/* ==========================================================================
   COSMIC THEME — A.M. Matziorinis
   Warm gold accent, serif display type, grain overlay, glass surfaces
   ========================================================================== */

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

:root {
    --black: #060608;
    --dark-gray: #0e0e12;
    --mid-gray: #1e1e24;
    --border: rgba(255, 255, 255, 0.06);
    --light-gray: #7a7770;
    --white: #ece9e1;
    --off-white: #c8c4ba;
    --accent: #d4a574;
    --accent-bright: #f0c896;
    --accent-dim: #8a6a48;
    --accent-glow: rgba(212, 165, 116, 0.15);
    --font-display: 'Cormorant Garamond', 'Georgia', serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    background: var(--black);
    color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    font-size: 16px;
}

/* Grain overlay */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 200px;
}

::selection { background: var(--accent); color: var(--black); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--white); }

/* ==========================================================================
   Network Canvas Background
   ========================================================================== */

#cosmos,
#network-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.content-wrapper {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    overflow-x: hidden;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

body > header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.2rem 0;
    border-bottom: 1px solid transparent;
    background: transparent;
    transition: background 0.5s, border-color 0.5s, backdrop-filter 0.5s;
}

body > header.scrolled {
    background: rgba(6, 6, 8, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom-color: var(--border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 101;
}

.logo {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    color: var(--white);
    letter-spacing: -0.01em;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo a {
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    height: 24px;
    width: auto;
    border-radius: 3px;
}

nav ul {
    display: flex;
    gap: 1.8rem;
    list-style: none;
}

nav a {
    font-size: 0.72rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--light-gray);
    transition: color 0.2s;
    text-decoration: none;
}

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

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    padding: 10rem 0 6rem;
    max-width: 900px;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 5rem);
    font-weight: 300;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    color: var(--white);
    letter-spacing: -0.02em;
    animation: fadeInUp 0.8s ease-out;
}

.hero h1 em {
    font-style: italic;
    color: var(--accent);
}

.hero .tagline {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 300;
    font-style: italic;
    color: var(--accent);
    margin-bottom: 2.5rem;
    line-height: 1.4;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero .bio {
    font-size: 1.1rem;
    color: var(--off-white);
    line-height: 1.9;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero .cta {
    display: inline-flex;
    gap: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero .cta a {
    padding: 1rem 2rem;
    border-radius: 0;
    text-decoration: none;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.hero .cta .primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-bright));
    color: var(--black);
    box-shadow: 0 4px 20px rgba(212, 165, 116, 0.25);
}

.hero .cta .primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(212, 165, 116, 0.35);
}

.hero .cta .secondary {
    border: 1px solid var(--accent-dim);
    color: var(--accent);
    background: transparent;
}

.hero .cta .secondary:hover {
    border-color: var(--accent);
    background: var(--accent-glow);
    transform: translateY(-2px);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero-decoration {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    z-index: -1;
}

.hero-eye {
    height: 3.5rem;
    width: auto;
    vertical-align: middle;
    margin-right: 0.75rem;
    filter: drop-shadow(0 0 20px rgba(212, 165, 116, 0.5)) drop-shadow(0 0 40px rgba(212, 165, 116, 0.15));
    animation: heroEyePulse 4s ease-in-out infinite;
    position: relative;
    top: -2px;
}

@keyframes heroEyePulse {
    0%, 100% { filter: drop-shadow(0 0 20px rgba(212, 165, 116, 0.5)) drop-shadow(0 0 40px rgba(212, 165, 116, 0.15)); transform: scale(1); }
    50% { filter: drop-shadow(0 0 30px rgba(212, 165, 116, 0.7)) drop-shadow(0 0 60px rgba(212, 165, 116, 0.25)); transform: scale(1.03); }
}

.float-node {
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.08) 0%, transparent 70%);
    border: 1px solid rgba(212, 165, 116, 0.08);
    animation: float 8s ease-in-out infinite;
}

