@font-face {
    font-family: "Manrope";
    font-style: normal;
    font-weight: 400 800;
    font-display: swap;
    src: url("../fonts/manrope-vietnamese.woff2") format("woff2");
    unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

@font-face {
    font-family: "Manrope";
    font-style: normal;
    font-weight: 400 800;
    font-display: swap;
    src: url("../fonts/manrope-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: "Newsreader";
    font-style: normal;
    font-weight: 400 600;
    font-display: swap;
    src: url("../fonts/newsreader-vietnamese.woff2") format("woff2");
    unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

@font-face {
    font-family: "Newsreader";
    font-style: normal;
    font-weight: 400 600;
    font-display: swap;
    src: url("../fonts/newsreader-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;
}

:root {
    --paper: #f3efe4;
    --paper-deep: #e9e1d1;
    --ink: #12231d;
    --ink-soft: #3f5149;
    --night: #0b1814;
    --night-soft: #13251f;
    --blue: #155eef;
    --blue-dark: #0b3aa3;
    --lime: #c8ff4d;
    --orange: #ef6b35;
    --white: #fffdf7;
    --line: rgba(18, 35, 29, 0.17);
    --line-light: rgba(255, 253, 247, 0.17);
    --shadow: 0 24px 70px rgba(22, 42, 34, 0.14);
    --radius-sm: 12px;
    --radius-md: 22px;
    --radius-lg: 34px;
    --container: min(1180px, calc(100vw - 40px));
    --display: "Newsreader", Georgia, serif;
    --sans: "Manrope", sans-serif;
    --mono: "Cascadia Code", "JetBrains Mono", monospace;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 92px;
}

body {
    margin: 0;
    min-width: 320px;
    color: var(--ink);
    background:
        radial-gradient(circle at 13% 8%, rgba(200, 255, 77, 0.26), transparent 23rem),
        linear-gradient(90deg, rgba(18, 35, 29, 0.035) 1px, transparent 1px),
        linear-gradient(rgba(18, 35, 29, 0.035) 1px, transparent 1px),
        var(--paper);
    background-size: auto, 40px 40px, 40px 40px, auto;
    font-family: var(--sans);
    font-optical-sizing: auto;
    font-size: 16px;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.menu-open,
body.dialog-open {
    overflow: hidden;
}

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

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

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

button,
summary,
a {
    -webkit-tap-highlight-color: transparent;
}

:focus-visible {
    outline: 3px solid var(--orange);
    outline-offset: 4px;
}

::selection {
    color: var(--night);
    background: var(--lime);
}

.skip-link {
    position: fixed;
    z-index: 2000;
    top: 12px;
    left: 12px;
    padding: 12px 18px;
    color: var(--white);
    background: var(--night);
    border-radius: 8px;
    transform: translateY(-160%);
    transition: transform 180ms ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.container {
    width: var(--container);
    margin-inline: auto;
}

.section {
    position: relative;
    padding: 112px 0;
}

.section-kicker,
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 18px;
    color: var(--blue-dark);
    font-family: var(--mono);
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.09em;
    line-height: 1.4;
    text-transform: uppercase;
}

.section-kicker::before,
.eyebrow::before {
    width: 28px;
    height: 2px;
    content: "";
    background: currentColor;
}

.section-heading {
    max-width: 850px;
    margin: 0;
    font-family: var(--display);
    font-size: clamp(2.55rem, 5vw, 5.2rem);
    font-weight: 600;
    letter-spacing: -0.045em;
    line-height: 0.98;
}

.section-heading em {
    color: var(--blue);
    font-weight: 400;
}

.section-lead {
    max-width: 680px;
    margin: 28px 0 0;
    color: var(--ink-soft);
    font-size: clamp(1rem, 1.5vw, 1.18rem);
}

.site-header {
    position: sticky;
    z-index: 1000;
    top: 0;
    border-bottom: 1px solid transparent;
    transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
    border-color: var(--line);
    background: rgba(243, 239, 228, 0.92);
    box-shadow: 0 8px 30px rgba(18, 35, 29, 0.06);
    backdrop-filter: blur(18px);
}

.nav-shell {
    display: flex;
    min-height: 78px;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    gap: 11px;
    font-size: 1.12rem;
    font-weight: 800;
    letter-spacing: -0.035em;
}

.brand-mark {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    color: var(--white);
    background: var(--ink);
    border-radius: 11px 4px 11px 4px;
    font-family: var(--mono);
    font-size: 0.92rem;
}

