@keyframes blink {
  50% {
    opacity: 0.35;
  }
}

@media (prefers-reduced-motion: reduce) {
  .op-hero__dot,
  .op-contact-from {
    animation: none;
  }
}

/* === Wave 6 — micro-interactions === */

/* M2: section reveal on scroll. Default state hidden; .is-in unhides. */
.op-section {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 380ms ease-out, transform 380ms ease-out;
  will-change: opacity, transform;
}
.op-section.is-in,
.op-section.op-hero {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .op-section { opacity: 1; transform: none; transition: none; }
}
/* If JS is unavailable (no .js class on html), reveal everything */
html:not(.js) .op-section { opacity: 1; transform: none; }

/* M3: hero title stagger — three lines fade-in 80ms apart */
@media (prefers-reduced-motion: no-preference) {
  .op-hero__line {
    opacity: 0;
    transform: translateY(12px);
    animation: opHeroIn 520ms cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
  }
  .op-hero__line:nth-child(1) { animation-delay: 60ms; }
  .op-hero__line:nth-child(2) { animation-delay: 160ms; }
  .op-hero__line:nth-child(3) { animation-delay: 260ms; }
  .op-hero__lead { opacity: 0; animation: opHeroIn 460ms 380ms ease-out forwards; }
  .op-hero__status { opacity: 0; animation: opHeroIn 460ms 480ms ease-out forwards; }
  .op-hero__cta { opacity: 0; animation: opHeroIn 460ms 580ms ease-out forwards; }
}
@keyframes opHeroIn {
  to { opacity: 1; transform: none; }
}

.op-section {
  padding: var(--s-7) 0;
}

@media (min-width: 1024px) {
  .op-section {
    padding: var(--s-8) 0;
  }
}

.op-section--alt {
  background: var(--paper-warm);
}

.op-section__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: clamp(20px, 5vw, 56px);
  padding-right: clamp(20px, 5vw, 56px);
}

.op-section__inner--two {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-5);
}

@media (min-width: 1024px) {
  .op-section__inner--two {
    grid-template-columns: 5fr 7fr;
  }
}

.op-section__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.75rem, 4vw, var(--t-48));
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 24ch;
  margin-top: var(--s-3);
  margin-bottom: var(--s-4);
  text-wrap: balance;
}

/* Hero */
.op-hero {
  padding-top: clamp(var(--s-6), 14vh, var(--s-8));
}

.op-hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3rem, 12vw, 8rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  margin: var(--s-3) 0;
}

.op-hero__line {
  display: block;
}

.op-hero__line--signal {
  color: var(--signal);
  font-style: italic;
}

.op-hero__lead {
  font-family: var(--font-ui);
  font-size: var(--t-22);
  line-height: 1.4;
  color: var(--ink-72);
  max-width: 50ch;
  margin: var(--s-4) 0;
}

.op-hero__status {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-size: var(--t-14);
  color: var(--ink-72);
  border: 1px solid var(--rule);
  padding: 6px 12px;
  border-radius: 2px;
}

.op-hero__dot {
  width: 6px;
  height: 6px;
  background: var(--signal);
  border-radius: 50%;
  animation: blink 1.6s ease-in-out infinite;
}

.op-hero__cta {
  display: flex;
  gap: var(--s-3);
  margin-top: var(--s-5);
  flex-wrap: wrap;
}

.op-doing-list {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  line-height: 1.7;
  list-style: none;
  padding: 0;
  border-top: 1px solid var(--rule);
  margin: 0;
}

.op-doing-list li {
  padding: var(--s-3) 0;
  border-bottom: 1px solid var(--rule);
}

.op-who-list dt {
  font-family: var(--font-mono);
}

.op-who-note {
  margin-top: var(--s-4);
  color: var(--ink-48);
  font-size: var(--t-14);
}

.op-fix-table {
  width: 100%;
  border-collapse: collapse;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--rule);
  margin-top: var(--s-3);
}

.op-fix-table tbody tr {
  border-bottom: 1px solid var(--rule);
  transition: background 80ms linear;
}

.op-fix-table tbody tr:hover {
  background: var(--signal-soft);
}

.op-fix-table td {
  padding: var(--s-2) var(--s-3);
  vertical-align: top;
  font-size: var(--t-16);
}

.op-fix-code {
  color: var(--ink-48);
  font-size: var(--t-14);
  width: 1%;
  white-space: nowrap;
  letter-spacing: 0.04em;
}

.op-fix-tag {
  color: var(--ink-48);
  font-size: var(--t-12);
  text-align: right;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  width: 1%;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .op-fix-tag {
    display: none;
  }
}

.op-fix-note {
  margin-top: var(--s-3);
  color: var(--ink-48);
}

.op-pricing {
  border-top: 2px solid var(--ink);
  margin-top: var(--s-3);
}

.op-pricing-note {
  font-size: var(--t-14);
  color: var(--ink-48);
  margin-top: var(--s-3);
}

.op-pricing-cta {
  margin-top: var(--s-4);
}

.op-estimate-lead {
  font-size: var(--t-22);
  max-width: 50ch;
  color: var(--ink-72);
  margin: var(--s-4) 0 var(--s-5);
}

