/* ===================================================================
   Ad Agent, LLC — design tokens
   Concept: the working file of an advertising agent — case folders,
   brass paperclips, a red approval stamp, arched agency-seal marks.
=================================================================== */

:root{
  --ink:        #14213D;
  --ink-soft:   #3B4A6B;
  --paper:      #EFE9DC;
  --paper-dark: #E3DCC8;
  --paper-line: #D8CFB6;
  --brass:      #C9973A;
  --brass-dim:  #A97F30;
  --stamp:      #A6362B;
  --cream-text: #F5F1E5;

  --display: 'Fraunces', serif;
  --body:    'IBM Plex Sans', sans-serif;
  --mono:    'IBM Plex Mono', monospace;

  --maxw: 1120px;
  --radius: 3px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img,svg{ max-width:100%; display:block; }

h1,h2,h3,h4{
  font-family:var(--display);
  color:var(--ink);
  margin:0 0 0.5em;
  line-height:1.08;
  font-weight:600;
}

h1{ font-size:clamp(2.4rem, 5vw, 4.1rem); font-weight:500; }
h2{ font-size:clamp(1.7rem, 3vw, 2.5rem); }
h3{ font-size:1.25rem; }

p{ margin:0 0 1em; color:var(--ink-soft); }

a{ color:inherit; text-decoration:none; }

.container{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 28px;
}

.eyebrow{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--brass-dim);
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px;
  background:var(--brass-dim);
}

section{ padding:88px 0; }
@media (max-width:640px){ section{ padding:56px 0; } }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--mono);
  font-size:0.82rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
  padding:14px 26px;
  border-radius:var(--radius);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:focus-visible{ outline:2px solid var(--stamp); outline-offset:3px; }
.btn-primary{ background:var(--ink); color:var(--cream-text); }
.btn-primary:hover{ background:var(--stamp); transform:translateY(-1px); }
.btn-ghost{ background:transparent; color:var(--ink); border-color:var(--ink); }
.btn-ghost:hover{ background:var(--ink); color:var(--cream-text); }
.btn-brass{ background:var(--brass); color:var(--ink); }
.btn-brass:hover{ background:var(--ink); color:var(--cream-text); }

/* ---------- stamp / seal signature element ---------- */
.stamp{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:118px; height:118px;
  border:2.5px solid var(--stamp);
  border-radius:50%;
  color:var(--stamp);
  font-family:var(--mono);
  font-size:0.68rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  text-align:center;
  transform:rotate(-9deg);
  flex:0 0 auto;
  mix-blend-mode:multiply;
}
.stamp::before{
  content:"";
  position:absolute;
  inset:6px;
  border:1px solid var(--stamp);
  border-radius:50%;
  opacity:0.7;
}

/* ===================================================================
   NAVIGATION — folder-tab bar
=================================================================== */
.tabbar-wrap{
  position:sticky; top:0; z-index:50;
  background:var(--paper);
  border-bottom:1px solid var(--paper-line);
}
.tabbar{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 28px;
  display:flex;
  align-items:flex-end;
  gap:6px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 8px 14px 0;
  margin-right:auto;
}
.brand img{ width:40px; height:40px; }
.brand-word{
  font-family:var(--mono);
  font-size:0.85rem;
  letter-spacing:0.08em;
  line-height:1.15;
}
.brand-word b{ display:block; font-size:0.95rem; color:var(--ink); }
.brand-word span{ color:var(--brass-dim); }
.brand .brand-word{ display:flex; align-items:center; }
.brand .brand-word b{ font-size:1rem; }

.tabs{
  display:flex;
  align-items:flex-end;
  gap:4px;
  list-style:none;
  margin:0; padding:0;
}
.tabs li a{
  position:relative;
  display:inline-block;
  padding:12px 18px 11px;
  font-family:var(--mono);
  font-size:0.78rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--ink-soft);
  background:var(--paper-dark);
  border:1px solid var(--paper-line);
  border-bottom:none;
  border-radius:6px 6px 0 0;
  top:5px;
  transition:top .16s ease, color .16s ease, background .16s ease;
}
.tabs li a:hover{ top:1px; color:var(--ink); }
.tabs li a.active{
  top:0;
  color:var(--ink);
  background:var(--paper);
  border-color:var(--paper-line);
  font-weight:600;
}
.tabs li a.active::after{
  content:"";
  position:absolute; left:14px; top:-6px;
  width:9px; height:9px;
  background:var(--brass);
  border-radius:50%;
  box-shadow:0 1px 2px rgba(0,0,0,.25);
}

