@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

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

:root {
  --bg:     #191919;
  --bg2:    #222222;
  --green:  #00ff88;
  --text:   #e4e4e4;
  --muted:  #737373;
  --line:   rgba(255,255,255,.1);
  --nav-bg: rgba(25,25,25,.92);
  --hs-bg:  rgba(25,25,25,.9);
  --mono:   'JetBrains Mono', monospace;
  --sans:   'Space Grotesk', sans-serif;
}

html.light {
  --bg:     #f5f2ee;
  --bg2:    #ede9e4;
  --green:  #00884d;
  --text:   #141414;
  --muted:  #6b6b6b;
  --line:   rgba(0,0,0,.1);
  --nav-bg: rgba(245,242,238,.92);
  --hs-bg:  rgba(245,242,238,.95);
}

html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--bg); color: var(--text); overflow-x: hidden; }

/* nav */

nav {
  position: fixed; top: 0; inset-inline: 0; height: 56px;
  display: flex; align-items: center; justify-content: space-between; padding: 0 40px;
  background: var(--nav-bg); border-bottom: 1px solid var(--line); z-index: 500;
}
.logo { font-family: var(--mono); color: var(--text); text-decoration: none; letter-spacing: .15em; }
.logo span { color: var(--green); }
nav ul { list-style: none; display: flex; gap: 2rem; align-items: center; }
nav a { font-size: .85rem; color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--text); }
.nav-cart { font-family: var(--mono); font-size: .75rem; color: var(--muted); border: 1px solid var(--line); padding: 4px 10px; }
#cart-n { color: var(--green); }
#theme-btn { font-size: .85rem; background: none; border: 1px solid var(--line); color: var(--muted); cursor: pointer; padding: 4px 8px; }

/* hero */

#hero { position: relative; width: 100%; height: 100vh; overflow: hidden; }
#c3d  { position: absolute; inset: 0; display: block; cursor: crosshair; }
#c3d.pointer { cursor: pointer; }

#overlay {
  position: absolute; bottom: 60px; left: 48px;
  z-index: 10; pointer-events: none; opacity: 0; transition: opacity .6s;
}
#overlay.show { opacity: 1; }
#overlay.dim  { opacity: 0; }
#overlay h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); font-weight: 700; line-height: 1.05; margin-bottom: .6rem; }
#overlay h1 span { color: var(--green); }
#overlay p  { font-size: .88rem; color: var(--muted); max-width: 260px; line-height: 1.6; margin-bottom: 1.4rem; }

.btn-shop {
  pointer-events: all; display: inline-block;
  padding: 10px 22px; background: var(--green); color: #000;
  font-family: var(--sans); font-size: .8rem; font-weight: 700;
  text-transform: uppercase; text-decoration: none; border: none; cursor: pointer;
}
.btn-shop:hover { opacity: .85; }
.hint { font-family: var(--mono); font-size: .58rem; color: var(--muted); margin-top: 1rem; opacity: .6; }

/* hotspot labels */

#hs-layer { position: absolute; inset: 0; z-index: 20; pointer-events: none; }
.hs { position: absolute; transform: translate(-50%, -50%); opacity: 0; transition: opacity .35s; }
.hs.on { opacity: 1; }

.hs-dot {
  width: 8px; height: 8px; background: var(--green); border-radius: 50%;
  box-shadow: 0 0 8px var(--green);
}
.hs-dot::after {
  content: ''; position: absolute; inset: -3px; border-radius: 50%;
  border: 1px solid rgba(0,255,136,.4); animation: ping 1.8s ease-out infinite;
}
@keyframes ping {
  0%   { transform: scale(1); opacity: .5; }
  100% { transform: scale(2.5); opacity: 0; }
}
.hs-label {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  background: var(--hs-bg); border: 1px solid rgba(0,136,77,.25);
  padding: 3px 8px; white-space: nowrap;
  font-family: var(--mono); font-size: .6rem; color: var(--green); text-transform: uppercase;
}

/* side panel */

#panel {
  position: fixed; top: 0; right: -440px; width: 420px; height: 100%;
  background: var(--bg); border-left: 1px solid rgba(0,255,136,.12);
  padding: 70px 28px 36px; z-index: 300; overflow-y: auto;
  transition: right .45s cubic-bezier(.16,1,.3,1);
}
#panel.open { right: 0; }

#panel-close {
  position: absolute; top: 16px; right: 16px;
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  background: none; border: 1px solid var(--line); cursor: pointer; color: var(--muted);
}
#panel-close:hover { color: var(--text); }

