/* =============================================================
   Librería del Colegio · Bahía Blanca
   Hoja de estilos principal · "Vuelta a clases"
   ============================================================= */

/* ---------- Variables ---------- */
:root {
  --c-orange: #E8590C;
  --c-orange-d: #C43C04;
  --c-orange-dd: #7C2D12;
  --c-yellow: #FAB005;
  --c-yellow-d: #E67700;
  --c-cream: #FFF7ED;
  --c-cream-2: #FFEDD5;
  --c-white: #FFFFFF;
  --c-bg: #FFFBF5;
  --c-text: #1F2937;
  --c-text-soft: #4B5563;
  --c-border: #FED7AA;
  --c-ink: #2D1A0A;
  --c-wa: #1FA653;
  --c-wa-d: #128C7E;

  --ff-head: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --ff: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 16px rgba(124, 45, 18, 0.10);
  --shadow-lg: 0 12px 34px rgba(124, 45, 18, 0.16);

  --maxw: 1200px;
  --space-section: clamp(2.75rem, 6vw, 5rem);

  --focus: 3px solid var(--c-orange);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
}
body {
  font-family: var(--ff);
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--c-orange-d); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; padding: 0; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
input, select, textarea, button { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--ff-head);
  line-height: 1.18;
  font-weight: 700;
  color: var(--c-orange-dd);
}
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.4rem); }
h4 { font-size: 1.05rem; }

p { color: var(--c-text); }

:focus-visible { outline: var(--focus); outline-offset: 2px; border-radius: 4px; }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.section { padding-block: var(--space-section); }
.section--cream { background: var(--c-cream); }
.section--warm { background: linear-gradient(180deg, var(--c-cream) 0%, var(--c-cream-2) 100%); }
.section--dark { background: var(--c-orange-dd); color: #fff; }
.section--dark h2, .section--dark h3 { color: #fff; }
.section--dark p { color: #FFEDD5; }

.eyebrow {
  display: inline-block;
  font-size: clamp(0.875rem, 1.6vw, 0.95rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-orange-d);
  margin-bottom: 0.6rem;
}
.section-head { max-width: 720px; margin-bottom: 2.25rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.lead { font-size: 1.075rem; color: var(--c-text-soft); }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: 0; top: -100px;
  background: var(--c-orange-dd);
  color: #fff;
  padding: 0.7rem 1.2rem;
  z-index: 2000;
  font-weight: 600;
  border-radius: 0 0 8px 0;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--ff-head);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.2;
  text-decoration: none;
  border: 2px solid transparent;
  transition: background-color 0.2s, color 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: var(--c-orange); color: #fff; }
.btn--primary:hover { background: var(--c-orange-d); }
.btn--yellow { background: var(--c-yellow); color: var(--c-ink); }
.btn--yellow:hover { background: var(--c-yellow-d); color: #fff; }
.btn--secondary { background: #fff; color: var(--c-orange-dd); border-color: var(--c-border); }
.btn--secondary:hover { background: var(--c-cream); border-color: var(--c-orange); }
.btn--whatsapp { background: var(--c-wa-d); color: #fff; }
.btn--whatsapp:hover { background: #0E6E63; }
.btn--ghost-dark { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.btn--ghost-dark:hover { background: rgba(255,255,255,0.12); }
.btn--lg { padding: 1rem 1.8rem; font-size: 1.075rem; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 251, 245, 0.97);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow 0.25s, background 0.25s;
}
.site-header.header--scrolled { box-shadow: var(--shadow); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
}
.brand { display: inline-flex; align-items: center; gap: 0.6rem; }
.brand img { height: 44px; width: auto; }

.nav-main { display: flex; align-items: center; }
.nav-list { display: flex; align-items: center; gap: 0.25rem; }
.nav-list a {
  display: inline-block;
  padding: 0.55rem 0.85rem;
  border-radius: 8px;
  color: var(--c-text);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-list a:hover { background: var(--c-cream); color: var(--c-orange-dd); text-decoration: none; }
.nav-list a[aria-current="page"] { color: var(--c-orange-d); font-weight: 600; }

