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

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
      -webkit-tap-highlight-color: transparent;
    }

    body {
      background-color: #05070a;
      background-image:
        radial-gradient(2px 2px at 20px 30px, #ffffff, transparent),
        radial-gradient(2px 2px at 40px 70px, #00d2ff, transparent),
        radial-gradient(1px 1px at 90px 40px, #ffffff, transparent),
        radial-gradient(2px 2px at 160px 120px, #6336B8, transparent),
        radial-gradient(2px 2px at 230px 190px, #ffffff, transparent),
        radial-gradient(3px 3px at 300px 80px, #00d2ff, transparent),
        radial-gradient(2px 2px at 380px 240px, #ffffff, transparent),
        radial-gradient(ellipse at center, #0d1117 0%, #05070a 72%);
      background-size: 400px 300px, 400px 300px, 400px 300px, 400px 300px, 400px 300px, 400px 300px, 400px 300px, cover;
      color: #111;
      font-family: 'Space Grotesk', sans-serif;
      line-height: 1.5;
      padding: 1.5rem;
      padding: max(1.5rem, env(safe-area-inset-top)) max(1.5rem, env(safe-area-inset-right)) max(1.5rem, env(safe-area-inset-bottom)) max(1.5rem, env(safe-area-inset-left));
      min-height: 100vh;
      min-height: 100dvh;
      display: flex;
      flex-direction: column;
      align-items: center;
      touch-action: manipulation;
      position: relative;
      overflow-x: hidden;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }

    html::-webkit-scrollbar,
    body::-webkit-scrollbar {
      display: none;
    }

    /* PAPER TEXTURE - noise grain overlay */
    body::before {
      content: '';
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      pointer-events: none;
      z-index: 9999;
      opacity: 0.35;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
      background-size: 200px 200px;
      mix-blend-mode: multiply;
    }

    /* Secondary paper grain */
    body::after {
      content: '';
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      pointer-events: none;
      z-index: 9998;
      opacity: 0.08;
      background:
        radial-gradient(circle at 20% 30%, rgba(99, 54, 184, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(245, 185, 30, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0.05) 0%, transparent 70%);
    }

    /* Keep the star field behind the site; paper texture is reserved for cards. */
    body::before,
    body::after {
      display: none;
    }

    /* ============================================================ */
    /*  ROCKET LAUNCH PRELOADER OVERLAY                              */
    /* ============================================================ */
    body.loading {
      overflow: hidden !important;
      background: #05070a;
    }

    .rocket-preloader {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      width: 100vw;
      height: 100vh;
      height: 100dvh;
      background: radial-gradient(circle at 50% 50%, #0d1117 0%, #05070a 100%);
      z-index: 999999;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      transition: opacity 0.8s ease, visibility 0.8s ease;
    }

    .rocket-preloader.dismissed {
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
    }

    /* Twinkling star field */
    .stars-bg {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-image:
        radial-gradient(2px 2px at 20px 30px, #ffffff, rgba(0, 0, 0, 0)),
        radial-gradient(2px 2px at 40px 70px, #00d2ff, rgba(0, 0, 0, 0)),
        radial-gradient(1px 1px at 90px 40px, #ffffff, rgba(0, 0, 0, 0)),
        radial-gradient(2px 2px at 160px 120px, #0055ff, rgba(0, 0, 0, 0)),
        radial-gradient(2px 2px at 230px 190px, #ffffff, rgba(0, 0, 0, 0)),
        radial-gradient(3px 3px at 300px 80px, #00d2ff, rgba(0, 0, 0, 0)),
        radial-gradient(2px 2px at 380px 240px, #ffffff, rgba(0, 0, 0, 0));
      background-repeat: repeat;
      background-size: 400px 300px;
      opacity: 0.6;
      animation: starDrift 7s linear infinite, starTwinkle 1.8s ease-in-out infinite alternate;
    }

    @keyframes starDrift {
      from {
        background-position: 0 0;
      }

      to {
        background-position: 0 300px;
      }
    }

    @keyframes starTwinkle {
      0% {
        opacity: 0.4;
      }

      100% {
        opacity: 0.85;
      }
    }

    /* Rocket Container & Rocket Image */
    .rocket-wrapper {
      position: absolute;
      bottom: -180px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      z-index: 2;
    }

    .preloader-rocket {
      width: clamp(105px, 16vw, 150px);
      height: auto;
      filter: drop-shadow(0 0 20px rgba(0, 210, 255, 0.9));
    }

    /* Electric Blue Flame Exhaust */
    .blue-flame {
      position: relative;
      width: 44px;
      height: 140px;
      margin-top: -15px;
      display: flex;
      justify-content: center;
    }

    .flame-core {
      position: absolute;
      top: 0;
      width: 26px;
      height: 100%;
      background: linear-gradient(to bottom, #ffffff 0%, #00e5ff 35%, #0055ff 70%, transparent 100%);
      border-radius: 50% 50% 20% 20%;
      filter: blur(2px);
      animation: blueFlameFlow 0.8s ease-in-out infinite;
    }

    .flame-glow {
      position: absolute;
      top: -10px;
      width: 65px;
      height: 160px;
      background: radial-gradient(ellipse at top, rgba(0, 210, 255, 0.9) 0%, rgba(0, 85, 255, 0.5) 50%, transparent 80%);
      filter: blur(14px);
      z-index: -1;
    }

    @keyframes blueFlameFlow {

      0%,
      100% {
        transform: scaleX(0.98) scaleY(0.98);
        opacity: 1;
      }

      50% {
        transform: scaleX(1.04) scaleY(1.02);
        opacity: 1;
      }
    }

    /* Rocket Ascent Keyframe */
    .rocket-wrapper.launching {
      will-change: transform, bottom;
      animation: rocketAscent 4s linear forwards;
    }

    @keyframes rocketAscent {
      0% {
        bottom: -180px;
        transform: translateX(-50%) scale(0.9);
      }

      100% {
        bottom: 125vh;
        transform: translateX(-50%) scale(1.08);
      }
    }

    /* Logo Reveal */
    .logo-reveal-container {
      position: relative;
      z-index: 3;
      text-align: center;
      opacity: 0;
      transform: scale(0.55);
      transition: opacity 0.16s linear, transform 0.16s cubic-bezier(0.175, 0.885, 0.32, 1.45);
      pointer-events: none;
    }

    .logo-reveal-container.active {
      opacity: 1;
      transform: scale(1);
    }

    .reveal-logo-img {
      max-width: 90vw;
      width: clamp(320px, 68vw, 760px);
      height: auto;
      filter: drop-shadow(0 0 35px rgba(0, 210, 255, 0.7)) drop-shadow(6px 6px 0 #6336B8);
    }

    .logo-reveal-container.active .reveal-logo-img {
      animation: logoShine 1s ease-out both;
    }

    @keyframes logoShine {
      0% {
        filter: brightness(1) drop-shadow(0 0 12px rgba(0, 210, 255, 0.35)) drop-shadow(4px 4px 0 #6336B8);
      }

      45% {
        filter: brightness(1.55) drop-shadow(0 0 52px rgba(255, 255, 255, 1)) drop-shadow(0 0 32px rgba(0, 210, 255, 0.95)) drop-shadow(7px 7px 0 #6336B8);
      }

      100% {
        filter: brightness(1.05) drop-shadow(0 0 35px rgba(0, 210, 255, 0.7)) drop-shadow(6px 6px 0 #6336B8);
      }
    }

