/* ==========================================================================
   LITTLEOCEANS ◦ electric maximalist ◦ abyssal dark + bioluminescent acid
   ========================================================================== */

:root {
  --ink: #050810;
  --ink-2: #0a0f1e;
  /* accent trial 2026-07-14: acid ocean blue. Previous acid green:
     --acid: #c6ff3f; --acid-rgb: 198, 255, 63; --cyan: #4fd8ff; */
  --acid: #3ed6ff;
  --acid-rgb: 62, 214, 255;
  --cyan: #5b9dff;
  --spark: #c6ff3f; /* rare accent only: selection, occasional plankton. Never structural. */
  --foam: #f4f2ea;
  --mist: rgba(244, 242, 234, 0.74);
  --hairline: rgba(244, 242, 234, 0.12);
  --display: "Clash Display", "Arial Narrow", sans-serif;
  --body: "Cabinet Grotesk", -apple-system, sans-serif;
  --mono: "IBM Plex Mono", monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--foam);
  font-family: var(--body);
  font-weight: 500;
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--spark); color: var(--ink); }

img { max-width: 100%; display: block; }

.acid { color: var(--acid); }

.hollow {
  color: transparent;
  -webkit-text-stroke: 2px var(--foam);
}

/* ---------- grain ---------- */
.noise {
  position: fixed; inset: -50%; z-index: 40; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.05;
  animation: grain 8s steps(10) infinite;
}
@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  20% { transform: translate(-3%, 2%); }
  40% { transform: translate(2%, -3%); }
  60% { transform: translate(-2%, -2%); }
  80% { transform: translate(3%, 3%); }
}

/* ---------- custom cursor ---------- */
.cursor { display: none; }
@media (pointer: fine) {
  .cursor { display: block; position: fixed; inset: 0; z-index: 50; pointer-events: none; }
  .cursor-dot, .cursor-ring {
    position: absolute; top: 0; left: 0; border-radius: 50%;
    transform: translate(-50%, -50%);
  }
  .cursor-dot { width: 8px; height: 8px; background: var(--acid); box-shadow: 0 0 12px var(--acid); }
  .cursor-ring {
    width: 38px; height: 38px; border: 1.5px solid rgba(var(--acid-rgb), 0.5);
    transition: width 0.25s, height 0.25s, border-color 0.25s;
  }
  .cursor.is-hot .cursor-ring { width: 64px; height: 64px; border-color: var(--cyan); }
  body { cursor: none; }
  a, button, input, textarea, label, .ba-range { cursor: none; }
}

/* ---------- reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem clamp(1.25rem, 4vw, 3rem);
  background: linear-gradient(to bottom, rgba(5, 8, 16, 0.92), rgba(5, 8, 16, 0));
}
.nav-mark {
  font-family: var(--display); font-weight: 700; font-size: 1.35rem;
  letter-spacing: 0.02em; color: var(--foam); text-decoration: none;
  display: inline-flex; align-items: center; gap: 1px;
}
.mark-o {
  width: 0.78em; height: 0.78em; border: 0.14em solid var(--acid);
  border-radius: 50%; display: inline-block; position: relative; margin: 0 0.06em;
  flex: none;
  box-shadow: 0 0 14px rgba(var(--acid-rgb), 0.55);
}
.mark-o::after {
  content: ""; position: absolute; inset: -0.14em; border: 0.14em solid var(--acid);
  border-radius: 50%; animation: sonar 2.6s ease-out infinite;
}
@keyframes sonar {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(2.4); opacity: 0; }
}
.nav-right { display: flex; align-items: center; gap: 1.1rem; }
.nav-links { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2rem); }
.nav-links a {
  color: var(--mist); text-decoration: none; font-family: var(--mono);
  font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase;
  opacity: 0; transform: translateX(18px); visibility: hidden; pointer-events: none;
  transition: color 0.2s, opacity 0.35s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0s 0.5s;
}
.nav-links a:hover { color: var(--acid); }
/* links bloom out when the wordmark collapses, or when the burger is opened */
.nav-shrunk .nav-links a, .nav-open .nav-links a {
  opacity: 1; transform: none; visibility: visible; pointer-events: auto;
  transition: color 0.2s, opacity 0.35s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0s;
}
/* dealt from the burger: rightmost first */
.nav-shrunk .nav-links a:nth-child(3), .nav-open .nav-links a:nth-child(3) { transition-delay: 0.05s; }
.nav-shrunk .nav-links a:nth-child(2), .nav-open .nav-links a:nth-child(2) { transition-delay: 0.13s; }
.nav-shrunk .nav-links a:nth-child(1), .nav-open .nav-links a:nth-child(1) { transition-delay: 0.21s; }