.brand-status {
    width: 7px;
    height: 7px;
    margin-left: -5px;
    background: var(--lime);
    border: 1px solid var(--ink);
    border-radius: 50%;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-menu > a,
.nav-menu > button:not(.nav-cta) {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    padding: 0 13px;
    border: 0;
    color: var(--ink-soft);
    background: transparent;
    font-size: 0.86rem;
    font-weight: 700;
    cursor: pointer;
}

.nav-menu > a:hover,
.nav-menu > button:not(.nav-cta):hover {
    color: var(--ink);
}

.nav-cta,
.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 20px;
    border: 1px solid var(--ink);
    border-radius: 999px;
    font-weight: 800;
    line-height: 1.2;
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease, color 180ms ease, background 180ms ease;
}

.nav-cta {
    min-height: 46px;
    padding: 10px 17px;
    color: var(--white);
    background: var(--ink);
    font-size: 0.84rem;
}

.button:hover,
.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(18, 35, 29, 0.16);
}

.button-primary {
    color: var(--white);
    background: var(--blue);
    border-color: var(--blue);
}

.button-secondary {
    color: var(--ink);
    background: rgba(255, 253, 247, 0.62);
}

.button-dark {
    color: var(--night);
    background: var(--lime);
    border-color: var(--lime);
}

.button-small {
    min-height: 44px;
    padding: 9px 16px;
    font-size: 0.84rem;
}

.language-switch {
    display: flex;
    padding: 3px;
    border: 1px solid var(--line);
    border-radius: 999px;
}

.language-switch button {
    min-width: 44px;
    min-height: 44px;
    padding: 0;
    border-radius: 999px;
}

.language-switch button[aria-pressed="true"] {
    color: var(--white);
    background: var(--ink);
}

.menu-toggle {
    display: none;
    width: 48px;
    height: 48px;
    padding: 12px;
    border: 1px solid var(--line);
    background: rgba(255, 253, 247, 0.64);
    border-radius: 50%;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    margin: 5px 0;
    background: var(--ink);
    transition: transform 180ms ease, opacity 180ms ease;
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 82px 0 74px;
}

.hero::after {
    position: absolute;
    z-index: -1;
    top: -170px;
    right: -180px;
    width: 520px;
    height: 520px;
    content: "";
    border: 92px solid rgba(21, 94, 239, 0.1);
    border-radius: 50%;
}

.hero-grid {
    display: grid;
    align-items: center;
    gap: clamp(44px, 7vw, 94px);
    grid-template-columns: minmax(0, 1.06fr) minmax(380px, 0.94fr);
}

.hero-copy {
    animation: rise-in 650ms cubic-bezier(0.2, 0.75, 0.25, 1) both;
}

.hero h1 {
    max-width: 780px;
    margin: 0;
    font-family: var(--display);
    font-size: clamp(3.9rem, 7.1vw, 7.7rem);
    font-weight: 600;
    letter-spacing: -0.065em;
    line-height: 0.84;
}

.hero h1 .signal {
    position: relative;
    z-index: 0;
    display: inline-block;
    color: var(--blue);
    font-weight: 400;
}

.hero h1 .signal::after {
    position: absolute;
    z-index: -1;
    right: -4px;
    bottom: 0.05em;
    left: -4px;
    height: 0.16em;
    content: "";
    background: var(--lime);
    transform: rotate(-1.5deg);
}

.hero-lead {
    max-width: 650px;
    margin: 32px 0 0;
    color: var(--ink-soft);
    font-size: clamp(1.06rem, 1.7vw, 1.26rem);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.trust-line {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin: 32px 0 0;
    padding: 0;
    color: var(--ink-soft);
    font-size: 0.82rem;
    font-weight: 700;
    list-style: none;
}

.trust-line li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.trust-line li::before {
    width: 8px;
    height: 8px;
    content: "";
    background: var(--blue);
    border-radius: 50%;
}

.system-window {
    position: relative;
    overflow: hidden;
    min-height: 570px;
    padding: 18px;
    color: var(--white);
    background:
        radial-gradient(circle at 90% 12%, rgba(200, 255, 77, 0.16), transparent 13rem),
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        var(--night);
    background-size: auto, 28px 28px, 28px 28px, auto;
    border: 1px solid rgba(18, 35, 29, 0.3);
    border-radius: 28px 28px 100px 28px;
    box-shadow: var(--shadow);
    animation: rise-in 760ms 100ms cubic-bezier(0.2, 0.75, 0.25, 1) both;
}

