/* ================================================================
   SEEDBiomed — Burns Project Suite
   Shared styles for BurnWoundProject, MechaProlifmodel, Angiomodel
   ================================================================ */

@import url('/assets/css/google-fonts-local.css');

:root {
    --b-deep:    #07111e;
    --b-navy:    #0d2137;
    --b-teal:    #013f54;
    --b-teal2:   #034d52;
    --b-accent:  #059598;
    --b-amber:   #f69318;
    --b-white:   #f9f6f2;
    --b-text:    #1e2d3d;
    --b-muted:   #5a7089;
    --b-border:  #dde4ec;
}

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

.burns-hero {
    background: linear-gradient(158deg, var(--b-deep) 0%, var(--b-navy) 35%, var(--b-teal) 75%, var(--b-teal2) 100%);
    padding: 5.5em 2em 4.5em;
    position: relative;
    overflow: hidden;
}

.burns-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle, rgba(5,149,152,0.15) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}

.burns-hero::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--b-white);
    clip-path: ellipse(55% 100% at 50% 100%);
}

.burns-hero-inner {
    max-width: 820px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.burns-hero-label {
    font-family: 'Barlow Condensed', 'Open Sans Condensed', sans-serif;
    font-size: 0.78em;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--b-accent);
    display: block;
    margin-bottom: 1em;
}

.burns-hero-title {
    font-family: 'Lora', Georgia, serif;
    font-size: clamp(1.75em, 4vw, 2.8em);
    font-weight: 600;
    color: #ffffff;
    line-height: 1.22;
    margin: 0 0 0.7em;
}

.burns-hero-sub {
    font-family: 'Open Sans', sans-serif;
    font-size: 1em;
    color: rgba(255,255,255,0.68);
    line-height: 1.75;
    max-width: 600px;
    margin: 0;
}

/* ── Sub-navigation ────────────────────────────────────────────── */

.burns-subnav {
    background: var(--b-navy);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    padding: 0 2em;
    position: sticky;
    top: 0;
    z-index: 500;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.burns-subnav::-webkit-scrollbar { display: none; }

.burns-subnav-project {
    font-family: 'Barlow Condensed', 'Open Sans Condensed', sans-serif;
    font-size: 0.7em;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.25);
    padding-right: 1.4em;
    border-right: 1px solid rgba(255,255,255,0.08);
    margin-right: 0.4em;
    white-space: nowrap;
    flex-shrink: 0;
}

.burns-subnav a {
    font-family: 'Barlow Condensed', 'Open Sans Condensed', sans-serif;
    font-size: 0.82em;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.45);
    text-decoration: none;
    padding: 1em 1.1em;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.burns-subnav a:hover {
    color: rgba(255,255,255,0.88);
    border-bottom-color: var(--b-accent);
}

.burns-subnav a.active {
    color: #ffffff;
    border-bottom-color: var(--b-amber);
}

/* ── Page body ─────────────────────────────────────────────────── */

.burns-body {
    background: var(--b-white);
}

/* ── Content sections ──────────────────────────────────────────── */

.burns-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 4em 2em;
    border-bottom: 1px solid var(--b-border);
}

.burns-section:last-of-type { border-bottom: none; }

.burns-section-num {
    font-family: 'Barlow Condensed', 'Open Sans Condensed', sans-serif;
    font-size: 6em;
    font-weight: 900;
    color: rgba(1, 63, 84, 0.055);
    line-height: 0.85;
    margin: 0 0 -0.25em;
    display: block;
    letter-spacing: -0.02em;
    user-select: none;
}

.burns-section h2 {
    font-family: 'Lora', Georgia, serif;
    font-size: 1.55em;
    font-weight: 600;
    color: var(--b-teal);
    margin: 0 0 0.7em;
    line-height: 1.3;
}

.burns-section h3 {
    font-family: 'Barlow Condensed', 'Open Sans Condensed', sans-serif;
    font-size: 0.95em;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--b-muted);
    margin: 2.2em 0 0.8em;
    padding-bottom: 0.5em;
    border-bottom: 1px solid var(--b-border);
}

.burns-section p {
    font-family: 'Lora', Georgia, serif;
    font-size: 0.96em;
    line-height: 1.88;
    color: var(--b-text);
    margin: 0 0 1.3em;
}

