/* =========================================================
   LINEARISE
   Reliable software delivery
   ========================================================= */


/* =========================================================
   1. FONTS
   ========================================================= */

@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url("fonts/inter-latin.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
        U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122,
        U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
    font-family: "Space Grotesk";
    font-style: normal;
    font-weight: 300 700;
    font-display: swap;
    src: url("fonts/space-grotesk-latin.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
        U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122,
        U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}


/* =========================================================
   1. VARIABLES & THEME OVERRIDES
   ========================================================= */

:root {
    --color-bg: #f7f7f4;
    --color-surface: #ffffff;
    --color-ink: #171917;
    --color-muted: #686c67;
    --color-muted-light: #989b95;
    --color-muted-dark: #9c9f99;
    --color-text-secondary: #4f534e;
    --color-border: #dedfda;
    --color-border-dark: #3a3d39;
    --color-border-light: #d7d8d2;
    --color-border-icon: #cfd1cb;
    --color-accent: #c8ff38;
    --color-accent-dark: #8cae1e;

    --color-service-number: #a1a49e;
    --color-pipeline-shadow: #e7e8e2;
    --color-pipeline-pending: #9b9e99;

    --color-cta-number: #596f18;
    --color-cta-emphasis: #526b0b;
    --color-cta-text: #4d5a29;

    --container-width: 1180px;

    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 40px;
    --space-xl: 64px;
    --space-2xl: 96px;
    --space-3xl: 130px;

    --radius-sm: 2px;

    --transition-fast: 150ms ease;
    --transition: 220ms ease;
    --theme-transition: 600ms ease;
}

/* Night Shift Theme Overrides (Active 10 PM - 8 AM) */
body.night-shift {
    --color-bg: #0a0d12;
    --color-surface: #121721;
    --color-ink: #e6edf3;
    --color-muted: #8b949e;
    --color-muted-light: #6e7681;
    --color-muted-dark: #484f58;
    --color-text-secondary: #c9d1d9;
    --color-border: #1f293d;
    --color-border-dark: #161b22;
    --color-border-light: #21262d;
    --color-border-icon: #30363d;
    --color-accent: #00f3ff;
    --color-accent-dark: #00d8e6;

    --color-service-number: #6e7681;
    --color-pipeline-shadow: #040609;
    --color-pipeline-pending: #484f58;

    --color-cta-number: #004d52;
    --color-cta-emphasis: #00363a;
    --color-cta-text: #002225;
}


/* =========================================================
   2. RESET & BASE TRANSITIONS
   ========================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-ink);
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    transition: background-color var(--theme-transition), color var(--theme-transition);
}

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

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

button {
    cursor: pointer;
}

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

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


/* =========================================================
   3. SKIP LINK
   ========================================================= */

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-sm);

    z-index: 200;

    padding: var(--space-xs) var(--space-sm);

    background: var(--color-ink);
    color: var(--color-surface);

    font-size: 14px;
    font-weight: 600;

    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-xs);
}


/* =========================================================
   4. TYPOGRAPHY
   ========================================================= */

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    font-family: "Space Grotesk", system-ui, sans-serif;
    letter-spacing: -0.055em;
    transition: color var(--theme-transition);
}

h1,
h2 {
    font-weight: 600;
}

h3 {
    font-weight: 600;
}

em {
    color: var(--color-accent-dark);
    font-style: normal;
    transition: color var(--theme-transition);
}


/* =========================================================
   4. GLOBAL LAYOUT
   ========================================================= */

.container {
    width: min(
        calc(100% - 48px),
        var(--container-width)
    );

    margin-inline: auto;
}

.section {
    padding: var(--space-3xl) 0;
    border-top: 1px solid var(--color-border);
    scroll-margin-top: 80px;
    transition: border-color var(--theme-transition);
}

.section-number {
    color: var(--color-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    transition: color var(--theme-transition);
}


/* =========================================================
   5. BUTTONS
   ========================================================= */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 18px;

    min-height: 52px;
    padding: 0 22px;

    border: 1px solid var(--color-ink);
    border-radius: var(--radius-sm);

    background: var(--color-ink);
    color: var(--color-bg);

    font-size: 14px;
    font-weight: 600;

    transition:
        transform var(--transition),
        background var(--theme-transition),
        color var(--theme-transition),
        border-color var(--theme-transition);
}

.button:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.button span {
    font-size: 17px;
}

.button--small {
    min-height: 42px;
    padding: 0 17px;
}

.button--light {
    background: var(--color-ink);
    border-color: var(--color-ink);
}


/* =========================================================
   6. HEADER
   ========================================================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;

    border-bottom: 1px solid var(--color-border);

    background: rgba(247, 247, 244, 0.92);

