@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@500;600;700&family=Sora:wght@400;500;600;700;800&display=swap");

:root {
    color-scheme: dark;
    --bg: #050813;
    --bg-2: #07101f;
    --surface: rgba(9, 19, 39, 0.76);
    --surface-strong: rgba(13, 28, 55, 0.9);
    --surface-soft: rgba(240, 247, 255, 0.045);
    --ink: #f0f7ff;
    --muted: #9fb3c8;
    --muted-strong: #c5d6e8;
    --line: rgba(145, 210, 255, 0.17);
    --line-strong: rgba(53, 216, 255, 0.32);
    --cyan: #35d8ff;
    --cyan-soft: #73e8ff;
    --violet: #8f67ff;
    --forge: #ff9d3f;
    --gold: #f2b858;
    --green: #5ee3a1;
    --shadow: 0 32px 90px rgba(0, 0, 0, 0.34);
    --glow-cyan: 0 0 32px rgba(53, 216, 255, 0.16);
    --radius: 8px;
    --max: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    font-family: "Sora", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    background:
        radial-gradient(circle at 82% -8rem, rgba(53, 216, 255, 0.22), transparent 34rem),
        radial-gradient(circle at -8rem 22rem, rgba(143, 103, 255, 0.16), transparent 34rem),
        radial-gradient(circle at 76% 44rem, rgba(255, 157, 63, 0.1), transparent 26rem),
        linear-gradient(180deg, #060b18 0%, var(--bg) 46%, #03050c 100%);
    color: var(--ink);
    line-height: 1.65;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, rgba(145, 210, 255, 0.16) 1px, transparent 1.5px);
    background-position: 0 0;
    background-size: 34px 34px;
    mask-image:
        radial-gradient(circle at 66% 16%, rgba(0, 0, 0, 0.95), transparent 42rem),
        linear-gradient(to bottom, rgba(0, 0, 0, 0.78), transparent 74%);
    opacity: 0.36;
    z-index: -1;
}

a {
    color: inherit;
}

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

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

h1,
h2,
h3 {
    color: var(--ink);
    line-height: 1.02;
    letter-spacing: 0;
}

h1 {
    max-width: 820px;
    font-size: clamp(3.1rem, 6.1vw, 5.45rem);
}

.book-title {
    max-width: none;
    font-size: clamp(3rem, 5.8vw, 5.2rem);
}

.book-title span {
    display: block;
    white-space: nowrap;
}

.book-title__accent {
    background: linear-gradient(100deg, var(--ink) 8%, var(--cyan-soft) 42%, var(--gold) 76%, var(--ink) 100%);
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 34px rgba(53, 216, 255, 0.14);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h1:focus {
    outline: none;
}

h2 {
    font-size: clamp(2.2rem, 4.3vw, 4.4rem);
}

h3 {
    font-size: 1.32rem;
}

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

em {
    color: var(--muted-strong);
}

.site-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: clip;
}

#main-content {
    flex: 1 0 auto;
}

.site-header,
.site-footer,
main > section {
    width: min(var(--max), calc(100% - 48px));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 14px max(24px, calc((100vw - var(--max)) / 2));
    width: 100%;
    border-bottom: 1px solid rgba(145, 210, 255, 0.11);
    background: rgba(5, 8, 19, 0.78);
    backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
    color: var(--ink);
    text-decoration: none;
}

.brand__mark {
    flex: 0 0 auto;
    width: 48px;
    aspect-ratio: 1;
    filter: drop-shadow(0 0 18px rgba(53, 216, 255, 0.18));
}

.brand__text {
    display: block;
    width: auto;
    height: 38px;
    transform: translateY(2px);
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    flex-wrap: wrap;
}

.site-nav a {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    border: 1px solid transparent;
    border-radius: var(--radius);
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 700;
    padding: 0 11px;
    text-decoration: none;
}

.site-nav a:hover,
.site-nav a.active {
    border-color: rgba(53, 216, 255, 0.18);
    background: rgba(53, 216, 255, 0.055);
    color: var(--ink);
}

.site-nav .nav-cta {
    border-color: rgba(53, 216, 255, 0.4);
    background:
        linear-gradient(180deg, rgba(53, 216, 255, 0.12), rgba(53, 216, 255, 0.04)),
        rgba(3, 10, 24, 0.92);
    color: #8beaff;
    box-shadow: var(--glow-cyan);
}

