/* GUKIN shared responsive layout — desktop / tablet / mobile
   Breakpoints: 1060 (wide nav), 900 (tablet), 560 (phone) */

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

body {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
  position: relative;
}

/* Media that should shrink with the viewport — never force iframe/svg
   (film hero + icons rely on explicit sizes). */
img, video {
  max-width: 100%;
  height: auto;
}

/* Custom cursor must never enlarge the scrollable area */
.gk-cursor,
.gk-cursor-glow,
.gk-cursor-dot,
.gk-cursor-trail {
  contain: layout style;
}

/* ========== Mobile nav toggle + drawer ========== */
.gk-nav-toggle {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  flex: 0 0 auto;
  -webkit-tap-highlight-color: transparent;
}
.gk-nav-toggle:focus-visible {
  outline: 2px solid rgba(62, 156, 116, .7);
  outline-offset: 2px;
}
.gk-nav-toggle svg { width: 22px; height: 22px; display: block; }

.gk-nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 240;
  background: rgba(14, 10, 20, .48);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity .28s ease, visibility .28s;
}
.gk-nav-scrim.is-open {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.gk-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 250;
  width: min(360px, 92%);
  max-width: 100%;
  background: #fff;
  color: #191817;
  box-shadow: -18px 0 48px rgba(25, 24, 23, .22);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  /* Closed: collapse in-place so it cannot expand body.scrollWidth */
  visibility: hidden;
  pointer-events: none;
  transform: translate3d(0, 0, 0);
  clip-path: inset(0 0 0 100%);
  transition: clip-path .28s cubic-bezier(.2, .8, .2, 1), visibility .28s, box-shadow .28s;
}
.gk-nav-drawer.is-open {
  visibility: visible;
  pointer-events: auto;
  clip-path: inset(0 0 0 0);
}
.gk-nav-drawer[hidden],
.gk-nav-scrim[hidden] {
  display: none !important;
}

.gk-nav-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 18px 14px;
  border-bottom: 1px solid #E4E0D6;
}
.gk-nav-drawer-head strong {
  font: 600 13px/1 "Inter Tight", system-ui, sans-serif;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.gk-nav-drawer-close {
  appearance: none;
  border: 1px solid #E4E0D6;
  background: #F6F5F0;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #191817;
}
.gk-nav-drawer-body {
  overflow: auto;
  padding: 10px 8px 28px;
  -webkit-overflow-scrolling: touch;
  flex: 1;
}
.gk-nav-drawer details {
  border-bottom: 1px solid #E4E0D6;
}
.gk-nav-drawer details > summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 12px;
  font: 500 12px/1 "IBM Plex Mono", ui-monospace, monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.gk-nav-drawer details > summary::-webkit-details-marker { display: none; }
.gk-nav-drawer details > summary::after {
  content: "+";
  font-size: 1.15rem;
  color: #9C988F;
  font-weight: 400;
}
.gk-nav-drawer details[open] > summary::after { content: "\2212"; }
.gk-nav-drawer .gk-nav-links {
  display: grid;
  gap: 2px;
  padding: 0 6px 12px;
}
.gk-nav-drawer a {
  display: block;
  padding: 11px 12px;
  border-radius: 10px;
  color: #191817;
  text-decoration: none;
  font: 500 14px/1.35 "Inter Tight", system-ui, sans-serif;
}
.gk-nav-drawer a:hover,
.gk-nav-drawer a:focus-visible {
  background: rgba(62, 156, 116, .1);
  color: #1E5B4C;
}
.gk-nav-drawer .gk-nav-sub {
  display: block;
  margin-top: 3px;
  font: 400 12px/1.4 "Inter Tight", system-ui, sans-serif;
  color: #9C988F;
  letter-spacing: 0;
  text-transform: none;
}
.gk-nav-drawer .gk-nav-top {
  display: grid;
  gap: 2px;
  padding: 8px 6px 14px;
  border-bottom: 1px solid #E4E0D6;
  margin-bottom: 4px;
}
body.gk-nav-open { overflow: hidden; }

@media (max-width: 900px) {
  .gk-nav-toggle { display: inline-flex; }

  /* Collapse desktop link rows into the drawer */
  .bar .bar-l,
  [data-nav] [data-navl] {
    display: none !important;
  }

