/* ============================================
   BOLD & AGGRESSIVE DESIGN SYSTEM — 60/30/10
   60% Black  · #0F0F0F  (canvas, surfaces)
   30% Red    · #C8102E  (hero, sidebars, blocks)
   10% White  · #FFFFFF  (typography, icons)
   8K-ready · cinematic edge · automotive grade
   ============================================ */

:root {
  /* === 60 / 30 / 10 CORE === */
  --ink:       #0F0F0F;             /* 60% dominant */
  --blood:     #C8102E;             /* 30% secondary */
  --paper:     #FFFFFF;             /* 10% accent */

  /* === BRAND (legacy aliases — all routed to blood red) === */
  --brand-red:        #C8102E;
  --brand-red-soft:   #E63048;      /* hover lift */
  --brand-red-deep:   #8B0A1F;      /* shadow, pressed */
  --brand-red-rgb:    200, 16, 46;

  /* === SIGNATURE GRADIENT — monochrome red/ink, no rainbow === */
  --gemini-gradient:      linear-gradient(135deg, #8B0A1F 0%, #C8102E 50%, #FF2D4A 100%);
  --gemini-gradient-soft: linear-gradient(135deg, rgba(139,10,31,0.22) 0%, rgba(200,16,46,0.22) 50%, rgba(255,45,74,0.22) 100%);

  /* Legacy multi-hue token aliases — collapsed to brand for unity */
  --gemini-sapphire:  #C8102E;
  --gemini-violet:    #8B0A1F;
  --gemini-rose:      #C8102E;
  --gemini-coral:     #E63048;
  --gemini-aurora:    #FFFFFF;       /* "green" semantic → white in this theme */
  --gemini-amber:     #FFFFFF;       /* "amber" semantic → white in this theme */

  /* === BACKGROUNDS === */
  --bg-primary:    #0F0F0F;          /* 60% canvas */
  --bg-secondary:  #131313;
  --bg-tertiary:   #181818;
  --bg-card:       #141414;
  --bg-card-hover: #1B1B1B;
  --bg-elevated:   #1F1F1F;

  /* === TEXT === */
  --text-primary:   #FFFFFF;         /* 10% accent — full white */
  --text-secondary: #C9C9C9;
  --text-tertiary:  #8A8A8A;
  --text-muted:     #555555;

  /* === ACCENT === */
  --accent-primary: var(--blood);
  --accent-glow:    rgba(200, 16, 46, 0.28);

  /* === BORDERS — thicker, harder for the aggressive look === */
  --border-subtle: #232323;
  --border-medium: #353535;
  --border-strong: var(--blood);
  --border-focus:  rgba(200, 16, 46, 0.75);

  /* === SEMANTIC === */
  --success: #1FA85A;
  --warning: var(--blood);
  --error:   var(--blood);
  --info:    var(--paper);

  /* === TYPOGRAPHY === */
  --font-primary: 'Urbanist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
  --font-display: 'Urbanist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
  --font-mono:    'SF Mono', 'JetBrains Mono', Monaco, 'Cascadia Code', Consolas, monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;
  --text-7xl:  4.5rem;
  --text-8xl:  6rem;
  --text-9xl:  8rem;

  --leading-none:    1;
  --leading-tight:   1.05;            /* tighter — more aggressive */
  --leading-snug:    1.25;
  --leading-normal:  1.5;
  --leading-relaxed: 1.65;
  --leading-loose:   2;

  --font-light:    300;
  --font-normal:   400;
  --font-medium:   500;
  --font-semibold: 600;
  --font-bold:     700;
  --font-black:    900;

  --tracking-crushed: -0.06em;        /* display crush */
  --tracking-tighter: -0.045em;
  --tracking-tight:   -0.02em;
  --tracking-normal:  0;
  --tracking-wide:    0.04em;
  --tracking-wider:   0.08em;
  --tracking-widest:  0.18em;

  /* === SPACING === */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* === RADIUS — sharper, more architectural === */
  --radius-sm:   0.15rem;
  --radius-md:   0.3rem;
  --radius-lg:   0.5rem;
  --radius-xl:   0.75rem;
  --radius-2xl:  1rem;
  --radius-full: 9999px;

  --border-width:    1px;
  --border-width-2:  2px;
  --border-width-3:  3px;
  --border-width-4:  4px;
  --hairline:        0.5px;