.mobile-nav-toggle,
.mobile-quick-nav,
.mobile-menu-button,
.mobile-nav-backdrop,
.mobile-drawer {
    display: none;
}

.hero {
    min-height: 660px;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(390px, 0.74fr);
    gap: 52px;
    align-items: center;
    padding: 70px 0 86px;
}

.hero__content {
    align-self: center;
}

.eyebrow {
    margin-bottom: 15px;
    color: var(--cyan);
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    text-shadow: 0 0 18px rgba(53, 216, 255, 0.32);
}

.hero__lede,
.page-heading p,
.section__header p,
.split-section > div > p:not(.eyebrow),
.section--accent p,
.book-panel > div > p:not(.eyebrow),
.book-author-callout p,
.contact-standards p {
    max-width: 710px;
    color: var(--muted);
    font-size: 1.04rem;
    line-height: 1.76;
}

.hero__actions,
.button-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 34px;
}

.button {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    font-weight: 800;
    padding: 0 18px;
    text-decoration: none;
}

.button--primary {
    border-color: rgba(53, 216, 255, 0.58);
    background:
        linear-gradient(180deg, rgba(53, 216, 255, 0.12), rgba(53, 216, 255, 0.045)),
        rgba(3, 10, 24, 0.92);
    color: #8beaff;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        var(--glow-cyan);
}

.button--secondary {
    border-color: rgba(242, 207, 120, 0.2);
    background: rgba(240, 247, 255, 0.035);
    color: var(--ink);
}

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

.hero__visual {
    align-self: center;
}

.terminal-card {
    overflow: hidden;
    border: 1px solid rgba(53, 216, 255, 0.26);
    border-radius: 14px;
    background:
        linear-gradient(135deg, rgba(53, 216, 255, 0.1), transparent 38%),
        rgba(2, 8, 18, 0.82);
    box-shadow:
        0 0 52px rgba(53, 216, 255, 0.16),
        var(--shadow);
}

.terminal-card__bar {
    min-height: 44px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid rgba(53, 216, 255, 0.18);
    padding: 0 16px;
    background: rgba(255, 255, 255, 0.04);
}

.terminal-card__bar span {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: var(--muted);
}

.terminal-card__bar span:nth-child(1) {
    background: var(--forge);
}

.terminal-card__bar span:nth-child(2) {
    background: var(--gold);
}

.terminal-card__bar span:nth-child(3) {
    background: var(--cyan);
    box-shadow: 0 0 14px rgba(53, 216, 255, 0.72);
}

.terminal-card__bar strong {
    margin-left: auto;
    color: var(--muted);
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.72rem;
    font-weight: 700;
}

.terminal-card__body {
    margin: 0;
    min-height: calc(12.46em + 56px);
    padding: 28px;
    color: var(--ink);
    font: 700 0.94rem/1.78 "IBM Plex Mono", monospace;
}

.terminal-card__body div {
    height: 1.78em;
    overflow: hidden;
    white-space: nowrap;
}

.terminal-card__body .terminal-line--wrap {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    column-gap: 0.5ch;
    height: auto;
    min-height: 3.56em;
    overflow: visible;
    white-space: normal;
}

.type-text {
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    vertical-align: bottom;
    width: 0;
    animation: terminal-type var(--duration) steps(var(--chars)) var(--delay) forwards;
    will-change: width;
}

.type-text--stable {
    width: auto;
    clip-path: inset(0 100% 0 0);
    animation: terminal-reveal var(--duration) steps(var(--chars)) var(--delay) forwards;
    will-change: clip-path;
}

.type-text--final {
    padding-right: 0.78em;
}

.type-text--final::after {
    content: "";
    display: inline-block;
    width: 0.62em;
    height: 1.05em;
    margin-left: 2px;
    background: var(--cyan);
    box-shadow: 0 0 14px rgba(53, 216, 255, 0.54);
    transform: translateY(0.17em);
    opacity: 0;
    animation:
        terminal-cursor-start 0s linear 5.48s forwards,
        terminal-cursor-blink 0.9s steps(1) 5.48s infinite;
}

