/* ════════════════════════════════════════════════════════════════════
   v2 · Dark senior — Bricolage display + lime accent + micro-interactions
   ════════════════════════════════════════════════════════════════════ */

:root {
  --bg:           #0A0A0B;
  --surface:      #131316;
  --surface-hi:   #1B1B20;
  --surface-up:   #25252B;

  --text:         #EDEAE3;
  --text-muted:   #8A8B92;
  --text-subtle:  #5A5A63;

  --accent:       #C8FF4D;
  --accent-soft:  rgba(200, 255, 77, 0.10);
  --accent-line:  rgba(200, 255, 77, 0.32);

  --border:       rgba(237, 234, 227, 0.08);
  --border-hi:    rgba(237, 234, 227, 0.16);
  --border-acc:   rgba(200, 255, 77, 0.18);

  --radius-sm:    6px;
  --radius:       14px;
  --radius-lg:    22px;

  --ease:         cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);

  --font-display: 'Bricolage Grotesque', 'Inter', system-ui, sans-serif;
  --font-italic:  'Fraunces', Georgia, serif;
  --font-body:    'Geist', 'Inter', system-ui, sans-serif;
  --font-mono:    'Geist Mono', 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; background: var(--bg); }

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'ss01', 'cv02', 'cv11';
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }

::selection { background: var(--accent); color: var(--bg); }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-hi); border-radius: 100px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--surface-up); }

/* ── subtle film grain ────────────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.05 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.55;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: overlay;
}

main, section, nav, footer { position: relative; z-index: 3; }

.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 32px; }

/* ─── NAV ─────────────────────────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(10, 10, 11, 0.72);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--border);
  transition: padding 0.3s var(--ease);
}
.nav.is-scrolled { padding: 10px 0; background: rgba(10, 10, 11, 0.92); }

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
  gap: 24px;
}

.nav__logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  display: inline-flex;
  align-items: center;
}

.nav__time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nav__time-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); animation: pulse 2s ease-in-out infinite; }
@media (max-width: 920px) { .nav__time { display: none; } }

.nav__links {
  display: flex;
  align-items: center;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--text);
  padding: 9px 16px;
  border-radius: 100px;
  border: 1px solid var(--border-hi);
  background: var(--surface);
  transition: background 0.2s, border-color 0.2s, transform 0.25s var(--ease);
  position: relative;
  overflow: hidden;
}
.nav__link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.06) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease);
  pointer-events: none;
}
.nav__link:hover::before { transform: translateX(100%); }
.nav__link:hover {
  background: var(--surface-hi);
  border-color: rgba(237, 234, 227, 0.28);
}
.nav__cta {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  font-weight: 600;
}
.nav__cta:hover {
  background: var(--accent);
  border-color: var(--accent);
  opacity: 0.95;
  box-shadow: 0 0 0 5px rgba(200, 255, 77, 0.16);
}

/* ─── HERO ────────────────────────────────────────────────────────────── */

.hero {
  padding: 180px 0 120px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

/* animated grid bg — slow drift */
.hero__grid-bg {
  position: absolute; inset: -20px -20px -20px -20px;
  background-image:
    linear-gradient(to right, var(--border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 70% 60% at 30% 50%, rgba(0,0,0,0.7) 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 30% 50%, rgba(0,0,0,0.7) 0%, transparent 75%);
  pointer-events: none;
  animation: gridDrift 28s linear infinite;
}
@keyframes gridDrift {
  from { background-position: 0 0; }
  to   { background-position: 72px 72px; }
}

/* floating lime glow that drifts across hero */
.hero__glow {
  position: absolute;
  width: 720px; height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,255,77,0.10) 0%, rgba(200,255,77,0.04) 35%, transparent 65%);
  filter: blur(40px);
  pointer-events: none;
  top: 10%; left: 20%;
  animation: glowFloat 22s ease-in-out infinite;
}
@keyframes glowFloat {
  0%   { transform: translate(-30%, -10%) scale(0.9); }
  50%  { transform: translate(35%, 25%)  scale(1.05); }
  100% { transform: translate(-30%, -10%) scale(0.9); }
}

.hero__glow--2 {
  width: 480px; height: 480px;
  top: auto; bottom: -10%; left: auto; right: 5%;
  background: radial-gradient(circle, rgba(200,255,77,0.07) 0%, transparent 60%);
  animation: glowFloat2 26s ease-in-out infinite;
}
@keyframes glowFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(-25%, -10%) scale(1.1); }
}

.hero__byline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: rgba(19, 19, 22, 0.6);
  margin-bottom: 44px;
}
.hero__byline-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(200, 255, 77, 0.5); }
  50%      { box-shadow: 0 0 0 6px rgba(200, 255, 77, 0); }
}

.hero__headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(3.4rem, 9.2vw, 9.6rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
  margin: 0 0 36px;
  max-width: 16ch;
  font-variation-settings: 'opsz' 96, 'wdth' 92;
}
.hero__headline em {
  font-family: var(--font-italic);
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.hero__word-hl {
  position: relative;
  display: inline-block;
  z-index: 1;
}
.hero__word-hl::after {
  content: '';
  position: absolute;
  left: -2px; right: -2px;
  bottom: 0.1em;
  height: 0.18em;
  background: var(--accent);
  opacity: 0.85;
  z-index: -1;
  border-radius: 2px;
  transform: skewX(-4deg);
}