.float-node:nth-child(1) { animation-delay: 0s; animation-duration: 7s; }
.float-node:nth-child(2) { animation-delay: 1s; animation-duration: 9s; }
.float-node:nth-child(3) { animation-delay: 2s; animation-duration: 8s; }
.float-node:nth-child(4) { animation-delay: 1.5s; animation-duration: 10s; }
.float-node:nth-child(5) { animation-delay: 0.5s; animation-duration: 7.5s; }

.float-node::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(212, 165, 116, 0.6);
    animation: pulse 2.5s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(180deg); }
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
    50% { transform: translate(-50%, -50%) scale(1.5); opacity: 0.4; }
}

/* ==========================================================================
   Blog Index
   ========================================================================== */

.blog-header {
    padding: 8rem 0 2rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 3rem;
}

.blog-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 300;
    color: var(--white);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.blog-header p {
    font-size: 1.05rem;
    color: var(--light-gray);
}

.blog-list { max-width: 800px; }

.blog-item {
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
    transition: all 0.2s;
}

.blog-item:hover { padding-left: 1rem; }

.blog-item .date {
    font-size: 0.8rem;
    color: var(--light-gray);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.blog-item h3 {
    font-family: var(--font-body);
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.blog-item h3 a { color: var(--white); text-decoration: none; }
.blog-item h3 a:hover { color: var(--accent); }

.blog-item .excerpt {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--off-white);
}

/* ==========================================================================
   Blog Post
   ========================================================================== */

.blog-post {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0 auto;
    padding: 10rem 2rem 6rem;
}

.blog-post .post-header,
.blog-post .post-content,
.blog-post .post-footer {
    max-width: 100%;
}

.post-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.post-meta {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    color: var(--light-gray);
    font-size: 0.75rem;
    margin-bottom: 0.75rem;
    letter-spacing: 0.03em;
}

.post-meta .separator { color: var(--mid-gray); }

.back-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.85rem;
    display: inline-block;
    margin-bottom: 1.5rem;
    transition: color 0.2s;
    letter-spacing: 0.05em;
}

.back-link:visited { color: var(--accent); }
.back-link:hover { color: var(--white); }

.post-header h1 {
    font-family: var(--font-body);
    font-size: 1.5rem;
    line-height: 1.4;
    margin-bottom: 0.75rem;
    color: var(--white);
    font-weight: 500;
    letter-spacing: -0.01em;
    max-width: 100%;
}

.post-subtitle {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--light-gray);
    margin-bottom: 0;
    font-style: italic;
}

.post-content {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--off-white);
}

.post-content p { margin-bottom: 1.75rem; }

.post-content h2 {
    font-family: var(--font-body);
    font-size: 1.4rem;
    color: var(--white);
    margin-top: 3.5rem;
    margin-bottom: 1.75rem;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.post-content h3 {
    font-family: var(--font-body);
    font-size: 1.15rem;
    color: var(--white);
    margin-top: 2.5rem;
    margin-bottom: 1.25rem;
    font-weight: 500;
}

.post-content ol, .post-content ul {
    margin-bottom: 1.75rem;
    padding-left: 2rem;
}

.post-content li { margin-bottom: 0.75rem; line-height: 1.8; }

.post-content a { color: var(--accent); border-bottom: 1px solid transparent; }
.post-content a:hover { border-bottom-color: var(--accent); }

.post-content blockquote {
    border-left: 2px solid var(--accent-dim);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    font-size: 1.05rem;
    color: var(--off-white);
}

.post-content .highlight {
    background: rgba(14, 14, 18, 0.6);
    border-left: 2px solid var(--accent);
    padding: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--off-white);
    border-radius: 4px;
    backdrop-filter: blur(4px);
}

.post-content code {
    background: var(--dark-gray);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.85em;
    color: var(--accent);
}

.post-content pre {
    background: var(--dark-gray);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 2rem 0;
}

.post-content pre code { background: none; padding: 0; color: var(--off-white); }

.post-content img { max-width: 100%; border-radius: 4px; margin: 2rem 0; }

.post-footer {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border);
}

.post-footer h3 {
    font-family: var(--font-body);
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.references { list-style: none; counter-reset: reference-counter; padding-left: 0; }

