:root {
    --primary-color: #1768ff;
    --primary-hover: #0f54d4;
    --accent-color: #ffb84d;
    --background-color: #eef4ff;
    --surface-color: rgba(255, 255, 255, 0.9);
    --surface-strong: #ffffff;
    --surface-border: #d8e4ff;
    --text-color: #162033;
    --muted-color: #5b6780;
    --input-background: #f8fbff;
    --shadow-color: rgba(34, 56, 110, 0.14);
    --success-color: #0f9d58;
    --error-color: #d93025;
    --ball-size: 54px;
}

body.dark-mode {
    --primary-color: #7ec3ff;
    --primary-hover: #5eaff1;
    --accent-color: #ffd166;
    --background-color: #0d1526;
    --surface-color: rgba(24, 34, 53, 0.92);
    --surface-strong: #182235;
    --surface-border: #2d3b55;
    --text-color: #f4f7fb;
    --muted-color: #b7c2d9;
    --input-background: #101827;
    --shadow-color: rgba(0, 0, 0, 0.32);
    --success-color: #7ee2a8;
    --error-color: #ff8b86;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Georgia, 'Times New Roman', serif;
    color: var(--text-color);
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.95), transparent 30%),
        linear-gradient(180deg, #f9fbff 0%, var(--background-color) 100%);
    transition: background-color 0.25s ease, color 0.25s ease;
}

body.dark-mode {
    background:
        radial-gradient(circle at top left, rgba(79, 108, 167, 0.32), transparent 28%),
        linear-gradient(180deg, #0a1120 0%, var(--background-color) 100%);
}

img {
    max-width: 100%;
}

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

p {
    line-height: 1.7;
}

.shell {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(14px);
    background: rgba(238, 244, 255, 0.8);
    border-bottom: 1px solid rgba(216, 228, 255, 0.75);
}

body.dark-mode .site-header {
    background: rgba(13, 21, 38, 0.8);
    border-bottom-color: rgba(45, 59, 85, 0.8);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 16px 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.brand strong,
.brand small {
    display: block;
}

.brand small {
    color: var(--muted-color);
    font-size: 0.84rem;
    margin-top: 2px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #0d1c3d;
    background: linear-gradient(135deg, var(--accent-color), #fff0c8);
    box-shadow: 0 10px 25px rgba(255, 184, 77, 0.35);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 0.95rem;
}

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

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

.theme-toggle,
.primary-button,
.submit-button,
.primary-link,
.secondary-link {
    border-radius: 999px;
    font: inherit;
}

.theme-toggle {
    border: 1px solid var(--surface-border);
    background: transparent;
    color: var(--muted-color);
    padding: 0.7rem 1rem;
    cursor: pointer;
}

.hero {
    padding: 64px 0 28px;
}

.hero-grid,
.two-column,
.content-layout,
.contact-layout,
.footer-grid {
    display: grid;
    gap: 24px;
}

.hero-grid,
.two-column,
.contact-layout {
    grid-template-columns: 1.4fr 1fr;
}

.content-layout,
.footer-grid {
    grid-template-columns: 1.2fr 0.8fr;
}

.hero-copy h1,
.page-stack h1 {
    margin: 0;
    font-size: clamp(2.3rem, 5vw, 4.2rem);
    line-height: 1.1;
    letter-spacing: -0.04em;
}

.eyebrow,
.section-kicker {
    margin: 0 0 14px;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.92rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.hero-text {
    font-size: 1.07rem;
    max-width: 62ch;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 28px 0 20px;
}

.primary-link,
.secondary-link,
.primary-button,
.submit-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    padding: 0.95rem 1.35rem;
    transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease, opacity 0.2s ease;
}

.primary-link,
.primary-button,
.submit-button {
    background: var(--primary-color);
    color: #ffffff;
    font-weight: 700;
}

.secondary-link {
    border: 1px solid var(--surface-border);
    color: var(--text-color);
    background: rgba(255, 255, 255, 0.45);
}

