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

:root {
    --bg: #0b0b0f;
    --bg-alt: #111118;
    --bg-card: #16161e;
    --bg-card-hover: #1e1e2a;
    --text: #e4e1ec;
    --text-dim: #8a8796;
    --text-muted: #5c5a66;
    --accent: #c471ed;
    --accent2: #f7797d;
    --accent3: #12c2e9;
    --green: #4ade80;
    --border: #25242e;
    --border-light: #2e2d3a;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 4px 32px rgba(0, 0, 0, 0.4);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: rgba(196, 113, 237, 0.3);
    color: #fff;
}

.container {
    max-width: 920px;
    margin: 0 auto;
    padding: 0 28px;
}

.section {
    padding: 100px 0;
}

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

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    background: rgba(196, 113, 237, 0.1);
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 16px;
}

h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
}

h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

h4 {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    margin-bottom: 12px;
}

.section-lead {
    font-size: 1.05rem;
    color: var(--text-dim);
    max-width: 620px;
    margin: 0 auto;
}

code {
    background: rgba(196, 113, 237, 0.12);
    color: var(--accent);
    padding: 2px 7px;
    border-radius: 4px;
    font-size: 0.88em;
    font-family: "SF Mono", "Fira Code", "Cascadia Code", monospace;
}

strong {
    color: var(--text);
    font-weight: 600;
}

a {
    color: var(--accent3);
    text-decoration: none;
    transition: color 0.2s, opacity 0.2s;
}

a:hover {
    color: var(--accent);
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(11, 11, 15, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 920px;
    margin: 0 auto;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.nav-logo {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-img {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    object-fit: cover;
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links a {
    font-size: 0.85rem;
    color: var(--text-dim);
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text);
}

/* ===== Hero ===== */
#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    overflow: hidden;
    background: var(--bg);
}

.hero-glow {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 50% at 50% 30%, rgba(196, 113, 237, 0.1) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 75% 60%, rgba(18, 194, 233, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 40% 35% at 25% 35%, rgba(247, 121, 125, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.3;
    animation: floatUp linear infinite;
}

.p1 { width: 6px; height: 6px; background: var(--accent); left: 15%; top: 70%; animation-duration: 12s; animation-delay: 0s; }
.p2 { width: 4px; height: 4px; background: var(--accent2); left: 35%; top: 80%; animation-duration: 15s; animation-delay: 2s; }
.p3 { width: 8px; height: 8px; background: var(--accent3); left: 55%; top: 75%; animation-duration: 10s; animation-delay: 4s; }
.p4 { width: 5px; height: 5px; background: var(--accent); left: 75%; top: 85%; animation-duration: 14s; animation-delay: 1s; }
.p5 { width: 3px; height: 3px; background: var(--accent2); left: 20%; top: 65%; animation-duration: 18s; animation-delay: 3s; }
.p6 { width: 7px; height: 7px; background: var(--accent3); left: 65%; top: 70%; animation-duration: 11s; animation-delay: 5s; }
.p7 { width: 4px; height: 4px; background: var(--accent); left: 85%; top: 78%; animation-duration: 16s; animation-delay: 6s; }
.p8 { width: 6px; height: 6px; background: var(--accent2); left: 45%; top: 82%; animation-duration: 13s; animation-delay: 7s; }

@keyframes floatUp {
    0% { transform: translateY(0) translateX(0) scale(1); opacity: 0; }
    10% { opacity: 0.3; }
    90% { opacity: 0.3; }
    100% { transform: translateY(-120vh) translateX(40px) scale(0.5); opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.hero-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent2);
    background: rgba(247, 121, 125, 0.1);
    padding: 5px 16px;
    border-radius: 20px;
    margin-bottom: 28px;
    border: 1px solid rgba(247, 121, 125, 0.2);
}

.hero-line1 {
    display: block;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 50%, var(--accent3) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: clamp(3rem, 7vw, 5rem);
    margin-bottom: 4px;
}

.hero-line2 {
    display: block;
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--text-dim);
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--text-dim);
    line-height: 1.9;
    margin: 28px 0 36px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.stat-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 36px;
    border-radius: 40px;
    background: linear-gradient(135deg, rgba(196, 113, 237, 0.15), rgba(18, 194, 233, 0.15));
    border: 1px solid rgba(196, 113, 237, 0.3);
    color: var(--text);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s;
}

.hero-cta:hover {
    background: linear-gradient(135deg, rgba(196, 113, 237, 0.25), rgba(18, 194, 233, 0.25));
    border-color: rgba(196, 113, 237, 0.5);
    color: var(--text);
    transform: translateY(-2px);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.hero-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 16px 32px;
    border-radius: 16px;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s;
    text-decoration: none;
    min-width: 240px;
}

.hero-btn span {
    font-size: 0.75rem;
    font-weight: 400;
    opacity: 0.7;
}

