/* ==========================================================================
   NEXR Eyewear — Main stylesheet
   Depends on tokens.css. Mobile-first. RTL-safe (uses logical properties).
   ========================================================================== */

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

body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: var(--lh-body);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100dvh;
  overflow-x: hidden;
}

img, picture, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }
ul[role="list"] { list-style: none; padding: 0; }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 3px; border-radius: 3px; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text);
}

/* ---- Layout helpers ------------------------------------------------------ */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: var(--container-narrow); }
.section { padding-block: var(--space-2xl); }
.section--tight { padding-block: var(--space-xl); }
.stack > * + * { margin-block-start: var(--space-s); }
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--c-accent-2);
  font-weight: 600;
}
[dir="rtl"] .eyebrow { letter-spacing: 0; }
.lead { font-size: var(--step-1); color: var(--text-muted); max-width: 42ch; }
.text-muted { color: var(--text-muted); }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }

/* ---- Buttons ------------------------------------------------------------- */
.btn {
  --btn-bg: var(--c-accent);
  --btn-fg: var(--c-accent-ink);
  display: inline-flex; align-items: center; gap: .6em;
  min-height: 48px; padding: 0.85em 1.6em;
  background: var(--btn-bg); color: var(--btn-fg);
  border-radius: var(--radius-pill);
  font-weight: 600; font-size: var(--step-0);
  letter-spacing: .01em;
  transition: transform var(--dur-fast) var(--ease-out),
              background-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
  will-change: transform;
}
.btn:hover { background: var(--btn-bg); box-shadow: var(--shadow-2); }
.btn:active { transform: scale(.97); }
.btn--lg { min-height: 56px; padding: 1em 2em; font-size: var(--step-1); }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--text); border: 1.5px solid var(--border); }
.btn--ghost:hover { --btn-bg: var(--surface); box-shadow: none; border-color: var(--c-accent); }
.btn--ink { --btn-bg: var(--c-ink); --btn-fg: var(--c-cream); }
.btn--wa { --btn-bg: #1FA855; --btn-fg: #fff; }
.btn--wa:hover { --btn-bg: #178f47; }
.btn__icon { width: 1.25em; height: 1.25em; flex: none; }

/* ---- Header / navigation ------------------------------------------------- */
.site-header {
  position: sticky; inset-block-start: 0; z-index: var(--z-header);
  /* NEXR brand-black header on a white site — carries the white wordmark. */
  --text: var(--c-ivory);
  --text-muted: rgba(255,255,255,.72);
  --border: rgba(255,255,255,.16);
  color: var(--c-ivory);
  background: var(--c-ink);
  border-block-end: 1px solid rgba(255,255,255,.10);
  transition: box-shadow var(--dur-base) var(--ease-out);
}
.site-header.is-scrolled {
  box-shadow: 0 6px 24px rgba(0,0,0,.18);
}
.site-header .brand { color: var(--c-ivory); }
.site-header .icon-btn:hover { background: rgba(255,255,255,.12); }
.site-header .primary-nav a { color: var(--c-ivory); }
.site-header .primary-nav a:hover { color: #fff; }
.site-header .primary-nav a::after { background: var(--c-ivory); }
.site-header .lang-toggle { border-color: rgba(255,255,255,.28); }
.site-header .lang-toggle a { color: rgba(255,255,255,.72); }
.site-header .lang-toggle a.is-active { background: var(--c-ivory); color: var(--c-ink); }
.header-bar { display: flex; align-items: center; gap: var(--space-m); min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: .5rem; font-family: var(--font-display); font-size: var(--step-2); font-weight: 600; letter-spacing: .01em; }
.brand img { max-height: 40px; width: auto; }
/* NEXR serif wordmark fallback (glasses mark tucked above the letters). */
.brand--wordmark { align-items: center; }
.brand--wordmark .icon--glasses { color: var(--c-accent); margin-block-start: -2px; flex: none; }
.brand__word { font-family: var(--font-display); font-weight: 600; letter-spacing: .06em; font-size: var(--step-2); line-height: 1; }
[dir="rtl"] .brand__word { letter-spacing: normal; }
.primary-nav { display: none; }
.primary-nav ul { display: flex; gap: clamp(1rem, 2.4vw, 2.2rem); align-items: center; list-style: none; }
.primary-nav a { position: relative; font-weight: 500; padding-block: .4rem; color: var(--text); }
.primary-nav a::after {
  content: ""; position: absolute; inset-block-end: 0; inset-inline-start: 0;
  width: 100%; height: 1.5px; background: var(--c-accent);
  transform: scaleX(0); transform-origin: inline-start;
  transition: transform var(--dur-base) var(--ease-out);
}
.primary-nav a:hover::after, .primary-nav .current-menu-item > a::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: var(--space-2xs); margin-inline-start: auto; }
.icon-btn {
  display: inline-grid; place-items: center; width: 44px; height: 44px;
  border-radius: var(--radius-pill); color: var(--text);
  transition: background var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.icon-btn:hover { background: var(--bg-alt); }
.icon-btn:active { transform: scale(.92); }
.icon-btn svg { width: 22px; height: 22px; }
.cart-count {
  position: absolute; inset-block-start: 4px; inset-inline-end: 4px;
  min-width: 18px; height: 18px; padding: 0 4px;
  display: grid; place-items: center;
  background: var(--c-accent); color: var(--c-accent-ink);
  font-size: 11px; font-weight: 700; line-height: 1;
  border-radius: var(--radius-pill);
}
.icon-btn { position: relative; }

