/* ==========================================================================
   NANOMATH — shared stylesheet
   Themes: dark (default) + light, toggled via [data-theme] on <html>
   ========================================================================== */

:root,
:root[data-theme="dark"] {
  --bg: #050712;
  --bg-2: #090c1a;
  --panel: rgba(14, 18, 36, 0.6);
  --panel-solid: #0e1224;
  --panel-hi: rgba(22, 28, 52, 0.85);
  --border: rgba(148, 163, 184, 0.14);
  --border-hi: rgba(148, 163, 184, 0.28);
  --text: #f3f5fb;
  --text-dim: #9aa3b5;
  --text-mute: #5a6478;
  --teal: #4fd1c5;
  --violet: #8b6dff;
  --amber: #fbbf24;
  --pink: #f472b6;
  --grad: linear-gradient(135deg, #4fd1c5 0%, #8b6dff 100%);
  --grid-line: rgba(148,163,184,0.035);
  --orb-a: rgba(79, 209, 197, 0.08);
  --orb-b: rgba(139, 109, 255, 0.08);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
  --code-bg: rgba(15, 23, 42, 0.6);
}

:root[data-theme="light"] {
  --bg: #f7f8fb;
  --bg-2: #eef1f6;
  --panel: rgba(255, 255, 255, 0.7);
  --panel-solid: #ffffff;
  --panel-hi: rgba(255, 255, 255, 0.95);
  --border: rgba(15, 23, 42, 0.08);
  --border-hi: rgba(15, 23, 42, 0.18);
  --text: #0a0c1a;
  --text-dim: #4a5568;
  --text-mute: #8a93a5;
  --teal: #0d9488;
  --violet: #6d4cd9;
  --amber: #d97706;
  --pink: #db2777;
  --grad: linear-gradient(135deg, #0d9488 0%, #6d4cd9 100%);
  --grid-line: rgba(15, 23, 42, 0.04);
  --orb-a: rgba(13, 148, 136, 0.08);
  --orb-b: rgba(109, 76, 217, 0.08);
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  --code-bg: rgba(15, 23, 42, 0.04);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Geist', system-ui, -apple-system, sans-serif;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  transition: background 0.4s ease, color 0.4s ease;
}
body::before {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(circle at 10% 0%, var(--orb-a), transparent 40%),
    radial-gradient(circle at 90% 10%, var(--orb-b), transparent 45%);
  transition: background 0.4s ease;
}
body::after {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}

.page { max-width: 1240px; margin: 0 auto; padding: 20px 24px 48px; position: relative; z-index: 1; }
.page-narrow { max-width: 920px; }
.mono { font-family: 'Geist Mono', ui-monospace, monospace; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

a { color: inherit; }

/* ============================ NAV ============================ */
.nav {
  display: flex; align-items: center; gap: 16px;
  padding: 10px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  margin-bottom: 24px;
  transition: background 0.4s, border-color 0.4s;
}
.nav-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); }
.logo-mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--grad);
  display: grid; place-items: center;
  box-shadow: 0 0 20px -6px rgba(79,209,197,0.4), inset 0 1px 0 rgba(255,255,255,0.2);
  position: relative; flex-shrink: 0;
}
.logo-mark::before {
  content: ''; position: absolute; inset: 4px; border-radius: 5px;
  background: linear-gradient(135deg, var(--bg) 0%, color-mix(in srgb, var(--bg) 70%, transparent) 100%);
}
.logo-mark::after {
  content: '∫'; position: relative; z-index: 1;
  font-family: 'Geist Mono', monospace; font-weight: 600; font-size: 15px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-title { font-size: 13.5px; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600; }
.logo-sub { font-size: 10px; color: var(--text-dim); font-family: 'Geist Mono', monospace; letter-spacing: 0.04em; }