.nav-cta { margin-left: 0.75rem; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 10px;
  align-items: center; justify-content: center;
  position: relative;
  z-index: 1100;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 22px; height: 2.5px;
  background: var(--c-orange-dd);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.2s;
}
.nav-toggle span::before { position: absolute; transform: translateY(-7px); }
.nav-toggle span::after  { position: absolute; transform: translateY(7px); }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(circle at 88% 18%, rgba(250,176,5,0.35), transparent 48%),
    radial-gradient(circle at 8% 88%, rgba(232,89,12,0.18), transparent 42%),
    linear-gradient(160deg, #FFFBF5 0%, #FFF7ED 45%, #FFEDD5 100%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle, rgba(232,89,12,0.08) 1.5px, transparent 1.6px);
  background-size: 28px 28px;
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  gap: 2rem;
  align-items: center;
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--c-orange-dd);
  color: #fff;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  font-family: var(--ff-head);
  font-weight: 600;
  font-size: 0.9rem;
}
.hero-badge svg { width: 18px; height: 18px; }
.hero h1 { margin-block: 1rem 0.75rem; }
.hero h1 .accent { color: var(--c-orange); }
.hero-sub { font-size: 1.15rem; color: var(--c-text-soft); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.6rem; }
.hero-stats {
  display: flex; flex-wrap: wrap; gap: 1.5rem 2rem;
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--c-border);
}
.hero-stat strong { display: block; font-size: 1.5rem; color: var(--c-orange-d); font-weight: 800; font-family: var(--ff-head); }
.hero-stat span { font-size: 0.9rem; color: var(--c-text-soft); }

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
}
.hero-illustration {
  width: min(380px, 86%);
  aspect-ratio: 1;
  background: linear-gradient(140deg, var(--c-orange) 0%, var(--c-yellow) 100%);
  border-radius: 32px;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.hero-illustration::after {
  content: "✏️";
  font-size: clamp(5rem, 14vw, 8rem);
  filter: drop-shadow(0 6px 12px rgba(124,45,18,0.35));
}
.hero-tag {
  position: absolute; bottom: -16px; right: -8px;
  background: #fff; color: var(--c-orange-dd);
  padding: 0.55rem 1.1rem; border-radius: 999px;
  font-family: var(--ff-head); font-weight: 700; font-size: 0.95rem;
  box-shadow: var(--shadow);
}

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 1.25rem; }
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }
.grid--6 { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }

.card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.card-icon {
  width: 54px; height: 54px;
  background: var(--c-cream);
  border-radius: 14px;
  display: grid; place-items: center;
  margin-bottom: 1rem;
}
.card-icon img { width: 32px; height: 32px; }
.card h2, .card h3 { margin-bottom: 0.4rem; }
.card p { color: var(--c-text-soft); }
.card-link {
  display: inline-block;
  margin-top: 0.85rem;
  font-weight: 600;
  font-family: var(--ff-head);
  color: var(--c-orange-d);
}

/* feature cards (icons inline) */
.feature-list { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
.feature {
  display: flex; gap: 1rem; align-items: flex-start;
  background: #fff; border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 1.35rem;
  box-shadow: var(--shadow);
}
.feature img { width: 34px; height: 34px; flex: 0 0 auto; }
.feature h3 { margin-bottom: 0.25rem; }
.feature p { color: var(--c-text-soft); }

/* ---------- Brands wall ---------- */
.brands-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  justify-content: center;
}
.brand-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 999px;
  padding: 0.6rem 1.15rem;
  font-family: var(--ff-head);
  font-weight: 600;
  color: var(--c-orange-dd);
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.2s;
}
.brand-chip:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--c-orange); }

/* ---------- Split ---------- */
.split { display: grid; gap: 2rem; align-items: center; }
.split > * { min-width: 0; }

