/* =========================================================
   Mabanza Express — feuille de style principale
   Sommaire :
   1. Variables & thèmes      6. Suivi / timeline
   2. Reset & base            7. Tarifs & simulateur
   3. Utilitaires             8. Process / avis / FAQ
   4. Header & navigation     9. Contact & footer
   5. Hero & bandeau         10. Animations & responsive
   ========================================================= */

/* ---------- 1. Variables & thèmes ---------- */
:root{
  --brand:      #1d4ed8;
  --brand-dark: #1e3a8a;
  --brand-soft: #eff4ff;
  --accent:     #f59e0b;
  --accent-dark:#d97706;

  --bg:         #ffffff;
  --bg-alt:     #f6f8fc;
  --surface:    #ffffff;
  --surface-2:  #f2f5fb;
  --text:       #0f172a;
  --text-soft:  #55617a;
  --border:     #e2e8f0;

  --ok:  #16a34a;
  --err: #dc2626;

  --radius:   14px;
  --radius-lg:22px;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.06), 0 2px 6px rgba(15,23,42,.05);
  --shadow-md: 0 4px 12px rgba(15,23,42,.07), 0 12px 32px rgba(15,23,42,.07);
  --shadow-lg: 0 18px 50px rgba(29,78,216,.16);

  --maxw: 1160px;
  --gap:  clamp(1.2rem, 3vw, 2rem);
  --ease: cubic-bezier(.22,.85,.3,1);

  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

html[data-theme="dark"]{
  --brand:      #6ea0ff;
  --brand-dark: #3b6fd4;
  --brand-soft: #16203a;
  --accent:     #fbbf24;
  --accent-dark:#f59e0b;

  --bg:        #0b1120;
  --bg-alt:    #0f172a;
  --surface:   #131c2f;
  --surface-2: #1a2439;
  --text:      #e8edf7;
  --text-soft: #9aa8c2;
  --border:    #24314c;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 6px 18px rgba(0,0,0,.45);
  --shadow-lg: 0 20px 50px rgba(0,0,0,.55);
}

/* ---------- 2. Reset & base ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:88px; }
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  transition:background .3s var(--ease), color .3s var(--ease);
}
img,svg{ max-width:100%; display:block; }
a{ color:var(--brand); text-decoration:none; }
a:hover{ text-decoration:underline; }
button,input,select,textarea{ font:inherit; color:inherit; }
h1,h2,h3{ line-height:1.15; margin:0 0 .5em; letter-spacing:-.02em; font-weight:800; }
h1{ font-size:clamp(2.1rem, 5.2vw, 3.8rem); }
h2{ font-size:clamp(1.7rem, 3.6vw, 2.6rem); }
h3{ font-size:1.15rem; font-weight:700; }
p{ margin:0 0 1rem; }
ul,ol{ margin:0; padding:0; list-style:none; }

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

/* ---------- 3. Utilitaires ---------- */
.container{ width:min(100% - 2.5rem, var(--maxw)); margin-inline:auto; }
.container--narrow{ width:min(100% - 2.5rem, 780px); }

.section{ padding:clamp(3.5rem, 8vw, 6.5rem) 0; }
.section--alt{ background:var(--bg-alt); }
.section__head{ max-width:660px; margin:0 auto clamp(2rem,4vw,3.2rem); text-align:center; }
.section__sub{ color:var(--text-soft); font-size:1.05rem; margin:0; }

.eyebrow{
  display:inline-block; margin:0 0 .7rem;
  font-size:.8rem; font-weight:700; letter-spacing:.09em; text-transform:uppercase;
  color:var(--brand); background:var(--brand-soft);
  padding:.35rem .8rem; border-radius:999px;
}
.lead{ font-size:clamp(1.02rem,1.6vw,1.2rem); color:var(--text-soft); max-width:56ch; }
.grad{
  background:linear-gradient(100deg, var(--brand), var(--accent));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}
.skip-link{
  position:absolute; left:-999px; top:0; z-index:200;
  background:var(--brand); color:#fff; padding:.7rem 1.1rem; border-radius:0 0 8px 0;
}
.skip-link:focus{ left:0; }

