/* =============================================================
   PPADDL.com — Crystalline Calm / Sepia-Nostalgic
   Intersection Observer triggers the draw animation: `stroke-dasharray: [pathLength]
   ============================================================= */

:root {
    --parchment: #F5EDE3;
    --linen: #E8D5C0;
    --umber: #9C8672;
    --sienna: #5B4636;
    --espresso: #3A2A1C;
    --honey: #C9A87C;
    --rose-quartz: #D4B8A0;
    --cream: #F0E0D0;

    --column: 720px;
    --inset: 480px;

    --serif-display: "Cormorant Garamond", "Cormorant", Georgia, serif;
    --serif-body: "EB Garamond", "Cormorant Garamond", Georgia, serif;

    --ease-soft: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--serif-body);
    color: var(--sienna);
    background: radial-gradient(ellipse at 50% 0%, var(--parchment) 0%, var(--linen) 75%, var(--cream) 100%);
    background-attachment: fixed;
    font-size: clamp(1rem, 1.125vw, 1.25rem);
    line-height: 1.8;
    font-weight: 400;
    overflow-x: hidden;
    letter-spacing: 0.005em;
    position: relative;
}

.svg-defs {
    position: absolute;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* ---------- Noise overlay ---------- */
.noise-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    opacity: 0.04;
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/></filter><rect width='220' height='220' filter='url(%23n)' opacity='0.9'/></svg>");
}

/* ---------- Ambient drifting shapes ---------- */
.ambient-shapes {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.ambient-shapes .shape {
    position: absolute;
    filter: blur(40px);
    opacity: 0.12;
    will-change: transform;
}

.shape-1 { width: 420px; height: 420px; top: -6%; left: -8%; animation: drift-a 28s ease-in-out infinite; }
.shape-2 { width: 340px; height: 340px; top: 38%; right: -10%; animation: drift-b 32s ease-in-out infinite; }
.shape-3 { width: 300px; height: 300px; bottom: 8%; left: -6%; animation: drift-c 26s ease-in-out infinite; }
.shape-4 { width: 260px; height: 260px; top: 72%; right: 12%; animation: drift-b 34s ease-in-out infinite reverse; }
.shape-5 { width: 360px; height: 360px; top: 18%; left: 40%; animation: drift-c 36s ease-in-out infinite; opacity: 0.08; }

@keyframes drift-a {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(40px, 60px) rotate(12deg); }
}
@keyframes drift-b {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-30px, 50px) rotate(-10deg); }
}
@keyframes drift-c {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(28px, -44px) rotate(8deg); }
}

/* ---------- Waypoints ---------- */
.waypoints {
    position: fixed;
    right: clamp(1rem, 2.4vw, 2.4rem);
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
    z-index: 10;
}

.waypoint {
    width: 18px;
    height: 18px;
    border: none;
    background: transparent;
    padding: 0;
    cursor: pointer;
    position: relative;
    opacity: 0.55;
    transition: opacity 0.5s var(--ease-soft), transform 0.6s var(--ease-soft);
}

.waypoint svg {
    width: 100%;
    height: 100%;
    display: block;
    transition: filter 0.6s var(--ease-soft);
}

.waypoint:hover {
    opacity: 1;
    transform: scale(1.15);
}

.waypoint.active {
    opacity: 1;
    animation: waypoint-pulse 3.2s ease-in-out infinite;
}

.waypoint.active svg {
    filter: drop-shadow(0 0 6px rgba(201, 168, 124, 0.65));
}

@keyframes waypoint-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.18); }
}

.waypoint-tooltip {
    position: absolute;
    right: 28px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--serif-display);
    font-variant: small-caps;
    font-weight: 300;
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    color: var(--umber);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--ease-soft), transform 0.4s var(--ease-soft);
}

.waypoint:hover .waypoint-tooltip,
.waypoint.active .waypoint-tooltip {
    opacity: 1;
    transform: translate(-4px, -50%);
}

/* ---------- Sections ---------- */
.section {
    max-width: var(--column);
    margin: 0 auto;
    padding: clamp(4rem, 10vh, 8rem) clamp(1.5rem, 5vw, 2.5rem);
    position: relative;
}

.section-hero {
    min-height: 100vh;
    max-width: none;
    padding: 0;
    display: grid;
    place-items: center;
}

