:root {
  --orange: #F45B26;
  --blue: #234E70;
  --black: #151312;
  --cream: #FFF7EF;
  --white: #ffffff;
  --line: rgba(21, 19, 18, 0.18);
  --max: 1440px;
  --pad: clamp(20px, 4vw, 68px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--black);
  background: var(--cream);
  line-height: 1.45;
}
button, input, select { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 76px;
  padding: 12px var(--pad);
  background: var(--orange);
  border-bottom: 1px solid rgba(21,19,18,.25);
}
.brand {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: .8;
  min-width: 82px;
}
.brand-dos { font-size: 30px; font-weight: 900; letter-spacing: -2px; }
.brand-editores { font-size: 14px; font-weight: 500; letter-spacing: -.4px; margin-top: 5px; }
.main-nav { display: flex; align-items: center; gap: 25px; font-size: 12px; font-weight: 800; text-transform: uppercase; }
.main-nav a { border-bottom: 2px solid transparent; padding: 10px 0 8px; }
.main-nav a:hover, .main-nav a:focus-visible { border-color: var(--blue); }
.main-nav .nav-cta { background: var(--blue); color: var(--cream); padding: 13px 18px; border: 0; }
.menu-toggle { display: none; background: none; border: 0; padding: 8px; }
.menu-toggle span:not(.sr-only) { display: block; width: 26px; height: 2px; background: var(--black); margin: 5px 0; }

.section-orange { background: var(--orange); color: var(--black); }
.section-black { background: var(--black); color: var(--cream); }
.section-blue { background: var(--blue); color: var(--cream); }
.section-light { background: var(--cream); color: var(--black); }

.hero {
  min-height: 635px;
  display: grid;
  grid-template-columns: .95fr 1.05fr .9fr;
  gap: 34px;
  align-items: center;
  padding: 48px var(--pad) 54px;
  position: relative;
  overflow: hidden;
}
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: auto;
  pointer-events: none;
  opacity: .35;
}
.hero::before {
  width: 220px;
  height: 220px;
  left: -70px;
  bottom: -80px;
  border: 1px solid var(--blue);
  background-image:
    linear-gradient(var(--blue) 1px, transparent 1px),
    linear-gradient(90deg, var(--blue) 1px, transparent 1px);
  background-size: 25px 25px;
}
.hero::after {
  width: 100px;
  height: 100px;
  right: 38px;
  top: 25px;
  border-top: 1px solid var(--black);
  border-right: 1px solid var(--black);
}
.eyebrow {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.orange-text { color: var(--orange); }
.hero h1 {
  margin: 0;
  font-size: clamp(68px, 8vw, 130px);
  line-height: .78;
  letter-spacing: -.075em;
  font-weight: 900;
}
.hero h1 span { color: var(--cream); }
.hero-text {
  max-width: 470px;
  margin: 28px 0 32px;
  font-size: clamp(17px, 1.4vw, 21px);
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  min-height: 52px;
  padding: 14px 22px;
  border: 1px solid currentColor;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  transition: transform .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-blue { background: var(--blue); color: var(--cream); border-color: var(--blue); }
.full-width { width: 100%; }

.hero-books {
  position: relative;
  min-height: 500px;
  align-self: end;
}
.blue-panel {
  position: absolute;
  right: 5%;
  top: 50px;
  width: 36%;
  height: 72%;
  background: var(--blue);
}
.book {
  position: absolute;
  filter: drop-shadow(0 24px 18px rgba(21,19,18,.25));
}
.book-standing {
  width: 280px;
  height: 390px;
  left: 20%;
  top: 10px;
  transform: perspective(900px) rotateY(-7deg);
}
.book-cover {
  position: absolute;
  inset: 0 18px 0 0;
  background: var(--cream);
  border: 1px solid rgba(21,19,18,.2);
  padding: 30px;
}
.book-spine {
  position: absolute;
  top: 10px;
  bottom: 10px;
  right: 0;
  width: 20px;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  background: #ded5c9;
  padding: 14px 3px;
  font-size: 10px;
  text-transform: uppercase;
}
.mini-logo { font-size: 17px; font-weight: 900; line-height: .75; }
.mini-logo small { font-size: 8px; font-weight: 500; }
.book-title {
  display: block;
  margin-top: 65px;
  font-size: 25px;
  font-weight: 900;
  line-height: .92;
}
.crop-lines {
  position: absolute;
  width: 76px;
  height: 110px;
  right: 35px;
  bottom: 50px;
  border: 1px solid var(--blue);
  background:
    linear-gradient(var(--blue) 1px, transparent 1px),
    linear-gradient(90deg, var(--blue) 1px, transparent 1px);
  background-size: 10px 10px;
}
.book-stack {
  position: absolute;
  left: 12%;
  right: 0;
  bottom: 16px;
}
.stack-book {
  height: 48px;
  margin: 9px 0;
  padding: 14px 24px;
  border: 1px solid rgba(21,19,18,.22);
  box-shadow: 0 9px 13px rgba(21,19,18,.15);
  font-size: 12px;
  text-transform: uppercase;
}
.stack-book span { float: right; font-weight: 900; }
.stack-book.cream { background: var(--cream); }
.stack-book.blue { background: var(--blue); color: var(--cream); margin-left: -30px; }
.stack-book.black { background: var(--black); color: var(--cream); margin-left: 16px; }

