/* ============================================
   DigiAud.in — Stylesheet
   ============================================ */

:root {
  --bg:         #07090f;
  --bg-2:       #0d1117;
  --bg-card:    #0f1520;
  --bg-card-2:  #131c2b;
  --border:     rgba(255,255,255,0.07);
  --border-2:   rgba(255,255,255,0.12);
  --cyan:       #00d4ff;
  --cyan-dim:   rgba(0,212,255,0.12);
  --violet:     #8b5cf6;
  --violet-dim: rgba(139,92,246,0.12);
  --text:       #e2e8f0;
  --text-2:     #94a3b8;
  --text-3:     #64748b;
  --white:      #ffffff;
  --radius:     12px;
  --radius-lg:  20px;
  --font:       'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:       'JetBrains Mono', 'Fira Code', monospace;
  --transition: 0.2s ease;
}

/* ── Light theme ── */
[data-theme="light"] {
  --bg:         #f8fafc;
  --bg-2:       #f1f5f9;
  --bg-card:    #ffffff;
  --bg-card-2:  #f8fafc;
  --border:     rgba(0,0,0,0.08);
  --border-2:   rgba(0,0,0,0.15);
  --cyan:       #0284c7;
  --cyan-dim:   rgba(2,132,199,0.08);
  --violet:     #7c3aed;
  --violet-dim: rgba(124,58,237,0.08);
  --text:       #1e293b;
  --text-2:     #475569;
  --text-3:     #94a3b8;
  --white:      #0f172a;
}

/* ── System default (light) ── */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg:         #f8fafc;
    --bg-2:       #f1f5f9;
    --bg-card:    #ffffff;
    --bg-card-2:  #f8fafc;
    --border:     rgba(0,0,0,0.08);
    --border-2:   rgba(0,0,0,0.15);
    --cyan:       #0284c7;
    --cyan-dim:   rgba(2,132,199,0.08);
    --violet:     #7c3aed;
    --violet-dim: rgba(124,58,237,0.08);
    --text:       #1e293b;
    --text-2:     #475569;
    --text-3:     #94a3b8;
    --white:      #0f172a;
  }
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }
input, textarea { font-family: inherit; }

/* ── Container ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #1e2a3a; border-radius: 3px; }
[data-theme="light"] ::-webkit-scrollbar-track { background: var(--bg-2); }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: #cbd5e1; }

/* ============================================
   NAV
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0;
  transition: background var(--transition), backdrop-filter var(--transition), border-bottom var(--transition);
}
.nav.scrolled {
  background: rgba(7,9,15,0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] .nav.scrolled,
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) .nav.scrolled {
  background: rgba(248,250,252,0.92);
}}
[data-theme="light"] .nav.scrolled { background: rgba(248,250,252,0.92); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo {
  display: flex;
  align-items: center;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  border-radius: 8px;
  color: #fff;
  font-weight: 900;
  font-size: 1rem;
  margin-right: 6px;
}
.logo-text { color: var(--white); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-cta {
  background: linear-gradient(135deg, var(--cyan), var(--violet)) !important;
  color: #fff !important;
  padding: 9px 20px;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: opacity var(--transition) !important;
}
.nav-cta:hover { opacity: 0.88 !important; }

/* ── Nav right group ── */
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Theme toggle ── */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 9px;
  border: 1px solid var(--border-2);
  color: var(--text-2);
  background: transparent;
  transition: all var(--transition);
  position: relative;
}
.theme-toggle:hover {
  background: rgba(255,255,255,0.07);
  color: var(--white);
  border-color: var(--cyan);
}
[data-theme="light"] .theme-toggle:hover,
.theme-toggle:hover { color: var(--white); }

.theme-toggle .icon-sun,
.theme-toggle .icon-moon { position: absolute; transition: opacity 0.2s, transform 0.3s; }

/* Dark mode: show moon, hide sun */
.icon-sun  { opacity: 0; transform: rotate(90deg) scale(0.7); }
.icon-moon { opacity: 1; transform: rotate(0deg) scale(1); }

/* Light mode: show sun, hide moon */
[data-theme="light"] .icon-sun,
:root:not([data-theme="dark"]) .icon-sun  { opacity: 1; transform: rotate(0deg) scale(1); }
[data-theme="light"] .icon-moon,
:root:not([data-theme="dark"]) .icon-moon { opacity: 0; transform: rotate(-90deg) scale(0.7); }

/* Force dark: restore moon */
[data-theme="dark"] .icon-sun  { opacity: 0 !important; transform: rotate(90deg) scale(0.7) !important; }
[data-theme="dark"] .icon-moon { opacity: 1 !important; transform: rotate(0deg) scale(1) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-2);
  border-radius: 1px;
  transition: var(--transition);
}

