/* ═══════════════════════════════════════════════
   Falcotec — Vanilla CSS
   Design System: Premium Dark Glass
   ═══════════════════════════════════════════════ */

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

:root {
  --bg: #070d16;
  --bg-elevated: #0c1422;
  --fg: #edf3fb;
  --fg-secondary: #95aec6;
  --primary: #42b6ff;
  --primary-strong: #1e8bff;
  --secondary: #2fe0ff;
  --accent: #b6e5ff;
  --danger: #ef4444;
  --border: rgba(84,126,178,0.22);
  --border-hover: rgba(84,126,178,0.4);
  --glass-bg: rgba(12,18,30,0.78);
  --radius: 1rem;
  --shadow-glow: 0 8px 32px rgba(66,182,255,0.08);
  --shadow-glow-strong: 0 0 24px rgba(66,182,255,0.4);
}

html { scroll-behavior: smooth; }

body {
  position: relative;
  min-height: 100vh;
  isolation: isolate;
  background: var(--bg);
  color: var(--fg);
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before,
body::after {
  content: '';
  position: fixed;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0;
  transition: opacity 0.55s ease;
  z-index: 0;
}
body::before {
  width: clamp(360px, 40vw, 550px);
  height: clamp(360px, 40vw, 550px);
  top: 15em;
  left: 0;
  background: rgba(66,182,255,0.16);
  animation: falcotec-orb-main 20s infinite alternate ease-out;
}
body::after {
  width: clamp(280px, 30vw, 440px);
  height: clamp(280px, 30vw, 440px);
  top: 45vh;
  right: -5rem;
  background: rgba(47,224,255,0.1);
  animation: falcotec-orb-secondary 26s infinite alternate ease-in-out;
}
body.bg-fx-active::before {
  opacity: 0.85;
}
body.bg-fx-active::after {
  opacity: 0.72;
}
body > * {
  position: relative;
  z-index: 1;
}
@keyframes falcotec-orb-main {
  0%, 100% {
    transform: translate3d(50em, 5em, 0) scale(1.35);
  }
  50% {
    transform: translate3d(0, -5em, 0) scale(1);
  }
}
@keyframes falcotec-orb-secondary {
  0%, 100% {
    transform: translate3d(-26em, -2em, 0) scale(1);
  }
  50% {
    transform: translate3d(-4em, 6em, 0) scale(1.2);
  }
}
@media (prefers-reduced-motion: reduce) {
  body::before,
  body::after {
    animation: none;
  }
}

h1,h2,h3,h4,h5,h6 { font-family: 'Space Grotesk', sans-serif; line-height: 1.15; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ── Utilities ────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-2xl { max-width: 42rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-base { font-size: 1rem; }
.text-2xl { font-size: 1.5rem; }
.text-5xl { font-size: 3rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-display { font-family: 'Space Grotesk', sans-serif; }
.font-mono { font-family: 'JetBrains Mono', monospace; }
.text-secondary { color: var(--fg-secondary); }
.text-foreground { color: var(--fg); }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mb-10 { margin-bottom: 2.5rem; }
.relative { position: relative; }
.h-24 { height: 6rem; }
.flex-center { display: flex; align-items: center; justify-content: center; }

.text-gradient {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Section ──────────────────────────────────── */
.section {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 6rem 1rem;
}
.section::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.26;
  background-image:
    linear-gradient(rgba(84,126,178,0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(84,126,178,0.14) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: 0 0, 0 0;
  -webkit-mask-image: linear-gradient(to bottom, transparent 2%, rgba(0,0,0,0.88) 16%, rgba(0,0,0,0.9) 84%, transparent 98%);
  mask-image: linear-gradient(to bottom, transparent 2%, rgba(0,0,0,0.88) 16%, rgba(0,0,0,0.9) 84%, transparent 98%);
  animation: section-grid-drift 24s linear infinite;
}
.section > .container {
  position: relative;
  z-index: 1;
}

@keyframes section-grid-drift {
  0% { background-position: 0 0, 0 0; }
  100% { background-position: 0 64px, 64px 0; }
}
@media(min-width:768px) {
  .section { padding: 8rem 2rem; }
}
@media (prefers-reduced-motion: reduce) {
  .section::before { animation: none; }
}

.eyebrow,
.badge-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
  background: linear-gradient(135deg, rgba(66,182,255,0.14), rgba(47,224,255,0.08));
  border: 1px solid rgba(84,126,178,0.35);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.12), 0 8px 24px rgba(5,10,20,0.4);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 0.375rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.eyebrow {
  margin-bottom: 1rem;
}

