:root {
    --bg: #050817;
    --bg-gradient: radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.35), transparent 55%),
        radial-gradient(circle at 80% 10%, rgba(236, 72, 153, 0.3), transparent 50%),
        linear-gradient(180deg, #050817 0%, #0b1229 45%, #0b1120 100%);
    --surface: rgba(15, 23, 42, 0.8);
    --surface-strong: rgba(15, 23, 42, 0.95);
    --border: rgba(148, 163, 184, 0.25);
    --border-strong: rgba(148, 163, 184, 0.35);
    --text-primary: #f8fafc;
    --text-secondary: #cbd5f5;
    --accent: #38bdf8;
    --accent-strong: #22d3ee;
    --accent-soft: rgba(56, 189, 248, 0.18);
    --success: #34d399;
    --warning: #fbbf24;
    --shadow-soft: 0 20px 45px rgba(15, 23, 42, 0.45);
    --shadow-strong: 0 30px 70px rgba(15, 23, 42, 0.65);
    --radius-sm: 14px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --space-sm: 0.75rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 5rem;
    --font-body: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: var(--font-body);
    background: var(--bg-gradient);
    color: var(--text-primary);
    line-height: 1.65;
}

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

a:hover,
a:focus-visible {
    color: var(--accent-strong);
}

img {
    max-width: 100%;
    display: block;
}

header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(5, 8, 23, 0.9);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.03em;
}

.brand img {
    height: 48px;
    width: auto;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.45);
}

.nav-links {
    list-style: none;
    margin: 0 0 0 auto;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    color: var(--text-secondary);
    font-weight: 500;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--text-primary);
    background: rgba(148, 163, 184, 0.2);
    transform: translateY(-1px);
}

.nav-links a.active {
    background: var(--accent-soft);
    color: var(--text-primary);
    box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.35);
}

.nav-search {
    position: relative;
}

#search-bar {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text-primary);
    padding: 0.5rem 0.9rem;
    font-size: 0.9rem;
    min-width: 200px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#search-bar::placeholder {
    color: rgba(226, 232, 240, 0.65);
}

#search-bar:focus {
    outline: none;
    border-color: rgba(56, 189, 248, 0.6);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

#suggestions {
    list-style: none;
    padding: 0;
    margin: 0;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: var(--surface-strong);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    display: none;
}

#suggestions.show {
    display: block;
}

#suggestions li {
    padding: 0.75rem 1rem;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

#suggestions li:last-child {
    border-bottom: none;
}

#suggestions li:hover,
#suggestions li:focus-visible {
    background: rgba(59, 130, 246, 0.25);
    color: var(--text-primary);
}

main {
    flex: 1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-lg) 1.5rem;
}

.hero {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3rem;
    align-items: center;
}

.hero-visual {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    align-items: flex-start;
}

.product-icon {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 1rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
}

.product-icon img {
    display: block;
    width: 150px;
    height: auto;
    max-width: 100%;
}

.hero-copy {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.18);
    color: var(--text-secondary);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.22em;
}

.hero h1 {
    font-size: clamp(2.4rem, 4vw, 3.4rem);
    margin: 0;
    line-height: 1.1;
    color: var(--text-primary);
}

.hero p {
    color: rgba(226, 232, 240, 0.85);
    margin: 0;
    font-size: 1.05rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.75rem 1.5rem;
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button.primary {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.9), rgba(14, 165, 233, 0.85));
    color: var(--text-primary);
    box-shadow: 0 18px 35px rgba(56, 189, 248, 0.25);
}

.button.primary:hover,
.button.primary:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 22px 40px rgba(14, 165, 233, 0.35);
}

.button.secondary {
    background: rgba(148, 163, 184, 0.18);
    color: var(--text-primary);
    border: 1px solid rgba(148, 163, 184, 0.25);
}

.button.secondary:hover,
.button.secondary:focus-visible {
    transform: translateY(-2px);
    background: rgba(148, 163, 184, 0.25);
}

.hero-panels {
    display: grid;
    gap: 1.5rem;
}

.panel {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border);
}

.panel h2 {
    margin: 0 0 0.5rem;
    font-size: 1.35rem;
}

.panel p {
    margin: 0 0 0.75rem;
    color: rgba(226, 232, 240, 0.8);
}

.tag-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    font-size: 0.75rem;
    letter-spacing: 0.02em;
    background: rgba(56, 189, 248, 0.16);
    color: var(--accent-strong);
}

.section {
    padding-top: var(--space-xl);
}

.section-header {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 780px;
    margin-bottom: 2.5rem;
}

.section-title {
    margin: 0;
    font-size: clamp(2rem, 3.2vw, 2.6rem);
    color: var(--text-primary);
}

.section-subtitle {
    margin: 0;
    color: rgba(226, 232, 240, 0.75);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.75rem;
}

