/*
 * styles.css — central stylesheet for the ClariSEO web app.
 *
 * Loaded on every page that extends base.html. Holds design tokens,
 * resets, and shared/general components and utilities. Page-specific CSS
 * lives in per-area stylesheets linked via the `page_css` block.
 */

:root {
  /* Shared tokens live in tokens.css (loaded first). This block keeps only
     the app-family values that deliberately differ from the marketing pages
     (unification is a separate decision, see backlog). */
  --border-radius: 14px;
  --shadow-soft: 0 16px 28px -22px rgba(15, 23, 42, 0.25);
  --shadow-card: 0 30px 50px -30px rgba(15, 23, 42, 0.35);
  --shadow-focus: 0 0 0 4px rgba(15, 76, 129, 0.15);
}

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

body {
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(15, 23, 42, 0.06) 1px, transparent 0),
    radial-gradient(1000px 600px at 15% -10%, rgba(15, 76, 129, 0.14), transparent 60%),
    radial-gradient(800px 600px at 90% 0%, rgba(15, 118, 110, 0.12), transparent 55%),
    linear-gradient(180deg, #f8fbff 0%, #eef3f8 60%, #e8eef5 100%);
  background-size: 22px 22px, auto, auto, auto;
  color: var(--color-ink);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(1.85rem, 4vw, 2.6rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.35rem, 3vw, 1.9rem); margin-bottom: 0.75rem; }
h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }

a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--color-accent); }

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--spacing-container);
  width: 100%;
}

/* --- MAIN CONTENT --- */
main {
  flex: 1;
  padding: 3.5rem 0 4rem;
}

/* --- PROGRESS STEPS --- */
.progress-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  position: relative;
}
.progress-steps::before {
  content: '';
  position: absolute;
  top: 18px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-border);
  z-index: 0;
}
.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
  flex: 1;
}
.step-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--color-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}
.step-label {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-align: center;
}
.step.active .step-number {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}
.step.active .step-label {
  color: var(--color-ink);
  font-weight: 600;
}
.step.completed .step-number {
  background: var(--color-success);
  color: white;
  border-color: var(--color-success);
}

/* --- CODE --- */
/* Site-wide mono stack for code fragments; without this they fall back to
   the UA default (Courier) instead of the design system's --font-mono. */
pre, code, kbd, samp {
  font-family: var(--font-mono);
}

/* --- CARD --- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
  margin-bottom: 1.5rem;
}

/* --- FORMS --- */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.form-input, .form-select {
  width: 100%;
  padding: 0.9rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: var(--font-sans);
  background: #f8fafc;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  background: white;
  box-shadow: var(--shadow-focus);
}
.form-hint {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 0.25rem;
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.6rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
  font-family: var(--font-sans);
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), #0b3a66);
  color: white;
  box-shadow: 0 16px 30px -20px rgba(15, 76, 129, 0.65);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent-hover), #0a355a);
  transform: translateY(-1px);
  box-shadow: 0 20px 36px -22px rgba(15, 76, 129, 0.75);
}
.btn-primary:focus-visible {
  background: linear-gradient(135deg, var(--color-accent-hover), #0a355a);
  outline: none;
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.35), 0 16px 30px -20px rgba(15, 76, 129, 0.65);
}
.btn-primary:active {
  transform: translateY(1px) scale(0.97);
  box-shadow: 0 8px 16px -12px rgba(15, 76, 129, 0.55);
  transition-duration: 0.06s;
}
.btn-secondary {
  background-color: transparent;
  color: var(--color-ink);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  border-color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.btn-secondary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.25);
  border-color: var(--color-accent);
}
.btn-secondary:active {
  transform: scale(0.97);
  background-color: var(--color-accent-soft);
  transition-duration: 0.06s;
}
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* --- PACKAGE CARDS --- */
.package-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 600px) {
  .package-grid { grid-template-columns: 1fr 1fr; }
}
.package-card { cursor: pointer; }
.package-card input[type="radio"] { position: absolute; opacity: 0; }
.package-card-inner {
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  height: 100%;
  background: white;
  box-shadow: var(--shadow-soft);
}
.package-card input:checked + .package-card-inner {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}
.package-card:hover .package-card-inner {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}
.package-name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}
.package-price {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}
.package-features {
  list-style: none;
  font-size: 0.9rem;
  color: var(--color-muted);
}
.package-features li {
  margin-bottom: 0.25rem;
}
.package-features li::before {
  content: '\2713 ';
  color: var(--color-success);
}

/* --- ALERTS --- */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}
.alert-error {
  background: #fef3f2;
  border: 1px solid #fecaca;
  color: #b42318;
}
.alert-success {
  background: #ecfdf3;
  border: 1px solid #a7f3d0;
  color: #067647;
}
.alert-info {
  background: #eff8ff;
  border: 1px solid #b2ddff;
  color: #175cd3;
}

/* --- CHECKBOX --- */
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
  margin-top: 0.25rem;
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
}

/* --- UTILITIES --- */
.text-center { text-align: center; }
.text-muted { color: var(--color-muted); }
.text-small { font-size: 0.875rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex { display: flex; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* --- ICONS --- */
.icon {
  display: inline-block;
  vertical-align: middle;
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
.icon-filled { fill: currentColor; stroke: none; }
.icon-missing { display: inline-block; width: 1em; height: 1em; }

/* --- URL DISPLAY --- */
.url-display {
  font-family: monospace;
  font-size: 1.1rem;
  color: var(--color-accent);
  word-break: break-all;
  margin-bottom: 0.5rem;
}

/* --- ANIMATIONS --- */
@keyframes spin {
  to { transform: rotate(360deg); }
}