/* Royal Junior College — premium design system
   Palette: royal navy, imperial gold, warm ivory. */

:root {
  --navy-900: #071731;
  --navy-800: #0b1f3f;
  --navy-700: #12305c;
  --navy-600: #1c4382;
  --gold-500: #c9a227;
  --gold-400: #dcbb4e;
  --gold-100: #f6ecd0;
  --crimson: #c8102e;
  --ivory: #fbf9f4;
  --paper: #ffffff;
  --ink: #16202f;
  --muted: #5b6879;
  --line: rgba(11, 31, 63, 0.12);

  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;

  --shadow-sm: 0 2px 10px rgba(7, 23, 49, 0.06);
  --shadow: 0 18px 40px -22px rgba(7, 23, 49, 0.35);
  --shadow-lg: 0 40px 80px -40px rgba(7, 23, 49, 0.55);

  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --container: 1200px;
  --header-h: 84px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--ivory);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--navy-700); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--gold-500); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.18; color: var(--navy-900); margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.16rem; }
p { margin: 0 0 1rem; }

:focus-visible { outline: 3px solid var(--gold-500); outline-offset: 3px; border-radius: 4px; }

.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }
.narrow { width: min(100% - 2.5rem, 880px); }
.center { text-align: center; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--navy-800); color: #fff; padding: .8rem 1.2rem; border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--navy-800);
  --btn-fg: #fff;
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .85rem 1.7rem; border: 0; cursor: pointer;
  font-family: var(--font-body); font-size: .93rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  background: var(--btn-bg); color: var(--btn-fg);
  border-radius: 999px; box-shadow: var(--shadow-sm);
  transition: transform .3s cubic-bezier(.2,.8,.2,1), box-shadow .3s ease, background .3s ease, color .3s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); color: var(--btn-fg); }
.btn:active { transform: translateY(0); }
.btn-gold { --btn-bg: linear-gradient(135deg, var(--gold-500), var(--gold-400)); --btn-fg: var(--navy-900); }
.btn-navy { --btn-bg: linear-gradient(135deg, var(--navy-800), var(--navy-600)); }
.btn-ghost { --btn-bg: rgba(255,255,255,.12); --btn-fg: #fff; border: 1px solid rgba(255,255,255,.55); backdrop-filter: blur(8px); }
.btn .ripple {
  position: absolute; border-radius: 50%; transform: scale(0);
  background: rgba(255,255,255,.45); pointer-events: none;
  animation: ripple .6s ease-out forwards;
}
@keyframes ripple { to { transform: scale(3.2); opacity: 0; } }

.text-link { font-weight: 600; font-size: .92rem; letter-spacing: .03em; text-transform: uppercase; color: var(--navy-700); }
.text-link::after { content: " \2192"; transition: margin .25s ease; display: inline-block; }
.text-link:hover::after { margin-left: .3rem; }

/* ---------- Topbar & header ---------- */
.topbar { background: var(--navy-900); color: rgba(255,255,255,.82); font-size: .82rem; }
.topbar a { color: rgba(255,255,255,.82); }
.topbar a:hover { color: var(--gold-400); }
.topbar-inner { display: flex; flex-wrap: wrap; gap: .3rem 1.6rem; justify-content: space-between; padding: .55rem 0; }
.topbar-item { margin: 0; }

.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255,255,255,.78);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s ease, background .3s ease, padding .3s ease;
}
.site-header.is-stuck { box-shadow: 0 10px 30px -18px rgba(7,23,49,.5); background: rgba(255,255,255,.94); }
.header-inner { display: flex; align-items: center; gap: 1.2rem; min-height: var(--header-h); }
.brand img { width: 210px; height: auto; mix-blend-mode: multiply; }

.main-nav { margin-left: auto; }
.main-nav ul { display: flex; gap: .25rem; list-style: none; margin: 0; padding: 0; }
.main-nav a {
  display: block; padding: .55rem .78rem; border-radius: 999px;
  font-size: .88rem; font-weight: 600; letter-spacing: .01em; color: var(--navy-800);
  transition: background .25s ease, color .25s ease;
}
.main-nav a:hover { background: var(--gold-100); color: var(--navy-900); }
.main-nav a.active { background: var(--navy-800); color: #fff; }

.header-actions { display: flex; align-items: center; gap: .6rem; }
.login-menu { position: relative; }
.login-toggle { padding: .7rem 1.25rem; font-size: .82rem; }
.caret { width: 0; height: 0; border-left: 5px solid transparent; border-right: 5px solid transparent; border-top: 6px solid currentColor; transition: transform .25s ease; }
.login-toggle[aria-expanded="true"] .caret { transform: rotate(180deg); }
.login-dropdown[hidden] { display: none; }
.login-dropdown {
  position: absolute; right: 0; top: calc(100% + .6rem); min-width: 210px;
  list-style: none; margin: 0; padding: .45rem;
  background: rgba(255,255,255,.92); backdrop-filter: blur(14px);
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg);
  animation: dropIn .22s ease-out;
}
@keyframes dropIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.login-dropdown a { display: block; padding: .6rem .85rem; border-radius: var(--radius-sm); font-weight: 600; font-size: .9rem; color: var(--navy-800); }
.login-dropdown a:hover { background: var(--navy-800); color: #fff; }

