/* ============================================================
   Option 2 — Domestic Electrical Upgrades
   Confident, commercial, value-led. Big type, punchy CTAs.
   ============================================================ */

:root {
    --o2-ink: #0A2540;
    --o2-ink-deep: #061528;
    --o2-yellow: #FFD600;
    --o2-yellow-deep: #E8C200;
    --o2-bg: #FFFFFF;
    --o2-bg-soft: #F5F7FB;
    --o2-line: rgba(10,37,64,0.1);
    --o2-body: #3A4A5E;
    --o2-muted: #788599;
    --o2-radius: 8px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    color: var(--o2-ink);
    background: var(--o2-bg);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }

.o2-container { max-width: 1180px; margin: 0 auto; padding: 0 22px; }

/* ─── Demo badge ─── */
.o2-demo-badge {
    background: var(--o2-ink);
    color: var(--o2-yellow);
    text-align: center;
    padding: 8px 16px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
}
.o2-demo-badge a { color: #FFFFFF; }

/* ─── Header ─── */
.o2-header {
    background: var(--o2-bg);
    border-bottom: 1px solid var(--o2-line);
    position: sticky; top: 0; z-index: 10;
}
.o2-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 18px;
    padding-bottom: 18px;
    gap: 16px;
}
.o2-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--o2-ink);
}
.o2-logo__mark {
    width: 38px; height: 38px;
    background: var(--o2-ink);
    color: var(--o2-yellow);
    border-radius: 8px;
    display: grid; place-items: center;
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}
.o2-logo__text {
    font-weight: 800;
    letter-spacing: -0.015em;
    font-size: 1.05rem;
    line-height: 1.1;
}
.o2-logo__text small {
    display: block;
    color: var(--o2-muted);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-top: 2px;
}
.o2-logo__img {
    height: 42px;
    width: auto;
    display: block;
    flex: 0 0 auto;
}
.o2-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}
.o2-nav a {
    color: var(--o2-ink);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
}
.o2-nav a:hover { color: var(--o2-yellow-deep); }
.o2-nav__cta {
    background: var(--o2-yellow);
    color: var(--o2-ink) !important;
    padding: 10px 16px;
    border-radius: var(--o2-radius);
    transition: background 0.2s ease;
}
.o2-nav__cta:hover { background: var(--o2-yellow-deep); }
.o2-nav__links {
    display: flex;
    align-items: center;
    gap: 24px;
}
/* Hamburger — hidden on desktop */
.o2-nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--o2-line);
    border-radius: var(--o2-radius);
    background: var(--o2-bg);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: border-color 0.2s ease;
}
.o2-nav__toggle:hover { border-color: var(--o2-ink); }
.o2-nav__toggle span {
    display: block;
    width: 22px;
    height: 2px;
    margin: 0 auto;
    background: var(--o2-ink);
    border-radius: 2px;
    transition: transform 0.28s ease, opacity 0.2s ease;
}
.o2-nav.is-nav-open .o2-nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.o2-nav.is-nav-open .o2-nav__toggle span:nth-child(2) { opacity: 0; }
.o2-nav.is-nav-open .o2-nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (max-width: 720px) {
    .o2-nav { gap: 12px; }
    .o2-nav__toggle { display: flex; }
    .o2-nav__links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 0;
        background: var(--o2-bg);
        border-bottom: 3px solid var(--o2-yellow);
        box-shadow: 0 18px 40px rgba(10,37,64,0.16);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity 0.24s ease, transform 0.24s ease, visibility 0.24s;
        pointer-events: none;
        z-index: 40;
    }
    .o2-nav.is-nav-open .o2-nav__links {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }
    .o2-nav__links a:not(.o2-nav__cta) {
        padding: 14px 22px;
        font-size: 1rem;
        border-top: 1px solid var(--o2-line);
    }
    .o2-nav__links a:not(.o2-nav__cta):first-child { border-top: none; }
    .o2-nav__links .o2-nav__cta {
        display: block;
        margin: 14px 22px 8px;
        padding: 14px 20px;
        text-align: center;
        font-weight: 700;
    }
}

