/* ============================================
   BOULDER GEAR LAB - AESTHETIC UPGRADES 2026
   Modern scroll animations, grain textures,
   and dynamic score visualizations
   ============================================ */

/* ========================================
   1. GRAIN TEXTURE OVERLAY
   Adds subtle noise for editorial depth
   ======================================== */

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Optional: Reduce grain in dark sections for better contrast */
.bgl-hero::after,
footer::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 5;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ========================================
   2. SCROLL ANIMATIONS
   Elements animate in as user scrolls
   ======================================== */

/* Base state for animated elements */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Staggered delays for grid items */
.scroll-reveal:nth-child(1) { transition-delay: 0ms; }
.scroll-reveal:nth-child(2) { transition-delay: 100ms; }
.scroll-reveal:nth-child(3) { transition-delay: 200ms; }
.scroll-reveal:nth-child(4) { transition-delay: 300ms; }
.scroll-reveal:nth-child(5) { transition-delay: 400ms; }
.scroll-reveal:nth-child(6) { transition-delay: 500ms; }

/* Fade up variation - default */
.scroll-reveal--fade-up {
    transform: translateY(60px);
}

/* Fade in from left */
.scroll-reveal--fade-left {
    transform: translateX(-60px);
}

.scroll-reveal--fade-left.revealed {
    transform: translateX(0);
}

/* Fade in from right */
.scroll-reveal--fade-right {
    transform: translateX(60px);
}

.scroll-reveal--fade-right.revealed {
    transform: translateX(0);
}

/* Scale up effect */
.scroll-reveal--scale {
    transform: scale(0.9);
}

.scroll-reveal--scale.revealed {
    transform: scale(1);
}

/* Blur in effect */
.scroll-reveal--blur {
    filter: blur(10px);
    transform: translateY(20px);
}

.scroll-reveal--blur.revealed {
    filter: blur(0);
    transform: translateY(0);
}

/* Section headers animation */
.section-header {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.section-header.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stats counter animation */
.bgl-stat-number {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.bgl-stat-number.revealed {
    opacity: 1;
    transform: scale(1);
}

/* Cards with hover lift enhancement */
.review-card,
.peak-card {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.review-card:hover,
.peak-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* ========================================
   3. REVIEW SCORE VISUALIZATIONS
   Animated circular & bar progress
   ======================================== */

/* Animated Score Circle */
.review-score-circle {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
}

.review-score-circle svg {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}

.review-score-circle .score-bg {
    fill: none;
    stroke: #e0e0e0;
    stroke-width: 8;
}

.review-score-circle .score-progress {
    fill: none;
    stroke: url(#scoreGradient);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 283; /* 2 * PI * 45 (radius) */
    stroke-dashoffset: 283;
    transition: stroke-dashoffset 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.review-score-circle.animated .score-progress {
    stroke-dashoffset: calc(283 - (283 * var(--score)) / 100);
}

.review-score-circle .score-value {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display, 'Archivo', sans-serif);
}

.review-score-circle .score-number {
    font-size: 28px;
    font-weight: 800;
    color: var(--mountain-dark, #1a1a1a);
    line-height: 1;
}

.review-score-circle .score-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #888;
    margin-top: 4px;
}

/* Large score circle variant */
.review-score-circle--large {
    width: 140px;
    height: 140px;
}

.review-score-circle--large .score-number {
    font-size: 42px;
}

.review-score-circle--large .score-label {
    font-size: 12px;
}

/* Category Score Bars */
.score-bars {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px;
    background: #fafafa;
    border-radius: 16px;
}

.score-bar-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.score-bar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
}

.score-bar-label {
    font-weight: 600;
    color: var(--mountain-dark, #1a1a1a);
}

.score-bar-value {
    font-weight: 700;
    color: var(--trail-red, #46a606);
}

.score-bar-track {
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
}

.score-bar-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--trail-red, #46a606), var(--alpine-blue, #2c5f8d));
    border-radius: 4px;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.score-bar-fill.animated {
    width: var(--score);
}

/* Overall Rating Display */
.overall-rating {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 32px;
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
    border-radius: 20px;
    margin-bottom: 32px;
}

.overall-rating .review-score-circle {
    margin: 0;
    flex-shrink: 0;
}

.overall-rating-text {
    flex: 1;
}

.overall-rating-verdict {
    font-family: var(--font-display, 'Archivo', sans-serif);
    font-size: 24px;
    font-weight: 800;
    color: var(--mountain-dark, #1a1a1a);
    margin-bottom: 8px;
}

.overall-rating-summary {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
}

/* Pros/Cons with animation */
.pros-cons-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin: 32px 0;
}

@media (max-width: 640px) {
    .pros-cons-grid {
        grid-template-columns: 1fr;
    }
}

.pros-list,
.cons-list {
    padding: 24px;
    border-radius: 16px;
}

.pros-list {
    background: linear-gradient(135deg, rgba(70, 166, 6, 0.08) 0%, rgba(70, 166, 6, 0.02) 100%);
    border: 1px solid rgba(70, 166, 6, 0.2);
}

.cons-list {
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.08) 0%, rgba(220, 53, 69, 0.02) 100%);
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.pros-list h4,
.cons-list h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pros-list h4 { color: #2d8a05; }
.cons-list h4 { color: #c82333; }

.pros-list h4::before { content: '✓'; }
.cons-list h4::before { content: '✗'; }

.pros-list ul,
.cons-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pros-list li,
.cons-list li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    font-size: 15px;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.pros-list li:last-child,
.cons-list li:last-child {
    border-bottom: none;
}

.pros-list.revealed li,
.cons-list.revealed li {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger the list item animations */
.pros-list li:nth-child(1), .cons-list li:nth-child(1) { transition-delay: 0ms; }
.pros-list li:nth-child(2), .cons-list li:nth-child(2) { transition-delay: 100ms; }
.pros-list li:nth-child(3), .cons-list li:nth-child(3) { transition-delay: 200ms; }
.pros-list li:nth-child(4), .cons-list li:nth-child(4) { transition-delay: 300ms; }
.pros-list li:nth-child(5), .cons-list li:nth-child(5) { transition-delay: 400ms; }

/* Quick Stats Pills */
.quick-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 24px 0;
}

.quick-stat {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 50px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.quick-stat:hover {
    border-color: var(--trail-red, #46a606);
    box-shadow: 0 4px 12px rgba(70, 166, 6, 0.15);
    transform: translateY(-2px);
}

.quick-stat-icon {
    font-size: 16px;
}

.quick-stat-label {
    color: #666;
}

.quick-stat-value {
    font-weight: 700;
    color: var(--mountain-dark, #1a1a1a);
}

/* ========================================
   4. ENHANCED TYPOGRAPHY ANIMATIONS
   ======================================== */

/* Animated underline for headings */
.animated-underline {
    position: relative;
    display: inline-block;
}

.animated-underline::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--trail-red, #46a606), var(--alpine-blue, #2c5f8d));
    border-radius: 2px;
    transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.animated-underline.revealed::after {
    width: 100%;
}

/* ========================================
   5. REDUCED MOTION PREFERENCES
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    .scroll-reveal,
    .section-header,
    .bgl-stat-number,
    .score-bar-fill,
    .review-score-circle .score-progress,
    .pros-list li,
    .cons-list li {
        transition: none !important;
        opacity: 1 !important;
        transform: none !important;
        filter: none !important;
    }
    
    .review-score-circle .score-progress {
        stroke-dashoffset: calc(283 - (283 * var(--score)) / 100) !important;
    }
    
    .score-bar-fill {
        width: var(--score) !important;
    }
    
    body::before {
        display: none;
    }
}