/* ==========================================================
   TOKENS
   ========================================================== */
:root {
  --bg-deep:    #050D0B;
  --bg-mid:     #071411;
  --bg-surface: #0A1815;
  --bg-elevated:#0B1F1A;

  --emerald-500: #10B981;
  --emerald-400: #34D399;
  --emerald-300: #6EE7B7;
  --emerald-200: #A7F3D0;
  --emerald-100: #D1FAE5;
  --emerald-900: #064E3B;

  --fg:        #F0FAF7;
  --fg-muted:  #8BA89E;
  --fg-dim:    #5C7A70;

  --border:    rgba(52, 211, 153, 0.12);
  --border-hover: rgba(52, 211, 153, 0.38);

  --gradient-primary: linear-gradient(135deg, #10B981 0%, #34D399 45%, #A7F3D0 100%);
  --gradient-surface: linear-gradient(180deg, rgba(16,185,129,0.10), rgba(5,46,43,0.03));

  --glow-soft:  0 0 30px rgba(16, 185, 129, 0.15);
  --glow-medium:0 0 50px rgba(16, 185, 129, 0.22);

  --font-display: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-body:    -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', system-ui, sans-serif;

  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;
}

/* ==========================================================
   RESET & BASE
   ========================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

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

/* Fine grid texture background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(16, 185, 129, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 185, 129, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }

/* ==========================================================
   UTILITIES
   ========================================================== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--emerald-400);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.eyebrow::before {
  content: '//';
  color: var(--fg-dim);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 28px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  border: none;
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--bg-deep);
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.25);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-medium);
  filter: brightness(1.1);
}

.btn--outline {
  background: transparent;
  color: var(--emerald-400);
  border: 1px solid var(--border-hover);
  box-shadow: inset 0 0 20px rgba(16, 185, 129, 0.05);
}
.btn--outline:hover {
  border-color: var(--emerald-300);
  color: var(--emerald-200);
  box-shadow: inset 0 0 30px rgba(16, 185, 129, 0.1), var(--glow-soft);
  transform: translateY(-2px);
}

/* ==========================================================
   HEADER
   ========================================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: var(--space-4) 0;
  transition: all 0.4s ease;
}
.header--scrolled {
  background: rgba(5, 13, 11, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo-mark {
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--border-hover);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--emerald-400);
  background: var(--bg-surface);
  transition: all 0.3s ease;
}
.logo-mark:hover {
  border-color: var(--emerald-300);
  box-shadow: var(--glow-soft);
}

.logo-text {
  display: flex;
  flex-direction: column;
}
.logo-text__name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg);
  line-height: 1.2;
}
.logo-text__tagline {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
  line-height: 1.4;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.header__nav-link {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-muted);
  position: relative;
  padding: var(--space-2) 0;
  transition: color 0.3s ease;
}
.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
  border-radius: 1px;
}
.header__nav-link:hover,
.header__nav-link--active {
  color: var(--emerald-400);
}
.header__nav-link:hover::after,
.header__nav-link--active::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
}
.header__menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--fg-muted);
  transition: all 0.3s ease;
  border-radius: 1px;
}

/* ==========================================================
   HERO
   ========================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 var(--space-16);
  overflow: hidden;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero__content {
  max-width: 600px;
}

.hero__meta {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: var(--space-4);
  word-spacing: 2px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: var(--space-6);
}
.hero__title span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 18px;
  line-height: 1.6;
  color: var(--fg-muted);
  margin-bottom: var(--space-4);
  max-width: 520px;
}

.hero__desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg-dim);
  margin-bottom: var(--space-8);
  max-width: 520px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__visual {
  position: relative;
  width: 100%;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================
   INFO CARDS
   ========================================================== */
.info-cards {
  position: relative;
  z-index: 2;
  padding-bottom: var(--space-24);
}

.info-cards__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.info-card {
  background: var(--gradient-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}
.info-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(16,185,129,0.2), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.info-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow-soft);
  transform: translateY(-4px);
}
.info-card:hover::before {
  opacity: 1;
}

.info-card__label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--emerald-400);
  margin-bottom: var(--space-3);
}

.info-card__value {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 500;
  color: var(--fg);
  line-height: 1.4;
}

/* ==========================================================
   SERVICES
   ========================================================== */
.services {
  position: relative;
  z-index: 2;
  padding: var(--space-24) 0;
}