  /* === SHADOWS — hard, cinematic, automotive === */
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.7);
  --shadow-md: 0 4px 10px -2px rgba(0,0,0,0.65), 0 2px 4px -2px rgba(0,0,0,0.4);
  --shadow-lg: 0 14px 28px -8px rgba(0,0,0,0.7), 0 6px 14px -4px rgba(0,0,0,0.5);
  --shadow-xl: 0 28px 56px -14px rgba(0,0,0,0.8), 0 14px 28px -10px rgba(0,0,0,0.55);
  --shadow-2xl: 0 48px 96px -24px rgba(0,0,0,0.88);
  --shadow-blood: 0 14px 32px -8px rgba(200,16,46,0.55), 0 4px 12px -2px rgba(200,16,46,0.4);
  --shadow-glow: 0 0 32px rgba(200,16,46,0.45), 0 0 80px rgba(200,16,46,0.18);
  --shadow-glow-blue: var(--shadow-glow);
  --shadow-glow-violet: var(--shadow-glow);

  /* === TRANSITIONS === */
  --transition-fast: 150ms cubic-bezier(0.2, 0, 0, 1);
  --transition-base: 220ms cubic-bezier(0.2, 0, 0, 1);
  --transition-slow: 360ms cubic-bezier(0.2, 0, 0, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-emphasized: cubic-bezier(0.2, 0, 0, 1);
}

/* -------------------- 8K / HIGH-DPI TYPOGRAPHY -------------------- */

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

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1, "ss01" 1;
  font-variant-ligatures: common-ligatures contextual;
  font-optical-sizing: auto;
  letter-spacing: -0.005em;
}

/* Crisp rendering on retina / 4K / 8K */
@media (min-resolution: 2dppx), (min-resolution: 192dpi) {
  body {
    -webkit-font-smoothing: subpixel-antialiased;
    text-rendering: geometricPrecision;
  }
  img, video {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: high-quality;
  }
}

@media (min-resolution: 4dppx) {
  :root { --hairline: 0.25px; }
}

/* -------------------- 2.5K / 4K / 8K LAYOUT & TYPE SCALING -------------------- */

@media (min-width: 2560px) {
  :root {
    --text-base: 1.1rem;
    --text-lg:   1.25rem;
    --text-xl:   1.4rem;
    --text-2xl:  1.7rem;
    --text-3xl:  2.1rem;
    --text-4xl:  2.6rem;
    --text-5xl:  3.4rem;
    --text-6xl:  4.2rem;
    --text-7xl:  5.2rem;
    --text-8xl:  7rem;
    --text-9xl:  9.5rem;
    --space-4:   1.15rem;
    --space-6:   1.75rem;
    --space-8:   2.3rem;
    --space-12:  3.5rem;
    --space-16:  4.6rem;
    --space-20:  5.75rem;
    --space-24:  7rem;
    --radius-md: 0.35rem;
    --radius-lg: 0.55rem;
    --radius-xl: 0.85rem;
    --shadow-glow: 0 0 48px rgba(200,16,46,0.5), 0 0 100px rgba(200,16,46,0.2);
  }

  .display-1 { font-size: clamp(4.5rem, 10vw, 11rem); }
  .display-2 { font-size: clamp(3.5rem, 8vw,  9rem); }
  .display-3 { font-size: clamp(2.8rem, 6.5vw, 7.5rem); }
  .h1 { font-size: clamp(3.5rem, 5.5vw, 6rem); }
  .h2 { font-size: clamp(2.8rem, 4.5vw, 5rem); }
  .h3 { font-size: clamp(2.2rem, 3.5vw, 4rem); }
  .stat-number { font-size: clamp(4rem, 7vw, 9rem); }

  *::-webkit-scrollbar { width: 14px; height: 14px; }
}

@media (min-width: 3840px) {
  :root {
    --text-base: 1.25rem;
    --text-lg:   1.5rem;
    --text-xl:   1.7rem;
    --text-2xl:  2rem;
    --text-3xl:  2.5rem;
    --text-4xl:  3rem;
    --text-5xl:  4rem;
    --text-6xl:  5rem;
    --text-7xl:  6.5rem;
    --text-8xl:  8.5rem;
    --text-9xl:  11rem;
    --space-4:   1.35rem;
    --space-6:   2rem;
    --space-8:   2.7rem;
    --space-12:  4rem;
    --space-16:  5.5rem;
    --space-20:  6.8rem;
    --space-24:  8.5rem;
    --radius-md: 0.4rem;
    --radius-lg: 0.65rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.4rem;
  }

