:root {
    --paper: #f5faff;
    --paper-warm: #fffdf8;
    --ink: #10223a;
    --ink-soft: #51647b;
    --line: rgba(16, 34, 58, 0.12);
    --cyan: #008fbd;
    --cyan-bright: #14c9e8;
    --violet: #6247d9;
    --white-glass: rgba(255, 255, 255, 0.78);
    --shadow: 0 30px 90px rgba(45, 82, 120, 0.16);
    --font-heading: 'Manrope', sans-serif;
    --font-body: 'Inter', sans-serif;
    --container: 1280px;
    --radius: 28px;
}

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

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

body {
    margin: 0;
    min-width: 320px;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.menu-open {
    overflow: hidden;
}

img {
    max-width: 100%;
}

a {
    color: inherit;
}

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

::selection {
    background: rgba(20, 201, 232, 0.24);
    color: var(--ink);
}

.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;
}

.site-header {
    position: fixed;
    z-index: 100;
    top: 18px;
    left: 50%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(calc(100% - 36px), var(--container));
    min-height: 64px;
    padding: 10px 12px 10px 16px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.72);
    box-shadow: 0 14px 50px rgba(46, 75, 109, 0.09);
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    transform: translateX(-50%);
    transition: background 0.3s ease, box-shadow 0.3s ease, top 0.3s ease;
}

.site-header.is-scrolled {
    top: 10px;
    background: rgba(255, 255, 255, 0.91);
    box-shadow: 0 16px 50px rgba(46, 75, 109, 0.14);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.brand-mark {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--violet), var(--cyan-bright));
    box-shadow: 0 8px 20px rgba(98, 71, 217, 0.25);
    color: #fff;
    font: 800 1.05rem/1 var(--font-heading);
}

.brand-mark svg {
    width: 68%;
    height: 68%;
    overflow: visible;
}

.brand-mark path {
    stroke: #fff;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    transform-box: fill-box;
    transform-origin: center;
    animation: brand-spark-in 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.brand-mark .brand-spark-small {
    animation-delay: 0.18s;
}

@keyframes brand-spark-in {
    0% {
        opacity: 0;
        transform: scale(0.35) rotate(-18deg);
    }

    65% {
        opacity: 1;
        transform: scale(1.12) rotate(3deg);
    }

    100% {
        opacity: 1;
        transform: scale(1) rotate(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .brand-mark path {
        animation: none;
    }
}

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

.brand-copy strong {
    font: 800 0.82rem/1 var(--font-heading);
    letter-spacing: 0.08em;
}

.brand-copy small {
    margin-top: 4px;
    color: var(--ink-soft);
    font-size: 0.68rem;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-nav a {
    padding: 10px 14px;
    border-radius: 12px;
    color: var(--ink-soft);
    font: 600 0.86rem/1 var(--font-heading);
    text-decoration: none;
    transition: color 0.25s ease, background 0.25s ease;
}

.main-nav a:hover {
    background: rgba(0, 143, 189, 0.07);
    color: var(--ink);
}

.main-nav .nav-contact {
    padding: 13px 17px;
    background: var(--ink);
    color: #fff;
}

.main-nav .nav-contact:hover {
    background: var(--violet);
    color: #fff;
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 12px;
    border: 0;
    border-radius: 12px;
    background: var(--ink);
}

.menu-toggle > span:not(.sr-only) {
    display: block;
    width: 100%;
    height: 2px;
    margin: 4px 0;
    border-radius: 2px;
    background: #fff;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.scroll-progress {
    position: fixed;
    z-index: 120;
    inset: 0 0 auto;
    height: 3px;
    background: transparent;
}

.scroll-progress span {
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--cyan-bright), var(--violet));
    transform: scaleX(0);
    transform-origin: left center;
}

.personal-intro {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(500px, 0.92fr);
    align-items: center;
    min-height: 100svh;
    padding: 132px max(6vw, calc((100vw - var(--container)) / 2)) 105px;
    gap: clamp(40px, 6vw, 100px);
    isolation: isolate;
    overflow: hidden;
    background:
        radial-gradient(circle at 84% 24%, rgba(98, 71, 217, 0.12), transparent 28%),
        radial-gradient(circle at 12% 76%, rgba(20, 201, 232, 0.12), transparent 30%),
        linear-gradient(145deg, #fffefb 0%, #f8fcff 48%, #f1f7ff 100%);
}

.intro-grid {
    position: absolute;
    z-index: -2;
    inset: 0;
    opacity: 0.38;
    background-image: linear-gradient(rgba(16, 34, 58, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 34, 58, 0.035) 1px, transparent 1px);
    background-size: 58px 58px;
    mask-image: radial-gradient(circle at 55% 45%, #000, transparent 78%);
}

