/* ============================================================
   TESTO BOOST — Industrial Blueprint System
   Tech manual x engineering doc x hodinkee.
   ============================================================ */

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

:root {
    --ink:        #16181A;
    --ink-soft:   #2A2D31;
    --ink-dim:    #4C5158;
    --steel:      #7C828A;
    --steel-lt:   #A7ACB2;
    --rule:       #D7D2C6;
    --rule-soft:  #E6E1D4;
    --paper:      #F2F0EA;
    --paper-2:    #E9E5D8;
    --paper-3:    #DEDAC9;
    --bp-blue:    #1F3B8A;
    --bp-blue-lt: #2C53C2;
    --bp-blue-dk: #142866;
    --red:        #C8252B;
    --red-dk:     #9F1A20;
    --grid:       rgba(31,59,138,0.10);
    --grid-bold:  rgba(31,59,138,0.18);
    --rail-w:     88px;
}

html { scroll-behavior: smooth; }
img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }

body {
    background: var(--paper);
    color: var(--ink);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.07;
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.42 0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection { background: var(--ink); color: var(--paper); }

.top-banner {
    background: var(--ink);
    color: var(--paper);
    border-bottom: 1px solid #000;
    padding: 8px 22px;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 601;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    height: 34px;
}
.top-banner-item {
    padding: 0 22px;
    position: relative;
    color: var(--paper);
}
.top-banner-item + .top-banner-item::before {
    content: 'x';
    position: absolute; left: -3px;
    color: var(--red);
    font-weight: 600;
}
@media (max-width: 720px) {
    .top-banner-item:nth-child(n+3) { display: none; }
    .top-banner { font-size: 10px; padding: 8px 14px; letter-spacing: 0.18em; }
}

nav.site-nav {
    position: fixed;
    top: 34px;
    left: 0;
    bottom: 0;
    width: var(--rail-w);
    z-index: 590;
    background: var(--paper);
    border-right: 1px solid var(--rule);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 0;
    color: var(--ink);
}
nav.site-nav::before {
    content: '';
    position: absolute;
    top: 18px; left: 14px; right: 14px;
    height: 28px;
    background-image: repeating-linear-gradient(
        135deg,
        var(--ink) 0,
        var(--ink) 1px,
        transparent 1px,
        transparent 6px
    );
    opacity: 0.85;
}

.nav-logo {
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    letter-spacing: 0.32em;
    font-size: 14px;
    text-transform: uppercase;
    color: var(--ink);
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    margin: 64px auto 18px;
    padding: 14px 0;
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--ink);
    white-space: nowrap;
    line-height: 1;
}
.nav-logo em {
    color: var(--red);
    font-style: normal;
    font-weight: 700;
}

.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    margin: 14px 0 0;
    padding: 14px 0;
    gap: 0;
    flex: 1;
    border-top: 1px dashed var(--rule);
    font-family: 'Oswald', sans-serif;
}
.nav-links li { width: 100%; position: relative; }
.nav-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 46px;
    color: var(--ink-dim);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    padding: 14px 0;
    margin: 6px 0;
    transition: color 180ms;
    position: relative;
}
.nav-links a::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 50%;
    width: 6px;
    height: 1px;
    background: var(--steel);
    transform: translateY(-50%);
    transition: background 180ms, width 180ms;
}
.nav-links a:hover,
.nav-links a.active { color: var(--ink); }
.nav-links a.active::before { background: var(--red); width: 14px; }
.nav-links a:hover::before { background: var(--ink); }

.nav-cta {
    display: block;
    background: var(--red);
    color: var(--paper);
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    letter-spacing: 0.2em;
    font-size: 11px;
    text-transform: uppercase;
    text-align: center;
    padding: 18px 6px;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    align-self: center;
    margin: 0 0 22px;
    border: 1px solid var(--red-dk);
    transition: background 180ms;
    white-space: nowrap;
}
.nav-cta:hover { background: var(--red-dk); }

.nav-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    width: 26px; height: 22px;
    justify-content: center;
}
.nav-burger span {
    display: block; height: 2px; width: 100%;
    background: var(--ink);
    transition: transform 220ms, opacity 220ms;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

body { padding-left: var(--rail-w); }
.top-banner { padding-left: calc(var(--rail-w) + 22px); }