.window-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 4px 18px;
    color: rgba(255, 253, 247, 0.64);
    font-family: var(--mono);
    font-size: 0.72rem;
}

.window-dots {
    display: flex;
    gap: 6px;
}

.window-dots span {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 50%;
}

.window-dots span:first-child {
    background: var(--lime);
}

.system-core {
    display: grid;
    min-height: 300px;
    place-items: center;
    padding: 28px;
    border: 1px solid var(--line-light);
    background: rgba(255, 255, 255, 0.035);
    border-radius: 18px;
}

.core-ring {
    position: relative;
    display: grid;
    width: 210px;
    height: 210px;
    place-items: center;
    border: 1px solid rgba(200, 255, 77, 0.42);
    border-radius: 50%;
}

.core-ring::before,
.core-ring::after {
    position: absolute;
    content: "";
    border: 1px dashed rgba(255, 253, 247, 0.19);
    border-radius: 50%;
}

.core-ring::before {
    width: 160px;
    height: 160px;
}

.core-ring::after {
    width: 260px;
    height: 260px;
}

.core-label {
    display: grid;
    width: 106px;
    height: 106px;
    place-items: center;
    color: var(--night);
    background: var(--lime);
    border-radius: 50%;
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-align: center;
    text-transform: uppercase;
}

.system-events {
    display: grid;
    gap: 9px;
    margin-top: 14px;
}

.event-row {
    display: grid;
    min-height: 54px;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border: 1px solid var(--line-light);
    background: rgba(255, 255, 255, 0.035);
    border-radius: 12px;
    grid-template-columns: auto 1fr auto;
}

.event-index,
.event-state {
    font-family: var(--mono);
    font-size: 0.68rem;
}

.event-index {
    color: var(--lime);
}

.event-name {
    font-size: 0.82rem;
    font-weight: 700;
}

.event-state {
    color: rgba(255, 253, 247, 0.58);
}

.proof-strip {
    border-block: 1px solid var(--line);
    background: rgba(255, 253, 247, 0.52);
}

.proof-strip-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.proof-strip-item {
    min-height: 112px;
    padding: 26px 22px;
    border-right: 1px solid var(--line);
}

.proof-strip-item:first-child {
    border-left: 1px solid var(--line);
}

.proof-strip-item span {
    display: block;
    color: var(--blue-dark);
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.proof-strip-item strong {
    display: block;
    margin-top: 5px;
    font-size: 0.92rem;
}

.operating-layout {
    display: grid;
    align-items: start;
    gap: 70px;
    grid-template-columns: 0.84fr 1.16fr;
}

.sticky-heading {
    position: sticky;
    top: 118px;
}

.operation-stack {
    counter-reset: operation;
}

.operation-step {
    position: relative;
    display: grid;
    min-height: 188px;
    align-items: start;
    gap: 22px;
    padding: 30px 0;
    border-top: 1px solid var(--line);
    counter-increment: operation;
    grid-template-columns: 66px 1fr;
}

.operation-step:last-child {
    border-bottom: 1px solid var(--line);
}

.operation-step::before {
    display: grid;
    width: 50px;
    height: 50px;
    place-items: center;
    content: "0" counter(operation);
    color: var(--white);
    background: var(--blue);
    border-radius: 50%;
    font-family: var(--mono);
    font-size: 0.72rem;
}

.operation-step:nth-child(2)::before {
    color: var(--night);
    background: var(--lime);
}

.operation-step:nth-child(3)::before {
    background: var(--orange);
}

.operation-step:nth-child(4)::before {
    background: var(--ink);
}

.operation-step h3 {
    margin: 0;
    font-family: var(--display);
    font-size: clamp(1.8rem, 3vw, 2.7rem);
    letter-spacing: -0.035em;
    line-height: 1;
}

.operation-step p {
    margin: 14px 0 0;
    color: var(--ink-soft);
}

.product-section {
    overflow: hidden;
    color: var(--white);
    background: var(--night);
}

.product-section .section-kicker,
.product-section .section-lead {
    color: rgba(255, 253, 247, 0.68);
}

.product-section .section-heading em {
    color: var(--lime);
}

.product-grid {
    display: grid;
    gap: 16px;
    margin-top: 58px;
    grid-template-columns: repeat(12, 1fr);
}

.product-card {
    position: relative;
    overflow: hidden;
    min-height: 430px;
    padding: 34px;
    border: 1px solid var(--line-light);
    border-radius: var(--radius-md);
}

.product-card:nth-child(1) {
    background: var(--blue);
    grid-column: span 5;
}

