/* ============================================================================
   skyiye.com — Aric Rogers LLC
   Aesthetic: refined minimalism, aerospace/engineering precision
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600&family=JetBrains+Mono:wght@400;500&family=Inter+Tight:wght@300;400;500;600&display=swap');

:root {
    --ink:        #0c1116;          /* near-black, slight cool */
    --ink-soft:   #2a3038;
    --ink-mute:   #5b6470;
    --paper:      #fafaf7;          /* warm off-white */
    --paper-pure: #ffffff;
    --rule:       #d8d6cf;          /* hairline rule */
    --rule-soft:  #ebe9e2;
    --accent:     #b8472a;          /* burnt orange — used sparingly */
    --accent-mute:#e4d9c8;          /* sand */
    --signal:     #2d5f3f;          /* deep green for "live"/status */

    --serif: 'Fraunces', Georgia, serif;
    --sans:  'Inter Tight', -apple-system, BlinkMacSystemFont, sans-serif;
    --mono:  'JetBrains Mono', ui-monospace, Menlo, monospace;

    --measure: 68ch;
    --page-pad: clamp(1.25rem, 4vw, 3rem);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--sans);
    font-weight: 400;
    font-size: 17px;
    line-height: 1.55;
    color: var(--ink);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ── Typography ─────────────────────────────────────────────────────────── */

h1, h2, h3, h4 {
    font-family: var(--serif);
    font-weight: 400;
    line-height: 1.08;
    letter-spacing: -0.015em;
    color: var(--ink);
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.75rem);
    font-variation-settings: "opsz" 144;
    font-weight: 300;
}

h2 {
    font-size: clamp(1.875rem, 3.5vw, 2.75rem);
    font-variation-settings: "opsz" 96;
    margin-bottom: 1.25rem;
}

h3 {
    font-size: 1.375rem;
    font-variation-settings: "opsz" 24;
    margin-bottom: 0.5rem;
}

p { max-width: var(--measure); }
p + p { margin-top: 1rem; }

a {
    color: var(--ink);
    text-decoration: none;
    text-underline-offset: 0.2em;
    text-decoration-thickness: 1px;
    transition: color 0.2s ease;
}

a:hover { color: var(--accent); }

.mono {
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-mute);
}

.eyebrow {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-mute);
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    margin-bottom: 1.5rem;
}

.eyebrow::before {
    content: "";
    display: inline-block;
    width: 1.75rem;
    height: 1px;
    background: var(--ink-mute);
}

.lede {
    font-family: var(--serif);
    font-weight: 300;
    font-size: clamp(1.125rem, 1.6vw, 1.375rem);
    line-height: 1.5;
    color: var(--ink-soft);
    max-width: 60ch;
}

/* ── Layout primitives ──────────────────────────────────────────────────── */

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 var(--page-pad);
}

.container-narrow {
    width: 100%;
    max-width: 880px;
    margin: 0 auto;
    padding: 0 var(--page-pad);
}

section { padding: clamp(4rem, 9vw, 8rem) 0; }

.section-rule {
    border-top: 1px solid var(--rule);
}

/* ── Nav ────────────────────────────────────────────────────────────────── */

.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250, 250, 247, 0.85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--rule-soft);
}

.nav-inner {
    max-width: 1240px;
    margin: 0 auto;
    padding: 1.125rem var(--page-pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.brand {
    font-family: var(--serif);
    font-weight: 400;
    font-size: 1.375rem;
    letter-spacing: -0.02em;
    color: var(--ink);
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.brand:hover { color: var(--ink); }

.brand-mark {
    font-family: var(--mono);
    font-size: 0.68rem;
    color: var(--accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transform: translateY(-0.15rem);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2.5vw, 2.25rem);
    list-style: none;
}

.nav-links a {
    font-size: 0.92rem;
    color: var(--ink-soft);
    font-weight: 400;
}

.nav-links a:hover { color: var(--ink); }

.nav-cta {
    font-size: 0.85rem;
    padding: 0.55rem 1.1rem;
    border: 1px solid var(--ink);
    color: var(--ink);
    transition: all 0.2s ease;
}

.nav-cta:hover {
    background: var(--ink);
    color: var(--paper);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--ink);
    font-family: var(--mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
}

@media (max-width: 820px) {
    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--paper);
        border-bottom: 1px solid var(--rule);
        padding: 1.5rem var(--page-pad);
        gap: 1.25rem;
        align-items: flex-start;
    }
    .nav-toggle { display: block; }
}