.hero-btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: #fff;
    box-shadow: 0 4px 24px rgba(196, 113, 237, 0.35);
}

.hero-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(196, 113, 237, 0.5);
    color: #fff;
}

.hero-btn-gh {
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    color: var(--text);
}

.hero-btn-gh:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
    transform: translateY(-3px);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    color: var(--text);
}

.cta-arrow {
    animation: bounce 1.5s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* ===== What ===== */
.what-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.what-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.what-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent3));
    opacity: 0;
    transition: opacity 0.3s;
}

.what-card:hover {
    border-color: var(--border-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.what-card:hover::before {
    opacity: 1;
}

.what-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    background: rgba(196, 113, 237, 0.08);
    font-size: 1.5rem;
}

.what-card h3 {
    margin-bottom: 10px;
}

.what-card p {
    color: var(--text-dim);
    font-size: 0.92rem;
    line-height: 1.7;
}

.what-detail {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    font-size: 0.85rem !important;
    color: var(--text-muted) !important;
}

.quote-block {
    text-align: center;
    padding: 28px;
    background: linear-gradient(135deg, rgba(196, 113, 237, 0.05), rgba(18, 194, 233, 0.05));
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.quote-block p {
    font-size: 1.1rem;
    color: var(--text-dim);
    font-style: italic;
}

/* ===== Name ===== */
.name-layout {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.name-card {
    display: flex;
    gap: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: all 0.3s;
}

.name-card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow);
}

.name-card-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(196, 113, 237, 0.06);
    border-radius: 16px;
}

.name-card-body {
    flex: 1;
}

.name-card-body p {
    color: var(--text-dim);
    font-size: 0.95rem;
}

.name-visual {
    margin-top: 20px;
}

.visual-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.visual-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.visual-item span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.visual-box {
    width: 100px;
    height: 100px;
    border-radius: 50%;
}

.mushroom-shape {
    background: radial-gradient(ellipse at 50% 35%,
        rgba(196, 113, 237, 0.5),
        rgba(247, 121, 125, 0.3) 35%,
        rgba(18, 194, 233, 0.2) 65%,
        transparent);
    border: 2px solid rgba(196, 113, 237, 0.3);
    filter: blur(3px);
}

.nature-shape {
    background: radial-gradient(ellipse at 50% 40%,
        rgba(74, 222, 128, 0.5),
        rgba(74, 222, 128, 0.3) 40%,
        rgba(74, 222, 128, 0.1) 70%,
        transparent);
    border: 2px solid rgba(74, 222, 128, 0.3);
    filter: blur(2px);
}

.visual-arrow {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dim);
}

/* ===== Popular ===== */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 48px;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 31px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent), var(--accent2), var(--accent3));
    opacity: 0.3;
}

.timeline-item {
    display: flex;
    gap: 28px;
    padding: 24px 0;
}

.timeline-marker {
    flex-shrink: 0;
    width: 64px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 2px;
    z-index: 1;
}

.t-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border);
    font-weight: 800;
    font-size: 0.9rem;
    color: var(--accent);
}

.timeline-body {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: all 0.3s;
}

.timeline-body:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow);
}

.timeline-body p {
    color: var(--text-dim);
    font-size: 0.93rem;
}

.t-compare {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
}

.t-compare-item {
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
}

.t-compare-item.bad {
    background: rgba(247, 121, 125, 0.08);
    border: 1px solid rgba(247, 121, 125, 0.15);
    color: var(--accent2);
}

.t-compare-item.good {
    background: rgba(74, 222, 128, 0.08);
    border: 1px solid rgba(74, 222, 128, 0.15);
    color: var(--green);
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.stats-card {
    background: linear-gradient(135deg, rgba(196, 113, 237, 0.06), rgba(18, 194, 233, 0.06));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
}

.stats-bignum {
    display: block;
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stats-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ===== Tech ===== */
.tech-grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.tech-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.3s;
}

.tech-card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow);
}

.tech-card-head {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 28px 0;
}

.tech-card-num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
    opacity: 0.4;
    flex-shrink: 0;
}

.tech-card-body {
    padding: 16px 28px 28px;
}

.tech-card-body p {
    color: var(--text-dim);
    font-size: 0.93rem;
    margin-bottom: 12px;
}

.tech-flow {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 0;
    flex-wrap: wrap;
}

.tf-box {
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    background: var(--bg-alt);
    border: 1px solid var(--border);
}

.tf-highlight {
    background: rgba(196, 113, 237, 0.1);
    border-color: rgba(196, 113, 237, 0.3);
    color: var(--accent);
}

.tf-arrow {
    font-size: 0.8rem;
    color: var(--text-muted);
    padding: 0 4px;
}

.tech-note {
    background: rgba(18, 194, 233, 0.06);
    border-left: 3px solid var(--accent3);
    padding: 14px 18px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-top: 8px;
    font-size: 0.85rem !important;
}

