/* ==================== RESET & BASE ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: #0a0a0f;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

code {
  font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New", monospace;
}

button {
  -webkit-appearance: none;
  appearance: none;
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0;
}

p {
  line-height: 1.6;
  margin: 0 0 1rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ==================== CSS VARIABLES ==================== */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #14141a;
  --bg-tertiary: #1a1a24;
  --text-primary: #ffffff;
  --text-secondary: #b4b4c8;
  --text-tertiary: #7a7a90;
  --accent-primary: #8B00FF;
  --accent-secondary: #6b00cc;
  --accent-glow: rgba(139, 0, 255, 0.3);
  --border-color: #2a2a38;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* ==================== UTILITIES ==================== */
.container {
  margin: 0 auto;
  max-width: 1200px;
  padding: 0 2rem;
  width: 100%;
}

section {
  border-bottom: 1px solid var(--border-color);
  padding: 8rem 0;
}

section:last-of-type {
  border-bottom: none;
}

.section-header {
  margin-bottom: 4rem;
}

.section-label {
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.section-title {
  color: var(--text-primary);
  font-size: 2.5rem;
  letter-spacing: -0.01em;
  line-height: 1.2;
  text-transform: uppercase;
}

/* ==================== NAVIGATION ==================== */
.nav-header {
  align-items: center;
  backdrop-filter: blur(16px);
  background: linear-gradient(180deg, rgba(10, 10, 15, 0.95), rgba(10, 10, 15, 0.85));
  border-bottom: 1px solid transparent;
  display: flex;
  height: 72px;
  left: 0;
  position: fixed;
  right: 0;
  top: 0;
  transition: all 0.3s;
  z-index: 1000;
}

.nav-header::before {
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  bottom: 0;
  content: "";
  height: 2px;
  left: 0;
  opacity: 0;
  position: absolute;
  right: 0;
  transition: opacity 0.3s;
}

.nav-header.scrolled {
  background: rgba(10, 10, 15, 0.98);
  border-bottom-color: var(--border-color);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.nav-header.scrolled::before {
  opacity: 1;
}

.nav-container {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0;
  max-width: none;
  padding: 0 2rem;
  width: 100%;
}

.nav-brand {
  align-items: center;
  display: flex;
  gap: 0.75rem;
  position: relative;
  z-index: 1;
}

.nav-brand-logo {
  border-radius: 8px;
  filter: drop-shadow(0 0 8px var(--accent-glow));
  height: 32px;
  transition: transform 0.3s;
  width: 32px;
}

.nav-brand:hover .nav-brand-logo {
  transform: scale(1.1);
}

.nav-logo {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  position: relative;
  transition: color 0.3s;
}

.nav-link::after {
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  bottom: -4px;
  content: "";
  height: 2px;
  left: 0;
  opacity: 0;
  position: absolute;
  right: 0;
  transition: opacity 0.3s;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link:hover::after {
  opacity: 1;
}

/* ==================== BUTTONS ==================== */
.btn {
  align-items: center;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  font-size: 0.9rem;
  font-weight: 700;
  justify-content: center;
  letter-spacing: 0.05em;
  padding: 0.85rem 1.75rem;
  text-transform: uppercase;
  transition: all 0.3s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  box-shadow: 0 4px 16px var(--accent-glow);
  color: #ffffff;
}

.btn-primary:hover {
  box-shadow: 0 6px 24px var(--accent-glow);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--accent-primary);
  color: var(--accent-primary);
}

.btn-outline:hover {
  background: var(--accent-primary);
  box-shadow: 0 4px 16px var(--accent-glow);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ==================== HERO SECTION ==================== */
.hero-section {
  align-items: center;
  background: radial-gradient(ellipse at top, rgba(139, 0, 255, 0.1), transparent 50%);
  display: flex;
  min-height: 100vh;
  padding-top: 72px;
  position: relative;
}

.hero-layout {
  align-items: center;
  display: grid;
  gap: 4rem;
  grid-template-columns: 1.2fr 0.8fr;
}

.hero-label {
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.hero-title {
  color: var(--text-primary);
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.hero-description {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

/* ==================== TERMINAL ==================== */
.terminal-window {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
  font-family: var(--font-mono);
  overflow: hidden;
  padding: 1rem;
  position: relative;
}

.terminal-window::before {
  background: radial-gradient(circle at 50% 0%, var(--accent-glow), transparent 70%);
  content: "";
  height: 200px;
  left: 0;
  opacity: 0.3;
  pointer-events: none;
  position: absolute;
  right: 0;
  top: 0;
}

.terminal-header {
  display: flex;
  gap: 6px;
  margin-bottom: 1rem;
  position: relative;
  z-index: 5;
}

