/* BUILDCORE.PL — architectural / systems identity */

:root {
    --bg: #0a0c0f;
    --bg-2: #11151b;
    --bg-3: #181e26;
    --cream: #efe8dc;
    --cream-2: #f7f2e9;
    --ink: #121418;
    --text: #f3eee6;
    --muted: #9a9286;
    --muted-2: #6f6a62;
    --copper: #c9854a;
    --copper-2: #e8b56a;
    --line: rgba(243, 238, 230, 0.12);
    --line-dark: rgba(18, 20, 24, 0.12);
    --font: "Outfit", system-ui, sans-serif;
    --display: "Syne", "Outfit", sans-serif;
    --header: 4.5rem;
    --container: 72rem;
    --radius: 2px;
}

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

html {
    scroll-behavior: smooth;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font);
    font-weight: 400;
    font-size: 1.05rem;
    line-height: 1.55;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
}

h1,
h2,
h3,
h4 {
    font-family: var(--display);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.08;
    margin: 0 0 0.75rem;
}

h1 {
    font-size: clamp(2.4rem, 6vw, 4.6rem);
}

h2 {
    font-size: clamp(1.8rem, 3.6vw, 2.8rem);
}

h3 {
    font-size: 1.25rem;
}

p {
    margin: 0 0 1rem;
}

p:last-child {
    margin-bottom: 0;
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

button,
input,
textarea,
select {
    font: inherit;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -4rem;
    background: var(--copper);
    color: var(--ink);
    padding: 0.6rem 1rem;
    z-index: 100;
}

.skip-link:focus {
    top: 1rem;
}

.container {
    width: min(calc(100% - 2.5rem), var(--container));
    margin-inline: auto;
}

.kicker {
    margin: 0 0 0.85rem;
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--copper-2);
}

.lede {
    font-size: clamp(1.05rem, 1.6vw, 1.22rem);
    color: var(--muted);
    max-width: 40rem;
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    height: var(--header);
    border-bottom: 1px solid transparent;
    background: rgba(10, 12, 15, 0.72);
    backdrop-filter: blur(16px);
}

.site-header.is-scrolled {
    border-bottom-color: var(--line);
}

.header-inner {
    width: min(calc(100% - 2.5rem), var(--container));
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--text);
    min-width: 0;
}

.brand-mark {
    color: var(--copper-2);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-text strong {
    font-family: var(--display);
    font-size: 1.02rem;
    letter-spacing: 0.04em;
}

.brand-text span {
    font-size: 0.68rem;
    letter-spacing: 0.16em;
    color: var(--muted);
}

.nav {
    display: none;
    margin-left: auto;
    gap: 1.6rem;
}

.nav a {
    font-size: 0.92rem;
    color: var(--muted);
}

.nav a:hover,
.nav a.is-active {
    color: var(--text);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-left: auto;
}

.nav-toggle {
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid var(--line);
    background: transparent;
    color: var(--text);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    flex-shrink: 0;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: currentColor;
}

.header-actions .btn {
    display: none;
}

.mobile-nav {
    display: none;
    gap: 1rem;
    padding: 1rem 1.25rem 1.5rem;
    background: var(--bg-2);
    border-bottom: 1px solid var(--line);
}

.site-header.is-open .mobile-nav {
    display: grid;
}

.mobile-nav[hidden] {
    display: none !important;
}

.mobile-nav a {
    font-size: 1.15rem;
}

.site-header.is-open {
    background: var(--bg);
}

/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0.7rem 1.25rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
}

.btn-sm {
    min-height: 2.5rem;
    padding: 0.45rem 0.95rem;
    font-size: 0.88rem;
}

.btn-copper {
    background: var(--copper);
    color: #1a120a;
}

.btn-copper:hover {
    background: var(--copper-2);
}

.btn-ghost {
    border-color: var(--line);
    color: var(--text);
}

.btn-ghost:hover {
    border-color: var(--copper-2);
    color: var(--copper-2);
}

