/* ============================================================
   annual.quest - Pop-Art Almanac Styles
   Forest Green Palette | Organic Flow | Paper-Aged
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
    --deep-canopy: #1B3A28;
    --moss-verdant: #2E5A3A;
    --fern-bright: #5A9E6F;
    --chartreuse-pop: #B8D84A;
    --kraft-warm: #C9B896;
    --aged-cream: #F2EDE3;
    --deep-bark: #2C3A2A;
    --halftone-rose: #D4726A;

    --font-display: 'Space Grotesk', sans-serif;
    --font-display-black: 'Archivo Black', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    --hero-title-size: clamp(3.5rem, 10vw, 8rem);
    --hero-year-size: clamp(5rem, 14vw, 12rem);
    --section-heading-size: clamp(1.8rem, 4vw, 3.2rem);
    --body-size: clamp(1rem, 1.2vw, 1.15rem);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    font-size: var(--body-size);
    font-weight: 400;
    line-height: 1.72;
    letter-spacing: 0.005em;
    color: var(--deep-bark);
    background-color: var(--aged-cream);
    overflow-x: hidden;
}

.svg-filters {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

/* --- Paper Texture Background --- */
.paper-texture {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.paper-texture::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
    opacity: 0.5;
}

.paper-texture::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 15% 25%, var(--kraft-warm) 1px, transparent 1px),
        radial-gradient(circle at 75% 60%, var(--kraft-warm) 1.5px, transparent 1.5px),
        radial-gradient(circle at 40% 80%, var(--kraft-warm) 1px, transparent 1px),
        radial-gradient(circle at 90% 15%, var(--kraft-warm) 2px, transparent 2px),
        radial-gradient(circle at 55% 45%, var(--kraft-warm) 1px, transparent 1px),
        radial-gradient(circle at 25% 70%, var(--kraft-warm) 1.5px, transparent 1.5px),
        radial-gradient(circle at 85% 85%, var(--kraft-warm) 1px, transparent 1px);
    opacity: 0.02;
}

.paper-texture--dark::before {
    opacity: 0.3;
}

/* --- Fold Crease Lines --- */
.fold-crease {
    position: absolute;
    pointer-events: none;
    z-index: 1;
}

.fold-crease--vertical {
    width: 1px;
    height: 100%;
    left: 50%;
    top: 0;
    background: linear-gradient(to bottom, transparent, rgba(201, 184, 150, 0.15), transparent);
}

.fold-crease--horizontal {
    width: 100%;
    height: 1px;
    left: 0;
    background: linear-gradient(to right, transparent, rgba(201, 184, 150, 0.15), transparent);
}

.fold-crease--diagonal {
    width: 140%;
    height: 1px;
    left: -20%;
    top: 45%;
    background: linear-gradient(to right, transparent, rgba(201, 184, 150, 0.12), transparent);
    transform: rotate(-8deg);
}

/* --- Navigation (Table of Contents) --- */
#toc-nav {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: 180px;
    z-index: 100;
    display: flex;
    align-items: center;
    padding: 2rem 0;
    pointer-events: none;
}

.toc-inner {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem;
    pointer-events: auto;
    background: rgba(242, 237, 227, 0.9);
    border-right: 2px solid var(--kraft-warm);
    backdrop-filter: blur(4px);
}

.toc-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--deep-bark);
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.5;
    transition: opacity 0.3s ease, color 0.3s ease;
}

.toc-link.active {
    opacity: 1;
    color: var(--moss-verdant);
}

.toc-link:hover {
    opacity: 0.85;
}

.toc-dot {
    display: block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: repeating-radial-gradient(circle, var(--moss-verdant) 0px, transparent 1.5px, transparent 3px);
    flex-shrink: 0;
    transition: background 0.3s ease;
}

.toc-link.active .toc-dot {
    background: var(--fern-bright);
}

/* Mobile nav */
@media (max-width: 1199px) {
    #toc-nav {
        top: 0;
        left: 0;
        width: 100%;
        height: auto;
        padding: 0;
    }

    .toc-inner {
        flex-direction: row;
        width: 100%;
        gap: 0;
        padding: 0.75rem 1rem;
        overflow-x: auto;
        border-right: none;
        border-bottom: 2px solid var(--kraft-warm);
        scrollbar-width: none;
    }

    .toc-inner::-webkit-scrollbar {
        display: none;
    }

    .toc-link {
        flex-shrink: 0;
        padding: 0.4rem 0.8rem;
        font-size: 0.65rem;
    }

