/* =========================================================
   Pumpmatix Engineering — Brochure
   A standalone "technical dossier" identity: dark ground,
   amber signal, hazard striping and drawing-office type.
   ========================================================= */

:root{
    --ink: #121212;
    --panel: #1a1a1a;
    --panel-line: #2c2c2c;
    --paper: #efe9da;
    --paper-dim: #b8b2a2;
    --amber: #ffbc00;
    --amber-dim: #8a6600;
    --steel: #6f8fa8;
    --hazard-black: #0d0d0d;

    --display: 'Oswald', sans-serif;
    --body: 'Roboto', sans-serif;
    --mono: 'JetBrains Mono', monospace;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
    html{ scroll-behavior: auto; }
    *, *::before, *::after{
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

body{
    margin: 0;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--body);
    font-weight: 300;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

a{ color: inherit; }

.skip-link{
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--amber);
    color: var(--hazard-black);
    padding: 10px 16px;
    font-family: var(--mono);
    font-size: 13px;
    z-index: 999;
}
.skip-link:focus{ left: 10px; top: 10px; }

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

/* ---------- Layout helpers ---------- */
.sheet{
    max-width: 920px;
    margin: 0 auto;
    padding: 110px 24px;
}
.sheet__eyebrow{
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--amber);
    margin: 0 0 18px;
}
.sheet__eyebrow--onlight{ color: var(--hazard-black); }
.sheet__title{
    font-family: var(--display);
    font-weight: 600;
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.15;
    margin: 0 0 20px;
    color: var(--paper);
    max-width: 16ch;
}
.sheet__lede{
    font-size: 18px;
    color: var(--paper-dim);
    max-width: 60ch;
    margin: 0 0 50px;
}

/* ---------- Reveal-on-scroll ---------- */
[data-reveal]{
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].is-visible{
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Hazard divider ---------- */
.hazard-divider{
    height: 10px;
    background: repeating-linear-gradient(
        135deg,
        var(--amber) 0 18px,
        var(--hazard-black) 18px 36px
    );
}

/* =========================================================
   COVER
   ========================================================= */
.cover{
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 90px 24px 60px;
    position: relative;
    background:
        radial-gradient(circle at 15% 15%, rgba(255,188,0,0.06), transparent 45%),
        var(--ink);
    overflow: hidden;
}
.cover::before{
    /* faint blueprint grid, subject-true texture */
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--panel-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--panel-line) 1px, transparent 1px);
    background-size: 42px 42px;
    opacity: 0.35;
    mask-image: radial-gradient(circle at 50% 40%, black, transparent 75%);
}

.cover__frame{
    position: relative;
    max-width: 720px;
    width: 100%;
    text-align: center;
}

.titleblock{
    position: absolute;
    top: -50px;
    right: 0;
    border: 1px solid var(--panel-line);
    font-family: var(--mono);
    font-size: 11px;
    color: var(--paper-dim);
    min-width: 200px;
}
.titleblock__row{
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 10px;
    border-bottom: 1px solid var(--panel-line);
}
.titleblock__row:last-child{ border-bottom: none; }
.titleblock__row span:first-child{ color: var(--paper-dim); }
.titleblock__row span:last-child{ color: var(--amber); }

.cover__badge{
    position: relative;
    width: 190px;
    height: 190px;
    margin: 0 auto 10px;
}
.cover__badge-svg{
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    animation: spin 60s linear infinite;
}
@media (prefers-reduced-motion: reduce){
    .cover__badge-svg{ animation: none; }
}
@keyframes spin{ to{ transform: rotate(360deg); } }
#badgeCircle{ stroke: none; }
.cover__badge-text{
    font-family: var(--mono);
    font-size: 9.2px;
    letter-spacing: 0.08em;
    fill: var(--paper-dim);
}
.cover__mark{
    position: absolute;
    inset: 0;
    margin: auto;
    width: 108px;
    height: auto;
}

