/* ============================================================
   DESIGN 2026 — Flat, Typography-First, Bento Layout
   Paleta: #F5F4F0 / #0A0A08 / #FF3300 accent
   ============================================================ */

/* === FONTS (self-hosted) === */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/jetbrains-mono-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/jetbrains-mono-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* === RESET OVERRIDE === */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* === VARIABLES === */
:root {
  --bg:        #F5F4F0;
  --bg-card:   #EFEEEA;
  --fg:        #0A0A08;
  --fg-muted:  #6B6B65;
  --accent:    #FF3300;
  --accent-dim: rgba(255, 51, 0, 0.08);
  --border:    rgba(10, 10, 8, 0.1);
  --border-strong: rgba(10, 10, 8, 0.18);
  --radius-sm: 0px;
  --radius-pill: 999px;
  --nav-h:     64px;
  --max-w:     1200px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Courier New', monospace;
  --ease:      cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:  cubic-bezier(0, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #0C0C0A;
    --bg-card:   #161614;
    --fg:        #F0EFE9;
    --fg-muted:  #8A8A82;
    --border:    rgba(240, 239, 233, 0.08);
    --border-strong: rgba(240, 239, 233, 0.15);
    --accent-dim: rgba(255, 51, 0, 0.12);
  }
}

body.dark-mode {
  --bg:        #0C0C0A;
  --bg-card:   #161614;
  --fg:        #F0EFE9;
  --fg-muted:  #8A8A82;
  --border:    rgba(240, 239, 233, 0.08);
  --border-strong: rgba(240, 239, 233, 0.15);
  --accent-dim: rgba(255, 51, 0, 0.12);
}

/* === BASE === */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans) !important;
  background: var(--bg) !important;
  color: var(--fg) !important;
  line-height: 1.55;
  letter-spacing: -0.015em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Kill old animated gradients — we go flat */
body::before {
  display: none !important;
}

/* === NAVBAR === */
.navbar {
  background: var(--bg) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  border-bottom: 1px solid var(--border) !important;
  box-shadow: none !important;
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background 0.2s var(--ease);
}

.nav-content {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  font-family: var(--font-mono) !important;
  font-size: 0.85rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.12em !important;
  text-transform: uppercase;
  color: var(--fg) !important;
  text-decoration: none;
  background: none !important;
  -webkit-text-fill-color: var(--fg) !important;
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
  opacity: 1;
  transition: opacity 0.15s var(--ease);
}

.nav-logo:hover {
  opacity: 0.6;
}

.nav-links {
  display: flex;
  gap: 2px;
  list-style: none;
}

.nav-links a {
  font-size: 0.82rem !important;
  font-weight: 500 !important;
  letter-spacing: 0.01em;
  color: var(--fg-muted) !important;
  text-decoration: none;
  padding: 6px 14px !important;
  border-radius: var(--radius-pill) !important;
  transition: color 0.15s var(--ease), background 0.15s var(--ease) !important;
  transform: none !important;
}

.nav-links a:hover {
  color: var(--fg) !important;
  background: var(--border) !important;
  transform: none !important;
}

/* Theme toggle */
.theme-toggle {
  background: transparent !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-pill) !important;
  padding: 0 !important;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem !important;
  transition: border-color 0.15s var(--ease), background 0.15s var(--ease) !important;
  transform: none !important;
}

.theme-toggle:hover {
  border-color: var(--fg) !important;
  background: var(--border) !important;
  transform: none !important;
}

/* Mobile toggle */
.mobile-menu-toggle {
  background: transparent !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-pill) !important;
  color: var(--fg) !important;
  font-size: 1.1rem !important;
  width: 36px;
  height: 36px;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0 !important;
}

/* === CONTAINER === */
.container {
  max-width: var(--max-w) !important;
  margin: 0 auto;
  padding: 0 32px;
  background: transparent !important;
}

