/* =========================================================================
   dilemma.quest — Translucent Frost / Layered-Depth / Pastoral-Romantic
   Palette: Morning Mist, Summit Slate, Alpine Gold, Glass White,
             Slate Ridge, Distant Blue, Horizon Lavender, Frost Teal
   Motion prompt: Intersection Observer API with a `threshold` of 0.15 to
   trigger the reveal: `opacity: 1`; Intersection Observer reveals and
   Observer-driven slide-reveals with a single direction per element. No
   layered scroll speeds.
   ========================================================================= */

:root {
    /* Palette */
    --sky:            #e8ecf1; /* Morning Mist    — background */
    --ink:            #2b3240; /* Summit Slate    — text */
    --gold:           #c9a84c; /* Alpine Gold     — warm accent */
    --frost:          #f4f6f9; /* Glass White     — panels */
    --ridge-near:     #7b8a9e; /* Slate Ridge     — secondary text */
    --ridge-mid:      #a3b1c4; /* Distant Blue    — muted */
    --ridge-far:      #c8d0de; /* Horizon Lavender — subtle borders */
    --teal:           #6e9fb7; /* Frost Teal      — links, path lines */

    /* Type */
    --ff-display:  "Avenir Next", "Helvetica Neue", Helvetica, system-ui, sans-serif;
    --ff-body:     "Cormorant Garamond", "Lora", Georgia, serif;
    --ff-accent:   "Inter", "Avenir Next", "Helvetica Neue", Helvetica, system-ui, sans-serif;

    /* Rhythm */
    --pad-section: clamp(96px, 14vh, 160px);
    --pad-gutter:  clamp(24px, 5vw, 64px);

    /* Motion */
    --ease-mist: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background-color: var(--sky);
    color: var(--ink);
    font-family: var(--ff-body);
    font-size: clamp(1.05rem, 1.2vw, 1.25rem);
    line-height: 1.75;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }

a {
    color: var(--teal);
    text-decoration: none;
    transition: color 400ms var(--ease-mist);
}
a:hover { color: var(--gold); }

::selection {
    background: rgba(201, 168, 76, 0.25);
    color: var(--ink);
}

/* =========================================================================
   Logomark (fixed mountain-peak home anchor)
   ========================================================================= */

.logomark {
    position: fixed;
    top: 24px;
    left: 24px;
    width: 32px;
    height: 32px;
    z-index: 50;
    display: grid;
    place-items: center;
    opacity: 0.82;
    transition: opacity 500ms var(--ease-mist), transform 500ms var(--ease-mist);
}
.logomark:hover { opacity: 1; transform: translateY(-2px); }

.logomark-svg {
    width: 32px;
    height: 32px;
    overflow: visible;
}

.logomark-flag {
    transform-origin: 20px 5px;
    animation: flag-wave 4s ease-in-out infinite;
}

@keyframes flag-wave {
    0%, 100% { transform: rotate(-3deg); }
    50%      { transform: rotate(3deg); }
}

/* =========================================================================
   Continuous background "thread"
   ========================================================================= */

.thread {
    position: absolute;
    top: 100vh; /* starts after the hero */
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1200px;
    height: calc(100% - 100vh - 200px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.7;
}

/* =========================================================================
   THE SUMMIT (Hero)
   ========================================================================= */

.summit {
    position: relative;
    height: 100vh;
    min-height: 640px;
    width: 100%;
    overflow: hidden;
    background: linear-gradient(180deg, #eef1f5 0%, #e8ecf1 60%, #e5e9ef 100%);
    z-index: 1;
}

.summit-inner {
    position: absolute;
    top: 22%;
    left: 0;
    right: 0;
    text-align: center;
    padding: 0 var(--pad-gutter);
    z-index: 3;
    opacity: 0;
    transform: translateY(-18px);
    animation: summit-fade 1800ms var(--ease-mist) 300ms forwards;
}

@keyframes summit-fade {
    to { opacity: 1; transform: translateY(0); }
}

.eyebrow {
    font-family: var(--ff-accent);
    font-weight: 300;
    font-size: clamp(0.72rem, 0.9vw, 0.875rem);
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--ridge-near);
    margin: 0 0 28px 0;
}

.summit-title {
    font-family: var(--ff-display);
    font-weight: 300;
    font-size: clamp(3rem, 7vw, 6rem);
    letter-spacing: -0.03em;
    color: var(--ink);
    margin: 0;
    line-height: 1.02;
}

.summit-subtitle {
    font-family: var(--ff-body);
    font-size: clamp(1rem, 1.5vw, 1.3rem);
    color: var(--ridge-near);
    margin: 22px auto 0;
    max-width: 560px;
    line-height: 1.55;
    letter-spacing: 0.01em;
}

/* Layered mountain silhouettes */
.mountains {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 52%;
    z-index: 2;
    pointer-events: none;
}