@media (max-width: 980px) {
    body { padding-left: 0; }
    .top-banner { padding-left: 22px; }

    nav.site-nav {
        top: 34px;
        left: 0; right: 0; bottom: auto;
        width: auto;
        height: 54px;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        border-right: 0;
        border-bottom: 1px solid var(--rule);
        padding: 0 20px;
    }
    nav.site-nav::before { display: none; }
    .nav-logo {
        writing-mode: horizontal-tb;
        transform: none;
        margin: 0;
        padding: 6px 0;
        border-top: 0;
        border-bottom: 0;
        font-size: 15px;
        letter-spacing: 0.22em;
    }
    .nav-burger { display: flex; }
    .nav-links {
        position: fixed;
        top: 88px;
        left: 0;
        width: 280px;
        max-width: 86vw;
        bottom: 0;
        background: var(--paper);
        border-right: 1px solid var(--rule);
        flex-direction: column;
        padding: 24px 0;
        margin: 0;
        border-top: 0;
        transform: translateX(-101%);
        transition: transform 320ms ease;
        z-index: 595;
    }
    .nav-links.open { transform: translateX(0); }
    .nav-links a {
        writing-mode: horizontal-tb;
        transform: none;
        justify-content: flex-start;
        height: auto;
        padding: 16px 28px;
        font-size: 13px;
        margin: 0;
    }
    .nav-links a::before {
        left: 14px;
        width: 6px;
        background: var(--steel);
    }
    .nav-links a.active::before { width: 14px; background: var(--red); }
    .nav-cta {
        writing-mode: horizontal-tb;
        transform: none;
        margin: 0;
        padding: 9px 18px;
        font-size: 11px;
    }
}

.page-pad { padding-top: 96px; }
@media (max-width: 980px) { .page-pad { padding-top: 116px; } }

.section {
    padding: 96px 56px;
    position: relative;
}
.section.dark    { background: var(--ink); color: var(--paper); }
.section.cream   { background: var(--paper-2); color: var(--ink); }
.section.paper   { background: var(--paper); color: var(--ink); }
.section.steel   { background: var(--ink-soft); color: var(--paper); }
.section.blueprint {
    background-color: var(--bp-blue);
    color: var(--paper);
    background-image:
        linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px);
    background-size: 32px 32px;
}

.container        { max-width: 1180px; margin: 0 auto; position: relative; }
.container.narrow { max-width: 800px; }
.container.medium { max-width: 980px; }
.container.wide   { max-width: 1320px; }

.chapter {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 56px;
    align-items: start;
    margin-bottom: 56px;
}
.chapter-mark {
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--steel);
    padding-top: 18px;
    border-top: 1px solid var(--ink);
}
.section.dark .chapter-mark,
.section.steel .chapter-mark,
.section.blueprint .chapter-mark {
    color: var(--steel-lt);
    border-color: var(--paper);
}
.chapter-mark strong {
    display: block;
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    font-size: 56px;
    letter-spacing: 0;
    color: var(--ink);
    line-height: 1;
    margin-top: 10px;
}
.section.dark .chapter-mark strong,
.section.steel .chapter-mark strong,
.section.blueprint .chapter-mark strong { color: var(--paper); }
.chapter-mark em {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-style: normal;
    font-size: 10px;
    color: var(--red);
    letter-spacing: 0.16em;
    margin-top: 14px;
}
@media (max-width: 900px) {
    .chapter { grid-template-columns: 1fr; gap: 20px; margin-bottom: 36px; }
    .chapter-mark strong { font-size: 40px; }
}

.eyebrow,
.kicker {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--red);
    font-weight: 500;
    margin-bottom: 22px;
    padding: 0;
}
.eyebrow::before { content: '-- '; color: var(--red); }
.kicker { color: var(--steel); }
.kicker::before { content: '// '; color: var(--red); }

.section.dark .eyebrow,
.section.steel .eyebrow,
.section.blueprint .eyebrow { color: #FF6E73; }

h1, h2, h3, h4, h5 {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0;
    line-height: 1.02;
    color: inherit;
}
.display {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    font-size: clamp(48px, 7.4vw, 104px);
    line-height: 0.94;
    letter-spacing: -0.01em;
    text-transform: uppercase;
}
.display em {
    font-style: normal;
    color: var(--red);
}
.h1 { font-size: clamp(36px, 5vw, 64px); font-weight: 500; line-height: 0.98; }
.h2 { font-size: clamp(28px, 3.6vw, 44px); font-weight: 500; line-height: 1.04; }
.h3 { font-size: clamp(20px, 2.2vw, 26px); font-weight: 600; letter-spacing: 0.01em; }

.lede {
    font-family: 'Inter', sans-serif;
    font-size: clamp(17px, 1.6vw, 19px);
    font-weight: 400;
    color: var(--ink-dim);
    line-height: 1.6;
    max-width: 64ch;
}
.section.dark .lede,
.section.steel .lede,
.section.blueprint .lede { color: rgba(242,240,234,0.78); }

p { margin-bottom: 1.1em; }
ul, ol { margin: 0 0 1.1em 1.2em; }
li { margin-bottom: 0.4em; }

strong { font-weight: 600; color: inherit; }

.spec {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--steel);
}

.rule-red {
    display: block;
    width: 56px;
    height: 3px;
    background: var(--red);
    margin: 22px 0;
}
.rule-red.center { margin-left: auto; margin-right: auto; }
.divider { width: 56px; height: 3px; background: var(--red); margin: 24px auto; }

