:root {
  --lime: #C4FF00;
  --ink: #111111;
}

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

body {
  margin: 0;
  font-family: 'Assistant', 'Helvetica Neue', Arial, sans-serif;
  background-color: #ffffff;
  color: #111111;
  background-image: repeating-linear-gradient(
    to right, transparent, transparent calc(12.5vw - 1px), rgba(0, 0, 0, 0.05) 12.5vw);
  overflow-x: hidden;
}

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

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

/* ---------- keyframes ---------- */
@keyframes chk-spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}
@keyframes chk-badge-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes chk-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- preloader ---------- */
.site-preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease;
}
.site-preloader.is-hidden {
  opacity: 0;
  pointer-events: none;
}
.preloader-logo {
  font-weight: 900;
  font-size: clamp(28px, 5vw, 56px);
  letter-spacing: -0.03em;
}
.preloader-logo .dot,
.logo .dot {
  color: var(--lime);
}
.logo .dot {
  -webkit-text-stroke: 0.5px #111;
}

/* ---------- social rail ---------- */
.social-rail {
  position: fixed;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 120;
  display: flex;
  flex-direction: column;
  gap: 26px;
  mix-blend-mode: difference;
}
.social-rail__item {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font: 600 11px 'Assistant', sans-serif;
  letter-spacing: 0.25em;
  color: #fff;
  cursor: default;
}
a.social-rail__item { cursor: pointer; }

/* ---------- header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 130;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(24px, 4vw, 56px);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.55);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.logo {
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.03em;
}
.nav-links {
  display: flex;
  gap: 34px;
  font-weight: 500;
  font-size: 14px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.cta-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #111;
  color: #fff;
  padding: 11px 20px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 14px;
}
.cta-pill .arrow { font-size: 16px; }
.burger {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0;
}
.burger__line {
  display: block;
  width: 26px;
  height: 2px;
  background: #111;
}

/* ---------- mobile menu overlay ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--lime);
  display: none;
  flex-direction: column;
  padding: 26px clamp(24px, 6vw, 56px);
}
.mobile-menu.is-open { display: flex; }
.mobile-menu__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.mobile-menu__close {
  width: 48px;
  height: 48px;
  border: none;
  background: transparent;
  font-size: 34px;
  line-height: 1;
  cursor: pointer;
}
.mobile-menu__nav {
  margin-top: auto;
  margin-bottom: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mobile-menu__nav a {
  font-weight: 900;
  font-size: clamp(44px, 14vw, 90px);
  letter-spacing: -0.04em;
  line-height: 1;
}

/* ---------- shared giant text ---------- */
.giant-text {
  font-weight: 900;
  line-height: 0.8;
  letter-spacing: -0.04em;
  text-transform: lowercase;
  white-space: nowrap;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 20px 80px;
}
.hero__sunburst {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 62vw; height: 62vw;
  max-width: 820px; max-height: 820px;
  border-radius: 50%;
  z-index: 0;
  animation: chk-spin 32s linear infinite;
  background: repeating-conic-gradient(from 0deg, var(--lime) 0deg 5deg, transparent 5deg 11deg);
  -webkit-mask: radial-gradient(circle, #000 0%, #000 34%, rgba(0, 0, 0, 0.25) 55%, transparent 72%);
  mask: radial-gradient(circle, #000 0%, #000 34%, rgba(0, 0, 0, 0.25) 55%, transparent 72%);
  opacity: 0.9;
}
.hero__giant-wrap {
  position: absolute;
  top: 50%; left: 0; right: 0;
  transform: translateY(-50%);
  z-index: 1;
  pointer-events: none;
  overflow: visible;
}
.hero__giant {
  font-size: clamp(90px, 26vw, 420px);
  color: var(--lime);
  text-align: center;
}
.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  mix-blend-mode: multiply;
}
.hero__title {
  font-weight: 900;
  font-size: clamp(38px, 7vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.04em;
}
.hero__subtitle {
  margin: 26px auto 0;
  max-width: 520px;
  font-weight: 500;
  font-size: clamp(15px, 1.4vw, 19px);
  line-height: 1.6;
  color: #333;
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 34px;
  background: #111;
  color: #fff;
  padding: 15px 30px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 19px;
  pointer-events: auto;
}

