/* ═══════════════════════════════════════════════════════════════════════════
   OpenFleet Landing Page — Main Stylesheet
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ─────────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg-root: #06060b;
  --bg-surface: #0d0d14;
  --bg-card: #12121c;
  --bg-card-hover: #181826;
  --bg-code: #0f0f1a;
  --bg-terminal: #0a0a12;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.1);
  --border-glow: rgba(96, 204, 93, 0.2);

  /* Colors */
  --cyan: #60cc5d;
  --cyan-dim: #4caf50;
  --purple: #7c3aed;
  --purple-light: #a78bfa;
  --blue: #3b82f6;
  --green: #10b981;
  --amber: #f59e0b;
  --red: #ef4444;
  --pink: #ec4899;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #60cc5d, #4caf50);
  --gradient-hero: linear-gradient(135deg, #60cc5d 0%, #4caf50 100%);
  --gradient-card-border: linear-gradient(135deg, rgba(96,204,93,0.25), rgba(76,175,80,0.15));
  --gradient-glow: radial-gradient(ellipse at 50% 0%, rgba(96,204,93,0.1) 0%, transparent 60%);

  /* Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #60cc5d;

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

  /* Spacing */
  --section-gap: 8rem;
  --content-width: 1200px;
  --content-narrow: 800px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ── Reset & Base ──────────────────────────────────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-root);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── Scroll Progress Bar ───────────────────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--gradient-primary);
  z-index: 1100;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px rgba(96, 204, 93, 0.5);
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #82c57e;
}

::selection {
  background: rgba(96, 204, 93, 0.25);
  color: #fff;
}

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

/* ── Grid Background ───────────────────────────────────────────────────── */
.grid-bg {
  position: fixed;
  inset: 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;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 20%, transparent 70%);
}

/* ── Typography ────────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
}

.gradient-text {
  color: var(--cyan);
}

.mono {
  font-family: var(--font-mono);
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-code);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

/* ── Layout ────────────────────────────────────────────────────────────── */
.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

.container--narrow {
  max-width: var(--content-narrow);
}

section {
  padding: var(--section-gap) 0;
  position: relative;
}

/* ── Navigation ────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all 0.3s ease;
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
}

.nav--scrolled {
  background: rgba(6, 6, 11, 0.85);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.6rem 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.nav__brand-icon {
  width: 64px;
  height: 64px;
  border-radius: 0;
  background: none;
  display: grid;
  place-items: center;
  font-size: 0.9rem;
  font-weight: 900;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav__links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
  position: relative;
}

.nav__links a:hover {
  color: var(--text-primary);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s var(--ease-out);
  border-radius: 1px;
}

.nav__links a:hover::after {
  width: 100%;
}

.nav__links a.nav__link--active {
  color: var(--text-primary);
}

.nav__links a.nav__link--active::after {
  width: 100%;
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: var(--gradient-primary);
  color: #000 !important;
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: 8px;
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s ease;
}

.nav__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(96, 204, 93, 0.3);
  color: #000 !important;
}

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}

/* ── Hero ──────────────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  padding-bottom: 4rem;
  position: relative;
  overflow: hidden;
}

.hero__particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto;
  z-index: 0;
}

.hero__glow {
  position: absolute;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}

.hero__glow--cyan {
  background: var(--cyan);
  top: -200px;
  right: -200px;
  animation: glow-drift 12s ease-in-out infinite alternate;
}

.hero__glow--purple {
  background: var(--cyan-dim);
  bottom: -200px;
  left: -200px;
  opacity: 0.06;
  animation: glow-drift 15s ease-in-out infinite alternate-reverse;
}

@keyframes glow-drift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(40px, -30px); }
}

.hero__content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(96, 204, 93, 0.08);
  border: 1px solid rgba(96, 204, 93, 0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--cyan);
  margin-bottom: 2rem;
  font-family: var(--font-mono);
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero__title {
  margin-bottom: 1.5rem;
}

.typed-cursor {
  display: inline-block;
  color: var(--cyan);
  font-weight: 300;
  margin-left: 2px;
  animation: blink-cursor 1s step-end infinite;
}

