/* ===========================================================
   SWISS EDITORIAL — Wisdom Chukwuma
   Light paper ground, single decisive red accent, hard edges.
   No border-radius. No box-shadow. No blur. No gradients.
   =========================================================== */

:root {
  --paper: #f6f3ec;
  --paper-2: #efeae0;
  --ink: #111111;
  --ink-70: rgba(17, 17, 17, 0.7);
  --ink-50: rgba(17, 17, 17, 0.5);
  --ink-30: rgba(17, 17, 17, 0.3);
  --ink-12: rgba(17, 17, 17, 0.12);
  --red: #d1291a;
  --paper-on-dark: #f6f3ec;
  --paper-on-dark-70: rgba(246, 243, 236, 0.7);
  --paper-on-dark-30: rgba(246, 243, 236, 0.3);
  --paper-on-dark-12: rgba(246, 243, 236, 0.14);

  --display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'Space Mono', 'SFMono-Regular', Consolas, monospace;

  --gutter: clamp(20px, 5vw, 64px);
  --rule: 1px solid var(--ink);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--display);
  font-weight: 500;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  z-index: 999;
  font-family: var(--mono);
}
.skip-link:focus { left: var(--gutter); }

/* ---------- utility ---------- */
.rule {
  border: none;
  border-top: var(--rule);
  width: 100%;
  margin: clamp(28px, 5vw, 56px) 0;
}
.rule--light { border-top-color: var(--paper-on-dark-30); }

.accent-dot { color: var(--red); }

.tag-row {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
}
.tag-row li {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border: 1px solid var(--ink-30);
  padding: 6px 10px;
}
.section--dark .tag-row li,
.section--dark .tag-row { border-color: var(--paper-on-dark-30); }

.body-copy {
  font-size: clamp(0.98rem, 1.3vw, 1.15rem);
  max-width: 62ch;
  color: var(--ink-70);
  font-weight: 500;
}
.section--dark .body-copy { color: var(--paper-on-dark-70); }

.editorial-head {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  max-width: 20ch;
}

.dim { color: var(--ink-50); font-weight: 500; font-size: 0.55em; display: inline-block; }

/* ===========================================================
   HEADER / NAV
   =========================================================== */
.site-head {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: var(--rule);
}
.head-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px var(--gutter);
  gap: 16px;
}
.wordmark {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.72rem;
  line-height: 1.3;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  flex-shrink: 0;
}
.site-nav {
  display: flex;
  gap: clamp(10px, 2vw, 26px);
  flex-wrap: wrap;
  justify-content: flex-end;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.site-nav a {
  white-space: nowrap;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}
.site-nav a:hover { border-bottom-color: var(--ink); }
.site-nav .n { color: var(--red); margin-right: 4px; }

.nav-toggle {
  display: none;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: none;
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 8px 14px;
  cursor: pointer;
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: var(--rule);
    flex-direction: column;
    gap: 0;
    padding: 8px var(--gutter) 18px;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 10px 0; border-bottom: 1px solid var(--ink-12); }
}

/* ===========================================================
   HERO
   =========================================================== */
.hero {
  padding: clamp(40px, 8vw, 96px) var(--gutter) 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--red);
  margin: 0 0 14px;
}
.hero-title {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(3rem, 11vw, 8.5rem);
  line-height: 0.92;
  letter-spacing: -0.02em;
  margin: 0 0 clamp(24px, 5vw, 48px);
  text-transform: uppercase;
}
.hero-side {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 780px;
  margin-left: auto;
  padding-bottom: clamp(32px, 6vw, 56px);
  border-top: var(--rule);
  padding-top: 28px;
}
.hero-statement {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.35;
  margin: 0;
  max-width: 42ch;
}
.hero-status {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink-70);
  margin: 0;
  max-width: 40ch;
}
.hero-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.85rem;
  text-transform: uppercase;
}
.hero-links a { border-bottom: 1px solid var(--ink); padding-bottom: 2px; }
.hero-links a:hover { color: var(--red); border-bottom-color: var(--red); }

