@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,700;1,700&family=Barlow+Condensed:wght@300;400;600&display=swap');

/* ========================================
   PALETTE: Burgundy-Cream (mysterious.boo)
   ======================================== */
:root {
    --deep-burgundy: #2D0A0A;
    --burgundy-mid: #5C1A1A;
    --burgundy-muted: #8B4A4A;
    --cream-light: #F5EDE0;
    --cream-warm: #EDE0CC;
    --blush-shadow: #D4B8A8;
    --moss-whisper: #6B7B5E;
    --ink-ghost: #1A1210;
    --ink-warm: #3A1F1F;
}

/* ========================================
   RESET & BASE
   ======================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 400;
    font-size: clamp(0.95rem, 1.8vw, 1.15rem);
    line-height: 1.9;
    letter-spacing: 0.02em;
    color: var(--ink-warm);
    background: var(--cream-light);
    overflow-x: hidden;
}

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

/* ========================================
   OPENING OVERLAY
   ======================================== */
#opening-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(175deg, var(--deep-burgundy) 0%, var(--burgundy-mid) 45%, var(--burgundy-muted) 100%);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 1.5s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

#opening-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

#opening-overlay.hidden {
    display: none;
}

.opening-text-container {
    position: relative;
    z-index: 2;
}

.opening-title {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: clamp(2.8rem, 6vw, 5.5rem);
    letter-spacing: 0.08em;
    line-height: 1.15;
    color: var(--cream-light);
    text-align: center;
}

.opening-title .char {
    display: inline-block;
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.opening-title .char.visible {
    opacity: 1;
}

/* Opening leaf drift */
.opening-leaf-drift {
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    animation: openingLeafFall 4s cubic-bezier(0.25, 0.1, 0.25, 1.0) forwards;
}

@keyframes openingLeafFall {
    0% {
        top: -60px;
        transform: translateX(-50%) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.5;
    }
    100% {
        top: 65vh;
        transform: translateX(calc(-50% + 40px)) rotate(45deg);
        opacity: 0.2;
    }
}

/* ========================================
   MAIN PAGE CONTAINER
   ======================================== */
.page-container {
    display: flex;
    min-height: 600vh;
    position: relative;
    opacity: 0;
    transition: opacity 1s cubic-bezier(0.25, 0.1, 0.25, 1.0) 0.5s;
}

.page-container.visible {
    opacity: 1;
}

/* ========================================
   PANEL BLEED (Soft gradient divider)
   ======================================== */
.panel-bleed {
    position: fixed;
    top: 0;
    left: 45%;
    width: 40px;
    height: 100vh;
    z-index: 100;
    pointer-events: none;
    background: linear-gradient(90deg,
        rgba(45, 10, 10, 0.3) 0%,
        rgba(245, 237, 224, 0.0) 50%,
        rgba(245, 237, 224, 0.3) 100%
    );
    mask-image: linear-gradient(180deg, transparent 0%, black 10%, black 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, black 10%, black 90%, transparent 100%);
    transition: left 1.2s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.panel-bleed.expanded {
    left: 65%;
}

.panel-bleed.closing {
    left: 85%;
}

/* ========================================
   ATMOSPHERIC PANEL (LEFT)
   ======================================== */
.atmospheric-panel {
    width: 45%;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    background: linear-gradient(175deg, var(--deep-burgundy) 0%, var(--burgundy-mid) 45%, var(--burgundy-muted) 100%);
    overflow: hidden;
    z-index: 50;
    transition: width 1.2s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.atmospheric-panel.expanded {
    width: 65%;
}

.atmospheric-panel.closing-width {
    width: 85%;
}

/* Rice paper grain overlay */
.grain-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.04;
    pointer-events: none;
    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='1'/%3E%3C/svg%3E");
    background-repeat: repeat;
    mix-blend-mode: overlay;
}

/* Leaf particles */
.leaf-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.leaf-particle {
    position: absolute;
    pointer-events: none;
}

/* Large leaf container */
.large-leaf-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 1.5s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.large-leaf-container.active {
    opacity: 1;
}

.large-leaf-svg {
    animation: slowRotate 60s linear infinite;
}

@keyframes slowRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.large-leaf-2 {
    display: none;
}

.large-leaf-2.active {
    display: block;
    opacity: 1;
}

.large-leaf-2 .large-leaf-svg {
    animation: slowRotateReverse 75s linear infinite;
}

@keyframes slowRotateReverse {
    from { transform: rotate(0deg); }
    to { transform: rotate(-360deg); }
}

/* Pressed leaf impressions */
.pressed-leaf {
    position: absolute;
    pointer-events: none;
    opacity: 0;
    transition: opacity 2s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.pressed-leaf.visible {
    opacity: 1;
}

