/* =========================================================
   Zuwil Lab — Landing Page
   Estética: fondo casi negro, tipografía blanca, acento cobrizo.
   ========================================================= */

:root {
  --bg: #0d0c0b;
  --bg-alt: #131211;
  --bg-card: #161512;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  --text: #f6f4ef;
  --text-muted: #9c988f;
  --text-dim: #6d6a63;

  --accent: #c9975a;
  --accent-bright: #e8bf8a;
  --accent-soft: rgba(201, 151, 90, 0.14);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container: 1360px;
  --gutter: clamp(1.5rem, 4vw, 4rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Textura de grano sutil sobre todo el fondo, para sensación premium */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.text-accent {
  color: var(--accent);
}

/* ---------- Chrome bar (imita ventana Mac) ---------- */
.chrome-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem var(--gutter);
  background: #0a0908;
  border-bottom: 1px solid var(--border);
}

.chrome-dots {
  display: flex;
  gap: 0.45rem;
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  opacity: 0.85;
}

.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.chrome-url {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
}

/* El desenfoque vive en un pseudo-elemento: backdrop-filter en .site-header
   crearía un containing block para position:fixed, rompiendo el overlay
   del menú móvil que cuelga dentro del header. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(13, 12, 11, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.35rem;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.logo-dot {
  color: var(--accent);
}

.main-nav {
  display: flex;
  gap: clamp(1.25rem, 2.2vw, 2.25rem);
}

.main-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  transition: color 0.25s var(--ease);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s var(--ease);
}

.main-nav a:hover {
  color: var(--text);
}

.main-nav a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 999px;
  white-space: nowrap;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
  border: 1px solid var(--text);
}

.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #14100a;
  transform: translateY(-1px);
}

/* ---------- Mobile nav toggle (solo CSS) ---------- */
.nav-toggle-label {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 26px;
  height: 20px;
  cursor: pointer;
}

.nav-toggle-label span,
.nav-toggle-label::before,
.nav-toggle-label::after {
  content: "";
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--text);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

/* ---------- Hero ---------- */
.hero {
  padding-block: clamp(3rem, 8vw, 6rem) clamp(4rem, 10vw, 7rem);
  position: relative;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: clamp(2.5rem, 5vw, 5rem);
}

.hero-title {
  font-size: clamp(2.6rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  margin-top: 1.75rem;
  max-width: 30rem;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--text-muted);
  font-weight: 400;
}

.hero-scroll-indicator {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-top: clamp(3rem, 7vw, 5rem);
  color: var(--text-dim);
}

.scroll-count {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.scroll-line {
  width: 48px;
  height: 1px;
  background: var(--border-strong);
}

.scroll-arrow {
  font-size: 1rem;
  color: var(--accent);
  animation: bob 2.2s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

/* ---------- Hero visual: esfera abstracta premium ---------- */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 460px;
  margin-inline: auto;
}

.orb {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 26%, #4a3822 0%, #241d14 30%, #100d09 62%, #0a0807 100%);
  box-shadow:
    inset -18px -22px 60px rgba(0, 0, 0, 0.85),
    inset 14px 16px 50px rgba(232, 191, 138, 0.12),
    0 0 90px rgba(201, 151, 90, 0.16);
  overflow: hidden;
}

.orb-highlight {
  position: absolute;
  top: 12%;
  left: 18%;
  width: 42%;
  height: 42%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 238, 210, 0.55) 0%, rgba(255, 238, 210, 0) 70%);
  filter: blur(6px);
}

.orb-glow {
  position: absolute;
  inset: -10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 151, 90, 0.18) 0%, rgba(201, 151, 90, 0) 65%);
  filter: blur(20px);
}

.orb-small {
  inset: auto;
  box-shadow:
    inset -8px -10px 24px rgba(0, 0, 0, 0.85),
    inset 6px 6px 18px rgba(232, 191, 138, 0.14),
    0 0 40px rgba(201, 151, 90, 0.14);
  animation: float 9s ease-in-out infinite;
}

.orb-small-a {
  top: 4%;
  right: 2%;
  width: 15%;
  height: 15%;
  animation-delay: -2s;
}

