/* =============================================================
   NOIR CIRCUIT — Private Motorsport Experiences
   1. Tokens
   ============================================================= */
:root {
  --black:      #060606;   /* negro profundo */
  --carbon:     #0e0e0e;   /* negro carbón */
  --carbon-2:   #161615;   /* card / raised surface */
  --carbon-3:   #1e1d1b;   /* hairline surface */
  --bone:       #f1ece2;   /* blanco hueso */
  --bone-dim:   #cec8ba;
  --warm-gray:  #8d867a;   /* gris cálido — metadata */
  --silver:     #c9cdd2;   /* metallic silver detail */
  --silver-dim: rgba(201, 205, 210, 0.4);
  --line:       rgba(241, 236, 226, 0.12);
  --line-strong:rgba(241, 236, 226, 0.24);
  --ember:      rgba(196, 138, 74, 0.16); /* dawn/dusk hint, used at <10% */

  --display: "Bodoni Moda", "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:   cubic-bezier(0.7, 0, 0.84, 0);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --nav-h: 84px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  overflow-x: clip;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--black);
  color: var(--bone);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
ul { list-style: none; padding: 0; }
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 500;
  text-wrap: balance;
  line-height: 1.02;
  letter-spacing: -0.01em;
}
::selection { background: var(--bone); color: var(--black); }

:focus-visible {
  outline: 1px solid var(--bone);
  outline-offset: 4px;
}

/* Cinematic film grain — subtle, whole-site */
.grain {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* =============================================================
   3. Utilities
   ============================================================= */
.container {
  width: 100%;
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .7rem 1.1rem; background: var(--bone); color: var(--black);
  z-index: 9999; font-weight: 500; font-size: .85rem;
  transition: top .3s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.kicker {
  display: block;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--warm-gray);
}

.eyebrow-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.eyebrow-row .dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--silver);
  flex-shrink: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.9rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1px solid var(--line-strong);
  color: var(--bone);
  transition: background .5s var(--ease-out), color .5s var(--ease-out), border-color .5s var(--ease-out);
  white-space: nowrap;
}
.btn:hover { background: var(--bone); color: var(--black); border-color: var(--bone); }

.btn-solid {
  background: var(--bone);
  color: var(--black);
  border-color: var(--bone);
}
.btn-solid:hover { background: transparent; color: var(--bone); }

.btn-ghost {
  border-color: var(--line-strong);
  padding: 0.7rem 1.5rem;
}

.microcopy {
  font-size: 0.78rem;
  color: var(--warm-gray);
  letter-spacing: 0.03em;
}

/* Line-reveal text (used for hero + manifesto headlines).
   Visible by default — JS arms the hidden state right before animating,
   so the headline is never dependent on JS to be readable. */
.line { overflow: hidden; display: block; }
.line > span { display: block; }

/* Generic scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal[data-split] { opacity: 1; transform: none; }

/* Placeholder photography frame — replace with <img> when real photography lands */
.frame {
  position: relative;
  overflow: hidden;
  background: var(--carbon);
  isolation: isolate;
}
.frame::before {
  content: "";
  position: absolute;
  inset: -4%;
  background:
    radial-gradient(120% 90% at 18% 8%, var(--ember), transparent 55%),
    radial-gradient(140% 120% at 82% 100%, rgba(0,0,0,0.6), transparent 60%),
    linear-gradient(155deg, #201f1c 0%, #121110 45%, #050505 100%);
  transform: scale(1.06);
  transition: transform 1.6s var(--ease-out), filter 1.6s var(--ease-out);
}
/* Legibility gradient — only where text sits directly on top of the frame
   (the hero uses its own dedicated .hero-overlay instead) */
.event-row .frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 100% at 50% 100%, rgba(0,0,0,0.55), transparent 60%);
  pointer-events: none;
}
.frame:hover::before { transform: scale(1.1); }
.frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(38%) brightness(0.78) contrast(1.1) saturate(0.92);
  transform: scale(1.04);
  transition: transform 1.6s var(--ease-out), filter 1.6s var(--ease-out);
}
.frame:hover img {
  transform: scale(1.1);
  filter: grayscale(25%) brightness(0.85) contrast(1.08) saturate(1);
}
.frame-label {
  position: absolute;
  left: 1.4rem;
  bottom: 1.3rem;
  z-index: 1;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--warm-gray);
}