.hero-stage {
    position: relative;
    width: min(92vw, 860px);
    display: grid;
    place-items: center;
    gap: clamp(1.4rem, 4vh, 3rem);
    padding: clamp(2rem, 6vh, 5rem) 1rem;
}

.prism-wrap {
    width: clamp(180px, 22vw, 240px);
    height: clamp(180px, 22vw, 240px);
    display: grid;
    place-items: center;
    filter: drop-shadow(0 10px 28px rgba(90, 70, 54, 0.14));
}

.prism {
    width: 100%;
    height: 100%;
    overflow: visible;
    animation: breathe 6s ease-in-out infinite;
}

.prism-group {
    transform-origin: 50% 50%;
    animation: prism-rotate 25s linear infinite;
    transform-box: fill-box;
}

@keyframes prism-rotate {
    from { transform: perspective(800px) rotateY(0deg); }
    to   { transform: perspective(800px) rotateY(360deg); }
}

@keyframes breathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

.hero-text {
    text-align: center;
    position: relative;
    padding: 0 1rem;
}

.eyebrow {
    font-family: var(--serif-display);
    font-variant: small-caps;
    font-weight: 300;
    font-size: 0.82rem;
    letter-spacing: 0.24em;
    color: var(--umber);
    margin-bottom: 1.4rem;
    opacity: 0;
    animation: fade-up 0.9s var(--ease-soft) 0.2s forwards;
}

.logotype {
    font-family: var(--serif-display);
    font-weight: 600;
    font-size: clamp(2.8rem, 8vw, 5.6rem);
    letter-spacing: 0.06em;
    color: var(--espresso);
    position: relative;
    display: inline-block;
    line-height: 1.05;
    padding-bottom: 0.3em;
}

.logotype .letter {
    display: inline-block;
    opacity: 0;
    transform: translateY(12px);
    animation: letter-in 0.9s var(--ease-soft) forwards;
    animation-delay: calc(0.25s + var(--i) * 0.15s);
}

@keyframes letter-in {
    to { opacity: 1; transform: translateY(0); }
}

.underline-hero {
    position: absolute;
    left: 0;
    right: 0;
    bottom: -0.15em;
    width: 100%;
    height: 0.5em;
    overflow: visible;
}

.underline-hero path {
    stroke-dasharray: 720;
    stroke-dashoffset: 720;
    animation: draw 1.4s var(--ease-soft) 1.6s forwards;
}

@keyframes draw {
    to { stroke-dashoffset: 0; }
}

.hero-sub {
    max-width: 42ch;
    margin: 0.4rem auto 0;
    font-family: var(--serif-body);
    font-style: italic;
    color: var(--sienna);
    opacity: 0;
    animation: fade-up 1s var(--ease-soft) 2.2s forwards;
    font-size: clamp(1rem, 1.3vw, 1.2rem);
}

@keyframes fade-up {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero-scroll-hint {
    position: absolute;
    bottom: -2.4rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--serif-display);
    font-variant: small-caps;
    font-size: 0.7rem;
    letter-spacing: 0.24em;
    color: var(--umber);
    opacity: 0;
    animation: fade-up 1s var(--ease-soft) 3s forwards, float-arrow 2.6s ease-in-out 4s infinite;
}

.hero-scroll-hint svg {
    width: 14px;
    height: 22px;
}

@keyframes float-arrow {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 6px); }
}

/* ---------- Labels / headlines / body ---------- */
.label {
    font-family: var(--serif-display);
    font-variant: small-caps;
    font-weight: 300;
    font-size: 0.8rem;
    letter-spacing: 0.18em;
    color: var(--umber);
    margin-bottom: 1.6rem;
}

.label.subtle {
    margin-bottom: 0.8rem;
    font-size: 0.72rem;
    letter-spacing: 0.22em;
}

.headline {
    font-family: var(--serif-display);
    font-weight: 600;
    font-size: clamp(2rem, 5vw, 4.5rem);
    letter-spacing: 0.01em;
    color: var(--espresso);
    line-height: 1.1;
    margin-bottom: 2.4rem;
    position: relative;
    display: inline-block;
    padding-bottom: 0.35em;
}

.headline .underline {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 0.5em;
    overflow: visible;
}

