@charset "UTF-8";
:root {
  --logo-url: url("https://symlink-generator.io/media/templates/site/symlink/images/Symlink-Generator-Logo.svg");
  --w: min(82vw, 840px);
  --ratio: 815.4 / 180;
  /* Shine-Tuning */
  --skew: 18deg; /* Schrägstellung des Verlaufs */
  --dur: 3s; /* Tempo */
  --blur: .35px; /* ganz leichte Weichheit gegen Banding */
  /* Logo-Farben */
  --c1: 65 191 147;
  --c2: 57 155 166;
  --c3: 125 92 242;
  --primary: #594C4C;
  --secondary: #399BA6;
  --accent: #41BF93;
  --background: #1A1B26;
  --surface: #69524C;
  --card: rgba(26, 27, 38, 0.8);
  --text: #f1f1f1;
  --muted: #aaa;
  --radius: 16px;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../webfonts/inter-v19-latin-regular.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../webfonts/inter-v19-latin-600.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("../webfonts/inter-v19-latin-800.woff2") format("woff2");
}
@font-face {
  font-display: swap;
  font-family: "Source Code Pro";
  font-style: normal;
  font-weight: 400;
  src: url("../webfonts/source-code-pro-v30-latin-regular.woff2") format("woff2");
}
body {
  margin: 0;
  padding: 0;
  font-family: "Inter", sans-serif;
  background: var(--background);
  color: var(--text);
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
}

.background-svg,
.grain-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  pointer-events: none;
}

.background-svg svg {
  width: 150%;
  height: 150%;
  opacity: 0.35;
  transform-origin: center;
  animation: float 20s ease-in-out infinite, gradientShift 15s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  33% {
    transform: translateY(-20px) rotate(1deg);
  }
  66% {
    transform: translateY(10px) rotate(-1deg);
  }
}
@keyframes gradientShift {
  0%, 100% {
    filter: hue-rotate(0deg) brightness(1);
  }
  25% {
    filter: hue-rotate(30deg) brightness(1.1);
  }
  50% {
    filter: hue-rotate(60deg) brightness(0.9);
  }
  75% {
    filter: hue-rotate(90deg) brightness(1.05);
  }
}
.grain-overlay {
  background-image: url("../images/grainTexture.png");
  opacity: 0.04;
  mix-blend-mode: screen;
  z-index: -1;
}

.logo {
  --logo: url("https://symlink-generator.io/media/templates/site/symlink/images/Symlink-Generator-Logo.svg");
  /* Shine tuning and colors */
  --skew: 18deg;
  --dur: 3.2s;
  --blur: .35px;
  --c1: 65 191 147; /* #41BF93 */
  --c2: 57 155 166; /* #399BA6 */
  --c3: 125 92 242; /* #594C4C */
  width: clamp(260px, 80vw, 560px);
  aspect-ratio: 815.4/180;
  color: #fff;
  background: currentColor;
  display: block;
  -webkit-mask-image: var(--logo);
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
  -webkit-mask-mode: alpha;
  mask-image: var(--logo);
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
  mask-mode: alpha;
  position: relative;
  overflow: hidden;
  margin: 0 auto;
}

.logo:focus-visible::after,
.logo::after {
  content: "";
  position: absolute;
  inset: -12%;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(var(--c1)/0) 0%, rgba(var(--c1)/0.85) 28%, rgba(var(--c2)/0.95) 44%, rgb(255, 255, 255) 50%, rgba(var(--c3)/0.95) 56%, rgba(var(--c3)/0.85) 72%, rgba(var(--c3)/0) 100%);
  background-size: 220% 100%;
  background-position: -60% 0;
  transform: skewX(var(--skew));
  transform-origin: center;
  filter: blur(var(--blur));
  animation: shine var(--dur) linear infinite;
  will-change: background-position;
}

