/* ============================================================
   Project Blindspot — blindspot.fail
   Color system: near-black bg / dark gray surfaces / red accent
   ============================================================ */

:root {
  --black:      #0a0a0a;
  --bg:         #111113;
  --surface:    #1a1a1e;
  --surface-hi: #222228;
  --border:     #2e2e36;
  --gray-dim:   #555566;
  --gray-mid:   #888899;
  --gray-hi:    #b0b0c0;
  --white:      #e8e8f0;
  --red:        #d42b2b;
  --red-bright: #e83535;
  --red-dim:    #8a1a1a;
  --red-glow:   rgba(212, 43, 43, 0.18);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--gray-hi);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* ---- Layout ---- */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Typography ---- */
h1, h2, h3 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: 0.02em;
}

.accent { color: var(--red-bright); }

.section-label {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
}

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.wordmark {
  display: flex;
  align-items: baseline;
  gap: 6px;
  text-decoration: none;
}

.wordmark-project {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--gray-mid);
}

.wordmark-name {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.12em;
  color: var(--white);
}

.wordmark-sm .wordmark-name { font-size: 0.95rem; }
.wordmark-sm .wordmark-project { font-size: 0.65rem; }

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-mid);
  text-decoration: none;
  transition: color 0.15s;
}

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

.nav-cta {
  color: var(--red) !important;
  border: 1px solid var(--red-dim);
  padding: 6px 16px;
  border-radius: 3px;
  transition: background 0.15s, color 0.15s !important;
}

.nav-cta:hover {
  background: var(--red-glow);
  color: var(--red-bright) !important;
}

/* ---- Hero ---- */
.hero {
  position: relative;
  padding: 100px 0 90px;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.35;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 100% at 50% 0%, black 40%, transparent 100%);
}

.hero-tag {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-tag::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--red);
}

.hero-title {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.1;
  max-width: 640px;
  margin-bottom: 24px;
  color: var(--white);
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--gray-mid);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.btn-primary {
  display: inline-block;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--red);
  border: none;
  padding: 13px 32px;
  border-radius: 3px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.btn-primary:hover {
  background: var(--red-bright);
  transform: translateY(-1px);
}

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

/* ---- Features ---- */
.features {
  padding: 90px 0;
  border-top: 1px solid var(--border);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 16px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--red-dim);
  padding: 28px 24px;
  border-radius: 4px;
  transition: border-color 0.15s, background 0.15s;
}

.feature-card:hover {
  border-top-color: var(--red);
  background: var(--surface-hi);
}

.feature-icon {
  color: var(--red);
  font-size: 1.2rem;
  margin-bottom: 14px;
  opacity: 0.8;
}

.feature-card h3 {
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  color: var(--white);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--gray-mid);
  line-height: 1.65;
}

/* ---- Platform Section ---- */
.platform-section {
  padding: 90px 0;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
}

.platform-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.platform-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 20px;
}

.platform-text p {
  font-size: 0.95rem;
  color: var(--gray-mid);
  line-height: 1.75;
  margin-bottom: 16px;
}

.platform-list {
  list-style: none;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.platform-list li {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  color: var(--gray-hi);
  display: flex;
  align-items: center;
  gap: 10px;
}

.platform-list li::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--red);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---- Dashboard Mock ---- */
.dash-mock {
  background: var(--black);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  box-shadow: 0 0 40px rgba(212, 43, 43, 0.08);
}

.dash-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.dash-gauge {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 14px 16px;
}

.dash-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--gray-dim);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.dash-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-hi);
  letter-spacing: 0.05em;
}

.dash-value.accent { color: var(--red-bright); }

.dash-bar {
  height: 4px;
  background: var(--surface-hi);
  border-radius: 2px;
  margin-bottom: 16px;
  overflow: hidden;
}

.dash-bar-fill {
  height: 100%;
  width: 42%;
  background: linear-gradient(90deg, var(--red-dim), var(--red-bright));
  border-radius: 2px;
}

.dash-obs {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--red);
  text-align: right;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

/* ---- Join Section ---- */
.join-section {
  padding: 100px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.join-section h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: 16px;
}

.join-section p {
  font-size: 0.95rem;
  color: var(--gray-mid);
  max-width: 500px;
  margin: 0 auto 32px;
}

.join-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.join-form input[type="email"] {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--white);
  padding: 12px 20px;
  border-radius: 3px;
  width: 300px;
  outline: none;
  transition: border-color 0.15s;
}

.join-form input[type="email"]::placeholder { color: var(--gray-dim); }
.join-form input[type="email"]:focus { border-color: var(--red-dim); }

.join-note {
  font-size: 0.8rem !important;
  color: var(--gray-dim) !important;
  margin-bottom: 0 !important;
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}

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

.footer-copy {
  font-size: 0.78rem;
  color: var(--gray-dim);
}

/* ---- Responsive ---- */
@media (max-width: 760px) {
  .platform-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .nav a:not(.nav-cta) { display: none; }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .join-form input[type="email"] { width: 100%; }
}