.personal-copy {
    position: relative;
    z-index: 3;
    max-width: 760px;
}

.personal-copy h1 {
    margin: 0;
    font: 700 clamp(3.3rem, 5.7vw, 6.7rem)/1.01 var(--font-heading);
    letter-spacing: -0.058em;
}

.personal-copy h1 em {
    color: var(--violet);
}

.personal-lead {
    max-width: 700px;
    margin: 30px 0 0;
    color: var(--ink-soft);
    font-size: clamp(1rem, 1.25vw, 1.18rem);
    line-height: 1.78;
}

.personal-actions {
    display: flex;
    align-items: center;
    gap: 26px;
    margin-top: 36px;
}

.personal-scope {
    display: flex;
    align-items: center;
    max-width: 680px;
    margin-top: 48px;
    color: rgba(16, 34, 58, 0.55);
    font: 700 0.65rem/1 var(--font-heading);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.personal-scope i {
    flex: 1;
    min-width: 8px;
    height: 1px;
    margin: 0 9px;
    background: linear-gradient(90deg, rgba(0, 143, 189, 0.22), rgba(98, 71, 217, 0.22));
}

.profile-stage {
    position: relative;
    width: min(100%, 620px);
    aspect-ratio: 1;
    justify-self: end;
}

.profile-halo {
    position: absolute;
    border: 1px solid rgba(0, 143, 189, 0.18);
    border-radius: 50%;
    pointer-events: none;
}

.profile-halo::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    border: 3px solid #fff;
    border-radius: 50%;
    background: var(--cyan-bright);
    box-shadow: 0 0 0 8px rgba(20, 201, 232, 0.1);
}

.profile-halo-one {
    inset: 5%;
    transform: rotate(-24deg);
}

.profile-halo-one::after {
    top: 48%;
    left: -6px;
}

.profile-halo-two {
    inset: 17%;
    border-color: rgba(98, 71, 217, 0.2);
    transform: rotate(38deg);
}

.profile-halo-two::after {
    right: 5%;
    bottom: 19%;
    background: var(--violet);
    box-shadow: 0 0 0 8px rgba(98, 71, 217, 0.1);
}

.profile-card {
    position: absolute;
    z-index: 3;
    top: 50%;
    left: 50%;
    display: grid;
    grid-template-columns: auto 1fr;
    width: min(67%, 390px);
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 32px 80px rgba(48, 76, 116, 0.2);
    backdrop-filter: blur(20px) saturate(140%);
    transform: translate(-50%, -50%) rotate(-2deg);
}

.profile-monogram {
    display: grid;
    grid-row: 1 / span 2;
    width: 76px;
    height: 76px;
    margin-right: 16px;
    place-items: center;
    border-radius: 23px;
    background: linear-gradient(145deg, var(--violet), var(--cyan-bright));
    box-shadow: 0 16px 32px rgba(83, 79, 205, 0.25);
    color: #fff;
    font: 800 2rem/1 var(--font-heading);
}

.profile-monogram svg {
    width: 62%;
    height: 62%;
    overflow: visible;
}

.automation-icon {
    opacity: 0;
    stroke: #fff;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    transform-box: fill-box;
    transform-origin: center;
    animation: icon-cycle 12s ease-in-out infinite both;
}

.icon-bpm {
    animation-delay: 2s;
}

.icon-ocr {
    animation-delay: 4s;
}

.icon-ocr .ocr-beam {
    stroke-width: 2;
    stroke-dasharray: 4 3;
}

.icon-ai {
    animation-delay: 6s;
}

.icon-integrations {
    animation-delay: 8s;
}

.icon-observability {
    animation-delay: 10s;
}

@keyframes icon-cycle {
    0% {
        opacity: 0;
        transform: scale(0.72) rotate(-8deg);
    }

    2%, 14% {
        opacity: 1;
        transform: scale(1) rotate(0);
    }

    16.667%, 100% {
        opacity: 0;
        transform: scale(0.78) rotate(7deg);
    }
}

@media (prefers-reduced-motion: reduce) {
    .automation-icon {
        animation: none;
        opacity: 0;
    }

    .automation-icon.icon-ai {
        opacity: 1;
    }
}

.profile-card-copy {
    align-self: center;
}

.profile-card-copy span,
.profile-card-copy strong {
    display: block;
}

.profile-card-copy span {
    color: var(--cyan);
    font: 800 0.68rem/1 var(--font-heading);
    letter-spacing: 0.13em;
}

.profile-card-copy strong {
    margin-top: 8px;
    font: 700 1.08rem/1.2 var(--font-heading);
}