/* ── WhatsApp button ── */
.btn-whatsapp {
  background: #25d366;
  color: #fff !important;
  border: none;
}
.btn-whatsapp:hover { background: #20b858; transform: translateY(-1px); }

/* ── Form actions row ── */
.form-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}
.glow-1 {
  width: 600px; height: 600px;
  top: -100px; left: -100px;
  background: radial-gradient(circle, rgba(0,212,255,0.12) 0%, transparent 70%);
}
.glow-2 {
  width: 500px; height: 500px;
  bottom: -100px; right: -100px;
  background: radial-gradient(circle, rgba(139,92,246,0.10) 0%, transparent 70%);
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border-2);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 32px;
  background: rgba(255,255,255,0.03);
}
.badge-dot {
  width: 7px; height: 7px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 6px #22c55e;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 6px #22c55e; }
  50% { box-shadow: 0 0 14px #22c55e; }
}

.hero-title {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 24px;
}
.gradient-text {
  background: linear-gradient(90deg, var(--cyan), #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-2 {
  background: linear-gradient(90deg, var(--violet), #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-2);
  max-width: 600px;
  margin-bottom: 40px;
  line-height: 1.7;
}
.desktop-only { display: inline; }

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #fff;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-2);
}
.btn-ghost:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.2); }
.btn-full { width: 100%; justify-content: center; }

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-3);
  font-family: var(--mono);
  background: rgba(255,255,255,0.02);
  transition: all var(--transition);
}
.tag:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-dim); }

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.4;
}
.hero-scroll-hint span { font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; }
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-2), transparent);
  animation: scroll-drop 2s ease-in-out infinite;
}
@keyframes scroll-drop {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
  padding: 32px 0;
}
.stats-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
  min-width: 120px;
}
.stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--text-3);
  font-weight: 500;
  text-align: center;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

/* ============================================
   SECTIONS
   ============================================ */
.section { padding: 96px 0; }
.section-dark { background: var(--bg-2); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
}
.section-sub {
  color: var(--text-2);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}

/* ============================================
   SERVICES
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0,212,255,0.05), rgba(139,92,246,0.03));
  opacity: 0;
  transition: opacity 0.3s;
}
.service-card:hover {
  border-color: rgba(0,212,255,0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}
.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 52px; height: 52px;
  background: var(--cyan-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  margin-bottom: 20px;
}
.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.service-card p {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 20px;
}
.service-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.service-features li {
  font-size: 0.8rem;
  color: var(--text-3);
  padding-left: 16px;
  position: relative;
}
.service-features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-size: 0.75rem;
}

/* ============================================
   PRODUCTS
   ============================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.product-card:hover {
  border-color: rgba(139,92,246,0.3);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.product-featured {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(0,212,255,0.06), rgba(139,92,246,0.06));
  border-color: rgba(0,212,255,0.2);
}
.product-header { display: flex; flex-direction: column; gap: 4px; }
.product-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.product-status {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}
.status-live { background: rgba(34,197,94,0.15); color: #22c55e; }
.status-building { background: rgba(251,191,36,0.15); color: #fbbf24; }
.product-stack {
  font-size: 0.72rem;
  color: var(--text-3);
  font-family: var(--mono);
}
.product-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.015em;
}
.product-tagline {
  font-size: 0.8rem;
  color: var(--cyan);
  font-weight: 500;
}
.product-desc {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.65;
  flex: 1;
}
.product-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.product-pills span {
  font-size: 0.72rem;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-3);
  font-family: var(--mono);
  background: rgba(255,255,255,0.02);
}

/* ============================================
   TECH STACK
   ============================================ */
.stack-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.stack-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.stack-group-title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 16px;
}
.stack-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.stack-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-2);
  font-weight: 500;
}
.stack-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.rust  { background: #f74c00; }
.go    { background: #00aed8; }
.python{ background: #3b82f6; }
.ts    { background: #3178c6; }
.java  { background: #ed8b00; }
.ai    { background: #8b5cf6; box-shadow: 0 0 6px rgba(139,92,246,0.5); }
.db    { background: #22c55e; }
.infra { background: #f97316; }
.api   { background: #00d4ff; }

/* ============================================
   WHY US
   ============================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.3s;
}
.why-card:hover { border-color: rgba(0,212,255,0.2); }
.why-problem {
  font-size: 0.82rem;
  color: var(--text-3);
  line-height: 1.5;
}
.why-arrow {
  font-size: 1.2rem;
  color: var(--cyan);
  opacity: 0.6;
}
.why-solution {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
}
.why-outcome {
  font-size: 0.8rem;
  color: var(--violet);
  font-weight: 500;
}

