/* ==============================
   Reset dan Variabel Tema
================================= */
:root {
  --blue: #26a7ff;
  --blue-dark: #071a3d;
  --purple: #7c3cff;
  --gold: #f6c85f;
  --gold-bright: #ffe9a4;
  --black: #050815;
  --card: rgba(10, 18, 42, 0.66);
  --card-strong: rgba(9, 13, 32, 0.86);
  --white: #ffffff;
  --text: #eef5ff;
  --muted: #aebbd5;
  --line: rgba(255, 255, 255, 0.14);
  --danger: #ff4d6d;
  --shadow-gold: 0 0 34px rgba(246, 200, 95, 0.42);
  --shadow-blue: 0 18px 50px rgba(38, 167, 255, 0.22);
  --radius: 20px;
  --transition: 0.28s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--black);
  color: var(--text);
  font-family: "Poppins", Arial, sans-serif;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

body:not(.dark-mode) {
  --black: #151834;
  --card: rgba(255, 255, 255, 0.14);
  --card-strong: rgba(17, 26, 58, 0.72);
  --text: #ffffff;
  --muted: #dce8ff;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
}

/* ==============================
   Background dan Komponen Umum
================================= */
body::before {
  background:
    linear-gradient(180deg, rgba(5, 8, 21, 0.28), rgba(5, 8, 21, 0.9)),
    url("assets/background/arena.svg") center / cover fixed;
  content: "";
  filter: blur(2px);
  inset: -8px;
  position: fixed;
  transform: scale(1.02);
  z-index: -3;
}

body::after {
  background:
    radial-gradient(circle at 20% 18%, rgba(38, 167, 255, 0.2), transparent 26%),
    radial-gradient(circle at 78% 24%, rgba(124, 60, 255, 0.22), transparent 30%),
    linear-gradient(180deg, rgba(5, 8, 21, 0.2), rgba(5, 8, 21, 0.88));
  content: "";
  inset: 0;
  position: fixed;
  z-index: -2;
}

.particle-canvas {
  inset: 0;
  pointer-events: none;
  position: fixed;
  z-index: -1;
}

.container {
  margin: 0 auto;
  max-width: 1240px;
  padding: 0 22px;
}

.section {
  padding: 100px 0;
  scroll-margin-top: 86px;
}

.section-label {
  color: var(--gold);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 800;
  gap: 8px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-heading {
  margin: 0 auto 34px;
  max-width: 720px;
  text-align: center;
}

.section-heading h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.2;
  margin: 10px 0 12px;
}

.section-heading p {
  color: var(--muted);
}

.button {
  align-items: center;
  border-radius: 999px;
  color: var(--white);
  cursor: pointer;
  display: inline-flex;
  font-weight: 800;
  gap: 10px;
  justify-content: center;
  min-height: 50px;
  overflow: hidden;
  padding: 13px 24px;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition), filter var(--transition);
}

.button:hover {
  filter: brightness(1.08);
  transform: translateY(-4px);
}

.button--primary {
  background: linear-gradient(135deg, var(--blue), var(--purple) 58%, var(--gold));
  box-shadow: 0 16px 42px rgba(124, 60, 255, 0.3);
}

.button--secondary {
  background: linear-gradient(135deg, #17396f, #7c3cff);
  box-shadow: 0 14px 36px rgba(38, 167, 255, 0.22);
}

.button--danger {
  background: linear-gradient(135deg, #ff4d6d, #8b1e48);
  box-shadow: 0 14px 36px rgba(255, 77, 109, 0.22);
}

.button--ghost {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.ripple {
  animation: rippleEffect 0.65s ease-out;
  background: rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  pointer-events: none;
  position: absolute;
  transform: scale(0);
}

/* ==============================
   Navbar
================================= */
.site-header {
  background: rgba(5, 8, 21, 0.42);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
  left: 0;
  position: fixed;
  right: 0;
  top: 0;
  transition: background-color var(--transition), box-shadow var(--transition);
  z-index: 1000;
}