.burns-section p:last-child { margin-bottom: 0; }

.burns-section p sup a,
.burns-section a { color: var(--b-accent); }

/* ── Callout ───────────────────────────────────────────────────── */

.burns-callout {
    border-left: 3px solid var(--b-amber);
    background: rgba(246, 147, 24, 0.05);
    border-radius: 0 8px 8px 0;
    padding: 1.1em 1.6em;
    margin: 2em 0;
    font-family: 'Lora', Georgia, serif;
    font-size: 1em;
    font-style: italic;
    line-height: 1.75;
    color: var(--b-teal);
}

/* ── Figures ───────────────────────────────────────────────────── */

.burns-figure {
    margin: 2.2em 0;
    background: #ffffff;
    border: 1px solid var(--b-border);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 18px rgba(0,0,0,0.06);
}

.burns-figure img {
    width: 100%;
    height: auto;
    display: block;
}

.burns-figure figcaption {
    padding: 0.85em 1.2em;
    background: #ffffff;
    border-top: 1px solid var(--b-border);
    font-family: 'Open Sans', sans-serif;
    font-size: 0.78em;
    color: var(--b-muted);
    line-height: 1.55;
}

.burns-figure figcaption strong { color: var(--b-teal); }
.burns-figure figcaption a { color: var(--b-accent); }

/* two-column figure + caption row */

.burns-fig-row {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 1.8em;
    align-items: start;
    margin: 2.2em 0;
}

.burns-fig-row.reversed { grid-template-columns: 2fr 3fr; }
.burns-fig-row.reversed .burns-figure { order: 2; }
.burns-fig-row.reversed .burns-fig-note { order: 1; }

.burns-fig-note {
    padding-top: 0.3em;
}

.burns-fig-note p {
    font-family: 'Open Sans', sans-serif;
    font-size: 0.87em;
    line-height: 1.7;
    color: var(--b-text);
    margin: 0 0 0.9em;
}

.burns-fig-note b { color: var(--b-teal); }

/* ── Phase timeline ────────────────────────────────────────────── */

.burns-timeline {
    position: relative;
    padding: 1em 0 1em 0;
    margin: 2em 0;
}

.burns-timeline::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--b-accent) 0%, var(--b-amber) 100%);
    border-radius: 2px;
}

.burns-phase {
    display: flex;
    gap: 1.4em;
    margin-bottom: 1.5em;
    position: relative;
    align-items: flex-start;
    opacity: 0;
    transform: translateX(-16px);
    animation: phaseIn 0.45s ease forwards;
}

.burns-phase:nth-child(1) { animation-delay: 0.08s; }
.burns-phase:nth-child(2) { animation-delay: 0.18s; }
.burns-phase:nth-child(3) { animation-delay: 0.28s; }
.burns-phase:nth-child(4) { animation-delay: 0.38s; }
.burns-phase:nth-child(5) { animation-delay: 0.48s; }

@keyframes phaseIn {
    to { opacity: 1; transform: translateX(0); }
}

.burns-phase-dot {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--b-navy);
    border: 2px solid var(--b-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 700;
    font-size: 0.9em;
    color: var(--b-accent);
}

.burns-phase:last-child .burns-phase-dot {
    border-color: var(--b-amber);
    color: var(--b-amber);
}

.burns-phase-body {
    background: #ffffff;
    border: 1px solid var(--b-border);
    border-radius: 8px;
    padding: 1em 1.3em;
    flex: 1;
    box-shadow: 0 1px 6px rgba(0,0,0,0.04);
    transition: box-shadow 0.2s, transform 0.2s;
}

.burns-phase-body:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    transform: translateX(4px);
}

.burns-phase-title {
    font-family: 'Barlow Condensed', 'Open Sans Condensed', sans-serif;
    font-size: 0.95em;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--b-teal);
    display: block;
    margin-bottom: 0.3em;
}

.burns-phase-desc {
    font-family: 'Open Sans', sans-serif;
    font-size: 0.85em;
    color: var(--b-muted);
    line-height: 1.55;
    margin: 0;
}

.burns-phase-desc a { color: var(--b-accent); }

/* ── Project cards ─────────────────────────────────────────────── */

.burns-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.4em;
    margin: 2.2em 0 0;
}

.burns-card {
    background: #ffffff;
    border: 1px solid var(--b-border);
    border-radius: 10px;
    overflow: hidden;
    text-decoration: none;
    display: block;
    transition: transform 0.22s, box-shadow 0.22s;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}

.burns-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 32px rgba(0,0,0,0.12);
}

.burns-card-img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    display: block;
    background: var(--b-navy);
}

