparent);
}

.hover\:border-primary\/30:hover {
    border-color: color-mix(in srgb, var(--action) 30%, transparent);
}

.hover\:border-primary\/50:hover {
    border-color: color-mix(in srgb, var(--action) 50%, transparent);
}

.hover\:bg-white\/10:hover {
    background-color: var(--overlay-3);
}

a {
    color: var(--action);
}

a:hover {
    color: var(--action-hover);
    text-decoration: underline;
    text-decoration-color: color-mix(in srgb, var(--action-hover) 70%, transparent);
    text-underline-offset: 4px;
}

a.text-primary,
a.text-primary:hover {
    color: var(--action);
}

footer {
    padding-top: 16px;
    background-color: color-mix(in srgb, var(--bg) 80%, var(--bg-2) 20%);
    border-top: 1px solid var(--border);
}

footer h3,
footer h3.text-white {
    color: var(--problem) !important;
}

footer p.text-white {
    color: var(--text) !important;
}

footer a,
footer a:visited,
footer a:active {
    color: var(--text-muted) !important;
    text-decoration: none;
}

footer a:hover,
footer a:focus-visible {
    color: var(--problem) !important;
    text-decoration: none;
}

footer a:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 3px;
}

.footer-contact-link {
    color: var(--text-muted);
}

.footer-contact-link:hover {
    color: var(--action);
}

.footer-sep {
    display: inline-block;
    color: var(--text-faint);
    padding: 0 8px;
}

input.text-primary,
select.text-primary,
textarea.text-primary,
button.text-primary,
svg.text-primary {
    color: var(--action);
}

.hover\:text-primary:hover {
    color: var(--action);
}

.theme-light {
    background-color: #ffffff;
    color: #0f172a;
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
}

.theme-light h1 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    letter-spacing: -0.01em;
}

.theme-light h2,
.theme-light h3,
.theme-light h4,
.theme-light h5,
.theme-light h6 {
    font-family: 'Inter', sans-serif;
    letter-spacing: normal;
}

.theme-light .brand-muted { color: #475569; }
.theme-light .brand-faint { color: #64748b; }
.theme-light .brand-label { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; }
.theme-light .brand-subhead { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600; color: #0f172a; }
.theme-light .brand-red-line { height: 3px; width: 72px; background: #D41111; border-radius: 999px; }
.theme-light .brand-red-bar { height: 6px; width: 100%; background: linear-gradient(90deg, #D41111, #b00e0e); }
.theme-light .brand-section { border: 1px solid #e2e8f0; background-color: #ffffff; box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06); }
.theme-light .brand-section p,
.theme-light .brand-section li { line-height: 1.7; }
.theme-light .card-title { font-size: 18px; font-weight: 700; color: #0f172a; }
.theme-light .card-block { display: grid; gap: 16px; }
.theme-light .card-group { display: grid; gap: 12px; }
.theme-light .card-body { display: grid; gap: 10px; }
.theme-light .section-stack { display: grid; gap: 24px; }
.theme-light .chip-red { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; background: #fee2e2; color: #b91c1c; font-size: 12px; font-weight: 600; }
.theme-light .section-divider { height: 1px; background: #e2e8f0; }
.theme-light .card-red-glow { box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06), inset 0 0 0 2px rgba(212, 17, 17, 0.22); }
.theme-light .swatch-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
.theme-light .swatch-card { border: 1px solid #e2e8f0; border-radius: 16px; padding: 12px; background: #ffffff; }
.theme-light .swatch { width: 96px; height: 96px; border-radius: 12px; border: 1px solid #e2e8f0; }
.theme-light .logo-card { border-radius: 16px; border: 1px solid #e2e8f0; padding: 16px; background: #ffffff; }
.theme-light .logo-card.dark { background: #0B0F14; border-color: #0B0F14; }
.theme-light .page-shell { background: radial-gradient(circle at top left, rgba(47, 123, 255, 0.08), transparent 45%), radial-gradient(circle at top right, rgba(255, 77, 77, 0.08), transparent 40%), radial-gradient(circle at 20% 85%, rgba(212, 17, 17, 0.06), transparent 55%); }
.theme-light .brand-logo-wrap { padding: 5px; }
.theme-light .brand-logo-img { height: 56px; width: auto; display: block; }
.theme-light .usage-btn-primary { background-color: #2F7BFF; color: #ffffff; }
.theme-light .usage-btn-secondary { border: 1px solid #cbd5f5; color: #1F63DB; }
.theme-light .usage-surface-card { background-color: #f8fafc; border: 1px solid #e2e8f0; }
.theme-light .usage-badge { background-color: #e2e8f0; color: #0f172a; }
.theme-light .usage-divider-base { background-color: #e2e8f0; }
.theme-light .usage-divider-accent { background-color: #D41111; }
.theme-light .usage-divider-accent.w-60 { width: 60%; }
.theme-dark {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
}

