/* ===== Variables — Tema claro con contrastes verdes ===== */
:root {
  --bg: #f6f7f9;
  --bg-card: #ffffff;
  --bg-elevated: #ffffff;
  --bg-green: #e8f5ef;
  --text: #1a1f26;
  --text-muted: #5c656d;
  --accent: #0d7a4a;
  --accent-hover: #0a9b58;
  --accent-dark: #065a34;
  --accent-muted: rgba(13, 122, 74, 0.12);
  --accent-soft: #e0f2e9;
  --border: rgba(0, 0, 0, 0.08);
  --border-green: rgba(13, 122, 74, 0.2);
  --font-display: "Bebas Neue", sans-serif;
  --font-body: "Outfit", sans-serif;
  --space: 1.5rem;
  --container: min(90vw, 1200px);
  --header-h: 72px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* ===== Reset y base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

/* ===== Utilidades ===== */
.container {
  width: 100%;
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space);
  padding-right: var(--space);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin-bottom: 0.5em;
  color: var(--text);
}

.section-title::after {
  content: "";
  display: block;
  width: 3rem;
  height: 3px;
  background: var(--accent);
  margin: 0.35em 0 0;
  border-radius: 2px;
}

.section-lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* ===== Botones ===== */
.btn {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.15s;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-secondary:hover {
  background: var(--accent-muted);
  color: var(--accent-dark);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: background 0.3s, box-shadow 0.3s;
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.05em;
  color: var(--accent);
  transition: opacity 0.2s;
}

.logo:hover {
  opacity: 0.85;
}

.logo-icon {
  width: 4rem;
  height: auto;
  flex-shrink: 0;
  object-fit: contain;
  display: block;
}

.logo-text {
  line-height: 1;
}

.nav ul {
  display: flex;
  gap: 2rem;
}

.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
}

.menu-toggle:hover span {
  background: var(--accent);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--header-h) var(--space) 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 60% at 50% 10%, var(--accent-soft) 0%, transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, #eef1f4 100%);
  z-index: 0;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.02'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  animation: heroFade 1s ease-out;
}

@keyframes heroFade {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 12vw, 7rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 0.95;
  margin-bottom: 0.4em;
  color: var(--text);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 32ch;
  margin: 0 auto 2rem;
  font-weight: 300;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Etiquetas: una para PC, una para móvil */
.hero-scroll-label-touch {
  display: none;
}

.scroll-icon {
  position: relative;
}

/* Icono ratón (PC) — visible solo en pantallas anchas */
.scroll-icon-mouse {
  width: 24px;
  height: 36px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
}

.scroll-icon-mouse::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.5; transform: translateX(-50%) translateY(6px); }
}

/* Icono dedo / swipe (móvil) — visible solo en pantallas estrechas */
.scroll-icon-touch {
  display: none;
  width: 28px;
  height: 28px;
  color: var(--accent);
  animation: scrollSwipe 2s ease-in-out infinite;
}

.scroll-icon-touch svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
}

@keyframes scrollSwipe {
  0%, 100% { opacity: 1; transform: translateY(0); }
  50% { opacity: 0.6; transform: translateY(4px); }
}

/* A partir de 768px: mostrar ratón y texto PC, ocultar dedo y texto móvil */
@media (max-width: 767px) {
  .hero-scroll-label-mouse {
    display: none;
  }

  .hero-scroll-label-touch {
    display: inline;
  }

  .scroll-icon-mouse {
    display: none;
  }

  .scroll-icon-touch {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* Por encima de 768px: asegurar que solo se vea el ratón */
@media (min-width: 768px) {
  .scroll-icon-touch {
    display: none;
  }
}

/* ===== Intro ===== */
.intro {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}

.intro-text {
  max-width: 60ch;
  font-size: 1.1rem;
  color: var(--text-muted);
}

.intro-text strong {
  color: var(--accent);
}

/* ===== Servicios ===== */
.servicios {
  padding: 5rem 0;
}

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.servicio-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

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

.servicio-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 1rem;
  color: var(--accent);
  flex-shrink: 0;
}

.servicio-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
}

.servicio-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.servicio-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== CTA ===== */
.cta-section {
  padding: 4rem 0;
  background: var(--bg-green);
  border-top: 1px solid var(--border-green);
  border-bottom: 1px solid var(--border-green);
  text-align: center;
}

.cta-section .section-title::after {
  margin-left: auto;
  margin-right: auto;
}

.cta-text {
  max-width: 52ch;
  margin: 0 auto 1.5rem;
  color: var(--text-muted);
}

.cta-text strong {
  color: var(--text);
}

/* ===== Sobre ===== */
.sobre {
  padding: 5rem 0;
}

.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.sobre-content p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.sobre-content strong {
  color: var(--accent);
}

.sobre-stats {
  display: flex;
  gap: 3rem;
  justify-content: center;
  padding: 2rem;
  background: var(--bg-green);
  border-radius: 12px;
  border: 1px solid var(--border-green);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ===== Trabajos ===== */
.trabajos {
  padding: 5rem 0;
  background: var(--bg);
}

.trabajos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.trabajo-card {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.trabajo-image {
  aspect-ratio: 16 / 10;
  background: var(--bg) var(--img) center / cover;
}

.trabajo-info {
  padding: 1.25rem;
  background: var(--bg-card);
}

.trabajo-cat {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.trabajo-info h3 {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
}

/* ===== Contacto ===== */
.contacto {
  padding: 5rem 0;
  background: var(--bg-green);
  border-top: 1px solid var(--border-green);
}

.contact-form {
  max-width: 520px;
}

.form-row {
  margin-bottom: 1.25rem;
}

.form-row label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.2s;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-row textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form .btn {
  margin-top: 0.5rem;
}

/* ===== Footer ===== */
.footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border);
  background: var(--text);
  color: #e8eaed;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
}

.footer .logo {
  color: #fff;
}

.footer-nav a,
.footer-social a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
  transition: color 0.2s;
}

.footer-nav a:hover,
.footer-social a:hover {
  color: var(--accent-hover);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .sobre-grid {
    grid-template-columns: 1fr;
  }

  .sobre-stats {
    flex-direction: column;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s, opacity 0.3s, visibility 0.3s;
  }

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

  .nav ul {
    flex-direction: column;
    gap: 0.5rem;
  }

  .nav a {
    display: block;
    padding: 0.75rem 0;
  }

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

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

  .footer-top {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    --space: 1rem;
  }

  .hero-title {
    font-size: 2.8rem;
  }
}