/* =============================================
   JPD Servicios Agrícolas — Hoja de Estilos Principal
   Archivo: css/styles.css
   ============================================= */

/* ── VARIABLES DE COLOR ── */
:root {
  --verde-oscuro: #1a8510;
  --verde-medio: #2d7a4f;
  --verde-claro: #5aab6e;
  --verde-menta: #a8d5b5;
  --amarillo-dorado: #f5c518;
  --amarillo-claro: #fde87b;
  --amarillo-palido: #fffbea;
  --azul-oscuro: #0d2d4a;
  --azul-medio: #1565a8;
  --azul-claro: #4a9fd4;
  --azul-cielo: #b8ddf0;
  --blanco: #ffffff;
  --gris-suave: #f4f6f0;
  --texto-oscuro: #1a2e1a;
}

/* ── RESET Y BASE ── */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Calibri', sans-serif;
  color: var(--texto-oscuro);
  background: var(--blanco);
  overflow-x: hidden;
}

/* ── NAVBAR ── */
nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(26, 74, 46, 0.97);
  backdrop-filter: blur(12px);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%;
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
  transition: all .3s;
}

.nav-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; padding: 16px 0;
}
.nav-logo-icon {
  width: 42px; height: 42px;
  background: var(--amarillo-dorado);
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 20px;
}
.nav-logo-text {
  font-family: 'Calibri', sans-serif;
  color: var(--blanco);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.5px;
}
.nav-logo-text span { color: var(--amarillo-dorado); }

.nav-links {
  display: flex; gap: 0; list-style: none;
}
.nav-links a {
  display: block; padding: 22px 18px;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .5px;
  text-transform: uppercase;
  transition: color .2s;
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 14px; left: 18px; right: 18px;
  height: 2px; background: var(--amarillo-dorado);
  transform: scaleX(0); transition: transform .25s;
}
.nav-links a:hover { color: var(--amarillo-dorado); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  background: var(--amarillo-dorado) !important;
  color: var(--verde-oscuro) !important;
  border-radius: 6px;
  font-weight: 700 !important;
  padding: 10px 22px !important;
  margin: 6px 0 6px 14px;
  transition: background .2s, transform .2s !important;
}
.nav-cta:hover { background: var(--amarillo-claro) !important; transform: translateY(-1px); }
.nav-cta::after { display: none !important; }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.hamburger span {
  display: block; width: 26px; height: 2.5px;
  background: var(--blanco); border-radius: 2px;
  transition: all .3s;
}

.mobile-menu {
  display: none; position: fixed; top: 70px; left: 0; right: 0;
  background: var(--verde-oscuro);
  padding: 20px; flex-direction: column; gap: 4px;
  z-index: 999; box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.mobile-menu a {
  color: rgba(255,255,255,0.85); text-decoration: none;
  padding: 12px 16px; border-radius: 8px;
  font-size: .9rem; font-weight: 500; letter-spacing: .3px;
  transition: background .2s;
}
.mobile-menu a:hover { background: rgba(255,255,255,0.1); color: var(--amarillo-dorado); }
.mobile-menu .m-cta {
  background: var(--amarillo-dorado); color: var(--verde-oscuro);
  font-weight: 700; text-align: center; margin-top: 8px;
}

/* ── HERO ── */
#inicio {
  min-height: 100vh;
  background:
    linear-gradient(160deg, rgba(26,74,46,0.88) 0%, rgba(13,45,74,0.85) 55%, rgba(90,171,110,0.4) 100%),
    url('../img/hero.jpg') center/cover no-repeat;
  display: flex; align-items: center;
  padding: 120px 5% 80px;
  position: relative; overflow: hidden;
}
#inicio::before {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 80px;
  background: var(--blanco);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.hero-content { max-width: 680px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(245,197,24,0.2);
  border: 1px solid rgba(245,197,24,0.5);
  color: var(--amarillo-dorado);
  padding: 6px 16px; border-radius: 30px;
  font-size: .8rem; font-weight: 600; letter-spacing: 1px;
  text-transform: uppercase; margin-bottom: 28px;
  animation: fadeUp .8s .1s both;
}
.hero-badge::before { content: '🌾'; }

.hero-title {
  font-family: 'Calibri', sans-serif;
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 900; line-height: 1.05;
  color: var(--blanco);
  margin-bottom: 24px;
  animation: fadeUp .8s .25s both;
}
.hero-title em {
  font-style: normal;
  color: var(--amarillo-dorado);
  display: block;
}