.product-card:nth-child(2) {
    color: var(--night);
    background: var(--lime);
    grid-column: span 7;
}

.product-card:nth-child(3) {
    min-height: 360px;
    background: var(--night-soft);
    grid-column: 4 / span 7;
}

.product-number {
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
}

.product-card h3 {
    margin: 76px 0 0;
    font-family: var(--display);
    font-size: clamp(3rem, 5vw, 5.7rem);
    font-weight: 600;
    letter-spacing: -0.06em;
    line-height: 0.85;
}

.product-card p {
    max-width: 540px;
    margin: 25px 0 0;
    opacity: 0.78;
}

.product-card ul {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.product-card li {
    padding: 7px 11px;
    border: 1px solid currentColor;
    border-radius: 999px;
    font-family: var(--mono);
    font-size: 0.66rem;
    opacity: 0.75;
}

.product-link {
    position: absolute;
    right: 26px;
    bottom: 26px;
    display: grid;
    width: 52px;
    height: 52px;
    place-items: center;
    border: 1px solid currentColor;
    border-radius: 50%;
    font-size: 1.35rem;
    transition: transform 180ms ease, background 180ms ease;
}

.product-link:hover {
    background: rgba(255, 255, 255, 0.14);
    transform: rotate(-12deg);
}

.product-actions {
    display: flex;
    justify-content: center;
    margin-top: 36px;
}

.product-actions .button {
    min-width: 230px;
}

.evidence-grid {
    display: grid;
    align-items: start;
    gap: 64px;
    grid-template-columns: 1fr 1fr;
}

.artifact-board {
    display: grid;
    overflow: hidden;
    border: 1px solid var(--ink);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: 16px 16px 0 var(--ink);
}

.artifact-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    color: var(--white);
    background: var(--ink);
    font-family: var(--mono);
    font-size: 0.72rem;
}

.artifact-row {
    display: grid;
    min-height: 92px;
    align-items: center;
    gap: 18px;
    padding: 18px 20px;
    border-bottom: 1px solid var(--line);
    grid-template-columns: 44px 1fr auto;
}

.artifact-row:last-child {
    border-bottom: 0;
}

.artifact-icon {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    color: var(--white);
    background: var(--blue);
    border-radius: 10px;
    font-family: var(--mono);
    font-size: 0.72rem;
}

.artifact-row:nth-child(3) .artifact-icon {
    color: var(--night);
    background: var(--lime);
}

.artifact-row:nth-child(4) .artifact-icon {
    background: var(--orange);
}

.artifact-row:nth-child(5) .artifact-icon {
    background: var(--ink);
}

.artifact-row strong,
.artifact-row small {
    display: block;
}

.artifact-row small {
    margin-top: 3px;
    color: var(--ink-soft);
}

.artifact-state {
    color: var(--blue-dark);
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 700;
}

.principle-list {
    display: grid;
    gap: 0;
    margin-top: 35px;
}

.principle {
    padding: 22px 0;
    border-top: 1px solid var(--line);
}

.principle:last-child {
    border-bottom: 1px solid var(--line);
}

.principle h3 {
    margin: 0;
    font-size: 1rem;
}

.principle p {
    margin: 8px 0 0;
    color: var(--ink-soft);
}

.engagement-section {
    background: var(--paper-deep);
}

.engagement-grid {
    display: grid;
    gap: 14px;
    margin-top: 58px;
    grid-template-columns: repeat(4, 1fr);
}

.engagement-card {
    position: relative;
    min-height: 340px;
    padding: 26px;
    border: 1px solid var(--line);
    background: rgba(255, 253, 247, 0.42);
    border-radius: 100px 16px 16px 16px;
}

.engagement-card:nth-child(even) {
    border-radius: 16px 16px 100px 16px;
}

.engagement-card span {
    color: var(--blue-dark);
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 700;
}

.engagement-card h3 {
    margin: 78px 0 0;
    font-family: var(--display);
    font-size: 2.2rem;
    letter-spacing: -0.04em;
    line-height: 1;
}

.engagement-card p {
    margin: 18px 0 0;
    color: var(--ink-soft);
    font-size: 0.9rem;
}

.evaluator-shell {
    display: grid;
    overflow: hidden;
    color: var(--white);
    background: var(--blue);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    grid-template-columns: 0.85fr 1.15fr;
}

.evaluator-intro {
    padding: clamp(36px, 6vw, 72px);
    background:
        radial-gradient(circle at 10% 100%, rgba(200, 255, 77, 0.22), transparent 17rem),
        var(--blue-dark);
}

