:root {
  --bg: #0b1220;
  --card: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.09);
  --txt: #e8ecf4;
  --muted: #93a0b8;
  --brand: #f2643b;
  --brand2: #ff8a5c;
  --green: #3ddc97;
  --red: #ff5d6c;
  --radius: 16px;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.45);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--txt);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

.bg-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 30%, transparent 75%);
}

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(11, 18, 32, 0.78);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-inner {
  max-width: 1180px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--txt); }
.brand-logo { width: 42px; height: 42px; border-radius: 12px; object-fit: cover; border: 1px solid var(--card-border); }
.brand-name { font-size: 15px; letter-spacing: 0.18em; color: var(--muted); }
.brand-name b { color: var(--txt); font-weight: 800; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14.5px; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--txt); }
.orders-btn {
  background: rgba(242,100,59,0.12); border: 1px solid rgba(242,100,59,0.45);
  color: var(--brand2); font-weight: 600; font-size: 14px;
  padding: 9px 18px; border-radius: 999px; cursor: pointer; position: relative;
  font-family: inherit; transition: background .2s, transform .2s;
}
.orders-btn:hover { background: rgba(242,100,59,0.22); transform: translateY(-1px); }
.orders-btn .badge {
  position: absolute; top: -6px; right: -8px; min-width: 20px; height: 20px;
  background: var(--brand); color: #fff; border-radius: 999px;
  font-size: 11px; font-weight: 800; display: flex; align-items: center; justify-content: center;
  padding: 0 5px; box-shadow: 0 4px 12px rgba(242,100,59,0.5);
}
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; padding: 6px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--txt); border-radius: 2px; }

/* ---------- ORDER BOX (top) ---------- */
.order-section { padding: 40px 24px 10px; }
.order-box {
  max-width: 860px; margin: 0 auto;
  background: linear-gradient(160deg, rgba(242,100,59,0.10), rgba(255,255,255,0.03));
  border: 1px solid rgba(242,100,59,0.35);
  border-radius: 22px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  padding: 28px;
}
.order-head { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; margin-bottom: 22px; }
.order-head h1 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; letter-spacing: -0.02em; }
.grad {
  background: linear-gradient(92deg, var(--brand) 0%, var(--brand2) 55%, #ffbe9d 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.order-sub { color: var(--muted); margin-top: 6px; font-size: 14.5px; }
.order-price { text-align: right; }
.order-price b { display: block; font-size: 26px; font-weight: 800; color: var(--brand2); }
.order-price b.soon { font-size: 17px; color: var(--muted); font-weight: 700; }
.order-price span { font-size: 12px; color: var(--muted); }

.f-group { margin-bottom: 16px; }
.f-group label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 7px; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
input[type="text"], input[type="tel"], input[type="password"], textarea, select {
  width: 100%; padding: 12px 14px; border-radius: 11px;
  background: rgba(255,255,255,0.06); border: 1px solid var(--card-border);
  color: var(--txt); font-size: 15px; font-family: inherit; outline: none;
  transition: border-color .2s, background .2s;
}
input:focus, textarea:focus, select:focus { border-color: rgba(242,100,59,0.65); background: rgba(255,255,255,0.08); }
input::placeholder, textarea::placeholder { color: #5d6b84; }
select option { background: #0e1626; color: var(--txt); }
input[type="number"] { -moz-appearance: textfield; }

.stepper { display: flex; align-items: stretch; gap: 0; border: 1px solid var(--card-border); border-radius: 11px; overflow: hidden; width: fit-content; }
.stepper button {
  width: 44px; background: rgba(242,100,59,0.15); color: var(--brand2);
  border: 0; font-size: 20px; font-weight: 800; cursor: pointer; font-family: inherit;
  transition: background .2s;
}
.stepper button:hover { background: rgba(242,100,59,0.3); }
.stepper input { width: 64px; text-align: center; border: 0; border-radius: 0; background: rgba(255,255,255,0.04); font-weight: 700; font-size: 16px; }

.pay-options { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.pay-opt {
  display: flex; gap: 12px; align-items: flex-start;
  border: 1px solid var(--card-border); border-radius: 12px; padding: 14px;
  cursor: pointer; background: rgba(255,255,255,0.03);
  transition: border-color .2s, background .2s;
}
.pay-opt:has(input:checked) { border-color: rgba(242,100,59,0.55); background: rgba(242,100,59,0.08); }
.pay-opt input { accent-color: var(--brand); width: 18px; height: 18px; margin-top: 3px; }
.pay-opt b { font-size: 14.5px; }
.pay-opt small { color: var(--muted); font-size: 12px; }
.advance-note { margin-top: 12px; }

