/* =========================================================
   櫻姬堂 Life Rejuve — Shared Styles
   ========================================================= */

:root {
  /* Banner-inspired palette: cream, wood, tan, deep brown */
  --color-bg: #fdfbf7;
  --color-bg-soft: #f5efe6;
  --color-surface: #ffffff;
  --color-ink: #4a3728;
  --color-ink-soft: #6b5545;
  --color-muted: #958274;
  --color-primary: #bc8f71;
  --color-primary-deep: #4a3728;
  --color-accent: #c69c7c;
  --color-accent-soft: #e8d5c0;
  --color-sakura: #ead7cf;
  --color-wood: #e5c7a7;
  --color-line: rgba(74, 55, 40, 0.12);
  --color-overlay: rgba(74, 55, 40, 0.42);
  --color-success: #4f6b4f;
  --color-error: #9b4a3c;

  --font-display: "Cormorant Garamond", "Noto Serif TC", Georgia, serif;
  --font-body: "Manrope", "Noto Sans TC", sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6.5rem;

  --radius-sm: 0.4rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;

  --shadow-soft: 0 12px 40px rgba(74, 55, 40, 0.08);
  --header-h: 7.25rem;
  --container: 72rem;
  --transition: 0.28s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background:
    radial-gradient(circle at top left, rgba(229, 199, 167, 0.35), transparent 40%),
    radial-gradient(circle at 85% 12%, rgba(188, 143, 113, 0.16), transparent 32%),
    linear-gradient(180deg, #fdfbf7 0%, var(--color-bg) 42%, #f7f1e8 100%);
  line-height: 1.7;
  min-height: 100vh;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(253, 251, 247, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
  background: rgba(253, 251, 247, 0.95);
  border-bottom-color: var(--color-line);
  box-shadow: 0 8px 24px rgba(74, 55, 40, 0.05);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand-logo {
  width: auto;
  height: 6.3rem;
  object-fit: contain;
  border-radius: 50%;
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  margin: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.28rem;
  line-height: 1;
  appearance: none;
  -webkit-appearance: none;
}

.nav-toggle span {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: var(--color-ink);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.site-nav a {
  position: relative;
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  padding: 0.35rem 0;
  transition: color var(--transition);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  color: var(--color-primary-deep);
}

.site-nav a.is-active::after,
.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.45rem;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff !important;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  transition: background var(--transition), transform var(--transition);
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--color-primary-deep);
  transform: translateY(-1px);
}

body.nav-open {
  overflow: hidden;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 3rem;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-primary-deep);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.12);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary-deep);
  border-color: var(--color-primary);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background: rgba(188, 143, 113, 0.12);
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

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

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  align-items: end;
  color: #fff;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: heroDrift 18s ease-in-out infinite alternate;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(74, 55, 40, 0.28) 0%, rgba(74, 55, 40, 0.52) 58%, rgba(74, 55, 40, 0.72) 100%),
    linear-gradient(90deg, rgba(74, 55, 40, 0.32), transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: clamp(3rem, 8vw, 6rem) 0;
  max-width: 40rem;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0.02em;
  margin: 0 0 0.35rem;
}

.hero-brand span {
  display: block;
  font-size: 0.34em;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  opacity: 0.88;
  margin-top: 0.55rem;
  font-family: var(--font-body);
  font-weight: 500;
}

.hero-title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.15rem);
  font-weight: 500;
  line-height: 1.35;
}

.hero-text {
  margin: 0 0 var(--space-6);
  max-width: 34rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.02rem;
}

.page-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(3.5rem, 8vw, 5.5rem) 0 2.5rem;
  background: url("../images/titlebg.jpg") center / cover no-repeat;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: rgba(253, 251, 247, 0.5);
  pointer-events: none;
}

.page-hero > .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 600;
  color: var(--color-primary-deep);
  line-height: 1.15;
}

.page-hero p {
  margin: 0;
  max-width: 40rem;
  color: var(--color-ink-soft);
  font-size: 1.05rem;
}

/* ---------- Sections ---------- */

.section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(245, 239, 230, 0.75));
}