@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-side { grid-template-columns: 1.3fr 0.9fr; align-items: end; }
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: var(--rule);
  margin: clamp(32px, 6vw, 56px) 0 0;
  padding: 0;
}
.stat-strip > div {
  border-right: 1px solid var(--ink-12);
  border-bottom: 1px solid var(--ink-12);
  padding: 18px 18px 22px;
}
.stat-strip > div:nth-child(2n) { border-right: none; }
.stat-strip dt {
  font-family: var(--mono);
  color: var(--red);
  font-size: 0.8rem;
  margin: 0 0 8px;
}
.stat-strip dd {
  margin: 0;
  font-weight: 800;
  font-size: clamp(0.95rem, 1.6vw, 1.2rem);
  letter-spacing: -0.01em;
}
@media (min-width: 700px) {
  .stat-strip { grid-template-columns: repeat(4, 1fr); }
  .stat-strip > div { border-right: 1px solid var(--ink-12); border-bottom: none; }
  .stat-strip > div:last-child { border-right: none; }
}

/* ===========================================================
   INTERACTIVE 3D DEMO STRIP (wireframe, drag to rotate)
   =========================================================== */
.wire-strip {
  border-top: var(--rule);
  border-bottom: var(--rule);
  padding: clamp(28px, 5vw, 44px) var(--gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(28px, 5vw, 56px);
}
.wire-strip-scene {
  flex: 0 0 auto;
  perspective: 700px;
  width: 110px;
  height: 110px;
}
.wire-strip-stage {
  width: 110px;
  height: 110px;
  position: relative;
  transform-style: preserve-3d;
  cursor: grab;
  touch-action: none;
  transform: rotateX(-18deg) rotateY(0deg);
}
.wire-strip-stage.dragging { cursor: grabbing; }
.wire-face {
  position: absolute;
  width: 110px;
  height: 110px;
  border: 1.5px solid var(--ink);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6px;
}
.wire-face span {
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink-70);
  line-height: 1.3;
}
.wire-face--front { transform: translateZ(55px); }
.wire-face--front span { color: var(--red); }
.wire-face--back { transform: rotateY(180deg) translateZ(55px); }
.wire-face--right { transform: rotateY(90deg) translateZ(55px); }
.wire-face--left { transform: rotateY(-90deg) translateZ(55px); }
.wire-face--top { transform: rotateX(90deg) translateZ(55px); }
.wire-face--bottom { transform: rotateX(-90deg) translateZ(55px); }

.wire-strip-text {
  flex: 1 1 260px;
  min-width: 0;
}
.wire-strip-caption {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--ink);
  font-weight: 700;
  margin: 0 0 8px;
}
.wire-strip-caption span {
  color: var(--red);
  margin-right: 8px;
}
.wire-strip-sub {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-70);
  margin: 0;
  max-width: 48ch;
}

@media (max-width: 480px) {
  .wire-strip { gap: 20px; }
  .wire-strip-scene, .wire-strip-stage, .wire-face { width: 92px; height: 92px; }
  .wire-face--front, .wire-face--back { transform: translateZ(46px); }
  .wire-face--back { transform: rotateY(180deg) translateZ(46px); }
  .wire-face--right { transform: rotateY(90deg) translateZ(46px); }
  .wire-face--left { transform: rotateY(-90deg) translateZ(46px); }
  .wire-face--top { transform: rotateX(90deg) translateZ(46px); }
  .wire-face--bottom { transform: rotateX(-90deg) translateZ(46px); }
}

/* ===========================================================
   SECTION SHELL
   =========================================================== */
.section {
  padding: clamp(56px, 9vw, 120px) var(--gutter);
  border-bottom: var(--rule);
}
.section--dark {
  background: var(--ink);
  color: var(--paper-on-dark);
}
.section--dark .section-title { color: var(--paper-on-dark); }
.section--dark .rule { border-top-color: var(--paper-on-dark-30); }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: clamp(28px, 5vw, 48px);
}
.section-num {
  font-family: var(--mono);
  color: var(--red);
  font-size: clamp(0.9rem, 1.6vw, 1.1rem);
  font-weight: 700;
}
.section-title {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  letter-spacing: -0.02em;
  line-height: 0.98;
  margin: 0;
  text-transform: uppercase;
  flex: 1 1 auto;
}
.section-sub {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink-70);
  max-width: 55ch;
  margin: -20px 0 40px;
}