.references li {
    counter-increment: reference-counter;
    margin-bottom: 1.25rem;
    padding-left: 2.5rem;
    position: relative;
    color: var(--off-white);
    font-size: 0.9rem;
    line-height: 1.7;
}

.references li::before {
    content: counter(reference-counter) ".";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 500;
}

/* ==========================================================================
   Research Page
   ========================================================================== */

.research-header {
    padding: 8rem 0 2rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 3rem;
}

.research-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 300;
    color: var(--white);
    margin-bottom: 1rem;
}

.research-header p {
    font-size: 1.05rem;
    color: var(--off-white);
    max-width: 800px;
}

.research-list { max-width: 900px; }

.research-section-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--accent);
    margin-top: 3rem;
    margin-bottom: 2rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--accent-dim);
    font-weight: 400;
}

.research-section-title:first-child { margin-top: 0; }

.research-item {
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
    transition: all 0.2s;
}

.research-item.submitted {
    background: var(--accent-glow);
    padding: 2rem 1.5rem;
    border-left: 2px solid var(--accent);
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.research-item.preprint {
    background: rgba(122, 119, 112, 0.05);
    padding: 2rem 1.5rem;
    border-left: 2px solid var(--light-gray);
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.research-item:hover { padding-left: 1rem; }

.research-item h3 {
    font-size: 1.05rem;
    color: var(--white);
    margin-bottom: 0.75rem;
    line-height: 1.5;
    font-weight: 400;
}

.research-item .authors { color: var(--off-white); font-size: 0.9rem; margin-bottom: 0.5rem; }
.research-item .journal { color: var(--accent); font-size: 0.85rem; font-style: italic; }

.research-item a { color: var(--accent); font-size: 0.85rem; display: inline-block; margin-top: 0.5rem; }
.research-item a:hover { color: var(--white); }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    padding: 3rem 0;
    text-align: center;
    color: var(--light-gray);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
    margin-top: 4rem;
    position: relative;
    z-index: 1;
}

.social-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
    z-index: 10;
}

.social-links a:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(212, 165, 116, 0.3);
}

.social-links a svg { width: 16px; height: 16px; fill: var(--white); }

/* ==========================================================================
   About Page
   ========================================================================== */

.about-page {
    max-width: 1000px;
    margin: 0 auto;
    padding: 8rem 0 3rem;
}

.about-header {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border);
    align-items: center;
}

.about-photo img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-dim);
    box-shadow: 0 0 40px rgba(212, 165, 116, 0.15);
}

.about-intro h1 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 0.5rem;
    font-weight: 300;
}

.about-intro .credentials { font-size: 1.1rem; color: var(--accent); margin-bottom: 0.5rem; }
.about-intro .location { font-size: 1rem; color: var(--off-white); margin-bottom: 1.5rem; }

.contact-links {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    font-size: 0.9rem;
}

.contact-links a { color: var(--accent); }
.contact-links a:hover { color: var(--white); }
.contact-links span { color: var(--mid-gray); }

.about-content { max-width: 800px; }
.about-content section { margin-bottom: 3.5rem; }

.about-content h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.about-content h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.about-content p { color: var(--off-white); line-height: 1.8; margin-bottom: 1.25rem; font-size: 1rem; }

.about-content ul { list-style: none; padding-left: 0; }

.about-content ul li {
    color: var(--off-white);
    line-height: 1.8;
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    font-size: 1rem;
}

.about-content ul li::before { content: "\00b7"; position: absolute; left: 0.2rem; color: var(--accent-dim); font-size: 1.4rem; }

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}

.expertise-card {
    background: rgba(14, 14, 18, 0.5);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1.5rem;
    transition: all 0.3s;
    backdrop-filter: blur(4px);
}

.expertise-card:hover { border-color: var(--accent-dim); transform: translateY(-2px); }

.expertise-card h3 { color: var(--accent); font-size: 1rem; margin-bottom: 0.75rem; }
.expertise-card p { color: var(--off-white); font-size: 0.9rem; line-height: 1.6; margin-bottom: 0; }

.contact-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-bright));
    color: var(--black);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(212, 165, 116, 0.25);
}

