/* ============================================================
   Nadia Voss — Design Tokens
   ============================================================ */
:root {
  --ink: #101014;
  --ink-soft: #2b2b30;
  --paper: #f3f1ea;
  --paper-dim: #e8e5da;
  --paper-line: rgba(16, 16, 20, 0.12);
  --signal: #d7ff3e;
  --signal-dim: #aedc1e;
  --gray: #86867c;

  --font-display: "Unbounded", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --text-hero: clamp(2.6rem, 1.6rem + 5.5vw, 7.4rem);
  --text-h2: clamp(2rem, 1.4rem + 3vw, 4.2rem);
  --text-lead: clamp(1.25rem, 1.05rem + 0.9vw, 1.75rem);
  --text-base: clamp(1rem, 0.95rem + 0.2vw, 1.0625rem);
  --text-small: 0.8125rem;

  --space-section: clamp(4.5rem, 3.5rem + 5vw, 9rem);
  --space-gutter: clamp(1.25rem, 1rem + 2vw, 3rem);

  --duration-fast: 150ms;
  --duration-normal: 400ms;
  --duration-slow: 700ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);

  --nav-h: 84px;
}

/* ============================================================
   Reset
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

h1,
h2,
h3,
p {
  margin: 0;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1.25rem;
  border-radius: 4px;
  z-index: 200;
  transition: top var(--duration-fast) var(--ease-out-expo);
}

.skip-link:focus {
  top: 1rem;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================
   Custom cursor (pointer devices only)
   ============================================================ */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink);
  pointer-events: none;
  z-index: 300;
  mix-blend-mode: normal;
  transform: translate(-50%, -50%);
  transition: width var(--duration-fast) var(--ease-out-expo), height var(--duration-fast) var(--ease-out-expo), background var(--duration-fast) var(--ease-out-expo);
  will-change: transform;
}

.cursor--hover {
  width: 44px;
  height: 44px;
  background: var(--signal);
}

@media (hover: none), (pointer: coarse) {
  .cursor {
    display: none;
  }
}

/* ============================================================
   Section scaffolding
   ============================================================ */
section,
footer {
  position: relative;
  padding-inline: var(--space-gutter);
}

.section-head {
  max-width: 1320px;
  margin: 0 auto;
  padding-top: var(--space-section);
  padding-bottom: clamp(2rem, 1.5rem + 2vw, 3.5rem);
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: clamp(1rem, 1rem + 2vw, 2.5rem);
  row-gap: 0.5rem;
  align-items: start;
}

.section-head__index {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--gray);
  letter-spacing: 0.05em;
  padding-top: 0.4em;
}

.section-head__index--dark {
  color: rgba(243, 241, 234, 0.5);
}

.section-head__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-h2);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.section-head__desc {
  grid-column: 2;
  color: var(--gray);
  font-size: var(--text-lead);
  max-width: 46ch;
}

.accent {
  color: var(--ink);
  background: linear-gradient(180deg, transparent 62%, var(--signal) 62%);
}

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 150;
  background: rgba(243, 241, 234, 0.5);
  backdrop-filter: blur(8px);
  transition: background var(--duration-normal) var(--ease-out-expo), border-color var(--duration-normal) var(--ease-out-expo);
  border-bottom: 1px solid transparent;
}

.nav--solid {
  background: rgba(243, 241, 234, 0.85);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--paper-line);
}

.nav__inner {
  max-width: 1320px;
  margin: 0 auto;
  height: 100%;
  padding-inline: var(--space-gutter);
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 2vw, 3rem);
}

.nav__mark {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  margin-right: auto;
}

.nav__mark-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px rgba(215, 255, 62, 0.25);
}

.nav__links {
  display: flex;
  gap: clamp(1.25rem, 1.5vw, 2.25rem);
  font-size: 0.95rem;
}

.nav__links a {
  position: relative;
  padding-bottom: 2px;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.nav__links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav__cta {
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  transition: background var(--duration-fast) var(--ease-out-expo), color var(--duration-fast) var(--ease-out-expo);
  white-space: nowrap;
}

.nav__cta:hover {
  background: var(--ink);
  color: var(--paper);
}

.nav__toggle {
  display: none;
  width: 28px;
  height: 18px;
  position: relative;
}

.nav__toggle span,
.nav__toggle::before,
.nav__toggle::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--ink);
  transition: transform var(--duration-normal) var(--ease-out-expo), opacity var(--duration-fast) var(--ease-out-expo);
}

.nav__toggle::before {
  top: 0;
}

.nav__toggle span {
  top: 50%;
  transform: translateY(-50%);
}

.nav__toggle::after {
  bottom: 0;
}

.nav__toggle[aria-expanded="true"]::before {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"]::after {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem var(--space-gutter) 2rem;
  background: var(--paper);
  border-bottom: 1px solid var(--paper-line);
}