.p-type  { font-family: var(--mono); font-size: .6rem; letter-spacing: .12em; text-transform: uppercase; color: var(--green); display: block; margin-bottom: .5rem; }
#p-name  { font-size: 1.5rem; font-weight: 700; margin-bottom: .3rem; }
#p-price { font-family: var(--mono); font-size: 1.2rem; color: var(--green); margin-bottom: 1rem; }
#p-desc  { font-size: .83rem; color: var(--muted); line-height: 1.8; margin-bottom: 1.5rem; }
.p-label { font-family: var(--mono); font-size: .57rem; text-transform: uppercase; color: var(--muted); margin-bottom: .5rem; letter-spacing: .12em; }

.specs { margin-bottom: 1.4rem; border-top: 1px solid var(--line); }
.spec-row { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px solid var(--line); }
.spec-row .k { font-size: .72rem; color: var(--muted); }
.spec-row .v { font-family: var(--mono); font-size: .7rem; }

.tags { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 1.8rem; }
.tag  { font-family: var(--mono); font-size: .58rem; padding: 3px 8px; border: 1px solid rgba(0,255,136,.2); color: var(--green); }

#btn-add {
  width: 100%; padding: 12px; background: var(--green); color: #000;
  font-family: var(--sans); font-size: .82rem; font-weight: 700;
  text-transform: uppercase; border: none; cursor: pointer;
}
#btn-add:hover { opacity: .85; }

/* about */

#about {
  padding: 90px 48px; background: var(--bg2);
  border-top: 1px solid var(--line);
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start;
}
.about-l h2   { font-size: clamp(1.5rem, 2.8vw, 2.2rem); font-weight: 700; line-height: 1.2; margin-bottom: 1rem; }
.about-l h2 em { font-style: normal; color: var(--green); }
.about-l p    { font-size: .88rem; color: var(--muted); line-height: 1.85; margin-bottom: .8rem; }
.about-r      { border-top: 2px solid var(--green); padding-top: 1.2rem; }
.about-r li   { list-style: none; padding: 12px 0; border-bottom: 1px solid var(--line); }
.about-r li b { display: block; font-size: .88rem; font-weight: 700; margin-bottom: .15rem; }
.about-r li span { font-size: .8rem; color: var(--muted); }

/* products */

#products { padding: 90px 48px; background: var(--bg); border-top: 1px solid var(--line); }
#products h2 { font-size: clamp(1.5rem, 2.8vw, 2.2rem); font-weight: 700; margin-bottom: 2rem; }
#products h2 span { color: var(--green); }

.prod-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1px; background: var(--line); border: 1px solid var(--line);
}
.card { background: var(--bg2); padding: 20px 22px; display: flex; flex-direction: column; }
.card:hover { filter: brightness(1.08); }
.card .cat   { font-family: var(--mono); font-size: .58rem; text-transform: uppercase; color: var(--muted); margin-bottom: .4rem; }
.card .name  { font-size: .95rem; font-weight: 700; margin-bottom: .35rem; }
.card .desc  { font-size: .77rem; color: var(--muted); line-height: 1.6; flex: 1; margin-bottom: 1rem; }
.card .foot  { display: flex; align-items: center; justify-content: space-between; }
.card .price { font-family: var(--mono); font-size: 1rem; }

.btn-buy {
  font-family: var(--mono); font-size: .68rem; padding: 6px 12px;
  background: transparent; border: 1px solid rgba(0,255,136,.22);
  color: var(--green); cursor: pointer;
}
.btn-buy:hover { background: var(--green); color: #000; border-color: var(--green); }



footer {
  padding: 26px 48px; background: var(--bg2); border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
}
footer ul  { list-style: none; display: flex; gap: 1.5rem; }
footer a   { font-family: var(--mono); font-size: .68rem; color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }
footer small { font-family: var(--mono); font-size: .62rem; color: var(--muted); opacity: .45; }



.prod-search {
  color: var(--text);
  background: var(--bg2);
  border: 1px solid var(--line);
  padding: 10px 14px;
  margin-bottom: 2rem;
  font-family: var(--mono);
  font-size: .78rem;
  width: 100%;
  max-width: 380px;
  outline: none;
  display: block;
}
.prod-search:focus { border-color: var(--green); }
.prod-search::placeholder { color: var(--muted); }



.prod-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-bottom: 1.6rem;
}
.prod-filter {
  font-family: var(--mono);
  font-size: .65rem;
  padding: 5px 13px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  cursor: pointer;
}
.prod-filter:hover { color: var(--text); border-color: var(--muted); }
.prod-filter.active { background: var(--green); color: #000; border-color: var(--green); }

/* category sections inside the products grid */

.prod-section { margin-bottom: 3.5rem; }
.prod-section:last-child { margin-bottom: 0; }

