:root {
      --bg-primary: #060B16;
      --blue-start: #2AABEE;
      --blue-end: #1E96D1;
      --text-white: #FFFFFF;
      --text-muted: #94A3B8;
      --accent-red: #FF3B43;
      --glass-bg: rgba(255, 255, 255, 0.03);
      --glass-bg-hover: rgba(42, 171, 238, 0.07);
      --glass-border: rgba(255, 255, 255, 0.08);
      --glass-border-hover: rgba(42, 171, 238, 0.45);
      --blue-gradient: linear-gradient(135deg, #2AABEE 0%, #1E96D1 100%);
      --surface-elevated: rgba(12, 20, 38, 0.72);
      --radius-lg: 24px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --container-width: 1200px;
      --header-height: 84px;
      --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }

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

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

    body {
      background-color: var(--bg-primary);
      color: var(--text-white);
      line-height: 1.6;
      overflow-x: hidden;
      min-width: 320px;
      position: relative;
    }

    /* Ambient Background Grid via Pure CSS */
    .ambient-grid {
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 0;
      background-image:
        linear-gradient(to right, rgba(42, 171, 238, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(42, 171, 238, 0.03) 1px, transparent 1px);
      background-size: 64px 64px;
      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%);
    }

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

    /* Gradient Divider Line */
    .gradient-line {
      width: 100%;
      height: 1px;
      background: linear-gradient(
        90deg,
        rgba(42, 171, 238, 0) 0%,
        rgba(42, 171, 238, 0.55) 35%,
        rgba(30, 150, 209, 0.55) 65%,
        rgba(30, 150, 209, 0) 100%
      );
      position: relative;
    }

    .gradient-line::after {
      content: "";
      position: absolute;
      left: 50%;
      top: -2px;
      transform: translateX(-50%);
      width: 60px;
      height: 5px;
      border-radius: 999px;
      background: var(--blue-gradient);
      filter: blur(6px);
      opacity: 0.75;
    }

    /* ================= HEADER ================= */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: var(--header-height);
      z-index: 100;
      background: rgba(6, 11, 22, 0.76);
      backdrop-filter: blur(20px) saturate(180%);
      -webkit-backdrop-filter: blur(20px) saturate(180%);
      border-bottom: 1px solid rgba(42, 171, 238, 0.14);
      transition: background 0.35s ease, box-shadow 0.35s ease;
      overflow: hidden;
    }

    .site-header.scrolled {
      background: rgba(6, 11, 22, 0.92);
      box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55), 0 1px 0 rgba(42, 171, 238, 0.22);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
      gap: 16px;
      position: relative;
    }

    /* Brand Logo with Energy Line extending across header */
    .brand-link {
      display: inline-flex;
      align-items: center;
      text-decoration: none;
      color: var(--text-white);
      min-height: 48px;
      min-width: 48px;
      position: relative;
      z-index: 3;
      padding: 4px 0;
      outline: none;
    }

    .brand-link:focus-visible {
      outline: 2px solid var(--blue-start);
      outline-offset: 4px;
      border-radius: 8px;
    }

    .logo-svg-wrap {
      display: flex;
      align-items: center;
      position: relative;
    }

    .logo-svg {
      width: 240px;
      height: 54px;
      overflow: visible;
      display: block;
    }

    /* Continuous energy stream from logo across header to right edge */
    .header-energy-beam {
      position: absolute;
      left: 168px;
      right: -30vw;
      top: 50%;
      height: 2px;
      transform: translateY(-50%);
      background: linear-gradient(90deg, #2AABEE 0%, #1E96D1 45%, rgba(42, 171, 238, 0.18) 80%, transparent 100%);
      box-shadow: 0 0 14px rgba(42, 171, 238, 0.75), 0 0 28px rgba(30, 150, 209, 0.45);
      pointer-events: none;
      z-index: 1;
      opacity: 0.85;
    }

    .header-energy-beam::after {
      content: "";
      position: absolute;
      top: -1px;
      left: 0;
      width: 140px;
      height: 4px;
      border-radius: 999px;
      background: linear-gradient(90deg, transparent, #FFFFFF, #2AABEE, transparent);
      filter: blur(1px);
      animation: energyPulseBeam 4.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
    }

    @keyframes energyPulseBeam {
      0% {
        left: 0%;
        opacity: 0;
      }
      15% {
        opacity: 1;
      }
      85% {
        opacity: 0.9;
      }
      100% {
        left: 92%;
        opacity: 0;
      }
    }

