/* ============================================================
   KA Estudio — Páginas interiores (servicios, contacto)
   Hereda tokens de colors_and_type.css + base de home.css.
   Reutiliza .nav, .btn, .eyebrow, .service-card del home.
   ============================================================ */

/* ---- layout helpers ---- */
.page-wrap { width: 100%; overflow-x: hidden; }
.pg-section {
  max-width: var(--ka-max);
  margin: 0 auto;
  padding: 0 var(--ka-gutter);
}
.pg-block { padding-top: 96px; padding-bottom: 96px; }
.pg-block--tight { padding-top: 72px; padding-bottom: 72px; }

/* ============================================================
   HERO interior
   ============================================================ */
.pg-hero {
  max-width: var(--ka-max);
  margin: 0 auto;
  padding: clamp(140px, 17vh, 210px) var(--ka-gutter) clamp(56px, 7vh, 88px);
}
.pg-hero-inner { max-width: 920px; display: flex; flex-direction: column; gap: 26px; }
.pg-hero h1 {
  margin: 0; font-weight: 400;
  font-size: clamp(46px, 6vw, 92px);
  line-height: 0.95; letter-spacing: -0.035em;
  text-transform: lowercase; text-wrap: pretty;
}
.pg-hero h1 em {
  font-style: italic;
  font-family: 'Instrument Serif', 'Times New Roman', serif;
  font-weight: 400; letter-spacing: -0.02em;
}
.pg-lede {
  margin: 0; font-size: clamp(16px, 1.3vw, 19px); line-height: 1.55;
  color: var(--ka-negro-600); max-width: 620px;
}

/* breadcrumb */
.pg-crumbs {
  display: flex; align-items: center; gap: 9px;
  font-size: 12px; letter-spacing: 0.04em; color: var(--ka-negro-400);
  text-transform: lowercase;
}
.pg-crumbs a { color: var(--ka-negro-400); transition: color .2s; }
.pg-crumbs a:hover { color: var(--ka-negro); }
.pg-crumbs .sep { opacity: 0.5; }
.pg-crumbs .here { color: var(--ka-negro); }

/* ============================================================
   SECTION HEADING (eyebrow + subtítulo lowercase + body)
   ============================================================ */
.pg-head { max-width: 720px; display: flex; flex-direction: column; gap: 16px; }
.pg-head h2 {
  margin: 0; font-weight: 400;
  font-size: clamp(30px, 3.4vw, 48px);
  line-height: 1.0; letter-spacing: -0.03em; text-transform: lowercase;
}
.pg-head p { margin: 0; font-size: 16px; line-height: 1.6; color: var(--ka-negro-600); }
.pg-head .eyebrow { white-space: normal; }

/* dark variant */
.pg-block--dark { background: var(--ka-negro); color: var(--ka-blanco); }
.pg-block--dark .pg-head h2 { color: var(--ka-blanco); }
.pg-block--dark .pg-head p { color: rgba(242,242,242,0.7); }

/* ============================================================
   NUMBERED PROCESS  (las tres etapas / cómo funciona)
   ============================================================ */
.pg-steps {
  margin-top: 48px;
  display: grid; gap: 1px;
  background: var(--ka-negro-100);
  border-top: 1px solid var(--ka-negro-100);
  border-bottom: 1px solid var(--ka-negro-100);
}
.pg-steps.cols-3 { grid-template-columns: repeat(3, 1fr); }
.pg-steps.cols-4 { grid-template-columns: repeat(4, 1fr); }
.pg-step {
  background: var(--ka-blanco);
  padding: 32px 28px 36px;
  display: flex; flex-direction: column; gap: 12px;
}
.pg-step-n {
  font-size: 13px; letter-spacing: 0.16em; color: var(--ka-celeste-700);
}
.pg-step h3 {
  margin: 0; font-size: 21px; line-height: 1.1; letter-spacing: -0.01em;
}
.pg-step p { margin: 0; font-size: 14px; line-height: 1.5; color: var(--ka-negro-600); }

