@charset "UTF-8";
/* ===================================
   Local Font Declarations
   =================================== */
@font-face {
    font-family: 'Cormorant Garamond';
    font-style: italic;
    font-weight: 300;
    font-display: swap;
    src: url(fonts/cormorant-garamond-italic-300.woff2) format('woff2');
}
@font-face {
    font-family: 'Cormorant Garamond';
    font-style: italic;
    font-weight: 400;
    font-display: swap;
    src: url(fonts/cormorant-garamond-italic-400.woff2) format('woff2');
}
@font-face {
    font-family: 'Cormorant Garamond';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: url(fonts/cormorant-garamond-normal-300.woff2) format('woff2');
}
@font-face {
    font-family: 'Cormorant Garamond';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url(fonts/cormorant-garamond-normal-400.woff2) format('woff2');
}
@font-face {
    font-family: 'Cormorant Garamond';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url(fonts/cormorant-garamond-normal-500.woff2) format('woff2');
}
@font-face {
    font-family: 'Cormorant Garamond';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url(fonts/cormorant-garamond-normal-600.woff2) format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: url(fonts/inter-300.woff2) format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url(fonts/inter-400.woff2) format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url(fonts/inter-500.woff2) format('woff2');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url(fonts/inter-600.woff2) format('woff2');
}

/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    --color-text: #dddbd6;
    --color-text-light: #a8a8a0;
    --color-text-muted: #83838c;
    --color-bg: #0e0e14;
    --color-bg-alt: #161620;
    --color-bg-hero: #060810;
    --color-hero-text: #d8d6d0;
    --color-border: #252528;
    --color-accent: #5cb8f0;
    --color-accent-light: #7ecaf5;
    --color-white: #141419;

    --font-serif: 'Cormorant Garamond', 'Georgia', 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --content-width: 780px;
    --wide-width: 1000px;
    --nav-height: 4.5rem;

    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

/* ===================================
   Reset
   =================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 19px;
}

body {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    line-height: 1.85;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

::selection {
    background-color: var(--color-accent);
    color: #fff;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    z-index: 2000;
    background-color: var(--color-accent);
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    padding: 0.7rem 1.25rem;
    border-radius: 4px;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 1rem;
    color: #fff;
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* ===================================
   Layout
   =================================== */
.content-narrow {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.content-wide {
    max-width: var(--wide-width);
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 3rem 0;
    scroll-margin-top: var(--nav-height);
}

.section-lead {
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    line-height: 1.85;
    color: var(--color-text-light);
    max-width: 62ch;
    margin-bottom: 1.5rem;
    text-align: justify;
    text-justify: inter-word;
    hyphens: auto;
    -webkit-hyphens: auto;
    hyphenate-limit-chars: 7 3 3;
    text-wrap: pretty;
}

.accent-text {
    color: var(--color-accent);
}

.section-lead a {
    color: var(--color-accent);
    text-decoration: underline;
    text-decoration-color: rgba(92, 184, 240, 0.4);
    text-underline-offset: 3px;
}

.section-lead a:hover {
    color: var(--color-accent-light);
    text-decoration-color: var(--color-accent-light);
}

.section-link {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-top: 1.5rem;
}

.section-link:hover {
    color: var(--color-accent-light);
}

/* ===================================
   Typography
   =================================== */
h1 {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 3.2vw, 2.5rem);
    font-weight: 300;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

h2,
.section-heading {
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1.25rem;
}

h3 {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    font-size: 1.0625rem;
    line-height: 1.9;
}

p:last-child {
    margin-bottom: 0;
}

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

a:hover {
    color: var(--color-accent);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: 2px;
}

/* Sections receive focus programmatically after anchor navigation —
   no outline needed since focus simply continues from there */
main[tabindex]:focus,
main[tabindex]:focus-visible,
section[tabindex]:focus,
section[tabindex]:focus-visible {
    outline: none;
}

.section-heading {
    text-align: left;
}

.link-separator {
    display: inline-block;
    width: 3px;
    height: 3px;
    background-color: var(--color-text-muted);
    border-radius: 50%;
    vertical-align: middle;
    margin: 0 0.25rem;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    z-index: 1000;
    border-bottom: 1px solid transparent;
    transition: border-color 0.4s ease, background-color 0.4s ease, backdrop-filter 0.4s ease;
}