.mountain {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: auto;
}

.mountain-far  { z-index: 1; opacity: 0.6;  bottom: 36%; }
.mountain-mid  { z-index: 2; opacity: 0.82; bottom: 18%; }
.mountain-near { z-index: 3; opacity: 1;    bottom: 0; }

.wildflowers { opacity: 0.5; }

/* Descent chevron */
.descent {
    position: absolute;
    bottom: 38px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: chevron-pulse 2.5s ease-in-out infinite;
}

.descent svg { width: 22px; height: 22px; }

.descent-label {
    font-family: var(--ff-accent);
    font-size: 0.68rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--ridge-near);
    font-weight: 300;
}

@keyframes chevron-pulse {
    0%, 100% { opacity: 0.3; transform: translate(-50%, 0); }
    50%      { opacity: 0.8; transform: translate(-50%, 6px); }
}

/* =========================================================================
   Frost Crystal dividers
   ========================================================================= */

.crystal-divider {
    display: grid;
    place-items: center;
    padding: 40px 0 24px;
    position: relative;
    z-index: 2;
}

.crystal {
    width: clamp(80px, 10vw, 120px);
    height: auto;
    animation: crystal-drift 9s ease-in-out infinite;
    transform-origin: center center;
}

@keyframes crystal-drift {
    0%, 100% { transform: rotate(0deg); }
    50%      { transform: rotate(12deg); }
}

/* =========================================================================
   Section headers (shared)
   ========================================================================= */

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto clamp(32px, 5vw, 56px);
    padding: 0 var(--pad-gutter);
}

.label {
    font-family: var(--ff-accent);
    font-weight: 500;
    font-size: clamp(0.72rem, 0.85vw, 0.85rem);
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--ridge-near);
    margin: 0 0 18px 0;
}
.label--gold { color: var(--gold); }

.section-title {
    font-family: var(--ff-display);
    font-weight: 300;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    letter-spacing: -0.02em;
    color: var(--ink);
    line-height: 1.15;
    margin: 0 0 18px 0;
}

.section-lede {
    font-family: var(--ff-body);
    font-style: italic;
    color: var(--ridge-near);
    font-size: clamp(1rem, 1.2vw, 1.2rem);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.65;
}

/* =========================================================================
   THE FORK (Dilemma panels)
   ========================================================================= */

.fork-section {
    position: relative;
    padding: var(--pad-section) 0;
    z-index: 2;
}

.fork {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 3vw;
    padding: 40px var(--pad-gutter) 20px;
    max-width: 1100px;
    margin: 0 auto;
}

/* Fork path SVG (diverges then converges) */
.fork-line {
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 52%;
    max-width: 520px;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.75;
}

.fork-panel {
    position: relative;
    z-index: 2;
    flex: 1 1 360px;
    max-width: 420px;
    background: rgba(244, 246, 249, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(200, 208, 222, 0.55);
    border-radius: 16px;
    padding: clamp(32px, 4vw, 48px);
    transform: rotate(var(--fork-angle));
    transition: transform 500ms var(--ease-mist),
                box-shadow 500ms var(--ease-mist),
                border-color 500ms var(--ease-mist);
    will-change: transform;
}

.fork-panel:hover,
.fork-panel:focus-within,
.fork-panel.is-open {
    transform: rotate(0deg) translateY(-4px);
    box-shadow: 0 12px 40px rgba(43, 50, 64, 0.09);
    border-color: rgba(201, 168, 76, 0.5);
}

.fork-panel--left  { transform-origin: bottom right; }
.fork-panel--right { transform-origin: bottom left; }

.panel-tag {
    font-family: var(--ff-accent);
    font-weight: 500;
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--gold);
    margin: 0 0 14px 0;
}

.panel-title {
    font-family: var(--ff-display);
    font-weight: 300;
    font-size: clamp(1.35rem, 2.2vw, 1.85rem);
    letter-spacing: -0.02em;
    color: var(--ink);
    margin: 0 0 16px 0;
    line-height: 1.2;
}

.panel-body {
    font-family: var(--ff-body);
    font-size: clamp(1rem, 1.15vw, 1.15rem);
    color: var(--ink);
    line-height: 1.75;
    margin: 0 0 18px 0;
}

.panel-footnote {
    font-family: var(--ff-body);
    font-style: italic;
    font-size: 0.95rem;
    color: var(--ridge-near);
    margin: 0;
    padding-top: 10px;
    border-top: 1px solid rgba(200, 208, 222, 0.8);
}

/* =========================================================================
   THE DESCENT (Reflection panels)
   ========================================================================= */

.descent-section {
    position: relative;
    padding: var(--pad-section) 0;
    z-index: 2;
}

.panel-wrap {
    max-width: 720px;
    margin: 0 auto;
    padding: clamp(40px, 6vw, 72px) clamp(32px, 5vw, 64px);
    background: rgba(244, 246, 249, 0.72);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(200, 208, 222, 0.4);
    border-radius: 18px;
}

