/* =========================================================
   VoltGo – Mobile Battery Service | Shared stylesheet (EN + AR)
   ========================================================= */
:root {
  color-scheme: dark;
  --bg: #0a0f1f;
  --bg-2: #0f1730;
  --surface: rgba(255, 255, 255, 0.05);
  --surface-2: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.1);
  --text: #eef2ff;
  --muted: #a5b0cf;
  --yellow: #ffd60a;
  --lime: #3cf2a1;
  --blue: #3d8bff;
  --wa: #25d366;
  --grad: linear-gradient(120deg, var(--yellow), var(--lime));
  --radius: 18px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  --font: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
}
[dir="rtl"] { --font: "Cairo", system-ui, "Segoe UI", Tahoma, sans-serif; }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; overflow-x: hidden; overflow-x: clip; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
/* subtle animated background grid */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(circle at 15% 20%, rgba(61, 139, 255, 0.12), transparent 40%),
    radial-gradient(circle at 85% 70%, rgba(60, 242, 161, 0.08), transparent 45%),
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px) 0 0 / 48px 48px,
    var(--bg);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
.container { width: min(1180px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(820px, 100% - 32px); }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.eyebrow {
  display: inline-block;
  font-size: .82rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--yellow);
  background: rgba(255, 214, 10, 0.1);
  border: 1px solid rgba(255, 214, 10, 0.25);
  padding: 6px 14px; border-radius: 99px; margin-bottom: 16px;
}
[dir="rtl"] .eyebrow { letter-spacing: 0; text-transform: none; font-size: .9rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 700; font-family: inherit; font-size: 1rem;
  padding: 14px 26px; border-radius: 14px; border: 0; cursor: pointer;
  transition: transform .25s, box-shadow .25s, filter .25s;
  position: relative; overflow: hidden; white-space: nowrap;
}
.btn svg { width: 20px; height: 20px; fill: currentColor; flex-shrink: 0; }
.btn:hover { transform: translateY(-3px); }
.btn::after { /* shine sweep */
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.45) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .7s;
}
.btn:hover::after { transform: translateX(120%); }
.btn-primary { background: var(--grad); color: #0a0f1f; box-shadow: 0 10px 30px rgba(255, 214, 10, .3); }
.btn-primary:hover { box-shadow: 0 14px 40px rgba(255, 214, 10, .45); }
.btn-wa { background: var(--wa); color: #fff; box-shadow: 0 10px 30px rgba(37, 211, 102, .3); }
.btn-lg { padding: 17px 30px; font-size: 1.08rem; }
.btn-sm { padding: 9px 18px; font-size: .9rem; border-radius: 10px; }
.btn-block { width: 100%; }

/* ---------- Top bar & header ---------- */
.topbar { background: #060a16; font-size: .85rem; color: var(--muted); border-bottom: 1px solid var(--border); }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; gap: 12px; }
.topbar a { color: var(--yellow); font-weight: 600; }
.pulse-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--lime);
  margin-inline-end: 6px; vertical-align: middle; animation: pulse 1.6s infinite;
}
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(60,242,161,.7); } 100% { box-shadow: 0 0 0 10px rgba(60,242,161,0); } }

.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 15, 31, 0.6);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background .3s, border-color .3s;
}
.header.scrolled { background: rgba(10, 15, 31, 0.92); border-color: var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 20px; }

.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon svg { width: 44px; height: 44px; }
.logo-icon rect { fill: var(--yellow); }
.logo-icon .bolt { fill: var(--bg); }
.logo-icon { animation: glow 2.5s ease-in-out infinite; border-radius: 10px; }
@keyframes glow { 50% { filter: drop-shadow(0 0 10px rgba(255,214,10,.7)); } }
.logo-text { font-size: 1.5rem; font-weight: 800; line-height: 1.05; }
.logo-text b { color: var(--yellow); }
.logo-text small { display: block; font-size: .68rem; font-weight: 500; color: var(--muted); letter-spacing: .04em; }

