/**
 * AUTOMIFYA 2.0 — Component Library
 * ─────────────────────────────────────────────────────────────────────────────
 * Reusable UI components. Every element used across 2+ pages lives here.
 * Zero raw values — all references go through tokens.css.
 *
 * Index:
 *   1.  Buttons
 *   2.  Cards
 *   3.  Badges & Tags
 *   4.  Form Elements
 *   5.  Navigation
 *   6.  Footer
 *   7.  Section Layouts
 *   8.  Accordion (FAQ)
 *   9.  Progress Bar
 *  10.  Alert / Notification
 *  11.  Cookie Consent Banner
 *  12.  AdSense Slots (prepared, inactive)
 *  13.  Responsive Grid Overrides
 *
 * RFC: RFC-004 · FINAL_ARCHITECTURE.md §3
 * ─────────────────────────────────────────────────────────────────────────────
 */


/* ═══════════════════════════════════════════════════════════════════════════
   1. BUTTONS
   ═══════════════════════════════════════════════════════════════════════════ */

/**
 * Base button — all btn variants extend this.
 * Apply a variant class alongside .btn:
 *   .btn-primary  .btn-secondary  .btn-ghost  .btn-outline  .btn-sm  .btn-lg
 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-size: var(--text-base);
  font-weight: var(--fw-semi);
  line-height: 1;
  letter-spacing: 0.01em;
  border-radius: var(--radius-full);
  border: 1.5px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition:
    transform var(--t-fast),
    box-shadow var(--t-fast),
    opacity var(--t-fast),
    background var(--t-base);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn:focus-visible {
  outline: 2px solid var(--color-grad-1);
  outline-offset: 3px;
}

.btn:active { transform: scale(0.97); }

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* Icon within button */
.btn svg,
.btn .btn-icon {
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
}

/* ── Primary — gradient fill ───────────────────────────────────────────────── */
.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(240, 98, 42, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(240, 98, 42, 0.40);
  transform: translateY(-1px);
}

/* ── Secondary — dark fill, subtle ────────────────────────────────────────── */
.btn-secondary {
  background: var(--color-bg-card-2);
  color: var(--color-text);
  border-color: var(--color-border-2);
}

.btn-secondary:hover {
  background: var(--color-bg-3);
  border-color: var(--color-border-focus);
  transform: translateY(-1px);
}

/* ── Ghost — no background, text only ─────────────────────────────────────── */
.btn-ghost {
  background: transparent;
  color: var(--color-text-2);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--color-bg-3);
  color: var(--color-text);
}

/* ── Outline — gradient border ────────────────────────────────────────────── */
.btn-outline {
  position: relative;
  background: transparent;
  color: var(--color-text);
  border: none;
  isolation: isolate;
}

.btn-outline::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: var(--gradient-brand);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.btn-outline:hover {
  background: rgba(240, 98, 42, 0.06);
  transform: translateY(-1px);
}

/* ── Sizes ─────────────────────────────────────────────────────────────────── */
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--text-lg);
}

.btn-xl {
  padding: 1.125rem 2.25rem;
  font-size: var(--text-xl);
  border-radius: var(--radius-full);
}

/* ── Loading state ─────────────────────────────────────────────────────────── */
.btn.loading {
  pointer-events: none;
  opacity: 0.75;
}

.btn.loading::after {
  content: '';
  width: 1em;
  height: 1em;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
  margin-left: var(--space-2);
}

@keyframes btn-spin {
  to { transform: rotate(360deg); }
}


/* ═══════════════════════════════════════════════════════════════════════════
   2. CARDS
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Base card ─────────────────────────────────────────────────────────────── */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition:
    border-color var(--t-base),
    transform var(--t-base),
    box-shadow var(--t-base);
}

.card:hover {
  border-color: var(--color-border-2);
  box-shadow: var(--shadow-lg);
}

