/* ===== Variables ===== */
:root {
  --color-primary: #163a7a;
  --color-primary-dark: #0d2455;
  --color-accent: #f0a500;
  --color-text: #2b2b2b;
  --color-text-light: #6b6b6b;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f6f8;
  --color-border: #e2e4e8;
  --radius: 8px;
  --max-width: 1140px;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 {
  line-height: 1.25;
  margin: 0 0 16px;
}

.script-accent {
  font-family: "Playfair Display", serif;
  font-style: italic;
  font-weight: 400;
  color: var(--color-accent);
}

h2 {
  font-size: 2rem;
}

.section {
  padding: 64px 0;
}

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

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 40px;
}

.section-header p {
  color: var(--color-text-light);
}

.eyebrow {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 8px;
}

/* ===== Botones ===== */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: #c07f23;
}

.btn-outline {
  border-color: #fff;
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-secondary {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ===== Franja de marca ===== */
.brand-stripe {
  height: 6px;
  background: repeating-linear-gradient(
    45deg,
    var(--color-accent) 0 10px,
    #1a1a1a 10px 20px
  );
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
}

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

.logo-img {
  height: 64px;
  width: auto;
  display: block;
}

.footer-logo-img {
  height: 105px;
  width: auto;
  display: block;
  margin-bottom: 14px;
}

/* ===== Iconos ===== */
.icon-svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: middle;
  flex-shrink: 0;
}

.icon-svg-fill {
  width: 20px;
  height: 20px;
  fill: currentColor;
  stroke: none;
  vertical-align: middle;
  flex-shrink: 0;
}

.nav-phone {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.icon-circle .icon-svg {
  width: 26px;
  height: 26px;
}

.contact-info-card .icon {
  color: var(--color-accent);
}

.footer-grid li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-grid li .icon-svg {
  color: var(--color-accent);
}

.form-success .icon-svg {
  width: 48px;
  height: 48px;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-weight: 500;
  color: var(--color-text);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-phone {
  font-weight: 600;
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
}

/* ===== Hero a pantalla completa (home) ===== */
.hero-home {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}

.hero-home-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-home-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(13, 36, 85, 0.93) 0%, rgba(13, 36, 85, 0.8) 45%, rgba(13, 36, 85, 0.45) 100%);
  z-index: 1;
}

.hero-home-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2ecc71;
}

.underline-accent {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 10'%3E%3Cpath d='M0,9 C40,9 70,2 130,2 C165,2 185,5 200,5 L200,10 L0,10 Z' fill='%23f0a500'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% auto;
  padding-bottom: 8px;
}

.rating-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--color-text);
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 28px;
}

.rating-badge .stars {
  color: var(--color-accent);
  letter-spacing: 1px;
}

.btn-whatsapp {
  background: #128c7e;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-whatsapp:hover {
  background: #0f6b5f;
}

/* ===== Cómo trabajamos / garantías ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.process-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}

.process-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--color-primary-dark);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.process-icon .icon-svg {
  width: 24px;
  height: 24px;
}

.process-guarantee {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--color-border);
  color: #b23b3b;
  font-weight: 600;
  font-size: 0.9rem;
}

/* ===== Barra CTA fija (móvil) ===== */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: none;
  gap: 10px;
  background: #fff;
  border-top: 1px solid var(--color-border);
  padding: 10px 16px;
  z-index: 60;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
}

.sticky-cta a {
  flex: 1;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* ===== Microinteracciones ===== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: none;
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  padding: 90px 0;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: 2.6rem;
}

.hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
}

.hero-stats div {
  text-align: left;
}

.hero-stats strong {
  display: block;
  font-size: 1.8rem;
  color: var(--color-accent);
}

.hero-stats span {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
}

.hero-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ===== Tarjetas de servicio ===== */
.grid {
  display: grid;
  gap: 28px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.card-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.card h3 {
  font-size: 1.15rem;
}

.card p {
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.card-link {
  font-weight: 600;
  color: var(--color-accent);
}

/* ===== Proyectos / galería ===== */
.project-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: #fff;
}

.project-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.project-card-body {
  padding: 18px 20px;
}

.project-tag {
  display: inline-block;
  background: var(--color-bg-alt);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}

/* ===== Testimonios ===== */
.testimonial {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}

.testimonial-stars {
  color: var(--color-accent);
  margin-bottom: 12px;
}

.testimonial-author {
  margin-top: 16px;
  font-weight: 600;
}

.testimonial-author span {
  display: block;
  font-weight: 400;
  color: var(--color-text-light);
  font-size: 0.9rem;
}

/* ===== Zonas ===== */
.zones-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.zones-list span {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
}

/* ===== CTA banda ===== */
.cta-band {
  background: var(--color-accent);
  color: #fff;
  text-align: center;
}

.cta-band h2 {
  margin-bottom: 8px;
}

.cta-band p {
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.9);
}

/* ===== Formulario ===== */
.form-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
}

.form-progress {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
}

.form-progress span {
  flex: 1;
  height: 4px;
  background: var(--color-border);
  border-radius: 999px;
}

.form-progress span.active {
  background: var(--color-accent);
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.option-btn {
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
  cursor: pointer;
  background: #fff;
  font-weight: 600;
}

.option-btn.selected {
  border-color: var(--color-accent);
  background: rgba(217, 142, 43, 0.08);
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.9rem;
}

input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  margin-bottom: 18px;
  font-family: inherit;
}

.form-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px 0;
}

.form-success.active {
  display: block;
}

/* ===== Contacto info ===== */
.contact-info-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.contact-info-card .icon {
  font-size: 1.4rem;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-grid h4 {
  color: #fff;
  margin-bottom: 14px;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-grid li {
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
}

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-links,
  .nav-phone {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .site-header.menu-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    padding: 20px;
    border-bottom: 1px solid var(--color-border);
  }

  .grid-3,
  .grid-2,
  .options-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 20px;
  }

  .hero-home {
    min-height: 560px;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .sticky-cta {
    display: flex;
  }

  body {
    padding-bottom: 68px;
  }
}