.nav { display: flex; gap: 28px; align-items: center; }
.nav a { font-weight: 500; color: var(--muted); position: relative; transition: color .2s; }
.nav a:hover { color: var(--text); }
.nav a:not(.lang-switch)::after {
  content: ""; position: absolute; inset-inline-start: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--grad); transition: width .3s;
}
.nav a:hover::after { width: 100%; }
.lang-switch { border: 1px solid var(--border); padding: 6px 14px; border-radius: 99px; color: var(--text) !important; }
.lang-switch:hover { border-color: var(--yellow); }
.header-cta { display: flex; align-items: center; gap: 12px; }

.menu-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; flex-direction: column; justify-content: center; gap: 6px; }
.menu-toggle span { display: block; height: 2px; width: 26px; background: var(--text); border-radius: 2px; transition: .3s; margin-inline: auto; }
.menu-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow-x: clip; min-height: calc(100vh - 110px); display: flex; align-items: center; overflow: hidden; padding: 70px 0 90px; }
.hero-bg { position: absolute; inset: 0; z-index: -2; background: linear-gradient(135deg, #111a36, #0a0f1f); }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .32; animation: kenburns 22s ease-in-out infinite alternate; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,15,31,.96) 20%, rgba(10,15,31,.55) 70%, rgba(10,15,31,.85)),
              linear-gradient(0deg, var(--bg) 0%, transparent 35%);
}
[dir="rtl"] .hero-bg::after {
  background: linear-gradient(270deg, rgba(10,15,31,.96) 20%, rgba(10,15,31,.55) 70%, rgba(10,15,31,.85)),
              linear-gradient(0deg, var(--bg) 0%, transparent 35%);
}
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.12) translate(-2%, -1%); } }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); z-index: -1; animation: drift 12s ease-in-out infinite alternate; }
.hero-glow.g1 { width: 420px; height: 420px; background: rgba(255,214,10,.18); top: -80px; inset-inline-end: 5%; }
.hero-glow.g2 { width: 380px; height: 380px; background: rgba(61,139,255,.22); bottom: -120px; inset-inline-start: -60px; animation-delay: -6s; }
@keyframes drift { to { transform: translate(60px, 40px) scale(1.15); } }
#sparks { position: absolute; inset: 0; z-index: -1; pointer-events: none; }

.hero-inner { display: grid; grid-template-columns: 1.25fr .9fr; gap: 50px; align-items: center; }
.hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); line-height: 1.15; font-weight: 800; margin-bottom: 20px; }
[dir="rtl"] .hero h1 { line-height: 1.35; }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 560px; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.hero-actions.center { justify-content: center; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-badges li {
  background: var(--surface); border: 1px solid var(--border); border-radius: 99px;
  padding: 7px 16px; font-size: .9rem; color: var(--muted);
}
.hero-badges b { color: var(--text); }