.grid{ display:grid; gap:var(--gap); }
.grid--3{ grid-template-columns:repeat(auto-fit, minmax(280px, 1fr)); }

/* Boutons */
.btn{
  --btn-bg:var(--brand); --btn-fg:#fff;
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  padding:.85rem 1.5rem; border:2px solid transparent; border-radius:999px;
  background:var(--btn-bg); color:var(--btn-fg);
  font-weight:700; font-size:.98rem; cursor:pointer; text-decoration:none;
  transition:transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
  white-space:nowrap;
}
.btn:hover{ text-decoration:none; transform:translateY(-2px); box-shadow:var(--shadow-lg); }
.btn:active{ transform:translateY(0); }
.btn--primary{ background:linear-gradient(120deg, var(--brand), var(--brand-dark)); }
.btn--ghost{ background:transparent; color:var(--text); border-color:var(--border); }
.btn--ghost:hover{ border-color:var(--brand); color:var(--brand); box-shadow:var(--shadow-md); }
.btn--sm{ padding:.55rem 1.05rem; font-size:.9rem; }
.btn--block{ width:100%; }

.linkish{
  background:none; border:0; padding:0; cursor:pointer;
  color:var(--brand); font-weight:700; text-decoration:underline;
}

/* ---------- 4. Header & navigation ---------- */
.header{
  position:sticky; top:0; z-index:100;
  background:color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .25s, box-shadow .25s;
}
.header.is-stuck{ border-bottom-color:var(--border); box-shadow:var(--shadow-sm); }
.header__inner{ display:flex; align-items:center; gap:1rem; min-height:72px; }

.logo{ display:inline-flex; align-items:center; gap:.6rem; color:var(--text); font-size:1.15rem; }
.logo:hover{ text-decoration:none; }
.logo__mark{
  width:38px; height:38px; display:grid; place-items:center; flex:none;
  border-radius:11px; color:#fff;
  background:linear-gradient(135deg, var(--brand), var(--accent));
  box-shadow:var(--shadow-sm);
}
.logo__mark svg{ width:21px; height:21px; }
.logo__text{ font-weight:500; letter-spacing:-.02em; }
.logo__text strong{ font-weight:800; }

.nav{ margin-left:auto; }
.nav__list{ display:flex; align-items:center; gap:.35rem; }
.nav__list a{
  display:block; padding:.5rem .8rem; border-radius:999px;
  color:var(--text-soft); font-weight:600; font-size:.95rem;
}
.nav__list a:hover{ color:var(--text); background:var(--surface-2); text-decoration:none; }
.nav__list a.is-active{ color:var(--brand); background:var(--brand-soft); }
.nav__cta{ margin-left:.4rem; }
.nav__cta a,.nav__cta a:hover{ color:#fff; background:linear-gradient(120deg,var(--brand),var(--brand-dark)); }

.header__actions{ display:flex; align-items:center; gap:.4rem; }
.icon-btn{
  width:40px; height:40px; display:grid; place-items:center; flex:none;
  border:1px solid var(--border); border-radius:12px; background:var(--surface);
  cursor:pointer; transition:border-color .2s, transform .2s;
}
.icon-btn:hover{ border-color:var(--brand); transform:translateY(-1px); }
.icon-btn svg{ width:19px; height:19px; }
.icon-moon{ display:none; }
html[data-theme="dark"] .icon-sun{ display:none; }
html[data-theme="dark"] .icon-moon{ display:block; }

.burger{
  display:none; width:40px; height:40px; flex:none;
  border:1px solid var(--border); border-radius:12px; background:var(--surface);
  cursor:pointer; padding:0;
}
.burger span{
  display:block; width:18px; height:2px; margin:3px auto; border-radius:2px;
  background:var(--text); transition:transform .28s var(--ease), opacity .2s;
}
.burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.burger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-5px) rotate(-45deg); }

