.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: height var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  height: var(--nav-h-scrolled);
  background: rgba(var(--navy-rgb), 0.72);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--border-subtle);
  box-shadow: var(--shadow-sm);
}
:root[data-theme="light"] .nav.is-scrolled {
  background: rgba(255,255,255,0.78);
}

.nav__inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--pad-x-desktop);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: var(--ls-tight);
}
.brand__logo {
    width: 42px;
    height: 42px;
    display: block;
    object-fit: contain;
    flex: none;
    flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav__links a {
  padding: 10px 16px;
  border-radius: var(--r-full);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.nav__links a:hover { color: var(--text-primary); background: rgba(var(--white-rgb), 0.06); }
:root[data-theme="light"] .nav__links a:hover { background: rgba(26,42,61,0.06); }

.nav__actions { display: flex; align-items: center; gap: 12px; }

.theme-toggle {
  width: 44px; height: 44px;
  border-radius: var(--r-full);
  border: 1px solid var(--border-subtle);
  display: grid;
  place-items: center;
  transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.theme-toggle:hover { border-color: var(--accent); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }

.nav__burger {
  display: none;
  width: 44px; height: 44px;
  border-radius: var(--r-full);
  border: 1px solid var(--border-subtle);
  position: relative;
}
.nav__burger span, .nav__burger span::before, .nav__burger span::after {
  content: "";
  position: absolute;
  left: 13px; right: 13px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--r-full);
  transition: transform var(--dur-base) var(--ease-in-out), opacity var(--dur-base) var(--ease-in-out), top var(--dur-base) var(--ease-in-out);
}
.nav__burger span { top: 21px; }
.nav__burger span::before { top: -7px; }
.nav__burger span::after { top: 7px; }
.nav__burger.is-open span { background: transparent; }
.nav__burger.is-open span::before { top: 0; transform: rotate(45deg); }
.nav__burger.is-open span::after { top: 0; transform: rotate(-45deg); }

.nav__mobile-panel {
  position: fixed;
  inset: var(--nav-h-scrolled) 0 0 0;
  background: var(--surface-0);
  z-index: 99;
  display: flex;
  flex-direction: column;
  padding: 40px var(--pad-x-mobile);
  gap: 8px;
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.nav__mobile-panel.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.nav__mobile-panel a {
  font-family: var(--font-display);
  font-size: 1.5rem;
  padding: 14px 4px;
  border-bottom: 1px solid var(--border-subtle);
}
.nav__mobile-panel .btn { margin-top: 20px; }

.block {
  border-radius: var(--r-md);
  border: 1px solid var(--border-subtle);
  background: linear-gradient(155deg, rgba(var(--white-rgb),0.04), rgba(var(--white-rgb),0) 60%);
}
:root[data-theme="light"] .block {
  background: linear-gradient(155deg, rgba(26,42,61,0.03), rgba(26,42,61,0) 60%);
}

.orbit-mark { position: relative; }
.orbit-mark::after {
  content: "";
  position: absolute;
  width: 34%; height: 34%;
  top: -8%; right: -8%;
  border-radius: var(--r-full);
  background: var(--accent);
}

.card {
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: 36px;
  transition: transform var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--coral-rgb), 0.45);
  box-shadow: var(--shadow-md);
}

.card__icon {
  width: 52px; height: 52px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  background: rgba(var(--coral-rgb), 0.12);
  margin-bottom: 24px;
  transition: transform var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}
.card__icon svg { width: 24px; height: 24px; color: var(--accent); }
.card:hover .card__icon { transform: rotate(-8deg) scale(1.06); background: rgba(var(--coral-rgb), 0.2); }

.card__index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: var(--ls-eyebrow);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--r-full);
  border: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}
.chip svg { width: 14px; height: 14px; color: var(--accent); }

.stat {
  padding: 32px 8px;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}
.stat__num {
  font-family: var(--font-display);
  font-size: var(--fs-stat);
  font-weight: 600;
  color: var(--accent);
  letter-spacing: var(--ls-tight);
  line-height: 1;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}
.stat__label {
  margin-top: 10px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.pipeline {
  position: relative;
}
.pipeline__track {
  position: absolute;
  top: 46px;
  left: 46px; right: 46px;
  height: 2px;
  background: var(--border-subtle);
  z-index: 0;
}
.pipeline__fill {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: var(--accent);
  border-radius: var(--r-full);
  will-change: transform;
}
.pipeline__steps {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.pipeline__step { text-align: center; }
.pipeline__node {
  width: 92px; height: 92px;
  border-radius: var(--r-lg);
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  display: grid;
  place-items: center;
  margin: 0 auto 28px;
  position: relative;
  transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.pipeline__node svg { width: 34px; height: 34px; color: var(--text-muted); transition: color var(--dur-base) var(--ease-out); }
.pipeline__step.is-active .pipeline__node {
  border-color: var(--accent);
  transform: scale(1.05);
}
.pipeline__step.is-active .pipeline__node svg { color: var(--accent); }
.pipeline__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: var(--ls-eyebrow);
  margin-bottom: 12px;
  display: block;
}