.nav-burger {
  width: 40px; height: 40px; flex: none;
  display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px;
  background: none; border: 1px solid var(--hairline); cursor: pointer;
  transition: opacity 0.3s, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s;
}
.nav-burger span {
  display: block; width: 16px; height: 2px; background: var(--foam);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s, background 0.2s;
}
.nav-burger:hover { border-color: rgba(var(--acid-rgb), 0.6); }
.nav-burger:hover span { background: var(--acid); }
.nav-open .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-burger span:nth-child(2) { opacity: 0; }
.nav-open .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
/* once scrolled, the links live in the bar; the burger bows out */
.nav-shrunk .nav-burger { opacity: 0; transform: scale(0.5); pointer-events: none; }

@media (max-width: 720px) {
  .nav-links { gap: 0.9rem; }
  .nav-links a { font-size: 0.66rem; letter-spacing: 0.08em; }
}

/* wordmark collapses into the O on scroll */
.mark-left, .mark-right {
  display: inline-block; overflow: hidden; white-space: nowrap;
  min-width: 0; flex: none;
  transition: width 0.55s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease,
              filter 0.4s ease, letter-spacing 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}
.mark-left { width: var(--wl, auto); }
.mark-right { width: var(--wr, auto); }
.nav-shrunk .mark-left, .nav-shrunk .mark-right {
  width: 0; opacity: 0; filter: blur(6px); letter-spacing: -0.08em;
}
.mark-o { transition: transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.55s; }
.nav-shrunk .mark-o {
  transform: scale(1.35);
  box-shadow: 0 0 24px rgba(var(--acid-rgb), 0.85);
}
.nav-shrunk .mark-o::after { animation-duration: 1.6s; }

/* ---------- hero ---------- */
.hero {
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(4.5rem, 9svh, 6rem) clamp(1.25rem, 4vw, 3rem) 4.5rem;
  position: relative;
  overflow: clip;
}
#depth { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero-glow {
  position: absolute; z-index: 0; pointer-events: none;
  width: 70vw; height: 70vw; right: -25vw; top: -25vw; border-radius: 50%;
  background: radial-gradient(circle, rgba(91, 157, 255, 0.14), transparent 62%);
  animation: drift 14s ease-in-out infinite alternate;
}
@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(-8vw, 6vw) scale(1.15); }
}
.hero > :not(canvas):not(.hero-glow) { position: relative; z-index: 1; }

.hero-eyebrow {
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--mist);
  display: flex; align-items: center; gap: 0.7rem; margin-bottom: clamp(1.2rem, 2.6svh, 2.2rem);
}
.ping {
  width: 9px; height: 9px; background: var(--acid); border-radius: 50%;
  position: relative; box-shadow: 0 0 10px var(--acid);
}
.ping::after {
  content: ""; position: absolute; inset: -3px; border: 1.5px solid var(--acid);
  border-radius: 50%; animation: sonar 2s ease-out infinite;
}

.hero-title {
  font-family: var(--display); font-weight: 700;
  font-size: min(clamp(2.8rem, 8.6vw, 8.2rem), 11svh);
  line-height: 0.94; letter-spacing: -0.015em;
  text-transform: uppercase;
  margin-bottom: clamp(1.4rem, 3svh, 2.4rem);
}
.hero-title .line { display: block; overflow: hidden; padding-bottom: 0.06em; margin-bottom: -0.06em; }
.hero-title .word {
  display: inline-block;
  transform: translateY(110%) rotate(3deg);
  animation: surface 1.1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero-title .line:nth-child(1) .word:nth-child(1) { animation-delay: 0.10s; }
.hero-title .line:nth-child(1) .word:nth-child(2) { animation-delay: 0.18s; }
.hero-title .line:nth-child(2) .word:nth-child(1) { animation-delay: 0.30s; }
.hero-title .line:nth-child(2) .word:nth-child(2) { animation-delay: 0.38s; }
.hero-title .line:nth-child(3) .word:nth-child(1) { animation-delay: 0.46s; }
.hero-title .line:nth-child(3) .word:nth-child(2) { animation-delay: 0.54s; }
.hero-title .line:nth-child(4) .word:nth-child(1) { animation-delay: 0.66s; }
@keyframes surface {
  to { transform: translateY(0) rotate(0); }
}
.hero-title .acid {
  color: var(--acid);
  text-shadow: 0 0 38px rgba(var(--acid-rgb), 0.45);
}

