:root {
  color-scheme: light;
  --color-bg: #f5f7fa;
  --color-bg-alt: #e8eef6;
  --color-surface: #fff;
  --color-text: #15243b;
  --color-text-muted: #4a5b72;
  --color-border: #cbd5e3;
  --color-border-strong: #7e91ab;
  --color-action: #d0192a;
  --color-action-hover: #ae1423;
  --color-on-action: #fff;
  --color-focus: #ffc929;
  --blue: #063b83;
  --blue-light: #0b57ae;
  --blue-dark: #041f49;
  --yellow: #ffd232;
  --font-heading: Bahnschrift, "Arial Narrow", "Segoe UI", sans-serif;
  --font-body: "Segoe UI", Arial, sans-serif;
  --container-wide: 78rem;
  --container-narrow: 47rem;
  --fs-sm: 1rem;
  --fs-xl: 1.7rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --tap-min: 2.75rem;
  --motion-fast: 180ms;
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --z-header: 30;
  --z-menu: 40;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 7rem; }
body { margin: 0; color: var(--color-text); background: var(--color-bg); font: 400 1rem/1.6 var(--font-body); overflow-wrap: anywhere; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, p, ul, ol, figure, blockquote { margin: 0; }
h1, h2, h3 { font-family: var(--font-heading); font-weight: 800; line-height: 1.08; text-wrap: balance; }
h1 { font-size: clamp(2.8rem, 5.6vw, 5.8rem); letter-spacing: -.035em; }
h2 { font-size: clamp(2.1rem, 3.6vw, 3.5rem); letter-spacing: -.025em; }
h3 { font-size: clamp(1.25rem, 1.8vw, 1.5rem); }
p { max-width: 70ch; }
a { color: var(--blue); text-underline-offset: .2em; }
a:hover { color: var(--color-action-hover); }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 4px; }
::selection { color: var(--blue-dark); background: var(--yellow); }
[hidden] { display: none !important; }
.container { width: min(calc(100% - 2.5rem), var(--container-wide)); margin-inline: auto; }
.section { padding-block: clamp(4.5rem, 7vw, 8rem); }
.icon { width: 1.4rem; height: 1.4rem; flex: 0 0 1.4rem; fill: none; stroke: currentColor; }
.skip-link { position: fixed; z-index: 100; top: .75rem; left: .75rem; padding: .75rem 1rem; color: #fff; background: var(--blue-dark); transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .7rem; min-width: var(--tap-min); min-height: 3.35rem; max-width: 100%; padding: .8rem 1.4rem; border: 1px solid transparent; border-radius: .55rem; color: #fff; background: var(--blue); font-weight: 800; line-height: 1.3; text-align: center; text-decoration: none; transition: background-color var(--motion-fast) var(--ease-out), box-shadow var(--motion-fast) var(--ease-out); }
.btn:hover { color: #fff; background: var(--blue-light); box-shadow: 0 9px 20px #041f4933; }
.btn--yellow { color: var(--blue-dark); border-color: #d9ac16; background: var(--yellow); box-shadow: 0 10px 24px #021b4333; }
.btn--yellow:hover { color: var(--blue-dark); background: #ffe270; box-shadow: 0 13px 28px #021b4355; }
.btn[data-cta="principal"] { transform-origin: center; animation: cta-breathe 2.6s ease-in-out infinite; }
.btn[data-cta="principal"]:is(:hover, :focus-visible) { animation: none; transform: translateY(-2px); }
.btn[data-cta="principal"]:active { animation: none; transform: scale(.98); }
@keyframes cta-breathe {
  0%, 100% { transform: scale(1); box-shadow: 0 10px 24px #021b4333, 0 0 0 0 rgb(255 210 50 / 0%); }
  50% { transform: scale(1.045); box-shadow: 0 14px 30px #021b4352, 0 0 0 10px rgb(255 210 50 / 24%); }
}
.btn--ghost { color: #fff; border-color: #a8c2e2; background: transparent; }
.btn--ghost:hover { color: var(--blue-dark); background: #fff; }
.text-link { display: inline-flex; align-items: center; min-height: var(--tap-min); font-weight: 800; text-decoration-thickness: 2px; }