.btn-dark {
    background: var(--ink);
    color: var(--cream-2);
}

.btn-dark:hover {
    background: #000;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-weight: 600;
    color: var(--copper-2);
}

.text-link::after {
    content: "→";
}

.text-link:hover {
    color: var(--text);
}

/* Hero */

.hero {
    padding: 2.5rem 0 4rem;
    border-bottom: 1px solid var(--line);
    background:
        radial-gradient(ellipse at 80% 0%, rgba(201, 133, 74, 0.12), transparent 42%),
        linear-gradient(180deg, #0d1014, var(--bg));
}

.hero-grid,
.page-hero .container {
    width: min(calc(100% - 2.5rem), var(--container));
    margin: 0 auto;
}

.hero-grid {
    display: grid;
    gap: 2.5rem;
}

.hero-copy h1 {
    max-width: 14ch;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.6rem 0 2rem;
}

.hero-stats {
    display: grid;
    gap: 1rem;
    margin: 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
}

.hero-stats dt {
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--copper-2);
}

.hero-stats dd {
    margin: 0.2rem 0 0;
    color: var(--muted);
}

.blueprint {
    border: 1px solid var(--line);
    background: #0c1015;
    padding: 0.8rem;
}

.blueprint-svg {
    width: 100%;
    height: auto;
    color: #d9d0c2;
}

.blueprint-meta {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.7rem 0.4rem 0.2rem;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted-2);
}

.page-hero {
    padding: 3.5rem 0 2.5rem;
    border-bottom: 1px solid var(--line);
}

.page-hero h1 {
    max-width: 18ch;
}

/* Sections */

.section {
    padding: clamp(4rem, 8vw, 6.5rem) 0;
}

.section-dark {
    background: var(--bg-2);
    border-block: 1px solid var(--line);
}

.section-cream {
    background: var(--cream);
    color: var(--ink);
}

.section-cream .kicker {
    color: #8a5a28;
}

.section-head {
    max-width: 40rem;
    margin-bottom: 2.5rem;
}

.section-head p:not(.kicker) {
    color: var(--muted);
}

.section-cream .section-head p:not(.kicker) {
    color: #5d574e;
}

.section-head-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    max-width: none;
    align-items: end;
}

.section-cta {
    margin-top: 2rem;
}

.strip {
    padding: 1.6rem 0;
    background: var(--bg-3);
    border-bottom: 1px solid var(--line);
}

.strip-row p {
    margin: 0;
    max-width: 52rem;
    color: var(--muted);
    font-size: 1.12rem;
}

/* Cards */

.card-grid {
    display: grid;
    gap: 1rem;
}

.card {
    padding: 1.4rem 1.3rem 1.5rem;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.02);
}

.card-no {
    display: block;
    margin-bottom: 1.1rem;
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    color: var(--copper);
}

.card h3 {
    margin-bottom: 0.5rem;
}

.card p {
    color: var(--muted);
}

.split-band {
    padding: 0 0 4rem;
}

.split-grid {
    display: grid;
    gap: 1rem;
}

.split-card {
    display: block;
    min-height: 18rem;
    padding: 1.8rem 1.6rem;
    border: 1px solid var(--line);
    background:
        linear-gradient(180deg, rgba(10, 12, 15, 0.2), rgba(10, 12, 15, 0.55)),
        radial-gradient(ellipse at 20% 100%, rgba(201, 133, 74, 0.28), transparent 55%),
        #16120e;
}

.split-card-alt {
    background:
        linear-gradient(180deg, rgba(10, 12, 15, 0.15), rgba(10, 12, 15, 0.6)),
        radial-gradient(ellipse at 80% 0%, rgba(90, 120, 130, 0.28), transparent 50%),
        #12161c;
}

.split-card h2 {
    margin-bottom: 0.8rem;
}

.split-card p {
    color: var(--muted);
    max-width: 28rem;
}

.split-card span {
    display: inline-block;
    margin-top: 1.4rem;
    font-weight: 600;
    color: var(--copper-2);
}

.split-card:hover {
    border-color: rgba(232, 181, 106, 0.45);
}

.process {
    display: grid;
    gap: 0;
    counter-reset: step;
    border-top: 1px solid var(--line);
}

