/* ==========================================================================
   Memorias y Trayectorias — stylesheet
   Tokens derived from the brand mark: ink night, warm paper, gold, indigo, red.
   ========================================================================== */

:root{
  /* ---- color ---- */
  --ink:        #14151b;
  --ink-soft:   #1e2029;
  --ink-line:   #33353f;
  --cream:      #f7f1e3;
  --cream-2:    #ece2c9;
  --cream-line: #ddd2b4;
  --paper-text: #2b271d;
  --paper-mute: #6b6553;

  --gold-500:   #f3c623;   /* bright, decorative */
  --gold-700:   #a9790a;   /* text-safe on cream */
  --gold-300:   #ffe27a;   /* text-safe on ink */

  --indigo-600: #13306b;   /* text-safe on cream */
  --indigo-500: #1f3f8f;
  --indigo-300: #7891cf;   /* text-safe on ink */

  --red-600:    #d42027;

  /* ---- type ---- */
  --font-display: "Fraunces", "Iowan Old Style", serif;
  --font-body: "Work Sans", "Segoe UI", sans-serif;

  /* ---- layout ---- */
  --edge: clamp(20px, 5vw, 72px);
  --radius-s: 4px;
  --radius-m: 4px;
  --radius-l: 4px;
  --ease-out: cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: auto; }
body{
  margin:0;
  background: var(--cream);
  color: var(--paper-text);
  font-family: var(--font-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
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; }
::selection{ background: var(--gold-500); color: var(--ink); }

.has-scroll-smooth{ overflow: hidden; }
[data-scroll-container]{ min-height: 100vh; }

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

/* ==========================================================================
   Utility
   ========================================================================== */

.eyebrow{
  display:flex; align-items:center; gap:.55em;
  font-family: var(--font-body);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold-700);
  margin: 0 0 18px;
}
.eyebrow__dot{
  width:7px; height:7px; border-radius:50%;
  background: var(--red-600);
  box-shadow: 0 0 0 4px rgba(212,32,39,.18);
}
.eyebrow--light{ color: var(--gold-300); }
.eyebrow--light .eyebrow__dot{ box-shadow: 0 0 0 4px rgba(255,226,122,.18); background: var(--gold-500); }

.section-title{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.7rem, 3.2vw, 2.7rem);
  line-height: 1.18;
  margin: 0;
  max-width: 20ch;
}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 15px 28px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .95rem;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: transform .35s var(--ease-out), background .3s ease, color .3s ease, border-color .3s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn--primary{ background: var(--ink); color: var(--cream); }
.btn--primary:hover{ background: var(--indigo-600); }
.btn--ghost{ background: transparent; color: var(--paper-text); border-color: var(--ink-line); }
.btn--ghost:hover{ border-color: var(--paper-text); }
.btn--pill{ padding: 11px 22px; font-size: .85rem; }
.btn--full{ width:100%; }

/* ==========================================================================
   Nav
   ========================================================================== */

.nav{
  position: fixed; top:0; left:0; right:0; z-index: 200;
  padding: 18px var(--edge);
  background: linear-gradient(to bottom, rgba(20,21,27,.65), rgba(20,21,27,0));
  transition: background .4s ease, padding .4s ease, backdrop-filter .4s ease;
}
.nav.is-scrolled{
  background: rgba(20,21,27,.72);
  backdrop-filter: blur(14px);
  padding-top: 12px; padding-bottom: 12px;
}
.nav.on-light{ }
.nav__inner{
  display:flex; align-items:center; gap: 28px;
  max-width: 1400px; margin: 0 auto;
}
.nav__brand{ display:flex; align-items:center; gap:12px; margin-right:auto; }
.nav__mark{ width:38px; height:38px; object-fit:contain; filter: drop-shadow(0 2px 6px rgba(0,0,0,.35)); }
.nav__word{
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--cream);
}
.nav__word em{ font-style:normal; color: var(--gold-500); margin: 0 3px; }

.nav__links{ display:flex; align-items:center; gap: 30px; }
.nav__link{
  font-size: .92rem; font-weight:500; color: rgba(247,241,227,.82);
  position:relative; padding: 4px 0;
}
.nav__link::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:1px;
  background: var(--gold-500); transition: right .3s var(--ease-out);
}
.nav__link:hover{ color: var(--cream); }
.nav__link:hover::after{ right:0; }

.nav__cta{ color: var(--cream); border: 1px solid rgba(247,241,227,.35); }
.nav__cta:hover{ background: var(--gold-500); border-color: var(--gold-500); color: var(--ink); }

