/* ==========================================================================
   Base Styles - Dark Black/White Theme
   ========================================================================== */

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

:root {
    --black: #0d0d0d;
    --dark-gray: #1a1a1a;
    --mid-gray: #2d2d2d;
    --light-gray: #8a8a8a;
    --white: #ffffff;
    --off-white: #e8e8e8;
    --accent: #ff6b35;
    --accent-dim: #cc5529;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: var(--black);
    color: var(--off-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

#network-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.15;
}

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

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

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

header {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--mid-gray);
    background: var(--black);
    position: relative;
    z-index: 100;
}

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

.logo {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: -0.02em;
    cursor: pointer;
    pointer-events: auto;
    position: relative;
    z-index: 102;
}

nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
    position: relative;
    z-index: 102;
    pointer-events: auto;
}

nav a {
    color: var(--light-gray);
    text-decoration: none;
    transition: color 0.2s;
    font-size: 0.95rem;
    cursor: pointer;
    pointer-events: auto;
    position: relative;
    z-index: 102;
}

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

/* ==========================================================================
   Hero Section (Landing Page)
   ========================================================================== */

.hero {
    padding: 8rem 0 6rem;
    max-width: 900px;
    position: relative;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--white) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    animation: fadeInUp 0.8s ease-out;
}

.hero .tagline {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2.5rem;
    line-height: 1.4;
    font-style: italic;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero .bio {
    font-size: 1.2rem;
    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: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.hero .cta .primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.hero .cta .primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.hero .cta .secondary {
    border: 2px solid var(--mid-gray);
    color: var(--white);
    background: rgba(255, 255, 255, 0.03);
}

.hero .cta .secondary:hover {
    border-color: var(--accent);
    background: rgba(255, 107, 53, 0.1);
    transform: translateY(-2px);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.float-node {
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.15) 0%, rgba(255, 107, 53, 0) 70%);
    border: 1px solid rgba(255, 107, 53, 0.2);
    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: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.8);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0.5;
    }
}

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

.blog-header {
    padding: 4rem 0 2rem;
    border-bottom: 1px solid var(--mid-gray);
    margin-bottom: 3rem;
}

.blog-header h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.5rem;
    letter-spacing: -0.03em;
}

.blog-header p {
    font-size: 1.2rem;
    color: var(--light-gray);
}

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

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

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

.blog-item .date {
    font-size: 0.9rem;
    color: var(--light-gray);
    margin-bottom: 0.5rem;
}

.blog-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

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

.blog-item h3 a:hover {
    color: var(--accent);
}

.blog-item .excerpt {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--light-gray);
}

/* ==========================================================================
   Blog Post Page (Substack Style)
   ========================================================================== */

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

.post-header {
    margin-bottom: 2.5rem;
    padding-top: 1rem;
}

.post-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    color: var(--light-gray);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

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

.post-header h1 {
    font-size: 2.25rem;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--white);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.post-subtitle {
    font-size: 1.1rem;
    line-height: 1.5;
    color: var(--light-gray);
    margin-bottom: 1.5rem;
}

.post-content {
    font-size: 1.15rem;
    line-height: 1.85;
    color: var(--off-white);
}

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

.post-content h2 {
    font-size: 2rem;
    color: var(--white);
    margin-top: 3.5rem;
    margin-bottom: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.post-content h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-top: 2.5rem;
    margin-bottom: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.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);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

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

.post-content blockquote {
    border-left: 3px solid var(--mid-gray);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--light-gray);
}

.post-content .highlight {
    background: var(--dark-gray);
    border-left: 3px solid var(--accent);
    padding: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--off-white);
    border-radius: 4px;
}

.post-content code {
    background: var(--dark-gray);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--accent);
}

.post-content pre {
    background: var(--dark-gray);
    border: 1px solid var(--mid-gray);
    border-radius: 6px;
    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: 6px;
    margin: 2rem 0;
}

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

.post-footer h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.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(--light-gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

.references li::before {
    content: counter(reference-counter) ".";
    position: absolute;
    left: 0;
    color: var(--white);
    font-weight: 600;
}

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

.research-header {
    padding: 4rem 0 2rem;
    border-bottom: 1px solid var(--mid-gray);
    margin-bottom: 3rem;
}