/* ============================================================
   TIPOS DE PROYECTO  (cards lista)
   ============================================================ */
.pg-types { margin-top: 48px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.pg-type {
  border: 1px solid var(--ka-negro-100);
  border-radius: 20px;
  padding: 28px 28px 30px;
  background: var(--ka-blanco-000);
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color .26s var(--ease-out), transform .26s var(--ease-out);
}
.pg-type:hover { border-color: var(--ka-negro); transform: translateY(-3px); }
.pg-type h3 {
  margin: 0; font-size: 20px; line-height: 1.15; letter-spacing: -0.01em;
  display: flex; align-items: baseline; gap: 10px;
}
.pg-type h3 .dot {
  width: 7px; height: 7px; border-radius: 999px;
  background: var(--ka-celeste-700); flex-shrink: 0; transform: translateY(-2px);
}
.pg-type p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--ka-negro-600); }

/* ============================================================
   CHECKLIST  (qué incluye)
   ============================================================ */
.pg-includes {
  margin-top: 44px;
  list-style: none; padding: 0;
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 14px 40px;
}
.pg-includes li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 15px; line-height: 1.45;
  padding-bottom: 14px; border-bottom: 1px solid var(--ka-negro-100);
}
.pg-includes .check {
  width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 999px; background: var(--ka-celeste); color: var(--ka-negro);
  font-size: 10px;
}

/* ============================================================
   PLATAFORMAS  (Meta / TikTok / Google)
   ============================================================ */
.pg-platforms { margin-top: 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pg-plat {
  border: 1px solid rgba(242,242,242,0.18);
  border-radius: 18px; padding: 26px 24px 28px;
  display: flex; flex-direction: column; gap: 12px;
  background: rgba(242,242,242,0.03);
}
.pg-plat-name {
  font-size: 17px; letter-spacing: -0.01em;
  display: inline-flex; align-items: center; gap: 10px;
}
.pg-plat-name .sq {
  width: 9px; height: 9px; border-radius: 2px; background: var(--ka-celeste);
}
.pg-plat p { margin: 0; font-size: 14px; line-height: 1.55; color: rgba(242,242,242,0.7); }

/* ============================================================
   SPLIT  (texto a la izquierda, contenido a la derecha)
   ============================================================ */
.pg-split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
.pg-split .pg-head { max-width: 460px; }

/* ============================================================
   PLACEHOLDERS  (imágenes / videos que conecta el cliente)
   ============================================================ */
.ph {
  position: relative;
  overflow: hidden;
  background: radial-gradient(120% 120% at 50% 38%, #2c2c2c 0%, var(--ka-negro) 80%);
  display: flex; align-items: center; justify-content: center;
}
.ph img.ph-mark {
  width: 38%; max-width: 120px; height: auto; opacity: 0.55;
}
.ph .ph-tag {
  position: absolute; left: 12px; bottom: 12px; z-index: 2;
  font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(242,242,242,0.7);
}
/* play affordance — indica "reproducción al hover" */
.ph .ph-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%) scale(0.92);
  width: 54px; height: 54px; border-radius: 999px;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.45);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .28s var(--ease-out), transform .28s var(--ease-out);
  z-index: 3;
}
.ph .ph-play svg { width: 20px; height: 20px; fill: var(--ka-blanco); margin-left: 3px; }
.ph:hover .ph-play { opacity: 1; transform: translate(-50%,-50%) scale(1); }
.ph:hover .ph-mark { opacity: 0.32; }

/* light placeholder (work grid claro) */
.ph--light { background: #e7e7e7; }
.ph--light .ph-tag { color: var(--ka-negro-400); }
.ph--light .ph-play { background: rgba(31,31,31,0.12); border-color: rgba(31,31,31,0.3); }
.ph--light .ph-play svg { fill: var(--ka-negro); }

