/* ===== Reset & base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--teal-dark); text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* ===== Typography ===== */
h1 { font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.15; font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); line-height: 1.2; font-weight: 700; }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); font-weight: 700; }

/* ===== Layout utilities ===== */
.container { width: min(1140px, 92%); margin-inline: auto; }
.section { padding-block: clamp(3rem, 8vw, 6rem); }
.section-title { text-align: center; margin-bottom: 0.75rem; }
.section-sub { text-align: center; color: var(--text-muted); max-width: 640px; margin: 0 auto 3rem; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-primary { background: var(--teal); color: #0A1628; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 212, 255, 0.4); background: var(--gold); }

/* ===== Scroll animation hooks ===== */
.fade-in-up { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in-up.visible { opacity: 1; transform: translateY(0); }

/* ===== Page sections (SPA routing) ===== */
.page { display: none; }
.page.active { display: block; animation: pageFade 0.25s ease; }
@keyframes pageFade { from { opacity: 0; } to { opacity: 1; } }

/* ===== Header ===== */
#site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: box-shadow 0.3s ease;
}
#site-header.header-scrolled { box-shadow: 0 2px 16px var(--shadow); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
main { padding-top: 68px; }
.logo { display: flex; align-items: center; gap: 0.6rem; }
.logo-img { display: block; width: 42px; height: auto; }
.logo-text { font-size: 1.15rem; letter-spacing: -0.01em; }
.logo-text strong { color: var(--teal-dark); font-weight: 800; }
.logo-text em { font-style: normal; color: var(--text); font-weight: 500; }

.nav { display: flex; align-items: center; gap: 1.75rem; }
.nav-link { position: relative; color: var(--text); font-weight: 500; padding-block: 0.4rem; }
.nav-link::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--teal); transition: width 0.25s ease;
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--teal-dark); }

.theme-toggle-btn { color: var(--text); display: grid; place-items: center; padding: 0.35rem; border-radius: 50%; }
.theme-toggle-btn:hover { color: var(--teal-dark); }
.hidden { display: none !important; }

/* Hamburger */
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.nav-toggle span { width: 24px; height: 2.5px; background: var(--text); border-radius: 2px; transition: transform 0.3s ease, opacity 0.3s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ===== Footer ===== */
#site-footer { background: #0A1628; color: #E8EDF5; padding-block: 3rem 2rem; margin-top: 4rem; }
#site-footer .logo-text em { color: #E8EDF5; }
#site-footer .logo-text strong { color: #00D4FF; }
.footer-inner { display: grid; gap: 1.5rem; text-align: center; }
.footer-brand p { color: #8899B4; margin-top: 0.4rem; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem; }
.footer-nav a { color: #E8EDF5; }
.footer-nav a:hover { color: #00D4FF; }
.footer-social { display: flex; justify-content: center; gap: 1.25rem; }
.footer-social a { color: #E8EDF5; transition: color 0.2s ease, transform 0.2s ease; }
.footer-social a:hover { color: #00D4FF; transform: translateY(-2px); }
.footer-copy { color: #8899B4; font-size: 0.875rem; }

/* ===== Floating CTA ===== */
.floating-cta {
  position: fixed; right: 1.5rem; bottom: 1.5rem; z-index: 999;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--teal); color: #0A1628;
  display: grid; place-items: center;
  box-shadow: 0 6px 20px rgba(0, 212, 255, 0.45);
  transition: transform 0.2s ease;
}
.floating-cta:hover { transform: scale(1.08); }
.cta-ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid var(--teal);
  animation: ctaPulse 2s ease-out infinite;
}
@keyframes ctaPulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ===== Mobile nav ===== */
@media (max-width: 767px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); box-shadow: 0 12px 24px var(--shadow);
    max-height: 0; overflow: hidden; transition: max-height 0.35s ease;
  }
  .nav.open { max-height: 420px; }
  .nav-link { padding: 1rem 1.5rem; border-bottom: 1px solid var(--border); }
  .theme-toggle-btn { margin: 0.75rem 1.5rem; justify-self: start; }
}

/* ===== Theme panel ===== */
.theme-panel {
  position: fixed; top: 76px; right: 1rem; z-index: 1001;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 1rem; width: 220px;
  box-shadow: 0 12px 32px var(--shadow);
  animation: pageFade 0.2s ease;
}
.theme-panel-title { font-weight: 700; margin-bottom: 0.75rem; font-size: 0.9rem; }
.theme-options { display: grid; gap: 0.5rem; }
.theme-swatch {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.5rem 0.6rem; border-radius: 8px;
  color: var(--text); font-size: 0.875rem; text-align: left;
  border: 1px solid transparent; transition: background 0.15s ease;
}
.theme-swatch:hover { background: color-mix(in srgb, var(--teal) 12%, transparent); }
.theme-swatch.selected { border-color: var(--teal); }
.swatch { width: 22px; height: 22px; border-radius: 50%; border: 1px solid var(--border); flex-shrink: 0; }
@media (max-width: 767px) {
  .theme-panel { right: 0.5rem; left: 0.5rem; width: auto; }
}