.card--interactive {
  cursor: pointer;
}

.card--interactive:hover {
  transform: translateY(-3px);
  border-color: rgba(240, 98, 42, 0.3);
}

/* ── Service card ─────────────────────────────────────────────────────────── */
.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition:
    border-color var(--t-base),
    transform var(--t-base),
    box-shadow var(--t-base);
}

.service-card:hover {
  border-color: rgba(240, 98, 42, 0.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-subtle);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-grad-1);
}

.service-card__title {
  font-size: var(--text-lg);
  font-weight: var(--fw-semi);
  color: var(--color-text);
  line-height: var(--lh-snug);
}

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-2);
  line-height: var(--lh-relaxed);
  flex: 1;
  max-width: none;
}

.service-card__link {
  font-size: var(--text-sm);
  font-weight: var(--fw-semi);
  color: var(--color-grad-1);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: gap var(--t-fast);
}

.service-card:hover .service-card__link {
  gap: var(--space-2);
}

/* ── Pricing card ─────────────────────────────────────────────────────────── */
.pricing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  position: relative;
  transition:
    border-color var(--t-base),
    transform var(--t-base),
    box-shadow var(--t-base);
}

/* Featured/popular variant */
.pricing-card--featured {
  border-color: rgba(240, 98, 42, 0.4);
  background: var(--color-bg-card-2);
  box-shadow: var(--glow-brand);
  transform: scale(1.03);
}

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

.pricing-card--featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.pricing-card__badge {
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-brand);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  padding: 0.3rem 1rem;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  white-space: nowrap;
}

.pricing-card__name {
  font-size: var(--text-sm);
  font-weight: var(--fw-semi);
  color: var(--color-text-2);
  text-transform: uppercase;
  letter-spacing: var(--ls-label);
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
}

.pricing-card__amount {
  font-size: var(--text-5xl);
  font-weight: var(--fw-black);
  color: var(--color-text);
  letter-spacing: var(--ls-tight);
  line-height: 1;
}

.pricing-card__currency {
  font-size: var(--text-xl);
  font-weight: var(--fw-semi);
  color: var(--color-text-2);
  align-self: flex-start;
  margin-top: var(--space-2);
}

.pricing-card__period {
  font-size: var(--text-sm);
  color: var(--color-text-3);
}

.pricing-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-2);
  line-height: var(--lh-relaxed);
  max-width: none;
}

.pricing-card__divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}

.pricing-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-2);
  line-height: var(--lh-relaxed);
}

.pricing-card__feature-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-success);
}

.pricing-card__feature-icon--no {
  color: var(--color-text-3);
}

/* ── Blog card ────────────────────────────────────────────────────────────── */
.blog-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition:
    border-color var(--t-base),
    transform var(--t-base),
    box-shadow var(--t-base);
}

.blog-card:hover {
  border-color: var(--color-border-2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--color-bg-3);
}

.blog-card__image-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--gradient-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--color-border);
}

.blog-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-3);
}

.blog-card__category {
  font-weight: var(--fw-semi);
  color: var(--color-grad-1);
}

.blog-card__title {
  font-size: var(--text-lg);
  font-weight: var(--fw-semi);
  color: var(--color-text);
  line-height: var(--lh-snug);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--t-fast);
}

.blog-card:hover .blog-card__title {
  color: var(--color-text-link);
}

.blog-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-2);
  line-height: var(--lh-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-width: none;
  flex: 1;
}

.blog-card__footer {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--fw-semi);
  color: var(--color-text-link);
  margin-top: auto;
}

/* ── Portfolio card ───────────────────────────────────────────────────────── */
.portfolio-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  aspect-ratio: 4 / 3;
  cursor: pointer;
}

.portfolio-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}

.portfolio-card__image-placeholder {
  width: 100%;
  height: 100%;
  background: var(--gradient-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-3);
  font-size: var(--text-sm);
  text-align: center;
  padding: var(--space-6);
  transition: transform var(--t-slow);
}