.hero-offers {
  align-self: stretch;
  display: grid;
  align-content: center;
  gap: 18px;
  position: relative;
  z-index: 2;
}
.speed-card,
.proof-offer {
  padding: 28px;
  border: 2px solid var(--black);
  background: rgba(255,247,239,.12);
}
.speed-card {
  border-left: 10px solid var(--blue);
}
.speed-card span,
.proof-offer span { display: block; }
.speed-kicker,
.proof-kicker {
  color: var(--blue);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1.1;
}
.speed-card strong {
  display: block;
  margin: 8px 0 4px;
  font-size: clamp(68px, 7vw, 112px);
  line-height: .82;
  letter-spacing: -.075em;
}
.speed-limit {
  margin-top: 12px;
  font-size: 17px;
  font-weight: 900;
  text-transform: uppercase;
}
.speed-card p,
.proof-offer p {
  max-width: 420px;
  margin: 14px 0 0;
  font-size: 13px;
}
.proof-offer {
  background: var(--blue);
  color: var(--cream);
  border-color: var(--blue);
}
.proof-offer .proof-kicker { color: var(--cream); }
.proof-offer strong {
  display: block;
  margin: 6px 0 9px;
  color: var(--orange);
  font-size: clamp(34px, 3.3vw, 55px);
  line-height: .92;
  letter-spacing: -.045em;
}
.proof-price {
  font-size: 16px;
  font-weight: 900;
  text-transform: uppercase;
}

.section-tabs {
  position: sticky;
  top: 76px;
  z-index: 40;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  background: var(--cream);
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
}
.section-tabs a {
  padding: 19px 10px;
  text-align: center;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 800;
  border-right: 1px solid var(--line);
}
.section-tabs a:last-child { border-right: 0; }
.section-tabs a:hover, .section-tabs a.active { color: var(--orange); box-shadow: inset 0 -3px 0 var(--blue); }

.formats-section,
.customization-section,
.process-section,
.gallery-section,
.faq-section {
  padding: 78px var(--pad);
}
.section-heading {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  gap: 20px;
  max-width: var(--max);
  margin: 0 auto 42px;
}
.section-number {
  font-size: 14px;
  font-weight: 900;
  color: var(--orange);
}
.section-heading h2,
.calculator-intro h2,
.final-cta h2 {
  margin: 0;
  font-size: clamp(34px, 4.2vw, 68px);
  line-height: .95;
  letter-spacing: -.055em;
}
.publication-grid {
  max-width: var(--max);
  margin: auto;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.publication-grid article {
  min-height: 205px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 20px;
  text-align: center;
}
.publication-grid h3 { margin: 0; font-size: 13px; text-transform: uppercase; }
.mini-book {
  width: 55px;
  height: 78px;
  border: 1px solid var(--black);
  box-shadow: 6px 5px 0 rgba(21,19,18,.1);
  position: relative;
}
.mini-book::before,
.mini-book::after {
  content: "";
  position: absolute;
  background: currentColor;
}
.mini-book::before { left: 12px; right: 12px; height: 1px; top: 25px; }
.mini-book::after { left: 12px; right: 18px; height: 1px; top: 34px; }
.orange-book { background: var(--orange); color: var(--blue); }
.blue-book { background: var(--blue); color: var(--cream); }
.black-book { background: var(--black); color: var(--orange); }
.cream-book { background: var(--cream); color: var(--blue); }
.mini-book.alt { transform: rotate(4deg); }

