/* NursPrep — app styles */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 18px;
  border-radius: var(--r-pill);
  font-weight: 700; font-size: 0.9375rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--dur-quick) var(--ease);
  white-space: nowrap;
}
.btn-lg { padding: 14px 24px; font-size: 1rem; }
.btn-primary {
  background: var(--accent-50); color: var(--fg-on-brand);
  box-shadow: 0 1px 0 rgba(255,255,255,0.18) inset, var(--shadow-sm);
}
.btn-primary:hover { background: var(--accent-hover); box-shadow: var(--shadow-brand); transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--fg-1); border-color: var(--border-default);
}
.btn-ghost:hover { background: var(--bg-2); border-color: var(--border-strong); }
.btn-ghost-light {
  background: rgba(255,255,255,0.08); color: #fff;
  border-color: rgba(255,255,255,0.22);
  backdrop-filter: blur(8px);
}
.btn-ghost-light:hover { background: rgba(255,255,255,0.14); }

/* ---------- Logo ---------- */
.logo {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--fg-0); font-weight: 900;
  letter-spacing: -0.02em; font-size: 1.25rem;
}
.logo-mark {
  position: relative;
  width: 36px; height: 36px;
  border-radius: 11px;
  background: var(--accent-50);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 1.125rem;
  box-shadow: 0 6px 16px -4px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.2);
  overflow: hidden;
  /* speech-bubble motif: sharp top-right corner */
  border-top-right-radius: 3px;
}
.logo-mark-sm { width: 28px; height: 28px; font-size: 0.875rem; border-radius: 8px; border-top-right-radius: 2px; }
.logo-mark-pulse {
  position: absolute; inset: -40%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.35), transparent 60%);
  animation: pulse 4s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:.4} 50%{opacity:.9} }
.logo-word-accent { color: var(--accent-50); }
:root[data-theme="dark"] .logo-word-accent { color: var(--accent-40); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in oklab, var(--bg-0) 88%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav-progress {
  position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: var(--accent-50);
  transform-origin: 0 50%;
  transform: scaleX(0);
  transition: transform 60ms linear;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; padding-bottom: 14px;
  gap: 24px;
}
.nav-links { display: flex; gap: 4px; }
.nav-links a {
  padding: 8px 14px; border-radius: var(--r-pill);
  font-weight: 600; color: var(--fg-2); font-size: 0.9375rem;
  transition: color var(--dur-quick) var(--ease), background var(--dur-quick) var(--ease);
}
.nav-links a:hover { color: var(--fg-0); background: var(--bg-2); }
.nav-cta { display: flex; gap: 10px; align-items: center; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-cta .btn-ghost { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(48px, 7vw, 88px) 0 clamp(40px, 5vw, 64px);
  background:
    radial-gradient(ellipse 80% 60% at 85% 0%, var(--accent-10), transparent 60%),
    radial-gradient(ellipse 60% 50% at 10% 10%, var(--accent-20), transparent 55%),
    var(--bg-0);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--border-subtle) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border-subtle) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, black 40%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, black 40%, transparent 90%);
  opacity: 0.4;
  pointer-events: none;
}
.hero > * { position: relative; }

.hero-split-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
@media (max-width: 960px) {
  .hero-split-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
}

.hero-centered { text-align: center; }
.hero-centered .eyebrow { justify-content: center; }
.hero-centered .hero-search,
.hero-centered .hero-chips,
.hero-centered .hero-trust { margin-left: auto; margin-right: auto; }
.hero-centered .hero-sub { max-width: 680px; margin-left: auto; margin-right: auto; }
.hero-centered .hero-title { max-width: 14ch; margin: 0 auto; }

.hero-title {
  margin-top: 16px;
  font-weight: 900;
  color: var(--fg-0);
  letter-spacing: -0.035em;
  line-height: 1.04;
}
.hero-sub {
  margin-top: 20px;
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  color: var(--fg-2);
  max-width: 54ch;
  line-height: 1.55;
}

