/* =============================================================================
   VESTIGIUM - Main Stylesheet
   Dark, minimal, high-end aesthetic
   ============================================================================= */

/* CSS Variables */
:root {
    /* Colors */
    --color-bg: #0a0a0a;
    --color-bg-elevated: #111111;
    --color-bg-card: #161616;
    --color-border: #2a2a2a;
    --color-border-subtle: #1a1a1a;

    --color-text: #e8e8e8;
    --color-text-muted: #888888;
    --color-text-subtle: #555555;

    --color-accent: #c9a962;
    --color-accent-hover: #dfc07a;

    --color-success: #4a7c59;
    --color-error: #8b3a3a;
    --color-warning: #8b7355;

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

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Layout */
    --max-width: 1200px;
    --max-width-content: 720px;
    --max-width-narrow: 480px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

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

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.3;
    letter-spacing: 0.02em;
    color: var(--color-text);
}

h1 { font-size: var(--font-size-4xl); margin-bottom: var(--spacing-xl); }
h2 { font-size: var(--font-size-3xl); margin-bottom: var(--spacing-lg); }
h3 { font-size: var(--font-size-2xl); margin-bottom: var(--spacing-md); }
h4 { font-size: var(--font-size-xl); margin-bottom: var(--spacing-md); }

p {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-muted);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

strong {
    font-weight: 600;
    color: var(--color-text);
}

em {
    font-style: italic;
}

blockquote {
    border-left: 2px solid var(--color-accent);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
    font-family: var(--font-serif);
    font-size: var(--font-size-xl);
    font-style: italic;
    color: var(--color-text-muted);
}

/* Markdown Images */
.md-image {
    display: block;
    max-width: calc(100% - 40px);
    margin: 3rem 20px;
    text-align: center;
}

.md-image img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 4px;
}

.md-image figcaption {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    font-style: italic;
    color: var(--color-text-subtle);
}

.md-inline-image {
    display: inline-block;
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

@media (max-width: 768px) {
    .md-image {
        max-width: 90%;
        margin: 2rem auto;
    }
}

hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--spacing-3xl) 0;
}

ul, ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

li {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
}

code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.9em;
    background: var(--color-bg-elevated);
    padding: 0.2em 0.4em;
    border-radius: 3px;
}

/* Layout */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.container--narrow {
    max-width: var(--max-width-narrow);
}

.container--content {
    max-width: var(--max-width-content);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-subtle);
}

.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.header__logo {
    font-family: var(--font-serif);
    font-size: var(--font-size-xl);
    letter-spacing: 0.15em;
    color: var(--color-text);
    text-transform: uppercase;
}

.header__logo:hover {
    color: var(--color-accent);
}

.header__nav {
    display: flex;
    gap: var(--spacing-xl);
}

.header__nav a {
    font-size: var(--font-size-sm);
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    text-transform: uppercase;
    transition: color var(--transition-fast);
}

.header__nav a:hover,
.header__nav a.active {
    color: var(--color-accent);
}

/* Main Content */
.main {
    padding-top: 80px;
    min-height: calc(100vh - 80px);
}

/* Hero Section */
.hero {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 80px);
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('/assets/images/hero/texture.jpg') center center / cover no-repeat;
    opacity: 0.04;
    pointer-events: none;
    z-index: -1;
}

.hero > * {
    position: relative;
    z-index: 1;
}

.hero__brand {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 8vw, 5rem);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-lg);
}

.hero__tagline {
    font-family: var(--font-serif);
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-3xl);
    max-width: 600px;
}

.hero__content {
    max-width: var(--max-width-content);
    margin-bottom: var(--spacing-3xl);
}

.hero__actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn--primary {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
}

.btn--primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-bg);
}

.btn--ghost {
    border-color: transparent;
}

.btn--ghost:hover {
    border-color: transparent;
    color: var(--color-accent);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Sections */
.section {
    padding: var(--spacing-4xl) 0;
}

