/* === TuHosting redesign — design tokens === */
:root {
  --bg: #fbfbfd;
  --bg-alt: #f5f5f7;
  --bg-dark: #0a0a0c;
  --bg-dark-alt: #131316;
  --fg: #1d1d1f;
  --fg-soft: #424245;
  --fg-muted: #86868b;
  --fg-inv: #f5f5f7;
  --border: rgba(0,0,0,0.08);
  --border-strong: rgba(0,0,0,0.14);
  --border-dark: rgba(255,255,255,0.1);
  --accent: oklch(0.62 0.22 295);
  --accent-hover: oklch(0.56 0.24 295);
  --accent-soft: oklch(0.62 0.22 295 / 0.12);
  --accent-fg: #ffffff;
  --ok: oklch(0.72 0.17 150);
  --warn: oklch(0.75 0.17 70);
  --danger: oklch(0.64 0.22 25);
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.06), 0 10px 30px rgba(0,0,0,0.05);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.12), 0 40px 120px rgba(0,0,0,0.08);
  --font-display: 'Inter Tight', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-text: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --density: 1;
}

:root[data-theme="dark"] {
  --bg: #0a0a0c;
  --bg-alt: #131316;
  --fg: #f5f5f7;
  --fg-soft: #d2d2d7;
  --fg-muted: #86868b;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 80px rgba(0,0,0,0.6);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-text);
  font-size: calc(17px * var(--density));
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; padding: 0; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1440px; margin: 0 auto; padding: 0 24px; }

/* Type scale */
.h-hero {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(56px, 9vw, 128px);
  line-height: 0.98;
  letter-spacing: -0.04em;
}
.h-xxl {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(44px, 6vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.h-xl {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.h-lg {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 2.5vw, 34px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.h-md { font-family: var(--font-display); font-weight: 600; font-size: 22px; letter-spacing: -0.015em; }
.eyebrow {
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.mono { font-family: var(--font-mono); letter-spacing: -0.02em; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 15px;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: var(--accent-fg); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-secondary { background: var(--fg); color: var(--bg); }
.btn-secondary:hover { opacity: 0.88; }
.btn-ghost { background: transparent; color: var(--fg); border: 1px solid var(--border-strong); }
.btn-ghost:hover { background: var(--fg); color: var(--bg); }
.btn-link { color: var(--accent); padding: 0; }
.btn-link:hover { text-decoration: underline; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px; font-weight: 500;
  background: var(--bg-alt);
  color: var(--fg-soft);
  border: 1px solid var(--border);
}
.chip-accent { background: var(--accent-soft); color: var(--accent); border-color: transparent; }

/* Section */
.section { padding: clamp(64px, 10vw, 140px) 0; }
.section-dark { background: var(--bg-dark); color: var(--fg-inv); }
.section-dark .fg-soft, .section-dark .fg-muted { color: rgba(255,255,255,0.7); }

/* Utilities */
.fg-soft { color: var(--fg-soft); }
.fg-muted { color: var(--fg-muted); }
.fg-accent { color: var(--accent); }
.text-balance { text-wrap: balance; }
.text-pretty { text-wrap: pretty; }

/* Grid */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* Card */
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.25s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.section-dark .card { background: var(--bg-dark-alt); border-color: var(--border-dark); }

/* Placeholder imagery */
.placeholder {
  background:
    repeating-linear-gradient(45deg, rgba(127,127,127,0.08) 0 8px, transparent 8px 16px),
    var(--bg-alt);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
  text-align: center;
  padding: 16px;
}

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.9s ease, transform 0.9s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 52px; }
.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-link {
  padding: 8px 14px;
  font-size: 13.5px;
  color: var(--fg-soft);
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
  position: relative;
}
.nav-link:hover { color: var(--fg); }
.submenu {
  position: absolute;
  top: 100%; left: 50%; transform: translateX(-50%) translateY(4px);
  min-width: 260px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.nav-link-wrap:hover .submenu { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.submenu-item { display: block; padding: 10px 12px; border-radius: 8px; font-size: 14px; color: var(--fg); }
.submenu-item:hover { background: var(--bg-alt); }
.submenu-item small { display: block; color: var(--fg-muted); font-size: 12px; margin-top: 2px; }

/* Toggle cluster */
.toggle-group { display: inline-flex; background: var(--bg-alt); border-radius: 999px; padding: 3px; border: 1px solid var(--border); }
.toggle-group button { padding: 6px 12px; font-size: 12px; border-radius: 999px; color: var(--fg-muted); font-weight: 500; }
.toggle-group button.active { background: var(--bg); color: var(--fg); box-shadow: var(--shadow-sm); }
:root[data-theme="dark"] .toggle-group button.active { background: var(--bg-dark-alt); }

/* Tweaks panel */
.tweaks-panel {
  position: fixed;
  right: 20px; bottom: 20px;
  width: 300px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  font-size: 13px;
  overflow: hidden;
}
.tweaks-header { padding: 14px 16px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.tweaks-body { padding: 14px 16px; display: flex; flex-direction: column; gap: 14px; max-height: 70vh; overflow-y: auto; }
.tweak-row { display: flex; flex-direction: column; gap: 6px; }
.tweak-row label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--fg-muted); }
.tweak-row select, .tweak-row input[type="range"] { width: 100%; font-family: inherit; font-size: 13px; padding: 6px 8px; border-radius: 8px; border: 1px solid var(--border-strong); background: var(--bg); color: var(--fg); }
.swatches { display: flex; gap: 6px; }
.swatches button { width: 24px; height: 24px; border-radius: 50%; border: 2px solid transparent; }
.swatches button.active { border-color: var(--fg); }