.evaluator-intro .section-kicker {
    color: var(--lime);
}

.evaluator-intro h2 {
    margin: 0;
    font-family: var(--display);
    font-size: clamp(2.5rem, 5vw, 4.7rem);
    letter-spacing: -0.05em;
    line-height: 0.93;
}

.evaluator-intro p {
    color: rgba(255, 253, 247, 0.72);
}

.evaluator-form {
    display: grid;
    gap: 28px;
    padding: clamp(34px, 6vw, 70px);
}

.question-block {
    margin: 0;
    padding: 0;
    border: 0;
}

.question-block legend {
    margin-bottom: 12px;
    font-weight: 800;
}

.choice-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.choice-row label {
    position: relative;
    cursor: pointer;
}

.choice-row input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.choice-row span {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    padding: 9px 14px;
    border: 1px solid rgba(255, 255, 255, 0.36);
    border-radius: 999px;
    font-size: 0.83rem;
    font-weight: 700;
}

.choice-row input:checked + span {
    color: var(--night);
    background: var(--lime);
    border-color: var(--lime);
}

.choice-row input:focus-visible + span {
    outline: 3px solid var(--lime);
    outline-offset: 3px;
}

.evaluator-result {
    display: none;
    padding: 20px;
    color: var(--night);
    background: var(--lime);
    border-radius: var(--radius-sm);
}

.evaluator-result.is-visible {
    display: block;
}

.evaluator-result strong {
    display: block;
    font-family: var(--display);
    font-size: 1.55rem;
    line-height: 1.1;
}

.evaluator-result p {
    margin: 8px 0 0;
}

.founder-grid {
    display: grid;
    align-items: center;
    gap: clamp(48px, 8vw, 100px);
    grid-template-columns: minmax(310px, 0.8fr) 1.2fr;
}

.founder-portrait {
    position: relative;
}

.founder-portrait::before {
    position: absolute;
    z-index: -1;
    right: -22px;
    bottom: -22px;
    width: 78%;
    height: 78%;
    content: "";
    background: var(--lime);
    border-radius: 18px 18px 100px 18px;
}

.founder-portrait img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border: 1px solid var(--ink);
    border-radius: 18px 18px 100px 18px;
    filter: saturate(0.78) contrast(1.04);
}

.founder-copy blockquote {
    margin: 32px 0;
    padding-left: 26px;
    border-left: 4px solid var(--blue);
    font-family: var(--display);
    font-size: clamp(1.65rem, 3vw, 2.75rem);
    letter-spacing: -0.035em;
    line-height: 1.18;
}

.founder-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 26px;
}

.founder-meta span {
    padding: 8px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-family: var(--mono);
    font-size: 0.68rem;
}

.insight-grid {
    display: grid;
    gap: 16px;
    margin-top: 50px;
    grid-template-columns: repeat(3, 1fr);
}

.insight-card {
    display: flex;
    min-height: 310px;
    flex-direction: column;
    justify-content: space-between;
    padding: 27px;
    border: 1px solid var(--line);
    background: rgba(255, 253, 247, 0.54);
    border-radius: var(--radius-md);
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.insight-card:hover {
    box-shadow: 0 18px 44px rgba(18, 35, 29, 0.1);
    transform: translateY(-5px);
}

.insight-card span {
    color: var(--blue-dark);
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.insight-card h3 {
    margin: 70px 0 0;
    font-family: var(--display);
    font-size: 2rem;
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.insight-card p {
    margin: 14px 0 0;
    color: var(--ink-soft);
    font-size: 0.9rem;
}

.insight-card strong {
    margin-top: 24px;
    font-size: 0.85rem;
}

.contact-section {
    padding: 0 0 112px;
}

.contact-shell {
    position: relative;
    overflow: hidden;
    padding: clamp(42px, 7vw, 86px);
    color: var(--white);
    background: var(--night);
    border-radius: var(--radius-lg);
}

.contact-shell::after {
    position: absolute;
    right: -90px;
    bottom: -140px;
    width: 340px;
    height: 340px;
    content: "";
    border: 64px solid var(--blue);
    border-radius: 50%;
}

.contact-content {
    position: relative;
    z-index: 1;
    max-width: 820px;
}

.contact-shell .section-kicker {
    color: var(--lime);
}

.contact-shell h2 {
    margin: 0;
    font-family: var(--display);
    font-size: clamp(3rem, 6vw, 6.5rem);
    letter-spacing: -0.06em;
    line-height: 0.9;
}

