/* ============================================================
   aichamp - Promo Landing Page Styles
   Gradients, animations, glass-morphism
   ============================================================ */

/* --- Animations --- */

@keyframes promo-gradient-shift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes promo-glow-float {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.3; }
    33%      { transform: translate(30px, -20px) scale(1.1); opacity: 0.5; }
    66%      { transform: translate(-20px, 15px) scale(0.95); opacity: 0.35; }
}

@keyframes promo-glow-float-2 {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.25; }
    33%      { transform: translate(-25px, 25px) scale(1.15); opacity: 0.4; }
    66%      { transform: translate(15px, -10px) scale(0.9); opacity: 0.3; }
}

@keyframes promo-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(var(--accent-rgb), 0.4); }
    50%      { box-shadow: 0 0 0 12px rgba(var(--accent-rgb), 0); }
}

@keyframes promo-grid-fade {
    0%   { opacity: 0.03; }
    50%  { opacity: 0.07; }
    100% { opacity: 0.03; }
}

/* --- Base --- */

.promo-body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Content stays visible even when scripting is unavailable. */

.reveal {
    opacity: 1;
    transform: none;
}

/* --- Navbar --- */

.promo-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(var(--color-surface-flat-rgb), 0.86);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(var(--color-border-panel-rgb), 0.8);
}

.promo-nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.promo-nav-brand {
    display: flex;
    align-items: center;
    gap: 0;
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.125rem;
    line-height: 1;
}

.promo-nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.promo-nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}

.promo-nav-link:hover {
    color: var(--text-primary);
}

.promo-nav-cta {
    margin-left: 0.5rem;
}

/* --- Container --- */

.promo-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- Hero Section --- */

.promo-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4rem;
    padding: 6rem 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

.promo-hero-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: -1;
}

.promo-hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(var(--accent-rgb), 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(var(--accent-rgb), 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: promo-grid-fade 8s ease-in-out infinite;
    mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 70%);
}

.promo-hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.promo-hero-glow--1 {
    width: 500px;
    height: 500px;
    top: -10%;
    left: 10%;
    background: radial-gradient(circle, rgba(var(--accent-rgb), 0.2) 0%, transparent 70%);
    animation: promo-glow-float 12s ease-in-out infinite;
}

.promo-hero-glow--2 {
    width: 400px;
    height: 400px;
    top: 30%;
    right: 5%;
    background: radial-gradient(circle, rgba(var(--color-logo-accent-start-rgb), 0.15) 0%, transparent 70%);
    animation: promo-glow-float-2 15s ease-in-out infinite;
}

.promo-hero-glow--3 {
    width: 350px;
    height: 350px;
    bottom: 10%;
    left: 30%;
    background: radial-gradient(circle, rgba(var(--color-logo-accent-start-rgb), 0.12) 0%, transparent 70%);
    animation: promo-glow-float 18s ease-in-out infinite reverse;
}

.promo-hero-content {
    flex: 1;
    max-width: 560px;
    min-width: 0;
}

.promo-hero-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    border-radius: 100px;
    border: 1px solid rgba(var(--accent-rgb), 0.3);
    background: rgba(var(--accent-rgb), 0.08);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.5rem;
}

.promo-hero-title {
    font-family: "Play", var(--font-sans);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
}

.promo-gradient-text {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 40%, var(--accent) 80%, var(--border) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: promo-gradient-shift 4s ease infinite;
}

.promo-hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 480px;
}

.promo-hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.promo-btn-hero {
    padding: 0.875rem 2rem !important;
    font-size: 0.9375rem !important;
    font-weight: 600;
    border-radius: var(--radius-lg) !important;
}

.promo-btn-pulse {
    animation: promo-pulse 2.5s infinite;
}

.promo-btn-ghost {
    padding: 0.875rem 2rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
    background: transparent;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
}

.promo-btn-ghost:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
}

/* Hero stats row */
.promo-hero-stats {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.promo-hero-quickstart {
    width: min(100%, 30rem);
    margin-top: 1.25rem;
    overflow: hidden;
    border: 1px solid var(--border-flat);
    border-radius: var(--radius-lg);
    background: var(--bg-tertiary);
}

.promo-hero-quickstart > summary {
    padding: 0.75rem 1rem;
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
}

.promo-hero-quickstart .promo-quick-start-step:last-child {
    border-bottom: 0;
}

.promo-stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.promo-stat-icon {
    color: var(--accent);
    display: flex;
    align-items: center;
}

.promo-stat-text {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Hero quick start */
.promo-hero-visual {
    flex: 1;
    max-width: 480px;
    min-width: 0;
}

.promo-quick-start {
    background:
        linear-gradient(145deg, rgba(var(--accent-rgb), 0.08), transparent 48%),
        var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow:
        var(--shadow),
        0 0 80px rgba(var(--accent-rgb), 0.06);
}

