/* ==========================================================================
   VINKOVIC.ME — Vinković IT Consulting
   Design System: Dark Enterprise Tech / Cyber Infrastructure
   Colors from Official Vector Kit Specification:
   - Deep Carbon Navy:      #0B0F19 (rgb(11, 15, 25))
   - Slate Card Surface:    #111827 (rgb(17, 24, 39))
   - Slate Border:          #1E293B (rgb(30, 41, 59))
   - Electric Network Blue: #0284C7 (rgb(2, 132, 199))
   - Core Sky Blue:         #0EA5E9 (rgb(14, 165, 233))
   - High-Tech Cyan:        #00F2FE (rgb(0, 242, 254))
   - Status Emerald OK:     #10B981 (rgb(16, 185, 129))
   ========================================================================== */

:root {
  --bg-deep: #0B0F19;
  --bg-darker: #070A12;
  --bg-card: rgba(17, 24, 39, 0.72);
  --bg-card-hover: rgba(22, 32, 52, 0.88);
  --bg-glass: rgba(15, 23, 42, 0.65);
  --border-subtle: rgba(30, 41, 59, 0.85);
  --border-cyan: rgba(14, 165, 233, 0.45);
  --border-cyan-bright: rgba(0, 242, 254, 0.75);

  --blue-electric: #0284C7;
  --blue-sky: #0EA5E9;
  --cyan-tech: #00F2FE;
  --emerald-ok: #10B981;

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  --font-sans: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --gradient-brand: linear-gradient(135deg, #0284C7 0%, #0EA5E9 45%, #00F2FE 100%);
  --gradient-cta: linear-gradient(90deg, #0EA5E9 0%, #38BDF8 50%, #00F2FE 100%);
  --shadow-cyan-glow: 0 0 28px rgba(14, 165, 233, 0.45), 0 0 60px rgba(0, 242, 254, 0.18);
  --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.55);

  --container-max: 1260px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-primary);
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Subtle Engineering Grid & Ambient Glows */
.ambient-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(14, 165, 233, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(14, 165, 233, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 25%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 25%, #000 30%, transparent 100%);
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.28;
}

.ambient-orb--1 {
  width: 650px;
  height: 650px;
  top: -180px;
  right: -120px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.35) 0%, rgba(2, 132, 199, 0.1) 65%, transparent 100%);
}

.ambient-orb--2 {
  width: 550px;
  height: 550px;
  top: 42%;
  left: -200px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.22) 0%, transparent 70%);
}

.ambient-orb--3 {
  width: 600px;
  height: 600px;
  bottom: -150px;
  right: 10%;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.2) 0%, transparent 70%);
}

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

ul {
  list-style: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

/* ==========================================================================
   HEADER / NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 100;
  background: rgba(11, 15, 25, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(30, 41, 59, 0.75);
  transition: all 0.3s ease;
}

.site-header.scrolled {
  background: rgba(7, 10, 18, 0.92);
  border-bottom-color: rgba(14, 165, 233, 0.28);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo svg {
  height: 44px;
  width: auto;
  filter: drop-shadow(0 0 12px rgba(0, 242, 254, 0.22));
  transition: filter 0.3s ease, transform 0.3s ease;
}

.brand-logo:hover svg {
  filter: drop-shadow(0 0 18px rgba(0, 242, 254, 0.45));
  transform: translateY(-1px);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: all 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: rgba(14, 165, 233, 0.1);
}

.nav-link.active {
  box-shadow: inset 0 0 0 1px rgba(14, 165, 233, 0.35), 0 0 16px rgba(14, 165, 233, 0.2);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language Switcher (matches WEB DEMO 1 & 2) */
.lang-switch {
  display: inline-flex;
  align-items: center;
  background: rgba(17, 24, 39, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 3px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  transition: all 0.2s ease;
}

.lang-btn.active {
  background: rgba(14, 165, 233, 0.2);
  color: var(--cyan-tech);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

.lang-btn:hover:not(.active) {
  color: var(--text-primary);
}

/* Header Outline Pill CTA */
.btn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.45);
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.18);
  transition: all 0.25s ease;
}

.btn-header-cta:hover {
  background: rgba(14, 165, 233, 0.22);
  border-color: var(--cyan-tech);
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.38);
  transform: translateY(-1px);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--emerald-ok);
  box-shadow: 0 0 10px var(--emerald-ok);
  display: inline-block;
  animation: pulseDot 2.2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.65; }
}

