/* ===== LIQUID GLASS DESIGN SYSTEM ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Base Colors */
    --bg: #0a0a0f;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-bg-hover: rgba(255, 255, 255, 0.08);
    --glass-bg-strong: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-border-light: rgba(255, 255, 255, 0.18);
    --glass-shine: rgba(255, 255, 255, 0.25);

    /* Accent */
    --accent: #3b82f6;
    --accent-light: #60a5fa;
    --accent-glow: rgba(59, 130, 246, 0.5);

    /* Text */
    --text: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);

    /* Effects */
    --blur: 20px;
    --blur-heavy: 40px;
    --radius: 20px;
    --radius-sm: 12px;
    --radius-pill: 50px;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: none;
    /* Firefox */
    -ms-overflow-style: none;
    /* IE/Edge */
}

html::-webkit-scrollbar {
    display: none;
    /* Chrome, Safari, Opera */
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ===== ANIMATED GRADIENT BACKGROUND ===== */
.bg-gradient {
    position: fixed;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.gradient-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 20s ease-in-out infinite;
}

.sphere-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    top: -15%;
    right: -10%;
    animation-delay: 0s;
}

.sphere-2 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #06b6d4, #3b82f6);
    bottom: -20%;
    left: -10%;
    animation-delay: -5s;
}

.sphere-3 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #8b5cf6, #ec4899);
    top: 40%;
    left: 30%;
    opacity: 0.4;
    animation-delay: -10s;
}

.sphere-4 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, #10b981, #06b6d4);
    bottom: 30%;
    right: 20%;
    opacity: 0.35;
    animation-delay: -15s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(30px, -30px) scale(1.05);
    }

    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }

    75% {
        transform: translate(20px, 10px) scale(1.02);
    }
}

/* ===== GLASS COMPONENTS ===== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-heavy));
    -webkit-backdrop-filter: blur(var(--blur-heavy));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-shine), transparent);
    opacity: 0.6;
}

.glass-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.glass-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.glass-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.9rem 1.75rem;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.glass-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to bottom, var(--glass-shine), transparent);
    opacity: 0.3;
    pointer-events: none;
}

.glass-button:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-light);
    transform: translateY(-2px);
}

.glass-button.primary {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.4), rgba(139, 92, 246, 0.3));
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.25);
}

.glass-button.primary:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.5), rgba(139, 92, 246, 0.4));
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.35);
}

.glass-button.large {
    padding: 1.1rem 2.25rem;
    font-size: 1rem;
}

.glass-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.glass-button.ready {
    opacity: 1;
}

/* ===== DOCK NAVIGATION ===== */
.dock {
    position: fixed;
    top: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
}

.dock-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.75rem;
    background: var(--glass-bg-strong);
    backdrop-filter: blur(var(--blur-heavy));
    -webkit-backdrop-filter: blur(var(--blur-heavy));
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 var(--glass-shine);
}

.dock-item {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--glass-bg);
    border: 1px solid transparent;
    border-radius: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    text-decoration: none;
}

.dock-item:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border);
    color: var(--text);
}

.dock-brand {
    background: transparent;
}

.dock-logo {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.dock-download {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(139, 92, 246, 0.2));
    border-color: rgba(59, 130, 246, 0.3);
    color: var(--text);
}

.dock-download:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.4), rgba(139, 92, 246, 0.3));
}

.dock-divider {
    width: 1px;
    height: 28px;
    background: var(--glass-border);
    margin: 0 0.25rem;
}

.dock-tooltip {
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    padding: 0.4rem 0.75rem;
    background: var(--glass-bg-strong);
    backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    font-size: 0.75rem;
    color: var(--text);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
}

.dock-item:hover .dock-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
}

.hero-container {
    text-align: center;
    max-width: 600px;
}

.hero-logo-wrap {
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
}

.logo-glow {
    position: absolute;
    inset: -50px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(40px);
    opacity: 0.7;
    animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {

    0%,
    100% {
        opacity: 0.5;
        transform: scale(1);
    }

    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

.logo-card {
    width: 140px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.hero-logo {
    width: 90px;
    height: 90px;
    object-fit: contain;
    filter: drop-shadow(0 0 20px var(--accent-glow));
    animation: logo-float 5s ease-in-out infinite;
}

