/* =================================================================
   ESTUDIO POI — Design tokens
   ================================================================= */
:root{
  --cream:        #F4E9DD;
  --cream-deep:   #ECDCC9;
  --paper:        #FBF5EC;
  --ink:          #1C1712;
  --ink-soft:     #574C41;
  --ink-faint:    #8A7C6E;
  --copper:       #9C5A2E;
  --copper-light: #C4834F;
  --copper-deep:  #6E3D1D;
  --panel:        #1A1510;
  --panel-soft:   #2A231C;
  --line:         rgba(28,23,18,0.14);
  --line-dark:    rgba(244,233,221,0.16);

  --serif: "Fraunces", Georgia, serif;
  --sans:  "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, monospace;

  --container: 1180px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *,*::before,*::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body{
  margin:0;
  font-family: var(--sans);
  background: var(--cream);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family:inherit; cursor:pointer; background:none; border:none; color:inherit; }
input,textarea{ font-family:inherit; }

.eyebrow{
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin: 0 0 1rem;
}
.eyebrow--light{ color: var(--copper-light); }

h1,h2,h3{
  font-family: var(--serif);
  font-weight: 500;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.01em;
}
em{ font-style: italic; color: var(--copper); font-weight: 500; }

.section{ padding: 7.5rem 0; }
.section__inner{ max-width: var(--container); margin: 0 auto; padding: 0 2rem; }
.section__head{ max-width: 640px; margin-bottom: 3.5rem; }
.section__head h2{ font-size: clamp(1.8rem, 3vw, 2.5rem); line-height: 1.25; }
.light-heading{ color: var(--cream); }

/* Buttons */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.8rem;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.25s ease, color 0.25s ease;
  white-space: nowrap;
}
.btn--copper{ background: var(--copper); color: var(--paper); }
.btn--copper:hover{ background: var(--copper-deep); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(110,61,29,0.28); }
.btn--ghost{ background: transparent; color: var(--ink); border: 1.5px solid var(--line); }
.btn--ghost:hover{ border-color: var(--ink); transform: translateY(-2px); }
.btn--full{ width:100%; }

/* =================================================================
   BRAND MARK (typographic logo — replaces raster image)
   ================================================================= */
.brand-mark{
  display:flex; flex-direction:column; align-items:flex-start;
  font-family: "Outfit", var(--sans);
  color: var(--ink);
  line-height: 1;
  user-select: none;
}
.brand-mark__estudio{
  font-size: 0.62em;
  font-weight: 500;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: currentColor;
  margin-bottom: 0.4em;
  margin-left: 0.05em;
}
.brand-mark__poi{
  display: inline-flex;
  align-items: baseline;
  font-size: 2.1em;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.brand-mark__o{ font-weight: 400; }
.brand-mark__i{
  position: relative;
  display: inline-block;
  margin-left: 0.03em;
}
.brand-mark__dot{
  position: absolute;
  top: -0.02em;
  left: 50%;
  transform: translateX(-50%);
  width: 0.16em;
  height: 0.16em;
  border-radius: 50%;
  background: var(--copper);
  font-style: normal;
}
.brand-mark--nav{ font-size: 13px; }
.brand-mark--footer{ font-size: 17px; }

/* =================================================================
   NAV
   ================================================================= */
.nav{
  position: sticky; top:0; z-index: 100;
  background: rgba(244,233,221,0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav__inner{
  max-width: var(--container); margin:0 auto; padding: 0.9rem 2rem;
  display:flex; align-items:center; gap: 2rem;
}
.nav__brand{ margin-right: auto; }
.nav__links{ display:flex; gap: 1.8rem; font-size: 0.92rem; font-weight:600; }
.nav__links a{ position:relative; padding: 0.2rem 0; }
.nav__links a::after{
  content:''; position:absolute; left:0; right:100%; bottom:-2px; height:1.5px;
  background: var(--copper); transition: right 0.3s var(--ease);
}
.nav__links a:hover::after{ right:0; }
.nav__cta{ padding: 0.65rem 1.4rem; font-size:0.88rem; }
.nav__burger{ display:none; flex-direction:column; gap:5px; width:26px; }
.nav__burger span{ height:2px; background:var(--ink); border-radius:2px; transition: transform .3s var(--ease), opacity .3s var(--ease); }