    .reveal-tagline {
      font-family: 'Anton', sans-serif;
      font-size: clamp(1.2rem, 3vw, 2.2rem);
      color: #F5B91E;
      letter-spacing: 0.15em;
      margin-top: 1rem;
      text-shadow: 3px 3px 0 #6336B8;
      opacity: 0;
      transform: translateY(15px);
      transition: all 0.25s ease 0.1s;
    }

    .logo-reveal-container.active .reveal-tagline {
      opacity: 1;
      transform: translateY(0);
    }

    .container {
      max-width: 1100px;
      width: 100%;
      margin: 0 auto;
      padding-inline: clamp(0.4rem, 1.2vw, 0.9rem);
      position: relative;
    }

    .condensed {
      font-family: 'Anton', sans-serif;
      letter-spacing: 0.02em;
      text-transform: uppercase;
    }

    .handwritten {
      font-family: 'Patrick Hand', cursive;
    }

    .chivo {
      font-family: 'Chivo', sans-serif;
    }

    /* Light paper print texture on text */
    .big-cta,
    .big-number,
    .title,
    .queries,
    .footer-brand .name,
    .brand .logo,
    .hacksprint-logo .hack,
    .hacksprint-logo .sprint,
    .amount,
    .label,
    .sub-tagline {
      filter: url(#roughen);
    }

    /* Shared distressed paper-ink treatment for display type. */
    .site-nav a,
    .btn-clean,
    .timer-register-row .label,
    .creative-info-card .desc,
    .creative-info-card .sub,
    .perks-header-ribbon,
    .perks-sub-tag,
    .perk-title,
    .perk-desc,
    .prize-pool-block .label,
    .register-section .sub-text,
    .scan-qr-btn,
    .contact-person,
    .footer-brand .event,
    .footer-brand .tag {
      filter: url(#roughen);
    }

    .paper-ink {
      filter: url(#roughen);
    }

    /* ============================================================ */
    /*  COLLAGE CUTOUT BASE                                          */
    /* ============================================================ */
    .cutout {
      position: relative;
      background: #F3EFE6;
    }

    /* Torn edge mixin via clip-path */
    .torn-bottom {
      clip-path: polygon(0% 0%, 100% 0%, 100% calc(100% - 12px),
          98% calc(100% - 8px), 95% calc(100% - 14px), 92% calc(100% - 9px),
          88% calc(100% - 13px), 85% calc(100% - 7px), 82% calc(100% - 11px),
          78% calc(100% - 14px), 75% calc(100% - 8px), 72% calc(100% - 12px),
          68% calc(100% - 6px), 65% calc(100% - 13px), 62% calc(100% - 9px),
          58% calc(100% - 14px), 55% calc(100% - 7px), 52% calc(100% - 11px),
          48% calc(100% - 13px), 45% calc(100% - 8px), 42% calc(100% - 14px),
          38% calc(100% - 6px), 35% calc(100% - 12px), 32% calc(100% - 9px),
          28% calc(100% - 14px), 25% calc(100% - 7px), 22% calc(100% - 11px),
          18% calc(100% - 13px), 15% calc(100% - 8px), 12% calc(100% - 14px),
          8% calc(100% - 6px), 5% calc(100% - 12px), 2% calc(100% - 9px),
          0% calc(100% - 11px));
      padding-bottom: 20px;
    }

    .torn-top {
      clip-path: polygon(0% 12px, 2% 8px, 5% 14px, 8% 6px, 12% 11px, 15% 7px,
          18% 13px, 22% 9px, 25% 14px, 28% 6px, 32% 12px, 35% 8px,
          38% 13px, 42% 7px, 45% 14px, 48% 9px, 52% 13px, 55% 6px,
          58% 12px, 62% 8px, 65% 14px, 68% 7px, 72% 11px, 75% 13px,
          78% 8px, 82% 14px, 85% 6px, 88% 12px, 92% 9px, 95% 14px,
          98% 7px, 100% 11px,
          100% 100%, 0% 100%);
      padding-top: 20px;
    }

    .torn-both {
      clip-path: polygon(0% 12px, 2% 8px, 5% 14px, 8% 6px, 12% 11px, 15% 7px,
          18% 13px, 22% 9px, 25% 14px, 28% 6px, 32% 12px, 35% 8px,
          38% 13px, 42% 7px, 45% 14px, 48% 9px, 52% 13px, 55% 6px,
          58% 12px, 62% 8px, 65% 14px, 68% 7px, 72% 11px, 75% 13px,
          78% 8px, 82% 14px, 85% 6px, 88% 12px, 92% 9px, 95% 14px,
          98% 7px, 100% 11px,
          100% calc(100% - 12px), 98% calc(100% - 8px), 95% calc(100% - 14px),
          92% calc(100% - 9px), 88% calc(100% - 13px), 85% calc(100% - 7px),
          82% calc(100% - 11px), 78% calc(100% - 14px), 75% calc(100% - 8px),
          72% calc(100% - 12px), 68% calc(100% - 6px), 65% calc(100% - 13px),
          62% calc(100% - 9px), 58% calc(100% - 14px), 55% calc(100% - 7px),
          52% calc(100% - 11px), 48% calc(100% - 13px), 45% calc(100% - 8px),
          42% calc(100% - 14px), 38% calc(100% - 6px), 35% calc(100% - 12px),
          32% calc(100% - 9px), 28% calc(100% - 14px), 25% calc(100% - 7px),
          22% calc(100% - 11px), 18% calc(100% - 13px), 15% calc(100% - 8px),
          12% calc(100% - 14px), 8% calc(100% - 6px), 5% calc(100% - 12px),
          2% calc(100% - 9px), 0% calc(100% - 11px));
      padding-top: 16px;
      padding-bottom: 16px;
    }

    /* ============================================================ */
    /*  BRUSH STROKE - purple paint behind elements                  */
    /* ============================================================ */
    .brush-stroke {
      position: relative;
    }

    .brush-stroke::before {
      content: '';
      position: absolute;
      top: -10px;
      left: -20px;
      right: -20px;
      bottom: -10px;
      background: #6336B8;
      z-index: -1;
      transform: rotate(-1deg);
      clip-path: polygon(2% 15%, 5% 5%, 10% 18%, 15% 3%, 22% 12%, 28% 2%, 35% 15%,
          42% 5%, 48% 10%, 55% 2%, 62% 14%, 68% 4%, 75% 12%, 82% 3%,
          88% 15%, 95% 5%, 98% 10%,
          97% 88%, 95% 95%, 90% 85%, 85% 97%, 78% 88%, 72% 95%,
          65% 85%, 58% 97%, 52% 88%, 45% 95%, 38% 85%, 32% 97%,
          25% 88%, 18% 95%, 12% 85%, 5% 97%, 2% 90%);
      opacity: 0.85;
    }

    .brush-stroke-yellow::before {
      background: #F5B91E;
    }

    /* ============================================================ */
    /*  BUTTONS                                                     */
    /* ============================================================ */
    .btn-clean {
      display: inline-block;
      background: #111;
      color: #F3EFE6;
      font-family: 'Anton', sans-serif;
      font-size: 1.4rem;
      padding: 0.7rem 2.8rem;
      min-height: 48px;
      border: 3px solid #111;
      box-shadow: 6px 6px 0 #6336B8;
      transition: all 0.2s ease;
      text-decoration: none;
      letter-spacing: 0.06em;
      transform: rotate(1deg);
      cursor: pointer;
      -webkit-user-select: none;
      user-select: none;
      position: relative;
    }

