:root {
  /* Core palette — deep charcoal with crisp accent */
  --bg: #0a0a0f;
  --bg-alt: #07070a;
  --surface: #12121a;
  --panel: #181822;
  --panel-hover: #1f1f2b;
  --panel-border: rgba(255, 255, 255, 0.08);
  --panel-border-strong: rgba(255, 255, 255, 0.14);
  --accent: #66c0f4;
  --accent-deep: #1a9fff;
  --accent-glow: rgba(102, 192, 244, 0.22);
  --text: #f5f5f7;
  --muted: #8b8b96;
  --danger: #c94e4e;
  --success: #7ee3b3;

  /* Radius */
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-full: 999px;

  /* Layout */
  --max-width: 1160px;
  --max-width-lg: 1320px;

  /* Shadows */
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.28);
  --shadow-glow: 0 0 60px rgba(102, 192, 244, 0.16);

  /* Spacing scale */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 72px;
  --space-4xl: 104px;

  /* Fluid type scale */
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.35rem;
  --text-2xl: clamp(1.75rem, 4vw, 2.5rem);
  --text-3xl: clamp(2.25rem, 5vw, 3.25rem);
  --text-4xl: clamp(2.75rem, 6vw, 4.25rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

p a,
.download-meta a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

p a:hover,
.download-meta a:hover {
  color: var(--text);
}

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

.skip-link {
  position: absolute;
  top: -48px;
  left: 0;
  background: var(--accent);
  color: #05080c;
  padding: 10px 16px;
  font-weight: 700;
  z-index: 200;
  border-radius: 0 0 var(--radius) 0;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
  text-decoration: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-narrow {
  max-width: 720px;
}

/* Navigation */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.78);
  border-bottom: 1px solid var(--panel-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
}

.brand:hover {
  text-decoration: none;
}

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

.brand span {
  color: var(--accent);
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-left: auto;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-radius: var(--radius-full);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.92rem;
  transition: background 0.2s, color 0.2s;
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.nav-links .btn {
  padding: 10px 18px;
  font-size: 0.92rem;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 0;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius);
  margin-left: auto;
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.06);
}

.menu-toggle svg {
  display: block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 0;
  border-radius: var(--radius-full);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.15s, background 0.15s, box-shadow 0.15s;
  min-height: 44px;
  line-height: 1.2;
  white-space: nowrap;
}

.btn svg {
  flex-shrink: 0;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #05080c;
  box-shadow: 0 6px 20px rgba(102, 192, 244, 0.28);
}

.btn-primary:hover {
  opacity: 0.93;
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(102, 192, 244, 0.38);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  border: 1px solid var(--panel-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  text-decoration: none;
}

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

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.btn-lg {
  padding: 16px 28px;
  font-size: 1.05rem;
  min-height: 52px;
}

.btn-block {
  width: 100%;
}

/* Hero */
.hero {
  position: relative;
  min-height: min(720px, 92vh);
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 20%, var(--accent-glow), transparent 40%),
    radial-gradient(circle at 15% 85%, rgba(26, 159, 255, 0.08), transparent 35%),
    linear-gradient(160deg, var(--bg-alt) 0%, var(--bg) 55%, var(--surface) 100%);
  border-bottom: 1px solid var(--panel-border);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(102, 192, 244, 0.06), transparent 55%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 70%, var(--bg) 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-4xl) var(--space-lg);
  width: 100%;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero-content {
  max-width: 620px;
}

.hero h1 {
  font-size: var(--text-4xl);
  line-height: 1.05;
  margin: 0 0 var(--space-lg);
  letter-spacing: -0.04em;
  color: #fff;
  font-weight: 800;
  text-wrap: balance;
}

.hero h1 span {
  color: var(--accent);
}

.hero p {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--muted);
  margin: 0 0 var(--space-xl);
  max-width: 540px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-window {
  width: 100%;
  max-width: 560px;
  background: linear-gradient(180deg, rgba(24, 24, 34, 0.95), rgba(18, 18, 26, 0.95));
  border: 1px solid var(--panel-border-strong);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow), var(--shadow-glow);
  overflow: hidden;
  transform: perspective(1000px) rotateY(-6deg) rotateX(4deg);
  transition: transform 0.4s ease;
}

.hero-window:hover {
  transform: perspective(1000px) rotateY(-3deg) rotateX(2deg);
}

.hero-window-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--panel-border);
}

.hero-window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.hero-window-dot.red { background: #ff5f56; }
.hero-window-dot.yellow { background: #ffbd2e; }
.hero-window-dot.green { background: #27c93f; }

.hero-window-body {
  padding: 22px;
  display: grid;
  gap: 14px;
}

.hero-window-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
}

.hero-window-thumb {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  flex-shrink: 0;
}

.hero-window-lines {
  flex: 1;
  display: grid;
  gap: 8px;
}

.hero-window-line {
  height: 10px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
}

