/* ==========================================================================
   Zambia Travel Partner - single stylesheet
   Mobile first. No frameworks, no web fonts, no external requests.
   Sections:
     1. Tokens            6. Sections and cards
     2. Reset and base    7. FAQ
     3. Utilities         8. Contact and footer
     4. Header and nav    9. Floating WhatsApp
     5. Hero             10. Motion, print, reduced motion
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  --green-900: #08301F;
  --green-800: #0B4A33;
  --green-700: #12694A;
  --green-50:  #EDF4F0;
  --copper-600:#9A4A1B;
  --copper-500:#C4622D;

  --ink:   #101917;
  --body:  #38443F;
  --muted: #55635D;
  --line:  #DCD8CE;
  --bg:    #FFFFFF;
  --tint:  #F7F5F0;
  --focus: #B85C2E;
  --wa:    #0E7A62;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
          Arial, "Noto Sans", "Liberation Sans", sans-serif;

  --radius: 14px;
  --radius-lg: 18px;
  --shadow: 0 1px 2px rgba(16, 25, 23, .04), 0 8px 24px rgba(16, 25, 23, .06);
  --container: 1140px;
}

/* 2. Reset and base -------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--body);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h1 { font-size: clamp(1.95rem, 1.15rem + 3.1vw, 3.05rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.55rem, 1.12rem + 1.9vw, 2.3rem); margin: 0; }
h3 { font-size: 1.0625rem; line-height: 1.35; margin: 0 0 .5rem; letter-spacing: -0.005em; }

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--green-700); text-underline-offset: 2px; }
a:hover { color: var(--green-800); }

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

ul, ol { margin: 0 0 1rem; padding-left: 1.15rem; }
li { margin-bottom: .35rem; }

strong { color: var(--ink); }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection { background: #CFE3D8; color: var(--ink); }

/* 3. Utilities ------------------------------------------------------------- */
.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}
.container--narrow { width: min(100% - 2.5rem, 820px); }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: .5rem;
  z-index: 100;
  padding: .7rem 1.1rem;
  background: var(--green-800);
  color: #fff;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); color: #fff; }

.eyebrow {
  margin: 0 0 .7rem;
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .085em;
  text-transform: uppercase;
  color: var(--green-700);
}

.lede { font-size: 1.125rem; line-height: 1.6; color: var(--body); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .78rem 1.2rem;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: .9375rem;
  font-weight: 600;
  font-family: inherit;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .16s ease, border-color .16s ease, color .16s ease, transform .16s ease;
}
.btn--lg { padding: .92rem 1.45rem; font-size: 1rem; }
.btn--sm { padding: .55rem .85rem; font-size: .875rem; }

.btn--wa { background: var(--green-800); color: #fff; }
.btn--wa:hover { background: var(--green-900); color: #fff; }

.btn--ghost { background: transparent; color: var(--green-800); border-color: #B9CBC2; }
.btn--ghost:hover { background: var(--green-50); border-color: var(--green-700); color: var(--green-900); }

.ico { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }

.hide-sm { display: none; }
@media (min-width: 560px) { .hide-sm { display: inline-flex; } }

/* 4. Header and navigation ------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header.is-scrolled { box-shadow: 0 1px 12px rgba(16, 25, 23, .07); }

.site-header__inner {
  display: flex;
  align-items: center;
  gap: .75rem;
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  margin-right: auto;
  color: var(--ink);
  font-weight: 700;
  font-size: 1.0313rem;
  letter-spacing: -0.015em;
  text-decoration: none;
}
.brand:hover { color: var(--green-800); }
.brand__mark { display: inline-flex; flex: none; }
.brand__mark svg { display: block; }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem .6rem;
  margin-left: .25rem;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  font-family: inherit;
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
}
.nav-toggle__bars { display: grid; gap: 4px; width: 18px; }
.nav-toggle__bars span { display: block; height: 2px; background: var(--ink); border-radius: 2px; }

.site-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  padding: .5rem 1.25rem 1.25rem;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 14px 26px rgba(16, 25, 23, .09);
  max-height: calc(100vh - 68px);
  overflow-y: auto;
}
.site-nav.is-open { display: block; }

.site-nav__list { list-style: none; margin: 0; padding: 0; }
.site-nav__list li { margin: 0; border-bottom: 1px solid var(--line); }
.site-nav__list a {
  display: block;
  padding: .9rem .25rem;
  color: var(--ink);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
}
.site-nav__list a:hover,
.site-nav__list a.is-active { color: var(--green-700); }
.site-nav__cta { width: 100%; margin-top: 1rem; }

@media (min-width: 1000px) {
  .nav-toggle { display: none; }
  .site-nav,
  .site-nav.is-open {
    display: flex;
    position: static;
    align-items: center;
    gap: 1.5rem;
    padding: 0;
    border: 0;
    box-shadow: none;
    background: transparent;
    max-height: none;
    overflow: visible;
  }
  .site-nav__list { display: flex; align-items: center; gap: 1.4rem; }
  .site-nav__list li { border: 0; }
  .site-nav__list a { padding: .35rem 0; font-size: .9375rem; }
  .site-nav__list a.is-active { box-shadow: inset 0 -2px 0 var(--copper-500); }
  .site-nav__cta { display: none; }
  .site-header__cta { margin-left: .25rem; }
}