    .toc-dot {
        width: 7px;
        height: 7px;
    }
}

/* --- Chapter Base Styles --- */
.chapter {
    position: relative;
    min-height: 100vh;
    padding: 6rem 3rem 4rem;
    overflow: hidden;
}

@media (min-width: 1200px) {
    .chapter {
        padding-left: calc(180px + 4rem);
        padding-right: 4rem;
    }
}

@media (max-width: 768px) {
    .chapter {
        padding: 5rem 1.5rem 3rem;
    }
}

/* Chapter backgrounds */
.chapter--hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--aged-cream);
}

.chapter--spring {
    background-color: var(--aged-cream);
}

.chapter--summer {
    background-color: #f0f5eb; /* Fern Bright at 8% on white */
}

.chapter--autumn {
    background-color: #ebe3d4; /* Kraft Warm at 30% blend */
}

.chapter--winter {
    background-color: var(--deep-canopy);
    color: var(--aged-cream);
}

/* Background transition layers */
.chapter-bg-transition {
    position: absolute;
    top: -100px;
    left: 0;
    width: 100%;
    height: 200px;
    pointer-events: none;
    z-index: 0;
}

.chapter-bg-transition[data-bg="spring"] {
    background: linear-gradient(to bottom, var(--aged-cream), var(--aged-cream));
}

.chapter-bg-transition[data-bg="summer"] {
    background: linear-gradient(to bottom, var(--aged-cream), #f0f5eb);
}

.chapter-bg-transition[data-bg="autumn"] {
    background: linear-gradient(to bottom, #f0f5eb, #ebe3d4);
}

.chapter-bg-transition[data-bg="winter"] {
    background: linear-gradient(to bottom, #ebe3d4, var(--deep-canopy));
}

/* --- Hero Section --- */
.hero-halftone-border {
    position: absolute;
    top: 40px;
    left: 40px;
    right: 40px;
    bottom: 40px;
    border: none;
    z-index: 1;
    pointer-events: none;
    background:
        repeating-radial-gradient(circle, var(--moss-verdant) 0px, transparent 2px, transparent 10px);
    mask-image:
        linear-gradient(to right, black 3px, transparent 3px),
        linear-gradient(to left, black 3px, transparent 3px),
        linear-gradient(to bottom, black 3px, transparent 3px),
        linear-gradient(to top, black 3px, transparent 3px);
    -webkit-mask-image:
        linear-gradient(to right, black 3px, transparent 3px),
        linear-gradient(to left, black 3px, transparent 3px),
        linear-gradient(to bottom, black 3px, transparent 3px),
        linear-gradient(to top, black 3px, transparent 3px);
    mask-composite: add;
    -webkit-mask-composite: source-over;
    opacity: 0.5;
}

@media (max-width: 768px) {
    .hero-halftone-border {
        top: 16px;
        left: 16px;
        right: 16px;
        bottom: 16px;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--hero-title-size);
    color: var(--deep-canopy);
    letter-spacing: 0.03em;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
}

/* Misregistration effect */
.misreg {
    position: relative;
}

.misreg::before {
    content: attr(data-text);
    position: absolute;
    top: 1px;
    left: 2px;
    color: var(--halftone-rose);
    opacity: 0.4;
    z-index: -1;
    pointer-events: none;
}

.hero-year-badge {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.3rem 2.5rem;
    background: var(--fern-bright);
    transform: skewX(-8deg);
}

.hero-year {
    font-family: var(--font-display-black);
    font-size: var(--hero-year-size);
    color: var(--deep-canopy);
    display: block;
    transform: skewX(8deg);
    line-height: 1.1;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: clamp(0.9rem, 1.5vw, 1.2rem);
    color: var(--moss-verdant);
    margin-top: 1.5rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* Hero geometric shapes */
.chapter--hero .geo-circle--1 {
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--fern-bright);
    opacity: 0.15;
    top: 12%;
    left: 8%;
    z-index: 1;
}

.chapter--hero .geo-circle--2 {
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--chartreuse-pop);
    opacity: 0.2;
    bottom: 15%;
    right: 15%;
    z-index: 1;
}

.chapter--hero .geo-triangle--hero-1 {
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 35px 60px 35px;
    border-color: transparent transparent var(--chartreuse-pop) transparent;
    opacity: 0.2;
    top: 20%;
    right: 20%;
    z-index: 1;
}

