/* =========================================================
   ESTUDIO PEIRANO — Section styles
   Servicios (S1) · Proceso (P1) · Sobre mí (A1)
   Diferenciales (D2) · Contacto (C3)
   ========================================================= */

/* =========================================================
   SERVICIOS — S1 · Editorial Index
   ========================================================= */
.services {
  padding: 80px 0 0;
}

.services-intro {
  padding-bottom: 56px;
  border-bottom: 1px solid var(--gray-rule);
  position: relative;
}
.services-intro-meta {
  position: absolute;
  top: 0; right: var(--container-pad);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-quiet);
  display: none;
}

.services-block {
  padding: 72px 0 80px;
}
.services-block--light { background: var(--paper); }
.services-block--dark {
  background: var(--navy);
  color: var(--off-white);
}

.services-block-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.services-block-header {
  max-width: 480px;
}
.services-block-aside-meta {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-rule);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-quiet);
}
.services-block--dark .services-block-aside-meta {
  border-top-color: rgba(255,255,255,0.1);
  color: rgba(168, 180, 196, 0.7);
}

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

.service-card {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 0 16px;
  padding: 22px 0;
  border-top: 1px solid var(--gray-rule);
  position: relative;
  transition: padding var(--transition), background var(--transition);
}
.service-card:last-child { border-bottom: 1px solid var(--gray-rule); }

.services-block--dark .service-card { border-top-color: rgba(255,255,255,0.1); }
.services-block--dark .service-card:last-child { border-bottom-color: rgba(255,255,255,0.1); }

.service-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gold);
  line-height: 1.5;
  grid-row: span 2;
}

.service-card h4 {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.012em;
  color: var(--navy);
  margin: 0 0 6px;
  line-height: 1.3;
}
.services-block--dark .service-card h4 { color: var(--white); }

.service-card p {
  font-size: 14.5px;
  color: var(--gray-text);
  margin: 0;
  line-height: 1.55;
  letter-spacing: -0.003em;
}
.services-block--dark .service-card p { color: var(--gray-on-dark); }


/* =========================================================
   PROCESO — P1 · Hairline Timeline
   ========================================================= */
.process {
  padding: 88px 0;
  background: var(--paper);
}

.process-rule {
  display: none;
}

.process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.process-step {
  position: relative;
  padding: 24px 0;
  border-top: 1px solid var(--gray-rule);
  transition: padding var(--transition);
}
.process-step:last-child {
  border-bottom: 1px solid var(--gray-rule);
}

.process-step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 14px;
  height: 1px;
  background: var(--gold);
  transition: width 280ms cubic-bezier(.2,.7,.2,1);
}
.process-step:hover::before { width: 56px; }

.process-number {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.process-number::after {
  content: "";
  width: 24px; height: 1px;
  background: rgba(201, 168, 106, 0.4);
}

.process-step h3 {
  font-size: 19px;
  font-weight: 600;
  margin: 0 0 8px;
  letter-spacing: -0.014em;
  color: var(--navy);
  line-height: 1.25;
}

.process-step p {
  font-size: 15px;
  color: var(--gray-text);
  margin: 0;
  line-height: 1.55;
  letter-spacing: -0.003em;
}

.process-foot {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--gray-rule);
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-quiet);
}
.process-foot strong {
  color: var(--navy);
  font-weight: 500;
  font-family: var(--font-sans);
  letter-spacing: -0.003em;
  font-size: 13px;
  text-transform: none;
}


/* =========================================================
   SOBRE MÍ — A1 · Bio Letterhead
   ========================================================= */
.about {
  padding: 96px 0 88px;
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.about-visual {
  order: -1;
  max-width: 320px;
  margin: 0 0 12px;
}

.about-photo-placeholder {
  background: linear-gradient(180deg, #F0F0EA 0%, #E8E8E1 100%);
  aspect-ratio: 4 / 5;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-rule);
  margin-bottom: 12px;
}
.about-photo-placeholder img {
  width: 50%;
  max-width: 200px;
  opacity: 0.5;
  filter: saturate(0);
  position: relative;
  z-index: 1;
}
.about-photo-placeholder::before,
.about-photo-placeholder::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border: 1px solid var(--gold);
}
.about-photo-placeholder::before {
  top: 14px; left: 14px;
  border-right: 0; border-bottom: 0;
}
.about-photo-placeholder::after {
  bottom: 14px; right: 14px;
  border-left: 0; border-top: 0;
}

.about-photo-caption {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-quiet);
  padding-top: 4px;
}
.about-photo-caption strong {
  color: var(--navy);
  font-weight: 500;
  font-family: var(--font-sans);
  letter-spacing: -0.003em;
  text-transform: none;
  font-size: 12.5px;
}

.about-content { min-width: 0; }

.about-name {
  font-family: var(--font-sans);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -0.032em;
  color: var(--navy);
  margin: 0 0 14px;
  text-wrap: balance;
}
.about-name .accent {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.018em;
}

