/* ===================================================================
   Bookmech — tokens
=================================================================== */
:root{
  --ink:#0B0D10;
  --surface:#14171C;
  --surface-2:#1C2027;
  --line: rgba(245,243,238,0.10);
  --text:#F5F3EE;
  --text-muted:#A2A8B0;
  --gold:#C9A24B;
  --gold-soft:#E4C87A;
  --teal:#33D6AC;
  --whatsapp:#25D366;
  --radius-s:6px;
  --radius-m:14px;
  --radius-l:28px;
  --shadow-1: 0 20px 50px -20px rgba(0,0,0,0.55);
  --maxw:1240px;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}

body{
  margin:0;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(201,162,75,.10), transparent 60%),
    radial-gradient(700px 500px at -10% 20%, rgba(51,214,172,.06), transparent 55%),
    var(--ink);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.12;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}

p{ margin:0 0 1em; color:var(--text-muted); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul,ol{ margin:0; padding:0; list-style:none; }
button{ font:inherit; background:none; border:none; cursor:pointer; color:inherit; }

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--gold); color:var(--ink);
  padding:.6em 1em; z-index:999; border-radius:0 0 8px 0;
}
.skip-link:focus{ left:0; }

:focus-visible{ outline:2px solid var(--gold-soft); outline-offset:3px; }

.eyebrow{
  color:var(--gold);
  font-family:var(--font-body);
  font-weight:600;
  font-size:.8rem;
  letter-spacing:.04em;
  margin:0 0 .8em;
}
.eyebrow.center, h2.center, .section-lede.center{ text-align:center; }
.section-lede{ max-width:560px; color:var(--text-muted); }
.section-lede.center{ margin-inline:auto; }

/* ===================================================================
   Buttons
=================================================================== */
.btn{
  display:inline-flex; align-items:center; gap:.6em;
  padding:0.95em 1.5em;
  border-radius:999px;
  font-weight:700;
  font-size:.95rem;
  white-space:nowrap;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  min-height:48px;
}
.btn svg{ width:20px; height:20px; flex:none; }
.btn:hover{ transform:translateY(-2px); }
.btn:active{ transform:translateY(0); }

.btn-call{
  background:linear-gradient(180deg,var(--gold-soft),var(--gold));
  color:#20160A;
  box-shadow:0 12px 26px -10px rgba(201,162,75,.55);
}
.btn-whatsapp{
  background:var(--whatsapp);
  color:#052E17;
  box-shadow:0 12px 26px -10px rgba(37,211,102,.45);
}
.btn-small{ padding:.6em 1.1em; font-size:.85rem; }

/* ===================================================================
   Header
=================================================================== */
.site-header{
  position:sticky; top:0; z-index:60;
  background:rgba(11,13,16,.7);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--maxw); margin:0 auto; padding:.9rem 1.5rem;
  display:flex; align-items:center; justify-content:space-between; gap:1.5rem;
}
.brand{ display:flex; align-items:center; gap:.55em; }
.brand-mark{
  width:34px; height:34px; border-radius:9px;
  background:linear-gradient(160deg,var(--gold-soft),var(--gold));
  color:#20160A; display:grid; place-items:center;
}
.brand-mark svg{ width:18px; height:18px; }
.brand-name{ font-family:var(--font-display); font-weight:600; font-size:1.25rem; letter-spacing:-.01em; }

.main-nav{ display:flex; gap:2rem; }
.main-nav a{ color:var(--text-muted); font-size:.92rem; font-weight:500; transition:color .15s ease; }
.main-nav a:hover{ color:var(--text); }

.header-actions{ display:flex; align-items:center; gap:1rem; }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:44px; height:44px; border-radius:10px;
}
.nav-toggle span{ width:20px; height:2px; background:var(--text); margin:0 auto; transition:transform .2s ease, opacity .2s ease; }
.nav-toggle.is-open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2){ opacity:0; }
.nav-toggle.is-open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ===================================================================
   Hero
=================================================================== */
.hero{
  position:relative;
  min-height:92vh;
  display:grid;
  grid-template-columns: 1.05fr 1fr;
  align-items:stretch;
  overflow:hidden;
  background:var(--ink);
  border-bottom:1px solid var(--line);
}
.hero-media{ position:relative; background:var(--surface); }
.hero-media img{ width:100%; height:100%; object-fit:cover; min-height:460px; }
.hero-media-fade{
  position:absolute; inset:0;
  background:linear-gradient(90deg, var(--ink) 0%, rgba(11,13,16,.55) 22%, rgba(11,13,16,0) 52%);
}
@media (min-width: 861px){
  .hero-media-fade{ background:linear-gradient(90deg, var(--ink) 0%, rgba(11,13,16,.4) 16%, rgba(11,13,16,0) 42%); }
}