.navbar.scrolled {
    background-color: rgba(14, 14, 20, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: var(--color-border);
}

.nav-container {
    max-width: none;
    margin: 0;
    padding: 0 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
}

.nav-name {
    display: flex;
    align-items: center;
}

.nav-logo {
    height: 5.5rem;
    width: auto;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.nav-name:hover .nav-logo {
    opacity: 1;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.6rem;
    list-style: none;
}

.nav-links a {
    font-family: var(--font-sans);
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-accent);
    opacity: 0.7;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
    opacity: 1;
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1px;
    background-color: rgba(255,255,255,0.7);
    transition: var(--transition);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-hero);
    padding: var(--nav-height) 2rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    pointer-events: none;
}

.hero-bg canvas {
    width: 100%;
    height: 100%;
    opacity: 0.7;
}

.hero-content {
    max-width: 700px;
    text-align: center;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-tagline {
    font-family: var(--font-sans);
    font-size: clamp(0.6rem, 1.15vw, 0.75rem);
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    opacity: 0.7;
    margin-bottom: 2.5rem;
    white-space: nowrap;
}

.hero h1 {
    color: var(--color-hero-text);
    font-weight: 300;
    font-style: normal;
    margin-bottom: 1.75rem;
}

.hero-credentials {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin-bottom: 2rem;
}

.hero-sub {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text-light);
    max-width: 52ch;
    margin: 0 auto 2.5rem;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem 2rem;
    margin-bottom: 3rem;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-hero-text);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 0.9rem 2.25rem;
    transition: var(--transition);
}

.hero-cta:hover {
    background-color: var(--color-hero-text);
    color: var(--color-bg-hero);
    border-color: var(--color-hero-text);
}

.hero-cta-secondary {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    position: relative;
    transition: color 0.3s ease;
}

.hero-cta-secondary::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-accent);
    opacity: 0.4;
    transition: opacity 0.3s ease;
}

.hero-cta-secondary:hover {
    color: var(--color-accent-light);
}

.hero-cta-secondary:hover::after {
    opacity: 1;
}

.hero-credentials span:not(.link-separator) {
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-light);
}

.hero-scroll-hint {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    opacity: 0.5;
    transition: color 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
    animation: gentleBounce 3s ease-in-out infinite;
}

.hero-scroll-hint:hover {
    opacity: 0.9;
}

@keyframes gentleBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* ===================================
   Philosophy Section
   =================================== */
.philosophy {
    background-color: var(--color-bg);
}

.philosophy p {
    font-family: var(--font-serif);
    font-size: 1.0625rem;
}

.philosophy ul {
    padding-left: 1.5rem;
    margin: 0.75rem 0;
    list-style: none;
}

.philosophy ul li {
    font-family: var(--font-serif);
    font-size: 0.9375rem;
    color: var(--color-text);
    margin-bottom: 0.3rem;
    padding-left: 0.4rem;
    position: relative;
}

.philosophy ul li::before {
    content: '\00B7';
    position: absolute;
    left: -0.6rem;
    color: var(--color-text);
    font-size: 0.75rem;
}

/* ===================================
   Expertise Section
   =================================== */
.expertise {
    background-color: var(--color-bg-alt);
}

.expertise-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}

.pillar {
    position: relative;
    padding: 1.1rem 1.5rem 1.1rem;
    border-top: 1px solid var(--color-border);
}

.pillar + .pillar {
    border-left: 1px solid var(--color-border);
}

.pillar:first-child {
    padding-left: 0;
}

.pillar:last-child {
    padding-right: 0;
}

.pillar::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.pillar:hover::before {
    width: 100%;
}

.pillar-index {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 400;
    line-height: 1;
    color: var(--color-text-muted);
    margin-bottom: 0.9rem;
    transition: color 0.4s ease;
}

.pillar:hover .pillar-index {
    color: var(--color-accent);
}

.pillar-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    line-height: 1.15;
    color: var(--color-text);
    margin-bottom: 0.4rem;
}

.pillar-prov {
    font-family: var(--font-sans);
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-accent);
    line-height: 1.45;
    margin-bottom: 0.75rem;
}

.pillar-desc {
    font-family: var(--font-serif);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--color-text-light);
    margin-bottom: 0.85rem;
}

.pillar-caps {
    list-style: none;
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--color-text-light);
}

