/* =========================================================================
   Arithmosophia — Minimal Homepage
   -----------------------------------------------------------------------
   A quiet, editorial counterpoint to the theme's default card-and-carousel
   style. Text-led, almost no imagery, built around the brand's own name:
   arithmos (number) + sophia (wisdom). The recurring "Σ" mark stands in
   for the icons/photos the default theme would otherwise use.
   ========================================================================= */

:root {
    --ar-bg: #fbf6f8;
    --ar-bg-alt: #f4ecf0;
    --ar-ink: #241a20;
    --ar-ink-soft: #5b4c54;
    --ar-muted: #8a7680;
    --ar-plum: #681d49;
    --ar-plum-deep: #4a1534;
    --ar-rose: #de347f;
    --ar-line: #e3d3da;
    --ar-serif: "Lora", Georgia, serif;
    --ar-sans: "Inter", sans-serif;
}

.ar-home { background: var(--ar-bg); color: var(--ar-ink); font-family: var(--ar-sans); }

.ar-wrap {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 28px;
}

.ar-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--ar-sans);
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ar-rose);
    margin-bottom: 18px;
}

.ar-section { padding: 96px 0; border-bottom: 1px solid var(--ar-line); }
.ar-section:last-of-type { border-bottom: none; }
.ar-section-alt { background: var(--ar-bg-alt); }

.ar-h1 {
    font-family: var(--ar-serif);
    font-weight: 600;
    font-size: clamp(38px, 6vw, 64px);
    line-height: 1.08;
    letter-spacing: -0.01em;
    color: var(--ar-plum-deep);
    margin: 0 0 26px;
}
.ar-h1 em { font-style: italic; color: var(--ar-rose); }

.ar-h2 {
    font-family: var(--ar-serif);
    font-weight: 600;
    font-size: clamp(28px, 3.6vw, 40px);
    line-height: 1.16;
    color: var(--ar-plum-deep);
    margin: 0 0 16px;
}

.ar-lede {
    font-size: 18px;
    line-height: 1.7;
    color: var(--ar-ink-soft);
    max-width: 620px;
}

/* ---------------- Hero ---------------- */
.ar-hero { padding: 70px 0 90px; position: relative; overflow: hidden; }
.ar-hero__inner { position: relative; z-index: 1; max-width: 760px; }
.ar-hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 40px; }

.ar-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--ar-sans);
    font-weight: 600;
    font-size: 14.5px;
    padding: 15px 26px;
    border-radius: 3px;
    text-decoration: none;
    transition: transform .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
    border: 1.5px solid transparent;
}
.ar-btn--solid { background: var(--ar-plum); color: #fff; }
.ar-btn--solid:hover { background: var(--ar-plum-deep); transform: translateY(-1px); }
.ar-btn--line { border-color: var(--ar-ink); color: var(--ar-ink); }
.ar-btn--line:hover { border-color: var(--ar-plum); color: var(--ar-plum); }

/* ---------------- Manifesto / About ---------------- */
.ar-manifesto { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 70px; align-items: start; }
.ar-etym { display: flex; flex-direction: column; gap: 28px; }
.ar-etym__item { border-left: 2px solid var(--ar-plum); padding-left: 20px; }
.ar-etym__greek { font-family: var(--ar-serif); font-size: 26px; color: var(--ar-plum); display: block; margin-bottom: 4px; }
.ar-etym__word { font-weight: 700; font-size: 14px; letter-spacing: .04em; text-transform: uppercase; color: var(--ar-ink); }
.ar-etym__def { color: var(--ar-muted); font-size: 14px; }

.ar-check-list { list-style: none; margin: 30px 0 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.ar-check-list li { display: flex; gap: 12px; font-size: 15px; color: var(--ar-ink-soft); }
.ar-check-list li::before { content: "\2014"; color: var(--ar-rose); font-weight: 700; flex-shrink: 0; }

/* ---------------- Services (text rows, no photos) ---------------- */
.ar-svc-list { margin-top: 50px; }
.ar-svc-row {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: baseline;
    gap: 28px;
    padding: 30px 0;
    border-top: 1px solid var(--ar-line);
    text-decoration: none;
    color: inherit;
    transition: padding-left .2s ease;
}
.ar-svc-list > *:last-child { border-bottom: 1px solid var(--ar-line); }
.ar-svc-row:hover { padding-left: 10px; }
.ar-svc-row:hover .ar-svc-title { color: var(--ar-rose); }
.ar-svc-title {
    font-family: var(--ar-serif);
    font-size: 24px;
    color: var(--ar-plum-deep);
    margin: 0 0 6px;
    transition: color .15s ease;
}
.ar-svc-desc { color: var(--ar-muted); font-size: 14.5px; max-width: 560px; }
.ar-svc-arrow { font-size: 22px; color: var(--ar-muted); align-self: center; }

/* ---------------- Process (real sequence — numbering earned here) ---------------- */
.ar-process { display: grid; grid-template-columns: repeat(3, 1fr); gap: 50px; margin-top: 56px; }
.ar-step__num {
    font-family: var(--ar-serif);
    font-size: 15px;
    color: var(--ar-rose);
    font-weight: 700;
    letter-spacing: .08em;
    margin-bottom: 16px;
    display: block;
}
.ar-step__title { font-family: var(--ar-serif); font-size: 21px; color: var(--ar-plum-deep); margin: 0 0 10px; }
.ar-step__desc { color: var(--ar-ink-soft); font-size: 14.5px; line-height: 1.65; }

