/* Opcelerate Neural — Product Presentation Styles v2 */
/* Light/Dark Mode + Animations + Graphs + Hero Images */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Outfit:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ─── DARK THEME (default) ─── */
:root {
    --bg: #0A0A0A;
    --bg2: #111;
    --bg3: #181818;
    --accent: #E8842A;
    --accent-dim: rgba(232, 132, 42, .12);
    --text: #E0E0E0;
    --text2: #999;
    --text3: #666;
    --border: rgba(255, 255, 255, .06);
    --border2: rgba(232, 132, 42, .1);
    --card-bg: linear-gradient(145deg, rgba(255, 255, 255, .03), rgba(255, 255, 255, .01));
    --card-hover-shadow: 0 20px 60px rgba(0, 0, 0, .3);
    --table-hover: rgba(255, 255, 255, .02);
    --grid-line: rgba(255, 255, 255, .015);
    --fh: 'Bebas Neue', sans-serif;
    --fb: 'Outfit', sans-serif;
    --fm: 'JetBrains Mono', monospace;
    --max: 1100px;
    --ease: cubic-bezier(.4, 0, .2, 1);
}

/* ─── LIGHT THEME ─── */
[data-theme="light"] {
    --bg: #F8F5F0;
    --bg2: #FFFCF8;
    --bg3: #F0ECE4;
    --text: #1A1A1A;
    --text2: #555;
    --text3: #888;
    --border: rgba(0, 0, 0, .08);
    --border2: rgba(232, 132, 42, .15);
    --card-bg: linear-gradient(145deg, rgba(255, 255, 255, .8), rgba(255, 255, 255, .5));
    --card-hover-shadow: 0 20px 60px rgba(0, 0, 0, .08);
    --table-hover: rgba(0, 0, 0, .02);
    --grid-line: rgba(0, 0, 0, .03);
}

[data-theme="light"] body {
    background: var(--bg);
    color: var(--text);
}

[data-theme="light"] .card {
    background: var(--card-bg);
    border-color: var(--border);
    box-shadow: 0 2px 12px rgba(0, 0, 0, .04);
}

[data-theme="light"] .flow {
    background: rgba(0, 0, 0, .02);
}

[data-theme="light"] .flow-step {
    background: rgba(255, 255, 255, .8);
}

[data-theme="light"] .pricing-banner {
    background: linear-gradient(145deg, rgba(232, 132, 42, .06), rgba(0, 0, 0, .02));
}

[data-theme="light"] .back-btn {
    box-shadow: 0 4px 20px rgba(232, 132, 42, .2);
}

[data-theme="light"] .btn-outline {
    border-color: rgba(0, 0, 0, .15);
    color: var(--text);
}

[data-theme="light"] .hero-img {
    box-shadow: 0 20px 80px rgba(0, 0, 0, .15);
}

[data-theme="light"] .chart-container {
    background: rgba(255, 255, 255, .7);
}

[data-theme="light"] .savings-calculator {
    background: rgba(255, 255, 255, .7);
}

[data-theme="light"] body::after {
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
}

/* ─── THEME TOGGLE ─── */
.theme-toggle {
    position: fixed;
    top: 1.5rem;
    right: 2rem;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: .6rem;
    cursor: pointer;
    user-select: none;
    font-family: var(--fm);
    font-size: .6rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--text3);
}

.theme-toggle .toggle-track {
    width: 48px;
    height: 26px;
    border-radius: 13px;
    background: rgba(255, 255, 255, .1);
    border: 1.5px solid rgba(255, 255, 255, .15);
    position: relative;
    transition: all .3s var(--ease);
}

[data-theme="light"] .theme-toggle .toggle-track {
    background: rgba(0, 0, 0, .06);
    border-color: rgba(0, 0, 0, .12);
}

.theme-toggle .toggle-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    position: absolute;
    top: 2px;
    left: 2px;
    transition: all .3s var(--ease);
    box-shadow: 0 2px 8px rgba(232, 132, 42, .4);
}