.hero-search {
  margin-top: 28px;
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-1);
  border: 1px solid var(--border-default);
  border-radius: var(--r-pill);
  padding: 8px 8px 8px 18px;
  box-shadow: var(--shadow-md);
  max-width: 620px;
  transition: all var(--dur-mod) var(--ease);
}
.hero-search:focus-within {
  border-color: var(--accent-40);
  box-shadow: var(--shadow-md), var(--shadow-ring);
}
.hero-search-icon { color: var(--fg-3); display: inline-flex; }
.hero-search-input {
  flex: 1; border: 0; background: transparent;
  font: inherit; color: var(--fg-0);
  padding: 12px 6px;
  outline: none; min-width: 0;
  font-size: 1rem;
}
.hero-search-input::placeholder { color: var(--fg-3); }
.hero-search-btn { padding: 11px 18px; }
@media (max-width: 560px) {
  .hero-search-btn span, .hero-search-btn { padding: 10px 14px; }
  .hero-search-btn svg { display: none; }
}

.hero-chips {
  margin-top: 18px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
}
.hero-chips-label { font-size: 0.8125rem; color: var(--fg-3); font-weight: 600; margin-right: 4px; }

.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  background: var(--bg-1);
  border: 1px solid var(--border-default);
  border-radius: var(--r-pill);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--fg-1);
  cursor: pointer;
  transition: all var(--dur-quick) var(--ease);
}
.chip:hover { border-color: var(--border-strong); background: var(--bg-2); transform: translateY(-1px); }
.chip-featured { font-family: var(--font-primary); letter-spacing: 0.02em; }
.chip-on {
  background: var(--accent-50);
  color: #fff;
  border-color: var(--accent-50);
  box-shadow: 0 4px 12px -4px var(--accent-glow);
}
.chip-on:hover { background: var(--accent-hover); }
.chip-on .chip-count { color: rgba(255,255,255,0.85); }
.chip-on .chip-dot { background: #fff !important; }
.chip-dot { width: 6px; height: 6px; border-radius: 999px; display: inline-block; }
.chip-count {
  font-size: 0.75rem;
  color: var(--fg-3);
  padding-left: 4px;
  font-variant-numeric: tabular-nums;
}

.hero-trust {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--border-subtle);
}
@media (max-width: 640px) { .hero-trust { grid-template-columns: repeat(2, 1fr); } }
.trust-stat { display: flex; flex-direction: column; gap: 2px; }
.trust-stat-n { font-size: 1.75rem; font-weight: 900; color: var(--fg-0); letter-spacing: -0.02em; line-height: 1.1; }
.trust-stat-l { font-size: 0.8125rem; color: var(--fg-2); }

/* ---------- Hero visual ---------- */
.hero-visual {
  position: relative;
  min-height: 460px;
}
.hero-card {
  position: absolute;
  background: var(--bg-1);
  border: 1px solid var(--border-default);
  border-radius: var(--r-l);
  box-shadow: var(--shadow-lg);
  padding: 20px;
}
.hero-card-main {
  top: 0; right: 0; left: 40px;
  padding: 22px;
  border-top-right-radius: 8px; /* speech-bubble */
}
.hero-card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.hero-card-badge {
  font-weight: 900; font-size: 0.875rem; letter-spacing: 0.02em;
  background: var(--accent-50); color: #fff;
  padding: 4px 10px; border-radius: var(--r-xs); border-top-right-radius: 2px;
}
.hero-card-body { font-size: 0.75rem; font-weight: 700; color: var(--fg-3); letter-spacing: 0.08em; }
.hero-card-title { margin-top: 10px; font-weight: 800; font-size: 0.9375rem; color: var(--fg-0); }
.hero-card-meter { margin-top: 14px; }
.hero-card-meter-bar {
  height: 6px; background: var(--bg-3); border-radius: 999px; overflow: hidden; position: relative;
}
.hero-card-meter-bar::after {
  content: ""; position: absolute; inset: 0 32% 0 0;
  background: linear-gradient(90deg, var(--accent-40), var(--accent-50));
  border-radius: 999px;
}
.hero-card-meter-label { display: block; margin-top: 6px; font-size: 0.75rem; color: var(--fg-2); font-weight: 600; }
.hero-card-q { margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--border-default); }
.hero-card-q-label { font-size: 0.6875rem; font-weight: 800; color: var(--fg-3); text-transform: uppercase; letter-spacing: 0.1em; }
.hero-card-q-text { margin-top: 6px; font-size: 0.875rem; color: var(--fg-0); font-weight: 600; line-height: 1.4; }
.hero-card-q-opts { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.hero-q-opt {
  font-size: 0.8125rem; color: var(--fg-1);
  padding: 8px 10px; border-radius: var(--r-xs);
  background: var(--bg-2); border: 1px solid var(--border-subtle);
}
.hero-q-opt-correct {
  background: var(--green-10); border-color: var(--green-40);
  color: var(--green-60); font-weight: 700;
  display: flex; justify-content: space-between; align-items: center;
}
.hero-q-check { color: var(--green-50); font-weight: 900; }

