:root {
    --background: #f9f9f9;
    --surface: #ffffff;
    --text: #303030;
    --muted: #686868;
    --border: #e9e9e9;
    --purple: #65106f;
    --purple-light: #9c27b0;
    --shadow: 0 18px 45px rgba(48, 48, 48, .09);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background: var(--background);
    font-family: "Raleway", sans-serif;
    font-size: 17px;
    line-height: 1.7;
}

a {
    color: var(--purple);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

img {
    max-width: 100%;
}

.site-shell {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .98);
    border-bottom: 1px solid rgba(0, 0, 0, .06);
    backdrop-filter: blur(9px);
}

.site-header-inner {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    font-size: 18px;
    font-weight: 800;
    text-decoration: none;
}

.site-brand img {
    width: 52px;
    height: 52px;
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 28px;
    font-size: 14px;
    font-weight: 700;
}

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

.site-nav a:hover {
    color: var(--purple);
}

.site-nav-cta {
    padding: 10px 17px;
    border: 1px solid var(--text);
}

.home-hero {
    padding: 88px 0 76px;
    background:
        radial-gradient(circle at 82% 20%, rgba(156, 39, 176, .11), transparent 34%),
        linear-gradient(135deg, #ffffff 0%, #f5f0f7 100%);
    border-bottom: 1px solid var(--border);
}

.home-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(280px, .7fr);
    gap: 56px;
    align-items: center;
}

.section-kicker {
    margin: 0 0 14px;
    color: var(--purple);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    margin-top: 0;
    line-height: 1.18;
}

h1 {
    max-width: 850px;
    margin-bottom: 24px;
    font-size: clamp(40px, 6vw, 70px);
    font-weight: 800;
    letter-spacing: -.035em;
}

h2 {
    font-size: clamp(30px, 4vw, 46px);
    letter-spacing: -.025em;
}

h3 {
    font-size: 24px;
}

.home-hero-intro {
    max-width: 760px;
    margin: 0;
    color: var(--muted);
    font-size: 20px;
}

.home-hero-card {
    padding: 34px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: 5px solid var(--purple);
    box-shadow: var(--shadow);
}

.home-hero-card strong {
    display: block;
    margin-bottom: 12px;
    font-size: 23px;
}

.home-hero-card p {
    margin: 0;
    color: var(--muted);
}

.strategy-index {
    padding: 80px 0 100px;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 38px;
}

.strategy-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.strategy-card {
    display: flex;
    flex-direction: column;
    min-height: 330px;
    padding: 30px;
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: 0 10px 28px rgba(48, 48, 48, .05);
    transition: transform .2s ease, box-shadow .2s ease;
}

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

.strategy-card-label {
    margin: 0 0 13px;
    color: var(--purple);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.strategy-card h3 a {
    color: var(--text);
    text-decoration: none;
}

.strategy-card > p {
    color: var(--muted);
}

.strategy-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
    padding-top: 20px;
}

.strategy-card-meta span {
    padding: 6px 10px;
    background: #f4eff5;
    color: var(--purple);
    font-size: 12px;
    font-weight: 700;
}

.strategy-card-link {
    margin-top: 22px;
    font-weight: 800;
}

.empty-state {
    padding: 42px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 5px solid var(--purple);
}

.empty-state strong {
    font-size: 22px;
}

.empty-state p {
    margin-bottom: 0;
    color: var(--muted);
}

.site-footer {
    padding: 34px 0;
    color: #ffffff;
    background: #303030;
    text-align: center;
}

.site-footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 24px;
}

.site-footer p {
    margin: 0;
}

.site-footer a {
    color: #ffffff;
    font-weight: 700;
}

@media (max-width: 900px) {
    .home-hero-grid,
    .strategy-grid {
        grid-template-columns: 1fr;
    }

    .site-header-inner,
    .site-footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-header-inner {
        padding: 16px 0;
    }

    .site-nav {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 14px 22px;
    }
}

@media (max-width: 560px) {
    body {
        font-size: 16px;
    }

    .site-shell {
        width: min(100% - 28px, 1180px);
    }

    .site-brand span {
        font-size: 15px;
    }

    .site-nav {
        font-size: 13px;
    }

    .home-hero {
        padding: 58px 0;
    }

    h1 {
        font-size: 38px;
    }

    .home-hero-intro {
        font-size: 17px;
    }

    .strategy-index {
        padding: 58px 0 70px;
    }

    .strategy-card {
        min-height: 0;
    }
}

/* GUIDE ARTICLE START */

.guide-article {
    background: var(--background);
}

.guide-hero {
    padding: 76px 0 64px;
    background:
        radial-gradient(circle at 85% 18%, rgba(156, 39, 176, .13), transparent 32%),
        linear-gradient(135deg, #ffffff 0%, #f4edf6 100%);
    border-bottom: 1px solid var(--border);
}