    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background-color var(--theme-transition), border-color var(--theme-transition);
}

body.night-shift .site-header {
    background: rgba(10, 13, 18, 0.88);
}

.nav {
    height: 76px;

    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: "Space Grotesk", system-ui, sans-serif;
    font-size: 25px;
    font-weight: 700;
    letter-spacing: -0.07em;
}

.logo span {
    color: var(--color-accent-dark);
    transition: color var(--theme-transition);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 34px;

    color: var(--color-muted);
    font-size: 14px;
    transition: color var(--theme-transition);
}

.nav-links a {
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-ink);
}


/* =========================================================
   7. HERO
   ========================================================= */

.hero {
    position: relative;

    display: flex;
    flex-direction: column;

    min-height: calc(100vh - 76px);

    padding: 110px 0 30px;

    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
    transition: border-color var(--theme-transition);
}

.hero::after {
    content: "";

    position: absolute;
    right: -180px;
    top: -180px;

    width: 500px;
    height: 500px;

    border-radius: 50%;

    background: rgba(200, 255, 56, 0.15);

    filter: blur(80px);

    pointer-events: none;
    transition: background var(--theme-transition);
}

body.night-shift .hero::after {
    background: rgba(0, 243, 255, 0.12);
}

.hero__inner {
    position: relative;
    z-index: 1;

    display: grid;
    grid-template-columns: 1.04fr 0.96fr;
    gap: 80px;

    align-items: center;

    flex: 1;
}

.hero__content {
    max-width: 700px;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;

    margin-bottom: 27px;

    color: var(--color-muted);

    font-size: 11px;
    font-weight: 700;

    letter-spacing: 0.16em;
    text-transform: uppercase;
    transition: color var(--theme-transition);
}

.eyebrow__dot {
    width: 7px;
    height: 7px;

    flex: 0 0 auto;

    border-radius: 50%;

    background: var(--color-accent-dark);

    box-shadow: 0 0 0 4px rgba(200, 255, 56, 0.3);
    transition: background var(--theme-transition), box-shadow var(--theme-transition);
}

body.night-shift .eyebrow__dot {
    box-shadow: 0 0 0 4px rgba(0, 243, 255, 0.25);
}

.hero__title {
    max-width: 760px;

    margin: 0;

    font-size: clamp(60px, 7vw, 94px);
    line-height: 0.94;
}

.hero__title span {
    color: var(--color-accent-dark);
    transition: color var(--theme-transition);
}

.hero__lead {
    max-width: 620px;

    margin-top: 34px;
    margin-bottom: 0;

    font-family: "Space Grotesk", system-ui, sans-serif;
    font-size: 23px;
    line-height: 1.25;
    letter-spacing: -0.025em;
}

.hero__description {
    max-width: 570px;

    margin-top: 18px;
    margin-bottom: 0;

    color: var(--color-muted);

    font-size: 16px;
    line-height: 1.7;
    transition: color var(--theme-transition);
}

.hero__actions {
    display: flex;
    align-items: center;
    gap: 28px;

    margin-top: 35px;
}

.text-link {
    color: var(--color-muted);

    font-size: 14px;
    font-weight: 600;

    transition: color var(--theme-transition);
}

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

.text-link span {
    margin-left: 8px;
}

.hero__bottom {
    position: relative;
    z-index: 1;

    display: flex;
    align-items: center;
    justify-content: space-between;

    margin-top: 70px;

    color: var(--color-muted-light);

    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color var(--theme-transition);
}

.scroll-mark {
    display: flex;
    gap: 8px;
}


/* =========================================================
   8. PIPELINE CARD
   ========================================================= */

.pipeline {
    width: 100%;
    max-width: 500px;

    justify-self: end;

    padding: 26px;

    border: 1px solid var(--color-border-light);

    background: var(--color-surface);

    box-shadow: 18px 20px 0 var(--color-pipeline-shadow);
    transition: background var(--theme-transition), border-color var(--theme-transition), box-shadow var(--theme-transition);
}

.pipeline__header,
.pipeline__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;

    color: var(--color-muted);

    font-family: monospace;
    font-size: 10px;

    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: color var(--theme-transition), border-color var(--theme-transition);
}

.pipeline__header {
    padding-bottom: 18px;
    border-bottom: 1px solid var(--color-border);
}

.pipeline__status {
    display: flex;
    align-items: center;
    gap: 7px;
}

.pipeline__status::before {
    content: "";

    width: 6px;
    height: 6px;

    border-radius: 50%;

    background: var(--color-accent-dark);
    transition: background var(--theme-transition);
}

