/* ------------------------------------------------------------
   synappro design system — shared chrome
   Glass navigation bar + footer, used by every redesigned page.
   Requires tokens.css. Breakpoints (1040px, 559px) match the design
   prototypes' actual implemented CSS, not the handoff README's rounded
   prose summary ("860px") — verified consistent across every prototype.
   ------------------------------------------------------------ */

/* ===== Glass nav ===== */

.site-nav {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: var(--content-max);
    z-index: 200;
    border-radius: var(--r-nav);
    background: rgba(245, 246, 249, 0.38);
    backdrop-filter: blur(44px) saturate(180%);
    -webkit-backdrop-filter: blur(44px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.65);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.95),
        inset 0 -1px 0 rgba(255, 255, 255, 0.42),
        inset 0 0 22px rgba(255, 255, 255, 0.22),
        0 12px 36px hsl(220 18% 55% / 0.20);
    transition: box-shadow var(--dur-surface) var(--ease-breath), background var(--dur-surface) var(--ease-breath);
}
.site-nav.is-scrolled {
    background: rgba(245, 246, 249, 0.58);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.95),
        inset 0 -1px 0 rgba(255, 255, 255, 0.42),
        inset 0 0 22px rgba(255, 255, 255, 0.22),
        0 16px 44px hsl(220 18% 55% / 0.24);
}
.site-nav-tint,
.site-nav-grain {
    position: absolute;
    inset: 0;
    border-radius: var(--r-nav);
    pointer-events: none;
}
.site-nav-tint { background: var(--glass-tint); }
.site-nav-grain { background-image: var(--grain); opacity: 0.12; mix-blend-mode: multiply; }

.site-nav-bar {
    position: relative;
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 0 20px 0 24px;
    height: 60px;
}

.site-nav-wordmark {
    font-family: var(--font-heading);
    font-size: 21px;
    color: var(--ink-900);
    text-decoration: none;
    letter-spacing: -0.01em;
    flex-shrink: 0;
    /* the brand word is always lower-case */
    text-transform: lowercase;
}

.site-nav-links {
    display: none;
    gap: 28px;
    margin-left: 8px;
}
.site-nav-links a {
    position: relative;
    font-size: 16px;
    color: var(--ink-700);
    text-decoration: none;
    white-space: nowrap;
    padding-bottom: 4px;
    transition: color var(--dur-control) var(--ease-breath);
}
.site-nav-links a:hover { color: var(--ink-900); }

/* Active nav link — terracotta is the design system's designated
   "active state" colour (see the colour token table), so a thin underline
   in that colour reads as "you are here" without introducing a new accent. */
.site-nav-links a.is-active {
    color: var(--ink-900);
    font-weight: 600;
}
.site-nav-links a.is-active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    border-radius: 1px;
    background: var(--terracotta-500);
}

.site-nav-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.site-nav-ghost {
    display: none;
    font-size: 15px;
    color: var(--ink-900);
    text-decoration: none;
    padding: 9px 16px;
    border-radius: var(--r-btn);
    border: 1px solid var(--border-hairline);
    background: rgba(255, 255, 255, 0.6);
    white-space: nowrap;
    transition: background var(--dur-control) var(--ease-breath);
}
.site-nav-ghost:hover { background: var(--neutral-100); }

.site-nav-cta {
    font-size: 15px;
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    padding: 10px 18px;
    border-radius: var(--r-btn);
    background: var(--terracotta-500);
    white-space: nowrap;
    transition: background var(--dur-control) var(--ease-breath);
}
.site-nav-cta:hover { background: var(--terracotta-600); }

.site-nav-burger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--border-hairline);
    border-radius: var(--r-btn);
    background: rgba(255, 255, 255, 0.6);
    color: var(--ink-900);
    cursor: pointer;
    transition: background var(--dur-control) var(--ease-breath);
}
.site-nav-burger:hover { background: var(--neutral-100); }