/* ===== Hero carousel ===== */
.carousel { position: relative; min-height: clamp(460px, 64vh, 620px); overflow: hidden; background: #0A1628; }
.carousel-track { position: absolute; inset: 0; }
.slide {
  position: absolute; inset: 0;
  display: flex; align-items: center;
  padding: 3.5rem 0 4rem;
  opacity: 0; transform: translateX(40px);
  transition: opacity 0.6s ease-in-out, transform 0.6s ease-in-out;
  pointer-events: none;
}
.slide.active { opacity: 1; transform: translateX(0); pointer-events: auto; }
.slide-bg { position: absolute; inset: 0; width: 100%; height: 100%; }
.slide-content { position: relative; z-index: 1; color: #E8EDF5; max-width: 1140px; }
.slide-kicker {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  color: #00D4FF; margin-bottom: 0.9rem;
}
.slide-kicker::before { content: ""; width: 28px; height: 2px; background: #FFB800; }
.slide-content h1 { max-width: 18ch; font-size: clamp(1.75rem, 3.6vw, 2.75rem); margin-bottom: 0.75rem; }
.slide-content p { max-width: 52ch; font-size: clamp(0.95rem, 1.4vw, 1.15rem); color: #B9C6DB; margin-bottom: 1.25rem; }
.slide-points { display: flex; flex-wrap: wrap; gap: 0.6rem; list-style: none; margin: 0 0 1.5rem; padding: 0; }
.slide-points li {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-size: 0.85rem; color: #E8EDF5;
  background: rgba(232, 237, 245, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 999px; padding: 0.35rem 0.9rem;
}
.slide-points li::before { content: "\2713"; color: #00D4FF; font-weight: 700; }
.slide-ctas { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn-ghost { border: 1px solid rgba(232, 237, 245, 0.45); color: #E8EDF5; background: transparent; }
.btn-ghost:hover { border-color: #00D4FF; color: #00D4FF; }

.carousel-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
  width: 46px; height: 46px; border-radius: 50%;
  background: rgba(232, 237, 245, 0.12); color: #E8EDF5;
  display: grid; place-items: center;
  transition: background 0.2s ease;
}
.carousel-arrow:hover { background: rgba(0, 212, 255, 0.35); }
.carousel-arrow.prev { left: 1rem; }
.carousel-arrow.next { right: 1rem; }

.carousel-dots {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%); z-index: 2;
  display: flex; gap: 0.6rem;
}
.carousel-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(232, 237, 245, 0.4);
  transition: transform 0.25s ease, background 0.25s ease;
}
.carousel-dot.active { background: #00D4FF; transform: scale(1.4); }

@media (max-width: 767px) {
  .carousel { min-height: 550px; }
  .carousel-arrow { width: 38px; height: 38px; }
  .slide { align-items: flex-start; padding: 2.5rem 0 2rem; }
  .slide-kicker { font-size: 0.72rem; margin-bottom: 0.6rem; }
  .slide-content h1 { font-size: 1.45rem; margin-bottom: 0.6rem; line-height: 1.2; }
  .slide-content p { font-size: 0.88rem; margin-bottom: 1rem; line-height: 1.5; }
  .slide-points { margin-bottom: 1.2rem; gap: 0.4rem; }
  .slide-points li { font-size: 0.75rem; padding: 0.25rem 0.65rem; }
  .slide-ctas { gap: 0.5rem; }
  .slide-ctas .btn { padding: 0.55rem 1.15rem; font-size: 0.825rem; }
}

/* ===== Services at a glance ===== */
.glance-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.glance-card {
  background: var(--surface); border-top: 3px solid var(--teal);
  border-radius: 12px; padding: 1.75rem 1.5rem;
  box-shadow: 0 2px 8px var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.glance-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px var(--shadow);
  background: color-mix(in srgb, var(--teal) 6%, var(--surface));
}
.glance-card svg { margin-bottom: 1rem; }
.glance-card p { color: var(--text-muted); font-size: 0.95rem; margin-top: 0.4rem; }
.glance-more { text-align: center; margin-top: 2.5rem; font-weight: 600; }