.hero-card-sub {
  top: 62%; left: 0;
  padding: 14px 16px;
  min-width: 220px;
  transform: rotate(-3deg);
  animation: floaty 7s ease-in-out infinite;
}
.hero-sub-row { display: flex; align-items: center; gap: 12px; }
.hero-sub-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--green-20); color: var(--green-60);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 900;
}
.hero-sub-title { font-weight: 800; color: var(--fg-0); font-size: 0.875rem; }
.hero-sub-meta { font-size: 0.75rem; color: var(--fg-2); }

.hero-card-pill {
  bottom: 4%; right: 8%;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border-radius: var(--r-pill);
  font-size: 0.8125rem; font-weight: 700; color: var(--fg-0);
  background: var(--bg-1);
  animation: floaty 9s ease-in-out infinite reverse;
}
.hero-pill-dot {
  width: 8px; height: 8px; border-radius: 999px; background: var(--green-50);
  box-shadow: 0 0 0 4px var(--green-20);
  animation: blink 1.8s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.4} }
@keyframes floaty {
  0%,100% { transform: rotate(-3deg) translateY(0); }
  50%     { transform: rotate(-3deg) translateY(-8px); }
}
.hero-card-pill { animation-name: floaty-pill; }
@keyframes floaty-pill {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-6px); }
}

/* ---------- Section base ---------- */
section { padding: clamp(56px, 7vw, 96px) 0; }
.section-head { max-width: 720px; }

/* ---------- Filters & cert grid ---------- */
.certifications {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-0);
}
.filters { margin-bottom: 36px; }
.filters-head {
  display: flex; justify-content: space-between; align-items: flex-end; gap: 24px;
  margin-bottom: 24px;
}
.filters-head h2 { margin-top: 8px; }
.filters-sub { margin-top: 10px; color: var(--fg-2); max-width: 56ch; }
.filters-actions { display: flex; gap: 12px; align-items: center; }
.density-toggle {
  display: inline-flex; padding: 4px; gap: 2px;
  background: var(--bg-2); border: 1px solid var(--border-subtle);
  border-radius: var(--r-pill);
}
.density-toggle button {
  border: 0; background: transparent;
  padding: 7px 14px; border-radius: var(--r-pill);
  font: inherit; font-size: 0.8125rem; font-weight: 700;
  color: var(--fg-2); cursor: pointer;
  transition: all var(--dur-quick) var(--ease);
}
.density-toggle button.active {
  background: var(--bg-1); color: var(--fg-0); box-shadow: var(--shadow-sm);
}

@media (max-width: 720px) {
  .filters-head { flex-direction: column; align-items: flex-start; }
}

