/* ─────────────────────────────────────────────────
   Project case study — Apple-grade product page
   Each project sets its own palette via --proj-* tokens
   on the <body data-project="..."> element.
   ───────────────────────────────────────────────── */

[data-project] {
  --proj-accent: var(--accent);
  --proj-accent-2: var(--accent-2);
  --proj-glow: color-mix(in srgb, var(--proj-accent) 35%, transparent);
  --proj-soft: color-mix(in srgb, var(--proj-accent) 14%, transparent);
}

[data-project="airmesh"]   { --proj-accent: #ff6b6b; --proj-accent-2: #6e6cff; }
[data-project="flint"]     { --proj-accent: #ff9f0a; --proj-accent-2: #ff5e3a; }
[data-project="unopomo"]   { --proj-accent: #66d4cf; --proj-accent-2: #6e6cff; }
[data-project="tinyfiles"] { --proj-accent: #6e8cff; --proj-accent-2: #b15bff; }
[data-project="grove"]     { --proj-accent: #5f8d63; --proj-accent-2: #8bb46a; }
[data-project="samara"]    { --proj-accent: #c77d3c; --proj-accent-2: #b0566f; }
[data-project="sutra"]     { --proj-accent: #3d7df6; --proj-accent-2: #34d6f0; }
[data-project="openscan"]  { --proj-accent: #38bdf8; --proj-accent-2: #6366f1; }

/* ── Project nav brand ─────────────────────────── */
.proj-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  color: var(--ink-0);
}

.proj-brand__mark {
  width: 24px;
  height: 24px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--proj-accent), var(--proj-accent-2));
  display: grid;
  place-items: center;
  color: #fff;
  box-shadow: 0 6px 20px var(--proj-glow);
}

.proj-brand__mark svg { width: 13px; height: 13px; }

.proj-brand__mark--img {
  background: none;
  padding: 0;
  overflow: hidden;
}
.proj-brand__mark--img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── Project hero ──────────────────────────────── */
.proj-hero {
  position: relative;
  min-height: 92svh;
  padding: calc(var(--nav-total) + 4rem) 0 3rem;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.proj-hero__bg {
  position: absolute;
  inset: -10%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(45% 40% at 20% 20%, var(--proj-glow) 0%, transparent 60%),
    radial-gradient(40% 50% at 90% 80%, color-mix(in srgb, var(--proj-accent-2) 30%, transparent) 0%, transparent 65%);
  filter: blur(20px);
}

.proj-hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  width: 100%;
}

.proj-hero__copy {
  max-width: 36rem;
}

.proj-hero__pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.95rem;
  border-radius: var(--r-pill);
  background: var(--surface-elev);
  border: 1px solid var(--hairline);
  font-size: 0.78rem;
  color: var(--ink-1);
  margin-bottom: 1.75rem;
  letter-spacing: -0.005em;
}

.proj-hero__pill .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--proj-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--proj-accent) 22%, transparent);
}

.proj-hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 600;
  letter-spacing: var(--tracking-tightest);
  line-height: 0.95;
  margin-bottom: 1.5rem;
}

.proj-hero__title .grad {
  background: linear-gradient(135deg, var(--proj-accent), var(--proj-accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.proj-hero__lead {
  font-size: var(--fs-lead);
  color: var(--ink-1);
  line-height: 1.5;
  margin-bottom: 2.5rem;
  max-width: 38ch;
}

.proj-hero__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Project-themed primary button */
.btn--proj {
  background: linear-gradient(135deg, var(--proj-accent), var(--proj-accent-2));
  color: #fff;
  box-shadow: 0 12px 36px var(--proj-glow);
}
.btn--proj:hover { filter: brightness(1.08); transform: translateY(-1px); }

/* Non-interactive "launching soon" state */
.btn--soon {
  cursor: default;
  background: var(--surface-elev);
  color: var(--ink-2);
  border: 1px solid var(--hairline-strong);
  box-shadow: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn--soon::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--proj-accent, var(--accent));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--proj-accent, var(--accent)) 24%, transparent);
}
.btn--soon:hover { filter: none; transform: none; }

/* ── Hero device mock ──────────────────────────── */
.proj-hero__visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 460px;
}

.device {
  position: relative;
  width: clamp(240px, 28vw, 340px);
  aspect-ratio: 9 / 19.5;
  border-radius: 44px;
  background: linear-gradient(180deg, #1a1a1f, #08080b);
  padding: 8px;
  box-shadow:
    0 60px 120px rgba(0,0,0,0.55),
    0 30px 60px rgba(0,0,0,0.3),
    0 0 0 1px rgba(255,255,255,0.04),
    inset 0 0 0 1px rgba(255,255,255,0.04);
  transform: rotate(-4deg);
  transition: transform 1.4s var(--ease);
}

.proj-hero__visual:hover .device { transform: rotate(-2deg) translateY(-6px); }

.device::before {
  /* Notch */
  content: '';
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 22px;
  border-radius: 999px;
  background: #000;
  z-index: 2;
}

