/* ===== CSS VARIABLES ===== */
:root {
  --color-primary: #007BFF;
  --color-teal: #00FFFF;
  --color-deep-space: #020617;
  --color-slate-300: #cbd5e1;
  --color-slate-400: #94a3b8;
  --color-slate-500: #64748b;
  --font-sans: 'Montserrat', sans-serif;
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 72px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { font-family: var(--font-sans); cursor: pointer; }

/* ===== BASE ===== */
body {
  background-color: var(--color-deep-space);
  color: var(--color-slate-400);
  font-family: var(--font-sans);
  overflow-x: hidden;
  background-image:
    radial-gradient(circle at 0% 0%, rgba(0, 123, 255, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 100% 100%, rgba(0, 255, 255, 0.1) 0%, transparent 50%),
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
  background-attachment: fixed;
}
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 800;
  color: white;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
::selection { background: var(--color-primary); color: white; }
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--color-deep-space); }
::-webkit-scrollbar-thumb { background: rgba(0,123,255,0.4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

/* ===== NAVIGATION ===== */
#main-nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 50;
  padding: 1rem 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  transition: transform 0.4s ease, opacity 0.4s ease;
}
#main-nav.nav-hidden {
  transform: translateY(-110%);
  opacity: 0;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.nav-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 0.875rem;
  box-shadow: 0 0 20px rgba(0,123,255,0.5);
  flex-shrink: 0;
}
.nav-logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  color: white;
}
.nav-links {
  display: none;
  align-items: center;
  gap: 0.25rem;
  padding: 0.3rem;
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
}
.nav-links a {
  padding: 0.4rem 1.1rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
  background: transparent;
}
.nav-links a:hover,
.nav-links a.active {
  color: white;
  background: rgba(255,255,255,0.1);
}
.nav-cta {
  background: rgba(0,123,255,0.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 2px solid var(--color-primary);
  box-shadow: 0 0 20px rgba(0,123,255,0.4), inset 0 0 12px rgba(0,123,255,0.2);
  color: white;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.7rem 1.5rem;
  border-radius: 999px;
  transition: var(--transition);
  display: inline-block;
}
.nav-cta:hover {
  background: rgba(0,123,255,0.4);
  box-shadow: 0 0 30px rgba(0,123,255,0.6), inset 0 0 20px rgba(0,123,255,0.3);
  transform: scale(1.05);
}
.nav-hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.4rem;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: var(--transition);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(2,6,23,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 1rem 5vw 1.5rem;
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 49;
}
.nav-mobile-menu.open { display: flex; }
.nav-mobile-menu a {
  padding: 0.75rem 1rem;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  transition: var(--transition);
}
.nav-mobile-menu a:hover { color: white; background: rgba(255,255,255,0.07); }
.nav-mobile-cta {
  margin-top: 0.5rem;
  padding: 0.85rem 1rem !important;
  background: rgba(0,123,255,0.15) !important;
  border-color: rgba(0,123,255,0.4) !important;
  color: var(--color-primary) !important;
  text-align: center;
  font-size: 0.72rem !important;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ===== HERO ===== */
#hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-video-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-video-bg video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero-video-bg video.active { opacity: 1; }
.hero-video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(2,6,23,0.80) 0%,
    rgba(2,6,23,0.55) 50%,
    rgba(2,6,23,0.75) 100%
  );
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 90%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 5vw;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
.hero-logo-img {
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  color: white;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 30px rgba(0,123,255,0.6);
}
.hero-text h1 {
  font-size: clamp(2.6rem, 6.5vw, 5rem);
  margin-bottom: 1.5rem;
}
.gradient-text {
  background: linear-gradient(90deg, var(--color-primary), var(--color-teal), var(--color-primary));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s linear infinite;
}
@keyframes gradientShift {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}
.hero-text p {
  font-size: 1.05rem;
  color: var(--color-slate-300);
  max-width: 500px;
  margin-bottom: 2rem;
  line-height: 1.75;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--color-primary);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 1rem 2.25rem;
  border-radius: 999px;
  transition: var(--transition);
  box-shadow: 0 8px 40px -8px rgba(0,123,255,0.6);
}
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 8px 50px -5px rgba(0,123,255,0.8); }
.btn-primary .arrow { font-size: 1rem; transition: transform 0.3s ease; }
.btn-primary:hover .arrow { transform: translateX(4px); }
.hero-dashboard { display: none; }

