:root {
  --pink: #e040a0;
  --purple: #7c3aed;
  --violet: #9333ea;
  --blue: #3b82f6;
  --cyan: #22d3ee;
  --gradient-brand: linear-gradient(135deg, var(--pink) 0%, var(--purple) 45%, var(--cyan) 100%);
  --gradient-text: linear-gradient(90deg, #f472b6 0%, #a78bfa 40%, #60a5fa 70%, #22d3ee 100%);
  --radius: 16px;
  --radius-lg: 24px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --nav-height: 72px;
}

[data-theme="light"] {
  --bg: #f1f5f9;
  --bg-elevated: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.92);
  --text: #0f172a;
  --text-muted: #475569;
  --text-subtle: #64748b;
  --border: rgba(15, 23, 42, 0.08);
  --border-glow: rgba(59, 130, 246, 0.35);
  --shadow-glow: 0 0 80px rgba(59, 130, 246, 0.12);
  --hero-text: #0f172a;
  --hero-text-muted: #334155;
  --surface-light: rgba(255, 255, 255, 0.85);
  --surface-border: rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] {
  --bg: #050508;
  --bg-elevated: #0c0c14;
  --bg-card: rgba(255, 255, 255, 0.03);
  --text: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.65);
  --text-subtle: rgba(255, 255, 255, 0.45);
  --border: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(124, 58, 237, 0.35);
  --shadow-glow: 0 0 80px rgba(124, 58, 237, 0.15);
  --hero-text: #ffffff;
  --hero-text-muted: rgba(255, 255, 255, 0.7);
  --surface-light: rgba(255, 255, 255, 0.05);
  --surface-border: rgba(255, 255, 255, 0.1);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(124, 58, 237, 0.25), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(34, 211, 238, 0.08), transparent),
    radial-gradient(ellipse 50% 30% at 10% 80%, rgba(224, 64, 160, 0.08), transparent);
  pointer-events: none;
  z-index: 0;
}

[data-theme="light"] body::before,
body.light-page[data-theme="light"]::before {
  display: none;
}

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

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

.container {
  width: min(1200px, 100% - 48px);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  background: rgba(5, 5, 8, 0.75);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 100%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
  margin: 0 0 0 auto;
  padding: 0;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--text); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.lang-switch {
  display: flex;
  padding: 3px;
  border-radius: 10px;
  background: var(--surface-light);
  border: 1px solid var(--surface-border);
}

.lang-btn {
  padding: 6px 10px;
  border: none;
  border-radius: 7px;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.lang-btn.active {
  background: var(--gradient-brand);
  color: #fff;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--surface-border);
  background: var(--surface-light);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}

.theme-toggle:hover {
  border-color: var(--border-glow);
  transform: translateY(-1px);
}

[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
  text-decoration: none;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 4px 24px rgba(124, 58, 237, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-glow);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

/* ── Light page nav (hero / contact) ── */
[data-theme="light"] body.light-page .nav {
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(59, 130, 246, 0.12);
}

[data-theme="light"] body.light-page .nav-links a:not(.btn) {
  color: #475569;
}

[data-theme="light"] body.light-page .nav-links a:not(.btn):hover,
[data-theme="light"] body.light-page .nav-links a:not(.btn).active {
  color: #0f172a;
}

[data-theme="light"] body.light-page .nav-toggle {
  color: #0f172a;
}

body.light-page .nav-logo img {
  height: 56px;
}

[data-theme="light"] body.light-page .nav-links.open {
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid rgba(59, 130, 246, 0.12);
}

[data-theme="light"] body.light-page .btn-secondary {
  background: rgba(255, 255, 255, 0.7);
  color: #1e40af;
  border: 1px solid rgba(59, 130, 246, 0.35);
}

[data-theme="light"] body.light-page .btn-secondary:hover {
  background: #fff;
  border-color: rgba(59, 130, 246, 0.55);
}

[data-theme="dark"] body.light-page .nav {
  background: rgba(5, 5, 8, 0.85);
  border-bottom: 1px solid var(--border);
}

[data-theme="dark"] body.light-page .nav-links.open {
  background: rgba(5, 5, 8, 0.98);
}

/* ── Shared light blue gradient ── */
.light-gradient-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    165deg,
    #ffffff 0%,
    #ffffff 40%,
    #f8fbff 62%,
    #eff6ff 80%,
    #dbeafe 100%
  );
  z-index: 0;
}

