@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --lumos-orange: #f19129;
  --lumos-orange-strong: #ef8f12;
  --lumos-orange-soft: #f7be75;
  --lumos-orange-pale: #f9d4a4;
  --lumos-gray: #7d7d7d;
  --lumos-gray-light: #a0a0a0;
  --lumos-charcoal: #4a4a4a;
  --lumos-ink: #333333;
  --lumos-bg: #ffffff;
  --lumos-bg-soft: #f8f9fa;
  --lumos-bg-alt: #f2f3f5;
  --lumos-white: #ffffff;
  --lumos-border: rgba(0, 0, 0, 0.08);
  --radius: 18px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.1);
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
  color: var(--lumos-ink);
  background: var(--lumos-bg);
  font-family: "Inter", "Avenir Next", "DIN Alternate", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
  line-height: 1.6;
}

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

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

.container {
  width: min(calc(100% - 2.5rem), var(--container));
  margin: 0 auto;
}

/* ===================== HEADER ===================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--lumos-border);
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.site-header.header-transparent {
  background: rgba(255, 255, 255, 0.0);
  border-bottom-color: transparent;
  backdrop-filter: blur(4px);
}

.site-header.header-transparent .nav-links a {
  color: var(--lumos-gray);
}

.site-header.header-transparent .nav-links a:hover,
.site-header.header-transparent .nav-links a.active {
  color: var(--lumos-orange-strong);
  background: rgba(241, 145, 41, 0.1);
}

.site-header.header-transparent .lang-switch {
  border-color: rgba(241, 145, 41, 0.4);
  color: var(--lumos-orange-strong);
}

.site-header.header-transparent .menu-toggle {
  color: var(--lumos-charcoal);
  background: rgba(241, 145, 41, 0.1);
}

.site-header.header-scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 1.2rem;
}

.brand {
  width: clamp(150px, 18vw, 210px);
}

.nav-links {
  display: flex;
  gap: 1.2rem;
  align-items: center;
}

.nav-links a {
  font-weight: 600;
  color: var(--lumos-gray);
  padding: 0.35rem 0.55rem;
  border-radius: 8px;
  transition: all 0.25s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--lumos-orange-strong);
  background: rgba(241, 145, 41, 0.1);
}

.lang-switch {
  border: 1px solid rgba(241, 145, 41, 0.55);
  color: var(--lumos-orange-strong);
  padding: 0.36rem 0.68rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
}

.menu-toggle {
  display: none;
  border: 0;
  background: rgba(241, 145, 41, 0.1);
  color: var(--lumos-charcoal);
  width: 42px;
  height: 42px;
  border-radius: 10px;
  font-size: 1.2rem;
  cursor: pointer;
}

/* ===================== HERO ===================== */

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(7rem, 12vw, 10rem) 0 clamp(4rem, 8vw, 6rem);
  background: linear-gradient(160deg, #ffffff 0%, #fdf8f3 40%, #fef6ee 100%);
  color: var(--lumos-ink);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(241, 145, 41, 0.08), transparent 50%),
    radial-gradient(ellipse at 10% 80%, rgba(125, 125, 125, 0.04), transparent 50%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.3rem;
  align-items: center;
}

.kicker {
  display: inline-flex;
  padding: 0.35rem 0.88rem;
  background: rgba(241, 145, 41, 0.12);
  color: var(--lumos-orange-strong);
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

h1 {
  margin: 0.9rem 0 1rem;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.13;
  letter-spacing: 0.015em;
  color: var(--lumos-ink);
}

.lead {
  color: var(--lumos-gray);
  max-width: 62ch;
  font-size: 1.1rem;
  line-height: 1.7;
}

.hero-actions {
  margin-top: 1.8rem;
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}

/* ===================== BUTTONS ===================== */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  border-radius: 14px;
  padding: 0.85rem 1.6rem;
  font-size: 0.95rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
  border: none;
}

.button.primary {
  background: linear-gradient(135deg, var(--lumos-orange-strong), #f5a623);
  color: var(--lumos-white);
  box-shadow: 0 8px 28px rgba(241, 145, 41, 0.3);
}

.button.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(241, 145, 41, 0.4);
}

.button.ghost {
  border: 1px solid var(--lumos-border);
  background: var(--lumos-white);
  color: var(--lumos-charcoal);
}

.button.ghost:hover {
  transform: translateY(-3px);
  border-color: rgba(241, 145, 41, 0.3);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