.home-hero {
    position: relative;
    min-height: calc(100vh - 34px);
    background-color: var(--paper);
    background-image:
        linear-gradient(var(--grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid) 1px, transparent 1px),
        linear-gradient(var(--grid-bold) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-bold) 1px, transparent 1px);
    background-size: 32px 32px, 32px 32px, 160px 160px, 160px 160px;
    color: var(--ink);
    padding: 80px 56px 80px;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.home-hero::before {
    content: 'DWG. TB-001 / REV. 03 / SHEET 1 OF 1';
    position: absolute;
    top: 28px; right: 56px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--bp-blue);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    border: 1px solid var(--bp-blue);
    padding: 6px 12px;
}
.home-hero::after {
    content: '';
    position: absolute;
    bottom: 28px; left: 56px;
    width: 22px; height: 22px;
    background:
        linear-gradient(var(--bp-blue), var(--bp-blue)) center/100% 1px no-repeat,
        linear-gradient(90deg, var(--bp-blue), var(--bp-blue)) center/1px 100% no-repeat;
    border: 1px solid var(--bp-blue);
    border-radius: 50%;
}

.home-hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
}

.home-hero-copy .chapter-mark {
    margin-bottom: 28px;
    border-top: 1px solid var(--ink);
    padding-top: 12px;
    max-width: 320px;
}
.home-hero-copy .chapter-mark strong { font-size: 20px; }

.home-hero-copy .display {
    margin: 6px 0 24px;
}
.home-hero-copy .lede {
    margin-top: 24px;
    max-width: 52ch;
}
.home-hero-copy .lede strong { color: var(--ink); border-bottom: 1px solid var(--red); }

.home-hero-actions {
    margin-top: 36px;
    display: flex; gap: 16px; flex-wrap: wrap;
}

.home-hero-bottle {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 5;
    display: grid;
    place-items: center;
}
.home-hero-bottle img {
    max-height: 100%;
    max-width: 84%;
    object-fit: contain;
    z-index: 2;
    position: relative;
    filter: drop-shadow(0 18px 28px rgba(20,40,102,0.18));
}
.home-hero-bottle svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
    overflow: visible;
}

@media (max-width: 900px) {
    .home-hero { padding: 60px 24px 60px; }
    .home-hero::before { top: 12px; right: 18px; font-size: 9px; }
    .home-hero::after  { bottom: 16px; left: 18px; }
    .home-hero-grid { grid-template-columns: 1fr; gap: 30px; }
    .home-hero-bottle { aspect-ratio: 1 / 1; max-height: 380px; }
}

.page-hero {
    background-color: var(--paper);
    background-image:
        linear-gradient(var(--grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size: 32px 32px;
    color: var(--ink);
    padding: 96px 56px 80px;
    border-bottom: 1px solid var(--rule);
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: attr(data-doc);
    position: absolute;
    top: 28px; right: 56px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--bp-blue);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    border: 1px solid var(--bp-blue);
    padding: 6px 12px;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero .display { margin-top: 6px; }
.page-hero .lede   { margin-top: 28px; }
@media (max-width: 700px) {
    .page-hero { padding: 64px 24px 56px; }
    .page-hero::before { top: 12px; right: 14px; font-size: 9px; }
}

.btn,
.btn-primary,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 26px;
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--ink);
    background: var(--ink);
    color: var(--paper);
    transition: background 200ms, color 200ms, border-color 200ms;
    position: relative;
    border-radius: 0;
}
.btn-primary {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}
.btn-primary:hover {
    background: var(--red);
    border-color: var(--red);
    color: var(--paper);
}

.btn-ghost {
    background: transparent;
    color: var(--red);
    border-color: var(--red);
}
.btn-ghost:hover {
    background: var(--red);
    color: var(--paper);
}
.section.dark .btn-ghost,
.section.steel .btn-ghost,
.section.blueprint .btn-ghost {
    background: transparent;
    color: var(--paper);
    border-color: var(--paper);
}
.section.dark .btn-ghost:hover,
.section.steel .btn-ghost:hover,
.section.blueprint .btn-ghost:hover {
    background: var(--paper);
    color: var(--ink);
}

