/* ==========================================
   РАЗ И НАВСЕГДА — Спецэффекты
   WebGL-like визуальные эффекты на CSS
   ========================================== */

/* ==========================================
   NOISE OVERLAY — Текстура скорлупы
   ========================================== */

.noise {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ==========================================
   VIGNETTE — Эффект виньетки
   ========================================== */

.vignette {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
    background: radial-gradient(
        ellipse at center,
        transparent 50%,
        rgba(26, 26, 46, 0.3) 100%
    );
}

/* ==========================================
   CRACK PARTICLES — Частицы от трещин
   ========================================== */

.crack-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 100;
    overflow: hidden;
}

.crack-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--yolk-glow);
    border-radius: 50%;
    opacity: 0;
    box-shadow: 0 0 10px var(--yolk), 0 0 20px var(--raz-purple);
}

.crack-particle.active {
    animation: particle-rise 3s ease-out forwards;
}

@keyframes particle-rise {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-200px) scale(0);
    }
}

/* ==========================================
   GLOW EFFECT — Свечение сквозь трещины
   ========================================== */

.glow-through {
    position: relative;
}

.glow-through::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200%;
    height: 200%;
    transform: translate(-50%, -50%);
    background: radial-gradient(
        ellipse at center,
        var(--raz-glow) 0%,
        transparent 50%
    );
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.glow-through:hover::after {
    opacity: 1;
}

/* ==========================================
   SHELL TEXTURE — Текстура скорлупы
   ========================================== */

.shell-texture {
    position: relative;
}

.shell-texture::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.3) 0%, transparent 30%),
        radial-gradient(circle at 80% 70%, rgba(0,0,0,0.1) 0%, transparent 30%);
    pointer-events: none;
    z-index: 1;
}

/* ==========================================
   CRACKING ANIMATION — Анимация растрескивания
   ========================================== */

.crack-line {
    stroke: var(--shell-crack);
    stroke-width: 2;
    fill: none;
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    filter: drop-shadow(0 0 3px var(--raz-purple));
}

.cracking .crack-line {
    animation: crack-draw 1s ease-out forwards;
}

@keyframes crack-draw {
    to {
        stroke-dashoffset: 0;
    }
}

.crack-line--glow {
    stroke: var(--yolk-glow);
    stroke-width: 4;
    opacity: 0.5;
    filter: blur(3px);
}

/* ==========================================
   PARALLAX LAYERS — Параллакс слои
   ========================================== */

.parallax-container {
    perspective: 1000px;
    overflow: hidden;
}

.parallax-layer {
    transform-style: preserve-3d;
}

.parallax-layer--back {
    transform: translateZ(-200px) scale(1.2);
}

.parallax-layer--mid {
    transform: translateZ(-100px) scale(1.1);
}

.parallax-layer--front {
    transform: translateZ(0);
}

/* ==========================================
   HATCH STAGES — Стадии вылупления
   ========================================== */

/* Stage 0: Целое яйцо */
[data-hatch-stage="0"] {
    --crack-opacity: 0;
    --glow-intensity: 0.3;
    --shell-damage: 0;
}

/* Stage 1: Первые трещины */
[data-hatch-stage="1"] {
    --crack-opacity: 0.3;
    --glow-intensity: 0.5;
    --shell-damage: 0.2;
}

/* Stage 2: Больше трещин */
[data-hatch-stage="2"] {
    --crack-opacity: 0.6;
    --glow-intensity: 0.7;
    --shell-damage: 0.5;
}

/* Stage 3: Скорлупа ломается */
[data-hatch-stage="3"] {
    --crack-opacity: 0.9;
    --glow-intensity: 0.9;
    --shell-damage: 0.8;
}

/* Stage 4: Вылупление */
[data-hatch-stage="4"] {
    --crack-opacity: 1;
    --glow-intensity: 1;
    --shell-damage: 1;
}

/* ==========================================
   YOLK PULSE — Пульсация желтка
   ========================================== */

.yolk-pulse {
    animation: yolk-beat 4s ease-in-out infinite;
}

@keyframes yolk-beat {
    0%, 100% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

/* ==========================================
   LIGHT RAYS — Лучи света через трещины
   ========================================== */

.light-rays {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.light-ray {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 150%;
    background: linear-gradient(
        to top,
        transparent 0%,
        var(--yolk-glow) 50%,
        transparent 100%
    );
    transform-origin: center bottom;
    opacity: 0;
    filter: blur(2px);
}