/* ── Grid ─────────────────────────────────────── */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(1, 1fr); }
.grid-3 { grid-template-columns: repeat(1, 1fr); }
.grid-4 { grid-template-columns: repeat(2, 1fr); }
.grid-5 { grid-template-columns: repeat(2, 1fr); }
.grid-2-sm { grid-template-columns: repeat(1, 1fr); }
.grid-2-lg { grid-template-columns: 1fr; }

@media(min-width:640px) {
  .grid-2-sm { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
}
@media(min-width:768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .grid-5 { grid-template-columns: repeat(5, 1fr); }
}
@media(min-width:1024px) {
  .grid-2-lg { grid-template-columns: 1fr 1fr; gap: 4rem; }
}

/* ── Glass Panels ─────────────────────────────── */
.glass-panel {
  background: var(--glass-bg);
  border: 1px solid var(--border);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-radius: var(--radius);
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--border);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  will-change: transform;
}
.glass-card::after {
  content: '';
  position: absolute;
  inset: -120% -30%;
  pointer-events: none;
  opacity: 0;
  transform: translateX(-45%) rotate(8deg);
  background: linear-gradient(118deg, transparent 42%, rgba(66,182,255,0.18) 50%, transparent 58%);
  transition: transform 0.75s ease, opacity 0.35s ease;
}
.glass-card:hover {
  border-color: rgba(84,126,178,0.58);
  box-shadow: 0 12px 36px rgba(66,182,255,0.14);
  transform: translateY(-6px) scale(1.01);
}
.glass-card:hover::after {
  opacity: 1;
  transform: translateX(58%) rotate(8deg);
}

/* ── Header ───────────────────────────────────── */
#site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1.25rem 0;
  transition: all 0.3s ease;
}
#site-header.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
}
.header-inner {
  max-width: 1400px; margin: 0 auto; padding: 0 1rem;
  display: flex; align-items: center; justify-content: space-between;
}
@media(min-width:768px) { .header-inner { padding: 0 2rem; } }

.logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}
.logo-image {
  width: clamp(140px, 15vw, 190px);
  height: auto;
  display: block;
}

.nav-desktop { display: none; align-items: center; gap: 2rem; }
.nav-desktop a { font-size: 0.875rem; color: var(--fg-secondary); transition: color 0.2s; }
.nav-desktop a:hover { color: var(--fg); }
@media(min-width:768px) { .nav-desktop { display: flex; } }

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(9,18,31,0.72);
}
.nav-desktop .lang-switch { margin-left: 0.25rem; }

.lang-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.15rem;
  padding: 0.26rem 0.5rem;
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem !important;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-secondary) !important;
  line-height: 1;
}
.lang-link:hover {
  color: var(--fg) !important;
  background: rgba(255,255,255,0.06);
}
.lang-link.active {
  color: var(--bg) !important;
  background: var(--primary);
}

.menu-toggle {
  display: flex; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--fg); border-radius: 2px; transition: 0.3s; }
@media(min-width:768px) { .menu-toggle { display: none; } }

.nav-mobile {
  display: none; margin: 0.5rem 1rem; padding: 1rem;
  background: var(--glass-bg); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border); border-radius: var(--radius);
}
.nav-mobile.open { display: block; }
.nav-mobile a { display: block; padding: 0.75rem 0; color: var(--fg-secondary); transition: color 0.2s; }
.nav-mobile a:hover { color: var(--fg); }
.nav-mobile .lang-switch {
  margin-top: 0.5rem;
  width: fit-content;
}
.nav-mobile .lang-link {
  display: inline-flex;
  padding: 0.35rem 0.58rem;
}

/* ── Buttons ──────────────────────────────────── */
.glow-button {
  display: inline-block;
  background: var(--primary); color: var(--bg);
  font-family: 'Space Grotesk', sans-serif; font-weight: 600;
  padding: 0.75rem 1.5rem; border-radius: 0.75rem;
  transition: all 0.3s ease; border: none; cursor: pointer;
}
.glow-button:hover { box-shadow: var(--shadow-glow-strong); filter: brightness(1.1); }
.glow-button.small { padding: 0.5rem 1.25rem; font-size: 0.875rem; }
.nav-desktop .glow-button,
.nav-mobile .glow-button { color: #fff; }