    @keyframes orbitGlowPulse {
      0%, 100% {
        filter: drop-shadow(0 0 6px rgba(255, 59, 67, 0.75));
      }
      50% {
        filter: drop-shadow(0 0 12px rgba(255, 59, 67, 1));
      }
    }

    .logo-orbit-ring {
      animation: orbitGlowPulse 3.2s ease-in-out infinite;
    }

    /* Navigation */
    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      position: relative;
      z-index: 3;
      background: rgba(6, 11, 22, 0.68);
      padding: 6px 10px;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 500;
      letter-spacing: -0.01em;
      border-radius: 999px;
      transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--text-white);
      background: rgba(42, 171, 238, 0.12);
      box-shadow: 0 0 20px rgba(42, 171, 238, 0.18);
    }

    .nav-link:focus-visible {
      outline: 2px solid var(--blue-start);
      outline-offset: 2px;
    }

    /* Mobile Menu Toggle */
    .menu-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 48px;
      height: 48px;
      min-width: 44px;
      min-height: 44px;
      border-radius: 14px;
      border: 1px solid rgba(255, 255, 255, 0.12);
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-white);
      cursor: pointer;
      position: relative;
      z-index: 4;
      transition: border-color 0.25s ease, background 0.25s ease;
    }

    .menu-toggle:hover {
      border-color: rgba(42, 171, 238, 0.5);
      background: rgba(42, 171, 238, 0.1);
    }

    .mobile-drawer {
      display: none;
      position: fixed;
      top: var(--header-height);
      left: 0;
      right: 0;
      background: rgba(6, 11, 22, 0.96);
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
      border-bottom: 1px solid rgba(42, 171, 238, 0.22);
      padding: 16px 24px 24px;
      z-index: 99;
      flex-direction: column;
      gap: 8px;
      box-shadow: 0 24px 48px rgba(0, 0, 0, 0.7);
    }

    .mobile-drawer.open {
      display: flex;
    }

    .mobile-nav-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 48px;
      padding: 0 16px;
      border-radius: 12px;
      color: var(--text-white);
      text-decoration: none;
      font-size: 1.05rem;
      font-weight: 500;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.06);
      transition: background 0.25s ease, border-color 0.25s ease;
    }

    .mobile-nav-link:hover {
      background: rgba(42, 171, 238, 0.12);
      border-color: rgba(42, 171, 238, 0.35);
    }

    /* ================= HERO SECTION ================= */
    .hero {
      position: relative;
      min-height: 100vh;
      padding: calc(var(--header-height) + 64px) 0 96px;
      display: flex;
      align-items: center;
      overflow: hidden;
    }

    /* 3 Breathing Blue Glows */
    .hero-glows {
      position: absolute;
      inset: 0;
      pointer-events: none;
      z-index: 0;
      overflow: hidden;
    }

    .glow-orb {
      position: absolute;
      border-radius: 50%;
      filter: blur(95px);
      will-change: transform, opacity;
    }

    .glow-orb-1 {
      width: 560px;
      height: 560px;
      top: -8%;
      left: -10%;
      background: radial-gradient(circle, rgba(42, 171, 238, 0.32) 0%, rgba(30, 150, 209, 0.08) 55%, transparent 75%);
      animation: breatheGlow1 9s ease-in-out infinite;
    }

    .glow-orb-2 {
      width: 640px;
      height: 640px;
      top: 18%;
      right: -14%;
      background: radial-gradient(circle, rgba(30, 150, 209, 0.28) 0%, rgba(42, 171, 238, 0.07) 58%, transparent 78%);
      animation: breatheGlow2 12s ease-in-out infinite;
    }

    .glow-orb-3 {
      width: 480px;
      height: 480px;
      bottom: -12%;
      left: 32%;
      background: radial-gradient(circle, rgba(42, 171, 238, 0.22) 0%, rgba(30, 150, 209, 0.05) 60%, transparent 80%);
      animation: breatheGlow3 10.5s ease-in-out infinite;
    }

    @keyframes breatheGlow1 {
      0%, 100% {
        transform: translate3d(0, 0, 0) scale(1);
        opacity: 0.75;
      }
      50% {
        transform: translate3d(38px, 26px, 0) scale(1.16);
        opacity: 1;
      }
    }

    @keyframes breatheGlow2 {
      0%, 100% {
        transform: translate3d(0, 0, 0) scale(1);
        opacity: 0.7;
      }
      50% {
        transform: translate3d(-44px, -30px, 0) scale(1.18);
        opacity: 0.98;
      }
    }

