/* ============================================================
   Design2Debug — static HTML/Tailwind/JS build
   Design tokens + editorial utility classes (ported from the
   original Tailwind v4 `@theme` + custom CSS in styles.css)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --radius: 0px;

  /* Paper & ink */
  --paper: #ffffff;
  --paper-2: #f6f7f9;
  --ink: #1a1d29;
  --ink-soft: #5b6172;
  --rule: #dee1e8;

  /* IBM blue */
  --brand: #2f5fdc;
  --brand-hover: #24439f;
  --brand-soft: #eaf0fe;

  /* Accent tones */
  --accent-2: #59c7c9;
  --tone-teal: #3fa8ab;
  --tone-amber: #e0a63d;
  --tone-pink: #d15a72;
  --tone-violet: #7c5cd6;

  --destructive: #d13b3b;

  --shadow-elegant: 0 18px 40px -24px rgba(26, 29, 41, 0.3);
  --shadow-glow: 0 0 0 1px var(--brand), 0 12px 32px -18px var(--brand);
}

* { border-color: var(--rule); box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  margin: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  letter-spacing: -0.02em;
  margin: 0;
}

.font-mono { font-family: "IBM Plex Mono", ui-monospace, monospace; }

/* --- Editorial helpers --- */
.container-ibm {
  width: 100%;
  margin-inline: auto;
  padding-inline: 1.25rem;
  max-width: 1440px;
}
@media (min-width: 768px) { .container-ibm { padding-inline: 2rem; } }
@media (min-width: 1280px) { .container-ibm { padding-inline: 3rem; } }

.eyebrow {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.display-1 {
  font-size: clamp(2.5rem, 6vw, 5.25rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 300;
}
.display-2 {
  font-size: clamp(2rem, 4.2vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 300;
}

/* --- Animations --- */
@keyframes auto-slide {
  0%,18% { transform: translateX(0); }
  22%,40% { transform: translateX(-100%); }
  44%,62% { transform: translateX(-200%); }
  66%,84% { transform: translateX(-300%); }
  88%,100% { transform: translateX(-400%); }
}
.animate-auto-slide > * { flex: 0 0 100%; }
.animate-auto-slide { animation: auto-slide 18s ease-in-out infinite; }

.grid-bg {
  background-image:
    linear-gradient(to right, rgba(26,29,41,0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(26,29,41,0.06) 1px, transparent 1px);
  background-size: 56px 56px;
}

@keyframes float-soft {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.animate-float { animation: float-soft 6s ease-in-out infinite; }

@keyframes blob {
  0%, 100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(20px,-10px) scale(1.05); }
  66% { transform: translate(-15px,10px) scale(0.97); }
}
.animate-blob { animation: blob 14s ease-in-out infinite; }

.shadow-elegant { box-shadow: var(--shadow-elegant); }
.shadow-glow { box-shadow: var(--shadow-glow); }

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.animate-gradient { background-size: 200% 200%; animation: gradient-shift 8s ease infinite; }

.text-gradient-brand {
  background-image: linear-gradient(100deg, var(--brand) 0%, var(--tone-violet) 35%, var(--tone-pink) 65%, var(--tone-amber) 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-shift 10s ease infinite;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.animate-fade-in { animation: fade-in 0.6s ease-out both; }
.animate-scale-in { animation: fade-up 0.35s ease-out both; }

/* Reveal-on-scroll: hidden until [data-revealed="true"] is set by JS. */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
.reveal[data-revealed="true"] { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .animate-gradient, .text-gradient-brand, .animate-blob, .animate-float, .animate-auto-slide { animation: none; }
}

.accent-stripe {
  display: block;
  height: 3px;
  width: 64px;
  background: linear-gradient(90deg, var(--brand), var(--tone-violet), var(--tone-pink), var(--tone-amber));
  background-size: 200% 100%;
  animation: gradient-shift 6s ease infinite;
}

.blob-color {
  position: absolute;
  border-radius: 9999px;
  filter: blur(60px);
  opacity: 0.45;
  pointer-events: none;
}

/* Hide scrollbars on snap-sliders */
.no-scrollbar { scrollbar-width: none; -ms-overflow-style: none; }
.no-scrollbar::-webkit-scrollbar { display: none; }

/* lucide icon default sizing inside our components */
[data-lucide] { width: 1em; height: 1em; }