.menu-toggle{
  display:none;
  background:none; border:1px solid var(--ink);
  padding:10px 12px;
  font-family:var(--mono);
  font-size:0.75rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  cursor:pointer;
  color:var(--ink);
  margin:14px 0;
}

@media (max-width:860px){
  .tabbar{ flex-wrap:wrap; }
  .menu-toggle{ display:inline-block; margin-left:auto; }
  .tabs{
    display:none;
    flex-direction:column;
    width:100%;
    gap:0;
    padding-bottom:10px;
  }
  .tabs.open{ display:flex; }
  .tabs li a{
    border-radius:4px;
    top:0;
    width:100%;
    border-bottom:1px solid var(--paper-line);
  }
  .tabs li a.active::after{ display:none; }
}

/* ===================================================================
   HERO
=================================================================== */
.hero{
  padding:96px 0 72px;
  border-bottom:1px solid var(--paper-line);
}

.hero-photo{
  position:relative;
  padding-top:120px;
  padding-bottom:96px;
  color:var(--cream-text);
  background-image:
    linear-gradient(180deg, rgba(20,33,61,0.94) 0%, rgba(20,33,61,0.90) 55%, rgba(20,33,61,0.97) 100%),
    linear-gradient(0deg, rgba(20,33,61,0.55), rgba(20,33,61,0.55)),
    url('https://images.unsplash.com/photo-1648554091527-890fcf687aab?fm=jpg&q=80&w=2400&auto=format&fit=crop');
  background-size:cover;
  background-position:center;
  background-blend-mode:normal, color, normal;
}
.hero-photo::after{
  content:"";
  position:absolute; inset:0;
  background-image:radial-gradient(circle at 1px 1px, rgba(239,233,220,0.06) 1px, transparent 0);
  background-size:3px 3px;
  pointer-events:none;
}
.hero-photo .eyebrow{ color:var(--brass); }
.hero-photo .eyebrow::before{ background:var(--brass); }
.hero-photo h1{ color:var(--cream-text); }
.hero-photo .hero-lede{ color:#D7DCE8; }
.hero-photo .btn-ghost{ border-color:var(--cream-text); color:var(--cream-text); }
.hero-photo .btn-ghost:hover{ background:var(--cream-text); color:var(--ink); }
.hero-photo .ticket-row{ border-top-color:rgba(239,233,220,0.35); position:relative; z-index:1; }
.hero-photo .ticket{ border-right-color:rgba(239,233,220,0.18); }
.hero-photo .ticket .val{ color:var(--cream-text); }
.hero-photo .stamp{
  mix-blend-mode:normal;
  background:rgba(20,33,61,0.35);
  border-color:var(--stamp);
  color:var(--cream-text);
  position:relative;
  z-index:1;
}
.hero-photo .stamp::before{ border-color:rgba(245,241,229,0.45); }
.hero-grid{
  display:grid;
  grid-template-columns:1.5fr 0.7fr;
  gap:48px;
  align-items:end;
}
.hero-lede{ font-size:1.15rem; max-width:46ch; }
.hero-side{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:18px;
  text-align:right;
}
@media (max-width:800px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-side{ align-items:flex-start; text-align:left; flex-direction:row-reverse; justify-content:flex-end;}
}

.hero-actions{ display:flex; gap:14px; margin-top:28px; flex-wrap:wrap; }

/* case-file ticket row under hero */
.ticket-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--ink);
  margin-top:56px;
}
.ticket{
  padding:20px 18px;
  border-right:1px solid var(--paper-line);
}
.ticket:last-child{ border-right:none; }
.ticket .num{ font-family:var(--mono); color:var(--brass-dim); font-size:0.75rem; letter-spacing:.1em;}
.ticket .val{ font-family:var(--display); font-size:1.6rem; margin-top:6px;}
@media (max-width:700px){
  .ticket-row{ grid-template-columns:1fr 1fr; }
  .ticket{ border-bottom:1px solid var(--paper-line); }
}

/* ===================================================================
   CARDS — case-file styled
=================================================================== */
.file-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2px;
  background:var(--ink);
  border:1px solid var(--ink);
}
@media (max-width:900px){ .file-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:600px){ .file-grid{ grid-template-columns:1fr; } }

