*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colors — Green Tech Theme */
  --bg-primary: #060a08;
  --bg-secondary: #0a110c;
  --bg-tertiary: #0e1610;
  --bg-card: #0c140e;
  --bg-card-hover: #121c15;

  --text-primary: #e2efe6;
  --text-secondary: #8aaa92;
  --text-dim: #56705e;

  --accent: #4caf50;
  --accent-light: #66bb6a;
  --accent-dark: #388e3c;
  --accent-glow: rgba(76, 175, 80, 0.12);
  --accent-glow-strong: rgba(76, 175, 80, 0.25);

  --gradient-1: #4caf50;
  --gradient-2: #26a69a;
  --gradient-3: #00897b;

  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --border-accent: rgba(76, 175, 80, 0.15);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --section-padding: clamp(4rem, 8vw, 7rem);
  --container-max: 1200px;
  --container-padding: clamp(1.25rem, 4vw, 2rem);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul {
  list-style: none;
}

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

.text-gradient {
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.25s var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--gradient-2));
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 0 30px var(--accent-glow-strong);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  background: var(--accent-glow);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.85rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ---------- ANIMATIONS ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 var(--container-padding);
  transition: all 0.35s var(--ease);
}

.navbar.scrolled {
  background: rgba(6, 10, 8, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  z-index: 10;
}

.logo-bin {
  color: var(--accent);
}

.logo-tech {
  color: var(--text-secondary);
  font-weight: 400;
  font-size: 0.95rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.nav-link:hover {
  color: var(--text-primary);
}

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

.nav-link--cta {
  background: var(--accent-glow);
  color: var(--accent-light) !important;
  border: 1px solid var(--border-accent);
  margin-left: 8px;
}

.nav-link--cta:hover {
  background: rgba(76, 175, 80, 0.18);
  border-color: rgba(76, 175, 80, 0.3);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 10;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s var(--ease);
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

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

.nav-toggle.open .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.open .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(76, 175, 80, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(76, 175, 80, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center,
    rgba(76, 175, 80, 0.07) 0%,
    rgba(38, 166, 154, 0.04) 40%,
    transparent 70%);
  animation: pulse-glow 6s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat { text-align: left; }

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.stat-suffix {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent);
  font-family: var(--font-mono);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 2px;
}

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

.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  right: var(--container-padding);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero-scroll-indicator span {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  writing-mode: vertical-rl;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: var(--accent);
  animation: scroll-line 2s ease-in-out infinite;
}

/* ---------- SECTIONS ---------- */
.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section--dark {
  background: var(--bg-secondary);
}

.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-light);
  background: var(--accent-glow);
  padding: 4px 14px;
  border-radius: 100px;
  border: 1px solid var(--border-accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* ---------- ABOUT ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}

.about-lead {
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.7;
}

.about-text strong {
  color: var(--text-primary);
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.highlight-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* Code Card */
.tech-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.3s var(--ease);
}

.tech-card:hover {
  border-color: var(--border-hover);
}

.tech-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
}

.tech-dots {
  display: flex;
  gap: 6px;
}

.tech-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.tech-dots span:first-child { background: #ff5f57; }
.tech-dots span:nth-child(2) { background: #febc2e; }
.tech-dots span:last-child { background: #28c840; }

.tech-card-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.tech-card-body {
  padding: 20px;
}

.tech-card-body pre {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  overflow-x: auto;
}

.code-keyword { color: #c678dd; }
.code-string { color: #98c379; }
.code-function { color: #61afef; }
.code-comment { color: #5c6370; font-style: italic; }
.code-number { color: #d19a66; }

/* ---------- SERVICES ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 32px);
  transition: all 0.35s var(--ease);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gradient-1), var(--gradient-2));
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}

.service-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

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

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  color: var(--accent);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.service-list li {
  font-size: 0.8rem;
  color: var(--text-dim);
  padding-left: 16px;
  position: relative;
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- PROJECTS ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 28px);
  transition: all 0.35s var(--ease);
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.project-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: var(--radius-md);
  color: var(--accent);
}

.project-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.04);
  padding: 4px 10px;
  border-radius: 100px;
}

.project-title {
  font-size: 1.15rem;
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.project-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-tech span {
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(76, 175, 80, 0.08);
  color: var(--accent-light);
  border: 1px solid var(--border-accent);
  font-family: var(--font-mono);
}

.project-card--cta {
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.06), rgba(38, 166, 154, 0.06));
  border-color: var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.project-cta-content h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.project-cta-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

/* ---------- DIFERENCIAIS ---------- */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.diff-card {
  padding: clamp(24px, 3vw, 32px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all 0.35s var(--ease);
}

.diff-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.diff-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
  line-height: 1;
}

.diff-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.diff-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- TECH STACK ---------- */
.tech-stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.tech-stack-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 20px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 0.25s var(--ease);
  text-align: center;
}

