:root {
    /* Presidential Color Palette */
    --primary-purple: #241033;
    --deep-royal: #34164A;
    --silk-purple: #5A2A78;
    --soft-mist: #F7F3FA;
    --pure-white: #FFFFFF;
    --main-text: #1E1E1E;
    --secondary-text: #5C5663;
    --soft-border: #E8E1EE;
    --btn-hover: #452060;
    
    /* Typography */
    --heading-font: 'Merriweather', serif;
    --body-font: 'Source Sans 3', sans-serif;
    
    /* Spacing & Transitions */
    --container-width: 1200px;
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    color: var(--main-text);
    line-height: 1.6;
    background-color: var(--pure-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, .serif {
    font-family: var(--heading-font);
    font-weight: 700;
    color: var(--primary-purple);
}

p {
    margin-bottom: 1.5rem;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-medium);
    cursor: pointer;
    border: none;
    text-align: center;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-purple);
    color: var(--pure-white);
}

.btn-primary:hover {
    background-color: var(--btn-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(36, 16, 51, 0.15);
}

.btn-secondary {
    background-color: transparent;
    color: var(--pure-white);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
    border-color: var(--pure-white);
    background-color: rgba(255, 255, 255, 0.1);
}

/* --- Navigation --- */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: var(--transition-medium);
    padding: 20px 0;
}

nav.scrolled, nav.nav-solid {
    background: var(--pure-white);
    padding: 12px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--pure-white);
    font-family: var(--heading-font);
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

nav.scrolled .logo, nav.nav-solid .logo {
    color: var(--primary-purple);
}

.logo img {
    height: 45px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    text-decoration: none;
    color: var(--pure-white);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-medium);
}

nav.scrolled .nav-links a, nav.nav-solid .nav-links a {
    color: var(--primary-purple);
}

.nav-links a:hover {
    opacity: 0.7;
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    color: var(--pure-white);
    padding: 120px 0 80px;
    overflow: hidden;
}

.silk-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(circle at 18% 20%, rgba(90, 42, 120, 0.28), transparent 32%),
        radial-gradient(circle at 82% 18%, rgba(36, 16, 51, 0.30), transparent 34%),
        radial-gradient(circle at 50% 85%, rgba(52, 22, 74, 0.22), transparent 38%),
        linear-gradient(135deg, #241033 0%, #34164A 48%, #241033 100%);
    background-size: 200% 200%;
    animation: silkMovement 20s infinite alternate ease-in-out;
}

@keyframes silkMovement {
    0% { background-position: 0% 0%; }
    100% { background-position: 100% 100%; }
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-content .label {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 24px;
    opacity: 0.8;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--pure-white);
    font-weight: 800;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
}

.btn-group {
    display: flex;
    gap: 20px;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.portrait-container {
    width: 100%;
    max-width: 450px;
    aspect-ratio: 4/5;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    background: var(--deep-royal);
}

.hero-portrait {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* --- Section Styling --- */
section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--secondary-text);
}

/* --- About Cards --- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.card {
    padding: 40px;
    background: var(--soft-mist);
    border-radius: 8px;
    transition: var(--transition-medium);
    border: 1px solid var(--soft-border);
}

.card:hover {
    transform: translateY(-10px);
    background: var(--pure-white);
    box-shadow: 0 15px 30px rgba(36, 16, 51, 0.08);
}

.card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.card p {
    color: var(--secondary-text);
    font-size: 0.95rem;
    margin: 0;
}

/* --- Leadership Section --- */
.leadership-section {
    background: var(--soft-mist);
}

.leadership-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.leadership-content h2 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--silk-purple);
    margin-bottom: 15px;
}

.leadership-content h3 {
    font-size: 3rem;
    margin-bottom: 5px;
}

.leadership-content .subtitle {
    font-family: var(--body-font);
    font-size: 1.1rem;
    color: var(--secondary-text);
    margin-bottom: 30px;
}

.philosophy-block {
    background: var(--pure-white);
    padding: 30px;
    border-left: 4px solid var(--silk-purple);
    margin: 40px 0;
    font-style: italic;
    color: var(--primary-purple);
    font-size: 1.1rem;
}

.highlight-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.highlight-card {
    padding: 24px;
    background: var(--pure-white);
    border-radius: 6px;
    border: 1px solid var(--soft-border);
}

.highlight-card h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.highlight-card p {
    font-size: 0.9rem;
    color: var(--secondary-text);
    margin: 0;
}

