/* ============================================
   GGIGGL.com - Botanical Field Journal
   Generative + Nostalgic-Retro Design
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --cream: #FAF3E8;
    --buttermilk: #FFF8ED;
    --charcoal-bark: #3A322A;
    --warm-stone: #7D7165;
    --faded-sage: #8BA888;
    --dried-rose: #D4A0A0;
    --honeyed-amber: #D4A843;
    --taupe-soil: #C4B8A6;
    --soft-peach: #F2D9C7;
    --ink-walnut: #4A3F35;
    --aged-cream: #F5ECD9;
    --white-glow: #FFFFFF;

    --font-heading: 'Josefin Sans', sans-serif;
    --font-serif: 'Cormorant Garamond', serif;
    --font-body: 'Nunito', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;

    --size-base: 17px;
    --size-sm: 13px;
    --size-md: 23px;
    --size-lg: 30px;
    --size-xl: 40px;
    --size-xxl: 54px;
    --size-hero: 72px;

    --gutter: 24px;
    --block-padding: 32px;
    --border-radius: 4px;
}

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

html {
    font-size: var(--size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--charcoal-bark);
    background-color: var(--cream);
    line-height: 1.65;
    overflow-x: hidden;
    position: relative;
}

/* --- Paper Texture Overlay --- */
#paper-texture {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* --- Parallax Background --- */
#parallax-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    background: linear-gradient(180deg, var(--cream) 0%, var(--buttermilk) 100%);
}

/* --- Scroll Progress Vine --- */
#scroll-progress {
    position: fixed;
    top: 0;
    right: 12px;
    width: 20px;
    height: 100vh;
    z-index: 100;
    pointer-events: none;
}

#scroll-vine-path {
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    transition: stroke-dashoffset 0.1s ease-out;
}

/* --- Navigation --- */
#main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 32px;
    background: linear-gradient(180deg, rgba(250, 243, 232, 0.95) 0%, rgba(250, 243, 232, 0) 100%);
    transition: transform 0.4s ease, opacity 0.4s ease;
}

#main-nav.hidden {
    transform: translateY(-100%);
    opacity: 0;
}

#nav-wordmark {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--size-lg);
    color: var(--ink-walnut);
    letter-spacing: 2px;
    cursor: default;
}

#explore-toggle {
    font-family: var(--font-mono);
    font-size: var(--size-sm);
    letter-spacing: 0.5px;
    background: none;
    border: 1.5px solid var(--taupe-soil);
    color: var(--warm-stone);
    padding: 8px 20px;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: border-color 0.3s ease, color 0.3s ease, background-color 0.3s ease;
}

#explore-toggle:hover {
    border-color: var(--faded-sage);
    color: var(--charcoal-bark);
    background-color: rgba(139, 168, 136, 0.08);
}

/* --- Overlay Menu --- */
#overlay-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    background-color: rgba(74, 63, 53, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

#overlay-menu.active {
    opacity: 1;
    pointer-events: all;
}

#overlay-leaves {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.15;
}

#overlay-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.overlay-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--size-xl);
    color: var(--cream);
    text-decoration: none;
    transition: color 0.3s ease, transform 0.3s ease;
    display: inline-block;
}

.overlay-link:hover {
    color: var(--honeyed-amber);
    transform: translateX(8px);
}

#overlay-close {
    position: absolute;
    top: 24px;
    right: 32px;
    font-family: var(--font-mono);
    font-size: var(--size-sm);
    letter-spacing: 0.5px;
    color: var(--cream);
    background: none;
    border: 1.5px solid rgba(250, 243, 232, 0.4);
    padding: 8px 20px;
    cursor: pointer;
    border-radius: var(--border-radius);
    z-index: 2;
    transition: border-color 0.3s ease;
}

