/* =========================================================
   Fabio's Tweaking Lab — Premium Design System  v3
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300;0,14..32,400;0,14..32,500;0,14..32,600;0,14..32,700;0,14..32,800;0,14..32,900;1,14..32,400&display=swap');

/* ── Custom Properties ─────────────────────────────────────── */
:root {
  /* Canvas */
  --bg-base:     #050505;
  --bg-surface:  #0a0a0a;
  --bg-card:     rgba(255, 255, 255, 0.02);
  --bg-card-hover: rgba(255, 255, 255, 0.05);

  /* Palette — monochrome white accent */
  --accent:         #ffffff;
  --accent-dim:     rgba(255, 255, 255, 0.08);
  --accent-border:  rgba(255, 255, 255, 0.18);
  --accent-glow:    rgba(255, 255, 255, 0.15);

  /* Secondary tones (desaturated) */
  --cyan:  #c0c0c0;
  --green: #d0d0d0;
  --amber: #d5d5d5;
  --red:   #b0b0b0;

  /* Text */
  --text-primary:   #f5f5f5;
  --text-secondary: #b0b0b0;
  --text-muted:     #707070;

  /* Borders */
  --border:     rgba(255, 255, 255, 0.10);
  --border-mid: rgba(255, 255, 255, 0.16);

  /* Type */
  --font: 'Inter', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', 'Cascadia Code', monospace;

  /* Geometry */
  --r-xs: 4px;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-xl: 24px;
  --r-pill: 999px;

  /* Motion */
  --ease: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: 0.3s cubic-bezier(0, 0, 0.2, 1);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--text-muted) transparent;
  overflow-x: hidden;
}

::-webkit-scrollbar       { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 99px; }

body {
  font-family: var(--font);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  background-image: url('images/background.jpg');
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

img { max-width: 100%; display: block; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }

/* ── Gradient text (monochrome) ────────────────────────────── */
.text-gradient {
  background: linear-gradient(120deg, #ffffff 0%, #b0b0b0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-alt {
  background: linear-gradient(120deg, #e0e0e0 0%, #ffffff 60%, #c0c0c0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Type Scale ────────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.8rem); font-weight: 900; letter-spacing: -0.04em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); letter-spacing: -0.03em; }
h3 { font-size: clamp(1rem, 1.8vw, 1.3rem); }
h4 { font-size: 0.9rem; font-weight: 600; letter-spacing: -0.01em; }
p  { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.65; }

/* Section label — editorial, not pill */
.section-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
  opacity: 0.75;
}

/* ── Layout ────────────────────────────────────────────────── */
.container  { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.section    { padding: 3rem 0; }
.section-sm { padding: 1.5rem 0; }

/* ── Navigation ────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 60px;
  display: flex;
  align-items: center;
  background: rgba(6, 6, 14, 0.6);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: background var(--ease), border-color var(--ease);
}

.navbar.scrolled {
  background: rgba(6, 6, 14, 0.92);
  border-bottom-color: var(--border-mid);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  transition: opacity var(--ease);
  flex-shrink: 0;
}

.nav-logo:hover { opacity: 0.65; }

.nav-logo-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 6px;
}

.nav-logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, #7c5cfc, #b0b0b0);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
  box-shadow: 0 0 12px var(--accent-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-links a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.4rem 0.75rem;
  border-radius: var(--r-sm);
  transition: color var(--ease);
  letter-spacing: 0.01em;
}

.nav-links a:hover { color: var(--text-secondary); }
.nav-links a.active { color: var(--text-primary); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 20px; height: 1.5px;
  background: var(--text-secondary);
  border-radius: 99px;
  transition: transform var(--ease), opacity var(--ease);
}

.hamburger.active span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 60px; left: 0; right: 0;
  background: rgba(6, 6, 14, 0.98);
  backdrop-filter: blur(28px);
  padding: 1rem 1.5rem 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-direction: column;
  gap: 0.15rem;
  z-index: 999;
}

