/* Storyframe brand tokens — extracted from https://storyframe.yamu.app/ (assets/main-imNesRFk.css) */
:root {
    --sf-color-bg-app: #ffffff;
    --sf-color-bg-canvas: #f7f8fa;
    --sf-color-card: #ffffff;
    --sf-color-card-border: #e5e8ef;
    --sf-color-text-primary: #182b4e;
    --sf-color-text-secondary: #354561;
    --sf-color-text-muted: #626d80;
    --sf-color-accent: #2142e7;
    --sf-color-accent-hover: #1935c4;
    --sf-color-on-action: #ffffff;
    --sf-color-selection: #e3e8ff;
    --sf-font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --sf-font-display: "Inter", system-ui, sans-serif;
    --sf-radius-md: 6px;
    --sf-radius-lg: 8px;
    --sf-radius-xl: 12px;
    --sf-button-radius: 9px;
    --sf-nav-min-height: 88px;
    --sf-container-max: 1280px;
    --sf-container-pad: 40px;
}

@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url("fonts/inter-latin-wght-normal.woff2") format("woff2");
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 24px;
}

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

body {
    margin: 0;
    font-family: var(--sf-font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--sf-color-text-primary);
    background: var(--sf-color-bg-app);
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--sf-color-selection);
    color: var(--sf-color-text-primary);
}

/* ---------- Navigation ---------- */
.sf-nav {
    max-width: var(--sf-container-max);
    width: 100%;
    margin: 0 auto;
    min-height: var(--sf-nav-min-height);
    padding: 20px var(--sf-container-pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    background: var(--sf-color-bg-app);
    border-bottom: 0;
}

.sf-nav-brand {
    font-family: var(--sf-font-display);
    font-size: 28px;
    font-weight: 650;
    letter-spacing: -1.2px;
    color: var(--sf-color-text-primary);
    text-decoration: none;
}

.sf-nav-actions {
    flex-shrink: 0;
}

.sf-nav-actions .sf-button {
    font-size: 14px;
    min-height: 40px;
    padding: 9px 15px;
}

/* ---------- Buttons (mirrors .sf-button on the parent site) ---------- */
.sf-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 44px;
    padding: 10px 20px;
    border-radius: var(--sf-button-radius);
    border: 1px solid transparent;
    font: 500 15px/1.35 var(--sf-font-sans);
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.18s, box-shadow 0.18s, transform 0.18s;
}

.sf-button-lg {
    min-height: 48px;
    padding: 12px 24px;
    font-size: 16px;
}

.sf-button-primary {
    background: var(--sf-color-accent);
    color: var(--sf-color-on-action);
    box-shadow: inset 0 1px #ffffff24, 0 3px 6px #2142e712;
}

.sf-button-primary:hover {
    background: var(--sf-color-accent-hover);
    transform: translateY(-1px);
}

/* ---------- Page container ---------- */
main {
    max-width: var(--sf-container-max);
    width: 100%;
    padding: 0 var(--sf-container-pad) 60px;
    margin: 0 auto;
    box-sizing: border-box;
}

/* ---------- Hero (mirrors .sf-mkt-hero) ---------- */
.hero {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    padding: 44px 0 38px;
    gap: 20px;
}

.hero-title {
    font-family: var(--sf-font-display);
    font-size: clamp(44px, 4.6vw, 66px);
    font-weight: 500;
    letter-spacing: -2.8px;
    line-height: 1.08;
    max-width: 1000px;
    margin: 0;
    color: var(--sf-color-text-primary);
}

.hero-title span {
    color: var(--sf-color-accent);
}

.hero-subtitle {
    max-width: 760px;
    font-size: 18px;
    line-height: 1.65;
    color: var(--sf-color-text-muted);
    margin: 0;
}

.hero-actions {
    display: flex;
    justify-content: flex-start;
    gap: 12px;
    flex-wrap: wrap;
    margin: 2px 0 0;
}

.signup-note {
    margin: 14px 0 0;
    font-size: 14px;
    color: var(--sf-color-text-muted);
    line-height: 1.5;
}

/* ---------- Focus / selection ---------- */
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--sf-color-accent);
    outline-offset: 4px;
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
    :root {
        --sf-container-pad: 20px;
    }

    .sf-nav {
        padding: 14px 20px;
    }

    .sf-nav-brand {
        font-size: 24px;
    }

    .hero {
        padding: 24px 0 32px;
    }

    .hero-title {
        letter-spacing: -1.8px;
    }

    .sf-button-lg {
        min-height: 46px;
        font-size: 15px;
        padding: 11px 19px;
    }
}