/* Case study pages — supplement to portfolio-site.css.
   Canonical tokens: teal section-kickers, gold primary buttons (site standard). */

h1 {
margin: 14px 0 0;
max-width: 940px;
color: #ffffff;
font-family: var(--font-display);
font-size: clamp(2.15rem, 5.2vw, 3.55rem);
font-weight: 300;
line-height: 1.08;
letter-spacing: -0.05em;
text-wrap: balance;
}

h2 {
margin: 0 0 18px;
font-family: var(--font-display);
font-size: clamp(1.72rem, 3.9vw, 2.55rem);
font-weight: 500;
line-height: 1.15;
letter-spacing: -0.04em;
text-wrap: balance;
}

.page-shell {
width: min(1180px, calc(100% - 40px));
margin: 0 auto;
}

.deck-hero {
position: relative;
min-height: clamp(380px, 46vh, 520px);
display: grid;
align-items: end;
overflow: hidden;
background:
radial-gradient(circle at top left, #1a1a1a 0%, rgba(26, 26, 26, 0) 58%),
radial-gradient(circle at top right, #000061 0%, rgba(0, 0, 97, 0) 58%),
radial-gradient(circle at bottom left, #003b8f 0%, rgba(0, 59, 143, 0) 62%),
radial-gradient(circle at bottom right, #000026 0%, rgba(0, 0, 38, 0) 62%),
linear-gradient(135deg, #1a1a1a 0%, #000026 100%);
color: #ffffff;
border-bottom: 1px solid var(--line);
}

.deck-hero::before {
content: "";
position: absolute;
inset: 0;
z-index: 0;
background:
radial-gradient(circle at top left, #1a1a1a 0%, rgba(26, 26, 26, 0) 58%),
radial-gradient(circle at top right, #000061 0%, rgba(0, 0, 97, 0) 58%),
radial-gradient(circle at bottom left, #003b8f 0%, rgba(0, 59, 143, 0) 62%),
radial-gradient(circle at bottom right, #000026 0%, rgba(0, 0, 38, 0) 62%),
linear-gradient(135deg, #1a1a1a 0%, #000026 100%);
transform: translate3d(0, var(--hero-shift, 0px), 0) scale(1.12);
transform-origin: left bottom;
will-change: transform;
}

.deck-hero::after {
content: "";
position: absolute;
inset: 0;
z-index: 0;
background: linear-gradient(90deg, rgba(8, 20, 36, 0.62) 0%, rgba(8, 20, 36, 0.32) 46%, rgba(8, 20, 36, 0.08) 76%), linear-gradient(180deg, rgba(6, 14, 25, 0.10) 0%, rgba(6, 14, 25, 0.28) 100%);
}

.portfolio-hero-filament-bg {
position: absolute;
inset: -9% -4% -13%;
z-index: 0;
overflow: hidden;
opacity: 1;
transform: translate3d(0, var(--hero-shift, 0px), 0) scale(1.08);
transform-origin: center bottom;
will-change: transform;
}

.portfolio-hero-filament-bg canvas,
.signal-field-canvas {
display: block;
width: 100%;
height: 100%;
}

.deck-hero::after {
z-index: 1;
pointer-events: none;
}

.deck-hero .page-shell {
position: relative;
z-index: 2;
padding: 70px 0 46px;
}

@media (prefers-reduced-motion: reduce), (max-width: 980px) {
.deck-hero::before,
.portfolio-hero-filament-bg {
transform: none;
}
}

.deck-hero .kicker {
margin: 0;
color: rgba(255, 255, 255, 0.82);
font-family: var(--font-mono);
font-size: 0.8rem;
font-weight: 400;
letter-spacing: 0.1em;
text-transform: uppercase;
letter-spacing: 0.1em;
}

.deck-hero .lead {
margin-top: 22px;
max-width: 68ch;
color: rgba(255, 255, 255, 0.84);
font-size: clamp(1.08rem, 1.75vw, 1.28rem);
line-height: 1.58;
text-wrap: pretty;
}

.deck-hero .actions {
margin-top: 28px;
}

.chip-row {
display: flex;
flex-wrap: wrap;
gap: 10px;
margin-top: 24px;
}

.chip {
display: inline-flex;
align-items: center;
min-height: 28px;
padding: 5px 10px;
border: 1px solid rgba(255, 255, 255, 0.26);
border-radius: 999px;
background: rgba(255, 255, 255, 0.10);
color: #ffffff;
font-family: var(--font-ui);
font-size: 0.8rem;
font-weight: 500;
}

.kpi-band {
background: #ffffff;
border-bottom: 1px solid var(--line);
padding: 34px 0;
}