.body-copy {
    font-family: var(--ff-body);
    font-size: clamp(1.05rem, 1.2vw, 1.22rem);
    color: var(--ink);
    line-height: 1.82;
    margin: 0 0 22px 0;
}

.pull-quote {
    font-family: var(--ff-body);
    font-style: italic;
    font-weight: 500;
    font-size: clamp(1.2rem, 1.8vw, 1.55rem);
    color: var(--ridge-near);
    line-height: 1.5;
    text-align: center;
    margin: 36px auto 0;
    max-width: 520px;
    position: relative;
    padding: 22px 0;
}
.pull-quote::before,
.pull-quote::after {
    content: "";
    display: block;
    width: 48px;
    height: 1px;
    background: var(--gold);
    opacity: 0.6;
    margin: 0 auto;
}
.pull-quote::before { margin-bottom: 20px; }
.pull-quote::after  { margin-top: 20px; }

/* =========================================================================
   THE VALLEY (Final)
   ========================================================================= */

.valley {
    position: relative;
    padding: var(--pad-section) 0 0;
    background: linear-gradient(180deg,
        var(--sky) 0%,
        #eef0f4 60%,
        #f4f6f9 100%);
    overflow: hidden;
    z-index: 2;
}

.valley-inner {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 var(--pad-gutter) clamp(80px, 10vh, 140px);
    text-align: center;
    position: relative;
    z-index: 3;
}

.valley-title {
    font-family: var(--ff-display);
    font-weight: 300;
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    letter-spacing: -0.025em;
    color: var(--ink);
    margin: 0 0 32px 0;
    line-height: 1.18;
}

.valley-body p {
    font-family: var(--ff-body);
    font-weight: 500;
    font-size: clamp(1.08rem, 1.25vw, 1.28rem);
    color: var(--ink);
    line-height: 1.82;
    margin: 0 0 22px 0;
}

.valley-close {
    font-family: var(--ff-body);
    font-style: italic;
    color: var(--gold);
    font-size: 1.05rem;
    margin-top: 44px;
    letter-spacing: 0.04em;
}

.valley-mountain {
    position: relative;
    width: 100%;
    height: auto;
    line-height: 0;
    z-index: 1;
}
.valley-mountain svg {
    width: 100%;
    height: auto;
    display: block;
}

/* =========================================================================
   Footer
   ========================================================================= */

.footer {
    background: #e4e8ee;
    padding: 56px var(--pad-gutter);
    text-align: center;
    position: relative;
    z-index: 2;
}

.footer-inner { max-width: 520px; margin: 0 auto; }

.footer-motif svg { width: 120px; height: 12px; margin: 0 auto 20px; }

.footer-text {
    font-family: var(--ff-display);
    font-weight: 300;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
    color: var(--ink);
    margin: 0 0 10px 0;
}

.footer-meta {
    font-family: var(--ff-accent);
    font-weight: 300;
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ridge-near);
    margin: 0;
}

/* =========================================================================
   Slide-reveal (Intersection Observer driven)
   ========================================================================= */

[data-reveal] {
    opacity: 0;
    transition:
        opacity 700ms var(--ease-mist),
        transform 700ms var(--ease-mist);
    will-change: opacity, transform;
}
[data-reveal="left"]  { transform: translateX(-80px); }
[data-reveal="right"] { transform: translateX(80px); }

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

/* =========================================================================
   Responsive (≤ 768px): stack fork panels, reduce angles
   ========================================================================= */

@media (max-width: 768px) {
    .summit-inner { top: 18%; }

    .fork {
        flex-direction: column;
        gap: 36px;
        align-items: center;
        padding: 24px var(--pad-gutter);
    }

    .fork-line {
        display: none;
    }

    .fork-panel {
        max-width: 480px;
        width: 100%;
        transform: rotate(0deg);
    }
    .fork-panel--left  { --fork-angle: -2deg; }
    .fork-panel--right { --fork-angle: 2deg; }

    .fork-panel--left,
    .fork-panel--right {
        transform: rotate(var(--fork-angle));
    }

    .fork-panel:hover {
        transform: rotate(0deg) translateY(-2px);
    }

    .logomark { top: 16px; left: 16px; width: 28px; height: 28px; }
    .logomark-svg { width: 28px; height: 28px; }

    .thread { display: none; }

    [data-reveal="left"],
    [data-reveal="right"] {
        transform: translateY(40px);
    }
    [data-reveal].is-revealed {
        transform: translateY(0);
    }
}

@media (max-width: 480px) {
    .summit { min-height: 560px; }
    .section-lede { font-size: 1rem; }
    .panel-wrap { padding: 36px 24px; }
}

/* Respect reduced-motion users (kept minimal, no ARIA changes) */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 200ms !important;
    }
    [data-reveal] {
        opacity: 1 !important;
        transform: none !important;
    }
}