/* Karachi Executive Gym — floor-marking palette: ultramarine, safety yellow, concrete */
:root {
  --ultra: #1a2bd0;
  --ultra-deep: #0f1a8c;
  --ink: #0d1128;
  --signal: #ffd400;
  --concrete: #eceef1;
  --paper: #f8f9fb;
  --steel: #545c7a;
  --line: #cdd2dc;
  --wa: #0f7a3e;
  --display: "Big Shoulders Display", "Arial Narrow", "Roboto Condensed", Impact, sans-serif;
  --body: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --wrap: 1160px;
  --gut: clamp(1.1rem, 4vw, 2rem);
  --hdr: 64px;
  --focus: var(--ink);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: var(--hdr); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  font: 400 1.0625rem/1.6 var(--body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 3px; }
h1, h2, h3, p, ul, dl, dd, figure, address { margin: 0; }
ul { padding: 0; list-style: none; }
address { font-style: normal; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.on-dark { --focus: var(--signal); }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.ico { fill: none; stroke: currentColor; stroke-width: 3.5; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.wrap { width: min(100% - 2 * var(--gut), var(--wrap)); margin-inline: auto; }

.skip { position: absolute; left: 1rem; top: -4rem; z-index: 100; padding: .75rem 1rem; background: var(--signal); color: var(--ink); font-weight: 700; }
.skip:focus { top: .75rem; }

/* Type */
.h2 {
  font: 900 clamp(2.4rem, 7vw, 4.4rem)/.92 var(--display);
  text-transform: uppercase;
  letter-spacing: .005em;
  text-wrap: balance;
}
.lead { font-size: clamp(1.1rem, 2.4vw, 1.3rem); line-height: 1.5; max-width: 34em; margin-top: 1.1rem; }
.prose p + p { margin-top: 1rem; }
.prose { max-width: 38em; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  min-height: 50px; padding: .8rem 1.5rem;
  font: 700 1rem/1.1 var(--body); text-decoration: none; text-align: center;
  border: 2px solid transparent; border-radius: 2px; cursor: pointer;
  transition: background-color .15s, color .15s, border-color .15s;
}
.btn-signal { background: var(--signal); color: var(--ink); }
.btn-signal:hover { background: #fff; }
.btn-ink { background: var(--ink); color: #fff; }
.btn-ink:hover { background: var(--ultra); }
.btn-line { border-color: #fff; color: #fff; }
.btn-line:hover { background: #fff; color: var(--ultra); }
.btn-outline { border-color: var(--ink); color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: #fff; }
.btn-wa { background: var(--wa); color: #fff; }
.btn-wa:hover { background: #0b5f30; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.75rem; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; height: var(--hdr); background: var(--concrete); border-bottom: 2px solid var(--ink); }
.bar { height: 100%; display: flex; align-items: center; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .65rem; text-decoration: none; margin-right: auto; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 34px; background: var(--ultra); color: var(--signal); font: 900 1.25rem/1 var(--display); letter-spacing: .04em; }
.brand-text { font: 900 1.3rem/1 var(--display); text-transform: uppercase; letter-spacing: .02em; }
.menu-btn { min-height: 44px; padding: 0 1rem; background: transparent; border: 2px solid var(--ink); border-radius: 2px; font: 700 .95rem var(--body); color: var(--ink); cursor: pointer; }
.header-call { display: none; min-height: 44px; padding: .5rem 1.1rem; }

.site-nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--concrete); border-bottom: 2px solid var(--ink); }
.js .site-nav { display: none; }
.js .site-nav.is-open { display: block; }
.site-nav ul { display: flex; flex-direction: column; padding: .5rem var(--gut) 1rem; }
.site-nav a { display: block; padding: .85rem 0; font-weight: 700; text-decoration: none; border-bottom: 1px solid var(--line); }
.site-nav a:hover { color: var(--ultra); }

