:root {
    --bg: #0a101c;
    --bg-elevated: #10192b;
    --surface: rgba(14, 22, 37, 0.88);
    --surface-strong: rgba(18, 28, 47, 0.96);
    --surface-soft: rgba(18, 28, 47, 0.72);
    --text: #e5edf9;
    --text-strong: #f6f9ff;
    --text-muted: #95a4be;
    --text-subtle: #6d7d97;
    --border: rgba(120, 146, 185, 0.2);
    --border-strong: rgba(132, 160, 202, 0.34);
    --accent: #69a8ff;
    --accent-strong: #9bc5ff;
    --accent-soft: rgba(105, 168, 255, 0.14);
    --accent-mint: #62dbc8;
    --danger-soft: rgba(255, 96, 96, 0.12);

    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: "JetBrains Mono", "SF Mono", Menlo, monospace;

    --space-1: 0.35rem;
    --space-2: 0.75rem;
    --space-3: 1rem;
    --space-4: 1.5rem;
    --space-5: 2rem;
    --space-6: 3rem;
    --space-7: 4.5rem;
    --space-8: 6rem;

    --radius-sm: 0.45rem;
    --radius-md: 0.9rem;
    --radius-lg: 1.4rem;
    --radius-xl: 1.8rem;

    --container: 1180px;
    --nav-height: 82px;
    --shadow-soft: 0 18px 42px rgba(0, 0, 0, 0.26);
    --transition: 220ms ease;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    position: relative;
    min-height: 100vh;
    font-family: var(--font-sans);
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(54, 104, 180, 0.18), transparent 32%),
        radial-gradient(circle at 85% 12%, rgba(98, 219, 200, 0.1), transparent 28%),
        linear-gradient(180deg, #09101b 0%, #0b1321 42%, #09101b 100%);
    line-height: 1.65;
    padding-top: var(--nav-height);
    overflow-x: hidden;
}

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

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

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

h1,
 h2,
 h3 {
    color: var(--text-strong);
    line-height: 1.08;
}

ul,
ol {
    list-style: none;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: 0.8rem;
    z-index: 2000;
    transform: translateY(-180%);
    padding: 0.7rem 0.95rem;
    border-radius: var(--radius-sm);
    background: var(--surface-strong);
    color: var(--text-strong);
    border: 1px solid var(--border-strong);
    transition: transform var(--transition);
}

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

.background-grid,
.background-orbit {
    position: fixed;
    inset: 0;
    pointer-events: none;
}

.background-grid {
    background-image:
        linear-gradient(rgba(127, 150, 188, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(127, 150, 188, 0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0.16));
}

.background-orbit {
    filter: blur(70px);
    opacity: 0.5;
}

.background-orbit-a {
    inset: 3rem auto auto 8%;
    width: 26rem;
    height: 26rem;
    border-radius: 999px;
    background: rgba(90, 145, 255, 0.13);
}

.background-orbit-b {
    inset: auto 8% 12% auto;
    width: 22rem;
    height: 22rem;
    border-radius: 999px;
    background: rgba(98, 219, 200, 0.1);
}

.container {
    width: min(var(--container), calc(100% - 2.4rem));
    margin: 0 auto;
}

.section {
    position: relative;
    padding: var(--space-8) 0;
}

.site-header {
    position: fixed;
    top: 0;
    inset-inline: 0;
    z-index: 1200;
}

.navbar {
    height: var(--nav-height);
    border-bottom: 1px solid rgba(133, 155, 189, 0.14);
    background: rgba(7, 12, 21, 0.82);
    backdrop-filter: blur(18px);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    height: 100%;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-strong);
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 2.65rem;
    height: 2.65rem;
    border-radius: 0.7rem;
    border: 1px solid var(--border-strong);
    background:
        linear-gradient(135deg, rgba(105, 168, 255, 0.14), rgba(105, 168, 255, 0.03)),
        rgba(11, 17, 28, 0.9);
    font-family: var(--font-mono);
    font-size: 0.92rem;
    letter-spacing: 0.08em;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    gap: 0.08rem;
    line-height: 1.1;
}

.brand-copy strong {
    font-size: 0.98rem;
}

.brand-copy span {
    color: var(--text-subtle);
    font-size: 0.8rem;
}

.nav-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-left: auto;
}

.status-pill {
    padding: 0.48rem 0.72rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(17, 27, 45, 0.7);
    color: var(--accent-strong);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.04em;
    text-transform: lowercase;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.nav-link {
    position: relative;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    text-transform: lowercase;
    transition: color var(--transition);
}

.nav-link::before {
    content: "/";
    color: var(--accent);
    margin-right: 0.3rem;
    opacity: 0.85;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-strong);
}

.nav-toggle {
    display: none;
    width: 2.6rem;
    height: 2.6rem;
    padding: 0.2rem;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    margin: 0.34rem 0;
    background: var(--text-strong);
    transition: transform var(--transition), opacity var(--transition);
}

