/* ==========================================================================
   Seraya System Integration - layout shell inspired by maingear.com structure
   (ecommerce-style bands: announcement, sticky header, hero, promos, grid, values, footer)
   THEME: edit :root variables below to change tones globally.
   ========================================================================== */

:root {
  /* Seraya monochrome — aligned with the SERAYA SI mark (black + white, no chroma). */
  --bg: #050508;
  --bg-elevated: #0c0c12;
  --bg-card: #12121c;
  --bg-footer: #030305;
  --border: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #e4e4e7;
  --text-muted: #a1a1aa;
  --accent: #fafafa;
  --accent-hover: #ffffff;
  --accent-muted: #d4d4d8;
  --accent-contrast: #050508;
  --glow: rgba(255, 255, 255, 0.1);
  --header-h: 4rem;
  --announce-h: 2.25rem;
  --container: min(1400px, calc(100% - 2rem));
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 6px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9375rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.5rem;
  z-index: 10000;
  padding: 0.5rem 1rem;
  background: var(--bg);
  color: var(--text);
}

.skip-link:focus {
  left: 0.5rem;
}

/* ----- Announcement strip (MAINGEAR top promo bar pattern) ----- */
.announcement-bar {
  min-height: var(--announce-h);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
}

.announcement-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem 1.5rem;
  padding: 0.35rem 1rem;
}

.announcement-bar a {
  color: var(--text-muted);
}

.announcement-bar a:hover {
  color: var(--text);
}

/* ----- Sticky header ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  height: var(--header-h);
  background: rgba(5, 5, 8, 0.94);
  border-bottom: 1px solid var(--border);
}

@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .site-header {
    background: rgba(5, 5, 8, 0.88);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
  }
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1rem;
}

.logo {
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.95rem;
  white-space: nowrap;
}

.logo span {
  color: var(--text-muted);
  font-weight: 600;
}

.main-nav {
  display: none;
  gap: 1.5rem;
  align-items: center;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.main-nav a {
  color: var(--text-muted);
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--text);
  text-decoration: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  border-radius: var(--radius);
  text-decoration: none;
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.06);
}

.header-actions .icon-btn {
  width: auto;
  min-width: 2.5rem;
  padding: 0 0.65rem;
  white-space: nowrap;
}

#btnSearch,
#searchPanel {
  display: none !important;
}

.mobile-menu-btn {
  display: inline-flex;
}

@media (min-width: 960px) {
  .main-nav {
    display: flex;
  }
  .mobile-menu-btn {
    display: none;
  }
}

/* Mobile drawer */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 950;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.mobile-drawer.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(22rem, 88vw);
  height: 100%;
  background: var(--bg);
  border-left: 1px solid var(--border);
  padding: 1.25rem;
  transform: translateX(100%);
  transition: transform 0.28s ease;
}

.mobile-drawer.is-open .mobile-drawer-panel {
  transform: translateX(0);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
}

.mobile-nav a {
  color: var(--text-muted);
}

.mobile-nav a:hover {
  color: var(--text);
}

/* Search + cart overlays */
.overlay-panel {
  position: fixed;
  inset: 0;
  z-index: 960;
  background: rgba(0, 0, 0, 0.65);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.overlay-panel.is-open {
  opacity: 1;
  pointer-events: auto;
}

.overlay-sheet {
  position: absolute;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.search-sheet {
  left: 50%;
  top: 5rem;
  transform: translateX(-50%);
  width: min(520px, 92vw);
  padding: 1rem;
}

.cart-sheet {
  right: 0;
  top: 0;
  height: 100%;
  width: min(400px, 100%);
  padding: 1.25rem;
  border-left: 1px solid var(--border);
}

.overlay-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.search-input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

.muted {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ----- Hero (full-bleed band) ----- */
.hero {
  position: relative;
  min-height: clamp(22rem, 62vh, 38rem);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2.5rem 1rem 0;
  background:
    radial-gradient(120% 85% at 18% -5%, var(--glow), transparent 58%),
    linear-gradient(180deg, #12101c 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
}

.hero-kicker {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--accent-muted);
  margin-bottom: 0.75rem;
}

.hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: min(38rem, 100%);
}

.hero p.hero-subtitle {
  margin: 0 0 1rem;
  max-width: min(40rem, 100%);
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--text);
}

.hero p {
  margin: 0 0 1.25rem;
  max-width: 42rem;
  color: var(--text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--accent-contrast);
  text-decoration: none;
  box-shadow: 0 0 0 1px rgba(196, 181, 253, 0.35);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero .btn-row .btn {
  text-transform: none;
  letter-spacing: 0.02em;
  font-weight: 600;
}

.hero-marquee-wrap {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  margin-left: -1rem;
  margin-right: -1rem;
  padding-bottom: 1.71rem;
  overflow: hidden;
  border-top: none;
  padding-top: 1.25rem;
}

.hero-marquee {
  position: relative;
  overflow: hidden;
}

.hero-marquee::before,
.hero-marquee::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: min(3.5rem, 10vw);
  z-index: 2;
  pointer-events: none;
}

.hero-marquee::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg), transparent);
}

.hero-marquee::after {
  right: 0;
  background: linear-gradient(270deg, var(--bg), transparent);
}

.hero-marquee-track {
  display: flex;
  width: max-content;
  animation: hero-marquee-scroll 65s linear infinite;
  will-change: transform;
}

.hero-marquee-list {
  --marquee-gap: clamp(1.275rem, 3.3vw, 2.025rem);
  display: flex;
  align-items: center;
  gap: var(--marquee-gap);
  list-style: none;
  margin: 0;
  padding: 0 var(--marquee-gap) 0 0;
  flex-shrink: 0;
}

.hero-marquee-list li {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-marquee-logo {
  height: calc(1.375rem * 1.5);
  width: auto;
  max-width: calc(5.25rem * 1.5);
  object-fit: contain;
  opacity: 0.7;
  filter: invert(1) brightness(1.08);
}

.hero-marquee-logo[src*="/amd.svg"],
.hero-marquee-logo[src*="/asus.svg"],
.hero-marquee-logo[src*="/nzxt.svg"] {
  height: calc(1.375rem * 2.25);
  max-width: calc(5.25rem * 2.25);
}

.hero-marquee-logo[src*="/samsung.svg"] {
  height: calc(1.375rem * 2.7);
  max-width: calc(5.25rem * 2.7);
}

.hero-marquee-logo[src*="/amd.svg"],
.hero-marquee-logo[src*="/asus.svg"],
.hero-marquee-logo[src*="/nzxt.svg"] {
  height: calc(1.375rem * 1.5 * 1.5);
  max-width: calc(5.25rem * 1.5 * 1.5);
}

.hero-marquee-word {
  display: block;
  font-size: calc(0.68rem * 1.5);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(228, 228, 231, 0.7);
  white-space: nowrap;
}

@keyframes hero-marquee-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-33.333333%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-marquee-track {
    animation: none;
    width: 100%;
    max-width: var(--container);
    margin-left: auto;
    margin-right: auto;
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-marquee-track .hero-marquee-list:not(:first-child) {
    display: none;
  }

  .hero-marquee-list {
    flex-wrap: wrap;
    justify-content: center;
    row-gap: 0.75rem;
    column-gap: clamp(0.85rem, 2.2vw, 1.35rem);
  }
}

/* ----- Promo duo (two large feature cards) ----- */
.section {
  padding: 3rem 1rem;
  border-bottom: 1px solid var(--border);
}

.section-head {
  max-width: var(--container);
  margin: 0 auto 1.5rem;
}

.section-head h2 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--text-muted);
  max-width: 46rem;
}

.promo-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17.5rem), 1fr));
}

.promo-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  padding: 0;
  min-height: min-content;
}

.promo-card-media-wrap {
  position: relative;
  flex: 0 0 auto;
  height: clamp(11rem, 26vw, 16rem);
  overflow: hidden;
  background: var(--bg-elevated);
}

.promo-card .promo-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 1;
  pointer-events: none;
}

.promo-card-body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  align-items: flex-start;
  padding: 1.25rem 1.5rem 1.5rem;
  min-height: min-content;
}

.promo-card-body h3 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.promo-card-body p {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  max-width: 36rem;
  flex-shrink: 0;
}