/* Mobile Menu Button */
.mobile-menu-toggle {
  display: none;
  background: rgba(17, 24, 39, 0.8);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ==========================================================================
   HERO SECTION (WEB DEMO 1 + Razrada Hero grafike)
   ========================================================================== */
.hero-section {
  position: relative;
  padding: calc(var(--header-height) + 56px) 0 44px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 40px;
}

.hero-content {
  position: relative;
  z-index: 3;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  background: rgba(17, 24, 39, 0.85);
  border: 1px solid rgba(14, 165, 233, 0.35);
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.12);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cyan-tech);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.35rem, 4.4vw, 3.65rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 22px;
}

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

.hero-subtitle {
  font-size: clamp(1.05rem, 1.35vw, 1.18rem);
  color: var(--text-secondary);
  max-width: 580px;
  margin-bottom: 34px;
  line-height: 1.68;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 38px;
}

/* Glowing Cyan Button (Exact match to WEB DEMO 1 "Get in Touch" / "Pošalji poruku") */
.btn-primary-glow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 32px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, #38BDF8 0%, #0EA5E9 55%, #0284C7 100%);
  color: #061320;
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: -0.01em;
  border: 1px solid #7DD3FC;
  box-shadow:
    0 0 25px rgba(14, 165, 233, 0.65),
    0 0 55px rgba(0, 242, 254, 0.28),
    inset 0 1px 1px rgba(255, 255, 255, 0.65);
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-primary-glow:hover {
  transform: translateY(-2px);
  background: linear-gradient(180deg, #67E8F9 0%, #0EA5E9 55%, #0284C7 100%);
  box-shadow:
    0 0 32px rgba(0, 242, 254, 0.85),
    0 0 70px rgba(14, 165, 233, 0.45),
    inset 0 1px 2px rgba(255, 255, 255, 0.85);
}

.btn-secondary-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: var(--radius-pill);
  background: rgba(17, 24, 39, 0.6);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid rgba(148, 163, 184, 0.38);
  backdrop-filter: blur(8px);
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-secondary-outline:hover {
  border-color: var(--cyan-tech);
  color: var(--cyan-tech);
  background: rgba(14, 165, 233, 0.1);
  box-shadow: 0 0 22px rgba(14, 165, 233, 0.22);
  transform: translateY(-2px);
}

/* Hero Quick Telemetry Metrics */
.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding-top: 22px;
  border-top: 1px solid rgba(30, 41, 59, 0.8);
}

.metric-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.metric-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: rgba(14, 165, 233, 0.12);
  border: 1px solid rgba(14, 165, 233, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-tech);
}

.metric-text strong {
  display: block;
  font-size: 0.88rem;
  color: var(--text-primary);
  font-weight: 700;
}

.metric-text span {
  display: block;
  font-size: 0.76rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* Right Hero Visual — Blend Razrada Hero grafike.jpeg + Interactive HUD */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-graphic-frame {
  position: relative;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(14, 165, 233, 0.25);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.7), 0 0 45px rgba(14, 165, 233, 0.15);
  background: #0B0F19;
}

.hero-graphic-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transform: scale(1.03);
  transition: transform 0.7s ease;
}

.hero-graphic-frame:hover .hero-graphic-img {
  transform: scale(1.07);
}

.hero-graphic-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 65% 50%, transparent 45%, rgba(11, 15, 25, 0.85) 100%),
    linear-gradient(90deg, rgba(11, 15, 25, 0.75) 0%, transparent 32%, transparent 85%, rgba(11, 15, 25, 0.65) 100%),
    linear-gradient(180deg, rgba(11, 15, 25, 0.45) 0%, transparent 25%, transparent 75%, rgba(11, 15, 25, 0.8) 100%);
  pointer-events: none;
}

/* Floating Live Telemetry Badges over Hero Visual */
.hud-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border-radius: 10px;
  background: rgba(11, 15, 25, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(14, 165, 233, 0.4);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6), 0 0 18px rgba(14, 165, 233, 0.18);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-primary);
  z-index: 4;
  animation: floatChip 5s ease-in-out infinite;
}

.hud-chip--top {
  top: 18px;
  left: 18px;
}

.hud-chip--bottom {
  bottom: 18px;
  right: 18px;
  animation-delay: -2.5s;
}

@keyframes floatChip {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.hud-chip-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald-ok);
  box-shadow: 0 0 8px var(--emerald-ok);
}

.hud-chip-indicator--cyan {
  background: var(--cyan-tech);
  box-shadow: 0 0 8px var(--cyan-tech);
}

/* ==========================================================================
   VENDOR / TECH LOGO BAR (Exact match to WEB DEMO 1)
   ========================================================================== */
.vendor-bar-wrap {
  margin-top: 38px;
  position: relative;
  z-index: 4;
}