/* === HEADER / HERO === */
header {
  padding: 120px 0 80px !important;
  text-align: left !important;
  background: transparent !important;
  border-bottom: 1px solid var(--border);
  margin-bottom: 80px;
}

header h1 {
  font-size: clamp(2.8rem, 6vw, 5.5rem) !important;
  font-weight: 900 !important;
  letter-spacing: -0.04em !important;
  line-height: 1.0 !important;
  color: var(--fg) !important;
  background: none !important;
  -webkit-text-fill-color: var(--fg) !important;
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
  text-shadow: none !important;
  margin-bottom: 20px;
}

header p {
  font-size: 1rem !important;
  color: var(--fg-muted) !important;
  font-weight: 400 !important;
  opacity: 1 !important;
  letter-spacing: 0;
}

/* === CONTENT === */
.content {
  padding: 0 !important;
}

/* === HERO SECTION === */
.hero-section {
  text-align: left !important;
  padding: 0 0 64px 0 !important;
  border-bottom: 1px solid var(--border);
  margin-bottom: 64px;
}

.hero-section h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem) !important;
  font-weight: 800 !important;
  letter-spacing: -0.03em !important;
  color: var(--fg) !important;
  margin-bottom: 16px;
  line-height: 1.1;
}

.hero-section p {
  font-size: 0.95rem !important;
  color: var(--fg-muted) !important;
  max-width: 560px;
  line-height: 1.65;
}

/* === SECTION TITLE === */
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem) !important;
  font-weight: 800 !important;
  letter-spacing: -0.03em !important;
  color: var(--fg) !important;
  text-align: left !important;
  margin: 0 0 40px !important;
}

.comparison-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem) !important;
  font-weight: 800 !important;
  letter-spacing: -0.03em !important;
  color: var(--fg) !important;
  text-align: left !important;
  background: none !important;
  -webkit-text-fill-color: var(--fg) !important;
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
  margin: 0 0 40px !important;
}

/* === STATS GRID — bento 2×2 → 4 col === */
.stats-grid {
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 0 !important;
  margin: 0 0 64px !important;
  border: 1px solid var(--border);
}

.stat-card {
  background: var(--bg) !important;
  border: none !important;
  border-right: 1px solid var(--border) !important;
  border-radius: 0 !important;
  padding: 36px 28px !important;
  text-align: left !important;
  box-shadow: none !important;
  will-change: auto !important;
  transform: none !important;
  backface-visibility: unset !important;
  transition: background 0.15s var(--ease) !important;
  position: static !important;
  overflow: visible !important;
}

.stat-card:last-child {
  border-right: none !important;
}

.stat-card::before,
.stat-card::after {
  display: none !important;
}

.stat-card:hover {
  background: var(--bg-card) !important;
  transform: none !important;
  box-shadow: none !important;
}

.stat-card h3 {
  font-size: clamp(1.4rem, 2.5vw, 2.2rem) !important;
  font-weight: 900 !important;
  letter-spacing: -0.04em !important;
  color: var(--fg) !important;
  background: none !important;
  -webkit-text-fill-color: var(--fg) !important;
  -webkit-background-clip: unset !important;
  background-clip: unset !important;
  margin-bottom: 6px;
  line-height: 1.1;
  animation: none !important;
  word-break: break-word;
}

.stat-card p {
  font-size: 0.78rem !important;
  color: var(--fg-muted) !important;
  font-weight: 400;
  line-height: 1.45;
  opacity: 1 !important;
  position: static !important;
}

/* === METHODS GRID — bento asymmetric === */
#metody {
  border-top: 1px solid var(--border);
  padding-top: 64px;
  margin-top: 0;
}

.methods-grid {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 0 !important;
  margin-top: 0 !important;
  border: 1px solid var(--border);
}

.method-card {
  background: var(--bg) !important;
  border-radius: 0 !important;
  border: none !important;
  border-right: 1px solid var(--border) !important;
  border-bottom: 1px solid var(--border) !important;
  padding: 36px 28px !important;
  text-align: left !important;
  box-shadow: none !important;
  will-change: auto !important;
  backface-visibility: unset !important;
  transform: none !important;
  transition: background 0.15s var(--ease) !important;
  position: static !important;
  overflow: visible !important;
}