.theme-dark h1 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    letter-spacing: -0.01em;
}

.theme-dark h2,
.theme-dark h3,
.theme-dark h4,
.theme-dark h5,
.theme-dark h6 {
    font-family: 'Inter', sans-serif;
    letter-spacing: normal;
}

.theme-dark .brand-muted { color: var(--text-muted); }
.theme-dark .brand-faint { color: var(--text-faint); }
.theme-dark .brand-label { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; }
.theme-dark .brand-subhead { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600; color: var(--text); }
.theme-dark .brand-red-line { height: 3px; width: 72px; background: var(--brand-red); border-radius: 999px; }
.theme-dark .brand-red-bar { height: 6px; width: 100%; background: linear-gradient(90deg, var(--brand-red), var(--brand-red-hover)); }
.theme-dark .brand-section { border: 1px solid var(--border); background-color: var(--surface); box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35); }
.theme-dark .brand-section p,
.theme-dark .brand-section li { line-height: 1.7; }
.theme-dark .card-title { font-size: 18px; font-weight: 700; color: var(--text); }
.theme-dark .card-block { display: grid; gap: 16px; }
.theme-dark .card-group { display: grid; gap: 12px; }
.theme-dark .card-body { display: grid; gap: 10px; }
.theme-dark .section-stack { display: grid; gap: 24px; }
.theme-dark .chip-red { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; background: rgba(212, 17, 17, 0.18); color: #ffb4b4; font-size: 12px; font-weight: 600; }
.theme-dark .section-divider { height: 1px; background: var(--border); }
.theme-dark .card-red-glow { box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35), inset 0 0 0 2px rgba(212, 17, 17, 0.22); }
.theme-dark .swatch-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
.theme-dark .swatch-card { border: 1px solid var(--border); border-radius: 16px; padding: 12px; background: var(--surface); }
.theme-dark .swatch { width: 96px; height: 96px; border-radius: 12px; border: 1px solid var(--border); }
.theme-dark .logo-card { border-radius: 16px; border: 1px solid var(--border); padding: 16px; background: var(--surface); }
.theme-dark .logo-card.dark { background: #0B0F14; border-color: #0B0F14; }
.theme-dark .page-shell { background: radial-gradient(circle at top left, rgba(47, 123, 255, 0.18), transparent 45%), radial-gradient(circle at top right, rgba(212, 17, 17, 0.16), transparent 40%); }
.theme-dark .usage-btn-primary { background-color: var(--action); color: #ffffff; }
.theme-dark .usage-btn-secondary { border: 1px solid color-mix(in srgb, var(--action) 40%, transparent); color: var(--action); }
.theme-dark .usage-surface-card { background-color: var(--surface-2); border: 1px solid var(--border); }
.theme-dark .usage-badge { background-color: var(--overlay-3); color: var(--text); }
.theme-dark .usage-divider-base { background-color: var(--border); }
.theme-dark .usage-divider-accent { background-color: var(--brand-red); }
.theme-light .swatch-bg-0b0f14 { background-color: #0B0F14; }
.theme-light .swatch-bg-0f1620 { background-color: #0F1620; }
.theme-light .swatch-bg-111a24 { background-color: #111A24; }
.theme-light .swatch-bg-162233 { background-color: #162233; }
.theme-light .swatch-text-primary { background-color: #EAF0F7; }
.theme-light .swatch-text-muted { background-color: #A9B6C6; }
.theme-light .swatch-text-faint { background-color: rgba(234, 240, 247, 0.55); }
.theme-light .swatch-brand-red { background-color: #D41111; }
.theme-light .swatch-primary { background-color: #2F7BFF; }
.theme-light .swatch-primary-hover { background-color: #1F63DB; }
.theme-light .swatch-accent { background-color: #FF4D4D; }
.theme-light .swatch-accent-hover { background-color: #FF6B6B; }
.theme-light .swatch-signal { background-color: #21D4C2; }
.theme-light .swatch-focus { background-color: #9CC2FF; }
.theme-light .swatch-warning { background-color: #FBBF24; }
.theme-light .swatch-bg-white { background-color: #ffffff; }
.theme-light .swatch-surface { background-color: #f8fafc; }
.theme-light .swatch-text-dark { background-color: #0f172a; }
.theme-light .swatch-muted-dark { background-color: #475569; }