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

.mobile-menu a {
  padding: 0.7rem 0.875rem;
  border-radius: var(--r-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--ease), background var(--ease);
}
.mobile-menu a:hover { color: var(--text-primary); background: rgba(255,255,255,0.03); }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.6rem 1.4rem;
  border-radius: var(--r-md);
  font-family: var(--font);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--ease);
  white-space: nowrap;
  letter-spacing: 0.005em;
  position: relative;
}

.btn-primary {
  background: #ffffff;
  color: #050505;
  font-weight: 700;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.2) inset, 0 1px 2px rgba(0,0,0,0.4);
}

.btn-primary:hover {
  background: #e0e0e0;
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.3) inset, 0 6px 20px rgba(255,255,255,0.1), 0 2px 4px rgba(0,0,0,0.5);
}

.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  color: var(--text-primary);
  border-color: var(--border-mid);
  background: rgba(255,255,255,0.03);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.35);
  background: var(--accent-dim);
  transform: translateY(-1px);
}

.btn-sm { padding: 0.425rem 1rem; font-size: 0.75rem; border-radius: var(--r-sm); }
.btn-lg { padding: 0.8rem 2rem; font-size: 0.875rem; border-radius: var(--r-lg); }

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  transition: border-color var(--ease), background var(--ease), transform var(--ease-out), box-shadow var(--ease-out);
  position: relative;
  overflow: hidden;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255,255,255,0.18);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}

.card-glass {
  background: rgba(255,255,255,0.025);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.065);
}

/* ── Badges ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.18rem 0.6rem;
  border-radius: var(--r-pill);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-purple { background: rgba(255,255,255,0.12); color: #d0d0d0; border: 1px solid rgba(255,255,255,0.2); }
.badge-cyan   { background: rgba(56,189,248,0.1);  color: #7dd3fc; border: 1px solid rgba(56,189,248,0.18); }
.badge-green  { background: rgba(52,211,153,0.1);  color: #6ee7b7; border: 1px solid rgba(52,211,153,0.18); }
.badge-orange { background: rgba(251,191,36,0.1);  color: #fde68a; border: 1px solid rgba(251,191,36,0.18); }
.badge-red    { background: rgba(248,113,113,0.1); color: #fca5a5; border: 1px solid rgba(248,113,113,0.18); }
.badge-gray   { background: rgba(255,255,255,0.05);color: var(--text-secondary); border: 1px solid var(--border); }

/* ── Glow Orbs — subtle, wide ──────────────────────────────── */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.glow-orb-purple { background: radial-gradient(circle, rgba(255,255,255, 0.18) 0%, transparent 70%); }
.glow-orb-cyan   { background: radial-gradient(circle, rgba(56,189,248, 0.12) 0%, transparent 70%); }

/* ── Code Blocks ───────────────────────────────────────────── */
.code-block {
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  margin: 0.875rem 0;
}

.code-block-header {
  background: rgba(255,255,255,0.025);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0.875rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.code-dots { display: flex; gap: 0.35rem; }
.code-dots span { width: 8px; height: 8px; border-radius: 50%; }
.code-dots span:nth-child(1) { background: #ef4444; }
.code-dots span:nth-child(2) { background: #f59e0b; }
.code-dots span:nth-child(3) { background: #22c55e; }

.code-label { font-family: var(--mono); font-size: 0.65rem; color: var(--text-muted); letter-spacing: 0.04em; }

.code-copy {
  font-size: 0.65rem;
  color: var(--text-muted);
  cursor: pointer;
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.15rem 0.4rem;
  font-family: var(--mono);
  transition: all var(--ease);
}

.code-copy:hover         { border-color: var(--accent); color: var(--accent); }
.code-copy.copied        { border-color: var(--green); color: var(--green); }

pre {
  padding: 1.125rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.79rem;
  line-height: 1.8;
  color: #cbd5e1;
}

code { font-family: var(--mono); }

.cmd-keyword { color: #c4b5fd; }
.cmd-string  { color: #86efac; }
.cmd-comment { color: var(--text-muted); font-style: italic; }
.cmd-value   { color: #7dd3fc; }
.cmd-flag    { color: #fde68a; }