/* ===================== SECTIONS ===================== */

main section {
  padding: 5rem 0;
}

.section-dark {
  background: var(--lumos-bg-soft);
  color: var(--lumos-ink);
}

.section-light {
  background: var(--lumos-bg);
  color: var(--lumos-ink);
}

.section-alt {
  background: var(--lumos-bg-alt);
  color: var(--lumos-ink);
}

.section-title {
  margin: 0;
  font-size: clamp(1.45rem, 3.5vw, 2.1rem);
  color: var(--lumos-ink);
}

.section-intro {
  margin: 0.7rem 0 0;
  color: var(--lumos-gray);
  max-width: 70ch;
}

.section-label {
  display: inline-flex;
  padding: 0.3rem 0.75rem;
  background: rgba(241, 145, 41, 0.1);
  color: var(--lumos-orange-strong);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header .section-title {
  margin-top: 0.5rem;
}

.section-header .section-intro {
  margin: 0.8rem auto 0;
}

/* ===================== INDUSTRY CARDS ===================== */

.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
  margin-top: 2rem;
}

.industry-card {
  background: var(--lumos-white);
  border: 1px solid var(--lumos-border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.industry-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--lumos-orange-strong), var(--lumos-orange-soft));
  opacity: 0;
  transition: opacity 0.4s ease;
}

.industry-card:hover {
  transform: translateY(-6px);
  border-color: rgba(241, 145, 41, 0.25);
  box-shadow: var(--shadow-hover);
}

.industry-card:hover::after {
  opacity: 1;
}

.industry-card .card-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.industry-card .card-cover {
  width: calc(100% + 3rem);
  margin: -2rem -1.5rem 1.2rem;
  border-radius: var(--radius) var(--radius) 0 0;
  height: 170px;
  object-fit: cover;
}

.industry-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.2rem;
  color: var(--lumos-ink);
}

.industry-card p {
  margin: 0 0 1rem;
  color: var(--lumos-gray);
  font-size: 0.92rem;
  line-height: 1.6;
}

.industry-card .tag {
  display: inline-flex;
  font-size: 0.78rem;
  color: var(--lumos-orange-strong);
  background: rgba(241, 145, 41, 0.08);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  font-weight: 600;
}

/* ===================== STATS BAR ===================== */

.stats-bar {
  background: linear-gradient(135deg, var(--lumos-orange-strong), #f5a623);
  padding: 3.5rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  text-align: center;
  color: #fff;
}

.stat-item .stat-number {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.stat-item .stat-label {
  margin-top: 0.4rem;
  font-size: 0.88rem;
  opacity: 0.9;
}

/* ===================== TECH STACK ===================== */

.tech-layers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.tech-layer {
  background: var(--lumos-white);
  border: 1px solid var(--lumos-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  box-shadow: var(--shadow);
}

.tech-layer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background: var(--lumos-orange);
  border-radius: 0 0 3px 3px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.tech-layer:hover {
  transform: translateY(-4px);
  border-color: rgba(241, 145, 41, 0.25);
  box-shadow: var(--shadow-hover);
}

.tech-layer:hover::before {
  opacity: 1;
}

.tech-layer .layer-icon {
  font-size: 1.8rem;
  margin-bottom: 0.8rem;
}

.tech-layer h4 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  color: var(--lumos-ink);
}

.tech-layer p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--lumos-gray);
  line-height: 1.5;
}

/* ===================== TIMELINE / STEPS ===================== */

.timeline {
  margin: 2rem 0 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.step {
  border: 1px solid var(--lumos-border);
  border-radius: 14px;
  background: var(--lumos-white);
  padding: 1.2rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.step:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.step .num {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: rgba(241, 145, 41, 0.12);
  color: var(--lumos-orange-strong);
  font-size: 0.85rem;
  font-weight: 800;
  display: grid;
  place-items: center;
}

.step .step-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.step h4 {
  margin: 0.65rem 0 0.35rem;
  color: var(--lumos-ink);
}

.step p {
  margin: 0;
  color: var(--lumos-gray);
  font-size: 0.94rem;
}

/* ===================== CTA BANNER ===================== */

.cta-banner {
  background: var(--lumos-bg-alt);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(241, 145, 41, 0.05), transparent 70%);
  pointer-events: none;
}

.cta-banner .section-title {
  color: var(--lumos-ink);
  position: relative;
}

.cta-banner .section-intro {
  color: var(--lumos-gray);
  margin: 0.8rem auto 2rem;
  position: relative;
}

