:root {
    --color-ink: #0a0b14;
    --color-paper: #ffffff;
    --color-paper-soft: #f6f6fb;
    --color-accent: #c22ff7;
    --color-light-strong: rgba(255, 255, 255, 0.96);
    --color-light-body: rgba(255, 255, 255, 0.74);
    --color-light-muted: rgba(255, 255, 255, 0.54);
    --color-dark-strong: #0f1119;
    --color-dark-body: rgba(10, 11, 20, 0.74);
    --color-dark-muted: rgba(10, 11, 20, 0.56);
    --color-line-dark: rgba(10, 11, 20, 0.09);
    --color-line-light: rgba(255, 255, 255, 0.11);
    --color-grid-dark: rgba(255, 255, 255, 0.045);
    --shadow-soft: 0 26px 60px rgba(10, 11, 20, 0.08);
    --shadow-deep: 0 28px 80px rgba(0, 0, 0, 0.32);
    --blur-strong: 18px;
    --radius-s: 18px;
    --radius-m: 24px;
    --radius-l: 32px;
    --radius-pill: 999px;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-7: 1.75rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-14: 3.5rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --type--1: 0.82rem;
    --type-0: 0.95rem;
    --type-1: 1.05rem;
    --type-2: 1.2rem;
    --type-5: clamp(2.15rem, 11vw, 3.1rem);
    --type-display: clamp(3.35rem, 16vw, 5rem);
    --shell: 1180px;
    --measure-heading: 72rem;
    --section-space: 5.5rem;
    --section-gap: 2.25rem;
    --panel-padding: 1.3rem;
    --motion-fast: 180ms;
    --ease-standard: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    background:
        radial-gradient(circle at top left, rgba(194, 47, 247, 0.12), transparent 28rem),
        var(--color-ink);
    color: var(--color-light-body);
    font-family: "Source Sans Pro", sans-serif;
    font-size: 17px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

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

main section {
    scroll-margin-top: 7rem;
}

.site-main {
    position: relative;
    overflow: clip;
}

.shell {
    width: min(calc(100% - 1.5rem), var(--shell));
    margin: 0 auto;
}

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 60;
    padding-top: var(--space-3);
    pointer-events: none;
    transition:
        padding-top var(--motion-fast) var(--ease-standard),
        transform var(--motion-fast) var(--ease-standard);
}

.topbar {
    pointer-events: auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-5);
    min-height: 4rem;
    padding: 0 var(--space-4);
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    transition:
        background var(--motion-fast) var(--ease-standard),
        border-color var(--motion-fast) var(--ease-standard),
        box-shadow var(--motion-fast) var(--ease-standard),
        transform var(--motion-fast) var(--ease-standard);
}

.site-header.is-scrolled {
    padding-top: var(--space-2);
}

.site-header.is-scrolled .topbar {
    min-height: 4rem;
    padding: 0 var(--space-4);
    border-color: rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-pill);
    background: rgba(8, 10, 18, 0.86);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
    backdrop-filter: blur(var(--blur-strong));
}

.brand,
.site-nav a,
.button,
.section-kicker,
.eyebrow,
.timeline-meta,
.timeline-company,
.contact-chip {
    font-family: "Raleway", sans-serif;
}

.brand {
    color: var(--color-light-strong);
    font-size: 1.08rem;
    font-weight: 600;
    letter-spacing: 0.015em;
}

.site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-5);
    border: 1px solid var(--color-line-light);
    border-radius: var(--radius-m);
    background: rgba(8, 10, 18, 0.94);
    box-shadow: var(--shadow-deep);
    backdrop-filter: blur(var(--blur-strong));
}

.site-nav a {
    position: relative;
    color: rgba(255, 255, 255, 0.84);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    padding: var(--space-2) 0;
    transition: color var(--motion-fast) var(--ease-standard);
}

.site-nav a::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 1px;
    background: linear-gradient(90deg, var(--color-accent), rgba(194, 47, 247, 0));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--motion-fast) var(--ease-standard);
}