/* =============================================================
   4. Header
   ============================================================= */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background .6s var(--ease-out), border-color .6s var(--ease-out), backdrop-filter .6s var(--ease-out);
}
.site-header.is-scrolled {
  background: rgba(6, 6, 6, 0.78);
  border-bottom-color: var(--line);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.brand-mark {
  font-family: var(--display);
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  color: var(--bone);
}
.main-nav {
  display: none;
  align-items: center;
  gap: 2.4rem;
}
.main-nav a {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bone-dim);
  position: relative;
  padding-bottom: 4px;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 1px;
  background: var(--bone);
  transition: right .5s var(--ease-out);
}
.main-nav a:hover::after,
.main-nav a:focus-visible::after { right: 0; }

.header-actions { display: flex; align-items: center; gap: 1.2rem; }
.nav-cta {
  display: none;
  padding: 0.62rem 1.35rem;
  font-size: 0.66rem;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.4rem;
}
.nav-toggle span {
  width: 22px; height: 1px;
  background: var(--bone);
  transition: transform .4s var(--ease-out), opacity .4s var(--ease-out);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 45;
  background: var(--black);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.6rem;
  padding: 0 var(--gutter);
  transform: translateY(-100%);
  transition: transform .6s var(--ease-out);
}
.mobile-menu.is-open { transform: translateY(0); }
.mobile-menu a {
  font-family: var(--display);
  font-size: clamp(1.8rem, 8vw, 2.6rem);
  color: var(--bone);
}
.mobile-menu .btn { align-self: flex-start; margin-top: 1rem; }

/* =============================================================
   5. Hero
   ============================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero .frame { position: absolute; inset: 0; z-index: 0; }
.hero .frame::before { transform: scale(1.12); }
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(0deg, rgba(6,6,6,0.92) 0%, rgba(6,6,6,0.45) 42%, rgba(6,6,6,0.15) 68%, rgba(6,6,6,0.55) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-block: 8rem 6rem;
}
.hero-kicker { margin-bottom: 1.6rem; }
.hero-title {
  font-size: clamp(2.6rem, 9vw, 7rem);
  color: var(--bone);
  max-width: 16ch;
}
.hero-sub {
  margin-top: 1.6rem;
  max-width: 34ch;
  font-size: clamp(0.95rem, 1.4vw, 1.15rem);
  color: var(--bone-dim);
  font-weight: 300;
}
.hero-cta { margin-top: 2.6rem; }

.scroll-cue {
  position: absolute;
  left: var(--gutter);
  bottom: 2rem;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--warm-gray);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.scroll-cue .stem {
  width: 1px; height: 34px;
  background: var(--line-strong);
  position: relative;
  overflow: hidden;
}
.scroll-cue .stem::after {
  content: "";
  position: absolute;
  left: 0; top: -100%;
  width: 100%; height: 100%;
  background: var(--bone);
  animation: cueDrop 2.6s var(--ease-soft) infinite;
}
@keyframes cueDrop {
  0%   { top: -100%; }
  60%  { top: 100%; }
  100% { top: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .scroll-cue .stem::after { animation: none; top: 0; }
}