/* ── Buttons ────────────────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1.4rem;
    font-size: 0.92rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    border: 1px solid var(--ink);
    background: var(--ink);
    color: var(--paper);
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
}

.btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--paper);
}

.btn-ghost {
    background: transparent;
    color: var(--ink);
}

.btn-ghost:hover {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}

.btn-arrow::after {
    content: "→";
    font-family: var(--serif);
    transition: transform 0.25s ease;
}

.btn:hover .btn-arrow::after,
.btn-arrow:hover::after { transform: translateX(3px); }

/* ── Hero ───────────────────────────────────────────────────────────────── */

.hero {
    padding: clamp(5rem, 12vw, 9rem) 0 clamp(4rem, 8vw, 7rem);
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: end;
}

@media (min-width: 900px) {
    .hero-grid {
        grid-template-columns: 1.4fr 1fr;
        gap: 5rem;
    }
}

.hero h1 {
    margin-bottom: 1.75rem;
}

.hero h1 .accent {
    font-style: italic;
    color: var(--accent);
    font-weight: 400;
}

.hero-meta {
    border-top: 1px solid var(--rule);
    padding-top: 1.25rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.hero-meta-item .mono { display: block; margin-bottom: 0.35rem; }
.hero-meta-item p { font-size: 0.95rem; color: var(--ink-soft); }

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-top: 2.25rem;
    flex-wrap: wrap;
}

/* Decorative coordinate grid */
.coord-grid {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.4;
    background-image:
        linear-gradient(to right, var(--rule-soft) 1px, transparent 1px),
        linear-gradient(to bottom, var(--rule-soft) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at top right, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at top right, black 0%, transparent 70%);
}

/* ── Stats strip ────────────────────────────────────────────────────────── */

.stats {
    background: var(--ink);
    color: var(--paper);
    padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 3rem;
}

@media (min-width: 760px) {
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
}

.stat .num {
    font-family: var(--serif);
    font-weight: 300;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1;
    margin-bottom: 0.65rem;
    color: var(--paper);
}

.stat .num .unit {
    font-size: 0.55em;
    color: var(--accent-mute);
    margin-left: 0.15em;
}

.stat .label {
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent-mute);
}

/* ── Cards / Services ───────────────────────────────────────────────────── */

.cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid var(--rule);
    margin-top: 3rem;
}

@media (min-width: 760px) {
    .cards { grid-template-columns: 1fr 1fr; }
    .cards .card:nth-child(odd) { border-right: 1px solid var(--rule); }
}

@media (min-width: 1080px) {
    .cards.cards-3 { grid-template-columns: repeat(3, 1fr); }
    .cards.cards-3 .card { border-right: 1px solid var(--rule); }
    .cards.cards-3 .card:last-child { border-right: none; }
}

.card {
    padding: 2.25rem 0;
    border-bottom: 1px solid var(--rule);
    padding-right: 2rem;
    transition: background 0.25s ease;
}

@media (min-width: 760px) {
    .card { padding: 2.5rem 2.5rem 2.5rem 0; }
    .card:nth-child(even) { padding-left: 2.5rem; padding-right: 0; }
}

.card-num {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--accent);
    letter-spacing: 0.12em;
    margin-bottom: 1rem;
    display: block;
}

.card h3 {
    margin-bottom: 0.85rem;
}

.card p {
    color: var(--ink-soft);
    font-size: 0.95rem;
    line-height: 1.6;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1.25rem;
    font-size: 0.85rem;
    font-family: var(--mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink);
    border-bottom: 1px solid var(--ink);
    padding-bottom: 2px;
}

.card-link::after { content: "→"; transition: transform 0.2s; }
.card-link:hover::after { transform: translateX(3px); }

/* ── Two-column content ─────────────────────────────────────────────────── */

.two-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 900px) {
    .two-col { grid-template-columns: 1fr 1.5fr; gap: 5rem; align-items: start; }
}

.two-col .col-aside {
    position: sticky;
    top: 6rem;
}

/* ── Spec list (used on services pages) ─────────────────────────────────── */

.spec-list {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr;
    border-top: 1px solid var(--rule);
    margin-top: 1.5rem;
}

.spec-list li {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--rule-soft);
}