[data-theme="light"] .theme-toggle .toggle-thumb {
    left: 24px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--fb);
    background: var(--bg);
    color: var(--text);
    font-size: 17px;
    line-height: 1.75;
    overflow-x: hidden;
    transition: background .5s var(--ease), color .5s var(--ease);
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 60px 60px;
}

::selection {
    background: var(--accent);
    color: white;
}

.container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 5vw, 4rem);
    position: relative;
    z-index: 1;
}

/* ─── BACK BUTTON ─── */
.back-btn {
    position: fixed;
    top: 1.5rem;
    left: 2rem;
    font-family: var(--fm);
    font-size: .7rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: white;
    background: rgba(232, 132, 42, .9);
    padding: .5rem 1.25rem;
    border-radius: 60px;
    text-decoration: none;
    z-index: 100;
    transition: all .3s var(--ease);
    box-shadow: 0 4px 20px rgba(232, 132, 42, .3);
    backdrop-filter: blur(10px);
}

.back-btn:hover {
    background: #d4751f;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(232, 132, 42, .45);
}

/* ─── HERO ─── */
.p-hero {
    padding: clamp(6rem, 15vw, 10rem) 0 clamp(3rem, 8vw, 5rem);
    position: relative;
}

.p-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    border-radius: 50%;
    pointer-events: none;
}

.p-badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .35rem .85rem;
    border-radius: 60px;
    font-family: var(--fm);
    font-size: .65rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    margin-bottom: 2rem;
    animation: badgePulse 3s ease-in-out infinite;
}

@keyframes badgePulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 var(--product-glow);
    }

    50% {
        box-shadow: 0 0 20px var(--product-glow);
    }
}

.p-title {
    font-family: var(--fh);
    font-size: clamp(3.5rem, 10vw, 6rem);
    font-weight: 400;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: 1.5rem;
}

.p-title .highlight {
    background: linear-gradient(135deg, var(--product-color), var(--product-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.p-subtitle {
    font-size: 1.15rem;
    color: var(--text2);
    max-width: 650px;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

/* ─── HERO IMAGE ─── */
.hero-img {
    width: 100%;
    max-width: 900px;
    margin: 3rem auto 0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 80px rgba(0, 0, 0, .4);
    border: 1px solid var(--border);
    animation: heroFloat 6s ease-in-out infinite;
}

.hero-img img {
    width: 100%;
    height: auto;
    display: block;
}

@keyframes heroFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

/* ─── DEMO IFRAME ─── */
.demo-container {
    width: 100%;
    max-width: 1100px;
    margin: 2rem auto 0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 80px rgba(0, 0, 0, .4);
    border: 1px solid var(--border);
    position: relative;
    background: #0c0f14;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.demo-container:hover {
    transform: translateY(-4px);
    box-shadow: 0 30px 100px rgba(0, 0, 0, .5);
}

.demo-container iframe {
    width: 100%;
    height: 600px;
    border: none;
    display: block;
}

.demo-toolbar {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .5rem 1rem;
    background: #0c0f14;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.demo-toolbar .dots {
    display: flex;
    gap: 5px;
}

.demo-toolbar .dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.demo-toolbar .dot-r {
    background: #ef4444;
}

.demo-toolbar .dot-y {
    background: #facc15;
}

.demo-toolbar .dot-g {
    background: #22c55e;
}

.demo-toolbar .demo-url {
    flex: 1;
    font-family: var(--fm);
    font-size: .55rem;
    color: rgba(255, 255, 255, .35);
    background: rgba(255, 255, 255, .04);
    padding: .25rem .6rem;
    border-radius: 4px;
    letter-spacing: .03em;
}

.demo-toolbar .demo-badge {
    font-family: var(--fm);
    font-size: .5rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: .2rem .5rem;
    border-radius: 4px;
    background: rgba(34, 197, 94, .12);
    color: #22c55e;
    animation: demoPulse 2s infinite;
}

@keyframes demoPulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: .5;
    }
}

.demo-fullscreen {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .4rem .8rem;
    margin-top: .75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text2);
    text-decoration: none;
    font-family: var(--fm);
    font-size: .6rem;
    letter-spacing: .04em;
    transition: all .3s;
    background: transparent;
    cursor: pointer;
}

