:root {
    --bg: #0a0a0a;
    --bg-elevated: #111111;
    --bg-panel: rgba(255, 255, 255, 0.04);
    --line: rgba(255, 255, 255, 0.1);
    --line-strong: rgba(74, 229, 74, 0.42);
    --text: #f4f6f0;
    --muted: #a7b19d;
    --accent: #4ae54a;
    --accent-soft: rgba(74, 229, 74, 0.14);
    --shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
    --max-width: 1200px;
    --radius: 24px;
    --display: "Bebas Neue", sans-serif;
    --body: "DM Sans", sans-serif;
    --mono: "DM Mono", monospace;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    font-family: var(--body);
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(74, 229, 74, 0.16), transparent 24%),
        radial-gradient(circle at 85% 10%, rgba(74, 229, 74, 0.1), transparent 20%),
        linear-gradient(180deg, #0c0c0c 0%, #070707 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 120px 120px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 85%);
}

.page-glow {
    position: fixed;
    right: -180px;
    top: 130px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(74, 229, 74, 0.22), transparent 70%);
    filter: blur(10px);
    pointer-events: none;
    z-index: 0;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

main,
.topbar,
.footer {
    position: relative;
    z-index: 1;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 5;
    backdrop-filter: blur(14px);
    background: rgba(10, 10, 10, 0.74);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.topbar__inner,
.footer__inner,
.section {
    width: min(calc(100% - 2rem), var(--max-width));
    margin: 0 auto;
}

.topbar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    min-height: 78px;
}

.brand {
    font-family: var(--display);
    font-size: 2.2rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.topbar__nav,
.footer__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.topbar__nav a,
.footer__nav a {
    color: var(--muted);
    transition: color 160ms ease;
}

.topbar__nav a:hover,
.footer__nav a:hover,
.topbar__nav a:focus-visible,
.footer__nav a:focus-visible {
    color: var(--text);
}

.section {
    padding: 5.5rem 0;
    scroll-margin-top: 7rem;
}

.section-heading {
    max-width: 780px;
    margin-bottom: 2rem;
}

.section-heading h2,
.hero h1 {
    margin: 0;
    font-family: var(--display);
    font-weight: 400;
    line-height: 0.92;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.hero h1 {
    font-size: clamp(4.5rem, 13vw, 8.6rem);
    max-width: 12ch;
}

.section-heading h2 {
    font-size: clamp(3rem, 7vw, 5rem);
}

.section-kicker,
.lead-copy__eyebrow,
.success-state__kicker {
    margin: 0 0 0.75rem;
    color: var(--accent);
    font-family: var(--mono);
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.section-heading p,
.hero__lede,
.lead-points,
.metric-card__detail,
.footer__copy,
.footer__tagline,
.calculator-controls__note,
.soft-state__detail,
.hero-card__meta,
.hero-card__value,
.hero-card__quote {
    color: var(--muted);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    gap: 2rem;
    align-items: center;
    min-height: calc(100vh - 78px);
    padding-top: 4.5rem;
}

.hero__copy {
    max-width: 760px;
}

.hero__lede {
    max-width: 680px;
    margin: 1rem 0 0;
    font-size: clamp(1.08rem, 2.2vw, 1.28rem);
    line-height: 1.6;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 2rem 0;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0.9rem 1.35rem;
    border-radius: 999px;
    border: 1px solid transparent;
    transition:
        transform 180ms ease,
        background-color 180ms ease,
        border-color 180ms ease,
        color 180ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
}

.button--primary {
    color: #081208;
    background: var(--accent);
}

.button--ghost {
    color: var(--text);
    background: transparent;
    border-color: rgba(255, 255, 255, 0.14);
}

.button--ghost:hover,
.button--ghost:focus-visible {
    border-color: rgba(255, 255, 255, 0.28);
}

.panel {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.03));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero__panel {
    padding: 1.25rem;
}

.hero__stack {
    display: grid;
    gap: 1rem;
}

.hero-card {
    padding: 1.25rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-card--accent {
    background: linear-gradient(145deg, rgba(74, 229, 74, 0.18), rgba(74, 229, 74, 0.06));
    border-color: var(--line-strong);
}

.hero-card--quote {
    background: rgba(255, 255, 255, 0.02);
}

.hero-card__label,
.metric-card__label,
.field-label,
.range-scale,
.soft-state__headline,
.table-shell caption {
    font-family: var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.hero-card__label {
    margin: 0 0 0.45rem;
    color: var(--accent);
    font-size: 0.76rem;
}

.hero-card__value,
.hero-card__quote {
    margin: 0;
    font-size: 1rem;
    line-height: 1.5;
}

.hero-card__quote {
    color: var(--text);
}

.hero-card__meta {
    margin: 0.85rem 0 0;
    font-size: 0.9rem;
}

.hero__signals {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin: 2rem 0 0;
    padding: 0;
    list-style: none;
}

.hero__signals li {
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero__signals strong {
    display: block;
    font-size: 1.55rem;
    color: var(--text);
}

.hero__signals span {
    display: block;
    margin-top: 0.25rem;
    color: var(--muted);
}

.table-shell {
    overflow-x: auto;
    padding: 1.25rem;
}

.table-shell caption {
    caption-side: top;
    text-align: left;
    padding-bottom: 1rem;
    color: var(--accent);
    font-size: 0.78rem;
}

.comparison-table {
    width: 100%;
    min-width: 700px;
    border-collapse: collapse;
}

.comparison-table thead th {
    text-align: left;
    padding: 0 0 1rem;
    color: var(--muted);
    font-weight: 500;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.comparison-table tbody th,
.comparison-table tbody td {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.comparison-table tbody td {
    color: var(--muted);
}

