/* assets/css/style.css */

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

html {
  scroll-behavior: smooth;
}

:root {
  --bg: #0A0A0A;
  --surface: #1F1F1F;
  --surface-2: #141414;
  --surface-3: #111111;
  --card-light: #FFFFFF;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: #EAEAEA;
  --text: #FFFFFF;
  --text-muted: #B7B7B7;
  --text-soft: #888888;
  --heading-dark: #121212;
  --body-dark: #444444;
  --white: #FFFFFF;
  --black: #0A0A0A;
  --accent: #3E6AE1;
  --accent-hover: #3457C9;
  --success: #16A34A;
  --error: #DC2626;
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.18);
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.10);
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 16px;
  --container: 1200px;
  --header-height: 78px;
  --transition: 0.28s ease;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
dl,
dd,
blockquote,
figure {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

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

input,
button,
textarea,
select {
  font: inherit;
}

button {
  border: none;
  background: none;
  cursor: pointer;
}

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

table {
  width: 100%;
  border-collapse: collapse;
}

body {
  min-width: 320px;
  font-family: Inter, Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ========================================
   Global Utilities
======================================== */
.container {
  width: min(100% - 40px, var(--container));
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 88px 0;
}

.section-sm {
  padding: 64px 0;
}

.section-lg {
  padding: 112px 0;
}

.bg-dark {
  background: var(--bg);
  color: var(--text);
}

.bg-surface {
  background: var(--surface);
  color: var(--text);
}

.bg-light {
  background: var(--white);
  color: var(--heading-dark);
}

.bg-light .eyebrow,
.bg-light .section-intro,
.bg-light .card-text,
.bg-light .meta,
.bg-light .list-muted li,
.bg-light .table-note,
.bg-light .content-muted {
  color: var(--body-dark);
}

.bg-light .card,
.bg-light .info-panel,
.bg-light .stat-card,
.bg-light .data-card,
.bg-light .process-step,
.bg-light .feature-card,
.bg-light .quote-box,
.bg-light .timeline-item,
.bg-light .faq-item,
.bg-light .resource-card,
.bg-light .product-card,
.bg-light .catalog-filter,
.bg-light .contact-card,
.bg-light .form-panel,
.bg-light .case-metric,
.bg-light .spec-card,
.bg-light .article-card,
.bg-light .industry-card {
  background: #FFFFFF;
  color: var(--heading-dark);
  border-color: rgba(10, 10, 10, 0.10);
}

.bg-light .btn-secondary {
  color: var(--accent);
  border-color: var(--accent);
}

.bg-light .table-wrap {
  border-color: rgba(10, 10, 10, 0.12);
}

.bg-light th,
.bg-light td {
  border-color: rgba(10, 10, 10, 0.10);
}

.bg-light thead th {
  background: #F7F7F7;
}

.bg-light .image-placeholder {
  background:
    linear-gradient(135deg, rgba(62, 106, 225, 0.10), rgba(10, 10, 10, 0.05)),
    #ECECEC;
  color: #3A3A3A;
  border-color: rgba(10, 10, 10, 0.12);
}

.bg-light .image-placeholder-label,
.bg-light .image-placeholder-subtitle {
  color: #5A5A5A;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

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

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.stack-16 > * + * {
  margin-top: 16px;
}

.stack-20 > * + * {
  margin-top: 20px;
}

.stack-24 > * + * {
  margin-top: 24px;
}

.stack-32 > * + * {
  margin-top: 32px;
}

.mt-24 {
  margin-top: 24px;
}

.mt-32 {
  margin-top: 32px;
}

.mt-40 {
  margin-top: 40px;
}

.mt-48 {
  margin-top: 48px;
}

.mb-0 {
  margin-bottom: 0;
}

.w-full {
  width: 100%;
}

/* ========================================
   Typography
======================================== */
h1,
h2,
h3,
h4 {
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.9rem, 6vw, 4.25rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 2.7rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

h4 {
  font-size: 1.125rem;
}

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

.bg-light p {
  color: var(--body-dark);
}

.lead {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  line-height: 1.75;
  color: var(--text-muted);
}

