/* =============================================================================
   AO PC — Landing page styles. Dark theme matching the QML app.
============================================================================= */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg:           #0a0f1e;
    --bg-raised:   #0d1424;
    --card:        #0f172a;
    --card-hover:  #162038;
    --stroke:      #1c2742;
    --stroke-strong: #283556;

    --text:        #f1f5f9;
    --text-2:      #94a3b8;
    --text-dim:    #64748b;
    --text-muted:  #475569;

    --accent:      #a855f7;
    --accent-d:    #9333ea;
    --accent-l:    #c084fc;
    --amber:       #f59e0b;
    --red:         #ef4444;
    --blue:        #3b82f6;
    --green:       #22c55e;
    --cyan:        #06b6d4;

    --grad: linear-gradient(135deg, #a855f7 0%, #6366f1 100%);
    --grad-amber: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
}

html, body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    position: relative;
}

a {
    color: var(--text);
    text-decoration: none;
}

code {
    background: rgba(168, 85, 247, 0.12);
    color: var(--accent-l);
    padding: 1px 7px;
    border-radius: 5px;
    font-family: 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.92em;
}

/* ── Animated background blobs ──────────────────────────────────────────── */
.bg-blobs {
    position: fixed;
    inset: 0;
    overflow: hidden;
    z-index: -1;
    pointer-events: none;
}
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.20;
}
.blob-1 {
    width: 520px; height: 520px;
    background: var(--accent);
    top: -120px; left: -100px;
    animation: blob1 18s ease-in-out infinite;
}
.blob-2 {
    width: 460px; height: 460px;
    background: #1e3a8a;
    top: 30%; right: -120px;
    animation: blob2 22s ease-in-out infinite;
}
.blob-3 {
    width: 380px; height: 380px;
    background: #581c87;
    bottom: -80px; left: 35%;
    animation: blob3 26s ease-in-out infinite;
}
@keyframes blob1 {
    0%, 100% { transform: translate(0,0)   scale(1); }
    50%      { transform: translate(180px,80px) scale(1.1); }
}
@keyframes blob2 {
    0%, 100% { transform: translate(0,0); }
    50%      { transform: translate(-120px,140px); }
}
@keyframes blob3 {
    0%, 100% { transform: translate(0,0)   scale(1); }
    50%      { transform: translate(-100px,-90px) scale(1.15); }
}

/* ── Navigation ─────────────────────────────────────────────────────────── */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    background: rgba(10, 15, 30, 0.7);
    border-bottom: 1px solid var(--stroke);
}
.nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 16px 32px;
    display: flex;
    align-items: center;
    gap: 32px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 18px;
}
.logo-bolt {
    font-size: 22px;
    color: var(--accent);
    filter: drop-shadow(0 0 8px rgba(168, 85, 247, 0.5));
}
.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 0 10px rgba(168, 85, 247, 0.45));
    transition: filter 0.25s ease, transform 0.25s ease;
}
.logo:hover .logo-mark {
    filter: drop-shadow(0 0 18px rgba(168, 85, 247, 0.75));
    transform: rotate(-4deg);
}
.logo-name { letter-spacing: 0.5px; }
.logo-version {
    font-size: 11px;
    color: var(--text-dim);
    font-weight: 500;
}
.nav-links {
    display: flex;
    gap: 28px;
    margin-left: 36px;
}
.nav-links a {
    color: var(--text-2);
    font-size: 14px;
    font-weight: 500;
    transition: color 200ms ease;
}
.nav-links a:hover { color: var(--text); }

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 22px;
    border-radius: 12px;
    border: 1px solid var(--stroke);
    background: transparent;
    color: var(--text);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 220ms cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}
.btn-small  { padding: 8px 16px; font-size: 13px; margin-left: auto; }
.btn-large  { padding: 16px 28px; font-size: 15px; }
.btn-primary {
    background: var(--grad);
    border: none;
    box-shadow: 0 8px 32px -8px rgba(168, 85, 247, 0.6),
                inset 0 1px 0 rgba(255, 255, 255, 0.15);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 44px -8px rgba(168, 85, 247, 0.7),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.btn-ghost:hover {
    background: var(--card-hover);
    border-color: var(--accent);
}
.btn .arrow {
    transition: transform 220ms ease;
    display: inline-block;
}
.btn:hover .arrow { transform: translateX(4px); }
.btn .btn-icon { font-size: 18px; }
.btn .btn-sub {
    font-size: 11px;
    opacity: 0.75;
    font-weight: 400;
    margin-left: 4px;
    border-left: 1px solid rgba(255, 255, 255, 0.25);
    padding-left: 10px;
}

/* ── Hero ───────────────────────────────────────────────────────────────── */
.hero {
    max-width: 1280px;
    margin: 0 auto;
    padding: 80px 32px 100px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 60px;
    align-items: center;
}
.hero-content { max-width: 600px; }

