/* Smoke cursor canvas */
#smoke-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}

/* ===========================
   OmnicoreOS Landing — Dark Futuristic
   =========================== */

:root {
  --bg: #06060b;
  --bg-elevated: #0c0c14;
  --bg-card: #0f0f1a;
  --bg-card-hover: #14142a;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);

  --text: #e4e4ef;
  --text-secondary: #8888a4;
  --text-muted: #55556a;

  --accent: #00d4ff;
  --accent-2: #7b2fff;
  --accent-3: #ff3d8a;
  --gradient: linear-gradient(135deg, #00d4ff, #7b2fff);
  --gradient-text: linear-gradient(135deg, #00d4ff 0%, #7b2fff 50%, #ff3d8a 100%);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'JetBrains Mono', monospace;

  --radius: 12px;
  --radius-lg: 20px;
  --radius-sm: 8px;
}

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

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

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

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

img { max-width: 100%; }

/* NOISE OVERLAY */
.noise {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
}

/* GRID BACKGROUND */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  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: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 20%, transparent 70%);
}

/* CONTAINER */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* SECTION */
.section {
  position: relative;
  z-index: 1;
  padding: 120px 0;
}

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

.section-label {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.section h2 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* GRADIENT TEXT */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.btn-primary:hover {
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.35);
  transform: translateY(-1px);
}

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

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

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

/* ==================
   NAVIGATION
   ================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: all 0.3s ease;
  backdrop-filter: blur(0px);
}

.nav.scrolled {
  background: rgba(6, 6, 11, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a:not(.btn) {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.nav-links a:not(.btn):hover {
  color: var(--text);
}

.nav-links .btn {
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.nav-links .btn:hover {
  background: rgba(0, 212, 255, 0.2);
  border-color: rgba(0, 212, 255, 0.4);
}

/* MOBILE MENU */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  z-index: 99;
  background: rgba(6, 6, 11, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 24px;
  flex-direction: column;
  gap: 16px;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-size: 16px;
  color: var(--text-secondary);
  padding: 8px 0;
}

.mobile-menu a:hover {
  color: var(--text);
}

.mobile-menu .btn {
  text-align: center;
  justify-content: center;
  margin-top: 8px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

/* ==================
   HERO
   ================== */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 140px 24px 80px;
  text-align: center;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(0, 212, 255, 0.08) 0%, rgba(123, 47, 255, 0.04) 40%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 820px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.15);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 32px;
  font-family: var(--mono);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.5); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(0, 212, 255, 0); }
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 620px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* HERO STATS */
.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

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

/* HERO TERMINAL */
.hero-visual {
  width: 100%;
  max-width: 720px;
  margin: 64px auto 0;
}

.terminal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(0, 212, 255, 0.05);
}

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

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

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

.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.terminal-title {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
}

.terminal-body {
  padding: 20px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.8;
  min-height: 260px;
}

.terminal-line {
  opacity: 0;
  transform: translateY(4px);
  animation: line-appear 0.4s ease forwards;
}

.terminal-line[data-delay="0"] { animation-delay: 0.5s; }
.terminal-line[data-delay="1"] { animation-delay: 1.2s; }
.terminal-line[data-delay="2"] { animation-delay: 2.0s; }
.terminal-line[data-delay="3"] { animation-delay: 3.0s; }
.terminal-line[data-delay="4"] { animation-delay: 3.7s; }
.terminal-line[data-delay="5"] { animation-delay: 4.5s; }
.terminal-line[data-delay="6"] { animation-delay: 5.5s; }
.terminal-line[data-delay="7"] { animation-delay: 6.3s; }
.terminal-line[data-delay="8"] { animation-delay: 7.2s; }

@keyframes line-appear {
  to { opacity: 1; transform: translateY(0); }
}

.t-prompt { color: var(--accent); }
.t-cmd { color: #e4e4ef; font-weight: 600; }
.t-arg { color: #a78bfa; }
.t-comment { color: var(--text-muted); font-style: italic; }
.t-result { color: #94a3b8; }
.t-success { color: #34d399; font-weight: 500; }

.cursor {
  display: inline-block;
  animation: blink 1s step-end infinite;
  color: var(--accent);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ==================
   FEATURES GRID
   ================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(0, 212, 255, 0.08);
  color: var(--accent);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==================
   STEPS
   ================== */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 56px;
}

.step {
  position: relative;
  padding: 0 24px;
}

.step-number {
  font-family: var(--mono);
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.4;
  margin-bottom: 16px;
}