.site-nav a:hover,
.site-nav a.is-active {
    color: var(--color-light-strong);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
    transform: scaleX(1);
}

.menu-toggle {
    display: inline-block;
    border: 0;
    background: transparent;
    padding: 0;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 1.5rem;
    height: 2px;
    margin: 0.3rem 0;
    background: var(--color-light-strong);
    transition: transform var(--motion-fast) var(--ease-standard);
}

.site-nav.is-open {
    display: flex;
}

.hero {
    position: relative;
    min-height: auto;
    padding: 7.75rem 0 4.5rem;
    display: flex;
    align-items: center;
    background:
        linear-gradient(180deg, rgba(0, 0, 0, 0.1), rgba(10, 11, 20, 0.24)),
        radial-gradient(circle at 12% 15%, rgba(194, 47, 247, 0.24), transparent 24rem),
        radial-gradient(circle at 88% 10%, rgba(255, 255, 255, 0.08), transparent 20rem),
        linear-gradient(180deg, #000 0%, #090a12 100%);
    overflow: clip;
}

.hero::before,
.section-dark::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--color-grid-dark) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-grid-dark) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 78%);
    pointer-events: none;
}

.hero::after {
    content: "";
    position: absolute;
    width: min(38rem, 65vw);
    height: min(38rem, 65vw);
    right: -8rem;
    bottom: -12rem;
    background: radial-gradient(circle, rgba(194, 47, 247, 0.16), transparent 68%);
    filter: blur(4px);
    pointer-events: none;
}

.hero-layout {
    position: relative;
    z-index: 1;
    display: grid;
    align-items: start;
    align-content: start;
    min-height: auto;
    max-width: none;
}

.hero-copy {
    display: grid;
    gap: 0;
    max-width: 74rem;
    padding-block: 0;
}

.hero-copy h1,
.section-heading h2,
.card h3,
.pillar h3,
.timeline-main h3 {
    margin: 0;
    font-family: "Raleway", sans-serif;
    font-weight: 600;
    letter-spacing: -0.04em;
}

.hero-copy h1 {
    color: var(--color-light-strong);
    font-size: var(--type-display);
    line-height: 0.94;
    max-width: 10ch;
    text-wrap: balance;
    margin-bottom: var(--space-6);
}

.eyebrow,
.section-kicker,
.timeline-meta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-4);
    margin: 0;
    font-size: var(--type--1);
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.section-kicker::before,
.timeline-meta::before {
    content: "";
    width: 3rem;
    height: 1px;
    background: currentColor;
}

.eyebrow {
    color: rgba(255, 255, 255, 0.62);
    margin-bottom: var(--space-6);
}

.hero-title,
.hero-text,
.hero-meta,
.section-heading p,
.card p,
.pillar p,
.timeline-main p,
.contact-note {
    margin: 0;
}

.hero-title {
    max-width: 32rem;
    color: var(--color-light-strong);
    font-family: "Raleway", sans-serif;
    font-size: clamp(1.32rem, 2vw, 1.72rem);
    line-height: 1.42;
    margin-bottom: var(--space-7);
}

.hero-text {
    max-width: 34rem;
    color: var(--color-light-body);
    font-size: var(--type-1);
}

.hero-text + .hero-text {
    margin-top: var(--space-5);
}

.hero-meta {
    max-width: 34rem;
    margin-top: var(--space-10);
    color: var(--color-light-muted);
    font-size: var(--type-0);
    line-height: 1.6;
}

.hero-meta::before {
    content: "";
    display: block;
    width: 3.25rem;
    height: 1px;
    margin-bottom: var(--space-4);
    background: rgba(255, 255, 255, 0.14);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3.5rem;
    padding: 0 var(--space-6);
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    font-size: var(--type--1);
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    transition:
        transform var(--motion-fast) var(--ease-standard),
        background var(--motion-fast) var(--ease-standard),
        border-color var(--motion-fast) var(--ease-standard),
        color var(--motion-fast) var(--ease-standard),
        box-shadow var(--motion-fast) var(--ease-standard);
}

