/* ==========================================================================
   Venom Racing — Global Styles
   Base resets, typography, and site-wide layout rules for the dark
   performance theme. Component-specific styles live in components.css.
   ========================================================================== */

/* ---------------------------------------------------------------------
   Reset / Base
   --------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-primary);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  /* Layered, fixed atmosphere so every page feels alive as you scroll —
     pure CSS, no JS, negligible cost. */
  background-image: var(--bg-atmosphere);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  /* Soft fade-in on first paint (reuses the fadeIn keyframe) */
  animation: fadeIn var(--transition-base) ease both;
}

/* Locks background scroll while the mobile nav dropdown is open. */
body.nav-open {
  overflow: hidden;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

ul,
ol {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

/* ---------------------------------------------------------------------
   Typography
   --------------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--color-white);
  text-transform: uppercase;
}

h1 {
  /* Big motorsport display face; fluid so it never overflows on small
     screens. Bebas Neue reads better with a touch of positive tracking. */
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 8vw, var(--fs-5xl));
  letter-spacing: 0.01em;
  font-weight: var(--fw-regular);
}

h2 {
  font-size: var(--fs-3xl);
}

h3 {
  font-size: var(--fs-2xl);
}

h4 {
  font-size: var(--fs-xl);
  text-transform: none;
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-red-bright);
  margin-bottom: var(--space-sm);
}

.text-accent {
  color: var(--color-red-bright);
}

/* ---------------------------------------------------------------------
   Layout helpers
   --------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  /* Scales up at larger breakpoints — see responsive.css. Kept smaller on
     mobile so heading + content + cards can comfortably fit in view. */
  padding-block: var(--space-2xl);
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------------------------------------------------------------------
   Metallic / carbon-fibre texture utilities
   Low-contrast background accents for premium sections — kept subtle
   so they read as texture, not pattern.
   --------------------------------------------------------------------- */
.texture-carbon {
  background-image:
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.015) 0px, rgba(255, 255, 255, 0.015) 1px, transparent 1px, transparent 6px),
    repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.015) 0px, rgba(255, 255, 255, 0.015) 1px, transparent 1px, transparent 6px);
}

.texture-metallic {
  background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0) 40%, rgba(255, 255, 255, 0.03) 100%);
}

/* ---------------------------------------------------------------------
   Focus states — accessibility
   --------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-red-bright);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------------
   Selection
   --------------------------------------------------------------------- */
::selection {
  background-color: var(--color-red);
  color: var(--color-white);
}

/* ---------------------------------------------------------------------
   Scrollbar (webkit)
   --------------------------------------------------------------------- */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-carbon);
}

::-webkit-scrollbar-thumb {
  background: var(--color-graphite-light);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-red-dark);
}