/* ── Divider ───────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-mid), transparent);
}

/* ── Step List ─────────────────────────────────────────────── */
.step-list { display: flex; flex-direction: column; gap: 1.75rem; }

.step-item {
  display: flex;
  gap: 1.1rem;
  position: relative;
}

.step-item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 1rem;
  top: 2.2rem;
  bottom: -1.75rem;
  width: 1px;
  background: linear-gradient(180deg, var(--border-mid), transparent);
}

.step-number {
  flex-shrink: 0;
  width: 2rem; height: 2rem;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  margin-top: 0.1rem;
}

.step-content h4 { margin-bottom: 0.35rem; }
.step-content p  { font-size: 0.875rem; margin-bottom: 0.6rem; }

/* ── Info Boxes ────────────────────────────────────────────── */
.info-box {
  display: flex;
  gap: 0.875rem;
  padding: 0.875rem 1.125rem;
  border-radius: var(--r-md);
  margin: 0.875rem 0;
  font-size: 0.84rem;
}

.info-box-warning { background: rgba(251,191,36,0.05);  border: 1px solid rgba(251,191,36,0.18); color: #fde68a; }
.info-box-info    { background: rgba(56,189,248,0.05);  border: 1px solid rgba(56,189,248,0.18);  color: #7dd3fc; }
.info-box-success { background: rgba(52,211,153,0.05);  border: 1px solid rgba(52,211,153,0.18);  color: #6ee7b7; }

.info-box-icon { font-size: 0.95rem; flex-shrink: 0; margin-top: 0.1rem; }
.info-box p    { color: inherit; margin: 0; }

/* ── Stat ──────────────────────────────────────────────────── */
.stat-value {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
}

/* ── Page Hero ─────────────────────────────────────────────── */
.page-hero {
  padding: 9rem 0 5rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}

/* ── Grid Utilities ────────────────────────────────────────── */
.grid-2    { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.grid-3    { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-4    { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 6.5rem 0 2rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--r-pill);
  padding: 0.3rem 0.85rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: #d0d0d0;
  margin-bottom: 1.75rem;
  animation: fadeInDown 0.5s ease both;
  letter-spacing: 0.03em;
}

.hero-badge-dot {
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand p { font-size: 0.84rem; line-height: 1.65; margin: 0.75rem 0 1.25rem; max-width: 250px; color: var(--text-muted); }

.footer-col h5 {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.4rem; }

.footer-col ul a {
  color: var(--text-muted);
  font-size: 0.84rem;
  transition: color var(--ease);
}

.footer-col ul a:hover { color: var(--text-secondary); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-bottom p { font-size: 0.75rem; color: var(--text-muted); margin: 0; }

/* ── Animations ────────────────────────────────────────────── */
@keyframes fadeInDown { from { opacity:0; transform:translateY(-8px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeInUp   { from { opacity:0; transform:translateY(16px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn     { from { opacity:0; } to { opacity:1; } }

@keyframes pulse-dot {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:0.35; transform:scale(0.75); }
}

@keyframes float {
  0%,100% { transform:translateY(0); }
  50%      { transform:translateY(-8px); }
}

@keyframes glow-pulse {
  0%,100% { opacity:0.35; }
  50%      { opacity:0.8; }
}

@keyframes ticker {
  from { transform:translateX(0); }
  to   { transform:translateX(-50%); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible { opacity:1; transform:translateY(0); }

.reveal-delay-1 { transition-delay: 0.07s; }
.reveal-delay-2 { transition-delay: 0.14s; }
.reveal-delay-3 { transition-delay: 0.21s; }
.reveal-delay-4 { transition-delay: 0.28s; }
.reveal-delay-5 { transition-delay: 0.35s; }