.method-card:nth-child(3n) {
  border-right: none !important;
}

.method-card::before,
.method-card::after {
  display: none !important;
}

.method-card:hover {
  background: var(--bg-card) !important;
  transform: none !important;
  box-shadow: none !important;
  border-color: var(--border) !important;
}

.method-card h3 {
  font-size: 1.15rem !important;
  font-weight: 700 !important;
  letter-spacing: -0.025em !important;
  color: var(--fg) !important;
  margin-bottom: 10px;
  line-height: 1.25;
  position: static !important;
}

.method-card p {
  font-size: 0.84rem !important;
  color: var(--fg-muted) !important;
  line-height: 1.6;
  position: static !important;
}

/* Difficulty badges */
.method-card .difficulty,
.difficulty {
  display: inline-block;
  padding: 3px 12px !important;
  border-radius: var(--radius-pill) !important;
  font-size: 0.68rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.06em !important;
  text-transform: uppercase !important;
  margin-bottom: 12px !important;
  border: 1px solid !important;
  position: static !important;
}

.easy {
  background: transparent !important;
  color: #1A7A4A !important;
  border-color: rgba(26, 122, 74, 0.3) !important;
}

.medium {
  background: transparent !important;
  color: #A05E00 !important;
  border-color: rgba(160, 94, 0, 0.3) !important;
}

.hard {
  background: transparent !important;
  color: var(--accent) !important;
  border-color: rgba(255, 51, 0, 0.3) !important;
}

.expert {
  background: transparent !important;
  color: #6B3FA0 !important;
  border-color: rgba(107, 63, 160, 0.3) !important;
}

/* Button */
.method-card .btn,
.btn {
  display: inline-block !important;
  margin-top: 18px !important;
  padding: 9px 22px !important;
  background: var(--fg) !important;
  color: var(--bg) !important;
  text-decoration: none;
  border-radius: var(--radius-pill) !important;
  font-weight: 600 !important;
  font-size: 0.78rem !important;
  letter-spacing: 0.02em !important;
  border: none !important;
  box-shadow: none !important;
  transition: opacity 0.15s var(--ease) !important;
  animation: none !important;
  transform: none !important;
  position: static !important;
}

.method-card .btn:hover,
.btn:hover {
  opacity: 0.7 !important;
  transform: none !important;
  box-shadow: none !important;
  animation: none !important;
}

/* === BACK BUTTON === */
.back-button {
  display: inline-block !important;
  margin: 0 0 32px !important;
  padding: 9px 22px !important;
  background: transparent !important;
  color: var(--fg-muted) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-pill) !important;
  font-size: 0.82rem !important;
  font-weight: 500 !important;
  text-decoration: none;
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease) !important;
  transform: none !important;
}

.back-button:hover {
  color: var(--fg) !important;
  border-color: var(--fg) !important;
  background: transparent !important;
  transform: none !important;
}

/* === METHOD DETAIL === */
.method-detail {
  background: var(--bg-card) !important;
  border-radius: 0 !important;
  border: 1px solid var(--border) !important;
  padding: 40px !important;
  margin-bottom: 1px !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
}

.method-detail h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem) !important;
  font-weight: 900 !important;
  letter-spacing: -0.04em !important;
  color: var(--fg) !important;
  margin-bottom: 16px;
  line-height: 1.05;
}

/* === STEPS === */
.steps {
  margin-top: 0;
}

.step {
  background: var(--bg) !important;
  border-radius: 0 !important;
  padding: 28px 32px !important;
  margin: 0 0 1px !important;
  border: 1px solid var(--border) !important;
  border-left: 3px solid var(--accent) !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  transition: background 0.15s var(--ease) !important;
}

.step:hover {
  background: var(--bg-card) !important;
  transform: none !important;
  box-shadow: none !important;
  border-left-color: var(--accent) !important;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px !important;
  height: 32px !important;
  line-height: 1 !important;
  background: var(--fg) !important;
  color: var(--bg) !important;
  border-radius: var(--radius-pill) !important;
  font-weight: 700 !important;
  font-size: 0.78rem !important;
  margin-right: 14px !important;
  box-shadow: none !important;
  transition: none !important;
  font-family: var(--font-mono);
}