.nav-links { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav-link {
  padding: 7px 12px; border-radius: 8px;
  color: var(--text-dim); text-decoration: none; font-size: 13px; font-weight: 500;
  transition: all 0.15s;
}
.nav-link:hover { color: var(--text); background: color-mix(in srgb, var(--text) 6%, transparent); }
.nav-link.active { color: var(--text); background: color-mix(in srgb, var(--text) 8%, transparent); }
.nav-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 12px; border-radius: 8px;
  background: color-mix(in srgb, var(--text) 6%, transparent);
  border: 1px solid var(--border);
  color: var(--text); font-size: 13px; font-weight: 500; text-decoration: none;
}
.nav-pill-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--teal); box-shadow: 0 0 10px color-mix(in srgb, var(--teal) 50%, transparent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.4; } }

/* theme toggle */
.theme-toggle {
  width: 36px; height: 36px; border-radius: 10px;
  background: color-mix(in srgb, var(--text) 5%, transparent);
  border: 1px solid var(--border);
  color: var(--text); cursor: pointer;
  display: grid; place-items: center;
  transition: all 0.2s; margin-left: 8px;
  flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--border-hi); background: color-mix(in srgb, var(--text) 8%, transparent); }
.theme-toggle svg { width: 16px; height: 16px; }
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .moon { display: block; }
:root[data-theme="light"] .theme-toggle .sun { display: block; }
:root[data-theme="light"] .theme-toggle .moon { display: none; }

/* mobile nav */
.nav-mobile-toggle {
  display: none;
  width: 36px; height: 36px; border-radius: 10px;
  background: color-mix(in srgb, var(--text) 5%, transparent);
  border: 1px solid var(--border);
  color: var(--text); cursor: pointer;
  align-items: center; justify-content: center;
}

/* ============================ BUTTONS ============================ */
.btn {
  padding: 10px 18px; border-radius: 10px;
  font-size: 13.5px; font-weight: 600; text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.2s; cursor: pointer; border: 1px solid transparent;
  font-family: 'Geist', sans-serif; line-height: 1;
}
.btn-primary {
  background: var(--grad); color: #0a0c1a;
  box-shadow: 0 8px 24px -8px color-mix(in srgb, var(--teal) 50%, transparent);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 28px -8px color-mix(in srgb, var(--teal) 50%, transparent); }
.btn-ghost {
  background: var(--panel); color: var(--text); border-color: var(--border-hi);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: var(--panel-hi); border-color: color-mix(in srgb, var(--text) 30%, transparent); }
.btn-ghost .code { font-family: 'Geist Mono', monospace; font-size: 12px; color: var(--teal); }

/* ============================ HERO (home) ============================ */
.hero { text-align: center; padding: 56px 0 48px; margin-bottom: 24px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px; margin-bottom: 28px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 999px;
  font-family: 'Geist Mono', monospace; font-size: 11px; color: var(--text-dim);
  letter-spacing: 0.08em;
}
.hero-tag .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 8px color-mix(in srgb, var(--teal) 50%, transparent); }
.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 500; letter-spacing: -0.035em; line-height: 1;
  margin-bottom: 24px;
}
.hero h1 .thin { font-weight: 300; color: var(--text-dim); }
.hero p.lede {
  font-size: 17px; line-height: 1.55; color: var(--text-dim);
  max-width: 620px; margin: 0 auto 32px;
}
.hero p.lede strong { color: var(--text); font-weight: 500; }
.hero-meta {
  display: inline-flex; gap: 16px; padding: 8px 18px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 999px;
  font-family: 'Geist Mono', monospace; font-size: 11px; color: var(--text-mute);
  letter-spacing: 0.05em; flex-wrap: wrap; justify-content: center;
}
.hero-meta .v { color: var(--border-hi); }
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }

/* ============================ PAGE HERO (inner pages) ============================ */
.page-hero {
  padding: 56px 0 40px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.page-hero .crumbs {
  display: flex; align-items: center; gap: 8px;
  font-family: 'Geist Mono', monospace; font-size: 11px; color: var(--text-mute);
  letter-spacing: 0.08em; margin-bottom: 20px;
}
.page-hero .crumbs a { color: var(--text-dim); text-decoration: none; }
.page-hero .crumbs a:hover { color: var(--text); }
.page-hero .crumbs .sep { color: var(--text-mute); }
.page-hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 500; letter-spacing: -0.03em; line-height: 1.05;
  margin-bottom: 16px; max-width: 800px;
}
.page-hero .lede {
  font-size: 17px; line-height: 1.55; color: var(--text-dim);
  max-width: 680px;
}
.page-hero .lede strong { color: var(--text); font-weight: 500; }
.page-hero .accent-bar {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 5px 12px; margin-bottom: 24px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 999px;
  font-family: 'Geist Mono', monospace; font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
}
.page-hero .accent-bar .dot { width: 6px; height: 6px; border-radius: 50%; }
[data-accent="violet"] .accent-bar .dot, .accent-bar.violet .dot { background: var(--violet); box-shadow: 0 0 10px color-mix(in srgb, var(--violet) 50%, transparent); }
[data-accent="teal"] .accent-bar .dot, .accent-bar.teal .dot { background: var(--teal); box-shadow: 0 0 10px color-mix(in srgb, var(--teal) 50%, transparent); }
[data-accent="amber"] .accent-bar .dot, .accent-bar.amber .dot { background: var(--amber); box-shadow: 0 0 10px color-mix(in srgb, var(--amber) 50%, transparent); }
[data-accent="pink"] .accent-bar .dot, .accent-bar.pink .dot { background: var(--pink); box-shadow: 0 0 10px color-mix(in srgb, var(--pink) 50%, transparent); }
.accent-bar.violet { color: var(--violet); }
.accent-bar.teal { color: var(--teal); }
.accent-bar.amber { color: var(--amber); }
.accent-bar.pink { color: var(--pink); }

/* ============================ SERVICE CARDS ============================ */
.services {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 14px; margin-bottom: 16px;
}
.svc {
  position: relative;
  border-radius: 16px;
  padding: 22px 20px 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  display: flex; flex-direction: column;
  text-decoration: none; color: var(--text);
  transition: all 0.3s ease; overflow: hidden;
  min-height: 280px;
}
.svc::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  opacity: 0; transition: opacity 0.3s;
}
.svc[data-c="violet"]::before { background: linear-gradient(90deg, transparent, var(--violet), transparent); }
.svc[data-c="teal"]::before { background: linear-gradient(90deg, transparent, var(--teal), transparent); }
.svc[data-c="amber"]::before { background: linear-gradient(90deg, transparent, var(--amber), transparent); }
.svc[data-c="pink"]::before { background: linear-gradient(90deg, transparent, var(--pink), transparent); }
.svc:hover {
  transform: translateY(-3px);
  background: var(--panel-hi);
  border-color: var(--border-hi);
}
.svc:hover::before { opacity: 1; }
.svc[data-c="violet"]:hover { box-shadow: 0 16px 32px -16px color-mix(in srgb, var(--violet) 40%, transparent); }
.svc[data-c="teal"]:hover { box-shadow: 0 16px 32px -16px color-mix(in srgb, var(--teal) 40%, transparent); }
.svc[data-c="amber"]:hover { box-shadow: 0 16px 32px -16px color-mix(in srgb, var(--amber) 30%, transparent); }
.svc[data-c="pink"]:hover { box-shadow: 0 16px 32px -16px color-mix(in srgb, var(--pink) 40%, transparent); }

.svc-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 18px; }
.svc-icon {
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center;
  font-family: 'Geist Mono', monospace; font-size: 17px; font-weight: 600;
  border: 1px solid var(--border);
}
.svc[data-c="violet"] .svc-icon { color: var(--violet); background: color-mix(in srgb, var(--violet) 12%, transparent); border-color: color-mix(in srgb, var(--violet) 30%, transparent); }
.svc[data-c="teal"] .svc-icon { color: var(--teal); background: color-mix(in srgb, var(--teal) 12%, transparent); border-color: color-mix(in srgb, var(--teal) 30%, transparent); }
.svc[data-c="amber"] .svc-icon { color: var(--amber); background: color-mix(in srgb, var(--amber) 12%, transparent); border-color: color-mix(in srgb, var(--amber) 30%, transparent); }
.svc[data-c="pink"] .svc-icon { color: var(--pink); background: color-mix(in srgb, var(--pink) 12%, transparent); border-color: color-mix(in srgb, var(--pink) 30%, transparent); }

