:root {
    --color-bg: #f6f8fc;
    --color-surface: #ffffff;
    --color-surface-strong: #eef3fa;
    --color-ink: #111827;
    --color-muted: #5e6b80;
    --color-line: #dce4ef;
    --color-primary: #1f4fd8;
    --color-primary-strong: #173ea7;
    --color-primary-soft: #dfe8ff;
    --color-deep: #101626;
    --color-deep-2: #172033;
    --color-cyan: #38bdf8;
    --color-green: #3fbf91;
    --shadow-soft: 0 18px 50px rgba(16, 22, 38, 0.10);
    --shadow-card: 0 10px 30px rgba(16, 22, 38, 0.08);
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 28px;
    --max-width: 1180px;
    --content-width: 860px;
    --space-page: clamp(1rem, 3vw, 2rem);
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--color-ink);
    background: var(--color-bg);
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

img,
video {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--color-primary);
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.18em;
}

a:hover {
    color: var(--color-primary-strong);
}

:focus-visible {
    outline: 3px solid var(--color-cyan);
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    top: -80px;
    left: 1rem;
    z-index: 1000;
    display: inline-flex;
    padding: 0.7rem 1rem;
    color: #fff;
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: top 160ms ease;
}

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

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(246, 248, 252, 0.92);
    border-bottom: 1px solid rgba(220, 228, 239, 0.88);
    backdrop-filter: blur(18px);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(var(--max-width), calc(100% - 2 * var(--space-page)));
    min-height: 76px;
    margin-inline: auto;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    color: var(--color-ink);
    text-decoration: none;
    min-width: 0;
}

.brand__logo {
    display: block;
    width: clamp(210px, 22vw, 312px);
    height: auto;
    max-height: 58px;
    object-fit: contain;
}

.primary-navigation {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.primary-menu,
.footer-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0;
    margin: 0;
    list-style: none;
}

.primary-menu a {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 0.5rem 0.72rem;
    color: var(--color-deep);
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 720;
    text-decoration: none;
    transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.primary-menu a:hover,
.primary-menu .current-menu-item > a,
.primary-menu .current_page_item > a {
    color: var(--color-primary-strong);
    background: var(--color-primary-soft);
}

.nav-toggle {
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.8rem;
    color: var(--color-deep);
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: 999px;
    font: inherit;
    font-weight: 720;
    cursor: pointer;
}

.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
    display: block;
    width: 18px;
    height: 2px;
    background: currentColor;
    border-radius: 99px;
}

.nav-toggle__bar {
    position: relative;
}

.nav-toggle__bar::before,
.nav-toggle__bar::after {
    position: absolute;
    content: "";
    left: 0;
}

.nav-toggle__bar::before {
    top: -6px;
}

.nav-toggle__bar::after {
    top: 6px;
}

.site-main {
    overflow: clip;
}

.hero,
.section,
.page-shell,
.page-hero,
.post-list {
    width: min(var(--max-width), calc(100% - 2 * var(--space-page)));
    margin-inline: auto;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.85fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 4.5rem);
    padding: clamp(3rem, 6vw, 5.8rem) 0 clamp(2.8rem, 6vw, 5rem);
}

.hero__content,
.page-hero,
.section-heading {
    max-width: 780px;
}

.eyebrow {
    margin: 0 0 0.8rem;
    color: var(--color-primary-strong);
    font-size: 0.78rem;
    font-weight: 850;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0 0 0.75rem;
    color: var(--color-deep);
    line-height: 1.08;
    letter-spacing: -0.04em;
}

h1 {
    font-size: clamp(2.65rem, 6.2vw, 6rem);
    max-width: 11ch;
}

h2 {
    font-size: clamp(1.75rem, 3vw, 3rem);
}

h3 {
    font-size: clamp(1.12rem, 1.4vw, 1.38rem);
    letter-spacing: -0.025em;
}

p {
    margin: 0 0 1rem;
}

.hero__lede,
.page-hero__summary,
.section-heading p,
.content-lede p {
    color: var(--color-muted);
    font-size: clamp(1.08rem, 1.6vw, 1.32rem);
    line-height: 1.55;
}

.hero__actions,
.hero__actions--center {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.hero__actions--center {
    justify-content: center;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0.72rem 1.05rem;
    border: 1px solid transparent;
    border-radius: 999px;
    font-weight: 800;
    text-decoration: none;
    transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, color 160ms ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button--primary,
.button.button--primary,
.search-form .button,
.content-body .button:not(.button--ghost) {
    color: #fff;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
    box-shadow: 0 14px 34px rgba(31, 79, 216, 0.24);
}