  .display-1 { font-size: clamp(6rem, 9vw, 16rem); }
  .display-2 { font-size: clamp(5rem, 7.5vw, 13rem); }
  .display-3 { font-size: clamp(4rem, 6vw,  10rem); }
  .h1 { font-size: clamp(4.5rem, 5vw, 8rem); }
  .h2 { font-size: clamp(3.5rem, 4vw, 6.5rem); }
  .h3 { font-size: clamp(2.8rem, 3.2vw, 5rem); }
  .stat-number { font-size: clamp(5rem, 6vw, 12rem); }

  *::-webkit-scrollbar { width: 16px; height: 16px; }
}

img, video, svg {
  max-width: 100%;
  height: auto;
  image-rendering: auto;
}

/* -------------------- TYPOGRAPHY UTILITIES (8K AGGRESSIVE) -------------------- */

.display-1 {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9.5vw, var(--text-9xl));
  font-weight: var(--font-black);
  line-height: var(--leading-none);
  letter-spacing: var(--tracking-crushed);
  color: var(--text-primary);
  text-transform: uppercase;
}
.display-2 {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, var(--text-8xl));
  font-weight: var(--font-black);
  line-height: var(--leading-none);
  letter-spacing: var(--tracking-tighter);
  color: var(--text-primary);
}
.display-3 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5.5vw, var(--text-7xl));
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}

.h1 { font: var(--font-black)   var(--text-5xl)/var(--leading-tight) var(--font-primary); letter-spacing: var(--tracking-tight); color: var(--text-primary); }
.h2 { font: var(--font-bold)    var(--text-4xl)/var(--leading-tight) var(--font-primary); color: var(--text-primary); }
.h3 { font: var(--font-bold)    var(--text-3xl)/var(--leading-snug)  var(--font-primary); color: var(--text-primary); }
.h4 { font: var(--font-semibold) var(--text-2xl)/var(--leading-snug)  var(--font-primary); color: var(--text-primary); }
.h5 { font: var(--font-semibold) var(--text-xl)/var(--leading-normal) var(--font-primary); color: var(--text-primary); }
.h6 { font: var(--font-semibold) var(--text-lg)/var(--leading-normal) var(--font-primary); color: var(--text-primary); }

.body-large { font-size: var(--text-lg);  line-height: var(--leading-relaxed); color: var(--text-secondary); }
.body       { font-size: var(--text-base); line-height: var(--leading-relaxed); color: var(--text-secondary); }
.body-small { font-size: var(--text-sm);  line-height: var(--leading-normal);  color: var(--text-secondary); }

.caption {
  font-size: var(--text-xs);
  line-height: var(--leading-normal);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  font-weight: var(--font-bold);
}

.label {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, var(--text-7xl));
  font-weight: var(--font-black);
  line-height: var(--leading-none);
  color: var(--text-primary);
  letter-spacing: var(--tracking-crushed);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  font-weight: var(--font-bold);
}

.code {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-primary);
  background: var(--bg-card);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

/* Blood-on-paper gradient text */
.gradient-text {
  background: var(--gemini-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* Solid blood text utility */
.blood-text { color: var(--blood); }

/* -------------------- GLOBAL STYLES -------------------- */

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: var(--font-black);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
}

p { margin: 0; }

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover { color: var(--blood); }

::selection {
  background-color: var(--blood);
  color: var(--paper);
}

/* -------------------- AGGRESSIVE UTILITY BLOCKS -------------------- */

.block-red {
  background: var(--blood);
  color: var(--paper);
}
.block-ink {
  background: var(--ink);
  color: var(--paper);
}
.border-thick-red { border: 4px solid var(--blood); }
.divider-red {
  height: 4px;
  background: var(--blood);
  width: 80px;
  margin: 1.5rem 0;
}

/* -------------------- UX: FOCUS RINGS -------------------- */

:focus-visible {
  outline: 3px solid var(--blood);
  outline-offset: 3px;
  border-radius: 2px;
  transition: outline-offset var(--transition-fast);
}

button, [role="button"] { -webkit-tap-highlight-color: transparent; }

/* -------------------- UX: CUSTOM SCROLLBAR -------------------- */

* {
  scrollbar-width: thin;
  scrollbar-color: var(--blood) transparent;
}

*::-webkit-scrollbar { width: 12px; height: 12px; }
*::-webkit-scrollbar-track { background: var(--ink); }
*::-webkit-scrollbar-thumb {
  background: var(--blood);
  border-radius: 0;                         /* hard rectangular handle */
  border: 3px solid var(--ink);
  background-clip: padding-box;
}
*::-webkit-scrollbar-thumb:hover { background: var(--brand-red-soft); background-clip: padding-box; }

/* -------------------- UX: REDUCED MOTION -------------------- */

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