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(168, 85, 247, 0.10);
    border: 1px solid rgba(168, 85, 247, 0.3);
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-l);
    margin-bottom: 28px;
}
.badge-pill .dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    animation: blink 1.6s ease-in-out infinite;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -1.5px;
    margin-bottom: 22px;
}
.grad {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.grad-amber {
    background: var(--grad-amber);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.lead {
    font-size: 17px;
    color: var(--text-2);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 540px;
}
.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.stat-num {
    font-size: 32px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -1px;
}
.stat-label {
    font-size: 12px;
    color: var(--text-dim);
    font-weight: 500;
}

/* ── Mock app window ────────────────────────────────────────────────────── */
.hero-screenshot {
    position: relative;
}
.window {
    background: var(--bg-raised);
    border: 1px solid var(--stroke);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.7),
                0 0 0 1px rgba(255, 255, 255, 0.05) inset,
                0 80px 120px -40px rgba(168, 85, 247, 0.25);
    animation: floatWindow 6s ease-in-out infinite;
}
@keyframes floatWindow {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-8px); }
}
.window-title {
    height: 38px;
    background: #060d1a;
    display: flex;
    align-items: center;
    padding: 0 14px;
    gap: 14px;
    border-bottom: 1px solid var(--stroke);
}
.window-dots {
    display: flex;
    gap: 6px;
}
.window-dots .dot {
    width: 11px; height: 11px;
    border-radius: 50%;
}
.d-r { background: #ef4444; }
.d-y { background: #f59e0b; }
.d-g { background: #22c55e; }
.window-name {
    color: var(--text-2);
    font-size: 11px;
    font-weight: 500;
}
.window-body {
    display: grid;
    grid-template-columns: 150px 1fr 200px;
    min-height: 460px;
}

.mock-side {
    background: #0d1326;
    border-right: 1px solid var(--stroke);
    padding: 16px 10px;
}
.mock-brand {
    color: var(--text);
    font-weight: 700;
    padding: 8px 12px 16px;
    font-size: 14px;
}
.mock-nav {
    padding: 9px 12px;
    border-radius: 8px;
    color: var(--text-2);
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 2px;
    transition: all 200ms ease;
    cursor: pointer;
}
.mock-nav:hover { background: #15203a; color: var(--text); }
.mock-nav.active {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 12px -2px rgba(168, 85, 247, 0.5);
}

.mock-main {
    padding: 20px 22px;
    overflow: hidden;
}
.mock-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}
.mock-sub {
    font-size: 11px;
    color: var(--text-2);
    margin-bottom: 16px;
}
.mock-card {
    background: var(--card);
    border: 1px solid var(--stroke);
    border-radius: 12px;
    padding: 14px 16px;
    margin-bottom: 10px;
    transition: all 220ms ease;
}
.mock-card:hover {
    background: var(--card-hover);
    border-color: var(--accent);
    transform: translateY(-1px);
}
.mock-card-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
}
.mock-emoji {
    width: 36px; height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}
.mock-card-info { flex: 1; }
.mock-card-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
}
.mock-card-id {
    font-size: 9px;
    color: var(--text-muted);
}
.mock-toggle {
    width: 40px; height: 22px;
    border-radius: 11px;
    background: #1e293b;
    position: relative;
    transition: background 220ms ease;
}
.mock-toggle.on { background: var(--accent); }
.mock-knob {
    position: absolute;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: #fff;
    top: 3px;
    left: 3px;
    transition: left 220ms ease;
}
.mock-toggle.on .mock-knob { left: 21px; }

.mock-card-desc {
    font-size: 10px;
    color: var(--text-2);
    margin-bottom: 8px;
    line-height: 1.5;
}
.mock-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}
.badge {
    font-size: 8px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 10px;
    border: 1px solid var(--stroke);
    background: var(--bg);
    color: var(--text-2);
    letter-spacing: 0.4px;
}
.badge-applied {
    background: #0a1f12;
    border-color: var(--accent);
    color: var(--accent);
}
.badge-rec {
    background: #1e1500;
    border-color: var(--amber);
    color: var(--amber);
}
.badge-reboot {
    background: #082530;
    border-color: var(--cyan);
    color: var(--cyan);
}
.badge-admin {
    background: #1e0a2e;
    border-color: var(--accent);
    color: var(--accent);
}

