/* ============================================================
   JOSE ACEVEDO · ARQUITECTURA Y CONSTRUCCIÓN — shared stylesheet
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #0a0a0a;
  --off-black: #111111;
  --dark-gray: #1c1c1c;
  --mid-gray: #4a4a4a;
  --light-gray: #b0b0b0;
  --off-white: #f4f2ef;
  --white: #ffffff;
  --accent: #c9b99a;
  --transition: 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --nav-h: 78px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', sans-serif;
  background: var(--off-white);
  color: var(--off-black);
  overflow-x: hidden;
}

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

h1, h2, h3 { font-family: 'Cormorant Garamond', serif; font-weight: 300; }

a { color: inherit; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 10000;
  background: var(--white); color: var(--black); padding: 0.8rem 1.2rem;
  font-size: 0.75rem; letter-spacing: 0.1em;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* CUSTOM CURSOR (pointer devices only) */
@media (hover: hover) and (pointer: fine) {
  body.has-cursor { cursor: none; }
  .cursor {
    position: fixed; width: 10px; height: 10px;
    background: var(--white); border-radius: 50%;
    pointer-events: none; z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, background 0.3s, opacity 0.3s;
    mix-blend-mode: difference;
  }
  .cursor-ring {
    position: fixed; width: 38px; height: 38px;
    border: 1px solid rgba(255,255,255,0.5);
    border-radius: 50%; pointer-events: none; z-index: 9998;
    transform: translate(-50%, -50%);
    transition: width 0.4s var(--transition), height 0.4s var(--transition), border-color 0.3s;
    mix-blend-mode: difference;
  }
  body.hovering .cursor { width: 18px; height: 18px; }
  body.hovering .cursor-ring { width: 60px; height: 60px; border-color: rgba(255,255,255,0.9); }
}
.cursor, .cursor-ring { display: none; }
@media (hover: hover) and (pointer: fine) {
  .cursor, .cursor-ring { display: block; }
}

/* NAV */
nav.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.4rem 3rem;
  background: linear-gradient(to bottom, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0) 100%);
  transition: background var(--transition), backdrop-filter var(--transition);
}
nav.site-nav.scrolled,
nav.site-nav.solid {
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
}
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 34px; width: auto; }

.nav-links { display: flex; gap: 2.6rem; list-style: none; }
.nav-links a {
  color: var(--white); text-decoration: none;
  font-size: 0.68rem; letter-spacing: 0.18em; font-weight: 400;
  position: relative; padding-bottom: 2px;
  transition: color var(--transition-fast);
  white-space: nowrap;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 1px; background: var(--accent);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active::after { width: 100%; background: var(--white); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 0.5rem; z-index: 501;
}
.nav-toggle span { width: 24px; height: 1px; background: var(--white); transition: var(--transition-fast); }

@media (max-width: 860px) {
  nav.site-nav { padding: 1.2rem 1.5rem; background: rgba(10,10,10,0.85); }
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; inset: 0 0 0 auto; width: min(78vw, 320px);
    background: rgba(10,10,10,0.98); flex-direction: column; gap: 0;
    padding: 6.5rem 2rem 2rem; transform: translateX(100%);
    transition: transform var(--transition);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { display: block; padding: 1rem 0; font-size: 0.75rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
}

/* PAGE HEADER (interior pages) */
.page-header {
  position: relative;
  min-height: 46vh;
  display: flex; align-items: flex-end;
  padding: 0 3rem 3.5rem;
  background: var(--black);
  overflow: hidden;
}
.page-header .ph-bg {
  position: absolute; inset: 0; z-index: 0;
}
.page-header .ph-bg img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.5); }
.page-header .ph-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.25) 60%, rgba(0,0,0,0.55) 100%);
}
.page-header-content { position: relative; z-index: 1; }
.ph-eyebrow { font-size: 0.6rem; letter-spacing: 0.3em; color: var(--accent); margin-bottom: 0.9rem; }
.ph-title { font-size: clamp(2.4rem, 5vw, 4rem); color: var(--white); letter-spacing: 0.03em; }
.ph-sub { font-size: 0.8rem; color: var(--light-gray); max-width: 480px; margin-top: 1rem; line-height: 1.8; }

@media (max-width: 768px) {
  .page-header { padding: 0 1.5rem 2.5rem; min-height: 38vh; }
}