.header { position: sticky; top: 0; z-index: var(--z-header); border-bottom: 1px solid #ffffff33; background: rgb(4 31 73 / 82%); box-shadow: 0 8px 24px rgb(3 26 59 / 16%); -webkit-backdrop-filter: blur(18px) saturate(140%); backdrop-filter: blur(18px) saturate(140%); color: #fff; }
.header--overlay { margin-bottom: calc(-5.6rem - 1px); border-bottom-color: transparent; background: rgb(4 31 73 / 18%); box-shadow: none; transition: background-color var(--motion-fast) var(--ease-out), box-shadow var(--motion-fast) var(--ease-out); }
.header--overlay.is-scrolled, .header--overlay.menu-open { border-bottom-color: #ffffff33; background: rgb(4 31 73 / 92%); box-shadow: 0 8px 24px rgb(3 26 59 / 16%); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; min-height: 5.6rem; }
.header__logo { display: inline-flex; align-items: center; min-height: var(--tap-min); text-decoration: none; }
.header__logo:hover { color: #fff; }
.header__logo img { width: 4rem; height: 4rem; object-fit: cover; border-radius: 50%; }
.nav { display: flex; align-items: center; gap: clamp(.5rem, 1.5vw, 1.5rem); }
.nav a:not(.btn) { display: inline-flex; align-items: center; min-height: var(--tap-min); padding: .4rem; color: #edf5ff; font-size: .9rem; font-weight: 700; text-decoration: none; }
.nav a:not(.btn):hover { color: var(--yellow); }
.nav .nav__contact { min-height: 2.75rem; padding: .4rem .85rem; gap: .4rem; font-size: .84rem; line-height: 1.2; }
.nav .nav__contact .icon { width: 1.05rem; height: 1.05rem; flex-basis: 1.05rem; }
.menu-toggle { display: none; align-items: center; justify-content: center; width: var(--tap-min); height: var(--tap-min); padding: .55rem; border: 1px solid #acc8e7; border-radius: .45rem; color: #fff; background: rgb(255 255 255 / 8%); }
.menu-toggle .icon { width: 1.5rem; height: 1.5rem; flex-basis: 1.5rem; }
.menu-toggle__close, .menu-toggle[aria-expanded="true"] .menu-toggle__open { display: none; }
.menu-toggle[aria-expanded="true"] .menu-toggle__close { display: block; }

.hero { position: relative; overflow: hidden; color: #fff; background: var(--blue); }
.hero::before { content: ""; position: absolute; pointer-events: none; inset: 0 auto auto 55%; width: 44rem; height: 44rem; border: 1px solid #ffffff2b; border-radius: 50%; transform: translateY(-50%); }
.hero__grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: start; gap: clamp(1.25rem, 2.5vw, 2.5rem); min-height: 34rem; padding-block: 7rem 2.5rem; }
.hero h1 { max-width: none; font-size: clamp(2.65rem, 4.6vw, 4.7rem); }
.hero h1 span { color: var(--yellow); }
.hero__lead { max-width: none; margin: 1.4rem 0 1.5rem; color: #e6f0ff; font-size: clamp(1.05rem, 1.4vw, 1.2rem); line-height: 1.5; }
.hero__visual { position: relative; padding: 0 0 1rem 1.5rem; }
.hero__photo { overflow: hidden; aspect-ratio: 4 / 3; border: 1px solid #ffffff66; border-radius: .8rem; background: #0b4b9a; box-shadow: 0 22px 46px #021b4366; }
.hero__photo img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.hero__stamp { position: absolute; left: 1.5rem; bottom: 1.6rem; display: flex; flex-direction: column; align-items: center; justify-content: center; width: 7.25rem; height: 7.25rem; border: .4rem solid var(--blue); border-radius: 50%; color: var(--blue-dark); background: var(--yellow); text-align: center; transform: rotate(-8deg); }
.hero__stamp strong { font-family: var(--font-heading); font-size: 2.35rem; line-height: 1; }
.hero__stamp span { max-width: none; white-space: nowrap; font-size: .67rem; font-weight: 800; line-height: 1.15; text-transform: uppercase; }

.advantages { color: #fff; background: var(--blue-dark); }
