/* ============================================
   GRANT THOMAS PORTFOLIO — REDESIGN 2025
   Direction: Bold typographic / brutalist-leaning
   Dark base · stark contrast · editorial rhythm
   ============================================ */

:root {
    --black:   #0a0a0a;
    --off-black: #111111;
    --dark:    #1a1a1a;
    --mid:     #2a2a2a;
    --border:  #2e2e2e;
    --muted:   #666666;
    --dim:     #999999;
    --white:   #f5f2ee;
    --accent:  #e8d5b0;   /* warm parchment gold */
    --red:     #c94a2a;   /* survivor */
    --blue:    #2a6db5;   /* skills */
    --green:   #2a7a4f;   /* design system */

    --font-display: 'Bebas Neue', sans-serif;
    --font-body:    'DM Sans', sans-serif;
    --font-mono:    'DM Mono', monospace;

    --max-w: 1200px;
    --gutter: clamp(20px, 4vw, 60px);
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--black);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

.skip-link {
    position: absolute; top: -40px; left: 8px;
    background: var(--accent); color: var(--black);
    padding: 8px 16px; border-radius: 4px;
    font-weight: 500; z-index: 1000;
    transition: top 0.2s;
}
.skip-link:focus { top: 8px; }

/* ============ NAV ============ */
nav {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
    background: rgba(10,10,10,0.92);
    backdrop-filter: blur(12px);
}
.nav-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--gutter);
    height: 56px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-logo {
    font-family: var(--font-display);
    font-size: 1.4rem;
    letter-spacing: 0.05em;
    color: var(--accent);
}
.nav-right {
    display: flex;
    gap: 2rem;
}
.nav-right a {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--dim);
    transition: color 0.2s;
}
.nav-right a:hover { color: var(--white); }

/* ============ HERO ============ */
header {
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 120px var(--gutter) 0;
    max-width: var(--max-w);
    margin: 0 auto;
    position: relative;
}

.hero-inner {
    padding-bottom: 60px;
}

.hero-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.2s forwards;
}

.hero-headline {
    font-family: var(--font-display);
    font-size: clamp(5rem, 14vw, 14rem);
    line-height: 0.9;
    letter-spacing: -0.01em;
    color: var(--white);
    display: flex;
    flex-direction: column;
    margin-bottom: 2.5rem;
}

.hero-headline .line {
    display: block;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
}
.hero-headline .line:nth-child(1) { animation-delay: 0.35s; }
.hero-headline .line:nth-child(2) { animation-delay: 0.5s; }

.hero-headline .indent {
    padding-left: clamp(2rem, 8vw, 10rem);
    color: var(--accent);
}

.hero-descriptor {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: var(--dim);
    font-weight: 300;
    line-height: 1.5;
    max-width: 400px;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.65s forwards;
}

.hero-cta {
    display: inline-block;
    margin-top: 2.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--white);
    border: 1px solid var(--border);
    padding: 12px 24px;
    transition: all 0.25s;
    opacity: 0;
    animation: fadeUp 0.8s ease 0.8s forwards;
}
.hero-cta:hover {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
}

.hero-meta {
    border-top: 1px solid var(--border);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    opacity: 0;
    animation: fadeUp 0.8s ease 1s forwards;
}
.meta-item {
    padding: 28px 0;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    border-right: 1px solid var(--border);
}
.meta-item:last-child { border-right: none; }
.meta-item:not(:first-child) { padding-left: 2rem; }

.meta-num {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--accent);
    line-height: 1;
    letter-spacing: 0.02em;
}
.meta-label {
    font-size: 0.75rem;
    color: var(--muted);
    line-height: 1.4;
    letter-spacing: 0.04em;
}

/* ============ SECTION HEADERS ============ */
section {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 100px var(--gutter);
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 60px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 20px;
}
.section-num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted);
    letter-spacing: 0.1em;
}
.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: 0.02em;
    line-height: 1;
    color: var(--white);
}

/* ============ CASE CARDS ============ */
.case-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
}

.case-card {
    position: relative;
    display: block;
    overflow: hidden;
    min-height: 460px;
    cursor: pointer;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.case-card.visible {
    opacity: 1;
    transform: translateY(0);
}
.case-card--wide {
    grid-column: 1 / -1;
    min-height: 360px;
}

