/* Shared styles for every page: palette, reset, header/nav and footer. */

:root {
    --paper:     #F5F6F0;   /* page background, off-white with a hint of green */
    --mist:      #E9ECDF;
    --lichen:    #D4DBC3;
    --olive:     #BEC5A4;
    --fern:      #7D8B63;
    --sage:      #8A8E75;
    --moss:      #55623F;
    --black:     #000000;
    --white:     #FFFFFF;

    --header-h:  76px;      /* header height; the pinned App Store bar sits right under it */
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: var(--paper);
    color: var(--black);
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: clip;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--moss);
    outline-offset: 3px;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--black);
    letter-spacing: -0.5px;
    text-decoration: none;
}

.eyebrow {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--sage);
    margin-bottom: 24px;
}

/* HEADER — stays pinned to the top.
   Three columns: links on the left, the logo centred, business links and "Get allergo.." on the right. */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--paper);
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.site-header.is-scrolled {
    border-bottom-color: var(--lichen);
}

.nav-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    grid-template-rows: var(--header-h);
    align-items: center;
    column-gap: 32px;
    padding: 0 56px;
}

.nav-inner .logo {
    grid-column: 2;
    justify-self: center;
}

.nav {
    display: flex;
    align-items: center;
}

.nav-left {
    grid-column: 1;
    justify-self: start;
}

.nav-right {
    grid-column: 3;
    justify-self: end;
    gap: 12px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: var(--black);
    text-decoration: none;
    white-space: nowrap;
    border-radius: 8px;
    padding: 8px 12px;
}

.nav-link:hover {
    background: var(--mist);
}

.nav-search svg {
    width: 16px;
    height: 16px;
}

.nav-item {
    position: relative;
}

.nav-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
    font: inherit;
    font-size: 15px;
    color: var(--black);
    background: none;
    border: 0;
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
}

.nav-trigger:hover,
.nav-item.is-open .nav-trigger {
    background: var(--mist);
}

.nav-trigger svg {
    width: 12px;
    height: 12px;
    transition: transform 0.2s ease;
}

.nav-item.is-open .nav-trigger svg {
    transform: rotate(180deg);
}

/* Dropdown panel */
.nav-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 300px;
    padding: 8px;
    background: var(--white);
    border-radius: 14px;
    box-shadow: 0 16px 40px rgba(45, 47, 36, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0s linear 0.18s;
}

/* Invisible bridge so the menu doesn't close while the pointer crosses the gap */
.nav-menu::before {
    content: '';
    position: absolute;
    top: -9px;
    left: 0;
    right: 0;
    height: 9px;
}

.nav-item.is-open .nav-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0s;
}

/* Wide menu split into columns (About) */
.nav-menu-wide {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    width: 760px;
    padding: 16px;
}

.menu-col {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.menu-heading {
    padding: 8px 14px 6px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--sage);
}

.menu-blurb {
    padding: 2px 14px 8px;
    font-size: 14px;
    line-height: 1.55;
}

.nav-menu a {
    display: block;
    padding: 12px 14px;
    border-radius: 10px;
    text-decoration: none;
}

.nav-menu a:hover {
    background: var(--mist);
}

.menu-title {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--black);
}

.menu-desc {
    display: block;
    margin-top: 3px;
    font-size: 13px;
    line-height: 1.45;
    color: var(--sage);
}

.nav-cta {
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
    background: var(--moss);
    border-radius: 10px;
    padding: 11px 20px;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.15s ease;
}

.nav-cta:hover {
    background: var(--black);
}

/* Mobile menu button (hidden on desktop) */
.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    background: none;
    border: 0;
    border-radius: 8px;
    color: var(--black);
    cursor: pointer;
}

.nav-toggle svg {
    width: 22px;
    height: 22px;
}

/* FOOTER */
footer {
    padding: 24px 56px;
    border-top: 1px solid var(--lichen);
    background: var(--mist);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
}

footer a {
    color: var(--black);
    text-decoration: none;
}

footer a:hover {
    color: var(--black);
}

footer p {
    color: var(--sage);
}

/* Not enough room for everything in one row: menu button left, logo centred,
   and both sets of links open as a panel under the header */
@media (max-width: 1100px) {
    .nav-inner { grid-template-columns: 40px 1fr 40px; column-gap: 0; padding: 0 24px; }
    .nav-toggle { display: grid; place-items: center; grid-column: 1; grid-row: 1; }
    .nav-inner .logo { grid-column: 2; grid-row: 1; }

    .nav {
        display: none;
        grid-column: 1 / -1;
        justify-self: stretch;
        flex-direction: column;
        align-items: stretch;
    }

    .nav-left { grid-row: 2; padding-top: 8px; }
    .nav-right { grid-row: 3; gap: 4px; padding-bottom: 24px; }
    .site-header.nav-open .nav { display: flex; }
    .site-header.nav-open { max-height: 100vh; overflow-y: auto; border-bottom-color: var(--lichen); }

    .nav-links { flex-direction: column; align-items: stretch; gap: 4px; }

    /* Menus are listed open under their headings instead of dropping down */
    .nav-trigger {
        pointer-events: none;
        padding: 12px 12px 0;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: var(--sage);
    }

    .nav-trigger svg { display: none; }

    .nav-menu {
        position: static;
        min-width: 0;
        padding: 0;
        background: none;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .nav-menu-wide { width: auto; grid-template-columns: 1fr; gap: 0; }
    .menu-heading { display: none; }
    .menu-blurb { padding: 4px 12px; color: var(--sage); }
    .nav-menu a { padding: 10px 12px; }
    .nav-cta { margin-top: 12px; text-align: center; }
}

@media (max-width: 800px) {
    :root { --header-h: 68px; }
    .logo { font-size: 24px; }
    footer { padding: 20px 24px; }
}

@media (prefers-reduced-motion: reduce) {
    .nav-menu, .nav-trigger svg, .site-header, .nav-cta { transition: none; }
}

/* PRE-LAUNCH PASSWORD SCREEN (used by scripts/locked-page.html) */
.gate[hidden] {
    display: none;
}

.gate {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: 24px;
    background: var(--paper);
}

.gate-box {
    width: 100%;
    max-width: 380px;
    padding: 40px;
    background: var(--lichen);
    border-radius: 20px;
}

.gate-logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 28px;
}

.gate-title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 10px;
}

.gate-text {
    font-size: 15px;
    line-height: 1.55;
    margin-bottom: 24px;
}

.gate-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--moss);
    margin-bottom: 8px;
}

.gate-input {
    width: 100%;
    font: inherit;
    font-size: 16px;
    color: var(--black);
    background: var(--white);
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 12px 14px;
}

.gate-input:focus {
    outline: 2px solid var(--moss);
    outline-offset: 1px;
}

.gate-error {
    margin-top: 10px;
    font-size: 13px;
    color: #9B2C2C;
}

.gate-button {
    width: 100%;
    margin-top: 16px;
    font: inherit;
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
    background: var(--moss);
    border: 0;
    border-radius: 10px;
    padding: 12px 20px;
    cursor: pointer;
}

.gate-button:hover {
    background: var(--black);
}