/* ================================================================
   Bullock Systems — design system
   Dark by default, light theme via [data-theme="light"]
   ================================================================ */

:root {
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* brand */
  --blue: #2f7fd1;
  --blue-bright: #4da3ff;
  --navy: #16243d;

  /* dark theme (default) */
  --bg: #0b1220;
  --bg-soft: #0f1830;
  --bg-panel: #121d36;
  --bg-card: rgba(255, 255, 255, 0.03);
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8edf6;
  --text-dim: #9aa7bd;
  --nav-bg: rgba(11, 18, 32, 0.72);
  --glow: rgba(47, 127, 209, 0.25);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --grad-hero: radial-gradient(ellipse 60% 50% at 70% 20%, rgba(47, 127, 209, 0.18), transparent 70%);
}

[data-theme="light"] {
  --bg: #f6f8fc;
  --bg-soft: #eef2f9;
  --bg-panel: #ffffff;
  --bg-card: #ffffff;
  --border: rgba(22, 36, 61, 0.1);
  --text: #16243d;
  --text-dim: #5a6a85;
  --nav-bg: rgba(246, 248, 252, 0.8);
  --glow: rgba(47, 127, 209, 0.18);
  --shadow: 0 20px 60px rgba(22, 36, 61, 0.12);
  --grad-hero: radial-gradient(ellipse 60% 50% at 70% 20%, rgba(47, 127, 209, 0.12), transparent 70%);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
}

img { display: block; max-width: 100%; height: auto; }

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

/* ---------------- nav ---------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  width: min(1120px, 92%);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text);
}

.brand-text {
  font-weight: 800;
  letter-spacing: 0.14em;
  font-size: 0.95rem;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-sub {
  font-weight: 500;
  font-size: 0.62rem;
  letter-spacing: 0.42em;
  color: var(--blue-bright);
}

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

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav-actions { display: flex; align-items: center; gap: 0.5rem; }

.theme-toggle {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.theme-toggle:hover { color: var(--text); border-color: var(--blue); transform: translateY(-1px); }
.theme-toggle svg { width: 18px; height: 18px; }
.icon-sun { display: none; }
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  margin-inline: auto;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ---------------- hero ---------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 10vw, 8rem) 0 clamp(3rem, 8vw, 6rem);
}

.hero-glow {
  position: absolute;
  inset: 0;
  background: var(--grad-hero);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue-bright);
  background: var(--glow);
  border: 1px solid var(--border);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue-bright);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--glow); }
  50% { opacity: 0.6; box-shadow: 0 0 0 6px transparent; }
}

h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.lede {
  color: var(--text-dim);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  max-width: 34rem;
  margin-bottom: 2rem;
}

.cta-row { display: flex; gap: 0.9rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.6rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue), #1f5fa8);
  color: #fff;
  box-shadow: 0 8px 24px var(--glow);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px var(--glow); }

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

.btn-ghost:hover { border-color: var(--blue); transform: translateY(-2px); }

.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; }

.hero-art {
  position: relative;
  display: grid;
  place-items: center;
}

.logo-ring {
  position: absolute;
  width: min(420px, 90%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow) 0%, transparent 65%);
  animation: breathe 6s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.08); opacity: 0.6; }
}

.hero-logo {
  position: relative;
  width: min(340px, 75%);
  filter: drop-shadow(0 12px 40px rgba(0, 0, 0, 0.4));
}

[data-theme="light"] .hero-logo { filter: drop-shadow(0 12px 30px rgba(22, 36, 61, 0.25)); }

/* ---------------- sections ---------------- */
.section { padding: clamp(4rem, 9vw, 7rem) 0; }

.section-alt { background: var(--bg-soft); }

.section-head {
  max-width: 38rem;
  margin-bottom: 3rem;
}

.eyebrow {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: 0.8rem;
}

h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-head p, .about-grid p { color: var(--text-dim); }

.grad-text {
  background: linear-gradient(90deg, var(--blue-bright), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------------- product mockup ---------------- */
.mockup {
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  background: var(--bg-panel);
  box-shadow: var(--shadow);
  margin-bottom: 3.5rem;
}

.mockup-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.8rem 1.1rem;
  border-bottom: 1px solid var(--border);
}

.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.mockup-url {
  margin-inline: auto;
  font-size: 0.78rem;
  color: var(--text-dim);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.25rem 1.2rem;
  border-radius: 8px;
}

