/* ==========================================================================
   JiSvis — global stylesheet
   Pure CSS3, no frameworks. Dark, premium software-studio aesthetic,
   modelled on the JiSvis brand logo and design mockup.
   ========================================================================== */

/* --- Design tokens ------------------------------------------------------- */
:root {
  --bg: #040812;
  --bg-secondary: #08111E;
  --surface: #0D1727;
  --surface-hover: #13203A;
  --accent: #147BFF;
  --accent-2: #17D9FF;
  --text: #F4F7FB;
  --text-secondary: #B7C3D6;
  --text-muted: #7E8DA6;
  --border: rgba(23, 217, 255, 0.12);
  --border-strong: rgba(23, 217, 255, 0.28);

  /* Accent families for icon tiles */
  --blue-a: #147BFF;
  --blue-b: #17D9FF;
  --green-a: #18B26B;
  --green-b: #3CE6A0;
  --violet-a: #6C5CE7;
  --violet-b: #4AA8FF;
  --amber-a: #FF8A3C;
  --amber-b: #FFC93C;

  --max-width: 1200px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --glow-accent: 0 0 0 1px rgba(23, 217, 255, 0.18), 0 18px 50px -18px rgba(20, 123, 255, 0.55);
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

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

body {
  font-family: var(--font);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
  letter-spacing: 0.01em;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  /* Subtle ambient glow echoing the logo lighting */
  background-image:
    radial-gradient(1100px 560px at 82% -8%, rgba(20, 123, 255, 0.12), transparent 60%),
    radial-gradient(800px 480px at -5% 4%, rgba(23, 217, 255, 0.06), transparent 55%);
  background-attachment: fixed;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

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

a {
  color: var(--accent-2);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--text); }

h1, h2, h3 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* --- Layout helpers ------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 24px;
}

.section { padding-block: 64px; }
.section--tight { padding-top: 0; }

.section__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 14px;
}

/* Section header row: title (with leading accent bar) + "view all" link */
.section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.5rem, 1rem + 2.2vw, 2.1rem);
  display: flex;
  align-items: center;
  gap: 14px;
}

.section__title::before {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 26px;
  border-radius: 6px;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  box-shadow: 0 0 16px -2px rgba(23, 217, 255, 0.7);
}

.section__title--plain::before { display: none; }

.section__lead {
  color: var(--text-secondary);
  max-width: 60ch;
  font-size: 1.05rem;
  margin-top: 6px;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 600;
  white-space: nowrap;
}
.link-more::after {
  content: "→";
  transition: transform var(--transition);
}
.link-more:hover { color: var(--accent-2); }
.link-more:hover::after { transform: translateX(3px); }

/* --- Accessibility: skip link & focus ----------------------------------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 1000;
  background: var(--accent);
  color: #fff;
  padding: 12px 18px;
  border-radius: 0 0 var(--radius) 0;
  font-weight: 600;
}
.skip-link:focus { left: 0; color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
  border-radius: 6px;
}

/* --- Buttons ------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-pill);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition),
    background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04101f;
  font-weight: 700;
}
.btn--primary:hover {
  color: #04101f;
  box-shadow: 0 10px 30px -8px rgba(20, 123, 255, 0.65), 0 0 0 1px rgba(23, 217, 255, 0.4);
}

.btn--ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}
.btn--ghost:hover {
  color: var(--text);
  background: var(--surface-hover);
  border-color: var(--border-strong);
  box-shadow: var(--glow-accent);
}

/* --- App Store badge ----------------------------------------------------- */
.app-store-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 9px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.app-store-badge img {
  display: block;
  height: 50px;
  width: auto;
}
.app-store-badge:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
}
.app-store-badge:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.app-store-badge--sm img { height: 54px; }

/* --- Badge --------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent-2);
  background: rgba(23, 217, 255, 0.08);
  border: 1px solid var(--border-strong);
}
.badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 8px var(--accent-2);
}

/* Small neutral tag pill (e.g. iOS / macOS) */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

/* --- Header / navigation ------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(4, 8, 18, 0.72);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--text); }
.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 0 18px -4px rgba(23, 217, 255, 0.45);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav__links a {
  display: inline-block;
  padding: 9px 14px;
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 0.97rem;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
}
.nav__links a:hover,
.nav__links a[aria-current="page"] {
  color: var(--text);
  background: var(--surface);
}
.nav__links a[aria-current="page"] { box-shadow: inset 0 0 0 1px var(--border); }

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav__toggle span::before { transform: translateY(-6px); }
.nav__toggle span::after { transform: translateY(4px); }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translateY(0) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after { transform: translateY(-2px) rotate(-45deg); }

/* --- Work-in-progress banner --------------------------------------------- */
.site-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
  margin-top: 24px;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  background: rgba(20, 123, 255, 0.08);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.site-banner strong { color: var(--text); font-weight: 600; }
.site-banner svg { width: 18px; height: 18px; flex: 0 0 auto; color: var(--accent-2); }

@media (max-width: 480px) {
  .site-banner { flex-direction: column; gap: 6px; }
}

