/* ==========================================================================
   TS-Netušil — v2.0 „Technický výkres"
   Tokeny: papír (dílenská bílá) / ocel / inkoust / les / signální okr
   ========================================================================== */

:root {
    --papir: #F4F5F1;
    --bila: #FFFFFF;
    --ocel: #1B211E;
    --inkoust: #2E3A32;
    --inkoust-40: rgba(46, 58, 50, 0.4);
    --inkoust-15: rgba(46, 58, 50, 0.15);
    --inkoust-08: rgba(46, 58, 50, 0.08);
    --les: #2C5134;
    --les-tmavy: #20402A;
    --signal: #E8A11B;
    --signal-tmavy: #C4860F;

    --f-display: "Barlow Condensed", "Arial Narrow", sans-serif;
    --f-body: "Barlow", "Helvetica Neue", Arial, sans-serif;
    --f-mono: "IBM Plex Mono", "Courier New", monospace;

    --max-w: 1160px;
    --radius: 3px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--f-body);
    font-size: 17px;
    line-height: 1.6;
    color: var(--ocel);
    background: var(--papir);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

:focus-visible {
    outline: 2px solid var(--signal);
    outline-offset: 3px;
}

.wrap {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
}

/* --------------------------------------------------------------------------
   Typografie
   -------------------------------------------------------------------------- */

h1, h2, h3 {
    font-family: var(--f-display);
    text-transform: uppercase;
    line-height: 1.02;
    letter-spacing: 0.01em;
    font-weight: 700;
}

.eyebrow {
    font-family: var(--f-mono);
    font-size: 12.5px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--inkoust);
    display: flex;
    align-items: center;
    gap: 10px;
}

.eyebrow::before {
    content: "";
    width: 9px;
    height: 9px;
    background: var(--signal);
    flex: none;
}

.mono { font-family: var(--f-mono); }

/* --------------------------------------------------------------------------
   Topbar
   -------------------------------------------------------------------------- */

.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(244, 245, 241, 0.94);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--inkoust-15);
}

.topbar-in {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 24px;
    height: 66px;
    display: flex;
    align-items: center;
    gap: 28px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    text-decoration: none;
    margin-right: auto;
}

.brand svg { display: block; }

.brand-name {
    font-family: var(--f-display);
    font-weight: 700;
    font-size: 23px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.brand-name small {
    display: block;
    font-family: var(--f-mono);
    font-size: 9.5px;
    font-weight: 500;
    letter-spacing: 0.18em;
    color: var(--inkoust-40);
    margin-top: -2px;
}

.nav {
    display: flex;
    gap: 26px;
}

.nav a {
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    padding: 4px 0;
    border-bottom: 2px solid transparent;
}

.nav a:hover { border-bottom-color: var(--inkoust-40); }
.nav a[aria-current="page"] { border-bottom-color: var(--signal); }

.btn-call {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--signal);
    color: var(--ocel);
    text-decoration: none;
    font-family: var(--f-mono);
    font-weight: 600;
    font-size: 14.5px;
    padding: 10px 18px;
    border-radius: var(--radius);
    border: 1px solid var(--signal-tmavy);
    white-space: nowrap;
}

.btn-call:hover { background: #F2AD24; }

/* mobilní nav */
.nav-toggle { display: none; }

@media (max-width: 760px) {
    .brand-name { font-size: 20px; white-space: nowrap; }
    .brand-name small { display: none; }
    .topbar-in { gap: 12px; }
    .btn-call { padding: 9px 13px; font-size: 13px; gap: 6px; }
    .nav { display: none; }
    .nav.open {
        display: flex;
        position: absolute;
        top: 66px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: var(--papir);
        border-bottom: 1px solid var(--inkoust-15);
        padding: 8px 24px 16px;
    }
    .nav.open a { padding: 12px 0; border-bottom: 1px solid var(--inkoust-08); }
    .nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        background: none;
        border: 1px solid var(--inkoust-15);
        border-radius: var(--radius);
        cursor: pointer;
        color: var(--ocel);
    }
}