.chapter--hero .geo-triangle--hero-2 {
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 25px 43px 25px;
    border-color: transparent transparent var(--fern-bright) transparent;
    opacity: 0.15;
    bottom: 25%;
    left: 18%;
    z-index: 1;
}

/* --- Stamp Elements --- */
.stamp {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px dashed var(--moss-verdant);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: absolute;
    z-index: 3;
    transition: transform 300ms ease, border-style 300ms step-end, letter-spacing 300ms ease;
    cursor: default;
}

.stamp:hover {
    border-style: solid;
}

.stamp--inline {
    position: absolute;
    top: -20px;
    right: -10px;
    width: 70px;
    height: 70px;
    z-index: 4;
}

.stamp--light {
    border-color: var(--fern-bright);
}

.stamp-text {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 8px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--moss-verdant);
    line-height: 1.2;
    transition: letter-spacing 300ms ease;
}

.stamp--light .stamp-text {
    color: var(--fern-bright);
}

.stamp:hover .stamp-text {
    letter-spacing: 0.1em;
}

/* --- Halftone Divider --- */
.halftone-divider {
    width: 100%;
    height: 120px;
    background: repeating-radial-gradient(circle, var(--moss-verdant) 0px, transparent 2px, transparent 8px);
    mask-image: linear-gradient(to bottom, rgba(0,0,0,0.6), rgba(0,0,0,0.05));
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.6), rgba(0,0,0,0.05));
    position: relative;
    z-index: 2;
    clip-path: inset(0 100% 0 0);
    transition: clip-path 900ms cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.halftone-divider.revealed {
    clip-path: inset(0 0% 0 0);
}

/* --- Chevron Border --- */
.chevron-border {
    position: relative;
    width: 100%;
    height: 12px;
    margin-top: 3rem;
    z-index: 2;
    background:
        linear-gradient(135deg, var(--moss-verdant) 25%, transparent 25%) -6px 0,
        linear-gradient(225deg, var(--moss-verdant) 25%, transparent 25%) -6px 0,
        linear-gradient(315deg, var(--deep-canopy) 25%, transparent 25%),
        linear-gradient(45deg, var(--deep-canopy) 25%, transparent 25%);
    background-size: 12px 12px;
    opacity: 0.3;
}

/* --- Chapter Header --- */
.chapter-header {
    position: relative;
    z-index: 2;
    margin-bottom: 3rem;
    padding-top: 1rem;
}

.chapter-geo-cluster {
    position: relative;
    width: 160px;
    height: 80px;
    margin-bottom: 1rem;
}

.chapter-geo-cluster .geo-circle {
    position: absolute;
    border-radius: 50%;
}

.chapter-geo-cluster .geo-triangle {
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
}

.parallelogram-badge {
    display: inline-block;
    padding: 0.25rem 1.5rem;
    background: var(--fern-bright);
    transform: skewX(-8deg);
    margin-bottom: 0.75rem;
}

.parallelogram-badge--rose {
    background: var(--halftone-rose);
}

.parallelogram-badge--moss {
    background: var(--moss-verdant);
}

.badge-text {
    font-family: var(--font-display-black);
    font-size: clamp(0.8rem, 1.2vw, 1rem);
    color: var(--deep-canopy);
    display: block;
    transform: skewX(8deg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.parallelogram-badge--moss .badge-text {
    color: var(--aged-cream);
}

.chapter-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--section-heading-size);
    color: var(--deep-canopy);
    letter-spacing: 0.03em;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.chapter-title--light {
    color: var(--aged-cream);
}

.chapter-tagline {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(0.85rem, 1.2vw, 1rem);
    color: var(--fern-bright);
    letter-spacing: 0.06em;
}

.chapter-tagline--light {
    color: var(--chartreuse-pop);
}

/* --- Organic Grid --- */
.organic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 2;
}

@media (min-width: 768px) {
    .organic-grid {
        gap: 2.5rem;
    }
}

/* --- Cutout Content Blocks --- */
.cutout {
    position: relative;
    background: rgba(242, 237, 227, 0.85);
    padding: 2rem 2rem 2.5rem;
    clip-path: polygon(1% 0%, 99.5% 0.8%, 100% 99%, 0.5% 99.6%);
    transform: rotate(var(--rotation, 0deg));
    box-shadow: 2px 3px 0px rgba(35, 60, 30, 0.2), 4px 6px 12px rgba(35, 60, 30, 0.08);
}