.terminal-message {
    min-width: 0;
}

.terminal-message--mobile {
    display: none;
}

.code-accent {
    color: var(--forge);
}

.code-success {
    color: var(--green);
}

.terminal-cursor {
    display: inline-block;
    width: 0.62em;
    height: 1.05em;
    margin-left: 2px;
    background: var(--cyan);
    box-shadow: 0 0 14px rgba(53, 216, 255, 0.54);
    transform: translateY(0.17em);
    opacity: 0;
    animation:
        terminal-cursor-start 0s linear 5.34s forwards,
        terminal-cursor-blink 0.9s steps(1) 5.34s infinite;
}

.terminal-check {
    display: inline-block;
    margin-left: 0.5ch;
    color: var(--green);
    opacity: 0;
    transform: translateY(0.02em);
    animation: terminal-check-in 0.18s ease-out 4.28s forwards;
}

@keyframes terminal-type {
    to {
        width: min(calc(var(--chars) * 1ch), 100%);
    }
}

@keyframes terminal-reveal {
    to {
        clip-path: inset(0 0 0 0);
    }
}

@keyframes terminal-check-in {
    to {
        opacity: 1;
    }
}

@keyframes terminal-cursor-start {
    to {
        opacity: 1;
    }
}

@keyframes terminal-cursor-blink {
    0%,
    45% {
        opacity: 1;
    }

    46%,
    100% {
        opacity: 0;
    }
}

.hero__panel {
    display: grid;
    gap: 10px;
    margin-top: 14px;
}

.hero__panel div,
.standard-list div,
.pricing-grid article,
.info-card,
.service-card,
.offer,
.timeline article,
.post-list article,
.contact-card,
.contact-standards,
.book-panel,
.book-author-callout {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background:
        linear-gradient(180deg, rgba(240, 247, 255, 0.055), rgba(240, 247, 255, 0.02)),
        var(--surface);
    box-shadow: 0 26px 80px rgba(0, 0, 0, 0.22);
}

.hero__panel div,
.standard-list div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
}

.standard-list div {
    display: grid;
    grid-template-columns: minmax(140px, 0.34fr) minmax(0, 1fr);
    justify-content: stretch;
}

.hero__panel span,
.standard-list span,
.pricing-grid span,
.offer__type,
.service-card__label,
.post-list span {
    color: var(--cyan);
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.hero__panel strong,
.standard-list strong {
    color: var(--gold);
    font-family: "IBM Plex Mono", monospace;
}

.section,
.page-heading,
.offer-stack,
.pricing-grid,
.timeline,
.post-list,
.contact-layout,
.book-panel {
    margin-top: 64px;
}

.page-heading {
    padding: 58px 0 6px;
}

.about-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.48fr);
    gap: 36px;
    align-items: center;
}

.author-profile {
    justify-self: end;
    display: grid;
    gap: 18px;
    width: min(100%, 370px);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
    background:
        linear-gradient(180deg, rgba(240, 247, 255, 0.055), rgba(240, 247, 255, 0.02)),
        var(--surface);
    box-shadow: 0 26px 80px rgba(0, 0, 0, 0.22);
}

.author-avatar {
    width: 132px;
    aspect-ratio: 1;
    border: 1px solid rgba(53, 216, 255, 0.4);
    border-radius: 999px;
    padding: 6px;
    background:
        radial-gradient(circle at 64% 12%, rgba(53, 216, 255, 0.18), transparent 50%),
        rgba(5, 8, 19, 0.68);
    box-shadow:
        0 0 34px rgba(53, 216, 255, 0.16),
        0 20px 70px rgba(0, 0, 0, 0.28);
}

.author-avatar {
    object-fit: cover;
}

.author-profile h2 {
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.author-profile p {
    margin-bottom: 0;
    color: var(--muted-strong);
}

.author-profile__socials {
    display: grid;
    gap: 8px;
    margin-top: 18px;
}

.author-profile__socials a {
    min-height: 38px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(53, 216, 255, 0.2);
    border-radius: var(--radius);
    background: rgba(53, 216, 255, 0.055);
    color: var(--muted-strong);
    font-size: 0.83rem;
    font-weight: 800;
    padding: 0 10px;
    text-decoration: none;
}

.author-profile__socials a:hover {
    border-color: rgba(53, 216, 255, 0.38);
    background: rgba(53, 216, 255, 0.09);
    color: var(--ink);
}

.author-profile__socials svg {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    fill: var(--cyan-soft);
}

