/* ==========================================================================
   AraSync brand layer (Solid Core identity, 2026)
   Loaded after style.css on every page. Tokens live in style.css :root.
   ========================================================================== */

:root {
    --header-h: 72px;
    --ink: var(--arasync-navy);
    --ink-2: var(--arasync-gray-600);
    --ink-3: var(--arasync-gray-500);
    --teal-ink: #24615F;
    --teal-soft: #D6E9E6;
}

@media (max-width: 960px) {
    :root { --header-h: 64px; }
}

/* ---------- Base ---------- */
body {
    color: var(--ink-2);
    padding-top: var(--header-h);
    overflow-x: clip;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    text-wrap: balance;
    letter-spacing: -0.02em;
}

h1, h2 { font-weight: 500; letter-spacing: -0.035em; }

h1 { font-size: clamp(2.2rem, 4.6vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); }

p { text-wrap: pretty; }

a { color: var(--teal-ink); }

:focus-visible {
    outline: 3px solid var(--arasync-primary);
    outline-offset: 3px;
    border-radius: 6px;
}

.container {
    max-width: 1200px;
    padding-inline: clamp(16px, 4vw, 32px);
}

.eyebrow,
.section-badge {
    display: inline-block;
    background: none;
    padding: 0;
    border-radius: 0;
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--teal-ink);
}

.code-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.text-gradient,
.text-gradient-dark {
    background: none;
    -webkit-text-fill-color: currentColor;
    color: var(--arasync-primary);
}

/* Reveal: keep content readable if the observer never fires */
@media (prefers-reduced-motion: reduce) {
    .reveal-item { opacity: 1; transform: none; }
}

/* ---------- Buttons ---------- */
.btn {
    min-height: 46px;
    padding: 0 22px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: none;
}

.btn-lg {
    min-height: 52px;
    padding: 0 28px;
    font-size: 1rem;
    border-radius: 999px;
}

.btn-sm { min-height: 36px; padding: 0 14px; }

.btn-primary,
.btn-primary:hover { box-shadow: none; }

.btn-primary:hover { transform: none; }

.btn-secondary { border-width: 1.5px; }

/* On light grounds btn-ghost reads as an outline button; on dark grounds it stays translucent */
.btn-ghost {
    backdrop-filter: none;
}

.btn-outline-light {
    background: var(--arasync-white);
    color: var(--ink);
    border: 1.5px solid var(--arasync-line);
}

.btn-outline-light:hover {
    border-color: var(--arasync-primary);
    color: var(--teal-ink);
}

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 0;
    border: 0;
    border-bottom: 1px solid var(--arasync-line);
    border-radius: 0;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: saturate(1.4) blur(12px);
    -webkit-backdrop-filter: saturate(1.4) blur(12px);
    padding-top: env(safe-area-inset-top, 0px);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 6px 24px -12px rgba(30, 43, 58, 0.25);
}

.header-inner {
    height: var(--header-h);
    gap: 24px;
}

.site-logo {
    display: flex;
    flex: none;
}

.site-logo img {
    height: 46px;
    width: auto;
    display: block;
}

.main-navigation {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 20px;
}

.main-navigation .nav-list {
    display: flex;
    align-items: center;
    gap: 2px;
    list-style: none;
    margin: 0 auto 0 0;
    padding: 0 0 0 16px;
}

.main-navigation .nav-list > li { position: relative; }

.main-navigation .nav-list > li > a,
.main-navigation .submenu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    border: 0;
    border-radius: 8px;
    background: none;
    font: 500 0.95rem/1 var(--font-primary);
    color: var(--ink-2);
    cursor: pointer;
    text-decoration: none;
}

.main-navigation .nav-list > li > a:hover,
.main-navigation .nav-list > li > a.active,
.main-navigation .submenu-toggle:hover,
.main-navigation .submenu-toggle[aria-expanded="true"] {
    color: var(--ink);
    background: var(--arasync-mist);
}

.main-navigation .submenu-toggle svg { transition: transform 0.2s ease; }
.main-navigation .submenu-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }

.main-navigation .submenu {
    display: block;
    position: absolute;
    top: calc(100% + 8px);
    left: -8px;
    width: 340px;
    margin: 0;
    padding: 8px;
    list-style: none;
    background: var(--arasync-white);
    border: 1px solid var(--arasync-line);
    border-radius: 14px;
    box-shadow: 0 24px 48px -20px rgba(30, 43, 58, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s;
    z-index: 200;
}

/* Hover bridge so the pointer can travel to the panel */
.main-navigation .has-submenu::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 10px;
}

