/* Senyu Holding Group — shared stylesheet for all pages */

:root {
  --color-primary: #006428;
  --color-primary-dark: #0f3e21;
  --color-accent: #cfbc99;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f3ee;
  --color-text: #1a1a1a;
  --color-text-light: #ffffff;
  --max-width: 1200px;
  --spacing-sm: 0.75rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  --font-base: "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header / Navigation */

.site-header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-bg-alt);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
}

.site-logo img {
  height: 64px;
  width: auto;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-md);
  margin: 0;
  padding: 0;
}

.site-nav a {
  text-decoration: none;
  font-weight: 600;
  color: var(--color-primary-dark);
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  border-bottom-color: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.75rem;
  color: var(--color-primary-dark);
  cursor: pointer;
}

/* Hero */

.hero {
  position: relative;
  color: var(--color-text-light);
  background-color: var(--color-primary-dark);
  background-size: cover;
  background-position: center 65%;
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 62, 33, 0.65);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: 720px;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 0 0 var(--spacing-sm);
}

.hero-content p {
  font-size: 1.15rem;
  margin: 0 0 var(--spacing-md);
}

/* Buttons */

.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  font-weight: 700;
  text-decoration: none;
  border-radius: 2px;
}

.btn:hover {
  opacity: 0.9;
}

/* Sections */

section {
  padding: var(--spacing-xl) 0;
}

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

.section-title {
  color: var(--color-primary-dark);
  font-size: 2rem;
  margin-top: 0;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

/* Trust signals grid */

.facts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.fact-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-bg-alt);
  border-radius: 4px;
  padding: var(--spacing-md);
}

.fact-card h3 {
  color: var(--color-primary);
  margin-top: 0;
}

/* Page links / promo cards */

.promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.promo-card {
  display: block;
  text-decoration: none;
  color: var(--color-text);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--color-bg-alt);
}

.promo-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.promo-card-body {
  padding: var(--spacing-md);
}

.promo-card-body h3 {
  color: var(--color-primary-dark);
  margin-top: 0;
}

/* Product cards */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.product-card {
  background-color: var(--color-bg);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--color-bg-alt);
}

.product-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.product-card-body {
  padding: var(--spacing-md);
}

.product-card-body h3 {
  color: var(--color-primary-dark);
  margin-top: 0;
}

/* Contact card */

.contact-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-bg-alt);
  border-radius: 4px;
  padding: var(--spacing-md);
  max-width: 420px;
}

.contact-card h3 {
  color: var(--color-primary-dark);
  margin-top: 0;
}

.contact-email {
  color: var(--color-primary);
  font-size: 1.15rem;
  font-weight: 700;
  text-decoration: none;
}

.contact-email:hover {
  text-decoration: underline;
}

/* Inquiry form */

.form-note {
  font-style: italic;
  color: var(--color-primary-dark);
}

.inquiry-form {
  display: grid;
  gap: var(--spacing-md);
  max-width: 560px;
  margin-top: var(--spacing-md);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-field label {
  font-weight: 600;
  color: var(--color-primary-dark);
}

.form-field input,
.form-field select,
.form-field textarea {
  font: inherit;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-bg-alt);
  border-radius: 4px;
  background-color: var(--color-bg);
  color: var(--color-text);
}

.inquiry-form .btn {
  justify-self: start;
  border: none;
  cursor: not-allowed;
  opacity: 0.7;
}

/* CTA band */

.cta-band {
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
  text-align: center;
}

.cta-band h2 {
  margin-top: 0;
}

/* Footer */

.site-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.footer-grid h3 {
  margin-top: 0;
  color: var(--color-accent);
}

.site-footer nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer nav a {
  text-decoration: none;
  color: var(--color-text-light);
}

.footer-bottom {
  text-align: center;
  margin-top: var(--spacing-lg);
  font-size: 0.85rem;
  opacity: 0.8;
}

/* Responsive */

@media (max-width: 768px) {
  .site-logo img {
    height: 48px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    width: 100%;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .site-nav li {
    border-top: 1px solid var(--color-bg-alt);
  }

  .site-nav a {
    display: block;
    padding: var(--spacing-sm) 0;
  }

  .two-col {
    grid-template-columns: 1fr;
  }
}