/* ═══════════════════════════════════════════════════════
   AISpark Studio — Main Stylesheet
   Premium dark AI aesthetic + conversion-optimised layout
═══════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ── */
:root {
  --bg-0:        #050508;
  --bg-1:        #0a0a10;
  --bg-2:        #0f0f18;
  --bg-3:        #141420;
  --bg-card:     #10101a;
  --bg-card-h:   #14141e;

  --border:      rgba(255,255,255,0.06);
  --border-h:    rgba(99,179,237,0.25);

  --accent:      #63b3ed;
  --accent-2:    #4299e1;
  --accent-glow: rgba(99,179,237,0.15);
  --accent-dim:  rgba(99,179,237,0.6);

  --cyan:        #00d4ff;
  --cyan-dim:    rgba(0,212,255,0.12);

  --text-0:      #ffffff;
  --text-1:      #e2e8f0;
  --text-2:      #a0aec0;
  --text-3:      #718096;
  --text-4:      #4a5568;

  --green:       #48bb78;
  --green-dim:   rgba(72,187,120,0.15);

  --gradient-hero: linear-gradient(135deg, #63b3ed 0%, #00d4ff 50%, #805ad5 100%);
  --gradient-card: linear-gradient(135deg, rgba(99,179,237,0.06) 0%, rgba(128,90,213,0.04) 100%);

  --font-sans:  'Inter', system-ui, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;

  --shadow-glow: 0 0 40px rgba(99,179,237,0.12);
  --shadow-card: 0 4px 32px rgba(0,0,0,0.4);

  --ease:        cubic-bezier(0.22, 1, 0.36, 1);
  --dur:         0.4s;

  --nav-h:       68px;
  --section-gap: 120px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-0);
  color: var(--text-1);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* ── Canvas Background ── */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}

/* ── Container ── */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ── Section Base ── */
.section {
  padding: var(--section-gap) 0;
  position: relative;
  z-index: 1;
}

/* ── Utilities ── */
.text-accent { color: var(--accent); }

/* ════════════════════════════════════════
   NAVIGATION
════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--dur) var(--ease), backdrop-filter var(--dur), box-shadow var(--dur);
}

.navbar.scrolled {
  background: rgba(5,5,8,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 var(--border), 0 8px 40px rgba(0,0,0,0.5);
}

.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-0);
  letter-spacing: -0.02em;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.nav-logo:hover { opacity: 0.8; }
.logo-bracket { color: var(--accent); }
.logo-accent  { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover { color: var(--text-0); background: rgba(255,255,255,0.06); }

.nav-cta-link {
  background: var(--accent-glow);
  color: var(--accent) !important;
  border: 1px solid rgba(99,179,237,0.3);
}
.nav-cta-link:hover {
  background: rgba(99,179,237,0.2) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-2);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ════════════════════════════════════════
   HERO
════════════════════════════════════════ */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + 60px) 24px 80px;
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(99,179,237,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 860px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

/* Eyebrow */
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(99,179,237,0.08);
  border: 1px solid rgba(99,179,237,0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-transform: uppercase;
}
.eyebrow-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

/* Headline — high contrast overlay for readability */
.hero-headline {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--text-0);
  /* text shadow for readability over animated bg */
  text-shadow: 0 2px 60px rgba(0,0,0,0.9), 0 0 120px rgba(0,0,0,0.7);
}

.headline-gradient {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Sub */
.hero-sub {
  max-width: 640px;
  font-size: 1.1rem;
  color: var(--text-2);
  line-height: 1.75;
  text-shadow: 0 2px 20px rgba(0,0,0,0.8);
}

/* Trust strip */
.trust-strip {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 32px;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 28px;
}

.trust-num {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--text-0);
  font-family: var(--font-mono);
  line-height: 1;
}
.trust-plus { font-size: 1.2rem; color: var(--accent); }

.trust-label {
  font-size: 0.7rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
  white-space: nowrap;
}

.trust-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* CTAs */
.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Social row */
.hero-social {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.85rem;
  color: var(--text-3);
  transition: color 0.2s;
}
.social-link:hover { color: var(--accent); }

