:root {
  --background: #0B0F14;
  --background-secondary: #111827;
  --background-elevated: rgba(17, 24, 39, 0.78);
  --accent: #3B82F6;
  --accent-hover: #2563EB;
  --text-primary: #E5E7EB;
  --text-secondary: #9CA3AF;
  --border: #1F2937;
  --shadow-sm: 0 14px 30px rgba(0, 0, 0, 0.16);
  --shadow-lg: 0 22px 60px rgba(0, 0, 0, 0.28);
  --radius-md: 18px;
  --radius-sm: 14px;
  --container: 1180px;
  --transition: 0.3s ease;
  --header-height: 88px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.65;
  min-width: 320px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

.background-grid,
.background-glow {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: -2;
}

.background-grid {
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 90%);
}

.background-glow {
  z-index: -1;
  filter: blur(72px);
  opacity: 0.42;
}

.background-glow--one {
  background: radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.22), transparent 35%);
}

.background-glow--two {
  background: radial-gradient(circle at 80% 8%, rgba(255, 255, 255, 0.08), transparent 24%);
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.section {
  padding: clamp(88px, 10vw, 128px) 0;
  scroll-margin-top: calc(var(--header-height) + 28px);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 52px;
  text-align: center;
}

.section-heading--left {
  margin: 0;
  text-align: left;
}

.section-heading h1,
.section-heading h2,
.card h2,
.card h3 {
  margin: 0;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.section-heading h1 {
  font-size: clamp(2.9rem, 8vw, 5.8rem);
  font-weight: 800;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
}

.section-heading p,
.card p,
.detail-list li,
.contact-item p {
  color: var(--text-secondary);
}

.eyebrow,
.mono-label,
.project-tag,
.project-badge,
.tag,
.site-footer a {
  font-family: "JetBrains Mono", monospace;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.hero {
  position: relative;
  padding-top: calc(var(--header-height) + clamp(72px, 11vw, 120px));
  padding-bottom: clamp(72px, 10vw, 120px);

  background:
    radial-gradient(
      circle at center,
      rgba(11, 15, 20, 0.20) 0%,
      rgba(11, 15, 20, 0.6) 50%,
      rgba(11, 15, 20, 0.95) 100%
    ),
    url("assets/img/fondo.jpg");

  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  backdrop-filter: blur(2px);
}

.hero-inner {
  text-align: center;
}

.hero-title {
  margin: 20px auto 12px;
  max-width: 780px;
  font-size: clamp(1.25rem, 2.2vw, 1.7rem);
  font-weight: 600;
  color: var(--text-primary);
}

.hero-subtitle {
  margin: 0 auto;
  max-width: 760px;
  font-size: clamp(1rem, 1.8vw, 1.18rem);
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 168px;
  padding: 14px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition:
    transform var(--transition),
    background-color var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    color var(--transition);
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-hover));
  color: #f8fafc;
  box-shadow: 0 16px 36px rgba(37, 99, 235, 0.24);
}

.button-primary:hover {
  box-shadow: 0 22px 44px rgba(37, 99, 235, 0.28);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(156, 163, 175, 0.24);
  color: var(--text-primary);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(59, 130, 246, 0.38);
}

.hero-highlights,
.services-grid,
.process-grid,
.testimonials-grid {
  display: grid;
  gap: 22px;
}

.hero-highlights {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 56px;
}

.about-grid,
.contact-layout {
  display: grid;
  gap: 24px;
  align-items: stretch;
}

.about-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.featured-project {
  margin-bottom: 48px;
}

.featured-card {
  position: relative;
  padding: 32px;
  background: rgba(17, 24, 39, 0.72);
  border-radius: 18px;
  border: none;
  box-shadow: none;
}

.project-location {
  margin: 4px 0 0;
  font-size: 0.9rem;
  opacity: 0.8;
}

.featured-header {
  margin-bottom: 18px;
}

.project-sections {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.featured-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin: 0;
}

.featured-title span {
  color: #3B82F6;
  font-weight: 700;
  transition: color 0.3s ease;
}

.featured-block {
  padding: 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

