/*
 * Locate2u Mesh — documentation site styles.
 *
 * Every colour, font, radius, and shadow comes from /brand/brand.css.
 * If something feels missing, add it to the source-of-truth in
 * loc-mesh/design/brand/tokens/colors_and_type.css and re-sync — don't
 * invent a local one-off here.
 */

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
    font-family: var(--l2u-font-sans);
    color: var(--l2u-text-body);
    background: var(--l2u-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }

/* ============================================================
   Nav
   ============================================================ */

.nav {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--l2u-s-6);
    height: 76px;
    padding: 0 var(--l2u-s-20);
    background: var(--l2u-dark-blue);
    color: var(--fg-on-dark);
    border-bottom: 1px solid var(--l2u-dark-border);
}

/* ---- Brand lockup ------------------------------------------------------
   Canonical "inline" lockup (design/brand/source → MeshLockup):
   [Locate2u wordmark] · [mesh mark] mesh. Shared by the nav and footer.
   The logo-classic art places the wordmark high in its frame, so we nudge it
   down (~15.5% of its own height) to optically line up with the "mesh" text. */
.brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: var(--l2u-s-3);
    color: var(--fg-on-dark);
}

.brand-lockup__logo {
    width: auto;
    align-self: center;
    transform: translateY(15.5%);
}

.brand-lockup__sep {
    width: 1px;
    align-self: center;
    background: var(--l2u-dark-border-strong);
}

.brand-lockup__mesh {
    display: inline-flex;
    align-items: center;
    gap: var(--l2u-s-2);
}

.brand-lockup__product {
    font-family: var(--l2u-font-mono);
    font-weight: 500;
    letter-spacing: -0.4px;
    color: var(--fg-on-dark);
}

.nav__logo { height: 22px; }
.nav__mark { height: 21px; width: 21px; }
.nav__product { font-size: 16px; }
.nav .brand-lockup__sep { height: 18px; }

.nav__links {
    display: flex;
    gap: var(--l2u-s-7);
}

.nav__links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--l2u-on-dark-78);
    transition: color .15s;
}

.nav__links a:hover { color: var(--fg-on-dark); }

.nav__cta {
    display: flex;
    align-items: center;
    gap: var(--l2u-s-3);
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--l2u-s-2);
    border-radius: var(--l2u-r-pill);
    font-family: var(--l2u-font-sans);
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .12s, box-shadow .15s, background .15s;
    text-decoration: none;
    white-space: nowrap;
}

.btn--sm {
    padding: var(--l2u-s-2) var(--l2u-s-4);
    font-size: 13px;
    height: 36px;
}

.btn--lg {
    padding: var(--l2u-s-3) var(--l2u-s-6);
    font-size: 15px;
    height: 48px;
}

.btn--primary {
    background: var(--l2u-primary);
    color: var(--fg-on-dark);
}
.btn--primary:hover {
    transform: translateY(-1px);
}
.btn--primary.btn--glow {
    box-shadow: var(--l2u-shadow-cta-blue);
}

/* ============================================================
   Pills + status dots
   ============================================================ */

.pill {
    display: inline-flex;
    align-items: center;
    gap: var(--l2u-s-2);
    padding: var(--l2u-s-2) var(--l2u-s-3);
    border-radius: var(--l2u-r-pill);
    font-size: 11px;
    width: fit-content;
}

.pill--dark {
    background: var(--l2u-dark-fill);
    border: 1px solid var(--l2u-dark-border-strong);
    color: var(--l2u-on-dark-9);
}

/* brand.css hard-codes .l2u-mono { color: navy }. Where a mono span is nested
   inside a dark panel (rather than carrying the panel class itself), that navy
   wins and the text disappears. Re-inherit the panel's light colour. */
.pill--dark .l2u-mono,
.code-panel__route .l2u-mono {
    color: inherit;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--l2u-r-pill);
    background: var(--l2u-text-mute-2);
    flex-shrink: 0;
}
.status-dot--success { background: var(--l2u-success); }

@keyframes l2u-pulse {
    0%, 100% { box-shadow: 0 0 0 0 currentColor; opacity: 1; }
    50%      { box-shadow: 0 0 0 4px rgba(45, 210, 122, 0); opacity: 0.7; }
}
.status-dot--pulse {
    color: var(--l2u-success);
    animation: l2u-pulse 1.6s infinite ease-in-out;
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
    position: relative;
    background: var(--l2u-dark-blue);
    color: var(--fg-on-dark);
    padding: var(--l2u-s-20) var(--l2u-s-20) calc(var(--l2u-s-20) + var(--l2u-s-12));
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 50% 40%, transparent, var(--l2u-dark-blue) 70%),
        radial-gradient(circle at 1px 1px, rgba(79,139,255,0.18) 1px, transparent 1.5px) 0 0 / 40px 40px;
    opacity: 0.6;
    pointer-events: none;
}

