:root {
  --ink: #0D0D0D;
  --paper: #F8F6F1;
  --cream: #F0EDE4;
  --green: #166534;
  --green-mid: #16a34a;
  --green-glow: #22c55e;
  --muted: #7A786F;
  --line: rgba(13, 13, 13, 0.09);
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Instrument Sans', system-ui, sans-serif;
  --radius: 6px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Modo oscuro — paleta café/espresso ── */
[data-theme="dark"] {
  --ink: #EDE0CC;
  --paper: #1E1510;
  --cream: #281C14;
  --muted: #9C8B7A;
  --line: rgba(237, 224, 204, 0.09);
  /* Acento turquesa en modo oscuro */
  --green: #0D9488;
  --green-mid: #2DD4BF;
  --green-glow: #5EEAD4;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.35s ease, color 0.35s ease;
}

main {
  padding-top: 80px;
}

section {
  padding: 88px 24px;
  position: relative;
}

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

a {
  color: inherit;
}

.preloader {
  position: fixed;
  inset: 0;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: 9999;
  transition: opacity 0.4s ease;
}

.preloader--hidden {
  opacity: 0;
  pointer-events: none;
}

.preloader-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--line);
  border-top-color: var(--ink);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.preloader-text {
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 250;
}

/* ── Nav 3 columnas: izquierda / centro / derecha ── */
.main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  overflow: hidden;
  padding: 0 32px;
  background: rgba(248, 246, 241, 0.95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  gap: 0;
  will-change: transform, opacity;
  transform-origin: top center;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.4s ease,
              height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              background 0.4s ease;
}

/* Columna izquierda — logo + toggle */
.nav-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

/* Columna derecha — lang + cta + hamburger */
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

/* ── Logo ── */
.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--green);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--paper);
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-name {
  font-family: var(--serif);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.logo-surname {
  font-family: var(--serif);
  font-size: 0.85rem;
  font-style: italic;
  font-weight: 300;
  color: var(--green-mid);
  letter-spacing: -0.01em;
}

/* ── Nav links (columna central absoluta) ── */
.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-links a {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: color 0.2s ease, background 0.2s ease;
  position: relative;
}

.nav-links a:hover {
  color: var(--ink);
  background: rgba(13, 13, 13, 0.05);
}

.nav-links a.active {
  color: var(--ink);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--green-mid);
  border-radius: 2px;
}

/* ── Lang switch ── */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.lang-sep {
  font-size: 0.75rem;
  color: var(--line);
  user-select: none;
}

.lang-button {
  background: none;
  border: none;
  padding: 4px 6px;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--muted);
  cursor: pointer;
  border-radius: var(--radius);
  transition: color 0.2s ease;
}

.lang-button.is-active {
  color: var(--ink);
}

.lang-button:hover {
  color: var(--ink);
}

/* ── CTA button ── */
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green);
  color: var(--paper);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 9px 18px;
  border-radius: var(--radius);
  transition: background 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-cta:hover {
  background: var(--green-mid);
  transform: translateY(-1px);
}

.nav-cta::before {
  display: none;
}

.nav-cta::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-glow);
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

/* ── Hamburger ── */
@keyframes ham-top-open {
  0%   { transform: translateY(0)     scaleX(1)   rotate(0deg);   }
  35%  { transform: translateY(6.5px) scaleX(0.4) rotate(0deg);   }
  100% { transform: translateY(6.5px) scaleX(1)   rotate(45deg);  }
}
@keyframes ham-bot-open {
  0%   { transform: translateY(0)      scaleX(1)   rotate(0deg);   }
  35%  { transform: translateY(-6.5px) scaleX(0.4) rotate(0deg);   }
  100% { transform: translateY(-6.5px) scaleX(1)   rotate(-45deg); }
}
@keyframes ham-mid-open {
  0%   { opacity: 1; transform: scaleX(1);   }
  30%  { opacity: 0; transform: scaleX(0.3); }
  100% { opacity: 0; transform: scaleX(0);   }
}