.promo-card-body p:last-of-type {
  margin-bottom: 0;
}

.promo-card-cta-push {
  flex: 1 1 auto;
  flex-shrink: 1;
  width: 100%;
  min-height: clamp(1.25rem, 4vw, 2.25rem);
  pointer-events: none;
}

.promo-card-body > .btn {
  margin-top: 0;
  align-self: flex-start;
  flex-shrink: 0;
}

/* ----- Advantage tree cards ----- */
.adv-tree {
  max-width: var(--container);
  margin: 0 auto;
  --adv-root-width: min(44rem, 100%);
  --adv-overlap-x: 72px;
  --adv-right-shift: calc(var(--adv-root-width) * -0.25);
  --adv-right-vertical-offset: -106px;
  --adv-right-lower-up: 28px;
  --adv-left-up: 292.5px;
  --adv-left-lower-extra-up: 40px;
  --adv-branch-gap-default: 24px;
  --adv-vertical-space-desktop: 280px;
}

.adv-card {
  border: 1.1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  padding: 1.1rem 1.2rem 1.2rem;
}

.adv-card h2,
.adv-card h3 {
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.adv-card h2 {
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
}

.adv-card h3 {
  font-size: 1.05rem;
}

.adv-card p {
  margin: 0;
  color: var(--text-muted);
}

.adv-card-root {
  position: relative;
  max-width: var(--adv-root-width);
  margin: 0 auto;
  text-align: center;
  border-color: var(--border-strong);
}

.adv-card-root::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -1.75rem;
  width: 5px;
  height: 1.75rem;
  background: var(--border-strong);
  transform: translateX(-50%);
  z-index: 0;
  pointer-events: none;
}

.adv-tree-branches {
  --adv-vertical-space: clamp(9rem, 20vw, 13rem);
  --adv-rail-y: 1.15rem;
  --adv-stem: var(--adv-vertical-space);
  position: relative;
  margin-top: 1.75rem;
  padding-top: calc(var(--adv-rail-y) + var(--adv-stem));
  display: grid;
  gap: var(--adv-vertical-space);
  grid-template-columns: 1fr;
}

.adv-tree-branches::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 5px;
  height: var(--adv-rail-y);
  background: var(--border-strong);
  transform: translateX(-50%);
  z-index: 0;
  pointer-events: none;
}

.adv-tree-branches .adv-card {
  position: relative;
  z-index: 3;
}

.adv-tree-branches .adv-card::before {
  content: "";
  position: absolute;
  left: 50%;
  top: calc(-1 * var(--adv-stem));
  width: 3px;
  height: var(--adv-stem);
  background: var(--border-strong);
  transform: translateX(-50%);
}

@media (min-width: 980px) {
  .adv-tree-branches {
    --adv-branch-gap: var(--adv-branch-gap-default);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    --adv-vertical-space: var(--adv-vertical-space-desktop);
    gap: var(--adv-vertical-space) var(--adv-branch-gap);
    --adv-rail-y: 1.25rem;
    --adv-stem: var(--adv-vertical-space);
    padding-top: calc(var(--adv-rail-y) + var(--adv-stem));
    width: min(86%, 1100px);
    margin-left: auto;
    margin-right: auto;
  }

  .adv-tree-branches::after {
    content: none;
  }

  .adv-tree-branches .adv-card:first-child::after {
    content: none;
  }

  .adv-tree-branches .adv-card {
    align-self: start;
  }

  .adv-tree-branches .adv-col {
    display: grid;
    gap: var(--adv-vertical-space);
    align-content: start;
    position: relative;
    z-index: 2;
  }

  .adv-tree-branches .adv-col-left {
    margin-top: calc(-1 * var(--adv-left-up));
    transform: translateX(var(--adv-overlap-x));
  }

  .adv-tree-branches .adv-col-left .adv-card:nth-child(2) {
    margin-top: calc(-1 * var(--adv-left-lower-extra-up));
  }

  .adv-tree-branches .adv-col-right {
    margin-top: var(--adv-right-vertical-offset);
    transform: translateX(var(--adv-right-shift));
  }

  .adv-tree-branches .adv-col-right .adv-card:nth-child(2) {
    margin-top: calc(-1 * var(--adv-right-lower-up));
  }

