/* Asaiki Pte Ltd – dark theme, two-layer cards, green accent */

:root {
  --green-primary: #2d9d5c;
  --green-dark: #1a7a45;
  --green-vibrant: #34b368;
  --bg-dark: #161616;
  --bg-pattern: #1a1a1a;
  --card-bg: #252525;
  --card-border: #333;
  --text: #ffffff;
  --text-muted: #b8b8b8;
  --border: #3a3a3a;
  --max-width: 960px;
  --spacing: 1.5rem;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Subtle geometric pattern overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

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

a {
  color: var(--green-vibrant);
  text-decoration: none;
}

a:hover {
  color: var(--green-primary);
  text-decoration: underline;
}

/* Header */
.site-header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem var(--spacing);
}

.site-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 0.75rem;
}

.site-logo a {
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.site-logo-img {
  height: 2.25rem;
  width: auto;
  display: block;
  vertical-align: middle;
}

.site-logo a:hover {
  text-decoration: none;
  color: var(--green-vibrant);
}

.site-tagline {
  display: block;
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green-vibrant);
  flex-basis: 100%;
}

/* Nav */
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.site-nav a {
  color: var(--text-muted);
  font-weight: 500;
  padding: 0.35em 0;
}

.site-nav a:hover {
  color: var(--green-vibrant);
}

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--text);
  align-items: center;
  justify-content: center;
}

.nav-toggle .hamburger-icon {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 24px;
}

.nav-toggle .hamburger-icon span {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: opacity 0.2s, transform 0.2s;
}

.nav-toggle[aria-expanded="true"] {
  color: var(--green-vibrant);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
    margin-left: auto;
    order: 1;
    align-self: center;
  }

  .site-header .wrap {
    flex-wrap: wrap;
    align-items: center;
  }

  .site-header .wrap > .site-logo {
    flex: 0 1 auto;
    min-width: 0;
    max-width: calc(100% - 5.5rem);
    order: 0;
  }

  .site-nav {
    width: 100%;
    order: 2;
  }

  .site-nav ul {
    display: none;
    flex-direction: column;
    padding: 0.5rem 0 0;
    gap: 0;
    border-top: 1px solid var(--border);
    margin-top: 0.5rem;
  }

  .site-nav ul li {
    border-bottom: 1px solid var(--border);
  }

  .site-nav ul li:last-child {
    border-bottom: none;
  }

  .site-nav ul a {
    display: block;
    padding: 0.75rem 0;
    color: var(--text-muted);
  }

  .site-nav ul a:hover {
    color: var(--green-vibrant);
  }

  .site-nav ul.is-open {
    display: flex;
  }
}

/* Main content */
main {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing);
  min-height: 40vh;
}

/* Hero */
.hero {
  text-align: center;
  padding: 3rem 0 2rem;
}

.hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  color: var(--text);
  font-weight: 700;
}

.hero .tagline {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green-vibrant);
}

/* Section separator (e.g. WHAT WE DO) */
.section-separator {
  text-align: center;
  margin: 2.5rem 0 1.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green-vibrant);
}

/* Card label – same style as section separator, for use inside cards (About us, What we do) */
.card-label {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green-vibrant);
}

.section-card h2.card-label {
  font-size: 1.1rem;
  color: var(--green-vibrant);
}

.section-card .card-label {
  color: var(--green-vibrant);
}

/* Cards – two-layer content blocks */
.section-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.25rem;
}

.section-card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
  color: var(--text);
  font-weight: 600;
}

.section-card h3 {
  margin: 1.25rem 0 0.4rem;
  font-size: 1.1rem;
  color: var(--text);
  font-weight: 600;
}

.section-card h3:first-child {
  margin-top: 0;
}

.section-card p,
.section-card li {
  margin: 0 0 0.5rem;
  color: var(--text-muted);
}

.section-card ul {
  margin: 0 0 0.5rem;
  padding-left: 1.25rem;
}

.section-card a {
  color: var(--green-vibrant);
}

/* Legacy .section (for pages that don't use cards yet) */
.section {
  margin-bottom: 2rem;
}

.section h2 {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  color: var(--text);
  font-weight: 600;
}

.section h3 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.2rem;
  color: var(--text);
}

.section p {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
}

/* Product cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}

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

.card p,
.card li {
  color: var(--text-muted);
}

.card ul {
  margin: 0 0 0.5rem;
  padding-left: 1.25rem;
}

.section-card .card {
  background: rgba(0, 0, 0, 0.25);
  border-color: var(--border);
}

.partner-logo {
  margin: 1.25rem 0 0;
  padding: 0;
}

.partner-logo-img {
  display: block;
  max-height: 3.5rem;
  width: auto;
}

/* Contact block */
.contact-block {
  background: transparent;
  padding: 0.5rem 0 1rem;
}

.contact-block p {
  margin: 0.35rem 0;
  color: var(--text-muted);
}

.contact-block a {
  color: var(--text-muted);
}

.contact-block a:hover {
  color: var(--green-vibrant);
}

.contact-cta {
  text-align: center;
  margin-top: 1rem;
}

/* Email Us CTA */
.btn-email {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  max-width: 280px;
  margin-top: 1rem;
  padding: 0.85rem 1.25rem;
  background: var(--green-vibrant);
  color: var(--text) !important;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.btn-email:hover {
  background: var(--green-primary);
  text-decoration: none;
  color: var(--text) !important;
}

.btn-email::before {
  content: "";
  width: 1.1em;
  height: 1.1em;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z'/%3E%3Cpolyline points='22,6 12,13 2,6'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* Buttons / CTAs */
.btn {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  background: var(--green-vibrant);
  color: var(--text) !important;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
}

.btn:hover {
  background: var(--green-primary);
  text-decoration: none;
  color: var(--text) !important;
}

/* Footer */
.site-footer {
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  margin-top: 3rem;
  padding: 2rem var(--spacing);
}

.site-footer .wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
}

.site-footer a {
  color: var(--text-muted);
}

.site-footer a:hover {
  color: var(--green-vibrant);
}

.site-footer nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.25rem;
}

.site-footer small {
  opacity: 0.9;
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .site-footer .wrap {
    flex-direction: column;
    gap: 1.5rem;
  }
}

/* Legal pages */
.legal-page main {
  max-width: 720px;
}

.legal-page .section-card h2,
.legal-page .section h2 {
  font-size: 1.2rem;
  margin-top: 1.25rem;
  color: var(--text);
}

.legal-page .section-card h2:first-of-type,
.legal-page .section h2:first-of-type {
  margin-top: 0;
}

.legal-page .section-card p,
.legal-page .section p {
  color: var(--text-muted);
}

.legal-page .section-card a,
.legal-page .section a {
  color: var(--green-vibrant);
}