.hero__bio {
  font-size: 17px;
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 52ch;
  margin: 0 0 36px;
}

.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 88px; }

/* ─── BUTTONS ─────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 14px;
  padding: 12px 20px;
  border-radius: 100px;
  border: 1px solid var(--border-hi);
  background: var(--surface);
  color: var(--text);
  transition: background 0.2s, border-color 0.2s, transform 0.25s var(--ease);
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.06) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease);
  pointer-events: none;
}
.btn:hover::before { transform: translateX(100%); }
.btn:hover { background: var(--surface-hi); border-color: rgba(237, 234, 227, 0.28); }
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  font-weight: 600;
}
.btn--primary:hover {
  background: var(--accent);
  opacity: 0.95;
  box-shadow: 0 0 0 6px rgba(200, 255, 77, 0.18);
}
.btn--ghost { background: transparent; }
.btn__arrow { width: 14px; height: 14px; transition: transform 0.25s var(--ease); }
.btn:hover .btn__arrow { transform: translate(2px, -2px); }

/* ─── HERO META ROW ───────────────────────────────────────────────────── */

.hero__meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  padding-top: 32px;
  max-width: 920px;
}
@media (max-width: 720px) { .hero__meta { grid-template-columns: 1fr 1fr; row-gap: 28px; } }
.hero__meta-item { display: flex; flex-direction: column; gap: 6px; }
.hero__meta-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--text-subtle);
  text-transform: uppercase;
}
.hero__meta-val {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.015em;
}

/* ─── SECTION HEADER ─────────────────────────────────────────────────── */

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.section-label::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--accent-line);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.4rem, 5.4vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  margin: 0 0 12px;
  max-width: 22ch;
  font-variation-settings: 'opsz' 72, 'wdth' 92;
}
.section-title em {
  font-family: var(--font-italic);
  font-style: italic;
  font-weight: 300;
  color: var(--text-muted);
}
.section-sub { color: var(--text-muted); font-size: 16px; max-width: 60ch; margin: 0; }
.section-header { margin-bottom: 64px; }

/* ─── WORK ────────────────────────────────────────────────────────────── */

.work { padding: 140px 0 120px; border-bottom: 1px solid var(--border); }

.cases {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.case {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  cursor: pointer;
  transition: border-color 0.3s var(--ease), transform 0.4s var(--ease-out);
}
.case--featured:nth-child(odd)  { grid-template-columns: 1.5fr 1fr; }
.case--featured:nth-child(even) { grid-template-columns: 1fr 1.5fr; }
.case:hover { border-color: var(--border-acc); transform: translateY(-3px); }

/* Alternation — odd: body left / visual right; even: visual left / body right */
.case:nth-child(odd)  .case__body   { grid-column: 1; grid-row: 1; }
.case:nth-child(odd)  .case__visual { grid-column: 2; grid-row: 1; }
.case:nth-child(even) .case__body   { grid-column: 2; grid-row: 1; }
.case:nth-child(even) .case__visual { grid-column: 1; grid-row: 1; }

@media (max-width: 820px) {
  .case {
    display: flex;
    flex-direction: column;
  }
  .case .case__visual { order: 0; }
  .case .case__body   { order: 1; }
}

.case__body {
  padding: 44px 44px 36px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  z-index: 2;
}

.case__head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.case__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.case__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 100px;
}

.case__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.2rem, 3.6vw, 3.6rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 12px 0 4px;
  color: var(--text);
  font-variation-settings: 'opsz' 72, 'wdth' 92;
  transition: color 0.25s var(--ease);
}
.case:hover .case__title { color: var(--accent); }

.case__desc {
  font-size: 16px;
  color: var(--text-muted);
  margin: 0;
  max-width: 56ch;
  line-height: 1.6;
}

/* ─── METRICS ROW ─────────────────────────────────────────────────────── */

.case__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0 4px;
}
.metric {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  padding: 9px 14px;
  border: 1px solid var(--border);
  background: rgba(19, 19, 22, 0.55);
  border-radius: 12px;
}
.metric__val {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.02em;
  color: var(--accent);
  line-height: 1;
}
.metric__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.case__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: auto;
  padding-top: 14px;
}
.case__cta-arrow { display: inline-block; transition: transform 0.3s var(--ease); }
.case:hover .case__cta { color: var(--accent); }
.case:hover .case__cta-arrow { transform: translate(4px, -4px); }

.case--soon { opacity: 0.62; cursor: default; }
.case--soon:hover { border-color: var(--border); transform: none; }
.case--soon:hover .case__title { color: var(--text); }
.case--soon:hover .case__cta { color: var(--text-subtle); }
.case--soon:hover .case__cta-arrow { transform: none; }
.case--soon .case__cta { color: var(--text-subtle); }