.tech-stack-item:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.tech-stack-name {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.tech-stack-category {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------- CONTACT ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: start;
}

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

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: var(--radius-md);
  color: var(--accent);
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-item p,
.contact-item a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: color 0.2s var(--ease);
}

.contact-item a:hover {
  color: var(--accent-light);
}

.contact-cta {
  margin-top: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.contact-cta p {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.partner-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-light);
  font-weight: 500;
  font-size: 0.9rem;
  transition: opacity 0.2s var(--ease);
}

.partner-link:hover {
  opacity: 0.8;
}

.partner-logo {
  height: 32px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transition: filter 0.2s var(--ease);
}

.partner-link:hover .partner-logo {
  filter: brightness(0) invert(0.7) sepia(1) saturate(3) hue-rotate(80deg);
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  outline: none;
}

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

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

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2356705e' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

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

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border);
  padding: 48px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  padding-bottom: 40px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 12px;
  line-height: 1.6;
  max-width: 280px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--text-dim);
  padding: 4px 0;
  transition: color 0.2s var(--ease);
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.footer-smiley {
  color: var(--accent);
  font-weight: 700;
}

/* =============================================
   PAGE HERO (for Products & Downloads pages)
   ============================================= */
.page-hero {
  padding: 140px 0 60px;
  position: relative;
  overflow: hidden;
}

.page-hero .hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(76, 175, 80, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(76, 175, 80, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
}

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

.page-hero .section-tag {
  margin-bottom: 12px;
}

.page-hero-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.page-hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

/* =============================================
   PRODUCTS PAGE
   ============================================= */
.product-detail {
  padding: var(--section-padding) 0;
  border-bottom: 1px solid var(--border);
}

.product-detail:last-of-type {
  border-bottom: none;
}

.product-detail:nth-child(even) {
  background: var(--bg-secondary);
}

.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}

.product-layout--reverse {
  direction: rtl;
}

.product-layout--reverse > * {
  direction: ltr;
}

.product-info .section-tag {
  margin-bottom: 12px;
}

.product-name {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 8px;
}

.product-code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.product-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.product-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.product-features li svg {
  color: var(--accent);
  flex-shrink: 0;
}

.product-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

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

.product-diagram {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 4/3;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-diagram-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-dim);
}

.product-diagram-icon {
  width: 64px;
  height: 64px;
  color: var(--accent);
  opacity: 0.6;
}

.product-diagram-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.product-diagram-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.product-diagram::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 25% 25%, rgba(76, 175, 80, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(38, 166, 154, 0.04) 0%, transparent 50%);
}

.product-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.spec-item {
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.spec-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 2px;
}

.spec-value {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* Products overview grid */
.products-overview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.product-overview-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 32px);
  transition: all 0.35s var(--ease);
  display: flex;
  flex-direction: column;
}

.product-overview-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.product-overview-card .project-header {
  margin-bottom: 12px;
}

.product-overview-card .product-name {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.product-overview-card .product-code {
  margin-bottom: 12px;
}

.product-overview-card .product-description {
  font-size: 0.85rem;
  margin-bottom: 16px;
  flex: 1;
}

/* =============================================
   DOWNLOADS PAGE
   ============================================= */
.dl-section {
  margin-bottom: 40px;
}

.dl-section:last-child {
  margin-bottom: 0;
}

.dl-section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.dl-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dl-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 0.2s var(--ease);
}

.dl-item:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.dl-item-info {
  flex: 1;
  min-width: 0;
}

.dl-item-name {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.dl-item-meta {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-light);
  transition: all 0.2s var(--ease);
  white-space: nowrap;
  text-decoration: none;
}

.dl-btn:hover {
  background: rgba(76, 175, 80, 0.2);
  border-color: rgba(76, 175, 80, 0.3);
  transform: translateY(-1px);
}

.dl-btn svg {
  flex-shrink: 0;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .services-grid,
  .diff-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .product-layout {
    grid-template-columns: 1fr;
  }

  .product-layout--reverse {
    direction: ltr;
  }

  .product-visual {
    order: -1;
  }
}

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

  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(6, 10, 8, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
    padding: 0 var(--container-padding);
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-link {
    font-size: 1.1rem;
    padding: 12px 16px;
  }

  .nav-link--cta {
    margin-left: 0;
    margin-top: 8px;
    text-align: center;
  }

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

  .about-visual {
    order: -1;
  }

  .services-grid,
  .projects-grid,
  .diff-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .hero-stats {
    gap: 20px;
  }

  .stat-divider {
    display: none;
  }

  .hero-scroll-indicator {
    display: none;
  }

  .dl-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .dl-btn {
    width: 100%;
    justify-content: center;
  }

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

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .footer-links {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .products-overview {
    grid-template-columns: 1fr;
  }
}