:root {
    --primary-color: #FF6B35;
    --secondary-color: #F7931E;
    --accent-color: #4ECDC4;
    --dark-color: #2C3E50;
    --light-color: #F5F7FA;
    --gradient: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Kanit', 'Prompt', sans-serif;
    background-color: var(--light-color);
    color: var(--dark-color);
    overflow-x: hidden;
    line-height: 1.6;
}

.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #FF6B3510, #F7931E10, #4ECDC410);
    z-index: -1;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background: linear-gradient(45deg, #FF6B3510, #F7931E10, #4ECDC410); }
    33% { background: linear-gradient(45deg, #F7931E10, #4ECDC410, #FF6B3510); }
    66% { background: linear-gradient(45deg, #4ECDC410, #FF6B3510, #F7931E10); }
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.language-switcher {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    padding: 0.5rem 1rem;
    border: 2px solid var(--primary-color);
    background: white;
    color: var(--primary-color);
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.lang-btn:hover {
    transform: scale(1.05);
}

.lang-btn.active {
    background: var(--primary-color);
    color: white;
}

.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem 2rem;
    position: relative;
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-highlight {
    color: var(--primary-color);
    font-size: 1.2em;
    text-shadow: 0 0 30px rgba(255, 107, 53, 0.5);
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.9; }
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    color: #666;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.countdown-container {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    display: inline-block;
    animation: fadeInUp 1s ease 0.4s both;
    margin-bottom: 3rem;
}

.countdown-container h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #666;
}

.countdown {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.countdown-item {
    text-align: center;
}

.countdown-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.countdown-label {
    font-size: 0.9rem;
    color: #666;
    margin-top: 0.5rem;
}

.floating-items {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.floating-item {
    position: absolute;
    font-size: 2.5rem;
    opacity: 0.25;
}

.item-1 { top: 5%; left: 5%; animation: float 18s 0s infinite ease-in-out; }
.item-2 { top: 15%; right: 10%; animation: float 22s 1s infinite ease-in-out; }
.item-3 { bottom: 25%; left: 18%; animation: float 20s 2s infinite ease-in-out; }
.item-4 { top: 42%; right: 5%; animation: float 24s 3s infinite ease-in-out; }
.item-5 { bottom: 12%; right: 25%; animation: float 19s 4s infinite ease-in-out; }
.item-6 { top: 8%; left: 42%; animation: float 21s 5s infinite ease-in-out; }
.item-7 { bottom: 38%; left: 3%; animation: float 23s 6s infinite ease-in-out; }
.item-8 { top: 62%; right: 38%; animation: float 20s 7s infinite ease-in-out; }
.item-9 { top: 2%; right: 30%; animation: float 25s 0.5s infinite ease-in-out; }
.item-10 { bottom: 5%; left: 38%; animation: float 18s 1.5s infinite ease-in-out; }
.item-11 { top: 28%; left: 8%; animation: float 22s 2.5s infinite ease-in-out; }
.item-12 { bottom: 42%; right: 2%; animation: float 19s 3.5s infinite ease-in-out; }
.item-13 { top: 52%; left: 45%; animation: float 24s 4.5s infinite ease-in-out; }
.item-14 { bottom: 15%; left: 58%; animation: float 21s 5.5s infinite ease-in-out; }
.item-15 { top: 22%; right: 20%; animation: float 23s 6.5s infinite ease-in-out; }
.item-16 { bottom: 48%; right: 45%; animation: float 20s 7.5s infinite ease-in-out; }
.item-17 { top: 38%; right: 18%; animation: float 18s 8s infinite ease-in-out; }
.item-18 { bottom: 30%; left: 28%; animation: float 25s 8.5s infinite ease-in-out; }
.item-19 { top: 18%; left: 60%; animation: float 22s 9s infinite ease-in-out; }
.item-20 { bottom: 8%; right: 48%; animation: float 19s 9.5s infinite ease-in-out; }
.item-21 { top: 72%; left: 15%; animation: float 24s 10s infinite ease-in-out; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(10deg); }
    66% { transform: translateY(20px) rotate(-10deg); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.features {
    padding: 3rem 2rem 5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.feature-card p {
    color: #666;
    font-size: 0.95rem;
}

.notify-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    animation: fadeInUp 1s ease 0.6s both;
}

.notify-content h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.notify-content p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: #666;
}

.notify-form {
    display: flex;
    gap: 1rem;
    max-width: 400px;
    margin: 0 auto;
}

.notify-form input {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-family: inherit;
}

.notify-form button {
    padding: 1rem 2rem;
    background: var(--gradient);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    white-space: nowrap;
}

.notify-form button:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.form-message {
    margin-top: 1rem;
    font-size: 0.9rem;
    height: 1.5rem;
}

footer {
    background: var(--dark-color);
    color: white;
    text-align: center;
    padding: 2rem;
}

@media (max-width: 768px) {
    .countdown {
        gap: 1rem;
    }
    
    .countdown-number {
        font-size: 2rem;
    }
    
    .notify-form {
        flex-direction: column;
    }
    
    .notify-form button {
        width: 100%;
    }
    
    .floating-item {
        font-size: 2rem;
    }
}