/* ============================================================
   Robox.CO – site.css
   Design system: dark space theme, purple/violet accent
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* ─── Tokens ─────────────────────────────────────────────── */
:root {
    --bg: #F8FAFC;
    --surface: #FFFFFF;
    --surface2: #F1F5F9;
    --border: #E2E8F0;
    --accent: #4F46E5;
    --accent2: #4338CA;
    --accent-glow: rgba(79, 70, 229, 0.15);
    --text: #0F172A;
    --text-muted: #475569;
    --text-dim: #94A3B8;
    --success-bg: rgba(16, 185, 129, 0.1);
    --success-bd: rgba(16, 185, 129, 0.2);
    --success-tx: #047857;
    --error-bg: rgba(248, 113, 113, 0.1);
    --error-bd: rgba(248, 113, 113, 0.2);
    --error-tx: #B91C1C;
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.25rem;
    --shadow-glow: 0 10px 40px -10px rgba(0, 0, 0, 0.05);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
    font-weight: 300;
    background-color: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* ─── Nav ─────────────────────────────────────────────────── */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2.5rem;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.navbar-brand {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand span {
    color: var(--accent);
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.navbar-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 99px;
    transition: color .2s, background .2s;
}

.navbar-links a:hover,
.navbar-links a.active {
    color: var(--text);
    background: var(--surface2);
}

.navbar-links .nav-cta {
    color: #FFFFFF;
    background: #0F172A;
    padding: 0.55rem 1.25rem;
    border-radius: 99px;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.15);
    transition: background .2s, transform .2s, box-shadow .2s;
}

.navbar-links .nav-cta:hover {
    background: #1E293B;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.2);
}

/* ─── Page shell ─────────────────────────────────────────── */
.page-shell {
    width: min(1280px, calc(100% - 3rem));
    margin: 0 auto;
    padding: 2.5rem 0 6rem;
}

.hero {
    min-height: 88vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 5rem 0 4rem;
    position: relative;
    background: url('/images/bg.png') right center / 50% auto no-repeat;
}

.hero-text-content {
    max-width: 50%;
    position: relative;
    z-index: 10;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 999px;
    background: #FFFFFF;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 1.75rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent);
}

.hero h1 {
    font-family: 'Inter', sans-serif;
    font-size: clamp(3rem, 6vw, 6.5rem);
    font-weight: 300;
    line-height: 0.92;
    letter-spacing: 0.05em;
    color: #333333;
    text-shadow: 0px 4px 20px rgba(0, 0, 0, 0.05);
    margin-bottom: 1.75rem;
}

.hero h1 em {
    font-style: normal;
    background: linear-gradient(135deg, #a78bfa, #818cf8, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 1.2rem;
    color: var(--text-muted);
    line-height: 1.75;
    max-width: 600px;
    margin-bottom: 2.5rem;
}

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

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    border-radius: 99px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    border: none;
    transition: transform .2s, box-shadow .2s, background .2s;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: #0F172A;
    color: #FFFFFF;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.15);
}

.btn-primary:hover {
    background: #1E293B;
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.2);
}

.btn-ghost {
    background: #FFFFFF;
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: 0 2px 6px rgba(0,0,0,0.02);
}

.btn-ghost:hover {
    background: var(--surface2);
}

/* Existing class kept for compatibility */
.button-primary {
    background: #0F172A;
    color: #FFFFFF;
    border-radius: 99px;
    padding: 0.9rem 1.75rem;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    border: none;
    cursor: pointer;
    transition: transform .2s, box-shadow .2s;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.15);
}

.button-primary:hover {
    background: #1E293B;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.2);
}

/* ─── Sections ───────────────────────────────────────────── */
.section {
    margin-top: 6rem;
}

.section-label {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.section-title {
    font-family: 'Inter', sans-serif;
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text);
    line-height: 1.1;
    margin-bottom: 1rem;
}

.section-sub {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
    max-width: 560px;
}

/* ─── Glass card ─────────────────────────────────────────── */
.glass-card {
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: 0 4px 40px -4px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

/* ─── Feature cards ──────────────────────────────────────── */
.features-grid {
    display: grid;
    gap: 1.5rem;
}

.feature-card {
    padding: 2rem;
    background: #FFFFFF;
    border: 1px solid #F1F5F9;
    border-radius: var(--radius-md);
    transition: border-color .25s, transform .25s, box-shadow .25s;
    box-shadow: 0 2px 12px rgba(0,0,0,0.02);
}

.feature-card:hover {
    border-color: var(--border);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px -4px rgba(0,0,0,0.06);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--surface2);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

.feature-card h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.65;
}

/* ─── Stats bar ──────────────────────────────────────────── */
.stats-bar {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-value {
    font-family: 'Inter', sans-serif;
    font-size: 2rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.03em;
}

.stat-value span {
    color: var(--accent);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ─── Partner carousel (marquee) ─────────────────────────── */
.partners-section {
    margin-top: 6rem;
}