/* Hero Dashboard Card */
.hero-dash-card {
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
}
.hero-dash-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,123,255,0.1), rgba(0,255,255,0.08));
  pointer-events: none;
}
.hero-dash-item {
  background: rgba(255,255,255,0.05);
  padding: 1.1rem 1.25rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  position: relative;
  z-index: 1;
}
.hero-dash-item + .hero-dash-item { margin-top: 1rem; }
.hero-dash-item.bl-primary { border-left: 4px solid var(--color-primary); }
.hero-dash-item.bl-teal { border-left: 4px solid var(--color-teal); }
.dash-icon {
  font-family: 'Material Symbols Outlined';
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}
.dash-icon.primary { color: var(--color-primary); filter: drop-shadow(0 0 8px rgba(0,123,255,0.6)); }
.dash-icon.teal { color: var(--color-teal); filter: drop-shadow(0 0 8px rgba(0,255,255,0.6)); }
.dash-label {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--color-slate-500);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}
.dash-value { font-size: 0.875rem; font-weight: 600; color: white; }
.dash-gain {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-teal);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.35rem;
}

/* ===== SHARED SECTION STYLES ===== */
section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 6rem 0;
}
.section-content {
  width: 90%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 5vw;
  width: 100%;
}
.section-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
.section-tag {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-size: 0.68rem;
  display: block;
  margin-bottom: 0.75rem;
}
.tag-teal { color: var(--color-teal); filter: drop-shadow(0 0 10px rgba(0,255,255,0.5)); }
.tag-primary { color: var(--color-primary); filter: drop-shadow(0 0 10px rgba(0,123,255,0.5)); }
.section-heading { font-size: clamp(1.9rem, 3.8vw, 2.9rem); margin-bottom: 2rem; }
.section-desc { font-size: 1rem; line-height: 1.75; color: var(--color-slate-300); margin-bottom: 2rem; }

/* ===== FADE-IN ===== */
.fade-up {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.45s; }

/* ===== DASHBOARD CARD ===== */
.dashboard-card {
  background: rgba(15,23,42,0.7);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 10px 40px -10px rgba(0,0,0,0.6);
  border-radius: 16px;
}

/* ===== FEATURE LIST ===== */
.feature-list { display: flex; flex-direction: column; gap: 0.75rem; }
.feature-card {
  padding: 1.2rem 1.3rem;
  border-radius: 12px;
  border-left: 2px solid var(--color-primary);
  transition: var(--transition);
  cursor: default;
}
.feature-card:hover { border-left-color: var(--color-teal); }
.feature-card h4 {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  transition: color 0.3s;
}
.feature-card:hover h4 { color: var(--color-teal); }
.feature-card p { font-size: 0.73rem; color: var(--color-slate-400); line-height: 1.65; }
.feature-card-icon {
  padding: 1.4rem;
  border-radius: 12px;
  transition: var(--transition);
}
.feature-card-icon:hover { border-color: rgba(0,123,255,0.4) !important; }
.icon-row { display: flex; align-items: center; gap: 0.875rem; margin-bottom: 0.65rem; }
.mat-icon {
  font-family: 'Material Symbols Outlined';
  font-size: 1.75rem;
  font-weight: 300;
  line-height: 1;
  font-style: normal;
}
.mat-icon.primary { color: var(--color-primary); filter: drop-shadow(0 0 10px rgba(0,123,255,0.5)); }
.mat-icon.teal { color: var(--color-teal); filter: drop-shadow(0 0 10px rgba(0,255,255,0.5)); }
.mat-icon.blue { color: #60a5fa; }
.icon-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: white;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.icon-desc { font-size: 0.73rem; color: var(--color-slate-400); line-height: 1.65; }

/* ===== VISUAL CARDS ===== */
.visual-wrap {
  border-radius: 24px;
  overflow: hidden;
  position: relative;
  padding: 0.5rem;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(0,255,255,0.05) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.25;
  pointer-events: none;
  border-radius: inherit;
}
.live-badge {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0,255,255,0.25);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  z-index: 2;
}
.live-dot {
  width: 7px;
  height: 7px;
  background: var(--color-teal);
  border-radius: 50%;
  animation: pulseDot 2s ease-in-out infinite;
  box-shadow: 0 0 8px rgba(0,255,255,0.8);
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.75); }
}
.live-badge span {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: white;
}
.bottom-badge {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0,255,255,0.18);
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  z-index: 2;
}
.bottom-badge span {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-teal);
}