@keyframes shine {
  to {
    background-position: 160% 0;
  }
}
/* Fallback ohne Mask-Support */
@supports not ((-webkit-mask: url("")) or (mask: url(""))) {
  .logo {
    background: none;
  }
  .logo img {
    display: block;
    width: 100%;
    height: auto;
  }
}
.language-switcher {
  position: relative;
  font-family: "Inter", sans-serif;
  width: 200px;
}
.language-switcher .language-header,
.language-switcher .language-footer {
  color: var(--muted);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}
.language-switcher .language-header p,
.language-switcher .language-footer p {
  margin: 0;
}
.language-switcher .language-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
  gap: 10px;
}
.language-switcher .grid-item {
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  transition: background-color 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.language-switcher .grid-item:hover:not(.selected) {
  background: rgba(255, 255, 255, 0.05);
}
.language-switcher .grid-item.selected {
  background: rgba(125, 92, 242, 0.2);
  pointer-events: none;
}
.language-switcher .grid-item .flag-container {
  display: flex;
  align-items: center;
  justify-content: center;
}
.language-switcher .dropdown {
  position: relative;
  width: 100%;
}
.language-switcher .dropdown:after {
  content: "";
  position: absolute;
  margin: 0;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid var(--muted);
  top: 15px;
  left: 55px;
  transform: translateY(-50%);
  transition: all 0.3s ease;
  pointer-events: none;
}
.language-switcher .dropdown.open:after {
  transform: translateY(-50%) rotate(180deg);
  border-top-color: var(--primary);
}
.language-switcher .dropdown > .caption {
  border: none;
  border-radius: 0;
  cursor: pointer;
  padding: 5px;
  font-size: 14px;
  line-height: 100%;
  letter-spacing: 0.3px;
  color: var(--text);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  position: relative;
  width: 40px;
}
.language-switcher .dropdown > .caption:hover {
  background: var(--surface);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}
.language-switcher .dropdown > .caption img {
  position: absolute;
  margin-top: 2.5px;
  left: 15px;
  border-radius: 3px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
.language-switcher .dropdown > .caption span {
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.3px;
  color: var(--primary);
  position: absolute;
  right: 36px;
  top: 50%;
  transform: translateY(-50%);
}
.language-switcher .dropdown > .list {
  position: absolute;
  background: rgba(105, 82, 76, 0.98);
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  box-shadow: 0px 12px 24px rgba(21, 18, 51, 0.3);
  opacity: 0;
  overflow: hidden;
  transition: all 0.15s cubic-bezier(0.25, 0, 0.25, 1.75), opacity 0.1s linear;
  transform: scale(0.85);
  transform-origin: 50% 0;
  top: 52px;
  z-index: -1;
  visibility: hidden;
  padding: 10px 0;
}
.language-switcher .dropdown > .list > .item {
  padding: 10.5px 15px 10.5px 62px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 14px;
  line-height: 150%;
  letter-spacing: 0.3px;
  color: var(--text);
  position: relative;
}
.language-switcher .dropdown > .list > .item.selected {
  background: rgba(125, 92, 242, 0.2);
  pointer-events: none;
  color: var(--primary);
}
.language-switcher .dropdown > .list > .item.selected::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary);
  border-radius: 0 2px 2px 0;
}
.language-switcher .dropdown > .list > .item:hover:not(.selected) {
  background: rgba(255, 255, 255, 0.05);
}
.language-switcher .dropdown > .list > .item img {
  position: absolute;
  margin-top: 2.5px;
  left: 15px;
  border-radius: 3px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
.language-switcher .dropdown > .list > .item span {
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.3px;
  color: var(--primary);
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
}
.language-switcher .dropdown.open > .list {
  transform: scale(1);
  opacity: 1;
  z-index: 1001;
  visibility: visible;
}

.label-with-tooltip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.tooltip-container {
  position: relative;
  display: inline-block;
}
.tooltip-container .tooltip-icon {
  color: #FFF;
  cursor: help;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}
.tooltip-container .tooltip-icon:hover {
  color: var(--primary);
}
.tooltip-container .tooltip-text {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background-color: #1B1D26;
  color: white;
  text-align: center;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  line-height: 1.3;
  white-space: nowrap;
  z-index: 1000;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.tooltip-container .tooltip-text::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: rgba(0, 0, 0, 0.9);
}
.tooltip-container:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}
@media (max-width: 768px) {
  .tooltip-container {
    white-space: normal;
    max-width: 200px;
    left: 0;
    transform: none;
  }
  .tooltip-container::after {
    left: 20px;
    transform: none;
  }
}

