/* ===================================================================
   CHALO LINUX — design tokens
   Palette: warm paper ground (signage feel of Lahore shopfronts),
   deep teal as primary brand, mustard as the hand-painted accent.
   =================================================================== */

:root{
  --ink:        #1B1F1D;
  --ink-soft:   #44504B;
  --paper:      #F2EEE2;
  --paper-2:    #E7DFC9;
  --paper-3:    #FBF9F2;
  --teal:       #1F5E5B;
  --teal-deep:  #123A38;
  --teal-pale:  #DCEBE9;
  --mustard:    #E3A23B;
  --mustard-deep:#B97D1F;
  --rust:       #BE4F30;

  --radius: 6px;
  --max: 1140px;

  --font-display: "Archivo", "Archivo Black", sans-serif;
  --font-body: "Inter", -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;
}

@media (prefers-reduced-motion: no-preference){
  .reveal{ animation: rise .6s ease both; }
}
@keyframes rise{
  from{ opacity:0; transform: translateY(14px); }
  to{ opacity:1; transform: translateY(0); }
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
}
img{ max-width:100%; display:block; }
a{ color: var(--teal-deep); text-decoration: none; }
a:hover{ text-decoration: underline; }
:focus-visible{ outline: 3px solid var(--mustard); outline-offset: 2px; }

.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 24px; }

h1,h2,h3{
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.08;
  margin: 0 0 .5em;
  color: var(--teal-deep);
}
h1{ font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2{ font-size: clamp(1.6rem, 3.4vw, 2.3rem); }
h3{ font-size: 1.25rem; }
p{ margin: 0 0 1em; }

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-pale);
  border-radius: 99px;
  padding: 5px 12px;
  margin-bottom: 14px;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .95rem;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor:pointer;
  text-decoration:none;
}
.btn-primary{ background: var(--mustard); color: var(--teal-deep); }
.btn-primary:hover{ background: var(--mustard-deep); text-decoration:none; color:#fff; }
.btn-ghost{ border-color: var(--teal-deep); color: var(--teal-deep); }
.btn-ghost:hover{ background: var(--teal-deep); color:#fff; text-decoration:none; }
.btn-on-dark{ border-color: var(--paper); color: var(--paper); }
.btn-on-dark:hover{ background: var(--paper); color: var(--teal-deep); text-decoration:none; }

/* ---------- header ---------- */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: var(--paper-3);
  border-bottom: 1px solid var(--paper-2);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-top: 14px; padding-bottom: 14px;
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--teal-deep);
}
.logo .dot{ color: var(--rust); }
.main-nav{ display:flex; align-items:center; gap: 26px; }
.main-nav a{
  color: var(--ink);
  font-size: .95rem;
  font-weight: 600;
}
.main-nav a:hover{ color: var(--teal-deep); text-decoration:none; }
.nav-cta{ display:flex; gap:10px; align-items:center; }
.nav-toggle{ display:none; }

@media (max-width: 800px){
  .main-nav{
    position:fixed; inset: 64px 0 0 0; background: var(--paper-3);
    flex-direction:column; align-items:flex-start; gap:22px;
    padding: 30px 24px; transform: translateX(100%); transition: transform .25s ease;
  }
  .main-nav.open{ transform: translateX(0); }
  .nav-toggle{
    display:inline-flex; background:none; border: 2px solid var(--teal-deep);
    border-radius: var(--radius); padding: 8px 10px; cursor:pointer;
  }
  .nav-cta .btn-ghost{ display:none; }
}

/* ---------- hero / split screen signature element ---------- */
.hero{ padding: 64px 0 40px; background: var(--paper); overflow:hidden; }
.hero .wrap{ display:grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items:center; }
.hero-copy p.lede{ font-size: 1.15rem; color: var(--ink-soft); max-width: 46ch; }
.hero-actions{ display:flex; gap:14px; margin-top: 26px; flex-wrap:wrap; }
.hero-trust{ margin-top: 28px; font-family: var(--font-mono); font-size: .85rem; color: var(--ink-soft); }

.screens{ position:relative; }
.screen{
  border-radius: 10px;
  border: 2px solid var(--ink);
  box-shadow: 0 10px 0 rgba(0,0,0,.08);
  overflow:hidden;
  background:#fff;
}
.screen-bar{
  display:flex; gap:6px; align-items:center;
  padding: 8px 10px; font-family: var(--font-mono); font-size: .7rem;
}
.dotbtn{ width:9px; height:9px; border-radius:50%; display:inline-block; }
.screen-old{ background: #E9E2CC; border-color: var(--rust); transform: rotate(-2deg) translate(-6px, 4px); }
.screen-old .screen-bar{ background: var(--rust); color:#fff; }
.screen-new{ background: var(--teal-pale); border-color: var(--teal-deep); transform: rotate(1.5deg) translate(18px, -36px); position:relative; z-index:2; }
.screen-new .screen-bar{ background: var(--teal-deep); color: var(--paper); }
.screen-body{ padding: 16px; font-family: var(--font-mono); font-size: .75rem; }
.screen-old .screen-body{ color:#7a6a3a; }
.screen-new .screen-body{ color: var(--teal-deep); }
.screen-body .line{ height:8px; border-radius:2px; margin-bottom:7px; background: currentColor; opacity:.18; }
.badge-x{ color: var(--rust); font-weight:800; }
.badge-ok{ color: var(--teal); font-weight:800; }
.arrow-swoosh{
  position:absolute; left:50%; top:48%; width:64px; height:64px;
  transform: translate(-50%,-50%); z-index:3;
}