.live-tag, .status {
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  border: 1px solid var(--ink);
  padding: 6px 12px;
  white-space: nowrap;
}
.live-tag { color: var(--red); border-color: var(--red); }
.status-live { color: var(--red); border-color: var(--red); }
.status-dev { color: var(--ink-70); }

.confidential-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid var(--paper-on-dark-30);
  padding: 6px 12px;
  color: var(--paper-on-dark-70);
}

/* ===========================================================
   WISCOT
   =========================================================== */
.wiscot-intro { max-width: 900px; }

.feature-trio {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 760px) {
  .feature-trio { grid-template-columns: repeat(2, 1fr); gap: 0; }
  .feature-trio .feature { border-right: 1px solid var(--ink-12); border-bottom: 1px solid var(--ink-12); padding: 0 28px 28px; }
  .feature-trio .feature:nth-child(odd) { padding-left: 0; }
  .feature-trio .feature:nth-child(even) { border-right: none; }
  .feature-trio .feature:nth-child(3), .feature-trio .feature:nth-child(4) { border-bottom: none; padding-top: 28px; }
  .feature-trio .feature:nth-child(1), .feature-trio .feature:nth-child(2) { padding-top: 0; }
}
.feature-num {
  font-family: var(--mono);
  color: var(--red);
  font-size: 0.85rem;
}
.feature h4 {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.15rem;
  margin: 8px 0 10px;
}
.feature p {
  font-size: 0.95rem;
  color: var(--ink-70);
  margin: 0;
}
.section--dark .feature p { color: var(--paper-on-dark-70); }

/* ---------- plate grid (screenshots) ---------- */
.plate-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(14px, 2vw, 24px);
  margin: 0;
  padding: 0;
  list-style: none;
}
@media (min-width: 620px) {
  .plate-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1000px) {
  .plate-grid { grid-template-columns: repeat(6, 1fr); }
  .plate-grid--phone { grid-template-columns: repeat(5, 1fr); }
}
.plate-grid--wide { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 640px) {
  .plate-grid--wide { grid-template-columns: repeat(3, 1fr); }
}

.plate {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.plate img {
  display: block;
  width: 100%;
  height: auto;
  min-width: 0;
  border: 1.5px solid var(--ink);
  background: var(--paper-2);
}
.section--dark .plate img { border-color: var(--paper-on-dark-30); }
.section--dark .plate figcaption { color: var(--paper-on-dark-70); }
.plate figcaption {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--ink-70);
  margin-top: 8px;
}
.plate figcaption span { color: var(--red); margin-right: 4px; }

/* ===========================================================
   PRODUCTS
   =========================================================== */
.product-block { max-width: 1100px; margin: 0 0 clamp(32px, 5vw, 48px); }
.product-head {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.product-head .editorial-head { margin-bottom: 0; }

/* StudyPath stat block */
.stat-block {
  margin-top: 32px;
  border-top: var(--rule);
  padding-top: 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 720px) {
  .stat-block { grid-template-columns: auto 1fr; align-items: center; }
}
.big-stat-main, .stat-block-main {
  display: flex;
  gap: clamp(24px, 5vw, 56px);
  flex-wrap: wrap;
}
.big-stat { display: flex; flex-direction: column; }
.big-stat-num {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(2.6rem, 6vw, 4rem);
  line-height: 1;
  letter-spacing: -0.02em;
}
.big-stat-num .unit { font-size: 0.4em; font-weight: 700; }
.big-stat-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--ink-70);
  margin-top: 6px;
}

.chapter-progress { min-width: 240px; }
.cp-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--ink-70);
  margin-bottom: 10px;
}
.cp-steps {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 6px;
}
.cp-step {
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.75rem;
}
.cp-step.is-done { background: var(--ink); color: var(--paper); }
.cp-step.is-active { border-color: var(--red); color: var(--red); font-weight: 700; }

/* ===========================================================
   CLIENT WORK
   =========================================================== */
.client-body { max-width: 900px; }
.feature-bullets {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.feature-bullets li {
  position: relative;
  padding-left: 26px;
  font-size: 0.95rem;
  color: var(--paper-on-dark-70);
}
.feature-bullets li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--red);
}
.note {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--paper-on-dark-70);
  margin-top: 26px;
  max-width: 60ch;
}

