/* ============================================================
   NexTune CryGen200 – Main Stylesheet
   Design: Dark tech / AI aesthetic with cyan accent
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-bg: #0a0e1a;
  --color-bg-2: #0d1224;
  --color-bg-3: #111827;
  --color-surface: #141c2e;
  --color-surface-2: #1a2540;
  --color-border: rgba(255,255,255,0.08);
  --color-border-2: rgba(0,212,255,0.2);

  --color-accent: #00d4ff;
  --color-accent-2: #0099cc;
  --color-accent-glow: rgba(0,212,255,0.15);

  --color-text: #e8edf5;
  --color-text-muted: #8b9ab5;
  --color-text-light: #c4cfe0;

  --color-white: #ffffff;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(0,212,255,0.12);
  --shadow-glow-strong: 0 0 60px rgba(0,212,255,0.25);

  --transition: 0.25s ease;
  --transition-slow: 0.4s ease;

  --container-max: 1200px;
  --container-pad: clamp(1rem, 5vw, 2rem);

  --nav-height: 72px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-white); }
button { cursor: pointer; font-family: inherit; }
ul { list-style: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-white);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }

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

/* ---------- Layout Utilities ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header--light h2,
.section-header--light .section-desc { color: var(--color-white); }
.section-header--light .section-desc { color: rgba(255,255,255,0.7); }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-glow);
  border: 1px solid var(--color-border-2);
  border-radius: 100px;
  padding: 0.3rem 1rem;
  margin-bottom: 1rem;
}

.section-desc {
  max-width: 600px;
  margin: 0.75rem auto 0;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  color: var(--color-bg);
  box-shadow: 0 4px 20px rgba(0,212,255,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,212,255,0.45);
  color: var(--color-bg);
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}
.btn-secondary:hover {
  background: var(--color-accent-glow);
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-nav {
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}
.btn-nav:hover { background: var(--color-white); color: var(--color-bg); }

.btn-full { width: 100%; }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(10,14,26,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo { text-decoration: none; }

.logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-white);
}
.logo-accent { color: var(--color-accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links li a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-links li a:hover { color: var(--color-white); background: rgba(255,255,255,0.06); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.5rem;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-height) + 2rem) 0 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(0,212,255,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(0,80,160,0.08) 0%, transparent 50%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-2) 100%);
  z-index: 0;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(0,212,255,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.4;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid var(--color-border-2);
  border-radius: 100px;
  padding: 0.3rem 1rem;
  margin-bottom: 1.25rem;
  background: var(--color-accent-glow);
}

.hero-title {
  display: flex;
  flex-direction: column;
  margin-bottom: 0.75rem;
}
.hero-title-main {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.hero-title-sub {
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 0.5rem;
  -webkit-text-fill-color: initial;
}

.hero-tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 500px;
  margin-bottom: 2rem;
}
.hero-desc strong { color: var(--color-accent); }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.stat-item { text-align: center; }
.stat-value {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-image-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-img {
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-glow-strong), 0 20px 60px rgba(0,0,0,0.5);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 1;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(45deg);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(4px); }
}

/* ---------- Features Section ---------- */
.features {
  padding: 6rem 0;
  background: var(--color-bg-3);
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.3;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  border-color: var(--color-border-2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 52px;
  height: 52px;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
  background: var(--color-accent-glow);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  border: 1px solid var(--color-border-2);
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--color-white);
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.feature-card p strong { color: var(--color-accent); font-weight: 600; }

/* ---------- Showcase Section ---------- */
.showcase {
  padding: 6rem 0;
  background: var(--color-bg);
}

.showcase-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.showcase-image img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-glow), var(--shadow-card);
  border: 1px solid var(--color-border);
}

.showcase-content .section-label { text-align: left; display: inline-block; }
.showcase-content h2 { margin-bottom: 1.25rem; }
.showcase-content p { margin-bottom: 1rem; color: var(--color-text-muted); }

.showcase-list {
  margin: 1.5rem 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.showcase-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.check-icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ---------- Specifications Section ---------- */
.specs {
  padding: 6rem 0;
  position: relative;
  background: var(--color-bg-2);
  overflow: hidden;
}

.specs-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/aiweb200_specs_bg.png');
  background-size: cover;
  background-position: center;
  opacity: 0.04;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  position: relative;
  z-index: 1;
}

.specs-table-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.specs-table-title {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  padding: 1rem 1.5rem;
  background: rgba(0,212,255,0.05);
  border-bottom: 1px solid var(--color-border);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.specs-table thead th {
  padding: 0.75rem 1.5rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--color-border);
}

