/* CloudSurf Landing Page — Dark theme, blue accent */

:root {
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-light: #60a5fa;
    --background: #0a0a0a;
    --card: #141414;
    --card-hover: #1a1a1a;
    --border: #262626;
    --foreground: #e5e5e5;
    --muted-foreground: #737373;
    --radius: 12px;
    --radius-sm: 8px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--foreground);
    background: var(--background);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 150ms ease;
}

a:hover {
    color: var(--accent-hover);
}

/* Nav */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--foreground);
    font-weight: 700;
    font-size: 1.125rem;
}

.nav-brand:hover {
    color: var(--foreground);
}

.nav-emblem {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links a {
    color: var(--muted-foreground);
    font-size: 0.875rem;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--foreground);
}

.nav-link {
    padding: 0.375rem 0.625rem;
    border-radius: var(--radius-sm);
    transition: background 150ms ease, color 150ms ease;
}

.nav-link:hover {
    background: var(--card);
    color: var(--foreground);
}

.nav-link-active {
    color: var(--foreground) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--foreground);
    border-radius: 1px;
    transition: transform 150ms ease;
}

.nav-cta {
    background: var(--accent);
    color: #fff !important;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
}

.nav-cta:hover {
    background: var(--accent-hover);
    color: #fff !important;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9375rem;
    line-height: 1;
    cursor: pointer;
    transition: all 150ms ease;
    min-height: 44px;
    border: none;
    text-decoration: none;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    color: #fff;
}

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

.btn-ghost:hover {
    background: var(--card);
    color: var(--foreground);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8125rem;
    min-height: 32px;
}

.btn-submit {
    width: 100%;
    margin-top: 8px;
}

.btn-danger {
    color: #ef4444;
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
}

/* Sections */
.section-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 96px 24px;
}

.section-headline {
    font-weight: 700;
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    line-height: 1.2;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    margin-bottom: 48px;
    max-width: 560px;
}

/* Hero */
.hero {
    padding-top: 52px;
    text-align: center;
}

.hero .section-inner {
    padding-top: 120px;
    padding-bottom: 80px;
}

.hero-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 28px;
}

.hero-emblem {
    width: 96px;
    height: 96px;
    border-radius: 18px;
}

.hero-brand-name {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--foreground);
}

.hero-headline {
    font-weight: 800;
    font-size: clamp(2.5rem, 6vw, 4rem);
    line-height: 1.05;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--muted-foreground);
    margin-bottom: 40px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Products */
.products-section {
    border-top: 1px solid var(--border);
}

.products-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.product-card {
    display: block;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    color: var(--foreground);
    text-decoration: none;
    transition: all 200ms ease;
}

.product-card:hover {
    background: var(--card-hover);
    border-color: var(--product-accent, var(--accent));
    color: var(--foreground);
    transform: translateY(-2px);
}

.product-icon {
    color: var(--product-accent, var(--accent));
    margin-bottom: 16px;
}

.product-emblem {
    border-radius: 8px;
    object-fit: contain;
}

.product-name {
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.product-tagline {
    font-size: 0.9375rem;
    color: var(--muted-foreground);
    line-height: 1.5;
    margin-bottom: 16px;
}

.product-link {
    font-size: 0.875rem;
    color: var(--product-accent, var(--accent));
    font-weight: 600;
}

/* About / Values */
.about-section {
    border-top: 1px solid var(--border);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.value-card {
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card);
}

.value-icon {
    color: var(--accent);
    margin-bottom: 16px;
}

.value-card h3 {
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.value-card p {
    font-size: 0.9375rem;
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* Contact Form */
.contact-section {
    border-top: 1px solid var(--border);
}

.contact-form {
    max-width: 640px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--foreground);
    font-family: inherit;
    font-size: 0.9375rem;
    line-height: 1.5;
    transition: border-color 150ms ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--muted-foreground);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-result {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9375rem;
}

.form-result.success {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.form-result.error {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Legal pages */
.legal-section {
    padding-top: 52px;
}

.legal-section .section-inner {
    padding-top: 100px;
}

.legal-updated {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    margin-bottom: 32px;
}

.legal-embed {
    margin-top: 24px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    background: #fff;
}

.legal-embed iframe {
    width: 100%;
    height: 80vh;
    border: none;
    display: block;
}

.legal-content {
    max-width: 720px;
}

.legal-content h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-top: 32px;
    margin-bottom: 12px;
}

.legal-content p {
    color: var(--muted-foreground);
    line-height: 1.7;
    margin-bottom: 16px;
}

