/* ==========================================================================
   ALBA DIGITAL — Sistema de diseño
   Paleta y formas derivadas del logotipo (arcos del amanecer).
   ========================================================================== */

:root {
  /* Núcleo — tomado del ícono */
  --ink: #1a1a1c;          /* fondo del ícono */
  --ink-soft: #26262a;
  --ink-line: #33333a;

  --coral: #fa7a50;        /* el sol */
  --coral-deep: #e2643c;
  --amber: #eddba0;        /* arco interior */
  --sand: #e2d3c4;         /* arco medio */
  --mist: #b0b0b0;         /* arco exterior */

  --cream: #f5f1ea;        /* fondo del lockup horizontal */
  --cream-deep: #ebe5db;
  --white: #ffffff;

  /* Texto */
  --text-dark: #1a1a1c;
  --text-mid: #5c5c62;
  --text-light: #f5f1ea;
  --text-light-mid: #a8a8ae;

  /* Tipografía */
  --font-display: 'Jost', 'Century Gothic', 'Futura', system-ui, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Ritmo */
  --gap: clamp(1rem, 2vw, 1.5rem);
  --section-y: clamp(5rem, 10vw, 8.5rem);
  --radius: 18px;
  --radius-lg: 28px;
  --maxw: 1180px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--text-dark);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* Tipografía ------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.6rem, 7vw, 5.2rem); }
h2 { font-size: clamp(2rem, 4.4vw, 3.2rem); }
h3 { font-size: clamp(1.35rem, 2.2vw, 1.75rem); font-weight: 400; }

p { font-size: clamp(1rem, 1.15vw, 1.0625rem); }

.lede {
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  line-height: 1.6;
  color: var(--text-mid);
  max-width: 62ch;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--coral-deep);
  margin-bottom: 1.25rem;
  display: block;
}

/* Layout ----------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2.5rem);
}

section { padding-block: var(--section-y); position: relative; }

.section-head { max-width: 68ch; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head p { margin-top: 1.25rem; color: var(--text-mid); font-size: 1.0625rem; }

/* Secciones oscuras ------------------------------------------------------ */
.dark {
  background: var(--ink);
  color: var(--text-light);
}
.dark .lede,
.dark .section-head p,
.dark p { color: var(--text-light-mid); }
.dark .eyebrow { color: var(--coral); }
.dark h1, .dark h2, .dark h3 { color: var(--text-light); }

/* ==========================================================================
   Navegación
   ========================================================================== */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding-block: 1.1rem;
  transition: background .4s var(--ease), padding .4s var(--ease), box-shadow .4s var(--ease);
}
.nav.scrolled {
  background: rgba(245, 241, 234, 0.86);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  padding-block: 0.7rem;
  box-shadow: 0 1px 0 rgba(26, 26, 28, 0.07);
}
.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.brand span {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--text-light);
  transition: color .4s var(--ease);
}
.nav.scrolled .brand span { color: var(--text-dark); }

.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a {
  font-size: 0.9rem;
  color: var(--text-light-mid);
  transition: color .25s ease;
  position: relative;
}
.nav.scrolled .nav-links a { color: var(--text-mid); }
.nav-links a:hover { color: var(--coral); }

.lang {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  border: 1px solid rgba(245, 241, 234, 0.25);
  border-radius: 100px;
  padding: 0.35rem 0.8rem;
  color: var(--text-light-mid);
  transition: all .25s ease;
}
.nav.scrolled .lang { border-color: rgba(26, 26, 28, 0.18); color: var(--text-mid); }
.lang:hover { border-color: var(--coral); color: var(--coral); }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.4rem;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--cream);
  margin: 5px 0;
  transition: background .3s ease;
}
.nav.scrolled .nav-toggle span { background: var(--ink); }

/* ==========================================================================
   Hero — el amanecer
   ========================================================================== */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: var(--ink);
  color: var(--text-light);
  padding-block: 8rem 5rem;
  overflow: hidden;
  position: relative;
}

