html, body {
  height: 100%;
}


:root {
  --bg: #000000;
  --clr-1: #ec5f43;
  --clr-2: #e2bcbcf5;
  --clr-3: #d17575f5;
  --clr-4: #f0bdb2;

  --blur: 1rem;
  --fs: clamp(3rem, 8vw, 7rem);
  --ls: clamp(-1.75px, -0.25vw, -3.5px);
}

body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background-color: var(--bg);
  color: #fff;
}

*,
*::before,
*::after {
  font-family: 'Bebas Neue', sans-serif;
  box-sizing: border-box;
}

.content {
  text-align: center;
}

.title {
  font-size: var(--fs);
  font-weight: 800;
  position: relative;
  overflow: hidden;
  background: var(--bg);
  margin: 0;
  letter-spacing: 5px;
  text-shadow: #f0bdb2 0px 0px 1px,
    #d17575f5 0px 5px 0px,
    #fffffff5 0px 0px 1px,
    #ff5656 0px 0px 5px;

    background-color: rgba(0, 0, 0, 0.5); 
}

.subtitle {
    z-index: 1;
    position: relative;
}

.aurora {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  mix-blend-mode: darken;
  pointer-events: none;
}

.aurora__item {
  overflow: hidden;
  position: absolute;
  width: 60vw;
  height: 60vw;
  background-color: var(--clr-1);
  border-radius: 37% 29% 27% 27% / 28% 25% 41% 37%;
  filter: blur(var(--blur));
  mix-blend-mode: overlay;
}

.aurora__item:nth-of-type(1) {
  top: -50%;
  animation: aurora-border 6s ease-in-out infinite,
    aurora-1 12s ease-in-out infinite alternate,
    glow-aura 5s ease-in-out infinite;

}

.aurora__item:nth-of-type(2) {
  background-color: var(--clr-3);
  right: 0;
  top: 0;
  animation: aurora-border 6s ease-in-out infinite,
    aurora-2 12s ease-in-out infinite alternate,
    glow-aura 5s ease-in-out infinite;


}

.aurora__item:nth-of-type(3) {
  background-color: var(--clr-2);
  left: 0;
  bottom: 0;
  animation: aurora-border 6s ease-in-out infinite,
    aurora-3 8s ease-in-out infinite alternate,
    glow-aura 5s ease-in-out infinite;


}

.aurora__item:nth-of-type(4) {
  background-color: var(--clr-4);
  right: 0;
  bottom: -50%;
  animation: aurora-border 6s ease-in-out infinite,
    aurora-4 24s ease-in-out infinite alternate,
    glow-aura 5s ease-in-out infinite;


}

@keyframes aurora-1 {
  0% {
    top: 0;
    right: 0;
  }

  50% {
    top: 100%;
    right: 75%;
  }

  75% {
    top: 100%;
    right: 25%;
  }

  100% {
    top: 0;
    right: 0;
  }
}

@keyframes aurora-2 {
  0% {
    top: -50%;
    left: 0%;
  }

  60% {
    top: 100%;
    left: 75%;
  }

  85% {
    top: 100%;
    left: 25%;
  }

  100% {
    top: -50%;
    left: 0%;
  }
}

@keyframes aurora-3 {
  0% {
    bottom: 0;
    left: 0;
  }

  40% {
    bottom: 100%;
    left: 75%;
  }

  65% {
    bottom: 40%;
    left: 50%;
  }

  100% {
    bottom: 0;
    left: 0;
  }
}

@keyframes aurora-4 {
  0% {
    bottom: -50%;
    right: 0;
  }

  50% {
    bottom: 0%;
    right: 40%;
  }

  90% {
    bottom: 50%;
    right: 25%;
  }

  100% {
    bottom: -50%;
    right: 0;
  }
}

@keyframes aurora-border {
  0% {
    border-radius: 37% 29% 27% 27% / 28% 25% 41% 37%;
  }

  25% {
    border-radius: 47% 29% 39% 49% / 61% 19% 66% 26%;
  }

  50% {
    border-radius: 57% 23% 47% 72% / 63% 17% 66% 33%;
  }

  75% {
    border-radius: 28% 49% 29% 100% / 93% 20% 64% 25%;
  }

  100% {
    border-radius: 37% 29% 27% 27% / 28% 25% 41% 37%;
  }
}

@keyframes glow-aura {
  0% {
    text-shadow:
      0 0 5px var(--clr-1),
      0 0 10px var(--clr-2),
      0 0 15px var(--clr-3),
      0 0 20px var(--clr-4);
    transform: translateY(0);
  }