.mock-info {
    background: #0d1326;
    border-left: 1px solid var(--stroke);
    padding: 16px 18px;
    font-size: 10px;
}
.info-title {
    font-size: 9px;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 10px;
}
.info-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
}
.info-row span:first-child {
    color: var(--text-muted);
    font-weight: 600;
}
.info-row span:last-child {
    color: var(--text);
    font-weight: 500;
}
.info-divider {
    height: 1px;
    background: var(--stroke);
    margin: 14px 0;
}
.bar-row {
    display: grid;
    grid-template-columns: 30px 1fr 30px;
    gap: 6px;
    align-items: center;
    margin-bottom: 8px;
}
.bar-label {
    font-size: 9px;
    font-weight: 700;
}
.bar-track {
    height: 4px;
    border-radius: 2px;
    background: #1e293b;
    overflow: hidden;
}
.bar-fill {
    display: block;
    height: 100%;
    border-radius: 2px;
    transition: width 600ms ease;
}
.bar-pct {
    font-size: 9px;
    text-align: right;
    color: var(--text);
    font-weight: 700;
}

/* ── Section heads ──────────────────────────────────────────────────────── */
.section-head {
    text-align: center;
    max-width: 820px;
    margin: 0 auto 56px;
}
.kicker {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
    margin-bottom: 14px;
}
.section-head h2 {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 16px;
}
.section-sub {
    font-size: 16px;
    color: var(--text-2);
    line-height: 1.6;
}

/* ── Features ───────────────────────────────────────────────────────────── */
.features {
    max-width: 1280px;
    margin: 0 auto;
    padding: 100px 32px;
}
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.feature {
    background: var(--card);
    border: 1px solid var(--stroke);
    border-radius: 18px;
    padding: 28px;
    transition: all 280ms cubic-bezier(0.4, 0, 0.2, 1);
}
.feature:hover {
    transform: translateY(-4px);
    background: var(--card-hover);
    border-color: var(--accent);
    box-shadow: 0 20px 40px -10px rgba(168, 85, 247, 0.25);
}
.feature-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 18px;
    background: color-mix(in srgb, var(--c) 15%, transparent);
    border: 1px solid color-mix(in srgb, var(--c) 35%, transparent);
}
.feature h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}
.feature p {
    color: var(--text-2);
    font-size: 14px;
    line-height: 1.6;
}

/* ── Tweaks grid ────────────────────────────────────────────────────────── */
.tweaks {
    max-width: 1280px;
    margin: 0 auto;
    padding: 100px 32px;
}
.tweak-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.tweak-tile {
    background: var(--card);
    border: 1px solid var(--stroke);
    border-radius: 12px;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 220ms ease;
}
.tweak-tile:hover {
    background: var(--card-hover);
    border-color: var(--stroke-strong);
    transform: translateX(2px);
}
.tweak-tile.rec {
    border-left: 3px solid var(--amber);
}
.t-emo {
    font-size: 22px;
    flex-shrink: 0;
}
.tweak-tile div {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.tweak-tile b {
    font-size: 12px;
    color: var(--text);
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.tweak-tile span {
    font-size: 10px;
    color: var(--text-2);
}

/* ── GPU section ────────────────────────────────────────────────────────── */
.gpu-section {
    max-width: 1280px;
    margin: 0 auto;
    padding: 100px 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.gpu-text .kicker { color: var(--red); }
.gpu-text h2 {
    font-size: 40px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 18px;
}
.gpu-text p {
    color: var(--text-2);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 24px;
}
.check-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--text);
    font-size: 14px;
}
.check {
    color: var(--accent);
    font-weight: 800;
    background: rgba(168, 85, 247, 0.15);
    border-radius: 50%;
    width: 22px; height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
    margin-top: 1px;
}

.gpu-card {
    background: var(--card);
    border: 1px solid var(--stroke);
    border-radius: 20px;
    padding: 26px;
    box-shadow: 0 20px 60px -20px rgba(168, 85, 247, 0.3);
}
.gpu-card-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
}
.gpu-icon {
    font-size: 36px;
    color: var(--accent);
}
.gpu-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}
.gpu-status {
    font-size: 11px;
    color: var(--accent);
}
.tile-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 22px;
}
.tile {
    background: var(--bg);
    border-radius: 10px;
    padding: 10px 12px;
}
.tile-label {
    font-size: 8px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.tile-val {
    font-size: 14px;
    font-weight: 700;
}
.pl-card {
    background: var(--bg);
    border-radius: 12px;
    padding: 16px 18px;
}
.pl-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.pl-range {
    font-size: 11px;
    color: var(--text-2);
    margin-bottom: 12px;
}
.pl-slider {
    position: relative;
    height: 30px;
    display: flex;
    align-items: center;
    gap: 14px;
}
.pl-track {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: #1e293b;
    overflow: hidden;
}
.pl-fill {
    display: block;
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
}
.pl-knob {
    position: absolute;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--accent);
    top: 50%;
    transform: translate(-50%, -50%);
}
.pl-value {
    color: var(--accent);
    font-size: 14px;
    font-weight: 700;
    min-width: 60px;
    text-align: right;
}