#overlay-close:hover {
    border-color: var(--honeyed-amber);
}

/* --- Wordmark Interactive Letters --- */
.wordmark-interactive .letter {
    display: inline-block;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.wordmark-interactive:hover .letter {
    animation: letterBounce 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.wordmark-interactive .letter[data-index="0"] { animation-delay: 0ms; }
.wordmark-interactive .letter[data-index="1"] { animation-delay: 50ms; }
.wordmark-interactive .letter[data-index="2"] { animation-delay: 100ms; }
.wordmark-interactive .letter[data-index="3"] { animation-delay: 150ms; }
.wordmark-interactive .letter[data-index="4"] { animation-delay: 200ms; }
.wordmark-interactive .letter[data-index="5"] { animation-delay: 250ms; }

@keyframes letterBounce {
    0% { transform: translateY(0); }
    40% { transform: translateY(-12px); }
    60% { transform: translateY(-4px); }
    80% { transform: translateY(-8px); }
    100% { transform: translateY(0); }
}

/* --- Hero Section --- */
#hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(180deg, var(--cream) 0%, var(--buttermilk) 100%);
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#hero-leaves {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

#hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
}

#hero-wordmark {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--size-hero);
    color: var(--ink-walnut);
    letter-spacing: 6px;
    margin-bottom: 16px;
    line-height: 1;
}

.hero-subtitle {
    font-family: var(--font-serif);
    font-weight: 500;
    font-style: italic;
    font-size: var(--size-md);
    color: var(--warm-stone);
    margin-bottom: 12px;
}

/* --- Mono Caption --- */
.mono-caption {
    font-family: var(--font-mono);
    font-size: var(--size-sm);
    font-weight: 400;
    letter-spacing: 0.5px;
    color: var(--warm-stone);
}

/* --- Vine Dividers --- */
.vine-divider {
    width: 100%;
    padding: 16px 32px;
    overflow: hidden;
}

.vine-svg {
    width: 100%;
    height: 40px;
    display: block;
}

.vine-path {
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    transition: stroke-dashoffset 1.8s ease-out;
}

.vine-path.revealed {
    stroke-dashoffset: 0;
}

/* --- Journal Sections --- */
.journal-section {
    padding: 40px 32px;
    max-width: 1200px;
    margin: 0 auto;
}

/* --- Module Grid --- */
.module-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}

/* --- Module Blocks --- */
.module-block {
    background: linear-gradient(135deg, var(--buttermilk) 0%, var(--cream) 100%);
    border: 1px dashed var(--taupe-soil);
    border-spacing: 8px;
    border-radius: var(--border-radius);
    padding: var(--block-padding);
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

/* Seed-packet dotted border simulation */
.module-block::before {
    content: '';
    position: absolute;
    top: 4px;
    left: 4px;
    right: 4px;
    bottom: 4px;
    border: 1px dotted var(--taupe-soil);
    border-radius: 2px;
    pointer-events: none;
    opacity: 0.5;
}

/* Faint radial glow to simulate paper curl */
.module-block::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120%;
    height: 120%;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.module-block:hover {
    border-color: var(--faded-sage);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(74, 63, 53, 0.06);
}

/* Block sizes in 6-col grid */
.block-2x2 {
    grid-column: span 2;
    grid-row: span 1;
}

.block-3x2 {
    grid-column: span 3;
    grid-row: span 1;
}

.block-4x3 {
    grid-column: span 4;
    grid-row: span 1;
}

.block-full {
    grid-column: span 6;
    grid-row: span 1;
}

/* --- Corner Elements --- */
.corner-label {
    display: block;
    margin-bottom: 12px;
    opacity: 0.7;
}

.corner-stamp {
    position: absolute;
    top: 12px;
    right: 12px;
    opacity: 0.6;
}

/* --- Typography --- */
h2 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--size-lg);
    color: var(--ink-walnut);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

h3 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--size-md);
    color: var(--ink-walnut);
    margin-bottom: 8px;
}

p {
    margin-bottom: 12px;
    line-height: 1.7;
    color: var(--charcoal-bark);
}

.date-label {
    font-family: var(--font-mono);
    font-size: var(--size-sm);
    color: var(--warm-stone);
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.pull-quote {
    font-family: var(--font-serif);
    font-weight: 500;
    font-style: italic;
    font-size: var(--size-md);
    color: var(--warm-stone);
    line-height: 1.6;
    padding: 24px 32px;
    border-left: 3px solid var(--honeyed-amber);
    margin: 16px 0;
}