  25% {
    text-shadow:
      0 0 10px var(--clr-2),
      0 0 15px var(--clr-3),
      0 0 25px var(--clr-1),
      0 0 30px var(--clr-4);
    transform: translateY(-2px);
  }

  50% {
    text-shadow:
      0 0 15px var(--clr-3),
      0 0 20px var(--clr-2),
      0 0 30px var(--clr-4),
      0 0 35px var(--clr-1);
    transform: translateY(0);
  }

  75% {
    text-shadow:
      0 0 10px var(--clr-1),
      0 0 20px var(--clr-4),
      0 0 30px var(--clr-2),
      0 0 40px var(--clr-3);
    transform: translateY(2px);
  }

  100% {
    text-shadow:
      0 0 5px var(--clr-1),
      0 0 10px var(--clr-2),
      0 0 15px var(--clr-3),
      0 0 20px var(--clr-4);
    transform: translateY(0);
  }
}



.countdown__section {
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 3;
  gap: 20px;
  background: rgba(236, 95, 67, 0.1);
  border: 3px solid var(--clr-1);
  padding: 30px 30px 25px; 
  border-radius: 16px;
  box-shadow: 0 0 15px var(--clr-1);
  backdrop-filter: blur(6px);
  height: auto; 
}

.countdown__paragraph {
  text-align: center;
  font-size: 1.5rem;
  color: #ffffff;
  letter-spacing: 2px;
  text-shadow: 0 0 5px var(--clr-4);
  margin-top: -10px; 
}

.countdown__timer {
  display: flex;
  gap: 30px;
  font-size: 50px;
  margin-top: -10px; 
}

.countdown__box {
  font-size: 1rem;
  color: #fff;
  text-align: center;
  font-family: 'Bebas Neue', sans-serif;
  padding: 10px 15px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

.countdown__box span {
  display: block;
  font-size: 3.5rem;

}

.signup__form {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
    padding: 10px 20px;
}

.signup__email {
  padding: 10px 20px;
  font-size: 1rem;
  border: none;
  border-radius: 999px; 
  outline: none;
  min-width: 250px;
}

.signup__form button {
  padding: 10px 25px;
  font-size: 1rem;
  border: none;
  border-radius: 999px; 
  cursor: pointer;
}

.signup__form button:hover {
  background-color: var(--clr-1);
  color: #fff;
  box-shadow: 0 0 10px var(--clr-1);
}

.email {
    z-index: 1;
    position: relative;
    text-align: center;
}

.footer {
  margin-top: 200px;
  width: 100%;
  text-align: center;
  color: #fff;
  font-size: 0.9rem;
}

.container__image_slideshow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-evenly;
  align-items: flex-start;
  gap: 40px;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;

  mask-image: linear-gradient(to bottom, transparent 0%, white 15%, white 85%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, white 15%, white 85%, transparent 100%);
}

.logo-column {
  display: flex;
  flex-direction: column;
  gap: 40px;
  pointer-events: auto;
  animation: scrollLoop 30s linear infinite;
}

.logo-column img {
  height: 90px;
  width: auto;
  object-fit: contain;
  opacity: 0.85;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.logo-column img:hover {
  transform: scale(1.1);
  filter: brightness(1.2);
  animation: pulse 1.5s infinite alternate ease-in-out;
}

@keyframes scrollLoop {
  0% {
    transform: translateY(0%);
  }
  100% {
    transform: translateY(-50%);
  }
}

@keyframes pulse {
  from {
    transform: scale(1.05);
    opacity: 0.9;
  }
  to {
    transform: scale(1.1);
    opacity: 1;
  }
}

.logo-column img:nth-child(3n+1) {
  transform: scale(0.95);
  opacity: 0.9;
}
.logo-column img:nth-child(3n+2) {
  transform: scale(1.05);
  opacity: 0.85;
}

.logo-column:nth-child(odd) {
  animation-duration: 50s;
}
.logo-column:nth-child(even) {
  animation-duration: 50s;
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOutDown {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(20px);
  }
}

.signup__message {
  display: none;
  margin-top: 1rem;
  font-family: 'Oswald', sans-serif;
  padding: 1rem;
  font-size: 1rem;
  text-align: center;
  pointer-events: none;
  background: rgba(236, 95, 67, 0.1);
  border: 3px solid var(--clr-1);
  border-radius: 16px;
  box-shadow: 0 0 15px var(--clr-1);
  backdrop-filter: blur(6px);
  opacity: 0;
  transform: translateY(20px);
}