/* ─── case visual + wireframe animation ───────────────────────────────── */

.case__visual {
  position: relative;
  background:
    radial-gradient(circle at 30% 20%, rgba(200, 255, 77, 0.08), transparent 60%),
    var(--surface-hi);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  min-height: 260px;
  min-width: 0;
  width: 100%;
  overflow: hidden;
}
/* Divider follows visual side */
.case:nth-child(odd)  .case__visual { border-left: 1px solid var(--border); }
.case:nth-child(even) .case__visual { border-right: 1px solid var(--border); }

@media (max-width: 820px) {
  .case .case__visual {
    border-left: none;
    border-right: none;
    border-bottom: 1px solid var(--border);
    min-height: 168px;
    padding: 22px 22px 16px;
  }
}

.case__visual svg {
  width: 100%;
  height: auto;
  max-height: 380px;
  color: var(--text);
  stroke-width: 0.8;
}
@media (max-width: 820px) {
  .case .case__visual svg { max-height: 150px; }
}

/* Featured cards — wireframe/iframe cropped: top-center, 56% width, 75% visible (bottom cut) */
.case--featured .case__visual {
  align-items: flex-start;
  justify-content: center;
  padding: 22% 0 0 0;
  overflow: hidden;
  min-height: 0;
  aspect-ratio: 1 / 0.993;
  align-self: start;
}
.case--featured .case__visual svg {
  width: 56%;
  height: auto;
  max-height: none;
  display: block;
}
@media (max-width: 820px) {
  .case--featured .case__visual {
    padding: 22% 0 0 0;
    min-height: 0;
  }
  .case--featured .case__visual svg { max-height: none; width: 56%; }
}

/* Live iframe wrapper — matches phone wireframe aspect (200x368) for identical crop */
.case--featured .case__iframe-wrap {
  width: 56%;
  aspect-ratio: 200 / 368;
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: var(--surface);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.case--featured .case__iframe-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  pointer-events: none;
}
.case.is-visible .case__iframe-wrap {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.25s;
}

.case__visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(237, 234, 227, 0.06) 1px, transparent 1px);
  background-size: 18px 18px;
  pointer-events: none;
}

@keyframes wfDraw {
  from { stroke-dashoffset: 1200; }
  to   { stroke-dashoffset: 0; }
}
@keyframes wfFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.case__visual svg .wf-stroke {
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
}
.case__visual svg .wf-fill { opacity: 0; }

.case.is-visible .case__visual svg .wf-stroke {
  animation: wfDraw 0.9s cubic-bezier(0.37, 0, 0.63, 1) var(--d, 0s) both;
}
.case.is-visible .case__visual svg .wf-fill {
  animation: wfFade 0.6s cubic-bezier(0.37, 0, 0.63, 1) var(--d, 0s) both;
}

/* ─── ABOUT ───────────────────────────────────────────────────────────── */

.about { padding: 140px 0 120px; border-bottom: 1px solid var(--border); }
.about__grid { display: grid; grid-template-columns: 1fr; gap: 60px; }
@media (min-width: 900px) { .about__grid { grid-template-columns: 1.05fr 1fr; gap: 100px; } }

.about__bio { font-size: 17px; line-height: 1.65; color: var(--text); margin: 0 0 20px; max-width: 54ch; }
.about__bio:last-of-type { color: var(--text-muted); margin-bottom: 32px; }

.skills { display: flex; flex-direction: column; border-top: 1px solid var(--border); }
.skills__heading {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 8px;
  padding-top: 14px;
}

.skill {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
  position: relative;
  transition: padding-left 0.3s var(--ease);
}
.skill::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform 0.35s var(--ease);
}
.skill:hover { padding-left: 12px; }
.skill:hover::before { transform: scaleY(0.6); }
.skill:hover .skill__icon { color: var(--accent); }

.skill__icon {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-subtle);
  transition: color 0.25s var(--ease);
}
.skill__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 16px;
  color: var(--text);
  display: block;
  margin-bottom: 4px;
  letter-spacing: -0.015em;
}
.skill__desc { font-size: 14px; color: var(--text-muted); margin: 0; line-height: 1.5; }

.skill--ai .skill__icon { color: var(--accent); }
.skill--ai .skill__name::after {
  content: 'NEW';
  display: inline-block;
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  font-weight: 600;
  padding: 2px 7px;
  background: var(--accent);
  color: var(--bg);
  border-radius: 100px;
  vertical-align: 2px;
}

/* ─── CONTACT ─────────────────────────────────────────────────────────── */

.contact {
  padding: 160px 0 120px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.contact__halo {
  position: absolute;
  bottom: -200px; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(200, 255, 77, 0.10) 0%, transparent 60%);
  pointer-events: none;
  animation: haloPulse 6s ease-in-out infinite;
}
@keyframes haloPulse {
  0%, 100% { transform: translate(-50%, 0) scale(1); }
  50%      { transform: translate(-50%, -20px) scale(1.06); }
}