.availability-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8rem;
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid rgba(72,187,120,0.2);
  border-radius: 100px;
  padding: 5px 12px;
}
.avail-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-dot 2s ease-in-out infinite;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-4);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--text-4), transparent);
  animation: scroll-drop 2s ease-in-out infinite;
}

/* ════════════════════════════════════════
   BUTTONS
════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 26px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: transform 0.2s var(--ease), box-shadow 0.2s, background 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97) !important; }

.btn-primary {
  background: var(--accent);
  color: #050508;
  box-shadow: 0 0 24px rgba(99,179,237,0.35);
}
.btn-primary:hover {
  background: #7ec8f5;
  box-shadow: 0 0 40px rgba(99,179,237,0.5);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text-1);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(99,179,237,0.3);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* ════════════════════════════════════════
   STACK STRIP
════════════════════════════════════════ */
.stack-strip {
  position: relative;
  z-index: 1;
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(to right, rgba(99,179,237,0.03), transparent, rgba(99,179,237,0.03));
  overflow: hidden;
}

.stack-label {
  text-align: center;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-4);
  margin-bottom: 20px;
}

.stack-scroll {
  overflow: hidden;
  position: relative;
}
.stack-scroll::before,
.stack-scroll::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.stack-scroll::before { left: 0; background: linear-gradient(to right, var(--bg-0), transparent); }
.stack-scroll::after  { right: 0; background: linear-gradient(to left, var(--bg-0), transparent); }

.stack-track {
  display: flex;
  gap: 12px;
  animation: scroll-marquee 30s linear infinite;
  width: max-content;
}

.stack-tag {
  padding: 7px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-2);
  white-space: nowrap;
  transition: border-color 0.2s, color 0.2s;
}
.stack-tag:hover { border-color: var(--border-h); color: var(--accent); }

/* ════════════════════════════════════════
   SECTION HEADER
════════════════════════════════════════ */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 72px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
  padding: 5px 14px;
  background: var(--accent-glow);
  border: 1px solid rgba(99,179,237,0.2);
  border-radius: 100px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-0);
  line-height: 1.15;
  margin-bottom: 18px;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.75;
}

/* ════════════════════════════════════════
   PROCESS SECTION
════════════════════════════════════════ */
.process {
  background: linear-gradient(to bottom, transparent, rgba(99,179,237,0.02), transparent);
}

.process-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
}

.process-connector {
  display: flex;
  align-items: flex-start;
  padding-top: 60px;
  color: var(--accent-dim);
  font-size: 1.2rem;
  padding-left: 8px;
  padding-right: 8px;
}

.process-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur);
  overflow: hidden;
}
.process-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  opacity: 0;
  transition: opacity var(--dur);
  border-radius: inherit;
}
.process-card:hover {
  border-color: var(--border-h);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), var(--shadow-glow);
}
.process-card:hover::before { opacity: 1; }

.process-card[data-step]::after {
  content: attr(data-step);
  position: absolute;
  top: 16px; right: 20px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-4);
  letter-spacing: 0.1em;
}

.process-icon {
  width: 48px; height: 48px;
  background: var(--accent-glow);
  border: 1px solid rgba(99,179,237,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 16px;
  position: relative;
}

.process-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-4);
  margin-bottom: 8px;
}

.process-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-0);
  margin-bottom: 10px;
  line-height: 1.3;
}

.process-desc {
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 16px;
}

.process-tool {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 4px 10px;
  background: var(--cyan-dim);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 100px;
  color: var(--cyan);
}

/* ════════════════════════════════════════
   WORK / CASE STUDIES
════════════════════════════════════════ */
.work { background: var(--bg-1); }

.work-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur);
  position: relative;
  overflow: hidden;
}
.case-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(to right, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--dur);
}
.case-card:hover {
  border-color: var(--border-h);
  transform: translateY(-6px);
  box-shadow: 0 24px 80px rgba(0,0,0,0.5), var(--shadow-glow);
}
.case-card:hover::before { opacity: 1; }

/* Featured case spans full width */
.case-featured {
  grid-column: 1 / -1;
}

.case-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.case-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-4);
  letter-spacing: 0.1em;
}

