/* ── Reset & Base ─────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --green-900: #064e3b;
  --green-800: #065f46;
  --green-700: #047857;
  --green-600: #059669;
  --green-500: #10b981;
  --green-400: #34d399;
  --cream-50:  #faf9f6;
  --cream-100: #f5f0e8;
  --cream-200: #e8e0d0;
  --neutral-50:  #f9fafb;
  --neutral-100: #f3f4f6;
  --neutral-200: #e5e7eb;
  --neutral-300: #d1d5db;
  --neutral-400: #9ca3af;
  --neutral-500: #6b7280;
  --neutral-600: #4b5563;
  --neutral-700: #374151;
  --neutral-800: #1f2937;
  --neutral-900: #111827;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.1), 0 4px 12px rgba(0,0,0,.06);
  --transition: .25s cubic-bezier(.4,0,.2,1);
}

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

body {
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--neutral-800);
  background-color: var(--cream-50);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--green-800);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  z-index: 200;
  font-weight: 600;
}
.skip-link:focus {
  top: 16px;
}

/* ── Typography ───────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--neutral-900);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'DM Sans', sans-serif;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green-700);
  background: rgba(4, 120, 87, .08);
  border: 1px solid rgba(4, 120, 87, .18);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--neutral-600);
  max-width: 560px;
  line-height: 1.7;
}

.section-header--centered {
  text-align: center;
}
.section-header--centered .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* ── Buttons ──────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  padding: 13px 28px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--green-800);
  color: #fff;
  border-color: var(--green-800);
}
.btn-primary:hover {
  background: var(--green-700);
  border-color: var(--green-700);
  box-shadow: 0 8px 24px rgba(4,120,87,.25);
}

.btn-outline {
  background: transparent;
  color: var(--green-800);
  border-color: var(--green-800);
}
.btn-outline:hover {
  background: var(--green-800);
  color: #fff;
  box-shadow: 0 8px 24px rgba(4,120,87,.2);
}

.btn-ghost {
  background: rgba(255,255,255,.12);
  color: #fff;
  border-color: rgba(255,255,255,.35);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover {
  background: #fff;
  color: var(--green-800);
  border-color: #fff;
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
}

.btn-sm { padding: 9px 20px; font-size: .85rem; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-full { width: 100%; }

/* ── Header ───────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250,249,246,.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,.06);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--green-800);
}
.logo-icon {
  color: var(--green-700);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.primary-nav ul {
  display: flex;
  gap: 8px;
}
.primary-nav a:not(.btn) {
  font-size: .9rem;
  font-weight: 500;
  color: var(--neutral-600);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.primary-nav a:not(.btn):hover {
  color: var(--green-700);
  background: rgba(4,120,87,.06);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 110;
}
.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--neutral-700);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Hero ──────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(
    145deg,
    var(--green-900) 0%,
    var(--green-700) 35%,
    var(--green-500) 65%,
    var(--green-400) 100%
  );
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(6,78,59,.5) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(16,185,129,.3) 0%, transparent 50%);
  pointer-events: none;
}
.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 70% 30%, rgba(255,255,255,.06) 0%, transparent 50%),
    radial-gradient(circle at 20% 70%, rgba(0,0,0,.12) 0%, transparent 40%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 120px 24px 80px;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: rgba(255,255,255,.85);
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 28px;
  backdrop-filter: blur(6px);
}

.hero-headline {
  font-size: clamp(2.4rem, 6vw, 4.25rem);
  color: #fff;
  line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.82);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero-actions .btn-outline {
  color: #fff;
  border-color: rgba(255,255,255,.5);
}
.hero-actions .btn-outline:hover {
  background: #fff;
  color: var(--green-800);
  border-color: #fff;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.hero-stat {
  text-align: center;
}
.stat-number {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}
.stat-label {
  font-size: .8rem;
  color: rgba(255,255,255,.6);
  letter-spacing: .04em;
}
.hero-stat-divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,.2);
}

.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  line-height: 0;
}

/* ── Services ─────────────────────────────────────── */
.services {
  padding: 100px 0 110px;
  background: var(--cream-50);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.service-card {
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green-400);
}

