:root {
  --bg: var(--paper);
  --primary: var(--primary-900);
  --primary-deep: var(--primary-950);
  --accent: var(--accent-500);
  --card: #ffffff;
  --muted: rgba(31, 41, 55, 0.7);
}

/* Layout helpers */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Typography */
.h1 {
  font-size: clamp(28px, 3vw, 36px);
  letter-spacing: 0.02em;
  margin: 0;
}
.h2 {
  font-size: clamp(22px, 2.4vw, 32px);
  margin: 0;
  letter-spacing: 0.01em;
}
.h2.invert { color: #fff; }
.h3 {
  font-size: 18px;
  margin: 0;
}
.p {
  color: var(--muted);
  line-height: 1.9;
  margin: 10px 0 0;
}
.p.invert { color: rgba(255,255,255,0.78); }
.p.small { font-size: 14px; }
.lead { color: var(--muted); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 800;
  letter-spacing: 0.02em;
  border: 1px solid rgba(0,0,0,0.08);
  transition: transform .15s ease, background .2s ease, opacity .2s ease;
  will-change: transform;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: var(--primary);
  border-color: rgba(0,0,0,0.10);
  color: #fff;
}
.btn--primary:hover { opacity: 0.94; }
.btn--ghost {
  background: rgba(255,255,255,0.65);
  color: #111827;
}

.link { color: #fff; text-decoration: underline; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 14px 0;
}

.site-header__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(10px);
  border-radius: 999px;
  box-shadow: 0 12px 40px rgba(0,0,0,.08);
  border: 1px solid rgba(0,0,0,0.06);
}

.site-header__logo {
  font-weight: 900;
  text-decoration: none;
  color: #111827;
  padding: 16px 18px;
  letter-spacing: 0.18em;
}

.site-header__nav { display: none; }
.site-header__nav ul {
  list-style: none;
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0;
  font-size: 14px;
  font-weight: 800;
}
.site-header__nav a { text-decoration: none; color: rgba(17,24,39,.8); }
.site-header__nav a:hover { color: rgba(17,24,39,1); }

.site-header__cta {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
}

.site-header__menu {
  display: inline-flex;
  height: 44px;
  width: 44px;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,0.10);
  background: rgba(255,255,255,0.75);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.mobile-menu {
  max-width: 1120px;
  margin: 10px auto 0;
  padding: 12px;
  border-radius: 24px;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 12px 40px rgba(0,0,0,.08);
}

.mobile-menu a {
  display: block;
  padding: 12px 14px;
  border-radius: 16px;
  text-decoration: none;
  color: #111827;
  font-weight: 800;
}
.mobile-menu a:hover { background: rgba(0,0,0,0.05); }
.mobile-menu__primary { background: var(--primary); color: #fff !important; }
.mobile-menu__ghost { background: rgba(255,255,255,0.7); border: 1px solid rgba(0,0,0,0.08); }

@media (min-width: 1024px) {
  .site-header__nav { display: block; }
  .site-header__menu, #mobile-menu { display: none !important; }
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - 90px);
  display: grid;
  align-items: center;
  overflow: hidden;
  border-radius: 36px;
  margin: 10px 16px 0;
}

.hero__slides {
  position: absolute;
  inset: 0;
  background: #0b0b0b;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.08);
  transition: transform 7s linear, opacity 1.8s ease;
  filter: saturate(0.9) contrast(1.05);
}

.hero__slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.hero__slides::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0.55));
}

.hero__inner {
  position: relative;
  z-index: 2;
  padding: 60px 20px;
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
  color: #fff;
}

.hero__kicker {
  font-size: 13px;
  letter-spacing: 0.22em;
  font-weight: 800;
  opacity: 0.9;
}

.hero__title {
  margin: 14px 0 0;
  font-size: clamp(40px, 6vw, 86px);
  letter-spacing: 0.06em;
  font-weight: 900;
  text-shadow: 0 12px 40px rgba(0,0,0,0.35);
}

