/* ==========================================================================
   built by alish_ — design system lifted straight from the business card
   cream front / ink back / electric blue accent
   ========================================================================== */

:root {
  --cream: #f5f1e8;
  --cream-soft: #efe9dc;
  --ink: #15161c;
  --ink-soft: #1d1f27;
  --blue: #3b5bf0;         /* the underscore + link blue */
  --periwinkle: #8b9bf7;   /* the italic "by" blue */
  --grey: #6f6c64;         /* muted mono text on cream */
  --grey-dark: #8a8d99;    /* muted mono text on ink */
  --line: rgba(21, 22, 28, 0.12);
  --line-light: rgba(245, 241, 232, 0.14);

  --font-sans: "Space Grotesk", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --container: 1160px;
  --pad: clamp(1.25rem, 4vw, 3rem);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
}

em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}

::selection { background: var(--blue); color: var(--cream); }

/* ---------- kicker / section labels ---------- */

.kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 1.25rem;
}

.section-dark .kicker { color: var(--grey-dark); }

/* ---------- the signature underscore ---------- */

.underscore {
  display: inline-block;
  width: 0.9em;
  height: 0.16em;
  background: var(--blue);
  margin-left: 0.12em;
  transform: translateY(-0.02em);
}

.underscore.sm { width: 0.7em; height: 0.14em; }

/* ---------- registration marks (card corners) ---------- */

.reg-mark {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 300;
  color: currentColor;
  opacity: 0.22;
  line-height: 1;
  pointer-events: none;
}

.reg-mark.tl { top: 1.5rem; left: 1.5rem; }
.reg-mark.tr { top: 1.5rem; right: 1.5rem; }
.reg-mark.bl { bottom: 1.5rem; left: 1.5rem; }
.reg-mark.br { bottom: 1.5rem; right: 1.5rem; }

/* ==========================================================================
   NAV
   ========================================================================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--cream) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1rem var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.logo em { color: var(--periwinkle); font-size: 1.05em; margin: 0 0.05em; }

.cursor {
  color: var(--blue);
  font-weight: 700;
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
}

.nav-links a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav-links a:not(.nav-cta):hover::after { transform: scaleX(1); }

.nav-cta {
  background: var(--ink);
  color: var(--cream) !important;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  transition: background 0.2s ease;
}

.nav-cta:hover { background: var(--blue); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ==========================================================================
   HERO
   ========================================================================== */

.hero {
  position: relative;
  padding: clamp(4rem, 10vh, 8rem) 0 0;
  color: var(--ink);
}

.nb { white-space: nowrap; }

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.55rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin: 0 0 2.5rem;
}

.hero-title > span { display: block; }

.hero-title em { color: var(--blue); letter-spacing: -0.01em; }

.hero-bottom {
  display: flex;
  gap: 3rem;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  padding-bottom: clamp(3rem, 8vh, 5rem);
}

.hero-sub {
  max-width: 34rem;
  font-size: 1.08rem;
  color: #3d3e46;
}

.hero-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.98rem;
  text-decoration: none;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  transition: transform 0.18s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--ink); }

.btn-ghost {
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--cream); }

.btn-light { background: var(--cream); color: var(--ink); }
.btn-light:hover { background: var(--blue); color: #fff; }

.btn-ghost-light {
  color: var(--cream);
  border: 1.5px solid rgba(245, 241, 232, 0.4);
}
.btn-ghost-light:hover { border-color: var(--cream); background: rgba(245, 241, 232, 0.08); }

.hero-meta { border-top: 1px solid var(--line); }

.hero-meta-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
  color: var(--grey);
}

/* ==========================================================================
   TICKER
   ========================================================================== */

.ticker {
  background: var(--blue);
  color: var(--cream);
  overflow: hidden;
  padding: 0.7rem 0;
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker 30s linear infinite;
}

.ticker-track span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  white-space: nowrap;
  padding-right: 0.5rem;
}

.ticker-track i {
  font-style: normal;
  color: var(--periwinkle);
  padding: 0 0.6rem;
}

@keyframes ticker { to { transform: translateX(-50%); } }

/* ==========================================================================
   WORK  (dark — the back of the card)
   ========================================================================== */

.section-dark {
  position: relative;
  background: var(--ink);
  color: var(--cream);
}

.work { padding: clamp(4rem, 10vh, 7rem) 0; }

.section-head { margin-bottom: clamp(3rem, 7vh, 4.5rem); }

.section-head h2,
.contact-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
}