.trust-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--ink);
    color: var(--paper);
    padding: 0;
    border-top: 1px solid #000;
    border-bottom: 1px solid #000;
    margin: 0;
}
.trust-item {
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    border-right: 1px solid rgba(255,255,255,0.12);
}
.trust-item:last-child { border-right: 0; }
.trust-item::after {
    content: '';
    position: absolute;
    top: 18px; right: -1px;
    width: 1px;
    height: 28px;
    background: var(--red);
}
.trust-item:last-child::after { display: none; }
.trust-icon {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--red);
    letter-spacing: 0.22em;
    text-transform: uppercase;
}
.trust-label {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    font-size: 19px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    line-height: 1.1;
    color: var(--paper);
}
.trust-sub {
    font-size: 13px;
    line-height: 1.5;
    color: rgba(242,240,234,0.62);
    max-width: 30ch;
}
@media (max-width: 900px) {
    .trust-bar { grid-template-columns: repeat(2, 1fr); }
    .trust-item { border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.12); padding: 28px 22px; }
    .trust-item::after { display: none; }
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    margin-bottom: 96px;
}
.feature-row:last-child { margin-bottom: 0; }
.feature-row.reverse .feature-copy { order: 2; }
.feature-copy h2,
.feature-copy h3 { margin-bottom: 18px; }
.feature-copy .lede { margin-top: 14px; }
.feature-image {
    aspect-ratio: 4 / 5;
    background-color: var(--paper);
    background-image:
        linear-gradient(var(--grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size: 24px 24px;
    border: 1px solid var(--rule);
    position: relative;
    overflow: hidden;
    display: grid;
    place-items: center;
}
.feature-image::before {
    content: 'FIG.';
    position: absolute;
    top: 14px; left: 14px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--bp-blue);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    border: 1px solid var(--bp-blue);
    padding: 4px 8px;
}
.feature-image::after {
    content: '';
    position: absolute;
    bottom: 14px; right: 14px;
    width: 18px; height: 18px;
    background:
        linear-gradient(var(--bp-blue), var(--bp-blue)) center/100% 1px no-repeat,
        linear-gradient(90deg, var(--bp-blue), var(--bp-blue)) center/1px 100% no-repeat;
    border: 1px solid var(--bp-blue);
    border-radius: 50%;
}
.feature-image img {
    max-height: 86%;
    max-width: 78%;
    object-fit: contain;
    filter: drop-shadow(0 12px 24px rgba(20,40,102,0.18));
}
.feature-image.dark {
    background-color: var(--bp-blue);
    background-image:
        linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
    border-color: var(--bp-blue-dk);
}
.feature-image.dark::before { color: var(--paper); border-color: var(--paper); }
.feature-image.dark::after {
    background:
        linear-gradient(var(--paper), var(--paper)) center/100% 1px no-repeat,
        linear-gradient(90deg, var(--paper), var(--paper)) center/1px 100% no-repeat;
    border-color: var(--paper);
}

@media (max-width: 900px) {
    .feature-row { grid-template-columns: 1fr; gap: 28px; margin-bottom: 56px; }
    .feature-row.reverse .feature-copy { order: 0; }
    .feature-image { aspect-ratio: 4 / 3; }
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 0;
    margin-top: 48px;
    border-top: 1px solid var(--ink);
    border-left: 1px solid var(--ink);
    counter-reset: card-counter;
}
.cards .card {
    background: var(--paper);
    border-right: 1px solid var(--ink);
    border-bottom: 1px solid var(--ink);
    padding: 36px 30px 32px;
    transition: background 220ms;
    display: flex;
    flex-direction: column;
    position: relative;
    counter-increment: card-counter;
}
.cards .card::before {
    content: 'REF.0' counter(card-counter);
    position: absolute;
    top: 14px; left: 14px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--red);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}
.cards .card:hover { background: var(--paper-2); }

.section.dark .cards,
.section.steel .cards,
.section.blueprint .cards {
    border-top-color: var(--paper);
    border-left-color: var(--paper);
}
.section.dark .cards .card,
.section.steel .cards .card,
.section.blueprint .cards .card {
    background: transparent;
    color: var(--paper);
    border-right-color: var(--paper);
    border-bottom-color: var(--paper);
}
.section.dark .cards .card:hover,
.section.steel .cards .card:hover,
.section.blueprint .cards .card:hover {
    background: rgba(255,255,255,0.04);
}
.card-icon {
    width: 36px; height: 36px;
    display: grid; place-items: center;
    background: var(--ink);
    color: var(--paper);
    font-family: 'Oswald', sans-serif;
    font-size: 16px;
    font-weight: 600;
    margin: 8px 0 18px;
    border: 1px solid var(--ink);
}
.section.dark .card-icon,
.section.steel .card-icon,
.section.blueprint .card-icon {
    background: var(--paper);
    color: var(--ink);
    border-color: var(--paper);
}
.card-title {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    font-size: 22px;
    letter-spacing: 0;
    text-transform: uppercase;
    line-height: 1.1;
    margin: 4px 0 12px;
}
.card-meta {
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 10px;
    color: var(--bp-blue);
    margin: 8px 0 10px;
}
.section.dark .card-meta,
.section.steel .card-meta,
.section.blueprint .card-meta { color: #9BB1FF; }
.card p {
    color: var(--ink-dim);
    font-size: 15px;
    line-height: 1.6;
    flex: 1;
}
.section.dark .card p,
.section.steel .card p,
.section.blueprint .card p { color: rgba(242,240,234,0.7); }