    .btn-clean::after {
      content: '';
      position: absolute;
      top: 2px;
      left: 2px;
      right: -6px;
      bottom: -6px;
      border: 2px solid #6336B8;
      pointer-events: none;
      transform: rotate(0.5deg);
    }

    .btn-clean:hover {
      transform: rotate(-1deg) scale(1.03);
      box-shadow: 3px 3px 0 #F5B91E;
      background: #6336B8;
      color: #fff;
      animation-play-state: paused;
    }

    .btn-clean-purple {
      background: #6336B8;
      color: #111;
      box-shadow: 6px 6px 0 #111;
      transform: rotate(-1deg);
    }

    .btn-clean-purple::after {
      border-color: #111;
    }

    .btn-clean-purple:hover {
      transform: rotate(1deg) scale(1.03);
      box-shadow: 3px 3px 0 #F5B91E;
      background: #111;
      color: #F5B91E;
      animation-play-state: paused;
    }

    @keyframes registerGlow {
      0%, 70%, 100% {
        box-shadow: 6px 6px 0 #6336B8, 0 0 0 0 rgba(245, 185, 30, 0);
      }
      85% {
        box-shadow: 6px 6px 0 #6336B8, 0 0 18px 6px rgba(245, 185, 30, 0.8), 0 0 36px 12px rgba(99, 54, 184, 0.5);
      }
    }

    @keyframes registerGlowPurple {
      0%, 70%, 100% {
        box-shadow: 6px 6px 0 #111, 0 0 0 0 rgba(245, 185, 30, 0);
      }
      85% {
        box-shadow: 6px 6px 0 #111, 0 0 18px 6px rgba(245, 185, 30, 0.8), 0 0 36px 12px rgba(99, 54, 184, 0.5);
      }
    }

    @keyframes registerGlowTimer {
      0%, 70%, 100% {
        box-shadow: 6px 6px 0 #111, 0 0 0 0 rgba(245, 185, 30, 0), 0 0 0 2px #F5B91E;
      }
      85% {
        box-shadow: 6px 6px 0 #111, 0 0 18px 6px rgba(245, 185, 30, 0.8), 0 0 36px 12px rgba(99, 54, 184, 0.5), 0 0 0 2px #F5B91E;
      }
    }

    .nav-register,
    .btn-clean-purple,
    .register-btn {
      animation: registerGlow 3s ease-in-out infinite;
    }

    .timer-register-row .btn-clean-purple {
      animation-name: registerGlowTimer;
    }

    /* ============================================================ */
    /*  HERO SCREEN — first viewport (header + laptop + timer)      */
    /* ============================================================ */
    .hero-screen {
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-height: 100vh;
      min-height: 100dvh;
      padding-bottom: 1rem;
      overflow: hidden;
    }

    /* ============================================================ */
    /*  HEADER - torn black collage                                  */
    /* ============================================================ */
    .hero-header {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 1rem 2rem;
      padding: 0.8rem 1.5rem;
      background: #111;
      color: #111;
      border: none;
      position: relative;
      transform: rotate(-0.5deg);
      margin-bottom: 1rem;
      box-shadow: 0 0 0 3px #F3EFE6, 8px 8px 0 #6336B8;
    }

    .hero-header::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: #111;
      clip-path: polygon(0% 4px, 3% 0px, 7% 5px, 12% 1px, 18% 4px, 23% 0px, 28% 5px,
          33% 2px, 38% 5px, 43% 1px, 48% 4px, 53% 0px, 58% 5px,
          63% 2px, 68% 5px, 73% 1px, 78% 4px, 83% 0px, 88% 5px,
          93% 2px, 97% 4px, 100% 1px,
          100% calc(100% - 4px), 97% calc(100% - 0px), 93% calc(100% - 5px),
          88% calc(100% - 1px), 83% calc(100% - 4px), 78% calc(100% - 0px),
          73% calc(100% - 5px), 68% calc(100% - 2px), 63% calc(100% - 5px),
          58% calc(100% - 1px), 53% calc(100% - 4px), 48% calc(100% - 0px),
          43% calc(100% - 5px), 38% calc(100% - 2px), 33% calc(100% - 5px),
          28% calc(100% - 1px), 23% calc(100% - 4px), 18% calc(100% - 0px),
          12% calc(100% - 5px), 7% calc(100% - 2px), 3% calc(100% - 4px),
          0% calc(100% - 1px));
      z-index: 0;
    }

    .hero-header>* {
      position: relative;
      z-index: 1;
    }

    .hero-header .brand {
      display: flex;
      align-items: center;
      justify-content: flex-start;
      flex: 1 1 440px;
      gap: 0.9rem;
    }

    .site-nav {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      flex-wrap: wrap;
      gap: 0.85rem;
    }

    .site-nav a {
      color: #F3EFE6;
      font-family: 'Anton', sans-serif;
      font-size: 0.95rem;
      letter-spacing: 0.08em;
      text-decoration: none;
      text-transform: uppercase;
      border-bottom: 2px solid transparent;
      transition: color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
    }

    .site-nav a:hover,
    .site-nav a:focus-visible {
      color: #F5B91E;
      border-color: #6336B8;
      outline: none;
      transform: rotate(-2deg);
    }

    .site-nav .nav-register {
      background: #F5B91E;
      color: #111;
      padding: 0.38rem 0.75rem;
      border: 2px solid #111;
      box-shadow: 3px 3px 0 #6336B8;
      transform: rotate(1deg);
    }

    .site-nav .nav-register:hover,
    .site-nav .nav-register:focus-visible {
      color: #F3EFE6;
      background: #6336B8;
      border-color: #F3EFE6;
      transform: rotate(-1deg) translateY(-1px);
    }

    .hero-header .brand .brand-logo {
      width: 72px;
      height: 72px;
      border-radius: 50%;
      border: 3px solid #F5B91E;
      object-fit: cover;
      background: #F3EFE6;
      flex-shrink: 0;
    }

    .hero-header .brand .brand-logo-brand {
      height: 72px;
      width: auto;
      max-width: 260px;
      filter: drop-shadow(3px 3px 0 #6336B8);
      flex-shrink: 0;
    }

    .hero-header .btn-clean {
      background: #F5B91E;
      color: #111;
      border-color: #111;
      box-shadow: 4px 4px 0 #6336B8;
    }

    .hero-header .btn-clean::after {
      border-color: #111;
    }

    .hero-header .btn-clean:hover {
      background: #6336B8;
      color: #111;
    }

    /* ============================================================ */
    /*  LAPTOP HERO SHOWCASE — Main Event Highlight                 */
    /* ============================================================ */
    .hacksprint-logo {
      text-align: center;
      margin: 2rem 0 2.5rem;
      display: flex;
      flex-direction: column;
      align-items: center;
      position: relative;
    }

    .hacksprint-logo>* {
      position: relative;
      z-index: 1;
    }

    .laptop-hero-stage {
      position: relative;
      display: inline-block;
      margin: 0.8rem 0;
      animation: laptopFloat 6s ease-in-out infinite;
      transition: transform 0.3s ease, filter 0.3s ease;
    }

    .laptop-hero-stage:hover {
      animation-play-state: paused;
      transform: scale(1.02) translateY(-6px);
    }