/* ---------- Steps ---------- */
.steps { display: grid; gap: 1.25rem; grid-template-columns: 1fr; counter-reset: step; }
.step {
  display: flex; gap: 1rem; align-items: flex-start;
  background: #fff; border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 1.35rem;
  box-shadow: var(--shadow);
  counter-increment: step;
}
.step::before {
  content: counter(step);
  flex: 0 0 auto;
  width: 38px; height: 38px;
  background: var(--c-orange);
  color: #fff;
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--ff-head); font-weight: 800; font-size: 1.1rem;
}
.step h3 { margin-bottom: 0.25rem; }
.step p { color: var(--c-text-soft); }

/* ---------- Stats band ---------- */
.stats-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 1.25rem;
  min-width: 0;
}
.stat-box { text-align: center; padding: 1.25rem; }
.stat-box strong { display: block; font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; font-family: var(--ff-head); color: #fff; }
.stat-box span { color: #FFEDD5; font-size: 0.95rem; }

/* ---------- FAQ accordion ---------- */
.faq { display: grid; gap: 0.75rem; max-width: 820px; margin-inline: auto; }
.faq-item {
  background: #fff; border: 1px solid var(--c-border);
  border-radius: var(--radius); overflow: hidden;
}
.faq-q {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  width: 100%; text-align: left;
  padding: 1.05rem 1.25rem;
  font-family: var(--ff-head); font-weight: 600; color: var(--c-orange-dd);
  font-size: 1.02rem;
}
.faq-q .chev { flex: 0 0 auto; transition: transform 0.2s; }
.faq-item[open] .faq-q .chev { transform: rotate(180deg); }
.faq-a { padding: 0 1.25rem 1.15rem; color: var(--c-text-soft); }

/* ---------- Map ---------- */
.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--c-border);
}
.map-wrap iframe { display: block; width: 100%; height: 360px; border: 0; }

/* ---------- Forms ---------- */
.form { display: grid; gap: 1.1rem; max-width: 640px; }
.field { display: grid; gap: 0.35rem; }
.field label { font-weight: 600; font-family: var(--ff-head); color: var(--c-orange-dd); font-size: 0.95rem; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--c-orange);
  box-shadow: 0 0 0 3px rgba(232,89,12,0.20);
}
.field textarea { resize: vertical; min-height: 130px; }
.field .error-msg {
  color: #C43C04; font-size: 0.875rem; font-weight: 500;
  display: none;
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: #C43C04; }
.field.has-error .error-msg { display: block; }
.form-success {
  display: none;
  background: var(--c-cream);
  border: 1px solid var(--c-orange);
  color: var(--c-orange-dd);
  padding: 1rem 1.15rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.form-success.is-visible { display: block; }
.field-hint { font-size: 0.875rem; color: var(--c-text-soft); }

/* ---------- Contact info ---------- */
.contact-list { display: grid; gap: 0.9rem; }
.contact-list li { display: flex; gap: 0.75rem; align-items: flex-start; }
.contact-list strong { color: var(--c-orange-dd); }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--c-orange) 0%, var(--c-orange-dd) 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: clamp(2rem, 5vw, 3rem);
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.cta-band::after {
  content: "✏️";
  position: absolute; right: 8%; bottom: -10%;
  font-size: 9rem; opacity: 0.18;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #FFEDD5; max-width: 560px; margin-inline: auto; position: relative; z-index: 1; }
.cta-band .btn { margin-top: 1.25rem; position: relative; z-index: 1; }

/* ---------- Brand cards (large) ---------- */
.brand-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.brand-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.brand-card .brand-logo {
  width: 64px; height: 64px;
  border-radius: 14px;
  margin: 0 auto 0.85rem;
  display: grid; place-items: center;
  font-family: var(--ff-head); font-weight: 800; font-size: 1.4rem;
  color: #fff;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-orange-dd);
  color: #FFEDD5;
  padding-block: clamp(2.5rem, 5vw, 3.5rem) 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.site-footer h2, .site-footer h3, .site-footer h4 { color: #fff; margin-bottom: 0.75rem; font-size: 1rem; letter-spacing: 0; }
.site-footer a { color: #FFEDD5; }
.site-footer a:hover { color: #fff; }
.footer-links { display: grid; gap: 0.5rem; }
.footer-contact { display: grid; gap: 0.6rem; font-size: 0.95rem; }
.footer-contact li { display: flex; gap: 0.5rem; align-items: flex-start; }
.footer-brand img { height: 48px; margin-bottom: 0.75rem; filter: brightness(0) invert(1); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.18);
  padding-top: 1.25rem;
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem;
  justify-content: space-between;
  font-size: 0.875rem;
  color: #FED7AA;
}