.demo-fullscreen:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
}

[data-theme="light"] .demo-container {
    box-shadow: 0 20px 80px rgba(0, 0, 0, .12);
    border-color: rgba(0, 0, 0, .1);
}

/* ─── STAT ROW ─── */
.stat-row {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
    margin: 2rem 0 0;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--fh);
    font-size: 2.5rem;
    color: var(--product-color);
    letter-spacing: .03em;
}

/* Animated counting numbers */
.stat-num[data-target] {
    transition: color .3s var(--ease);
}

.stat-label {
    font-family: var(--fm);
    font-size: .6rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--text3);
}

/* ─── SECTION ─── */
.p-section {
    padding: clamp(3rem, 8vw, 5rem) 0;
    border-top: 1px solid var(--border);
}

.section-label {
    font-family: var(--fm);
    font-size: .65rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--product-color);
    display: flex;
    align-items: center;
    gap: .75rem;
    margin-bottom: 1rem;
}

.section-label::before {
    content: '';
    width: 2rem;
    height: 1px;
    background: var(--product-color);
}

.section-title {
    font-family: var(--fh);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 400;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: 1rem;
}

.section-desc {
    font-size: 1rem;
    color: var(--text2);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

/* ─── CARDS ─── */
.card-grid {
    display: grid;
    gap: 1.25rem;
}

.g2 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.g3 {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: all .4s var(--ease);
}

.card:hover {
    border-color: var(--product-color);
    box-shadow: var(--card-hover-shadow);
    transform: translateY(-4px);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1rem;
    transition: transform .3s var(--ease);
}

.card:hover .card-icon {
    transform: scale(1.15) rotate(-3deg);
}

.card h3 {
    font-family: var(--fb);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: .5rem;
}

.card p {
    color: var(--text2);
    font-size: .9rem;
}

/* ─── FLOW DIAGRAM ─── */
.flow {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: rgba(255, 255, 255, .02);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow-x: auto;
    margin: 2rem 0;
}

.flow-step {
    flex: 1;
    min-width: 150px;
    text-align: center;
    padding: 1.25rem;
    background: rgba(255, 255, 255, .03);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all .3s var(--ease);
}

.flow-step:hover {
    border-color: var(--product-color);
    transform: translateY(-2px);
}

.flow-step .step-num {
    font-family: var(--fm);
    font-size: .6rem;
    letter-spacing: .15em;
    color: var(--product-color);
    margin-bottom: .5rem;
}

.flow-step .step-title {
    font-weight: 600;
    font-size: .9rem;
    margin-bottom: .25rem;
}

.flow-step .step-desc {
    font-size: .75rem;
    color: var(--text3);
}

.flow-arrow {
    color: var(--product-color);
    font-size: 1.2rem;
    flex-shrink: 0;
    opacity: .6;
    animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {

    0%,
    100% {
        opacity: .4;
        transform: translateX(0);
    }

    50% {
        opacity: 1;
        transform: translateX(4px);
    }
}

/* ─── CHARTS / GRAPHS ─── */
.chart-container {
    background: rgba(255, 255, 255, .02);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    margin: 2rem 0;
}

.chart-title {
    font-family: var(--fh);
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: .5rem;
}

.chart-subtitle {
    font-size: .85rem;
    color: var(--text3);
    margin-bottom: 1.5rem;
}

/* Horizontal bar chart (CSS only) */
.bar-chart {
    display: flex;
    flex-direction: column;
    gap: .6rem;
}

.bar-row {
    display: grid;
    grid-template-columns: 160px 1fr 90px;
    gap: 1rem;
    align-items: center;
}

.bar-label {
    font-family: var(--fm);
    font-size: .65rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--text2);
    text-align: right;
}

.bar-track {
    height: 28px;
    background: rgba(255, 255, 255, .04);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

[data-theme="light"] .bar-track {
    background: rgba(0, 0, 0, .04);
}

.bar-fill {
    height: 100%;
    border-radius: 6px;
    width: 0;
    transition: width 1.5s var(--ease);
    position: relative;
}