.nav-toggle { display: none; width: 46px; height: 42px; border: 1px solid var(--line); border-radius: 12px; background: #fff; cursor: pointer; padding: 10px 11px; }
.nav-toggle span { display: block; height: 2px; background: var(--navy-800); border-radius: 2px; margin: 4px 0; transition: transform .3s ease, opacity .3s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero slider ---------- */
.hero { position: relative; background: var(--navy-900); }
.slides { position: relative; height: clamp(430px, 74vh, 720px); }
.slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 1s ease; }
.slide.is-active { opacity: 1; visibility: visible; }
.slide img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); transition: transform 8s ease-out; }
.slide.is-active img { transform: scale(1); }
.slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,23,49,.9) 8%, rgba(7,23,49,.55) 55%, rgba(7,23,49,.2)); }
.slide-content { position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; justify-content: center; color: #fff; }
.slide.is-active .slide-content > * { animation: slideUp .9s cubic-bezier(.2,.8,.2,1) both; }
.slide.is-active .slide-content > *:nth-child(2) { animation-delay: .12s; }
.slide.is-active .slide-content > *:nth-child(3) { animation-delay: .24s; }
.slide.is-active .slide-content > *:nth-child(4) { animation-delay: .36s; }
@keyframes slideUp { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
.slide-content h1 { color: #fff; max-width: 16ch; }
.slide-content .lead { max-width: 52ch; font-size: 1.05rem; color: rgba(255,255,255,.86); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.4rem; }

.eyebrow {
  font-size: .78rem; font-weight: 700; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold-500); margin: 0 0 .6rem;
}
.slide-content .eyebrow { color: var(--gold-400); }

.slider-nav { position: absolute; left: 50%; transform: translateX(-50%); bottom: 1.6rem; z-index: 3; display: flex; align-items: center; justify-content: flex-end; gap: .7rem; }
.arrow, .dot { border: 0; cursor: pointer; }
.arrow {
  width: 44px; height: 44px; border-radius: 50%; font-size: 1.5rem; line-height: 1;
  background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.4);
  backdrop-filter: blur(8px); transition: background .25s ease, transform .25s ease;
}
.arrow:hover { background: var(--gold-500); color: var(--navy-900); transform: scale(1.06); }
.dots { display: flex; gap: .45rem; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.42); padding: 0; transition: width .3s ease, background .3s ease; }
.dot.is-active { width: 28px; border-radius: 999px; background: var(--gold-500); }

/* ---------- Page hero ---------- */
.page-hero {
  position: relative; padding: clamp(3.4rem, 8vw, 6rem) 0 clamp(2.6rem, 6vw, 4.4rem);
  background: radial-gradient(120% 140% at 12% 0%, var(--navy-700), var(--navy-900) 62%);
  color: #fff;
}
.page-hero::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 4px;
  background: linear-gradient(90deg, var(--gold-500), transparent 70%);
}
.page-hero h1 { color: #fff; margin-bottom: .4rem; }
.crumbs { font-size: .88rem; color: rgba(255,255,255,.72); }
.crumbs a { color: rgba(255,255,255,.9); }
.crumbs a:hover { color: var(--gold-400); }

/* ---------- Sections ---------- */
.section { padding: clamp(3.2rem, 7vw, 6rem) 0; }
.section.alt { background: linear-gradient(180deg, #fff, var(--ivory)); }
.section-head { max-width: 720px; margin: 0 auto clamp(2rem, 4vw, 3rem); text-align: center; }
.section-sub { color: var(--muted); }
.script { font-family: var(--font-display); font-style: italic; font-size: 1.14rem; color: var(--navy-700); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.6rem, 4vw, 4rem); align-items: center; }
.split-media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); max-height: 560px; object-fit: cover; width: 100%; }
.contact-split { align-items: start; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; }

.card {
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.7rem 1.6rem;
  box-shadow: var(--shadow-sm);
  transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease, border-color .35s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(201,162,39,.5); }
.card p { color: var(--muted); margin: 0; }
.card.feature { padding: 2.1rem 2rem; }
.card.feature p { color: var(--ink); }

.course-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease;
}
.course-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.course-media { overflow: hidden; aspect-ratio: 16 / 10; }
.course-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.8,.2,1); }
.course-card:hover .course-media img { transform: scale(1.08); }
.course-body { padding: 1.5rem; display: flex; flex-direction: column; gap: .6rem; }
.course-body p { color: var(--muted); font-size: .95rem; margin: 0; }