.case-badges { display: flex; gap: 8px; flex-wrap: wrap; }

.badge {
  padding: 4px 12px;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--text-3);
  background: rgba(255,255,255,0.04);
  letter-spacing: 0.04em;
}
.badge-live {
  background: var(--green-dim);
  border-color: rgba(72,187,120,0.25);
  color: var(--green);
}

.case-body {}

.case-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-0);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.case-tagline {
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 14px;
}

.case-desc {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 24px;
}

/* Problem / Solution blocks */
.case-problem-solution {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.ps-block {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.ps-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  margin-bottom: 8px;
}
.ps-label .fa-exclamation-circle { color: #fc8181; }
.ps-label .fa-check-circle { color: var(--green); }

.ps-block p {
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.6;
}

/* Metrics row */
.case-metrics {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 24px;
}

.metric {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 12px;
  border-right: 1px solid var(--border);
  text-align: center;
}
.metric:last-child { border-right: none; }

.metric-val {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-0);
  font-family: var(--font-mono);
  line-height: 1;
}
.metric-unit { font-size: 1rem; color: var(--accent); }

.metric-key {
  font-size: 0.68rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* Stack pills */
.case-stack { display: flex; gap: 8px; flex-wrap: wrap; }

.stack-pill {
  padding: 5px 12px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-3);
  transition: color 0.2s, border-color 0.2s;
}
.stack-pill:hover { color: var(--accent); border-color: var(--border-h); }

/* ════════════════════════════════════════
   SERVICES
════════════════════════════════════════ */
.services {
  background: linear-gradient(to bottom, transparent, rgba(99,179,237,0.02), transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur);
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  border-color: var(--border-h);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), var(--shadow-glow);
}
.service-featured {
  background: linear-gradient(135deg, rgba(99,179,237,0.07) 0%, rgba(128,90,213,0.05) 100%);
  border-color: rgba(99,179,237,0.2);
}
.service-featured::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-hero);
}

.service-coming { opacity: 0.7; }

.service-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.service-icon {
  width: 44px; height: 44px;
  background: var(--accent-glow);
  border: 1px solid rgba(99,179,237,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent);
}

.service-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 4px 10px;
  background: var(--accent-glow);
  border: 1px solid rgba(99,179,237,0.25);
  border-radius: 100px;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.service-badge-soon {
  background: rgba(128,90,213,0.1);
  border-color: rgba(128,90,213,0.2);
  color: #b794f4;
}

.service-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-0);
  line-height: 1.3;
}

.service-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}
.price-from {
  font-size: 0.75rem;
  color: var(--text-3);
}
.price-amount {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-0);
  font-family: var(--font-mono);
}
.price-timeline {
  font-size: 0.8rem;
  color: var(--text-3);
}

.service-note {
  font-size: 0.75rem;
  color: var(--text-4);
  font-style: italic;
  margin-top: -10px;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.service-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.83rem;
  color: var(--text-2);
}
.service-features li i {
  color: var(--green);
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* ════════════════════════════════════════
   ABOUT
════════════════════════════════════════ */
.about { background: var(--bg-1); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 72px;
  align-items: start;
}

.about-text { }

.about-text .section-tag,
.about-text .section-title { text-align: left; }
.about-text .section-title { margin-bottom: 24px; }

.about-para {
  font-size: 0.95rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-skills {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 28px 0;
}

.skill-group { }

.skill-group-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-4);
  margin-bottom: 10px;
}

.skill-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.skill-tag {
  padding: 6px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.78rem;
  color: var(--text-2);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.skill-tag:hover {
  color: var(--accent);
  border-color: var(--border-h);
  background: var(--accent-glow);
}

.about-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* Identity card */
.identity-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}

.id-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.id-avatar {
  width: 56px; height: 56px;
  background: var(--accent-glow);
  border: 2px solid rgba(99,179,237,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent);
  flex-shrink: 0;
}

.id-info { flex: 1; }
.id-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-0);
}
.id-role {
  font-size: 0.78rem;
  color: var(--text-3);
  margin-top: 2px;
}

.id-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid rgba(72,187,120,0.2);
  border-radius: 100px;
  padding: 4px 10px;
}

.id-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 24px;
}

.id-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 14px 8px;
  border-right: 1px solid var(--border);
  text-align: center;
}
.id-stat:last-child { border-right: none; }