.hero-desc {
  font-size: 1.1rem; line-height: 1.7;
  color: rgba(255,255,255,0.8);
  max-width: 520px; margin-bottom: 40px;
  animation: fadeUp .8s .4s both;
}

.hero-buttons {
  display: flex; gap: 16px; flex-wrap: wrap;
  animation: fadeUp .8s .55s both;
}
.btn-primary {
  background: var(--amarillo-dorado);
  color: var(--verde-oscuro);
  padding: 16px 36px; border-radius: 8px;
  font-weight: 700; font-size: 1rem;
  text-decoration: none; border: none; cursor: pointer;
  transition: all .25s; display: inline-block;
}
.btn-primary:hover { background: var(--amarillo-claro); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(245,197,24,0.4); }

.btn-secondary {
  background: transparent;
  color: var(--blanco);
  padding: 16px 36px; border-radius: 8px;
  font-weight: 600; font-size: 1rem;
  text-decoration: none; border: 2px solid rgba(255,255,255,0.5);
  transition: all .25s; display: inline-block;
}
.btn-secondary:hover { border-color: var(--blanco); background: rgba(255,255,255,0.1); }

.hero-stats {
  display: flex; gap: 40px; margin-top: 60px;
  animation: fadeUp .8s .7s both;
}
.stat { color: var(--blanco); }
.stat-num {
  font-family: 'Calibri', sans-serif;
  font-size: 2.2rem; font-weight: 900;
  color: var(--amarillo-dorado); display: block;
}
.stat-label { font-size: .8rem; opacity: .7; letter-spacing: .5px; }

/* ── SECCIÓN BASE ── */
section { padding: 90px 5%; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block;
  background: var(--verde-menta);
  color: var(--verde-oscuro);
  padding: 4px 16px; border-radius: 30px;
  font-size: .75rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  margin-bottom: 14px;
}
.section-title {
  font-family: 'Calibri', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900; line-height: 1.15;
  color: var(--verde-oscuro);
  margin-bottom: 14px;
}
.section-title span { color: var(--azul-medio); }
.section-sub {
  max-width: 540px; margin: 0 auto;
  font-size: 1rem; color: #555; line-height: 1.7;
}

/* ── SERVICIOS ── */
#servicios { background: var(--gris-suave); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--blanco);
  border-radius: 16px;
  padding: 36px 30px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: all .3s;
  border-top: 4px solid transparent;
  cursor: default;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.12);
  border-top-color: var(--verde-medio);
}
.service-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--verde-medio), var(--verde-claro));
  border-radius: 14px;
  display: grid; place-items: center;
  font-size: 26px; margin-bottom: 20px;
}
.service-card h3 {
  font-family: 'Calibri', sans-serif;
  font-size: 1.25rem; font-weight: 700;
  color: var(--verde-oscuro); margin-bottom: 10px;
}
.service-card p { font-size: .92rem; color: #666; line-height: 1.65; }
.service-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 18px; color: var(--verde-medio);
  font-weight: 600; font-size: .85rem;
  text-decoration: none; transition: gap .2s;
}
.service-link:hover { gap: 10px; }

/* ── MISIÓN & VISIÓN ── */
#mision { background: var(--blanco); }
.mv-container {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
  max-width: 1000px; margin: 0 auto;
}
.mv-card {
  border-radius: 20px; padding: 48px 40px;
  position: relative; overflow: hidden;
}
.mv-card-mision {
  background: linear-gradient(135deg, var(--verde-oscuro) 0%, var(--verde-medio) 100%);
  color: var(--blanco);
}
.mv-card-vision {
  background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul-medio) 100%);
  color: var(--blanco);
}
.mv-card::before {
  content: ''; position: absolute; top: -40px; right: -40px;
  width: 160px; height: 160px;
  border-radius: 50%; background: rgba(255,255,255,0.06);
}
.mv-card::after {
  content: ''; position: absolute; bottom: -60px; left: -30px;
  width: 200px; height: 200px;
  border-radius: 50%; background: rgba(255,255,255,0.04);
}
.mv-icon { font-size: 3rem; margin-bottom: 20px; display: block; }
.mv-label {
  font-size: .75rem; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; opacity: .7; margin-bottom: 10px;
  display: block;
}
.mv-card h3 {
  font-family: 'Calibri', sans-serif;
  font-size: 1.8rem; font-weight: 900; margin-bottom: 18px;
}
.mv-card p { font-size: .95rem; line-height: 1.75; opacity: .9; }
.mv-values {
  margin-top: 24px; display: flex; flex-wrap: wrap; gap: 8px;
}
.mv-tag {
  background: rgba(245,197,24,0.25);
  border: 1px solid rgba(245,197,24,0.5);
  color: var(--amarillo-dorado);
  padding: 4px 12px; border-radius: 20px;
  font-size: .78rem; font-weight: 600;
}