.profile-card p {
    grid-column: 1 / -1;
    margin: 22px 0 0;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: 0.83rem;
    line-height: 1.65;
}

.profile-node {
    position: absolute;
    z-index: 4;
    display: grid;
    grid-template-columns: auto 1fr;
    padding: 13px 16px;
    border: 1px solid rgba(255, 255, 255, 0.92);
    border-radius: 17px;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 16px 38px rgba(46, 75, 109, 0.14);
    backdrop-filter: blur(14px);
}

.profile-node > span {
    grid-row: 1 / span 2;
    width: 9px;
    height: 9px;
    margin: 4px 10px 0 0;
    border-radius: 50%;
    background: var(--cyan-bright);
    box-shadow: 0 0 0 5px rgba(20, 201, 232, 0.1);
}

.profile-node b {
    font: 700 0.75rem/1.2 var(--font-heading);
}

.profile-node small {
    margin-top: 4px;
    color: var(--ink-soft);
    font-size: 0.63rem;
}

.node-analysis {
    top: 14%;
    left: 0;
}

.node-design {
    top: 11%;
    right: -1%;
}

.node-design > span {
    background: var(--violet);
    box-shadow: 0 0 0 5px rgba(98, 71, 217, 0.1);
}

.node-delivery {
    right: 2%;
    bottom: 13%;
}

.profile-lines {
    position: absolute;
    z-index: 1;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
}

.profile-lines path {
    stroke: rgba(0, 143, 189, 0.3);
    stroke-width: 1.5;
    stroke-dasharray: 5 7;
}

.intro-scroll {
    position: absolute;
    right: max(6vw, calc((100vw - var(--container)) / 2));
    bottom: 26px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--ink-soft);
    font: 700 0.65rem/1 var(--font-heading);
    letter-spacing: 0.09em;
    text-decoration: none;
    text-transform: uppercase;
}

.intro-scroll i {
    position: relative;
    display: block;
    width: 28px;
    height: 42px;
    border: 1px solid rgba(16, 34, 58, 0.22);
    border-radius: 100px;
}

.intro-scroll i::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--violet);
    transform: translateX(-50%);
    animation: scroll-dot 1.8s ease-in-out infinite;
}

@keyframes scroll-dot {
    0%, 100% { transform: translate(-50%, 0); opacity: 0.35; }
    45% { opacity: 1; }
    70% { transform: translate(-50%, 18px); opacity: 0; }
}

.atlas-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(520px, 1.08fr);
    align-items: center;
    min-height: 100svh;
    padding: 130px max(6vw, calc((100vw - var(--container)) / 2)) 110px;
    gap: clamp(30px, 4vw, 78px);
    isolation: isolate;
    background:
        radial-gradient(circle at 14% 16%, rgba(20, 201, 232, 0.14), transparent 27%),
        radial-gradient(circle at 84% 21%, rgba(98, 71, 217, 0.12), transparent 26%),
        linear-gradient(150deg, #fafdff 0%, #f2f8ff 46%, #fffaf5 100%);
    overflow: hidden;
}

.atlas-hero::before {
    content: '';
    position: absolute;
    z-index: -2;
    inset: 0;
    opacity: 0.35;
    background-image: linear-gradient(rgba(16, 34, 58, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 34, 58, 0.04) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(to bottom, #000, transparent 78%);
}

.hero-orbit {
    position: absolute;
    z-index: -1;
    border: 1px solid rgba(0, 143, 189, 0.16);
    border-radius: 50%;
    pointer-events: none;
}

.hero-orbit::after {
    content: '';
    position: absolute;
    top: 50%;
    left: -5px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--cyan-bright);
    box-shadow: 0 0 0 8px rgba(20, 201, 232, 0.1);
}

.hero-orbit-one {
    right: -10vw;
    bottom: -43vw;
    width: 78vw;
    height: 78vw;
    transform: rotate(-18deg);
}

.hero-orbit-two {
    right: 8vw;
    bottom: -26vw;
    width: 48vw;
    height: 48vw;
    border-color: rgba(98, 71, 217, 0.13);
    transform: rotate(24deg);
}

.atlas-hero-copy {
    position: relative;
    z-index: 5;
    max-width: 650px;
}

.eyebrow {
    margin: 0 0 22px;
    color: var(--cyan);
    font: 800 0.74rem/1.2 var(--font-heading);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.eyebrow span {
    margin-left: 10px;
    padding: 6px 9px;
    border: 1px solid rgba(0, 143, 189, 0.18);
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.65);
}