  .bar,
  [data-nav],
  nav.gk-has-mobile-nav,
  nav[data-gk-nav-lock] {
    display: grid !important;
    grid-template-columns: auto 1fr auto !important;
    gap: 8px !important;
    padding: 10px 12px !important;
    align-items: center !important;
    min-height: 56px;
    box-sizing: border-box !important;
  }

  /* Keep chrome readable over transparent film heroes */
  [data-nav] {
    background: rgba(25, 24, 23, .82) !important;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top-color: rgba(138, 32, 53, .55) !important;
  }

  .bar > a:has(img),
  [data-nav] > a:has(img),
  [data-nav] [data-logo],
  nav.gk-has-mobile-nav > a:has(img) {
    justify-self: center;
    align-self: center;
    padding: 4px 8px !important;
  }
  .bar-r,
  [data-nav] > div:last-child,
  nav.gk-has-mobile-nav > div:last-child {
    gap: 8px !important;
    justify-self: end;
    align-self: center;
    display: inline-flex !important;
    align-items: center !important;
  }

  /* Product PDP left link cluster */
  nav.gk-has-mobile-nav > div:first-of-type {
    display: none !important;
  }

  .dd .menu { display: none !important; }

  /* Film hero: clip overflow, JS sizes iframe to cover */
  .film-media {
    inset: 0 !important;
    width: 100% !important;
    height: 100% !important;
    overflow: hidden !important;
  }
  .film-media iframe {
    max-width: none !important;
  }
  .film-shield {
    z-index: 2 !important;
    background: transparent !important;
  }
  .film-type { z-index: 3 !important; }
  .film-mark { z-index: 4 !important; }
  #top {
    isolation: isolate;
    position: relative;
    z-index: 0;
    width: 100% !important;
    max-width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    overflow: hidden !important;
  }
  [data-nav],
  .bar,
  nav.gk-has-mobile-nav {
    z-index: 120 !important;
  }
  [data-ann],
  .ann {
    position: relative;
    z-index: 130;
    overflow: hidden;
  }
}

html.gk-mq-tablet .gk-nav-toggle,
.gk-mq-tablet .gk-nav-toggle {
  display: inline-flex !important;
}

.bar .gk-nav-toggle,
[data-nav] .gk-nav-toggle,
nav.gk-has-mobile-nav .gk-nav-toggle {
  color: rgba(255, 255, 255, .92);
}

@media (max-width: 620px) {
  .bar img,
  [data-nav] img {
    height: 26px !important;
    min-width: 70px !important;
  }
  .ann,
  [data-ann] {
    font-size: 9.5px !important;
    letter-spacing: .1em !important;
    padding-left: 10px !important;
    padding-right: 10px !important;
  }
}

/* ========== Storefront shared grids ========== */
.g2 {
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
}

/* Nested grids / rails must be allowed to shrink */
main, section, .doc, .body, .grid, .fin, .bar, [data-rail], [data-sci], [data-rev], [data-faqrail] {
  min-width: 0;
  max-width: 100%;
}

@media (max-width: 900px) {
  .g3 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .g2 { grid-template-columns: 1fr !important; }
  .doc { grid-template-columns: 1fr !important; }
  .toc { position: static !important; }
  .fin { grid-template-columns: 1fr 1fr !important; }
  .nwrap { grid-template-columns: 1fr !important; }
  .ntoc { position: static !important; }
  .frm .row { grid-template-columns: 1fr !important; }
  main { padding-left: 16px !important; padding-right: 16px !important; }
}

@media (max-width: 560px) {
  .g3 { grid-template-columns: 1fr !important; }
  .fin { grid-template-columns: 1fr !important; gap: 28px !important; }
  .fbot { flex-direction: column; align-items: flex-start !important; }
  .card .in { padding: 16px !important; }
  .btn { width: 100%; justify-content: center; }
  .btn.fsoc,
  a.fsoc { width: 40px !important; }
}

/* ========== Homepage (#gukin-root) ========== */
@media (max-width: 900px) {
  #gukin-root {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
  }