/* ─── Hero ─── */
.o2-hero {
    background: var(--o2-ink);
    color: #FFFFFF;
    padding: 80px 0 96px;
    position: relative;
    overflow: hidden;
}
.o2-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 85% 18%, rgba(255,214,0,0.07), transparent 45%),
        repeating-linear-gradient(135deg, transparent 0 24px, rgba(255,255,255,0.022) 24px 25px);
    pointer-events: none;
}
.o2-hero__inner { position: relative; z-index: 1; }
.o2-hero__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 56px;
    align-items: center;
}
@media (max-width: 880px) {
    .o2-hero__grid { grid-template-columns: 1fr; gap: 36px; }
}
.o2-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--o2-yellow);
    font-weight: 600;
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    margin-bottom: 22px;
    padding: 0;
    background: none;
}
.o2-hero__eyebrow::before {
    content: "";
    display: inline-block;
    width: 28px;
    height: 1px;
    background: var(--o2-yellow);
}
.o2-hero h1 {
    font-size: clamp(2.1rem, 4.8vw, 3.3rem);
    line-height: 1.08;
    letter-spacing: -0.028em;
    font-weight: 800;
    margin: 0 0 22px;
    max-width: 18ch;
}
.o2-hero h1 em {
    font-style: normal;
    color: #FFFFFF;
    text-decoration: underline;
    text-decoration-color: var(--o2-yellow);
    text-decoration-thickness: 3px;
    text-underline-offset: 8px;
    -webkit-box-decoration-break: clone;
    box-decoration-break: clone;
}
.o2-hero p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.85);
    margin: 0 0 32px;
    max-width: 50ch;
}
.o2-hero__cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.o2-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 22px;
    border-radius: var(--o2-radius);
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease;
    border: 2px solid transparent;
}
.o2-btn--primary {
    background: var(--o2-yellow);
    color: var(--o2-ink);
}
.o2-btn--primary:hover { background: var(--o2-yellow-deep); }
.o2-btn--ghost {
    border-color: rgba(255,255,255,0.3);
    color: #FFFFFF;
}
.o2-btn--ghost:hover { border-color: var(--o2-yellow); color: var(--o2-yellow); }
.o2-btn--inverse {
    background: var(--o2-ink);
    color: #FFFFFF;
}
.o2-btn--inverse:hover { background: var(--o2-ink-deep); }
.o2-btn--outline {
    border-color: var(--o2-ink);
    color: var(--o2-ink);
}
.o2-btn--outline:hover { background: var(--o2-ink); color: #FFFFFF; }

.o2-hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid rgba(255,255,255,0.12);
}
.o2-hero__stat strong {
    display: block;
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--o2-yellow);
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}
.o2-hero__stat span {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
}

.o2-hero__card {
    background: #FFFFFF;
    color: var(--o2-ink);
    border-radius: 14px;
    padding: 26px;
    box-shadow: 0 32px 64px -28px rgba(0,0,0,0.45);
}
.o2-hero__card h4 {
    margin: 0 0 14px;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--o2-muted);
}
.o2-hero__card-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 12px 0;
    border-bottom: 1px solid var(--o2-line);
}
.o2-hero__card-row:last-child { border-bottom: 0; }
.o2-hero__card-row strong { font-size: 0.98rem; }
.o2-hero__card-row span { color: var(--o2-muted); font-size: 0.85rem; }
.o2-hero__card-tag {
    background: var(--o2-yellow);
    color: var(--o2-ink);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 9px;
    border-radius: 999px;
}

/* ─── Sections ─── */
.o2-section { padding: 96px 0; }
.o2-section--soft { background: var(--o2-bg-soft); }
.o2-section--dark { background: var(--o2-ink); color: #FFFFFF; }
.o2-section__head {
    max-width: 60ch;
    margin: 0 auto 56px;
    text-align: center;
}
.o2-section__head .o2-eyebrow {
    display: inline-block;
    color: var(--o2-yellow-deep);
    font-weight: 700;
    font-size: 0.7rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.o2-section--dark .o2-section__head .o2-eyebrow { color: var(--o2-yellow); }
.o2-section__head h2 {
    font-size: clamp(1.7rem, 3.6vw, 2.3rem);
    line-height: 1.18;
    letter-spacing: -0.02em;
    font-weight: 800;
    margin: 0 0 14px;
}
.o2-section__head p { color: var(--o2-body); font-size: 1.04rem; margin: 0; }
.o2-section--dark .o2-section__head p { color: rgba(255,255,255,0.78); }

/* ─── Upgrade cards ─── */
.o2-upgrades {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}
@media (max-width: 720px) { .o2-upgrades { grid-template-columns: 1fr; } }
.o2-upgrade {
    background: #FFFFFF;
    border: 1px solid var(--o2-line);
    border-radius: 12px;
    padding: 30px;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.o2-upgrade:hover {
    transform: translateY(-2px);
    border-color: var(--o2-yellow);
    box-shadow: 0 24px 48px -28px rgba(10,37,64,0.18);
}
.o2-upgrade__tag {
    display: inline-block;
    background: var(--o2-yellow);
    color: var(--o2-ink);
    font-size: 0.7rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 999px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    align-self: flex-start;
}
.o2-upgrade h3 { margin: 0; font-size: 1.4rem; font-weight: 800; letter-spacing: -0.015em; }
.o2-upgrade p { margin: 0; color: var(--o2-body); }
.o2-upgrade__list {
    margin: 4px 0 0;
    padding: 0;
    list-style: none;
}
.o2-upgrade__list li {
    padding: 7px 0;
    border-top: 1px dashed var(--o2-line);
    font-size: 0.92rem;
    color: var(--o2-body);
    display: flex;
    gap: 8px;
}
.o2-upgrade__list li::before { content: "→"; color: var(--o2-yellow-deep); font-weight: 700; }
.o2-upgrade__cta {
    margin-top: auto;
    color: var(--o2-ink);
    font-weight: 700;
    text-decoration: none;
    border-bottom: 2px solid var(--o2-yellow);
    align-self: flex-start;
    padding-bottom: 2px;
}

