/**
 * ReelMetrics Timeline/Stepper Widget Styles
 * Clean, engineering-focused implementation
 */

:root {
    /* Colors */
    --rm-color-blurple: #6366F1;
    --rm-color-blurple-200: #A5B4FC;
    --rm-color-gray-600: #6A6A6A;
    --rm-color-black: #292929;

    /* Radii */
    --rm-radius-pill: 80px;
    --rm-radius-card: 40px;
    --rm-radius-media: 20px;

    /* Easing & motion */
    --rm-ease-standard: cubic-bezier(0.23, 1, 0.32, 1);
    --rm-duration-fast: 180ms;
    --rm-duration-normal: 300ms;
}

.rm-timeline {
    display: flex;
    min-height: 100vh;
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
    gap: 80px;
}

/* Sticky Image Container */
.rm-timeline-image-container {
    flex: 0 0 50%;
    min-height: 100vh; /* allow column to grow with steps so sticky persists */
    position: relative;
}

.rm-timeline-image-sticky {
    position: sticky;
    top: 100px; /* Default sticky offset */
    width: 100%;
    height: 600px;
    border-radius: var(--rm-radius-media);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    transition: transform var(--rm-duration-normal) var(--rm-ease-standard);
}

.rm-timeline-image-sticky:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15);
}

.rm-timeline-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: scale(1.05);
    transition: opacity var(--rm-duration-normal) var(--rm-ease-standard),
                transform var(--rm-duration-normal) var(--rm-ease-standard);
    z-index: 1;
}

.rm-timeline-image.is-active {
    opacity: 1;
    transform: scale(1);
    z-index: 2;
}

.rm-timeline-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

/* Timeline Steps */
.rm-timeline-steps {
    flex: 0 0 45%;
    padding-left: 40px;
    position: relative;
    list-style: none; /* prevent default decimal markers */
    margin: 0; /* normalize UA margins on ol */
}

/* Ensure no marker shows even if UA forces it */
.rm-timeline-steps > li::marker,
.rm-timeline__list > li::marker {
    content: '';
}

/* Vertical Line (Desktop) - Clean positioning */
.rm-timeline-steps::before {
    content: '';
    position: absolute;
    left: 25px; /* Center of 50px numbers: 50/2 = 25px */
    top: 25px; /* Start from center of first number */
    bottom: 25px;
    width: 2px;
    background: var(--rm-color-blurple-200);
    z-index: 0; /* Behind everything */
}

.rm-timeline-step {
    position: relative;
    margin-bottom: 120px;
    padding-left: 80px; /* Space for 50px number + gap */
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.rm-timeline-step:last-child {
    margin-bottom: 0;
}

/* REMOVED: Opacity rules - user didn't want these restored */
/* Steps should not have opacity changes - only color changes */

.rm-timeline .rm-timeline-step.is-active {
    opacity: 1;
}

/* Step Number - Clean positioning with explicit states */
.rm-timeline-step-number {
    position: absolute;
    left: -8%; /* Align with timeline steps container */
    top: 0;
    width: 50px;
    height: 50px;
    background: var(--rm-color-gray-600); /* default inactive */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10; /* Above line but reasonable */
    transition: transform var(--rm-duration-fast) var(--rm-ease-standard),
                background-color var(--rm-duration-fast) linear,
                box-shadow var(--rm-duration-fast) linear;
    transform: scale(1);
    box-shadow: none;
}

/* Active step number */
.rm-timeline .rm-timeline-step.is-active .rm-timeline-step-number {
    background: var(--rm-color-blurple);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.rm-step-number {
    font-family: var(--rm-font-primary);
    font-weight: 600;
    font-size: 18px;
    color: #FFFFFF;
    transition: none; /* Keep it simple */
}

/* First step active by default - CSS only for immediate load */
.rm-timeline .rm-timeline-step:first-child {
    opacity: 1;
}

/* Step One class - specific control for first step */
.rm-timeline .rm-timeline-step.step-one .rm-timeline-step-number {
    background: var(--rm-color-blurple); /* Blurple by default */
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* Step One when explicitly deactivated */
.rm-timeline .rm-timeline-step.step-one.deactivated .rm-timeline-step-number {
    background: var(--rm-color-gray-600); /* Gray when deactivated */
    transform: scale(1);
    box-shadow: none;
}

/* Force ALL steps to be SOLID GRAY - no opacity */
/* Base number color already set above as gray */