@media (min-width: 1040px) {
  .menu-btn { display: none; }
  .header-call { display: inline-flex; }
  .brand { margin-right: 0; }
  .js .site-nav, .site-nav { display: block; position: static; background: none; border: 0; margin-left: auto; }
  .site-nav ul { flex-direction: row; gap: .15rem; padding: 0; }
  .site-nav a { padding: .5rem .7rem; border: 0; font-size: .95rem; font-weight: 500; }
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(13, 17, 40, 0.88) 0%, rgba(26, 43, 208, 0.82) 100%), url('images/hero.jpg') center/cover no-repeat;
  color: #fff;
  padding: clamp(2.5rem, 7vw, 5rem) 0 clamp(3rem, 8vw, 6rem);
}
.hero-badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  background: rgba(255, 212, 0, 0.15);
  border: 1px solid var(--signal);
  color: var(--signal);
  font: 700 0.85rem/1 var(--body);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
  border-radius: 2px;
}
.hero::before { /* centre-circle floor marking */
  content: ""; position: absolute; width: min(120vw, 900px); aspect-ratio: 1; left: 42%; bottom: -46%;
  border: 3px solid rgba(255, 212, 0, .35); border-radius: 50%; pointer-events: none;
}
.hero::after { /* halfway line */
  content: ""; position: absolute; left: 0; right: 0; bottom: clamp(1.25rem, 3vw, 2rem); height: 3px; background: rgba(255, 212, 0, .4); pointer-events: none;
}
.hero-grid { position: relative; z-index: 1; display: grid; gap: 2.5rem; }
.hero h1 { font: 900 clamp(4.4rem, 22vw, 10.5rem)/.82 var(--display); text-transform: uppercase; letter-spacing: -.005em; }
.hero h1 span { display: block; }
.hero-sub { max-width: 30em; margin-top: 1.5rem; font-size: clamp(1.1rem, 2.6vw, 1.35rem); line-height: 1.45; }
.hero-link { margin-top: 1.25rem; font-weight: 700; }
.hero-link a:hover { color: var(--signal); }

.board { align-self: end; padding: 1.5rem; background: var(--ink); border: 2px solid var(--signal); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4); }
.board-title { font: 700 1rem/1 var(--body); color: rgba(255, 255, 255, .75); }
.board-status { display: flex; align-items: center; gap: .6rem; margin-top: .9rem; font-weight: 700; }
.board-status::before { content: ""; width: 12px; height: 12px; border-radius: 50%; background: #8f96b3; flex: none; }
.board-status[data-state="open"]::before { background: #3ddc84; box-shadow: 0 0 0 4px rgba(61, 220, 132, .25); }
.board-status[data-state="closed"]::before { background: #ff6b5e; }
.board-status[data-state="unknown"]::before { background: var(--signal); }
.board-hours { margin-top: .6rem; font: 900 clamp(2.4rem, 8vw, 3.4rem)/1 var(--display); color: var(--signal); text-transform: uppercase; }
.board-hours span { font-size: .55em; color: #fff; font-weight: 700; }
.track { position: relative; height: 14px; margin-top: 1.5rem; background: rgba(255, 255, 255, .16); }
.band { position: absolute; top: 0; bottom: 0; left: 29.1667%; right: 0; background: var(--signal); }
.track.is-off .band { opacity: .3; }
.now { position: absolute; top: -9px; width: 4px; height: 32px; margin-left: -2px; background: #fff; box-shadow: 0 0 0 2px var(--ink); }
.ticks { display: flex; justify-content: space-between; margin-top: .5rem; font-size: .75rem; color: rgba(255, 255, 255, .75); }
.board-note { margin-top: 1rem; font-size: .9rem; color: rgba(255, 255, 255, .8); }

@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.3fr .7fr; align-items: end; gap: 3rem; }
}
@media (prefers-reduced-motion: no-preference) {
  .hero h1 span { animation: rise .8s cubic-bezier(.2, .7, .2, 1) both; }
  .hero h1 span:nth-child(2) { animation-delay: .09s; }
  .hero h1 span:nth-child(3) { animation-delay: .18s; }
  .board { animation: rise .8s .3s cubic-bezier(.2, .7, .2, 1) both; }
  @keyframes rise { from { opacity: 0; transform: translateY(36px); } to { opacity: 1; transform: none; } }
}

/* Sections */
.section { padding: clamp(4rem, 9vw, 7rem) 0; }
.section-paper { background: var(--paper); }
.section-concrete { background: var(--concrete); }
.section-ink { background: var(--ink); color: #fff; }
.section-deep { background: var(--ultra-deep); color: #fff; }
.section-ultra { background: var(--ultra); color: #fff; }
.two-col { display: grid; gap: 2.5rem; }
@media (min-width: 900px) { .two-col { grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; } }

/* About */
.facts { margin-top: 2rem; border-top: 3px solid var(--ink); }
.facts div { display: grid; grid-template-columns: 6rem 1fr; gap: 1rem; padding: .9rem 0; border-bottom: 1px solid var(--line); }
.facts dt { color: var(--steel); font-weight: 500; }
.facts dd { font-weight: 700; }
.facts a { color: var(--ultra); }