.advantages__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.advantages__grid > div { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 1.7rem 1.5rem 1.8rem; text-align: center; }
.advantages__grid > div + div { padding-left: 1.5rem; border-left: 1px solid #b1c5e147; }
.advantages__icon { width: 3.25rem; height: 3.25rem; margin-bottom: .9rem; padding: .55rem; border: 1px solid #ffd23266; border-radius: .75rem; color: var(--yellow); background: #0b3971; }
.advantages strong { display: block; margin-bottom: .55rem; font-family: var(--font-heading); font-size: 1.25rem; line-height: 1.15; }
.advantages p { color: #cfdef0; font-size: .9rem; line-height: 1.45; white-space: nowrap; }

.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 3rem; margin-bottom: 2.7rem; }
.section-heading h2 { max-width: 15ch; }
.section-heading p { max-width: 47ch; color: var(--color-text-muted); font-size: 1.08rem; }
.materials { background: #fff; }
.materials .section-heading { flex-direction: column; align-items: center; justify-content: center; gap: .75rem; text-align: center; }
.materials .section-heading h2 { max-width: none; white-space: nowrap; }
.materials .section-heading p { max-width: none; margin-top: 0; white-space: nowrap; }
.materials__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.15rem; }
.material { position: relative; display: grid; grid-template-columns: 1fr; align-items: stretch; gap: 0; min-height: 0; padding: .55rem; overflow: hidden; border: 1px solid #ffffffdf; border-radius: 1rem; box-shadow: 0 14px 32px #041f491c, inset 0 1px #fff; backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.material::before { position: absolute; inset: 1rem auto 1rem 0; width: .25rem; border-radius: 0 .25rem .25rem 0; background: var(--metal-accent); content: ""; }
.material--galvanized { --metal-accent: #8899ad; background: linear-gradient(135deg, #ffffffa8, #ffffff40), #6e89a84d; }
.material--aluminum { --metal-accent: #7ca7c9; background: linear-gradient(135deg, #ffffffa8, #ffffff40), #6fadd24d; }
.material--copper { --metal-accent: #b97047; background: linear-gradient(135deg, #ffffffa8, #ffffff40), #c4855e4d; }
.material__visual { display: block; width: 100%; aspect-ratio: 4 / 3; overflow: hidden; border: 1px solid #ffffffcc; border-radius: .75rem; background: #e5ddd0; box-shadow: 0 8px 22px #041f4914; }
.material__mark { display: grid; place-items: center; width: 100%; height: 100%; color: #4a5b72; background: repeating-linear-gradient(-45deg, #f6f3ee, #f6f3ee 10px, #ebe4da 10px, #ebe4da 20px); font-family: var(--font-heading); font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-align: center; text-transform: uppercase; outline: 1.5px dashed #8ea0b4; outline-offset: -12px; }
.material__content { padding: 1.3rem clamp(1rem, 2vw, 1.7rem); }
.material h3 { max-width: none; color: var(--blue-dark); font-size: 1.45rem; }
.material p { margin-top: .55rem; color: #354762; font-size: .95rem; line-height: 1.5; }
.materials__action { display: flex; flex-direction: column; align-items: center; gap: .35rem; padding-top: 1.7rem; text-align: center; }

.range { color: #fff; background: var(--blue); }
.range__head { margin-bottom: 2.2rem; text-align: center; }
.range__head h2 { max-width: none; white-space: nowrap; }
.range__head p { max-width: none; margin-top: .75rem; color: #dce9f8; font-size: 1.08rem; }
.range__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin: 0; padding: 0; list-style: none; }
.range__grid li { display: flex; flex-direction: column; align-items: stretch; min-height: 100%; padding: .65rem .65rem 1.2rem; border: 1px solid #ffffff33; border-radius: 1rem; background: #041f4938; text-align: center; }