.ingredient-card {
    background: var(--paper);
    border: 1px solid var(--ink);
    padding: 0;
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    position: relative;
}
.ingredient-card .ing-head {
    padding: 26px 28px 18px;
    border-bottom: 1px solid var(--ink);
    position: relative;
}
.ingredient-card .ing-head::before {
    content: attr(data-ref);
    position: absolute;
    top: 14px; right: 18px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--red);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}
.ingredient-card .ing-name {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    font-size: 28px;
    text-transform: uppercase;
    line-height: 1;
    margin-bottom: 8px;
}
.ingredient-card .ing-latin {
    font-style: italic;
    color: var(--ink-dim);
    font-size: 14px;
    font-family: 'Inter', sans-serif;
}
.ingredient-card .ing-dose {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 12px;
    color: var(--paper);
    background: var(--bp-blue);
    padding: 12px 28px;
    border-bottom: 1px solid var(--ink);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.ingredient-card .ing-dose::before {
    content: 'DOSE //';
    color: rgba(255,255,255,0.55);
    margin-right: 12px;
}
.ingredient-card .ing-body {
    padding: 22px 28px;
}
.ingredient-card .ing-body p {
    color: var(--ink-dim);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 14px;
}
.ingredient-card .ing-foot {
    border-top: 1px dashed var(--rule);
    margin: 8px 28px 22px;
    padding-top: 14px;
    font-size: 13px;
    color: var(--ink-dim);
    line-height: 1.7;
}
.ingredient-card .ing-foot strong {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--red);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-weight: 500;
    display: inline-block;
    min-width: 58px;
}

.stats {
    margin-top: 40px;
    border: 1px solid var(--ink);
    background: var(--paper);
    position: relative;
}
.stats::before {
    content: 'FIELD DATA / MEN 45+';
    position: absolute;
    top: -1px; left: -1px;
    background: var(--ink);
    color: var(--paper);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.22em;
    padding: 6px 16px;
    text-transform: uppercase;
}
.stats > div {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: baseline;
    padding: 22px 28px;
    border-top: 1px solid var(--rule);
    text-align: left;
}
.stats > div:first-child { padding-top: 48px; }
.stat-num {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    font-size: clamp(38px, 4vw, 52px);
    color: var(--ink);
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: 0;
}
.stat-num em {
    font-family: 'JetBrains Mono', monospace;
    font-style: normal;
    font-size: 14px;
    color: var(--red);
    margin-left: 6px;
    letter-spacing: 0.1em;
    vertical-align: top;
    line-height: 1;
}
.stat-label {
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 11px;
    color: var(--ink-dim);
    line-height: 1.5;
}
@media (max-width: 700px) {
    .stats > div { grid-template-columns: 1fr; gap: 6px; }
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 0;
    border-top: 1px solid var(--ink);
    border-left: 1px solid var(--ink);
    counter-reset: blog-counter;
}
.blog-card {
    background: var(--paper);
    border-right: 1px solid var(--ink);
    border-bottom: 1px solid var(--ink);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: background 220ms;
    counter-increment: blog-counter;
    position: relative;
}
.blog-card:hover { background: var(--paper-2); }
.blog-card::after {
    content: 'ART.0' counter(blog-counter);
    position: absolute;
    top: 14px; left: 14px;
    z-index: 2;
    background: var(--paper);
    color: var(--red);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.16em;
    padding: 4px 8px;
    border: 1px solid var(--red);
    text-transform: uppercase;
}
.blog-card-img {
    aspect-ratio: 16 / 10;
    background-image: var(--card-bg-img);
    background-size: cover;
    background-position: center;
    position: relative;
    border-bottom: 1px solid var(--ink);
    filter: grayscale(0.45) contrast(1.05);
    color: transparent;
    font-size: 0;
}
.blog-card-img::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(31,59,138,0.15) 0%, rgba(20,40,102,0.32) 100%);
}
.blog-card-body {
    padding: 24px 24px 26px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.blog-card-cat {
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 10px;
    color: var(--red);
    font-weight: 500;
    margin-bottom: 12px;
}
.blog-card-title {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    font-size: 22px;
    text-transform: uppercase;
    line-height: 1.08;
    margin-bottom: 12px;
    letter-spacing: 0;
}
.blog-card-excerpt {
    color: var(--ink-dim);
    font-size: 14.5px;
    line-height: 1.55;
    flex: 1;
}
.blog-card-meta {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px dashed var(--rule);
    display: flex;
    justify-content: space-between;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 10.5px;
    color: var(--steel);
}