.main-navigation .has-submenu:hover > .submenu,
.main-navigation .has-submenu:focus-within > .submenu,
.main-navigation .has-submenu.open > .submenu {
    opacity: 1;
    visibility: visible;
    transform: none;
}

.main-navigation .submenu a {
    display: grid;
    gap: 2px;
    padding: 10px 12px;
    border-radius: 10px;
    text-decoration: none;
    white-space: normal;
}

.main-navigation .submenu a:hover,
.main-navigation .submenu a:focus-visible,
.main-navigation .submenu a[aria-current="page"] { background: var(--arasync-mist); }

.main-navigation .submenu-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--ink);
}

.main-navigation .submenu-desc {
    font-size: 0.82rem;
    line-height: 1.4;
    color: var(--ink-3);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: none;
}

.nav-login {
    padding: 10px 12px;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--ink-2);
    text-decoration: none;
    border-radius: 8px;
}

.nav-login:hover { color: var(--ink); background: var(--arasync-mist); }

.nav-actions .btn { min-height: 42px; padding: 0 18px; font-size: 0.9rem; }

.menu-toggle {
    display: none;
    margin-left: auto;
    width: 46px;
    height: 46px;
    padding: 0;
    border: 1px solid var(--arasync-line);
    border-radius: 12px;
    background: var(--arasync-white);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    margin: 0;
    background: var(--ink);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.2s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu: full-height sheet under the header */
@media (max-width: 1080px) {
    .main-navigation .nav-list { padding-left: 0; }
    .main-navigation .nav-list > li > a,
    .main-navigation .submenu-toggle { padding: 10px 10px; }
    .nav-login { display: none; }
}

@media (max-width: 960px) {
    .site-logo img { height: 40px; }
    .menu-toggle { display: inline-flex; }

    .main-navigation {
        position: fixed;
        top: calc(var(--header-h) + env(safe-area-inset-top, 0px));
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 0;
        padding: 8px clamp(16px, 4vw, 32px) calc(24px + env(safe-area-inset-bottom, 0px));
        background: var(--arasync-white);
        border-radius: 0;
        box-shadow: none;
        overflow-y: auto;
        overscroll-behavior: contain;
        transform: none;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.2s ease, visibility 0.2s;
    }

    .main-navigation.active {
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .main-navigation .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        margin: 0;
        width: 100%;
    }

    .main-navigation .nav-list > li { border-bottom: 1px solid var(--arasync-line); width: 100%; }

    .main-navigation .nav-list > li > a,
    .main-navigation .submenu-toggle {
        display: flex;
        width: 100%;
        justify-content: space-between;
        padding: 18px 0;
        border-radius: 0;
        font: 600 1.15rem/1.2 var(--font-heading);
        color: var(--ink);
        background: none;
    }

    .main-navigation .nav-list > li > a:hover,
    .main-navigation .submenu-toggle:hover,
    .main-navigation .submenu-toggle[aria-expanded="true"] { background: none; }

    .main-navigation .has-submenu::after { display: none; }

    .main-navigation .submenu,
    .main-navigation .has-submenu:hover > .submenu,
    .main-navigation .has-submenu:focus-within > .submenu {
        position: static;
        width: auto;
        padding: 0 0 12px;
        border: 0;
        box-shadow: none;
        border-radius: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        transition: none;
    }

    .main-navigation .has-submenu.open > .submenu { display: block; }

    .main-navigation .submenu a { padding: 10px 12px; }

    .nav-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        margin-top: 24px;
    }

    .nav-actions .btn { min-height: 52px; font-size: 1rem; order: -1; }

    .nav-login {
        display: block;
        text-align: center;
        font-size: 1rem;
    }

    body.nav-open { overflow: hidden; }
}

/* ---------- Page heroes (inner pages) ---------- */
.page-hero,
.page-header {
    position: relative;
    overflow: hidden;
    margin-top: 0;
    padding: clamp(56px, 8vw, 96px) 0 clamp(48px, 7vw, 80px);
    background: var(--arasync-navy);
}

.page-hero::before,
.page-header::before {
    content: "";
    position: absolute;
    right: -140px;
    top: -220px;
    width: 560px;
    height: 560px;
    border: 2px solid rgba(47, 125, 122, 0.55);
    border-radius: 50%;
    pointer-events: none;
}

.page-hero > *,
.page-header > * { position: relative; }

.page-hero h1,
.page-header h1 { font-size: clamp(2rem, 4.4vw, 3.1rem); }

.page-hero .hero-subtitle,
.page-header p { color: #C3D1DA; opacity: 1; max-width: 640px; }

