/* ===== TOKENS ===== */
:root {
  --bg: #0a0a0a;
  --fg: #e8e4de;
  --fg-muted: #8a857e;
  --accent: #c8ff00;
  --accent-dim: #6b8700;
  --surface: #141414;
  --border: #252525;
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--fg);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ===== GRAIN OVERLAY ===== */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 180px;
}

/* ===== UTILITIES ===== */
.label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(10, 10, 10, 0.7);
  border-bottom: 1px solid var(--border);
}
.nav__logo {
  font-family: var(--serif);
  font-size: 1.4rem;
  letter-spacing: -0.02em;
}
.nav__links { display: flex; align-items: center; gap: 2.5rem; }
.nav__links a {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--fg-muted);
  transition: color 0.3s;
  letter-spacing: 0.02em;
}
.nav__links a:hover { color: var(--fg); }
.nav__cta {
  padding: 0.55rem 1.4rem !important;
  border: 1px solid var(--border) !important;
  border-radius: 100px;
  color: var(--fg) !important;
  transition: background 0.3s, border-color 0.3s !important;
}
.nav__cta:hover {
  background: var(--accent) !important;
  border-color: var(--accent) !important;
  color: var(--bg) !important;
}

/* Burger */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--fg);
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}
.nav__burger.is-open span:first-child { transform: rotate(45deg) translate(2.5px, 2.5px); }
.nav__burger.is-open span:last-child { transform: rotate(-45deg) translate(2.5px, -2.5px); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--bg);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out);
}
.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu a {
  font-family: var(--serif);
  font-size: 2.5rem;
  color: var(--fg-muted);
  transition: color 0.3s;
}
.mobile-menu a:hover { color: var(--accent); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 8rem 2rem 4rem;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200, 255, 0, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero__badge {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--accent-dim);
  border-radius: 100px;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.2s forwards;
}
.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
}
.hero__line {
  display: block;
}
.hero__line--1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  color: var(--fg-muted);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.4s forwards;
}
.hero__line--2 {
  font-size: clamp(4rem, 10vw, 9rem);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.6s forwards;
}
.hero__line--3 {
  font-size: clamp(4rem, 10vw, 9rem);
  color: var(--accent);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.8s forwards;
}
.hero__line--3 em {
  font-style: italic;
}
.hero__sub {
  margin-top: 2rem;
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.7;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 1s forwards;
}
.hero__kenbunshoku {
  margin-top: 1.2rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--fg-muted);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 1.15s forwards;
  letter-spacing: 0.02em;
}
.hero__kenbunshoku::before,
.hero__kenbunshoku::after {
  content: '—';
  margin: 0 0.5em;
  color: var(--accent-dim);
}
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--fg-muted);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 1.2s forwards;
}
.hero__scroll svg {
  animation: scrollBounce 2s var(--ease-in-out) infinite;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ===== MARQUEE ===== */
.marquee {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.2rem 0;
  overflow: hidden;
  white-space: nowrap;
}
.marquee__track {
  display: inline-flex;
  align-items: center;
  gap: 2rem;
  animation: marqueeScroll 30s linear infinite;
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--fg-muted);
}
.marquee__dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== INTRO ===== */
.intro {
  padding: 8rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
}
.intro__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}
.intro__right p {
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  line-height: 1.8;
  color: var(--fg-muted);
  margin-bottom: 1.5rem;
}
.intro__right strong {
  color: var(--fg);
}

/* ===== SERVICES ===== */
.services {
  padding: 6rem 3rem 8rem;
  max-width: 1200px;
  margin: 0 auto;
}
.services__header {
  margin-bottom: 4rem;
}
.services__title {
  font-family: var(--serif);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 400;
  letter-spacing: -0.03em;
}
.services__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.service-card {
  padding: 3rem;
  border: 1px solid var(--border);
  margin: -0.5px;
  position: relative;
  overflow: hidden;
  transition: background 0.4s var(--ease-out);
}
.service-card:hover {
  background: var(--surface);
}
.service-card__num {
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  font-weight: 500;
}
.service-card__title {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 400;
  margin: 1rem 0 1.2rem;
  letter-spacing: -0.01em;
}
.service-card__desc {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
}
.service-card__line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.6s var(--ease-out);
}
.service-card:hover .service-card__line {
  width: 100%;
}

/* ===== APPROACH ===== */
.approach {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 8rem 3rem;
}
.approach__inner {
  max-width: 1200px;
  margin: 0 auto;
}
.approach__title {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 4rem;
}
.approach__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}
.approach__col h4 {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 1rem;
  position: relative;
  padding-bottom: 1rem;
}
.approach__col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent);
}
.approach__col p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ===== QUOTE ===== */
.quote-section {
  padding: 8rem 3rem;
  display: flex;
  justify-content: center;
}
.big-quote {
  max-width: 900px;
  text-align: center;
}
.big-quote p {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.4;
  letter-spacing: -0.02em;
  color: var(--fg);
  position: relative;
}
.big-quote p::before {
  content: '';
  display: block;
  width: 50px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto 2rem;
}

/* ===== CONTACT ===== */
.contact {
  padding: 8rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
}
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.contact__title {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.contact__desc {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
}
.contact__email {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 3rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s, background 0.4s;
}
.contact__email:hover {
  border-color: var(--accent);
  background: var(--surface);
}
.contact__email-label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}
.contact__email-addr {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  letter-spacing: -0.01em;
}
.contact__arrow {
  position: absolute;
  top: 2rem;
  right: 2rem;
  color: var(--fg-muted);
  transition: color 0.3s, transform 0.3s var(--ease-out);
}
.contact__email:hover .contact__arrow {
  color: var(--accent);
  transform: translate(3px, -3px);
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 3rem;
}
.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer__logo {
  font-family: var(--serif);
  font-size: 1.1rem;
}
.footer__copy {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav { padding: 1rem 1.5rem; }
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .mobile-menu { display: flex; }

  .hero { padding: 7rem 1.5rem 4rem; }

  .intro { padding: 5rem 1.5rem; }
  .intro__grid { grid-template-columns: 1fr; gap: 1.5rem; }

  .services { padding: 5rem 1.5rem; }
  .services__grid { grid-template-columns: 1fr; }
  .service-card { padding: 2rem; }

  .approach { padding: 5rem 1.5rem; }
  .approach__cols { grid-template-columns: 1fr; gap: 2.5rem; }

  .quote-section { padding: 5rem 1.5rem; }

  .contact { padding: 5rem 1.5rem; }
  .contact__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact__email { padding: 2rem; }

  .footer { padding: 1.5rem; }
  .footer__inner { flex-direction: column; gap: 0.5rem; text-align: center; }
}