.bg-light .lead {
  color: var(--body-dark);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-soft);
}

.eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.section-head {
  max-width: 760px;
  margin-bottom: 40px;
}

.section-intro {
  margin-top: 16px;
  max-width: 720px;
  font-size: 1.05rem;
  color: var(--text-muted);
}

.content-muted,
.meta,
.card-text,
.table-note {
  color: var(--text-muted);
}

.small-text {
  font-size: 0.95rem;
}

.tiny-text {
  font-size: 0.84rem;
}

.highlight {
  color: var(--accent);
}

/* ========================================
   Buttons
======================================== */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn,
button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  line-height: 1;
  transition:
    transform var(--transition),
    background-color var(--transition),
    color var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.btn:hover,
button.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: var(--white);
  background: var(--accent);
  border: 1px solid var(--accent);
}

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

.btn-secondary {
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--accent);
}

.btn-secondary:hover {
  color: var(--white);
  background: var(--accent);
}

.btn-dark {
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.btn-dark:hover {
  border-color: var(--accent);
  color: var(--white);
}

.link-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 600;
  transition: color var(--transition), transform var(--transition);
}

.link-inline:hover {
  color: var(--accent-hover);
  transform: translateX(2px);
}

/* ========================================
   Header / Navigation
======================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: var(--header-height);
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 20px;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(62, 106, 225, 0.95), rgba(62, 106, 225, 0.35)),
    #111111;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--white);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.15;
}

.brand-subtitle {
  font-size: 0.82rem;
  color: var(--text-soft);
  line-height: 1.2;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-list > li {
  position: relative;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.96rem;
  font-weight: 500;
  transition: color var(--transition), background-color var(--transition);
}

.nav-link:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.04);
}

.nav-link.active {
  color: var(--white);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 5px;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
}

.nav-cta {
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: border-color var(--transition), background-color var(--transition);
}

.nav-toggle:hover {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.04);
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle-icon {
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.nav-open .nav-toggle-icon {
  background: transparent;
}

.nav-open .nav-toggle-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-open .nav-toggle-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* ========================================
   Hero / Banner
======================================== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 72px;
  background:
    radial-gradient(circle at top right, rgba(62, 106, 225, 0.18), transparent 28%),
    linear-gradient(180deg, #0A0A0A 0%, #111111 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  align-items: center;
  gap: 42px;
}

.hero-copy {
  max-width: 700px;
}

.hero-title {
  max-width: 760px;
}

.hero-text {
  margin-top: 20px;
  max-width: 650px;
}

.hero-actions {
  margin-top: 32px;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 44px;
}

.hero-stat {
  padding: 18px 18px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hero-stat strong {
  display: block;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--white);
}

.hero-stat span {
  display: block;
  margin-top: 8px;
  color: var(--text-soft);
  font-size: 0.94rem;
}

.hero-panel {
  position: relative;
}

/* ========================================
   Cards / Panels
======================================== */
.card,
.info-panel,
.stat-card,
.data-card,
.feature-card,
.process-step,
.timeline-item,
.faq-item,
.resource-card,
.product-card,
.contact-card,
.form-panel,
.case-metric,
.spec-card,
.article-card,
.industry-card,
.quote-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: none;
}

.card,
.feature-card,
.product-card,
.resource-card,
.article-card,
.industry-card {
  padding: 28px;
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.card:hover,
.feature-card:hover,
.product-card:hover,
.resource-card:hover,
.article-card:hover,
.industry-card:hover {
  transform: translateY(-4px);
  border-color: rgba(62, 106, 225, 0.42);
  box-shadow: var(--shadow-card);
}

.card-icon,
.feature-icon,
.info-icon,
.metric-icon,
.step-index {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(62, 106, 225, 0.12);
  color: var(--accent);
  border: 1px solid rgba(62, 106, 225, 0.28);
  font-weight: 700;
}

.card-title,
.feature-title,
.product-title,
.resource-title,
.article-title,
.industry-title,
.spec-title {
  margin-top: 18px;
}