.hero__inner {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--l2u-s-5);
}

.hero__title {
    margin: 0;
    font-family: var(--l2u-font-sans);
    font-weight: 900;
    font-size: 64px;
    line-height: 68px;
    letter-spacing: -2px;
    color: var(--fg-on-dark);
}

.hero__lead {
    margin: 0;
    font-size: 18px;
    line-height: 30px;
    color: var(--l2u-on-dark-7);
    max-width: 600px;
}

.hero__search {
    display: flex;
    align-items: center;
    gap: var(--l2u-s-3);
    width: 100%;
    max-width: 520px;
    margin-top: var(--l2u-s-3);
    padding: 0 var(--l2u-s-5);
    height: 52px;
    background: var(--l2u-dark-fill);
    border: 1px solid var(--l2u-dark-border-strong);
    border-radius: var(--l2u-r-pill);
    color: var(--l2u-on-dark-45);
}

.hero__search input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    font-family: var(--l2u-font-sans);
    font-size: 15px;
    color: var(--fg-on-dark);
}
.hero__search input::placeholder { color: var(--l2u-on-dark-45); }

/* ============================================================
   Section heads + doc-section cards
   ============================================================ */

.sections {
    padding: calc(var(--l2u-s-20) + var(--l2u-s-12)) var(--l2u-s-20);
    max-width: 1280px;
    margin: 0 auto;
}

.section__head {
    max-width: 760px;
    margin-bottom: var(--l2u-s-12);
    display: flex;
    flex-direction: column;
    gap: var(--l2u-s-4);
}

.section__head .l2u-eyebrow { margin: 0; }
.section__head h2 { margin: 0; }
.section__head .l2u-lead { margin: 0; }

.sections__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--l2u-s-5);
}

.doc-card {
    background: var(--l2u-white);
    border: 1px solid var(--l2u-border);
    border-radius: var(--l2u-r-2xl);
    padding: var(--l2u-s-7);
    display: flex;
    flex-direction: column;
    gap: var(--l2u-s-4);
    box-shadow: var(--l2u-shadow-card);
    transition: transform .15s, box-shadow .2s;
}
.doc-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(15,31,56,0.06), 0 14px 32px rgba(15,31,56,0.10);
}

.doc-card__icon {
    width: 44px; height: 44px;
    border-radius: var(--l2u-r-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.doc-card__title { margin: 0; }
.doc-card__body  { margin: 0; flex: 1; }

.doc-card__link {
    color: var(--l2u-primary);
    letter-spacing: 1px;
    font-size: 11px;
}

/* ============================================================
   Quickstart band
   ============================================================ */

.quickstart {
    background: var(--l2u-cream-2);
    border-top: 1px solid var(--l2u-border);
    border-bottom: 1px solid var(--l2u-border);
    padding: calc(var(--l2u-s-20)) var(--l2u-s-20);
}

.quickstart__inner {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: var(--l2u-s-16);
    align-items: center;
}

.quickstart__copy {
    display: flex;
    flex-direction: column;
    gap: var(--l2u-s-4);
}
.quickstart__copy .l2u-eyebrow { margin: 0; }
.quickstart__copy h2 { margin: 0; }
.quickstart__copy .l2u-lead { margin: 0; }

.quickstart__steps {
    list-style: none;
    margin: var(--l2u-s-2) 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--l2u-s-3);
}

.quickstart__steps li {
    display: flex;
    align-items: center;
    gap: var(--l2u-s-3);
}

.quickstart__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px; height: 24px;
    border-radius: var(--l2u-r-pill);
    background: var(--l2u-primary);
    color: var(--fg-on-dark);
    font-family: var(--l2u-font-mono);
    font-size: 12px;
    flex-shrink: 0;
}

/* ============================================================
   Code panel
   ============================================================ */

.code-panel {
    background: var(--l2u-dark-blue);
    border: 1px solid var(--l2u-dark-border-strong);
    border-radius: var(--l2u-r-xl);
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0,0,0,0.40);
}

.code-panel__head {
    padding: var(--l2u-s-3) var(--l2u-s-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--l2u-dark-border);
}

.code-panel__route {
    display: inline-flex;
    align-items: center;
    gap: var(--l2u-s-3);
    font-size: 11px;
    color: var(--l2u-on-dark-7);
    letter-spacing: 1.2px;
}

