/* ============================================
   adhoc.quest - Analog Futurism Design System
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Palette */
    --color-bg-primary: #1E1A14;
    --color-bg-secondary: #2C2418;
    --color-bg-tertiary: #3A3128;
    --color-text-primary: #E8DCC8;
    --color-text-secondary: #C4B49A;
    --color-accent-gold: #D4A843;
    --color-border: #8B7D6B;
    --color-alert: #B85C38;
    --color-cool: #5B8C7A;
    --color-muted: #A69880;

    /* Spacing */
    --gutter: 32px;
    --outer-margin: 64px;
    --card-padding: 16px;
    --phase-spacing: 120px;
    --nav-height: 56px;

    /* Typography */
    --font-display: 'Anybody', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;

    /* Timing */
    --ease-out-cubic: cubic-bezier(0.33, 1, 0.68, 1);
    --transition-card: 300ms var(--ease-out-cubic);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg-primary);
    color: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Grain Overlay */
#grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    opacity: 0;
    transition: opacity 800ms ease;
}

#grain-overlay.visible {
    opacity: 1;
}

#grain-overlay::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* Keyframe Animations */
@keyframes grainShift {
    0% { transform: translate(0, 0); }
    25% { transform: translate(-2px, 1px); }
    50% { transform: translate(1px, -1px); }
    75% { transform: translate(-1px, 2px); }
    100% { transform: translate(0, 0); }
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes cursorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

#grain-overlay.visible::after {
    animation: grainShift 8s linear infinite;
}

/* Intro Screen */
#intro-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 900;
    background-color: var(--color-bg-primary);
    transition: opacity 900ms var(--ease-out-cubic);
}

#intro-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

#intro-screen.hidden {
    display: none;
}

#intro-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 72px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-accent-gold);
}

#intro-title .letter {
    display: inline-block;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 150ms ease, transform 150ms ease;
}

#intro-title .letter.visible {
    opacity: 1;
    transform: translateY(0);
}

#intro-title .cursor {
    display: inline-block;
    width: 3px;
    height: 0.8em;
    background-color: var(--color-accent-gold);
    margin-left: 4px;
    vertical-align: baseline;
    animation: cursorBlink 800ms step-end infinite;
}

/* Navigation */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: rgba(44, 36, 24, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--outer-margin);
    z-index: 800;
    opacity: 0;
    transform: translateY(-100%);
    transition: opacity 400ms ease, transform 400ms var(--ease-out-cubic);
}

#navbar.visible {
    opacity: 1;
    transform: translateY(0);
}

#nav-logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 24px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-accent-gold);
}

#nav-menu-btn {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
    padding: 8px;
}

.menu-line {
    display: block;
    height: 1.5px;
    background-color: var(--color-text-primary);
    transition: width var(--transition-card), background-color var(--transition-card);
}

.menu-line-1 { width: 24px; }
.menu-line-2 { width: 18px; }
.menu-line-3 { width: 12px; }

#nav-menu-btn:hover .menu-line {
    background-color: var(--color-accent-gold);
}

#nav-menu-btn:hover .menu-line-2 { width: 24px; }
#nav-menu-btn:hover .menu-line-3 { width: 24px; }

/* Main Content */
#main-content {
    position: relative;
    z-index: 1;
    padding-top: 100vh;
    opacity: 0;
    transition: opacity 600ms ease;
}

#main-content.visible {
    opacity: 1;
}

/* Mission Phases */
.mission-phase {
    position: relative;
    min-height: 120vh;
    padding: 0 var(--outer-margin);
    padding-bottom: var(--phase-spacing);
}

/* Phase SVG Backgrounds */
.phase-svg-bg {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 60vw;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0;
    transition: opacity 600ms ease;
}

.phase-svg-bg.visible {
    opacity: 1;
}

.phase-svg-bg svg {
    width: 100%;
    height: 100%;
}

.svg-path {
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    transition: stroke-dashoffset 1.2s var(--ease-out-cubic);
}

.phase-svg-bg.visible .svg-path {
    stroke-dashoffset: 0;
}

/* Phase Labels */
.phase-label-container {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 60px 0 48px;
}

.phase-rule {
    border: none;
    height: 1px;
    background: rgba(166, 152, 128, 0.3);
    margin-bottom: 24px;
}

.phase-label {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent-gold);
    opacity: 0;
    display: inline-block;
    clip-path: inset(0 50% 0 50%);
    transition: clip-path 600ms var(--ease-out-cubic), opacity 300ms ease;
}

.phase-label.visible {
    clip-path: inset(0 0% 0 0%);
    opacity: 1;
}

/* Card Grid */
.card-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gutter);
    max-width: 1200px;
    margin: 0 auto;
}