/* ===== LOG STREAM (NowLog visual) ===== */
.log-stream-card {
  min-height: 380px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.log-stream-header {
  padding: 1.25rem 1.5rem 0;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-teal);
}
.log-stream {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}
.log-entry {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.7rem;
  padding: 0.55rem 0.75rem;
  background: rgba(255,255,255,0.02);
  border-radius: 6px;
  border-left: 2px solid transparent;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.log-entry.log-in { opacity: 1; transform: translateX(0); }
.log-entry.bl-teal { border-left-color: var(--color-teal); }
.log-entry.bl-warn { border-left-color: #f59e0b; }
.log-entry.bl-primary { border-left-color: var(--color-primary); }
.log-time { color: var(--color-slate-500); font-family: monospace; font-size: 0.65rem; min-width: 4.5rem; }
.log-badge {
  font-size: 0.55rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  white-space: nowrap;
}
.log-badge.ok { background: rgba(0,255,136,0.1); color: #00ff88; }
.log-badge.warn { background: rgba(245,158,11,0.1); color: #f59e0b; }
.log-badge.ai { background: rgba(0,123,255,0.1); color: var(--color-primary); }
.log-text { color: rgba(255,255,255,0.75); }
.log-stats {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.log-stat { flex: 1; text-align: center; }
.log-stat-val { font-size: 1.1rem; font-weight: 700; font-family: var(--font-heading); }
.log-stat-lbl { font-size: 0.58rem; color: var(--color-slate-500); text-transform: uppercase; letter-spacing: 0.1em; margin-top: 0.2rem; }

/* ===== WORKFLOW CARD (TIG visual) ===== */
.workflow-card {
  min-height: 380px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.workflow-header-bar {
  padding: 1.25rem 1.5rem 0;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.workflow-steps {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}
.wf-step {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.875rem 1rem;
  border-radius: 10px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
}
.wf-step.step-done { border-color: rgba(0,255,136,0.15); }
.wf-step.step-active { border-color: rgba(0,123,255,0.3); background: rgba(0,123,255,0.06); }
.wf-indicator {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}
.wf-indicator.done { background: rgba(0,255,136,0.15); color: #00ff88; }
.wf-indicator.active { background: rgba(0,123,255,0.2); color: var(--color-primary); animation: wfPulse 2s ease-in-out infinite; }
.wf-indicator.pending { background: rgba(255,255,255,0.05); color: var(--color-slate-500); }
@keyframes wfPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,123,255,0.4); }
  50% { box-shadow: 0 0 0 4px rgba(0,123,255,0.1); }
}
.wf-info { flex: 1; }
.wf-name { font-size: 0.78rem; font-weight: 600; color: white; margin-bottom: 0.15rem; }
.wf-meta { font-size: 0.62rem; color: var(--color-slate-500); }
.wf-bar-wrap { width: 50px; }
.wf-bar { height: 3px; background: rgba(255,255,255,0.06); border-radius: 2px; overflow: hidden; }
.wf-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--color-primary);
  width: var(--fill, 0%);
  transition: width 1.5s ease;
}
.wf-bar-fill.done { background: #00ff88; }
.wf-bar-fill.active { background: var(--color-primary); }
.workflow-footer {
  padding: 0.75rem 1.5rem 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.workflow-footer .wf-footer-label { font-size: 0.6rem; color: var(--color-slate-500); text-transform: uppercase; letter-spacing: 0.12em; }
.workflow-footer .wf-footer-val { font-size: 1.4rem; font-weight: 700; font-family: var(--font-heading); color: var(--color-primary); }
.workflow-footer .wf-footer-unit { font-size: 0.7rem; color: var(--color-slate-400); }

/* ===== NETWORK CARD (Morey visual) ===== */
.network-card {
  min-height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.network-svg {
  width: 100%;
  height: 340px;
  display: block;
}

