/* ===================================================
   EVOLUGAR — Brand system
   Verde bosque #1A4D2E · Oliva #626A2F · Crema #F9F1E1 · Blanco #FFFFFF
   Yeseva One (titulares) + Nunito (cuerpo)
=================================================== */

:root {
  --verde: #1A4D2E;
  --verde-dark: #123620;
  --oliva: #626A2F;
  --crema: #F9F1E1;
  --blanco: #FFFFFF;
  --gris-texto: #5C5C52;
  --gris-borde: #E7DFCC;

  --font-display: 'Yeseva One', serif;
  --font-body: 'Nunito', sans-serif;

  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;

  --shadow-card: 0 12px 32px rgba(26, 77, 46, 0.10);
  --container-w: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--verde-dark);
  background: var(--blanco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 16px;
  color: var(--verde-dark);
}

h2 { font-size: clamp(28px, 3.4vw, 40px); }
h3 { font-size: 20px; }

p { margin: 0 0 16px; color: var(--gris-texto); }

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

.eyebrow {
  display: block;
  font-family: var(--font-body);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 12.5px;
  color: var(--oliva);
  margin-bottom: 10px;
}
.eyebrow-light { color: var(--crema); }
.eyebrow.center { text-align: center; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 15px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  text-align: center;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}
.btn-primary {
  background: var(--verde);
  color: var(--blanco);
}
.btn-primary:hover { background: var(--verde-dark); transform: translateY(-2px); }
.btn-cream {
  background: var(--crema);
  color: var(--verde-dark);
}
.btn-cream:hover { background: var(--blanco); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(0,0,0,0.15); }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-borde);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 24px;
}
.logo img { height: 30px; width: auto; }
.main-nav {
  display: flex;
  gap: 34px;
  margin-left: auto;
  margin-right: 34px;
}
.main-nav a {
  font-weight: 700;
  font-size: 15px;
  color: var(--verde-dark);
  position: relative;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--oliva);
  transition: width 0.2s ease;
}
.main-nav a:hover::after { width: 100%; }
.btn-nav { padding: 12px 22px; font-size: 14px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--verde-dark);
  border-radius: 2px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(18,54,32,0.86) 0%, rgba(18,54,32,0.72) 38%, rgba(26,77,46,0.42) 68%, rgba(26,77,46,0.25) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding-top: 90px;
  padding-bottom: 90px;
}
.hero h1 {
  color: var(--blanco);
  font-size: clamp(28px, 3.8vw, 44px);
  margin-bottom: 18px;
}
.hero-text {
  color: var(--crema);
  font-size: 18px;
  margin-bottom: 30px;
  max-width: 480px;
}

/* ---------- Contrato con compromiso ---------- */
.contract-section {
  background: var(--crema);
  padding: 90px 0;
}
.contract-section h2 {
  color: var(--verde);
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.contract-section .section-lead {
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}
.contract-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.contract-point {
  background: var(--blanco);
  border-radius: var(--radius-md);
  padding: 34px 28px;
  text-align: center;
  box-shadow: var(--shadow-card);
}
.contract-number {
  display: block;
  font-family: var(--font-display);
  color: var(--oliva);
  font-size: 44px;
  margin-bottom: 14px;
}
.contract-point h3 {
  font-size: 18px;
  margin-bottom: 0;
}

/* ---------- Stats ---------- */
.stats { background: var(--blanco); border-bottom: 1px solid var(--gris-borde); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
}
.stat {
  padding: 44px 16px;
  border-right: 1px solid var(--gris-borde);
}
.stat:last-child { border-right: none; }
.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(30px, 3.4vw, 42px);
  color: var(--verde);
  margin-bottom: 6px;
}
.stat-label { font-size: 14.5px; color: var(--gris-texto); font-weight: 600; }