.customization-grid {
  max-width: var(--max);
  margin: auto;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid rgba(255,247,239,.25);
  border-left: 1px solid rgba(255,247,239,.25);
}
.customization-grid article {
  min-height: 255px;
  padding: 30px 22px;
  border-right: 1px solid rgba(255,247,239,.25);
  border-bottom: 1px solid rgba(255,247,239,.25);
}
.customization-grid h3 {
  margin: 24px 0 8px;
  color: var(--orange);
  font-size: 18px;
}
.customization-grid p { margin: 0; font-size: 14px; color: rgba(255,247,239,.78); }
.custom-icon {
  display: block;
  width: 68px;
  height: 68px;
  border: 1px solid var(--cream);
  position: relative;
}
.icon-size::before, .icon-size::after {
  content: ""; position: absolute; border: 1px solid var(--blue);
}
.icon-size::before { width: 26px; height: 40px; left: 13px; top: 12px; }
.icon-size::after { width: 18px; height: 30px; right: 10px; bottom: 7px; }
.icon-paper { background: repeating-linear-gradient(0deg, transparent 0 8px, var(--cream) 8px 9px); }
.icon-finish { background: radial-gradient(circle, var(--orange) 1px, transparent 2px); background-size: 9px 9px; }
.icon-flaps::before { content: ""; position: absolute; inset: 12px 19px; background: var(--cream); }
.icon-flaps::after { content: ""; position: absolute; top: 12px; bottom: 12px; right: 9px; width: 9px; border: 1px solid var(--orange); }
.icon-binding { background: repeating-linear-gradient(90deg, transparent 0 6px, var(--blue) 6px 7px); }
.icon-quantity::before, .icon-quantity::after { content: ""; position: absolute; left: 10px; right: 10px; height: 14px; background: var(--blue); box-shadow: 0 18px 0 var(--blue), 0 36px 0 var(--blue); }

.calculator-section {
  background: var(--black);
  color: var(--cream);
  padding: 76px var(--pad);
}
.calculator-intro {
  max-width: var(--max);
  margin: 0 auto 35px;
}
.calculator-intro h2 { max-width: 800px; }
.calculator-intro > p:last-child { max-width: 650px; color: rgba(255,247,239,.72); }
.calculator-panel {
  max-width: var(--max);
  margin: auto;
  display: grid;
  grid-template-columns: 1.5fr .72fr;
  gap: 34px;
  align-items: start;
}
.calculator-form {
  display: grid;
  gap: 18px;
  padding: 28px;
  border: 1px solid rgba(255,247,239,.2);
}
fieldset { border: 0; padding: 0; margin: 0; }
.number-field {
  display: flex;
  align-items: center;
  gap: 12px;
}
.number-field input,
.postal-input {
  width: 100%;
  min-height: 50px;
  padding: 10px 14px;
  border: 1px solid rgba(255,247,239,.28);
  background: transparent;
  color: var(--cream);
  font-size: 20px;
  font-weight: 900;
}
.number-field span {
  color: rgba(255,247,239,.72);
  font-size: 13px;
  text-transform: uppercase;
}
.field-help {
  margin: 7px 0 0;
  color: rgba(255,247,239,.58);
  font-size: 11px;
}
.proof-check span {
  display: grid;
  gap: 3px;
}
.proof-check small {
  color: rgba(255,247,239,.62);
  font-weight: 400;
}
legend {
  width: 100%;
  margin: 0 0 9px;
  color: rgba(255,247,239,.74);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}
.option-row {
  display: grid;
  grid-template-columns: repeat(6, minmax(60px, 1fr));
  gap: 8px;
}
.option-row.compact { grid-template-columns: repeat(3, minmax(120px, 1fr)); }
.option-row button,
.margin-switch button,
.tab-list button {
  border: 1px solid rgba(255,247,239,.25);
  background: transparent;
  color: var(--cream);
  min-height: 44px;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 800;
}
.option-row button.selected,
.margin-switch button.selected {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--black);
}
.calculator-form select,
.table-tools select {
  width: 100%;
  min-height: 46px;
  padding: 9px 12px;
  border: 1px solid rgba(255,247,239,.25);
  background: var(--black);
  color: var(--cream);
}
.check-row {
  display: flex;
  gap: 11px;
  align-items: center;
  padding: 15px 0 0;
  border-top: 1px solid rgba(255,247,239,.15);
  font-weight: 800;
}
.check-row input { width: 18px; height: 18px; accent-color: var(--orange); }
.price-card {
  position: sticky;
  top: 156px;
  padding: 26px;
  border: 1px solid rgba(255,247,239,.28);
}
.margin-switch { display: grid; grid-template-columns: 1fr 1fr; }
.price-label {
  margin: 28px 0 5px;
  color: rgba(255,247,239,.7);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}
.price-total {
  display: block;
  color: var(--cream);
  font-size: clamp(43px, 5vw, 72px);
  line-height: .95;
  letter-spacing: -.055em;
}
.price-unit { color: var(--orange); font-weight: 900; }
.price-breakdown { margin: 28px 0; }
.price-breakdown div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,247,239,.14);
}
.price-breakdown dt { color: rgba(255,247,239,.65); }
.price-breakdown dd { margin: 0; text-align: right; font-weight: 800; }
.price-note { color: rgba(255,247,239,.66); font-size: 12px; }
.copy-status { min-height: 20px; margin: 10px 0 0; color: var(--orange); font-size: 12px; }

