@import "./tokens.css";

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

html, body {
  max-width: 100%;
  overflow-x: clip;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-black-soft);
  background: var(--color-white-soft);
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* 50k TIER: SUB-PERCEPTUAL ANALOG FILM GRAIN OVERLAY */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9998;
  pointer-events: none;
  opacity: 0.022;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

a { color: inherit; }

:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

.site-header :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--color-black);
}

.mobile-nav :focus-visible {
  outline-color: var(--color-white);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 9999;
  padding: var(--space-3) var(--space-4);
  background: var(--color-black);
  color: var(--color-white);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
}

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

/* Container & Breakpoints Fluid Hierarchy */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1rem;
}

/* 320px - 360px (Small Mobile: iPhone SE 1st/2nd, Galaxy A) */
@media (max-width: 360px) {
  .container {
    padding-inline: 0.875rem;
  }
}

/* sm+ (480px+) */
@media (min-width: 480px) {
  .container {
    padding-inline: 1.25rem;
  }
}

/* lg+ — tablet retrato */
@media (min-width: 768px) {
  .container {
    padding-inline: 1.75rem;
  }
}

/* 2xl+ — notebook padrão */
@media (min-width: 1280px) {
  .container {
    padding-inline: 2.25rem;
  }
}

/* 3xl+ — desktop médio / MacBook escalado */
@media (min-width: 1440px) {
  .container {
    padding-inline: 2.5rem;
  }
}

/* 5xl+ — ultrawide / 4K */
@media (min-width: 2560px) {
  .container {
    padding-inline: 3.5rem;
  }
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gray-mid);
  font-weight: 600;
}

.section-label--light { color: var(--color-gray-light); }

h1, h2, h3, h4, h5, h6, p, a, span {
  overflow-wrap: break-word;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

h1 { font-size: clamp(1.65rem, 6.5vw, 3.25rem); }
h2 { font-size: clamp(1.35rem, 5vw, 2.25rem); }
h3 { font-size: clamp(1.05rem, 3.8vw, 1.375rem); }

/* 50k TIER: METALLIC GRADIENT HEADINGS & TELEMETRY NUMBERS */
.section--dark h1,
.section--dark h2,
.hero--video h1,
.hero-copy-slider__title {
  background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 60%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.telemetry-num,
.hero__proof-val,
.hero-tab__num,
.hero-cockpit__counter,
.stat-card__val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.prose p + p { margin-top: var(--space-4); }

.grain {
  position: relative;
}

.grain::before {
  content: "";
  pointer-events: none;
  position: absolute;
  inset: 0;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.grid-tech {
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

.img-industrial {
  filter: none;
}