.step-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.step-line {
  position: absolute;
  top: 30px;
  right: 0;
  width: 1px;
  height: 60%;
  background: linear-gradient(to bottom, var(--accent), transparent);
  opacity: 0.2;
}

.step:last-child .step-line { display: none; }

/* ==================
   AGENTS
   ================== */
.agents-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.agent-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.agent-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.agent-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

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

.agent-icon-wrap {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(0, 212, 255, 0.06);
  color: var(--accent);
  margin-bottom: 20px;
}

.agent-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.agent-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.agent-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(123, 47, 255, 0.1);
  color: #a78bfa;
  border: 1px solid rgba(123, 47, 255, 0.2);
}

/* ==================
   FLYWHEEL
   ================== */
.flywheel-visual {
  position: relative;
  width: 400px;
  height: 400px;
  margin: 56px auto 0;
}

.flywheel-ring {
  position: absolute;
  inset: 0;
  animation: spin-slow 30s linear infinite;
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.flywheel-node {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transform: translate(-50%, -50%) rotate(calc(var(--i) * 72deg)) translateY(-160px) rotate(calc(var(--i) * -72deg));
  animation: counter-spin 30s linear infinite;
}

@keyframes counter-spin {
  from { --rotation: 0deg; }
  to { --rotation: -360deg; }
}

.flywheel-node span {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.fw-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-sm);
  color: var(--accent);
}

.flywheel-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.1rem;
  font-weight: 800;
}

.flywheel-visual::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300px;
  height: 300px;
  transform: translate(-50%, -50%);
  border: 1px dashed rgba(0, 212, 255, 0.1);
  border-radius: 50%;
}

/* ==================
   USE CASES
   ================== */
.use-cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.use-case {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.25s ease;
}

.use-case:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.use-case-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

/* ==================
   TECH GRID
   ================== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.tech-item {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.01);
  transition: all 0.25s ease;
}

.tech-item:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.02);
}

.tech-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.tech-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==================
   ABOUT
   ================== */
.about-content {
  margin-top: 40px;
}

.about-text p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  max-width: 720px;
}

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

.about-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
  max-width: 600px;
}

.about-detail {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.detail-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  font-weight: 600;
}

.detail-value {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==================
   CTA SECTION
   ================== */
.section-cta {
  padding: 120px 0;
}

.cta-box {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 64px;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(0, 212, 255, 0.06), transparent 70%);
  pointer-events: none;
}

.cta-box .section-desc {
  margin-bottom: 32px;
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 560px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-field {
  width: 100%;
}

.cta-form input,
.cta-form select,
.cta-form textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.2s ease;
  appearance: none;
}

.cta-form select {
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%238888a4' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.cta-form select option {
  background: var(--bg-card);
  color: var(--text);
}

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

.cta-form input:focus,
.cta-form select:focus,
.cta-form textarea:focus {
  border-color: var(--accent);
}

.cta-form textarea {
  resize: vertical;
  min-height: 80px;
}

.cta-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 12px;
}

/* ==================
   FOOTER
   ================== */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 60px 0 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 12px;
}

.footer-links {
  display: flex;
  gap: 80px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text);
  margin-bottom: 4px;
}

.footer-col a,
.footer-address {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

/* ==================
   FAQ
   ================== */
.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 48px;
  max-width: 780px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.25s ease;
}

.faq-item[open] {
  border-color: var(--border-hover);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  transition: color 0.2s ease;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--accent);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item[open] .faq-question::after {
  content: '\2212';
}

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

.faq-answer {
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* SR-ONLY (screen reader only utility) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ==================
   ANIMATIONS
   ================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ==================
   RESPONSIVE
   ================== */
@media (max-width: 1024px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .step-line {
    display: none;
  }

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

  .footer-links {
    gap: 48px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 80px 0;
  }

  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero {
    padding: 120px 20px 60px;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

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

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

  .use-cases {
    grid-template-columns: 1fr;
  }

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

  .cta-box {
    padding: 40px 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-top {
    flex-direction: column;
    gap: 40px;
  }

  .footer-links {
    flex-direction: column;
    gap: 32px;
  }

  .flywheel-visual {
    width: 300px;
    height: 300px;
  }

  .flywheel-node {
    transform: translate(-50%, -50%) rotate(calc(var(--i) * 72deg)) translateY(-120px) rotate(calc(var(--i) * -72deg));
  }

  .flywheel-visual::before {
    width: 220px;
    height: 220px;
  }

  .flywheel-node span {
    font-size: 11px;
  }

  .fw-icon {
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .hero-visual {
    margin-top: 40px;
  }

  .terminal-body {
    font-size: 11px;
    padding: 16px;
  }
}