/* GNOME HIG Inspired Theme */

:root {
    /* Colors based on GNOME HIG */
    --bg-color: #241f31; /* Dark 4 */
    --bg-color-alt: #1e1e1e;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-bg-hover: rgba(255, 255, 255, 0.08);
    --card-border: rgba(255, 255, 255, 0.1);
    
    --text-color: #ffffff; /* Light 1 */
    --text-dim: #deddda; /* Light 3 */
    
    --accent-color: #00e5ff; /* Plumb Cyan Accent */
    --accent-color-hover: #33ebff; /* Plumb Cyan Lighter */
    
    --radius-small: 8px;
    --radius-medium: 12px;
    --radius-large: 24px;
    --radius-pill: 9999px;
    
    --features-bg: #26a269; /* Custom Darker Green for Dark Mode */
}

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

html {
    font-family: 'adwaita sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    scroll-behavior: smooth;
    line-height: 1.5;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3 {
    font-family: 'adwaita sans', sans-serif;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.5rem;
    font-weight: 900;
    font-variation-settings: "wght" 900;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 2.5rem;
    font-weight: 900;
    font-variation-settings: "wght" 900;
    margin-bottom: 2rem;
    text-align: center;
}

h3 {
    font-size: 1.5rem;
    font-variation-settings: "wght" 600;
    margin-bottom: 1rem;
}

p {
    font-size: 1.1rem;
    color: var(--text-dim);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.6rem;
    font-size: 1rem;
    font-variation-settings: "wght" 700;
    text-decoration: none;
    border-radius: var(--radius-pill);
    transition: padding 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn:hover {
    padding: 0.8rem 1.8rem; /* Expands the button, but text size stays the same */
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-download {
    /* Transparent aesthetic handles this now */
}

.btn-sponsor {
    /* Transparent aesthetic handles this now */
}


/* Layout */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

section {
    width: 100%;
    max-width: 1200px;
    padding: 6rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* HERO SECTION */
#hero {
    background: 
        radial-gradient(circle at 15% 0%, rgba(0, 229, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 85% 0%, rgba(0, 150, 255, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, #0a1b2e 0%, #041221 80%);
    width: 100vw;
    max-width: 100vw;
    height: 100vh;
    padding: 5rem 2rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    text-align: center;
    position: relative;
    overflow: hidden; /* So bubbles don't spill out */
}

/* BUBBLES ANIMATION */
.bubbles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.bubble {
    position: absolute;
    background-color: transparent;
    border: 3px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

.bubble:nth-child(1) { width: 40px; height: 40px; left: 15%; top: 25%; }
.bubble:nth-child(2) { width: 20px; height: 20px; left: 28%; top: 60%; }
.bubble:nth-child(3) { width: 50px; height: 50px; left: 10%; top: 75%; }
.bubble:nth-child(4) { width: 30px; height: 30px; right: 20%; top: 30%; }
.bubble:nth-child(5) { width: 60px; height: 60px; right: 12%; top: 65%; }
.bubble:nth-child(6) { width: 25px; height: 25px; right: 28%; top: 80%; }

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end; /* Push content to bottom so space is at top */
    max-width: 1400px;
    width: 100%;
    height: 100%;
}

.app-icon {
    width: 96px;
    height: 96px;
    margin-bottom: 1.5rem;
    padding: 12px;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-medium);
    /* Remove animation for the outlined icon */
}

.app-title {
    margin-bottom: 0.25rem;
}

.app-subtitle {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.5rem;
    align-items: center;
    justify-content: center;
}

.hero-image-container {
    width: 100%;
    max-width: 1400px;
    flex: 1;
    min-height: 0; /* Crucial for flex item to shrink */
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.hero-image-container picture {
    display: block;
    height: 100%;
    max-height: 100%;
    width: 100%;
    text-align: center;
}

.app-screenshot {
    width: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    object-position: bottom;
    border-radius: var(--radius-large) var(--radius-large) 0 0;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 -5px 20px rgba(0, 0, 0, 0.25));
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* MARQUEE SECTION */
#marquee {
    width: 100vw;
    max-width: 100vw;
    margin-top: 0;
    margin-bottom: 0;
    padding: 2rem 0;
    background-color: #f6f5f4; /* Light background for contrast in Dark Mode */
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.marquee-wrapper {
    display: flex;
    overflow: hidden;
    user-select: none;
    width: 100%;
}

