/* =========================================================================
   THE BLUE MARBLE — Landing editorial de lujo
   Paleta monocromatica de azules · Cormorant Garamond + Comfortaa
   ========================================================================= */

/* ---------- Fuentes self-hosted (variables) ---------- */
@font-face {
  font-family: "Cormorant Garamond";
  src: url("assets/fonts/CormorantGaramond-Variable.woff2") format("woff2");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Cormorant Garamond";
  src: url("assets/fonts/CormorantGaramond-Italic-Variable.woff2") format("woff2");
  font-weight: 300 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Comfortaa";
  src: url("assets/fonts/Comfortaa-Variable.woff2") format("woff2");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  /* Familia de azules (marca) */
  --navy-deep: #1a4370;
  --marble-blue: #44648c;
  --azure: #5e7fa0;
  --mist: #869fb9;
  --pale-haze: #afbcc9;
  --pearl: #e9eaeb;
  --night: #1a1a2e;
  --cream: #f5f3ef;
  --slate: #3d4e61;

  /* Roles */
  --bg: var(--cream);
  --ink: var(--night);
  --ink-soft: var(--slate);
  --accent: var(--navy-deep);
  --on-dark: var(--pearl);
  --on-dark-soft: #b9c2cf;
  --rule: rgba(26, 67, 112, 0.22);
  --rule-strong: rgba(26, 67, 112, 0.4);
  --rule-dark: rgba(233, 234, 235, 0.22);

  /* Tipografia */
  --font-display: "Cormorant Garamond", "Cormorant", Georgia, "Times New Roman", serif;
  --font-ui: "Comfortaa", "Helvetica Neue", Arial, sans-serif;

  --step--2: clamp(0.68rem, 0.64rem + 0.2vw, 0.76rem);
  --step--1: clamp(0.8rem, 0.76rem + 0.2vw, 0.9rem);
  --step-0: clamp(1.05rem, 1rem + 0.35vw, 1.24rem);
  --step-1: clamp(1.35rem, 1.15rem + 0.9vw, 1.9rem);
  --step-2: clamp(1.9rem, 1.5rem + 2vw, 3.1rem);
  --step-3: clamp(2.5rem, 1.85rem + 3.4vw, 5rem);
  --step-4: clamp(3.2rem, 2.1rem + 5.6vw, 7.5rem);

  /* Layout */
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --maxw: 1180px;
  --wide: 1440px;
  --section-y: clamp(5rem, 10vw, 9rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--step-0);
  line-height: 1.62;
  font-feature-settings: "liga" 1, "kern" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

h1, h2, h3, p, figure, blockquote, ul, ol { margin: 0; }

::selection { background: var(--navy-deep); color: var(--cream); }

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

.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;
}

/* Compensar el header fijo al navegar por anclas */
.section, .site-footer, .hero { scroll-margin-top: 76px; }

.eyebrow {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: var(--step--2);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-block;
}
.section-dark .eyebrow { color: var(--mist); }

.rule {
  width: 56px;
  height: 1px;
  border: 0;
  background: var(--rule-strong);
  margin: 0;
}
.section-dark .rule { background: var(--rule-dark); }

.display {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: -0.01em;
}
em, .italic { font-style: italic; }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 1000;
  background: var(--night);
  color: var(--cream);
  padding: 0.75rem 1.25rem;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}
.skip-link:focus { left: 1rem; top: 1rem; }

:focus-visible {
  outline: 2px solid var(--navy-deep);
  outline-offset: 4px;
}
.section-dark :focus-visible { outline-color: var(--mist); }

/* =========================================================================
   HEADER
   ========================================================================= */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(1rem, 2.2vw, 1.6rem) var(--gutter);
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), padding 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(245, 243, 239, 0.86);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--rule);
  padding-block: clamp(0.7rem, 1.4vw, 1rem);
}

.brand { display: flex; align-items: center; }
.brand img { height: clamp(30px, 3.4vw, 40px); width: auto; }
.brand .logo-light { display: block; }   /* blanco, sobre hero */
.brand .logo-dark { display: none; }      /* navy, sobre cream */
.site-header.is-scrolled .logo-light { display: none; }
.site-header.is-scrolled .logo-dark { display: block; }

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 2.4vw, 2.4rem);
}
.nav-links {
  display: flex;
  gap: clamp(1.1rem, 2.2vw, 2.2rem);
  list-style: none;
  padding: 0;
}
.nav-links a {
  font-family: var(--font-ui);
  font-weight: 400;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--on-dark);
  position: relative;
  padding-block: 0.35rem;
  transition: color 0.3s var(--ease);
}
.site-header.is-scrolled .nav-links a { color: var(--slate); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 100%;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.nav-links a:hover::after,
.nav-links a:focus-visible::after { transform: scaleX(1); }