.range__visual { display: block; width: 100%; aspect-ratio: 4 / 3; overflow: hidden; border-radius: .75rem; background: #e5ddd0; }
.range__mark { display: grid; place-items: center; width: 100%; height: 100%; color: #4a5b72; background: repeating-linear-gradient(-45deg, #f6f3ee, #f6f3ee 10px, #ebe4da 10px, #ebe4da 20px); font-family: var(--font-heading); font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-align: center; text-transform: uppercase; outline: 1.5px dashed #8ea0b4; outline-offset: -12px; }
.range__grid strong { display: block; margin-top: .9rem; font-family: var(--font-heading); font-size: 1.2rem; line-height: 1.15; }
.range__grid li > span:last-child { display: block; max-width: 18ch; margin: .4rem auto 0; color: #d5e4f6; font-size: .92rem; line-height: 1.4; }

.process { background: #fff; }
.process__intro { text-align: center; }
.process__intro h2 { max-width: none; }
.process__intro p { max-width: none; margin-top: .75rem; color: var(--color-text-muted); font-size: 1.05rem; }
.process__steps { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; margin: 3.8rem 0 2rem; padding: 0; list-style: none; }
.process__steps::before { position: absolute; top: -1.55rem; right: 16.7%; left: 16.7%; height: 3px; background: linear-gradient(90deg, var(--blue), var(--yellow), var(--blue)); content: ""; }
.process__steps li { position: relative; display: flex; flex-direction: column; align-items: center; min-height: 17.5rem; padding: 2.3rem 1.4rem 1.7rem; border: 1px solid #dfe7f1; border-radius: .9rem; background: linear-gradient(145deg, #f7f9fc, #edf2f8); box-shadow: 0 12px 26px #041f4912; text-align: center; }
.process__number { position: absolute; top: -3.2rem; left: 50%; display: grid; place-items: center; width: 3.3rem; height: 3.3rem; border: 3px solid #fff; border-radius: 50%; color: var(--blue-dark); background: var(--yellow); font-family: var(--font-heading); font-size: 1.15rem; font-weight: 800; line-height: 1; transform: translateX(-50%); }
.process__icon { flex: 0 0 3.4rem; width: 3.4rem; height: 3.4rem; padding: .7rem; border: 1px solid #0b57ae3b; border-radius: .75rem; color: var(--blue); background: #fff; fill: none; stroke: currentColor; }
.process__steps h3 { margin-top: .9rem; color: var(--blue-dark); font-size: 1.4rem; }
.process__steps p { max-width: 31ch; margin-top: .8rem; color: var(--color-text-muted); font-size: .93rem; line-height: 1.55; }
.process__action { display: flex; justify-content: center; }

.factory { background: var(--color-bg-alt); }
.factory__head { margin-bottom: 2.7rem; text-align: center; }
.factory__head h2 { max-width: none; color: var(--blue-dark); }
.factory__head h2 { white-space: nowrap; }
.factory__split { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); overflow: hidden; border-radius: .9rem; box-shadow: 0 14px 32px #041f491c; }
.factory__side { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 19rem; padding: 2.5rem 3.5rem; text-align: center; }
.factory__side--make { color: #fff; background: var(--blue); }
.factory__side--install { color: var(--blue-dark); background: #fff; }
.factory__icon { flex: 0 0 4.75rem; width: 4.75rem; height: 4.75rem; padding: 1rem; border: 1px solid; border-radius: .9rem; fill: none; stroke: currentColor; }
.factory__logo { flex: 0 0 auto; width: 7rem; height: 7rem; border-radius: 50%; object-fit: cover; box-shadow: 0 10px 24px #021b4366; }
.factory__side--install .factory__icon { margin-block: 1.125rem; border-color: #0b57ae3b; color: var(--blue); background: var(--color-bg-alt); }