/* ---------- Calculator ---------- */
.calculator-section {
  background: var(--crema);
  padding: 96px 0;
}
.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.calc-text h2 { max-width: 460px; }
.calc-text p { max-width: 440px; }
.calc-trust {
  margin-top: 28px;
  font-weight: 700;
  color: var(--verde);
  font-size: 14.5px;
}
.calc-card {
  background: var(--blanco);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
}
.calc-card--typebot {
  padding: 0;
  overflow: hidden;
  line-height: 0;
}
.calc-card h3 {
  font-size: 22px;
  margin-bottom: 24px;
}
.calc-field { margin-bottom: 20px; }
.calc-field label {
  display: block;
  font-weight: 700;
  font-size: 13.5px;
  color: var(--verde-dark);
  margin-bottom: 8px;
}
.calc-field select {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gris-borde);
  background: var(--crema);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  color: var(--verde-dark);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%23626A2F' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}
.calc-slider-row {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--crema);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  border: 1px solid var(--gris-borde);
}
.calc-slider-row input[type="range"] {
  flex: 1;
  accent-color: var(--verde);
}
.calc-slider-value {
  font-weight: 800;
  color: var(--verde);
  min-width: 56px;
  text-align: right;
}
.calc-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--gris-borde);
  padding-top: 20px;
  margin-bottom: 24px;
}
.calc-result span { color: var(--gris-texto); font-weight: 600; font-size: 14px; }
.calc-result strong {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 22px;
  color: var(--verde);
}

/* ---------- Para quién trabajamos ---------- */
.clients-section { padding: 100px 0; }
.section-head.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 40px;
}
.section-lead { font-size: 17px; }
.section-lead.center { max-width: 560px; }
.clients-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 50px;
  box-shadow: var(--shadow-card);
}
.clients-photo img { width: 100%; height: 420px; object-fit: cover; object-position: top; }
.clients-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.client-card {
  background: var(--crema);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  border: 1px solid var(--gris-borde);
}
.client-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--verde);
  margin-bottom: 18px;
}
.client-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: var(--crema);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.client-number {
  display: block;
  font-family: var(--font-display);
  color: var(--oliva);
  font-size: 26px;
  margin-bottom: 10px;
}
.client-card h3 { font-size: 19px; margin-bottom: 10px; }
.client-card p { font-size: 15px; margin-bottom: 0; }

/* ---------- Gallery ---------- */
.gallery-section { padding: 100px 0; background: var(--blanco); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 220px;
  gap: 20px;
  margin-top: 48px;
}
.gallery-item.tall { grid-row: span 2; }
.gallery-item {
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 18px;
  transition: transform 0.25s ease;
}
.gallery-item:hover { transform: scale(1.02); }
.gallery-item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.gallery-item span {
  position: relative;
  z-index: 1;
  color: var(--blanco);
  font-weight: 700;
  font-size: 14px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  background: rgba(18,54,32,0.55);
  padding: 6px 12px;
  border-radius: 6px;
}
.gallery-item:hover span { opacity: 1; transform: translateY(0); }
.placeholder.ph-1 { background: linear-gradient(135deg, var(--verde), var(--verde-dark)); }
.placeholder.ph-2 { background: linear-gradient(135deg, var(--oliva), var(--verde)); }
.placeholder.ph-3 { background: linear-gradient(135deg, #A69B6B, var(--oliva)); }
.placeholder.ph-4 { background: linear-gradient(135deg, var(--verde-dark), var(--oliva)); }
.placeholder.ph-5 { background: linear-gradient(135deg, #C9BE97, var(--oliva)); }
.placeholder.ph-6 { background: linear-gradient(135deg, var(--verde), #C9BE97); }
.gallery-video { cursor: pointer; }
.gallery-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(249,241,225,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}
.gallery-video:hover .gallery-play { transform: translate(-50%, -50%) scale(1.1); }
.gallery-play svg {
  width: 20px;
  height: 20px;
  fill: var(--verde-dark);
  margin-left: 3px;
}
.video-lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(18,54,32,0.9);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.video-lightbox.open { display: flex; }
.video-lightbox-inner {
  position: relative;
  width: 100%;
  max-width: 900px;
}
.video-lightbox-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000;
}
.video-lightbox-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.video-lightbox-close {
  position: absolute;
  top: -44px;
  right: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--crema);
  border: none;
  color: var(--verde-dark);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.gallery-note {
  margin-top: 20px;
  font-size: 13px;
  color: #9A9A8C;
  font-style: italic;
}