.page-hero .section-badge,
.page-hero .eyebrow { color: var(--arasync-aqua); }

/* ---------- CTA band ---------- */
.cta-section {
    background: var(--arasync-navy);
}

.cta-orb { display: none; }

.cta-section::before {
    content: "";
    position: absolute;
    left: -160px;
    bottom: -280px;
    width: 560px;
    height: 560px;
    border: 2px solid rgba(47, 125, 122, 0.5);
    border-radius: 50%;
    pointer-events: none;
}

.cta-section p { color: #C3D1DA; opacity: 1; }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--arasync-navy-dark);
    color: #A9BAC6;
    padding: clamp(56px, 7vw, 80px) 0 28px;
    font-size: 0.9rem;
}

.site-footer .footer-grid {
    grid-template-columns: 1.6fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 48px;
}

.footer-logo img {
    height: 48px;
    width: auto;
    display: block;
}

.footer-brand p {
    margin: 18px 0 16px;
    max-width: 30em;
    color: #A9BAC6;
}

.footer-contact {
    list-style: none;
    margin: 0 0 18px;
    padding: 0;
    display: grid;
    gap: 6px;
}

.footer-contact a,
.footer-column a {
    color: #C3D1DA;
    text-decoration: none;
}

.footer-contact a:hover,
.footer-column a:hover { color: var(--arasync-white); }

.footer-heading {
    margin: 0 0 16px;
    font: 600 0.75rem/1 var(--font-primary);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--arasync-white);
}

.footer-column ul { list-style: none; display: grid; gap: 10px; margin: 0; padding: 0; }
.footer-column li { margin: 0; }

.footer-social a { color: #C3D1DA; }
.footer-social a:hover { background: var(--arasync-primary); }

.footer-bottom { border-top-color: rgba(255, 255, 255, 0.08); }
.footer-bottom p,
.footer-legal a { color: #93A3AD; }
.footer-legal a:hover { color: var(--arasync-white); }

@media (max-width: 960px) {
    .site-footer .footer-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
    .site-footer .footer-grid { grid-template-columns: 1fr 1fr; text-align: left; }
    .footer-social { justify-content: flex-start; }
    .footer-bottom { flex-direction: column; align-items: flex-start; text-align: left; }
    .footer-legal { flex-wrap: wrap; gap: 12px 20px; }
}

/* style.css colors every .main-navigation a; keep the CTA button readable */
.main-navigation .nav-actions .btn-primary,
.main-navigation .nav-actions .btn-primary:hover { color: var(--arasync-white); }

/* backdrop-filter makes the header a containing block for fixed children,
   which would shrink the mobile menu sheet to the header's height */
@media (max-width: 960px) {
    .site-header,
    .site-header.scrolled {
        background: var(--arasync-white);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }
}

.main-navigation .nav-actions .btn { display: inline-flex; }
@media (max-width: 960px) {
    .main-navigation .nav-actions .btn { display: flex; }
}

/* ---------- Legacy page layout fixes ---------- */
/* Most inner-page CTA bands have no .cta-content wrapper, so center the container itself */
.cta-section .container {
    position: relative;
    text-align: center;
}

.cta-section .container > h2,
.cta-section .container > p {
    max-width: 680px;
    margin-inline: auto;
}

/* Three-column card grids holding exactly four cards: use a 2 x 2 layout instead of 3 + 1 */
@media (min-width: 1025px) {
    .approach-content:has(> :nth-child(4):last-child),
    .features-grid:has(> :nth-child(4):last-child),
    .serve-grid:has(> :nth-child(4):last-child) {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* FAQs read better as one column */
.faq-grid {
    grid-template-columns: 1fr;
    max-width: 860px;
}

/* ---------- About: why the name ---------- */
.about-name { border-top: 1px solid var(--arasync-line); }

.about-name-inner {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: clamp(24px, 4vw, 48px);
    align-items: center;
    max-width: 920px;
}

.about-name-mark { width: clamp(72px, 10vw, 104px); height: auto; }

.about-name h2 {
    margin-top: 12px;
    font-size: clamp(1.5rem, 2.8vw, 2.1rem);
    line-height: 1.25;
    color: var(--ink);
}

.about-name h2 em { font-style: normal; color: var(--arasync-primary); }

.about-name p { margin-top: 14px; max-width: 38em; font-size: 1.05rem; color: var(--ink-2); }

@media (max-width: 560px) {
    .about-name-inner { grid-template-columns: 1fr; }
}