:root {
  --red: #c9151e;
  --red-deep: #a60f17;
  --ink: #17191d;
  --muted: #666b72;
  --line: #dedfe2;
  --surface: #f4f5f6;
  --white: #ffffff;
  --green: #1ea952;
  --container: 1200px;
  --radius: 18px;
  --shadow: 0 24px 70px rgb(21 24 29 / 12%);
  --body: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --display: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

body::selection { color: var(--white); background: var(--red); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.section { padding: 112px 0; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: -80px;
  left: 16px;
  padding: 12px 18px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
}

.skip-link:focus { top: 16px; }
.site-header { position: relative; z-index: 20; background: rgb(255 255 255 / 96%); border-bottom: 1px solid var(--line); }
.header-row { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }

.brand-symbol {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--red);
  font-family: var(--display);
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
  clip-path: polygon(50% 0, 95% 22%, 95% 78%, 50% 100%, 5% 78%, 5% 22%);
}

.brand-name { display: flex; flex-direction: column; line-height: 1; }
.brand-name strong { font-family: var(--display); font-size: 21px; font-weight: 900; letter-spacing: -0.04em; }
.brand-name small { margin-top: 6px; color: var(--muted); font-size: 10px; font-weight: 750; letter-spacing: 0.11em; text-transform: uppercase; }
.desktop-nav { display: flex; align-items: center; gap: 28px; }
.desktop-nav a { position: relative; color: #43474d; font-size: 14px; font-weight: 650; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--red); transition: right .25s ease; }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { right: 0; }
.header-contact { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.25; }
.header-contact small { color: var(--red); font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.header-contact strong { font-size: 16px; }

.hero { position: relative; min-height: 710px; display: flex; align-items: center; overflow: hidden; background: #e4e2de; }
.hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgb(255 255 255 / 98%) 0%, rgb(255 255 255 / 91%) 34%, rgb(255 255 255 / 20%) 67%, transparent 100%); }
.hero-content { position: relative; z-index: 2; min-height: 710px; display: flex; align-items: center; justify-content: space-between; gap: 48px; }
.hero-copy { width: min(620px, 57%); padding: 70px 0; }
.overline, .section-kicker { margin: 0 0 18px; color: var(--red); font-size: 12px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.overline { display: flex; align-items: center; gap: 12px; }
.overline span { width: 34px; height: 2px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--display); }

h1 {
  max-width: 650px;
  margin-bottom: 26px;
  font-size: clamp(3.5rem, 6.1vw, 6rem);
  font-weight: 900;
  line-height: .94;
  letter-spacing: -.06em;
  text-transform: uppercase;
}

.hero-text { max-width: 570px; margin-bottom: 34px; color: #4d5157; font-size: 18px; line-height: 1.65; }
.hero-text strong { color: var(--ink); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.button {
  min-height: 56px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--red); box-shadow: 0 12px 30px rgb(201 21 30 / 22%); }
.button-primary:hover { background: var(--red-deep); }
.button-whatsapp { color: #126a36; background: #e9f7ef; }

.hero-price {
  align-self: flex-end;
  margin-bottom: 104px;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  color: var(--white);
  background: rgb(23 25 29 / 94%);
  border-radius: 14px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.hero-price span, .hero-price small { color: #b9bdc2; font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.hero-price strong { font-family: var(--display); font-size: 32px; line-height: 1.25; }
.quick-facts { position: relative; z-index: 4; margin-top: -1px; color: var(--white); background: var(--ink); }
.facts-row { display: grid; grid-template-columns: repeat(3, 1fr); }
.facts-row article { min-height: 150px; padding: 32px 36px; border-right: 1px solid rgb(255 255 255 / 12%); }
.facts-row article:first-child { border-left: 1px solid rgb(255 255 255 / 12%); }
.facts-row span { display: block; margin-bottom: 12px; color: #e94850; font-size: 11px; font-weight: 800; }
.facts-row strong { display: block; margin-bottom: 4px; font-size: 17px; }
.facts-row p { margin: 0; color: #9da1a8; font-size: 14px; }

.product-grid { display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; gap: 90px; }
.section-kicker { margin-bottom: 14px; }
.section-copy h2, .section-head h2, .order-copy h2 {
  margin-bottom: 24px;
  font-size: clamp(2.6rem, 4.5vw, 4.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.05em;
  text-transform: uppercase;
}