.contact__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.8rem, 7vw, 6.4rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
  margin: 0 0 24px;
  max-width: 16ch;
  font-variation-settings: 'opsz' 88, 'wdth' 92;
}
.contact__title em {
  font-family: var(--font-italic);
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
}

.contact__sub { color: var(--text-muted); font-size: 17px; max-width: 54ch; margin: 0 0 36px; }

.contact__email {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 2.1rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--text);
  padding: 18px 28px;
  border: 1px solid var(--border-hi);
  border-radius: 100px;
  background: var(--surface);
  transition: background 0.25s, border-color 0.25s, gap 0.25s var(--ease);
}
.contact__email:hover { background: var(--surface-hi); border-color: var(--accent-line); gap: 18px; }
.contact__email-arrow { color: var(--accent); transition: transform 0.3s var(--ease); }
.contact__email:hover .contact__email-arrow { transform: translate(2px, -2px); }

/* ─── FOOTER ──────────────────────────────────────────────────────────── */

.footer { padding: 40px 0; font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); letter-spacing: 0.02em; }
.footer__inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer__links { display: flex; gap: 22px; }
.footer__links a { color: var(--text-muted); transition: color 0.2s; }
.footer__links a:hover { color: var(--text); }

/* ─── animate-in ─────────────────────────────────────────────────────── */

.animate-in {
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.9s var(--ease) forwards;
  animation-delay: var(--delay, 0s);
}
@keyframes rise { to { opacity: 1; transform: none; } }

/* mobile tweaks */
@media (max-width: 720px) {
  .container, .nav__inner { padding: 0 22px; }
  .hero { padding: 130px 0 80px; }
  .work, .about, .contact { padding: 90px 0; }
  .hero__actions { margin-bottom: 60px; }
  .case__body, .case--featured .case__body { padding: 28px 24px 24px; }
  .nav__links { gap: 6px; }
  .nav__link { padding: 7px 12px; font-size: 12.5px; }
}

/* ════════════════════════════════════════════════════════════════════
   CASE PAGE — v2 dark senior · used by case-hsl-v2.html
   ════════════════════════════════════════════════════════════════════ */

.cs2-hero {
  padding: 150px 0 60px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.cs2-hero__inner { display: flex; flex-direction: column; gap: 36px; }

.cs2-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  transition: color 0.2s, gap 0.25s var(--ease);
  align-self: flex-start;
}
.cs2-back:hover { color: var(--accent); gap: 10px; }

.cs2-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-transform: uppercase;
}
.cs2-label::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--accent-line);
}

.cs2-hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.8rem, 7.4vw, 7.8rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
  margin: 0;
  max-width: 18ch;
  font-variation-settings: 'opsz' 96, 'wdth' 92;
}
.cs2-hero__title em {
  font-family: var(--font-italic);
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.cs2-hero__sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 60ch;
  line-height: 1.55;
  margin: 0;
}

/* meta bar */
.cs2-meta {
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  background: rgba(19, 19, 22, 0.4);
}
.cs2-meta__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
@media (max-width: 720px) { .cs2-meta__grid { grid-template-columns: 1fr 1fr; row-gap: 22px; } }

.cs2-meta__item { display: flex; flex-direction: column; gap: 6px; }
.cs2-meta__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--text-subtle);
  text-transform: uppercase;
}
.cs2-meta__val {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--text);
}

/* trio phone hero */
.cs2-trio {
  padding: 80px 0 100px;
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-left: 32px;
  padding-right: 32px;
}
.cs2-trio__unit { display: flex; flex-direction: column; align-items: center; gap: 14px; flex-shrink: 0; }
.cs2-trio__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── phone device (reused from original cs-embed structure) ───────────── */
.cs-embed__device {
  width: 375px;
  height: 812px;
  border-radius: 48px;
  overflow: hidden;
  box-shadow:
    0 0 0 10px #1c1c1e,
    0 0 0 12px #2c2c2e,
    0 48px 96px rgba(0, 0, 0, 0.45),
    0 16px 32px rgba(0, 0, 0, 0.25);
  position: relative;
  background: #000;
  flex-shrink: 0;
  opacity: 0;
  transform: translateY(52px) scale(0.96);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.cs-embed__device.device-visible { opacity: 1; transform: none; }

.cs-embed__statusbar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 44px;
  z-index: 10;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0 20px 8px;
  pointer-events: none;
}
.cs-embed__statusbar-time {
  font-family: -apple-system, 'SF Pro Text', system-ui, sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.03em;
}
.cs-embed__statusbar-icons { display: flex; align-items: center; gap: 7px; }

.cs-embed__skeleton {
  position: absolute;
  top: 44px; left: 0; right: 0; bottom: 0;
  z-index: 5;
  background: #fff;
  overflow: hidden;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.cs-embed__sk-header { height: 84px; background: #1749a6; }
.cs-embed__sk-body { padding: 28px 16px; display: flex; flex-direction: column; gap: 24px; background: #fff; }