.hero {
    padding-top: calc(var(--space-6) + 0.5rem);
}

.hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.28fr) minmax(320px, 0.92fr);
    gap: var(--space-6);
    align-items: start;
}

.hero-main {
    position: relative;
}

.eyebrow,
.section-kicker,
.panel-label,
.data-label,
.contact-grid span,
.card-index,
.period,
.timeline-tag {
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.73rem;
}

.eyebrow,
.section-kicker,
.panel-label,
.data-label,
.card-index {
    color: var(--accent);
}

.hero-main h1 {
    max-width: 12.5ch;
    margin: var(--space-3) 0 var(--space-4);
    font-size: clamp(3.1rem, 6vw, 6rem);
    letter-spacing: -0.05em;
}

.hero-intro {
    max-width: 62ch;
    font-size: 1.1rem;
    color: var(--text-muted);
}

.hero-intro strong {
    color: var(--text-strong);
}

.hero-actions,
.contact-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-5);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0.82rem 1.15rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: lowercase;
    transition: border-color var(--transition), background var(--transition), color var(--transition), transform var(--transition);
}

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

.btn-primary {
    color: var(--text-strong);
    background: linear-gradient(135deg, #3f74e6, #295dcd);
    border-color: rgba(155, 197, 255, 0.22);
    box-shadow: 0 12px 30px rgba(51, 97, 191, 0.34);
}

.btn-primary:hover {
    color: var(--text-strong);
    background: linear-gradient(135deg, #4a7ff0, #2f66dd);
}

.btn-ghost {
    color: var(--text-strong);
    background: rgba(17, 26, 43, 0.55);
    border-color: var(--border);
}

.btn-ghost:hover {
    border-color: var(--border-strong);
    background: rgba(25, 38, 61, 0.8);
}

.hero-signals {
    display: grid;
    gap: var(--space-2);
    margin-top: var(--space-5);
    max-width: 58ch;
}

.hero-signals li {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    color: var(--text-muted);
}

.hero-signals li::before {
    content: "";
    width: 0.6rem;
    height: 0.6rem;
    margin-top: 0.38rem;
    border-radius: 999px;
    background: var(--accent-mint);
    box-shadow: 0 0 0 6px rgba(98, 219, 200, 0.08);
    flex-shrink: 0;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.metric-card {
    padding: var(--space-4);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(180deg, rgba(17, 26, 43, 0.72), rgba(12, 19, 33, 0.92)),
        rgba(13, 20, 34, 0.9);
    box-shadow: var(--shadow-soft);
}

.metric-value,
.proof-metric {
    color: var(--text-strong);
    font-family: var(--font-mono);
    font-size: clamp(1.5rem, 2.3vw, 2rem);
    margin-bottom: 0.4rem;
}

.metric-label {
    color: var(--text-muted);
    max-width: 26ch;
}

.hero-panel {
    display: grid;
    gap: var(--space-3);
}

.brief-card,
.story-card,
.proof-card,
.principle-item,
.timeline-item,
.contact-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(180deg, rgba(17, 26, 43, 0.82), rgba(10, 16, 29, 0.96)),
        rgba(15, 23, 39, 0.92);
    box-shadow: var(--shadow-soft);
}

.brief-card {
    overflow: hidden;
}

.brief-identity img {
    width: 100%;
    aspect-ratio: 1.1 / 1;
    object-fit: cover;
    object-position: center 20%;
    border-bottom: 1px solid var(--border);
}

.brief-copy,
.brief-data,
.brief-stack,
.story-card,
.proof-card,
.principle-item,
.timeline-item,
.contact-card {
    padding: var(--space-4);
}

.brief-copy {
    display: grid;
    gap: var(--space-2);
}

.brief-copy h2 {
    font-size: clamp(1.3rem, 2vw, 1.7rem);
}

.brief-copy p,
.data-block strong,
.proof-list li,
.timeline-item p,
.contact-card a:not(.btn) {
    color: var(--text-muted);
}

.brief-data {
    display: grid;
    gap: 1rem;
}

.data-block {
    display: grid;
    gap: 0.35rem;
    padding-bottom: 0.95rem;
    border-bottom: 1px solid rgba(123, 147, 183, 0.16);
}

.data-block:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.data-block strong {
    font-size: 0.98rem;
    line-height: 1.5;
    color: var(--text-strong);
    font-weight: 600;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-top: var(--space-3);
}

.tag-list li {
    padding: 0.52rem 0.78rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.02em;
}

.section-shell {
    display: grid;
    gap: var(--space-5);
}

.section-head {
    display: grid;
    gap: var(--space-2);
    max-width: 54rem;
}

.section-head h2 {
    font-size: clamp(2rem, 4vw, 3.6rem);
    max-width: 13ch;
    letter-spacing: -0.04em;
}

.section-intro {
    max-width: 58ch;
    font-size: 1rem;
}

.story-layout,
.wins-layout {
    display: grid;
    gap: var(--space-4);
}

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

.story-card {
    display: grid;
    gap: var(--space-2);
    min-height: 100%;
}