.vendor-bar {
  background: linear-gradient(180deg, rgba(22, 31, 48, 0.78) 0%, rgba(15, 22, 36, 0.85) 100%);
  border: 1px solid rgba(56, 189, 248, 0.22);
  border-radius: 16px;
  padding: 22px 36px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 28px;
}

.vendor-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  opacity: 0.72;
  transition: all 0.25s ease;
  color: #CBD5E1;
  cursor: default;
}

.vendor-item:hover {
  opacity: 1;
  color: #FFFFFF;
  filter: drop-shadow(0 0 12px rgba(0, 242, 254, 0.4));
  transform: translateY(-2px);
}

.vendor-item svg {
  height: 34px;
  width: auto;
}

/* ==========================================================================
   SECTION HEADINGS
   ========================================================================== */
.section {
  padding: 88px 0;
  position: relative;
  z-index: 2;
}

.section-header {
  margin-bottom: 48px;
}

.section-header--center {
  text-align: center;
  max-width: 740px;
  margin-left: auto;
  margin-right: auto;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cyan-tech);
  margin-bottom: 12px;
}

.section-eyebrow::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 2px;
  background: var(--gradient-brand);
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.45rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.65;
}

/* ==========================================================================
   4 PILLARS OF SERVICES (Exact match to WEB DEMO 1 & 2 + Copywriting)
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.service-card {
  position: relative;
  background: linear-gradient(180deg, rgba(19, 28, 46, 0.82) 0%, rgba(12, 18, 31, 0.92) 100%);
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: var(--radius-md);
  padding: 28px 24px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.45);
}

/* Bottom Cyan Underglow like in WEB DEMO 1 & 2 */
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan-tech), transparent);
  box-shadow: 0 -4px 25px 4px rgba(0, 242, 254, 0.45);
  opacity: 0.75;
  transition: all 0.35s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 242, 254, 0.7);
  background: linear-gradient(180deg, rgba(23, 35, 58, 0.92) 0%, rgba(14, 22, 38, 0.96) 100%);
  box-shadow:
    0 24px 50px rgba(0, 0, 0, 0.65),
    0 0 35px rgba(14, 165, 233, 0.22);
}

.service-card:hover::after {
  left: 5%;
  right: 5%;
  opacity: 1;
  box-shadow: 0 -6px 32px 6px rgba(0, 242, 254, 0.68);
}

.service-card-number {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--blue-sky);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.service-card-title {
  font-size: 1.22rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 18px;
}

/* Blueprint Vector Illustration inside Card (matches WEB DEMO 1 & 2) */
.service-diagram {
  width: 100%;
  height: 112px;
  margin: 6px 0 20px;
  padding: 12px;
  border-radius: 12px;
  background: rgba(11, 15, 25, 0.65);
  border: 1px solid rgba(30, 41, 59, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.service-diagram svg {
  width: 100%;
  height: 100%;
  overflow: visible;
  filter: drop-shadow(0 0 8px rgba(14, 165, 233, 0.35));
  transition: filter 0.3s ease;
}

.service-card:hover .service-diagram svg {
  filter: drop-shadow(0 0 14px rgba(0, 242, 254, 0.65));
}

.service-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 14px;
  border-top: 1px solid rgba(30, 41, 59, 0.8);
}

.tech-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 4px 9px;
  border-radius: 6px;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.25);
  color: #7DD3FC;
  transition: all 0.2s ease;
}

.service-card:hover .tech-badge {
  border-color: rgba(0, 242, 254, 0.45);
  background: rgba(14, 165, 233, 0.16);
}

/* ==========================================================================
   INTERACTIVE ARCHITECTURE SIMULATOR / BLUEPRINT SECTION
   ========================================================================== */
.blueprint-box {
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.82) 0%, rgba(11, 15, 25, 0.94) 100%);
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.blueprint-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.blueprint-tab {
  background: rgba(11, 15, 25, 0.75);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 11px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  transition: all 0.25s ease;
}

.blueprint-tab:hover {
  color: var(--text-primary);
  border-color: rgba(14, 165, 233, 0.4);
}

.blueprint-tab.active {
  background: rgba(14, 165, 233, 0.15);
  border-color: var(--cyan-tech);
  color: var(--text-primary);
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.22);
}

.blueprint-tab-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan-tech);
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(0, 242, 254, 0.1);
}

.blueprint-content-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 32px;
  align-items: center;
}

