:root {
    --color-dark: #1b2838;
    --color-dark-alt: #243044;
    --color-mid: #2e3f56;
    --color-slate: #3a4d68;
    --color-light-slate: #4a6080;
    --color-cream: #f5f0eb;
    --color-cream-alt: #ebe4db;
    --color-text-on-dark: #e8e4df;
    --color-text-on-dark-secondary: #a8b4c4;
    --color-text-on-light: #1b2838;
    --color-text-on-light-secondary: #4a5568;
    --color-accent: #c8714a;
    --color-accent-light: #d8956e;
    --color-accent-glow: rgba(200, 113, 74, 0.15);
    --color-white: #ffffff;
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Source Sans 3', 'Helvetica Neue', Arial, sans-serif;
    --max-width: 780px;
    --max-width-wide: 960px;
    --nav-height: 64px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-height); }

body {
    font-family: var(--font-sans); font-size: 17px; font-weight: 400;
    line-height: 1.75; color: var(--color-text-on-dark);
    background-color: var(--color-dark); -webkit-font-smoothing: antialiased;
}

::selection { background: var(--color-accent); color: var(--color-white); }
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 500; line-height: 1.25; }
a { color: var(--color-accent); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--color-accent-light); }

/* NAV */
nav {
    position: fixed; top: 0; left: 0; right: 0; height: var(--nav-height);
    background: rgba(27, 40, 56, 0.92);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    z-index: 1000; display: flex; align-items: center; justify-content: center;
}
.nav-inner {
    width: 100%; max-width: var(--max-width-wide);
    padding: 0 2rem; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
    font-family: var(--font-serif); font-size: 1.5rem; font-weight: 600;
    color: var(--color-text-on-dark); letter-spacing: -0.02em; text-decoration: none;
}
.nav-logo:hover { color: var(--color-accent); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
    font-size: 0.88rem; font-weight: 500; color: var(--color-text-on-dark-secondary);
    text-decoration: none; letter-spacing: 0.02em; transition: color 0.3s ease;
}
.nav-links a:hover { color: var(--color-accent); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-text-on-dark); margin: 5px 0; transition: all 0.3s ease; }

/* HOME */
#home {
    min-height: 100vh; display: flex; flex-direction: column;
    align-items: center; justify-content: center; text-align: center;
    padding: calc(var(--nav-height) + 2rem) 2rem 2rem; position: relative;
    background: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-alt) 100%);
}
.hero-photo {
    max-width: 420px; margin: 0 auto 3rem; border-radius: 6px; overflow: hidden;
}
.hero-photo img { width: 100%; height: auto; display: block; border-radius: 6px; }
.hero-name {
    font-family: var(--font-serif); font-size: 3.8rem; font-weight: 400;
    letter-spacing: -0.02em; color: var(--color-text-on-dark); margin-bottom: 0.3rem;
}
.hero-ma {
    font-family: var(--font-serif); font-size: 1.2rem;
    color: var(--color-text-on-dark-secondary); margin-bottom: 0.6rem; letter-spacing: 0.05em;
}
.hero-tagline {
    font-family: var(--font-sans); font-size: 1.15rem; font-weight: 400;
    color: var(--color-accent); letter-spacing: 0.03em; margin-bottom: 0.8rem;
}
.hero-subtitle {
    font-family: var(--font-serif); font-size: 1.3rem; font-weight: 400;
    font-style: italic; color: var(--color-text-on-dark-secondary); margin-bottom: 2.5rem;
}
.hero-scroll {
    font-size: 0.8rem; font-weight: 500; letter-spacing: 0.15em;
    text-transform: uppercase; color: var(--color-text-on-dark-secondary);
    position: absolute; bottom: 3rem; animation: gentleBounce 3s ease-in-out infinite;
}
@keyframes gentleBounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* SECTIONS */
.section-dark { padding: 6rem 2rem; background: var(--color-dark-alt); color: var(--color-text-on-dark); }
.section-mid { padding: 6rem 2rem; background: var(--color-mid); color: var(--color-text-on-dark); }
.section-cream { padding: 6rem 2rem; background: var(--color-cream); color: var(--color-text-on-light); }
.section-cream-alt { padding: 6rem 2rem; background: var(--color-cream-alt); color: var(--color-text-on-light); }
.section-container { max-width: var(--max-width); margin: 0 auto; }
.section-label {
    font-family: var(--font-sans); font-size: 0.78rem; font-weight: 600;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--color-accent); margin-bottom: 0.8rem;
}
.section-title {
    font-family: var(--font-serif); font-size: 2.6rem; font-weight: 500;
    margin-bottom: 1.5rem; letter-spacing: -0.01em;
}