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

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 0 1.5rem;
  line-height: 1.85;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero__install {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.hero__demo {
  margin-top: 0;
  padding-top: 0;
}

.hero__layout {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

@media (max-width: 1100px) {
  .hero__layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.hero__intro {
  text-align: left;
}

/* ── Hero headline (replaces the old hero__title + typed combo) ──────── */
.hero__headline {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.hero__headline .gradient-text {
  display: inline-block;
}

/* ── Hero feature bullets ────────────────────────────────────────────── */
.hero__bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.hero__bullets li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.hero__bullets li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* ── Hero CTA row ────────────────────────────────────────────────────── */
.hero__ctas {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.hero__version-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  margin-top: 0.5rem;
}

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.25s var(--ease-spring);
  cursor: pointer;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-primary);
  color: #000;
  box-shadow: 0 4px 20px rgba(96, 204, 93, 0.2);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(96, 204, 93, 0.35);
  color: #000;
}

/* Shine sweep effect */
.btn--shine {
  position: relative;
  overflow: hidden;
}

.btn--shine::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -75%;
  width: 50%;
  height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: skewX(-25deg);
  animation: btn-shine 4s ease-in-out infinite;
}

@keyframes btn-shine {
  0%, 80%, 100% { left: -75%; }
  40% { left: 125%; }
}

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

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--cyan);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

/* ── Install Command ───────────────────────────────────────────────────── */
.install-cmd {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: 12px;
  padding: 0.85rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.install-cmd:hover {
  border-color: var(--cyan);
  background: var(--bg-card-hover);
}

.install-cmd__prompt {
  color: var(--text-muted);
  user-select: none;
}

.install-cmd__text {
  color: var(--cyan);
}

.install-cmd__copy {
  color: var(--text-muted);
  transition: color 0.2s;
  font-size: 1rem;
}

.install-cmd:hover .install-cmd__copy {
  color: var(--text-primary);
}

.install-cmd__tooltip {
  position: absolute;
  top: -2.25rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cyan);
  color: #000;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  font-family: var(--font-sans);
}

.install-cmd__tooltip--visible {
  opacity: 1;
}

/* ── Stats Row ─────────────────────────────────────────────────────────── */
.stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 3rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  position: relative;
}

.stat {
  text-align: center;
  position: relative;
}

.stat__value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 0.35rem;
  letter-spacing: -0.02em;
  text-shadow: 0 0 30px rgba(96, 204, 93, 0.2);
}

.stat__label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

/* ── Section Headers ───────────────────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-header__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.section-header__title {
  margin-bottom: 1rem;
}

.section-header__desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* ── Feature Cards ─────────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.4s var(--ease-out);
  overflow: hidden;
  will-change: transform;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  padding: 1px;
  background: var(--gradient-card-border);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(96,204,93,0.06), transparent 60%);
  border-radius: 16px;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

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

.feature-card:hover::after {
  opacity: 1;
}

.feature-card:hover {
  border-color: transparent;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(96, 204, 93, 0.05);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  background: rgba(96, 204, 93, 0.08);
  border: 1px solid rgba(96, 204, 93, 0.15);
}

.feature-card__icon--purple {
  background: rgba(124, 58, 237, 0.08);
  border-color: rgba(124, 58, 237, 0.15);
}

.feature-card__icon--green {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.15);
}

.feature-card__icon--amber {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.15);
}

.feature-card__icon--pink {
  background: rgba(236, 72, 153, 0.08);
  border-color: rgba(236, 72, 153, 0.15);
}

.feature-card__icon--blue {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.15);
}

.feature-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.feature-card__desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ── Terminal Section ──────────────────────────────────────────────────── */
.terminal-section {
  padding: 6rem 0;
  position: relative;
}

.terminal-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  pointer-events: none;
}

.terminal-window {
  max-width: 960px;
  margin: 0 auto;
  border-radius: 16px;
  border: 1px solid var(--border-default);
  overflow: hidden;
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.5),
    0 0 80px rgba(96, 204, 93, 0.05),
    inset 0 1px 0 rgba(255,255,255,0.05);
}

.terminal-window__titlebar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: #1a1a28;
  border-bottom: 1px solid var(--border-subtle);
}

