/* ==========================================================================
   Azzenda — Landing page
   Identidad: base clara (hueso), texto tinta, gris secundario, azul marino
   como acento fuerte en bloques grandes de color (no solo botones).
   Sin degradés. Sin sombras. Sin efectos decorativos.
   ========================================================================== */

:root {
  --bone: #faf9f6;
  --ink: #06070a;
  --gray: #6f6d66;
  --navy: #1f3a5f;
  --navy-strong: #28496f;
  --border-on-light: rgba(6, 7, 10, 0.14);
  --border-on-navy: rgba(250, 249, 246, 0.22);

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Sora", system-ui, sans-serif;

  --container: 1120px;
  --radius: 4px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bone);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 14px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-navy {
  background: var(--navy);
  color: var(--bone);
  border-color: var(--navy);
}

.btn-navy:hover {
  background: var(--navy-strong);
  border-color: var(--navy-strong);
}

.btn-bone {
  background: var(--bone);
  color: var(--navy);
  border-color: var(--bone);
}

.btn-bone:hover {
  background: transparent;
  color: var(--bone);
  border-color: var(--bone);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--border-on-light);
}

.btn-outline:hover {
  border-color: var(--ink);
}

.btn-block {
  width: 100%;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bone);
  border-bottom: 1px solid var(--border-on-light);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 18px;
  padding-bottom: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--ink);
}

.brand img {
  height: 26px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a:not(.btn) {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--gray);
}

.nav-links a:not(.btn):hover {
  color: var(--ink);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
}

/* ---------- Section scaffolding ---------- */

section {
  padding: 96px 0;
}

.section-head {
  max-width: 620px;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: clamp(26px, 3.2vw, 36px);
}

/* ---------- Hero ---------- */

.hero {
  padding: 130px 0 100px;
  border-bottom: 1px solid var(--border-on-light);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(32px, 4.2vw, 46px);
  margin-bottom: 24px;
}

.hero p {
  font-size: 18px;
  color: var(--gray);
  max-width: 520px;
  margin-bottom: 36px;
}

/* ---------- Hero visual: bloque azul marino con un panel de producto (SVG original, flat) ---------- */

.hero-visual-card {
  border-radius: var(--radius);
  background: var(--navy);
  overflow: hidden;
}

.hvc-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-on-navy);
}

.hvc-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--bone);
}

.hvc-tag .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--bone);
  flex-shrink: 0;
}

.hvc-meta {
  margin-left: auto;
  font-size: 12.5px;
  color: rgba(250, 249, 246, 0.65);
}

.hvc-map {
  display: block;
  width: 100%;
  height: auto;
}

.grid-dot {
  fill: var(--border-on-navy);
}

.route-path {
  fill: none;
  stroke: rgba(250, 249, 246, 0.55);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 2 7;
}

.node-checked {
  fill: var(--bone);
}

.node-pending {
  fill: none;
  stroke: var(--bone);
  stroke-width: 2;
  stroke-dasharray: 2 3;
}

.milestone-marker {
  fill: var(--bone);
}

.hvc-footer {
  display: flex;
  border-top: 1px solid var(--border-on-navy);
}

.hvc-stat {
  flex: 1;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.hvc-stat:first-child {
  border-right: 1px solid var(--border-on-navy);
}

.hvc-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--bone);
}

.hvc-label {
  font-size: 12px;
  color: rgba(250, 249, 246, 0.65);
}

/* ---------- Servicios ---------- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-on-light);
  border: 1px solid var(--border-on-light);
}

.service-card {
  background: var(--bone);
  padding: 32px 28px;
}

.service-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--navy);
  color: var(--bone);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-icon svg {
  width: 20px;
  height: 20px;
}

.service-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 15px;
  color: var(--gray);
}

/* ---------- Cómo trabajamos (bloque azul marino completo) ---------- */

.process {
  background: var(--navy);
}

.process .eyebrow {
  color: rgba(250, 249, 246, 0.7);
}

.process .section-head h2 {
  color: var(--bone);
}

.process .section-head p {
  color: rgba(250, 249, 246, 0.75);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.process-step {
  border-left: 2px solid var(--border-on-navy);
  padding-left: 20px;
}

.process-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: rgba(250, 249, 246, 0.55);
  margin-bottom: 10px;
  display: block;
}

.process-step h3 {
  color: var(--bone);
  font-size: 17px;
  margin-bottom: 8px;
}