.light-rays.active .light-ray {
    animation: ray-burst 2s ease-out forwards;
}

@keyframes ray-burst {
    0% {
        opacity: 0;
        transform: translateX(-50%) scaleY(0);
    }
    20% {
        opacity: 0.8;
        transform: translateX(-50%) scaleY(1);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) scaleY(1.5);
    }
}

/* ==========================================
   SHIMMER — Мерцание поверхности
   ========================================== */

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

.shimmer::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 40%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 60%
    );
    animation: shimmer-move 3s ease-in-out infinite;
}

@keyframes shimmer-move {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

/* ==========================================
   FLOATING ELEMENTS — Плавающие элементы
   ========================================== */

.float-gentle {
    animation: float-gentle 6s ease-in-out infinite;
}

@keyframes float-gentle {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    33% {
        transform: translateY(-10px) rotate(2deg);
    }
    66% {
        transform: translateY(5px) rotate(-1deg);
    }
}

/* ==========================================
   TEXT REVEAL — Появление текста
   ========================================== */

.text-reveal {
    overflow: hidden;
}

.text-reveal span {
    display: inline-block;
    transform: translateY(100%);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.text-reveal.visible span {
    transform: translateY(0);
}

/* Staggered reveal */
.text-reveal span:nth-child(1) { transition-delay: 0s; }
.text-reveal span:nth-child(2) { transition-delay: 0.1s; }
.text-reveal span:nth-child(3) { transition-delay: 0.2s; }
.text-reveal span:nth-child(4) { transition-delay: 0.3s; }
.text-reveal span:nth-child(5) { transition-delay: 0.4s; }

/* ==========================================
   RAZ APPEARANCE — Появление РАЗа
   ========================================== */

.raz-appear {
    position: relative;
}

.raz-appear::before {
    content: 'РАЗ';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: 10rem;
    color: var(--raz-purple);
    opacity: 0;
    pointer-events: none;
    z-index: -1;
    text-shadow: 0 0 100px var(--raz-glow);
    transition: opacity 1s ease;
}

.raz-appear.active::before {
    opacity: 0.1;
}

/* ==========================================
   GOLDEN RATIO GRID — Золотое сечение
   ========================================== */

.golden-grid {
    display: grid;
    grid-template-columns: 1fr 1.618fr;
    gap: var(--space-lg);
}

.golden-grid--reverse {
    grid-template-columns: 1.618fr 1fr;
}

@media (max-width: 768px) {
    .golden-grid,
    .golden-grid--reverse {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   SCROLL-TRIGGERED TRANSFORMS
   ========================================== */

.scroll-scale {
    transform: scale(0.9);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.scroll-rotate {
    transform: rotate(-5deg) translateY(50px);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ==========================================
   CURSOR EFFECTS — Эффекты курсора
   ========================================== */

.cursor-glow {
    cursor: none;
}

.cursor-glow-dot {
    position: fixed;
    width: 20px;
    height: 20px;
    background: radial-gradient(circle, var(--yolk-glow) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease;
    mix-blend-mode: screen;
}

/* ==========================================
   BREATHING — Эффект дыхания
   ========================================== */

.breathing {
    animation: breathe 4s ease-in-out infinite;
}

@keyframes breathe {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

/* ==========================================
   DISTORTION — Искажение при наведении
   ========================================== */

.distort-hover {
    transition: filter 0.3s ease;
}

.distort-hover:hover {
    filter: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='turbulence'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.01' numOctaves='2' result='noise'/%3E%3CfeDisplacementMap in='SourceGraphic' in2='noise' scale='5' xChannelSelector='R' yChannelSelector='G'/%3E%3C/filter%3E%3C/svg%3E#turbulence");
}

/* ==========================================
   PHASE TRANSITION — Фазовый переход
   ========================================== */

.phase-transition {
    position: relative;
}

.phase-transition::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        transparent 45%,
        var(--raz-glow) 50%,
        transparent 55%
    );
    background-size: 200% 200%;
    animation: phase-wave 3s ease-in-out infinite;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.phase-transition:hover::after {
    opacity: 1;
}

@keyframes phase-wave {
    0% {
        background-position: 200% 200%;
    }
    100% {
        background-position: -200% -200%;
    }
}