.hamburger {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: 8px;
  flex-shrink: 0;
  padding: 0;
}

.hamburger:focus-visible {
  outline: none;
}

.hamburger-icon {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 30px;
  height: 30px;
  background: rgba(22, 101, 52, 0.1);
  border-radius: 50%;
  transition: background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.hamburger:hover .hamburger-icon {
  background: rgba(22, 101, 52, 0.18);
  transform: scale(1.07);
}

.hamburger:focus-visible .hamburger-icon {
  box-shadow: 0 0 0 2px var(--paper), 0 0 0 4px var(--green);
}

.hamburger.open .hamburger-icon {
  background: var(--green);
}

.hamburger-bar {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--green);
  border-radius: 2px;
  transition:
    transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1),
    opacity 0.15s ease,
    background-color 0.18s ease;
}

.hamburger.open .hamburger-bar {
  background: var(--paper);
}

.hamburger.open .hamburger-bar:nth-child(1) {
  animation: ham-top-open 0.22s ease forwards;
  transform: translateY(6.5px) rotate(45deg);
}

.hamburger.open .hamburger-bar:nth-child(2) {
  animation: ham-mid-open 0.20s ease forwards;
  opacity: 0;
}

.hamburger.open .hamburger-bar:nth-child(3) {
  animation: ham-bot-open 0.22s ease forwards;
  transform: translateY(-6.5px) rotate(-45deg);
}

.hamburger-label {
  position: relative;
  height: 10px;
  width: 44px;
  overflow: hidden;
  font-family: var(--sans);
  font-size: 8px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--green);
  line-height: 1;
  text-align: center;
}

.hamburger-label span {
  position: absolute;
  left: 50%;
  top: 0;
  white-space: nowrap;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.hamburger-label span:first-child {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.hamburger-label span:last-child {
  opacity: 0;
  transform: translateX(-50%) translateY(8px);
}

.hamburger.open .hamburger-label span:first-child {
  opacity: 0;
  transform: translateX(-50%) translateY(-8px);
}

.hamburger.open .hamburger-label span:last-child {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Theme Toggle ── */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 6px;
  margin: 0;
  border-radius: 999px;
  flex-shrink: 0;
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.theme-icon {
  font-size: 0.75rem;
  color: var(--muted);
  user-select: none;
  line-height: 1;
  transition: color 0.3s ease;
}

.theme-toggle-track {
  width: 34px;
  height: 18px;
  background: rgba(13, 13, 13, 0.12);
  border-radius: 999px;
  border: 1px solid var(--line);
  position: relative;
  flex-shrink: 0;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.theme-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--muted);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.3s ease;
}

[data-theme="dark"] .theme-toggle-track {
  background: var(--green);
  border-color: var(--green);
}

[data-theme="dark"] .theme-toggle-thumb {
  transform: translateX(16px);
  background: #EDE0CC;
}

.nav-backdrop {
  display: none;
}

/* ── Mobile Menu Fullscreen ── */
@keyframes menuSlideDown {
  from {
    opacity: 0;
    transform: translateY(-24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes menuItemIn {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--paper);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 80px 40px 48px;
  z-index: 240;
}

.mobile-menu.open {
  display: flex;
  animation: menuSlideDown 0.32s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.mobile-menu.open a:nth-child(1) { animation: menuItemIn 0.32s 0.06s cubic-bezier(0.4, 0, 0.2, 1) both; }
.mobile-menu.open a:nth-child(2) { animation: menuItemIn 0.32s 0.12s cubic-bezier(0.4, 0, 0.2, 1) both; }
.mobile-menu.open a:nth-child(3) { animation: menuItemIn 0.32s 0.18s cubic-bezier(0.4, 0, 0.2, 1) both; }
.mobile-menu.open a:nth-child(4) { animation: menuItemIn 0.32s 0.24s cubic-bezier(0.4, 0, 0.2, 1) both; }

