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

:root {
    --bg:        #08080f;
    --surface:   #111118;
    --surface2:  #16161f;
    --border:    #1f1f2e;
    --border2:   #2a2a3a;
    --accent:    #4f9cf9;
    --accent2:   #a78bfa;
    --green:     #34d399;
    --text:      #f1f5f9;
    --text-sub:  #94a3b8;
    --text-muted:#475569;
    --radius:    16px;
    --radius-sm: 10px;
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Gradient text ─────────────────────────────────────────────────────────── */
.gradient-text {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    white-space: nowrap;
    box-shadow: 0 0 32px rgba(79,156,249,0.25);
}
.btn-cta-primary:hover {
    background: #3d8ef0;
    transform: translateY(-1px);
    box-shadow: 0 4px 40px rgba(79,156,249,0.35);
}

.btn-cta-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--text-sub);
    font-weight: 500;
    font-size: 15px;
    padding: 14px 24px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border2);
    transition: all 0.2s;
    white-space: nowrap;
}
.btn-cta-ghost:hover {
    color: var(--text);
    border-color: var(--accent);
}

/* ── Nav ───────────────────────────────────────────────────────────────────── */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
    background: rgba(8,8,15,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.nav-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    flex-shrink: 0;
}

.nav-logo .logo-icon { font-size: 20px; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-sub);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.btn-nav-ghost {
    color: var(--text-sub);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border2);
    transition: all 0.15s;
}
.btn-nav-ghost:hover { color: var(--text); border-color: var(--accent); }

.btn-nav-cta {
    background: var(--accent);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    transition: all 0.15s;
}
.btn-nav-cta:hover { background: #3d8ef0; }

.nav-hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 22px;
    cursor: pointer;
    padding: 4px;
}

/* ── Hero ──────────────────────────────────────────────────────────────────── */
.hero {
    text-align: center;
    padding: 100px 24px 80px;
    position: relative;
    overflow: hidden;
}

/* Radial glow behind hero */
.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse at center, rgba(79,156,249,0.12) 0%, transparent 70%);
    pointer-events: none;
}

/* Dot grid */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(79,156,249,0.1);
    border: 1px solid rgba(79,156,249,0.25);
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.hero-headline {
    font-size: clamp(42px, 7vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    max-width: 760px;
    margin: 0 auto 24px;
    position: relative;
    z-index: 1;
}

.hero-sub {
    font-size: 18px;
    color: var(--text-sub);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
}

.hero-proof {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 13px;
    position: relative;
    z-index: 1;
}
.hero-proof .dot { opacity: 0.4; }

/* ── Dashboard Preview ─────────────────────────────────────────────────────── */
.dashboard-preview {
    max-width: 900px;
    margin: 60px auto 0;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.preview-window {
    background: var(--surface);
    border: 1px solid var(--border2);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 40px 120px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.04);
}

.preview-topbar {
    background: var(--surface2);
    border-bottom: 1px solid var(--border);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.preview-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.preview-dot:nth-child(1) { background: #f87171; }
.preview-dot:nth-child(2) { background: #fbbf24; }
.preview-dot:nth-child(3) { background: #34d399; }

.preview-url {
    flex: 1;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 5px 14px;
    font-size: 12px;
    color: var(--text-muted);
    margin: 0 auto;
    max-width: 280px;
    text-align: center;
}

.preview-body {
    padding: 28px;
}

.preview-kpis {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}

.preview-kpi {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    border-top: 2px solid;
}
.preview-kpi:nth-child(1) { border-top-color: #4f9cf9; }
.preview-kpi:nth-child(2) { border-top-color: #a78bfa; }
.preview-kpi:nth-child(3) { border-top-color: #fb923c; }
.preview-kpi:nth-child(4) { border-top-color: #34d399; }

.preview-kpi-label { font-size: 11px; color: var(--text-muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.05em; }
.preview-kpi-value { font-size: 28px; font-weight: 700; color: var(--text); }
.preview-kpi-sub   { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

.preview-bars {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 80px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
}

.preview-bar {
    flex: 1;
    border-radius: 4px 4px 0 0;
    opacity: 0.8;
}

/* ── Problem ───────────────────────────────────────────────────────────────── */
.problem {
    padding: 80px 0;
}

.problem-card {
    background: linear-gradient(135deg, rgba(79,156,249,0.06) 0%, rgba(167,139,250,0.06) 100%);
    border: 1px solid rgba(79,156,249,0.15);
    border-radius: 20px;
    padding: 64px;
    text-align: center;
}

.problem-card h2 {
    font-size: clamp(24px, 4vw, 38px);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.problem-card h2 em {
    font-style: normal;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.problem-card p {
    font-size: 17px;
    color: var(--text-sub);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.75;
}

/* ── Section shared ────────────────────────────────────────────────────────── */
.section-tag {
    display: inline-block;
    background: rgba(79,156,249,0.1);
    border: 1px solid rgba(79,156,249,0.2);
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 5px 14px;
    border-radius: 100px;
    margin-bottom: 20px;
}

.section-heading {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 14px;
}

.section-sub {
    font-size: 17px;
    color: var(--text-sub);
    max-width: 520px;
    line-height: 1.7;
    margin-bottom: 56px;
}

/* ── Features ──────────────────────────────────────────────────────────────── */
.features {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border2);
    border-radius: var(--radius);
    padding: 32px;
    transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover {
    border-color: rgba(79,156,249,0.35);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 28px;
    margin-bottom: 18px;
    display: block;
}

.feature-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
}

.feature-card p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
}

/* ── How it works ──────────────────────────────────────────────────────────── */
.how-it-works {
    padding: 100px 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
}

.step {
    flex: 1;
    padding: 32px;
    text-align: center;
}

.step-number {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.step h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.step p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
}