.hero .wrap { position: relative; z-index: 2; }

/* Arcos concéntricos que salen desde el borde inferior */
.sunrise {
  position: absolute;
  bottom: -6%;
  left: 50%;
  transform: translateX(-50%);
  width: min(1400px, 165vw);
  aspect-ratio: 2 / 1;
  pointer-events: none;
  z-index: 1;
}
.arc {
  position: absolute;
  bottom: 0;
  left: 50%;
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  transform: translateX(-50%) translateY(30px);
  opacity: 0;
  animation: rise 1.9s var(--ease) forwards;
}
.arc-1 { width: 100%; height: 100%;  background: rgba(176, 176, 176, 0.34); animation-delay: .15s; }
.arc-2 { width: 74%;  height: 74%;   background: rgba(226, 211, 196, 0.40); animation-delay: .35s; }
.arc-3 { width: 50%;  height: 50%;   background: rgba(237, 219, 160, 0.55); animation-delay: .55s; }

.sun {
  position: absolute;
  bottom: 4.5%;
  left: 50%;
  width: 11%;
  aspect-ratio: 1;
  background: var(--coral);
  border-radius: 50%;
  transform: translateX(-50%) translateY(40px);
  opacity: 0;
  animation: rise 1.9s var(--ease) .75s forwards;
  box-shadow: 0 0 90px 20px rgba(250, 122, 80, 0.28);
}
.horizon {
  position: absolute;
  bottom: 4%;
  left: 50%;
  width: 68%;
  height: 1.6%;
  min-height: 8px;
  background: var(--sand);
  border-radius: 100px;
  transform: translateX(-50%) scaleX(0.4);
  opacity: 0;
  animation: horizonIn 1.6s var(--ease) .95s forwards;
}

@keyframes rise {
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
@keyframes horizonIn {
  to { opacity: 1; transform: translateX(-50%) scaleX(1); }
}

.hero-copy { max-width: 46rem; }
.hero h1 { margin-bottom: 1.5rem; }
.hero h1 .accent { color: var(--coral); }
.hero .tagline {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 2rem;
}
.hero .lede { color: var(--text-light-mid); margin-bottom: 2.5rem; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; }

/* Botones ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 0.95rem 1.8rem;
  border-radius: 100px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .3s var(--ease);
}
.btn-primary {
  background: var(--coral);
  color: #fff;
}
.btn-primary:hover {
  background: var(--coral-deep);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -8px rgba(250, 122, 80, 0.5);
}
.btn-ghost {
  border-color: rgba(245, 241, 234, 0.28);
  color: var(--text-light);
}
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }

.dark .btn-outline { border-color: rgba(245,241,234,.28); color: var(--text-light); }
.btn-outline {
  border-color: rgba(26, 26, 28, 0.2);
  color: var(--text-dark);
}
.btn-outline:hover { border-color: var(--coral); color: var(--coral); }

/* ==========================================================================
   ALBA CLÍNICA — identidad de sección
   ========================================================================== */
.kicker-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-light-mid);
  border: 1px solid rgba(245,241,234,.2);
  border-radius: 100px;
  padding: 0.3rem 0.75rem;
  transition: all .25s ease;
}
.nav.scrolled .kicker-back { color: var(--text-mid); border-color: rgba(26,26,28,.16); }
.kicker-back:hover { border-color: var(--coral); color: var(--coral); }

.brand .sub {
  font-family: var(--font-display);
  font-weight: 300;
  opacity: .7;
}

/* Producto a detalle */
.product {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(26,26,28,.08);
  background: var(--white);
  padding: clamp(1.75rem, 3.5vw, 3rem);
  transition: box-shadow .4s var(--ease);
}
.product + .product { margin-top: clamp(1.5rem, 3vw, 2.25rem); }
.product:hover { box-shadow: 0 30px 60px -40px rgba(26,26,28,.3); }
.product-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-bottom: 1px solid rgba(26,26,28,.08);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
}
.product-head h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.product-head .role {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--coral-deep);
}
.product-lede { color: var(--text-mid); font-size: 1.05rem; max-width: 60ch; margin-bottom: 1.75rem; }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem 2rem; }
.feature { display: flex; gap: 0.85rem; }
.feature .dot {
  flex: none;
  width: 30px; height: 30px;
  border-radius: 9px;
  background: rgba(250,122,80,.1);
  color: var(--coral-deep);
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-size: 0.95rem;
}
.feature h4 { font-family: var(--font-display); font-weight: 500; font-size: 1.02rem; margin-bottom: 0.2rem; }
.feature p { font-size: 0.92rem; color: var(--text-mid); line-height: 1.55; }

