/* CSS Variables & Theme */
:root {
    --bg-gradient-start: #080f1a;
    --bg-gradient-end: #0f1c30;
    --card-bg: rgba(15, 23, 42, 0.65);
    --card-border: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --btn-color: #2483d4;
    --btn-hover: #1d72bc;
    
    /* Animation easings */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-smooth: 0.3s var(--ease-out-expo);
    --transition-spring: 0.4s var(--ease-out-back);
}

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

body {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: radial-gradient(circle at center, var(--bg-gradient-end) 0%, var(--bg-gradient-start) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* Container */
.container {
    width: 100%;
    max-width: 410px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Card glassmorphism style */
.card {
    width: 100%;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 32px;
    padding: 48px 28px 36px 28px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    animation: fadeInCard 0.8s var(--ease-out-expo) forwards;
    opacity: 0;
    transform: translateY(20px);
}

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

/* Avatar styling */
.avatar-container {
    position: relative;
    width: 110px;
    height: 110px;
    margin: 0 auto 28px auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.avatar-glow {
    position: absolute;
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(36, 131, 212, 0.4) 0%, rgba(36, 131, 212, 0) 70%);
    filter: blur(4px);
    z-index: 1;
}

.avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    z-index: 2;
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.avatar-fallback {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, #1e293b, #0f172a);
    border: 2px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 28px;
    font-weight: 700;
    color: var(--btn-color);
    z-index: 2;
}

/* Typography */
.title {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    color: #ffffff;
}

.description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
    font-weight: 400;
}

.sub-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
    font-weight: 400;
}

/* Telegram Button */
.btn-telegram {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 18px 24px;
    background-color: var(--btn-color);
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    border-radius: 16px;
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-smooth), transform var(--transition-spring);
    box-shadow: 0 4px 18px rgba(36, 131, 212, 0.3);
    will-change: transform;
}

.btn-telegram:hover {
    background-color: var(--btn-hover);
    transform: scale(1.015);
}

.btn-telegram:active {
    transform: scale(0.985);
}

/* Secure Redirect Banner */
.secure-redirect {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 24px;
    font-size: 13px;
    color: #475569;
    font-weight: 500;
    gap: 6px;
}

.icon-check {
    width: 14px;
    height: 14px;
    color: #475569;
}

/* Footer link */
.footer-links {
    margin-top: 24px;
}

.privacy-link {
    font-size: 13px;
    color: #334155;
    text-decoration: none;
    transition: color var(--transition-smooth);
}

.privacy-link:hover {
    color: var(--text-secondary);
}

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-delay: 0s !important;
        animation-duration: 0s !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0s !important;
        scroll-behavior: auto !important;
    }
}