    .laptop-img {
      max-width: 100%;
      height: auto;
      width: clamp(280px, 65vw, 750px);
      filter: drop-shadow(12px 14px 0 #111) drop-shadow(0 15px 30px rgba(99, 54, 184, 0.3));
      position: relative;
      z-index: 2;
    }

    .laptop-glow-bg {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 105%;
      height: 105%;
      background: radial-gradient(ellipse at center, rgba(245, 185, 30, 0.35) 0%, rgba(99, 54, 184, 0.25) 45%, transparent 70%);
      filter: blur(35px);
      z-index: 1;
      pointer-events: none;
      border-radius: 50%;
    }

    /* Floating tech accents around laptop */
    .laptop-tech-accent {
      position: absolute;
      z-index: 3;
      pointer-events: none;
      filter: drop-shadow(4px 4px 0 #111);
      transition: transform 0.3s ease;
    }

    .laptop-accent-drone {
      top: -15px;
      left: -25px;
      width: clamp(55px, 12vw, 95px);
      animation: floatDrone 4.5s ease-in-out infinite alternate;
    }

    .laptop-accent-rocket {
      top: -25px;
      right: -25px;
      width: clamp(50px, 10vw, 85px);
      will-change: transform;
      animation: floatRocket 2.8s cubic-bezier(0.45, 0, 0.25, 1) infinite alternate;
    }

    .laptop-accent-vr {
      bottom: 20px;
      right: -30px;
      width: clamp(55px, 11vw, 90px);
      animation: floatVr 4s ease-in-out infinite alternate;
    }

    .laptop-accent-bulb {
      bottom: 30px;
      left: -30px;
      width: clamp(45px, 9vw, 75px);
      animation: floatBulb 3.8s ease-in-out infinite alternate;
    }

    /* Sticker badges on laptop */
    .laptop-sticker-badge {
      position: absolute;
      z-index: 4;
      font-family: 'Patrick Hand', cursive;
      font-weight: 700;
      padding: 0.3rem 1.2rem;
      border: 3px solid #111;
      box-shadow: 4px 4px 0 #111;
      letter-spacing: 0.05em;
      white-space: nowrap;
      pointer-events: auto;
      user-select: none;
      transition: transform 0.2s ease;
    }

    .laptop-sticker-badge:hover {
      transform: translateX(-50%) scale(1.1) rotate(0deg) !important;
    }

    .sticker-main-hacksprint {
      top: -22px;
      left: 50%;
      transform: translateX(-50%) rotate(-2deg);
      background: #F5B91E;
      color: #111;
      font-family: 'Anton', sans-serif;
      font-size: clamp(0.95rem, 2.5vw, 1.4rem);
      box-shadow: 5px 5px 0 #6336B8;
      border: 3px solid #111;
    }

    .sticker-tagline-tape {
      bottom: -22px;
      left: 50%;
      transform: translateX(-50%) rotate(1.5deg);
      background: #6336B8;
      color: #111;
      font-family: 'Chivo', sans-serif;
      font-weight: 700;
      font-size: clamp(0.85rem, 2vw, 1.2rem);
      letter-spacing: 0.12em;
      box-shadow: 5px 5px 0 #F5B91E;
    }

    @keyframes laptopFloat {

      0%,
      100% {
        transform: translateY(0px) rotate(-0.5deg);
      }

      50% {
        transform: translateY(-14px) rotate(0.8deg);
      }
    }

    @keyframes floatDrone {
      0% {
        transform: translateY(0) rotate(0deg);
      }

      100% {
        transform: translateY(-12px) rotate(-8deg);
      }
    }

    @keyframes floatRocket {
      0% {
        transform: translate3d(0, 0, 0) rotate(0deg);
      }

      100% {
        transform: translate3d(-8px, -18px, 0) rotate(12deg);
      }
    }

    @keyframes floatVr {
      0% {
        transform: translateY(0) rotate(0deg);
      }

      100% {
        transform: translateY(-10px) rotate(6deg);
      }
    }

    @keyframes floatBulb {
      0% {
        transform: translateY(0) rotate(0deg);
      }

      100% {
        transform: translateY(-14px) rotate(-6deg);
      }
    }

    /* ============================================================ */
    /*  WHAT'S IN IT FOR YOU — SCRAPBOOK SHOWCASE                   */
    /* ============================================================ */
    .perks-section {
      margin: 4rem 0;
      padding: 3rem 1.8rem;
      background: #F3EFE6;
      border: 4px solid #111;
      box-shadow: 12px 12px 0 #111, 14px 16px 35px rgba(0, 0, 0, 0.15);
      position: relative;
      transform: rotate(-0.4deg);
      text-align: center;
    }

    .perks-section::before {
      content: '';
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%) rotate(-1deg);
      width: 180px;
      height: 24px;
      background: rgba(245, 185, 30, 0.65);
      border: 2px solid rgba(0, 0, 0, 0.2);
      box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
      z-index: 10;
    }

    .perks-header-ribbon {
      display: inline-block;
      background: #6336B8;
      color: #111;
      font-family: 'Anton', sans-serif;
      font-size: clamp(1.8rem, 4vw, 2.6rem);
      padding: 0.6rem 3rem;
      border: 3.5px solid #111;
      box-shadow: 6px 6px 0 #F5B91E;
      transform: rotate(-1.5deg);
      letter-spacing: 0.05em;
      margin-bottom: 0.4rem;
    }

    .perks-sub-tag {
      font-family: 'Patrick Hand', cursive;
      font-size: 1.35rem;
      color: #6336B8;
      margin-bottom: 2.5rem;
      font-weight: 700;
    }

    .perks-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
      margin-top: 1rem;
    }

    .perk-card {
      background: #F3EFE6;
      border: 3.5px solid #111;
      padding: 1.8rem 1.2rem 1.5rem;
      text-align: center;
      position: relative;
      box-shadow: 8px 8px 0 #111;
      transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      transform: rotate(var(--rot, 0deg));
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      min-height: 210px;
    }

    .perk-card:nth-child(1) {
      --rot: -2.5deg;
      --tape-rot: 3deg;
    }

    .perk-card:nth-child(2) {
      --rot: 2.8deg;
      --tape-rot: -2deg;
    }

    .perk-card:nth-child(3) {
      --rot: -1.8deg;
      --tape-rot: 4deg;
    }

    .perk-card:nth-child(4) {
      --rot: 2.2deg;
      --tape-rot: -3deg;
    }

    .perk-card:nth-child(5) {
      --rot: -3.2deg;
      --tape-rot: 2deg;
    }

    .perk-card:nth-child(6) {
      --rot: 2.5deg;
      --tape-rot: -4deg;
    }

    .perk-card:hover {
      transform: rotate(0deg) scale(1.05) translateY(-8px) !important;
      box-shadow: 12px 12px 0 #6336B8;
      background: #fff;
      z-index: 5;
    }

    .perk-tape {
      position: absolute;
      top: -10px;
      left: 50%;
      transform: translateX(-50%) rotate(var(--tape-rot, 2deg));
      width: 70px;
      height: 18px;
      background: rgba(245, 185, 30, 0.55);
      border: 1px dashed rgba(0, 0, 0, 0.25);
    }

    .perk-icon-wrap {
      width: 72px;
      height: 72px;
      border-radius: 50%;
      background: #F3EFE6;
      border: 3px solid #111;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 4px 4px 0 #6336B8;
      margin-bottom: 1rem;
      transition: transform 0.25s ease, background 0.25s ease;
    }