.fade-in {
  display: block;
  animation: fadeInUp 0.5s ease forwards;
}

.fade-out {
  animation: fadeOutDown 0.5s ease forwards;
}


/* iPhone SE / iPhone 8 (375 x 667) */
@media (max-width: 375px) {
  .title {
    font-size: 2rem;
    letter-spacing: 1px;
  }

  .countdown__section {
    width: 95vw;
    padding: 12px 10px;
    gap: 10px;
  }

  .countdown__paragraph {
    font-size: 0.85rem;
    text-align: center;
  }

  .countdown__timer {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    gap: 6px;
  }

  .countdown__box {
    flex: 1;
    padding: 6px;
    font-size: 0.65rem;
    text-align: center;
  }

  .countdown__box span {
    font-size: 1.4rem;
  }

  .signup__section {
    padding: 0 10px;
  }

  .signup__heading {
    font-size: 0.9rem;
    text-align: center;
  }

  .signup__form {
    flex-direction: column;
    gap: 8px;
    padding: 0;
  }

  .signup__email {
    width: 85vw;
    font-size: 0.9rem;
  }

  .signup__form button {
    width: 40%;
    font-size: 0.9rem;
  }

  .signup__message {
    font-size: 0.85rem;
    padding: 0.5rem;
    width: 80vw;
  }

  .logo-column {
    display: none;
  }

  .footer {
    font-size: 0.75rem;
    padding: 10px;
    margin-top: 40px;
  }
}


/* iPhone 13/14/15 (390 x 844) */
@media (max-width: 390px) {
  .title {
    font-size: 2.6rem;
    letter-spacing: 1px;
  }

  .countdown__section {
    width: 95vw;
    padding: 15px 10px;
    gap: 12px;
  }

  .countdown__paragraph {
    font-size: 0.95rem;
  }

  .countdown__timer {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    gap: 10px;
  }

  .countdown__box {
    flex: 1;
    padding: 8px;
    font-size: 0.7rem;
  }

  .countdown__box span {
    font-size: 1.8rem;
  }

  .signup__section {
    padding: 0 12px;
  }

  .signup__heading {
    font-size: 1rem;
    text-align: center;
  }

  .signup__form {
    flex-direction: column;
    gap: 10px;
    padding: 0;
  }

  .signup__email {
    width: 85vw;
  }

  .signup__form button {
    width: 60%;
  }

  .signup__message {
    font-size: 0.9rem;
    width: 80vw;
  }

  .logo-column {
    flex-basis: 33.3%;
  }

  .logo-column:nth-child(n+4) {
    display: none;
  }

  .container__image_slideshow {
    gap: 10px;
  }

  .footer {
    font-size: 0.8rem;
    margin-top: 60px;
  }
}


/* iPhone 15 Pro Max (430 x 932) */
@media (max-width: 430px) {
  .title {
    font-size: 2.8rem;
    letter-spacing: 1.5px;
  }

  .countdown__timer {
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: 12px;
  }

  .countdown__box {
    flex: 1;
    padding: 10px;
    font-size: 0.8rem;
  }

  .countdown__box span {
    font-size: 2rem;
  }

  .signup__form button {
    width: 50%;
  }

  .logo-column {
    flex-basis: 33.3%;
  }

  .logo-column:nth-child(n+4) {
    display: none;
  }
}


/* iPhone 8 Plus / XR / 11 (414 x 896) */
@media (max-width: 414px) {
  .title {
    font-size: 2.8rem;
  }

  .signup__form button {
    width: 55%;
  }

  .logo-column {
    flex-basis: 33.3%;
  }

  .logo-column:nth-child(n+4) {
    display: none;
  }
}


/* iPads & Tablets (768 x 1024) */
@media (max-width: 768px) {
  .title {
    font-size: 3.5rem;
  }

  .countdown__timer {
    justify-content: space-evenly;
    gap: 15px;
  }

  .signup__email,
  .signup__form button {
    width: 70%;
  }

  .logo-column {
    flex-basis: 33.3%;
    display: flex;
  }

  .logo-column:nth-child(n+4) {
    display: none;
  }

  .footer {
    font-size: 1rem;
    margin-top: 100px;
  }
}