.contact-shell p {
    max-width: 620px;
    color: rgba(255, 253, 247, 0.7);
}

.contact-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.site-footer {
    padding: 60px 0 26px;
    border-top: 1px solid var(--line);
}

.footer-grid {
    display: grid;
    gap: 50px;
    grid-template-columns: 1.25fr 0.75fr 1fr;
}

.footer-title {
    margin: 0 0 16px;
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.footer-copy {
    max-width: 470px;
    color: var(--ink-soft);
}

.footer-links {
    display: grid;
    gap: 8px;
}

.footer-links a,
.footer-links button {
    display: flex;
    min-height: 44px;
    align-items: center;
    padding: 0;
    border: 0;
    color: var(--ink-soft);
    background: transparent;
    text-align: left;
    cursor: pointer;
}

.footer-links a:hover,
.footer-links button:hover {
    color: var(--blue-dark);
}

.newsletter-form {
    display: grid;
    gap: 10px;
}

.newsletter-row {
    display: flex;
    gap: 8px;
}

.newsletter-row input {
    min-width: 0;
    flex: 1;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-top: 54px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: 0.78rem;
}

.form-field {
    display: grid;
    gap: 7px;
}

.form-field label,
.form-label {
    font-size: 0.8rem;
    font-weight: 800;
}

.form-field input,
.form-field select,
.form-field textarea,
.newsletter-row input {
    width: 100%;
    min-height: 50px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    color: var(--ink);
    background: var(--white);
    border-radius: 10px;
}

.form-field textarea {
    min-height: 116px;
    resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus,
.newsletter-row input:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(21, 94, 239, 0.13);
    outline: 0;
}

.honeypot {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    clip: rect(0 0 0 0) !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
}

.form-status {
    min-height: 24px;
    margin: 4px 0 0;
    font-size: 0.82rem;
}

.form-status[data-state="success"] {
    color: #217239;
}

.form-status[data-state="error"] {
    color: #b42318;
}

.consultation-dialog {
    width: min(720px, calc(100vw - 28px));
    max-height: min(860px, calc(100vh - 28px));
    margin: auto;
    padding: 0;
    border: 0;
    background: transparent;
}

.consultation-dialog::backdrop {
    background: rgba(4, 14, 11, 0.72);
    backdrop-filter: blur(8px);
}

.dialog-card {
    position: relative;
    overflow: auto;
    max-height: min(860px, calc(100vh - 28px));
    padding: clamp(28px, 5vw, 50px);
    background: var(--paper);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
}

.dialog-close {
    position: absolute;
    top: 18px;
    right: 18px;
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border: 1px solid var(--line);
    background: var(--white);
    border-radius: 50%;
    cursor: pointer;
}

.dialog-card h2 {
    max-width: 540px;
    margin: 0;
    padding-right: 48px;
    font-family: var(--display);
    font-size: clamp(2.3rem, 6vw, 4rem);
    letter-spacing: -0.05em;
    line-height: 0.96;
}

.dialog-card > p {
    color: var(--ink-soft);
}

.consultation-form {
    display: grid;
    gap: 16px;
    margin-top: 28px;
}

.form-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: 1fr 1fr;
}

.consent-note {
    margin: 0;
    color: var(--ink-soft);
    font-size: 0.74rem;
}

.cookie-banner {
    position: fixed;
    z-index: 1600;
    right: 18px;
    bottom: 18px;
    display: none;
    width: min(440px, calc(100vw - 36px));
    padding: 22px;
    color: var(--white);
    background: var(--night);
    border: 1px solid var(--line-light);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.cookie-banner.is-visible {
    display: block;
    animation: rise-in 350ms ease both;
}

.cookie-banner p {
    margin: 0;
    color: rgba(255, 253, 247, 0.74);
    font-size: 0.86rem;
}

.cookie-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.cookie-actions button {
    min-height: 44px;
    padding: 9px 14px;
    border: 1px solid rgba(255, 255, 255, 0.38);
    color: var(--white);
    background: transparent;
    border-radius: 999px;
    font-weight: 800;
    cursor: pointer;
}

.cookie-actions .accept-cookie {
    color: var(--night);
    background: var(--lime);
    border-color: var(--lime);
}

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 620ms ease, transform 620ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

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

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(22px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1050px) {
    .nav-menu {
        position: fixed;
        top: 78px;
        right: 16px;
        left: 16px;
        display: none;
        max-height: calc(100vh - 96px);
        align-items: stretch;
        padding: 18px;
        overflow: auto;
        border: 1px solid var(--line);
        background: var(--paper);
        border-radius: 18px;
        box-shadow: var(--shadow);
    }