/* ---------- about ---------- */
.about {
  position: relative;
  padding: clamp(80px, 12vh, 160px) clamp(24px, 4vw, 56px);
  overflow: hidden;
}
.about__giant-wrap {
  position: absolute;
  top: 8%; left: 0; right: 0;
  z-index: 0;
  pointer-events: none;
  overflow: visible;
}
.about__giant {
  font-size: clamp(90px, 28vw, 460px);
  color: rgba(0, 0, 0, 0.04);
}
.about__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
}
.about__image {
  aspect-ratio: 4 / 5;
  width: 100%;
  background: repeating-linear-gradient(135deg, #e8e8e8, #e8e8e8 11px, #dedede 11px, #dedede 22px);
  filter: grayscale(100%);
  border-radius: 4px;
  display: flex;
  align-items: flex-end;
  padding: 14px;
}
.about__image-label {
  font: 600 11px ui-monospace, Menlo, monospace;
  color: #8a8a8a;
  letter-spacing: 0.05em;
}
.about__eyebrow {
  display: inline-block;
  font: 600 12px 'Assistant', sans-serif;
  letter-spacing: 0.28em;
  color: #111;
  text-transform: uppercase;
}
.about__heading {
  font-weight: 800;
  font-size: clamp(28px, 4vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 18px 0 24px;
}
.about__paragraph {
  font-weight: 400;
  font-size: clamp(15px, 1.35vw, 18px);
  line-height: 1.75;
  color: #333;
  text-wrap: pretty;
}

/* ---------- services ---------- */
.services {
  position: relative;
  padding: clamp(60px, 9vh, 120px) clamp(24px, 4vw, 56px) clamp(80px, 12vh, 160px);
  overflow: hidden;
}
.services__badge {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  width: clamp(96px, 10vw, 132px);
  height: clamp(96px, 10vw, 132px);
  animation: chk-badge-spin 18s linear infinite;
  pointer-events: none;
}
.services__badge-svg {
  width: 100%;
  height: 100%;
  display: block;
}
.services__badge-text {
  font: 700 11px 'Assistant', sans-serif;
  letter-spacing: 2.5px;
  fill: #111;
}
.services__inner {
  max-width: 1280px;
  margin: 0 auto;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  position: relative;
}
.services-col {
  padding: 0 clamp(20px, 3vw, 44px);
  z-index: 1;
  border-left: 1px solid rgba(0, 0, 0, 0.12);
}
.services-col:first-child { border-left: none; }
.services-col__title {
  display: block;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.06em;
  font-family: 'Assistant', sans-serif;
}
.services-col__desc {
  margin: 22px 0 0;
  font-size: 16px;
  line-height: 1.7;
  color: #333;
  text-wrap: pretty;
}

/* ---------- projects ---------- */
.projects {
  position: relative;
  padding: clamp(60px, 9vh, 120px) 0 clamp(80px, 12vh, 160px);
  overflow: hidden;
}
.projects__giant-wrap {
  position: absolute;
  top: 2%; left: 0; right: 0;
  z-index: 0;
  pointer-events: none;
  overflow: visible;
}
.projects__giant {
  font-size: clamp(90px, 26vw, 440px);
  color: var(--lime);
}
.projects__inner {
  position: relative;
  z-index: 2;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 56px);
}
.projects__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 44px;
  flex-wrap: wrap;
  gap: 12px;
}
.projects__title {
  font-weight: 800;
  font-size: clamp(30px, 4.5vw, 60px);
  letter-spacing: -0.03em;
}
.projects__subtitle {
  font-size: 14px;
  color: #555;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 28px);
}
.project-card { display: block; }
.project-card__media {
  overflow: hidden;
  border-radius: 4px;
}
.project-card__media.ar-45 { aspect-ratio: 4 / 5; }
.project-card__media.ar-43 { aspect-ratio: 4 / 3; }
.project-card__img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-card__img.bg-a { background: repeating-linear-gradient(135deg, #ededed, #ededed 12px, #e2e2e2 12px, #e2e2e2 24px); }
.project-card__img.bg-b { background: repeating-linear-gradient(135deg, #e6efe0, #e6efe0 12px, #dbe8d2 12px, #dbe8d2 24px); }
.project-card__img.bg-c { background: repeating-linear-gradient(135deg, #efe9df, #efe9df 12px, #e6ded0 12px, #e6ded0 24px); }
.project-card__img.bg-d { background: repeating-linear-gradient(135deg, #e9e9ef, #e9e9ef 12px, #dedee8 12px, #dedee8 24px); }
.project-card__label {
  font: 600 11px ui-monospace, Menlo, monospace;
  color: rgba(0, 0, 0, 0.4);
  letter-spacing: 0.05em;
}
.project-card__meta {
  margin-top: 14px;
  font-weight: 600;
  font-size: 15px;
}
.project-card__cat {
  color: #888;
  font-weight: 400;
}