.glow-button-outline {
  display: inline-block;
  border: 1px solid var(--border-hover); color: var(--fg);
  font-family: 'Space Grotesk', sans-serif; font-weight: 500;
  padding: 0.75rem 1.5rem; border-radius: 0.75rem; background: transparent;
  transition: all 0.3s ease; cursor: pointer;
}
.glow-button-outline:hover { border-color: var(--primary); box-shadow: 0 0 16px rgba(66,182,255,0.15); }

/* ── Hero ─────────────────────────────────────── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: flex-start;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 12rem;
  pointer-events: none;
  z-index: 6;
  background: linear-gradient(to bottom, rgba(4,12,22,0) 0%, rgba(4,12,22,0.66) 62%, var(--bg) 100%);
}
.hero-bg {
  position: absolute; inset: 0;
  background: #040c16;
}
.hero-video-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}
.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: max(100vw, 177.78vh);
  height: max(56.25vw, 100vh);
  transform: translate(-50%, -50%) scale(1.12);
  border: 0;
  pointer-events: none;
  filter: brightness(0.58) contrast(1.08) saturate(0.9);
}
.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(circle at 18% 42%, rgba(66,182,255,0.22), transparent 45%),
    linear-gradient(110deg, rgba(4,10,18,0.94) 8%, rgba(4,11,20,0.76) 45%, rgba(4,9,18,0.92) 100%);
}
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(84,126,178,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(84,126,178,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.45;
  z-index: 2;
}
.glow {
  position: absolute; border-radius: 50%; filter: blur(128px);
  z-index: 3;
  pointer-events: none;
}
.glow-1 { top: 25%; left: -8rem; width: 500px; height: 500px; background: rgba(66,182,255,0.1); animation: pulse-glow 4s ease-in-out infinite; }
.glow-2 { bottom: 25%; right: -8rem; width: 400px; height: 400px; background: rgba(47,224,255,0.08); animation: pulse-glow 4s ease-in-out infinite 1.5s; }
.glow-3 { top: 50%; left: 50%; transform: translate(-50%,-50%); width: 600px; height: 600px; background: rgba(66,182,255,0.05); filter: blur(200px); }
.glow-contact { top: 50%; left: 50%; transform: translate(-50%,-50%); width: 600px; height: 400px; background: rgba(66,182,255,0.08); filter: blur(150px); z-index: -1; }

@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.hero-content {
  position: relative; z-index: 10; max-width: 1200px; margin: 0 auto;
  width: 100%;
  padding: 8rem 1rem 5rem; text-align: left;
}
@media(min-width:768px) { .hero-content { padding: 8rem 1rem 5rem; } }

.badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--glass-bg); border: 1px solid var(--border);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  padding: 0.5rem 1rem; border-radius: 999px; margin-bottom: 2rem;
  font-family: 'JetBrains Mono', monospace; font-size: 0.75rem;
  letter-spacing: 0.05em; color: var(--fg-secondary);
}
.pulse-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary); animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 { font-size: 2.5rem; font-weight: 700; margin-bottom: 1.5rem; }
@media(min-width:768px) { .hero h1 { font-size: 3.75rem; } }
@media(min-width:1024px) { .hero h1 { font-size: 4.5rem; } }

.hero .sub { font-size: 1.125rem; color: var(--fg-secondary); max-width: 42rem; margin: 0 0 1rem; font-weight: 300; }
@media(min-width:768px) { .hero .sub { font-size: 1.25rem; } }
.hero .support { font-size: 0.875rem; color: rgba(149,174,198,0.78); max-width: 42rem; margin: 0 0 2.5rem; }

.hero-ctas { display: flex; flex-direction: column; gap: 1rem; justify-content: center; align-items: center; }
@media(min-width:640px) { .hero-ctas { flex-direction: row; } }
.hero .hero-ctas { justify-content: flex-start; align-items: flex-start; }
@media(min-width:640px) { .hero .hero-ctas { align-items: center; } }

.hero-icons { margin-top: 4rem; display: flex; justify-content: flex-start; gap: 1.5rem; }
@media(min-width:768px) { .hero-icons { gap: 3rem; } }

.icon-card {
  background: var(--glass-bg); border: 1px solid var(--border);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  padding: 1rem; border-radius: 0.75rem; color: var(--primary);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.float-1 { animation: float 3s ease-in-out infinite; }
.float-2 { animation: float 3s ease-in-out infinite 0.8s; }
.float-3 { animation: float 3s ease-in-out infinite 1.6s; }
.float-4 { animation: float 3s ease-in-out infinite 2.4s; }