.button--primary:hover,
.search-form .button:hover,
.content-body .button:not(.button--ghost):hover {
    color: #fff;
    background: linear-gradient(135deg, var(--color-primary-strong), #0d2f86);
}

.button--ghost {
    color: var(--color-deep);
    background: rgba(255, 255, 255, 0.78);
    border-color: var(--color-line);
}

.button--ghost:hover {
    color: var(--color-primary-strong);
    background: #fff;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 850;
    text-decoration: none;
}

.text-link::after {
    content: "→";
    transition: transform 160ms ease;
}

.text-link:hover::after {
    transform: translateX(3px);
}

.trust-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    padding: 0;
    margin: 1.6rem 0 0;
    list-style: none;
}

.trust-strip li {
    padding: 0.42rem 0.72rem;
    color: var(--color-deep);
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--color-line);
    border-radius: 999px;
    font-size: 0.86rem;
    font-weight: 720;
}

.hero__visual {
    position: relative;
    min-height: 470px;
    isolation: isolate;
}

.hero__visual--logo {
    display: grid;
    align-items: center;
    min-height: 390px;
}

.logo-visual-card {
    position: relative;
    overflow: hidden;
    padding: clamp(0.9rem, 2.5vw, 1.6rem);
    background:
        radial-gradient(circle at 70% 44%, rgba(31, 79, 216, 0.12), transparent 34%),
        rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(220, 228, 239, 0.94);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.logo-visual-card::before,
.logo-visual-card::after {
    position: absolute;
    content: "";
    inset: auto -18% 8% 12%;
    height: 34%;
    background: linear-gradient(90deg, transparent, rgba(31, 79, 216, 0.08), transparent);
    transform: rotate(-4deg);
    pointer-events: none;
}

.logo-visual-card::after {
    inset: 8% 18% auto -18%;
    background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.08), transparent);
    transform: rotate(3deg);
}

.logo-visual-card img {
    position: relative;
    z-index: 1;
    display: block;
    width: min(100%, 680px);
    height: auto;
    margin-inline: auto;
    filter: drop-shadow(0 18px 26px rgba(16, 22, 38, 0.10));
}

.section {
    padding: clamp(2.8rem, 5vw, 5rem) 0;
}

.section--compact {
    padding-top: 1rem;
}

.section-heading {
    margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
}

.content-grid,
.feature-list,
.metric-grid {
    display: grid;
    gap: 1rem;
}

.two-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.three-col {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel,
.feature-list article,
.post-card,
.control-card,
.code-card,
.callout,
.cta-band {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}

.panel,
.feature-list article,
.post-card,
.control-card,
.code-card {
    padding: clamp(1.2rem, 2vw, 1.6rem);
}

.panel-kicker,
.timeline-kicker {
    display: inline-flex;
    margin-bottom: 0.85rem;
    color: var(--color-primary-strong);
    font-size: 0.74rem;
    font-weight: 900;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.panel p,
.feature-list p,
.post-card p,
.control-card p,
.comparison-table,
.timeline p,
.architecture-stack p {
    color: var(--color-muted);
}

.accent-panel {
    background: linear-gradient(145deg, #ffffff, #f3f7ff);
    border-color: rgba(31, 79, 216, 0.24);
}

.split-section {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
    align-items: center;
    gap: clamp(1.6rem, 4vw, 4rem);
}

.split-section--reverse {
    grid-template-columns: minmax(320px, 1fr) minmax(0, 0.9fr);
}

.split-section--reverse > div:first-child {
    order: 2;
}

.architecture-mini {
    display: grid;
    gap: 0.55rem;
    padding: 1rem;
    background: var(--color-deep);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.architecture-mini div {
    padding: 0.82rem 1rem;
    color: #e8eefc;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.09), rgba(56, 189, 248, 0.08));
    border: 1px solid rgba(255, 255, 255, 0.11);
    border-radius: 14px;
    font-weight: 820;
}

.section--dark {
    width: 100%;
    max-width: none;
    padding-inline: max(var(--space-page), calc((100% - var(--max-width)) / 2));
    color: #e8eefc;
    background:
        radial-gradient(circle at 18% 10%, rgba(56, 189, 248, 0.16), transparent 32%),
        linear-gradient(135deg, var(--color-deep), #0b1020);
}

.section--dark h2,
.section--dark h3,
.section--dark strong,
.section--dark .eyebrow {
    color: #ffffff;
}

.section--dark .section-heading p {
    color: #cbd5e1;
}

.metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-grid article {
    padding: 1.15rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-md);
}

.metric-grid strong {
    display: block;
    margin-bottom: 0.3rem;
    font-size: 1.06rem;
}

