/* ============================================
   Parzival Limited — Public Website
   Shared Stylesheet
   ============================================ */

/* --- Reset & Base --- */

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

:root {
    --color-bg: #232321;
    --color-text: #e8e8e8;
    --color-heading: #ffffff;
    --color-secondary: #aaaaaa;
    --color-muted: #555555;
    --color-divider: rgba(255, 255, 255, 0.1);
    --color-border: rgba(255, 255, 255, 0.4);
    --color-border-hover: #ffffff;
    --color-btn-hover-fill: rgba(255, 255, 255, 0.08);

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

    --max-content: 700px;
    --header-height: 72px;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}


/* --- Header --- */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 0 2rem;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: rgba(35,35,33, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-divider);
}

.header-logo {
    display: flex;
    align-items: center;
}

.header-logo img {
    max-height: 48px;
    max-width: 200px;
    width: auto;
    height: auto;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.header-nav a {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-secondary);
    transition: color 0.3s ease;
}

.header-nav a:hover {
    color: var(--color-heading);
}

.header-nav .nav-cta {
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    transition: all 0.3s ease;
}

.header-nav .nav-cta:hover {
    border-color: var(--color-border-hover);
    color: var(--color-heading);
    background-color: var(--color-btn-hover-fill);
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 1px;
    background-color: var(--color-text);
    margin: 5px 0;
    transition: all 0.3s ease;
}


/* --- Footer --- */

.site-footer {
    padding: 2rem;
    border-top: 1px solid var(--color-divider);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-copy {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--color-muted);
}

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

.footer-links a {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--color-muted);
    text-transform: uppercase;
}

.footer-links a:hover {
    color: var(--color-secondary);
}


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

.hero-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/hero-img.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    opacity: 0.07;
    filter: grayscale(100%);
    z-index: 0;
    pointer-events: none;
}

.hero-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        ellipse at center,
        rgba(35, 35, 33, 0.3) 0%,
        rgba(35, 35, 33, 0.85) 70%,
        rgba(35, 35, 33, 0.95) 100%
    );
    z-index: 1;
    pointer-events: none;
}

.hero {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    text-align: center;
}

.hero-logo {
    max-width: 480px;
    width: 90%;
    margin-bottom: 1.5rem;
}

.hero-tagline {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-secondary);
    margin: 0 0 2.5rem 0;
}

.hero-cta {
    display: inline-block;
    padding: 0.85rem 2.5rem;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.hero-cta:hover {
    border-color: var(--color-border-hover);
    color: var(--color-heading);
    background-color: var(--color-btn-hover-fill);
}

.hero-scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.hero-scroll-hint::after {
    content: '↓';
    font-size: 1rem;
}


/* --- Latest Documents Section --- */

.documents-section {
    position: relative;
    z-index: 2;
    padding: 6rem 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.documents-section h2 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--color-heading);
    letter-spacing: 0.05em;
    margin-bottom: 3rem;
    text-align: center;
}

.documents-list {
    list-style: none;
}

.documents-list li {
    border-top: 1px solid var(--color-divider);
}

.documents-list li:last-child {
    border-bottom: 1px solid var(--color-divider);
}

.documents-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0.5rem;
    color: var(--color-secondary);
    transition: color 0.3s ease;
}

.documents-list a:hover {
    color: var(--color-heading);
}

.doc-title {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 400;
    letter-spacing: 0.02em;
}

.doc-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.doc-date {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.doc-download {
    font-size: 0.85rem;
    color: var(--color-muted);
    transition: color 0.3s ease;
}

.documents-list a:hover .doc-download {
    color: var(--color-heading);
}


/* --- Page Content (About, Disclaimers) --- */

.page-content {
    position: relative;
    z-index: 2;
    max-width: var(--max-content);
    margin: 0 auto;
    padding: calc(var(--header-height) + 4rem) 2rem 4rem;
    min-height: calc(100vh - 80px);
}

.page-content h1 {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 400;
    color: var(--color-heading);
    letter-spacing: 0.03em;
    margin-bottom: 2rem;
}

.page-content h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-heading);
    letter-spacing: 0.03em;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.page-content p {
    color: var(--color-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.85;
}

.page-content p:last-child {
    margin-bottom: 0;
}

.page-content ul,
.page-content ol {
    color: var(--color-secondary);
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
    line-height: 1.85;
}

.page-content li {
    margin-bottom: 0.5rem;
}

.page-content strong {
    color: var(--color-text);
    font-weight: 500;
}


/* --- Responsive --- */

@media screen and (max-width: 768px) {
    .site-header {
        padding: 0 1.25rem;
    }

    .header-logo img {
        max-width: 160px;
    }

    .header-nav {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background-color: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 1.5rem 2rem;
        gap: 1.25rem;
        border-bottom: 1px solid var(--color-divider);
    }

    .header-nav.is-open {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .hero-logo {
        max-width: 360px;
    }

    .hero-tagline {
        font-size: 1rem;
        letter-spacing: 0.15em;
    }

    .documents-list a {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .doc-meta {
        align-self: flex-start;
    }

    .site-footer {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media screen and (max-width: 480px) {
    .hero-logo {
        max-width: 280px;
    }

    .hero-tagline {
        font-size: 0.85rem;
        letter-spacing: 0.1em;
    }

    .hero-cta {
        padding: 0.7rem 1.75rem;
        font-size: 0.75rem;
    }

    .documents-section {
        padding: 4rem 1.25rem;
    }

    .documents-section h2 {
        font-size: 1.4rem;
    }

    .page-content {
        padding: calc(var(--header-height) + 2.5rem) 1.25rem 3rem;
    }

    .page-content h1 {
        font-size: 1.75rem;
    }

    .footer-copy,
    .footer-links a {
        font-size: 0.6rem;
    }
}