/* ── Cards extras ─────────────────────────────── */
.icon-box {
  width: 3rem; height: 3rem; border-radius: 0.75rem;
  background: rgba(66,182,255,0.1);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem; color: var(--primary);
}

.stat-value { font-family: 'JetBrains Mono', monospace; font-size: 1.875rem; font-weight: 700; margin-bottom: 0.5rem; }

.card-icon { color: var(--primary); margin-bottom: 1rem; }
.card-icon.mx-auto { margin-left: auto; margin-right: auto; }

.step-bg-num {
  position: absolute; top: 1rem; right: 1.5rem;
  font-family: 'JetBrains Mono', monospace; font-size: 2.25rem;
  font-weight: 700; color: rgba(66,182,255,0.1); pointer-events: none;
}

/* ── Ecosystem ────────────────────────────────── */
.eco-card { display: flex; flex-direction: column; }
.eco-mockup {
  margin-top: 1.5rem; border-radius: 0.75rem; overflow: hidden;
  border: 1px solid var(--border); background: var(--bg-elevated);
  height: 11rem; display: flex; align-items: center; justify-content: center;
  position: relative;
}
.eco-mockup::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(66,182,255,0.05), rgba(47,224,255,0.05));
}
.eco-mockup svg { position: relative; z-index: 1; color: var(--primary); }
.eco-mockup img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── FalcoLeads / FalcoStudio ─────────────────── */
.badge-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace; font-size: 0.75rem;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--primary-strong); background: rgba(66,182,255,0.1);
  padding: 0.25rem 0.75rem; border-radius: 0.25rem; margin-bottom: 1.5rem;
}

.cards-stack { display: flex; flex-direction: column; gap: 1rem; }

.studio-cards { gap: 1.15rem; }
.studio-cards .glass-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding: 0 0 0 1.4rem;
  border-radius: 2rem;
  border: 1px solid rgba(100,151,208,0.38);
  background: linear-gradient(98deg, rgba(9,22,38,0.92) 0%, rgba(7,18,32,0.86) 52%, rgba(9,33,58,0.6) 100%);
}
.studio-cards .glass-card:first-child {
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.studio-cards .glass-card:nth-child(2),
.studio-cards .glass-card:nth-child(3) {
  padding-top: 1rem;
  padding-right: 1rem;
}
.studio-card-copy {
  flex: 1 1 auto;
  min-width: 0;
  padding: 1.15rem 0;
}
.studio-cards .glass-card h3 {
  font-size: clamp(1.05rem, 1.45vw, 1.45rem);
  line-height: 1.16;
  margin-bottom: 0.5rem;
  text-wrap: balance;
}
.studio-cards .glass-card .check-item {
  font-size: clamp(0.92rem, 1.02vw, 1.05rem);
  line-height: 1.35;
  color: rgba(226,237,248,0.88);
}
.studio-card-media {
  margin-top: 0;
  align-self: stretch;
  flex: 0 0 clamp(180px, 35%, 260px);
  border-radius: 0;
  overflow: hidden;
  border: none;
  background: transparent;
  box-shadow: none;
  aspect-ratio: auto;
}
.studio-card-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transform: translateZ(0);
  transition: transform 0.35s ease;
}
.studio-cards .glass-card:hover .studio-card-media img {
  transform: scale(1.01) translateZ(0);
}
@media (max-width: 900px) {
  .studio-cards .glass-card {
    display: block;
    border-radius: 1.35rem;
    padding: 1rem 1rem 0;
  }
  .studio-cards .glass-card:first-child,
  .studio-cards .glass-card:nth-child(2),
  .studio-cards .glass-card:nth-child(3) {
    padding: 1rem 1rem 0;
  }
  .studio-cards .glass-card h3 {
    font-size: clamp(1.05rem, 5.1vw, 1.28rem);
  }
  .studio-cards .glass-card .check-item {
    font-size: clamp(0.88rem, 3.9vw, 0.98rem);
  }
  .studio-card-media {
    margin-top: 0.9rem;
    flex: initial;
    width: 100%;
    max-width: none;
    border-radius: 0;
    aspect-ratio: 16 / 9;
  }
}

.check-list { display: flex; flex-direction: column; gap: 0.5rem; }
.check-list li, .check-item {
  display: flex; align-items: flex-start; gap: 0.5rem;
  color: var(--fg-secondary); font-size: 0.875rem;
}