/* Card Base */
.card {
    background: var(--color-bg-primary);
    border: 2px solid var(--color-border);
    border-radius: 0;
    padding: var(--card-padding);
    position: relative;
    box-shadow: inset 0 0 0 1px rgba(139, 125, 107, 0.15);
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition:
        background-color var(--transition-card),
        border-color var(--transition-card),
        transform var(--transition-card),
        box-shadow var(--transition-card),
        opacity 400ms ease;
}

.card.visible {
    opacity: 1;
    transform: translateY(0);
}

.card:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-accent-gold);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), inset 0 0 0 1px rgba(212, 168, 67, 0.2);
}

.card:hover .card-icon svg {
    transform: rotate(90deg);
}

.card:hover .card-meta {
    color: var(--color-alert);
}

/* Card Sizing */
.card-hero {
    grid-column: span 2;
    grid-row: span 2;
}

.card-standard {
    grid-column: span 1;
    grid-row: span 1;
}

.card-wide {
    grid-column: span 4;
}

/* Card Expanded State */
.card.expanded {
    grid-column: 1 / -1;
    background: var(--color-bg-tertiary);
    border-color: var(--color-accent-gold);
}

.card.dimmed {
    opacity: 0.4;
}

/* Card Icon */
.card-icon {
    position: absolute;
    top: var(--card-padding);
    right: var(--card-padding);
}

.card-icon svg {
    transition: transform var(--transition-card);
}

/* Card Meta */
.card-meta {
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent-gold);
    margin-bottom: 12px;
    transition: color var(--transition-card);
}

/* Card Title */
.card-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 24px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-primary);
    margin-bottom: 12px;
    line-height: 1.2;
}

.card-hero .card-title {
    font-size: 36px;
}

/* Card Body */
.card-body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--color-text-secondary);
}

/* Card Expanded Content */
.card-expanded-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 400ms var(--ease-out-cubic), margin-top 400ms var(--ease-out-cubic);
    margin-top: 0;
}

.card.expanded .card-expanded-content {
    max-height: 500px;
    margin-top: 16px;
}

.card-expanded-content p {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--color-text-secondary);
    padding-top: 12px;
    border-top: 1px solid rgba(139, 125, 107, 0.3);
}

/* Active card indicator - Burnt Sienna accent */
.card.expanded .card-meta {
    color: var(--color-alert);
}

.card.expanded .card-icon svg line,
.card.expanded .card-icon svg polyline,
.card.expanded .card-icon svg path,
.card.expanded .card-icon svg circle,
.card.expanded .card-icon svg polygon,
.card.expanded .card-icon svg rect,
.card.expanded .card-icon svg ellipse {
    stroke: var(--color-alert);
    transition: stroke var(--transition-card);
}

/* Cool accent for links and secondary interactive */
.card-expanded-content a {
    color: var(--color-cool);
    text-decoration: none;
    border-bottom: 1px solid rgba(91, 140, 122, 0.4);
    transition: border-color var(--transition-card);
}

.card-expanded-content a:hover {
    border-color: var(--color-cool);
}

/* Phase number indicator */
.mission-phase::before {
    content: attr(data-phase);
    position: absolute;
    top: 60px;
    left: var(--outer-margin);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 120px;
    color: var(--color-border);
    opacity: 0.06;
    line-height: 1;
    pointer-events: none;
    z-index: 0;
}

/* Status indicator dot - amber pulse */
.phase-label::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-accent-gold);
    margin-right: 10px;
    vertical-align: middle;
    animation: pulseGlow 3s ease-in-out infinite;
}

/* Archive phase uses cool accent for status dot */
#phase-archive .phase-label::before {
    background-color: var(--color-cool);
}

/* Responsive: Tablet */
@media (max-width: 1024px) {
    :root {
        --outer-margin: 32px;
    }

    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .card-hero {
        grid-column: span 2;
        grid-row: span 1;
    }

    .card-wide {
        grid-column: span 2;
    }

    #intro-title {
        font-size: 48px;
    }

    .card-hero .card-title {
        font-size: 28px;
    }

    .mission-phase::before {
        font-size: 80px;
    }
}

/* Responsive: Mobile */
@media (max-width: 640px) {
    :root {
        --outer-margin: 20px;
        --gutter: 16px;
    }

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

    .card-hero,
    .card-wide {
        grid-column: span 1;
        grid-row: span 1;
    }

    #intro-title {
        font-size: 32px;
    }

    .card-title {
        font-size: 20px;
    }

    .card-hero .card-title {
        font-size: 24px;
    }

    #navbar {
        padding: 0 20px;
    }

    .mission-phase {
        padding: 0 20px;
        min-height: auto;
        padding-bottom: 60px;
    }

    .phase-svg-bg {
        width: 100vw;
    }

    .mission-phase::before {
        font-size: 60px;
        top: 40px;
        left: 20px;
    }
}

/* Headings global */
h2 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-primary);
}

/* Selection */
::selection {
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-gold);
}