/* ================================================
   ZEPTRIXA ELECTRONICS – Premium Dark Theme
   ================================================ */

/* --- Design Tokens --- */
:root {
  --bg-primary: #06070a;
  --bg-secondary: #0d0e12;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(0, 255, 204, 0.15);

  --cyan: #00ffcc;
  --cyan-dim: rgba(0, 255, 204, 0.15);
  --violet: #7000ff;
  --violet-dim: rgba(112, 0, 255, 0.15);
  --gradient-main: linear-gradient(135deg, #00ffcc 0%, #7000ff 100%);

  --text-primary: #eaedf3;
  --text-secondary: #8a90a0;
  --text-muted: #555a6a;

  --font-heading: 'Outfit', system-ui, sans-serif;
  --font-body: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-glow: 0 0 40px rgba(0, 255, 204, 0.08);
  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.4);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* --- Container --- */
.container { width: min(92%, 1280px); margin: 0 auto; padding: 0 1rem; }

/* --- Ambient Background Glows --- */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}
.glow-1 { width: 600px; height: 600px; background: var(--cyan-dim); top: -200px; left: -150px; }
.glow-2 { width: 500px; height: 500px; background: var(--violet-dim); bottom: 10%; right: -100px; }
.glow-3 { width: 400px; height: 400px; background: var(--cyan-dim); top: 50%; left: 40%; opacity: 0.15; }

/* ================================================
   HEADER
   ================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(6, 7, 10, 0.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.6rem 0;
  transition: background var(--transition-fast);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-svg { transition: transform var(--transition-smooth); }
.logo:hover .logo-svg { transform: scale(1.03); }

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  z-index: 1001;
}
.mobile-nav-toggle .bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}
.mobile-nav-toggle.active .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-nav-toggle.active .bar:nth-child(2) { opacity: 0; }
.mobile-nav-toggle.active .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Nav */
.nav ul {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.nav-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 2px;
  background: var(--cyan);
  border-radius: 2px;
}
.nav-btn {
  background: var(--gradient-main) !important;
  color: #000 !important;
  font-weight: 700 !important;
  padding: 0.5rem 1.3rem !important;
  border-radius: var(--radius-sm) !important;
}
.nav-btn:hover { opacity: 0.9; transform: translateY(-1px); }

/* ================================================
   HERO SECTION
   ================================================ */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 6rem 0 4rem;
  overflow: hidden;
  z-index: 1;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 100%);
  z-index: 0;
}
.hero-inner-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(0, 255, 204, 0.06);
  border: 1px solid var(--border-accent);
  padding: 0.35rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
  font-size: 0.8rem;
  color: var(--cyan);
  font-weight: 600;
  letter-spacing: 0.5px;
}
.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 255, 204, 0.5); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(0, 255, 204, 0); }
}
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}
.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.8;
}
.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.btn-primary {
  background: var(--gradient-main);
  color: #000;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0, 255, 204, 0.25); }
.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(255,255,255,0.12); }

/* Hero Graphics – Chip Card */
.hero-graphics-container { display: flex; justify-content: center; }
.interactive-chip-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.chip-svg { opacity: 0.9; }
.circuit-traces path {
  stroke-dasharray: 300;
  stroke-dashoffset: 300;
  animation: draw-trace 3s ease-out forwards;
}
@keyframes draw-trace {
  to { stroke-dashoffset: 0; }
}
.circuit-nodes circle { animation: node-pulse 2.5s ease-in-out infinite alternate; }
@keyframes node-pulse {
  0% { opacity: 0.5; r: 2; }
  100% { opacity: 1; r: 4; }
}
.soc-unit { animation: soc-float 4s ease-in-out infinite alternate; }
@keyframes soc-float {
  0% { transform: translate(160px, 162px); }
  100% { transform: translate(160px, 158px); }
}
.metrics-overlay {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  gap: 0.8rem;
}
.metric-badge {
  flex: 1;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.8rem;
  text-align: center;
}
.metric-num { display: block; font-family: var(--font-heading); font-size: 1.3rem; font-weight: 700; color: var(--cyan); }
.metric-lbl { display: block; font-size: 0.68rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-top: 2px; }