.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  background: var(--color-bg-overlay);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: var(--space-6);
  opacity: 0;
  transition: opacity var(--t-base);
}

.portfolio-card:hover .portfolio-card__overlay {
  opacity: 1;
}

.portfolio-card:hover .portfolio-card__image,
.portfolio-card:hover .portfolio-card__image-placeholder {
  transform: scale(1.04);
}

.portfolio-card__label {
  font-size: var(--text-xs);
  color: var(--color-text-3);
  text-transform: uppercase;
  letter-spacing: var(--ls-label);
  margin-bottom: var(--space-1);
}

.portfolio-card__title {
  font-size: var(--text-lg);
  font-weight: var(--fw-semi);
  color: var(--color-text);
}

.portfolio-card__tag {
  margin-top: var(--space-3);
}

/* ── Tool card ────────────────────────────────────────────────────────────── */
.tool-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-decoration: none;
  transition:
    border-color var(--t-base),
    transform var(--t-base),
    box-shadow var(--t-base);
}

.tool-card:hover {
  border-color: rgba(240, 98, 42, 0.35);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.tool-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--gradient-subtle);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tool-card__title {
  font-size: var(--text-xl);
  font-weight: var(--fw-semi);
  color: var(--color-text);
}

.tool-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-2);
  line-height: var(--lh-relaxed);
  max-width: none;
  flex: 1;
}

.tool-card__cta {
  font-size: var(--text-sm);
  font-weight: var(--fw-semi);
  color: var(--color-grad-1);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: gap var(--t-fast);
}

.tool-card:hover .tool-card__cta {
  gap: var(--space-2);
}

/* ── Testimonial card ─────────────────────────────────────────────────────── */
.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.testimonial-card__stars {
  display: flex;
  gap: var(--space-1);
  color: #f59e0b;
}

.testimonial-card__quote {
  font-size: var(--text-base);
  color: var(--color-text-2);
  line-height: var(--lh-relaxed);
  flex: 1;
  max-width: none;
  font-style: italic;
}

.testimonial-card__quote::before {
  content: '\201C';
  color: var(--color-grad-1);
  font-size: var(--text-2xl);
  line-height: 0;
  vertical-align: -0.4em;
  margin-right: var(--space-1);
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: auto;
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--gradient-subtle);
  border: 2px solid var(--color-border-2);
  flex-shrink: 0;
  overflow: hidden;
}

.testimonial-card__name {
  font-size: var(--text-sm);
  font-weight: var(--fw-semi);
  color: var(--color-text);
}

.testimonial-card__role {
  font-size: var(--text-xs);
  color: var(--color-text-3);
  max-width: none;
}

/* ── Stat card (counters) ─────────────────────────────────────────────────── */
.stat-card {
  text-align: center;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.stat-card__number {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  font-weight: var(--fw-black);
  letter-spacing: var(--ls-tight);
  line-height: 1;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card__label {
  font-size: var(--text-sm);
  color: var(--color-text-3);
  max-width: none;
}


/* ═══════════════════════════════════════════════════════════════════════════
   3. BADGES & TAGS
   ═══════════════════════════════════════════════════════════════════════════ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--fw-semi);
  line-height: 1;
  white-space: nowrap;
}

.badge-brand {
  background: rgba(240, 98, 42, 0.12);
  color: var(--color-grad-1);
  border: 1px solid rgba(240, 98, 42, 0.25);
}

.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-info {
  background: var(--color-info-bg);
  color: var(--color-accent-indigo);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.badge-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-neutral {
  background: var(--color-bg-3);
  color: var(--color-text-2);
  border: 1px solid var(--color-border-2);
}

/* Eyebrow label — "section header pill" above headings */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(240, 98, 42, 0.08);
  border: 1px solid rgba(240, 98, 42, 0.2);
  font-size: var(--text-xs);
  font-weight: var(--fw-semi);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--color-grad-1);
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-grad-1);
  flex-shrink: 0;
}


