:root {
--bg: #0f172a;
--panel: #ffffff;
--panel-alt: #f8fafc;
--text: #0f172a;
--muted: #475569;
--line: #dbe3ef;
--accent: #2563eb;
--accent-dark: #1d4ed8;
--success: #166534;
--warning: #92400e;
--danger: #b91c1c;
--shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

* {
box-sizing: border-box;
}

html {
scroll-behavior: smooth;
}

body {
margin: 0;
font-family: 'Inter', sans-serif;
color: var(--text);
background: #eef2f7;
}

a {
color: inherit;
text-decoration: none;
}

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

.container {
width: min(1180px, calc(100% - 32px));
margin: 0 auto;
}

.section {
padding: 72px 0;
}

.section.alt {
background: var(--panel-alt);
}

.eyebrow {
display: inline-block;
font-size: 0.8rem;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.08em;
color: var(--accent);
margin-bottom: 8px;
}

.topbar {
background: linear-gradient(135deg, #0f172a, #1e293b);
color: #fff;
padding: 22px 0;
border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav {
display: flex;
align-items: center;
justify-content: space-between;
gap: 18px;
}

.brand {
margin: 0;
font-size: 1.6rem;
}

.tagline {
margin: 6px 0 0;
color: rgba(255,255,255,0.78);
}

.main-nav {
display: flex;
flex-wrap: wrap;
gap: 18px;
font-weight: 600;
}

.main-nav a {
color: rgba(255,255,255,0.92);
}

.main-nav a:hover {
color: #fff;
}

.hero {
background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
color: #fff;
padding: 64px 0 84px;
}

.hero-grid {
display: grid;
grid-template-columns: 1.3fr 0.9fr;
gap: 28px;
align-items: center;
}

.hero h2 {
margin: 0 0 16px;
font-size: clamp(2rem, 4vw, 3.4rem);
line-height: 1.05;
}

.hero p {
color: rgba(255,255,255,0.84);
font-size: 1.05rem;
max-width: 700px;
}

.hero-card {
background: rgba(255,255,255,0.08);
border: 1px solid rgba(255,255,255,0.14);
border-radius: 20px;
padding: 24px;
backdrop-filter: blur(8px);
}

.hero-card ul {
padding-left: 18px;
margin-bottom: 0;
}

.hero-actions {
display: flex;
flex-wrap: wrap;
gap: 12px;
margin-top: 24px;
}

.btn {
border: 0;
border-radius: 12px;
padding: 12px 18px;
font-weight: 700;
cursor: pointer;
transition: 0.2s ease;
display: inline-flex;
align-items: center;
justify-content: center;
}

.btn.primary {
background: var(--accent);
color: #fff;
}

.btn.primary:hover {
background: var(--accent-dark);
}

.btn.secondary {
background: #fff;
color: var(--text);
}

.btn.ghost {
background: transparent;
border: 1px solid var(--line);
color: var(--text);
}

.btn.small {
padding: 10px 14px;
font-size: 0.92rem;
}

.section-head,
.inventory-head {
display: flex;
justify-content: space-between;
gap: 20px;
align-items: end;
margin-bottom: 24px;
}

.section h2 {
margin: 0;
font-size: 2rem;
}

.category-subtext {
color: var(--muted);
margin-top: 8px;
margin-bottom: 0;
}

.cards {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 18px;
}

.card {
background: var(--panel);
border: 1px solid var(--line);
border-radius: 18px;
padding: 22px;
box-shadow: var(--shadow);
}

.card p {
color: var(--muted);
}

.product-lines .card {
padding: 0;
overflow: hidden;
}

.category-card {
display: block;
transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.category-card:hover {
transform: translateY(-3px);
}

.category-image {
width: 100%;
height: 190px;
object-fit: cover;
border-bottom: 1px solid var(--line);
background: #e5e7eb;
}

.category-card-body {
padding: 20px;
}

.inventory-tools {
display: flex;
gap: 12px;
flex-wrap: wrap;
}

.inventory-tools input,
.inventory-tools select,
.quote-form input,
.quote-form textarea {
width: 100%;
border: 1px solid #cbd5e1;
border-radius: 12px;
padding: 13px 14px;
font: inherit;
background: #fff;
}