/* animated car battery */
.hero-visual { position: relative; display: flex; justify-content: center; padding: 60px 30px 30px; }
.car-battery { position: relative; width: 330px; animation: float 5s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-16px); } }
.cb-handle {
  position: absolute; top: -34px; left: 50%; transform: translateX(-50%);
  width: 130px; height: 46px; border: 7px solid #2a3556; border-bottom: 0; border-radius: 30px 30px 0 0;
}
.cb-terminal { position: absolute; top: -26px; width: 44px; height: 30px; display: grid; place-items: center; }
.cb-terminal::before { content: ""; position: absolute; bottom: 0; width: 44px; height: 12px; border-radius: 4px; background: #1c2440; }
.cb-terminal::after { content: ""; position: absolute; bottom: 10px; width: 26px; height: 20px; border-radius: 6px 6px 3px 3px; background: linear-gradient(90deg, #8d97ad, #e5e9f2, #8d97ad); }
.cb-terminal span { position: absolute; top: -32px; font-size: 1.6rem; font-weight: 800; line-height: 1; }
.cb-terminal.pos { inset-inline-start: 34px; }
.cb-terminal.neg { inset-inline-end: 34px; }
[dir="rtl"] .cb-terminal.pos { inset-inline-start: auto; left: 34px; }
[dir="rtl"] .cb-terminal.neg { inset-inline-end: auto; right: 34px; }
.cb-terminal.pos span { color: #ff4d5e; text-shadow: 0 0 12px rgba(255,77,94,.8); }
.cb-terminal.neg span { color: #7fb3ff; text-shadow: 0 0 12px rgba(61,139,255,.8); }
.cb-terminal.pos::before { background: #c8283a; box-shadow: 0 0 16px rgba(255,77,94,.6); }
.cb-lid {
  position: relative; height: 34px; border-radius: 14px 14px 4px 4px;
  background: linear-gradient(180deg, #2f3b61, #1c2542); border: 3px solid #3b4870; border-bottom: 0;
  display: flex; justify-content: center; align-items: center; gap: 14px;
}
.cb-lid i { width: 18px; height: 8px; border-radius: 4px; background: #121a33; box-shadow: inset 0 1px 2px rgba(0,0,0,.7); }
.cb-body {
  position: relative; height: 230px; border-radius: 4px 4px 22px 22px; overflow: hidden;
  border: 3px solid #3b4870; border-top: 0;
  background: linear-gradient(180deg, #161f3c, #0d142b);
  box-shadow: 0 0 70px rgba(60,242,161,.22), inset 0 0 30px rgba(0,0,0,.55);
}
.cb-fill {
  position: absolute; inset-inline: 0; bottom: 0; height: 0;
  background: linear-gradient(0deg, rgba(60,242,161,.55), rgba(255,214,10,.35));
  animation: charge 4.5s ease-in-out infinite;
}
.cb-fill::before {
  content: ""; position: absolute; top: -10px; left: -50%; width: 200%; height: 20px;
  background: radial-gradient(circle at 10px 10px, rgba(255,214,10,.55) 10px, transparent 11px) 0 0 / 30px 20px;
  animation: wave 1.2s linear infinite;
}
@keyframes wave { to { transform: translateX(30px); } }
@keyframes charge { 0% { height: 4%; } 70%, 100% { height: 100%; } }
.cb-label {
  position: absolute; z-index: 2; left: 22px; right: 22px; top: 34px; height: 104px;
  border-radius: 14px; background: rgba(10,15,31,.78); border: 1px solid rgba(255,214,10,.35);
  display: flex; align-items: center; justify-content: center; gap: 14px; direction: ltr;
  backdrop-filter: blur(4px);
}
.cb-bolt { width: 56px; height: 56px; fill: var(--yellow); filter: drop-shadow(0 0 12px rgba(255,214,10,.9)); animation: boltFlash 1.5s infinite; }
@keyframes boltFlash { 0%, 100% { opacity: 1; } 50% { opacity: .5; } }
.cb-brand { font-family: "Poppins", sans-serif; font-size: 1.9rem; font-weight: 800; line-height: 1; color: #fff; letter-spacing: .04em; }
.cb-brand b { color: var(--yellow); }
.cb-brand small { display: block; margin-top: 8px; font-size: .72rem; font-weight: 600; color: var(--muted); letter-spacing: .06em; }
.cb-meter { position: absolute; z-index: 2; left: 22px; right: 22px; bottom: 26px; display: flex; gap: 8px; direction: ltr; }
.cb-meter span { flex: 1; height: 14px; border-radius: 4px; background: rgba(255,255,255,.08); animation: seg 4.5s infinite; }
.cb-meter span:nth-child(1) { animation-delay: 0s; }
.cb-meter span:nth-child(2) { animation-name: seg2; }
.cb-meter span:nth-child(3) { animation-name: seg3; }
.cb-meter span:nth-child(4) { animation-name: seg4; }
.cb-meter span:nth-child(5) { animation-name: seg5; }
@keyframes seg  { 0%, 2%  { background: rgba(255,255,255,.08); } 6%, 100%  { background: #ff4d5e; box-shadow: 0 0 10px #ff4d5e; } }
@keyframes seg2 { 0%, 16% { background: rgba(255,255,255,.08); } 20%, 100% { background: #ffa53d; box-shadow: 0 0 10px #ffa53d; } }
@keyframes seg3 { 0%, 30% { background: rgba(255,255,255,.08); } 34%, 100% { background: var(--yellow); box-shadow: 0 0 10px var(--yellow); } }
@keyframes seg4 { 0%, 46% { background: rgba(255,255,255,.08); } 50%, 100% { background: #a6f25a; box-shadow: 0 0 10px #a6f25a; } }
@keyframes seg5 { 0%, 62% { background: rgba(255,255,255,.08); } 66%, 100% { background: var(--lime); box-shadow: 0 0 10px var(--lime); } }
.cb-spark { position: absolute; top: -40px; width: 6px; height: 6px; border-radius: 50%; background: #fff; box-shadow: 0 0 12px 4px var(--yellow); opacity: 0; animation: spark 2.2s infinite; }
.cb-spark.s1 { left: 50px; }
.cb-spark.s2 { right: 50px; animation-delay: 1.1s; box-shadow: 0 0 12px 4px var(--blue); }
@keyframes spark { 0% { opacity: 0; transform: scale(.4); } 10% { opacity: 1; transform: scale(1.6) translateY(-6px); } 25%, 100% { opacity: 0; transform: scale(.4) translateY(-14px); } }
.battery-label { text-align: center; margin-top: 16px; font-size: 1.6rem; font-weight: 800; color: var(--lime); direction: ltr; }