.svc-num {
  font-family: 'Geist Mono', monospace; font-size: 10px;
  color: var(--text-mute); letter-spacing: 0.1em;
  padding: 3px 8px; border: 1px solid var(--border); border-radius: 999px;
}
.svc-tags { display: flex; gap: 6px; align-items: center; }
.svc-badge {
  font-family: 'Geist Mono', monospace; font-size: 10px; font-weight: 600;
  letter-spacing: 0.12em;
  padding: 3px 8px; border-radius: 999px;
}
.svc[data-c="violet"] .svc-badge { color: var(--violet); background: color-mix(in srgb, var(--violet) 14%, transparent); border: 1px solid color-mix(in srgb, var(--violet) 35%, transparent); box-shadow: 0 0 12px -2px color-mix(in srgb, var(--violet) 40%, transparent); }
.svc[data-c="teal"] .svc-badge { color: var(--teal); background: color-mix(in srgb, var(--teal) 14%, transparent); border: 1px solid color-mix(in srgb, var(--teal) 35%, transparent); box-shadow: 0 0 12px -2px color-mix(in srgb, var(--teal) 40%, transparent); }
.svc[data-c="amber"] .svc-badge { color: var(--amber); background: color-mix(in srgb, var(--amber) 14%, transparent); border: 1px solid color-mix(in srgb, var(--amber) 35%, transparent); box-shadow: 0 0 12px -2px color-mix(in srgb, var(--amber) 40%, transparent); }
.svc[data-c="pink"] .svc-badge { color: var(--pink); background: color-mix(in srgb, var(--pink) 14%, transparent); border: 1px solid color-mix(in srgb, var(--pink) 35%, transparent); box-shadow: 0 0 12px -2px color-mix(in srgb, var(--pink) 40%, transparent); }
.svc-name { font-size: 24px; font-weight: 500; letter-spacing: -0.02em; line-height: 1.05; margin-bottom: 4px; }
.svc-name .sup { font-family: 'Geist Mono', monospace; font-size: 16px; color: var(--text-mute); vertical-align: super; font-weight: 400; margin-left: 2px; }
.svc-cat { font-family: 'Geist Mono', monospace; font-size: 10.5px; color: var(--text-mute); letter-spacing: 0.04em; margin-bottom: 14px; }
.svc-desc { font-size: 13.5px; line-height: 1.5; color: var(--text-dim); margin-bottom: 16px; }

.svc-feats {
  list-style: none; margin-bottom: 16px;
  display: flex; flex-direction: column; gap: 6px;
  font-family: 'Geist Mono', monospace; font-size: 11px; color: var(--text-dim);
}
.svc-feats li { display: flex; align-items: center; gap: 8px; }
.svc-feats li::before { content: ''; width: 3px; height: 3px; border-radius: 50%; flex-shrink: 0; }
.svc[data-c="violet"] .svc-feats li::before { background: var(--violet); }
.svc[data-c="teal"] .svc-feats li::before { background: var(--teal); }
.svc[data-c="amber"] .svc-feats li::before { background: var(--amber); }
.svc[data-c="pink"] .svc-feats li::before { background: var(--pink); }

.svc-link {
  margin-top: auto; display: flex; justify-content: space-between; align-items: center;
  padding-top: 14px; border-top: 1px solid var(--border);
  font-size: 12.5px; font-weight: 500;
}
.svc[data-c="violet"] .svc-link { color: var(--violet); }
.svc[data-c="teal"] .svc-link { color: var(--teal); }
.svc[data-c="amber"] .svc-link { color: var(--amber); }
.svc[data-c="pink"] .svc-link { color: var(--pink); }
.svc-link .arr { transition: transform 0.2s; }
.svc:hover .svc-link .arr { transform: translateX(4px); }