.comparison-table__highlight th,
.comparison-table__highlight td {
    color: var(--text);
    font-weight: 700;
}

.comparison-table__highlight {
    background: linear-gradient(90deg, rgba(74, 229, 74, 0.15), transparent 80%);
}

.steps-grid,
.metrics-grid {
    display: grid;
    gap: 1rem;
}

.steps-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.step-card {
    padding: 1.5rem;
}

.step-card__number {
    margin: 0 0 1rem;
    font-family: var(--display);
    font-size: 3rem;
    line-height: 1;
    color: var(--accent);
}

.step-card h3 {
    margin: 0 0 0.65rem;
    font-size: 1.25rem;
}

.step-card p:last-child {
    margin-bottom: 0;
    color: var(--muted);
    line-height: 1.6;
}

.calculator-grid,
.lead-grid {
    display: grid;
    grid-template-columns: minmax(300px, 0.92fr) minmax(0, 1.08fr);
    gap: 1.25rem;
    align-items: start;
}

.calculator-controls,
.calculator-results,
.lead-copy,
.form-panel {
    padding: 1.5rem;
}

.field-group {
    display: grid;
    gap: 0.45rem;
}

.field-group + .field-group {
    margin-top: 1.35rem;
}

label,
.field-label {
    color: var(--text);
    font-size: 0.95rem;
}

.budget-input-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    padding: 0 1rem;
    background: rgba(255, 255, 255, 0.03);
}

.budget-input-wrap span {
    color: var(--accent);
    font-family: var(--mono);
}

input[type="number"],
input[type="text"],
input[type="email"],
input[type="tel"],
select {
    width: 100%;
    min-height: 52px;
    padding: 0.9rem 1rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text);
    background: rgba(255, 255, 255, 0.03);
    transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.budget-input-wrap input[type="number"] {
    padding: 0.9rem 0;
    border: 0;
    background: transparent;
    min-height: 60px;
}

input[type="range"] {
    width: 100%;
    accent-color: var(--accent);
}

input:focus,
select:focus,
button:focus-visible,
.button:focus-visible {
    outline: none;
    border-color: var(--line-strong);
    box-shadow: 0 0 0 4px rgba(74, 229, 74, 0.12);
}

.range-scale {
    display: flex;
    justify-content: space-between;
    color: var(--muted);
    font-size: 0.7rem;
}

.duration-toggle {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.duration-toggle__button {
    min-height: 48px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--muted);
    background: rgba(255, 255, 255, 0.03);
}

.duration-toggle__button.is-active {
    color: #081208;
    background: var(--accent);
    border-color: transparent;
}

.calculator-controls__note {
    margin-top: 1.35rem;
    padding-top: 1.35rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: grid;
    gap: 0.2rem;
}

.calculator-controls__note p,
.lead-points,
.footer__copy,
.footer__tagline {
    margin: 0;
    line-height: 1.6;
}

.metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-card {
    display: grid;
    gap: 0.5rem;
    min-height: 170px;
    padding: 1.25rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
}

.metric-card--comparison {
    background: linear-gradient(180deg, rgba(74, 229, 74, 0.16), rgba(74, 229, 74, 0.05));
    border-color: var(--line-strong);
}

.metric-card__label {
    margin: 0;
    color: var(--accent);
    font-size: 0.76rem;
}

.metric-card__value {
    margin: 0;
    font-size: clamp(1.6rem, 3vw, 2.5rem);
    line-height: 1;
}

.metric-card__value--mono {
    font-family: var(--mono);
}

.metric-card__detail {
    margin: 0;
    line-height: 1.55;
}

.soft-state {
    display: grid;
    gap: 1rem;
    align-content: center;
    min-height: 100%;
    padding: 1rem;
}

.soft-state__headline {
    margin: 0;
    color: var(--text);
    font-size: clamp(1.3rem, 3vw, 2.1rem);
}

.lead-copy {
    min-height: 100%;
}

.lead-points {
    padding-left: 1.1rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.form-grid .field-group {
    margin-top: 0;
}

.field-error {
    min-height: 1.2rem;
    margin: 0;
    color: var(--accent);
    font-size: 0.82rem;
}

.field-optional {
    color: var(--muted);
    font-size: 0.88rem;
}

.is-invalid {
    border-color: var(--line-strong);
    box-shadow: 0 0 0 3px rgba(74, 229, 74, 0.1);
}

.form-submit {
    margin-top: 1rem;
}

.success-state {
    display: grid;
    gap: 0.75rem;
    padding: 0.5rem 0;
}

.success-state h3,
.success-state p {
    margin: 0;
}

.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer__inner {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    padding: 1.5rem 0 2.5rem;
}

.brand--footer {
    display: inline-block;
    margin-bottom: 0.35rem;
}

@media (max-width: 980px) {
    .hero,
    .calculator-grid,
    .lead-grid,
    .footer__inner {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero {
        min-height: auto;
        padding-top: 3rem;
    }

    .hero__signals,
    .metrics-grid,
    .form-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 720px) {
    .topbar__inner {
        flex-direction: column;
        justify-content: center;
        padding: 0.8rem 0;
    }

    .section {
        padding: 4rem 0;
    }

    .hero__actions,
    .hero__signals,
    .steps-grid,
    .metrics-grid,
    .form-grid,
    .duration-toggle {
        grid-template-columns: 1fr;
    }

    .hero__actions {
        display: grid;
    }

    .button {
        width: 100%;
    }

    .hero h1 {
        font-size: clamp(3.8rem, 16vw, 5.2rem);
    }

    .section-heading h2 {
        font-size: clamp(2.6rem, 16vw, 4rem);
    }
}