.hero-sub {
  max-width: 34rem; font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: var(--mist); margin-bottom: clamp(1.4rem, 3svh, 2.6rem);
}

.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; max-width: 34rem; }
.hero-ctas .btn { flex: 1 1 12rem; text-align: center; }

.btn {
  font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.14em;
  text-transform: uppercase; text-decoration: none;
  padding: 1.05rem 1.9rem; display: inline-block;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
}
.btn:hover { transform: translateY(-3px); }
.btn-acid {
  background: var(--acid); color: var(--ink); font-weight: 500;
  box-shadow: 0 0 0 rgba(var(--acid-rgb), 0);
}
.btn-acid:hover { box-shadow: 0 8px 34px rgba(var(--acid-rgb), 0.4); }
.btn-ghost { border: 1px solid var(--hairline); color: var(--foam); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-big { border: 0; font-size: 1rem; padding: 1.2rem 2.6rem; }

.scroll-hint {
  position: relative;
  display: block;
  align-self: center;
  margin-top: clamp(3rem, 9svh, 5.5rem);
  width: 26px; height: 30px;
  padding: 8px; box-sizing: content-box; /* generous tap target */
}
.scroll-hint span, .scroll-hint::after {
  content: ""; position: absolute; left: 50%; top: 4px;
  width: 12px; height: 12px; margin-left: -6px;
  border-right: 2px solid var(--acid); border-bottom: 2px solid var(--acid);
  transform: rotate(45deg);
  filter: drop-shadow(0 0 6px rgba(var(--acid-rgb), 0.8));
  animation: dive 1.9s ease-in-out infinite;
}
.scroll-hint::after { animation-delay: 0.35s; opacity: 0; }
@keyframes dive {
  0% { opacity: 0; transform: translateY(-6px) rotate(45deg); }
  40% { opacity: 1; }
  100% { opacity: 0; transform: translateY(12px) rotate(45deg); }
}

/* ---------- marquee ---------- */
.marquee-band { border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.marquee { overflow: hidden; padding: 1.05rem 0; }
.marquee.m2 { border-top: 1px solid var(--hairline); }
.marquee-track {
  display: flex; align-items: center; gap: 2.2rem; width: max-content;
  font-family: var(--display); font-weight: 600; font-size: 1.5rem;
  letter-spacing: 0.04em; white-space: nowrap;
}
.marquee-track i { color: var(--acid); font-style: normal; }
.m1 .marquee-track { animation: slide 26s linear infinite; }
.m2 .marquee-track { animation: slide 30s linear infinite reverse; color: transparent; -webkit-text-stroke: 1px var(--mist); }
.m2 .marquee-track i { color: var(--cyan); -webkit-text-stroke: 0; }
@keyframes slide {
  to { transform: translateX(calc(-50% - 1.1rem)); }
}

/* ---------- sections ---------- */
section { padding: clamp(5rem, 11vw, 9.5rem) clamp(1.25rem, 4vw, 3rem); }

.section-head { max-width: 72rem; margin: 0 auto 3.5rem; }
.kicker {
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.24em;
  color: var(--mist); margin-bottom: 1.3rem;
  display: flex; align-items: center; gap: 0.7rem;
}
.kicker .ping { flex: none; }
.section-head h2, .contact h2 {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 6.2rem); line-height: 0.97;
  text-transform: uppercase; letter-spacing: -0.01em;
}
.section-intro {
  max-width: 38rem; color: var(--mist); margin-top: 1.8rem;
  font-size: clamp(1rem, 1.4vw, 1.2rem);
}