.services__header {
  margin-bottom: var(--space-16);
  max-width: 640px;
}

.services__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin: var(--space-4) 0 var(--space-4);
}

.services__desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg-muted);
}

.service-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
  margin-bottom: var(--space-20);
}
.service-item:nth-child(even) .service-item__content { order: 2; }
.service-item:nth-child(even) .service-item__visual { order: 1; }

.service-item__eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--emerald-400);
  margin-bottom: var(--space-3);
  display: block;
}

.service-item__title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg);
  margin-bottom: var(--space-4);
}

.service-item__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg-muted);
  margin-bottom: var(--space-6);
}

.service-item__bullets {
  margin-bottom: var(--space-6);
}
.service-item__bullets li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-muted);
  margin-bottom: var(--space-3);
}
.service-item__bullets li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--emerald-400);
  margin-top: 7px;
  flex-shrink: 0;
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.4);
}

.service-item__meta {
  background: var(--gradient-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-top: var(--space-6);
}
.service-item__meta-row {
  font-size: 13px;
  line-height: 1.6;
  color: var(--fg-dim);
  margin-bottom: var(--space-2);
}
.service-item__meta-row:last-child { margin-bottom: 0; }
.service-item__meta-row strong {
  color: var(--emerald-400);
  font-weight: 500;
}

.service-item__visual {
  background: var(--gradient-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}
.service-item__visual::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(16,185,129,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.service-item__visual:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow-soft);
}

.service-visual__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-5);
  color: var(--emerald-400);
}

.service-visual__label {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: var(--space-2);
}

.service-visual__sublabel {
  font-size: 13px;
  color: var(--fg-dim);
  line-height: 1.5;
}

/* ==========================================================
   PRODUCTS CTA
   ========================================================== */
.products-cta {
  position: relative;
  z-index: 2;
  padding: var(--space-16) 0;
}

.products-cta__card {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-16) var(--space-12);
  text-align: center;
  overflow: hidden;
  transition: all 0.4s ease;
}
.products-cta__card::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16,185,129,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.products-cta__card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow-soft);
}

.products-cta__content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.products-cta__eyebrow {
  margin-bottom: var(--space-4);
}

.products-cta__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: var(--space-4);
}

.products-cta__desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg-muted);
  margin-bottom: var(--space-8);
}

/* ==========================================================
   POLICY PAGES
   ========================================================== */
.policy-hero {
  position: relative;
  z-index: 2;
  padding: 160px 0 var(--space-16);
}

.policy-hero__content {
  max-width: 780px;
}

.policy-hero__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin: var(--space-4) 0 var(--space-5);
}

.policy-hero__desc,
.policy-hero__meta {
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 680px;
}

.policy-hero__meta {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-top: var(--space-5);
}

.policy-content {
  position: relative;
  z-index: 2;
  padding: 0 0 var(--space-24);
}

.policy-layout {
  display: grid;
  grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
  gap: var(--space-10);
  align-items: start;
}

.policy-toc {
  position: sticky;
  top: 110px;
  background: var(--gradient-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.policy-toc__title {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--emerald-400);
  margin-bottom: var(--space-4);
}

.policy-toc__link {
  display: block;
  font-size: 13px;
  color: var(--fg-muted);
  padding: var(--space-2) 0;
  transition: color 0.3s ease;
}
.policy-toc__link:hover {
  color: var(--emerald-400);
}

.policy-card {
  background: var(--gradient-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
}

.policy-section {
  padding-bottom: var(--space-8);
  margin-bottom: var(--space-8);
  border-bottom: 1px solid var(--border);
}
.policy-section:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

.policy-section h2 {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--fg);
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

.policy-section h3 {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--emerald-400);
  margin: var(--space-5) 0 var(--space-2);
  letter-spacing: 0.01em;
}

.policy-section p,
.policy-section li {
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-muted);
}

.policy-section strong {
  color: var(--emerald-300);
  font-weight: 600;
}

.policy-section p + p,
.policy-section ul + p,
.policy-section p + ul {
  margin-top: var(--space-4);
}

.policy-section ul {
  list-style: disc;
  padding-left: var(--space-6);
}

@media (max-width: 1024px) {
  .policy-layout {
    grid-template-columns: 1fr;
  }
  .policy-toc {
    position: static;
  }
}