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--on-dark);
}
.site-header.is-scrolled .lang-toggle { color: var(--slate); }
.lang-toggle button {
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
  cursor: pointer;
  padding: 0.3rem 0.35rem;
  opacity: 0.5;
  transition: opacity 0.3s var(--ease);
}
.lang-toggle button[aria-pressed="true"] { opacity: 1; text-decoration: underline; text-underline-offset: 4px; }
.lang-toggle button:hover { opacity: 0.85; }
.lang-toggle .sep { opacity: 0.4; }

/* Boton hamburguesa (movil) */
.nav-toggle { display: none; }

/* =========================================================================
   HERO
   ========================================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: var(--on-dark);
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  filter: saturate(0.82) contrast(1.02) brightness(0.94);
}
.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(to bottom, rgba(20, 24, 40, 0.5) 0%, rgba(20, 24, 40, 0.12) 12%, rgba(20, 24, 40, 0) 22%),
    linear-gradient(to top, rgba(20, 24, 40, 0.82) 0%, rgba(20, 24, 40, 0.28) 42%, rgba(20, 24, 40, 0.1) 70%),
    linear-gradient(to right, rgba(26, 43, 74, 0.32), rgba(26, 43, 74, 0) 55%);
}
.hero__inner {
  width: 100%;
  padding-block: clamp(3.5rem, 9vh, 8rem) clamp(3rem, 7vh, 6rem);
}
.hero .eyebrow { color: var(--pale-haze); margin-bottom: 1.6rem; }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--step-4);
  line-height: 0.98;
  letter-spacing: -0.015em;
  max-width: 15ch;
  text-wrap: balance;
}
.hero h1 em { font-weight: 300; color: var(--pale-haze); }
.hero__sub {
  margin-top: 1.8rem;
  font-size: var(--step-1);
  font-weight: 300;
  color: var(--on-dark-soft);
  font-style: italic;
  max-width: 34ch;
}
.hero__scroll {
  margin-top: clamp(2.2rem, 5vh, 3.6rem);
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--pale-haze);
}
.hero__scroll .line {
  width: 46px; height: 1px; background: var(--pale-haze); opacity: 0.6;
  transform-origin: left;
  animation: scrollpulse 2.8s var(--ease) infinite;
}
@keyframes scrollpulse {
  0%, 100% { transform: scaleX(0.4); opacity: 0.3; }
  50% { transform: scaleX(1); opacity: 0.7; }
}

/* =========================================================================
   SECCIONES GENERICAS
   ========================================================================= */
.section { padding-block: var(--section-y); position: relative; }
.section-dark { background: var(--night); color: var(--on-dark); }
.section-tint { background: linear-gradient(180deg, var(--cream), #eef0f2); }

.section-head { max-width: 62ch; }
.section-head .eyebrow { margin-bottom: 1.4rem; }
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--step-3);
  line-height: 1.02;
  letter-spacing: -0.012em;
  text-wrap: balance;
}
.section-dark .section-head h2 { color: var(--on-dark); }

/* =========================================================================
   MANIFIESTO
   ========================================================================= */
.manifesto__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}
@media (min-width: 900px) {
  .manifesto__grid { grid-template-columns: 1.05fr 0.95fr; }
}
.manifesto__lead {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--step-2);
  line-height: 1.12;
  letter-spacing: -0.01em;
  text-wrap: balance;
  margin-bottom: 1.8rem;
}
.manifesto__lead em { color: var(--marble-blue); }
.manifesto__body p { color: var(--ink-soft); max-width: 48ch; }
.manifesto__body p + p { margin-top: 1.1rem; }
.manifesto__figure {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}
.manifesto__figure img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.86) contrast(1.02);
}
.manifesto__figure figcaption {
  position: absolute; left: 1.2rem; bottom: 1.1rem;
  font-family: var(--font-ui); font-size: 0.66rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--pearl);
  text-shadow: 0 1px 12px rgba(0,0,0,0.6);
}

/* =========================================================================
   POSICIONAMIENTO (oscuro)
   ========================================================================= */
.positioning { position: relative; overflow: hidden; }
.positioning__grid {
  display: grid; grid-template-columns: 1fr; gap: clamp(2.4rem, 5vw, 4rem);
  align-items: center;
}
@media (min-width: 900px) {
  .positioning__grid { grid-template-columns: 1.1fr 0.9fr; }
}
.positioning__statement {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--step-2);
  line-height: 1.14;
  letter-spacing: -0.01em;
  text-wrap: balance;
  color: var(--on-dark);
}
.positioning__statement em { color: var(--mist); }
.positioning__taglines {
  margin-top: 2.4rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.positioning__taglines li {
  list-style: none;
  padding-block: 1rem;
  border-top: 1px solid var(--rule-dark);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--on-dark-soft);
}
.positioning__taglines li:last-child { border-bottom: 1px solid var(--rule-dark); }
.positioning__figure { aspect-ratio: 3 / 4; overflow: hidden; }
.positioning__figure img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.7) contrast(1.05) brightness(0.92);
}