/* ─── Why-us strip ─── */
.o2-why {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
@media (max-width: 880px) { .o2-why { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .o2-why { grid-template-columns: 1fr; } }
.o2-why__item {
    background: #FFFFFF;
    border: 1px solid var(--o2-line);
    border-radius: 12px;
    padding: 24px;
}
.o2-section--dark .o2-why__item {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.12);
}
.o2-why__icon {
    width: 38px; height: 38px;
    border-radius: 8px;
    background: var(--o2-yellow);
    color: var(--o2-ink);
    display: grid; place-items: center;
    font-weight: 800;
    margin-bottom: 14px;
}
.o2-why__item h4 { margin: 0 0 6px; font-size: 1.05rem; font-weight: 800; }
.o2-why__item p { margin: 0; font-size: 0.92rem; color: var(--o2-body); }
.o2-section--dark .o2-why__item p { color: rgba(255,255,255,0.78); }

/* ─── Reviews (dark, featured) ─── */
.o2-reviews {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
@media (max-width: 880px) { .o2-reviews { grid-template-columns: 1fr; } }

/* Featured layout: 1 lead (col 1, both rows) + 2 smaller (col 2, stacked) */
.o2-reviews--featured {
    grid-template-columns: 1.35fr 1fr;
    grid-auto-rows: 1fr;
    gap: 22px;
}
@media (max-width: 880px) { .o2-reviews--featured { grid-template-columns: 1fr; } }
.o2-review--lead { grid-row: span 2; }
.o2-review--small { /* base .o2-review styling; positioned by grid */ }
@media (max-width: 880px) { .o2-review--lead { grid-row: auto; } }

.o2-review {
    background: var(--o2-ink-deep);
    color: #FFFFFF;
    border-radius: 10px;
    padding: 36px 36px 30px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.o2-review::after {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 44px;
    height: 2px;
    background: var(--o2-yellow);
}
.o2-review::before {
    content: "”";
    position: absolute;
    top: 16px;
    right: 26px;
    font-size: 4rem;
    line-height: 1;
    color: var(--o2-yellow);
    opacity: 0.22;
    font-family: Georgia, serif;
}
.o2-review__stars {
    color: var(--o2-yellow);
    letter-spacing: 0.18em;
    font-size: 0.86rem;
    margin-bottom: 16px;
    line-height: 1;
}
.o2-review__theme {
    display: inline-block;
    background: none;
    color: var(--o2-yellow);
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    padding: 0;
    margin: 0 0 14px;
    border-radius: 0;
}
.o2-review__quote {
    font-size: 1rem;
    color: #FFFFFF;
    margin: 0 0 22px;
    line-height: 1.6;
    font-weight: 400;
}
.o2-review--lead .o2-review__quote {
    font-size: 1.22rem;
    line-height: 1.5;
    font-weight: 500;
}
.o2-review__attrib {
    margin-top: auto;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.7);
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* ─── Stat bar (calm category strip with thin yellow accent) ─── */
.o2-statbar {
    background: var(--o2-bg-soft);
    border-bottom: 1px solid var(--o2-line);
    padding: 36px 0;
    position: relative;
}
.o2-statbar::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--o2-yellow);
}
.o2-statbar__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}
@media (max-width: 720px) { .o2-statbar__grid { grid-template-columns: repeat(2, 1fr); } }
.o2-statbar strong {
    display: block;
    font-size: 1.02rem;
    font-weight: 800;
    color: var(--o2-ink);
    letter-spacing: -0.005em;
    margin-bottom: 4px;
}
.o2-statbar span {
    color: var(--o2-muted);
    font-weight: 500;
    font-size: 0.86rem;
}

/* ─── Big CTA (premium, calm, high-trust) ─── */
.o2-bigcta {
    background: var(--o2-ink);
    color: #FFFFFF;
    padding: 96px 0;
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.o2-bigcta::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 85% 90%, rgba(255,214,0,0.06), transparent 55%);
}
.o2-bigcta__inner {
    position: relative;
    z-index: 1;
    text-align: center;
}
.o2-bigcta h2 {
    font-size: clamp(1.7rem, 3.6vw, 2.3rem);
    line-height: 1.18;
    margin: 0 0 16px;
    letter-spacing: -0.02em;
    font-weight: 800;
}
.o2-bigcta p {
    color: rgba(255,255,255,0.7);
    margin: 0 0 32px;
    font-size: 1rem;
    max-width: 48ch;
    margin-left: auto;
    margin-right: auto;
}
.o2-bigcta__btns {
    display: inline-flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