.marquee-content {
    display: flex;
    flex-shrink: 0;
    width: max-content;
    animation: scroll 20s linear infinite;
    will-change: transform; /* Force hardware acceleration */
}

.feature-list {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    padding-right: 1.5rem; /* Matches gap */
}

.feature-list li {
    font-size: 1.1rem;
    font-variation-settings: "wght" 600;
    white-space: nowrap;
    color: #241f31; /* Dark text for light marquee */
    background: #ffffff; /* Solid white pills */
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

@keyframes scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); } /* Scrolls half of the flex container (which contains two identical lists) */
}

/* FEATURES SECTION */
#features {
    max-width: 100vw;
    padding-top: 4rem;
    padding-bottom: 4rem;
    padding-left: 0;
    padding-right: 0;
    background-color: var(--features-bg);
}

#features h2 {
    color: #ffffff;
}

.features-grid {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 4rem; /* More spacious */
    width: 100vw;
    margin-top: 1rem;
    padding-bottom: 2rem;
    scrollbar-width: none;
}

.features-grid::-webkit-scrollbar {
    display: none;
}

.feature-card {
    background: transparent;
    border: none;
    padding: 0 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 0 0 min(85vw, 600px);
}



.feature-card h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    font-variation-settings: "wght" 800;
    color: #ffffff;
}

.feature-card p {
    font-size: 1rem;
    margin-bottom: 2rem;
    padding: 0 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.card-image-wrapper {
    width: 100%;
    flex: 1; /* Take up remaining vertical space in the card */
    background: transparent;
    border: none;
    border-radius: var(--radius-medium);
    margin-bottom: 0;
    display: flex;
    align-items: center; /* Center horizontally/vertically */
    justify-content: center;
}

.card-image-wrapper picture {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

/* Specific styling to scale up the mini mode slightly */
.mini-mode-picture .card-visual {
    width: auto;
    transform: scale(1.25);
}

.card-visual {
    width: 100%;
    height: auto;
    max-width: 420px; /* Keep image smaller than card to maintain crispness */
    object-fit: contain;
    filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.4));
}

/* GET INVOLVED SECTION */
#get-involved {
    padding: 4rem 2rem;
    width: 100vw;
    max-width: 100vw;
    display: flex;
    justify-content: center;
    border-top: 1px solid var(--card-border);
}

.get-involved-container {
    max-width: 1400px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.get-involved-text h2 {
    text-align: left;
    margin-bottom: 1rem;
}

.get-involved-text p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.involvement-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn-involve {
    background-color: #ffffff;
    border: none;
    padding: 1.2rem;
    border-radius: var(--radius-pill);
    color: #241f31;
    text-align: center;
    text-decoration: none;
    font-weight: 700;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.btn-involve:hover {
    background-color: #deddda;
    transform: translateY(-2px);
}

.conduct-text {
    font-size: 0.95rem;
    color: var(--text-dim);
}

.conduct-text a {
    color: var(--accent-color);
    text-decoration: none;
}

.conduct-text a:hover {
    text-decoration: underline;
}

.get-involved-image img {
    width: 100%;
    object-fit: contain;
    filter: drop-shadow(0 12px 30px rgba(0, 0, 0, 0.4));
}

/* SUPPORT US SECTION */
#support-us {
    background: linear-gradient(135deg, #813d9c, #c061cb); /* GNOME Dark Pink (Purple 4) to Medium Pink (Purple 2) */
    padding: 4rem 2rem;
    text-align: center;
    width: 100vw;
    max-width: 100vw;
}

.support-content {
    max-width: 700px;
    margin: 0 auto;
}

.support-content h2 {
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.support-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.btn-donate {
    background-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border: none;
    padding: 1rem 3rem;
    font-size: 1.1rem;
    border-radius: var(--radius-pill);
    font-weight: 700;
    transition: background-color 0.2s ease, padding 0.2s ease;
    display: inline-block;
    text-decoration: none;
}

.btn-donate:hover {
    background-color: rgba(255, 255, 255, 0.3);
    padding: 1rem 3.2rem;
}