@keyframes embedShimmer {
  from { background-position: -560px 0; }
  to   { background-position:  560px 0; }
}
.cs-embed__sk-line, .cs-embed__sk-hero, .cs-embed__sk-circle, .cs-embed__sk-card {
  background: linear-gradient(90deg, #ececec 25%, #f7f7f7 50%, #ececec 75%);
  background-size: 560px 100%;
  animation: embedShimmer 1.5s infinite linear;
  border-radius: 6px;
}
.cs-embed__sk-hero { height: 118px; border-radius: 10px; }
.cs-embed__sk-lines { display: flex; flex-direction: column; gap: 10px; }
.cs-embed__sk-line { height: 12px; }
.cs-embed__sk-line--short { width: 60%; }
.cs-embed__sk-row { display: flex; gap: 20px; padding: 0 8px; }
.cs-embed__sk-circle { width: 64px; height: 64px; border-radius: 50%; flex-shrink: 0; }
.cs-embed__sk-grid-section { background: #f3f4f6; margin: 0 -16px; padding: 24px 16px; }
.cs-embed__sk-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.cs-embed__sk-card { height: 88px; border-radius: 8px; background: linear-gradient(90deg, #e2e2e2 25%, #ebebeb 50%, #e2e2e2 75%); background-size: 560px 100%; }
.cs-embed__device iframe {
  position: absolute;
  top: 44px; left: 0; right: 0; bottom: 0;
  width: 100%;
  height: calc(100% - 44px);
  border: none;
  display: block;
  opacity: 0;
  transition: opacity 0.42s ease;
}
.cs-embed__device iframe.iframe-ready { opacity: 1; }

/* ─── case body sections ──────────────────────────────────────────────── */

.cs2-body { padding: 80px 0 0; }

.cs2-section {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}
.cs2-section__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 900px) {
  .cs2-section__inner { grid-template-columns: 220px 1fr; gap: 80px; }
}

.cs2-section__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  text-transform: uppercase;
  padding-top: 8px;
  position: sticky;
  top: 90px;
  align-self: start;
}

.cs2-section__content {
  max-width: 70ch;
}

.cs2-lead {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0;
}
.cs2-lead strong { color: var(--accent); font-weight: 600; }

.cs2-h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.0;
  letter-spacing: -0.035em;
  margin: 0 0 24px;
  color: var(--text);
  font-variation-settings: 'opsz' 72, 'wdth' 92;
}
.cs2-h2 em {
  font-family: var(--font-italic);
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
}

.cs2-body-text {
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-muted);
  margin: 0 0 18px;
  max-width: 64ch;
}
.cs2-body-text--intro { color: var(--text); font-size: 17px; }

/* ─── mission insight ─────────────────────────────────────────────────── */

.cs2-insight {
  padding: 100px 0;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: relative;
  overflow: hidden;
}
.cs2-insight::before {
  content: '"';
  position: absolute;
  top: -60px;
  left: 5%;
  font-family: var(--font-italic);
  font-size: 360px;
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
  opacity: 0.08;
  line-height: 1;
  pointer-events: none;
}
.cs2-insight__text {
  font-family: var(--font-italic);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(2rem, 4.8vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 28px;
  max-width: 22ch;
}
.cs2-insight__sub {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 58ch;
  margin: 0;
  line-height: 1.6;
}

/* ─── feature section (full-width, label inline, text + mockup) ───────── */

.cs2-section--feature .cs2-section__inner {
  display: block;
}
.cs2-section--feature .cs2-section__content { max-width: none; }

.cs2-overline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.cs2-overline::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--accent-line);
}

.cs2-feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 0;
}
@media (min-width: 900px) {
  .cs2-feature { grid-template-columns: 1.15fr 0.85fr; gap: 80px; }
  .cs2-feature--reverse .cs2-feature__text { order: 2; }
  .cs2-feature--reverse .cs2-feature__mockup { order: 1; }
}

.cs2-feature__text { max-width: 60ch; }
.cs2-feature__text .cs2-body-text { max-width: none; }

.cs2-feature__mockup {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 18px;
}

/* demo / interact toggle — sits above device */
.cs2-toggle {
  display: inline-flex;
  border: 1px solid var(--border-hi);
  border-radius: 100px;
  padding: 3px;
  background: var(--surface);
  gap: 2px;
  align-self: center;
}
.cs2-toggle__btn {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 14px;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.cs2-toggle__btn:hover { color: var(--text); }
.cs2-toggle__btn--active {
  background: var(--accent);
  color: var(--bg);
}
.cs2-toggle__btn--active:hover { color: var(--bg); }

/* ─── design system embed ─────────────────────────────────────────────── */

.cs2-ds-frame {
  width: 100%;
  border: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: block;
  background: #fff;
}

/* ─── learnings ───────────────────────────────────────────────────────── */

.cs2-learnings {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 12px;
}
@media (min-width: 720px) { .cs2-learnings { grid-template-columns: 1fr 1fr; gap: 36px 56px; } }

.cs2-learning {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--border);
  align-items: baseline;
}
.cs2-learning__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin: 0;
}
.cs2-learning__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 8px;
}
.cs2-learning .cs2-body-text { font-size: 15px; }