.float-card {
  position: absolute; display: flex; align-items: center; gap: 12px;
  background: rgba(15, 23, 48, .85); border: 1px solid var(--border); backdrop-filter: blur(10px);
  padding: 12px 16px; border-radius: 14px; box-shadow: var(--shadow);
  animation: float 6s ease-in-out infinite;
}
.float-card span { font-size: 1.6rem; }
.float-card b { display: block; font-size: .92rem; }
.float-card small { color: var(--muted); font-size: .78rem; }
.fc1 { top: 46%; inset-inline-start: -40px; }
.fc2 { bottom: 10%; inset-inline-end: -10px; animation-delay: -3s; }

.scroll-hint { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); width: 26px; height: 42px; border: 2px solid var(--muted); border-radius: 20px; }
.scroll-hint span { position: absolute; top: 8px; left: 50%; width: 4px; height: 8px; margin-left: -2px; background: var(--yellow); border-radius: 2px; animation: scrollDot 1.8s infinite; }
@keyframes scrollDot { to { transform: translateY(16px); opacity: 0; } }

/* ---------- Brands marquee ---------- */
.brands { border-block: 1px solid var(--border); background: rgba(255,255,255,.02); padding: 22px 0; overflow: hidden; }
.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 70px; width: max-content; animation: marquee 28s linear infinite; }
.marquee-track span { font-size: 1.35rem; font-weight: 800; letter-spacing: .12em; color: rgba(255,255,255,.35); font-family: "Poppins", sans-serif; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: 100px 0; position: relative; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head h2, .split-text h2, .quote-text h2, .final-cta h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); line-height: 1.25; margin-bottom: 14px; font-weight: 800; }
.section-head p { color: var(--muted); font-size: 1.05rem; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  position: relative; padding: 32px 28px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
  transition: transform .35s, border-color .35s, background .35s; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .35s;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(255,214,10,.12), transparent 50%);
}
.card:hover { transform: translateY(-8px); border-color: rgba(255,214,10,.4); background: var(--surface-2); }
.card:hover::before { opacity: 1; }
.card-icon {
  width: 60px; height: 60px; display: grid; place-items: center; font-size: 1.8rem;
  border-radius: 16px; background: rgba(255,214,10,.12); border: 1px solid rgba(255,214,10,.25); margin-bottom: 20px;
  transition: transform .4s;
}
.card:hover .card-icon { transform: rotate(-8deg) scale(1.1); }
.card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .97rem; }

/* stats */
.stats { padding: 50px 0; background: linear-gradient(120deg, rgba(255,214,10,.08), rgba(60,242,161,.06)); border-block: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat b { display: block; font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1.1; }
.stat span { color: var(--muted); font-size: .95rem; }

