/* ==========================================================================
   Лаборатория ВАЙБ КОД — стили лендинга
   Палитра: белый / почти-чёрный / серый + точечный бирюзовый акцент
   ========================================================================== */

:root {
  --bg: #ffffff;
  --bg-soft: #f4f4f5;
  --ink: #0c0c0e;
  --ink-soft: #18181b;
  --muted: #71717a;
  --border: #e4e4e7;
  --invert: #f4f4f5;
  --accent: #22d3ee;
  --accent-dim: rgba(34, 211, 238, 0.14);
  --shadow: 0 20px 60px -20px rgba(12, 12, 14, 0.25);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --container: 1160px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --font-body: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-display: "Unbounded", "Manrope", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink-soft);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

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

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-dim);
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--ink);
  text-wrap: balance;
}

p { margin: 0; }

.section {
  padding: 96px 0;
}

.section--soft { background: var(--bg-soft); }

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.section-head h2 {
  font-size: clamp(26px, 3.6vw, 37px);
  margin-top: 14px;
}

.section-head p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 17px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

/* Buttons ---------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
}

.btn--primary {
  background: var(--ink);
  color: var(--invert);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -10px rgba(12, 12, 14, 0.45), 0 0 0 3px var(--accent-dim);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}

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

.btn--invert {
  background: var(--bg);
  color: var(--ink);
}

.btn--invert:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.btn--on-dark {
  background: transparent;
  color: var(--invert);
  border-color: rgba(244, 244, 245, 0.3);
}

.btn--on-dark:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* Header ------------------------------------------------------------------ */

.header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease), padding .3s var(--ease);
}

.header.is-scrolled {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--border);
  padding: 12px 0;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
  letter-spacing: -0.005em;
}

.logo__mark {
  width: 36px;
  height: 36px;
  flex: none;
  transition: transform 0.3s var(--ease);
}

.logo:hover .logo__mark { transform: rotate(-4deg) scale(1.04); }

.logo__text small {
  display: block;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links a {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-soft);
  position: relative;
  padding-bottom: 4px;
  white-space: nowrap;
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--accent);
  transition: right 0.25s var(--ease);
}

.nav__links a:hover::after { right: 0; }

.header__actions { display: flex; align-items: center; gap: 18px; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex: none;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  position: relative;
  transition: transform 0.25s var(--ease), opacity .2s var(--ease);
}

.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* Hero / slider ------------------------------------------------------------ */

.hero {
  position: relative;
  padding-top: 132px;
  overflow: hidden;
  background: var(--bg);
}

.hero::before {
  content: "";
  position: absolute;
  top: -220px;
  right: -160px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-dim), transparent 70%);
  pointer-events: none;
  animation: ambient-drift 10s ease-in-out infinite alternate;
}

@keyframes ambient-drift {
  from { transform: translate(0, 0) scale(1); opacity: 1; }
  to { transform: translate(-30px, 40px) scale(1.12); opacity: 0.7; }
}

@media (prefers-reduced-motion: reduce) {
  .hero::before { animation: none; }
}

.slider {
  position: relative;
}

.slider__track {
  position: relative;
}

.slide {
  display: none;
  align-items: center;
  gap: 56px;
}

.slide.is-active {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
}

.slide.is-active .eyebrow,
.slide.is-active .slide__content h1,
.slide.is-active .slide__content p,
.slide.is-active .slide__actions,
.slide.is-active .slide__media {
  animation: content-rise 0.6s var(--ease) both;
}

.slide.is-active .slide__content h1 { animation-delay: 0.06s; }
.slide.is-active .slide__content p { animation-delay: 0.12s; }
.slide.is-active .slide__actions { animation-delay: 0.18s; }
.slide.is-active .slide__media { animation-delay: 0.1s; }

@keyframes content-rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .slide.is-active .eyebrow,
  .slide.is-active .slide__content h1,
  .slide.is-active .slide__content p,
  .slide.is-active .slide__actions,
  .slide.is-active .slide__media {
    animation: none;
  }
}

.slide__content { padding-bottom: 72px; }

.slide__content h1,
.slide__content h2 {
  font-size: clamp(30px, 4.1vw, 48px);
  line-height: 1.08;
  margin-top: 18px;
}

.slide__content h1 mark,
.slide__content h2 mark {
  background: var(--accent-dim);
  color: var(--ink);
  padding: 0 5px;
  margin: 0 -5px;
  border-radius: 5px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.slide__content p {
  margin-top: 22px;
  font-size: 18px;
  color: var(--muted);
  max-width: 480px;
}

