/* ============================================================
   Frisky Design System — Page Layout & Showcase Styles
   Deep Tech / Cyber — v1.0.0
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--fds-font-sans);
  font-size: var(--fds-body-size);
  color: var(--fds-text-body);
  background: var(--fds-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.technical {
  font-family: var(--fds-font-mono);
  font-size: var(--fds-technical-size);
  font-weight: var(--fds-technical-weight);
  letter-spacing: var(--fds-technical-tracking);
  text-transform: uppercase;
  color: var(--fds-text-technical);
}

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

.gradient-text {
  background: var(--fds-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Navigation ─── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--fds-border);
}

.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--fds-space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--fds-space-sm);
}

.nav__logo {
  font-size: 1.25rem;
  color: var(--fds-accent-purple);
  font-weight: 700;
}

.nav__title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--fds-text-primary);
  letter-spacing: 0.1em;
}

.nav__subtitle {
  font-size: 0.7rem;
  font-family: var(--fds-font-mono);
  color: var(--fds-text-muted);
  letter-spacing: 0.05em;
  display: none;
}

@media (min-width: 640px) {
  .nav__subtitle {
    display: inline;
  }
}

.nav__links {
  display: flex;
  gap: var(--fds-space-lg);
}

.nav__link {
  font-size: 0.8125rem;
  color: var(--fds-text-muted);
  text-decoration: none;
  transition: color var(--fds-duration-fast) var(--fds-easing);
  letter-spacing: 0.02em;
}

.nav__link:hover {
  color: var(--fds-text-primary);
}

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px var(--fds-space-lg) 60px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(192, 132, 252, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(52, 211, 153, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  text-align: center;
  max-width: 720px;
  z-index: 1;
}

.hero__eyebrow {
  display: inline-block;
  margin-bottom: var(--fds-space-md);
  padding: 6px 16px;
  border: 1px solid var(--fds-border);
  border-radius: 9999px;
}

.hero__title {
  font-size: var(--fds-h1-size);
  font-weight: var(--fds-h1-weight);
  letter-spacing: var(--fds-h1-tracking);
  color: var(--fds-text-primary);
  line-height: 1.15;
  margin-bottom: var(--fds-space-lg);
}

@media (min-width: 768px) {
  .hero__title {
    font-size: 3rem;
  }
}

.hero__subtitle {
  font-size: 1rem;
  color: var(--fds-text-body);
  line-height: 1.6;
  margin-bottom: var(--fds-space-xl);
}

.hero__subtitle strong {
  color: var(--fds-text-primary);
  font-weight: 600;
}

.hero__actions {
  display: flex;
  gap: var(--fds-space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__terminal {
  position: relative;
  margin-top: 48px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  z-index: 1;
}

/* ─── Buttons (component override for showcase) ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--fds-radius-md);
  font-family: var(--fds-font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--fds-duration-normal) var(--fds-easing);
  border: none;
  text-decoration: none;
  line-height: 1;
}

.btn--primary {
  background: var(--fds-accent-gradient);
  color: #ffffff;
  box-shadow: var(--fds-glow-premium);
}

.btn--primary:hover {
  box-shadow: 0 0 40px rgba(192, 132, 252, 0.25);
  transform: translateY(-1px);
}

.btn--secondary {
  background: transparent;
  border: 1px solid var(--fds-border);
  color: var(--fds-text-body);
}

.btn--secondary:hover {
  border-color: var(--fds-border-hover);
  background: var(--fds-bg-glass);
}

.btn--ghost {
  background: transparent;
  color: var(--fds-text-muted);
}

.btn--ghost:hover {
  color: var(--fds-text-body);
  background: var(--fds-bg-glass);
}

.btn--sm {
  padding: 8px 16px;
  font-size: 0.8125rem;
}

/* ─── Terminal ─── */
.terminal {
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(52, 211, 153, 0.2);
  border-radius: var(--fds-radius-md);
  padding: var(--fds-space-md);
  font-family: var(--fds-font-mono);
  font-size: var(--fds-mono-size);
  color: var(--fds-text-technical);
  overflow-x: auto;
}

.terminal__header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--fds-space-sm);
  padding-bottom: var(--fds-space-sm);
  border-bottom: 1px solid rgba(52, 211, 153, 0.1);
  font-size: var(--fds-technical-size);
  letter-spacing: var(--fds-technical-tracking);
  text-transform: uppercase;
  opacity: 0.7;
}