.inventory-tools input {
min-width: 320px;
}

.inventory-tools select {
min-width: 220px;
}

.inventory-grid {
grid-template-columns: repeat(3, minmax(0, 1fr));
}

.inventory-card {
display: flex;
flex-direction: column;
gap: 14px;
padding: 0;
overflow: hidden;
}

.product-image {
width: 100%;
height: 220px;
object-fit: cover;
background: #e5e7eb;
border-bottom: 1px solid var(--line);
}

.inventory-card-content {
padding: 18px;
display: flex;
flex-direction: column;
gap: 14px;
height: 100%;
}

.inventory-card h3 {
margin: 0;
font-size: 1.2rem;
}

.meta,
.specs-list {
display: flex;
flex-wrap: wrap;
gap: 8px;
}

.badge {
display: inline-flex;
align-items: center;
gap: 6px;
padding: 7px 10px;
border-radius: 999px;
font-size: 0.86rem;
font-weight: 600;
background: #eff6ff;
color: #1d4ed8;
}

.stock.ok {
background: #ecfdf5;
color: var(--success);
}

.stock.low {
background: #fff7ed;
color: var(--warning);
}

.specs-box {
background: #f8fafc;
border-radius: 14px;
padding: 14px;
border: 1px solid #e2e8f0;
}

.price-row {
display: flex;
justify-content: space-between;
align-items: center;
gap: 12px;
margin-top: auto;
}

.price {
font-size: 1.3rem;
font-weight: 800;
}

.quote-layout {
display: grid;
grid-template-columns: 1fr 380px;
gap: 24px;
}

.quote-form {
display: grid;
gap: 12px;
margin-top: 18px;
}

.quote-form textarea {
min-height: 140px;
resize: vertical;
}

.quote-cart {
background: #fff;
border: 1px solid var(--line);
border-radius: 18px;
padding: 18px;
box-shadow: var(--shadow);
height: fit-content;
position: sticky;
top: 24px;
}

.quote-cart-head {
display: flex;
justify-content: space-between;
align-items: center;
gap: 10px;
margin-bottom: 16px;
}

.cart-items {
display: grid;
gap: 12px;
min-height: 120px;
}

.cart-item {
border: 1px solid #e2e8f0;
border-radius: 14px;
padding: 12px;
background: #f8fafc;
}

.cart-item-top,
.cart-item-bottom,
.cart-summary {
display: flex;
justify-content: space-between;
gap: 10px;
align-items: center;
}

.cart-item-bottom {
margin-top: 10px;
}

.cart-actions {
display: flex;
align-items: center;
gap: 8px;
}

.icon-btn {
border: 1px solid #e2e8f0;
background: #fff;
color: var(--danger);
border-radius: 10px;
padding: 8px 10px;
cursor: pointer;
font-size: 1rem;
}

.icon-btn:hover {
background: #fef2f2;
}

.empty-state {
color: var(--muted);
margin: 0;
}

.cart-summary {
margin-top: 18px;
padding-top: 16px;
border-top: 1px solid var(--line);
}

.contact-box {
display: grid;
grid-template-columns: 1.1fr 0.9fr;
gap: 20px;
align-items: center;
}

.contact-card {
background: #fff;
border: 1px solid var(--line);
border-radius: 18px;
padding: 22px;
box-shadow: var(--shadow);
}

.footer {
background: #0f172a;
color: rgba(255,255,255,0.8);
padding: 24px 0;
}

@media (max-width: 960px) {
.hero-grid,
.quote-layout,
.contact-box,
.cards,
.inventory-grid,
.section-head,
.inventory-head,
.nav {
grid-template-columns: 1fr;
display: grid;
}

.quote-cart {
position: static;
}
}

@media (max-width: 680px) {
.container {
width: min(100% - 24px, 1180px);
}

.section {
padding: 56px 0;
}

.inventory-tools input,
.inventory-tools select {
min-width: 100%;
}

.product-image,
.category-image {
height: 180px;
}
}