.research-header h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

.research-header p {
    font-size: 1.2rem;
    color: var(--light-gray);
    max-width: 800px;
}

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

.research-section-title {
    font-size: 1.8rem;
    color: var(--accent);
    margin-top: 3rem;
    margin-bottom: 2rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--accent);
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

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

.research-item.submitted {
    background: rgba(255, 107, 53, 0.05);
    padding: 2rem 1.5rem;
    border-left: 3px solid var(--accent);
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.research-item.preprint {
    background: rgba(138, 138, 138, 0.05);
    padding: 2rem 1.5rem;
    border-left: 3px solid var(--light-gray);
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

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

.research-item h3 {
    font-size: 1.1rem;
    color: var(--white);
    margin-bottom: 0.75rem;
    line-height: 1.5;
    font-weight: 500;
}

.research-item .authors {
    color: var(--light-gray);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.research-item .journal {
    color: var(--accent);
    font-size: 0.9rem;
    font-style: italic;
}

.research-item a {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-block;
    margin-top: 0.5rem;
}

.research-item a:hover {
    text-decoration: underline;
}

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

.site-footer {
    padding: 3rem 0;
    text-align: center;
    color: var(--light-gray);
    font-size: 0.9rem;
    border-top: 1px solid var(--mid-gray);
    margin-top: 4rem;
}

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

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--dark-gray);
    border: 1px solid var(--mid-gray);
    transition: all 0.3s ease;
    position: relative;
    z-index: 10;
}

.social-links a:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4);
}

.social-links a svg {
    width: 20px;
    height: 20px;
    fill: var(--white);
}

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

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

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

.about-photo img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent);
    box-shadow: 0 0 30px rgba(255, 107, 53, 0.3);
}

.about-intro h1 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.about-intro .credentials {
    font-size: 1.2rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.about-intro .location {
    font-size: 1.1rem;
    color: var(--light-gray);
    margin-bottom: 1.5rem;
}

.contact-links {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    font-size: 0.95rem;
}

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

.contact-links a:hover {
    text-decoration: underline;
}

.contact-links span {
    color: var(--mid-gray);
}

.about-content {
    max-width: 800px;
}

.about-content section {
    margin-bottom: 3.5rem;
}

.about-content h2 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.about-content h3 {
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.about-content p {
    color: var(--off-white);
    line-height: 1.8;
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
}

.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: 1.05rem;
}

.about-content ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.timeline-item {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--dark-gray);
}

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-item .role {
    color: var(--light-gray);
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    font-style: italic;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.expertise-card {
    background: var(--dark-gray);
    border: 1px solid var(--mid-gray);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s;
}

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

.expertise-card h3 {
    color: var(--accent);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.expertise-card p {
    color: var(--light-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
}

.contact-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.contact-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.contact-section .social-links {
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .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: 3rem 0;
}

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

.seam-header h1 {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.seam-subtitle {
    font-size: 1.8rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.seam-tagline {
    font-size: 1.3rem;
    color: var(--light-gray);
    font-style: italic;
}

.seam-content {
    max-width: 900px;
    margin: 0 auto;
}

.seam-content section {
    margin-bottom: 4rem;
}

.seam-content h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.seam-content h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 1rem;
    font-weight: 600;
}

.seam-content p {
    color: var(--off-white);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

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

.principle-card {
    background: var(--dark-gray);
    border: 1px solid var(--mid-gray);
    border-left: 3px solid var(--accent);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s;
}

.principle-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.2);
}

.principle-card h3 {
    color: var(--accent);
    margin-bottom: 1rem;
}

.principle-card p {
    color: var(--light-gray);
    font-size: 1rem;
    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: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.step-content h3 {
    margin-bottom: 0.75rem;
}

.step-content p {
    color: var(--light-gray);
    margin-bottom: 0;
}

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

.application-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--mid-gray);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s;
}

.application-item:hover {
    background: rgba(255, 107, 53, 0.05);
    border-color: var(--accent);
}

.application-item h3 {
    color: var(--white);
    margin-bottom: 1rem;
}

.application-item p {
    color: var(--light-gray);
    margin-bottom: 0;
    font-size: 1rem;
}