.btn {
  display: inline-block; padding: 14px 28px; border-radius: 12px;
  text-decoration: none; font-weight: 600; font-size: 15px; border: none; cursor: pointer;
  font-family: inherit; transition: transform .2s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 14px 34px rgba(242,100,59,0.35); }
.btn-primary:hover { background: var(--brand2); }
.btn-ghost { background: rgba(255,255,255,0.05); color: var(--txt); border: 1px solid var(--card-border); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); }
.btn-block { width: 100%; margin-top: 6px; padding: 16px; font-size: 16px; }
.form-msg { margin-top: 12px; font-size: 14px; min-height: 20px; }
.form-msg.ok { color: var(--green); }
.form-msg.err { color: var(--red); }

/* ---------- gallery / overview ---------- */
.section { padding: 80px 24px; }
.section.alt { background: rgba(255,255,255,0.018); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 46px; }
.kicker { display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--brand2); margin-bottom: 12px; }
.section-head h2, .overview h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.2; }

#overview .section-head { display: none; }
#overview { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; max-width: 1100px; margin: 0 auto; }
.gallery .g-main { width: 100%; aspect-ratio: 1.25; object-fit: cover; border-radius: 18px; border: 1px solid var(--card-border); }
.g-thumbs { display: flex; gap: 10px; margin-top: 12px; }
.g-thumb { width: 84px; height: 68px; object-fit: cover; border-radius: 10px; border: 2px solid transparent; cursor: pointer; opacity: 0.65; transition: all .2s; }
.g-thumb.on { border-color: var(--brand); opacity: 1; }
.overview p { color: var(--muted); margin: 16px 0; font-size: 15.5px; }
.tick-list { list-style: none; margin: 8px 0 20px; }
.tick-list li { position: relative; padding: 7px 0 7px 28px; color: var(--txt); font-size: 15px; }
.tick-list li::before {
  content: "✓"; position: absolute; left: 0; top: 7px; width: 18px; height: 18px;
  border-radius: 50%; background: rgba(61,220,151,0.16); color: var(--green);
  font-size: 11px; font-weight: 800; display: flex; align-items: center; justify-content: center;
}
.note { font-size: 13px !important; }

.cards { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
  padding: 30px 26px; transition: transform .25s, border-color .25s;
}
.card:hover { transform: translateY(-6px); border-color: rgba(242,100,59,0.45); }
.card h3 { font-size: 18px; margin: 16px 0 8px; }
.card p { color: var(--muted); font-size: 14.5px; }
.card-ico { width: 46px; height: 46px; border-radius: 13px; background: rgba(242,100,59,0.12); border: 1px solid rgba(242,100,59,0.3); position: relative; }
.card-ico::before { content: ""; position: absolute; background: var(--brand); opacity: 0.85; }
.card-ico.heart::before { inset: 11px; border-radius: 50% 50% 50% 0; transform: rotate(45deg); }
.card-ico.heart::before { inset: 13px 13px 17px 13px; border-radius: 50% 50% 50% 0; transform: rotate(45deg); }
.card-ico.bell::before { inset: 10px 14px 12px 14px; border-radius: 50% 50% 20% 20%; }
.card-ico.battery::before { inset: 13px; border-radius: 4px; background: var(--green); filter: drop-shadow(0 0 6px rgba(61,220,151,0.8)); }
.card-ico.chip::before { inset: 12px; border-radius: 4px; background: var(--brand2); }
.card-ico.drop::before { inset: 12px 15px; border-radius: 50% 0 50% 0; transform: rotate(-45deg); }
.card-ico.truck::before { inset: 12px 13px; border-radius: 5px; background: linear-gradient(135deg, var(--brand), var(--brand2)); }

.steps { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 30px 26px; text-align: center; }
.step b {
  display: inline-flex; width: 44px; height: 44px; align-items: center; justify-content: center;
  border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--brand2));
  font-size: 18px; color: #fff; font-weight: 800;
}
.step h3 { margin: 16px 0 8px; font-size: 17px; }
.step p { color: var(--muted); font-size: 14px; }

.faq { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid rgba(255,255,255,0.08); }
.faq-q {
  width: 100%; background: none; border: 0; color: var(--txt); cursor: pointer;
  font-size: 16px; font-weight: 600; text-align: left;
  padding: 20px 40px 20px 4px; position: relative; font-family: inherit;
}
.plus { position: absolute; right: 6px; top: 50%; width: 18px; height: 18px; transform: translateY(-50%); transition: transform .25s; }
.plus::before, .plus::after { content: ""; position: absolute; background: var(--brand2); border-radius: 2px; }
.plus::before { left: 0; top: 8px; width: 18px; height: 2px; }
.plus::after { left: 8px; top: 0; width: 2px; height: 18px; }
.faq-item.open .plus { transform: translateY(-50%) rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a p { padding: 0 24px 20px 4px; color: var(--muted); font-size: 14.5px; }

/* ---------- sticky footer bar ---------- */
.footer-bar {
  position: sticky; bottom: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  max-width: 1180px; margin: 0 auto; padding: 12px 18px;
  background: rgba(14, 22, 38, 0.92); backdrop-filter: blur(12px);
  border: 1px solid var(--card-border); border-radius: 14px;
  transform: translateY(0); box-shadow: 0 -14px 40px rgba(0,0,0,0.35);
}
.footer-bar b { color: var(--brand2); }