@media (max-width: 768px) {
  .policy-hero {
    padding: 120px 0 var(--space-12);
  }
  .policy-hero__title {
    font-size: 32px;
  }
  .policy-card {
    padding: var(--space-6);
  }
}

/* ==========================================================
   COMPANY
   ========================================================== */
.company {
  position: relative;
  z-index: 2;
  padding: var(--space-24) 0;
}

.company__header {
  margin-bottom: var(--space-12);
  max-width: 640px;
}

.company__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin: var(--space-4) 0 var(--space-4);
}

.company__text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--fg-muted);
  margin-bottom: var(--space-8);
  max-width: 640px;
}

.company__card {
  background: var(--gradient-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  max-width: 480px;
  transition: all 0.4s ease;
}
.company__card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow-soft);
}

.company__card-name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--emerald-400);
  margin-bottom: var(--space-4);
  letter-spacing: 0.02em;
}

.company__card-address {
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg-muted);
  font-style: normal;
}

/* ==========================================================
   FOOTER
   ========================================================== */
.footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border);
  padding: var(--space-16) 0 var(--space-8);
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(52,211,153,0.3), transparent);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: var(--space-2);
}
.footer__brand-tagline {
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.5;
}

.footer__col-title {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--emerald-400);
  margin-bottom: var(--space-4);
}

.footer__link {
  display: block;
  font-size: 14px;
  color: var(--fg-muted);
  padding: var(--space-1) 0;
  transition: color 0.3s ease;
}
.footer__link:hover {
  color: var(--emerald-400);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
}

.footer__copyright {
  font-size: 13px;
  color: var(--fg-dim);
}

.footer__back-top {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--fg-muted);
  cursor: pointer;
  transition: color 0.3s ease;
  background: none;
  border: none;
}
.footer__back-top:hover {
  color: var(--emerald-400);
}

/* ==========================================================
   SCROLL REVEAL
   ========================================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }

/* ==========================================================
   MOUSE GLOW
   ========================================================== */
.mouse-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(16,185,129,0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: left 0.3s ease-out, top 0.3s ease-out;
}

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .hero__visual {
    height: 350px;
    order: -1;
  }
  .service-item {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .service-item:nth-child(even) .service-item__content { order: 1; }
  .service-item:nth-child(even) .service-item__visual { order: 2; }
  .footer__top {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header__nav,
  .header__actions .btn { display: none; }
  .header__menu-btn { display: flex; }

  .hero {
    padding: 100px 0 var(--space-12);
  }
  .hero__title {
    font-size: 32px;
  }
  .hero__actions {
    flex-direction: column;
  }
  .hero__actions .btn {
    width: 100%;
  }

  .info-cards__grid {
    grid-template-columns: 1fr;
  }

  .services__title,
  .products-cta__title,
  .company__title {
    font-size: 28px;
  }

  .service-item__title {
    font-size: 22px;
  }

  .products-cta__card {
    padding: var(--space-10) var(--space-6);
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
}

/* Mobile nav overlay */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: rgba(5, 13, 11, 0.98);
  backdrop-filter: blur(20px);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.mobile-nav--open {
  opacity: 1;
  pointer-events: all;
}
.mobile-nav__link {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--fg);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.mobile-nav__close {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  background: none;
  border: none;
  color: var(--fg-muted);
  font-size: 32px;
  cursor: pointer;
}

/* ==========================================================
   NETWORK VISUALIZATION (SVG)
   ========================================================== */
.network-viz {
  width: 100%;
  height: 100%;
}
.network-viz__node {
  animation: pulse-node 4s ease-in-out infinite;
}
.network-viz__node:nth-child(2n) { animation-delay: 0.5s; }
.network-viz__node:nth-child(3n) { animation-delay: 1s; }
.network-viz__node:nth-child(4n) { animation-delay: 1.5s; }

@keyframes pulse-node {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

.network-viz__line {
  stroke-dasharray: 4 4;
  animation: dash-flow 20s linear infinite;
}
@keyframes dash-flow {
  to { stroke-dashoffset: -100; }
}

.network-viz__packet {
  animation: packet-move 3s ease-in-out infinite;
}
@keyframes packet-move {
  0%, 100% { opacity: 0; }
  50% { opacity: 1; }
}