/* HERO SLIDESHOW (Inicio) */
.hero-slideshow {
  position: relative; height: 100vh; min-height: 560px;
  background: var(--black); overflow: hidden;
}
.hero-slide {
  position: absolute; inset: 0; opacity: 0;
  transition: opacity 1.6s ease;
}
.hero-slide.active { opacity: 1; }
.hero-slide img {
  width: 100%; height: 100%; object-fit: cover;
  animation: kenburns 12s ease forwards;
}
@keyframes kenburns {
  from { transform: scale(1.06); }
  to { transform: scale(1); }
}
.hero-scrim {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background:
    linear-gradient(to bottom, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.05) 22%, rgba(0,0,0,0.05) 60%, rgba(0,0,0,0.65) 100%);
}
.hero-content {
  position: relative; z-index: 3; height: 100%;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 3rem 5rem;
  max-width: 720px;
}
.hero-eyebrow {
  font-size: 0.62rem; letter-spacing: 0.32em; color: var(--accent); margin-bottom: 1rem;
  opacity: 0; transform: translateY(20px); animation: fadeUp 1s 0.3s forwards;
  text-shadow: 0 1px 4px rgba(0,0,0,0.85), 0 4px 20px rgba(0,0,0,0.55);
}
.hero-title {
  font-size: clamp(2.6rem, 6vw, 5rem); color: var(--white);
  line-height: 1.05; letter-spacing: 0.03em;
  opacity: 0; transform: translateY(30px); animation: fadeUp 1s 0.5s forwards;
  text-shadow: 0 2px 6px rgba(0,0,0,0.85), 0 8px 32px rgba(0,0,0,0.6);
}
.hero-sub {
  font-size: 0.65rem; letter-spacing: 0.25em; color: var(--light-gray);
  margin-top: 0.7rem; margin-bottom: 1.8rem;
  opacity: 0; transform: translateY(20px); animation: fadeUp 1s 0.7s forwards;
  text-shadow: 0 1px 4px rgba(0,0,0,0.85), 0 4px 20px rgba(0,0,0,0.55);
}
.hero-desc {
  font-size: 0.82rem; color: var(--light-gray); line-height: 1.85;
  max-width: 400px; margin-bottom: 2.4rem;
  opacity: 0; transform: translateY(20px); animation: fadeUp 1s 0.9s forwards;
  text-shadow: 0 1px 4px rgba(0,0,0,0.85), 0 4px 18px rgba(0,0,0,0.5);
}
.hero-ctas .btn-primary {
  text-shadow: 0 1px 3px rgba(0,0,0,0.75);
  box-shadow: 0 2px 14px rgba(0,0,0,0.35);
}
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap;
  opacity: 0; transform: translateY(20px); animation: fadeUp 1s 1.1s forwards; }

.hero-dots {
  position: absolute; z-index: 3; right: 2.6rem; bottom: 2.6rem;
  display: flex; gap: 0.6rem;
}
.hero-dots button {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.35); border: none; cursor: pointer; padding: 0;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.hero-dots button.active { background: var(--accent); transform: scale(1.3); }

@media (max-width: 768px) {
  .hero-content { padding: 0 1.5rem 4rem; }
  .hero-dots { right: 1.5rem; bottom: 1.5rem; }
}

/* BUTTONS */
.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; gap: 0.8rem;
  padding: 0.9rem 1.8rem;
  text-decoration: none;
  font-size: 0.65rem; letter-spacing: 0.2em; font-weight: 400;
  position: relative; overflow: hidden;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  width: fit-content; cursor: pointer; border: 1px solid var(--white); background: transparent;
  font-family: 'Montserrat', sans-serif;
}
.btn-primary { color: var(--white); }
.btn-primary::before {
  content: ''; position: absolute; inset: 0; background: var(--accent);
  transform: translateX(-101%); transition: transform var(--transition); z-index: 0;
}
.btn-primary:hover::before { transform: translateX(0); }
.btn-primary:hover { border-color: var(--accent); color: var(--black); }
.btn-primary span, .btn-primary svg { position: relative; z-index: 1; }

.btn-ghost { color: var(--off-black); border-color: rgba(0,0,0,0.25); }
.btn-ghost:hover { border-color: var(--black); background: var(--black); color: var(--white); }

.btn-arrow { transition: transform var(--transition-fast); }
.btn-primary:hover .btn-arrow, .btn-ghost:hover .btn-arrow { transform: translateX(5px); }

