/* ============================================
   foryou.reviews - Crystalline Glassmorphism
   ============================================ */

:root {
    --abyssal-navy: #0B1224;
    --frosted-slate: rgba(22, 33, 62, 0.55);
    --gunmetal-silver: #8A95A7;
    --ice-white: #E8ECF2;
    --muted-steel: #6B7A8D;
    --prismatic-blue: #4A7CFF;
    --brushed-platinum: #C0C8D6;
    --amber-refraction: #D4A853;
    --panel-border-top: rgba(255, 255, 255, 0.12);
    --panel-border-bottom: rgba(255, 255, 255, 0.02);
    --panel-inner-highlight: rgba(255, 255, 255, 0.03);
    --stagger-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background: var(--abyssal-navy);
    color: var(--ice-white);
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    line-height: 1.75;
    overflow-x: hidden;
}

/* --- Particle Layer --- */
.particle-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.hex-particle {
    position: absolute;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    background: var(--prismatic-blue);
    pointer-events: none;
    will-change: transform;
}

/* --- Dot Navigation --- */
.dot-nav {
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 100;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--muted-steel);
    opacity: 0.3;
    transition: opacity 400ms ease, transform 400ms ease, background 400ms ease;
    cursor: pointer;
}

.dot.active {
    opacity: 1;
    background: var(--prismatic-blue);
    transform: scale(1.3);
}

/* --- Chambers --- */
.chamber {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(48px, 8vw, 120px);
    overflow: hidden;
}

/* --- Hero Chamber --- */
.chamber-hero {
    flex-direction: column;
}

.crystal-bg-motif {
    position: absolute;
    bottom: -10%;
    left: -5%;
    width: 300px;
    height: 300px;
    z-index: 0;
    opacity: 1;
}

.crystal-svg {
    width: 100%;
    height: 100%;
}

.crystal-slow {
    animation: crystalSpin 120s linear infinite;
    will-change: transform;
}

@keyframes crystalSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(2.5rem, 5vw, 5rem);
    letter-spacing: 0.04em;
    color: var(--ice-white);
    text-shadow: 0 0 80px rgba(74, 124, 255, 0.15);
    z-index: 5;
    position: relative;
}

.hero-title .char {
    display: inline-block;
    opacity: 0;
    transform: scale(0.1);
    transition: opacity 1.2s var(--stagger-ease), transform 1.2s var(--stagger-ease);
}

.hero-title .char.crystallized {
    opacity: 1;
    transform: scale(1);
}

.scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    animation: hintPulse 3s ease-in-out infinite;
}

.chevron-down {
    width: 20px;
    height: 12px;
    opacity: 0.3;
}

@keyframes hintPulse {
    0%, 100% { opacity: 0.3; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.15; transform: translateX(-50%) translateY(6px); }
}

/* --- Glass Panels --- */
.glass-panel {
    position: relative;
    z-index: 5;
    max-width: 620px;
    width: 100%;
    padding: clamp(32px, 4vw, 56px);
    border-radius: 14px;
    background: var(--frosted-slate);
    background-image: linear-gradient(135deg, var(--panel-inner-highlight), transparent 60%);
    border: 1px solid transparent;
    border-image: linear-gradient(to bottom, var(--panel-border-top), var(--panel-border-bottom)) 1;
    border-radius: 14px;
    overflow: hidden;
}

@supports (backdrop-filter: blur(24px)) {
    .glass-panel {
        backdrop-filter: blur(24px) saturate(120%);
    }
}

@supports not (backdrop-filter: blur(24px)) {
    .glass-panel {
        background: rgba(22, 33, 62, 0.88);
    }
}

/* border-image breaks border-radius; use pseudo-element instead */
.glass-panel {
    border-image: none;
    border: none;
}

.glass-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 14px;
    padding: 1px;
    background: linear-gradient(to bottom, var(--panel-border-top), var(--panel-border-bottom));
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    z-index: 1;
}