/* --- Hero ---------------------------------------------------------------- */
.hero {
  padding-block: clamp(48px, 7vw, 96px);
  position: relative;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
}

.hero__title {
  font-size: clamp(2.8rem, 1.6rem + 5vw, 4.6rem);
  letter-spacing: -0.03em;
  background: linear-gradient(120deg, var(--text) 30%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__subtitle {
  margin-top: 18px;
  font-size: clamp(1.15rem, 1rem + 0.6vw, 1.45rem);
  color: var(--text);
  font-weight: 500;
}
.hero__desc {
  margin-top: 18px;
  color: var(--text-secondary);
  max-width: 52ch;
  font-size: 1.08rem;
}
.hero__actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* Hero art: the transparent JS monogram resting on a soft static glow */
.hero__art {
  display: grid;
  place-items: center;
  position: relative;
}
.logo-mark {
  position: relative;
  width: min(460px, 90%);
  aspect-ratio: 600 / 471;
  display: grid;
  place-items: center;
  isolation: isolate;
}
.logo-mark::before {
  display: none;
}
.logo-mark__frame {
  position: relative;
  z-index: 1;
  width: 100%;
}
.logo-mark__frame img {
  width: 100%;
  height: auto;
  display: block;
  filter:
    drop-shadow(0 28px 46px rgba(0, 74, 180, 0.34))
    drop-shadow(0 0 30px rgba(0, 170, 255, 0.20))
    drop-shadow(0 0 8px rgba(23, 217, 255, 0.14));
}

/* App icon (e.g. FogMap) presented as a rounded tile on a soft glow */
.app-icon {
  position: relative;
  width: min(190px, 62%);
  aspect-ratio: 1 / 1;
  margin-inline: auto;
}
.app-icon::before {
  content: "";
  position: absolute;
  inset: 6%;
  border-radius: 30%;
  background: radial-gradient(closest-side, rgba(20, 123, 255, 0.40), rgba(23, 217, 255, 0.16) 55%, transparent 78%);
  filter: blur(18px);
  z-index: 0;
}
.app-icon img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 22%;
  border: 1px solid var(--border);
  box-shadow: 0 26px 60px -26px rgba(20, 123, 255, 0.55);
}

/* Small rounded app-icon thumbnail (used in the status row) */
.icon-thumb {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  border-radius: 13px;
  object-fit: cover;
  border: 1px solid var(--border);
}

/* --- Cards / grids ------------------------------------------------------- */
.grid {
  display: grid;
  gap: 22px;
  margin-top: 30px;
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), background var(--transition),
    border-color var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-3px);
  background: var(--surface-hover);
  border-color: var(--border-strong);
  box-shadow: var(--glow-accent);
}

/* Gradient icon tile */
.icon-tile {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  margin-bottom: 18px;
  color: #04101f;
  background: linear-gradient(135deg, var(--blue-a), var(--blue-b));
  box-shadow: 0 8px 22px -8px rgba(20, 123, 255, 0.7);
}
.icon-tile svg { width: 24px; height: 24px; }
.icon-tile--blue   { background: linear-gradient(135deg, var(--blue-a), var(--blue-b)); box-shadow: 0 8px 22px -8px rgba(20,123,255,0.7); }
.icon-tile--green  { background: linear-gradient(135deg, var(--green-a), var(--green-b)); box-shadow: 0 8px 22px -8px rgba(24,178,107,0.7); }
.icon-tile--cyan   { background: linear-gradient(135deg, #0EA5C9, var(--accent-2)); box-shadow: 0 8px 22px -8px rgba(23,217,255,0.7); }
.icon-tile--violet { background: linear-gradient(135deg, var(--violet-a), var(--violet-b)); box-shadow: 0 8px 22px -8px rgba(108,92,231,0.7); }
.icon-tile--amber  { background: linear-gradient(135deg, var(--amber-a), var(--amber-b)); box-shadow: 0 8px 22px -8px rgba(255,138,60,0.6); }

.card__title { font-size: 1.2rem; margin-bottom: 8px; }
.card__text { color: var(--text-secondary); font-size: 1rem; }
.card__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent-2);
}
.card__link::after { content: "→"; transition: transform var(--transition); }
.card__link:hover { color: var(--text); }
.card__link:hover::after { transform: translateX(3px); }

/* --- Feature / app panel ------------------------------------------------- */
.panel {
  background: linear-gradient(180deg, var(--surface), var(--bg-secondary));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 46px);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 30px;
}
.panel__head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.panel__head h3 { font-size: clamp(1.6rem, 1.2rem + 1.5vw, 2.1rem); }
.panel__text { color: var(--text-secondary); font-size: 1.08rem; max-width: 54ch; }
.panel__actions { margin-top: 26px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.panel__visual { display: grid; place-items: center; position: relative; }
.panel__visual .logo-mark { width: min(260px, 80%); }

/* --- Status / "in development" row --------------------------------------- */
.dev-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.dev-row:hover { background: var(--surface-hover); border-color: var(--border-strong); box-shadow: var(--glow-accent); }
.dev-row .icon-tile { margin-bottom: 0; }
.dev-row__title { font-size: 1.1rem; font-weight: 700; }
.dev-row__text { color: var(--text-secondary); font-size: 0.96rem; }
.dev-row__status { justify-self: end; }