/* ---------- 5. Hero & bandeau ---------- */
.hero{ position:relative; overflow:hidden; padding:clamp(3rem,7vw,5.5rem) 0 clamp(3rem,6vw,5rem); }
.hero__bg{
  position:absolute; inset:0; z-index:-1;
  background:
    radial-gradient(60rem 30rem at 12% -10%, color-mix(in srgb, var(--brand) 18%, transparent), transparent 60%),
    radial-gradient(45rem 25rem at 95% 8%,  color-mix(in srgb, var(--accent) 16%, transparent), transparent 60%);
}
.hero__bg::after{
  content:""; position:absolute; inset:0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--text) 6%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--text) 6%, transparent) 1px, transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(70% 60% at 50% 30%, #000, transparent 75%);
}
.hero__inner{ display:grid; grid-template-columns:1.15fr .85fr; gap:clamp(2rem,4vw,3.5rem); align-items:center; }
.hero__actions{ display:flex; flex-wrap:wrap; gap:.8rem; margin:1.6rem 0 2.2rem; }

.hero__trust{ display:flex; flex-wrap:wrap; gap:clamp(1.2rem,4vw,2.6rem); }
.hero__trust li{ display:flex; flex-direction:column; }
.hero__trust strong{ font-size:1.85rem; font-weight:800; color:var(--brand); line-height:1.1; }
.hero__trust span{ font-size:.86rem; color:var(--text-soft); }

.hero__card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:1.6rem; box-shadow:var(--shadow-md);
}
.hero__card-title{ font-size:1.2rem; margin-bottom:.25rem; }
.hero__card-sub{ font-size:.9rem; color:var(--text-soft); margin-bottom:1rem; }
.track-hint{ font-size:.84rem; color:var(--text-soft); margin:.7rem 0 0; }

.track-form{ display:flex; gap:.5rem; }
.track-form input{
  flex:1 1 auto; min-width:0;
  padding:.8rem 1rem; border:1px solid var(--border); border-radius:999px;
  background:var(--bg); text-transform:uppercase; letter-spacing:.05em; font-weight:600;
  transition:border-color .2s, box-shadow .2s;
}
.track-form input::placeholder{ font-weight:400; letter-spacing:normal; color:var(--text-soft); text-transform:none; }
.track-form input:focus{ outline:none; border-color:var(--brand); box-shadow:0 0 0 4px var(--brand-soft); }
.track-form--big{ max-width:560px; margin-inline:auto; }
.track-form--big input{ padding:1.05rem 1.4rem; font-size:1.05rem; }
.track-form--mini input{ padding:.55rem .9rem; font-size:.9rem; }

.mini-map{ margin-top:1.4rem; color:var(--accent); }
.mini-map svg{ width:100%; height:auto; overflow:visible; }
.mini-map__route{
  fill:none; stroke:var(--brand); stroke-width:3; stroke-linecap:round; stroke-dasharray:6 8; opacity:.55;
  animation:dash 22s linear infinite;
}
.mini-map__dot{ fill:var(--brand); }
.mini-map__dot--end{ fill:var(--accent); }
.mini-map__truck{ offset-path:path("M20 96 C 90 20, 200 130, 300 30"); animation:ride 6s var(--ease) infinite; }
@keyframes dash{ to{ stroke-dashoffset:-280; } }
@keyframes ride{ 0%{ offset-distance:0%; } 70%,100%{ offset-distance:100%; } }

/* Bandeau logos */
.strip{ border-block:1px solid var(--border); background:var(--surface); overflow:hidden; }
.strip__inner{ display:flex; align-items:center; gap:1.6rem; padding:1rem 0; }
.strip__label{ font-size:.82rem; font-weight:700; color:var(--text-soft); white-space:nowrap; text-transform:uppercase; letter-spacing:.07em; }
.strip__track{ display:flex; gap:2.6rem; animation:slide 32s linear infinite; white-space:nowrap; }
.strip__track span{ font-size:1.02rem; font-weight:700; color:var(--text-soft); opacity:.65; }
@keyframes slide{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }

/* Cartes services */
.card{
  position:relative;
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:1.7rem; box-shadow:var(--shadow-sm);
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s;
}
.card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); border-color:color-mix(in srgb, var(--brand) 40%, var(--border)); }
.card--featured{ border-color:var(--brand); box-shadow:var(--shadow-lg); }
.card__icon{
  width:50px; height:50px; display:grid; place-items:center; font-size:1.5rem;
  border-radius:14px; background:var(--brand-soft); margin-bottom:1rem;
}
.card p{ color:var(--text-soft); font-size:.96rem; }
.card__list{ display:flex; flex-wrap:wrap; gap:.4rem; margin-top:1rem; }
.card__list li{
  font-size:.8rem; font-weight:600; padding:.25rem .65rem; border-radius:999px;
  background:var(--surface-2); color:var(--text-soft);
}
.badge{
  position:absolute; top:-11px; right:1.3rem;
  font-size:.72rem; font-weight:800; letter-spacing:.05em; text-transform:uppercase;
  background:var(--accent); color:#20160a; padding:.28rem .7rem; border-radius:999px;
}

/* ---------- 6. Suivi / timeline ---------- */
.tracker{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:clamp(1.4rem,3vw,2.4rem); box-shadow:var(--shadow-md);
}
.form-error{ color:var(--err); font-weight:600; text-align:center; margin:.9rem 0 0; font-size:.92rem; }
.form-success{ color:var(--ok); font-weight:600; margin:.9rem 0 0; font-size:.94rem; }
.form-note{ font-size:.8rem; color:var(--text-soft); margin:.8rem 0 0; }

.tracker__result{ margin-top:2rem; border-top:1px solid var(--border); padding-top:1.7rem; }
.tracker__head{ display:flex; flex-wrap:wrap; gap:1.6rem 2.6rem; margin-bottom:1.9rem; }
.tracker__label{ display:block; font-size:.76rem; text-transform:uppercase; letter-spacing:.08em; color:var(--text-soft); font-weight:700; }
.tracker__num{ font-size:1.15rem; letter-spacing:.04em; }
.pill{
  display:inline-block; padding:.2rem .75rem; border-radius:999px;
  background:var(--brand-soft); color:var(--brand); font-size:.92rem;
}
.pill[data-state="delivered"]{ background:color-mix(in srgb, var(--ok) 15%, transparent); color:var(--ok); }
.pill[data-state="transit"]{ background:color-mix(in srgb, var(--accent) 20%, transparent); color:var(--accent-dark); }

.timeline{ position:relative; padding-left:2.1rem; }
.timeline::before{
  content:""; position:absolute; left:9px; top:6px; bottom:6px; width:2px; background:var(--border);
}
.timeline li{ position:relative; padding-bottom:1.5rem; }
.timeline li:last-child{ padding-bottom:0; }
.timeline li::before{
  content:""; position:absolute; left:-2.1rem; top:5px;
  width:20px; height:20px; border-radius:50%;
  background:var(--surface); border:2px solid var(--border);
}
.timeline li.done::before{
  background:var(--brand); border-color:var(--brand);
  box-shadow:0 0 0 4px color-mix(in srgb, var(--brand) 18%, transparent);
}
.timeline li.current::before{
  background:var(--accent); border-color:var(--accent);
  animation:pulse 1.8s ease-out infinite;
}
@keyframes pulse{
  0%{ box-shadow:0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent); }
  100%{ box-shadow:0 0 0 14px transparent; }
}
.timeline strong{ display:block; font-size:1rem; }
.timeline span{ font-size:.87rem; color:var(--text-soft); }

/* ---------- 7. Tarifs & simulateur ---------- */
.pricing{ align-items:start; }
.price{
  position:relative; background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:1.9rem; box-shadow:var(--shadow-sm);
  transition:transform .25s var(--ease), box-shadow .25s var(--ease);
}
.price:hover{ transform:translateY(-5px); box-shadow:var(--shadow-md); }
.price--featured{ border-color:var(--brand); box-shadow:var(--shadow-lg); }
.price__amount{ display:flex; align-items:baseline; gap:.3rem; margin:.2rem 0 .4rem; }
.price__amount span{ font-size:2.3rem; font-weight:800; letter-spacing:-.03em; }
.price__amount small{ color:var(--text-soft); font-size:.9rem; }
.price__desc{ color:var(--text-soft); font-size:.93rem; }
.price__list{ margin:1.2rem 0 1.6rem; display:grid; gap:.55rem; }
.price__list li{ position:relative; padding-left:1.6rem; font-size:.94rem; }
.price__list li::before{ content:"✓"; position:absolute; left:0; color:var(--ok); font-weight:800; }
.price__list li.off{ color:var(--text-soft); opacity:.6; }
.price__list li.off::before{ content:"×"; color:var(--text-soft); }

