:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #0f0f1a;
    --bg-card: #13131f;
    --bg-hover: #1a1a2e;
    --border: rgba(255, 255, 255, 0.07);
    --border-focus: rgba(0, 255, 213, 0.4);
    --text-primary: #f0f0ff;
    --text-secondary: #8888aa;
    --text-muted: #555577;
    --accent: #00ffd5;
    --accent-dim: rgba(0, 255, 213, 0.12);
    --accent-glow: rgba(0, 255, 213, 0.25);
    --purple: #a78bfa;
    --purple-dim: rgba(167, 139, 250, 0.12);
    --orange: #f97316;
    --orange-dim: rgba(249, 115, 22, 0.12);
    --blue: #3b82f6;
    --blue-dim: rgba(59, 130, 246, 0.12);
    --pink: #ec4899;
    --pink-dim: rgba(236, 72, 153, 0.12);
    --green: #22c55e;
    --green-dim: rgba(34, 197, 94, 0.12);
    --yellow: #eab308;
    --yellow-dim: rgba(234, 179, 8, 0.12);
    --danger: #ef4444;
    --warning: #ffa726;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --touch-min: 44px;
    --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ── Layout ── */

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 80px 0;
}

/* ── Nav ── */

.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.nav-logo-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid rgba(0, 255, 213, 0.2);
    border-radius: 20px;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav-links a {
    display: inline-flex;
    align-items: center;
    min-height: var(--touch-min);
    padding: 0 14px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s var(--ease-out);
    border-radius: var(--radius-sm);
}

.nav-links a:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    min-height: var(--touch-min);
    padding: 0 20px;
    background: var(--accent);
    color: #0a0a0f;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: opacity 0.2s var(--ease-out);
}

.nav-cta:hover { opacity: 0.85; }

/* ── Hero ── */

.hero {
    padding: 120px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(0, 255, 213, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 24px;
    padding: 6px 16px;
    background: var(--accent-dim);
    border: 1px solid rgba(0, 255, 213, 0.2);
    border-radius: 20px;
    animation: fadeIn 0.6s var(--ease-out);
}

.hero-eyebrow-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #f0f0ff 0%, #a0a0cc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideUp 0.6s var(--ease-out) 0.1s both;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--accent) 0%, var(--purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(16px, 2.5vw, 20px);
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto 40px;
    animation: slideUp 0.6s var(--ease-out) 0.2s both;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    animation: slideUp 0.6s var(--ease-out) 0.3s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: var(--touch-min);
    padding: 0 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    font-family: var(--font);
}

.btn-primary {
    background: var(--accent);
    color: #0a0a0f;
}

.btn-primary:hover {
    opacity: 0.85;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: rgba(255, 255, 255, 0.15);
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-top: 64px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    animation: slideUp 0.6s var(--ease-out) 0.4s both;
    flex-wrap: wrap;
}

.hero-stat-value {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--accent);
}

.hero-stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ── Section Headers ── */

.section-header {
    margin-bottom: 48px;
}

.section-eyebrow {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.2;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 540px;
}

/* ── Project Cards ── */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: border-color 0.2s var(--ease-out), transform 0.2s var(--ease-out);
    animation: slideUp 0.5s var(--ease-out) both;
}

.project-card:hover {
    border-color: rgba(255, 255, 255, 0.14);
    transform: translateY(-2px);
}

.project-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.project-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.project-status {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    white-space: nowrap;
}

.status-open {
    background: var(--green-dim);
    color: var(--green);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.status-invite {
    background: var(--purple-dim);
    color: var(--purple);
    border: 1px solid rgba(167, 139, 250, 0.2);
}

.project-name {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
    margin-bottom: 4px;
}

.project-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.project-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.project-meta-row {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.meta-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    text-transform: uppercase;
    min-width: 80px;
    flex-shrink: 0;
    padding-top: 1px;
}

.meta-value {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.platform-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.platform-tag {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    background: var(--bg-secondary);
}

.platform-tag.ios { color: var(--blue); border-color: rgba(59, 130, 246, 0.25); background: var(--blue-dim); }
.platform-tag.android { color: var(--green); border-color: rgba(34, 197, 94, 0.25); background: var(--green-dim); }
.platform-tag.web { color: var(--accent); border-color: rgba(0, 255, 213, 0.25); background: var(--accent-dim); }
.platform-tag.cli { color: var(--orange); border-color: rgba(249, 115, 22, 0.25); background: var(--orange-dim); }
.platform-tag.macos { color: var(--purple); border-color: rgba(167, 139, 250, 0.25); background: var(--purple-dim); }
.platform-tag.docker { color: var(--blue); border-color: rgba(59, 130, 246, 0.25); background: var(--blue-dim); }