.prod-cat-heading {
  font-family: var(--mono);
  font-size: .62rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--muted);
  padding: .6rem 0 .9rem;
  border-top: 1px solid var(--line);
  margin-bottom: 0;
}
.prod-section:first-child .prod-cat-heading { border-top: none; padding-top: 0; }



.nav-auth {
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--muted) !important;
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 4px 10px;
}
.nav-auth:hover { color: var(--text) !important; border-color: var(--green); }

a.nav-cart { text-decoration: none; }
a.nav-cart:hover { color: var(--text); }

.nav-user {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
}
.nav-user:hover { color: var(--green); border-color: var(--green); }

/* login and signup page */

.auth-page {
  min-height: calc(100vh - 56px);
  margin-top: 56px;
  display: flex;
  align-items: stretch;
}

.auth-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
}

.auth-brand {
  background: var(--bg2);
  border-right: 1px solid var(--line);
  padding: 80px 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.auth-logo {
  font-size: 2rem;
  display: inline-block;
  margin-bottom: 1.6rem;
}

.auth-tagline {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 2.5rem;
  color: var(--text);
  max-width: 340px;
}

.auth-facts { list-style: none; border-top: 2px solid var(--green); padding-top: 1.2rem; }
.auth-facts li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  gap: .8rem;
}
.auth-fact-label {
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.auth-fact-val { font-size: .78rem; color: var(--muted); }

.auth-form-panel {
  padding: 80px 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--bg);
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2rem;
}
.auth-tab {
  font-family: var(--mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  padding: 10px 20px;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  position: relative;
}

.tab-radio { display: none; }

#tab-signin:checked ~ main #form-signup,
#tab-signup:checked ~ main #form-signin { display: none; }

#tab-signin:checked ~ main label[for="tab-signin"],
#tab-signup:checked ~ main label[for="tab-signup"] { color: var(--text); }

#tab-signin:checked ~ main label[for="tab-signin"]::after,
#tab-signup:checked ~ main label[for="tab-signup"]::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0; right: 0;
  height: 2px;
  background: var(--green);
}

.auth-form { display: flex; flex-direction: column; gap: 1.4rem; max-width: 380px; }

.auth-field { display: flex; flex-direction: column; gap: .4rem; }
.auth-field label {
  font-family: var(--mono);
  font-size: .6rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
}
.auth-field input {
  background: var(--bg2);
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--sans);
  font-size: .88rem;
  padding: 10px 14px;
  outline: none;
  width: 100%;
}
.auth-field input:focus { border-color: var(--green); }
.auth-field input::placeholder { color: var(--muted); }

.auth-forgot {
  display: block;
  font-family: var(--mono);
  font-size: .6rem;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-top: .3rem;
}
.auth-forgot:hover { color: var(--text); }

.btn-submit {
  padding: 12px 24px;
  background: var(--green);
  color: #000;
  font-family: var(--sans);
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  width: 100%;
  margin-top: .4rem;
}
.btn-submit:hover { opacity: .85; }
.btn-submit:disabled { opacity: .5; cursor: not-allowed; }

/* the forgot password popup modal */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 900;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal-box {
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 36px 40px;
  position: relative;
  width: 100%;
  max-width: 440px;
}
.modal-close {
  position: absolute;
  top: 14px; right: 14px;
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  background: none;
  border: 1px solid var(--line);
  color: var(--muted);
  cursor: pointer;
  font-size: .8rem;
}
.modal-close:hover { color: var(--text); }
.modal-label {
  font-family: var(--mono);
  font-size: .58rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--green);
  margin-bottom: .5rem;
}
.modal-title { font-size: 1.4rem; font-weight: 700; margin-bottom: .6rem; }
.modal-desc { font-size: .82rem; color: var(--muted); line-height: 1.6; margin-bottom: 1.6rem; }
.modal-form { display: flex; flex-direction: column; gap: 1.2rem; }

/* cart and checkout page */

.cart-page {
  margin-top: 56px;
  min-height: calc(100vh - 56px);
  padding: 64px 48px;
  background: var(--bg);
}

.cart-empty { max-width: 400px; margin: 80px auto; text-align: center; }
.cart-empty-label {
  font-family: var(--mono);
  font-size: .62rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--muted);
  margin-bottom: 1.2rem;
}
.cart-confirm-msg { font-size: .85rem; color: var(--muted); line-height: 1.7; margin-bottom: 1.6rem; }
.cart-empty .btn-shop { pointer-events: all; display: inline-block; }

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 4rem;
  align-items: start;
  max-width: 1100px;
}

.cart-heading { font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 700; margin-bottom: 2rem; }
.cart-heading span { color: var(--green); }