.pricing-tabs {
  max-width: var(--max);
  margin: 48px auto 0;
  border: 1px solid rgba(255,247,239,.2);
}
.tab-list { display: grid; grid-template-columns: 1fr 1fr; }
.tab-list button {
  border: 0;
  border-right: 1px solid rgba(255,247,239,.2);
  border-bottom: 1px solid rgba(255,247,239,.2);
  font-size: 13px;
  text-transform: uppercase;
}
.tab-list button:last-child { border-right: 0; }
.tab-list button[aria-selected="true"] { background: var(--orange); color: var(--black); }
.tab-panel { padding: 22px; }
.table-tools { display: flex; justify-content: flex-end; margin-bottom: 16px; }
.table-tools label { display: flex; align-items: center; gap: 12px; font-size: 12px; font-weight: 900; text-transform: uppercase; }
.table-tools select { width: auto; min-width: 85px; }
.table-scroll { overflow-x: auto; border: 1px solid rgba(255,247,239,.14); }
table { border-collapse: collapse; min-width: 1120px; width: 100%; }
caption { text-align: left; padding: 14px; color: var(--orange); font-weight: 900; text-transform: uppercase; }
th, td { padding: 12px 11px; border: 1px solid rgba(255,247,239,.14); text-align: right; white-space: nowrap; }
th { color: var(--orange); background: rgba(255,255,255,.04); }
th:first-child, td:first-child { position: sticky; left: 0; text-align: left; background: var(--black); z-index: 1; }

.process-grid {
  max-width: var(--max);
  margin: auto;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid rgba(255,247,239,.28);
  border-left: 1px solid rgba(255,247,239,.28);
}
.process-grid li {
  min-height: 220px;
  padding: 28px 22px;
  border-right: 1px solid rgba(255,247,239,.28);
  border-bottom: 1px solid rgba(255,247,239,.28);
}
.process-grid span { color: var(--orange); font-size: 25px; font-weight: 900; }
.process-grid strong { display: block; margin-top: 52px; font-size: 19px; }
.process-grid p { margin: 3px 0 0; color: rgba(255,247,239,.72); }

.mockup-gallery {
  max-width: var(--max);
  margin: auto;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}
.mockup { margin: 0; }
.mockup > div {
  min-height: 190px;
  display: grid;
  place-items: center;
  background: #e8ded2;
  border: 1px solid var(--line);
  overflow: hidden;
}
.mockup figcaption { padding: 9px 0; font-size: 12px; text-align: center; text-transform: uppercase; }
.mock-book-cover {
  width: 105px; height: 150px;
  background: var(--cream);
  border: 1px solid var(--black);
  box-shadow: 10px 10px 0 var(--blue);
  font-size: 12px; font-weight: 900; line-height: 1.1;
  padding: 22px !important;
  place-items: start !important;
}
.page-lines {
  width: 85%;
  height: 75%;
  background:
    linear-gradient(90deg, transparent 49%, rgba(21,19,18,.15) 50%, transparent 51%),
    repeating-linear-gradient(0deg, rgba(21,19,18,.2) 0 1px, transparent 1px 8px);
}
.spine-set { display: flex !important; gap: 5px; align-items: end; }
.spine-set span { width: 30px; height: 140px; background: var(--blue); }
.spine-set span:nth-child(2) { height: 155px; background: var(--orange); }
.spine-set span:nth-child(3) { height: 125px; background: var(--black); }
.flap-shape {
  width: 150px; height: 105px;
  background: var(--cream);
  border: 1px solid var(--black);
  box-shadow: inset 30px 0 0 #e6d8c9, inset -30px 0 0 #e6d8c9;
}
.paper-edge {
  width: 150px; height: 70px;
  transform: skewY(-7deg);
  background: repeating-linear-gradient(0deg, #f5eee4 0 3px, #d9c9b8 3px 4px);
  border: 1px solid rgba(21,19,18,.2);
}
.small-stack {
  width: 145px; height: 90px;
  background: var(--cream);
  border: 1px solid var(--black);
  box-shadow: 0 10px 0 var(--blue), 0 20px 0 var(--orange), 0 30px 0 var(--black);
}

