/* ==========================================================================
   RESEARCHPLUGHUB V2.0 — EDITORIAL MICRO-ANIMATIONS
   ========================================================================== */

/* --- Page Entrance Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes drawBorder {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

/* --- Entrance Utility Classes (Scroll Triggered) --- */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: 
        opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Animated stagger delays */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }

/* --- Micro-Interactions & Hover Animations --- */

/* Text Highlight Draw Effect */
.draw-accent {
    position: relative;
    display: inline-block;
}

.draw-accent::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 0;
    height: 6px;
    background-color: rgba(142, 124, 104, 0.15); /* Soft transparent bronze wash */
    z-index: -1;
    transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
}

.revealed .draw-accent::after {
    width: 100%;
}

/* Pulse Glow (For active indicators, like WhatsApp online state) */
.pulse-glow {
    position: relative;
}

.pulse-glow::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border-radius: var(--radius-pill);
    background-color: var(--color-accent);
    opacity: 0.4;
    z-index: -1;
    animation: pulse 2s cubic-bezier(0.25, 0, 0, 1) infinite;
}

@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(0.9);
        opacity: 0.4;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.6);
        opacity: 0;
    }
}

/* Smooth Tilt Floating (For Writing Canvas Mockup) */
@keyframes float {
    0% {
        transform: perspective(1000px) rotateY(-5deg) rotateX(5deg) translateY(0px);
    }
    50% {
        transform: perspective(1000px) rotateY(-5deg) rotateX(5deg) translateY(-8px);
    }
    100% {
        transform: perspective(1000px) rotateY(-5deg) rotateX(5deg) translateY(0px);
    }
}

.canvas-container.floating {
    animation: float 6s ease-in-out infinite;
}

.canvas-container.floating:hover {
    animation-play-state: paused;
}

/* --- High-Fidelity Dribbble animations --- */

/* Text Slide-Up Mask Reveal */
.line-mask {
    display: inline-block;
    overflow: hidden;
    vertical-align: bottom;
    line-height: 1.25;
}

.revealed-text {
    display: inline-block;
    transform: translateY(105%);
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.revealed .revealed-text,
.revealed-text.revealed {
    transform: translateY(0);
}

/* Grid Line Drawer selectors */
.draw-grid-border {
    position: relative;
}

.draw-grid-border::before,
.draw-grid-border::after {
    content: '';
    position: absolute;
    background-color: var(--border-editorial);
    transition: transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}

/* Horizontal line: draws from left to right */
.draw-grid-border.grid-horizontal::before {
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    transform: scaleX(0);
    transform-origin: left;
}

.draw-grid-border.grid-horizontal.revealed::before {
    transform: scaleX(1);
}

/* Vertical line: draws from top to bottom */
.draw-grid-border.grid-vertical::after {
    top: 0;
    right: 0;
    width: 1px;
    height: 100%;
    transform: scaleY(0);
    transform-origin: top;
}

.draw-grid-border.grid-vertical.revealed::after {
    transform: scaleY(1);
}

/* Magnetic Button Transition base */
.btn-magnetic {
    transition: transform 0.2s cubic-bezier(0.25, 1, 0.5, 1);
    display: inline-flex;
}

/* SVG Path Drawing hover animation */
.svg-draw path,
.svg-draw circle,
.svg-draw polyline,
.svg-draw line,
.svg-draw rect {
    stroke-dasharray: 100;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 1.5s cubic-bezier(0.16, 1, 0.3, 1), stroke 0.4s ease;
}

.service-card-editorial:hover .svg-draw path,
.service-card-editorial:hover .svg-draw polyline,
.service-card-editorial:hover .svg-draw line,
.service-card-editorial:hover .svg-draw rect {
    animation: drawPath 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes drawPath {
    0% {
        stroke-dashoffset: 100;
    }
    100% {
        stroke-dashoffset: 0;
    }
}

/* Scroll-triggered fade-in animations */
.scroll-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-section.revealed {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.scroll-section .animate-child {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-section.revealed .animate-child {
    opacity: 1 !important;
    transform: translateY(0) !important;
}