/**
 * Dimension Scroll Reveal - Cinematic scroll-triggered card reveal
 * A bold, immersive experience for the 6 AI Readiness Dimensions
 */

/* ==========================================================================
   SCROLL REVEAL CONTAINER
   ========================================================================== */

.dimension-scroll-section {
    position: relative;
    /* Height = intro (100vh) + 6 dimensions (100vh each) + outro (50vh) */
    height: 750vh;
    background: linear-gradient(180deg,
        #0a0a12 0%,
        #0d0d1a 15%,
        #0a0a12 50%,
        #0d0d1a 85%,
        #0a0a12 100%
    );
}

.dimension-scroll-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(180deg, var(--dark) 0%, transparent 100%);
    z-index: 2;
    pointer-events: none;
}

/* Sticky viewport container */
.dimension-viewport {
    position: sticky;
    top: 0;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==========================================================================
   INTRO HEADER
   ========================================================================== */

.dimension-intro {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
    opacity: 1;
    transition: opacity 0.6s ease, transform 0.6s ease;
    width: 90%;
    max-width: 800px;
}

.dimension-intro.hidden {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.95);
    pointer-events: none;
}

.dimension-intro .section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: 50px;
    color: #a5b4fc;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 24px;
}

.dimension-intro .intro-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.05;
    color: #ffffff;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.dimension-intro .intro-title span {
    display: block;
}

.dimension-intro .intro-title .number-highlight {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dimension-intro .intro-subtitle {
    font-size: 1.15rem;
    color: #94a3b8;
    max-width: 550px;
    margin: 0 auto 32px;
    line-height: 1.6;
}

.scroll-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: #64748b;
    font-size: 0.85rem;
    animation: scrollHintPulse 2s ease-in-out infinite;
}

.scroll-hint svg {
    width: 24px;
    height: 24px;
    animation: scrollHintBounce 1.5s ease-in-out infinite;
}

@keyframes scrollHintPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

@keyframes scrollHintBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* ==========================================================================
   DIMENSION CARDS STACK
   ========================================================================== */

.dimension-cards-stack {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 1200px;
    height: 85vh;
    max-height: 700px;
    padding: 0 24px;
}

/* Individual dimension card */
.dimension-reveal-card {
    position: absolute;
    top: 0;
    left: 24px;
    right: 24px;
    height: 100%;
    border-radius: 32px;
    overflow: hidden;
    opacity: 0;
    transform: translateY(100px) scale(0.92);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform, opacity;

    /* Glass card effect */
    background: linear-gradient(135deg,
        rgba(20, 20, 35, 0.95) 0%,
        rgba(15, 15, 28, 0.98) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow:
        0 50px 100px -20px rgba(0, 0, 0, 0.5),
        0 30px 60px -30px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.dimension-reveal-card.active {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.dimension-reveal-card.exiting {
    opacity: 0;
    transform: translateY(-80px) scale(0.95);
}

/* Card inner layout */
.dimension-card-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    height: 100%;
    position: relative;
}

/* Left side - Content */
.dimension-card-content {
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 2;
}

/* Dimension number badge */
.dimension-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 16px;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}

.dimension-number::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.15;
    border-radius: inherit;
}

.dimension-number span {
    position: relative;
    z-index: 1;
}

/* Dimension title */
.dimension-card-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

/* Weight badge */
.dimension-weight {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 24px;
    opacity: 0.7;
}

/* Description */
.dimension-card-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #cbd5e1;
    margin-bottom: 32px;
    max-width: 480px;
}

/* Checks list */
.dimension-checks {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dimension-checks li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: #e2e8f0;
}

.dimension-checks li svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Right side - Image */
.dimension-card-visual {
    position: relative;
    overflow: hidden;
}

.dimension-card-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.85;
    transition: transform 8s ease-out;
}

.dimension-reveal-card.active .dimension-card-image {
    transform: scale(1.05);
}

/* Image overlay gradient */
.dimension-card-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
        rgba(15, 15, 28, 1) 0%,
        rgba(15, 15, 28, 0.7) 30%,
        transparent 60%
    );
    z-index: 1;
}

/* Glow effect behind card */
.dimension-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120%;
    height: 120%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.3;
    pointer-events: none;
    z-index: -1;
    transition: opacity 0.8s ease;
}

.dimension-reveal-card.active .dimension-glow {
    opacity: 0.5;
}

/* ==========================================================================
   DIMENSION COLOR THEMES
   ========================================================================== */