.metric-grid span {
    color: #cbd5e1;
    font-size: 0.95rem;
}

.control-card {
    background:
        radial-gradient(circle at 88% 8%, rgba(31, 79, 216, 0.18), transparent 32%),
        #fff;
}

.control-card ul,
.check-list,
.process-list {
    padding: 0;
    margin: 1rem 0 0;
    list-style: none;
}

.control-card li,
.check-list li,
.process-list li {
    position: relative;
    padding-left: 1.65rem;
    margin: 0.7rem 0;
}

.control-card li::before,
.check-list li::before {
    position: absolute;
    left: 0;
    top: 0.18rem;
    display: inline-grid;
    place-items: center;
    width: 1rem;
    height: 1rem;
    color: #fff;
    background: var(--color-green);
    border-radius: 999px;
    content: "✓";
    font-size: 0.68rem;
    font-weight: 900;
}

.check-list.compact li {
    margin: 0.45rem 0;
}

.process-list {
    counter-reset: process;
}

.process-list li {
    counter-increment: process;
    padding-left: 3rem;
    margin: 1rem 0;
}

.process-list li::before {
    position: absolute;
    left: 0;
    top: -0.1rem;
    display: inline-grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    color: #fff;
    background: var(--color-primary);
    border-radius: 999px;
    content: counter(process);
    font-weight: 900;
}

.cta-section,
.cta-band {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: clamp(1.5rem, 3vw, 2.2rem);
    background:
        radial-gradient(circle at 8% 20%, rgba(56, 189, 248, 0.15), transparent 32%),
        linear-gradient(135deg, var(--color-surface), #edf4ff);
}

.cta-section {
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.page-main {
    padding-bottom: clamp(2.5rem, 6vw, 5rem);
}

.page-shell {
    max-width: var(--content-width);
}

.page-hero {
    padding: clamp(2.8rem, 6vw, 5rem) 0 clamp(1.4rem, 3vw, 2.4rem);
}

.page-hero h1 {
    max-width: 14ch;
    font-size: clamp(2.3rem, 5vw, 4.7rem);
}

.page-hero__meta {
    display: inline-flex;
    padding: 0.35rem 0.62rem;
    color: var(--color-muted);
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--color-line);
    border-radius: 999px;
    font-size: 0.86rem;
    font-weight: 750;
}

.page-hero--center {
    max-width: 740px;
    text-align: center;
}

.content-body {
    padding-bottom: 2rem;
}

.content-body > section {
    margin: clamp(1.6rem, 4vw, 3rem) 0;
}

.content-lede {
    padding: clamp(1.2rem, 2.8vw, 1.8rem);
    background: linear-gradient(135deg, #fff, #edf4ff);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}

.content-lede p:last-child,
.panel p:last-child,
.feature-list p:last-child,
.callout p:last-child,
.cta-band p:last-child,
.cta-section p:last-child {
    margin-bottom: 0;
}

.content-body h2 {
    margin-top: 0;
}

.callout {
    padding: clamp(1rem, 2vw, 1.35rem);
    border-left: 5px solid var(--color-primary);
}

.danger-callout {
    border-left-color: #e45b5b;
}

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

.timeline article {
    position: relative;
    padding: clamp(1.15rem, 2vw, 1.5rem) clamp(1.15rem, 2vw, 1.5rem) clamp(1.15rem, 2vw, 1.5rem) 2rem;
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}

.timeline article::before {
    position: absolute;
    top: 1.25rem;
    bottom: 1.25rem;
    left: 1rem;
    width: 3px;
    background: linear-gradient(var(--color-primary), var(--color-cyan));
    border-radius: 999px;
    content: "";
}

.comparison-table {
    overflow: hidden;
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}

.comparison-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--color-line);
}

.comparison-row:first-child {
    border-top: 0;
}

.comparison-row > div {
    padding: 0.95rem 1rem;
}

.comparison-row > div + div {
    border-left: 1px solid var(--color-line);
}

.comparison-head {
    color: #fff;
    background: var(--color-deep);
    font-weight: 850;
}

.architecture-stack {
    display: grid;
    gap: 0.7rem;
}

.architecture-stack > div {
    display: grid;
    grid-template-columns: auto minmax(130px, 0.28fr) minmax(0, 1fr);
    align-items: center;
    gap: 0.8rem;
    padding: 0.9rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}

.architecture-stack span {
    display: inline-grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    color: #fff;
    background: var(--color-primary);
    border-radius: 999px;
    font-weight: 900;
}

.architecture-stack strong {
    color: var(--color-deep);
}

.architecture-stack p {
    margin: 0;
}

.code-card {
    overflow-x: auto;
    background: var(--color-deep);
}

.code-card pre {
    margin: 0;
    color: #e2e8f0;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.95rem;
    line-height: 1.6;
}