/* SECTION SHELLS */
.section { padding: 6rem 3rem; }
.section-tight { padding: 4rem 3rem; }
.section-dark { background: var(--black); color: var(--off-white); }
.section-eyebrow { font-size: 0.58rem; letter-spacing: 0.35em; color: var(--mid-gray); margin-bottom: 1.2rem; }
.section-dark .section-eyebrow { color: var(--accent); }
.section-title { font-size: clamp(2rem, 3.4vw, 3rem); letter-spacing: 0.03em; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 3.5rem; }
.section-desc { font-size: 0.8rem; color: var(--mid-gray); line-height: 1.9; margin-top: 1.1rem; }
.section-dark .section-desc { color: var(--light-gray); }
.divider { width: 40px; height: 1px; background: var(--accent); margin: 1.4rem auto 0; }

@media (max-width: 768px) {
  .section, .section-tight { padding: 3.5rem 1.5rem; }
}

/* SERVICIOS — 2x2 fixed grid with rotating background */
.servicios-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
  max-width: 1180px; margin: 0 auto;
}
.servicio-card {
  position: relative; overflow: hidden; border-radius: 2px;
  aspect-ratio: 4/3; text-decoration: none; display: block; cursor: pointer;
  isolation: isolate;
}
.servicio-card .sc-bg-img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transition: opacity 1.4s ease, transform 6s ease;
  transform: scale(1.02);
}
.servicio-card .sc-bg-img.active { opacity: 1; transform: scale(1.08); }
.servicio-card::after {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.25) 55%, rgba(0,0,0,0.35) 100%);
  transition: background var(--transition);
}
.servicio-card:hover::after { background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(10,10,10,0.35) 55%, rgba(0,0,0,0.45) 100%); }
.sc-content {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: 2rem 2.2rem;
}
.sc-number { font-size: 0.6rem; letter-spacing: 0.2em; color: var(--accent); margin-bottom: 0.6rem; }
.sc-title { font-family: 'Cormorant Garamond', serif; font-weight: 400; font-size: clamp(1.3rem, 2.2vw, 1.8rem); color: var(--white); letter-spacing: 0.02em; margin-bottom: 0.6rem; }
.sc-desc { font-size: 0.74rem; color: var(--light-gray); line-height: 1.75; max-width: 320px; }
.sc-link { display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 1.1rem; font-size: 0.62rem; letter-spacing: 0.2em; color: var(--white); transition: gap var(--transition-fast), color var(--transition-fast); }
.servicio-card:hover .sc-link { gap: 0.8rem; color: var(--accent); }

@media (max-width: 768px) {
  .servicios-grid { grid-template-columns: 1fr; }
  .servicio-card { aspect-ratio: 3/2; }
}

/* PROYECTOS */
.filter-bar {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem;
  margin-bottom: 3rem;
}
.filter-chip {
  padding: 0.6rem 1.3rem; font-size: 0.62rem; letter-spacing: 0.15em;
  border: 1px solid rgba(0,0,0,0.18); background: transparent; color: var(--mid-gray);
  cursor: pointer; transition: var(--transition-fast); text-transform: uppercase;
}
.filter-chip:hover { border-color: var(--black); color: var(--black); }
.filter-chip.active { background: var(--black); border-color: var(--black); color: var(--white); }

.projects-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem;
}
.project-card { position: relative; overflow: hidden; cursor: pointer; background: var(--black); border: none; text-align: left; padding: 0; display: block; width: 100%; }
.project-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform 0.8s var(--transition), filter 0.5s; filter: brightness(0.92); }
.project-card:hover .project-img { transform: scale(1.06); filter: brightness(1); }
.project-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.05) 55%); }
.project-info { position: absolute; left: 0; right: 0; bottom: 0; padding: 1.3rem 1.4rem; }
.project-name { font-size: 0.68rem; letter-spacing: 0.16em; color: var(--white); }
.project-type { font-size: 0.6rem; color: var(--accent); margin-top: 0.3rem; letter-spacing: 0.1em; }

@media (max-width: 980px) { .projects-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .projects-grid { grid-template-columns: 1fr; } }

/* LIGHTBOX / MODAL (shared: proyectos gallery + equipo bio) */
.lb-overlay {
  position: fixed; inset: 0; z-index: 2000; background: rgba(6,6,6,0.94);
  display: none; align-items: center; justify-content: center; padding: 2rem;
  opacity: 0; transition: opacity 0.35s ease;
}
.lb-overlay.open { display: flex; opacity: 1; }
.lb-close {
  position: absolute; top: 1.6rem; right: 1.8rem; background: none; border: none;
  color: var(--white); font-size: 1.6rem; line-height: 1; cursor: pointer; z-index: 3;
  width: 42px; height: 42px; display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.25); border-radius: 50%;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}
.lb-close:hover { border-color: var(--accent); color: var(--accent); }