/* ═══════════════════════════════════════════════════════════════════════════
   4. FORM ELEMENTS
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Form group ────────────────────────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* ── Label ─────────────────────────────────────────────────────────────────── */
.form-label {
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text);
}

.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}

/* ── Inputs & Textarea ─────────────────────────────────────────────────────── */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-bg-card);
  border: 1.5px solid var(--color-border-2);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-base);
  line-height: var(--lh-normal);
  transition:
    border-color var(--t-fast),
    box-shadow var(--t-fast),
    background var(--t-fast);
  appearance: none;
  -webkit-appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-3);
}

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
  border-color: var(--color-border-focus);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-grad-1);
  background: var(--color-bg-card-2);
  box-shadow: 0 0 0 3px rgba(240, 98, 42, 0.1);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-error);
}

.form-input.error:focus,
.form-textarea.error:focus,
.form-select.error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* ── Select ─────────────────────────────────────────────────────────────────── */
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7a95' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-select option {
  background: var(--color-bg-2);
  color: var(--color-text);
}

/* ── Error message ─────────────────────────────────────────────────────────── */
.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ── Helper text ───────────────────────────────────────────────────────────── */
.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-3);
  max-width: none;
}

/* ── Checkbox & Radio ──────────────────────────────────────────────────────── */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-top: 1px;
  cursor: pointer;
  accent-color: var(--color-grad-1);
  border-radius: var(--radius-sm);
}

.form-check__label {
  font-size: var(--text-sm);
  color: var(--color-text-2);
  line-height: var(--lh-relaxed);
  max-width: none;
}

/* ── Form success/error states ─────────────────────────────────────────────── */
.form-message {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.form-message--success {
  background: var(--color-success-bg);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--color-success);
}

.form-message--error {
  background: var(--color-error-bg);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: var(--color-error);
}

/* ── Honeypot field (anti-spam) ────────────────────────────────────────────── */
.form-hp {
  position: absolute;
  left: -9999px;
  width: 0;
  height: 0;
  overflow: hidden;
  visibility: hidden;
  pointer-events: none;
  tabIndex: -1;
}


/* ═══════════════════════════════════════════════════════════════════════════
   5. NAVIGATION
   ═══════════════════════════════════════════════════════════════════════════ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  transition:
    background var(--t-base),
    border-color var(--t-base),
    box-shadow var(--t-base);
}

/* Transparent on page load, fills on scroll */
.nav--transparent {
  background: transparent;
  border-bottom: 1px solid transparent;
}

.nav--scrolled {
  background: var(--color-bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

.nav__inner {
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--container-padding-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* ── Logo ─────────────────────────────────────────────────────────────────── */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo-text {
  font-size: var(--text-lg);
  font-weight: var(--fw-black);
  letter-spacing: var(--ls-tight);
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Desktop links ────────────────────────────────────────────────────────── */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  flex: 1;
  justify-content: center;
}

.nav__link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-2);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition:
    color var(--t-fast),
    background var(--t-fast);
  white-space: nowrap;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-text);
  background: var(--color-bg-3);
}

.nav__link--active {
  color: var(--color-text);
}

/* ── Nav actions ──────────────────────────────────────────────────────────── */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* ── Mobile hamburger ─────────────────────────────────────────────────────── */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  transition: background var(--t-fast);
  z-index: calc(var(--z-nav) + 1);
}

.nav__toggle:hover { background: var(--color-bg-3); }

.nav__toggle-bar {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition:
    transform var(--t-base),
    opacity var(--t-fast);
  display: block;
}

/* Animated X state */
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile drawer ────────────────────────────────────────────────────────── */
.nav__mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: calc(var(--z-nav) - 1);
  padding-top: var(--nav-height);
  background: var(--color-bg-overlay);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  overflow-y: auto;
  opacity: 0;
  transform: translateY(-8px);
  transition:
    opacity var(--t-base),
    transform var(--t-base);
  pointer-events: none;
}