.site-nav-menu {
    overflow: hidden;
    max-height: 0;
    transition: max-height var(--dur-surface) var(--ease-breath);
}
.site-nav.is-menu-open .site-nav-menu { max-height: 560px; }

.site-nav-menu-inner {
    padding: 8px 24px 28px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.5);
}
.site-nav-menu-col { display: flex; flex-direction: column; gap: 10px; }
.site-nav-menu-col:nth-child(-n+2) { padding-top: 20px; }
.site-nav-menu-col .t-metadata { margin-bottom: 2px; }
.site-nav-menu-col a {
    font-size: 16px;
    color: var(--ink-900);
    text-decoration: none;
}
.site-nav-menu-col a.is-active {
    color: var(--terracotta-500);
    font-weight: 600;
}

@media (min-width: 1040px) {
    .site-nav-links { display: flex; }
    .site-nav-burger { display: none; }
    .site-nav-ghost { display: inline-block; }
    .site-nav-menu { display: none; }
}
@media (max-width: 1039px) {
    .site-nav-cta { display: none; }
}

/* ===== Footer ===== */

.site-footer {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0 var(--side-pad) 64px;
}

.site-footer-newsletter {
    border-top: 1px solid var(--border-hairline);
    padding: 40px 0;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}
.site-footer-newsletter-copy { flex: 1; min-width: min(360px, 100%); max-width: 460px; }
.site-footer-newsletter-copy .t-metadata { margin-bottom: 16px; }
.site-footer-newsletter-form {
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
}
.site-footer-newsletter-form input[type="email"] {
    flex: 1;
    min-width: 0;
    font-family: var(--font-body);
    font-size: 17px;
    color: var(--ink-900);
    padding: 16px 20px;
    border-radius: var(--r-btn);
    border: 1px solid var(--border-hairline);
    background: var(--surface-card);
    outline: none;
}

.app-store-badge { display: inline-block; line-height: 0; }
.site-footer-app-store-badge img { height: 44px; width: auto; opacity: 0.6; transition: opacity var(--dur-control) var(--ease-breath); }
.site-footer-app-store-badge:hover img { opacity: 1; }

.site-footer-app-cta { display: flex; flex-direction: column; align-items: flex-end; gap: 16px; flex-shrink: 0; }
.site-footer-app-cta .t-metadata { margin: 0; }
@media (max-width: 559px) {
    .site-footer-app-cta { align-items: flex-start; }
}

.site-footer-columns {
    padding-top: 56px;
    border-top: 1px solid var(--border-hairline);
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) repeat(3, minmax(0, 1fr));
    gap: 40px;
}
.site-footer-brand p:first-child {
    font-family: var(--font-heading);
    font-size: 21px;
    color: var(--ink-900);
    margin: 0 0 16px;
    text-transform: lowercase;
}
.site-footer-brand .t-small { max-width: 34ch; margin: 0; }

.site-footer-col { display: flex; flex-direction: column; gap: 12px; }
.site-footer-col .t-metadata { margin: 0 0 4px; }
.site-footer-col a {
    font-size: 16px;
    color: var(--ink-700);
    text-decoration: none;
    transition: color var(--dur-control) var(--ease-breath);
}
.site-footer-col a:hover { color: var(--ink-900); }

.site-footer-bottom {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--neutral-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}
.site-footer-bottom p { font-size: 14px; color: var(--ink-500); margin: 0; }
.site-footer-socials { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.site-footer-socials a { line-height: 0; }
.site-footer-socials img { height: 24px; width: 24px; opacity: 0.6; }

@media (max-width: 1039px) {
    .site-footer { padding-left: var(--side-pad-mobile); padding-right: var(--side-pad-mobile); }
    .site-footer-columns { grid-template-columns: 1fr 1fr; gap: 32px; }
    .site-footer-columns > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 559px) {
    .site-footer-columns { grid-template-columns: 1fr; }
}