    .perk-doodle-img {
      width: 52px;
      height: 52px;
      object-fit: contain;
      filter: drop-shadow(2px 2px 0 #111);
      transition: transform 0.25s ease;
    }

    .perk-card:hover .perk-icon-wrap {
      transform: scale(1.15) rotate(-5deg);
      background: #F5B91E;
      box-shadow: 4px 4px 0 #111;
    }

    .perk-card:hover .perk-doodle-img {
      transform: scale(1.15) rotate(8deg);
    }

    .perk-title {
      font-family: 'Anton', sans-serif;
      font-size: 1.25rem;
      color: #111;
      letter-spacing: 0.04em;
      margin-bottom: 0.4rem;
      border-bottom: 2.5px solid #111;
      display: inline-block;
      padding-bottom: 0.1rem;
    }

    .perk-desc {
      font-family: 'Chivo', sans-serif;
      font-size: 0.9rem;
      color: #333;
      line-height: 1.4;
      font-weight: 500;
    }



    /* ============================================================ */
    /*  STAMP APPROVED EFFECT                                       */
    /* ============================================================ */
    .stamp-container {
      margin: 2.5rem 0;
      text-align: center;
    }

    .stamp-seal-btn {
      display: inline-block;
      background: #e63946;
      color: #fff;
      font-family: 'Anton', sans-serif;
      font-size: 1.5rem;
      padding: 0.8rem 2.5rem;
      border: 4px double #fff;
      outline: 4px solid #e63946;
      box-shadow: 6px 6px 0 #111;
      transform: rotate(-3deg);
      cursor: pointer;
      letter-spacing: 0.08em;
      transition: transform 0.15s ease;
      user-select: none;
    }

    .stamp-seal-btn:active {
      transform: scale(0.95) rotate(-3deg);
    }

    .stamped-badge {
      position: fixed;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%) scale(0) rotate(-15deg);
      background: rgba(230, 57, 70, 0.95);
      color: #fff;
      border: 8px double #fff;
      padding: 1.5rem 3rem;
      font-family: 'Anton', sans-serif;
      font-size: 2.8rem;
      text-shadow: 3px 3px 0 #111;
      z-index: 10000;
      pointer-events: none;
      opacity: 0;
      transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    }

    .stamped-badge.active {
      transform: translate(-50%, -50%) scale(1) rotate(-12deg);
      opacity: 1;
    }

    /* ============================================================ */
    /*  TIMER + REGISTER ROW                                        */
    /* ============================================================ */
    .timer-register-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 1.5rem 2rem;
      background: #F3EFE6;
      border: 3px solid #111;
      padding: 1.2rem 1.5rem;
      box-shadow: 6px 6px 0 #6336B8;
      margin: 0.5rem 0;
      position: relative;
      transform: rotate(0.5deg);
    }

    .timer-panel {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.65rem;
    }

    .timer-urgency {
      font-family: 'Anton', sans-serif;
      color: #111;
      background: #F5B91E;
      border: 2px solid #111;
      box-shadow: 3px 3px 0 #6336B8;
      padding: 0.25rem 0.8rem;
      font-size: clamp(0.9rem, 2vw, 1.15rem);
      letter-spacing: 0.08em;
      transform: rotate(-1deg);
    }

    .timer-urgency span {
      color: #6336B8;
    }

    .timer-register-row::before {
      content: '';
      position: absolute;
      top: -6px;
      left: 20px;
      width: 50px;
      height: 18px;
      background: rgba(245, 185, 30, 0.5);
      border: 1px solid rgba(0, 0, 0, 0.15);
      transform: rotate(-15deg);
    }

    .timer-register-row .btn-clean-purple {
      background: #6336B8;
      color: #F5B91E;
      border-color: #F5B91E;
      box-shadow: 6px 6px 0 #111, 0 0 0 2px #F5B91E, 0 0 18px rgba(245, 185, 30, 0.72);
    }

    .timer-register-row .btn-clean-purple::after {
      border-color: #F5B91E;
    }

    .timer-register-row .btn-clean-purple:hover {
      background: #F5B91E;
      color: #6336B8;
      box-shadow: 3px 3px 0 #111, 0 0 24px rgba(245, 185, 30, 0.9);
    }

    .timer-register-row .timer {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 0.8rem 1.2rem;
    }

    .timer-register-row .timer .time-block {
      background: #111;
      color: #111;
      padding: 0.5rem 1.2rem;
      border: 2px solid #111;
      box-shadow: 4px 4px 0 #6336B8;
      text-align: center;
      min-width: 70px;
      transform: rotate(var(--rot, 0deg));
    }

    .timer-register-row .timer .time-block:nth-child(1) {
      --rot: -1deg;
    }

    .timer-register-row .timer .time-block:nth-child(3) {
      --rot: 1.5deg;
    }

    .timer-register-row .timer .time-block:nth-child(5) {
      --rot: -0.8deg;
    }

    .timer-register-row .timer .time-block:nth-child(7) {
      --rot: 1.2deg;
    }

    .timer-register-row .timer .time-block .num {
      font-family: 'Anton', sans-serif;
      font-size: 2.4rem;
      line-height: 1;
      color: #F5B91E;
    }

    .timer-register-row .timer .time-block .label {
      font-family: 'Patrick Hand', cursive;
      font-size: 0.7rem;
      letter-spacing: 0.08em;
      color: #F3EFE6;
    }

    .timer-register-row .timer .colon {
      font-family: 'Anton', sans-serif;
      font-size: 2.4rem;
      color: #6336B8;
    }

    /* ============================================================ */
    /*  CREATIVE INFO BLOCK — scrapbook cards                        */
    /* ============================================================ */
    .creative-info-block {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2rem;
      margin: 2.5rem 0;
      position: relative;
    }

    .creative-info-card {
      background: #F3EFE6;
      border: 3px solid #111;
      padding: 1.8rem 1rem 1.5rem;
      text-align: center;
      position: relative;
      transition: transform 0.2s ease, box-shadow 0.2s;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 200px;
    }

    .creative-info-card:nth-child(1) {
      transform: rotate(-3deg);
      border-color: #6336B8;
      box-shadow: 8px 8px 0 #6336B8, 10px 12px 20px rgba(0, 0, 0, 0.15);
    }

    .creative-info-card:nth-child(2) {
      transform: rotate(3.5deg);
      border-color: #F5B91E;
      box-shadow: 8px 8px 0 #F5B91E, 10px 12px 20px rgba(0, 0, 0, 0.15);
    }

    .creative-info-card:nth-child(3) {
      transform: rotate(-2deg);
      border-color: #111;
      box-shadow: 8px 8px 0 #111, 10px 12px 20px rgba(0, 0, 0, 0.15);
    }

    .creative-info-card:nth-child(4) {
      transform: rotate(2.8deg);
      border-color: #6336B8;
      box-shadow: 8px 8px 0 #6336B8, 10px 12px 20px rgba(0, 0, 0, 0.15);
    }

    .creative-info-card:hover {
      transform: rotate(0deg) scale(1.04) translateY(-8px);
      box-shadow: 12px 14px 30px rgba(0, 0, 0, 0.2);
      z-index: 2;
    }

    /* Washi tape on cards */
    .creative-info-card .tape {
      position: absolute;
      top: -10px;
      left: 20%;
      width: 40px;
      height: 14px;
      background: rgba(245, 185, 30, 0.5);
      border: 1px solid rgba(0, 0, 0, 0.1);
      transform: rotate(-8deg);
      box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.1);
    }