/* =============================================================
   6. Next Experience
   ============================================================= */
.next-experience { padding-block: clamp(5rem, 10vw, 9rem) clamp(5rem, 10vw, 9rem); }
.ne-grid {
  display: grid;
  gap: 2.5rem;
}
.ne-media { aspect-ratio: 4 / 5; }
.ne-content { display: flex; flex-direction: column; justify-content: center; }
.ne-name {
  margin-top: 1rem;
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  font-style: italic;
}
.ne-meta {
  margin-top: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  color: var(--bone-dim);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.ne-meta span:not(:last-child)::after {
  content: "·";
  margin-left: 1rem;
  color: var(--line-strong);
}
.ne-desc {
  margin-top: 1.6rem;
  max-width: 42ch;
  color: var(--bone-dim);
  font-size: 1rem;
}
.ne-facts {
  margin-top: 2.2rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
}
.ne-facts li {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--warm-gray);
}
.ne-price {
  margin-top: 2.2rem;
  font-family: var(--display);
  font-size: 1.5rem;
  color: var(--bone);
}
.ne-actions { margin-top: 1.8rem; display: flex; flex-direction: column; align-items: flex-start; gap: 0.9rem; }

/* =============================================================
   7. The Experience — 4 moments
   ============================================================= */
.experience-moments { padding-block: clamp(4rem, 10vw, 8rem); background: var(--carbon); }
.moments-head { margin-bottom: clamp(3rem, 7vw, 6rem); }
.moments-head h2 { font-size: clamp(2.2rem, 5.5vw, 4.4rem); max-width: 14ch; }

.moment {
  display: grid;
  gap: 2.2rem;
  align-items: center;
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line);
}
.moment:last-child { border-bottom: 1px solid var(--line); }
.moment-media { aspect-ratio: 16 / 10; }
.moment-num {
  font-family: var(--display);
  font-size: 0.9rem;
  color: var(--warm-gray);
  letter-spacing: 0.1em;
}
.moment-title {
  margin-top: 0.8rem;
  font-size: clamp(1.8rem, 3.6vw, 2.8rem);
}
.moment-text {
  margin-top: 1rem;
  color: var(--bone-dim);
  max-width: 38ch;
}
.moment--reverse .moment-media { order: 2; }
.moment--reverse .moment-content { order: 1; }

/* =============================================================
   8. Upcoming Experiences
   ============================================================= */
.experiences { padding-block: clamp(5rem, 10vw, 9rem); }
.experiences-head { margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.experiences-head h2 { font-size: clamp(2.2rem, 5.5vw, 4.4rem); max-width: 16ch; }

.event-row {
  position: relative;
  display: block;
  aspect-ratio: 21 / 10;
  margin-top: 1.6rem;
  border: 1px solid var(--line);
}
.event-row .frame { position: absolute; inset: 0; }
.event-status {
  position: absolute;
  top: 1.4rem; right: 1.4rem;
  z-index: 1;
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--line-strong);
  color: var(--bone-dim);
}
.event-row.is-open .event-status { color: var(--bone); border-color: var(--bone); }
.event-info {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 1;
  padding: clamp(1.4rem, 3vw, 2.6rem);
}
.event-name {
  font-size: clamp(1.6rem, 3.6vw, 2.8rem);
  color: var(--bone);
  display: inline-block;
  position: relative;
}
.event-name::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px; right: 100%;
  height: 1px;
  background: var(--bone);
  transition: right .6s var(--ease-out);
}
.event-row:hover .event-name::after { right: 0; }
.event-meta {
  margin-top: 0.7rem;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bone-dim);
}
.event-meta span:not(:last-child)::after {
  content: "·";
  margin-left: 0.8rem;
  color: var(--line-strong);
}

/* =============================================================
   9. Manifesto
   ============================================================= */
.manifesto {
  background: var(--black);
  padding-block: clamp(6rem, 14vw, 11rem);
  text-align: center;
}
.manifesto-title {
  font-size: clamp(2.6rem, 8vw, 6rem);
  margin-inline: auto;
  max-width: 14ch;
}
.manifesto-text {
  margin: 1.8rem auto 0;
  max-width: 46ch;
  color: var(--bone-dim);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
}
.manifesto-phrases {
  margin-top: clamp(3rem, 8vw, 5.5rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
}
@media (min-width: 720px) {
  .manifesto-phrases {
    flex-direction: row;
    justify-content: center;
    gap: 0;
  }
  .manifesto-phrases li {
    padding-inline: 2.4rem;
    border-left: 1px solid var(--line);
  }
  .manifesto-phrases li:first-child { border-left: none; }
}
.manifesto-phrases li {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm-gray);
}

