/**
 * Golden Alpha Technologies — Main styles
 * Layout, components, spacing rhythm. Uses theme-kit/theme.css variables.
 */

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
  width: 100%;
  min-width: 0;
}

/* —— Focus (accessibility) —— */
a:focus-visible,
.btn:focus-visible {
  outline: 2px solid transparent;
  outline-offset: 2px;
  box-shadow: var(--ga-focus-ring);
}
.btn:focus-visible {
  box-shadow: 0 0 0 1px var(--ga-border-focus), 0 0 0 3px var(--ga-cream);
}

/* —— Base & layout —— */
.min-h-screen {
  min-height: 100vh;
}
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1 1 0%; min-width: 0; }
main { width: 100%; min-width: 0; }

.container {
  width: 100%;
  max-width: var(--ga-container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--ga-section-padding-x);
  padding-right: var(--ga-section-padding-x);
  min-width: 0;
}
@media (max-width: 639px) {
  .container {
    padding-right: 1.5rem;
  }
}
@media (min-width: 640px) {
  .container {
    padding-left: var(--ga-section-padding-x-sm);
    padding-right: var(--ga-section-padding-x-sm);
  }
}

/* —— Header —— */
.site-header {
  border-bottom: 1px solid var(--ga-border);
  background-color: hsla(40, 45%, 94%, 0.95);
  backdrop-filter: blur(4px);
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  min-width: 0;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4rem;
  height: auto;
  gap: var(--ga-space-4);
  flex-wrap: wrap;
}
.logo {
  min-width: 0;
  text-decoration: none;
  color: inherit;
  transition: opacity 0.15s ease;
}
.logo:hover {
  opacity: 0.8;
}
.logo-img {
  display: block;
  height: 2.25rem;
  width: auto;
  max-width: 160px;
  object-fit: contain;
}
.logo-text {
  font-family: var(--ga-font-serif);
  font-weight: var(--ga-font-semibold);
  font-size: var(--ga-text-lg);
  color: var(--ga-near-black);
  overflow-wrap: break-word;
  word-break: break-word;
}
.nav {
  display: flex;
  align-items: center;
  gap: var(--ga-space-6);
}
.nav a {
  font-size: var(--ga-text-sm);
  color: rgba(26, 25, 21, 0.8);
  text-decoration: none;
  transition: color 0.15s ease;
}
.nav a:hover {
  color: var(--ga-accent);
}

/* —— Hero —— */
.hero {
  padding-top: var(--ga-space-12);
  padding-bottom: var(--ga-space-8);
}
@media (min-width: 768px) {
  .hero {
    padding-top: 5rem;
    padding-bottom: 2.5rem;
  }
}
.hero-title {
  font-family: var(--ga-font-serif);
  font-size: var(--ga-text-4xl);
  font-weight: var(--ga-font-semibold);
  color: var(--ga-near-black);
  letter-spacing: var(--ga-tracking-tight);
  line-height: var(--ga-leading-tight);
  margin: 0;
}
@media (min-width: 768px) {
  .hero-title {
    font-size: var(--ga-text-5xl);
  }
}
.hero-tagline {
  margin-top: var(--ga-space-4);
  font-size: var(--ga-text-lg);
  color: rgba(26, 25, 21, 0.8);
  max-width: 42rem;
  line-height: var(--ga-leading-snug);
  overflow-wrap: break-word;
}
.hero-sub {
  margin-top: var(--ga-space-2);
  font-size: var(--ga-text-sm);
  color: rgba(26, 25, 21, 0.6);
  max-width: 36rem;
  overflow-wrap: break-word;
}
.hero-actions {
  margin-top: var(--ga-space-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--ga-space-4);
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-size: var(--ga-text-sm);
  font-weight: var(--ga-font-medium);
  border-radius: var(--ga-radius);
  text-decoration: none;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background-color: var(--ga-accent);
  color: var(--ga-cream);
}
.btn-primary:hover {
  background-color: var(--ga-accent-light);
}
.btn-secondary {
  border-color: var(--ga-border-focus);
  color: var(--ga-accent);
  background: transparent;
}
.btn-secondary:hover {
  background-color: var(--ga-accent-muted);
}
.btn-icon {
  padding: 0.625rem 1rem;
}
.btn-icon .icon-linkedin {
  width: 1.25rem;
  height: 1.25rem;
  display: block;
}
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(26, 25, 21, 0.7);
  text-decoration: none;
  transition: color 0.15s ease;
}
.social-link:hover {
  color: var(--ga-accent);
}
.social-link .icon-linkedin {
  width: 1.25rem;
  height: 1.25rem;
  display: block;
}

/* —— Sections —— */
.section {
  padding-top: var(--ga-section-padding-y);
  padding-bottom: var(--ga-section-padding-y);
}
.section-alt + .section {
  padding-top: var(--ga-space-4);
}
.section-alt {
  background-color: var(--ga-bg-subtle);
  border-top: 1px solid var(--ga-border);
}
.section-title {
  font-family: var(--ga-font-serif);
  font-size: var(--ga-text-xl);
  font-weight: var(--ga-font-semibold);
  color: var(--ga-near-black);
  margin: 0 0 var(--ga-space-6);
}
.section-desc {
  font-size: var(--ga-text-sm);
  color: rgba(26, 25, 21, 0.6);
  margin: 0 0 var(--ga-space-8);
  max-width: 42rem;
}