.article-hero {
    background-color: var(--paper);
    background-image:
        linear-gradient(var(--grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size: 32px 32px;
    color: var(--ink);
    padding: 80px 56px 64px;
    border-bottom: 1px solid var(--rule);
}
.article-hero .container.narrow { text-align: left; }
.article-cat {
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    font-size: 11px;
    color: var(--red);
    margin-bottom: 18px;
    font-weight: 500;
}
.article-cat::before { content: '// '; }
.article-hero h1 {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    font-size: clamp(32px, 5vw, 56px);
    margin-bottom: 22px;
    line-height: 1.0;
    text-transform: uppercase;
    color: var(--ink);
}
.article-meta {
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 11px;
    color: var(--steel);
}
.article-meta::before { content: 'LOG // '; color: var(--ink-dim); }
.article-body {
    padding: 72px 56px 96px;
    background: var(--paper);
}
.article-body .container.narrow {
    font-family: 'Inter', sans-serif;
    font-size: 17px;
    line-height: 1.75;
    color: var(--ink-soft);
}
.article-body p { margin-bottom: 1.3em; }
.article-body h2 {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    font-size: 28px;
    margin: 56px 0 18px;
    padding-top: 24px;
    border-top: 1px solid var(--ink);
    text-transform: uppercase;
    letter-spacing: 0;
    color: var(--ink);
    position: relative;
}
.article-body h2::before {
    content: 'S';
    font-family: 'JetBrains Mono', monospace;
    color: var(--red);
    margin-right: 12px;
    font-size: 14px;
    vertical-align: 4px;
}
.article-body h3 {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    font-size: 20px;
    margin: 36px 0 12px;
    text-transform: uppercase;
    color: var(--ink);
}
.article-body blockquote {
    border-left: 3px solid var(--red);
    margin: 36px 0;
    padding: 4px 0 4px 24px;
    font-family: 'Inter', sans-serif;
    font-style: italic;
    font-size: 19px;
    color: var(--ink);
    font-weight: 400;
}
.article-body ul, .article-body ol { margin-left: 1.2em; margin-bottom: 1.3em; }
.article-body li { margin-bottom: 0.5em; }
.article-body strong { color: var(--ink); }
.article-body em { color: var(--ink); }
.article-body a {
    color: var(--bp-blue);
    border-bottom: 1px solid var(--bp-blue);
    transition: color 180ms, border-color 180ms;
}
.article-body a:hover { color: var(--red); border-bottom-color: var(--red); }

.article-callout {
    background: var(--paper-2);
    border: 1px solid var(--ink);
    border-left: 3px solid var(--red);
    padding: 26px 30px;
    margin: 36px 0;
    position: relative;
}
.article-callout::before {
    content: 'NOTE';
    position: absolute;
    top: -10px; left: 20px;
    background: var(--ink);
    color: var(--paper);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.22em;
    padding: 4px 10px;
    text-transform: uppercase;
}
.article-callout .kicker {
    color: var(--red);
    margin-bottom: 8px;
    font-weight: 500;
}
.article-callout .kicker::before { content: ''; }
.article-callout p { color: var(--ink-soft); margin-bottom: 0; }

.article-cover-img {
    width: 100%;
    height: 360px;
    background-size: cover;
    background-position: center;
    position: relative;
    filter: grayscale(0.4) contrast(1.05);
    border-bottom: 1px solid var(--ink);
}
.article-cover-img::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(31,59,138,0.15) 0%, rgba(20,40,102,0.35) 100%);
}
@media (max-width: 700px) {
    .article-cover-img { height: 220px; }
    .article-hero { padding: 56px 24px 48px; }
    .article-body { padding: 48px 24px 64px; }
}