.post-list {
    display: grid;
    gap: 1rem;
    max-width: var(--content-width);
}

.post-card h2 {
    margin-bottom: 0.3rem;
    font-size: clamp(1.35rem, 2vw, 1.9rem);
}

.post-card h2 a {
    color: var(--color-deep);
    text-decoration: none;
}

.post-card__meta {
    color: var(--color-muted);
    font-size: 0.9rem;
    font-weight: 720;
}

.pagination-wrap {
    margin-top: 1rem;
}

.search-form {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    max-width: 680px;
}

.search-field {
    width: 100%;
    min-height: 48px;
    padding: 0.75rem 1rem;
    color: var(--color-ink);
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: 999px;
    font: inherit;
}

.search-box-wrap {
    margin-top: 1.3rem;
}

.site-footer {
    color: #dbeafe;
    background:
        radial-gradient(circle at 80% 8%, rgba(56, 189, 248, 0.14), transparent 30%),
        linear-gradient(135deg, var(--color-deep), #0b1020);
}

.site-footer__grid,
.site-footer__bottom {
    width: min(var(--max-width), calc(100% - 2 * var(--space-page)));
    margin-inline: auto;
}

.site-footer__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(180px, 0.7fr) minmax(240px, 1fr);
    gap: clamp(1.4rem, 4vw, 3rem);
    padding: clamp(2.6rem, 5vw, 4rem) 0;
}

.site-footer h2 {
    color: #ffffff;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
}

.site-footer p {
    color: #b9c7dc;
}

.footer-logo {
    display: inline-flex;
    max-width: min(320px, 100%);
    padding: 0.5rem 0.65rem;
    margin-bottom: 0.9rem;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.20);
    border-radius: 16px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.16);
}

.footer-logo img {
    display: block;
    width: 100%;
    height: auto;
}

.footer-menu {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.3rem;
}

.footer-menu a,
.site-footer a {
    color: #dbeafe;
    text-decoration: none;
}

.footer-menu a:hover,
.site-footer a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.site-footer__bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0 1.4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.92rem;
}

.site-footer__bottom p {
    margin: 0;
}

@media (max-width: 1120px) {
    .primary-menu a {
        padding-inline: 0.55rem;
        font-size: 0.84rem;
    }
}

@media (max-width: 980px) {
    .nav-toggle {
        display: inline-flex;
    }

    .primary-navigation {
        position: absolute;
        top: calc(100% + 1px);
        left: 0;
        right: 0;
        display: none;
        padding: 0.8rem var(--space-page) 1rem;
        background: rgba(246, 248, 252, 0.98);
        border-bottom: 1px solid var(--color-line);
        box-shadow: 0 20px 35px rgba(16, 22, 38, 0.10);
    }

    .primary-navigation.is-open {
        display: block;
    }

    .primary-menu {
        width: min(var(--max-width), 100%);
        margin-inline: auto;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.35rem;
    }

    .primary-menu a {
        justify-content: center;
        background: #fff;
        border: 1px solid var(--color-line);
    }

    .hero,
    .split-section,
    .split-section--reverse {
        grid-template-columns: 1fr;
    }

    .split-section--reverse > div:first-child {
        order: 0;
    }

    .hero__visual {
        min-height: 390px;
    }

    .two-col,
    .three-col,
    .metric-grid,
    .site-footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 720px) {
    :root {
        --space-page: 1rem;
    }

    .site-header__inner {
        min-height: 68px;
    }

    .primary-menu,
    .two-col,
    .three-col,
    .metric-grid,
    .site-footer__grid,
    .comparison-row,
    .architecture-stack > div {
        grid-template-columns: 1fr;
    }

    .comparison-row > div + div {
        border-left: 0;
        border-top: 1px solid var(--color-line);
    }

    .hero {
        padding-top: 2.4rem;
    }

    .hero__visual {
        min-height: 340px;
    }

    .hero__visual--logo {
        min-height: auto;
    }


    .cta-section,
    .cta-band,
    .site-footer__bottom,
    .search-form {
        align-items: stretch;
        flex-direction: column;
    }

    h1 {
        font-size: clamp(2.5rem, 14vw, 3.8rem);
    }

    .page-hero h1 {
        font-size: clamp(2.2rem, 12vw, 3.3rem);
    }
}

@media (max-width: 430px) {
    .brand__logo {
        width: clamp(178px, 56vw, 218px);
        max-height: 46px;
    }

    .nav-toggle__label {
        display: none;
    }

    .hero__actions .button,
    .cta-section .button,
    .cta-band .button {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}