@page{size:A4 landscape;margin:0}:root{--slide-width:1123px;--slide-gap:24px;--slide-surface:#fff;--slide-ink:#14181f;--slide-muted:#5b6472;--slide-accent:#2d6cdf;--slide-hairline:#e3e7ee;--presentation-backdrop:#eef1f6}@layer components{.presentation{align-items:center;gap:var(--slide-gap);padding:var(--slide-gap);background:var(--presentation-backdrop);counter-reset:slide;flex-direction:column;min-height:100vh;display:flex}.slide{width:100%;max-width:var(--slide-width);aspect-ratio:297/210;background:var(--slide-surface);color:var(--slide-ink);counter-increment:slide;-webkit-print-color-adjust:exact;print-color-adjust:exact;border-radius:6px;position:relative;overflow:hidden;box-shadow:0 1px 2px #1018280f,0 8px 24px #1018281a;container-type:inline-size}.slide-safe{z-index:1;flex-direction:column;gap:3cqw;height:100%;padding:6cqw 7cqw;display:flex;position:relative}.slide:after{content:counter(slide);letter-spacing:.08em;color:var(--slide-muted);font-size:1.4cqw;position:absolute;bottom:2.6cqw;right:3.5cqw}.slide[data-slide-number=off]:after{content:none}.slide-title{letter-spacing:-.02em;text-wrap:balance;font-size:7cqw;font-weight:700;line-height:1.05}.slide-heading{letter-spacing:-.01em;text-wrap:balance;font-size:4.2cqw;font-weight:600;line-height:1.15}.slide-lead{color:var(--slide-muted);font-size:2.6cqw;line-height:1.35}.slide-text{font-size:2.1cqw;line-height:1.45}.slide-caption{letter-spacing:.12em;text-transform:uppercase;color:var(--slide-muted);font-size:1.4cqw;line-height:1.4}.slide-rule{background:var(--slide-accent);border-radius:999px;width:12cqw;height:.45cqw}.slide-body{flex:1;min-height:0}.slide-cols{grid-template-columns:1fr 1fr;align-content:start;gap:5cqw;display:grid}.slide-list{flex-direction:column;gap:2.2cqw;display:flex}.slide-list-item{grid-template-columns:2.2cqw 1fr;align-items:baseline;gap:1.6cqw;font-size:2.1cqw;line-height:1.4;display:grid}.slide-marker{background:var(--slide-accent);border-radius:999px;width:1.1cqw;height:1.1cqw;margin-top:.55cqw}.slide-bleed{z-index:0;position:absolute;inset:0;overflow:hidden}.slide-bleed--right{inset:0 0 0 52%}.slide-bleed--left{inset:0 52% 0 0}.slide--split-right .slide-safe{width:52%}.slide--split-right:after{right:51cqw}.slide--split-left .slide-safe{width:52%;margin-left:48%}.slide-bleed img{object-fit:cover;width:100%;height:100%;display:block}.slide-scrim{background:linear-gradient(90deg,#000000c7 0%,#0000008c 45%,#00000014 100%);position:absolute;inset:0}.slide--dark{background:var(--slide-ink);color:var(--slide-surface)}.slide--photo{color:var(--slide-surface)}.slide--dark .slide-caption,.slide--dark .slide-lead,.slide--photo .slide-caption,.slide--photo .slide-lead,.slide--dark:after,.slide--photo:after{color:#ffffffb8}.slide-figure{object-fit:cover;border-radius:1cqw;width:100%;height:100%;display:block}.slide--cover .slide-safe{justify-content:center}.slide--divider{background:var(--slide-ink);color:var(--slide-surface)}.slide--divider .slide-safe{text-align:center;justify-content:center;align-items:center}.slide--divider .slide-caption{color:#ffffffa6}[data-deck-check] .slide[data-overflow]{outline-offset:-3px;outline:3px solid #e5484d}[data-deck-check] .slide[data-overflow]:before{content:"Не помещается: +" attr(data-overflow) " px";z-index:2;color:#fff;background:#e5484d;padding:.6cqw 1.2cqw;font-size:1.6cqw;font-weight:600;line-height:1.2;position:absolute;top:0;left:0}.presentation-toolbar{z-index:900;gap:8px;display:flex;position:fixed;top:16px;right:16px}.presentation-button{border:1px solid var(--slide-hairline);background:var(--slide-surface);color:var(--slide-ink);cursor:pointer;border-radius:8px;align-items:center;gap:8px;padding:10px 14px;font-size:14px;line-height:1;display:inline-flex;box-shadow:0 1px 2px #10182814}.presentation-hint{color:var(--slide-muted);align-self:center;padding:0 6px;font-size:13px;line-height:1}.presentation-toolbar[data-print-ready] .presentation-button:first-of-type{border-color:var(--slide-accent);box-shadow:0 0 0 3px #2d6cdf2e}.presentation-button:hover{border-color:var(--slide-accent);color:var(--slide-accent)}.presentation-button:focus-visible{outline:2px solid var(--slide-accent);outline-offset:2px}}@media print{.presentation{background:0 0;gap:0;min-height:0;padding:0;display:block}.slide{aspect-ratio:auto;width:297mm;max-width:none;height:210mm;box-shadow:none;break-inside:avoid;break-after:page;border-radius:0}.slide:last-child{break-after:auto}.presentation-toolbar{display:none}[data-deck-check] .slide[data-overflow]{outline:none}[data-deck-check] .slide[data-overflow]:before{content:none}}
:root{--slide-surface:#fcfbf8;--slide-ink:#001011;--slide-muted:#425051;--slide-accent:#fd5321;--slide-hairline:#00101133;--presentation-backdrop:#e7e9e5}@layer components{.slide{font-family:Arial,Helvetica,sans-serif}.welding-cover .slide-safe{justify-content:space-between;gap:0;padding:4.5cqw 5.8cqw}.welding-cover-shade{background:linear-gradient(90deg,#001011ee 0%,#001011bb 37%,#00101118 78%),linear-gradient(#0000 70%,#001011b0 100%);position:absolute;inset:0}.welding-cover-top,.welding-cover-bottom,.welding-topline{letter-spacing:.13em;justify-content:space-between;align-items:center;font-size:1.4cqw;font-weight:700;display:flex}.welding-cover-top,.welding-cover-bottom{color:#fcfbf8}.welding-cover-main{margin-top:4cqw}.welding-kicker,.welding-overline{color:#fd5321;letter-spacing:.14em;font-size:1.4cqw;font-weight:800}.welding-kicker{align-items:center;gap:1.3cqw;display:flex}.welding-kicker-line{background:#fd5321;width:4.4cqw;height:.35cqw;display:block}.welding-cover h1{letter-spacing:-.055em;max-width:66cqw;margin:2cqw 0 2.4cqw;font-size:7.5cqw;font-weight:800;line-height:1.04}.welding-cover h1 em,.welding-purpose h2 em,.welding-contents h2 em{color:#fd5321;font-style:normal}.welding-cover-main p{max-width:54cqw;font-size:2.2cqw;font-weight:500;line-height:1.3}.welding-purpose .slide-safe,.welding-contents .slide-safe{gap:0;padding:4.4cqw 5.8cqw 5.2cqw}.welding-topline{color:#001011;border-bottom:.12cqw solid #00101155;padding-bottom:2.1cqw}.welding-purpose-heading{grid-template-columns:1.35fr .65fr;align-items:end;gap:4cqw;padding-top:4.3cqw;display:grid}.welding-overline{margin:0 0 1.6cqw}.welding-purpose h2,.welding-contents h2{letter-spacing:-.055em;margin:0;font-size:6.2cqw;font-weight:800;line-height:1.06}.welding-purpose-lead{margin:0 0 .5cqw;font-size:2.2cqw;font-weight:500;line-height:1.32}.welding-task-grid{grid-template-columns:repeat(3,1fr);gap:1.4cqw;margin-top:auto;padding-top:3.4cqw;display:grid}.welding-task{color:#fcfbf8;background:#001011;flex-direction:column;min-height:15cqw;padding:1.7cqw 