.button-primary {
    color: var(--color-light-strong);
    border-color: rgba(194, 47, 247, 0.6);
    background: rgba(255, 255, 255, 0.03);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.button-secondary {
    color: var(--color-light-strong);
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.03);
}

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

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

.section-light {
    --tone-heading: var(--color-dark-strong);
    --tone-body: var(--color-dark-body);
    --tone-muted: var(--color-dark-muted);
    --surface-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(251, 251, 255, 0.84));
    --surface-border: var(--color-line-dark);
    --surface-shadow: var(--shadow-soft);
    background:
        radial-gradient(circle at 100% 0%, rgba(194, 47, 247, 0.06), transparent 22rem),
        linear-gradient(180deg, var(--color-paper) 0%, var(--color-paper-soft) 100%);
    color: var(--tone-body);
}

.section-dark {
    --tone-heading: var(--color-light-strong);
    --tone-body: var(--color-light-body);
    --tone-muted: var(--color-light-muted);
    --surface-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.025));
    --surface-border: var(--color-line-light);
    --surface-shadow: var(--shadow-deep);
    background: var(--color-ink);
    color: var(--tone-body);
    overflow: clip;
}

.section-experience {
    background:
        radial-gradient(circle at 85% 12%, rgba(194, 47, 247, 0.18), transparent 23rem),
        linear-gradient(180deg, #090a12 0%, #0b0c15 100%);
}

.section-contact {
    background:
        radial-gradient(circle at 20% 100%, rgba(194, 47, 247, 0.16), transparent 24rem),
        linear-gradient(180deg, #090a12 0%, #08090f 100%);
}

.section-intro,
.section-heading {
    display: grid;
    gap: var(--space-4);
    max-width: var(--measure-heading);
}

.section-heading h2 {
    color: var(--tone-heading);
    font-size: var(--type-5);
    line-height: 1.04;
    max-width: 11ch;
    text-wrap: pretty;
}

.section-heading p {
    max-width: 34rem;
    color: var(--tone-body);
    font-size: var(--type-1);
}

.section-kicker {
    color: var(--color-accent);
}

.panel-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(1rem, 2vw, 1.5rem);
}

.panel,
.timeline-panel {
    position: relative;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-l);
    background: var(--surface-bg);
    box-shadow: var(--surface-shadow);
    overflow: hidden;
    isolation: isolate;
}

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

.panel::before,
.timeline-panel::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: clamp(4rem, 22%, 5.5rem);
    height: 1px;
    background: linear-gradient(90deg, var(--color-accent), rgba(194, 47, 247, 0));
    opacity: 0.8;
}

.card h3,
.pillar h3,
.timeline-main h3 {
    color: var(--tone-heading);
    font-size: var(--type-2);
    line-height: 1.25;
}

.card p,
.pillar p,
.timeline-main p {
    color: var(--tone-body);
    font-size: var(--type-1);
}

.timeline {
    display: grid;
    gap: clamp(1rem, 2vw, 1.35rem);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
    padding: clamp(1.5rem, 2.5vw, 2rem);
}

.timeline-item::before {
    inset: 0 auto auto 0;
    width: clamp(4rem, 22%, 5.5rem);
    height: 1px;
    background: linear-gradient(90deg, var(--color-accent), rgba(194, 47, 247, 0));
}

.timeline-side,
.timeline-main,
.contact-block {
    display: grid;
    gap: var(--space-4);
}

.timeline-side {
    align-content: start;
}

.timeline-main {
    max-width: 52rem;
}

.timeline-meta {
    color: var(--color-accent);
}

.timeline-company {
    margin: 0;
    color: var(--tone-heading);
    font-size: var(--type-0);
    font-weight: 600;
    letter-spacing: 0.14em;
    line-height: 1.5;
    text-transform: uppercase;
}