.story-card h3,
.proof-card h3,
.principle-item h3,
.timeline-item h3 {
    font-size: 1.2rem;
}

.card-index {
    margin-bottom: 0.25rem;
}

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

.proof-featured {
    grid-column: span 3;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: var(--space-4);
    align-items: start;
}

.proof-featured .proof-metric {
    font-size: clamp(2rem, 3vw, 2.7rem);
}

.proof-list {
    display: grid;
    gap: 0.7rem;
    align-content: start;
}

.proof-list li {
    display: flex;
    gap: 0.7rem;
}

.proof-list li::before {
    content: "→";
    color: var(--accent);
}

.principles-shell {
    gap: var(--space-6);
}

.principles-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
    counter-reset: principles;
}

.principle-item {
    display: grid;
    gap: var(--space-2);
}

.principle-item::before {
    counter-increment: principles;
    content: "0" counter(principles);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.84rem;
    letter-spacing: 0.08em;
}

.timeline {
    position: relative;
    display: grid;
    gap: var(--space-3);
    padding-left: var(--space-5);
}

.timeline::before {
    content: "";
    position: absolute;
    top: 1rem;
    bottom: 1rem;
    left: 0.7rem;
    width: 1px;
    background: linear-gradient(to bottom, var(--accent), rgba(105, 168, 255, 0));
}

.timeline-item {
    position: relative;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -2rem;
    top: 1.5rem;
    width: 0.72rem;
    height: 0.72rem;
    border-radius: 999px;
    background: var(--accent-mint);
    box-shadow: 0 0 0 6px rgba(98, 219, 200, 0.08);
}

.timeline-item header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.period,
.timeline-tag {
    color: var(--text-subtle);
}

.timeline-tag {
    padding: 0.36rem 0.62rem;
    border: 1px solid rgba(127, 150, 188, 0.16);
    border-radius: 999px;
    background: rgba(20, 31, 52, 0.72);
    text-transform: lowercase;
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: var(--space-5);
    align-items: start;
}

.contact-card {
    display: grid;
    gap: var(--space-5);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
}

.contact-grid div {
    display: grid;
    gap: 0.45rem;
}

.contact-grid span {
    color: var(--text-subtle);
}

.contact-grid a {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-strong);
}

.site-footer {
    border-top: 1px solid rgba(133, 155, 189, 0.14);
    padding: var(--space-4) 0 var(--space-5);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.footer-content p,
.back-to-top {
    color: var(--text-subtle);
    font-size: 0.92rem;
}

.back-to-top:hover {
    color: var(--text-strong);
}

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 480ms ease, transform 480ms ease;
}

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

.btn:focus-visible,
.nav-link:focus-visible,
.nav-toggle:focus-visible,
.back-to-top:focus-visible,
.skip-link:focus-visible,
.brand:focus-visible,
.contact-card a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

@media (max-width: 1100px) {
    .hero-layout,
    .contact-layout,
    .proof-featured {
        grid-template-columns: 1fr;
    }

    .hero-main h1,
    .section-head h2 {
        max-width: none;
    }

    .story-layout,
    .wins-layout,
    .principles-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .proof-featured {
        grid-column: span 2;
    }
}

@media (max-width: 860px) {
    :root {
        --nav-height: 72px;
        --space-8: 4.5rem;
    }

    .status-pill {
        display: none;
    }

    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        left: 0;
        right: 0;
        top: var(--nav-height);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
        padding: var(--space-4);
        border-bottom: 1px solid var(--border);
        background: rgba(8, 13, 22, 0.96);
        transform: translateY(-115%);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-metrics,
    .story-layout,
    .wins-layout,
    .principles-list,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .proof-featured {
        grid-column: auto;
    }

    .timeline-item header,
    .footer-content {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(var(--container), calc(100% - 1.3rem));
    }

    .hero {
        padding-top: var(--space-4);
    }

    .hero-main h1 {
        font-size: clamp(2.55rem, 15vw, 4rem);
    }

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

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

    .brief-copy,
    .brief-data,
    .brief-stack,
    .story-card,
    .proof-card,
    .principle-item,
    .timeline-item,
    .contact-card {
        padding: 1.15rem;
    }

    .timeline {
        padding-left: 2.4rem;
    }

    .timeline-item::before {
        left: -1.72rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }

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

@media print {
    .site-header,
    .hero-actions,
    .contact-actions,
    .background-grid,
    .background-orbit,
    .back-to-top,
    .skip-link {
        display: none !important;
    }

    body {
        background: #fff;
        color: #111;
        padding-top: 0;
    }

    p,
    .timeline-tag,
    .period,
    .brand-copy span {
        color: #333 !important;
    }

    .brief-card,
    .story-card,
    .proof-card,
    .principle-item,
    .timeline-item,
    .contact-card,
    .metric-card {
        background: #fff;
        color: #111;
        border-color: #d3d3d3;
        box-shadow: none;
    }
}