@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 900px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --color-transition: background-color 0.8s cubic-bezier(0.16, 1, 0.3, 1), color 0.8s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.8s ease;

  --bg-color: #ffffff;
  --text-primary: #09090b;
  --text-secondary: #52525b;
  --text-muted: #a1a1aa;
  --border-color: #e4e4e7;
  
}

[data-theme="dark"] {
  
  --bg-color: #09090b;
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #52525b;
  --border-color: #27272a;

}

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

html, body {
  overflow-x: hidden;
  max-width: 100%;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  transition: var(--color-transition);
  display: flex;
  flex-direction: column;
  animation: pageEnter 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.container {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
}

header {
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-color);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--color-transition);
}
.header-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}
.logo {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: var(--color-transition);
}

.logo-img {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  object-fit: contain;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-link-desktop {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 4px;
  transition: var(--color-transition);
}
.nav-link-desktop:hover {
  color: var(--text-primary);
}

.nav-link-desktop.active {
  color: var(--text-primary);
  border-bottom: 2px solid var(--text-primary);
}

.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.45rem;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--color-transition);
}
.theme-toggle-btn:hover {
  background-color: rgba(9, 9, 11, 0.04);
}
[data-theme="dark"] .theme-toggle-btn:hover {
  background-color: rgba(255, 255, 255, 0.04);
}

.menu-toggle-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
  width: 36px;
  height: 36px;
  position: relative;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.hamburger-bar {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center;
}
.menu-toggle-btn.active .hamburger-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.menu-toggle-btn.active .hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.menu-toggle-btn.active .hamburger-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  top: 80px;
  right: 0;
  width: 45vw;
  height: calc(100vh - 80px);
  max-height: calc(100vh - 80px);
  background: transparent;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-left: 1px solid var(--border-color);
  z-index: 1000;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  padding: 2rem 1.5rem;
  gap: 0.25rem;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu-close {
  display: none;
}

.nav-link-mobile {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s ease, padding-left 0.3s ease;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.6rem 0.75rem;
  border-radius: 4px;
  position: relative;
}
.nav-link-mobile::before {
  content: "";
  width: 3px;
  height: 0;
  background: var(--text-primary);
  border-radius: 2px;
  transition: height 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}
.nav-link-mobile:hover {
  color: var(--text-primary);
}

.nav-link-mobile.active {
  color: var(--text-primary);
  font-weight: 700;
}
.nav-link-mobile.active::before {
  height: 16px;
}

.mobile-menu-network {
  margin-top: auto;
  padding-top: 1.1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.mobile-menu-network__label {
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 0.5rem 0.6rem;
}
.mobile-menu-network__link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.55rem 0.6rem;
  border-radius: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  transition: var(--color-transition), background-color 0.25s ease;
}
.mobile-menu-network__link:hover,
.mobile-menu-network__link:active {
  color: var(--text-primary);
  background-color: rgba(9, 9, 11, 0.045);
}
[data-theme="dark"] .mobile-menu-network__link:hover,
[data-theme="dark"] .mobile-menu-network__link:active {
  background-color: rgba(255, 255, 255, 0.06);
}
.mobile-menu-network__icon {
  flex-shrink: 0;
}

.hero-section {
  padding: 6rem 0 5rem 0;
  border-bottom: 1px solid var(--border-color);
  transition: var(--color-transition);
  position: relative;
  overflow: hidden;
}
.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}
.hero-section .container {
  position: relative;
  z-index: 2;
}
.hero-prefix {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  transition: var(--color-transition);
}
.hero-title {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}
.hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 620px;
  line-height: 1.7;
  transition: var(--color-transition);
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}
.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: var(--color-transition), transform 0.2s ease, opacity 0.2s ease;
  text-decoration: none;
}
.hero-btn svg {
  transition: transform 0.2s ease;
}
.hero-btn--primary {
  background-color: var(--text-primary);
  color: var(--bg-color);
  border: 1px solid var(--text-primary);
}
.hero-btn--primary:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}
.hero-btn--primary:hover svg {
  transform: translateX(3px);
}
.hero-btn--outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.hero-btn--outline:hover {
  border-color: var(--text-primary);
  transform: translateY(-1px);
}

main {
  flex: 1;
}
.main-content {
  padding: 5rem 0 6rem 0;
}
.content-block {
  margin-bottom: 3.5rem;
}
.content-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  transition: var(--color-transition);
}
.content-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 720px;
  margin-bottom: 1.5rem;
  line-height: 1.7;
  transition: var(--color-transition);
}
.content-list {
  margin-left: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: var(--color-transition);
}
.content-list li {
  margin-bottom: 0.5rem;
}

.research-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 1.75rem 2rem;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  margin-bottom: 3.5rem;
  transition: var(--color-transition), border-color 0.25s ease;
}
.research-callout:hover {
  border-color: var(--text-primary);
}
.research-callout__text h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}
.research-callout__text p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 480px;
}

.subscribe-section {
  border-top: 1px solid var(--border-color);
  padding-top: 3.5rem;
  margin-top: 4rem;
  transition: var(--color-transition);
}
.subscribe-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  transition: var(--color-transition);
}
.subscribe-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  transition: var(--color-transition);
}
.subscribe-form {
  display: flex;
  gap: 0.5rem;
  max-width: 420px;
}
.email-input {
  flex: 1;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.9rem;
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-primary);
  transition: var(--transition);
}
.email-input:focus {
  outline: none;
  border-color: var(--text-primary);
}