/* ─── Process strip (editorial — top-rule on dark bg) ─── */
.o2-process {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    counter-reset: step;
}
@media (max-width: 880px) { .o2-process { grid-template-columns: repeat(2, 1fr); gap: 28px; } }
@media (max-width: 480px) { .o2-process { grid-template-columns: 1fr; gap: 24px; } }
.o2-process__step {
    position: relative;
    padding: 24px 0 0;
    background: transparent;
    border: none;
    border-top: 2px solid var(--o2-yellow);
    counter-increment: step;
}
.o2-process__step::before {
    content: "0" counter(step);
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    color: var(--o2-yellow);
    margin-bottom: 12px;
}
.o2-process__step h4 {
    margin: 0 0 8px;
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--o2-ink);
    letter-spacing: -0.01em;
}
.o2-process__step p {
    margin: 0;
    color: var(--o2-body);
    font-size: 0.92rem;
    line-height: 1.55;
}
.o2-section--dark .o2-process__step h4 { color: #FFFFFF; }
.o2-section--dark .o2-process__step p { color: rgba(255,255,255,0.72); }

/* ─── Rewiring page specifics ─── */
.o2-detail {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: flex-start;
}
@media (max-width: 880px) { .o2-detail { grid-template-columns: 1fr; } }
.o2-detail__body p {
    color: var(--o2-body);
    font-size: 1.05rem;
    margin: 0 0 16px;
}
.o2-detail__body h3 {
    margin: 28px 0 12px;
    font-size: 1.3rem;
    letter-spacing: -0.015em;
}
.o2-detail__body ul {
    margin: 0 0 16px;
    padding-left: 20px;
}
.o2-detail__body li {
    margin-bottom: 8px;
    color: var(--o2-body);
}
.o2-detail__aside {
    background: var(--o2-bg-soft);
    border: 1px solid var(--o2-line);
    border-radius: 14px;
    padding: 28px;
    position: sticky;
    top: 80px;
}
.o2-detail__aside h4 {
    margin: 0 0 16px;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--o2-muted);
}
.o2-detail__aside-row {
    padding: 12px 0;
    border-bottom: 1px solid var(--o2-line);
    font-size: 0.95rem;
}
.o2-detail__aside-row:last-of-type { border-bottom: 0; }
.o2-detail__aside-row strong {
    display: block;
    color: var(--o2-muted);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 3px;
}

/* ─── FAQ ─── */
.o2-faq {
    max-width: 760px;
    margin: 0 auto;
}
.o2-faq details {
    border: 1px solid var(--o2-line);
    border-radius: 10px;
    padding: 18px 22px;
    margin-bottom: 12px;
    background: #FFFFFF;
}
.o2-faq summary {
    cursor: pointer;
    font-weight: 700;
    font-size: 1.02rem;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.o2-faq summary::-webkit-details-marker { display: none; }
.o2-faq summary::after { content: "+"; color: var(--o2-yellow-deep); font-weight: 800; font-size: 1.2rem; }
.o2-faq details[open] summary::after { content: "−"; }
.o2-faq details p { margin: 12px 0 0; color: var(--o2-body); }

/* ─── Contact ─── */
.o2-contact-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 36px;
}
@media (max-width: 880px) { .o2-contact-grid { grid-template-columns: 1fr; } }
.o2-form {
    background: #FFFFFF;
    border: 1px solid var(--o2-line);
    border-radius: 14px;
    padding: 32px;
}
.o2-form label { display: block; font-weight: 700; margin: 0 0 6px; font-size: 0.92rem; }
.o2-form input,
.o2-form textarea,
.o2-form select {
    width: 100%;
    border: 1px solid var(--o2-line);
    border-radius: 8px;
    padding: 12px 13px;
    font: inherit;
    background: var(--o2-bg-soft);
    margin-bottom: 16px;
}
.o2-form textarea { min-height: 120px; resize: vertical; }
.o2-form input:focus,
.o2-form textarea:focus,
.o2-form select:focus {
    outline: 2px solid var(--o2-yellow);
    outline-offset: 1px;
    border-color: var(--o2-yellow-deep);
}
.o2-contact__info {
    background: var(--o2-ink);
    color: #FFFFFF;
    border-radius: 14px;
    padding: 32px;
}
.o2-contact__info h3 { margin: 0 0 18px; color: var(--o2-yellow); font-size: 1.05rem; letter-spacing: 0.08em; text-transform: uppercase; }
.o2-contact__row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}
.o2-contact__row:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.o2-contact__row strong { display: block; font-size: 0.72rem; color: var(--o2-yellow); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 3px; }
.o2-contact__row span { color: #FFFFFF; font-weight: 500; }