    @keyframes breatheGlow3 {
      0%, 100% {
        transform: translate3d(0, 0, 0) scale(1);
        opacity: 0.6;
      }
      50% {
        transform: translate3d(24px, -36px, 0) scale(1.14);
        opacity: 0.92;
      }
    }

    /* Continuation of the Header Logo Energy Line into the Hero Background */
    .hero-energy-continuation {
      position: absolute;
      inset: 0;
      pointer-events: none;
      z-index: 1;
    }

    .hero-energy-svg {
      width: 100%;
      height: 100%;
      display: block;
    }

    .energy-stream-dash {
      stroke-dasharray: 220 900;
      stroke-dashoffset: 1120;
      animation: streamFlow 7s linear infinite;
    }

    @keyframes streamFlow {
      to {
        stroke-dashoffset: 0;
      }
    }

    .hero-content {
      max-width: 900px;
      margin: 0 auto;
      text-align: center;
      position: relative;
      z-index: 2;
    }

    /* Brand Acronym Pill */
    .brand-pill {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 18px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(42, 171, 238, 0.28);
      box-shadow: 0 0 28px rgba(42, 171, 238, 0.14);
      margin-bottom: 28px;
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }

    .brand-pill-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--accent-red);
      box-shadow: 0 0 10px var(--accent-red);
      flex-shrink: 0;
      animation: pulseRedDot 2.4s ease-in-out infinite;
    }

    @keyframes pulseRedDot {
      0%, 100% {
        transform: scale(1);
        opacity: 0.9;
      }
      50% {
        transform: scale(1.3);
        opacity: 1;
      }
    }

    .brand-pill-text {
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--text-white);
      letter-spacing: 0.02em;
    }

    .brand-pill-text strong {
      color: var(--blue-start);
      font-weight: 600;
    }

    /* Massive Hero Title */
    .hero-title {
      font-size: clamp(3rem, 8.5vw, 6.5rem);
      font-weight: 800;
      line-height: 1.04;
      letter-spacing: -0.035em;
      margin-bottom: 24px;
      background: linear-gradient(135deg, #FFFFFF 15%, #2AABEE 58%, #1E96D1 95%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      filter: drop-shadow(0 12px 36px rgba(42, 171, 238, 0.22));
    }

    .hero-subtitle {
      font-size: clamp(1.125rem, 2.4vw, 1.5rem);
      color: var(--text-muted);
      max-width: 720px;
      margin: 0 auto 20px;
      font-weight: 400;
      line-height: 1.5;
      letter-spacing: -0.01em;
    }

    .hero-decoding {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin: 0 auto 40px;
      display: inline-flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 6px 14px;
      padding: 10px 20px;
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid rgba(255, 255, 255, 0.06);
    }

    .hero-decoding span {
      color: var(--text-white);
      font-weight: 600;
    }

    .hero-decoding em {
      font-style: normal;
      color: var(--blue-start);
      font-weight: 700;
    }

    /* CTA Buttons */
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-bottom: 56px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 52px;
      min-width: 44px;
      padding: 14px 30px;
      border-radius: 999px;
      font-size: 1rem;
      font-weight: 600;
      letter-spacing: -0.01em;
      text-decoration: none;
      cursor: pointer;
      transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.28s ease, background 0.28s ease, border-color 0.28s ease;
      border: none;
      user-select: none;
    }

    .btn:focus-visible {
      outline: 2px solid var(--text-white);
      outline-offset: 3px;
    }

    .btn-primary {
      background: var(--blue-gradient);
      color: var(--text-white);
      box-shadow: 0 8px 28px rgba(42, 171, 238, 0.38), 0 0 0 1px rgba(255, 255, 255, 0.16) inset;
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 14px 38px rgba(42, 171, 238, 0.58), 0 0 24px rgba(30, 150, 209, 0.45);
    }

    .btn-primary:active {
      transform: translateY(-1px);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-white);
      border: 1px solid rgba(42, 171, 238, 0.38);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      box-shadow: 0 6px 24px rgba(30, 150, 209, 0.15);
    }

    .btn-secondary:hover {
      transform: translateY(-3px);
      background: rgba(42, 171, 238, 0.12);
      border-color: var(--blue-start);
      box-shadow: 0 12px 32px rgba(42, 171, 238, 0.32);
    }

    /* Hero Metrics Strip */
    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      max-width: 780px;
      margin: 0 auto;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .metric-item {
      padding: 12px;
      text-align: center;
    }