.step:hover .step-number {
  transform: none !important;
  box-shadow: none !important;
}

.step h3 {
  font-size: 1.05rem !important;
  font-weight: 700 !important;
  letter-spacing: -0.02em !important;
  color: var(--fg) !important;
  margin-bottom: 10px;
  display: inline;
}

/* === ALGORITHM === */
.algorithm {
  background: var(--accent-dim) !important;
  padding: 10px 18px !important;
  border-radius: 0 !important;
  font-family: var(--font-mono) !important;
  font-weight: 700 !important;
  margin: 12px 0 !important;
  display: inline-block;
  border: 1px solid rgba(255, 51, 0, 0.2) !important;
  font-size: 0.88rem !important;
  letter-spacing: 0.04em !important;
  color: var(--accent) !important;
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease) !important;
  position: static !important;
  transform: none !important;
  box-shadow: none !important;
}

.algorithm:hover {
  background: rgba(255, 51, 0, 0.14) !important;
  border-color: var(--accent) !important;
  transform: none !important;
  box-shadow: none !important;
}

/* === NOTATION === */
.notation {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: 0 !important;
  padding: 40px !important;
  margin: 0 0 1px !important;
  backdrop-filter: none !important;
  box-shadow: none !important;
}

.notation h3 {
  font-size: 1.2rem !important;
  font-weight: 700 !important;
  letter-spacing: -0.025em !important;
  color: var(--fg) !important;
  margin-bottom: 20px;
}

.notation h4 {
  font-size: 0.9rem !important;
  font-weight: 700 !important;
  color: var(--fg) !important;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.notation p {
  color: var(--fg-muted) !important;
  font-size: 0.88rem !important;
}

.notation-item {
  display: inline-block !important;
  background: var(--bg) !important;
  border: 1px solid var(--border-strong) !important;
  border-radius: 0 !important;
  padding: 8px 14px !important;
  margin: 4px !important;
  font-family: var(--font-mono) !important;
  font-weight: 700 !important;
  font-size: 0.82rem !important;
  color: var(--fg) !important;
  box-shadow: none !important;
  transition: background 0.15s var(--ease), color 0.15s var(--ease) !important;
}

.notation-item:hover {
  background: var(--fg) !important;
  color: var(--bg) !important;
  border-color: var(--fg) !important;
  transform: none !important;
  box-shadow: none !important;
}

/* === TIPS BOX === */
.tips-box {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-left: 3px solid var(--fg) !important;
  border-radius: 0 !important;
  padding: 40px !important;
  margin: 0 !important;
  backdrop-filter: none !important;
  box-shadow: none !important;
}

.tips-box h3 {
  font-size: 1.1rem !important;
  font-weight: 700 !important;
  letter-spacing: -0.02em !important;
  color: var(--fg) !important;
  margin-bottom: 20px;
}

.tips-box ul {
  list-style: none !important;
  padding: 0 !important;
}

.tips-box li {
  padding: 10px 0 10px 28px !important;
  color: var(--fg-muted) !important;
  font-size: 0.88rem !important;
  line-height: 1.55;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.tips-box li:last-child {
  border-bottom: none;
}

.tips-box li::before {
  content: '→' !important;
  position: absolute !important;
  left: 0 !important;
  color: var(--accent) !important;
  font-weight: 700 !important;
  font-size: 0.9rem !important;
  top: 10px;
}

.tips-box li strong {
  color: var(--fg) !important;
  font-weight: 600;
}

/* === COMPARISON TABLE === */
#porownanie {
  margin-top: 0 !important;
  border-top: 1px solid var(--border);
  padding-top: 64px;
}

.table-wrapper {
  overflow-x: auto;
  padding: 0 !important;
  margin: 0 !important;
  -webkit-overflow-scrolling: touch;
}

.comparison-table {
  width: 100% !important;
  border-collapse: collapse !important;
  border-spacing: 0 !important;
  background: transparent !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  border: 1px solid var(--border);
}