/* ---------------- Case studies (portfolio, text-led) ---------------- */
.ar-cases { display: flex; flex-direction: column; margin-top: 50px; }
.ar-case {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: baseline;
    padding: 26px 0;
    border-top: 1px solid var(--ar-line);
    text-decoration: none;
    color: inherit;
}
.ar-cases > *:last-child { border-bottom: 1px solid var(--ar-line); }
.ar-case__title { font-family: var(--ar-serif); font-size: 20px; color: var(--ar-plum-deep); margin: 0 0 4px; }
.ar-case__meta { font-size: 12.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--ar-muted); }
.ar-case__arrow { color: var(--ar-muted); font-size: 20px; }
.ar-case:hover .ar-case__title { color: var(--ar-rose); }

/* ---------------- Testimonials (no headshots — quote-led) ---------------- */
.ar-quotes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--ar-line); margin-top: 50px; border: 1px solid var(--ar-line); }
.ar-quote { background: var(--ar-bg); padding: 40px; }
.ar-quote__mark { font-family: var(--ar-serif); font-size: 40px; color: var(--ar-rose); line-height: 1; display: block; margin-bottom: 14px; }
.ar-quote__text { font-family: var(--ar-serif); font-size: 18px; line-height: 1.6; color: var(--ar-ink); margin: 0 0 22px; }
.ar-quote__who { display: flex; align-items: center; gap: 12px; }
.ar-quote__initial {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--ar-plum);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--ar-serif);
    font-size: 14px;
    flex-shrink: 0;
}
.ar-quote__name { font-weight: 700; font-size: 13.5px; }
.ar-quote__role { font-size: 12.5px; color: var(--ar-muted); }

/* ---------------- Blog (text list, no thumbnails) ---------------- */
.ar-posts { margin-top: 50px; }
.ar-post {
    display: grid;
    grid-template-columns: 110px 1fr auto;
    gap: 24px;
    align-items: baseline;
    padding: 26px 0;
    border-top: 1px solid var(--ar-line);
    text-decoration: none;
    color: inherit;
}
.ar-posts > *:last-child { border-bottom: 1px solid var(--ar-line); }
.ar-post__date { font-size: 12.5px; letter-spacing: .05em; text-transform: uppercase; color: var(--ar-muted); }
.ar-post__title { font-family: var(--ar-serif); font-size: 19px; color: var(--ar-plum-deep); margin: 0 0 5px; }
.ar-post__excerpt { font-size: 13.5px; color: var(--ar-muted); }
.ar-post__cat { font-size: 12px; color: var(--ar-rose); font-weight: 600; }
.ar-post:hover .ar-post__title { color: var(--ar-rose); }

/* ---------------- FAQ ---------------- */
.ar-wrap--center { text-align: center; }
.ar-wrap--center .ar-h2 { max-width: 640px; margin-left: auto; margin-right: auto; }
.ar-faq { margin-top: 50px; max-width: 760px; }
.ar-faq--wide { max-width: 880px; margin-left: auto; margin-right: auto; text-align: left; }
.ar-faq-item { border-top: 1px solid var(--ar-line); }
.ar-faq-item:last-child { border-bottom: 1px solid var(--ar-line); }
.ar-faq-q {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    padding: 22px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    font-family: var(--ar-serif);
    font-size: 17px;
    color: var(--ar-plum-deep);
}
.ar-faq-q__icon { font-size: 20px; color: var(--ar-rose); flex-shrink: 0; transition: transform .2s ease; }
.ar-faq-item.open .ar-faq-q__icon { transform: rotate(45deg); }
.ar-faq-a { max-height: 0; overflow: hidden; transition: max-height .25s ease; }
.ar-faq-item.open .ar-faq-a { max-height: 400px; }
.ar-faq-a p { color: var(--ar-ink-soft); font-size: 14.5px; line-height: 1.7; padding: 0 0 24px; margin: 0; max-width: 640px; }

/* ---------------- Empty states ---------------- */
.ar-empty { color: var(--ar-muted); font-size: 14.5px; padding: 30px 0; }

/* ---------------- CTA band ---------------- */
.ar-cta { text-align: center; padding: 110px 0; }
.ar-cta .ar-h2 { max-width: 640px; margin-left: auto; margin-right: auto; }
.ar-cta__actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin-top: 36px; }

/* ---------------- Responsive ---------------- */
@media (max-width: 900px) {
    .ar-manifesto { grid-template-columns: 1fr; gap: 40px; }
    .ar-process { grid-template-columns: 1fr; gap: 36px; }
    .ar-quotes { grid-template-columns: 1fr; }
    .ar-hero { padding: 50px 0 60px; }
}
@media (max-width: 620px) {
    .ar-section { padding: 64px 0; }
    .ar-svc-arrow { display: none; }
    .ar-case { grid-template-columns: 1fr; }
    .ar-post { grid-template-columns: 1fr; gap: 6px; }
    .ar-wrap { padding: 0 20px; }
}

/* ---------------- Reduced motion ---------------- */
@media (prefers-reduced-motion: reduce) {
    .ar-btn, .ar-svc-row, .ar-faq-q__icon, .ar-faq-a { transition: none; }
}

/* ---------------- Focus states ---------------- */
.ar-home a:focus-visible,
.ar-home button:focus-visible {
    outline: 2.5px solid var(--ar-rose);
    outline-offset: 3px;
}