/* ===== MOREY LIST ===== */
.morey-list { display: flex; flex-direction: column; gap: 0.65rem; }
.morey-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  border-radius: 12px;
  transition: var(--transition);
}
.morey-item:hover { background: rgba(255,255,255,0.04); }
.morey-num {
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--font-heading);
  min-width: 2.25rem;
  transition: transform 0.3s ease;
}
.morey-item:hover .morey-num { transform: scale(1.1); }
.morey-item h5 { font-size: 0.85rem; font-weight: 700; margin-bottom: 0.2rem; }
.morey-item p { font-size: 0.68rem; color: var(--color-slate-500); font-weight: 500; }

/* ===== TYPEWRITER CURSOR ===== */
.tw-cursor {
  display: inline-block;
  width: 2px;
  height: 0.9em;
  background: var(--color-teal);
  margin-left: 1px;
  vertical-align: text-bottom;
  animation: blinkCursor 0.8s step-end infinite;
}
@keyframes blinkCursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ===== FOOTER / CONTACT ===== */
#contact {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 5rem 0;
}
.contact-card {
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  width: 100%;
}
.contact-form-side {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.contact-form-side h2 { font-size: 2.1rem; margin-bottom: 0.75rem; }
.contact-form-side > p { color: var(--color-slate-300); font-size: 0.95rem; margin-bottom: 2.5rem; line-height: 1.7; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 1.75rem; margin-bottom: 1.75rem; }
.form-group {
  border-bottom: 2px solid rgba(255,255,255,0.1);
  padding-bottom: 0.5rem;
  transition: border-color 0.3s ease;
}
.form-group:focus-within { border-bottom-color: var(--color-primary); }
.form-group label {
  display: block;
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--color-slate-400);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: white;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.18); }
.form-group textarea { resize: none; }
.form-single { margin-bottom: 1.75rem; }
.btn-submit {
  width: 100%;
  background: var(--color-primary);
  color: white;
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 1.2rem;
  border-radius: 12px;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.875rem;
  transition: var(--transition);
  box-shadow: 0 15px 50px -10px rgba(0,123,255,0.5);
}
.btn-submit:hover { transform: scale(1.02); box-shadow: 0 15px 50px -5px rgba(0,123,255,0.7); }
.btn-submit:focus { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.btn-submit .mat-icon { font-size: 1rem; transition: transform 0.3s ease; }
.btn-submit:hover .mat-icon { transform: translateX(4px); }
.contact-footer-links {
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  gap: 2rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  font-size: 0.6rem;
  text-transform: uppercase;
  color: var(--color-slate-500);
}
.contact-footer-links a:hover { color: var(--color-primary); transition: color 0.3s; }
.contact-visual-side {
  display: none;
  position: relative;
  background: rgba(2,6,23,0.6);
  min-height: 400px;
}
.contact-visual-side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  filter: contrast(1.4) saturate(1.4);
}
.contact-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--color-deep-space) 0%, transparent 60%);
}
.contact-visual-text {
  position: absolute;
  bottom: 3.5rem;
  left: 3.5rem;
  right: 3.5rem;
}
.result-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--color-teal);
  filter: drop-shadow(0 0 8px rgba(0,255,255,0.5));
  margin-bottom: 0.875rem;
  display: block;
}
.contact-visual-text p {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 300;
  color: white;
  line-height: 1.4;
}
.contact-visual-text p strong {
  display: block;
  font-weight: 800;
  font-style: italic;
  margin-top: 0.35rem;
  position: relative;
}
.contact-visual-text p strong::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 5rem;
  height: 3px;
  background: var(--color-primary);
  border-radius: 999px;
  box-shadow: 0 0 10px rgba(0,123,255,0.8);
}

/* ===== RESPONSIVE: TABLET 768px ===== */
@media (min-width: 768px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

/* ===== RESPONSIVE: DESKTOP 1024px ===== */
@media (min-width: 1024px) {
  .nav-links { display: flex; }
  .nav-hamburger { display: none; }
  .hero-content { grid-template-columns: 7fr 5fr; }
  .hero-dashboard { display: block; }
  .section-grid { grid-template-columns: 5fr 7fr; }
  .section-grid.reverse { grid-template-columns: 7fr 5fr; }
  .section-grid.reverse .col-text { order: 2; }
  .section-grid.reverse .col-visual { order: 1; }
  .contact-card { flex-direction: row; }
  .contact-form-side { width: 50%; padding: 4rem; }
  .contact-visual-side { display: block; width: 50%; }
}