.comparison-table thead tr {
  background: var(--bg-card) !important;
}

.comparison-table th {
  padding: 16px 20px !important;
  font-size: 0.72rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.08em !important;
  text-transform: uppercase !important;
  color: var(--fg-muted) !important;
  border-bottom: 1px solid var(--border-strong) !important;
  white-space: nowrap;
  background: transparent !important;
  border-top: none !important;
}

.comparison-table tbody tr {
  background: var(--bg) !important;
  transition: background 0.1s var(--ease);
}

.comparison-table tbody tr:nth-child(even) {
  background: var(--bg-card) !important;
}

.comparison-table tbody tr:hover {
  background: var(--border) !important;
}

.comparison-table td {
  padding: 16px 20px !important;
  border-bottom: 1px solid var(--border) !important;
  font-size: 0.88rem;
  color: var(--fg);
  vertical-align: middle;
}

.comparison-table tbody tr:last-child td {
  border-bottom: none !important;
}

.comparison-table .col-method {
  font-weight: 700 !important;
  font-size: 0.92rem !important;
  color: var(--fg) !important;
}

.comparison-table .col-method strong {
  color: var(--fg) !important;
}

.comparison-table .col-method span {
  color: var(--fg-muted) !important;
  opacity: 1 !important;
}

.comparison-table .col-time,
.comparison-table .col-moves {
  color: var(--fg) !important;
  font-family: var(--font-mono) !important;
  font-size: 0.84rem !important;
}

.comparison-table .col-algs {
  font-family: var(--font-mono) !important;
  font-size: 0.84rem !important;
  font-weight: 600 !important;
}

.comparison-table .col-best {
  font-size: 0.84rem !important;
  color: var(--fg-muted) !important;
}

/* Badges — table */
.badge {
  display: inline-block !important;
  padding: 3px 10px !important;
  border-radius: var(--radius-pill) !important;
  font-size: 0.68rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.04em !important;
  text-transform: uppercase;
  border: 1px solid !important;
  background: transparent !important;
}

.badge-beginner {
  color: #1A7A4A !important;
  border-color: rgba(26, 122, 74, 0.35) !important;
  background: transparent !important;
}

.badge-intermediate {
  color: #A05E00 !important;
  border-color: rgba(160, 94, 0, 0.35) !important;
  background: transparent !important;
}

.badge-advanced {
  color: var(--accent) !important;
  border-color: rgba(255, 51, 0, 0.35) !important;
  background: transparent !important;
}

.badge-expert {
  color: #6B3FA0 !important;
  border-color: rgba(107, 63, 160, 0.35) !important;
  background: transparent !important;
}

/* Fix inline badge styles in HTML */
.comparison-table td span[style],
.comparison-table td .badge[style] {
  background: transparent !important;
  font-size: 0.72rem !important;
  padding: 3px 10px !important;
  border-radius: var(--radius-pill) !important;
  border-width: 1px !important;
}

/* === VIDEO === */
.video-container {
  border: 1px solid var(--border) !important;
  border-radius: 0 !important;
  overflow: hidden;
  margin: 24px 0 !important;
}

.video-container iframe {
  border-radius: 0 !important;
}

/* === FOOTER === */
footer {
  background: var(--bg-card) !important;
  border-top: 1px solid var(--border) !important;
  color: var(--fg-muted) !important;
  text-align: left !important;
  padding: 48px 32px !important;
  margin-top: 80px !important;
  backdrop-filter: none !important;
  box-shadow: none !important;
}

footer p {
  font-size: 0.82rem !important;
  line-height: 1.65;
  margin: 6px 0 !important;
  color: var(--fg-muted) !important;
}

footer strong {
  color: var(--fg) !important;
  font-weight: 700;
}

footer a {
  color: var(--fg) !important;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity 0.15s var(--ease);
}

footer a:hover {
  opacity: 0.6;
  color: var(--fg) !important;
}

/* === MOBILE MENU === */
.menu-overlay {
  background: rgba(10, 10, 8, 0.6) !important;
  backdrop-filter: blur(4px) !important;
}

/* === SCROLL REVEAL — keep functionality, refine transform === */
.method-card,
.stat-card,
.step,
.tips-box,
.notation,
.comparison-table,
.method-detail {
  opacity: 0;
  transform: translateY(24px) !important;
  transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out) !important;
}

