.section-alt { background: var(--bg-1); }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.service-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px; position: relative; overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.service-card::before {
  content: ''; position: absolute; inset: 0 0 auto; height: 3px; background: var(--gradient-brand);
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s ease;
}
.service-card:hover { transform: translateY(-6px); border-color: var(--blue); background: var(--surface-hover); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: rgba(58, 163, 227, 0.12); border: 1px solid var(--border-strong); color: var(--blue);
  margin-bottom: 20px; transition: background 0.3s ease, color 0.3s ease;
}
.service-icon svg { width: 28px; height: 28px; }
.service-card:hover .service-icon { background: var(--gradient-brand); color: var(--text-on-brand); }
.service-card h3 { margin-bottom: 10px; }
.service-summary { color: var(--text-secondary); margin-bottom: 20px; }
.service-list li {
  display: flex; align-items: flex-start; gap: 10px; padding: 6px 0;
  font-size: 0.9375rem; color: var(--text-primary);
}
.service-list li svg { flex-shrink: 0; width: 16px; height: 16px; margin-top: 4px; color: var(--green); }

/* Why SALT */
.why-salt { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.why-salt-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); }
.why-salt-media img { width: 100%; height: 100%; object-fit: cover; }
.why-salt-copy h2 { margin-bottom: 20px; }
.why-salt-copy > p { color: var(--text-secondary); margin-bottom: 36px; }
.feature-row { display: flex; gap: 18px; padding: 20px 0; border-top: 1px solid var(--border); }
.feature-row:first-of-type { border-top: none; padding-top: 0; }
.feature-icon {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px; background: rgba(43, 182, 115, 0.12);
  color: var(--green); display: flex; align-items: center; justify-content: center;
}
.feature-icon svg { width: 22px; height: 22px; }
.feature-row h4 { font-size: 1.0625rem; margin-bottom: 6px; }
.feature-row p { color: var(--text-secondary); font-size: 0.9375rem; margin: 0; }

/* SALT Tech Apps bridge */
.apps-bridge { overflow: hidden; }
.apps-showcase {
  display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: clamp(40px, 8vw, 100px);
  padding: clamp(38px, 6vw, 72px); border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: radial-gradient(circle at 85% 35%, rgba(58,163,227,.12), transparent 34%), linear-gradient(145deg, rgba(20,36,60,.92), rgba(8,19,33,.95));
  box-shadow: 0 30px 90px rgba(0,0,0,.22); position: relative; overflow: hidden;
}
.apps-showcase::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: .2;
  background-image: linear-gradient(rgba(122,168,220,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(122,168,220,.08) 1px, transparent 1px);
  background-size: 48px 48px; mask-image: linear-gradient(90deg, transparent 30%, black);
}
.apps-copy { position: relative; z-index: 2; }
.apps-copy h2 { margin-bottom: 18px; }
.apps-copy p { max-width: 650px; margin-bottom: 22px; color: var(--text-secondary); }
.apps-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 28px; }
.apps-tags span { padding: 6px 11px; border: 1px solid var(--border); border-radius: 999px; color: #b8cce0; background: rgba(58,163,227,.06); font-size: .78rem; }
.apps-orbit { width: min(100%, 330px); aspect-ratio: 1; justify-self: center; position: relative; display: grid; place-items: center; }
.apps-orbit::before, .apps-orbit::after { content: ''; position: absolute; border-radius: 50%; border: 1px dashed rgba(58,163,227,.22); }
.apps-orbit::before { inset: 2%; }
.apps-orbit::after { inset: 19%; border-color: rgba(43,182,115,.18); }
.apps-orbit-ring { position: absolute; inset: 2%; border-radius: 50%; animation: apps-orbit-spin 26s linear infinite; }
.apps-orbit-core {
  position: relative; z-index: 2; width: 132px; aspect-ratio: 1; display: grid; place-content: center; text-align: center;
  border: 1px solid rgba(58,163,227,.34); border-radius: 50%; background: radial-gradient(circle, rgba(58,163,227,.18), rgba(10,18,32,.92) 68%);
  box-shadow: 0 0 60px rgba(58,163,227,.14);
}
.apps-orbit-core strong { font-family: var(--font-display); font-size: 1.4rem; letter-spacing: .05em; }
.apps-orbit-core span { color: var(--green); font-size: .66rem; letter-spacing: .16em; }
.orbit-node {
  position: absolute; width: 48px; height: 48px; display: grid; place-items: center; border-radius: 13px;
  border: 1px solid rgba(58,163,227,.3); color: #84cfff; background: rgba(11,27,45,.96);
  box-shadow: 0 0 25px rgba(58,163,227,.13); font-family: var(--font-display); font-size: .75rem;
  animation: apps-orbit-counter 26s linear infinite;
}
.orbit-node-web { top: 5%; left: 17%; }
.orbit-node-ai { top: 20%; right: 1%; color: #72dfaa; }
.orbit-node-cloud { bottom: 2%; right: 25%; color: #72dfaa; }
.orbit-node-mobile { bottom: 18%; left: 0; }
@keyframes apps-orbit-spin { to { transform: rotate(360deg); } }
@keyframes apps-orbit-counter { to { transform: rotate(-360deg); } }

/* Process */
.process-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.process-step { position: relative; padding-top: 28px; }
.process-step::before {
  content: attr(data-step); font-family: var(--font-display); font-size: 2.5rem; font-weight: 700;
  background: var(--gradient-brand); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; opacity: 0.5; display: block; margin-bottom: 12px;
}
.process-step h4 { margin-bottom: 10px; font-size: 1.0625rem; }
.process-step p { color: var(--text-secondary); font-size: 0.9375rem; margin: 0; }
.process-strip::after {
  content: ''; position: absolute; top: 42px; left: 5%; right: 5%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent); z-index: -1;
}