/* --- Stagger Animation --- */
.stagger-panel {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 900ms var(--stagger-ease), transform 900ms var(--stagger-ease);
}

.stagger-panel.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-item {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 700ms var(--stagger-ease), transform 700ms var(--stagger-ease);
}

.stagger-panel.visible .stagger-item:nth-child(1) { transition-delay: 0ms; }
.stagger-panel.visible .stagger-item:nth-child(2) { transition-delay: 120ms; }
.stagger-panel.visible .stagger-item:nth-child(3) { transition-delay: 240ms; }
.stagger-panel.visible .stagger-item:nth-child(4) { transition-delay: 360ms; }
.stagger-panel.visible .stagger-item:nth-child(5) { transition-delay: 480ms; }

.stagger-panel.visible .stagger-item {
    opacity: 1;
    transform: translateY(0);
}

/* --- Panel Typography --- */
.panel-heading {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    letter-spacing: 0.04em;
    color: var(--ice-white);
    margin-bottom: 0.5rem;
}

.hand-drawn-line {
    width: 200px;
    height: 4px;
    margin-bottom: 1.5rem;
}

.panel-body {
    color: var(--ice-white);
    font-weight: 300;
    max-width: 36em;
    margin-bottom: 1rem;
    opacity: 0.85;
}

.panel-body:last-child {
    margin-bottom: 0;
}

/* --- Crystal Accents --- */
.crystal-accent {
    position: absolute;
    z-index: 0;
    pointer-events: none;
}

.crystal-right {
    right: -20px;
    top: 10%;
    width: 80px;
    height: 160px;
}

.crystal-left {
    left: -20px;
    top: 5%;
    width: 80px;
    height: 200px;
}

.crystal-top {
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 60px;
}

/* --- Margin Sketch (hover reveal) --- */
.margin-sketch {
    position: absolute;
    bottom: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    opacity: 0;
    transition: opacity 600ms ease;
}

.margin-sketch::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 1px solid var(--muted-steel);
    border-radius: 2px;
    opacity: 0.3;
    transform: rotate(12deg);
    clip-path: polygon(20% 0%, 80% 10%, 100% 40%, 90% 80%, 50% 100%, 10% 80%, 0% 30%);
}

.glass-panel:hover .margin-sketch {
    opacity: 1;
}

/* --- Split Panels --- */
.split-panels {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 620px;
    width: 100%;
    z-index: 5;
}

.glass-panel-sm {
    max-width: 100%;
    padding: clamp(24px, 3vw, 40px);
}

/* --- Closing Section --- */
.chamber-closing {
    flex-direction: column;
    background: linear-gradient(to bottom, var(--abyssal-navy), #0F1A30);
}

.dissolution-crystals {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
    pointer-events: none;
}

.closing-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(2.5rem, 5vw, 5rem);
    letter-spacing: 0.04em;
    color: var(--ice-white);
    text-shadow: 0 0 80px rgba(74, 124, 255, 0.15);
    z-index: 5;
    position: relative;
}

.closing-title .char {
    display: inline-block;
    transition: opacity 1.5s ease, transform 1.5s ease, filter 1.5s ease;
}

.closing-title .char.dissolved {
    opacity: 0;
    transform: translateY(-20px) scale(0.3);
    filter: blur(4px);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .chamber {
        padding: clamp(48px, 6vw, 80px) clamp(24px, 4vw, 48px);
    }

    .dot-nav {
        right: 12px;
    }

    .crystal-bg-motif {
        width: 200px;
        height: 200px;
    }

    .glass-panel {
        max-width: 100%;
    }

    .crystal-right {
        right: -10px;
        width: 50px;
    }

    .crystal-left {
        left: -10px;
        width: 50px;
    }
}

@media (max-width: 480px) {
    .dot-nav {
        right: 8px;
        gap: 8px;
    }

    .dot {
        width: 6px;
        height: 6px;
    }
}