/* 5. Hero ------------------------------------------------------------------ */
.hero { padding-block: clamp(2.25rem, 5vw, 4.25rem) clamp(2.5rem, 6vw, 4.75rem); }

.hero__grid { display: grid; gap: 2.25rem; }

.hero__copy .lede { max-width: 56ch; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin: 1.75rem 0 0;
}
.hero__note { margin: 1rem 0 0; font-size: .9375rem; color: var(--muted); }

.hero__points {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: .5rem;
  font-size: .9375rem;
}
.hero__points li { position: relative; margin: 0; padding-left: 1.5rem; }
.hero__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .5em;
  width: .5rem;
  height: .5rem;
  border-radius: 2px;
  background: var(--copper-500);
}

.hero__media img { width: 100%; border-radius: var(--radius-lg); }

@media (min-width: 1000px) {
  .hero__grid {
    grid-template-columns: 1.02fr .98fr;
    align-items: center;
    gap: 3.25rem;
  }
  .hero__media img { border-radius: 20px; }
}

/* 6. Sections and cards ---------------------------------------------------- */
.section { padding-block: clamp(3rem, 6.5vw, 5.75rem); }
.section--tint { background: var(--tint); border-block: 1px solid var(--line); }

.section__head {
  max-width: 64ch;
  margin-bottom: clamp(1.75rem, 3.5vw, 2.75rem);
}
.section__intro { margin: .85rem 0 0; color: var(--muted); }

.section__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.75rem;
}

/* Cards */
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.cards li { margin: 0; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem 1.5rem;
}
.card h3 { margin-bottom: .5rem; }
.card p { color: var(--body); }

.svc { display: flex; flex-direction: column; }
.svc__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: .9rem;
  border-radius: 11px;
  background: var(--green-50);
  color: var(--green-700);
}
.card__note {
  margin-top: auto;
  padding-top: .9rem;
  border-top: 1px dashed var(--line);
  font-size: .9375rem;
  color: var(--muted);
}
.svc .ticks { margin-bottom: .9rem; }

@media (min-width: 760px) {
  .cards--2, .cards--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1060px) {
  .cards--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cards--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .svc-list { gap: 1.25rem; }
}

/* Lists with markers */
.ticks { list-style: none; margin: 1rem 0 0; padding: 0; }
.ticks li { position: relative; margin-bottom: .5rem; padding-left: 1.5rem; }
.ticks li::before {
  content: "";
  position: absolute;
  left: .1rem;
  top: .55em;
  width: .45rem;
  height: .45rem;
  border-radius: 2px;
  background: var(--copper-500);
}
.ticks--lg li { margin-bottom: .65rem; }

.plain-list { list-style: none; margin: 1.25rem 0 0; padding: 0; display: grid; gap: .85rem; }
.plain-list li { margin: 0; padding-left: 0; }

.callout {
  margin: 1.5rem 0 0;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--copper-500);
  background: var(--tint);
  border-radius: 0 10px 10px 0;
  font-size: .9688rem;
}
.section--tint .callout { background: #fff; }

/* Split layouts */
.split { display: grid; gap: clamp(1.75rem, 4vw, 3rem); align-items: center; }

@media (max-width: 999px) {
  .split--media-left > .figure { order: 2; }
  .split--media-left > div { order: 1; }
}
@media (min-width: 1000px) {
  .split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .split--aside { grid-template-columns: minmax(0, 1fr) 380px; align-items: start; }
}

/* Who we help. The cards come first in the document so the reading order on a
   phone matches the DOM; the photo is only moved alongside them on wide screens. */
.who { display: grid; gap: 2rem; }
@media (min-width: 1000px) {
  .who { grid-template-columns: 330px minmax(0, 1fr); gap: 2.5rem; align-items: start; }
  .who > .figure { order: -1; }
}

/* Figures */
.figure { margin: 0; }
.figure img { width: 100%; border-radius: var(--radius); }
.figure figcaption {
  margin-top: .65rem;
  font-size: .875rem;
  line-height: 1.5;
  color: var(--muted);
}

/* Panel */
.panel {
  background: var(--green-50);
  border: 1px solid #D2E2D9;
  border-radius: var(--radius-lg);
  padding: clamp(1.35rem, 3vw, 1.85rem);
}
.panel h3 { margin-bottom: .75rem; }

/* Steps */
.steps { counter-reset: step; list-style: none; margin: 0; padding: 0; display: grid; gap: 1.5rem; }
.step { position: relative; margin: 0; padding-left: 3.4rem; }
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: -.1rem;
  width: 2.3rem;
  height: 2.3rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--green-800);
  color: #fff;
  font-size: .9375rem;
  font-weight: 700;
}
.step h3 { margin-bottom: .3rem; }