.terminal-dot {
  border-radius: 50%;
  height: 12px;
  width: 12px;
}

.terminal-dot.red {
  background: #ff5f57;
}

.terminal-dot.yellow {
  background: #ffbd2e;
}

.terminal-dot.green {
  background: #28ca42;
}

.terminal-content {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
  position: relative;
  z-index: 2;
}

/* ==================== ABOUT SECTION ==================== */
.about-section {
  position: relative;
}

.about-title-row {
  align-items: baseline;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
}

.about-progress-count {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.about-slides-wrapper {
  margin: 0 -2rem;
  overflow: hidden;
  padding: 0 2rem;
  position: relative;
}

.about-nav-btn {
  align-items: center;
  backdrop-filter: blur(8px);
  background: rgba(139, 0, 255, 0.1);
  border: 1px solid var(--accent-primary);
  border-radius: 50%;
  color: var(--accent-primary);
  cursor: pointer;
  display: inline-flex;
  height: 48px;
  justify-content: center;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  transition: all 0.3s;
  width: 48px;
  z-index: 10;
}

.about-nav-btn:hover {
  background: var(--accent-primary);
  box-shadow: 0 0 24px var(--accent-glow);
  color: #ffffff;
}

.about-nav-btn:disabled {
  cursor: not-allowed;
  opacity: 0.3;
}

.about-nav-btn.left {
  left: 0;
}

.about-nav-btn.right {
  right: 0;
}

.about-slides {
  display: flex;
  gap: 2rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.about-slides::-webkit-scrollbar {
  display: none;
}

.about-slide {
  align-items: center;
  display: flex;
  flex: 0 0 100%;
  min-height: 50vh;
  padding: 2rem;
  position: relative;
  scroll-snap-align: center;
}

.about-big-num {
  color: rgba(139, 0, 255, 0.08);
  font-family: var(--font-mono);
  font-size: clamp(280px, 40vw, 480px);
  font-weight: 900;
  left: 0;
  letter-spacing: -0.05em;
  line-height: 1;
  pointer-events: none;
  position: absolute;
  top: 50%;
  transform: translateY(-55%);
  user-select: none;
  z-index: 0;
}

.about-line {
  color: var(--text-primary);
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  letter-spacing: 0.01em;
  line-height: 1.5;
  max-width: 900px;
  position: relative;
  z-index: 1;
}

.about-line-title {
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  margin-right: 0.75rem;
  text-transform: uppercase;
}

.about-line-desc {
  color: var(--text-secondary);
}

.about-progress-bar {
  background: var(--bg-tertiary);
  border-radius: 4px;
  height: 4px;
  margin-top: 1.5rem;
  overflow: hidden;
  position: relative;
}

.about-progress-fill {
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  box-shadow: 0 0 12px var(--accent-glow);
  height: 100%;
  transition: width 0.4s ease;
}

/* ==================== LINKS SECTION ==================== */
.links-terminal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
  font-family: var(--font-mono);
  overflow: hidden;
  position: relative;
}

.links-terminal::after {
  background: repeating-linear-gradient(180deg, transparent, transparent 2px, rgba(255, 255, 255, 0.03) 3px);
  content: "";
  inset: 0;
  mix-blend-mode: overlay;
  opacity: 0.5;
  pointer-events: none;
  position: absolute;
}

.links-terminal-header {
  align-items: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  gap: 8px;
  padding: 0.75rem 1rem;
}

.links-terminal-header .dot {
  border-radius: 50%;
  display: inline-block;
  height: 12px;
  width: 12px;
}

.links-terminal-header .dot.red {
  background: #ff5f57;
}

.links-terminal-header .dot.yellow {
  background: #ffbd2e;
}

.links-terminal-header .dot.green {
  background: #28ca42;
}

.links-terminal-header .term-title {
  color: var(--text-tertiary);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  margin-left: auto;
  text-transform: uppercase;
}

.links-terminal-body {
  padding: 0.5rem;
}

.term-row {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--text-secondary);
  display: grid;
  gap: 1rem;
  grid-template-columns: 3ch 10ch 1fr min-content;
  padding: 1rem 1.25rem;
  position: relative;
  transition: all 0.3s;
}

.term-row:not(:last-child) {
  margin-bottom: 0.25rem;
}

.term-row:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.term-prefix {
  color: var(--text-tertiary);
  font-weight: 600;
}

.term-tag {
  color: var(--accent-primary);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-shadow: 0 0 8px var(--accent-glow);
}

.term-main {
  align-items: baseline;
  display: inline-flex;
  gap: 0.75rem;
  min-width: 0;
}

.term-title {
  font-weight: 700;
  letter-spacing: 0.03em;
  overflow: hidden;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.term-sep {
  color: var(--text-tertiary);
}