.promo-quick-start-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
}

.promo-quick-start-kicker {
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.promo-quick-start-time {
    color: var(--text-muted);
    font-size: 0.72rem;
}

.promo-quick-start-list {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.promo-quick-start-step {
    display: grid;
    grid-template-columns: 2.25rem minmax(0, 1fr);
    gap: 0.9rem;
    padding: 1.1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.promo-quick-start-number {
    color: rgba(var(--accent-rgb), 0.6);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1.55rem;
}

.promo-quick-start-step strong {
    display: block;
    margin-bottom: 0.45rem;
    color: var(--text-primary);
    font-size: 0.88rem;
}

.promo-quick-start-step code {
    display: block;
    max-width: 100%;
    padding: 0.55rem 0.65rem;
    overflow-wrap: anywhere;
    color: var(--accent);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    line-height: 1.5;
}

.promo-quick-start-step p {
    margin-top: 0.45rem;
    color: var(--text-muted);
    font-size: 0.73rem;
    line-height: 1.5;
}

.promo-quick-start-note {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    padding: 1rem 1.25rem;
    color: var(--text-secondary);
    background: rgba(var(--accent-rgb), 0.04);
}

.promo-quick-start-note p {
    font-size: 0.76rem;
    line-height: 1.55;
}

.promo-quick-start-note code {
    color: var(--accent);
    font-family: var(--font-mono);
}

.promo-inline-icon {
    width: 1.15rem;
    height: 1.15rem;
    flex: none;
    color: var(--accent);
}

/* --- Sections --- */

.promo-section {
    padding: 6rem 0;
    position: relative;
}

.promo-section--alt {
    background: var(--bg-secondary);
}

.promo-section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.promo-section-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    border: 1px solid rgba(var(--accent-rgb), 0.25);
    background: rgba(var(--accent-rgb), 0.06);
    color: var(--accent);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.promo-section-title {
    font-family: "Play", var(--font-sans);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 0.75rem;
}

.promo-section-desc {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto;
}

/* --- Competition formats --- */

.promo-format-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
}

.promo-format-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    padding: 1.6rem;
    background:
        linear-gradient(145deg, rgba(var(--accent-rgb), 0.05), transparent 52%),
        var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
}

.promo-format-card--challenge {
    border-color: rgba(var(--accent-rgb), 0.3);
}

.promo-format-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.4rem;
}

.promo-format-label {
    padding: 0.25rem 0.55rem;
    color: var(--accent);
    background: rgba(var(--accent-rgb), 0.08);
    border: 1px solid rgba(var(--accent-rgb), 0.2);
    border-radius: 100px;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.promo-format-index {
    color: rgba(var(--accent-rgb), 0.25);
    font-family: "Play", var(--font-sans);
    font-size: 1.6rem;
    font-weight: 700;
}

.promo-format-card h3 {
    margin-bottom: 0.7rem;
    font-family: "Play", var(--font-sans);
    font-size: 1.1rem;
    text-transform: uppercase;
}

.promo-format-card > p {
    margin-bottom: 1.15rem;
    color: var(--text-secondary);
    font-size: 0.84rem;
    line-height: 1.65;
}

.promo-format-card code {
    color: var(--accent);
    font-family: var(--font-mono);
}

.promo-format-points {
    display: grid;
    gap: 0.55rem;
    margin: 0;
    padding: 0;
    color: var(--text-secondary);
    font-size: 0.78rem;
    list-style: none;
}

.promo-format-points li {
    position: relative;
    padding-left: 1rem;
}

.promo-format-points li::before {
    position: absolute;
    top: 0.55em;
    left: 0;
    width: 0.35rem;
    height: 0.35rem;
    background: var(--accent);
    border-radius: 50%;
    content: "";
}

.promo-format-link {
    align-self: flex-start;
    margin-top: 1.25rem;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    text-decoration: none;
}

.promo-format-link:hover {
    text-decoration: underline;
}

/* --- Features Grid --- */

.promo-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.promo-feature-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.promo-feature-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(var(--accent-rgb), 0.2);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 40px rgba(var(--accent-rgb), 0.05);
}

.promo-feature-icon-wrap {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--accent-rgb), 0.08);
    border: 1px solid rgba(var(--accent-rgb), 0.15);
    border-radius: 12px;
    margin-bottom: 1.25rem;
    transition: all 0.3s;
}

.promo-feature-card:hover .promo-feature-icon-wrap {
    background: rgba(var(--accent-rgb), 0.14);
    border-color: rgba(var(--accent-rgb), 0.35);
}

.promo-feature-title {
    font-family: "Play", var(--font-sans);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.625rem;
}

.promo-feature-desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

.promo-agent-details {
    margin-top: 1.15rem;
    border-top: 1px solid var(--border);
}

