/**
 * Anonymize.Education - Protective Clarity Animations
 * Based on the design philosophy: concentric protection, organic flow, systematic rhythm
 */

/* ============================================
   CORE ANIMATION KEYFRAMES
   ============================================ */

/* Concentric ring pulse - layers of protection breathing */
@keyframes protectionPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.05);
        opacity: 1;
    }
}

/* Shield shimmer effect */
@keyframes shieldShimmer {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

/* Data flow animation - points traveling */
@keyframes dataFlow {
    0% {
        transform: translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateX(100px);
        opacity: 0;
    }
}

/* Gentle float for cards */
@keyframes gentleFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* Fade in and rise */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade in and scale */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Rotate slowly - for loading states */
@keyframes gentleRotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Dot pattern wave */
@keyframes dotWave {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.6;
    }
}

/* Staggered reveal */
@keyframes staggerReveal {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Typewriter cursor blink for code sections */
@keyframes cursorBlink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

/* Security check animation */
@keyframes securityCheck {
    0% {
        stroke-dashoffset: 100;
    }
    100% {
        stroke-dashoffset: 0;
    }
}

/* Ring expansion */
@keyframes ringExpand {
    0% {
        transform: scale(0.8);
        opacity: 0.8;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* Gradient shift for backgrounds */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}


/* ============================================
   HERO SECTION ANIMATIONS
   ============================================ */

.hero-animated {
    position: relative;
    overflow: hidden;
}

/* Concentric protection circles in hero */
.protection-rings {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 500px;
    height: 500px;
    pointer-events: none;
}

.protection-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid var(--nurture-green, #5eead4);
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    animation: protectionPulse 4s ease-in-out infinite;
}

.protection-ring:nth-child(1) {
    width: 100%;
    height: 100%;
    opacity: 0.15;
    animation-delay: 0s;
}

.protection-ring:nth-child(2) {
    width: 80%;
    height: 80%;
    opacity: 0.25;
    animation-delay: 0.5s;
    border-color: var(--guardian-teal, #0d9488);
}

.protection-ring:nth-child(3) {
    width: 60%;
    height: 60%;
    opacity: 0.35;
    animation-delay: 1s;
}

.protection-ring:nth-child(4) {
    width: 40%;
    height: 40%;
    opacity: 0.5;
    animation-delay: 1.5s;
    border-color: var(--guardian-teal, #0d9488);
}

.protection-ring:nth-child(5) {
    width: 20%;
    height: 20%;
    opacity: 0.7;
    background: var(--deep-knowledge, #134e4a);
    animation-delay: 2s;
}

/* Hero content fade in */
.hero-content {
    animation: fadeInUp 1s ease-out forwards;
}

.hero-title {
    animation: fadeInUp 1s ease-out 0.2s forwards;
    opacity: 0;
}

.hero-subtitle {
    animation: fadeInUp 1s ease-out 0.4s forwards;
    opacity: 0;
}

.hero-cta {
    animation: fadeInUp 1s ease-out 0.6s forwards;
    opacity: 0;
}


/* ============================================
   CARD ANIMATIONS
   ============================================ */

.card-animated {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-animated:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(13, 148, 136, 0.15);
}

/* Card stagger on page load */
.cards-container .card-animated {
    animation: staggerReveal 0.6s ease-out forwards;
    opacity: 0;
}

.cards-container .card-animated:nth-child(1) { animation-delay: 0.1s; }
.cards-container .card-animated:nth-child(2) { animation-delay: 0.2s; }
.cards-container .card-animated:nth-child(3) { animation-delay: 0.3s; }
.cards-container .card-animated:nth-child(4) { animation-delay: 0.4s; }
.cards-container .card-animated:nth-child(5) { animation-delay: 0.5s; }
.cards-container .card-animated:nth-child(6) { animation-delay: 0.6s; }


/* ============================================
   BUTTON ANIMATIONS
   ============================================ */

.btn-animated {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-animated::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s ease;
}

.btn-animated:hover::before {
    left: 100%;
}

.btn-animated:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(13, 148, 136, 0.3);
}

.btn-animated:active {
    transform: translateY(0);
}


/* ============================================
   DATA PROTECTION VISUALIZATION
   ============================================ */

.data-flow-container {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.data-point {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--warm-amber, #f59e0b);
    animation: dataFlow 3s ease-in-out infinite;
}

