/* ============================================================
   AI Real Estate Assistant — portfolio site
   Palette: warm limestone, ink-green, brass fixture
   ============================================================ */

:root{
  --plaster:#E9E3D9;
  --chalk:#F8F5F0;
  --ink:#101F1B;
  --ink-2:#18302A;
  --slate:#5E6B65;
  --brass:#A8761F;
  --brass-lt:#D3A24E;
  --signal:#2E7D63;
  --line:rgba(16,31,27,.14);
  --line-lt:rgba(233,227,217,.16);

  --display:"Archivo",system-ui,sans-serif;
  --body:"IBM Plex Sans",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;

  --pad:clamp(1.25rem,5vw,5rem);
  --gap:clamp(2rem,4vw,3.5rem);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--plaster);
  color:var(--ink);
  font:400 1rem/1.6 var(--body);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  -webkit-text-size-adjust:100%;
}
img,iframe{display:block;max-width:100%}
a{color:inherit}

:focus-visible{outline:2px solid var(--brass);outline-offset:3px;border-radius:2px}

.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--plaster);padding:.75rem 1rem;z-index:99}
.skip:focus{left:0}

/* ── display type ───────────────────────────────────────────── */
h1,h2,h3{
  font-family:var(--display);
  font-variation-settings:"wdth" 108;
  letter-spacing:-.022em;
  margin:0;
  text-wrap:balance;
}
h1{
  font-size:clamp(2.4rem,5.4vw,4.25rem);
  font-weight:700;
  line-height:1.02;
}
h2{
  font-size:clamp(1.85rem,3.4vw,2.9rem);
  font-weight:600;
  line-height:1.06;
}
h3{font-size:1.075rem;font-weight:600;font-variation-settings:"wdth" 100;letter-spacing:-.01em}

.eyebrow{
  font:500 .7rem/1 var(--mono);
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brass);
  margin:0 0 1.1rem;
}
.eyebrow-light{color:var(--brass-lt)}

/* ── top bar ────────────────────────────────────────────────── */
.bar{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;flex-wrap:wrap;gap:.75rem 1.5rem;
  padding:.85rem var(--pad);
  background:rgba(233,227,217,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.mark{display:flex;align-items:center;gap:.65rem;text-decoration:none;margin-right:auto}
.mark-glyph{
  display:grid;place-items:center;
  min-width:2.1rem;height:2rem;flex:none;padding:0 .4rem;
  background:var(--ink);color:var(--plaster);
  font:700 .8rem/1 var(--display);
  font-variation-settings:"wdth" 112;
  letter-spacing:.04em;
}
.mark-text{font-size:.9rem;font-weight:600;line-height:1.15}
.mark-text em{display:block;font:400 .68rem/1.4 var(--mono);font-style:normal;color:var(--slate)}
.nav{display:flex;gap:1.4rem}
.nav a{font:400 .82rem/1 var(--mono);color:var(--slate);text-decoration:none;padding:.4rem 0}
.nav a:hover{color:var(--ink)}
@media(max-width:820px){
  /* nav drops to its own row and scrolls sideways instead of disappearing */
  .nav{
    order:3;width:100%;
    gap:1.1rem;
    overflow-x:auto;
    scrollbar-width:none;
    -webkit-overflow-scrolling:touch;
    border-top:1px solid var(--line);
    padding-top:.6rem;margin-top:.1rem;
  }
  .nav::-webkit-scrollbar{display:none}
  .nav a{white-space:nowrap;padding:.35rem 0}
  .mark{margin-right:0}
  .bar .btn-sm{margin-left:auto}
}

/* ── buttons ────────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  padding:.9rem 1.5rem;
  background:var(--ink);color:var(--plaster);
  font:500 .875rem/1 var(--body);
  text-decoration:none;
  border:1px solid var(--ink);
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn:hover{background:var(--ink-2);transform:translateY(-1px)}
.btn-arrow{transition:transform .18s ease}
.btn:hover .btn-arrow{transform:translateX(3px)}
.btn-sm{padding:.6rem 1rem;font-size:.8rem}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:transparent;border-color:var(--ink)}
.btn-ghost-light{color:var(--plaster);border-color:var(--line-lt)}
.btn-ghost-light:hover{border-color:var(--plaster)}
.btn-brass{background:var(--brass);border-color:var(--brass);color:#150F03}
.btn-brass:hover{background:var(--brass-lt);border-color:var(--brass-lt)}