.email-input.error {
  border-color: #ef4444;
  background-color: rgba(239, 68, 68, 0.03);
}
.email-input.error {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.3) !important;
}

.submit-btn {
  padding: 0.55rem 1.25rem;
  background-color: var(--text-primary);
  color: var(--bg-color);
  border: 1px solid var(--text-primary);
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--color-transition);
}
.submit-btn:hover {
  opacity: 0.85;
}
.submit-btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}
.submit-btn:disabled:hover {
  opacity: 0.55;
}

.form-msg {
  font-size: 0.85rem;
  margin-top: 0.6rem;
  font-weight: 500;
  display: none;
  line-height: 1.4;
  animation: fadeInError 0.25s ease-out;
}
.form-msg.success {
  display: block;
  color: #16a34a;
}
[data-theme="dark"] .form-msg.success {
  color: #4ade80;
}
.form-msg.error {
  display: block;
  color: #dc2626;
}
[data-theme="dark"] .form-msg.error {
  color: #f87171;
}

.error-msg {
  font-size: 0.825rem;
  color: #dc2626;
  margin-top: 0.5rem;
  font-weight: 500;
  display: none;
  animation: fadeInError 0.2s ease-out;
}
[data-theme="dark"] .error-msg {
  color: #f87171;
}

footer {
  border-top: 1px solid var(--border-color);
  padding: 1.5rem 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  transition: var(--color-transition);
}

@keyframes fadeInError {
  from { opacity: 0; transform: translateY(-3px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-transition {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-color);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.8s ease;
}
.page-transition.active {
  opacity: 1;
  pointer-events: all;
}

@keyframes pageEnter {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }
  .menu-toggle-btn {
    display: flex;
  }
  .hero-title {
    font-size: 2.25rem;
  }
  .subscribe-form {
    flex-direction: column;
  }
  .mobile-menu {
    background: transparent;
  }
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
  margin-bottom: 4rem;
}

@media (max-width: 420px) {
  .research-grid {
    grid-template-columns: 1fr;
  }
}

.research-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.85rem;
  padding: 4.5rem 2rem;
  border: 1px dashed var(--border-color);
  border-radius: 8px;
  background: var(--bg-color);
  transition: var(--color-transition);
}

.research-empty__icon {
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.research-empty__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.research-empty__desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 420px;
  margin: 0;
}

.torch-card {
  --mouse-x: 50%;
  --mouse-y: 50%;
  position: relative;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  transition:
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.torch-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.07);
}

.torch-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 9px;
  padding: 1px;
  background: radial-gradient(
    300px circle at var(--mouse-x) var(--mouse-y),
    var(--text-primary),
    transparent 70%
  );
  
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 10;
}

.torch-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 8px;
  background: radial-gradient(
    350px circle at var(--mouse-x) var(--mouse-y),
    rgba(255, 255, 255, 0.045),
    transparent 70%
  );
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 1;
}

[data-theme="light"] .torch-card::after {
  background: radial-gradient(
    350px circle at var(--mouse-x) var(--mouse-y),
    rgba(0, 0, 0, 0.025),
    transparent 70%
  );
}

.torch-card:hover::before,
.torch-card:hover::after {
  opacity: 1;
}

.torch-card__url-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border-color);
  font-family: monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  position: relative;
  z-index: 2;
  border-radius: 8px 8px 0 0;
  background: var(--bg-color);
}

.torch-card__url-proto {
  color: var(--text-secondary);
}
.torch-card__url-sep {
  opacity: 0.4;
}
.torch-card__url-slug {
  color: var(--text-primary);
  font-weight: 600;
}

.torch-card__banner {
  position: relative;
  width: 100%;
  height: 150px;
  background: var(--bg-color);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 2;
}

.torch-card__icon {
  position: relative;
  z-index: 2;
  width: 60px;
  height: 60px;
  object-fit: contain;
  
  filter: invert(1) drop-shadow(0 4px 12px rgba(0, 0, 0, 0.12));
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s ease;
}
[data-theme="dark"] .torch-card__icon {
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.12));
}

.torch-card:hover .torch-card__icon {
  transform: scale(1.1);
}

.torch-card__platforms {
  position: absolute;
  bottom: 8px;
  right: 10px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  padding: 0.3rem 0.6rem;
  border-radius: 16px;
}

.torch-card__plat-icon {
  width: 13px;
  height: 13px;
  fill: currentColor;
  color: var(--text-muted);
  transition: color 0.2s ease, transform 0.2s ease;
}

.torch-card__plat-icon:hover {
  color: var(--text-primary);
  transform: scale(1.2);
}

.torch-card__body {
  padding: 1.35rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  position: relative;
  z-index: 2;
  background: var(--bg-color);
  border-radius: 0 0 8px 8px;
}

.torch-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.7rem;
}

.torch-card__tag {
  font-size: 0.68rem;
  font-family: monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
}

.torch-card__date {
  font-size: 0.72rem;
  font-family: monospace;
  color: var(--text-muted);
}

.torch-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.torch-card__desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.25rem;
  flex: 1;
}

.torch-card__actions {
  display: flex;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  margin-top: auto;
}

.torch-card__btn {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  transition: all 0.2s ease;
}

.torch-card__btn:hover {
  background: var(--text-primary);
  color: var(--bg-color);
  border-color: var(--text-primary);
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-container {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  width: 90%;
  max-width: 720px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 2.25rem;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  transform: scale(0.95) translateY(8px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-container {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  background: var(--text-primary);
  color: var(--bg-color);
}