/* =============================================
   PINKO SA - Estilos principales
   Empresa agropecuaria argentina
   ============================================= */

/* --- Variables y Reset --- */
:root {
  --primary: #4a2c2a;
  --secondary: #7a4a3a;
  --accent: #c8a45c;
  --accent-hover: #d4b76a;
  --bg-light: #faf7f2;
  --bg-white: #ffffff;
  --text-dark: #3a2a28;
  --text-gray: #7a6a68;
  --radius: 6px;
  --radius-btn: 4px;
  --shadow-sm: 0 2px 8px rgba(74, 44, 42, 0.08);
  --shadow-md: 0 4px 20px rgba(74, 44, 42, 0.12);
  --shadow-lg: 0 8px 32px rgba(74, 44, 42, 0.16);
  --transition: 0.3s ease;
}

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

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: Georgia, 'Times New Roman', Times, serif;
  font-weight: 700;
  line-height: 1.25;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

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

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--primary);
  padding: 0 0;
  transition: box-shadow var(--transition), padding var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  padding: 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: Georgia, 'Times New Roman', Times, serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
}

.navbar__logo img {
  width: 36px;
  height: 36px;
}

.navbar__logo span {
  color: var(--accent);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.navbar__links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

.navbar__links a:hover,
.navbar__links a.active {
  color: #fff;
}

.navbar__links a:hover::after,
.navbar__links a.active::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-image: url('https://images.unsplash.com/photo-1500382017468-9049fed747ef?w=1920&q=80');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(74, 44, 42, 0.85) 0%,
    rgba(74, 44, 42, 0.55) 50%,
    rgba(74, 44, 42, 0.15) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  padding-top: 72px;
}

.hero__tagline {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2.5px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  color: #fff;
  margin-bottom: 16px;
}

.hero__subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
  font-weight: 400;
  line-height: 1.6;
}

.hero__btn {
  display: inline-block;
  padding: 14px 36px;
  background: var(--accent);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-btn);
  letter-spacing: 0.5px;
  transition: background var(--transition), transform var(--transition);
}

.hero__btn:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

/* --- Section common --- */
.section {
  padding: 100px 0;
}

.section--light {
  background: var(--bg-light);
}

.section__header {
  text-align: center;
  margin-bottom: 60px;
}

.section__label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: var(--primary);
  margin-bottom: 16px;
}

.section__desc {
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-gray);
  font-size: 1.05rem;
}

/* --- Servicios (3 columnas) --- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--bg-white);
  padding: 40px 32px;
  border-radius: var(--radius);
  border-bottom: 3px solid var(--accent);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(30px);
}

.service-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease, box-shadow var(--transition);
}

.service-card:nth-child(2).visible {
  transition-delay: 0.15s;
}

.service-card:nth-child(3).visible {
  transition-delay: 0.3s;
}

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

.service-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-light);
  border-radius: 50%;
  color: var(--accent);
}

.service-card__icon svg {
  width: 30px;
  height: 30px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card__divider {
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto 20px;
}

.service-card__title {
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.service-card__text {
  color: var(--text-gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Sobre Nosotros (2 columnas) --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about__text h3 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--primary);
  margin-bottom: 20px;
}

.about__text p {
  color: var(--text-gray);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.8;
}

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.about__stat {
  opacity: 0;
  transform: translateY(20px);
}

.about__stat.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.about__stat-number {
  font-family: Georgia, 'Times New Roman', Times, serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.about__stat-label {
  font-size: 0.85rem;
  color: var(--text-gray);
  margin-top: 4px;
}

.about__image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateX(30px);
}

.about__image.visible {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.about__image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.about__image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
}

/* --- Valores (timeline vertical) --- */
.values__timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: 40px;
}

.values__timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--secondary));
}

.values__item {
  position: relative;
  margin-bottom: 36px;
  padding-left: 24px;
  opacity: 0;
  transform: translateX(-20px);
}

.values__item.visible {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.values__item:last-child {
  margin-bottom: 0;
}

.values__item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 8px;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border: 3px solid var(--bg-light);
  border-radius: 50%;
  z-index: 1;
}

.values__item-title {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 6px;
}

.values__item-text {
  color: var(--text-gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Contacto (2 columnas: info + form) --- */
.contact {
  background: var(--bg-light);
}

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

.contact__info h3 {
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.contact__info > p {
  color: var(--text-gray);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact__detail {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact__detail-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  border-radius: var(--radius);
  color: var(--accent);
}

.contact__detail-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact__detail-text strong {
  display: block;
  font-size: 0.9rem;
  color: var(--primary);
  margin-bottom: 2px;
}

.contact__detail-text span,
.contact__detail-text a {
  font-size: 0.95rem;
  color: var(--text-gray);
}

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

.contact__form-wrapper {
  background: var(--bg-white);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border-bottom: 3px solid var(--accent);
}

.contact__form-wrapper h3 {
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 24px;
}

.form__group {
  margin-bottom: 20px;
}

.form__group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.form__group input,
.form__group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #ddd;
  border-radius: var(--radius-btn);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-dark);
  background: var(--bg-light);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form__group input:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(200, 164, 92, 0.15);
}

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

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

.form__submit {
  display: inline-block;
  width: 100%;
  padding: 14px 32px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.3px;
  transition: background var(--transition), transform var(--transition);
}

.form__submit:hover {
  background: var(--secondary);
  transform: translateY(-2px);
}

.form__message {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-btn);
  font-size: 0.9rem;
  display: none;
}

.form__message--success {
  display: block;
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #c8e6c9;
}

.form__message--error {
  display: block;
  background: #fbe9e7;
  color: #c62828;
  border: 1px solid #ffccbc;
}

/* --- Footer --- */
.footer {
  background: var(--primary);
  padding: 24px 0;
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__copy {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
}

.footer__link {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  transition: color var(--transition);
}

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

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 992px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__image {
    order: -1;
  }

  .about__image img {
    height: 320px;
  }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .navbar__links {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--primary);
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    box-shadow: var(--shadow-md);
  }

  .navbar__links.open {
    max-height: 300px;
    padding: 16px 0;
  }

  .navbar__links a {
    display: block;
    padding: 14px 24px;
    width: 100%;
    text-align: center;
    font-size: 1rem;
  }

  .navbar__links a::after {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero__content {
    padding-top: 100px;
    padding-right: 16px;
  }

  .hero__title {
    font-size: 2rem;
  }

  .services__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .about__stats {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .values__timeline {
    padding-left: 32px;
  }

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

  .footer .container {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .section {
    padding: 70px 0;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 90vh;
  }

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

  .contact__form-wrapper {
    padding: 24px;
  }
}