/* ============================ CAPS / STAT STRIP ============================ */
.caps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.cap { padding: 18px 20px; border-right: 1px solid var(--border); }
.cap:last-child { border-right: none; }
.cap .k { font-family: 'Geist Mono', monospace; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-mute); margin-bottom: 4px; }
.cap .v { font-size: 20px; font-weight: 500; letter-spacing: -0.015em; }
.cap .v .unit { font-family: 'Geist Mono', monospace; font-size: 13px; color: var(--teal); margin-left: 4px; font-weight: 500; }

/* ============================ CONTENT BLOCKS ============================ */
.section { margin-bottom: 32px; }
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 24px; margin-bottom: 20px; flex-wrap: wrap;
}
.section-head h2 {
  font-size: 28px; font-weight: 500; letter-spacing: -0.02em; line-height: 1.1;
}
.section-head .label {
  font-family: 'Geist Mono', monospace; font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-mute);
}

.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.panel h3 { font-size: 20px; font-weight: 500; letter-spacing: -0.015em; margin-bottom: 12px; }
.panel p { font-size: 14.5px; line-height: 1.65; color: var(--text-dim); margin-bottom: 12px; }
.panel p:last-child { margin-bottom: 0; }
.panel p strong { color: var(--text); font-weight: 500; }
.panel ul, .panel ol { color: var(--text-dim); padding-left: 18px; line-height: 1.7; font-size: 14.5px; }
.panel li { margin-bottom: 6px; }
.panel li strong { color: var(--text); font-weight: 500; }
.panel a { color: var(--teal); text-decoration: none; border-bottom: 1px dashed color-mix(in srgb, var(--teal) 50%, transparent); }
.panel a:hover { border-bottom-style: solid; }

.split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.split-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.split-side { display: grid; grid-template-columns: 1.4fr 1fr; gap: 14px; }
.split-side-rev { display: grid; grid-template-columns: 1fr 1.4fr; gap: 14px; }

/* code block / terminal */
.code-block {
  background: var(--code-bg); border: 1px solid var(--border);
  border-radius: 12px; padding: 18px;
  font-family: 'Geist Mono', monospace; font-size: 12.5px; line-height: 1.7;
  color: var(--text-dim); overflow-x: auto;
}
.code-block .k { color: var(--teal); }
.code-block .v { color: var(--violet); }
.code-block .c { color: var(--text-mute); font-style: italic; }
.code-block .s { color: var(--amber); }
.code-block .ok { color: var(--teal); }

.terminal {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
}
.terminal-head {
  padding: 10px 14px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px;
  font-family: 'Geist Mono', monospace; font-size: 11px;
}
.terminal-head .dots { display: flex; gap: 5px; }
.terminal-head .dots span { width: 9px; height: 9px; border-radius: 50%; }
.terminal-head .r { background: #ff5f56; }
.terminal-head .y { background: #ffbd2e; }
.terminal-head .g { background: #27c93f; }
.terminal-head .title { color: var(--text-mute); margin-left: auto; letter-spacing: 0.05em; }
.terminal-body {
  padding: 18px; font-family: 'Geist Mono', monospace; font-size: 12.5px;
  line-height: 1.75; color: var(--text-dim);
}
.terminal-body .prompt { color: var(--violet); }
.terminal-body .ok { color: var(--teal); }
.terminal-body .c { color: var(--text-mute); font-style: italic; }
.terminal-body .k { color: var(--teal); }
.terminal-body .n { color: var(--violet); }
.terminal-body .s { color: var(--amber); }
.cur { display: inline-block; width: 7px; height: 13px; background: var(--teal); vertical-align: -2px; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* feature item / inline pill list */
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-chip {
  font-family: 'Geist Mono', monospace; font-size: 11px;
  padding: 4px 10px; border-radius: 999px;
  background: color-mix(in srgb, var(--text) 5%, transparent);
  border: 1px solid var(--border); color: var(--text-dim);
}