/* ---------- section scaffolding ---------- */
section{ padding: 70px 0; }
.section-alt{ background: var(--paper-3); border-top:1px solid var(--paper-2); border-bottom:1px solid var(--paper-2); }
.section-deep{ background: var(--teal-deep); color: var(--paper); }
.section-deep h2, .section-deep h3{ color: var(--paper); }
.section-head{ max-width: 640px; margin-bottom: 40px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* ---------- grids/cards ---------- */
.grid-3{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
@media (max-width: 860px){ .grid-3,.grid-2{ grid-template-columns: 1fr; } .hero .wrap{ grid-template-columns: 1fr; } .hero-visual{ order:-1; } }

.card{
  background: var(--paper-3);
  border: 1px solid var(--paper-2);
  border-radius: var(--radius);
  padding: 26px;
}
.card .icon{
  width: 42px; height:42px; border-radius:8px;
  background: var(--teal-pale); color: var(--teal-deep);
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 14px; font-family: var(--font-display); font-weight:800;
}
.icon-circle{
  width: 48px; height:48px; border-radius:50%;
  background: var(--teal-deep); color: var(--mustard);
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 16px;
}
.icon-circle svg{ width:22px; height:22px; }
.contact-card{ display:flex; flex-direction:column; }
.contact-card .label{ font-family: var(--font-mono); font-size:.75rem; text-transform:uppercase; letter-spacing:.07em; color: var(--ink-soft); margin-bottom:4px; }
.contact-card .value{ font-weight:700; margin-bottom: 14px; }
.map-frame{ border:2px solid var(--ink); border-radius: var(--radius); overflow:hidden; height: 320px; }
.map-frame iframe{ width:100%; height:100%; border:0; filter: grayscale(.15); }
.card-price{ background: var(--paper-3); border:2px solid var(--paper-2); border-radius: var(--radius); padding: 30px; }
.card-price.is-popular{ border-color: var(--mustard); }
.price-tag{ font-family: var(--font-display); font-size:2rem; color: var(--teal-deep); margin: 10px 0; }
.price-tag span{ font-family: var(--font-mono); font-size:.85rem; color: var(--ink-soft); }
ul.checklist{ list-style:none; padding:0; margin: 18px 0; }
ul.checklist li{ padding-left: 26px; position:relative; margin-bottom:8px; font-size:.95rem; }
ul.checklist li::before{ content:"✓"; position:absolute; left:0; color: var(--teal); font-weight:800; }

/* ---------- steps ---------- */
.steps{ list-style:none; margin:0; padding:0; display:grid; gap: 22px; }
.step{ display:grid; grid-template-columns: 64px 1fr; gap: 18px; align-items:start; }
.step .num{
  font-family: var(--font-display); font-size: 1.4rem; color: var(--teal-deep);
  width:64px; height:64px; border-radius:50%; border:2px solid var(--teal-deep);
  display:flex; align-items:center; justify-content:center;
}

/* ---------- faq ---------- */
details.faq{ border-bottom: 1px solid var(--paper-2); padding: 18px 0; }
details.faq summary{ cursor:pointer; font-weight:700; color: var(--teal-deep); font-size: 1.05rem; list-style:none; display:flex; justify-content:space-between; gap: 16px;}
details.faq summary::-webkit-details-marker{ display:none; }
details.faq summary::after{ content:"+"; font-family: var(--font-mono); font-size:1.3rem; color: var(--mustard-deep); }
details.faq[open] summary::after{ content:"–"; }
details.faq p{ margin-top: 12px; color: var(--ink-soft); }

/* ---------- quote / testimonial ---------- */
.quote{
  border-left: 4px solid var(--mustard);
  padding-left: 20px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--teal-deep);
}
.quote-by{ font-family: var(--font-mono); font-size:.85rem; color: var(--ink-soft); margin-top: 10px; }

/* ---------- cta banner ---------- */
.cta-banner{ background: var(--mustard); padding: 50px 0; }
.cta-banner .wrap{ display:flex; align-items:center; justify-content:space-between; gap: 30px; flex-wrap:wrap; }
.cta-banner h2{ color: var(--teal-deep); margin:0; }

/* ---------- footer ---------- */
.site-footer{ background: var(--teal-deep); color: var(--paper); padding: 50px 0 24px; }
.site-footer a{ color: var(--paper); }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 34px; margin-bottom: 36px; }
.footer-grid h4{ font-family: var(--font-mono); text-transform:uppercase; font-size:.8rem; letter-spacing:.08em; color: var(--mustard); margin-bottom: 14px; }
.footer-grid ul{ list-style:none; padding:0; margin:0; display:grid; gap:8px; }
.social-row{ display:flex; gap:14px; margin-top:18px; }
.social-row a{ width:34px; height:34px; border-radius:50%; background:rgba(255,255,255,.1); display:flex; align-items:center; justify-content:center; }
.social-row a:hover{ background: var(--mustard); }
.social-row a:hover{ text-decoration:none; }
.social-row svg{ width:17px; height:17px; color: var(--paper); }
.footer-bottom{ border-top: 1px solid rgba(255,255,255,.15); padding-top: 18px; font-size:.85rem; color: var(--paper-2); display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; }
@media (max-width: 760px){ .footer-grid{ grid-template-columns: 1fr; } }

/* ---------- page header for inner pages ---------- */
.page-hero{ padding: 50px 0 36px; border-bottom: 1px solid var(--paper-2); }
.page-hero p.lede{ max-width: 60ch; color: var(--ink-soft); font-size:1.1rem; }

/* misc */
.mono{ font-family: var(--font-mono); }
.center{ text-align:center; }
.mt-0{ margin-top:0; }
.divider-strip{ height: 10px; background: repeating-linear-gradient(45deg, var(--teal-deep) 0 10px, var(--mustard) 10px 20px); }