/* ── GALERÍA ── */
#galeria { background: var(--gris-suave); }
.gallery-filter {
  display: flex; gap: 10px; flex-wrap: wrap;
  justify-content: center; margin-bottom: 40px;
}
.filter-btn {
  padding: 8px 22px; border-radius: 30px;
  border: 2px solid var(--verde-medio);
  background: transparent; color: var(--verde-medio);
  font-family: 'Calibri', sans-serif;
  font-size: .85rem; font-weight: 600;
  cursor: pointer; transition: all .2s;
}
.filter-btn.active, .filter-btn:hover {
  background: var(--verde-medio); color: var(--blanco);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.gallery-item {
  position: relative; border-radius: 14px; overflow: hidden;
  aspect-ratio: 4/3; cursor: pointer;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  transition: transform .3s, box-shadow .3s;
}
.gallery-item:hover { transform: scale(1.03); box-shadow: 0 12px 35px rgba(0,0,0,0.2); }
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(26,74,46,0.85) 0%, transparent 60%);
  opacity: 0; transition: opacity .3s;
  display: flex; align-items: flex-end; padding: 20px;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay-text { color: var(--blanco); }
.gallery-overlay-text h4 { font-size: 1rem; font-weight: 700; margin-bottom: 2px; }
.gallery-overlay-text p { font-size: .8rem; opacity: .8; }

/* ── LIGHTBOX ── */
.lightbox {
  display: none; position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.92);
  align-items: center; justify-content: center;
  padding: 20px;
}
.lightbox.active { display: flex; }
.lightbox img {
  max-width: 90vw; max-height: 85vh;
  border-radius: 12px; object-fit: contain;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.lightbox-close {
  position: absolute; top: 24px; right: 32px;
  background: none; border: none; color: var(--blanco);
  font-size: 2rem; cursor: pointer; opacity: .8;
  transition: opacity .2s; line-height: 1;
}
.lightbox-close:hover { opacity: 1; }
.lightbox-caption {
  position: absolute; bottom: 30px; left: 50%;
  transform: translateX(-50%);
  color: var(--blanco); text-align: center;
  font-size: .9rem; opacity: .8;
}

/* ── EXPERIENCIAS / TESTIMONIOS ── */
#experiencias { background: var(--blanco); }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}
.testimonial-card {
  background: var(--gris-suave);
  border-radius: 20px; padding: 36px 32px;
  position: relative;
  border-left: 5px solid var(--verde-medio);
  transition: all .3s;
}
.testimonial-card:nth-child(2) { border-left-color: var(--amarillo-dorado); }
.testimonial-card:nth-child(3) { border-left-color: var(--azul-medio); }
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.1);
}
.quote-mark {
  font-family: 'Calibri', sans-serif;
  font-size: 5rem; line-height: 1;
  color: var(--verde-menta); position: absolute;
  top: 16px; right: 28px; font-weight: 900;
}
.testimonial-card:nth-child(2) .quote-mark { color: var(--amarillo-claro); }
.testimonial-card:nth-child(3) .quote-mark { color: var(--azul-cielo); }
.testimonial-text {
  font-size: .95rem; line-height: 1.75; color: #444;
  margin-bottom: 24px; position: relative; z-index: 1;
  font-style: italic;
}
.testimonial-author {
  display: flex; align-items: center; gap: 14px;
}
.author-avatar {
  width: 52px; height: 52px; border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--verde-medio);
}
.testimonial-card:nth-child(2) .author-avatar { border-color: var(--amarillo-dorado); }
.testimonial-card:nth-child(3) .author-avatar { border-color: var(--azul-medio); }
.author-info h4 { font-weight: 700; font-size: .95rem; color: var(--verde-oscuro); }
.author-info p { font-size: .8rem; color: #888; }
.stars { color: var(--amarillo-dorado); font-size: .9rem; margin-bottom: 14px; }

