/* --- Variables --- */
:root {
  --bg-dark: #f3f4f6;          /* page background */
  --bg-card: #ffffff;          /* surfaces */
  --bg-elevated: #f9fafb;      /* subtle contrast surface */
  --text: #0f172a;
  --text-muted: #6b7280;
  --accent: #0f766e;           /* deep teal */
  --accent-soft: #14b8a6;      /* lighter teal */
  --accent-glow: rgba(20, 184, 166, 0.2);
  --border: rgba(15, 23, 42, 0.08);
  --font-display: 'Space Grotesk', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* --- Reset & base --- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text);
  background: var(--bg-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 1.5rem;
  background: rgba(248, 250, 252, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}
.header.scrolled {
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
}
.nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 50%;
}
.logo-text {
  line-height: 1.2;
}
.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 2rem;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.nav-links a:hover {
  color: var(--accent);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 7rem 1.5rem 5rem;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(20, 184, 166, 0.16), transparent 55%),
    radial-gradient(circle at bottom right, rgba(15, 23, 42, 0.08), transparent 55%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-copy {
  text-align: left;
}
.hero-tagline {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 1rem;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 1.25rem;
  letter-spacing: -0.02em;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}
.btn {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg-dark);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}
.btn-outline:hover {
  background: rgba(15, 118, 110, 0.08);
  transform: translateY(-2px);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
  align-items: center;
  margin-bottom: 1.5rem;
}
.hero-secondary-link {
  font-size: 0.95rem;
  color: var(--accent-soft);
  text-decoration: none;
}
.hero-secondary-link:hover {
  text-decoration: underline;
}
.hero-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.35rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.hero-highlights li::before {
  content: "•";
  color: var(--accent-soft);
  margin-right: 0.4rem;
}
.hero-media {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.hero-medallion-frame {
  border-radius: 24px;
  padding: 1.25rem;
  background:
    radial-gradient(circle at top left, rgba(201, 162, 39, 0.28), transparent 55%),
    radial-gradient(circle at bottom right, rgba(0, 0, 0, 0.6), transparent 55%),
    #141210;
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.65),
    0 0 0 1px rgba(255, 255, 255, 0.05);
}
.hero-medallion-frame img {
  width: 100%;
  display: block;
  border-radius: 18px;
}
.hero-media-caption {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 28rem;
}
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

/* --- Sections --- */
.section {
  padding: 5.5rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  text-align: center;
  margin: 0 0 0.75rem;
}
.section-intro {
  text-align: center;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 3rem;
  font-size: 1.05rem;
}

/* --- About --- */
.about {
  background: var(--bg-card);
}
.about-grid {
  max-width: 820px;
  margin: 0 auto;
}
.about-text p {
  margin: 0 0 1.2rem;
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* --- Use cases --- */
.use-cases {
  background: var(--bg-elevated);
}
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
  margin-bottom: 3rem;
}
.use-case-card {
  background: var(--bg-elevated);
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 1.75rem 1.5rem;
}
.use-case-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  margin: 0 0 0.5rem;
}
.use-case-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* --- CTA blocks --- */
.cta-block {
  text-align: center;
  border-radius: 14px;
  border: 1px solid var(--border);
  padding: 2.25rem 1.75rem;
  background: radial-gradient(circle at top left, rgba(201, 162, 39, 0.14), transparent 55%), var(--bg-elevated);
}
.cta-block--mid {
  margin-top: 1rem;
}
.cta-block--bottom {
  margin-top: 3rem;
}
.cta-block h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  margin: 0 0 0.75rem;
}
.cta-block p {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
}
.cta-sub {
  font-size: 0.95rem;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.5rem;
  margin-top: 1rem;
}
.cta-link {
  color: var(--accent-soft);
  font-weight: 500;
  text-decoration: none;
}
.cta-link:hover {
  text-decoration: underline;
}

/* --- Process --- */
.process {
  background: var(--bg-card);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}
.process-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}
.process-card:hover {
  border-color: rgba(201, 162, 39, 0.3);
  transform: translateY(-4px);
}
.process-num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
  opacity: 0.7;
  display: block;
  margin-bottom: 0.5rem;
}
.process-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  margin: 0 0 0.5rem;
}
.process-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* --- Options --- */
.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}
.option-card {
  text-align: center;
  padding: 2rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.option-card:hover {
  border-color: rgba(201, 162, 39, 0.25);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}
.option-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.option-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  margin: 0 0 0.5rem;
}
.option-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* --- Gallery --- */
.gallery {
  padding-bottom: 5rem;
  background: var(--bg-card);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}
.gallery-item {
  aspect-ratio: 1;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.gallery-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-card) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* --- FAQ --- */
.faq {
  background: var(--bg-elevated);
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}
.faq-item {
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 1.5rem 1.75rem;
  background: var(--bg-card);
}
.faq-item h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  margin: 0 0 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.faq-item p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  display: flex;
  gap: 0.6rem;
}
.faq-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-soft);
  flex-shrink: 0;
}
.faq-label--answer {
  opacity: 0.6;
}

/* --- Contact --- */
.contact {
  background: var(--bg-card);
  padding: 5rem 1.5rem;
}
.contact-simple-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.contact-simple-list a {
  font-size: 1rem;
  color: var(--accent);
  text-decoration: none;
}
.contact-simple-list a:hover {
  text-decoration: underline;
}

/* --- Contact section --- */
.contact-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.contact-panel {
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
}
.contact-panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.contact-email-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem 1rem;
  margin: 0 0 1rem;
  font-size: 1rem;
}
.contact-email-link {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  word-break: break-all;
}
.contact-email-link:hover {
  text-decoration: underline;
}
.copy-email-btn {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;
  cursor: pointer;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-elevated);
  color: var(--text);
  transition: border-color 0.2s, background 0.2s;
}
.copy-email-btn:hover {
  border-color: var(--accent-soft);
  background: var(--bg-card);
}
.copy-email-btn.copied {
  border-color: var(--accent);
  color: var(--accent);
}
.contact-hint {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}
.contact-address {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* --- Footer --- */
.footer {
  padding: 2.5rem 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer-brand-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.25rem;
}
.footer-logo-img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 50%;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0;
}
.footer-tagline {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.footer-contact {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.footer-contact a,
.footer-contact p {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  margin: 0.25rem 0;
}
.footer-contact a:hover {
  color: var(--accent-soft);
}

/* --- Mobile nav --- */
@media (max-width: 768px) {
  .logo-text { display: none; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--bg-elevated);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform 0.3s;
    border-left: 1px solid var(--border);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 1.1rem; }
}
@media (min-width: 769px) {
  .container { max-width: 1200px; margin: 0 auto; }
}