@import url("./tokens.css");

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; overflow-x: clip; }

html {
  font-family: var(--font-body);
  color: var(--color-ink-0);
  background: var(--color-paper-0);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  font-size: var(--text-base);
  line-height: 1.55;
  background:
    radial-gradient(1100px 800px at 10% -15%, color-mix(in oklch, var(--color-accent) 18%, transparent), transparent 60%),
    radial-gradient(900px 600px at 90% 25%, color-mix(in oklch, var(--color-companion) 10%, transparent), transparent 55%),
    var(--color-paper-0);
  background-attachment: fixed;
}

::selection { background: var(--color-accent); color: var(--color-paper-0); }

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

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ───────── shared layout ───────── */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding-inline: var(--space-xl);
}

.section {
  padding-block: var(--space-4xl);
}

.section--tall {
  padding-block: var(--space-4xl);
}

@media (max-width: 768px) {
  .section {
    padding-block: var(--space-3xl);
  }
}

/* ───────── typography ───────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
}

h1 { font-size: var(--text-5xl); font-weight: 300; }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); font-weight: 500; }
h4 { font-size: var(--text-xl); }

.section__title {
  max-width: 16ch;
}

.section__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-2);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.section__sub {
  font-size: var(--text-lg);
  color: var(--color-ink-1);
  max-width: 55ch;
  line-height: 1.6;
  margin-top: var(--space-lg);
}

/* ───────── accent mark ───────── */
.accent-mark {
  display: inline-block;
  width: 32px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

/* ───────── nav · N4 Ghost ───────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  font-size: var(--text-sm);
  background: color-mix(in oklch, var(--color-paper-0) 70%, transparent);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.nav__brand {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav__brand-mark {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  display: inline-block;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
}

.nav__link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--color-ink-1);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.nav__link:hover { background: var(--color-paper-2); color: var(--color-ink-0); }

.nav__cta {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-paper-0);
  font-weight: 500;
  border: none;
  cursor: pointer;
  font-size: var(--text-sm);
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.nav__cta:hover { background: color-mix(in oklch, var(--color-accent) 80%, white); transform: translateY(-1px); }
.nav__cta:active { transform: translateY(0); }

@media (max-width: 640px) {
  .nav__links {
    display: none;
  }
  .nav {
    padding: var(--space-md);
  }
}

/* ───────── hero ───────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow-x: clip;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero__h1 {
  max-width: 14ch;
}

.hero__h1-accent {
  color: var(--color-accent);
}

.hero__sub {
  font-size: var(--text-lg);
  color: var(--color-ink-1);
  max-width: 48ch;
  line-height: 1.6;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.hero__ctas {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-2xl);
}

.hero__badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-2);
  padding: 6px 12px;
  border: var(--rule-hair);
  border-radius: var(--radius-pill);
}

/* ───────── hero visual (3D canvas simulation) ───────── */
.hero__visual {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-paper-1);
  border: var(--rule-hair);
}

.hero__visual-canvas {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background:
    radial-gradient(ellipse 80% 60% at 50% 50%, color-mix(in oklch, var(--color-accent) 15%, var(--color-paper-1)) 0%, var(--color-paper-1) 100%);
}

.hero__visual-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in oklch, var(--color-accent) 20%, transparent) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

.hero__visual-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in oklch, var(--color-ink-3) 15%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklch, var(--color-ink-3) 15%, transparent) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.5;
}

.hero__visual-objects {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__visual-geo {
  width: 80px;
  height: 80px;
  border: 1px solid color-mix(in oklch, var(--color-accent) 30%, transparent);
  border-radius: 20% 80% 20% 80%;
  animation: morph 8s ease-in-out infinite;
  position: absolute;
}

.hero__visual-geo:nth-child(1) {
  width: 120px;
  height: 120px;
  border-radius: 60% 40% 30% 70%;
  border-color: color-mix(in oklch, var(--color-companion) 25%, transparent);
  animation-delay: -2s;
  top: 20%;
  left: 15%;
}

.hero__visual-geo:nth-child(2) {
  width: 60px;
  height: 60px;
  border-radius: 40% 60% 70% 30%;
  border-color: color-mix(in oklch, var(--color-accent) 20%, transparent);
  animation-delay: -4s;
  bottom: 25%;
  right: 20%;
}

.hero__visual-geo:nth-child(3) {
  width: 90px;
  height: 90px;
  border-radius: 30% 70% 50% 50%;
  border-color: color-mix(in oklch, var(--color-ink-2) 20%, transparent);
  animation-delay: -6s;
  top: 50%;
  left: 60%;
}

@keyframes morph {
  0%, 100% { transform: rotate(0deg) scale(1); }
  33% { transform: rotate(120deg) scale(0.9); border-radius: 40% 60% 60% 40%; }
  66% { transform: rotate(240deg) scale(1.1); border-radius: 60% 40% 30% 70%; }
}

.hero__visual-label {
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-2);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: color-mix(in oklch, var(--color-paper-0) 60%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: var(--rule-hair);
}

@media (max-width: 768px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  .hero__visual {
    aspect-ratio: 3 / 2;
    width: 100%;
  }
  .hero__h1 {
    max-width: 100%;
  }
}

@media (max-width: 414px) {
  .hero {
    min-height: auto;
    padding-block: 100px 60px;
  }
}

