:root {
  --color-bg: #000;
  --color-bg-secondary: #313131;
  --color-text: #e7e7e7;
  --color-primary: #facc15;
  --color-primary-hover: #ffe670;
  --color-text-gray: #a5a5a5;
  --shadow-color: rgba(231, 231, 231, 0.3);

  --font-base: "Geist", sans-serif;

  --font-size-notes: 0.625rem;
  --font-size-sm-mobile: 0.875rem;
  --font-size-base-mobile: 1.125rem;

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
  --font-size-lg-mobile: clamp(1rem, 5.5vw, 1.563rem);
  --font-size-xl-mobile: clamp(1.5rem, 10vw, 3.125rem);

  --navbar-height: clamp(60px, 8vh, 80px);
  --radius-base: 10px;
}

@font-face {
  font-family: "Geist";
  font-weight: 400;
  src: url("assets/fonts/Geist-Regular.woff2") format("woff2");
}

@font-face {
  font-family: "Geist";
  font-weight: 700;
  src: url("assets/fonts/Geist-Bold.woff2") format("woff2");
}

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

html,
body {
  background-color: var(--color-bg);
  overflow-x: hidden;
  font-family: var(--font-base);
}

body.no-scroll {
  overflow: hidden;
}

.bg-secondary {
  background-color: var(--color-bg-secondary);
}
.text-light {
  color: var(--color-text);
}
.rounded {
  border-radius: var(--radius-base);
}
.shadow {
  box-shadow: 0 0 15px var(--shadow-color);
}

.nav-bar-container {
  background: var(--color-bg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1rem;
  z-index: 10;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--navbar-height);
}

.nav-bar-container img {
  display: block;
}

.intro-container {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  position: relative;
  height: calc(100vh - var(--navbar-height));
  margin-top: var(--navbar-height);
}

video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 1;
}

.heading1-container {
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  padding: 1.2rem;
  position: absolute;
  top: 5%;
  width: 85%;
  height: 80%;
  z-index: 2;
  border: 5px solid var(--color-text);
}

h1,
h2,
h3 {
  text-align: left;
  overflow-wrap: break-word;
  word-break: break-word;
}
h1 {
  font-size: var(--font-size-xl-mobile);
  letter-spacing: 0.2rem;
}

h2 {
  font-size: var(--font-size-base-mobile);
  margin: 0;
  letter-spacing: 0.05rem;
}

h3 {
  font-size: var(--font-size-lg-mobile);
  letter-spacing: 0.1rem;
  font-weight: 400;
  color: var(--color-text-gray);
}

.reveal,
.reveal-on-load {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease-out;
}

.reveal.active,
.reveal-on-load.active {
  opacity: 1;
  transform: translateY(0);
}

/* Avoid reveal animation changing footer layout/scroll */
footer.reveal,
footer.reveal-on-load {
  opacity: 1;
  transform: none;
  transition: none;
}
footer.reveal.active,
footer.reveal-on-load.active {
  opacity: 1;
  transform: none;
  transition: none;
}

/* Avoid transformed parent affecting fixed filters panel positioning */
main#work.reveal,
main#work.reveal-on-load {
  opacity: 1;
  transform: none;
  transition: none;
}
main#work.reveal.active,
main#work.reveal-on-load.active {
  opacity: 1;
  transform: none;
  transition: none;
}

.about-section {
  width: 85vw;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 3rem 1.5rem;
  margin: auto;
  background-color: var(--color-bg);
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about-content h2 {
  color: var(--color-text);
  font-size: var(--font-size-lg-mobile);
}

.about-content p {
  color: var(--color-text-gray);
  font-size: var(--font-size-base-mobile);
  line-height: 1.6;
}

.download-btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--color-primary);
  color: var(--color-bg);
  text-decoration: none;
  border-radius: var(--radius-base);
  font-weight: 600;
  text-align: center;
  transition: background-color 0.3s ease;
  width: fit-content;
}

.download-btn:hover {
  background-color: var(--color-primary-hover);
}

.about-image {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-image img {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: var(--radius-base);
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  border: 5px solid var(--color-text);
}

main {
  display: block;
  position: relative;
  padding: 1rem 1rem;
  width: 100%;
  min-height: fit-content;
  height: calc(100vh - var(--navbar-height));
}