/* Language toggle */
.lang-toggle { display: inline-flex; border: 1.5px solid var(--border); border-radius: var(--radius-pill); overflow: hidden; }
.lang-toggle a { padding: .35rem .75rem; font-size: var(--step--1); font-weight: 600; color: var(--text-muted); transition: background var(--dur-fast), color var(--dur-fast); }
.lang-toggle a.is-active { background: var(--c-ink); color: var(--c-cream); }

@media (min-width: 960px) {
  .primary-nav { display: block; }
  .nav-toggle { display: none; }
}

/* Mobile drawer */
.nav-toggle { display: inline-grid; }
.mobile-drawer {
  position: fixed; inset: 0; z-index: var(--z-modal);
  background: var(--bg); padding: var(--space-l) var(--gutter);
  transform: translateX(100%); visibility: hidden;
  transition: transform var(--dur-slow) var(--ease-out), visibility var(--dur-slow);
  display: flex; flex-direction: column; gap: var(--space-m);
}
[dir="rtl"] .mobile-drawer { transform: translateX(-100%); }
.mobile-drawer.is-open { transform: translateX(0); visibility: visible; }
.mobile-drawer ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-s); }
.mobile-drawer a { font-family: var(--font-display); font-size: var(--step-3); }

/* ---- Hero ---------------------------------------------------------------- */
.hero { position: relative; overflow: clip; background: var(--bg-alt); }
.hero__grid { display: grid; gap: var(--space-l); align-items: center; padding-block: clamp(3rem, 8vw, var(--space-3xl)); }
.hero__title { font-size: var(--step-6); }
.hero__title .accent { color: var(--c-accent); font-style: italic; }
.hero__media { position: relative; border-radius: var(--radius-l); overflow: hidden; box-shadow: var(--shadow-3); aspect-ratio: 4 / 5; background: var(--c-bone-2); }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__badge {
  position: absolute; inset-block-end: var(--space-m); inset-inline-start: var(--space-m);
  background: color-mix(in srgb, var(--c-cream) 90%, transparent);
  backdrop-filter: blur(8px); padding: .8rem 1.1rem; border-radius: var(--radius-m);
  font-size: var(--step--1); box-shadow: var(--shadow-1);
}
@media (min-width: 860px) {
  .hero__grid { grid-template-columns: 1.05fr 0.95fr; gap: var(--space-2xl); }
  .hero__media { aspect-ratio: 3 / 4; }
}