.promo-agent-details summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding-top: 0.9rem;
    color: var(--accent);
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 700;
    list-style: none;
}

.promo-agent-details summary::-webkit-details-marker {
    display: none;
}

.promo-agent-details summary::marker {
    content: "";
}

.promo-agent-details summary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 0.3rem;
}

.promo-agent-details[open] .promo-disclosure-icon {
    transform: rotate(180deg);
}

.promo-agent-content {
    display: grid;
    gap: 1rem;
    padding-top: 1rem;
}

.promo-agent-steps {
    display: grid;
    gap: 0.9rem;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: agent-step;
}

.promo-agent-steps li {
    display: grid;
    grid-template-columns: 1.8rem minmax(0, 1fr);
    column-gap: 0.65rem;
    counter-increment: agent-step;
}

.promo-agent-steps li::before {
    grid-row: 1 / span 2;
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    content: "0" counter(agent-step);
}

.promo-agent-steps strong {
    color: var(--text-primary);
    font-size: 0.76rem;
}

.promo-agent-steps span {
    margin-top: 0.2rem;
    color: var(--text-muted);
    font-size: 0.72rem;
    line-height: 1.55;
}

.promo-agent-steps code {
    color: var(--accent);
    font-family: var(--font-mono);
    overflow-wrap: anywhere;
}

.promo-agent-guide-link {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    font-weight: 700;
    text-decoration: none;
}

.promo-agent-guide-link:hover {
    color: var(--accent);
    border-color: rgba(var(--accent-rgb), 0.3);
}

.promo-agent-guide-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 0.2rem;
}

.promo-agent-guide-link svg {
    width: 1rem;
    height: 1rem;
    flex: none;
}

/* --- Open Challenges --- */

.promo-challenge-workflow {
    display: flex;
    max-width: 100%;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin: -1.75rem auto 2rem;
    color: var(--text-muted);
}

.promo-challenge-workflow code {
    padding: 0.55rem 0.7rem;
    overflow-wrap: anywhere;
    color: var(--accent);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
}

.promo-flow-icon {
    width: 1rem;
    height: 1rem;
    flex: none;
}

.promo-challenge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 17rem), 22rem));
    gap: 1rem;
    justify-content: center;
}

.promo-challenge-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1.15rem;
    border: 1px solid rgba(var(--accent-rgb), 0.18);
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, rgba(var(--accent-rgb), 0.06), transparent 48%), var(--bg-secondary);
}

.promo-challenge-art {
    height: 7rem;
    margin: -1.15rem -1.15rem 0;
    aspect-ratio: auto;
}

.promo-challenge-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.promo-challenge-card-top code {
    overflow: hidden;
    color: var(--text-muted);
    font-size: 0.7rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.promo-challenge-status {
    color: var(--accent);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.promo-challenge-card h3 {
    color: var(--text-primary);
    font-size: 1rem;
}

.promo-challenge-card p,
.promo-challenge-empty {
    color: var(--text-secondary);
    font-size: 0.86rem;
    line-height: 1.55;
}

.promo-challenge-action {
    align-self: flex-start;
    margin-top: auto;
}

.promo-challenge-empty {
    max-width: 560px;
    margin: 0 auto;
    padding: 1rem;
    text-align: center;
    border: 1px dashed var(--border);
    border-radius: var(--radius-lg);
}

.promo-section-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

/* --- Download Section --- */

.promo-download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
    gap: 1rem;
    max-width: 1100px;
    margin: 0 auto;
}

.promo-download-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    padding: 1.75rem 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
}

.promo-download-card:hover {
    border-color: rgba(var(--accent-rgb), 0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.promo-download-card--detected {
    border-color: rgba(var(--accent-rgb), 0.4);
    background: rgba(var(--accent-rgb), 0.04);
    position: relative;
}

.promo-download-card--detected::before {
    content: "Your OS";
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.125rem 0.625rem;
    border-radius: 100px;
    background: var(--accent);
    color: var(--bg-primary);
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.promo-download-icon {
    width: 2.25rem;
    height: 2.25rem;
    display: grid;
    place-items: center;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.promo-download-icon-svg {
    display: block;
    width: 100%;
    height: 100%;
    flex: none;
}

.promo-download-card:hover .promo-download-icon {
    color: var(--text-primary);
}

.promo-download-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.promo-download-name {
    font-family: "Play", var(--font-sans);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.promo-download-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.promo-download-btn {
    width: 100%;
    padding: 0.625rem 1.25rem !important;
    font-size: 0.8125rem !important;
}

.promo-install-details {
    width: 100%;
    text-align: left;
    border-top: 1px solid var(--border);
}

.promo-install-details summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding-top: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 700;
    list-style: none;
}