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

.terminal-window__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-window__dot--red { background: #ff5f57; }
.terminal-window__dot--yellow { background: #febc2e; }
.terminal-window__dot--green { background: #28c840; }

.terminal-window__title {
  flex: 1;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.terminal-window__body {
  background: var(--bg-terminal);
  min-height: 420px;
  position: relative;
}

/* jQuery Terminal overrides */
.terminal-window__body .terminal {
  --color: var(--text-primary) !important;
  --background: transparent !important;
  font-family: var(--font-mono) !important;
  font-size: 14px !important;
  line-height: 1.6 !important;
  padding: 1rem !important;
}

.terminal-window__body .terminal .terminal-output {
  color: var(--text-primary);
}

.terminal-window__body .cmd-prompt {
  color: var(--cyan) !important;
}

.terminal-window__body .terminal-cursor {
  background: var(--cyan) !important;
}

.miniapp-demo-window__expand {
  border: 1px solid transparent;
  background: rgba(9, 15, 21, 0.65);
  color: #4cc9f0;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  margin-left: auto;
  cursor: pointer;
  transition: all 0.2s ease;
}

.miniapp-demo-window__expand:hover {
  border-color: rgba(76, 201, 240, 0.5);
  color: #60cc5d;
}

.miniapp-demo-window__expand-icon {
  width: 16px;
  height: 16px;
}

.miniapp-demo-window__expand-icon--exit {
  display: none;
}

.miniapp-demo-window__expand.is-fullscreen .miniapp-demo-window__expand-icon--enter {
  display: none;
}

.miniapp-demo-window__expand.is-fullscreen .miniapp-demo-window__expand-icon--exit {
  display: block;
}

.miniapp-demo-window__phone.is-fullscreen {
  position: fixed;
  inset: 2rem;
  width: auto;
  height: auto;
  z-index: 60;
  border-radius: 24px;
  padding: 14px;
  box-shadow:
    0 40px 120px rgba(0,0,0,0.7),
    0 0 0 1px rgba(255,255,255,0.08),
    inset 0 0 0 1px rgba(255,255,255,0.06);
}

.miniapp-demo-window__phone.is-fullscreen .miniapp-demo-window__tg-dots {
  display: none;
}

.miniapp-demo-window__phone.is-fullscreen .miniapp-demo-window__expand {
  margin-left: auto;
}

.miniapp-demo-window__phone.is-fullscreen .miniapp-demo-window__tg-header {
  gap: 0.75rem;
}

.miniapp-demo-window__phone.is-fullscreen .miniapp-demo-window__tg-header span {
  flex: 1;
  text-align: center;
}

.miniapp-demo-window__phone.is-fullscreen .miniapp-demo-window__notch {
  top: 10px;
}

.miniapp-demo-window__phone.is-fullscreen .miniapp-demo-window__screen {
  border-radius: 18px;
}

.miniapp-demo-window__overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 9, 12, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 50;
}

.miniapp-demo-window__overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

body.is-miniapp-fullscreen {
  overflow: hidden;
}

/* ── Architecture Section ──────────────────────────────────────────────── */
.arch-diagram {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
}

.arch-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  align-items: center;
}

.arch-node {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.25rem 0.75rem;
  text-align: center;
  transition: all 0.3s ease;
}

.arch-node:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.arch-node__icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.arch-node__label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.arch-node__sub {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.arch-arrow {
  text-align: center;
  color: var(--cyan);
  font-size: 1.25rem;
  animation: arrow-pulse 2s ease-in-out infinite;
}

@keyframes arrow-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.arch-layers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.arch-layer {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.5rem;
  position: relative;
}

.arch-layer__title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.arch-layer__items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.arch-layer__items li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding-left: 1rem;
  position: relative;
}

.arch-layer__items li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

/* ── Integrations ──────────────────────────────────────────────────────── */
.integrations-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.integration-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.75rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.integration-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(96, 204, 93, 0.3), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.integration-card:hover {
  border-color: rgba(96, 204, 93, 0.3);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

.integration-card__icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  transition: transform 0.3s var(--ease-spring);
}

