:root {
  /* Colors — warm natural palette */
  --color-primary: #4A7A59;
  --color-primary-dark: #3A6347;
  --color-primary-light: #6B9E7A;
  --color-accent: #F4A261;
  --color-accent-hover: #E08A3E;
  --color-bg: #FFFBF7;
  --color-bg-alt: #F5F1EB;
  --color-bg-dark: #2C2C2C;
  --color-text: #2C2C2C;
  --color-text-light: #6B6B6B;
  --color-text-on-dark: #F5F1EB;
  --color-border: #E0D8CC;
  --color-white: #FFFFFF;
  --color-success: #4CAF50;
  --color-error: #D32F2F;

  /* Typography */
  --font-primary: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 5rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 64px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.1);
}
body {
  font-family: var(--font-primary);
  font-size: 1rem;
  color: var(--color-text);
  background-color: var(--color-bg);
}

h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

h2 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
}

/* Utility classes */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.section {
  padding: var(--space-3xl) 0;
}

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

.section-title {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title h2 {
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.section-title p {
  font-size: 1.1rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center {
  text-align: center;
}
/* ========== HEADER ========== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-nav);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.header__left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header__whatsapp {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  text-decoration: none;
  background: #25D366;
  border-radius: 50%;
  transition: transform 0.2s, box-shadow 0.2s;
}

.header__whatsapp img {
  display: block;
}

.header__whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(25, 180, 80, 0.5);
}

/* ========== HERO (Home) ========== */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  background: linear-gradient(135deg, #4A7A59 0%, #3A6347 40%, #2C4A35 100%);
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: var(--space-3xl) var(--space-lg);
}

.hero__title {
  font-size: 1.75rem;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.hero__subtitle {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

/* ========== HERO SPLIT (Homepage two-column) ========== */
.hero-split {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 60vh;
}

.hero-split__text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-3xl) var(--space-lg);
  background: var(--color-white);
}

.hero-split__text h1 {
  font-size: 2rem;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.hero-split__text p {
  font-size: 1.05rem;
  margin-bottom: var(--space-xl);
}

.hero-split__cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.hero-split__image {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  min-height: 300px;
  overflow: hidden;
  aspect-ratio: 3 / 2;
}

.hero-split__image--product {
  aspect-ratio: 4 / 3;
}

.hero-split__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

/* ========== PAGE HERO (inner pages) ========== */
.page-hero {
  background: linear-gradient(135deg, #4A7A59 0%, #3A6347 100%);
  padding: var(--space-3xl) 0;
  text-align: center;
}

.page-hero__title {
  font-size: 1.75rem;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.page-hero__subtitle {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.05rem;
}

/* ========== STATS ========== */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.stat-card {
  text-align: center;
  padding: var(--space-xl);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.stat-card__number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  margin-bottom: var(--space-xs);
}

.stat-card__label {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* ========== TRUST BADGES ========== */
.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  padding: var(--space-md);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
}

/* ========== ABOUT PAGE ========== */
.about-story {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

.about-story__image {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
}

.about-story__image img,
.about-story__image video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* ========== CONTACT PAGE ========== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-info__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
}

.contact-info__item h4 {
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.contact-info__item p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ========== CTA STRIP ========== */
.cta-strip {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-3xl) 0;
  text-align: center;
}

.cta-strip h2 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.cta-strip p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-xl);
}

/* ========== FOOTER ========== */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer__col p,
.footer__col li {
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text-on-dark);
  opacity: 0.85;
}

.footer__col a {
  color: var(--color-text-on-dark);
  opacity: 0.85;
  text-decoration: none;
}

.footer__col a:hover {
  color: var(--color-primary-light);
  opacity: 1;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* ========== FINISH DESCRIPTION ========== */
.finish-desc {
  display: flex;
  align-items: center;
}

.finish-desc__text {
  font-size: 1.05rem;
  margin-bottom: 0;
}

/* ========== LAYOUT GRIDS ========== */
.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.features-grid--mt {
  margin-top: var(--space-xl);
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}
/* ========== LOGO ========== */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-decoration: none;
}

.logo__icon {
  font-size: 1.5rem;
}

/* ========== NAVIGATION — Desktop ========== */
.nav-desktop {
  display: none;
  gap: var(--space-xl);
}

.nav-desktop__link {
  font-weight: 500;
  color: var(--color-text-light);
  padding: var(--space-sm) 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  text-decoration: none;
}

.nav-desktop__link:hover,
.nav-desktop__link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.nav-desktop__lang {
  font-weight: 600;
  color: var(--color-primary);
  margin-left: var(--space-sm);
}

/* ========== NAVIGATION — Mobile ========== */
.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: var(--space-md) 0;
}