.timeline-main p + p {
    margin-top: var(--space-2);
}

.leadership-layout {
    display: grid;
    gap: var(--section-gap);
}

.contact-block {
    gap: var(--space-6);
}

.contact-links {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
}

.contact-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 3.35rem;
    padding: 0 var(--space-5);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.04);
    color: var(--tone-heading);
    font-size: var(--type--1);
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    transition:
        transform var(--motion-fast) var(--ease-standard),
        border-color var(--motion-fast) var(--ease-standard),
        background var(--motion-fast) var(--ease-standard),
        color var(--motion-fast) var(--ease-standard);
}

.contact-note {
    max-width: none;
    color: var(--tone-muted);
    font-size: var(--type-0);
}

@media (hover: hover) and (pointer: fine) {
    .button:hover,
    .contact-chip:hover {
        transform: translateY(-4px);
    }

    .button-primary:hover {
        background: rgba(194, 47, 247, 0.14);
        border-color: rgba(194, 47, 247, 0.9);
        box-shadow: 0 18px 36px rgba(194, 47, 247, 0.12);
    }

    .button-secondary:hover {
        background: rgba(255, 255, 255, 0.08);
        border-color: rgba(255, 255, 255, 0.28);
    }

    .contact-chip:hover {
        background: rgba(194, 47, 247, 0.12);
        border-color: rgba(194, 47, 247, 0.68);
    }

}

@media (min-width: 761px) {
    :root {
        --type-5: clamp(2.5rem, 5vw, 4.35rem);
        --type-display: clamp(4.1rem, 10vw, 7.2rem);
        --section-space: clamp(6.25rem, 9vw, 8.75rem);
        --section-gap: clamp(2.75rem, 5vw, 4rem);
        --panel-padding: clamp(1.4rem, 2.2vw, 2rem);
    }

    body {
        font-size: 18px;
    }

    .shell {
        width: min(calc(100% - clamp(1.5rem, 3vw, 3rem)), var(--shell));
    }

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

    .topbar {
        min-height: 4.5rem;
        padding: 0 var(--space-5);
    }

    .site-header.is-scrolled .topbar {
        min-height: 4.15rem;
        padding: 0 var(--space-5);
    }

    .site-nav {
        position: static;
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: var(--space-6);
        padding: 0;
        border: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
        backdrop-filter: none;
    }

    .menu-toggle {
        display: none;
    }

    .hero {
        min-height: 100svh;
        padding: clamp(7.5rem, 12vh, 9rem) 0 clamp(4.5rem, 8vh, 6.25rem);
    }

    .hero-layout {
        align-content: center;
        min-height: clamp(40rem, 82svh, 52rem);
    }

    .hero-copy {
        padding-block: clamp(1rem, 3vh, 2rem);
    }

    .hero-copy h1 {
        max-width: 12ch;
    }

    .hero-title {
        max-width: 52rem;
    }

    .hero-text,
    .hero-meta,
    .section-heading p,
    .card p,
    .pillar p,
    .timeline-main p {
        font-size: var(--type-1);
    }

    .hero-text {
        max-width: 54rem;
    }

    .hero-meta {
        max-width: 52rem;
    }

    .section-heading h2 {
        max-width: 18ch;
    }

    .section-heading p {
        max-width: 58rem;
    }

    .section-kicker::before,
    .timeline-meta::before {
        width: 3rem;
    }

    .contact-links {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
    }

    .contact-chip {
        width: auto;
        justify-content: center;
    }
}

@media (min-width: 981px) {
    .panel-grid {
        grid-template-columns: repeat(12, minmax(0, 1fr));
    }

    .panel {
        grid-column: span 6;
    }

    .timeline-item {
        grid-template-columns: minmax(0, 12rem) minmax(0, 1fr);
        gap: clamp(1.5rem, 3vw, 2.4rem);
    }
}

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

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