/* Technical - Cyan/Blue */
.dimension-reveal-card[data-dimension="technical"] {
    --dim-color: #06b6d4;
    --dim-color-light: #22d3ee;
    --dim-gradient: linear-gradient(135deg, #06b6d4, #3b82f6);
}

.dimension-reveal-card[data-dimension="technical"] .dimension-number {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(59, 130, 246, 0.2));
    border: 1px solid rgba(6, 182, 212, 0.3);
    color: #22d3ee;
}

.dimension-reveal-card[data-dimension="technical"] .dimension-card-title {
    color: #22d3ee;
}

.dimension-reveal-card[data-dimension="technical"] .dimension-checks li svg {
    color: #06b6d4;
}

.dimension-reveal-card[data-dimension="technical"] .dimension-glow {
    background: radial-gradient(circle, rgba(6, 182, 212, 0.4) 0%, transparent 70%);
}

/* Structural - Purple/Magenta */
.dimension-reveal-card[data-dimension="structural"] {
    --dim-color: #a855f7;
    --dim-color-light: #c084fc;
    --dim-gradient: linear-gradient(135deg, #a855f7, #ec4899);
}

.dimension-reveal-card[data-dimension="structural"] .dimension-number {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(236, 72, 153, 0.2));
    border: 1px solid rgba(168, 85, 247, 0.3);
    color: #c084fc;
}

.dimension-reveal-card[data-dimension="structural"] .dimension-card-title {
    color: #c084fc;
}

.dimension-reveal-card[data-dimension="structural"] .dimension-checks li svg {
    color: #a855f7;
}

.dimension-reveal-card[data-dimension="structural"] .dimension-glow {
    background: radial-gradient(circle, rgba(168, 85, 247, 0.4) 0%, transparent 70%);
}

/* Content - Amber/Gold */
.dimension-reveal-card[data-dimension="content"] {
    --dim-color: #f59e0b;
    --dim-color-light: #fbbf24;
    --dim-gradient: linear-gradient(135deg, #f59e0b, #f97316);
}

.dimension-reveal-card[data-dimension="content"] .dimension-number {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(249, 115, 22, 0.2));
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fbbf24;
}

.dimension-reveal-card[data-dimension="content"] .dimension-card-title {
    color: #fbbf24;
}

.dimension-reveal-card[data-dimension="content"] .dimension-checks li svg {
    color: #f59e0b;
}

.dimension-reveal-card[data-dimension="content"] .dimension-glow {
    background: radial-gradient(circle, rgba(245, 158, 11, 0.4) 0%, transparent 70%);
}

/* Performance - Green/Teal */
.dimension-reveal-card[data-dimension="performance"] {
    --dim-color: #10b981;
    --dim-color-light: #34d399;
    --dim-gradient: linear-gradient(135deg, #10b981, #14b8a6);
}

.dimension-reveal-card[data-dimension="performance"] .dimension-number {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(20, 184, 166, 0.2));
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.dimension-reveal-card[data-dimension="performance"] .dimension-card-title {
    color: #34d399;
}

.dimension-reveal-card[data-dimension="performance"] .dimension-checks li svg {
    color: #10b981;
}

.dimension-reveal-card[data-dimension="performance"] .dimension-glow {
    background: radial-gradient(circle, rgba(16, 185, 129, 0.4) 0%, transparent 70%);
}

/* Media - Coral/Pink */
.dimension-reveal-card[data-dimension="media"] {
    --dim-color: #f472b6;
    --dim-color-light: #f9a8d4;
    --dim-gradient: linear-gradient(135deg, #f472b6, #fb923c);
}

.dimension-reveal-card[data-dimension="media"] .dimension-number {
    background: linear-gradient(135deg, rgba(244, 114, 182, 0.2), rgba(251, 146, 60, 0.2));
    border: 1px solid rgba(244, 114, 182, 0.3);
    color: #f9a8d4;
}

.dimension-reveal-card[data-dimension="media"] .dimension-card-title {
    color: #f9a8d4;
}

.dimension-reveal-card[data-dimension="media"] .dimension-checks li svg {
    color: #f472b6;
}

.dimension-reveal-card[data-dimension="media"] .dimension-glow {
    background: radial-gradient(circle, rgba(244, 114, 182, 0.4) 0%, transparent 70%);
}

/* AI-Specific - Indigo/Violet */
.dimension-reveal-card[data-dimension="ai-specific"] {
    --dim-color: #818cf8;
    --dim-color-light: #a5b4fc;
    --dim-gradient: linear-gradient(135deg, #818cf8, #6366f1);
}