.cta-banner .button {
  position: relative;
}

/* ===================== CARDS (Light) ===================== */

.card-grid {
  margin-top: 1.65rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card {
  background: var(--lumos-white);
  border: 1px solid var(--lumos-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.card p {
  margin: 0.65rem 0 0;
  color: var(--lumos-gray);
}

.card .tag {
  display: inline-flex;
  margin-top: 0.95rem;
  font-size: 0.8rem;
  color: var(--lumos-orange-strong);
  background: rgba(241, 145, 41, 0.08);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
}

.card .card-icon {
  font-size: 2rem;
  margin-bottom: 0.6rem;
}

/* ===================== SOLUTION PAGE ALTERNATING LAYOUT ===================== */

.solution-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 3rem 0;
}

.solution-block.reverse {
  direction: rtl;
}

.solution-block.reverse > * {
  direction: ltr;
}

.solution-content .solution-tag {
  display: inline-flex;
  padding: 0.25rem 0.65rem;
  background: rgba(241, 145, 41, 0.08);
  color: var(--lumos-orange-strong);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.solution-content h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  color: var(--lumos-ink);
}

.solution-content p {
  color: var(--lumos-gray);
  line-height: 1.7;
}

.solution-content .feature-list {
  list-style: none;
  padding: 0;
  margin: 1.2rem 0 0;
}

.solution-content .feature-list li {
  padding: 0.5rem 0;
  padding-left: 1.6rem;
  position: relative;
  color: var(--lumos-gray);
  font-size: 0.95rem;
}

.solution-content .feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lumos-orange);
}

.solution-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.solution-visual .visual-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--lumos-bg-soft);
  border: 1px solid var(--lumos-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  box-shadow: var(--shadow);
}

/* ===================== VALUES GRID ===================== */

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 2rem;
}

.value-card {
  background: var(--lumos-white);
  border: 1px solid var(--lumos-border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.value-card .value-icon {
  font-size: 2.4rem;
  margin-bottom: 1rem;
}

.value-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  color: var(--lumos-ink);
}

.value-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--lumos-gray);
  line-height: 1.6;
}

/* ===================== COOPERATION MODES ===================== */

.coop-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 2rem;
}

.coop-card {
  background: var(--lumos-white);
  border: 1px solid var(--lumos-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.coop-card:hover {
  transform: translateY(-3px);
  border-color: rgba(241, 145, 41, 0.25);
  box-shadow: var(--shadow-hover);
}

.coop-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  color: var(--lumos-ink);
}

.coop-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--lumos-gray);
  line-height: 1.6;
}

/* ===================== HERO CARD ===================== */

.hero-card {
  background: var(--lumos-white);
  border: 1px solid var(--lumos-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.hero-card .logo-box {
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(130deg, #fffaf4, #f5f6f8);
  border: 1px solid rgba(241, 145, 41, 0.12);
  padding: 1rem;
}

.hero-card .meta {
  margin-top: 1rem;
  font-size: 0.94rem;
  color: var(--lumos-gray);
}

/* ===================== BAND ===================== */

.band {
  background: linear-gradient(135deg, rgba(241, 145, 41, 0.92), #f4a945);
  color: var(--lumos-white);
}

.band .split {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: start;
}

.check-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  margin: 0.55rem 0;
  position: relative;
  padding-left: 1.35rem;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.22);
}

/* ===================== PANELS ===================== */

.panel {
  background: var(--lumos-white);
  border: 1px solid var(--lumos-border);
  border-radius: var(--radius);
  padding: 1.3rem;
  box-shadow: var(--shadow);
}

.two-col {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr 1fr;
}

.key-value {
  margin: 0;
}

.key-value dt {
  color: var(--lumos-gray);
  font-size: 0.92rem;
}

.key-value dd {
  margin: 0.2rem 0 1rem;
  font-weight: 600;
  color: var(--lumos-ink);
}

/* ===================== CONTACT ===================== */

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

form {
  display: grid;
  gap: 0.72rem;
}

label {
  font-weight: 600;
  font-size: 0.93rem;
  color: var(--lumos-charcoal);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 12px;
  padding: 0.7rem 0.78rem;
  font: inherit;
  background: var(--lumos-bg-soft);
}

textarea {
  min-height: 130px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(241, 145, 41, 0.7);
  box-shadow: 0 0 0 3px rgba(241, 145, 41, 0.15);
  background: #fff;
}