.factory__side h3 { margin-top: 1.2rem; font-size: clamp(1.65rem, 2.7vw, 2.45rem); }
.factory__side p { max-width: 28ch; margin-top: .55rem; font-size: 1rem; line-height: 1.5; }
.factory__side--make p { color: #dce9f8; }
.factory__side--install p { color: var(--color-text-muted); }
.factory__arrow { position: absolute; top: 50%; left: 50%; z-index: 1; display: grid; place-items: center; width: 3.6rem; height: 3.6rem; border: .25rem solid #fff; border-radius: 50%; color: var(--blue-dark); background: var(--yellow); box-shadow: 0 6px 16px #041f4926; transform: translate(-50%, -50%); }
.factory__arrow .icon { width: 1.6rem; height: 1.6rem; flex-basis: 1.6rem; stroke-width: 2.4; }
.factory__foot { display: flex; justify-content: center; margin-top: 2.2rem; }

.reviews { overflow: hidden; background: #ecf1f7; }
.reviews h2 { max-width: none; color: var(--blue-dark); text-align: center; white-space: nowrap; }
.reviews__symbols { position: absolute; width: 0; height: 0; overflow: hidden; }
.reviews__track { --edge: max(1.25rem, (100% - var(--container-wide)) / 2); --gap: 1.2rem; display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 2 * var(--gap)) / 3); gap: var(--gap); margin-top: 1.7rem; padding: 1rem var(--edge) 2.6rem; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory; scroll-padding-inline: var(--edge); scrollbar-width: none; -webkit-mask-image: linear-gradient(90deg, transparent, #000 var(--edge), #000 calc(100% - var(--edge)), transparent); mask-image: linear-gradient(90deg, transparent, #000 var(--edge), #000 calc(100% - var(--edge)), transparent); }
.reviews__track::-webkit-scrollbar { display: none; }
.review { display: flex; flex-direction: column; padding: 1.9rem 1.7rem 1.6rem; border-radius: .9rem; background: #fff; box-shadow: 0 12px 26px #041f4912; scroll-snap-align: start; }
.review__quote { flex: 0 0 auto; width: 2.4rem; height: 2.4rem; color: var(--yellow); fill: currentColor; }
.review blockquote { flex: 1; margin-top: .9rem; color: var(--blue-dark); font-family: var(--font-heading); font-size: 1.3rem; font-weight: 800; line-height: 1.3; text-wrap: pretty; }
.review figcaption { display: flex; align-items: center; gap: .8rem; margin-top: 1.5rem; padding-top: 1.2rem; border-top: 1px solid #d8e2ef; }
.review img { flex: 0 0 3.25rem; width: 3.25rem; height: 3.25rem; border-radius: 50%; object-fit: cover; }
.review figcaption strong { display: block; color: var(--blue-dark); font-size: .95rem; line-height: 1.25; }
.review__stars { display: flex; gap: .2rem; margin-top: .2rem; color: #e9a800; }
.review__stars svg { width: 1.1rem; height: 1.1rem; fill: currentColor; }
.reviews__controls { display: none; align-items: center; justify-content: center; gap: 1.1rem; margin-top: -.2rem; }
.js .reviews__controls { display: flex; }
.reviews__nav { display: grid; place-items: center; width: 3rem; height: 3rem; padding: 0; border: 0; border-radius: 50%; color: #fff; background: var(--blue); box-shadow: 0 8px 18px #041f4926; transition: background-color var(--motion-fast) var(--ease-out), opacity var(--motion-fast) var(--ease-out); }
.reviews__nav:hover { background: var(--blue-light); }
.reviews__nav[aria-disabled="true"] { opacity: .35; cursor: default; }
.reviews__nav[aria-disabled="true"]:hover { background: var(--blue); }
.reviews__nav .icon { width: 1.35rem; height: 1.35rem; flex-basis: 1.35rem; stroke-width: 2.4; }
.reviews__nav--prev .icon { transform: rotate(180deg); }
.reviews__dots { display: flex; gap: .2rem; }
.reviews__dots button { display: grid; place-items: center; width: 1.6rem; height: var(--tap-min); padding: 0; border: 0; background: none; }