.file-card{
  background:var(--paper);
  padding:34px 28px;
  position:relative;
}
.file-card .tag{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.12em;
  color:var(--brass-dim);
  display:block;
  margin-bottom:14px;
}
.file-card h3{ margin-bottom:10px; }
.file-card p{ font-size:0.95rem; margin-bottom:0; }
.file-card::before{
  content:"";
  position:absolute;
  top:0; left:28px;
  width:34px; height:10px;
  background:var(--brass);
  clip-path:polygon(0 0,100% 0,88% 100%,12% 100%);
}

/* ---------- section headers ---------- */
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:24px;
  margin-bottom:44px;
  flex-wrap:wrap;
}
.section-head p{ max-width:42ch; margin:0; }

/* ---------- two column with divider ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
}
@media (max-width:800px){ .split{ grid-template-columns:1fr; gap:32px; } }

/* ---------- CTA block ---------- */
.cta-block{
  background:var(--ink);
  color:var(--cream-text);
  padding:64px 0;
}
.cta-block h2{ color:var(--cream-text); }
.cta-block p{ color:#C7CEE0; }
.cta-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:32px;
  flex-wrap:wrap;
}

/* ---------- testimonial ---------- */
.testimonial{
  border-left:3px solid var(--brass);
  padding-left:24px;
  margin-bottom:28px;
}
.testimonial p{ font-family:var(--display); font-size:1.2rem; color:var(--ink); font-style:italic; }
.testimonial cite{ font-family:var(--mono); font-size:0.78rem; letter-spacing:0.06em; color:var(--brass-dim); font-style:normal; }

/* ---------- FAQ accordion ---------- */
.faq-item{
  border-bottom:1px solid var(--paper-line);
}
.faq-q{
  width:100%;
  text-align:left;
  background:none;
  border:none;
  padding:22px 4px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  cursor:pointer;
  font-family:var(--display);
  font-size:1.05rem;
  color:var(--ink);
}
.faq-q .mark{
  font-family:var(--mono);
  color:var(--brass);
  font-size:1.3rem;
  transition:transform .2s ease;
  flex:0 0 auto;
}
.faq-item.open .faq-q .mark{ transform:rotate(45deg); }
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s ease;
}
.faq-a-inner{ padding:0 4px 22px; max-width:66ch; }
.faq-item.open .faq-a{ max-height:400px; }

/* ---------- contact ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:56px;
}
@media (max-width:800px){ .contact-grid{ grid-template-columns:1fr; } }

.field{ margin-bottom:20px; }
.field label{
  display:block;
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--brass-dim);
  margin-bottom:8px;
}
.field input, .field textarea, .field select{
  width:100%;
  background:var(--paper);
  border:1px solid var(--ink);
  border-radius:2px;
  padding:12px 14px;
  font-family:var(--body);
  font-size:0.95rem;
  color:var(--ink);
}
.field textarea{ resize:vertical; min-height:120px; }
.field input:focus, .field textarea:focus, .field select:focus{
  outline:2px solid var(--stamp);
  outline-offset:1px;
}

.info-card{
  background:var(--paper-dark);
  border:1px solid var(--paper-line);
  padding:32px;
}
.info-card .row{ margin-bottom:20px; }
.info-card .row:last-child{ margin-bottom:0; }
.info-card .lbl{ font-family:var(--mono); font-size:0.72rem; letter-spacing:.1em; color:var(--brass-dim); text-transform:uppercase; }
.info-card .val{ font-size:1.02rem; color:var(--ink); }

/* ---------- footer ---------- */
footer{
  border-top:1px solid var(--paper-line);
  padding:48px 0 32px;
  margin-top:40px;
}
.footer-grid{
  display:flex;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  align-items:flex-start;
}
.foot-brand{ display:flex; gap:12px; align-items:center; }
.foot-brand img{ width:32px; height:32px; }
.foot-links{ display:flex; gap:28px; flex-wrap:wrap; font-family:var(--mono); font-size:0.8rem; letter-spacing:.05em; }
.foot-fine{
  margin-top:32px;
  padding-top:20px;
  border-top:1px solid var(--paper-line);
  font-family:var(--mono);
  font-size:0.72rem;
  color:var(--ink-soft);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:8px;
}
.foot-fine a{
  color:var(--ink-soft);
  text-decoration:underline;
  text-underline-offset:2px;
}
.foot-fine a:hover{ color:var(--stamp); }

