/* Modern, Premium Dark Theme Stylesheet for RSK Coming Soon website */

/* Custom CSS Properties / Design Tokens */
:root {
    --bg-dark: #07070a;
    --bg-card: rgba(15, 15, 25, 0.45);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(147, 51, 234, 0.4);
    
    /* Neon glow colors */
    --clr-primary: #9333ea;    /* Purple */
    --clr-secondary: #06b6d4;  /* Cyan */
    --clr-accent: #ec4899;     /* Pink */
    --clr-text-main: #f3f4f6;  /* Off white */
    --clr-text-muted: #9ca3af; /* Muted gray */
    
    /* Gradients */
    --gradient-text: linear-gradient(135deg, #f3f4f6 10%, #9ca3af 100%);
    --gradient-rainbow: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-secondary) 50%, var(--clr-accent) 100%);
    --gradient-btn: linear-gradient(135deg, #a855f7 0%, #06b6d4 100%);
    --gradient-btn-hover: linear-gradient(135deg, #c084fc 0%, #22d3ee 100%);
    
    /* Shadows & Effects */
    --shadow-glow: 0 0 30px rgba(147, 51, 234, 0.2);
    --shadow-glow-cyan: 0 0 30px rgba(6, 182, 212, 0.2);
    --glass-blur: blur(16px);
    
    /* Layout */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-accent: 'Syne', sans-serif;
}

/* Base resets & styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    min-height: 100vh;
    background-color: var(--bg-dark);
    color: var(--clr-text-main);
    font-family: var(--font-body);
    overflow-x: hidden;
    scroll-behavior: smooth;
    line-height: 1.6;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(147, 51, 234, 0.4);
}

/* Background Canvas */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    pointer-events: all; /* Enabled pointer events for interaction */
}

/* Glowing Background Blobs */
.glow-blob {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.18;
    z-index: -1;
    pointer-events: none;
    transition: all 1s ease-in-out;
}

.blob-1 {
    width: 45vw;
    height: 45vw;
    top: -10vw;
    right: -10vw;
    background: radial-gradient(circle, var(--clr-primary) 0%, transparent 70%);
    animation: float-blob-1 25s infinite alternate ease-in-out;
}

.blob-2 {
    width: 35vw;
    height: 35vw;
    bottom: -5vw;
    left: -10vw;
    background: radial-gradient(circle, var(--clr-secondary) 0%, transparent 70%);
    animation: float-blob-2 20s infinite alternate ease-in-out;
}

.blob-3 {
    width: 30vw;
    height: 30vw;
    top: 35%;
    left: 45%;
    background: radial-gradient(circle, var(--clr-accent) 0%, transparent 70%);
    animation: float-blob-3 30s infinite alternate ease-in-out;
}

@keyframes float-blob-1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-80px, 60px) scale(1.1); }
}

@keyframes float-blob-2 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(70px, -90px) scale(1.2); }
}

@keyframes float-blob-3 {
    0% { transform: translate(0, 0) scale(0.9); }
    100% { transform: translate(-50px, -50px) scale(1.1); }
}

/* Main Container Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.8rem;
    letter-spacing: 2px;
    background: linear-gradient(to right, #ffffff, #9ca3af);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

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

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    font-size: 0.85rem;
    font-family: var(--font-heading);
    font-weight: 500;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--clr-secondary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--clr-secondary);
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.5; box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.5); }
    70% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 6px rgba(6, 182, 212, 0); }
    100% { transform: scale(0.95); opacity: 0.5; box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
}

/* Hero Section */
.hero {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2.5rem auto;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(147, 51, 234, 0.1);
    border: 1px solid rgba(147, 51, 234, 0.2);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-family: var(--font-heading);
    font-weight: 600;
    color: #c084fc;
    margin-bottom: 1.5rem;
    box-shadow: 0 0 15px rgba(147, 51, 234, 0.05);
}

.badge-icon {
    font-size: 1rem;
}

.hero-title {
    font-family: var(--font-accent);
    font-weight: 800;
    font-size: clamp(2.2rem, 5vw, 4.2rem);
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
}

.text-gradient {
    background: var(--gradient-rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-flow 8s infinite alternate;
}

@keyframes gradient-flow {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(45deg); }
}

.hero-subtitle {
    font-size: clamp(0.95rem, 2vw, 1.15rem);
    color: var(--clr-text-muted);
    font-weight: 400;
    max-width: 650px;
    margin: 0 auto;
}

/* Countdown Section */
.countdown-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    width: 100%;
    max-width: 700px;
    margin: 0 auto 3.5rem auto;
}

.countdown-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow-glow);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.3s ease, box-shadow 0.3s ease;
    cursor: default;
}

.countdown-card:hover {
    transform: translateY(-5px) scale(1.03);
    border-color: var(--border-hover);
    box-shadow: 0 0 35px rgba(147, 51, 234, 0.35);
}