    .metric-value {
      font-size: clamp(1.5rem, 3vw, 2.1rem);
      font-weight: 800;
      letter-spacing: -0.03em;
      background: var(--blue-gradient);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      display: block;
      line-height: 1.2;
    }

    .metric-label {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-top: 4px;
      display: block;
    }

    /* ================= SECTIONS COMMON (Apple-style Air) ================= */
    .section {
      padding: 112px 0;
      position: relative;
      z-index: 2;
    }

    .section-header {
      margin-bottom: 56px;
    }

    .section-index-row {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }

    .section-number {
      font-size: 0.875rem;
      font-weight: 700;
      letter-spacing: 0.14em;
      padding: 5px 12px;
      border-radius: 999px;
      background: rgba(42, 171, 238, 0.1);
      border: 1px solid rgba(42, 171, 238, 0.3);
      color: var(--blue-start);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .section-number::before {
      content: "";
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--accent-red);
      box-shadow: 0 0 6px var(--accent-red);
    }

    .section-index-line {
      flex: 1;
      height: 1px;
      background: linear-gradient(90deg, rgba(42, 171, 238, 0.4), transparent);
    }

    .section-title {
      font-size: clamp(2rem, 4.5vw, 3.25rem);
      font-weight: 800;
      letter-spacing: -0.03em;
      line-height: 1.12;
      color: var(--text-white);
      margin-bottom: 14px;
    }

    .section-lead {
      font-size: 1.1rem;
      color: var(--text-muted);
      max-width: 660px;
    }

    /* ================= SECTION 01: PROJECTS ================= */
    .projects-toolbar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 36px;
    }

    .group-heading {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-white);
      letter-spacing: -0.015em;
    }

    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      font-size: 0.78rem;
      font-weight: 600;
      padding: 5px 12px;
      border-radius: 999px;
      letter-spacing: 0.02em;
      text-transform: uppercase;
    }

    .status-badge-live {
      background: rgba(42, 171, 238, 0.14);
      color: var(--blue-start);
      border: 1px solid rgba(42, 171, 238, 0.36);
    }

    .status-badge-live::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--blue-start);
      box-shadow: 0 0 8px var(--blue-start);
    }

    .status-badge-dev {
      background: rgba(255, 59, 67, 0.1);
      color: var(--text-white);
      border: 1px solid rgba(255, 59, 67, 0.35);
    }

    .status-badge-dev::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent-red);
      box-shadow: 0 0 8px var(--accent-red);
    }

    /* Filter Tabs (touch target >= 44px) */
    .filter-tabs {
      display: inline-flex;
      flex-wrap: wrap;
      gap: 6px;
      padding: 5px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .filter-btn {
      min-height: 44px;
      padding: 0 18px;
      border-radius: 999px;
      border: none;
      background: transparent;
      color: var(--text-muted);
      font-family: inherit;
      font-size: 0.875rem;
      font-weight: 600;
      cursor: pointer;
      transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
    }

    .filter-btn:hover {
      color: var(--text-white);
    }

    .filter-btn.active {
      background: var(--blue-gradient);
      color: var(--text-white);
      box-shadow: 0 4px 16px rgba(42, 171, 238, 0.35);
    }

    /* Projects Grid */
    .projects-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
      gap: 22px;
      margin-bottom: 56px;
    }

    .project-card {
      position: relative;
      background: linear-gradient(160deg, rgba(14, 24, 44, 0.92), rgba(8, 14, 28, 0.96));
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-lg);
      padding: 28px;
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      transition:
        transform 0.38s cubic-bezier(0.22, 1, 0.36, 1),
        border-color 0.38s ease,
        box-shadow 0.38s ease,
        background 0.38s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      overflow: hidden;
      cursor: pointer;
      text-align: left;
      min-height: 200px;
    }

    .project-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--blue-gradient);
      opacity: 0;
      transition: opacity 0.35s ease;
    }

    .project-card:hover,
    .project-card:focus-visible {
      transform: translateY(-7px);
      background: var(--glass-bg-hover);
      border-color: var(--glass-border-hover);
      box-shadow:
        0 20px 44px rgba(0, 0, 0, 0.5),
        0 0 32px rgba(42, 171, 238, 0.2);
      outline: none;
    }

    .project-card:hover::before,
    .project-card:focus-visible::before {
      opacity: 1;
    }

