/* Dobson Development. Modernist: white, black, silver, one typeface.
   The cursor carries the brand colour. Red is reserved for Microsoft. */

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

html { -webkit-text-size-adjust: 100%; }

body.dd-page {
    margin: 0;
    background: var(--dd-white);
    color: var(--dd-black);
    font-family: var(--dd-sans);
    font-size: 1.125rem;
    line-height: 1.55;
    letter-spacing: -0.011em;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.dd-page h1, .dd-page h2, .dd-page h3, .dd-page h4 {
    font-weight: 600;
    line-height: 1.02;
    letter-spacing: -0.04em;
    margin: 0 0 0.5em;
    text-wrap: balance;
}
.dd-page h1 { font-size: clamp(2.75rem, 7vw, 6rem); letter-spacing: -0.05em; line-height: 0.98; }
.dd-page h2 { font-size: clamp(2rem, 4.4vw, 3.5rem); }
.dd-page h3 { font-size: 1.5rem; line-height: 1.15; letter-spacing: -0.03em; }
.dd-page p { margin: 0 0 1.1em; }

.dd-page main a {
    color: inherit;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.22em;
}
.dd-page main a:hover { text-decoration-thickness: 2px; }
.dd-page main a:focus-visible,
.dd-page main button:focus-visible,
.dd-page main input:focus-visible,
.dd-page main textarea:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; border-radius: 2px; }

.band { padding-block: clamp(4rem, 9vw, 8rem); }
.band-silver { background: var(--dd-silver); }
.band-black { background: var(--dd-black); color: var(--dd-white); }
.measure { max-width: 40rem; }
.lede { font-size: clamp(1.3rem, 2.1vw, 1.65rem); line-height: 1.35; letter-spacing: -0.025em; }
.quiet { color: var(--dd-grey); }
.band-black .quiet { color: #A1A1A6; }

.button {
    display: inline-block;
    font: inherit;
    font-weight: 500;
    font-size: 1.05rem;
    line-height: 1;
    padding: 0.95rem 1.5rem;
    border: 1px solid var(--dd-black);
    border-radius: 999px;
    background: var(--dd-black);
    color: var(--dd-white);
    cursor: pointer;
}
.dd-page main a.button { color: var(--dd-white); text-decoration: none; }
.dd-page main a.button:hover, .button:hover { background: #2B2B2E; }
.dd-page main a.button-ghost { background: transparent; color: var(--dd-black); }
.dd-page main a.button-ghost:hover { background: var(--dd-black); color: var(--dd-white); }
.band-black .button, .dd-page main .band-black a.button { background: var(--dd-white); color: var(--dd-black); border-color: var(--dd-white); }
.dd-page main .band-black a.button:hover { background: var(--dd-line); }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }

/* Hero */
.hero { padding-block: clamp(4.5rem, 12vw, 10rem) clamp(4rem, 9vw, 7rem); }
.dd-page .hero-statement {
    font-size: clamp(2.5rem, 5.9vw, 5.3rem);
    line-height: 1;
    letter-spacing: -0.055em;
    font-weight: 600;
    margin: 0;
    text-wrap: initial;
}
.hero-statement span { display: block; text-wrap: balance; }
.hero-sub { margin-top: clamp(2.5rem, 6vw, 4.5rem); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem; }
.hero-sub > div { grid-column: 2; }

@media (prefers-reduced-motion: no-preference) {
    .hero-statement span { animation: rise 800ms cubic-bezier(.2, .7, .1, 1) both; }
    .hero-statement span:nth-child(2) { animation-delay: 350ms; }
    .hero-statement span:nth-child(3) { animation-delay: 1050ms; }
}
@keyframes rise {
    from { opacity: 0; transform: translateY(0.25em); }
    to { opacity: 1; transform: none; }
}

/* Split sections: heading left, content right */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.split > h2 { margin: 0; }

/* Spec sheet */
.spec { list-style: none; margin: clamp(2.5rem, 5vw, 4rem) 0 0; padding: 0; }
.spec li { display: grid; grid-template-columns: 12rem minmax(0, 1.15fr) minmax(0, 1.25fr); gap: 0.5rem 2.5rem; align-items: baseline; padding: 1.75rem 0; border-top: 1px solid var(--dd-line); }
.spec li:last-child { border-bottom: 1px solid var(--dd-line); }
.spec-where { color: var(--dd-grey); font-size: 1rem; }
.spec-what { font-size: clamp(1.75rem, 3.4vw, 2.75rem); font-weight: 600; letter-spacing: -0.045em; line-height: 1; }
.spec-why { margin: 0; }