/* ── Noise ─────────────────────────────────────────────────── */
.noise-overlay {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.028;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: overlay;
}

/* ── Ticker ────────────────────────────────────────────────── */
.ticker-wrap {
  overflow: hidden;
  background: rgba(255,255,255,0.012);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 0;
}

.ticker-track {
  display: flex;
  white-space: nowrap;
  animation: ticker 50s linear infinite;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0 2.5rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ticker-item .dot {
  width: 2.5px; height: 2.5px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.5;
}

/* ── Guide Card ────────────────────────────────────────────── */
.guide-card { display:flex; flex-direction:column; height:100%; }

.guide-card-header {
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:0.875rem;
}

.guide-card-icon {
  width:2.5rem; height:2.5rem;
  border-radius:var(--r-md);
  display:flex; align-items:center; justify-content:center;
  font-size:1.1rem;
}

.guide-card-meta {
  display:flex; align-items:center; gap:0.45rem;
  font-size:0.7rem; color:var(--text-muted);
  margin-top:auto; padding-top:1rem;
}

.guide-card-meta span { display:flex; align-items:center; gap:0.25rem; }

/* ── Tool Card ─────────────────────────────────────────────── */
.tool-card-logo {
  width:2.75rem; height:2.75rem;
  border-radius:var(--r-md);
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  font-size:1.3rem; margin-bottom:0.875rem;
}

/* ── Search ────────────────────────────────────────────────── */
.search-bar {
  display:flex; align-items:center; gap:0.6rem;
  background:rgba(255,255,255,0.025);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:0.75rem 1rem;
  transition:all var(--ease);
  max-width:480px;
}

.search-bar:focus-within {
  border-color:rgba(255,255,255,0.4);
  box-shadow:0 0 0 3px rgba(255,255,255,0.07);
}

.search-bar input {
  background:none; border:none; outline:none;
  color:var(--text-primary);
  font-family:var(--font); font-size:0.875rem; width:100%;
}
.search-bar input::placeholder { color:var(--text-muted); }

/* ── Filter Pills ──────────────────────────────────────────── */
.filter-pills { display:flex; flex-wrap:wrap; gap:0.375rem; }

.filter-pill {
  padding:0.32rem 0.875rem;
  border-radius:var(--r-pill);
  font-size:0.74rem; font-weight:600;
  background:transparent;
  border:1px solid var(--border);
  color:var(--text-muted);
  cursor:pointer;
  transition:all var(--ease);
  letter-spacing:0.02em;
}

.filter-pill:hover { border-color:rgba(255,255,255,0.25); color:var(--text-secondary); }
.filter-pill.active { background:var(--accent-dim); border-color:var(--accent-border); color:#d0d0d0; }

/* ── KBD ───────────────────────────────────────────────────── */
kbd {
  display:inline-flex; align-items:center;
  padding:0.1rem 0.4rem;
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:4px;
  font-family:var(--mono); font-size:0.7rem;
  color:var(--text-secondary);
}

/* ── Service Tab Overrides (index.html inline styles) ───────── */
.service-tabs {
  display:flex;
  gap:0;
  background:rgba(255,255,255,0.02);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:3px;
  width:fit-content;
  margin:0 auto 3.5rem;
}

.service-tab {
  padding:0.55rem 1.75rem;
  font-size:0.8125rem;
  font-weight:600;
  color:var(--text-muted);
  border-radius:calc(var(--r-lg) - 2px);
  cursor:pointer;
  transition:all var(--ease);
  letter-spacing:0.01em;
  border:none;
  background:none;
  font-family:var(--font);
}

.service-tab:hover { color:var(--text-secondary); }

.service-tab.active {
  background:rgba(255,255,255,0.05);
  color:var(--text-primary);
  box-shadow:0 1px 3px rgba(0,0,0,0.3);
}

.service-panel { display:none; }
.service-panel.active { display:block; }

/* ── Service Cards ─────────────────────────────────────────── */
.service-card {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  overflow:hidden;
  transition:border-color var(--ease), transform var(--ease-out), box-shadow var(--ease-out);
  position:relative;
}