    .project-card-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 20px;
    }

    .project-emoji {
      width: 52px;
      height: 52px;
      border-radius: 16px;
      background: rgba(42, 171, 238, 0.1);
      border: 1px solid rgba(42, 171, 238, 0.24);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      box-shadow: 0 8px 20px rgba(42, 171, 238, 0.12) inset;
      flex-shrink: 0;
    }

    .project-tag {
      font-size: 0.75rem;
      font-weight: 600;
      padding: 5px 11px;
      border-radius: 999px;
      background: rgba(42, 171, 238, 0.12);
      color: var(--blue-start);
      border: 1px solid rgba(42, 171, 238, 0.25);
      white-space: nowrap;
    }

    .project-name {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 8px;
      letter-spacing: -0.015em;
    }

    .project-desc {
      font-size: 0.96rem;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 18px;
    }

    .project-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 14px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 0.84rem;
      color: var(--blue-start);
      font-weight: 600;
    }

    .project-arrow {
      display: inline-flex;
      align-items: center;
      transition: transform 0.25s ease;
    }

    .project-card:hover .project-arrow {
      transform: translateX(4px);
    }

    /* Group "In Development" (Muted + Badge) */
    .dev-group-wrapper {
      background: rgba(255, 255, 255, 0.015);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: 28px;
      padding: 32px;
      position: relative;
    }

    .dev-group-header {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 24px;
    }

    .dev-group-note {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .projects-grid-dev {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
      gap: 20px;
      margin-bottom: 0;
    }

    .project-card.in-dev {
      opacity: 0.9;
      background: linear-gradient(160deg, rgba(12, 20, 38, 0.9), rgba(7, 12, 24, 0.94));
      border-style: dashed;
      border-color: rgba(148, 163, 184, 0.22);
    }

    .project-card.in-dev:hover,
    .project-card.in-dev:focus-visible {
      opacity: 1;
      border-style: solid;
      border-color: var(--glass-border-hover);
      background: var(--glass-bg-hover);
      box-shadow:
        0 20px 44px rgba(0, 0, 0, 0.5),
        0 0 32px rgba(42, 171, 238, 0.2);
    }

    .project-card.in-dev .project-emoji {
      background: rgba(148, 163, 184, 0.08);
      border-color: rgba(148, 163, 184, 0.2);
    }

    .project-tag-dev {
      font-size: 0.74rem;
      font-weight: 600;
      padding: 5px 11px;
      border-radius: 999px;
      background: rgba(255, 59, 67, 0.12);
      color: var(--text-white);
      border: 1px solid rgba(255, 59, 67, 0.35);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .project-tag-dev::before {
      content: "";
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--accent-red);
    }

    /* ================= SECTION 02: ABOUT COMPANY ================= */
    .about-grid {
      display: grid;
      grid-template-columns: 1.25fr 0.95fr;
      gap: 32px;
      align-items: stretch;
    }

    .about-story-card {
      background: linear-gradient(160deg, rgba(14, 24, 44, 0.92), rgba(8, 14, 28, 0.96));
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-lg);
      padding: 40px;
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      position: relative;
      overflow: hidden;
    }

    .about-story-card::after {
      content: "";
      position: absolute;
      right: -80px;
      bottom: -80px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(42, 171, 238, 0.15), transparent 70%);
      pointer-events: none;
    }

    .acronym-highlight {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 16px;
      border-radius: 12px;
      background: rgba(42, 171, 238, 0.1);
      border: 1px solid rgba(42, 171, 238, 0.26);
      color: var(--blue-start);
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 24px;
    }

    .about-paragraph {
      font-size: 1.125rem;
      color: var(--text-white);
      line-height: 1.72;
      margin-bottom: 20px;
      font-weight: 400;
    }

    .about-paragraph.muted {
      color: var(--text-muted);
      font-size: 1.02rem;
      margin-bottom: 0;
    }

    .pillars-row {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 28px;
      padding-top: 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .pillar-chip {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 16px;
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.025);
      border: 1px solid rgba(255, 255, 255, 0.06);
    }

    .pillar-letter {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--blue-gradient);
      color: var(--text-white);
      font-weight: 800;
      font-size: 1rem;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .pillar-text {
      font-size: 0.88rem;
      color: var(--text-white);
      font-weight: 600;
      line-height: 1.3;
    }

    .pillar-text small {
      display: block;
      color: var(--text-muted);
      font-weight: 400;
      font-size: 0.78rem;
    }

    /* Company Legal Facts Card */
    .about-facts-card {
      background: linear-gradient(160deg, rgba(14, 24, 44, 0.92), rgba(8, 14, 28, 0.96));
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-lg);
      padding: 36px;
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 20px;
    }

