/* gabs.quest - Parallax Storytelling Journey */
/* A value discovery adventure through layered landscapes */

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

:root {
    --sky-blue: #87CEEB;
    --sand: #E8D5B7;
    --forest-green: #3A5A40;
    --hill-green: #6B8E7B;
    --valley-green: #7DB46C;
    --slate-mountain: #8B9DC3;
    --sunset-lilac: #C8A2C8;
    --quest-gold: #F0E68C;
    --white: #FFFFFF;
    --campfire-dark: #2C1810;
    --ember: #A08060;
    --trail-brown: #8B6B4A;
    --log-dark: #5A4030;
    --flame-orange: #FF6B00;
    --flame-yellow: #FFD700;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Nunito', sans-serif;
    font-weight: 400;
    font-size: 0.95rem;
    line-height: 1.8;
    background: var(--campfire-dark);
    color: var(--forest-green);
    overflow-x: hidden;
}

/* ==================== PARALLAX BACKGROUND LAYERS ==================== */
.parallax-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    pointer-events: none;
    will-change: transform;
}

/* Back layer: Sky gradient */
.layer-sky {
    z-index: 0;
    background: linear-gradient(180deg, var(--sky-blue) 0%, #9ED8F0 40%, var(--sand) 100%);
    opacity: 0;
    transition: opacity 600ms ease;
}

.layer-sky.visible {
    opacity: 1;
}

/* Middle layer: Mountain silhouettes */
.layer-mountains {
    z-index: 1;
    bottom: 0;
    top: auto;
    height: 45vh;
    background: var(--hill-green);
    clip-path: polygon(
        0% 100%,
        0% 65%,
        3% 58%,
        8% 45%,
        13% 52%,
        18% 38%,
        23% 48%,
        28% 30%,
        33% 42%,
        38% 35%,
        43% 22%,
        48% 32%,
        53% 18%,
        58% 28%,
        63% 20%,
        68% 35%,
        73% 25%,
        78% 40%,
        83% 28%,
        88% 38%,
        93% 32%,
        98% 42%,
        100% 38%,
        100% 100%
    );
    opacity: 0;
    transform: translateY(100px);
    transition: opacity 800ms ease, transform 800ms ease;
}

.layer-mountains.visible {
    opacity: 0.8;
    transform: translateY(0);
}

/* Front layer: Tree silhouettes */
.layer-trees {
    z-index: 2;
    bottom: 0;
    top: auto;
    height: 28vh;
    background: var(--forest-green);
    clip-path: polygon(
        0% 100%,
        0% 75%,
        2% 65%,
        4% 38%,
        6% 65%,
        8% 72%,
        10% 50%,
        12% 32%,
        14% 50%,
        16% 68%,
        18% 42%,
        20% 28%,
        22% 42%,
        24% 60%,
        26% 45%,
        28% 22%,
        30% 45%,
        32% 58%,
        34% 40%,
        36% 25%,
        38% 40%,
        40% 55%,
        42% 35%,
        44% 18%,
        46% 35%,
        48% 52%,
        50% 38%,
        52% 20%,
        54% 38%,
        56% 55%,
        58% 42%,
        60% 28%,
        62% 42%,
        64% 58%,
        66% 38%,
        68% 22%,
        70% 38%,
        72% 52%,
        74% 35%,
        76% 18%,
        78% 35%,
        80% 50%,
        82% 38%,
        84% 25%,
        86% 38%,
        88% 55%,
        90% 42%,
        92% 30%,
        94% 42%,
        96% 58%,
        98% 45%,
        100% 62%,
        100% 100%
    );
    opacity: 0;
    transform: translateY(100px);
    transition: opacity 600ms ease, transform 600ms ease;
}

.layer-trees.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== CONTENT WRAPPER ==================== */
.content-wrapper {
    position: relative;
    z-index: 5;
}

/* ==================== WINDING TRAIL SVG ==================== */
.trail-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 6;
    pointer-events: none;
    opacity: 0.6;
}

.trail-path {
    transition: none;
}

/* ==================== HERO SECTION ==================== */
.hero-section {
    position: relative;
    z-index: 10;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