.nav__mobile a {
  padding: 0.85rem 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  border-bottom: 1px solid var(--paper-line);
}

.nav__mobile a:last-child {
  border-bottom: none;
}

.nav--menu-open .nav__mobile {
  display: flex;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: calc(var(--nav-h) + 2rem);
  padding-bottom: clamp(2.5rem, 2rem + 3vw, 5rem);
  overflow: hidden;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero--no-webgl .hero__canvas {
  display: none;
}

.hero--no-webgl::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(100deg, var(--ink) 0 3px, var(--paper) 3px 15px);
  opacity: 0.55;
}

.hero__noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

.hero__content {
  position: relative;
  max-width: 900px;
  margin: 0 auto 0 max(var(--space-gutter), calc((100% - 1320px) / 2 + var(--space-gutter)));
  padding: clamp(1.75rem, 1.4rem + 1.6vw, 3rem);
  background: rgba(243, 241, 234, 0.82);
  backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid rgba(16, 16, 20, 0.06);
  border-radius: 28px;
  box-shadow: 0 30px 70px -35px rgba(16, 16, 20, 0.28);
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-bottom: 1rem;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-hero);
  line-height: 0.98;
  letter-spacing: -0.015em;
  margin-bottom: clamp(1.25rem, 1rem + 1.5vw, 2rem);
}

.hero__line-wrap {
  display: block;
  overflow: hidden;
}

.hero__line {
  display: block;
}

.hero__line--accent {
  color: var(--ink);
  -webkit-text-stroke: 0;
  position: relative;
}

.hero__line--accent::after {
  content: "";
  position: absolute;
  left: 0.06em;
  bottom: 0.08em;
  width: 100%;
  height: 0.18em;
  background: var(--signal);
  z-index: -1;
}

.hero__desc {
  max-width: 40ch;
  font-size: var(--text-lead);
  color: var(--ink-soft);
}

.hero__scroll {
  position: relative;
  max-width: 1320px;
  margin: clamp(2rem, 1.5rem + 2vw, 3.5rem) auto 0;
  width: 100%;
  padding-inline: var(--space-gutter);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--text-small);
  letter-spacing: 0.05em;
  color: var(--gray);
}

.hero__scroll-line {
  position: relative;
  width: 1px;
  height: 60px;
  background: var(--paper-line);
  overflow: hidden;
}

.hero__scroll-dot {
  position: absolute;
  left: 50%;
  top: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal-dim);
  transform: translateX(-50%);
  animation: scroll-dot 2.2s var(--ease-out-expo) infinite;
}

@keyframes scroll-dot {
  0% {
    top: -10%;
  }
  100% {
    top: 110%;
  }
}

/* ============================================================
   Ticker
   ============================================================ */
.ticker,
.recognition {
  overflow: hidden;
  border-top: 1px solid var(--paper-line);
  border-bottom: 1px solid var(--paper-line);
  padding-block: clamp(1rem, 0.9rem + 0.5vw, 1.4rem);
}

.ticker__track,
.recognition__track {
  display: flex;
  width: max-content;
  gap: 1.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.1rem, 1rem + 1vw, 1.75rem);
  white-space: nowrap;
  will-change: transform;
}

.recognition__track {
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.ticker__sep {
  color: var(--signal-dim);
}

/* ============================================================
   Work
   ============================================================ */
.work__grid {
  max-width: 1320px;
  margin: 0 auto;
  padding-bottom: var(--space-section);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1rem, 1vw, 1.75rem);
}

.work__item {
  grid-column: span 1;
  border: 1px solid var(--paper-line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--paper-dim);
  transition: transform var(--duration-normal) var(--ease-out-expo), box-shadow var(--duration-normal) var(--ease-out-expo);
}

.work__item--large {
  grid-column: span 2;
}

.work__item:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px -24px rgba(16, 16, 20, 0.25);
}

.work__visual {
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
  background: var(--ink);
}

.work__item--large .work__visual {
  aspect-ratio: 21 / 9;
}

.work__visual::before {
  content: "";
  position: absolute;
  inset: -20%;
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.work__item:hover .work__visual::before {
  transform: scale(1.06) rotate(1deg);
}

.work__visual[data-visual="1"]::before {
  background: repeating-linear-gradient(100deg, var(--ink) 0 6px, var(--ink-soft) 6px 12px, var(--ink) 12px 22px, var(--signal) 22px 24px);
}

.work__visual[data-visual="2"]::before {
  background: repeating-radial-gradient(circle at 30% 30%, var(--ink) 0 4px, var(--ink-soft) 4px 8px, transparent 8px 16px), var(--ink);
}

.work__visual[data-visual="3"]::before {
  background: repeating-linear-gradient(0deg, var(--ink) 0 3px, var(--ink-soft) 3px 6px), repeating-linear-gradient(90deg, transparent 0 18px, rgba(215, 255, 62, 0.18) 18px 20px);
}