/* Then override ONLY the active one - solid blurple with direct hex */
.rm-timeline .rm-timeline-step.is-active .rm-timeline-step-number {
    background: var(--rm-color-blurple);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* Active steps (non-step-one) - blurple when active */
.rm-timeline .rm-timeline-step.active .rm-timeline-step-number {
    background: #6366F1 !important; /* Direct blurple hex */
    opacity: 1 !important; /* Solid blurple */
    transform: scale(1.05) !important;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3) !important;
}

/* Step Content - Flexible Card Design */
.rm-timeline-step-content {
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 32px;
    gap: 16px;
    max-width: 575px;
    min-height: 214px;
    height: auto; /* Flexible height based on content */
    background: #FFFFFF;
    border: 1px solid #E8E8E8;
    box-shadow: 0px 0px 50px rgba(41, 41, 41, 0.06);
    border-radius: var(--rm-radius-card);
    flex: none;
    order: 1;
    align-self: stretch;
    flex-grow: 0;
    transition: box-shadow var(--rm-duration-normal) var(--rm-ease-standard),
                transform var(--rm-duration-normal) var(--rm-ease-standard);
}

.rm-timeline-step-title {
    /* Flexible title specs */
    max-width: 485px;
    width: 100%;
    height: auto; /* Flexible height */
    min-height: 34px;
    font-family: var(--rm-font-primary);
    font-style: normal;
    font-weight: 400;
    font-size: 32px;
    line-height: 105%;
    color: #292929;
    margin: 0;
    flex: none;
    order: 0;
    flex-grow: 0;
    transition: color 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.rm-timeline-step.active .rm-timeline-step-title {
    color: #292929;
}

.rm-timeline-step-description {
    /* Flexible description specs */
    max-width: 511px;
    width: 100%;
    height: auto; /* Flexible height */
    min-height: 30px;
    font-family: var(--rm-font-primary);
    font-style: normal;
    font-weight: 300;
    font-size: 20px;
    line-height: 150%;
    color: #292929; /* Changed from grey to black per Figma */
    margin: 0;
    flex: none;
    order: 1;
    align-self: stretch;
    flex-grow: 0;
}

.rm-timeline-step-button {
    /* Figma Frame 10 - Normal State */
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    padding: 25px 24px;
    gap: 8px;
    
    /* NO fixed width - let content determine size */
    min-width: 166px; /* Figma reference width */
    height: 52px;
    
    /* Black background */
    background: var(--rm-color-black);
    border-radius: var(--rm-radius-pill);
    
    /* Inside auto layout */
    flex: none;
    order: 1;
    flex-grow: 0;
    
    /* Reset default styles */
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.rm-timeline-step-button {
    /* Figma button text specs - Normal State */
    font-family: var(--rm-font-primary);
    font-style: normal;
    font-weight: 400;
    font-size: 16px;
    line-height: 130%; /* 21px */
    text-align: center;
    color: #FFFFFF;
    text-decoration: none !important;
    /* Inside auto layout */
    flex: none;
    order: 0;
    flex-grow: 0;
}


.rm-timeline-step-button:hover {

    /* Gradient overlay on black */
    background: linear-gradient(0deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.2)), var(--rm-color-black);
   
}

/* Step transition animations */
@keyframes rm-fade-up {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes rm-fade-down {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0.98; transform: translateY(6px); }
}

@keyframes rm-pop {
    0% { transform: scale(0.95); }
    70% { transform: scale(1.08); }
    100% { transform: scale(1.05); }
}

.rm-timeline-step.is-animating-in .rm-timeline-step-title {
    animation: rm-fade-up var(--rm-duration-normal) var(--rm-ease-standard) both;
    animation-delay: 0ms;
}

.rm-timeline-step.is-animating-in .rm-timeline-step-description {
    animation: rm-fade-up var(--rm-duration-normal) var(--rm-ease-standard) both;
    animation-delay: 60ms;
}

.rm-timeline-step.is-animating-in .rm-timeline-step-button {
    animation: rm-fade-up var(--rm-duration-normal) var(--rm-ease-standard) both;
    animation-delay: 120ms;
}

.rm-timeline-step.is-animating-in .rm-timeline-step-number {
    animation: rm-pop 260ms var(--rm-ease-standard);
}

.rm-timeline-step.is-animating-out .rm-timeline-step-content {
    animation: rm-fade-down 200ms var(--rm-ease-standard);
}