    .creative-info-card:nth-child(2) .tape {
      left: 50%;
      transform: rotate(5deg);
      background: rgba(99, 54, 184, 0.4);
    }

    .creative-info-card:nth-child(3) .tape {
      left: 30%;
      transform: rotate(-4deg);
      background: rgba(245, 185, 30, 0.5);
    }

    .creative-info-card:nth-child(4) .tape {
      left: 60%;
      transform: rotate(6deg);
      background: rgba(99, 54, 184, 0.4);
    }

    .creative-info-card .big-icon {
      font-size: 3.2rem;
      line-height: 1;
      margin-bottom: 0.2rem;
    }

    .creative-info-card .big-number {
      font-family: 'Anton', sans-serif;
      font-size: 3.6rem;
      line-height: 1;
      color: #111;
      letter-spacing: 0.02em;
      filter: url(#roughen);
    }

    .creative-info-card .big-number.purple {
      color: #6336B8;
    }

    .creative-info-card .big-number.yellow {
      color: #F5B91E;
      text-shadow: 2px 2px 0 #111;
    }

    .creative-info-card .title {
      font-family: 'Anton', sans-serif;
      font-size: 1rem;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      margin-top: 0.2rem;
      border-bottom: 3px solid #111;
      display: inline-block;
      padding-bottom: 0.1rem;
    }

    .creative-info-card .desc {
      font-family: 'Chivo', sans-serif;
      font-weight: 600;
      font-size: 0.95rem;
      margin-top: 0.2rem;
      color: #292929;
    }

    .creative-info-card .sub {
      font-family: 'Patrick Hand', cursive;
      font-size: 0.85rem;
      color: #6336B8;
      margin-top: 0.1rem;
    }

    .creative-info-card .doodle-scribble {
      position: absolute;
      bottom: 6px;
      right: 8px;
      font-size: 1.6rem;
      opacity: 0.25;
      transform: rotate(12deg);
      color: #111;
      pointer-events: none;
    }

    .creative-info-card:nth-child(2) .doodle-scribble {
      bottom: auto;
      top: 8px;
      left: 8px;
      transform: rotate(-12deg);
      color: #6336B8;
      opacity: 0.3;
    }

    .creative-info-card:nth-child(3) .doodle-scribble {
      right: auto;
      left: 8px;
      bottom: 8px;
      transform: rotate(-5deg);
      color: #F5B91E;
      opacity: 0.35;
    }

    .creative-info-card:nth-child(4) .doodle-scribble {
      top: 8px;
      right: 8px;
      bottom: auto;
      transform: rotate(8deg);
      color: #111;
      opacity: 0.25;
    }

    /* ============================================================ */
    /*  PRIZE POOL — distressed collage                              */
    /* ============================================================ */
    .prize-pool-block {
      background: #171122;
      color: #111;
      padding: 2.8rem 2rem;
      text-align: center;
      border: none;
      position: relative;
      margin: 2.5rem 0;
      transform: rotate(-0.5deg);
      box-shadow: 8px 8px 0 #6336B8;
    }

    /* Torn top edge on prize pool */
    .prize-pool-block::before {
      content: '';
      position: absolute;
      top: -8px;
      left: 0;
      right: 0;
      height: 16px;
      background: #171122;
      clip-path: polygon(0% 100%, 2% 60%, 5% 100%, 8% 50%, 12% 90%, 15% 40%,
          18% 85%, 22% 55%, 25% 100%, 28% 45%, 32% 80%, 35% 50%,
          38% 100%, 42% 55%, 45% 90%, 48% 40%, 52% 85%, 55% 50%,
          58% 100%, 62% 55%, 65% 85%, 68% 40%, 72% 90%, 75% 55%,
          78% 100%, 82% 45%, 85% 80%, 88% 55%, 92% 90%, 95% 45%,
          98% 85%, 100% 60%, 100% 100%);
    }

    /* Torn bottom edge */
    .prize-pool-block::after {
      content: '';
      position: absolute;
      bottom: -8px;
      left: 0;
      right: 0;
      height: 16px;
      background: #171122;
      clip-path: polygon(0% 0%, 100% 0%, 100% 40%, 98% 85%, 95% 45%, 92% 90%,
          88% 50%, 85% 80%, 82% 45%, 78% 100%, 75% 55%, 72% 85%,
          68% 40%, 65% 90%, 62% 50%, 58% 100%, 55% 45%, 52% 85%,
          48% 50%, 45% 90%, 42% 40%, 38% 100%, 35% 55%, 32% 80%,
          28% 45%, 25% 90%, 22% 55%, 18% 85%, 15% 40%, 12% 90%,
          8% 50%, 5% 100%, 2% 60%, 0% 85%);
    }

    .prize-pool-block .label {
      font-family: 'Anton', sans-serif;
      font-size: clamp(1.75rem, 4vw, 2.35rem);
      font-weight: 700;
      letter-spacing: 0.08em;
      background: #F3EFE6;
      color: #111;
      display: inline-block;
      padding: 0.25rem 1.8rem;
      border: 3px solid #111;
      box-shadow: 4px 4px 0 #F5B91E;
      transform: rotate(-3deg);
      position: relative;
    }

    .prize-pool-block .amount {
      font-family: 'Anton', sans-serif;
      font-size: clamp(4rem, 12vw, 7rem);
      color: #F5B91E;
      text-shadow: 5px 5px 0 #6336B8, 0 0 12px rgba(245, 185, 30, 0.72), 0 0 28px rgba(245, 185, 30, 0.38);
      line-height: 1.1;
      filter: url(#distress);
      animation: prizeGlow 2.2s ease-in-out infinite alternate;
    }

    @keyframes prizeGlow {
      from {
        text-shadow: 5px 5px 0 #6336B8, 0 0 10px rgba(245, 185, 30, 0.55), 0 0 22px rgba(245, 185, 30, 0.25);
      }

      to {
        text-shadow: 5px 5px 0 #6336B8, 0 0 18px rgba(245, 185, 30, 0.9), 0 0 38px rgba(245, 185, 30, 0.56);
      }
    }

    .prize-pool-block .doodle-line {
      background: #6336B8;
      width: 120px;
      height: 6px;
      margin: 0.5rem auto;
      transform: rotate(-2deg);
      clip-path: polygon(0% 30%, 5% 0%, 10% 70%, 15% 20%, 20% 80%, 25% 10%,
          30% 70%, 35% 30%, 40% 80%, 45% 0%, 50% 60%, 55% 20%,
          60% 80%, 65% 10%, 70% 70%, 75% 30%, 80% 80%, 85% 0%,
          90% 60%, 95% 20%, 100% 50%,
          100% 100%, 95% 70%, 90% 100%, 85% 60%, 80% 100%, 75% 70%,
          70% 100%, 65% 60%, 60% 100%, 55% 70%, 50% 100%, 45% 60%,
          40% 100%, 35% 70%, 30% 100%, 25% 60%, 20% 100%, 15% 70%,
          10% 100%, 5% 60%, 0% 100%);
    }

    /* ============================================================ */
    /*  REGISTER SECTION — collage cutout                            */
    /* ============================================================ */
    .register-section {
      background: #F3EFE6;
      border: 4px solid #111;
      padding: 2.8rem 2rem;
      text-align: center;
      position: relative;
      margin: 2.5rem 0;
      transform: rotate(0.8deg);
      box-shadow: 10px 10px 0 #111, 12px 14px 30px rgba(0, 0, 0, 0.15);
    }