.guide-hero-inner {
    max-width: 1080px;
}

.guide-hero h1 {
    max-width: 980px;
    margin-bottom: 24px;
    font-size: clamp(42px, 6vw, 72px);
}

.guide-lead {
    max-width: 820px;
    margin: 0;
    color: var(--muted);
    font-size: 21px;
}

.guide-facts {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    margin-top: 46px;
    background: var(--border);
    border: 1px solid var(--border);
}

.guide-facts div {
    padding: 20px;
    background: var(--surface);
}

.guide-facts span,
.guide-summary dt,
.guide-settings span,
.guide-results span,
.guide-value-change span {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.guide-facts strong {
    font-size: 15px;
}

.guide-layout {
    display: grid;
    grid-template-columns: 250px minmax(0, 780px);
    justify-content: center;
    gap: 56px;
    padding-top: 72px;
    padding-bottom: 100px;
}

.guide-summary {
    position: sticky;
    top: 110px;
    align-self: start;
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: 5px solid var(--purple);
    box-shadow: 0 10px 28px rgba(48, 48, 48, .06);
}

.guide-summary-title {
    margin: 0 0 18px;
    font-size: 17px;
    font-weight: 800;
}

.guide-summary dl {
    margin: 0;
}

.guide-summary dl div {
    padding: 13px 0;
    border-top: 1px solid var(--border);
}

.guide-summary dd {
    margin: 0;
    font-size: 18px;
    font-weight: 800;
}

.guide-summary-note {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.55;
}

.guide-content {
    min-width: 0;
}

.guide-content section {
    margin-bottom: 70px;
}

.guide-content h2 {
    margin-bottom: 24px;
    font-size: clamp(30px, 4vw, 43px);
}

.guide-content p {
    margin: 0 0 22px;
}

.guide-opening {
    font-size: 23px;
    font-weight: 500;
    line-height: 1.55;
}

.guide-callout {
    margin: 34px 0;
    padding: 28px 30px;
    background: #f4eff5;
    border-left: 5px solid var(--purple);
}

.guide-callout strong {
    display: block;
    margin-bottom: 8px;
    font-size: 20px;
}

.guide-callout p {
    margin: 0;
}

.guide-callout-warning {
    background: #fff8df;
    border-left-color: #bb8710;
}

.guide-steps {
    margin: 28px 0;
    padding: 0;
    list-style: none;
    counter-reset: guide-step;
}

.guide-steps li {
    position: relative;
    min-height: 44px;
    margin-bottom: 16px;
    padding: 10px 0 10px 58px;
    counter-increment: guide-step;
}

.guide-steps li::before {
    content: counter(guide-step);
    position: absolute;
    top: 4px;
    left: 0;
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    color: #ffffff;
    background: var(--purple);
    font-weight: 800;
}

.guide-settings,
.guide-results {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin: 28px 0;
}

.guide-settings div,
.guide-results div {
    padding: 22px;
    background: var(--surface);
    border: 1px solid var(--border);
}

.guide-settings strong,
.guide-results strong {
    display: block;
    font-size: 24px;
}

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

.guide-results small {
    display: block;
    margin-top: 4px;
    color: var(--muted);
}

.guide-table-wrap {
    margin: 30px 0;
    overflow-x: auto;
    background: var(--surface);
    border: 1px solid var(--border);
}

.guide-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

.guide-table th,
.guide-table td {
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

.guide-table th {
    background: #303030;
    color: #ffffff;
}

.guide-table tbody tr:last-child td {
    border-bottom: 0;
}

.guide-value-change {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 20px;
    margin: 32px 0;
}

.guide-value-change > div:not(.guide-value-separator) {
    padding: 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    text-align: center;
}

.guide-value-change strong {
    display: block;
    color: var(--purple);
    font-size: 48px;
    line-height: 1;
}

.guide-value-separator {
    color: var(--muted);
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
}