.specs-table tbody tr {
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background var(--transition);
}
.specs-table tbody tr:last-child { border-bottom: none; }
.specs-table tbody tr:hover { background: rgba(0,212,255,0.03); }

.specs-table td {
  padding: 0.75rem 1.5rem;
  vertical-align: top;
}

.specs-table td:first-child {
  color: var(--color-text-muted);
  font-weight: 500;
  width: 45%;
}

.specs-table td:last-child {
  color: var(--color-text);
  font-weight: 500;
}

/* ---------- Use Cases Section ---------- */
.usecases {
  padding: 6rem 0;
  background: var(--color-bg-3);
}

.usecases-image-wrap {
  margin-bottom: 3rem;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}

.usecases-image-wrap img {
  width: 100%;
  height: auto;
}

.usecases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.usecase-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition-slow);
}

.usecase-card:hover {
  border-color: var(--color-border-2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.usecase-num {
  font-size: 2rem;
  font-weight: 900;
  color: rgba(0,212,255,0.15);
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.usecase-card h3 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
  color: var(--color-white);
}

.usecase-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ---------- Interfaces Section ---------- */
.interfaces {
  padding: 6rem 0;
  background: var(--color-bg);
}

.interfaces-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.interface-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1rem;
  gap: 0.5rem;
  transition: all var(--transition);
}

.interface-item:hover {
  border-color: var(--color-border-2);
  background: var(--color-surface-2);
  box-shadow: var(--shadow-glow);
}

.interface-icon {
  width: 40px;
  height: 40px;
  color: var(--color-accent);
}

.interface-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-white);
}

.interface-detail {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ---------- FAQ Section ---------- */
.faq {
  padding: 6rem 0;
  background: var(--color-bg-2);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item:hover { border-color: var(--color-border-2); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  transition: color var(--transition);
}

.faq-question:hover { color: var(--color-accent); }

.faq-arrow {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-question[aria-expanded="true"] .faq-arrow {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq-answer {
  padding: 0 1.5rem 1.25rem;
  border-top: 1px solid var(--color-border);
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  padding-top: 1rem;
}

/* ---------- Contact Section ---------- */
.contact {
  padding: 6rem 0;
  background: var(--color-bg-3);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.3;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-content .section-label { display: inline-block; }
.contact-content h2 { margin: 0.5rem 0 1rem; }
.contact-content p { color: var(--color-text-muted); margin-bottom: 2rem; }

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

.contact-info li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.contact-info svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.form-group label span { color: var(--color-accent); }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%238b9ab5'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-group select option { background: var(--color-bg-3); }

.form-group textarea { resize: vertical; min-height: 100px; }

.form-note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: -0.5rem;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  padding: 4rem var(--container-pad) 3rem;
}

.footer-brand .logo-text { font-size: 1.3rem; display: block; margin-bottom: 0.75rem; }
.footer-brand p { font-size: 0.875rem; color: var(--color-text-muted); max-width: 260px; }

.footer-company {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  margin-top: 1rem;
  max-width: 260px;
}

.footer-address {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-top: 0.35rem;
  max-width: 260px;
}

/* Social Media Icons */
.social-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all var(--transition);
  text-decoration: none;
}

.social-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.social-link:hover {
  background: var(--color-accent-glow);
  border-color: var(--color-border-2);
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,212,255,0.15);
}

.footer-nav { display: contents; }

.footer-nav-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.footer-nav-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-nav-col a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.footer-nav-col a:hover { color: var(--color-accent); }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem var(--container-pad);
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-seo-text {
  font-size: 0.7rem !important;
  color: rgba(139,154,181,0.4) !important;
}

/* Contact section company block */
.contact-company {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.contact-company .company-name {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
  margin-bottom: 0.25rem;
}

.contact-company .company-reg {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .usecases-grid { grid-template-columns: repeat(2, 1fr); }
  .interfaces-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-bg-3);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 1rem;
    gap: 0.25rem;
  }

  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links li a { display: block; padding: 0.75rem 1rem; }

  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-image-wrap { order: -1; }
  .hero-img { max-width: 380px; margin: 0 auto; }
  .hero-stats { justify-content: center; }
  .hero-cta { justify-content: center; }
  .hero-desc { margin: 0 auto 2rem; }

  .showcase-inner { grid-template-columns: 1fr; }
  .showcase-content .section-label { display: inline-block; }

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

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

  .contact-inner { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .usecases-grid { grid-template-columns: 1fr; }
  .interfaces-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { gap: 1rem; }
  .stat-divider { display: none; }
  .contact-form { padding: 1.5rem; }
}

/* ---------- Accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Scroll Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}