/* ───────── services section ───────── */
.services {
  position: relative;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.service-card {
  padding: var(--space-2xl);
  border-radius: var(--radius-md);
  border: var(--rule-hair);
  background: var(--color-paper-1);
  transition: border-color var(--dur-slow) var(--ease-out), transform var(--dur-mid) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease-out);
}

.service-card:hover {
  border-color: color-mix(in oklch, var(--color-accent) 30%, transparent);
  transform: translateY(-2px);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.service-card__title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-lg);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-ink-1);
  line-height: 1.6;
}

/* 2-column layout for medium screens, 1 for small */
@media (max-width: 768px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
  .service-card {
    padding: var(--space-lg);
  }
}

@media (max-width: 600px) {
  .services__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 414px) {
  .service-card__title {
    font-size: var(--text-base);
  }
}

/* ───────── showcase / gallery ───────── */
.showcase {
  position: relative;
}

.showcase__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-3xl);
}

.showcase__item {
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  background: var(--color-paper-2);
  border: var(--rule-hair);
  cursor: pointer;
  transition: transform var(--dur-mid) var(--ease-out);
}

.showcase__item:hover {
  transform: scale(0.97);
}

.showcase__item-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-2);
  text-align: center;
  padding: var(--space-md);
  position: relative;
}

/* Showcase item visual treatments */
.showcase__item--splat {
  background: radial-gradient(ellipse at 30% 40%, color-mix(in oklch, var(--color-accent) 12%, var(--color-paper-2)) 0%, var(--color-paper-2) 70%);
}

.showcase__item--three {
  background: radial-gradient(ellipse at 70% 60%, color-mix(in oklch, var(--color-companion) 10%, var(--color-paper-2)) 0%, var(--color-paper-2) 70%);
}

.showcase__item--config {
  background: radial-gradient(ellipse at 50% 30%, color-mix(in oklch, var(--color-accent) 8%, var(--color-paper-2)) 0%, var(--color-paper-2) 70%);
}

.showcase__item--kiosk {
  background: radial-gradient(ellipse at 20% 80%, color-mix(in oklch, var(--color-companion) 8%, var(--color-paper-2)) 0%, var(--color-paper-2) 70%);
}

.showcase__item-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-1);
  margin-top: auto;
  position: absolute;
  bottom: var(--space-md);
  left: var(--space-md);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: color-mix(in oklch, var(--color-paper-0) 50%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: var(--rule-hair);
}

@media (max-width: 768px) {
  .showcase__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 414px) {
  .showcase__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }
  .showcase__item-label {
    font-size: 10px;
    padding: 3px 8px;
  }
}

/* ───────── approach ───────── */
.approach {
  position: relative;
}

.approach__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
}

.approach__item {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: var(--rule-hair);
  background: var(--color-paper-1);
}

.approach__item-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 300;
  color: var(--color-accent);
  line-height: 1;
  flex-shrink: 0;
  min-width: 1.5em;
}

.approach__item-title {
  font-weight: 600;
  font-size: var(--text-md);
  margin-bottom: var(--space-xs);
}

.approach__item-desc {
  font-size: var(--text-sm);
  color: var(--color-ink-1);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .approach__grid {
    grid-template-columns: 1fr;
  }
}

/* ───────── CTA section ───────── */
.cta {
  text-align: center;
  position: relative;
}

.cta__card {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-4xl) var(--space-2xl);
  border-radius: var(--radius-lg);
  border: var(--rule-hair);
  background:
    radial-gradient(800px 400px at 50% 50%, color-mix(in oklch, var(--color-accent) 8%, var(--color-paper-1)) 0%, var(--color-paper-1) 100%);
  position: relative;
  overflow: hidden;
}

.cta__card::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, color-mix(in oklch, var(--color-accent) 4%, transparent) 0%, transparent 50%);
  animation: cta-drift 10s ease-in-out infinite;
}

@keyframes cta-drift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(5%, -5%); }
}

.cta__title {
  max-width: 16ch;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta__sub {
  color: var(--color-ink-1);
  margin-top: var(--space-lg);
  font-size: var(--text-md);
  max-width: 40ch;
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.cta__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-2xl);
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* ───────── footer · Ft2 Grid ───────── */
.footer {
  padding-block: var(--space-3xl) var(--space-xl);
  border-top: var(--rule-hair);
  margin-top: var(--space-2xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
}

.footer__brand {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer__brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  display: inline-block;
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-ink-2);
  margin-top: var(--space-md);
  max-width: 30ch;
  line-height: 1.6;
}

.footer__heading {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-2);
  margin-bottom: var(--space-lg);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-ink-1);
  transition: color var(--dur-fast) var(--ease-out);
}

.footer__link:hover {
  color: var(--color-ink-0);
}

.footer__bottom {
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: var(--rule-hair);
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
  color: var(--color-ink-2);
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
  .footer__col:first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 414px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

/* ───────── buttons ───────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: var(--text-base);
  border: none;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
  text-decoration: none;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-paper-0);
}

.btn--primary:hover {
  background: color-mix(in oklch, var(--color-accent) 80%, white);
  transform: translateY(-1px);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink-0);
  border: 1px solid var(--color-ink-3);
}

.btn--ghost:hover {
  border-color: var(--color-ink-1);
  background: var(--color-paper-2);
  transform: translateY(-1px);
}

.btn--ghost:active {
  transform: translateY(0);
}

/* ───────── tech tags ───────── */
.tech-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-2);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-paper-2);
  border: var(--rule-hair);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.tech-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  display: inline-block;
}

/* ───────── utilities ───────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}