.topology-stage {
  background: rgba(7, 10, 18, 0.9);
  border: 1px solid rgba(30, 41, 59, 0.95);
  border-radius: var(--radius-md);
  padding: 28px;
  position: relative;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.topology-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-secondary);
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(51, 65, 85, 0.6);
  margin-bottom: 22px;
}

.topology-status {
  color: var(--emerald-ok);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.topology-nodes {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: relative;
  padding: 18px 0;
}

.topo-node {
  flex: 1;
  background: rgba(17, 24, 39, 0.95);
  border: 1px solid rgba(14, 165, 233, 0.4);
  border-radius: 12px;
  padding: 16px 12px;
  text-align: center;
  position: relative;
  z-index: 2;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.45);
  transition: all 0.3s ease;
}

.topo-node:hover {
  border-color: var(--cyan-tech);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.25);
  transform: translateY(-3px);
}

.topo-node-tag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--cyan-tech);
  text-transform: uppercase;
  margin-bottom: 6px;
  display: block;
}

.topo-node-title {
  font-weight: 700;
  font-size: 0.86rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.topo-node-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-secondary);
}

.topo-connector {
  flex: 0 0 38px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-electric), var(--cyan-tech));
  position: relative;
  box-shadow: 0 0 10px var(--cyan-tech);
}

.topo-connector::after {
  content: '';
  position: absolute;
  top: -3px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #FFFFFF;
  box-shadow: 0 0 10px var(--cyan-tech);
  animation: packetFlow 2s infinite linear;
}

@keyframes packetFlow {
  0% { left: 0%; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { left: calc(100% - 8px); opacity: 0; }
}

.topology-footer {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px dashed rgba(51, 65, 85, 0.6);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.blueprint-details h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.blueprint-details p {
  color: var(--text-secondary);
  font-size: 0.96rem;
  margin-bottom: 20px;
  line-height: 1.65;
}

.blueprint-checklist {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.blueprint-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.blueprint-checklist li svg {
  width: 18px;
  height: 18px;
  color: var(--emerald-ok);
  flex-shrink: 0;
  margin-top: 3px;
}

/* ==========================================================================
   ABOUT ME / PRISTUP RADU (Exact match to WEB DEMO 2 + Copywriting)
   ========================================================================== */
.about-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 42px;
  align-items: center;
}

.about-narrative {
  position: relative;
}

.about-quote {
  padding: 24px 26px;
  border-radius: var(--radius-md);
  background: rgba(17, 24, 39, 0.72);
  border-left: 3px solid var(--cyan-tech);
  border-top: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.72;
  margin-top: 20px;
}

.about-quote p + p {
  margin-top: 14px;
}

.about-quote strong {
  color: var(--text-primary);
}

/* 3 Pillar Mini-Cards (Exact match to WEB DEMO 2 right side) */
.about-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.pillar-card {
  position: relative;
  background: linear-gradient(180deg, rgba(19, 28, 46, 0.85) 0%, rgba(12, 18, 31, 0.95) 100%);
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
}

.pillar-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 18%;
  right: 18%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan-tech), transparent);
  box-shadow: 0 -4px 20px 3px rgba(0, 242, 254, 0.45);
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan-tech);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6), 0 0 25px rgba(14, 165, 233, 0.22);
}

.pillar-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(14, 165, 233, 0.12);
  border: 1px solid rgba(14, 165, 233, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-tech);
  box-shadow: 0 0 16px rgba(14, 165, 233, 0.2);
}

.pillar-card h3 {
  font-size: 1.04rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.32;
}

.pillar-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Engineer Direct Terminal Strip */
.engineer-direct-bar {
  margin-top: 22px;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  background: rgba(11, 15, 25, 0.85);
  border: 1px solid rgba(30, 41, 59, 0.9);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.engineer-direct-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.engineer-avatar-badge {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(14, 165, 233, 0.12);
  border: 1px solid rgba(0, 242, 254, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
}

.engineer-meta strong {
  display: block;
  font-size: 0.94rem;
  color: var(--text-primary);
}

.engineer-meta span {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--cyan-tech);
}

/* ==========================================================================
   CONTACT SECTION (Exact match to WEB DEMO 2 + Copywriting)
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 44px;
  align-items: start;
}

.contact-info-panel {
  padding-top: 8px;
}

.contact-lead {
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.68;
  margin-bottom: 30px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 30px;
}

.contact-method-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: rgba(17, 24, 39, 0.78);
  border: 1px solid rgba(56, 189, 248, 0.25);
  transition: all 0.25s ease;
}