.step-divider {
    padding-top: 48px;
    font-size: 24px;
    color: var(--border2);
    flex-shrink: 0;
}

/* ── Pricing ───────────────────────────────────────────────────────────────── */
.pricing {
    padding: 100px 0;
    text-align: center;
}

.pricing-card {
    display: inline-block;
    background: var(--surface);
    border: 1px solid var(--border2);
    border-radius: 20px;
    padding: 48px 56px;
    text-align: center;
    max-width: 440px;
    width: 100%;
    position: relative;
    box-shadow: 0 0 80px rgba(79,156,249,0.08);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 5px 18px;
    border-radius: 100px;
    white-space: nowrap;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.pricing-name {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-sub);
    margin-bottom: 16px;
}

.pricing-amount {
    font-size: 64px;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    margin-bottom: 8px;
}
.pricing-amount span {
    font-size: 22px;
    font-weight: 500;
    color: var(--text-sub);
}

.pricing-trial {
    font-size: 14px;
    color: var(--green);
    font-weight: 600;
    margin-bottom: 36px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 36px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pricing-features li {
    font-size: 14px;
    color: var(--text-sub);
}

.pricing-features li::first-letter { color: var(--green); }

.btn-pricing-cta {
    display: block;
    width: 100%;
    background: var(--accent);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    padding: 16px;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    margin-bottom: 14px;
    box-shadow: 0 4px 24px rgba(79,156,249,0.3);
}
.btn-pricing-cta:hover {
    background: #3d8ef0;
    transform: translateY(-1px);
    box-shadow: 0 8px 32px rgba(79,156,249,0.4);
}

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

/* ── Final CTA ─────────────────────────────────────────────────────────────── */
.final-cta {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(180deg, transparent 0%, rgba(79,156,249,0.05) 100%);
    border-top: 1px solid var(--border);
}

.final-cta h2 {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.final-cta p {
    font-size: 18px;
    color: var(--text-sub);
    margin-bottom: 40px;
}

/* ── Footer ────────────────────────────────────────────────────────────────── */
.footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 64px;
    margin-bottom: 56px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-logo .logo-icon { font-size: 20px; }

.footer-brand p {
    font-size: 14px;
    color: var(--text-sub);
    max-width: 300px;
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-col h4 {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    font-size: 14px;
    color: var(--text-sub);
    margin-bottom: 10px;
    transition: color 0.15s;
}
.footer-col a:hover { color: var(--text); }

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom a { color: var(--text-muted); transition: color 0.15s; }
.footer-bottom a:hover { color: var(--text); }

/* ── Contact page ──────────────────────────────────────────────────────────── */
.contact-hero {
    padding: 80px 24px 60px;
    text-align: center;
}
.contact-hero h1 {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}
.contact-hero p {
    font-size: 17px;
    color: var(--text-sub);
    max-width: 480px;
    margin: 0 auto;
    line-height: 1.7;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 48px;
    padding: 0 24px 100px;
    max-width: 960px;
    margin: 0 auto;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-info-icon {
    width: 44px;
    height: 44px;
    background: rgba(79,156,249,0.1);
    border: 1px solid rgba(79,156,249,0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-info-item h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-info-item p, .contact-info-item a {
    font-size: 14px;
    color: var(--text-sub);
    transition: color 0.15s;
}
.contact-info-item a:hover { color: var(--accent); }

.contact-form-card {
    background: var(--surface);
    border: 1px solid var(--border2);
    border-radius: 20px;
    padding: 40px;
}

.contact-form-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 28px;
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-sub);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    background: var(--surface2);
    border: 1px solid var(--border2);
    border-radius: var(--radius-sm);
    color: var(--text);
    padding: 12px 16px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.15s;
    outline: none;
}

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

.contact-form input:focus,
.contact-form select,
.contact-form textarea:focus { border-color: var(--accent); }

.contact-form select {
    cursor: pointer;
    appearance: none;
    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='%23475569' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

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

.btn-contact-submit {
    width: 100%;
    background: var(--accent);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    padding: 14px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 20px rgba(79,156,249,0.25);
}
.btn-contact-submit:hover {
    background: #3d8ef0;
    transform: translateY(-1px);
}

.contact-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
}
.contact-success .success-icon { font-size: 48px; margin-bottom: 16px; }
.contact-success h4 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.contact-success p  { color: var(--text-sub); font-size: 15px; }

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid   { grid-template-columns: 1fr; gap: 40px; }
    .footer-links  { grid-template-columns: repeat(3, 1fr); }
    .contact-grid  { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .nav-links, .nav-actions { display: none; }
    .nav-links.open, .nav-actions.open { display: flex; }
    .nav-hamburger { display: block; }

    .nav-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 12px 20px;
    }

    .nav-links.open {
        order: 3;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 12px 0 16px;
        border-top: 1px solid var(--border);
        margin-top: 8px;
    }

    .nav-actions.open {
        order: 4;
        width: 100%;
        flex-direction: column;
        gap: 10px;
        padding-bottom: 16px;
    }

    .btn-nav-ghost, .btn-nav-cta { width: 100%; text-align: center; padding: 12px; }

    .hero { padding: 60px 20px 50px; }
    .hero-headline { font-size: 40px; }
    .hero-actions { flex-direction: column; }
    .btn-cta-primary, .btn-cta-ghost { width: 100%; justify-content: center; }

    .problem-card { padding: 36px 24px; }

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

    .steps { flex-direction: column; align-items: center; }
    .step-divider { padding-top: 0; transform: rotate(90deg); }

    .pricing-card { padding: 40px 28px; }

    .footer-links { grid-template-columns: repeat(2, 1fr); }

    .preview-kpis { grid-template-columns: repeat(2, 1fr); }

    .contact-form-card { padding: 28px 20px; }
}