.process li {
    display: grid;
    gap: 0.4rem;
    padding: 1.3rem 0;
    border-bottom: 1px solid var(--line);
    counter-increment: step;
}

.process li::before {
    content: counter(step, decimal-leading-zero);
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    color: var(--copper);
}

.process strong {
    font-family: var(--display);
    font-size: 1.2rem;
}

.process span {
    color: var(--muted);
}

/* Projects */

.project-grid {
    display: grid;
    gap: 1rem;
}

.project-card {
    display: grid;
    border: 1px solid var(--line);
    background: var(--bg-2);
}

.project-media {
    min-height: 14rem;
    background-size: cover;
}

.media-warm {
    background:
        radial-gradient(circle at 30% 80%, rgba(201, 133, 74, 0.55), transparent 42%),
        linear-gradient(145deg, #241910, #6a4a32 55%, #1a1612);
}

.media-cool {
    background:
        radial-gradient(circle at 70% 30%, rgba(140, 170, 180, 0.35), transparent 45%),
        linear-gradient(160deg, #1a2228, #3a4850);
}

.media-stone {
    background:
        linear-gradient(180deg, #2a2723, #5a534a 40%, #1c1a18);
}

.media-ember {
    background:
        radial-gradient(circle at 50% 40%, rgba(232, 181, 106, 0.4), transparent 50%),
        linear-gradient(160deg, #1a1210, #4a2c20);
}

.project-body {
    padding: 1.1rem 1.15rem 1.25rem;
}

.project-body p:first-child {
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--copper-2);
}

.project-card:hover {
    border-color: rgba(232, 181, 106, 0.4);
}

.quote-grid {
    display: grid;
    gap: 1.5rem;
}

blockquote {
    margin: 0;
    padding: 0;
}

blockquote p {
    font-family: var(--display);
    font-size: clamp(1.25rem, 2.4vw, 1.7rem);
    line-height: 1.3;
    letter-spacing: -0.03em;
}

blockquote footer {
    margin-top: 1rem;
    color: #6a645c;
    font-size: 0.9rem;
}

.cta-band {
    padding: 3rem 0;
    background: var(--copper);
    color: #1a120a;
}

.cta-band .kicker {
    color: #5a3518;
}

.cta-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.cta-inner h2 {
    max-width: 18ch;
}

.two-col {
    display: grid;
    gap: 1.5rem;
}

.stack {
    display: grid;
    gap: 1rem;
}

.check-list {
    display: grid;
    gap: 0.65rem;
}

.check-list li {
    padding-left: 1.3rem;
    position: relative;
}

.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 0.55rem;
    height: 0.55rem;
    border: 1px solid var(--copper);
}

.section-cream .check-list li::before,
.section:not(.section-dark) .check-list li::before {
    border-color: var(--copper);
}

.service-list {
    display: grid;
}

.service-row {
    display: grid;
    gap: 0.6rem;
    padding: 1.6rem 0;
    border-bottom: 1px solid var(--line);
}

.service-row h2 {
    font-size: clamp(1.4rem, 2.4vw, 1.9rem);
}

.service-row p {
    color: var(--muted);
    max-width: 42rem;
}

.project-detail-list {
    display: grid;
    gap: 2.5rem;
}

.project-detail {
    display: grid;
    gap: 1.2rem;
    border-bottom: 1px solid var(--line);
    padding-bottom: 2.5rem;
}

.project-detail .project-media {
    min-height: 16rem;
}

.project-scope {
    color: var(--copper-2);
    font-weight: 600;
}

.values {
    display: grid;
    gap: 1.2rem;
}

.values article {
    padding-top: 1rem;
    border-top: 1px solid var(--line);
}

.values p {
    color: var(--muted);
}

.logo-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.logo-row li {
    padding: 0.65rem 0.95rem;
    border: 1px solid var(--line);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.8rem;
    color: var(--muted);
}

