:root {
    color-scheme: dark;
    --bg: #060a12;
    --surface: rgba(10, 15, 24, 0.95);
    --surface-soft: rgba(255, 255, 255, 0.04);
    --surface-strong: rgba(15, 22, 33, 0.98);
    --text: #e9edf4;
    --muted: #8f9db0;
    --accent: #86b9e8;
    --accent-strong: #63a8e0;
    --border: rgba(134, 187, 236, 0.14);
    --shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
    --radius: 16px;
    --transition: 0.18s ease;
    font-family: 'Manrope', 'Inter', system-ui, sans-serif;
    --heading-font: 'Montserrat', 'Manrope', system-ui, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100%;
    background: linear-gradient(180deg, #060a12 0%, #05070d 100%);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: linear-gradient(90deg, rgba(134, 185, 232, 0.03), transparent 40%, rgba(134, 185, 232, 0.025));
    pointer-events: none;
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(255,255,255,0.015) 100%);
    pointer-events: none;
    z-index: -1;
}

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

button,
a {
    font: inherit;
}

.page-shell {
    position: relative;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 1.5rem 3.5rem;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 2rem 0 1.2rem;
}

.brand {
    font-family: var(--heading-font);
    font-size: 0.92rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--accent-strong);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.lang-switch {
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    padding: 0.5rem 0.8rem;
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.86rem;
    font-family: var(--heading-font);
    letter-spacing: 0.08em;
    transition: background-color var(--transition), border-color var(--transition);
}

.lang-switch:hover,
.lang-switch:focus-visible {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(130, 199, 255, 0.24);
}

.topnav {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
}

.topnav a {
    color: var(--muted);
    text-decoration: none;
    transition: color var(--transition);
    font-size: 0.95rem;
}

.topnav a:hover,
.topnav a:focus-visible {
    color: var(--text);
}

.hero {
    display: grid;
    grid-template-columns: 1.8fr 1fr;
    gap: 2.5rem;
    align-items: center;
    min-height: 74vh;
    padding: 2.5rem 0;
}

.hero-copy {
    max-width: 680px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--accent);
    text-transform: uppercase;
    font-family: var(--heading-font);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    margin-bottom: 1.2rem;
}

.hero-copy h1 {
    margin: 0;
    font-family: var(--heading-font);
    font-size: clamp(2.3rem, 3.5vw, 4.2rem);
    line-height: 0.95;
    max-width: 10.5ch;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.hero-copy p {
    margin: 1.8rem 0 2.2rem;
    color: var(--muted);
    font-size: 1.02rem;
    max-width: 42rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 1.45rem;
    border-radius: 999px;
    border: 1px solid transparent;
    text-decoration: none;
    letter-spacing: 0.02em;
    font-weight: 600;
    transition: transform var(--transition), background-color var(--transition), border-color var(--transition), color var(--transition);
}

.button-primary {
    background: rgba(130, 199, 255, 0.16);
    color: #d4ecff;
    border-color: rgba(130, 199, 255, 0.2);
}

.button-secondary {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
}

.button:hover {
    transform: translateY(-2px);
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(130, 199, 255, 0.28);
}

.hero-card {
    position: relative;
    background: rgba(15, 22, 32, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    padding: 1.8rem;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.hero-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(130, 199, 255, 0.08), transparent 34%);
    pointer-events: none;
    z-index: 0;
}

.hero-card-header,
.hero-card-body {
    position: relative;
    z-index: 1;
}

.hero-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-card-header span {
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.8rem;
}

.hero-pill {
    display: inline-flex;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-radius: 999px;
    background: rgba(91, 199, 255, 0.12);
    color: var(--accent);
    font-size: 0.85rem;
}

.hero-card-body {
    display: grid;
    gap: 1.3rem;
}

.hero-stat {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1.25rem;
}

.hero-stat strong {
    display: block;
    font-size: 1.3rem;
    margin-bottom: 0.35rem;
}

.hero-stat span {
    color: var(--muted);
    line-height: 1.7;
}

.content {
    display: grid;
    gap: 4rem;
}

.section {
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.section:first-of-type {
    border-top: none;
}