.simulator{
  display:grid; grid-template-columns:1.15fr .85fr; gap:0;
  margin-top:clamp(2rem,4vw,3.2rem);
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-md);
}
.simulator__form{ padding:clamp(1.5rem,3vw,2.3rem); display:grid; gap:1.2rem; align-content:start; }
.simulator__result{
  padding:clamp(1.5rem,3vw,2.3rem);
  background:linear-gradient(160deg, var(--brand), var(--brand-dark));
  color:#fff; display:flex; flex-direction:column; justify-content:center;
}
.simulator__result .btn--primary{ background:#fff; color:var(--brand-dark); }
.simulator__label{ font-size:.78rem; text-transform:uppercase; letter-spacing:.09em; opacity:.85; font-weight:700; }
.simulator__price{ font-size:clamp(2.4rem,5vw,3.2rem); font-weight:800; letter-spacing:-.03em; margin:.1rem 0 .2rem; }
.simulator__delay{ font-size:.95rem; opacity:.9; margin-bottom:1rem; }
.simulator__breakdown{ display:grid; gap:.3rem; margin-bottom:1.3rem; font-size:.87rem; }
.simulator__breakdown li{ display:flex; justify-content:space-between; gap:1rem; opacity:.9; border-bottom:1px dashed rgba(255,255,255,.22); padding-bottom:.25rem; }
.simulator__note{ font-size:.76rem; opacity:.78; margin:.9rem 0 0; }

/* Champs de formulaire */
.field{ display:grid; gap:.4rem; }
.field label{ font-size:.88rem; font-weight:700; }
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%; padding:.75rem .9rem; border:1px solid var(--border); border-radius:var(--radius);
  background:var(--bg); transition:border-color .2s, box-shadow .2s;
}
.field textarea{ resize:vertical; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--brand); box-shadow:0 0 0 4px var(--brand-soft);
}
.field input.is-invalid, .field textarea.is-invalid{ border-color:var(--err); }
.field__error{ color:var(--err); font-size:.8rem; min-height:1em; }
.field--check{ gap:.5rem; }
.field--check label{ display:flex; align-items:center; gap:.55rem; font-weight:500; font-size:.92rem; cursor:pointer; }
.field--check input{ width:18px; height:18px; accent-color:var(--brand); }

input[type="range"]{ width:100%; accent-color:var(--brand); }
output{ font-weight:800; color:var(--brand); }

/* ---------- 8. Process / avis / FAQ ---------- */
.steps{ display:grid; grid-template-columns:repeat(auto-fit, minmax(220px,1fr)); gap:var(--gap); counter-reset:s; }
.step{ position:relative; padding-top:.5rem; }
.step__num{
  display:grid; place-items:center; width:46px; height:46px; margin-bottom:.9rem;
  border-radius:14px; font-weight:800; font-size:1.1rem; color:#fff;
  background:linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow:var(--shadow-sm);
}
.step p{ color:var(--text-soft); font-size:.95rem; margin:0; }

.quote{
  margin:0; background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:1.7rem; box-shadow:var(--shadow-sm);
  display:flex; flex-direction:column; gap:.9rem;
}
.stars{ color:var(--accent); letter-spacing:.18em; font-size:1.05rem; }
.quote blockquote{ margin:0; font-size:1rem; line-height:1.65; }
.quote figcaption{ display:flex; flex-direction:column; margin-top:auto; padding-top:.4rem; border-top:1px solid var(--border); }
.quote figcaption span{ font-size:.85rem; color:var(--text-soft); }

.accordion{ display:grid; gap:.7rem; }
.acc{
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius); overflow:hidden; transition:border-color .2s, box-shadow .2s;
}
.acc[open]{ border-color:var(--brand); box-shadow:var(--shadow-sm); }
.acc summary{
  cursor:pointer; list-style:none; padding:1.05rem 3rem 1.05rem 1.2rem;
  font-weight:700; position:relative;
}
.acc summary::-webkit-details-marker{ display:none; }
.acc summary::after{
  content:"+"; position:absolute; right:1.2rem; top:50%; transform:translateY(-50%);
  font-size:1.5rem; font-weight:400; color:var(--brand); transition:transform .25s var(--ease);
}
.acc[open] summary::after{ content:"−"; }
.acc summary:hover{ background:var(--surface-2); }
.acc__body{ padding:0 1.2rem 1.2rem; color:var(--text-soft); }
.acc__body p{ margin:0; }