/* 7. FAQ ------------------------------------------------------------------- */
.faq { display: grid; gap: .65rem; }

.faq__item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq__item > summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.05rem 1.2rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}
.faq__item > summary::-webkit-details-marker { display: none; }
.faq__item > summary::after {
  content: "";
  flex: none;
  width: .6rem;
  height: .6rem;
  margin-top: .45rem;
  border-right: 2px solid var(--green-700);
  border-bottom: 2px solid var(--green-700);
  transform: rotate(45deg);
  transition: transform .18s ease;
}
.faq__item[open] > summary::after { transform: rotate(-135deg); margin-top: .6rem; }
.faq__item > summary:hover { background: var(--tint); }
.faq__body { padding: 0 1.2rem 1.2rem; color: var(--body); }
.faq__body p { margin: 0; }

/* 8. Contact and footer ---------------------------------------------------- */
.section--contact {
  background: var(--green-800);
  color: #DCE9E3;
  border-top: 0;
}
.section--contact h2 { color: #fff; }
.section--contact .eyebrow { color: #9CC7B4; }
.section--contact .lede { color: #D3E4DC; }

.contact { display: grid; gap: 2.25rem; align-items: start; }
@media (min-width: 1000px) {
  .contact { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 3rem; }
}

.contact__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.75rem 0 0; }
.section--contact .btn--ghost { color: #fff; border-color: rgba(255, 255, 255, .5); }
.section--contact .btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; color: #fff; }
.section--contact .btn--wa { background: #fff; color: var(--green-900); }
.section--contact .btn--wa:hover { background: #E7F0EB; color: var(--green-900); }

.contact__direct { display: grid; gap: 1rem; margin: 2rem 0 0; padding: 0; }
.contact__direct dt {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: #9CC7B4;
}
.contact__direct dd { margin: .2rem 0 0; font-size: 1.0625rem; font-weight: 600; }
.contact__direct a { color: #fff; text-decoration: underline; text-decoration-color: rgba(255,255,255,.45); }
.contact__direct a:hover { text-decoration-color: #fff; color: #fff; }

.contact__note { margin-top: 1.75rem; font-size: .9375rem; color: #BBD3C8; }

.section--contact .panel {
  background: rgba(255, 255, 255, .07);
  border-color: rgba(255, 255, 255, .2);
  color: #DCE9E3;
}
.section--contact .panel h3 { color: #fff; }
.section--contact .ticks li::before { background: #E4A57E; }

/* Footer */
.site-footer {
  background: var(--green-900);
  color: #B9CFC6;
  padding-block: clamp(2.5rem, 5vw, 3.75rem) 1.75rem;
  font-size: .9375rem;
}
.site-footer__grid { display: grid; gap: 2.25rem; }
.site-footer__brand p { margin: 1rem 0 0; max-width: 34ch; color: #A7C2B8; }

.brand--footer { color: #fff; }
.brand--footer:hover { color: #fff; }

.site-footer h2 {
  margin: 0 0 .9rem;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #8FB3A5;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .5rem; }
.site-footer a { color: #DBE8E2; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer__meta { margin: 1rem 0 0; color: #A7C2B8; }

.site-footer__bottom {
  margin-top: 2.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, .15);
  font-size: .8125rem;
  color: #9AB4AA;
}
.site-footer__legal { margin-top: .6rem; }
.site-footer__legal a { color: #C6DAD2; }

@media (min-width: 700px) {
  .site-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1000px) {
  .site-footer__grid { grid-template-columns: 1.7fr 1fr 1.15fr 1.15fr; gap: 2.5rem; }
}

/* 9. Floating WhatsApp (small screens only) -------------------------------- */
.wa-float {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 60;
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--wa);
  color: #fff;
  box-shadow: 0 6px 20px rgba(8, 48, 31, .34);
  transition: opacity .2s ease, visibility .2s ease, transform .2s ease;
}
.wa-float svg { fill: none; stroke: #fff; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.wa-float:hover { background: #0B6552; }
.wa-float.is-hidden { opacity: 0; visibility: hidden; transform: translateY(8px); }

@media (min-width: 1000px) { .wa-float { display: none; } }

/* 10. Motion and print ----------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  @media (hover: hover) {
    .card { transition: border-color .16s ease, box-shadow .16s ease; }
    .card:hover { border-color: #C6D6CE; box-shadow: var(--shadow); }
    .btn:hover { transform: translateY(-1px); }
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

@media print {
  .site-header, .wa-float, .skip-link, .site-nav, .nav-toggle { display: none !important; }
  body { color: #000; font-size: 12pt; }
  .section, .hero { padding-block: 1rem; }
  .card, .panel, .faq__item { border-color: #999; break-inside: avoid; }
  .section--contact, .site-footer { background: #fff; color: #000; }
  .section--contact h2, .section--contact .lede, .site-footer h2 { color: #000; }
  .contact__direct a, .site-footer a { color: #000; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 9pt; color: #444; }
  details { display: block; }
  details > summary { list-style: none; }
  details > .faq__body { display: block; }
}