/* ==========================================================================
   Design System & Variables
   ========================================================================== */
:root {
    --bg-dark: #090c15;
    --bg-card: rgba(15, 22, 42, 0.45);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(99, 102, 241, 0.25);
    
    /* Core Colors */
    --color-primary: #6366f1; /* Indigo */
    --color-secondary: #a855f7; /* Purple */
    --color-accent: #14b8a6; /* Teal */
    --color-text-main: #f8fafc;
    --color-text-muted: #94a3b8;
    
    /* Font Family */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Glow sphere gradients */
    --gradient-glow-1: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(0,0,0,0) 70%);
    --gradient-glow-2: radial-gradient(circle, rgba(217, 70, 239, 0.12) 0%, rgba(0,0,0,0) 70%);
}

/* ==========================================================================
   Base Reset
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--color-text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
}

/* Canvas Particle Layer */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: all;
}

/* Ambient Glow Spheres */
.glow-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 1;
    pointer-events: none;
}

.glow-1 {
    top: 15%;
    left: 15%;
    width: 500px;
    height: 500px;
    background: var(--gradient-glow-1);
    animation: floatGlow 12s infinite ease-in-out alternate;
}

.glow-2 {
    bottom: 10%;
    right: 15%;
    width: 600px;
    height: 600px;
    background: var(--gradient-glow-2);
    animation: floatGlow 16s infinite ease-in-out alternate-reverse;
}

@keyframes floatGlow {
    0% {
        transform: translate(0, 0) scale(1);
    }
    100% {
        transform: translate(50px, -40px) scale(1.1);
    }
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 720px;
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) both;
}

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

/* ==========================================================================
   Header / Logo
   ========================================================================== */
.logo-area {
    display: flex;
    justify-content: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    user-select: none;
}

.logo-icon {
    font-size: 2.25rem;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.4));
    animation: spinSlow 20s infinite linear;
}

@keyframes spinSlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--color-text-main);
}

.logo-text span {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   Glassmorphic Main Card
   ========================================================================== */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    width: 100%;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5),
                inset 0 1px 1px rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: border-color 0.5s ease, box-shadow 0.5s ease;
}

.glass-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 25px 50px -12px rgba(99, 102, 241, 0.15),
                inset 0 1px 1px rgba(255, 255, 255, 0.15);
}

/* Badge component */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 9999px;
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: #a5b4fc;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 1.75rem;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(20, 184, 166, 0.7);
    animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(20, 184, 166, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 8px rgba(20, 184, 166, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(20, 184, 166, 0);
    }
}

/* Titles */
.main-title {
    font-family: var(--font-heading);
    font-size: 2.85rem;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -1px;
    margin-bottom: 1.25rem;
}

.gradient-text {
    background: linear-gradient(135deg, #a5b4fc 0%, var(--color-primary) 30%, var(--color-secondary) 70%, #f472b6 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.subtitle {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    max-width: 520px;
    margin-bottom: 2.5rem;
}

/* ==========================================================================
   Countdown Components
   ========================================================================== */
.countdown-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 2.5rem;
    width: 100%;
}

.countdown-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 80px;
}

.countdown-box .number {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--color-text-main);
    background: linear-gradient(180deg, #ffffff 30%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    line-height: 1;
}

.countdown-box .label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
}

.countdown-divider {
    font-size: 2rem;
    font-weight: 700;
    color: rgba(148, 163, 184, 0.4);
    align-self: flex-start;
    margin-top: 0.25rem;
}

/* ==========================================================================
   Progress Bar
   ========================================================================== */
.progress-container {
    width: 100%;
    max-width: 480px;
    margin-bottom: 2.5rem;
    text-align: left;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 999px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.progress-bar-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
    background-size: 300% 100%;
    position: relative;
    animation: barFillAnimation 3s ease-out forwards, gradientShift 6s linear infinite;
}

.progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    animation: progressShine 2s infinite linear;
}