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

.hero-title {
    line-height: 1.1;
}

.title-gabs {
    display: block;
    font-family: 'Fredoka', sans-serif;
    font-weight: 600;
    font-size: clamp(3.5rem, 9vw, 7rem);
    color: var(--white);
    text-shadow: 0 3px 15px rgba(0, 0, 0, 0.2), 0 1px 4px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: scale(1.5);
    transition: opacity 600ms ease, transform 600ms ease;
    letter-spacing: 0.05em;
}

.title-gabs.visible {
    opacity: 1;
    transform: scale(1);
}

.title-quest {
    display: block;
    font-family: 'Fredoka', sans-serif;
    font-weight: 400;
    font-size: clamp(1.5rem, 4vw, 3rem);
    color: var(--quest-gold);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transition: opacity 400ms ease;
    letter-spacing: 0.1em;
}

.title-quest.visible {
    opacity: 1;
}

.hero-subtitle {
    font-family: 'Nunito', sans-serif;
    font-weight: 400;
    font-size: clamp(0.85rem, 1.5vw, 1.1rem);
    color: rgba(255, 255, 255, 0.7);
    margin-top: 1rem;
    opacity: 0;
    transition: opacity 500ms ease;
    letter-spacing: 0.15em;
    text-transform: lowercase;
}

.hero-subtitle.visible {
    opacity: 1;
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 800ms ease;
    animation: bounceDown 2s ease-in-out infinite;
}

.scroll-indicator.visible {
    opacity: 0.6;
}

@keyframes bounceDown {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ==================== DISCOVERY SECTIONS ==================== */
.discovery-section {
    position: relative;
    z-index: 10;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: clamp(4rem, 8vw, 8rem) clamp(1.5rem, 4vw, 4rem);
}

/* Valley: green gradient overlay */
#valley {
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(125, 180, 108, 0.15) 15%,
        rgba(125, 180, 108, 0.35) 50%,
        rgba(125, 180, 108, 0.5) 100%
    );
}

/* Mountain: slate gradient overlay */
#mountain {
    background: linear-gradient(
        180deg,
        rgba(125, 180, 108, 0.25) 0%,
        rgba(139, 157, 195, 0.3) 20%,
        rgba(139, 157, 195, 0.5) 60%,
        rgba(139, 157, 195, 0.65) 100%
    );
}

/* Mountain section: text slightly more transparent */
#mountain .card-text {
    opacity: 0.92;
}

/* Summit: sunset lilac gradient overlay */
#summit {
    background: linear-gradient(
        180deg,
        rgba(139, 157, 195, 0.25) 0%,
        rgba(200, 162, 200, 0.3) 20%,
        rgba(200, 162, 200, 0.5) 60%,
        rgba(200, 162, 200, 0.65) 100%
    );
}

/* Summit section: text slightly less transparent */
#summit .card-text {
    opacity: 0.9;
}

/* ==================== DISCOVERY CARDS ==================== */
.discovery-card {
    max-width: 540px;
    width: 100%;
    background: rgba(255, 255, 255, 0.92);
    border-radius: 24px;
    padding: 2.5rem 2.5rem 2rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.06);
    text-align: center;
    opacity: 0;
    transform: scale(0.95) translateY(20px);
    transition: opacity 600ms ease, transform 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    backdrop-filter: blur(4px);
}

.discovery-card.visible {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.card-icon-wrapper {
    margin-bottom: 1.25rem;
    display: inline-block;
}

.card-icon {
    display: block;
}

.card-heading {
    font-family: 'Fredoka', sans-serif;
    font-weight: 500;
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    color: var(--forest-green);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.card-text {
    font-family: 'Nunito', sans-serif;
    font-weight: 400;
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--forest-green);
}

/* ==================== SUMMIT FLAG ==================== */
.summit-flag {
    margin-top: 2.5rem;
    opacity: 0;
    transform: translateY(30px) scale(0.8);
    transition: opacity 400ms cubic-bezier(0.34, 1.56, 0.64, 1),
                transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.summit-flag.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.flag-pennant {
    animation: flagWave 2s ease-in-out infinite alternate;
    transform-origin: left center;
}

@keyframes flagWave {
    0% { transform: skewX(-2deg); }
    100% { transform: skewX(2deg); }
}

