@import url('https://fonts.googleapis.com/css2?family=Merriweather:ital,wght@0,300;0,400;0,700;0,900;1,300;1,400&family=Inter:wght@300;400;500;600&display=swap');

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:   #0a0a0a;
  --gray-900:#111111;
  --gray-800:#1a1a1a;
  --gray-700:#2a2a2a;
  --gray-500:#666666;
  --gray-300:#b0b0b0;
  --gray-100:#e8e8e8;
  --gray-050:#f5f5f5;
  --white:   #ffffff;

  --font-display: 'Merriweather', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --container: 1120px;
  --nav-h: 68px;
  --radius: 2px;
  --ease: cubic-bezier(.4,0,.2,1);
  --transition: 220ms var(--ease);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img, svg { display: block; }
button { cursor: pointer; border: none; background: none; font: inherit; }

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

/* ===== TYPOGRAPHY HELPERS ===== */
.section__label {
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: .75rem;
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.8vw, 2.25rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.01em;
  margin-bottom: 2rem;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.5rem;
  font-family: var(--font-sans);
  font-size: .875rem;
  font-weight: 500;
  letter-spacing: .01em;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--black);
  color: var(--white);
  border: 1.5px solid var(--black);
}
.btn--primary:hover { background: var(--gray-800); border-color: var(--gray-800); }

.btn--outline {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--black);
}
.btn--outline:hover { background: var(--black); color: var(--white); }

.btn--ghost {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--gray-300);
}
.btn--ghost:hover { border-color: var(--black); }

.btn--large { padding: 1rem 2.25rem; font-size: 1rem; }

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
  height: var(--nav-h);
}
.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  display: flex;
  align-items: center;
}
.nav__logo-img {
  height: 28px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__links a {
  font-family: var(--font-sans);
  font-size: .875rem;
  font-weight: 400;
  color: var(--gray-700);
  transition: color var(--transition);
}
.nav__links a:not(.btn):hover { color: var(--black); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: .25rem;
}
.nav__burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--black);
  transition: transform var(--transition), opacity var(--transition);
}

.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
  background: var(--white);
}
.hero__inner {
  position: relative;
  z-index: 2;
  padding-block: clamp(4rem, 10vh, 8rem);
  max-width: 680px;
}
.hero__eyebrow {
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 1.25rem;
}
.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5.5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.02em;
  margin-bottom: 1.5rem;
}
.hero__headline span { color: var(--gray-500); font-weight: 300; font-style: italic; }
.hero__sub {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  color: var(--gray-500);
  max-width: 500px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}
.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Orbit decoration */
.hero__orbit {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: clamp(520px, 62vw, 860px);
  aspect-ratio: 1;
  pointer-events: none;
  z-index: 1;
}
.orbit {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--gray-100);
  animation: spin linear infinite;
}
.orbit--1 { inset: 18%; animation-duration: 22s; }
.orbit--2 { inset: 6%;  animation-duration: 36s; animation-direction: reverse; }
.orbit--3 { inset: 0;   animation-duration: 55s; }

/* Planet arm — zero-size element at orbit center, rotates to carry the planet */
.p-arm {
  position: absolute;
  top: 50%; left: 50%;
  width: 0; height: 0;
  transform-origin: 0 0;
  animation: p-cw var(--dur) linear var(--delay, 0s) infinite;
}
.p-arm--ccw { animation-name: p-ccw; }

/* Planet dot — positioned at orbit radius from the arm's origin */
.p-dot {
  position: absolute;
  width: var(--s);
  height: var(--s);
  border-radius: 50%;
  background: var(--bg);
  top: calc(var(--s) / -2);
  left: calc(var(--r) - var(--s) / 2);
}

/* Moon arm — zero-size element at planet center, rotates independently */
.m-arm {
  position: absolute;
  top: 50%; left: 50%;
  width: 0; height: 0;
  transform-origin: 0 0;
  animation: p-cw var(--dur) linear var(--delay, 0s) infinite;
}

/* Moon dot */
.m-dot {
  position: absolute;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: #b0b0b0;
  top: -1.5px;
  left: calc(var(--mr) - 1.5px);
}

@keyframes spin  { to { transform: rotate(360deg);  } }
@keyframes p-cw  { to { transform: rotate(360deg);  } }
@keyframes p-ccw { to { transform: rotate(-360deg); } }

/* ===== SERVICES ===== */
.services {
  padding-block: clamp(4rem, 8vh, 7rem);
  background: var(--gray-050);
  border-top: 1px solid var(--gray-100);
}
.services .container { margin-bottom: 3rem; }

/* CAROUSEL */
.carousel {
  position: relative;
  overflow: hidden;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}
.carousel__track {
  display: flex;
  gap: 1.5rem;
  will-change: transform;
}

