/* ==========================================================================
   FeelFree Agency — style.css
   Base, typography, layout, backgrounds
   ========================================================================== */

html {
  background: var(--color-bg);
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: 380;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  overflow-x: hidden;
}

::selection {
  background: var(--color-accent);
  color: #111111;
}

/* ----- Skip link ----- */
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 300;
  padding: 0.75rem 1.25rem;
  background: var(--color-accent);
  color: #111;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transform: translateY(-200%);
  transition: transform 0.3s var(--ease-out);
}

.skip-link:focus-visible {
  transform: translateY(0);
}

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

.container--wide {
  max-width: var(--container-wide);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* ----- Sections ----- */
.section {
  position: relative;
  padding-block: var(--space-section);
}

.section--sm {
  padding-block: var(--space-section-sm);
}

.section--flush-top {
  padding-top: 0;
}

/* ----- Typography ----- */
h1, h2, h3, h4 {
  color: var(--color-text);
  font-weight: 560;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
}

.text-hero {
  font-size: var(--text-hero);
  font-weight: 620;
  line-height: var(--leading-tight);
  letter-spacing: -0.035em;
}

.text-display {
  font-size: var(--text-display);
  font-weight: 590;
  line-height: 1.06;
}

.text-title {
  font-size: var(--text-title);
  font-weight: 560;
  line-height: 1.1;
}

.text-heading {
  font-size: var(--text-heading);
  font-weight: 540;
  line-height: 1.2;
  letter-spacing: var(--tracking-snug);
}

.text-lead {
  font-size: var(--text-lead);
  font-weight: 380;
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.text-muted {
  color: var(--color-text-muted);
}

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

.text-gradient {
  background: linear-gradient(100deg, #ffffff 15%, var(--color-accent-warm) 55%, var(--color-accent) 90%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-tiny);
  font-weight: 540;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--color-accent);
  flex-shrink: 0;
}

.section-head {
  max-width: 900px;
  margin-bottom: clamp(3rem, 6vw, 5.5rem);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-head--center .eyebrow {
  justify-content: center;
}

.section-head .text-lead {
  margin-top: var(--space-3);
  max-width: 680px;
}

.section-head--center .text-lead {
  margin-inline: auto;
}

/* ----- Background system ----- */
.page-backdrop {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(1200px 800px at 82% -10%, rgba(255, 120, 98, 0.07), transparent 60%),
    radial-gradient(1000px 700px at -10% 30%, rgba(255, 255, 255, 0.025), transparent 60%),
    radial-gradient(900px 900px at 60% 110%, rgba(255, 120, 98, 0.045), transparent 55%),
    var(--color-bg);
}

.page-backdrop::before {
  /* engineering grid, extremely low opacity */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(1200px 900px at 50% 0%, black 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(1200px 900px at 50% 0%, black 0%, transparent 78%);
}

.page-backdrop::after {
  /* grain */
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%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)' opacity='0.55'/%3E%3C/svg%3E");
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: -1;
}

.glow--accent {
  background: radial-gradient(circle, rgba(255, 120, 98, 0.16), transparent 70%);
}

.glow--white {
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05), transparent 70%);
}

/* ----- Divider line motif ----- */
.rule {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--color-border-strong), transparent);
}

/* ----- Prose (articles, legal) ----- */
.prose {
  max-width: 720px;
}

.prose > * + * {
  margin-top: 1.4em;
}

.prose h2 {
  font-size: var(--text-heading);
  margin-top: 2.6em;
}

.prose h3 {
  font-size: 1.25rem;
  margin-top: 2em;
}

.prose p,
.prose li {
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.prose ul,
.prose ol {
  padding-left: 1.3em;
}

.prose li + li {
  margin-top: 0.55em;
}

.prose blockquote {
  border-left: 2px solid var(--color-accent);
  padding: 0.4rem 0 0.4rem 1.6rem;
  font-size: var(--text-lead);
  font-weight: 460;
  color: var(--color-text);
}

.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: var(--color-accent-soft);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--duration-fast) var(--ease-out);
}

.prose a:hover {
  text-decoration-color: var(--color-accent);
}

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

.no-wrap { white-space: nowrap; }