.important-info {
  max-width: var(--max);
  margin: 35px auto 0;
  display: grid;
  grid-template-columns: 1.1fr repeat(5, 1fr);
  border: 1px solid var(--line);
}
.important-info > * { padding: 20px; border-right: 1px solid var(--line); }
.important-info > *:last-child { border-right: 0; }
.important-info h3 { margin: 0; color: var(--orange); text-transform: uppercase; }
.important-info strong { font-size: 13px; text-transform: uppercase; }
.important-info p { font-size: 12px; margin: 8px 0 0; }

.faq-list {
  max-width: var(--max);
  margin: auto;
  border-top: 1px solid rgba(255,247,239,.22);
}
.faq-list details { border-bottom: 1px solid rgba(255,247,239,.22); }
.faq-list summary {
  padding: 22px 0;
  cursor: pointer;
  font-weight: 900;
  color: var(--orange);
}
.faq-list p { max-width: 900px; margin: 0 0 22px; color: rgba(255,247,239,.72); }

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 58px var(--pad);
}
.final-cta h2 { max-width: 850px; }
.site-footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
  padding: 26px var(--pad);
  background: var(--black);
  color: var(--cream);
}
.site-footer nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 11px;
  text-transform: uppercase;
}
.site-footer p { margin: 0; font-size: 11px; }
.brand-footer .brand-dos { color: var(--orange); }

@media (max-width: 1180px) {
  .main-nav { gap: 14px; font-size: 11px; }
  .hero { grid-template-columns: .9fr 1.1fr; }
  .hero-offers { grid-column: 1 / -1; grid-template-columns: 1fr 1fr; }
  .speed-card p, .proof-offer p { max-width: none; }
  .publication-grid { grid-template-columns: repeat(4, 1fr); }
  .customization-grid { grid-template-columns: repeat(3, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .mockup-gallery { grid-template-columns: repeat(3, 1fr); }
  .important-info { grid-template-columns: repeat(3, 1fr); }
  .important-info h3 { grid-column: 1 / -1; border-bottom: 1px solid var(--line); }
}

@media (max-width: 900px) {
  .site-header { min-height: 68px; }
  .menu-toggle { display: block; }
  .main-nav {
    position: absolute;
    left: 0; right: 0; top: 68px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 18px var(--pad);
    background: var(--orange);
    border-top: 1px solid rgba(21,19,18,.2);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 14px 0; border-bottom: 1px solid rgba(21,19,18,.16); }
  .main-nav .nav-cta { text-align: center; margin-top: 10px; }
  .section-tabs { top: 68px; overflow-x: auto; grid-template-columns: repeat(6, minmax(150px, 1fr)); }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 38px; }
  .hero-books { min-height: 430px; }
  .hero h1 { font-size: clamp(67px, 20vw, 105px); }
  .hero-offers { grid-template-columns: 1fr; }
  .calculator-panel { grid-template-columns: 1fr; }
  .price-card { position: static; }
  .option-row { grid-template-columns: repeat(3, 1fr); }
  .option-row.compact { grid-template-columns: 1fr; }
  .section-heading { grid-template-columns: 38px 1fr; }
  .publication-grid { grid-template-columns: repeat(3, 1fr); }
  .important-info { grid-template-columns: repeat(2, 1fr); }
  .site-footer { grid-template-columns: 1fr; text-align: center; }
  .brand-footer { margin: auto; }
}

@media (max-width: 620px) {
  :root { --pad: 18px; }
  .hero-books { min-height: 340px; }
  .book-standing { width: 210px; height: 300px; left: 10%; }
  .book-title { font-size: 19px; margin-top: 45px; }
  .crop-lines { width: 55px; height: 80px; right: 25px; bottom: 38px; }
  .book-stack { left: 3%; }
  .stack-book { height: 40px; padding: 11px 14px; font-size: 9px; }
  .speed-card strong { font-size: 76px; }
  .publication-grid { grid-template-columns: repeat(2, 1fr); }
  .publication-grid article { min-height: 170px; }
  .customization-grid { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .mockup-gallery { grid-template-columns: 1fr 1fr; }
  .important-info { grid-template-columns: 1fr; }
  .important-info > * { border-right: 0; border-bottom: 1px solid var(--line); }
  .calculator-form, .price-card { padding: 20px; }
  .option-row { grid-template-columns: repeat(2, 1fr); }
  .margin-switch { grid-template-columns: 1fr; }
  .price-total { font-size: 44px; }
  .final-cta { align-items: flex-start; flex-direction: column; }
  .final-cta .button { width: 100%; }
}