.term-desc {
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.term-arrow {
  color: var(--text-tertiary);
  transition: all 0.3s;
}

.term-row:hover .term-arrow {
  color: var(--accent-primary);
  transform: translate(3px, -3px);
}

.links-terminal-footer {
  color: var(--text-tertiary);
  font-size: 0.85rem;
  padding: 0.75rem 1rem 1rem;
}

.links-terminal-footer .caret {
  animation: blink 1.2s steps(1) infinite;
  display: inline-block;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* ==================== TOOLS PAGE ==================== */
.tools-page-section {
  min-height: 100vh;
  padding: 140px 0 4rem;
}

.tools-page-header {
  margin-bottom: 3rem;
  text-align: center;
}

.tools-page-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
  margin: 1.25rem auto 0;
  max-width: 680px;
}

.tools-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.filter-btn {
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  gap: 0.5rem;
  letter-spacing: 0.05em;
  padding: 0.7rem 1.3rem;
  text-transform: uppercase;
  transition: all 0.3s;
}

.filter-btn:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-color: var(--accent-primary);
  box-shadow: 0 4px 16px var(--accent-glow);
  color: #ffffff;
}

.filter-count {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
}

.tools-search-wrapper {
  margin: 0 auto 2.5rem;
  max-width: 600px;
  position: relative;
}

.search-icon {
  color: var(--text-tertiary);
  left: 1.25rem;
  pointer-events: none;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

.tools-search {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 1rem 1.25rem 1rem 3.25rem;
  transition: all 0.3s;
  width: 100%;
}

.tools-search:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
  outline: none;
}

.tools-search::placeholder {
  color: var(--text-tertiary);
}

.tools-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
}

.tool-card {
  animation: fadeInUp 0.6s ease forwards;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  overflow: hidden;
  position: relative;
  transition: all 0.3s;
}

.tool-card::before {
  background: radial-gradient(circle at top, var(--accent-glow), transparent 60%);
  border-radius: 8px;
  content: "";
  inset: -1px;
  opacity: 0;
  position: absolute;
  transition: opacity 0.3s;
  z-index: 0;
}

.tool-card:hover::before {
  opacity: 1;
}

.tool-card:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
  transform: translateY(-6px);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tool-image {
  background: var(--bg-tertiary);
  height: 220px;
  overflow: hidden;
  position: relative;
  width: 100%;
}

.tool-image img {
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
  width: 100%;
}

.tool-card:hover .tool-image img {
  transform: scale(1.1);
}

.tool-placeholder {
  align-items: center;
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
  display: flex;
  height: 100%;
  justify-content: center;
  width: 100%;
}

.tool-placeholder svg {
  color: var(--text-tertiary);
  height: 80px;
  opacity: 0.25;
  width: 80px;
}

.tool-badge {
  backdrop-filter: blur(12px);
  background: rgba(139, 0, 255, 0.9);
  border: 1px solid var(--accent-primary);
  border-radius: 4px;
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  left: 0.75rem;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.7rem;
  position: absolute;
  text-shadow: 0 0 8px rgba(0, 0, 0, 0.5);
  text-transform: uppercase;
  top: 0.75rem;
  z-index: 10;
}

.tool-format-badge {
  backdrop-filter: blur(12px);
  background: rgba(0, 0, 0, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.6rem;
  position: absolute;
  right: 0.75rem;
  text-transform: uppercase;
  top: 0.75rem;
  z-index: 10;
}

.tool-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.75rem;
  position: relative;
  z-index: 1;
}

.tool-name {
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.tool-description {
  color: var(--text-secondary);
  display: block;
  flex: 1;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
  max-height: 4.8em; /* 3 строки */
  overflow: hidden;
  position: relative;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.tool-description::after {
  background: linear-gradient(to bottom, transparent 0%, var(--bg-secondary) 100%);
  bottom: 0;
  content: "";
  height: 2em;
  left: 0;
  opacity: 1;
  pointer-events: none;
  position: absolute;
  right: 0;
  transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.tool-description.expanded {
  max-height: 1000px; /* Достаточно большое значение */
}

.tool-description.expanded::after {
  opacity: 0;
}

.tool-expand-btn {
  align-self: flex-start;
  background: none;
  border: none;
  color: var(--accent-primary);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
  padding: 0;
  position: relative;
  text-transform: uppercase;
  transition: all 0.3s;
}

.tool-expand-btn::before {
  background: var(--accent-primary);
  bottom: -2px;
  content: "";
  height: 1px;
  left: 0;
  opacity: 0;
  position: absolute;
  right: 0;
  transition: opacity 0.3s;
}