.reviews__dots button::before { width: .6rem; height: .6rem; border-radius: 1rem; background: #b3c3d8; content: ""; transition: width var(--motion-fast) var(--ease-out), background-color var(--motion-fast) var(--ease-out); }
.reviews__dots button[aria-current="true"]::before { width: 1.4rem; background: var(--blue); }
.reviews__action { display: flex; justify-content: center; margin-top: 2.2rem; }

.faq { background: #fff; }
.faq__head { text-align: center; }
.faq__head h2 { max-width: none; color: var(--blue-dark); white-space: nowrap; }
.faq__head p { max-width: none; margin-top: .75rem; color: var(--color-text-muted); font-size: 1.05rem; }
.faq__items { display: grid; gap: .75rem; max-width: 52rem; margin: 2.7rem auto 0; }
.faq__items details { border: 1px solid #dfe7f1; border-radius: .9rem; background: #f7f9fc; transition: background-color var(--motion-fast) var(--ease-out), border-color var(--motion-fast) var(--ease-out), box-shadow var(--motion-fast) var(--ease-out); }
.faq__items details[open] { border-color: #c9d8ea; background: #fff; box-shadow: 0 12px 26px #041f4912; }
.faq__items summary { display: flex; align-items: center; gap: 1rem; min-height: 4.25rem; padding: .9rem 1.25rem; list-style: none; cursor: pointer; }
.faq__items summary::-webkit-details-marker { display: none; }
.faq__icon { display: grid; place-items: center; flex: 0 0 2.75rem; width: 2.75rem; height: 2.75rem; border: 1px solid #0b57ae3b; border-radius: .7rem; color: var(--blue); background: var(--color-bg-alt); }
.faq__icon .icon { width: 1.35rem; height: 1.35rem; flex-basis: 1.35rem; }
.faq__items details[open] .faq__icon { border-color: #d9ac16; color: var(--blue-dark); background: var(--yellow); }
.faq__q { flex: 1; min-width: 0; color: var(--blue-dark); font-family: var(--font-heading); font-size: 1.15rem; font-weight: 800; line-height: 1.25; }
.faq__chev { color: var(--blue); transition: transform var(--motion-fast) var(--ease-out); }
.faq__items details[open] .faq__chev { transform: rotate(180deg); }
.faq__items p { max-width: none; padding: 0 1.25rem 1.3rem 5rem; color: var(--color-text-muted); }
.faq__action { display: flex; flex-direction: column; align-items: center; gap: 1rem; margin-top: 2.4rem; text-align: center; }
.faq__action p { color: var(--blue-dark); font-family: var(--font-heading); font-size: 1.2rem; font-weight: 800; }


.footer { padding-top: 4rem; color: #e8f1fd; background: #031a3b; }
.footer__grid { display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 3rem; padding-bottom: 3rem; }
.footer__brand { width: 4rem; height: 4rem; margin-bottom: 1rem; border-radius: 50%; object-fit: cover; }
.footer h2 { margin-bottom: 1rem; font-size: 1.08rem; letter-spacing: .02em; }
.footer p { margin-bottom: .7rem; color: #d1e1f5; font-size: .9rem; }
.footer a { color: #fff; }
.footer a:hover { color: var(--yellow); }
.footer__grid a { display: inline-flex; align-items: center; min-height: var(--tap-min); }
.footer__social { display: flex; flex-direction: column; align-items: flex-start; gap: .3rem; }
.footer__social a { gap: .6rem; }
.footer__item { display: flex; align-items: flex-start; gap: .6rem; }
.footer__item--link { align-items: center; }
.footer .icon { width: 1.15rem; height: 1.15rem; flex-basis: 1.15rem; color: var(--yellow); }
.footer__item:not(.footer__item--link) .icon { margin-top: .12rem; }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 1.25rem 0 6rem; border-top: 1px solid #ffffff42; }
.footer__bottom p { margin: 0; }
.footer__bottom nav { display: flex; flex-wrap: wrap; gap: .5rem 1.3rem; }
.footer__bottom nav a { min-height: var(--tap-min); display: inline-flex; align-items: center; font-size: .86rem; }