.lb-gallery { position: relative; width: 100%; max-width: 1080px; }
.lb-stage { position: relative; width: 100%; aspect-ratio: 3/2; background: #000; overflow: hidden; }
.lb-stage img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; opacity: 0; transition: opacity 0.4s ease; }
.lb-stage img.active { opacity: 1; }
.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(0,0,0,0.4); border: 1px solid rgba(255,255,255,0.3); color: var(--white); width: 46px; height: 46px; border-radius: 50%; cursor: pointer; font-size: 1rem; display: flex; align-items: center; justify-content: center; transition: var(--transition-fast); }
.lb-nav:hover { border-color: var(--accent); color: var(--accent); }
.lb-prev { left: -1rem; } .lb-next { right: -1rem; }
.lb-caption { text-align: center; margin-top: 1.2rem; color: var(--light-gray); font-size: 0.68rem; letter-spacing: 0.14em; }
.lb-caption strong { color: var(--white); font-weight: 500; }
.lb-count { color: var(--accent); }

.lb-card {
  background: var(--off-white); max-width: 460px; width: 100%;
  padding: 2.6rem; position: relative; text-align: center;
}
.lb-card img { width: 128px; height: 128px; object-fit: cover; border-radius: 50%; margin: 0 auto 1.4rem; }
.lb-card h3 { font-size: 1.5rem; margin-bottom: 0.3rem; }
.lb-card .lb-role { font-size: 0.62rem; letter-spacing: 0.2em; color: var(--accent); margin-bottom: 1.2rem; text-transform: uppercase; }
.lb-card p { font-size: 0.78rem; line-height: 1.85; color: var(--mid-gray); }

@media (max-width: 768px) {
  .lb-nav { width: 38px; height: 38px; }
  .lb-prev { left: 0.3rem; } .lb-next { right: 0.3rem; }
  .lb-close { top: 1rem; right: 1rem; }
}

/* NOSOTROS */
.equipo-group-photo { width: 100%; aspect-ratio: 21/9; object-fit: cover; }
.equipo-mosaic {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem;
  max-width: 1180px; margin: 0 auto;
}
.equipo-person { background: none; border: none; padding: 0; cursor: pointer; text-align: left; font-family: inherit; }
.equipo-photo-wrap { position: relative; overflow: hidden; aspect-ratio: 1/1; }
.equipo-photo-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.equipo-person:hover .equipo-photo-wrap img { transform: scale(1.06); }
.equipo-photo-wrap::after {
  content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 45%);
  opacity: 0; transition: opacity var(--transition-fast);
}
.equipo-person:hover .equipo-photo-wrap::after { opacity: 1; }
.equipo-name { font-size: 0.72rem; letter-spacing: 0.08em; margin-top: 0.9rem; color: var(--off-black); }
.equipo-role { font-size: 0.62rem; color: var(--mid-gray); margin-top: 0.2rem; letter-spacing: 0.06em; }

@media (max-width: 900px) { .equipo-mosaic { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .equipo-mosaic { grid-template-columns: repeat(2, 1fr); gap: 1.6rem 1rem; } }

/* CONTACTO */
.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; max-width: 1180px; margin: 0 auto; align-items: start; }
.contact-info-item { display: flex; gap: 1rem; margin-bottom: 1.6rem; align-items: flex-start; }
.contact-info-item svg { flex-shrink: 0; margin-top: 3px; }
.contact-info-item h4 { font-size: 0.62rem; letter-spacing: 0.2em; color: var(--mid-gray); margin-bottom: 0.3rem; }
.contact-info-item p, .contact-info-item a { font-size: 0.85rem; color: var(--off-black); text-decoration: none; }
.contact-form { display: flex; flex-direction: column; gap: 1.1rem; }
.form-row { display: flex; flex-direction: column; gap: 0.5rem; }
.form-row label { font-size: 0.6rem; letter-spacing: 0.18em; color: var(--mid-gray); }
.form-row input, .form-row textarea {
  border: 1px solid rgba(0,0,0,0.18); background: transparent; padding: 0.85rem 1rem;
  font-family: 'Montserrat', sans-serif; font-size: 0.8rem; color: var(--off-black); outline: none;
  transition: border-color var(--transition-fast);
}
.form-row input:focus, .form-row textarea:focus { border-color: var(--accent); }
.form-row textarea { resize: vertical; min-height: 120px; }
.contact-map { width: 100%; aspect-ratio: 16/9; border: none; filter: grayscale(0.3); }