.hero-float-card{
  position:absolute; left:2rem; bottom:2rem; z-index:3;
  background:rgba(20,23,28,.72);
  backdrop-filter:blur(10px);
  border:1px solid rgba(245,243,238,.14);
  border-radius:var(--radius-m);
  padding:1rem 1.3rem;
  display:flex; align-items:center; gap:.9rem;
  box-shadow:var(--shadow-1);
  max-width:280px;
}
.hero-float-stars{ color:var(--gold-soft); font-size:1rem; letter-spacing:1px; flex:none; }
.hero-float-card p{ margin:0; font-size:.82rem; color:var(--text-muted); }
.hero-float-card strong{ color:var(--text); }

.hero-badge{
  display:inline-flex; align-items:center; gap:.5em;
  padding:.5em 1em;
  border:1px solid rgba(201,162,75,.4);
  background:rgba(201,162,75,.09);
  color:var(--gold-soft);
  border-radius:999px;
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.02em;
  margin-bottom:1.4em;
  width:fit-content;
}
.hero-badge svg{ width:14px; height:14px; }

.hero-content{
  position:relative;
  z-index:2;
  padding: clamp(2.5rem, 6vw, 6rem) clamp(1.5rem, 5vw, 4.5rem);
  display:flex; flex-direction:column; justify-content:center;
  max-width:660px;
}
.hero h1{
  font-size:clamp(2.4rem, 4.8vw, 4rem);
  color:var(--text);
}
.hero h1 .accent{
  background:linear-gradient(100deg,var(--gold-soft),var(--gold));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-copy{ font-size:1.08rem; max-width:46ch; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:1rem; margin:1.4rem 0 2rem; }

.hero-flags{ display:flex; flex-wrap:wrap; gap:1.6rem 2.2rem; padding-top:1.6rem; border-top:1px solid var(--line); }
.hero-flags li{ font-size:.82rem; color:var(--text-muted); }
.hero-flags strong{ display:block; color:var(--text); font-family:var(--font-display); font-size:1.25rem; font-weight:600; }

/* Floating WhatsApp button */
.whatsapp-fab{
  position:fixed; right:1.1rem; bottom:1.1rem; z-index:70;
  width:60px; height:60px; border-radius:50%;
  background:var(--whatsapp); color:#fff;
  display:grid; place-items:center;
  box-shadow:0 14px 30px -8px rgba(37,211,102,.6);
  transition:transform .18s ease;
}
.whatsapp-fab svg{ width:30px; height:30px; }
.whatsapp-fab:hover{ transform:scale(1.07); }

/* ===================================================================
   Stat strip
=================================================================== */
.stat-strip{
  max-width:calc(var(--maxw) - 1rem);
  margin:-40px auto 0;
  position:relative; z-index:5;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);
  display:grid;
  grid-template-columns:repeat(5,1fr);
}
.stat{
  padding:1.4rem 1rem;
  text-align:center;
  border-right:1px solid var(--line);
}
.stat:last-child{ border-right:none; }
.stat-num{ display:block; font-family:var(--font-display); font-size:1.6rem; font-weight:600; color:var(--gold-soft); }
.stat-label{ display:block; font-size:.78rem; color:var(--text-muted); margin-top:.3em; }

/* ===================================================================
   Section shell
=================================================================== */
section{ padding:clamp(4rem,8vw,7rem) 1.5rem; }
.section-grid, .services, .how, .testimonials, .faq, .brands-inner, .cta-inner{ max-width:var(--maxw); margin:0 auto; }
h2{ font-size:clamp(1.7rem, 3vw, 2.4rem); color:var(--text); }

/* About */
.section-grid{ display:grid; grid-template-columns:1fr 1.15fr; gap:clamp(2.5rem,5vw,5.5rem); align-items:center; }
.about-media{ position:relative; padding:0 2.2rem 2.2rem 0; }
.about-img-main{ border-radius:var(--radius-l); box-shadow:var(--shadow-1); width:100%; aspect-ratio:4/4.6; object-fit:cover; }
.about-img-accent{
  position:absolute; right:0; bottom:0; z-index:2;
  width:46%; aspect-ratio:1/1; object-fit:cover;
  border-radius:var(--radius-m);
  border:5px solid var(--ink);
  box-shadow:var(--shadow-1);
}
.about-badge{
  position:absolute; left:-1rem; top:1.6rem; z-index:2;
  background:linear-gradient(160deg,var(--gold-soft),var(--gold));
  color:#20160A;
  border-radius:var(--radius-m);
  padding:1rem 1.2rem;
  display:flex; align-items:center; gap:.7rem;
  box-shadow:0 16px 30px -12px rgba(201,162,75,.55);
  font-size:.78rem; font-weight:600; line-height:1.25;
}
.about-badge-num{ font-family:var(--font-display); font-size:1.7rem; font-weight:600; }
.about-points{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem; margin-top:2.2rem; padding-top:2rem; border-top:1px solid var(--line); }
.about-points h3{ font-size:1.02rem; color:var(--gold-soft); margin-bottom:.3em; }
.about-points p{ font-size:.9rem; margin:0; }