/* ── hero ───────────────────────────────────────────────────── */
.hero{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:var(--gap);
  align-items:center;
  padding:clamp(3rem,7vw,6rem) var(--pad) clamp(2.5rem,5vw,4.5rem);
  max-width:1280px;margin-inline:auto;
}
.lede{font-size:1.075rem;color:var(--slate);max-width:34rem;margin:1.4rem 0 2.2rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem}
@media(max-width:900px){.hero{grid-template-columns:1fr}}

/* ── signature: the conversation ────────────────────────────── */
.phone{
  background:var(--ink);
  border-radius:20px;
  padding:.55rem;
  max-width:25rem;margin-inline:auto;
  box-shadow:0 24px 60px -28px rgba(16,31,27,.55);
}
.phone-top{
  display:flex;align-items:center;gap:.5rem;
  padding:.7rem .85rem .75rem;
  color:var(--plaster);
}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--signal);flex:none;box-shadow:0 0 0 0 rgba(46,125,99,.6);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 7px rgba(46,125,99,0)}100%{box-shadow:0 0 0 0 rgba(46,125,99,0)}}
.phone-name{font-size:.82rem;font-weight:600}
.phone-meta{margin-left:auto;font:400 .64rem/1 var(--mono);color:rgba(233,227,217,.5)}
.phone-body{
  background:var(--chalk);
  border-radius:14px;
  padding:1rem .9rem;
  height:24rem;
  overflow-y:auto;
  display:flex;flex-direction:column;gap:.5rem;
  justify-content:flex-end;
  scrollbar-width:none;
}
.phone-body::-webkit-scrollbar{display:none}
.msg{
  max-width:84%;
  padding:.55rem .75rem;
  border-radius:12px;
  font-size:.83rem;line-height:1.45;
  animation:rise .32s ease both;
}
@keyframes rise{from{opacity:0;transform:translateY(6px)}}
.msg time{display:block;font:400 .6rem/1 var(--mono);opacity:.5;margin-top:.4rem}
.msg-in{align-self:flex-start;background:#E4DED4;border-bottom-left-radius:4px}
.msg-ai{align-self:flex-end;background:var(--ink);color:var(--plaster);border-bottom-right-radius:4px}
.msg-sys{
  align-self:stretch;max-width:100%;
  background:transparent;
  border-top:1px dashed var(--line);
  border-radius:0;padding:.6rem 0 0;
  font:500 .68rem/1.4 var(--mono);
  letter-spacing:.02em;
  color:var(--signal);
}
.typing{display:flex;gap:4px;align-self:flex-end;padding:.7rem .8rem;background:var(--ink);border-radius:12px;border-bottom-right-radius:4px}
.typing i{width:5px;height:5px;border-radius:50%;background:rgba(233,227,217,.65);animation:blink 1.1s infinite}
.typing i:nth-child(2){animation-delay:.18s}
.typing i:nth-child(3){animation-delay:.36s}
@keyframes blink{0%,60%,100%{opacity:.25}30%{opacity:1}}
.phone-foot{display:flex;justify-content:center;padding:.6rem 0 .3rem}
.replay{
  background:none;border:0;cursor:pointer;
  font:400 .68rem/1 var(--mono);letter-spacing:.06em;
  color:rgba(233,227,217,.55);
  padding:.3rem .5rem;
}
.replay:hover{color:var(--plaster)}

/* ── ticker strip ───────────────────────────────────────────── */
.ticker{
  display:flex;flex-wrap:wrap;gap:.6rem 2.2rem;
  padding:1rem var(--pad);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  font:400 .72rem/1 var(--mono);letter-spacing:.06em;
  color:var(--slate);
  text-transform:uppercase;
}

/* ── sections ───────────────────────────────────────────────── */
.section{padding:clamp(3.5rem,8vw,7rem) var(--pad)}
.section-tight{padding-block:clamp(3rem,6vw,5rem)}
.section-dark{background:var(--ink);color:var(--plaster)}
.section-dark h2{color:var(--plaster)}
.wrap{max-width:1180px;margin-inline:auto}
.wrap-narrow{max-width:44rem}
.head{max-width:40rem;margin-bottom:clamp(2rem,4vw,3.25rem)}
.sub{color:var(--slate);margin:1rem 0 0;font-size:1.02rem}
.section-dark .sub{color:rgba(233,227,217,.65)}