/* ================================================
   STATS STRIPE
   ================================================ */
.stats-stripe {
  position: relative;
  z-index: 1;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 2rem 0;
}
.stats-stripe-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}
.stat-box { text-align: center; }
.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { display: block; font-size: 0.78rem; color: var(--text-muted); margin-top: 0.25rem; text-transform: uppercase; letter-spacing: 1px; }
.stat-divider { width: 1px; height: 40px; background: var(--border-subtle); }

/* ================================================
   GENERIC SECTION STYLES
   ================================================ */
.section { position: relative; z-index: 1; padding: 5rem 0; }
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--cyan);
  margin-bottom: 0.8rem;
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}
.section-subtitle {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 3rem;
  font-size: 1rem;
}
.text-center-wrapper { text-align: center; margin-bottom: 3rem; }
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}
.align-center { align-items: center; }

/* ================================================
   ABOUT SECTION
   ================================================ */
.about-section { background: var(--bg-primary); }
.about-visual { display: flex; flex-direction: column; gap: 1.5rem; }
.visual-accent-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: border-color var(--transition-fast);
}
.visual-accent-box:hover { border-color: var(--border-accent); }
.visual-accent-box h4 { font-family: var(--font-heading); font-weight: 700; margin: 1rem 0 0.4rem; }
.visual-accent-box p { font-size: 0.88rem; color: var(--text-secondary); }
.visual-image-placeholder {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
}
.about-text-wrapper { display: flex; flex-direction: column; justify-content: center; }
.about-pitch { color: var(--text-secondary); margin-bottom: 1rem; font-size: 0.95rem; }

.bullet-highlights { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.8rem; }
.bullet-highlights li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
}
.bullet-highlights svg { flex-shrink: 0; }

/* ================================================
   SERVICES SECTION
   ================================================ */
.services-section { background: var(--bg-secondary); }
.service-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.premium-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  transition: transform var(--transition-spring), border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.premium-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}
.card-icon-container {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cyan-dim);
  border-radius: var(--radius-sm);
  margin-bottom: 1.2rem;
}
.card-icon { width: 24px; height: 24px; color: var(--cyan); }
.premium-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.premium-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 1rem; }
.card-features {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.card-features li {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding-left: 1rem;
  position: relative;
}
.card-features li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}

/* ================================================
   CAPABILITIES SECTION
   ================================================ */
.capabilities-section { background: var(--bg-primary); }
.capabilities-desc { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 2rem; }

/* Accordion */
.accordion-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 0.6rem;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.accordion-item.active { border-color: var(--border-accent); }
.accordion-trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.2rem;
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-card);
  transition: background var(--transition-fast);
}
.accordion-trigger:hover { background: var(--bg-card-hover); }
.accordion-indicator {
  font-size: 1.2rem;
  color: var(--cyan);
  transition: transform var(--transition-fast);
}
.accordion-item.active .accordion-indicator { transform: rotate(45deg); }
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth), padding var(--transition-smooth);
}
.accordion-item.active .accordion-content {
  max-height: 200px;
  padding: 0 1.2rem 1rem;
}
.accordion-content p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; }

/* Schematic Board */
.schematic-board {
  background: #0b0c10;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.schematic-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.7rem 1rem;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border-subtle);
}
.dot-red, .dot-yellow, .dot-green { width: 10px; height: 10px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28c840; }
.schematic-title { font-size: 0.72rem; color: var(--text-muted); margin-left: 8px; font-family: monospace; }

.schematic-grid-body {
  padding: 1.5rem;
  position: relative;
  min-height: 200px;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* Animated Signal Lines */
.signal-line {
  height: 2px;
  border-radius: 1px;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}
.wave-1 {
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  animation: signal-sweep 2.5s ease-in-out infinite;
}
.wave-2 {
  background: linear-gradient(90deg, transparent, var(--violet), transparent);
  animation: signal-sweep 3s ease-in-out 0.5s infinite;
}
@keyframes signal-sweep {
  0% { opacity: 0.3; transform: scaleX(0.3) translateX(-100%); }
  50% { opacity: 1; transform: scaleX(1) translateX(0); }
  100% { opacity: 0.3; transform: scaleX(0.3) translateX(100%); }
}