/* ─── Footer ─── */
.o2-footer {
    background: var(--o2-ink-deep);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 28px;
}
.o2-footer__cols {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 36px;
}
@media (max-width: 720px) { .o2-footer__cols { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .o2-footer__cols { grid-template-columns: 1fr; } }
.o2-footer h5 { color: #FFFFFF; margin: 0 0 12px; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; }
.o2-footer ul { list-style: none; margin: 0; padding: 0; }
.o2-footer li { margin-bottom: 7px; font-size: 0.92rem; }
.o2-footer a { color: rgba(255,255,255,0.85); text-decoration: none; }
.o2-footer a:hover { color: var(--o2-yellow); }
.o2-footer__legal {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 26px;
    font-size: 0.85rem;
    text-align: center;
    color: rgba(255,255,255,0.55);
}

/* Placeholder utility */
.ph {
    background: rgba(255,214,0,0.22);
    color: #5A4900;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 700;
    font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.85em;
    white-space: nowrap;
}
.o2-section--dark .ph,
.o2-hero .ph,
.o2-bigcta .ph,
.o2-contact__info .ph {
    background: rgba(255,214,0,0.18);
    color: var(--o2-yellow);
}

/* ─── Hero figure (replaces the dashed callout) ─── */
.o2-hero__figure {
    position: relative;
    margin: 0;
    border-radius: 10px;
    overflow: hidden;
    aspect-ratio: 4 / 5;
    box-shadow:
        0 32px 80px -28px rgba(0,0,0,0.7),
        0 14px 28px -16px rgba(0,0,0,0.4);
    background: rgba(255,255,255,0.04);
}
.o2-hero__figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%;
    display: block;
    filter: saturate(0.94) brightness(0.92);
}
.o2-hero__figure figcaption {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 72px 26px 24px;
    background: linear-gradient(180deg, transparent 20%, rgba(6,21,40,0.94) 85%);
    color: #FFFFFF;
}
.o2-hero__figure-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--o2-yellow);
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 8px;
    padding: 0;
    background: none;
}
.o2-hero__figure-tag::before {
    content: "";
    display: inline-block;
    width: 22px;
    height: 1px;
    background: var(--o2-yellow);
}
.o2-hero__figure figcaption p {
    margin: 0;
    font-size: 0.98rem;
    font-weight: 600;
    color: #FFFFFF;
    max-width: none;
    line-height: 1.4;
}

/* ─── Hero signals strip (compact credibility cues) ─── */
.o2-hero__signals {
    list-style: none;
    margin: 32px 0 0;
    padding: 24px 0 0;
    border-top: 1px solid rgba(255,255,255,0.12);
    display: flex;
    flex-wrap: wrap;
    gap: 12px 28px;
}
.o2-hero__signals li {
    font-size: 0.92rem;
    color: rgba(255,255,255,0.82);
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
}
.o2-hero__signals li::before {
    content: "●";
    color: var(--o2-yellow);
    font-size: 0.55rem;
    transform: translateY(-2px);
}
.o2-hero__signals li:first-child::before { display: none; }
.o2-hero__signals strong {
    color: var(--o2-yellow);
    font-weight: 800;
}

/* ─── Project cards (anchor-based, replaces inline-styled o2-upgrade variant) ─── */
.o2-projects {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}
@media (max-width: 720px) { .o2-projects { grid-template-columns: 1fr; } }

.o2-projcard {
    display: flex;
    flex-direction: column;
    background: #FFFFFF;
    border-radius: 10px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 1px 2px rgba(10,37,64,0.05), 0 20px 40px -28px rgba(10,37,64,0.16);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.o2-projcard:hover {
    transform: translateY(-3px);
    box-shadow: 0 1px 2px rgba(10,37,64,0.06), 0 32px 60px -36px rgba(10,37,64,0.24);
}
.o2-projcard__media {
    aspect-ratio: 16 / 10;
    background: var(--o2-bg-soft) center/cover no-repeat;
    position: relative;
    filter: saturate(0.94) contrast(1.02);
}
.o2-projcard__media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(6,21,40,0) 70%, rgba(6,21,40,0.12) 100%);
    pointer-events: none;
}
.o2-projcard__body {
    padding: 26px 30px 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.o2-projcard__tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    align-self: flex-start;
    color: var(--o2-yellow-deep);
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0;
    background: none;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}
.o2-projcard__tag::before {
    content: "";
    display: inline-block;
    width: 22px;
    height: 1px;
    background: var(--o2-yellow);
}
.o2-projcard h3 {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.015em;
    color: var(--o2-ink);
}
.o2-projcard p {
    margin: 0;
    color: var(--o2-body);
    font-size: 0.96rem;
}
.o2-projcard__cta {
    margin-top: 6px;
    align-self: flex-start;
    font-weight: 700;
    color: var(--o2-ink);
    border-bottom: 2px solid var(--o2-yellow);
    padding-bottom: 2px;
    font-size: 0.95rem;
}
.o2-projcard:hover .o2-projcard__cta { color: var(--o2-yellow-deep); }