/* =========================================================================
   PILARES
   ========================================================================= */
.pillars__list { margin-top: clamp(2.5rem, 5vw, 4rem); border-top: 1px solid var(--rule); }
.pillar {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.2rem, 4vw, 3.5rem);
  align-items: baseline;
  padding-block: clamp(1.6rem, 3vw, 2.4rem);
  border-bottom: 1px solid var(--rule);
  transition: background 0.4s var(--ease);
}
.pillar__num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: var(--step-1);
  color: var(--marble-blue);
  min-width: 2.5ch;
}
.pillar__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem 2.5rem;
}
@media (min-width: 760px) {
  .pillar__content { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); align-items: baseline; }
}
.pillar__name {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--step-2);
  line-height: 1.05;
  letter-spacing: -0.01em;
}
.pillar__desc { color: var(--ink-soft); font-size: var(--step-0); line-height: 1.5; }
.pillar:hover .pillar__name { font-style: italic; }

/* =========================================================================
   EL OBJETO / EDICIONES
   ========================================================================= */
.object__specs {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (min-width: 720px) { .object__specs { grid-template-columns: repeat(4, 1fr); } }
.spec {
  background: var(--cream);
  padding: clamp(1.4rem, 3vw, 2.2rem) clamp(1.2rem, 2.5vw, 1.8rem);
}
.spec__num {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--step-3);
  line-height: 1;
  color: var(--navy-deep);
  letter-spacing: -0.02em;
}
.spec__num--word {
  font-size: var(--step-1);
  font-style: italic;
  line-height: 1.05;
  overflow-wrap: break-word;
}
.spec__label {
  margin-top: 0.7rem;
  font-family: var(--font-ui);
  font-size: var(--step--2);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.editions {
  margin-top: clamp(3rem, 6vw, 5rem);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(0.8rem, 1.6vw, 1.2rem);
}
@media (min-width: 860px) { .editions { grid-template-columns: repeat(4, 1fr); } }
.edition { position: relative; }
.edition__media {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}
.edition__media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.8) contrast(1.02);
  transition: transform 1.2s var(--ease);
}
.edition:hover .edition__media img { transform: scale(1.04); }
.edition__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(20,24,40,0.55), transparent 55%);
}
.edition__meta {
  position: absolute; left: 1rem; right: 1rem; bottom: 0.9rem;
  z-index: 1; color: var(--pearl);
  display: flex; align-items: baseline; justify-content: space-between; gap: 0.5rem;
}
.edition__season {
  font-family: var(--font-display); font-style: italic; font-weight: 300;
  font-size: var(--step-1);
}
.edition__no {
  font-family: var(--font-ui); font-size: 0.64rem; letter-spacing: 0.14em; text-transform: uppercase;
  opacity: 0.85;
}

/* =========================================================================
   GALERIA
   ========================================================================= */
.gallery__grid {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(0.7rem, 1.4vw, 1.1rem);
}
.gallery figure { position: relative; overflow: hidden; margin: 0; }
.gallery img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.78) contrast(1.03);
  transition: transform 1.2s var(--ease), filter 0.6s var(--ease);
}
.gallery figure:hover img { transform: scale(1.05); filter: saturate(0.9) contrast(1.04); }

/* Composicion asimetrica */
.g1 { grid-column: span 4; aspect-ratio: 16 / 10; }
.g2 { grid-column: span 2; aspect-ratio: 3 / 4; }
.g3 { grid-column: span 2; aspect-ratio: 3 / 4; }
.g4 { grid-column: span 2; aspect-ratio: 1 / 1; }
.g5 { grid-column: span 2; aspect-ratio: 1 / 1; }
.g6 { grid-column: span 4; aspect-ratio: 16 / 10; }
@media (max-width: 720px) {
  .gallery__grid { grid-template-columns: repeat(2, 1fr); }
  .g1, .g6 { grid-column: span 2; aspect-ratio: 16 / 10; }
  .g2, .g3, .g4, .g5 { grid-column: span 1; aspect-ratio: 3 / 4; }
}