.footer { border-top: 1px solid rgba(255,255,255,0.08); padding: 46px 24px 24px; background: rgba(0,0,0,0.25); margin-top: 30px; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 36px; }
.footer-inner b { letter-spacing: 0.18em; }
.footer-inner p { color: var(--muted); font-size: 13.5px; margin-top: 10px; max-width: 300px; }
.f-col { display: flex; flex-direction: column; gap: 10px; }
.f-col b { font-size: 14px; margin-bottom: 6px; }
.f-col a { color: var(--muted); text-decoration: none; font-size: 13.5px; }
.f-col a:hover { color: var(--brand2); }
.f-line { max-width: 1100px; margin: 30px auto 0; padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.07); color: var(--muted); font-size: 12.5px; text-align: center; }

/* ---------- orders modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100; background: rgba(6,10,18,0.85);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  backdrop-filter: blur(6px);
}
.modal {
  width: 100%; max-width: 860px; max-height: 88vh; overflow-y: auto;
  background: #0e1626; border: 1px solid var(--card-border); border-radius: 18px;
  box-shadow: var(--shadow);
}
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--card-border); position: sticky; top: 0; background: #0e1626; }
.modal-head h3 { font-size: 17px; }
.modal-x { background: none; border: 0; color: var(--muted); font-size: 18px; cursor: pointer; }
#ordersBody { padding: 20px 22px; }
.pin-row { display: flex; gap: 10px; max-width: 340px; }
.pin-row input { flex: 1; }
.order-table { width: 100%; border-collapse: collapse; margin-top: 6px; font-size: 13.5px; }
.order-table th { text-align: left; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; padding: 10px 8px; border-bottom: 1px solid var(--card-border); }
.order-table td { padding: 11px 8px; border-bottom: 1px solid rgba(255,255,255,0.05); vertical-align: top; }
.order-table tr:hover td { background: rgba(255,255,255,0.02); }
.o-status { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 700; text-transform: capitalize; }
.o-status.new { background: rgba(242,100,59,0.15); color: var(--brand2); }
.o-status.confirmed { background: rgba(61,220,151,0.14); color: var(--green); }
.o-status.delivered { background: rgba(255,209,102,0.14); color: #ffd166; }
.o-status.cancelled { background: rgba(255,93,108,0.14); color: var(--red); }
.o-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.o-actions button {
  background: rgba(255,255,255,0.07); border: 1px solid var(--card-border); color: var(--txt);
  border-radius: 8px; padding: 5px 10px; font-size: 12px; cursor: pointer; font-family: inherit;
  transition: background .2s;
}
.o-actions button:hover { background: rgba(255,255,255,0.14); }
.o-actions button.danger:hover { background: rgba(255,93,108,0.2); border-color: rgba(255,93,108,0.5); }
.o-new { color: var(--brand2); font-weight: 700; }
.o-muted { color: var(--muted); font-size: 12px; }
.orders-empty { color: var(--muted); text-align: center; padding: 30px 0; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .55s ease, transform .55s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- HERO ---------- */
.hero {
  max-width: 1180px; margin: 0 auto; padding: 56px 24px 32px;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: center;
}
.hero-media { border-radius: 22px; overflow: hidden; border: 1px solid var(--card-border); box-shadow: var(--shadow); }
.hero-media img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.hero-copy .lead { color: var(--muted); font-size: 16.5px; margin-bottom: 22px; }
.hero-copy h1 { font-size: clamp(30px, 5vw, 46px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.12; margin: 10px 0 14px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-lg { padding: 14px 28px; font-size: 15.5px; }
.hero-cta .btn-primary { flex: 1; min-width: 160px; }
.trust { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 22px; color: var(--muted); font-size: 13.5px; }
.trust span::before { content: "✓ "; color: var(--green); font-weight: 800; }

/* ---------- GALLERY section ---------- */
.gallery-wrap { max-width: 1100px; margin: 0 auto; padding: 30px 24px 60px; }
.gallery-wrap .gallery { max-width: 720px; margin: 0 auto; }
.gallery-wrap .g-main { aspect-ratio: 1.25; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 30px; }
}
@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0; padding: 10px 24px 20px;
    background: rgba(11,18,32,0.97); border-bottom: 1px solid var(--card-border);
  }
  .nav-links.open { display: flex; }
  .nav-links a, .nav-links .orders-btn { width: 100%; padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,0.06); text-align: left; border-radius: 0; background: none; border-left: 0; border-right: 0; border-top: 0; }
  #overview { grid-template-columns: 1fr; }
  .cards, .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .f-row, .pay-options, .cards, .steps, .footer-inner { grid-template-columns: 1fr; }
  .order-head { flex-direction: column; }
  .order-price { text-align: left; }
  .g-thumb { width: 72px; height: 60px; }
  .section { padding: 60px 18px; }
  .order-box { padding: 20px; }
}