/* ─── Accreditation row (subtle, premium) ─── */
.o2-accred {
    background: var(--o2-bg-soft);
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--o2-line);
    border-bottom: 1px solid var(--o2-line);
}
.o2-accred__label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--o2-muted);
    margin-bottom: 22px;
}
.o2-accred__row {
    display: flex;
    gap: 30px 56px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}
.o2-accred__row img {
    max-height: 52px;
    width: auto;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}
.o2-accred__row img:hover { opacity: 1; }

/* ─── Breadcrumb (project pages) ─── */
.o2-crumb {
    background: var(--o2-bg-soft);
    border-bottom: 1px solid var(--o2-line);
    padding: 16px 0;
}
.o2-crumb__inner {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--o2-muted);
    align-items: center;
}
.o2-crumb a {
    color: var(--o2-muted);
    text-decoration: none;
}
.o2-crumb a:hover { color: var(--o2-yellow-deep); }
.o2-crumb__sep {
    color: rgba(10,37,64,0.3);
}
.o2-crumb__current {
    color: var(--o2-ink);
    font-weight: 700;
}

/* ─── Project hero (split) ─── */
.o2-prj-hero {
    padding: 64px 0 56px;
}
.o2-prj-hero__grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    align-items: center;
}
@media (max-width: 880px) {
    .o2-prj-hero__grid { grid-template-columns: 1fr; gap: 32px; }
}
.o2-prj-hero__tag {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--o2-yellow-deep);
    font-weight: 600;
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    margin-bottom: 20px;
    padding: 0;
    background: none;
}
.o2-prj-hero__tag::before {
    content: "";
    display: inline-block;
    width: 28px;
    height: 1px;
    background: var(--o2-yellow);
}
.o2-prj-hero h1 {
    font-size: clamp(2.1rem, 5vw, 3.2rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    font-weight: 800;
    margin: 0 0 18px;
}
.o2-prj-hero__lede {
    font-size: 1.18rem;
    color: var(--o2-ink);
    font-weight: 600;
    margin: 0 0 16px;
    max-width: 50ch;
}
.o2-prj-hero__intro {
    color: var(--o2-body);
    margin: 0;
    max-width: 50ch;
    font-size: 1.02rem;
}
.o2-prj-hero__figure {
    margin: 0;
    border-radius: 14px;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    box-shadow: 0 32px 64px -28px rgba(10,37,64,0.32);
    background: var(--o2-bg-soft) center/cover no-repeat;
}
.o2-prj-hero__figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ─── At-a-glance band (4 facts) ─── */
.o2-prj-glance {
    background: var(--o2-ink);
    color: #FFFFFF;
    padding: 36px 0;
}
.o2-prj-glance__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
@media (max-width: 720px) {
    .o2-prj-glance__grid { grid-template-columns: repeat(2, 1fr); }
}
.o2-prj-glance__item strong {
    display: block;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--o2-yellow);
    margin-bottom: 6px;
}
.o2-prj-glance__item span {
    font-size: 1.02rem;
    font-weight: 600;
    color: #FFFFFF;
    line-height: 1.35;
    display: block;
}

/* ─── Project body (scope/approach/outcome) ─── */
.o2-prj-body {
    padding: 72px 0 24px;
}
.o2-prj-body__inner {
    max-width: 760px;
    margin: 0 auto;
}
.o2-prj-body h2 {
    font-size: clamp(1.5rem, 3.5vw, 1.9rem);
    letter-spacing: -0.02em;
    margin: 36px 0 14px;
    font-weight: 800;
}
.o2-prj-body h2:first-child { margin-top: 0; }
.o2-prj-body p {
    font-size: 1.05rem;
    color: var(--o2-body);
    margin: 0 0 16px;
}
.o2-prj-body ul {
    margin: 4px 0 16px;
    padding: 0;
    list-style: none;
}
.o2-prj-body ul li {
    padding: 8px 0 8px 22px;
    position: relative;
    color: var(--o2-body);
    font-size: 1rem;
}
.o2-prj-body ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    top: 8px;
    color: var(--o2-yellow-deep);
    font-weight: 700;
}