.footer__signature { display: inline-flex; align-items: center; gap: .4rem; white-space: nowrap; color: #fff !important; line-height: 1.3; }
.footer__signature a { display: inline-flex; align-items: center; min-height: var(--tap-min); }
.footer__signature img { display: inline-block; width: auto; height: 1.5em; max-width: 9rem; }

.draft-notice { max-width: none; margin: 0; padding: .9rem 1.2rem; color: #172b48; background: #ffe69b; font-size: .9rem; text-align: center; }
.legal { width: min(calc(100% - 2.5rem), 51rem); margin-inline: auto; padding-block: 0 2rem; }
.legal h1 { font-size: clamp(2.4rem, 4vw, 3.6rem); }
.legal h2 { margin-top: 2.7rem; font-size: 1.7rem; }
.legal h3 { margin-top: 1.6rem; font-size: 1.25rem; }
.legal p, .legal li { margin-top: .8rem; }
.legal ul { padding-left: 1.5rem; }
.legal__updated { color: var(--color-text-muted); }
.legal__lead { margin-top: 1.4rem; color: var(--color-text-muted); }

@media (max-width: 1050px) {
  .reviews__track { grid-auto-columns: calc((100% - var(--gap)) / 2); }
  .nav { gap: .5rem; }
  .nav a:not(.btn) { font-size: .82rem; }
  .advantages__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .advantages__grid > div, .advantages__grid > div + div { padding-inline: 1.5rem; border-left: 0; }
  .advantages__grid > div:nth-child(even) { border-left: 1px solid #b1c5e147; }
  .advantages__grid > div:last-child:nth-child(odd) { grid-column: 1 / -1; padding-top: 1.5rem; border-top: 1px solid #b1c5e147; }
}
@media (max-width: 980px) {
  .process__steps { gap: .9rem; }
  .process__steps li { padding-inline: 1rem; }
  .materials__grid { grid-template-columns: 1fr; }
  .range__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 850px) {
  .process__steps { grid-template-columns: 1fr; gap: 2.4rem; max-width: 38rem; margin-inline: auto; }
  .process__steps::before { top: 0; bottom: 0; left: 50%; right: auto; width: 3px; height: auto; }
  .process__steps li { min-height: 0; padding: 2.25rem 1.4rem 1.5rem; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 6rem; }
  .container { width: min(calc(100% - 2rem), var(--container-wide)); }
  .header__inner { flex-wrap: wrap; gap: .5rem; padding-block: .7rem; }
  .js .menu-toggle { display: inline-flex; align-items: center; }
  .nav { display: flex; flex: 0 0 100%; flex-direction: column; align-items: stretch; gap: 0; padding-block: .5rem; }
  .nav a { width: 100%; font-size: 1rem; }
  .nav .nav__contact { justify-content: center; margin-top: .5rem; }
  .hero__grid { grid-template-columns: 1fr; gap: 1rem; min-height: 0; padding-block: 6.8rem 1.2rem; }
  .hero__content { text-align: center; }
  .hero__visual { order: -1; padding: 0 0 1.25rem; }
  .hero__photo { aspect-ratio: 5 / 4; }
  .hero__photo img { object-position: center 55%; }
  .hero__stamp { left: .25rem; bottom: 1.25rem; width: 5.25rem; height: 5.25rem; border-width: .25rem; }
  .hero__stamp strong { font-size: 1.8rem; }
  .hero__stamp span { font-size: .52rem; }
  .section-heading { display: block; }
  .section-heading p { margin-top: 1rem; }
  .materials__grid { grid-template-columns: 1fr; }
  .faq__items { margin-top: 2rem; }
  .faq__items summary { gap: .75rem; min-height: 3.9rem; padding: .8rem .9rem; }
  .faq__icon { flex-basis: 2.4rem; width: 2.4rem; height: 2.4rem; }
  .faq__q { font-size: 1.02rem; }
  .faq__items p { padding: 0 .9rem 1.1rem; font-size: .95rem; }
  .reviews__track { --edge: 1rem; --gap: .9rem; margin-top: 1rem; -webkit-mask-image: none; mask-image: none; }
  .review { padding: 1.6rem 1.35rem 1.4rem; }
  .review blockquote { font-size: 1.2rem; }