/* aspect ratios */
.ph-vert { aspect-ratio: 9 / 16; border-radius: 18px; }
.ph-horz { aspect-ratio: 16 / 9; border-radius: 18px; }

/* ---- feed grid (oscuro, vertical) ---- */
.pg-feed-grid {
  margin-top: 48px;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px;
}

/* ---- work grid (claro, horizontal) ---- */
.pg-work-grid {
  margin-top: 48px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.pg-feed-note, .pg-work-note {
  margin-top: 22px; font-size: 13px; line-height: 1.5;
  color: var(--ka-negro-400);
  display: inline-flex; align-items: center; gap: 8px;
}
.pg-block--dark .pg-feed-note { color: rgba(242,242,242,0.5); }

/* ============================================================
   CLOSING CTA  (hablemos)
   ============================================================ */
.pg-cta {
  position: relative; overflow: hidden;
  background: var(--ka-blanco);
  border-top: 1px solid var(--ka-negro-100);
}
.pg-cta-inner {
  max-width: 980px; margin: 0 auto;
  padding: clamp(80px, 12vh, 132px) var(--ka-gutter);
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 24px;
}
.pg-cta h2 {
  margin: 0; font-weight: 400;
  font-size: clamp(38px, 5vw, 76px);
  line-height: 0.96; letter-spacing: -0.035em; text-transform: lowercase;
}
.pg-cta h2 em {
  font-style: italic;
  font-family: 'Instrument Serif', 'Times New Roman', serif; font-weight: 400;
}
.pg-cta p { margin: 0; max-width: 520px; font-size: 17px; line-height: 1.55; color: var(--ka-negro-600); }
.pg-cta-pinwheel {
  position: absolute; right: 6%; top: 16%;
  width: 84px; height: 84px; opacity: 0.85;
  animation: ka-spin 22s linear infinite;
}
.pg-cta-sparkle {
  position: absolute; left: 7%; bottom: 18%;
  width: 54px; height: 54px;
  animation: ka-spin 14s linear infinite reverse;
}

/* ============================================================
   CONTACTO — formulario
   ============================================================ */
.contact-grid {
  max-width: var(--ka-max); margin: 0 auto;
  padding: 0 var(--ka-gutter) clamp(80px, 11vh, 128px);
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(40px, 6vw, 88px);
  align-items: start;
}
.contact-aside { display: flex; flex-direction: column; gap: 36px; position: sticky; top: 120px; }
.contact-info { display: flex; flex-direction: column; gap: 22px; }
.contact-info .ci-row { display: flex; flex-direction: column; gap: 4px; }
.contact-info .ci-label {
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ka-negro-400);
}
.contact-info .ci-value {
  font-size: 19px; letter-spacing: -0.01em; color: var(--ka-negro);
  display: inline-flex; align-items: center; gap: 8px; width: fit-content;
  transition: color .2s;
}
a.ci-value:hover { color: var(--ka-celeste-700); }
.contact-note { font-size: 14px; line-height: 1.55; color: var(--ka-negro-600); max-width: 320px; }