.card-text,
.feature-text,
.product-text,
.resource-text,
.article-text,
.industry-text {
  margin-top: 12px;
}

.card-footer,
.product-footer,
.resource-footer,
.article-footer {
  margin-top: 22px;
}

.info-panel,
.quote-box,
.form-panel {
  padding: 32px;
}

.stat-card,
.data-card,
.case-metric,
.spec-card {
  padding: 24px;
}

.stat-number,
.data-number,
.metric-number {
  display: block;
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 600;
  line-height: 1;
  color: var(--white);
}

.bg-light .stat-number,
.bg-light .data-number,
.bg-light .metric-number {
  color: var(--heading-dark);
}

.stat-label,
.data-label,
.metric-label {
  display: block;
  margin-top: 10px;
  color: var(--text-soft);
  font-size: 0.95rem;
}

/* ========================================
   Lists / Tags / Chips
======================================== */
.check-list,
.detail-list,
.feature-list,
.contact-list,
.footer-contact-list {
  display: grid;
  gap: 12px;
}

.check-list li,
.detail-list li,
.feature-list li {
  position: relative;
  padding-left: 24px;
  color: var(--text-muted);
}

.bg-light .check-list li,
.bg-light .detail-list li,
.bg-light .feature-list li {
  color: var(--body-dark);
}

.check-list li::before,
.detail-list li::before,
.feature-list li::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 999px;
}

.tag-row,
.filter-row,
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag,
.filter-chip,
.meta-chip,
.status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.9rem;
  font-weight: 500;
}

.bg-light .tag,
.bg-light .filter-chip,
.bg-light .meta-chip,
.bg-light .status-chip {
  border-color: rgba(10, 10, 10, 0.10);
  color: var(--body-dark);
  background: #F7F7F7;
}

.status-success {
  color: #BDF7CC;
  border-color: rgba(22, 163, 74, 0.35);
  background: rgba(22, 163, 74, 0.12);
}

.bg-light .status-success {
  color: var(--success);
  background: rgba(22, 163, 74, 0.08);
}

/* ========================================
   Tables
======================================== */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

th,
td {
  padding: 16px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

thead th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
}

tbody td {
  color: var(--text-muted);
}

tbody tr:last-child td {
  border-bottom: 0;
}

/* ========================================
   Image Placeholder
======================================== */
.image-placeholder {
  position: relative;
  width: 100%;
  min-height: 280px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background:
    linear-gradient(135deg, rgba(62, 106, 225, 0.16), rgba(255, 255, 255, 0.03)),
    linear-gradient(180deg, #1A1A1A 0%, #111111 100%);
  display: flex;
  align-items: flex-end;
  padding: 22px;
}

.image-placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.02) 0%, rgba(0, 0, 0, 0.45) 100%);
  pointer-events: none;
}

.image-placeholder-content {
  position: relative;
  z-index: 1;
  max-width: 72%;
}

.image-placeholder-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.image-placeholder-label::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 999px;
}

.image-placeholder-title {
  color: var(--white);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 600;
  line-height: 1.2;
}

.image-placeholder-subtitle {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.95rem;
}

.aspect-16-9 {
  aspect-ratio: 16 / 9;
}

.aspect-4-3 {
  aspect-ratio: 4 / 3;
}

.aspect-1-1 {
  aspect-ratio: 1 / 1;
  min-height: unset;
}

.aspect-tall {
  aspect-ratio: 4 / 5;
  min-height: unset;
}

/* ========================================
   Split / Showcase Layouts
======================================== */
.split-layout,
.showcase-grid,
.contact-grid,
.catalog-layout,
.detail-layout,
.story-grid,
.cta-grid {
  display: grid;
  gap: 32px;
}

.split-layout,
.showcase-grid,
.contact-grid,
.detail-layout,
.story-grid,
.cta-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.catalog-layout {
  grid-template-columns: 290px minmax(0, 1fr);
  align-items: start;
}