/* ==================== CAMPFIRE FOOTER ==================== */
#footer {
    position: relative;
    z-index: 10;
    background: var(--campfire-dark);
    padding: 5rem 2rem 3rem;
    text-align: center;
    overflow: hidden;
}

/* Subtle gradient top edge */
#footer::before {
    content: '';
    position: absolute;
    top: -40px;
    left: 0;
    width: 100%;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--campfire-dark));
    pointer-events: none;
}

.campfire-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.campfire {
    display: inline-block;
    position: relative;
}

/* SVG element colors via CSS */
.campfire svg rect:first-of-type {
    fill: #5A4030;
}

.flame-outer-left,
.flame-outer-right {
    fill: #FF6B00;
}

.flame-inner {
    fill: #FFD700;
}

/* Flame animations */
.flame-outer-left {
    animation: flicker1 0.8s ease-in-out infinite alternate;
    transform-origin: 35px 48px;
}

.flame-outer-right {
    animation: flicker2 1.2s ease-in-out infinite alternate;
    transform-origin: 42px 48px;
}

.flame-inner {
    animation: flicker3 0.6s ease-in-out infinite alternate;
    transform-origin: 38px 42px;
}

@keyframes flicker1 {
    0% { transform: scaleY(0.9) scaleX(0.98); }
    100% { transform: scaleY(1.1) scaleX(1.02); }
}

@keyframes flicker2 {
    0% { transform: scaleY(1.08) scaleX(1.02); }
    100% { transform: scaleY(0.9) scaleX(0.98); }
}

@keyframes flicker3 {
    0% { transform: scaleY(0.92) scaleX(1.01); }
    100% { transform: scaleY(1.12) scaleX(0.99); }
}

/* Ember spark animations */
.ember-spark {
    opacity: 0;
}

.ember-1 {
    animation: sparkFloat1 2.5s ease-in-out infinite;
}

.ember-2 {
    animation: sparkFloat2 3s ease-in-out infinite 0.8s;
}

.ember-3 {
    animation: sparkFloat3 2s ease-in-out infinite 1.5s;
}

@keyframes sparkFloat1 {
    0% { opacity: 0; transform: translateY(0); }
    20% { opacity: 1; }
    80% { opacity: 0.6; }
    100% { opacity: 0; transform: translateY(-15px) translateX(5px); }
}

@keyframes sparkFloat2 {
    0% { opacity: 0; transform: translateY(0); }
    25% { opacity: 0.8; }
    75% { opacity: 0.4; }
    100% { opacity: 0; transform: translateY(-12px) translateX(-4px); }
}

@keyframes sparkFloat3 {
    0% { opacity: 0; transform: translateY(0); }
    15% { opacity: 1; }
    85% { opacity: 0.5; }
    100% { opacity: 0; transform: translateY(-18px) translateX(3px); }
}

/* Campfire glow */
.campfire::after {
    content: '';
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 60px;
    background: radial-gradient(ellipse, rgba(255, 107, 0, 0.15) 0%, transparent 70%);
    pointer-events: none;
    animation: glowPulse 1.5s ease-in-out infinite alternate;
}

@keyframes glowPulse {
    0% { opacity: 0.6; transform: translateX(-50%) scale(0.95); }
    100% { opacity: 1; transform: translateX(-50%) scale(1.05); }
}

.footer-brand {
    font-family: 'Fredoka', sans-serif;
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--quest-gold);
    margin-bottom: 0.3rem;
    letter-spacing: 0.05em;
}

.footer-complete {
    font-family: 'Nunito', sans-serif;
    font-weight: 400;
    font-size: 0.8rem;
    color: var(--ember);
    letter-spacing: 0.08em;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .discovery-card {
        padding: 2rem 1.5rem 1.5rem;
        margin: 0 1rem;
        max-width: calc(100% - 2rem);
    }

    .layer-mountains {
        height: 35vh;
    }

    .layer-trees {
        height: 20vh;
    }

    .discovery-section {
        min-height: 90vh;
    }
}

@media (max-width: 480px) {
    .discovery-card {
        padding: 1.5rem 1.25rem 1.25rem;
        border-radius: 18px;
    }

    .layer-mountains {
        height: 28vh;
    }

    .layer-trees {
        height: 16vh;
    }

    #footer {
        padding: 3.5rem 1.5rem 2rem;
    }
}