.section-copy .lead { color: var(--ink); font-size: 19px; line-height: 1.7; }
.section-copy > p:not(.section-kicker):not(.lead) { color: var(--muted); }
.product-visual { position: relative; }
.product-visual img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.visual-note { position: absolute; left: -34px; bottom: 28px; min-width: 220px; padding: 17px 20px; display: flex; flex-direction: column; color: var(--white); background: var(--red); border-radius: 12px; box-shadow: 0 14px 30px rgb(201 21 30 / 25%); }
.visual-note span { color: rgb(255 255 255 / 72%); font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.visual-note strong { font-size: 16px; }

.specifications { padding-top: 0; }
.specification-grid { margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.specification-grid > div { min-height: 145px; padding: 26px; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.specification-grid dt { color: var(--red); font-size: 11px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.specification-grid dd { margin: 22px 0 0; font-family: var(--display); font-size: 24px; font-weight: 850; line-height: 1.15; text-transform: uppercase; }
.specification-note { margin: 18px 0 0; color: var(--muted); font-size: 12px; }

.section-head { max-width: 780px; margin-bottom: 48px; }
.section-head > p:last-child { max-width: 620px; color: var(--muted); font-size: 17px; }

.gallery { background: var(--surface); }
.gallery-grid { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 280px; gap: 18px; }
.gallery-item { position: relative; grid-column: span 4; margin: 0; overflow: hidden; border-radius: 14px; background: #ddd; }
.gallery-item-wide { grid-column: span 8; }
.gallery-item:nth-child(1), .gallery-item:nth-child(2) { grid-row: span 2; }
.gallery-open { position: absolute; inset: 0; width: 100%; padding: 0; overflow: hidden; background: transparent; border: 0; cursor: zoom-in; }
.gallery-open::before { content: "+"; position: absolute; z-index: 3; top: 16px; right: 16px; width: 38px; height: 38px; display: grid; place-items: center; color: var(--ink); background: rgb(255 255 255 / 88%); border-radius: 50%; font-size: 24px; line-height: 1; transition: color .2s ease, background .2s ease, transform .2s ease; }
.gallery-open:hover::before { color: var(--white); background: var(--red); transform: rotate(90deg); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.gallery-item:hover img { transform: scale(1.025); }
.gallery-item::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgb(0 0 0 / 65%)); pointer-events: none; }
.gallery-item figcaption { position: absolute; z-index: 2; left: 20px; right: 20px; bottom: 18px; color: var(--white); font-size: 14px; font-weight: 750; pointer-events: none; }

.lightbox { width: min(calc(100% - 40px), 1180px); max-width: none; max-height: calc(100vh - 40px); padding: 0; overflow: visible; color: var(--white); background: transparent; border: 0; }
.lightbox::backdrop { background: rgb(10 11 13 / 92%); backdrop-filter: blur(8px); }
.lightbox figure { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.lightbox img { max-width: 100%; max-height: calc(100vh - 100px); object-fit: contain; border-radius: 10px; box-shadow: 0 24px 80px rgb(0 0 0 / 45%); }
.lightbox figcaption { font-size: 13px; font-weight: 750; }
.lightbox-close { position: fixed; z-index: 2; top: 18px; right: 22px; width: 48px; height: 48px; display: grid; place-items: center; color: var(--white); background: rgb(255 255 255 / 12%); border: 1px solid rgb(255 255 255 / 20%); border-radius: 50%; cursor: pointer; font-size: 30px; line-height: 1; }
.lightbox-close:hover { background: var(--red); }
body.lightbox-open { overflow: hidden; }