.project {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1rem;
  padding: clamp(2.5rem, 6vh, 4rem) 0;
  border-top: 1px solid var(--line-light);
}

.project-index {
  color: var(--periwinkle);
  font-weight: 700;
  font-size: 0.95rem;
  padding-top: 0.5rem;
}

.project-body {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.project-text h3 {
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.project-link {
  color: inherit;
  text-decoration: none;
  background-image: linear-gradient(var(--periwinkle), var(--periwinkle));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 2px;
  transition: background-size 0.25s ease;
}

.project-link:hover { background-size: 100% 2px; }

.project-cta {
  display: inline-block;
  margin-top: 1.5rem;
  color: var(--periwinkle);
  text-decoration: none;
  font-weight: 500;
}

.project-cta:hover { color: var(--cream); }

.project-tagline {
  color: var(--periwinkle);
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.project-text p:not(.project-tagline) {
  color: #c9c5ba;
  margin-bottom: 1rem;
  max-width: 32rem;
}

.project-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.project-tags li {
  border: 1px solid var(--line-light);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-size: 0.72rem;
  color: var(--grey-dark);
}

.work-note {
  margin-top: 3rem;
  color: var(--grey-dark);
}

.work-note a { color: var(--periwinkle); text-decoration: none; }
.work-note a:hover { color: var(--cream); }

/* ---------- project mockups (pure CSS) ---------- */

.project-visual { display: flex; justify-content: center; }

.mock {
  background: var(--ink-soft);
  border: 1px solid var(--line-light);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.4s ease;
}

.project:hover .mock { transform: translateY(-6px) rotate(-0.5deg); }

.mock-browser { width: min(100%, 420px); }

.mock-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line-light);
}

.mock-bar i {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(245, 241, 232, 0.25);
}

.mock-bar span {
  margin-left: 10px;
  font-size: 0.62rem;
  color: var(--grey-dark);
  letter-spacing: 0.1em;
}

.mock-browser .mock-screen { padding: 22px; background: var(--cream); }

.mock-hero-line {
  height: 14px; width: 70%;
  background: var(--ink);
  border-radius: 4px;
  margin-bottom: 8px;
}

.mock-hero-line.short { width: 45%; opacity: 0.35; margin-bottom: 18px; }

.mock-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 18px; }

.mock-card { background: #fff; border-radius: 8px; padding: 8px; box-shadow: 0 1px 4px rgba(21,22,28,0.08); }

.mock-img { height: 52px; border-radius: 5px; margin-bottom: 8px; }

.petal    { background: linear-gradient(135deg, #f2a2b8, #e56a8e); }
.petal.p2 { background: linear-gradient(135deg, #f7c88a, #ef9d55); }
.petal.p3 { background: linear-gradient(135deg, #b5a2f2, #8b6ae5); }

.mock-line { height: 7px; border-radius: 3px; background: rgba(21,22,28,0.2); }

.mock-btn { height: 26px; width: 40%; background: var(--blue); border-radius: 999px; }

.mock-phone {
  width: min(70%, 220px);
  border-radius: 28px;
  position: relative;
  padding: 10px;
}

.mock-notch {
  position: absolute;
  top: 16px; left: 50%;
  transform: translateX(-50%);
  width: 60px; height: 8px;
  border-radius: 999px;
  background: rgba(245,241,232,0.15);
  z-index: 2;
}

.mock-phone .mock-screen {
  background: var(--cream);
  border-radius: 20px;
  padding: 34px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mock-app-head { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }

.mock-dot { width: 22px; height: 22px; border-radius: 50%; background: var(--blue); flex-shrink: 0; }

.mock-shift {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border-radius: 10px;
  padding: 10px;
  box-shadow: 0 1px 4px rgba(21,22,28,0.08);
}

.mock-shift.active { outline: 2px solid var(--blue); }

.mock-pill { width: 26px; height: 10px; border-radius: 999px; background: var(--periwinkle); flex-shrink: 0; }

.mock-shift.active .mock-pill { background: var(--blue); }

.w60 { width: 60%; } .w70 { width: 70%; } .w80 { width: 80%; }

.mock-tabbar {
  display: flex;
  justify-content: space-around;
  padding: 8px 0 2px;
  margin-top: 4px;
  border-top: 1px solid rgba(21,22,28,0.1);
}