/* ─── case nav footer ─────────────────────────────────────────────────── */

.cs2-nav-footer {
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.cs2-nav-footer__back {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s, gap 0.25s var(--ease);
}
.cs2-nav-footer__back:hover { color: var(--accent); gap: 12px; }

.cs2-nav-footer__next {
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-end;
  transition: gap 0.25s var(--ease);
}
.cs2-nav-footer__next-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-subtle);
}
.cs2-nav-footer__next-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--text);
  transition: color 0.2s;
}
.cs2-nav-footer__next:hover .cs2-nav-footer__next-title { color: var(--accent); }

/* ─── scroll reveal ───────────────────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.85s var(--ease), transform 0.85s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* row-wise stagger */
.cs2-trio .cs2-trio__unit.reveal:nth-child(1) { transition-delay: 0ms; }
.cs2-trio .cs2-trio__unit.reveal:nth-child(2) { transition-delay: 100ms; }
.cs2-trio .cs2-trio__unit.reveal:nth-child(3) { transition-delay: 200ms; }

.cs2-learnings .cs2-learning.reveal:nth-child(1) { transition-delay: 0ms; }
.cs2-learnings .cs2-learning.reveal:nth-child(2) { transition-delay: 90ms; }
.cs2-learnings .cs2-learning.reveal:nth-child(3) { transition-delay: 180ms; }
.cs2-learnings .cs2-learning.reveal:nth-child(4) { transition-delay: 270ms; }

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

/* ════════════════════════════════════════════════════════════════════
   C4AR CASE — additional patterns (rejected, panels, decision, pillars,
   steps, metric cards, flow map)
   ════════════════════════════════════════════════════════════════════ */

/* alternating section bg */
.cs2-section--alt { background: var(--surface-hi); }

/* dark inverted section (impact) */
.cs2-section--dark {
  background: var(--ink, #0F1E3E);
  color: #fff;
}
.cs2-section--dark .cs2-section__label { color: var(--accent); }
.cs2-section--dark .cs2-h2 { color: #fff; }
.cs2-section--dark .cs2-body-text { color: rgba(255, 255, 255, 0.6); }

/* ─── rejected-approach box ───────────────────────────────────────────── */
.cs2-rejected {
  margin: 32px 0;
  border: 1px solid var(--border-hi);
  border-radius: 18px;
  background: var(--surface);
  overflow: hidden;
}
.cs2-rejected__header {
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: rgba(195, 50, 50, 0.06);
}
.cs2-rejected__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #c53030;
  font-weight: 600;
}
.cs2-rejected__items { padding: 14px 22px; }
.cs2-rejected__item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.cs2-rejected__item:last-child { border-bottom: none; }
.cs2-rejected__x {
  color: #c53030;
  font-size: 16px;
  line-height: 1.4;
  font-weight: 600;
}
.cs2-rejected__item strong {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.015em;
  display: block;
  margin-bottom: 4px;
  color: var(--text);
}
.cs2-rejected__item p {
  font-size: 14.5px;
  margin: 0;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ─── two panels grid ─────────────────────────────────────────────────── */
.cs2-panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin: 32px 0;
}
@media (min-width: 820px) { .cs2-panels { grid-template-columns: 1fr 1fr; } }
.cs2-panel {
  padding: 28px 26px;
  border: 1px solid var(--border-hi);
  border-radius: 18px;
  background: var(--surface);
}
.cs2-panel__icon {
  font-size: 20px;
  margin-bottom: 14px;
}
.cs2-panel__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}
.cs2-panel__text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}
.cs2-callout {
  margin-top: 18px;
  padding: 14px 16px;
  border-left: 2px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 8px 8px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cs2-callout span {
  font-family: var(--font-italic);
  font-style: italic;
  font-size: 15px;
  color: var(--text);
}
.cs2-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}
.cs2-list li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-muted);
  position: relative;
  padding-left: 18px;
}
.cs2-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.cs2-reframe {
  margin-top: 36px;
  padding: 24px 28px;
  background: var(--accent-soft);
  border: 1px solid var(--border-acc);
  border-radius: 18px;
}
.cs2-reframe__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
}
.cs2-reframe__text {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--text);
}
.cs2-reframe__text strong { color: var(--accent); font-weight: 600; }

/* ─── decision (vs comparison) ────────────────────────────────────────── */
.cs2-decision {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  align-items: stretch;
  margin: 32px 0;
}
@media (max-width: 720px) { .cs2-decision { grid-template-columns: 1fr; } }
.cs2-decision__side {
  padding: 24px 22px;
  border: 1px solid var(--border-hi);
  border-radius: 16px;
  background: var(--surface);
}
.cs2-decision__side--no { background: rgba(195, 50, 50, 0.04); border-color: rgba(195, 50, 50, 0.18); }
.cs2-decision__side--yes { background: var(--accent-soft); border-color: var(--border-acc); }
.cs2-decision__marker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
  color: var(--text-muted);
}
.cs2-decision__side--no .cs2-decision__marker { color: #c53030; }
.cs2-decision__side--yes .cs2-decision__marker { color: var(--accent); }
.cs2-decision__side p {
  margin: 0;
  font-size: 15px;
  color: var(--text);
  line-height: 1.55;
}
.cs2-decision__divider {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-italic);
  font-style: italic;
  font-size: 22px;
  color: var(--text-subtle);
  padding: 0 8px;
}