.headline .underline path {
    stroke-dasharray: 720;
    stroke-dashoffset: 720;
    transition: stroke-dashoffset 0.9s var(--ease-soft);
}

[data-reveal].is-visible .headline .underline path {
    stroke-dashoffset: 0;
}

.section-copy p {
    margin-bottom: 1.4rem;
    color: var(--sienna);
}

.section-copy p + p {
    margin-top: 0;
}

/* Headline tracking settle animation */
[data-reveal] .headline {
    letter-spacing: 0.08em;
    transition: letter-spacing 0.7s var(--ease-soft);
}

[data-reveal].is-visible .headline {
    letter-spacing: 0.01em;
}

/* ---------- Content reveal ---------- */
[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s var(--ease-soft), transform 0.8s var(--ease-soft);
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Pull-quote / inset panel ---------- */
.pull-quote {
    max-width: var(--inset);
    margin: 2.4rem auto;
    padding: 1.8rem clamp(1.2rem, 3vw, 2.4rem);
    font-family: var(--serif-display);
    font-style: italic;
    font-weight: 400;
    font-size: clamp(1.1rem, 1.5vw, 1.5rem);
    line-height: 1.55;
    color: var(--sienna);
    text-align: center;
    position: relative;
    background: linear-gradient(180deg, rgba(232, 213, 192, 0.4), rgba(240, 224, 208, 0.2));
    border-top: 1px solid rgba(201, 168, 124, 0.35);
    border-bottom: 1px solid rgba(201, 168, 124, 0.35);
    opacity: 0.55;
    transition: opacity 1.2s var(--ease-soft);
}

[data-reveal].is-visible .pull-quote {
    opacity: 1;
}

.pull-quote::before,
.pull-quote::after {
    content: "";
    position: absolute;
    left: 50%;
    width: 8px;
    height: 8px;
    background: var(--honey);
    transform: translateX(-50%) rotate(45deg);
}
.pull-quote::before { top: -4px; }
.pull-quote::after { bottom: -4px; }

/* ---------- Panel / artifact list ---------- */
.panel {
    max-width: var(--inset);
    margin: 2.4rem auto;
    padding: 2rem clamp(1.2rem, 3vw, 2.2rem);
    background: linear-gradient(180deg, var(--linen) 0%, rgba(240, 224, 208, 0.65) 100%);
    border: 1px solid rgba(201, 168, 124, 0.28);
    border-radius: 2px;
    position: relative;
}

.panel::before {
    content: "";
    position: absolute;
    top: -5px;
    left: 50%;
    width: 10px;
    height: 10px;
    background: var(--honey);
    transform: translateX(-50%) rotate(45deg);
}

.artifact-list {
    list-style: none;
    display: grid;
    gap: 0.9rem;
}

.artifact-list li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px dashed rgba(156, 134, 114, 0.35);
    font-family: var(--serif-body);
}

.artifact-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.artifact-name {
    font-family: var(--serif-display);
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--espresso);
    letter-spacing: 0.02em;
}

.artifact-meta {
    font-family: var(--serif-display);
    font-variant: small-caps;
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    color: var(--umber);
    text-align: right;
}

/* ---------- Vault entries ---------- */
.vault-entries {
    display: grid;
    gap: 1.6rem;
    margin: 1.4rem 0 2.4rem;
}

.vault-entry {
    padding: 1.4rem 1.2rem;
    background: linear-gradient(135deg, rgba(232, 213, 192, 0.35), rgba(245, 237, 227, 0.2));
    border-left: 2px solid var(--honey);
    position: relative;
    transition: transform 0.7s var(--ease-soft), background 0.7s var(--ease-soft);
}

.vault-entry:hover {
    transform: translateX(6px);
    background: linear-gradient(135deg, rgba(232, 213, 192, 0.55), rgba(245, 237, 227, 0.35));
}

.vault-entry p:last-child {
    margin-bottom: 0;
    color: var(--sienna);
}

/* ---------- Rhinestones ---------- */
.rhinestones {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.rhinestones span {
    position: absolute;
    width: 4px;
    height: 4px;
    left: var(--x);
    top: var(--y);
    background: radial-gradient(circle, var(--cream) 0%, var(--honey) 45%, transparent 75%);
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(201, 168, 124, 0.65);
    opacity: 0;
    transform: scale(0.3);
    transition: opacity 0.6s var(--ease-soft), transform 0.6s var(--ease-soft);
    transition-delay: var(--d);
}