/* CHAPTERS */
.chapter {
    margin-bottom: 4rem;
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.chapter:last-child { margin-bottom: 0; }
.chapter.visible { opacity: 1; transform: translateY(0); }
.chapter-number {
    font-family: var(--font-serif); font-size: 4rem; font-weight: 300;
    color: var(--color-light-slate); line-height: 1; margin-bottom: 0.3rem;
}
.section-cream .chapter-number { color: #c8c0b6; }
.chapter-title {
    font-family: var(--font-serif); font-size: 1.7rem; font-weight: 500;
    margin-bottom: 1.5rem; letter-spacing: -0.01em;
}
.chapter-text { font-size: 1.02rem; line-height: 1.85; }
.chapter-text p { margin-bottom: 1.2rem; }
.chapter-text p:last-child { margin-bottom: 0; }
.section-cream .chapter-text { color: var(--color-text-on-light); }

/* CLOSING THOUGHT */
.closing-thought {
    font-family: var(--font-sans); font-size: 1.15rem; font-style: italic;
    line-height: 1.8; max-width: var(--max-width); margin: 0 auto;
    text-align: center; padding: 5rem 2rem;
    color: var(--color-text-on-dark);
}

/* PROJECTS */
.projects-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 2.5rem; }
.project-card {
    background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08);
    border-radius: 6px; padding: 2.5rem; transition: all 0.4s ease;
    opacity: 0; transform: translateY(20px);
}
.project-card.visible { opacity: 1; transform: translateY(0); }
.project-card:hover { border-color: var(--color-accent); box-shadow: 0 8px 30px rgba(0,0,0,0.2); }
.project-icon { font-size: 2rem; margin-bottom: 1rem; display: block; }
.project-name { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 500; margin-bottom: 0.4rem; }
.project-category { font-size: 0.85rem; font-weight: 500; color: var(--color-accent); letter-spacing: 0.03em; margin-bottom: 1rem; }
.project-desc { font-size: 0.95rem; color: var(--color-text-on-dark-secondary); line-height: 1.7; margin-bottom: 1.5rem; }
.project-link { font-size: 0.88rem; font-weight: 500; color: var(--color-text-on-dark-secondary); letter-spacing: 0.02em; }

/* HUMAN / BEYOND */
.human-text { font-size: 1.05rem; line-height: 1.85; }
.human-text p { margin-bottom: 1.3rem; }
.human-text p:last-child { margin-bottom: 0; }

/* LANGUAGES */
.languages-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.5rem; margin-top: 2rem; }
.language-item {
    text-align: center; padding: 1.8rem 1rem;
    background: rgba(0,0,0,0.04); border: 1px solid rgba(0,0,0,0.08); border-radius: 6px;
}
.language-name { font-family: var(--font-serif); font-size: 1.4rem; font-weight: 500; color: var(--color-text-on-light); margin-bottom: 0.3rem; }
.language-level { font-size: 0.85rem; color: var(--color-accent); font-style: italic; }
.language-native { font-size: 0.85rem; color: var(--color-accent); font-style: italic; }

/* CONTACT */
#contact { text-align: center; }
.contact-email {
    font-family: var(--font-serif); font-size: 1.6rem; color: var(--color-accent);
    display: inline-block; margin: 1.5rem 0; transition: color 0.3s ease;
}
.contact-email:hover { color: var(--color-accent-light); }
.contact-links { display: flex; justify-content: center; gap: 2rem; margin-top: 1.5rem; }
.contact-links a { font-size: 0.9rem; font-weight: 500; color: var(--color-text-on-dark-secondary); }
.contact-links a:hover { color: var(--color-accent); }

/* FOOTER */
footer {
    text-align: center; padding: 3rem 2rem; font-size: 0.82rem;
    color: var(--color-text-on-dark-secondary);
    border-top: 1px solid rgba(255,255,255,0.06); background: var(--color-dark);
}
footer a { color: var(--color-text-on-dark-secondary); }
footer a:hover { color: var(--color-accent); }

/* RESPONSIVE */
@media (max-width: 768px) {
    .hero-name { font-size: 2.6rem; }
    .hero-tagline { font-size: 1rem; }
    .hero-subtitle { font-size: 1.1rem; }
    .section-title { font-size: 2rem; }
    .chapter-number { font-size: 3rem; }
    .chapter-title { font-size: 1.4rem; }
    .projects-grid { grid-template-columns: 1fr; }
    .languages-grid { grid-template-columns: 1fr; }
    .hero-photo { max-width: 300px; }
    .nav-links {
        display: none; position: absolute; top: var(--nav-height); left: 0; right: 0;
        background: rgba(27, 40, 56, 0.98); backdrop-filter: blur(12px);
        flex-direction: column; padding: 1.5rem 2rem; gap: 1.2rem;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .nav-links.open { display: flex; }
    .nav-toggle { display: block; }
}
@media (max-width: 480px) {
    .hero-name { font-size: 2.1rem; }
    .section-dark, .section-mid, .section-cream, .section-cream-alt { padding: 4rem 1.5rem; }
    .closing-thought { padding: 3rem 1.5rem; }
}