.featured-block:hover {
  transform: translateY(-4px);
  background: rgba(59, 130, 246, 0.05);
  border-color: rgba(59, 130, 246, 0.25);
}

.featured-block.is-active {
  background: rgba(59, 130, 246, 0.05);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.featured-block h4 {
  font-size: 1.2rem;
  font-weight: 600;
  color: #3B82F6;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

.featured-block:hover h4 {
  color: #60A5FA;
}

@media (max-width: 768px) {
  .project-sections {
    grid-template-columns: 1fr;
  }

  .featured-card {
    padding: 24px;
  }
}

.section-divider {
  border: 0;
  border-top: 1px solid #1F2937;
  margin-bottom: 12px;
}

.services-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
  justify-content: center;
}

.process-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.testimonials-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.contact-layout {
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
}

.card {
  position: relative;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 22%),
    var(--background-elevated);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    background-color var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(59, 130, 246, 0.26);
  box-shadow: 
    0 22px 60px rgba(0, 0, 0, 0.28),
    0 0 20px rgba(59, 130, 246, 0.2);
}

.service-card {
  cursor: pointer;
}

.service-expandable {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease;
  opacity: 0;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.service-card.expanded .service-expandable {
  max-height: 500px;
  opacity: 1;
}

.service-expandable h4 {
  margin: 0 0 12px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
}

.service-expandable p {
  margin: 8px 0;
}

.card h2 {
  margin-top: 8px;
  font-size: 1.28rem;
}

.card h3 {
  margin-top: 10px;
  font-size: 1.45rem;
  font-weight: 650;
}

.mini-card {
  text-align: left;
}

.mono-label,
.project-tag,
.project-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  border-radius: 999px;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  text-transform: uppercase;
}

.mono-label {
  padding: 8px 11px;
  color: var(--accent);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.18);
}

.detail-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 14px;
}

.detail-list li {
  position: relative;
  padding-left: 22px;
}

.detail-list li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}

.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.project-badge,
.project-tag {
  padding: 9px 12px;
}

.project-badge {
  margin-bottom: 14px;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.09);
}

.project-tag {
  color: var(--accent);
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.18);
}

.project-summary {
  margin: 0 0 26px;
  max-width: 840px;
  font-size: 1.02rem;
}

.project-breakdown {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.project-point {
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
}

.project-point p {
  margin: 14px 0 0;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-start;
  justify-content: flex-start;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  line-height: 1.2;
  white-space: nowrap;
  transition:
    transform var(--transition),
    border-color var(--transition),
    background-color var(--transition);
}

.tag:hover {
  transform: translateY(-1px);
  border-color: rgba(59, 130, 246, 0.45);
  background: rgba(59, 130, 246, 0.1);
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, minmax(220px, max-content)));
  justify-content: center;
  gap: 16px;
  max-width: 860px;
  margin: 0 auto;
}

.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  line-height: 1.2;
  transition:
    transform var(--transition),
    box-shadow var(--transition);
}

.cert-badge:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.2);
}

.cert-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.cert-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.cert-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
}

.cert-modal-content {
  position: relative;
  width: 95%;
  max-width: 900px;
  height: 80vh;
  margin: 5vh auto;
  background: #111827;
  border-radius: 12px;
  padding: 20px;
  overflow-y: auto;
}

.cert-modal-close {
  position: absolute;
  top: 10px;
  right: 15px;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-primary);
  cursor: pointer;
  z-index: 10;
}

#cert-content iframe {
  width: 100%;
  height: 500px;
  border-radius: 8px;
  margin-bottom: 20px;
  border: none;
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 16px;
  font-size: 0.95rem;
  color: var(--accent);
  text-decoration: none;
  transition:
    transform var(--transition),
    color var(--transition);
}

.github-link:hover {
  transform: translateX(4px);
  color: #60A5FA;
}

.process-card {
  min-height: 100%;
}

.testimonial-author {
  display: inline-block;
  margin-top: 20px;
  color: var(--text-primary);
  font-weight: 600;
}

.testimonials-carousel {
  position: relative;
}

.carousel-container {
  overflow: hidden;
  border-radius: var(--radius-md);
}

.carousel-track {
  display: flex;
  width: 500%;
  transition: transform 0.5s ease;
}