/* ---------- Seguimiento de obra ---------- */
.tracking-section { padding: 100px 0; background: var(--blanco); }
.tracking-lead {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.tracking-lead strong { color: var(--verde); }
.tracking-box {
  max-width: 620px;
  margin: 44px auto 0;
  background: var(--crema);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.tracking-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 28px;
  border-bottom: 1px solid var(--gris-borde);
  font-weight: 700;
  color: var(--verde-dark);
  font-size: 15.5px;
}
.tracking-item:last-child { border-bottom: none; }
.tracking-item strong { color: var(--verde); }

.tracking-item--highlight {
  background: var(--verde);
  border-bottom: none;
  padding: 24px 28px;
}
.tracking-item--highlight .tracking-icon {
  background: var(--crema);
}
.tracking-item--highlight .tracking-icon svg { stroke: var(--verde); }
.tracking-item--highlight > span:last-child {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.tracking-item--highlight strong {
  color: var(--crema);
  font-size: 17px;
}
.tracking-item--highlight small {
  color: rgba(249,241,225,0.8);
  font-weight: 600;
  font-size: 13.5px;
}

.tracking-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--verde);
}
.tracking-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--crema);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.tracking-closing {
  max-width: 480px;
  margin: 32px auto 0;
  font-weight: 700;
  color: var(--verde-dark);
  font-size: 17px;
}

/* ---------- Why choose us ---------- */
.why-section { padding: 100px 0; background: var(--crema); }
.why-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 70px;
}
.why-text h2 { max-width: 380px; }
.why-text p { max-width: 380px; margin-bottom: 30px; }
.why-list { list-style: none; margin: 0; padding: 0; }
.why-list li {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--gris-borde);
}
.why-list li:first-child { padding-top: 0; }
.why-number {
  font-family: var(--font-display);
  color: var(--oliva);
  font-size: 24px;
  flex-shrink: 0;
  width: 46px;
}
.why-list h3 { margin-bottom: 6px; }
.why-list p { margin-bottom: 0; font-size: 15px; }

/* ---------- 4 steps ---------- */
.steps-section { padding: 100px 0; background: var(--blanco); }
.steps-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 24px;
  left: calc(12.5% + 24px);
  right: calc(12.5% + 24px);
  height: 2px;
  background: repeating-linear-gradient(to right, var(--oliva) 0 8px, transparent 8px 16px);
  z-index: 0;
}
.step-card {
  position: relative;
  z-index: 1;
  background: var(--crema);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  text-align: left;
}
.step-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--verde);
  color: var(--blanco);
  font-family: var(--font-display);
  font-size: 18px;
  margin-bottom: 20px;
}
.step-card h3 { font-size: 18.5px; margin-bottom: 8px; }
.step-card p { font-size: 14.5px; margin-bottom: 0; }

/* ---------- Testimonials ---------- */
.faq-section { padding: 100px 0; background: var(--crema); }
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 18px;
}
.faq-item {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radius-md);
  padding: 24px 28px;
}
.faq-item h3 { font-size: 18px; margin-bottom: 8px; }
.faq-item p { margin: 0; }

.testimonials-section { padding: 100px 0; background: var(--blanco); }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.testimonial-card {
  background: var(--crema);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  border: 1px solid var(--gris-borde);
}
.stars { color: var(--oliva); letter-spacing: 3px; margin-bottom: 16px; font-size: 15px; }
.testimonial-card p { font-style: italic; font-size: 15px; color: var(--verde-dark); }
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}
.avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--verde);
  color: var(--crema);
  font-weight: 800;
  font-size: 13.5px;
  flex-shrink: 0;
}
.testimonial-author strong { display: block; font-size: 14.5px; color: var(--verde-dark); }
.testimonial-author span { font-size: 13px; color: var(--gris-texto); }

/* ---------- Final CTA ---------- */
.final-cta {
  background: var(--verde-dark);
  padding: 100px 0;
  text-align: center;
}
.final-cta h2 { color: var(--blanco); font-size: clamp(28px, 3.8vw, 44px); }
.final-cta p { color: var(--crema); max-width: 560px; margin: 0 auto 32px; font-size: 16.5px; }
.cta-note { margin-top: 18px; margin-bottom: 0; font-size: 13.5px; color: rgba(249,241,225,0.7); }