.bar-fill.animated {
    /* width is set inline; this class triggers the transition */
}

.bar-fill-before {
    background: linear-gradient(90deg, #ef4444, #dc2626);
    opacity: .35;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    border-radius: 6px;
}

.bar-fill-after {
    background: linear-gradient(90deg, #22c55e, #16a34a);
    position: relative;
    z-index: 1;
}

.bar-value {
    font-family: var(--fm);
    font-size: .75rem;
    font-weight: 600;
    color: #4ade80;
}

/* Donut chart (CSS only) */
.donut-container {
    display: flex;
    align-items: center;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
}

.donut {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.donut-center {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

[data-theme="light"] .donut-center {
    background: var(--bg);
}

.donut-value {
    font-family: var(--fh);
    font-size: 2.2rem;
    color: var(--product-color);
}

.donut-label {
    font-family: var(--fm);
    font-size: .5rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text3);
}

.donut-legend {
    display: flex;
    flex-direction: column;
    gap: .6rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-size: .85rem;
    color: var(--text2);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    flex-shrink: 0;
}

/* ─── SAVINGS CALCULATOR ─── */
.savings-calculator {
    background: rgba(255, 255, 255, .02);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    margin: 2rem 0;
}

.calc-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.calc-box {
    text-align: center;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all .4s var(--ease);
}

.calc-box:hover {
    border-color: var(--product-color);
    transform: translateY(-2px);
}

.calc-box .calc-value {
    font-family: var(--fh);
    font-size: 2.5rem;
    letter-spacing: .02em;
}

.calc-box .calc-label {
    font-family: var(--fm);
    font-size: .55rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--text3);
    margin-top: .25rem;
}

.calc-invest {
    border-color: rgba(239, 68, 68, .2);
}

.calc-invest .calc-value {
    color: #ef4444;
}

.calc-save {
    border-color: rgba(74, 222, 128, .2);
}

.calc-save .calc-value {
    color: #4ade80;
}

.calc-roi {
    border-color: rgba(232, 132, 42, .2);
}

.calc-roi .calc-value {
    color: var(--accent);
}

/* ─── FEATURE LIST ─── */
.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    align-items: flex-start;
    transition: padding-left .3s var(--ease);
}

.feature-list li:hover {
    padding-left: .5rem;
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-check {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--product-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: .7rem;
    margin-top: .2rem;
    animation: checkPop .5s var(--ease);
}

@keyframes checkPop {
    0% {
        transform: scale(0);
    }

    60% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
    }
}

.feature-text strong {
    display: block;
    margin-bottom: .15rem;
}

.feature-text span {
    color: var(--text2);
    font-size: .85rem;
}

/* ─── PRICING BANNER ─── */
.pricing-banner {
    background: linear-gradient(145deg, rgba(232, 132, 42, .08), rgba(156, 163, 175, .04));
    border: 1px solid rgba(232, 132, 42, .2);
    border-radius: 16px;
    padding: 2.5rem 3rem;
    text-align: center;
    margin: 2rem 0;
    animation: bannerGlow 4s ease-in-out infinite;
}

@keyframes bannerGlow {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(232, 132, 42, 0);
    }

    50% {
        box-shadow: 0 0 40px rgba(232, 132, 42, .08);
    }
}

.pricing-banner .price {
    font-family: var(--fh);
    font-size: 3.5rem;
    color: var(--accent);
    letter-spacing: .03em;
}

.pricing-banner .price-sub {
    font-family: var(--fm);
    font-size: .7rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text3);
}

.pricing-banner .price-desc {
    color: var(--text2);
    margin-top: 1rem;
    font-size: .95rem;
}

/* ─── TABLE ─── */
.p-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .85rem;
    margin: 1.5rem 0;
}

.p-table thead th {
    font-family: var(--fm);
    font-size: .65rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--product-color);
    padding: .75rem 1rem;
    text-align: left;
    border-bottom: 2px solid var(--product-color);
}