.atlas-hero h1,
.manifesto h2,
.chapter-content h2,
.contact-copy h2,
.hero-sm h1 {
    margin: 0;
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.055em;
    line-height: 0.98;
}

.atlas-hero h1 {
    max-width: 760px;
    font-size: clamp(3.7rem, 6.7vw, 7.6rem);
}

em {
    color: var(--violet);
    font-style: normal;
}

.hero-lead {
    max-width: 620px;
    margin: 30px 0 0;
    color: var(--ink-soft);
    font-size: clamp(1.02rem, 1.35vw, 1.25rem);
    line-height: 1.75;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 26px;
    margin-top: 36px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    min-height: 52px;
    padding: 14px 21px;
    border: 1px solid transparent;
    border-radius: 16px;
    font: 700 0.92rem/1 var(--font-heading);
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--violet), #338ad8);
    box-shadow: 0 14px 30px rgba(82, 76, 200, 0.23);
    color: #fff;
}

.btn-primary:hover {
    box-shadow: 0 18px 38px rgba(82, 76, 200, 0.31);
    transform: translateY(-3px);
}

.btn-secondary {
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.7);
    color: var(--ink);
}

.btn-secondary:hover {
    border-color: rgba(0, 143, 189, 0.35);
    background: #fff;
    transform: translateY(-2px);
}

.btn-sm {
    min-height: 44px;
    padding: 11px 16px;
    font-size: 0.82rem;
}

.btn-large {
    min-height: 62px;
    padding: 18px 27px;
    border-radius: 19px;
    font-size: 1rem;
}

.text-link,
.chapter-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font: 700 0.91rem/1.2 var(--font-heading);
    text-decoration: none;
}

.text-link::after,
.chapter-link::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: -7px;
    left: 0;
    height: 1px;
    background: currentColor;
    transform: scaleX(0.25);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.text-link:hover::after,
.chapter-link:hover::after {
    transform: scaleX(1);
}

.city-stack {
    position: relative;
    width: 100%;
    min-height: min(640px, 67vh);
    perspective: 1400px;
}

.city-card {
    position: absolute;
    margin: 0;
    overflow: hidden;
    border: 6px solid rgba(255, 255, 255, 0.92);
    border-radius: 26px;
    background: #fff;
    box-shadow: 0 32px 80px rgba(50, 87, 126, 0.22);
    transition: transform 0.18s linear;
    will-change: transform;
}

.city-card img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.city-card figcaption {
    position: absolute;
    right: 12px;
    bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 11px;
    border: 1px solid rgba(255, 255, 255, 0.82);
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 5px 18px rgba(16, 34, 58, 0.1);
    backdrop-filter: blur(12px);
    color: var(--ink);
    font: 700 0.7rem/1 var(--font-heading);
}

.city-card figcaption span {
    color: var(--violet);
}

.city-card-warsaw {
    z-index: 1;
    top: 13%;
    left: 2%;
    width: 64%;
    height: 48%;
    transform: translate3d(var(--card-x, 0), var(--card-y, 0), 0) rotate(-6deg);
}

.city-card-tokyo {
    z-index: 3;
    top: 30%;
    right: 0;
    width: 66%;
    height: 50%;
    transform: translate3d(var(--card-x, 0), var(--card-y, 0), 0) rotate(5deg);
}

.city-card-singapore {
    z-index: 2;
    bottom: 2%;
    left: 5%;
    width: 55%;
    height: 39%;
    transform: translate3d(var(--card-x, 0), var(--card-y, 0), 0) rotate(-2deg);
}

.atlas-route {
    position: absolute;
    bottom: 31px;
    left: 50%;
    display: flex;
    align-items: center;
    width: min(calc(100% - 12vw), var(--container));
    color: rgba(16, 34, 58, 0.45);
    font: 800 0.64rem/1 var(--font-heading);
    letter-spacing: 0.12em;
    transform: translateX(-50%);
}

.atlas-route i {
    flex: 1;
    height: 1px;
    margin: 0 12px;
    background: linear-gradient(90deg, rgba(0, 143, 189, 0.28), rgba(98, 71, 217, 0.28));
}

.manifesto {
    position: relative;
    display: grid;
    grid-template-columns: 0.55fr 1.45fr 0.8fr;
    width: min(calc(100% - 12vw), var(--container));
    margin: 0 auto;
    padding: clamp(100px, 13vw, 190px) 0;
    gap: clamp(35px, 6vw, 90px);
    align-items: start;
}

.manifesto-number {
    color: transparent;
    font: 800 clamp(7rem, 14vw, 13rem)/0.7 var(--font-heading);
    letter-spacing: -0.08em;
    -webkit-text-stroke: 1px rgba(0, 143, 189, 0.28);
}