/* ---------- Footer ---------- */
.site-footer { background: var(--verde-dark); color: var(--crema); padding-top: 70px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(249,241,225,0.15);
}
.footer-logo {
  display: inline-block;
  background: var(--blanco);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
}
.footer-logo img { height: 22px; }
.footer-brand p { color: rgba(249,241,225,0.75); font-size: 13.5px; max-width: 280px; margin-bottom: 0; }
.footer-col h4 {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 12.5px;
  font-weight: 800;
  color: var(--oliva);
  margin-bottom: 18px;
}
.footer-col { display: flex; flex-direction: column; gap: 11px; }
.footer-col a, .footer-col span { color: rgba(249,241,225,0.85); font-size: 14.5px; }
.footer-col a:hover { color: var(--blanco); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 24px;
  font-size: 13px;
  color: rgba(249,241,225,0.6);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-legal { display: flex; gap: 20px; }
.footer-legal a:hover { color: var(--blanco); }

/* ---------- Páginas legales ---------- */
.legal-hero {
  background: var(--crema);
  padding: 70px 0 50px;
}
.legal-updated {
  font-size: 13.5px;
  color: var(--gris-texto);
  font-weight: 600;
}
.legal-content { padding: 60px 0 100px; }
.legal-content .container { max-width: 780px; }
.legal-content h2 {
  font-size: 24px;
  margin-top: 44px;
  color: var(--verde);
}
.legal-content h2:first-of-type { margin-top: 0; }
.legal-content h3 {
  font-size: 17px;
  font-family: var(--font-body);
  font-weight: 800;
  color: var(--verde-dark);
  margin-top: 24px;
  margin-bottom: 8px;
}
.legal-content p { font-size: 15.5px; }
.legal-content ul {
  margin: 0 0 16px;
  padding-left: 20px;
  color: var(--gris-texto);
  font-size: 15.5px;
}
.legal-content li { margin-bottom: 8px; }
.legal-content a { color: var(--verde); text-decoration: underline; }
.legal-note {
  font-size: 13px;
  color: #9A9A8C;
  font-style: italic;
}
.legal-back {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--gris-borde);
}
.legal-back a { text-decoration: none; font-weight: 700; }

.legal-table-wrap { overflow-x: auto; margin-bottom: 8px; }
.legal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 620px;
}
.legal-table th, .legal-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--gris-borde);
}
.legal-table th {
  background: var(--crema);
  font-weight: 800;
  color: var(--verde-dark);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.legal-table td { color: var(--gris-texto); }

/* ---------- Banner de cookies ---------- */
.cookie-banner {
  position: fixed;
  left: 20px;
  right: 20px;
  bottom: -200px;
  z-index: 200;
  max-width: 900px;
  margin: 0 auto;
  background: var(--verde-dark);
  color: var(--crema);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
  transition: bottom 0.35s ease;
}
.cookie-banner.visible { bottom: 20px; }
.cookie-banner-text {
  flex: 1 1 380px;
  font-size: 13.5px;
  line-height: 1.55;
  color: rgba(249,241,225,0.9);
}
.cookie-banner-text strong { color: var(--crema); }
.cookie-banner-text a { color: var(--crema); text-decoration: underline; }
.cookie-banner-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  flex-shrink: 0;
}
.cookie-banner-actions .btn {
  padding: 11px 18px;
  font-size: 13.5px;
  white-space: nowrap;
}

/* =============== RESPONSIVE =============== */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .btn-nav { display: none; }
  .nav-toggle { display: flex; }

  .site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--blanco);
    padding: 20px 24px;
    gap: 18px;
    border-bottom: 1px solid var(--gris-borde);
  }
  .site-header.nav-open .btn-nav {
    display: inline-block;
    margin: 0 24px 20px;
  }

  .calc-grid, .why-grid, .section-head.split { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat { border-bottom: 1px solid var(--gris-borde); }
  .clients-cards { grid-template-columns: 1fr; }
  .contract-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item.tall { grid-row: span 1; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid::before { display: none; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-content { padding-top: 60px; padding-bottom: 60px; }
}