.primary-link:hover,
.secondary-link:hover,
.primary-button:hover,
.submit-button:hover,
.theme-toggle:hover {
    transform: translateY(-1px);
}

.primary-link:hover,
.primary-button:hover,
.submit-button:hover {
    background: var(--primary-hover);
}

.hero-points,
.check-list,
.note-list,
.footer-grid ul,
.prose-card ul {
    margin: 0;
    padding-left: 1.2rem;
}

.hero-points li,
.check-list li,
.note-list li,
.footer-grid li,
.prose-card li {
    margin-bottom: 0.72rem;
    line-height: 1.6;
}

.card {
    background: var(--surface-color);
    border: 1px solid var(--surface-border);
    border-radius: 24px;
    padding: 28px;
    box-shadow: 0 18px 40px var(--shadow-color);
}

.hero-panel,
.summary-card,
.notes-card {
    background: linear-gradient(180deg, var(--surface-strong), var(--surface-color));
}

.info-list {
    margin: 0;
    display: grid;
    gap: 18px;
}

.info-list dt {
    font-weight: 700;
    margin-bottom: 6px;
}

.info-list dd {
    margin: 0;
    color: var(--muted-color);
}

.section {
    padding: 28px 0;
}

.muted-section {
    padding: 56px 0;
}

.section-heading {
    margin-bottom: 22px;
    max-width: 72ch;
}

.section-heading h2,
.tool-card h2,
.summary-card h2,
.longform-card h2,
.notes-card h2,
.contact-copy h2,
.partnership-section h2,
.prose-card h2,
.prose-card h1 {
    margin-top: 0;
}

.grid-three,
.faq-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.section-intro {
    color: var(--muted-color);
}

.lotto-numbers {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    min-height: 66px;
    margin: 22px 0;
}

lotto-ball {
    display: inline-block;
}

.tip-box {
    border-top: 1px solid var(--surface-border);
    padding-top: 18px;
}

.tip-box strong {
    display: block;
    margin-bottom: 6px;
}

.partnership-section {
    text-align: left;
}

.partnership-form {
    display: grid;
    gap: 14px;
}

.form-field {
    display: grid;
    gap: 8px;
    font-weight: 700;
}

.form-field span {
    font-size: 0.95rem;
}

.form-field input,
.form-field textarea {
    width: 100%;
    border: 1px solid var(--surface-border);
    border-radius: 14px;
    background: var(--input-background);
    color: var(--text-color);
    padding: 0.95rem 1rem;
    font: inherit;
}

.form-field textarea {
    min-height: 140px;
    resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(23, 104, 255, 0.16);
}

.submit-button:disabled {
    opacity: 0.7;
    cursor: wait;
    transform: none;
}

.form-status {
    min-height: 1.5rem;
    margin: 0;
}

.form-status.is-success {
    color: var(--success-color);
}

.form-status.is-error {
    color: var(--error-color);
}

.page-stack {
    display: grid;
    gap: 20px;
}

.prose-card {
    max-width: 860px;
}

.prose-card h2 {
    margin-top: 28px;
}

.site-footer {
    padding: 42px 0 64px;
}

.footer-grid p,
.footer-grid li,
.section-description,
.article-card p,
.faq-item p,
.contact-copy p {
    color: var(--muted-color);
}

@media (max-width: 920px) {
    .header-inner,
    .hero-grid,
    .two-column,
    .content-layout,
    .contact-layout,
    .footer-grid,
    .grid-three,
    .faq-list {
        grid-template-columns: 1fr;
    }

    .site-nav {
        flex-wrap: wrap;
        justify-content: flex-start;
    }
}

@media (max-width: 680px) {
    .header-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .theme-toggle,
    .primary-button,
    .submit-button,
    .primary-link,
    .secondary-link {
        width: 100%;
    }

    .hero-actions {
        flex-direction: column;
    }

    .card {
        padding: 22px;
    }
}


.stack-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 12px;
}

.single-column {
    grid-template-columns: 1fr;
}