.section {
    padding: 62px 0;
}

.section--tight {
    padding-top: 22px;
}

.section__header {
    max-width: 780px;
    margin-bottom: 28px;
}

.card-grid {
    display: grid;
    gap: 16px;
}

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

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

.service-card,
.info-card,
.pricing-grid article,
.post-list article {
    position: relative;
    overflow: hidden;
    padding: 24px;
}

.service-card::before,
.info-card::before,
.pricing-grid article::before,
.timeline article::before,
.post-list article::before,
.offer::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan), transparent);
}

.service-card:nth-child(2)::before,
.pricing-grid article:nth-child(2)::before,
.timeline article:nth-child(2)::before,
.post-list article:nth-child(2)::before,
.offer:nth-child(2)::before {
    background: linear-gradient(90deg, var(--violet), transparent);
}

.service-card:nth-child(3)::before,
.pricing-grid article:nth-child(3)::before,
.timeline article:nth-child(3)::before,
.post-list article:nth-child(3)::before,
.offer:nth-child(3)::before {
    background: linear-gradient(90deg, var(--forge), transparent);
}

.service-card a {
    color: var(--cyan-soft);
    font-weight: 800;
    text-decoration: none;
}

.split-section,
.section--accent,
.book-panel,
.contact-layout,
.pricing-grid {
    display: grid;
    gap: 26px;
}

.split-section {
    grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.8fr);
    align-items: start;
}

.section--accent {
    width: min(var(--max), calc(100% - 48px));
    align-items: center;
    border: 1px solid rgba(242, 184, 88, 0.16);
    border-radius: var(--radius);
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 34px;
    background:
        radial-gradient(circle at 90% 0%, rgba(242, 184, 88, 0.12), transparent 18rem),
        linear-gradient(180deg, rgba(240, 247, 255, 0.055), rgba(240, 247, 255, 0.02)),
        var(--surface);
}

.standard-list,
.check-list,
.intake-list {
    display: grid;
    gap: 12px;
}

.check-list p,
.intake-list p {
    margin: 0;
    border-left: 3px solid var(--cyan);
    border-radius: var(--radius);
    background: rgba(240, 247, 255, 0.045);
    color: var(--muted-strong);
    padding: 14px 16px;
}

.offer-stack {
    display: grid;
    gap: 18px;
}

.offer {
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 26px;
    padding: 28px;
}

.offer aside {
    align-self: start;
    border: 1px solid rgba(53, 216, 255, 0.16);
    border-radius: var(--radius);
    background: rgba(5, 8, 19, 0.44);
    padding: 18px;
}

.offer aside strong,
.offer aside span {
    display: block;
}

.offer aside strong {
    color: var(--gold);
    font-family: "IBM Plex Mono", monospace;
    font-size: 1.28rem;
}

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

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

.pricing-grid strong {
    display: block;
    color: var(--gold);
    font-family: "IBM Plex Mono", monospace;
    font-size: 1.8rem;
    line-height: 1.15;
    margin: 10px 0 12px;
}

.timeline {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.timeline article {
    position: relative;
    overflow: hidden;
    padding: 22px;
}

.timeline h2 {
    font-size: clamp(2.35rem, 3.7vw, 3.45rem);
    line-height: 1;
    margin-bottom: 42px;
}

.timeline span {
    display: block;
    color: var(--gold);
    font-family: "IBM Plex Mono", monospace;
    font-weight: 900;
    margin-bottom: 22px;
}

.book-panel {
    align-items: center;
    grid-template-columns: minmax(0, 1fr) 300px;
    padding: 32px;
}

.book-cover {
    width: 100%;
    max-height: 460px;
    justify-self: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-soft);
    box-shadow: var(--shadow);
    object-fit: contain;
}

.book-cover--small {
    max-width: 190px;
}

.book-details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 24px 0 0;
}

.book-details div {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(5, 8, 19, 0.44);
    padding: 14px;
}

.book-details dt {
    color: var(--cyan);
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
}

.book-details dd {
    color: var(--ink);
    font-weight: 800;
    margin: 4px 0 0;
}

.book-author-callout {
    align-items: center;
    display: grid;
    gap: 26px;
    grid-template-columns: 220px minmax(0, 1fr);
    padding: 28px;
}

