*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-body);
  transition: background-color var(--dur-base) var(--ease-out-expo), color var(--dur-base) var(--ease-out-expo);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text-primary);
}

p { margin: 0; }

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, select, textarea { font-family: inherit; }

ul, ol { margin: 0; padding: 0; list-style: none; }

::selection {
  background: var(--color-primary);
  color: #fff;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-body);
}
::-webkit-scrollbar-thumb:hover { background: var(--color-primary-dark); }
* { scrollbar-width: thin; scrollbar-color: var(--color-primary) transparent; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}


.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.section {
  padding-block: var(--space-3xl);
  position: relative;
}

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-2xl);
}

.section-head.center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-accent);
  font-size: var(--fs-caption);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--gradient-primary-soft);
  padding: var(--space-2xs) var(--space-sm);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: var(--fs-display-lg);
  margin-bottom: var(--space-sm);
}

.section-sub {
  color: var(--text-secondary);
  font-size: var(--fs-body-lg);
}


.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--border-glass);
}

.glass-strong {
  background: var(--bg-glass-strong);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--border-glass);
}


.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  font-family: var(--font-accent);
  font-weight: 600;
  font-size: var(--fs-body-sm);
  letter-spacing: 0.01em;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius-full);
  transition: transform var(--dur-fast) var(--ease-spring), box-shadow var(--dur-base) var(--ease-out-expo), background var(--dur-base);
  white-space: nowrap;
  position: relative;
  isolation: isolate;
}

.btn:active { transform: scale(0.96); }

.btn-primary {
  background: var(--gradient-primary);
  background-size: 160% 160%;
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  background-position: 100% 0;
  box-shadow: 0 20px 45px -10px rgba(79,70,229,0.45);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-glass-strong);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 0.7rem 1rem;
}
.btn-ghost:hover { color: var(--color-primary); }

.btn-sm { padding: 0.6rem 1.1rem; font-size: var(--fs-caption); }
.btn-lg { padding: 1.1rem 2.1rem; font-size: var(--fs-body); }
.btn-block { width: 100%; }
.btn-icon { padding: 0.7rem; border-radius: var(--radius-full); }

.btn { overflow: hidden; }
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.55);
  transform: scale(0);
  animation: ripple-anim 600ms var(--ease-out-expo);
  pointer-events: none;
}
@keyframes ripple-anim {
  to { transform: scale(3); opacity: 0; }
}


.blob-field {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
  will-change: transform;
}


.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-caption);
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--bg-glass-strong);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
}

.chip-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 3px rgba(34,197,94,0.2);
}


.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--border-glass);
  border-radius: var(--radius-sm);
}
.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
  transform: translateX(-100%);
  animation: skeleton-sweep 1.4s infinite;
}
[data-theme="dark"] .skeleton::after {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
}
@keyframes skeleton-sweep {
  100% { transform: translateX(100%); }
}


.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;
}