.surface-band { background: var(--surface); }
#global-map { max-width: 520px; margin-inline: auto; }
.globe-continents { animation: globeRotate 24s linear infinite; }
@keyframes globeRotate {
  from { transform: translate(130px, 120px) translateX(0); }
  to { transform: translate(130px, 120px) translateX(-400px); }
}
.mini-globe-continents { animation: miniGlobeRotate 24s linear infinite; }
@keyframes miniGlobeRotate {
  from { transform: translate(85px, 10px) scale(0.342) translateX(0); }
  to { transform: translate(85px, 10px) scale(0.342) translateX(-400px); }
}
.globe-lines { animation: globeSpin 7s linear infinite; }
@keyframes globeSpin { to { transform: translateX(-64px); } }
.globe-arc { stroke-dasharray: 5 9; opacity: 0; }
#global-map.visible .globe-arc { opacity: 1; animation: arcFlow 3.5s linear infinite; transition: opacity 0.8s ease 1.2s; }
@keyframes arcFlow { to { stroke-dashoffset: -84; } }
.globe-sat-spin { animation: satSpin 14s linear infinite; transform-origin: 0 0; }
@keyframes satSpin { to { transform: rotate(360deg); } }
.mini-globe-sat-spin { animation: miniSatSpin 10s linear infinite; transform-origin: 0 0; }
@keyframes miniSatSpin { to { transform: rotate(360deg); } }
.map-dot { opacity: 0; transform-box: fill-box; transform-origin: center; }
#global-map.visible .map-dot { animation: dotIn 0.5s ease forwards, dotPulse 2.4s ease-in-out 0.6s infinite; }
#global-map.visible .map-dot:nth-child(1) { animation-delay: 0.1s, 0.6s; }
#global-map.visible .map-dot:nth-child(2) { animation-delay: 0.3s, 0.8s; }
#global-map.visible .map-dot:nth-child(3) { animation-delay: 0.5s, 1.0s; }
#global-map.visible .map-dot:nth-child(4) { animation-delay: 0.7s, 1.2s; }
#global-map.visible .map-dot:nth-child(5) { animation-delay: 0.9s, 1.4s; }
#global-map.visible .map-dot:nth-child(6) { animation-delay: 1.1s, 1.6s; }
.contact-info.visible .map-dot { animation: dotIn 0.5s ease forwards, dotPulse 2.4s ease-in-out 0.6s infinite; }
.contact-info.visible .map-dot:nth-child(1) { animation-delay: 0.1s, 0.6s; }
.contact-info.visible .map-dot:nth-child(2) { animation-delay: 0.3s, 0.8s; }
.contact-info.visible .map-dot:nth-child(3) { animation-delay: 0.5s, 1.0s; }
.contact-info.visible .map-dot:nth-child(4) { animation-delay: 0.7s, 1.2s; }
.contact-info.visible .map-dot:nth-child(5) { animation-delay: 0.9s, 1.4s; }
.contact-info.visible .map-dot:nth-child(6) { animation-delay: 1.1s, 1.6s; }
@keyframes dotIn { from { opacity: 0; transform: scale(0); } to { opacity: 1; transform: scale(1); } }
@keyframes dotPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

/* ===== Numbers band ===== */
.numbers-band { background: #0A1628; color: #E8EDF5; padding-block: 3.5rem; }
.numbers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; text-align: center; }
.stat-value, .stat-plus { font-size: clamp(2.25rem, 5vw, 3.25rem); font-weight: 800; color: #00D4FF; }
.stat p { color: #8899B4; margin-top: 0.25rem; }

@media (max-width: 1023px) { .glance-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px) {
  .glance-grid { grid-template-columns: 1fr; }
  .numbers-grid { grid-template-columns: 1fr; }
}

/* ===== Prose / different page ===== */
.prose { position: relative; max-width: 720px; }
.prose h1 { margin-bottom: 2rem; }
.prose p { margin-bottom: 1.25rem; font-size: 1.05rem; }
.prose-bg { position: absolute; top: -1rem; right: -4rem; width: 320px; pointer-events: none; }
.pull-quote {
  border-left: 4px solid var(--teal);
  padding: 0.75rem 1.5rem; margin: 2rem 0;
  font-size: 1.3rem; font-weight: 600; font-style: italic;
  color: var(--teal-dark);
  background: color-mix(in srgb, var(--teal) 6%, transparent);
  border-radius: 0 8px 8px 0;
}