.mobile-menu a {
  display: block;
  padding: 14px 0;
  font-family: var(--serif);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--ink);
  text-align: center;
  text-decoration: none;
  letter-spacing: -0.02em;
  border-bottom: none;
  transition: color 0.18s ease, transform 0.18s ease;
}

.mobile-menu a:hover {
  color: var(--green);
  transform: translateY(-2px);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu .mobile-cta {
  margin-top: 24px;
  background: var(--green);
  color: var(--paper);
  border-radius: 999px;
  padding: 16px 36px;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-align: center;
  transition: background 0.18s ease, transform 0.18s ease;
}

.mobile-menu .mobile-cta:hover {
  background: var(--green-mid);
  transform: translateY(-2px);
}

.hero {
  min-height: 100vh;
  padding-top: 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  position: relative;
}

.hero-inner {
  max-width: 760px;
  margin: 0 auto;
  padding-bottom: 48px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 6px 18px 6px 10px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 26px;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-glow);
  animation: pulse 2s infinite;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 8vw, 5.2rem);
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 24px;
}

.hero-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--green-mid);
}

.hero-sub {
  color: var(--muted);
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.hero-microcopy {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.02em;
  margin-bottom: 32px;
  opacity: 0.8;
}

.btn-hero,
.btn-hero-ghost {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 600;
  border-radius: var(--radius);
  padding: 14px 32px;
  display: inline-flex;
  justify-content: center;
  gap: 8px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn-hero {
  background: var(--green);
  color: var(--paper);
}

.btn-hero:hover {
  background: var(--green-mid);
  transform: translateY(-2px);
}

.btn-hero-ghost {
  border: 1px solid var(--line);
  color: var(--muted);
}

.btn-hero-ghost:hover {
  border-color: rgba(13, 13, 13, 0.3);
  color: var(--ink);
}

.hero-proof {
  display: flex;
  justify-content: center;
  gap: 0;
  background: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0 auto;
  max-width: 600px;
  margin-bottom: 0;
}

.js-ready .hero-badge,
.js-ready .hero-title,
.js-ready .hero-sub,
.js-ready .btn-hero,
.js-ready .btn-hero-ghost,
.js-ready .hero-microcopy,
.js-ready .hero-proof,
.js-ready .scroll-hint {
  opacity: 0;
}

.js-ready .value-section .chip,
.js-ready .value-title,
.js-ready .problem-card {
  opacity: 0;
}

.js-ready .process-inner .chip,
.js-ready .process-inner .section-title,
.js-ready .process-inner .section-desc,
.js-ready .step,
.js-ready .step-num {
  opacity: 0;
}

.js-ready .contact-top .chip,
.js-ready .contact-top .section-title,
.js-ready .contact-top .section-desc,
.js-ready .wa-btn,
.js-ready .cta-step,
.js-ready .cta-reassure {
  opacity: 0;
}

.proof-item {
  flex: 1;
  padding: 18px 12px;
  background: var(--cream);
  position: relative;
  text-align: center;
}

.proof-item + .proof-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 1px;
  background: var(--line);
}

.proof-num {
  font-family: var(--serif);
  font-size: 1.8rem;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 4px;
}

.proof-label {
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 28px;
}

.scroll-hint-line {
  width: 1px;
  height: 28px;
  background: linear-gradient(to bottom, transparent, var(--muted));
  animation: lineGrow 2s 0.5s ease forwards;
}

.marquee-wrap {
  position: relative;
  width: 100%;
  background: var(--ink);
  padding: 12px 0;
  overflow: hidden;
}

.marquee-track {
  display: flex;
  gap: 36px;
  animation: marquee 22s linear infinite;
  width: max-content;
}

.marquee-track span {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(248, 246, 241, 0.5);
  white-space: nowrap;
}

.marquee-track .mk {
  color: var(--green-glow);
}

.value-section {
  background: var(--ink);
  color: var(--paper);
}

.value-inner {
  max-width: 960px;
  margin: 0 auto;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-glow);
  margin-bottom: 24px;
}