/* Brands */
.brands{ background:var(--surface); }
.brand-list{
  display:grid; grid-template-columns:repeat(6,1fr); gap:1px;
  margin:2.5rem 0 1.5rem;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
}
.brand-list li{
  background:var(--surface);
  padding:1.5rem 1rem;
  display:flex; align-items:center; justify-content:center; gap:.55em;
  font-family:var(--font-display);
  font-size:1rem;
  color:var(--text-muted);
  transition:color .18s ease, background .18s ease;
}
.brand-list li:hover{ color:var(--text); background:var(--surface-2); }
.brand-dot{ width:7px; height:7px; border-radius:50%; background:var(--gold); flex:none; }
.brands-note{ text-align:center; font-size:.85rem; margin:0; }

/* Services */
.service-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem;
  margin-top:2.5rem;
}
.service-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:2rem 1.8rem;
  transition:border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.service-card::before{
  content:''; position:absolute; inset:0 0 auto 0; height:3px;
  border-radius:var(--radius-m) var(--radius-m) 0 0;
  background:linear-gradient(90deg,var(--gold-soft),var(--teal));
  opacity:0; transition:opacity .18s ease;
}
.service-card:hover{ border-color:rgba(201,162,75,.4); transform:translateY(-4px); box-shadow:var(--shadow-1); }
.service-card:hover::before{ opacity:1; }
.service-icon{
  width:46px; height:46px; border-radius:12px;
  background:rgba(201,162,75,.12); color:var(--gold-soft);
  display:grid; place-items:center; margin-bottom:1.1rem;
}
.service-icon svg{ width:24px; height:24px; }
.service-card h3{ font-size:1.15rem; margin-bottom:.4em; }
.service-card p{ font-size:.92rem; margin:0; }

/* How it works */
.how-steps{
  display:grid; grid-template-columns:repeat(3,1fr); gap:2.5rem;
  margin-top:3rem; counter-reset:step;
  position:relative;
}
.how-steps::before{
  content:''; position:absolute; top:21px; left:8%; right:8%; height:1px;
  background:linear-gradient(90deg, transparent, var(--line) 15%, var(--line) 85%, transparent);
}
.how-steps li{ position:relative; }
.how-num{
  position:relative; z-index:1;
  display:inline-grid; place-items:center;
  width:42px; height:42px; border-radius:50%;
  background:var(--ink);
  border:1px solid var(--gold); color:var(--gold-soft);
  font-family:var(--font-display); font-weight:600;
  margin-bottom:1.2rem;
}
.how-steps h3{ font-size:1.1rem; margin-bottom:.4em; }
.how-steps p{ font-size:.92rem; }

/* Testimonials */
.testimonial-slider{ margin-top:2.5rem; overflow:hidden; }
.testimonial-track{ display:flex; transition:transform .5s ease; }
.testimonial-card{
  flex:0 0 100%;
  max-width:680px;
  margin:0 auto;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:2.2rem;
  text-align:center;
}
.testimonial-stars{ color:var(--gold-soft); letter-spacing:2px; margin-bottom:1rem; font-size:.95rem; }
.testimonial-card p{
  font-family:var(--font-display); font-size:1.3rem; color:var(--text);
  font-weight:500; margin-bottom:1.3rem;
}
.testimonial-card footer{
  color:var(--text-muted); font-size:.88rem;
  display:flex; align-items:center; justify-content:center; gap:.7em;
}
.avatar{
  width:34px; height:34px; border-radius:50%; flex:none;
  background:rgba(201,162,75,.15); color:var(--gold-soft);
  display:grid; place-items:center;
  font-family:var(--font-display); font-weight:600; font-size:.82rem;
}
.testimonial-dots{ display:flex; justify-content:center; gap:.5rem; margin-top:1.6rem; }
.testimonial-dots button{
  width:9px; height:9px; border-radius:50%; background:var(--line);
}
.testimonial-dots button.is-active{ background:var(--gold); }

