:root {
    --circle-navy: #1B3168;
    --circle-coral: #FF7F5C;
    --circle-light-coral: #FFE4DC;
}

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

body {
    font-family: 'Lexend Deca', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: #ffffff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Container controls layout */
.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;  /* Changed to space-between for better distribution */
    min-height: 100vh;
    /* More padding, especially on bottom for small screens */
    padding: clamp(16px, 4vh, 48px) clamp(12px, 4vw, 32px) clamp(24px, 5vh, 64px);
    text-align: center;
}

/* Animation keyframes */
@keyframes logoAnimation {
    0% {
        transform: scale(0) rotate(-180deg);
        opacity: 0;
    }
    100% {
        transform: scale(1) rotate(0);
        opacity: 1;
    }
}

@keyframes titleAnimation {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes fadeUpAnimation {
    0% {
        transform: translateY(20px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeInAnimation {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

/* Logo and title as a unit */
.logo-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 0;
}

.logo {
    height: auto;
    width: 350px;
    /* margin: 10px; */
    padding: 0;
    display: block;
    animation: logoAnimation 1s ease-out forwards;
    opacity: 0;
    /* Adding gentle drop shadow to logo */
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.08));
}

.app-title {
    font-family: 'Matemasie', sans-serif;
    font-size: clamp(55px, 10vw, 85px);  /* Increased size */
    color: #121761;
    line-height: 1;
    padding-bottom: clamp(20px, 5vh, 50px);
    animation: titleAnimation 1s ease-out 0.3s forwards;
    opacity: 0;
    /* Adding subtle text shadow */
    text-shadow: 2px 2px 3px rgba(18, 23, 97, 0.15);
}

/* Content group with balanced spacing */
.invite-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 90%;
    max-width: 500px;
    /* Increased gap between elements */
    gap: clamp(16px, 3.5vh, 32px);
    animation: fadeUpAnimation 0.8s ease-out 0.6s forwards;
    opacity: 0;
}

#invite-message {
    font-family: 'Fredoka', sans-serif;
    color: var(--circle-navy);
    /* Smaller text on small screens */
    font-size: clamp(20px, 5.5vw, 32px);
    line-height: 1.2;
    font-weight: 500;
    margin: 0;
    padding: clamp(4px, 1.5vh, 16px) 0;
}

button.connect-button {
    background-color: #fa7d47;
    color: white;
    border: none;
    border-radius: 100px;
    /* Narrower on small screens */
    width: clamp(180px, 80%, 360px);
    padding: clamp(10px, 2vh, 18px) clamp(16px, 3vw, 32px);
    font-family: 'Fredoka', sans-serif;
    font-size: clamp(16px, 4vw, 20px);
    font-weight: 550;
    cursor: pointer;
    transition: all 0.3s ease;
    /* Updating box shadow to be more subtle and elevated */
    box-shadow: 0 3px 8px rgba(250, 125, 71, 0.2), 0 1px 3px rgba(0, 0, 0, 0.1);
    animation: fadeUpAnimation 0.8s ease-out 0.9s forwards;
    opacity: 0;
    margin: clamp(4px, 1.5vh, 16px) 0;
    /* Remove default browser styling */
    outline: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;
}

button.connect-button:hover {
    background-color: #FF8561;  /* Lighter on hover */
    transform: translateY(-2px);
    /* Enhanced hover shadow but still gentle */
    box-shadow: 0 6px 12px rgba(250, 125, 71, 0.25), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Focus state for accessibility */
button.connect-button:focus-visible {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1), 0 0 0 3px rgba(255, 127, 92, 0.3);
}

/* Active/pressed state */
button.connect-button:active {
    background-color: #e56b3a;  /* Darker when pressed */
    transform: translateY(0px) scale(0.98);  /* Slightly smaller and reset vertical position */
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);  /* Reduced shadow for pressed effect */
    transition: all 0.1s ease;  /* Faster transition for immediate feedback */
}

/* Prevent double-tap zoom on mobile */
button.connect-button:active:hover {
    transform: translateY(0px) scale(0.98);
}

.divider {
    width: 85%;
    text-align: center;
    border-bottom: 1px solid #ddd;
    line-height: 0.1em;
    /* Tighter margins on small screens */
    margin: clamp(16px, 3vh, 32px) 0;
}

.divider span {
    background: #fff;
    padding: 0 clamp(6px, 2vw, 12px);
    color: #666;
    font-family: 'Lexend Deca', sans-serif;
    font-size: clamp(13px, 3vw, 16px);
}

.app-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 90%;
    gap: clamp(12px, 2.5vh, 24px);
    /* Added more padding at bottom */
    padding: clamp(8px, 2vh, 24px) 0 clamp(16px, 3vh, 32px);
}

.app-button {
    transition: transform 0.2s ease;
}

.app-button:hover {
    transform: scale(1.05);
}

.app-button img {
    /* Smaller on small screens */
    height: clamp(32px, 5vh, 42px);
    width: auto;
}

.app-button.ios img {
    padding: 2px;
}

.subtitle {
    font-family: 'Lexend Deca', sans-serif;
    color: #666;
    font-size: clamp(13px, 3vw, 16px);
    /* More margin, especially at bottom */
    margin: clamp(12px, 2.5vh, 24px) 0 clamp(20px, 4vh, 40px);
}

/* Mobile responsiveness */
@media screen and (max-width: 480px) {
    .container {
        padding: 1rem;
        min-height: 100vh;
        width: 100%;
    }

    .logo {
        width: 250px;
        margin-top: 10px;
        margin-bottom: 0px;
    }

    .app-title {
        font-size: clamp(60px, 8vw, 65px);  /* Responsive font size for mobile */
        margin-bottom: 20px;
    }

    #invite-message {
        font-size: 1.8rem;
        padding: 0 10px;
    }

    .subtitle {
        font-size: 0.9rem;
        padding: 0 15px;
    }

    button.connect-button {
        font-size: 18px;
        padding: 12px 30px;
        width: 90%;
        max-width: 300px;
        min-width: unset;
    }

    .app-button img {
        height: 45px;
    }

    .divider {
        width: 90%;
        margin-top: 15px auto;
        margin-bottom: 0px;
    }

    .app-buttons {
        width: 100%;
        padding: 0 20px;
    }
}

/* Small phone adjustments */
@media screen and (max-width: 380px) {
    .container {
        padding: 16px 12px 24px;  /* Tighter padding for small screens */
    }

    .logo {
        width: 200px;  /* Slightly smaller logo */
    }

    .app-title {
        font-size: clamp(50px, 7vw, 55px);  /* Smaller but still proportional */
        padding-bottom: 24px;
    }

    #invite-message {
        font-size: 22px;  /* Smaller fixed size */
        padding: 4px 8px;
    }

    button.connect-button {
        width: 85%;
        padding: 12px 24px;
        font-size: 18px;
    }

    .app-buttons {
        width: 100%;
    }

    .app-button img {
        height: 50px;
    }

    .subtitle {
        font-size: 13px;
        margin: 12px 0 20px;
    }
}

/* Privacy policy link - very small and discrete for compliance */
.privacy-link {
    position: fixed;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
}

.privacy-link a {
    font-family: 'Lexend Deca', sans-serif;
    font-size: 10px;
    color: #999;
    text-decoration: none;
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

.privacy-link a:hover {
    opacity: 0.8;
    text-decoration: underline;
}