.integration-card:hover .integration-card__icon {
  transform: scale(1.15);
}

.integration-card__name {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.integration-card__desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── CTA Section ───────────────────────────────────────────────────────── */
.cta-section {
  text-align: center;
  padding: 8rem 0 6rem;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(96,204,93,0.1), transparent 60%);
  pointer-events: none;
}

.cta-section h2 {
  margin-bottom: 1rem;
}

.cta-section p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Footer ────────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0;
  position: relative;
  z-index: 1;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer__links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer__links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer__links a:hover {
  color: var(--text-primary);
}

/* ── Scroll Animations ─────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

.reveal--delay-1 { transition-delay: 0.08s; }
.reveal--delay-2 { transition-delay: 0.16s; }
.reveal--delay-3 { transition-delay: 0.24s; }
.reveal--delay-4 { transition-delay: 0.32s; }
.reveal--delay-5 { transition-delay: 0.40s; }

/* Feature cards stagger on reveal */
.features-grid .feature-card:nth-child(1) { transition-delay: 0.05s; }
.features-grid .feature-card:nth-child(2) { transition-delay: 0.1s; }
.features-grid .feature-card:nth-child(3) { transition-delay: 0.15s; }
.features-grid .feature-card:nth-child(4) { transition-delay: 0.2s; }
.features-grid .feature-card:nth-child(5) { transition-delay: 0.25s; }
.features-grid .feature-card:nth-child(6) { transition-delay: 0.3s; }
.features-grid .feature-card:nth-child(7) { transition-delay: 0.35s; }
.features-grid .feature-card:nth-child(8) { transition-delay: 0.4s; }
.features-grid .feature-card:nth-child(9) { transition-delay: 0.45s; }

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

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

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

  .arch-layers {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-gap: 5rem;
  }

  .nav__links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(6, 6, 11, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    z-index: 999;
  }

  .nav__links--open {
    display: flex;
  }

  .nav__links a {
    font-size: 1.2rem;
  }

  .nav__toggle {
    display: block;
    z-index: 1001;
  }

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

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

  .hero__actions {
    flex-direction: column;
  }

  .stats {
    gap: 2rem;
  }

  .arch-flow {
    grid-template-columns: 1fr;
  }

  .arch-arrow {
    transform: rotate(90deg);
  }

  .install-cmd {
    font-size: 0.8rem;
    padding: 0.7rem 1rem;
  }

  .container {
    padding: 0 1.25rem;
  }
}

/* ── Keyframe Animations ───────────────────────────────────────────────── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.animate-float {
  animation: float 4s ease-in-out infinite;
}

.animate-gradient {
  background-size: 200% 200%;
  animation: gradient-shift 6s ease infinite;
}

/* ── Comparison table (Why OpenFleet) ──────────────────────────────────── */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.comparison-table th,
.comparison-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-table th {
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.comparison-table td:first-child {
  font-weight: 500;
  color: var(--text-primary);
}

.comparison-table .check { color: var(--green); font-size: 1.1rem; }
.comparison-table .cross { color: var(--text-muted); font-size: 1.1rem; }

/* ── Code blocks for landing ───────────────────────────────────────────── */
.code-block {
  background: var(--bg-code);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  overflow-x: auto;
  color: var(--text-secondary);
}

.code-block .comment { color: var(--text-muted); }
.code-block .string { color: var(--green); }
.code-block .keyword { color: var(--purple-light); }
.code-block .number { color: var(--amber); }
.code-block .function { color: var(--cyan); }

/* ── Logos / Brand Strip ───────────────────────────────────────────────── */
.brand-strip {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  padding: 2rem 0;
  flex-wrap: wrap;
  opacity: 0.5;
}

.brand-strip__item {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ── Smooth link hover for nav ─────────────────────────────────────────── */
.smooth-link {
  transition: color 0.2s ease, opacity 0.2s ease;
}

/* ── Quick-start steps ─────────────────────────────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.step {
  position: relative;
  padding: 2rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  text-align: center;
  transition: all 0.3s ease;
}