/* —— About —— */
.about-card {
  padding: var(--ga-space-6);
  border-radius: var(--ga-radius-lg);
  border: 1px solid var(--ga-border);
  background-color: var(--ga-bg-elevated);
  min-width: 0;
}
.about-card p {
  margin: 0;
  font-size: var(--ga-text-sm);
  color: rgba(26, 25, 21, 0.7);
  line-height: var(--ga-leading-normal);
}
.about-lead {
  margin-bottom: var(--ga-space-3) !important;
}

/* —— Ventures grid —— */
.ventures-grid {
  display: grid;
  gap: var(--ga-space-4);
  grid-template-columns: 1fr;
  min-width: 0;
}
@media (min-width: 640px) {
  .ventures-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .ventures-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.venture-card {
  display: block;
  padding: var(--ga-space-4);
  border-radius: var(--ga-radius-lg);
  border: 1px solid var(--ga-border);
  background-color: var(--ga-cream);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease;
  min-width: 0;
  overflow-wrap: break-word;
}
.venture-card:hover {
  border-color: rgba(45, 74, 62, 0.3);
}
.venture-card-highlight {
  border-color: rgba(45, 74, 62, 0.2);
  background-color: var(--ga-cream);
}
.venture-card-highlight:hover {
  border-color: rgba(45, 74, 62, 0.35);
}
.venture-name {
  font-size: var(--ga-text-base);
  font-weight: var(--ga-font-medium);
  color: var(--ga-near-black);
  margin: 0 0 var(--ga-space-1);
}
.venture-desc {
  font-size: var(--ga-text-sm);
  color: rgba(26, 25, 21, 0.7);
  margin: 0;
  line-height: var(--ga-leading-snug);
}
.venture-link {
  display: inline-block;
  margin-top: var(--ga-space-3);
  font-size: var(--ga-text-sm);
  font-weight: var(--ga-font-medium);
  color: var(--ga-accent);
}
.venture-card:hover .venture-link {
  text-decoration: underline;
}

/* —— CTA —— */
.section-cta {
  background-color: var(--ga-accent-tint);
  border-top: 1px solid var(--ga-border);
}
.cta-card {
  display: flex;
  flex-direction: column;
  gap: var(--ga-space-4);
  padding: var(--ga-space-5);
  border-radius: var(--ga-radius-lg);
  border: 1px solid rgba(45, 74, 62, 0.2);
  background-color: var(--ga-cream);
  min-width: 0;
}
@media (min-width: 640px) {
  .cta-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}
.cta-title {
  font-size: var(--ga-text-base);
  font-weight: var(--ga-font-semibold);
  color: var(--ga-near-black);
  margin: 0 0 var(--ga-space-1);
}
.cta-text {
  font-size: var(--ga-text-sm);
  color: rgba(26, 25, 21, 0.7);
  margin: 0;
}
.cta-email {
  margin: var(--ga-space-2) 0 0;
  font-size: var(--ga-text-sm);
}
.cta-email a {
  color: var(--ga-accent);
  text-decoration: none;
}
.cta-email a:hover {
  text-decoration: underline;
}
.cta-content {
  flex: 1;
}

/* —— Footer —— */
.site-footer {
  border-top: 1px solid var(--ga-border);
  margin-top: auto;
}
.site-footer .container {
  padding-top: var(--ga-space-8);
  padding-bottom: var(--ga-space-8);
}
.footer-main {
  display: flex;
  flex-direction: column;
  gap: var(--ga-space-6);
}
@media (min-width: 640px) {
  .footer-main {
    flex-direction: row;
    justify-content: space-between;
  }
}
.footer-logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--ga-space-3);
  text-decoration: none;
  color: inherit;
  transition: opacity 0.15s ease;
}
.footer-logo-link:hover {
  opacity: 0.85;
}
.footer-logo-img {
  display: block;
  height: 2rem;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  flex-shrink: 0;
}
.footer-logo-text {
  font-family: var(--ga-font-serif);
  font-weight: var(--ga-font-semibold);
  font-size: var(--ga-text-lg);
  color: var(--ga-near-black);
}
.footer-logo-link:hover .footer-logo-text {
  color: var(--ga-accent);
}
.footer-brand .logo-text {
  font-family: var(--ga-font-serif);
  font-weight: var(--ga-font-semibold);
  font-size: var(--ga-text-lg);
  color: var(--ga-near-black);
  text-decoration: none;
}
.footer-brand .logo-text:hover {
  color: var(--ga-accent);
}
.footer-tagline {
  margin-top: var(--ga-space-2);
  font-size: var(--ga-text-sm);
  color: rgba(26, 25, 21, 0.7);
  max-width: 28rem;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ga-space-6);
  font-size: var(--ga-text-sm);
  justify-content: flex-end;
  align-items: center;
}
.footer-nav .social-link + a[href="#contact"] {
  margin-left: calc(-1 * (var(--ga-space-6) - var(--ga-space-2)));
}
.footer-nav a {
  color: rgba(26, 25, 21, 0.7);
  text-decoration: none;
  transition: color 0.15s ease;
}
.footer-nav a:hover {
  color: var(--ga-accent);
}
.footer-legal {
  margin-top: var(--ga-space-6);
  padding-top: var(--ga-space-6);
  border-top: 1px solid rgba(45, 74, 62, 0.1);
}
.footer-legal p {
  margin: 0;
  font-size: var(--ga-text-xs);
  color: rgba(26, 25, 21, 0.6);
}