.site-header.scrolled {
  background: rgba(5, 8, 21, 0.88);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.navbar {
  align-items: center;
  display: flex;
  gap: 18px;
  justify-content: space-between;
  min-height: 78px;
}

.navbar__brand,
.footer__brand {
  align-items: center;
  color: var(--white);
  display: inline-flex;
  font-weight: 900;
  gap: 12px;
  white-space: nowrap;
}

.navbar__brand img,
.footer__brand img {
  height: 42px;
  width: 42px;
}

.navbar__menu {
  align-items: center;
  display: flex;
  gap: 8px;
}

.navbar__link {
  border-radius: 999px;
  color: var(--muted);
  display: block;
  font-weight: 700;
  padding: 9px 14px;
  transition: background-color var(--transition), color var(--transition);
}

.navbar__link:hover,
.navbar__link.active {
  background: rgba(246, 200, 95, 0.14);
  color: var(--gold-bright);
}

.navbar__toggle,
.theme-toggle {
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--white);
  cursor: pointer;
  display: flex;
  height: 42px;
  justify-content: center;
  transition: background-color var(--transition), transform var(--transition);
  width: 42px;
}

.navbar__toggle {
  display: none;
  flex-direction: column;
}

.navbar__toggle:hover,
.theme-toggle:hover {
  background: rgba(246, 200, 95, 0.16);
  transform: translateY(-2px);
}

.navbar__toggle span {
  background: var(--white);
  border-radius: 999px;
  display: block;
  height: 2px;
  margin: 3px 0;
  transition: opacity var(--transition), transform var(--transition);
  width: 20px;
}

.navbar__toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.navbar__toggle.open span:nth-child(2) {
  opacity: 0;
}

.navbar__toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ==============================
   Hero Section
================================= */
.hero {
  align-items: center;
  display: flex;
  min-height: 100vh;
  padding-top: 132px;
  position: relative;
}

.hero__grid {
  align-items: center;
  display: grid;
  gap: 52px;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  align-items: center;
  color: var(--gold);
  display: flex;
  font-weight: 800;
  gap: 10px;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 5.6rem);
  line-height: 1.02;
  max-width: 820px;
  text-shadow: 0 0 34px rgba(38, 167, 255, 0.26);
}

.hero h1 span {
  color: var(--gold-bright);
  display: block;
}

.hero__subtitle {
  color: var(--gold);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 700;
  margin: 20px 0 12px;
}

.hero__description {
  color: var(--muted);
  max-width: 700px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero__panel {
  display: grid;
  gap: 18px;
}

.hero-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-blue);
  backdrop-filter: blur(20px);
}

.hero-card--top,
.hero-card--bottom {
  align-items: center;
  display: flex;
  justify-content: space-between;
  padding: 18px 22px;
}

.hero-card--top span,
.hero-card--main span,
.hero-card--bottom span {
  color: var(--muted);
  font-weight: 700;
}

.hero-card strong {
  color: var(--gold-bright);
  display: block;
  font-size: 1.4rem;
}

.hero-card--main {
  align-items: center;
  border-color: rgba(246, 200, 95, 0.42);
  display: grid;
  gap: 20px;
  grid-template-columns: 160px 1fr;
  padding: 24px;
}

.hero-card--main img {
  filter: drop-shadow(0 0 24px rgba(246, 200, 95, 0.32));
}

.hero-card--bottom i {
  color: var(--gold);
  font-size: 1.4rem;
}

/* ==============================
   Input Player dan Aksi Picker
================================= */
.player-inputs {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-bottom: 24px;
}

.player-input {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  display: grid;
  gap: 10px;
  padding: 16px;
}

.player-input span {
  color: var(--gold);
  font-weight: 800;
}

.player-input strong {
  align-items: center;
  background: rgba(246, 200, 95, 0.12);
  border: 1px solid rgba(246, 200, 95, 0.28);
  border-radius: 999px;
  color: var(--gold-bright);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 900;
  justify-content: center;
  min-height: 30px;
  padding: 5px 11px;
  text-transform: uppercase;
}

