/* === Reset & Base === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-background: #0e1117;
  --color-primary: #3b82f6;
  --color-text: #e2e8f0;
  --color-secondary: #e2e8f0;
  --color-secondary-light: rgba(226, 232, 240, 0.15);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --shadow-natural: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
  --spacing-xxl: 5rem;
  --max-width: 1200px;
}

html {
  scroll-behavior: smooth;
}

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

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

a:hover {
  text-decoration: underline;
}

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

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

/* === Header === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-background);
  padding: 0.75rem 2rem;
  border-bottom: 1px solid rgba(226, 232, 240, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo img {
  height: 46px;
  width: auto;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

.main-nav .nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
}

.main-nav .nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  transition: color 0.2s;
}

.main-nav .nav-links a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
}

/* === Hero === */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(160deg, #0e1117 0%, #1a1f2e 40%, #162033 70%, #0e1117 100%);
  padding: 4rem 2rem 2rem;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero-content h1 {
  font-size: clamp(1.8rem, 1.8rem + 2vw, 2.75rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: #fff;
}

.hero-subtitle {
  font-size: clamp(1rem, 1rem + 0.5vw, 1.5rem);
  font-weight: 400;
  color: #fff;
  margin-bottom: var(--spacing-lg);
}

.btn-primary {
  display: inline-block;
  background-color: var(--color-primary);
  color: #fff;
  padding: 0.75em 1.5em;
  border-radius: 9999px;
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid var(--color-primary);
  transition: background-color 0.2s, transform 0.1s;
}

.btn-primary:hover {
  background-color: #2563eb;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  background-color: transparent;
  color: #fff;
  padding: 0.75em 1.5em;
  border-radius: 9999px;
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid rgba(255, 255, 255, 0.5);
  transition: border-color 0.2s, transform 0.1s;
  opacity: 0.7;
  cursor: default;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.marketplace-cta {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.coming-soon-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* === About === */
.about-section {
  padding: var(--spacing-xxl) 0;
}

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

.about-image img {
  border-radius: 10px;
  box-shadow: var(--shadow-natural);
  aspect-ratio: 16/10;
  object-fit: cover;
  width: 100%;
}

.lightbox-trigger {
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.lightbox-trigger:hover {
  transform: translateY(-3px);
}

.about-text h2 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.5;
  margin-bottom: var(--spacing-lg);
}

.about-text p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

/* === Services / Capabilities === */
.services-section {
  padding: 2rem 0 3rem;
  background-color: var(--color-secondary-light);
  border-top: 1px solid rgba(226, 232, 240, 0.08);
  border-bottom: 1px solid rgba(226, 232, 240, 0.08);
}

.section-title {
  text-align: center;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

/* Header CTA */
.header-cta-wrapper {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  margin-left: 1.5rem;
  padding-left: 1.5rem;
  border-left: 1px solid rgba(226, 232, 240, 0.2);
}

.header-cta {
  background-color: var(--color-primary);
  color: #fff !important;
  padding: 0.4em 1em;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  transition: background-color 0.2s, transform 0.1s;
  opacity: 0.7;
  cursor: default;
}

.header-coming-soon {
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Tab Bar */
.feature-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.tab-btn {
  background: transparent;
  border: 2px solid rgba(226, 232, 240, 0.2);
  color: var(--color-text);
  padding: 0.6em 1.2em;
  border-radius: 9999px;
  font-family: var(--font-family);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s, color 0.2s;
}

.tab-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.tab-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* Tab Panels */
.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Feature Hero */
.feature-hero {
  margin-bottom: var(--spacing-lg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-natural);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-hero:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.feature-hero img {
  width: 100%;
  height: auto;
  display: block;
}

/* Feature Copy */
.feature-copy {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.feature-copy h3 {
  color: var(--color-primary);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.feature-copy p {
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.7;
}

/* Feature Gallery */
.feature-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.gallery-thumb {
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--color-background);
  box-shadow: var(--shadow-natural);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.gallery-thumb:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.gallery-thumb img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
}

.gallery-thumb figcaption {
  padding: 0.6rem 0.8rem;
  font-size: 0.85rem;
  color: var(--color-text);
  opacity: 0.85;
  line-height: 1.4;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.9);
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.lightbox.active {
  display: flex;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
  transition: opacity 0.2s;
}

.lightbox-close:hover {
  opacity: 0.7;
}

/* === Contact === */
.contact-section {
  padding: var(--spacing-xl) 0;
}

.contact-form-wrapper {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-lg) 0;
}

.contact-form .form-group {
  margin-bottom: var(--spacing-md);
}

.contact-form label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(226, 232, 240, 0.2);
  border-radius: 8px;
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: 0.95rem;
  transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.contact-form textarea {
  resize: vertical;
}

.btn-submit {
  width: 100%;
  cursor: pointer;
  font-size: 1rem;
  margin-top: var(--spacing-sm);
}

.form-status {
  margin-top: var(--spacing-md);
  font-size: 0.9rem;
  min-height: 1.2em;
}
.form-status--success { color: #4ade80; }
.form-status--error { color: #f87171; }

/* === Footer === */
.site-footer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  text-align: center;
}

.footer-divider {
  border: none;
  border-top: 1px solid rgba(226, 232, 240, 0.2);
  margin-bottom: var(--spacing-lg);
}

.footer-info {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

.footer-info a {
  font-size: 0.875rem;
  color: var(--color-text);
}

.footer-info a:hover {
  text-decoration: underline;
}

.footer-copyright p {
  font-size: 0.875rem;
  color: var(--color-text);
}

/* === Privacy Page === */
.privacy-page {
  padding: var(--spacing-xl) 0;
  min-height: calc(100vh - 200px);
}

.privacy-page h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.privacy-page .privacy-subtitle-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
}

.privacy-page .privacy-subtitle {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-text);
  opacity: 0.8;
  margin: 0;
}

.privacy-page .effective-date {
  color: var(--color-text);
  opacity: 0.8;
  margin: 0;
  white-space: nowrap;
}

.privacy-page h2 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.privacy-page p {
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.privacy-page ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.privacy-page ul li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

.privacy-page .back-link {
  margin-top: var(--spacing-xl);
}

/* === Responsive === */
@media (max-width: 1024px) {
  .feature-gallery {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 782px) {
  .nav-toggle {
    display: block;
  }

  .main-nav .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-background);
    flex-direction: column;
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid rgba(226, 232, 240, 0.1);
  }

  .main-nav .nav-links.active {
    display: flex;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .feature-tabs {
    gap: 0.4rem;
  }

  .tab-btn {
    font-size: 0.78rem;
    padding: 0.5em 0.9em;
  }

  .feature-gallery {
    grid-template-columns: 1fr 1fr;
  }

  .header-cta-wrapper {
    border-left: none;
    margin-left: 0;
    padding-left: 0;
  }

  .footer-info {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .site-header {
    padding: 0.75rem 1.5rem;
  }
}