2cqw;display:flex;position:relative;overflow:hidden}.welding-task strong{color:#fd5321;letter-spacing:.1em;font-size:1.6cqw}.welding-task span{z-index:1;margin-top:2.2cqw;font-size:2.45cqw;font-weight:700;line-height:1.13}.welding-task-mark{opacity:.85;border:.22cqw solid #fd5321;width:6cqw;height:6cqw;position:absolute;bottom:1.5cqw;right:1.5cqw}.welding-task-mark--measure{background:repeating-linear-gradient(90deg,#0000 0 .8cqw,#fd5321 .8cqw .95cqw,#0000 .95cqw 1.5cqw);width:9cqw;height:2cqw;bottom:2cqw}.welding-task-mark--calculate{border-radius:50%}.welding-task-mark--check{border:0;width:6cqw;height:6cqw}.welding-task-mark--check:after{content:"✓";color:#fd5321;font-size:7cqw;line-height:.8}.welding-footnote{margin:2cqw 0 0;font-size:1.6cqw;font-weight:600}.welding-contents-header{grid-template-columns:1fr 25cqw;align-items:center;gap:2cqw;padding:3.6cqw 0 2cqw;display:grid}.welding-contents-graphic{border:.18cqw solid #001011;width:19cqw;height:14cqw;margin-left:auto;position:relative}.welding-contents-graphic svg{width:100%;height:100%;position:absolute;inset:0;overflow:visible}.welding-contents-graphic svg path{fill:none;stroke:#fd5321;stroke-width:2.5px}.welding-graphic-dot{background:#fd5321;border-radius:50%;width:1.6cqw;height:1.6cqw;position:absolute;top:-.8cqw;right:-.8cqw}.welding-graphic-corner{border-style:solid;border-color:#fd5321;width:2cqw;height:2cqw;position:absolute}.welding-graphic-corner--tl{border-width:.4cqw 0 0 .4cqw;top:-.3cqw;left:-.3cqw}.welding-graphic-corner--br{border-width:0 .4cqw .4cqw 0;bottom:-.3cqw;right:-.3cqw}.welding-agenda{margin-top:auto}.welding-agenda>div{border-top:.12cqw solid #00101155;grid-template-columns:6cqw 1fr 22cqw;align-items:center;min-height:8cqw;display:grid}.welding-agenda>div:last-child{border-bottom:.12cqw solid #00101155}.welding-agenda b{color:#fd5321;font-size:2.2cqw}.welding-agenda span{font-size:2.6cqw;font-weight:700}.welding-agenda small{letter-spacing:.08em;text-align:right;font-size:1.4cqw;font-weight:700}}
@layer components{.welding-lesson .slide-safe,.welding-photo-lesson .slide-safe{gap:0;padding:4.4cqw 5.8cqw 5.2cqw}.welding-lesson-title{letter-spacing:-.045em;max-width:85cqw;margin:3.2cqw 0 0;font-size:4.7cqw;font-weight:800;line-height:1.09}.welding-lesson-body{flex-direction:column;flex:1;justify-content:center;min-height:0;display:flex}.welding-lesson-note{margin:2.7cqw 0 0;font-size:2.1cqw;line-height:1.3}.welding-lesson-split,.welding-frame-layout,.welding-triangle-layout,.welding-area-layout,.welding-volume-layout,.welding-series-layout{grid-template-columns:1fr 1fr;align-items:center;gap:5cqw;width:100%;display:grid}.welding-statement{flex-direction:column;gap:2cqw;display:flex}.welding-statement>span,.welding-scale-diagram span,.welding-mass-formula span,.welding-formula-grid span{color:#fd5321;letter-spacing:.12em;font-size:1.5cqw;font-weight:800}.welding-statement strong{letter-spacing:-.055em;font-size:5.5cqw;line-height:1.05}.welding-statement p{max-width:39cqw;margin:0;font-size:2.1cqw;line-height:1.3}.welding-ruler{background:#fd5321;border:.25cqw solid #001011;height:14cqw;padding:2cqw;position:relative}.welding-ruler-ticks{background:repeating-linear-gradient(90deg,#001011 0 .13cqw,#0000 .13cqw 2cqw);border-bottom:.15cqw solid #001011;height:7cqw}.welding-ruler-labels{justify-content:space-between;margin-top:1cqw;font-size:1.9cqw;font-weight:800;display:flex}.welding-range{text-align:center}.welding-range>p{margin:0 0 1.8cqw;font-size:2.1cqw}.welding-range>strong{letter-spacing:-.06em;font-size:8cqw;display:block}.welding-range-track{border-top:.4cqw solid #001011;justify-content:space-between;align-items:center;height:6cqw;margin:4cqw 7cqw 0;display:flex;position:relative}.welding-range-track:before{content:"";opacity:.45;background:#fd5321;height:1.6cqw;position:absolute;top:-1cqw;left:0;right:0}.welding-range-track i{background:#001011;width:.4cqw;height:3cqw;position:relative;top:-3cqw}.welding-range-values{justify-content:space-between;margin:-1.5cqw 4cqw 3cqw;font-size:2.2cqw;font-weight:800;display:flex}.welding-scale-diagram{grid-template-columns:1fr 16cqw 1fr;align-items:center;gap:3cqw;display:grid}.welding-scale-diagram>div{flex-direction:column;gap:2cqw;display:flex}.welding-scale-diagram b{letter-spacing:-.05em;font-size:5cqw}.welding-scale-diagram>strong{color:#fd5321;text-align:center;align-self:center;font-size:4.7cqw}.welding-scale-diagram i{background:#001011;height:4cqw;display:block}.welding-scale-diagram .welding-scale-short{width:10cqw}.welding-scale-diagram .welding-scale-long{background:#fd5321;width:100%}.welding-frame-diagram{justify-content:center;align-items:center;height:33cqw;display:flex;position:relative}.welding-frame-shape{border:2.5cqw solid #001011;width:32cqw;height:22cqw;box-shadow:inset 0 0 0 .45cqw #fd5321}.welding-frame-top,.welding-frame-left,.welding-seam-top,.welding-seam-side{font-size:2.1cqw;font-weight:700;position:absolute}.welding-frame-top{top:0;left:16cqw}.welding-frame-left{top:14cqw;left:0}.welding-angle-grid{grid-template-columns:1fr 1fr;gap:6cqw;display:grid}.welding-angle-grid>div{grid-template-columns:17cqw 1fr;align-items:center;column-gap:2cqw;display:grid}.welding-angle-grid b{color:#fd5321;letter-spacing:-.05em;font-size:7cqw}.welding-angle-grid p{grid-column:2;margin:0;font-size:2.1cqw;line-height:1.3}.welding-angle-shape{width:16cqw;height:16cqw;position:relative}.welding-angle-shape i{background:#001011;display:block;position:absolute}.welding-angle-square i:first-child{width:16cqw;height:2cqw;bottom:0;left:0}.welding-angle-square i:last-child{width:2cqw;height:16cqw;bottom:0;left:0}.welding-angle-mitre{border-bottom:2cqw solid #001011;border-left:2cqw solid #001011}.welding-angle-mitre i{clip-path:polygon(0 88%,88% 0,100% 12%,12% 100%);background:#fd5321;width:16cqw;height:16cqw;bottom:-1cqw;left:-1cqw}.welding-triangle{width:100%;height:33cqw}.welding-triangle path{fill:none;stroke:#001011;stroke-width:10px}.welding-triangle path.accent{stroke:#fd5321;stroke-width:13px}.welding-triangle-layout>div{flex-direction:column;gap:2cqw;display:flex}.welding-equation{margin:0;font-size:2.8cqw;font-weight:800}.welding-triangle-layout strong{color:#fd5321;letter-spacing:-.05em;font-size:7cqw}.welding-triangle-layout p:last-child{margin:0;font-size:2.1cqw;line-height:1.3}.welding-area-plate{background:#fd5321;border:.5cqw solid #001011;width:34cqw;height:25cqw;margin:4cqw auto;position:relative}.welding-area-plate span,.welding-area-plate b{font-size:2.1cqw;position:absolute}.welding-area-plate span{bottom:-3.8cqw;left:14cqw}.welding-area-plate b{top:11cqw;left:-7cqw}.welding-prism{height:31cqw;position:relative}.welding-prism-top{background:#fd5321;border:.4cqw solid #001011;width:31cqw;height:17cqw;position:absolute;top:5cqw;left:4cqw}.welding-prism-front{background:#001011;width:31cqw;height:4cqw;position:absolute;top:21.5cqw;left:4cqw}.welding-prism span{font-size:2.1cqw;font-weight:700;position:absolute;bottom:0;left:4cqw}.welding-mass-layout{grid-template-columns:1.35fr .65fr;align-items:end;gap:5cqw;display:grid}.welding-mass-formula{flex-direction:column;gap:2.4cqw;display:flex}.welding-mass-formula b{font-size:3.5cqw}.welding-mass-formula strong{color:#fd5321;letter-spacing:-.06em;font-size:9cqw}.welding-mass-layout>p{margin:0;font-size:2.1cqw;line-height:1.3}.welding-seam-diagram{height:34cqw;position:relative}.welding-seam-diagram>div{border:1.4cqw solid #fd5321;outline:.5cqw solid #001011;width:34cqw;height:24cqw;position:absolute;top:5cqw;left:5cqw}.welding-seam-top{top:0;left:17cqw}.welding-seam-side{top:14cqw;left:0}.welding-series-frames{grid-template-columns:1fr 1fr;gap:2cqw;width:37cqw;display:grid}.welding-series-frames i{outline-offset:-2.7cqw;border:1.6cqw solid #001011;outline:.3cqw solid #fd5321;height:13cqw}.welding-photo-lesson .welding-topline{color:#fcfbf8;border-color:#fcfbf888}.welding-photo-copy{flex-direction:column;flex:1;justify-content:center;width:73cqw;display:flex}.welding-photo-copy h2{letter-spacing:-.05em;margin:1.5cqw 0 2.7cqw;font-size:6.2cqw;line-height:1.07}.welding-photo-copy h2 em{color:#fd5321;font-style:normal}.welding-photo-copy>p:last-child{max-width:52cqw;margin:2.5cqw 0 0;font-size:2.1cqw;line-height:1.3}.welding-photo-sequence{letter-spacing:.07em;align-items:center;gap:1.3cqw;font-size:1.7cqw;font-weight:800;display:flex}.welding-photo-sequence b{color:#fd5321;font-size:3cqw}.welding-verify-numbers{gap:2cqw;display:flex}.welding-verify-numbers span{letter-spacing:.07em;border-top:.25cqw solid #fd5321;flex-direction:column;width:25cqw;padding-top:1cqw;font-size:1.5cqw;font-weight:700;display:flex}.welding-verify-numbers b{letter-spacing:-.03em;margin-top:1cqw;font-size:3.2cqw}.welding-formula-grid{grid-template-columns:1fr 1fr;gap:2.2cqw 4cqw;display:grid}.welding-formula-grid>div{border-top:.2cqw solid #001011;flex-direction:column;gap:1.1cqw;padding:1.5cqw 0;display:flex}.welding-formula-grid strong{font-size:3.7cqw;line-height:1.1}.welding-formula-grid p{margin:0;font-size:2.1cqw}.welding-conclusion .welding-topline{color:#fcfbf8;border-color:#fcfbf888}.welding-conclusion .welding-lesson-title{color:#fcfbf8}.welding-conclusion-body{grid-template-columns:1fr 1fr 1fr;align-items:end;gap:2cqw;display:grid}.welding-conclusion-line{border-top:.3cqw solid #fd5321;min-height:15cqw;padding:1.5cqw 0}.welding-conclusion-line span{color:#fd5321;margin-bottom:2cqw;font-size:1.6cqw;font-weight:800;display:block}.welding-conclusion-line strong{font-size:2.8cqw;line-height:1.2}.welding-conclusion-body>p{grid-column:1/-1;max-width:64cqw;margin:2cqw 0 0;font-size:2.1cqw;line-height:1.3}}