.promo-install-details summary::-webkit-details-marker {
    display: none;
}

.promo-install-details summary::marker {
    content: "";
}

.promo-install-details summary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 0.3rem;
}

.promo-disclosure-icon {
    width: 1rem;
    height: 1rem;
    flex: none;
    color: var(--accent);
    transition: transform 0.2s ease;
}

.promo-install-details[open] .promo-disclosure-icon {
    transform: rotate(180deg);
}

.promo-install-content {
    display: grid;
    gap: 0.7rem;
    padding-top: 0.85rem;
}

.promo-install-content p {
    color: var(--text-secondary);
    font-size: 0.74rem;
    line-height: 1.5;
}

.promo-install-content p code {
    color: var(--accent);
    font-family: var(--font-mono);
}

.promo-install-content pre {
    max-width: 100%;
    margin: 0;
    padding: 0.75rem;
    overflow-x: auto;
    color: var(--accent);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-align: left;
}

.promo-install-content pre code {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    line-height: 1.55;
    white-space: pre;
}

.promo-install-next {
    margin-top: 0.15rem;
    color: var(--text-primary) !important;
    font-weight: 700;
}

.promo-download-note {
    display: flex;
    max-width: 760px;
    align-items: flex-start;
    justify-content: center;
    gap: 0.7rem;
    margin: 2rem auto 0;
    color: var(--text-secondary);
    text-align: left;
}

.promo-download-note p {
    font-size: 0.8rem;
    line-height: 1.55;
}

.promo-download-note code {
    color: var(--accent);
    font-family: var(--font-mono);
}

/* --- CTA Section --- */

.promo-cta-section {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.promo-cta {
    text-align: center;
    padding: 4rem 2rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(var(--accent-rgb), 0.15);
    background:
        radial-gradient(ellipse at 50% 0%, rgba(var(--accent-rgb), 0.08) 0%, transparent 60%),
        var(--bg-tertiary);
}

.promo-cta-title {
    font-family: "Play", var(--font-sans);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.promo-cta-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.promo-cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* --- Footer --- */

.promo-footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    background: var(--bg-primary);
}

.promo-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.promo-footer-text {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.promo-footer-links {
    display: flex;
    gap: 1.5rem;
}

.promo-footer-link {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* --- Responsive --- */

@media (max-width: 768px) {
    .promo-hero {
        flex-direction: column;
        padding: 5rem 1.5rem 3rem;
        min-height: auto;
        gap: 2.5rem;
    }

    .promo-hero-content {
        width: 100%;
        max-width: 100%;
        text-align: center;
    }

    .promo-hero-title {
        font-size: 2.25rem;
    }

    .promo-hero-subtitle {
        max-width: 100%;
    }

    .promo-hero-actions {
        flex-wrap: wrap;
        justify-content: center;
    }

    .promo-hero-stats {
        justify-content: center;
    }

    .promo-hero-visual {
        width: 100%;
        max-width: 100%;
    }

    .promo-nav-links {
        gap: 0.75rem;
    }

    .promo-nav-link {
        display: none;
    }

    .promo-section {
        padding: 4rem 0;
    }

    .promo-section-title {
        font-size: 1.75rem;
    }

    .promo-format-grid {
        grid-template-columns: 1fr;
    }

    .promo-features-grid {
        grid-template-columns: 1fr;
    }

    .promo-challenge-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .promo-challenge-workflow {
        flex-direction: column;
    }

    .promo-flow-icon {
        transform: rotate(90deg);
    }

    .promo-download-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
    }

    .promo-cta {
        padding: 2.5rem 1.5rem;
    }

    .promo-cta-title {
        font-size: 1.5rem;
    }

    .promo-cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .promo-footer-inner {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .promo-hero-title {
        font-size: 1.75rem;
    }

    .promo-hero-subtitle {
        font-size: 0.9375rem;
    }

    .promo-btn-hero {
        padding: 0.75rem 1.5rem !important;
        font-size: 0.875rem !important;
    }

    .promo-quick-start-header,
    .promo-quick-start-step,
    .promo-quick-start-note {
        padding-right: 1rem;
        padding-left: 1rem;
    }

    .promo-section-header {
        margin-bottom: 2.5rem;
    }

    .promo-section-desc {
        font-size: 0.9375rem;
    }

    .promo-feature-card {
        padding: 1.5rem;
    }

    .promo-download-card {
        padding-right: 1rem;
        padding-left: 1rem;
    }

    .promo-install-content pre code {
        font-size: 0.6rem;
    }
}

/* --- Tablet features grid --- */
@media (min-width: 481px) and (max-width: 768px) {
    .promo-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (prefers-reduced-motion: reduce) {
    .promo-hero-grid,
    .promo-hero-glow,
    .promo-gradient-text,
    .promo-btn-pulse {
        animation: none;
    }

    .reveal {
        transition: none;
    }
}