.contact-layout {
    display: grid;
    gap: 2rem;
}

.contact-dl {
    display: grid;
    gap: 1.1rem;
    margin: 0;
}

.contact-dl dt {
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--copper-2);
}

.contact-dl dd {
    margin: 0.2rem 0 0;
}

.form-panel {
    border: 1px solid var(--line);
    padding: 1.4rem;
    background: var(--bg-2);
}

.form-panel form,
.form-panel label {
    display: grid;
    gap: 0.4rem;
}

.form-panel form {
    gap: 1rem;
}

.form-two {
    display: grid;
    gap: 1rem;
}

.form-panel input,
.form-panel textarea {
    width: 100%;
    padding: 0.75rem 0.8rem;
    border: 1px solid var(--line);
    background: #0c1014;
    color: var(--text);
    border-radius: var(--radius);
}

.form-panel input:focus,
.form-panel textarea:focus {
    outline: 2px solid var(--copper);
    outline-offset: 1px;
}

fieldset {
    border: 0;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.5rem;
}

legend {
    padding: 0;
    margin-bottom: 0.4rem;
}

.choice {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.fineprint {
    font-size: 0.85rem;
    color: var(--muted);
}

.fineprint a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.hp {
    position: absolute;
    left: -9999px;
    height: 0;
    overflow: hidden;
}

.form-errors,
.form-success {
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid var(--line);
}

.form-errors {
    background: #2a1512;
}

.form-success {
    background: #142018;
}

code {
    font-size: 0.88em;
}

.prose {
    max-width: 42rem;
}

.prose h2 {
    margin-top: 2rem;
    font-size: 1.4rem;
}

.prose p {
    color: var(--muted);
}

/* Footer */

.site-footer {
    padding: 3.5rem 0 1.5rem;
    border-top: 1px solid var(--line);
    background: #07080a;
}

.footer-grid {
    display: grid;
    gap: 2rem;
}

.footer-kicker {
    margin: 0 0 0.4rem;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--copper);
}

.footer-title {
    font-family: var(--display);
    font-size: 1.8rem;
    letter-spacing: -0.04em;
    margin: 0 0 0.8rem;
}

.footer-title span {
    color: var(--copper);
}

.footer-lead {
    color: var(--muted);
    max-width: 22rem;
}

.footer-heading {
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted-2);
    margin: 0 0 0.8rem;
}

.footer-links {
    display: grid;
    gap: 0.45rem;
    color: var(--muted);
}

.footer-links a:hover {
    color: var(--text);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.6rem;
    margin-top: 2.5rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--line);
    color: var(--muted-2);
    font-size: 0.85rem;
}

/* Focus */

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

@media (min-width: 720px) {
    .nav {
        display: flex;
    }

    .header-actions {
        margin-left: 0;
    }

    .header-actions .btn {
        display: inline-flex;
    }

    .nav-toggle,
    .mobile-nav,
    .site-header.is-open .mobile-nav {
        display: none;
    }

    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process {
        grid-template-columns: repeat(2, 1fr);
        gap: 0 2rem;
    }

    .project-grid {
        grid-template-columns: 1.2fr 1fr;
    }

    .project-wide {
        grid-row: span 2;
    }

    .project-wide .project-media {
        min-height: 18rem;
    }

    .quote-grid,
    .split-grid,
    .form-two,
    .two-col,
    .contact-layout,
    .values {
        grid-template-columns: 1fr 1fr;
    }

    .footer-grid {
        grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
    }
}

@media (min-width: 980px) {
    .hero-grid {
        grid-template-columns: 1.05fr 0.95fr;
        align-items: center;
        min-height: min(42rem, calc(100vh - var(--header) - 2rem));
    }

    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .process {
        grid-template-columns: repeat(3, 1fr);
    }

    .values {
        grid-template-columns: repeat(4, 1fr);
    }

    .project-detail {
        grid-template-columns: 1.1fr 1fr;
        align-items: center;
    }

    .service-row {
        grid-template-columns: 0.9fr 1.1fr;
        align-items: start;
    }
}

@media (max-width: 420px) {
    .brand-text span {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}