  .adv-tree-branches::before {
    top: 0;
    height: calc(100% - 1px);
  }

  .adv-tree-branches .adv-card::before {
    content: none;
  }
}

/* ----- Split feature row ----- */
.split {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 900px) {
  .split {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.split-visual {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  background: #000;
}

.split-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 220px;
}

/* ----- Product grid (collection cards) ----- */
.product-section .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.product-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.product-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.product-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0a0a12;
}

.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.badge {
  position: absolute;
  top: 0.65rem;
  left: 0.65rem;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.65);
  border: 1px solid var(--border);
}

.product-card-body {
  padding: 1rem 1rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.product-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.spec-list {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.spec-list li + li {
  margin-top: 0.2rem;
}

.price-row {
  margin-top: auto;
  padding-top: 0.75rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}

.price {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.price s {
  color: var(--text-muted);
  font-weight: 500;
  margin-right: 0.35rem;
}

/* ----- Editorial tiles (3-up) ----- */
.tile-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

@media (min-width: 800px) {
  .tile-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.tile {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  background: var(--bg-elevated);
}

.tile h3 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
}

.tile p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ----- Value triple (MAINGEAR difference pattern) ----- */
.values {
  background: linear-gradient(180deg, var(--bg) 0%, #0c0818 100%);
}

.value-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .value-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.value-card {
  padding: 1.5rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
}

.value-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.value-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ----- Footer (multi-column) ----- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 1rem 2rem;
  background: var(--bg-footer);
}

.footer-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 2rem;
}

@media (min-width: 800px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-col h4 {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--text);
}

.footer-bottom {
  max-width: var(--container);
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ----- Catalog / inner pages ----- */
.page-hero {
  padding: 2.5rem 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.page-hero-inner {
  max-width: var(--container);
  margin: 0 auto;
}

.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
}

.toolbar {
  max-width: var(--container);
  margin: 1rem auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.select {
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

/* Prose article (case study) */
article.prose {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

.prose h2 {
  margin-top: 2.5rem;
  font-size: 1.25rem;
}

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

/* ----- Company / RFQ page ----- */
.company-section {
  background: var(--bg);
}

.company-band {
  background:
    linear-gradient(135deg, rgba(92, 200, 255, 0.08), transparent 34rem), var(--bg-elevated);
}

.company-grid,
.contact-grid,
.route-list {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

.company-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
}

.company-card,
.contact-panel,
.route-list article {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  padding: 1.25rem;
}

.company-card {
  min-height: 11rem;
}

.company-card h3,
.contact-panel h3,
.route-list h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.company-card p,
.contact-panel p,
.route-list p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.process-list {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.process-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
  padding: 1rem;
}

.process-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  border: 1px solid rgba(92, 200, 255, 0.45);
  color: var(--accent-cyan);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.process-list h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.process-list p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.company-fit-grid .tile {
  background: var(--bg-card);
}

.contact-section {
  scroll-margin-top: calc(var(--header-h) + 1rem);
  background:
    radial-gradient(circle at 20% 0%, rgba(92, 200, 255, 0.08), transparent 26rem), var(--bg);
}

#regional {
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: minmax(18rem, 0.85fr) minmax(0, 1.15fr);
    align-items: stretch;
  }
}

.contact-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-panel dl {
  margin: 0;
  display: grid;
  gap: 0.85rem;
}

.contact-panel dt {
  margin-bottom: 0.2rem;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-panel dd {
  margin: 0;
  color: var(--text);
}

.contact-panel .btn {
  margin-top: auto;
  align-self: flex-start;
}

.rfq-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.rfq-checklist li {
  position: relative;
  padding-left: 1.15rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.rfq-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 999px;
  background: var(--accent-cyan);
  box-shadow: 0 0 18px var(--accent-cyan-glow);
}

.route-list {
  margin-top: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
}

/* ----- Programs page ----- */
.program-hero {
  background:
    radial-gradient(circle at 82% 28%, rgba(92, 200, 255, 0.12), transparent 24rem),
    var(--bg-elevated);
}

.program-hero-layout {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 2rem;
  align-items: center;
}