.scroll-reveal {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* Stagger delays */
.method-card:nth-child(1).scroll-reveal { transition-delay: 0.05s !important; }
.method-card:nth-child(2).scroll-reveal { transition-delay: 0.10s !important; }
.method-card:nth-child(3).scroll-reveal { transition-delay: 0.15s !important; }
.method-card:nth-child(4).scroll-reveal { transition-delay: 0.20s !important; }
.method-card:nth-child(5).scroll-reveal { transition-delay: 0.25s !important; }
.method-card:nth-child(6).scroll-reveal { transition-delay: 0.30s !important; }
.method-card:nth-child(7).scroll-reveal { transition-delay: 0.35s !important; }
.method-card:nth-child(8).scroll-reveal { transition-delay: 0.40s !important; }

.stat-card:nth-child(1).scroll-reveal { transition-delay: 0.05s !important; }
.stat-card:nth-child(2).scroll-reveal { transition-delay: 0.10s !important; }
.stat-card:nth-child(3).scroll-reveal { transition-delay: 0.15s !important; }
.stat-card:nth-child(4).scroll-reveal { transition-delay: 0.20s !important; }

/* Floating particles — remove */
.floating-particles,
.particle {
  display: none !important;
}

/* === RESPONSIVE === */

/* Tablet */
@media (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }

  .nav-content {
    padding: 0 24px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .stat-card {
    border-bottom: 1px solid var(--border) !important;
  }

  .stat-card:nth-child(even) {
    border-right: none !important;
  }

  .stat-card:nth-last-child(-n+2) {
    border-bottom: none !important;
  }

  .methods-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .method-card:nth-child(3n) {
    border-right: 1px solid var(--border) !important;
  }

  .method-card:nth-child(even) {
    border-right: none !important;
  }

  .comparison-title,
  .section-title {
    font-size: 2rem !important;
  }

  header h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem) !important;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --nav-h: 56px;
  }

  .container {
    padding: 0 20px;
  }

  .nav-content {
    padding: 0 20px;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .menu-overlay {
    display: block;
    pointer-events: none;
  }

  .menu-overlay.active {
    pointer-events: auto;
  }

  .nav-links {
    position: fixed !important;
    top: 0 !important;
    right: -100% !important;
    width: 72% !important;
    height: 100vh !important;
    background: var(--bg) !important;
    backdrop-filter: none !important;
    flex-direction: column !important;
    padding: 72px 24px 24px !important;
    gap: 4px !important;
    transition: right 0.35s var(--ease) !important;
    border-left: 1px solid var(--border) !important;
    box-shadow: none !important;
    z-index: 1000 !important;
    overflow-y: auto;
  }

  .nav-links.active {
    right: 0 !important;
  }

  .nav-links li {
    width: 100%;
    margin: 2px 0 !important;
  }

  .nav-links a {
    display: block !important;
    width: 100% !important;
    padding: 12px 16px !important;
    font-size: 1rem !important;
    border-radius: 0 !important;
    border-bottom: 1px solid var(--border);
  }

  header {
    padding: 60px 0 48px !important;
  }

  header h1 {
    font-size: clamp(2rem, 8vw, 3rem) !important;
  }

  .hero-section {
    padding: 0 0 48px 0 !important;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .stat-card {
    border-bottom: 1px solid var(--border) !important;
    padding: 24px 20px !important;
  }

  .stat-card:nth-child(even) {
    border-right: none !important;
  }

  .stat-card:nth-last-child(-n+2) {
    border-bottom: none !important;
  }

  .methods-grid {
    grid-template-columns: 1fr !important;
  }

  .method-card {
    border-right: none !important;
    padding: 28px 20px !important;
  }

  .method-card:nth-child(3n) {
    border-right: none !important;
  }

  .method-detail {
    padding: 28px 20px !important;
  }

  .step {
    padding: 20px 20px !important;
  }

  .notation {
    padding: 28px 20px !important;
  }

  .tips-box {
    padding: 28px 20px !important;
  }

  section h2 {
    font-size: 1.6rem !important;
    margin: 0 0 28px !important;
  }

