/* ==============================================
   EFFECTS & ANIMATIONS - Orange theme
   ==============================================
   Primary: --color-primary (#ea580c) etc. from style.css
   ============================================== */

/* ========================================
   SCROLL REVEAL SYSTEM - Modern & Performant
   ======================================== */

/* Base reveal state - all variants start invisible */
.reveal,
.reveal-left,
.reveal-right,
.reveal-scale {
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal {
    transform: translateY(40px);
}

.reveal-left {
    transform: translateX(-60px);
}

.reveal-right {
    transform: translateX(60px);
}

.reveal-scale {
    transform: scale(0.92);
}

/* Visible state - all variants resolve to natural position */
.reveal.visible,
.reveal-left.visible,
.reveal-right.visible,
.reveal-scale.visible {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

/* Section header: title then subtitle stagger when revealed */
.section-header.reveal h2,
.section-header.reveal p {
    opacity: 0;
    transform: translateY(20px);
}
.section-header.reveal.visible h2 {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0s;
}
.section-header.reveal.visible p {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.15s;
}
.section-header.reveal h2 {
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.section-header.reveal p {
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.15s, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.15s;
}

/* ========================================
   STAGGERED CHILDREN ANIMATION
   ======================================== */

.stagger-children > * {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   FLOATING & PULSE ANIMATIONS
   ======================================== */

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

@keyframes floatSoft {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-5px) rotate(1deg);
    }
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(234, 88, 12, 0.2);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 35px rgba(234, 88, 12, 0.4);
        transform: scale(1.02);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* Utility classes */
.float-animation {
    animation: float 4s ease-in-out infinite;
}

.float-soft {
    animation: floatSoft 5s ease-in-out infinite;
}

.pulse-glow {
    animation: pulseGlow 3s ease-in-out infinite;
}

/* ========================================
   BUTTON SHIMMER EFFECT
   ======================================== */

.btn-shimmer {
    position: relative;
    overflow: hidden;
}

.btn-shimmer::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.15),
        transparent
    );
    animation: shimmer 3s ease-in-out infinite;
}

/* ========================================
   SCROLL PROGRESS BAR
   ======================================== */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    z-index: 9999;
    transition: width 0.1s ease;
    box-shadow: 0 2px 8px rgba(234, 88, 12, 0.4);
}

/* ========================================
   BACK TO TOP BUTTON
   ======================================== */

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: #ffffff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 0 20px rgba(234, 88, 12, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0;
    transform: translateY(20px);
}

.back-to-top.visible {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(234, 88, 12, 0.6);
}

/* ========================================
   LOADING SPINNER
   ======================================== */

.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(234, 88, 12, 0.2);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========================================
   FADE / SLIDE / SCALE ANIMATIONS
   ======================================== */

/* Fade In */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Slide In Left */
.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Slide In Right */
.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Scale In */
.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* ========================================
   PARALLAX EFFECT
   ======================================== */

.parallax {
    will-change: transform;
}

/* ========================================
   COUNTER ANIMATION
   ======================================== */

.counter {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    display: inline-block;
}

.counter-suffix {
    font-size: 1.5rem;
    color: var(--color-text-light);
}

/* ========================================
   TYPING EFFECT
   ======================================== */

.typing-effect {
    border-right: 2px solid var(--color-primary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% {
        border-color: var(--color-primary);
    }
    51%, 100% {
        border-color: transparent;
    }
}

/* ========================================
   HOVER LIFT EFFECT
   ======================================== */

.hover-lift {
    transition: transform 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
}

/* ========================================
   GRADIENT TEXT
   ======================================== */

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-animated {
    background: linear-gradient(
        135deg,
        var(--color-primary-light),
        var(--color-primary),
        var(--color-primary-light)
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease infinite;
}

/* ========================================
   SECTION BACKGROUND EFFECTS - Animated Blobs
   ======================================== */

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

.section-blobs .blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.section-blobs .blob-a {
    width: 400px;
    height: 400px;
    background: rgba(234, 88, 12, 0.15);
    top: -100px;
    left: -100px;
    animation: floatSoft 15s ease-in-out infinite;
}

.section-blobs .blob-b {
    width: 300px;
    height: 300px;
    background: rgba(109, 40, 217, 0.1);
    bottom: -80px;
    right: -80px;
    animation: floatSoft 12s ease-in-out infinite reverse;
}

/* ========================================
   CARD HOVER EFFECTS
   ======================================== */

.card-hover-lift {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(234, 88, 12, 0.12),
                0 0 30px rgba(234, 88, 12, 0.1);
}

/* Glow border on hover */
.glow-border {
    position: relative;
}

.glow-border::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: inherit;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
    filter: blur(8px);
}

.glow-border:hover::before {
    opacity: 0.5;
}

/* ========================================
   ICON ANIMATIONS
   ======================================== */

@keyframes iconBounce {
    0%, 100% {
        transform: translateY(0);
    }
    25% {
        transform: translateY(-4px);
    }
    75% {
        transform: translateY(2px);
    }
}

@keyframes iconPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

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

.icon-bounce:hover i,
.icon-bounce:hover svg {
    animation: iconBounce 0.5s ease;
}

.icon-pulse:hover i,
.icon-pulse:hover svg {
    animation: iconPulse 0.6s ease;
}

/* ========================================
   INTERACTIVE FEEDBACK
   ======================================== */

/* Click ripple effect */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: radial-gradient(circle, rgba(234, 88, 12, 0.3) 0%, transparent 70%);
    opacity: 0;
    transform: scale(0);
    transition: transform 0.5s ease, opacity 0.5s ease;
}

.ripple:active::after {
    opacity: 1;
    transform: scale(2);
    transition: 0s;
}

/* Focus ring for accessibility */
.focus-ring:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

/* ========================================
   SMOOTH REVEAL (legacy / alternate class)
   ======================================== */

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

/* ========================================
   STAGGER ITEM (standalone stagger)
   ======================================== */

.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* ========================================
   LOADING OVERLAY
   ======================================== */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.loading-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* ========================================
   SMOOTH PAGE TRANSITION
   ======================================== */

.page-transition {
    opacity: 0;
    animation: fadeIn 0.5s ease forwards;
}

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

/* ========================================
   RESPONSIVE MOTION PREFERENCES
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale,
    .stagger-children > *,
    .fade-in,
    .slide-in-left,
    .slide-in-right,
    .scale-in,
    .stagger-item {
        opacity: 1 !important;
        transform: none !important;
    }

    .float-animation,
    .float-soft,
    .pulse-glow {
        animation: none !important;
    }

}

/* ========================================
   MOBILE-SPECIFIC OPTIMIZATIONS
   ======================================== */

@media (max-width: 768px) {
    .float-animation,
    .float-soft {
        animation: none;
    }

    .section-blobs .blob {
        filter: blur(60px);
        opacity: 0.3;
    }

    .card-hover-lift:hover {
        transform: none;
        box-shadow: none;
    }

    .hover-lift:hover {
        transform: none;
    }
}

@media (max-width: 480px) {
    .section-blobs {
        display: none;
    }

}