.orb-small-b {
  bottom: 8%;
  left: -2%;
  width: 10%;
  height: 10%;
  animation-delay: -5s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* ---------- Sections genéricas ---------- */
.section {
  padding-block: clamp(4rem, 9vw, 7rem);
  border-top: 1px solid var(--border);
}

.section-alt {
  background: var(--bg-alt);
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-heading h2,
.services-side h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* ---------- Proyectos ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
}

.project-card {
  cursor: pointer;
}

.project-media {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  margin-bottom: 1.5rem;
  overflow: hidden;
  background-image: url("imagenes.png");
  background-size: 200% 200%;
  background-repeat: no-repeat;
  box-shadow: inset 0 0 0 1px var(--border);
  transition: transform 0.5s var(--ease), filter 0.5s var(--ease);
}

.project-card:hover .project-media {
  transform: translateY(-4px);
  filter: brightness(1.08);
}

/* Cada tarjeta muestra un cuadrante de la cuadrícula 2x2 en imagenes.png */
.project-media-a { background-position: 0% 0%; }     /* superior izquierda — FinTrack */
.project-media-b { background-position: 100% 0%; }    /* superior derecha — MediConnect */
.project-media-c { background-position: 0% 100%; }    /* inferior izquierda — Urbanease */
.project-media-d { background-position: 100% 100%; }  /* inferior derecha — CodeWeave */

.project-info h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  transition: color 0.25s var(--ease);
}

.project-card:hover .project-info h3 {
  color: var(--accent);
}

.project-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 32rem;
}

/* ---------- Servicios ---------- */
.services-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.6fr;
  gap: clamp(2rem, 5vw, 4rem);
}

.services-side {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.asterisk {
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.services-list {
  display: flex;
  flex-direction: column;
}

.service-item {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding-block: 1.6rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.3s var(--ease);
}

.service-item:first-child {
  border-top: 1px solid var(--border);
}

.service-item:hover {
  border-color: var(--border-strong);
}

.service-index {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 600;
}

.service-name {
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  font-weight: 600;
  transition: color 0.25s var(--ease), transform 0.25s var(--ease);
}

.service-item:hover .service-name {
  color: var(--accent);
  transform: translateX(6px);
}

.service-icon {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--text-dim);
  transition: color 0.25s var(--ease), transform 0.3s var(--ease);
}

.service-item:hover .service-icon {
  color: var(--accent);
  transform: rotate(90deg);
}

/* ---------- Experiencia / confianza ---------- */
.trust-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.6fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.trust-number {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.big-number {
  font-size: clamp(4.5rem, 10vw, 8rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}

.big-number-label {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 500;
}

.trust-copy {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.55;
  max-width: 42rem;
}

/* ---------- Contacto ---------- */
.section-contact {
  background: var(--bg-alt);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
}

.contact-copy h2 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.contact-copy p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.1rem;
}

.contact-email {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 0.3rem;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.contact-email:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.contact-secondary {
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color 0.25s var(--ease);
}

.contact-secondary:hover {
  color: var(--text);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 1.75rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  transition: color 0.25s var(--ease);
}

.footer-links a:hover {
  color: var(--text);
}

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

@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    max-width: 320px;
  }

  .services-layout,
  .trust-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-links {
    align-items: flex-start;
  }
}

@media (max-width: 980px) {
  .nav-toggle-label {
    display: flex;
  }

  .main-nav {
    position: fixed;
    inset: 0;
    top: 0;
    z-index: 90;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 2rem;
    padding: 8rem var(--gutter) 3rem;
    background: var(--bg);
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
  }

  .main-nav a {
    font-size: 1.6rem;
    color: var(--text);
  }

  .nav-toggle-input:checked ~ .site-header .main-nav {
    transform: translateX(0);
  }

  .nav-toggle-input:checked ~ .site-header .nav-toggle-label span {
    background: transparent;
  }

  .nav-toggle-input:checked ~ .site-header .nav-toggle-label::before {
    transform: translateY(5px) rotate(45deg);
  }

  .nav-toggle-input:checked ~ .site-header .nav-toggle-label::after {
    transform: translateY(-5px) rotate(-45deg);
  }
}

@media (max-width: 640px) {
  .project-grid {
    grid-template-columns: 1fr;
  }

  .service-item {
    grid-template-columns: 2.2rem 1fr auto;
    gap: 1rem;
  }

  .chrome-url {
    display: none;
  }
}