.service-card:hover {
  border-color:rgba(255,255,255,0.25);
  transform:translateY(-3px);
  box-shadow:0 20px 60px rgba(0,0,0,0.5);
}

.service-card.featured {
  border-color:rgba(255,255,255,0.3);
  background:linear-gradient(160deg, rgba(255,255,255,0.04) 0%, rgba(6,6,14,0) 60%);
}

.service-card-header {
  padding:2rem 2rem 1.75rem;
  border-bottom:1px solid var(--border);
}

.service-card-body { padding:1.75rem 2rem 2rem; }

.service-price {
  font-size:2.75rem;
  font-weight:900;
  letter-spacing:-0.04em;
  line-height:1;
}

.service-feature {
  display:flex;
  align-items:flex-start;
  gap:0.65rem;
  padding:0.525rem 0;
  font-size:0.8375rem;
  color:var(--text-secondary);
  border-bottom:1px solid rgba(255,255,255,0.03);
}

.service-feature:last-of-type { border-bottom:none; }

.sf-icon {
  width:1rem; height:1rem;
  border-radius:50%;
  background:var(--accent-dim);
  border:1px solid var(--accent-border);
  display:flex; align-items:center; justify-content:center;
  font-size:0.55rem;
  color:var(--accent);
  flex-shrink:0;
  margin-top:0.15rem;
}

/* ── Overclocking Items ────────────────────────────────────── */
.oc-item {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:1rem 1.25rem;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  transition:border-color var(--ease), background var(--ease);
  gap:1rem;
}

.oc-item:hover { border-color:rgba(255,255,255,0.2); background:rgba(255,255,255,0.02); }

.oc-price {
  font-size:1.2rem;
  font-weight:800;
  color:var(--text-primary);
  white-space:nowrap;
  letter-spacing:-0.02em;
}

.oc-bundle {
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.2);
  border-radius:var(--r-xl);
  padding:1.75rem 2rem;
}

/* ── Contact Links ─────────────────────────────────────────── */
.contact-link {
  display:flex;
  align-items:center;
  gap:1rem;
  padding:1rem 1.25rem;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  transition:all var(--ease);
  text-decoration:none;
  color:inherit;
}

.contact-link:hover {
  border-color:rgba(255,255,255,0.25);
  background:rgba(255,255,255,0.025);
  transform:translateX(3px);
}

.contact-link-icon {
  width:2.5rem; height:2.5rem;
  border-radius:var(--r-sm);
  display:flex; align-items:center; justify-content:center;
  font-size:1.1rem;
  flex-shrink:0;
}

.contact-link-label { font-size:0.63rem; color:var(--text-muted); margin-top:0.05rem; letter-spacing:0.08em; text-transform:uppercase; }
.contact-link-name  { font-size:0.9rem; font-weight:600; letter-spacing:-0.01em; }
.contact-link-arrow { margin-left:auto; color:var(--text-muted); transition:transform var(--ease), color var(--ease); }
.contact-link:hover .contact-link-arrow { transform:translateX(4px); color:var(--text-secondary); }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width:1024px) {
  .grid-4   { grid-template-columns:repeat(2, 1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
}

@media (max-width:768px) {
  .nav-links  { display:none; }
  .hamburger  { display:flex; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns:1fr; }
  .grid-auto  { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:1.75rem; }
  .footer-bottom { flex-direction:column; text-align:center; }
  .hero { padding-top:5rem; }
  .section  { padding:2.5rem 0; }
  .btn-lg   { padding:0.75rem 1.75rem; }

  /* Stats row — 2x2 grid on tablet */
  .stats-row { grid-template-columns:1fr 1fr; gap:0.75rem; }

  /* Result strip — 2 col */
  .result-strip { grid-template-columns:1fr 1fr !important; }

  /* How it works steps */
  .hiw-steps { grid-template-columns:1fr !important; }
  .hiw-step { flex-direction:column; text-align:center; }
  .hiw-step .step-icon { margin:0 auto; }