.chips-row {
  display: flex; flex-wrap: wrap; gap: 8px;
}

.cert-groups { display: flex; flex-direction: column; gap: 20px; }
.cert-group-head {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--border-default);
}
.cert-group-head h3 { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.01em; }
.cert-group-dot { width: 10px; height: 10px; border-radius: 999px; }
.cert-group-count {
  margin-left: auto; font-size: 0.8125rem; color: var(--fg-3);
  font-weight: 700; font-variant-numeric: tabular-nums;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.cert-card {
  display: flex; flex-direction: column; gap: 12px;
  background: var(--bg-1);
  border: 1px solid var(--border-default);
  border-radius: var(--r-l);
  padding: 22px;
  transition: all var(--dur-mod) var(--ease);
  position: relative;
  overflow: hidden;
  /* speech-bubble motif: sharp top-right */
  border-top-right-radius: 6px;
}
.cert-card::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 3px;
  background: var(--cat-accent, var(--accent-50));
  transform: scaleX(0); transform-origin: 0 50%;
  transition: transform var(--dur-mod) var(--ease);
}
.cert-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.cert-card:hover::after { transform: scaleX(1); }

.cert-card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.cert-code {
  font-size: 1.125rem;
  font-weight: 900;
  color: var(--fg-0);
  letter-spacing: -0.01em;
  display: inline-flex; align-items: center; gap: 8px;
}
.cert-code::before {
  content: ""; width: 3px; height: 18px; border-radius: 2px;
  background: var(--cat-accent);
}
.cert-body-chip {
  font-size: 0.6875rem; font-weight: 800;
  color: var(--fg-2);
  background: var(--bg-2);
  padding: 4px 9px;
  border-radius: var(--r-xs);
  letter-spacing: 0.06em;
}
.cert-name {
  font-size: 0.9375rem; font-weight: 700; color: var(--fg-0); line-height: 1.35;
  text-wrap: pretty;
}
.cert-blurb {
  font-size: 0.875rem; color: var(--fg-2); line-height: 1.5;
  text-wrap: pretty;
}
.cert-card-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-top: auto; padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}
.cert-cat {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.75rem; color: var(--fg-3); font-weight: 600;
}
.cert-cat-dot { width: 6px; height: 6px; border-radius: 999px; }
.cert-card-cta {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.8125rem; font-weight: 700;
  color: var(--accent-50);
  transition: gap var(--dur-quick) var(--ease);
}
.cert-card:hover .cert-card-cta { gap: 8px; }

.cert-card-compact { padding: 16px 18px; gap: 8px; border-radius: var(--r-m); }
.cert-card-compact .cert-code { font-size: 1rem; }
.cert-card-compact .cert-name { font-size: 0.8125rem; }

.empty {
  text-align: center; padding: 80px 20px;
  background: var(--bg-1);
  border: 1px dashed var(--border-default);
  border-radius: var(--r-l);
}
.empty-icon { font-size: 2.5rem; color: var(--fg-3); display: block; margin-bottom: 8px; }
.empty h4 { margin-top: 8px; }
.empty p { color: var(--fg-2); margin-top: 4px; }

/* ---------- Why ---------- */
.why { background: var(--bg-0); border-top: 1px solid var(--border-subtle); }
.why-head { max-width: 760px; }
.why-head h2 { margin-top: 10px; }
.why-head em { color: var(--accent-50); font-style: normal; font-weight: inherit; }
:root[data-theme="dark"] .why-head em { color: var(--accent-40); }
.why-sub { margin-top: 14px; font-size: 1.0625rem; color: var(--fg-2); max-width: 58ch; }

.why-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 1024px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .why-grid { grid-template-columns: 1fr; } }
.why-card {
  background: var(--bg-1);
  border: 1px solid var(--border-default);
  border-radius: var(--r-l);
  border-top-right-radius: 6px;
  padding: 24px;
  display: flex; flex-direction: column; gap: 10px;
  position: relative;
  transition: all var(--dur-mod) var(--ease);
}
.why-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.why-num { font-weight: 900; font-size: 0.75rem; color: var(--fg-3); letter-spacing: 0.1em; }
.why-pill {
  align-self: flex-start;
  font-size: 0.6875rem; font-weight: 800;
  padding: 3px 8px; border-radius: var(--r-xs);
  background: var(--accent-20); color: var(--accent-50);
  letter-spacing: 0.04em;
}
.why-card h4 { font-size: 1.125rem; letter-spacing: -0.01em; }
.why-card p { font-size: 0.9375rem; color: var(--fg-2); }