.nav__toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width: 40px; height: 40px; background:none; border:none; padding:0;
}
.nav__toggle span{ display:block; height:2px; width:100%; background: var(--cream); transition: transform .3s ease, opacity .3s ease; }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero{
  position:relative;
  min-height: 100vh;
  min-height: 100svh;
  background: var(--ink);
  color: var(--cream);
  display:flex; flex-direction:column; justify-content:center;
  padding: 140px var(--edge) 100px;
  overflow:hidden;
}
.hero__texture{
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse 60% 45% at 82% 18%, rgba(31,63,143,.35), transparent 60%),
    radial-gradient(ellipse 50% 40% at 8% 88%, rgba(169,121,10,.22), transparent 60%);
  pointer-events:none;
}
.hero__texture--contact{
  background:
    radial-gradient(ellipse 55% 45% at 12% 12%, rgba(212,32,39,.16), transparent 60%),
    radial-gradient(ellipse 55% 45% at 90% 90%, rgba(31,63,143,.35), transparent 60%);
}

.hero__inner{ position:relative; z-index:2; max-width: 900px; }

.hero__title{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.6rem, 6.6vw, 5.4rem);
  line-height: 1.05;
  letter-spacing: -.01em;
  margin: 0 0 28px;
}
.reveal-line{ display:block; overflow:hidden; }
.reveal-line > span{ display:block; transform: translateY(115%); }
.hero__title-em{ font-style: italic; font-weight:400; color: var(--gold-500); }

.hero__lead{
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  line-height: 1.65;
  color: rgba(247,241,227,.78);
  max-width: 52ch;
  margin: 0 0 40px;
}

.hero__actions{ display:flex; flex-wrap:wrap; gap:16px; margin-bottom: 46px; }
.hero .btn--ghost{ color: var(--cream); border-color: rgba(247,241,227,.35); }
.hero .btn--ghost:hover{ border-color: var(--cream); }
.hero .btn--primary{ background: var(--gold-500); color: var(--ink); }
.hero .btn--primary:hover{ background: var(--cream); }

.hero__tags{ display:flex; flex-wrap:wrap; gap: 10px 12px; }
.hero__tags li{
  font-size: .78rem; letter-spacing:.04em; font-weight:500;
  padding: 8px 16px; border-radius: 4px;
  border: 1px solid rgba(247,241,227,.22);
  color: rgba(247,241,227,.7);
}

.hero__mark{
  position:absolute; right: clamp(-40px, 4vw, 90px); top: 50%;
  width: min(46vw, 560px); aspect-ratio:1;
  transform: translateY(-50%);
  z-index:1; opacity:.9;
}
.spiral-svg{ width:100%; height:100%; }
.spiral-svg__ring{ stroke: rgba(247,241,227,.14); stroke-width:1; }
.spiral-svg__spiral{
  stroke: var(--gold-500);
  stroke-width: 3;
  stroke-linecap: round;
  animation: spin-slow 60s linear infinite;
  transform-origin: 120px 120px;
}
@keyframes spin-slow{ to{ transform: rotate(360deg); } }

.hero__scroll{
  position:absolute; left: var(--edge); bottom: 34px; z-index:2;
  display:flex; align-items:center; gap:12px;
  color: rgba(247,241,227,.65); font-size:.78rem; letter-spacing:.1em; text-transform:uppercase;
}
.hero__scroll i{
  width:1px; height: 34px; background: rgba(247,241,227,.4); position:relative; overflow:hidden;
}
.hero__scroll i::after{
  content:""; position:absolute; left:0; top:-100%; width:100%; height:100%;
  background: var(--gold-500);
  animation: scroll-cue 2.2s ease-in-out infinite;
}
@keyframes scroll-cue{ 50%{ top:0; } 100%{ top:100%; } }

/* ==========================================================================
   Allies / marquee
   ========================================================================== */

.allies{ padding: 110px 0 90px; background: var(--cream); }
.allies__head{ padding: 0 var(--edge); margin-bottom: 56px; }

.marquee{
  position:relative;
  width:100%;
  overflow:hidden;
  padding: 20px 0;
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}
.marquee__track{ display:flex; width: max-content; }
.marquee__group{
  display:flex; align-items:center; gap: 14px;
  animation: marquee-left 34s linear infinite;
  flex-shrink:0;
}
.marquee--alt .marquee__group{ animation-name: marquee-right; animation-duration: 30s; }
.marquee.is-paused .marquee__group{ animation-play-state: paused; }

@keyframes marquee-left{ from{ transform: translateX(0); } to{ transform: translateX(-100%); } }
@keyframes marquee-right{ from{ transform: translateX(-100%); } to{ transform: translateX(0); } }