.focus\:border-primary:focus {
    border-color: var(--action);
}

.focus\:ring-primary\/40:focus {
    --tw-ring-color: color-mix(in srgb, var(--action) 40%, transparent);
}

.focus\:ring-primary\/50:focus {
    --tw-ring-color: color-mix(in srgb, var(--action) 50%, transparent);
}

.focus\:ring-primary:focus {
    --tw-ring-color: var(--action);
}

.placeholder\:text-gray-600::placeholder {
    color: var(--text-faint);
}

.section-alt {
    background-color: var(--bg-2);
}

html.debug-colors .text-primary,
html.debug-colors .border-primary,
html.debug-colors .bg-primary,
html.debug-colors .bg-primary\/5,
html.debug-colors .bg-primary\/20 {
    outline: 1px dashed var(--problem);
    outline-offset: 2px;
}

.logo-row {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 20px;
    align-items: center;
}

.logo-panel {
    padding: 22px 26px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    max-width: 1100px;
    margin: 0 auto;
    display: none;
}

.logo-tile {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 56px;
    width: 100%;
    padding: 6px 10px;
    border-radius: 12px;
    background-color: transparent;
    border: none;
}

.logo-img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    filter: grayscale(100%) contrast(1.05);
    opacity: 0.8;
    transition: opacity 200ms ease, filter 200ms ease;
}

.logo-img:hover {
    opacity: 1;
    filter: grayscale(100%) contrast(1.1);
}

@media (max-width: 640px) {
    .logo-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
    }

    .logo-panel {
        padding: 14px 16px;
        border-radius: 18px;
    }

    .logo-tile {
        height: 48px;
    }
}

@media (max-width: 1024px) {
    .logo-row {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}
}

.cycle-diagram {
    width: 100%;
    height: auto;
}

.cycle-ring-base {
    fill: none;
    stroke: color-mix(in srgb, var(--action) 35%, transparent);
    stroke-width: 10;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.cycle-ring-top {
    fill: none;
    stroke: url(#cycle-blue-grad);
    stroke-width: 5;
    stroke-linecap: round;
    stroke-linejoin: round;
    filter: drop-shadow(0 0 6px rgba(47, 123, 255, 0.25));
}

.cycle-arrow-base {
    fill: none;
    stroke: color-mix(in srgb, var(--action) 40%, transparent);
    stroke-width: 10;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.cycle-arrow-top {
    fill: none;
    stroke: url(#cycle-blue-grad);
    stroke-width: 5;
    stroke-linecap: round;
    stroke-linejoin: round;
    filter: drop-shadow(0 0 6px rgba(47, 123, 255, 0.25));
}

.cycle-arrow-decision-base {
    fill: none;
    stroke: color-mix(in srgb, var(--problem) 45%, transparent);
    stroke-width: 10;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.cycle-arrow-decision-top {
    fill: none;
    stroke: url(#cycle-red-grad);
    stroke-width: 5;
    stroke-linecap: round;
    stroke-linejoin: round;
    filter: drop-shadow(0 0 6px rgba(255, 77, 77, 0.22));
}

.cycle-arrow-head {
    fill: #2F7BFF;
    opacity: 0.85;
}

.cycle-arrow-head-decision {
    fill: #FF4D4D;
    opacity: 0.9;
}

.cycle-label {
    fill: var(--text);
    font-size: 14px;
    font-weight: 600;
}

.cycle-center {
    fill: var(--text-muted);
    font-size: 16px;
    font-weight: 400;
    opacity: 0.7;
}

.cycle-gate {
    fill: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.cycle-gate-sub {
    fill: var(--text-faint);
    font-size: 11px;
    font-weight: 500;
}