/* =========================================================================
   DISTRIBUCION
   ========================================================================= */
.dist__grid {
  display: grid; grid-template-columns: 1fr; gap: clamp(2.4rem, 5vw, 4rem);
}
@media (min-width: 900px) { .dist__grid { grid-template-columns: 0.85fr 1.15fr; } }
.dist__list { list-style: none; padding: 0; border-top: 1px solid var(--rule); }
.dist__list li {
  padding-block: clamp(1rem, 2vw, 1.4rem);
  border-bottom: 1px solid var(--rule);
  display: flex; align-items: baseline; gap: 1.2rem;
  font-size: var(--step-1);
  font-weight: 300;
}
.dist__list li span {
  font-family: var(--font-ui); font-size: 0.7rem; letter-spacing: 0.14em;
  color: var(--marble-blue); min-width: 2.2ch;
}
.dist__note {
  margin-top: 1.6rem;
  font-style: italic; color: var(--ink-soft); max-width: 46ch;
}

/* =========================================================================
   FOOTER / CONTACTO
   ========================================================================= */
.site-footer {
  background: var(--night);
  color: var(--on-dark);
  padding-block: clamp(4.5rem, 9vw, 8rem) clamp(2rem, 4vw, 3rem);
  text-align: center;
}
.site-footer .canica { width: clamp(52px, 7vw, 78px); margin: 0 auto 2rem; }
.site-footer h2 {
  font-family: var(--font-display); font-weight: 300;
  font-size: var(--step-2); line-height: 1.1; letter-spacing: -0.01em;
  max-width: 20ch; margin: 0 auto;
}
.site-footer .footer-tag {
  margin-top: 1.4rem; font-style: italic; color: var(--on-dark-soft);
  font-size: var(--step-1);
}
.footer-contact {
  margin-top: clamp(2.6rem, 5vw, 4rem);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: clamp(1rem, 3vw, 2.4rem);
}
.footer-contact a {
  font-family: var(--font-ui); font-size: 0.8rem; letter-spacing: 0.1em;
  color: var(--on-dark); position: relative; padding-block: 0.3rem;
}
.footer-contact a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 100%;
  background: currentColor; transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.footer-contact a:hover::after,
.footer-contact a:focus-visible::after { transform: scaleX(1); }

/* Campo email visual (no funcional) */
.footer-signup {
  margin: clamp(2.6rem, 5vw, 3.6rem) auto 0;
  max-width: 440px;
}
.footer-signup .label {
  font-family: var(--font-ui); font-size: 0.66rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--mist); display: block; margin-bottom: 1rem;
}
.signup-field {
  display: flex; align-items: center;
  border-bottom: 1px solid var(--rule-dark);
}
.signup-field input {
  flex: 1; background: none; border: 0; color: var(--on-dark);
  font-family: var(--font-display); font-size: var(--step-0); padding: 0.7rem 0;
}
.signup-field input::placeholder { color: var(--on-dark-soft); opacity: 0.7; }
.signup-field input:focus { outline: none; }
.signup-field button {
  background: none; border: 0; color: var(--mist); cursor: pointer;
  font-family: var(--font-ui); font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase; padding: 0.6rem 0.2rem;
  transition: color 0.3s var(--ease);
}
.signup-field button:hover { color: var(--pearl); }
.footer-signup .hint {
  margin-top: 0.9rem; font-family: var(--font-ui); font-size: 0.66rem;
  letter-spacing: 0.04em; color: var(--on-dark-soft); opacity: 0.65;
}

.footer-legal {
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: 1.6rem;
  border-top: 1px solid var(--rule-dark);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 0.8rem 1.6rem;
  font-family: var(--font-ui); font-size: 0.66rem; letter-spacing: 0.08em;
  color: var(--on-dark-soft); opacity: 0.75;
}

/* =========================================================================
   REVEALS
   ========================================================================= */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none; }
  .hero__scroll .line { animation: none; }
  .edition:hover .edition__media img,
  .gallery figure:hover img { transform: none; }
}

/* =========================================================================
   RESPONSIVE — NAV MOVIL
   ========================================================================= */
@media (max-width: 820px) {
  .nav-links {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(80vw, 340px);
    flex-direction: column;
    justify-content: center;
    gap: 1.8rem;
    padding: 2rem var(--gutter);
    background: var(--night);
    transform: translateX(100%);
    transition: transform 0.5s var(--ease);
    z-index: 90;
  }
  .nav-links a { color: var(--on-dark); font-size: 0.9rem; }
  body.nav-open .nav-links { transform: translateX(0); }
  .nav-toggle {
    display: inline-flex; flex-direction: column; gap: 5px;
    background: none; border: 0; cursor: pointer; z-index: 95;
    padding: 0.4rem;
  }
  .nav-toggle span {
    width: 26px; height: 1.5px; background: var(--on-dark);
    transition: transform 0.4s var(--ease), opacity 0.3s var(--ease), background 0.4s var(--ease);
  }
  .site-header.is-scrolled .nav-toggle span { background: var(--slate); }
  body.nav-open .nav-toggle span { background: var(--on-dark); }
  body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}

@media (min-width: 821px) {
  .nav-toggle { display: none; }
}