.product-foot { margin-top: 1.75rem; padding-top: 1.5rem; border-top: 1px solid rgba(26,26,28,.08); display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
.product-foot .note { font-size: 0.88rem; color: var(--text-mid); }

/* Modelo TCO transparente */
.tco { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1px; background: rgba(26,26,28,.1); border: 1px solid rgba(26,26,28,.1); border-radius: var(--radius); overflow: hidden; margin-top: 1.5rem; }
.tco-item { background: var(--cream); padding: 1.4rem; }
.tco-item .n { font-family: var(--font-display); font-size: 0.8rem; color: var(--coral-deep); letter-spacing: .1em; }
.tco-item strong { display: block; font-family: var(--font-display); font-weight: 500; font-size: 1.05rem; margin: 0.35rem 0 0.3rem; }
.tco-item span { font-size: 0.88rem; color: var(--text-mid); }

/* ==========================================================================
   Franja de credibilidad
   ========================================================================== */
.strip {
  background: var(--ink-soft);
  padding-block: 2.25rem;
  border-top: 1px solid var(--ink-line);
}
.strip .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  justify-content: space-between;
  align-items: center;
}
.strip-item { display: flex; flex-direction: column; gap: 0.2rem; }
.strip-item strong {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 300;
  color: var(--amber);
}
.strip-item span {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light-mid);
}

/* ==========================================================================
   Tarjetas de producto
   ========================================================================== */
.grid { display: grid; gap: clamp(1.25rem, 2.5vw, 2rem); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.card {
  background: var(--white);
  border: 1px solid rgba(26, 26, 28, 0.07);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(250, 122, 80, 0.35);
  box-shadow: 0 24px 50px -30px rgba(26, 26, 28, 0.35);
}
.dark .card {
  background: var(--ink-soft);
  border-color: var(--ink-line);
}
.dark .card:hover { border-color: rgba(250, 122, 80, 0.45); }

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.card h3 { margin-bottom: 0.15rem; }
.card p { color: var(--text-mid); }
.dark .card p { color: var(--text-light-mid); }

.card ul { display: flex; flex-direction: column; gap: 0.6rem; margin-top: 0.25rem; }
.card ul li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.95rem;
  color: var(--text-mid);
}
.dark .card ul li { color: var(--text-light-mid); }
.card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 4px;
  background: var(--coral);
  border-radius: 100px 100px 0 0;
}

.card-foot { margin-top: auto; padding-top: 1rem; }

/* Badges de estado ------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  border-radius: 100px;
  white-space: nowrap;
}
.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.badge-beta   { background: rgba(250, 122, 80, 0.12); color: var(--coral-deep); }
.badge-pilot  { background: rgba(237, 219, 160, 0.35); color: #8a6d1f; }
.badge-dev    { background: rgba(26, 26, 28, 0.07); color: var(--text-mid); }
.dark .badge-beta  { background: rgba(250, 122, 80, 0.16); color: var(--coral); }
.dark .badge-pilot { background: rgba(237, 219, 160, 0.14); color: var(--amber); }
.dark .badge-dev   { background: rgba(245, 241, 234, 0.08); color: var(--text-light-mid); }

/* ==========================================================================
   Cumplimiento
   ========================================================================== */
.compliance {
  background: var(--cream-deep);
}
.norms { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1px; background: rgba(26,26,28,.1); border: 1px solid rgba(26,26,28,.1); border-radius: var(--radius); overflow: hidden; }
.norm {
  background: var(--cream-deep);
  padding: 1.6rem 1.4rem;
  transition: background .3s ease;
}
.norm:hover { background: var(--cream); }
.norm strong {
  font-family: var(--font-display);
  display: block;
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
}
.norm span { font-size: 0.875rem; color: var(--text-mid); line-height: 1.5; display: block; }

.pledge {
  margin-top: clamp(2rem, 4vw, 3rem);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-left: 3px solid var(--coral);
  background: var(--cream);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.pledge p {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 300;
  line-height: 1.45;
  color: var(--text-dark);
  max-width: 55ch;
}