.device__screen {
  width: 100%;
  height: 100%;
  border-radius: 36px;
  overflow: hidden;
  position: relative;
  background:
    radial-gradient(80% 60% at 30% 10%, color-mix(in srgb, var(--proj-accent) 30%, transparent), transparent 70%),
    radial-gradient(80% 60% at 80% 90%, color-mix(in srgb, var(--proj-accent-2) 30%, transparent), transparent 70%),
    linear-gradient(180deg, #15151b, #0a0a0e);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 2rem;
  color: #fff;
}

.device__brand {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 600;
  letter-spacing: var(--tracking-tightest);
  background: linear-gradient(135deg, var(--proj-accent), var(--proj-accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.75rem;
  line-height: 1;
}

.device__cap {
  font-size: 0.78rem;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-2);
}

@media (max-width: 880px) {
  .proj-hero__grid { grid-template-columns: 1fr; }
  .proj-hero__visual { min-height: 360px; }
  .device { transform: rotate(-2deg); }
}

/* ── Section heading style for project pages ──── */
.proj-section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.proj-section__head {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  max-width: 720px;
}

.proj-section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--proj-accent);
  margin-bottom: 1rem;
}

.proj-section__eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.proj-section__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  letter-spacing: var(--tracking-tighter);
  line-height: 1.05;
}

.proj-section__lead {
  margin-top: 1rem;
  font-size: var(--fs-lead);
  color: var(--ink-2);
  max-width: 56ch;
  line-height: 1.5;
}

/* ── Feature grid (3-col, themed cards) ───────── */
.proj-features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.4rem);
}

.proj-feat {
  position: relative;
  padding: 1.85rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline);
  background: linear-gradient(180deg, var(--surface-2), var(--surface-1));
  transition: border-color var(--t-2) var(--ease),
              transform var(--t-2) var(--ease),
              background var(--t-2) var(--ease);
  overflow: hidden;
}

.proj-feat:hover {
  border-color: color-mix(in srgb, var(--proj-accent) 40%, var(--hairline-strong));
  transform: translateY(-2px);
}

.proj-feat__icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--proj-accent), var(--proj-accent-2));
  color: #fff;
  box-shadow: 0 8px 22px var(--proj-glow);
}
.proj-feat__icon svg { width: 19px; height: 19px; }

.proj-feat h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.012em;
  margin-bottom: 0.5rem;
}

.proj-feat p {
  font-size: 0.93rem;
  color: var(--ink-2);
  line-height: 1.55;
}

.proj-feat__sub {
  display: inline-block;
  margin-left: 0.5rem;
  font-family: var(--font-text);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--proj-accent);
  vertical-align: middle;
}

@media (max-width: 760px) {
  .proj-features { grid-template-columns: 1fr; }
}

/* ── Steps (numbered) ──────────────────────────── */
.proj-steps {
  display: grid;
  gap: 0;
  max-width: 720px;
}

.proj-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--hairline);
  align-items: start;
}

.proj-step:first-child { border-top: 1px solid var(--hairline); }

.proj-step__num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: var(--tracking-tighter);
  background: linear-gradient(135deg, var(--proj-accent), var(--proj-accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.proj-step h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.012em;
  margin-bottom: 0.4rem;
}

.proj-step p {
  font-size: 0.95rem;
  color: var(--ink-2);
  line-height: 1.55;
}

/* ── Tech stack tags ───────────────────────────── */
.proj-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.proj-stack span {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: var(--r-pill);
  background: var(--surface-elev);
  border: 1px solid var(--hairline);
  font-size: 0.86rem;
  color: var(--ink-1);
}

/* ── Final CTA block ───────────────────────────── */
.proj-cta {
  position: relative;
  text-align: center;
  padding: clamp(5rem, 10vw, 8rem) 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background:
    radial-gradient(60% 40% at 50% 0%, var(--proj-glow), transparent 70%),
    var(--surface-1);
  overflow: hidden;
}

.proj-cta__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 600;
  letter-spacing: var(--tracking-tightest);
  line-height: 1.04;
  margin-bottom: 1rem;
  max-width: 18ch;
  margin-inline: auto;
}

.proj-cta__title .grad {
  background: linear-gradient(135deg, var(--proj-accent), var(--proj-accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.proj-cta__sub {
  color: var(--ink-2);
  font-size: var(--fs-lead);
  margin-bottom: 2.5rem;
  max-width: 50ch;
  margin-inline: auto;
}

.proj-cta__note {
  margin-top: 2rem;
  font-size: 0.82rem;
  color: var(--ink-3);
  letter-spacing: 0.01em;
}

/* ── Project nav variants ──────────────────────── */
.nav__proj-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.84rem;
  color: var(--ink-2);
  padding: 0.5rem 0.85rem;
  border-radius: var(--r-pill);
  transition: color var(--t-1) var(--ease), background var(--t-1) var(--ease);
}
.nav__proj-back:hover { color: var(--ink-0); background: var(--surface-elev); }
.nav__proj-back svg { width: 14px; height: 14px; }