/* FAQ */
.faq-list{ max-width:760px; margin:2.5rem auto 0; display:flex; flex-direction:column; gap:.8rem; }
.faq-item{ border:1px solid var(--line); border-radius:var(--radius-m); background:var(--surface); overflow:hidden; }
.faq-question{
  width:100%; display:flex; align-items:center; justify-content:space-between;
  padding:1.2rem 1.4rem; text-align:left; font-weight:600; font-size:.98rem;
}
.faq-icon{ position:relative; width:16px; height:16px; flex:none; }
.faq-icon::before,.faq-icon::after{
  content:''; position:absolute; background:var(--gold-soft); border-radius:2px;
  transition:transform .25s ease;
}
.faq-icon::before{ width:16px; height:2px; top:7px; left:0; }
.faq-icon::after{ width:2px; height:16px; top:0; left:7px; }
.faq-question[aria-expanded="true"] .faq-icon{ transform:rotate(45deg); }
.faq-question .faq-icon{ transition:transform .25s ease; }
.faq-question:hover{ background:rgba(201,162,75,.05); }
.faq-answer{
  max-height:0; overflow:hidden; transition:max-height .28s ease;
  padding:0 1.4rem;
}
.faq-answer p{ font-size:.92rem; padding-bottom:1.2rem; margin:0; }

/* CTA */
.cta{
  position:relative;
  background:
    linear-gradient(135deg, rgba(11,13,16,.92), rgba(11,13,16,.88)),
    url('https://images.unsplash.com/photo-1621361365424-06f0e1eb0f77?q=80&w=1600&auto=format&fit=crop') center/cover;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-inner{ text-align:center; }
.cta h2{ margin-bottom:.4em; }
.cta p{ max-width:46ch; margin:0 auto 1.6rem; }
.cta-actions{ display:flex; justify-content:center; flex-wrap:wrap; gap:1rem; }

/* ===================================================================
   Footer
=================================================================== */
.site-footer{ background:var(--ink); border-top:1px solid var(--line); padding:3.5rem 1.5rem 1.5rem; }
.footer-inner{
  max-width:var(--maxw); margin:0 auto;
  display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:2.5rem;
}
.footer-brand p{ font-size:.88rem; max-width:34ch; margin-top:.9rem; }
.footer-col h4{ font-family:var(--font-body); font-size:.78rem; letter-spacing:.04em; color:var(--gold); margin:0 0 1em; }
.footer-col{ display:flex; flex-direction:column; gap:.7rem; font-size:.9rem; color:var(--text-muted); }
.footer-col a:hover{ color:var(--text); }
.footer-bottom{
  max-width:var(--maxw); margin:2.8rem auto 0; padding-top:1.4rem;
  border-top:1px solid var(--line);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:.6rem;
  font-size:.78rem; color:var(--text-muted);
}

/* ===================================================================
   Responsive
=================================================================== */
@media (max-width: 1000px){
  .service-grid{ grid-template-columns:repeat(2,1fr); }
  .brand-list{ grid-template-columns:repeat(4,1fr); }
  .about-points{ grid-template-columns:1fr; }
}

@media (max-width: 860px){
  .main-nav{
    position:fixed; inset:64px 0 0 0; background:var(--ink);
    flex-direction:column; padding:2rem 1.5rem; gap:1.6rem;
    transform:translateY(-8px); opacity:0; pointer-events:none;
    transition:opacity .2s ease, transform .2s ease;
  }
  .main-nav.is-open{ opacity:1; transform:translateY(0); pointer-events:auto; }
  .main-nav a{ font-size:1.1rem; }
  .nav-toggle{ display:flex; }
  .header-actions .btn-call span{ display:none; }
  .header-actions .btn-call{ padding:.7em; border-radius:50%; }
  .header-actions .btn-call svg{ margin:0; }

  .hero{ grid-template-columns:1fr; min-height:auto; }
  .hero-media{ order:1; height:52vh; }
  .hero-media img{ min-height:0; height:100%; }
  .hero-content{ order:2; max-width:none; padding:2.4rem 1.5rem 3rem; }
  .hero-media-fade{ background:linear-gradient(180deg, rgba(11,13,16,0) 45%, var(--ink) 96%); }
  .hero-float-card{ left:1rem; right:1rem; bottom:1rem; max-width:none; }

  .about-media{ padding:0 1.6rem 1.6rem 0; }
  .about-badge{ left:0; top:-1rem; }

  .stat-strip{ grid-template-columns:repeat(2,1fr); margin-top:0; border-radius:0; }
  .stat{ border-bottom:1px solid var(--line); }
  .stat:nth-child(2n){ border-right:none; }

  .section-grid{ grid-template-columns:1fr; }
  .about-media{ order:-1; }
  .service-grid{ grid-template-columns:1fr; }
  .brand-list{ grid-template-columns:repeat(2,1fr); }
  .how-steps{ grid-template-columns:1fr; gap:2rem; }
  .footer-inner{ grid-template-columns:1fr; gap:2rem; }
}

@media (max-width: 480px){
  .hero-actions .btn span{ font-size:.92rem; }
  .whatsapp-fab{ width:54px; height:54px; }
  .whatsapp-fab svg{ width:26px; height:26px; }
}