  /* Comparison table horizontal scroll */
  .cmp-table { overflow-x:auto; -webkit-overflow-scrolling:touch; }

  /* Contact grid */
  .contact-split { grid-template-columns:1fr !important; }
}

@media (max-width:480px) {
  .container { padding:0 1rem; }

  /* Hero compaction */
  .hero { padding:4.5rem 0 1.5rem; }
  h1 { font-size:1.75rem; }
  h2 { font-size:1.35rem; }

  /* Stats row — stack on small phones */
  .stats-row { grid-template-columns:1fr 1fr; gap:0.5rem; }
  .stat-cell-value { font-size:1.5rem; }

  /* Result strip — 1 col */
  .result-strip { grid-template-columns:1fr !important; }

  /* Buttons full width */
  .hero-inner .btn { width:100%; text-align:center; justify-content:center; }

  /* Game perf cards smaller FPS */
  .game-perf-fps { font-size:1.75rem; }

  /* Footer tighter */
  .footer { padding:2rem 0 1rem; }
}

/* ── Comparison Table ──────────────────────────────────────── */
.cmp-table {
  border:2px solid rgba(255,255,255,0.15);
  border-radius:var(--r-xl);
  overflow:hidden;
}

.cmp-header,
.cmp-row {
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr;
  align-items:center;
}

.cmp-header {
  background:rgba(255,255,255,0.04);
  border-bottom:2px solid rgba(255,255,255,0.12);
}

.cmp-row {
  border-bottom:1px solid rgba(255,255,255,0.08);
}

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

.cmp-row:hover {
  background:rgba(255,255,255,0.015);
}

.cmp-cell {
  padding:0.75rem 1.5rem;
  font-size:0.88rem;
}

.cmp-feature-label {
  color:var(--text-primary);
  font-weight:600;
}

.cmp-tier-header {
  text-align:center;
  padding:1.5rem 1rem;
  display:flex;
  flex-direction:column;
  align-items:center;
  border-left:1px solid rgba(255,255,255,0.1);
}

.cmp-tier-featured {
  background:rgba(255,255,255,0.05);
  border-left:2px solid rgba(255,255,255,0.2);
}

.cmp-check,
.cmp-dash {
  text-align:center;
  font-size:0.9rem;
  font-weight:600;
  border-left:1px solid rgba(255,255,255,0.1);
}

.cmp-check {
  color:#ffffff;
}

.cmp-dash {
  color:var(--text-muted);
  font-size:0.8rem;
}

.cmp-cta-row {
  border-bottom:none;
  background:rgba(255,255,255,0.012);
}

.cmp-cta-row:hover { background:rgba(255,255,255,0.012); }

/* featured column background for data rows */
.cmp-row .cmp-cell:nth-child(3) {
  background:rgba(255,255,255,0.035);
  border-left:2px solid rgba(255,255,255,0.15);
}

.cmp-row:hover .cmp-cell:nth-child(3) {
  background:rgba(255,255,255,0.04);
}

@media (max-width:640px) {
  .cmp-header,
  .cmp-row {
    grid-template-columns:1.2fr 0.8fr 0.8fr;
  }

  .cmp-cell { padding:0.6rem 0.75rem; font-size:0.78rem; }
  .cmp-tier-header { padding:1rem 0.5rem; }
  .service-price { font-size:1.5rem !important; }
}

/* ── Compatibility Badges ──────────────────────────────────── */
.compat-badge {
  display:inline-flex;
  align-items:center;
  gap:0.5rem;
  padding:0.55rem 1.1rem;
  border-radius:var(--r-pill);
  font-size:0.88rem;
  font-weight:600;
  color:var(--text-primary);
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border-mid);
  transition:all var(--ease);
  letter-spacing:0.02em;
}

.compat-icon {
  width:18px;
  height:18px;
  object-fit:contain;
  flex-shrink:0;
  filter:brightness(0) invert(1);
  opacity:0.9;
}