/* ─── pillars ─────────────────────────────────────────────────────────── */
.cs2-pillars {
  display: grid;
  gap: 24px;
  margin: 32px 0;
}
.cs2-pillar {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 22px;
  padding: 26px 0;
  border-top: 1px solid var(--border);
}
.cs2-pillar:last-child { border-bottom: 1px solid var(--border); }
.cs2-pillar__num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.cs2-pillar__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  letter-spacing: -0.025em;
  margin: 0 0 8px;
  color: var(--text);
}
.cs2-pillar__text {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0 0 14px;
  max-width: 56ch;
}
.cs2-pillar__rejected {
  padding: 14px 18px;
  border-left: 2px solid #c53030;
  background: rgba(195, 50, 50, 0.05);
  border-radius: 0 8px 8px 0;
}
.cs2-pillar__rejected span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #c53030;
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}
.cs2-pillar__rejected p {
  margin: 0;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ─── steps walkthrough ───────────────────────────────────────────────── */
.cs2-steps {
  display: flex;
  flex-direction: column;
  gap: 60px;
  margin-top: 60px;
}
.cs2-step {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.cs2-step__header {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  align-items: baseline;
}
.cs2-step__num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.cs2-step__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  letter-spacing: -0.025em;
  margin: 0 0 6px;
  color: var(--text);
}
.cs2-step__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0;
}
.cs2-step__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}
@media (min-width: 820px) {
  .cs2-step__body { grid-template-columns: 1fr 1fr; gap: 56px; }
  .cs2-step:nth-child(even) .cs2-step__body { grid-template-columns: 1fr 1fr; }
  .cs2-step:nth-child(even) .cs2-step__img { order: 2; }
  .cs2-step:nth-child(even) .cs2-step__text { order: 1; }
}
.cs2-step__img {
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  background: var(--surface-hi);
}
.cs2-step__img img { width: 100%; height: auto; display: block; }
.cs2-step__text { display: flex; flex-direction: column; gap: 16px; }
.cs2-step__text p { font-size: 15.5px; color: var(--text-muted); line-height: 1.65; margin: 0; }
.cs2-step__text p:first-child { color: var(--text); }
.cs2-step__why {
  margin-top: 8px;
  padding: 18px 20px;
  border: 1px solid var(--border-acc);
  background: var(--accent-soft);
  border-radius: 14px;
}
.cs2-step__why-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}
.cs2-step__why p { font-size: 14px !important; color: var(--text) !important; line-height: 1.55; margin: 0; }

.cs2-step--hero {
  border-radius: 18px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
}
.cs2-step--hero img { width: 100%; height: auto; display: block; }
.cs2-step__hero-caption {
  padding: 22px 28px;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  align-items: baseline;
}
.cs2-step__hero-caption h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  letter-spacing: -0.025em;
  margin: 0 0 6px;
  color: var(--text);
}
.cs2-step__hero-caption p { font-size: 14.5px; color: var(--text-muted); margin: 0; line-height: 1.55; }

.cs2-step--error .cs2-step__body--error { display: block; }
.cs2-step--error .cs2-step__text--full { max-width: 64ch; }

/* ─── metric cards (impact) ───────────────────────────────────────────── */
.cs2-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 24px;
}
@media (min-width: 820px) { .cs2-metrics { grid-template-columns: repeat(4, 1fr); } }
.cs2-metric-card {
  padding: 26px 24px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cs2-metric-card__val {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 3.5vw, 3rem);
  letter-spacing: -0.035em;
  color: var(--accent);
  line-height: 1;
}
.cs2-metric-card__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
}
.cs2-metric-card__reason {
  font-size: 13.5px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 4px;
}

/* ─── takeaways (arrow-style) ─────────────────────────────────────────── */
.cs2-takeaways {
  display: grid;
  gap: 22px;
  margin-top: 24px;
}
.cs2-takeaway {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--border);
  align-items: baseline;
}
.cs2-takeaway:last-child { border-bottom: 1px solid var(--border); }
.cs2-takeaway__icon {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  color: var(--accent);
}
.cs2-takeaway p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--text-muted);
}
.cs2-takeaway p strong { color: var(--text); font-weight: 600; }