.light-gradient-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 45% at 50% 0%, rgba(255, 255, 255, 0.5), transparent 62%),
    radial-gradient(ellipse 45% 40% at 95% 80%, rgba(191, 219, 254, 0.35), transparent 55%);
  pointer-events: none;
}

[data-theme="dark"] .light-gradient-bg {
  background: linear-gradient(
    165deg,
    #050508 0%,
    #0a1020 30%,
    #0f172a 55%,
    #1e1b4b 80%,
    #172554 100%
  );
}

[data-theme="dark"] .light-gradient-bg::after {
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(124, 58, 237, 0.18), transparent 60%),
    radial-gradient(ellipse 50% 40% at 90% 40%, rgba(34, 211, 238, 0.08), transparent 55%);
}

.page-light {
  position: relative;
  overflow: hidden;
}

.page-light .page-hero,
.page-light .contact-layout {
  position: relative;
  z-index: 1;
}

/* ── Hero ── */
.hero {
  position: relative;
  padding: calc(var(--nav-height) + 48px) 0 100px;
  text-align: center;
  overflow: hidden;
}

.hero .light-gradient-bg,
.hero .hero-bg {
  position: absolute;
  inset: 0;
}

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

.hero-logo {
  margin-bottom: 36px;
}

.hero-logo img {
  width: min(680px, 95vw);
  height: auto;
  margin: 0 auto;
  filter: drop-shadow(0 16px 48px rgba(59, 130, 246, 0.3));
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--surface-light);
  border: 1px solid var(--surface-border);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}

[data-theme="light"] .hero-badge {
  color: #4338ca;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 24px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: var(--hero-text);
}

.hero h1 .gradient-text,
.page-hero h1 .gradient-text {
  display: block;
  margin-top: 0.08em;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--hero-text-muted);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 64px;
}

.hero-visual {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.hero-glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

.hero-card {
  position: relative;
  background: var(--surface-light);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-glow);
}

[data-theme="light"] .hero-card {
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.12);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.stat-item {
  text-align: center;
  padding: 20px;
  border-radius: var(--radius);
  background: var(--surface-light);
  border: 1px solid var(--surface-border);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-subtle);
  margin-top: 4px;
}

/* ── Sections ── */
section { padding: 100px 0; }

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  line-height: 1.15;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin: 0;
}

/* ── Feature Cards ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.25);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 12px;
}

.feature-card p {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ── Process Steps ── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  counter-reset: step;
}

.process-step {
  position: relative;
  padding: 32px 24px;
  text-align: center;
}

.process-step::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  border-radius: 50%;
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--gradient-brand);
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}

.process-step h3 {
  font-size: 1.15rem;
  margin: 0 0 10px;
}

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

/* ── Use Cases ── */
.use-cases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.use-case {
  padding: 28px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.08) 0%, rgba(34, 211, 238, 0.05) 100%);
  border: 1px solid var(--border);
  transition: border-color 0.3s;
}

.use-case:hover { border-color: var(--border-glow); }

.use-case-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(34, 211, 238, 0.12);
  color: var(--cyan);
  margin-bottom: 12px;
}

.use-case h3 {
  font-size: 1.1rem;
  margin: 0 0 8px;
}

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

/* ── CTA Banner ── */
.cta-banner {
  padding: 80px 48px;
  border-radius: var(--radius-lg);
  text-align: center;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15) 0%, rgba(34, 211, 238, 0.08) 100%);
  border: 1px solid var(--border-glow);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(124, 58, 237, 0.2), transparent 60%);
  pointer-events: none;
}

.cta-banner h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin: 0 0 16px;
  position: relative;
}

.cta-banner p {
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 32px;
  position: relative;
}

/* ── Footer ── */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand img { height: 36px; margin-bottom: 16px; }

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 320px;
  margin: 0;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-subtle);
  margin: 0 0 16px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li { margin-bottom: 10px; }

.footer-col a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-subtle);
}

/* ── Contact Page ── */
.page-hero {
  padding: calc(var(--nav-height) + 60px) 0 40px;
  text-align: center;
}

body.light-page .page-hero h1,
[data-theme="light"] body.light-page .page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 16px;
  color: var(--hero-text);
}

body.light-page .page-hero p,
[data-theme="light"] body.light-page .page-hero p {
  color: var(--hero-text-muted);
  max-width: 560px;
  margin: 0 auto;
  font-size: 1.1rem;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 16px;
}