@media (max-width: 900px){
  .nav__links{
    position:fixed; inset: 62px 0 0 0; background: var(--cream);
    flex-direction:column; padding: 2rem; gap: 1.4rem; font-size: 1.15rem;
    transform: translateY(-8px); opacity:0; pointer-events:none;
    transition: opacity .3s var(--ease), transform .3s var(--ease);
  }
  .nav__links.is-open{ opacity:1; transform:translateY(0); pointer-events:auto; }
  .nav__cta{ display:none; }
  .nav__burger{ display:flex; }
  .nav__burger.is-open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav__burger.is-open span:nth-child(2){ opacity:0; }
  .nav__burger.is-open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
}

/* =================================================================
   HERO
   ================================================================= */
.hero{
  position: relative;
  min-height: 92vh;
  display:flex; align-items:center;
  overflow: hidden;
}
.hero__grain{
  position:absolute; inset:0; pointer-events:none; opacity: 0.5;
  background-image: radial-gradient(var(--line) 0.6px, transparent 0.6px);
  background-size: 18px 18px;
  mask-image: radial-gradient(ellipse at 70% 40%, black, transparent 70%);
}
.hero__inner{
  max-width: var(--container); margin: 0 auto; padding: 4rem 2rem;
  display:grid; grid-template-columns: 1.1fr 0.9fr; align-items:center; gap: 2rem;
  position:relative; z-index:1;
}
.hero__title{
  font-size: clamp(2.6rem, 5.6vw, 4.4rem);
  line-height: 1.04;
  font-weight: 500;
}
.hero__lede{
  max-width: 440px; margin: 1.8rem 0 2.4rem;
  color: var(--ink-soft); font-size: 1.08rem;
}
.hero__actions{ display:flex; gap: 1rem; flex-wrap:wrap; }

.hero__seal-wrap{ display:flex; justify-content:center; align-items:center; }
.seal{ position:relative; width: min(360px, 80vw); aspect-ratio:1; }
.seal__svg{ width:100%; height:100%; }
.seal__ring-outer, .seal__ring-inner{ fill:none; stroke: var(--ink); }
.seal__ring-outer{ stroke-width:1; opacity:0.35; }
.seal__ring-inner{ stroke-width:1; opacity:0.6; }
.seal__text{
  font-family: var(--mono); font-size: 10.6px; letter-spacing: 2.6px;
  fill: var(--copper); text-transform: uppercase;
}
.seal__poi{
  font-family: var(--serif); font-size: 42px; font-weight:500;
  text-anchor:middle; fill: var(--ink);
}
.seal__tm{
  font-family: var(--mono); font-size: 11px; letter-spacing:2px;
  text-anchor:middle; fill: var(--ink-soft);
}
.seal__center, .seal__text{ transform-origin: 160px 160px; }
.seal__text{ animation: seal-rotate 40s linear infinite; }
.seal__stamp-ring{
  position:absolute; inset:-6%; border-radius:50%;
  border: 2px solid var(--copper);
  opacity:0; transform: scale(1.5);
}

@keyframes seal-rotate{ to{ transform: rotate(360deg); } }

/* stamp entrance, played once via JS class */
.seal.is-stamping .seal__svg{ animation: stamp-drop 0.9s var(--ease) both; }
.seal.is-stamping .seal__stamp-ring{ animation: stamp-ring 0.9s var(--ease) both; }
@keyframes stamp-drop{
  0%{ transform: translateY(-26px) scale(1.14) rotate(-6deg); opacity:0; filter: blur(3px); }
  55%{ transform: translateY(4px) scale(0.98) rotate(1deg); opacity:1; filter: blur(0); }
  75%{ transform: translateY(-2px) scale(1.01) rotate(0deg); }
  100%{ transform: translateY(0) scale(1) rotate(0deg); }
}
@keyframes stamp-ring{
  0%{ opacity:0; transform: scale(1); }
  50%{ opacity:0; }
  58%{ opacity:0.55; transform: scale(1); }
  100%{ opacity:0; transform: scale(1.5); }
}

.scroll-cue{
  position:absolute; bottom: 2.2rem; left:50%; transform:translateX(-50%);
  width: 26px; height: 42px; border: 1.5px solid var(--ink-faint); border-radius: 20px;
}
.scroll-cue span{
  position:absolute; top:8px; left:50%; width:4px; height:4px; margin-left:-2px;
  background: var(--copper); border-radius:50%;
  animation: cue 1.8s ease-in-out infinite;
}
@keyframes cue{ 0%{ transform:translateY(0); opacity:1; } 70%{ opacity:0; } 100%{ transform:translateY(16px); opacity:0; } }