.section-head {
  max-width: 40rem;
  margin-bottom: var(--space-7);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.6rem;
  color: var(--color-primary);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-head h2,
.section h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 600;
  color: var(--color-primary-deep);
  line-height: 1.2;
}

.lead {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 1.05rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.35rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.media-frame {
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  background: var(--color-bg-soft);
}

.media-frame img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

.prose p {
  margin: 0 0 1rem;
  color: var(--color-ink-soft);
}

.prose p:last-child {
  margin-bottom: 0;
}

/* ---------- Service / Feature blocks ---------- */

.service-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.service-item {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 1rem;
}

.service-item figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-bg-soft);
}

.service-item img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

.service-item h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--color-primary-deep);
}

.service-item p {
  margin: 0 0 0.75rem;
  color: var(--color-ink-soft);
}

.service-item p:last-child {
  margin-bottom: 0;
}

.service-benefits {
  margin: 0 0 0.85rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.service-benefits li {
  position: relative;
  padding-left: 1rem;
  color: var(--color-ink-soft);
}

.service-benefits li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--color-primary);
}

.service-detail {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.service-detail-media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  background: var(--color-bg-soft);
}

.service-detail-media img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

.service-detail-content p {
  margin: 0 0 0.85rem;
  color: var(--color-ink-soft);
}

.service-detail-cta {
  margin-top: 1.5rem;
}

.service-card-link {
  display: block;
  color: inherit;
  height: 100%;
}

.service-card-link:hover h3,
.service-card-link:focus-visible h3 {
  color: var(--color-primary);
}

.service-card-more {
  display: inline-flex;
  margin-top: 0.75rem;
  color: var(--color-primary-deep);
  font-size: 0.92rem;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.page-hero .eyebrow a {
  color: inherit;
  text-decoration: none;
}

.page-hero .eyebrow a:hover,
.page-hero .eyebrow a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.feature-list {
  display: grid;
  gap: 1.1rem;
}

.feature-item {
  padding: 1.15rem 0;
  border-top: 1px solid var(--color-line);
}

.feature-item:last-child {
  border-bottom: 1px solid var(--color-line);
}

.feature-item h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--color-primary-deep);
}

.feature-item p {
  margin: 0;
  color: var(--color-ink-soft);
}

/* ---------- Promo banner ---------- */

.price-lists {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.price-group {
  padding: 1.35rem 1.25rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.75);
}

.price-group h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  color: var(--color-primary-deep);
}

.price-group ul {
  display: grid;
  gap: 0.7rem;
}

.price-group li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  padding-bottom: 0.55rem;
  border-bottom: 1px dotted rgba(74, 55, 40, 0.22);
  color: var(--color-ink-soft);
  font-size: 0.95rem;
}

.price-group li span:last-child {
  white-space: nowrap;
  color: var(--color-primary-deep);
  font-weight: 600;
}

@media (max-width: 960px) {
  .price-lists {
    grid-template-columns: 1fr;
  }
}

.promo-banner-frame {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  background: var(--color-bg-soft);
}

.promo-banner-frame img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- Social / CTA band ---------- */

.social-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.6rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--color-ink-soft);
  font-size: 0.9rem;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.social-link:hover,
.social-link:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary-deep);
  background: #fff;
}

.cta-band {
  position: relative;
  overflow: hidden;
  padding: clamp(3.5rem, 7vw, 5rem) 0;
  background:
    linear-gradient(120deg, rgba(74, 55, 40, 0.92), rgba(188, 143, 113, 0.88)),
    url("../images/hero-home.jpg") center / cover;
  color: #fff;
}

.cta-band .section-head h2,
.cta-band .lead {
  color: #fff;
}

.cta-band .lead {
  opacity: 0.9;
}

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

.contact-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.contact-card,
.form-card {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: var(--shadow-soft);
}

.contact-list {
  display: grid;
  gap: 1rem;
  margin: 1.25rem 0 1.75rem;
}

.contact-list a {
  color: var(--color-primary-deep);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.contact-list dt {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.2rem;
}