.id-stat-val {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-0);
  line-height: 1;
}
.id-stat-label {
  font-size: 0.62rem;
  color: var(--text-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
  text-align: center;
}

.id-links {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.id-link {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  color: var(--text-2);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.id-link:hover {
  color: var(--accent);
  border-color: var(--border-h);
  background: var(--accent-glow);
}

.id-timezone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-4);
  padding: 12px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.id-timezone i { color: var(--accent); }

/* ════════════════════════════════════════
   CONTACT
════════════════════════════════════════ */
.contact {
  background: linear-gradient(to bottom, var(--bg-1), var(--bg-0));
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 56px;
  align-items: start;
}

/* Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.form-group:last-of-type { margin-bottom: 0; }

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: 0.03em;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 13px 16px;
  font-size: 0.9rem;
  color: var(--text-1);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
  -webkit-appearance: none;
  appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23718096' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  background-color: rgba(255,255,255,0.03);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-4);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: rgba(99,179,237,0.4);
  box-shadow: 0 0 0 3px rgba(99,179,237,0.08);
}

.form-group select option {
  background: #14141e;
  color: var(--text-1);
}

.btn-submit {
  margin-top: 24px;
  font-size: 1rem;
  padding: 16px 32px;
  position: relative;
  overflow: hidden;
}
.btn-submit.loading {
  pointer-events: none;
  opacity: 0.7;
}

.form-success {
  display: none;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--green-dim);
  border: 1px solid rgba(72,187,120,0.25);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--green);
}
.form-success i { font-size: 1.1rem; }
.form-success.show { display: flex; }

/* Contact info column */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: 8px;
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s;
}
.contact-method:hover { border-color: var(--border-h); }

.contact-method-icon {
  width: 40px; height: 40px;
  background: var(--accent-glow);
  border: 1px solid rgba(99,179,237,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-method-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-0);
  margin-bottom: 4px;
}

.contact-method-desc {
  font-size: 0.8rem;
  color: var(--text-3);
  line-height: 1.6;
  margin-bottom: 8px;
}

.contact-method-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  transition: opacity 0.2s;
}
.contact-method-link:hover { opacity: 0.75; }

.contact-guarantee {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: rgba(99,179,237,0.04);
  border: 1px solid rgba(99,179,237,0.15);
  border-radius: var(--radius-lg);
}
.contact-guarantee > i {
  color: var(--accent);
  font-size: 1.2rem;
  margin-top: 2px;
  flex-shrink: 0;
}
.contact-guarantee strong {
  display: block;
  font-size: 0.82rem;
  color: var(--text-0);
  margin-bottom: 6px;
}
.contact-guarantee p {
  font-size: 0.8rem;
  color: var(--text-3);
  line-height: 1.6;
}

/* ════════════════════════════════════════
   FOOTER
════════════════════════════════════════ */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
  background: var(--bg-0);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-3);
  margin: 12px 0 20px;
  max-width: 260px;
  line-height: 1.65;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social-link {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-3);
  font-size: 0.9rem;
  transition: color 0.2s, border-color 0.2s;
}
.footer-social-link:hover { color: var(--accent); border-color: var(--border-h); }

.footer-links-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-0);
  margin-bottom: 16px;
}

.footer-links-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-col ul li a {
  font-size: 0.85rem;
  color: var(--text-3);
  transition: color 0.2s;
}
.footer-links-col ul li a:hover { color: var(--accent); }

.footer-avail {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.78rem;
  color: var(--green);
  margin-top: 14px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-4);
  flex-wrap: wrap;
  gap: 8px;
}

.footer-built {
  font-family: var(--font-mono);
  color: var(--text-4);
}

/* ════════════════════════════════════════
   ANIMATIONS
════════════════════════════════════════ */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