@media (min-width: 600px) {
    .spec-list li {
        grid-template-columns: 220px 1fr;
        gap: 2rem;
        align-items: baseline;
    }
}

.spec-list .label {
    font-family: var(--mono);
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-mute);
}

.spec-list .value {
    color: var(--ink);
    font-size: 0.98rem;
}

/* ── Course tier cards (training page) ──────────────────────────────────── */

.tier-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (min-width: 760px) { .tier-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1080px) { .tier-grid { grid-template-columns: repeat(4, 1fr); } }

.tier {
    border: 1px solid var(--rule);
    padding: 1.75rem;
    background: var(--paper-pure);
    display: flex;
    flex-direction: column;
    transition: border-color 0.25s ease, transform 0.25s ease;
}

.tier:hover {
    border-color: var(--ink);
    transform: translateY(-2px);
}

.tier-tag {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.85rem;
}

.tier h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.tier-desc {
    font-size: 0.9rem;
    color: var(--ink-soft);
    line-height: 1.55;
    margin-bottom: 1.25rem;
    flex: 1;
}

.tier-meta {
    border-top: 1px solid var(--rule-soft);
    padding-top: 1rem;
    display: grid;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--ink-mute);
}

.tier-meta .row {
    display: flex;
    justify-content: space-between;
}

.tier-meta .row .val { color: var(--ink); }

/* ── Form ───────────────────────────────────────────────────────────────── */

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 2rem;
}

@media (min-width: 700px) {
    .form-grid { grid-template-columns: 1fr 1fr; }
    .form-grid .full { grid-column: 1 / -1; }
}

.field label {
    display: block;
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-mute);
    margin-bottom: 0.5rem;
}

.field input,
.field textarea,
.field select {
    width: 100%;
    padding: 0.75rem 0.9rem;
    border: 1px solid var(--rule);
    background: var(--paper-pure);
    font-family: var(--sans);
    font-size: 0.95rem;
    color: var(--ink);
    transition: border-color 0.2s ease;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
    outline: none;
    border-color: var(--ink);
}

.field textarea { min-height: 140px; resize: vertical; }

/* ── Footer ─────────────────────────────────────────────────────────────── */

.footer {
    background: var(--ink);
    color: var(--paper);
    padding: clamp(3rem, 6vw, 5rem) 0 1.75rem;
}

.footer a { color: var(--paper); opacity: 0.75; }
.footer a:hover { opacity: 1; color: var(--paper); }

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid #2a3038;
}

@media (min-width: 760px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; }
}

.footer-brand {
    font-family: var(--serif);
    font-weight: 300;
    font-size: 1.5rem;
    color: var(--paper);
    margin-bottom: 0.75rem;
    display: inline-block;
}

.footer-tagline {
    font-size: 0.9rem;
    color: #8a939e;
    max-width: 32ch;
    line-height: 1.5;
}

.footer h4 {
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent-mute);
    margin-bottom: 1rem;
    font-weight: 500;
}

.footer ul { list-style: none; display: grid; gap: 0.55rem; }
.footer ul a { font-size: 0.9rem; }

.footer-bottom {
    padding-top: 1.75rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #6a727c;
}

.footer-bottom a { color: #8a939e; }

/* ── Page header (for inner pages) ──────────────────────────────────────── */

.page-header {
    padding: clamp(4rem, 8vw, 7rem) 0 clamp(2.5rem, 5vw, 4rem);
    border-bottom: 1px solid var(--rule);
}

.page-header h1 {
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    margin-bottom: 1.25rem;
}

.page-header .lede { font-size: clamp(1.05rem, 1.4vw, 1.25rem); }

.breadcrumb {
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-mute);
    margin-bottom: 1.5rem;
}

.breadcrumb a { color: var(--ink-mute); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb-sep { margin: 0 0.5rem; opacity: 0.5; }

/* ── Reveal animation ───────────────────────────────────────────────────── */

.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.7s cubic-bezier(0.2, 0, 0.2, 1),
                transform 0.7s cubic-bezier(0.2, 0, 0.2, 1);
}

.reveal.in {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; }
    * { animation: none !important; transition: none !important; }
}

/* ── Status badge ───────────────────────────────────────────────────────── */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--signal);
}

.badge::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 0 3px rgba(45, 95, 63, 0.18);
    animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 3px rgba(45, 95, 63, 0.18); }
    50%      { box-shadow: 0 0 0 5px rgba(45, 95, 63, 0.08); }
}