  .factory__head { margin-bottom: 2rem; }
  .factory__head h2 { font-size: min(2.1rem, 6vw); }
  .factory__split { grid-template-columns: 1fr; grid-auto-rows: 1fr; }
  .factory__side { min-height: 0; padding: 2rem 1.25rem; }
  .factory__side--make { padding-bottom: 2.9rem; }
  .factory__side--install { padding-top: 2.9rem; }
  .factory__logo { width: 5.75rem; height: 5.75rem; }
  .factory__side--install .factory__icon { flex-basis: 4rem; width: 4rem; height: 4rem; margin-block: .875rem; padding: .85rem; }
  .factory__side h3 { margin-top: .9rem; font-size: 1.65rem; }
  .factory__side p { font-size: .95rem; }
  .factory__arrow { width: 3.1rem; height: 3.1rem; }
  .factory__arrow .icon { transform: rotate(90deg); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__bottom { flex-wrap: wrap; }
}
@media (max-width: 600px) {
  .reviews__track { grid-auto-columns: 86%; }
}
@media (max-width: 520px) {
  .materials .section-heading h2 { font-size: 1.7rem; }
  .materials .section-heading p { font-size: .82rem; }
  .reviews h2 { font-size: min(2.1rem, 6.6vw); }
  .faq__head h2 { font-size: min(2.1rem, 8vw); }
  .header--overlay { margin-bottom: calc(-4.6rem - 1px); }
  .header__inner { min-height: 4.6rem; padding-block: .3rem; }
  .header__logo img { width: 3.4rem; height: 3.4rem; }
  .hero__grid { min-height: 100vh; min-height: 100svh; align-content: start; gap: 3rem; padding-block: 5.6rem .75rem; }
  .hero__visual { padding: 0; }
  .hero__photo { aspect-ratio: 3 / 2; }
  .hero__photo img { object-position: center 15%; }
  .hero__stamp { bottom: .35rem; }
  .hero h1 { font-size: clamp(1.6rem, 7.4vw, 2.15rem); line-height: 1.08; letter-spacing: -.06em; }
  .hero__lead { margin: 1.85rem 0 2.25rem; font-size: .9375rem; line-height: 1.35; }
  .btn[data-cta="principal"] { min-height: 3rem; padding: .65rem .8rem; gap: .45rem; font-size: .9rem; }
  .nav .nav__contact[data-cta="principal"] { min-height: 2.75rem; padding: .4rem .85rem; font-size: .84rem; }
  .btn[data-cta="principal"] .icon { width: 1.2rem; height: 1.2rem; flex-basis: 1.2rem; }
  body.hero-in-view #wl-btn { visibility: hidden !important; pointer-events: none !important; }
  .advantages__grid { grid-template-columns: 1fr; }
  .advantages__grid > div:last-child:nth-child(odd) { grid-column: auto; padding-top: 1.35rem; border-top: 0; }
  .advantages__grid > div, .advantages__grid > div:nth-child(even) { padding: 1.35rem 0 !important; border: 0 !important; border-bottom: 1px solid #b1c5e147 !important; }
  .advantages__grid > div:last-child { border-bottom: 0 !important; }
  .material { grid-template-columns: 1fr; padding: .55rem; }
  .material__content { padding: 1.15rem .85rem 1.25rem; }
  .material h3 { font-size: 1.4rem; }
  .material p { font-size: .9rem; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom { display: grid; justify-content: start; }
  .footer__signature { white-space: normal; }
  .range__head h2 { font-size: min(2.1rem, 7.2vw); }
  .range__grid { grid-template-columns: 1fr; }
}
@media (max-width: 334px) {
  .hero h1 { font-size: 1.5rem; }
}
@media (max-width: 520px) and (max-height: 650px) {
  .hero__photo { max-height: 13rem; }
}
@media (max-width: 520px) and (min-height: 640px) {
  .hero__photo { aspect-ratio: 4 / 3; max-height: 38svh; }
}
@media (max-width: 520px) and (min-height: 750px) {
  .hero__photo { aspect-ratio: 1; max-height: 42svh; }
}
@media (max-width: 520px) and (min-height: 800px) {
  .hero__grid { gap: 3.75rem; padding-top: 6.2rem; }
  .hero__lead { margin: 2.1rem 0 2.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .btn[data-cta="principal"] { animation: none; }
}