/* ============================================================
   LIMA GRASS — Estilos Principales
   ============================================================ */

/* ---------- Variables de diseño ---------- */
:root {
  --color-primary:       #2e7d32; /* verde oscuro principal */
  --color-primary-dark:  #1b5e20;
  --color-primary-light: #4caf50;
  --color-accent:        #8bc34a; /* verde lima brillante */
  --color-accent-dark:   #689f38;
  --color-white:         #ffffff;
  --color-off-white:     #f9fdf5;
  --color-gray-light:    #f1f8e9;
  --color-gray-mid:      #e8f5e9;
  --color-text:          #1a2e1a;
  --color-text-muted:    #5a7a5a;
  --color-border:        #c8e6c9;

  --font-display: 'Montserrat', sans-serif;
  --font-body:    'Open Sans', sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  24px;
  --radius-xl:  40px;

  --shadow-card: 0 4px 24px rgba(46, 125, 50, 0.10);
  --shadow-hero: 0 8px 40px rgba(0, 0, 0, 0.18);

  --transition: 0.28s ease;
  --max-width:  1200px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

/* ---------- Utilidades ---------- */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: var(--color-gray-light);
  padding: 6px 16px;
  border-radius: var(--radius-xl);
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--color-primary-dark);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 560px;
}

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

.text-center .section-subtitle {
  margin: 0 auto;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-xl);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(46, 125, 50, 0.30);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(46, 125, 50, 0.36);
}

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

.btn-outline:hover,
.btn-outline:focus-visible {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  box-shadow: 0 4px 16px rgba(139, 195, 74, 0.35);
}

.btn-accent:hover,
.btn-accent:focus-visible {
  background: var(--color-accent-dark);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* ---------- HEADER / NAV ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(46, 125, 50, 0.12);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--color-primary-dark);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo .logo-leaf {
  font-size: 1.7rem;
  line-height: 1;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition);
  border-radius: 2px;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--color-primary);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-primary-dark);
  font-size: 1.6rem;
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(27, 94, 32, 0.85) 0%, rgba(46, 125, 50, 0.75) 60%, rgba(139, 195, 74, 0.50) 100%),
    url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?w=1600&q=80') center/cover no-repeat;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: var(--color-white);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.hero-content {
  color: var(--color-white);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-xl);
  padding: 8px 18px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #d4f1a0;
  margin-bottom: 22px;
  backdrop-filter: blur(4px);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 22px;
}

.hero-title em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-description {
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-md);
  padding: 22px 28px;
  color: var(--color-white);
  backdrop-filter: blur(8px);
  transition: background var(--transition);
}

.stat-card:hover {
  background: rgba(255, 255, 255, 0.22);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.80);
  margin-top: 4px;
}

/* ---------- SECCIÓN PORQUÉ ELEGIRNOS ---------- */
.features {
  padding: 100px 0;
  background: var(--color-white);
}

.features-header {
  margin-bottom: 60px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--color-off-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.feature-icon {
  font-size: 2.4rem;
  margin-bottom: 18px;
  display: block;
  line-height: 1;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ---------- SECCIÓN PRODUCTO ---------- */
.product {
  padding: 100px 0;
  background: var(--color-gray-mid);
}

.product-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 70px;
}

.product-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hero);
  aspect-ratio: 4/3;
  background:
    linear-gradient(rgba(27, 94, 32, 0.08), rgba(27, 94, 32, 0.08)),
    url('https://images.unsplash.com/photo-1585320806297-9794b3e4ffe0?w=900&q=80') center/cover no-repeat;
}

.product-badge-img {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.product-content .section-subtitle {
  margin-bottom: 28px;
}

.product-features-list {
  margin-bottom: 36px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.product-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.97rem;
  color: var(--color-text);
}

.product-features-list li .check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 900;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ---------- SECCIÓN NOSOTROS ---------- */
.about {
  padding: 100px 0;
  background: var(--color-white);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 70px;
}

.about-content .section-subtitle {
  margin-bottom: 32px;
}

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-card {
  background: var(--color-gray-light);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 22px 18px;
}