@keyframes logo-float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

.status-badge {
    margin-bottom: 1.5rem;
}

.status-dot {
    width: 6px;
    height: 6px;
    background: #4ade80;
    border-radius: 50%;
    box-shadow: 0 0 10px #4ade80;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.hero-title {
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
}

.title-pre {
    display: block;
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.title-main {
    display: block;
    font-size: clamp(3.5rem, 10vw, 5.5rem);
    line-height: 1;
}

.accent {
    color: var(--accent-light);
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.hero-meta {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* ===== SECTIONS ===== */
.section-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-tag {
    margin-bottom: 1rem;
    color: var(--accent-light);
    border-color: rgba(59, 130, 246, 0.3);
    background: rgba(59, 130, 246, 0.1);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ===== FEATURES ===== */
.features {
    position: relative;
    z-index: 1;
    padding: 6rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.feature-card {
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--glass-border-light);
    background: var(--glass-bg-hover);
}

.feature-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), var(--glass-bg));
    border-color: rgba(59, 130, 246, 0.25);
}

.feature-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    color: var(--accent-light);
    margin-bottom: 1.25rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.feature-badge {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.3rem 0.75rem;
    background: var(--accent);
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== ABOUT ===== */
.about {
    position: relative;
    z-index: 1;
    padding: 4rem 0 6rem;
}

.about-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding: 3rem;
    align-items: center;
}

.about-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin: 1rem 0;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* Code Window */
.code-window {
    padding: 0;
    overflow: hidden;
}

.code-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1.25rem;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--glass-border);
}

.window-dots {
    display: flex;
    gap: 6px;
}

.window-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.window-dots span:nth-child(1) {
    background: #ff5f57;
}

.window-dots span:nth-child(2) {
    background: #febc2e;
}

.window-dots span:nth-child(3) {
    background: #28c840;
}

.code-title {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.code-content {
    padding: 1.5rem;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.c-keyword {
    color: #c084fc;
}

.c-func {
    color: #60a5fa;
}

.c-string {
    color: #4ade80;
}

.c-comment {
    color: var(--text-muted);
    font-style: italic;
}

/* ===== CTA ===== */
.cta {
    position: relative;
    z-index: 1;
    padding: 6rem 2rem;
    text-align: center;
}

.cta-container h2 {
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.cta-container p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* ===== FOOTER ===== */
.footer {
    position: relative;
    z-index: 1;
    padding: 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 600;
}

.footer-brand img {
    width: 22px;
    height: 22px;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== MODAL ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    width: 90%;
    max-width: 520px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    transform: scale(0.95) translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 2rem 2rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--glass-border);
}

.modal-icon {
    width: 54px;
    height: 54px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--accent-light);
    border-color: rgba(59, 130, 246, 0.3);
    background: rgba(59, 130, 246, 0.1);
}

.modal-header h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.modal-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.modal-content {
    flex: 1;
    padding: 1.5rem 2rem;
    overflow-y: auto;
}

.license-text {
    font-family: inherit;
    font-size: 0.85rem;
    line-height: 1.75;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    padding: 1.5rem 2rem 2rem;
    border-top: 1px solid var(--glass-border);
}

.modal-actions .glass-button {
    flex: 1;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-card.featured {
        grid-column: span 1;
    }

    .about-card {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
    }
}

@media (max-width: 600px) {
    .dock-container {
        padding: 0.5rem 0.6rem;
        gap: 0.35rem;
    }

    .dock-item {
        width: 40px;
        height: 40px;
    }

    .dock-tooltip {
        display: none;
    }

    .hero {
        padding: 7rem 1.5rem 3rem;
    }

    .logo-card {
        width: 120px;
        height: 120px;
    }

    .hero-logo {
        width: 70px;
        height: 70px;
    }

    .hero-meta {
        flex-wrap: wrap;
    }

    .features,
    .about {
        padding: 4rem 0;
    }

    .section-container {
        padding: 0 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .footer-container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .modal {
        width: 95%;
        max-height: 90vh;
    }

    .modal-header,
    .modal-content,
    .modal-actions {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .modal-actions {
        flex-direction: column;
    }
}