.page-hero p {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
  font-size: 1.1rem;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 100px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.info-card {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.info-card h3 {
  font-size: 1rem;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.info-card p {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.95rem;
}

.info-card a {
  color: var(--cyan);
  transition: opacity 0.2s;
}

.info-card a:hover { opacity: 0.8; }

body.light-page .info-card,
[data-theme="light"] body.light-page .info-card {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(59, 130, 246, 0.22);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.08);
}

[data-theme="dark"] body.light-page .info-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  box-shadow: none;
}

body.light-page .info-card h3,
[data-theme="light"] body.light-page .info-card h3 {
  color: var(--hero-text);
}

body.light-page .info-card p,
[data-theme="light"] body.light-page .info-card p {
  color: var(--text-muted);
}

body.light-page .info-card a {
  color: #2563eb;
}

[data-theme="dark"] body.light-page .info-card a {
  color: var(--cyan);
}

.contact-form-wrap {
  padding: 40px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.contact-form-wrap h2 {
  font-size: 1.5rem;
  margin: 0 0 8px;
}

.contact-form-wrap > p {
  color: var(--text-muted);
  margin: 0 0 32px;
  font-size: 0.95rem;
}

body.light-page .contact-form-wrap,
[data-theme="light"] body.light-page .contact-form-wrap {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(59, 130, 246, 0.22);
  box-shadow: 0 16px 48px rgba(59, 130, 246, 0.12);
}

[data-theme="dark"] body.light-page .contact-form-wrap {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-glow);
}

body.light-page .contact-form-wrap h2 {
  color: var(--hero-text);
}

body.light-page .contact-form-wrap > p {
  color: var(--hero-text-muted);
}

[data-theme="light"] body.light-page .form-group label {
  color: #475569;
}

[data-theme="light"] body.light-page .form-group input,
[data-theme="light"] body.light-page .form-group textarea {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(59, 130, 246, 0.28);
  color: #0f172a;
}

[data-theme="light"] body.light-page .form-group input::placeholder,
[data-theme="light"] body.light-page .form-group textarea::placeholder {
  color: #94a3b8;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-subtle);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-submit {
  width: 100%;
  margin-top: 8px;
}

.form-success {
  display: none;
  padding: 20px;
  border-radius: var(--radius);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.3);
  color: var(--cyan);
  text-align: center;
  margin-top: 20px;
}

.form-success.visible { display: block; }

/* ── Products Page ── */
.products-section {
  position: relative;
  z-index: 1;
  padding-bottom: 100px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
  max-width: 720px;
  margin: 0 auto;
}

.product-card {
  padding: 36px;
  border-radius: var(--radius-lg);
  background: var(--surface-light);
  border: 1px solid var(--surface-border);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-glow);
  transition: border-color 0.3s, transform 0.3s;
}

[data-theme="light"] .product-card {
  box-shadow: 0 16px 48px rgba(59, 130, 246, 0.1);
}

.product-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
}

.product-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.product-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.25);
}

.product-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  background: rgba(34, 211, 238, 0.12);
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.product-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 14px;
  color: var(--hero-text);
  line-height: 1.25;
}

.product-desc {
  color: var(--hero-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin: 0 0 24px;
}

.product-features {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.product-features li {
  position: relative;
  padding-left: 26px;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.product-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}

.products-note {
  text-align: center;
  margin-top: 48px;
  color: var(--text-subtle);
  font-size: 0.95rem;
  font-style: italic;
}

/* ── Animations ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ── Responsive ── */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-inner {
    flex-wrap: wrap;
    gap: 8px;
  }

  .nav-controls {
    order: 2;
    margin-left: 0;
    margin-right: auto;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg-elevated);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
  }

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

  .nav-links li { width: 100%; }

  .nav-links a {
    display: block;
    padding: 14px 24px;
  }

  .nav-toggle { display: block; }

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

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

  .cta-banner { padding: 48px 24px; }

  [data-theme="light"] body.light-page .nav-links.open {
    background: rgba(255, 255, 255, 0.98);
  }

  [data-theme="dark"] body.light-page .nav-links.open {
    background: rgba(5, 5, 8, 0.98);
  }

  section { padding: 64px 0; }
}