.about-role {
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--navy) !important;
  font-weight: 500;
  margin: 0 0 28px !important;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-rule);
  letter-spacing: -0.005em;
}

.about-bio { margin: 0 0 40px; display: flex; flex-direction: column; gap: 16px; }
.about-bio p {
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.7;
  color: var(--gray-text);
  margin: 0;
  max-width: 60ch;
}

.about-highlights {
  display: flex;
  flex-direction: column;
}
.about-highlights li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--gray-rule);
  align-items: baseline;
  font-size: 15px;
  color: var(--navy);
  font-weight: 500;
  letter-spacing: -0.005em;
  line-height: 1.45;
  transition: padding var(--transition), background var(--transition);
}
.about-highlights li:last-child { border-bottom: 1px solid var(--gray-rule); }
.about-highlights li::before {
  content: attr(data-n);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gold);
}


/* =========================================================
   DIFERENCIALES — D2 · Editorial Manifesto (dark)
   ========================================================= */
.differentiators {
  padding: 96px 0;
  background: var(--navy);
  color: var(--off-white);
}

.differentiators-header {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-bottom: 32px;
  align-items: end;
}
.differentiators-header-meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}

.diff-grid {
  display: flex;
  flex-direction: column;
}

.diff-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 0 18px;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  transition: padding var(--transition), background var(--transition);
}
.diff-item:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.1); }

.diff-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--gold);
  line-height: 1;
  grid-row: span 2;
}
.diff-num .of {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.4);
  font-weight: 500;
  text-transform: uppercase;
  display: block;
  margin-top: 4px;
}

.diff-item h3 {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.016em;
  color: var(--white);
  margin: 0;
  line-height: 1.22;
  text-wrap: balance;
}
.diff-item h3 .accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.012em;
  color: var(--gold-soft);
}

.diff-item p {
  grid-column: 2 / -1;
  font-size: 14.5px;
  color: rgba(244, 244, 240, 0.7);
  margin: 6px 0 0;
  line-height: 1.55;
  letter-spacing: -0.003em;
}


/* =========================================================
   CONTACTO — C3 · Architectural Aside
   ========================================================= */
.contact {
  padding: 96px 0;
  background: var(--paper);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.contact-aside { min-width: 0; }
.contact-aside-rule {
  width: 32px;
  height: 1px;
  background: var(--gold);
  margin: 32px 0 24px;
}

.contact-channels-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.contact-channels-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--gray-rule);
}

.contact-channel {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-rule);
  text-decoration: none;
  color: var(--navy);
  transition: padding var(--transition);
}
.contact-channel:hover { padding-left: 6px; }
.contact-channel .lbl {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-quiet);
}
.contact-channel .val {
  font-size: 15px;
  color: var(--navy);
  font-weight: 500;
  letter-spacing: -0.005em;
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 720px;
}

.contact-form-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-deep);
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 -4px;
}
.contact-form-eyebrow::before {
  content: "";
  width: 16px; height: 1px;
  background: var(--gold);
}

.honeypot {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-field label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-quiet);
}
.form-field input,
.form-field textarea {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--navy);
  border: 0;
  border-bottom: 1px solid var(--gray-rule);
  background: transparent;
  padding: 10px 0 12px;
  outline: none;
  transition: border-color var(--transition), padding var(--transition);
  letter-spacing: -0.003em;
  width: 100%;
}
.form-field textarea {
  min-height: 100px;
  resize: vertical;
  line-height: 1.5;
}
.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--gray-quiet);
  opacity: 0.55;
}
.form-field input:focus,
.form-field textarea:focus {
  border-bottom-color: var(--navy);
  padding-bottom: 11px;
  border-bottom-width: 2px;
}
.form-field.has-error input,
.form-field.has-error textarea {
  border-bottom-color: var(--error-red);
}
.form-field.has-error input:focus,
.form-field.has-error textarea:focus {
  border-bottom-color: var(--error-red);
  box-shadow: none;
}

.form-error {
  display: none;
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--error-red);
  line-height: 1.4;
  margin-top: 2px;
  letter-spacing: -0.003em;
}
.form-field.has-error .form-error { display: block; }

.form-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-rule);
}

.form-privacy {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-quiet);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  line-height: 1.5;
}
.form-privacy::before {
  content: "";
  width: 12px; height: 1px;
  background: var(--gold);
  flex-shrink: 0;
}

.form-status {
  font-family: var(--font-sans);
  font-size: 14px;
  margin: 4px 0 0;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  display: none;
  line-height: 1.5;
  letter-spacing: -0.003em;
}
.form-status.is-success {
  display: block;
  background: rgba(39, 174, 96, 0.08);
  color: var(--success-green);
  border: 1px solid rgba(39, 174, 96, 0.2);
}
.form-status.is-error {
  display: block;
  background: rgba(192, 57, 43, 0.06);
  color: var(--error-red);
  border: 1px solid rgba(192, 57, 43, 0.2);
}


