/* ===== FLEX SHARED ANIMATIONS & MICRO-INTERACTIONS ===== */
/* Standardized across all pages */

:root {
    /* Animation timing */
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    
    /* Duration */
    --duration-fast: 0.2s;
    --duration-normal: 0.3s;
    --duration-slow: 0.5s;
    --duration-slower: 0.8s;
}

/* ===== SCROLL REVEAL SYSTEM ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--duration-slower) var(--ease-out),
                transform var(--duration-slower) var(--ease-out);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ===== STAGGERED REVEAL FOR GRIDS ===== */
[data-stagger-reveal] > * {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--duration-slow) var(--ease-out),
                transform var(--duration-slow) var(--ease-out);
}

[data-stagger-reveal].visible > * {
    opacity: 1;
    transform: translateY(0);
}

[data-stagger-reveal].visible > *:nth-child(1) { transition-delay: 0.05s; }
[data-stagger-reveal].visible > *:nth-child(2) { transition-delay: 0.1s; }
[data-stagger-reveal].visible > *:nth-child(3) { transition-delay: 0.15s; }
[data-stagger-reveal].visible > *:nth-child(4) { transition-delay: 0.2s; }
[data-stagger-reveal].visible > *:nth-child(5) { transition-delay: 0.25s; }
[data-stagger-reveal].visible > *:nth-child(6) { transition-delay: 0.3s; }
[data-stagger-reveal].visible > *:nth-child(7) { transition-delay: 0.35s; }
[data-stagger-reveal].visible > *:nth-child(8) { transition-delay: 0.4s; }
[data-stagger-reveal].visible > *:nth-child(9) { transition-delay: 0.45s; }

/* ===== CARD MICRO-INTERACTIONS ===== */
.card-hover {
    transition: transform var(--duration-normal) var(--ease-smooth),
                box-shadow var(--duration-normal) var(--ease-smooth),
                border-color var(--duration-normal) var(--ease-smooth),
                background var(--duration-normal) var(--ease-smooth);
}

.card-hover:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(7, 53, 155, 0.15),
                0 4px 12px rgba(7, 53, 155, 0.1);
}

.card-hover-subtle:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(7, 53, 155, 0.1);
}

/* ===== BUTTON MICRO-INTERACTIONS ===== */
.btn-interactive {
    position: relative;
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-smooth);
}

.btn-interactive::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width var(--duration-slow) var(--ease-out),
                height var(--duration-slow) var(--ease-out);
}

.btn-interactive:hover::before {
    width: 300px;
    height: 300px;
}

.btn-interactive:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(57, 98, 225, 0.4);
}

.btn-interactive:active {
    transform: translateY(0);
    transition-duration: var(--duration-fast);
}

/* ===== LINK MICRO-INTERACTIONS ===== */
.link-underline {
    position: relative;
    text-decoration: none;
}

.link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--duration-normal) var(--ease-smooth);
}

.link-underline:hover::after {
    width: 100%;
}

/* ===== ICON MICRO-INTERACTIONS ===== */
.icon-hover {
    transition: transform var(--duration-normal) var(--ease-spring),
                background var(--duration-normal) var(--ease-smooth);
}

.icon-hover:hover {
    transform: scale(1.1) rotate(5deg);
}

.icon-bounce:hover {
    animation: iconBounce 0.6s var(--ease-spring);
}

@keyframes iconBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

/* ===== NAV LINK ANIMATIONS ===== */
.nav-links a {
    position: relative;
    transition: color var(--duration-normal) var(--ease-smooth),
                background var(--duration-normal) var(--ease-smooth);
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
    transform: translateX(-50%);
    transition: width var(--duration-normal) var(--ease-smooth);
}

.nav-links a:hover::before,
.nav-links a.active::before {
    width: 60%;
}

/* ===== ACCORDION ANIMATIONS ===== */
.phase-header {
    transition: background var(--duration-normal) var(--ease-smooth);
}

.phase-header:hover {
    background: linear-gradient(135deg, rgba(73, 175, 249, 0.18) 0%, rgba(57, 98, 225, 0.08) 100%);
}

.phase-toggle {
    transition: transform var(--duration-normal) var(--ease-spring),
                background var(--duration-normal) var(--ease-smooth);
}

.phase:hover .phase-toggle {
    background: rgba(73, 175, 249, 0.15);
    transform: scale(1.1);
}