/* split layouts */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media { position: relative; border-radius: 24px; overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4/3.4; background: linear-gradient(135deg, #1a2547, #0f1730); }
.split-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s; }
.split-media:hover img { transform: scale(1.06); }
.split-media::after { content: ""; position: absolute; inset: 0; border-radius: 24px; border: 1px solid rgba(255,255,255,.12); pointer-events: none; }
.media-tag { position: absolute; bottom: 18px; inset-inline-start: 18px; background: var(--grad); color: #0a0f1f; font-weight: 700; padding: 9px 16px; border-radius: 12px; }
.split-text .btn { margin-top: 10px; }

.steps { margin: 26px 0; display: grid; gap: 20px; }
.steps li { display: flex; gap: 18px; align-items: flex-start; padding: 18px; border-radius: 16px; background: var(--surface); border: 1px solid var(--border); transition: border-color .3s; }
.steps li:hover { border-color: rgba(60,242,161,.45); }
.step-no { flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px; background: var(--grad); color: #0a0f1f; font-weight: 800; font-size: 1.2rem; display: grid; place-items: center; }
.steps h3 { font-size: 1.1rem; margin-bottom: 4px; }
.steps p { color: var(--muted); font-size: .95rem; }

.checks { display: grid; gap: 14px; margin-top: 24px; }
.checks li { position: relative; padding-inline-start: 38px; color: var(--muted); }
.checks li b { color: var(--text); }
.checks li::before {
  content: "✓"; position: absolute; inset-inline-start: 0; top: 2px; width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center; font-size: .85rem; font-weight: 800; background: rgba(60,242,161,.15); color: var(--lime);
}

/* areas */
.areas { overflow: hidden; }
.areas-bg { position: absolute; inset: 0; z-index: -1; }
.areas-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .18; }
.areas-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, var(--bg), rgba(10,15,31,.7) 40%, var(--bg)); }
.area-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.area-list li {
  padding: 14px 18px; border-radius: 12px; background: rgba(15,23,48,.75); border: 1px solid var(--border);
  font-weight: 500; display: flex; align-items: center; gap: 10px; transition: .3s;
}
.area-list li::before { content: "📍"; }
.area-list li:hover { border-color: var(--yellow); transform: translateY(-3px); }

/* quote form */
.quote-box {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
  padding: 48px; border-radius: 28px;
  background: linear-gradient(135deg, rgba(255,214,10,.1), rgba(61,139,255,.1));
  border: 1px solid rgba(255,214,10,.25); box-shadow: var(--shadow);
}
.quote-text p { color: var(--muted); }
.quote-form { display: grid; gap: 14px; }
.quote-form label { display: grid; gap: 6px; font-size: .9rem; font-weight: 600; }
.quote-form input, .quote-form select {
  font: inherit; font-weight: 400; padding: 13px 16px; border-radius: 12px;
  background: rgba(10,15,31,.7); color: var(--text); border: 1px solid var(--border); transition: border-color .2s, box-shadow .2s;
}
.quote-form select option { background: #0f1730; color: var(--text); }
.quote-form input::placeholder { color: #6b7699; }
.quote-form input:focus, .quote-form select:focus { outline: none; border-color: var(--yellow); box-shadow: 0 0 0 3px rgba(255,214,10,.2); }

/* FAQ */
.faq { display: grid; gap: 14px; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 4px 22px; transition: border-color .3s; }
.faq details[open] { border-color: rgba(255,214,10,.4); }
.faq summary { cursor: pointer; padding: 16px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--yellow); font-size: 1.4rem; line-height: 1; transition: transform .3s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { color: var(--muted); padding-bottom: 18px; }

/* final CTA */
.final-cta { padding: 90px 0; text-align: center; position: relative; overflow: hidden; }
.final-cta::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: conic-gradient(from 0deg at 50% 50%, rgba(255,214,10,.15), rgba(60,242,161,.12), rgba(61,139,255,.15), rgba(255,214,10,.15));
  filter: blur(60px); animation: spin 18s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.final-cta p { color: var(--muted); margin-bottom: 28px; font-size: 1.1rem; }