@media (max-width: 860px){
  .hero__inner{ grid-template-columns: 1fr; text-align:left; }
  .hero__seal-wrap{ order:-1; margin-bottom:1rem; }
  .seal{ width: min(240px, 60vw); }
}

/* =================================================================
   REVEAL ON SCROLL
   ================================================================= */
.reveal{ opacity:0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-visible{ opacity:1; transform:none; }

/* =================================================================
   ABOUT
   ================================================================= */
.about__grid{
  display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 4rem;
}
.about__quote{
  font-family: var(--serif); font-size: 1.5rem; line-height:1.4;
  color: var(--ink); font-style: italic;
}
.about__body p{ color: var(--ink-soft); margin: 0 0 1.2rem; font-size:1.02rem; }
@media (max-width: 860px){ .about__grid{ grid-template-columns: 1fr; gap:2rem; } }

/* =================================================================
   SERVICE TABS
   ================================================================= */
.tabs__nav{
  display:flex; flex-wrap:wrap; gap: 0.6rem 0.6rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.6rem;
}
.tabs__btn{
  display:flex; align-items:center; gap:0.6rem;
  padding: 1rem 0.4rem 1.1rem; margin-right: 1.6rem;
  border-bottom: 2px solid transparent;
  font-size: 0.98rem; font-weight: 700; color: var(--ink-faint);
  transition: color .25s ease, border-color .25s ease;
}
.tabs__num{ font-family: var(--mono); font-size:0.78rem; color: var(--copper); }
.tabs__btn.is-active{ color: var(--ink); border-color: var(--copper); }
.tabs__btn:hover{ color: var(--ink); }

.tabs__panel{ display:none; }
.tabs__panel.is-active{ display:block; animation: panel-in 0.5s var(--ease); }
@keyframes panel-in{ from{ opacity:0; transform: translateY(10px); } to{ opacity:1; transform:none; } }

.tabs__intro{
  font-family: var(--serif); font-style:italic; font-size:1.25rem;
  color: var(--copper-deep); margin: 0 0 2rem;
}
.service-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
.service-item{
  background: var(--paper); padding: 1.8rem;
  transition: background .3s ease;
}
.service-item:hover{ background: var(--cream-deep); }
.service-item--wide{ grid-column: span 2; }
.service-item h3{ font-size: 1.05rem; margin-bottom: 0.6rem; font-weight:600; font-family: var(--sans); }
.service-item p{ color: var(--ink-soft); font-size: 0.94rem; margin:0; }

@media (max-width: 760px){
  .service-grid{ grid-template-columns: 1fr; }
  .service-item--wide{ grid-column: span 1; }
}

/* =================================================================
   PROCESS / STEPPER
   ================================================================= */
.process{ background: var(--panel); }
.stepper{
  position:relative; display:flex; justify-content:space-between;
  padding-top: 2.5rem;
}
.stepper__line{
  position:absolute; top: 2.5rem; left: 14px; right:14px; height:1px;
  background: var(--line-dark);
}
.stepper__line-fill{
  position:absolute; left:0; top:0; height:100%; width:0%;
  background: var(--copper-light);
  transition: width 1.4s var(--ease);
}
.stepper__step{
  position:relative; display:flex; flex-direction:column; align-items:center; gap:1rem;
  flex:1; z-index:1;
}
.stepper__dot{
  width: 14px; height:14px; border-radius:50%;
  background: var(--panel); border: 1.5px solid var(--line-dark);
  transition: background .4s ease, border-color .4s ease, transform .4s ease;
}
.stepper__step.is-active .stepper__dot{ background: var(--copper-light); border-color: var(--copper-light); transform: scale(1.3); }
.stepper__label{ font-family: var(--mono); font-size: 0.85rem; color: var(--cream); opacity:0.65; text-align:center; }
.stepper__step.is-active .stepper__label{ opacity:1; color: var(--copper-light); }

.stepper__dot--stamp{ position:relative; }
.stepper__step--final.is-stamped .stepper__dot--stamp{
  animation: dot-stamp 0.6s var(--ease) both;
}
@keyframes dot-stamp{
  0%{ transform: scale(0.6); }
  55%{ transform: scale(1.7); }
  100%{ transform: scale(1.3); }
}

@media (max-width: 700px){
  .stepper{ flex-wrap:wrap; row-gap: 2.2rem; }
  .stepper__line{ display:none; }
  .stepper__step{ flex: 0 0 33%; }
}