@media (max-width: 460px) {
    /* na nejmenších displejích jen ikona telefonu */
    .btn-call { font-size: 0; gap: 0; padding: 12px; }
    .btn-call svg { width: 17px; height: 17px; }
}

/* --------------------------------------------------------------------------
   Hero — papír s rastrem, výkres
   -------------------------------------------------------------------------- */

.hero {
    position: relative;
    background-color: var(--papir);
    background-image:
        linear-gradient(var(--inkoust-08) 1px, transparent 1px),
        linear-gradient(90deg, var(--inkoust-08) 1px, transparent 1px);
    background-size: 28px 28px;
    border-bottom: 1px solid var(--inkoust-15);
    overflow: hidden;
}

.hero-in {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 72px 24px 0;
    text-align: left;
}

.hero h1 {
    font-size: clamp(44px, 7vw, 84px);
    max-width: 15ch;
    margin: 22px 0 18px;
}

.hero h1 em {
    font-style: normal;
    color: var(--les);
}

.hero-lead {
    font-size: clamp(17px, 2vw, 20px);
    max-width: 52ch;
    color: var(--inkoust);
    margin-bottom: 34px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 26px;
}

/* Kontaktní štítek — telefonní CTA jako štítek stroje */
.plate {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--bila);
    border: 1.5px solid var(--ocel);
    border-radius: var(--radius);
    padding: 13px 22px 13px 16px;
    text-decoration: none;
    box-shadow: 3px 3px 0 var(--inkoust-15);
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.plate:hover {
    transform: translate(-1px, -1px);
    box-shadow: 5px 5px 0 var(--inkoust-15);
}

.plate .plate-ic {
    width: 38px;
    height: 38px;
    flex: none;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    color: var(--bila);
}

.plate-ic.ts { background: var(--les); }
.plate-ic.pn { background: var(--ocel); }

.plate-tx b {
    display: block;
    font-family: var(--f-mono);
    font-size: 19px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.plate-tx small {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--inkoust-40);
}

/* výkres */
.drawing {
    position: relative;
    max-width: 1020px;
    margin: 8px auto 0;
    padding: 0 0 8px;
}

.drawing svg {
    width: 100%;
    height: auto;
    display: block;
}

.stamp {
    position: absolute;
    right: 0;
    bottom: 18px;
    font-family: var(--f-mono);
    font-size: 10.5px;
    letter-spacing: 0.06em;
    line-height: 1.5;
    color: var(--inkoust);
    background: var(--papir);
    border: 1px solid var(--inkoust);
    display: grid;
    grid-template-columns: auto auto;
}

.stamp div {
    padding: 4px 12px;
    border-top: 1px solid var(--inkoust);
    white-space: nowrap;
}

.stamp div:nth-child(-n+2) { border-top: none; }
.stamp div:nth-child(odd) { border-right: 1px solid var(--inkoust); color: var(--inkoust-40); }

@media (max-width: 640px) {
    .stamp { display: none; }
    .hero-in { padding-top: 48px; }
}

/* kreslicí animace výkresu */
.draw {
    fill: none;
    stroke: var(--inkoust);
    stroke-width: 2.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.draw.thin { stroke-width: 1.4; }
.draw.center { stroke-width: 1; stroke-dasharray: 10 4 2 4; opacity: 0.55; }
.draw.ground { stroke-width: 1.6; stroke-dasharray: 14 10; opacity: 0.5; }

.js .draw:not(.center):not(.ground) {
    stroke-dasharray: 1;
    stroke-dashoffset: 1;
    animation: kresli 1.1s cubic-bezier(0.6, 0, 0.3, 1) forwards;
    animation-delay: calc(var(--i, 0) * 0.09s);
}

@keyframes kresli { to { stroke-dashoffset: 0; } }

/* jízda: kola se točí (rychlost dle průměru), zem ubíhá dozadu */
.js .wheel {
    transform-box: fill-box;
    transform-origin: center;
    animation: tocit var(--spd, 6s) linear infinite;
    animation-delay: 2.5s;
}