    /* Torn top edge */
    .register-section::before {
      content: '';
      position: absolute;
      top: -8px;
      left: 0;
      right: 0;
      height: 14px;
      background: #F3EFE6;
      border: 4px solid #111;
      border-bottom: none;
      clip-path: polygon(0% 100%, 2% 50%, 5% 100%, 8% 40%, 12% 90%, 15% 30%,
          18% 80%, 22% 45%, 25% 100%, 28% 35%, 32% 75%, 35% 45%,
          38% 100%, 42% 50%, 45% 85%, 48% 35%, 52% 80%, 55% 45%,
          58% 100%, 62% 50%, 65% 80%, 68% 35%, 72% 85%, 75% 50%,
          78% 100%, 82% 40%, 85% 75%, 88% 50%, 92% 85%, 95% 40%,
          98% 80%, 100% 55%, 100% 100%);
    }

    .register-section .big-cta {
      font-family: 'Patrick Hand', cursive;
      font-size: clamp(2.8rem, 10vw, 5rem);
      line-height: 1.1;
      filter: url(#roughen);
      color: #6336B8;
      text-shadow:
        3px 3px 0 #111,
        -1px -1px 0 #F5B91E,
        0 0 20px rgba(99, 54, 184, 0.3);
      transform: rotate(-2deg);
      display: inline-block;
      background: linear-gradient(135deg, #6336B8 0%, #F5B91E 50%, #6336B8 100%);
      background-size: 200% auto;
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      animation: ctaShimmer 3s ease-in-out infinite;
    }

    @keyframes ctaShimmer {
      0%, 100% { background-position: 0% center; }
      50% { background-position: 200% center; }
    }

    .register-section .sub-text {
      font-size: 1.4rem;
      font-weight: 600;
      letter-spacing: 0.04em;
      margin: 0.5rem 0 1rem;
    }

    .register-section .fee {
      font-size: 1.3rem;
      background: #6336B8;
      color: #111;
      display: inline-block;
      padding: 0.2rem 2.5rem;
      transform: rotate(-2deg);
      box-shadow: 4px 4px 0 #111;
      margin-bottom: 1.5rem;
      position: relative;
    }

    /* Hand-drawn circle around QR */
    .qr-wrap {
      position: relative;
      display: inline-block;
    }

    /* ============================================================ */
    /*  FOOTER — torn paper                                          */
    /* ============================================================ */
    .contact-footer {
      background: #111;
      color: #F3EFE6;
      padding: 2.8rem 2rem;
      margin-top: 2.5rem;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 2rem;
      position: relative;
      transform: rotate(-0.3deg);
      box-shadow: 0 0 0 3px #F3EFE6, 8px 8px 0 #6336B8;
    }

    /* Torn top edge on footer */
    .contact-footer::before {
      content: '';
      position: absolute;
      top: -10px;
      left: 0;
      right: 0;
      height: 18px;
      background: #6336B8;
      clip-path: polygon(0% 100%, 2% 40%, 5% 100%, 8% 30%, 12% 80%, 15% 25%,
          18% 75%, 22% 40%, 25% 100%, 28% 30%, 32% 70%, 35% 40%,
          38% 100%, 42% 45%, 45% 80%, 48% 30%, 52% 75%, 55% 40%,
          58% 100%, 62% 45%, 65% 75%, 68% 30%, 72% 80%, 75% 45%,
          78% 100%, 82% 35%, 85% 70%, 88% 45%, 92% 80%, 95% 35%,
          98% 75%, 100% 50%, 100% 100%);
    }

    .contact-footer .queries {
      font-family: 'Anton', sans-serif;
      font-size: 2rem;
      letter-spacing: 0.04em;
      color: #F5B91E;
      text-shadow: 2px 2px 0 #6336B8;
      filter: url(#roughen);
    }

    .contact-footer .contact-person {
      margin-top: 0.5rem;
      color: #F3EFE6;
      font-size: 1rem;
      line-height: 1.55;
    }

    .contact-footer .contact-person strong {
      font-family: 'Chivo', sans-serif;
      color: #F5B91E;
      letter-spacing: 0.03em;
    }

    .contact-footer .footer-brand {
      text-align: right;
    }

    .contact-footer .footer-brand .name {
      font-family: 'Anton', sans-serif;
      font-size: 1.8rem;
      color: #F5B91E;
      filter: url(#roughen);
    }

    .contact-footer .footer-brand .event {
      font-family: 'Patrick Hand', cursive;
      font-size: 1.6rem;
      color: #6336B8;
    }

    .contact-footer .footer-brand .tag {
      border-top: 3px solid #6336B8;
      padding-top: 0.8rem;
      font-size: 0.8rem;
      letter-spacing: 0.1em;
    }

    /* ============================================================ */
    /*  HAND-DRAWN DOODLE SVGs                                       */
    /* ============================================================ */
    .doodle {
      position: absolute;
      pointer-events: none;
      z-index: 10;
    }

    .doodle svg {
      overflow: visible;
    }

    /* Arrow doodle top right */
    .doodle-arrow-tr {
      top: 60px;
      right: -30px;
      transform: rotate(15deg);
    }

    /* Circle doodle */
    .doodle-circle {
      top: -20px;
      left: 50px;
      transform: rotate(-5deg);
    }

    /* Cross/X doodle */
    .doodle-cross {
      bottom: 40px;
      left: -20px;
      transform: rotate(8deg);
    }

    /* Wavy underline */
    .doodle-underline {
      bottom: -10px;
      left: 10%;
      right: 10%;
    }

    /* Star doodle */
    .doodle-star {
      top: 20px;
      right: 40px;
      transform: rotate(20deg);
    }

    /* Zigzag */
    .doodle-zigzag {
      bottom: -15px;
      right: 20%;
      transform: rotate(-3deg);
    }

    /* Laptop doodles */
    .doodle-laptop-star-tl {
      top: -20px;
      left: -30px;
      transform: rotate(15deg);
    }

    .doodle-laptop-zigzag-tr {
      top: 10px;
      right: -40px;
      transform: rotate(-8deg);
    }

    .doodle-laptop-cross-bl {
      bottom: 15px;
      left: -25px;
      transform: rotate(12deg);
    }

    .doodle-laptop-circle-br {
      bottom: -10px;
      right: -35px;
      transform: rotate(-5deg);
    }

    .doodle-laptop-arrow-r {
      top: 50%;
      right: -55px;
      transform: translateY(-50%) rotate(5deg);
    }

    /* ============================================================ */
    /*  REGISTER SECTION ICONS                                       */
    /* ============================================================ */
    .reg-icon {
      position: absolute;
      pointer-events: none;
      filter: drop-shadow(3px 3px 0 rgba(0, 0, 0, 0.2));
    }

    .reg-rocket {
      top: 10%;
      right: 5%;
      width: 80px;
      transform: rotate(18deg);
    }

    .reg-bulb {
      bottom: 35%;
      left: 3%;
      width: 70px;
      transform: rotate(-8deg);
    }

    .reg-vr {
      bottom: 5%;
      left: 5%;
      width: 65px;
      transform: rotate(12deg);
    }

    .reg-drone {
      top: 3%;
      left: 3%;
      width: 55px;
      transform: rotate(-10deg);
    }

    .reg-book {
      bottom: 5%;
      right: 5%;
      width: 65px;
      transform: rotate(-15deg);
    }