.phase.expanded .phase-toggle {
    transform: rotate(180deg);
}

.phase-body {
    transition: max-height var(--duration-slow) var(--ease-smooth),
                opacity var(--duration-normal) var(--ease-smooth);
    opacity: 0;
}

.phase.expanded .phase-body {
    opacity: 1;
}

/* ===== TABLE MICRO-INTERACTIONS ===== */
.comparison-table tbody tr {
    transition: background var(--duration-fast) var(--ease-smooth),
                transform var(--duration-fast) var(--ease-smooth);
}

.comparison-table tbody tr:hover {
    background: var(--bg-card-hover);
    transform: scale(1.01);
}

/* ===== FORM MICRO-INTERACTIONS ===== */
.form-group input,
.form-group select,
.form-group textarea {
    transition: border-color var(--duration-normal) var(--ease-smooth),
                box-shadow var(--duration-normal) var(--ease-smooth),
                transform var(--duration-normal) var(--ease-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--royal-blue);
    box-shadow: 0 0 0 3px rgba(57, 98, 225, 0.15);
    transform: translateY(-1px);
}

/* ===== LIFECYCLE STEP ANIMATIONS ===== */
.lifecycle-step {
    transition: all var(--duration-normal) var(--ease-smooth);
    cursor: default;
}

.lifecycle-step:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 20px rgba(7, 53, 155, 0.15);
    border-color: var(--royal-blue);
}

.lifecycle-step:hover .lifecycle-step-num {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(7, 53, 155, 0.3);
}

.lifecycle-step-num {
    transition: transform var(--duration-normal) var(--ease-spring),
                box-shadow var(--duration-normal) var(--ease-smooth);
}

/* ===== FLOW PHASE ANIMATIONS ===== */
.flow-phase {
    transition: transform var(--duration-normal) var(--ease-smooth);
}

.flow-phase:hover {
    transform: translateY(-4px);
}

.flow-phase:hover .flow-phase-num {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(7, 53, 155, 0.4);
}

.flow-phase-num {
    transition: transform var(--duration-normal) var(--ease-spring),
                box-shadow var(--duration-normal) var(--ease-smooth);
}

/* ===== TESTIMONIAL ANIMATIONS ===== */
.testimonial-inline {
    transition: transform var(--duration-slow) var(--ease-smooth);
}

.testimonial-inline:hover {
    transform: scale(1.02);
}

/* ===== CTA SECTION ANIMATIONS ===== */
.cta .btn-primary,
.cta .btn-white {
    transition: all var(--duration-normal) var(--ease-smooth);
}

.cta .btn-primary:hover,
.cta .btn-white:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 32px rgba(57, 98, 225, 0.4);
}

/* ===== FOOTER LINK ANIMATIONS ===== */
.footer-links a {
    transition: color var(--duration-fast) var(--ease-smooth),
                transform var(--duration-fast) var(--ease-smooth);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--royal-blue);
    transform: translateX(4px);
}

/* ===== LOGO HOVER ===== */
.logo {
    transition: transform var(--duration-normal) var(--ease-smooth);
}

.logo:hover {
    transform: scale(1.02);
}

/* ===== PAGE LOAD ANIMATIONS ===== */
@keyframes pageFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-loaded {
    animation: pageFadeIn 0.5s var(--ease-out);
}

/* ===== HERO ENTRANCE ANIMATIONS ===== */
.hero-badge,
.hero-title-line,
.hero-lead,
.hero-buttons,
.hero-visual {
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeInUp 0.7s var(--ease-out) forwards;
}

.hero-badge { animation-delay: 0.1s; }
.hero-title-line:nth-child(1) { animation-delay: 0.2s; }
.hero-title-line:nth-child(2) { animation-delay: 0.4s; }
.hero-lead { animation-delay: 0.6s; }
.hero-buttons { animation-delay: 0.8s; }
.hero-visual { animation-delay: 0.5s; }

@keyframes heroFadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== SECTION HEADER ANIMATIONS ===== */
.section-label {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s var(--ease-out) forwards;
}

.section-title {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s var(--ease-out) 0.1s forwards;
}

.section-desc {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s var(--ease-out) 0.2s forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .reveal,
    [data-stagger-reveal] > * {
        opacity: 1;
        transform: none;
    }
}