.chip::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--green-glow);
}

.value-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin-bottom: 48px;
  line-height: 1.1;
}

.value-title em {
  font-style: italic;
  color: var(--green-glow);
}

.value-subtitle {
  color: rgba(248, 246, 241, 0.65);
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  line-height: 1.75;
  max-width: 640px;
  margin-bottom: 48px;
}

.problems-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(248, 246, 241, 0.07);
  border-radius: var(--radius);
  overflow: hidden;
}

.problem-card {
  background: var(--ink);
  padding: 32px 28px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.problem-card:hover {
  background: #161616;
}

.problem-icon {
  font-size: 1.5rem;
  margin-top: 2px;
}

.problem-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper);
  margin-bottom: 10px;
}

.problem-card p {
  color: rgba(248, 246, 241, 0.7);
  line-height: 1.7;
}

.problem-consequence {
  margin-top: 14px;
  padding: 10px 14px;
  border-left: 2px solid var(--green-glow);
  background: rgba(34, 197, 94, 0.07);
  border-radius: 0 4px 4px 0;
  font-size: 0.82rem;
  color: rgba(248, 246, 241, 0.85);
  line-height: 1.6;
}

.problem-consequence strong {
  color: var(--green-glow);
  font-weight: 700;
}

.problems-close {
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid rgba(248, 246, 241, 0.08);
  max-width: 600px;
}

.problems-close p {
  color: rgba(248, 246, 241, 0.6);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 10px;
}

.problems-close-cta {
  font-family: var(--serif);
  font-size: 1.25rem !important;
  font-style: italic;
  color: var(--paper) !important;
  opacity: 1 !important;
}

.services-section {
  background: var(--paper);
}

.section-header {
  max-width: 960px;
  margin: 0 auto 52px;
  text-align: left;
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  margin-bottom: 10px;
}

.section-title em {
  font-style: italic;
  color: var(--green-mid);
}

.section-desc {
  color: var(--muted);
  max-width: 520px;
}

.services-grid {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
}

.service-card {
  background: var(--paper);
  padding: 32px;
  position: relative;
  transition: background 0.3s ease;
}

.service-card:hover {
  background: var(--cream);
}

.service-card::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--green-mid);
  transition: width 0.3s ease;
}

.service-card:hover::after {
  width: 3px;
}

.service-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-mid);
  margin-bottom: 12px;
}

.service-card h3 {
  font-family: var(--serif);
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--muted);
  line-height: 1.7;
}

.service-quote {
  margin: 16px 0 0;
  padding: 10px 14px;
  border-left: 2px solid var(--green-mid);
  background: var(--cream);
  border-radius: 0 4px 4px 0;
  font-size: 0.82rem;
  font-style: italic;
  color: var(--ink);
  line-height: 1.6;
}

.service-quote strong {
  font-style: normal;
  font-weight: 700;
  color: var(--green);
}

.service-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--green);
}

.service-meta-sep {
  color: var(--line);
  font-weight: 400;
}

.wa-svg-icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

.service-compliance {
  margin-top: 10px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--green);
  opacity: 0.85;
}

.projects-section {
  background: var(--cream);
}

.projects-inner {
  max-width: 960px;
  margin: 0 auto;
}

.projects-list {
  margin-top: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line);
}

.project-item {
  background: var(--cream);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}

.project-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--green-mid);
  transition: width 0.35s ease;
}

.project-item:hover {
  background: var(--paper);
}

.project-item:hover::before {
  width: 3px;
}

.project-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.project-tag {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(22, 101, 52, 0.08);
  color: var(--green);
  padding: 4px 10px;
  border-radius: 100px;
}

.project-arrow {
  font-size: 1.1rem;
  color: var(--muted);
  transition: color 0.2s ease, transform 0.2s ease;
}

.project-item:hover .project-arrow {
  transform: translate(4px, -4px);
  color: var(--green-mid);
}