.card-bg {
    position: absolute;
    inset: 0;
    transition: transform 0.6s ease, opacity 0.4s ease;
}
.card-bg--survivor  { background: #1a0a0a; }
.card-bg--skills    { background: #080f1a; }
.card-bg--ds        { background: #080f0b; }

.case-card:hover .card-bg {
    transform: scale(1.03);
    opacity: 0.85;
}

/* Accent stripe */
.case-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    z-index: 2;
    transition: height 0.3s ease;
}
.case-card[data-index="01"]::before { background: var(--red); }
.case-card[data-index="02"]::before { background: var(--blue); }
.case-card[data-index="03"]::before { background: var(--green); }
.case-card:hover::before { height: 5px; }

/* Index number */
.case-card::after {
    content: attr(data-index);
    position: absolute;
    top: 28px; right: 28px;
    font-family: var(--font-display);
    font-size: 5rem;
    line-height: 1;
    color: rgba(255,255,255,0.04);
    z-index: 1;
    transition: color 0.3s ease;
}
.case-card:hover::after {
    color: rgba(255,255,255,0.07);
}

.card-content {
    position: relative;
    z-index: 3;
    height: 100%;
    padding: 36px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid var(--border);
    transition: border-color 0.3s ease;
}
.case-card:hover .card-content { border-color: var(--mid); }

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.card-tags span {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 4px 10px;
    border: 1px solid var(--border);
    color: var(--muted);
    transition: color 0.2s, border-color 0.2s;
}
.case-card:hover .card-tags span {
    color: var(--dim);
    border-color: var(--mid);
}

.card-body {
    padding: 20px 0;
}
.card-body h3 {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    line-height: 0.95;
    letter-spacing: 0.02em;
    color: var(--white);
    margin-bottom: 1rem;
}
.case-card--wide .card-body h3 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}
.card-body p {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.6;
    max-width: 420px;
    transition: color 0.2s;
}
.case-card:hover .card-body p { color: var(--dim); }

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-top: 1px solid var(--border);
    padding-top: 18px;
}
.card-result {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--muted);
    letter-spacing: 0.06em;
    flex: 1;
    padding-right: 1rem;
}
.card-arrow {
    font-size: 1.5rem;
    color: var(--muted);
    transition: transform 0.3s ease, color 0.2s;
    line-height: 1;
}
.case-card:hover .card-arrow {
    transform: translateX(6px);
    color: var(--white);
}

/* ============ APPROACH ============ */
#approach {
    border-top: 1px solid var(--border);
}
.approach-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}
.approach-item {
    padding: 40px 32px 40px 0;
    border-right: 1px solid var(--border);
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.approach-item:last-child { border-right: none; padding-right: 0; }
.approach-item:not(:first-child) { padding-left: 32px; }
.approach-item.visible { opacity: 1; transform: translateY(0); }

.approach-icon {
    display: block;
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 1rem;
}
.approach-item h4 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    letter-spacing: 0.04em;
    color: var(--white);
    margin-bottom: 0.75rem;
    line-height: 1.1;
}
.approach-item p {
    font-size: 0.85rem;
    color: var(--muted);
    line-height: 1.65;
}

/* ============ ABOUT ============ */
#about {
    border-top: 1px solid var(--border);
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 80px;
}
.about-lead {
    font-size: clamp(1.1rem, 1.8vw, 1.35rem);
    color: var(--white);
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 2rem;
}
.about-main p {
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 1.2rem;
    line-height: 1.75;
}
.about-side {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
.credentials {
    padding-left: 1.5rem;
    border-left: 2px solid var(--border);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}
.credentials.visible { opacity: 1; transform: translateY(0); }
.credentials h4 {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.5rem;
}
.credentials p {
    font-size: 0.85rem;
    color: var(--dim);
    line-height: 1.6;
}
.muted { color: var(--muted); }

/* ============ FOOTER ============ */
footer {
    border-top: 1px solid var(--border);
    margin-top: 0;
}
.footer-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 80px var(--gutter) 60px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    align-end: flex-end;
}
.footer-cta h2 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 6rem);
    line-height: 0.9;
    color: var(--white);
    margin-bottom: 1.5rem;
    letter-spacing: 0.02em;
}
.footer-cta p {
    font-size: 0.9rem;
    color: var(--muted);
    max-width: 360px;
    line-height: 1.65;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: flex-end;
    padding-bottom: 4px;
}
.footer-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--dim);
    transition: color 0.2s;
    text-align: right;
}
.footer-link:hover { color: var(--white); }