.card {
    background: rgba(15, 23, 42, 0.72);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: transform 0.25s ease, border 0.25s ease, box-shadow 0.25s ease;
}

.card:hover,
.card:focus-within {
    transform: translateY(-6px);
    border-color: rgba(56, 189, 248, 0.45);
    box-shadow: 0 28px 65px rgba(15, 23, 42, 0.6);
}

.card h3 {
    margin: 0;
    font-size: 1.2rem;
}

.card p {
    margin: 0;
    color: rgba(226, 232, 240, 0.8);
}

.card .meta {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: rgba(94, 234, 212, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.timeline {
    display: grid;
    gap: 1.5rem;
}

.timeline-item {
    position: relative;
    padding-left: 2.5rem;
    border-left: 2px solid rgba(56, 189, 248, 0.25);
}

.timeline-date {
    position: absolute;
    left: -0.95rem;
    top: 0.35rem;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background: rgba(56, 189, 248, 0.25);
    border: 1px solid rgba(56, 189, 248, 0.45);
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.45);
}

.timeline-item h3 {
    margin: 0 0 0.35rem;
    font-size: 1.1rem;
}

.timeline-item time {
    display: inline-block;
    font-size: 0.82rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(148, 163, 184, 0.8);
    margin-bottom: 0.5rem;
}

.timeline-item p {
    margin: 0;
    color: rgba(226, 232, 240, 0.78);
}

.callout {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(129, 140, 248, 0.15));
    border-top: 1px solid rgba(148, 163, 184, 0.2);
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.callout-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    text-align: center;
}

.callout h2 {
    margin: 0;
    font-size: clamp(1.8rem, 3vw, 2.3rem);
}

.callout p {
    margin: 0;
    max-width: 720px;
    color: rgba(226, 232, 240, 0.85);
}

footer {
    margin-top: auto;
    padding: 2rem 1.5rem;
    background: rgba(5, 8, 23, 0.92);
    border-top: 1px solid var(--border);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: rgba(148, 163, 184, 0.9);
}

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

.footer-links a {
    color: rgba(148, 163, 184, 0.8);
    font-size: 0.85rem;
}

.footer-links a:hover,
.footer-links a:focus-visible {
    color: var(--text-primary);
}

.donate-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.2rem;
    background: rgba(241, 191, 76, 0.18);
    color: #fbbf24;
    border: 1px solid rgba(251, 191, 36, 0.5);
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    position: fixed;
    bottom: 24px;
    right: 24px;
    box-shadow: 0 18px 35px rgba(14, 116, 144, 0.35);
}

.donate-button:hover,
.donate-button:focus-visible {
    background: rgba(251, 191, 36, 0.35);
    color: #fef3c7;
}

blockquote {
    margin: 0;
    padding: 1.5rem 1.75rem;
    border-left: 3px solid rgba(56, 189, 248, 0.45);
    background: rgba(15, 23, 42, 0.65);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: rgba(226, 232, 240, 0.85);
}

ul.feature-list {
    list-style: none;
    margin: 1rem 0;
    padding: 0;
    display: grid;
    gap: 0.85rem;
}

ul.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    color: rgba(226, 232, 240, 0.85);
}

ul.feature-list li::before {
    content: "";
    margin-top: 0.45rem;
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: rgba(56, 189, 248, 0.55);
    box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.15);
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(15, 23, 42, 0.65);
    border-radius: var(--radius-md);
    overflow: hidden;
}

table.data-table th,
table.data-table td {
    padding: 0.85rem 1rem;
    text-align: left;
}

table.data-table thead {
    background: rgba(56, 189, 248, 0.16);
    color: var(--text-primary);
}

table.data-table tbody tr {
    border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

table.data-table tbody tr:last-child {
    border-bottom: none;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    background: rgba(129, 140, 248, 0.2);
    color: #c7d2fe;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.grid-two {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.highlight {
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

@media (max-width: 1024px) {
    nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-links {
        justify-content: center;
    }

    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-copy {
        align-items: center;
    }

    .hero-visual {
        width: 100%;
        align-items: center;
    }

    .product-icon {
        width: 100%;
        display: flex;
        justify-content: center;
    }

    .product-icon img {
        width: 120px;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-panels {
        max-width: 520px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 1rem 1rem;
        gap: 1rem;
    }

    .nav-links {
        gap: 0.2rem;
    }

    #search-bar {
        min-width: 160px;
    }

    .container {
        padding: var(--space-lg) 1rem;
    }

    .callout-content {
        padding: 0 0.5rem;
    }
}

@media (max-width: 560px) {
    header {
        position: static;
    }

    .nav-links {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
    }

    .nav-links a {
        width: 100%;
        justify-content: center;
    }

    .nav-search {
        width: 100%;
    }

    #search-bar {
        width: 100%;
    }

    .donate-button {
        position: static;
        margin: 2rem auto 0;
        display: inline-flex;
    }
}