.pipeline__body {
    padding: 34px 0;
}

.pipeline__step {
    position: relative;

    display: flex;
    align-items: center;
    gap: 15px;

    padding-bottom: 36px;
}

.pipeline__step::after {
    content: "";

    position: absolute;
    bottom: 4px;
    left: 17px;

    width: 1px;
    height: 28px;

    background: var(--color-border-light);
    transition: background var(--theme-transition);
}

.pipeline__step:last-child::after {
    display: none;
}

.pipeline__icon {
    width: 34px;
    height: 34px;

    flex: 0 0 auto;

    display: grid;
    place-items: center;

    border: 1px solid var(--color-border-icon);
    border-radius: 50%;

    font-size: 14px;
    transition: background var(--theme-transition), border-color var(--theme-transition), color var(--theme-transition);
}

.pipeline__step--complete .pipeline__icon {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: #000000;
}

.pipeline__step--active .pipeline__icon {
    border-color: var(--color-ink);
    background: var(--color-ink);
    color: var(--color-bg);
}

.pipeline__step--pending .pipeline__icon {
    color: var(--color-pipeline-pending);
}

.pipeline__name {
    display: block;

    font-size: 14px;
    font-weight: 600;
}

.pipeline__meta {
    display: block;

    margin-top: 2px;

    color: var(--color-muted);

    font-family: monospace;
    font-size: 11px;
    transition: color var(--theme-transition);
}

.pipeline__footer {
    padding-top: 18px;
    border-top: 1px solid var(--color-border);
}

.pipeline__confidence {
    color: var(--color-accent-dark);

    font-size: 14px;
    font-weight: 700;
    transition: color var(--theme-transition);
}


/* =========================================================
   9. SECTION HEADINGS
   ========================================================= */

.section-heading {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;

    align-items: end;

    margin-bottom: 68px;
}

.section-heading h2 {
    margin: 18px 0 0;

    font-size: clamp(44px, 5vw, 67px);
    line-height: 0.98;
}

.section-heading > p {
    max-width: 450px;

    margin: 0;

    color: var(--color-muted);

    font-size: 16px;
    line-height: 1.7;
    transition: color var(--theme-transition);
}


/* =========================================================
   10. SERVICES
   ========================================================= */

.services {
    border-top: 0;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);

    border-top: 1px solid var(--color-border);
    border-left: 1px solid var(--color-border);
    transition: border-color var(--theme-transition);
}

.service-card {
    position: relative;

    min-height: 470px;

    padding: 29px;

    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);

    background: transparent;

    transition:
        background var(--theme-transition),
        border-color var(--theme-transition),
        transform var(--transition);
}

.service-card:hover {
    background: var(--color-surface);
}

.service-card--featured {
    background: var(--color-surface);

    box-shadow: inset 0 4px 0 var(--color-accent);
}

.service-number {
    color: var(--color-service-number);

    font-family: monospace;
    font-size: 11px;
    transition: color var(--theme-transition);
}

.service-icon {
    margin-top: 55px;

    font-size: 32px;
    line-height: 1;
}

.service-card h3 {
    margin: 20px 0 12px;

    font-size: 25px;
}

.service-card p {
    min-height: 75px;

    margin-bottom: 0;

    color: var(--color-muted);

    font-size: 14px;
    line-height: 1.7;
    transition: color var(--theme-transition);
}

.service-list {
    padding: 20px 0 0;
    margin: 20px 0 0;

    border-top: 1px solid var(--color-border);

    list-style: none;
    transition: border-color var(--theme-transition);
}

.service-list li {
    margin: 0;

    padding: 8px 0;

    color: var(--color-text-secondary);

    font-size: 13px;
    transition: color var(--theme-transition);
}

.service-list li::before {
    content: "↗";

    margin-right: 9px;

    color: var(--color-accent-dark);
    transition: color var(--theme-transition);
}


/* =========================================================
   11. PROCESS
   ========================================================= */

.process {
    border-top: 0;

    background: var(--color-ink);
    color: var(--color-bg);
    transition: background var(--theme-transition), color var(--theme-transition);
}

.process .section-number {
    color: var(--color-muted-dark);
}

.process .section-heading > p {
    color: var(--color-muted-dark);
}

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

    gap: 1px;

    background: var(--color-border-dark);
    transition: background var(--theme-transition);
}

.process-item {
    min-height: 300px;

    padding: 30px;

    background: var(--color-ink);
    transition: background var(--theme-transition);
}

.process-number {
    color: var(--color-muted-dark);

    font-family: monospace;
    font-size: 11px;
    transition: color var(--theme-transition);
}