.nav__mobile.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.nav__mobile-inner {
  padding: var(--space-6) var(--container-padding-x) var(--space-12);
  max-width: var(--container-xl);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.nav__mobile-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-lg);
  font-weight: var(--fw-medium);
  color: var(--color-text-2);
  text-decoration: none;
  border-radius: var(--radius-md);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--t-fast);
}

.nav__mobile-link:hover { color: var(--color-text); }

.nav__mobile-link:last-of-type { border-bottom: none; }

.nav__mobile-cta {
  margin-top: var(--space-4);
}

/* ── Responsive nav ───────────────────────────────────────────────────────── */
@media (max-width: 1023px) {
  .nav__links   { display: none; }
  .nav__toggle  { display: flex; }
  .nav__mobile  { display: block; }
  .nav__actions .btn:not(.btn-primary) { display: none; }
}


/* ═══════════════════════════════════════════════════════════════════════════
   6. FOOTER
   ═══════════════════════════════════════════════════════════════════════════ */

.footer {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-20);
  padding-bottom: var(--space-12);
}

.footer__inner {
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--container-padding-x);
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-border);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__logo {
  font-size: var(--text-xl);
  font-weight: var(--fw-black);
  letter-spacing: var(--ls-tight);
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  width: fit-content;
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-3);
  line-height: var(--lh-relaxed);
  max-width: 220px;
}

.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-bg-3);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background var(--t-fast),
    border-color var(--t-fast);
  color: var(--color-text-2);
  text-decoration: none;
}

.footer__social-link:hover {
  background: var(--color-bg-card-2);
  border-color: var(--color-border-2);
  color: var(--color-text);
}

.footer__col-title {
  font-size: var(--text-sm);
  font-weight: var(--fw-semi);
  color: var(--color-text);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: var(--ls-label);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-text-3);
  text-decoration: none;
  transition: color var(--t-fast);
}

.footer__link:hover { color: var(--color-text-2); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-8);
  flex-wrap: wrap;
}

.footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-text-3);
  max-width: none;
}

.footer__legal {
  display: flex;
  gap: var(--space-6);
}

.footer__legal-link {
  font-size: var(--text-xs);
  color: var(--color-text-3);
  text-decoration: none;
  transition: color var(--t-fast);
}

.footer__legal-link:hover { color: var(--color-text-2); }

/* ── Footer responsive ────────────────────────────────────────────────────── */
@media (max-width: 1023px) {
  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 599px) {
  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
}


/* ═══════════════════════════════════════════════════════════════════════════
   7. SECTION LAYOUTS
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Page header (space for nav) ──────────────────────────────────────────── */
.page-hero {
  padding-top: calc(var(--nav-height) + var(--space-16));
  padding-bottom: var(--space-16);
}

/* ── Section header block ─────────────────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}

.section-header--left {
  text-align: left;
  align-items: flex-start;
  margin-inline: 0;
}

.section-header__title {
  font-size: clamp(var(--text-3xl), 3.5vw, var(--text-5xl));
  font-weight: var(--fw-black);
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-tight);
  color: var(--color-text);
}

.section-header__subtitle {
  font-size: clamp(var(--text-base), 1.5vw, var(--text-lg));
  color: var(--color-text-2);
  line-height: var(--lh-relaxed);
  max-width: 60ch;
}

/* ── Divider / section separator ─────────────────────────────────────────── */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-border) 20%,
    var(--color-border) 80%,
    transparent 100%
  );
  margin-block: var(--space-16);
}

/* ── How It Works step ────────────────────────────────────────────────────── */
.step-card {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

.step-card__number {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--gradient-brand);
  color: #fff;
  font-size: var(--text-lg);
  font-weight: var(--fw-black);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-card__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.step-card__title {
  font-size: var(--text-lg);
  font-weight: var(--fw-semi);
  color: var(--color-text);
}