.p-table tbody td {
    padding: .75rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text2);
    transition: background .3s var(--ease);
}

.p-table tbody tr:hover td {
    background: var(--table-hover);
}

/* ─── CTA ─── */
.p-cta {
    padding: clamp(4rem, 10vw, 7rem) 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .85rem 2.25rem;
    border-radius: 60px;
    font-family: var(--fh);
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    border: none;
    cursor: pointer;
    transition: all .35s var(--ease);
    text-decoration: none;
}

.btn-primary {
    background: var(--product-color);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--product-glow);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1.5px solid rgba(255, 255, 255, .15);
}

.btn-outline:hover {
    border-color: var(--product-color);
    color: var(--product-color);
}

/* ─── REVEAL ANIMATIONS ─── */
.r {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .8s var(--ease), transform .8s var(--ease);
}

.r.v {
    opacity: 1;
    transform: none;
}

.r-d1 {
    transition-delay: .1s;
}

.r-d2 {
    transition-delay: .2s;
}

.r-d3 {
    transition-delay: .3s;
}

.r-d4 {
    transition-delay: .4s;
}

/* Stagger children animation */
.stagger-children.v .card:nth-child(1) {
    transition-delay: 0s;
}

.stagger-children.v .card:nth-child(2) {
    transition-delay: .08s;
}

.stagger-children.v .card:nth-child(3) {
    transition-delay: .16s;
}

.stagger-children.v .card:nth-child(4) {
    transition-delay: .24s;
}

.stagger-children.v .card:nth-child(5) {
    transition-delay: .32s;
}

.stagger-children.v .card:nth-child(6) {
    transition-delay: .40s;
}

.stagger-children.v .card:nth-child(7) {
    transition-delay: .48s;
}

.stagger-children.v .card:nth-child(8) {
    transition-delay: .56s;
}

.stagger-children.v .card:nth-child(9) {
    transition-delay: .64s;
}

.stagger-children .card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .6s var(--ease), transform .6s var(--ease);
}

.stagger-children.v .card {
    opacity: 1;
    transform: none;
}

/* Slide in from left */
.slide-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity .8s var(--ease), transform .8s var(--ease);
}

.slide-left.v {
    opacity: 1;
    transform: none;
}

/* Scale in */
.scale-in {
    opacity: 0;
    transform: scale(.9);
    transition: opacity .8s var(--ease), transform .8s var(--ease);
}

.scale-in.v {
    opacity: 1;
    transform: none;
}

/* ─── SECTION IMAGE ─── */
.section-img {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    margin: 2rem 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, .3);
    transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}

.section-img:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .4);
}

.section-img img {
    width: 100%;
    display: block;
}

[data-theme="light"] .section-img {
    box-shadow: 0 10px 40px rgba(0, 0, 0, .1);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
    .stat-row {
        gap: 1.5rem;
    }

    .flow {
        flex-direction: column;
    }

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

    .pricing-banner {
        padding: 2rem 1.5rem;
    }

    .pricing-banner .price {
        font-size: 2.5rem;
    }

    .bar-row {
        grid-template-columns: 100px 1fr 70px;
    }

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

    .donut-container {
        flex-direction: column;
    }

    .theme-toggle {
        right: 1rem;
    }
}

@media (max-width: 500px) {
    .back-btn {
        left: 1rem;
        top: 1rem;
        font-size: .6rem;
        padding: .4rem 1rem;
    }

    .bar-row {
        grid-template-columns: 1fr;
        gap: .25rem;
    }

    .bar-label {
        text-align: left;
    }
}

/* ─── FOOTER ─── */
footer {
    padding: 2.5rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

footer p {
    font-family: var(--fm);
    font-size: .6rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text3);
}

/* ─── AMBIENT PARTICLES (optional) ─── */
.particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--product-color);
    border-radius: 50%;
    opacity: .15;
    animation: drift linear infinite;
}

@keyframes drift {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }

    10% {
        opacity: .15;
    }

    90% {
        opacity: .15;
    }

    100% {
        transform: translateY(-10vh) translateX(50px);
        opacity: 0;
    }
}