.calculator { background: var(--white); }
.calculator-shell { display: grid; grid-template-columns: .8fr 1.2fr; overflow: hidden; background: var(--ink); border-radius: 24px; box-shadow: var(--shadow); }
.calculator-copy { min-width: 0; padding: 58px; color: var(--white); background: linear-gradient(145deg, #24272c, #111316); }
.calculator-copy h2 { margin-bottom: 24px; font-size: clamp(2.7rem, 4.5vw, 4.4rem); font-weight: 900; line-height: .98; letter-spacing: -.05em; text-transform: uppercase; }
.calculator-copy > p:not(.section-kicker) { margin-bottom: 34px; color: #b8bcc3; }
.calculator-specs { margin: 0; display: grid; gap: 0; border-top: 1px solid rgb(255 255 255 / 14%); }
.calculator-specs div { padding: 15px 0; display: flex; justify-content: space-between; gap: 24px; border-bottom: 1px solid rgb(255 255 255 / 14%); }
.calculator-specs dt { color: #989da5; font-size: 12px; }
.calculator-specs dd { margin: 0; font-size: 13px; font-weight: 800; text-align: right; }
.calculator-panel { min-width: 0; padding: 58px; color: var(--ink); background: var(--white); }
.calculator-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.calculator-field { display: flex; flex-direction: column; gap: 8px; }
.calculator-field > span:first-child { font-size: 12px; font-weight: 800; }
.calculator-input { position: relative; display: block; }
.calculator-field input, .calculator-field select { width: 100%; min-height: 58px; padding: 0 48px 0 16px; color: var(--ink); background: var(--surface); border: 1px solid transparent; border-radius: 10px; outline: none; font-size: 17px; font-weight: 700; transition: border-color .2s ease, background .2s ease; }
.calculator-field select {
  height: 58px;
  min-height: 58px;
  padding-right: 46px;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='8' viewBox='0 0 14 8'%3E%3Cpath d='m1 1 6 6 6-6' fill='none' stroke='%2317191d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 14px 8px;
}
.calculator-field input:focus, .calculator-field select:focus { background-color: var(--white); border-color: var(--red); }
.calculator-input small { position: absolute; top: 50%; right: 16px; color: var(--muted); font-size: 12px; font-weight: 800; transform: translateY(-50%); pointer-events: none; }
.calculator-results { margin: 28px 0 20px; display: grid; grid-template-columns: .8fr 1fr .85fr 1.15fr; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.calculator-results > div { min-height: 94px; padding: 18px; display: flex; flex-direction: column; justify-content: center; border-right: 1px solid var(--line); }
.calculator-results > div:last-child { border-right: 0; }
.calculator-results span { color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.calculator-results strong { margin-top: 4px; font-family: var(--display); font-size: 22px; line-height: 1.2; }
.calculator-results .calculator-result-main { color: var(--white); background: var(--red); }
.calculator-results .calculator-result-main span { color: rgb(255 255 255 / 72%); }
.calculator-submit { width: 100%; color: var(--white); background: var(--ink); }
.calculator-submit:hover { background: #000; }
.calculator-note { margin: 12px 0 0; color: var(--muted); font-size: 11px; line-height: 1.5; }

.delivery { background: var(--surface); }
.delivery-grid { display: grid; grid-template-columns: .72fr 1.28fr; align-items: start; gap: 80px; }
.delivery-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.delivery-card { min-height: 330px; padding: 34px; display: flex; flex-direction: column; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); }
.delivery-card > span { color: var(--red); font-size: 11px; font-weight: 850; }
.delivery-card h3 { margin: 78px 0 14px; font-size: 30px; font-weight: 900; text-transform: uppercase; }
.delivery-card address, .delivery-card p { margin: 0 0 28px; color: var(--muted); font-size: 15px; font-style: normal; }
.delivery-link { min-height: 44px; margin-top: auto; align-self: flex-start; display: inline-flex; align-items: center; padding-top: 4px; font-size: 13px; font-weight: 850; border-bottom: 2px solid var(--red); }
.delivery-card-dark { color: var(--white); background: var(--ink); }
.delivery-card-dark > span { color: #ee4a52; }
.delivery-card-dark p { color: #a8acb3; }
.delivery-card-dark .delivery-link { border-bottom-color: #ee4a52; }

.order-section { padding: 104px 0; color: var(--white); background: var(--red); }
.order-grid { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 90px; }
.section-kicker-light { color: rgb(255 255 255 / 70%); }
.order-copy p:not(.section-kicker) { max-width: 470px; color: rgb(255 255 255 / 80%); }
.order-phone { margin-top: 32px; display: inline-flex; flex-direction: column; line-height: 1.2; }
.order-phone small { color: rgb(255 255 255 / 66%); font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.order-phone strong { margin-top: 5px; font-size: 25px; }

.lead-form { padding: 34px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; color: var(--ink); background: var(--white); border-radius: var(--radius); box-shadow: 0 26px 70px rgb(80 4 8 / 25%); }
.field { display: flex; flex-direction: column; gap: 7px; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: 12px; font-weight: 800; }
.field input, .field textarea { width: 100%; padding: 14px 15px; color: var(--ink); background: var(--surface); border: 1px solid transparent; border-radius: 9px; outline: none; font-size: 16px; transition: border-color .2s ease, background .2s ease; }
.field textarea { min-height: 100px; resize: vertical; }
.field input:focus, .field textarea:focus { background: var(--white); border-color: var(--red); }
.button-submit { width: 100%; color: var(--white); background: var(--ink); }
.button-submit:hover { background: #000; }
.form-note { margin: -6px 0 0; color: var(--muted); font-size: 11px; line-height: 1.5; }