.service-card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(4,120,87,.08);
  border-radius: var(--radius-md);
  color: var(--green-700);
  margin-bottom: 20px;
}

.service-card-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--neutral-900);
  margin-bottom: 10px;
}

.service-card p {
  font-size: .92rem;
  color: var(--neutral-600);
  line-height: 1.7;
}

/* ── About ────────────────────────────────────────── */
.about {
  padding: 100px 0;
  background: var(--cream-100);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-image-main {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-image-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-image-accent {
  position: absolute;
  bottom: -32px;
  right: -24px;
  width: 55%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--cream-100);
}
.about-image-accent img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-badge {
  position: absolute;
  top: -16px;
  left: -16px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--green-800);
  color: #fff;
  font-size: .82rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}

.about-content .section-tag { margin-bottom: 16px; }
.about-content .section-title { margin-bottom: 20px; }

.about-lead {
  font-size: 1.08rem;
  color: var(--neutral-700);
  line-height: 1.75;
  margin-bottom: 16px;
}

.about-content p {
  color: var(--neutral-600);
  line-height: 1.75;
  margin-bottom: 14px;
}

.about-list {
  margin-top: 28px;
  display: grid;
  gap: 14px;
}

.about-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .95rem;
  font-weight: 500;
  color: var(--neutral-700);
}

.check-icon {
  color: var(--green-600);
  flex-shrink: 0;
}

/* ── Why Us ───────────────────────────────────────── */
.why-us {
  padding: 100px 0;
  background: var(--green-900);
  color: #fff;
}

.why-us .section-tag {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.2);
  color: var(--green-400);
}

.why-us .section-title { color: #fff; }

.why-us .section-desc {
  color: rgba(255,255,255,.65);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.why-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: background var(--transition), transform var(--transition);
}
.why-card:hover {
  background: rgba(255,255,255,.09);
  transform: translateY(-4px);
}

.why-card-number {
  font-family: 'Playfair Display', serif;
  font-size: 2.8rem;
  font-weight: 800;
  color: rgba(255,255,255,.08);
  line-height: 1;
  margin-bottom: 16px;
}

.why-card-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.why-card p {
  font-size: .88rem;
  color: rgba(255,255,255,.6);
  line-height: 1.7;
}

/* ── Gallery ──────────────────────────────────────── */
.gallery {
  padding: 100px 0 110px;
  background: var(--cream-50);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
  margin-top: 56px;
}

.gallery-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.gallery-item:hover img {
  transform: scale(1.04);
}

.gallery-item--wide {
  grid-column: span 2;
}

/* ── CTA ──────────────────────────────────────────── */
.cta {
  padding: 100px 0;
  background: linear-gradient(
    135deg,
    var(--green-800) 0%,
    var(--green-600) 100%
  );
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 0% 100%, rgba(0,0,0,.2) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 100% 0%, rgba(255,255,255,.06) 0%, transparent 50%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-content { max-width: 480px; }
.cta-tag { color: var(--green-300, #6ee7b7); background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.2); }
.cta-title { color: #fff; margin-bottom: 16px; }
.cta-text {
  font-size: 1.05rem;
  color: rgba(255,255,255,.75);
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.cta-actions .btn-ghost:hover {
  background: var(--green-800);
  color: #fff;
  border-color: var(--green-800);
}

/* ── Contact ──────────────────────────────────────── */
.contact {
  padding: 100px 0;
  background: var(--cream-100);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-desc {
  font-size: 1.02rem;
  color: var(--neutral-600);
  line-height: 1.75;
  margin-bottom: 36px;
}

.contact-details {
  display: grid;
  gap: 28px;
}

.contact-detail { }

.contact-detail dt {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--green-700);
  margin-bottom: 6px;
}

.contact-icon { color: var(--green-600); }

.contact-detail dd {
  font-size: 1rem;
  color: var(--neutral-700);
  line-height: 1.7;
}
.contact-detail dd a {
  color: var(--neutral-700);
  transition: color var(--transition);
}
.contact-detail dd a:hover { color: var(--green-700); }