/* ─── Gallery (3-col grid with one wide feature) ─── */
.o2-prj-gallery {
    padding: 32px 0 88px;
}
.o2-prj-gallery__head {
    max-width: 60ch;
    margin: 0 auto 36px;
    text-align: center;
}
.o2-prj-gallery__head .o2-eyebrow {
    display: inline-block;
    color: var(--o2-yellow-deep);
    font-weight: 800;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.o2-prj-gallery__head h2 {
    font-size: clamp(1.6rem, 3.5vw, 2rem);
    margin: 0;
    letter-spacing: -0.02em;
    font-weight: 800;
}
.o2-prj-gallery__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
@media (max-width: 720px) {
    .o2-prj-gallery__grid { grid-template-columns: 1fr; }
}
.o2-prj-gallery__item {
    aspect-ratio: 4 / 3;
    border-radius: 12px;
    overflow: hidden;
    background: var(--o2-bg-soft) center/cover no-repeat;
}
.o2-prj-gallery__item--wide {
    grid-column: span 3;
    aspect-ratio: 16 / 9;
}
@media (max-width: 720px) {
    .o2-prj-gallery__item--wide { grid-column: auto; aspect-ratio: 4 / 3; }
}

/* ─── Related projects strip ─── */
.o2-prj-related {
    background: var(--o2-bg-soft);
    padding: 72px 0;
}
.o2-prj-related__head {
    text-align: center;
    margin: 0 auto 36px;
    max-width: 60ch;
}
.o2-prj-related__head .o2-eyebrow {
    display: inline-block;
    color: var(--o2-yellow-deep);
    font-weight: 800;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.o2-prj-related__head h2 {
    margin: 0;
    font-size: clamp(1.6rem, 3.5vw, 2rem);
    letter-spacing: -0.02em;
    font-weight: 800;
}
.o2-prj-related__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
@media (max-width: 880px) {
    .o2-prj-related__grid { grid-template-columns: 1fr; }
}

/* ─── Image-led service cards (homepage 'What we handle' grid) ─── */
.o2-svc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}
@media (max-width: 720px) { .o2-svc-grid { grid-template-columns: 1fr; } }

.o2-svc-card {
    display: flex;
    flex-direction: column;
    background: #FFFFFF;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(10,37,64,0.05), 0 20px 40px -28px rgba(10,37,64,0.16);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.o2-svc-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 1px 2px rgba(10,37,64,0.06), 0 32px 60px -36px rgba(10,37,64,0.24);
}
.o2-svc-card__media {
    aspect-ratio: 16 / 10;
    background: var(--o2-bg-soft) center/cover no-repeat;
    filter: saturate(0.94) contrast(1.02);
}
.o2-svc-card__body {
    padding: 26px 30px 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1 1 auto;
}
.o2-svc-card__tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    align-self: flex-start;
    color: var(--o2-yellow-deep);
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0;
    background: none;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}
.o2-svc-card__tag::before {
    content: "";
    display: inline-block;
    width: 22px;
    height: 1px;
    background: var(--o2-yellow);
}
.o2-svc-card h3 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.015em;
    color: var(--o2-ink);
}
.o2-svc-card p {
    margin: 0;
    color: var(--o2-body);
    font-size: 0.96rem;
}
.o2-svc-card__cta {
    margin-top: auto;
    align-self: flex-start;
    font-weight: 700;
    color: var(--o2-ink);
    text-decoration: none;
    border-bottom: 2px solid var(--o2-yellow);
    padding-bottom: 2px;
    font-size: 0.95rem;
}
.o2-svc-card__cta:hover { color: var(--o2-yellow-deep); }

/* ─── Split visual section ('Built to fit around your project programme') ─── */
.o2-split {
    background: var(--o2-bg-soft);
    padding: 88px 0;
}
.o2-split__grid {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 56px;
    align-items: center;
}
@media (max-width: 880px) {
    .o2-split__grid { grid-template-columns: 1fr; gap: 32px; }
}
.o2-split__media {
    margin: 0;
    border-radius: 14px;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    box-shadow: 0 32px 64px -28px rgba(10,37,64,0.32);
    background: var(--o2-bg-soft) center/cover no-repeat;
}
.o2-split__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.o2-split__copy .o2-eyebrow {
    display: inline-block;
    color: var(--o2-yellow-deep);
    font-weight: 800;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.o2-split__copy h2 {
    font-size: clamp(1.7rem, 4vw, 2.4rem);
    line-height: 1.1;
    letter-spacing: -0.025em;
    font-weight: 800;
    margin: 0 0 18px;
}
.o2-split__copy p {
    color: var(--o2-body);
    font-size: 1.05rem;
    margin: 0 0 24px;
    max-width: 52ch;
}