.testimonial-result {
  margin-top: 20px; padding: 14px 18px;
  background: var(--blanco); border-radius: 10px;
  display: flex; align-items: center; gap: 10px;
}
.result-icon { font-size: 1.4rem; }
.result-text { font-size: .82rem; font-weight: 600; color: var(--verde-medio); }
.testimonial-card:nth-child(2) .result-text { color: #b8860b; }
.testimonial-card:nth-child(3) .result-text { color: var(--azul-medio); }

/* ── TRABAJA CON NOSOTROS ── */
#trabajo { background: linear-gradient(135deg, var(--verde-oscuro) 0%, var(--azul-oscuro) 100%); }
#trabajo .section-title { color: var(--blanco); }
#trabajo .section-tag { background: rgba(245,197,24,0.2); color: var(--amarillo-dorado); }
#trabajo .section-sub { color: rgba(255,255,255,0.7); }

.upload-container {
  max-width: 700px; margin: 0 auto;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 24px; padding: 50px 48px;
  backdrop-filter: blur(10px);
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-full { grid-column: 1 / -1; }

.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-size: .83rem; font-weight: 600; color: rgba(255,255,255,0.7);
  letter-spacing: .5px;
}
.form-group input, .form-group select, .form-group textarea {
  background: rgba(255,255,255,0.1);
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 10px; padding: 13px 16px;
  color: var(--blanco);
  font-family: 'Calibri', sans-serif;
  font-size: .92rem;
  transition: border-color .2s;
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.35); }
.form-group select option { background: var(--verde-oscuro); color: var(--blanco); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--amarillo-dorado);
}
.form-group textarea { resize: vertical; min-height: 100px; }

.file-drop {
  border: 2px dashed rgba(255,255,255,0.3);
  border-radius: 14px; padding: 36px;
  text-align: center; cursor: pointer;
  transition: all .3s; position: relative;
  background: rgba(255,255,255,0.04);
}
.file-drop:hover, .file-drop.drag-over {
  border-color: var(--amarillo-dorado);
  background: rgba(245,197,24,0.08);
}
.file-drop input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}
.file-drop-icon { font-size: 2.5rem; margin-bottom: 10px; display: block; }
.file-drop p { color: rgba(255,255,255,0.7); font-size: .9rem; }
.file-drop strong { color: var(--amarillo-dorado); }
.file-name {
  margin-top: 10px; color: var(--verde-menta);
  font-size: .85rem; font-weight: 600; display: none;
}

.form-submit {
  width: 100%; padding: 17px;
  background: var(--amarillo-dorado);
  color: var(--verde-oscuro);
  border: none; border-radius: 12px;
  font-family: 'Calibri', sans-serif;
  font-size: 1rem; font-weight: 700;
  cursor: pointer; letter-spacing: .3px;
  transition: all .25s; margin-top: 10px;
}
.form-submit:hover {
  background: var(--amarillo-claro);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(245,197,24,0.35);
}

.success-msg {
  display: none; text-align: center; padding: 30px;
  color: var(--blanco);
}
.success-msg .check { font-size: 3rem; display: block; margin-bottom: 12px; }
.success-msg h3 {
  font-family: 'Calibri', sans-serif;
  font-size: 1.6rem; color: var(--amarillo-dorado); margin-bottom: 8px;
}

/* ── AVISO MAILTO ── */
.mailto-aviso {
  display: flex; gap: 14px; align-items: flex-start;
  background: rgba(245,197,24,0.1);
  border: 1.5px solid rgba(245,197,24,0.35);
  border-radius: 12px; padding: 18px 20px;
}
.mailto-aviso-icon { font-size: 1.8rem; flex-shrink: 0; margin-top: 2px; }
.mailto-aviso p { color: rgba(255,255,255,0.8); font-size: .88rem; line-height: 1.6; }
.mailto-aviso strong { color: var(--amarillo-dorado); }

.mailto-nota {
  text-align: center; margin-top: 14px;
  color: rgba(255,255,255,0.5); font-size: .8rem; line-height: 1.5;
}

