/* ATL Computers — Swiss Brutalist / High-Contrast Design System */

:root {
  /* Colors */
  --color-primary: #0055FF;
  --color-primary-hover: #0044CC;
  --color-bg-light: #FFFFFF;
  --color-bg-alt: #F5F5F0;
  --color-surface: #FFFFFF;
  --color-border: #0A0A0A;
  --color-border-soft: #E5E7EB;
  --color-text-main: #0A0A0A;
  --color-text-muted: #4B5563;
  --color-accent-alert: #FF3B30;
  --color-black: #000000;
  --color-yellow: #FFE500;

  /* Typography scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  --radius: 0px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-hover: 6px 6px 0px rgba(0, 0, 0, 1);
  --shadow-primary: 6px 6px 0px var(--color-primary);
}

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

html, body { background: var(--color-bg-light); color: var(--color-text-main); }

body {
  font-family: "IBM Plex Sans", -apple-system, sans-serif;
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: "Chivo", sans-serif;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-text-main);
}

.mono {
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 0;
}

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

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

button { font-family: inherit; cursor: pointer; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  max-width: 1280px;
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.brand-mark {
  width: 60px;
  height: 60px;
  background: transparent;
  background-image: url('/assets/logo.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  flex-shrink: 0;
}
.brand-text .brand-title {
  font-family: "Chivo", sans-serif;
  font-weight: 900;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  line-height: 1;
}
.brand-text .brand-sub {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.65rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}
.nav-links {
  display: flex;
  gap: var(--space-8);
  align-items: center;
}
.nav-link {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-2) 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease-out;
}
.nav-link:hover { border-bottom-color: var(--color-black); }
.nav-cta {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.nav-cta:hover { color: var(--color-primary); }

@media (max-width: 780px) {
  .nav-links { display: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 1px solid var(--color-black);
  background: var(--color-black);
  color: #fff;
  cursor: pointer;
  transition: transform 0.15s ease-out, box-shadow 0.15s ease-out, background-color 0.15s ease-out;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: var(--shadow-hover); }
.btn:active { transform: translate(0, 0); box-shadow: none; }

.btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.btn-primary:hover { box-shadow: 6px 6px 0px var(--color-black); }

.btn-ghost {
  background: transparent;
  color: var(--color-black);
  border: 1px solid var(--color-black);
}
.btn-ghost:hover { box-shadow: var(--shadow-hover); }

.btn-danger { background: var(--color-accent-alert); border-color: var(--color-accent-alert); color: #fff; }

.btn-sm { padding: var(--space-2) var(--space-4); font-size: 0.75rem; }

/* ---------- Hero ---------- */
.hero {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-light);
}
.hero-inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-16);
  padding: var(--space-24) var(--space-6);
  max-width: 1280px;
  margin: 0 auto;
  align-items: center;
}
.hero-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.hero-eyebrow::before {
  content: "";
  width: 40px;
  height: 1px;
  background: var(--color-primary);
  display: inline-block;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, var(--text-6xl));
  margin-bottom: var(--space-8);
}
.hero h1 .accent { color: var(--color-primary); }
.hero p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 640px;
  margin-bottom: var(--space-8);
}
.hero-actions { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.hero-visual {
  border: 1px solid var(--color-border);
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--color-bg-alt);
  position: relative;
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-visual .tag {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  background: var(--color-yellow);
  color: var(--color-black);
  padding: var(--space-2) var(--space-4);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding: var(--space-16) var(--space-6); gap: var(--space-8); }
  .hero-visual { aspect-ratio: 16 / 10; }
}

/* ---------- Stats strip ---------- */
.stats {
  background: var(--color-black);
  color: #fff;
  border-bottom: 1px solid var(--color-black);
}
.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1280px;
  margin: 0 auto;
}
.stat {
  padding: var(--space-8) var(--space-6);
  border-right: 1px solid #262626;
}
.stat:last-child { border-right: none; }
.stat-num {
  font-family: "Chivo", sans-serif;
  font-weight: 900;
  font-size: var(--text-4xl);
  letter-spacing: -0.03em;
  color: var(--color-yellow);
}
.stat-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #a1a1aa;
  margin-top: var(--space-2);
}
@media (max-width: 780px) {
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid #262626; }
}

