@import "tailwindcss";

/* ---- local fonts (replaces next/font/local) ----
   Same family names, fallback faces and metric overrides that next/font generated, so text
   (including Persian glyphs inside font-mono, which fall back to the size-adjusted Arial face)
   renders exactly as before. */
@font-face {
  font-family: "vazirmatn";
  src: url("/fonts/Vazirmatn-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "vazirmatn Fallback";
  src: local("Arial");
  ascent-override: 102.54%;
  descent-override: 53.71%;
  line-gap-override: 0%;
  size-adjust: 100%;
}
@font-face {
  font-family: "ibmPlexMono";
  src: url("/fonts/IBMPlexMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "ibmPlexMono";
  src: url("/fonts/IBMPlexMono-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "ibmPlexMono";
  src: url("/fonts/IBMPlexMono-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "ibmPlexMono Fallback";
  src: local("Arial");
  ascent-override: 77.95%;
  descent-override: 20.91%;
  line-gap-override: 0%;
  size-adjust: 131.49%;
}

:root {
  --font-vazirmatn: "vazirmatn", "vazirmatn Fallback", Tahoma, system-ui, sans-serif;
  --font-ibm-plex-mono: "ibmPlexMono", "ibmPlexMono Fallback", ui-monospace, monospace;
}

@theme {
  --font-sans: var(--font-vazirmatn), ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif; /* font variables defined in :root above */
  --font-mono: var(--font-ibm-plex-mono), "Vazirmatn", ui-monospace, monospace; /* font variables defined in :root above */

  --color-bg: #0a0a0c;
  --color-panel: #121216;
  --color-panel-2: #17171c;
  --color-ink: #edede6;
  --color-muted: #8e8e96;
  --color-accent: #ff5a00;
  --color-accent-soft: #ff7a2a;
  --color-hazard: #ffb800;
  --color-line: #232329;

  --animate-marquee: marquee 32s linear infinite;
  --animate-spin-slow: spin-slow 18s linear infinite;
  --animate-blink: blink 1.1s steps(2, start) infinite;
  --animate-fade-up: fade-up 1s cubic-bezier(0.22, 1, 0.36, 1) both;

  @keyframes marquee {
    from {
      transform: translateX(0);
    }
    to {
      transform: translateX(-50%);
    }
  }
  @keyframes spin-slow {
    to {
      transform: rotate(360deg);
    }
  }
  @keyframes blink {
    to {
      visibility: hidden;
    }
  }
  @keyframes fade-up {
    from {
      opacity: 0;
      transform: translateY(44px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

/* added for migration: CSS-only entrance animation for Hero (no JS dependency, content visible in server HTML) */
.animate-fade-up-1 {
  animation: var(--animate-fade-up);
  animation-delay: 0.15s;
}
.animate-fade-up-2 {
  animation: var(--animate-fade-up);
  animation-delay: 0.28s;
}
.animate-fade-up-3 {
  animation: var(--animate-fade-up);
  animation-delay: 0.42s;
}
.animate-fade-up-4 {
  animation: var(--animate-fade-up);
  animation-delay: 0.55s;
}
.animate-fade-up-5 {
  animation: var(--animate-fade-up);
  animation-delay: 0.68s;
}
.animate-fade-up-6 {
  animation: var(--animate-fade-up);
  animation-delay: 0.7s;
}
.animate-fade-up-7 {
  animation: var(--animate-fade-up);
  animation-delay: 0.82s;
}
.animate-fade-up-8 {
  animation: var(--animate-fade-up);
  animation-delay: 0.9s;
}
.animate-fade-up-9 {
  animation: var(--animate-fade-up);
  animation-delay: 1s;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-ink);
  overflow-x: hidden;
}

::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: #2c2c33;
  border-radius: 8px;
  border: 2px solid var(--color-bg);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* ---- hazard tape (yellow/black diagonal stripes) ---- */
.hazard {
  background-image: repeating-linear-gradient(
    -45deg,
    #ffb800 0 14px,
    #0a0a0c 14px 28px
  );
}

/* ---- blueprint grid ---- */
.bg-grid {
  background-image:
    linear-gradient(to left, rgba(237, 237, 230, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(237, 237, 230, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
}
.bg-grid-fine {
  background-image:
    linear-gradient(to left, rgba(237, 237, 230, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(237, 237, 230, 0.03) 1px, transparent 1px);
  background-size: 28px 28px;
}

/* ---- film grain ---- */
.noise {
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- outlined display text ---- */
.text-outline {
  color: transparent;
  -webkit-text-stroke: 1px rgba(237, 237, 230, 0.16);
}

/* ---- vertical safety tape strip ---- */
.tape-v {
  background-image: repeating-linear-gradient(
    45deg,
    #ffb800 0 10px,
    #0a0a0c 10px 20px
  );
}