.player-input input {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  color: var(--white);
  min-height: 46px;
  outline: none;
  padding: 12px 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.player-input input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(246, 200, 95, 0.15);
}

.player-input input::placeholder {
  color: rgba(238, 245, 255, 0.48);
}

.picker-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 26px;
}

.loading-panel {
  align-items: center;
  background: rgba(5, 8, 21, 0.68);
  border: 1px solid rgba(246, 200, 95, 0.38);
  border-radius: 999px;
  color: var(--gold-bright);
  display: none;
  font-weight: 900;
  gap: 12px;
  justify-content: center;
  margin: 0 auto 26px;
  max-width: 300px;
  padding: 12px 18px;
  box-shadow: var(--shadow-gold);
}

.loading-panel.show {
  display: flex;
}

.loading-spinner {
  animation: spin 0.8s linear infinite;
  border: 3px solid rgba(255, 255, 255, 0.22);
  border-top-color: var(--gold);
  border-radius: 50%;
  height: 24px;
  width: 24px;
}

/* ==============================
   Card Player
================================= */
.player-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.player-card {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04)),
    var(--card);
  border: 1px solid rgba(246, 200, 95, 0.35);
  border-radius: var(--radius);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(20px);
  min-height: 420px;
  overflow: hidden;
  padding: 18px;
  position: relative;
  text-align: center;
  transform-style: preserve-3d;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.player-card::before {
  background: linear-gradient(135deg, rgba(246, 200, 95, 0.2), transparent 42%, rgba(38, 167, 255, 0.14));
  content: "";
  inset: 0;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  transition: opacity var(--transition);
}

.player-card:hover,
.player-card.is-picked {
  border-color: var(--gold);
  box-shadow: var(--shadow-gold), 0 20px 58px rgba(38, 167, 255, 0.18);
  transform: translateY(-8px);
}

.player-card:hover::before,
.player-card.is-picked::before {
  opacity: 1;
}

.player-card__avatar {
  align-items: center;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  border: 2px solid var(--gold);
  border-radius: 50%;
  color: var(--white);
  display: flex;
  font-weight: 900;
  height: 52px;
  justify-content: center;
  margin: 0 auto 10px;
  width: 52px;
}

.player-card__label {
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.player-card__lane {
  align-items: center;
  background: linear-gradient(135deg, rgba(246, 200, 95, 0.24), rgba(124, 60, 255, 0.16));
  border: 1px solid rgba(246, 200, 95, 0.46);
  border-radius: 999px;
  color: var(--gold-bright);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 900;
  justify-content: center;
  margin: 8px 0 12px;
  min-height: 30px;
  padding: 5px 12px;
  text-transform: uppercase;
}

.player-card__name {
  font-size: 1.05rem;
  line-height: 1.25;
  margin-bottom: 14px;
  min-height: 34px;
  word-break: break-word;
}

.player-card__image-wrap {
  align-items: center;
  aspect-ratio: 3 / 4;
  background: radial-gradient(circle, rgba(246, 200, 95, 0.18), rgba(38, 167, 255, 0.09));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
  overflow: hidden;
  position: relative;
}

.player-card__image {
  height: 100%;
  object-fit: contain;
  padding: 8px;
  transform: scale(0.94);
  transition: transform 0.6s ease, filter 0.6s ease;
  width: 100%;
}

.player-card.is-picked .player-card__image {
  animation: heroZoom 0.7s ease both;
  filter: drop-shadow(0 0 28px rgba(246, 200, 95, 0.42));
}

.player-card__hero {
  color: var(--gold-bright);
  font-size: 1.18rem;
  font-weight: 900;
  line-height: 1.25;
  min-height: 30px;
}

.player-card__role {
  background: rgba(38, 167, 255, 0.14);
  border: 1px solid rgba(38, 167, 255, 0.28);
  border-radius: 999px;
  color: var(--text);
  display: inline-flex;
  font-size: 0.82rem;
  font-weight: 800;
  margin-top: 10px;
  padding: 6px 12px;
}