    .facts-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .facts-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-white);
    }

    .facts-verified {
      font-size: 0.78rem;
      color: var(--blue-start);
      background: rgba(42, 171, 238, 0.12);
      border: 1px solid rgba(42, 171, 238, 0.3);
      padding: 4px 10px;
      border-radius: 999px;
      font-weight: 600;
    }

    .facts-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .fact-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 16px 20px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.07);
      transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
    }

    .fact-row:hover {
      border-color: rgba(42, 171, 238, 0.4);
      background: rgba(42, 171, 238, 0.06);
      transform: translateX(4px);
    }

    .fact-label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }

    .fact-value-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .fact-value {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-white);
      font-variant-numeric: tabular-nums;
      letter-spacing: 0.02em;
    }

    .copy-icon-btn {
      min-width: 44px;
      min-height: 44px;
      border-radius: 10px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-muted);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    }

    .copy-icon-btn:hover {
      color: var(--text-white);
      border-color: var(--blue-start);
      background: rgba(42, 171, 238, 0.15);
    }

    .copy-all-btn {
      width: 100%;
      min-height: 48px;
      border-radius: 14px;
      border: 1px solid rgba(42, 171, 238, 0.32);
      background: rgba(42, 171, 238, 0.09);
      color: var(--text-white);
      font-family: inherit;
      font-size: 0.92rem;
      font-weight: 600;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
    }

    .copy-all-btn:hover {
      background: rgba(42, 171, 238, 0.18);
      box-shadow: 0 8px 24px rgba(42, 171, 238, 0.22);
      transform: translateY(-2px);
    }

    /* ================= SECTION 03: CONTACTS ================= */
    .contacts-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .contact-card {
      background: linear-gradient(160deg, rgba(14, 24, 44, 0.92), rgba(8, 14, 28, 0.96));
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-lg);
      padding: 32px;
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 20px;
      transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.35s ease, box-shadow 0.35s ease, background 0.35s ease;
    }

    .contact-card:hover {
      transform: translateY(-6px);
      background: var(--glass-bg-hover);
      border-color: var(--glass-border-hover);
      box-shadow: 0 20px 44px rgba(0, 0, 0, 0.45), 0 0 28px rgba(42, 171, 238, 0.18);
    }

    .contact-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 16px;
      background: rgba(42, 171, 238, 0.12);
      border: 1px solid rgba(42, 171, 238, 0.28);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--blue-start);
    }

    .contact-label {
      font-size: 0.85rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--text-muted);
      margin-bottom: 8px;
      display: block;
    }

    .contact-value-link {
      font-size: clamp(1.2rem, 2.2vw, 1.45rem);
      font-weight: 700;
      color: var(--text-white);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      letter-spacing: -0.015em;
      transition: color 0.25s ease;
      word-break: break-word;
    }

    .contact-value-link:hover {
      color: var(--blue-start);
    }

    .contact-address {
      font-size: 1rem;
      color: var(--text-white);
      line-height: 1.55;
      font-style: normal;
    }

    .contact-action-row {
      padding-top: 16px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
    }

    .contact-cta-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 44px;
      padding: 8px 16px;
      border-radius: 12px;
      background: rgba(42, 171, 238, 0.12);
      border: 1px solid rgba(42, 171, 238, 0.28);
      color: var(--text-white);
      text-decoration: none;
      font-size: 0.88rem;
      font-weight: 600;
      cursor: pointer;
      font-family: inherit;
      transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    }

    .contact-cta-link:hover {
      background: var(--blue-gradient);
      border-color: transparent;
      box-shadow: 0 6px 20px rgba(42, 171, 238, 0.35);
    }

    /* ================= FOOTER ================= */
    .site-footer {
      padding: 40px 0 48px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      background: rgba(4, 8, 16, 0.9);
      position: relative;
      z-index: 2;
    }

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

    .footer-copy {
      font-size: 0.95rem;
      color: var(--text-white);
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .footer-copy-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent-red);
    }

    .footer-legal {
      font-size: 0.82rem;
      color: var(--text-muted);
      letter-spacing: 0.01em;
    }

    /* ================= MODAL & TOAST ================= */
    .modal-backdrop {
      position: fixed;
      inset: 0;
      background: rgba(6, 11, 22, 0.82);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      z-index: 200;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.28s ease;
    }