.slide__actions {
  margin-top: 34px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.slide__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--bg-soft);
  box-shadow: var(--shadow);
}

.slide__media img,
.slide__media svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.slide__media img {
  filter: grayscale(88%) contrast(1.08) brightness(1.02);
  transition: filter 0.8s var(--ease);
}

.slide:hover .slide__media img,
.slide__media img:focus-visible {
  filter: grayscale(10%) contrast(1.04) brightness(1);
}

.slide__media--art { background: var(--bg-soft); }

.art-flow path {
  stroke-dasharray: 7 11;
  animation: art-flow-move 12s linear infinite;
}

.art-chip {
  animation: art-chip-float 5s ease-in-out infinite;
}

.art-chip:nth-of-type(2) { animation-delay: -2.4s; }

@keyframes art-flow-move {
  to { stroke-dashoffset: -180; }
}

@keyframes art-chip-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@media (prefers-reduced-motion: reduce) {
  .art-flow path,
  .art-chip {
    animation: none;
  }
}

.slide__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(12, 12, 14, 0.55));
}

.slide__badge {
  position: absolute;
  left: 20px;
  bottom: 20px;
  z-index: 2;
  color: var(--invert);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.02em;
}

.slide__badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px 2px var(--accent);
}

.slider__controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 32px;
  padding-bottom: 28px;
}

.slider__dots {
  display: flex;
  gap: 10px;
}

.slider__dot {
  width: 30px;
  height: 4px;
  border-radius: 4px;
  background: var(--border);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.25s var(--ease);
}

.slider__dot.is-active { background: var(--accent); }

.slider__arrows { display: flex; gap: 10px; }

.slider__arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  transition: border-color 0.2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}

.slider__arrow:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 36px 0 56px;
  border-top: 1px solid var(--border);
}

.hero-stats strong {
  display: block;
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-size: clamp(21px, 2.6vw, 28px);
  color: var(--ink);
}

.hero-stats span {
  font-size: 13.5px;
  color: var(--muted);
}

/* Manifesto ------------------------------------------------------------------- */

.manifesto {
  background: var(--ink);
  padding: 56px 0;
}

.manifesto__text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 3.2vw, 38px);
  line-height: 1.3;
  color: var(--invert);
  text-align: center;
  max-width: 880px;
  margin-inline: auto;
  text-wrap: balance;
}

.manifesto__text mark {
  background: none;
  color: var(--accent);
}

/* Services ------------------------------------------------------------------ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color .3s var(--ease);
  opacity: 0;
  transform: translateY(24px);
}

.service-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.service-card__media {
  aspect-ratio: 16 / 11;
  overflow: hidden;
  position: relative;
}

.service-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(88%) contrast(1.08);
  transition: transform 0.5s var(--ease), filter 0.6s var(--ease);
}

.service-card:hover .service-card__media img {
  transform: scale(1.06);
  filter: grayscale(15%) contrast(1.03);
}

.service-card__media--icon {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-soft);
}

.service-card__media--icon svg {
  transition: transform 0.5s var(--ease);
}

.service-card:hover .service-card__media--icon svg { transform: scale(1.08) rotate(-2deg); }

.service-card__num {
  position: absolute;
  top: 14px;
  left: 14px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(12, 12, 14, 0.55);
  color: var(--invert);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 600;
}

.service-card__body { padding: 22px 22px 26px; }

.service-card__body h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.service-card__body p {
  font-size: 14.5px;
  color: var(--muted);
}

/* Process ------------------------------------------------------------------- */

.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}

.process::before {
  content: "";
  position: absolute;
  top: 27px;
  left: 6%;
  right: 6%;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--border) 0 10px, transparent 10px 16px);
}

.process-step {
  position: relative;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s var(--ease), transform .5s var(--ease);
}

.process-step.is-visible { opacity: 1; transform: translateY(0); }

.process-step__index {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--invert);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 15px;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--bg);
}

.process-step__index::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.process-step:hover .process-step__index::after { opacity: 1; }

.process-step h3 {
  font-size: 17px;
  margin-top: 20px;
}

.process-step p {
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--muted);
}

/* About ---------------------------------------------------------------------- */

.about {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: center;
}

.about__visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: var(--ink);
}

.about__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.94;
  filter: grayscale(85%) contrast(1.06);
  transition: filter 0.7s var(--ease);
}