@keyframes tocit { to { transform: rotate(360deg); } }

.dim {
    font-family: var(--f-mono);
    opacity: 0;
    animation: objevit 0.7s ease forwards;
    animation-delay: 1.9s;
}

.dim line, .dim path {
    stroke: var(--signal-tmavy);
    stroke-width: 1.3;
    fill: none;
}

.dim text {
    fill: var(--signal-tmavy);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.js .center {
    opacity: 0;
    animation: objevit-center 0.7s ease forwards;
    animation-delay: 1.6s;
}

.js .ground {
    opacity: 0;
    animation:
        objevit-center 0.7s ease forwards 1.6s,
        jizda 0.45s linear infinite 2.5s;
}

@keyframes objevit { to { opacity: 1; } }
@keyframes objevit-center { to { opacity: 0.55; } }
@keyframes jizda { to { stroke-dashoffset: 24; } }

/* --------------------------------------------------------------------------
   Výstražný pruh — dělicí prvek
   -------------------------------------------------------------------------- */

.hazard {
    height: 7px;
    background: repeating-linear-gradient(
        -45deg,
        var(--signal) 0 14px,
        var(--ocel) 14px 28px
    );
}

/* --------------------------------------------------------------------------
   Sekce
   -------------------------------------------------------------------------- */

.sec { padding: 88px 0; }
.sec.tight { padding: 64px 0; }
.sec.white { background: var(--bila); border-top: 1px solid var(--inkoust-08); border-bottom: 1px solid var(--inkoust-08); }

.sec-head { max-width: 640px; margin-bottom: 44px; }

.sec-head h2 {
    font-size: clamp(32px, 4.4vw, 48px);
    margin: 14px 0 12px;
}

.sec-head p { color: var(--inkoust); font-size: 18px; }

/* --------------------------------------------------------------------------
   Karty — výrobní štítky
   -------------------------------------------------------------------------- */

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

@media (max-width: 900px) {
    .grid-3 { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
}

.card {
    background: var(--bila);
    border: 1px solid var(--inkoust-15);
    border-radius: var(--radius);
    padding: 26px 26px 24px;
}

.card h3 {
    font-size: 24px;
    margin: 12px 0 10px;
}

.card p { color: var(--inkoust); font-size: 16px; }

.card-num {
    font-family: var(--f-mono);
    font-size: 13px;
    font-weight: 500;
    color: var(--inkoust-40);
    letter-spacing: 0.1em;
}

.card-ic {
    width: 44px;
    height: 44px;
    border: 1.5px solid var(--ocel);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--les);
    margin-bottom: 4px;
}

/* velké rozcestníkové karty (2 obory) */
.dept {
    position: relative;
    background: var(--bila);
    border: 1.5px solid var(--ocel);
    border-radius: var(--radius);
    padding: 30px 30px 26px;
    text-decoration: none;
    display: block;
    box-shadow: 4px 4px 0 var(--inkoust-15);
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.dept:hover {
    transform: translate(-2px, -2px);
    box-shadow: 7px 7px 0 var(--inkoust-15);
}

.dept .tag {
    font-family: var(--f-mono);
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--bila);
    padding: 4px 10px;
    border-radius: var(--radius);
    display: inline-block;
}

.dept.ts .tag { background: var(--les); }
.dept.pn .tag { background: var(--ocel); }

.dept h3 { font-size: 30px; margin: 16px 0 8px; }

.dept p { color: var(--inkoust); margin-bottom: 18px; }

.dept .more {
    font-family: var(--f-mono);
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--les);
}

.dept.pn .more { color: var(--ocel); }

.dept ul {
    list-style: none;
    margin: 0 0 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.dept ul li {
    font-size: 13.5px;
    font-weight: 600;
    border: 1px solid var(--inkoust-15);
    border-radius: 99px;
    padding: 4px 12px;
    background: var(--papir);
}

/* --------------------------------------------------------------------------
   Fotopruh — technika v akci
   -------------------------------------------------------------------------- */

.strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 900px) { .strip { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .strip { grid-template-columns: 1fr; } }

.strip figure {
    background: var(--bila);
    border: 1px solid var(--inkoust-15);
    border-radius: var(--radius);
    padding: 10px;
}

.strip img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 2px;
    filter: saturate(0.82);
    transition: filter 0.25s ease;
}

.strip figure:hover img { filter: saturate(1.05); }

.strip figcaption {
    font-family: var(--f-mono);
    font-size: 11.5px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--inkoust-40);
    padding: 9px 4px 2px;
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.strip figcaption b { color: var(--inkoust); font-weight: 500; }

/* --------------------------------------------------------------------------
   Kroky (skutečná sekvence -> čísla)
   -------------------------------------------------------------------------- */

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    counter-reset: krok;
}

@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } }

.step {
    border-top: 2px solid var(--ocel);
    padding-top: 18px;
}

.step::before {
    counter-increment: krok;
    content: "0" counter(krok);
    font-family: var(--f-mono);
    font-size: 15px;
    font-weight: 600;
    color: var(--signal-tmavy);
    letter-spacing: 0.1em;
}

.step h3 { font-size: 24px; margin: 8px 0 8px; }
.step p { color: var(--inkoust); font-size: 16px; }

/* --------------------------------------------------------------------------
   Technický list služby (podstránka sluzby.html)
   -------------------------------------------------------------------------- */

.sheet {
    background: var(--bila);
    border: 1px solid var(--inkoust-15);
    border-radius: var(--radius);
    padding: 34px;
    margin-bottom: 26px;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 36px;
    scroll-margin-top: 90px;
}

@media (max-width: 860px) { .sheet { grid-template-columns: 1fr; padding: 26px; } }

.sheet-head {
    display: flex;
    align-items: baseline;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.sheet h3 { font-size: 30px; }

.sheet .badge {
    font-family: var(--f-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    background: var(--signal);
    color: var(--ocel);
    padding: 3px 9px;
    border-radius: var(--radius);
}

.sheet-body p { color: var(--inkoust); margin-bottom: 12px; }

.spec {
    background: var(--papir);
    border: 1px solid var(--inkoust-15);
    border-radius: var(--radius);
    padding: 20px 22px;
    align-self: start;
}

.spec h4 {
    font-family: var(--f-mono);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.13em;
    color: var(--inkoust-40);
    margin-bottom: 12px;
}

.spec ul { list-style: none; }

.spec li {
    padding: 8px 0;
    border-top: 1px solid var(--inkoust-08);
    font-size: 15px;
    font-weight: 500;
    display: flex;
    gap: 10px;
    align-items: baseline;
}

.spec li::before {
    content: "—";
    color: var(--signal-tmavy);
    font-family: var(--f-mono);
    flex: none;
}

.uses { margin-top: 16px; }

.uses h4 {
    font-family: var(--f-mono);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.13em;
    color: var(--inkoust-40);
    margin-bottom: 8px;
}

.uses ul { list-style: none; }

.uses li {
    font-size: 15.5px;
    color: var(--inkoust);
    padding: 4px 0 4px 18px;
    position: relative;
}

.uses li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 12px;
    width: 8px;
    height: 2px;
    background: var(--les);
}

/* tip / poznámka */
.note {
    margin-top: 16px;
    border-left: 3px solid var(--signal);
    background: var(--papir);
    padding: 12px 16px;
    font-size: 15px;
    color: var(--inkoust);
}

.note b {
    font-family: var(--f-mono);
    font-size: 11.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    display: block;
    margin-bottom: 3px;
    color: var(--signal-tmavy);
}

/* --------------------------------------------------------------------------
   Kontakt / tmavá sekce
   -------------------------------------------------------------------------- */

.dark {
    background: var(--les-tmavy);
    color: var(--papir);
}

.dark .eyebrow { color: rgba(244, 245, 241, 0.65); }
.dark .sec-head p { color: rgba(244, 245, 241, 0.78); }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 760px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-card {
    border: 1px solid rgba(244, 245, 241, 0.22);
    border-radius: var(--radius);
    padding: 28px;
}

