/* ============================================
   TERRAPHIM AGENTFORGE - DESIGN TOKENS
   Space + Quantum Field Theme
   ============================================ */
:root {
  --void: #080808;
  --void-light: #0e0e0e;
  --card-bg: #141414;
  --card-elevated: #1a1a1a;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(232, 128, 28, 0.3);

  --amber: #E8801C;
  --amber-dim: rgba(232, 128, 28, 0.15);
  --amber-glow: rgba(232, 128, 28, 0.08);
  --gold: #F5C518;
  --gold-dim: rgba(245, 197, 24, 0.12);

  --cyan: #22D3EE;
  --cyan-dim: rgba(34, 211, 238, 0.1);
  --indigo: #6366F1;
  --indigo-dim: rgba(99, 102, 241, 0.1);
  --pink: #F472B6;

  --silver-100: #f5f5f5;
  --silver-200: #d4d4d4;
  --silver-300: #b0b0b0;
  --silver-400: #9e9e9e;
  --silver-600: #8a8a8a;
  --silver-800: #6b6b6b;
  --green-ok: #22c55e;

  --font-display: 'Alumni Sans Pinstripe', sans-serif;
  --font-body: 'Jura', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

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

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.75rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
  --text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1rem);
  --text-lg: clamp(1.1rem, 1rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.25rem + 1vw, 2rem);
  --text-3xl: clamp(1.75rem, 1.5rem + 1.5vw, 2.5rem);
  --text-4xl: clamp(2rem, 1.75rem + 2vw, 3rem);
  --text-5xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
  --text-6xl: clamp(3rem, 2.5rem + 3vw, 5rem);

  --transition-fast: 0.2s ease;
  --transition-med: 0.35s ease;
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  --container-max: 75rem;
  --container-pad: clamp(1rem, 5vw, 3rem);
}

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

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

body {
  font-family: var(--font-body);
  background: var(--void);
  color: var(--silver-200);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

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

.skip-nav {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 200;
  padding: var(--space-3) var(--space-6);
  background: var(--amber);
  color: var(--void);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-nav:focus {
  top: var(--space-4);
}

*:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   QUANTUM CANVAS BACKGROUND
   ============================================ */
#quantum-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.visor::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0, 0, 0, 0.5) 100%);
  z-index: 1;
}

/* ============================================
   LAYOUT
   ============================================ */
.page-content {
  position: relative;
  z-index: 10;
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding: var(--space-24) 0;
}

.section--alt {
  background: var(--void-light);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-4) 0;
  background: rgba(8, 8, 8, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

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

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

.nav__logo {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.nav__wordmark {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--silver-100);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav__wordmark span {
  color: var(--amber);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav__link {
  font-size: var(--text-sm);
  color: var(--silver-400);
  transition: color var(--transition-fast);
  letter-spacing: 0.02em;
}

.nav__link:hover {
  color: var(--amber);
}

.nav__cta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--amber);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--amber-dim);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav__cta:hover {
  background: var(--amber-dim);
  border-color: var(--amber);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--silver-400);
  font-size: 1.25rem;
  cursor: pointer;
}

@media (max-width: 48em) {
  .nav__links {
    display: none;
  }

  .nav__toggle {
    display: block;
  }

  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(8, 8, 8, 0.95);
    backdrop-filter: blur(12px);
    padding: var(--space-6) var(--container-pad);
    gap: var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
  }
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--space-16);
}

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

@media (min-width: 60em) {
  .hero__inner {
    grid-template-columns: 1.2fr 1fr;
  }
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--amber-dim);
  border-radius: var(--radius-sm);
  background: var(--amber-glow);
  width: fit-content;
}

.hero__badge i {
  font-size: 0.6rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  font-weight: 400;
  line-height: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--silver-100);
}

.hero__title span {
  display: block;
  background: linear-gradient(135deg, var(--amber) 0%, var(--gold) 50%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--silver-400);
  max-width: 50ch;
  line-height: 1.7;
}

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

.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-8);
}

.psi-field {
  position: relative;
  width: 320px;
  height: 320px;
}

.psi-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 6rem;
  color: var(--cyan);
  text-shadow: 0 0 30px var(--cyan), 0 0 60px var(--indigo);
  animation: psi-breathe 4s ease-in-out infinite;
  user-select: none;
}

.psi-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px solid;
  transform: translate(-50%, -50%);
}