.quote-stack-head {
  font-family: var(--mono);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--red);
  margin: 0 0 28px;
}
.quote-stack { display: flex; flex-direction: column; gap: 30px; }
.pull-quote {
  margin: 0;
  padding-left: clamp(18px, 3vw, 28px);
  border-left: 3px solid var(--red);
  max-width: 820px;
}
.pull-quote p {
  margin: 0;
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.005em;
}
.pull-quote code {
  font-family: var(--mono);
  background: var(--paper-on-dark-12);
  padding: 1px 6px;
  font-size: 0.85em;
}

/* ===========================================================
   AI & CREATIVE
   =========================================================== */
.wappy-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
  margin-bottom: clamp(40px, 6vw, 64px);
}
@media (min-width: 900px) {
  .wappy-block { grid-template-columns: 0.8fr 1.2fr; align-items: start; }
}
.wappy-plates {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(14px, 2vw, 24px);
}
.wappy-plate img {
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border: 2px solid var(--ink);
}
.wappy-plate figcaption {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--ink-70);
  margin-top: 10px;
}
.wappy-plate figcaption span { color: var(--red); margin-right: 6px; }

.ai-two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
}
.ai-two-col > * { min-width: 0; }
@media (min-width: 760px) {
  .ai-two-col { grid-template-columns: repeat(3, 1fr); }
}
.ai-item h4 {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.3rem;
  margin: 0 0 12px;
}
.ai-item p {
  font-size: 0.95rem;
  color: var(--ink-70);
  max-width: 60ch;
  margin: 0;
}
.ai-item .plate-grid { margin-top: 22px; }

/* ===========================================================
   MORE PROJECTS
   =========================================================== */
.more-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: var(--rule);
  border-left: var(--rule);
}
@media (min-width: 700px) {
  .more-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1080px) {
  .more-grid { grid-template-columns: repeat(3, 1fr); }
}
.more-grid li {
  border-right: var(--rule);
  border-bottom: var(--rule);
  padding: 26px 24px;
}
.more-num {
  font-family: var(--mono);
  color: var(--red);
  font-size: 0.8rem;
}
.more-grid h4 {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.05rem;
  margin: 10px 0 8px;
}
.more-grid p {
  font-size: 0.88rem;
  color: var(--ink-70);
  margin: 0;
}

/* ===========================================================
   SKILLS
   =========================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 700px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1080px) {
  .skills-grid { grid-template-columns: repeat(4, 1fr); }
}
.skill-group {
  border-top: 2px solid var(--ink);
  padding-top: 16px;
}
.skill-group h4 {
  font-family: var(--mono);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--red);
  margin: 0 0 14px;
}
.skill-group ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.skill-group li {
  font-weight: 700;
  font-size: 0.98rem;
}

/* ===========================================================
   FOOTER
   =========================================================== */
.site-foot {
  background: var(--ink);
  color: var(--paper-on-dark);
  padding: clamp(56px, 9vw, 120px) var(--gutter) clamp(28px, 4vw, 40px);
}
.site-foot .section-title { color: var(--paper-on-dark); }
.foot-cta {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(2.8rem, 9vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: 0 0 24px;
}
.foot-sub {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--paper-on-dark-70);
  max-width: 46ch;
  margin: 0 0 36px;
  font-weight: 600;
}
.foot-links {
  list-style: none;
  margin: 0 0 clamp(48px, 8vw, 88px);
  padding: 0;
  border-top: 1px solid var(--paper-on-dark-30);
}
.foot-links li { border-bottom: 1px solid var(--paper-on-dark-30); }
.foot-links a {
  display: inline-block;
  padding: 18px 0;
  font-family: var(--mono);
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  text-transform: lowercase;
}
.foot-links a:hover { color: var(--red); }
.foot-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--paper-on-dark-70);
}

/* ===========================================================
   REVEAL ANIMATION (progressive enhancement)
   =========================================================== */
[data-reveal] {
  opacity: 1;
}
[data-reveal].pre-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

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