.terminal__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.terminal__dot--red { background: #f87171; }
.terminal__dot--yellow { background: #fbbf24; }
.terminal__dot--green { background: #34d399; }

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

.terminal__line {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.terminal__prompt {
  color: var(--fds-accent-purple);
  font-weight: 700;
}

.terminal__accent {
  color: var(--fds-accent-emerald);
  font-weight: 500;
}

.terminal__blink::after {
  content: '▊';
  animation: blink 1s step-end infinite;
  color: var(--fds-accent-emerald);
  margin-left: 2px;
}

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

/* ─── Sections ─── */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px var(--fds-space-lg);
}

.section__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

.section__header h2 {
  font-size: var(--fds-h2-size);
  font-weight: var(--fds-h2-weight);
  letter-spacing: var(--fds-h2-tracking);
  color: var(--fds-text-primary);
  margin: var(--fds-space-sm) 0;
}

.section__header p {
  color: var(--fds-text-muted);
  font-size: 0.9375rem;
}

/* ─── Token Grid ─── */
.token-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--fds-space-lg);
}

.token-card {
  background: var(--fds-bg-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--fds-border);
  border-radius: var(--fds-radius-lg);
  padding: var(--fds-space-lg);
}

.token-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--fds-text-primary);
  margin-bottom: var(--fds-space-md);
}

.swatches {
  display: flex;
  flex-direction: column;
  gap: var(--fds-space-sm);
}

.swatch {
  display: flex;
  align-items: center;
  gap: var(--fds-space-md);
}

.swatch__preview {
  width: 32px;
  height: 32px;
  border-radius: var(--fds-radius-sm);
  flex-shrink: 0;
}

.swatch__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.swatch__name {
  font-family: var(--fds-font-mono);
  font-size: var(--fds-mono-size);
  color: var(--fds-text-body);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.swatch__value {
  font-size: 0.75rem;
  color: var(--fds-text-muted);
  font-family: var(--fds-font-mono);
}

/* ─── Component Showcase ─── */
.component-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--fds-space-lg);
}

.component-card {
  background: var(--fds-bg-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--fds-border);
  border-radius: var(--fds-radius-lg);
  padding: var(--fds-space-lg);
}

.component-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--fds-text-primary);
  margin-bottom: var(--fds-space-md);
}

.component-demo {
  display: flex;
  flex-wrap: wrap;
  gap: var(--fds-space-sm);
  margin-bottom: var(--fds-space-md);
}

.component-code {
  margin-top: var(--fds-space-md);
}

.component-code pre {
  background: rgba(0, 0, 0, 0.4);
  padding: var(--fds-space-sm) var(--fds-space-md);
  border-radius: var(--fds-radius-sm);
  border: 1px solid var(--fds-border-light);
  overflow-x: auto;
}

/* ─── Badges ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: var(--fds-technical-size);
  font-weight: var(--fds-technical-weight);
  letter-spacing: var(--fds-technical-tracking);
  text-transform: uppercase;
  font-family: var(--fds-font-mono);
}

.badge--success {
  background: rgba(52, 211, 153, 0.15);
  color: var(--fds-accent-emerald);
}

.badge--warning {
  background: rgba(251, 191, 36, 0.15);
  color: var(--fds-accent-amber);
}

.badge--error {
  background: rgba(248, 113, 113, 0.15);
  color: var(--fds-accent-red);
}

.badge--info {
  background: rgba(192, 132, 252, 0.15);
  color: var(--fds-accent-purple);
}

/* ─── Demo Card ─── */
.demo-card {
  width: 100%;
  background: var(--fds-bg-card);
  border: 1px solid var(--fds-border);
  border-radius: var(--fds-radius-lg);
  padding: var(--fds-space-md);
  box-shadow: var(--fds-glow-subtle);
}

.demo-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--fds-space-md);
  padding-bottom: var(--fds-space-sm);
  border-bottom: 1px solid var(--fds-border-light);
}

.demo-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--fds-space-sm);
}

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

.demo-card__label {
  font-size: 0.7rem;
}

.demo-card__value {
  color: var(--fds-text-body);
  font-size: 0.8125rem;
}

/* ─── Telegram Showcase ─── */
.telegram-showcase {
  display: flex;
  flex-direction: column;
  gap: var(--fds-space-xl);
  max-width: 500px;
  margin: 0 auto;
}

