*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0;
  box-shadow: none;
}

:root {
  --black: #000;
  --black-soft: #111;
  --black-mid: #222;
  --white: #fff;
  --white-soft: #eee;
  --grey: #ccc;
  --font: 'Poppins', sans-serif;
  --font-mono: 'Roboto Mono', 'Courier New', Courier, monospace;
}

html, body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font);
  min-height: 100vh;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url('bg-home.png');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  z-index: 0;
  transition: background-image 0.4s, opacity 0.4s;
}

body.bg-cards::before {
  background-image: url('bg-cards.png');
  opacity: 0.18;
}

.header, .main, .loader-overlay, .modal-overlay {
  position: relative;
  z-index: 1;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--black);
  border-bottom: 1px solid var(--black-mid);
  display: flex;
  align-items: center;
  padding: 0 48px;
  z-index: 100;
}

.header-logo {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--white);
  font-family: var(--font-mono);
  cursor: pointer;
  user-select: none;
}

.main {
  max-width: 1300px;
  margin: 0 auto;
  padding: 180px 40px 160px;
}

.hero {
  margin-bottom: 100px;
}

.hero h1 {
  font-size: clamp(64px, 10vw, 96px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--white);
  font-family: var(--font);
}

.hero-sub {
  font-size: 22px;
  opacity: 0.6;
  margin-top: 20px;
  font-weight: 300;
  letter-spacing: 0.01em;
  font-family: var(--font);
}

.action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 100px;
}

.load-btn {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 300px;
  height: 80px;
  background: var(--black);
  border: 2px solid var(--white);
  color: var(--white);
  font-family: var(--font);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: 0.1em;
  cursor: pointer;
  padding: 0 28px;
  transition: background 0.15s, color 0.15s;
}

.load-btn:hover {
  background: var(--white);
  color: var(--black);
}

.projects-section {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.projects-section.active {
  display: flex;
}

.projects-label {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: lowercase;
  opacity: 0.4;
  margin-bottom: 32px;
  font-family: var(--font-mono);
  text-align: center;
}

.cards {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: flex-start;
  gap: 36px;
  flex-wrap: nowrap;
  margin-bottom: 36px;
}

.card {
  width: 380px;
  flex-shrink: 0;
  border: 1px solid var(--black-mid);
  background: var(--black-soft);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.08s ease-out;
  position: relative;
  will-change: transform;
}

.card:hover {
  border-color: var(--white);
}

.card-img-wrap {
  width: 100%;
  height: 220px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--black);
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  filter: blur(5px) brightness(0.7);
  transition: filter 0.3s;
}

.card:hover .card-img {
  filter: blur(0px) brightness(1);
}

.card-body {
  padding: 24px 28px 30px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  font-family: var(--font);
}

.card-desc {
  font-size: 13px;
  opacity: 0.5;
  letter-spacing: 0.02em;
  font-weight: 300;
  font-family: var(--font);
}

.info-box {
  width: calc(380px * 3 + 36px * 2);
  border: 1px solid var(--black-mid);
  background: var(--black-soft);
  display: flex;
  flex-direction: row;
  overflow: hidden;
}

.info-left {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--black-mid);
}

.info-right {
  width: 340px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  padding: 28px 32px;
  gap: 0;
}

.info-right-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  opacity: 0.35;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.version-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--black-mid);
}

.version-row:last-child {
  border-bottom: none;
}

.version-icon {
  display: flex;
  align-items: center;
  opacity: 0.4;
  flex-shrink: 0;
  margin-top: 2px;
}

.version-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.version-platform {
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  opacity: 0.9;
}

.version-val {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--white);
  opacity: 0.7;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: opacity 0.15s;
}

.version-val:hover {
  opacity: 1;
}

.version-val.copied {
  opacity: 1;
}

.version-date {
  font-family: var(--font-mono);
  font-size: 10px;
  opacity: 0.35;
  letter-spacing: 0.02em;
}

.info-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 28px;
  text-decoration: none;
  color: var(--white);
  border-bottom: 1px solid var(--black-mid);
  transition: background 0.15s;
  cursor: pointer;
  flex: 1;
}

.info-row:last-child {
  border-bottom: none;
}

.info-row:hover {
  background: var(--black-mid);
}

.info-icon {
  display: flex;
  align-items: center;
  opacity: 0.5;
  flex-shrink: 0;
  transition: opacity 0.15s;
}

.info-row:hover .info-icon {
  opacity: 1;
}

.info-key {
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  opacity: 0.9;
  white-space: nowrap;
  min-width: 140px;
}

.info-val {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--white);
  opacity: 0.4;
  letter-spacing: 0.02em;
  flex: 1;
  transition: opacity 0.15s;
}

.info-row:hover .info-val {
  opacity: 0.8;
}

.info-arrow {
  display: flex;
  align-items: center;
  opacity: 0;
  flex-shrink: 0;
  transition: opacity 0.15s, transform 0.15s;
  color: var(--white);
}

.info-row:hover .info-arrow {
  opacity: 0.6;
  transform: translate(2px, -2px);
}

.loader-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 200;
  align-items: center;
  justify-content: center;
}

.loader-overlay.active {
  display: flex;
}

.loader-inner {
  width: 480px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.loader-bar-wrap {
  width: 100%;
  height: 3px;
  background: var(--black-mid);
}

.loader-bar {
  height: 3px;
  width: 0%;
  background: var(--white);
  transition: width 0.08s linear;
}

.loader-pct {
  font-size: 72px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  font-family: var(--font);
}

.loader-msg {
  font-size: 16px;
  opacity: 0.5;
  letter-spacing: 0.08em;
  min-height: 24px;
  font-family: var(--font-mono);
}

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  z-index: 300;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  width: 600px;
  max-width: 90vw;
  background: var(--black-soft);
  border: 1px solid var(--black-mid);
  padding: 52px 52px 44px;
  position: relative;
}

.modal-img-wrap {
  width: calc(100% + 104px);
  margin: -52px -52px 36px -52px;
  height: 220px;
  overflow: hidden;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 2;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
  font-family: var(--font);
}

.modal-description {
  font-size: 14px;
  opacity: 0.6;
  line-height: 1.8;
  margin-bottom: 40px;
  font-weight: 300;
  font-family: var(--font);
}

.modal-script-wrap {
  position: relative;
}

.script-hint {
  font-size: 11px;
  opacity: 0;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  transition: opacity 0.15s;
  color: var(--grey);
  font-family: var(--font-mono);
}

.modal-script-wrap:hover .script-hint {
  opacity: 1;
}

.modal-script {
  font-size: 12px;
  background: var(--black);
  border: 1px solid var(--black-mid);
  padding: 22px;
  word-break: break-all;
  line-height: 1.7;
  cursor: pointer;
  transition: border-color 0.15s;
  color: var(--grey);
  font-family: var(--font-mono);
}

.modal-script:hover {
  border-color: var(--white);
  color: var(--white);
}