.app-container {
  max-width: 900px;
  margin: 3rem auto 3rem auto;
  padding: 3rem;
  z-index: 1;
  position: relative;
  background: rgba(255, 255, 255, 0.095);
  border-radius: 16px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}
.app-container:first-child {
  margin-bottom: 0px;
}
.app-container .grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.app-container .grid:first-child {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.app-container .grid .box {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.app-container .grid .box h2.panel-title {
  -webkit-background-clip: text;
  background-clip: text;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
  font-size: clamp(20px, 2.5vw, 24px);
  position: relative;
  padding-bottom: 6px;
  text-shadow: 3px 4px 2px rgba(0, 0, 0, 0.28);
}
.app-container .grid .box h2.panel-title .panel-title::after,
.app-container .grid .box h2.panel-title .panel-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 80px;
  height: 2px;
  border-radius: 1px;
  background: var(--grad);
  opacity: 0.85;
}
.app-container .grid .box:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}
.app-container .grid .box.blue {
  background: #5483BF;
  background: linear-gradient(304deg, rgb(84, 131, 191) 0%, rgb(44, 82, 133) 56%);
}
.app-container .grid .box.blue input[type=text] {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #525D6A;
}
.app-container .grid .box.blue input[type=text]::placeholder {
  color: rgba(255, 255, 255, 0.6);
}
.app-container .grid .box.mixed {
  background: rgb(60, 166, 146);
  background: linear-gradient(304deg, rgb(84, 131, 191) 0%, rgb(60, 166, 146) 56%);
}
.app-container .grid .box.mixed input[type=text] {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #525D6A;
}
.app-container .grid .box.mixed input[type=text]::placeholder {
  color: rgba(255, 255, 255, 0.6);
}
.app-container .grid .box.green {
  background: #3CA692;
  background: linear-gradient(304deg, rgb(60, 166, 146) 0%, rgb(89, 76, 76) 57%);
}
.app-container .grid .box.green input[type=text] {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #38514C;
}
.app-container .grid .box.green input[type=text]::placeholder {
  color: rgba(255, 255, 255, 0.6);
}
.app-container .grid .box.green .panel-title::after,
.app-container .grid .box.green .panel-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 80px;
  height: 2px;
  border-radius: 1px;
  background: var(--grad);
  opacity: 0.85;
}
.app-container .grid input[type=text] {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  color: var(--text);
  font-family: "Source Code Pro";
  font-size: 0.95rem;
  width: 100%;
  box-sizing: border-box;
  height: 50px;
  transition: border-color 0.2s ease;
  outline: none;
}
.app-container .grid input[type=text]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(125, 92, 242, 0.2);
}
.app-container .grid .input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}
.app-container .grid .input-with-icon input[type=text] {
  padding-right: 3.5rem;
}
.app-container .grid .input-with-icon .input-icon-btn {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 4px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  outline: none;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}
.app-container .grid .input-with-icon .input-icon-btn:hover {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.1);
}
.app-container .grid .input-with-icon .input-icon-btn:active {
  transform: translateY(-50%) scale(0.95);
}
.app-container .grid .input-with-icon .input-icon-btn:focus {
  box-shadow: 0 0 0 2px rgba(125, 92, 242, 0.3);
}
.app-container .grid .input-with-icon .input-icon-btn i {
  font-size: 1rem;
  pointer-events: none;
}
.app-container .grid .radio-group {
  display: flex;
  gap: 1.5rem;
  margin: 0;
  flex-wrap: wrap;
}
.app-container .grid .radio-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--text);
  transition: color 0.2s ease;
}
.app-container .grid .radio-label:hover {
  color: var(--primary);
}
.app-container .grid .radio-label input[type=radio] {
  margin: 0;
  cursor: pointer;
}
.app-container .grid .radio-label span {
  user-select: none;
}
.app-container .grid .input-copy-group {
  display: flex;
  align-items: stretch;
  position: relative;
}
.app-container .grid .input-copy-group input[type=text] {
  flex: 1 1 auto;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  margin: 0;
}
.app-container .grid .input-copy-group button.copy-btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-top-right-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
  border-left: 1px solid #333;
  background: var(--primary);
  color: white;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  min-width: 50px;
  cursor: pointer;
  transition: all 0.2s ease;
  height: 50px;
  border: none;
  outline: none;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}
.app-container .grid .input-copy-group button.copy-btn:hover {
  background: #6842d6;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}
.app-container .grid .input-copy-group button.copy-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.app-container .grid .input-copy-group button.copy-btn:focus {
  box-shadow: 0 0 0 2px rgba(125, 92, 242, 0.3);
}
.app-container .grid .input-copy-group button.copy-btn i {
  margin: 0;
  pointer-events: none;
}