.step-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-2);
  line-height: var(--lh-relaxed);
  max-width: none;
}

/* ── CTA Banner ───────────────────────────────────────────────────────────── */
.cta-banner {
  background: var(--gradient-subtle);
  border: 1px solid rgba(240, 98, 42, 0.2);
  border-radius: var(--radius-2xl);
  padding: clamp(var(--space-10), 5vw, var(--space-16));
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: var(--gradient-brand-h);
}

.cta-banner__title {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  font-weight: var(--fw-black);
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-tight);
  color: var(--color-text);
  max-width: 600px;
}

.cta-banner__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-2);
  max-width: 50ch;
}

.cta-banner__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}


/* ═══════════════════════════════════════════════════════════════════════════
   8. ACCORDION (FAQ)
   ═══════════════════════════════════════════════════════════════════════════ */

.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.accordion__item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--t-fast);
}

.accordion__item.is-open {
  border-color: var(--color-border-2);
}

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background var(--t-fast);
}

.accordion__trigger:hover { background: var(--color-bg-3); }

.accordion__question {
  font-size: var(--text-base);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  line-height: var(--lh-snug);
}

.accordion__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-3);
  transition: transform var(--t-base);
}

.accordion__item.is-open .accordion__icon {
  transform: rotate(180deg);
  color: var(--color-grad-1);
}

.accordion__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-slow);
}

.accordion__panel-inner {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--text-base);
  color: var(--color-text-2);
  line-height: var(--lh-relaxed);
  max-width: none;
}

.accordion__panel-inner a {
  color: var(--color-text-link);
}


/* ═══════════════════════════════════════════════════════════════════════════
   9. PROGRESS BAR
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Reading progress (blog) ──────────────────────────────────────────────── */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--gradient-brand-h);
  z-index: var(--z-top);
  transition: width 0.1s linear;
}

/* ── Quiz step progress ───────────────────────────────────────────────────── */
.quiz-progress {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.quiz-progress__bar-track {
  width: 100%;
  height: 4px;
  background: var(--color-bg-3);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.quiz-progress__bar-fill {
  height: 100%;
  background: var(--gradient-brand-h);
  border-radius: var(--radius-full);
  transition: width var(--t-slow);
}

.quiz-progress__label {
  font-size: var(--text-xs);
  color: var(--color-text-3);
  text-align: right;
}

/* ── Generic progress ─────────────────────────────────────────────────────── */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--color-bg-3);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: var(--gradient-brand-h);
  border-radius: var(--radius-full);
  transition: width var(--t-slow);
}


/* ═══════════════════════════════════════════════════════════════════════════
   10. ALERT / NOTIFICATION / TOAST
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Alert (inline) ───────────────────────────────────────────────────────── */
.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  line-height: var(--lh-relaxed);
}

.alert-success {
  background: var(--color-success-bg);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--color-success);
}

.alert-error {
  background: var(--color-error-bg);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: var(--color-error);
}

.alert-warning {
  background: var(--color-warning-bg);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: var(--color-warning);
}

.alert-info {
  background: var(--color-info-bg);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: var(--color-accent-indigo);
}

/* ── Toast (fixed, top-right) ─────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  top: calc(var(--nav-height) + var(--space-4));
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 360px;
  background: var(--color-bg-card-2);
  border: 1px solid var(--color-border-2);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  box-shadow: var(--shadow-xl);
  font-size: var(--text-sm);
  color: var(--color-text);
  animation: toast-in var(--t-spring) forwards;
}

.toast.is-leaving {
  animation: toast-out var(--t-base) forwards;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(20px); }
}


/* ═══════════════════════════════════════════════════════════════════════════
   11. COOKIE CONSENT BANNER
   ═══════════════════════════════════════════════════════════════════════════ */