/* ---- Section headers ----------------------------------------------------- */
.section-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: var(--space-m); margin-block-end: var(--space-l); }
.section-head h2 { font-size: var(--step-4); }
.section-head .link-more { font-weight: 600; color: var(--c-accent-2); display: inline-flex; align-items: center; gap: .4em; }
.section-head .link-more svg { width: 1em; height: 1em; transition: transform var(--dur-base) var(--ease-out); }
[dir="rtl"] .section-head .link-more svg { transform: scaleX(-1); }
.section-head .link-more:hover svg { transform: translateX(4px); }
[dir="rtl"] .section-head .link-more:hover svg { transform: scaleX(-1) translateX(4px); }

/* ---- Category tiles ------------------------------------------------------ */
.cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-s); }
@media (min-width: 760px) { .cat-grid { grid-template-columns: repeat(4, 1fr); gap: var(--space-m); } }
.cat-tile { position: relative; display: block; border-radius: var(--radius-m); overflow: hidden; aspect-ratio: 3 / 4; background: var(--c-ink); isolation: isolate; }
.cat-tile img { width: 100%; height: 100%; object-fit: cover; opacity: .85; transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur-base); }
.cat-tile::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(23,19,14,.72), rgba(23,19,14,0) 62%); z-index: 1; }
.cat-tile:hover img { transform: scale(1.06); opacity: 1; }
.cat-tile__label { position: absolute; inset-block-end: var(--space-s); inset-inline-start: var(--space-s); z-index: 2; color: var(--c-cream); }
.cat-tile__label strong { display: block; font-family: var(--font-display); font-size: var(--step-2); font-weight: 500; }
.cat-tile__label span { font-size: var(--step--1); opacity: .85; }

/* ---- Product cards ------------------------------------------------------- */
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-m) var(--space-s); }
@media (min-width: 680px) { .product-grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-l) var(--space-m); } }
@media (min-width: 1080px) { .product-grid { grid-template-columns: repeat(4, 1fr); } }

.product-card { position: relative; display: flex; flex-direction: column; }
.product-card__media {
  position: relative; border-radius: var(--radius-m); overflow: hidden;
  aspect-ratio: 1 / 1; background: var(--bg-alt); margin-block-end: var(--space-xs);
}
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-out); }
.product-card:hover .product-card__media img { transform: scale(1.05); }
.product-card__badge {
  position: absolute; inset-block-start: 10px; inset-inline-start: 10px; z-index: 2;
  background: var(--c-ink); color: var(--c-cream); font-size: 11px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; padding: .3rem .6rem; border-radius: var(--radius-pill);
}
.product-card__badge--sale { background: var(--c-danger); }
/* Add-to-cart lives BELOW the card in normal flow and is always visible
   (reference-screenshot layout), pushed to the card foot so every card in a row
   ends on an aligned button regardless of title length. */
.product-card__quick { margin-block-start: auto; padding-block-start: var(--space-xs); }
.product-card__quick .btn,
.product-card__quick .button,
.product-card__quick a.button,
.product-card__quick .add_to_cart_button { width: 100%; justify-content: center; text-align: center; min-height: 46px; }
.product-card__title { font-family: var(--font-body); font-weight: 600; font-size: var(--step-0); line-height: var(--lh-snug); }
.product-card__title a::after { content: ""; position: absolute; inset: 0; } /* full-card click target */
.product-card__meta { font-size: var(--step--1); color: var(--text-muted); }
.price { font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }
.price del { color: var(--text-muted); font-weight: 400; margin-inline-end: .4em; }
.price ins { text-decoration: none; color: var(--c-danger); }

/* ---- Feature strip (USPs) ------------------------------------------------ */
.usp-strip { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-m); }
@media (min-width: 760px) { .usp-strip { grid-template-columns: repeat(4, 1fr); } }
.usp { display: flex; flex-direction: column; gap: .5rem; }
.usp svg { width: 30px; height: 30px; color: var(--c-accent-2); }
.usp strong { font-family: var(--font-display); font-size: var(--step-1); font-weight: 500; }
.usp span { font-size: var(--step--1); color: var(--text-muted); }

/* ---- Story / editorial split -------------------------------------------- */
.split { display: grid; gap: var(--space-l); align-items: center; }
@media (min-width: 860px) { .split { grid-template-columns: 1fr 1fr; gap: var(--space-2xl); } .split--reverse > :first-child { order: 2; } }
.split__media { border-radius: var(--radius-l); overflow: hidden; aspect-ratio: 4/3; box-shadow: var(--shadow-2); }
.split__media img { width: 100%; height: 100%; object-fit: cover; }