.project-result {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--green);
  background: rgba(22, 101, 52, 0.08);
  padding: 6px 12px;
  border-radius: 100px;
}

.process-section {
  background: var(--cream);
}

.process-inner {
  max-width: 960px;
  margin: 0 auto;
}

.process-steps {
  margin-top: 48px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.process-steps::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.step {
  display: flex;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.step:last-child {
  border-bottom: none;
}

.step-num {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-weight: 600;
  color: var(--green-mid);
  background: var(--paper);
}

.step-body h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.step-body p {
  color: var(--muted);
  line-height: 1.7;
}

.contact-section {
  background: var(--ink);
  color: var(--paper);
}

.contact-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 32px;
}

.contact-section .chip {
  color: var(--green-glow);
}

.contact-top .section-title {
  color: var(--paper);
}

.contact-top .section-desc {
  color: rgba(248, 246, 241, 0.6);
}

.cta-block {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.wa-btn {
  width: 100%;
  max-width: 480px;
  background: var(--green-glow);
  color: #fff;
  padding: 18px 26px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  box-shadow: 0 4px 24px rgba(34, 197, 94, 0.25);
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.wa-btn:hover {
  background: var(--green-mid);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(34, 197, 94, 0.35);
}

.wa-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.wa-text {
  flex: 1;
  text-align: left;
}

.wa-label {
  display: block;
  font-weight: 700;
  font-size: 1rem;
}

.wa-sub {
  display: block;
  font-size: 0.82rem;
  opacity: 0.8;
  margin-top: 3px;
}

.wa-arrow {
  font-size: 1.4rem;
}

.cta-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  width: 100%;
  max-width: 480px;
}

.cta-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  text-align: left;
}

.cta-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(248, 246, 241, 0.3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--green-glow);
}

.cta-step p {
  color: rgba(248, 246, 241, 0.7);
  line-height: 1.5;
}

.cta-step-divider {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: rgba(248, 246, 241, 0.12);
  padding-left: 10px;
}

.cta-reassure {
  color: rgba(248, 246, 241, 0.45);
  font-style: italic;
  font-size: 0.78rem;
}

.email-form {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  border: 0;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
}

label {
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
}

input,
textarea {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--paper);
  font-family: var(--sans);
}

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

.submit-btn {
  background: var(--ink);
  color: var(--paper);
  border-radius: 999px;
  border: none;
  padding: 10px 20px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
}

.email-status {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

footer {
  background: #080808;
  padding: 32px 24px;
  color: rgba(248, 246, 241, 0.7);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-socials {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-socials a {
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(248, 246, 241, 0.4);
  transition: color 0.3s ease;
}

.footer-socials a:hover {
  color: var(--paper);
}

.footer-copy {
  font-size: 0.72rem;
  color: rgba(248, 246, 241, 0.3);
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

@keyframes lineGrow {
  0% {
    height: 0;
    opacity: 0;
  }
  100% {
    height: 28px;
    opacity: 1;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 900px) {
  .nav-links,
  .nav-divider,
  .lang-switch {
    display: none !important;
  }

  .nav-cta {
    display: none !important;
  }

  .hamburger {
    display: flex;
  }

  .main-nav {
    padding: 0 20px;
  }
}

@media (min-width: 768px) {
  .hero {
    padding-top: 100px;
  }

  .hero-actions {
    flex-direction: row;
    justify-content: center;
  }

  .hero-proof {
    max-width: 800px;
  }

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

  .projects-list {
    flex-direction: column;
  }

  .process-steps {
    gap: 24px;
  }

  .nav-controls {
    gap: 32px;
  }

  .mobile-menu {
    display: none !important;
  }
}

@media (min-width: 1024px) {
  section {
    padding: 112px 48px;
  }

  .hero-inner {
    max-width: 860px;
  }

  .hero-title {
    font-size: 5.4rem;
  }

  .process-steps {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
  }

  .process-steps::before {
    display: none;
  }
}

/* Header oculto — al bajar */
.main-nav.nav-hidden {
  transform: translateY(-110%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Header visible — al subir, con scale spring */
.main-nav.nav-visible {
  transform: translateY(0) scaleY(1);
  opacity: 1;
  pointer-events: auto;
  transition: transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.4s ease;
}