.step:hover {
  border-color: rgba(96, 204, 93, 0.2);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.step__number {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gradient-primary);
  color: #000;
  font-weight: 800;
  font-size: 1.1rem;
  display: grid;
  place-items: center;
  margin: 0 auto 1.25rem;
  box-shadow: 0 4px 16px rgba(96, 204, 93, 0.25);
}

.step__title {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.step__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.step__code {
  margin-top: 0.75rem;
  background: var(--bg-code);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
}

@media (max-width: 768px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

/* ── PR Showcase ───────────────────────────────────────────────────────── */

/* ── Code Showcase ─────────────────────────────────────────────────────── */
.code-showcase {
  max-width: 720px;
  margin: 0 auto;
  border-radius: 16px;
  border: 1px solid var(--border-default);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.code-showcase__tabs {
  display: flex;
  background: #1a1a28;
  border-bottom: 1px solid var(--border-subtle);
  gap: 0;
}

.code-tab {
  padding: 0.7rem 1.25rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  border-bottom: 2px solid transparent;
}

.code-tab:hover {
  color: var(--text-secondary);
  background: rgba(255,255,255,0.02);
}

.code-tab--active {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  background: rgba(96, 204, 93, 0.05);
}

.code-showcase__body {
  position: relative;
  background: var(--bg-terminal);
  min-height: 280px;
}

.code-showcase__panel {
  display: none;
  margin: 0;
  padding: 1.5rem !important;
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-secondary);
  animation: fadeSlideIn 0.25s ease;
}

.code-showcase__panel--active {
  display: block;
}

.code-showcase__panel .comment { color: var(--text-muted); }
.code-showcase__panel .string { color: #10b981; }
.code-showcase__panel .keyword { color: #a78bfa; }
.code-showcase__panel .number { color: #f59e0b; }
.code-showcase__panel .function { color: var(--cyan); }

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── PR Showcase (original moved below) ────────────────────────────────── */
.pr-showcase {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

.pr-showcase__loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 3rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.pr-showcase__spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-default);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.pr-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  transition: all 0.2s ease;
  text-decoration: none;
  color: inherit;
}

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

.pr-card__state {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  margin-top: 2px;
}

.pr-card__state--merged {
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
}

.pr-card__state--open {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.pr-card__state--closed {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.pr-card__body {
  flex: 1;
  min-width: 0;
}

.pr-card__title {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pr-card__meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.pr-card__meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.pr-card__labels {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 0.4rem;
}

.pr-card__label {
  font-size: 0.7rem;
  padding: 0.1rem 0.5rem;
  border-radius: 100px;
  font-weight: 500;
  border: 1px solid;
}

.pr-showcase__error {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ═══════════════════════════════════════════════════════════════════════════
   DEMO TABS — Multi-Channel Interaction Section
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Tab Bar ───────────────────────────────────────────────────────────── */
.demo-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.demo-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: 10px;
  border: 1px solid var(--border-default);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  white-space: nowrap;
}

.demo-tab:hover {
  border-color: var(--cyan);
  color: var(--text-primary);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.demo-tab--active {
  background: rgba(96, 204, 93, 0.1);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 4px 16px rgba(96, 204, 93, 0.15);
}

.demo-tab svg {
  flex-shrink: 0;
}

/* ── Panels ────────────────────────────────────────────────────────────── */
.demo-panel {
  display: none;
  animation: demoPanelIn 0.35s var(--ease-out);
}

.demo-panel--active {
  display: block;
}

@keyframes demoPanelIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════════════════════════════════
   TELEGRAM CHAT DEMO
   ═══════════════════════════════════════════════════════════════════════════ */

.telegram-demo-window {
  max-width: 520px;
  margin: 0 auto;
  border-radius: 16px;
  border: 1px solid var(--border-default);
  overflow: hidden;
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.5),
    0 0 60px rgba(96, 204, 93, 0.04);
}

.telegram-demo-window__chrome {
  background: #1a2236;
  padding: 0;
}

.telegram-demo-window__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.telegram-demo-window__app-name {
  font-weight: 600;
  color: var(--text-primary);
}

/* ── Chat container ────────────────────────────────────────────────────── */
.tg-chat {
  background: #0e1621;
  display: flex;
  flex-direction: column;
  height: 520px;
}