/* Progress bar (visual only, qualitative) */
.progress {
  --value: 30%;
  width: clamp(120px, 22vw, 240px);
  height: 8px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
}
.progress > span {
  display: block;
  height: 100%;
  width: var(--value);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 14px -2px rgba(23, 217, 255, 0.7);
}

/* --- Concept / list ------------------------------------------------------ */
.feature-list { list-style: none; display: grid; gap: 14px; margin-top: 28px; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  color: var(--text-secondary);
  transition: border-color var(--transition), background var(--transition);
}
.feature-list li:hover { background: var(--surface-hover); border-color: var(--border-strong); }
.feature-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 14px -2px rgba(23, 217, 255, 0.6);
}

/* --- Feedback CTA -------------------------------------------------------- */
.cta {
  margin-top: 30px;
  background: linear-gradient(180deg, var(--surface), var(--bg-secondary));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 48px);
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  align-items: center;
  gap: 40px;
}
.cta__title { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem); margin-bottom: 12px; }
.cta__text { color: var(--text-secondary); max-width: 50ch; }
.cta__actions { margin-top: 24px; }

/* Pure-CSS speech bubble */
.bubble {
  justify-self: center;
  position: relative;
  width: min(220px, 80%);
  aspect-ratio: 1.4 / 1;
  border-radius: 26px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid;
  place-items: center;
  box-shadow: 0 24px 60px -24px rgba(20, 123, 255, 0.75);
}
.bubble::after {
  content: "";
  position: absolute;
  bottom: -14px;
  left: 34px;
  border-width: 16px 18px 0 0;
  border-style: solid;
  border-color: var(--accent-2) transparent transparent transparent;
  filter: drop-shadow(0 8px 8px rgba(20, 123, 255, 0.3));
}
.bubble__dots { display: flex; gap: 12px; }
.bubble__dots span {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  animation: blink 1.4s ease-in-out infinite;
}
.bubble__dots span:nth-child(2) { animation-delay: 0.2s; }
.bubble__dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }

/* --- Generic prose / policy --------------------------------------------- */
.prose { max-width: 70ch; }
.prose .block { padding-block: 26px; border-bottom: 1px solid var(--border); }
.prose .block:last-child { border-bottom: 0; }
.prose h2 { font-size: 1.3rem; margin-bottom: 10px; }
.prose p { color: var(--text-secondary); }
.prose ul { margin: 0; padding-left: 1.2em; color: var(--text-secondary); }
.prose li { margin-bottom: 10px; }
.prose li:last-child { margin-bottom: 0; }
.prose strong { color: var(--text); }
.prose__meta { margin-top: 6px; color: var(--text-secondary); font-size: 0.95rem; }

/* --- Contact / support --------------------------------------------------- */
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 48px);
  margin-top: 30px;
  max-width: 640px;
}
.contact-card__email {
  display: inline-block;
  margin: 6px 0 24px;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
}
.notice {
  margin-top: 26px;
  padding: 16px 20px;
  border-radius: var(--radius);
  background: rgba(20, 123, 255, 0.08);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* --- Footer -------------------------------------------------------------- */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  padding-block: 44px;
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.footer__brand { display: inline-flex; align-items: center; gap: 12px; }
.footer__brand img { width: 34px; height: 34px; border-radius: 9px; }
.footer__brand span { font-weight: 700; color: var(--text); }
.footer__copy { color: var(--text-secondary); font-size: 0.92rem; margin-top: 4px; }
.footer__links { list-style: none; display: flex; flex-wrap: wrap; gap: 22px; }
.footer__links a { color: var(--text-secondary); font-size: 0.95rem; }
.footer__links a:hover { color: var(--text); }
.footer__icon {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}
.footer__icon:hover { color: var(--accent-2); background: var(--surface-hover); border-color: var(--border-strong); }
.footer__icon svg { width: 18px; height: 18px; }

/* --- Responsive ---------------------------------------------------------- */
@media (max-width: 860px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__desc { margin-inline: auto; }
  .hero__actions { justify-content: center; }
  .hero__art { order: -1; }
  .grid--3 { grid-template-columns: 1fr; }
  .panel { grid-template-columns: 1fr; }
  .panel__visual { order: -1; }
  .cta { grid-template-columns: 1fr; text-align: center; }
  .cta__text { margin-inline: auto; }
  .bubble { margin-top: 8px; }
  .dev-row { grid-template-columns: auto 1fr; }
  .dev-row__status { grid-column: 1 / -1; justify-self: start; }

  .nav__toggle { display: inline-flex; }
  .nav__links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 16px 24px 24px;
    background: rgba(4, 8, 18, 0.96);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    display: none;
  }
  .nav__links.is-open { display: flex; }
  .nav__links a { padding: 12px 14px; font-size: 1.05rem; }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .section { padding-block: 52px; }
  .hero__actions .btn { flex: 1 1 auto; }
  .section__header { flex-wrap: wrap; }
}