.panel-stack {
  display: grid;
  gap: 20px;
}

.content-box {
  padding: 32px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.bg-light .content-box {
  background: #FFFFFF;
  border-color: rgba(10, 10, 10, 0.10);
}

/* ========================================
   Timeline / Process
======================================== */
.timeline {
  position: relative;
  display: grid;
  gap: 22px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: rgba(62, 106, 225, 0.35);
}

.timeline-item {
  position: relative;
  padding: 24px 24px 24px 56px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 28px;
  width: 13px;
  height: 13px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(62, 106, 225, 0.14);
}

.timeline-year {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.process-step {
  position: relative;
  padding: 26px 20px 22px;
}

.step-index {
  margin-bottom: 18px;
}

/* ========================================
   Product / Catalog
======================================== */
.catalog-filter {
  position: sticky;
  top: calc(var(--header-height) + 20px);
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.filter-group + .filter-group {
  margin-top: 24px;
}

.filter-title {
  margin-bottom: 12px;
  font-size: 1rem;
  font-weight: 600;
}

.product-card .image-placeholder {
  min-height: 220px;
  margin-bottom: 22px;
}

.product-specs {
  display: grid;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.bg-light .product-specs {
  border-top-color: rgba(10, 10, 10, 0.10);
}

.product-specs li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.bg-light .product-specs li {
  color: var(--body-dark);
}

.product-specs strong {
  color: var(--white);
  font-weight: 600;
}

.bg-light .product-specs strong {
  color: var(--heading-dark);
}

/* ========================================
   FAQ / Accordion
======================================== */
.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item {
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 24px;
  color: var(--white);
  text-align: left;
  font-weight: 600;
}

.bg-light .faq-question {
  color: var(--heading-dark);
}

.faq-question span:last-child {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--accent);
  transition: transform var(--transition), border-color var(--transition);
}

.bg-light .faq-question span:last-child {
  border-color: rgba(10, 10, 10, 0.10);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.36s ease;
}

.faq-answer-inner {
  padding: 0 24px 24px;
}

.faq-item.is-open .faq-question span:last-child {
  transform: rotate(45deg);
  border-color: var(--accent);
}

/* ========================================
   Forms
======================================== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.form-group {
  display: grid;
  gap: 8px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
}

.bg-light label {
  color: var(--heading-dark);
}

input,
select,
textarea {
  width: 100%;
  min-height: 50px;
  padding: 13px 14px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--white);
  outline: none;
  transition: border-color var(--transition), background-color var(--transition);
}

.bg-light input,
.bg-light select,
.bg-light textarea {
  background: #FFFFFF;
  color: var(--heading-dark);
  border-color: rgba(10, 10, 10, 0.12);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.05);
}

.bg-light input:focus,
.bg-light select:focus,
.bg-light textarea:focus {
  background: #FFFFFF;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-soft);
}

.form-note {
  font-size: 0.92rem;
  color: var(--text-soft);
}

/* ========================================
   Contact / Map
======================================== */
.contact-card {
  padding: 28px;
}

.map-embed {
  width: 100%;
  min-height: 360px;
  border: 0;
  border-radius: var(--radius);
  filter: grayscale(100%) contrast(1.05);
}

/* ========================================
   CTA Band
======================================== */
.cta-band {
  padding: 34px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(62, 106, 225, 0.24);
  background:
    linear-gradient(135deg, rgba(62, 106, 225, 0.16), rgba(255, 255, 255, 0.03)),
    var(--surface);
}

.cta-band h2,
.cta-band h3 {
  max-width: 720px;
}

/* ========================================
   Footer
======================================== */
.site-footer {
  background: #090909;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 36px;
  padding: 60px 0 34px;
}

.footer-brand p {
  margin-top: 16px;
  max-width: 340px;
}

.footer-title {
  margin-bottom: 18px;
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
}

.footer-links,
.footer-contact-list {
  display: grid;
  gap: 12px;
}

.footer-links a,
.footer-contact-list a {
  color: var(--text-muted);
  transition: color var(--transition), transform var(--transition);
}