.cover__eyebrow{
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--steel);
    margin: 6px 0 14px;
}
.cover__title{
    font-family: var(--display);
    font-weight: 700;
    text-transform: uppercase;
    font-size: clamp(38px, 8vw, 74px);
    line-height: 1.02;
    letter-spacing: 0.01em;
    margin: 0;
    color: var(--paper);
}
.cover__title span{
    display: block;
    font-size: 0.42em;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--amber);
    margin-top: 10px;
}
.cover__tagline{
    font-family: var(--mono);
    font-size: 14px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--paper-dim);
    margin: 22px 0 44px;
}
.cover__tagline::before,
.cover__tagline::after{
    content: "—";
    color: var(--amber);
    margin: 0 10px;
}

/* ---------- Buttons ---------- */
.cover__actions{
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}
.btn{
    font-family: var(--mono);
    font-size: 13px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    border-radius: 2px;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn__icon{
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.btn--primary{
    background: var(--amber);
    color: var(--hazard-black);
}
.btn--primary:hover{ transform: translateY(-2px); }
.btn--ghost{
    background: transparent;
    color: var(--paper);
    border-color: var(--panel-line);
}
.btn--ghost:hover{
    border-color: var(--amber);
    color: var(--amber);
    transform: translateY(-2px);
}
.btn--ghost-light{
    border-color: rgba(13,13,13,0.25);
    color: var(--hazard-black);
}
.btn--ghost-light:hover{
    border-color: var(--hazard-black);
}

.cover__scrollcue{
    margin-top: 60px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--paper-dim);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}
.cover__scrollcue span{
    width: 1px;
    height: 34px;
    background: linear-gradient(var(--amber), transparent);
    animation: scrollcue 1.8s ease-in-out infinite;
}
@media (prefers-reduced-motion: reduce){
    .cover__scrollcue span{ animation: none; }
}
@keyframes scrollcue{
    0%, 100%{ transform: translateY(0); opacity: 0.4; }
    50%{ transform: translateY(6px); opacity: 1; }
}

/* =========================================================
   STAT ROW
   ========================================================= */
.statrow{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1px;
    background: var(--panel-line);
    border: 1px solid var(--panel-line);
}
.stat{
    background: var(--panel);
    padding: 26px 20px;
    text-align: left;
}
.stat__value{
    display: block;
    font-family: var(--mono);
    font-weight: 600;
    font-size: 30px;
    color: var(--amber);
    margin-bottom: 8px;
}
.stat__label{
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--paper-dim);
}
.stat__label small{ color: #7a7568; font-size: 10px; }

/* =========================================================
   SERVICES / SPEC CARDS
   ========================================================= */
.specgrid{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 18px;
}
.speccard{
    background: var(--panel);
    border: 1px solid var(--panel-line);
    padding: 26px 22px;
    position: relative;
    transition: border-color 0.2s ease, transform 0.2s ease;
}
.speccard::before{
    content: "";
    position: absolute;
    top: 0; right: 0;
    border-style: solid;
    border-width: 0 18px 18px 0;
    border-color: transparent var(--panel-line) transparent transparent;
    transition: border-color 0.2s ease;
}
.speccard:hover{
    border-color: var(--amber-dim);
    transform: translateY(-3px);
}
.speccard:hover::before{
    border-color: transparent var(--amber) transparent transparent;
}
.speccard__code{
    font-family: var(--mono);
    font-size: 12px;
    color: var(--steel);
    letter-spacing: 0.06em;
    margin-bottom: 14px;
}
.speccard__title{
    font-family: var(--display);
    font-weight: 500;
    font-size: 20px;
    margin: 0 0 10px;
    color: var(--paper);
}
.speccard__text{
    font-size: 15px;
    color: var(--paper-dim);
    margin: 0;
}