@keyframes scroll-drop {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

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

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Entrance animation class */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal-stagger.visible > *:nth-child(1) { opacity:1; transform:translateY(0); transition-delay:0s; }
.reveal-stagger.visible > *:nth-child(2) { opacity:1; transform:translateY(0); transition-delay:0.1s; }
.reveal-stagger.visible > *:nth-child(3) { opacity:1; transform:translateY(0); transition-delay:0.2s; }
.reveal-stagger.visible > *:nth-child(4) { opacity:1; transform:translateY(0); transition-delay:0.3s; }
.reveal-stagger.visible > *:nth-child(5) { opacity:1; transform:translateY(0); transition-delay:0.4s; }
.reveal-stagger.visible > *:nth-child(6) { opacity:1; transform:translateY(0); transition-delay:0.5s; }
.reveal-stagger.visible > *:nth-child(n+7) { opacity:1; transform:translateY(0); transition-delay:0.6s; }

/* ════════════════════════════════════════
   RESPONSIVE — Tablet (≤ 1024px)
════════════════════════════════════════ */
@media (max-width: 1024px) {
  :root { --section-gap: 88px; }

  .services-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { order: -1; }
  .identity-card { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }

  .process-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .process-connector { display: none; }
}

/* ════════════════════════════════════════
   RESPONSIVE — Mobile (≤ 768px)
════════════════════════════════════════ */
@media (max-width: 768px) {
  :root { --section-gap: 72px; }

  /* Nav mobile */
  .nav-links {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(5,5,8,0.97);
    backdrop-filter: blur(20px);
    padding: 20px 24px 32px;
    gap: 4px;
    transform: translateY(-110%);
    transition: transform 0.4s var(--ease);
    border-bottom: 1px solid var(--border);
    z-index: 999;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-link { padding: 12px 16px; border-radius: var(--radius-md); }
  .hamburger { display: flex; }

  /* Hero */
  .hero { padding: calc(var(--nav-h) + 40px) 20px 70px; }
  .hero-headline { font-size: 2.2rem; }
  .hero-sub { font-size: 0.95rem; }
  .trust-strip {
    flex-direction: column;
    gap: 0;
    padding: 16px 20px;
  }
  .trust-item { padding: 12px 0; width: 100%; flex-direction: row; justify-content: space-between; gap: 16px; }
  .trust-divider { width: 100%; height: 1px; }
  .hero-ctas { flex-direction: column; width: 100%; }
  .hero-ctas .btn { width: 100%; justify-content: center; }

  /* Work grid */
  .work-grid { grid-template-columns: 1fr; }
  .case-featured { grid-column: auto; }
  .case-problem-solution { grid-template-columns: 1fr; }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }

  /* Process */
  .process-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  /* About */
  .about-ctas { flex-direction: column; }
  .about-ctas .btn { width: 100%; justify-content: center; }

  /* Case metrics */
  .case-metrics { flex-wrap: wrap; }
  .metric { min-width: 30%; border-right: 1px solid var(--border) !important; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 1.85rem; }
  .section-title { font-size: 1.75rem; }
  .container { padding: 0 16px; }
}

/* ════════════════════════════════════════
   MOUSE-FOLLOW SPOTLIGHT ON CARDS
════════════════════════════════════════ */
.process-card,
.case-card,
.service-card {
  --mx: 50%;
  --my: 50%;
}

.process-card::after,
.case-card::after,
.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    200px circle at var(--mx) var(--my),
    rgba(99,179,237,0.07),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}

.process-card:hover::after,
.case-card:hover::after,
.service-card:hover::after {
  opacity: 1;
}

/* Case-featured has a top-bar ::before so we skip ::after conflict */
.case-featured::after {
  display: none;
}

/* ════════════════════════════════════════
   SCROLL TO TOP BUTTON
════════════════════════════════════════ */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 28px;
  z-index: 900;
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  font-size: 0.9rem;
  cursor: pointer;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.3s, transform 0.3s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
  pointer-events: none;
}
.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.scroll-top:hover {
  color: var(--accent);
  border-color: var(--border-h);
  box-shadow: 0 0 20px rgba(99,179,237,0.2);
}

/* ════════════════════════════════════════
   SELECTION COLOUR
════════════════════════════════════════ */
::selection {
  background: rgba(99,179,237,0.25);
  color: var(--text-0);
}

/* ════════════════════════════════════════
   CUSTOM SCROLLBAR (webkit)
════════════════════════════════════════ */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb {
  background: rgba(99,179,237,0.2);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(99,179,237,0.4);
}