/* ── demo screen ────────────────────────────────────────────── */
.screen{margin:0;border:1px solid var(--line-lt);background:#0A1512}
.screen-bar{display:flex;align-items:center;gap:.75rem;padding:.6rem .85rem;border-bottom:1px solid var(--line-lt)}
.dots{display:flex;gap:5px}
.dots i{width:8px;height:8px;border-radius:50%;background:rgba(233,227,217,.22)}
.screen-title{font:400 .7rem/1 var(--mono);color:rgba(233,227,217,.5);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sound{
  margin-left:auto;flex:none;cursor:pointer;
  display:inline-flex;align-items:center;gap:.4rem;
  background:transparent;border:1px solid var(--line-lt);
  color:rgba(233,227,217,.75);
  font:400 .68rem/1 var(--mono);
  padding:.42rem .6rem;border-radius:999px;
}
.sound:hover{color:var(--plaster);border-color:rgba(233,227,217,.4)}
.sound[aria-pressed="true"]{color:var(--brass-lt);border-color:var(--brass-lt)}
.screen-stage{position:relative;aspect-ratio:1280/832;background:#0A1512}
.screen-stage video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#0A1512}
@media(max-width:560px){
  .dots{display:none}
  .sound{margin-left:auto}
}

.watchfor{
  list-style:none;padding:0;margin:1.5rem 0 0;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1rem 2rem;
}
.watchfor li{font-size:.9rem;color:rgba(233,227,217,.72);border-top:1px solid var(--line-lt);padding-top:.85rem}
.watchfor span{display:block;font:500 .65rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--brass-lt);margin-bottom:.5rem}

/* ── track record ───────────────────────────────────────────── */
.proof{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));
  gap:2rem 2.5rem;
}
.stat{border-top:2px solid var(--ink);padding-top:1.1rem}
.stat-n{
  font-family:var(--display);font-variation-settings:"wdth" 115;
  font-size:clamp(2.75rem,5vw,3.9rem);font-weight:700;line-height:.9;
  letter-spacing:-.035em;margin:0;
}
.stat-n sup{font-size:.42em;top:-.9em;position:relative;color:var(--brass);font-weight:600}
.stat-l{margin:.85rem 0 0;font-size:.9rem;color:var(--slate);max-width:22rem}

.trust{
  list-style:none;padding:0;
  margin:clamp(2rem,4vw,3rem) 0 0;
  display:flex;flex-wrap:wrap;gap:.5rem .6rem;
}
.trust li{
  font:400 .74rem/1 var(--mono);
  padding:.55rem .8rem;
  border:1px solid var(--line);
  color:var(--slate);
}

/* ── capability cards ───────────────────────────────────────── */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(17rem,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.card{background:var(--chalk);padding:1.75rem 1.5rem}
.card p{margin:.6rem 0 0;color:var(--slate);font-size:.92rem}

/* ── the wiring rail ────────────────────────────────────────── */
.rail{
  list-style:none;padding:0;margin:0;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));
  gap:1.75rem 2rem;
}
.step{position:relative;padding-top:1.5rem;border-top:1px solid var(--line-lt)}
.step::before{
  content:"";position:absolute;top:-1px;left:0;width:1.75rem;height:1px;background:var(--brass);
}
.step-n{font:500 .7rem/1 var(--mono);color:var(--brass-lt);display:block;margin-bottom:.7rem}
.step h3{color:var(--plaster)}
.step p{margin:.5rem 0 0;font-size:.88rem;color:rgba(233,227,217,.62)}

.stack{display:flex;flex-wrap:wrap;gap:.5rem;margin:clamp(2.5rem,5vw,3.5rem) 0 0}
.stack span{
  font:400 .7rem/1 var(--mono);
  padding:.5rem .7rem;
  border:1px solid var(--line-lt);
  color:rgba(233,227,217,.7);
}

/* ── other work ─────────────────────────────────────────────── */
.work{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:1.25rem}
.wcard{background:var(--chalk);border:1px solid var(--line);padding:1.6rem 1.4rem;display:flex;flex-direction:column}
.wcard p{margin:.6rem 0 0;color:var(--slate);font-size:.92rem}
.wtag{margin-top:auto!important;padding-top:1.2rem;font:400 .68rem/1 var(--mono)!important;letter-spacing:.08em;text-transform:uppercase;color:var(--brass)!important}