.compat-badge:hover {
  border-color:rgba(255,255,255,0.25);
  background:rgba(255,255,255,0.04);
  color:var(--text-primary);
}

/* ── Stat Cards ────────────────────────────────────────────── */
.stat-card {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  padding:1.75rem;
  transition:border-color var(--ease), transform var(--ease-out), box-shadow var(--ease-out);
}

.stat-card:hover {
  border-color:rgba(255,255,255,0.18);
  transform:translateY(-2px);
  box-shadow:0 12px 40px rgba(0,0,0,0.35);
}

.stat-card-icon {
  width:2.5rem;
  height:2.5rem;
  border-radius:var(--r-md);
  border:1px solid;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:1.25rem;
}

.stat-card-value {
  font-size:2rem;
  font-weight:900;
  letter-spacing:-0.04em;
  line-height:1;
  color:var(--text-primary);
  margin-bottom:0.3rem;
}

.stat-card-label {
  font-size:0.65rem;
  font-weight:700;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:0.65rem;
}

.stat-card-desc {
  font-size:0.8rem;
  color:var(--text-secondary);
  line-height:1.5;
  margin:0;
}

@media (max-width:768px) {
  .stats-grid { grid-template-columns:1fr 1fr !important; }
}

@media (max-width:480px) {
  .stats-grid { grid-template-columns:1fr !important; }
}

/* ── FAQ Accordion ─────────────────────────────────────────── */
.faq-item {
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  overflow:hidden;
  transition:border-color var(--ease), background var(--ease);
}

.faq-item:hover {
  border-color:rgba(255,255,255,0.18);
}

.faq-item[open] {
  border-color:rgba(255,255,255,0.25);
  background:rgba(255,255,255,0.02);
}

.faq-question {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:1.125rem 1.5rem;
  cursor:pointer;
  font-size:0.9rem;
  font-weight:600;
  color:var(--text-primary);
  letter-spacing:-0.01em;
  list-style:none;
  transition:color var(--ease);
  user-select:none;
}

.faq-question::-webkit-details-marker { display:none; }
.faq-question::marker { display:none; content:''; }

.faq-question:hover { color:var(--text-primary); }

.faq-icon {
  flex-shrink:0;
  width:1.5rem;
  height:1.5rem;
  border-radius:50%;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:0.85rem;
  font-weight:400;
  color:var(--text-muted);
  transition:transform 0.25s ease, background var(--ease), color var(--ease);
}

.faq-item[open] .faq-icon {
  transform:rotate(45deg);
  background:var(--accent-dim);
  border-color:var(--accent-border);
  color:var(--accent);
}

.faq-answer {
  padding:0 1.5rem 1.25rem;
}

.faq-answer p {
  font-size:0.84rem;
  line-height:1.75;
  color:var(--text-secondary);
  margin:0;
}

/* ── How It Works ──────────────────────────────────────────── */
.hiw-step {
  display:flex;
  align-items:flex-start;
  gap:1.25rem;
  padding:1.5rem 1.75rem;
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  text-align:left;
  transition:border-color var(--ease), background var(--ease), transform var(--ease-out);
}

.hiw-step:hover {
  border-color:rgba(255,255,255,0.2);
  background:rgba(255,255,255,0.02);
  transform:translateY(-2px);
}

.hiw-icon {
  width:3rem;
  height:3rem;
  border-radius:var(--r-md);
  border:1px solid;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}

.hiw-text h4 {
  font-size:1.05rem;
  font-weight:700;
  margin-bottom:0.35rem;
  letter-spacing:-0.02em;
}

.hiw-text p {
  font-size:0.84rem;
  color:var(--text-secondary);
  margin:0;
  line-height:1.65;
}

/* ── Terms / Legal Page ────────────────────────────────────── */
.legal-section {
  padding:2.5rem;
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  margin-bottom:1.5rem;
}