/* ---------- before/after flip ---------- */
/* width follows viewport height (shots are 16:10) so the whole frame + toggle fits on screen */
.flip { max-width: min(80rem, calc((100svh - 14rem) * 1.6)); margin: 0 auto; }
.flip-stage {
  position: relative; overflow: hidden;
  border: 1px solid var(--hairline);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.55), 0 0 80px rgba(91, 157, 255, 0.07);
}
.flip-img { width: 100%; height: auto; display: block; }
.flip-after {
  position: absolute; inset: 0;
  opacity: 0; transform: scale(1.04);
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1), transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}
.flip[data-state="after"] .flip-after { opacity: 1; transform: scale(1); }
.flip-controls {
  display: flex; justify-content: center; gap: 0;
  margin-top: -1.4rem; position: relative; z-index: 2;
}
.flip-btn {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.14em;
  padding: 0.9rem 0; width: 9.5rem; white-space: nowrap; text-align: center;
  border: 1px solid var(--hairline);
  background: var(--ink-2); color: var(--mist); cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.flip-btn:first-child { border-right: 0; }
.flip-btn.is-active {
  background: var(--acid); color: var(--ink); border-color: var(--acid);
  font-weight: 500; box-shadow: 0 0 30px rgba(var(--acid-rgb), 0.35);
}
.flip-btn:not(.is-active):hover { color: var(--foam); border-color: rgba(var(--acid-rgb), 0.45); }

/* ---------- home work link band ---------- */
.work-band {
  display: block; text-decoration: none; color: inherit;
  border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline);
  padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.25rem, 4vw, 3rem);
}
.work-band-in { display: block; max-width: 72rem; margin: 0 auto; }
.work-band-kicker {
  display: block; font-family: var(--mono); font-size: 0.78rem;
  letter-spacing: 0.24em; color: var(--mist); margin-bottom: 1rem;
}
.work-band-title {
  display: block; font-family: var(--display); font-weight: 700;
  font-size: clamp(2.6rem, 7.5vw, 6.5rem); line-height: 0.95;
  text-transform: uppercase; letter-spacing: -0.01em;
  color: transparent; -webkit-text-stroke: 2px var(--foam);
  transition: color 0.35s, -webkit-text-stroke-color 0.35s;
}
.work-band:hover .work-band-title { color: var(--acid); -webkit-text-stroke-color: var(--acid); }
.work-band-arrow { display: inline-block; transition: transform 0.35s; }
.work-band:hover .work-band-arrow { transform: translateX(0.25em); }

/* ---------- phones comparison ---------- */
.phones { display: flex; justify-content: center; gap: 0; position: relative; }
.phone-col {
  width: min(46%, 240px);
  display: flex; flex-direction: column; align-items: center; gap: 1.1rem;
}
.phone {
  width: 100%; border: 1px solid var(--hairline); border-radius: 22px;
  overflow: hidden; background: var(--ink-2); position: relative;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.phone img { border-radius: 21px; }
.phone-tag {
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.18em;
  background: rgba(5, 8, 16, 0.85); border: 1px solid var(--hairline);
  padding: 0.3rem 0.65rem; color: var(--mist);
}
.phone-tag.tag-hot { background: var(--acid); border-color: var(--acid); color: var(--ink); font-weight: 500; }
.phone-before { transform: rotate(-5deg) translateX(6%); filter: saturate(0.55) brightness(0.82); z-index: 1; }
.phone-col:last-child { z-index: 2; }
.phone-after {
  transform: rotate(4deg) translateX(-6%) scale(1.08);
  border-color: rgba(var(--acid-rgb), 0.5);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6), 0 0 44px rgba(var(--acid-rgb), 0.14);
}
.phones:hover .phone-before { transform: rotate(-7deg) translateX(8%); }
.phones:hover .phone-after { transform: rotate(2deg) translateX(-8%) scale(1.1); }