.counters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 1.6rem; }
.counter { text-align: center; }
.counter .count { font-family: var(--font-display); font-size: clamp(1.9rem, 4vw, 2.9rem); font-weight: 700; color: var(--navy-800); display: block; }
.counter p { font-size: .82rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin: 0; }

.chip-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .7rem; justify-content: center; }
.chip-list li {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: .6rem 1.2rem; font-weight: 600; font-size: .9rem; color: var(--navy-800);
  box-shadow: var(--shadow-sm); transition: transform .3s ease, background .3s ease, color .3s ease;
}
.chip-list li span { color: var(--gold-500); }
.chip-list li:hover { transform: translateY(-3px); background: var(--navy-800); color: #fff; }
.chip-list li:hover span { color: var(--gold-400); }

.feature-list { list-style: none; counter-reset: f; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; }
.feature-list li {
  counter-increment: f; position: relative; padding: 1.4rem 1.5rem 1.4rem 4.1rem;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease;
}
.feature-list li:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.feature-list li::before {
  content: counter(f); position: absolute; left: 1.3rem; top: 1.35rem;
  width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%;
  background: var(--gold-100); color: var(--navy-800); font-weight: 700; font-size: .85rem;
}
.feature-list h3 { margin: 0 0 .25rem; font-size: 1.02rem; }
.feature-list p { margin: 0; color: var(--muted); font-size: .93rem; }

.steps { margin: 0 0 1.5rem; padding-left: 1.2rem; }
.steps li { margin-bottom: .7rem; color: var(--muted); }
.steps strong { color: var(--navy-800); }

.quote { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem 1.7rem; box-shadow: var(--shadow-sm); }
.quote blockquote { margin: 0 0 1rem; }
.quote p { font-family: var(--font-display); font-size: 1.04rem; font-style: italic; color: var(--navy-800); margin: 0; }
.quote figcaption { font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; color: var(--gold-500); font-weight: 600; }

/* ---------- Gallery & lightbox ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.gal-item {
  padding: 0; border: 0; cursor: pointer; background: none; position: relative;
  border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; box-shadow: var(--shadow-sm);
}
.gal-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.8,.2,1); }
.gal-item::after {
  content: "+"; position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 2rem; color: #fff; background: rgba(7,23,49,.55); opacity: 0; transition: opacity .35s ease;
}
.gal-item:hover img { transform: scale(1.08); }
.gal-item:hover::after, .gal-item:focus-visible::after { opacity: 1; }

.lightbox[hidden] { display: none; }
.lightbox {
  position: fixed; inset: 0; z-index: 150; display: flex; align-items: center; justify-content: center;
  background: rgba(4, 12, 26, .92); backdrop-filter: blur(6px); padding: 2rem 1rem;
  animation: fadeIn .25s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.lb-figure { margin: 0; max-width: min(1100px, 92vw); text-align: center; }
.lb-figure img { max-height: 78vh; width: auto; margin-inline: auto; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.lb-figure figcaption { color: rgba(255,255,255,.8); margin-top: .9rem; font-size: .9rem; }
.lb-close, .lb-prev, .lb-next {
  position: absolute; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.35);
  color: #fff; width: 48px; height: 48px; border-radius: 50%; font-size: 1.6rem; line-height: 1; cursor: pointer;
  transition: background .25s ease;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { background: var(--gold-500); color: var(--navy-900); }
.lb-close { top: 1.2rem; right: 1.2rem; }
.lb-prev { left: 1.2rem; top: 50%; transform: translateY(-50%); }
.lb-next { right: 1.2rem; top: 50%; transform: translateY(-50%); }

/* ---------- Contact ---------- */
.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.1rem; }
.contact-list li { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.4rem; box-shadow: var(--shadow-sm); }
.contact-list h3 { margin: 0 0 .25rem; font-size: .82rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold-500); font-family: var(--font-body); }
.contact-list p, .contact-list address { margin: 0; font-style: normal; color: var(--muted); }

.contact-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(1.5rem, 3vw, 2.4rem); box-shadow: var(--shadow); }
.field { margin-bottom: 1rem; }
.field label { display: block; font-size: .84rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--navy-800); margin-bottom: .35rem; }
.field input, .field textarea {
  width: 100%; padding: .85rem 1rem; font: inherit; color: var(--ink);
  background: var(--ivory); border: 1px solid var(--line); border-radius: var(--radius-sm);
  transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.field input:focus, .field textarea:focus { outline: none; background: #fff; border-color: var(--gold-500); box-shadow: 0 0 0 4px rgba(201,162,39,.16); }
.field .error { color: var(--crimson); font-size: .82rem; margin-top: .3rem; display: block; }
.field.has-error input, .field.has-error textarea { border-color: var(--crimson); }
.form-status { margin: 1rem 0 0; font-weight: 600; font-size: .94rem; }
.form-status.ok { color: #15803d; }
.form-status.err { color: var(--crimson); }