/* --- Manifesto Grid --- */
.manifesto-layout {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.manifesto-featured {
    display: flex;
    justify-content: center;
    width: 100%;
}

.manifesto-featured .manifesto-card {
    max-width: 500px;
    width: 100%;
}

.manifesto-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.manifesto-card {
    padding: 30px;
    background: var(--pure-white);
    border: 1px solid var(--soft-border);
    border-radius: 6px;
    transition: var(--transition-medium);
}

.manifesto-card:hover {
    border-color: var(--silk-purple);
    box-shadow: 0 10px 20px rgba(36, 16, 51, 0.05);
}

.manifesto-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.manifesto-card h3 i {
    color: var(--silk-purple);
    font-size: 1rem;
}

.manifesto-card p {
    font-size: 0.9rem;
    color: var(--secondary-text);
    margin: 0;
}

/* --- Why OPP / Symbol --- */
.why-section {
    text-align: center;
    background: var(--primary-purple);
    color: var(--pure-white);
    padding: 100px 0;
}

.why-section h2 { color: var(--pure-white); }

.belief-lines {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
}

.belief-line {
    font-family: var(--heading-font);
    font-size: 1.5rem;
    padding: 0 20px;
    border-right: 1px solid rgba(255,255,255,0.2);
}

.belief-line:last-child { border: none; }

.symbol-card {
    max-width: 600px;
    margin: 60px auto 0;
    padding: 40px;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
}

.symbol-visual {
    width: 120px;
    height: 150px;
    margin: 0 auto 30px;
    border: 3px solid var(--pure-white);
    border-radius: 8px 8px 15px 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 10px;
}

.symbol-visual::before {
    content: '';
    position: absolute;
    top: -10px;
    width: 40px;
    height: 10px;
    background: var(--pure-white);
    border-radius: 10px;
}

.symbol-visual span {
    font-size: 1.5rem;
    font-weight: 800;
}

.symbol-visual .weight {
    font-size: 0.7rem;
    margin-top: 5px;
    opacity: 0.8;
}

/* --- Forms --- */
.form-section-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
}

.form-container {
    background: var(--pure-white);
    padding: 50px;
    border: 1px solid var(--soft-border);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-purple);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input, select, textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--soft-border);
    border-radius: 4px;
    font-family: var(--body-font);
    font-size: 1rem;
    transition: var(--transition-medium);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--silk-purple);
    box-shadow: 0 0 0 3px rgba(90, 42, 120, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 4px;
    display: none;
    font-size: 0.9rem;
}

.form-message.success {
    display: block;
    background: #e6f4ea;
    color: #1e7e34;
}

.form-message.error {
    display: block;
    background: #fdf2f2;
    color: #c81e1e;
}

/* --- Footer --- */
footer {
    background: var(--primary-purple);
    color: var(--pure-white);
    padding: 100px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 80px;
}

.footer-brand h2 { color: var(--pure-white); font-size: 1.8rem; margin-bottom: 10px; }
.footer-brand .motto { color: var(--soft-mist); font-size: 1.1rem; opacity: 0.8; margin-bottom: 20px; }
.footer-brand .tagline { opacity: 0.6; font-size: 0.9rem; margin-bottom: 30px; }

.contact-info p {
    font-size: 0.9rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0.8;
}

.footer-links h4 { color: var(--pure-white); margin-bottom: 25px; font-size: 1.1rem; }

.footer-links ul {
    list-style: none;
}

.footer-links li { margin-bottom: 12px; }

.footer-links a {
    color: var(--pure-white);
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.6;
    transition: var(--transition-medium);
}

.footer-links a:hover { opacity: 1; padding-left: 5px; }

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    opacity: 0.5;
}

/* --- Mobile Menu --- */
.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--pure-white);
    cursor: pointer;
}

nav.scrolled .mobile-toggle, nav.nav-solid .mobile-toggle { color: var(--primary-purple); }

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

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

/* --- Media Queries --- */
@media (max-width: 992px) {
    .hero-grid, .leadership-grid, .form-section-grid, .footer-grid, .manifesto-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero { text-align: center; }
    .hero-content p { margin-left: auto; margin-right: auto; }
    .btn-group { justify-content: center; }
    .hero-image { order: -1; }
    
    .mobile-toggle { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--primary-purple);
        flex-direction: column;
        padding: 20px;
        gap: 20px;
        text-align: center;
    }
    
    .nav-links.active { display: flex; }
    
    .belief-line { border: none; font-size: 1.2rem; }
    .footer-bottom { flex-direction: column; text-align: center; gap: 20px; }
}