.footer-bar {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 20px var(--gutter);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    color: var(--muted);
    text-transform: uppercase;
}

/* ============ ANIMATIONS ============ */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============ FOCUS ============ */
a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
    .case-grid {
        grid-template-columns: 1fr;
    }
    .case-card--wide {
        grid-column: 1;
    }
    .approach-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0;
    }
    .approach-item {
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 32px 0;
    }
    .approach-item:not(:first-child) {
        padding-left: 0;
    }
    .approach-item:nth-child(odd) {
        padding-right: 24px;
        border-right: 1px solid var(--border);
    }
    .approach-item:last-child {
        border-bottom: none;
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 640px) {
    .nav-right a:not(:last-child) { display: none; }

    header { padding-top: 80px; }

    .hero-headline { font-size: clamp(4rem, 18vw, 7rem); }
    .hero-headline .indent { padding-left: clamp(1.5rem, 6vw, 4rem); }

    .hero-meta {
        grid-template-columns: 1fr;
    }
    .meta-item {
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 20px 0;
    }
    .meta-item:not(:first-child) { padding-left: 0; }
    .meta-item:last-child { border-bottom: none; }

    .approach-grid {
        grid-template-columns: 1fr;
    }
    .approach-item:nth-child(odd) {
        padding-right: 0;
        border-right: none;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-links { align-items: flex-start; }
    .footer-link { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   CASE STUDY PAGES
   ============================================ */

/* ── Case study header ── */
.cs-nav {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
    background: rgba(10,10,10,0.92);
    backdrop-filter: blur(12px);
}
.cs-nav .nav-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--gutter);
    height: 56px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.cs-back {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.cs-back:hover { color: var(--white); }
.cs-nav-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}

/* ── Case study hero ── */
.cs-hero {
    padding: 120px var(--gutter) 80px;
    max-width: var(--max-w);
    margin: 0 auto;
    border-bottom: 1px solid var(--border);
}
.cs-hero-top {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 2rem;
}
.cs-index {
    font-family: var(--font-display);
    font-size: 8rem;
    line-height: 1;
    color: rgba(255,255,255,0.05);
    letter-spacing: -0.02em;
}
.cs-category {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 4px 12px;
    border: 1px solid var(--border);
    color: var(--muted);
}
.cs-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 8vw, 8rem);
    line-height: 0.92;
    letter-spacing: 0.01em;
    color: var(--white);
    margin-bottom: 2rem;
}
.cs-hero-meta {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--border);
    margin-top: 3rem;
}
.cs-meta-item {
    padding: 24px 0;
    border-right: 1px solid var(--border);
}
.cs-meta-item:last-child { border-right: none; }
.cs-meta-item:not(:first-child) { padding-left: 2rem; }
.cs-meta-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.4rem;
}
.cs-meta-value {
    font-size: 0.9rem;
    color: var(--dim);
    line-height: 1.4;
}

/* ── Case study accent stripe ── */
.cs-stripe {
    height: 4px;
    width: 100%;
}
.cs-stripe--survivor { background: var(--red); }
.cs-stripe--skills   { background: var(--blue); }
.cs-stripe--ds       { background: var(--green); }

/* ── Case study body layout ── */
.cs-body {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.cs-section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border);
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 60px;
}
.cs-section:last-child { border-bottom: none; }

.cs-section-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    padding-top: 6px;
    position: sticky;
    top: 80px;
    height: fit-content;
}

.cs-section-content h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: 0.02em;
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1;
}
.cs-section-content h3 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    letter-spacing: 0.04em;
    color: var(--white);
    margin: 2.5rem 0 1rem;
    line-height: 1;
}
.cs-section-content h4 {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 2rem 0 0.75rem;
}
.cs-section-content p {
    font-size: 0.95rem;
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 1.2rem;
    max-width: 680px;
}
.cs-section-content ul {
    margin: 0 0 1.5rem 0;
    padding: 0;
    list-style: none;
    max-width: 680px;
}
.cs-section-content ul li {
    font-size: 0.92rem;
    color: var(--muted);
    line-height: 1.7;
    padding: 0.4rem 0 0.4rem 1.2rem;
    border-bottom: 1px solid var(--border);
    position: relative;
}
.cs-section-content ul li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--border);
}
.cs-section-content ul li:last-child { border-bottom: none; }
.cs-section-content strong {
    color: var(--dim);
    font-weight: 500;
}