.tags-wrap { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2.5rem; margin-top: 2.5rem; }
.tag {
  font-family: 'JetBrains Mono', monospace; font-size: 0.75rem;
  letter-spacing: 0.05em; text-transform: uppercase;
  padding: 0.375rem 0.75rem; border-radius: 0.5rem;
  border: 1px solid var(--border); color: var(--fg-secondary);
  background: var(--bg-elevated);
}

/* ── Gradient Circle ──────────────────────────── */
.circles-row {
  --circle-size: 8.5rem;
  --circle-stack: 2.8rem;
  --circle-spread: 5.1rem;
  position: relative;
  width: calc(var(--circle-size) + (var(--circle-spread) * 2));
  height: var(--circle-size);
  margin-top: 2.5rem;
}
@media(min-width:768px) {
  .circles-row {
    --circle-size: 10rem;
    --circle-stack: 3.25rem;
    --circle-spread: 6.1rem;
  }
}

.gradient-circle {
  --x: 0px;
  position: absolute;
  top: 0;
  left: 0;
  transform: translateX(var(--x));
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1), filter 0.4s ease;
}
.gradient-circle:nth-child(1) { z-index: 1; }
.gradient-circle:nth-child(2) { z-index: 2; }
.gradient-circle:nth-child(3) { z-index: 3; }

.gradient-circle:nth-child(1) { --x: 0px; }
.gradient-circle:nth-child(2) { --x: var(--circle-stack); }
.gradient-circle:nth-child(3) { --x: calc(var(--circle-stack) * 2); }

.circles-row:hover .gradient-circle:nth-child(1) { --x: 0px; }
.circles-row:hover .gradient-circle:nth-child(2) { --x: var(--circle-spread); }
.circles-row:hover .gradient-circle:nth-child(3) { --x: calc(var(--circle-spread) * 2); }

.circles-row:has(.gradient-circle:nth-child(1):hover) .gradient-circle:nth-child(1) { --x: 0px; }
.circles-row:has(.gradient-circle:nth-child(1):hover) .gradient-circle:nth-child(2) { --x: calc(var(--circle-spread) * 1.1); }
.circles-row:has(.gradient-circle:nth-child(1):hover) .gradient-circle:nth-child(3) { --x: calc(var(--circle-spread) * 2.05); }

.circles-row:has(.gradient-circle:nth-child(2):hover) .gradient-circle:nth-child(1) { --x: 0px; }
.circles-row:has(.gradient-circle:nth-child(2):hover) .gradient-circle:nth-child(2) { --x: var(--circle-spread); }
.circles-row:has(.gradient-circle:nth-child(2):hover) .gradient-circle:nth-child(3) { --x: calc(var(--circle-spread) * 2); }

.circles-row:has(.gradient-circle:nth-child(3):hover) .gradient-circle:nth-child(1) { --x: 0px; }
.circles-row:has(.gradient-circle:nth-child(3):hover) .gradient-circle:nth-child(2) { --x: calc(var(--circle-spread) * 0.9); }
.circles-row:has(.gradient-circle:nth-child(3):hover) .gradient-circle:nth-child(3) { --x: calc(var(--circle-spread) * 2); }

.gradient-circle:hover {
  z-index: 4;
  filter: brightness(1.08);
}

.gc-inner {
  width: var(--circle-size);
  height: var(--circle-size);
  border-radius: 50%;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 16px 28px rgba(2, 8, 18, 0.38);
}

.gc-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 24% 24%, rgba(122,223,255,0.2), transparent 48%),
    linear-gradient(135deg, rgba(8,62,95,0.92), rgba(11,84,126,0.88), rgba(7,48,84,0.95));
  transition: transform 0.5s ease;
}
.gradient-circle:hover .gc-gradient { transform: scale(1.02); }

.gc-noise {
  position: absolute;
  inset: 0;
  opacity: 0.26;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 128px 128px;
}

.gc-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(2,7,16,0.2), transparent 55%, rgba(255,255,255,0.06));
}

.gc-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(88, 181, 225, 0.28);
  transition: border-color 0.5s ease;
}
.gradient-circle:hover .gc-ring { border-color: rgba(115, 205, 245, 0.45); }

.gc-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.78rem;
  line-height: 1.25;
  text-align: center;
  text-wrap: balance;
  padding: 1rem;
  color: var(--fg);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
@media(min-width:768px) { .gc-label { font-size: 0.95rem; } }
.gradient-circle:hover .gc-label {
  opacity: 1;
  transform: translateY(0);
}