.telegram-message {
  display: flex;
  gap: var(--fds-space-sm);
  align-items: flex-start;
}

.telegram-message__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--fds-accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.telegram-message__body {
  flex: 1;
  max-width: 400px;
}

.telegram-message__header {
  display: flex;
  align-items: center;
  gap: var(--fds-space-sm);
  margin-bottom: 4px;
}

.telegram-message__bot-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fds-text-primary);
}

.telegram-message__badge {
  font-size: 0.625rem;
  font-family: var(--fds-font-mono);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--fds-accent-purple);
  background: rgba(192, 132, 252, 0.15);
  padding: 2px 6px;
  border-radius: 4px;
}

.telegram-message__content {
  background: var(--fds-bg-card);
  border: 1px solid var(--fds-border);
  border-radius: var(--fds-radius-lg);
  padding: var(--fds-space-md);
  box-shadow: var(--fds-glow-subtle);
}

.bot-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--fds-space-sm);
}

.bot-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--fds-text-primary);
  margin-bottom: var(--fds-space-md);
}

.bot-card__details {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--fds-space-md);
}

.bot-card__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
}

.bot-card__row .technical {
  font-size: 0.65rem;
}

.bot-card__row .mono {
  color: var(--fds-text-body);
}

.bot-card__actions {
  display: flex;
  gap: var(--fds-space-sm);
  padding-top: var(--fds-space-sm);
  border-top: 1px solid var(--fds-border-light);
}

.telegram-keyboard {
  margin-top: var(--fds-space-sm);
}

.keyboard-label {
  margin-bottom: var(--fds-space-sm);
  padding-left: 48px;
}

.inline-keyboard {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 0;
}

.inline-keyboard__btn {
  flex: 1;
  min-width: 80px;
  height: 40px;
  padding: 8px 16px;
  border-radius: var(--fds-radius-md);
  background: var(--fds-bg-glass);
  border: 1px solid var(--fds-border);
  color: var(--fds-text-body);
  font-family: var(--fds-font-sans);
  font-size: var(--fds-body-size);
  cursor: pointer;
  transition: all var(--fds-duration-fast) var(--fds-easing);
}

.inline-keyboard__btn:hover {
  background: var(--fds-bg-elevated);
  border-color: var(--fds-border-hover);
}

.inline-keyboard__btn:active {
  transform: scale(0.97);
}

/* ─── Usage / Framework Grid ─── */
.usage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--fds-space-lg);
}

.usage-card {
  background: var(--fds-bg-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--fds-border);
  border-radius: var(--fds-radius-lg);
  padding: var(--fds-space-xl);
  transition: border-color var(--fds-duration-normal) var(--fds-easing), transform var(--fds-duration-normal) var(--fds-easing);
}

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

.usage-card__icon {
  font-size: 2rem;
  margin-bottom: var(--fds-space-md);
}

.usage-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--fds-text-primary);
  margin-bottom: var(--fds-space-sm);
}

.usage-card p {
  font-size: 0.875rem;
  color: var(--fds-text-muted);
  line-height: 1.6;
}

/* ─── Footer ─── */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--fds-border);
  background: rgba(5, 5, 5, 0.5);
}

.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--fds-space-xl) var(--fds-space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--fds-space-md);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--fds-space-sm);
}

.footer__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fds-text-body);
}

.footer__links {
  display: flex;
  gap: var(--fds-space-lg);
}

.footer__link {
  color: var(--fds-text-muted);
  text-decoration: none;
  font-size: 0.8125rem;
  transition: color var(--fds-duration-fast) var(--fds-easing);
}

.footer__link:hover {
  color: var(--fds-text-primary);
}

.footer__technical {
  font-size: 0.65rem;
  opacity: 0.5;
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .nav__links {
    gap: var(--fds-space-md);
  }

  .nav__link {
    font-size: 0.75rem;
  }

  .hero__title {
    font-size: 1.75rem;
  }

  .section {
    padding: 48px var(--fds-space-md);
  }

  .token-grid,
  .component-showcase,
  .usage-grid {
    grid-template-columns: 1fr;
  }
}