.section-header {
    max-width: 680px;
    margin-bottom: 1.8rem;
}

.section-header span {
    color: var(--accent);
    text-transform: uppercase;
    font-family: var(--heading-font);
    letter-spacing: 0.18em;
    font-size: 0.78rem;
    font-weight: 600;
}

.section-header h2 {
    margin: 0.75rem 0 0;
    font-family: var(--heading-font);
    font-size: clamp(1.7rem, 2.2vw, 2.3rem);
    line-height: 1.1;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.grid {
    display: grid;
    gap: 1.5rem;
}

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

.text-block p {
    margin: 0 0 1.4rem;
    color: var(--muted);
    font-size: 1.02rem;
}

.text-block p:last-child {
    margin-bottom: 0;
}

.info-panel {
    display: grid;
    gap: 1rem;
}

.info-row {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 1.2rem 1.3rem;
}

.info-row span {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.78rem;
}

.info-row p {
    margin: 0;
    color: var(--text);
    line-height: 1.75;
}

.skill-grid,
.cards-row,
.contact-panel,
.mini-history {
    display: grid;
    gap: 1.5rem;
}

.skill-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.contact-panel {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
}

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

.skill-card,
.interest-card,
.contact-card,
.mini-history-card {
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 16px;
    padding: 1.45rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.skill-card:hover,
.interest-card:hover,
.contact-card:hover,
.mini-history-card:hover {
    transform: translateY(-2px);
    border-color: rgba(130, 199, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.16);
}

.skill-card h3,
.interest-card h3,
.mini-history-card h3 {
    margin: 0 0 0.75rem;
    font-family: var(--heading-font);
    font-size: 1.05rem;
    font-weight: 600;
}

.skill-card p,
.interest-card p,
.contact-card a,
.contact-card p,
.mini-history-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.75;
}

.mini-history-label {
    display: inline-block;
    margin-bottom: 0.8rem;
    color: var(--accent);
    text-transform: uppercase;
    font-family: var(--heading-font);
    letter-spacing: 0.16em;
    font-size: 0.74rem;
    font-weight: 600;
}

.contact-card span {
    display: block;
    margin-bottom: 0.9rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.78rem;
}

.contact-card a {
    text-decoration: none;
    color: var(--text);
}

.contact-card a:hover,
.contact-card a:focus-visible {
    color: var(--accent-strong);
}

.footer {
    text-align: center;
    padding: 2rem 0 0;
    color: var(--muted);
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.9s ease, transform 0.9s ease;
}

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

@keyframes pulseGlow {
    0%, 100% { opacity: 0.6; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(-3px); }
}

@media (max-width: 980px) {
    .hero {
        grid-template-columns: 1fr;
    }
    .grid-2,
    .skill-grid,
    .cards-row,
    .mini-history {
        grid-template-columns: 1fr;
    }

    .contact-panel {
        grid-template-columns: 1fr;
    }
    .page-shell {
        padding: 0 1.25rem 3rem;
    }
}

@media (max-width: 680px) {
    .topbar {
        flex-direction: column;
        align-items: flex-start;
        padding-top: 1.5rem;
    }
    .hero {
        padding-top: 1.5rem;
        gap: 1.5rem;
    }
    .hero-copy h1 {
        font-size: 2.4rem;
    }
    .hero-card {
        padding: 1.6rem;
        border-radius: 24px;
    }
    .button {
        width: 100%;
    }
    .hero-actions {
        flex-direction: column;
    }
}

@media (max-width: 520px) {
    .page-shell {
        padding: 0 0.9rem 2.5rem;
    }
    .topnav {
        width: 100%;
    }
    .topnav a {
        font-size: 0.95rem;
    }
    .hero-copy p,
    .text-block p,
    .skill-card p,
    .interest-card p,
    .contact-card p {
        font-size: 0.98rem;
    }
    .hero-card-body {
        gap: 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .button,
    .skill-card,
    .interest-card,
    .contact-card,
    .hero,
    .reveal {
        transition: none !important;
        animation: none !important;
    }
}