.op-estimate-cta {
  margin-top: var(--s-4);
}

.op-receipts {
  list-style: none;
  padding: 0;
  border-top: 2px solid var(--ink);
  margin: var(--s-3) 0 0;
}

.op-receipt {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-4);
  padding: var(--s-3) 0;
  border-bottom: 1px solid var(--rule);
}

@media (min-width: 640px) {
  .op-receipt {
    grid-template-columns: 96px 1fr;
  }
}

.op-receipt__date {
  color: var(--ink-48);
  font-size: var(--t-14);
  padding-top: 4px;
}

.op-receipt__body {
  margin: 0;
  font-size: var(--t-16);
  line-height: 1.5;
}

.op-receipt__loc {
  display: block;
  color: var(--ink-48);
  font-size: var(--t-12);
  margin-top: var(--s-1);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.op-receipts-note {
  margin-top: var(--s-3);
  color: var(--ink-48);
}

.op-journal {
  list-style: none;
  padding: 0;
  border-top: 2px solid var(--ink);
  margin: var(--s-3) 0 0;
}

.op-journal__item {
  border-bottom: 1px solid var(--rule);
}

.op-journal__link {
  display: grid;
  grid-template-columns: 96px 1fr 80px;
  gap: var(--s-4);
  align-items: baseline;
  padding: var(--s-3) 0;
  color: var(--ink);
  text-decoration: none;
  transition: color 100ms linear;
}

.op-journal__link:hover {
  color: var(--signal);
}

.op-journal__link:hover .op-journal__title {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.op-journal__date {
  color: var(--ink-48);
  font-size: var(--t-14);
}

.op-journal__title {
  font-family: var(--font-display);
  font-size: var(--t-22);
}

.op-journal__read {
  color: var(--ink-48);
  font-size: var(--t-12);
  text-align: right;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

@media (max-width: 640px) {
  .op-journal__link {
    grid-template-columns: 80px 1fr;
  }

  .op-journal__read {
    display: none;
  }
}

.op-faq {
  border-top: 2px solid var(--ink);
  margin-top: var(--s-3);
  margin-bottom: 0;
}

.op-faq__row {
  padding: var(--s-3) 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-3);
}

@media (min-width: 768px) {
  .op-faq__row {
    grid-template-columns: 1fr 1fr;
    gap: var(--s-4);
  }
}

.op-faq__row dt {
  font-family: var(--font-display);
  font-size: var(--t-22);
  font-weight: 400;
}

.op-faq__row dd {
  font-family: var(--font-ui);
  font-size: var(--t-16);
  color: var(--ink-72);
  margin: 0;
}

.op-contact-lead {
  font-size: var(--t-18);
  color: var(--ink-72);
  margin-top: var(--s-3);
}

.op-contact-from {
  color: var(--signal);
  animation: blink 1.6s ease-in-out infinite;
}

.op-form {
  position: relative;
  display: grid;
  gap: var(--s-3);
  margin-top: var(--s-4);
  max-width: 720px;
}

.op-form__row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.op-form__row--two {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-3);
}

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

.op-form__label {
  font-size: var(--t-12);
  color: var(--ink-48);
  text-transform: lowercase;
  letter-spacing: 0.04em;
}

.op-form__input {
  font-family: var(--font-ui);
  font-size: var(--t-16);
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  padding: 12px 14px;
  color: var(--ink);
  transition: border-color 80ms linear;
  min-height: 44px;
}

.op-form__input:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
  border-color: var(--signal);
}

.op-form__input[aria-invalid="true"] {
  border-color: var(--signal);
}

.op-form__textarea {
  resize: vertical;
}

.op-form__honey {
  position: absolute;
  left: -10000px;
  height: 0;
  overflow: hidden;
}

.op-form__submit-row {
  display: flex;
  gap: var(--s-3);
  align-items: center;
  flex-wrap: wrap;
  margin-top: var(--s-3);
}

.op-form__legal {
  color: var(--ink-48);
  font-size: var(--t-12);
  margin-top: var(--s-2);
}

.op-form__noscript {
  color: var(--ink-72);
  margin-top: var(--s-3);
}

.field-error {
  color: var(--signal);
  font-size: var(--t-14);
  font-family: var(--font-mono);
  margin-top: 2px;
}

.contact-quote-banner {
  border: 1px solid var(--signal);
  padding: var(--s-2) var(--s-3);
  margin-bottom: var(--s-3);
  font-family: var(--font-mono);
  font-size: var(--t-14);
  display: flex;
  gap: var(--s-3);
  justify-content: space-between;
  align-items: center;
}

.contact-quote-banner .quote-link-muted {
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--signal);
  text-decoration: underline;
  padding: 0;
  font: inherit;
}

.contact-status--loading {
  color: var(--ink-72);
}

.contact-status--success {
  color: var(--signal);
}

.contact-status--error {
  color: var(--signal);
}

.contact-status--captcha {
  color: var(--signal);
}

.contact-status__link {
  color: var(--signal);
}

.contact-status__action {
  background: none;
  border: 1px solid var(--ink);
  padding: 6px 10px;
  border-radius: 2px;
  cursor: pointer;
  font: inherit;
  color: var(--ink);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
}