.cutout--span2 {
    grid-column: span 1;
}

@media (min-width: 768px) {
    .cutout--span2 {
        grid-column: span 2;
    }
}

.cutout--dark {
    background: rgba(27, 58, 40, 0.6);
    color: var(--aged-cream);
}

.cutout--accent {
    background: var(--deep-canopy);
    color: var(--aged-cream);
}

/* Break the grid intentionally for scrapbook feel */
@media (min-width: 768px) {
    .organic-grid .cutout:nth-child(2) {
        margin-left: -2vw;
    }

    .organic-grid .cutout:nth-child(3) {
        margin-top: -1.5rem;
    }

    .organic-grid .cutout:nth-child(4) {
        margin-left: 1vw;
    }
}

.cutout-heading {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    color: var(--deep-canopy);
    margin-bottom: 0.75rem;
    letter-spacing: 0.02em;
}

.cutout-heading--light {
    color: var(--aged-cream);
}

.cutout p {
    margin-bottom: 0.75rem;
}

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

/* --- Pull Quotes --- */
.pull-quote {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    line-height: 1.45;
    letter-spacing: 0.01em;
    color: var(--chartreuse-pop);
    padding: 1rem 0;
}

.pull-quote--light {
    color: var(--chartreuse-pop);
}

/* --- Reveal Animation --- */
.reveal {
    opacity: 0;
    transform: translateY(24px) rotate(-0.5deg);
    transition: opacity 700ms cubic-bezier(0.25, 0.1, 0.25, 1.0),
                transform 700ms cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0) rotate(var(--rotation, 0deg));
}

/* Stagger delays for siblings */
.organic-grid .reveal:nth-child(1) { transition-delay: 0ms; }
.organic-grid .reveal:nth-child(2) { transition-delay: 120ms; }
.organic-grid .reveal:nth-child(3) { transition-delay: 240ms; }
.organic-grid .reveal:nth-child(4) { transition-delay: 360ms; }
.organic-grid .reveal:nth-child(5) { transition-delay: 480ms; }

/* --- Halftone Dot Fields for Chapter Headers --- */
.chapter-header::before {
    content: '';
    position: absolute;
    top: -2rem;
    left: -3rem;
    width: calc(100% + 6rem);
    height: calc(100% + 4rem);
    background: repeating-radial-gradient(circle, var(--fern-bright) 0px, transparent 2px, transparent 12px);
    opacity: 0.08;
    pointer-events: none;
    z-index: -1;
}

.chapter--winter .chapter-header::before {
    background: repeating-radial-gradient(circle, var(--moss-verdant) 0px, transparent 2px, transparent 12px);
    opacity: 0.12;
}

/* --- Footer --- */
.footer-area {
    position: relative;
    z-index: 2;
    text-align: center;
    padding-top: 4rem;
    padding-bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-area .stamp {
    position: relative;
}

.footer-text {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--fern-bright);
    opacity: 0.6;
}

/* --- Halftone dot border ring for hero --- */
@media (min-width: 769px) {
    .hero-halftone-border {
        background:
            repeating-radial-gradient(circle, var(--moss-verdant) 0px, transparent 2.5px, transparent 10px);
        opacity: 0.45;
    }
}

/* --- Scrollbar Styling --- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--aged-cream);
}

::-webkit-scrollbar-thumb {
    background: var(--kraft-warm);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--moss-verdant);
}

/* --- Selection --- */
::selection {
    background: var(--chartreuse-pop);
    color: var(--deep-canopy);
}

/* --- Responsive adjustments --- */
@media (max-width: 480px) {
    .chapter {
        padding: 4rem 1rem 2rem;
    }

    .hero-halftone-border {
        top: 10px;
        left: 10px;
        right: 10px;
        bottom: 10px;
    }

    .stamp {
        width: 60px;
        height: 60px;
    }

    .stamp--inline {
        width: 55px;
        height: 55px;
    }

    .stamp-text {
        font-size: 6px;
    }

    .hero-stamp {
        display: none;
    }

    .chapter-geo-cluster {
        width: 120px;
        height: 60px;
    }
}

/* --- Print misregistration on chapter titles --- */
.chapter-title.misreg::before {
    content: attr(data-text);
    position: absolute;
    top: 1px;
    left: 2px;
    color: var(--halftone-rose);
    opacity: 0.4;
    z-index: -1;
    pointer-events: none;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: inherit;
    letter-spacing: inherit;
    text-transform: inherit;
}