.cart-list { border-top: 1px solid var(--line); }

.cart-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 1.5rem;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.cart-item-cat {
  font-family: var(--mono);
  font-size: .55rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
  margin-bottom: .2rem;
}
.cart-item-name { font-size: .92rem; font-weight: 700; margin-bottom: .2rem; }
.cart-item-unit { font-family: var(--mono); font-size: .7rem; color: var(--muted); }

.cart-item-controls { display: flex; align-items: center; gap: .5rem; }
.qty-btn {
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  background: none;
  border: 1px solid var(--line);
  color: var(--text);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}
.qty-btn:hover { border-color: var(--green); color: var(--green); }
.qty-val { font-family: var(--mono); font-size: .8rem; min-width: 20px; text-align: center; }
.qty-remove {
  font-family: var(--mono);
  font-size: .58rem;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 0 0 0 .2rem;
}
.qty-remove:hover { color: var(--text); }

.cart-item-price { font-family: var(--mono); font-size: .95rem; text-align: right; }

.cart-static-note {
  font-family: var(--mono);
  font-size: .58rem;
  color: var(--muted);
  margin-top: 1.4rem;
  opacity: .6;
}

.cart-col--summary { position: sticky; top: 72px; }
.cart-summary {
  border: 1px solid var(--line);
  padding: 24px;
  margin-bottom: 1.5rem;
  background: var(--bg2);
}
.cart-summary-heading {
  font-family: var(--mono);
  font-size: .6rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted);
  margin-bottom: 1rem;
}
.cart-totals { border-top: 1px solid var(--line); }
.cart-total-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: .84rem;
}
.cart-total-row span:first-child { color: var(--muted); }
.cart-total-row span:last-child { font-family: var(--mono); }
.cart-total-row--total { padding-top: 12px; }
.cart-total-row--total span { font-weight: 700; font-size: .95rem; color: var(--text); }
.cart-total-row--total span:last-child { color: var(--green); }
.cart-shipping-note {
  font-family: var(--mono);
  font-size: .58rem;
  color: var(--muted);
  padding: 4px 0 8px;
  border-bottom: 1px solid var(--line);
}

.cart-payment { border: 1px solid var(--line); padding: 24px; background: var(--bg); }
.cart-payment-heading {
  font-family: var(--mono);
  font-size: .6rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted);
  margin-bottom: 1.4rem;
}
.payment-form { display: flex; flex-direction: column; gap: 1.2rem; }
.payment-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* contact page */

.contact-page {
  margin-top: 56px;
  padding: 64px 48px 80px;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}
.contact-page h1 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 700; margin-bottom: .5rem; }
.contact-page h1 span { color: var(--green); }
.contact-sub { font-size: .84rem; color: var(--muted); margin-bottom: 3rem; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  border: 1px solid var(--line);
  margin-bottom: 3.5rem;
}
.map-box iframe { display: block; width: 100%; height: 100%; min-height: 280px; border: none; }
.info-box { padding: 32px 36px; background: var(--bg2); display: flex; flex-direction: column; gap: 1.4rem; }
.info-label { font-family: var(--mono); font-size: .58rem; text-transform: uppercase; letter-spacing: .1em; color: var(--green); margin-bottom: .3rem; }
.info-val { font-size: .84rem; line-height: 1.6; }
.info-val a { color: var(--text); text-decoration: underline; text-underline-offset: 3px; }
.info-val a:hover { color: var(--green); }

.contact-form { max-width: 680px; }
.contact-form h2 { font-size: 1.2rem; font-weight: 700; margin-bottom: 1.8rem; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-bottom: 1.2rem; }
.cf-field { display: flex; flex-direction: column; gap: .45rem; margin-bottom: 1.2rem; }
.cf-field:last-of-type { margin-bottom: 0; }
.cf-field label { font-family: var(--mono); font-size: .6rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.cf-field input, .cf-field textarea {
  background: var(--bg2);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 13px;
  font-family: var(--mono);
  font-size: .8rem;
  outline: none;
  width: 100%;
  box-sizing: border-box;
}
.cf-field input:focus, .cf-field textarea:focus { border-color: var(--green); }
.cf-field textarea { min-height: 130px; resize: vertical; }
.btn-send {
  margin-top: 1.4rem;
  padding: 12px 28px;
  background: var(--green);
  color: #000;
  border: none;
  font-family: var(--mono);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  cursor: pointer;
}
.btn-send:hover { opacity: .85; }
.send-ok { display: none; margin-top: 1rem; font-family: var(--mono); font-size: .75rem; color: var(--green); }

@media (max-width: 720px) {
  .contact-page { padding: 40px 20px 60px; }
  .contact-grid { grid-template-columns: 1fr; }
  .cf-row { grid-template-columns: 1fr; }
}