  #top {
    aspect-ratio: auto !important;
    min-height: min(72svh, 560px) !important;
    margin-top: -72px !important;
    width: 100% !important;
    max-width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    overflow: hidden !important;
  }
  .film-word--xl { font-size: clamp(1.85rem, 11vw, 3.4rem) !important; }
  .film-word--md { font-size: clamp(0.95rem, 3.8vw, 1.45rem) !important; }
  .film-mark { padding: 12px 16px !important; width: min(86vw, 300px); }
  .film-mark strong { font-size: 1rem !important; max-width: 16ch !important; }
  .film-type { gap: 10px !important; }

  #shop [data-tilt] {
    flex: 0 0 88% !important;
    min-width: 88% !important;
    max-width: 88% !important;
  }
  #shop [data-rail] {
    padding-left: 0 !important;
    padding-right: 0 !important;
    gap: 12px !important;
  }
  /* Tighten rail chrome so arrows don't steal half the viewport */
  #shop > div > div[style*="position:relative"],
  #shop > div > div[style*="position: relative"] {
    padding-left: 28px !important;
    padding-right: 28px !important;
  }
  #shop button[aria-label*="Previous"],
  #shop button[aria-label*="More"],
  #shop button[aria-label*="Next"] {
    width: 40px !important;
    height: 40px !important;
  }

  #faq [data-faqrail] > a {
    flex: 0 0 min(82vw, 300px) !important;
    max-width: min(82vw, 300px) !important;
  }

  #luxury [style*="border-left"] {
    border-left: 0 !important;
    border-top: 1px solid rgba(242, 239, 233, .2) !important;
    padding-left: 0 !important;
    padding-top: 22px !important;
  }

  /* FAQ / science rails: contain sideways scroll to the rail only */
  #faq,
  #science,
  [data-faqrail],
  [data-sci],
  [data-rev] {
    max-width: 100%;
  }
  #faq {
    overflow-x: hidden !important;
  }
  #faq [data-faqrail],
  #science [data-sci],
  [data-rev] {
    overflow-x: auto !important;
    overscroll-behavior-x: contain;
    max-width: 100%;
  }
  #faq [data-faqrail] > a {
    flex: 0 0 86% !important;
    max-width: 86% !important;
  }

  [role="dialog"][aria-label="Welcome offer"] {
    width: min(520px, 94vw) !important;
    max-width: 94vw !important;
    max-height: 90vh !important;
    overflow: auto !important;
  }
  [role="dialog"][aria-label="Welcome offer"] > div {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 560px) {
  #gukin-root > section:not(#top),
  #gukin-root > footer {
    padding-left: 16px !important;
    padding-right: 16px !important;
    content-visibility: visible !important;
  }

  #gukin-root [data-gk-stacked="1"] {
    gap: 16px !important;
  }

  [role="dialog"][aria-label="Welcome offer"] > div > div:first-child {
    min-height: 150px !important;
  }

  [data-cart],
  [data-drawer] {
    width: 100% !important;
    max-width: 100% !important;
  }

  [data-rail],
  [data-sci],
  [data-rev],
  [data-faqrail] {
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }
  [data-rail] > *,
  [data-sci] > *,
  [data-rev] > * {
    scroll-snap-align: start;
  }
}

/* ========== Product page (bundled PDP) ========== */
@media (max-width: 900px) {
  /* Main PDP split + gallery thumbs — match React-normalized spacing */
  body [style*="grid-template-columns:1.05fr"],
  body [style*="grid-template-columns: 1.05fr"],
  body [style*="grid-template-columns:76px"],
  body [style*="grid-template-columns: 76px"],
  body [style*="grid-template-columns:.9fr"],
  body [style*="grid-template-columns: 0.9fr"],
  body [style*="grid-template-columns:1fr 1fr"],
  body [style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  body [style*="grid-template-columns:repeat(3"],
  body [style*="grid-template-columns: repeat(3"],
  body [style*="grid-template-columns:repeat(4"],
  body [style*="grid-template-columns: repeat(4"] {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  body [style*="position:sticky"][style*="top:"],
  body [style*="position: sticky"][style*="top:"] {
    position: static !important;
  }