.tool-expand-btn:hover::before {
  opacity: 1;
}

.tool-expand-btn:hover {
  opacity: 0.8;
}

/* Иконка стрелки для кнопки */
.tool-expand-btn::after {
  content: "▼";
  display: inline-block;
  font-size: 0.7em;
  margin-left: 0.5em;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.tool-expand-btn.expanded::after {
  transform: rotate(180deg);
}

.tool-actions {
  align-items: center;
  display: flex;
  gap: 0.75rem;
  margin-top: auto;
}

.tool-download-btn {
  align-items: center;
  background: linear-gradient(135deg, rgba(139, 0, 255, 0.2), rgba(139, 0, 255, 0.1));
  border: 1px solid var(--accent-primary);
  border-radius: 6px;
  color: var(--text-primary);
  cursor: pointer;
  display: inline-flex;
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  gap: 0.5rem;
  justify-content: center;
  letter-spacing: 0.05em;
  padding: 0.85rem 1.5rem;
  text-decoration: none;
  text-transform: uppercase;
  transition: all 0.3s;
}

.tool-download-btn:hover {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  box-shadow: 0 6px 20px var(--accent-glow);
  color: #ffffff;
}

.tool-download-btn.disabled {
  cursor: not-allowed;
  opacity: 0.4;
  pointer-events: none;
}

.tool-download-btn svg {
  height: 16px;
  width: 16px;
}

.tool-password-btn {
  align-items: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  height: 48px;
  justify-content: center;
  padding: 0 1rem;
  position: relative;
  transition: all 0.3s;
  width: 48px;
}

.tool-password-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.tool-password-btn svg {
  height: 18px;
  width: 18px;
}

.tool-password-btn.no-password {
  cursor: default;
  opacity: 0.3;
}

.tool-password-btn.no-password:hover {
  border-color: var(--border-color);
  color: var(--text-secondary);
}

.password-tooltip {
  backdrop-filter: blur(12px);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border: 1px solid var(--accent-primary);
  border-radius: 6px;
  bottom: calc(100% + 14px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
  opacity: 0;
  padding: 0.85rem 1.15rem;
  pointer-events: none;
  position: absolute;
  right: 0;
  transform: translateY(8px);
  transition: all 0.3s;
  visibility: hidden;
  white-space: nowrap;
  z-index: 100;
}

.password-tooltip::after {
  border: 8px solid transparent;
  border-top-color: var(--accent-primary);
  content: "";
  position: absolute;
  right: 16px;
  top: 100%;
}

.tool-password-btn:hover .password-tooltip {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.password-label {
  color: rgba(255, 255, 255, 0.7);
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}

.password-value {
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.tools-loading {
  align-items: center;
  color: var(--text-tertiary);
  display: flex;
  flex-direction: column;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  gap: 1.5rem;
  justify-content: center;
  min-height: 450px;
}

.loading-spinner {
  animation: spin 1s linear infinite;
  border: 3px solid var(--border-color);
  border-radius: 50%;
  border-top-color: var(--accent-primary);
  height: 52px;
  width: 52px;
}

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

.tools-empty {
  align-items: center;
  color: var(--text-tertiary);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  min-height: 450px;
}

.tools-empty svg {
  opacity: 0.25;
}

.tools-empty p {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
  text-transform: uppercase;
}

.tools-empty-hint {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  opacity: 0.7;
}

/* ==================== FOOTER ==================== */
.footer {
  border-top: 1px solid var(--border-color);
  margin-top: 4rem;
  padding: 3.5rem 0;
}

.footer-inner {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.footer-logo {
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.footer-copy {
  color: var(--text-tertiary);
  display: inline-block;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-link {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.3s;
}

.footer-link:hover {
  color: var(--accent-primary);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }

  section {
    padding: 5rem 0;
  }

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

  .hero-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }

  .hero-description {
    font-size: 1rem;
    margin: 0 auto 2rem;
  }

  .hero-actions {
    flex-direction: column;
    gap: 0.75rem;
  }

  .btn {
    width: 100%;
  }

  .nav-links {
    display: none;
  }

  .footer-inner {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }

  .tools-grid {
    grid-template-columns: 1fr;
  }

  .tools-filter-bar {
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.75rem;
  }

  .filter-btn {
    flex-shrink: 0;
    font-size: 0.75rem;
    padding: 0.6rem 1.1rem;
  }

  .tool-image {
    height: 200px;
  }

  .tool-actions {
    flex-direction: column;
  }

  .tool-download-btn {
    width: 100%;
  }

  .tool-password-btn {
    width: 100%;
  }

  .about-nav-btn {
    height: 40px;
    width: 40px;
  }

  .about-nav-btn.left {
    left: 1rem;
  }

  .about-nav-btn.right {
    right: 1rem;
  }
}