.pillar-caps li {
    padding: 0.2rem 0;
    transition: color 0.3s ease;
}

.pillar:hover .pillar-caps li {
    color: var(--color-text);
}

/* Staggered reveal for pillars */
.expertise.reveal .pillar {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.expertise.visible .pillar {
    opacity: 1;
    transform: none;
}

.expertise.visible .pillar:nth-child(2) {
    transition-delay: 0.12s;
}

.expertise.visible .pillar:nth-child(3) {
    transition-delay: 0.24s;
}

@media (prefers-reduced-motion: reduce) {
    .expertise.reveal .pillar {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .pillar::before {
        transition: none;
    }
}

/* ===================================
   About Section
   =================================== */
.about {
    background-color: var(--color-bg-alt);
}

.about-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 230px;
    gap: 2.75rem;
    align-items: start;
}

.about-lead {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    line-height: 1.35;
}

.about-text .about-subtitle {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--color-text-light);
    margin-bottom: 0.8rem;
    line-height: 1.5;
}

.about-text p {
    font-family: var(--font-serif);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 0.85rem;
    text-align: justify;
    text-justify: inter-word;
    hyphens: auto;
    -webkit-hyphens: auto;
    hyphenate-limit-chars: 7 3 3;
    text-wrap: pretty;
}

/* Keep proper nouns from breaking or hyphenating */
.nowrap {
    hyphens: none;
    -webkit-hyphens: none;
    white-space: nowrap;
}

.about-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

.about-links a {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    position: relative;
    white-space: nowrap;
}

.about-links a:hover {
    color: var(--color-accent);
}

.about-image {
    flex-shrink: 0;
}

.profile-photo {
    width: 100%;
    max-width: 230px;
    height: auto;
    object-fit: cover;
    filter: grayscale(20%) contrast(1.02);
    transition: filter 0.6s ease;
}

.profile-photo:hover {
    filter: grayscale(0%) contrast(1);
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background-color: var(--color-bg);
}

/* Honeypot - hidden from humans */
.hp-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

.contact-form {
    max-width: 500px;
}

.form-status {
    max-width: 500px;
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    line-height: 1.6;
    color: #e8a0a0;
    border: 1px solid rgba(224, 106, 106, 0.45);
    border-left: 2px solid #e06a6a;
    padding: 0.85rem 1.1rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--color-text);
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    padding: 0.6rem 0;
    outline: none;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    border-bottom-color: var(--color-accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text);
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 0.9rem 2.5rem;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 0.5rem;
}

.form-submit:hover {
    background-color: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}

.form-submit:disabled {
    opacity: 0.55;
    cursor: default;
}

.contact-form.was-validated input:invalid,
.contact-form.was-validated textarea:invalid {
    border-bottom-color: #e06a6a;
}

.contact-statement {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 400;
    font-style: italic;
    color: var(--color-text-light);
    margin-bottom: 1.25rem;
    letter-spacing: 0;
    text-transform: none;
}

.contact-email-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-text);
    border: 1px solid var(--color-text-muted);
    padding: 1rem 2.5rem;
    text-decoration: none;
    transition: var(--transition);
    margin-bottom: 1.5rem;
}

.contact-email-btn:hover {
    background-color: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}

.contact-email-icon {
    font-size: 1.25rem;
    line-height: 1;
}

.contact-hint {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding-top: 0.5rem;
}

.contact-links a {
    font-family: var(--font-sans);
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.contact-links a:hover {
    color: var(--color-accent);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: #08080c;
    padding: 3rem 0 2.5rem;
    position: relative;
    overflow: hidden;
}

.footer-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    pointer-events: none;
}

.footer-bg canvas {
    width: 100%;
    height: 100%;
    opacity: 0.7;
}

.footer-inner {
    max-width: var(--wide-width);
    margin: 0 auto;
    padding: 0 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    position: relative;
    z-index: 1;
}

.footer-divider {
    width: 60%;
    max-width: 400px;
    height: 1px;
    background-color: rgba(255,255,255,0.08);
    margin-bottom: 1rem;
}

.footer-sigma {
    height: 1.5rem;
    width: auto;
    opacity: 1;
    margin-bottom: 0.25rem;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.footer-links a {
    font-family: var(--font-sans);
    font-size: 0.5625rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.3);
}