.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.faq-grid .section-head { margin-bottom: 0; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 24px 50px 24px 0; cursor: pointer; list-style: none; font-weight: 750; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 18px; color: var(--red); font-size: 25px; font-weight: 400; transition: transform .2s ease; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { max-width: 680px; margin: -6px 0 24px; color: var(--muted); font-size: 15px; }

.site-footer { padding: 44px 0; color: #a9adb3; background: #0f1012; }
.footer-grid { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 60px; }
.brand-inverse .brand-name strong { color: var(--white); }
.footer-grid > p { max-width: 430px; margin: 0; font-size: 13px; }
.footer-contact { display: flex; flex-direction: column; align-items: flex-end; }
.footer-contact a { color: var(--white); font-size: 17px; font-weight: 750; }
.footer-contact small { margin-top: 6px; font-size: 11px; }

.floating-whatsapp { position: fixed; z-index: 50; right: 24px; bottom: 24px; min-height: 54px; padding: 0 20px 0 15px; display: flex; align-items: center; gap: 10px; color: var(--white); background: var(--green); border-radius: 999px; box-shadow: 0 14px 35px rgb(18 109 54 / 30%); font-size: 14px; font-weight: 800; transition: transform .2s ease, background .2s ease; }
.floating-whatsapp:hover { transform: translateY(-3px); background: #178f45; }
.floating-whatsapp svg { width: 26px; fill: currentColor; }
.floating-whatsapp.is-hidden { opacity: 0; pointer-events: none; transform: translateY(12px); }
.button:focus-visible, button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid #222; outline-offset: 3px; }
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1000px) {
  .desktop-nav { display: none; }
  .hero, .hero-content { min-height: 650px; }
  .hero-copy { width: 68%; }
  .product-grid, .order-grid, .faq-grid, .delivery-grid { gap: 50px; }
  .gallery-grid { grid-auto-rows: 230px; }
  .delivery-grid { grid-template-columns: 1fr; }
  .calculator-copy, .calculator-panel { padding: 42px; }
  .calculator-results { grid-template-columns: 1fr 1fr; }
  .calculator-results > div:nth-child(2n) { border-right: 0; }
  .calculator-results > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .calculator-results > div:last-child { grid-column: auto; border-bottom: 0; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .section { padding: 68px 0; }
  .site-header { position: sticky; top: 0; }
  .header-row { min-height: 74px; }
  .brand-symbol { width: 42px; height: 42px; }
  .brand-name strong { font-size: 18px; }
  .brand-name small { font-size: 9px; }
  .header-contact small { display: none; }
  .header-contact { min-height: 44px; justify-content: center; }
  .header-contact strong { font-size: 13px; }
  .hero { min-height: max(680px, calc(100svh - 74px)); align-items: flex-end; }
  .hero-image { object-position: 66% center; }
  .hero-overlay { background: linear-gradient(180deg, rgb(255 255 255 / 15%) 0%, rgb(255 255 255 / 84%) 47%, var(--white) 68%); }
  .hero-content { min-height: max(680px, calc(100svh - 74px)); align-items: flex-end; padding-bottom: 32px; }
  .hero-copy { width: 100%; padding: 0; }
  h1 { margin-bottom: 18px; font-size: clamp(2.7rem, 13vw, 3.75rem); overflow-wrap: break-word; }
  .hero-text { margin-bottom: 24px; font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-price { display: none; }
  .facts-row { grid-template-columns: 1fr; padding: 12px 0; }
  .facts-row article { min-height: 0; padding: 20px 0; border-right: 0; border-bottom: 1px solid rgb(255 255 255 / 12%); }
  .facts-row article:first-child { border-left: 0; }
  .product-grid, .order-grid, .faq-grid { grid-template-columns: 1fr; gap: 42px; }
  .section-copy h2, .section-head h2, .order-copy h2 { max-width: 100%; font-size: clamp(2.25rem, 10.5vw, 3.25rem); line-height: .98; overflow-wrap: break-word; }
  .section-copy .lead { font-size: 17px; }
  .product-visual { padding-left: 14px; }
  .visual-note { left: 0; bottom: 18px; min-width: 190px; }
  .section-head { margin-bottom: 34px; }
  .specification-grid { grid-template-columns: 1fr 1fr; }
  .specification-grid > div { min-height: 132px; padding: 18px; }
  .specification-grid dd { font-size: 20px; }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 190px; gap: 12px; }
  .gallery-item, .gallery-item-wide { grid-column: auto; grid-row: auto !important; }
  .gallery-item:first-child { grid-column: 1 / -1; min-height: 250px; }
  .gallery-item figcaption { left: 14px; right: 14px; bottom: 13px; font-size: 12px; line-height: 1.3; }
  .gallery-open::before { top: 12px; right: 12px; width: 34px; height: 34px; font-size: 21px; }
  .calculator-shell { grid-template-columns: 1fr; border-radius: 18px; }
  .calculator-copy { padding: 30px 24px 26px; }
  .calculator-panel { padding: 28px 24px 30px; }
  .calculator-copy h2 { max-width: 100%; margin-bottom: 18px; font-size: clamp(2.25rem, 10.5vw, 3.25rem); line-height: .96; letter-spacing: -.045em; text-wrap: balance; overflow-wrap: break-word; }
  .calculator-copy > p:not(.section-kicker) { margin-bottom: 24px; font-size: 15px; line-height: 1.6; }
  .calculator-specs div { padding: 12px 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: baseline; gap: 12px; }
  .calculator-specs dt { min-width: 0; }
  .calculator-specs dd { white-space: nowrap; }
  .calculator-fields { grid-template-columns: 1fr; }
  .calculator-results { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .calculator-results > div { min-height: 82px; padding: 15px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .calculator-results > div:nth-child(2n) { border-right: 0; }
  .calculator-results > div:nth-child(n+3) { border-bottom: 0; }
  .calculator-results > div:last-child { grid-column: auto; }
  .calculator-results strong { font-size: 20px; }
  .delivery-cards { grid-template-columns: 1fr; }
  .delivery-card { min-height: 0; padding: 26px; }
  .delivery-card h3 { margin: 30px 0 10px; font-size: 27px; }
  .delivery-card address, .delivery-card p { margin-bottom: 22px; }
  .order-section { padding: 76px 0; }
  .lead-form { padding: 24px; grid-template-columns: 1fr; gap: 16px; }
  .field-full { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-contact { align-items: flex-start; }
  .footer-contact a { min-height: 44px; display: inline-flex; align-items: center; }
  .floating-whatsapp { right: 14px; bottom: max(14px, env(safe-area-inset-bottom)); width: 50px; height: 50px; min-height: 50px; padding: 0; justify-content: center; transition: opacity .2s ease, transform .2s ease, background .2s ease; }
  .floating-whatsapp svg { width: 23px; }
  .floating-whatsapp span { display: none; }
}