.player-card.is-shuffling {
  animation: shuffleFlip 0.74s ease-in-out infinite;
}

.player-card.is-picked {
  animation: cardShake 0.42s ease both;
}

.player-card.reveal-result {
  animation: resultReveal 0.76s ease both;
}

/* ==============================
   About dan Footer
================================= */
.about__grid {
  align-items: center;
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
}

.about__content h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.2;
  margin: 10px 0 14px;
}

.about__content p {
  color: var(--muted);
}

.about__features {
  display: grid;
  gap: 16px;
}

.about__features div {
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  display: flex;
  gap: 14px;
  padding: 20px;
}

.about__features i {
  align-items: center;
  background: rgba(246, 200, 95, 0.14);
  border-radius: 14px;
  color: var(--gold);
  display: flex;
  height: 48px;
  justify-content: center;
  width: 48px;
}

.footer {
  background: rgba(5, 8, 21, 0.86);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(18px);
  padding: 28px 0;
}

.footer__content {
  align-items: center;
  display: flex;
  gap: 18px;
  justify-content: space-between;
}

.footer p {
  color: var(--muted);
}

.back-to-top {
  align-items: center;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  border-radius: 50%;
  bottom: 24px;
  box-shadow: var(--shadow-blue);
  color: var(--white);
  cursor: pointer;
  display: flex;
  height: 48px;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  position: fixed;
  right: 24px;
  transform: translateY(16px);
  transition: opacity var(--transition), transform var(--transition);
  width: 48px;
  z-index: 900;
}

.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ==============================
   Animasi
================================= */
.fade-in {
  animation: fadeInUp 0.9s ease both;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shuffleFlip {
  0% {
    filter: brightness(1);
    transform: rotateY(0deg) scale(1);
  }

  50% {
    filter: brightness(1.5);
    transform: rotateY(180deg) scale(1.04);
  }

  100% {
    filter: brightness(1);
    transform: rotateY(360deg) scale(1);
  }
}

@keyframes resultReveal {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.92);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes cardShake {
  0%,
  100% {
    transform: translateY(-8px) translateX(0);
  }

  25% {
    transform: translateY(-8px) translateX(-3px);
  }

  50% {
    transform: translateY(-8px) translateX(3px);
  }

  75% {
    transform: translateY(-8px) translateX(-2px);
  }
}

@keyframes heroZoom {
  from {
    opacity: 0;
    transform: scale(0.68);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes rippleEffect {
  to {
    opacity: 0;
    transform: scale(4);
  }
}

/* ==============================
   Responsive
================================= */
@media (max-width: 1120px) {
  .hero__grid,
  .about__grid {
    grid-template-columns: 1fr;
  }

  .hero__panel {
    margin: 0 auto;
    max-width: 640px;
    width: 100%;
  }

  .player-inputs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .player-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 840px) {
  .navbar__toggle {
    display: flex;
  }

  .navbar__menu {
    align-items: stretch;
    background: rgba(5, 8, 21, 0.94);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 24px 58px rgba(0, 0, 0, 0.38);
    display: none;
    flex-direction: column;
    left: 22px;
    padding: 12px;
    position: absolute;
    right: 22px;
    top: calc(100% + 10px);
  }

  .navbar__menu.show {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding-top: 116px;
  }

  .player-inputs,
  .player-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer__content {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 560px) {
  .container {
    padding: 0 16px;
  }

  .section {
    padding: 78px 0;
  }

  .hero h1 {
    font-size: 2.45rem;
  }

  .hero__actions .button,
  .picker-actions .button {
    width: 100%;
  }

  .hero-card--main {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-card--main img {
    margin: 0 auto;
    max-width: 190px;
  }

  .player-inputs,
  .player-grid {
    grid-template-columns: 1fr;
  }

  .player-card {
    min-height: 430px;
  }
}