.process-item h3 {
    margin: 85px 0 13px;

    font-size: 27px;
}

.process-item p {
    max-width: 290px;

    margin: 0;

    color: var(--color-muted-dark);

    font-size: 14px;
    line-height: 1.7;
    transition: color var(--theme-transition);
}


/* =========================================================
   12. APPROACH
   ========================================================= */

.principles {
    border-top: 0;
}

.principles-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.principles h2 {
    margin: 18px 0 0;

    font-size: clamp(44px, 5vw, 67px);
    line-height: 0.98;
}

.principles__content {
    padding-top: 38px;
}

.principles__lead {
    margin: 0;

    font-family: "Space Grotesk", system-ui, sans-serif;

    font-size: 27px;
    line-height: 1.25;

    letter-spacing: -0.035em;
}

.principle-list {
    margin-top: 50px;

    border-top: 1px solid var(--color-border);
    transition: border-color var(--theme-transition);
}

.principle-list__item {
    display: grid;
    grid-template-columns: 50px 1fr;

    padding: 17px 0;

    border-bottom: 1px solid var(--color-border);

    font-size: 14px;
    transition: border-color var(--theme-transition);
}

.principle-list__number {
    color: var(--color-accent-dark);

    font-family: monospace;
    font-size: 11px;
    transition: color var(--theme-transition);
}


/* =========================================================
   13. CTA
   ========================================================= */

.cta {
    padding: 125px 0;

    background: var(--color-accent);
    transition: background var(--theme-transition);
}

.cta__inner {
    text-align: center;
}

.cta .section-number {
    color: var(--color-cta-number);
    transition: color var(--theme-transition);
}

.cta h2 {
    max-width: 900px;

    margin: 20px auto;

    font-size: clamp(48px, 6vw, 76px);
    line-height: 0.97;
    color: var(--color-cta-text);
    transition: color var(--theme-transition);
}

.cta h2 em {
    color: var(--color-cta-emphasis);
    transition: color var(--theme-transition);
}

.cta p {
    max-width: 520px;

    margin: 0 auto 34px;

    color: var(--color-cta-text);

    font-size: 16px;
    line-height: 1.7;
    transition: color var(--theme-transition);
}


/* =========================================================
   14. FOOTER
   ========================================================= */

.site-footer {
    padding: 28px 0;

    background: var(--color-ink);
    color: var(--color-muted-dark);
    transition: background var(--theme-transition), color var(--theme-transition);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 25px;
}

.footer-inner .logo {
    color: var(--color-bg);
    transition: color var(--theme-transition);
}

.footer-tagline,
.footer-copyright {
    margin: 0;

    font-size: 12px;
}


/* =========================================================
   15. FOCUS STATES
   ========================================================= */

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-accent-dark);
    outline-offset: 4px;
}


/* =========================================================
   16. RESPONSIVE — TABLET
   ========================================================= */

@media (max-width: 850px) {

    .nav-links {
        display: none;
    }

    .hero {
        padding-top: 80px;
    }

    .hero__inner {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .pipeline {
        max-width: none;
        justify-self: stretch;
    }

    .section-heading {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .service-grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        min-height: auto;
    }

    .process-grid {
        grid-template-columns: 1fr;
    }

    .process-item {
        min-height: 230px;
    }

    .process-item h3 {
        margin-top: 55px;
    }

    .principles-grid {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .principles__content {
        padding-top: 0;
    }
}


/* =========================================================
   17. RESPONSIVE — MOBILE
   ========================================================= */

@media (max-width: 560px) {

    :root {
        --space-3xl: 90px;
    }

    .container {
        width: min(
            calc(100% - 32px),
            var(--container-width)
        );
    }

    .nav {
        height: 66px;
    }

    .nav .button {
        display: none;
    }

    .hero {
        padding-top: 60px;
    }

    .hero__title {
        font-size: 57px;
    }

    .hero__lead {
        font-size: 20px;
    }

    .hero__actions {
        align-items: flex-start;
        flex-direction: column;
        gap: 20px;
    }

    .pipeline {
        padding: 19px;

        box-shadow: 8px 10px 0 var(--color-pipeline-shadow);
    }

    .hero__bottom {
        margin-top: 50px;
    }

    .hero__bottom > span {
        max-width: 220px;
    }

    .section-heading h2,
    .principles h2 {
        font-size: 46px;
    }

    .service-card {
        padding: 24px;
    }

    .cta {
        padding: 90px 0;
    }

    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }
}


/* =========================================================
   18. REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}


/* =========================================================
   19. DWARF OVERLAY CANVAS
   ========================================================= */

#dwarfCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none; /* Allows user to click buttons through the canvas */
    z-index: 9999;
}