/* form card */
.contact-form {
  background: var(--ka-blanco-000);
  border: 1px solid var(--ka-negro-100);
  border-radius: 26px;
  padding: clamp(26px, 3vw, 40px);
  display: flex; flex-direction: column; gap: 20px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label {
  font-size: 12px; letter-spacing: 0.04em; color: var(--ka-negro-600);
  text-transform: none;
}
.field label .req { color: var(--ka-celeste-700); margin-left: 2px; }
.field input,
.field select,
.field textarea {
  font-family: inherit; font-size: 15px; color: var(--ka-negro);
  background: #ededed;
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 15px 16px;
  outline: none;
  transition: border-color .2s, background .2s, box-shadow .2s;
  width: 100%;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--ka-negro-400); }
.field select { appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238A8A8A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center;
  padding-right: 42px;
}
.field select.is-placeholder { color: var(--ka-negro-400); }
.field textarea { resize: vertical; min-height: 130px; line-height: 1.5; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  background: var(--ka-blanco-000);
  border-color: var(--ka-negro);
  box-shadow: 0 0 0 3px rgba(166,230,237,0.45);
}
.contact-form .btn-submit {
  margin-top: 6px;
  width: 100%; justify-content: center;
  padding: 17px 24px; font-size: 15px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .pg-feed-grid { grid-template-columns: repeat(4, 1fr); }
  .pg-split { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 900px) {
  .pg-types { grid-template-columns: 1fr; }
  .pg-steps.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .pg-work-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .contact-aside { position: static; }
}
@media (max-width: 700px) {
  :root { --ka-gutter: 22px; }
  .pg-block { padding-top: 64px; padding-bottom: 64px; }
  .pg-block--tight { padding-top: 52px; padding-bottom: 52px; }
  .pg-includes { grid-template-columns: 1fr; gap: 0; }
  .pg-includes li { padding: 14px 0; }
  .pg-steps.cols-3, .pg-steps.cols-4 { grid-template-columns: 1fr; }
  .pg-platforms { grid-template-columns: 1fr; }
  .pg-feed-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .pg-work-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .pg-cta-pinwheel { width: 50px; height: 50px; opacity: 0.5; }
  .pg-cta-sparkle { width: 34px; height: 34px; }
}

/* ---- estado de envío del formulario de contacto ---- */
.form-success {
  border: 1px solid rgba(31,31,31,0.12); border-radius: 16px;
  padding: 32px; background: #fff;
}
.form-success h3 { margin: 0 0 8px; font-size: clamp(20px, 2.2vw, 26px); }
.form-success p { margin: 0; opacity: 0.7; }
.form-error {
  margin: 14px 0 0; font-size: 14px; color: #b3261e;
}
.contact-form button.btn-submit:disabled { opacity: 0.6; cursor: default; }

/* ---- media de sección (GIFs de Plan Mensual) ---- */
.pg-media {
  margin-top: 32px;
  border-radius: 16px; overflow: hidden;
  max-width: 820px;
  background: var(--ka-negro-100, #eee);
}
.pg-media img { width: 100%; height: auto; display: block; }
.pg-media--dark { background: rgba(242,242,242,0.06); border: 1px solid rgba(242,242,242,0.10); }

/* ---- contacto: solo formulario, centrado ---- */
.contact-grid--single { display: block; }
.contact-form-wrap { max-width: 720px; margin: 0 auto; }

/* ================= PLAN MENSUAL — performance ================= */

/* --- tira de reels en movimiento (hero) --- */
.reel-strip {
  overflow: hidden; margin: 0 0 clamp(56px, 7vh, 88px);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}
.reel-track {
  display: flex; gap: 14px; width: max-content;
  animation: reelscroll 48s linear infinite;
}
.reel-strip:hover .reel-track { animation-play-state: paused; }
.reel-card {
  width: clamp(150px, 15vw, 196px); aspect-ratio: 9 / 16;
  border-radius: 18px; overflow: hidden; flex-shrink: 0;
  background: var(--ka-negro-100, #eee);
}
.reel-card video { width: 100%; height: 100%; object-fit: cover; display: block; }
@keyframes reelscroll { from { transform: translateX(0); } to { transform: translateX(-33.333%); } }

/* --- banda de métricas --- */
.metrics-band {
  background: var(--ka-negro); color: var(--ka-blanco);
  padding: 76px var(--ka-gutter);
}
.metrics-inner {
  max-width: var(--ka-max); margin: 0 auto;
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: center;
}
.metric-num {
  font-size: clamp(60px, 8vw, 116px); font-weight: 400;
  letter-spacing: -0.04em; line-height: 0.95; display: block;
}
.metric-num small { font-size: 0.5em; vertical-align: baseline; }
.metric-plus { color: var(--ka-celeste); }
.metric-label {
  display: block; margin-top: 14px; opacity: 0.62;
  font-size: 15px; line-height: 1.4; max-width: 320px;
}
.metric-notes p {
  margin: 0; font-size: clamp(19px, 2vw, 26px); line-height: 1.45; font-weight: 300;
}
.metric-notes strong { font-weight: 500; color: var(--ka-celeste); }