[data-reveal].is-visible .rhinestones span,
.section-hero .rhinestones span {
    opacity: 0.9;
    transform: scale(1);
    animation: twinkle 3.6s ease-in-out infinite;
    animation-delay: var(--d);
}

.section-hero .rhinestones span {
    opacity: 0.9;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.85; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.7); }
}

.cluster-hero { z-index: -1; }
.cluster-side { width: 30%; left: -6%; top: 0; height: 100%; }
.cluster-wide { height: 180px; position: relative; margin-top: 2rem; }

/* ---------- Crystalline dividers ---------- */
.divider {
    display: flex;
    justify-content: center;
    padding: clamp(2rem, 5vh, 4rem) 1rem;
    position: relative;
}

.divider::before,
.divider::after {
    content: "";
    position: absolute;
    top: 50%;
    width: min(18%, 140px);
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201, 168, 124, 0.45), transparent);
}

.divider::before { left: 12%; }
.divider::after { right: 12%; }

.divider-row {
    width: min(320px, 80vw);
    height: 40px;
    overflow: visible;
}

.divider-diamond {
    opacity: 0.55;
    transform: scale(0.85);
    transform-box: fill-box;
    transform-origin: center;
    transition: opacity 0.8s var(--ease-soft), transform 0.8s var(--ease-soft);
    transition-delay: var(--d);
    filter: drop-shadow(0 0 0 transparent);
}

.divider.is-visible .divider-diamond {
    opacity: 1;
    transform: scale(1.1);
    animation: shimmer 2.4s ease-in-out infinite;
    animation-delay: var(--d);
}

@keyframes shimmer {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 2px rgba(201, 168, 124, 0.25));
    }
    50% {
        transform: scale(1.1);
        filter: drop-shadow(0 0 10px rgba(201, 168, 124, 0.65));
    }
}

/* ---------- Coda / signoff ---------- */
.section-coda {
    position: relative;
}

.signoff {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 3rem;
    padding: 2rem 0;
}

.signoff-diamond {
    width: 28px;
    height: 28px;
    display: block;
    animation: breathe 5s ease-in-out infinite, slow-rotate 20s linear infinite;
}

.signoff-diamond svg {
    width: 100%;
    height: 100%;
}

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

.signoff-text {
    font-family: var(--serif-display);
    font-variant: small-caps;
    font-weight: 300;
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    color: var(--umber);
    text-align: center;
    margin-bottom: 0;
}

/* ---------- Footer ---------- */
.footer {
    padding: clamp(4rem, 8vh, 6rem) 1rem clamp(3rem, 6vh, 4rem);
    text-align: center;
    background: linear-gradient(180deg, transparent 0%, rgba(58, 42, 28, 0.08) 40%, rgba(58, 42, 28, 0.35) 100%);
    position: relative;
}

.footer-converge {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 2rem;
    transform-origin: center;
    animation: converge 8s ease-in-out infinite;
}

@keyframes converge {
    0%, 100% { gap: 0.6rem; }
    50% { gap: 0.08rem; }
}

.converge-dot {
    width: 6px;
    height: 6px;
    background: var(--honey);
    transform: rotate(45deg);
    opacity: 0.6;
}

.converge-dot.converge-center {
    width: 10px;
    height: 10px;
    background: radial-gradient(circle, var(--cream), var(--honey));
    opacity: 1;
    box-shadow: 0 0 12px rgba(201, 168, 124, 0.8);
}

.footer-text {
    font-family: var(--serif-display);
    font-variant: small-caps;
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    color: var(--cream);
    opacity: 0.75;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
    .waypoints {
        gap: 1rem;
        right: 0.8rem;
    }
    .waypoint { width: 14px; height: 14px; }
    .waypoint-tooltip { display: none; }
    .artifact-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.2rem;
    }
    .artifact-meta { text-align: left; }
    .divider::before, .divider::after { display: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
    [data-reveal] { opacity: 1; transform: none; }
    .logotype .letter { opacity: 1; transform: none; }
    .underline-hero path, .headline .underline path { stroke-dashoffset: 0; }
    .eyebrow, .hero-sub, .hero-scroll-hint { opacity: 1; }
}