    .nav-menu.is-open {
        display: grid;
    }

    .nav-menu > a,
    .nav-menu > button:not(.nav-cta) {
        justify-content: flex-start;
        min-height: 48px;
        padding: 0 10px;
    }

    .nav-cta {
        margin-top: 8px;
    }

    .language-switch {
        width: max-content;
        margin-top: 8px;
    }

    .menu-toggle {
        display: block;
    }

    .hero-grid,
    .operating-layout,
    .evidence-grid,
    .founder-grid {
        grid-template-columns: 1fr;
    }

    .hero-copy {
        max-width: 820px;
    }

    .system-window {
        width: min(690px, 100%);
        min-height: 520px;
    }

    .sticky-heading {
        position: static;
    }

    .product-card:nth-child(1),
    .product-card:nth-child(2) {
        grid-column: span 6;
    }

    .product-card:nth-child(3) {
        grid-column: 2 / span 10;
    }

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

    .evaluator-shell {
        grid-template-columns: 1fr;
    }

    .founder-portrait {
        width: min(520px, calc(100% - 24px));
    }
}

@media (max-width: 760px) {
    :root {
        --container: min(100% - 28px, 1180px);
    }

    html {
        scroll-padding-top: 80px;
    }

    .section {
        padding: 78px 0;
    }

    .nav-shell {
        min-height: 70px;
    }

    .nav-menu {
        top: 70px;
    }

    .hero {
        padding: 52px 0 56px;
    }

    .hero-grid {
        gap: 42px;
    }

    .hero h1 {
        font-size: clamp(3.5rem, 18vw, 5.8rem);
    }

    .hero-actions,
    .contact-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .hero-actions .button,
    .contact-actions .button {
        width: 100%;
    }

    .system-window {
        min-height: auto;
        padding: 12px;
        border-radius: 20px 20px 64px 20px;
    }

    .system-core {
        min-height: 270px;
        padding: 18px;
    }

    .core-ring {
        width: 168px;
        height: 168px;
    }

    .core-ring::before {
        width: 126px;
        height: 126px;
    }

    .core-ring::after {
        width: 212px;
        height: 212px;
    }

    .core-label {
        width: 92px;
        height: 92px;
    }

    .event-row {
        grid-template-columns: auto 1fr;
    }

    .event-state {
        display: none;
    }

    .proof-strip-inner {
        grid-template-columns: 1fr 1fr;
    }

    .proof-strip-item:nth-child(odd) {
        border-left: 1px solid var(--line);
    }

    .proof-strip-item:nth-child(n + 3) {
        border-top: 1px solid var(--line);
    }

    .operation-step {
        grid-template-columns: 54px 1fr;
    }

    .product-grid,
    .engagement-grid,
    .insight-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .product-card:nth-child(1),
    .product-card:nth-child(2),
    .product-card:nth-child(3) {
        min-height: 380px;
        grid-column: auto;
    }

    .product-card h3 {
        margin-top: 60px;
    }

    .artifact-board {
        box-shadow: 8px 8px 0 var(--ink);
    }

    .artifact-row {
        grid-template-columns: 40px 1fr;
    }

    .artifact-state {
        display: none;
    }

    .engagement-card {
        min-height: 290px;
    }

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

    .newsletter-row,
    .footer-bottom {
        align-items: stretch;
        flex-direction: column;
    }

    .newsletter-row .button {
        width: 100%;
    }

    .contact-section {
        padding-bottom: 78px;
    }

    .contact-shell {
        border-radius: 24px;
    }

    .contact-shell::after {
        opacity: 0.5;
    }
}

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

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

    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ==========================================================================
   HIMITEK 2026 KAIZEN PREMIUM DESIGN POLISH & INTERACTIVE ELEMENTS
   ========================================================================== */

/* 1. Tactile Micro-Interactions & Spring Transitions */
.button,
.nav-cta,
.product-card,
.insight-card,
.engagement-card,
.sandbox-btn,
.console-trigger-btn {
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.2s ease,
                background-color 0.2s ease;
}

.button:active,
.nav-cta:active,
.sandbox-btn:active,
.console-trigger-btn:active {
    transform: scale(0.96) translateY(1px);
}

.brand-mark-svg {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.brand:hover .brand-mark-svg {
    transform: rotate(-4deg) scale(1.08);
}

.nav-menu a.is-active {
    color: var(--blue);
    font-weight: 700;
    position: relative;
}