.manifesto h2 {
    max-width: 850px;
    font-size: clamp(2.7rem, 4.8vw, 5.5rem);
}

.manifesto-copy > p:last-child {
    max-width: 720px;
    margin: 30px 0 0;
    color: var(--ink-soft);
    font-size: 1.05rem;
}

.manifesto-stats {
    display: grid;
    gap: 28px;
    padding-top: 43px;
}

.manifesto-stats div {
    padding-top: 19px;
    border-top: 1px solid var(--line);
}

.manifesto-stats strong,
.manifesto-stats span {
    display: block;
}

.manifesto-stats strong {
    font: 700 1.05rem/1.2 var(--font-heading);
}

.manifesto-stats span {
    margin-top: 7px;
    color: var(--ink-soft);
    font-size: 0.82rem;
}

.journey {
    position: relative;
}

.journey-rail {
    position: fixed;
    z-index: 60;
    top: 50%;
    left: 24px;
    display: grid;
    gap: 5px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.74);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.68);
    box-shadow: 0 15px 45px rgba(29, 69, 107, 0.11);
    backdrop-filter: blur(18px);
    opacity: 0;
    pointer-events: none;
    transform: translate(-16px, -50%);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.journey-visible .journey-rail {
    opacity: 1;
    pointer-events: auto;
    transform: translate(0, -50%);
}

.journey-rail a {
    display: flex;
    align-items: center;
    width: 116px;
    height: 39px;
    overflow: hidden;
    border-radius: 11px;
    color: var(--ink-soft);
    text-decoration: none;
    transition: width 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.journey-rail a:hover,
.journey-rail a.is-active {
    background: var(--ink);
    color: #fff;
}

.journey-rail b {
    display: grid;
    flex: 0 0 39px;
    height: 39px;
    place-items: center;
    font: 700 0.67rem/1 var(--font-heading);
}

.journey-rail a span {
    padding-right: 13px;
    white-space: nowrap;
    font: 600 0.7rem/1 var(--font-heading);
}

.rail-line {
    display: none;
}

.city-chapter {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 100svh;
    padding: 120px max(7vw, calc((100vw - var(--container)) / 2));
    overflow: hidden;
    isolation: isolate;
    background: #eaf4fb;
}

.chapter-image {
    position: absolute;
    z-index: -3;
    inset: -4%;
    width: 108%;
    height: 108%;
    max-width: none;
    object-fit: cover;
    transform: translate3d(0, var(--parallax-y, 0), 0) scale(1.035);
    transition: filter 0.4s ease;
    will-change: transform;
}

.city-chapter.content-left .chapter-image {
    object-position: center center;
}

.city-chapter.content-right .chapter-image {
    object-position: center center;
}

.chapter-wash {
    position: absolute;
    z-index: -2;
    inset: 0;
    pointer-events: none;
}

.content-left .chapter-wash {
    background: linear-gradient(90deg, rgba(247, 252, 255, 0.98) 0%, rgba(247, 252, 255, 0.92) 25%, rgba(247, 252, 255, 0.25) 51%, transparent 71%);
}

.content-right .chapter-wash {
    background: linear-gradient(270deg, rgba(247, 252, 255, 0.98) 0%, rgba(247, 252, 255, 0.92) 25%, rgba(247, 252, 255, 0.25) 51%, transparent 71%);
}

.city-chapter::after {
    content: '';
    position: absolute;
    z-index: -1;
    right: 0;
    bottom: 0;
    left: 0;
    height: 30%;
    background: linear-gradient(transparent, rgba(236, 246, 252, 0.25));
    pointer-events: none;
}

.chapter-content {
    width: min(100%, 535px);
    padding: clamp(25px, 3vw, 43px);
    border: 1px solid rgba(255, 255, 255, 0.82);
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.72);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px) saturate(130%);
    -webkit-backdrop-filter: blur(18px) saturate(130%);
}

.content-right .chapter-content {
    margin-left: auto;
}

.chapter-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 42px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(16, 34, 58, 0.1);
    color: var(--ink-soft);
    font: 700 0.68rem/1 var(--font-heading);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.chapter-kicker {
    margin: 0 0 15px;
    color: var(--city-accent);
    font: 800 0.72rem/1.25 var(--font-heading);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.chapter-content h2 {
    font-size: clamp(3rem, 4.6vw, 5.6rem);
}

.chapter-content h2 em {
    color: var(--city-accent);
}

.chapter-content > p:not(.chapter-kicker) {
    margin: 25px 0 0;
    color: var(--ink-soft);
    font-size: 0.98rem;
    line-height: 1.78;
}

