/*
Theme Name: Lhasu
Theme URI: https://lhasu.com
Author: Lhasu
Author URI: https://lhasu.com
Description: Custom lightweight theme for Lhasu — AI Workflow Automation & Web Design. Hand-coded, no page builder, built for speed.
Version: 2.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: lhasu
*/

/* ==========================================================================
   0. Design tokens
   ========================================================================== */
:root{
  --color-primary:#C2521B;
  --color-primary-dark:#A6431A;
  --color-primary-soft:#FBEDE4;
  --color-ink:#191713;
  --color-ink-soft:#55503F;
  --color-ink-faint:#8C8574;
  --color-bg:#FCFBF8;
  --color-bg-alt:#F1EDE4;
  --color-bg-cream:#F4F1EA;
  --color-border:#DDD7C9;
  --color-white:#FFFFFF;
  --font-heading:'Bricolage Grotesque', 'Segoe UI', sans-serif;
  --font-body:'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:'Spline Sans Mono', 'Courier New', monospace;
  --radius-sm:6px;
  --radius-md:14px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(25,23,19,0.06);
  --shadow-md:0 8px 24px rgba(25,23,19,0.08);
  --shadow-lg:0 20px 48px rgba(25,23,19,0.14);
  --container-width:1180px;
}

/* ==========================================================================
   1. Reset
   ========================================================================== */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--color-ink);
  background:var(--color-bg);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-heading);
  color:var(--color-ink);
  line-height:1.12;
  margin:0 0 0.5em;
  font-weight:700;
  letter-spacing:-0.01em;
}
p{margin:0 0 1.2em;color:var(--color-ink-soft);}
.screen-reader-text{position:absolute;left:-9999px;}

/* ==========================================================================
   2. Layout helpers
   ========================================================================== */
.container{
  max-width:var(--container-width);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:88px 0;}
.section--alt{background:var(--color-bg-alt);}
.section--dark{background:var(--color-ink);color:#F6F3EB;}
.section--dark h1,.section--dark h2,.section--dark h3{color:#F6F3EB;}
.section--dark p{color:#C9C3B4;}
.section-head{max-width:680px;margin:0 auto 56px;text-align:center;}
.eyebrow{
  display:block;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--color-ink-faint);
  margin-bottom:14px;
}
.section--dark .eyebrow{color:#B7AE98;}
.grid{display:grid;gap:32px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

/* ==========================================================================
   3. Buttons
   ========================================================================== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--color-ink);color:#fff;box-shadow:var(--shadow-md);}
.btn-primary:hover{background:#000;color:#fff;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,0.4);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,0.12);color:#fff;}
.btn-outline{background:transparent;border-color:var(--color-ink);color:var(--color-ink);}
.btn-outline:hover{background:var(--color-ink);color:#fff;}
.btn-accent{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-md);}
.btn-accent:hover{background:var(--color-primary-dark);color:#fff;}

/* ==========================================================================
   4. Header / Navigation
   ========================================================================== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(252,251,248,0.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--color-border);
}
.site-header__inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;max-width:var(--container-width);margin:0 auto;
}
.site-logo{display:flex;align-items:center;gap:10px;font-family:var(--font-heading);font-weight:700;font-size:22px;color:var(--color-ink);}
.site-logo img{max-height:36px;width:auto;}
.primary-nav ul{display:flex;gap:6px;align-items:center;}
.primary-nav a{display:inline-block;padding:8px 16px;border-radius:999px;color:var(--color-ink-soft);font-weight:500;font-size:15px;}
.primary-nav a:hover{color:var(--color-ink);background:var(--color-bg-alt);}

.header-cta{display:flex;align-items:center;gap:20px;}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;position:relative;z-index:1002;}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--color-ink);margin:5px 0;transition:all .2s ease;}
.menu-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.is-active span:nth-child(2){opacity:0;}
.menu-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.nav-backdrop{
  position:fixed;inset:0;background:rgba(25,23,19,0.45);opacity:0;pointer-events:none;
  transition:opacity .25s ease;z-index:998;
}
.nav-backdrop.is-visible{opacity:1;pointer-events:auto;}