.legal-section h3 {
  font-size:1.1rem;
  margin-bottom:1rem;
  letter-spacing:-0.02em;
}

.legal-section p {
  font-size:0.875rem;
  line-height:1.8;
  margin-bottom:0.75rem;
}

.legal-section p:last-child { margin-bottom:0; }

.legal-section .warning-text {
  color:#a0a0a0;
  font-weight:600;
  font-style:italic;
}

/* ── Page Hero (subpages) ──────────────────────────────────── */
.page-hero {
  padding:8rem 0 2rem;
  background:var(--bg-base);
  position:relative;
  overflow:hidden;
}

.page-hero::before {
  content:'';
  position:absolute;
  inset:0;
  background:radial-gradient(ellipse 60% 50% at 50% -10%, rgba(255,255,255,0.08) 0%, transparent 70%);
  pointer-events:none;
}

/* ── Section-sm (compact spacing) ──────────────────────────── */
.section-sm {
  padding:3.5rem 0;
  position:relative;
}

/* ── Performance Chart Cards ───────────────────────────────── */
.perf-chart-card {
  padding:1.5rem;
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  background:rgba(255,255,255,0.015);
}

.chart-bar-group {
  display:flex;
  flex-direction:column;
  gap:0.5rem;
}

.chart-bar-row {
  display:flex;
  align-items:center;
  gap:0.5rem;
}

.chart-bar-label {
  font-size:0.625rem;
  color:var(--text-secondary);
  width:55px;
  flex-shrink:0;
}

.chart-bar-track {
  flex:1;
  height:8px;
  border-radius:4px;
  background:rgba(255,255,255,0.04);
  overflow:hidden;
}

.chart-bar-fill {
  height:100%;
  border-radius:4px;
  transition:width 0.8s ease;
}

.chart-bar-good {
  background:linear-gradient(90deg, #e0e0e0, #ffffff);
}

.chart-bar-stock {
  background:linear-gradient(90deg, #505050, #707070);
}

.chart-bar-val {
  font-size:0.7rem;
  font-weight:700;
  color:var(--text-primary);
  width:40px;
  text-align:right;
}

/* ── Game Performance Cards ────────────────────────────────── */
.game-perf-card {
  padding:1.25rem;
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  background:rgba(255,255,255,0.015);
  transition:border-color var(--ease), transform var(--ease-out);
}

.game-perf-card:hover {
  border-color:rgba(255,255,255,0.12);
  transform:translateY(-2px);
}

.game-perf-title {
  font-size:0.6rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.16em;
  color:var(--text-secondary);
}

.game-perf-fps {
  font-size:2.25rem;
  font-weight:900;
  letter-spacing:-0.03em;
  line-height:1.1;
  margin:0.25rem 0 0.35rem;
  color:var(--text-primary);
}

.game-perf-fps span {
  font-size:1rem;
  font-weight:700;
  color:var(--text-secondary);
}

.game-perf-increase {
  font-size:0.7rem;
  font-weight:700;
  color:#80c080;
  letter-spacing:0.02em;
  margin-bottom:0.5rem;
}

.game-perf-card p {
  font-size:0.72rem;
  line-height:1.55;
  color:var(--text-secondary);
  margin:0;
}

@media (max-width:640px) {
  .perf-charts { grid-template-columns:1fr !important; }
  .game-perf-cards { grid-template-columns:1fr !important; }
}

/* ── Result Strip ──────────────────────────────────────────── */
.result-strip {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border:1px solid var(--border-mid);
  border-radius:var(--r-lg);
  overflow:hidden;
}

.result-strip-item {
  padding:1rem 1.25rem;
  border-right:1px solid var(--border);
}

.result-strip-item:last-child { border-right:none; }

.result-strip-text-label {
  font-size:0.6rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.14em;
  color:var(--text-secondary);
  margin-bottom:0.35rem;
}

.result-strip-text-val {
  font-size:0.82rem;
  font-weight:600;
  color:var(--text-primary);
  line-height:1.4;
}