.program-hero-copy {
  min-width: 0;
}

.program-hero-copy .btn-row {
  margin-top: 1.25rem;
}

.program-map {
  position: relative;
  min-height: 21rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 50%, rgba(92, 200, 255, 0.13), transparent 11rem),
    linear-gradient(145deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.01));
}

.program-map::before,
.program-map::after {
  content: "";
  position: absolute;
  inset: 18%;
  border: 1px solid rgba(92, 200, 255, 0.22);
  border-radius: 50%;
}

.program-map::after {
  inset: 32%;
  box-shadow: 0 0 55px rgba(92, 200, 255, 0.12);
}

.program-map-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(92, 200, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 200, 255, 0.08) 1px, transparent 1px);
  background-size: 2.25rem 2.25rem;
  mask-image: radial-gradient(circle, #000 24%, transparent 78%);
  opacity: 0.45;
}

.program-map-core,
.program-node {
  position: absolute;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(92, 200, 255, 0.42);
  background: rgba(5, 5, 8, 0.82);
  color: var(--text);
  box-shadow: 0 0 30px rgba(92, 200, 255, 0.11);
}

.program-map-core {
  left: 50%;
  top: 50%;
  width: 5.25rem;
  height: 5.25rem;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  color: var(--accent-cyan);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.program-node {
  min-width: 8.35rem;
  min-height: 2.45rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.program-node-demand {
  left: 8%;
  top: 16%;
}

.program-node-bom {
  right: 8%;
  top: 16%;
}

.program-node-source {
  left: 6%;
  top: 58%;
}

.program-node-validate {
  right: 6%;
  top: 58%;
}

.program-node-deliver {
  left: 30%;
  bottom: 10%;
}

.program-node-warranty {
  right: 30%;
  bottom: 10%;
}

.program-section {
  background: var(--bg);
}

.program-band {
  background:
    linear-gradient(135deg, rgba(92, 200, 255, 0.07), transparent 36rem), var(--bg-elevated);
}

.program-scenarios,
.program-card-grid,
.program-flow,
.program-control-grid {
  max-width: var(--container);
  margin: 0 auto;
}

.program-scenarios {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.program-scenarios span {
  display: inline-flex;
  align-items: center;
  min-height: 2.35rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  padding: 0.35rem 0.85rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.program-card-grid,
.program-control-grid {
  display: grid;
  gap: 1rem;
}

.program-type-card,
.program-control-grid article {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  padding: 1.2rem;
}

.program-type-card h3,
.program-control-grid h3,
.program-flow h3 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
}

.program-type-card p,
.program-control-grid p,
.program-flow p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.program-card-kicker {
  margin-bottom: 0.75rem !important;
  color: var(--text) !important;
}

.program-flow {
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
}

.program-flow li {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
  padding: 1rem;
}

.program-flow span {
  grid-row: span 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  border: 1px solid rgba(92, 200, 255, 0.45);
  border-radius: 50%;
  color: var(--accent-cyan);
  font-size: 0.72rem;
  font-weight: 800;
}

.program-example-grid dl {
  margin: 0;
  display: grid;
  gap: 0.55rem;
}

.program-example-grid dt {
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.program-example-grid dd {
  margin: -0.35rem 0 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.program-cta {
  display: grid;
  gap: 1.25rem;
  align-items: center;
  background:
    radial-gradient(circle at 18% 0%, rgba(92, 200, 255, 0.1), transparent 24rem), var(--bg);
}

.program-cta > div {
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
}

.program-cta h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
}

@media (min-width: 800px) {
  .program-hero-layout {
    grid-template-columns: minmax(0, 0.95fr) minmax(22rem, 1.05fr);
  }

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

  .program-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .program-flow li {
    grid-template-columns: 1fr;
  }

  .program-flow span {
    grid-row: auto;
  }

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

  .program-cta {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .program-cta .btn-row {
    justify-content: flex-end;
  }
}

@media (max-width: 620px) {
  .program-map {
    min-height: 18rem;
  }

  .program-node {
    min-width: 6.9rem;
    font-size: 0.68rem;
  }

  .program-node-demand,
  .program-node-source {
    left: 4%;
  }

  .program-node-bom,
  .program-node-validate {
    right: 4%;
  }

  .program-node-deliver {
    left: 16%;
  }

  .program-node-warranty {
    right: 16%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .mobile-drawer,
  .overlay-panel,
  .mobile-drawer-panel {
    transition: none !important;
  }
}