.project-icon.green { background: var(--green-dim); }
.project-icon.cyan { background: var(--accent-dim); }
.project-icon.purple { background: var(--purple-dim); }
.project-icon.orange { background: var(--orange-dim); }
.project-icon.blue { background: var(--blue-dim); }
.project-icon.yellow { background: var(--yellow-dim); }

.project-card-footer {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-sm {
    font-size: 13px;
    font-weight: 600;
    min-height: 44px;
    padding: 0 16px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: none;
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    font-family: var(--font);
}

.btn-sm.accent {
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid rgba(0, 255, 213, 0.2);
}

.btn-sm.accent:hover {
    background: rgba(0, 255, 213, 0.2);
}

.btn-sm.ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-sm.ghost:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ── Forms ── */

.form-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 720px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full { grid-column: 1 / -1; }

label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.3px;
}

label .required { color: var(--accent); margin-left: 2px; }

input[type="text"],
input[type="email"],
select,
textarea {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 11px 14px;
    font-size: 14px;
    color: var(--text-primary);
    font-family: var(--font);
    transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
    width: 100%;
    min-height: var(--touch-min);
}

input[type="text"]:focus,
input[type="email"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.5;
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238888aa' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

select option { background: var(--bg-card); }

.checkboxes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color 0.2s var(--ease-out), background 0.2s var(--ease-out);
    min-height: var(--touch-min);
}

.checkbox-item:hover {
    border-color: rgba(255, 255, 255, 0.14);
    background: var(--bg-hover);
}

.checkbox-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    min-height: unset;
    accent-color: var(--accent);
    flex-shrink: 0;
    cursor: pointer;
}

.checkbox-item span {
    font-size: 13px;
    color: var(--text-secondary);
    user-select: none;
}

.form-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.form-success {
    display: none;
    text-align: center;
    padding: 40px 24px;
}

.form-success-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--green-dim);
    border: 1px solid rgba(34, 197, 94, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 16px;
}

.form-success h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.form-success p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ── Bug Report ── */

.bug-channels {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 48px;
}

.bug-channel-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.bug-channel-icon {
    font-size: 24px;
    line-height: 1;
}

.bug-channel-title {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.2px;
}

.bug-channel-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.bug-channel-link {
    font-size: 13px;
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: auto;
}

.bug-channel-link:hover { text-decoration: underline; }

.severity-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.severity-option {
    display: none;
}

.severity-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    min-height: var(--touch-min);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s var(--ease-out);
    color: var(--text-secondary);
    user-select: none;
}

.severity-label:hover {
    border-color: rgba(255, 255, 255, 0.14);
    background: var(--bg-hover);
}

.severity-option:checked + .severity-label {
    border-color: var(--border-focus);
    background: var(--accent-dim);
    color: var(--accent);
}

.severity-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.severity-dot.low { background: var(--green); }
.severity-dot.medium { background: var(--yellow); }
.severity-dot.high { background: var(--orange); }
.severity-dot.critical { background: var(--danger); }

/* ── Community ── */

.community-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 48px;
}

.community-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all 0.2s var(--ease-out);
}

.community-card:hover {
    border-color: rgba(255, 255, 255, 0.14);
    transform: translateY(-2px);
}

.community-card-icon {
    font-size: 28px;
    line-height: 1;
}

.community-card-name {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.2px;
}

.community-card-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.community-card-cta {
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
    margin-top: auto;
}

.updates-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.update-item {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    animation: slideUp 0.4s var(--ease-out) both;
}

.update-item:last-child { border-bottom: none; }

.update-date {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 600;
    min-width: 80px;
    padding-top: 2px;
}

.update-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
    margin-top: 6px;
}

.update-content {}

.update-project {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.update-text {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ── Footer ── */

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 40px 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-copy {
    font-size: 13px;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.footer-links a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 12px;
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s var(--ease-out);
}

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

/* ── Divider ── */

.divider {
    height: 1px;
    background: var(--border);
    margin: 0;
}

/* ── Validation states ── */

input.invalid, textarea.invalid, select.invalid {
    border-color: rgba(239, 68, 68, 0.5);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.field-error {
    font-size: 12px;
    color: var(--danger);
    margin-top: 4px;
    display: none;
}

.field-error.visible { display: block; }

/* ── Toast ── */

.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    transform: translateY(80px);
    opacity: 0;
    transition: all 0.3s var(--ease-out);
    pointer-events: none;
    max-width: 360px;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    background: var(--green-dim);
    border: 1px solid rgba(34, 197, 94, 0.25);
    color: var(--green);
}

.toast.error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: var(--danger);
}

/* ── Responsive ── */

@media (max-width: 768px) {
    section { padding: 60px 0; }
    .hero { padding: 80px 0 60px; }
    .container { padding: 0 16px; }

    .nav-links { display: none; }

    .form-card { padding: 24px 20px; }
    .form-grid { grid-template-columns: 1fr; }
    .form-group.full { grid-column: 1; }

    .hero-stats { gap: 24px; }

    .footer-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
}