/* =========================================================
   CHECKLIST
   ========================================================= */
.checklist{
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--panel-line);
}
.checklist__item{
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 4px;
    border-bottom: 1px solid var(--panel-line);
    font-size: 17px;
    color: var(--paper);
}
.checklist__item svg{
    flex: none;
    width: 20px;
    height: 20px;
    margin-top: 2px;
    fill: none;
    stroke: var(--amber);
    stroke-width: 2.4;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* =========================================================
   BACK COVER
   ========================================================= */
.backcover{
    background: var(--paper);
    color: var(--hazard-black);
    padding: 90px 24px 60px;
    text-align: center;
}
.hazard-divider--top{ margin-bottom: 60px; }
.backcover__title{
    font-family: var(--display);
    font-weight: 600;
    font-size: clamp(26px, 4vw, 38px);
    margin: 0 auto 50px;
    max-width: 18ch;
}
.contactgrid{
    max-width: 720px;
    margin: 0 auto 50px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    text-align: left;
}
.contactgrid__item{
    border-left: 2px solid var(--amber);
    padding: 4px 0 4px 16px;
}
.contactgrid__label{
    display: block;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #6b6656;
    margin-bottom: 6px;
}
.contactgrid__value{
    font-size: 16px;
    line-height: 1.5;
}
.contactgrid__value a{ text-decoration: none; }
.contactgrid__value a:hover{ text-decoration: underline; }

.cover__actions--back{ margin-bottom: 60px; }

.backcover__stamp{
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: #8a8570;
    text-transform: uppercase;
}

/* =========================================================
   SIGNATURE ELEMENT — pressure gauge scroll indicator
   ========================================================= */
.gauge{
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 500;
    width: 128px;
    padding: 12px 10px 10px;
    background: rgba(18,18,18,0.82);
    border: 1px solid var(--panel-line);
    backdrop-filter: blur(6px);
    text-align: center;
    pointer-events: none;
}
.gauge__dial{ width: 100%; height: auto; overflow: visible; }
.gauge__track{
    fill: none;
    stroke: var(--panel-line);
    stroke-width: 10;
    stroke-linecap: round;
}
.gauge__fill{
    fill: none;
    stroke: var(--amber);
    stroke-width: 10;
    stroke-linecap: round;
    stroke-dasharray: 251.2;
    stroke-dashoffset: 251.2;
    transition: stroke-dashoffset 0.1s linear;
}
.gauge__ticks line{
    stroke: var(--paper-dim);
    stroke-width: 2;
}
.gauge__needle{
    stroke: var(--paper);
    stroke-width: 3;
    stroke-linecap: round;
    transform-origin: 100px 110px;
    transition: transform 0.1s linear;
}
.gauge__hub{ fill: var(--paper); }
.gauge__readout{
    margin-top: -18px;
    font-family: var(--mono);
    font-weight: 600;
    color: var(--paper);
}
.gauge__value{ font-size: 20px; }
.gauge__unit{ font-size: 12px; color: var(--paper-dim); }
.gauge__label{
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--paper-dim);
    margin-top: 2px;
}

@media (max-width: 599px){
    .gauge{ width: 100px; right: 12px; bottom: 12px; }
    .titleblock{ position: static; margin: 0 auto 40px; max-width: 220px; }
    .sheet{ padding: 80px 20px; }
}

/* =========================================================
   PRINT — this is what "Download Brochure" produces
   ========================================================= */
@media print{
    @page{ margin: 14mm; }
    .gauge, .skip-link, .cover__scrollcue, .cover__actions,
    .hazard-divider, .cover::before, .titleblock{ display: none !important; }
    body{ background: #fff; color: #111; }
    .cover{ min-height: auto; padding: 0 0 30px; }
    .cover__badge-svg{ animation: none; }
    .sheet, .backcover{ max-width: 100%; padding: 24px 0; break-inside: avoid; }
    .sheet__title, .cover__title, .backcover__title{ color: #111; }
    .sheet__lede, .stat__label, .speccard__text{ color: #333; }
    .speccard, .stat{ background: #fff; border-color: #ccc; }
    .backcover{ background: #fff; color: #111; }
    [data-reveal]{ opacity: 1 !important; transform: none !important; }
    .speccard, .checklist__item{ break-inside: avoid; }
    a{ text-decoration: none; color: #111; }
}