/* ---------- services ---------- */
.cards {
  max-width: 80rem; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem;
}
@media (max-width: 860px) { .cards { grid-template-columns: 1fr; } }
.card {
  border: 1px solid var(--hairline); padding: 2.6rem 2.1rem 2.4rem;
  position: relative; overflow: hidden; background: var(--ink);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s;
}
.card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(var(--acid-rgb), 0.09), transparent 65%);
  opacity: 0; transition: opacity 0.4s;
}
.card:hover { transform: translateY(-8px); border-color: rgba(var(--acid-rgb), 0.45); }
.card:hover::before { opacity: 1; }
.card-num {
  font-family: var(--mono); font-size: 0.8rem; color: var(--acid);
  letter-spacing: 0.2em; display: block; margin-bottom: 2.6rem;
}
.card h3 {
  font-family: var(--display); font-weight: 600; font-size: 1.7rem;
  letter-spacing: 0.01em; margin-bottom: 0.9rem;
}
.card p { color: var(--mist); font-size: 1rem; position: relative; }

/* ---------- how it works ---------- */
.how { background: linear-gradient(to bottom, var(--ink), var(--ink-2) 60%, var(--ink)); }
.steps {
  max-width: 72rem; margin: 0 auto; list-style: none;
  display: grid; gap: 0;
}
.step {
  display: grid; grid-template-columns: minmax(90px, 220px) 1fr 1.4fr;
  gap: 2rem; align-items: center;
  padding: 3rem 0; border-top: 1px solid var(--hairline);
}
.step:last-child { border-bottom: 1px solid var(--hairline); }
@media (max-width: 720px) {
  .step { grid-template-columns: 1fr; gap: 0.8rem; padding: 2.4rem 0; }
}
.step-num {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(3.4rem, 8vw, 7rem); line-height: 1;
  color: transparent; -webkit-text-stroke: 2px rgba(var(--acid-rgb), 0.75);
  transition: color 0.4s;
}
.step:hover .step-num { color: var(--acid); -webkit-text-stroke-color: var(--acid); text-shadow: 0 0 40px rgba(var(--acid-rgb), 0.35); }
.step h3 {
  font-family: var(--display); font-weight: 600; font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: 0.01em; text-transform: uppercase;
}
.step p { color: var(--mist); max-width: 30rem; }

/* ---------- about ---------- */
.about { position: relative; }
.about-inner { max-width: 72rem; margin: 0 auto; }
.about-big {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(1.7rem, 3.8vw, 3.2rem); line-height: 1.22;
  letter-spacing: 0.002em;
}

/* ---------- contact ---------- */
.contact { background: linear-gradient(to bottom, var(--ink), #071224 65%, var(--ink)); }
.contact-form { max-width: 46rem; margin: 0 auto; display: grid; gap: 1.4rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
@media (max-width: 640px) { .field-row { grid-template-columns: 1fr; } }
.contact-form label {
  display: grid; gap: 0.5rem; font-family: var(--mono); font-size: 0.74rem;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--mist);
}
.contact-form input, .contact-form textarea {
  background: rgba(244, 242, 234, 0.04); border: 1px solid var(--hairline);
  padding: 0.95rem 1.05rem; color: var(--foam); font-family: var(--body);
  font-size: 1.05rem; transition: border-color 0.25s, box-shadow 0.25s;
  border-radius: 0; resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--acid);
  box-shadow: 0 0 0 1px var(--acid), 0 0 30px rgba(var(--acid-rgb), 0.12);
}
.form-status { text-align: center; font-size: 1rem; color: var(--mist); min-height: 1.4em; }
.form-status.is-ok { color: var(--spark); }
.form-alt { text-align: center; color: var(--mist); font-size: 0.95rem; }
.form-alt a { color: var(--acid); }

/* ---------- footer ---------- */
.footer { padding: 4rem clamp(1.25rem, 4vw, 3rem) 2.4rem; border-top: 1px solid var(--hairline); overflow: hidden; }
.footer-mark {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(2.6rem, 10vw, 9.5rem); line-height: 0.95;
  text-align: center; letter-spacing: 0.01em;
  color: transparent; -webkit-text-stroke: 2px rgba(244, 242, 234, 0.28);
  display: flex; align-items: center; justify-content: center;
  transition: -webkit-text-stroke-color 0.5s;
}
.footer-mark:hover { -webkit-text-stroke-color: var(--acid); }
.mark-o.big {
  border-width: 0.09em;
  box-shadow: 0 0 34px rgba(var(--acid-rgb), 0.35);
  margin: 0 0.05em;
}
.mark-o.big::after { animation: sonar 3.4s ease-out infinite; opacity: 0.5; }
.footer-meta {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.6rem;
  margin-top: 3rem; font-family: var(--mono); font-size: 0.74rem;
  letter-spacing: 0.14em; color: var(--mist); text-transform: uppercase;
}
@media (max-width: 640px) {
  .footer-meta {
    flex-direction: column; align-items: center; text-align: center; gap: 0.5rem;
  }
}