.psi-ring:nth-child(2) {
  width: 180px;
  height: 180px;
  border-color: rgba(99, 102, 241, 0.2);
  animation: orbit 8s linear infinite;
}

.psi-ring:nth-child(3) {
  width: 260px;
  height: 260px;
  border-color: rgba(232, 128, 28, 0.15);
  animation: orbit 12s linear infinite reverse;
}

.psi-ring:nth-child(4) {
  width: 320px;
  height: 320px;
  border-color: rgba(34, 211, 238, 0.1);
  animation: orbit 16s linear infinite;
}

.psi-node {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 10px var(--amber);
}

.psi-node:nth-child(5) {
  top: 10%;
  left: 30%;
  animation: pulse-node 3s ease-in-out infinite;
}

.psi-node:nth-child(6) {
  top: 60%;
  left: 85%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse-node 4s ease-in-out 1s infinite;
}

.psi-node:nth-child(7) {
  top: 80%;
  left: 20%;
  background: var(--indigo);
  box-shadow: 0 0 10px var(--indigo);
  animation: pulse-node 3.5s ease-in-out 0.5s infinite;
}

@keyframes psi-breathe {
  0%, 100% { opacity: 0.7; text-shadow: 0 0 20px var(--cyan), 0 0 40px var(--indigo); }
  50% { opacity: 1; text-shadow: 0 0 40px var(--cyan), 0 0 80px var(--indigo), 0 0 120px var(--pink); }
}

@keyframes orbit {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

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

/* ============================================
   HUD BUTTON
   ============================================ */
.hud-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  text-decoration: none;
  background: transparent;
  color: var(--amber);
  border: 1px solid var(--amber);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: background var(--transition-fast), color var(--transition-fast);
}

.hud-btn:hover {
  background: var(--amber);
  color: var(--void);
}

.hud-btn--ghost {
  border-color: var(--silver-600);
  color: var(--silver-300);
}

.hud-btn--ghost:hover {
  background: var(--silver-600);
  color: var(--void);
}

/* ============================================
   SECTION HEADER
   ============================================ */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-3);
}

.section-header__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--silver-100);
  margin-bottom: var(--space-3);
}

.section-header__subtitle {
  font-size: var(--text-lg);
  color: var(--silver-400);
  max-width: 60ch;
  margin-inline: auto;
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problems__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: var(--space-6);
}

.problem-card {
  padding: var(--space-8);
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  transition: border-color var(--transition-fast);
}

.problem-card:hover {
  border-color: var(--border-hover);
}

.problem-card__icon {
  font-size: var(--text-2xl);
  color: var(--amber);
  margin-bottom: var(--space-4);
}

.problem-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  text-transform: uppercase;
  color: var(--silver-100);
  margin-bottom: var(--space-3);
}

.problem-card__text {
  color: var(--silver-400);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* ============================================
   FEATURES / CAPABILITIES
   ============================================ */
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-6);
}

.feature-card {
  padding: var(--space-8);
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-med);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  opacity: 0;
  transition: opacity var(--transition-med);
}

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

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

.feature-card--highlight {
  background: linear-gradient(135deg, var(--card-bg) 0%, rgba(232, 128, 28, 0.05) 100%);
  border-color: var(--amber-dim);
  grid-column: span 2;
}

@media (max-width: 60em) {
  .feature-card--highlight {
    grid-column: span 1;
  }
}

.feature-card__icon {
  width: 3.5rem;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--amber-glow);
  border: 1px solid var(--amber-dim);
  border-radius: var(--radius-sm);
  color: var(--amber);
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
}

.feature-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  text-transform: uppercase;
  color: var(--silver-100);
  margin-bottom: var(--space-3);
}

.feature-card__text {
  color: var(--silver-400);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.feature-card__list {
  list-style: none;
}

.feature-card__list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) 0;
  font-size: var(--text-sm);
  color: var(--silver-300);
}

.feature-card__list li i {
  color: var(--amber);
  font-size: var(--text-xs);
}

/* ============================================
   TERMINAL DEMO
   ============================================ */
.terminal {
  background: var(--void);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

.terminal__header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-subtle);
}

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

.terminal__dot--red { background: #ef4444; }
.terminal__dot--yellow { background: #eab308; }
.terminal__dot--green { background: #22c55e; }

.terminal__title {
  flex: 1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--silver-600);
}