.chapter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 26px 0 31px;
    padding: 0;
    list-style: none;
}

.chapter-tags li {
    padding: 7px 11px;
    border: 1px solid color-mix(in srgb, var(--city-accent) 20%, transparent);
    border-radius: 100px;
    background: color-mix(in srgb, var(--city-accent) 8%, white);
    color: var(--ink);
    font: 600 0.71rem/1 var(--font-heading);
}

.chapter-link {
    color: var(--city-accent);
}

.contact-journey {
    position: relative;
    display: grid;
    min-height: 90svh;
    place-items: center;
    padding: 130px 7vw;
    text-align: center;
    isolation: isolate;
    background:
        radial-gradient(circle at 20% 20%, rgba(20, 201, 232, 0.15), transparent 30%),
        radial-gradient(circle at 80% 70%, rgba(98, 71, 217, 0.14), transparent 32%),
        linear-gradient(145deg, #f8fcff, #fffaf4);
    overflow: hidden;
}

.contact-journey::before {
    content: '';
    position: absolute;
    z-index: -1;
    width: 65vw;
    height: 65vw;
    border: 1px solid rgba(0, 143, 189, 0.13);
    border-radius: 50%;
}

.contact-map {
    position: absolute;
    top: 16%;
    left: 50%;
    display: flex;
    align-items: center;
    width: min(70vw, 880px);
    transform: translateX(-50%);
}

.contact-map span {
    width: 10px;
    height: 10px;
    border: 2px solid #fff;
    border-radius: 50%;
    background: var(--violet);
    box-shadow: 0 0 0 7px rgba(98, 71, 217, 0.09);
}

.contact-map i {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--violet), var(--cyan-bright));
    opacity: 0.35;
}

.contact-copy {
    max-width: 900px;
}

.contact-copy h2 {
    font-size: clamp(3.2rem, 6.6vw, 7.5rem);
}

.contact-copy > p:not(.eyebrow) {
    max-width: 650px;
    margin: 30px auto 36px;
    color: var(--ink-soft);
    font-size: 1.05rem;
}

.site-footer {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 30px max(6vw, calc((100vw - var(--container)) / 2));
    border-top: 1px solid var(--line);
    background: #fff;
    color: var(--ink-soft);
    font-size: 0.72rem;
}

.site-footer p:nth-child(2) {
    letter-spacing: 0.06em;
}

.site-footer p:last-child {
    text-align: right;
}

.back-to-top {
    position: fixed;
    z-index: 130;
    right: clamp(16px, 2.3vw, 32px);
    bottom: clamp(16px, 2.3vw, 32px);
    display: grid;
    width: 48px;
    height: 48px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    background: linear-gradient(145deg, var(--violet), var(--cyan-bright));
    box-shadow: 0 14px 36px rgba(83, 79, 205, 0.32);
    color: #fff;
    opacity: 0;
    pointer-events: none;
    transform: translateY(14px) scale(0.9);
    backdrop-filter: blur(16px) saturate(140%);
    transition: opacity 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
}

.back-to-top.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.back-to-top:hover {
    box-shadow: 0 18px 42px rgba(83, 79, 205, 0.42);
    color: #fff;
    transform: translateY(-3px) scale(1);
}

.back-to-top:focus-visible {
    outline: 3px solid rgba(20, 201, 232, 0.3);
    outline-offset: 3px;
}

.back-to-top svg {
    width: 21px;
    height: 21px;
}

.back-to-top path {
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.footer-brand .brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 11px;
}

.js .reveal,
.js .fade-in-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.js .reveal.is-visible,
.js .fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Detail pages retain their content while adopting the new light atlas identity. */
body:not(.atlas-home) {
    background:
        radial-gradient(circle at 10% 5%, rgba(20, 201, 232, 0.12), transparent 28%),
        radial-gradient(circle at 90% 25%, rgba(98, 71, 217, 0.1), transparent 24%),
        var(--paper);
}

.blob {
    display: none;
}

.section {
    width: min(calc(100% - 36px), 1120px);
    margin: 0 auto;
    padding: 80px 0;
}

.glass-panel {
    border: 1px solid rgba(255, 255, 255, 0.88);
    border-radius: var(--radius);
    background: var(--white-glass);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.hero-sm {
    position: relative;
    display: grid;
    min-height: 46svh;
    margin-top: 34px;
    padding: clamp(50px, 8vw, 92px);
    place-items: center;
    text-align: center;
    overflow: hidden;
    isolation: isolate;
}

.hero-sm .hero-content {
    position: relative;
    z-index: 2;
    max-width: 850px;
}