/* --- diagrama del sistema (loop) --- */
.system-loop {
  display: flex; align-items: stretch; justify-content: center;
  gap: 0; flex-wrap: wrap; margin-top: 44px; position: relative;
}
.loop-node {
  flex: 1 1 0; min-width: 210px; max-width: 300px;
  padding: 28px 26px; border: 1px solid var(--ka-negro-100);
  border-radius: 18px; display: flex; flex-direction: column; gap: 8px;
}
.loop-node .loop-n {
  font-size: 13px; letter-spacing: 0.04em; color: var(--ka-celeste); font-weight: 500;
}
.loop-node h3 { margin: 0; font-size: 22px; font-weight: 400; letter-spacing: -0.02em; text-transform: lowercase; }
.loop-node p { margin: 0; font-size: 14px; line-height: 1.5; opacity: 0.7; }
.loop-arrow {
  display: flex; align-items: center; padding: 0 14px;
  color: var(--ka-celeste); font-size: 26px; flex-shrink: 0;
}
.loop-return {
  flex-basis: 100%; text-align: center; margin-top: 26px;
  font-size: 14px; letter-spacing: 0.02em; color: var(--ka-celeste);
}

@media (max-width: 860px) {
  .metrics-inner { grid-template-columns: 1fr; gap: 28px; }
  .system-loop { flex-direction: column; align-items: stretch; gap: 0; }
  .loop-node { max-width: none; }
  .loop-arrow { transform: rotate(90deg); padding: 10px 0; justify-content: center; }
  .reel-card { width: clamp(130px, 40vw, 170px); }
}

/* --- bloques a dos columnas (texto | gif) --- */
.pg-twocol {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
  max-width: var(--ka-max); margin: 0 auto;
}
.pg-twocol-media { display: flex; justify-content: center; }
.pg-twocol-media img {
  width: 100%; max-width: 420px; border-radius: 16px; display: block;
  background: var(--ka-negro-100, #eee);
}
.pg-block--dark .pg-twocol-media img { background: rgba(242,242,242,0.06); border: 1px solid rgba(242,242,242,0.10); }
.pg-twocol--rev .pg-twocol-text { order: 2; }
.pg-twocol--rev .pg-twocol-media { order: 1; }

/* --- El Sistema: cajas izquierda, gif vertical derecha --- */
.system-wrap {
  display: grid; grid-template-columns: 1.35fr 0.65fr; gap: 52px; align-items: center;
  max-width: var(--ka-max); margin: 0 auto;
}
.system-right { display: flex; justify-content: center; }
.system-gif {
  width: 100%; max-width: 280px; aspect-ratio: 9 / 16; object-fit: cover;
  border-radius: 18px; display: block; background: var(--ka-negro-100, #eee);
}
/* loop en vertical dentro de la columna izquierda */
.system-left .system-loop { flex-direction: column; align-items: stretch; margin-top: 32px; }
.system-left .loop-node { max-width: none; }
.system-left .loop-arrow { transform: rotate(90deg); padding: 8px 0; justify-content: flex-start; padding-left: 26px; }
.system-left .loop-return { text-align: left; }

@media (max-width: 860px) {
  .pg-twocol { grid-template-columns: 1fr; gap: 24px; }
  .pg-twocol-media img { max-width: 300px; }
  .pg-twocol--rev .pg-twocol-text { order: 0; }
  .pg-twocol--rev .pg-twocol-media { order: 0; }
  .system-wrap { grid-template-columns: 1fr; gap: 32px; }
  .system-gif { max-width: 240px; }
}