    .modal-backdrop.open {
      opacity: 1;
      pointer-events: auto;
    }

    .modal-dialog {
      width: 100%;
      max-width: 540px;
      max-height: calc(100vh - 40px);
      overflow-y: auto;
      overscroll-behavior: contain;
      background: #0B1325;
      border: 1px solid rgba(42, 171, 238, 0.38);
      border-radius: 24px;
      padding: 32px;
      box-shadow: 0 28px 64px rgba(0, 0, 0, 0.75), 0 0 40px rgba(42, 171, 238, 0.2);
      transform: translateY(16px) scale(0.97);
      transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
      position: relative;
      scrollbar-width: thin;
      scrollbar-color: rgba(42, 171, 238, 0.5) transparent;
    }

    .modal-backdrop.open .modal-dialog {
      transform: translateY(0) scale(1);
    }

    .modal-close {
      position: absolute;
      top: 20px;
      right: 20px;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-muted);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      transition: color 0.2s ease, border-color 0.2s ease;
    }

    .modal-close:hover {
      color: var(--text-white);
      border-color: var(--blue-start);
    }

    .modal-img {
      display: block;
      width: 100%;
      max-height: 46vh;
      object-fit: cover;
      object-position: center;
      border-radius: 16px;
      border: 1px solid rgba(42, 171, 238, 0.3);
      margin-bottom: 18px;
      background: rgba(42, 171, 238, 0.08);
    }
    .modal-img[hidden] {
      display: none;
    }

    .modal-emoji {
      width: 60px;
      height: 60px;
      border-radius: 18px;
      background: rgba(42, 171, 238, 0.12);
      border: 1px solid rgba(42, 171, 238, 0.3);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 2rem;
      margin-bottom: 18px;
    }

    .modal-status {
      display: inline-block;
      font-size: 0.76rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      padding: 4px 11px;
      border-radius: 999px;
      background: rgba(42, 171, 238, 0.14);
      color: var(--blue-start);
      border: 1px solid rgba(42, 171, 238, 0.3);
      margin-bottom: 10px;
    }

    .modal-title {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 10px;
      letter-spacing: -0.02em;
    }

    .modal-desc {
      font-size: 1rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.65;
    }

    .modal-highlights {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-bottom: 28px;
      padding: 16px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.06);
    }

    .modal-highlights li {
      font-size: 0.92rem;
      color: var(--text-white);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .modal-highlights li::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--blue-start);
      box-shadow: 0 0 8px var(--blue-start);
      flex-shrink: 0;
    }

    .toast {
      position: fixed;
      bottom: 24px;
      right: 24px;
      z-index: 250;
      background: #0D172E;
      border: 1px solid rgba(42, 171, 238, 0.45);
      color: var(--text-white);
      padding: 14px 20px;
      border-radius: 14px;
      font-size: 0.92rem;
      font-weight: 600;
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6), 0 0 24px rgba(42, 171, 238, 0.25);
      display: flex;
      align-items: center;
      gap: 10px;
      transform: translateY(24px);
      opacity: 0;
      pointer-events: none;
      transition: transform 0.28s ease, opacity 0.28s ease;
    }

    .toast.show {
      transform: translateY(0);
      opacity: 1;
    }

    .toast-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--blue-start);
      box-shadow: 0 0 8px var(--blue-start);
    }

    /* ================= SCROLL REVEAL ANIMATIONS ================= */
    .reveal-section,
    .reveal-card {
      opacity: 0;
      transform: translateY(28px);
      transition:
        opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
      will-change: opacity, transform;
    }

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

    /* ================= RESPONSIVE DESIGN (from 320px) ================= */
    @media (max-width: 992px) {
      .about-grid {
        grid-template-columns: 1fr;
      }
      .contacts-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      :root {
        --header-height: 72px;
      }

      .main-nav {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .logo-svg {
        width: 196px;
        height: 46px;
      }

      .header-energy-beam {
        left: 140px;
      }

      .hero {
        padding: calc(var(--header-height) + 40px) 0 72px;
        min-height: auto;
      }

      .section {
        padding: 76px 0;
      }

      .hero-metrics {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .pillars-row {
        grid-template-columns: 1fr;
      }

      .dev-group-wrapper {
        padding: 22px 18px;
      }

      .about-story-card,
      .about-facts-card,
      .contact-card {
        padding: 24px 20px;
      }
    }

    @media (max-width: 420px) {
      .container {
        padding: 0 16px;
      }

      .projects-grid,
      .projects-grid-dev {
        grid-template-columns: 1fr;
      }