.contact-card h3 { font-size: 25px; margin-bottom: 4px; }

.contact-card .who {
    font-size: 14.5px;
    color: rgba(244, 245, 241, 0.65);
    margin-bottom: 18px;
}

.contact-card .tel {
    font-family: var(--f-mono);
    font-size: clamp(24px, 3.4vw, 32px);
    font-weight: 600;
    color: var(--papir);
    text-decoration: none;
    display: inline-block;
    border-bottom: 2px solid var(--signal);
    padding-bottom: 2px;
    margin-bottom: 10px;
}

.contact-card .tel:hover { color: var(--signal); }

.contact-card .meta {
    font-size: 15px;
    color: rgba(244, 245, 241, 0.72);
}

.contact-card .meta a { color: inherit; }

/* --------------------------------------------------------------------------
   Formulář (sluzby)
   -------------------------------------------------------------------------- */

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 26px;
    align-items: start;
}

@media (max-width: 860px) { .form-grid { grid-template-columns: 1fr; } }

form label {
    display: block;
    font-family: var(--f-mono);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin: 16px 0 6px;
    color: var(--inkoust);
}

form input, form select, form textarea {
    width: 100%;
    font-family: var(--f-body);
    font-size: 16px;
    padding: 11px 13px;
    border: 1px solid var(--inkoust-40);
    border-radius: var(--radius);
    background: var(--bila);
    color: var(--ocel);
}

form textarea { min-height: 110px; resize: vertical; }

.btn-submit {
    margin-top: 20px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--les);
    color: var(--bila);
    border: none;
    font-family: var(--f-mono);
    font-weight: 600;
    font-size: 15px;
    padding: 13px 26px;
    border-radius: var(--radius);
    cursor: pointer;
}

.btn-submit:hover { background: #35613F; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

footer {
    background: var(--ocel);
    color: rgba(244, 245, 241, 0.75);
    font-size: 14.5px;
}

.foot-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    padding: 52px 0 36px;
}

@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr; } }

.foot-grid h4 {
    font-family: var(--f-mono);
    font-size: 11.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: rgba(244, 245, 241, 0.45);
    margin-bottom: 12px;
}

.foot-grid a { color: inherit; }

.foot-base {
    border-top: 1px solid rgba(244, 245, 241, 0.14);
    padding: 20px 0 26px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: space-between;
    font-family: var(--f-mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    color: rgba(244, 245, 241, 0.5);
}

.foot-base nav { display: flex; gap: 18px; }
.foot-base a { text-decoration: none; }
.foot-base a:hover { color: var(--papir); }

/* --------------------------------------------------------------------------
   Podstránkový hero (menší)
   -------------------------------------------------------------------------- */

.page-hero {
    background-color: var(--papir);
    background-image:
        linear-gradient(var(--inkoust-08) 1px, transparent 1px),
        linear-gradient(90deg, var(--inkoust-08) 1px, transparent 1px);
    background-size: 28px 28px;
    border-bottom: 1px solid var(--inkoust-15);
    padding: 64px 0 56px;
}

.page-hero h1 { font-size: clamp(40px, 6vw, 68px); margin: 18px 0 14px; }

.page-hero .hero-lead { margin-bottom: 26px; }

/* --------------------------------------------------------------------------
   Odhalování při scrollu
   -------------------------------------------------------------------------- */

.js .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.js .reveal.in {
    opacity: 1;
    transform: none;
}

/* --------------------------------------------------------------------------
   Redukovaný pohyb
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .js .draw:not(.center):not(.ground),
    .js .dim,
    .js .center,
    .js .ground,
    .js .wheel { animation: none; stroke-dashoffset: 0; opacity: 1; }
    .js .center, .js .ground { opacity: 0.55; }
    .js .reveal { opacity: 1; transform: none; transition: none; }
    .plate, .dept { transition: none; }
}