.mock-tabbar i { width: 12px; height: 12px; border-radius: 3px; background: rgba(21,22,28,0.18); }
.mock-tabbar i.on { background: var(--blue); }

/* ==========================================================================
   SERVICES
   ========================================================================== */

.services { padding: clamp(4rem, 10vh, 7rem) 0; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 2rem 1.75rem 2.25rem;
  transition: background 0.25s ease;
}

.service:hover { background: var(--cream-soft); }

.service-num { color: var(--blue); font-weight: 700; display: block; margin-bottom: 1.4rem; }

.service h3 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.6rem;
}

.service p { color: #4a4b53; font-size: 0.95rem; }

/* ==========================================================================
   ABOUT
   ========================================================================== */

.about {
  position: relative;
  background: var(--cream-soft);
  padding: clamp(4rem, 10vh, 7rem) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.about h2 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.about-lead {
  font-size: 1.35rem;
  line-height: 1.45;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
}

.about-lead em { color: var(--blue); }

.about-text > p:not(.about-lead):not(.kicker) {
  color: #4a4b53;
  margin-bottom: 1rem;
  max-width: 36rem;
}

.about-principles {
  margin-top: 2.5rem;
  display: grid;
  gap: 1rem;
}

.principle {
  display: flex;
  gap: 1.1rem;
  align-items: baseline;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.principle .mono { color: var(--blue); font-weight: 700; }

.principle p { color: #4a4b53; font-size: 0.97rem; }
.principle strong { color: var(--ink); }

.about-side { display: grid; gap: 1.5rem; }

.stack-card {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.75rem;
}

.stack-title {
  color: var(--grey);
  font-weight: 700;
  margin-bottom: 1.1rem;
}

.stack-list { list-style: none; display: grid; gap: 0.55rem; }

.stack-list li {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--ink);
  padding-left: 1.2rem;
  position: relative;
}

.stack-list li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}

/* ---------- mini business-card replica ---------- */

.card-replica {
  position: relative;
  background: var(--ink);
  color: var(--cream);
  border-radius: 14px;
  padding: 2rem 1.75rem 1.6rem;
  aspect-ratio: 1.7;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: 0 18px 40px -18px rgba(21, 22, 28, 0.45);
  transform: rotate(-1.2deg);
  transition: transform 0.35s ease;
}

.card-replica:hover { transform: rotate(0deg) scale(1.02); }

.cr-mark {
  position: absolute;
  font-family: var(--font-mono);
  opacity: 0.3;
  font-size: 1rem;
}

.cr-mark.tl { top: 0.8rem; left: 0.9rem; }
.cr-mark.br { bottom: 0.8rem; right: 0.9rem; }

.cr-code {
  position: absolute;
  top: 0.8rem; right: 0.9rem;
  color: var(--grey-dark);
  font-size: 0.75rem;
}

.cr-logo {
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.cr-logo em { color: var(--periwinkle); }

.cr-underscore {
  display: inline-block;
  width: 0.8em;
  height: 0.15em;
  background: var(--blue);
  margin-left: 0.1em;
}

.cr-name { font-weight: 700; font-size: 0.72rem; }

.cr-role { color: var(--grey-dark); font-size: 0.62rem; margin-top: 0.2rem; }

/* ==========================================================================
   CONTACT
   ========================================================================== */

.contact {
  padding: clamp(5rem, 14vh, 9rem) 0;
  text-align: center;
}

.contact .kicker { text-align: center; }

.contact-title { margin-bottom: 1.5rem; }

.contact-sub {
  max-width: 34rem;
  margin: 0 auto 2.5rem;
  color: #c9c5ba;
  font-size: 1.05rem;
}

.contact-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

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

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--grey);
  text-decoration: none;
  padding: 0.4rem 0.9rem 0.4rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.breadcrumb:hover { color: var(--blue); border-color: var(--blue); background: var(--cream-soft); }

/* ---------- hero ---------- */

.case-hero {
  position: relative;
  padding: clamp(2.5rem, 7vh, 4.5rem) 0 clamp(3rem, 7vh, 4.5rem);
  overflow: hidden;
}

.case-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -10%;
  width: 45%;
  height: 160%;
  background: radial-gradient(circle at center, rgba(59, 91, 240, 0.08), transparent 70%);
  pointer-events: none;
}

.case-hero-top {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  align-items: end;
  gap: clamp(2rem, 5vw, 4rem);
  margin-top: 2.25rem;
}