.kpi-grid {
display: grid;
grid-template-columns: repeat(4, minmax(0, 1fr));
gap: 18px;
}

.kpi {
min-width: 0;
display: flex;
flex-direction: column;
gap: 10px;
padding: 24px;
border: 1px solid var(--line);
border-radius: var(--radius);
background: linear-gradient(180deg, #ffffff 0%, var(--blue-25) 100%);
box-shadow: 0 1px 0 rgba(18, 24, 38, 0.04);
transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.kpi:hover {
transform: translateY(-3px);
box-shadow: 0 14px 30px rgba(18, 24, 38, 0.12);
border-color: var(--blue-150);
}

.kpi .num {
display: block;
color: var(--blue-700);
font-family: var(--font-display);
font-size: clamp(1.7rem, 2.6vw, 2.3rem);
font-weight: 300;
line-height: 1.1;
letter-spacing: -0.025em;
}

.kpi .lbl {
display: block;
color: var(--muted);
font-family: var(--font-text);
font-size: 0.95rem;
font-weight: 600;
line-height: 1.5;
text-wrap: pretty;
text-transform: none;
}

/* Color variety to match the case study dashboard tiles */
.kpi:nth-child(4n+1) .num { color: var(--blue-700); }
.kpi:nth-child(4n+2) .num { color: #226476; }
.kpi:nth-child(4n+3) .num { color: #8a6526; }
.kpi:nth-child(4n+4) .num { color: #122137; }

.sec-kicker {
margin: 0 0 12px;
color: var(--accent);
font-family: var(--font-mono);
font-size: 0.8rem;
font-weight: 400;
letter-spacing: 0.1em;
text-transform: uppercase;
letter-spacing: 0.1em;
}

.body-copy {
max-width: 68ch;
color: var(--muted);
font-size: 1.05rem;
line-height: 1.5;
text-wrap: pretty;
}

.opt-grid {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 16px;
margin-top: 26px;
}

.opt {
min-width: 0;
padding: 20px;
border: 1px solid var(--line);
border-radius: var(--radius);
background: linear-gradient(180deg, #ffffff 0%, var(--blue-25) 100%);
box-shadow: 0 1px 0 rgba(18, 24, 38, 0.04);
}

.opt h3 {
margin: 0 0 8px;
font-size: 1.08rem;
font-weight: 500;
line-height: 1.2;
text-wrap: balance;
}

.opt p {
color: var(--muted);
font-size: 0.94rem;
line-height: 1.58;
text-wrap: pretty;
}

.opt.chosen {
border: 2px solid var(--accent);
}

.opt .opt-tag {
display: inline-flex;
margin-bottom: 10px;
padding: 4px 8px;
border-radius: 999px;
font-family: var(--font-ui);
font-size: 0.72rem;
font-weight: 500;
letter-spacing: 0.05em;
text-transform: uppercase;
color: var(--quiet);
background: var(--blue-50);
}

.opt.chosen .opt-tag {
color: #225c6c;
background: var(--accent-soft);
}

.move-list {
counter-reset: mv;
margin: 26px 0 0;
padding: 0;
list-style: none;
max-width: 900px;
}

.move-list li {
position: relative;
margin-bottom: 12px;
padding: 16px 18px 16px 52px;
border: 1px solid var(--line);
border-radius: var(--radius);
background: linear-gradient(180deg, #ffffff 0%, var(--blue-25) 100%);
box-shadow: 0 1px 0 rgba(18, 24, 38, 0.04);
color: var(--muted);
line-height: 1.58;
text-wrap: pretty;
}

.move-list li::before {
content: counter(mv, decimal-leading-zero);
counter-increment: mv;
position: absolute;
left: 16px;
top: 16px;
color: var(--gold);
font-weight: 500;
font-size: 0.85rem;
}

.deck-nav {
display: flex;
flex-wrap: wrap;
gap: 10px;
margin-top: 10px;
}

.support-links {
display: flex;
flex-direction: column;
gap: 8px;
margin-top: 18px;
}

@media (max-width: 900px) {
.portfolio-hero-filament-bg {
inset: -5% -18% -10%;
opacity: 0.82;
transform: translate3d(0, 0, 0) scale(1.02);
}

.deck-hero .page-shell {
padding-top: calc(var(--nav-overlay-height, 156px) + 18px);
}

.kpi-grid {
grid-template-columns: repeat(2, minmax(0, 1fr));
}

.opt-grid {
grid-template-columns: 1fr;
}
}

@media (max-width: 640px) {
.page-shell {
width: min(100% - 28px, 1180px);
}

.portfolio-hero-filament-bg {
inset: -3% -52% -8% -22%;
opacity: 0.72;
}

.kpi-grid {
grid-template-columns: 1fr;
}
}