.code-panel__dot {
    width: 8px; height: 8px;
    border-radius: var(--l2u-r-pill);
    background: var(--l2u-primary);
}

.code-panel__status {
    display: inline-flex;
    align-items: center;
    gap: var(--l2u-s-2);
    font-size: 10px;
    color: var(--l2u-on-dark-5);
}

.code-panel__body {
    margin: 0;
    padding: var(--l2u-s-5) var(--l2u-s-6);
    font-family: var(--l2u-font-mono);
    font-size: 13px;
    line-height: 22px;
    color: var(--l2u-on-dark-78);
    overflow-x: auto;
}

.code-panel__foot {
    border-top: 1px solid var(--l2u-dark-border);
    padding: var(--l2u-s-3) var(--l2u-s-5);
    display: flex;
    gap: var(--l2u-s-3);
    align-items: center;
    font-size: 11px;
    color: var(--l2u-on-dark-5);
}

.code-panel__arrow { color: var(--l2u-primary); }

/* Syntax tokens */
.c-cmt { color: var(--l2u-on-dark-4); }
.c-kw  { color: var(--l2u-primary); }
.c-str { color: #7DD3A3; }
.c-num { color: #F6C77C; }

/* ============================================================
   CTA band
   ============================================================ */

.cta-band {
    background: var(--l2u-bluish-grey);
    color: var(--fg-on-dark);
    padding: var(--l2u-s-16) var(--l2u-s-20);
}

.cta-band__inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--l2u-s-12);
}

.cta-band__title {
    margin: var(--l2u-s-3) 0 0;
    font-family: var(--l2u-font-sans);
    font-weight: 700;
    font-size: 36px;
    line-height: 44px;
    letter-spacing: -0.8px;
    color: var(--fg-on-dark);
    max-width: 760px;
}

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

.foot {
    background: var(--l2u-dark-blue);
    color: var(--fg-on-dark);
    padding: var(--l2u-s-16) var(--l2u-s-20) var(--l2u-s-12);
}

.foot__inner {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: var(--l2u-s-12);
}

.foot__brand {
    display: flex;
    flex-direction: column;
    gap: var(--l2u-s-4);
}

.foot__lockup { align-self: flex-start; }
.foot__logo { height: 22px; }
.foot__mark { height: 20px; width: 20px; }
.foot__product { font-size: 16px; }
.foot .brand-lockup__sep { height: 17px; }

.foot__tagline {
    color: var(--l2u-on-dark-7);
    max-width: 320px;
}

.foot__env {
    color: var(--l2u-on-dark-45);
}

.foot__cols {
    display: contents;
}

.foot__col {
    display: flex;
    flex-direction: column;
    gap: var(--l2u-s-3);
}

.foot__col p { margin: 0 0 var(--l2u-s-2); }

.foot__col a {
    color: var(--l2u-on-dark-7);
    font-size: 14px;
    transition: color .15s;
}
.foot__col a:hover { color: var(--fg-on-dark); }

.foot__copyright {
    max-width: 1280px;
    margin: var(--l2u-s-12) auto 0;
    color: var(--l2u-on-dark-4);
    padding-top: var(--l2u-s-6);
    border-top: 1px solid var(--l2u-dark-border);
}

/* ============================================================
   Responsive — narrow viewports collapse columns
   ============================================================ */

@media (max-width: 960px) {
    .nav { padding: 0 var(--l2u-s-6); }
    .nav__links { display: none; }
    .hero { padding: var(--l2u-s-12) var(--l2u-s-6) calc(var(--l2u-s-16)); }
    .hero__title { font-size: 44px; line-height: 48px; letter-spacing: -1.4px; }
    .sections { padding: var(--l2u-s-16) var(--l2u-s-6); }
    .sections__grid { grid-template-columns: 1fr; }
    .quickstart { padding: var(--l2u-s-16) var(--l2u-s-6); }
    .quickstart__inner { grid-template-columns: 1fr; gap: var(--l2u-s-12); }
    .cta-band { padding: var(--l2u-s-12) var(--l2u-s-6); }
    .cta-band__inner { flex-direction: column; align-items: flex-start; gap: var(--l2u-s-6); }
    .cta-band__title { font-size: 28px; line-height: 36px; }
    .foot { padding: var(--l2u-s-12) var(--l2u-s-6); }
    .foot__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 540px) {
    .foot__inner { grid-template-columns: 1fr; }
    .hero__title { font-size: 36px; line-height: 40px; }
}