.case-title {
  font-size: clamp(2.6rem, 6.5vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.0;
  margin-bottom: 1.25rem;
}

.case-tagline {
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
  line-height: 1.55;
  color: #3d3e46;
  max-width: 38rem;
}

.case-meta {
  list-style: none;
  display: grid;
  gap: 0;
  background: var(--cream-soft);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.5rem 1.5rem;
}

.case-meta li {
  display: grid;
  gap: 0.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.case-meta li:last-child { border-bottom: none; }

.case-meta .label { color: var(--grey); font-size: 0.68rem; }

.case-meta .value { font-size: 0.95rem; font-weight: 500; letter-spacing: 0; font-family: var(--font-sans); }

.case-links { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.case-links .btn { width: 100%; justify-content: center; }

/* ---------- stats band ---------- */

.case-stats {
  background: var(--ink);
  color: var(--cream);
}

.case-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat {
  padding: clamp(2rem, 5vh, 3.25rem) 1.5rem;
  border-right: 1px solid var(--line-light);
  display: grid;
  gap: 0.4rem;
}

.stat:last-child { border-right: none; }

.stat .num {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat .num em { color: var(--periwinkle); }

.stat .lbl { color: var(--grey-dark); font-size: 0.72rem; }

/* ---------- gallery ---------- */

.case-gallery {
  padding: clamp(3rem, 8vh, 5.5rem) 0;
}

.gallery-primary {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  margin-bottom: 0.9rem;
  background: var(--cream-soft);
  box-shadow: 0 30px 60px -30px rgba(21, 22, 28, 0.28);
}

.gallery-primary img,
.gallery-grid img {
  display: block;
  width: 100%;
  height: auto;
}

/* browser-chrome wrapper for the primary shot */

.browser-frame { background: var(--ink); }

.frame-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 16px;
  background: var(--ink);
}

.frame-bar i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(245, 241, 232, 0.28);
}

.frame-bar span {
  margin-left: 12px;
  font-size: 0.66rem;
  color: var(--grey-dark);
  letter-spacing: 0.08em;
}

.browser-frame img { border-top: 1px solid var(--line-light); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.gallery-grid.trio { grid-template-columns: repeat(3, 1fr); }

.gallery-grid figure,
.gallery-primary figure {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--cream-soft);
}

.gallery-grid > figure,
.gallery-grid > div {
  transition: transform 0.35s ease;
}

.gallery-grid > figure:hover,
.gallery-grid > div:hover { transform: translateY(-6px); }

.gallery-caption {
  margin-top: 0.6rem;
  color: var(--grey);
  font-size: 0.72rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.gallery-caption::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: var(--blue);
}

/* ---------- section shell ---------- */

.case-section {
  padding: clamp(3.5rem, 8vh, 5.5rem) 0;
}

.case-section + .case-section { padding-top: 0; }

.case-section.alt {
  background: var(--cream-soft);
  padding: clamp(3.5rem, 8vh, 5.5rem) 0;
}

.case-section.alt + .case-section { padding-top: clamp(3.5rem, 8vh, 5.5rem); }

.case-section-head {
  margin-bottom: 2.5rem;
  display: grid;
  gap: 0.5rem;
}

.section-index {
  color: var(--blue);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

.case-section-head h2 {
  font-size: clamp(1.8rem, 3.8vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  max-width: 20ch;
}

.case-columns {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 4.5rem);
}

.case-columns p {
  color: #3d3e46;
  margin-bottom: 1rem;
  font-size: 1.02rem;
  line-height: 1.65;
}

.case-columns p:last-child { margin-bottom: 0; }

.case-label {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- feature cards ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature-card {
  position: relative;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.75rem 1.6rem 1.9rem;
  overflow: hidden;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.case-section.alt .feature-card { background: var(--cream); }

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px -22px rgba(21, 22, 28, 0.3);
  border-color: transparent;
}

.feature-card:hover::before { transform: scaleX(1); }

.feature-num {
  color: var(--blue);
  font-weight: 700;
  font-size: 1.05rem;
  display: block;
}

.feature-card h3 {
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 1rem 0 0.55rem;
}

.feature-card p { color: #4a4b53; font-size: 0.93rem; line-height: 1.6; }

/* ---------- tech stack (dark) ---------- */

.case-stack-section {
  background: var(--ink);
  color: var(--cream);
  padding: clamp(3.5rem, 8vh, 5rem) 0;
}