/* ── Download ───────────────────────────────────────────────────────────── */
.download {
    max-width: 1100px;
    margin: 60px auto 100px;
    padding: 0 32px;
}
.dl-card {
    background: linear-gradient(180deg, #0f172a 0%, #0a0f1e 100%);
    border: 1px solid var(--stroke);
    border-radius: 24px;
    padding: 60px 50px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.dl-card::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 700px; height: 400px;
    background: radial-gradient(ellipse at center, rgba(168, 85, 247, 0.2) 0%, transparent 60%);
    pointer-events: none;
}
.dl-card > * { position: relative; }

.dl-icon {
    font-size: 56px;
    color: var(--accent);
    margin-bottom: 16px;
    filter: drop-shadow(0 0 24px rgba(168, 85, 247, 0.6));
    animation: pulseIcon 2s ease-in-out infinite;
}
@keyframes pulseIcon {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.08); }
}
.dl-card h2 {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -1px;
}
.dl-card p {
    color: var(--text-2);
    font-size: 15px;
    margin-bottom: 36px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}
.dl-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    max-width: 720px;
    margin: 0 auto 24px;
}
.dl-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 22px 26px;
    background: var(--card);
    border: 1px solid var(--stroke);
    border-radius: 16px;
    transition: all 240ms cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
}
.dl-btn:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 16px 36px -12px rgba(168, 85, 247, 0.5);
    background: var(--card-hover);
}
.dl-btn.primary {
    background: var(--grad);
    border-color: transparent;
    box-shadow: 0 16px 40px -12px rgba(168, 85, 247, 0.6);
}
.dl-btn.primary:hover {
    box-shadow: 0 22px 50px -12px rgba(168, 85, 247, 0.75);
}
.dl-emoji {
    font-size: 32px;
    flex-shrink: 0;
}
.dl-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.dl-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
}
.dl-meta {
    font-size: 11px;
    color: var(--text-2);
}
.dl-btn.primary .dl-title { color: #fff; }
.dl-btn.primary .dl-meta  { color: rgba(255, 255, 255, 0.8); }
.dl-arrow {
    font-size: 22px;
    opacity: 0.5;
    transition: all 240ms ease;
}
.dl-btn:hover .dl-arrow { opacity: 1; transform: translateY(2px); }

.dl-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 24px;
}
.dl-tag {
    font-size: 11px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 14px;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.25);
    color: var(--accent-l);
}

.dl-details {
    max-width: 640px;
    margin: 0 auto;
    text-align: left;
    background: var(--bg);
    border: 1px solid var(--stroke);
    border-radius: 14px;
    padding: 18px 22px;
}
.dl-details summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--text-2);
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px;
}
.dl-details summary::after {
    content: '▾';
    margin-left: auto;
    transition: transform 200ms ease;
}
.dl-details[open] summary::after { transform: rotate(180deg); }
.dl-details ul {
    margin-top: 14px;
    padding-left: 22px;
    color: var(--text-2);
    font-size: 13px;
    line-height: 1.8;
}
.dl-details ul li::marker { color: var(--accent); }

/* ── Footer ─────────────────────────────────────────────────────────────── */
.footer {
    border-top: 1px solid var(--stroke);
    padding: 28px 32px;
    margin-top: 40px;
}
.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 16px;
}
.footer-version {
    font-size: 11px;
    color: var(--text-dim);
    margin-left: 4px;
}
.footer-links {
    display: flex;
    gap: 22px;
    flex: 1;
    justify-content: center;
}
.footer-links a {
    color: var(--text-2);
    font-size: 13px;
    transition: color 200ms ease;
}
.footer-links a:hover { color: var(--text); }
.footer-copy {
    color: var(--text-muted);
    font-size: 12px;
}

/* ── Reveal-on-scroll ───────────────────────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 600ms cubic-bezier(0.4, 0, 0.2, 1),
                transform 600ms cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal-in {
    opacity: 1;
    transform: translateY(0);
}

/* ── Toast ──────────────────────────────────────────────────────────────── */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--card);
    border: 1px solid var(--accent);
    color: var(--text);
    padding: 14px 22px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 16px 40px -10px rgba(168, 85, 247, 0.5);
    opacity: 0;
    transition: all 240ms cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.toast.toast-in {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 50px;
        padding: 60px 24px;
    }
    .hero h1 { font-size: 44px; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .tweak-grid   { grid-template-columns: repeat(2, 1fr); }
    .gpu-section  { grid-template-columns: 1fr; gap: 40px; }
    .nav-links    { display: none; }
}
@media (max-width: 640px) {
    .hero h1 { font-size: 36px; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .feature-grid, .tweak-grid { grid-template-columns: 1fr; }
    .dl-grid     { grid-template-columns: 1fr; }
    .section-head h2 { font-size: 32px; }
}