.post-list {
    display: grid;
    gap: 16px;
}

.contact-layout {
    display: grid;
}

.contact-card,
.contact-standards {
    padding: 28px;
}

.contact-card .button {
    margin-top: 22px;
}

.site-footer {
    flex: 0 0 auto;
    align-items: center;
    display: flex;
    justify-content: space-between;
    gap: 18px;
    border-top: 1px solid rgba(145, 210, 255, 0.12);
    margin-top: 84px;
    padding: 30px 0 38px;
}

.site-footer__brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.site-footer img {
    width: 42px;
    filter: drop-shadow(0 0 14px rgba(53, 216, 255, 0.18));
}

.site-footer strong,
.site-footer span,
.site-footer small {
    display: block;
}

.site-footer span,
.site-footer small {
    color: var(--muted);
}

.site-footer small {
    font-size: 0.78rem;
}

.site-footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.site-footer a {
    color: var(--muted);
    font-weight: 700;
    text-decoration: none;
}

.site-footer a:hover {
    color: var(--ink);
}

#blazor-error-ui {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    left: 1rem;
    z-index: 1000;
    display: none;
    max-width: 760px;
    margin-inline: auto;
    border: 1px solid rgba(255, 157, 63, 0.38);
    border-radius: var(--radius);
    background: #211507;
    box-shadow: var(--shadow);
    color: var(--ink);
    padding: 0.9rem 1.25rem;
}

#blazor-error-ui .dismiss {
    position: absolute;
    right: 1rem;
    cursor: pointer;
}

@media (max-width: 980px) {
    .site-header {
        align-items: center;
        gap: 14px;
    }

    .brand__text {
        display: none;
    }

    .brand__mark {
        width: 42px;
    }

    .site-nav {
        display: none;
    }

    .mobile-quick-nav {
        display: flex;
        align-items: center;
        justify-content: flex-end;
        gap: 6px;
        margin-left: auto;
    }

    .mobile-quick-nav a {
        min-height: 38px;
        display: inline-flex;
        align-items: center;
        border: 1px solid transparent;
        border-radius: var(--radius);
        color: var(--muted);
        font-size: 0.84rem;
        font-weight: 800;
        padding: 0 10px;
        text-decoration: none;
    }

    .mobile-quick-nav a:hover,
    .mobile-quick-nav a.active {
        border-color: rgba(53, 216, 255, 0.18);
        background: rgba(53, 216, 255, 0.055);
        color: var(--ink);
    }

    .mobile-menu-button {
        position: relative;
        z-index: 35;
        display: inline-grid;
        place-items: center;
        gap: 5px;
        width: 42px;
        height: 38px;
        border: 1px solid rgba(53, 216, 255, 0.4);
        border-radius: var(--radius);
        background:
            linear-gradient(180deg, rgba(53, 216, 255, 0.12), rgba(53, 216, 255, 0.04)),
            rgba(3, 10, 24, 0.92);
        box-shadow: var(--glow-cyan);
        cursor: pointer;
    }

    .mobile-menu-button span {
        width: 17px;
        height: 2px;
        border-radius: 999px;
        background: var(--cyan-soft);
        transition:
            opacity 150ms ease,
            transform 150ms ease;
    }

    .mobile-drawer {
        position: fixed;
        top: 78px;
        right: 18px;
        z-index: 34;
        display: grid;
        width: min(320px, calc(100vw - 36px));
        max-height: calc(100vh - 96px);
        overflow: auto;
        border: 1px solid rgba(53, 216, 255, 0.3);
        border-radius: var(--radius);
        background:
            radial-gradient(circle at 88% 0%, rgba(53, 216, 255, 0.16), transparent 14rem),
            linear-gradient(180deg, rgba(13, 28, 55, 0.98), rgba(5, 8, 19, 0.98));
        box-shadow:
            0 24px 80px rgba(0, 0, 0, 0.42),
            var(--glow-cyan);
        padding: 10px;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-8px);
        transition:
            opacity 160ms ease,
            transform 160ms ease;
    }

    .mobile-drawer a {
        min-height: 44px;
        display: flex;
        align-items: center;
        border: 1px solid transparent;
        border-radius: var(--radius);
        color: var(--muted);
        font-size: 0.92rem;
        font-weight: 800;
        padding: 0 12px;
        text-decoration: none;
    }