.hero-window-line.short {
  width: 55%;
}

.hero-window-progress {
  margin-top: 4px;
  height: 6px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.hero-window-progress-bar {
  height: 100%;
  width: 68%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
}

/* Trust strip */
.trust-strip {
  background: var(--surface);
  border-bottom: 1px solid var(--panel-border);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  padding: var(--space-xl) 0;
}

.trust-item {
  text-align: center;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--panel-border);
  transition: background 0.2s, border-color 0.2s;
}

.trust-item:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--panel-border-strong);
}

.trust-icon {
  width: 42px;
  height: 42px;
  margin: 0 auto var(--space-sm);
  border-radius: var(--radius);
  background: rgba(102, 192, 244, 0.12);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.trust-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.trust-label {
  color: var(--muted);
  font-size: var(--text-sm);
  margin-top: 4px;
}

/* Sections */
.section {
  padding: var(--space-4xl) 0;
}

.section-surface {
  background: var(--surface);
  border-top: 1px solid var(--panel-border);
  border-bottom: 1px solid var(--panel-border);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.section-title {
  font-size: var(--text-2xl);
  margin: 0;
  color: #fff;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.section-subtitle {
  color: var(--muted);
  margin: var(--space-sm) 0 0;
  font-size: var(--text-lg);
  max-width: 640px;
  line-height: 1.6;
}

/* Reveal animation classes — content remains visible if JS is disabled */
.reveal {
  opacity: 1;
  transform: translateY(0);
}

@keyframes reveal-fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal.animated {
  animation: reveal-fade-up 0.65s ease forwards;
}

@media (prefers-reduced-motion: reduce) {
  .reveal.animated {
    animation: none;
  }
}

/* Feature cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.feature-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.feature-card:hover {
  border-color: var(--panel-border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: rgba(102, 192, 244, 0.12);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.feature-card h3 {
  margin: 0 0 var(--space-sm);
  color: #fff;
  font-size: var(--text-xl);
  font-weight: 700;
}

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

/* Pricing cards */
.pricing-grid {
  display: grid;
  gap: var(--space-lg);
  align-items: stretch;
  margin: 0 auto;
}

.pricing-grid-1,
.pricing-grid-single {
  grid-template-columns: minmax(280px, 420px);
  justify-content: center;
}

.pricing-grid-2 {
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  max-width: 860px;
}

.pricing-grid-3 {
  grid-template-columns: repeat(3, minmax(260px, 1fr));
  max-width: 1040px;
}

.pricing-grid-4 {
  grid-template-columns: repeat(4, minmax(220px, 1fr));
  max-width: 1160px;
}

.pricing-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
  border-color: var(--panel-border-strong);
}

.pricing-card.featured {
  background: linear-gradient(180deg, var(--panel) 0%, rgba(102, 192, 244, 0.08) 100%);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.pricing-card.featured:hover {
  transform: translateY(-4px) scale(1.01);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: var(--space-lg);
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #05080c;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

.pricing-card-header {
  margin-bottom: var(--space-lg);
}

.pricing-card h3 {
  margin: 0 0 var(--space-sm);
  color: #fff;
  font-size: var(--text-xl);
  font-weight: 700;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  line-height: 1;
}

.pricing-amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
}

.pricing-period {
  color: var(--muted);
  font-size: var(--text-base);
  font-weight: 600;
}

.pricing-card > p {
  margin: 0 0 var(--space-md);
  color: var(--muted);
}

.pricing-card > p:last-of-type {
  flex-grow: 1;
}

.pricing-crypto {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--text);
  font-weight: 600;
  margin: 0 0 var(--space-lg);
}

.pricing-crypto::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.pricing-card .btn {
  margin-top: auto;
}

/* Steps / timeline */
.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  position: relative;
}

.step {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  transition: border-color 0.25s, transform 0.25s;
}

.step:hover {
  border-color: var(--panel-border-strong);
  transform: translateY(-3px);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -18px;
  left: var(--space-lg);
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #05080c;
  border-radius: 50%;
  font-weight: 800;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.step h3 {
  margin: var(--space-md) 0 var(--space-sm);
  color: #fff;
  font-size: var(--text-lg);
  font-weight: 700;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: var(--text-base);
  line-height: 1.65;
}

/* FAQ accordion */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.faq-trigger {
  width: 100%;
  padding: var(--space-lg);
  cursor: pointer;
  font-weight: 700;
  color: #fff;
  font-size: var(--text-base);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  background: transparent;
  border: 0;
  text-align: left;
  font-family: inherit;
}

.faq-trigger:hover {
  background: var(--panel-hover);
}

.faq-trigger::after {
  content: "";
  width: 14px;
  height: 14px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
  transition: transform 0.25s;
  flex-shrink: 0;
}