.form-feedback {
  font-size: 0.92rem;
  min-height: 1.3rem;
}

.form-feedback.ok {
  color: #2d7d2e;
}

.form-feedback.err {
  color: #bd3030;
}

/* Qualification info panel in contact page */
.qualification-info {
  margin-top: 1.5rem;
  padding: 1.2rem;
  background: rgba(241, 145, 41, 0.05);
  border: 1px solid rgba(241, 145, 41, 0.15);
  border-radius: 14px;
}

.qualification-info h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--lumos-orange-strong);
}

.qualification-info p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--lumos-gray);
  line-height: 1.6;
}

/* ===================== FOOTER ===================== */

.site-footer {
  padding: 3.5rem 0 2rem;
  background: var(--lumos-bg-soft);
  color: var(--lumos-ink);
  border-top: 1px solid var(--lumos-border);
}

.footer-content {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1.25fr 1.2fr;
  gap: 2rem;
}

.footer-col h4 {
  margin: 0 0 1rem;
  font-size: 1rem;
  color: var(--lumos-ink);
}

.footer-col p,
.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: var(--lumos-gray);
  margin-bottom: 0.5rem;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--lumos-orange);
}

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--lumos-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.mini {
  font-size: 0.86rem;
  color: var(--lumos-gray-light);
}

/* ===================== LEGAL PAGES ===================== */

.legal-wrap {
  width: min(100%, 920px);
  margin: 0 auto;
}

.legal-meta {
  margin-top: 0.8rem;
  color: var(--lumos-gray);
  font-size: 0.95rem;
}

.legal-nav-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.8rem;
}

.legal-nav-card {
  display: block;
  background: var(--lumos-white);
  border: 1px solid var(--lumos-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.legal-nav-card:hover {
  transform: translateY(-3px);
  border-color: rgba(241, 145, 41, 0.28);
  box-shadow: var(--shadow-hover);
}

.legal-nav-card h3 {
  margin: 0 0 0.45rem;
  color: var(--lumos-ink);
  font-size: 1.04rem;
}

.legal-nav-card p {
  margin: 0;
  color: var(--lumos-gray);
  font-size: 0.92rem;
}

.legal-document {
  background: var(--lumos-white);
  border: 1px solid var(--lumos-border);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: var(--shadow);
}

.legal-document h2 {
  margin: 2rem 0 0.65rem;
  font-size: 1.24rem;
  color: var(--lumos-ink);
}

.legal-document h2:first-child {
  margin-top: 0;
}

.legal-document p,
.legal-document li {
  color: var(--lumos-gray);
  font-size: 0.96rem;
}

.legal-document ul,
.legal-document ol {
  padding-left: 1.25rem;
  margin: 0.7rem 0 0;
}

.legal-document a,
.legal-meta a {
  color: var(--lumos-orange-strong);
  font-weight: 600;
}

.policy-note {
  margin: 1.2rem 0;
  padding: 1rem;
  border-radius: 14px;
  background: rgba(241, 145, 41, 0.08);
  border: 1px solid rgba(241, 145, 41, 0.16);
  color: var(--lumos-charcoal);
}

/* ===================== PARTICLE CANVAS ===================== */

#particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
}

/* ===================== ANIMATIONS ===================== */

.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  opacity: 0;
  transition: opacity 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
}

.slide-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

.stagger > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ===================== 404 PAGE ===================== */

.page-404 {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--lumos-bg-soft);
  color: var(--lumos-ink);
}

.page-404 .error-code {
  font-size: clamp(5rem, 15vw, 10rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--lumos-orange), var(--lumos-orange-soft));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 1rem;
}

/* ===================== RESPONSIVE ===================== */

@media (max-width: 980px) {
  .hero-grid,
  .band .split,
  .contact-wrap,
  .two-col,
  .solution-block,
  .solution-block.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .card-grid,
  .timeline,
  .industry-grid,
  .tech-layers,
  .values-grid,
  .coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

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

  .legal-nav-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-grid;
    place-items: center;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 74px;
    right: 1rem;
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--lumos-border);
    box-shadow: var(--shadow-hover);
    flex-direction: column;
    width: min(88vw, 260px);
    align-items: stretch;
    gap: 0.3rem;
    padding: 0.6rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a,
  .lang-switch {
    width: 100%;
    text-align: left;
  }

  .card-grid,
  .timeline,
  .industry-grid,
  .tech-layers,
  .values-grid,
  .coop-grid {
    grid-template-columns: 1fr;
  }

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

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

  main section {
    padding: 3.5rem 0;
  }

  .hero {
    padding: clamp(6rem, 10vw, 8rem) 0 clamp(3rem, 6vw, 4.5rem);
  }
}