/* ── Form ─────────────────────────────────────────── */
.contact-form-wrap {
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.contact-form-title {
  font-size: 1.35rem;
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--neutral-700);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: 'DM Sans', sans-serif;
  font-size: .95rem;
  color: var(--neutral-800);
  background: var(--neutral-50);
  border: 1.5px solid var(--neutral-200);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(16,185,129,.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--neutral-400);
}

.form-success {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(4,120,87,.07);
  border: 1px solid rgba(4,120,87,.18);
  border-radius: var(--radius-sm);
  color: var(--green-800);
  font-size: .9rem;
  font-weight: 500;
}
.form-success svg { color: var(--green-600); flex-shrink: 0; }

/* ── Footer ───────────────────────────────────────── */
.site-footer {
  background: var(--neutral-900);
  color: rgba(255,255,255,.6);
  padding: 64px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.logo--light { color: #fff; margin-bottom: 16px; }
.logo--light .logo-icon { color: var(--green-400); }

.footer-brand p {
  font-size: .9rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-heading {
  font-family: 'DM Sans', sans-serif;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 18px;
}

.footer-links ul {
  display: grid;
  gap: 10px;
}
.footer-links a {
  font-size: .9rem;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--green-400); }

.footer-contact address {
  font-style: normal;
  font-size: .9rem;
  line-height: 1.7;
  margin-bottom: 10px;
}
.footer-contact a {
  color: var(--green-400);
  transition: color var(--transition);
}
.footer-contact a:hover { color: var(--green-300); }

.footer-bottom {
  padding: 24px 0;
  font-size: .82rem;
  color: rgba(255,255,255,.3);
}

/* ── Back to Top ──────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-800);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition), background var(--transition);
  z-index: 90;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover { background: var(--green-700); }

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { gap: 48px; }
  .footer-inner { grid-template-columns: 1.5fr 1fr; }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .primary-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 85vw);
    background: var(--cream-50);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 8px;
    padding: 80px 32px 32px;
    box-shadow: -8px 0 40px rgba(0,0,0,.12);
    transform: translateX(100%);
    transition: transform .35s cubic-bezier(.4,0,.2,1);
    z-index: 105;
  }
  .primary-nav.open { transform: translateX(0); }
  .primary-nav ul {
    flex-direction: column;
    gap: 4px;
    width: 100%;
  }
  .primary-nav a:not(.btn) {
    display: block;
    font-size: 1.05rem;
    padding: 12px 16px;
    width: 100%;
  }
  .primary-nav .btn { margin-top: 16px; width: 100%; justify-content: center; }

  .hero { min-height: 88vh; }
  .hero-content { padding: 100px 20px 100px; }
  .hero-stats { gap: 16px; }
  .hero-stat-divider { display: none; }

  .services { padding: 72px 0; }
  .services-grid { grid-template-columns: 1fr; gap: 16px; }

  .about { padding: 72px 0; }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-image-accent {
    right: 0;
    bottom: -20px;
    width: 50%;
  }

  .why-us { padding: 72px 0; }
  .why-grid { grid-template-columns: 1fr; gap: 16px; }

  .gallery { padding: 72px 0 80px; }
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .gallery-item--wide { grid-column: span 2; }

  .cta { padding: 72px 0; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-content { max-width: 100%; }
  .cta-actions { justify-content: center; }

  .contact { padding: 72px 0; }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact-form-wrap { padding: 28px; }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero-headline { font-size: 2rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item--wide { grid-column: span 1; }
  .back-to-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }
}

/* ── Animations ───────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s cubic-bezier(.4,0,.2,1), transform .6s cubic-bezier(.4,0,.2,1);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s cubic-bezier(.4,0,.2,1), transform .5s cubic-bezier(.4,0,.2,1);
}
.stagger.visible > *:nth-child(1) { transition-delay: .05s; }
.stagger.visible > *:nth-child(2) { transition-delay: .1s; }
.stagger.visible > *:nth-child(3) { transition-delay: .15s; }
.stagger.visible > *:nth-child(4) { transition-delay: .2s; }
.stagger.visible > *:nth-child(5) { transition-delay: .25s; }
.stagger.visible > *:nth-child(6) { transition-delay: .3s; }
.stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}