.contact-method-card:hover {
  border-color: var(--cyan-tech);
  background: rgba(22, 32, 52, 0.9);
  box-shadow: 0 0 24px rgba(14, 165, 233, 0.18);
}

.contact-method-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.contact-method-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(14, 165, 233, 0.14);
  border: 1px solid rgba(14, 165, 233, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-tech);
  flex-shrink: 0;
}

.contact-method-label {
  display: block;
  font-size: 0.76rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-method-value {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-primary);
}

.btn-copy-email {
  background: rgba(14, 165, 233, 0.12);
  border: 1px solid rgba(14, 165, 233, 0.35);
  color: var(--cyan-tech);
  padding: 7px 12px;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-copy-email:hover {
  background: rgba(14, 165, 233, 0.25);
  border-color: var(--cyan-tech);
}

/* Glassmorphic Contact Form Card (WEB DEMO 2) */
.contact-form-card {
  position: relative;
  background: linear-gradient(180deg, rgba(19, 28, 46, 0.85) 0%, rgba(12, 18, 31, 0.95) 100%);
  border: 1px solid rgba(56, 189, 248, 0.32);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow-card), 0 0 40px rgba(14, 165, 233, 0.12);
  overflow: hidden;
}

.contact-form-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan-tech), transparent);
  box-shadow: 0 -4px 28px 5px rgba(0, 242, 254, 0.55);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 7px;
}

.form-input,
.form-textarea {
  width: 100%;
  background: rgba(11, 15, 25, 0.82);
  border: 1px solid rgba(51, 65, 85, 0.85);
  border-radius: 10px;
  padding: 13px 16px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.94rem;
  transition: all 0.25s ease;
  outline: none;
}

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

.form-input:focus,
.form-textarea:focus {
  border-color: var(--cyan-tech);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.18), 0 0 18px rgba(0, 242, 254, 0.15);
  background: rgba(11, 15, 25, 0.96);
}

.form-textarea {
  min-height: 128px;
  resize: vertical;
}

/* Topic Chips inside Form */
.topic-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.topic-chip {
  background: rgba(11, 15, 25, 0.75);
  border: 1px solid rgba(51, 65, 85, 0.8);
  color: var(--text-secondary);
  padding: 6px 13px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all 0.2s ease;
}

.topic-chip:hover {
  border-color: rgba(14, 165, 233, 0.5);
  color: var(--text-primary);
}

.topic-chip.selected {
  background: rgba(14, 165, 233, 0.2);
  border-color: var(--cyan-tech);
  color: var(--cyan-tech);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.22);
}

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.form-privacy-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-status-msg {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: 10px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #6EE7B7;
  font-size: 0.88rem;
  display: none;
}

.form-status-msg.visible {
  display: block;
}

/* ==========================================================================
   FOOTER (Exact match to WEB DEMO 2 bottom bar)
   ========================================================================== */
.site-footer {
  border-top: 1px solid rgba(30, 41, 59, 0.85);
  padding: 36px 0;
  background: rgba(7, 10, 18, 0.85);
  position: relative;
  z-index: 2;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-logo svg {
  height: 38px;
  width: auto;
}

.footer-copy {
  font-size: 0.86rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1120px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .about-wrapper {
    grid-template-columns: 1fr;
  }
  .blueprint-content-grid {
    grid-template-columns: 1fr;
  }
}

/* Keyboard focus remains visible against the existing dark surfaces. */
:focus-visible {
  outline: 2px solid var(--cyan-tech);
  outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 820px) {
  .header-inner { gap: 12px; }
  .brand-logo { flex: 1 1 auto; min-width: 0; }
  .brand-logo img { width: min(100%, 220px); height: auto; }
  .header-actions { flex: 0 0 auto; gap: 10px; }
  .mobile-menu-toggle { flex-shrink: 0; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(11, 15, 25, 0.98);
    border-bottom: 1px solid var(--border-cyan);
    flex-direction: column;
    padding: 20px;
    gap: 10px;
  }
  .nav-links.open {
    display: flex;
  }
  .mobile-menu-toggle {
    display: inline-flex;
  }
  .btn-header-cta {
    display: none;
  }
  .about-pillars {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .topology-nodes {
    flex-direction: column;
  }
  .topo-connector {
    width: 2px;
    height: 28px;
    flex: 0 0 28px;
  }
}

@media (max-width: 600px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
  .form-row-2 {
    grid-template-columns: 1fr;
  }
  .vendor-bar {
    padding: 18px 20px;
    justify-content: center;
  }
  .blueprint-box,
  .contact-form-card {
    padding: 22px 18px;
  }
  .hud-chip {
    display: none;
  }
}