.detail-city-image,
.detail-city-wash {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.detail-city-image {
    z-index: -2;
    object-fit: cover;
    object-position: center;
}

.detail-city-wash {
    z-index: -1;
    background: linear-gradient(90deg, rgba(248, 252, 255, 0.82), rgba(255, 255, 255, 0.58), rgba(248, 252, 255, 0.82));
    backdrop-filter: blur(1px);
}

.hero-sm h1 {
    font-size: clamp(2.8rem, 6vw, 6.6rem);
}

.hero-sm h1 span {
    color: var(--violet);
}

.hero-sm .subtitle {
    max-width: 700px;
    margin: 25px auto 30px;
    color: var(--ink-soft);
    font-size: 1.05rem;
}

.hero-sm .hero-cta {
    display: flex;
    justify-content: center;
}

.pt-0 {
    padding-top: 0;
}

.article-content {
    padding: clamp(30px, 6vw, 76px);
}

.article-content h2 {
    margin: 2.2em 0 0.7em;
    color: var(--cyan);
    font: 700 clamp(1.7rem, 3vw, 2.6rem)/1.15 var(--font-heading);
    letter-spacing: -0.03em;
}

.article-content h2:first-child {
    margin-top: 0;
}

.article-content p,
.article-content li {
    color: var(--ink-soft);
    font-size: 1rem;
    line-height: 1.8;
}

.article-content li {
    margin-bottom: 11px;
}

.article-content strong {
    color: var(--ink);
}

.footer {
    padding: 35px 20px 50px;
    color: var(--ink-soft);
    font-size: 0.78rem;
    text-align: center;
}

@media (max-width: 1100px) {
    .personal-intro {
        grid-template-columns: minmax(0, 0.95fr) minmax(440px, 1.05fr);
        padding-right: 4vw;
        padding-left: 4vw;
        gap: 35px;
    }

    .personal-copy h1 {
        font-size: clamp(3rem, 5.4vw, 5.4rem);
    }

    .profile-stage {
        width: min(100%, 560px);
    }

    .atlas-hero {
        grid-template-columns: 0.9fr 1.1fr;
        padding-right: 4vw;
        padding-left: 4vw;
    }

    .atlas-hero h1 {
        font-size: clamp(3.5rem, 7vw, 5.7rem);
    }

    .city-stack {
        min-height: 570px;
    }

    .manifesto {
        grid-template-columns: 0.35fr 1.35fr 0.7fr;
        width: calc(100% - 9vw);
    }

    .journey-rail {
        left: 12px;
    }

    .city-chapter {
        padding-right: 6vw;
        padding-left: 6vw;
    }

    .chapter-content {
        width: min(48vw, 515px);
    }
}

@media (max-width: 820px) {
    .site-header {
        top: 10px;
        width: calc(100% - 20px);
    }

    .menu-toggle {
        display: block;
    }

    .menu-open .menu-toggle > span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .menu-open .menu-toggle > span:nth-child(2) {
        opacity: 0;
    }

    .menu-open .menu-toggle > span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    .main-nav {
        position: fixed;
        top: 84px;
        right: 10px;
        left: 10px;
        display: grid;
        padding: 12px;
        border: 1px solid rgba(255, 255, 255, 0.9);
        border-radius: 20px;
        background: rgba(255, 255, 255, 0.96);
        box-shadow: 0 24px 60px rgba(46, 75, 109, 0.2);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-10px);
        transition: opacity 0.25s ease, transform 0.25s ease;
    }

    .menu-open .main-nav {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .main-nav a {
        padding: 16px;
    }

    .personal-intro {
        display: block;
        min-height: auto;
        padding: 140px 22px 95px;
    }

    .personal-copy {
        max-width: 680px;
        margin: 0 auto;
        text-align: center;
    }

    .personal-copy h1 {
        font-size: clamp(3rem, 11vw, 5.5rem);
    }

    .personal-lead {
        margin-right: auto;
        margin-left: auto;
    }

    .personal-actions {
        justify-content: center;
    }

    .personal-scope {
        justify-content: center;
        margin-right: auto;
        margin-left: auto;
    }

    .profile-stage {
        width: min(100%, 560px);
        margin: 55px auto 0;
    }

    .intro-scroll {
        display: none;
    }

    .atlas-hero {
        display: block;
        min-height: auto;
        padding: 140px 22px 80px;
    }

    .atlas-hero-copy {
        max-width: 670px;
        margin: 0 auto;
        text-align: center;
    }

    .atlas-hero h1 {
        font-size: clamp(3.2rem, 12vw, 6rem);
    }

    .hero-lead {
        margin-right: auto;
        margin-left: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .city-stack {
        width: min(100%, 650px);
        min-height: 540px;
        margin: 40px auto 20px;
    }

