:root {
    --bg-white: #ffffff;
    --text-black: #0a0a0a;
    --navy-blue: #000033; /* Modern Deep Navy */
    --accent-blue: #000080;
    --subtle-grey: #f8f9fa;
    --border-grey: #e5e5e5;
    --transition-speed: 0.4s;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background: var(--bg-white);
    color: var(--text-black);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 {
    color: var(--navy-blue);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

h1 { font-size: clamp(2.5rem, 8vw, 4.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -0.01em; }
p { margin-bottom: 1rem; font-size: 1.1rem; color: #333; }

/* Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    mix-blend-mode: multiply; /* Subtle interaction with BG */
}

.logo {
    font-weight: 800;
    color: var(--navy-blue);
    text-decoration: none;
    font-size: 1.2rem;
    letter-spacing: 1px;
    z-index: 1001;
}

.hamburger {
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
}

.hamburger span {
    display: block;
    width: 30px;
    height: 2px;
    background: var(--navy-blue);
    transition: var(--transition-speed);
}

.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateY(-100%);
    transition: transform 0.6s var(--ease);
    z-index: 1000;
}

.nav-overlay.active {
    transform: translateY(0);
}

.nav-menu {
    list-style: none;
    text-align: center;
}

.nav-menu li {
    margin: 1.5rem 0;
    opacity: 0;
    transform: translateY(20px);
}

.nav-overlay.active .nav-menu li {
    opacity: 1;
    transform: translateY(0);
    transition: 0.4s var(--ease) 0.3s;
}

.nav-menu a {
    text-decoration: none;
    color: var(--navy-blue);
    font-size: 2rem;
    font-weight: 700;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--accent-blue);
    text-decoration: underline;
}

.contact-info-menu {
    margin-top: 3rem;
    text-align: center;
    color: var(--text-black);
    font-size: 0.9rem;
}

/* Sections */
section {
    padding: 10vh 10%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero {
    padding-top: 15vh;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-img-wrapper {
    position: relative;
    max-width: 450px;
    justify-self: center;
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    filter: grayscale(20%);
    box-shadow: 20px 20px 0px var(--subtle-grey);
    transition: var(--transition-speed);
}

.hero-img:hover {
    filter: grayscale(0%);
    transform: translate(5px, 5px);
    box-shadow: 10px 10px 0px var(--border-grey);
}

.cta-group {
    display: flex;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

/* Buttons */
.btn {
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 600;
    border-radius: 2px;
    transition: all 0.3s var(--ease);
    display: inline-block;
    border: 2px solid var(--navy-blue);
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
}

.btn-primary {
    background: var(--navy-blue);
    color: white;
}

.btn-primary:hover {
    background: transparent;
    color: var(--navy-blue);
}

.btn-secondary {
    background: transparent;
    color: var(--navy-blue);
}

.btn-secondary:hover {
    background: var(--subtle-grey);
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.article-card {
    background: white;
    border-bottom: 1px solid var(--border-grey);
    padding-bottom: 2rem;
    transition: transform 0.3s var(--ease);
    text-decoration: none;
    color: inherit;
}

.article-card:hover {
    transform: translateY(-5px);
}

.article-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: 1.5rem;
    background: var(--subtle-grey);
}

.article-meta {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #666;
    margin-bottom: 0.5rem;
}

/* Readings List */
.readings-list {
    max-width: 800px;
    margin-top: 2rem;
}

.reading-item {
    border-bottom: 1px solid var(--border-grey);
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.reading-tag {
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    background: var(--subtle-grey);
    color: var(--navy-blue);
    border-radius: 10px;
    font-weight: bold;
}

/* Form Styles */
.contact-form {
    max-width: 600px;
    margin-top: 2rem;
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--navy-blue);
}

input, textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-grey);
    background: var(--subtle-grey);
    font-family: inherit;
    font-size: 1rem;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--navy-blue);
    background: white;
}

.flash-messages {
    margin-bottom: 2rem;
}

.flash-msg {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 2px;
}

.flash-success { background: #d4edda; color: #155724; border-left: 5px solid #28a745; }
.flash-error { background: #f8d7da; color: #721c24; border-left: 5px solid #dc3545; }

/* Timeline/About */
.timeline {
    margin-top: 3rem;
    border-left: 2px solid var(--navy-blue);
    padding-left: 2rem;
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-2rem - 6px);
    top: 5px;
    width: 10px;
    height: 10px;
    background: var(--navy-blue);
    border-radius: 50%;
}

/* Footer */
footer {
    padding: 5rem 10% 2rem;
    background: var(--subtle-grey);
    border-top: 1px solid var(--border-grey);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { 
    text-decoration: none; 
    color: #444; 
    transition: 0.3s;
}
.footer-links a:hover { color: var(--navy-blue); }

.bottom-bar {
    padding-top: 2rem;
    border-top: 1px solid #ddd;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #888;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--ease);
}

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

.page-transition {
    animation: fadeIn 0.5s var(--ease);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Mobile Responsiveness */
@media (max-width: 992px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-img-wrapper { order: -1; }
    .cta-group { justify-content: center; }
    header { padding: 1.5rem 5%; }
}

@media (max-width: 600px) {
    .cta-group { flex-direction: column; }
    .reading-item { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
    .bottom-bar { flex-direction: column; gap: 1rem; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}