.contact-list dd {
  margin: 0;
  color: var(--color-ink);
}

.map-embed {
  margin-top: 1.5rem;
}

.map-embed iframe {
  width: 100%;
  min-height: 16rem;
  border: 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  background: var(--color-bg-soft);
}

.map-caption {
  margin: 0.75rem 0 0;
  font-size: 0.92rem;
}

.map-caption a {
  color: var(--color-primary-deep);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.map-placeholder {
  margin-top: 1.5rem;
  min-height: 14rem;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(188, 143, 113, 0.45);
  background:
    linear-gradient(135deg, rgba(229, 199, 167, 0.35), rgba(232, 213, 192, 0.4)),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 10px,
      rgba(255, 255, 255, 0.28) 10px,
      rgba(255, 255, 255, 0.28) 20px
    );
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1.5rem;
  color: var(--color-ink-soft);
}

.map-placeholder strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--color-primary-deep);
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.form-grid {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: grid;
  gap: 0.4rem;
}

.form-row label {
  font-size: 0.92rem;
  color: var(--color-ink-soft);
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 0.85rem 0.95rem;
  color: var(--color-ink);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(188, 143, 113, 0.18);
}

.form-row textarea {
  min-height: 9rem;
  resize: vertical;
}

.form-status {
  min-height: 1.4rem;
  margin-top: 0.75rem;
  font-size: 0.95rem;
}

.form-status.is-success {
  color: var(--color-success);
}

.form-status.is-error {
  color: var(--color-error);
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 3rem 0 2rem;
  background: #4a3728;
  color: rgba(255, 255, 255, 0.82);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 0 0 0.85rem;
}

.footer-logo {
  width: 4.25rem;
  height: 4.25rem;
  object-fit: contain;
  border-radius: 50%;
  background: #f5efe6;
}

.footer-brand-text {
  font-family: var(--font-display);
  font-size: 1.55rem;
  color: #fff;
  line-height: 1.2;
}

.footer-grid p {
  margin: 0;
  max-width: 24rem;
}

.footer-grid h2 {
  margin: 0 0 0.85rem;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-soft);
  font-weight: 600;
}

.footer-grid a {
  color: rgba(255, 255, 255, 0.82);
  transition: color var(--transition);
}

.footer-grid a:hover,
.footer-grid a:focus-visible {
  color: #fff;
}

.footer-links {
  display: grid;
  gap: 0.55rem;
}

.footer-bottom {
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ---------- Back to top / Reveal ---------- */

.whatsapp-float {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 920;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.35rem;
  height: 3.35rem;
  border-radius: 999px;
  background: #25d366;
  color: #fff;
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.35);
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  background: #1ebe57;
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(37, 211, 102, 0.4);
}

.whatsapp-float svg {
  width: 1.55rem;
  height: 1.55rem;
  fill: currentColor;
}

.back-to-top {
  position: fixed;
  right: 1.1rem;
  bottom: 4.85rem;
  z-index: 900;
  width: 2.8rem;
  height: 2.8rem;
  border: none;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.6rem);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition), background var(--transition);
  box-shadow: var(--shadow-soft);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  background: var(--color-primary-deep);
}

.reveal {
  opacity: 0;
  transform: translateY(1.4rem);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@keyframes heroDrift {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.1) translate3d(-1.5%, -1%, 0);
  }
}

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

@media (max-width: 960px) {
  .grid-2,
  .contact-layout,
  .footer-grid,
  .service-detail {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .grid-4,
  .service-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 6.75rem;
  }

  .brand-logo {
    height: 5.75rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(253, 251, 247, 0.98);
    border-bottom: 1px solid var(--color-line);
    padding: 1rem 1.25rem 1.35rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
  }

  .site-nav a {
    display: block;
    padding: 0.75rem 0.2rem;
  }

  .nav-cta {
    width: 100%;
    margin-top: 0.35rem;
  }

  .hero {
    min-height: 78vh;
    align-items: center;
  }

  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .service-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .cta-group {
    width: 100%;
  }

  .cta-group .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}