  /* PDP nav */
  body nav[style*="grid-template-columns:1fr auto 1fr"],
  body nav[style*="grid-template-columns: 1fr auto 1fr"],
  body nav.gk-has-mobile-nav {
    display: grid !important;
    grid-template-columns: auto 1fr auto !important;
    gap: 10px !important;
    padding-left: 14px !important;
    padding-right: 14px !important;
    align-items: center !important;
  }
}

@media (max-width: 560px) {
  body [style*="grid-template-columns:repeat(3"],
  body [style*="grid-template-columns: repeat(3"],
  body [style*="grid-template-columns:repeat(4"],
  body [style*="grid-template-columns: repeat(4"],
  body [style*="grid-template-columns:1fr 1fr"],
  body [style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  body [style*="padding:clamp(40px"],
  body [style*="padding: clamp(40px"],
  body main,
  body section {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }
}

/* Shop filter chip rows */
@media (max-width: 900px) {
  .shop-filters,
  #filters,
  body .hero-filters {
    grid-template-columns: 1fr !important;
  }
}

/* ========== Account dashboard extras ========== */
@media (max-width: 900px) {
  .auth-visual h2 { max-width: none !important; }
  .dash { width: min(1080px, calc(100% - 28px)) !important; }
  .dash-head { align-items: flex-start !important; }
  .dash-actions { width: 100%; }
  .dash-actions .btn { flex: 1 1 auto; justify-content: center; }
}

@media (max-width: 560px) {
  .mode-switch { width: 100%; }
  .mode-switch button { flex: 1; text-align: center; }
  .field input,
  .login-field input { border-radius: 14px !important; }
}

/* ========== Touch targets & forms ========== */
@media (max-width: 900px) {
  a, button, summary, [role="button"] {
    touch-action: manipulation;
  }
  input, select, textarea {
    font-size: 16px !important; /* avoid iOS zoom */
  }
}

/* Ingredient science + other 4-up cards */
.gk-actives-grid,
.gk-quad-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
@media (max-width: 900px) {
  .gk-actives-grid,
  .gk-quad-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 14px !important;
  }
}
@media (max-width: 560px) {
  .gk-actives-grid,
  .gk-quad-grid {
    grid-template-columns: 1fr !important;
  }
  .gk-actives-grid article h3,
  .gk-quad-grid h3 {
    font-size: 1.05rem !important;
    overflow-wrap: anywhere;
  }
}

@media (max-width: 900px) {
  #actives [style*="grid-template-columns:repeat(4"],
  #actives [style*="grid-template-columns: repeat(4"],
  #actives [style*="repeat(4, 1fr)"],
  #actives [style*="repeat(4,1fr)"] {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 14px !important;
  }
}
@media (max-width: 560px) {
  #actives [style*="grid-template-columns:repeat(4"],
  #actives [style*="grid-template-columns: repeat(4"],
  #actives [style*="repeat(4, 1fr)"],
  #actives [style*="repeat(4,1fr)"] {
    grid-template-columns: 1fr !important;
  }
  #actives article h3 {
    font-size: 1.05rem !important;
    overflow-wrap: anywhere;
  }
}

.gk-mobile-shop {
  display: none;
}

@media (max-width: 900px) {
  /* Hero: taller, quieter chrome, clearer brand mark */
  #top {
    min-height: min(78svh, 620px) !important;
  }
  .film-shield {
    background: transparent !important;
  }
  .film-mark {
    padding: 18px 22px !important;
    width: min(90vw, 340px) !important;
    border-radius: 20px !important;
    background: radial-gradient(circle at 50% 40%, rgba(14, 10, 20, .72), rgba(14, 10, 20, .28) 72%, transparent 100%) !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
  .film-mark p {
    letter-spacing: .28em !important;
    font-size: 10px !important;
  }
  .film-mark strong {
    margin-top: 12px !important;
    font-size: clamp(1.15rem, 5.2vw, 1.45rem) !important;
    max-width: 14ch !important;
    line-height: 1.1 !important;
  }
  .film-word--xl { opacity: .78 !important; }
  .film-word--md { opacity: .7 !important; }