.countdown-val {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: clamp(1.8rem, 4vw, 3rem);
    background: linear-gradient(135deg, #ffffff 30%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 0.4rem;
}

.countdown-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--clr-text-muted);
    font-family: var(--font-heading);
    font-weight: 600;
}

/* Glass Panels & Cards */
.glass-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

/* Newsletter Section */
.newsletter-section {
    width: 100%;
    max-width: 650px;
    margin: 0 auto 4rem auto;
}

.newsletter-card {
    padding: 2.2rem;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.newsletter-card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    background: linear-gradient(to right, #fff, #e5e7eb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.newsletter-card p {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.subscribe-form {
    display: flex;
    gap: 0.75rem;
    width: 100%;
}

.input-wrapper {
    position: relative;
    flex-grow: 1;
}

.input-icon {
    position: absolute;
    left: 1.2rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.1rem;
    height: 1.1rem;
    color: var(--clr-text-muted);
    pointer-events: none;
    transition: color 0.3s ease;
}

.subscribe-form input {
    width: 100%;
    padding: 0.9rem 1rem 0.9rem 2.8rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    color: var(--clr-text-main);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.subscribe-form input:focus {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--clr-secondary);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.25);
}

.subscribe-form input:focus + .input-icon {
    color: var(--clr-secondary);
}

/* Button styles */
.btn {
    padding: 0.9rem 1.8rem;
    border-radius: 14px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: var(--gradient-btn);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(147, 51, 234, 0.25);
}

.btn-primary:hover {
    background: var(--gradient-btn-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(6, 182, 212, 0.4);
}

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

/* Form spinner */
.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.hidden {
    display: none !important;
}

/* Success Messages */
.form-message {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    margin-top: 1rem;
    font-size: 0.9rem;
    padding: 0.8rem;
    border-radius: 10px;
    animation: slide-up-msg 0.3s ease forwards;
}

.success-message {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.success-icon {
    width: 1.2rem;
    height: 1.2rem;
}

@keyframes slide-up-msg {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Teaser Grid Section */
.teasers-section {
    width: 100%;
    margin-bottom: 4.5rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    letter-spacing: -0.5px;
    color: var(--clr-text-main);
}

.teaser-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.2rem 1.8rem;
    position: relative;
    overflow: hidden;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), border-color 0.4s ease, box-shadow 0.4s ease;
}

.glass-card:hover {
    transform: translateY(-8px);
    border-color: rgba(6, 182, 212, 0.25);
    box-shadow: var(--shadow-glow-cyan);
}

/* Spotlight card glow overlay */
.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background: radial-gradient(350px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(147, 51, 234, 0.12), transparent 80%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.glass-card:hover .card-glow {
    opacity: 1;
}

.card-icon {
    width: 44px;
    height: 44px;
    background: rgba(147, 51, 234, 0.15);
    border: 1px solid rgba(147, 51, 234, 0.25);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #c084fc;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease, background 0.3s ease;
}

.glass-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(6, 182, 212, 0.2);
    border-color: rgba(6, 182, 212, 0.35);
    color: #22d3ee;
}

.card-icon svg {
    width: 22px;
    height: 22px;
}

.glass-card h4 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    position: relative;
    z-index: 1;
}

.glass-card p {
    color: var(--clr-text-muted);
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
    line-height: 1.5;
}

/* Footer Section */
.footer {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--clr-text-muted);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.social-icon svg {
    width: 18px;
    height: 18px;
}

.social-icon:hover {
    color: #ffffff;
    background: rgba(147, 51, 234, 0.15);
    border-color: var(--clr-primary);
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 5px 15px rgba(147, 51, 234, 0.3);
}

.copyright {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    font-family: var(--font-heading);
}

.author-link {
    color: var(--clr-text-main);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.author-link:hover {
    color: var(--clr-secondary);
    text-shadow: 0 0 8px rgba(6, 182, 212, 0.4);
}

/* Interactive Scatter Animation triggers */
.scatter-letter {
    display: inline-block;
    cursor: default;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), color 0.3s ease;
}

.scatter-letter:hover {
    color: var(--clr-secondary);
    transform: translateY(-8px) scale(1.15) rotate(10deg);
    text-shadow: 0 0 12px rgba(6, 182, 212, 0.6);
}

/* Animations for initial load */
.animate-fade-in {
    animation: fadeIn 1s ease forwards;
}

.animate-slide-up {
    opacity: 0;
    transform: translateY(25px);
    animation: slideUp 0.8s cubic-bezier(0.25, 1, 0.5, 1) forwards;
    animation-delay: calc(var(--delay, 1) * 0.12s);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(25px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Styles */
@media (max-width: 900px) {
    .teaser-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .teaser-grid {
        grid-template-columns: 1fr;
    }
    
    .countdown-section {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }
    
    .subscribe-form {
        flex-direction: column;
    }
    
    .header {
        flex-direction: column;
        gap: 1.2rem;
        margin-bottom: 2rem;
    }
    
    .container {
        padding: 1.5rem 1rem;
    }
}