.legal-content ul {
    color: var(--muted-foreground);
    line-height: 1.7;
    margin-bottom: 16px;
    padding-left: 24px;
}

.legal-content li {
    margin-bottom: 6px;
}

.legal-trademark {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 0.875rem;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    padding: 32px 0;
}

.footer-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

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

/* Admin Login */
.admin-login {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 120px);
    padding-top: 52px;
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.login-card h1 {
    font-size: 1.5rem;
    margin-bottom: 24px;
}

/* Stats Dashboard */
.stats-section {
    padding-top: 52px;
    border-bottom: 1px solid var(--border);
}

.stats-section .section-inner {
    padding-top: 80px;
    padding-bottom: 32px;
}

.stats-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.stats-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
}

.stats-mrr {
    font-size: 1.125rem;
    font-weight: 700;
    color: #22c55e;
}

.table-wrap {
    overflow-x: auto;
}

.stats-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.stats-table th {
    text-align: left;
    padding: 8px 16px;
    font-weight: 600;
    color: var(--muted-foreground);
    border-bottom: 1px solid var(--border);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stats-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.stats-table th.num,
.stats-table td.num {
    text-align: right;
}

.stats-table tbody tr:hover {
    background: var(--card);
}

.product-cell {
    font-weight: 700;
    white-space: nowrap;
}

.mrr-cell {
    color: #22c55e;
    font-weight: 600;
}

.highlights-cell {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.highlight-tag {
    display: inline-flex;
    gap: 4px;
    padding: 2px 8px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--muted-foreground);
    white-space: nowrap;
}

.highlight-tag strong {
    color: var(--foreground);
}

/* Inbox */
.inbox-section .section-inner {
    padding-top: 80px;
}

.stats-section + .inbox-section .section-inner {
    padding-top: 32px;
}

.inbox-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
}

.inbox-header h1 {
    font-size: 1.75rem;
}

.inbox-count {
    font-size: 0.875rem;
    color: var(--accent);
    font-weight: 600;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--accent);
    color: #fff;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 4px;
}

.empty-state {
    text-align: center;
    padding: 64px 24px;
    color: var(--muted-foreground);
}

.message-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message-row {
    padding: 20px 24px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: opacity 300ms ease;
}

.message-row.unread {
    border-left: 3px solid var(--accent);
}

.message-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
    font-size: 0.875rem;
}

.message-sender {
    font-weight: 700;
    color: var(--foreground);
}

.message-email {
    color: var(--muted-foreground);
}

.message-time {
    color: var(--muted-foreground);
    margin-left: auto;
}

.message-subject {
    font-weight: 600;
    margin-bottom: 4px;
}

.message-body {
    color: var(--muted-foreground);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 12px;
    white-space: pre-wrap;
}

.message-actions {
    display: flex;
    gap: 8px;
}

/* Config form (AI dashboard) */
.config-form {
    margin-top: 4px;
}

.config-row {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    flex-wrap: wrap;
}

.config-row .form-group {
    margin-bottom: 0;
    flex: 1;
    min-width: 180px;
}

.config-save {
    margin-bottom: 0;
    white-space: nowrap;
}

.form-select,
.form-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--foreground);
    font-family: inherit;
    font-size: 0.875rem;
    transition: border-color 150ms ease;
    appearance: none;
}

.form-select:focus,
.form-input:focus {
    outline: none;
    border-color: var(--accent);
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23737373' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

.label-hint {
    font-weight: 400;
    color: var(--muted-foreground);
    font-size: 0.75rem;
}

.provider-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: 4px;
    color: #22c55e;
    font-size: 0.8125rem;
    font-weight: 600;
}

.stats-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.nowrap {
    white-space: nowrap;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-headline {
        font-size: 2.25rem;
    }

    .hero .section-inner {
        padding-top: 100px;
        padding-bottom: 60px;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 4px;
        padding: 12px 24px;
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: 8px 10px;
    }

    .section-inner {
        padding: 64px 16px;
    }

    .footer-top {
        flex-direction: column;
        align-items: center;
    }

    .footer-inner {
        text-align: center;
    }

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

    .legal-embed iframe {
        height: 70vh;
    }

    .stats-table {
        font-size: 0.8125rem;
    }

    .stats-table th,
    .stats-table td {
        padding: 8px 10px;
    }

    .highlights-cell {
        min-width: 180px;
    }

    .inbox-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .message-meta {
        flex-direction: column;
        align-items: flex-start;
    }

    .message-time {
        margin-left: 0;
    }

    .message-actions {
        flex-wrap: wrap;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}