.footer-links a:hover {
    color: rgba(255,255,255,0.6);
}

.footer-links .link-separator {
    background-color: rgba(255,255,255,0.15);
}

.footer-copy {
    font-family: var(--font-sans);
    font-size: 0.625rem;
    color: rgba(255,255,255,0.2);
    letter-spacing: 0.05em;
    margin-bottom: 0;
}

/* ===================================
   Research Section
   =================================== */
.research {
    background-color: var(--color-bg);
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem 3rem;
}

.research-theme {
    border-top: 1px solid var(--color-border);
    padding-top: 1.25rem;
}

.research-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-transform: none;
    color: var(--color-text);
    margin-bottom: 0.6rem;
}

.research-theme p {
    font-size: 1rem;
    line-height: 1.65;
    margin-bottom: 0;
}

/* ===================================
   Publications Section
   =================================== */
.publications {
    background-color: var(--color-bg-alt);
}

.pub-list {
    list-style: none;
    counter-reset: pub;
    max-width: 62ch;
}

.pub-item {
    counter-increment: pub;
    position: relative;
    padding: 0.85rem 0 0.85rem 3rem;
    border-top: 1px solid var(--color-border);
}

.pub-item:last-child {
    border-bottom: 1px solid var(--color-border);
}

.pub-item::before {
    content: counter(pub, decimal-leading-zero);
    position: absolute;
    left: 0;
    top: 1.6rem;
    font-family: var(--font-serif);
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.pub-title {
    font-family: var(--font-serif);
    font-size: 1.1875rem;
    line-height: 1.45;
    color: var(--color-text);
    margin-bottom: 0.4rem;
}

.pub-title a {
    color: var(--color-text);
}

.pub-title a:hover {
    color: var(--color-accent);
}

.pub-meta {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--color-text-muted);
    letter-spacing: 0.01em;
    line-height: 1.5;
    margin-bottom: 0;
}

/* ===================================
   Open Source Section
   =================================== */
.open-source {
    background-color: var(--color-bg);
}

.oss-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.oss-card {
    border: 1px solid var(--color-border);
    padding: 1.4rem 1.4rem;
    display: flex;
    flex-direction: column;
    transition: border-color 0.35s ease, transform 0.35s ease;
}

.oss-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
}

.oss-name {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    text-transform: none;
    letter-spacing: 0;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.oss-name a {
    color: var(--color-text);
}

.oss-name a:hover {
    color: var(--color-accent);
}

.oss-desc {
    font-family: var(--font-serif);
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--color-text-light);
    margin-bottom: 1rem;
    flex-grow: 1;
}

.oss-link {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    align-self: flex-start;
    margin-top: auto;
}

.oss-link:hover {
    text-decoration: underline;
    text-underline-offset: 0.3em;
}

/* ===================================
   Speaking Section
   =================================== */
.speaking {
    background-color: var(--color-bg-alt);
}

.speaking-topics {
    list-style: none;
    margin-bottom: 2rem;
    max-width: 62ch;
}

.speaking-topics li {
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    line-height: 1.5;
    color: var(--color-text-light);
    padding: 0.6rem 0 0.6rem 1.75rem;
    border-top: 1px solid var(--color-border);
    position: relative;
}

.speaking-topics li:last-child {
    border-bottom: 1px solid var(--color-border);
}

.speaking-topics li::before {
    content: '\2192';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.speaking-formats {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* ===================================
   Teaching Section
   =================================== */
.teaching {
    background-color: var(--color-bg);
}

/* Summer school details */
.ss-details {
    display: flex;
    flex-direction: column;
    max-width: 62ch;
}

.ss-block {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 2.5rem;
    border-top: 1px solid var(--color-border);
    padding: 1.5rem 0;
}

.ss-label {
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0;
    padding-top: 0.2rem;
}

.ss-block p {
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 0;
}

.ss-block a {
    color: var(--color-accent);
    white-space: nowrap;
}

.ss-block a:hover {
    color: var(--color-accent-light);
}

/* ===================================
   Scroll Reveal Animations
   =================================== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
    .hero-scroll-hint { animation: none; }
}

/* ===================================
   Responsive
   =================================== */
/* Let the hero tagline wrap before it can overflow narrow viewports */
@media (max-width: 900px) {
    .hero-tagline {
        white-space: normal;
    }
}

