/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
  border: 1px solid transparent;
}

.btn:active {
  transform: translateY(1px) scale(0.99);
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--text-on-accent);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06) inset, 0 8px 30px -8px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1) inset, 0 12px 40px -6px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border-color: var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  border-color: var(--glass-border-strong);
  background: var(--glass-bg-strong);
}

.btn-block {
  width: 100%;
}

.btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-med) var(--ease-out), background var(--dur-med) var(--ease-out);
}

.site-header.is-scrolled {
  background: rgba(5, 7, 13, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.brand-logo {
  display: block;
  height: 35px;
  width: auto;
  max-width: 50vw;
  object-fit: contain;
  flex-shrink: 0;
}

@media (min-width: 960px) {
  .brand-logo {
    height: 41px;
    max-width: 300px;
  }
}

.primary-nav {
  display: none;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.primary-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding-block: var(--space-2);
  transition: color var(--dur-fast) var(--ease-out);
}

.primary-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: right var(--dur-med) var(--ease-out);
  border-radius: 2px;
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--text-primary);
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after {
  right: 0;
}

.header-cta {
  display: none;
}

/* Secondary to the "Book a Free Automation Audit" button — muted, small,
   only shown once there's genuinely enough room (≥1280px) so it never
   crowds the nav at smaller-laptop widths. */
.header-phone {
  display: none;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
  transition: color var(--dur-fast) var(--ease-out);
}

.header-phone svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.header-phone:hover,
.header-phone:focus-visible {
  color: var(--accent);
}

@media (min-width: 1280px) {
  .header-phone {
    display: inline-flex;
  }
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
}

.nav-toggle .icon-close {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-open {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 99;
  background: rgba(5, 7, 13, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-7) var(--space-5);
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out), visibility var(--dur-med);
}

.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

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

.mobile-nav a {
  display: block;
  padding: var(--space-4) var(--space-2);
  font-size: 1.4rem;
  font-weight: 600;
  border-bottom: 1px solid var(--line);
}

.mobile-nav .btn {
  margin-top: var(--space-6);
}

.mobile-nav-phone {
  margin-top: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  color: var(--text-secondary);
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.mobile-nav-phone:hover,
.mobile-nav-phone:focus-visible {
  border-color: var(--glass-border-strong);
  color: var(--text-primary);
}

.mobile-nav-phone svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex-shrink: 0;
}

.mobile-nav-phone span {
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.4;
}

.mobile-nav-phone strong {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* 1120px rather than a typical 960px: at narrower widths "How It Works" +
   Solutions/Results/FAQ + the CTA button don't have room to sit on one line
   without the first nav link wrapping. Below this, the hamburger menu is
   cleaner than a cramped desktop nav. */
@media (min-width: 1120px) {
  .primary-nav {
    display: block;
  }
  .header-cta {
    display: inline-flex;
  }
  .nav-toggle {
    display: none;
  }
  .mobile-nav {
    display: none;
  }
}

/* ---------- Glass panel / card ---------- */
.glass-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out), background var(--dur-med) var(--ease-out);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-strong);
  background: var(--glass-bg-strong);
}

.card-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: var(--space-5);
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 650;
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ---------- Badge / pill ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-secondary);
}

.badge.badge-success {
  color: var(--success);
  border-color: rgba(53, 224, 161, 0.3);
  background: var(--success-soft);
}

.badge.badge-accent {
  color: var(--accent);
  border-color: rgba(51, 214, 255, 0.3);
  background: var(--accent-soft);
}

/* ---------- Form ---------- */
.form-grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .form-grid.two-col {
    grid-template-columns: 1fr 1fr;
  }
}

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

.field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.field label .req {
  color: var(--accent);
}

.field input,
.field select,
.field textarea {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--text-primary);
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-muted);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field textarea {
  resize: vertical;
  min-height: 110px;
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: #ff6868;
  box-shadow: 0 0 0 3px rgba(255, 104, 104, 0.14);
}

.field-error {
  display: none;
  font-size: 0.8rem;
  color: #ff8b8b;
}

.field.has-error .field-error {
  display: block;
}

.form-status {
  margin-top: var(--space-5);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  display: none;
}

.form-status.is-visible {
  display: block;
}

.form-status.success {
  background: var(--success-soft);
  color: var(--success);
  border: 1px solid rgba(53, 224, 161, 0.3);
}

.form-status.error {
  background: rgba(255, 104, 104, 0.1);
  color: #ff9d9d;
  border: 1px solid rgba(255, 104, 104, 0.3);
}

/* ---------- Slider (ROI calculator) ---------- */
.slider-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.slider-label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: 0.9rem;
}

.slider-label-row label {
  color: var(--text-secondary);
  font-weight: 600;
}

.slider-value {
  font-weight: 700;
  color: var(--accent);
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent) var(--fill, 50%), rgba(255, 255, 255, 0.1) var(--fill, 50%));
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 4px var(--accent-soft), 0 2px 8px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: box-shadow var(--dur-fast) var(--ease-out);
}

input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 6px var(--accent-soft), 0 2px 8px rgba(0, 0, 0, 0.4);
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 4px var(--accent-soft), 0 2px 8px rgba(0, 0, 0, 0.4);
  cursor: pointer;
}

input[type="range"]::-moz-range-track {
  height: 6px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
}

input[type="range"]::-moz-range-progress {
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--accent);
}

/* ---------- Accordion (FAQ) ---------- */
.accordion-item {
  border-bottom: 1px solid var(--line);
}

.accordion-item:first-child {
  border-top: 1px solid var(--line);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding: var(--space-6) var(--space-2);
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
}

.accordion-trigger .plus {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  position: relative;
}

.accordion-trigger .plus::before,
.accordion-trigger .plus::after {
  content: "";
  position: absolute;
  background: var(--accent);
  border-radius: 2px;
  transition: transform var(--dur-med) var(--ease-out);
}

.accordion-trigger .plus::before {
  width: 100%;
  height: 2px;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.accordion-trigger .plus::after {
  width: 2px;
  height: 100%;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
}

.accordion-trigger[aria-expanded="true"] .plus::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.accordion-panel {
  height: 0;
  overflow: hidden;
  transition: height var(--dur-med) var(--ease-out);
}

.accordion-panel-inner {
  padding: 0 var(--space-2) var(--space-6);
  color: var(--text-secondary);
  max-width: 68ch;
}

/* ---------- Scroll reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}