@media (hover: none) {
  .circles-row .gradient-circle:nth-child(1) { --x: 0px; }
  .circles-row .gradient-circle:nth-child(2) { --x: var(--circle-spread); }
  .circles-row .gradient-circle:nth-child(3) { --x: calc(var(--circle-spread) * 2); }
  .gc-label {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Workflow ─────────────────────────────────── */
.track-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1.5rem; }
.track-header .icon-box { margin-bottom: 0; }

.steps { display: flex; flex-direction: column; gap: 0; }
.step { display: flex; align-items: flex-start; gap: 0.75rem; }
.step-num {
  width: 1.5rem; height: 1.5rem; border-radius: 50%;
  border: 1px solid rgba(66,182,255,0.4);
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', monospace; font-size: 0.75rem;
  color: var(--primary); flex-shrink: 0;
}
.step p { color: var(--fg-secondary); font-size: 0.875rem; padding-top: 0.125rem; }
.step-line { width: 1px; height: 1.5rem; background: rgba(66,182,255,0.2); margin-left: 0.72rem; }

/* ── CTA Panel ────────────────────────────────── */
.cta-panel { padding: 2.5rem; text-align: center; }
@media(min-width:768px) { .cta-panel { padding: 4rem; } }

.contact-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; text-align: left; }
@media(min-width:768px) { .contact-grid { grid-template-columns: repeat(3, 1fr); } }

.contact-item { display: flex; align-items: flex-start; gap: 0.75rem; }
.contact-item svg { color: var(--primary); margin-top: 0.125rem; flex-shrink: 0; }

/* ── Footer ───────────────────────────────────── */
footer { padding: 2rem 1rem; border-top: 1px solid rgba(84,126,178,0.12); }
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; flex-direction: column; align-items: center; gap: 1rem;
}
@media(min-width:768px) { .footer-inner { flex-direction: row; justify-content: space-between; } }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.75rem; color: var(--fg-secondary); transition: color 0.2s; }
.footer-links a:hover { color: var(--fg); }

/* -- Client Logos -------------------------------- */
.clients-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-inline: auto;
}

.clients-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  width: 100%;
}
@media(min-width:640px) {
  .clients-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media(min-width:768px) {
  .clients-row { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media(min-width:1024px) {
  .clients-row-top {
    grid-template-columns: repeat(4, minmax(9rem, 11rem));
    width: max-content;
  }
  .clients-row-bottom {
    grid-template-columns: repeat(5, minmax(9rem, 11rem));
    width: max-content;
  }
}

.client-card { padding: 1.25rem; }
.client-logo {
  width: 100%;
  max-width: 10rem;
  max-height: 2.75rem;
  object-fit: contain;
  object-position: center;
  opacity: 0.92;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.client-card:hover .client-logo {
  opacity: 1;
  transform: scale(1.02);
}

/* ── Tech Cards ───────────────────────────────── */
.tech-card {
  border-radius: 999px !important;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.75rem; aspect-ratio: 1; padding: 1.25rem;
}
.tech-card img { width: 2.5rem; height: 2.5rem; object-fit: contain; }
@media(min-width:768px) { .tech-card img { width: 3rem; height: 3rem; } }
.tech-card span { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; color: var(--fg-secondary); }

/* ══════════════════════════════════════════════
   SCROLL REVEAL ANIMATIONS
   ══════════════════════════════════════════════ */
.reveal-child {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.25,0.46,0.45,0.94),
              transform 0.6s cubic-bezier(0.25,0.46,0.45,0.94);
}

.reveal.is-visible .reveal-child {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal.is-visible .reveal-child:nth-child(1) { transition-delay: 0s; }
.reveal.is-visible .reveal-child:nth-child(2) { transition-delay: 0.08s; }
.reveal.is-visible .reveal-child:nth-child(3) { transition-delay: 0.16s; }
.reveal.is-visible .reveal-child:nth-child(4) { transition-delay: 0.24s; }
.reveal.is-visible .reveal-child:nth-child(5) { transition-delay: 0.32s; }
.reveal.is-visible .reveal-child:nth-child(6) { transition-delay: 0.4s; }
.reveal.is-visible .reveal-child:nth-child(7) { transition-delay: 0.48s; }
.reveal.is-visible .reveal-child:nth-child(8) { transition-delay: 0.56s; }
.reveal.is-visible .reveal-child:nth-child(9) { transition-delay: 0.64s; }
.reveal.is-visible .reveal-child:nth-child(10) { transition-delay: 0.72s; }