.data-point:nth-child(1) { top: 20%; animation-delay: 0s; }
.data-point:nth-child(2) { top: 35%; animation-delay: 0.5s; }
.data-point:nth-child(3) { top: 50%; animation-delay: 1s; }
.data-point:nth-child(4) { top: 65%; animation-delay: 1.5s; }
.data-point:nth-child(5) { top: 80%; animation-delay: 2s; }

.data-point.protected {
    background: var(--nurture-green, #5eead4);
}


/* ============================================
   SCROLL-TRIGGERED ANIMATIONS
   ============================================ */

.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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


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

.icon-animated {
    transition: transform 0.3s ease;
}

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

.icon-shield {
    animation: protectionPulse 3s ease-in-out infinite;
}

.icon-spin {
    animation: gentleRotate 8s linear infinite;
}

.icon-float {
    animation: gentleFloat 4s ease-in-out infinite;
}


/* ============================================
   LOADING STATES
   ============================================ */

.loading-ring {
    display: inline-block;
    width: 48px;
    height: 48px;
    border: 3px solid var(--safe-cream, #f0fdfa);
    border-top-color: var(--guardian-teal, #0d9488);
    border-radius: 50%;
    animation: gentleRotate 1s linear infinite;
}

.loading-dots {
    display: flex;
    gap: 8px;
}

.loading-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--guardian-teal, #0d9488);
    animation: dotWave 1.4s ease-in-out infinite;
}

.loading-dot:nth-child(1) { animation-delay: 0s; }
.loading-dot:nth-child(2) { animation-delay: 0.2s; }
.loading-dot:nth-child(3) { animation-delay: 0.4s; }


/* ============================================
   PROTECTION BADGE ANIMATION
   ============================================ */

.protection-badge {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--guardian-teal, #0d9488);
    color: white;
    border-radius: 20px;
    overflow: hidden;
}

.protection-badge::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    animation: shieldShimmer 3s ease-in-out infinite;
    background-size: 200% 100%;
}


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

.stat-number {
    font-variant-numeric: tabular-nums;
    transition: transform 0.3s ease;
}

.stat-number:hover {
    transform: scale(1.1);
}

.stat-card {
    animation: fadeInScale 0.6s ease-out forwards;
    opacity: 0;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }


/* ============================================
   BACKGROUND ANIMATIONS
   ============================================ */

.bg-gradient-animated {
    background: linear-gradient(
        -45deg,
        var(--safe-cream, #f0fdfa),
        var(--nurture-green, #5eead4),
        var(--guardian-teal, #0d9488),
        var(--deep-knowledge, #134e4a)
    );
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

.bg-dots-pattern {
    background-image: radial-gradient(
        var(--guardian-teal, #0d9488) 1px,
        transparent 1px
    );
    background-size: 30px 30px;
    opacity: 0.1;
}

.bg-rings-pattern {
    background-image:
        radial-gradient(circle at center, transparent 30%, var(--nurture-green, #5eead4) 31%, transparent 32%),
        radial-gradient(circle at center, transparent 50%, var(--guardian-teal, #0d9488) 51%, transparent 52%),
        radial-gradient(circle at center, transparent 70%, var(--deep-knowledge, #134e4a) 71%, transparent 72%);
    background-size: 200px 200px;
    opacity: 0.1;
}


/* ============================================
   FORM ANIMATIONS
   ============================================ */

.form-input-animated {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input-animated:focus {
    border-color: var(--guardian-teal, #0d9488);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.form-label-animated {
    transition: transform 0.3s ease, color 0.3s ease;
}

.form-input-animated:focus + .form-label-animated,
.form-input-animated:not(:placeholder-shown) + .form-label-animated {
    transform: translateY(-20px) scale(0.85);
    color: var(--guardian-teal, #0d9488);
}


/* ============================================
   SUCCESS STATE ANIMATIONS
   ============================================ */

.success-checkmark {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: block;
    stroke-width: 3;
    stroke: var(--nurture-green, #5eead4);
    stroke-miterlimit: 10;
    box-shadow: inset 0 0 0 var(--nurture-green, #5eead4);
    animation: fadeInScale 0.4s ease-in-out forwards;
}

.success-checkmark .checkmark-path {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: securityCheck 0.6s cubic-bezier(0.65, 0, 0.45, 1) 0.4s forwards;
}


/* ============================================
   REDUCED MOTION SUPPORT
   ============================================ */

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