.burns-card-body {
    padding: 1.2em 1.4em;
}

.burns-card-tag {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 0.68em;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--b-accent);
    display: block;
    margin-bottom: 0.4em;
}

.burns-card h4 {
    font-family: 'Lora', serif;
    font-size: 0.97em;
    font-weight: 600;
    color: var(--b-teal);
    margin: 0 0 0.55em;
    line-height: 1.35;
}

.burns-card p {
    font-family: 'Open Sans', sans-serif;
    font-size: 0.82em;
    color: var(--b-muted);
    line-height: 1.6;
    margin: 0;
}

.burns-card-arrow {
    display: inline-block;
    margin-top: 0.8em;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 0.78em;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--b-accent);
}

/* ── Scenario cards ────────────────────────────────────────────── */

.burns-scenarios {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2em;
    margin: 1.8em 0;
}

.burns-scenario {
    background: #ffffff;
    border: 1px solid var(--b-border);
    border-top: 3px solid var(--b-accent);
    border-radius: 0 0 8px 8px;
    padding: 1.2em 1.3em;
    box-shadow: 0 1px 6px rgba(0,0,0,0.04);
}

.burns-scenario:nth-child(2) { border-top-color: var(--b-amber); }

.burns-scenario-tag {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 0.68em;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--b-accent);
    display: block;
    margin-bottom: 0.5em;
}

.burns-scenario:nth-child(2) .burns-scenario-tag { color: var(--b-amber); }

.burns-scenario h4 {
    font-family: 'Lora', serif;
    font-size: 0.93em;
    font-weight: 600;
    color: var(--b-teal);
    margin: 0 0 0.5em;
    line-height: 1.35;
}

.burns-scenario p {
    font-family: 'Open Sans', sans-serif;
    font-size: 0.83em;
    color: var(--b-muted);
    line-height: 1.62;
    margin: 0;
}

/* ── Video layout ──────────────────────────────────────────────── */

.burns-video-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2em;
    align-items: start;
    margin: 2em 0;
}

.burns-video-wrap {
    border-radius: 10px;
    overflow: hidden;
    background: #000;
    aspect-ratio: 1 / 1;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.burns-video-wrap iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* ── Assumptions list ──────────────────────────────────────────── */

.burns-list {
    list-style: none;
    padding: 0;
    margin: 1em 0 0;
}

.burns-list li {
    font-family: 'Open Sans', sans-serif;
    font-size: 0.9em;
    line-height: 1.7;
    color: var(--b-text);
    padding: 0.75em 0 0.75em 2em;
    border-bottom: 1px solid var(--b-border);
    position: relative;
}

.burns-list li:last-child { border-bottom: none; }

.burns-list li::before {
    content: '→';
    position: absolute;
    left: 0.3em;
    color: var(--b-accent);
    font-weight: 700;
}

.burns-list li a { color: var(--b-accent); }

/* ── Highlight chip ────────────────────────────────────────────── */

.burns-chip {
    display: inline-block;
    background: rgba(5,149,152,0.1);
    color: var(--b-teal);
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 0.78em;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.3em 0.9em;
    border-radius: 4px;
    border: 1px solid rgba(5,149,152,0.25);
    margin: 0 0.3em 0.4em 0;
}

/* ── Back-to-top ───────────────────────────────────────────────── */

.burns-top {
    text-align: center;
    padding: 2.5em 2em 3em;
}

.burns-top a {
    font-family: 'Barlow Condensed', 'Open Sans Condensed', sans-serif;
    font-size: 0.8em;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--b-accent);
    text-decoration: none;
    border: 1.5px solid var(--b-accent);
    padding: 0.7em 2em;
    border-radius: 4px;
    transition: background 0.18s, color 0.18s;
}

.burns-top a:hover {
    background: var(--b-accent);
    color: #ffffff;
}

/* ── Responsive ────────────────────────────────────────────────── */

@media (max-width: 720px) {
    .burns-fig-row,
    .burns-fig-row.reversed,
    .burns-cards,
    .burns-scenarios,
    .burns-video-row {
        grid-template-columns: 1fr;
    }

    .burns-fig-row.reversed .burns-figure { order: unset; }
    .burns-fig-row.reversed .burns-fig-note { order: unset; }

    .burns-hero { padding: 3.5em 1.5em 3.5em; }
    .burns-section { padding: 2.5em 1.5em; }
    .burns-subnav { padding: 0 1em; }
    .burns-section-num { font-size: 4em; }
}