/* --- Leaf Canvases --- */
.leaf-canvas {
    width: 100%;
    height: auto;
    display: block;
    margin-top: 16px;
}

.large-canvas {
    min-height: 200px;
}

.mini-canvas {
    width: 120px;
    height: 120px;
    margin: 8px auto 0;
    display: block;
}

/* --- Breathing Rows --- */
.breathing-row {
    width: 100%;
    padding: 20px 32px;
    overflow: hidden;
}

.breathing-leaf-canvas {
    width: 100%;
    height: 120px;
    display: block;
}

/* --- Seed Archive Grid --- */
.seed-archive-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
    padding: 16px 0;
}

.seed-entry {
    text-align: center;
    padding: 16px;
    background: rgba(250, 243, 232, 0.5);
    border: 1px dashed var(--taupe-soil);
    border-radius: var(--border-radius);
}

/* --- Reveal Animations --- */
.reveal-block {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-block.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays */
.reveal-block[data-stagger="1"] {
    transition-delay: 120ms;
}
.reveal-block[data-stagger="2"] {
    transition-delay: 240ms;
}
.reveal-block[data-stagger="3"] {
    transition-delay: 360ms;
}

/* --- Floating Leaves (Parallax) --- */
#floating-leaves {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 50;
}

.floating-leaf {
    position: absolute;
    opacity: 0.15;
    transition: transform 0.05s linear;
}

/* --- Footer / Colophon --- */
#colophon {
    padding: 60px 32px 80px;
    text-align: center;
    background: linear-gradient(180deg, var(--cream) 0%, var(--aged-cream) 100%);
}

.colophon-content {
    max-width: 600px;
    margin: 0 auto;
}

.colophon-wordmark {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--size-xl);
    color: var(--ink-walnut);
    letter-spacing: 4px;
    margin-bottom: 16px;
    cursor: default;
}

.colophon-text {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: var(--size-base);
    color: var(--warm-stone);
    margin-bottom: 12px;
}

.footer-leaves {
    width: 100%;
    max-width: 600px;
    height: 100px;
    margin-top: 24px;
}

/* --- Hover Leaf Effect --- */
.module-hover-leaf {
    position: absolute;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.module-block:hover .module-hover-leaf {
    opacity: 0.6;
}

/* --- Expanded Block State --- */
.module-block.expanded {
    grid-column: 1 / -1 !important;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Mobile Responsive --- */
@media (max-width: 768px) {
    :root {
        --size-hero: 48px;
        --size-xxl: 36px;
        --size-xl: 30px;
        --size-lg: 24px;
        --size-md: 20px;
        --block-padding: 20px;
        --gutter: 16px;
    }

    .module-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 6px;
    }

    .block-2x2 {
        grid-column: span 2;
    }

    .block-3x2 {
        grid-column: span 4;
    }

    .block-4x3 {
        grid-column: span 4;
    }

    .block-full {
        grid-column: span 4;
    }

    #main-nav {
        padding: 16px 20px;
    }

    .journal-section {
        padding: 24px 16px;
    }

    #hero-wordmark {
        letter-spacing: 3px;
    }

    .seed-archive-grid {
        gap: 12px;
    }

    .seed-entry {
        padding: 10px;
    }

    .mini-canvas {
        width: 80px;
        height: 80px;
    }

    #scroll-progress {
        display: none;
    }

    .overlay-link {
        font-size: var(--size-lg);
    }
}

@media (max-width: 480px) {
    .module-grid {
        grid-template-columns: 1fr;
    }

    .block-2x2,
    .block-3x2,
    .block-4x3,
    .block-full {
        grid-column: span 1;
    }
}

/* --- Prefers Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    .reveal-block {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .vine-path {
        stroke-dashoffset: 0;
        transition: none;
    }

    .wordmark-interactive .letter {
        animation: none !important;
    }

    .floating-leaf {
        display: none;
    }

    #scroll-vine-path {
        stroke-dashoffset: 0;
        transition: none;
    }
}