.tech-note-box {
    background: rgba(247, 121, 125, 0.06);
    border: 1px solid rgba(247, 121, 125, 0.15);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    margin-top: 12px;
    font-size: 0.88rem;
    color: var(--text-dim);
}

.code-showcase {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 16px 0;
}

.code-step {
    display: flex;
    gap: 14px;
    align-items: baseline;
    padding: 10px 16px;
    background: #0a0a10;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.cs-label {
    flex-shrink: 0;
    font-weight: 700;
    color: var(--accent3);
    font-size: 0.85rem;
    font-family: "SF Mono", "Fira Code", monospace;
}

.cs-desc {
    color: var(--text-dim);
    font-size: 0.85rem;
}

.stress-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 16px 0;
}

.stress-item {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px 16px;
    text-align: center;
}

.stress-icon {
    font-size: 1.5rem;
    display: block;
    margin-bottom: 8px;
}

.stress-item strong {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.stress-item p {
    font-size: 0.8rem !important;
    color: var(--text-muted) !important;
}

.calc-showcase {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 20px 0;
}

.calc-item {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 14px;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 700;
}

.calc-item span {
    display: block;
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-top: 2px;
}

.calc-op {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-muted);
}

.calc-result {
    background: rgba(247, 121, 125, 0.1) !important;
    border-color: rgba(247, 121, 125, 0.3) !important;
    color: var(--accent2) !important;
    font-size: 1.3rem !important;
}

/* ===== Demo ===== */
.demo-layout {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    justify-content: center;
}

.demo-stage {
    flex-shrink: 0;
}

#demo-canvas {
    display: block;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    cursor: grab;
}

#demo-canvas:active {
    cursor: grabbing;
}

.demo-controls-hint {
    display: flex;
    justify-content: center;
    gap: 16px;
    padding: 14px 0 0;
    font-size: 0.8rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.demo-info h3 {
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.demo-compare {
    display: flex;
    gap: 16px;
    align-items: stretch;
    margin-bottom: 16px;
}

.dc-col {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px 18px;
}

.dc-label {
    display: block;
    font-weight: 700;
    font-size: 0.88rem;
    margin-bottom: 10px;
    color: var(--accent);
}

.dc-col ul {
    list-style: none;
    padding: 0;
}

.dc-col li {
    font-size: 0.82rem;
    color: var(--text-dim);
    padding: 3px 0;
}

.dc-col li::before {
    content: '· ';
    color: var(--text-muted);
}

.dc-vs {
    display: flex;
    align-items: center;
    font-weight: 800;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.demo-disclaimer {
    background: rgba(247, 121, 125, 0.06);
    border: 1px solid rgba(247, 121, 125, 0.15);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 0.82rem !important;
}

/* ===== Footer ===== */
#footer {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    padding: 56px 0 28px;
}

.footer-inner {
    max-width: 920px;
    margin: 0 auto;
    padding: 0 28px;
}

.footer-main {
    display: flex;
    gap: 48px;
    margin-bottom: 32px;
}

.footer-brand {
    flex-shrink: 0;
}

.footer-logo {
    font-size: 2rem;
    display: block;
    margin-bottom: 8px;
}

.footer-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
    display: block;
    margin-bottom: 8px;
}

.footer-brand p {
    font-weight: 700;
    font-size: 1rem;
}

.footer-links {
    display: flex;
    gap: 48px;
    flex: 1;
}

.footer-col a {
    display: block;
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-bottom: 6px;
}

.footer-col p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ===== Scroll animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .section {
        padding: 64px 0;
    }

    .nav-links {
        display: none;
    }

    .what-grid {
        grid-template-columns: 1fr;
    }

    .name-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .visual-row {
        flex-direction: column;
    }

    .visual-arrow {
        transform: rotate(90deg);
    }

    .timeline-item {
        gap: 16px;
    }

    .timeline-marker {
        width: 48px;
    }

    .t-num {
        width: 34px;
        height: 34px;
        font-size: 0.75rem;
    }

    .timeline::before {
        left: 23px;
    }

    .stats-row {
        grid-template-columns: 1fr;
    }

    .stress-grid {
        grid-template-columns: 1fr;
    }

    .calc-showcase {
        flex-direction: column;
    }

    .calc-op {
        transform: rotate(90deg);
    }

    .demo-layout {
        flex-direction: column;
        align-items: center;
    }

    .demo-compare {
        flex-direction: column;
    }

    .dc-vs {
        justify-content: center;
    }

    .dc-vs::before,
    .dc-vs::after {
        content: '——';
        margin: 0 8px;
    }

    .footer-main {
        flex-direction: column;
        gap: 24px;
    }

    .footer-links {
        flex-direction: column;
        gap: 20px;
    }
}