@media (hover: hover) and (pointer: fine) {
  .project-card__img { filter: grayscale(100%); transition: filter 0.45s ease, transform 0.6s ease; }
  .project-card:hover .project-card__img { filter: grayscale(0%); transform: scale(1.06); }
}

/* ---------- testimonials ---------- */
.testimonials-section {
  position: relative;
  padding: clamp(90px, 16vh, 200px) clamp(24px, 4vw, 56px) clamp(60px, 9vh, 110px);
  overflow: hidden;
}
.testimonials__inner {
  max-width: 1080px;
  margin: 0 auto;
  text-align: center;
  min-height: clamp(220px, 32vh, 340px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.testimonials__eyebrow {
  font: 600 12px 'Assistant', sans-serif;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--lime);
}
.testimonial__quote {
  margin: 34px 0 0;
  font-weight: 600;
  font-size: clamp(22px, 3.6vw, 46px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}
.testimonial__author {
  margin-top: 30px;
  font-weight: 600;
  font-size: 15px;
}
.testimonial__role {
  margin-top: 4px;
  font-size: 13px;
  opacity: 0.6;
}
.testimonials__dots {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 40px;
}
.testimonials__dots .dot {
  width: 40px;
  height: 4px;
  border: none;
  cursor: pointer;
  border-radius: 2px;
  padding: 0;
  background: rgba(255, 255, 255, 0.25);
}
.testimonials__dots .dot.is-active {
  background: var(--lime);
}

.marquee {
  margin-top: clamp(50px, 8vh, 90px);
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding: 26px 0;
  -webkit-mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track {
  display: flex;
  gap: 64px;
  width: max-content;
  animation: chk-marquee 26s linear infinite;
}
.marquee__item {
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 34px);
  letter-spacing: -0.02em;
  opacity: 0.55;
  white-space: nowrap;
}

/* ---------- footer / contact ---------- */
.site-footer {
  position: relative;
  padding: clamp(60px, 9vh, 120px) clamp(24px, 4vw, 56px) 50px;
  overflow: hidden;
}
.footer__giant-wrap {
  overflow: visible;
  pointer-events: none;
  margin-bottom: clamp(40px, 6vh, 80px);
}
.footer__giant {
  font-size: clamp(64px, 17vw, 300px);
  line-height: 0.82;
  color: var(--lime);
}
.footer__content {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}
.footer__heading {
  font-weight: 800;
  font-size: clamp(30px, 5vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.footer__paragraph {
  margin: 26px auto 0;
  max-width: 520px;
  font-size: clamp(15px, 1.4vw, 19px);
  line-height: 1.65;
  opacity: 0.7;
}
.footer__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 38px;
}
.footer__btn {
  padding: 14px 26px;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  font-weight: 600;
  font-size: 15px;
}
.footer__bottom {
  max-width: 1280px;
  margin: clamp(60px, 10vh, 110px) auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 13px;
  opacity: 0.55;
}
.footer__brand {
  font-weight: 900;
  letter-spacing: -0.02em;
}

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .services-grid, .about__grid, .projects-grid { grid-template-columns: 1fr !important; }
  .services-col { border-left: none !important; border-top: 1px solid rgba(0, 0, 0, 0.12); padding-top: 40px !important; }
  .services-col:first-child { border-top: none; padding-top: 0 !important; }
  .nav-links { display: none; }
  .cta-pill { display: none; }
  .burger { display: flex; }
  .social-rail { display: none; }
}