/* Desktop: static 3-column grid — JS resets transform to none */
@media (min-width: 860px) {
  .carousel { overflow: visible; }
  .carousel__track { flex-wrap: nowrap; }
  .carousel__controls { display: none; }
  /* Hide clones on desktop */
  .carousel__track > .card[aria-hidden="true"] { display: none; }
  .card { flex: 1 1 0; min-width: 0; }
}

.card {
  flex: 0 0 min(calc(100vw - 2.5rem), 480px);
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 4px;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.card:hover {
  border-color: var(--gray-300);
  box-shadow: 0 4px 24px rgba(0,0,0,.06);
}
.card__icon {
  width: 48px; height: 48px;
  color: var(--black);
}
.card__icon svg { width: 100%; height: 100%; }
.card__title {
  font-family: var(--font-display);
  font-size: 1.1875rem;
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.3;
}
.card__body {
  font-family: var(--font-sans);
  color: var(--gray-500);
  font-size: .9375rem;
  line-height: 1.75;
  flex: 1;
}
.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.card__tags li {
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .04em;
  padding: .3rem .75rem;
  border: 1px solid var(--gray-100);
  border-radius: 100px;
  color: var(--gray-500);
  background: var(--gray-050);
}

.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}
.carousel__btn {
  width: 40px; height: 40px;
  border: 1.5px solid var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  transition: border-color var(--transition), color var(--transition);
}
.carousel__btn svg { width: 18px; height: 18px; }
.carousel__btn:hover { border-color: var(--black); color: var(--black); }
.carousel__btn:disabled { opacity: .3; pointer-events: none; }
.carousel__dots { display: flex; gap: .5rem; }
.carousel__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gray-300);
  transition: background var(--transition), transform var(--transition);
  cursor: pointer;
  border: none;
}
.carousel__dot[aria-selected="true"] { background: var(--black); transform: scale(1.4); }

/* ===== ABOUT ===== */
.about {
  padding-block: clamp(4rem, 8vh, 7rem);
  border-top: 1px solid var(--gray-100);
}
.about .section__title {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  white-space: nowrap;
}
.about__body {
  font-family: var(--font-sans);
  color: var(--gray-500);
  font-size: .9375rem;
  line-height: 1.8;
  max-width: 680px;
  margin-bottom: 1rem;
}
.about__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 200px));
  gap: 1rem;
  margin-top: 2.5rem;
}
.stat {
  padding: 1.25rem 1rem;
  border: 1px solid var(--gray-100);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.stat__num {
  font-family: var(--font-display);
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1;
}
.stat__label {
  font-family: var(--font-sans);
  font-size: .75rem;
  color: var(--gray-500);
  font-weight: 400;
  line-height: 1.4;
}

/* ===== CONTACT ===== */
.contact {
  padding-block: clamp(4rem, 10vh, 8rem);
  background: var(--black);
  color: var(--white);
  border-top: 1px solid var(--gray-800);
  overflow: hidden;
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.contact__inner { max-width: 580px; }
.contact .section__label { color: var(--gray-500); }
.contact .section__title {
  font-family: var(--font-display);
  color: var(--white);
}
.contact__sub {
  font-family: var(--font-sans);
  color: var(--gray-500);
  margin-top: -1rem;
  margin-bottom: 2.5rem;
  font-size: .9375rem;
}
.contact .btn--primary {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}
.contact .btn--primary:hover { background: var(--gray-100); border-color: var(--gray-100); }
.contact__visual {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
.contact__avatar {
  width: clamp(160px, 18vw, 260px);
  height: auto;
  opacity: .55;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--gray-900);
  border-top: 1px solid var(--gray-800);
  padding-block: 1.75rem;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer__logo-img {
  height: 22px;
  width: auto;
  opacity: .85;
}
.footer__copy {
  font-family: var(--font-sans);
  font-size: .8125rem;
  color: var(--gray-500);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .about__stats { grid-template-columns: repeat(3, 1fr); }
  .contact__grid { grid-template-columns: 1fr; }
  .contact__visual { display: none; }
}

@media (max-width: 700px) {
  .nav__links {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    box-shadow: 0 8px 24px rgba(0,0,0,.06);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem clamp(1.25rem, 5vw, 3rem);
    gap: 1.25rem;
    transform: translateY(-110%);
    visibility: hidden;
    transition: transform var(--transition), visibility 0s var(--transition);
    z-index: 99;
  }
  .nav__links.is-open {
    transform: translateY(0);
    visibility: visible;
    transition: transform var(--transition), visibility 0s;
  }
  .nav__burger { display: flex; }

  .hero__orbit { opacity: .35; right: -15vw; }
  .about__stats { grid-template-columns: 1fr 1fr; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero__cta { flex-direction: column; }
  .hero__cta .btn { width: 100%; justify-content: center; }
  .about__stats { grid-template-columns: 1fr 1fr; }
}

/* ===== FOCUS STYLES ===== */
:focus-visible {
  outline: 2px solid var(--black);
  outline-offset: 3px;
  border-radius: 2px;
}