.cookie-banner {
  position: fixed;
  bottom: var(--space-6);
  left: var(--space-6);
  right: var(--space-6);
  max-width: 540px;
  z-index: calc(var(--z-modal) - 1);
  background: var(--color-bg-card-2);
  border: 1px solid var(--color-border-2);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-2xl);
  display: none; /* shown via JS when consent not yet given */
  animation: slide-up var(--t-spring) forwards;
}

.cookie-banner.is-visible { display: block; }

@keyframes slide-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.cookie-banner__title {
  font-size: var(--text-base);
  font-weight: var(--fw-semi);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.cookie-banner__text {
  font-size: var(--text-sm);
  color: var(--color-text-2);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-5);
  max-width: none;
}

.cookie-banner__text a {
  color: var(--color-text-link);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

@media (max-width: 479px) {
  .cookie-banner {
    left: var(--space-4);
    right: var(--space-4);
    bottom: var(--space-4);
    padding: var(--space-5);
  }

  .cookie-banner__actions { flex-direction: column; }
  .cookie-banner__actions .btn { justify-content: center; }
}


/* ═══════════════════════════════════════════════════════════════════════════
   12. ADSENSE SLOTS (prepared, inactive)
   All slots are display:none until AdSense approval.
   Activating = removing display:none. Zero layout change.
   Publisher: ca-pub-6748410529334941
   ═══════════════════════════════════════════════════════════════════════════ */

.ad-slot {
  /* INACTIVE — remove display:none when activating */
  display: none;

  /* Reserved dimensions prevent CLS when activated */
  background: transparent;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.ad-slot--leaderboard {
  width: var(--ad-leaderboard-w);
  min-height: var(--ad-leaderboard-h);
  margin-inline: auto;
}

.ad-slot--rectangle {
  width: var(--ad-rectangle-w);
  min-height: var(--ad-rectangle-h);
}

.ad-slot--halfpage {
  width: var(--ad-halfpage-w);
  min-height: var(--ad-halfpage-h);
}

.ad-slot--mobile {
  width: 100%;
  max-width: var(--ad-mobile-banner-w);
  min-height: var(--ad-mobile-banner-h);
  margin-inline: auto;
}

/* Ad wrapper — used in blog/tools articles */
.ad-wrapper {
  display: none; /* same as slot — remove to activate */
  width: 100%;
  display: none;
  align-items: center;
  justify-content: center;
  padding-block: var(--space-4);
}


/* ═══════════════════════════════════════════════════════════════════════════
   13. RESPONSIVE GRID OVERRIDES
   ═══════════════════════════════════════════════════════════════════════════ */

/* Services grid: 3col desktop → 2col tablet → 1col mobile */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1023px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 599px)  { .services-grid { grid-template-columns: 1fr; } }

/* Pricing grid: 3col desktop → 1col mobile (stacked) */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: start;
}

@media (max-width: 1023px) { .pricing-grid { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; } }

/* Blog/card grid: 3col → 2col → 1col */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1023px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 599px)  { .blog-grid { grid-template-columns: 1fr; } }

/* Portfolio grid: 3col → 2col → 1col */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

@media (max-width: 1023px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 599px)  { .portfolio-grid { grid-template-columns: 1fr; } }

/* Stats grid: 4 equal → 2×2 → 1 col */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1023px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 479px)  { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); } }

/* Testimonials: 2col → 1col */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (max-width: 767px) { .testimonials-grid { grid-template-columns: 1fr; } }

/* Tools grid: 3col → 1col */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1023px) { .tools-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 599px)  { .tools-grid { grid-template-columns: 1fr; } }

/* Steps grid (How It Works): 2×2 → 1col */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

@media (max-width: 767px) { .steps-grid { grid-template-columns: 1fr; } }

/* Generic 2-col with sidebar */
.content-sidebar {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-10);
  align-items: start;
}

@media (max-width: 1023px) {
  .content-sidebar {
    grid-template-columns: 1fr;
  }
}