.tg-chat__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: #17212b;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}

.tg-chat__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #60cc5d, #4caf50);
  display: grid;
  place-items: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.tg-chat__header-info {
  flex: 1;
}

.tg-chat__header-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
}

.tg-chat__header-status {
  font-size: 0.75rem;
  color: #4cc9f0;
}

.tg-chat__header-actions {
  display: flex;
  gap: 0.75rem;
  color: #6c7883;
}

/* ── Messages ──────────────────────────────────────────────────────────── */
.tg-chat__messages {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.tg-chat__date-badge {
  text-align: center;
  font-size: 0.7rem;
  color: #6c7883;
  background: rgba(0,0,0,0.3);
  padding: 0.2rem 0.75rem;
  border-radius: 100px;
  margin: 0.5rem auto;
  width: fit-content;
}

.tg-chat__msg {
  display: flex;
  gap: 0.5rem;
  max-width: 88%;
  animation: tgMsgIn 0.25s ease;
}

@keyframes tgMsgIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.tg-chat__msg--bot {
  align-self: flex-start;
}

.tg-chat__msg--user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.tg-chat__msg-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #60cc5d, #4caf50);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  align-self: flex-end;
}

.tg-chat__msg-bubble {
  padding: 0.5rem 0.65rem;
  border-radius: 12px;
  font-size: 0.82rem;
  line-height: 1.5;
  position: relative;
}

.tg-chat__msg--bot .tg-chat__msg-bubble {
  background: #182533;
  border-bottom-left-radius: 4px;
  color: #e1e8ed;
}

.tg-chat__msg--user .tg-chat__msg-bubble {
  background: #2b5278;
  border-bottom-right-radius: 4px;
  color: #e8ecf0;
}

.tg-chat__msg-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: #4cc9f0;
  margin-bottom: 0.15rem;
}

.tg-chat__msg-text {
  word-break: break-word;
}

.tg-chat__msg-text b { color: #fff; }
.tg-chat__msg-text code {
  background: rgba(255,255,255,0.08);
  padding: 0.1em 0.3em;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.8em;
  border: none;
}

.tg-chat__msg-time {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.35);
  text-align: right;
  margin-top: 0.15rem;
}

/* ── Typing indicator ──────────────────────────────────────────────────── */
.tg-chat__typing {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0;
  animation: tgMsgIn 0.2s ease;
}

.tg-chat__typing-dots {
  display: flex;
  gap: 3px;
  padding: 0.5rem 0.75rem;
  background: #182533;
  border-radius: 12px;
  border-bottom-left-radius: 4px;
}

.tg-chat__typing-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4cc9f0;
  animation: tgTypingDot 1.2s infinite;
}

.tg-chat__typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.tg-chat__typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes tgTypingDot {
  0%, 60%, 100% { opacity: 0.3; transform: scale(0.8); }
  30% { opacity: 1; transform: scale(1); }
}

/* ── Inline Keyboard ───────────────────────────────────────────────────── */
.tg-chat__keyboard {
  padding: 0.5rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  background: #0e1621;
  border-top: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}

.tg-chat__kb-row {
  display: flex;
  gap: 0.35rem;
}

.tg-chat__kb-btn {
  flex: 1;
  padding: 0.5rem 0.5rem;
  border: none;
  border-radius: 8px;
  background: #2b5278;
  color: #e1e8ed;
  font-size: 0.78rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.tg-chat__kb-btn:hover {
  background: #3a6898;
}

.tg-chat__kb-btn:active {
  transform: scale(0.97);
}

/* ── Input Bar ─────────────────────────────────────────────────────────── */
.tg-chat__input-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.6rem;
  background: #17212b;
  border-top: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}

.tg-chat__menu-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: #6c7883;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: color 0.2s;
  flex-shrink: 0;
}

.tg-chat__menu-btn:hover { color: #4cc9f0; }

.tg-chat__input {
  flex: 1;
  border: none;
  background: transparent;
  color: #e1e8ed;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  outline: none;
  padding: 0.4rem 0;
}

.tg-chat__input::placeholder {
  color: #4a5568;
}

.tg-chat__send-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: #4cc9f0;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.tg-chat__send-btn:hover {
  color: #60cc5d;
  transform: scale(1.1);
}