.terminal__body {
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.8;
}

.terminal__prompt { color: var(--silver-600); }
.terminal__command { color: var(--silver-100); }
.terminal__output { color: var(--silver-600); }
.terminal__highlight { color: var(--green-ok); }
.terminal__accent { color: var(--amber); }
.terminal__muted { color: var(--silver-600); }

/* ============================================
   PRICING
   ============================================ */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.pricing-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-fast);
}

.pricing-card:hover {
  border-color: var(--border-hover);
}

.pricing-card--popular {
  border-color: var(--amber);
  transform: scale(1.03);
  position: relative;
}

.pricing-card__badge {
  position: absolute;
  top: 0;
  right: 0;
  padding: var(--space-1) var(--space-4);
  background: var(--amber);
  color: var(--void);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  border-radius: 0 var(--radius-md) 0 var(--radius-md);
}

.pricing-card__header {
  padding: var(--space-8) var(--space-6) var(--space-4);
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
}

.pricing-card__name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  text-transform: uppercase;
  color: var(--silver-100);
  margin-bottom: var(--space-2);
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-1);
}

.pricing-card__amount {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  color: var(--silver-100);
}

.pricing-card__period {
  color: var(--silver-600);
  font-size: var(--text-sm);
}

.pricing-card__desc {
  color: var(--silver-400);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

.pricing-card__body {
  flex: 1;
  padding: var(--space-6);
}

.pricing-card__features {
  list-style: none;
}

.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--silver-300);
}

.pricing-card__features li i {
  color: var(--amber);
  font-size: var(--text-xs);
}

.pricing-card__footer {
  padding: var(--space-4) var(--space-6) var(--space-6);
  text-align: center;
}

.pricing-card__footer .hud-btn {
  width: 100%;
  justify-content: center;
}

.pricing__note {
  text-align: center;
  color: var(--silver-600);
  font-size: var(--text-sm);
}

/* ============================================
   SIGNUP / WAITLIST
   ============================================ */
.signup {
  text-align: center;
}

.signup__form {
  display: flex;
  gap: var(--space-3);
  max-width: 500px;
  margin: var(--space-8) auto 0;
  flex-wrap: wrap;
  justify-content: center;
}

.signup__input {
  flex: 1;
  min-width: 250px;
  padding: var(--space-3) var(--space-4);
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--silver-200);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--transition-fast);
}

.signup__input::placeholder {
  color: var(--silver-600);
}

.signup__input:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px var(--amber-dim);
}

/* ============================================
   FAQ
   ============================================ */
.faq__list {
  max-width: 50rem;
  margin-inline: auto;
}

.faq__item {
  margin-bottom: var(--space-3);
  background: var(--card-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  cursor: pointer;
  font-weight: 500;
  color: var(--silver-200);
  list-style: none;
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question span {
  flex: 1;
}

.faq__question i {
  transition: transform var(--transition-med);
  color: var(--silver-600);
}

.faq__item[open] .faq__question i {
  transform: rotate(180deg);
}

.faq__answer {
  padding: 0 var(--space-6) var(--space-4);
  color: var(--silver-400);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* ============================================
   CTA DARK
   ============================================ */
.cta-dark {
  background: linear-gradient(135deg, var(--void-light) 0%, rgba(232, 128, 28, 0.03) 100%);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  text-align: center;
}

.cta-dark__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  text-transform: uppercase;
  color: var(--silver-100);
  margin-bottom: var(--space-4);
}

.cta-dark__text {
  color: var(--silver-400);
  margin-bottom: var(--space-8);
}

.cta-dark__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--border-subtle);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  text-transform: uppercase;
  color: var(--silver-300);
}

.footer__brand span {
  color: var(--amber);
}

.footer__links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.footer__link {
  color: var(--silver-600);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--amber);
}

.footer__link i {
  margin-right: var(--space-1);
}

.footer__copyright {
  width: 100%;
  text-align: center;
  font-size: var(--text-xs);
  color: var(--silver-800);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
}

@media (max-width: 48em) {
  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ============================================
   STAGGER REVEAL ANIMATION
   ============================================ */
.stagger > * {
  opacity: 0;
  transform: translateY(1rem);
  animation: reveal-up 0.6s var(--transition-slow) forwards;
}

.stagger > *:nth-child(1) { animation-delay: 0ms; }
.stagger > *:nth-child(2) { animation-delay: 100ms; }
.stagger > *:nth-child(3) { animation-delay: 200ms; }
.stagger > *:nth-child(4) { animation-delay: 300ms; }
.stagger > *:nth-child(5) { animation-delay: 400ms; }

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