/* ---- Testimonials -------------------------------------------------------- */
.quote { font-family: var(--font-display); font-size: var(--step-3); line-height: 1.3; font-style: italic; }
.quote-cite { margin-block-start: var(--space-s); font-family: var(--font-body); font-style: normal; font-size: var(--step--1); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--text-muted); }

/* ---- Newsletter / WhatsApp CTA band -------------------------------------- */
.cta-band { background: var(--c-ink); color: var(--c-cream); border-radius: var(--radius-l); padding: clamp(2rem, 6vw, var(--space-2xl)); text-align: center; }
.cta-band h2 { color: var(--c-cream); font-size: var(--step-4); }
.cta-band p { color: rgba(255,255,255,.72); max-width: 46ch; margin-inline: auto; }

/* ---- Footer -------------------------------------------------------------- */
.site-footer { background: var(--c-ink); color: var(--c-ivory); padding-block: var(--space-2xl) var(--space-l); margin-block-start: var(--space-2xl); }
.site-footer .footer-title, .site-footer .brand { color: var(--c-ivory); }
.footer-grid { display: grid; gap: var(--space-l); grid-template-columns: 1fr; }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.site-footer a { color: rgba(255,255,255,.68); transition: color var(--dur-fast); }
.site-footer a:hover { color: var(--c-ivory); }
.site-footer .footer-brand .text-muted { color: rgba(255,255,255,.6); }
.site-footer .icon-btn { color: var(--c-ivory); }
.site-footer .icon-btn:hover { background: rgba(255,255,255,.12); }
.footer-title { font-family: var(--font-body); text-transform: uppercase; letter-spacing: var(--tracking-wide); font-size: var(--step--1); color: rgba(255,255,255,.72); margin-block-end: var(--space-s); }
.footer-menu { list-style: none; display: flex; flex-direction: column; gap: .6rem; }
.footer-bottom { margin-block-start: var(--space-xl); padding-block-start: var(--space-m); border-block-start: 1px solid rgba(255,255,255,.14); display: flex; flex-wrap: wrap; gap: var(--space-s); justify-content: space-between; font-size: var(--step--1); color: rgba(255,255,255,.55); }

/* ---- Floating WhatsApp button ------------------------------------------- */
.wa-float {
  position: fixed; inset-block-end: 20px; inset-inline-end: 20px; z-index: var(--z-sticky);
  width: 56px; height: 56px; border-radius: var(--radius-pill);
  background: #1FA855; color: #fff; display: grid; place-items: center;
  box-shadow: var(--shadow-2); transition: transform var(--dur-base) var(--ease-spring);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float:active { transform: scale(.95); }
.wa-float svg { width: 28px; height: 28px; }

/* ---- Utilities ----------------------------------------------------------- */
.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; }
.skip-link { position: absolute; inset-inline-start: -999px; z-index: var(--z-toast); }
.skip-link:focus { inset-inline-start: 1rem; inset-block-start: 1rem; background: var(--c-ink); color: var(--c-cream); padding: .6rem 1rem; border-radius: var(--radius-s); }

/* ==========================================================================
   Scroll-reveal animation system
   Elements start hidden (JS adds .reveal-ready to <html>); IntersectionObserver
   adds .is-in. If JS is off OR reduced-motion is on, everything is visible.
   Only transform + opacity are animated → 60fps, no layout shift.
   ========================================================================== */
.reveal-ready [data-reveal] { opacity: 0; transform: translateY(24px); }
.reveal-ready [data-reveal="left"]  { transform: translateX(-28px); }
.reveal-ready [data-reveal="right"] { transform: translateX(28px); }
.reveal-ready [data-reveal="scale"] { transform: scale(.94); }
[data-reveal] { transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); transition-delay: var(--reveal-delay, 0ms); }
[data-reveal].is-in { opacity: 1 !important; transform: none !important; }

@media (prefers-reduced-motion: reduce) {
  .reveal-ready [data-reveal] { opacity: 1 !important; transform: none !important; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}