.contact-button:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(212, 165, 116, 0.35); color: var(--black); }

@media (max-width: 768px) {
    .about-page { padding-top: 6rem; }
    .about-header { grid-template-columns: 1fr; text-align: center; }
    .about-photo img { margin: 0 auto; }
    .contact-links { justify-content: center; }
    .expertise-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   SEAM Page
   ========================================================================== */

.seam-page { max-width: 1000px; margin: 0 auto; padding: 8rem 0 3rem; }

.seam-header {
    text-align: center;
    padding: 2rem 0 3rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 4rem;
}

.seam-header h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 4.5rem);
    color: var(--white);
    margin-bottom: 1rem;
    font-weight: 300;
    letter-spacing: -0.02em;
}

.seam-subtitle { font-size: 1.6rem; color: var(--accent); margin-bottom: 0.5rem; font-weight: 400; }
.seam-tagline { font-family: var(--font-display); font-size: 1.2rem; color: var(--off-white); font-style: italic; }

.seam-content { max-width: 900px; margin: 0 auto; }
.seam-content section { margin-bottom: 4rem; }

.seam-content h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 2rem;
    font-weight: 300;
}

.seam-content h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--white);
    margin-bottom: 1rem;
    font-weight: 400;
}

.seam-content p { color: var(--off-white); line-height: 1.8; margin-bottom: 1.5rem; font-size: 1.05rem; }

.principle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}

.principle-card {
    background: rgba(14, 14, 18, 0.5);
    border: 1px solid var(--border);
    border-left: 2px solid var(--accent-dim);
    border-radius: 4px;
    padding: 2rem;
    transition: all 0.3s;
    backdrop-filter: blur(4px);
}

.principle-card:hover { border-color: var(--accent-dim); transform: translateY(-2px); }
.principle-card h3 { color: var(--accent); margin-bottom: 1rem; }
.principle-card p { color: var(--off-white); font-size: 0.95rem; line-height: 1.7; margin-bottom: 0; }

.method-steps { margin-top: 2rem; }

.method-step { display: flex; gap: 2rem; margin-bottom: 3rem; align-items: flex-start; }

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-bright));
    color: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 400;
    box-shadow: 0 4px 16px rgba(212, 165, 116, 0.25);
}

.step-content h3 { margin-bottom: 0.75rem; }
.step-content p { color: var(--off-white); margin-bottom: 0; }

.application-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}

.application-item {
    background: rgba(14, 14, 18, 0.5);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2rem;
    transition: all 0.3s;
    backdrop-filter: blur(4px);
}

.application-item:hover { background: var(--accent-glow); border-color: var(--accent-dim); }
.application-item h3 { color: var(--white); margin-bottom: 1rem; }
.application-item p { color: var(--off-white); margin-bottom: 0; font-size: 0.95rem; }

.seam-seminars { margin-top: 3rem; padding-top: 3rem; border-top: 1px solid var(--border); }

.seminars-intro { text-align: center; max-width: 700px; margin: 0 auto 3rem; color: var(--off-white); font-size: 1.05rem; }

.seminar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.seminar-card {
    background: rgba(14, 14, 18, 0.5);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2rem;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(4px);
}

.seminar-card:hover { border-color: var(--accent-dim); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(212, 165, 116, 0.1); }

.seminar-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; }
.seminar-header h3 { color: var(--white); font-size: 1.3rem; margin: 0; line-height: 1.3; }

.seminar-price {
    background: var(--accent);
    color: var(--black);
    padding: 0.4rem 0.8rem;
    font-weight: 500;
    font-size: 0.85rem;
    white-space: nowrap;
}

.seminar-description { color: var(--off-white); line-height: 1.7; margin-bottom: 1.5rem; flex-grow: 1; font-size: 0.95rem; }

.seminar-details {
    background: rgba(255, 255, 255, 0.03);
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
}

.seminar-details p { margin: 0; color: var(--off-white); font-size: 0.9rem; }

.seminar-button {
    display: block;
    text-align: center;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-bright));
    color: var(--black);
    text-decoration: none;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(212, 165, 116, 0.25);
}