    .mobile-drawer a:hover,
    .mobile-drawer a.active {
        border-color: rgba(53, 216, 255, 0.2);
        background: rgba(53, 216, 255, 0.06);
        color: var(--ink);
    }

    .mobile-drawer .nav-cta {
        border-color: rgba(53, 216, 255, 0.4);
        color: #8beaff;
    }

    .mobile-nav-backdrop {
        position: fixed;
        inset: 0;
        z-index: 30;
        display: block;
        background: rgba(0, 0, 0, 0.28);
        opacity: 0;
        pointer-events: none;
        transition: opacity 160ms ease;
    }

    .mobile-nav-toggle:checked ~ .mobile-nav-backdrop {
        opacity: 1;
        pointer-events: auto;
    }

    .mobile-nav-toggle:checked ~ .mobile-drawer {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .mobile-nav-toggle:checked ~ .mobile-menu-button span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .mobile-nav-toggle:checked ~ .mobile-menu-button span:nth-child(2) {
        opacity: 0;
    }

    .mobile-nav-toggle:checked ~ .mobile-menu-button span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .hero,
    .about-heading,
    .split-section,
    .section--accent,
    .book-panel,
    .book-author-callout,
    .contact-layout,
    .offer,
    .pricing-grid,
    .timeline,
    .card-grid--three,
    .card-grid--two {
        grid-template-columns: 1fr;
    }

    .hero {
        min-height: auto;
        padding-top: 54px;
    }

    .author-profile {
        justify-self: start;
    }

    .author-avatar {
        width: 118px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .type-text {
        width: auto;
        animation: none;
    }

    .type-text--stable {
        clip-path: none;
    }

    .terminal-cursor,
    .type-text--final::after {
        display: none;
    }

    .terminal-check {
        opacity: 1;
        animation: none;
    }

    .button:hover {
        transform: none;
    }
}

@media (max-width: 680px) {
    .site-footer,
    main > section {
        width: min(var(--max), calc(100% - 28px));
    }

    .site-header {
        width: 100%;
        padding-inline: 14px;
    }

    h1 {
        font-size: clamp(3rem, 13vw, 4.2rem);
    }

    .book-title {
        font-size: clamp(2.05rem, 9.2vw, 3.55rem);
    }

    h2 {
        font-size: 2.1rem;
    }

    .brand {
        align-items: center;
    }

    .hero__panel div,
    .standard-list div {
        align-items: flex-start;
    }

    .hero__panel div {
        flex-direction: column;
    }

    .standard-list div {
        grid-template-columns: 1fr;
    }

    .section--accent,
    .book-panel,
    .book-author-callout,
    .contact-card,
    .contact-standards,
    .offer,
    .pricing-grid article,
    .info-card,
    .service-card,
    .post-list article {
        padding: 20px;
    }

    .book-details {
        grid-template-columns: 1fr;
    }

    .contact-card .button {
        width: 100%;
        justify-content: center;
    }

    .terminal-message--desktop {
        display: none;
    }

    .terminal-message--mobile {
        display: contents;
    }

    .terminal-message__first {
        grid-column: 2;
        min-width: 0;
    }

    .terminal-message__continued {
        grid-column: 1 / -1;
        min-width: 0;
    }

    .site-footer,
    .site-footer__brand {
        align-items: center;
    }

    .site-footer {
        flex-direction: column;
        gap: 18px;
        margin-top: 58px;
        padding: 24px 0 30px;
    }

    .site-footer__brand {
        order: 2;
        justify-content: center;
        text-align: center;
        width: 100%;
    }

    .site-footer small {
        line-height: 1.45;
    }

    .site-footer__links {
        order: 1;
        justify-content: center;
        gap: 8px 16px;
        width: 100%;
    }

    .site-footer__links a {
        min-height: 30px;
        display: flex;
        align-items: center;
        border: 0;
        border-radius: var(--radius);
        background: transparent;
        color: var(--muted);
        font-size: 0.86rem;
        padding: 0;
    }
}

@media (max-width: 430px) {
    .mobile-quick-nav a:first-child {
        display: none;
    }

    .mobile-quick-nav a {
        min-height: 36px;
        padding-inline: 8px;
    }

    .mobile-drawer {
        top: 72px;
        right: 14px;
        width: calc(100vw - 28px);
    }
}