/* Power Stack teaser */
.lab-teaser {
  display: grid; grid-template-columns: 1.25fr 0.75fr; align-items: center; gap: 48px;
  padding: clamp(36px, 6vw, 72px); border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(20,36,60,.92), rgba(10,34,42,.9)); overflow: hidden;
}
.lab-teaser h2 { margin-bottom: 16px; }
.lab-teaser p { color: var(--text-secondary); margin-bottom: 28px; max-width: 620px; }
.power-preview {
  position: relative; width: min(100%, 280px); aspect-ratio: 10 / 12; justify-self: center;
  border: 1px solid var(--border-strong); border-radius: 14px; overflow: hidden;
  background-color: rgba(6,16,28,.78);
  background-image: linear-gradient(rgba(122,168,220,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(122,168,220,.08) 1px, transparent 1px);
  background-size: 10% 8.333%; transform: perspective(700px) rotateY(-7deg);
}
.power-piece { position: absolute; width: 10%; aspect-ratio: 1; border-radius: 3px; box-shadow: 10px 0 currentColor, 20px 0 currentColor, 10px 10px currentColor; }
.power-piece-one { top: 18%; left: 20%; color: var(--blue); background: var(--blue); animation: preview-fall 5s ease-in-out infinite; }
.power-piece-two { bottom: 17%; right: 30%; color: var(--green); background: var(--green); transform: rotate(90deg); }
.power-blast { position: absolute; left: 0; right: 0; bottom: 8.333%; height: 8.333%; background: linear-gradient(90deg, transparent, rgba(58,163,227,.75), rgba(43,182,115,.9), transparent); animation: preview-blast 2.8s ease-in-out infinite; }
@keyframes preview-fall { 0%, 15% { transform: translateY(-40px); opacity: 0; } 35%, 75% { transform: translateY(60px); opacity: 1; } 100% { transform: translateY(140px); opacity: 0; } }
@keyframes preview-blast { 0%, 55%, 100% { opacity: 0; transform: scaleX(.2); } 68% { opacity: 1; transform: scaleX(1); } 82% { opacity: 0; transform: scaleX(1.3); } }

/* Contact and footer */
.contact-panel {
  background: linear-gradient(160deg, var(--bg-1) 0%, #0D2135 60%, #0F2A2A 100%);
  border: 1px solid var(--border); border-radius: var(--radius-lg); padding: clamp(40px, 6vw, 72px); text-align: center;
}
.contact-panel h2 { margin-bottom: 16px; }
.contact-panel .lead { color: var(--text-secondary); max-width: 560px; margin: 0 auto 40px; font-size: 1.0625rem; }
.contact-cards { display: grid; grid-template-columns: repeat(2, minmax(240px, 320px)); gap: 20px; justify-content: center; margin-bottom: 32px; }
.contact-card {
  display: flex; align-items: center; gap: 16px; background: rgba(20, 36, 60, 0.6); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 24px; text-align: left; transition: border-color 0.25s ease, transform 0.25s ease;
}
.contact-card:hover { border-color: var(--blue); transform: translateY(-3px); }
.contact-card .feature-icon { background: rgba(58,163,227,0.14); color: var(--blue); }
.contact-card .label { font-size: 0.8125rem; color: var(--text-secondary); }
.contact-card .value { font-weight: 600; font-size: 1.0625rem; }
.contact-address { color: var(--text-secondary); font-size: 0.9375rem; }
.site-footer { border-top: 1px solid var(--border); padding: 64px 0 32px; background: var(--bg-1); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .logo img { height: 32px; margin-bottom: 18px; filter: brightness(1.12); }
.footer-brand p { color: var(--text-secondary); font-size: 0.9375rem; margin-bottom: 16px; max-width: 320px; }
.footer-brand .entity { display: block; color: var(--text-secondary); font-size: 0.875rem; }
.footer-col h4 { font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-secondary); margin-bottom: 18px; }
.footer-col ul li { padding: 6px 0; }
.footer-col ul li a { color: var(--text-primary); font-size: 0.9375rem; transition: color 0.2s ease; }
.footer-col ul li a:hover { color: var(--green); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 24px; display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 12px; color: var(--text-secondary); font-size: 0.8125rem;
}

@media (max-width: 1200px) { .why-salt { gap: 40px; } }
@media (max-width: 900px) {
  .main-nav { display: none; }
  .header-actions .btn-primary { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu {
    position: fixed; inset: 0; background: var(--bg-0); z-index: 99; display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 28px; transform: translateY(-100%); opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .mobile-menu.is-open { transform: translateY(0); opacity: 1; }
  .mobile-menu a { font-size: 1.5rem; font-family: var(--font-display); font-weight: 600; }
  .mobile-menu .lang-switch { font-size: 1rem; }
  .stats .container { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .services-grid, .why-salt, .lab-teaser, .apps-showcase { grid-template-columns: 1fr; }
  .why-salt-media { order: -1; max-height: 320px; }
  .power-preview { max-width: 260px; }
  .apps-orbit { max-width: 270px; }
  .process-strip { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .process-strip::after { display: none; }
  .contact-cards, .footer-grid { grid-template-columns: 1fr; }
  .footer-grid { gap: 32px; }
}
@media (prefers-reduced-motion: reduce) {
  .apps-orbit-ring, .orbit-node { animation: none; }
}
@media (max-width: 600px) {
  .hero-content { padding-top: 120px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { justify-content: center; }
  .stats .container { grid-template-columns: 1fr 1fr; }
  .process-strip { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}