/* ---------- How ---------- */
.how { background: var(--bg-2); border-top: 1px solid var(--border-subtle); }
.how-head { max-width: 680px; }
.how-head h2 { margin-top: 10px; }
.how-list {
  margin: 40px 0 0; padding: 0; list-style: none;
  counter-reset: step;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
}
@media (max-width: 1024px) { .how-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .how-list { grid-template-columns: 1fr; } }
.how-step {
  position: relative; padding: 28px 24px 28px 0;
  display: flex; flex-direction: column; gap: 12px;
}
.how-step-n {
  font-family: var(--font-primary); font-weight: 900;
  font-size: 2rem; color: var(--accent-50);
  letter-spacing: -0.02em;
}
:root[data-theme="dark"] .how-step-n { color: var(--accent-40); }
.how-step-body h4 { font-size: 1.125rem; }
.how-step-body p { font-size: 0.9375rem; color: var(--fg-2); margin-top: 6px; }
.how-step-rule {
  position: absolute; top: 44px; left: 56px; right: 0; height: 1.5px;
  background: linear-gradient(90deg, var(--border-strong), transparent);
}
.how-step:last-child .how-step-rule { display: none; }

/* ---------- FAQ ---------- */
.faq { background: var(--bg-0); border-top: 1px solid var(--border-subtle); }
.faq-grid {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
@media (max-width: 860px) { .faq-grid { grid-template-columns: 1fr; } }
.faq-left h2 { margin-top: 10px; }
.faq-sub { margin-top: 14px; color: var(--fg-2); font-size: 0.9375rem; }
.faq-link { color: var(--accent-50); font-weight: 700; }
:root[data-theme="dark"] .faq-link { color: var(--accent-40); }

.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  background: var(--bg-1);
  border: 1px solid var(--border-default);
  border-radius: var(--r-m);
  overflow: hidden;
  transition: border-color var(--dur-quick) var(--ease);
}
.faq-item.faq-open { border-color: var(--accent-30); background: var(--accent-10); }
:root[data-theme="dark"] .faq-item.faq-open { background: var(--bg-2); border-color: var(--accent-40); }
.faq-q {
  width: 100%; text-align: left;
  background: transparent; border: 0;
  padding: 18px 22px;
  font: inherit; font-size: 1rem; font-weight: 700;
  color: var(--fg-0);
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  cursor: pointer;
}
.faq-plus {
  flex-shrink: 0;
  width: 30px; height: 30px; border-radius: 999px;
  background: var(--bg-2);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--fg-1);
  transition: all var(--dur-mod) var(--ease);
}
.faq-item.faq-open .faq-plus {
  background: var(--accent-50); color: #fff;
  transform: rotate(45deg);
}
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height var(--dur-gentle) var(--ease);
}
.faq-item.faq-open .faq-a { max-height: 300px; }
.faq-a p {
  padding: 0 22px 20px;
  color: var(--fg-2);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-dark);
  color: #fff;
  padding: clamp(56px, 7vw, 96px) 0 32px;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: ""; position: absolute;
  top: -30%; right: -10%; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(109,131,243,0.2), transparent 60%);
  pointer-events: none;
}
.footer > * { position: relative; }
.eyebrow-on-dark { color: var(--accent-40); }