/* ── CONTACTO ── */
#contacto { background: var(--gris-suave); }
.contact-wrapper {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  max-width: 1000px; margin: 0 auto; align-items: start;
}
.contact-info h3 {
  font-family: 'Calibri', sans-serif;
  font-size: 1.8rem; color: var(--verde-oscuro); margin-bottom: 16px;
}
.contact-info p { color: #666; line-height: 1.7; margin-bottom: 32px; }
.contact-item {
  display: flex; align-items: flex-start; gap: 16px;
  margin-bottom: 24px;
}
.contact-item-icon {
  width: 46px; height: 46px; border-radius: 12px; flex-shrink: 0;
  background: var(--verde-medio); color: var(--blanco);
  display: grid; place-items: center; font-size: 20px;
}
.contact-item h4 { font-size: .82rem; font-weight: 700; color: #999; text-transform: uppercase; letter-spacing: .5px; }
.contact-item p { font-size: .95rem; color: var(--verde-oscuro); font-weight: 500; }

.contact-form-box {
  background: var(--blanco); border-radius: 20px;
  padding: 40px; box-shadow: 0 8px 30px rgba(0,0,0,0.07);
}
.contact-form-box h3 {
  font-family: 'Calibri', sans-serif;
  font-size: 1.4rem; color: var(--verde-oscuro); margin-bottom: 28px;
}
.cf-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.cf-group label { font-size: .83rem; font-weight: 600; color: #666; }
.cf-group input, .cf-group textarea, .cf-group select {
  border: 1.5px solid #e0e0e0; border-radius: 10px;
  padding: 13px 16px; font-family: 'Calibri', sans-serif; font-size: .92rem;
  transition: border-color .2s; outline: none; color: var(--texto-oscuro);
  background: var(--blanco);
}
.cf-group input:focus, .cf-group textarea:focus, .cf-group select:focus {
  border-color: var(--verde-medio);
}
.cf-group textarea { resize: vertical; min-height: 100px; }
.btn-contact {
  width: 100%; padding: 15px;
  background: var(--verde-medio); color: var(--blanco);
  border: none; border-radius: 10px;
  font-family: 'Calibri', sans-serif;
  font-size: .95rem; font-weight: 700;
  cursor: pointer; transition: all .25s;
}
.btn-contact:hover { background: var(--verde-oscuro); transform: translateY(-2px); }

/* ── FOOTER ── */
footer {
  background: var(--verde-oscuro);
  color: rgba(255,255,255,0.7);
  padding: 60px 5% 30px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  margin-bottom: 50px;
}
.footer-brand p { font-size: .88rem; line-height: 1.7; margin-top: 14px; max-width: 280px; }
.footer-col h4 {
  font-size: .8rem; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--amarillo-dorado);
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  color: rgba(255,255,255,0.65); text-decoration: none;
  font-size: .88rem; transition: color .2s;
}
.footer-col ul a:hover { color: var(--amarillo-dorado); }
.footer-divider { border: none; border-top: 1px solid rgba(255,255,255,0.1); margin-bottom: 28px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  font-size: .82rem;
}
.footer-bottom span { color: var(rgba 255,255,255,255,0); }
.social-links { display: flex; gap: 12px; }
.social-link {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: grid; place-items: center; font-size: .9rem;
  color: rgba(255,255,255,0.6); text-decoration: none;
  transition: all .2s;
}
.social-link:hover { border-color: var(--amarillo-dorado); color: var(--amarillo-dorado); }

/* ── ANIMACIONES ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity .6s, transform .6s;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── BOTÓN SCROLL TOP ── */
#scrollTop {
  position: fixed; bottom: 30px; right: 30px;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--verde-medio); color: var(--blanco);
  border: none; font-size: 1.2rem; cursor: pointer;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  opacity: 0; pointer-events: none;
  transition: all .3s; z-index: 800;
}
#scrollTop.visible { opacity: 1; pointer-events: all; }
#scrollTop:hover { background: var(--verde-oscuro); transform: translateY(-3px); }

/* ── PÁGINA CONSTRUCCIÓN ── */
h1 {
  text-align: center;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--verde-oscuro);
  margin: 24px 0;
  font-family: 'Calibri', sans-serif;
}

.logo {
  display: block;
  margin: 40px auto;
  max-width: 500px;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mv-container { grid-template-columns: 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
}
@media (max-width: 600px) {
  .upload-container { padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-buttons { flex-direction: column; }
  .btn-primary, .btn-secondary { text-align: center; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 18px; }
}
@media (max-width: 400px) {
  .gallery-grid { grid-template-columns: 1fr; }
}