/* ─── flow map (reused from earlier work) ─────────────────────────────── */
.cs-flow-map {
  margin: 60px 0 40px;
  padding: 40px 0;
}
.cs-flow-map svg {
  width: 100%;
  height: auto;
  display: block;
  color: var(--text);
}
.cs-flow-map svg * { vector-effect: non-scaling-stroke; }
.cs-flow-map__caption {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  text-align: center;
  margin: 24px auto 0;
  max-width: 60ch;
  line-height: 1.55;
}
@keyframes wfDrawFlow {
  from { stroke-dashoffset: 5000; }
  to   { stroke-dashoffset: 0; }
}
.cs-flow-map svg .wf-stroke {
  stroke-dasharray: 5000;
  stroke-dashoffset: 5000;
}
.cs-flow-map svg .wf-fill { opacity: 0; }
.cs-flow-map.is-visible svg .wf-stroke {
  animation: wfDrawFlow 0.8s cubic-bezier(0.37, 0, 0.63, 1) var(--d, 0s) both;
}
.cs-flow-map.is-visible svg .wf-fill {
  animation: wfFade 0.6s cubic-bezier(0.37, 0, 0.63, 1) var(--d, 0s) both;
}
@keyframes wfFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ─── case hero phone mockup band ─────────────────────────────────────── */
.cs-hero-image {
  width: 100%;
  overflow: hidden;
  background: var(--bg);
  max-height: 72vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 4vh;
  position: relative;
  z-index: 3;
}
.cs-hero-device-scale {
  transform: scale(1.5);
  transform-origin: top center;
  flex: none;
}
.cs-embed__device.cs-hero-device iframe {
  top: 0;
  height: 100%;
}
.cs-hero-device .cs-embed__skeleton { top: 47px; }
.cs-embed__statusbar.cs-hero-statusbar {
  height: 47px;
  background: #fff;
  align-items: center;
  padding: 0 20px;
}
.cs-embed__statusbar.cs-hero-statusbar .cs-embed__statusbar-time { color: #000; }

/* ─── STILL HERE? — visual gallery ───────────────────────────────────── */
.still {
  padding: 140px 0 120px;
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 3;
}
.still__header {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.still__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 1;
  letter-spacing: -0.04em;
  margin: 0;
  font-variation-settings: 'opsz' 72, 'wdth' 92;
  color: var(--text);
}
.still__copy {
  display: grid;
  gap: 6px;
  color: var(--text-muted);
  font-size: 17px;
  line-height: 1.5;
}
.still__copy p { margin: 0; }
.still__copy em {
  font-family: var(--font-italic);
  font-style: italic;
  font-weight: 300;
  color: var(--text-subtle);
}

.still__toggle { display: block; }
.still__toggle > summary { list-style: none; }
.still__toggle > summary::-webkit-details-marker { display: none; }

.still__summary {
  margin: 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 14px 22px;
  border: 1px solid var(--border-hi);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
  width: max-content;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}
.still__summary:hover {
  background: var(--surface-hi);
  border-color: var(--accent-line);
}
.still__summary-icon {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
  transition: transform .35s var(--ease);
}
.still__toggle[open] .still__summary-icon { transform: rotate(45deg); }

.still__gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 56px;
}
.still__col {
  display: grid;
  gap: 16px;
  align-content: start;
}
.still__item {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  aspect-ratio: 16 / 9;
  transform: translateY(12px);
  opacity: 0;
  transition: transform .6s var(--ease-out), opacity .6s var(--ease-out), border-color .25s var(--ease);
}
.still__toggle[open] .still__item {
  opacity: 1;
  transform: translateY(0);
}
.still__col:nth-child(1) .still__item { transition-delay: calc(var(--i, 0) * 40ms); }
.still__col:nth-child(2) .still__item { transition-delay: calc(var(--i, 0) * 40ms + 80ms); }
.still__col:nth-child(3) .still__item { transition-delay: calc(var(--i, 0) * 40ms + 160ms); }
.still__item:hover {
  border-color: var(--border-hi);
}
.still__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .8s var(--ease-out);
}
.still__item:hover img { transform: scale(1.03); }

@media (max-width: 880px) {
  .still { padding: 100px 0 80px; }
  .still__header { margin-bottom: 40px; }
  .still__gallery {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 40px;
  }
  .still__col { gap: 12px; }
}

/* LIGHTBOX */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(8, 9, 12, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 32px 64px;
  opacity: 0;
  transition: opacity 0.24s var(--ease, ease);
}
.lightbox.is-open {
  display: flex;
  opacity: 1;
}
.lightbox__stage {
  margin: 0;
  max-width: min(1400px, 100%);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.lightbox__img {
  max-width: 100%;
  max-height: calc(100vh - 120px);
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
  display: block;
}
.lightbox__counter {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}
.lightbox__close,
.lightbox__nav {
  position: absolute;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #fff;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.18s ease, transform 0.18s ease;
  font-family: var(--font-mono);
  line-height: 1;
}
.lightbox__close:hover,
.lightbox__nav:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: scale(1.05);
}
.lightbox__close {
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  font-size: 22px;
}
.lightbox__nav {
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  font-size: 32px;
  padding-bottom: 4px;
}
.lightbox__nav:hover { transform: translateY(-50%) scale(1.05); }
.lightbox__nav--prev { left: 24px; }
.lightbox__nav--next { right: 24px; }

@media (max-width: 720px) {
  .lightbox { padding: 16px; }
  .lightbox__nav { width: 40px; height: 40px; font-size: 26px; }
  .lightbox__nav--prev { left: 10px; }
  .lightbox__nav--next { right: 10px; }
  .lightbox__close { top: 12px; right: 12px; width: 38px; height: 38px; font-size: 20px; }
}