    .register-btn {
      min-width: 280px;
      text-align: center;
    }

    .scan-qr-btn {
      font-family: 'Anton', sans-serif;
      background: #111;
      color: #F5B91E;
      padding: 0.7rem 2.6rem;
      transform: rotate(-2deg);
      box-shadow: 6px 6px 0 #6336B8, 0 0 0 2px #F3EFE6;
      font-size: 1.35rem;
      min-width: 260px;
      text-align: center;
      border: 3px solid #F5B91E;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    /* ============================================================ */
    /*  RESPONSIVE                                                   */
    /* ============================================================ */
    @media (max-width: 992px) {
      .creative-info-block {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.8rem;
      }
    }

    @media (max-width: 768px) {
      body {
        padding: 1rem;
      }

      .hero-screen {
        min-height: auto;
        padding-bottom: 0.5rem;
      }

      .hero-header {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        padding: 0.6rem 1rem;
      }

      .hero-header .brand {
        justify-content: center;
        flex-basis: 100%;
        gap: 0.65rem;
      }

      .site-nav {
        justify-content: center;
      }

      .hero-header .brand .presents {
        border-left: none;
        padding-left: 0;
        border-top: 2px solid #F5B91E;
        padding-top: 0.5rem;
        margin-top: 0.4rem;
      }

      .timer-register-row {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem 1rem;
      }

      .timer-register-row .timer {
        justify-content: center;
      }

      .laptop-img {
        width: clamp(250px, 80vw, 500px);
      }

      .creative-info-block {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
      }

      .creative-info-card {
        min-height: 170px;
        padding: 1.5rem 0.8rem 1.2rem;
      }

      .prize-pool-block {
        padding: 2rem 1rem;
      }

      .register-section {
        padding: 2rem 1.2rem;
      }

      .contact-footer {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1.2rem;
      }

      .contact-footer .footer-brand {
        text-align: center;
      }

      .doodle {
        display: none;
      }

      .perks-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.4rem;
      }
    }

    @media (max-width: 480px) {
      .laptop-img {
        width: 85vw;
      }

      .sticker-main-hacksprint {
        font-size: 0.75rem;
        padding: 0.2rem 0.8rem;
        top: -16px;
      }

      .sticker-tagline-tape {
        font-size: 0.65rem;
        padding: 0.2rem 0.7rem;
      }

      .laptop-tech-accent {
        display: none;
      }

      .perks-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
      }

      .perks-section {
        padding: 2rem 1rem;
        margin: 2.5rem 0;
      }

      .perks-header-ribbon {
        font-size: 1.45rem;
        padding: 0.5rem 1.6rem;
      }

      body {
        padding: 0.6rem;
      }

      .container {
        width: 100%;
      }

      .hero-header {
        margin-bottom: 0.5rem;
        padding: 0.5rem 0.8rem;
      }

      .hero-header .brand .brand-logo {
        width: 48px;
        height: 48px;
      }

      .hero-header .brand .brand-logo-brand {
        height: 48px;
        max-width: 160px;
      }

      .hacksprint-logo {
        margin: 1rem 0 1.5rem;
      }

      .timer-register-row {
        padding: 0.8rem 0.6rem;
        margin: 0.5rem 0;
        gap: 0.8rem;
      }

      .timer-register-row .timer {
        gap: 0.4rem 0.8rem;
      }

      .timer-register-row .timer .time-block {
        min-width: 52px;
        padding: 0.3rem 0.5rem;
      }

      .timer-register-row .timer .time-block .num {
        font-size: 1.5rem;
      }

      .timer-register-row .timer .time-block .label {
        font-size: 0.6rem;
      }

      .timer-register-row .timer .colon {
        font-size: 1.5rem;
      }

      .creative-info-block {
        grid-template-columns: 1fr 1fr;
        gap: 0.8rem;
        margin: 1.5rem 0;
      }

      .creative-info-card {
        min-height: auto;
        padding: 0.9rem 0.6rem 0.7rem;
        transform: rotate(0deg) !important;
      }

      .creative-info-card:hover {
        transform: scale(1.01) translateY(-2px) !important;
      }

      .creative-info-card .big-number {
        font-size: 1.8rem;
      }

      .creative-info-card .big-icon {
        font-size: 1.6rem;
      }

      .creative-info-card .title {
        font-size: 0.7rem;
      }

      .creative-info-card .desc {
        font-size: 0.7rem;
      }

      .creative-info-card .sub {
        font-size: 0.6rem;
      }

      .prize-pool-block {
        padding: 1.8rem 1rem;
        margin: 1.5rem 0;
      }

      .prize-pool-block .label {
        font-size: 1.2rem;
        padding: 0.1rem 1.2rem;
      }

      .register-section {
        padding: 1.5rem 1rem;
        margin: 1.5rem 0;
      }

      .register-section .sub-text {
        font-size: 1.1rem;
        margin: 0.3rem 0 0.8rem;
      }

      .register-section .fee {
        font-size: 1rem;
        padding: 0.2rem 1.5rem;
      }

      .reg-icon {
        width: 50px !important;
      }

      .reg-rocket {
        top: 5%;
        right: 3%;
      }

      .reg-bulb {
        bottom: 30%;
        left: 2%;
        width: 45px !important;
      }

      .btn-clean {
        font-size: 1.1rem;
        padding: 0.6rem 2rem;
        min-height: 48px;
        box-shadow: 4px 4px 0 #6336B8;
      }

      .contact-footer {
        padding: 1.5rem 1rem;
        margin-top: 1.5rem;
      }

      .contact-footer .queries {
        font-size: 1.6rem;
      }

      .contact-footer .footer-brand .name {
        font-size: 1.3rem;
      }

      .contact-footer .footer-brand .event {
        font-size: 1.3rem;
      }
    }

    @media (max-width: 360px) {
      body {
        padding: 0.4rem;
      }

      .hero-header {
        padding: 0.8rem;
      }

      .hero-header .brand .brand-logo {
        width: 48px;
        height: 48px;
      }

      .hero-header .brand .brand-logo-brand {
        height: 48px;
        max-width: 160px;
      }

      .timer-register-row .timer .time-block {
        min-width: 46px;
      }

      .timer-register-row .timer .time-block .num {
        font-size: 1.3rem;
      }

      .timer-register-row .timer .colon {
        font-size: 1.3rem;
      }

      .btn-clean {
        font-size: 1rem;
        padding: 0.5rem 1.5rem;
      }
    }

    /* Mobile performance mode: retain the collage design while avoiding
       per-character SVG filters, constant blurs, and expensive idle motion. */
    @media (max-width: 768px) {
      .paper-ink,
      .big-cta, .big-number, .title, .queries, .footer-brand .name,
      .brand .logo, .hacksprint-logo .hack, .hacksprint-logo .sprint,
      .amount, .label, .sub-tagline,
      .site-nav a, .btn-clean, .laptop-sticker-badge,
      .timer-register-row .label, .creative-info-card .desc,
      .creative-info-card .sub, .perks-header-ribbon, .perks-sub-tag,
      .perk-title, .perk-desc, .prize-pool-block .label,
      .register-section .sub-text, .scan-qr-btn, .contact-person,
      .footer-brand .event, .footer-brand .tag {
        filter: none !important;
      }

      .laptop-hero-stage,
      .laptop-tech-accent,
      .prize-pool-block .amount {
        animation: none !important;
      }

      .laptop-glow-bg {
        filter: blur(18px);
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
      }
    }