    .atlas-route {
        position: relative;
        bottom: auto;
        left: auto;
        width: 100%;
        margin-top: 30px;
        transform: none;
    }

    .manifesto {
        grid-template-columns: 1fr;
        width: calc(100% - 44px);
        padding: 100px 0;
        gap: 28px;
    }

    .manifesto-number {
        font-size: 8rem;
    }

    .manifesto h2 {
        font-size: clamp(2.6rem, 9vw, 4.7rem);
    }

    .manifesto-stats {
        grid-template-columns: 1fr 1fr;
        padding-top: 16px;
    }

    .journey-rail {
        display: none;
    }

    .city-chapter {
        align-items: flex-end;
        min-height: 100svh;
        padding: 36vh 18px 34px;
    }

    .chapter-image {
        inset: 0;
        width: 100%;
        height: 67%;
        object-position: center top;
        transform: scale(1.04);
    }

    .content-left .chapter-wash,
    .content-right .chapter-wash {
        background: linear-gradient(0deg, var(--paper) 0%, rgba(245, 250, 255, 0.98) 38%, rgba(245, 250, 255, 0.25) 68%, transparent 85%);
    }

    .chapter-content,
    .content-right .chapter-content {
        width: 100%;
        margin: 0 auto;
        padding: 26px;
        border-radius: 24px;
    }

    .chapter-meta {
        margin-bottom: 26px;
    }

    .chapter-content h2 {
        font-size: clamp(2.75rem, 12vw, 4.5rem);
    }

    .contact-journey {
        min-height: 82svh;
        padding: 120px 22px 90px;
    }

    .contact-copy h2 {
        font-size: clamp(3rem, 11vw, 5.3rem);
    }

    .site-footer {
        grid-template-columns: 1fr;
        gap: 20px;
        text-align: center;
    }

    .site-footer .brand {
        justify-content: center;
    }

    .site-footer p {
        margin: 0;
    }

    .site-footer p:last-child {
        text-align: center;
    }
}

@media (max-width: 520px) {
    .brand-copy small {
        display: none;
    }

    .atlas-hero {
        padding-top: 125px;
    }

    .personal-intro {
        padding-top: 125px;
        padding-right: 18px;
        padding-left: 18px;
    }

    .personal-copy h1 {
        font-size: clamp(2.75rem, 13.2vw, 4.2rem);
    }

    .personal-actions {
        flex-direction: column;
    }

    .personal-actions .btn {
        width: 100%;
    }

    .personal-scope {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px 12px;
        margin-top: 38px;
    }

    .personal-scope i {
        display: none;
    }

    .personal-scope span {
        padding: 7px 10px;
        border: 1px solid var(--line);
        border-radius: 100px;
        background: rgba(255, 255, 255, 0.65);
    }

    .profile-stage {
        aspect-ratio: auto;
        height: 480px;
        margin-top: 40px;
    }

    .profile-card {
        width: 78%;
        padding: 18px;
    }

    .profile-monogram {
        width: 60px;
        height: 60px;
        border-radius: 19px;
        font-size: 1.6rem;
    }

    .profile-node {
        padding: 11px 12px;
    }

    .node-analysis {
        left: -2%;
    }

    .node-design {
        right: -2%;
    }

    .node-delivery {
        right: 0;
        bottom: 11%;
    }

    .atlas-hero h1 {
        font-size: clamp(3rem, 15vw, 4.7rem);
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .city-stack {
        min-height: 420px;
    }

    .city-card {
        border-width: 4px;
        border-radius: 18px;
    }

    .city-card-warsaw {
        width: 74%;
    }

    .city-card-tokyo {
        width: 74%;
    }

    .city-card-singapore {
        width: 66%;
    }

    .atlas-route {
        font-size: 0.56rem;
    }

    .atlas-route i {
        margin: 0 5px;
    }

    .manifesto-stats {
        grid-template-columns: 1fr;
    }

    .chapter-content {
        padding: 23px 20px;
    }

    .chapter-content > p:not(.chapter-kicker) {
        font-size: 0.92rem;
    }

    .chapter-tags {
        margin-bottom: 25px;
    }

    .contact-copy .btn {
        width: 100%;
        font-size: 0.87rem;
    }

    .section {
        width: calc(100% - 24px);
    }

    .hero-sm {
        padding: 45px 22px;
    }

    .article-content {
        padding: 27px 21px;
    }
}

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

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

    .reveal,
    .fade-in-up {
        opacity: 1;
        transform: none;
    }

    .chapter-image {
        transform: scale(1.035);
    }
}