/* =================================================================
   KITS
   ================================================================= */
.kit-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.kit-card{
  background: var(--paper); border: 1px solid var(--line);
  border-radius: 4px; padding: 2.2rem;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s ease;
}
.kit-card:hover{ transform: translateY(-6px); box-shadow: 0 20px 40px rgba(28,23,18,0.08); }
.kit-card__num{ font-family: var(--mono); font-size:0.78rem; color: var(--copper); letter-spacing:0.08em; margin:0 0 1rem; }
.kit-card h3{ font-size:1.35rem; margin-bottom: 0.4rem; }
.kit-card__for{ color: var(--ink-soft); font-size:0.92rem; margin: 0 0 1.4rem; }
.kit-card ul{ display:flex; flex-direction:column; gap:0.6rem; }
.kit-card li{ font-size:0.92rem; padding-left: 1.3rem; position:relative; }
.kit-card li::before{
  content:''; position:absolute; left:0; top:0.5em; width:6px; height:1.5px; background: var(--copper);
}
.kit-card--featured{
  background: var(--ink); border-color: var(--ink); color: var(--cream);
  transform: scale(1.03);
}
.kit-card--featured .kit-card__for{ color: rgba(244,233,221,0.7); }
.kit-card--featured h3{ color: var(--cream); }
.kit-card--featured .kit-card__num{ color: var(--copper-light); }
.kit-card--featured:hover{ transform: scale(1.03) translateY(-6px); }

@media (max-width: 900px){
  .kit-grid{ grid-template-columns:1fr; }
  .kit-card--featured{ transform:none; order:-1; }
  .kit-card--featured:hover{ transform: translateY(-6px); }
}

/* =================================================================
   PLANS (PLAN POI)
   ================================================================= */
.plan-split{ display:grid; grid-template-columns: 1fr 1fr; border-radius:6px; overflow:hidden; }
.plan-card{ padding: 3rem; }
.plan-card--light{ background: var(--paper); }
.plan-card--dark{ background: var(--ink); color: var(--cream); }
.plan-card__tag{
  font-family: var(--mono); font-size:0.8rem; color: var(--copper);
  border: 1px solid var(--copper); display:inline-block; padding: 0.15rem 0.6rem; border-radius:100px;
  margin-bottom:1.2rem;
}
.plan-card--dark .plan-card__tag{ color: var(--copper-light); border-color: var(--copper-light); }
.plan-card h3{ font-size:1.6rem; margin-bottom:0.5rem; }
.plan-card--dark h3{ color: var(--cream); }
.plan-card__for{ color: var(--ink-soft); margin-bottom:1.6rem; }
.plan-card--dark .plan-card__for{ color: rgba(244,233,221,0.7); }
.plan-card ul{ display:flex; flex-direction:column; gap:0.7rem; }
.plan-card li{ font-size:0.95rem; padding-left:1.4rem; position:relative; }
.plan-card li::before{ content:'—'; position:absolute; left:0; color: var(--copper); }
.plan-card--dark li::before{ color: var(--copper-light); }

@media (max-width: 760px){ .plan-split{ grid-template-columns:1fr; } }

/* =================================================================
   CUSTOM SERVICES / ACCORDION
   ================================================================= */
.accordion__item{ border-bottom: 1px solid var(--line); }
.accordion__item:first-child{ border-top: 1px solid var(--line); }
.accordion__trigger{
  width:100%; display:flex; justify-content:space-between; align-items:center;
  padding: 1.6rem 0.2rem; font-size: 1.15rem; font-weight:600; text-align:left;
  font-family: var(--serif);
}
.accordion__icon{ position:relative; width:18px; height:18px; flex-shrink:0; }
.accordion__icon::before, .accordion__icon::after{
  content:''; position:absolute; background: var(--ink); border-radius:2px;
  transition: transform 0.35s var(--ease);
}
.accordion__icon::before{ top:8px; left:0; width:18px; height:1.5px; }
.accordion__icon::after{ top:0; left:8px; width:1.5px; height:18px; }
.accordion__item.is-open .accordion__icon::after{ transform: rotate(90deg); opacity:0; }
.accordion__panel{
  max-height:0; overflow:hidden;
  transition: max-height 0.5s var(--ease), padding 0.5s var(--ease);
}
.accordion__item.is-open .accordion__panel{ max-height: 220px; padding-bottom: 1.8rem; }
.accordion__panel p{ color: var(--ink-soft); max-width: 760px; margin:0; }