.hero__lead {
  margin: 18px auto 0;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.9;
  opacity: 0.9;
}

.hero__note {
  margin: 18px auto 0;
  max-width: 60ch;
  font-size: 13px;
  opacity: 0.75;
}

.hero__cta {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 2;
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.25);
  display: grid;
  place-items: center;
  text-decoration: none;
}

@media (min-width: 640px) {
  .hero__cta { flex-direction: row; }
}

/* Sections */
.section {
  padding: 90px 0;
}
.section--paper {
  background: rgba(255,255,255,0.6);
}
.section--dark {
  background: var(--primary-deep);
}
.section__head {
  max-width: 62ch;
}

/* Cards */
.grid3 {
  margin-top: 26px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.card {
  border-radius: 22px;
  overflow: hidden;
  background: rgba(255,255,255,0.90);
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}

.card__imgwrap {
  height: 240px;
  overflow: hidden;
}

.card__img {
  width: 100%;
  height: 120%;
  object-fit: cover;
  display: block;
  transform: translateY(-6%);
  will-change: transform;
}

.card__body {
  padding: 18px 18px 22px;
}

@media (min-width: 900px) {
  .grid3 { grid-template-columns: repeat(3, 1fr); }
}

/* Steps */
.steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(0,0,0,0.06);
}

.step__n {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: rgba(132, 204, 22, 0.22);
  border: 1px solid rgba(132, 204, 22, 0.35);
  display: grid;
  place-items: center;
  font-weight: 900;
  color: #111827;
}

.step__t {
  margin: 0;
  font-weight: 900;
}

@media (min-width: 900px) {
  .steps { grid-template-columns: repeat(4, 1fr); }
  .step { grid-template-columns: 1fr; }
  .step__n { margin-bottom: 10px; }
}

/* Contact CTA */
.cta {
  display: grid;
  gap: 18px;
  align-items: start;
}

.cta__box {
  background: rgba(255,255,255,0.95);
  border-radius: 24px;
  padding: 22px;
}

.cta__tel {
  display: block;
  text-decoration: none;
  color: #111827;
  font-weight: 900;
  font-size: clamp(28px, 3.5vw, 44px);
  letter-spacing: 0.02em;
}

.cta__actions { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 10px; }

@media (min-width: 900px) {
  .cta { grid-template-columns: 1fr 1fr; }
  .cta__box { padding: 28px; }
}

/* Footer */
.site-footer {
  background: #0b0b0b;
  color: rgba(255,255,255,0.78);
  border-top: 1px solid rgba(255,255,255,0.10);
}
.site-footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 20px;
  display: grid;
  gap: 16px;
}
.site-footer__title { margin: 0; color: #fff; font-weight: 900; font-size: 18px; }
.site-footer__desc { margin: 8px 0 0; font-size: 14px; }
.site-footer__meta { margin: 10px 0 0; font-size: 12px; opacity: 0.8; }
.site-footer__nav { display: flex; gap: 16px; flex-wrap: wrap; }
.site-footer__nav a { color: rgba(255,255,255,0.78); text-decoration: none; font-weight: 800; font-size: 13px; }
.site-footer__nav a:hover { color: #fff; }
.site-footer__copy { margin: 8px 0 0; font-size: 12px; opacity: 0.7; }

/* Bottom CTA */
.bottom-cta {
  position: fixed;
  left: 10px;
  right: 10px;
  bottom: 10px;
  z-index: 60;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255,255,255,0.95);
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 12px 40px rgba(0,0,0,0.16);
}
.bottom-cta a {
  padding: 14px 10px;
  text-align: center;
  text-decoration: none;
  font-weight: 900;
}
.bottom-cta__tel { color: var(--primary); }
.bottom-cta__contact { background: var(--accent); color: #111827; }

@media (min-width: 768px) {
  .bottom-cta { display: none; }
}

/* Fade-in */
.fade-in {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.fade-in.is-active {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .fade-in { opacity: 1; transform: none; }
  .hero__slide { transition: opacity .01s linear; }
}