.form-container {
  display: flex;
  flex-direction: row;
  gap: 1rem;
  width: 100%;
  max-width: 600px;
}

.form-container > div {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.form-container label {
  color: var(--color-text-gray);
  font-size: var(--font-size-sm-mobile);
}

.form-container select {
  all:unset;
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
  border-radius: var(--radius-base);
  padding: 0.6rem 0.4rem;
  cursor: pointer;
}

@media (max-width: 479px) {
  .form-container {
    flex-direction: column;
    gap: 0.8rem;
  }
}

.title-filters-container {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  width: 85vw;
  margin: auto;
}

.title-filters-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.title-filters-header h3 {
  color: var(--color-text);
}

.filters-toggle {
  padding: 0;
  background-color: transparent;
  color: var(--color-text-gray);
  border: none;
  font-size: var(--font-size-sm-mobile);
  font-weight: 600;
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0.02em;
  box-shadow: none;
  transition: color 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.filters-toggle img {
  width: 1.1rem;
  height: 1.1rem;
  filter: brightness(0) saturate(100%) invert(46%) sepia(0%) saturate(0%) hue-rotate(170deg)
    brightness(97%) contrast(92%);
}

.filters-overlay {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 1050;
}

.filters-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.filters-toggle:hover,
.filters-toggle:active,
.filters-toggle.active {
  background-color: transparent;
  color: var(--color-text-gray);
  transform: none;
}

.scroll-button-container {
  position: fixed;
  bottom: 2vh;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 1.5rem;
  z-index: 1000;
}

.scroll-button-container > button,
.scroll-button-container > button {
  all: unset;
  font-size: var(--font-size-sm-mobile);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 9998;
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
  border-radius: var(--radius-base);
  box-shadow: 0 0 15px var(--shadow-color);
}

.scroll-button-container > button {
  display: none;
}

.scroll-button-container > button {
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
  border-radius: var(--radius-base);
}
.scroll-button-container button.show {
  display: inline-flex;
}

.hamburger {
  background: none;
  display: block;
  position: relative;
  z-index: 1001;
  font-size: var(--font-size-xl-mobile);
  color: var(--color-text);
  border: none;
  cursor: pointer;
}

.hamburger.active {
  color: var(--color-bg);
}

.nav-bar {
  background: var(--color-primary);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  width: 100%;
  height: 100vh;
  z-index: 1000;
  position: absolute;
  top: 0;
  right: 0;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  padding: 40px;
  pointer-events: none;
}

.nav-bar.open {
  transform: translateX(0);
  pointer-events: auto;
}

.nav-bar > ul {
  padding: 2rem 1.5rem 1rem;
}

.nav-a {
  padding-top: 2rem;
  all: unset;
  color: var(--color-bg);
  font-size: var(--font-size-xl-mobile);
}

li {
  all: unset;
  display: block;
  padding: 0.625rem;
}

.form-controllers-container {
  position: fixed;
  top: var(--navbar-height);
  right: 0;
  width: 100vw;
  height: calc(100vh - var(--navbar-height));
  background-color: var(--color-primary);
  color: var(--color-bg);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  gap: 1.5rem;
  padding: 1.5rem;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 1100;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}

.form-controllers-container.open {
  transform: translateX(0);
  pointer-events: auto;
}

.filters-close {
  all: unset;
  align-self: flex-end;
  font-size: 2rem;
  cursor: pointer;
  color: var(--color-bg);
  line-height: 1;
}

.filters-close:focus-visible,
.filters-toggle:focus-visible {
  outline: 2px solid var(--color-bg);
  outline-offset: 4px;
}

.form-controllers-container form {
  width: 100%;
}

.filters-modal-title {
  color: var(--color-bg);
  font-size: var(--font-size-base-mobile);
  font-weight: 600;
  letter-spacing: 0.03em;
}

@media (max-width: 1023px) {
  .form-controllers-container {
    box-shadow: none;
  }

  .form-controllers-container label {
    color: var(--color-bg);
  }

  .form-controllers-container select {
    background-color: var(--color-primary);
    border: 1px solid rgba(2, 5, 10, 0.35);
    color: var(--color-bg);
  }
}