@media (max-width:900px){
  .primary-nav{
    position:fixed;inset:0 0 0 auto;width:78%;max-width:340px;
    background:#fff;padding:96px 32px 32px;box-shadow:var(--shadow-lg);
    transform:translateX(100%);transition:transform .25s ease;height:100vh;overflow-y:auto;
    z-index:999;
  }
  .primary-nav.is-open{transform:translateX(0);}
  .primary-nav ul{flex-direction:column;align-items:flex-start;gap:8px;width:100%;}
  .primary-nav ul a{display:block;width:100%;}
  .menu-toggle{display:block;}
  .header-cta .btn{display:none;}
}

/* ==========================================================================
   5. Hero
   ========================================================================== */
.hero{padding:56px 0 0;}
.hero__block{
  position:relative;overflow:hidden;
  background:var(--color-primary);
  color:#fff;padding:64px 48px;border-radius:var(--radius-lg);
  display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;
}
.hero__block .eyebrow{color:rgba(255,255,255,0.8);}
.hero__block h1{color:#fff;font-size:clamp(2.1rem,4vw,3.1rem);margin-bottom:0;}
.hero__block p.lead{color:rgba(255,255,255,0.92);font-size:17px;margin-bottom:24px;}
.hero__actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.hero__actions .btn{width:100%;justify-content:center;}
.hero__trust{display:flex;justify-content:flex-start;gap:36px;margin-top:28px;flex-wrap:wrap;padding:0 8px;}
.hero__trust-item{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--color-ink-soft);}
.hero__trust-item::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--color-primary);flex:none;}

@media (max-width:900px){
  .hero__block{grid-template-columns:1fr;padding:40px 28px;}
  .hero__trust{gap:16px 24px;}
}

/* ==========================================================================
   6. Cards
   ========================================================================== */
.card{
  background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);
  padding:32px 28px;box-shadow:var(--shadow-sm);transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.card__tag{font-family:var(--font-mono);font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--color-primary);font-weight:500;margin-bottom:10px;display:block;}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{margin-bottom:0;font-size:15px;}

/* ==========================================================================
   7. Process steps
   ========================================================================== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
.step{border-top:2px solid var(--color-primary);padding-top:18px;}
.step__num{font-family:var(--font-mono);font-size:13px;color:var(--color-primary);margin-bottom:10px;display:block;}
.step h3{font-size:17px;margin-bottom:6px;}
.step p{margin-bottom:0;font-size:14px;}

@media (max-width:900px){
  .steps{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  .steps{grid-template-columns:1fr;}
}

/* ==========================================================================
   8. Service blocks (Services page)
   ========================================================================== */
.service-block{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:64px 0;border-bottom:1px solid var(--color-border);}
.service-block:last-child{border-bottom:none;}
.service-block--reverse .service-block__visual{order:-1;}
.service-block__visual{
  border-radius:var(--radius-lg);overflow:hidden;min-height:280px;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:12px;letter-spacing:0.08em;text-transform:uppercase;color:var(--color-ink-faint);
}
.service-block__visual img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-lg);}
.service-block ul.checklist li{position:relative;padding-left:28px;margin-bottom:10px;color:var(--color-ink);}
.service-block ul.checklist li::before{content:"✓";position:absolute;left:0;color:var(--color-primary);font-weight:700;}

/* ==========================================================================
   9. FAQ
   ========================================================================== */
.faq-item{border:1px solid var(--color-border);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;background:#fff;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-family:var(--font-heading);font-weight:700;
  font-size:16px;color:var(--color-ink);display:flex;justify-content:space-between;align-items:center;gap:16px;
  transition:background-color .15s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::marker{content:"";}
.faq-item summary:hover{background:var(--color-bg-alt);}
.faq-item summary::after{
  content:"\2193";font-weight:600;font-size:13px;color:var(--color-primary);flex:none;
  transition:transform .2s ease;line-height:1;width:28px;height:28px;border-radius:50%;background:var(--color-primary-soft);
  display:flex;align-items:center;justify-content:center;
}
.faq-item[open] summary{border-bottom:1px solid var(--color-border);}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item p{font-size:15px;margin:0;padding:18px 24px 20px;color:var(--color-ink-soft);}