.how-work-title {
    max-width: 22ch;
}

.how-work-highlight {
    color: transparent;
    background-image: linear-gradient(90deg, var(--problem), #f97316);
    -webkit-background-clip: text;
    background-clip: text;
}

.heading-highlight {
    color: transparent;
    background-image: linear-gradient(90deg, var(--problem), #f97316);
    -webkit-background-clip: text;
    background-clip: text;
}

.how-work-lead {
    line-height: 1.7;
    margin-bottom: 24px;
}

.how-work-steps .grid {
    gap: 18px;
}

.how-work-steps .glass-panel {
    padding: 20px;
}

.how-work-steps .glass-panel p {
    color: var(--text-muted);
}

.how-work-steps .glass-panel p::first-line {
    color: var(--text);
    font-weight: 600;
}

.how-work-diagram .cycle-diagram-wrap {
    max-width: 420px;
    margin: 0 auto;
}

@media (max-width: 480px) {
    .how-work-title {
        font-size: clamp(32px, 7vw, 56px);
        max-width: 20ch;
    }

    .how-work-lead {
        line-height: 1.65;
        margin-bottom: 28px;
    }

    .how-work-steps .grid {
        gap: 16px;
    }

    .how-work-steps .glass-panel {
        padding: 18px;
    }

    .how-work-diagram .cycle-diagram-wrap {
        max-width: 360px;
        background-color: transparent;
        border: 1px solid color-mix(in srgb, var(--border) 40%, transparent);
        box-shadow: none;
        border-radius: 12px;
        padding: 16px;
    }

    .cycle-label {
        font-size: 13px;
    }

    .cycle-center {
        font-size: 14px;
        opacity: 0.65;
    }

    .cycle-gate {
        font-size: 12px;
        letter-spacing: 0.12em;
    }

    .cycle-gate-sub {
        font-size: 11px;
    }

    .cycle-ring-base {
        stroke-width: 8;
    }

    .cycle-ring-top {
        stroke-width: 3.5;
        filter: drop-shadow(0 0 4px rgba(47, 123, 255, 0.16));
    }

    .cycle-arrow-base {
        stroke-width: 8;
    }

    .cycle-arrow-top {
        stroke-width: 3.5;
        filter: drop-shadow(0 0 4px rgba(47, 123, 255, 0.16));
    }

    .cycle-arrow-decision-base {
        stroke-width: 8;
    }

    .cycle-arrow-decision-top {
        stroke-width: 3.5;
        filter: drop-shadow(0 0 4px rgba(255, 77, 77, 0.16));
    }

    .how-work-diagram {
        margin-top: 20px;
        margin-bottom: 36px;
    }

    .how-work-caption {
        color: var(--text-muted);
    }
}

.hero-build {
    position: relative;
}

.hero-build-stage {
    position: relative;
    width: 100%;
    max-width: 520px;
    min-height: 380px;
}

.hero-code-card,
.hero-ui-card {
    position: absolute;
    inset: 0;
}

.hero-animate-code {
    animation: heroCodeCycle 8s ease-in-out infinite;
}

.hero-animate-ui {
    animation: heroUiCycle 8s ease-in-out infinite;
}

.hero-ui-tile {
    border-radius: 12px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    display: grid;
    gap: 4px;
}

.hero-ui-chart {
    border-radius: 14px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    display: grid;
    gap: 10px;
}

.hero-ui-bars {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 64px;
}

.hero-ui-bar {
    flex: 1;
    border-radius: 999px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--action) 70%, transparent), color-mix(in srgb, var(--problem) 70%, transparent));
    opacity: 0.85;
}

.hero-ui-pill {
    border-radius: 999px;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
}

@keyframes heroCodeCycle {
    0%,
    35% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    45%,
    60% {
        opacity: 0.2;
        transform: translateY(-10px) scale(0.98);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes heroUiCycle {
    0%,
    30% {
        opacity: 0;
        transform: translateY(14px) scale(0.98);
    }
    40%,
    75% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    85%,
    100% {
        opacity: 0;
        transform: translateY(-8px) scale(0.98);
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-animate-code,
    .hero-animate-ui {
        animation: none;
    }

    .hero-build-stage {
        display: grid;
        gap: 16px;
        min-height: auto;
    }

    .hero-code-card,
    .hero-ui-card {
        position: relative;
        inset: auto;
    }
}