#pressed-leaf-1 {
    top: 25%;
    left: 10%;
    transform: rotate(15deg);
}

.pressed-leaf-bottom {
    top: 65%;
    right: 5%;
    left: auto;
    transform: rotate(-8deg);
}

/* Background watermark numerals */
.watermark-numeral {
    position: absolute;
    font-family: 'Cormorant Garamond', serif;
    font-weight: 700;
    font-style: italic;
    font-size: clamp(4rem, 10vw, 8rem);
    color: var(--cream-light);
    opacity: 0;
    pointer-events: none;
    transition: opacity 1.5s cubic-bezier(0.25, 0.1, 0.25, 1.0);
    user-select: none;
}

.watermark-numeral.visible {
    opacity: 0.08;
}

#watermark-1 {
    top: 15%;
    right: 15%;
    transform: rotate(-5deg);
}

.watermark-2 {
    top: 45%;
    left: 10%;
    transform: rotate(3deg);
}

.watermark-3 {
    bottom: 20%;
    right: 20%;
    transform: rotate(-8deg);
}

/* ========================================
   CONTENT PANEL (RIGHT)
   ======================================== */
.content-panel {
    width: 55%;
    margin-left: 45%;
    background: var(--cream-light);
    color: var(--ink-ghost);
    position: relative;
    z-index: 60;
    transition: width 1.2s cubic-bezier(0.25, 0.1, 0.25, 1.0),
                margin-left 1.2s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.content-panel.shrunk {
    width: 35%;
    margin-left: 65%;
}

.content-panel.closing-shrunk {
    width: 15%;
    margin-left: 85%;
}

/* Rice paper grain on content panel */
.content-panel::before {
    content: '';
    position: fixed;
    top: 0;
    right: 0;
    width: 55%;
    height: 100vh;
    opacity: 0.03;
    pointer-events: none;
    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='1'/%3E%3C/svg%3E");
    background-repeat: repeat;
    mix-blend-mode: multiply;
    z-index: 1;
}

/* ========================================
   CONTENT SECTIONS
   ======================================== */
.content-alcove {
    padding: clamp(3rem, 5vw, 6rem) clamp(2rem, 4vw, 5rem);
    min-height: 150vh;
    position: relative;
}

#alcove-1 {
    padding-top: 100vh;
}

.section-branch-divider {
    display: flex;
    justify-content: center;
    margin-bottom: clamp(3rem, 5vh, 5rem);
    opacity: 0.7;
}

/* Headings */
.content-heading {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: clamp(2.2rem, 5vw, 4.8rem);
    letter-spacing: 0.08em;
    line-height: 1.15;
    color: var(--deep-burgundy);
    margin-bottom: clamp(2rem, 3vh, 3rem);
}

/* Paragraphs */
.content-alcove p {
    font-weight: 300;
    margin-bottom: 1.8rem;
    max-width: 42ch;
    color: var(--ink-warm);
}

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

/* Pull quotes */
.pull-quote {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-style: italic;
    font-size: clamp(1.3rem, 2.2vw, 1.6rem);
    line-height: 1.7;
    color: var(--burgundy-mid);
    max-width: 60%;
    margin: clamp(2rem, 4vh, 4rem) 0;
    padding-left: clamp(1.5rem, 2vw, 2.5rem);
    border-left: 2px solid var(--blush-shadow);
    position: relative;
}

/* Scroll reveal */
.scroll-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.25, 0.1, 0.25, 1.0),
                transform 0.6s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   BREATH SECTION
   ======================================== */
.breath-section {
    min-height: 100vh;
    position: relative;
    background: radial-gradient(ellipse at 30% 50%, var(--cream-light) 0%, var(--cream-warm) 60%, var(--blush-shadow) 100%);
    overflow: hidden;
}

.breath-gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg,
        rgba(45, 10, 10, 0.85) 0%,
        rgba(45, 10, 10, 0.3) 50%,
        rgba(245, 237, 224, 0.1) 100%
    );
    pointer-events: none;
}

.breath-leaf-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* ========================================
   CLOSING SECTION
   ======================================== */
.closing-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: clamp(2rem, 4vw, 4rem);
    position: relative;
}

.closing-text-column {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.closing-haiku {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    line-height: 1.6;
    color: var(--ink-ghost);
    letter-spacing: 0.05em;
}

.closing-monogram-container {
    margin-top: clamp(3rem, 5vh, 5rem);
}

.closing-monogram {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: var(--burgundy-muted);
    letter-spacing: 0.15em;
    animation: monogramPulse 3s cubic-bezier(0.25, 0.1, 0.25, 1.0) infinite;
}

@keyframes monogramPulse {
    0%, 100% { transform: scale(1.0); }
    50% { transform: scale(1.05); }
}

/* ========================================
   CURSOR-FOLLOW LEAF
   ======================================== */
.cursor-leaf {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.25, 0.1, 0.25, 1.0);
    filter: drop-shadow(0 2px 4px rgba(45, 10, 10, 0.25));
}