.work__visual[data-visual="4"]::before {
  background: repeating-linear-gradient(135deg, var(--ink) 0 10px, var(--ink-soft) 10px 20px, var(--signal-dim) 20px 22px);
}

.work__meta {
  padding: clamp(1.1rem, 1rem + 0.5vw, 1.6rem);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
}

.work__meta h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 1.05rem + 0.4vw, 1.5rem);
  flex-basis: 100%;
}

.work__meta p {
  color: var(--gray);
}

.work__tag {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--gray);
  white-space: nowrap;
}

/* ============================================================
   Process
   ============================================================ */
.process__rail {
  max-width: 1320px;
  margin: 0 auto;
  padding-bottom: var(--space-section);
}

.process__track {
  display: flex;
  gap: clamp(1.5rem, 2vw, 2.75rem);
  width: max-content;
}

.process__step {
  flex: 0 0 clamp(300px, 26vw, 380px);
  border-top: 2px solid var(--ink);
  padding-top: 1.25rem;
}

.process__num {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--signal-dim);
  background: var(--ink);
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  margin-bottom: 1rem;
}

.process__step h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  margin-bottom: 0.6rem;
}

.process__step p {
  color: var(--gray);
}

/* ============================================================
   About
   ============================================================ */
.about__grid {
  max-width: 1320px;
  margin: 0 auto;
  padding-bottom: var(--space-section);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2rem, 3vw, 4rem);
  align-items: start;
}

.about__lead {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lead);
  line-height: 1.3;
  margin-bottom: 1.25rem;
}

.about__text p:not(.about__lead) {
  color: var(--ink-soft);
  max-width: 56ch;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 2vw, 2.5rem);
}

.stat {
  border-top: 1px solid var(--paper-line);
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
}

.stat__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.25rem, 2rem + 1.5vw, 3.5rem);
  line-height: 1;
}

.stat__label {
  margin-top: 0.5rem;
  color: var(--gray);
  font-size: 0.9rem;
}

/* ============================================================
   Contact
   ============================================================ */
.contact {
  background: var(--ink);
  color: var(--paper);
  padding-top: var(--space-section);
  padding-bottom: clamp(2.5rem, 2rem + 2vw, 4rem);
}

.contact__inner {
  max-width: 1320px;
  margin: 0 auto;
}

.contact__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-h2);
  line-height: 1.05;
  margin: 1rem 0 clamp(2rem, 1.5rem + 2vw, 3.5rem);
  max-width: 16ch;
}

.contact__title .accent {
  color: var(--signal);
  background: none;
}

.contact__email {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 1.3rem + 2vw, 2.75rem);
  border-bottom: 2px solid rgba(243, 241, 234, 0.3);
  padding-bottom: 0.2em;
  transition: border-color var(--duration-normal) var(--ease-out-expo), color var(--duration-normal) var(--ease-out-expo);
}

.contact__email:hover {
  border-color: var(--signal);
  color: var(--signal);
}

.contact__row {
  margin-top: clamp(2.5rem, 2rem + 2vw, 4rem);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  border-top: 1px solid rgba(243, 241, 234, 0.15);
  padding-top: 1.5rem;
  font-size: 0.9rem;
  color: rgba(243, 241, 234, 0.6);
}

.contact__social {
  display: flex;
  gap: 1.5rem;
}

.contact__social a:hover {
  color: var(--signal);
}

.contact__meta {
  display: flex;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: var(--text-small);
}

/* ============================================================
   Reveal utility (JS toggles .is-visible)
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
}

.no-js [data-reveal] {
  opacity: 1;
  transform: none;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
  .hero {
    padding-top: calc(var(--nav-h) + 1rem);
    min-height: auto;
    padding-bottom: 2.5rem;
  }

  .hero__canvas {
    position: relative;
    height: 42vh;
    min-height: 260px;
    margin-bottom: 1.75rem;
  }

  .hero__noise {
    display: none;
  }

  .hero__scroll {
    display: none;
  }

  .hero__content {
    max-width: none;
    margin: 0;
    padding: 0;
    background: none;
    backdrop-filter: none;
    border: none;
    border-radius: 0;
    box-shadow: none;
  }

  .work__item,
  .work__item--large {
    grid-column: span 2;
  }

  .process__track {
    flex-direction: column;
    width: 100%;
    gap: 2rem;
  }

  .process__step {
    flex: none;
  }

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

@media (max-width: 760px) {
  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__toggle {
    display: block;
    margin-left: auto;
  }

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

  .work__item,
  .work__item--large {
    grid-column: span 1;
  }

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

  .section-head {
    grid-template-columns: 1fr;
  }

  .section-head__desc {
    grid-column: 1;
  }

  .contact__row {
    flex-direction: column;
    gap: 0.75rem;
  }
}

@media (max-width: 420px) {
  .about__stats {
    grid-template-columns: 1fr;
  }
}