/* small feature tile */
.tile { padding: 18px; border-radius: 12px; border: 1px solid var(--border); background: var(--panel); }
.tile .icon {
  width: 30px; height: 30px; border-radius: 8px;
  display: grid; place-items: center; margin-bottom: 12px;
  font-family: 'Geist Mono', monospace; font-weight: 600; font-size: 14px;
  color: var(--teal); background: color-mix(in srgb, var(--teal) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--teal) 25%, transparent);
}
.tile h4 { font-size: 15px; font-weight: 500; margin-bottom: 6px; letter-spacing: -0.01em; }
.tile p { font-size: 13px; line-height: 1.55; color: var(--text-dim); margin: 0; }

/* timeline */
.timeline { display: flex; flex-direction: column; gap: 0; position: relative; padding-left: 24px; }
.timeline::before {
  content: ''; position: absolute; left: 5px; top: 8px; bottom: 8px;
  width: 1px; background: var(--border);
}
.t-item { position: relative; padding-bottom: 24px; }
.t-item::before {
  content: ''; position: absolute; left: -23px; top: 6px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--bg-2); border: 2px solid var(--teal);
}
.t-item .year { font-family: 'Geist Mono', monospace; font-size: 11px; color: var(--teal); letter-spacing: 0.1em; margin-bottom: 4px; }
.t-item h4 { font-size: 16px; font-weight: 500; margin-bottom: 4px; letter-spacing: -0.01em; }
.t-item p { font-size: 13.5px; color: var(--text-dim); line-height: 1.55; margin: 0; }

/* contact card */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-card {
  padding: 22px; border-radius: 14px; border: 1px solid var(--border); background: var(--panel);
  display: flex; flex-direction: column; gap: 10px;
}
.contact-card .label { font-family: 'Geist Mono', monospace; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-mute); }
.contact-card h4 { font-size: 18px; font-weight: 500; letter-spacing: -0.015em; }
.contact-card a { color: var(--teal); font-family: 'Geist Mono', monospace; font-size: 14px; text-decoration: none; }
.contact-card a:hover { text-decoration: underline; }
.contact-card .meta { font-size: 13px; color: var(--text-dim); }

/* ============================ FOOTER ============================ */
footer.site-footer {
  margin-top: 48px; padding: 24px 0 0;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-family: 'Geist Mono', monospace; font-size: 11px; color: var(--text-mute);
  flex-wrap: wrap; gap: 12px;
}
footer.site-footer a { color: var(--text-dim); text-decoration: none; }
footer.site-footer a:hover { color: var(--text); }
footer.site-footer .sep { margin: 0 8px; color: var(--border-hi); }

/* ============================ REVEAL ============================ */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ============================ RESPONSIVE ============================ */
@media (max-width: 1080px) {
  .services { grid-template-columns: repeat(2, 1fr); }
  .caps { grid-template-columns: repeat(2, 1fr); }
  .cap:nth-child(2) { border-right: none; }
  .cap:nth-child(1), .cap:nth-child(2) { border-bottom: 1px solid var(--border); }
  .split-3 { grid-template-columns: 1fr 1fr; }
  .split-side, .split-side-rev { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav-links {
    position: absolute; top: 60px; left: 16px; right: 16px;
    flex-direction: column; align-items: stretch;
    background: var(--panel-solid); border: 1px solid var(--border);
    border-radius: 14px; padding: 12px; gap: 4px;
    display: none; z-index: 100;
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links .nav-link, .nav-links .nav-pill { width: 100%; }
  .nav-mobile-toggle { display: inline-flex; margin-left: auto; }
  .theme-toggle { margin-left: 0; }
  .nav { position: relative; }
}

@media (max-width: 640px) {
  .page { padding: 16px 16px 40px; }
  .services, .caps { grid-template-columns: 1fr; }
  .cap { border-right: none; border-bottom: 1px solid var(--border); }
  .cap:last-child { border-bottom: none; }
  .hero { padding: 32px 0 24px; }
  .hero-meta { flex-wrap: wrap; gap: 10px; justify-content: center; }
  .split-2, .split-3 { grid-template-columns: 1fr; }
  .page-hero { padding: 32px 0 24px; }
  .panel { padding: 22px 18px; }
}