/* ---------- Sections ---------- */
.section { padding: var(--space-24) 0; border-bottom: 1px solid var(--color-border); }
.section-header {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-16);
  margin-bottom: var(--space-16);
  align-items: end;
}
.section-eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.section-title { font-size: clamp(2rem, 4vw, var(--text-5xl)); }
.section-desc { color: var(--color-text-muted); font-size: var(--text-lg); max-width: 640px; }

@media (max-width: 900px) {
  .section-header { grid-template-columns: 1fr; gap: var(--space-6); }
  .section { padding: var(--space-16) 0; }
}

/* ---------- Category tabs ---------- */
.tabs {
  display: flex;
  gap: 0;
  border: 1px solid var(--color-border);
  overflow-x: auto;
  margin-bottom: var(--space-8);
  background: var(--color-bg-light);
}
.tab {
  padding: var(--space-4) var(--space-6);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
  background: transparent;
  border: none;
  border-right: 1px solid var(--color-border);
  color: var(--color-text-main);
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.15s ease-out, color 0.15s ease-out;
}
.tab:last-child { border-right: none; }
.tab:hover { background: var(--color-bg-alt); }
.tab.active { background: var(--color-black); color: var(--color-yellow); }

/* ---------- Product Grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}
.product-card {
  background: var(--color-surface);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: background-color 0.15s ease-out;
}
.product-card:hover { background: var(--color-bg-alt); }
.product-img {
  aspect-ratio: 1 / 1;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-soft);
  overflow: hidden;
  display: grid;
  place-items: center;
}
.product-img img { width: 100%; height: 100%; object-fit: cover; }
.product-meta {
  display: flex;
  justify-content: space-between;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
}
.product-name {
  font-family: "Chivo", sans-serif;
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.product-specs {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  min-height: 3em;
}
.product-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-soft);
  margin-top: auto;
}
.product-price {
  font-family: "IBM Plex Mono", monospace;
  font-weight: 600;
  font-size: var(--text-xl);
}
.product-price .rupee { color: var(--color-text-muted); font-weight: 400; margin-right: 2px; }

@media (max-width: 1100px) { .product-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 800px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .product-grid { grid-template-columns: 1fr; } }

.empty-state {
  padding: var(--space-16);
  text-align: center;
  color: var(--color-text-muted);
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: var(--text-sm);
}

/* ---------- Services ---------- */
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--color-border);
  background: var(--color-border);
}
.service {
  background: var(--color-surface);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.service-num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  color: var(--color-primary);
  letter-spacing: 0.15em;
}
.service h3 { font-size: var(--text-2xl); }
.service p { color: var(--color-text-muted); font-size: var(--text-base); }
.service ul { list-style: none; padding: 0; }
.service ul li {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  padding: var(--space-2) 0;
  border-bottom: 1px dashed var(--color-border-soft);
  color: var(--color-text-main);
}
.service ul li::before { content: "→ "; color: var(--color-primary); }
@media (max-width: 900px) { .services { grid-template-columns: 1fr; } }

/* ---------- Contact / Inquiry form ---------- */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-16);
  align-items: start;
}
.contact-info {
  border: 1px solid var(--color-border);
  padding: var(--space-8);
  background: var(--color-black);
  color: #fff;
}
.contact-info h3 { color: var(--color-yellow); margin-bottom: var(--space-6); font-size: var(--text-2xl); }
.contact-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  padding: var(--space-4) 0;
  border-top: 1px solid #262626;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
}
.contact-row:first-of-type { border-top: none; }
.contact-label { color: #a1a1aa; text-transform: uppercase; letter-spacing: 0.1em; }
.contact-value { color: #fff; }