/* ===== Comparison table ===== */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 12px; box-shadow: 0 2px 12px var(--shadow); }
.compare-table { width: 100%; min-width: 560px; border-collapse: collapse; background: var(--bg); }
.compare-table th, .compare-table td { padding: 0.85rem 1.25rem; text-align: left; border-bottom: 1px solid var(--border); }
.compare-table thead th { background: #0A1628; color: #E8EDF5; font-weight: 700; }
.compare-table thead th:nth-child(2) { color: #00D4FF; }
.compare-table td.yes, .compare-table td.no, .compare-table td.partial { text-align: center; font-weight: 700; }
.compare-table td.yes { background: rgba(0, 212, 255, 0.10); color: var(--teal-dark); }
.compare-table td.no { background: rgba(220, 60, 60, 0.10); color: #C0392B; }
.compare-table td.partial { background: rgba(255, 184, 0, 0.12); color: #B07C00; }
:root[data-theme="dark"] .compare-table td.yes { color: #00D4FF; }
:root[data-theme="dark"] .compare-table td.no { color: #FF7B6B; }
:root[data-theme="dark"] .compare-table td.partial { color: #FFB800; }

/* ===== CTA block ===== */
.cta-block { text-align: center; }
.cta-block h2 { margin-bottom: 1.5rem; }

@media (max-width: 767px) { .prose-bg { display: none; } }

/* ===== Services page ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; align-items: stretch; }
.service-card {
  position: relative; background: var(--surface); border-radius: 14px;
  padding: 0 1.5rem 1.5rem; overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: 0 2px 10px var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: 0 14px 32px var(--shadow); }
.accent-bar { height: 5px; margin: 0 -1.5rem 1.5rem; background: linear-gradient(90deg, var(--accent-a), var(--accent-b)); }
.service-icon { margin-bottom: 1rem; }
.service-card h3 { margin-bottom: 0.5rem; }
.service-card > p { color: var(--text-muted); font-size: 0.95rem; flex-grow: 1; }
.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-block: 1rem; }
.tags span {
  font-family: ui-monospace, monospace; font-size: 0.75rem;
  padding: 0.2rem 0.65rem; border-radius: 999px;
  background: color-mix(in srgb, var(--teal) 12%, transparent);
  color: var(--teal-dark); border: 1px solid color-mix(in srgb, var(--teal) 30%, transparent);
}
.learn-more { color: var(--teal-dark); font-weight: 600; padding: 0.25rem 0; align-self: flex-start; }
.learn-more::after { content: ' ▾'; font-size: 0.8em; }
.learn-more[aria-expanded="true"]::after { content: ' ▴'; }
.service-detail {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, margin-top 0.35s ease;
}
.service-detail.open { max-height: 320px; margin-top: 0.75rem; }
.service-detail p { font-size: 0.9rem; color: var(--text-muted); border-top: 1px solid var(--border); padding-top: 0.75rem; }
.featured-badge {
  display: inline-block;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--navy); background: linear-gradient(90deg, var(--teal), var(--gold));
  border-radius: 999px; padding: 0.25rem 0.75rem; margin-bottom: 0.6rem;
}

@media (max-width: 1023px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px) { .services-grid { grid-template-columns: 1fr; } }

/* ===== Contact page ===== */
.contact-grid { display: grid; grid-template-columns: 3fr 2fr; gap: 3rem; align-items: start; }
.contact-form-wrap { background: var(--surface); border-radius: 14px; padding: 2rem; box-shadow: 0 2px 12px var(--shadow); }
#contact-form label { display: block; font-weight: 600; font-size: 0.9rem; margin: 1.1rem 0 0.35rem; }
#contact-form label:first-child { margin-top: 0; }
#contact-form input, #contact-form textarea {
  width: 100%; padding: 0.7rem 0.9rem;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text); font: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
#contact-form input:focus, #contact-form textarea:focus {
  outline: none; border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
}
#contact-form input.invalid, #contact-form textarea.invalid { border-color: #C0392B; }
#contact-form button { margin-top: 1.5rem; }
.form-error { color: #C0392B; font-size: 0.875rem; margin-top: 1rem; }
.form-success { text-align: center; padding: 2rem 1rem; }
.form-success svg { margin: 0 auto 1rem; }
.form-success p { color: var(--text-muted); }

.contact-info { background: var(--surface); border-radius: 14px; padding: 2rem; box-shadow: 0 2px 12px var(--shadow); }
.contact-info h3 { margin-bottom: 1.25rem; }
.info-row { margin-bottom: 0.9rem; }
.mini-map { margin-block: 1.5rem; }
.info-note { color: var(--text-muted); font-size: 0.9rem; }

@media (max-width: 767px) { .contact-grid { grid-template-columns: 1fr; gap: 1.5rem; } }

/* ===== Accessibility ===== */
:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}