/* =============================================================
   10. Archive
   ============================================================= */
.archive { padding-block: clamp(5rem, 10vw, 9rem); background: var(--carbon); }
.archive-head { margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.archive-head h2 { font-size: clamp(2.2rem, 5.5vw, 4.4rem); }
.archive-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(0.6rem, 1.4vw, 1.2rem);
}
.archive-grid .frame { grid-column: span 6; aspect-ratio: 4 / 5; }
.archive-grid .frame:nth-child(1) { grid-column: span 6; aspect-ratio: 16 / 10; }
.archive-grid .frame:nth-child(4) { aspect-ratio: 16 / 10; }
.archive-grid .frame:nth-child(6) { aspect-ratio: 16 / 10; }

@media (min-width: 720px) {
  .archive-grid .frame:nth-child(1) { grid-column: span 4; aspect-ratio: 4 / 5; }
  .archive-grid .frame:nth-child(2) { grid-column: span 2; }
  .archive-grid .frame:nth-child(3) { grid-column: span 2; }
  .archive-grid .frame:nth-child(4) { grid-column: span 4; aspect-ratio: 16 / 10; }
  .archive-grid .frame:nth-child(5) { grid-column: span 3; }
  .archive-grid .frame:nth-child(6) { grid-column: span 3; aspect-ratio: 4 / 5; }
  .archive-grid .frame:nth-child(7) { grid-column: span 6; aspect-ratio: 21 / 9; }
}

/* =============================================================
   11. Access
   ============================================================= */
.access {
  padding-block: clamp(6rem, 14vw, 10rem);
  text-align: center;
}
.access-title { font-size: clamp(2.2rem, 6vw, 4rem); }
.access-text {
  margin: 1.6rem auto 0;
  max-width: 48ch;
  color: var(--bone-dim);
}
.access-actions { margin-top: 2.4rem; display: flex; justify-content: center; }

/* =============================================================
   12. Footer
   ============================================================= */
.site-footer {
  background: var(--black);
  border-top: 1px solid var(--line);
  padding-block: clamp(3.5rem, 7vw, 5rem) 2.2rem;
}
.footer-top {
  display: grid;
  gap: 2.4rem;
  padding-bottom: 3rem;
}
.footer-brand { font-size: 1.4rem; letter-spacing: 0.1em; }
.footer-cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.6rem 2rem; }
@media (min-width: 540px) {
  .footer-cols { grid-template-columns: repeat(3, 1fr); }
}
.footer-col h5 {
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--warm-gray);
  margin-bottom: 1rem;
  font-weight: 500;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-col a {
  font-size: 0.86rem;
  color: var(--bone-dim);
  transition: color .4s var(--ease-out);
}
.footer-col a:hover { color: var(--bone); }
.footer-bottom {
  padding-top: 1.8rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--warm-gray);
}
@media (min-width: 720px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}

/* =============================================================
   13. Responsive — mobile-first breakpoints
   ============================================================= */
@media (min-width: 540px) {
  .ne-facts { gap: 0.5rem 2.6rem; }
}

@media (min-width: 720px) {
  .ne-grid { grid-template-columns: 1.1fr 0.9fr; align-items: stretch; }
  .ne-media { aspect-ratio: auto; }
  .moment { grid-template-columns: 1.1fr 0.9fr; }
  .footer-top { grid-template-columns: 1fr 2fr; }
}

@media (min-width: 960px) {
  .main-nav { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
  .hero-inner { padding-block: 10rem 7rem; }
}

@media (min-width: 1280px) {
  :root { --gutter: 3.5rem; }
}

/* =============================================================
   14. Reduced motion — only intrusive effects
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .grain { display: none; }
  html { scroll-behavior: auto; }
}