/* ============================================
   ABOUT
   ============================================ */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-bio {
  color: var(--text-2);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 16px;
}
.about-bio strong { color: var(--white); font-weight: 600; }
.about-details {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.about-detail {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-3);
}
.about-detail svg { color: var(--cyan); flex-shrink: 0; }

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all 0.3s;
}
.value-card:hover { border-color: rgba(139,92,246,0.3); transform: translateY(-2px); }
.value-num {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--violet);
  margin-bottom: 10px;
  font-weight: 600;
}
.value-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.value-card p {
  font-size: 0.8rem;
  color: var(--text-3);
  line-height: 1.6;
}

/* ============================================
   CONTACT
   ============================================ */
.section-contact {
  background: var(--bg);
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.section-contact::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  left: -200px; bottom: -200px;
  background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
}
.contact-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 20px;
}
.contact-sub {
  color: var(--text-2);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 36px;
}
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-2);
  transition: color var(--transition);
}
.contact-link:not(.no-link):hover { color: var(--cyan); }
.contact-link svg { color: var(--cyan); flex-shrink: 0; }

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.contact-card-inner { padding: 36px; }
.contact-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 24px;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-group input,
.form-group textarea {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  resize: vertical;
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-3); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.08);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding-top: 56px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  padding-bottom: 48px;
  flex-wrap: wrap;
}
.footer-tagline {
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--text-3);
  line-height: 1.6;
}
.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col h5 {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 0.875rem;
  color: var(--text-2);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-3);
  flex-wrap: wrap;
  gap: 8px;
}

/* ============================================
   LIGHT MODE OVERRIDES
   ============================================ */
[data-theme="light"] .grid-overlay,
:root:not([data-theme="dark"]) .grid-overlay {
  background-image:
    linear-gradient(rgba(0,100,160,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,100,160,0.05) 1px, transparent 1px);
}
[data-theme="light"] .glow-1,
:root:not([data-theme="dark"]) .glow-1 {
  background: radial-gradient(circle, rgba(2,132,199,0.10) 0%, transparent 70%);
}
[data-theme="light"] .glow-2,
:root:not([data-theme="dark"]) .glow-2 {
  background: radial-gradient(circle, rgba(124,58,237,0.08) 0%, transparent 70%);
}
[data-theme="light"] .service-card:hover,
:root:not([data-theme="dark"]) .service-card:hover {
  box-shadow: 0 20px 40px rgba(0,0,0,0.10);
}
[data-theme="light"] .product-card:hover,
:root:not([data-theme="dark"]) .product-card:hover {
  box-shadow: 0 16px 40px rgba(0,0,0,0.10);
}
[data-theme="light"] .form-group input:focus,
[data-theme="light"] .form-group textarea:focus,
:root:not([data-theme="dark"]) .form-group input:focus,
:root:not([data-theme="dark"]) .form-group textarea:focus {
  box-shadow: 0 0 0 3px rgba(2,132,199,0.12);
}
/* Fix gradient text in light mode */
[data-theme="light"] .gradient-text,
:root:not([data-theme="dark"]) .gradient-text {
  background: linear-gradient(90deg, #0284c7, #2563eb);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
[data-theme="light"] .gradient-text-2,
:root:not([data-theme="dark"]) .gradient-text-2 {
  background: linear-gradient(90deg, #7c3aed, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
[data-theme="light"] .stat-num,
:root:not([data-theme="dark"]) .stat-num {
  background: linear-gradient(90deg, #0284c7, #7c3aed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   ANIMATIONS (on scroll)
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .product-featured { grid-column: span 2; }
  .stack-categories { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { gap: 40px; }
}

@media (max-width: 768px) {
  .desktop-only { display: none; }
  .nav-links { display: none; flex-direction: column; position: fixed; top: 68px; left: 0; right: 0; background: var(--bg); backdrop-filter: blur(20px); padding: 24px; gap: 20px; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }

  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero-scroll-hint { display: none; }
  .hero-title { font-size: 2.4rem; }
  .hero-sub { font-size: 1rem; }

  .stats-inner { justify-content: center; }
  .stat-divider { display: none; }
  .stat { min-width: 45%; }

  .section { padding: 64px 0; }
  .section-header { margin-bottom: 40px; }

  .services-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .product-featured { grid-column: span 1; }
  .stack-categories { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr; }

  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-values { grid-template-columns: 1fr; }

  .contact-inner { grid-template-columns: 1fr; gap: 40px; }

  .footer-inner { flex-direction: column; }
  .footer-links { gap: 32px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .stack-categories { grid-template-columns: 1fr; }
}