/* Ladies & Gents */
.lg { background: var(--concrete); padding-top: clamp(4rem, 9vw, 7rem); }
.lg-head { margin-bottom: 2.5rem; }
.split { display: grid; }
.panel { padding: clamp(2.5rem, 6vw, 4.5rem) var(--gut); display: flex; flex-direction: column; align-items: flex-start; gap: 1.25rem; }
.panel h3 { font: 900 clamp(4rem, 14vw, 8rem)/.85 var(--display); text-transform: uppercase; }
.panel p { max-width: 24em; font-size: 1.15rem; }
.panel-ladies { background: var(--ultra-deep); color: #fff; }
.panel-gents { background: var(--signal); color: var(--ink); }
@media (min-width: 800px) {
  .split { grid-template-columns: 1fr 1fr; }
  .panel { padding-inline: max(var(--gut), calc((100vw - var(--wrap)) / 2)) 3rem; }
  .panel-gents { padding-inline: 3rem max(var(--gut), calc((100vw - var(--wrap)) / 2)); }
}

/* Facilities */
.fac { display: grid; gap: 3rem; }
.fac-art { width: 170px; height: 170px; margin-top: 2.5rem; color: var(--signal); stroke-width: 1.6; }
.asks { border-top: 2px solid var(--signal); }
.asks a { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.25rem 0; text-decoration: none; border-bottom: 1px solid rgba(255, 255, 255, .22); transition: color .15s, padding .15s; }
.asks strong { display: block; font: 700 1.25rem/1.25 var(--body); }
.asks small { display: block; margin-top: .2rem; font-size: 1rem; color: rgba(255, 255, 255, .75); }
.asks a:hover { color: var(--signal); padding-left: .5rem; }
.asks .ico { color: var(--signal); }
@media (min-width: 900px) { .fac { grid-template-columns: 1fr 1.1fr; gap: 5rem; } }

/* Why */
.why { display: grid; gap: 2rem; margin-top: 3rem; }
.why article { padding-top: 1.25rem; border-top: 4px solid var(--ink); }
.why-ico { display: grid; place-items: center; width: 60px; height: 60px; margin-bottom: 1.1rem; background: var(--ultra); color: var(--signal); }
.why h3 { font: 900 1.75rem/1 var(--display); text-transform: uppercase; letter-spacing: .01em; }
.why p { margin-top: .6rem; color: #2c3350; }
@media (min-width: 640px) { .why { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .why { grid-template-columns: repeat(4, 1fr); gap: 1.75rem; } }

/* Gallery */
.gallery-header { margin-bottom: 2rem; }
.gallery-subnote {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.85rem;
  padding: 0.45rem 0.95rem;
  background: #e4e7ec;
  border-left: 3px solid var(--ultra);
  font-size: 0.88rem;
  color: var(--steel);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}
@media (min-width: 560px) {
  .gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .gallery { grid-template-columns: repeat(3, 1fr); }
}

.tile {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(13, 17, 40, 0.12);
  background: var(--ink);
  aspect-ratio: 4 / 3;
}

.tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s cubic-bezier(0.2, 0.7, 0.2, 1), opacity 0.3s;
}

.tile:hover img {
  transform: scale(1.06);
  opacity: 0.92;
}

.tile figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1.25rem 1rem 0.75rem;
  background: linear-gradient(to top, rgba(13, 17, 40, 0.92) 0%, rgba(13, 17, 40, 0) 100%);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
  pointer-events: none;
}

/* Hours */
.hours { display: grid; gap: 2.5rem; align-items: center; }
.hours-big { margin-top: 1.5rem; font: 900 clamp(6rem, 24vw, 12rem)/.8 var(--display); color: var(--signal); }
.hours-table { width: 100%; border-collapse: collapse; }
.hours-table th, .hours-table td { padding: .95rem 1rem; text-align: left; border-bottom: 1px solid rgba(255, 255, 255, .25); }
.hours-table th { font-weight: 700; }
.hours-table tr.today { background: var(--signal); color: var(--ink); }
.hours-table tr.today th, .hours-table tr.today td { border-color: var(--signal); }
.hours-note { margin-top: 1rem; font-size: .95rem; color: rgba(255, 255, 255, .8); }
@media (min-width: 900px) { .hours { grid-template-columns: 1fr 1fr; gap: 4rem; } }