/* =================================================================
   WHY GRID
   ================================================================= */
.why-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 2.4rem 2rem; }
.why-card{ padding-right:1rem; }
.why-icon{
  width:38px; height:38px; fill:none; stroke: var(--ink); stroke-width:1.6;
  stroke-linecap:round; stroke-linejoin:round; margin-bottom:1.2rem;
}
.why-icon__check{ stroke: var(--copper); }
.why-card h3{ font-size:1.1rem; margin-bottom:0.5rem; font-family: var(--sans); font-weight:700; }
.why-card p{ color: var(--ink-soft); font-size:0.94rem; margin:0; }

@media (max-width:760px){ .why-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width:480px){ .why-grid{ grid-template-columns: 1fr; } }

/* =================================================================
   CLOSING
   ================================================================= */
.closing{
  background: var(--ink); color: var(--cream);
  padding: 8.5rem 2rem; text-align:center;
}
.closing__inner{ max-width: 760px; margin:0 auto; }
.closing__quote{
  font-family: var(--serif); font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  line-height:1.35; margin:0 0 1.4rem;
}
.closing__quote em{ color: var(--copper-light); }
.closing__sub{ color: rgba(244,233,221,0.65); font-size:1.05rem; margin: 0 0 2.4rem; }

/* =================================================================
   CONTACT
   ================================================================= */
.contact__grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.contact__info h2{ font-size: clamp(1.7rem,3vw,2.3rem); margin: 0.6rem 0 2rem; line-height:1.25; }
.contact__list{ display:flex; flex-direction:column; gap:1.1rem; margin-bottom:2.2rem; }
.contact__list li{ display:flex; align-items:center; gap:0.8rem; font-size:1rem; }
.contact__icon{ width:22px; height:22px; flex-shrink:0; }
.contact__icon svg{ width:100%; height:100%; fill:none; stroke: var(--copper); stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; }
.contact__actions{ display:flex; gap:1rem; flex-wrap:wrap; }

.contact__form{ background: var(--paper); border:1px solid var(--line); border-radius:6px; padding: 2.2rem; display:flex; flex-direction:column; gap:1.2rem; }
.contact__form label{ display:flex; flex-direction:column; gap:0.5rem; font-size:0.85rem; font-weight:600; color: var(--ink-soft); }
.contact__form input, .contact__form textarea{
  border: 1px solid var(--line); border-radius:4px; padding: 0.8rem 0.9rem;
  background: var(--cream); color: var(--ink); font-size:0.95rem;
  transition: border-color .25s ease, box-shadow .25s ease;
  resize: vertical;
}
.contact__form input:focus, .contact__form textarea:focus{
  outline:none; border-color: var(--copper); box-shadow: 0 0 0 3px rgba(156,90,46,0.15);
}
.contact__form-note{ font-size:0.85rem; color: var(--copper-deep); min-height:1.2em; margin:0; }

@media (max-width:860px){ .contact__grid{ grid-template-columns:1fr; gap:2.5rem; } }

/* =================================================================
   FOOTER
   ================================================================= */
.footer__split{ display:grid; grid-template-columns: 1fr 1fr; }
.footer__side{ padding: 3rem 2rem; display:flex; flex-direction:column; justify-content:center; }
.footer__side--light{ background: var(--cream-deep); align-items:flex-start; }
.footer__side--dark{ background: var(--panel); color: var(--cream); }
.footer__institutions-label{ font-family: var(--mono); font-size:0.75rem; letter-spacing:0.08em; text-transform:uppercase; color: var(--copper-light); margin: 0 0 1rem; }
.footer__institutions-logos{ display:flex; align-items:center; gap: 1rem; flex-wrap: wrap; }
.footer__institution-badge{
  display:inline-flex; align-items:center; justify-content:center;
  background: var(--cream);
  border-radius: 6px;
  padding: 0.7rem 1.1rem;
  height: 52px;
}
.footer__institution-badge img{ height: 100%; width:auto; display:block; }
.footer__bottom{ text-align:center; padding: 1.4rem; background: var(--ink); }
.footer__bottom p{ margin:0; color: rgba(244,233,221,0.55); font-size:0.82rem; }

@media (max-width:760px){ .footer__split{ grid-template-columns:1fr; } }

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--copper); outline-offset: 2px;
}