.nav-mobile.is-open {
  display: flex;
}

.nav-mobile__link {
  padding: var(--space-md) var(--space-lg);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: background 0.2s;
}

.nav-mobile__link:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

/* ========== HAMBURGER BUTTON ========== */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle__bar {
  display: block;
  width: 100%;
  height: 2.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-block;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-md);
  transition: background 0.2s, transform 0.15s;
  text-decoration: none;
  cursor: pointer;
  border: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
}

.btn--accent {
  background: var(--color-accent);
  color: var(--color-white);
}

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

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

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn--sm {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.85rem;
}

.btn--md {
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.95rem;
}

.btn--lg {
  padding: var(--space-md) var(--space-2xl);
  font-size: 1.1rem;
}

.btn--white {
  background: var(--color-white);
  color: var(--color-primary-dark);
}

.btn--white:hover {
  background: var(--color-bg-alt);
}

/* ========== PRODUCT CARD ========== */
.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s, transform 0.2s;
  text-decoration: none;
  display: block;
}

.product-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.product-card__image {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card__body {
  padding: var(--space-lg);
}

.product-card__body h3 {
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.product-card__body p {
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.product-card__price {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.product-card__price strong {
  font-size: 1.2rem;
  color: var(--color-primary-dark);
}

/* ========== CERT IMAGE ========== */
.cert-img {
  width: 100%;
  max-width: 260px;
  height: auto;
  margin: 0 auto var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: block;
}

/* ========== FEATURE CARD ========== */
.feature-card {
  text-align: center;
  padding: var(--space-xl);
}

.feature-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.feature-card h3 {
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: 0.95rem;
}

/* ========== CONTACT FORM ========== */
.contact-form {
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.form-group label .required {
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  min-height: 44px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(224, 90, 45, 0.15);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

/* ========== FORM FEEDBACK ========== */
.form-feedback {
  display: none;
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  margin-top: var(--space-md);
  font-size: 0.95rem;
}

.form-feedback--success {
  display: block;
  background: #E8F5E9;
  color: #2E7D32;
  border: 1px solid #A5D6A7;
}

.form-feedback--error {
  display: block;
  background: #FFEBEE;
  color: #C62828;
  border: 1px solid #EF9A9A;
}

/* ========== FAQ ========== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--space-lg);
  background: var(--color-white);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  color: var(--color-text);
}

.faq-question::after {
  content: "+";
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-left: var(--space-md);
  transition: transform 0.3s;
}

.faq-item.open .faq-question::after {
  content: "\2212";
}

.faq-answer {
  display: none;
  padding: 0 var(--space-lg) var(--space-lg);
  font-size: 0.95rem;
  color: var(--color-text-light);
}

.faq-item.open .faq-answer {
  display: block;
}

/* ========== DATA TABLE ========== */
.data-table {
  width: 100%;
  font-size: 0.95rem;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  font-weight: 600;
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.data-table td {
  color: var(--color-text-light);
}

/* ========== FOOTER ========== */
.footer__heading {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}
/* Tablet: 768px+ */
@media (min-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }

  /* Header */
  .menu-toggle { display: none; }
  .nav-desktop { display: flex; }
  .nav-mobile { display: none !important; }

  /* Hero */
  .hero { min-height: 70vh; }
  .hero__title { font-size: 2.5rem; }
  .hero__subtitle { font-size: 1.15rem; }
  .hero__cta { flex-direction: row; justify-content: center; }
  .page-hero__title { font-size: 2.25rem; }

  /* Hero Split */
  .hero-split { grid-template-columns: 1fr 1fr; }
  .hero-split__text h1 { font-size: 2.5rem; }
  .hero-split__cta { flex-direction: row; }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .stat-card__number { font-size: 2.5rem; }

  /* Grids */
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(3, 1fr); }

  /* About */
  .about-story { grid-template-columns: 1fr 1fr; }

  /* Contact */
  .contact-layout { grid-template-columns: 1.2fr 0.8fr; }

  /* Footer */
  .footer__grid { grid-template-columns: 1.5fr 1fr 1fr; }
}

/* Desktop: 1024px+ */
@media (min-width: 1024px) {
  .hero__title { font-size: 3rem; }
  .hero__subtitle { font-size: 1.2rem; }
  .hero-split__text h1 { font-size: 3rem; }
  .hero-split__text p { font-size: 1.2rem; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(4, 1fr); }
  .values-grid { grid-template-columns: repeat(3, 1fr); }
  .trust-grid { grid-template-columns: repeat(4, 1fr); }
}

/* Wide: 1200px+ */
@media (min-width: 1200px) {
  .container {
    padding-left: 0;
    padding-right: 0;
  }
}