/* ===========================
   遊戲級動畫特效模組
   =========================== */

/* ===========================
   擴展色彩變數
   =========================== */
:root {
    /* 遊戲風格色彩 */
    --game-gold: #fbbf24;
    --game-gold-glow: rgba(251, 191, 36, 0.6);
    --game-blue: #3b82f6;
    --game-blue-glow: rgba(59, 130, 246, 0.6);
    --game-purple: #8b5cf6;
    --game-purple-glow: rgba(139, 92, 246, 0.5);
    --game-cyan: #22d3ee;
    --game-cyan-glow: rgba(34, 211, 238, 0.5);
}

/* ===========================
   呼吸光暈效果
   =========================== */
@keyframes breathe-glow {

    0%,
    100% {
        box-shadow:
            0 0 5px var(--game-blue-glow),
            0 0 20px var(--game-blue-glow),
            0 0 40px rgba(59, 130, 246, 0.3);
    }

    50% {
        box-shadow:
            0 0 10px var(--game-blue-glow),
            0 0 30px var(--game-blue-glow),
            0 0 60px rgba(59, 130, 246, 0.4);
    }
}

@keyframes breathe-glow-gold {

    0%,
    100% {
        box-shadow:
            0 0 5px var(--game-gold-glow),
            0 0 20px var(--game-gold-glow),
            0 0 40px rgba(251, 191, 36, 0.3);
    }

    50% {
        box-shadow:
            0 0 10px var(--game-gold-glow),
            0 0 30px var(--game-gold-glow),
            0 0 60px rgba(251, 191, 36, 0.4);
    }
}

.glow-blue {
    animation: breathe-glow 3s ease-in-out infinite;
}

.glow-gold {
    animation: breathe-glow-gold 3s ease-in-out infinite;
}

/* ===========================
   浮動動畫
   =========================== */
@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes float-slow {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-15px) rotate(2deg);
    }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-float-slow {
    animation: float-slow 5s ease-in-out infinite;
}

/* ===========================
   打字機效果
   =========================== */
@keyframes typewriter {
    from {
        width: 0;
    }

    to {
        width: 100%;
    }
}

@keyframes blink-caret {

    0%,
    100% {
        border-color: transparent;
    }

    50% {
        border-color: var(--game-cyan);
    }
}

.typewriter {
    overflow: hidden;
    white-space: nowrap;
    border-right: 3px solid var(--game-cyan);
    animation:
        typewriter 3s steps(20, end) forwards,
        blink-caret 0.75s step-end infinite;
}

.typewriter.done {
    border-right: none;
}

/* ===========================
   漸入動畫
   =========================== */
@keyframes fade-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes fade-in-scale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slide-in-right {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-up {
    opacity: 0;
    animation: fade-up 0.8s ease-out forwards;
}

.fade-up-delay-1 {
    animation-delay: 0.2s;
}

.fade-up-delay-2 {
    animation-delay: 0.4s;
}

.fade-up-delay-3 {
    animation-delay: 0.6s;
}

.fade-up-delay-4 {
    animation-delay: 0.8s;
}

.fade-in-scale {
    opacity: 0;
    animation: fade-in-scale 0.6s ease-out forwards;
}

/* ===========================
   3D 翻轉卡片效果
   =========================== */
.card-3d {
    perspective: 1000px;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.card-3d:hover {
    transform: rotateY(5deg) rotateX(5deg) scale(1.02);
}

/* ===========================
   光波脈衝效果
   =========================== */
@keyframes pulse-ring {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }

    100% {
        transform: scale(2);
        opacity: 0;
    }
}

.pulse-ring::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border: 2px solid var(--game-blue);
    border-radius: inherit;
    transform: translate(-50%, -50%);
    animation: pulse-ring 2s ease-out infinite;
}

/* ===========================
   閃爍星星效果
   =========================== */
@keyframes twinkle {

    0%,
    100% {
        opacity: 0.3;
        transform: scale(0.8);
    }

    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

.star {
    animation: twinkle 2s ease-in-out infinite;
}

.star:nth-child(2n) {
    animation-delay: 0.3s;
}

.star:nth-child(3n) {
    animation-delay: 0.6s;
}

.star:nth-child(4n) {
    animation-delay: 0.9s;
}

/* ===========================
   發光按鈕
   =========================== */
.btn-glow {
    position: relative;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--game-blue), var(--game-purple));
    border: none;
    border-radius: 50px;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
    animation: breathe-glow 3s ease-in-out infinite;
}

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

.btn-glow:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow:
        0 10px 30px var(--game-blue-glow),
        0 0 50px rgba(59, 130, 246, 0.3);
}

/* ===========================
   Hero 區塊電影級樣式
   =========================== */
.hero-cinematic {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 16px;
    margin-bottom: 2rem;
    background: rgba(15, 23, 42, 0.3);
}

.hero-cinematic::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at center, transparent 0%, rgba(15, 23, 42, 0.7) 100%);
    pointer-events: none;
}

.particle-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 2rem;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid var(--game-blue);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--game-cyan);
    margin-bottom: 1.5rem;
    animation: fade-in-scale 0.6s ease-out forwards;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, var(--game-cyan) 50%, var(--game-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(34, 211, 238, 0.3);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    animation-delay: 0.5s;
}

.hero-cta {
    animation: fade-up 0.8s ease-out 1s forwards;
    opacity: 0;
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(to top, var(--bg-dark), transparent);
    pointer-events: none;
    z-index: 5;
}

/* ===========================
   升級版功能卡片
   =========================== */
.feature-card-enhanced {
    position: relative;
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    overflow: hidden;
}

.feature-card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(59, 130, 246, 0.1),
            transparent);
    transition: left 0.6s ease;
}

.feature-card-enhanced:hover::before {
    left: 100%;
}

.feature-card-enhanced:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--game-blue);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 30px rgba(59, 130, 246, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.feature-card-enhanced .feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    transition: transform 0.4s ease;
    display: inline-block;
}

.feature-card-enhanced:hover .feature-icon {
    transform: scale(1.2) rotate(5deg);
    filter: drop-shadow(0 0 20px var(--game-blue-glow));
}

.feature-card-enhanced h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.feature-card-enhanced p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ===========================
   滾動觸發動畫
   =========================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

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

/* ===========================
   響應式調整
   =========================== */
@media (max-width: 768px) {
    .hero-cinematic {
        min-height: 60vh;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .typewriter {
        white-space: normal;
        border-right: none;
        animation: fade-up 0.8s ease-out forwards;
    }

    .btn-glow {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
}