/* ===== Optional refinements (toggled via tweaks) ===== */

/* Drop cap on first about bio paragraph */
.about-bio.drop-cap p:first-child::first-letter {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(48px, 5vw, 64px);
  line-height: 0.85;
  float: left;
  padding: 8px 14px 0 0;
  color: var(--navy);
}

/* Service marker — gold pin next to number */
.services-list.with-markers .service-card .service-num::after {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  margin-left: 8px;
  vertical-align: 2px;
  opacity: 0.7;
}
.services-block--dark .services-list.with-markers .service-card .service-num::after {
  opacity: 0.9;
}

/* Process timeline animation: rule grows from 0 to full width on reveal */
@media (min-width: 1025px) {
  .process-rule.animate-on-reveal {
    transform-origin: left center;
    transform: scaleX(0);
    transition: transform 1100ms cubic-bezier(.2,.7,.2,1) 200ms;
  }
  .process-rule.animate-on-reveal.is-visible {
    transform: scaleX(1);
  }
  .process-steps.animate-on-reveal .process-step::before {
    width: 0;
  }
  .process-steps.animate-on-reveal .process-step.is-visible::before {
    width: 14px;
  }
}

/* Active nav link underline (scrollspy) */
.nav-links a:not(.btn) {
  position: relative;
  padding: 6px 0;
}
.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 280ms cubic-bezier(.2,.7,.2,1);
}
.nav-links a:not(.btn).is-active::after {
  transform: scaleX(1);
}


/* =========================================================
   RESPONSIVE — sections
   ========================================================= */

@media (min-width: 640px) {
  .services { padding: 96px 0 0; }
  .services-block { padding: 88px 0 96px; }

  .process { padding: 112px 0; }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 0 1px;
    background: var(--gray-rule);
  }
  .process-step {
    background: var(--paper);
    padding: 28px 24px 28px 0;
  }
  .process-step:nth-child(even) {
    padding-left: 24px;
    padding-right: 0;
  }
  /* hide vertical dividers visually via background trick — let hairlines do the work */

  .about { padding: 112px 0; }
  .about-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-visual { max-width: 360px; }

  .differentiators { padding: 112px 0; }
  .differentiators-header {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
  .differentiators-header-meta {
    text-align: right;
    padding-bottom: 8px;
  }

  .diff-item {
    grid-template-columns: 90px 1fr 1.1fr;
    gap: 36px;
    padding: 32px 0;
    align-items: baseline;
  }
  .diff-item p {
    grid-column: auto;
    margin: 0;
    max-width: 46ch;
  }
  .diff-num { font-size: 32px; grid-row: auto; }
  .diff-num .of { display: inline; margin: 0 0 0 6px; }
  .diff-item h3 { font-size: 22px; }

  .contact { padding: 112px 0; }
  .form-actions {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
  }
}

@media (min-width: 1025px) {
  .services { padding: 128px 0 0; }
  .services-intro-meta { display: block; }
  .services-block { padding: 104px 0 112px; }
  .services-block-inner {
    grid-template-columns: 340px 1fr;
    gap: 88px;
  }
  .services-block-header {
    position: sticky;
    top: 120px;
    max-width: none;
  }
  .service-card {
    grid-template-columns: 56px 1fr 1.4fr;
    gap: 32px;
    padding: 26px 0;
    align-items: baseline;
  }
  .service-card h4 { font-size: 19px; margin: 0; }
  .service-card p { font-size: 15.5px; max-width: 56ch; }
  .service-num { grid-row: auto; font-size: 12.5px; }

  .process { padding: 144px 0; }
  .process-rule {
    display: block;
    height: 1px;
    background: var(--gray-rule);
    margin: 0 0 0;
  }
  .process-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 36px;
    background: transparent;
  }
  .process-step {
    padding: 28px 24px 0 0;
    background: transparent;
    border-bottom: 0 !important;
  }
  .process-step:nth-child(even) {
    padding-left: 0;
    padding-right: 24px;
  }
  .process-step h3 { font-size: 21px; }
  .process-step p { max-width: 30ch; font-size: 15.5px; }
  .process-foot {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    margin-top: 56px;
  }

  .about { padding: 144px 0; }
  .about-inner {
    grid-template-columns: 380px 1fr;
    gap: 88px;
    align-items: start;
  }
  .about-visual {
    order: 0;
    position: sticky;
    top: 120px;
    max-width: none;
  }
  .about-highlights li {
    grid-template-columns: 56px 1fr;
    gap: 24px;
    padding: 16px 0;
    font-size: 16px;
  }

  .differentiators { padding: 144px 0; }
  .differentiators-header { margin-bottom: 8px; }

  .contact { padding: 144px 0; }
  .contact-inner {
    grid-template-columns: 380px 1fr;
    gap: 96px;
  }
  .contact-aside {
    position: sticky;
    top: 120px;
  }
  .contact-form {
    gap: 28px;
    max-width: none;
  }
  .contact-form .form-field input,
  .contact-form .form-field textarea {
    font-size: 18px;
    padding: 13px 0 15px;
  }
  .contact-form .form-field textarea { min-height: 130px; }
}