.nav-menu a.is-active::after {
    content: "";
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--lime);
    border-radius: 2px;
}

/* 2. Hero Console Live Simulation Terminal */
.system-window {
    background: #091310;
    border: 1px solid rgba(200, 255, 77, 0.25);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(200, 255, 77, 0.08);
    position: relative;
    overflow: hidden;
}

.window-title {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #e2f0d9;
    font-family: var(--mono);
    font-size: 0.8rem;
}

.console-live-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 6px;
    background: rgba(200, 255, 77, 0.15);
    color: var(--lime);
    border-radius: 4px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--lime);
    box-shadow: 0 0 8px var(--lime);
    animation: livePulse 1.8s ease-in-out infinite;
}

@keyframes livePulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.3; transform: scale(0.7); }
}

.system-events .event-row {
    transition: background 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
    border-left: 3px solid transparent;
}

.system-events .event-row.is-active {
    background: rgba(200, 255, 77, 0.08);
    border-left-color: var(--lime);
}

.event-state {
    font-family: var(--mono);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.state-observed { background: rgba(21, 94, 239, 0.2); color: #60a5fa; }
.state-scored { background: rgba(239, 107, 53, 0.2); color: #f97316; }
.state-approved { background: rgba(200, 255, 77, 0.2); color: var(--lime); }
.state-traceable { background: rgba(168, 85, 247, 0.2); color: #c084fc; }

.console-terminal-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: #050b09;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-family: var(--mono);
    font-size: 0.76rem;
}

.terminal-prefix {
    color: var(--lime);
    font-weight: 700;
}

.terminal-log {
    flex: 1;
    color: #94a3b8;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.console-trigger-btn {
    padding: 4px 10px;
    background: rgba(200, 255, 77, 0.15);
    color: var(--lime);
    border: 1px solid rgba(200, 255, 77, 0.4);
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
}

.console-trigger-btn:hover {
    background: var(--lime);
    color: var(--night);
}

/* 3. Product Cards Polish & HimiGuard Sandbox */
.product-card {
    position: relative;
    border: 1px solid var(--line);
    background: var(--white);
    border-radius: var(--radius-md);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(18, 35, 29, 0.1);
    border-color: rgba(21, 94, 239, 0.4);
}

.guardrail-sandbox {
    margin: 16px 0;
    padding: 12px;
    background: rgba(11, 24, 20, 0.04);
    border: 1px dashed rgba(18, 35, 29, 0.2);
    border-radius: var(--radius-sm);
}

.sandbox-header {
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--ink-soft);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.sandbox-buttons {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.sandbox-btn {
    padding: 4px 10px;
    font-size: 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--line);
    background: var(--white);
    cursor: pointer;
}

.sandbox-btn:hover {
    border-color: var(--blue);
    color: var(--blue);
}

.sandbox-btn-danger:hover {
    border-color: var(--orange);
    color: var(--orange);
}

.sandbox-output {
    padding: 8px 10px;
    background: var(--night);
    color: #e2e8f0;
    border-radius: 6px;
    font-family: var(--mono);
    font-size: 0.72rem;
    min-height: 38px;
    display: flex;
    align-items: center;
}

.sandbox-output.result-pass {
    border-left: 3px solid var(--lime);
    color: #a3e635;
}

.sandbox-output.result-block {
    border-left: 3px solid var(--orange);
    color: #f97316;
}

.sandbox-placeholder {
    color: #64748b;
}

/* 4. Tech Stack & Security Trust Wall */
.tech-trust-wall {
    margin-top: 56px;
    padding: 28px 24px;
    background: rgba(18, 35, 29, 0.03);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    text-align: center;
}

.trust-title {
    font-family: var(--mono);
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
    margin: 0 0 18px;
}

.trust-badges-grid {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.trust-badge-item {
    padding: 6px 14px;
    background: var(--white);
    border: 1px solid rgba(18, 35, 29, 0.12);
    border-radius: 20px;
    font-family: var(--mono);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--night);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

/* 5. Visual Readiness Gauge Score Bar */
.readiness-gauge-bar {
    margin-bottom: 16px;
}

.gauge-track {
    width: 100%;
    height: 10px;
    background: rgba(18, 35, 29, 0.1);
    border-radius: 5px;
    overflow: hidden;
}

.gauge-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--orange), var(--lime));
    transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 5px;
}

.gauge-labels {
    display: flex;
    justify-content: space-between;
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--ink-soft);
    margin-top: 6px;
}

.gauge-score-value {
    font-weight: 700;
    color: var(--blue-dark);
}