.readout-box {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}
.readout-col { display: flex; flex-direction: column; }
.readout-col .lbl { font-size: 0.65rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; font-family: monospace; }
.readout-col .val { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 700; color: var(--text-primary); margin-top: 0.2rem; }
.readout-col .val.text-cyan { color: var(--cyan); }
.readout-col .val.pulse-text { animation: value-pulse 2s ease-in-out infinite alternate; }
@keyframes value-pulse {
  0% { color: var(--text-primary); }
  100% { color: var(--cyan); }
}

/* ================================================
   CONTACT SECTION
   ================================================ */
.contact-section { background: var(--bg-secondary); }
.contact-desc { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 1.5rem; }

.contact-card-list { display: flex; flex-direction: column; gap: 0.8rem; margin-bottom: 1.5rem; }
.glass-info-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}
.glass-info-card:hover { border-color: var(--border-accent); transform: translateX(4px); }
.info-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cyan-dim);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.info-content h5 {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.2rem;
}
.info-content p { font-size: 0.88rem; color: var(--text-secondary); }
.info-content a { color: var(--cyan); transition: opacity var(--transition-fast); }
.info-content a:hover { opacity: 0.8; }

/* Map */
.map-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
}
.dark-map {
  border: 0;
  display: block;
  filter: brightness(0.7) contrast(1.1) saturate(0.4) invert(0.92) hue-rotate(180deg);
}

/* Contact Form */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-card);
}
.form-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.form-card > p { font-size: 0.88rem; color: var(--text-secondary); margin-bottom: 1.5rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-field { margin-bottom: 1rem; }
.form-field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}
.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--text-muted); }
.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 255, 204, 0.08);
}
.form-field textarea { resize: vertical; min-height: 120px; }

/* Input error state */
.form-field input.input-error,
.form-field textarea.input-error { border-color: #ff5f57; box-shadow: 0 0 0 3px rgba(255, 95, 87, 0.1); }

.submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  justify-content: center;
  padding: 0.85rem 2rem;
  background: var(--gradient-main);
  color: #000;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  margin-top: 0.5rem;
}
.submit-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0, 255, 204, 0.25); }

/* ================================================
   FOOTER
   ================================================ */
.site-footer {
  position: relative;
  z-index: 1;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding-top: 3.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}
.brand-pitch { font-size: 0.88rem; color: var(--text-secondary); margin: 1rem 0; max-width: 350px; }
.hosting-badge { font-size: 0.78rem; color: var(--text-muted); }
.domain-link { color: var(--cyan); font-weight: 600; }
.domain-link:hover { text-decoration: underline; }

.footer-links-col h4, .footer-contact-col h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-primary);
  margin-bottom: 1rem;
}
.footer-links-col li { margin-bottom: 0.5rem; }
.footer-links-col a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}
.footer-links-col a:hover { color: var(--cyan); }
.footer-address { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 0.6rem; }
.footer-tel, .footer-mail { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.3rem; }
.footer-tel a, .footer-mail a { color: var(--cyan); }
.footer-tel a:hover, .footer-mail a:hover { text-decoration: underline; }

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding: 1.2rem 0;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.copyright { font-size: 0.8rem; color: var(--text-muted); }
.scroll-top-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.scroll-top-btn:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }

/* ================================================
   SCROLL REVEAL ANIMATIONS
   ================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================
   RESPONSIVE DESIGN
   ================================================ */
@media (max-width: 1024px) {
  .hero-inner-container { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-graphics-container { justify-content: center; }
  .interactive-chip-card { max-width: 340px; }
  .grid-2 { grid-template-columns: 1fr; gap: 2.5rem; }
  .service-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .mobile-nav-toggle { display: flex; }
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-subtle);
    padding: 5rem 2rem 2rem;
    transition: right var(--transition-smooth);
    z-index: 999;
  }
  .nav.open { right: 0; }
  .nav ul { flex-direction: column; gap: 0.5rem; }
  .nav-link { padding: 0.7rem 1rem; width: 100%; }

  .service-cards-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero { min-height: 80vh; padding: 4rem 0 3rem; }
  .hero-title { font-size: 2rem; }
}