/* The one number */
.one-reason { font-size: clamp(1.9rem, 4.6vw, 4rem); font-weight: 600; letter-spacing: -0.045em; line-height: 1.05; margin: 0; max-width: 20ch; text-wrap: balance; }
.one-reason .days { color: var(--dd-red); font-variant-numeric: tabular-nums; }

/* Feature story */
.feature-date { margin-bottom: 1.5rem; }
.dd-page .feature h2 { font-size: clamp(2.75rem, 8vw, 7.5rem); letter-spacing: -0.055em; line-height: 0.95; margin-bottom: 0.4em; }
.dd-page main .feature h2 a { text-decoration: none; }
.dd-page main .feature h2 a:hover { text-decoration: underline; text-decoration-thickness: 0.05em; text-underline-offset: 0.08em; }
.pull { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 500; letter-spacing: -0.035em; line-height: 1.15; margin: 0; }

/* Outage kit */
.kit { list-style: none; margin: 2.5rem 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 3rem; }
.kit li { padding: 1.25rem 0; border-top: 1px solid var(--dd-line); color: var(--dd-grey); }
.kit strong { display: block; color: var(--dd-black); font-weight: 600; font-size: 1.2rem; letter-spacing: -0.025em; margin-bottom: 0.2rem; }

/* What it replaces */
.swap { width: 100%; border-collapse: collapse; margin-top: 2.5rem; }
.swap th, .swap td { text-align: left; vertical-align: baseline; padding: 1.4rem 2rem 1.4rem 0; border-top: 1px solid var(--dd-line); }
.swap thead th { font-weight: 400; font-size: 1rem; color: var(--dd-grey); border-top: 0; padding-bottom: 0.75rem; }
.swap tbody tr:last-child td { border-bottom: 1px solid var(--dd-line); }
.swap .swap-out { color: var(--dd-red); text-decoration: line-through; text-decoration-thickness: 1px; font-size: 1.2rem; letter-spacing: -0.025em; width: 24%; }
.swap .swap-in { font-weight: 600; font-size: 1.35rem; letter-spacing: -0.035em; line-height: 1.15; width: 32%; }

/* Story lists */
.story-list { list-style: none; margin: 2.5rem 0 0; padding: 0; }
.story-list li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.25rem 2rem; align-items: baseline; padding: 1.2rem 0; border-top: 1px solid var(--dd-line); }
.story-list li:last-child { border-bottom: 1px solid var(--dd-line); }
.dd-page main .story-list a { font-weight: 600; font-size: clamp(1.25rem, 2vw, 1.6rem); letter-spacing: -0.035em; line-height: 1.15; text-decoration: none; }
.dd-page main .story-list a:hover { text-decoration: underline; text-decoration-thickness: 1px; }
.story-list time { font-size: 0.95rem; color: var(--dd-grey); white-space: nowrap; }
.story-list p { grid-column: 1 / -1; margin: 0; font-size: 1rem; color: var(--dd-grey); max-width: 46rem; }

/* Ledger */
.ledger-count { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 600; letter-spacing: -0.04em; line-height: 1.1; margin: 2.5rem 0 0; }
.ledger-count .days { color: var(--dd-red); }
.ledger { list-style: none; margin: clamp(3rem, 6vw, 5rem) 0 0; padding: 0; }
.ledger > li { display: grid; grid-template-columns: 16rem minmax(0, 1fr); gap: 0.5rem 2.5rem; padding: 2.25rem 0; border-top: 1px solid var(--dd-line); }
.ledger > li:last-child { border-bottom: 1px solid var(--dd-line); }
.ledger-when { color: var(--dd-grey); font-size: 1rem; }
.ledger-how-long { display: block; margin-top: 0.4rem; color: var(--dd-red); font-weight: 500; font-size: 1rem; line-height: 1.3; }
.dd-page .ledger h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); margin-bottom: 0.5em; }
.ledger p { margin-bottom: 0.5em; max-width: 42rem; }
.ledger .ledger-source { font-size: 0.95rem; color: var(--dd-grey); }

/* Forms */
.contact { display: grid; gap: 1.1rem; max-width: 36rem; margin-top: 2rem; }
.contact label { font-weight: 500; font-size: 1rem; display: grid; gap: 0.4rem; }
.contact input, .contact textarea { font: inherit; font-weight: 400; padding: 0.85rem 1rem; border: 1px solid var(--dd-line); border-radius: 14px; background: var(--dd-white); color: var(--dd-black); width: 100%; }
.contact input:hover, .contact textarea:hover { border-color: var(--dd-black); }
.contact textarea { min-height: 9rem; resize: vertical; }
.contact .button { justify-self: start; margin-top: 0.5rem; }