.carousel-slide {
  width: 20%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  padding: 0 20px;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: background-color var(--transition);
}

.dot.active {
  background: var(--accent);
}

.contact-card {
  display: grid;
  gap: 18px;
  justify-items: center;
  align-content: center;
  text-align: center;
}

.section#contacto .contact-layout {
  grid-template-columns: 1fr;
  gap: 32px;
}

.section#contacto .contact-layout > .section-heading {
  justify-self: center;
  width: 100%;
  max-width: 760px;
  margin-bottom: 0;
}

.contact-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(320px, 0.85fr) minmax(0, 1.15fr);
  align-items: start;
}

.section#contacto .contact-card,
.contact-form {
  max-width: none;
  width: 100%;
  margin: 0;
}

.section#contacto .contact-card {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.contact-form {
  display: grid;
  gap: 20px;
  text-align: left;
}

.contact-form-heading {
  display: grid;
  gap: 10px;
}

.contact-form-heading h3 {
  margin: 0;
}

.contact-form-heading p {
  margin: 0;
}

.contact-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-label {
  margin: 0;
  color: var(--text-primary);
  font-size: 0.92rem;
  font-weight: 600;
}

.form-input {
  width: 100%;
  min-height: 54px;
  padding: 15px 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    rgba(11, 15, 20, 0.72);
  color: var(--text-primary);
  outline: none;
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition),
    background-color var(--transition);
}

.form-input::placeholder {
  color: rgba(156, 163, 175, 0.9);
}

.form-input:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

.form-input:focus {
  border-color: rgba(59, 130, 246, 0.6);
  box-shadow:
    0 0 0 4px rgba(59, 130, 246, 0.12),
    0 14px 28px rgba(2, 8, 23, 0.16);
}

.form-select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, rgba(229, 231, 235, 0.85) 50%),
    linear-gradient(135deg, rgba(229, 231, 235, 0.85) 50%, transparent 50%);
  background-position:
    calc(100% - 22px) calc(50% - 3px),
    calc(100% - 16px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 42px;
}

.form-textarea {
  min-height: 160px;
  resize: vertical;
}

.form-field.is-invalid .form-input {
  border-color: rgba(248, 113, 113, 0.72);
  box-shadow: 0 0 0 4px rgba(248, 113, 113, 0.12);
}

.field-error {
  min-height: 1.1em;
  margin: 0;
  color: #fda4af;
  font-size: 0.84rem;
  line-height: 1.4;
}

.form-status {
  min-height: 1.2em;
  margin: -4px 0 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.form-status.is-success {
  color: #93c5fd;
}

.contact-submit {
  width: 100%;
  justify-content: center;
}

.section#contacto .contact-item {
  width: min(100%, 440px);
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition:
    transform var(--transition),
    border-color var(--transition),
    background-color var(--transition);
}

.section#contacto .contact-item:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, 0.18);
  background: rgba(59, 130, 246, 0.04);
}

.contact-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-size: 1.35rem;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.16), rgba(59, 130, 246, 0.06));
  border: 1px solid rgba(59, 130, 246, 0.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.contact-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-items: flex-start;
  text-align: left;
}

.contact-label {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  font-family: "JetBrains Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.contact-item a,
.contact-availability {
  margin: 0;
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.contact-item a {
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 0.18em;
  transition:
    color var(--transition),
    text-decoration-color var(--transition);
}

.contact-item a:hover {
  color: var(--accent);
  text-decoration-color: currentColor;
}

.contact-availability {
  color: #f8fafc;
}

.availability-text {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 22px 0;
  transition:
    padding var(--transition),
    background-color var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.site-header.is-scrolled {
  padding: 14px 0;
  background: rgba(11, 15, 20, 0.72);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  max-width: 100%;
  flex-shrink: 1;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
  overflow: hidden;
}

.brand-logo {
  display: block;
  width: auto;
  height: 30px;
  max-width: 100%;
  object-fit: contain;
  transition: transform var(--transition), opacity var(--transition);
}