/* ==========================================================================
   Studio
   ========================================================================== */
.studio-card {
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  background: linear-gradient(160deg, var(--ink-soft), var(--ink));
  border: 1px solid var(--ink-line);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: transform .4s var(--ease), border-color .4s var(--ease);
}
.studio-card:hover { transform: translateY(-4px); border-color: rgba(237, 219, 160, 0.4); }
.studio-card h3 { color: var(--text-light); }
.studio-card p { color: var(--text-light-mid); font-size: 0.98rem; }
.studio-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.35rem;
}
.tag {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--ink-line);
  border-radius: 100px;
  color: var(--text-light-mid);
}

/* ==========================================================================
   Contacto / lista de espera
   ========================================================================== */
.contact { background: var(--ink); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.form { display: flex; flex-direction: column; gap: 1.1rem; }
.field { display: flex; flex-direction: column; gap: 0.45rem; }
.field label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light-mid);
  font-family: var(--font-display);
}
.field input,
.field select,
.field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.9rem 1.05rem;
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: 12px;
  color: var(--text-light);
  transition: border-color .25s ease, background .25s ease;
  width: 100%;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--coral);
  background: #2b2b30;
}
.field input::placeholder, .field textarea::placeholder { color: #6a6a72; }
.field select option { background: var(--ink-soft); color: var(--text-light); }

.form .btn-primary { align-self: flex-start; margin-top: 0.4rem; }

.form-note { font-size: 0.82rem; color: #6a6a72; line-height: 1.5; }

.contact-aside ul { display: flex; flex-direction: column; gap: 1.4rem; margin-top: 2rem; }
.contact-aside li strong {
  font-family: var(--font-display);
  display: block;
  font-weight: 400;
  font-size: 1.05rem;
  color: var(--text-light);
  margin-bottom: 0.2rem;
}
.contact-aside li span { font-size: 0.95rem; color: var(--text-light-mid); }
.contact-aside a { color: var(--coral); }
.contact-aside a:hover { text-decoration: underline; }

.form-status {
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  display: none;
}
.form-status.ok { display: block; background: rgba(237, 219, 160, .12); color: var(--amber); }
.form-status.err { display: block; background: rgba(250, 122, 80, .12); color: var(--coral); }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: #141416;
  color: var(--text-light-mid);
  padding-block: 3.5rem 2.5rem;
  border-top: 1px solid var(--ink-line);
}
.footer .wrap { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; align-items: flex-start; }
.footer .brand span { color: var(--text-light); }
.footer-tag { font-size: 0.85rem; margin-top: 0.9rem; max-width: 30ch; }
.footer-links { display: flex; flex-wrap: wrap; gap: 2.5rem; }
.footer-col h4 {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 0.9rem;
  font-weight: 500;
}
.footer-col a { display: block; font-size: 0.9rem; padding-block: 0.28rem; transition: color .25s ease; }
.footer-col a:hover { color: var(--coral); }
.footer-bottom {
  border-top: 1px solid var(--ink-line);
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  font-size: 0.82rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   Revelado al hacer scroll
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal:nth-child(2) { transition-delay: .08s; }
.reveal:nth-child(3) { transition-delay: .16s; }
.reveal:nth-child(4) { transition-delay: .24s; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 880px) {
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    inset: 0 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--cream);
    padding: 5.5rem 1.5rem 2rem;
    transform: translateY(-100%);
    transition: transform .45s var(--ease);
    box-shadow: 0 20px 40px -20px rgba(0,0,0,.3);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a {
    color: var(--text-dark);
    padding-block: 0.95rem;
    border-bottom: 1px solid rgba(26,26,28,.08);
    font-size: 1.05rem;
  }
  .nav-links .lang {
    align-self: flex-start;
    margin-top: 1.25rem;
    border-color: rgba(26,26,28,.18);
    color: var(--text-mid);
  }
  .hero { min-height: auto; padding-block: 7.5rem 4rem; }
  .sunrise { width: 200vw; opacity: .8; }
  .strip .wrap { gap: 1.75rem; }
  .strip-item { flex: 1 1 40%; }
  .footer .wrap { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .arc, .sun, .horizon { opacity: 1; transform: translateX(-50%); }
  .horizon { transform: translateX(-50%) scaleX(1); }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}