/* ---------- legal pages ---------- */
.legal-doc{
  max-width:720px;
}
.legal-doc h2{
  font-family:var(--display);
  font-size:1.35rem;
  font-weight:500;
  margin:2.4em 0 0.6em;
  letter-spacing:-0.01em;
}
.legal-doc h2:first-child{ margin-top:0; }
.legal-doc p,
.legal-doc li{
  font-size:0.95rem;
  line-height:1.65;
  color:var(--ink-soft);
  margin:0 0 1em;
}
.legal-doc ul{
  margin:0 0 1.2em;
  padding-left:1.25em;
}
.legal-doc li{ margin-bottom:0.55em; }
.legal-doc a{
  color:var(--stamp);
  text-decoration:underline;
  text-underline-offset:2px;
}

/* ===================================================================
   ANIMATION — orchestrated hero load + scroll reveals + micro-interactions
=================================================================== */

@keyframes riseIn{
  from{ opacity:0; transform:translateY(22px); }
  to{ opacity:1; transform:translateY(0); }
}
@keyframes stampDown{
  0%{ opacity:0; transform:rotate(-26deg) scale(1.6); }
  60%{ opacity:1; transform:rotate(-6deg) scale(0.94); }
  80%{ transform:rotate(-11deg) scale(1.03); }
  100%{ opacity:1; transform:rotate(-9deg) scale(1); }
}
@keyframes drawTicket{
  from{ opacity:0; transform:translateY(14px); }
  to{ opacity:1; transform:translateY(0); }
}
@keyframes underlineGrow{
  from{ width:0; }
  to{ width:22px; }
}

/* hero load sequence */
.hero-anim{ opacity:0; animation:riseIn .7s cubic-bezier(.22,.61,.36,1) forwards; }
.hero .eyebrow.hero-anim{ animation-delay:.05s; }
.hero h1.hero-anim{ animation-delay:.16s; }
.hero .hero-lede.hero-anim{ animation-delay:.30s; }
.hero .hero-actions.hero-anim{ animation-delay:.42s; }

.hero-side .stamp{
  opacity:0;
  animation:stampDown .8s cubic-bezier(.2,.7,.3,1.2) forwards;
  animation-delay:.5s;
}

.ticket-row .ticket{ opacity:0; animation:drawTicket .55s ease forwards; }
.ticket-row .ticket:nth-child(1){ animation-delay:.60s; }
.ticket-row .ticket:nth-child(2){ animation-delay:.70s; }
.ticket-row .ticket:nth-child(3){ animation-delay:.80s; }
.ticket-row .ticket:nth-child(4){ animation-delay:.90s; }

/* eyebrow underline draws in once its section is revealed */
.eyebrow::before{ animation:underlineGrow .5s ease forwards; animation-play-state:paused; width:0; }
.reveal.in-view .eyebrow::before{ animation-play-state:running; }

/* scroll reveal, staggered by data attribute */
.reveal{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .65s cubic-bezier(.22,.61,.36,1), transform .65s cubic-bezier(.22,.61,.36,1);
  transition-delay:var(--reveal-delay, 0s);
}
.reveal.in-view{ opacity:1; transform:translateY(0); }

/* file-card hover lift + brass tab sweep */
.file-card{ transition:transform .25s ease, box-shadow .25s ease; }
.file-card:hover{
  transform:translateY(-6px);
  box-shadow:0 14px 26px -14px rgba(20,33,61,0.35);
  z-index:1;
}
.file-card::before{ transition:width .3s ease; }
.file-card:hover::before{ width:52px; }

/* testimonial quote mark grows in on hover */
.testimonial{ transition:border-color .25s ease; }
.testimonial:hover{ border-left-color:var(--stamp); }

/* CTA button subtle glow ring on hover, restrained */
.btn-brass, .btn-primary{ position:relative; overflow:hidden; }
.btn-brass::after, .btn-primary::after{
  content:"";
  position:absolute; inset:0;
  background:radial-gradient(circle, rgba(255,255,255,.35), transparent 60%);
  opacity:0;
  transform:scale(0.4);
  transition:opacity .4s ease, transform .5s ease;
}
.btn-brass:hover::after, .btn-primary:hover::after{ opacity:1; transform:scale(1.4); }

@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; }
  .hero-anim, .hero-side .stamp, .ticket-row .ticket, .reveal{ opacity:1 !important; transform:none !important; }
}