/* Page heads */
.page-head { padding-block: clamp(4rem, 9vw, 7.5rem) 0; }
.page-head h1 { margin-bottom: 0.35em; }

/* Offer list on Work with us */
.offer { list-style: none; margin: 0; padding: 0; }
.offer li { padding: 1.6rem 0; border-top: 1px solid var(--dd-line); }
.offer li:last-child { border-bottom: 1px solid var(--dd-line); }
.offer h3 { margin-bottom: 0.35em; }
.offer p { margin: 0; color: var(--dd-grey); }

/* Posts */
.post { padding-block: clamp(3rem, 7vw, 6rem) clamp(4rem, 8vw, 7rem); }
.post-head { max-width: 62rem; }
.post-back { font-size: 0.95rem; color: var(--dd-grey); margin-bottom: 2rem; }
.dd-page .post-head h1 { font-size: clamp(2.75rem, 8vw, 7rem); letter-spacing: -0.055em; line-height: 0.95; }
.dd-page .post-head h1.post-title-long { font-size: clamp(2.25rem, 5vw, 4rem); letter-spacing: -0.045em; line-height: 1; }
.post-meta { font-size: 0.95rem; color: var(--dd-grey); margin-top: 2rem; }
.prose { max-width: 40rem; font-size: clamp(1.15rem, 1.4vw, 1.25rem); line-height: 1.6; margin-top: clamp(2.5rem, 5vw, 4rem); margin-left: auto; margin-right: auto; }
.prose > h1:first-child { display: none; }
.dd-page .prose h1 { font-size: clamp(1.9rem, 3.4vw, 2.5rem); margin-top: 2em; }
.dd-page .prose h2 { font-size: clamp(1.7rem, 3vw, 2.25rem); margin-top: 2em; }
.prose h3 { margin-top: 1.8em; }
.prose > p:first-of-type { font-size: 1.25em; line-height: 1.4; letter-spacing: -0.025em; }
.prose ul, .prose ol { padding-left: 1.3rem; margin: 0 0 1.1em; }
.prose li { margin-bottom: 0.45em; }
.prose img { max-width: 100%; height: auto; border-radius: 14px; }
.prose blockquote { margin: 1.75em 0; padding-left: 1.25rem; border-left: 2px solid var(--dd-black); font-size: 1.1em; letter-spacing: -0.02em; }
.prose hr { border: 0; border-top: 1px solid var(--dd-line); margin: 3em 0; }
.prose code { font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace; font-size: 0.85em; background: var(--dd-silver); padding: 0.12em 0.4em; border-radius: 6px; letter-spacing: 0; }
.prose pre { background: var(--dd-black); color: var(--dd-white); padding: 1.1rem 1.3rem; border-radius: 14px; overflow-x: auto; font-size: 0.9rem; line-height: 1.5; }
.prose pre code { background: none; padding: 0; color: inherit; font-size: inherit; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.75em 0; font-size: 0.95rem; display: block; overflow-x: auto; }
.prose th, .prose td { text-align: left; padding: 0.65rem 1rem 0.65rem 0; border-top: 1px solid var(--dd-line); vertical-align: top; }
.prose th { font-weight: 600; border-top: 0; }
.prose h2#sources + ul { font-size: 0.95rem; color: var(--dd-grey); }
.post-foot { margin: clamp(4rem, 8vw, 6rem) auto 0; display: grid; gap: 4rem; max-width: 40rem; }
.dd-page .post-foot h2 { font-size: 1.75rem; }

@media (max-width: 52rem) {
    .hero-sub { grid-template-columns: 1fr; }
    .hero-sub > div { grid-column: 1; }
    .split { grid-template-columns: 1fr; }
    .spec li { grid-template-columns: 1fr; padding: 1.4rem 0; }
    .kit { grid-template-columns: 1fr; }
    .ledger > li { grid-template-columns: 1fr; }
    .swap, .swap tbody, .swap tr, .swap td { display: block; width: 100% !important; }
    .swap thead { display: none; }
    .swap tr { padding: 1.1rem 0; border-top: 1px solid var(--dd-line); }
    .swap td { border: 0 !important; padding: 0.15rem 0; }
    .story-list li { grid-template-columns: 1fr; }
}

@media print {
    .dd-header, .dd-footer, .post-comments, .post-more { display: none; }
}