/* ---------- WhatsApp float ---------- */
.whatsapp-float {
  position: fixed;
  right: 16px; bottom: 16px;
  z-index: 1500;
  width: 58px; height: 58px;
  background: var(--c-wa-d);
  color: #fff;
  border-radius: 50%;
  display: grid; place-items: center;
  box-shadow: 0 6px 20px rgba(18,140,126,0.40);
  transition: transform 0.2s, background 0.2s;
}
.whatsapp-float:hover { background: #0E6E63; transform: scale(1.06); text-decoration: none; }
.whatsapp-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Page hero (interior) ---------- */
.page-hero {
  background: linear-gradient(160deg, var(--c-cream) 0%, var(--c-cream-2) 100%);
  border-bottom: 1px solid var(--c-border);
  padding-block: clamp(2rem, 5vw, 3.25rem);
}
.breadcrumb { font-size: 0.9rem; color: var(--c-text-soft); margin-bottom: 0.6rem; }
.breadcrumb a { color: var(--c-orange-d); }

/* ---------- Testimonials ---------- */
.testimonials { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
.testimonial {
  background: #fff;
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-yellow);
  border-radius: var(--radius);
  padding: 1.35rem 1.5rem;
  box-shadow: var(--shadow);
}
.testimonial blockquote { margin: 0; font-style: italic; color: var(--c-text); }
.testimonial cite { display: block; margin-top: 0.75rem; font-style: normal; font-weight: 600; font-family: var(--ff-head); color: var(--c-orange-dd); }
.testimonial cite span { display: block; font-weight: 500; color: var(--c-text-soft); font-family: var(--ff); font-size: 0.9rem; }

/* ---------- Category list (servicios page) ---------- */
.category-row {
  display: grid; gap: 1.25rem;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.category-row .cat-icon {
  width: 56px; height: 56px;
  background: var(--c-cream);
  border-radius: 14px;
  display: grid; place-items: center;
}
.category-row .cat-icon img { width: 34px; height: 34px; }
.category-row ul.bullets { display: grid; gap: 0.4rem; margin-top: 0.5rem; color: var(--c-text-soft); }
.category-row ul.bullets li { padding-left: 1.25rem; position: relative; }
.category-row ul.bullets li::before { content: "✦"; position: absolute; left: 0; color: var(--c-orange); }

/* ---------- Media queries ---------- */
@media (min-width: 480px) {
  .btn { padding: 0.9rem 1.7rem; }
}

@media (min-width: 768px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .feature-list { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .testimonials { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1.05fr 0.95fr; gap: 3rem; }
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .category-row { grid-template-columns: 80px 1fr; align-items: start; }
}

@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .feature-list { grid-template-columns: repeat(3, 1fr); }
  .testimonials { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Mobile nav ---------- */
@media (max-width: 899px) {
  .nav-toggle { display: inline-flex; }
  .nav-main {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(82vw, 340px);
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 84px 1.25rem 2rem;
    box-shadow: -10px 0 30px rgba(124,45,18,0.20);
    transform: translateX(0);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    z-index: 1050;
  }
  .nav-main.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    animation: navSlideIn 0.28s ease;
  }
  @keyframes navSlideIn {
    from { transform: translateX(100%); }
    to   { transform: translateX(0); }
  }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list a { padding: 0.85rem 0.5rem; border-bottom: 1px solid var(--c-border); border-radius: 0; font-size: 1.05rem; }
  .nav-cta { margin: 1rem 0 0; }
  .nav-cta .btn { width: 100%; }
  .nav-backdrop {
    position: fixed; inset: 0;
    background: rgba(124,45,18,0.45);
    opacity: 0; visibility: hidden;
    transition: opacity 0.25s;
    z-index: 1040;
  }
  .nav-backdrop.is-open { opacity: 1; visibility: visible; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}