/* ==========  BASE  ========== */

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  font-feature-settings: 'ss01', 'cv11';
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--color-cyan); color: var(--color-bg); }

/* ==========  CONTAINER  ========== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--container-padding);
}

.section {
  padding-block: var(--section-padding-y);
  position: relative;
}

/* ==========  TYPOGRAPHY  ========== */

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.eyebrow::before { content: '// '; opacity: 0.7; }

.headline {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.headline-display {
  font-size: var(--text-display);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
}

.subheadline {
  font-size: var(--text-body-lg);
  color: var(--color-text-muted);
  max-width: 640px;
  margin-bottom: var(--space-12);
  line-height: 1.55;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ==========  BUTTONS  ========== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform 150ms var(--ease-out), box-shadow 200ms var(--ease-out), background 200ms ease, border-color 200ms ease, color 200ms ease;
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: var(--color-cyan);
  color: var(--color-bg);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-cyan-glow-strong);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan);
  background: rgba(0, 212, 255, 0.05);
  transform: translateY(-2px);
}

.btn-block { width: 100%; }

/* ==========  CARDS  ========== */

.card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-12);
  box-shadow: var(--shadow-card);
  transition: transform 300ms var(--ease-out), box-shadow 300ms var(--ease-out);
  position: relative;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

/* ==========  TAGS  /  BADGES  ========== */

.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-cyan);
  color: var(--color-cyan);
  font-size: var(--text-tiny);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(0, 212, 255, 0.05);
}

/* ==========  FORMS  ========== */

.form-field { margin-bottom: var(--space-6); }
.form-field-row { display: grid; gap: var(--space-4); grid-template-columns: 1fr 1fr; }

.form-label {
  display: block;
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-body);
  transition: border-color 200ms ease, background 200ms ease;
}

.form-input::placeholder, .form-textarea::placeholder { color: var(--color-text-subtle); }

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-cyan);
  background: var(--color-bg-elevated-2);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}

.form-textarea { resize: vertical; min-height: 84px; line-height: 1.5; }

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%238E8E93' stroke-width='2' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}

.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; opacity: 0; }

/* ==========  BROWSER FRAME (signature mechanic) ========== */

.bframe {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6), 0 0 60px -10px rgba(0, 212, 255, 0.12);
  overflow: hidden;
  position: relative;
}

.bframe-titlebar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
}

.bframe-dots { display: flex; gap: 6px; flex-shrink: 0; }
.bframe-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--color-border); }

.bframe-addr {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
  letter-spacing: -0.01em;
  min-height: 28px;
  position: relative;
  overflow: hidden;
}

.bframe-favicon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-cyan);
  flex-shrink: 0;
}

.bframe-content {
  position: relative;
  background: var(--color-bg-elevated);
}

.bframe-progress {
  position: absolute;
  top: 0; left: 0;
  height: 1px;
  width: 0;
  background: var(--color-cyan);
  z-index: 2;
}

/* ==========  EYEBROW DOT INDICATOR  ========== */

.dot {
  display: inline-block;
  width: 0.55em;
  height: 0.55em;
  border-radius: 50%;
  background: var(--color-cyan);
  vertical-align: baseline;
  margin-left: 0.22em;
  margin-bottom: 0.04em;
  position: relative;
  top: 0.02em;
}

/* ==========  GLOW BACKGROUND BLOBS  ========== */

.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}
.bg-glow-cyan { background: var(--color-cyan-dim); }
.bg-glow-coral { background: var(--color-coral-dim); }

/* ==========  SR  /  A11Y  ========== */

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  top: -100px; left: 16px;
  background: var(--color-cyan);
  color: var(--color-bg);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-weight: 700;
  z-index: 1000;
  transition: top 200ms ease;
}
.skip-link:focus { top: 16px; }

/* ==========  RESPONSIVE  HELPERS  ========== */

@media (max-width: 768px) {
  .form-field-row { grid-template-columns: 1fr; }
}