@media (min-width: 1024px) {
  .filters-toggle {
    display: none;
  }

  .title-filters-header {
    justify-content: flex-start;
  }

  .filters-overlay {
    display: none;
  }

  .form-controllers-container {
    position: static;
    height: auto;
    top: auto;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
    background: transparent;
    width: 85vw;
    height: auto;
    padding: 0;
    margin: 2rem auto 0;
    gap: 1rem;
    transform: none;
    box-shadow: none;
    pointer-events: auto;
  }

  .form-controllers-container.open {
    transform: none;
  }

  .filters-close {
    display: none;
  }

  .filters-modal-title {
    display: none;
  }
}

.contact-links-container,
footer {
  min-height: auto;
  background-color: var(--color-primary);
  color: var(--color-bg);
  justify-content: center;
  padding: 4rem 1rem;
}
.contact-links-container,
footer {
  flex-direction: column;
}

.contact-links-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-top: 1.5rem;
}

footer {
  min-height: auto;
  background-color: var(--color-primary);
  color: var(--color-bg);
  justify-content: center;
  padding: 3rem 1rem;
  position: relative;
  z-index: 0;
}

footer::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: calc(-1 * clamp(10rem, 16vw, 20rem));
  height: clamp(10rem, 16vw, 20rem);
  background-color: var(--color-primary);
  pointer-events: none;
  z-index: -1;
}

footer h1 {
  font-size: clamp(1.5rem, 5vw, 2rem);
  margin-bottom: 1.5rem;
  width: 100%;
  text-align: center;
}

@media (min-width: 768px) {
  footer {
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    padding: 3rem 2rem;
  }
  
  footer h1 {
    width: auto;
    margin-bottom: 0;
    flex-shrink: 0;
    text-align: left;
  }
  
  .contact-links-container {
    justify-content: flex-start;
  }
}

.contact-links-container a {
  justify-content: left;
  text-decoration: none;
  color: var(--color-bg);
  font-weight: 400;
  transition: transform 0.3s ease, opacity 0.3s ease;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 0.4rem;
  font-size: clamp(1rem, 4vw, 1.125rem);
}

.contact-links-container a:hover {
  animation: linkHover 0.4s ease forwards;
}

@keyframes linkHover {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(-5px);
    opacity: 0.85;
  }
  100% {
    transform: translateY(-3px);
    opacity: 0.8;
  }
}

.contact-icon {
  width: 2rem;
  height: 2rem;
}

@media (min-width: 768px) {
  :root {
    --font-size-sm-mobile: 1rem;
    --font-size-base-mobile: 1.25rem;
    --font-size-lg-mobile: clamp(1.5rem, 5vw, 2.188rem);
    --font-size-xl-mobile: clamp(2rem, 10vw, 3.75rem);
    --navbar-height: clamp(70px, 9vh, 90px);
  }
}

@media (min-width: 1200px) {
  :root {
    --font-size-base-mobile: 1.563rem;
    --font-size-lg-mobile: clamp(1.5rem, 5vw, 2.5rem);
    --font-size-xl-mobile: clamp(2rem, 8vw, 5rem);
    --navbar-height: clamp(80px, 10vh, 100px);
  }

  .about-section {
    flex-direction: row;
    align-items: center;
    gap: 4rem;
    padding: 4rem 3rem;
  }

  .about-content {
    flex: 1;
    gap: 1.5rem;
  }

  .about-image {
    flex: 1;
    justify-content: flex-end;
  }

  .about-image img {
    width: auto;
    max-width: min(100%, 500px);
    max-height: min(70vh, 700px);
    object-fit: contain;
  }

  .contact-links-container {
    display: flex;
    flex-direction: row;
    gap: 2.5rem;
  }
  .contact-links-container a {
    display: inline-flex;
    align-items: center;
    flex-direction: row;
    gap: 0.5rem;
    font-size: var(--font-size-base-mobile);
  }
  .contact-links-container img {
    width: 2rem;
  }

  .nav-bar {
    transform: none;
    background: transparent;
    height: 100%;
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
    position: relative;
    z-index: 9999;
    pointer-events: auto;
    gap: 1rem;
  }
  .hamburger {
    display: none;
  }
  .nav-bar ul {
    display: flex;
    flex-direction: row;
    gap: 2rem;
    padding: 0;
  }
  .nav-bar a {
    font-size: var(--font-size-base-mobile);
    color: var(--color-text);
  }
  .nav-bar a:hover {
    color: var(--color-primary-hover);
  }
  footer{
    flex-direction: row;
    justify-content: space-between;
  }
}