.guide-code {
    margin: 28px 0;
    padding: 22px;
    overflow-x: auto;
    color: #ffffff;
    background: #303030;
    border-left: 5px solid var(--purple-light);
    font-family: Consolas, Monaco, monospace;
    font-size: 14px;
    line-height: 1.7;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.guide-list {
    margin: 24px 0;
    padding-left: 22px;
}

.guide-list li {
    margin-bottom: 10px;
}

.guide-content code {
    padding: 2px 6px;
    background: #eee7f0;
    color: var(--purple);
    font-family: Consolas, Monaco, monospace;
    font-size: .9em;
}

.guide-code code {
    padding: 0;
    color: inherit;
    background: transparent;
}

.guide-finish {
    padding: 42px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: 5px solid var(--purple);
    box-shadow: var(--shadow);
}

.guide-source-note {
    margin-top: 32px !important;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 14px;
}

@media (max-width: 1000px) {
    .guide-layout {
        grid-template-columns: 1fr;
    }

    .guide-summary {
        position: static;
        display: none;
    }

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

@media (max-width: 760px) {
    .guide-hero {
        padding: 54px 0 48px;
    }

    .guide-facts,
    .guide-settings,
    .guide-results {
        grid-template-columns: 1fr;
    }

    .guide-layout {
        gap: 0;
        padding-top: 52px;
        padding-bottom: 70px;
    }

    .guide-content section {
        margin-bottom: 54px;
    }

    .guide-opening,
    .guide-lead {
        font-size: 18px;
    }

    .guide-value-change {
        grid-template-columns: 1fr;
    }

    .guide-value-separator {
        text-align: center;
    }

    .guide-finish {
        padding: 28px 22px;
    }
}

/* GUIDE ARTICLE END */

/* FULL CARD LINK START */

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

a.strategy-card h3 {
    color: var(--text);
    transition: color .2s ease;
}

a.strategy-card:hover h3 {
    color: var(--purple);
}

.guide-name-box {
    margin: 26px 0;
    padding: 22px 24px;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 5px solid var(--purple);
    font-weight: 800;
}

.guide-mode-grid {
    display: grid;
    gap: 18px;
    margin: 32px 0;
}

.guide-mode-grid > div {
    padding: 28px;
    background: var(--surface);
    border: 1px solid var(--border);
}

.guide-mode-grid h3 {
    margin-bottom: 12px;
}

.guide-mode-grid p {
    margin: 0;
}

.guide-mode-grid .guide-mode-selected {
    background: #f4eff5;
    border: 2px solid var(--purple);
}

.guide-placeholder-list {
    display: grid;
    gap: 14px;
    margin: 28px 0;
}

.guide-placeholder-list > div {
    padding: 22px;
    background: var(--surface);
    border: 1px solid var(--border);
}

.guide-placeholder-list > div > code {
    display: inline-block;
    margin-bottom: 12px;
    font-weight: 800;
}

.guide-placeholder-list p {
    margin: 0;
}

/* FULL CARD LINK END */

/* DIRECT ANSWERS START */

.guide-direct-answers {
    padding-top: 8px;
}

.guide-direct-answers h2 {
    max-width: 720px;
}

.guide-answer-list {
    display: grid;
    gap: 16px;
    margin-top: 30px;
}

.guide-answer {
    padding: 26px 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--purple);
}

.guide-answer h3 {
    margin: 0 0 12px;
    font-size: 20px;
    line-height: 1.4;
}

.guide-answer p {
    margin: 0;
}

@media (max-width: 760px) {
    .guide-answer {
        padding: 22px 20px;
    }
}

/* DIRECT ANSWERS END */


/* BACKTEST DISCLAIMER START */

.backtest-disclaimer-wrap {
    padding-top: 0;
    padding-bottom: 96px;
}

.backtest-disclaimer {
    padding: 30px 32px;
    background: #fff8e8;
    border: 1px solid #e3cf9d;
    border-left: 5px solid #9b6b14;
}

.backtest-disclaimer-label {
    margin: 0 0 8px;
    color: #76500d;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.backtest-disclaimer h2 {
    margin: 0 0 18px;
    font-size: 25px;
}

.backtest-disclaimer p {
    margin: 0 0 14px;
}

.backtest-disclaimer p:last-child {
    margin-bottom: 0;
}

@media (max-width: 680px) {
    .backtest-disclaimer-wrap {
        padding-bottom: 68px;
    }

    .backtest-disclaimer {
        padding: 24px 21px;
    }
}

/* BACKTEST DISCLAIMER END */