.seminar-button:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(212, 165, 116, 0.35); color: var(--black); }

.seminars-note {
    text-align: center;
    color: var(--light-gray);
    font-size: 0.85rem;
    font-style: italic;
    max-width: 700px;
    margin: 2rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

@media (max-width: 768px) {
    .seam-page { padding-top: 6rem; }
    .seam-header h1 { font-size: 2.5rem; }
    .seam-subtitle { font-size: 1.3rem; }
    .principle-grid { grid-template-columns: 1fr; }
    .method-step { flex-direction: column; gap: 1rem; }
    .application-list { grid-template-columns: 1fr; }
    .seminar-grid { grid-template-columns: 1fr; }
    .seminar-header { flex-direction: column; align-items: flex-start; }
}

/* ==========================================================================
   Newsletter Section
   ========================================================================== */

.newsletter-section,
.newsletter-section-blog,
.newsletter-section-hero {
    position: relative;
    z-index: 1;
    max-width: 480px;
    margin: 4rem auto;
    padding: 2.5rem 2rem;
    background: rgba(14, 14, 18, 0.6);
    border: 1px solid var(--border);
    border-radius: 4px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.newsletter-section h2,
.newsletter-section-blog h2,
.newsletter-section-hero h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 0.75rem;
    font-weight: 300;
}

.newsletter-section p,
.newsletter-section-blog p,
.newsletter-section-hero p {
    color: var(--off-white);
    margin-bottom: 2rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Brevo form overrides for new palette */
#sib-container input.input,
#sib-container .sib-input .entry__field input.input {
    background-color: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid var(--border) !important;
    border-radius: 4px !important;
    color: var(--white) !important;
    -webkit-text-fill-color: var(--white) !important;
    font-family: var(--font-body) !important;
    font-size: 0.95rem !important;
    padding: 12px 16px !important;
}

#sib-container input.input::placeholder {
    color: var(--light-gray) !important;
    -webkit-text-fill-color: var(--light-gray) !important;
}

#sib-container input.input:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 2px var(--accent-glow) !important;
}

.sib-form-block__button {
    background: linear-gradient(135deg, var(--accent), var(--accent-bright)) !important;
    border: none !important;
    border-radius: 0 !important;
    color: var(--black) !important;
    font-family: var(--font-body) !important;
    font-size: 0.75rem !important;
    font-weight: 400 !important;
    letter-spacing: 0.12em !important;
    text-transform: uppercase !important;
    padding: 12px 32px !important;
    transition: all 0.3s !important;
}

.sib-form-block__button:hover {
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 16px rgba(212, 165, 116, 0.3) !important;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

/* Burger menu button */
.nav-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 102;
}

.nav-burger span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--white);
    transition: transform 0.3s, opacity 0.3s;
}

.nav-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 768px) {
    .hero { padding-top: 7rem; }
    .hero h1 { font-size: 2.5rem; }
    .hero .tagline { font-size: 1.2rem; }
    .blog-header, .research-header { padding-top: 6rem; }
    .blog-header h1, .research-header h1 { font-size: 2.5rem; }
    .post-header h1 { font-size: 1.3rem; }
    .blog-post { padding: 8rem 1.5rem 4rem; }

    .hero-eye { height: 2.2rem; margin-right: 0.5rem; }
    .hero .cta { flex-direction: column; gap: 0.75rem; }
    .hero .cta a { text-align: center; }
    .float-node { display: none; }

    .nav-burger { display: flex; }

    nav ul {
        position: fixed;
        top: 0;
        right: 0;
        width: 260px;
        height: 100vh;
        background: rgba(6, 6, 8, 0.96);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: 0;
        transform: translateX(100%);
        transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
        border-left: 1px solid var(--border);
        z-index: 101;
    }

    nav ul.open { transform: translateX(0); }

    nav ul li { border-bottom: 1px solid var(--border); }

    nav a {
        display: block;
        padding: 1rem 0;
        font-size: 0.8rem;
        letter-spacing: 0.1em;
        color: var(--off-white);
    }

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

@media (max-width: 480px) {
    nav { padding: 0 1.5rem; }
}