.faq-list {
    margin-top: 36px;
    border-top: 1px solid var(--ink);
    counter-reset: faq-counter;
}
.faq-item {
    border-bottom: 1px solid var(--ink);
    padding: 28px 0;
    position: relative;
    counter-increment: faq-counter;
}
.faq-q {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    font-size: 21px;
    text-transform: uppercase;
    letter-spacing: 0;
    line-height: 1.15;
    margin-bottom: 0;
    cursor: pointer;
    display: grid;
    grid-template-columns: 64px 1fr 28px;
    align-items: start;
    gap: 14px;
    color: var(--ink);
}
.faq-q::before {
    content: 'Q.' counter(faq-counter, decimal-leading-zero);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--red);
    letter-spacing: 0.16em;
    font-weight: 500;
    padding-top: 6px;
}
.faq-q::after {
    content: '+';
    font-family: 'JetBrains Mono', monospace;
    font-size: 22px;
    color: var(--ink);
    font-weight: 400;
    line-height: 1;
    transition: transform 220ms;
    text-align: right;
}
.faq-item.open .faq-q::after { content: 'x'; color: var(--red); }
.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 320ms ease;
    color: var(--ink-soft);
    font-size: 16px;
    line-height: 1.65;
    padding-left: 78px;
}
.faq-item.open .faq-a { max-height: 800px; padding-top: 16px; padding-bottom: 6px; }
@media (max-width: 700px) {
    .faq-q { grid-template-columns: 48px 1fr 22px; font-size: 18px; }
    .faq-a { padding-left: 62px; font-size: 15px; }
}

.cta-band {
    background: var(--ink);
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    color: var(--paper);
    padding: 88px 56px;
    text-align: center;
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--ink);
    position: relative;
}
.cta-band::before {
    content: 'ACTION';
    position: absolute;
    top: 24px; left: 56px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--red);
    letter-spacing: 0.32em;
    text-transform: uppercase;
}
.cta-band::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    height: 4px;
    width: 100%;
    background: repeating-linear-gradient(90deg, var(--red) 0, var(--red) 20px, var(--ink) 20px, var(--ink) 40px);
}
.cta-band h2 { margin-bottom: 18px; color: var(--paper); }

footer.site-footer {
    background: var(--ink);
    color: rgba(242,240,234,0.65);
    padding: 72px 56px 32px;
    border-top: 1px solid #000;
    position: relative;
    font-family: 'Inter', sans-serif;
}
footer.site-footer::before {
    content: 'END OF DOCUMENT / REV. 03';
    position: absolute;
    top: 28px; right: 56px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--red);
    letter-spacing: 0.22em;
    text-transform: uppercase;
}
.footer-cols {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 56px;
    max-width: 1320px;
    margin: 0 auto;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.10);
}
.footer-brand .nav-logo {
    writing-mode: horizontal-tb;
    transform: none;
    margin: 0 0 18px;
    border: 0;
    padding: 0;
    font-size: 22px;
    color: var(--paper);
    letter-spacing: 0.22em;
}
.footer-brand p {
    font-size: 14px;
    color: rgba(242,240,234,0.62);
    line-height: 1.65;
    max-width: 36ch;
}
.footer-col h4 {
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    font-size: 11px;
    color: var(--red);
    margin-bottom: 22px;
    font-weight: 500;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-col ul { list-style: none; margin: 0; }
.footer-col li { margin-bottom: 11px; font-size: 14px; }
.footer-col a {
    color: rgba(242,240,234,0.72);
    transition: color 180ms, padding-left 220ms;
    display: inline-block;
}
.footer-col a:hover { color: var(--paper); padding-left: 8px; }

.footer-disclaimer {
    max-width: 1320px;
    margin: 32px auto 0;
    font-size: 12px;
    color: rgba(242,240,234,0.42);
    line-height: 1.7;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(255,255,255,0.10);
    font-family: 'Inter', sans-serif;
}
.footer-bottom {
    max-width: 1320px;
    margin: 22px auto 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 11px;
    color: rgba(242,240,234,0.4);
}
.footer-bottom a {
    color: rgba(242,240,234,0.55);
    margin-left: 20px;
    transition: color 180ms;
}
.footer-bottom a:first-child { margin-left: 0; }
.footer-bottom a:hover { color: var(--red); }

@media (max-width: 800px) {
    footer.site-footer { padding: 56px 24px 28px; }
    footer.site-footer::before { right: 24px; }
    .footer-cols { grid-template-columns: 1fr 1fr; gap: 36px 28px; }
}
@media (max-width: 480px) {
    .footer-cols { grid-template-columns: 1fr; gap: 36px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .footer-bottom div { display: flex; flex-wrap: wrap; gap: 14px; }
    .footer-bottom a { margin-left: 0; }
}

.text-center { text-align: center; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 26px; }
.mt-4 { margin-top: 36px; }
.mb-3 { margin-bottom: 26px; }