.case-stack-section .section-index { color: var(--periwinkle); }

.case-stack-section h2 {
  font-size: clamp(1.8rem, 3.8vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.case-stack {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.case-stack li {
  border: 1px solid var(--line-light);
  border-radius: 999px;
  padding: 0.6rem 1.25rem;
  font-size: 0.8rem;
  color: var(--cream);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.case-stack li:hover { border-color: var(--periwinkle); background: var(--ink-soft); }

/* ---------- CTA band ---------- */

.case-cta {
  position: relative;
  background: var(--blue);
  color: #fff;
  padding: clamp(3.5rem, 9vh, 6rem) 0;
  text-align: center;
  overflow: hidden;
}

.case-cta .reg-mark { color: #fff; opacity: 0.3; }

.case-cta h2 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 1rem;
}

.case-cta h2 em { color: var(--cream); }

.case-cta p {
  max-width: 34rem;
  margin: 0 auto 2rem;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.05rem;
}

.case-cta .btn-light { background: var(--ink); color: var(--cream); }
.case-cta .btn-light:hover { background: var(--cream); color: var(--ink); }

/* ---------- prev / next ---------- */

.case-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.case-nav a {
  padding: clamp(2rem, 5vh, 3rem) var(--pad);
  color: var(--cream);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: background 0.2s ease;
}

.case-nav a:hover { background: var(--ink-soft); }

.case-nav .prev { border-right: 1px solid var(--line-light); align-items: flex-start; }
.case-nav .next { align-items: flex-end; text-align: right; }

.case-nav .dir { color: var(--periwinkle); font-size: 0.72rem; }

.case-nav .proj { font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 700; letter-spacing: -0.02em; }

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
  background: var(--cream);
  border-top: 1px solid var(--line);
  padding: 1.5rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.logo-sm { font-size: 1.05rem; }

.footer .mono { color: var(--grey); font-size: 0.68rem; }

.back-top { color: var(--ink); text-decoration: none; font-size: 0.68rem; }
.back-top:hover { color: var(--blue); }

/* ==========================================================================
   REVEAL ANIMATIONS
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.in { opacity: 1; transform: none; }

.d1 { transition-delay: 0.05s; }
.d2 { transition-delay: 0.13s; }
.d3 { transition-delay: 0.21s; }
.d4 { transition-delay: 0.29s; }
.d5 { transition-delay: 0.4s; }
.d6 { transition-delay: 0.5s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .ticker-track { animation: none; }
  .cursor { animation: none; }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 900px) {
  .project-body { grid-template-columns: 1fr; }
  .project-visual { justify-content: flex-start; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .case-columns { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-grid.trio { grid-template-columns: repeat(2, 1fr); }
  .case-hero-top { grid-template-columns: 1fr; align-items: start; }
  .case-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line-light); }
}

@media (max-width: 640px) {
  .nav-links {
    position: fixed;
    inset: 61px 0 auto 0;
    background: var(--cream);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.5rem var(--pad) 1.25rem;
    transform: translateY(-130%);
    transition: transform 0.3s ease;
    z-index: 90;
  }

  .nav-links.open { transform: translateY(0); }

  .nav-links a { padding: 0.8rem 0; font-size: 1.1rem; width: 100%; }

  .nav-cta { text-align: center; margin-top: 0.5rem; padding: 0.8rem 1.1rem; }

  .nav-toggle { display: flex; }

  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

  .project { grid-template-columns: 1fr; gap: 0.5rem; }

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

  .reg-mark { font-size: 1.1rem; }
  .reg-mark.tl { top: 1rem; left: 1rem; }
  .reg-mark.tr { top: 1rem; right: 1rem; }
  .reg-mark.bl { bottom: 1rem; left: 1rem; }
  .reg-mark.br { bottom: 1rem; right: 1rem; }

  .hero-meta-inner { flex-direction: column; gap: 0.4rem; }

  .footer-inner { flex-direction: column; text-align: center; }

  .feature-grid { grid-template-columns: 1fr; }
  .gallery-grid.trio { grid-template-columns: 1fr; }
  .case-stats-grid { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--line-light); }
  .stat:last-child { border-bottom: none; }
  .case-nav { grid-template-columns: 1fr; }
  .case-nav .prev { border-right: none; border-bottom: 1px solid var(--line-light); }
  .case-nav .next { align-items: flex-start; text-align: left; }
}