.footer-links a:hover,
.footer-contact-list a:hover {
  color: var(--white);
  transform: translateX(2px);
}

.footer-bottom {
  padding: 20px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-legal a,
.footer-copy {
  color: var(--text-soft);
  font-size: 0.92rem;
}

/* ========================================
   Reveal Animation
======================================== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Helpers for Inner Pages
======================================== */
.page-hero {
  padding: 74px 0 54px;
  background:
    radial-gradient(circle at top right, rgba(62, 106, 225, 0.14), transparent 24%),
    linear-gradient(180deg, #0A0A0A 0%, #121212 100%);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.7fr);
  gap: 32px;
  align-items: end;
}

.page-kicker {
  margin-bottom: 14px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--text-soft);
  font-size: 0.92rem;
  margin-bottom: 20px;
}

.breadcrumb a:hover {
  color: var(--white);
}

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

.logo-cloud {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.logo-item {
  min-height: 86px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.02);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bg-light .logo-item {
  border-color: rgba(10, 10, 10, 0.10);
  background: #F7F7F7;
  color: #666666;
}

/* ========================================
   Responsive
======================================== */
@media (max-width: 1180px) {
  .nav-list {
    gap: 2px;
  }

  .nav-link {
    padding-inline: 10px;
    font-size: 0.92rem;
  }

  .hero-grid,
  .page-hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .hero-title,
  .hero-text {
    max-width: none;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .footer-top > :first-child {
    grid-column: 1 / -1;
  }

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

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

@media (max-width: 980px) {
  :root {
    --header-height: 72px;
  }

  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3,
  .grid-2,
  .split-layout,
  .showcase-grid,
  .contact-grid,
  .detail-layout,
  .story-grid,
  .cta-grid,
  .catalog-layout,
  .hero-meta,
  .kpi-row {
    grid-template-columns: 1fr;
  }

  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .catalog-filter {
    position: static;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    padding: 12px 20px 18px;
    background: rgba(10, 10, 10, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition:
      opacity var(--transition),
      visibility var(--transition),
      transform var(--transition);
  }

  .site-header.nav-open .site-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-link,
  .nav-link.active {
    min-height: 46px;
    padding: 12px 14px;
    border-radius: 8px;
  }

  .nav-link.active::after {
    left: 14px;
    right: auto;
    bottom: 10px;
    width: 24px;
  }

  .nav-cta {
    margin-top: 14px;
  }

  .nav-cta .btn {
    width: 100%;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 760px) {
  .section {
    padding: 72px 0;
  }

  .section-sm {
    padding: 52px 0;
  }

  .section-lg {
    padding: 88px 0;
  }

  .container {
    width: min(100% - 28px, var(--container));
  }

  .grid-4,
  .logo-cloud,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    padding-top: 52px;
  }

  .hero {
    padding: 72px 0 60px;
  }

  .page-hero {
    padding: 62px 0 44px;
  }

  .card,
  .feature-card,
  .product-card,
  .resource-card,
  .article-card,
  .industry-card,
  .info-panel,
  .form-panel,
  .quote-box,
  .contact-card {
    padding: 22px;
  }

  .timeline-item {
    padding: 22px 18px 22px 50px;
  }

  .hero-meta {
    margin-top: 32px;
  }

  .image-placeholder {
    min-height: 220px;
    padding: 18px;
  }

  .image-placeholder-content {
    max-width: 88%;
  }

  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }

  .btn,
  button.btn {
    width: 100%;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 15px;
  }

  .brand-subtitle {
    display: none;
  }

  .header-inner {
    gap: 14px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 10px;
  }

  .hero-stat,
  .stat-card,
  .data-card,
  .case-metric,
  .spec-card {
    padding: 18px;
  }

  th,
  td {
    padding: 14px;
  }

  .footer-bottom-row,
  .footer-legal {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }
}

.image-placeholder {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
}

/* ͼƬÆÌÂú */
.image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ¸²¸Ç²ã */
.image-placeholder-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;

  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.7),
    rgba(0, 0, 0, 0)
  );

  color: white;
}