/*
  Aquamarine Alliance s.r.o. landing page
  High-tech corporate theme, responsive, accessible
*/

:root {
  color-scheme: dark;
  --bg: #0b1015;
  --bg-2: #101820;
  --surface: #131c25;
  --surface-2: #16212b;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e7f2f7;
  --muted: #a6b7c4;
  --accent: #3cf3d3;
  --accent-2: #55c3ff;
  --accent-3: #2b6cff;
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --max-width: 1160px;
}

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

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% -10%, rgba(60, 243, 211, 0.2), transparent),
    radial-gradient(800px 400px at 90% 10%, rgba(85, 195, 255, 0.2), transparent),
    var(--bg);
  min-height: 100vh;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.bg-glow {
  position: fixed;
  inset: 0;
  background: radial-gradient(500px 240px at 80% 10%, rgba(43, 108, 255, 0.2), transparent);
  pointer-events: none;
  z-index: -1;
}

.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(16px);
  background: rgba(11, 16, 21, 0.7);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
}

.logo-image {
  height: 40px;
  width: auto;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  font-family: var(--mono);
  cursor: pointer;
  transition: all 0.3s ease;
}

.lang-switch .lang.active {
  color: var(--text);
}

.lang-switch:hover {
  border-color: rgba(60, 243, 211, 0.5);
  color: var(--text);
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #021218;
  font-weight: 600;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(60, 243, 211, 0.35);
}

.cta-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

.secondary {
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  border: 1px solid rgba(60, 243, 211, 0.35);
  color: var(--text);
  font-weight: 500;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.secondary:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
  gap: 2.5rem;
  padding: 6rem 0 4rem;
}

.hero-content h1 {
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  margin: 0 0 1rem;
}

.eyebrow {
  font-family: var(--mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  font-size: 0.78rem;
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 2rem 0;
}

.hero-metrics {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.metric {
  font-family: var(--mono);
  font-size: 1.2rem;
  color: var(--accent);
}

.metric-label {
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-visual {
  display: grid;
  place-items: center;
}

.grid-card {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  border: 1px solid rgba(60, 243, 211, 0.25);
  background: linear-gradient(160deg, rgba(19, 28, 37, 0.9), rgba(12, 17, 24, 0.9));
  overflow: hidden;
  box-shadow: var(--shadow);
}

.grid-line {
  position: absolute;
  background: rgba(255, 255, 255, 0.04);
}

.grid-line:nth-child(1),
.grid-line:nth-child(2),
.grid-line:nth-child(3) {
  width: 1px;
  height: 100%;
  top: 0;
}

.grid-line:nth-child(1) {
  left: 20%;
}

.grid-line:nth-child(2) {
  left: 50%;
}

.grid-line:nth-child(3) {
  left: 80%;
}

.grid-line:nth-child(4),
.grid-line:nth-child(5),
.grid-line:nth-child(6) {
  height: 1px;
  width: 100%;
  left: 0;
}

.grid-line:nth-child(4) {
  top: 25%;
}

.grid-line:nth-child(5) {
  top: 50%;
}

.grid-line:nth-child(6) {
  top: 75%;
}

.orb {
  position: absolute;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  top: 25%;
  left: 30%;
  background: radial-gradient(circle, rgba(60, 243, 211, 0.8), rgba(60, 243, 211, 0));
  filter: blur(2px);
  animation: float 6s ease-in-out infinite;
}

.pulse {
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 1px solid rgba(85, 195, 255, 0.4);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: pulse 4s ease-in-out infinite;
}

.tech-label {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: rgba(231, 242, 247, 0.6);
  letter-spacing: 0.2em;
}

section {
  padding: 4rem 0;
}

.section-heading h2 {
  margin: 0.5rem 0 1.5rem;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.section-sub {
  margin: -0.5rem 0 2rem;
  color: var(--muted);
  max-width: 640px;
}

.about-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.about-highlights {
  display: grid;
  gap: 1.5rem;
}

.highlight {
  padding: 1.2rem 1.4rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}

.highlight-title {
  display: block;
  font-family: var(--mono);
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.6rem;
  border-radius: var(--radius);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(60, 243, 211, 0.5);
}

.tag {
  display: inline-flex;
  margin-top: 1rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(85, 195, 255, 0.4);
  font-size: 0.75rem;
  font-family: var(--mono);
  color: var(--accent-2);
}

.photo-set {
  padding-top: 2rem;
}

.photo-strip {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid rgba(60, 243, 211, 0.25);
  background: var(--surface);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: rgba(60, 243, 211, 0.4) transparent;
}

.photo-strip::-webkit-scrollbar {
  height: 8px;
}

.photo-strip::-webkit-scrollbar-thumb {
  background: rgba(60, 243, 211, 0.35);
  border-radius: 999px;
}

.photo-track {
  display: flex;
  gap: 1.2rem;
  padding: 1.2rem;
  width: max-content;
  animation: slide 26s linear infinite;
}

.photo-strip:hover .photo-track,
.photo-strip:focus-within .photo-track {
  animation-play-state: paused;
}

.photo-track img {
  width: clamp(220px, 32vw, 320px);
  height: clamp(160px, 24vw, 220px);
  object-fit: cover;
  border-radius: 14px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.35);
  scroll-snap-align: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.tech-chip {
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(85, 195, 255, 0.3);
  background: var(--surface-2);
  text-align: center;
  font-family: var(--mono);
  font-size: 0.9rem;
}

.tech-note {
  margin-top: 1.5rem;
  color: var(--muted);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.partner-chip {
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(60, 243, 211, 0.25);
  background: var(--surface-2);
  text-align: center;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--text);
}

.process-steps {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.step {
  padding: 1.5rem;
  background: linear-gradient(160deg, rgba(19, 28, 37, 0.95), rgba(11, 16, 21, 0.8));
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.step-index {
  font-family: var(--mono);
  color: var(--accent);
}

.contact-grid {
  align-items: start;
}

.contact-info p {
  color: var(--muted);
  line-height: 1.6;
}

.contact-card {
  margin-top: 1.5rem;
  padding: 1.4rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  display: grid;
  gap: 0.8rem;
}

.contact-card .label {
  font-family: var(--mono);
  color: var(--accent);
  display: block;
}

.contact-card .value {
  color: var(--muted);
}

.contact-form {
  display: grid;
  gap: 1rem;
  background: var(--surface);
  padding: 1.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.contact-form input,
.contact-form textarea {
  background: var(--bg-2);
  border: 1px solid transparent;
  color: var(--text);
  padding: 0.8rem 0.9rem;
  border-radius: 10px;
  font-family: var(--sans);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(60, 243, 211, 0.6);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  background: rgba(10, 14, 19, 0.9);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-title {
  font-weight: 600;
}

.footer-sub,
.footer-meta {
  color: var(--muted);
  display: block;
}

/* Animations */
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes pulse {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.8;
  }
  70% {
    transform: translate(-50%, -50%) scale(1.08);
    opacity: 0.2;
  }
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.8;
  }
}

@keyframes slide {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@media (max-width: 900px) {
  .nav-actions {
    gap: 0.6rem;
  }

  .cta,
  .secondary {
    padding: 0.8rem 1.2rem;
  }
}

@media (max-width: 700px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .hero {
    padding-top: 4rem;
  }

  .photo-track {
    animation: none;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}