@media (max-width: 860px) { .contact-wrap { grid-template-columns: 1fr; gap: 3rem; } }

/* FOOTER */
footer.site-footer { background: var(--black); padding: 4rem 3rem 2rem; color: var(--light-gray); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand img { height: 34px; margin-bottom: 1rem; }
.footer-brand p { font-size: 0.7rem; line-height: 1.8; color: var(--mid-gray); max-width: 220px; }
.footer-socials { display: flex; gap: 1rem; margin-top: 1.5rem; }
.social-link {
  width: 34px; height: 34px; border: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  color: var(--light-gray); text-decoration: none; font-size: 0.65rem;
  transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}
.social-link:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }
.footer-col h4 { font-size: 0.58rem; letter-spacing: 0.25em; color: var(--white); margin-bottom: 1.2rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a { font-size: 0.7rem; color: var(--mid-gray); text-decoration: none; transition: color var(--transition-fast), padding-left var(--transition-fast); display: inline-block; }
.footer-col ul li a:hover { color: var(--white); padding-left: 4px; }
.contact-item { display: flex; align-items: flex-start; gap: 0.7rem; margin-bottom: 0.7rem; font-size: 0.7rem; color: var(--mid-gray); }
.contact-item svg { flex-shrink: 0; margin-top: 2px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 1.5rem; font-size: 0.62rem; color: var(--mid-gray); text-align: center; }

@media (max-width: 860px) {
  footer.site-footer { padding: 3rem 1.5rem 1.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.2rem; }
}
@media (max-width: 500px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* SCROLL REVEAL */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s var(--transition), transform 0.8s var(--transition); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { to { opacity: 1; } }

/* ============================================================
   FLOATING WIDGET — architect's compass
   ============================================================ */
.chat-widget { position: fixed; right: 1.6rem; bottom: 1.6rem; z-index: 1500; }
.chat-menu {
  position: absolute; bottom: 76px; right: 0;
  display: flex; flex-direction: column; gap: 0.6rem;
  opacity: 0; pointer-events: none; transform: translateY(12px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.chat-widget.open .chat-menu { opacity: 1; pointer-events: auto; transform: translateY(0); }
.chat-option {
  display: flex; align-items: center; gap: 0.7rem;
  background: var(--black); color: var(--white); border: 1px solid rgba(255,255,255,0.12);
  padding: 0.7rem 1.1rem; border-radius: 999px; text-decoration: none;
  font-size: 0.68rem; letter-spacing: 0.08em; white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0,0,0,0.28);
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  cursor: pointer; justify-content: flex-end;
}
.chat-option:hover { background: var(--dark-gray); border-color: var(--accent); transform: translateX(-3px); }
.chat-option .icon-circle { width: 26px; height: 26px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.chat-option.disabled { opacity: 0.55; cursor: default; }

.compass-toggle {
  width: 62px; height: 62px; border-radius: 50%;
  background: var(--black); border: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.compass-toggle:hover { border-color: var(--accent); transform: translateY(-2px); }
.compass-toggle svg { width: 30px; height: 30px; }
.compass-leg { transform-origin: 30px 10px; animation: compassBreathe 3.2s ease-in-out infinite; }
.compass-leg.right { animation-name: compassBreatheR; }
@keyframes compassBreathe { 0%, 100% { transform: rotate(-4deg); } 50% { transform: rotate(-10deg); } }
@keyframes compassBreatheR { 0%, 100% { transform: rotate(4deg); } 50% { transform: rotate(10deg); } }
.chat-widget.open .compass-toggle svg { animation: none; }
.chat-widget.open .compass-icon { transform: rotate(135deg); transition: transform var(--transition); }
.compass-icon { transition: transform var(--transition); }

.toast {
  position: fixed; bottom: 1.6rem; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--black); color: var(--white); padding: 0.9rem 1.6rem;
  font-size: 0.72rem; letter-spacing: 0.06em; border-radius: 999px; z-index: 3000;
  opacity: 0; pointer-events: none; transition: opacity var(--transition-fast), transform var(--transition-fast);
  border: 1px solid rgba(255,255,255,0.12);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

@media (max-width: 480px) {
  .chat-widget { right: 1rem; bottom: 1rem; }
  .compass-toggle { width: 54px; height: 54px; }
}