/* --- abstract dashboard skeleton --- */
.dash {
  position: relative;
  display: grid;
  grid-template-columns: 180px 1fr;
  min-height: 420px;
}

.dash-side {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding: 1.4rem 1.2rem;
  border-right: 1px solid var(--border);
}

.dash-logo { margin-bottom: 0.6rem; }

.dash-navline {
  height: 10px;
  border-radius: 6px;
  background: var(--border);
}

.dash-navline.active { background: var(--blue); opacity: 0.75; }

.dash-main {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  padding: 1.4rem;
  min-width: 0;
}

.dash-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
}

.dash-stat {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.9rem;
}

.dash-line { height: 8px; border-radius: 5px; background: var(--border); }
.dash-num { height: 16px; border-radius: 6px; background: var(--glow); }

.dash-chart {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 4.5%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.1rem;
  min-height: 130px;
}

.dash-chart span {
  flex: 1;
  height: var(--h);
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--blue-bright), var(--blue));
  opacity: 0.55;
}

.dash-rows { display: flex; flex-direction: column; gap: 0.6rem; }

.dash-row {
  display: grid;
  grid-template-columns: 14px 1fr 0.35fr;
  align-items: center;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
}

.dash-pip { width: 9px; height: 9px; border-radius: 50%; }
.dash-pip.ok { background: #28c840; }
.dash-pip.warn { background: #febc2e; }

.w-15 { width: 15%; } .w-20 { width: 20%; } .w-25 { width: 25%; }
.w-30 { width: 30%; } .w-35 { width: 35%; } .w-40 { width: 40%; }
.w-45 { width: 45%; } .w-50 { width: 50%; } .w-55 { width: 55%; }
.w-60 { width: 60%; } .w-65 { width: 65%; } .w-70 { width: 70%; }

.dash-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 0.5rem;
  text-align: center;
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.dash-overlay p { color: var(--text-dim); font-size: 0.95rem; }

.coming-soon {
  font-size: clamp(1.4rem, 3.4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: 0.35em;
  background: linear-gradient(90deg, var(--blue-bright), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.mockup-body p { color: var(--text-dim); font-size: 0.95rem; }

/* ---------------- feature cards ---------------- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.8rem;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--blue);
  box-shadow: 0 14px 40px var(--glow);
}

.card-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--glow);
  color: var(--blue-bright);
  margin-bottom: 1.1rem;
}

.card-icon svg { width: 22px; height: 22px; }

.card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.card p { color: var(--text-dim); font-size: 0.92rem; }

/* ---------------- about ---------------- */
.about-block {
  max-width: 44rem;
}

.about-block p { color: var(--text-dim); margin-bottom: 1rem; }

/* ---------------- contact ---------------- */
.contact-card {
  text-align: center;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: clamp(3rem, 7vw, 5rem) 1.5rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: "";
  position: absolute;
  inset: -40% 20% auto;
  height: 70%;
  background: radial-gradient(ellipse, var(--glow), transparent 70%);
  pointer-events: none;
}

.contact-card p { color: var(--text-dim); margin-bottom: 2rem; }
.contact-card .eyebrow, .contact-card h2, .contact-card p, .contact-card .btn { position: relative; }

/* ---------------- footer ---------------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text-dim);
  font-size: 0.88rem;
}

.footer-links { display: flex; gap: 1.6rem; }

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

.footer-links a:hover { color: var(--text); }

/* ---------------- scroll reveal ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .logo-ring, .badge-dot { animation: none; }
}

/* ---------------- 404 ---------------- */
.error-page {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 2rem;
}

.error-page img { width: 110px; margin-inline: auto; margin-bottom: 1.5rem; }
.error-code { font-size: 5rem; font-weight: 800; line-height: 1; letter-spacing: -0.03em; }
.error-page p { color: var(--text-dim); margin: 0.8rem 0 2rem; }

/* ---------------- responsive ---------------- */
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero-art { order: -1; }
  .hero-logo { width: min(220px, 60%); }
  .features { grid-template-columns: 1fr; }

  .dash { grid-template-columns: 1fr; min-height: 340px; }
  .dash-side { display: none; }
  .dash-stats { grid-template-columns: repeat(2, 1fr); }

  .menu-toggle { display: flex; }

  .nav-links {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav-links.open { max-height: 240px; }

  .nav-links a {
    padding: 1rem 5%;
    border-top: 1px solid var(--border);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}