/* ---------- 9. Contact & footer ---------- */
.contact{
  display:grid; grid-template-columns:.95fr 1.05fr; gap:clamp(1.8rem,4vw,3.5rem);
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:clamp(1.6rem,4vw,3rem); box-shadow:var(--shadow-md);
}
.contact__intro p{ color:var(--text-soft); }
.contact__info{ display:grid; gap:.75rem; margin-top:1.6rem; }
.contact__info li{ display:flex; align-items:center; gap:.7rem; font-size:.96rem; }
.contact__info span{ width:34px; height:34px; display:grid; place-items:center; flex:none; border-radius:10px; background:var(--brand-soft); }
.contact__form{ display:grid; gap:.9rem; align-content:start; }

.footer{ background:var(--bg-alt); border-top:1px solid var(--border); padding-top:clamp(2.5rem,5vw,4rem); }
.footer__inner{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:var(--gap); }
.footer__brand p{ color:var(--text-soft); font-size:.92rem; margin-top:.8rem; max-width:30ch; }
.footer__col h3{ font-size:.86rem; text-transform:uppercase; letter-spacing:.08em; color:var(--text-soft); margin-bottom:.9rem; }
.footer__col ul{ display:grid; gap:.5rem; }
.footer__col a{ color:var(--text); font-size:.94rem; }
.footer__col a:hover{ color:var(--brand); }
.footer__bottom{
  display:flex; flex-wrap:wrap; justify-content:space-between; gap:1rem;
  margin-top:clamp(2rem,4vw,3rem); padding:1.2rem 0;
  border-top:1px solid var(--border); font-size:.86rem; color:var(--text-soft);
}
.footer__bottom p{ margin:0; }
.footer__bottom ul{ display:flex; gap:1.2rem; }
.footer__bottom a{ color:var(--text-soft); }

.to-top{
  position:fixed; right:1.2rem; bottom:1.2rem; z-index:90;
  width:46px; height:46px; display:grid; place-items:center;
  border-radius:50%; background:var(--brand); color:#fff; font-size:1.2rem;
  box-shadow:var(--shadow-lg); text-decoration:none;
  opacity:0; transform:translateY(12px); transition:opacity .25s, transform .25s;
}
.to-top:hover{ text-decoration:none; }
.to-top.is-visible{ opacity:1; transform:translateY(0); }

/* ---------- 10. Animations & responsive ---------- */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.is-in{ opacity:1; transform:none; }

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

@media (max-width: 980px){
  .hero__inner{ grid-template-columns:1fr; }
  .simulator{ grid-template-columns:1fr; }
  .contact{ grid-template-columns:1fr; }
  .footer__inner{ grid-template-columns:1fr 1fr; }
}

@media (max-width: 820px){
  .burger{ display:block; }
  .nav{
    position:fixed; inset:72px 0 auto; margin:0;
    background:var(--bg); border-bottom:1px solid var(--border);
    box-shadow:var(--shadow-md);
    max-height:0; overflow:hidden; transition:max-height .35s var(--ease);
  }
  .nav.is-open{ max-height:min(78vh, 520px); overflow:auto; }
  .nav__list{ flex-direction:column; align-items:stretch; gap:.2rem; padding:1rem 1.25rem 1.5rem; }
  .nav__list a{ padding:.8rem 1rem; font-size:1rem; }
  .nav__cta{ margin:.6rem 0 0; }
  .nav__cta a{ text-align:center; justify-content:center; }
}

@media (max-width: 560px){
  .footer__inner{ grid-template-columns:1fr; }
  .hero__actions .btn{ flex:1 1 100%; }
  .track-form{ flex-wrap:wrap; }
  .track-form .btn{ width:100%; }
  .tracker__head{ gap:1.1rem; }
}