      .hero-actions {
        flex-direction: column;
        width: 100%;
      }

      .hero-actions .btn {
        width: 100%;
      }

      .filter-tabs {
        width: 100%;
        justify-content: center;
      }

      .filter-btn {
        flex: 1 1 auto;
        padding: 0 10px;
        font-size: 0.8rem;
      }

      .fact-row {
        flex-direction: column;
        align-items: flex-start;
      }

      .fact-value-wrap {
        width: 100%;
        justify-content: space-between;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
      }
      .reveal-section,
      .reveal-card {
        opacity: 1 !important;
        transform: none !important;
      }
    }
/* ===== БЛОК: глубокий космос (звездное поле с мерцанием) ===== */
.starfield {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background: url("../img/stars-sky.jpg") center / cover no-repeat;
  opacity: 0.42;
  animation: starBreath 11s ease-in-out infinite;
}
.starfield::before,
.starfield::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../img/stars-sky.jpg") center / cover no-repeat;
}
.starfield::before {
  opacity: 0.30;
  animation: starTwinkle 9s ease-in-out infinite;
}
.starfield::after {
  opacity: 0.22;
  animation: starTwinkle 13s ease-in-out infinite reverse;
}
.starfield::before {
  background-image:
    radial-gradient(1.5px 1.5px at 24px 36px, #fff, transparent),
    radial-gradient(1px 1px at 96px 72px, rgba(255,255,255,.85), transparent),
    radial-gradient(1.3px 1.3px at 168px 24px, rgba(198,232,255,.95), transparent),
    radial-gradient(1px 1px at 216px 132px, rgba(255,255,255,.7), transparent);
  background-size: 264px 180px;
  animation: starPulse 6.5s ease-in-out infinite;
}
.starfield::after {
  background-image:
    radial-gradient(2px 2px at 48px 84px, #fff, transparent),
    radial-gradient(1.6px 1.6px at 156px 168px, rgba(42,171,238,.9), transparent),
    radial-gradient(2.2px 2.2px at 288px 60px, rgba(255,255,255,.85), transparent);
  background-size: 372px 252px;
  animation: starPulse 9.5s ease-in-out infinite reverse;
}
/* Пульсация фона: небо слегка «дышит» */
@keyframes starBreath {
  0%, 100% { opacity: .38; }
  50% { opacity: .52; }
}
@keyframes starTwinkle {
  0%, 100% { opacity: .22; }
  50% { opacity: .92; }
}
/* Пульсация точек: ярче + слегка крупнее (звёзды расцветают) */
@keyframes starPulse {
  0%, 100% { opacity: .16; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.04); }
}
/* ===== Вспыхивающие звёзды (точки) ===== */
.star-sparkles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background-repeat: repeat;
}
.spark-1 {
  background-image:
    radial-gradient(2px 2px at 40px 60px, #fff, transparent),
    radial-gradient(1.5px 1.5px at 170px 130px, rgba(255,255,255,.95), transparent),
    radial-gradient(1.8px 1.8px at 90px 210px, rgba(198,232,255,1), transparent);
  background-size: 240px 260px;
  animation: starFlash 5s ease-in-out infinite;
  animation-delay: 0s;
}
.spark-2 {
  background-image:
    radial-gradient(1.6px 1.6px at 120px 40px, rgba(255,255,255,.95), transparent),
    radial-gradient(2.1px 2.1px at 30px 180px, #fff, transparent),
    radial-gradient(1.5px 1.5px at 220px 100px, rgba(42,171,238,1), transparent);
  background-size: 310px 220px;
  animation: starFlash 7s ease-in-out infinite;
  animation-delay: 2.3s;
}
.spark-3 {
  background-image:
    radial-gradient(1.7px 1.7px at 60px 90px, rgba(255,255,255,.95), transparent),
    radial-gradient(1.5px 1.5px at 200px 200px, #fff, transparent),
    radial-gradient(1.9px 1.9px at 140px 20px, rgba(198,232,255,1), transparent);
  background-size: 270px 290px;
  animation: starFlash 9s ease-in-out infinite;
  animation-delay: 4.7s;
}
/* Короткая яркая вспышка: быстро вспыхнул — погас */
@keyframes starFlash {
  0%, 100% { opacity: 0; }
  3% { opacity: 1; filter: drop-shadow(0 0 3px rgba(255,255,255,.9)); }
  8% { opacity: .45; }
  13% { opacity: .85; filter: drop-shadow(0 0 1.5px rgba(198,232,255,.7)); }
  25% { opacity: 0; }
}