/* ---------- case studies page ---------- */
.cs-hero {
  padding-top: clamp(9rem, 20svh, 13rem);
  max-width: 80rem; margin: 0 auto;
}
.cs-title {
  font-family: var(--display); font-weight: 700;
  font-size: min(clamp(3rem, 9.5vw, 9rem), 16svh);
  line-height: 0.95; text-transform: uppercase; letter-spacing: -0.01em;
}
.cs {
  max-width: 80rem; margin: 0 auto;
  padding: clamp(4rem, 9vw, 7rem) clamp(1.25rem, 4vw, 3rem);
  border-top: 1px solid var(--hairline);
}
.cs-head h2 {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 6.2rem); line-height: 0.97;
  text-transform: uppercase; letter-spacing: -0.01em;
  margin-bottom: 2.5rem;
}
.cs-meta {
  display: flex; flex-wrap: wrap;
  gap: 1px; background: var(--hairline);
  border: 1px solid var(--hairline); margin-bottom: clamp(3rem, 6vw, 5rem);
}
.cs-meta > div { flex: 1 1 150px; background: var(--ink); padding: 1.1rem 1.2rem; }
.cs-meta dt {
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--mist); margin-bottom: 0.4rem;
}
.cs-meta dd { font-weight: 600; font-size: 0.98rem; }
.cs-block { margin: clamp(3rem, 6vw, 5rem) 0; }
.cs-label {
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.24em;
  color: var(--acid); margin-bottom: 1.4rem;
}
.cs-prose { max-width: 44rem; }
.cs-prose p { color: var(--mist); margin-bottom: 1.2rem; font-size: clamp(1rem, 1.4vw, 1.15rem); }
.cs-prose p:last-child { margin-bottom: 0; }
.cs-list {
  list-style: none; margin-top: 2.2rem;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.6rem 3rem;
}
@media (max-width: 760px) { .cs-list { grid-template-columns: 1fr; } }
.cs-list li { padding-left: 1.6rem; position: relative; color: var(--mist); }
.cs-list li::before { content: "◦"; position: absolute; left: 0; color: var(--acid); font-weight: 700; }
.cs-list strong { color: var(--foam); font-weight: 600; }
.cs-shots { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin: clamp(3rem, 6vw, 5rem) 0; }
@media (max-width: 760px) { .cs-shots { grid-template-columns: 1fr; } }
.shot { border: 1px solid var(--hairline); background: var(--ink-2); transition: border-color 0.4s, transform 0.4s cubic-bezier(0.16,1,0.3,1); }
.shot:hover { border-color: rgba(var(--acid-rgb), 0.45); transform: translateY(-6px); }
.shot { display: flex; flex-direction: column; }
.shot img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: left top; }
.cs-shots-tall .shot img { aspect-ratio: 5 / 4; object-position: center top; }
.shot figcaption { margin-top: auto; }
.shot figcaption {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--mist); padding: 0.9rem 1.1rem;
  border-top: 1px solid var(--hairline);
}
.cs-split { display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem; align-items: center; }
@media (max-width: 860px) { .cs-split { grid-template-columns: 1fr; } }
.cs-next {
  max-width: 80rem; margin: 0 auto; text-align: left;
  border-top: 1px solid var(--hairline);
}
.cs-next-title {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(2.8rem, 8vw, 7rem); line-height: 0.95;
  text-transform: uppercase; margin-bottom: 1.6rem;
}
.cs-next .btn { margin-top: 1.4rem; }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .hero-title .word { transform: none; }
  .reveal { opacity: 1; transform: none; }
  .noise { animation: none; }
}