@media (max-width: 480px) {
  .container { width: calc(100% - 24px); }
  .section { padding: 60px 0; }
  .header-row { gap: 12px; }
  .header-contact { min-height: 40px; padding: 0 13px; display: inline-flex; align-items: center; justify-content: center; color: var(--white); background: var(--ink); border-radius: 999px; }
  .header-contact strong { font-size: 0; }
  .header-contact strong::after { content: "Позвонить"; font-size: 12px; }
  .hero, .hero-content { min-height: max(660px, calc(100svh - 74px)); }
  .overline { font-size: 10px; }
  .calculator-copy { padding: 26px 18px 22px; }
  .calculator-panel { padding: 24px 18px 26px; }
  .calculator-copy h2 { font-size: clamp(2.15rem, 10vw, 2.75rem); }
  .calculator-specs dt { font-size: 11px; }
  .calculator-specs dd { font-size: 12px; }
  .order-section { padding: 60px 0; }
  .lead-form { padding: 20px; }
  .button { padding-inline: 18px; }
}

@media (max-width: 350px) {
  .brand-name small { display: none; }
  .header-contact { padding-inline: 11px; }
  .specification-grid, .gallery-grid, .calculator-results { grid-template-columns: 1fr; }
  .gallery-grid { grid-auto-rows: 230px; }
  .gallery-item:first-child { grid-column: auto; min-height: 260px; }
  .calculator-results > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .calculator-results > div:nth-child(n+3) { border-bottom: 1px solid var(--line); }
  .calculator-results > div:last-child { border-bottom: 0; }
  .calculator-submit { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}