  /* Collection intro: calmer hierarchy */
  #shop > div > div:first-child {
    gap: 12px !important;
    margin-bottom: 28px !important;
  }
  #shop h2 {
    font-size: clamp(1.85rem, 8vw, 2.4rem) !important;
    letter-spacing: -.035em !important;
  }

  /* Product rail cards: tactile + clear buy action */
  #shop [data-tilt] {
    border-radius: 22px !important;
    box-shadow: 0 10px 28px rgba(25, 24, 23, .08) !important;
    background: #fff !important;
  }
  #shop [data-tilt] h3 {
    font-size: 1.22rem !important;
  }
  #shop [data-tilt] button {
    padding: 12px 18px !important;
    font-size: 11px !important;
    letter-spacing: .1em !important;
    box-shadow: 0 8px 20px rgba(30, 91, 76, .28) !important;
  }
  #shop [data-tilt] > div:last-child {
    padding: 0 18px 20px !important;
    gap: 12px !important;
  }
  #shop [data-tilt] > div:last-child > span {
    font-size: 1.05rem !important;
  }

  /* Ingredient cards: magazine feel */
  .gk-actives-grid article,
  #actives article {
    border-radius: 20px !important;
    box-shadow: 0 12px 32px rgba(25, 24, 23, .07) !important;
    overflow: hidden;
  }
  .gk-actives-grid article > div:last-child,
  #actives article > div:last-child {
    padding: 22px 20px 24px !important;
  }

  /* Reviews: one confident card */
  [data-rev] > * {
    flex: 0 0 min(86vw, 340px) !important;
  }

  /* Waitlist: conversion form */
  #waitlist > div {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
    padding: 28px 22px !important;
    border-radius: 22px !important;
  }
  #waitlist form {
    width: 100% !important;
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }
  #waitlist input,
  #waitlist button {
    width: 100% !important;
    min-width: 0 !important;
    justify-content: center !important;
    box-sizing: border-box !important;
  }
  #waitlist button {
    padding: 16px 22px !important;
    font-size: 13px !important;
  }

  /* Sticky mobile shop cue */
  .gk-mobile-shop {
    display: flex;
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    z-index: 180;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 52px;
    padding: 0 22px;
    border-radius: 999px;
    background: #1E5B4C;
    color: #fff !important;
    text-decoration: none !important;
    font: 600 13px/1 "Inter Tight", system-ui, sans-serif;
    letter-spacing: .04em;
    box-shadow: 0 14px 40px rgba(30, 91, 76, .45), 0 0 0 1px rgba(255, 255, 255, .12);
    transform: translateY(120%);
    opacity: 0;
    pointer-events: none;
    transition: transform .35s cubic-bezier(.2, .8, .2, 1), opacity .28s ease;
  }
  .gk-mobile-shop.is-on {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .gk-mobile-shop svg {
    width: 16px;
    height: 16px;
  }
  body.gk-nav-open .gk-mobile-shop {
    opacity: 0 !important;
    pointer-events: none !important;
  }

  /* Shop page polish */
  main .card {
    border-radius: 20px !important;
    box-shadow: 0 10px 28px rgba(25, 24, 23, .06);
  }
  main .card .in {
    padding: 18px 18px 20px !important;
  }
  main .card .price {
    font-size: 1.05rem !important;
  }
  main h1 {
    font-size: clamp(1.9rem, 8vw, 2.45rem) !important;
  }
}

@media (max-width: 560px) {
  #gukin-root > section:not(#top),
  #gukin-root > footer {
    padding-left: 18px !important;
    padding-right: 18px !important;
  }

  /* Room for sticky shop CTA */
  body.gk-has-mobile-shop #gukin-root > footer {
    padding-bottom: 96px !important;
  }

  #shop [data-tilt] {
    flex: 0 0 90% !important;
    min-width: 90% !important;
    max-width: 90% !important;
  }

  /* FAQ cards feel premium */
  #faq [data-faqrail] > a {
    flex: 0 0 88% !important;
    max-width: 88% !important;
    padding: 22px !important;
    border-radius: 20px !important;
  }

  /* Primary buttons fill thumb zone */
  #shop a[href*="shop"],
  #gukin-root a.btn,
  #gukin-root button[data-mag] {
    min-height: 48px;
  }
}