  .back-button {
    margin-bottom: 24px !important;
  }

  /* Table mobile sticky */
  .comparison-table {
    min-width: 640px !important;
  }

  .comparison-table .col-method {
    position: sticky !important;
    left: 0 !important;
    background: var(--bg) !important;
    z-index: 10 !important;
    box-shadow: 2px 0 0 var(--border) !important;
  }

  .comparison-table thead th.col-method {
    background: var(--bg-card) !important;
  }

  .comparison-table tbody tr:nth-child(even) .col-method {
    background: var(--bg-card) !important;
  }

  footer {
    padding: 36px 20px !important;
    text-align: left !important;
    margin-top: 48px !important;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  header h1 {
    font-size: clamp(1.8rem, 9vw, 2.4rem) !important;
  }

  .stats-grid {
    grid-template-columns: 1fr !important;
  }

  .stat-card {
    border-right: none !important;
    border-bottom: 1px solid var(--border) !important;
  }

  .stat-card:last-child {
    border-bottom: none !important;
  }

  .nav-links {
    width: 88% !important;
  }

  /* Mobile card table */
  .comparison-table,
  .comparison-table thead,
  .comparison-table tbody,
  .comparison-table tr,
  .comparison-table th,
  .comparison-table td {
    display: block !important;
    width: 100% !important;
  }

  .comparison-table {
    min-width: 0 !important;
    border: none !important;
  }

  .comparison-table thead {
    display: none !important;
  }

  .comparison-table tbody tr {
    margin-bottom: 12px !important;
    border: 1px solid var(--border) !important;
    padding: 16px !important;
    background: var(--bg-card) !important;
  }

  .comparison-table tbody tr:hover {
    background: var(--border) !important;
  }

  .comparison-table td {
    border: none !important;
    padding: 6px 0 !important;
    text-align: left !important;
    padding-left: 44% !important;
    position: relative !important;
    font-size: 0.82rem !important;
    min-height: 32px;
  }

  .comparison-table td::before {
    content: attr(data-label);
    position: absolute !important;
    left: 0 !important;
    width: 40%;
    font-weight: 700 !important;
    color: var(--fg-muted) !important;
    font-size: 0.72rem !important;
    top: 6px;
  }

  .comparison-table td:first-child {
    font-size: 1rem !important;
    font-weight: 800 !important;
    padding-left: 0 !important;
    border-bottom: 1px solid var(--border) !important;
    margin-bottom: 8px !important;
    padding-bottom: 10px !important;
  }

  .comparison-table td:first-child::before {
    display: none !important;
  }

  .comparison-table .col-method {
    position: static !important;
    box-shadow: none !important;
    background: transparent !important;
  }
}

/* Landscape */
@media (max-width: 768px) and (orientation: landscape) {
  .nav-links {
    width: 52% !important;
    padding: 56px 20px 20px !important;
  }

  .stats-grid {
    grid-template-columns: repeat(4, 1fr) !important;
  }

  .stat-card:nth-child(even) {
    border-right: 1px solid var(--border) !important;
  }

  .stat-card:last-child {
    border-right: none !important;
  }

  header {
    padding: 40px 0 32px !important;
  }
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* === HIGH CONTRAST === */
@media (prefers-contrast: high) {
  :root {
    --border: rgba(10, 10, 8, 0.3);
    --border-strong: rgba(10, 10, 8, 0.5);
  }
}

/* === PRINT === */
@media print {
  .navbar,
  .btn,
  .back-button,
  .mobile-menu-toggle,
  .menu-overlay,
  .floating-particles {
    display: none !important;
  }

  body {
    background: white !important;
    color: black !important;
  }

  .method-card,
  .stat-card {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}

/* === SAFE AREA === */
@supports (padding: max(0px)) {
  .nav-content {
    padding-left: max(32px, env(safe-area-inset-left));
    padding-right: max(32px, env(safe-area-inset-right));
  }

  .container {
    padding-left: max(32px, env(safe-area-inset-left));
    padding-right: max(32px, env(safe-area-inset-right));
  }
}