.partners-label {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 2.5rem;
}

.carousel-track-wrapper {
    overflow: hidden;
    position: relative;
    mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.carousel-track {
    display: flex;
    gap: 2rem;
    animation: marquee 28s linear infinite;
    width: max-content;
}

.carousel-track:hover {
    animation-play-state: paused;
}

@keyframes marquee {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }
}

.partner-logo-item {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    padding: 0.75rem 2rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    backdrop-filter: blur(12px);
    transition: border-color .25s, box-shadow .25s;
}

.partner-logo-item:hover {
    border-color: rgba(124, 58, 237, 0.4);
    box-shadow: 0 4px 24px rgba(124, 58, 237, 0.15);
}

.partner-logo-item img {
    max-height: 50px;
    max-width: 160px;
    width: auto;
    object-fit: contain;
    filter: brightness(0.9) grayscale(0.3);
    transition: filter .25s;
}

.partner-logo-item:hover img {
    filter: brightness(1) grayscale(0);
}

.partner-logo-item .partner-name {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 1rem;
    white-space: nowrap;
}

/* ─── Contact form ───────────────────────────────────────── */
.contact-grid {
    display: grid;
    gap: 2rem;
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.field-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.field-group input,
.field-group textarea,
.field-group select {
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    padding: 0.9rem 1.1rem;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color .2s, box-shadow .2s;
    width: 100%;
}

.field-group input:focus,
.field-group textarea:focus,
.field-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.field-group textarea {
    min-height: 160px;
    resize: vertical;
}

.field-row {
    display: grid;
    gap: 1.25rem;
}

/* ─── Alerts ─────────────────────────────────────────────── */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.alert-success {
    background: var(--success-bg);
    border: 1px solid var(--success-bd);
    color: var(--success-tx);
}

.alert-error {
    background: var(--error-bg);
    border: 1px solid var(--error-bd);
    color: var(--error-tx);
}

/* ─── Status badges ──────────────────────────────────────── */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-sent {
    background: rgba(16, 185, 129, 0.18);
    color: #a7f3d0;
}

.status-pending {
    background: rgba(59, 130, 246, 0.16);
    color: #bfdbfe;
}

.status-error {
    background: rgba(248, 113, 113, 0.18);
    color: #fecaca;
}

/* ─── Dashboard ──────────────────────────────────────────── */
.dash-shell {
    padding: 3rem 0 6rem;
    width: min(1280px, calc(100% - 3rem));
    margin: 0 auto;
}

.dash-header {
    margin-bottom: 2.5rem;
}

.dash-header h1 {
    font-family: 'Inter', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.dash-header p {
    color: var(--text-muted);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2rem;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: color .2s, border-color .2s;
    margin-bottom: -1px;
}

.tab-btn:hover {
    color: var(--text);
}

.tab-btn.active {
    color: var(--text);
    border-bottom-color: var(--accent);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table th {
    text-align: left;
    padding: 0.75rem 1rem;
    color: var(--text-dim);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
    color: var(--text);
}

.data-table tr:hover td {
    background: var(--surface2);
}

.msg-cell {
    max-width: 320px;
    white-space: pre-wrap;
    color: var(--text-muted);
    font-size: 0.88rem;
}

/* Settings form */
.settings-grid {
    display: grid;
    gap: 1.5rem;
    max-width: 600px;
}

.settings-section-title {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

/* Partners upload */
.logos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.logo-thumb {
    position: relative;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1rem;
    background: #FFFFFF;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    text-align: center;
}

.logo-thumb img {
    max-height: 60px;
    max-width: 130px;
    object-fit: contain;
}

.logo-thumb-name {
    font-size: 0.8rem;
    color: var(--text-muted);
    word-break: break-all;
}

.logo-delete-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    border-radius: 999px;
    background: rgba(248, 113, 113, 0.8);
    border: none;
    color: white;
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .2s;
}

.logo-delete-btn:hover {
    background: rgba(248, 113, 113, 1);
}

/* Upload zone */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    text-align: center;
    cursor: pointer;
    transition: border-color .2s, background .2s;
}

.upload-zone:hover {
    border-color: var(--accent);
    background: rgba(124, 58, 237, 0.05);
}

.upload-zone p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 0.75rem;
}

.upload-zone input[type=file] {
    display: none;
}

/* ─── Footer ─────────────────────────────────────────────── */
.footer {
    margin-top: 8rem;
    padding: 3rem 0 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.footer-brand {
    font-family: 'Inter', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
}

.footer-brand span {
    color: var(--accent);
}

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

/* ─── Animations (scroll reveal) ────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Robot parallax on scroll */
#scroll-robot {
    transition: transform 0.15s linear;
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (min-width: 768px) {
    .field-row {
        grid-template-columns: 1fr 1fr;
    }

    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1100px) {
    .hero-robot {
        display: none;
    }

    .hero-robot-glow {
        display: none;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem 1.25rem;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .glass-card {
        padding: 1.5rem;
    }

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

    .tabs {
        overflow-x: auto;
    }
}