.resource-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.resource-link {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--dark-gray);
    border: 1px solid var(--mid-gray);
    border-radius: 8px;
    color: var(--white);
    text-decoration: none;
    text-align: center;
    transition: all 0.3s;
    font-weight: 500;
}

.resource-link:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.seam-seminars {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 2px solid var(--mid-gray);
}

.seminars-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    color: var(--light-gray);
    font-size: 1.1rem;
}

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

.seminar-card {
    background: var(--dark-gray);
    border: 2px solid var(--mid-gray);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.seminar-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.2);
}

.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: 1.4rem;
    margin: 0;
    line-height: 1.3;
}

.seminar-price {
    background: var(--accent);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1rem;
    white-space: nowrap;
}

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

.seminar-details {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
}

.seminar-details p {
    margin: 0;
    color: var(--light-gray);
    font-size: 0.95rem;
}

.seminar-button {
    display: block;
    text-align: center;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.seminar-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.5);
}

.seminars-note {
    text-align: center;
    color: var(--light-gray);
    font-size: 0.9rem;
    font-style: italic;
    max-width: 700px;
    margin: 2rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid var(--dark-gray);
}

@media (max-width: 768px) {
    .seam-header h1 {
        font-size: 2.5rem;
    }

    .seam-subtitle {
        font-size: 1.4rem;
    }

    .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;
    }

    .seminar-price {
        align-self: flex-start;
    }
}

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

.newsletter-section,
.newsletter-section-blog,
.newsletter-section-hero {
    max-width: 480px;
    margin: 4rem auto;
    padding: 2.5rem 2rem;
    background: rgba(26, 26, 26, 0.7);
    border: 2px solid var(--mid-gray);
    border-radius: 12px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.newsletter-section h2,
.newsletter-section-blog h2,
.newsletter-section-hero h2 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 0.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.newsletter-section p,
.newsletter-section-blog p,
.newsletter-section-hero p {
    color: var(--light-gray);
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.6;
}

.newsletter-form-container {
    max-width: 400px;
    margin: 0 auto;
}

.newsletter-message {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-weight: 500;
}

.newsletter-error {
    background: rgba(239, 68, 68, 0.15);
    border: 2px solid #ef4444;
    color: #fca5a5;
}

.newsletter-success {
    background: rgba(34, 197, 94, 0.15);
    border: 2px solid #22c55e;
    color: #86efac;
}

.newsletter-input-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.newsletter-input-wrapper input[type="email"] {
    width: 100%;
    padding: 0.9rem 1.25rem;
    background: var(--black);
    border: 2px solid var(--mid-gray);
    border-radius: 8px;
    color: var(--white);
    font-size: 1rem;
    transition: all 0.3s;
    text-align: center;
}

.newsletter-input-wrapper input[type="email"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.newsletter-input-wrapper input[type="email"]::placeholder {
    color: var(--light-gray);
}

.newsletter-submit {
    width: 100%;
    padding: 0.9rem 2rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
}

.newsletter-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.5);
}

.captcha-container {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--mid-gray);
}

.captcha-container .g-recaptcha {
    display: inline-block;
}

/* Ensure blog newsletter is centered */
.newsletter-section-blog {
    margin-left: auto;
    margin-right: auto;
}

.newsletter-container {
    max-width: 480px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .newsletter-section,
    .newsletter-section-blog,
    .newsletter-section-hero {
        padding: 2rem 1.5rem;
        margin: 3rem 1rem;
        max-width: 100%;
    }

    .newsletter-section h2,
    .newsletter-section-blog h2,
    .newsletter-section-hero h2 {
        font-size: 1.75rem;
    }

    .newsletter-input-wrapper input[type="email"] {
        padding: 0.85rem 1rem;
    }

    .newsletter-submit {
        padding: 0.85rem 1.5rem;
    }
}

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

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .tagline {
        font-size: 1.2rem;
    }

    nav ul {
        gap: 1.5rem;
    }

    .blog-header h1,
    .research-header h1 {
        font-size: 2.5rem;
    }

    .post-header h1 {
        font-size: 1.75rem;
    }

    .post-content {
        font-size: 1.1rem;
    }

    .blog-post {
        padding: 2rem 1.5rem 4rem;
    }
}