/* DONATE PAGE SPECIFIC */
#donate-hero {
    background: 
        radial-gradient(circle at 15% 0%, rgba(0, 229, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 85% 0%, rgba(0, 150, 255, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, #0a1b2e 0%, #041221 80%);
    padding: 8rem 2rem 6rem;
    width: 100vw;
    max-width: 100vw;
}

.donate-hero-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: left;
}

.back-link {
    display: inline-block;
    color: var(--text-dim);
    text-decoration: none;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    transition: color 0.2s ease;
}

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

.donate-hero-content h1 {
    color: #ffffff;
    font-weight: 900;
    font-variation-settings: "wght" 900;
    font-size: 2.5rem;
}

.donate-hero-content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
}

#donate-options {
    background-color: #9141ac; /* GNOME Purple 3 */
    padding: 6rem 2rem 8rem;
    text-align: left;
    width: 100vw;
    max-width: 100vw;
}

.donate-options-content {
    max-width: 1200px;
    margin: 0 auto;
}

.donate-options-content h2 {
    color: #ffffff;
    margin-bottom: 0.5rem;
    text-align: left;
}

.donate-subtitle {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 4rem;
    text-align: left;
}

.donate-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.donate-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-large);
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.donate-card h3 {
    color: #ffffff;
    font-size: 1.6rem;
}

.donate-card p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    margin-bottom: 2.5rem;
    flex-grow: 0;
}

.upi-pills {
    display: flex;
    gap: 0.8rem;
    margin-bottom: 2.5rem;
}

.pill {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    padding: 0.4rem 1.2rem;
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pill:hover {
    background: rgba(255, 255, 255, 0.3);
}

.pill-active {
    background: var(--accent-color);
}

.qr-container {
    background: #ffffff;
    padding: 1rem;
    border-radius: var(--radius-medium);
    margin-bottom: 2rem;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-code {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.donate-icon {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    color: #ffffff;
    min-height: 200px;
}

.btn-upi-id, .btn-kofi, .btn-github {
    width: 100%;
    padding: 1.2rem;
    border-radius: var(--radius-pill);
    font-weight: 700;
    text-decoration: none;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: auto;
}

.btn-upi-id {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

.btn-kofi, .btn-github {
    background: var(--accent-color);
    color: #ffffff;
}

.btn-upi-id:hover {
    background: rgba(255, 255, 255, 0.3);
}

.btn-kofi:hover, .btn-github:hover {
    background: var(--accent-color-hover);
}

/* FOOTER */
footer {
    background-color: var(--bg-color-alt);
    padding: 4rem 2rem 2rem;
    width: 100vw;
    max-width: 100vw;
}

.footer-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-columns {
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 4rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.footer-col h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.footer-col a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.footer-col a:hover {
    color: var(--text-color);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--card-border);
    padding-top: 2rem;
    width: 100%;
}

.footer-bottom p {
    font-size: 0.9rem;
    color: var(--text-dim);
}

/* Grid Pattern Background */
.grid-bg {
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 24px 24px;
    background-color: var(--bg-color-alt);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .action-buttons { flex-direction: column; width: 100%; }
    .btn { width: 100%; text-align: center; }
    .get-involved-container { grid-template-columns: 1fr; }
    .footer-columns { flex-direction: column; gap: 3rem; }
}

@media (prefers-color-scheme: light) {
    :root {
        --features-bg: #2ec27e; /* Standard GNOME Green 5 for Light Mode */
    }
    
    #marquee {
        background-color: #1e1e1e; /* Dark background for contrast in Light Mode */
    }
    
    .feature-list li {
        color: #ffffff;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    #hero, #donate-hero {
        background: linear-gradient(to bottom, #ffffff 0%, #cce4f7 100%);
        color: #023759;
    }
    
    #hero .btn {
        background-color: rgba(2, 55, 89, 0.05);
        color: #023759;
        border-color: rgba(2, 55, 89, 0.2);
    }
    
    #hero .btn:hover {
        background-color: rgba(2, 55, 89, 0.1);
        border-color: rgba(2, 55, 89, 0.3);
    }
    
    .bubble {
        background-color: transparent;
        border: 3px solid rgba(2, 55, 89, 0.1);
    }
    
    #donate-hero h1, #donate-hero p, #hero h1, #hero h2, #hero p {
        color: #023759;
    }
}