.footer-cta {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: end;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
@media (max-width: 860px) { .footer-cta { grid-template-columns: 1fr; align-items: start; } }
.footer-cta-title { margin-top: 10px; color: #fff; font-size: clamp(1.75rem, 3.5vw, 2.5rem); letter-spacing: -0.02em; }
.footer-cta-sub { margin-top: 14px; color: rgba(255,255,255,0.74); max-width: 48ch; }
.footer-cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.footer-index { padding: 48px 0; border-bottom: 1px solid rgba(255,255,255,0.12); }
.footer-index-head h3 { color: #fff; }
.footer-index-head p { color: rgba(255,255,255,0.66); margin-top: 8px; }
.footer-index-grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 24px;
}
@media (max-width: 960px) { .footer-index-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .footer-index-grid { grid-template-columns: 1fr; } }
.footer-index-label {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.75rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: rgba(255,255,255,0.72);
  margin-bottom: 12px;
}
.footer-index-dot { width: 8px; height: 8px; border-radius: 999px; }
.footer-index-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.footer-index-col a {
  color: rgba(255,255,255,0.88);
  font-size: 0.875rem; font-weight: 700;
  display: inline-flex; gap: 8px;
  transition: color var(--dur-quick) var(--ease);
}
.footer-index-col a:hover { color: var(--accent-40); }
.footer-index-name { color: rgba(255,255,255,0.55); font-weight: 400; }

.footer-bottom {
  padding-top: 28px;
  display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; align-items: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.8125rem;
}
.footer-brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; }
.footer-bottom-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-bottom-links a { color: rgba(255,255,255,0.72); }
.footer-bottom-links a:hover { color: #fff; }
.footer-legal { flex-basis: 100%; color: rgba(255,255,255,0.44); font-size: 0.75rem; max-width: 72ch; }

/* ---------- Tweaks Panel ---------- */
.tweaks {
  position: fixed; right: 24px; bottom: 24px; z-index: 80;
  width: 320px;
  background: var(--bg-1);
  border: 1px solid var(--border-default);
  border-radius: var(--r-l);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: tweaks-in 240ms var(--ease);
}
@keyframes tweaks-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.tweaks-head {
  display: flex; justify-content: space-between; align-items: start;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border-subtle);
}
.tweaks-title { font-weight: 900; font-size: 1rem; color: var(--fg-0); letter-spacing: -0.01em; }
.tweaks-sub { font-size: 0.75rem; color: var(--fg-3); margin-top: 2px; }
.tweaks-close {
  background: var(--bg-2); border: 0; border-radius: 999px;
  width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center;
  color: var(--fg-1); cursor: pointer;
}
.tweaks-close:hover { background: var(--bg-3); }
.tweaks-body { padding: 14px 20px 20px; display: flex; flex-direction: column; gap: 14px; }
.tweaks-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.tweaks-label { font-size: 0.8125rem; font-weight: 700; color: var(--fg-1); }
.tweaks-seg {
  display: inline-flex; padding: 3px; gap: 2px;
  background: var(--bg-2); border: 1px solid var(--border-subtle);
  border-radius: var(--r-pill);
}
.tweaks-seg button {
  border: 0; background: transparent;
  padding: 5px 12px; border-radius: var(--r-pill);
  font: inherit; font-size: 0.75rem; font-weight: 700;
  color: var(--fg-2); cursor: pointer;
}
.tweaks-seg button.on { background: var(--bg-1); color: var(--fg-0); box-shadow: var(--shadow-sm); }
.tweaks-accents { display: inline-flex; gap: 8px; }
.tweaks-accent {
  width: 22px; height: 22px; border-radius: 999px;
  background: var(--swatch); border: 2px solid var(--bg-1);
  box-shadow: 0 0 0 1px var(--border-default);
  cursor: pointer;
  transition: all var(--dur-quick) var(--ease);
}
.tweaks-accent.on { box-shadow: 0 0 0 2px var(--swatch); transform: scale(1.1); }
.tweaks-foot {
  padding: 10px 20px;
  background: var(--bg-2);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.75rem; color: var(--fg-3);
}
@media (max-width: 560px) { .tweaks { left: 16px; right: 16px; width: auto; bottom: 16px; } }

/* ---------- Tiny utilities ---------- */
em { font-style: normal; font-weight: 900; color: var(--accent-50); }
:root[data-theme="dark"] em { color: var(--accent-40); }