.map-frame { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); line-height: 0; }
.map-frame iframe { display: block; }

/* ---------- Legal pages ---------- */
.legal .updated { color: var(--muted); font-size: .9rem; }
.legal-block { margin-bottom: 2.2rem; }
.legal-block h2 { font-size: 1.4rem; }
.legal-block ul { padding-left: 1.2rem; color: var(--muted); }
.legal-block li { margin-bottom: .5rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: rgba(255,255,255,.72); padding: clamp(3rem, 6vw, 4.5rem) 0 1.5rem; margin-top: 2rem; }
.site-footer h2 { color: #fff; font-size: 1.06rem; letter-spacing: .02em; }
.site-footer a { color: rgba(255,255,255,.75); }
.site-footer a:hover { color: var(--gold-400); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 1.3fr; gap: 2rem; }
.footer-logo { background: #fff; border-radius: 12px; padding: .5rem .7rem; width: 210px; margin-bottom: 1rem; }
.footer-col p, .footer-col address { font-size: .93rem; font-style: normal; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: .45rem; font-size: .93rem; }
.footer-links a { position: relative; }
.footer-links a::before { content: "\203A"; color: var(--gold-500); margin-right: .45rem; }
.social { list-style: none; display: flex; gap: .5rem; margin: 1.1rem 0 0; padding: 0; }
.social a {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.25); font-size: .8rem; font-weight: 700; text-transform: lowercase;
  transition: background .25s ease, color .25s ease, transform .25s ease;
}
.social a:hover { background: var(--gold-500); color: var(--navy-900); transform: translateY(-3px); }
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; justify-content: space-between; align-items: center;
  border-top: 1px solid rgba(255,255,255,.14); margin-top: 2.4rem; padding-top: 1.2rem; font-size: .86rem;
}
.footer-bottom p { margin: 0; }
.legal-links { list-style: none; display: flex; gap: 1.2rem; margin: 0; padding: 0; }

/* ---------- Floating actions ---------- */
.whatsapp-float {
  position: fixed; right: 20px; bottom: 22px; z-index: 120;
  width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center;
  background: #25d366; color: #fff; box-shadow: 0 14px 30px -10px rgba(37,211,102,.8);
  animation: pulseWa 2.6s ease-in-out infinite;
}
.whatsapp-float:hover { color: #fff; transform: scale(1.07); }
@keyframes pulseWa {
  0%, 100% { box-shadow: 0 14px 30px -10px rgba(37,211,102,.8), 0 0 0 0 rgba(37,211,102,.45); }
  60% { box-shadow: 0 14px 30px -10px rgba(37,211,102,.8), 0 0 0 16px rgba(37,211,102,0); }
}
.to-top {
  position: fixed; right: 24px; bottom: 92px; z-index: 119;
  width: 46px; height: 46px; border-radius: 50%; cursor: pointer;
  background: var(--navy-800); color: #fff; border: 0; font-size: 1.1rem;
  opacity: 0; pointer-events: none; transform: translateY(10px);
  transition: opacity .3s ease, transform .3s ease, background .3s ease;
}
.to-top.is-visible { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { background: var(--gold-500); color: var(--navy-900); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.8,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .main-nav a { padding: .5rem .55rem; font-size: .82rem; }
  .brand img { width: 175px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-list { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split-media { order: -1; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; inset: 0 0 0 auto; width: min(320px, 84vw);
    background: #fff; box-shadow: var(--shadow-lg); padding: 5.5rem 1.4rem 2rem;
    transform: translateX(105%); transition: transform .35s cubic-bezier(.2,.8,.2,1); z-index: 95;
    overflow-y: auto;
  }
  .main-nav.is-open { transform: none; }
  .main-nav ul { flex-direction: column; gap: .2rem; }
  .main-nav a { padding: .85rem 1rem; font-size: 1rem; border-radius: var(--radius-sm); }
  body.nav-open { overflow: hidden; }
}

@media (max-width: 680px) {
  .topbar-inner { justify-content: center; text-align: center; font-size: .78rem; }
  .grid-2, .grid-3, .grid-4, .counters { grid-template-columns: 1fr 1fr; }
  .quote, .card.feature { padding: 1.4rem; }
  .slides { height: 78vh; min-height: 460px; }
  .slider-nav { justify-content: center; width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .lb-prev { left: .4rem; } .lb-next { right: .4rem; }
}

@media (max-width: 460px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .login-toggle { padding: .6rem .9rem; font-size: .76rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}