/* Tablet & below: switch the multi-item nav to a dropdown */
@media (max-width: 1300px) {
    .nav-container {
        padding: 0 2rem;
    }

    .nav-logo {
        height: 4.5rem;
    }

    .nav-toggle {
        display: flex;
        padding: 0.75rem;
        -webkit-tap-highlight-color: transparent;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: rgba(14, 14, 20, 0.97);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 1.5rem 2rem 2rem;
        gap: 0;
        border-bottom: 1px solid var(--color-border);
        opacity: 0;
        transform: translateY(-8px);
        pointer-events: none;
        display: flex;
        transition: opacity 0.25s ease, transform 0.25s ease;
    }

    .nav-links.active {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 0.85rem 0;
        font-size: 0.72rem;
        letter-spacing: 0.18em;
    }

    .nav-links a::after {
        display: none;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 17px;
    }

    section {
        min-height: auto;
        padding: 3.5rem 0;
    }

    .hero {
        min-height: 100vh;
        min-height: 100svh;
        padding: var(--nav-height) 1.5rem 3rem;
    }

    .hero h1 {
        font-size: clamp(1.5rem, 5.5vw, 2.25rem);
    }

    .hero-tagline {
        margin-bottom: 2rem;
        white-space: normal;
        letter-spacing: 0.1em;
    }

    .hero-credentials {
        gap: 0.4rem 0.85rem;
        margin-bottom: 2.5rem;
    }

    .hero-credentials span:not(.link-separator) {
        font-size: 0.625rem;
    }

    .expertise-pillars {
        grid-template-columns: 1fr;
    }

    .hero-sub {
        font-size: 1.0625rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: 1.5rem;
        margin-bottom: 2.5rem;
    }

    .hero-cta {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }

    .research-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .ss-block {
        grid-template-columns: 1fr;
        gap: 0.6rem;
        padding: 1.25rem 0;
    }

    .ss-label {
        padding-top: 0;
    }

    .oss-grid {
        grid-template-columns: 1fr;
    }

    .section-lead {
        font-size: 1.0625rem;
        margin-bottom: 2rem;
    }

    .pub-item {
        padding-left: 2.25rem;
    }

    .pillar {
        padding: 1.75rem 0;
        border-left: none;
    }

    .pillar + .pillar {
        border-left: none;
    }

    .pillar:last-child {
        padding-bottom: 0;
    }

    .nav-container {
        padding: 0 1.5rem;
    }

    .nav-logo {
        height: 4rem;
    }

    .about-layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .about-image {
        order: -1;
    }

    .profile-photo {
        width: 200px;
    }

    .about-links {
        flex-wrap: wrap;
        gap: 0.75rem 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    /* Prevent iOS auto-zoom on input focus */
    .form-group input,
    .form-group textarea {
        font-size: 16px;
    }

    .form-submit {
        width: 100%;
        padding: 1rem 2rem;
    }

    .contact-links {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .contact-links .link-separator {
        display: none;
    }

    .footer-inner {
        padding: 0 1.5rem;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.75rem 1.5rem;
    }

    .footer-divider {
        width: 80%;
    }

    .footer-copy {
        text-align: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 16px;
    }

    .content-narrow {
        padding: 0 1.25rem;
    }

    .content-wide {
        padding: 0 1.25rem;
    }

    .hero-content {
        padding: 0 0.5rem;
    }

    .profile-photo {
        width: 160px;
    }

    .about-links {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }

    .about-links .link-separator {
        display: none;
    }

    .footer-links .link-separator {
        display: none;
    }

    .footer-links {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .navbar, .hero-bg, .hero-scroll-hint, .contact-form, .footer-bg, .form-status {
        display: none;
    }

    body,
    section,
    .footer {
        background: #fff;
        color: #1a1a2e;
    }

    h1, h2, h3, p, a, li,
    .pub-title, .pub-meta, .pillar-title, .pillar-desc, .pillar-caps,
    .research-title, .oss-name, .oss-desc, .oss-link,
    .hero-credentials span:not(.link-separator),
    .footer-links a, .footer-copy {
        color: #1a1a2e !important;
    }

    .hero {
        min-height: auto;
        padding: 2rem;
        background: #fff;
    }

    section {
        min-height: auto;
        padding: 2rem 0;
    }

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