.allymark{
  display:inline-flex; align-items:center;
  padding: 16px 30px;
  margin-right: 14px;
  border-radius: 4px;
  border: 1px solid var(--cream-line);
  background: var(--cream-2);
  color: var(--paper-mute);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  white-space:nowrap;
  filter: grayscale(1);
  opacity: .72;
  transition: opacity .35s ease, filter .35s ease, color .35s ease, border-color .35s ease, transform .35s ease;
}
.allymark:hover{
  filter: grayscale(0);
  opacity: 1;
  color: var(--indigo-600);
  border-color: var(--gold-500);
  transform: translateY(-3px);
}

/* ==========================================================================
   Somos
   ========================================================================== */

.somos{ padding: 40px var(--edge) 120px; background: var(--cream); }
.somos__head{ max-width: 900px; margin: 0 auto 90px; text-align:center; }
.somos__head .eyebrow{
  justify-content:center;
  opacity: 0; transform: translateY(24px);
  transition: opacity .9s var(--ease-out), transform .9s var(--ease-out);
}
.somos__head .eyebrow.in-view{ opacity:1; transform:none; }

.statement{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  line-height: 1.35;
  margin: 0 0 30px;
  opacity: 0; transform: translateY(24px);
  transition: opacity .9s var(--ease-out), transform .9s var(--ease-out);
}
.statement em{ font-style: italic; color: var(--indigo-600); }
.somos__body{
  font-size: 1.05rem; line-height:1.8; color: var(--paper-mute);
  max-width: 62ch; margin: 0 auto;
  opacity: 0; transform: translateY(24px);
  transition: opacity .9s var(--ease-out) .1s, transform .9s var(--ease-out) .1s;
}
.somos__head .eyebrow.in-view,
.statement.in-view, .somos__body.in-view{ opacity:1; transform:none; }

.pillars{
  position:relative;
  max-width: 1180px; margin: 0 auto;
  display:grid; grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding: 60px 0 90px;
}
.pillars__thread{
  position:absolute; left:50%; top:0; bottom:0; width:4px; transform: translateX(-50%);
  display:none;
}
.pillars__thread svg{ width:100%; height:100%; overflow:visible; }
#threadPath{
  fill:none; stroke: var(--indigo-300); stroke-width: 2;
  stroke-dasharray: 1000; stroke-dashoffset: 1000;
}

.pillar{
  text-align:left;
  opacity:0; transform: translateY(30px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.pillar.in-view{ opacity:1; transform:none; }
.pillar:nth-child(3).in-view{ transition-delay:.08s; }
.pillar:nth-child(4).in-view{ transition-delay:.16s; }

.pillar__icon{
  width: 60px; height:60px;
  display:flex; align-items:center; justify-content:center;
  border-radius: 50%;
  background: var(--cream-2);
  color: var(--indigo-600);
  margin-bottom: 22px;
}
.pillar__icon svg{ width: 26px; height:26px; }
.pillar h3{
  font-family: var(--font-display);
  font-size: 1.35rem; font-weight:500;
  margin: 0 0 12px;
}
.pillar p{ font-size: .98rem; line-height:1.7; color: var(--paper-mute); margin:0; }

.gallery{
  max-width: 1180px; margin: 0 auto;
  display:grid; grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 18px;
  opacity:0; transform: translateY(30px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}
.gallery.in-view{ opacity:1; transform:none; }
.gallery__item{
  margin:0; overflow:hidden; border-radius: var(--radius-m);
  background: var(--cream-2);
  grid-row: span 2;
}
.gallery__item + .gallery__item{ grid-row: span 1; }
.gallery__item img{ width:100%; height:100%; object-fit:cover; transition: transform .8s var(--ease-out); }
.gallery__item:hover img{ transform: scale(1.05); }
.gallery__caption{
  grid-column: 1 / -1;
  font-size: .8rem; color: var(--paper-mute); opacity:.7;
  margin-top: -4px;
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact{
  position:relative;
  background: var(--ink); color: var(--cream);
  padding: 120px var(--edge) 90px;
  overflow:hidden;
}
.contact__inner{
  position:relative; z-index:2;
  max-width: 1280px; margin:0 auto;
  display:grid; grid-template-columns: 1.1fr .9fr;
  gap: 70px;
  align-items:start;
}
.contact__title{
  font-family: var(--font-display);
  font-weight:500;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height:1.18;
  margin: 0 0 26px;
}
.contact__title em{ font-style:italic; font-weight:400; color: var(--gold-500); }
.contact__lead{
  font-size: 1.02rem; line-height:1.75; color: rgba(247,241,227,.72);
  max-width: 46ch; margin: 0 0 36px;
}