/* Estado compacto al hacer scroll */
.main-nav.compact {
  height: 52px;
  background: rgba(248, 246, 241, 0.98);
  box-shadow: 0 1px 0 rgba(13,13,13,0.06),
              0 4px 24px rgba(13,13,13,0.05);
}

.main-nav.compact .logo-mark {
  width: 28px;
  height: 28px;
  font-size: 0.85rem;
}

.main-nav.compact .hamburger-icon {
  width: 24px;
  height: 24px;
}

.main-nav.compact .logo-name {
  font-size: 0.88rem;
}

.main-nav.compact .logo-surname {
  font-size: 0.78rem;
}

.main-nav.compact .nav-cta {
  background: var(--green);
}

.main-nav.compact .nav-divider {
  opacity: 0.5;
}

/* ══════════════════════════════════════════════════════
   OVERRIDES MODO OSCURO
══════════════════════════════════════════════════════ */

/* Nav background (hardcoded rgba → override) */
[data-theme="dark"] .main-nav {
  background: rgba(20, 13, 9, 0.96);
}

[data-theme="dark"] .main-nav.compact {
  background: rgba(15, 9, 5, 0.99);
  box-shadow: 0 1px 0 rgba(237, 224, 204, 0.06),
              0 4px 24px rgba(0, 0, 0, 0.3);
}

/* Secciones invertidas — en dark mode var(--ink) sería claro,
   así que se fija un color espresso explícito */
[data-theme="dark"] .value-section {
  background: #0D0906;
  color: #EDE0CC;
}

[data-theme="dark"] .contact-section {
  background: #0D0906;
  color: #EDE0CC;
}

[data-theme="dark"] .marquee-wrap {
  background: #0D0906;
}

[data-theme="dark"] .problem-card {
  background: #0D0906;
}

[data-theme="dark"] .problem-card:hover {
  background: #140D08;
}

[data-theme="dark"] .problem-card h3 {
  color: #EDE0CC;
}

[data-theme="dark"] .problem-consequence {
  background: rgba(45, 212, 191, 0.07);
  border-left-color: var(--green-glow);
  color: rgba(237, 224, 204, 0.85);
}

[data-theme="dark"] .problems-close {
  border-top-color: rgba(237, 224, 204, 0.08);
}

[data-theme="dark"] .problems-close p {
  color: rgba(237, 224, 204, 0.6);
}

[data-theme="dark"] .problems-close-cta {
  color: #EDE0CC !important;
}

[data-theme="dark"] .contact-top .section-title {
  color: #EDE0CC;
}

[data-theme="dark"] footer {
  background: #080402;
}

/* Nav CTA (WhatsApp header) — negro → verde en modo oscuro */
[data-theme="dark"] .nav-cta {
  background: var(--green);
}

[data-theme="dark"] .nav-cta:hover {
  background: var(--green-mid);
}

/* Hero buttons */
[data-theme="dark"] .btn-hero {
  background: var(--green);
  color: #EDE0CC;
}

[data-theme="dark"] .btn-hero:hover {
  background: var(--green-mid);
}

[data-theme="dark"] .btn-hero-ghost {
  border-color: rgba(237, 224, 204, 0.15);
}

/* Nav links hover en oscuro */
[data-theme="dark"] .nav-links a:hover {
  background: rgba(237, 224, 204, 0.06);
}

/* Menú móvil fullscreen — usa var(--paper), cambia automático */

/* Toggle en mobile: ocultar si media query lo esconde (nav-controls visible) */
@media (max-width: 900px) {
  .theme-toggle {
    margin-right: 4px;
  }
}