.work-card {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--surface-1);
  cursor: pointer;
}
.work-card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
}
.work-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
}
.work-card:hover .work-card__media img { transform: scale(1.06); }

.work-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(var(--navy-rgb),0.92) 0%, rgba(var(--navy-rgb),0.1) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.work-card:hover .work-card__overlay { opacity: 1; transform: translateY(0); }
.work-card__type {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.work-card__result { color: var(--white); font-weight: 600; margin-top: 6px; }
.work-card__body { padding: 24px 28px 28px; }
.work-card__body h4 { margin-bottom: 6px; }
.work-card__body p { font-size: 0.9375rem; margin: 0; }

.testimonial {
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 40px;
  min-width: 340px;
  max-width: 420px;
}
.testimonial__quote {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: var(--lh-snug);
  color: var(--text-primary);
  font-weight: 500;
}
.testimonial__person {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
}
.testimonial__avatar {
  width: 48px; height: 48px;
  border-radius: var(--r-full);
  flex: none;
  overflow: hidden;
}
.testimonial__avatar img { width: 100%; height: 100%; object-fit: cover; }
.testimonial__name { font-weight: 600; font-size: 0.9375rem; }
.testimonial__role { font-size: 0.8125rem; color: var(--text-muted); }

.testimonial-track {
  display: flex;
  gap: 24px;
  width: max-content;
}

.accordion__item {
  border-bottom: 1px solid var(--border-subtle);
}
.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 4px;
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--fs-body-lg);
  font-weight: 500;
  color: var(--text-primary);
}
.accordion__icon {
  flex: none;
  width: 32px; height: 32px;
  border-radius: var(--r-full);
  border: 1px solid var(--border-subtle);
  display: grid;
  place-items: center;
  transition: transform var(--dur-base) var(--ease-in-out), border-color var(--dur-base) var(--ease-out);
}
.accordion__icon svg { width: 14px; height: 14px; }
.accordion__item.is-open .accordion__icon { transform: rotate(45deg); border-color: var(--accent); }
.accordion__panel {
  height: 0;
  overflow: hidden;
}
.accordion__panel-inner { padding: 0 4px 28px; max-width: 720px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.field input, .field select, .field textarea {
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-sm);
  padding: 16px 18px;
  color: var(--text-primary);
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-muted); }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent);
  outline: none;
}
.field textarea { resize: vertical; min-height: 120px; }

.form-status {
  margin-top: 20px;
  font-size: 0.9375rem;
  display: none;
}
.form-status.is-visible { display: block; }
.form-status--success { color: var(--accent); }
.form-status--error { color: #FF8A82; }

.confirm {
  position: fixed;
  inset: 0;
  background: rgba(var(--navy-rgb), 0.72);
  backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out);
}
.confirm.is-visible { opacity: 1; pointer-events: auto; }
.confirm__card {
  background: var(--surface-1);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  padding: 56px;
  max-width: 420px;
  text-align: center;
  transform: scale(0.9);
  transition: transform var(--dur-base) var(--ease-out);
}
.confirm.is-visible .confirm__card { transform: scale(1); }
.confirm__mark {
  width: 64px; height: 64px;
  border-radius: var(--r-full);
  background: rgba(var(--coral-rgb), 0.16);
  display: grid;
  place-items: center;
  margin: 0 auto 24px;
}
.confirm__mark svg { width: 28px; height: 28px; color: var(--accent); }

.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 10px; height: 10px;
  border-radius: var(--r-full);
  background: var(--accent);
  pointer-events: none;
  z-index: 300;
  transform: translate(-50%, -50%);
  transition: width var(--dur-fast) var(--ease-out), height var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
  mix-blend-mode: difference;
}
.cursor-dot.is-hover { width: 44px; height: 44px; background: rgba(var(--coral-rgb), 0.4); }
.cursor-dot.is-hidden { opacity: 0; }

.footer {
  border-top: 1px solid var(--border-subtle);
  padding-block: 64px 40px;
}
.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  padding-bottom: 48px;
}
.footer__links {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}
.footer__col h4 {
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.footer__col a {
  display: block;
  color: var(--text-secondary);
  padding: 6px 0;
  font-size: 0.9375rem;
  transition: color var(--dur-fast) var(--ease-out);
}
.footer__col a:hover { color: var(--accent); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.footer__socials { display: flex; gap: 10px; }
.footer__socials a {
  width: 40px; height: 40px;
  border-radius: var(--r-full);
  border: 1px solid var(--border-subtle);
  display: grid;
  place-items: center;
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.footer__socials a:hover { border-color: var(--accent); color: var(--accent); }
.footer__socials svg { width: 16px; height: 16px; }