.copy-email{
  position:relative;
  display:inline-flex; align-items:center; gap: 12px;
  background: transparent; border: 1px solid rgba(247,241,227,.28);
  color: var(--cream);
  padding: 16px 22px; border-radius: 999px;
  font-family: var(--font-body); font-size: .98rem; font-weight:500;
  margin-bottom: 34px;
  transition: border-color .3s ease, background .3s ease;
}
.copy-email:hover{ border-color: var(--gold-500); background: rgba(243,198,35,.08); }
.copy-email__icon{ display:flex; color: var(--gold-500); }
.copy-email__toast{
  position:absolute; top:-38px; left:50%; transform: translateX(-50%) translateY(6px);
  background: var(--gold-500); color: var(--ink);
  font-size:.72rem; font-weight:700; letter-spacing:.04em; text-transform:uppercase;
  padding: 6px 12px; border-radius: 999px;
  opacity:0; pointer-events:none;
  transition: opacity .25s ease, transform .25s ease;
}
.copy-email__toast.show{ opacity:1; transform: translateX(-50%) translateY(0); }

.social{ display:flex; gap: 22px; }
.social a{
  font-size: .88rem; color: rgba(247,241,227,.6);
  position:relative; padding-bottom:2px;
}
.social a::after{ content:""; position:absolute; left:0; right:100%; bottom:0; height:1px; background: var(--gold-500); transition: right .3s var(--ease-out); }
.social a:hover{ color: var(--cream); }
.social a:hover::after{ right:0; }

.contact__form{
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-l);
  padding: 36px;
  display:flex; flex-direction:column; gap: 20px;
}
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{ font-size:.8rem; letter-spacing:.04em; color: rgba(247,241,227,.6); }
.field input, .field textarea{
  background: var(--ink);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-s);
  padding: 13px 15px;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: .95rem;
  resize: vertical;
  transition: border-color .3s ease;
}
.field input:focus, .field textarea:focus{ outline:none; border-color: var(--gold-500); }
.field__note{ font-size:.85rem; min-height: 1.2em; color: var(--gold-300); margin:0; }

/* ==========================================================================
   Footer
   ========================================================================== */

.footer{ background: var(--cream); border-top: 1px solid var(--cream-line); padding: 56px var(--edge) 34px; }
.footer__inner{ max-width: 1280px; margin:0 auto; display:flex; flex-direction:column; align-items:flex-start; gap: 18px; }
.footer__brand .nav__word{ color: var(--paper-text); }
.footer__brand .nav__mark{ filter:none; }
.footer__tag{ font-family: var(--font-display); font-style:italic; font-size:1.05rem; color: var(--paper-mute); margin:0; }
.footer__links{ display:flex; flex-wrap:wrap; gap: 22px; font-size:.88rem; }
.footer__links a:hover{ color: var(--indigo-600); }
.footer__legal{ font-size:.78rem; color: var(--paper-mute); margin: 18px 0 0; }

/* ==========================================================================
   Loader
   ========================================================================== */
.loader{
  position:fixed; inset:0; z-index:9999;
  display:flex; align-items:center; justify-content:center;
  background: var(--ink);
  transition: opacity .6s ease, visibility .6s ease;
}
.loader.is-hidden{ opacity:0; visibility:hidden; }
.loader__spiral{ animation: spin-slow 3s linear infinite; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (min-width: 900px){
  .pillars__thread{ display:block; }
}

@media (max-width: 899px){
  .nav__links, .nav__cta{ display:none; }
  .nav__toggle{ display:flex; }
  .nav.menu-open .nav__links{
    display:flex; flex-direction:column; align-items:flex-start; gap: 18px;
    position:absolute; top: 100%; left:0; right:0;
    background: rgba(20,21,27,.97); backdrop-filter: blur(14px);
    padding: 26px var(--edge) 30px;
  }
  .nav.menu-open .nav__cta{ display:inline-flex; margin: 0 var(--edge) 24px; }
  .nav.menu-open{ background: rgba(20,21,27,.97); }
  .nav.menu-open .nav__toggle span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav.menu-open .nav__toggle span:nth-child(2){ opacity:0; }
  .nav.menu-open .nav__toggle span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

  .hero{ padding-top: 120px; }
  .hero__mark{ opacity:.35; width: 70vw; right: -10vw; }

  .contact__inner{ grid-template-columns: 1fr; gap: 48px; }
  .gallery{ grid-template-columns: 1fr; }
  .gallery__item{ grid-row: auto !important; aspect-ratio: 4/3; }
}

@media (max-width: 720px){
  .pillars{ grid-template-columns: 1fr; gap: 46px; }
  .allies__head{ margin-bottom: 40px; }
  .contact__form{ padding: 26px; }
}

@media (max-width: 520px){
  :root{ --edge: 20px; }
  .hero__actions{ flex-direction:column; align-items:stretch; }
  .hero__title{ font-size: clamp(2.2rem, 11vw, 3rem); }
  .allymark{ font-size:.92rem; padding: 13px 22px; }
}