@keyframes progressShine {
    from { transform: translateX(-100%); }
    to { transform: translateX(100%); }
}

@keyframes barFillAnimation {
    from { width: 0% !important; }
}

/* ==========================================================================
   Subscription Form
   ========================================================================== */
.subscription-form {
    width: 100%;
    max-width: 480px;
    position: relative;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 0.4rem;
    transition: all 0.3s ease;
}

.input-group:focus-within {
    border-color: rgba(99, 102, 241, 0.6);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.15);
    background: rgba(255, 255, 255, 0.05);
}

.input-icon {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-left: 0.95rem;
    transition: color 0.3s ease;
}

.input-group:focus-within .input-icon {
    color: var(--color-primary);
}

.subscription-form input[type="email"] {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-text-main);
    font-family: var(--font-body);
    font-size: 0.95rem;
    padding: 0.75rem 0.85rem;
}

.subscription-form input[type="email"]::placeholder {
    color: var(--color-text-muted);
}

.subscription-form button[type="submit"] {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #ffffff;
    border: none;
    outline: none;
    border-radius: 10px;
    padding: 0.75rem 1.4rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.subscription-form button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(99, 102, 241, 0.45);
    filter: brightness(1.08);
}

.subscription-form button[type="submit"]:active {
    transform: translateY(0);
}

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

.subscription-form button[type="submit"]:hover .button-icon {
    transform: translateX(3px);
}

/* Form Feedback & Messages */
.form-feedback {
    min-height: 20px;
    margin-top: 0.75rem;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(-5px);
    text-align: left;
    padding-left: 0.5rem;
}

.form-feedback.show {
    opacity: 1;
    transform: translateY(0);
}

.form-feedback.success {
    color: var(--color-accent);
}

.form-feedback.error {
    color: #f87171;
}

/* ==========================================================================
   Footer & Social Icons
   ========================================================================== */
.footer-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--color-text-muted);
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-btn:hover {
    color: var(--color-text-main);
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.copyright {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    letter-spacing: 0.5px;
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 768px) {
    .container {
        padding: 2rem 1.25rem;
        gap: 2rem;
    }
    
    .glass-card {
        padding: 2.5rem 1.5rem;
    }
    
    .main-title {
        font-size: 2.25rem;
    }
    
    .subtitle {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }
    
    .countdown-container {
        gap: 0.75rem;
    }
    
    .countdown-box {
        min-width: 65px;
    }
    
    .countdown-box .number {
        font-size: 2.15rem;
    }
    
    .countdown-divider {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 1.85rem;
    }
    
    .countdown-container {
        gap: 0.5rem;
    }
    
    .countdown-box {
        min-width: 55px;
    }
    
    .countdown-box .number {
        font-size: 1.75rem;
    }
    
    .countdown-box .label {
        font-size: 0.65rem;
        margin-top: 0.35rem;
    }
    
    .countdown-divider {
        font-size: 1.2rem;
        margin-top: 0.15rem;
    }
    
    .input-group {
        flex-direction: column;
        background: transparent;
        border: none;
        padding: 0;
        gap: 0.75rem;
    }
    
    .input-group:focus-within {
        box-shadow: none;
        background: transparent;
    }
    
    .input-group .input-icon {
        display: none;
    }
    
    .subscription-form input[type="email"] {
        width: 100%;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid var(--border-color);
        border-radius: 12px;
        padding: 0.85rem 1.25rem;
        text-align: center;
    }
    
    .subscription-form input[type="email"]:focus {
        border-color: rgba(99, 102, 241, 0.6);
        background: rgba(255, 255, 255, 0.05);
    }
    
    .subscription-form button[type="submit"] {
        width: 100%;
        justify-content: center;
        padding: 0.85rem 1.25rem;
        border-radius: 12px;
    }
    
    .form-feedback {
        text-align: center;
        padding-left: 0;
    }
}