/* ── Callout / highlight box ── */
.cs-callout {
    border-left: 3px solid var(--accent);
    padding: 1.5rem 2rem;
    margin: 2rem 0;
    background: rgba(232,213,176,0.04);
    max-width: 680px;
}
.cs-callout--survivor { border-color: var(--red); background: rgba(201,74,42,0.06); }
.cs-callout--skills   { border-color: var(--blue); background: rgba(42,109,181,0.06); }
.cs-callout--ds       { border-color: var(--green); background: rgba(42,122,79,0.06); }
.cs-callout p {
    color: var(--dim) !important;
    font-size: 1rem !important;
    margin: 0 !important;
    line-height: 1.65 !important;
}

/* ── Two-col within content ── */
.cs-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    margin: 2rem 0;
    max-width: 680px;
}
.cs-col {
    padding: 1.5rem;
    border: 1px solid var(--border);
    background: var(--off-black);
}
.cs-col h4 {
    margin-top: 0 !important;
}

/* ── Results stats ── */
.cs-results {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    margin: 2rem 0;
}
.cs-result {
    padding: 2rem 1.5rem;
    border: 1px solid var(--border);
    background: var(--off-black);
    text-align: center;
}
.cs-result-num {
    font-family: var(--font-display);
    font-size: 3rem;
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}
.cs-result-num--survivor { color: var(--red); }
.cs-result-num--skills   { color: var(--blue); }
.cs-result-num--ds       { color: var(--green); }
.cs-result-label {
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--white);
    margin-bottom: 0.3rem;
}
.cs-result-desc {
    font-size: 0.75rem;
    color: var(--muted);
    line-height: 1.5;
}

/* ── Phase cards ── */
.cs-phases {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    margin: 1.5rem 0;
    max-width: 680px;
}
.cs-phase {
    padding: 2rem;
    border: 1px solid var(--border);
    background: var(--off-black);
}
.cs-phase-num {
    font-family: var(--font-display);
    font-size: 3rem;
    line-height: 1;
    color: rgba(255,255,255,0.06);
    margin-bottom: 0.75rem;
}
.cs-phase h4 {
    margin-top: 0 !important;
    margin-bottom: 0.75rem !important;
}
.cs-phase p {
    font-size: 0.85rem !important;
    margin: 0 !important;
}

/* ── Skill tags ── */
.cs-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}
.cs-skill-tag {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 6px 14px;
    border: 1px solid var(--border);
    color: var(--muted);
}

/* ── Case study footer nav ── */
.cs-footer-nav {
    border-top: 1px solid var(--border);
    padding: 60px var(--gutter);
    max-width: var(--max-w);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}
.cs-footer-nav-link {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.cs-footer-nav-link span:first-child {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
}
.cs-footer-nav-link span:last-child {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--white);
    letter-spacing: 0.04em;
    transition: color 0.2s;
}
.cs-footer-nav-link:hover span:last-child { color: var(--accent); }
.cs-footer-nav-link.next { text-align: right; }

/* ── Responsive: case studies ── */
@media (max-width: 768px) {
    .cs-hero h1 { font-size: clamp(3rem, 10vw, 5rem); }
    .cs-hero-meta { grid-template-columns: 1fr 1fr; }
    .cs-meta-item:nth-child(2) { border-right: none; }
    .cs-meta-item:nth-child(3) { border-right: 1px solid var(--border); }
    .cs-section { grid-template-columns: 1fr; gap: 24px; }
    .cs-section-label { position: static; }
    .cs-results { grid-template-columns: 1fr 1fr; }
    .cs-two-col { grid-template-columns: 1fr; }
    .cs-phases { grid-template-columns: 1fr; }
    .cs-footer-nav { flex-direction: column; align-items: flex-start; }
    .cs-footer-nav-link.next { text-align: left; }
}
@media (max-width: 500px) {
    .cs-hero-meta { grid-template-columns: 1fr; }
    .cs-meta-item { border-right: none !important; border-bottom: 1px solid var(--border); }
    .cs-results { grid-template-columns: 1fr 1fr; }
}