.dimension-reveal-card[data-dimension="ai-specific"] .dimension-number {
    background: linear-gradient(135deg, rgba(129, 140, 248, 0.2), rgba(99, 102, 241, 0.2));
    border: 1px solid rgba(129, 140, 248, 0.3);
    color: #a5b4fc;
}

.dimension-reveal-card[data-dimension="ai-specific"] .dimension-card-title {
    color: #a5b4fc;
}

.dimension-reveal-card[data-dimension="ai-specific"] .dimension-checks li svg {
    color: #818cf8;
}

.dimension-reveal-card[data-dimension="ai-specific"] .dimension-glow {
    background: radial-gradient(circle, rgba(129, 140, 248, 0.4) 0%, transparent 70%);
}

/* ==========================================================================
   PROGRESS INDICATOR
   ========================================================================== */

.dimension-progress {
    position: fixed;
    right: 32px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 16px;
    z-index: 100;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.dimension-progress.visible {
    opacity: 1;
}

.progress-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.progress-dot::before {
    content: attr(data-label);
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.progress-dot:hover::before {
    opacity: 1;
}

.progress-dot.active {
    background: var(--dim-color, #6366f1);
    border-color: var(--dim-color, #6366f1);
    box-shadow: 0 0 12px var(--dim-color, #6366f1);
    transform: scale(1.2);
}

.progress-dot.passed {
    background: rgba(255, 255, 255, 0.4);
    border-color: rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 1024px) {
    .dimension-card-inner {
        grid-template-columns: 1fr;
        grid-template-rows: 40% 60%;
    }

    .dimension-card-content {
        padding: 40px;
        order: 2;
    }

    .dimension-card-visual {
        order: 1;
    }

    .dimension-card-visual::before {
        background: linear-gradient(180deg,
            transparent 0%,
            rgba(15, 15, 28, 0.5) 50%,
            rgba(15, 15, 28, 1) 100%
        );
    }

    .dimension-progress {
        right: 16px;
    }

    .progress-dot::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .dimension-scroll-section {
        height: 800vh;
    }

    .dimension-reveal-card {
        border-radius: 24px;
        left: 16px;
        right: 16px;
    }

    .dimension-card-content {
        padding: 28px;
    }

    .dimension-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        margin-bottom: 16px;
    }

    .dimension-card-title {
        font-size: 1.75rem;
        margin-bottom: 4px;
    }

    .dimension-weight {
        font-size: 0.9rem;
        margin-bottom: 16px;
    }

    .dimension-card-description {
        font-size: 0.95rem;
        margin-bottom: 20px;
        line-height: 1.6;
    }

    .dimension-checks li {
        font-size: 0.85rem;
        gap: 8px;
    }

    .dimension-checks li svg {
        width: 16px;
        height: 16px;
    }

    .dimension-intro .intro-title {
        font-size: 2rem;
    }

    .dimension-intro .intro-subtitle {
        font-size: 1rem;
    }

    .dimension-cards-stack {
        max-height: 600px;
        padding: 0 16px;
    }

    .dimension-progress {
        gap: 12px;
    }

    .progress-dot {
        width: 10px;
        height: 10px;
    }
}

/* ==========================================================================
   FLOATING PARTICLES (Background detail)
   ========================================================================== */

.dimension-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.dimension-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: floatParticle 20s linear infinite;
}

@keyframes floatParticle {
    0% {
        transform: translateY(100vh) translateX(0) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
        transform: translateY(90vh) translateX(10px) scale(1);
    }
    90% {
        opacity: 1;
        transform: translateY(10vh) translateX(-10px) scale(1);
    }
    100% {
        transform: translateY(-10vh) translateX(0) scale(0);
        opacity: 0;
    }
}

/* Stagger particles */
.dimension-particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 18s; }
.dimension-particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 22s; }
.dimension-particle:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 20s; }
.dimension-particle:nth-child(4) { left: 40%; animation-delay: 1s; animation-duration: 25s; }
.dimension-particle:nth-child(5) { left: 50%; animation-delay: 3s; animation-duration: 19s; }
.dimension-particle:nth-child(6) { left: 60%; animation-delay: 5s; animation-duration: 23s; }
.dimension-particle:nth-child(7) { left: 70%; animation-delay: 2s; animation-duration: 21s; }
.dimension-particle:nth-child(8) { left: 80%; animation-delay: 4s; animation-duration: 24s; }
.dimension-particle:nth-child(9) { left: 90%; animation-delay: 1s; animation-duration: 17s; }
.dimension-particle:nth-child(10) { left: 15%; animation-delay: 6s; animation-duration: 26s; }