/* ── Utility ────────────────────────────────────────────────────────────── */

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.divider { height: 1px; background: var(--rule); margin: 3rem 0; }

/* ── Field Guides ──────────────────────────────────────────────────────── */

/* Guide index — list of available guides */

.guide-list {
    list-style: none;
    margin-top: 3rem;
    border-top: 1px solid var(--rule);
}

.guide-list li {
    border-bottom: 1px solid var(--rule);
}

.guide-list a {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 2rem 0;
    color: var(--ink);
    transition: padding 0.25s ease;
}

@media (min-width: 760px) {
    .guide-list a {
        grid-template-columns: 80px 1fr 200px 80px;
        gap: 2rem;
        align-items: baseline;
    }
}

.guide-list a:hover {
    color: var(--ink);
    padding-left: 0.75rem;
}

.guide-list .num {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--accent);
    letter-spacing: 0.08em;
}

.guide-list .title {
    font-family: var(--serif);
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.guide-list .title em { font-style: italic; color: var(--accent); font-weight: 400; }

.guide-list .desc {
    font-size: 0.92rem;
    color: var(--ink-soft);
    margin-top: 0.4rem;
}

.guide-list .meta {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--ink-mute);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.guide-list .arrow {
    text-align: right;
    font-family: var(--serif);
    font-size: 1.5rem;
    color: var(--ink-mute);
    transition: transform 0.25s ease, color 0.25s ease;
}

.guide-list a:hover .arrow {
    transform: translateX(4px);
    color: var(--accent);
}

.guide-list li.coming a {
    color: var(--ink-mute);
    pointer-events: none;
    cursor: default;
}

.guide-list li.coming .title { color: var(--ink-mute); }

.guide-list .badge-soon {
    font-family: var(--mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ink-mute);
    border: 1px solid var(--rule);
    padding: 0.15rem 0.5rem;
    border-radius: 2px;
    display: inline-block;
}

/* Sign-in nudge banner */

.gate-nudge {
    background: var(--paper-pure);
    border: 1px solid var(--rule);
    padding: 1.5rem 1.75rem;
    margin-top: 3rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    align-items: center;
}

@media (min-width: 760px) {
    .gate-nudge {
        grid-template-columns: 1fr auto;
        gap: 2rem;
    }
}

.gate-nudge p { font-size: 0.95rem; color: var(--ink-soft); margin: 0; max-width: 60ch; }
.gate-nudge .mono { display: block; margin-bottom: 0.4rem; color: var(--accent); }

/* ── Guide article ─────────────────────────────────────────────────────── */

.guide-article {
    max-width: 720px;
    margin: 0 auto;
}

.guide-article > * + * { margin-top: 1.25rem; }

.guide-article p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--ink);
    max-width: none;
}

.guide-article .lede {
    font-family: var(--serif);
    font-weight: 300;
    font-size: clamp(1.2rem, 1.8vw, 1.45rem);
    line-height: 1.5;
    color: var(--ink-soft);
    margin: 1.5rem 0 2.5rem;
}

.guide-article h2 {
    font-size: clamp(1.625rem, 2.5vw, 2rem);
    margin-top: 4rem;
    margin-bottom: 0.5rem;
    line-height: 1.15;
}

.guide-article h2 .accent {
    font-style: italic;
    color: var(--accent);
    font-weight: 400;
}

.guide-article h3 {
    font-size: 1.2rem;
    margin-top: 2rem;
    margin-bottom: 0.5rem;
    color: var(--ink);
}

.guide-article .section-num {
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    display: block;
    margin-top: 4rem;
    margin-bottom: 0.75rem;
    border-top: 1px solid var(--rule);
    padding-top: 2rem;
}

.guide-article ul, .guide-article ol {
    padding-left: 1.5rem;
    color: var(--ink);
}

.guide-article li { margin-bottom: 0.55rem; line-height: 1.6; }

.guide-article strong { font-weight: 600; }
.guide-article em { font-style: italic; }

.guide-article a {
    color: var(--accent);
    border-bottom: 1px solid var(--accent-mute);
    padding-bottom: 1px;
}

.guide-article a:hover {
    border-color: var(--accent);
}

/* Pull-quote / callout boxes */

.callout {
    border-left: 3px solid var(--accent);
    padding: 1rem 0 1rem 1.5rem;
    margin: 2rem 0;
    background: var(--paper-pure);
    padding-right: 1.5rem;
}