.about__visual:hover img { filter: grayscale(20%) contrast(1.02); }

.about__visual-frame {
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(244, 244, 245, 0.35);
  border-radius: calc(var(--radius-lg) - 10px);
  pointer-events: none;
}

.about__body p {
  color: var(--muted);
  font-size: 16.5px;
  margin-top: 18px;
  max-width: 560px;
}

.about__facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 40px;
}

.about__fact {
  padding: 20px;
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  border: 1px solid var(--border);
}

.about__fact strong {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  color: var(--ink);
  display: block;
}

.about__fact span {
  font-size: 13px;
  color: var(--muted);
}

/* CTA banner ------------------------------------------------------------------ */

.cta {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 72px 48px;
  color: var(--invert);
  isolation: isolate;
}

.cta__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.cta__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(80%) contrast(1.1);
}

.cta__overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(120deg, rgba(12, 12, 14, 0.93) 15%, rgba(12, 12, 14, 0.72) 60%, rgba(12, 12, 14, 0.55));
}

.cta__content {
  max-width: 560px;
}

.cta__content .eyebrow { color: var(--accent); }
.cta__content .eyebrow::before { background: var(--accent); }

.cta__content h2 {
  color: var(--invert);
  font-size: clamp(25px, 3.2vw, 35px);
  margin-top: 16px;
}

.cta__content p {
  margin-top: 16px;
  color: rgba(244, 244, 245, 0.72);
  font-size: 16.5px;
}

.cta__actions {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* FAQ -------------------------------------------------------------------------- */

.faq-list {
  border-top: 1px solid var(--border);
  max-width: 820px;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16.5px;
  color: var(--ink);
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::marker { content: ""; }

.faq-item summary::after {
  content: "+";
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  color: var(--muted);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.faq-item[open] summary::after {
  content: "−";
  border-color: var(--accent);
  color: var(--ink);
}

.faq-item p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 15.5px;
  max-width: 720px;
}

/* Contact / footer -------------------------------------------------------------- */

.contact {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}

.contact__info h2 { font-size: clamp(23px, 3vw, 33px); margin-top: 14px; }
.contact__info p { margin-top: 16px; color: var(--muted); font-size: 16px; max-width: 420px; }

.contact__list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.contact__list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 15px;
}

.contact__list .ico {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  color: var(--ink);
}

.contact__list strong { display: block; color: var(--ink); }
.contact__list span { color: var(--muted); font-size: 14px; }

.form {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: grid;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field { display: grid; gap: 8px; }

.field label {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font: inherit;
  background: var(--bg);
  color: var(--ink);
  transition: border-color 0.2s var(--ease), box-shadow .2s var(--ease);
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.field textarea { resize: vertical; min-height: 110px; }

.form-note {
  font-size: 12.5px;
  color: var(--muted);
}

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-inner small { color: var(--muted); font-size: 13px; }

.footer-links {
  display: flex;
  gap: 22px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links a { font-size: 13.5px; color: var(--muted); }
.footer-links a:hover { color: var(--ink); }

/* Reveal animation base --------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.reveal.is-visible { opacity: 1; transform: translateY(0); }

.about__body.reveal { transition-delay: 0.1s; }
.contact .form.reveal { transition-delay: 0.1s; }

/* Responsive ---------------------------------------------------------------------- */

@media (max-width: 980px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .process::before { display: none; }
  .about { grid-template-columns: 1fr; }
  .about__visual { max-width: 420px; }
  .contact { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .header__inner { gap: 10px; }
  .header__actions { gap: 8px; }
  .header__actions .btn--primary { padding: 10px 14px; font-size: 12.5px; }
  .logo { font-size: 12.5px; gap: 7px; }
  .logo__mark { width: 30px; height: 30px; }
  .logo__text small { display: none; }
  .nav-toggle { width: 38px; height: 38px; }
}

@media (max-width: 840px) {
  .nav__links, .header__actions .btn--ghost { display: none; }
  .nav-toggle { display: flex; }

  .nav.is-open .nav__links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 16px;
    right: 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 18px;
    margin-top: 12px;
    box-shadow: var(--shadow);
    gap: 6px;
  }

  .nav.is-open .nav__links a {
    padding: 10px 4px;
    display: block;
  }

  .slide.is-active { grid-template-columns: 1fr; }
  .slide__media { order: -1; aspect-ratio: 16/11; }
  .slide__content { padding-bottom: 0; margin-top: 28px; }
}

@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .cta { padding: 48px 24px; }
  .slider__controls { flex-wrap: wrap; gap: 16px; }
}