.brand:hover .brand-logo {
  transform: scale(1.03);
  opacity: 0.92;
}

.brand-text {
  position: relative;
  display: block;
  min-width: 0;
  max-width: 100%;
  font-size: clamp(0.72rem, 1.1vw, 0.9rem);
  font-weight: 650;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.1;
  color: var(--text-primary);
  transition:
    color var(--transition),
    transform var(--transition);
}

.brand-text::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.brand:hover .brand-text {
  color: var(--accent);
  transform: translateY(-1px);
}

.brand:hover .brand-text::after {
  transform: scaleX(1);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-nav a {
  position: relative;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color var(--transition);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text-primary);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  cursor: pointer;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-footer {
  padding: 28px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

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

.footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
}

.site-footer p,
.site-footer a {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

.legal-page {
  padding-top: calc(var(--header-height) + 56px);
  padding-bottom: 88px;
}

.legal-shell {
  max-width: 860px;
  margin: 0 auto;
}

.legal-card {
  display: grid;
  gap: 22px;
}

.legal-card h1,
.legal-card h2,
.legal-card p,
.legal-card ul {
  margin: 0;
}

.legal-card h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.legal-card h2 {
  margin-top: 8px;
  font-size: 1.16rem;
  color: var(--text-primary);
}

.legal-card ul {
  padding-left: 20px;
  color: var(--text-secondary);
  display: grid;
  gap: 8px;
}

.legal-meta {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.legal-intro,
.legal-card p {
  color: var(--text-secondary);
}

.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.legal-nav a {
  display: inline-flex;
  align-items: center;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  font-size: 0.86rem;
  transition:
    border-color var(--transition),
    color var(--transition),
    background-color var(--transition);
}

.legal-nav a:hover,
.legal-nav a.is-current {
  color: var(--text-primary);
  border-color: rgba(59, 130, 246, 0.28);
  background: rgba(59, 130, 246, 0.08);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .hero-highlights,
  .services-grid,
  .process-grid,
  .testimonials-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .section#contacto .contact-card {
    position: static;
    top: auto;
  }
}

@media (max-width: 920px) {
  .site-nav {
    position: absolute;
    top: calc(100% + 12px);
    left: 20px;
    right: 20px;
    display: grid;
    gap: 6px;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    background: rgba(11, 15, 20, 0.94);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
      opacity var(--transition),
      visibility var(--transition),
      transform var(--transition);
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 10px 12px;
    border-radius: 12px;
  }

  .site-nav a:hover,
  .site-nav a.is-active {
    background: rgba(255, 255, 255, 0.03);
  }

  .site-nav a::after {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

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

  .project-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .about-grid,
  .project-breakdown {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 80px 0;
  }

  .header-inner {
    gap: 14px;
  }

  .brand {
    gap: 10px;
  }

  .brand-text {
    max-width: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.1;
  }

  .hero-highlights,
  .about-grid,
  .contact-form-grid,
  .services-grid,
  .process-grid,
  .testimonials-grid,
  .project-breakdown {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 24px;
  }

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

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 540px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .site-header {
    padding: 16px 0;
  }

  .brand {
    gap: 9px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 12px;
  }

  .brand-logo {
    height: 27px;
  }

  .brand-text {
    font-size: clamp(0.66rem, 2.4vw, 0.76rem);
    max-width: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .section#contacto .contact-item {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .contact-content {
    align-items: center;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

.section-heading {
  width: 100%;
  max-width: none;
}

.section-heading h1 {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  font-size: clamp(1.8rem, 5.2vw, 4.6rem);
  line-height: 1.05;
  text-align: center;
  text-wrap: nowrap;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: clip;
}

@media (max-width: 768px) {
  .section-heading {
    width: 100%;
    max-width: none;
  }

  .section-heading h1 {
    width: 100%;
    max-width: none;
    font-size: clamp(1.3rem, 5vw, 2.4rem);
    line-height: 1.08;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: clip;
  }
}

@media (max-width: 480px) {
  .section-heading {
    width: 100%;
    max-width: none;
  }

  .section-heading h1 {
    width: 100%;
    max-width: none;
    font-size: clamp(1.05rem, 5vw, 1.8rem);
    line-height: 1.1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: clip;
  }
}