/* ─── Standalone-jobs 2-col polish (text only, no extra images) ─── */
.o2-standalone {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    align-items: center;
}
@media (max-width: 720px) {
    .o2-standalone { grid-template-columns: 1fr; gap: 24px; }
}
.o2-standalone__list {
    background: #FFFFFF;
    border-radius: 10px;
    padding: 24px 28px;
    margin: 0;
    list-style: none;
    box-shadow: 0 1px 2px rgba(10,37,64,0.04), 0 14px 28px -22px rgba(10,37,64,0.1);
}
.o2-standalone__list li {
    padding: 10px 0;
    border-bottom: 1px dashed var(--o2-line);
    color: var(--o2-body);
    font-size: 0.96rem;
    display: flex;
    justify-content: space-between;
    gap: 16px;
}
.o2-standalone__list li:last-child { border-bottom: 0; }
.o2-standalone__list li strong {
    color: var(--o2-ink);
    font-weight: 700;
}
.o2-standalone__list li span {
    color: var(--o2-muted);
    font-size: 0.85rem;
    white-space: nowrap;
}

/* ─── Hero review proof (sits below signals strip) ─── */
.o2-hero__quote {
    margin: 26px 0 0;
    padding: 16px 20px;
    border-left: 2px solid var(--o2-yellow);
    background: rgba(255,255,255,0.04);
    border-radius: 0 4px 4px 0;
    max-width: 44ch;
}
.o2-hero__quote-stars {
    display: block;
    color: var(--o2-yellow);
    letter-spacing: 0.22em;
    font-size: 0.78rem;
    line-height: 1;
    margin-bottom: 8px;
}
.o2-hero__quote p {
    margin: 0 0 6px;
    color: #FFFFFF;
    font-size: 0.98rem;
    line-height: 1.5;
    font-style: italic;
    max-width: none;
}
.o2-hero__quote cite {
    display: block;
    color: rgba(255,255,255,0.7);
    font-size: 0.82rem;
    font-style: normal;
    letter-spacing: 0.02em;
}

/* ─── Service card review proof (small pull-quote inside each card) ─── */
.o2-svc-card__proof {
    margin: 4px 0 0;
    padding: 14px 16px 12px;
    background: var(--o2-bg-soft);
    border-left: 2px solid var(--o2-yellow);
    border-radius: 0 4px 4px 0;
}
.o2-svc-card__proof-stars {
    color: var(--o2-yellow-deep);
    letter-spacing: 0.18em;
    font-size: 0.72rem;
    line-height: 1;
    display: block;
    margin-bottom: 6px;
}
.o2-svc-card__proof p {
    margin: 0 0 4px;
    color: var(--o2-ink);
    font-size: 0.86rem;
    line-height: 1.5;
    font-style: italic;
}
.o2-svc-card__proof cite {
    color: var(--o2-muted);
    font-size: 0.78rem;
    font-style: normal;
}

/* ─── Big CTA trust line (sits above the H2) ─── */
.o2-bigcta__trust {
    display: block;
    color: rgba(255,255,255,0.72);
    font-size: 0.95rem;
    line-height: 1.55;
    margin: 0 auto 28px;
    max-width: 58ch;
    padding-bottom: 22px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-weight: 500;
}

/* ─── "Read more customer reviews" link below homepage reviews ─── */
.o2-reviews-more {
    margin-top: 40px;
    text-align: center;
}

/* ─── Reviews page hero (centered typography, no figure) ─── */
.o2-reviews-hero {
    background: var(--o2-bg-soft);
    border-bottom: 1px solid var(--o2-line);
    padding: 72px 0 64px;
    text-align: center;
}
.o2-reviews-hero__inner {
    max-width: 56ch;
    margin: 0 auto;
}
.o2-reviews-hero__tag {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--o2-yellow-deep);
    font-weight: 700;
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    margin-bottom: 18px;
}
.o2-reviews-hero__tag::before {
    content: "";
    display: inline-block;
    width: 28px;
    height: 1px;
    background: var(--o2-yellow);
}
.o2-reviews-hero h1 {
    font-size: clamp(2rem, 4.4vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.025em;
    font-weight: 800;
    margin: 0 0 18px;
    color: var(--o2-ink);
}
.o2-reviews-hero__stars {
    color: var(--o2-yellow);
    letter-spacing: 0.32em;
    font-size: 1.4rem;
    line-height: 1;
    margin: 0 0 18px;
}
.o2-reviews-hero p {
    color: var(--o2-body);
    font-size: 1.04rem;
    margin: 0;
    line-height: 1.6;
}

/* ─── Reviews page: full-detail stacked review cards ─── */
.o2-reviews-stack {
    display: grid;
    grid-template-columns: 1fr;
    gap: 22px;
    max-width: 860px;
    margin: 0 auto;
}
.o2-reviews-stack .o2-review {
    padding: 40px 40px 32px;
}
.o2-reviews-stack .o2-review__quote {
    font-size: 1.1rem;
    line-height: 1.6;
}
@media (max-width: 720px) {
    .o2-reviews-stack .o2-review { padding: 30px 26px 26px; }
    .o2-reviews-stack .o2-review__quote { font-size: 1rem; }
}