.callout .mono { color: var(--accent); margin-bottom: 0.4rem; display: block; }
.callout p { font-size: 0.98rem; }

/* ── LAANC grid diagram ────────────────────────────────────────────────── */

.uasfm-grid {
    margin: 2rem 0;
    border: 1px solid var(--ink);
    padding: 1.25rem;
    background: var(--paper-pure);
}

.uasfm-grid-inner {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
}

.uasfm-cell {
    aspect-ratio: 1 / 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border: 1px solid;
    padding: 0.25rem;
    font-family: var(--mono);
}

.uasfm-cell .v {
    font-family: var(--serif);
    font-size: clamp(0.95rem, 2.6vw, 1.5rem);
    font-weight: 500;
    line-height: 1;
}

.uasfm-cell .u {
    font-size: 0.55rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 0.25rem;
    opacity: 0.7;
}

/* Cell color states */
.uasfm-cell.full      { border-color: #2d5f3f; color: #2d5f3f; background: rgba(45,95,63,0.05); }
.uasfm-cell.partial-3 { border-color: #6f7c2e; color: #6f7c2e; background: rgba(111,124,46,0.05); }
.uasfm-cell.partial-2 { border-color: #a07a1e; color: #a07a1e; background: rgba(160,122,30,0.05); }
.uasfm-cell.partial-1 { border-color: #b86018; color: #b86018; background: rgba(184,96,24,0.05); }
.uasfm-cell.zero      { border-color: #c0392b; color: #c0392b; background: rgba(192,57,43,0.05); }

.uasfm-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--rule-soft);
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-mute);
}

.uasfm-legend span { display: inline-flex; align-items: center; gap: 0.5rem; }
.uasfm-legend i {
    display: inline-block;
    width: 10px;
    height: 10px;
    border: 1px solid;
}

/* ── Decision matrix ──────────────────────────────────────────────────── */

.matrix {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 0.95rem;
}

.matrix th, .matrix td {
    text-align: left;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--rule-soft);
    vertical-align: top;
}

.matrix th {
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-mute);
    border-bottom: 1px solid var(--rule);
    background: var(--paper-pure);
}

.matrix tr:hover td { background: var(--paper-pure); }

.matrix td:first-child {
    font-weight: 500;
    color: var(--ink);
    width: 45%;
}

.matrix td:last-child {
    color: var(--ink-soft);
}

/* ── Step list (numbered steps with big numerals) ─────────────────────── */

.steps {
    margin: 2.5rem 0;
    border-top: 1px solid var(--rule);
}

.steps .step {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1.75rem 0;
    border-bottom: 1px solid var(--rule);
}

@media (min-width: 700px) {
    .steps .step {
        grid-template-columns: 90px 1fr;
        gap: 2rem;
        align-items: baseline;
    }
}

.steps .step-num {
    font-family: var(--serif);
    font-style: italic;
    font-weight: 400;
    font-size: 2.5rem;
    line-height: 1;
    color: var(--accent);
}

.steps .step-body h3 {
    margin-top: 0;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.steps .step-body p {
    font-size: 0.98rem;
    color: var(--ink-soft);
    line-height: 1.6;
    margin: 0;
}

/* ── Article footer ───────────────────────────────────────────────────── */

.guide-end {
    margin-top: 4rem;
    padding: 2rem 0;
    border-top: 1px solid var(--rule);
    text-align: center;
}

.guide-end-tagline {
    font-family: var(--serif);
    font-style: italic;
    font-size: 1.25rem;
    color: var(--ink-soft);
    margin-bottom: 0.5rem;
}

.guide-end-disclaimer {
    font-family: var(--mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-mute);
    max-width: 60ch;
    margin: 1.5rem auto 0;
    line-height: 1.6;
}

/* Article meta strip (top of guide page) */

.guide-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem 2rem;
    padding: 1.5rem 0;
    margin: 2rem 0;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
}

@media (min-width: 760px) {
    .guide-meta { grid-template-columns: repeat(4, 1fr); }
}

.guide-meta .label {
    font-family: var(--mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-mute);
    display: block;
    margin-bottom: 0.4rem;
}

.guide-meta .value {
    font-family: var(--serif);
    font-size: 1.125rem;
    color: var(--ink);
}