.examples-more{margin-top:36px;text-align:center;}
.examples-more summary{
  list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:8px;
  padding:13px 28px;border-radius:999px;border:1.5px solid var(--color-ink);
  font-weight:600;font-size:15px;color:var(--color-ink);background:transparent;transition:all .15s ease;
}
.examples-more summary::-webkit-details-marker{display:none;}
.examples-more summary::marker{content:"";}
.examples-more summary:hover{background:var(--color-ink);color:#fff;}
.examples-more .grid{margin-top:36px;text-align:left;}
.examples-more .less-label{display:none;}
.examples-more[open] .more-label{display:none;}
.examples-more[open] .less-label{display:inline;}

/* ==========================================================================
   10. Portfolio
   ========================================================================== */
.portfolio-card{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--color-border);background:#fff;}
.portfolio-card__thumb{aspect-ratio:16/10;background:var(--color-bg-alt);display:flex;align-items:center;justify-content:center;color:var(--color-ink-faint);font-family:var(--font-mono);font-size:12px;text-transform:uppercase;letter-spacing:0.08em;}
.portfolio-card__body{padding:24px;}
.portfolio-card__tag{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:0.08em;color:var(--color-primary);font-weight:500;}

/* ==========================================================================
   11. Testimonials / honesty band
   ========================================================================== */
.testimonial{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:32px;}
.testimonial p{font-size:16px;color:var(--color-ink);font-style:italic;}
.testimonial__author{display:flex;align-items:center;gap:12px;margin-top:16px;}
.testimonial__avatar{width:44px;height:44px;border-radius:50%;background:var(--color-bg-alt);flex:none;}
.testimonial__name{font-weight:600;color:var(--color-ink);font-size:14px;}
.testimonial__role{font-size:13px;color:var(--color-ink-soft);}

.honesty-band{
  border:1px dashed var(--color-border);border-radius:var(--radius-lg);
  padding:32px;display:flex;gap:20px;align-items:flex-start;background:var(--color-bg-cream);
}
.honesty-band .eyebrow{margin-bottom:0;flex:none;width:140px;}
.honesty-band p{margin-bottom:0;color:var(--color-ink-soft);font-size:15px;}

/* ==========================================================================
   12. CTA band
   ========================================================================== */
.cta-band{
  background:var(--color-ink);
  border-radius:var(--radius-lg);padding:56px;text-align:left;color:#fff;
  display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;margin-bottom:0;font-size:26px;max-width:520px;}
.cta-band p{color:#C9C3B4;}

/* ==========================================================================
   13. Forms
   ========================================================================== */
.form-field{margin-bottom:20px;}
.form-field label{display:block;font-weight:600;font-size:14px;margin-bottom:6px;color:var(--color-ink);}
.form-field input,.form-field textarea,.form-field select{
  width:100%;padding:13px 16px;border:1px solid var(--color-border);border-radius:var(--radius-sm);
  font-family:var(--font-body);font-size:15px;color:var(--color-ink);background:#fff;
}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(194,82,27,0.15);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.chip-group{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px;}
.chip{
  display:inline-flex;align-items:center;padding:9px 18px;border-radius:999px;border:1.5px solid var(--color-border);
  font-size:14px;font-weight:500;color:var(--color-ink-soft);cursor:pointer;background:#fff;transition:all .15s ease;
}
.chip input{position:absolute;opacity:0;pointer-events:none;}
.chip:has(input:checked){border-color:var(--color-primary);color:var(--color-primary);background:var(--color-primary-soft);}
.form-notice{padding:14px 18px;border-radius:var(--radius-sm);margin-bottom:24px;font-size:14px;}
.form-notice--success{background:#ECFDF5;color:#065F46;border:1px solid #A7F3D0;}
.form-notice--error{background:#FEF2F2;color:#991B1B;border:1px solid #FECACA;}