.faq-trigger[aria-expanded="true"]::after {
  transform: rotate(-135deg) translateY(-3px);
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  visibility: hidden;
  transition: max-height 0.35s ease, visibility 0.35s;
}

.faq-panel.open {
  max-height: 500px;
  visibility: visible;
}

.faq-panel p {
  padding: 0 var(--space-lg) var(--space-lg);
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

/* CTA band */
.cta-band {
  position: relative;
  background:
    radial-gradient(circle at 50% 0%, var(--accent-glow), transparent 50%),
    var(--surface);
  border-top: 1px solid var(--panel-border);
  border-bottom: 1px solid var(--panel-border);
  padding: var(--space-4xl) 0;
  text-align: center;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 100%, rgba(102, 192, 244, 0.08), transparent 55%);
  pointer-events: none;
}

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

.cta-band h2 {
  font-size: var(--text-3xl);
  margin: 0 0 var(--space-md);
  color: #fff;
  font-weight: 800;
}

.cta-band p {
  color: var(--muted);
  font-size: var(--text-lg);
  max-width: 560px;
  margin: 0 auto var(--space-xl);
}

/* Download page */
.download-hero {
  text-align: center;
  padding: var(--space-4xl) 0 var(--space-3xl);
}

.download-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  box-shadow: var(--shadow);
}

.download-card h1 {
  font-size: var(--text-3xl);
  margin: 0 0 var(--space-md);
  color: #fff;
  font-weight: 800;
}

.download-card p {
  color: var(--muted);
  font-size: var(--text-lg);
  margin: 0 auto var(--space-xl);
  max-width: 540px;
}

.download-meta {
  color: var(--muted);
  font-size: var(--text-sm);
  margin-top: var(--space-md);
}

.download-meta a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.requirements-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-base);
}

.requirements-table th,
.requirements-table td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--panel-border);
}

.requirements-table th {
  color: var(--accent);
  font-weight: 700;
  width: 35%;
}

.requirements-table td {
  color: var(--text);
}

.requirements-table tr:last-child th,
.requirements-table tr:last-child td {
  border-bottom: 0;
}

/* Footer */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--panel-border);
  padding: var(--space-3xl) 0 var(--space-xl);
}

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

.footer-brand {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.03em;
}

.footer-brand span {
  color: var(--accent);
}

.footer-tagline {
  color: var(--muted);
  font-size: var(--text-sm);
  max-width: 280px;
  line-height: 1.6;
}

.footer-col strong {
  display: block;
  color: #fff;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
  font-weight: 700;
}

.footer-col a {
  display: block;
  color: var(--muted);
  font-size: var(--text-sm);
  padding: 5px 0;
  transition: color 0.15s;
}

.footer-col a:hover {
  color: var(--accent);
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--panel-border);
  color: var(--muted);
  font-size: var(--text-sm);
}

/* Utility */
.text-center {
  text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mt-0 { margin-top: 0; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-2xl);
  }

  .hero-content {
    max-width: 100%;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-window {
    max-width: 460px;
    transform: none;
  }

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

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

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

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

  .pricing-grid-4 {
    grid-template-columns: repeat(2, minmax(280px, 1fr));
    max-width: 800px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-3xl) 0;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .section-subtitle {
    font-size: var(--text-base);
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding: var(--space-3xl) 0 0;
  }

  .cta-band {
    padding: var(--space-3xl) 0;
  }

  .download-card {
    padding: var(--space-xl);
  }

  .pricing-grid,
  .pricing-grid-1,
  .pricing-grid-2,
  .pricing-grid-3,
  .pricing-grid-4 {
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .pricing-amount {
    font-size: 2.25rem;
  }
}

@media (max-width: 640px) {
  .trust-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

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

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

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

  .download-card .btn-lg {
    width: 100%;
  }
}

@media (max-width: 680px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(7, 7, 10, 0.98);
    border-bottom: 1px solid var(--panel-border);
    padding: var(--space-md) var(--space-lg);
    gap: var(--space-xs);
    margin-left: 0;
  }

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

  .nav-links a,
  .nav-links .btn {
    margin-left: 0;
    justify-content: flex-start;
    padding: 12px 14px;
    width: 100%;
  }

  .nav-links .btn {
    margin-top: var(--space-sm);
  }

  .menu-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .requirements-table th,
  .requirements-table td {
    display: block;
    width: 100%;
    padding: var(--space-sm) 0;
  }

  .requirements-table th {
    border-bottom: 0;
    padding-top: var(--space-md);
  }

  .requirements-table tr:first-child th {
    padding-top: 0;
  }
}

@media (min-width: 1440px) {
  .container {
    max-width: var(--max-width-lg);
  }

  .nav-inner {
    max-width: var(--max-width-lg);
  }

  .hero-inner {
    max-width: var(--max-width-lg);
  }
}