/* footer */
.footer { background: #060a16; border-top: 1px solid var(--border); padding: 60px 0 100px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.footer p { color: var(--muted); margin-top: 10px; }
.footer h4 { margin-bottom: 6px; }
.footer a:hover { color: var(--yellow); }
.copy { text-align: center; margin-top: 40px; font-size: .85rem; color: var(--muted); }

/* floating WhatsApp */
.float-wa {
  position: fixed; bottom: 26px; inset-inline-end: 26px; z-index: 60;
  width: 62px; height: 62px; border-radius: 50%; background: var(--wa); display: grid; place-items: center;
  box-shadow: 0 10px 30px rgba(37,211,102,.5); animation: waPulse 2s infinite;
}
.float-wa svg { width: 34px; height: 34px; fill: #fff; }
@keyframes waPulse { 0% { box-shadow: 0 0 0 0 rgba(37,211,102,.6); } 100% { box-shadow: 0 0 0 18px rgba(37,211,102,0); } }

/* mobile sticky call bar */
.mobile-bar { display: none; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-inner, .split, .quote-box { grid-template-columns: 1fr; }
  .hero-visual { order: -1; transform: scale(.85); margin: -10px 0 -30px; }
  .split.reverse .split-media { order: 0; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .quote-box { padding: 32px 24px; }
}
@media (max-width: 860px) {
  .menu-toggle { display: flex; }
  .nav {
    position: fixed; top: 0; inset-inline-end: 0; height: 100vh; width: min(300px, 80vw);
    flex-direction: column; align-items: flex-start; padding: 100px 30px; gap: 22px;
    background: rgba(10,15,31,.98); border-inline-start: 1px solid var(--border);
    transform: translateX(100%); transition: transform .4s cubic-bezier(.2,.7,.2,1), visibility .4s; z-index: -1; visibility: hidden;
  }
  [dir="rtl"] .nav { transform: translateX(-100%); }
  .nav.open { transform: translateX(0) !important; visibility: visible; }
  .nav a { font-size: 1.15rem; }
}
@media (max-width: 640px) {
  .topbar-inner > span { display: none; }
  .topbar-inner { justify-content: center; }
  .section { padding: 70px 0; }
  .cards { grid-template-columns: 1fr; }
  .hero { padding: 40px 0 70px; min-height: auto; }
  .hero-actions .btn { flex: 1 1 100%; }
  .header-cta .btn { display: none; }
  .footer-inner { grid-template-columns: 1fr; }
  .float-wa { display: none; }
  .scroll-hint { display: none; }
  .mobile-bar {
    display: grid; grid-template-columns: 1fr 1fr; gap: 10px; position: fixed; inset-inline: 0; bottom: 0; z-index: 70;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    background: rgba(6, 10, 22, .94); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid var(--border); box-shadow: 0 -10px 30px rgba(0,0,0,.5);
  }
  .mobile-bar a { padding: 13px; text-align: center; font-weight: 700; border-radius: 12px; background: var(--grad); color: #0a0f1f; }
  .mobile-bar a.wa { background: var(--wa); color: #fff; }
  body { background: var(--bg); }
  .header { background: rgba(10, 15, 31, .95); }
  .hero-visual { transform: none; margin: 0; padding: 46px 0 6px; }
  .car-battery { width: 270px; }
  .cb-body { height: 180px; }
  .cb-label { top: 24px; height: 84px; left: 16px; right: 16px; }
  .cb-brand { font-size: 1.5rem; }
  .cb-bolt { width: 42px; height: 42px; }
  .cb-meter { bottom: 20px; left: 16px; right: 16px; }
  .cb-terminal.pos { inset-inline-start: 26px; } .cb-terminal.neg { inset-inline-end: 26px; }
  [dir="rtl"] .cb-terminal.pos { left: 26px; } [dir="rtl"] .cb-terminal.neg { right: 26px; }
  .cb-handle { width: 104px; }
  .battery-label { font-size: 1.3rem; margin-top: 10px; }
  .float-card { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .cb-fill { height: 85%; }
  .cb-meter span { background: var(--lime) !important; }
}