.about-card h4 {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.about-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.about-image-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hero);
  aspect-ratio: 4/5;
  background:
    url('https://images.unsplash.com/photo-1416879595882-3373a0480b5b?w=800&q=80') center/cover no-repeat;
  position: relative;
}

.about-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(27, 94, 32, 0.5) 0%, transparent 60%);
}

/* ---------- BANNER CTA ---------- */
.cta-banner {
  padding: 80px 0;
  background: linear-gradient(120deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '🌿';
  position: absolute;
  font-size: 14rem;
  opacity: 0.06;
  top: -30px;
  right: -40px;
  pointer-events: none;
}

.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: 14px;
}

.cta-banner p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 34px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- SERVICIOS ---------- */
.services {
  padding: 100px 0;
  background: var(--color-off-white);
}

.services-header {
  margin-bottom: 60px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  border: 1px solid var(--color-border);
  display: flex;
  gap: 22px;
  align-items: flex-start;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.service-icon {
  font-size: 2rem;
  flex-shrink: 0;
  background: var(--color-gray-light);
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.service-card p {
  font-size: 0.93rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ---------- CONTACTO ---------- */
.contact {
  padding: 100px 0;
  background: var(--color-gray-mid);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: start;
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
}

.contact-info p {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 36px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item-text strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.contact-item-text span {
  font-size: 0.97rem;
  color: var(--color-text);
}

.contact-form-box {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-card);
}

.contact-form-box h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-off-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.14);
}

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

.form-submit {
  width: 100%;
  padding: 15px;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.form-submit:hover,
.form-submit:focus-visible {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.80);
  padding: 60px 0 28px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-brand .nav-logo {
  color: var(--color-white);
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.65;
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 18px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 0.93rem;
  color: rgba(255, 255, 255, 0.72);
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.86rem;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.50);
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.50);
  transition: color var(--transition);
}

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

/* ---------- BOTÓN FLOTANTE WHATSAPP ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 0;
  cursor: pointer;
  text-decoration: none;
}

.whatsapp-float:hover .wsp-label {
  max-width: 160px;
  padding: 0 14px;
  opacity: 1;
}

.wsp-label {
  background: var(--color-primary-dark);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 0.84rem;
  font-weight: 700;
  padding: 0;
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  opacity: 0;
  transition: max-width 0.35s ease, padding 0.35s ease, opacity 0.25s ease;
  height: 56px;
  display: flex;
  align-items: center;
}

.wsp-btn {
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition), box-shadow var(--transition);
  flex-shrink: 0;
}

.whatsapp-float:hover .wsp-btn {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
  border-radius: 0 50% 50% 0;
}

.wsp-btn svg {
  width: 30px;
  height: 30px;
  fill: var(--color-white);
}

/* Pulso animado */
.wsp-btn::before {
  content: '';
  position: absolute;
  width: 56px;
  height: 56px;
  background: rgba(37, 211, 102, 0.35);
  border-radius: 50%;
  animation: wsp-pulse 2.2s ease-out infinite;
}

@keyframes wsp-pulse {
  0%   { transform: scale(1);   opacity: 0.8; }
  70%  { transform: scale(1.7); opacity: 0; }
  100% { transform: scale(1.7); opacity: 0; }
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .stat-card { flex: 1 1 140px; }

  .hero-description { margin: 0 auto 36px; }
  .hero-actions { justify-content: center; }

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

  .product-inner,
  .about-inner,
  .contact-inner { grid-template-columns: 1fr; }

  .product-image-wrapper,
  .about-image-wrapper {
    aspect-ratio: 16/9;
    order: -1;
  }

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

@media (max-width: 768px) {
  .nav-links,
  .nav-cta { display: none; }

  .nav-toggle { display: block; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: 24px;
    border-bottom: 1px solid var(--color-border);
    gap: 20px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }

  .nav-links.open + .nav-cta {
    display: block;
    padding: 0 24px 24px;
  }

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

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

  .about-cards { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; gap: 32px; }

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

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }

  .contact-form-box { padding: 26px 20px; }
}

/* ---------- Accesibilidad: movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}