/* ═══════════════════════════════════════════════════════════════════════════
   MINIAPP DEMO — Phone frame with live iframe
   ═══════════════════════════════════════════════════════════════════════════ */

.miniapp-demo-window {
  text-align: center;
}

.miniapp-demo-window__phone {
  width: 375px;
  height: 700px;
  margin: 0 auto;
  border-radius: 40px;
  background: #000;
  padding: 12px;
  box-shadow:
    0 40px 100px rgba(0,0,0,0.5),
    0 0 0 1px rgba(255,255,255,0.08),
    inset 0 0 0 1px rgba(255,255,255,0.05);
  position: relative;
}

.miniapp-demo-window__notch {
  width: 120px;
  height: 24px;
  background: #000;
  border-radius: 0 0 16px 16px;
  margin: 0 auto;
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.miniapp-demo-window__screen {
  width: 100%;
  height: 100%;
  border-radius: 28px;
  overflow: hidden;
  background: #0b0f14;
  display: flex;
  flex-direction: column;
}

.miniapp-demo-window__tg-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: #17212b;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  flex-shrink: 0;
}

.miniapp-demo-window__tg-header svg {
  color: #4cc9f0;
  cursor: pointer;
}

.miniapp-demo-window__tg-dots {
  margin-left: 0.5rem;
  color: #6c7883;
  font-size: 1.2rem;
}

.miniapp-demo-window__iframe {
  flex: 1;
  width: 100%;
  border: none;
  background: #0b0f14;
}

.miniapp-demo-window__caption {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.miniapp-demo-window__live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════════════
   WHATSAPP DEMO
   ═══════════════════════════════════════════════════════════════════════════ */

.whatsapp-demo-window {
  max-width: 480px;
  margin: 0 auto;
  border-radius: 16px;
  border: 1px solid var(--border-default);
  overflow: hidden;
  box-shadow:
    0 40px 100px rgba(0,0,0,0.5),
    0 0 60px rgba(96,204,93,0.04);
  background: #0b141a;
}

.whatsapp-demo-window__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: #1f2c34;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.whatsapp-demo-window__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #128c7e);
  display: grid;
  place-items: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.whatsapp-demo-window__name {
  color: #e9edef;
  font-size: 0.9rem;
  font-weight: 600;
}

.whatsapp-demo-window__status {
  color: #8696a0;
  font-size: 0.75rem;
}

.whatsapp-demo-window__messages {
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  max-height: 420px;
  overflow-y: auto;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 5L35 0H25L30 5ZM30 55L25 60H35L30 55Z' fill='%23ffffff' opacity='0.015'/%3E%3C/svg%3E") repeat;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.whatsapp-demo-window__date {
  text-align: center;
  font-size: 0.7rem;
  color: #8696a0;
  background: rgba(11,20,26,0.85);
  padding: 0.2rem 0.75rem;
  border-radius: 6px;
  margin: 0.35rem auto;
  width: fit-content;
}

.wa-msg {
  display: flex;
  max-width: 85%;
}

.wa-msg--bot {
  align-self: flex-start;
}

.wa-msg--user {
  align-self: flex-end;
}

.wa-msg__bubble {
  padding: 0.45rem 0.6rem;
  border-radius: 8px;
  font-size: 0.82rem;
  line-height: 1.4;
}

.wa-msg--bot .wa-msg__bubble {
  background: #1f2c34;
  border-top-left-radius: 0;
  color: #e9edef;
}

.wa-msg--user .wa-msg__bubble {
  background: #005c4b;
  border-top-right-radius: 0;
  color: #e9edef;
}

.wa-msg__text b { color: #fff; }
.wa-msg__text code {
  background: rgba(255,255,255,0.08);
  padding: 0.08em 0.3em;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.8em;
  border: none;
}

.wa-msg__time {
  font-size: 0.62rem;
  color: rgba(255,255,255,0.45);
  text-align: right;
  margin-top: 0.1rem;
}