.form { display: grid; gap: var(--space-4); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
}
.field input, .field textarea, .field select {
  border: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: var(--text-base);
  background: var(--color-surface);
  color: var(--color-text-main);
  border-radius: 0;
  outline: none;
  transition: border-color 0.15s ease-out, box-shadow 0.15s ease-out;
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--color-primary);
  box-shadow: 3px 3px 0 var(--color-primary);
}
.field textarea { resize: vertical; min-height: 100px; }

.form-msg {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
}
.form-msg.success { background: #ECFDF5; border-color: #059669; color: #065F46; }
.form-msg.error { background: #FEF2F2; border-color: var(--color-accent-alert); color: var(--color-accent-alert); }

@media (max-width: 900px) {
  .contact-inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .form-row { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-black);
  color: #a1a1aa;
  padding: var(--space-16) 0 var(--space-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid #262626;
}
.footer h4 {
  color: #fff;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: var(--space-4);
  font-weight: 600;
}
.footer p, .footer li { font-size: var(--text-sm); line-height: 1.7; }
.footer ul { list-style: none; }
.footer-bottom {
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #71717a;
}
@media (max-width: 780px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom { flex-direction: column; gap: var(--space-3); }
}

/* Developer credit — hard-coded, not editable via admin */
.dev-credit {
  background: #050505;
  color: #d4d4d8;
  text-align: center;
  padding: var(--space-4) var(--space-6);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  border-top: 1px solid #1a1a1a;
}
.dev-credit strong { color: var(--color-yellow); font-weight: 600; }

/* ---------- Admin Login ---------- */
.admin-login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--color-bg-alt);
  padding: var(--space-6);
}
.admin-login-card {
  width: 100%;
  max-width: 440px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-8);
  box-shadow: var(--shadow-primary);
}
.admin-login-card h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-2);
}
.admin-login-card .sub {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-6);
}

/* ---------- Admin Dashboard ---------- */
.admin-shell { min-height: 100vh; display: grid; grid-template-columns: 260px 1fr; }
.sidebar {
  background: var(--color-black);
  color: #fff;
  padding: var(--space-6) 0;
  border-right: 1px solid var(--color-black);
}
.sidebar .brand-mark { margin-left: var(--space-6); }
.sidebar-title {
  padding: var(--space-6);
  border-bottom: 1px solid #262626;
  margin-bottom: var(--space-4);
}
.sidebar-title .brand-title { color: #fff; }
.sidebar-title .brand-sub { color: #a1a1aa; }
.side-nav { list-style: none; }
.side-nav li {
  padding: var(--space-3) var(--space-6);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #a1a1aa;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.side-nav li:hover { background: #1a1a1a; color: #fff; }
.side-nav li.active { border-left-color: var(--color-yellow); color: var(--color-yellow); background: #171717; }
.sidebar-footer {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  right: var(--space-6);
  width: calc(260px - var(--space-12));
}

.admin-main { padding: var(--space-8); background: var(--color-bg-alt); }
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}
.admin-header h1 { font-size: var(--text-3xl); }
.admin-header .who {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}
.card h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border-soft);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.table th, .table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border-soft);
  vertical-align: top;
}
.table th {
  background: var(--color-bg-alt);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  font-weight: 600;
}
.table tr:hover td { background: #fafafa; }

.actions-row { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-6); }

.stat-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--color-border);
  background: var(--color-border);
  margin-bottom: var(--space-8);
}
.stat-card { background: var(--color-surface); padding: var(--space-6); }
.stat-card .num {
  font-family: "Chivo", sans-serif;
  font-weight: 900;
  font-size: var(--text-4xl);
  letter-spacing: -0.03em;
}
.stat-card .lbl {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

@media (max-width: 900px) {
  .admin-shell { grid-template-columns: 1fr; }
  .sidebar { display: flex; flex-direction: column; }
  .stat-cards { grid-template-columns: 1fr; }
}

/* Utility */
.hidden { display: none !important; }