/* ==========================================================================
   v2 polish: tech-accent, hero visual, scroll-reveal, card lift,
   marquee hover-pause, advantage timeline progressive lighting.
   Additive only — does not remove or override existing rules destructively.
   ========================================================================== */

:root {
  /* Single cool-cyan accent for "tech glow". Used sparingly: primary CTA hover,
     hero icon, key links, lit timeline. */
  --accent-cyan: #5cc8ff;
  --accent-cyan-soft: rgba(92, 200, 255, 0.55);
  --accent-cyan-glow: rgba(92, 200, 255, 0.32);
  --accent-cyan-faint: rgba(92, 200, 255, 0.14);
}

/* --- Hero: layered background + canvas particle network --- */
.hero {
  position: relative;
  background:
    radial-gradient(60% 50% at 78% 35%, var(--accent-cyan-faint), transparent 70%),
    radial-gradient(120% 85% at 18% -5%, var(--glow), transparent 58%),
    linear-gradient(180deg, #0e0d18 0%, var(--bg) 100%);
  overflow: hidden;
}

.hero-inner,
.hero-marquee-wrap {
  position: relative;
  z-index: 2;
}

/* Animated particle-network canvas. Sits behind content with a soft
   vignette so headline text stays legible over it. */
.hero-bg-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  /* Fade edges so the network feels embedded, not stamped on */
  -webkit-mask-image: radial-gradient(120% 90% at 50% 45%, #000 55%, transparent 100%);
  mask-image: radial-gradient(120% 90% at 50% 45%, #000 55%, transparent 100%);
}

/* Soft vignette over the canvas to lift headline contrast */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(70% 60% at 22% 45%, rgba(14, 13, 24, 0.72), transparent 70%),
    linear-gradient(180deg, transparent 60%, rgba(14, 13, 24, 0.55) 100%);
}

/* Plain mode: hide canvas + vignette for clean-comparison view */
.hero[data-hero-style="plain"] .hero-bg-canvas {
  display: none;
}
.hero[data-hero-style="plain"]::before {
  display: none;
}

/* --- Primary CTA: keep monochrome rest state, add cyan glow on hover --- */
.btn-primary {
  transition:
    background 200ms ease,
    box-shadow 250ms ease,
    transform 200ms ease;
}
.btn-primary:hover {
  box-shadow:
    0 0 0 1px var(--accent-cyan-soft),
    0 8px 28px var(--accent-cyan-glow);
}
.btn-ghost {
  transition:
    background 200ms ease,
    border-color 200ms ease,
    color 200ms ease;
}
.btn-ghost:hover {
  border-color: var(--accent-cyan-soft);
  color: var(--accent-cyan);
  text-decoration: none;
  background: rgba(92, 200, 255, 0.04);
}

/* --- Marquee: pause on hover for browsability --- */
.hero-marquee-wrap:hover .hero-marquee-track,
.hero-marquee:focus-within .hero-marquee-track {
  animation-play-state: paused;
}

/* --- Promo / product / value / tile cards: subtle lift + cyan edge on hover --- */
.promo-card,
.product-card,
.value-card,
.tile {
  transition:
    transform 280ms cubic-bezier(0.2, 0.6, 0.2, 1),
    border-color 280ms ease,
    box-shadow 280ms ease;
  will-change: transform;
}

.promo-card:hover,
.product-card:hover,
.value-card:hover,
.tile:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan-soft);
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.45),
    0 0 0 1px var(--accent-cyan-faint),
    0 0 32px var(--accent-cyan-faint);
}

.promo-card .promo-media,
.product-card-media img {
  transition: transform 600ms cubic-bezier(0.2, 0.6, 0.2, 1);
}
.promo-card:hover .promo-media,
.product-card:hover .product-card-media img {
  transform: scale(1.04);
}