.explanation-section {
  margin-top: 2rem;
}
.explanation-section .explanation-content {
  max-width: none;
}
.explanation-section .explanation-content h2 {
  font-size: 3rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 4rem;
  color: #FFF;
  background-clip: text;
  letter-spacing: -0.03em;
  position: relative;
  text-shadow: 3px 4px 2px rgba(0, 0, 0, 0.28);
}
.explanation-section .explanation-content h2::before {
  content: "";
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  opacity: 0.8;
}
.explanation-section .explanation-content h2::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--secondary), transparent);
  border-radius: 1px;
}
@media (max-width: 768px) {
  .explanation-section .explanation-content h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
  }
}
.explanation-section .explanation-content .explanation-item {
  margin-bottom: 2.5rem;
  padding: 0.5rem 2rem 2rem 2rem;
  background: rgba(105, 82, 76, 0.6);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: rgba(32, 30, 45, 0.8) 2px 2px 5px;
}
.explanation-section .explanation-content .explanation-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}
.explanation-section .explanation-content .explanation-item h3 {
  font-size: 1.5rem;
  font-weight: 600;
  background: linear-gradient(270deg, var(--primary), var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
  position: relative;
  margin: 1rem auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-direction: column;
  text-shadow: 1px 1px 1px rgba(255, 255, 255, 0.3);
}
.explanation-section .explanation-content .explanation-item h3::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 2px;
  background: linear-gradient(270deg, transparent, var(--secondary), transparent);
  border-radius: 1px;
}
@media (max-width: 768px) {
  .explanation-section .explanation-content .explanation-item h3 {
    font-size: 1.6rem;
    margin-bottom: 3rem;
  }
}
.explanation-section .explanation-content .explanation-item p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}
.explanation-section .explanation-content .explanation-item p strong {
  color: var(--text);
  font-weight: 600;
}

@media (max-width: 768px) {
  .explanation-section .explanation-content h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
  }
  .explanation-section .explanation-content .explanation-item {
    padding: 1.5rem;
    margin-bottom: 2rem;
  }
  .explanation-section .explanation-content .explanation-item h3 {
    font-size: 1.3rem;
  }
  .explanation-section .explanation-content .explanation-item p {
    font-size: 0.95rem;
  }
}
.site-footer {
  margin-top: 4rem;
  padding: 3rem 0 2rem 0;
  background: rgba(26, 27, 38, 0.3);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
}
.site-footer .footer-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}
.site-footer .footer-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text);
  background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 2rem 0;
  letter-spacing: -0.02em;
  position: relative;
  text-shadow: 0 0 30px rgba(125, 92, 242, 0.3);
}
.site-footer .footer-title::before {
  content: "";
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(125, 92, 242, 0.5);
}
.site-footer .footer-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--secondary), transparent);
  box-shadow: 0 0 8px rgba(57, 155, 166, 0.4);
}
@media (max-width: 768px) {
  .site-footer .footer-title {
    font-size: 1.8rem;
    margin: 0 0 1.5rem 0;
  }
}
.site-footer .footer-copyright {
  font-size: 1rem;
  color: var(--text);
  margin: 0;
  line-height: 1.8;
  font-weight: 500;
  opacity: 0.9;
}
.site-footer .footer-copyright .fa-heart {
  color: #ff6b6b;
  margin: 0 0.4rem;
  animation: heartbeat 2.5s ease-in-out infinite;
  filter: drop-shadow(0 0 8px rgba(255, 107, 107, 0.6));
  font-size: 1.1em;
}
@media (max-width: 768px) {
  .site-footer .footer-copyright {
    font-size: 0.9rem;
    padding: 0 1rem;
  }
}

@keyframes heartbeat {
  0% {
    transform: scale(1);
    filter: drop-shadow(0 0 8px rgba(255, 107, 107, 0.6));
  }
  14% {
    transform: scale(1.15);
    filter: drop-shadow(0 0 12px rgba(255, 107, 107, 0.8));
  }
  28% {
    transform: scale(1);
    filter: drop-shadow(0 0 8px rgba(255, 107, 107, 0.6));
  }
  42% {
    transform: scale(1.15);
    filter: drop-shadow(0 0 12px rgba(255, 107, 107, 0.8));
  }
  70% {
    transform: scale(1);
    filter: drop-shadow(0 0 8px rgba(255, 107, 107, 0.6));
  }
}