.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    background: var(--paper);
    border: 1px solid var(--ink);
}
.spec-table tr { border-bottom: 1px solid var(--rule); }
.spec-table tr:last-child { border-bottom: 0; }
.spec-table th, .spec-table td {
    padding: 14px 18px;
    text-align: left;
    vertical-align: top;
}
.spec-table th {
    width: 240px;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--ink-dim);
    border-right: 1px solid var(--rule);
    background: var(--paper-2);
}
.spec-table td {
    font-size: 15px;
    color: var(--ink-soft);
    line-height: 1.55;
}

.tag {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--red);
    border: 1px solid var(--red);
    padding: 3px 8px;
    margin-right: 6px;
}
.tag.blue { color: var(--bp-blue); border-color: var(--bp-blue); }
.tag.ink  { color: var(--ink);     border-color: var(--ink); }

.policy-wrap {
    max-width: 820px;
    margin: 0 auto;
    padding: 72px 56px 96px;
}
.policy-intro {
    font-size: 16px;
    line-height: 1.75;
    color: var(--ink-soft);
    margin-bottom: 48px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--rule);
}
.policy-section { margin-bottom: 44px; }
.policy-section h2 {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    font-size: 22px;
    text-transform: uppercase;
    color: var(--ink);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--ink);
    display: flex;
    align-items: baseline;
    gap: 16px;
}
.policy-section h2::before {
    content: 'S.' attr(data-num);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--red);
    letter-spacing: 0.16em;
    font-weight: 500;
}
.policy-section p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--ink-soft);
    margin-bottom: 14px;
}
.policy-section ul {
    list-style: none;
    margin: 14px 0;
    padding: 0;
}
.policy-section ul li {
    font-size: 15px;
    line-height: 1.7;
    color: var(--ink-soft);
    padding-left: 24px;
    position: relative;
    margin-bottom: 8px;
}
.policy-section ul li::before {
    content: '--';
    position: absolute;
    left: 0;
    color: var(--red);
}
.policy-section .company-block {
    font-family: 'JetBrains Mono', monospace;
    line-height: 1.85;
    color: var(--ink-soft);
    background: var(--paper-2);
    border: 1px solid var(--ink);
    border-left: 3px solid var(--red);
    padding: 22px 26px;
    margin: 18px 0;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.08em;
}
.policy-section .company-block a {
    color: var(--bp-blue);
    border-bottom: 1px solid var(--bp-blue);
}
.policy-section a {
    color: var(--bp-blue);
    border-bottom: 1px solid var(--bp-blue);
}
.policy-section a:hover { color: var(--red); border-color: var(--red); }
@media (max-width: 700px) {
    .policy-wrap { padding: 56px 24px 64px; }
}

.address-card {
    background: var(--paper-2);
    border: 1px solid var(--ink);
    padding: 30px 32px;
    position: relative;
}
.address-card::before {
    content: 'REGISTERED OFFICE';
    position: absolute;
    top: -10px; left: 20px;
    background: var(--ink);
    color: var(--paper);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.22em;
    padding: 4px 10px;
    text-transform: uppercase;
}
.address-card h3 {
    font-family: 'Oswald', sans-serif;
    font-weight: 500;
    font-size: 22px;
    text-transform: uppercase;
    margin: 8px 0 14px;
}
.address-card p {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    line-height: 1.85;
    color: var(--ink-soft);
    letter-spacing: 0.04em;
}

.hero-svg .dim-line { stroke: var(--bp-blue); stroke-width: 1; fill: none; }
.hero-svg .dim-text {
    fill: var(--bp-blue);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}
.hero-svg .dim-arrow { fill: var(--bp-blue); }

/* ── Technical-doc footer additions ── */
.footer-stamp {
    max-width: 1320px;
    margin: 0 auto 14px;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 18px;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    font-size: 11px;
    color: rgba(242,240,234,0.55);
}
.footer-stamp-left { font-weight: 600; color: var(--paper); }
.footer-stamp-right { color: rgba(242,240,234,0.5); }
.footer-rule-red {
    max-width: 1320px;
    margin: 0 auto 38px;
    height: 3px;
    background: var(--red);
}
.footer-hairline {
    max-width: 1320px;
    margin: 26px auto 0;
    height: 1px;
    background: rgba(255,255,255,0.10);
}
.footer-distribution {
    max-width: 1320px;
    margin: 18px auto 0;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 11px;
    color: rgba(242,240,234,0.55);
}
.footer-field-data {
    max-width: 1320px;
    margin: 14px auto 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    line-height: 1.6;
    letter-spacing: 0.06em;
    color: rgba(242,240,234,0.42);
    font-style: italic;
}
.footer-disclaimer-label {
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--red);
    font-size: 11px;
    margin-right: 6px;
}
.footer-rev-stamp {
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: rgba(242,240,234,0.5);
    font-size: 11px;
}

@media (max-width: 800px) {
    .footer-stamp { flex-wrap: wrap; }
}