/* ── faq ────────────────────────────────────────────────────── */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;list-style:none;
  padding:1.15rem 2rem 1.15rem 0;
  position:relative;
  font-family:var(--display);font-variation-settings:"wdth" 100;
  font-size:1.02rem;font-weight:600;letter-spacing:-.01em;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:.25rem;top:1rem;
  font:400 1.25rem/1 var(--mono);color:var(--brass);
  transition:transform .2s ease;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{margin:0 0 1.3rem;padding-right:2rem;color:var(--slate);font-size:.94rem}

/* ── hire ───────────────────────────────────────────────────── */
.section-hire .hero-actions{margin-top:2rem}
.hire-h{max-width:26ch}
.section-hire .sub{max-width:38rem}

/* ── footer ─────────────────────────────────────────────────── */
.foot{background:var(--ink);color:rgba(233,227,217,.55);padding:0 var(--pad) 2.5rem}
.foot-in{border-top:1px solid var(--line-lt);padding-top:1.5rem;display:flex;flex-wrap:wrap;gap:.5rem 2rem;justify-content:space-between}
.foot p{margin:0;font:400 .78rem/1.5 var(--mono)}
.foot-name{color:var(--plaster)}
.foot-meta a{color:var(--brass-lt);text-decoration:none;border-bottom:1px solid transparent}
.foot-meta a:hover{border-bottom-color:var(--brass-lt)}

/* ── WhatsApp widget ────────────────────────────────────────── */
.wa{
  position:fixed;right:1.25rem;bottom:1.25rem;z-index:60;
  display:flex;flex-direction:column;align-items:flex-end;gap:.7rem;
}
.wa-btn{
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.85rem 1.15rem;
  background:#1FA855;color:#fff;
  border-radius:999px;
  text-decoration:none;
  font:600 .85rem/1 var(--body);
  box-shadow:0 12px 28px -10px rgba(16,31,27,.55);
  transition:transform .18s ease,background .18s ease;
}
.wa-btn:hover{background:#188C46;transform:translateY(-2px)}
.wa-btn svg{flex:none}
.wa-teaser{
  position:relative;
  max-width:16.5rem;
  background:var(--chalk);
  color:var(--ink);
  border:1px solid var(--line);
  border-radius:14px;
  border-bottom-right-radius:4px;
  padding:.9rem 2rem .9rem 1rem;
  box-shadow:0 16px 34px -18px rgba(16,31,27,.5);
  animation:rise .3s ease both;
}
.wa-teaser p{margin:0;font-size:.83rem;line-height:1.45}
.wa-close{
  position:absolute;top:.3rem;right:.35rem;
  background:none;border:0;cursor:pointer;
  font:400 1.15rem/1 var(--body);color:var(--slate);
  padding:.2rem .35rem;border-radius:6px;
}
.wa-close:hover{color:var(--ink)}
@media(max-width:560px){
  .wa{right:1rem;bottom:1rem}
  .wa-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  .wa-btn{padding:.9rem;border-radius:50%}
  .wa-teaser{max-width:13.5rem}
}

/* ── small screens ──────────────────────────────────────────── */
@media(max-width:640px){
  h1{font-size:clamp(2.05rem,8vw,2.6rem)}
  h2{font-size:clamp(1.6rem,6.4vw,2rem)}
  .lede{font-size:1rem}
  .hero{padding-top:2.25rem;gap:2.25rem}
  .hero-actions{gap:.6rem}
  .hero-actions .btn{flex:1 1 100%;justify-content:center}
  .phone{max-width:none}
  .phone-body{height:20rem}
  .ticker{gap:.5rem 1.4rem;font-size:.66rem}
  .card,.wcard{padding:1.4rem 1.2rem}
  .stat-l,.card p,.wcard p{font-size:.88rem}
  .faq summary{font-size:.96rem}
  /* keep the last section clear of the floating WhatsApp button */
  .foot{padding-bottom:6rem}
}
@media(max-width:400px){
  .mark-text em{display:none}
  .mark-text{font-size:.82rem}
}

/* ── reduced motion ─────────────────────────────────────────── */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}