/* Mobile Layout (Horizontal) */
@media (max-width: 768px) {
    .rm-timeline {
        flex-direction: column;
        gap: 40px;
        padding: 40px 20px;
        min-height: auto;
    }

    /* Mobile Image Container */
    .rm-timeline-image-container {
        flex: none;
        height: 300px;
        order: 1;
    }

    .rm-timeline-image-sticky {
        position: relative;
        top: 0;
        height: 100%;
        border-radius: 16px;
    }

    .rm-timeline-image img {
        border-radius: 16px;
    }

    /* Mobile Steps - Horizontal, scroll-snap */
    .rm-timeline-steps,
    .rm-timeline__list {
        flex: none;
        order: 2;
        display: flex;
        gap: 16px;
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x mandatory;
        scroll-padding-inline: 40%; /* center bias without excessive side gap */
        -webkit-overflow-scrolling: touch;
        scroll-behavior: smooth;
        overscroll-behavior: contain;
        touch-action: pan-x;
        padding-inline: 16px;
        padding-block-end: 12px;
        scrollbar-width: thin;
        /* remove side fades to avoid perceived whitespace on some backgrounds */
        -webkit-mask-image: none;
                mask-image: none;
    }

    /* Remove vertical line on mobile */
    .rm-timeline-steps::before,
    .rm-timeline__list::before {
        display: none;
    }

    /* Horizontal dots container */
    .rm-timeline-steps,
    .rm-timeline__list {
        position: relative;
    }

    /* Remove mobile rail – number badge will indicate the step */
    .rm-timeline-steps::after,
    .rm-timeline__list::after { display: none; }

    .rm-timeline-step {
        margin-bottom: 0;
        padding-left: 0;
        padding-top: 0;
        position: relative;
        scroll-snap-align: center;
        scroll-snap-stop: always;
        min-width: clamp(320px, 85vw, 640px);
        flex: 0 0 auto;
        outline: none;
        display: block; /* vertical stack: number above card */
    }

    .rm-timeline-step-number {
        position: static; /* sits above card */
        left: auto;
        top: auto;
        transform: none;
        width: 32px;
        height: 32px;
        margin: 0 auto 10px; /* centered above card */
        box-shadow: 0 2px 10px rgba(0,0,0,.1);
    }

    .rm-step-number {
        font-size: 16px;
    }

    .rm-timeline-step-content {
        width: 100%;
        max-width: clamp(280px, 72vw, 520px); /* ensure full content visibility */
        height: auto;
        min-height: 200px;
        padding: 20px;
        gap: 12px;
        border-radius: 24px;
    }

    .rm-timeline-step-title {
        width: 100%;
        max-width: 485px;
        font-size: clamp(18px, 4.7vw, 24px);
        height: auto;
    }

    .rm-timeline-step-description {
        width: 100%;
        max-width: 511px;
        font-size: clamp(15px, 4vw, 18px);
        height: auto;
        line-height: 145%;
    }

    .rm-timeline-step-button {
        min-width: 150px;
        height: 48px;
        padding: 16px 20px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .rm-timeline {
        padding: 20px 15px;
        gap: 30px;
    }

    .rm-timeline-image-container {
        height: 250px;
    }

    .rm-timeline-step {
        margin-bottom: 0;
        padding-top: 50px;
        min-width: 92%;
    }

    .rm-timeline-step-content {
        padding: 20px;
        gap: 10px;
        min-height: 180px;
    }

    .rm-timeline-step-title {
        font-size: 20px;
        width: 100%;
    }

    .rm-timeline-step-description {
        font-size: 16px;
        line-height: 140%;
        width: 100%;
    }

    .rm-timeline-step-button {
        width: 120px;
        height: 45px;
        padding: 15px 20px;
        font-size: 14px;
    }
}

/* Scroll Indicator (Optional Enhancement) */
.rm-timeline-progress {
    position: fixed;
    top: 50%;
    right: 30px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 100;
}

.rm-timeline-progress-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #E8E8E8;
    transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
    cursor: pointer;
}

.rm-timeline-progress-dot.active {
    background: #292929;
    transform: scale(1.5);
}

@media (max-width: 768px) {
    .rm-timeline-progress {
        display: none;
    }
}

/* Loading Animation */
.rm-timeline-image.loading {
    opacity: 0.7;
    transform: scale(1.02);
}

/* Intersection Observer Enhancements */
.rm-timeline-step[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition-duration: 0.6s;
}

.rm-timeline-step[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}