/* --- Scroll reveal: hidden until JS adds .is-revealed --- */
.reveal-ready .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 720ms cubic-bezier(0.2, 0.6, 0.2, 1),
    transform 720ms cubic-bezier(0.2, 0.6, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal-ready .reveal.is-revealed {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal-ready .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* --- Advantage timeline: progressive cyan "lighting" as user scrolls --- */
.adv-card-root.is-lit {
  border-color: var(--accent-cyan-soft);
  box-shadow:
    0 0 0 1px var(--accent-cyan-faint),
    0 0 32px var(--accent-cyan-faint);
  transition:
    border-color 500ms ease,
    box-shadow 500ms ease;
}

.adv-card-root.is-lit::after,
.adv-tree-branches.is-lit::before {
  background: var(--accent-cyan-soft);
  box-shadow: 0 0 12px var(--accent-cyan-glow);
  transition:
    background 600ms ease,
    box-shadow 600ms ease;
}

.adv-tree-branches .adv-card.is-lit {
  border-color: var(--accent-cyan-soft);
  box-shadow:
    0 0 0 1px var(--accent-cyan-faint),
    0 0 28px var(--accent-cyan-faint);
  transition:
    border-color 500ms ease,
    box-shadow 500ms ease;
}

.adv-tree-branches .adv-card.is-lit::before {
  background: var(--accent-cyan-soft);
  box-shadow: 0 0 10px var(--accent-cyan-glow);
  transition:
    background 600ms ease,
    box-shadow 600ms ease;
}

/* ===================== Systems catalog (/works) ===================== */
.catalog-hero .eyebrow {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-cyan, #5cc8ff);
  margin-bottom: 0.6rem;
}
.catalog-hero h1 {
  font-size: clamp(2rem, 3.4vw, 2.75rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.6rem;
}
.cat-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0 1rem;
}
.cat-chip {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(92, 200, 255, 0.04);
  color: var(--text);
  text-decoration: none;
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    color 0.15s ease;
}
.cat-chip:hover {
  border-color: var(--accent-cyan, #5cc8ff);
  background: rgba(92, 200, 255, 0.1);
  color: var(--accent-cyan, #5cc8ff);
}

.catalog-main {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}
.catalog-section {
  scroll-margin-top: 96px;
  padding: 2.25rem 0 2.5rem;
  border-top: 1px solid var(--border);
}
.catalog-section:first-of-type {
  border-top: none;
  padding-top: 0.5rem;
}
.catalog-section-head {
  display: grid;
  grid-template-columns: minmax(9rem, 12rem) minmax(0, 1fr);
  align-items: center;
  gap: 0.45rem 1.4rem;
  margin-bottom: 1.25rem;
}
.catalog-section-head h2 {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.1;
  letter-spacing: 0;
  position: relative;
  padding-left: 0.85rem;
}
.catalog-section-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35rem;
  bottom: 0.35rem;
  width: 3px;
  background: var(--accent-cyan, #5cc8ff);
  border-radius: 2px;
}
.catalog-section-head p {
  margin: 0;
  max-width: 64ch;
  font-size: 0.9rem;
  line-height: 1.55;
}

@media (max-width: 720px) {
  .catalog-section-head {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .catalog-section-head p {
    max-width: none;
    padding-left: 0.85rem;
  }
}

/* Card refinements */
.sku-card .product-card-media {
  aspect-ratio: 16 / 9;
}
.sku-card .media-tint {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 5, 8, 0) 35%, rgba(5, 5, 8, 0.55) 100%),
    linear-gradient(135deg, rgba(92, 200, 255, 0.18) 0%, rgba(92, 200, 255, 0) 55%);
  pointer-events: none;
}
.sku-head {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin-bottom: 0.35rem;
}
.sku-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent-cyan, #5cc8ff);
}
.sku-tagline {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.005em;
}
.spec-table {
  margin: 0.25rem 0 0;
  padding: 0.6rem 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.3rem;
  border-top: 1px dashed var(--border);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
}
.spec-row {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 0.75rem;
  align-items: baseline;
  margin: 0;
}
.spec-row dt {
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.spec-row dd {
  margin: 0;
  color: var(--text);
}
.sku-foot {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.82rem;
}
.sku-foot strong {
  color: var(--text);
  font-weight: 700;
}
.rfq-link {
  color: var(--accent-cyan, #5cc8ff);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.rfq-link:hover {
  text-decoration: underline;
}