.process-step p {
  color: rgba(250, 249, 246, 0.75);
  font-size: 14.5px;
}

/* ---------- Por qué Azzenda ---------- */

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.why-item {
  border-left: 2px solid var(--navy);
  padding-left: 24px;
}

.why-item p {
  font-size: 17px;
  color: var(--ink);
}

/* ---------- Estimador interactivo ---------- */

.estimator-box {
  border: 1px solid var(--border-on-light);
  border-radius: var(--radius);
  background: #f2efe8;
  padding: 44px 40px;
  max-width: 820px;
}

.estimator-step {
  margin-bottom: 28px;
}

.estimator-step:last-of-type {
  margin-bottom: 0;
}

.estimator-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 14px;
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  background: var(--bone);
  color: var(--ink);
  border: 1px solid var(--border-on-light);
  border-radius: 100px;
  padding: 10px 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13.5px;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.chip:hover {
  border-color: var(--navy);
}

.chip[aria-pressed="true"] {
  background: var(--navy);
  color: var(--bone);
  border-color: var(--navy);
}

.estimator-summary {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--border-on-light);
}

.estimator-summary-label {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 6px;
}

.estimator-summary-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 20px;
}

/* ---------- Preguntas frecuentes (acordeón, solo CSS + <details>) ---------- */

.faq-list {
  border-top: 1px solid var(--border-on-light);
  max-width: 760px;
}

.faq-item {
  border-bottom: 1px solid var(--border-on-light);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 2px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16.5px;
  color: var(--ink);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::marker {
  content: "";
}

.faq-item summary:hover .faq-q {
  color: var(--navy);
}

.faq-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--navy);
  top: 50%;
  left: 50%;
}

.faq-icon::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease;
}

.faq-item[open] .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-a {
  padding: 0 34px 24px 2px;
  color: var(--gray);
  font-size: 15px;
  max-width: 640px;
}

/* ---------- Contacto (fondo azul marino completo) ---------- */

.contact {
  background: var(--navy);
  border-top: 1px solid var(--border-on-navy);
}

.contact .eyebrow {
  color: rgba(250, 249, 246, 0.65);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.contact-info h2 {
  color: var(--bone);
  font-size: clamp(26px, 3.2vw, 34px);
  margin-bottom: 16px;
}

.contact-info p {
  color: rgba(250, 249, 246, 0.75);
  font-size: 16px;
  max-width: 420px;
}

.contact-form {
  background: var(--bone);
  border-radius: var(--radius);
  padding: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field {
  margin-bottom: 20px;
}

.field label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 7px;
}

.field .optional {
  font-weight: 400;
  color: var(--gray);
}

.field input,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--border-on-light);
  border-radius: var(--radius);
  padding: 12px 14px;
  transition: border-color 0.15s ease;
}

.field textarea {
  resize: vertical;
  min-height: 100px;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--navy);
}

.field input.invalid,
.field textarea.invalid {
  border-color: #b2452f;
}

.field-error {
  display: none;
  font-size: 12.5px;
  color: #b2452f;
  margin-top: 6px;
}

.field.has-error .field-error {
  display: block;
}

.form-status {
  display: none;
  font-size: 14px;
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border-on-light);
}

.form-status.visible {
  display: block;
}

.form-status.success {
  color: var(--ink);
  background: var(--bone);
  border-color: var(--navy);
}

.form-status.error {
  color: #7a2a1a;
  background: var(--bone);
  border-color: #b2452f;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-on-light);
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.site-footer p {
  font-size: 13px;
  color: var(--gray);
}

/* ---------- Responsive ---------- */

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

  .hero-visual-card {
    max-width: 480px;
  }
}

@media (max-width: 900px) {
  .services-grid,
  .process-grid,
  .why-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .process-grid {
    gap: 28px;
  }

  .why-grid {
    gap: 28px;
  }

  .contact-grid {
    gap: 40px;
  }
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bone);
    border-bottom: 1px solid var(--border-on-light);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px 24px 22px;
  }

  .site-header.nav-open {
    position: relative;
  }

  .site-header.nav-open .nav-links {
    display: flex;
  }

  .nav-links a:not(.btn) {
    padding: 10px 0;
  }

  .nav-links .btn {
    margin-top: 8px;
  }

  .nav-toggle {
    display: flex;
  }

  section {
    padding: 64px 0;
  }

  .hero {
    padding: 96px 0 64px;
  }

  .estimator-box {
    padding: 28px 22px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contact-form {
    padding: 24px;
  }

  .site-footer .container {
    flex-direction: column;
    align-items: flex-start;
  }
}