.cursor-leaf.active {
    opacity: 0.3;
}

/* ========================================
   NAVIGATION MONOGRAM
   ======================================== */
.nav-monogram {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 500;
    cursor: pointer;
}

.nav-monogram-text {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: 1.5px solid var(--burgundy-muted);
    border-radius: 50%;
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: 0.85rem;
    color: var(--burgundy-muted);
    background: rgba(245, 237, 224, 0.9);
    letter-spacing: 0.05em;
    transition: background 0.4s cubic-bezier(0.25, 0.1, 0.25, 1.0),
                color 0.4s cubic-bezier(0.25, 0.1, 0.25, 1.0),
                border-color 0.4s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.nav-monogram:hover .nav-monogram-text {
    background: var(--burgundy-mid);
    color: var(--cream-light);
    border-color: var(--burgundy-mid);
}

.nav-nodes {
    position: absolute;
    bottom: 0;
    left: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.nav-nodes.open {
    pointer-events: auto;
    opacity: 1;
}

.nav-node {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--burgundy-muted);
    border-radius: 50%;
    background: rgba(245, 237, 224, 0.95);
    text-decoration: none;
    transform: translate(6px, 6px) scale(0);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275),
                background 0.4s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

.nav-nodes.open .nav-node:nth-child(1) {
    transform: translate(-30px, -70px) scale(1);
    transition-delay: 0.05s;
}

.nav-nodes.open .nav-node:nth-child(2) {
    transform: translate(20px, -80px) scale(1);
    transition-delay: 0.1s;
}

.nav-nodes.open .nav-node:nth-child(3) {
    transform: translate(60px, -50px) scale(1);
    transition-delay: 0.15s;
}

.nav-node:hover {
    background: var(--burgundy-mid);
}

.nav-node:hover .nav-node-label {
    color: var(--cream-light);
}

.nav-node-label {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 600;
    font-size: 0.55rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--burgundy-muted);
    white-space: nowrap;
    transition: color 0.4s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

/* ========================================
   LEAF DRIFT ANIMATIONS
   ======================================== */
@keyframes leafDrift1 {
    0% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(30px, 25vh) rotate(45deg); }
    50% { transform: translate(-20px, 50vh) rotate(90deg); }
    75% { transform: translate(40px, 75vh) rotate(180deg); }
    100% { transform: translate(0, 100vh) rotate(270deg); }
}

@keyframes leafDrift2 {
    0% { transform: translate(0, 0) rotate(15deg); }
    25% { transform: translate(-25px, 25vh) rotate(60deg); }
    50% { transform: translate(35px, 50vh) rotate(120deg); }
    75% { transform: translate(-15px, 75vh) rotate(210deg); }
    100% { transform: translate(10px, 100vh) rotate(300deg); }
}

@keyframes leafDrift3 {
    0% { transform: translate(0, 0) rotate(-10deg); }
    33% { transform: translate(20px, 33vh) rotate(70deg); }
    66% { transform: translate(-30px, 66vh) rotate(150deg); }
    100% { transform: translate(15px, 100vh) rotate(240deg); }
}

@keyframes leafDrift4 {
    0% { transform: translate(0, 0) rotate(30deg); }
    20% { transform: translate(-35px, 20vh) rotate(75deg); }
    40% { transform: translate(25px, 40vh) rotate(130deg); }
    60% { transform: translate(-10px, 60vh) rotate(200deg); }
    80% { transform: translate(30px, 80vh) rotate(260deg); }
    100% { transform: translate(-5px, 100vh) rotate(330deg); }
}

/* ========================================
   RESPONSIVE (Mobile)
   ======================================== */
@media (max-width: 768px) {
    .page-container {
        flex-direction: column;
        min-height: auto;
    }

    .atmospheric-panel {
        position: relative;
        width: 100%;
        height: 60vh;
    }

    .atmospheric-panel.expanded,
    .atmospheric-panel.closing-width {
        width: 100%;
    }

    .content-panel {
        width: 100%;
        margin-left: 0;
    }

    .content-panel.shrunk,
    .content-panel.closing-shrunk {
        width: 100%;
        margin-left: 0;
    }

    .content-panel::before {
        width: 100%;
    }

    .panel-bleed {
        display: none;
    }

    .content-alcove {
        padding: 2rem;
    }

    #alcove-1 {
        padding-top: 4rem;
    }

    .content-alcove p {
        max-width: 100%;
    }

    .pull-quote {
        max-width: 90%;
    }

    .breath-section {
        min-height: 50vh;
    }

    .cursor-leaf {
        display: none;
    }

    .large-leaf-container {
        opacity: 0.5;
    }

    .nav-monogram {
        bottom: 1rem;
        left: 1rem;
    }
}