/* Membership form */
.form { display: grid; gap: 1.25rem; padding: clamp(1.25rem, 4vw, 2rem); background: #fff; border: 2px solid var(--ink); }
.field { display: grid; gap: .4rem; min-width: 0; border: 0; padding: 0; margin: 0; }
.field label, .field legend { padding: 0; font-weight: 700; font-size: .95rem; }
.field input[type="text"], .field select, .field textarea {
  width: 100%; min-height: 50px; padding: .7rem .85rem; font: inherit; color: var(--ink);
  background: var(--paper); border: 2px solid var(--ink); border-radius: 2px;
}
.field textarea { resize: vertical; min-height: 96px; }
.field [aria-invalid="true"] { border-color: #b3261e; }
.err { color: #b3261e; font-size: .92rem; font-weight: 500; }
.seg-opts { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.seg-opts input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.seg-opts label { display: grid; place-items: center; min-height: 50px; border: 2px solid var(--ink); border-radius: 2px; font-size: 1rem; cursor: pointer; transition: background-color .15s, color .15s; }
.seg-opts input:checked + label { background: var(--ultra); border-color: var(--ultra); color: #fff; }
.seg-opts input:focus-visible + label { outline: 3px solid var(--focus); outline-offset: 3px; }
.form-note { font-size: .95rem; color: var(--steel); }
.form-note:empty { display: none; }

/* Location */
.addr { margin-top: 1.5rem; font-size: 1.3rem; line-height: 1.5; font-weight: 500; }
.map { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .9rem; aspect-ratio: 4 / 3; min-height: 280px; padding: 1.5rem; text-align: center; background: var(--ink); color: #fff; overflow: hidden; }
.map p { font-size: .9rem; color: rgba(255, 255, 255, .75); }
.map-pin { color: var(--signal); stroke-width: 2.4; }
.map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* FAQ */
.faq-wrap { display: grid; gap: 2.5rem; }
.faq { border-top: 3px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding: 1.2rem 0; font-weight: 700; font-size: 1.15rem; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; display: grid; place-items: center; width: 34px; height: 34px; background: var(--ink); color: #fff; font: 700 1.3rem/1 var(--body); }
.faq details[open] summary::after { content: "\2212"; background: var(--ultra); }
.faq details p { padding: 0 3rem 1.4rem 0; max-width: 40em; color: #2c3350; }
.faq a { color: var(--ultra); font-weight: 700; }
@media (min-width: 900px) { .faq-wrap { grid-template-columns: .8fr 1.2fr; gap: 4rem; align-items: start; } }

/* Contact */
.contact { display: flex; flex-direction: column; align-items: flex-start; }
.contact-num { margin-top: 1.5rem; font: 900 clamp(2.6rem, 11vw, 6.5rem)/1 var(--display); color: var(--signal); text-decoration: none; letter-spacing: .01em; }
.contact-num:hover { color: #fff; }
.contact-meta { margin-top: 2rem; font-size: 1.1rem; }

/* Footer */
.footer { padding: 3.5rem 0 6rem; background: var(--ink); color: #fff; }
.foot { display: grid; gap: 2rem; }
.foot p { color: rgba(255, 255, 255, .8); }
.foot-brand { font: 900 1.6rem/1.1 var(--display); text-transform: uppercase; color: #fff !important; margin-bottom: .5rem; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--signal); }
.foot ul { display: flex; flex-wrap: wrap; gap: .4rem 1.25rem; }
.foot-legal { margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid rgba(255, 255, 255, .22); font-size: .9rem; color: rgba(255, 255, 255, .75); }
@media (min-width: 800px) { .foot { grid-template-columns: 1fr auto; align-items: start; } .foot ul { max-width: 22rem; justify-content: flex-end; } }

/* WhatsApp float */
.wa-float {
  position: fixed; z-index: 60; right: max(1rem, env(safe-area-inset-right)); bottom: max(1rem, env(safe-area-inset-bottom));
  display: grid; place-items: center; width: 60px; height: 60px; background: #1fa855; border-radius: 50%;
  box-shadow: 0 0 0 3px var(--paper), 0 6px 18px rgba(13, 17, 40, .35);
  transition: transform .15s;
}
.wa-float:hover { transform: scale(1.07); }
.wa-float:focus-visible { outline: 3px solid var(--ink); outline-offset: 5px; }

/* Mobile Sticky Action Bar */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: rgba(13, 17, 40, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 2px solid var(--signal);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.sticky-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 46px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 4px;
  text-decoration: none;
}

.sticky-call {
  background: var(--signal);
  color: var(--ink);
}

.sticky-wa {
  background: #1fa855;
  color: #fff;
}

@media (max-width: 767px) {
  body {
    padding-bottom: 70px;
  }
  .mobile-sticky-bar {
    display: flex;
  }
  .wa-float {
    bottom: 80px;
  }
}