.section--centered {
    text-align: center;
}

.section__title {
    margin-bottom: var(--spacing-2xl);
}

/* Cards */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: var(--spacing-xl);
}

/* Object Cards */
.objects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.object-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    overflow: hidden;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.object-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.object-card__image {
    aspect-ratio: 4/5;
    overflow: hidden;
    background: var(--color-bg-elevated);
}

.object-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow), opacity var(--transition-base);
}

.object-card__image img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.object-card__image img.loaded,
.object-card__image img:not([loading="lazy"]) {
    opacity: 1;
}

.object-card:hover .object-card__image img {
    transform: scale(1.03);
}

/* Placeholder when no image */
.object-card__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-subtle);
    font-size: var(--font-size-sm);
    background: linear-gradient(135deg, var(--color-bg-elevated) 0%, var(--color-bg-card) 100%);
}

.object-card__content {
    padding: var(--spacing-lg);
}

.object-card__name {
    font-family: var(--font-serif);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.object-card__description {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.object-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.object-card__price {
    font-family: var(--font-serif);
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

.object-card__status {
    font-size: var(--font-size-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid currentColor;
}

.object-card__status--available {
    color: var(--color-accent);
}

.object-card__status--accepted {
    color: var(--color-text-subtle);
}

/* Featured Objects (Homepage) */
.featured-objects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.featured-object {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition-base);
}

.featured-object:hover {
    transform: translateY(-4px);
}

.featured-object__image {
    aspect-ratio: 1/1;
    overflow: hidden;
    border-radius: 4px;
    background: var(--color-bg-elevated);
    margin-bottom: var(--spacing-md);
}

.featured-object__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow), opacity var(--transition-base);
}

.featured-object__image img[loading="lazy"] {
    opacity: 0;
}

.featured-object__image img.loaded {
    opacity: 1;
}

.featured-object:hover .featured-object__image img {
    transform: scale(1.05);
}

.featured-object__info {
    text-align: center;
}

.featured-object__name {
    font-family: var(--font-serif);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.featured-object__status {
    font-size: var(--font-size-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
}

.empty-state__message {
    font-family: var(--font-serif);
    font-size: var(--font-size-xl);
    font-style: italic;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

/* Forms */
.form {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-subtle);
    margin-top: var(--spacing-xs);
}

.form-error {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* Alerts */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--color-border);
}

.alert--error {
    background: rgba(139, 58, 58, 0.1);
    border-color: var(--color-error);
    color: #c97070;
}

.alert--success {
    background: rgba(74, 124, 89, 0.1);
    border-color: var(--color-success);
    color: #7ab88a;
}

/* Footer */
.footer {
    padding: var(--spacing-3xl) 0;
    border-top: 1px solid var(--color-border-subtle);
    text-align: center;
}

.footer__tagline {
    font-family: var(--font-serif);
    font-size: var(--font-size-sm);
    font-style: italic;
    color: var(--color-text-subtle);
    margin-bottom: var(--spacing-lg);
}

.footer__links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
}

.footer__links a {
    font-size: var(--font-size-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
}

/* Content Pages */
.content-page {
    padding: var(--spacing-4xl) 0;
}

.content-page__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.content-page__body {
    max-width: var(--max-width-content);
    margin: 0 auto;
}

/* Success/Cancel Pages */
.status-page {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 80px);
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
}

.status-page__icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-xl);
}

.status-page__title {
    margin-bottom: var(--spacing-md);
}

.status-page__message {
    max-width: 400px;
    margin-bottom: var(--spacing-2xl);
}

/* Mobile Navigation */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    padding: var(--spacing-sm);
}

@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: block;
    }

    .header__nav {
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        padding: var(--spacing-lg);
        display: none;
    }

    .header__nav.active {
        display: flex;
    }

    .hero__brand {
        font-size: clamp(2rem, 10vw, 3rem);
    }

    .objects-grid {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mb-0 { margin-bottom: 0; }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mt-xl { margin-top: var(--spacing-xl); }