/* ════════════════════════════════════════════════════════════
   FRITON.AGENCY — base.css
   Variables, resets, typography, header, footer, custom cursor,
   ambient + grain overlays, scroll progress, shared utilities
   ════════════════════════════════════════════════════════════ */

:root {
  --bg-0: #0a0a0c;
  --bg-1: #111114;
  --ink-0: #f5f1ea;
  --ink-1: #b6b1a6;
  --ink-2: #5a554c;
  --accent: #ff4d2e;
  --accent-soft: #ff6b4d;
  --secondary: #6b7afc;
  --line: rgba(245, 241, 234, 0.10);
  --serif: 'Cormorant Garamond', 'Times New Roman', serif;
  --sans: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  background: var(--bg-0);
  color: var(--ink-0);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: 0.005em;
  overflow-x: hidden;
  cursor: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a, button {
  cursor: none;
  color: inherit;
  text-decoration: none;
  font-family: inherit;
}

/* ── Custom cursor ── */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 1000;
  border-radius: 50%;
  mix-blend-mode: difference;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: var(--ink-0);
  transform: translate(-50%, -50%);
  transition: transform 0.15s, background 0.2s;
}
.cursor-ring {
  width: 38px; height: 38px;
  border: 1px solid var(--ink-0);
  transform: translate(-50%, -50%) scale(1);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.3s;
}
.cursor-ring.hover { transform: translate(-50%, -50%) scale(1.8); border-color: var(--accent); }
.cursor-dot.hover { background: var(--accent); transform: translate(-50%, -50%) scale(0); }

/* ── Loader ── */
.loader {
  position: fixed; inset: 0;
  background: var(--bg-0);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 28px;
  transition: opacity 0.7s, visibility 0.7s;
}
.loader.hidden { opacity: 0; visibility: hidden; }
.loader-mark {
  font-family: var(--serif);
  font-size: 56px; font-weight: 300;
  letter-spacing: 0.12em;
}
.loader-mark span { color: var(--accent); }
.loader-meter {
  width: 240px; height: 1px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}
.loader-meter::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: meterSlide 1.4s ease-in-out infinite;
}
@keyframes meterSlide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.loader-status {
  font-family: var(--mono);
  font-size: 10px; letter-spacing: 0.4em;
  color: var(--ink-2); text-transform: uppercase;
}
.loader-error {
  margin-top: 24px;
  font-family: var(--mono);
  font-size: 11px;
  color: #ff5577;
  max-width: 540px;
  text-align: center;
  letter-spacing: 0.1em;
  line-height: 1.6;
  display: none;
  white-space: pre-wrap;
}

/* ── Backgrounds ── */
.ambient {
  position: fixed; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse at 70% 30%, rgba(255, 77, 46, 0.10), transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(107, 122, 252, 0.06), transparent 55%),
    var(--bg-0);
  pointer-events: none;
}
.grain {
  position: fixed; inset: 0; z-index: 30;
  pointer-events: none; opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.9' /></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
}
.flash {
  position: fixed; inset: 0; z-index: 35;
  background: var(--accent);
  pointer-events: none; opacity: 0;
  mix-blend-mode: screen;
}

/* ── Header ── */
header.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 24px 48px;
  display: flex; justify-content: space-between; align-items: center;
  mix-blend-mode: difference;
}
.logo {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  display: inline-flex;
  align-items: baseline;
  color: var(--ink-0);
}
.logo .logo-accent { color: var(--accent); }

nav.site-nav {
  display: flex;
  gap: 36px;
  align-items: center;
}
nav.site-nav a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.85;
  transition: color 0.3s, opacity 0.3s;
}
nav.site-nav a:hover { color: var(--accent); opacity: 1; }

.nav-cta {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.3em;
  text-transform: uppercase;
  padding: 12px 22px;
  border: 1px solid var(--ink-0);
  transition: all 0.3s;
}
.nav-cta:hover {
  background: var(--ink-0);
  color: var(--bg-0) !important;
  border-color: var(--ink-0);
}

/* ── Side meta ── */
.side-meta {
  position: fixed;
  left: 24px; bottom: 32px;
  z-index: 40;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-2);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  mix-blend-mode: difference;
}

/* ── Scroll progress bar ── */
.scroll-progress {
  position: fixed; left: 0; top: 0;
  width: 1px; height: 100vh;
  z-index: 45;
  background: var(--line);
}
.scroll-progress-fill {
  position: absolute; top: 0; left: 0;
  width: 100%;
  height: var(--p, 0%);
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  transition: height 0.05s linear;
}

/* ── Shared typography ── */
h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 0.95;
}
em { font-style: italic; color: var(--ink-1); }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--accent);
}
.kicker::before {
  content: '';
  width: 0; height: 1px;
  background: currentColor;
  transition: width 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) 0.2s;
}
.kicker.fired::before { width: 36px; }

/* ── Footer ── */
footer.site-footer {
  position: relative; z-index: 10;
  padding: 60px 48px 40px;
  border-top: 1px solid var(--line);
  background: var(--bg-0);
  display: flex;
  justify-content: space-between;
  align-items: end;
  flex-wrap: wrap; gap: 24px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-2);
}
footer.site-footer a { color: var(--ink-1); transition: color 0.3s; }
footer.site-footer a:hover { color: var(--accent); }

/* ── Reveal helpers (gentle, professional) ── */
.reveal-up {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.9s cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal-up.fired { opacity: 1; transform: translateY(0); }
.d1 { transition-delay: 0.08s; }
.d2 { transition-delay: 0.18s; }
.d3 { transition-delay: 0.28s; }
.d4 { transition-delay: 0.38s; }

/* Word-by-word fade — used for headlines (more refined than char-explode) */
.split { display: inline-block; }
.split .word {
  display: inline-block;
  margin-right: 0.22em;
  vertical-align: top;
  overflow: hidden;
}
.split .word > .char-wrap {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 1.0s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--d, 0s);
}
.split.fired .word > .char-wrap { transform: translateY(0); }

/* ════════════════════════════════════════════════════════════
   TOUCH DEVICES — kill custom cursor + hover-only states
   ════════════════════════════════════════════════════════════ */
@media (hover: none), (pointer: coarse) {
  html, body, a, button { cursor: auto; }
  .cursor-dot, .cursor-ring { display: none !important; }
}

/* ════════════════════════════════════════════════════════════
   MOBILE — header & footer
   ════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  header.site-header { padding: 16px 22px; }
  .logo { font-size: 12px; }
  nav.site-nav a:not(.nav-cta) { display: none; }
  .nav-cta { padding: 10px 16px; font-size: 10px; letter-spacing: 0.24em; }
  .side-meta { display: none; }
  footer.site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 40px 22px;
    font-size: 9px;
  }
}

/* ════════════════════════════════════════════════════════════
   REDUCED MOTION — respect user preference
   ════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}