.whatsapp-demo-window__footer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.6rem;
  background: #1f2c34;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.whatsapp-demo-window__input-placeholder {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: #2a3942;
  border-radius: 20px;
  color: #8696a0;
  font-size: 0.85rem;
}

.whatsapp-demo-window__mic {
  color: #8696a0;
  font-size: 1.1rem;
}

.whatsapp-demo-window__caption {
  text-align: center;
  margin-top: 1.25rem;
  padding: 0 1rem 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════════════════════
   SECURITY SECTION
   ═══════════════════════════════════════════════════════════════════════════ */

.security-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.security-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.75rem;
  transition: all 0.3s var(--ease-out);
  overflow: hidden;
}

.security-card:hover {
  border-color: rgba(96, 204, 93, 0.25);
  box-shadow: 0 16px 50px rgba(0,0,0,0.25);
  transform: translateY(-2px);
}

.security-card__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.security-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(96,204,93,0.08);
  border: 1px solid rgba(96,204,93,0.15);
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.security-card__title {
  font-size: 1rem;
  font-weight: 700;
}

.security-card__desc {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

/* ── Flow visualization ────────────────────────────────────────────────── */
.security-flow {
  margin-bottom: 1rem;
}

.security-flow__steps {
  display: flex;
  align-items: center;
  gap: 0;
  justify-content: center;
  flex-wrap: wrap;
}

.security-flow__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.6rem;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.35s var(--ease-out);
}

.security-flow__step--visible {
  opacity: 1;
  transform: translateY(0);
}

.security-flow__step-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--step-color, #60cc5d) 15%, transparent);
  border: 1px solid color-mix(in srgb, var(--step-color, #60cc5d) 30%, transparent);
  display: grid;
  place-items: center;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.security-flow__step:hover .security-flow__step-icon {
  transform: scale(1.15);
  box-shadow: 0 0 20px color-mix(in srgb, var(--step-color, #60cc5d) 25%, transparent);
}

.security-flow__step-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 80px;
  line-height: 1.3;
}

.security-flow__arrow {
  color: var(--text-muted);
  opacity: 0;
  transform: translateX(-6px);
  transition: all 0.3s var(--ease-out);
  flex-shrink: 0;
}

.security-flow__arrow--visible {
  opacity: 0.5;
  transform: translateX(0);
}

/* ── Details expandable ────────────────────────────────────────────────── */
.security-card__details-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--cyan);
  cursor: pointer;
  transition: color 0.2s;
  user-select: none;
}

.security-card__details-toggle:hover {
  color: #82c57e;
}

.security-card__details-toggle svg {
  transition: transform 0.25s ease;
}

.security-card__details-toggle--open svg {
  transform: rotate(180deg);
}

.security-card__details-list {
  list-style: none;
  margin-top: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  animation: fadeSlideIn 0.25s ease;
}

.security-card__details-list li {
  font-size: 0.78rem;
  color: var(--text-secondary);
  padding-left: 1rem;
  position: relative;
  line-height: 1.5;
}

.security-card__details-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}

.security-card__details-list code {
  font-size: 0.75em;
  background: rgba(255,255,255,0.06);
  padding: 0.1em 0.3em;
  border-radius: 3px;
}

/* ── Security Responsive ───────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .security-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero__install {
    margin-bottom: 2rem;
  }
  .hero__demo {
    margin-top: 2.5rem;
  }
  .demo-tabs {
    flex-wrap: wrap;
    gap: 0.35rem;
  }
  .demo-tab {
    font-size: 0.78rem;
    padding: 0.5rem 0.85rem;
  }
  .tg-chat {
    height: 440px;
  }
  .miniapp-demo-window__phone {
    width: 320px;
    height: 600px;
    border-radius: 32px;
    padding: 10px;
  }
  .miniapp-demo-window__screen {
    border-radius: 22px;
  }
  .miniapp-demo-window__notch {
    width: 100px;
    height: 20px;
  }
  .miniapp-demo-window__phone.is-fullscreen {
    inset: 1rem;
  }
  .security-flow__steps {
    gap: 0.25rem;
  }
  .security-flow__step {
    padding: 0.35rem;
  }
  .security-flow__step-label {
    font-size: 0.65rem;
    max-width: 60px;
  }
}