@media (max-width:640px){
  .form-row{grid-template-columns:1fr;}
}

/* ==========================================================================
   14. Footer
   ========================================================================== */
.site-footer{background:var(--color-ink);color:#C9C3B4;padding:72px 0 32px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:56px;}
.footer-grid h4{color:#fff;font-size:15px;margin-bottom:18px;}
.footer-grid a{color:#C9C3B4;font-size:14px;display:block;margin-bottom:10px;}
.footer-grid a:hover{color:var(--color-primary);}
.footer-logo{color:#fff;font-family:var(--font-heading);font-weight:700;font-size:20px;margin-bottom:12px;display:block;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.12);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:#948D7C;}
.footer-bottom a{color:#948D7C;}
.footer-bottom a:hover{color:#fff;}

/* ==========================================================================
   15. Blog
   ========================================================================== */
.blog-search{display:flex;gap:10px;max-width:440px;margin:0 auto 48px;}
.blog-search input[type="search"]{
  flex:1;padding:12px 18px;border:1px solid var(--color-border);border-radius:999px;
  font-family:var(--font-body);font-size:15px;color:var(--color-ink);background:#fff;
}
.blog-search input[type="search"]:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(194,82,27,0.15);}
.blog-search button{
  padding:12px 24px;border-radius:999px;border:none;background:var(--color-ink);color:#fff;
  font-weight:600;font-size:14px;cursor:pointer;transition:background-color .15s ease;flex:none;
}
.blog-search button:hover{background:#000;}

.post-card{border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;background:#fff;transition:box-shadow .2s ease, transform .2s ease;}
.post-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.post-card__thumb{display:block;aspect-ratio:16/9;background:var(--color-bg-alt);overflow:hidden;}
.post-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .post-card__thumb img{transform:scale(1.05);}
.post-card__body{padding:24px;}
.post-card .post-meta{font-family:var(--font-mono);font-size:12px;color:var(--color-ink-faint);margin-bottom:8px;text-transform:uppercase;letter-spacing:0.06em;}
.post-card h3{font-size:18px;margin-bottom:10px;}
.post-card h3 a{color:var(--color-ink);}

.post-card--featured{display:grid;grid-template-columns:1.1fr 1fr;gap:0;margin-bottom:48px;}
.post-card--featured .post-card__thumb{aspect-ratio:auto;height:100%;min-height:340px;}
.post-card--featured .post-card__body{padding:44px;display:flex;flex-direction:column;justify-content:center;}
.post-card--featured .card__tag{margin-bottom:14px;}
.post-card--featured h3{font-size:30px;margin-bottom:14px;}
.post-card--featured p{font-size:16px;}
.post-card--featured .btn{width:max-content;}

.blog-empty{text-align:center;padding:48px 0;color:var(--color-ink-soft);font-size:16px;}

.single-post .entry-header{max-width:760px;margin:0 auto 40px;text-align:center;}
.single-post .entry-content{max-width:760px;margin:0 auto;font-size:17px;color:var(--color-ink);}
.single-post .entry-content p{color:var(--color-ink);}
.single-post .entry-content h2,.single-post .entry-content h3{margin-top:1.4em;}
.pagination{display:flex;justify-content:center;gap:10px;margin-top:48px;}
.pagination a,.pagination span{padding:10px 16px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;}
.pagination .current{background:var(--color-ink);color:#fff;border-color:var(--color-ink);}

@media (max-width:768px){
  .post-card--featured{grid-template-columns:1fr;}
  .post-card--featured .post-card__thumb{aspect-ratio:16/9;min-height:0;}
  .post-card--featured .post-card__body{padding:28px;}
  .post-card--featured h3{font-size:24px;}
}

/* ==========================================================================
   16. Generic content page
   ========================================================================== */
.page-content-wrap{max-width:820px;margin:0 auto;}
.page-content-wrap h2{margin-top:1.4em;font-size:24px;}
.page-content-wrap p,.page-content-wrap li{color:var(--color-ink);}
.page-hero{padding:72px 0 48px;text-align:center;background:var(--color-bg-alt);}
.page-hero h1{margin-bottom:12px;}
.page-hero p{max-width:620px;margin:0 auto;}

/* ==========================================================================
   17. Responsive
   ========================================================================== */
@media (max-width:960px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .service-block{grid-template-columns:1fr;}
  .service-block__visual{order:-1;}
}
@media (max-width:640px){
  .section{padding:56px 0;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 24px;flex-direction:column;align-items:flex-start;text-align:left;}
  .hero__block{padding:32px 20px;}
}